/* roulang page: index */
:root {
            color-scheme: dark;
            --bg: #111315;
            --bg-soft: #181b1e;
            --panel: #202427;
            --panel-2: #262b2e;
            --text: #f4f3ef;
            --muted: #b0b5b6;
            --faint: #858c8e;
            --line: rgba(255,255,255,.11);
            --accent: #ff684d;
            --accent-2: #ffb35c;
            --mint: #83d5bd;
            --radius: 18px;
            --radius-sm: 11px;
            --shadow: 0 16px 38px rgba(0,0,0,.23);
            --width: 1180px;
        }
        * { box-sizing: border-box; }
        html { scroll-behavior: smooth; scroll-padding-top: 90px; }
        body {
            margin: 0;
            background: var(--bg);
            color: var(--text);
            font-family: "PingFang SC","Microsoft YaHei",system-ui,sans-serif;
            font-size: 15px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a { color: inherit; text-decoration: none; }
        button { font: inherit; color: inherit; }
        img { display: block; max-width: 100%; }
        a:focus-visible, button:focus-visible, summary:focus-visible {
            outline: 3px solid var(--mint);
            outline-offset: 3px;
        }
        .container { width: min(var(--width), calc(100% - 48px)); margin-inline: auto; }
        .site-header {
            position: sticky; top: 0; z-index: 20;
            border-bottom: 1px solid var(--line);
            background: rgba(17,19,21,.96);
        }
        .nav-row { min-height: 72px; display: flex; align-items: center; gap: 28px; }
        .brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; font-weight: 750; }
        .brand-mark {
            width: 36px; height: 36px; border-radius: 11px;
            display: grid; place-items: center; font-size: 13px; font-weight: 850;
            color: #1b1715; background: linear-gradient(135deg,var(--accent),var(--accent-2));
        }
        .brand-name { font-size: 16px; white-space: nowrap; }
        .nav-links { display: flex; align-items: center; gap: 23px; margin-left: auto; }
        .nav-links a { color: var(--muted); font-size: 13px; transition: color .2s ease; }
        .nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); }
        .nav-links .nav-home { color: var(--text); }
        .menu-toggle {
            display: none; width: 42px; height: 42px; margin-left: auto;
            border: 1px solid var(--line); border-radius: 12px; background: var(--panel);
            cursor: pointer;
        }
        .hero {
            position: relative; overflow: hidden; min-height: 430px; display: flex; align-items: center;
            background:
                linear-gradient(90deg, rgba(14,16,17,.97) 0%, rgba(14,16,17,.83) 47%, rgba(14,16,17,.24) 100%),
                linear-gradient(0deg, rgba(17,19,21,.75), transparent 50%),
                url("<?= esc(poster('photo-1485846234645-a62644f84728', 1800, 900)) ?>") center 42% / cover;
            border-bottom: 1px solid var(--line);
        }
        .hero-inner { position: relative; z-index: 1; padding-block: 62px 55px; }
        .hero-copy { max-width: 750px; }
        .eyebrow, .section-kicker {
            color: var(--accent-2); font-size: 12px; font-weight: 750; letter-spacing: 0;
            text-transform: none;
        }
        .hero h1 { max-width: 700px; margin: 12px 0 7px; font-size: 48px; line-height: 1.18; }
        .hero h1 span {
            background: linear-gradient(100deg,var(--accent),var(--accent-2));
            background-clip: text; -webkit-background-clip: text; color: transparent;
        }
        .hero-subtitle { margin: 0 0 13px; color: #e8e6e2; font-size: 19px; font-weight: 600; }
        .hero-description { max-width: 700px; margin: 0; color: #c0c3c2; line-height: 1.9; }
        .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 25px; }
        .button {
            display: inline-flex; min-height: 46px; padding: 0 19px; align-items: center; justify-content: center;
            border: 1px solid transparent; border-radius: 12px; font-weight: 700; font-size: 14px;
            transition: transform .18s ease, filter .18s ease, background .18s ease;
        }
        .button:hover { transform: translateY(-2px); filter: brightness(1.08); }
        .button:active { transform: translateY(0); }
        .button-primary { color: #211613; background: linear-gradient(110deg,var(--accent),var(--accent-2)); }
        .button-secondary { border-color: rgba(255,255,255,.24); background: rgba(19,21,22,.55); }
        .hero-meta { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 22px; }
        .pill, .badge {
            display: inline-flex; align-items: center; justify-content: center;
            min-height: 26px; padding: 2px 9px; border: 1px solid var(--line);
            border-radius: 999px; color: #d4d8d7; background: rgba(255,255,255,.05);
            font-size: 11px; line-height: 1.4; white-space: nowrap;
        }
        .pill-accent, .badge-accent { color: #ffd2c7; border-color: rgba(255,104,77,.35); background: rgba(255,104,77,.11); }
        .badge-mint { color: #a9e8d4; border-color: rgba(131,213,189,.3); background: rgba(131,213,189,.1); }
        main { overflow: hidden; }
        .section { padding: 66px 0; border-bottom: 1px solid rgba(255,255,255,.065); }
        .section-alt { background: var(--bg-soft); }
        .section-head { display: flex; align-items: end; justify-content: space-between; gap: 25px; margin-bottom: 26px; }
        .section-head h2 { margin: 4px 0 0; font-size: 28px; line-height: 1.3; }
        .section-head p { max-width: 580px; margin: 0; color: var(--muted); font-size: 13px; }
        .section-link { color: var(--accent-2); font-size: 13px; font-weight: 650; white-space: nowrap; }
        .metrics { display: grid; grid-template-columns: repeat(4,1fr); gap: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); overflow: hidden; }
        .metric { padding: 22px 25px; border-right: 1px solid var(--line); }
        .metric:last-child { border-right: 0; }
        .metric strong { display: block; font-size: 24px; line-height: 1.2; }
        .metric span { display: block; margin-top: 6px; color: var(--muted); font-size: 12px; }
        .service-grid { display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: 12px; }
        .service-item {
            min-height: 138px; display: grid; grid-template-columns: 44px 1fr auto; align-items: center; gap: 14px;
            padding: 21px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel);
            transition: border-color .2s ease, transform .2s ease;
        }
        .service-item:hover { transform: translateY(-2px); border-color: rgba(255,104,77,.42); }
        .service-icon { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 13px; color: var(--accent-2); background: rgba(255,104,77,.12); font-weight: 800; }
        .service-item h3 { margin: 0 0 4px; font-size: 15px; }
        .service-item p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.65; }
        .service-item a { color: var(--accent-2); font-size: 12px; white-space: nowrap; }
        .movie-grid { display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); gap: 22px 16px; }
        .movie-card { min-width: 0; }
        .poster {
            position: relative; overflow: hidden; aspect-ratio: 2 / 2.85; border-radius: 14px;
            background: linear-gradient(135deg,#30383a,#171a1c); box-shadow: 0 8px 22px rgba(0,0,0,.2);
        }
        .poster img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
        .movie-card:hover .poster img, .popular-card:hover img { transform: scale(1.045); }
        .poster:after { content: ""; position: absolute; inset: 45% 0 0; background: linear-gradient(transparent,rgba(0,0,0,.35)); pointer-events: none; }
        .movie-card h3 { margin: 10px 0 7px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14px; }
        .movie-meta { display: flex; align-items: center; justify-content: space-between; gap: 6px; }
        .rating { color: var(--accent-2); font-size: 12px; font-weight: 750; white-space: nowrap; }
        .movie-meta .badge { max-width: 105px; overflow: hidden; text-overflow: ellipsis; }
        .popular-band { display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); gap: 14px; }
        .popular-card { position: relative; height: 250px; overflow: hidden; border-radius: var(--radius); background: #292d2f; }
        .popular-card img { width: 100%; height: 100%; object-fit: cover; opacity: .82; transition: transform .35s ease; }
        .popular-card:after { content: ""; position: absolute; inset: 35% 0 0; background: linear-gradient(transparent,rgba(0,0,0,.9)); }
        .popular-info { position: absolute; z-index: 1; right: 13px; bottom: 13px; left: 13px; }
        .popular-info h3 { margin: 0 0 4px; font-size: 15px; }
        .popular-info span { color: #deded9; font-size: 11px; }
        .compare { display: grid; grid-template-columns: 1fr 1.2fr 1fr; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
        .compare-column { padding: 25px; }
        .compare-column + .compare-column { border-left: 1px solid var(--line); }
        .compare-column.featured { background: linear-gradient(145deg,rgba(255,104,77,.13),rgba(255,179,92,.06)); }
        .compare-column h3 { margin: 0 0 8px; font-size: 16px; }
        .compare-column p { min-height: 47px; margin: 0 0 15px; color: var(--muted); font-size: 12px; }
        .compare-list { margin: 0; padding: 0; list-style: none; }
        .compare-list li { padding: 8px 0; border-top: 1px solid var(--line); color: #d0d3d1; font-size: 12px; }
        .compare-list strong { float: right; color: var(--text); font-weight: 650; }
        .channel-grid { display: grid; grid-template-columns: 1.1fr .9fr 1fr; gap: 12px; }
        .channel {
            min-height: 158px; padding: 22px; border-radius: var(--radius); background: var(--panel);
            border-left: 3px solid var(--channel-color,var(--accent)); transition: background .2s ease;
        }
        .channel:hover { background: var(--panel-2); }
        .channel h3 { margin: 0 0 8px; font-size: 17px; }
        .channel p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
        .channel .channel-tag { display: inline-block; margin-top: 13px; color: var(--channel-color,var(--accent)); font-size: 11px; font-weight: 700; }
        .timeline { display: grid; grid-template-columns: repeat(4,1fr); gap: 0; }
        .timeline-item { position: relative; padding: 25px 22px 0 0; border-top: 1px solid rgba(255,255,255,.24); }
        .timeline-item:before { content: ""; position: absolute; top: -5px; left: 0; width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(255,104,77,.14); }
        .timeline-item time { color: var(--accent-2); font-size: 11px; font-weight: 700; }
        .timeline-item h3 { margin: 8px 0 5px; font-size: 14px; }
        .timeline-item p { margin: 0; color: var(--muted); font-size: 12px; }
        .ranking-wrap { display: grid; grid-template-columns: 1fr .75fr; gap: 45px; align-items: start; }
        .ranking-list { margin: 0; padding: 0; list-style: none; }
        .ranking-list li { display: grid; grid-template-columns: 42px minmax(0,1fr) 90px 52px 64px; align-items: center; gap: 10px; min-height: 53px; border-bottom: 1px solid var(--line); }
        .rank-number { color: var(--faint); font-size: 16px; font-weight: 800; }
        .ranking-list li:nth-child(-n+3) .rank-number { color: var(--accent); }
        .rank-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 650; font-size: 13px; }
        .rank-heat, .rank-score { color: var(--muted); font-size: 11px; text-align: right; }
        .rank-score { color: var(--accent-2); }
        .rank-category { justify-self: end; }
        .rank-side { padding: 25px; border-radius: var(--radius); background: var(--panel); }
        .rank-side .big-number { color: var(--accent-2); font-size: 42px; font-weight: 800; line-height: 1; }
        .rank-side h3 { margin: 13px 0 7px; font-size: 17px; }
        .rank-side p { margin: 0; color: var(--muted); font-size: 13px; }
        .news-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
        .news-item { display: grid; grid-template-columns: 108px 1fr; min-height: 96px; gap: 14px; padding: 11px; border-radius: 14px; background: var(--panel); }
        .news-item img { width: 108px; height: 78px; object-fit: cover; border-radius: 9px; background: var(--panel-2); }
        .news-item h3 { margin: 4px 0 7px; font-size: 13px; line-height: 1.55; }
        .news-item time { color: var(--faint); font-size: 11px; }
        .scene-grid { display: grid; grid-template-columns: 1.35fr 1fr 1fr; gap: 14px; }
        .scene { min-height: 194px; display: flex; flex-direction: column; justify-content: end; padding: 23px; border-radius: var(--radius); background: linear-gradient(145deg,#2b3031,#1c2021); border: 1px solid var(--line); }
        .scene:nth-child(2) { background: linear-gradient(145deg,#3b2927,#202122); }
        .scene:nth-child(3) { background: linear-gradient(145deg,#23332f,#1c2021); }
        .scene span { color: var(--accent-2); font-size: 11px; font-weight: 700; }
        .scene h3 { margin: 7px 0 6px; font-size: 18px; }
        .scene p { margin: 0; max-width: 330px; color: #c1c5c3; font-size: 12px; }
        .guide-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 0; counter-reset: guide; }
        .guide-step { position: relative; padding: 0 23px 0 0; counter-increment: guide; }
        .guide-step:before { content: "0" counter(guide); display: block; margin-bottom: 12px; color: var(--accent); font-size: 20px; font-weight: 800; }
        .guide-step h3 { margin: 0 0 5px; font-size: 14px; }
        .guide-step p { margin: 0; color: var(--muted); font-size: 12px; }
        .assurance-grid { display: grid; grid-template-columns: repeat(4,1fr); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
        .assurance { min-height: 136px; padding: 20px; background: var(--panel); }
        .assurance + .assurance { border-left: 1px solid var(--line); }
        .assurance b { display: block; margin-bottom: 7px; color: var(--mint); font-size: 14px; }
        .assurance p { margin: 0; color: var(--muted); font-size: 12px; }
        .quick-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 11px; }
        .quick-link { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 17px 18px; border: 1px solid var(--line); border-radius: 13px; background: var(--panel); transition: border-color .2s ease; }
        .quick-link:hover { border-color: rgba(255,179,92,.5); }
        .quick-link span { font-size: 13px; font-weight: 650; }
        .quick-link b { color: var(--accent-2); font-size: 18px; }
        .faq-list { border-top: 1px solid var(--line); }
        .faq-list details { border-bottom: 1px solid var(--line); }
        .faq-list summary { position: relative; padding: 19px 40px 19px 0; cursor: pointer; list-style: none; font-weight: 650; }
        .faq-list summary::-webkit-details-marker { display: none; }
        .faq-list summary:after { content: "+"; position: absolute; right: 5px; top: 15px; color: var(--accent-2); font-size: 22px; font-weight: 400; }
        .faq-list details[open] summary:after { content: "−"; }
        .faq-list details p { max-width: 850px; margin: -3px 0 19px; color: var(--muted); font-size: 13px; line-height: 1.9; }
        .site-footer { padding: 45px 0 20px; background: #0d0f10; }
        .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 30px; padding-bottom: 32px; }
        .footer-brand p { max-width: 290px; margin: 13px 0 0; color: var(--muted); font-size: 12px; }
        .footer-column h2 { margin: 0 0 12px; font-size: 13px; }
        .footer-column a { display: block; width: fit-content; margin: 7px 0; color: var(--muted); font-size: 12px; }
        .footer-column a:hover { color: var(--accent-2); }
        .copyright { padding-top: 16px; border-top: 1px solid var(--line); color: var(--faint); font-size: 11px; }
        .copyright a { color: var(--faint); }
        @media (max-width: 1024px) {
            .nav-row { gap: 18px; }
            .nav-links { gap: 14px; }
            .movie-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
            .popular-band { grid-template-columns: repeat(3,minmax(0,1fr)); }
            .popular-card { height: 270px; }
            .service-grid { grid-template-columns: repeat(2,1fr); }
            .ranking-wrap { gap: 25px; }
        }
        @media (max-width: 768px) {
            .container { width: min(var(--width), calc(100% - 36px)); }
            .nav-row { min-height: 64px; }
            .menu-toggle { display: grid; place-items: center; }
            .nav-links {
                display: none; position: absolute; top: 64px; left: 0; right: 0; padding: 12px 18px 18px;
                flex-direction: column; align-items: stretch; gap: 0; border-bottom: 1px solid var(--line);
                background: #141719;
            }
            .nav-links.is-open { display: flex; }
            .nav-links a { padding: 11px 4px; border-bottom: 1px solid rgba(255,255,255,.06); }
            .hero { min-height: 410px; background-position: center; }
            .hero h1 { font-size: 40px; }
            .hero-description { font-size: 14px; }
            .section { padding: 52px 0; }
            .section-head { align-items: start; flex-direction: column; gap: 10px; }
            .section-head h2 { font-size: 25px; }
            .metrics { grid-template-columns: repeat(2,1fr); }
            .metric:nth-child(2) { border-right: 0; }
            .metric:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
            .service-grid { grid-template-columns: 1fr 1fr; }
            .service-item { grid-template-columns: 38px 1fr; padding: 16px; }
            .service-item .service-icon { width: 36px; height: 36px; }
            .service-item > a { grid-column: 2; }
            .channel-grid { grid-template-columns: repeat(2,1fr); }
            .ranking-wrap { grid-template-columns: 1fr; }
            .rank-side { display: none; }
            .news-grid { grid-template-columns: repeat(2,1fr); }
            .scene-grid { grid-template-columns: 1fr 1fr; }
            .scene:first-child { grid-column: 1 / -1; }
            .assurance-grid { grid-template-columns: repeat(2,1fr); }
            .assurance:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
            .assurance:nth-child(4) { border-top: 1px solid var(--line); }
            .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
            .footer-brand { grid-column: 1 / -1; }
        }
        @media (max-width: 520px) {
            .container { width: calc(100% - 32px); }
            .brand-name { font-size: 14px; }
            .hero { min-height: 440px; background-position: 58% center; }
            .hero-inner { padding-block: 47px 42px; }
            .hero h1 { font-size: 35px; }
            .hero-subtitle { font-size: 16px; }
            .hero-actions .button { flex: 1; padding-inline: 12px; }
            .section { padding: 43px 0; }
            .section-head h2 { font-size: 23px; }
            .movie-grid { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px 11px; }
            .movie-card h3 { font-size: 12px; }
            .movie-meta { align-items: start; flex-direction: column; }
            .movie-meta .badge { max-width: 100%; }
            .popular-band { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
            .popular-card { height: 235px; }
            .service-grid, .channel-grid { grid-template-columns: 1fr; }
            .service-item { min-height: 112px; }
            .compare { grid-template-columns: 1fr; }
            .compare-column { padding: 20px; }
            .compare-column + .compare-column { border-left: 0; border-top: 1px solid var(--line); }
            .compare-column p { min-height: 0; }
            .timeline { grid-template-columns: repeat(2,1fr); gap: 24px 0; }
            .timeline-item { padding-right: 13px; }
            .ranking-list li { grid-template-columns: 28px minmax(0,1fr) 51px 44px; gap: 7px; }
            .ranking-list li .rank-heat { display: none; }
            .rank-category { font-size: 10px; padding-inline: 7px; }
            .news-grid { grid-template-columns: 1fr; }
            .news-item { grid-template-columns: 100px 1fr; }
            .news-item img { width: 100px; }
            .scene-grid { grid-template-columns: 1fr; }
            .scene:first-child { grid-column: auto; }
            .scene { min-height: 158px; }
            .guide-grid { grid-template-columns: repeat(2,1fr); gap: 24px 10px; }
            .guide-step { padding-right: 10px; }
            .assurance { padding: 16px; }
            .quick-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: repeat(2,1fr); gap: 22px; }
            .footer-brand { grid-column: 1 / -1; }
        }
        @media (prefers-reduced-motion: reduce) {
            *, *:before, *:after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
        }