/* roulang page: index */
:root {
            --bg-primary: #0F0E0C;
            --bg-secondary: #F2EDE4;
            --bg-card: #191714;
            --bg-card-light: #211E1A;
            --color-primary: #B4452E;
            --color-primary-dark: #8C2E1F;
            --color-accent: #D9A441;
            --text-primary: #F7F3EC;
            --text-muted: #C9C2B8;
            --text-dark: #1A1714;
            --border-color: rgba(255,255,255,0.16);
            --border-card: rgba(255,255,255,0.12);
            --border-hover: rgba(255,255,255,0.28);
            --radius-sm: 4px;
            --radius-md: 6px;
            --shadow-card: 0 8px 24px rgba(0,0,0,0.25);
            --shadow-card-hover: 0 12px 36px rgba(0,0,0,0.38);
            --font-title: "Noto Serif SC","Songti SC","SimSun",serif;
            --font-body: "Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
            --font-mono: "Roboto Mono","SFMono-Regular",monospace;
            --section-padding: 56px;
            --transition-base: 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: color var(--transition-base), opacity var(--transition-base);
        }

        a:hover {
            color: var(--color-accent);
            opacity: 0.85;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        :focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .grid-container {
            max-width: 1200px;
            padding-left: 16px;
            padding-right: 16px;
        }

        .section-block {
            padding: var(--section-padding) 0;
            position: relative;
        }

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

        .section-block--warm {
            background-color: var(--bg-secondary);
            color: var(--text-dark);
        }

        .section-block--warm .section-title,
        .section-block--warm .section-subtitle,
        .section-block--warm p {
            color: var(--text-dark);
        }

        .section-number {
            font-family: var(--font-mono);
            font-size: 13px;
            letter-spacing: 0.15em;
            color: var(--color-accent);
            text-transform: uppercase;
            display: block;
            margin-bottom: 8px;
        }

        .section-title {
            font-family: var(--font-title);
            font-size: 28px;
            line-height: 1.25;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-muted);
            margin-bottom: 32px;
            max-width: 720px;
        }

        .section-block--warm .section-subtitle {
            color: rgba(26,23,20,0.7);
        }

        /* ===== Header / Top Bar ===== */
        .site-header {
            background-color: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 0;
        }

        .site-header .top-bar {
            background-color: transparent;
            padding: 12px 0;
        }

        .site-header .top-bar,
        .site-header .top-bar ul {
            background-color: transparent;
        }

        .brand-logo {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .brand-logo:hover {
            color: var(--color-accent);
            opacity: 1;
        }

        .site-header .menu a {
            color: var(--text-muted);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 14px;
            letter-spacing: 0.03em;
            transition: color var(--transition-base);
        }

        .site-header .menu a:hover {
            color: var(--text-primary);
        }

        .site-header .menu .active > a {
            color: var(--text-primary);
            border-bottom: 2px solid var(--color-accent);
            padding-bottom: 6px;
        }

        .site-header .menu-icon {
            color: var(--text-primary);
        }

        .site-header .menu-icon::after {
            box-shadow: 0 7px 0 var(--text-primary), 0 14px 0 var(--text-primary);
        }

        /* ===== Pill Navigation ===== */
        .pill-nav-section {
            background-color: var(--bg-card);
            border-bottom: 1px solid var(--border-color);
            padding: 12px 0;
            overflow: hidden;
        }

        .pill-nav-track {
            display: flex;
            gap: 8px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 4px 0;
        }

        .pill-nav-track::-webkit-scrollbar {
            display: none;
        }

        .pill-nav-item {
            flex: 0 0 auto;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            border: 1px solid var(--border-color);
            background: transparent;
            white-space: nowrap;
            transition: all var(--transition-base);
            display: inline-block;
        }

        .pill-nav-item:hover {
            color: var(--text-primary);
            border-color: var(--border-hover);
            background: rgba(255,255,255,0.05);
        }

        .pill-nav-item.is-active {
            background: var(--color-primary);
            color: var(--text-primary);
            border-color: var(--color-primary);
            font-weight: 600;
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 72vh;
            display: flex;
            align-items: center;
            padding: 64px 0 56px;
            background-image: url('/assets/images/fa919279a09d6774.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15,14,12,0.55) 0%, rgba(15,14,12,0.82) 65%, rgba(15,14,12,0.95) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 860px;
        }

        .hero-brand {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.08em;
            display: block;
            margin-bottom: 12px;
        }

        .hero-title {
            font-family: var(--font-title);
            font-size: 40px;
            line-height: 1.25;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 18px;
            letter-spacing: 0.01em;
        }

        .hero-desc {
            font-size: 17px;
            line-height: 1.75;
            color: var(--text-muted);
            max-width: 680px;
            margin-bottom: 28px;
        }

        .hero-invite-card {
            background: rgba(25,23,20,0.88);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            max-width: 560px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            box-shadow: var(--shadow-card);
        }

        .invite-reward-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            font-family: var(--font-title);
        }

        .invite-reward-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .invite-progress-wrap {
            margin-bottom: 16px;
        }

        .invite-progress-label {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 6px;
            font-family: var(--font-mono);
        }

        .invite-progress-bar {
            width: 100%;
            height: 8px;
            background: rgba(255,255,255,0.1);
            border-radius: 999px;
            overflow: hidden;
            position: relative;
        }

        .invite-progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            border-radius: 999px;
            transition: width 0.6s ease;
            width: 40%;
        }

        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }

        /* ===== Buttons ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: var(--color-primary);
            color: var(--text-primary);
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            border: 1px solid var(--color-primary);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background-color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            color: var(--text-primary);
            opacity: 1;
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(1px);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--text-primary);
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            border: 1px solid var(--text-primary);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: rgba(255,255,255,0.05);
            color: var(--text-primary);
            opacity: 1;
            transform: translateY(-1px);
        }

        .btn-secondary:active {
            transform: translateY(1px);
        }

        /* ===== Cards ===== */
        .card-base {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            overflow: hidden;
        }

        .card-base:hover {
            transform: translateY(-2px);
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
        }

        .card-base img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }

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

        .card-title {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            margin-top: 10px;
        }

        .badge-region {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.04em;
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            white-space: nowrap;
        }

        .badge-region--jp {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        .badge-region--eu {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .badge-region--asia {
            border-color: var(--text-primary);
            color: var(--text-primary);
        }

        .badge-update {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 12px;
            color: var(--text-primary);
            background: rgba(255,255,255,0.08);
            padding: 3px 10px;
            border-radius: 999px;
            white-space: nowrap;
        }

        .badge-update .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #5CB85C;
            display: inline-block;
        }

        .tag-pill {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-color);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .tag-pill:hover {
            color: var(--text-primary);
            border-color: var(--border-hover);
            background: rgba(255,255,255,0.08);
        }

        .tag-pill.is-hot {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: var(--text-primary);
        }

        /* ===== Rankings ===== */
        .rank-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border-color);
            transition: background var(--transition-base);
        }

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

        .rank-number {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-accent);
            min-width: 46px;
            text-align: center;
            line-height: 1;
        }

        .rank-thumb {
            width: 72px;
            height: 48px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .rank-info {
            flex: 1;
            min-width: 0;
        }

        .rank-title {
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 2px;
        }

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

        .rank-heat {
            font-family: var(--font-mono);
            font-size: 14px;
            color: var(--color-accent);
            white-space: nowrap;
        }

        /* ===== Timeline / Calendar ===== */
        .timeline-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .timeline-item {
            display: flex;
            gap: 18px;
            padding: 14px 0;
            border-bottom: 1px dashed var(--border-color);
            align-items: flex-start;
        }

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

        .timeline-date {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            min-width: 82px;
            white-space: nowrap;
            padding-top: 2px;
        }

        .timeline-content {
            flex: 1;
        }

        .timeline-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== Accordion / FAQ ===== */
        .accordion-custom {
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-card);
        }

        .accordion-custom .accordion-item {
            border-bottom: 1px solid var(--border-card);
        }

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

        .accordion-custom .accordion-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            padding: 18px 22px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: color var(--transition-base);
            background: transparent;
        }

        .accordion-custom .accordion-title:hover {
            color: var(--color-accent);
        }

        .accordion-custom .accordion-title::after {
            content: '+';
            font-family: var(--font-mono);
            font-size: 22px;
            color: var(--text-muted);
            transition: transform 0.3s ease;
            flex-shrink: 0;
            margin-left: 12px;
        }

        .accordion-custom .accordion-item.is-active .accordion-title::after {
            content: '−';
            transform: rotate(180deg);
        }

        .accordion-custom .accordion-content {
            padding: 0 22px 18px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            display: none;
        }

        .accordion-custom .accordion-item.is-active .accordion-content {
            display: block;
        }

        /* ===== Testimonial ===== */
        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 24px 26px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            height: 100%;
            position: relative;
        }

        .testimonial-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-2px);
        }

        .testimonial-quote {
            font-size: 42px;
            font-family: var(--font-title);
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 8px;
            opacity: 0.55;
        }

        .testimonial-text {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-muted);
            margin-bottom: 14px;
        }

        .testimonial-author {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .testimonial-author .device-tag {
            font-family: var(--font-mono);
            font-size: 12px;
            padding: 2px 8px;
            border-radius: 4px;
            background: rgba(255,255,255,0.06);
        }

        /* ===== Data / Metrics ===== */
        .metric-block {
            text-align: center;
            padding: 28px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
        }

        .metric-block:hover {
            border-color: var(--border-hover);
            transform: translateY(-2px);
        }

        .metric-number {
            font-family: var(--font-title);
            font-size: 46px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            display: block;
            margin-bottom: 8px;
        }

        .metric-label {
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.05em;
        }

        .metric-unit {
            font-size: 18px;
            font-weight: 500;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: 56px 0;
            text-align: center;
        }

        .cta-title {
            font-family: var(--font-title);
            font-size: 30px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .cta-desc {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

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

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-primary);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 32px;
        }

        .site-footer .footer-brand {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .site-footer .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .site-footer h5 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
            font-family: var(--font-title);
        }

        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .site-footer ul a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition-base);
        }

        .site-footer ul a:hover {
            color: var(--text-primary);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            margin-top: 32px;
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 32px;
            }
            .section-title {
                font-size: 24px;
            }
            .metric-number {
                font-size: 36px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding: 40px;
            }
            .hero-section {
                min-height: auto;
                padding: 40px 0 36px;
                background-position: center top;
            }
            .hero-title {
                font-size: 26px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-invite-card {
                padding: 18px 18px;
            }
            .section-title {
                font-size: 22px;
            }
            .metric-number {
                font-size: 32px;
            }
            .brand-logo {
                font-size: 16px;
                white-space: normal;
                word-break: break-all;
            }
            .cta-title {
                font-size: 24px;
            }
        }

        @media (max-width: 520px) {
            .section-block {
                padding: 32px 0;
            }
            .hero-title {
                font-size: 22px;
            }
            .hero-section {
                padding: 32px 0 28px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
            }
            .invite-progress-label {
                font-size: 11px;
            }
            .rank-number {
                font-size: 22px;
                min-width: 34px;
            }
            .rank-thumb {
                width: 56px;
                height: 38px;
            }
            .metric-number {
                font-size: 28px;
            }
            .section-title {
                font-size: 20px;
            }
            .pill-nav-item {
                padding: 6px 14px;
                font-size: 13px;
            }
        }

        @media (max-width: 400px) {
            .brand-logo {
                font-size: 14px;
            }
            .hero-title {
                font-size: 20px;
            }
            .card-title {
                font-size: 16px;
            }
        }

/* roulang page: category1 */
:root {
        --bg-primary: #0F0E0C;
        --bg-secondary: #F2EDE4;
        --bg-card: #191714;
        --bg-card-light: #211E1A;
        --color-primary: #B4452E;
        --color-primary-dark: #8C2E1F;
        --color-accent: #D9A441;
        --text-primary: #F7F3EC;
        --text-muted: #C9C2B8;
        --text-dark: #1A1714;
        --border-color: rgba(255,255,255,0.16);
        --border-card: rgba(255,255,255,0.12);
        --border-hover: rgba(255,255,255,0.28);
        --radius-sm: 4px;
        --radius-md: 6px;
        --shadow-card: 0 8px 24px rgba(0,0,0,0.25);
        --shadow-card-hover: 0 12px 36px rgba(0,0,0,0.38);
        --font-title: "Noto Serif SC","Songti SC","SimSun",serif;
        --font-body: "Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
        --font-mono: "Roboto Mono","SFMono-Regular",monospace;
        --section-padding: 48px;
        --transition-base: 0.25s ease;
    }
    
    html {
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    
    body {
        font-family: var(--font-body);
        font-size: 16px;
        line-height: 1.75;
        color: var(--text-primary);
        background-color: var(--bg-primary);
        overflow-x: hidden;
        margin: 0;
    }
    
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    
    a {
        color: var(--text-primary);
        text-decoration: none;
        transition: color var(--transition-base), opacity var(--transition-base), border-color var(--transition-base);
    }
    
    a:hover {
        color: var(--color-accent);
        opacity: 0.9;
    }
    
    button,
    input,
    select,
    textarea {
        font-family: var(--font-body);
        font-size: inherit;
        line-height: inherit;
    }
    
    button {
        cursor: pointer;
        border: none;
        background: none;
    }
    
    .grid-container {
        max-width: 1200px;
        padding-left: 16px;
        padding-right: 16px;
    }
    
    .section-block {
        padding: var(--section-padding) 0;
        position: relative;
    }
    
    .section-block--alt {
        background-color: var(--bg-card);
        border-top: 1px solid var(--border-color);
        border-bottom: 1px solid var(--border-color);
    }
    
    .section-block--warm {
        background-color: var(--bg-secondary);
        color: var(--text-dark);
    }
    
    .section-block--warm .section-title,
    .section-block--warm .section-subtitle,
    .section-block--warm p {
        color: var(--text-dark);
    }
    
    .section-number {
        font-family: var(--font-mono);
        font-size: 13px;
        letter-spacing: 0.15em;
        color: var(--color-accent);
        text-transform: uppercase;
        display: block;
        margin-bottom: 8px;
    }
    
    .section-title {
        font-family: var(--font-title);
        font-size: 28px;
        line-height: 1.3;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 12px;
    }
    
    .section-subtitle {
        font-size: 16px;
        line-height: 1.75;
        color: var(--text-muted);
        margin-bottom: 28px;
        max-width: 720px;
    }
    
    /* ===== Header / Top Bar ===== */
    .site-header {
        background-color: var(--bg-primary);
        border-bottom: 1px solid var(--border-color);
        position: sticky;
        top: 0;
        z-index: 100;
        padding: 0;
    }
    
    .site-header .top-bar {
        background-color: transparent;
        padding: 14px 0;
    }
    
    .site-header .top-bar,
    .site-header .top-bar ul {
        background-color: transparent;
    }
    
    .brand-logo {
        font-family: var(--font-title);
        font-size: 19px;
        font-weight: 700;
        color: var(--text-primary);
        line-height: 1.3;
        letter-spacing: 0.02em;
        white-space: nowrap;
    }
    
    .brand-logo:hover {
        color: var(--color-accent);
        opacity: 1;
    }
    
    .site-header .menu {
        display: flex;
        align-items: center;
        gap: 4px;
        flex-wrap: wrap;
    }
    
    .site-header .menu li {
        list-style: none;
    }
    
    .site-header .menu a {
        color: var(--text-muted);
        font-size: 14px;
        font-weight: 500;
        padding: 8px 14px;
        letter-spacing: 0.03em;
        transition: color var(--transition-base);
    }
    
    .site-header .menu a:hover {
        color: var(--text-primary);
    }
    
    .site-header .menu .active > a {
        color: var(--text-primary);
        border-bottom: 2px solid var(--color-accent);
        padding-bottom: 6px;
    }
    
    .site-header .menu-icon {
        color: var(--text-primary);
        cursor: pointer;
    }
    
    .site-header .menu-icon::after {
        box-shadow: 0 7px 0 var(--text-primary), 0 14px 0 var(--text-primary);
    }
    
    /* ===== Breadcrumb ===== */
    .breadcrumb-bar {
        padding: 16px 0 0;
        font-size: 13px;
        color: var(--text-muted);
    }
    
    .breadcrumb-bar a {
        color: var(--text-muted);
    }
    
    .breadcrumb-bar a:hover {
        color: var(--color-accent);
    }
    
    .breadcrumb-bar .separator {
        margin: 0 8px;
        color: var(--border-color);
    }
    
    /* ===== Category H1 Block ===== */
    .category-head {
        padding: 24px 0 32px;
        border-bottom: 1px solid var(--border-color);
        margin-bottom: 16px;
    }
    
    .category-h1 {
        font-family: var(--font-title);
        font-size: 36px;
        line-height: 1.3;
        font-weight: 700;
        color: var(--text-primary);
        margin: 12px 0 16px;
    }
    
    .category-intro {
        font-size: 16px;
        line-height: 1.8;
        color: var(--text-muted);
        max-width: 820px;
        margin: 0;
    }
    
    /* ===== Filter Toolbar ===== */
    .filter-toolbar {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 10px;
        margin: 24px 0 20px;
    }
    
    .filter-chip {
        padding: 8px 18px;
        border-radius: 999px;
        font-size: 13px;
        font-weight: 500;
        color: var(--text-muted);
        border: 1px solid var(--border-color);
        background: transparent;
        white-space: nowrap;
        transition: all var(--transition-base);
    }
    
    .filter-chip:hover {
        color: var(--text-primary);
        border-color: var(--border-hover);
    }
    
    .filter-chip.active {
        background-color: var(--color-primary);
        color: var(--text-primary);
        border-color: var(--color-primary);
    }
    
    .filter-select {
        margin-left: auto;
        padding: 8px 14px;
        border-radius: var(--radius-sm);
        border: 1px solid var(--border-color);
        background-color: var(--bg-card);
        color: var(--text-primary);
        font-size: 13px;
        cursor: pointer;
        outline: none;
    }
    
    .filter-select:focus {
        border-color: var(--color-accent);
    }
    
    .filter-select option {
        background-color: var(--bg-card);
        color: var(--text-primary);
    }
    
    /* ===== Card Grid ===== */
    .card-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 16px;
    }
    
    @media (min-width: 640px) {
        .card-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    
    @media (min-width: 1024px) {
        .card-grid {
            grid-template-columns: repeat(3, 1fr);
        }
    }
    
    .media-card {
        background-color: var(--bg-card);
        border-radius: var(--radius-md);
        border: 1px solid var(--border-card);
        overflow: hidden;
        box-shadow: var(--shadow-card);
        transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        display: flex;
        flex-direction: column;
    }
    
    .media-card:hover {
        transform: translateY(-2px);
        border-color: var(--border-hover);
        box-shadow: var(--shadow-card-hover);
    }
    
    .media-card:focus-within {
        outline: 2px solid var(--color-accent);
        outline-offset: 2px;
    }
    
    .media-card-image {
        position: relative;
        overflow: hidden;
        aspect-ratio: 16 / 9;
        background-color: #25221E;
    }
    
    .media-card-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.4s ease;
    }
    
    .media-card:hover .media-card-image img {
        transform: scale(1.03);
    }
    
    .media-card-region {
        position: absolute;
        top: 12px;
        left: 12px;
        padding: 4px 10px;
        border-radius: 3px;
        font-size: 12px;
        font-weight: 600;
        letter-spacing: 0.04em;
        background-color: rgba(15,14,12,0.75);
        border: 1px solid var(--color-primary);
        color: var(--text-primary);
    }
    
    .media-card-quality {
        position: absolute;
        top: 12px;
        right: 12px;
        padding: 4px 8px;
        border-radius: 3px;
        font-size: 11px;
        font-weight: 500;
        background-color: rgba(15,14,12,0.7);
        border: 1px solid rgba(255,255,255,0.25);
        color: var(--text-primary);
    }
    
    .media-card-body {
        padding: 16px 18px 18px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }
    
    .media-card-title {
        font-family: var(--font-title);
        font-size: 18px;
        line-height: 1.4;
        font-weight: 700;
        color: var(--text-primary);
        margin: 0 0 10px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    
    .media-card-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 8px 16px;
        font-size: 13px;
        color: var(--text-muted);
        margin-top: auto;
    }
    
    .media-card-meta span {
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }
    
    .meta-dot {
        width: 4px;
        height: 4px;
        border-radius: 50%;
        background-color: var(--color-accent);
        display: inline-block;
    }
    
    /* ===== Ranking List ===== */
    .rank-list {
        counter-reset: rank-counter;
        list-style: none;
        margin: 0;
        padding: 0;
    }
    
    .rank-item {
        counter-increment: rank-counter;
        display: flex;
        align-items: center;
        gap: 16px;
        padding: 14px 16px;
        background-color: var(--bg-card);
        border-radius: var(--radius-md);
        border: 1px solid var(--border-card);
        margin-bottom: 10px;
        transition: all var(--transition-base);
    }
    
    .rank-item:hover {
        border-color: var(--border-hover);
        background-color: var(--bg-card-light);
        transform: translateX(2px);
    }
    
    .rank-number {
        font-family: var(--font-mono);
        font-size: 22px;
        font-weight: 700;
        color: var(--color-accent);
        min-width: 36px;
        text-align: center;
        flex-shrink: 0;
    }
    
    .rank-item:nth-child(1) .rank-number {
        color: var(--color-primary);
        font-size: 26px;
    }
    
    .rank-thumb {
        width: 72px;
        height: 48px;
        border-radius: 4px;
        overflow: hidden;
        flex-shrink: 0;
    }
    
    .rank-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    .rank-info {
        flex: 1;
        min-width: 0;
    }
    
    .rank-title {
        font-family: var(--font-title);
        font-size: 15px;
        font-weight: 600;
        color: var(--text-primary);
        margin: 0 0 4px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .rank-meta {
        font-size: 12px;
        color: var(--text-muted);
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
    }
    
    .rank-heat {
        font-family: var(--font-mono);
        font-size: 13px;
        color: var(--color-accent);
        font-weight: 600;
        flex-shrink: 0;
    }
    
    /* ===== Timeline / Calendar ===== */
    .timeline-list {
        list-style: none;
        margin: 0;
        padding: 0;
        position: relative;
        padding-left: 24px;
    }
    
    .timeline-list::before {
        content: '';
        position: absolute;
        left: 8px;
        top: 4px;
        bottom: 4px;
        width: 1px;
        background: var(--border-color);
    }
    
    .timeline-item {
        position: relative;
        padding: 12px 0 12px 16px;
        margin-bottom: 8px;
    }
    
    .timeline-item::before {
        content: '';
        position: absolute;
        left: -20px;
        top: 20px;
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background-color: var(--color-primary);
        border: 2px solid var(--bg-primary);
        box-shadow: 0 0 0 2px var(--color-primary);
    }
    
    .timeline-item:nth-child(even)::before {
        background-color: var(--color-accent);
        box-shadow: 0 0 0 2px var(--color-accent);
    }
    
    .timeline-date {
        font-family: var(--font-mono);
        font-size: 13px;
        color: var(--color-accent);
        font-weight: 600;
        display: block;
        margin-bottom: 4px;
    }
    
    .timeline-desc {
        font-size: 14px;
        color: var(--text-primary);
        margin: 0;
    }
    
    .timeline-count {
        font-size: 12px;
        color: var(--text-muted);
        font-weight: 400;
    }
    
    /* ===== Topic Cards ===== */
    .topic-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    @media (min-width: 640px) {
        .topic-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    
    @media (min-width: 1024px) {
        .topic-grid {
            grid-template-columns: repeat(3, 1fr);
        }
    }
    
    .topic-card {
        position: relative;
        border-radius: var(--radius-md);
        overflow: hidden;
        aspect-ratio: 16 / 10;
        display: flex;
        align-items: flex-end;
        border: 1px solid var(--border-card);
        box-shadow: var(--shadow-card);
        transition: transform var(--transition-base), box-shadow var(--transition-base);
    }
    
    .topic-card:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-card-hover);
    }
    
    .topic-card img {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    .topic-card-overlay {
        position: relative;
        z-index: 2;
        padding: 20px;
        background: linear-gradient(to top, rgba(15,14,12,0.88), rgba(15,14,12,0.25), transparent);
        width: 100%;
    }
    
    .topic-card-title {
        font-family: var(--font-title);
        font-size: 18px;
        font-weight: 700;
        color: var(--text-primary);
        margin: 0 0 6px;
    }
    
    .topic-card-desc {
        font-size: 13px;
        color: var(--text-muted);
        margin: 0;
    }
    
    /* ===== Compatibility Section ===== */
    .compat-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 14px;
    }
    
    @media (min-width: 640px) {
        .compat-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    
    @media (min-width: 1024px) {
        .compat-grid {
            grid-template-columns: repeat(4, 1fr);
        }
    }
    
    .compat-item {
        background-color: var(--bg-card);
        border: 1px solid var(--border-card);
        border-radius: var(--radius-md);
        padding: 18px 16px;
        text-align: center;
        transition: all var(--transition-base);
    }
    
    .compat-item:hover {
        border-color: var(--border-hover);
        background-color: var(--bg-card-light);
    }
    
    .compat-icon {
        font-size: 28px;
        display: block;
        margin-bottom: 10px;
    }
    
    .compat-name {
        font-size: 15px;
        font-weight: 600;
        color: var(--text-primary);
        margin: 0 0 4px;
    }
    
    .compat-desc {
        font-size: 13px;
        color: var(--text-muted);
        margin: 0;
    }
    
    /* ===== CTA Section ===== */
    .cta-box {
        background-color: var(--bg-card);
        border: 1px solid var(--border-card);
        border-radius: var(--radius-md);
        padding: 36px 28px;
        text-align: center;
        box-shadow: var(--shadow-card);
    }
    
    .cta-title {
        font-family: var(--font-title);
        font-size: 26px;
        font-weight: 700;
        color: var(--text-primary);
        margin: 0 0 10px;
    }
    
    .cta-desc {
        font-size: 15px;
        color: var(--text-muted);
        margin: 0 auto 24px;
        max-width: 520px;
    }
    
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 24px;
        border-radius: var(--radius-sm);
        font-size: 15px;
        font-weight: 600;
        letter-spacing: 0.02em;
        transition: all var(--transition-base);
        text-align: center;
        white-space: nowrap;
    }
    
    .btn:focus {
        outline: 2px solid var(--color-accent);
        outline-offset: 2px;
    }
    
    .btn:active {
        transform: translateY(1px);
    }
    
    .btn-primary {
        background-color: var(--color-primary);
        color: var(--text-primary);
        border: 1px solid var(--color-primary);
    }
    
    .btn-primary:hover {
        background-color: var(--color-primary-dark);
        border-color: var(--color-primary-dark);
        color: var(--text-primary);
        opacity: 1;
    }
    
    .btn-outline {
        background-color: transparent;
        color: var(--text-primary);
        border: 1px solid var(--text-muted);
    }
    
    .btn-outline:hover {
        background-color: rgba(255,255,255,0.05);
        border-color: var(--text-primary);
        color: var(--text-primary);
        opacity: 1;
    }
    
    /* ===== Footer ===== */
    .site-footer {
        background-color: var(--bg-primary);
        border-top: 1px solid var(--border-color);
        padding: 48px 0 24px;
        margin-top: 0;
    }
    
    .footer-brand {
        font-family: var(--font-title);
        font-size: 18px;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 10px;
    }
    
    .footer-desc {
        font-size: 13px;
        color: var(--text-muted);
        line-height: 1.7;
        margin: 0 0 16px;
    }
    
    .site-footer h5 {
        font-family: var(--font-title);
        font-size: 15px;
        font-weight: 700;
        color: var(--text-primary);
        margin: 0 0 14px;
    }
    
    .site-footer ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    
    .site-footer ul li {
        margin-bottom: 8px;
    }
    
    .site-footer ul a {
        color: var(--text-muted);
        font-size: 13px;
        transition: color var(--transition-base);
    }
    
    .site-footer ul a:hover {
        color: var(--color-accent);
    }
    
    .footer-bottom {
        border-top: 1px solid var(--border-color);
        margin-top: 32px;
        padding-top: 20px;
        text-align: center;
        font-size: 12px;
        color: var(--text-muted);
    }
    
    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        :root {
            --section-padding: 36px;
        }
        .category-h1 {
            font-size: 30px;
        }
        .section-title {
            font-size: 24px;
        }
    }
    
    @media (max-width: 768px) {
        .category-h1 {
            font-size: 26px;
        }
        .section-title {
            font-size: 22px;
        }
        .cta-title {
            font-size: 22px;
        }
        .brand-logo {
            font-size: 16px;
        }
        .filter-toolbar {
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding-bottom: 4px;
        }
        .filter-toolbar::-webkit-scrollbar {
            display: none;
        }
        .filter-select {
            margin-left: 0;
            flex-shrink: 0;
        }
    }
    
    @media (max-width: 520px) {
        .category-h1 {
            font-size: 22px;
        }
        .section-title {
            font-size: 20px;
        }
        .brand-logo {
            font-size: 14px;
            white-space: normal;
            line-height: 1.4;
        }
        .site-header .menu a {
            padding: 6px 10px;
            font-size: 13px;
        }
        .rank-thumb {
            width: 56px;
            height: 40px;
        }
        .rank-number {
            font-size: 18px;
            min-width: 28px;
        }
        .cta-box {
            padding: 28px 18px;
        }
        .btn {
            padding: 10px 18px;
            font-size: 14px;
            width: 100%;
        }
        .compat-grid {
            grid-template-columns: 1fr;
        }
        .topic-grid {
            grid-template-columns: 1fr;
        }
    }
    
    /* Foundation overrides */
    .top-bar,
    .top-bar ul,
    .top-bar-left,
    .top-bar-right {
        background-color: transparent;
    }
    
    .top-bar-right {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    
    .top-bar-right .menu {
        display: flex;
        align-items: center;
        gap: 4px;
    }
    
    .menu-icon {
        display: none;
    }
    
    @media (max-width: 768px) {
        .menu-icon {
            display: inline-block;
            cursor: pointer;
            margin-left: 12px;
        }
        .top-bar-right .menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background-color: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
            flex-direction: column;
            gap: 0;
            padding: 12px 16px;
            z-index: 99;
        }
        .top-bar-right .menu.is-open {
            display: flex;
        }
        .top-bar-right .menu li {
            width: 100%;
        }
        .top-bar-right .menu a {
            display: block;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-card);
            font-size: 15px;
        }
        .top-bar-right .menu li:last-child a {
            border-bottom: none;
        }
        .site-header .menu .active > a {
            border-bottom: 2px solid var(--color-accent);
            padding-bottom: 8px;
        }
    }