/* roulang page: index */
:root {
            --ink: #160e18;
            --surface: #211321;
            --surface-2: #2a1829;
            --surface-3: #351d32;
            --wine: #541e3e;
            --coral: #f27865;
            --peach: #ffb08f;
            --berry: #c8466c;
            --lavender: #c4acd5;
            --muted: #a992a8;
            --line: rgba(255, 201, 211, .16);
            --white: #fff7f3;
            --radius-lg: 20px;
            --radius-md: 14px;
            --shadow: 0 18px 42px rgba(0, 0, 0, .24);
        }

        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            color: var(--white);
            background: var(--ink);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            font-size: 15px;
            line-height: 1.8;
        }
        a { color: inherit; text-decoration: none; }
        img { display: block; max-width: 100%; }
        button, input, select, textarea { font: inherit; }
        button, a { transition: .2s ease; }
        :focus-visible { outline: 3px solid var(--peach); outline-offset: 3px; }

        .side-nav {
            position: fixed;
            inset: 0 auto 0 0;
            z-index: 20;
            width: 252px;
            padding: 28px 18px 22px;
            display: flex;
            flex-direction: column;
            background: #1b101b;
            border-right: 1px solid var(--line);
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 11px;
            padding: 5px 10px 30px;
            font-weight: 800;
            font-size: 19px;
            letter-spacing: 0;
        }
        .brand-mark {
            width: 34px;
            height: 34px;
            display: grid;
            place-items: center;
            color: var(--ink);
            background: var(--coral);
            border-radius: 11px;
            font-size: 15px;
            box-shadow: 0 8px 18px rgba(242, 120, 101, .22);
        }
        .nav-caption {
            padding: 0 12px 9px;
            color: var(--muted);
            font-size: 11px;
            letter-spacing: 1px;
        }
        .nav-list { display: grid; gap: 5px; }
        .nav-link {
            position: relative;
            display: flex;
            align-items: center;
            gap: 12px;
            min-height: 48px;
            padding: 10px 13px;
            color: #c9b4c4;
            border-radius: 12px;
        }
        .nav-link:hover { color: var(--white); background: rgba(255,255,255,.06); }
        .nav-link.active {
            color: var(--white);
            background: linear-gradient(90deg, rgba(200,70,108,.32), rgba(200,70,108,.08));
        }
        .nav-link.active::before {
            content: "";
            position: absolute;
            left: 0;
            width: 3px;
            height: 22px;
            border-radius: 3px;
            background: var(--coral);
        }
        .nav-index { width: 22px; color: var(--peach); font-size: 12px; }
        .nav-bottom {
            margin-top: auto;
            padding: 17px 13px;
            color: var(--muted);
            font-size: 12px;
            border-top: 1px solid var(--line);
        }
        .status-line { display: flex; align-items: center; gap: 8px; margin-bottom: 7px; color: var(--lavender); }
        .status-dot { width: 7px; height: 7px; background: var(--coral); border-radius: 50%; }

        .page-shell { margin-left: 252px; min-height: 100vh; }
        .mobile-bar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 15;
            padding: 13px 16px;
            background: rgba(27,16,27,.97);
            border-bottom: 1px solid var(--line);
        }
        .mobile-bar .brand { padding: 0; font-size: 16px; }
        .menu-button {
            border: 1px solid var(--line);
            background: transparent;
            color: var(--white);
            border-radius: 9px;
            padding: 5px 10px;
        }
        .content-wrap { max-width: 1360px; margin: auto; padding: 34px 6vw 0; }
        .topline {
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--muted);
            font-size: 13px;
            margin-bottom: 27px;
        }
        .crumb strong { color: var(--peach); font-weight: 600; }
        .search-mini {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 7px 12px;
            color: var(--muted);
            border: 1px solid var(--line);
            border-radius: 9px;
        }
        .hero {
            position: relative;
            overflow: hidden;
            min-height: 405px;
            padding: 46px;
            display: grid;
            grid-template-columns: minmax(0, 1.08fr) minmax(330px, .92fr);
            align-items: center;
            gap: 42px;
            background:
                linear-gradient(112deg, rgba(84,30,62,.96), rgba(39,20,40,.94)),
                repeating-linear-gradient(90deg, transparent 0, transparent 48px, rgba(255,255,255,.025) 49px);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
        }
        .hero::after {
            content: "";
            position: absolute;
            width: 370px;
            height: 370px;
            right: -130px;
            bottom: -180px;
            border: 1px solid rgba(255,176,143,.23);
            border-radius: 50%;
        }
        .eyebrow, .section-kicker {
            color: var(--peach);
            font-size: 12px;
            letter-spacing: 1.5px;
            text-transform: uppercase;
        }
        h1, h2, h3, p { margin-top: 0; }
        h1 { max-width: 620px; margin: 11px 0 18px; font-size: clamp(32px, 4vw, 51px); line-height: 1.18; letter-spacing: 0; font-weight: 800; }
        .hero-copy { max-width: 590px; color: #d8c6d2; font-size: 16px; line-height: 1.9; }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 27px; }
        .btn-main, .btn-quiet {
            min-height: 45px;
            padding: 9px 19px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 10px;
            font-weight: 700;
        }
        .btn-main { color: #21101a; background: var(--coral); border: 1px solid var(--coral); }
        .btn-main:hover { color: #21101a; background: var(--peach); border-color: var(--peach); transform: translateY(-2px); box-shadow: 0 10px 22px rgba(242,120,101,.22); }
        .btn-quiet { color: var(--white); background: transparent; border: 1px solid rgba(255,201,211,.34); }
        .btn-quiet:hover { background: rgba(255,255,255,.08); border-color: var(--peach); transform: translateY(-2px); }
        .hero-stats { display: flex; gap: 25px; margin-top: 30px; }
        .hero-stat strong { display: block; color: var(--white); font-size: 23px; line-height: 1.2; }
        .hero-stat span { color: var(--muted); font-size: 12px; }

        .dashboard {
            position: relative;
            z-index: 1;
            padding: 20px;
            background: rgba(20,11,21,.6);
            border: 1px solid rgba(255,201,211,.22);
            border-radius: 16px;
        }
        .dash-head { display: flex; justify-content: space-between; color: var(--lavender); font-size: 12px; }
        .dash-title { margin: 15px 0 21px; font-size: 21px; font-weight: 700; }
        .wave { display: flex; align-items: center; gap: 5px; height: 58px; margin: 12px 0 20px; }
        .wave i { flex: 1; height: 35%; background: var(--berry); border-radius: 3px; }
        .wave i:nth-child(2n) { height: 72%; background: var(--coral); }
        .wave i:nth-child(3n) { height: 48%; background: var(--lavender); }
        .dash-row { display: flex; justify-content: space-between; padding: 12px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
        .dash-row b { color: var(--white); font-weight: 600; }
        .tag-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 17px; }
        .tag { display: inline-flex; align-items: center; padding: 4px 10px; color: #f9d6d0; background: rgba(200,70,108,.18); border: 1px solid rgba(242,120,101,.24); border-radius: 999px; font-size: 12px; }

        section { padding: 86px 0 0; }
        .section-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 25px; }
        h2 { margin: 7px 0 5px; font-size: 29px; line-height: 1.3; font-weight: 800; }
        .section-desc { max-width: 650px; margin: 0; color: var(--muted); }
        .text-link { color: var(--peach); font-size: 13px; white-space: nowrap; }
        .text-link:hover { color: var(--white); }

        .metric-strip {
            display: grid;
            grid-template-columns: 1.15fr 1fr 1fr 1.2fr;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--surface);
        }
        .metric { min-height: 112px; padding: 20px 22px; border-right: 1px solid var(--line); }
        .metric:last-child { border: 0; }
        .metric b { display: block; margin-bottom: 5px; color: var(--white); font-size: 25px; }
        .metric span { color: var(--muted); font-size: 12px; }
        .metric .bar { height: 5px; margin-top: 13px; background: #4b3048; border-radius: 5px; overflow: hidden; }
        .metric .bar i { display: block; width: 76%; height: 100%; background: var(--coral); }
        .metric:nth-child(2) .bar i { width: 58%; background: var(--lavender); }
        .metric:nth-child(3) .bar i { width: 84%; background: var(--berry); }
        .metric:nth-child(4) .bar i { width: 67%; background: var(--peach); }

        .entry-grid { display: grid; grid-template-columns: 1.25fr .85fr .95fr; gap: 16px; }
        .entry-card {
            position: relative;
            min-height: 215px;
            padding: 25px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            overflow: hidden;
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
        }
        .entry-card.featured { background: linear-gradient(145deg, #54203f, #2a1829); min-height: 270px; }
        .entry-card:hover { border-color: rgba(255,176,143,.5); transform: translateY(-3px); box-shadow: var(--shadow); }
        .entry-number { color: var(--peach); font-size: 12px; }
        .entry-card h3 { margin: 19px 0 8px; font-size: 20px; }
        .entry-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
        .entry-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 25px; color: var(--peach); font-size: 13px; }
        .play-symbol { width: 42px; height: 42px; display: grid; place-items: center; color: var(--ink); background: var(--coral); border-radius: 50%; }
        .entry-card:nth-child(2) .play-symbol { background: var(--lavender); }
        .entry-card:nth-child(3) .play-symbol { background: var(--peach); }

        .media-rail { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
        .media-card { overflow: hidden; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md); }
        .thumb { position: relative; aspect-ratio: 16 / 9; display: flex; align-items: end; padding: 13px; background: linear-gradient(135deg, #6b2d52, #2c1830 58%, #ce5a68); }
        .media-card:nth-child(2) .thumb { background: linear-gradient(135deg, #42224f, #913c58 60%, #f19a76); }
        .media-card:nth-child(3) .thumb { background: linear-gradient(135deg, #302044, #5b2951 62%, #b95e7b); }
        .thumb::before { content: "▶"; width: 42px; height: 42px; display: grid; place-items: center; color: var(--white); background: rgba(20,11,21,.68); border: 1px solid rgba(255,255,255,.5); border-radius: 50%; }
        .duration { margin-left: auto; padding: 2px 7px; color: var(--white); background: rgba(20,11,21,.7); border-radius: 5px; font-size: 11px; }
        .media-body { padding: 17px; }
        .media-body h3 { display: -webkit-box; overflow: hidden; -webkit-line-clamp: 2; -webkit-box-orient: vertical; margin: 9px 0 7px; font-size: 17px; line-height: 1.45; }
        .media-body p { display: -webkit-box; overflow: hidden; -webkit-line-clamp: 2; -webkit-box-orient: vertical; margin: 0; color: var(--muted); font-size: 13px; }
        .meta { display: flex; justify-content: space-between; color: var(--muted); font-size: 11px; }

        .feature-band { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; padding: 28px; background: var(--surface-2); border-left: 4px solid var(--coral); border-radius: var(--radius-md); }
        .feature-band h3 { margin: 0 0 10px; font-size: 22px; }
        .feature-band p { margin: 0; color: var(--muted); }
        .topic-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 11px; }
        .topic-item { padding: 13px 15px; background: rgba(255,255,255,.04); border: 1px solid var(--line); border-radius: 10px; }
        .topic-item b { display: block; font-size: 14px; }
        .topic-item span { color: var(--muted); font-size: 12px; }

        .compare { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
        .compare-panel { padding: 25px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md); }
        .compare-panel.highlight { border-color: rgba(242,120,101,.6); background: #32192d; }
        .compare-title { display: flex; justify-content: space-between; margin-bottom: 20px; font-size: 17px; font-weight: 700; }
        .compare-list { display: grid; gap: 13px; margin: 0; padding: 0; list-style: none; color: var(--muted); font-size: 13px; }
        .compare-list li { display: flex; gap: 10px; align-items: start; }
        .compare-list li::before { content: "—"; color: var(--coral); }
        .path { height: 6px; margin-top: 23px; background: #493048; border-radius: 4px; overflow: hidden; }
        .path i { display: block; width: 44%; height: 100%; background: var(--lavender); }
        .highlight .path i { width: 82%; background: var(--coral); }

        .news-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 18px; }
        .news-list, .news-side { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md); }
        .news-list { padding: 8px 22px; }
        .news-row { display: flex; justify-content: space-between; gap: 18px; padding: 17px 0; border-bottom: 1px solid var(--line); }
        .news-row:last-child { border: 0; }
        .news-row a:hover { color: var(--peach); }
        .news-row small { flex: 0 0 auto; color: var(--muted); }
        .news-side { padding: 24px; background: linear-gradient(145deg, #351d32, #241524); }
        .news-side h3 { margin-bottom: 10px; font-size: 19px; }
        .news-side p { color: var(--muted); font-size: 13px; }

        .accordion-item { margin-bottom: 10px; overflow: hidden; background: var(--surface); border: 1px solid var(--line); border-radius: 12px !important; }
        .accordion-button { padding: 17px 20px; color: var(--white); background: transparent; box-shadow: none !important; font-weight: 600; }
        .accordion-button:not(.collapsed) { color: var(--peach); background: rgba(200,70,108,.12); }
        .accordion-button::after { filter: invert(1) sepia(1) saturate(2); }
        .accordion-body { padding: 0 20px 18px; color: var(--muted); font-size: 13px; }

        .cta-box { display: grid; grid-template-columns: 1fr 1.1fr; gap: 35px; padding: 34px; background: #3d1c35; border: 1px solid rgba(242,120,101,.35); border-radius: var(--radius-lg); }
        .cta-box h2 { margin-top: 0; }
        .cta-box p { color: var(--muted); }
        .form-control, .form-select { min-height: 46px; color: var(--white); background: #251526; border: 1px solid var(--line); border-radius: 9px; }
        .form-control::placeholder { color: #806d7e; }
        .form-control:focus, .form-select:focus { color: var(--white); background: #2b192b; border-color: var(--coral); box-shadow: 0 0 0 3px rgba(242,120,101,.15); }
        textarea.form-control { min-height: 100px; }
        .form-check-label { color: var(--muted); font-size: 12px; }
        .form-check-input { background-color: #251526; border-color: var(--line); }
        .form-check-input:checked { background-color: var(--coral); border-color: var(--coral); }

        footer { margin-top: 86px; padding: 46px 0 27px; background: #120b13; border-top: 1px solid var(--line); }
        .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 35px; }
        footer .brand { padding: 0 0 13px; }
        footer p, footer a { color: var(--muted); font-size: 13px; }
        footer a:hover { color: var(--peach); }
        .footer-title { margin-bottom: 12px; color: var(--white); font-weight: 700; }
        .footer-links { display: grid; gap: 5px; }
        .copyright { margin: 35px 0 0; padding-top: 18px; color: #756273; border-top: 1px solid var(--line); font-size: 12px; }

        @media (max-width: 1100px) {
            .side-nav { width: 215px; }
            .page-shell { margin-left: 215px; }
            .content-wrap { padding-right: 4vw; padding-left: 4vw; }
            .hero { padding: 34px; grid-template-columns: 1fr .9fr; gap: 25px; }
            .entry-grid { grid-template-columns: 1fr 1fr; }
            .entry-card.featured { grid-row: span 2; }
        }
        @media (max-width: 767px) {
            .side-nav { display: none; }
            .page-shell { margin-left: 0; }
            .mobile-bar { display: flex; align-items: center; justify-content: space-between; }
            .content-wrap { padding-top: 24px; }
            .topline { align-items: start; }
            .search-mini { display: none; }
            .hero { grid-template-columns: 1fr; padding: 29px 23px; }
            .hero::after { display: none; }
            h1 { font-size: 34px; }
            .metric-strip { grid-template-columns: 1fr 1fr; }
            .metric:nth-child(2) { border-right: 0; }
            .metric:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
            .entry-grid, .feature-band, .news-layout, .cta-box { grid-template-columns: 1fr; }
            .entry-card.featured { grid-row: auto; }
            .media-rail { grid-template-columns: 1fr 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 520px) {
            section { padding-top: 64px; }
            .content-wrap { padding-right: 16px; padding-left: 16px; }
            .hero { min-height: auto; }
            .hero-actions, .hero-actions a { width: 100%; }
            .hero-stats { gap: 16px; }
            .metric-strip, .media-rail, .compare, .topic-list, .footer-grid { grid-template-columns: 1fr; }
            .metric { border-right: 0; border-bottom: 1px solid var(--line); }
            .metric:last-child { border-bottom: 0; }
            .section-head { display: block; }
            .section-head .text-link { display: inline-block; margin-top: 12px; }
            .cta-box { padding: 24px 19px; }
            .news-row { display: block; }
            .news-row small { display: block; margin-top: 4px; }
        }
        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
        }

/* roulang page: category1 */
:root{
 --ink:#160e18;
 --surface:#211321;
 --surface-2:#2a1829;
 --surface-3:#351d32;
 --wine:#541e3e;
 --coral:#f27865;
 --peach:#ffb08f;
 --berry:#c8466c;
 --lavender:#c4acd5;
 --muted:#a992a8;
 --line:rgba(255,201,211,.16);
 --white:#fff7f3;
 --radius-lg:20px;
 --radius-md:14px;
 --shadow:0 18px 42px rgba(0,0,0,.24);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 color:var(--white);
 background:var(--ink);
 font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
 font-size:15px;
 line-height:1.8;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,select,textarea{font:inherit}
button,a{transition:.2s ease}
:focus-visible{outline:3px solid var(--peach);outline-offset:3px}
.side-nav{
 position:fixed;inset:0 auto 0 0;z-index:20;width:252px;
 padding:28px 18px 22px;display:flex;flex-direction:column;
 background:#1b101b;border-right:1px solid var(--line)
}
.brand{
 display:flex;align-items:center;gap:11px;padding:5px 10px 30px;
 font-weight:800;font-size:19px;letter-spacing:0
}
.brand-mark{
 width:34px;height:34px;display:grid;place-items:center;
 color:var(--ink);background:var(--coral);border-radius:11px;
 font-size:15px;box-shadow:0 8px 18px rgba(242,120,101,.22)
}
.nav-caption{padding:0 12px 9px;color:var(--muted);font-size:11px;letter-spacing:1px}
.nav-list{display:grid;gap:5px}
.nav-link{
 position:relative;display:flex;align-items:center;gap:12px;
 min-height:48px;padding:10px 13px;color:#c9b4c4;border-radius:12px
}
.nav-link:hover{color:var(--white);background:rgba(255,255,255,.06)}
.nav-link.active{
 color:var(--white);
 background:linear-gradient(90deg,rgba(200,70,108,.32),rgba(200,70,108,.08))
}
.nav-link.active:before{
 content:"";position:absolute;left:0;width:3px;height:22px;
 border-radius:3px;background:var(--coral)
}
.nav-index{width:22px;color:var(--peach);font-size:12px}
.nav-bottom{
 margin-top:auto;padding:17px 13px;color:var(--muted);
 font-size:12px;border-top:1px solid var(--line)
}
.mobile-bar{
 display:none;position:sticky;top:0;z-index:15;padding:13px 16px;
 background:rgba(27,16,27,.97);border-bottom:1px solid var(--line)
}
.mobile-bar .brand{padding:0;font-size:16px}
.menu-button{
 border:1px solid var(--line);background:transparent;color:var(--white);
 border-radius:9px;padding:5px 10px
}
.content-shell{margin-left:252px;min-height:100vh}
.content-wrap{width:min(1280px,calc(100% - 84px));margin:0 auto}
.topline{
 display:flex;justify-content:space-between;align-items:center;
 padding:26px 0 18px;color:var(--muted);font-size:13px
}
.breadcrumbs{display:flex;gap:9px;align-items:center}
.breadcrumbs a{color:var(--lavender)}
.breadcrumbs a:hover{color:var(--peach)}
.status{display:flex;align-items:center;gap:8px}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--coral);box-shadow:0 0 0 5px rgba(242,120,101,.1)}
.page-intro{
 display:flex;justify-content:space-between;align-items:end;gap:35px;
 padding:24px 0 38px;border-bottom:1px solid var(--line)
}
.kicker,.section-kicker{color:var(--peach);font-size:12px;letter-spacing:1.5px}
h1,h2,h3,p{margin-top:0}
h1{
 margin:10px 0 14px;font-size:clamp(32px,4vw,48px);
 line-height:1.2;letter-spacing:-1px;font-weight:800
}
h2{font-size:28px;line-height:1.3;margin-bottom:10px}
h3{font-size:18px;line-height:1.4;margin-bottom:8px}
.intro-copy{max-width:690px;color:#d7c5d1;font-size:16px;margin-bottom:0}
.intro-meta{
 min-width:230px;padding:18px 20px;background:var(--surface);
 border:1px solid var(--line);border-radius:var(--radius-md)
}
.meta-line{display:flex;justify-content:space-between;padding:7px 0;color:var(--muted);font-size:12px;border-bottom:1px solid var(--line)}
.meta-line:last-child{border-bottom:0}
.meta-line b{color:var(--white)}
.section{padding:62px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:23px}
.section-note{max-width:480px;color:var(--muted);font-size:14px;margin:0}
.filter-bar{
 display:flex;align-items:center;gap:12px;flex-wrap:wrap;
 padding:14px;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius-md);margin-bottom:28px
}
.filter-label{color:var(--peach);font-size:13px;font-weight:700;margin-right:4px}
.filter-chip{
 display:inline-flex;align-items:center;padding:7px 14px;color:var(--lavender);
 background:transparent;border:1px solid var(--line);border-radius:9px;font-size:13px
}
.filter-chip:hover,.filter-chip.active{color:var(--white);background:var(--wine);border-color:var(--coral)}
.select-wrap{margin-left:auto}
.select-wrap select{
 min-width:150px;padding:8px 32px 8px 12px;color:var(--white);
 background:var(--surface-2);border:1px solid var(--line);border-radius:9px
}
.theme-layout{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(260px,.55fr);gap:22px}
.theme-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:16px}
.theme-card{
 position:relative;overflow:hidden;min-height:218px;padding:23px;
 display:flex;flex-direction:column;justify-content:end;
 background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-lg);
 isolation:isolate
}
.theme-card.large{min-height:354px}
.theme-card:before{
 content:"";position:absolute;inset:0;z-index:-2;
 background:linear-gradient(145deg,#6d294e 0%,#321c36 52%,#1c1323 100%)
}
.theme-card:nth-child(2):before{background:linear-gradient(145deg,#493263,#24192d 72%)}
.theme-card:nth-child(3):before{background:linear-gradient(145deg,#873e4e,#321b32 70%)}
.theme-card:after{
 content:"";position:absolute;inset:0;z-index:-1;
 background:linear-gradient(0deg,rgba(20,10,20,.9),rgba(20,10,20,.03) 75%)
}
.theme-card:hover{transform:translateY(-3px);border-color:rgba(242,120,101,.65);box-shadow:0 14px 30px rgba(0,0,0,.25)}
.play-badge{
 position:absolute;top:20px;right:20px;width:42px;height:42px;
 display:grid;place-items:center;color:var(--ink);background:var(--peach);
 border-radius:50%;font-size:14px
}
.card-number{color:var(--peach);font-size:12px;letter-spacing:1px;margin-bottom:6px}
.theme-card h3{font-size:22px;margin-bottom:7px}
.theme-card p{color:#e1cfd8;font-size:13px;line-height:1.7;margin-bottom:14px;max-width:460px}
.card-foot{display:flex;align-items:center;justify-content:space-between;color:var(--lavender);font-size:12px}
.arrow{color:var(--coral);font-size:18px}
.side-panel{
 padding:23px;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius-lg)
}
.side-panel h3{margin-bottom:20px}
.metric{padding:15px 0;border-top:1px solid var(--line)}
.metric:first-of-type{border-top:0;padding-top:0}
.metric strong{display:block;font-size:25px;color:var(--white);line-height:1.2}
.metric span{color:var(--muted);font-size:12px}
.progress-line{height:5px;margin-top:10px;background:#40273d;border-radius:5px;overflow:hidden}
.progress-line i{display:block;height:100%;background:var(--coral);border-radius:inherit}
.progress-line.purple i{background:var(--lavender)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.step{padding:23px;background:var(--surface);border-right:1px solid var(--line)}
.step:last-child{border-right:0}
.step-no{display:block;color:var(--coral);font-size:13px;font-weight:800;margin-bottom:22px}
.step p{color:var(--muted);font-size:13px;margin-bottom:0}
.compare{
 display:grid;grid-template-columns:1fr 1fr;gap:1px;
 background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden
}
.compare-item{padding:27px;background:var(--surface)}
.compare-item.highlight{background:linear-gradient(135deg,#442039,#2a1829)}
.compare-label{color:var(--muted);font-size:12px;letter-spacing:1px}
.compare-item h3{margin:10px 0 17px}
.compare-list{list-style:none;padding:0;margin:0}
.compare-list li{position:relative;padding:9px 0 9px 22px;color:#d6c3d0;border-top:1px solid var(--line);font-size:13px}
.compare-list li:before{content:"";position:absolute;left:0;top:18px;width:8px;height:8px;border-radius:50%;background:var(--berry)}
.accordion{--bs-accordion-bg:transparent;--bs-accordion-color:var(--white);--bs-accordion-border-color:var(--line);--bs-accordion-btn-color:var(--white);--bs-accordion-btn-bg:var(--surface);--bs-accordion-active-bg:var(--surface-2);--bs-accordion-active-color:var(--white);--bs-accordion-btn-focus-box-shadow:none}
.accordion-item{margin-bottom:9px;border:1px solid var(--line)!important;border-radius:12px!important;overflow:hidden}
.accordion-button{min-height:58px;font-weight:700}
.accordion-button:after{filter:invert(1);opacity:.7}
.accordion-body{color:var(--muted);font-size:14px;background:var(--surface-2);padding:0 20px 19px}
.cta{
 display:flex;justify-content:space-between;align-items:center;gap:25px;
 padding:31px 34px;background:linear-gradient(110deg,#57213f,#321a32);
 border:1px solid rgba(242,120,101,.36);border-radius:var(--radius-lg)
}
.cta p{color:#d8c5d2;margin:6px 0 0;font-size:14px}
.cta-actions{display:flex;gap:10px;flex-wrap:wrap;flex-shrink:0}
.btn-main,.btn-quiet{
 min-height:45px;padding:9px 19px;display:inline-flex;align-items:center;
 justify-content:center;gap:8px;border-radius:10px;font-weight:700
}
.btn-main{color:#21101a;background:var(--coral);border:1px solid var(--coral)}
.btn-main:hover{color:#21101a;background:var(--peach);border-color:var(--peach);transform:translateY(-2px);box-shadow:0 10px 22px rgba(242,120,101,.22)}
.btn-quiet{color:var(--white);background:transparent;border:1px solid rgba(255,201,211,.34)}
.btn-quiet:hover{background:rgba(255,255,255,.08);border-color:var(--peach);transform:translateY(-2px)}
footer{margin-top:70px;padding:42px 0 22px;background:#1b101b;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:35px}
footer .brand{padding:0 0 14px;font-size:18px}
footer p{max-width:310px;color:var(--muted);font-size:13px;margin:0}
.footer-title{color:var(--peach);font-size:12px;font-weight:700;margin-bottom:13px;letter-spacing:.5px}
.footer-links{display:grid;gap:8px;color:#c9b4c4;font-size:13px}
.footer-links a:hover{color:var(--coral)}
.copyright{margin-top:35px;padding-top:18px;border-top:1px solid var(--line);color:#806e7f;font-size:12px}
@media(max-width:991px){
 .side-nav{width:210px}.content-shell{margin-left:210px}.content-wrap{width:min(100% - 44px,900px)}
 .theme-layout{grid-template-columns:1fr}.side-panel{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.side-panel h3{grid-column:1/-1;margin-bottom:0}
}
@media(max-width:767px){
 .side-nav{display:none}.mobile-bar{display:flex;align-items:center;justify-content:space-between;gap:12px}
 .content-shell{margin-left:0}.content-wrap{width:calc(100% - 32px)}
 .page-intro{display:block;padding-top:18px}.intro-meta{margin-top:24px}
 .topline{padding:18px 0 8px}.topline .status{display:none}
 .theme-grid{grid-template-columns:1fr}.theme-card.large{min-height:285px}
 .steps{grid-template-columns:1fr}.step{border-right:0;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}
 .cta{display:block;padding:26px 22px}.cta-actions{margin-top:20px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:1/-1}
}
@media(max-width:520px){
 h1{font-size:31px}.section{padding:45px 0}.section-head{display:block}.section-note{margin-top:10px}
 .filter-bar{align-items:stretch}.filter-label{width:100%}.select-wrap{margin-left:0;width:100%}.select-wrap select{width:100%}
 .side-panel{display:block}.metric{padding:13px 0}.compare{grid-template-columns:1fr}
 .compare-item{padding:22px}.cta-actions a{width:100%}.footer-grid{grid-template-columns:1fr}
 .footer-grid>div:first-child{grid-column:auto}.copyright{line-height:1.7}
}
@media(prefers-reduced-motion:reduce){
 *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
}

/* roulang page: category2 */
:root{
      --ink:#160e18;--surface:#211321;--surface-2:#2a1829;--surface-3:#351d32;
      --wine:#541e3e;--coral:#f27865;--peach:#ffb08f;--berry:#c8466c;
      --lavender:#c4acd5;--muted:#a992a8;--line:rgba(255,201,211,.16);
      --white:#fff7f3;--radius-lg:20px;--radius-md:14px;
      --shadow:0 18px 42px rgba(0,0,0,.24);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--white);background:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:15px;line-height:1.8}
    a{color:inherit;text-decoration:none;transition:.2s ease}
    img{display:block;max-width:100%}
    button,input,select,textarea{font:inherit}
    button,a{transition:.2s ease}
    :focus-visible{outline:3px solid var(--peach);outline-offset:3px}
    .side-nav{position:fixed;inset:0 auto 0 0;z-index:20;width:252px;padding:28px 18px 22px;display:flex;flex-direction:column;background:#1b101b;border-right:1px solid var(--line)}
    .brand{display:flex;align-items:center;gap:11px;padding:5px 10px 30px;font-weight:800;font-size:19px;letter-spacing:0}
    .brand-mark{width:34px;height:34px;display:grid;place-items:center;color:var(--ink);background:var(--coral);border-radius:11px;font-size:15px;box-shadow:0 8px 18px rgba(242,120,101,.22)}
    .nav-caption{padding:0 12px 9px;color:var(--muted);font-size:11px;letter-spacing:1px}
    .nav-list{display:grid;gap:5px}
    .nav-link{position:relative;display:flex;align-items:center;gap:12px;min-height:48px;padding:10px 13px;color:#c9b4c4;border-radius:12px}
    .nav-link:hover{color:var(--white);background:rgba(255,255,255,.06)}
    .nav-link.active{color:var(--white);background:linear-gradient(90deg,rgba(200,70,108,.32),rgba(200,70,108,.08))}
    .nav-link.active::before{content:"";position:absolute;left:0;width:3px;height:22px;border-radius:3px;background:var(--coral)}
    .nav-index{width:22px;color:var(--peach);font-size:12px}
    .nav-bottom{margin-top:auto;padding:17px 13px;color:var(--muted);font-size:12px;border-top:1px solid var(--line)}
    .mobile-bar{display:none;position:sticky;top:0;z-index:15;padding:13px 16px;background:rgba(27,16,27,.97);border-bottom:1px solid var(--line)}
    .mobile-bar .brand{padding:0;font-size:16px}
    .menu-button{border:1px solid var(--line);background:transparent;color:var(--white);border-radius:9px;padding:5px 10px}
    .content-wrap{width:min(100% - 56px,1260px);margin:0 auto}
    main{margin-left:252px;padding:28px 0 80px}
    .topline{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px;color:var(--muted);font-size:13px}
    .crumbs{display:flex;gap:10px;align-items:center}
    .crumbs a:hover{color:var(--peach)}
    .search-mini{display:flex;align-items:center;gap:8px;padding:7px 12px;color:var(--muted);border:1px solid var(--line);border-radius:9px}
    .section-kicker,.eyebrow{color:var(--peach);font-size:12px;letter-spacing:1.5px}
    .page-intro{display:grid;grid-template-columns:1.18fr .82fr;gap:34px;align-items:end;padding:28px 0 35px;border-bottom:1px solid var(--line)}
    h1{margin:10px 0 14px;font-size:clamp(32px,4vw,48px);line-height:1.18;letter-spacing:-1px;font-weight:800}
    h2{margin:0;font-size:28px;line-height:1.3;font-weight:750}
    h3{margin:0;font-size:18px;line-height:1.4}
    .intro-copy{max-width:700px;color:#d7c4d1;font-size:16px}
    .intro-note{padding:20px 22px;background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--coral);border-radius:var(--radius-md)}
    .note-label{color:var(--muted);font-size:12px}.note-value{display:block;margin-top:4px;color:var(--white);font-weight:700;font-size:19px}
    .filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:18px 20px;margin:30px 0;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-md)}
    .filter-label{margin-right:8px;color:var(--peach);font-size:13px;font-weight:700}
    .filter-chip{padding:7px 14px;color:var(--lavender);background:transparent;border:1px solid var(--line);border-radius:9px;font-size:13px}
    .filter-chip:hover,.filter-chip.active{color:var(--ink);background:var(--peach);border-color:var(--peach)}
    .select-wrap{margin-left:auto;display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px}
    select{min-width:132px;padding:7px 30px 7px 11px;color:var(--white);background:var(--surface-3);border:1px solid var(--line);border-radius:9px}
    select:focus,input:focus,textarea:focus{outline:2px solid var(--coral);outline-offset:2px}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin:46px 0 20px}
    .section-head p{margin:0;color:var(--muted);font-size:13px}
    .media-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
    .media-card{display:grid;grid-template-columns:42% 1fr;min-height:190px;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg)}
    .media-card:hover{border-color:rgba(255,176,143,.55);transform:translateY(-3px);box-shadow:var(--shadow)}
    .thumb{position:relative;min-height:190px;overflow:hidden;background:linear-gradient(135deg,#592244,#b54867 56%,#f29a78)}
    .thumb.two{background:linear-gradient(135deg,#2b1d42,#754267 55%,#c87886)}
    .thumb.three{background:linear-gradient(135deg,#3c1d35,#86354d 55%,#ffad86)}
    .thumb.four{background:linear-gradient(135deg,#261a35,#5c3260 58%,#d77980)}
    .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(145deg,rgba(255,255,255,.08),transparent 45%,rgba(0,0,0,.26))}
    .thumb-mark{position:absolute;left:15px;top:14px;z-index:1;color:#ffd8c5;font-size:11px;letter-spacing:1px}
    .play{position:absolute;z-index:2;left:50%;top:50%;transform:translate(-50%,-50%);width:47px;height:47px;display:grid;place-items:center;color:var(--ink);background:var(--peach);border-radius:50%;font-size:17px;padding-left:3px;box-shadow:0 8px 24px rgba(0,0,0,.25)}
    .media-card:hover .play{background:var(--coral);transform:translate(-50%,-50%) scale(1.06)}
    .media-info{padding:22px 21px;display:flex;flex-direction:column}
    .tag-row{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:12px}
    .tag{display:inline-flex;padding:3px 9px;color:#f9d6d0;background:rgba(200,70,108,.19);border:1px solid rgba(242,120,101,.23);border-radius:999px;font-size:11px}
    .media-info p{margin:9px 0;color:var(--muted);font-size:13px;line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .media-meta{margin-top:auto;display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px}
    .text-link{color:var(--peach);font-weight:700}.text-link:hover{color:var(--coral)}
    .pulse{display:inline-block;width:7px;height:7px;margin-right:6px;background:var(--coral);border-radius:50%;vertical-align:middle}
    .timeline-section{margin-top:58px;padding:30px;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-lg)}
    .timeline{position:relative;margin-top:23px;padding-left:25px}
    .timeline::before{content:"";position:absolute;left:5px;top:6px;bottom:7px;width:1px;background:linear-gradient(var(--coral),var(--line))}
    .timeline-item{position:relative;padding:0 0 24px 20px}.timeline-item:last-child{padding-bottom:0}
    .timeline-item::before{content:"";position:absolute;left:-24px;top:8px;width:10px;height:10px;border:2px solid var(--coral);background:var(--surface-2);border-radius:50%}
    .timeline-item strong{display:block;font-size:15px}.timeline-item span{color:var(--muted);font-size:13px}
    .tip-band{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:22px}
    .tip-card{padding:23px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md)}
    .tip-card h3{color:var(--peach);margin-bottom:7px}.tip-card p{margin:0;color:var(--muted);font-size:13px}
    .faq-section{margin-top:58px;max-width:900px}
    .accordion-item{margin-bottom:10px;overflow:hidden;background:var(--surface);border:1px solid var(--line)!important;border-radius:var(--radius-md)!important}
    .accordion-button{padding:18px 20px;color:var(--white);background:var(--surface)!important;box-shadow:none!important;font-weight:700}
    .accordion-button:not(.collapsed){color:var(--peach);background:var(--surface-3)!important}
    .accordion-button::after{filter:invert(90%);}.accordion-body{padding:0 20px 19px;color:var(--muted);font-size:14px;background:var(--surface-3)}
    .cta{display:flex;justify-content:space-between;align-items:center;gap:25px;margin-top:58px;padding:30px 34px;background:linear-gradient(100deg,var(--wine),var(--surface-2));border:1px solid rgba(242,120,101,.35);border-radius:var(--radius-lg)}
    .cta p{margin:7px 0 0;color:#d8c4d1;font-size:14px}
    .btn-main,.btn-quiet{min-height:45px;padding:9px 19px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;font-weight:700}
    .btn-main{color:#21101a;background:var(--coral);border:1px solid var(--coral)}.btn-main:hover{color:#21101a;background:var(--peach);border-color:var(--peach);transform:translateY(-2px);box-shadow:0 10px 22px rgba(242,120,101,.22)}
    footer{margin-left:252px;padding:43px 0 25px;background:#1b101b;border-top:1px solid var(--line)}
    footer .brand{padding:0 0 15px}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:38px}.footer-grid p{max-width:330px;margin:0;color:var(--muted);font-size:13px}
    .footer-title{margin-bottom:10px;color:var(--peach);font-size:13px;font-weight:700}.footer-links{display:grid;gap:5px;color:var(--muted);font-size:13px}.footer-links a:hover{color:var(--white)}
    .copyright{margin-top:35px;padding-top:17px;color:#806d7d;font-size:12px;border-top:1px solid var(--line)}
    @media(max-width:1100px){.content-wrap{width:min(100% - 38px,960px)}.page-intro{grid-template-columns:1fr}.media-grid{grid-template-columns:1fr}}
    @media(max-width:768px){.side-nav{display:none}.mobile-bar{display:flex;justify-content:space-between;align-items:center}.mobile-menu{display:none;padding:14px 16px;background:#1b101b;border-bottom:1px solid var(--line)}.mobile-menu.open{display:block}.mobile-menu .nav-list{grid-template-columns:1fr 1fr}main{margin-left:0;padding:20px 0 58px}footer{margin-left:0}.topline{align-items:flex-start}.search-mini{display:none}.hero-actions{width:100%}.cta{align-items:flex-start;flex-direction:column}}
    @media(max-width:520px){.content-wrap{width:min(100% - 28px,460px)}.brand{font-size:16px}.mobile-menu .nav-list{grid-template-columns:1fr}.page-intro{padding-top:15px}.intro-note{margin-top:5px}.filter-bar{align-items:flex-start;padding:15px}.select-wrap{width:100%;margin:5px 0 0}.select-wrap select{flex:1}.section-head{align-items:flex-start;flex-direction:column;margin-top:38px}.media-card{grid-template-columns:1fr}.thumb{min-height:180px}.media-info{min-height:180px}.tip-band{grid-template-columns:1fr}.timeline-section{padding:22px 18px}.cta{padding:25px 22px}.btn-main{width:100%}.footer-grid{grid-template-columns:1fr;gap:25px}.copyright{margin-top:27px}}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}