/* roulang page: index */
:root{
      --blue:#3159c8;
      --blue-deep:#183b91;
      --cyan:#4aa7d7;
      --ink:#17233d;
      --muted:#69738b;
      --paper:#f5f8fd;
      --white:#fff;
      --line:#e4eaf3;
      --gold:#d59a3a;
      --shadow:0 18px 45px rgba(34,63,125,.10);
      --soft-shadow:0 8px 24px rgba(34,63,125,.08);
      --radius:18px;
      --container:1180px;
    }
    *,*:before,*:after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;object-fit:cover}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .topbar{height:78px;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(16px)}
    .nav-wrap{height:100%;display:flex;align-items:center;gap:34px}
    .brand{display:flex;align-items:center;gap:11px;min-width:max-content;font-weight:800;color:var(--blue-deep)}
    .brand-mark{width:35px;height:35px;border-radius:10px;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:17px;box-shadow:0 7px 16px rgba(49,89,200,.25)}
    .brand-name{font-size:16px;letter-spacing:0}
    .nav{display:flex;align-items:center;gap:7px;margin-left:auto}
    .nav a{padding:9px 13px;border-radius:9px;color:var(--muted);font-weight:600;transition:.2s}
    .nav a:hover,.nav a.active{color:var(--blue);background:#edf3ff}
    .nav-cta{background:var(--blue)!important;color:#fff!important;padding:10px 17px!important;box-shadow:0 7px 17px rgba(49,89,200,.2)}
    .nav-cta:hover{background:var(--blue-deep)!important}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:9px;width:40px;height:38px;color:var(--blue)}
    .hero{padding:58px 0 48px;background:linear-gradient(110deg,#eef4ff 0%,#fff 54%,#edf8fc 100%);border-bottom:1px solid var(--line)}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center}
    .eyebrow,.section-kicker{font-size:12px;font-weight:800;letter-spacing:1.5px;color:var(--blue);text-transform:uppercase}
    h1{font-size:clamp(34px,4.4vw,58px);line-height:1.16;margin:14px 0 18px;letter-spacing:0;font-weight:850}
    h1 span{color:var(--blue)}
    .hero-copy{max-width:650px;color:#52617c;font-size:16px;margin:0 0 26px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:10px;border:1px solid transparent;font-weight:700;transition:.2s}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(49,89,200,.2)}
    .btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px)}
    .btn-light{background:#fff;border-color:var(--line);color:var(--ink)}
    .btn-light:hover{border-color:var(--blue);color:var(--blue)}
    .hero-visual{position:relative;min-height:305px;border-radius:22px;overflow:hidden;box-shadow:var(--shadow)}
    .hero-visual img{height:305px}
    .hero-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(12,28,70,.7),transparent 65%)}
    .creator-card{position:absolute;z-index:1;left:22px;right:22px;bottom:20px;display:flex;align-items:end;justify-content:space-between;color:#fff}
    .creator-card h2{font-size:24px;margin:3px 0 5px}
    .creator-card p{margin:0;color:#dfe8ff;font-size:13px}
    .verified{display:inline-block;background:#fff;color:var(--blue);font-size:11px;padding:3px 8px;border-radius:20px;font-weight:800}
    .hero-stats{display:flex;gap:10px;margin-top:18px}
    .hero-stat{background:rgba(255,255,255,.85);border:1px solid rgba(255,255,255,.8);padding:8px 14px;border-radius:10px;text-align:center}
    .hero-stat strong{display:block;color:var(--blue-deep);font-size:17px;line-height:1.2}
    .hero-stat small{color:var(--muted);font-size:11px}
    main{overflow:hidden}
    section{padding:76px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}
    .section-head h2{font-size:30px;line-height:1.25;margin:7px 0 0}
    .section-head p{max-width:580px;color:var(--muted);margin:0}
    .text-link{color:var(--blue);font-weight:700;white-space:nowrap}
    .text-link:hover{text-decoration:underline}
    .feature-band{background:#fff}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .feature{padding:25px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--soft-shadow);transition:.2s}
    .feature:hover,.content-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .feature-icon{width:42px;height:42px;border-radius:12px;background:#eaf1ff;color:var(--blue);display:grid;place-items:center;font-weight:900;font-size:19px}
    .feature h3{margin:17px 0 8px;font-size:18px}
    .feature p{margin:0;color:var(--muted);font-size:14px}
    .matrix{background:#f0f5fc}
    .matrix-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .matrix-item{padding:21px;background:#fff;border-left:4px solid var(--cyan);border-radius:12px;box-shadow:var(--soft-shadow)}
    .matrix-item h3{margin:0 0 7px;font-size:17px}
    .matrix-item p{margin:0;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:25px 22px 10px;border-right:1px solid var(--line);position:relative}
    .step:last-child{border:0}
    .step-no{color:var(--blue);font-size:13px;font-weight:800}
    .step h3{margin:8px 0;font-size:18px}
    .step p{color:var(--muted);font-size:14px;margin:0}
    .showcase{background:#fff}
    .showcase-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;align-items:stretch}
    .showcase-image{border-radius:18px;overflow:hidden;min-height:320px}
    .showcase-image img{height:100%}
    .showcase-copy{padding:16px 0}
    .showcase-copy h3{font-size:27px;margin:8px 0 14px}
    .showcase-copy p{color:var(--muted);margin:0 0 19px}
    .check-list{list-style:none;padding:0;margin:0;display:grid;gap:11px}
    .check-list li{display:flex;gap:10px;align-items:flex-start}
    .check-list b{color:var(--blue);font-size:18px;line-height:1.5}
    .content-section{background:var(--paper)}
    .card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .content-card{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden;box-shadow:var(--soft-shadow);transition:.2s}
    .card-img{height:185px;position:relative}
    .card-img img{height:100%}
    .badge{position:absolute;top:12px;left:12px;padding:4px 8px;border-radius:6px;background:var(--blue);color:#fff;font-size:11px;font-weight:800}
    .card-body{padding:15px}
    .card-body h3{font-size:16px;margin:0 0 7px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .meta{display:flex;justify-content:space-between;color:var(--muted);font-size:12px}
    .rating{color:var(--gold);font-weight:800}
    .dark-section{background:#17294f;color:#fff}
    .dark-section .section-kicker{color:#91cfee}
    .dark-section .section-head p{color:#bcc9e2}
    .ranking{display:grid;grid-template-columns:1fr 1fr;gap:0 34px}
    .rank-item{display:grid;grid-template-columns:38px 1fr auto auto;gap:12px;align-items:center;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.13)}
    .rank-number{font-size:22px;font-weight:850;color:#91cfee}
    .rank-item strong{font-size:15px}
    .rank-item small{color:#aebbd5}
    .rank-score{color:#ffd27a;font-weight:800}
    .rank-tag{font-size:11px;color:#17294f;background:#c6e8f5;padding:3px 7px;border-radius:5px}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .quote{background:#fff;padding:24px;border:1px solid var(--line);border-radius:15px;box-shadow:var(--soft-shadow)}
    .quote p{margin:0 0 15px;color:#4e5d77}
    .quote footer{color:var(--blue);font-weight:800;font-size:13px}
    .insight-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
    .news-list{display:grid;gap:12px}
    .news{display:grid;grid-template-columns:110px 1fr auto;gap:15px;align-items:center;background:#fff;border:1px solid var(--line);padding:10px;border-radius:12px}
    .news img{height:67px;border-radius:8px}
    .news h3{font-size:15px;margin:0 0 4px}
    .news p,.news time{font-size:12px;color:var(--muted);margin:0}
    .trust-panel{background:#e9f4fb;border-radius:18px;padding:28px}
    .trust-panel h3{margin:0 0 12px;font-size:22px}
    .trust-panel p{color:var(--muted);margin:0 0 18px}
    .trust-points{display:grid;gap:10px}
    .trust-points div{background:#fff;border-radius:9px;padding:10px 12px;font-size:13px}
    .faq{background:#fff}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
    details{border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:#fff}
    summary{cursor:pointer;font-weight:800;list-style:none}
    summary::-webkit-details-marker{display:none}
    details p{color:var(--muted);font-size:14px;margin:10px 0 0}
    .closing{padding:66px 0;background:linear-gradient(110deg,#2854be,#4b8ec7);color:#fff;text-align:center}
    .closing h2{font-size:32px;margin:0 0 10px}
    .closing p{max-width:660px;margin:0 auto 22px;color:#e4efff}
    .closing .btn-light{border:0;color:var(--blue)}
    footer{background:#10203e;color:#b9c7e1;padding:48px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:35px}
    footer h3,footer h4{color:#fff;margin:0 0 12px}
    footer h3{font-size:18px}
    footer p{font-size:13px;margin:0;color:#9dadc8}
    footer a{display:block;font-size:13px;margin:7px 0;color:#b9c7e1}
    footer a:hover{color:#fff}
    .copyright{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;font-size:12px;color:#8394b3}
    :focus-visible{outline:3px solid rgba(74,167,215,.55);outline-offset:3px}
    @media(max-width:1024px){
      .nav-wrap{gap:17px}.nav a{padding:8px 8px}.hero-grid{gap:30px}.card-grid{grid-template-columns:repeat(3,1fr)}.matrix-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .topbar{height:68px}.menu-toggle{display:block;margin-left:auto}.nav{display:none;position:absolute;top:68px;left:0;right:0;padding:12px 20px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--soft-shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:11px 13px}.hero{padding:42px 0}.hero-grid,.showcase-grid,.insight-grid{grid-template-columns:1fr}.hero-visual{min-height:260px}.hero-visual img{height:260px}section{padding:56px 0}.feature-grid,.quote-grid{grid-template-columns:1fr 1fr}.card-grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}.ranking{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      .container{width:min(var(--container),calc(100% - 28px))}.brand-name{font-size:14px}.brand-mark{width:32px;height:32px}.hero-copy{font-size:15px}h1{font-size:34px}.section-head{display:block}.section-head p{margin-top:10px}.feature-grid,.quote-grid,.matrix-grid,.card-grid,.faq-grid{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.step,.step:nth-child(2){border-right:0;border-bottom:1px solid var(--line)!important}.step:last-child{border-bottom:0!important}.ranking{gap:0}.rank-item{grid-template-columns:30px 1fr auto}.rank-tag{display:none}.news{grid-template-columns:82px 1fr}.news time{display:none}.footer-grid{grid-template-columns:1fr 1fr;gap:24px}.closing h2{font-size:27px}
    }

/* roulang page: category1 */
:root{
            --blue:#3159c8;
            --blue-deep:#183b91;
            --cyan:#4aa7d7;
            --ink:#17233d;
            --muted:#69738b;
            --paper:#f5f8fd;
            --white:#fff;
            --line:#e4eaf3;
            --gold:#d59a3a;
            --shadow:0 18px 45px rgba(34,63,125,.10);
            --soft-shadow:0 8px 24px rgba(34,63,125,.08);
            --radius:18px;
            --container:1180px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7}
        a{color:inherit;text-decoration:none}
        img{display:block;width:100%;object-fit:cover}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
        .topbar{height:78px;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(16px)}
        .nav-wrap{height:100%;display:flex;align-items:center;gap:34px}
        .brand{display:flex;align-items:center;gap:11px;min-width:max-content;font-weight:800;color:var(--blue-deep)}
        .brand-mark{width:35px;height:35px;border-radius:10px;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:17px;box-shadow:0 7px 16px rgba(49,89,200,.25)}
        .brand-name{font-size:16px;letter-spacing:0}
        .nav{display:flex;align-items:center;gap:7px;margin-left:auto}
        .nav a{padding:9px 13px;border-radius:9px;color:var(--muted);font-weight:600;transition:.2s}
        .nav a:hover,.nav a.active{color:var(--blue);background:#edf3ff}
        .nav-cta{background:var(--blue)!important;color:#fff!important;padding:10px 17px!important;box-shadow:0 7px 17px rgba(49,89,200,.2)}
        .nav-cta:hover{background:var(--blue-deep)!important}
        .menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:9px;width:40px;height:38px;color:var(--blue)}
        .hero{padding:58px 0 48px;background:linear-gradient(110deg,#eef4ff 0%,#fff 54%,#edf8fc 100%);border-bottom:1px solid var(--line)}
        .hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:58px;align-items:center}
        .eyebrow,.section-kicker{font-size:12px;font-weight:800;letter-spacing:1.5px;color:var(--blue);text-transform:uppercase}
        h1{font-size:clamp(36px,5vw,58px);line-height:1.15;letter-spacing:0;margin:12px 0 18px}
        h1 em{font-style:normal;color:var(--blue)}
        .hero-subtitle{font-size:20px;font-weight:700;margin:0 0 12px;color:var(--blue-deep)}
        .hero-copy{max-width:650px;color:#52617c;font-size:16px;margin:0 0 26px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:10px;border:1px solid transparent;font-weight:700;transition:.2s}
        .btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(49,89,200,.2)}
        .btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px)}
        .btn-light{background:#fff;border-color:var(--line);color:var(--ink)}
        .btn-light:hover{border-color:var(--blue);color:var(--blue)}
        .hero-visual{position:relative;min-height:305px;border-radius:22px;overflow:hidden;box-shadow:var(--shadow)}
        .hero-visual img{height:305px}
        .hero-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(12,28,70,.7),transparent 65%)}
        .creator-card{position:absolute;z-index:1;left:22px;right:22px;bottom:20px;display:flex;align-items:end;justify-content:space-between;color:#fff}
        .creator-card h2{font-size:24px;margin:3px 0 5px}
        .creator-card p{margin:0;color:#dfe8ff;font-size:13px}
        .hero-stats{display:flex;gap:10px;margin-top:18px}
        .hero-stat{background:rgba(255,255,255,.85);border:1px solid rgba(255,255,255,.8);padding:8px 14px;border-radius:10px;text-align:center}
        .hero-stat strong{display:block;color:var(--blue-deep);font-size:17px;line-height:1.2}
        .hero-stat small{color:var(--muted);font-size:11px}
        main{overflow:hidden}
        section{padding:76px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}
        .section-head h2{font-size:30px;line-height:1.25;margin:7px 0 0}
        .section-head p{max-width:580px;color:var(--muted);margin:0}
        .text-link{color:var(--blue);font-weight:700;white-space:nowrap}
        .text-link:hover{text-decoration:underline}
        .feature-band{background:#fff}
        .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .feature{padding:25px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--soft-shadow);transition:.2s}
        .feature:hover,.content-card:hover,.topic-item:hover,.news:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
        .feature-icon{width:42px;height:42px;border-radius:12px;background:#eaf1ff;color:var(--blue);display:grid;place-items:center;font-weight:900;font-size:19px}
        .feature h3{margin:17px 0 8px;font-size:18px}
        .feature p{margin:0;color:var(--muted);font-size:14px}
        .content-section{background:var(--paper)}
        .card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
        .content-card{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden;box-shadow:var(--soft-shadow);transition:.2s}
        .card-img{height:185px;position:relative}
        .card-img img{height:100%}
        .badge{position:absolute;top:12px;left:12px;padding:4px 8px;border-radius:6px;background:var(--blue);color:#fff;font-size:11px;font-weight:800}
        .badge.gold{background:var(--gold)}
        .card-body{padding:15px}
        .card-body h3{font-size:16px;margin:0 0 7px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
        .meta{display:flex;justify-content:space-between;color:var(--muted);font-size:12px}
        .score{color:var(--gold);font-weight:800}
        .split-section{background:#fff}
        .split-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:stretch}
        .editorial-image{min-height:340px;border-radius:18px;overflow:hidden;box-shadow:var(--soft-shadow)}
        .editorial-image img{height:100%}
        .editorial-copy{padding:12px 0}
        .editorial-copy h2{font-size:30px;line-height:1.3;margin:8px 0 16px}
        .editorial-copy p{color:var(--muted);margin:0 0 20px}
        .check-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
        .check-list li{display:flex;gap:10px;align-items:flex-start}
        .check-list b{color:var(--blue);font-size:18px;line-height:1.5}
        .topic-band{background:#eef4ff}
        .topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
        .topic-item{padding:22px;background:#fff;border-left:4px solid var(--cyan);border-radius:12px;box-shadow:var(--soft-shadow);transition:.2s}
        .topic-item h3{margin:0 0 7px;font-size:17px}
        .topic-item p{margin:0;color:var(--muted);font-size:13px}
        .dark-section{background:#17294f;color:#fff}
        .dark-section .section-kicker{color:#91cfee}
        .dark-section .section-head p{color:#bcc9e2}
        .ranking-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:40px}
        .rank-list{margin:0;padding:0;list-style:none}
        .rank-item{display:grid;grid-template-columns:38px 1fr auto auto;gap:12px;align-items:center;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.13)}
        .rank-item strong{font-size:15px}
        .rank-item small{color:#aebbd5}
        .rank-number{color:#91cfee;font-size:20px;font-weight:800}
        .rank-tag{font-size:11px;color:#17294f;background:#c6e8f5;padding:3px 7px;border-radius:5px}
        .ranking-note{padding:27px;border:1px solid rgba(255,255,255,.14);border-radius:16px;background:rgba(255,255,255,.06);align-self:center}
        .ranking-note h3{margin:0 0 10px;font-size:21px}
        .ranking-note p{margin:0;color:#c3cee2}
        .news-section{background:#fff}
        .news-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
        .news-list{display:grid;gap:12px}
        .news{display:grid;grid-template-columns:110px 1fr;gap:15px;padding:10px;border:1px solid var(--line);border-radius:13px;background:#fff;box-shadow:var(--soft-shadow);transition:.2s}
        .news img{height:76px;border-radius:9px}
        .news h3{font-size:15px;line-height:1.45;margin:5px 0}
        .news time{font-size:12px;color:var(--muted)}
        .insight-box{border-radius:18px;padding:30px;background:#edf8fc;border:1px solid #d7edf5}
        .insight-box h3{font-size:22px;margin:0 0 13px;color:var(--blue-deep)}
        .insight-box p{color:var(--muted);margin:0 0 22px}
        .metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
        .metric{padding:14px 10px;background:#fff;border-radius:10px;text-align:center}
        .metric strong{display:block;font-size:23px;color:var(--blue)}
        .metric span{font-size:12px;color:var(--muted)}
        .faq-section{background:var(--paper)}
        .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
        details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:17px 19px;box-shadow:var(--soft-shadow)}
        summary{cursor:pointer;font-weight:800;color:var(--ink)}
        details p{color:var(--muted);font-size:14px;margin:12px 0 0}
        .cta-band{padding:40px 0;background:#eaf1ff}
        .cta-box{display:flex;justify-content:space-between;align-items:center;gap:24px}
        .cta-box h2{font-size:27px;margin:0 0 6px}
        .cta-box p{margin:0;color:var(--muted)}
        footer{background:#fff;border-top:1px solid var(--line);padding:48px 0 20px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px}
        footer h3{margin:0 0 10px;color:var(--blue-deep);font-size:18px}
        footer h4{margin:0 0 12px;font-size:14px}
        footer p{color:var(--muted);font-size:13px;max-width:290px;margin:0}
        footer a{display:block;color:var(--muted);font-size:13px;margin:7px 0;transition:.2s}
        footer a:hover{color:var(--blue)}
        .copyright{border-top:1px solid var(--line);margin-top:32px;padding-top:17px;color:var(--muted);font-size:12px}
        a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid rgba(74,167,215,.45);outline-offset:3px}
        @media (max-width:1024px){
            .nav-wrap{gap:16px}.nav a{padding:8px 8px;font-size:13px}
            .hero-grid{gap:30px}.card-grid{grid-template-columns:repeat(3,1fr)}
            .topic-grid{grid-template-columns:repeat(2,1fr)}
        }
        @media (max-width:768px){
            .topbar{height:68px}.container{width:min(var(--container),calc(100% - 30px))}
            .menu-toggle{display:block;margin-left:auto}
            .nav{display:none;position:absolute;top:68px;left:0;right:0;padding:12px 15px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--soft-shadow);flex-wrap:wrap}
            .nav.open{display:flex}.nav a{flex:1 1 auto;text-align:center}
            .hero{padding:42px 0 35px}.hero-grid,.split-grid,.ranking-layout,.news-grid{grid-template-columns:1fr}
            .hero-visual{min-height:260px}.hero-visual img{height:260px}
            section{padding:56px 0}.feature-grid{grid-template-columns:1fr}
            .card-grid{grid-template-columns:repeat(2,1fr)}
            .section-head{align-items:flex-start;flex-direction:column}.section-head h2{font-size:26px}
            .editorial-image{min-height:260px}.cta-box{align-items:flex-start;flex-direction:column}
            .footer-grid{grid-template-columns:repeat(2,1fr)}
        }
        @media (max-width:520px){
            h1{font-size:36px}.hero-subtitle{font-size:17px}.hero-copy{font-size:14px}
            .hero-stats{display:grid;grid-template-columns:repeat(3,1fr)}
            .hero-stat{padding:8px 5px}.hero-stat strong{font-size:15px}
            .card-grid,.topic-grid,.faq-grid{grid-template-columns:1fr}
            .card-img{height:205px}.rank-item{grid-template-columns:31px 1fr auto}.rank-tag{display:none}
            .news{grid-template-columns:90px 1fr}.news img{height:70px}
            .footer-grid{grid-template-columns:1fr}.copyright{line-height:1.6}
        }

/* roulang page: category2 */
:root{
 --blue:#3159c8;
 --blue-deep:#183b91;
 --cyan:#4aa7d7;
 --ink:#17233d;
 --muted:#69738b;
 --paper:#f5f8fd;
 --white:#fff;
 --line:#e4eaf3;
 --gold:#d59a3a;
 --shadow:0 18px 45px rgba(34,63,125,.10);
 --soft-shadow:0 8px 24px rgba(34,63,125,.08);
 --radius:18px;
 --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;object-fit:cover}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
.topbar{height:78px;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(16px)}
.nav-wrap{height:100%;display:flex;align-items:center;gap:34px}
.brand{display:flex;align-items:center;gap:11px;min-width:max-content;font-weight:800;color:var(--blue-deep)}
.brand-mark{width:35px;height:35px;border-radius:10px;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:17px;box-shadow:0 7px 16px rgba(49,89,200,.25)}
.brand-name{font-size:16px;letter-spacing:0}
.nav{display:flex;align-items:center;gap:7px;margin-left:auto}
.nav a{padding:9px 13px;border-radius:9px;color:var(--muted);font-weight:600;transition:.2s}
.nav a:hover,.nav a.active{color:var(--blue);background:#edf3ff}
.nav-cta{background:var(--blue)!important;color:#fff!important;padding:10px 17px!important;box-shadow:0 7px 17px rgba(49,89,200,.2)}
.nav-cta:hover{background:var(--blue-deep)!important}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:9px;width:40px;height:38px;color:var(--blue)}
.hero{padding:62px 0 54px;background:linear-gradient(110deg,#eef4ff 0%,#fff 54%,#edf8fc 100%);border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center}
.eyebrow,.section-kicker{font-size:12px;font-weight:800;letter-spacing:1.5px;color:var(--blue);text-transform:uppercase}
.hero h1{font-size:clamp(35px,5vw,58px);line-height:1.15;margin:12px 0 18px;letter-spacing:0}
.hero h1 span{color:var(--blue)}
.hero-copy{max-width:650px;color:#52617c;font-size:16px;margin:0 0 26px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:10px;border:1px solid transparent;font-weight:700;transition:.2s}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(49,89,200,.2)}
.btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px)}
.btn-light{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-light:hover{border-color:var(--blue);color:var(--blue)}
.hero-panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:25px;box-shadow:var(--shadow)}
.panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.panel-top strong{font-size:18px}
.live-dot{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:12px}
.live-dot i{width:8px;height:8px;border-radius:50%;background:#44b98b;box-shadow:0 0 0 5px #e5f7ee}
.quick-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.quick-item{min-height:106px;padding:17px;border-radius:14px;background:#f7f9fd;border:1px solid var(--line);transition:.2s}
.quick-item:hover{background:#edf3ff;border-color:#cbd8f7;transform:translateY(-3px)}
.quick-item b{display:block;font-size:18px;color:var(--blue-deep);margin-bottom:4px}
.quick-item span{font-size:13px;color:var(--muted)}
.hero-note{margin:18px 0 0;color:var(--muted);font-size:13px}
main{overflow:hidden}
section{padding:76px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}
.section-head h2{font-size:30px;line-height:1.25;margin:7px 0 0}
.section-head p{max-width:580px;color:var(--muted);margin:0}
.text-link{color:var(--blue);font-weight:700;white-space:nowrap}
.text-link:hover{text-decoration:underline}
.feature-band{background:#fff}
.channel-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.channel{padding:22px;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:var(--soft-shadow);transition:.2s}
.channel:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.channel em{display:inline-block;color:var(--blue);font-style:normal;font-size:12px;font-weight:800;margin-bottom:12px}
.channel h3{font-size:18px;margin:0 0 7px}
.channel p{font-size:13px;color:var(--muted);margin:0}
.filter-row{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:23px}
.filter-list{display:flex;gap:8px;flex-wrap:wrap}
.filter-list button{border:1px solid var(--line);background:#fff;color:var(--muted);border-radius:8px;padding:8px 14px;transition:.2s}
.filter-list button:hover,.filter-list button.active{background:var(--blue);color:#fff;border-color:var(--blue)}
.search-box{display:flex;align-items:center;background:#fff;border:1px solid var(--line);border-radius:9px;padding:0 12px;color:var(--muted)}
.search-box input{width:145px;border:0;outline:0;padding:9px;background:transparent;color:var(--ink)}
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.content-card{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden;box-shadow:var(--soft-shadow);transition:.2s}
.content-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card-img{height:185px;position:relative}
.card-img img{height:100%}
.card-img:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(15,30,70,.42),transparent 46%);pointer-events:none}
.badge{position:absolute;top:12px;left:12px;z-index:1;padding:4px 8px;border-radius:6px;background:var(--blue);color:#fff;font-size:11px;font-weight:800}
.badge.gold{background:var(--gold)}
.card-body{padding:15px}
.card-body h3{font-size:16px;margin:0 0 7px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card-body p{font-size:13px;color:var(--muted);margin:0 0 12px}
.meta{display:flex;justify-content:space-between;color:var(--muted);font-size:12px}
.rating{color:var(--gold);font-weight:800}
.split-section{background:#fff}
.split-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;align-items:stretch}
.split-image{min-height:345px;border-radius:18px;overflow:hidden;box-shadow:var(--soft-shadow)}
.split-image img{height:100%}
.split-copy{padding:10px 0}
.split-copy h2{font-size:31px;line-height:1.3;margin:9px 0 15px}
.split-copy p{color:var(--muted);margin:0 0 20px}
.check-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.check-list li{display:flex;gap:10px;align-items:flex-start}
.check-list b{color:var(--blue);font-size:18px;line-height:1.5}
.dark-section{background:#17294f;color:#fff}
.dark-section .section-kicker{color:#91cfee}
.dark-section .section-head p{color:#bcc9e2}
.rank-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:34px}
.rank-list{border-top:1px solid rgba(255,255,255,.13)}
.rank-item{display:grid;grid-template-columns:38px 1fr auto auto;gap:12px;align-items:center;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.13)}
.rank-item strong{font-size:15px}
.rank-item small{color:#aebbd5}
.rank-num{color:#8fcde9;font-weight:900;font-size:18px}
.rank-tag{font-size:11px;color:#17294f;background:#c6e8f5;padding:3px 7px;border-radius:5px}
.rank-score{color:#f1c56e;font-weight:800}
.rank-side{padding:24px;border:1px solid rgba(255,255,255,.14);border-radius:16px;background:rgba(255,255,255,.06)}
.rank-side h3{margin:0 0 12px;font-size:21px}
.rank-side p{color:#bdc9df;margin:0 0 20px}
.stat-row{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.stat{padding:14px;border-radius:10px;background:rgba(255,255,255,.08)}
.stat strong{display:block;font-size:23px;color:#fff}
.stat span{color:#b9c8e5;font-size:12px}
.news-section{background:#fff}
.news-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:22px}
.news-feature{position:relative;min-height:300px;overflow:hidden;border-radius:16px}
.news-feature img{height:100%}
.news-feature:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(13,28,66,.82),transparent 64%)}
.news-caption{position:absolute;z-index:1;left:24px;right:24px;bottom:20px;color:#fff}
.news-caption h3{font-size:23px;margin:6px 0}
.news-caption p{margin:0;color:#dce7ff;font-size:13px}
.news-list{display:grid;gap:12px}
.news{display:grid;grid-template-columns:112px 1fr;gap:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.news img{height:76px;border-radius:9px}
.news h3{font-size:15px;line-height:1.45;margin:0 0 4px}
.news time{color:var(--muted);font-size:12px}
.faq-section{background:var(--paper)}
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.faq{background:#fff;border:1px solid var(--line);border-radius:13px;padding:20px 22px;box-shadow:var(--soft-shadow)}
.faq h3{font-size:16px;margin:0 0 8px;color:var(--blue-deep)}
.faq p{font-size:14px;color:var(--muted);margin:0}
.cta-band{padding:42px 0;background:#eaf2ff}
.cta-wrap{display:flex;justify-content:space-between;align-items:center;gap:25px}
.cta-wrap h2{font-size:27px;margin:0 0 6px}
.cta-wrap p{color:var(--muted);margin:0}
footer{background:#fff;border-top:1px solid var(--line);padding:48px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:30px}
.footer-grid h3{margin:0 0 10px;color:var(--blue-deep);font-size:18px}
.footer-grid h4{margin:0 0 12px;font-size:14px}
.footer-grid p{color:var(--muted);font-size:13px;max-width:280px;margin:0}
.footer-grid a{display:block;color:var(--muted);font-size:13px;margin:7px 0;transition:.2s}
.footer-grid a:hover{color:var(--blue)}
.copyright{border-top:1px solid var(--line);margin-top:30px;padding-top:18px;color:var(--muted);font-size:12px}
:focus-visible{outline:3px solid rgba(74,167,215,.45);outline-offset:3px}
@media(max-width:1024px){
 .nav-wrap{gap:18px}.nav a{padding:8px 9px;font-size:13px}
 .card-grid{grid-template-columns:repeat(3,1fr)}
 .channel-strip{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
 .topbar{height:70px}.menu-toggle{display:block;margin-left:auto}
 .nav{display:none;position:absolute;top:70px;left:20px;right:20px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 .nav.open{display:flex}.nav a{padding:11px 13px}
 .hero{padding:43px 0}.hero-grid,.split-grid,.rank-layout,.news-grid{grid-template-columns:1fr;gap:28px}
 .hero h1{font-size:42px}.hero-visual{min-height:0}
 section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:10px}
 .card-grid{grid-template-columns:repeat(2,1fr)}
 .rank-side{order:-1}
 .cta-wrap{display:block}.cta-wrap .btn{margin-top:18px}
 .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:520px){
 .container{width:min(var(--container),calc(100% - 28px))}
 .brand-name{font-size:14px}.hero h1{font-size:35px}
 .hero-copy{font-size:15px}.hero-actions .btn{width:100%}
 .quick-grid,.channel-strip,.card-grid,.faq-grid{grid-template-columns:1fr}
 .filter-row{display:block}.search-box{margin-top:12px}.search-box input{width:100%}
 .card-img{height:220px}.section-head h2{font-size:25px}
 .rank-item{grid-template-columns:28px 1fr auto}.rank-tag{display:none}
 .footer-grid{grid-template-columns:1fr;gap:22px}
}