/* roulang page: index */
:root {
            --bg: #171416;
            --bg-soft: #211c1e;
            --bg-raised: #282124;
            --plum: #55283d;
            --plum-light: #75405a;
            --coral: #d56a55;
            --paper: #f1e9dc;
            --text: #f5efe8;
            --muted: #b6aaa6;
            --line: rgba(241, 233, 220, .14);
            --radius: 7px;
            --shadow: 0 14px 40px rgba(0, 0, 0, .22);
            --content: 1220px;
        }
        * { box-sizing: border-box; }
        html { scroll-behavior: smooth; scroll-padding-top: 90px; }
        body { margin: 0; background: var(--bg); color: var(--text); font-family: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif; font-size: 15px; line-height: 1.7; }
        a { color: inherit; text-decoration: none; }
        img { display: block; max-width: 100%; }
        button, select { font: inherit; }
        button { color: inherit; }
        :focus-visible { outline: 3px solid var(--coral); outline-offset: 3px; }
        .container { width: min(var(--content), calc(100% - 48px)); margin-inline: auto; }
        .site-header { position: sticky; top: 0; z-index: 20; background: rgba(23, 20, 22, .96); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
        .nav-wrap { min-height: 76px; display: flex; align-items: center; gap: 30px; }
        .brand { display: flex; align-items: center; gap: 11px; flex: 0 0 auto; font-weight: 800; line-height: 1.25; }
        .brand-mark { width: 38px; height: 38px; display: grid; place-items: center; background: var(--plum); color: var(--paper); border-radius: 4px; font-size: 16px; }
        .brand-name { max-width: 180px; font-size: 14px; }
        .main-nav { display: flex; align-items: center; justify-content: center; gap: 22px; margin-left: auto; }
        .main-nav a { position: relative; padding: 26px 0; color: var(--muted); font-size: 13px; white-space: nowrap; transition: color .2s ease; }
        .main-nav a:hover, .main-nav a.active { color: var(--text); }
        .main-nav a.active::after { content: ""; position: absolute; bottom: 17px; left: 0; width: 20px; height: 2px; background: var(--coral); }
        .nav-actions { display: flex; align-items: center; gap: 14px; }
        .age-note { color: var(--muted); font-size: 12px; white-space: nowrap; }
        .menu-toggle { display: none; border: 1px solid var(--line); background: transparent; width: 42px; height: 42px; border-radius: 4px; cursor: pointer; }
        .button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 45px; padding: 0 19px; border: 1px solid transparent; border-radius: 4px; background: var(--plum); color: #fff; font-size: 14px; font-weight: 700; transition: transform .2s, background .2s, border-color .2s; cursor: pointer; }
        .button:hover { background: var(--plum-light); transform: translateY(-2px); }
        .button-secondary { background: transparent; border-color: rgba(241,233,220,.45); color: var(--text); }
        .button-secondary:hover { background: rgba(241,233,220,.08); border-color: var(--paper); }
        .button-coral { background: var(--coral); color: #211816; }
        .button-coral:hover { background: #e17c66; }
        .hero { min-height: 620px; position: relative; display: flex; align-items: end; overflow: hidden; background: #292125; }
        .hero-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 35%; opacity: .65; }
        .hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(17,14,16,.92) 0%, rgba(17,14,16,.68) 48%, rgba(17,14,16,.16) 100%), linear-gradient(0deg, rgba(17,14,16,.7), transparent 55%); }
        .hero-content { position: relative; z-index: 1; width: min(var(--content), calc(100% - 48px)); margin: 0 auto; padding: 90px 0 78px; }
        .eyebrow { display: flex; align-items: center; gap: 10px; color: var(--paper); font-size: 12px; font-weight: 700; letter-spacing: 0; }
        .eyebrow::before { content: ""; width: 25px; height: 2px; background: var(--coral); }
        h1, h2, h3, p { margin-top: 0; }
        .hero h1 { max-width: 670px; margin: 18px 0 10px; font-family: "Noto Serif SC", "Songti SC", serif; font-size: 48px; line-height: 1.22; font-weight: 700; }
        .hero h1 span { color: var(--coral); }
        .hero-subtitle { margin-bottom: 14px; color: var(--paper); font-size: 19px; }
        .hero-copy { max-width: 580px; margin-bottom: 26px; color: #d0c5bf; font-size: 14px; }
        .hero-actions { display: flex; gap: 12px; }
        .hero-foot { display: flex; gap: 22px; margin-top: 34px; color: #e0d7cf; font-size: 12px; }
        .hero-foot span { border-left: 1px solid var(--coral); padding-left: 10px; }
        main section { padding: 74px 0; border-bottom: 1px solid var(--line); }
        main section:nth-of-type(even) { background: rgba(255,255,255,.015); }
        .section-head { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 30px; }
        .section-kicker { margin-bottom: 6px; color: var(--coral); font-size: 11px; font-weight: 800; }
        .section-title { margin: 0; font-family: "Noto Serif SC", "Songti SC", serif; font-size: 29px; line-height: 1.35; }
        .section-desc { max-width: 560px; margin: 0; color: var(--muted); font-size: 13px; }
        .text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--paper); font-size: 13px; border-bottom: 1px solid var(--coral); padding-bottom: 3px; white-space: nowrap; }
        .text-link:hover { color: var(--coral); }
        .benefits { padding: 0; background: var(--paper) !important; color: #271d20; border: 0; }
        .benefit-row { display: grid; grid-template-columns: repeat(3, 1fr); }
        .benefit { display: grid; grid-template-columns: 42px 1fr; gap: 15px; align-items: start; padding: 28px 24px; border-right: 1px solid rgba(39,29,32,.15); }
        .benefit:last-child { border: 0; }
        .benefit-num { color: var(--coral); font-family: Georgia, serif; font-size: 24px; }
        .benefit h3 { margin: 0 0 5px; font-size: 16px; }
        .benefit p { margin: 0; color: #655a58; font-size: 12px; }
        .scene-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: center; }
        .scene-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
        .scene-list li { display: grid; grid-template-columns: 42px 1fr; padding: 17px 0; border-bottom: 1px solid var(--line); }
        .scene-list b { color: var(--coral); font-family: Georgia, serif; font-size: 18px; }
        .scene-list strong { display: block; margin-bottom: 2px; font-size: 15px; }
        .scene-list span { color: var(--muted); font-size: 12px; }
        .scene-strip { min-height: 290px; position: relative; overflow: hidden; background: var(--bg-raised); }
        .scene-strip img { width: 100%; height: 290px; object-fit: cover; opacity: .78; }
        .scene-caption { position: absolute; left: 20px; bottom: 18px; padding: 8px 12px; background: rgba(23,20,22,.88); color: var(--paper); font-size: 12px; }
        .video-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 26px 18px; }
        .video-card { min-width: 0; }
        .cover { position: relative; aspect-ratio: 3 / 4; overflow: hidden; background: #352d30; border: 1px solid var(--line); }
        .cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s, opacity .25s; }
        .video-card:hover .cover img { transform: scale(1.035); opacity: .86; }
        .cover::after { content: ""; position: absolute; inset: 45% 0 0; background: linear-gradient(transparent, rgba(0,0,0,.55)); pointer-events: none; }
        .badge { position: absolute; top: 10px; left: 10px; z-index: 1; padding: 3px 8px; color: #251b1b; background: var(--coral); font-size: 10px; font-weight: 800; border-radius: 2px; }
        .badge.blue { color: var(--paper); background: rgba(31,26,28,.78); border: 1px solid rgba(241,233,220,.62); }
        .badge.plum { color: var(--paper); background: var(--plum); }
        .play-mark { position: absolute; z-index: 1; right: 12px; bottom: 11px; color: white; font-size: 12px; }
        .video-info { padding-top: 10px; }
        .video-title { margin: 0 0 4px; font-size: 14px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
        .video-meta { display: flex; justify-content: space-between; gap: 8px; color: var(--muted); font-size: 11px; }
        .score { color: var(--paper); white-space: nowrap; }
        .score b { color: var(--coral); }
        .popular-layout { display: grid; grid-template-columns: 1.18fr .82fr; gap: 18px; }
        .popular-feature { position: relative; min-height: 420px; overflow: hidden; background: var(--bg-raised); }
        .popular-feature img { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: cover; }
        .popular-feature::after { content: ""; position: absolute; inset: 35% 0 0; background: linear-gradient(transparent, rgba(20,16,18,.92)); }
        .popular-feature-info { position: absolute; z-index: 1; left: 24px; right: 24px; bottom: 22px; }
        .popular-feature-info h3 { margin: 9px 0 5px; font-family: "Noto Serif SC", "Songti SC", serif; font-size: 25px; }
        .popular-feature-info p { margin: 0; color: #ddd1ca; font-size: 12px; }
        .popular-side { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
        .popular-small { position: relative; min-height: 200px; overflow: hidden; background: var(--bg-raised); }
        .popular-small img { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: cover; }
        .popular-small::after { content: ""; position: absolute; inset: 45% 0 0; background: linear-gradient(transparent, rgba(20,16,18,.9)); }
        .popular-small-info { position: absolute; z-index: 1; left: 12px; right: 12px; bottom: 10px; }
        .popular-small-info b { display: block; font-size: 13px; }
        .popular-small-info span { color: #e1d6cf; font-size: 11px; }
        .channels-grid { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
        .channel { min-height: 188px; padding: 22px 18px; border-right: 1px solid var(--line); transition: background .2s; }
        .channel:last-child { border: 0; }
        .channel:hover { background: rgba(213,106,85,.07); }
        .channel-index { color: var(--coral); font: 13px Georgia, serif; }
        .channel h3 { margin: 13px 0 8px; font-size: 16px; }
        .channel p { min-height: 59px; margin-bottom: 12px; color: var(--muted); font-size: 11px; }
        .channel small { color: var(--paper); font-size: 11px; }
        .ranking-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
        .ranking-list li { display: grid; grid-template-columns: 54px 1fr 120px 72px 130px; align-items: center; gap: 16px; min-height: 54px; border-bottom: 1px solid var(--line); }
        .rank-no { color: var(--coral); font: 18px Georgia, serif; }
        .rank-title { font-size: 14px; font-weight: 700; }
        .rank-heat, .rank-tag { color: var(--muted); font-size: 12px; }
        .rank-score { color: var(--paper); font-size: 13px; }
        .rank-score b { color: var(--coral); }
        .social-band { display: grid; grid-template-columns: .7fr 1.3fr; gap: 40px; align-items: center; background: var(--paper); color: #281f21; padding: 30px; }
        .social-score { font: 58px Georgia, serif; color: var(--plum); line-height: 1; }
        .social-score small { display: block; margin-top: 12px; font: 12px "Noto Sans SC", sans-serif; color: #655a58; }
        .quote-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
        .quote { border-left: 2px solid var(--coral); padding-left: 14px; }
        .quote p { margin: 0 0 7px; font-size: 13px; }
        .quote span { color: #756965; font-size: 11px; }
        .compare-table { width: 100%; border-collapse: collapse; text-align: left; }
        .compare-table th, .compare-table td { padding: 16px 18px; border-bottom: 1px solid var(--line); }
        .compare-table th { color: var(--muted); font-size: 12px; font-weight: 500; }
        .compare-table td { font-size: 13px; }
        .compare-table td:first-child { color: var(--paper); font-weight: 700; }
        .compare-table .yes { color: #e89680; }
        .news-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 32px; }
        .news-feature { display: grid; grid-template-columns: 1fr; }
        .news-feature img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
        .news-feature h3 { margin: 13px 0 5px; font-size: 17px; }
        .news-feature p { margin: 0; color: var(--muted); font-size: 12px; }
        .news-list { list-style: none; padding: 0; margin: 0; }
        .news-list li { display: grid; grid-template-columns: 88px 1fr; gap: 14px; align-items: center; padding: 9px 0; border-bottom: 1px solid var(--line); }
        .news-list img { width: 88px; height: 66px; object-fit: cover; background: var(--bg-raised); }
        .news-list h3 { margin: 0 0 3px; font-size: 13px; }
        .news-list p { margin: 0; color: var(--muted); font-size: 11px; }
        .timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .timeline-item { padding: 0 0 0 18px; border-left: 2px solid var(--plum-light); }
        .timeline-item time { display: block; margin-bottom: 7px; color: var(--coral); font: 14px Georgia, serif; }
        .timeline-item strong { display: block; margin-bottom: 4px; font-size: 14px; }
        .timeline-item p { margin: 0; color: var(--muted); font-size: 12px; }
        .faq-list { max-width: 900px; border-top: 1px solid var(--line); }
        .faq-item { border-bottom: 1px solid var(--line); }
        .faq-item summary { position: relative; padding: 17px 36px 17px 0; font-size: 14px; font-weight: 700; cursor: pointer; list-style: none; }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary::after { content: "+"; position: absolute; right: 4px; color: var(--coral); font-size: 21px; top: 11px; }
        .faq-item[open] summary::after { content: "−"; }
        .faq-item p { max-width: 760px; margin: 0; padding: 0 0 17px; color: var(--muted); font-size: 13px; }
        .concerns { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
        .concern { padding-top: 16px; border-top: 2px solid var(--plum-light); }
        .concern h3 { margin: 0 0 7px; font-size: 14px; }
        .concern p { margin: 0; color: var(--muted); font-size: 12px; }
        .assurance { padding: 25px 0; background: #241d20 !important; }
        .assurance-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
        .assurance-item { display: flex; align-items: center; gap: 12px; }
        .assurance-icon { display: grid; place-items: center; width: 34px; height: 34px; flex: 0 0 34px; border: 1px solid var(--plum-light); color: var(--coral); border-radius: 50%; }
        .assurance-item strong { display: block; font-size: 12px; }
        .assurance-item span:last-child { color: var(--muted); font-size: 10px; }
        .closing { padding: 54px 0; background: var(--plum) !important; border: 0; }
        .closing-inner { display: flex; justify-content: space-between; align-items: center; gap: 30px; }
        .closing h2 { margin: 0 0 5px; font-family: "Noto Serif SC", "Songti SC", serif; font-size: 27px; }
        .closing p { margin: 0; color: #e3d4d7; font-size: 13px; }
        .site-footer { padding: 52px 0 95px; background: #120f11; }
        .footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 42px; }
        .footer-brand { max-width: 260px; }
        .footer-brand p { margin: 16px 0 0; color: var(--muted); font-size: 12px; }
        .footer-col h3 { margin: 0 0 14px; color: var(--paper); font-size: 13px; }
        .footer-col a { display: block; width: fit-content; margin: 8px 0; color: var(--muted); font-size: 12px; }
        .footer-col a:hover { color: var(--coral); }
        .copyright { margin-top: 35px; padding-top: 18px; border-top: 1px solid var(--line); color: #968a87; font-size: 11px; }
        .copyright a { color: #b6aaa6; }
        .fixed-cta { position: fixed; z-index: 30; left: 0; right: 0; bottom: 0; padding: 11px 0 calc(11px + env(safe-area-inset-bottom)); background: rgba(23,20,22,.97); border-top: 1px solid var(--line); box-shadow: 0 -8px 30px rgba(0,0,0,.25); }
        .fixed-inner { display: flex; align-items: center; gap: 16px; }
        .fixed-status { flex: 1; color: var(--muted); font-size: 12px; }
        .fixed-status b { color: var(--paper); }
        .fixed-close { width: 38px; height: 38px; border: 1px solid var(--line); background: transparent; cursor: pointer; border-radius: 4px; }
        .fixed-cta.is-hidden { display: none; }
        .age-dialog { width: min(420px, calc(100% - 32px)); padding: 30px; border: 1px solid var(--line); background: #211c1e; color: var(--text); border-radius: var(--radius); box-shadow: var(--shadow); }
        .age-dialog::backdrop { background: rgba(0,0,0,.72); }
        .age-dialog h2 { margin: 0 0 10px; font-size: 21px; }
        .age-dialog p { color: var(--muted); font-size: 13px; }
        .age-dialog-actions { display: flex; gap: 10px; margin-top: 20px; }
        @media (max-width: 1023px) {
            .nav-wrap { gap: 16px; }
            .main-nav { gap: 13px; }
            .brand-name { max-width: 140px; font-size: 12px; }
            .age-note { display: none; }
            .video-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
            .channels-grid { grid-template-columns: repeat(3, 1fr); }
            .channel:nth-child(3) { border-right: 0; }
            .channel:nth-child(n+4) { border-top: 1px solid var(--line); }
        }
        @media (max-width: 767px) {
            html { scroll-padding-top: 68px; }
            .container { width: min(100% - 32px, var(--content)); }
            .nav-wrap { min-height: 66px; }
            .brand-mark { width: 34px; height: 34px; }
            .brand-name { max-width: 145px; font-size: 11px; }
            .nav-actions { margin-left: auto; }
            .nav-actions .button { min-height: 38px; padding: 0 12px; font-size: 12px; }
            .menu-toggle { display: block; }
            .main-nav { display: none; position: absolute; left: 0; right: 0; top: 66px; padding: 8px 20px 16px; background: #1c181a; border-bottom: 1px solid var(--line); }
            .main-nav.is-open { display: grid; grid-template-columns: 1fr; gap: 0; }
            .main-nav a { padding: 11px 4px; border-bottom: 1px solid var(--line); }
            .main-nav a.active::after { bottom: 10px; left: auto; right: 4px; }
            .hero { min-height: 570px; }
            .hero-content { width: calc(100% - 36px); padding: 82px 0 48px; }
            .hero h1 { max-width: 530px; font-size: 37px; }
            .hero-subtitle { font-size: 16px; }
            .hero-copy { font-size: 13px; }
            .hero-foot { gap: 12px; flex-wrap: wrap; }
            main section { padding: 54px 0; }
            .section-head { display: block; }
            .section-desc { margin-top: 10px; }
            .section-head .text-link { margin-top: 14px; }
            .section-title { font-size: 24px; }
            .benefit-row { grid-template-columns: 1fr; }
            .benefit { padding: 18px 20px; border-right: 0; border-bottom: 1px solid rgba(39,29,32,.15); }
            .benefit:last-child { border-bottom: 0; }
            .scene-layout { grid-template-columns: 1fr; gap: 24px; }
            .scene-strip, .scene-strip img { min-height: 235px; height: 235px; }
            .video-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 12px; }
            .video-title { font-size: 12px; }
            .video-meta { font-size: 10px; }
            .popular-layout { grid-template-columns: 1fr; }
            .popular-feature { min-height: 320px; }
            .popular-side { grid-template-columns: repeat(2, 1fr); }
            .popular-small { min-height: 175px; }
            .channels-grid { grid-template-columns: repeat(2, 1fr); }
            .channel { min-height: 170px; padding: 17px 13px; border-top: 1px solid var(--line); }
            .channel:nth-child(odd) { border-right: 1px solid var(--line); }
            .channel:nth-child(even) { border-right: 0; }
            .channel:nth-child(1), .channel:nth-child(2) { border-top: 0; }
            .channel p { min-height: auto; }
            .ranking-list li { grid-template-columns: 34px 1fr 55px; gap: 9px; padding: 10px 0; }
            .rank-title { font-size: 12px; }
            .rank-heat, .rank-tag { grid-column: 2; font-size: 10px; }
            .rank-score { grid-column: 3; grid-row: 1 / span 2; }
            .social-band { grid-template-columns: 1fr; gap: 24px; padding: 22px; }
            .social-score { font-size: 48px; }
            .quote-list { grid-template-columns: 1fr; gap: 14px; }
            .compare-table th, .compare-table td { padding: 12px 8px; font-size: 11px; }
            .news-grid { grid-template-columns: 1fr; gap: 22px; }
            .timeline { grid-template-columns: 1fr; gap: 19px; }
            .concerns { grid-template-columns: repeat(2, 1fr); gap: 20px 16px; }
            .assurance-row { grid-template-columns: repeat(2, 1fr); gap: 17px 10px; }
            .closing-inner { align-items: flex-start; flex-direction: column; }
            .closing h2 { font-size: 23px; }
            .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 28px 18px; }
            .footer-brand { grid-column: 1 / -1; }
            .fixed-status { font-size: 10px; }
            .fixed-inner .button { min-height: 38px; padding: 0 12px; font-size: 12px; }
            .fixed-close { width: 34px; height: 34px; }
        }
        @media (max-width: 519px) {
            .container { width: calc(100% - 28px); }
            .brand-name { max-width: 120px; font-size: 10px; }
            .nav-actions .button { display: none; }
            .hero { min-height: 540px; }
            .hero-content { width: calc(100% - 28px); padding-bottom: 38px; }
            .hero h1 { font-size: 32px; }
            .hero-actions { flex-wrap: wrap; }
            .hero-actions .button { min-height: 42px; padding: 0 14px; font-size: 12px; }
            .hero-foot { font-size: 10px; }
            .section-title { font-size: 22px; }
            .popular-feature { min-height: 270px; }
            .popular-small { min-height: 145px; }
            .popular-small-info b { font-size: 11px; }
            .news-list li { grid-template-columns: 74px 1fr; gap: 10px; }
            .news-list img { width: 74px; height: 58px; }
            .news-list h3 { font-size: 12px; }
            .concerns { grid-template-columns: 1fr 1fr; }
            .assurance-item { gap: 8px; }
            .assurance-icon { width: 29px; height: 29px; flex-basis: 29px; }
            .fixed-status { max-width: 130px; line-height: 1.4; }
            .fixed-inner { gap: 8px; }
        }
        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
        }

/* roulang page: category1 */
:root {
            --bg: #171416;
            --bg-soft: #211c1e;
            --bg-raised: #282124;
            --plum: #55283d;
            --plum-light: #75405a;
            --coral: #d56a55;
            --paper: #f1e9dc;
            --text: #f5efe8;
            --muted: #b6aaa6;
            --line: rgba(241, 233, 220, .14);
            --radius: 7px;
            --shadow: 0 14px 40px rgba(0, 0, 0, .22);
            --content: 1220px;
        }
        * { box-sizing: border-box; }
        html { scroll-behavior: smooth; scroll-padding-top: 94px; }
        body { margin: 0; background: var(--bg); color: var(--text); font-family: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif; font-size: 15px; line-height: 1.7; }
        a { color: inherit; text-decoration: none; }
        img { display: block; max-width: 100%; }
        button, select { font: inherit; }
        button { color: inherit; }
        :focus-visible { outline: 2px solid var(--coral); outline-offset: 3px; }
        .container { width: min(var(--content), calc(100% - 48px)); margin-inline: auto; }
        .site-header { position: sticky; top: 0; z-index: 20; background: rgba(23, 20, 22, .96); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
        .nav-wrap { min-height: 76px; display: flex; align-items: center; gap: 30px; }
        .brand { display: flex; align-items: center; gap: 11px; flex: 0 0 auto; font-weight: 800; line-height: 1.25; }
        .brand-mark { width: 38px; height: 38px; display: grid; place-items: center; background: var(--plum); color: var(--paper); border-radius: 4px; font-size: 16px; }
        .brand-name { max-width: 180px; font-size: 14px; }
        .main-nav { display: flex; align-items: center; justify-content: center; gap: 22px; margin-left: auto; }
        .main-nav a { position: relative; padding: 26px 0; color: var(--muted); font-size: 13px; white-space: nowrap; transition: color .2s ease; }
        .main-nav a:hover, .main-nav a.active { color: var(--text); }
        .main-nav a.active::after { content: ""; position: absolute; bottom: 17px; left: 0; width: 20px; height: 2px; background: var(--coral); }
        .nav-actions { display: flex; align-items: center; gap: 14px; }
        .nav-age { color: var(--muted); font-size: 12px; white-space: nowrap; }
        .menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 4px; background: transparent; cursor: pointer; }
        .menu-toggle span, .menu-toggle::before, .menu-toggle::after { content: ""; display: block; width: 17px; height: 1px; margin: 4px auto; background: var(--paper); }
        .button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 44px; padding: 0 18px; border: 1px solid transparent; border-radius: 4px; background: var(--plum); color: #fff; font-size: 14px; font-weight: 700; transition: transform .2s, background .2s, border-color .2s; cursor: pointer; }
        .button:hover { background: var(--plum-light); transform: translateY(-1px); }
        .button-secondary { background: transparent; border-color: rgba(241,233,220,.4); color: var(--text); }
        .button-secondary:hover { background: rgba(241,233,220,.08); border-color: var(--paper); }
        main section { padding: 56px 0; border-bottom: 1px solid var(--line); }
        .crumbs { display: flex; gap: 10px; align-items: center; color: var(--muted); font-size: 12px; }
        .crumbs a:hover { color: var(--paper); }
        .category-head { padding: 38px 0 42px; }
        .category-head .eyebrow, .section-kicker { color: var(--coral); font-size: 11px; font-weight: 800; }
        .category-head h1 { margin: 14px 0 7px; max-width: 850px; font-family: "Noto Serif SC", "Songti SC", serif; font-size: 38px; line-height: 1.3; }
        .category-head p { max-width: 720px; margin: 0 0 18px; color: var(--muted); }
        .section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 24px; }
        .section-kicker { margin: 0 0 5px; }
        .section-title { margin: 0; font-family: "Noto Serif SC", "Songti SC", serif; font-size: 27px; line-height: 1.35; }
        .section-desc { max-width: 500px; margin: 0; color: var(--muted); font-size: 13px; }
        .filter-section { padding: 20px 0; background: rgba(255,255,255,.018); }
        .filter-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
        .filter-label { color: var(--muted); font-size: 12px; }
        .filter-select { min-width: 132px; min-height: 40px; padding: 0 34px 0 12px; border: 1px solid var(--line); border-radius: 4px; background: var(--bg-soft); color: var(--text); }
        .filter-select:focus-visible { outline: 2px solid var(--coral); }
        .filter-chip { min-height: 36px; padding: 6px 12px; border: 1px solid var(--line); border-radius: 3px; color: var(--muted); font-size: 12px; white-space: nowrap; transition: color .2s, border-color .2s, background .2s; }
        .filter-chip:hover, .filter-chip[aria-pressed="true"] { border-color: var(--coral); background: rgba(213,106,85,.1); color: var(--paper); }
        .filter-chip:disabled { opacity: .45; cursor: not-allowed; }
        .results-line { display: flex; justify-content: space-between; gap: 12px; margin: 0 0 16px; color: var(--muted); font-size: 12px; }
        .results-line strong { color: var(--paper); }
        .index-list { border-top: 1px solid var(--line); }
        .index-item { display: grid; grid-template-columns: 190px minmax(0, 1fr) auto; gap: 22px; align-items: center; padding: 16px 0; border-bottom: 1px solid var(--line); }
        .cover { position: relative; overflow: hidden; aspect-ratio: 16 / 10; background: #34292d; border-radius: 3px; }
        .cover-art { position: absolute; inset: 0; display: grid; place-items: center; background: linear-gradient(145deg, #49333a, #262124 58%, #724450); color: rgba(241,233,220,.78); font-family: "Noto Serif SC", "Songti SC", serif; font-size: 24px; }
        .cover-art::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(18,15,17,.48), transparent 66%); }
        .cover-art span { position: relative; z-index: 1; }
        .index-item:nth-child(3n+2) .cover-art { background: linear-gradient(145deg, #4c3c34, #282124 62%, #78504a); }
        .index-item:nth-child(3n) .cover-art { background: linear-gradient(145deg, #3d3435, #262124 58%, #67424e); }
        .video-info { min-width: 0; }
        .video-title { margin: 0 0 7px; font-family: "Noto Serif SC", "Songti SC", serif; font-size: 19px; line-height: 1.4; }
        .video-meta { display: flex; flex-wrap: wrap; gap: 8px 14px; color: var(--muted); font-size: 12px; }
        .video-description { margin: 9px 0 0; color: #d2c8c1; font-size: 13px; }
        .video-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 10px; }
        .badge { display: inline-flex; align-items: center; min-height: 22px; padding: 2px 8px; border-radius: 2px; background: var(--coral); color: #251b1b; font-size: 10px; font-weight: 800; }
        .badge.blue { border: 1px solid rgba(241,233,220,.5); background: transparent; color: var(--paper); }
        .badge.plum { background: var(--plum); color: var(--paper); }
        .score { color: var(--paper); font-size: 13px; font-weight: 800; white-space: nowrap; }
        .score span { color: var(--coral); }
        .item-action { white-space: nowrap; }
        .more-row { display: flex; justify-content: center; padding-top: 24px; }
        .text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--paper); font-size: 13px; border-bottom: 1px solid var(--coral); padding-bottom: 3px; }
        .text-link:hover { color: var(--coral); }
        .ranking-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
        .ranking-list li { display: grid; grid-template-columns: 54px minmax(0, 1fr) 120px 70px; align-items: center; gap: 14px; min-height: 58px; border-bottom: 1px solid var(--line); }
        .rank-number { color: var(--coral); font-family: Georgia, serif; font-size: 20px; }
        .rank-name { font-weight: 700; }
        .rank-meta { color: var(--muted); font-size: 12px; }
        .update-band { display: grid; grid-template-columns: repeat(4, 1fr); background: var(--paper); color: #282124; }
        .update-stat { padding: 22px; border-right: 1px solid rgba(40,33,36,.16); }
        .update-stat:last-child { border-right: 0; }
        .update-stat span { display: block; color: #655956; font-size: 12px; }
        .update-stat strong { display: block; margin-top: 5px; font-family: "Noto Serif SC", "Songti SC", serif; font-size: 18px; }
        .topic-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
        .topic-link { min-height: 118px; padding: 19px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .2s; }
        .topic-link:hover { background: rgba(213,106,85,.08); }
        .topic-link strong { display: block; margin-bottom: 5px; font-family: "Noto Serif SC", "Songti SC", serif; font-size: 17px; }
        .topic-link span { color: var(--muted); font-size: 12px; }
        .faq-list { border-top: 1px solid var(--line); }
        .faq-item { border-bottom: 1px solid var(--line); }
        .faq-item summary { position: relative; padding: 17px 36px 17px 0; cursor: pointer; font-weight: 700; list-style: none; }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary::after { content: "+"; position: absolute; right: 5px; top: 14px; color: var(--coral); font-size: 20px; }
        .faq-item[open] summary::after { content: "−"; }
        .faq-item p { max-width: 760px; margin: 0 0 18px; color: var(--muted); font-size: 13px; }
        .closing-band { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 28px; background: var(--bg-soft); border-left: 3px solid var(--coral); }
        .closing-band h2 { margin: 0 0 4px; font-family: "Noto Serif SC", "Songti SC", serif; font-size: 22px; }
        .closing-band p { margin: 0; color: var(--muted); font-size: 13px; }
        .site-footer { padding: 48px 0 24px; background: #141113; }
        .footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 34px; padding-bottom: 34px; }
        .footer-brand p { max-width: 290px; color: var(--muted); font-size: 12px; }
        .footer-col h3 { margin: 0 0 13px; font-size: 13px; }
        .footer-col a { display: block; width: fit-content; margin: 7px 0; color: var(--muted); font-size: 12px; }
        .footer-col a:hover { color: var(--paper); }
        .copyright { padding-top: 17px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
        .copyright a { color: var(--paper); }
        @media (max-width: 1023px) {
            .nav-wrap { gap: 18px; }
            .main-nav { gap: 15px; }
            .nav-age { display: none; }
            .index-item { grid-template-columns: 160px minmax(0, 1fr) auto; gap: 16px; }
            .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
            .footer-col:last-child { grid-column: 2 / 4; }
        }
        @media (max-width: 767px) {
            .container { width: min(var(--content), calc(100% - 32px)); }
            .nav-wrap { min-height: 66px; gap: 10px; }
            .brand-mark { width: 34px; height: 34px; }
            .brand-name { max-width: 155px; font-size: 12px; }
            .nav-actions { margin-left: auto; }
            .nav-actions .button { min-height: 38px; padding-inline: 11px; font-size: 12px; }
            .menu-toggle { display: block; flex: 0 0 40px; }
            .main-nav { display: none; position: absolute; top: 65px; left: 0; right: 0; padding: 8px 16px 14px; margin: 0; border-bottom: 1px solid var(--line); background: var(--bg); }
            .main-nav.is-open { display: grid; gap: 0; }
            .main-nav a { padding: 12px 8px; border-bottom: 1px solid var(--line); }
            .main-nav a.active::after { bottom: 10px; left: auto; right: 8px; }
            main section { padding: 42px 0; }
            .category-head { padding: 28px 0 32px; }
            .category-head h1 { font-size: 30px; }
            .section-head { display: block; }
            .section-desc { margin-top: 9px; }
            .filter-bar { flex-wrap: nowrap; overflow-x: auto; padding: 3px 1px 7px; scrollbar-width: thin; }
            .filter-label { flex: 0 0 auto; }
            .filter-select { min-width: 120px; }
            .index-item { grid-template-columns: 116px minmax(0, 1fr); gap: 12px; padding: 13px 0; }
            .index-item .item-action { grid-column: 2; justify-self: start; }
            .cover { aspect-ratio: 4 / 3; }
            .cover-art { font-size: 18px; }
            .video-title { font-size: 16px; }
            .video-description { display: none; }
            .video-meta { gap: 4px 9px; font-size: 11px; }
            .badge { font-size: 9px; }
            .ranking-list li { grid-template-columns: 38px minmax(0, 1fr) 58px; gap: 8px; padding: 9px 0; }
            .rank-meta { grid-column: 2; }
            .ranking-list .score { grid-column: 3; grid-row: 1; }
            .update-band { grid-template-columns: repeat(2, 1fr); }
            .update-stat:nth-child(2) { border-right: 0; }
            .update-stat:nth-child(-n+2) { border-bottom: 1px solid rgba(40,33,36,.16); }
            .update-stat { padding: 16px; }
            .topic-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
            .closing-band { align-items: flex-start; flex-direction: column; padding: 22px; }
            .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 16px; }
            .footer-brand { grid-column: 1 / -1; }
            .footer-col:last-child { grid-column: auto; }
        }
        @media (max-width: 520px) {
            .nav-wrap { gap: 7px; }
            .brand-name { max-width: 128px; font-size: 11px; }
            .nav-actions .button { padding-inline: 9px; font-size: 11px; }
            .category-head h1 { font-size: 27px; }
            .index-item { grid-template-columns: 96px minmax(0, 1fr); gap: 10px; }
            .video-title { font-size: 14px; }
            .video-meta { font-size: 10px; }
            .item-action .button { min-height: 34px; padding-inline: 11px; font-size: 11px; }
            .topic-link { min-height: 105px; padding: 14px; }
            .topic-link strong { font-size: 15px; }
            .footer-grid { gap: 20px 12px; }
        }
        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
        }