/* roulang page: index */
:root{
            --ink:#f7f8fc;
            --muted:#a8afc0;
            --subtle:#747c91;
            --bg:#10131b;
            --panel:#171b26;
            --panel-2:#1d2230;
            --line:rgba(255,255,255,.1);
            --accent:#f0b45b;
            --accent-2:#78c6c4;
            --danger:#e36b76;
            --radius:18px;
            --shadow:0 18px 50px rgba(0,0,0,.24);
            --max:1180px;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{font-family:"Noto Sans SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);line-height:1.75;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}
        :focus-visible{outline:3px solid var(--accent-2);outline-offset:3px}
        .container{width:min(var(--max),calc(100% - 40px));margin:auto}
        .eyebrow{color:var(--accent);font-size:12px;letter-spacing:.16em;font-weight:700;text-transform:uppercase}
        .section{padding:94px 0;border-top:1px solid var(--line)}
        .section.alt{background:#131722}
        .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:34px}
        .section-head h2{font-size:clamp(25px,3vw,38px);line-height:1.25;letter-spacing:.01em}
        .section-head p{max-width:560px;color:var(--muted);font-size:14px}
        .header{position:sticky;top:0;z-index:20;background:rgba(16,19,27,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
        .nav{height:76px;display:flex;align-items:center;gap:30px}
        .brand{display:flex;align-items:center;gap:11px;min-width:max-content;font-weight:800;letter-spacing:.02em}
        .brand-mark{width:34px;height:34px;border-radius:10px;background:var(--accent);color:#17130e;display:grid;place-items:center;font-weight:900}
        .nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
        .nav-links a{padding:9px 13px;border-radius:9px;color:var(--muted);transition:.2s}
        .nav-links a:hover,.nav-links a.active{color:var(--ink);background:rgba(255,255,255,.08)}
        .nav-action{border:1px solid rgba(240,180,91,.45);padding:9px 15px!important;color:var(--accent)!important}
        .menu-toggle{display:none;background:transparent;color:var(--ink);font-size:25px}
        .hero{min-height:690px;display:flex;align-items:center;position:relative;overflow:hidden;background:#151922}
        .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,12,18,.94) 0%,rgba(10,12,18,.68) 48%,rgba(10,12,18,.25) 100%),url("https://images.unsplash.com/photo-1489599849927-2ee91cede3ba?auto=format&fit=crop&w=2000&q=85") center/cover}
        .hero-inner{position:relative;z-index:1;padding:100px 0}
        .hero-copy{max-width:720px}
        .hero h1{font-size:clamp(39px,6.2vw,78px);line-height:1.08;letter-spacing:-.02em;margin:18px 0 22px}
        .hero h1 span{color:var(--accent)}
        .hero-lead{color:#d6d9e1;max-width:670px;font-size:17px;line-height:1.95}
        .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 21px;border-radius:10px;font-weight:700;transition:.2s;border:1px solid transparent}
        .btn-primary{background:var(--accent);color:#1c1710}
        .btn-primary:hover{background:#ffd181;transform:translateY(-2px)}
        .btn-ghost{border-color:var(--line);color:var(--ink);background:rgba(255,255,255,.05)}
        .btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
        .hero-meta{display:flex;flex-wrap:wrap;gap:24px;margin-top:48px;color:var(--muted);font-size:13px}
        .hero-meta strong{display:block;color:var(--ink);font-size:22px;line-height:1.2}
        .notice{background:#1c202b;border-left:3px solid var(--accent);padding:17px 20px;color:var(--muted);font-size:13px}
        .countdown{padding:18px 0;background:#222633;border-bottom:1px solid var(--line)}
        .countdown-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
        .countdown strong{color:var(--accent)}
        .timer{display:flex;gap:10px;align-items:center}
        .time-box{min-width:55px;text-align:center;padding:7px 8px;background:#10131b;border:1px solid var(--line);border-radius:9px}
        .time-box b{display:block;font-size:20px;color:var(--ink);line-height:1.2}
        .time-box small{color:var(--subtle);font-size:10px}
        .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
        .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
        .media-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
        .media-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(240,180,91,.4)}
        .thumb{height:205px;position:relative;background:#252a38}
        .thumb:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,12,18,.72),transparent 55%)}
        .badge{position:absolute;z-index:1;top:13px;left:13px;background:var(--accent);color:#20170d;padding:3px 8px;border-radius:6px;font-size:11px;font-weight:800}
        .badge.cool{background:var(--accent-2);color:#102120}
        .card-body{padding:17px 18px 19px}
        .card-title{font-size:16px;font-weight:800;line-height:1.4}
        .card-desc{color:var(--muted);font-size:13px;margin-top:7px}
        .card-foot{display:flex;justify-content:space-between;align-items:center;margin-top:15px;color:var(--subtle);font-size:12px}
        .rating{color:var(--accent);font-weight:800}
        .feature{padding:27px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}
        .feature-icon{width:42px;height:42px;border-radius:12px;background:rgba(240,180,91,.12);color:var(--accent);display:grid;place-items:center;font-size:20px;margin-bottom:20px}
        .feature h3{font-size:19px;margin-bottom:9px}
        .feature p{color:var(--muted);font-size:14px}
        .benefit-row{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--panel)}
        .benefit{padding:25px;border-right:1px solid var(--line)}
        .benefit:last-child{border-right:0}
        .benefit b{display:block;font-size:17px;margin-bottom:6px}
        .benefit span{color:var(--muted);font-size:13px}
        .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
        .step{padding:27px 22px;border-right:1px solid var(--line);position:relative}
        .step:last-child{border-right:0}
        .step-num{color:var(--accent);font-size:13px;font-weight:800;letter-spacing:.1em}
        .step h3{margin:12px 0 7px}
        .step p{color:var(--muted);font-size:13px}
        .ranking{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
        .rank-item{display:grid;grid-template-columns:48px 1fr 100px 70px;align-items:center;gap:12px;padding:16px 20px;border-bottom:1px solid var(--line)}
        .rank-item:last-child{border-bottom:0}
        .rank-no{font-size:22px;font-weight:900;color:var(--subtle)}
        .rank-item:nth-child(-n+3) .rank-no{color:var(--accent)}
        .rank-title{font-weight:700}
        .rank-type{display:inline-block;color:var(--accent-2);font-size:11px;margin-left:10px}
        .heat{color:var(--muted);font-size:12px}
        .score{color:var(--accent);font-weight:800;text-align:right}
        .category{padding:28px;background:#1b202c;border:1px solid var(--line);border-radius:var(--radius);min-height:170px;transition:.2s}
        .category:hover{background:#232938;border-color:rgba(120,198,196,.45)}
        .category h3{font-size:19px;margin:16px 0 8px}
        .category p{font-size:13px;color:var(--muted)}
        .category a{display:inline-block;margin-top:16px;color:var(--accent);font-size:13px;font-weight:700}
        .news-card{display:grid;grid-template-columns:145px 1fr;gap:17px;padding:14px;background:var(--panel);border:1px solid var(--line);border-radius:14px}
        .news-img{height:100px;border-radius:10px;overflow:hidden}
        .news-card h3{font-size:15px;line-height:1.45}
        .news-card p{color:var(--muted);font-size:12px;margin-top:7px}
        .news-date{display:block;color:var(--subtle);font-size:11px;margin-top:11px}
        .quote{padding:28px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}
        .quote p{font-size:16px;color:#e7e9ef;line-height:1.8}
        .quote footer{margin-top:18px;color:var(--accent);font-size:13px}
        .faq{border-top:1px solid var(--line)}
        details{border-bottom:1px solid var(--line);padding:20px 0}
        summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:20px}
        summary:after{content:"+";color:var(--accent);font-size:22px;line-height:1}
        details[open] summary:after{content:"−"}
        details p{color:var(--muted);max-width:800px;margin-top:13px;font-size:14px}
        .closing{padding:70px 0;background:#20252f}
        .closing-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
        .closing h2{font-size:clamp(26px,4vw,46px);line-height:1.25}
        .closing p{color:var(--muted);max-width:600px;margin-top:10px}
        footer{padding:58px 0 25px;background:#0c0f15;border-top:1px solid var(--line)}
        .footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:35px;padding-bottom:45px}
        .footer-brand p{color:var(--muted);font-size:13px;max-width:320px;margin-top:14px}
        .footer-col h3{font-size:14px;margin-bottom:15px}
        .footer-col a{display:block;color:var(--muted);font-size:13px;margin:8px 0;transition:.2s}
        .footer-col a:hover{color:var(--accent)}
        .copyright{border-top:1px solid var(--line);padding-top:21px;color:var(--subtle);font-size:12px;display:flex;justify-content:space-between;gap:15px}
        .age-gate{position:fixed;z-index:50;inset:0;background:rgba(5,7,10,.88);display:grid;place-items:center;padding:20px}
        .age-box{max-width:510px;background:#1b202b;border:1px solid rgba(240,180,91,.45);border-radius:20px;padding:38px;box-shadow:var(--shadow);text-align:center}
        .age-box .brand-mark{margin:0 auto 20px}
        .age-box h2{font-size:27px;margin-bottom:12px}
        .age-box p{color:var(--muted);font-size:14px}
        .age-actions{display:flex;justify-content:center;gap:12px;margin-top:26px}
        .age-gate.hidden{display:none}
        @media(max-width:1024px){
            .grid-4{grid-template-columns:repeat(2,1fr)}
            .benefit-row,.steps{grid-template-columns:repeat(2,1fr)}
            .benefit:nth-child(2){border-right:0}
            .benefit:nth-child(-n+2){border-bottom:1px solid var(--line)}
            .step:nth-child(2){border-right:0}
            .step:nth-child(-n+2){border-bottom:1px solid var(--line)}
            .footer-grid{grid-template-columns:2fr 1fr 1fr}
        }
        @media(max-width:768px){
            .container{width:min(var(--max),calc(100% - 30px))}
            .nav{height:68px}
            .menu-toggle{display:block;margin-left:auto}
            .nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:#11151e;border-bottom:1px solid var(--line);padding:12px 15px;flex-direction:column;align-items:stretch}
            .nav-links.open{display:flex}
            .nav-links a{padding:12px 14px}
            .hero{min-height:650px}
            .hero-inner{padding:80px 0}
            .hero h1{font-size:43px}
            .section{padding:70px 0}
            .section-head{display:block}
            .section-head p{margin-top:12px}
            .grid-3,.grid-2{grid-template-columns:1fr}
            .closing-inner{display:block}
            .closing .btn{margin-top:24px}
            .footer-grid{grid-template-columns:1fr 1fr}
        }
        @media(max-width:520px){
            .brand{font-size:13px}
            .brand-mark{width:30px;height:30px}
            .hero h1{font-size:36px}
            .hero-lead{font-size:15px}
            .hero-meta{gap:16px;margin-top:33px}
            .timer{gap:5px}
            .time-box{min-width:45px;padding:5px}
            .time-box b{font-size:17px}
            .countdown-inner{display:block}
            .timer{margin-top:12px}
            .grid-4{grid-template-columns:1fr}
            .benefit-row,.steps{grid-template-columns:1fr}
            .benefit,.step{border-right:0!important;border-bottom:1px solid var(--line)!important}
            .benefit:last-child,.step:last-child{border-bottom:0!important}
            .rank-item{grid-template-columns:34px 1fr 55px;gap:8px;padding:14px 12px}
            .heat{display:none}
            .rank-type{display:block;margin:3px 0 0}
            .news-card{grid-template-columns:100px 1fr}
            .news-img{height:84px}
            .footer-grid{grid-template-columns:1fr}
            .copyright{display:block}
            .copyright span{display:block;margin-top:8px}
            .age-box{padding:28px 22px}
        }

/* roulang page: category1 */
:root{
  --ink:#f7f8fc;
  --muted:#a8afc0;
  --subtle:#747c91;
  --bg:#10131b;
  --panel:#171b26;
  --panel-2:#1d2230;
  --line:rgba(255,255,255,.1);
  --accent:#f0b45b;
  --accent-2:#78c6c4;
  --danger:#e36b76;
  --radius:18px;
  --shadow:0 18px 50px rgba(0,0,0,.24);
  --max:1180px;
 }
 *{box-sizing:border-box}
 html{scroll-behavior:smooth;scroll-padding-top:92px}
 body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.75}
 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}
 button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--accent-2);outline-offset:3px}
 p,h1,h2,h3{margin:0}
 ul{margin:0;padding:0;list-style:none}
 .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
 .eyebrow{color:var(--accent);font-size:12px;font-weight:800;letter-spacing:.12em}
 .section{padding:84px 0;border-top:1px solid var(--line)}
 .section.alt{background:#131722}
 .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:32px}
 .section-head h2{font-size:34px;line-height:1.3;font-weight:800}
 .section-head p{max-width:550px;color:var(--muted);font-size:14px;line-height:1.85}
 .header{position:sticky;top:0;z-index:20;background:rgba(16,19,27,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
 .nav{height:76px;display:flex;align-items:center;gap:28px;position:relative}
 .brand{display:flex;align-items:center;gap:11px;min-width:max-content;font-weight:800}
 .brand-mark{width:36px;height:36px;border-radius:10px;background:var(--accent);color:#17130e;display:grid;place-items:center;font-weight:900}
 .nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
 .nav-links a{padding:9px 12px;border-radius:9px;color:var(--muted);font-size:13px;white-space:nowrap;transition:background .2s,color .2s}
 .nav-links a:hover,.nav-links a.active{color:var(--ink);background:rgba(255,255,255,.08)}
 .nav-links a.active{box-shadow:inset 0 -2px 0 var(--accent)}
 .nav-links .nav-action{padding:9px 14px;border:1px solid rgba(240,180,91,.45);color:var(--accent)}
 .nav-links .nav-action:hover{background:rgba(240,180,91,.12);color:#ffd181}
 .menu-toggle{display:none;width:42px;height:42px;margin-left:auto;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--ink);font-size:21px}
 .category-hero{position:relative;min-height:620px;display:flex;align-items:center;overflow:hidden;background:#151922}
 .hero-image,.hero-shade{position:absolute;inset:0}
 .hero-image{object-position:center 31%;opacity:.76}
 .hero-shade{background:rgba(10,12,18,.62)}
 .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(260px,.65fr);align-items:center;gap:70px;padding:72px 0}
 .hero-copy{max-width:690px}
 .hero h1{margin:16px 0 18px;font-size:58px;line-height:1.16;font-weight:900}
 .hero h1 span{color:var(--accent)}
 .hero-subtitle{margin-bottom:14px;color:#fff;font-size:19px;font-weight:700}
 .hero-lead{max-width:650px;color:#e1e3e9;font-size:16px;line-height:1.95}
 .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
 .btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border:1px solid transparent;border-radius:10px;font-weight:800;transition:transform .2s,background .2s,border-color .2s}
 .btn-primary{background:var(--accent);color:#1c1710}
 .btn-primary:hover{background:#ffd181;transform:translateY(-2px)}
 .btn-primary[aria-pressed="true"]{background:var(--accent-2);color:#102120}
 .btn-ghost{border-color:rgba(255,255,255,.25);background:rgba(16,19,27,.4);color:var(--ink)}
 .btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
 .hero-meta{display:flex;flex-wrap:wrap;gap:24px;margin-top:32px;color:#c1c5d0;font-size:13px}
 .hero-meta strong{display:block;color:var(--ink);font-size:19px;line-height:1.35}
 .hero-side{justify-self:end;width:min(100%,340px);padding:20px 0 20px 30px;border-left:1px solid rgba(255,255,255,.26)}
 .hero-side-title{color:#e5e7ed;font-size:13px;font-weight:700}
 .progress-wrap{display:flex;align-items:center;gap:18px;margin:18px 0 24px}
 .progress-ring{width:108px;height:108px;flex:none;display:grid;place-items:center;border:7px solid var(--accent);border-radius:50%;box-shadow:0 0 0 8px rgba(240,180,91,.12)}
 .progress-ring strong{font-size:28px;line-height:1}
 .progress-ring span{display:block;margin-top:5px;color:var(--muted);font-size:10px;text-align:center}
 .progress-copy strong{display:block;font-size:17px}
 .progress-copy span{display:block;margin-top:4px;color:var(--muted);font-size:12px}
 .hero-ranges{display:grid;gap:12px;padding-top:17px;border-top:1px solid rgba(255,255,255,.22)}
 .hero-range{display:flex;justify-content:space-between;gap:12px;color:#d7d9e0;font-size:12px}
 .hero-range span:first-child{color:var(--muted)}
 .text-link{display:inline-flex;align-items:center;gap:7px;color:var(--accent);font-size:13px;font-weight:800}
 .text-link:hover{color:#ffd181}
 .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
 .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
 .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
 .media-card{min-width:0;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);transition:transform .24s,border-color .24s,box-shadow .24s}
 .media-card:hover{transform:translateY(-4px);border-color:rgba(240,180,91,.42);box-shadow:var(--shadow)}
 .card-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--panel-2)}
 .card-media img{transition:transform .4s}
 .media-card:hover .card-media img{transform:scale(1.035)}
 .badge{position:absolute;z-index:1;top:12px;left:12px;padding:4px 9px;border-radius:6px;background:var(--accent);color:#20170d;font-size:11px;font-weight:900}
 .badge.cool{background:var(--accent-2);color:#102120}
 .badge.dark{background:rgba(16,19,27,.86);color:var(--ink);border:1px solid rgba(255,255,255,.16)}
 .card-body{padding:16px 17px 17px}
 .card-title{font-size:16px;font-weight:800;line-height:1.45}
 .card-desc{margin-top:7px;color:var(--muted);font-size:13px;line-height:1.7}
 .card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;color:var(--subtle);font-size:12px}
 .score{color:var(--accent);font-weight:800;white-space:nowrap}
 .tag-row{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}
 .tag{display:inline-flex;align-items:center;padding:4px 8px;border:1px solid var(--line);border-radius:6px;color:var(--muted);font-size:11px;line-height:1.4}
 .section-more{display:flex;justify-content:center;margin-top:30px}
 .subtitle-band{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:center}
 .subtitle-copy h2{margin:13px 0 14px;font-size:32px;line-height:1.35}
 .subtitle-copy p{max-width:430px;color:var(--muted);font-size:14px}
 .subtitle-stats{display:flex;gap:28px;margin-top:25px}
 .subtitle-stat strong{display:block;color:var(--accent);font-size:24px;line-height:1.25}
 .subtitle-stat span{color:var(--muted);font-size:12px}
 .subtitle-list{border-top:1px solid var(--line)}
 .subtitle-item{display:grid;grid-template-columns:46px 1fr auto;align-items:center;gap:17px;padding:17px 0;border-bottom:1px solid var(--line)}
 .subtitle-no{color:var(--accent);font-size:13px;font-weight:900}
 .subtitle-item h3{font-size:15px}
 .subtitle-item p{margin-top:4px;color:var(--muted);font-size:12px}
 .subtitle-state{color:var(--accent-2);font-size:12px;font-weight:700;white-space:nowrap}
 .topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
 .topic-card{min-height:170px;display:flex;flex-direction:column;justify-content:space-between;padding:20px;border:1px solid var(--line);border-radius:14px;background:var(--panel);transition:transform .2s,border-color .2s,background .2s}
 .topic-card:hover{transform:translateY(-3px);border-color:rgba(120,198,196,.55);background:#1a202c}
 .topic-number{color:var(--accent-2);font-size:12px;font-weight:800}
 .topic-card h3{margin:12px 0 7px;font-size:17px}
 .topic-card p{color:var(--muted);font-size:12px;line-height:1.7}
 .topic-card .text-link{margin-top:15px}
 .popular-layout{display:grid;grid-template-columns:1fr 1fr;gap:22px}
 .popular-feature{position:relative;min-height:375px;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
 .popular-feature img{position:absolute;inset:0;object-position:center 35%}
 .popular-feature:after{content:"";position:absolute;inset:0;background:rgba(10,12,18,.55)}
 .popular-feature-copy{position:absolute;z-index:1;right:26px;bottom:25px;left:26px}
 .popular-feature-copy h3{margin:10px 0;font-size:25px}
 .popular-feature-copy p{max-width:470px;color:#e0e2e9;font-size:13px}
 .popular-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
 .popular-item{display:grid;grid-template-columns:78px 1fr;align-items:center;gap:12px;padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}
 .popular-item img{width:78px;height:78px;border-radius:8px}
 .popular-item h3{font-size:13px;line-height:1.5}
 .popular-item p{margin-top:5px;color:var(--muted);font-size:11px}
 .ranking-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:start}
 .rank-list{border-top:1px solid var(--line)}
 .rank-item{display:grid;grid-template-columns:40px minmax(0,1fr) 90px 54px;align-items:center;gap:12px;padding:15px 14px;border-bottom:1px solid var(--line);transition:background .2s}
 .rank-item:hover{background:rgba(255,255,255,.035)}
 .rank-no{color:var(--subtle);font-size:15px;font-weight:900}
 .rank-item:nth-child(-n+3) .rank-no{color:var(--accent)}
 .rank-title{font-size:14px;font-weight:700}
 .rank-category{margin-top:3px;color:var(--muted);font-size:11px}
 .rank-heat{color:var(--muted);font-size:11px;text-align:right}
 .rank-score{color:var(--accent);font-size:12px;font-weight:800;text-align:right}
 .ranking-aside{padding:25px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
 .ranking-aside h3{font-size:20px}
 .ranking-aside p{margin-top:10px;color:var(--muted);font-size:13px}
 .ranking-metrics{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:22px}
 .ranking-metric{padding:14px;border-radius:10px;background:var(--panel-2)}
 .ranking-metric strong{display:block;color:var(--accent-2);font-size:20px}
 .ranking-metric span{color:var(--muted);font-size:11px}
 .news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
 .news-card{display:grid;grid-template-columns:136px minmax(0,1fr);gap:16px;min-height:132px;padding:13px;border:1px solid var(--line);border-radius:14px;background:var(--panel);transition:border-color .2s,transform .2s}
 .news-card:hover{transform:translateY(-2px);border-color:rgba(240,180,91,.4)}
 .news-img{height:104px;overflow:hidden;border-radius:9px;background:var(--panel-2)}
 .news-card h3{font-size:14px;line-height:1.55}
 .news-card p{margin-top:7px;color:var(--muted);font-size:12px;line-height:1.65}
 .news-date{display:block;margin-top:8px;color:var(--subtle);font-size:11px}
 .faq-list{border-top:1px solid var(--line)}
 .faq-item{border-bottom:1px solid var(--line)}
 .faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:19px 3px;cursor:pointer;font-weight:800;list-style:none}
 .faq-item summary::-webkit-details-marker{display:none}
 .faq-item summary:after{content:"+";color:var(--accent);font-size:22px;font-weight:400;line-height:1}
 .faq-item[open] summary:after{content:"−"}
 .faq-item p{max-width:850px;padding:0 36px 20px 3px;color:var(--muted);font-size:14px;line-height:1.85}
 .subscribe-section{padding:55px 0;border-top:1px solid var(--line);background:#171b26}
 .subscribe-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
 .subscribe-copy h2{font-size:26px}
 .subscribe-copy p{max-width:660px;margin-top:8px;color:var(--muted);font-size:14px}
 .subscribe-actions{display:flex;flex-wrap:wrap;gap:10px}
 footer{padding:58px 0 25px;background:#0c0f15;border-top:1px solid var(--line)}
 .footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:35px;padding-bottom:44px}
 .footer-brand p{max-width:320px;margin-top:14px;color:var(--muted);font-size:13px}
 .footer-col h3{margin-bottom:15px;font-size:14px}
 .footer-col a{display:block;margin:8px 0;color:var(--muted);font-size:13px;transition:color .2s}
 .footer-col a:hover{color:var(--accent)}
 .copyright{display:flex;justify-content:space-between;gap:15px;padding-top:21px;border-top:1px solid var(--line);color:var(--subtle);font-size:12px}
 @media(max-width:1080px){
  .nav{gap:16px}
  .nav-links a{padding:8px 9px;font-size:12px}
  .brand{font-size:14px}
  .grid-4{grid-template-columns:repeat(3,minmax(0,1fr))}
  .topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 }
 @media(max-width:900px){
  .nav{height:70px}
  .menu-toggle{display:grid;place-items:center}
  .nav-links{display:none;position:absolute;top:calc(100% + 1px);right:0;left:0;align-items:stretch;gap:4px;margin:0;padding:12px;border:1px solid var(--line);border-radius:0 0 14px 14px;background:#11151e;box-shadow:var(--shadow)}
  .nav-links.is-open{display:flex;flex-direction:column}
  .nav-links a{padding:12px 13px;font-size:14px}
  .hero-inner{grid-template-columns:minmax(0,1fr) 260px;gap:35px}
  .hero h1{font-size:48px}
  .hero-side{padding-left:20px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ranking-wrap{grid-template-columns:1fr;gap:24px}
  .ranking-aside{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:20px}
  .ranking-metrics{margin-top:0}
  .footer-grid{grid-template-columns:2fr 1fr 1fr}
  .footer-col:last-child{grid-column:2 / 4}
 }
 @media(max-width:680px){
  .container{width:min(var(--max),calc(100% - 32px))}
  .section{padding:64px 0}
  .section-head{display:block;margin-bottom:24px}
  .section-head h2{font-size:28px}
  .section-head p{margin-top:10px}
  .category-hero{min-height:670px}
  .hero-inner{grid-template-columns:1fr;gap:30px;padding:56px 0}
  .hero h1{font-size:42px}
  .hero-subtitle{font-size:17px}
  .hero-lead{font-size:14px}
  .hero-side{justify-self:start;width:100%;max-width:470px;padding:18px 0 0;border-top:1px solid rgba(255,255,255,.26);border-left:0}
  .progress-wrap{margin:14px 0 18px}
  .progress-ring{width:88px;height:88px}
  .hero-meta{gap:18px;margin-top:24px}
  .subtitle-band{grid-template-columns:1fr;gap:30px}
  .subtitle-copy h2{font-size:28px}
  .popular-layout{grid-template-columns:1fr}
  .popular-feature{min-height:320px}
  .news-grid{grid-template-columns:1fr}
  .ranking-aside{display:block}
  .ranking-metrics{margin-top:18px}
  .subscribe-inner{align-items:flex-start;flex-direction:column}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px 20px}
  .footer-brand{grid-column:1 / -1}
  .footer-col:last-child{grid-column:auto}
  .copyright{flex-direction:column;gap:6px}
 }
 @media(max-width:520px){
  .brand{gap:8px;font-size:13px}
  .brand-mark{width:33px;height:33px}
  .category-hero{min-height:700px}
  .hero-inner{padding:42px 0}
  .hero h1{font-size:36px}
  .hero-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px}
  .btn{padding:10px 12px;font-size:13px}
  .hero-meta{gap:15px}
  .grid-4,.grid-3,.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}
  .card-body{padding:13px}
  .card-title{font-size:14px}
  .card-desc{font-size:12px}
  .card-foot{align-items:flex-start;flex-direction:column;gap:5px}
  .badge{top:8px;left:8px;padding:3px 7px;font-size:10px}
  .topic-grid{grid-template-columns:1fr 1fr;gap:10px}
  .topic-card{min-height:165px;padding:15px}
  .topic-card h3{font-size:15px}
  .topic-card p{font-size:11px}
  .popular-list{grid-template-columns:1fr}
  .popular-feature{min-height:285px}
  .popular-feature-copy{right:18px;bottom:18px;left:18px}
  .popular-feature-copy h3{font-size:21px}
  .rank-item{grid-template-columns:28px minmax(0,1fr) 64px 42px;gap:7px;padding:13px 5px}
  .rank-title{font-size:12px}
  .rank-heat,.rank-score{font-size:10px}
  .news-card{grid-template-columns:100px minmax(0,1fr);gap:12px;padding:10px}
  .news-img{height:92px}
  .news-card h3{font-size:13px}
  .subtitle-item{grid-template-columns:30px 1fr;gap:12px}
  .subtitle-state{grid-column:2}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-col h3{font-size:13px}
  .footer-col a{font-size:12px}
 }
 @media(prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;transition:none!important}
 }

/* roulang page: category3 */
:root {
      --ink: #f7f8fc;
      --muted: #a8afc0;
      --subtle: #747c91;
      --bg: #10131b;
      --panel: #171b26;
      --panel-2: #1d2230;
      --line: rgba(255,255,255,.1);
      --accent: #f0b45b;
      --accent-2: #78c6c4;
      --danger: #e36b76;
      --radius: 18px;
      --shadow: 0 18px 50px rgba(0,0,0,.24);
      --max: 1180px;
      --focus: 0 0 0 3px rgba(120,198,196,.38);
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      scroll-padding-top: 92px;
    }

    body {
      margin: 0;
      padding-bottom: 82px;
      background: var(--bg);
      color: var(--ink);
      font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
      font-size: 15px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }

    img {
      display: block;
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    button,
    input {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

    button,
    a,
    input {
      -webkit-tap-highlight-color: transparent;
    }

    :focus-visible {
      outline: none;
      box-shadow: var(--focus);
    }

    ::selection {
      background: rgba(240,180,91,.35);
      color: var(--ink);
    }

    .container {
      width: min(var(--max), calc(100% - 40px));
      margin-inline: auto;
    }

    .skip-link {
      position: fixed;
      z-index: 100;
      top: 10px;
      left: 10px;
      padding: 10px 14px;
      border-radius: 8px;
      background: var(--accent);
      color: #17130e;
      font-weight: 800;
      transform: translateY(-150%);
    }

    .skip-link:focus {
      transform: translateY(0);
    }

    .eyebrow {
      color: var(--accent);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: .16em;
    }

    .section {
      padding: 86px 0;
      border-top: 1px solid var(--line);
    }

    .section.alt {
      background: #131722;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 32px;
    }

    .section-head h2 {
      margin: 8px 0 0;
      font-size: 34px;
      line-height: 1.25;
      font-weight: 800;
    }

    .section-head p {
      max-width: 540px;
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--accent);
      font-size: 13px;
      font-weight: 800;
      transition: color .2s ease, gap .2s ease;
    }

    .text-link:hover {
      gap: 12px;
      color: #ffd181;
    }

    .header {
      position: sticky;
      z-index: 30;
      top: 0;
      border-bottom: 1px solid var(--line);
      background: rgba(16,19,27,.93);
      backdrop-filter: blur(16px);
    }

    .nav {
      min-height: 76px;
      display: flex;
      align-items: center;
      gap: 28px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 11px;
      min-width: max-content;
      font-weight: 800;
      letter-spacing: .02em;
    }

    .brand-mark {
      width: 36px;
      height: 36px;
      display: grid;
      flex: 0 0 36px;
      place-items: center;
      border-radius: 10px;
      background: var(--accent);
      color: #17130e;
      font-size: 18px;
      font-weight: 900;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 5px;
      margin-left: auto;
    }

    .nav-links a {
      padding: 9px 12px;
      border: 1px solid transparent;
      border-radius: 9px;
      color: var(--muted);
      font-size: 13px;
      white-space: nowrap;
      transition: color .2s ease, background .2s ease, border-color .2s ease;
    }

    .nav-links a:hover,
    .nav-links a.active {
      background: rgba(255,255,255,.08);
      color: var(--ink);
    }

    .nav-links a.active {
      border-color: rgba(255,255,255,.06);
    }

    .nav-links .nav-action {
      margin-left: 5px;
      border-color: rgba(240,180,91,.42);
      color: var(--accent);
    }

    .nav-links .nav-action:hover {
      background: rgba(240,180,91,.12);
      color: #ffd181;
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      margin-left: auto;
      border: 1px solid var(--line);
      border-radius: 10px;
      background: var(--panel);
      color: var(--ink);
    }

    .menu-icon,
    .menu-icon::before,
    .menu-icon::after {
      width: 18px;
      height: 2px;
      display: block;
      position: relative;
      margin: auto;
      border-radius: 2px;
      background: currentColor;
      transition: transform .2s ease;
    }

    .menu-icon::before,
    .menu-icon::after {
      position: absolute;
      left: 0;
      content: "";
    }

    .menu-icon::before {
      top: -6px;
    }

    .menu-icon::after {
      top: 6px;
    }

    .menu-toggle[aria-expanded="true"] .menu-icon {
      background: transparent;
    }

    .menu-toggle[aria-expanded="true"] .menu-icon::before {
      top: 0;
      transform: rotate(45deg);
    }

    .menu-toggle[aria-expanded="true"] .menu-icon::after {
      top: 0;
      transform: rotate(-45deg);
    }

    .hero {
      min-height: 630px;
      display: flex;
      align-items: center;
      position: relative;
      overflow: hidden;
      isolation: isolate;
      background: #151922;
    }

    .hero::before {
      position: absolute;
      z-index: -2;
      inset: 0;
      background: url("https://images.unsplash.com/photo-1508214751196-bcfd4ca60f91?auto=format&fit=crop&w=2000&q=85") center 38% / cover no-repeat;
      content: "";
    }

    .hero::after {
      position: absolute;
      z-index: -1;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(10,12,18,.94) 0%, rgba(10,12,18,.78) 50%, rgba(10,12,18,.3) 100%),
        linear-gradient(0deg, rgba(10,12,18,.7) 0%, transparent 45%);
      content: "";
    }

    .hero-inner {
      width: 100%;
      padding: 82px 0 74px;
    }

    .hero-copy {
      max-width: 760px;
    }

    .hero h1 {
      max-width: 760px;
      margin: 18px 0 16px;
      font-size: 66px;
      font-weight: 900;
      line-height: 1.12;
    }

    .hero h1 span {
      color: var(--accent);
    }

    .hero-subtitle {
      margin: 0 0 12px;
      color: #f2f3f7;
      font-size: 19px;
      font-weight: 700;
    }

    .hero-lead {
      max-width: 690px;
      margin: 0;
      color: #d6d9e1;
      font-size: 16px;
      line-height: 1.9;
    }

    .hero-form {
      max-width: 620px;
      display: flex;
      gap: 10px;
      margin-top: 28px;
    }

    .search-wrap {
      min-width: 0;
      flex: 1;
      position: relative;
    }

    .search-wrap input {
      width: 100%;
      height: 52px;
      padding: 0 17px;
      border: 1px solid rgba(255,255,255,.2);
      border-radius: 10px;
      outline: none;
      background: rgba(18,21,29,.78);
      color: var(--ink);
      transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }

    .search-wrap input::placeholder {
      color: #a8afc0;
    }

    .search-wrap input:focus {
      border-color: var(--accent-2);
      background: rgba(18,21,29,.96);
      box-shadow: var(--focus);
    }

    .btn {
      min-height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 11px 20px;
      border: 1px solid transparent;
      border-radius: 10px;
      font-weight: 800;
      line-height: 1.25;
      text-align: center;
      transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
    }

    .btn-primary {
      background: var(--accent);
      color: #1c1710;
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      background: #ffd181;
      box-shadow: 0 10px 28px rgba(240,180,91,.2);
    }

    .btn-ghost {
      border-color: rgba(255,255,255,.2);
      background: rgba(255,255,255,.06);
      color: var(--ink);
    }

    .btn-ghost:hover {
      transform: translateY(-2px);
      border-color: rgba(255,255,255,.38);
      background: rgba(255,255,255,.12);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 11px;
      margin-top: 13px;
    }

    .hero-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 34px;
      margin-top: 42px;
      color: #c3c8d3;
      font-size: 12px;
    }

    .hero-meta strong {
      display: block;
      margin-bottom: 2px;
      color: var(--ink);
      font-size: 20px;
      line-height: 1.3;
    }

    .search-result {
      min-height: 22px;
      margin: 10px 0 0;
      color: var(--accent-2);
      font-size: 13px;
    }

    .benefit-row {
      display: grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      border: 1px solid var(--line);
      border-radius: var(--radius);
      overflow: hidden;
      background: var(--panel);
    }

    .benefit {
      min-height: 156px;
      padding: 26px 28px;
      border-right: 1px solid var(--line);
    }

    .benefit:last-child {
      border-right: 0;
    }

    .benefit-number {
      display: block;
      margin-bottom: 13px;
      color: var(--accent);
      font-size: 12px;
      font-weight: 900;
      letter-spacing: .12em;
    }

    .benefit h3 {
      margin: 0 0 7px;
      font-size: 18px;
    }

    .benefit p {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
    }

    .latest-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap: 18px;
    }

    .media-card {
      min-width: 0;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
      transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
    }

    .media-card:hover {
      transform: translateY(-5px);
      border-color: rgba(240,180,91,.4);
      box-shadow: var(--shadow);
    }

    .card-image {
      height: 205px;
      position: relative;
      overflow: hidden;
      background: var(--panel-2);
    }

    .card-image img {
      transition: transform .5s ease;
    }

    .media-card:hover .card-image img {
      transform: scale(1.045);
    }

    .card-image::after {
      position: absolute;
      inset: 38% 0 0;
      background: linear-gradient(0deg, rgba(10,12,18,.68), transparent);
      content: "";
      pointer-events: none;
    }

    .badge {
      position: absolute;
      z-index: 1;
      top: 12px;
      left: 12px;
      padding: 4px 9px;
      border-radius: 6px;
      background: var(--accent);
      color: #20170d;
      font-size: 11px;
      font-weight: 900;
      line-height: 1.4;
    }

    .badge.cool {
      background: var(--accent-2);
      color: #102120;
    }

    .badge.soft {
      border: 1px solid rgba(255,255,255,.24);
      background: rgba(16,19,27,.7);
      color: var(--ink);
      backdrop-filter: blur(8px);
    }

    .card-body {
      padding: 16px 17px 17px;
    }

    .card-title {
      min-height: 46px;
      margin: 0;
      font-size: 15px;
      font-weight: 800;
      line-height: 1.5;
    }

    .card-desc {
      margin: 6px 0 0;
      color: var(--muted);
      font-size: 12px;
      line-height: 1.65;
    }

    .card-foot {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
      margin-top: 14px;
      padding-top: 11px;
      border-top: 1px solid var(--line);
      color: var(--subtle);
      font-size: 11px;
    }

    .rating {
      color: var(--accent);
      font-size: 13px;
      font-weight: 900;
    }

    .popular-layout {
      display: grid;
      grid-template-columns: minmax(0,.92fr) minmax(0,1.08fr);
      gap: 34px;
      align-items: stretch;
    }

    .popular-feature {
      min-height: 445px;
      display: flex;
      align-items: end;
      position: relative;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel-2);
    }

    .popular-feature img {
      position: absolute;
      inset: 0;
    }

    .popular-feature::after {
      position: absolute;
      inset: 0;
      background: linear-gradient(0deg, rgba(10,12,18,.94) 0%, rgba(10,12,18,.2) 72%);
      content: "";
    }

    .popular-feature-copy {
      z-index: 1;
      padding: 30px;
    }

    .popular-feature-copy h3 {
      max-width: 450px;
      margin: 12px 0 9px;
      font-size: 27px;
      line-height: 1.32;
    }

    .popular-feature-copy p {
      max-width: 440px;
      margin: 0;
      color: #d3d6df;
      font-size: 13px;
    }

    .popular-list {
      display: grid;
      align-content: stretch;
      border-top: 1px solid var(--line);
    }

    .popular-item {
      display: grid;
      grid-template-columns: 42px minmax(0,1fr) auto;
      align-items: center;
      gap: 14px;
      padding: 17px 4px;
      border-bottom: 1px solid var(--line);
      transition: padding .2s ease, background .2s ease;
    }

    .popular-item:hover {
      padding-inline: 10px;
      background: rgba(255,255,255,.035);
    }

    .popular-index {
      color: var(--accent);
      font-size: 13px;
      font-weight: 900;
    }

    .popular-item h3 {
      margin: 0;
      font-size: 15px;
      line-height: 1.45;
    }

    .popular-item p {
      margin: 5px 0 0;
      color: var(--muted);
      font-size: 12px;
    }

    .popular-score {
      color: var(--accent);
      font-size: 13px;
      font-weight: 900;
      white-space: nowrap;
    }

    .channel-layout {
      display: grid;
      grid-template-columns: minmax(0,.72fr) minmax(0,1.28fr);
      gap: 46px;
      align-items: start;
    }

    .channel-intro {
      position: sticky;
      top: 108px;
      padding: 26px;
      border-left: 2px solid var(--accent);
      background: linear-gradient(90deg, rgba(240,180,91,.08), transparent);
    }

    .channel-intro h2 {
      margin: 10px 0 12px;
      font-size: 32px;
      line-height: 1.25;
    }

    .channel-intro p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .channel-list {
      border-top: 1px solid var(--line);
    }

    .channel-item {
      display: grid;
      grid-template-columns: 46px minmax(0,1fr) 24px;
      gap: 16px;
      align-items: start;
      padding: 20px 8px;
      border-bottom: 1px solid var(--line);
      transition: background .2s ease, padding .2s ease;
    }

    .channel-item:hover {
      padding-inline: 14px;
      background: rgba(255,255,255,.035);
    }

    .channel-no {
      padding-top: 2px;
      color: var(--accent-2);
      font-size: 12px;
      font-weight: 900;
    }

    .channel-item h3 {
      margin: 0 0 5px;
      font-size: 17px;
    }

    .channel-item p {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.75;
    }

    .channel-arrow {
      color: var(--accent);
      font-size: 21px;
      line-height: 1;
      transition: transform .2s ease;
    }

    .channel-item:hover .channel-arrow {
      transform: translateX(4px);
    }

    .ranking-list {
      margin: 0;
      padding: 0;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
      list-style: none;
    }

    .rank-item {
      min-height: 66px;
      display: grid;
      grid-template-columns: 48px minmax(0,1fr) 132px 82px 78px;
      align-items: center;
      gap: 12px;
      padding: 12px 20px;
      border-bottom: 1px solid var(--line);
      transition: background .2s ease;
    }

    .rank-item:last-child {
      border-bottom: 0;
    }

    .rank-item:hover {
      background: rgba(255,255,255,.04);
    }

    .rank-no {
      color: var(--subtle);
      font-size: 15px;
      font-weight: 900;
    }

    .rank-item:nth-child(-n+3) .rank-no {
      color: var(--accent);
    }

    .rank-title {
      min-width: 0;
      overflow: hidden;
      font-size: 14px;
      font-weight: 800;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .rank-tag {
      width: fit-content;
      padding: 3px 8px;
      border: 1px solid var(--line);
      border-radius: 6px;
      color: var(--muted);
      font-size: 11px;
      white-space: nowrap;
    }

    .rank-heat {
      color: var(--muted);
      font-size: 12px;
      text-align: right;
      white-space: nowrap;
    }

    .rank-rating {
      color: var(--accent);
      font-size: 13px;
      font-weight: 900;
      text-align: right;
    }

    .news-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 14px;
    }

    .news-card {
      min-width: 0;
      display: grid;
      grid-template-columns: 138px minmax(0,1fr);
      gap: 17px;
      align-items: center;
      padding: 13px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: var(--panel);
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .news-card:hover {
      transform: translateY(-3px);
      border-color: rgba(120,198,196,.4);
      box-shadow: 0 12px 30px rgba(0,0,0,.2);
    }

    .news-img {
      height: 98px;
      overflow: hidden;
      border-radius: 9px;
      background: var(--panel-2);
    }

    .news-img img {
      transition: transform .4s ease;
    }

    .news-card:hover .news-img img {
      transform: scale(1.05);
    }

    .news-card h3 {
      margin: 0;
      font-size: 14px;
      line-height: 1.55;
    }

    .news-card p {
      margin: 7px 0 0;
      color: var(--subtle);
      font-size: 11px;
    }

    .faq-list {
      max-width: 900px;
      border-top: 1px solid var(--line);
    }

    .faq-item {
      padding: 21px 0;
      border-bottom: 1px solid var(--line);
    }

    .faq-item h3 {
      display: flex;
      align-items: flex-start;
      gap: 13px;
      margin: 0;
      font-size: 16px;
      line-height: 1.5;
    }

    .faq-item h3::before {
      flex: 0 0 auto;
      color: var(--accent);
      content: "问";
      font-size: 13px;
      font-weight: 900;
    }

    .faq-item p {
      margin: 9px 0 0 29px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.8;
    }

    .subscribe-band {
      display: grid;
      grid-template-columns: minmax(0,1fr) auto;
      align-items: center;
      gap: 28px;
      padding: 32px 36px;
      border: 1px solid rgba(240,180,91,.25);
      border-radius: var(--radius);
      background:
        linear-gradient(110deg, rgba(240,180,91,.12), transparent 58%),
        var(--panel);
    }

    .subscribe-band h2 {
      margin: 7px 0 6px;
      font-size: 24px;
      line-height: 1.35;
    }

    .subscribe-band p {
      max-width: 720px;
      margin: 0;
      color: var(--muted);
      font-size: 13px;
    }

    .subscribe-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    footer {
      padding: 58px 0 25px;
      border-top: 1px solid var(--line);
      background: #0c0f15;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr repeat(3,minmax(0,1fr));
      gap: 35px;
      padding-bottom: 42px;
    }

    .footer-brand p {
      max-width: 320px;
      margin: 14px 0 0;
      color: var(--muted);
      font-size: 13px;
    }

    .footer-col h3 {
      margin: 0 0 15px;
      font-size: 14px;
    }

    .footer-col a {
      display: block;
      margin: 8px 0;
      color: var(--muted);
      font-size: 13px;
      transition: color .2s ease;
    }

    .footer-col a:hover {
      color: var(--accent);
    }

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 15px;
      padding-top: 21px;
      border-top: 1px solid var(--line);
      color: var(--subtle);
      font-size: 12px;
    }

    .sticky-cta {
      position: fixed;
      z-index: 25;
      right: 50%;
      bottom: 14px;
      width: min(520px, calc(100% - 32px));
      min-height: 58px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 8px 10px 8px 18px;
      transform: translateX(50%);
      border: 1px solid rgba(255,255,255,.14);
      border-radius: 13px;
      background: rgba(23,27,38,.94);
      box-shadow: 0 14px 42px rgba(0,0,0,.38);
      backdrop-filter: blur(14px);
    }

    .sticky-copy {
      min-width: 0;
      color: var(--muted);
      font-size: 12px;
    }

    .sticky-copy strong {
      display: block;
      overflow: hidden;
      color: var(--ink);
      font-size: 13px;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .sticky-cta .btn {
      min-height: 40px;
      flex: 0 0 auto;
      padding: 9px 14px;
      font-size: 12px;
    }

    .empty-state {
      grid-column: 1 / -1;
      padding: 36px 20px;
      border: 1px dashed var(--line);
      border-radius: 14px;
      color: var(--muted);
      text-align: center;
    }

    @media (max-width: 1024px) {
      .nav {
        gap: 18px;
      }

      .nav-links a {
        padding-inline: 9px;
        font-size: 12px;
      }

      .latest-grid {
        grid-template-columns: repeat(3,minmax(0,1fr));
      }

      .popular-layout {
        gap: 25px;
      }

      .rank-item {
        grid-template-columns: 42px minmax(0,1fr) 112px 68px 66px;
        gap: 9px;
        padding-inline: 15px;
      }

      .footer-grid {
        grid-template-columns: 1.6fr repeat(3,minmax(0,1fr));
        gap: 24px;
      }
    }

    @media (max-width: 768px) {
      .container {
        width: min(var(--max), calc(100% - 32px));
      }

      .section {
        padding: 66px 0;
      }

      .section-head {
        display: block;
        margin-bottom: 25px;
      }

      .section-head h2 {
        font-size: 29px;
      }

      .section-head p {
        margin-top: 11px;
      }

      .header .container {
        position: relative;
      }

      .nav {
        min-height: 68px;
      }

      .menu-toggle {
        display: block;
      }

      .nav-links {
        display: none;
        position: absolute;
        top: calc(100% + 1px);
        right: 0;
        left: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 3px;
        margin: 0;
        padding: 12px;
        border: 1px solid var(--line);
        border-top: 0;
        border-radius: 0 0 14px 14px;
        background: rgba(16,19,27,.98);
        box-shadow: var(--shadow);
      }

      .nav-links.is-open {
        display: flex;
      }

      .nav-links a {
        padding: 12px 13px;
        font-size: 14px;
      }

      .nav-links .nav-action {
        margin: 5px 0 0;
        text-align: center;
      }

      .hero {
        min-height: 600px;
      }

      .hero-inner {
        padding: 68px 0 58px;
      }

      .hero h1 {
        font-size: 48px;
      }

      .hero-subtitle {
        font-size: 17px;
      }

      .hero-meta {
        gap: 22px;
        margin-top: 34px;
      }

      .benefit-row {
        grid-template-columns: 1fr;
      }

      .benefit {
        min-height: 0;
        padding: 22px 24px;
        border-right: 0;
        border-bottom: 1px solid var(--line);
      }

      .benefit:last-child {
        border-bottom: 0;
      }

      .latest-grid {
        grid-template-columns: repeat(2,minmax(0,1fr));
        gap: 14px;
      }

      .card-image {
        height: 185px;
      }

      .popular-layout {
        grid-template-columns: 1fr;
      }

      .popular-feature {
        min-height: 390px;
      }

      .channel-layout {
        grid-template-columns: 1fr;
        gap: 24px;
      }

      .channel-intro {
        position: static;
      }

      .rank-item {
        grid-template-columns: 36px minmax(0,1fr) 70px 58px;
      }

      .rank-tag {
        display: none;
      }

      .news-grid {
        grid-template-columns: 1fr;
      }

      .subscribe-band {
        grid-template-columns: 1fr;
        padding: 27px;
      }

      .footer-grid {
        grid-template-columns: repeat(2,minmax(0,1fr));
        gap: 28px 22px;
      }

      .footer-brand {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 520px) {
      body {
        padding-bottom: 78px;
      }

      .container {
        width: calc(100% - 28px);
      }

      .brand {
        gap: 8px;
        font-size: 13px;
      }

      .brand-mark {
        width: 33px;
        height: 33px;
        flex-basis: 33px;
        font-size: 16px;
      }

      .hero {
        min-height: 625px;
      }

      .hero::after {
        background:
          linear-gradient(90deg, rgba(10,12,18,.92), rgba(10,12,18,.66)),
          linear-gradient(0deg, rgba(10,12,18,.78), transparent 52%);
      }

      .hero-inner {
        padding: 58px 0 48px;
      }

      .hero h1 {
        margin-top: 14px;
        font-size: 38px;
      }

      .hero-lead {
        font-size: 14px;
      }

      .hero-form {
        flex-direction: column;
        gap: 9px;
      }

      .hero-form .btn {
        width: 100%;
      }

      .hero-actions .btn {
        flex: 1;
        padding-inline: 12px;
        font-size: 13px;
      }

      .hero-meta {
        display: grid;
        grid-template-columns: repeat(3,minmax(0,1fr));
        gap: 12px;
        margin-top: 28px;
      }

      .hero-meta strong {
        font-size: 17px;
      }

      .hero-meta span {
        font-size: 11px;
      }

      .section {
        padding: 54px 0;
      }

      .section-head h2 {
        font-size: 26px;
      }

      .latest-grid {
        gap: 10px;
      }

      .media-card {
        border-radius: 13px;
      }

      .card-image {
        height: 150px;
      }

      .card-body {
        padding: 13px;
      }

      .card-title {
        min-height: 44px;
        font-size: 13px;
      }

      .card-desc {
        font-size: 11px;
      }

      .card-foot {
        font-size: 10px;
      }

      .badge {
        top: 8px;
        left: 8px;
        padding: 3px 7px;
        font-size: 10px;
      }

      .popular-feature {
        min-height: 350px;
      }

      .popular-feature-copy {
        padding: 22px;
      }

      .popular-feature-copy h3 {
        font-size: 23px;
      }

      .popular-item {
        grid-template-columns: 31px minmax(0,1fr) auto;
        gap: 9px;
        padding-block: 15px;
      }

      .popular-item h3 {
        font-size: 13px;
      }

      .popular-item p {
        font-size: 11px;
      }

      .channel-intro {
        padding: 21px;
      }

      .channel-intro h2 {
        font-size: 27px;
      }

      .channel-item {
        grid-template-columns: 34px minmax(0,1fr) 16px;
        gap: 10px;
        padding: 17px 4px;
      }

      .channel-item h3 {
        font-size: 15px;
      }

      .channel-item p {
        font-size: 12px;
      }

      .rank-item {
        min-height: 60px;
        grid-template-columns: 28px minmax(0,1fr) 48px;
        gap: 8px;
        padding: 10px 11px;
      }

      .rank-title {
        font-size: 12px;
      }

      .rank-heat {
        display: none;
      }

      .rank-rating {
        font-size: 12px;
      }

      .news-card {
        grid-template-columns: 104px minmax(0,1fr);
        gap: 12px;
        padding: 10px;
      }

      .news-img {
        height: 82px;
      }

      .news-card h3 {
        font-size: 12px;
      }

      .subscribe-band {
        gap: 20px;
        padding: 22px;
      }

      .subscribe-band h2 {
        font-size: 21px;
      }

      .subscribe-actions .btn {
        flex: 1;
        padding-inline: 12px;
        font-size: 12px;
      }

      .footer-grid {
        gap: 24px 16px;
      }

      .footer-brand p {
        font-size: 12px;
      }

      .footer-col h3 {
        font-size: 13px;
      }

      .footer-col a {
        font-size: 12px;
      }

      .copyright {
        flex-direction: column;
        gap: 7px;
        font-size: 11px;
      }

      .sticky-cta {
        bottom: 9px;
        min-height: 55px;
      }

      .sticky-copy {
        font-size: 10px;
      }

      .sticky-copy strong {
        font-size: 12px;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
      }
    }