/* roulang page: index */
:root {
            --color-ink: #11161B;
            --color-deep-green: #0E3F3A;
            --color-sand: #F5F1E8;
            --color-gold: #C6A15B;
            --color-green: #1F9D63;
            --color-red-muted: #B5473F;
            --color-line-light: rgba(17, 22, 27, 0.12);
            --color-line-dark: rgba(245, 241, 232, 0.16);
            --color-text-body: rgba(17, 22, 27, 0.78);
            --color-text-muted: rgba(17, 22, 27, 0.55);
            --color-white: #FFFFFF;
            --color-bg-card: #FDFCFA;
            --color-bg-faq: #EDF5F2;
            --radius-card: 16px;
            --radius-btn: 4px;
            --radius-input: 8px;
            --radius-tag: 999px;
            --shadow-card: 0 8px 30px rgba(17, 22, 27, 0.06);
            --shadow-card-hover: 0 14px 40px rgba(17, 22, 27, 0.12);
            --shadow-nav: 0 2px 16px rgba(17, 22, 27, 0.08);
            --font-sans: 'HarmonyOS Sans SC', 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-number: 'Inter', 'DIN', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-med: 0.25s ease;
            --transition-slow: 0.6s ease;
            --container-max: 1320px;
            --section-pad-desktop: 96px;
            --section-pad-tablet: 64px;
            --section-pad-mobile: 48px;
            --inner-gap: 40px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text-body);
            background-color: var(--color-sand);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-deep-green);
            outline-offset: 3px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            display: block;
            object-fit: cover;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
            transition: all var(--transition-med);
        }

        input,
        textarea {
            font-family: inherit;
            font-size: 15px;
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-input);
            background: var(--color-bg-card);
            padding: 12px 16px;
            width: 100%;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        input::placeholder,
        textarea::placeholder {
            color: rgba(17, 22, 27, 0.42);
            font-size: 14px;
        }

        input:focus,
        textarea:focus {
            outline: none;
            border-color: var(--color-deep-green);
            box-shadow: 0 0 0 3px rgba(14, 63, 58, 0.1);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 48px;
            padding-right: 48px;
        }

        @media (max-width: 1024px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-sand);
            transition: box-shadow var(--transition-med);
        }

        .site-header.is-sticky {
            box-shadow: var(--shadow-nav);
        }

        .top-brand-row {
            background: var(--color-sand);
            border-bottom: 1px solid var(--color-line-light);
        }

        .top-brand-row .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            padding-top: 0;
            padding-bottom: 0;
        }

        .brand-logo {
            font-size: 26px;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--color-ink);
            display: flex;
            align-items: center;
            gap: 8px;
            line-height: 1.2;
        }

        .brand-logo .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-gold);
            flex-shrink: 0;
        }

        .brand-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--color-text-muted);
            letter-spacing: 0.02em;
        }

        .brand-meta .subscribe-link {
            color: var(--color-deep-green);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 6px 14px;
            border: 1px solid rgba(14, 63, 58, 0.25);
            border-radius: var(--radius-tag);
            transition: all var(--transition-fast);
        }

        .brand-meta .subscribe-link:hover {
            background: var(--color-deep-green);
            color: var(--color-white);
            border-color: var(--color-deep-green);
        }

        .channel-row {
            background: var(--color-sand);
            border-bottom: 1px solid var(--color-line-light);
        }

        .channel-row .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            gap: 20px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 30px;
            list-style: none;
            flex-shrink: 0;
        }

        .nav-links li a {
            position: relative;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-body);
            letter-spacing: 0.01em;
            padding: 8px 0;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast);
        }

        .nav-links li a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-deep-green);
            transition: width var(--transition-fast);
        }

        .nav-links li a:hover,
        .nav-links li a.active {
            color: var(--color-deep-green);
        }

        .nav-links li a:hover::after,
        .nav-links li a.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            max-width: 240px;
            width: 100%;
        }

        .nav-search input {
            height: 38px;
            padding: 8px 36px 8px 14px;
            font-size: 13px;
            border-radius: 8px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
        }

        .nav-search .search-icon-btn {
            position: absolute;
            right: 4px;
            top: 50%;
            transform: translateY(-50%);
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            color: var(--color-text-muted);
            transition: all var(--transition-fast);
            border: none;
            background: none;
        }

        .nav-search .search-icon-btn:hover {
            color: var(--color-deep-green);
        }

        .hot-tags-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .hot-tag {
            font-size: 12px;
            color: var(--color-ink);
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-tag);
            padding: 4px 12px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .hot-tag:hover {
            background: var(--color-deep-green);
            color: var(--color-white);
            border-color: var(--color-deep-green);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 6px;
            border: 1px solid var(--color-line-light);
            background: var(--color-bg-card);
            transition: all var(--transition-fast);
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-ink);
            border-radius: 2px;
            transition: all var(--transition-med);
        }

        .hamburger:hover {
            border-color: var(--color-deep-green);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 280px;
            height: 100vh;
            background: var(--color-sand);
            box-shadow: 0 0 40px rgba(17, 22, 27, 0.18);
            z-index: 2001;
            padding: 20px;
            overflow-y: auto;
            transform: translateX(-100%);
            transition: transform var(--transition-med);
        }

        .mobile-drawer.is-open {
            transform: translateX(0);
        }

        .mobile-drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(17, 22, 27, 0.5);
            z-index: 2000;
            opacity: 0;
            transition: opacity var(--transition-med);
        }

        .mobile-drawer-overlay.is-visible {
            opacity: 1;
        }

        .drawer-close {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            border: 1px solid var(--color-line-light);
            background: var(--color-bg-card);
            font-size: 20px;
            color: var(--color-ink);
            transition: all var(--transition-fast);
            margin-left: auto;
            margin-bottom: 16px;
        }

        .drawer-close:hover {
            background: var(--color-deep-green);
            color: var(--color-white);
            border-color: var(--color-deep-green);
        }

        .drawer-nav {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .drawer-nav li {
            border-bottom: 1px solid var(--color-line-light);
        }

        .drawer-nav li a {
            display: flex;
            align-items: center;
            height: 44px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-body);
            transition: color var(--transition-fast);
        }

        .drawer-nav li a:hover,
        .drawer-nav li a.active {
            color: var(--color-deep-green);
        }

        .drawer-hot-tags {
            margin-top: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        /* ========== HERO ========== */
        .hero-download {
            position: relative;
            min-height: 72vh;
            display: flex;
            align-items: center;
            padding: 72px 0;
            background: var(--color-ink);
            overflow: hidden;
        }

        .hero-download .hero-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.35;
            z-index: 1;
        }

        .hero-download::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(17, 22, 27, 0.55) 0%, rgba(17, 22, 27, 0.75) 100%);
            z-index: 1;
        }

        .hero-download .container {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 880px;
        }

        .hero-download .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--color-gold);
            background: rgba(198, 161, 91, 0.15);
            border: 1px solid rgba(198, 161, 91, 0.35);
            border-radius: var(--radius-tag);
            padding: 6px 18px;
            margin-bottom: 24px;
            letter-spacing: 0.04em;
            animation: fadeUp 0.6s ease;
        }

        .hero-download h1 {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: var(--color-white);
            margin-bottom: 20px;
            animation: fadeUp 0.6s ease 0.1s both;
        }

        .hero-download .hero-subtitle {
            font-size: 17px;
            line-height: 1.9;
            color: rgba(245, 241, 232, 0.82);
            max-width: 620px;
            margin: 0 auto 32px;
            animation: fadeUp 0.6s ease 0.2s both;
        }

        .hero-search-wrap {
            max-width: 560px;
            margin: 0 auto 20px;
            animation: fadeUp 0.6s ease 0.3s both;
        }

        .hero-search {
            display: flex;
            gap: 10px;
            background: rgba(245, 241, 232, 0.08);
            border: 1px solid rgba(245, 241, 232, 0.2);
            border-radius: 12px;
            padding: 6px;
            backdrop-filter: blur(8px);
        }

        .hero-search input {
            flex: 1;
            background: transparent;
            border: none;
            color: var(--color-white);
            font-size: 15px;
            padding: 12px 16px;
            outline: none;
        }

        .hero-search input::placeholder {
            color: rgba(245, 241, 232, 0.5);
        }

        .hero-search button {
            background: var(--color-deep-green);
            color: var(--color-white);
            font-weight: 600;
            font-size: 14px;
            padding: 10px 24px;
            border-radius: 8px;
            white-space: nowrap;
            transition: all var(--transition-med);
        }

        .hero-search button:hover {
            background: var(--color-gold);
            color: var(--color-ink);
        }

        .hero-quick-links {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
            animation: fadeUp 0.6s ease 0.4s both;
        }

        .hero-quick-link {
            font-size: 13px;
            color: rgba(245, 241, 232, 0.9);
            background: rgba(245, 241, 232, 0.1);
            border: 1px solid rgba(245, 241, 232, 0.2);
            border-radius: var(--radius-tag);
            padding: 8px 18px;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .hero-quick-link:hover {
            background: var(--color-gold);
            color: var(--color-ink);
            border-color: var(--color-gold);
        }

        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ========== SECTION COMMON ========== */
        section {
            padding: var(--section-pad-desktop) 0;
        }

        .section {
            background: var(--color-sand);
        }

        .section-alt {
            background: var(--color-bg-card);
        }

        .section-dark {
            background: var(--color-ink);
            color: rgba(245, 241, 232, 0.82);
        }

        .section-dark .section-title {
            color: var(--color-white);
        }

        .section-dark .section-desc {
            color: rgba(245, 241, 232, 0.7);
        }

        .section-dark .card,
        .section-dark .stat-block,
        .section-dark .case-card {
            background: rgba(245, 241, 232, 0.05);
            border-color: var(--color-line-dark);
        }

        .section-header {
            margin-bottom: 48px;
            max-width: 680px;
        }

        .section-header.centered {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-kicker {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--color-gold);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: -0.015em;
            color: var(--color-ink);
            line-height: 1.35;
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 16px;
            line-height: 1.9;
            color: var(--color-text-body);
        }

        /* ========== PAIN POINTS ========== */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .pain-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-med);
        }

        .pain-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .pain-card .pain-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(14, 63, 58, 0.08);
            color: var(--color-deep-green);
            font-size: 20px;
            margin-bottom: 16px;
        }

        .pain-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-ink);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .pain-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.8;
        }

        /* ========== SOLUTION ========== */
        .solution-wrap {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 48px;
            align-items: center;
        }

        .solution-visual {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            min-height: 320px;
        }

        .solution-visual img {
            width: 100%;
            height: 100%;
            min-height: 320px;
            object-fit: cover;
        }

        .solution-visual .solution-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(14, 63, 58, 0.75) 0%, rgba(17, 22, 27, 0.45) 100%);
            display: flex;
            align-items: flex-end;
            padding: 28px;
        }

        .solution-visual .solution-overlay-text {
            color: var(--color-white);
            font-size: 15px;
            font-weight: 500;
            line-height: 1.7;
        }

        .solution-content .section-header {
            margin-bottom: 24px;
        }

        .solution-features {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 20px;
        }

        .solution-feature {
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }

        .solution-feature .feature-check {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: rgba(31, 157, 99, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-green);
            font-size: 13px;
            flex-shrink: 0;
            margin-top: 4px;
        }

        .solution-feature span {
            font-size: 15px;
            color: var(--color-text-body);
            line-height: 1.7;
        }

        /* ========== STEPS ========== */
        .steps-track {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .steps-track::before {
            content: '';
            position: absolute;
            top: 28px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: rgba(17, 22, 27, 0.08);
            z-index: 0;
        }

        .step-item {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 0 8px;
        }

        .step-dot {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-deep-green);
            color: var(--color-white);
            font-size: 20px;
            font-weight: 700;
            font-family: var(--font-number);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 4px 16px rgba(14, 63, 58, 0.3);
            transition: all var(--transition-med);
        }

        .step-item:hover .step-dot {
            background: var(--color-gold);
            color: var(--color-ink);
            transform: scale(1.08);
        }

        .step-item h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-ink);
            margin-bottom: 6px;
        }

        .step-item p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* ========== STATS ========== */
        .stats-band {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            background: var(--color-ink);
            border-radius: var(--radius-card);
            padding: 40px 32px;
            box-shadow: var(--shadow-card);
        }

        .stat-block {
            text-align: center;
            padding: 16px;
            border-right: 1px solid rgba(245, 241, 232, 0.12);
            transition: all var(--transition-med);
        }

        .stat-block:last-child {
            border-right: none;
        }

        .stat-block:hover {
            background: rgba(245, 241, 232, 0.05);
            border-radius: 12px;
        }

        .stat-number {
            font-family: var(--font-number);
            font-size: 40px;
            font-weight: 700;
            color: var(--color-gold);
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(245, 241, 232, 0.75);
            letter-spacing: 0.02em;
        }

        .stat-note {
            font-size: 11px;
            color: rgba(245, 241, 232, 0.45);
            margin-top: 4px;
            letter-spacing: 0.02em;
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-wrap {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 48px;
            align-items: center;
        }

        .brand-intro-text {
            font-size: 16px;
            line-height: 2.0;
            color: var(--color-text-body);
        }

        .brand-intro-text p+p {
            margin-top: 16px;
        }

        .brand-intro-visual {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .brand-intro-visual img {
            width: 100%;
            height: 300px;
            object-fit: cover;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-med);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .testimonial-quote {
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-text-body);
            flex: 1;
        }

        .testimonial-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            padding-top: 12px;
            border-top: 1px solid var(--color-line-light);
        }

        .testimonial-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(14, 63, 58, 0.12);
            color: var(--color-deep-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
            flex-shrink: 0;
        }

        .testimonial-author {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-ink);
        }

        .testimonial-source {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        /* ========== AUDIENCES ========== */
        .audience-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .audience-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-card);
            padding: 20px 16px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-med);
        }

        .audience-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(14, 63, 58, 0.3);
        }

        .audience-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(198, 161, 91, 0.12);
            color: var(--color-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin: 0 auto 12px;
        }

        .audience-card h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-ink);
            margin-bottom: 6px;
        }

        .audience-card p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* ========== NEWS ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            display: grid;
            grid-template-columns: 70px 1fr auto;
            gap: 20px;
            align-items: center;
            padding: 20px 0;
            border-bottom: 1px solid var(--color-line-light);
            transition: all var(--transition-fast);
        }

        .news-item:last-child {
            border-bottom: none;
        }

        .news-item:hover {
            padding-left: 12px;
        }

        .news-date {
            font-family: var(--font-number);
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-muted);
            letter-spacing: 0.02em;
            text-align: center;
            background: rgba(17, 22, 27, 0.04);
            border-radius: 8px;
            padding: 8px 4px;
        }

        .news-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-ink);
            margin-bottom: 6px;
            letter-spacing: -0.01em;
            line-height: 1.5;
        }

        .news-body p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.75;
        }

        .news-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-deep-green);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
            padding: 8px 16px;
            border: 1px solid rgba(14, 63, 58, 0.25);
            border-radius: var(--radius-tag);
            transition: all var(--transition-fast);
        }

        .news-more:hover {
            background: var(--color-deep-green);
            color: var(--color-white);
            border-color: var(--color-deep-green);
        }

        /* ========== DATA INDICATORS ========== */
        .data-indicator-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .data-indicator-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-med);
        }

        .data-indicator-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .data-indicator-card .indicator-label {
            font-size: 13px;
            color: var(--color-text-muted);
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }

        .data-bar-track {
            height: 8px;
            background: rgba(17, 22, 27, 0.06);
            border-radius: 999px;
            overflow: hidden;
            margin-bottom: 8px;
        }

        .data-bar-fill {
            height: 100%;
            border-radius: 999px;
            background: var(--color-deep-green);
            transition: width 1.2s ease;
        }

        .data-bar-fill.gold {
            background: var(--color-gold);
        }

        .data-bar-fill.green {
            background: var(--color-green);
        }

        .data-bar-fill.red {
            background: var(--color-red-muted);
        }

        .data-bar-value {
            font-family: var(--font-number);
            font-size: 15px;
            font-weight: 600;
            color: var(--color-ink);
        }

        /* ========== TOPIC ENTRY ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .topic-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-med);
            aspect-ratio: 3 / 4;
            display: flex;
            align-items: flex-end;
            cursor: pointer;
        }

        .topic-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .topic-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-med);
        }

        .topic-card:hover img {
            transform: scale(1.05);
        }

        .topic-card .topic-card-body {
            position: relative;
            z-index: 1;
            padding: 20px;
            background: linear-gradient(180deg, transparent 0%, rgba(17, 22, 27, 0.85) 100%);
            width: 100%;
            border-radius: 0 0 var(--radius-card) var(--radius-card);
        }

        .topic-card .topic-card-body h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-white);
            margin-bottom: 4px;
        }

        .topic-card .topic-card-body p {
            font-size: 12px;
            color: rgba(245, 241, 232, 0.7);
        }

        /* ========== SCENES ========== */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .scene-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: all var(--transition-med);
        }

        .scene-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .scene-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(14, 63, 58, 0.08);
            color: var(--color-deep-green);
            font-size: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .scene-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-ink);
        }

        .scene-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.8;
        }

        .scene-card a {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-deep-green);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 4px;
        }

        .scene-card a:hover {
            color: var(--color-gold);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
            border-radius: 12px;
            overflow: hidden;
            transition: all var(--transition-med);
        }

        .faq-item.is-open {
            background: var(--color-bg-faq);
            border-color: rgba(14, 63, 58, 0.2);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-ink);
            cursor: pointer;
            width: 100%;
            text-align: left;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-deep-green);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(17, 22, 27, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-text-muted);
            transition: all var(--transition-med);
            flex-shrink: 0;
            line-height: 1;
        }

        .faq-item.is-open .faq-icon {
            background: var(--color-deep-green);
            color: var(--color-white);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.25s ease;
        }

        .faq-item.is-open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 14px;
            line-height: 1.85;
            color: var(--color-text-body);
        }

        /* ========== TRENDING ========== */
        .trending-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            max-width: 720px;
            margin: 0 auto;
        }

        .trend-tag {
            font-size: 14px;
            color: var(--color-ink);
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-tag);
            padding: 10px 22px;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .trend-tag:hover {
            background: var(--color-deep-green);
            color: var(--color-white);
            border-color: var(--color-deep-green);
            transform: translateY(-2px);
        }

        /* ========== SAFETY NOTE ========== */
        .safety-note {
            background: rgba(181, 71, 63, 0.06);
            border: 1px solid rgba(181, 71, 63, 0.18);
            border-radius: 12px;
            padding: 24px 28px;
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
        }

        .safety-note p {
            font-size: 14px;
            color: var(--color-red-muted);
            line-height: 1.7;
            letter-spacing: 0.02em;
        }

        /* ========== CTA ========== */
        .cta-band {
            background: var(--color-deep-green);
            border-radius: var(--radius-card);
            padding: 56px 40px;
            text-align: center;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .cta-band::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(198, 161, 91, 0.08);
            pointer-events: none;
        }

        .cta-band h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: -0.015em;
            margin-bottom: 12px;
            position: relative;
        }

        .cta-band p {
            font-size: 15px;
            color: rgba(245, 241, 232, 0.75);
            max-width: 500px;
            margin: 0 auto 28px;
            position: relative;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
        }

        .btn-primary {
            background: var(--color-gold);
            color: var(--color-ink);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-med);
            letter-spacing: 0.01em;
        }

        .btn-primary:hover {
            background: var(--color-ink);
            color: var(--color-white);
            transform: translateY(-2px);
        }

        .btn-primary .arrow {
            transition: transform var(--transition-fast);
        }
        .btn-primary:hover .arrow {
            transform: translateX(4px);
        }

        .btn-secondary {
            background: transparent;
            color: var(--color-white);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(245, 241, 232, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-med);
        }

        .btn-secondary:hover {
            background: rgba(245, 241, 232, 0.12);
            border-color: rgba(245, 241, 232, 0.6);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-ink);
            color: rgba(245, 241, 232, 0.72);
            padding: 56px 0 32px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--color-line-dark);
        }

        .footer-brand h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: -0.01em;
            margin-bottom: 10px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(245, 241, 232, 0.55);
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-white);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 13px;
            color: rgba(245, 241, 232, 0.62);
            transition: color var(--transition-fast);
        }

        .footer-col ul a:hover {
            color: var(--color-gold);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 24px;
            font-size: 12px;
            color: rgba(245, 241, 232, 0.4);
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .footer-bottom-links a {
            color: rgba(245, 241, 232, 0.6);
            font-size: 12px;
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: var(--color-gold);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            section {
                padding: var(--section-pad-tablet) 0;
            }

            .hero-download h1 {
                font-size: 34px;
            }

            .pain-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }

            .solution-wrap {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .steps-track {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px 16px;
            }
            .steps-track::before {
                display: none;
            }

            .stats-band {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-block:nth-child(2) {
                border-right: none;
            }

            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .audience-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
            }

            .topic-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 14px;
            }

            .brand-intro-wrap {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .brand-intro-visual img {
                height: 240px;
            }

            .data-indicator-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: span 3;
            }
        }

        @media (max-width: 768px) {
            section {
                padding: var(--section-pad-mobile) 0;
            }

            .channel-row .container {
                justify-content: space-between;
                gap: 10px;
                height: 56px;
            }
            .nav-links {
                display: none;
            }
            .nav-actions {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-drawer {
                display: block;
            }
            .mobile-drawer-overlay.is-visible {
                display: block;
            }

            .top-brand-row .container {
                height: 60px;
            }
            .brand-logo {
                font-size: 22px;
            }
            .brand-meta {
                gap: 8px;
                font-size: 12px;
            }
            .brand-meta .subscribe-link {
                padding: 4px 10px;
                font-size: 12px;
            }

            .hero-download {
                min-height: 60vh;
                padding: 56px 0;
            }
            .hero-download h1 {
                font-size: 28px;
            }
            .hero-download .hero-subtitle {
                font-size: 15px;
                max-width: 100%;
            }
            .hero-search {
                flex-direction: column;
                gap: 8px;
                padding: 10px;
            }
            .hero-search button {
                width: 100%;
            }

            .section-title {
                font-size: 26px;
            }

            .pain-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .steps-track {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .stats-band {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 24px 16px;
            }
            .stat-block {
                border-right: none;
                border-bottom: 1px solid rgba(245, 241, 232, 0.12);
                padding: 10px;
            }
            .stat-block:last-child {
                border-bottom: none;
            }
            .stat-number {
                font-size: 30px;
            }

            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .audience-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .news-item {
                grid-template-columns: 1fr;
                gap: 10px;
                padding: 16px 0;
            }
            .news-date {
                font-size: 13px;
                text-align: left;
                padding: 4px 10px;
                display: inline-block;
                width: auto;
            }
            .news-more {
                align-self: flex-start;
            }

            .data-indicator-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .scene-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .cta-band {
                padding: 40px 20px;
            }
            .cta-band h2 {
                font-size: 24px;
            }
            .cta-actions {
                flex-direction: column;
                gap: 10px;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: span 2;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .hero-download h1 {
                font-size: 24px;
            }
            .hero-download .hero-subtitle {
                font-size: 14px;
                line-height: 1.7;
            }
            .section-title {
                font-size: 22px;
            }
            .section-desc {
                font-size: 14px;
            }
            .audience-grid {
                grid-template-columns: 1fr;
            }
            .topic-grid {
                grid-template-columns: 1fr;
                aspect-ratio: auto;
            }
            .topic-card {
                aspect-ratio: 16 / 9;
                min-height: 140px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-brand {
                grid-column: span 1;
            }
            .brand-logo {
                font-size: 20px;
            }
            .stat-number {
                font-size: 26px;
            }
        }

/* roulang page: category1 */
:root {
            --color-ink: #11161B;
            --color-deep-green: #0E3F3A;
            --color-sand: #F5F1E8;
            --color-gold: #C6A15B;
            --color-green: #1F9D63;
            --color-red-muted: #B5473F;
            --color-line-light: rgba(17, 22, 27, 0.12);
            --color-line-dark: rgba(245, 241, 232, 0.16);
            --color-text-body: rgba(17, 22, 27, 0.78);
            --color-text-muted: rgba(17, 22, 27, 0.55);
            --color-white: #FFFFFF;
            --color-bg-card: #FDFCFA;
            --color-bg-faq: #EDF5F2;
            --radius-card: 16px;
            --radius-btn: 4px;
            --radius-input: 8px;
            --radius-tag: 999px;
            --shadow-card: 0 8px 30px rgba(17, 22, 27, 0.06);
            --shadow-card-hover: 0 14px 40px rgba(17, 22, 27, 0.12);
            --shadow-nav: 0 2px 16px rgba(17, 22, 27, 0.08);
            --font-sans: 'HarmonyOS Sans SC', 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-number: 'Inter', 'DIN', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-med: 0.25s ease;
            --transition-slow: 0.6s ease;
            --container-max: 1320px;
            --section-pad-desktop: 96px;
            --section-pad-tablet: 64px;
            --section-pad-mobile: 48px;
            --inner-gap: 40px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text-body);
            background-color: var(--color-sand);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-deep-green);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            display: block;
            object-fit: cover;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
            transition: all var(--transition-med);
        }
        input,
        textarea {
            font-family: inherit;
            font-size: 15px;
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-input);
            background: var(--color-bg-card);
            padding: 12px 16px;
            width: 100%;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        input::placeholder,
        textarea::placeholder {
            color: rgba(17, 22, 27, 0.42);
            font-size: 14px;
        }
        input:focus,
        textarea:focus {
            outline: none;
            border-color: var(--color-deep-green);
            box-shadow: 0 0 0 3px rgba(14, 63, 58, 0.1);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 48px;
            padding-right: 48px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-sand);
            transition: box-shadow var(--transition-med);
        }
        .site-header.is-sticky {
            box-shadow: var(--shadow-nav);
        }
        .top-brand-row {
            background: var(--color-sand);
            border-bottom: 1px solid var(--color-line-light);
        }
        .top-brand-row .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            padding-top: 0;
            padding-bottom: 0;
        }
        .brand-logo {
            font-size: 26px;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--color-ink);
            display: flex;
            align-items: center;
            gap: 8px;
            line-height: 1.2;
        }
        .brand-logo .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-gold);
            flex-shrink: 0;
        }
        .brand-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--color-text-muted);
            letter-spacing: 0.02em;
        }
        .brand-meta .subscribe-link {
            color: var(--color-deep-green);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 6px 14px;
            border: 1px solid rgba(14, 63, 58, 0.25);
            border-radius: var(--radius-tag);
            transition: all var(--transition-fast);
        }
        .brand-meta .subscribe-link:hover {
            background: var(--color-deep-green);
            color: var(--color-white);
        }
        .channel-row {
            background: var(--color-sand);
            border-bottom: 1px solid var(--color-line-light);
        }
        .channel-row .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            padding-top: 0;
            padding-bottom: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
            margin: 0;
            padding: 0;
            height: 100%;
        }
        .nav-links li {
            height: 100%;
            display: flex;
            align-items: center;
        }
        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-ink);
            letter-spacing: 0.02em;
            position: relative;
            height: 100%;
            display: flex;
            align-items: center;
            transition: color var(--transition-fast);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-deep-green);
            transition: width var(--transition-med);
        }
        .nav-links a:hover {
            color: var(--color-deep-green);
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .nav-links a.active {
            color: var(--color-deep-green);
            font-weight: 700;
        }
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            max-width: 220px;
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-input);
            background: var(--color-bg-card);
            padding: 0 10px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .nav-search:focus-within {
            border-color: var(--color-deep-green);
            box-shadow: 0 0 0 3px rgba(14, 63, 58, 0.08);
        }
        .nav-search input {
            border: none;
            background: transparent;
            padding: 10px 8px;
            width: 100%;
            min-width: 140px;
            box-shadow: none;
        }
        .nav-search input:focus {
            outline: none;
            box-shadow: none;
            border: none;
        }
        .search-icon-btn {
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 4px;
            flex-shrink: 0;
        }
        .search-icon-btn:hover {
            color: var(--color-deep-green);
        }
        .hot-tags-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hot-tags-nav .hot-tag {
            font-size: 12px;
            color: var(--color-ink);
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
            padding: 5px 12px;
            border-radius: var(--radius-tag);
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .hot-tags-nav .hot-tag:hover {
            background: var(--color-deep-green);
            color: var(--color-white);
            border-color: var(--color-deep-green);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 0;
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-ink);
            border-radius: 2px;
            transition: all var(--transition-med);
        }
        .hamburger.is-open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.is-open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.is-open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 280px;
            height: 100vh;
            background: var(--color-sand);
            z-index: 999;
            padding: 80px 24px 32px;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
            box-shadow: 4px 0 24px rgba(17, 22, 27, 0.12);
            overflow-y: auto;
            border-right: 1px solid var(--color-line-light);
        }
        .mobile-drawer.is-open {
            transform: translateX(0);
        }
        .mobile-drawer ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-drawer ul a {
            display: block;
            padding: 12px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-ink);
            border-radius: 8px;
            transition: all var(--transition-fast);
        }
        .mobile-drawer ul a:hover,
        .mobile-drawer ul a.active {
            background: var(--color-bg-faq);
            color: var(--color-deep-green);
            font-weight: 700;
        }
        .mobile-drawer .drawer-hot-tags {
            margin-top: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .mobile-drawer .drawer-hot-tags a {
            display: inline-block;
            font-size: 12px;
            padding: 6px 14px;
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-tag);
            background: var(--color-bg-card);
        }
        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(17, 22, 27, 0.4);
            z-index: 998;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .drawer-overlay.is-open {
            display: block;
            opacity: 1;
        }

        /* ========== BREADCRUMB / PAGE HEADER ========== */
        .breadcrumb-section {
            padding: 32px 0 0;
            background: var(--color-sand);
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
            letter-spacing: 0.02em;
        }
        .breadcrumb-nav a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb-nav a:hover {
            color: var(--color-deep-green);
        }
        .breadcrumb-nav .separator {
            color: rgba(17, 22, 27, 0.3);
        }
        .breadcrumb-nav .current {
            color: var(--color-deep-green);
            font-weight: 600;
        }
        .page-header-section {
            padding: 40px 0 56px;
            background: var(--color-sand);
        }
        .page-header-section .container {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            align-items: start;
        }
        .page-header-left h1 {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--color-ink);
            letter-spacing: -0.015em;
            margin: 0 0 16px;
        }
        .page-header-left .h1-accent {
            color: var(--color-deep-green);
        }
        .page-header-left .header-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-deep-green);
            background: var(--color-bg-faq);
            padding: 5px 14px;
            border-radius: var(--radius-tag);
            margin-bottom: 16px;
            letter-spacing: 0.06em;
        }
        .page-header-right p {
            font-size: 16px;
            line-height: 2;
            color: var(--color-text-body);
            margin: 0;
            padding-top: 8px;
        }

        /* ========== MATCH LIST SECTION ========== */
        .match-list-section {
            padding: 48px 0 80px;
            background: var(--color-bg-card);
            border-top: 1px solid var(--color-line-light);
            border-bottom: 1px solid var(--color-line-light);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--color-deep-green);
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-label::before {
            content: '';
            display: inline-block;
            width: 24px;
            height: 2px;
            background: var(--color-gold);
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-ink);
            letter-spacing: -0.01em;
            margin: 0 0 8px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-muted);
            margin: 0 0 40px;
            max-width: 620px;
        }
        .match-timeline {
            position: relative;
            padding-left: 32px;
        }
        .match-timeline::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 8px;
            width: 2px;
            background: var(--color-line-light);
        }
        .match-card {
            position: relative;
            margin-bottom: 28px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-med);
            display: grid;
            grid-template-columns: 110px 1fr auto;
            gap: 24px;
            align-items: center;
        }
        .match-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .match-card::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 32px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-deep-green);
            border: 2px solid var(--color-bg-card);
            box-shadow: 0 0 0 2px var(--color-deep-green);
        }
        .match-date-block {
            text-align: center;
            flex-shrink: 0;
        }
        .match-date-block .date-num {
            font-family: var(--font-number);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-ink);
            line-height: 1;
            display: block;
        }
        .match-date-block .date-month {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-text-muted);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-top: 4px;
            display: block;
        }
        .match-info h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-ink);
            margin: 0 0 8px;
            letter-spacing: -0.01em;
        }
        .match-info p {
            font-size: 14px;
            color: var(--color-text-body);
            line-height: 1.8;
            margin: 0 0 12px;
        }
        .match-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--color-text-muted);
        }
        .match-meta .meta-badge {
            display: inline-block;
            padding: 3px 10px;
            background: var(--color-bg-faq);
            color: var(--color-deep-green);
            border-radius: var(--radius-tag);
            font-weight: 600;
            font-size: 11px;
        }
        .match-read-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-deep-green);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
        }
        .match-read-link:hover {
            color: var(--color-ink);
            gap: 8px;
        }
        .match-read-link svg {
            width: 14px;
            height: 14px;
        }

        /* ========== DATA STRIP SECTION ========== */
        .data-strip-section {
            padding: 80px 0;
            background: var(--color-sand);
        }
        .data-strip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .data-strip-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition-med);
        }
        .data-strip-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .data-strip-number {
            font-family: var(--font-number);
            font-size: 40px;
            font-weight: 700;
            color: var(--color-deep-green);
            line-height: 1.1;
            letter-spacing: -0.02em;
            display: block;
        }
        .data-strip-label {
            font-size: 14px;
            color: var(--color-text-muted);
            margin-top: 8px;
            letter-spacing: 0.02em;
        }

        /* ========== EDITOR PICKS SECTION ========== */
        .editor-picks-section {
            padding: 80px 0;
            background: var(--color-bg-card);
            border-top: 1px solid var(--color-line-light);
            border-bottom: 1px solid var(--color-line-light);
        }
        .editor-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .editor-card {
            background: var(--color-sand);
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-med);
        }
        .editor-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .editor-card-img {
            height: 200px;
            overflow: hidden;
        }
        .editor-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .editor-card:hover .editor-card-img img {
            transform: scale(1.04);
        }
        .editor-card-content {
            padding: 20px 24px 24px;
        }
        .editor-card-content .editor-tag {
            font-size: 11px;
            font-weight: 600;
            color: var(--color-deep-green);
            background: var(--color-bg-faq);
            padding: 3px 10px;
            border-radius: var(--radius-tag);
            display: inline-block;
            margin-bottom: 10px;
        }
        .editor-card-content h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-ink);
            margin: 0 0 10px;
            line-height: 1.5;
            letter-spacing: -0.01em;
        }
        .editor-card-content p {
            font-size: 14px;
            color: var(--color-text-body);
            line-height: 1.8;
            margin: 0 0 14px;
        }
        .editor-card-content .editor-meta {
            font-size: 12px;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* ========== SUBSCRIBE CTA ========== */
        .subscribe-cta-section {
            padding: 80px 0;
            background: var(--color-deep-green);
            position: relative;
            overflow: hidden;
        }
        .subscribe-cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            border: 1px solid rgba(245, 241, 232, 0.1);
            pointer-events: none;
        }
        .subscribe-cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -5%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            border: 1px solid rgba(245, 241, 232, 0.08);
            pointer-events: none;
        }
        .subscribe-cta-content {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .subscribe-cta-left h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: -0.01em;
            margin: 0 0 12px;
        }
        .subscribe-cta-left p {
            font-size: 16px;
            color: rgba(245, 241, 232, 0.8);
            line-height: 1.9;
            margin: 0;
        }
        .subscribe-form {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .subscribe-form input {
            background: rgba(245, 241, 232, 0.08);
            border: 1px solid rgba(245, 241, 232, 0.2);
            border-radius: var(--radius-input);
            color: var(--color-white);
            padding: 14px 18px;
            flex: 1;
            min-width: 0;
        }
        .subscribe-form input::placeholder {
            color: rgba(245, 241, 232, 0.5);
        }
        .subscribe-form input:focus {
            border-color: var(--color-gold);
            box-shadow: 0 0 0 3px rgba(198, 161, 91, 0.2);
        }
        .sub-btn {
            background: var(--color-gold);
            color: var(--color-ink);
            font-weight: 700;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            white-space: nowrap;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
        }
        .sub-btn:hover {
            background: var(--color-white);
            color: var(--color-deep-green);
        }
        .sub-form-note {
            font-size: 12px;
            color: rgba(245, 241, 232, 0.55);
            margin-top: 8px;
            letter-spacing: 0.02em;
        }

        /* ========== HOT TOPICS / TAGS ========== */
        .hot-topics-section {
            padding: 64px 0;
            background: var(--color-sand);
        }
        .hot-topics-section .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: flex-start;
            margin-top: 8px;
        }
        .tags-cloud .topic-tag {
            font-size: 14px;
            color: var(--color-ink);
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
            padding: 10px 20px;
            border-radius: var(--radius-tag);
            font-weight: 500;
            letter-spacing: 0.01em;
            transition: all var(--transition-fast);
        }
        .tags-cloud .topic-tag:hover {
            background: var(--color-deep-green);
            color: var(--color-white);
            border-color: var(--color-deep-green);
        }
        .tags-cloud .topic-tag.is-hot {
            background: var(--color-bg-faq);
            color: var(--color-deep-green);
            border-color: rgba(14, 63, 58, 0.25);
        }

        /* ========== DISCLAIMER ========== */
        .disclaimer-section {
            padding: 48px 0 72px;
            background: var(--color-sand);
        }
        .disclaimer-box {
            background: rgba(181, 71, 63, 0.05);
            border-left: 3px solid var(--color-red-muted);
            border-radius: 8px;
            padding: 20px 24px;
        }
        .disclaimer-box p {
            font-size: 14px;
            color: var(--color-text-body);
            line-height: 1.9;
            margin: 0;
        }
        .disclaimer-box p strong {
            color: var(--color-red-muted);
            font-weight: 600;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-ink);
            color: rgba(245, 241, 232, 0.8);
            padding: 64px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 12px;
            letter-spacing: -0.01em;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(245, 241, 232, 0.65);
            margin: 0;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 13px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.08em;
            margin: 0 0 16px;
            text-transform: uppercase;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: rgba(245, 241, 232, 0.65);
            transition: color var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: var(--color-gold);
        }
        .footer-bottom {
            border-top: 1px solid var(--color-line-dark);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
            color: rgba(245, 241, 232, 0.5);
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-bottom-links a {
            color: rgba(245, 241, 232, 0.65);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color var(--transition-fast);
        }
        .footer-bottom-links a:hover {
            color: var(--color-gold);
        }
        .footer-bottom-links span {
            color: rgba(245, 241, 232, 0.3);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }
            .hot-tags-nav {
                display: none;
            }
            .nav-actions {
                gap: 8px;
            }
            .page-header-section .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .page-header-left h1 {
                font-size: 32px;
            }
            .data-strip-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .editor-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .subscribe-cta-content {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .channel-row .container {
                height: 56px;
            }
            .nav-links {
                display: none;
            }
            .nav-actions {
                margin-left: auto;
            }
            .nav-search {
                max-width: 160px;
            }
            .nav-search input {
                min-width: 90px;
                font-size: 13px;
            }
            .hamburger {
                display: flex;
            }
            .mobile-drawer {
                display: block;
            }
            .match-card {
                grid-template-columns: 80px 1fr;
                gap: 16px;
                padding: 18px 20px;
            }
            .match-card .match-read-link {
                grid-column: 2;
                justify-self: start;
            }
            .match-date-block .date-num {
                font-size: 26px;
            }
            .editor-grid {
                grid-template-columns: 1fr;
            }
            .data-strip-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .data-strip-number {
                font-size: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .page-header-left h1 {
                font-size: 28px;
            }
            .section-title {
                font-size: 24px;
            }
            .subscribe-form {
                flex-direction: column;
                align-items: stretch;
            }
            .sub-btn {
                width: 100%;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .match-card {
                grid-template-columns: 1fr;
                gap: 12px;
                text-align: left;
            }
            .match-date-block {
                display: flex;
                align-items: center;
                gap: 8px;
                justify-content: flex-start;
            }
            .match-date-block .date-num {
                font-size: 24px;
            }
            .match-date-block .date-month {
                margin-top: 0;
            }
            .match-card::before {
                left: -24px;
                top: 20px;
            }
            .match-card .match-read-link {
                grid-column: auto;
            }
            .data-strip-grid {
                grid-template-columns: 1fr;
            }
            .page-header-left h1 {
                font-size: 24px;
            }
            .breadcrumb-nav {
                font-size: 11px;
                flex-wrap: wrap;
            }
            .hot-topics-section .tags-cloud {
                gap: 8px;
            }
            .top-brand-row .container {
                height: 60px;
            }
            .brand-logo {
                font-size: 20px;
            }
            .brand-meta span:first-child {
                display: none;
            }
        }

/* roulang page: category3 */
:root {
            --color-ink: #11161B;
            --color-deep-green: #0E3F3A;
            --color-sand: #F5F1E8;
            --color-gold: #C6A15B;
            --color-green: #1F9D63;
            --color-red-muted: #B5473F;
            --color-line-light: rgba(17, 22, 27, 0.12);
            --color-line-dark: rgba(245, 241, 232, 0.16);
            --color-text-body: rgba(17, 22, 27, 0.78);
            --color-text-muted: rgba(17, 22, 27, 0.55);
            --color-white: #FFFFFF;
            --color-bg-card: #FDFCFA;
            --color-bg-faq: #EDF5F2;
            --radius-card: 16px;
            --radius-btn: 4px;
            --radius-input: 8px;
            --radius-tag: 999px;
            --shadow-card: 0 8px 30px rgba(17, 22, 27, 0.06);
            --shadow-card-hover: 0 14px 40px rgba(17, 22, 27, 0.12);
            --shadow-nav: 0 2px 16px rgba(17, 22, 27, 0.08);
            --font-sans: 'HarmonyOS Sans SC', 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-number: 'Inter', 'DIN', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-med: 0.25s ease;
            --transition-slow: 0.6s ease;
            --container-max: 1320px;
            --section-pad-desktop: 96px;
            --section-pad-tablet: 64px;
            --section-pad-mobile: 48px;
            --inner-gap: 40px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text-body);
            background-color: var(--color-sand);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-deep-green);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            display: block;
            object-fit: cover;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
            transition: all var(--transition-med);
        }
        input,
        textarea {
            font-family: inherit;
            font-size: 15px;
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-input);
            background: var(--color-bg-card);
            padding: 12px 16px;
            width: 100%;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        input::placeholder,
        textarea::placeholder {
            color: rgba(17, 22, 27, 0.42);
            font-size: 14px;
        }
        input:focus,
        textarea:focus {
            outline: none;
            border-color: var(--color-deep-green);
            box-shadow: 0 0 0 3px rgba(14, 63, 58, 0.1);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 48px;
            padding-right: 48px;
        }
        @media (max-width: 1024px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }
        }
        @media (max-width: 640px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }
        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-sand);
            transition: box-shadow var(--transition-med);
        }
        .site-header.is-sticky {
            box-shadow: var(--shadow-nav);
        }
        .top-brand-row {
            background: var(--color-sand);
            border-bottom: 1px solid var(--color-line-light);
        }
        .top-brand-row .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            padding-top: 0;
            padding-bottom: 0;
        }
        .brand-logo {
            font-size: 26px;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--color-ink);
            display: flex;
            align-items: center;
            gap: 8px;
            line-height: 1.2;
        }
        .brand-logo .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-gold);
            flex-shrink: 0;
        }
        .brand-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--color-text-muted);
            letter-spacing: 0.02em;
        }
        .brand-meta .subscribe-link {
            color: var(--color-deep-green);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 6px 14px;
            border: 1px solid rgba(14, 63, 58, 0.25);
            border-radius: var(--radius-tag);
            transition: all var(--transition-fast);
        }
        .brand-meta .subscribe-link:hover {
            background: var(--color-deep-green);
            color: var(--color-white);
            border-color: var(--color-deep-green);
        }
        .channel-row {
            background: var(--color-sand);
            border-bottom: 1px solid var(--color-line-light);
        }
        .channel-row .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 60px;
            gap: 24px;
        }
        .nav-links {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 32px;
            margin: 0;
            padding: 0;
            white-space: nowrap;
        }
        .nav-links li {
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-ink);
            letter-spacing: 0.01em;
            padding: 8px 0;
            position: relative;
            display: inline-block;
            transition: color var(--transition-fast);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-deep-green);
            transition: width var(--transition-med);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-links a:hover {
            color: var(--color-deep-green);
        }
        .nav-links a.active {
            color: var(--color-deep-green);
            font-weight: 700;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: 220px;
            width: 220px;
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-input);
            background: var(--color-bg-card);
            padding: 0 12px;
            height: 38px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .nav-search:focus-within {
            border-color: var(--color-deep-green);
            box-shadow: 0 0 0 3px rgba(14, 63, 58, 0.1);
        }
        .nav-search input {
            border: none;
            background: transparent;
            padding: 0;
            height: 100%;
            font-size: 13px;
            color: var(--color-ink);
            box-shadow: none;
            border-radius: 0;
        }
        .nav-search input:focus {
            box-shadow: none;
            outline: none;
        }
        .nav-search input::placeholder {
            color: rgba(17, 22, 27, 0.45);
            font-size: 13px;
        }
        .search-icon-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            color: var(--color-text-muted);
            flex-shrink: 0;
        }
        .search-icon-btn:hover {
            color: var(--color-deep-green);
        }
        .hot-tags-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .hot-tag {
            display: inline-flex;
            align-items: center;
            height: 30px;
            padding: 0 14px;
            border-radius: var(--radius-tag);
            border: 1px solid var(--color-line-light);
            font-size: 12px;
            font-weight: 500;
            color: var(--color-ink);
            background: var(--color-bg-card);
            transition: all var(--transition-fast);
        }
        .hot-tag:hover {
            background: var(--color-deep-green);
            color: var(--color-white);
            border-color: var(--color-deep-green);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 0 8px;
            flex-shrink: 0;
        }
        .hamburger span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--color-ink);
            border-radius: 1px;
            transition: all var(--transition-med);
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(17, 22, 27, 0.45);
            z-index: 1100;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-med);
        }
        .mobile-drawer.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-drawer-inner {
            position: absolute;
            top: 0;
            left: 0;
            width: 280px;
            height: 100%;
            background: var(--color-sand);
            padding: 24px 20px;
            transform: translateX(-100%);
            transition: transform var(--transition-med);
            overflow-y: auto;
        }
        .mobile-drawer.open .mobile-drawer-inner {
            transform: translateX(0);
        }
        .mobile-drawer .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
        }
        .mobile-drawer .drawer-close {
            font-size: 22px;
            color: var(--color-ink);
            padding: 8px;
            line-height: 1;
        }
        .mobile-drawer .drawer-brand {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-ink);
        }
        .mobile-drawer .drawer-nav {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
        }
        .mobile-drawer .drawer-nav li {
            border-bottom: 1px solid var(--color-line-light);
        }
        .mobile-drawer .drawer-nav a {
            display: block;
            padding: 14px 4px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-ink);
            transition: color var(--transition-fast);
        }
        .mobile-drawer .drawer-nav a:hover,
        .mobile-drawer .drawer-nav a.active {
            color: var(--color-deep-green);
        }
        .mobile-drawer .drawer-hot-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        @media (max-width: 1024px) {
            .hot-tags-nav {
                display: none;
            }
            .nav-search {
                width: 160px;
            }
            .nav-links {
                gap: 20px;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                gap: 12px;
            }
            .nav-links a {
                font-size: 13px;
            }
            .nav-search {
                width: 120px;
            }
        }
        @media (max-width: 640px) {
            .channel-row {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .top-brand-row .container {
                height: 60px;
            }
            .brand-logo {
                font-size: 22px;
            }
            .brand-meta span {
                display: none;
            }
            .brand-meta .subscribe-link {
                font-size: 12px;
                padding: 4px 12px;
            }
            .mobile-drawer {
                display: block;
            }
        }
        /* ========== MAIN / SECTIONS ========== */
        main {
            display: block;
        }
        .section {
            padding: var(--section-pad-desktop) 0;
        }
        .section-sm {
            padding: calc(var(--section-pad-desktop) * 0.6) 0;
        }
        .section-alt {
            background: var(--color-bg-card);
        }
        .section-dark {
            background: var(--color-ink);
            color: rgba(245, 241, 232, 0.78);
        }
        @media (max-width: 1024px) {
            .section {
                padding: var(--section-pad-tablet) 0;
            }
            .section-sm {
                padding: calc(var(--section-pad-tablet) * 0.7) 0;
            }
        }
        @media (max-width: 640px) {
            .section {
                padding: var(--section-pad-mobile) 0;
            }
            .section-sm {
                padding: calc(var(--section-pad-mobile) * 0.8) 0;
            }
        }
        /* ========== BREADCRUMB ========== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-deep-green);
        }
        .breadcrumb .sep {
            color: var(--color-text-muted);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--color-deep-green);
            font-weight: 600;
        }
        /* ========== PAGE HEADER ========== */
        .page-header {
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--color-line-light);
        }
        .page-header h1 {
            font-size: 38px;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--color-ink);
            margin: 0 0 12px;
            line-height: 1.3;
        }
        .page-header .header-subtitle {
            font-size: 17px;
            color: var(--color-text-body);
            max-width: 720px;
            margin: 0 0 20px;
            line-height: 1.9;
        }
        .page-header .header-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 16px;
        }
        .page-header .header-tag {
            display: inline-flex;
            align-items: center;
            height: 28px;
            padding: 0 12px;
            border-radius: var(--radius-tag);
            background: var(--color-bg-faq);
            border: 1px solid rgba(14, 63, 58, 0.15);
            font-size: 12px;
            font-weight: 500;
            color: var(--color-deep-green);
        }
        @media (max-width: 640px) {
            .page-header {
                padding: 32px 0 28px;
            }
            .page-header h1 {
                font-size: 26px;
            }
            .page-header .header-subtitle {
                font-size: 15px;
            }
        }
        /* ========== DATA LAB SPECIFIC ========== */
        .data-header-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 24px;
        }
        .data-header-stat {
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            text-align: center;
        }
        .data-header-stat .stat-value {
            font-family: var(--font-number);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-ink);
            letter-spacing: -0.01em;
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .data-header-stat .stat-value .unit {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-muted);
        }
        .data-header-stat .stat-label {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.5;
        }
        @media (max-width: 768px) {
            .data-header-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
        }
        @media (max-width: 480px) {
            .data-header-stats {
                grid-template-columns: 1fr 1fr;
            }
            .data-header-stat {
                padding: 12px 14px;
            }
            .data-header-stat .stat-value {
                font-size: 22px;
            }
        }
        /* Filter bar */
        .filter-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }
        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-btn {
            display: inline-flex;
            align-items: center;
            height: 36px;
            padding: 0 18px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--color-line-light);
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-body);
            background: var(--color-bg-card);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-btn:hover {
            border-color: var(--color-deep-green);
            color: var(--color-deep-green);
        }
        .filter-btn.active {
            background: var(--color-deep-green);
            color: var(--color-white);
            border-color: var(--color-deep-green);
        }
        .filter-label {
            font-size: 13px;
            color: var(--color-text-muted);
            font-weight: 600;
            margin-right: 4px;
        }
        .data-updated {
            font-size: 13px;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .data-updated .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-green);
            display: inline-block;
        }
        /* Ranking section */
        .ranking-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin-top: 32px;
        }
        .ranking-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-card);
            padding: 28px;
            transition: box-shadow var(--transition-med), transform var(--transition-med);
        }
        .ranking-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .ranking-card .ranking-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-ink);
            margin: 0 0 4px;
            line-height: 1.4;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .ranking-card .ranking-desc {
            font-size: 13px;
            color: var(--color-text-muted);
            margin: 0 0 20px;
        }
        .ranking-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .ranking-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-line-light);
            font-size: 14px;
        }
        .ranking-list li:last-child {
            border-bottom: none;
        }
        .ranking-rank {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            font-family: var(--font-number);
            font-size: 13px;
            font-weight: 700;
            background: var(--color-bg-faq);
            color: var(--color-deep-green);
            flex-shrink: 0;
        }
        .ranking-rank.top1 {
            background: var(--color-gold);
            color: var(--color-white);
        }
        .ranking-rank.top2 {
            background: rgba(198, 161, 91, 0.35);
            color: var(--color-ink);
        }
        .ranking-rank.top3 {
            background: rgba(14, 63, 58, 0.25);
            color: var(--color-deep-green);
        }
        .ranking-name {
            flex: 1;
            font-weight: 500;
            color: var(--color-ink);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .ranking-value {
            font-family: var(--font-number);
            font-weight: 700;
            color: var(--color-ink);
            font-size: 15px;
            flex-shrink: 0;
        }
        .ranking-trend {
            font-size: 12px;
            font-weight: 600;
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 2px;
        }
        .ranking-trend.up {
            color: var(--color-green);
        }
        .ranking-trend.down {
            color: var(--color-red-muted);
        }
        .ranking-bar {
            flex: 0 0 80px;
            height: 6px;
            border-radius: 3px;
            background: var(--color-bg-faq);
            overflow: hidden;
            flex-shrink: 0;
        }
        .ranking-bar .fill {
            height: 100%;
            border-radius: 3px;
            background: var(--color-deep-green);
            transition: width 0.8s ease;
        }
        @media (max-width: 900px) {
            .ranking-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        @media (max-width: 480px) {
            .ranking-card {
                padding: 20px 16px;
            }
            .ranking-list li {
                font-size: 13px;
                gap: 8px;
                padding: 10px 0;
            }
            .ranking-bar {
                flex-basis: 50px;
            }
        }
        /* Chart insight cards */
        .chart-insights-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
            margin-top: 32px;
        }
        .chart-insight-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: box-shadow var(--transition-med), transform var(--transition-med);
        }
        .chart-insight-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .chart-insight-card .chart-visual {
            height: 180px;
            background: var(--color-deep-green);
            padding: 24px;
            display: flex;
            align-items: flex-end;
            gap: 8px;
            position: relative;
            overflow: hidden;
        }
        .chart-insight-card .chart-visual .bar-group {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            align-items: center;
            gap: 4px;
            height: 100%;
        }
        .chart-insight-card .chart-visual .bar {
            width: 100%;
            max-width: 32px;
            border-radius: 4px 4px 0 0;
            background: var(--color-gold);
            min-height: 8px;
            transition: height var(--transition-slow);
        }
        .chart-insight-card .chart-visual .bar-label {
            font-size: 11px;
            color: rgba(245, 241, 232, 0.7);
            font-family: var(--font-number);
            font-weight: 600;
        }
        .chart-insight-card .chart-body {
            padding: 24px;
        }
        .chart-insight-card .chart-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-ink);
            margin: 0 0 8px;
            line-height: 1.5;
        }
        .chart-insight-card .chart-desc {
            font-size: 14px;
            color: var(--color-text-body);
            margin: 0 0 12px;
            line-height: 1.8;
        }
        .chart-insight-card .chart-meta {
            font-size: 12px;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .chart-insight-card .chart-meta .tag-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-green);
        }
        @media (max-width: 900px) {
            .chart-insights-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }
        @media (max-width: 640px) {
            .chart-insights-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .chart-insight-card .chart-visual {
                height: 140px;
                padding: 16px;
            }
        }
        /* Methodology */
        .methodology-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin-top: 32px;
        }
        .methodology-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-card);
            padding: 28px;
        }
        .methodology-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-ink);
            margin: 0 0 12px;
            line-height: 1.5;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .methodology-card h3 .num-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-deep-green);
            color: var(--color-white);
            font-family: var(--font-number);
            font-size: 13px;
            flex-shrink: 0;
        }
        .methodology-card p {
            font-size: 14px;
            color: var(--color-text-body);
            margin: 0;
            line-height: 1.8;
        }
        @media (max-width: 768px) {
            .methodology-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .methodology-card {
                padding: 20px;
            }
        }
        /* Subscribe CTA */
        .subscribe-cta {
            background: var(--color-ink);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .subscribe-cta .cta-text {
            flex: 1;
            min-width: 280px;
        }
        .subscribe-cta h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .subscribe-cta p {
            font-size: 15px;
            color: rgba(245, 241, 232, 0.7);
            margin: 0;
            line-height: 1.8;
        }
        .subscribe-cta .cta-form {
            flex: 0 0 380px;
            max-width: 100%;
            display: flex;
            gap: 12px;
            align-items: flex-start;
        }
        .subscribe-cta .cta-form input {
            flex: 1;
            background: rgba(245, 241, 232, 0.08);
            border: 1px solid rgba(245, 241, 232, 0.2);
            color: var(--color-white);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            height: 48px;
        }
        .subscribe-cta .cta-form input::placeholder {
            color: rgba(245, 241, 232, 0.45);
        }
        .subscribe-cta .cta-form input:focus {
            border-color: var(--color-gold);
            box-shadow: 0 0 0 3px rgba(198, 161, 91, 0.15);
        }
        .subscribe-cta .btn-primary-gold {
            height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-btn);
            background: var(--color-gold);
            color: var(--color-ink);
            font-size: 14px;
            font-weight: 700;
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .subscribe-cta .btn-primary-gold:hover {
            background: var(--color-white);
            color: var(--color-deep-green);
        }
        @media (max-width: 768px) {
            .subscribe-cta {
                padding: 32px 24px;
                flex-direction: column;
                align-items: flex-start;
            }
            .subscribe-cta .cta-form {
                flex-basis: auto;
                width: 100%;
                flex-direction: column;
            }
            .subscribe-cta .btn-primary-gold {
                width: 100%;
            }
        }
        /* Related topics */
        .related-topics-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            margin-top: 32px;
        }
        .related-topic-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-card);
            padding: 20px;
            text-align: center;
            transition: box-shadow var(--transition-med), transform var(--transition-med), border-color var(--transition-fast);
        }
        .related-topic-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(14, 63, 58, 0.25);
        }
        .related-topic-card .topic-icon {
            font-size: 28px;
            margin-bottom: 10px;
            display: block;
        }
        .related-topic-card .topic-name {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-ink);
            margin: 0 0 4px;
            line-height: 1.4;
        }
        .related-topic-card .topic-desc {
            font-size: 12px;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.6;
        }
        @media (max-width: 1024px) {
            .related-topics-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
            }
        }
        @media (max-width: 640px) {
            .related-topics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .related-topic-card {
                padding: 16px 12px;
            }
        }
        @media (max-width: 400px) {
            .related-topics-grid {
                grid-template-columns: 1fr;
            }
        }
        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            background: var(--color-deep-green);
            color: var(--color-white);
            font-size: 14px;
            font-weight: 600;
            transition: background var(--transition-fast), transform var(--transition-fast);
        }
        .btn-primary:hover {
            background: var(--color-ink);
            transform: translateY(-1px);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--color-deep-green);
            color: var(--color-deep-green);
            background: transparent;
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition-fast);
        }
        .btn-secondary:hover {
            background: rgba(14, 63, 58, 0.08);
        }
        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-ink);
            color: rgba(245, 241, 232, 0.78);
            padding: 64px 0 32px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 12px;
            line-height: 1.4;
        }
        .footer-brand p {
            font-size: 13px;
            color: rgba(245, 241, 232, 0.6);
            margin: 0;
            line-height: 1.8;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 16px;
            line-height: 1.4;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li:last-child {
            margin-bottom: 0;
        }
        .footer-col ul a {
            font-size: 13px;
            color: rgba(245, 241, 232, 0.6);
            transition: color var(--transition-fast);
            display: inline-block;
        }
        .footer-col ul a:hover {
            color: var(--color-gold);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid var(--color-line-dark);
            font-size: 13px;
            color: rgba(245, 241, 232, 0.5);
            flex-wrap: wrap;
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-bottom-links a {
            color: rgba(245, 241, 232, 0.6);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color var(--transition-fast);
        }
        .footer-bottom-links a:hover {
            color: var(--color-gold);
        }
        .footer-bottom-links span {
            color: rgba(245, 241, 232, 0.35);
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .site-footer {
                padding: 48px 0 24px;
            }
        }
        /* ========== NOTICE / TOAST ========== */
        .toast-msg {
            position: fixed;
            bottom: 24px;
            right: 24px;
            background: var(--color-ink);
            color: var(--color-white);
            padding: 14px 20px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 500;
            z-index: 2000;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-med), transform var(--transition-med);
            transform: translateY(10px);
            box-shadow: var(--shadow-card-hover);
        }
        .toast-msg.show {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }
        /* Visually hidden */
        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

/* roulang page: category2 */
:root {
            --color-ink: #11161B;
            --color-deep-green: #0E3F3A;
            --color-sand: #F5F1E8;
            --color-gold: #C6A15B;
            --color-green: #1F9D63;
            --color-red-muted: #B5473F;
            --color-line-light: rgba(17, 22, 27, 0.12);
            --color-line-dark: rgba(245, 241, 232, 0.16);
            --color-text-body: rgba(17, 22, 27, 0.78);
            --color-text-muted: rgba(17, 22, 27, 0.55);
            --color-white: #FFFFFF;
            --color-bg-card: #FDFCFA;
            --color-bg-faq: #EDF5F2;
            --radius-card: 16px;
            --radius-btn: 4px;
            --radius-input: 8px;
            --radius-tag: 999px;
            --shadow-card: 0 8px 30px rgba(17, 22, 27, 0.06);
            --shadow-card-hover: 0 14px 40px rgba(17, 22, 27, 0.12);
            --shadow-nav: 0 2px 16px rgba(17, 22, 27, 0.08);
            --font-sans: 'HarmonyOS Sans SC', 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-number: 'Inter', 'DIN', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-med: 0.25s ease;
            --transition-slow: 0.6s ease;
            --container-max: 1320px;
            --section-pad-desktop: 96px;
            --section-pad-tablet: 64px;
            --section-pad-mobile: 48px;
            --inner-gap: 40px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text-body);
            background-color: var(--color-sand);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-deep-green);
            outline-offset: 3px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            display: block;
            object-fit: cover;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
            transition: all var(--transition-med);
        }

        input,
        textarea {
            font-family: inherit;
            font-size: 15px;
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-input);
            background: var(--color-bg-card);
            padding: 12px 16px;
            width: 100%;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        input::placeholder,
        textarea::placeholder {
            color: rgba(17, 22, 27, 0.42);
            font-size: 14px;
        }

        input:focus,
        textarea:focus {
            outline: none;
            border-color: var(--color-deep-green);
            box-shadow: 0 0 0 3px rgba(14, 63, 58, 0.1);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 48px;
            padding-right: 48px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-sand);
            transition: box-shadow var(--transition-med);
        }

        .site-header.is-sticky {
            box-shadow: var(--shadow-nav);
        }

        .top-brand-row {
            background: var(--color-sand);
            border-bottom: 1px solid var(--color-line-light);
        }

        .top-brand-row .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            padding-top: 0;
            padding-bottom: 0;
        }

        .brand-logo {
            font-size: 26px;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--color-ink);
            display: flex;
            align-items: center;
            gap: 8px;
            line-height: 1.2;
        }

        .brand-logo .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-gold);
            flex-shrink: 0;
        }

        .brand-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--color-text-muted);
            letter-spacing: 0.02em;
        }

        .brand-meta .subscribe-link {
            color: var(--color-deep-green);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 6px 14px;
            border: 1px solid rgba(14, 63, 58, 0.25);
            border-radius: var(--radius-tag);
            transition: all var(--transition-fast);
        }

        .brand-meta .subscribe-link:hover {
            background: var(--color-deep-green);
            color: var(--color-white);
        }

        .channel-row {
            background: var(--color-sand);
            border-bottom: 1px solid var(--color-line-light);
        }

        .channel-row .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            padding-top: 0;
            padding-bottom: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 28px;
            height: 100%;
        }

        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-ink);
            display: inline-flex;
            align-items: center;
            height: 100%;
            padding-top: 2px;
            position: relative;
            letter-spacing: 0.01em;
            transition: color var(--transition-fast);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background: var(--color-deep-green);
            border-radius: 2px 2px 0 0;
            transition: width var(--transition-med);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-links a.active {
            color: var(--color-deep-green);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 6px;
            max-width: 220px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-input);
            padding: 6px 10px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .nav-search:focus-within {
            border-color: var(--color-deep-green);
            box-shadow: 0 0 0 3px rgba(14, 63, 58, 0.1);
        }

        .nav-search input {
            border: none;
            background: transparent;
            padding: 4px 0;
            font-size: 13px;
            width: 150px;
            color: var(--color-ink);
        }

        .nav-search input:focus {
            box-shadow: none;
            outline: none;
            border: none;
        }

        .search-icon-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-muted);
            padding: 2px;
            transition: color var(--transition-fast);
        }

        .search-icon-btn:hover {
            color: var(--color-deep-green);
        }

        .hot-tags-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hot-tag {
            font-size: 12px;
            color: var(--color-ink);
            background: var(--color-white);
            border: 1px solid var(--color-line-light);
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .hot-tag:hover {
            background: var(--color-deep-green);
            color: var(--color-white);
            border-color: var(--color-deep-green);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            padding: 8px;
            margin-left: auto;
            cursor: pointer;
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-ink);
            border-radius: 1px;
            transition: all var(--transition-med);
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: -100%;
            width: 280px;
            height: 100vh;
            background: var(--color-sand);
            z-index: 1100;
            padding: 32px 24px;
            box-shadow: 4px 0 24px rgba(17, 22, 27, 0.12);
            transition: left var(--transition-med);
            overflow-y: auto;
        }

        .mobile-drawer.open {
            left: 0;
        }

        .mobile-drawer .drawer-logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .mobile-drawer .drawer-logo .logo-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-gold);
            display: inline-block;
        }

        .mobile-drawer ul {
            list-style: none;
            display: flex;
            flex-direction: column;
        }

        .mobile-drawer ul li {
            border-bottom: 1px solid var(--color-line-light);
        }

        .mobile-drawer ul li a {
            display: block;
            padding: 12px 0;
            font-size: 15px;
            color: var(--color-ink);
            font-weight: 500;
        }

        .mobile-drawer ul li a.active {
            color: var(--color-deep-green);
            font-weight: 600;
        }

        .drawer-hot-tags {
            margin-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .drawer-hot-tags .hot-tag {
            font-size: 12px;
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(17, 22, 27, 0.4);
            z-index: 1050;
            opacity: 0;
            transition: opacity var(--transition-med);
        }

        .drawer-overlay.show {
            opacity: 1;
        }

        /* ========== PAGE HEADER ========== */
        .page-header {
            padding: 64px 0 48px;
            border-bottom: 1px solid var(--color-line-light);
            background: var(--color-sand);
        }

        .breadcrumb {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .breadcrumb a {
            color: var(--color-deep-green);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--color-ink);
        }

        .breadcrumb .sep {
            margin: 0 10px;
            color: var(--color-text-muted);
        }

        .page-header h1 {
            font-size: 40px;
            font-weight: 700;
            color: var(--color-ink);
            line-height: 1.25;
            letter-spacing: -0.015em;
            margin-bottom: 16px;
        }

        .page-header .page-desc {
            font-size: 16px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.85;
        }

        /* ========== SECTION COMMON ========== */
        section {
            padding: var(--section-pad-desktop) 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--color-deep-green);
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        .section-label::before {
            content: '';
            display: inline-block;
            width: 16px;
            height: 2px;
            background: var(--color-gold);
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-ink);
            letter-spacing: -0.01em;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-muted);
            max-width: 720px;
            line-height: 1.85;
            margin-bottom: 40px;
        }

        /* ========== COLUMN LIST ========== */
        .column-list-section {
            background: var(--color-sand);
        }

        .column-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }

        .column-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-med), transform var(--transition-med);
            display: flex;
            flex-direction: column;
        }

        .column-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .column-card .card-image {
            height: 220px;
            overflow: hidden;
            position: relative;
        }

        .column-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .column-card:hover .card-image img {
            transform: scale(1.03);
        }

        .column-card .card-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            background: rgba(245, 241, 232, 0.92);
            color: var(--color-deep-green);
            font-weight: 600;
            letter-spacing: 0.03em;
        }

        .column-card .card-body {
            padding: 24px 28px 28px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .column-card .card-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-ink);
            line-height: 1.45;
            margin-bottom: 12px;
            letter-spacing: -0.005em;
        }

        .column-card .card-excerpt {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 18px;
            flex: 1;
        }

        .column-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 16px;
            border-top: 1px solid var(--color-line-light);
        }

        .column-card .author-info {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .column-card .author-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-deep-green);
            color: var(--color-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 600;
            flex-shrink: 0;
        }

        .column-card .author-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-ink);
        }

        .column-card .author-role {
            font-size: 11px;
            color: var(--color-text-muted);
        }

        .column-card .card-date {
            font-size: 12px;
            color: var(--color-text-muted);
            font-family: var(--font-number);
            white-space: nowrap;
        }

        .read-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-deep-green);
            transition: gap var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }

        .read-more-btn:hover {
            color: var(--color-ink);
            gap: 10px;
        }

        .read-more-btn svg {
            transition: transform var(--transition-fast);
        }

        .read-more-btn:hover svg {
            transform: translateX(3px);
        }

        /* ========== VIEWPOINT SECTION ========== */
        .viewpoint-section {
            background: var(--color-deep-green);
            color: var(--color-white);
        }

        .viewpoint-section .section-label {
            color: var(--color-gold);
        }

        .viewpoint-section .section-label::before {
            background: var(--color-gold);
        }

        .viewpoint-section .section-title {
            color: var(--color-white);
        }

        .viewpoint-section .section-subtitle {
            color: rgba(245, 241, 232, 0.7);
        }

        .viewpoint-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .viewpoint-card {
            background: rgba(245, 241, 232, 0.05);
            border: 1px solid rgba(245, 241, 232, 0.12);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            transition: background var(--transition-med), border-color var(--transition-med);
        }

        .viewpoint-card:hover {
            background: rgba(245, 241, 232, 0.08);
            border-color: rgba(245, 241, 232, 0.24);
        }

        .viewpoint-card .quote-mark {
            font-size: 40px;
            line-height: 1;
            color: var(--color-gold);
            margin-bottom: 14px;
            font-family: Georgia, serif;
        }

        .viewpoint-card .quote-text {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(245, 241, 232, 0.88);
            margin-bottom: 18px;
        }

        .viewpoint-card .quote-author {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-gold);
        }

        .viewpoint-card .quote-source {
            font-size: 12px;
            color: rgba(245, 241, 232, 0.55);
        }

        /* ========== RANKING SECTION ========== */
        .ranking-section {
            background: var(--color-sand);
        }

        .ranking-list {
            list-style: none;
            counter-reset: rank;
            max-width: 800px;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 18px 24px;
            border-bottom: 1px solid var(--color-line-light);
            counter-increment: rank;
            transition: background var(--transition-fast);
        }

        .ranking-item:hover {
            background: rgba(14, 63, 58, 0.04);
        }

        .ranking-item:first-child {
            border-top: 1px solid var(--color-line-light);
        }

        .ranking-number {
            font-family: var(--font-number);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text-muted);
            width: 48px;
            flex-shrink: 0;
            text-align: center;
        }

        .ranking-item:nth-child(1) .ranking-number {
            color: var(--color-gold);
        }

        .ranking-item:nth-child(2) .ranking-number {
            color: var(--color-green);
        }

        .ranking-item:nth-child(3) .ranking-number {
            color: var(--color-deep-green);
        }

        .ranking-content {
            flex: 1;
        }

        .ranking-content .rank-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-ink);
            line-height: 1.5;
        }

        .ranking-content .rank-meta {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 2px;
        }

        .ranking-value {
            font-family: var(--font-number);
            font-size: 15px;
            font-weight: 600;
            color: var(--color-deep-green);
            white-space: nowrap;
        }

        /* ========== SUBSCRIBE CTA ========== */
        .subscribe-cta-section {
            background: var(--color-deep-green);
            color: var(--color-white);
            padding: 64px 0;
        }

        .subscribe-cta-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .subscribe-cta-left .section-title {
            color: var(--color-white);
            margin-bottom: 8px;
        }

        .subscribe-cta-left .cta-desc {
            color: rgba(245, 241, 232, 0.72);
            font-size: 15px;
            line-height: 1.8;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
        }

        .subscribe-form input {
            flex: 1;
            background: rgba(245, 241, 232, 0.1);
            border: 1px solid rgba(245, 241, 232, 0.25);
            color: var(--color-white);
            border-radius: var(--radius-btn);
            padding: 14px 16px;
        }

        .subscribe-form input:focus {
            border-color: var(--color-gold);
            box-shadow: 0 0 0 3px rgba(198, 161, 91, 0.2);
        }

        .subscribe-form input::placeholder {
            color: rgba(245, 241, 232, 0.5);
        }

        .btn-primary {
            background: var(--color-gold);
            color: var(--color-ink);
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.01em;
            transition: all var(--transition-med);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            background: var(--color-white);
            color: var(--color-deep-green);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
        }

        .form-feedback {
            font-size: 13px;
            margin-top: 12px;
            color: var(--color-gold);
            min-height: 20px;
        }

        /* ========== TOPIC LINKS ========== */
        .topic-links-section {
            background: var(--color-sand);
            border-top: 1px solid var(--color-line-light);
            border-bottom: 1px solid var(--color-line-light);
        }

        .topic-links-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .topic-link-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-card);
            padding: 20px 20px;
            transition: all var(--transition-med);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .topic-link-card:hover {
            background: var(--color-white);
            border-color: var(--color-deep-green);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }

        .topic-link-card .topic-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(14, 63, 58, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-deep-green);
            flex-shrink: 0;
        }

        .topic-link-card .topic-info .topic-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-ink);
        }

        .topic-link-card .topic-info .topic-desc {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--color-sand);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-line-light);
            margin-bottom: 4px;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 0;
            cursor: pointer;
            transition: color var(--transition-fast);
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            color: var(--color-deep-green);
        }

        .faq-question-text {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-ink);
            line-height: 1.5;
            flex: 1;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(14, 63, 58, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-deep-green);
            transition: transform var(--transition-med), background var(--transition-fast);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--color-deep-green);
            color: var(--color-white);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-med), padding var(--transition-med);
            padding: 0;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 0 20px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.8;
            background: var(--color-bg-faq);
            border-radius: 8px;
            padding: 16px 20px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-ink);
            color: rgba(245, 241, 232, 0.72);
            padding: 64px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-brand h3 {
            color: var(--color-white);
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(245, 241, 232, 0.55);
            max-width: 320px;
        }

        .footer-col h4 {
            color: var(--color-white);
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: rgba(245, 241, 232, 0.6);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-gold);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 24px;
            border-top: 1px solid var(--color-line-dark);
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-bottom-links a {
            color: var(--color-gold);
            text-decoration: underline;
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: var(--color-white);
        }

        .footer-bottom-links span {
            color: rgba(245, 241, 232, 0.35);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }

            .nav-links {
                gap: 20px;
            }

            .nav-links a {
                font-size: 14px;
            }

            .hot-tags-nav {
                display: none;
            }

            .column-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .viewpoint-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

            .topic-links-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .subscribe-cta-wrapper {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            section {
                padding: var(--section-pad-tablet) 0;
            }

            .page-header {
                padding: 40px 0 32px;
            }

            .page-header h1 {
                font-size: 32px;
            }

            .section-title {
                font-size: 26px;
            }

            .nav-actions {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .channel-row .container {
                justify-content: space-between;
            }

            .nav-links {
                display: none;
            }

            .mobile-drawer {
                display: block;
            }

            .drawer-overlay {
                display: block;
            }

            .viewpoint-grid {
                grid-template-columns: 1fr;
            }

            .column-card .card-body {
                padding: 18px 20px 22px;
            }

            .column-card .card-image {
                height: 180px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .subscribe-form {
                flex-direction: column;
            }

            .subscribe-form .btn-primary {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            section {
                padding: var(--section-pad-mobile) 0;
            }

            .page-header h1 {
                font-size: 26px;
            }

            .section-title {
                font-size: 22px;
            }

            .column-card .card-title {
                font-size: 18px;
            }

            .column-card .card-image {
                height: 160px;
            }

            .ranking-item {
                padding: 14px 12px;
                gap: 12px;
            }

            .ranking-number {
                font-size: 22px;
                width: 32px;
            }

            .ranking-content .rank-title {
                font-size: 14px;
            }

            .topic-links-grid {
                grid-template-columns: 1fr;
            }

            .brand-meta {
                gap: 8px;
                font-size: 12px;
            }

            .brand-meta .subscribe-link {
                padding: 4px 10px;
                font-size: 12px;
            }

            .brand-logo {
                font-size: 22px;
            }
        }

/* roulang page: category4 */
:root {
            --color-ink: #11161B;
            --color-deep-green: #0E3F3A;
            --color-sand: #F5F1E8;
            --color-gold: #C6A15B;
            --color-green: #1F9D63;
            --color-red-muted: #B5473F;
            --color-line-light: rgba(17, 22, 27, 0.12);
            --color-line-dark: rgba(245, 241, 232, 0.16);
            --color-text-body: rgba(17, 22, 27, 0.78);
            --color-text-muted: rgba(17, 22, 27, 0.55);
            --color-white: #FFFFFF;
            --color-bg-card: #FDFCFA;
            --color-bg-faq: #EDF5F2;
            --radius-card: 16px;
            --radius-btn: 4px;
            --radius-input: 8px;
            --radius-tag: 999px;
            --shadow-card: 0 8px 30px rgba(17, 22, 27, 0.06);
            --shadow-card-hover: 0 14px 40px rgba(17, 22, 27, 0.12);
            --shadow-nav: 0 2px 16px rgba(17, 22, 27, 0.08);
            --font-sans: 'HarmonyOS Sans SC', 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-number: 'Inter', 'DIN', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-med: 0.25s ease;
            --transition-slow: 0.6s ease;
            --container-max: 1320px;
            --section-pad-desktop: 96px;
            --section-pad-tablet: 64px;
            --section-pad-mobile: 48px;
            --inner-gap: 40px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text-body);
            background-color: var(--color-sand);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-deep-green);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            display: block;
            object-fit: cover;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
            transition: all var(--transition-med);
        }
        input,
        textarea {
            font-family: inherit;
            font-size: 15px;
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-input);
            background: var(--color-bg-card);
            padding: 12px 16px;
            width: 100%;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            box-sizing: border-box;
        }
        input::placeholder,
        textarea::placeholder {
            color: rgba(17, 22, 27, 0.42);
            font-size: 14px;
        }
        input:focus,
        textarea:focus {
            outline: none;
            border-color: var(--color-deep-green);
            box-shadow: 0 0 0 3px rgba(14, 63, 58, 0.1);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 48px;
            padding-right: 48px;
            box-sizing: border-box;
        }
        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-sand);
            transition: box-shadow var(--transition-med);
            border-bottom: 1px solid var(--color-line-light);
        }
        .site-header.is-sticky {
            box-shadow: var(--shadow-nav);
        }
        .top-brand-row {
            background: var(--color-sand);
            border-bottom: 1px solid var(--color-line-light);
        }
        .top-brand-row .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            padding-top: 0;
            padding-bottom: 0;
        }
        .brand-logo {
            font-size: 26px;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--color-ink);
            display: flex;
            align-items: center;
            gap: 8px;
            line-height: 1.2;
        }
        .brand-logo .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-gold);
            flex-shrink: 0;
        }
        .brand-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--color-text-muted);
            letter-spacing: 0.02em;
        }
        .brand-meta .subscribe-link {
            color: var(--color-deep-green);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 6px 14px;
            border: 1px solid rgba(14, 63, 58, 0.25);
            border-radius: var(--radius-tag);
            transition: all var(--transition-fast);
        }
        .brand-meta .subscribe-link:hover {
            background: var(--color-deep-green);
            color: var(--color-white);
            border-color: var(--color-deep-green);
        }
        .channel-row {
            background: var(--color-sand);
            border-bottom: 1px solid var(--color-line-light);
        }
        .channel-row .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            padding-top: 0;
            padding-bottom: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
            height: 100%;
        }
        .nav-links li {
            height: 100%;
            display: flex;
            align-items: center;
        }
        .nav-links a {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-body);
            position: relative;
            display: flex;
            align-items: center;
            height: 100%;
            padding: 0 2px;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--color-deep-green);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-med);
            border-radius: 2px;
        }
        .nav-links a:hover {
            color: var(--color-deep-green);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            transform: scaleX(1);
        }
        .nav-links a.active {
            color: var(--color-deep-green);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            max-width: 240px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-input);
            padding: 6px 10px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .nav-search:focus-within {
            border-color: var(--color-deep-green);
            box-shadow: 0 0 0 3px rgba(14, 63, 58, 0.1);
        }
        .nav-search input {
            border: none;
            background: transparent;
            padding: 4px 8px;
            font-size: 14px;
            width: 160px;
            box-shadow: none;
        }
        .nav-search input:focus {
            box-shadow: none;
            border: none;
        }
        .search-icon-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-muted);
            padding: 4px;
            border-radius: 4px;
            transition: color var(--transition-fast), background var(--transition-fast);
        }
        .search-icon-btn:hover {
            color: var(--color-deep-green);
            background: rgba(14, 63, 58, 0.06);
        }
        .hot-tags-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hot-tag {
            font-size: 12px;
            font-weight: 500;
            color: var(--color-ink);
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .hot-tag:hover {
            background: var(--color-deep-green);
            color: var(--color-white);
            border-color: var(--color-deep-green);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 4px;
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-ink);
            border-radius: 2px;
            transition: all var(--transition-med);
        }
        .hamburger:hover {
            background: rgba(17, 22, 27, 0.06);
        }
        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            padding: 28px 0 0;
            background: var(--color-sand);
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb-nav a:hover {
            color: var(--color-deep-green);
        }
        .breadcrumb-nav .sep {
            color: var(--color-line-light);
            pointer-events: none;
        }
        .breadcrumb-nav .current {
            color: var(--color-deep-green);
            font-weight: 600;
        }
        /* ========== PAGE HEADER ========== */
        .page-header-specials {
            padding: 36px 0 52px;
            background: var(--color-sand);
        }
        .page-header-specials .container {
            display: grid;
            grid-template-columns: 1fr 420px;
            gap: 48px;
            align-items: start;
        }
        .page-header-left .kicker {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-deep-green);
            background: rgba(14, 63, 58, 0.08);
            padding: 6px 14px;
            border-radius: var(--radius-tag);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .page-header-left h1 {
            font-size: 36px;
            line-height: 1.3;
            color: var(--color-ink);
            font-weight: 700;
            letter-spacing: -0.01em;
            margin: 0 0 18px;
            padding: 0;
        }
        .page-header-left .header-desc {
            font-size: 16px;
            line-height: 1.9;
            color: var(--color-text-body);
            margin: 0;
            max-width: 620px;
        }
        .page-header-right {
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            box-shadow: var(--shadow-card);
        }
        .page-header-right .stat-label {
            font-size: 12px;
            color: var(--color-text-muted);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 10px;
        }
        .page-header-right .stat-numbers {
            display: flex;
            flex-wrap: wrap;
            gap: 20px 28px;
        }
        .page-header-right .stat-item .num {
            font-family: var(--font-number);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-deep-green);
            line-height: 1.2;
        }
        .page-header-right .stat-item .label {
            font-size: 12px;
            color: var(--color-text-muted);
            white-space: nowrap;
        }
        /* ========== SECTION COMMON ========== */
        .section {
            padding: 56px 0;
        }
        .section-alt {
            background: rgba(245, 241, 232, 0.55);
            border-top: 1px solid var(--color-line-light);
            border-bottom: 1px solid var(--color-line-light);
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-ink);
            letter-spacing: -0.01em;
            margin: 0 0 8px;
            line-height: 1.35;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-muted);
            margin: 0 0 32px;
            line-height: 1.75;
        }
        .section-head-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }
        .section-head-row .section-title,
        .section-head-row .section-subtitle {
            margin-bottom: 0;
        }
        .section-head-row .head-left {
            flex: 1;
            min-width: 0;
        }
        .section-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-deep-green);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
            transition: gap var(--transition-fast), color var(--transition-fast);
        }
        .section-link:hover {
            color: var(--color-ink);
            gap: 10px;
        }
        /* ========== TOPIC GRID ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .topic-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-med), box-shadow var(--transition-med);
            display: flex;
            flex-direction: column;
        }
        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .topic-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .topic-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .topic-card:hover .topic-card-img img {
            transform: scale(1.03);
        }
        .topic-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            font-size: 12px;
            font-weight: 600;
            color: #fff;
            background: var(--color-deep-green);
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            letter-spacing: 0.03em;
        }
        .topic-card-body {
            padding: 20px 22px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .topic-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-ink);
            margin: 0 0 10px;
            line-height: 1.45;
        }
        .topic-card-body .topic-desc {
            font-size: 14px;
            line-height: 1.75;
            color: var(--color-text-body);
            margin: 0 0 16px;
            flex: 1;
        }
        .topic-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--color-text-muted);
            border-top: 1px solid var(--color-line-light);
            padding-top: 14px;
        }
        .topic-card-meta .read-more-btn {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-deep-green);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast), gap var(--transition-fast);
        }
        .topic-card-meta .read-more-btn:hover {
            color: var(--color-ink);
            gap: 8px;
        }
        /* ========== PROGRESS SECTION ========== */
        .progress-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .progress-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-med), box-shadow var(--transition-med);
        }
        .progress-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }
        .progress-item-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .progress-item-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-ink);
            letter-spacing: -0.005em;
        }
        .progress-item-pct {
            font-family: var(--font-number);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-green);
        }
        .progress-bar-track {
            height: 6px;
            background: rgba(17, 22, 27, 0.08);
            border-radius: 3px;
            overflow: hidden;
        }
        .progress-bar-fill {
            height: 100%;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--color-deep-green), var(--color-green));
            transition: width var(--transition-slow);
            width: 0;
        }
        .progress-item-desc {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-top: 10px;
            line-height: 1.7;
        }
        /* ========== EDITOR PICKS ========== */
        .editor-picks-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .editor-pick-item {
            display: flex;
            gap: 18px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            transition: transform var(--transition-med), box-shadow var(--transition-med);
            align-items: flex-start;
        }
        .editor-pick-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .editor-pick-img {
            width: 96px;
            height: 72px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .editor-pick-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .editor-pick-content h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-ink);
            margin: 0 0 6px;
            line-height: 1.45;
        }
        .editor-pick-content p {
            font-size: 13px;
            color: var(--color-text-muted);
            margin: 0 0 8px;
            line-height: 1.65;
        }
        .editor-pick-content .pick-date {
            font-size: 12px;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        /* ========== TAG CLOUD ========== */
        .tag-cloud-section {
            padding: 0;
        }
        .tag-cloud-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 14px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-card);
            padding: 28px 30px;
            box-shadow: var(--shadow-card);
        }
        .cloud-tag {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-body);
            background: var(--color-sand);
            border: 1px solid var(--color-line-light);
            padding: 6px 16px;
            border-radius: var(--radius-tag);
            transition: all var(--transition-fast);
            display: inline-block;
        }
        .cloud-tag:hover {
            background: var(--color-deep-green);
            color: var(--color-white);
            border-color: var(--color-deep-green);
            transform: translateY(-1px);
        }
        .cloud-tag.hot {
            color: var(--color-deep-green);
            border-color: rgba(14, 63, 58, 0.3);
            background: rgba(14, 63, 58, 0.05);
            font-weight: 600;
        }
        /* ========== SUBSCRIBE CTA ========== */
        .subscribe-cta-specials {
            background: var(--color-deep-green);
            border-radius: var(--radius-card);
            padding: 44px 48px;
            position: relative;
            overflow: hidden;
        }
        .subscribe-cta-specials::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(198, 161, 91, 0.12);
            pointer-events: none;
        }
        .subscribe-cta-specials::after {
            content: '';
            position: absolute;
            bottom: -50px;
            right: 120px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(31, 157, 99, 0.15);
            pointer-events: none;
        }
        .subscribe-cta-specials .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .cta-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 8px;
            letter-spacing: -0.01em;
        }
        .cta-text p {
            font-size: 14px;
            color: rgba(245, 241, 232, 0.75);
            margin: 0;
            line-height: 1.7;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            min-width: 320px;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
            background: rgba(245, 241, 232, 0.12);
            border: 1px solid rgba(245, 241, 232, 0.25);
            color: var(--color-white);
            border-radius: var(--radius-btn);
            padding: 14px 18px;
            font-size: 14px;
        }
        .cta-form input::placeholder {
            color: rgba(245, 241, 232, 0.55);
        }
        .cta-form input:focus {
            border-color: var(--color-gold);
            box-shadow: 0 0 0 3px rgba(198, 161, 91, 0.2);
        }
        .cta-form .btn-primary-gold {
            background: var(--color-gold);
            color: var(--color-ink);
            border: none;
            border-radius: var(--radius-btn);
            padding: 14px 28px;
            font-size: 14px;
            font-weight: 700;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .cta-form .btn-primary-gold:hover {
            background: var(--color-white);
            color: var(--color-deep-green);
            transform: translateY(-1px);
        }
        /* ========== RELATED CHANNELS ========== */
        .related-channels-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .channel-entry-link {
            display: flex;
            align-items: center;
            gap: 12px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-line-light);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            transition: transform var(--transition-med), box-shadow var(--transition-med);
        }
        .channel-entry-link:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(14, 63, 58, 0.25);
        }
        .channel-entry-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(14, 63, 58, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--color-deep-green);
        }
        .channel-entry-text h5 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-ink);
            margin: 0 0 2px;
        }
        .channel-entry-text span {
            font-size: 12px;
            color: var(--color-text-muted);
        }
        /* ========== DISCLAIMER / SAFETY ========== */
        .safety-note-specials {
            background: rgba(181, 71, 63, 0.05);
            border: 1px solid rgba(181, 71, 63, 0.15);
            border-radius: var(--radius-card);
            padding: 18px 22px;
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }
        .safety-note-specials .safety-icon {
            color: var(--color-red-muted);
            flex-shrink: 0;
            margin-top: 2px;
        }
        .safety-note-specials p {
            font-size: 13px;
            color: var(--color-text-body);
            margin: 0;
            line-height: 1.75;
        }
        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-ink);
            color: rgba(245, 241, 232, 0.75);
            padding: 48px 0 28px;
            margin-top: 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
            letter-spacing: -0.01em;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.75;
            margin: 0;
            color: rgba(245, 241, 232, 0.6);
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: rgba(245, 241, 232, 0.9);
            margin: 0 0 12px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: rgba(245, 241, 232, 0.6);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-gold);
        }
        .footer-bottom {
            border-top: 1px solid var(--color-line-dark);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 12px;
        }
        .footer-bottom span {
            color: rgba(245, 241, 232, 0.5);
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-bottom-links a {
            color: var(--color-gold);
            font-weight: 500;
            transition: color var(--transition-fast);
        }
        .footer-bottom-links a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .footer-bottom-links span {
            color: rgba(245, 241, 232, 0.35);
        }
        /* ========== MOBILE DRAWER ========== */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 280px;
            height: 100vh;
            background: var(--color-sand);
            z-index: 2000;
            box-shadow: 0 0 40px rgba(17, 22, 27, 0.2);
            transform: translateX(-100%);
            transition: transform var(--transition-med);
            padding: 24px 20px;
            overflow-y: auto;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .mobile-drawer .drawer-close {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }
        .mobile-drawer .drawer-close button {
            font-size: 24px;
            color: var(--color-text-muted);
            padding: 8px;
            border-radius: 50%;
        }
        .mobile-drawer .drawer-close button:hover {
            background: rgba(17, 22, 27, 0.06);
            color: var(--color-ink);
        }
        .mobile-drawer .drawer-nav {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
        }
        .mobile-drawer .drawer-nav li {
            border-bottom: 1px solid var(--color-line-light);
        }
        .mobile-drawer .drawer-nav a {
            display: flex;
            align-items: center;
            height: 44px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-body);
            transition: color var(--transition-fast), padding-left var(--transition-fast);
        }
        .mobile-drawer .drawer-nav a:hover,
        .mobile-drawer .drawer-nav a.active {
            color: var(--color-deep-green);
            padding-left: 8px;
        }
        .drawer-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(17, 22, 27, 0.4);
            z-index: 1999;
            opacity: 0;
            transition: opacity var(--transition-med);
        }
        .drawer-overlay.active {
            opacity: 1;
        }
        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }
            .nav-actions .hot-tags-nav {
                display: none;
            }
            .page-header-specials .container {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .page-header-right {
                max-width: 420px;
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .related-channels-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .editor-picks-list {
                grid-template-columns: 1fr;
            }
            .subscribe-cta-specials {
                padding: 32px 28px;
            }
            .cta-inner {
                flex-direction: column;
                align-items: flex-start !important;
            }
            .cta-form {
                min-width: 100% !important;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .section {
                padding: 40px 0;
            }
            .section-head-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .topic-card-img {
                height: 180px;
            }
            .page-header-specials {
                padding: 24px 0 36px;
            }
            .page-header-left h1 {
                font-size: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 640px) {
            .channel-row .nav-links,
            .channel-row .nav-actions {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .channel-row .container {
                justify-content: space-between;
            }
            .mobile-drawer {
                display: block;
            }
            .drawer-overlay.active {
                display: block;
            }
            .drawer-overlay {
                display: block;
            }
            .top-brand-row .container {
                height: 56px;
            }
            .brand-logo {
                font-size: 22px;
            }
            .brand-meta span {
                display: none;
            }
            .brand-meta .subscribe-link {
                font-size: 12px;
                padding: 4px 10px;
            }
            .channel-row .container {
                height: 52px;
            }
            .page-header-left h1 {
                font-size: 24px;
            }
            .page-header-left .header-desc {
                font-size: 14px;
            }
            .topic-card-body h3 {
                font-size: 16px;
            }
            .progress-item {
                padding: 16px 18px;
            }
            .related-channels-grid {
                grid-template-columns: 1fr;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                min-width: 100%;
            }
            .cta-form .btn-primary-gold {
                width: 100%;
            }
            .subscribe-cta-specials {
                padding: 24px 20px;
            }
            .cta-text h3 {
                font-size: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-col h4 {
                margin-bottom: 8px;
            }
        }
        /* ========== ANIMATIONS ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .anim-fade-up {
            animation: fadeInUp 0.6s ease both;
        }
        .anim-delay-1 { animation-delay: 0.1s; }
        .anim-delay-2 { animation-delay: 0.2s; }
        .anim-delay-3 { animation-delay: 0.3s; }
        .anim-delay-4 { animation-delay: 0.4s; }

/* roulang page: category5 */
:root {
        --color-ink: #11161B;
        --color-deep-green: #0E3F3A;
        --color-sand: #F5F1E8;
        --color-gold: #C6A15B;
        --color-green: #1F9D63;
        --color-red-muted: #B5473F;
        --color-line-light: rgba(17, 22, 27, 0.12);
        --color-line-dark: rgba(245, 241, 232, 0.16);
        --color-text-body: rgba(17, 22, 27, 0.78);
        --color-text-muted: rgba(17, 22, 27, 0.55);
        --color-white: #FFFFFF;
        --color-bg-card: #FDFCFA;
        --color-bg-faq: #EDF5F2;
        --radius-card: 16px;
        --radius-btn: 4px;
        --radius-input: 8px;
        --radius-tag: 999px;
        --shadow-card: 0 8px 30px rgba(17, 22, 27, 0.06);
        --shadow-card-hover: 0 14px 40px rgba(17, 22, 27, 0.12);
        --shadow-nav: 0 2px 16px rgba(17, 22, 27, 0.08);
        --font-sans: 'HarmonyOS Sans SC', 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        --font-number: 'Inter', 'DIN', 'Helvetica Neue', Arial, sans-serif;
        --transition-fast: 0.2s ease;
        --transition-med: 0.25s ease;
        --transition-slow: 0.6s ease;
        --container-max: 1320px;
        --section-pad-desktop: 96px;
        --section-pad-tablet: 64px;
        --section-pad-mobile: 48px;
        --inner-gap: 40px;
    }

    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }

    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.85;
        color: var(--color-text-body);
        background-color: var(--color-sand);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
    }

    a {
        text-decoration: none;
        color: inherit;
        transition: color var(--transition-fast);
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    textarea:focus-visible {
        outline: 2px solid var(--color-deep-green);
        outline-offset: 3px;
        border-radius: 4px;
    }

    img {
        max-width: 100%;
        display: block;
        object-fit: cover;
    }

    button {
        font-family: inherit;
        cursor: pointer;
        border: none;
        background: none;
        font-size: inherit;
        transition: all var(--transition-med);
    }

    input,
    textarea {
        font-family: inherit;
        font-size: 15px;
        border: 1px solid var(--color-line-light);
        border-radius: var(--radius-input);
        background: var(--color-bg-card);
        padding: 12px 16px;
        width: 100%;
        transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }

    input::placeholder,
    textarea::placeholder {
        color: rgba(17, 22, 27, 0.42);
        font-size: 14px;
    }

    input:focus,
    textarea:focus {
        outline: none;
        border-color: var(--color-deep-green);
        box-shadow: 0 0 0 3px rgba(14, 63, 58, 0.1);
    }

    .container {
        max-width: var(--container-max);
        margin: 0 auto;
        padding-left: 48px;
        padding-right: 48px;
    }

    @media (max-width: 1024px) {
        .container {
            padding-left: 32px;
            padding-right: 32px;
        }
    }

    @media (max-width: 640px) {
        .container {
            padding-left: 20px;
            padding-right: 20px;
        }
    }

    /* ========== HEADER / NAV ========== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: var(--color-sand);
        transition: box-shadow var(--transition-med);
    }

    .site-header.is-sticky {
        box-shadow: var(--shadow-nav);
    }

    .top-brand-row {
        background: var(--color-sand);
        border-bottom: 1px solid var(--color-line-light);
    }

    .top-brand-row .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 72px;
        padding-top: 0;
        padding-bottom: 0;
    }

    .brand-logo {
        font-size: 26px;
        font-weight: 700;
        letter-spacing: -0.01em;
        color: var(--color-ink);
        display: flex;
        align-items: center;
        gap: 8px;
        line-height: 1.2;
        flex-shrink: 0;
    }

    .brand-logo .logo-dot {
        display: inline-block;
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: var(--color-gold);
        flex-shrink: 0;
    }

    .brand-meta {
        display: flex;
        align-items: center;
        gap: 16px;
        font-size: 13px;
        color: var(--color-text-muted);
        letter-spacing: 0.02em;
        flex-shrink: 0;
    }

    .brand-meta .subscribe-link {
        color: var(--color-deep-green);
        font-weight: 600;
        display: inline-flex;
        align-items: center;
        gap: 4px;
        padding: 6px 14px;
        border: 1px solid rgba(14, 63, 58, 0.25);
        border-radius: var(--radius-tag);
        transition: all var(--transition-fast);
    }

    .brand-meta .subscribe-link:hover {
        background: var(--color-deep-green);
        color: var(--color-white);
        border-color: var(--color-deep-green);
        text-decoration: none;
    }

    .channel-row {
        background: var(--color-sand);
        border-bottom: 1px solid var(--color-line-light);
    }

    .channel-row .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 60px;
        padding-top: 0;
        padding-bottom: 0;
        position: relative;
    }

    .nav-links {
        list-style: none;
        display: flex;
        align-items: center;
        gap: 32px;
        margin: 0;
        padding: 0;
        height: 100%;
        flex-shrink: 0;
    }

    .nav-links li {
        height: 100%;
        display: flex;
        align-items: center;
        position: relative;
    }

    .nav-links a {
        font-size: 15px;
        font-weight: 500;
        color: var(--color-ink);
        display: flex;
        align-items: center;
        height: 100%;
        padding: 0 4px;
        position: relative;
        transition: color var(--transition-fast);
    }

    .nav-links a::after {
        content: '';
        position: absolute;
        bottom: -1px;
        left: 0;
        width: 0;
        height: 2px;
        background: var(--color-deep-green);
        transition: width var(--transition-med);
    }

    .nav-links a:hover {
        color: var(--color-deep-green);
    }

    .nav-links a:hover::after {
        width: 100%;
    }

    .nav-links a.active {
        color: var(--color-deep-green);
        font-weight: 600;
    }

    .nav-links a.active::after {
        width: 100%;
    }

    .nav-actions {
        display: flex;
        align-items: center;
        gap: 16px;
        flex-shrink: 0;
    }

    .nav-search {
        display: flex;
        align-items: center;
        gap: 0;
        max-width: 240px;
        border: 1px solid var(--color-line-light);
        border-radius: var(--radius-input);
        background: var(--color-bg-card);
        overflow: hidden;
        transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }

    .nav-search:focus-within {
        border-color: var(--color-deep-green);
        box-shadow: 0 0 0 3px rgba(14, 63, 58, 0.08);
    }

    .nav-search input {
        border: none;
        background: transparent;
        border-radius: 0;
        padding: 10px 14px;
        font-size: 14px;
        width: 100%;
        min-width: 0;
        box-shadow: none;
    }

    .nav-search input:focus {
        box-shadow: none;
        outline: none;
    }

    .nav-search .search-icon-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0 12px;
        color: var(--color-text-muted);
        flex-shrink: 0;
        background: transparent;
        border: none;
        transition: color var(--transition-fast);
        height: 40px;
    }

    .nav-search .search-icon-btn:hover {
        color: var(--color-deep-green);
    }

    .hot-tags-nav {
        display: flex;
        align-items: center;
        gap: 8px;
        flex-shrink: 0;
    }

    .hot-tag {
        font-size: 12px;
        color: var(--color-ink);
        background: var(--color-bg-card);
        padding: 5px 12px;
        border: 1px solid var(--color-line-light);
        border-radius: var(--radius-tag);
        display: inline-flex;
        align-items: center;
        white-space: nowrap;
        transition: all var(--transition-fast);
        font-weight: 500;
    }

    .hot-tag:hover {
        background: var(--color-deep-green);
        color: var(--color-white);
        border-color: var(--color-deep-green);
        text-decoration: none;
    }

    .hamburger {
        display: none;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 5px;
        width: 44px;
        height: 44px;
        flex-shrink: 0;
    }

    .hamburger span {
        display: block;
        width: 22px;
        height: 2px;
        background: var(--color-ink);
        transition: all var(--transition-med);
        transform-origin: center;
        border-radius: 2px;
    }

    .hamburger.is-open span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .hamburger.is-open span:nth-child(2) {
        opacity: 0;
        transform: scaleX(0);
    }
    .hamburger.is-open span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .mobile-drawer {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 280px;
        height: 100vh;
        background: var(--color-sand);
        z-index: 1100;
        padding: 24px 20px;
        transform: translateX(-100%);
        transition: transform var(--transition-med);
        box-shadow: 8px 0 30px rgba(17, 22, 27, 0.15);
        overflow-y: auto;
        flex-direction: column;
        gap: 20px;
    }

    .mobile-drawer.is-open {
        transform: translateX(0);
    }

    .mobile-drawer .drawer-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 16px;
    }

    .mobile-drawer .drawer-close {
        font-size: 28px;
        color: var(--color-ink);
        width: 36px;
        height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        transition: all var(--transition-fast);
    }

    .mobile-drawer .drawer-close:hover {
        background: rgba(17, 22, 27, 0.06);
    }

    .mobile-drawer .drawer-nav {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 0;
    }

    .mobile-drawer .drawer-nav li {
        border-bottom: 1px solid var(--color-line-light);
    }

    .mobile-drawer .drawer-nav a {
        display: flex;
        align-items: center;
        height: 44px;
        font-size: 16px;
        font-weight: 500;
        color: var(--color-ink);
        transition: color var(--transition-fast);
    }

    .mobile-drawer .drawer-nav a:hover,
    .mobile-drawer .drawer-nav a.active {
        color: var(--color-deep-green);
        font-weight: 600;
    }

    .mobile-drawer .drawer-hot-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-top: 12px;
    }

    .drawer-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(17, 22, 27, 0.4);
        z-index: 1050;
        opacity: 0;
        transition: opacity var(--transition-med);
    }

    .drawer-overlay.is-active {
        opacity: 1;
    }

    /* ========== MAIN LAYOUT ========== */
    main {
        min-height: 60vh;
    }

    .section {
        padding: var(--section-pad-desktop) 0;
    }

    @media (max-width: 1024px) {
        .section {
            padding: var(--section-pad-tablet) 0;
        }
    }

    @media (max-width: 640px) {
        .section {
            padding: var(--section-pad-mobile) 0;
        }
    }

    .section-alt {
        background: rgba(245, 241, 232, 0.55);
    }

    .section-dark {
        background: var(--color-ink);
        color: rgba(245, 241, 232, 0.85);
    }

    .section-dark h2,
    .section-dark h3 {
        color: var(--color-white);
    }

    /* ========== PAGE HEADER (Category Header) ========== */
    .page-header {
        padding: 48px 0 32px;
        background: var(--color-sand);
        border-bottom: 1px solid var(--color-line-light);
    }

    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: var(--color-text-muted);
        margin-bottom: 20px;
        list-style: none;
        padding: 0;
        flex-wrap: wrap;
    }

    .breadcrumb li {
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .breadcrumb li:not(:last-child)::after {
        content: '/';
        color: rgba(17, 22, 27, 0.35);
        font-size: 12px;
    }

    .breadcrumb a {
        color: var(--color-text-muted);
        transition: color var(--transition-fast);
    }

    .breadcrumb a:hover {
        color: var(--color-deep-green);
    }

    .breadcrumb .current {
        color: var(--color-ink);
        font-weight: 500;
    }

    .page-header h1 {
        font-size: 36px;
        font-weight: 700;
        letter-spacing: -0.015em;
        color: var(--color-ink);
        line-height: 1.25;
        margin-bottom: 16px;
    }

    .page-header .page-desc {
        font-size: 16px;
        line-height: 1.9;
        color: var(--color-text-body);
        max-width: 780px;
    }

    @media (max-width: 640px) {
        .page-header {
            padding: 32px 0 24px;
        }
        .page-header h1 {
            font-size: 26px;
        }
        .page-header .page-desc {
            font-size: 15px;
        }
    }

    /* ========== BUTTONS ========== */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        font-size: 15px;
        font-weight: 600;
        padding: 12px 28px;
        border-radius: var(--radius-btn);
        transition: all var(--transition-med);
        letter-spacing: 0.01em;
        line-height: 1.4;
        text-decoration: none;
    }

    .btn-primary {
        background: var(--color-deep-green);
        color: var(--color-white);
        border: 1px solid var(--color-deep-green);
    }

    .btn-primary:hover {
        background: var(--color-ink);
        border-color: var(--color-ink);
        color: var(--color-white);
        transform: translateY(-1px);
        box-shadow: var(--shadow-card);
    }

    .btn-primary:hover .btn-arrow {
        transform: translateX(4px);
    }

    .btn-outline {
        background: transparent;
        color: var(--color-deep-green);
        border: 1px solid rgba(14, 63, 58, 0.35);
    }

    .btn-outline:hover {
        background: var(--color-deep-green);
        border-color: var(--color-deep-green);
        color: var(--color-white);
        transform: translateY(-1px);
    }

    .btn-gold {
        background: var(--color-gold);
        color: var(--color-ink);
        border: 1px solid var(--color-gold);
    }

    .btn-gold:hover {
        background: var(--color-ink);
        border-color: var(--color-ink);
        color: var(--color-white);
        transform: translateY(-1px);
    }

    .btn-arrow {
        display: inline-flex;
        transition: transform var(--transition-fast);
        font-size: 16px;
    }

    .btn-sm {
        padding: 8px 18px;
        font-size: 13px;
        font-weight: 500;
    }

    /* ========== BADGE / TAG ========== */
    .badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 12px;
        font-weight: 500;
        padding: 4px 12px;
        border-radius: var(--radius-tag);
        letter-spacing: 0.02em;
        white-space: nowrap;
    }

    .badge-green {
        background: rgba(31, 157, 99, 0.12);
        color: #0E7A4E;
    }

    .badge-gold {
        background: rgba(198, 161, 91, 0.14);
        color: #85662F;
    }

    .badge-muted {
        background: rgba(17, 22, 27, 0.06);
        color: var(--color-text-muted);
    }

    .badge-deep {
        background: var(--color-deep-green);
        color: var(--color-white);
    }

    /* ========== CARDS ========== */
    .card {
        background: var(--color-bg-card);
        border-radius: var(--radius-card);
        border: 1px solid var(--color-line-light);
        box-shadow: var(--shadow-card);
        overflow: hidden;
        transition: all var(--transition-med);
    }

    .card:hover {
        box-shadow: var(--shadow-card-hover);
        transform: translateY(-4px);
    }

    .card-img {
        width: 100%;
        height: 200px;
        object-fit: cover;
        display: block;
        transition: transform var(--transition-med);
    }

    .card:hover .card-img {
        transform: scale(1.03);
    }

    .card-body {
        padding: 20px 24px;
    }

    .card-body h3 {
        font-size: 18px;
        font-weight: 600;
        color: var(--color-ink);
        line-height: 1.4;
        margin-bottom: 10px;
    }

    .card-body p {
        font-size: 14px;
        line-height: 1.8;
        color: var(--color-text-body);
        margin-bottom: 14px;
    }

    .card-meta {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 12px;
        color: var(--color-text-muted);
        margin-bottom: 12px;
    }

    /* ========== NEWS LIST ========== */
    .news-list {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 0;
    }

    .news-item {
        display: flex;
        gap: 20px;
        padding: 24px 0;
        border-bottom: 1px solid var(--color-line-light);
        transition: background var(--transition-fast);
        border-radius: 8px;
    }

    .news-item:first-child {
        padding-top: 0;
    }

    .news-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }

    .news-date {
        min-width: 80px;
        flex-shrink: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 4px;
    }

    .news-date .date-day {
        font-family: var(--font-number);
        font-size: 28px;
        font-weight: 700;
        color: var(--color-deep-green);
        line-height: 1.1;
    }

    .news-date .date-month {
        font-size: 12px;
        color: var(--color-text-muted);
        letter-spacing: 0.05em;
        text-transform: uppercase;
    }

    .news-content {
        flex: 1;
        min-width: 0;
    }

    .news-content h3 {
        font-size: 18px;
        font-weight: 600;
        color: var(--color-ink);
        line-height: 1.45;
        margin-bottom: 8px;
    }

    .news-content .news-summary {
        font-size: 14px;
        line-height: 1.8;
        color: var(--color-text-body);
        margin-bottom: 12px;
    }

    .news-content .read-more-link {
        font-size: 13px;
        font-weight: 600;
        color: var(--color-deep-green);
        display: inline-flex;
        align-items: center;
        gap: 4px;
        transition: all var(--transition-fast);
        letter-spacing: 0.02em;
    }

    .news-content .read-more-link:hover {
        color: var(--color-ink);
        text-decoration: none;
    }

    .news-content .read-more-link .arrow {
        transition: transform var(--transition-fast);
    }

    .news-content .read-more-link:hover .arrow {
        transform: translateX(4px);
    }

    .news-img-link {
        flex-shrink: 0;
        width: 240px;
        border-radius: 12px;
        overflow: hidden;
    }

    .news-img-link img {
        width: 100%;
        height: 160px;
        object-fit: cover;
        transition: transform var(--transition-med);
    }

    .news-img-link:hover img {
        transform: scale(1.04);
    }

    @media (max-width: 768px) {
        .news-item {
            flex-direction: column;
            gap: 12px;
        }
        .news-date {
            min-width: auto;
            flex-direction: row;
            align-items: baseline;
            gap: 8px;
            padding-top: 0;
        }
        .news-date .date-day {
            font-size: 20px;
        }
        .news-img-link {
            width: 100%;
        }
        .news-img-link img {
            height: 180px;
        }
    }

    /* ========== TIMELINE ========== */
    .timeline {
        position: relative;
        padding-left: 32px;
    }

    .timeline::before {
        content: '';
        position: absolute;
        left: 8px;
        top: 6px;
        bottom: 6px;
        width: 2px;
        background: var(--color-line-light);
        border-radius: 2px;
    }

    .timeline-item {
        position: relative;
        padding-bottom: 32px;
    }

    .timeline-item:last-child {
        padding-bottom: 0;
    }

    .timeline-item::before {
        content: '';
        position: absolute;
        left: -28px;
        top: 8px;
        width: 12px;
        height: 12px;
        border-radius: 50%;
        background: var(--color-gold);
        border: 3px solid var(--color-sand);
        box-shadow: 0 0 0 2px var(--color-gold);
        z-index: 1;
    }

    .timeline-item .tl-content {
        background: var(--color-bg-card);
        border-radius: var(--radius-card);
        border: 1px solid var(--color-line-light);
        padding: 20px 24px;
        box-shadow: var(--shadow-card);
        transition: all var(--transition-med);
    }

    .timeline-item .tl-content:hover {
        box-shadow: var(--shadow-card-hover);
        transform: translateY(-2px);
    }

    .tl-year {
        font-family: var(--font-number);
        font-size: 14px;
        font-weight: 700;
        color: var(--color-gold);
        letter-spacing: 0.05em;
        display: block;
        margin-bottom: 6px;
    }

    .tl-content h3 {
        font-size: 17px;
        font-weight: 600;
        color: var(--color-ink);
        margin-bottom: 8px;
    }

    .tl-content p {
        font-size: 14px;
        line-height: 1.8;
        color: var(--color-text-body);
    }

    /* ========== MEDIA QUOTE ========== */
    .quote-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 24px;
    }

    .quote-card {
        background: var(--color-bg-card);
        border-radius: var(--radius-card);
        border: 1px solid var(--color-line-light);
        padding: 28px 24px;
        box-shadow: var(--shadow-card);
        transition: all var(--transition-med);
        display: flex;
        flex-direction: column;
    }

    .quote-card:hover {
        box-shadow: var(--shadow-card-hover);
        transform: translateY(-4px);
    }

    .quote-mark {
        font-size: 40px;
        line-height: 1;
        color: var(--color-gold);
        font-weight: 700;
        margin-bottom: 12px;
        font-family: Georgia, serif;
    }

    .quote-card blockquote {
        font-size: 15px;
        line-height: 1.9;
        color: var(--color-text-body);
        font-style: normal;
        margin-bottom: 16px;
        flex: 1;
    }

    .quote-card cite {
        font-size: 13px;
        color: var(--color-text-muted);
        font-style: normal;
        display: block;
        font-weight: 500;
    }

    /* ========== VISUAL GRID ========== */
    .visual-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
    }

    .visual-card {
        border-radius: var(--radius-card);
        overflow: hidden;
        border: 1px solid var(--color-line-light);
        box-shadow: var(--shadow-card);
        transition: all var(--transition-med);
        position: relative;
        background: var(--color-bg-card);
    }

    .visual-card img {
        width: 100%;
        height: 240px;
        object-fit: cover;
        display: block;
        transition: transform var(--transition-med);
    }

    .visual-card:hover {
        box-shadow: var(--shadow-card-hover);
        transform: translateY(-4px);
    }

    .visual-card:hover img {
        transform: scale(1.04);
    }

    .visual-card .visual-caption {
        padding: 12px 16px;
        font-size: 13px;
        color: var(--color-text-muted);
        background: var(--color-bg-card);
        border-top: 1px solid var(--color-line-light);
        line-height: 1.6;
    }

    @media (max-width: 1024px) {
        .visual-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (max-width: 640px) {
        .visual-grid {
            grid-template-columns: 1fr;
        }
        .visual-card img {
            height: 200px;
        }
    }

    /* ========== SAFETY NOTICE ========== */
    .safety-panel {
        background: rgba(181, 71, 63, 0.06);
        border: 1px solid rgba(181, 71, 63, 0.15);
        border-radius: var(--radius-card);
        padding: 28px 32px;
        display: flex;
        align-items: flex-start;
        gap: 16px;
    }

    .safety-panel .safety-icon {
        font-size: 28px;
        color: var(--color-red-muted);
        flex-shrink: 0;
        line-height: 1;
        margin-top: 2px;
    }

    .safety-panel h3 {
        font-size: 17px;
        font-weight: 600;
        color: var(--color-ink);
        margin-bottom: 8px;
    }

    .safety-panel p {
        font-size: 14px;
        line-height: 1.9;
        color: var(--color-text-body);
    }

    /* ========== SUBSCRIBE CTA ========== */
    .subscribe-cta {
        background: var(--color-deep-green);
        border-radius: var(--radius-card);
        padding: 48px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 32px;
        box-shadow: var(--shadow-card-hover);
    }

    .subscribe-cta .cta-text h2 {
        font-size: 26px;
        font-weight: 700;
        color: var(--color-white);
        letter-spacing: -0.01em;
        margin-bottom: 10px;
    }

    .subscribe-cta .cta-text p {
        font-size: 15px;
        color: rgba(245, 241, 232, 0.8);
        line-height: 1.8;
        max-width: 520px;
    }

    .subscribe-form {
        display: flex;
        gap: 12px;
        flex-shrink: 0;
        min-width: 0;
        width: 100%;
        max-width: 420px;
    }

    .subscribe-form input {
        background: rgba(245, 241, 232, 0.1);
        border: 1px solid rgba(245, 241, 232, 0.25);
        color: var(--color-white);
        border-radius: var(--radius-btn);
        padding: 14px 18px;
        flex: 1;
        min-width: 0;
    }

    .subscribe-form input::placeholder {
        color: rgba(245, 241, 232, 0.5);
    }

    .subscribe-form input:focus {
        border-color: var(--color-gold);
        box-shadow: 0 0 0 3px rgba(198, 161, 91, 0.2);
        outline: none;
        background: rgba(245, 241, 232, 0.15);
    }

    .subscribe-form .btn-gold {
        flex-shrink: 0;
    }

    @media (max-width: 768px) {
        .subscribe-cta {
            flex-direction: column;
            align-items: flex-start;
            padding: 32px 24px;
        }
        .subscribe-form {
            max-width: 100%;
            flex-direction: column;
        }
        .subscribe-form .btn-gold {
            width: 100%;
        }
    }

    /* ========== SECTION HEADINGS ========== */
    .section-heading {
        margin-bottom: 40px;
    }

    .section-heading h2 {
        font-size: 28px;
        font-weight: 700;
        color: var(--color-ink);
        letter-spacing: -0.015em;
        line-height: 1.3;
        margin-bottom: 10px;
    }

    .section-heading p {
        font-size: 15px;
        line-height: 1.85;
        color: var(--color-text-muted);
        max-width: 640px;
    }

    @media (max-width: 640px) {
        .section-heading h2 {
            font-size: 22px;
        }
        .section-heading {
            margin-bottom: 28px;
        }
    }

    /* ========== FOOTER ========== */
    .site-footer {
        background: var(--color-ink);
        color: rgba(245, 241, 232, 0.75);
        padding: 64px 0 28px;
    }

    .site-footer .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 48px;
    }

    .site-footer .footer-brand h3 {
        font-size: 22px;
        font-weight: 700;
        color: var(--color-white);
        margin-bottom: 14px;
        letter-spacing: -0.01em;
    }

    .site-footer .footer-brand p {
        font-size: 14px;
        line-height: 1.9;
        color: rgba(245, 241, 232, 0.62);
        max-width: 320px;
    }

    .site-footer .footer-col h4 {
        font-size: 15px;
        font-weight: 600;
        color: var(--color-white);
        margin-bottom: 16px;
        letter-spacing: 0.02em;
    }

    .site-footer .footer-col ul {
        list-style: none;
        padding: 0;
        margin: 0;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .site-footer .footer-col a {
        font-size: 14px;
        color: rgba(245, 241, 232, 0.7);
        transition: color var(--transition-fast);
        text-decoration: none;
    }

    .site-footer .footer-col a:hover {
        color: var(--color-gold);
        text-decoration: underline;
        text-underline-offset: 3px;
    }

    .site-footer .footer-bottom {
        border-top: 1px solid var(--color-line-dark);
        padding-top: 24px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        flex-wrap: wrap;
        font-size: 13px;
        color: rgba(245, 241, 232, 0.55);
    }

    .site-footer .footer-bottom-links {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .site-footer .footer-bottom-links a {
        color: rgba(245, 241, 232, 0.7);
        text-decoration: underline;
        text-underline-offset: 3px;
        transition: color var(--transition-fast);
        font-size: 13px;
    }

    .site-footer .footer-bottom-links a:hover {
        color: var(--color-gold);
    }

    .site-footer .footer-bottom-links span {
        color: rgba(245, 241, 232, 0.35);
    }

    @media (max-width: 1024px) {
        .site-footer .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .site-footer .footer-brand {
            grid-column: span 2;
        }
    }

    @media (max-width: 640px) {
        .site-footer {
            padding: 40px 0 20px;
        }
        .site-footer .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .site-footer .footer-brand {
            grid-column: span 1;
        }
        .site-footer .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
        }
    }

    /* ========== RESPONSIVE NAV ========== */
    @media (max-width: 1024px) {
        .nav-links {
            gap: 20px;
        }
        .hot-tags-nav {
            display: none;
        }
        .nav-search {
            max-width: 180px;
        }
    }

    @media (max-width: 768px) {
        .channel-row .container {
            justify-content: space-between;
        }
        .nav-links {
            display: none;
        }
        .nav-actions {
            margin-left: auto;
        }
        .hot-tags-nav {
            display: none;
        }
        .hamburger {
            display: flex;
        }
        .mobile-drawer {
            display: flex;
        }
        .drawer-overlay {
            display: block;
        }
    }

    @media (max-width: 640px) {
        .top-brand-row .container {
            height: 60px;
        }
        .brand-logo {
            font-size: 22px;
        }
        .brand-meta {
            font-size: 12px;
            gap: 10px;
        }
        .brand-meta .subscribe-link {
            padding: 4px 10px;
            font-size: 12px;
        }
        .channel-row .container {
            height: 52px;
        }
        .nav-search {
            max-width: 140px;
        }
        .nav-search input {
            font-size: 13px;
            padding: 8px 10px;
        }
        .nav-search .search-icon-btn {
            padding: 0 8px;
        }
    }