/* roulang page: index */
:root {
            --blue-900: #17346f;
            --blue-800: #1d438e;
            --blue-700: #2457d6;
            --blue-600: #396fe3;
            --blue-100: #eaf1ff;
            --blue-050: #f5f8ff;
            --ink: #17233d;
            --muted: #66738e;
            --soft: #8d98ad;
            --surface: #ffffff;
            --page: #f7f9fd;
            --line: #e2e8f3;
            --success: #208a69;
            --warning: #b87820;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 8px 24px rgba(35, 62, 112, .07);
            --shadow-md: 0 18px 45px rgba(35, 62, 112, .12);
            --container: 1180px;
            --ease: 200ms ease;
        }

        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            background: var(--page);
            color: var(--ink);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
                "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
        }
        img { max-width: 100%; display: block; }
        a { color: inherit; text-decoration: none; transition: color var(--ease), background var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease); }
        button, input { font: inherit; }
        button { cursor: pointer; }
        :focus-visible { outline: 3px solid rgba(57,111,227,.35); outline-offset: 3px; }
        .container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
        .section { padding: 88px 0; }
        .section--tight { padding: 58px 0; }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--blue-700);
            font-size: 13px;
            font-weight: 800;
            letter-spacing: .08em;
        }
        .eyebrow::before {
            content: "";
            width: 22px;
            height: 2px;
            background: var(--blue-700);
            border-radius: 4px;
        }
        h1, h2, h3, p { margin-top: 0; }
        h1, h2, h3 { color: var(--ink); line-height: 1.25; letter-spacing: -.035em; }
        h1 { font-size: clamp(36px, 5vw, 64px); margin-bottom: 22px; }
        h2 { font-size: clamp(28px, 3.3vw, 42px); margin-bottom: 16px; }
        h3 { font-size: 20px; margin-bottom: 10px; }
        .section-heading { max-width: 700px; margin-bottom: 40px; }
        .section-heading p { color: var(--muted); margin-bottom: 0; font-size: 17px; }

        .site-header {
            background: rgba(255,255,255,.96);
            border-bottom: 1px solid var(--line);
            position: relative;
            z-index: 10;
        }
        .topbar {
            min-height: 78px;
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 11px;
            min-width: 290px;
            font-size: 18px;
            font-weight: 900;
            color: var(--blue-900);
            line-height: 1.25;
        }
        .brand-mark {
            width: 35px;
            height: 35px;
            border-radius: 11px;
            background: var(--blue-700);
            position: relative;
            box-shadow: 0 7px 16px rgba(36,87,214,.23);
            flex: 0 0 auto;
        }
        .brand-mark::after {
            content: "";
            position: absolute;
            width: 11px;
            height: 11px;
            border: 3px solid #fff;
            border-radius: 50%;
            top: 9px;
            left: 9px;
        }
        .top-search {
            display: flex;
            flex: 1;
            max-width: 480px;
            border: 1px solid var(--line);
            background: var(--page);
            border-radius: 12px;
            overflow: hidden;
        }
        .top-search input {
            min-width: 0;
            flex: 1;
            border: 0;
            background: transparent;
            box-shadow: none;
            margin: 0;
            padding: 10px 14px;
            color: var(--ink);
        }
        .top-search input:focus { box-shadow: none; background: #fff; }
        .search-button {
            border: 0;
            padding: 0 18px;
            background: transparent;
            color: var(--blue-700);
            font-weight: 800;
        }
        .search-button:hover { background: var(--blue-100); }
        .header-actions { margin-left: auto; display: flex; align-items: center; gap: 12px; }
        .button {
            border-radius: 10px;
            padding: 12px 19px;
            font-weight: 800;
            line-height: 1.3;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid transparent;
            transition: all var(--ease);
        }
        .button--primary { background: var(--blue-700); color: #fff; box-shadow: 0 8px 18px rgba(36,87,214,.18); }
        .button--primary:hover { background: var(--blue-800); color: #fff; transform: translateY(-2px); box-shadow: 0 12px 24px rgba(36,87,214,.25); }
        .button--secondary { background: var(--blue-100); color: var(--blue-800); }
        .button--secondary:hover { background: #dce8ff; color: var(--blue-900); }
        .button--ghost { border-color: var(--line); background: #fff; color: var(--blue-800); }
        .button--ghost:hover { border-color: var(--blue-600); background: var(--blue-050); }
        .button[disabled] { opacity: .48; cursor: not-allowed; transform: none; }

        .channel-bar {
            border-top: 1px solid #f0f3f8;
            background: #fff;
            overflow: hidden;
        }
        .channel-list {
            display: flex;
            align-items: center;
            gap: 8px;
            min-height: 52px;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .channel-list::-webkit-scrollbar { display: none; }
        .channel-link {
            white-space: nowrap;
            padding: 7px 14px;
            color: var(--muted);
            border-radius: 99px;
            font-size: 14px;
            font-weight: 750;
        }
        .channel-link:hover { color: var(--blue-700); background: var(--blue-050); }
        .channel-link.active { color: #fff; background: var(--blue-700); box-shadow: 0 5px 14px rgba(36,87,214,.18); }

        .hero {
            padding: 76px 0 64px;
            background:
                radial-gradient(circle at 86% 20%, rgba(223,234,255,.85), transparent 30%),
                linear-gradient(180deg, #fff 0%, #f7f9fd 100%);
        }
        .hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
        .hero-copy { max-width: 680px; }
        .hero-copy p { color: var(--muted); font-size: 18px; max-width: 630px; margin-bottom: 28px; }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 30px; }
        .hero-points { display: flex; flex-wrap: wrap; gap: 10px 22px; color: var(--muted); font-size: 14px; }
        .hero-points span::before { content: "✓"; color: var(--success); font-weight: 900; margin-right: 7px; }
        .hero-board {
            min-height: 360px;
            border: 1px solid #d9e4fa;
            border-radius: var(--radius-lg);
            background: #fff;
            padding: 22px;
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
        }
        .hero-board::before {
            content: "";
            position: absolute;
            inset: 0 0 auto;
            height: 92px;
            background: var(--blue-050);
            border-bottom: 1px solid #e2eafa;
        }
        .board-head, .board-body { position: relative; z-index: 1; }
        .board-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; }
        .board-title { font-weight: 850; color: var(--blue-900); }
        .status { color: var(--success); font-size: 13px; font-weight: 800; }
        .status::before { content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--success); margin-right: 6px; }
        .abstract-grid { display: grid; grid-template-columns: 1.35fr .8fr .8fr; grid-template-rows: 110px 110px; gap: 10px; }
        .abstract-tile {
            border-radius: 13px;
            background: linear-gradient(135deg, #dbe8ff, #f4f7ff);
            border: 1px solid #cfddf7;
            position: relative;
            overflow: hidden;
        }
        .abstract-tile::after {
            content: "";
            position: absolute;
            left: 14px; right: 14px; bottom: 14px; height: 7px;
            border-radius: 5px; background: rgba(36,87,214,.25);
            box-shadow: 0 -14px 0 rgba(36,87,214,.12);
        }
        .abstract-tile.large { grid-row: span 2; background: linear-gradient(150deg, #c8dafb 0%, #eef4ff 58%, #dbe8ff 100%); }
        .abstract-tile.large::before {
            content: "中文字幕";
            position: absolute; top: 20px; left: 18px; color: var(--blue-800);
            font-weight: 900; font-size: 15px;
        }
        .board-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 18px; }
        .tag { padding: 4px 10px; border-radius: 99px; background: var(--blue-100); color: var(--blue-800); font-size: 12px; font-weight: 800; }
        .tag--light { background: #f0f3f8; color: var(--muted); }

        .feature-layout { display: grid; grid-template-columns: 230px 1fr; gap: 42px; align-items: start; }
        .feature-index { border-left: 2px solid #dfe7f4; }
        .feature-index a { display: block; padding: 13px 16px; color: var(--muted); font-weight: 750; border-left: 2px solid transparent; margin-left: -2px; }
        .feature-index a:hover, .feature-index a.active { color: var(--blue-700); border-left-color: var(--blue-700); background: var(--blue-050); }
        .feature-content { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
        .feature-card, .scenario-card, .info-card, .faq-wrap { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
        .feature-card { padding: 25px; min-height: 190px; }
        .feature-card:hover, .scenario-card:hover, .info-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
        .icon-box { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 11px; background: var(--blue-100); color: var(--blue-700); font-weight: 900; margin-bottom: 18px; }
        .feature-card p, .scenario-card p, .info-card p { color: var(--muted); margin-bottom: 0; font-size: 14px; }

        .scenario-band { background: #eef4ff; }
        .scenario-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 18px; }
        .scenario-card { padding: 25px; }
        .scenario-card--wide { grid-row: span 2; min-height: 300px; background: #fff; }
        .mini-search { display: flex; gap: 8px; margin-top: 24px; }
        .mini-search input { margin: 0; border: 1px solid var(--line); border-radius: 9px; box-shadow: none; }
        .filter-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }

        .evidence-wrap { display: grid; grid-template-columns: 1fr 1.3fr; gap: 30px; align-items: stretch; }
        .evidence-intro { padding: 25px 0; }
        .evidence-intro p { color: var(--muted); }
        .metrics { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
        .metric { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); padding: 22px; box-shadow: var(--shadow-sm); }
        .metric strong { display: block; color: var(--blue-700); font-size: 30px; line-height: 1.15; margin-bottom: 8px; }
        .metric span { color: var(--muted); font-size: 14px; }

        .access-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
        .access-card { padding: 26px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); }
        .access-card .number { color: var(--blue-700); font-size: 14px; font-weight: 900; margin-bottom: 18px; }
        .access-card p { color: var(--muted); font-size: 14px; margin: 0; }

        .category-strip { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
        .category-rail { display: flex; gap: 16px; overflow-x: auto; padding: 8px 0 12px; scrollbar-width: thin; }
        .category-card { min-width: 250px; flex: 1; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--blue-050); }
        .category-card:hover { border-color: var(--blue-600); background: #fff; }
        .category-card p { color: var(--muted); font-size: 14px; margin: 0 0 14px; }
        .category-card a { color: var(--blue-700); font-weight: 850; }

        .faq-wrap { padding: 10px 24px; }
        .accordion-title a { color: var(--ink); font-weight: 800; background: #fff; }
        .accordion-title a:hover { color: var(--blue-700); background: var(--blue-050); }
        .accordion-content { color: var(--muted); font-size: 15px; background: #fff; border: 0; }
        .accordion-item { border-bottom: 1px solid var(--line); }
        .accordion-item:last-child { border-bottom: 0; }

        .cta {
            padding: 54px 0;
            background: var(--blue-900);
            color: #fff;
        }
        .cta-grid { display: flex; justify-content: space-between; align-items: center; gap: 30px; }
        .cta h2 { color: #fff; margin-bottom: 10px; }
        .cta p { color: #cbd8f5; max-width: 680px; margin: 0; }
        .cta .button--secondary { background: #fff; color: var(--blue-900); }
        .cta .button--secondary:hover { background: var(--blue-100); }

        footer { background: #fff; border-top: 1px solid var(--line); padding: 52px 0 26px; }
        .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 36px; }
        .footer-brand p { color: var(--muted); font-size: 14px; max-width: 300px; }
        .footer-title { color: var(--ink); font-weight: 850; margin-bottom: 14px; }
        .footer-links { list-style: none; margin: 0; padding: 0; }
        .footer-links li { margin-bottom: 8px; }
        .footer-links a { color: var(--muted); font-size: 14px; }
        .footer-links a:hover { color: var(--blue-700); }
        .footer-note { color: var(--warning); font-size: 13px; background: #fff8eb; border: 1px solid #f3dfbb; border-radius: 10px; padding: 11px 13px; margin-top: 18px; }
        .copyright { display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); margin-top: 40px; padding-top: 20px; color: var(--soft); font-size: 13px; }
        .back-top { position: fixed; right: 22px; bottom: 22px; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; background: #fff; color: var(--blue-700); box-shadow: var(--shadow-sm); opacity: 0; pointer-events: none; transition: all var(--ease); }
        .back-top.visible { opacity: 1; pointer-events: auto; }
        .back-top:hover { background: var(--blue-700); color: #fff; transform: translateY(-3px); }

        @media (max-width: 1024px) {
            .brand { min-width: 235px; font-size: 16px; }
            .hero-grid { gap: 35px; }
            .feature-layout { grid-template-columns: 190px 1fr; gap: 24px; }
        }
        @media (max-width: 768px) {
            .container { width: min(100% - 28px, var(--container)); }
            .topbar { flex-wrap: wrap; padding: 14px 0; gap: 12px; }
            .brand { min-width: 0; flex: 1; }
            .top-search { order: 3; flex-basis: 100%; max-width: none; }
            .header-actions .button { padding: 10px 12px; font-size: 13px; }
            .hero { padding: 50px 0 42px; }
            .hero-grid, .evidence-wrap, .scenario-grid { grid-template-columns: 1fr; }
            .hero-board { min-height: 310px; }
            .feature-layout { grid-template-columns: 1fr; }
            .feature-index { display: flex; overflow-x: auto; border-left: 0; border-bottom: 2px solid #dfe7f4; }
            .feature-index a { white-space: nowrap; border-left: 0; border-bottom: 2px solid transparent; margin: 0 0 -2px; }
            .feature-index a:hover, .feature-index a.active { border-bottom-color: var(--blue-700); border-left-color: transparent; }
            .access-grid { grid-template-columns: 1fr; }
            .scenario-card--wide { min-height: 240px; }
            .cta-grid { align-items: flex-start; flex-direction: column; }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 520px) {
            h1 { font-size: 36px; }
            .section { padding: 58px 0; }
            .hero-actions .button { width: 100%; }
            .hero-points { display: block; }
            .hero-points span { display: block; margin-bottom: 5px; }
            .abstract-grid { grid-template-columns: 1fr 1fr; grid-template-rows: 90px 90px 90px; }
            .abstract-tile.large { grid-row: span 2; }
            .feature-content, .metrics { grid-template-columns: 1fr; }
            .mini-search { flex-direction: column; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .copyright { flex-direction: column; gap: 6px; }
        }

/* roulang page: category1 */
:root{
 --blue-900:#17346f;--blue-800:#1d438e;--blue-700:#2457d6;--blue-600:#396fe3;
 --blue-100:#eaf1ff;--blue-050:#f5f8ff;--ink:#17233d;--muted:#66738e;--soft:#8d98ad;
 --surface:#fff;--page:#f7f9fd;--line:#e2e8f3;--success:#208a69;--warning:#b87820;
 --radius-lg:24px;--radius-md:16px;--radius-sm:10px;
 --shadow-sm:0 8px 24px rgba(35,62,112,.07);--shadow-md:0 18px 45px rgba(35,62,112,.12);
 --container:1180px;--ease:200ms ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--page);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none;transition:all var(--ease)}
img{max-width:100%;display:block}
button,input,select{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
.section{padding:80px 0}
.section--tight{padding:52px 0}
h1,h2,h3,h4,p{margin-top:0}
h1{font-size:clamp(32px,4vw,54px);line-height:1.2;letter-spacing:-.04em;margin-bottom:20px}
h2{font-size:clamp(26px,3vw,38px);line-height:1.25;margin-bottom:14px}
h3{font-size:20px;line-height:1.4}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue-700);font-size:13px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--blue-700);border-radius:4px}
.section-heading{max-width:720px;margin-bottom:34px}
.section-heading p,.muted{color:var(--muted)}
.site-header{background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:relative;z-index:10}
.topbar{min-height:78px;display:flex;align-items:center;gap:28px}
.brand{display:inline-flex;align-items:center;gap:11px;min-width:290px;font-size:18px;font-weight:900;color:var(--blue-900);line-height:1.25}
.brand-mark{width:35px;height:35px;border-radius:11px;background:var(--blue-700);position:relative;box-shadow:0 7px 16px rgba(36,87,214,.23);flex:0 0 auto}
.brand-mark:after{content:"";position:absolute;width:11px;height:11px;border:3px solid #fff;border-radius:50%;top:9px;left:9px}
.top-search{display:flex;flex:1;max-width:480px;border:1px solid var(--line);background:var(--page);border-radius:12px;overflow:hidden}
.top-search input{min-width:0;flex:1;border:0;background:transparent;box-shadow:none;margin:0;padding:10px 14px;color:var(--ink)}
.top-search input:focus{box-shadow:none;background:#fff}
.search-button{border:0;padding:0 18px;background:transparent;color:var(--blue-700);font-weight:800}
.search-button:hover{background:var(--blue-100)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.button{border-radius:10px;padding:12px 19px;font-weight:800;line-height:1.3;display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;transition:all var(--ease)}
.button:focus,.channel-link:focus,.filter-chip:focus,.page-link:focus,.faq-question:focus{outline:3px solid rgba(57,111,227,.28);outline-offset:2px}
.button--primary{background:var(--blue-700);color:#fff;box-shadow:0 8px 18px rgba(36,87,214,.18)}
.button--primary:hover{background:var(--blue-800);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(36,87,214,.25)}
.button--secondary{background:var(--blue-100);color:var(--blue-800)}
.button--secondary:hover{background:#dce8ff;color:var(--blue-900)}
.button--ghost{border-color:var(--line);background:#fff;color:var(--blue-800)}
.button--ghost:hover{border-color:var(--blue-600);background:var(--blue-050)}
.button[disabled]{opacity:.48;cursor:not-allowed}
.channel-list{display:flex;align-items:center;gap:8px;min-height:52px;overflow-x:auto;scrollbar-width:none}
.channel-list::-webkit-scrollbar{display:none}
.channel-link{white-space:nowrap;padding:8px 15px;border-radius:999px;color:var(--muted);font-size:14px;font-weight:800}
.channel-link:hover{background:var(--blue-050);color:var(--blue-700)}
.channel-link.active{background:var(--blue-700);color:#fff;box-shadow:0 5px 12px rgba(36,87,214,.16)}
.breadcrumbs{padding:25px 0 0;color:var(--soft);font-size:14px}
.breadcrumbs a{color:var(--blue-700);font-weight:700}
.page-hero{padding:42px 0 48px;background:linear-gradient(180deg,#fff 0%,var(--page) 100%)}
.page-hero-grid{display:grid;grid-template-columns:1fr 360px;gap:52px;align-items:end}
.page-intro{max-width:760px}
.page-intro p{font-size:17px;color:var(--muted);max-width:720px}
.status-board{background:#fff;border:1px solid #d9e4fa;border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm)}
.status-board strong{display:block;font-size:34px;color:var(--blue-800);line-height:1.2}
.status-board span{color:var(--muted);font-size:14px}
.status-row{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}
.status-row:last-child{border-bottom:0;padding-bottom:0}
.filter-layout{display:grid;grid-template-columns:270px 1fr;gap:28px;align-items:start}
.filter-panel,.result-area,.faq-item,.cta-panel{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);border-radius:var(--radius-md)}
.filter-panel{padding:24px;position:sticky;top:20px}
.filter-panel h3{margin-bottom:20px}
.filter-group{padding:18px 0;border-top:1px solid var(--line)}
.filter-group:first-of-type{border-top:0;padding-top:0}
.filter-label{font-size:14px;font-weight:900;margin-bottom:10px;display:block}
.filter-select{width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;color:var(--ink);padding:10px 12px;box-shadow:none}
.filter-select:focus{border-color:var(--blue-600);box-shadow:0 0 0 3px rgba(57,111,227,.12)}
.filter-chips{display:flex;flex-wrap:wrap;gap:8px}
.filter-chip{border:1px solid var(--line);background:var(--page);border-radius:999px;padding:6px 11px;font-size:13px;color:var(--muted);transition:all var(--ease)}
.filter-chip:hover,.filter-chip.active{border-color:var(--blue-600);background:var(--blue-100);color:var(--blue-800)}
.result-area{padding:25px}
.result-toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:18px}
.result-toolbar h2{font-size:23px;margin:0}
.result-toolbar p{margin:0;color:var(--muted);font-size:14px}
.sort-select{border:1px solid var(--line);border-radius:9px;padding:8px 11px;color:var(--muted);background:#fff}
.media-list{display:grid;gap:14px}
.media-card{display:grid;grid-template-columns:148px 1fr auto;gap:20px;align-items:center;border:1px solid var(--line);border-radius:var(--radius-md);padding:15px;background:#fff;transition:all var(--ease)}
.media-card:hover{border-color:#bdd0f7;box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.media-visual{height:102px;border-radius:11px;background:linear-gradient(135deg,#dce8ff,#f4f7ff);position:relative;overflow:hidden}
.media-visual:before{content:"";position:absolute;inset:16px 18px;border:1px solid rgba(36,87,214,.2);border-radius:8px;background:repeating-linear-gradient(0deg,transparent 0 12px,rgba(57,111,227,.12) 13px 14px)}
.media-visual:after{content:"字幕";position:absolute;left:12px;bottom:10px;background:#fff;color:var(--blue-700);border-radius:6px;padding:2px 7px;font-size:12px;font-weight:900}
.media-content h3{font-size:18px;margin-bottom:7px}
.media-content p{font-size:14px;color:var(--muted);margin-bottom:10px}
.meta-line{display:flex;flex-wrap:wrap;gap:8px;color:var(--soft);font-size:13px}
.badge{display:inline-flex;align-items:center;border-radius:999px;padding:3px 9px;background:var(--blue-100);color:var(--blue-800);font-size:12px;font-weight:800}
.badge--green{background:#e6f6f0;color:var(--success)}
.card-action{white-space:nowrap}
.pagination-wrap{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-top:22px}
.pagination-note{color:var(--muted);font-size:14px}
.pagination{display:flex;gap:6px;margin:0}
.page-link{min-width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--muted);font-size:14px}
.page-link:hover,.page-link.active{background:var(--blue-700);border-color:var(--blue-700);color:#fff}
.page-link.disabled{opacity:.45;pointer-events:none}
.info-strip{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
.info-card{padding:27px;background:var(--blue-050);border:1px solid #d9e5ff;border-radius:var(--radius-md)}
.info-card h3{margin-bottom:8px}
.info-card p{color:var(--muted);margin-bottom:0}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.faq-item{overflow:hidden}
.faq-question{width:100%;border:0;background:#fff;text-align:left;padding:19px 22px;color:var(--ink);font-weight:850;display:flex;justify-content:space-between;gap:20px}
.faq-question:after{content:"＋";color:var(--blue-700);font-size:20px;line-height:1}
.faq-question[aria-expanded=true]{background:var(--blue-050);color:var(--blue-800)}
.faq-question[aria-expanded=true]:after{content:"－"}
.faq-answer{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px}
.faq-answer.is-open{display:block}
.cta-panel{display:flex;justify-content:space-between;align-items:center;gap:28px;padding:34px;background:linear-gradient(100deg,#eef4ff,#fff)}
.cta-panel h2{font-size:28px;margin-bottom:8px}
.cta-panel p{color:var(--muted);margin:0}
.cta-actions{display:flex;gap:10px;flex-wrap:wrap}
footer{background:#eef2f9;border-top:1px solid var(--line);padding:56px 0 24px;margin-top:30px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.footer-brand .brand{min-width:0;margin-bottom:14px}
.footer-brand p{color:var(--muted);font-size:14px;max-width:300px}
.footer-note{color:var(--warning);font-size:13px;max-width:330px}
.footer-title{font-weight:900;color:var(--blue-900);margin-bottom:13px}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:8px}
.footer-links a{color:var(--muted);font-size:14px}
.footer-links a:hover{color:var(--blue-700)}
.copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:38px;padding-top:20px;color:var(--soft);font-size:13px}
.back-top{position:fixed;right:22px;bottom:22px;width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:#fff;color:var(--blue-700);box-shadow:var(--shadow-sm);display:none;z-index:8}
.back-top.show{display:block}
@media(max-width:900px){
 .topbar{gap:16px}.brand{min-width:240px;font-size:16px}.page-hero-grid{grid-template-columns:1fr 300px;gap:28px}
 .filter-layout{grid-template-columns:230px 1fr}.media-card{grid-template-columns:120px 1fr}.card-action{grid-column:2}
 .footer-grid{grid-template-columns:1.3fr 1fr 1fr}
}
@media(max-width:700px){
 .container{width:min(var(--container),calc(100% - 28px))}
 .topbar{flex-wrap:wrap;padding:15px 0}.brand{min-width:0;flex:1}.header-actions{margin-left:0}
 .top-search{order:3;max-width:none;flex-basis:100%}.channel-list{min-height:48px}
 .page-hero{padding:30px 0 36px}.page-hero-grid,.filter-layout,.info-strip,.faq-grid{grid-template-columns:1fr}
 .status-board{max-width:none}.filter-panel{position:static}.section{padding:58px 0}
 .result-area{padding:17px}.result-toolbar{align-items:flex-start;flex-direction:column}
 .media-card{grid-template-columns:105px 1fr;gap:13px;padding:12px}.media-visual{height:82px}.media-content h3{font-size:16px}
 .card-action{grid-column:2}.pagination-wrap{align-items:flex-start;flex-direction:column}
 .cta-panel{align-items:flex-start;flex-direction:column;padding:25px}.cta-actions,.cta-actions .button{width:100%}
 .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.copyright{flex-direction:column;gap:5px}
}
@media(max-width:480px){
 h1{font-size:32px}.brand{font-size:15px}.brand-mark{width:31px;height:31px}.brand-mark:after{top:7px;left:7px}
 .header-actions .button{padding:10px 12px;font-size:13px}.media-card{grid-template-columns:1fr}.media-visual{height:120px}.card-action{grid-column:auto}
 .footer-grid{grid-template-columns:1fr}
}

/* roulang page: category2 */
:root{
      --blue-900:#17346f;--blue-800:#1d438e;--blue-700:#2457d6;--blue-600:#396fe3;
      --blue-100:#eaf1ff;--blue-050:#f5f8ff;--ink:#17233d;--muted:#66738e;--soft:#8d98ad;
      --surface:#fff;--page:#f7f9fd;--line:#e2e8f3;--success:#208a69;--warning:#b87820;
      --danger:#bd5960;--radius-lg:24px;--radius-md:16px;--radius-sm:10px;
      --shadow-sm:0 8px 24px rgba(35,62,112,.07);--shadow-md:0 18px 45px rgba(35,62,112,.12);
      --container:1180px;--ease:200ms ease;
    }
    *,*:before,*:after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--page);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:all var(--ease)}
    img{max-width:100%;display:block}
    button,input,select{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(57,111,227,.4);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:relative;z-index:10}
    .topbar{min-height:78px;display:flex;align-items:center;gap:28px}
    .brand{display:inline-flex;align-items:center;gap:11px;min-width:290px;font-size:18px;font-weight:900;color:var(--blue-900);line-height:1.25}
    .brand-mark{width:35px;height:35px;border-radius:11px;background:var(--blue-700);position:relative;box-shadow:0 7px 16px rgba(36,87,214,.23);flex:0 0 auto}
    .brand-mark:after{content:"";position:absolute;width:11px;height:11px;border:3px solid #fff;border-radius:50%;top:9px;left:9px}
    .top-search{display:flex;flex:1;max-width:480px;border:1px solid var(--line);background:var(--page);border-radius:12px;overflow:hidden}
    .top-search input{min-width:0;flex:1;border:0;background:transparent;box-shadow:none;margin:0;padding:10px 14px;color:var(--ink)}
    .top-search input:focus{box-shadow:none;background:#fff}
    .search-button{border:0;padding:0 18px;background:transparent;color:var(--blue-700);font-weight:800}
    .search-button:hover{background:var(--blue-100)}
    .header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
    .button{border-radius:10px;padding:12px 19px;font-weight:800;line-height:1.3;display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;transition:all var(--ease)}
    .button--primary{background:var(--blue-700);color:#fff;box-shadow:0 8px 18px rgba(36,87,214,.18)}
    .button--primary:hover{background:var(--blue-800);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(36,87,214,.25)}
    .button--secondary{background:var(--blue-100);color:var(--blue-800)}
    .button--secondary:hover{background:#dce8ff;color:var(--blue-900)}
    .button--ghost{border-color:var(--line);background:#fff;color:var(--blue-800)}
    .button--ghost:hover{border-color:var(--blue-600);background:var(--blue-050)}
    .button[disabled]{opacity:.48;cursor:not-allowed}
    .channel-bar{background:#fff}
    .channel-list{display:flex;align-items:center;gap:8px;min-height:52px;overflow-x:auto;scrollbar-width:none}
    .channel-list::-webkit-scrollbar{display:none}
    .channel-link{white-space:nowrap;color:var(--muted);font-size:14px;font-weight:800;padding:8px 15px;border-radius:9px}
    .channel-link:hover{color:var(--blue-700);background:var(--blue-050)}
    .channel-link.active{background:var(--blue-700);color:#fff;box-shadow:0 5px 12px rgba(36,87,214,.16)}
    .hero{padding:68px 0 54px;background:radial-gradient(circle at 85% 10%,rgba(223,234,255,.9),transparent 32%),linear-gradient(180deg,#fff 0%,#f7f9fd 100%)}
    .breadcrumb{font-size:13px;color:var(--soft);margin-bottom:22px}
    .breadcrumb a{color:var(--blue-700)}
    .hero-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:60px;align-items:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue-700);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--blue-700);border-radius:4px}
    h1,h2,h3{color:var(--blue-900);line-height:1.25;margin-top:0}
    h1{font-size:clamp(32px,4.2vw,58px);letter-spacing:-.045em;margin:14px 0 20px}
    h2{font-size:clamp(26px,3vw,38px);letter-spacing:-.025em}
    h3{font-size:20px}
    .hero-copy p{color:var(--muted);font-size:18px;max-width:650px;margin-bottom:27px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-panel{border:1px solid #d9e4fa;border-radius:var(--radius-lg);background:#fff;padding:22px;box-shadow:var(--shadow-md);position:relative;overflow:hidden}
    .hero-panel:before{content:"";position:absolute;right:-60px;top:-70px;width:210px;height:210px;border-radius:50%;background:var(--blue-100)}
    .panel-head{display:flex;justify-content:space-between;align-items:center;position:relative;margin-bottom:18px}
    .panel-title{font-weight:900;color:var(--blue-900)}
    .status-dot{color:var(--success);font-size:13px;font-weight:800}
    .status-dot:before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--success);margin-right:6px}
    .cover-strip{display:grid;grid-template-columns:1.25fr .8fr .8fr;gap:10px;height:158px}
    .cover{border-radius:13px;background:linear-gradient(135deg,#dbe8ff,#f5f8ff);border:1px solid #d5e1f6;position:relative;overflow:hidden}
    .cover:first-child{background:linear-gradient(145deg,#bed3fb,#edf3ff)}
    .cover:after{content:"字幕";position:absolute;left:12px;bottom:12px;padding:3px 8px;border-radius:6px;background:#fff;color:var(--blue-700);font-size:12px;font-weight:800}
    .cover-lines{position:absolute;left:15%;right:15%;top:27%;height:34px;border-top:2px solid rgba(36,87,214,.25);border-bottom:2px solid rgba(36,87,214,.18);transform:skewY(-7deg)}
    .panel-rows{display:grid;gap:10px;margin-top:16px}
    .panel-row{display:flex;justify-content:space-between;align-items:center;padding:11px 13px;border:1px solid var(--line);border-radius:10px;background:var(--blue-050);font-size:13px}
    .tag{display:inline-flex;align-items:center;padding:4px 9px;border-radius:7px;background:var(--blue-100);color:var(--blue-800);font-size:12px;font-weight:800}
    .tag--green{background:#e4f5ef;color:var(--success)}
    .tag--gray{background:#f0f3f8;color:var(--muted)}
    .section{padding:82px 0}
    .section--white{background:#fff}
    .section-heading{max-width:700px;margin-bottom:34px}
    .section-heading p{color:var(--muted);margin:10px 0 0;font-size:17px}
    .browse-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:30px;align-items:start}
    .content-flow{display:grid;gap:28px}
    .date-group{position:relative}
    .date-label{display:flex;align-items:center;gap:12px;margin:0 0 15px;color:var(--blue-900);font-size:18px;font-weight:900}
    .date-label:before{content:"";width:10px;height:10px;border-radius:50%;background:var(--blue-700);box-shadow:0 0 0 5px var(--blue-100)}
    .date-label span{font-size:13px;color:var(--soft);font-weight:700}
    .update-list{border-left:1px solid #cbd8ef;margin-left:5px;padding-left:25px;display:grid;gap:13px}
    .update-item{display:grid;grid-template-columns:132px minmax(0,1fr) auto;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:14px;box-shadow:var(--shadow-sm);transition:all var(--ease)}
    .update-item:hover{transform:translateY(-3px);border-color:#b9ccf2;box-shadow:var(--shadow-md)}
    .thumb{height:84px;border-radius:10px;background:linear-gradient(135deg,#dbe8ff 0%,#f6f8fd 100%);border:1px solid #d7e3f7;position:relative;overflow:hidden}
    .thumb:before{content:"";position:absolute;left:16px;right:16px;top:27px;height:2px;background:rgba(36,87,214,.22);box-shadow:0 12px 0 rgba(36,87,214,.16)}
    .thumb:after{content:"中文字幕";position:absolute;bottom:8px;left:9px;background:#fff;color:var(--blue-700);font-size:11px;padding:2px 6px;border-radius:5px;font-weight:800}
    .item-title{margin:0 0 5px;font-size:17px;color:var(--blue-900)}
    .item-desc{color:var(--muted);font-size:13px;margin:0 0 7px;line-height:1.6}
    .meta{display:flex;gap:7px;flex-wrap:wrap;align-items:center;color:var(--soft);font-size:12px}
    .item-action{white-space:nowrap}
    .sidebar{display:grid;gap:18px;position:sticky;top:20px}
    .side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:22px;box-shadow:var(--shadow-sm)}
    .side-card h3{font-size:18px;margin-bottom:16px}
    .side-list{list-style:none;padding:0;margin:0;display:grid;gap:8px}
    .side-list a{display:flex;justify-content:space-between;align-items:center;padding:9px 10px;border-radius:8px;color:var(--muted);font-size:14px}
    .side-list a:hover,.side-list a.active{background:var(--blue-100);color:var(--blue-800)}
    .count{font-size:12px;color:var(--soft)}
    .filter-form{display:grid;gap:12px}
    .filter-form label{font-size:13px;font-weight:800;color:var(--blue-900)}
    .filter-form select,.filter-form input{height:42px;border:1px solid var(--line);border-radius:9px;box-shadow:none;background:#fff;color:var(--ink);padding:0 11px}
    .filter-form select:focus,.filter-form input:focus{border-color:var(--blue-600);box-shadow:0 0 0 3px rgba(57,111,227,.12)}
    .feature-band{background:var(--blue-050);border-top:1px solid #e0eaff;border-bottom:1px solid #e0eaff}
    .feature-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:38px;align-items:center}
    .feature-grid p{color:var(--muted);max-width:650px}
    .quick-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
    .metric-row{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .metric{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}
    .metric strong{display:block;font-size:29px;color:var(--blue-700);line-height:1.2}
    .metric span{color:var(--muted);font-size:13px}
    .faq-list{max-width:850px}
    .faq-item{border:1px solid var(--line);border-radius:13px;background:#fff;margin-bottom:11px;overflow:hidden}
    .faq-item summary{cursor:pointer;list-style:none;padding:17px 20px;font-weight:800;color:var(--blue-900)}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"＋";float:right;color:var(--blue-700);font-size:20px}
    .faq-item[open] summary:after{content:"－"}
    .faq-answer{padding:0 20px 18px;color:var(--muted);font-size:14px}
    .cta{padding:54px 0;background:var(--blue-900);color:#fff}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{color:#fff;margin-bottom:10px}
    .cta p{color:#dce6ff;margin:0}
    .cta .button--primary{background:#fff;color:var(--blue-900);box-shadow:none}
    .cta .button--primary:hover{background:var(--blue-100);color:var(--blue-900)}
    footer{background:#fff;border-top:1px solid var(--line);padding:54px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px}
    .footer-brand .brand{min-width:0;margin-bottom:12px}
    .footer-brand p{color:var(--muted);font-size:14px;max-width:300px}
    .footer-note{font-size:12px;color:var(--warning);background:#fff8eb;border:1px solid #f2dfbb;border-radius:8px;padding:9px 11px;max-width:350px}
    .footer-title{font-weight:900;color:var(--blue-900);margin-bottom:12px}
    .footer-links{list-style:none;margin:0;padding:0;display:grid;gap:8px}
    .footer-links a{font-size:14px;color:var(--muted)}
    .footer-links a:hover{color:var(--blue-700)}
    .copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:38px;padding-top:18px;color:var(--soft);font-size:12px}
    .pagination-wrap{display:flex;justify-content:center;margin-top:30px}
    .pagination{display:flex;gap:7px;list-style:none;margin:0;padding:0}
    .pagination a,.pagination span{min-width:38px;height:38px;border:1px solid var(--line);border-radius:9px;background:#fff;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px}
    .pagination a:hover,.pagination .current{background:var(--blue-700);border-color:var(--blue-700);color:#fff}
    .pagination .disabled{opacity:.45;cursor:not-allowed}
    .empty-state{border:1px dashed #bfd0ee;border-radius:var(--radius-md);padding:26px;text-align:center;color:var(--muted);background:var(--blue-050);margin-top:22px}
    @media(max-width:900px){
      .topbar{gap:15px}.brand{min-width:230px;font-size:16px}.hero-grid,.feature-grid{grid-template-columns:1fr;gap:35px}
      .browse-layout{grid-template-columns:1fr}.sidebar{position:static;grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:640px){
      .container{width:min(100% - 28px,var(--container))}.topbar{min-height:70px;flex-wrap:wrap;padding:12px 0}
      .brand{min-width:0;flex:1}.top-search{order:3;flex-basis:100%;max-width:none}
      .header-actions{margin-left:0}.header-actions .button{padding:10px 12px;font-size:13px}
      .channel-list{min-height:48px;margin:0 -2px}.hero{padding:46px 0}.hero-copy p{font-size:16px}
      .section{padding:58px 0}.cover-strip{height:125px}.update-item{grid-template-columns:88px minmax(0,1fr);gap:12px}.item-action{grid-column:2;justify-self:start}
      .thumb{height:70px}.sidebar{grid-template-columns:1fr}.metric-row{grid-template-columns:1fr 1fr}
      .cta-inner{display:block}.cta .button{margin-top:22px;width:100%}.footer-grid{grid-template-columns:1fr 1fr;gap:25px 18px}
      .footer-brand{grid-column:1/-1}.copyright{display:block}.copyright span{display:block;margin-top:5px}
    }
    @media(max-width:420px){h1{font-size:32px}.footer-grid{grid-template-columns:1fr}.metric strong{font-size:24px}}