/* roulang page: index */
:root{--blue:#2369b5;--blue-dark:#174d88;--blue-soft:#eaf3fc;--orange:#e6a248;--ink:#20344b;--muted:#718196;--paper:#fffdfa;--mist:#f3f7fb;--line:#dbe6f0;--shadow:0 14px 36px rgba(35,76,116,.09);--radius:16px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:15px}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;height:100%;object-fit:cover}
button,input{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(1200px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,253,250,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.navbar{height:76px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;white-space:nowrap;color:var(--blue-dark);font-size:18px}
.logo-mark{width:38px;height:38px;border-radius:10px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;position:relative;box-shadow:0 6px 14px rgba(35,105,181,.2)}
.logo-mark:after{content:"";position:absolute;right:7px;bottom:7px;width:7px;height:7px;background:var(--orange);border-radius:50%}
.nav-links{display:flex;gap:24px;align-items:center;margin-left:auto}
.nav-links a{font-size:14px;color:#53677d;padding:8px 2px;border-bottom:2px solid transparent;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--blue);border-color:var(--blue)}
.nav-action{background:var(--blue);color:#fff!important;border-radius:9px;padding:10px 17px!important;border:0!important;box-shadow:0 7px 16px rgba(35,105,181,.18)}
.nav-action:hover{background:var(--blue-dark);transform:translateY(-1px)}
.menu-toggle{display:none;background:var(--blue-soft);color:var(--blue);padding:8px 11px;border-radius:8px}
.hero{padding:78px 0 72px;background:linear-gradient(110deg,#f7fbff 0%,#fffdfa 58%,#fff6e9 100%);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
.eyebrow,.section-kicker{font-size:12px;letter-spacing:.15em;color:var(--blue);font-weight:800;text-transform:uppercase}
.hero h1{font-size:clamp(42px,5vw,64px);line-height:1.14;letter-spacing:-.045em;margin:16px 0 20px;color:#193957}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero-copy{font-size:17px;color:#5c6e80;max-width:650px;line-height:2}
.hero-actions{display:flex;gap:13px;margin-top:30px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border-radius:9px;font-weight:700;transition:.2s;border:1px solid transparent}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 9px 18px rgba(35,105,181,.2)}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
.btn-secondary{background:#fff;color:var(--blue);border-color:#bcd2e7}
.btn-secondary:hover{background:var(--blue-soft);border-color:var(--blue)}
.btn:active{transform:translateY(1px);box-shadow:none}
.btn:focus-visible,.nav-links a:focus-visible,.menu-toggle:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(230,162,72,.48);outline-offset:3px}
.hero-stage{min-height:390px;position:relative}
.hero-cover{height:360px;width:76%;margin-left:auto;border-radius:22px;overflow:hidden;box-shadow:var(--shadow);position:relative}
.hero-cover:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(20,48,74,.68))}
.hero-cover img{filter:saturate(.86)}
.hero-caption{position:absolute;z-index:1;left:28px;bottom:26px;color:#fff}
.hero-caption strong{display:block;font-size:26px}
.hero-caption span{font-size:13px;opacity:.85}
.float-note{position:absolute;background:#fff;border:1px solid var(--line);border-radius:13px;padding:14px 16px;box-shadow:var(--shadow);font-size:13px}
.float-note b{display:block;color:var(--blue-dark);font-size:20px;line-height:1.25}
.note-one{top:34px;left:0}.note-two{right:-8px;bottom:28px}
section{padding:78px 0;border-top:1px solid #edf2f6}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}
.section-head h2{font-size:32px;line-height:1.25;letter-spacing:-.025em;color:#1d3b58}
.section-head p{max-width:570px;color:var(--muted);font-size:14px}
.stats{padding:30px 0;background:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:15px;background:#fff;box-shadow:var(--shadow)}
.stat{padding:22px 26px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat strong{display:block;font-size:32px;color:var(--blue-dark);line-height:1.2}
.stat span{display:block;color:var(--muted);font-size:13px;margin-top:5px}
.stat small{color:#bd7d24;font-size:12px}
.latest{background:var(--mist)}
.latest-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.show-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 25px rgba(31,71,108,.07);transition:.25s;border:1px solid #edf2f6}
.show-card:hover{transform:translateY(-5px);box-shadow:0 16px 30px rgba(31,71,108,.13)}
.cover{height:245px;overflow:hidden;position:relative;background:#dceaf5}
.cover img{transition:.35s}
.show-card:hover .cover img{transform:scale(1.05)}
.badge{position:absolute;left:12px;top:12px;background:#fff;color:var(--blue);font-size:12px;padding:3px 8px;border-radius:5px;font-weight:700}
.card-body{padding:15px 16px 17px}
.card-title{font-weight:800;font-size:17px;color:#25445f}
.card-meta{display:flex;justify-content:space-between;gap:8px;color:var(--muted);font-size:12px;margin-top:7px}
.score{color:#c28124;font-weight:800}
.hot{background:#fff}
.hot-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.hot-card{display:flex;gap:18px;padding:20px;background:#f7fbff;border:1px solid var(--line);border-radius:14px;align-items:center;transition:.2s}
.hot-card:hover{background:#edf6ff;transform:translateX(3px)}
.hot-card:nth-child(1),.hot-card:nth-child(2){background:#fff7e9;border-color:#f0d7aa}
.hot-rank{font-size:23px;font-weight:900;color:var(--orange);width:34px}
.hot-card:nth-child(n+4) .hot-rank{color:var(--blue)}
.hot-info{flex:1}.hot-info strong{display:block;font-size:17px}.hot-info span{font-size:12px;color:var(--muted)}
.hot-value{text-align:right}.hot-value b{display:block;color:var(--blue-dark)}.hot-value small{font-size:12px;color:var(--muted)}
.channels{background:var(--mist)}
.channel-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 50px}
.channel{display:grid;grid-template-columns:60px 1fr;gap:20px;padding:25px 0;border-bottom:1px solid var(--line)}
.channel-num{font-size:28px;font-weight:900;color:var(--orange)}
.channel h3{font-size:19px;margin-bottom:6px}.channel p{font-size:13px;color:var(--muted)}
.news-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:34px}
.news-feature{border-radius:16px;overflow:hidden;background:#193957;color:#fff;min-height:360px;position:relative}
.news-feature img{position:absolute;inset:0;opacity:.55}
.news-feature-content{position:absolute;inset:auto 28px 25px;z-index:1}
.news-feature h3{font-size:25px;line-height:1.4;margin:8px 0}
.news-feature p{font-size:13px;color:#dbe8f4}
.news-list{display:flex;flex-direction:column}
.news-item{display:grid;grid-template-columns:92px 1fr;gap:15px;padding:13px 0;border-bottom:1px solid var(--line)}
.news-thumb{height:67px;border-radius:9px;overflow:hidden}
.news-item h3{font-size:15px;line-height:1.45}.news-item time{font-size:12px;color:var(--muted)}
.guide{background:#edf5fc}
.guide-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:17px}
.guide-item{background:#fff;border-radius:14px;padding:22px;border:1px solid var(--line)}
.guide-icon{color:var(--orange);font-size:24px;font-weight:900}.guide-item h3{font-size:17px;margin:8px 0}.guide-item p{font-size:13px;color:var(--muted)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:25px;position:relative}
.step{position:relative;padding:22px 20px;background:#fff;border:1px solid var(--line);border-radius:14px}
.step:after{content:"→";position:absolute;right:-21px;top:34px;color:var(--orange);font-size:22px}
.step:last-child:after{display:none}.step b{display:inline-grid;place-items:center;width:29px;height:29px;border-radius:50%;background:var(--blue);color:#fff;font-size:13px}.step h3{margin:13px 0 5px;font-size:17px}.step p{font-size:13px;color:var(--muted)}
.topic{background:#fff7ea}
.topic-layout{display:grid;grid-template-columns:1fr 1.4fr;gap:30px;align-items:stretch}
.topic-lead{background:#2369b5;color:#fff;border-radius:17px;padding:32px;display:flex;flex-direction:column;justify-content:end;min-height:280px}
.topic-lead h3{font-size:28px;line-height:1.35;margin:10px 0}
.topic-lead p{font-size:14px;color:#dcecff}.topic-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.topic-item{background:#fff;border:1px solid #eadfcf;border-radius:12px;padding:20px}.topic-item b{color:var(--blue);font-size:13px}.topic-item h3{font-size:17px;margin:7px 0}.topic-item p{font-size:13px;color:var(--muted)}
.index-bar{background:var(--mist)}
.index-controls{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.filter{padding:9px 16px;border:1px solid var(--line);border-radius:8px;background:#fff;color:#53677d;font-size:13px}.filter.active{background:var(--blue);color:#fff;border-color:var(--blue)}.filter:disabled{opacity:.45;cursor:not-allowed}
.mobile-tip{padding:28px 0;background:#eaf3fc;border-top:0}.tip-inner{display:flex;align-items:center;gap:18px}.tip-mark{width:45px;height:45px;background:#fff;border-radius:12px;display:grid;place-items:center;color:var(--blue);font-weight:900}.tip-inner p{font-size:14px;color:#526c85}.tip-inner strong{color:var(--blue-dark)}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px 30px}
details{border-bottom:1px solid var(--line);padding:18px 0}summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between}summary:after{content:"+";color:var(--blue);font-size:20px}details[open] summary:after{content:"−"}details p{color:var(--muted);font-size:14px;padding:13px 30px 0 0}
.search-section{background:#f7fbff}.search-box{max-width:760px;margin:auto;background:#fff;padding:28px;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.search-form{display:flex;gap:10px}.search-form label{position:absolute;left:-9999px}.search-form input{flex:1;min-width:0;height:47px;border:1px solid #c8d8e6;border-radius:8px;padding:0 15px;color:var(--ink)}.search-note{font-size:12px;color:var(--muted);margin-top:10px}
footer{background:#193957;color:#dbe7f1;padding:55px 0 25px}.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px}.footer-brand{font-size:20px;font-weight:800;color:#fff;margin-bottom:12px}.footer-col h3{font-size:14px;color:#fff;margin-bottom:13px}.footer-col a,.footer-col p{display:block;color:#a9bfd1;font-size:13px;margin:6px 0}.footer-col a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.15);margin-top:35px;padding-top:18px;color:#9bb2c5;font-size:12px}
@media(max-width:1024px){.hero-grid{gap:35px}.latest-grid{grid-template-columns:repeat(3,1fr)}.guide-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(100% - 30px,620px)}.navbar{height:66px}.menu-toggle{display:block;margin-left:auto}.nav-links{display:none;position:absolute;top:66px;left:0;right:0;background:#fff;padding:15px 20px;box-shadow:0 12px 20px rgba(20,53,84,.1);flex-direction:column;align-items:stretch;gap:3px}.nav-links.open{display:flex}.nav-links a{padding:11px}.nav-action{text-align:center}.hero{padding:52px 0}.hero-grid{grid-template-columns:1fr}.hero-stage{margin-top:12px}.hero-cover{width:82%;height:300px}.section-head{display:block}.section-head p{margin-top:10px}.stats-grid{grid-template-columns:repeat(2,1fr)}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}.latest-grid{grid-template-columns:repeat(2,1fr)}.cover{height:220px}.hot-grid,.channel-list,.news-grid,.faq-grid{grid-template-columns:1fr}.steps{grid-template-columns:repeat(2,1fr)}.step:after{display:none}.topic-layout{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){body{font-size:14px}.container{width:calc(100% - 28px)}.brand{font-size:16px}.hero h1{font-size:39px}.hero-copy{font-size:15px}.hero-cover{width:88%;height:270px}.note-one{left:-4px;top:12px}.note-two{right:-2px;bottom:4px}.stats-grid{grid-template-columns:1fr 1fr}.stat{padding:17px 13px}.stat strong{font-size:25px}.latest-grid{grid-template-columns:1fr 1fr;gap:12px}.cover{height:190px}.card-body{padding:12px}.card-title{font-size:15px}.hot-card{gap:10px;padding:14px}.hot-value{font-size:12px}.channel{grid-template-columns:42px 1fr;gap:12px}.channel-num{font-size:23px}.topic-list{grid-template-columns:1fr}.steps,.guide-grid{grid-template-columns:1fr}.search-form{display:block}.search-form input{width:100%;margin-bottom:10px}.search-form .btn{width:100%}.tip-inner{align-items:flex-start}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid .footer-main{grid-column:1/-1}}

/* roulang page: category1 */
:root {
      --blue: #2369b5;
      --blue-dark: #174d88;
      --blue-soft: #eaf3fc;
      --orange: #e6a248;
      --ink: #20344b;
      --muted: #718196;
      --paper: #fffdfa;
      --mist: #f3f7fb;
      --line: #dbe6f0;
      --shadow: 0 14px 36px rgba(35, 76, 116, .09);
      --radius: 16px;
      --content: 1200px;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 90px; }
    body {
      margin: 0;
      font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
      color: var(--ink);
      background: var(--paper);
      line-height: 1.7;
      font-size: 15px;
    }
    a { color: inherit; text-decoration: none; }
    img { display: block; width: 100%; height: 100%; object-fit: cover; }
    button, input { font: inherit; }
    button { cursor: pointer; border: 0; }
    .container { width: min(var(--content), calc(100% - 40px)); margin: 0 auto; }
    .site-header {
      position: sticky; top: 0; z-index: 20;
      background: rgba(255, 253, 250, .96);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(12px);
    }
    .navbar { min-height: 76px; display: flex; align-items: center; gap: 28px; }
    .brand { display: flex; align-items: center; gap: 11px; font-size: 18px; font-weight: 800; white-space: nowrap; color: var(--blue-dark); }
    .logo-mark {
      width: 38px; height: 38px; border-radius: 10px;
      display: grid; place-items: center; position: relative;
      color: #fff; background: var(--blue); font-weight: 900;
      box-shadow: 0 6px 14px rgba(35, 105, 181, .2);
    }
    .logo-mark::after { content: ""; position: absolute; right: 7px; bottom: 7px; width: 7px; height: 7px; background: var(--orange); border-radius: 50%; }
    .nav-links { display: flex; align-items: center; gap: 22px; margin-left: auto; }
    .nav-links a { padding: 8px 2px; border-bottom: 2px solid transparent; color: #53677d; font-size: 14px; transition: color .2s, border-color .2s; white-space: nowrap; }
    .nav-links a:hover, .nav-links a.active { color: var(--blue); border-color: var(--blue); }
    .nav-links a.nav-action { padding: 10px 15px; border: 0; border-radius: 9px; color: #fff; background: var(--blue); box-shadow: 0 7px 16px rgba(35, 105, 181, .18); }
    .nav-links a.nav-action:hover { color: #fff; background: var(--blue-dark); transform: translateY(-1px); }
    .menu-toggle { display: none; background: var(--blue-soft); color: var(--blue); padding: 8px 11px; border-radius: 8px; }
    :focus-visible { outline: 3px solid rgba(230, 162, 72, .55); outline-offset: 3px; }
    .page-intro { padding: 55px 0 30px; background: linear-gradient(110deg, #f2f8ff, #fffdfa 72%); }
    .crumbs { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 13px; margin-bottom: 24px; }
    .crumbs a:hover { color: var(--blue); }
    .intro-grid { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 50px; align-items: end; }
    .eyebrow, .section-kicker { color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .08em; }
    h1 { margin: 10px 0 12px; color: #193957; font-size: 48px; line-height: 1.2; }
    .intro-copy { max-width: 720px; margin: 0; color: #5c6e80; font-size: 16px; }
    .intro-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .intro-stat { padding: 15px 17px; background: rgba(255,255,255,.84); border: 1px solid var(--line); border-radius: 12px; }
    .intro-stat strong { display: block; color: var(--blue-dark); font-size: 23px; line-height: 1.2; }
    .intro-stat span { color: var(--muted); font-size: 12px; }
    main section { padding: 56px 0; border-top: 1px solid #edf2f6; }
    main section:nth-of-type(even) { background: #fbfdff; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 22px; margin-bottom: 25px; }
    .section-head h2 { margin: 5px 0 0; color: #1d3b58; font-size: 29px; line-height: 1.3; }
    .section-head p { max-width: 520px; margin: 0; color: var(--muted); font-size: 14px; }
    .filter-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: 16px; border: 1px solid var(--line); border-radius: 13px; background: #fff; box-shadow: 0 7px 22px rgba(31,71,108,.04); }
    .filter-label { margin-right: 4px; color: var(--muted); font-size: 13px; }
    .filter-chip { min-height: 34px; padding: 6px 13px; border: 1px solid #dbe6f0; border-radius: 7px; color: #52677d; background: #fff; font-size: 13px; transition: .2s; }
    .filter-chip:hover, .filter-chip.selected { color: var(--blue); border-color: #b6d0e9; background: var(--blue-soft); }
    .filter-chip:disabled { color: #9aa7b4; background: #f1f3f5; cursor: not-allowed; }
    .catalog { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 15px; }
    .series-row { display: grid; grid-template-columns: 132px minmax(0,1fr); min-height: 174px; overflow: hidden; border: 1px solid #e5edf4; border-radius: 13px; background: #fff; box-shadow: 0 8px 25px rgba(31,71,108,.055); transition: transform .2s, box-shadow .2s; }
    .series-row:hover { transform: translateY(-3px); box-shadow: 0 14px 28px rgba(31,71,108,.12); }
    .series-cover { min-height: 174px; overflow: hidden; background: var(--blue-soft); }
    .series-cover img { transition: transform .35s; }
    .series-row:hover .series-cover img { transform: scale(1.04); }
    .series-info { display: flex; flex-direction: column; justify-content: center; padding: 17px 18px; min-width: 0; }
    .series-topline { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; margin-bottom: 7px; }
    .tag { display: inline-flex; align-items: center; min-height: 23px; padding: 2px 8px; border-radius: 5px; color: var(--blue); background: var(--blue-soft); font-size: 11px; font-weight: 700; }
    .tag-warm { color: #946019; background: #fff3df; }
    .series-info h3 { margin: 0; color: #25445f; font-size: 17px; line-height: 1.45; }
    .series-info p { margin: 6px 0 10px; color: var(--muted); font-size: 12px; line-height: 1.65; }
    .series-meta { display: flex; justify-content: space-between; gap: 12px; color: #738397; font-size: 12px; }
    .score { color: #a66d18; font-weight: 800; }
    .more-row { display: flex; justify-content: center; margin-top: 24px; }
    .btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 19px; border: 1px solid transparent; border-radius: 9px; font-weight: 700; transition: .2s; }
    .btn-primary { color: #fff; background: var(--blue); box-shadow: 0 8px 18px rgba(35,105,181,.18); }
    .btn-primary:hover { background: var(--blue-dark); transform: translateY(-2px); }
    .btn-secondary { color: var(--blue); background: #fff; border-color: #bcd2e7; }
    .btn-secondary:hover { background: var(--blue-soft); border-color: var(--blue); }
    .btn:active { transform: translateY(1px); box-shadow: none; }
    .btn:disabled { cursor: not-allowed; opacity: .5; transform: none; }
    .rank-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 38px; }
    .rank-list { margin: 0; padding: 0; list-style: none; }
    .rank-item { display: grid; grid-template-columns: 38px minmax(0,1fr) auto; align-items: center; gap: 12px; min-height: 62px; border-bottom: 1px solid var(--line); }
    .rank-num { color: #8a9bad; font-weight: 800; font-size: 14px; }
    .rank-item:first-child .rank-num { color: var(--orange); font-size: 19px; }
    .rank-item:nth-child(2) .rank-num, .rank-item:nth-child(3) .rank-num { color: var(--blue); }
    .rank-name { color: #304b65; font-weight: 700; font-size: 14px; }
    .rank-detail { color: var(--muted); font-size: 11px; text-align: right; white-space: nowrap; }
    .topic-strip { display: grid; grid-template-columns: 1.1fr .9fr; min-height: 210px; overflow: hidden; border-radius: 15px; background: #eaf3fc; }
    .topic-copy { padding: 30px 34px; display: flex; flex-direction: column; justify-content: center; }
    .topic-copy h3 { margin: 8px 0; color: #1e4263; font-size: 24px; }
    .topic-copy p { max-width: 540px; margin: 0 0 16px; color: #63788c; font-size: 14px; }
    .topic-art { min-height: 210px; overflow: hidden; }
    .topic-art img { transition: transform .35s; }
    .topic-strip:hover .topic-art img { transform: scale(1.035); }
    .news-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 0 34px; }
    .news-item { display: grid; grid-template-columns: 92px minmax(0,1fr); align-items: center; gap: 15px; padding: 14px 0; border-bottom: 1px solid var(--line); }
    .news-thumb { width: 92px; height: 68px; overflow: hidden; border-radius: 8px; background: var(--blue-soft); }
    .news-item h3 { margin: 0 0 5px; color: #304b65; font-size: 14px; line-height: 1.5; }
    .news-item time { color: var(--muted); font-size: 11px; }
    .faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .faq-list details { align-self: start; padding: 16px 18px; border: 1px solid var(--line); border-radius: 10px; background: #fff; transition: border-color .2s, box-shadow .2s; }
    .faq-list details[open] { border-color: #9fc3e5; box-shadow: 0 8px 20px rgba(35,105,181,.07); }
    .faq-list summary { position: relative; padding-right: 22px; color: #2a4965; font-weight: 700; font-size: 14px; cursor: pointer; list-style: none; }
    .faq-list summary::-webkit-details-marker { display: none; }
    .faq-list summary::after { content: "+"; position: absolute; right: 0; top: -2px; color: var(--blue); font-size: 20px; line-height: 1; }
    .faq-list details[open] summary::after { content: "−"; }
    .faq-list details p { margin: 10px 0 0; color: var(--muted); font-size: 13px; }
    .quick-entry { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 28px 32px; border: 1px solid #d9e8f5; border-radius: 14px; background: #f2f8fe; }
    .quick-entry h2 { margin: 0 0 5px; color: #1d3b58; font-size: 23px; }
    .quick-entry p { margin: 0; color: var(--muted); font-size: 14px; }
    .quick-actions { display: flex; flex-wrap: wrap; gap: 10px; flex-shrink: 0; }
    footer { padding: 48px 0 20px; background: #f4f8fc; border-top: 1px solid var(--line); }
    .footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 30px; }
    .footer-brand { color: var(--blue-dark); font-size: 19px; font-weight: 800; }
    .footer-main p, .footer-col p { max-width: 300px; margin: 9px 0 0; color: var(--muted); font-size: 13px; }
    .footer-col h3 { margin: 0 0 12px; color: #304b65; font-size: 14px; }
    .footer-col a { display: block; width: fit-content; margin: 7px 0; color: #65788b; font-size: 13px; }
    .footer-col a:hover { color: var(--blue); }
    .copyright { padding-top: 17px; border-top: 1px solid var(--line); color: #8190a0; font-size: 12px; }
    @media (min-width: 1280px) {
      .container { width: min(var(--content), calc(100% - 64px)); }
    }
    @media (max-width: 1024px) {
      .navbar { gap: 16px; }
      .nav-links { gap: 13px; }
      .nav-links a { font-size: 13px; }
      .intro-grid { grid-template-columns: minmax(0,1fr) 280px; gap: 30px; }
      .series-row { grid-template-columns: 112px minmax(0,1fr); }
      .series-cover { min-height: 168px; }
      .series-info { padding: 14px; }
      .rank-layout { gap: 24px; }
    }
    @media (max-width: 768px) {
      .container { width: min(100% - 32px, var(--content)); }
      .navbar { min-height: 68px; justify-content: space-between; }
      .menu-toggle { display: inline-flex; align-items: center; gap: 7px; }
      .nav-links {
        display: none; position: absolute; left: 16px; right: 16px; top: 62px;
        margin: 0; padding: 12px; flex-direction: column; align-items: stretch; gap: 2px;
        background: var(--paper); border: 1px solid var(--line); border-radius: 12px;
        box-shadow: var(--shadow);
      }
      .nav-links.is-open { display: flex; }
      .nav-links a { padding: 10px 12px; border: 0; border-radius: 7px; }
      .nav-links a:hover, .nav-links a.active { background: var(--blue-soft); }
      .nav-links a.nav-action { text-align: center; margin-top: 4px; }
      .page-intro { padding: 35px 0 26px; }
      .intro-grid { grid-template-columns: 1fr; gap: 24px; }
      h1 { font-size: 38px; }
      .intro-stats { max-width: 460px; }
      main section { padding: 44px 0; }
      .section-head { display: block; }
      .section-head p { margin-top: 9px; }
      .section-head h2 { font-size: 25px; }
      .catalog { grid-template-columns: 1fr; }
      .series-row { grid-template-columns: 132px minmax(0,1fr); }
      .rank-layout { grid-template-columns: 1fr; gap: 0; }
      .topic-strip { grid-template-columns: 1fr 0.85fr; }
      .news-list { grid-template-columns: 1fr; }
      .faq-list { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 25px; }
    }
    @media (max-width: 520px) {
      .container { width: calc(100% - 28px); }
      .brand { font-size: 16px; gap: 8px; }
      .logo-mark { width: 35px; height: 35px; }
      h1 { font-size: 33px; }
      .intro-copy { font-size: 14px; }
      .intro-stats { gap: 8px; }
      .intro-stat { padding: 12px; }
      .intro-stat strong { font-size: 20px; }
      .crumbs { margin-bottom: 18px; }
      .filter-bar { gap: 7px; padding: 12px; }
      .filter-label { flex-basis: 100%; }
      .filter-chip { padding: 5px 10px; }
      .series-row { grid-template-columns: 104px minmax(0,1fr); min-height: 156px; }
      .series-cover { min-height: 156px; }
      .series-info { padding: 11px; }
      .series-info h3 { font-size: 15px; }
      .series-info p { font-size: 11px; margin: 4px 0 7px; }
      .series-meta { font-size: 10px; gap: 5px; }
      .rank-item { grid-template-columns: 29px minmax(0,1fr) auto; gap: 7px; }
      .rank-name { font-size: 13px; }
      .rank-detail { font-size: 10px; }
      .topic-strip { grid-template-columns: 1fr; }
      .topic-copy { padding: 22px; }
      .topic-copy h3 { font-size: 21px; }
      .topic-art { min-height: 150px; max-height: 180px; }
      .news-item { grid-template-columns: 78px minmax(0,1fr); gap: 12px; }
      .news-thumb { width: 78px; height: 60px; }
      .quick-entry { align-items: flex-start; flex-direction: column; padding: 22px; }
      .quick-actions { width: 100%; }
      .quick-actions .btn { flex: 1; }
      .footer-grid { gap: 20px 14px; }
      .footer-brand { font-size: 17px; }
      .copyright { line-height: 1.8; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
    }

/* roulang page: category2 */
:root{--blue:#2369b5;--blue-dark:#174d88;--blue-soft:#eaf3fc;--orange:#e6a248;--ink:#20344b;--muted:#718196;--paper:#fffdfa;--mist:#f3f7fb;--line:#dbe6f0;--shadow:0 14px 36px rgba(35,76,116,.09);--radius:16px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:15px}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;height:100%;object-fit:cover}
button,input,select{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(1200px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,253,250,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.navbar{min-height:76px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;white-space:nowrap;color:var(--blue-dark);font-size:18px}
.logo-mark{width:38px;height:38px;border-radius:10px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;position:relative;box-shadow:0 6px 14px rgba(35,105,181,.2)}
.logo-mark:after{content:"";position:absolute;right:7px;bottom:7px;width:7px;height:7px;background:var(--orange);border-radius:50%}
.nav-links{display:flex;gap:22px;align-items:center;margin-left:auto}
.nav-links a{font-size:14px;color:#53677d;padding:8px 2px;border-bottom:2px solid transparent;transition:.2s;white-space:nowrap}
.nav-links a:hover,.nav-links a.active{color:var(--blue);border-color:var(--blue)}
.nav-action{background:var(--blue);color:#fff!important;border-radius:9px;padding:10px 17px!important;border:0!important;box-shadow:0 7px 16px rgba(35,105,181,.18)}
.nav-action:hover{background:var(--blue-dark);transform:translateY(-1px)}
.menu-toggle{display:none;background:var(--blue-soft);color:var(--blue);padding:8px 11px;border-radius:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 19px;border-radius:9px;font-weight:700;transition:.2s;border:1px solid transparent}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 16px rgba(35,105,181,.16)}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
.btn-secondary{background:#fff;color:var(--blue);border-color:#bcd2e7}
.btn-secondary:hover{background:var(--blue-soft);border-color:var(--blue)}
.btn:active{transform:translateY(1px);box-shadow:none}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn:focus-visible,.nav-links a:focus-visible,.menu-toggle:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,.filter-chip:focus-visible{outline:3px solid rgba(230,162,72,.55);outline-offset:3px}
.page-intro{padding:53px 0 35px;background:linear-gradient(115deg,#f3f8fd 0%,#fffdfa 72%);border-bottom:1px solid #edf2f6}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:20px}
.breadcrumb a{color:var(--blue)}
.intro-grid{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:end}
.eyebrow,.section-kicker{font-size:12px;color:var(--blue);font-weight:800}
.page-intro h1{font-size:clamp(36px,4.3vw,54px);line-height:1.18;margin:9px 0 12px;color:#193957}
.page-intro h1 em{font-style:normal;color:var(--orange)}
.intro-copy{max-width:720px;color:#5c6e80;margin:0}
.intro-stats{display:flex;gap:10px}
.intro-stat{min-width:116px;padding:13px 16px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 20px rgba(31,71,108,.05)}
.intro-stat b{display:block;font-size:22px;line-height:1.2;color:var(--blue-dark)}
.intro-stat span{font-size:12px;color:var(--muted)}
section{padding:57px 0;border-top:1px solid #edf2f6}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:25px}
.section-head h2{font-size:29px;line-height:1.3;margin:0;color:#1d3b58}
.section-head p{max-width:550px;color:var(--muted);font-size:14px;margin:0}
.index-bar{display:flex;align-items:center;gap:11px;flex-wrap:wrap;padding:17px 18px;background:#fff;border:1px solid var(--line);border-radius:13px;box-shadow:0 8px 22px rgba(31,71,108,.05)}
.index-label{font-size:13px;font-weight:800;color:#4c6379;margin-right:3px}
.filter-chip{appearance:none;border:1px solid #dbe6f0;background:#fff;color:#53677d;padding:7px 13px;border-radius:8px;font-size:13px;transition:.18s}
.filter-chip:hover,.filter-chip.active{color:var(--blue);background:var(--blue-soft);border-color:#b7d3ee}
.index-note{margin-left:auto;color:var(--muted);font-size:12px}
.catalog-layout{display:grid;grid-template-columns:1fr 280px;gap:31px;align-items:start}
.series-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}
.series-item{display:grid;grid-template-columns:112px 1fr;min-height:155px;background:#fff;border:1px solid #e8eef4;border-radius:13px;overflow:hidden;box-shadow:0 7px 22px rgba(31,71,108,.055);transition:.22s}
.series-item:hover{transform:translateY(-3px);box-shadow:0 13px 27px rgba(31,71,108,.11)}
.series-cover{height:100%;min-height:155px;position:relative;overflow:hidden;background:#edf3f8}
.series-cover img{transition:transform .3s}
.series-item:hover .series-cover img{transform:scale(1.045)}
.series-info{padding:15px 14px;min-width:0}
.series-info h3{margin:0 0 7px;font-size:16px;line-height:1.45;color:#24435f}
.series-info p{font-size:12px;color:var(--muted);margin:0 0 11px;line-height:1.65}
.tag-row{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.badge{display:inline-block;background:#eff6fc;color:var(--blue);font-size:11px;padding:3px 7px;border-radius:5px;font-weight:700}
.badge-warm{background:#fff4e2;color:#a76b1b}
.card-rating{margin-left:auto;color:#bd7a1c;font-weight:800;font-size:12px;white-space:nowrap}
.more-row{grid-column:1/-1;padding-top:6px}
.catalog-aside{position:sticky;top:100px;background:#f2f7fb;border-radius:14px;padding:22px}
.catalog-aside h3{margin:0 0 14px;font-size:18px;color:#24435f}
.aside-line{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid #dce7f1;font-size:13px}
.aside-line:last-of-type{border:0}
.aside-line span{color:var(--muted)}
.aside-line b{color:#35536e}
.aside-note{font-size:12px;color:var(--muted);margin:12px 0 0}
.rank-layout{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.rank-item{padding:16px 14px;background:#fff;border:1px solid var(--line);border-radius:11px;box-shadow:0 6px 17px rgba(31,71,108,.04)}
.rank-item:first-child{background:#fff8eb;border-color:#f0dfc2}
.rank-number{font-size:23px;font-weight:900;color:var(--orange);line-height:1}
.rank-item h3{font-size:14px;margin:10px 0 8px;line-height:1.5;color:#24435f}
.rank-meta{display:flex;justify-content:space-between;gap:6px;font-size:11px;color:var(--muted)}
.rank-meta b{color:var(--blue)}
.feature-strip{display:grid;grid-template-columns:1.08fr 1fr;min-height:255px;border-radius:16px;overflow:hidden;background:#edf5fb;box-shadow:var(--shadow)}
.feature-image{min-height:255px;position:relative;background:#dce8f1}
.feature-image img{position:absolute;inset:0}
.feature-copy{padding:30px 34px;display:flex;flex-direction:column;justify-content:center}
.feature-copy .section-kicker{margin-bottom:8px}
.feature-copy h3{font-size:25px;line-height:1.35;margin:0 0 10px;color:#1d3b58}
.feature-copy p{color:#65788c;font-size:14px;margin:0 0 19px;max-width:470px}
.feature-copy .btn{align-self:flex-start}
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.news-item{display:grid;grid-template-columns:86px 1fr;gap:13px;padding:13px;background:#fff;border:1px solid #e8eef4;border-radius:11px;transition:.2s}
.news-item:hover{box-shadow:0 10px 23px rgba(31,71,108,.09);transform:translateY(-2px)}
.news-thumb{height:76px;border-radius:7px;overflow:hidden;background:#edf3f8}
.news-item h3{font-size:14px;line-height:1.5;margin:1px 0 6px;color:#294761}
.news-item time{font-size:11px;color:var(--muted)}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
details{background:#fff;border:1px solid var(--line);border-radius:11px;padding:0 17px;transition:.2s}
details[open]{border-color:#9fc3e5;box-shadow:0 8px 20px rgba(35,105,181,.07)}
summary{list-style:none;cursor:pointer;padding:16px 25px 16px 0;font-weight:700;font-size:14px;color:#294761;position:relative}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";position:absolute;right:0;top:12px;color:var(--blue);font-size:22px;font-weight:500}
details[open] summary:after{content:"−"}
details p{margin:0;padding:0 0 16px;color:var(--muted);font-size:13px}
.quick-band{padding:28px 30px;background:#eaf3fc;border:1px solid #d7e7f5;border-radius:14px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.quick-band h2{margin:0 0 4px;font-size:22px;color:#1d3b58}
.quick-band p{margin:0;color:#64788e;font-size:13px}
.quick-actions{display:flex;gap:10px;flex-wrap:wrap}
footer{background:#f1f6fa;border-top:1px solid var(--line);padding:48px 0 18px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:33px}
.footer-brand{font-size:19px;font-weight:900;color:var(--blue-dark);margin-bottom:9px}
.footer-main p,.footer-col p{font-size:13px;color:var(--muted);max-width:310px;margin:0}
.footer-col h3{font-size:14px;color:#294761;margin:0 0 13px}
.footer-col a{display:block;color:#66798d;font-size:13px;margin:7px 0;transition:.2s}
.footer-col a:hover{color:var(--blue)}
.copyright{padding-top:16px;border-top:1px solid var(--line);font-size:12px;color:#8795a4}
@media(max-width:1100px){
 .navbar{gap:18px}.nav-links{gap:13px}.nav-links a{font-size:13px}
 .catalog-layout{grid-template-columns:1fr 240px}.rank-layout{grid-template-columns:repeat(5,minmax(0,1fr))}
 .series-item{grid-template-columns:98px 1fr}
}
@media(max-width:900px){
 .menu-toggle{display:block;margin-left:auto}
 .nav-links{display:none;position:absolute;top:76px;left:0;right:0;background:var(--paper);padding:12px 20px 19px;border-bottom:1px solid var(--line);box-shadow:0 12px 20px rgba(31,71,108,.08);flex-direction:column;align-items:stretch;gap:3px}
 .nav-links.is-open{display:flex}
 .nav-links a{padding:10px 8px;border-bottom:0;border-radius:7px}
 .nav-links a.active,.nav-links a:hover{background:var(--blue-soft)}
 .nav-links .nav-action{text-align:center;margin-top:7px}
 .catalog-layout{grid-template-columns:1fr}.catalog-aside{position:static;display:grid;grid-template-columns:repeat(3,1fr);gap:0 20px}
 .catalog-aside h3,.aside-note{grid-column:1/-1}
 .rank-layout{grid-template-columns:repeat(3,minmax(0,1fr))}
 .news-list{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
 .container{width:min(100% - 30px,1200px)}
 .navbar{min-height:66px}.nav-links{top:66px}
 .brand{font-size:16px}.logo-mark{width:35px;height:35px}
 .page-intro{padding:36px 0 27px}
 .intro-grid{grid-template-columns:1fr;gap:20px}
 .page-intro h1{font-size:37px}
 .intro-stats{gap:8px}.intro-stat{flex:1;min-width:0;padding:11px}
 .intro-stat b{font-size:19px}
 section{padding:42px 0}
 .section-head{display:block;margin-bottom:19px}
 .section-head h2{font-size:24px;margin-bottom:6px}
 .section-head p{font-size:13px}
 .index-bar{gap:8px;padding:13px}
 .index-label{width:100%}.index-note{width:100%;margin:2px 0 0}
 .series-list{grid-template-columns:1fr;gap:12px}
 .series-item{grid-template-columns:100px 1fr;min-height:142px}
 .series-cover{min-height:142px}
 .series-info{padding:12px}
 .series-info h3{font-size:15px}
 .series-info p{font-size:11px;margin-bottom:8px}
 .catalog-aside{grid-template-columns:1fr 1fr;padding:17px}
 .catalog-aside h3,.aside-note{grid-column:1/-1}
 .rank-layout{grid-template-columns:1fr 1fr;gap:9px}
 .rank-item{padding:13px 11px}
 .feature-strip{grid-template-columns:1fr}
 .feature-image{min-height:205px}
 .feature-copy{padding:23px}
 .feature-copy h3{font-size:22px}
 .news-list{grid-template-columns:1fr}
 .faq-grid{grid-template-columns:1fr}
 .quick-band{align-items:flex-start;flex-direction:column;padding:22px}
 .quick-actions{width:100%}.quick-actions .btn{flex:1}
 .footer-grid{grid-template-columns:1fr 1fr;gap:25px 18px}
 .footer-main{grid-column:1/-1}
}
@media(max-width:360px){
 .container{width:calc(100% - 24px)}
 .page-intro h1{font-size:33px}
 .series-item{grid-template-columns:88px 1fr}
 .series-info{padding:10px}
 .tag-row{gap:4px}
 .badge{font-size:10px;padding:3px 5px}
 .footer-grid{gap:22px 12px}
 .quick-actions{flex-direction:column}
}
@media(prefers-reduced-motion:reduce){
 html{scroll-behavior:auto}
 *,*:before,*:after{transition:none!important;animation:none!important}
}