/* roulang page: index */
:root{
      --ink:#12233f;--muted:#687893;--blue:#246bfe;--blue-dark:#1647b8;
      --cyan:#1bb8c9;--paper:#f5f8fc;--line:#dfe8f3;--white:#fff;
      --radius:22px;--shadow:0 18px 50px rgba(22,55,100,.10);
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .site-header{height:76px;background:rgba(255,255,255,.92);border-bottom:1px solid rgba(223,232,243,.8);position:sticky;top:0;z-index:30;backdrop-filter:blur(16px)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:18px;letter-spacing:-.3px;white-space:nowrap}
    .brand-mark{width:38px;height:38px;border-radius:13px;background:linear-gradient(135deg,#246bfe,#19bdc6);display:grid;place-items:center;color:white;font-size:19px;box-shadow:0 8px 20px rgba(36,107,254,.25)}
    .nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
    .nav-links a{padding:9px 17px;border-radius:12px;color:var(--muted);font-weight:600}
    .nav-links a:hover,.nav-links a.active{color:var(--blue);background:#edf4ff}
    .nav-cta,.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--blue);color:#fff;padding:12px 20px;border-radius:13px;font-weight:700;box-shadow:0 10px 20px rgba(36,107,254,.2)}
    .nav-cta:hover,.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
    .hero{min-height:388px;display:flex;align-items:center;background-image:linear-gradient(90deg,rgba(245,248,252,.98) 10%,rgba(245,248,252,.88) 48%,rgba(245,248,252,.25)),url('/assets/images/f3678782be319cd8.png');background-size:cover;background-position:center;padding:48px 0}
    .hero-copy{max-width:700px}
    .eyebrow,.tag{display:inline-flex;align-items:center;border:1px solid #cfe0fa;background:#edf5ff;color:var(--blue);padding:5px 11px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.3px}
    h1{font-size:clamp(34px,5vw,58px);line-height:1.15;letter-spacing:-2px;margin:17px 0 16px}
    .hero-copy p{font-size:17px;line-height:1.9;color:#53647d;max-width:680px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:25px}
    .btn-secondary{display:inline-flex;align-items:center;justify-content:center;border:1px solid #cbd9eb;background:#fff;color:var(--ink);padding:11px 19px;border-radius:13px;font-weight:700}
    .btn-secondary:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
    main{overflow:hidden}
    .section{padding:72px 0}
    .section.alt{background:#fff;border-top:1px solid #edf1f7;border-bottom:1px solid #edf1f7}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:28px}
    .section-head h2{font-size:30px;line-height:1.3;letter-spacing:-1px}
    .section-head p{color:var(--muted);max-width:620px}
    .search-panel{margin-top:-31px;position:relative;z-index:2;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:18px;display:flex;gap:12px;align-items:center}
    .search-panel input{flex:1;border:0;outline:0;background:#f7f9fc;border-radius:12px;padding:13px 16px;color:var(--ink)}
    .search-panel input:focus{box-shadow:0 0 0 3px rgba(36,107,254,.13)}
    .search-button{border:0;cursor:pointer;padding:12px 20px;border-radius:12px;background:#12233f;color:#fff;font-weight:700}
    .search-button:hover{background:var(--blue)}
    .matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .matrix a{padding:20px;background:#f7faff;border:1px solid #e2ebf7;border-radius:17px}
    .matrix a:hover{background:#fff;border-color:#a8c6fa;box-shadow:var(--shadow);transform:translateY(-3px)}
    .matrix strong{display:block;font-size:17px;margin-bottom:5px}.matrix span{font-size:13px;color:var(--muted)}
    .feature-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
    .feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 10px 30px rgba(22,55,100,.06)}
    .feature-card img{width:100%;height:220px;object-fit:cover}
    .feature-content{padding:23px}.feature-content h3{font-size:22px;margin:8px 0}.feature-content p{color:var(--muted)}
    .mini-stack{display:grid;gap:14px}.mini-card{display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:18px;padding:15px}
    .mini-card img{width:105px;height:83px;border-radius:12px;object-fit:cover}.mini-card h3{font-size:16px;line-height:1.4}.mini-card p{font-size:13px;color:var(--muted);margin-top:3px}
    .update-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.update-card{padding:22px;background:#fff;border:1px solid var(--line);border-radius:18px}
    .update-card h3{font-size:18px;margin:12px 0 7px}.update-card p{color:var(--muted);font-size:14px}.date{font-size:12px;color:var(--blue);font-weight:800}
    .ranking{display:grid;grid-template-columns:1.1fr .9fr;gap:25px;align-items:stretch}.rank-board{background:#12233f;border-radius:24px;padding:28px;color:#fff}
    .rank-board h2{font-size:26px;margin-bottom:8px}.rank-board>p{color:#b9c8df;font-size:14px}.rank-row{display:flex;align-items:center;gap:15px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.12)}.rank-row:last-child{border:0}.rank-num{font-size:21px;color:#72dce1;font-weight:900;width:30px}.rank-row strong{display:block}.rank-row span{font-size:12px;color:#aebdd3}.score{margin-left:auto;color:#80e0e1;font-weight:800}
    .timeline{background:#f4f8ff;border-radius:var(--radius);padding:27px}.timeline-item{display:flex;gap:19px;padding:16px 0;border-bottom:1px solid #dce7f4}.timeline-item:last-child{border-bottom:0}.time{color:var(--blue);font-weight:800;min-width:65px}.timeline-item h3{font-size:16px}.timeline-item p{color:var(--muted);font-size:13px}
    .resource-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.resource{padding:20px;background:#fff;border:1px solid var(--line);border-radius:17px}.resource .icon{width:38px;height:38px;border-radius:12px;background:#e9f7f8;color:#0a9ba7;display:grid;place-items:center;font-weight:900;margin-bottom:13px}.resource h3{font-size:16px;margin-bottom:5px}.resource p{color:var(--muted);font-size:13px}
    .news-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px}.news-item{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}.news-item img{width:128px;height:88px;object-fit:cover;border-radius:13px}.news-item h3{font-size:16px;line-height:1.45}.news-item p{font-size:13px;color:var(--muted);margin-top:5px}
    .trust-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.trust{background:#fff;border:1px solid var(--line);border-radius:18px;padding:23px}.trust strong{display:block;font-size:20px;margin-bottom:5px}.trust span{color:var(--muted);font-size:14px}
    .closing{padding:55px 0;background:#eaf3ff}.closing-box{display:flex;align-items:center;justify-content:space-between;gap:30px}.closing h2{font-size:31px;line-height:1.35}.closing p{color:var(--muted);max-width:670px;margin-top:8px}
    footer{background:#101f38;color:#dce7f5;padding:43px 0 22px}.footer-top{display:flex;justify-content:space-between;gap:30px}.footer-brand{max-width:370px}.footer-brand .brand{color:#fff;margin-bottom:14px}.footer-brand p{color:#9fb0c8;font-size:14px}.footer-links{display:flex;gap:65px}.footer-links h3{font-size:14px;color:#fff;margin-bottom:12px}.footer-links a{display:block;color:#9fb0c8;font-size:13px;margin:7px 0}.footer-links a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:18px;color:#8fa2bd;font-size:12px}
    @media(max-width:900px){.matrix,.resource-grid{grid-template-columns:repeat(2,1fr)}.feature-grid,.ranking{grid-template-columns:1fr}.update-list{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:680px){.container{width:min(100% - 28px,1180px)}.site-header,.nav-wrap{height:68px}.nav-links{display:none}.nav-cta{padding:9px 13px;font-size:13px}.brand{font-size:14px}.brand-mark{width:33px;height:33px}.hero{min-height:440px;padding:38px 0;background-position:62% center}.hero-copy p{font-size:15px}.section{padding:49px 0}.section-head{display:block}.section-head h2{font-size:25px;margin-bottom:9px}.search-panel{display:block;margin-top:-22px}.search-button{width:100%;margin-top:10px}.matrix,.update-list,.resource-grid,.trust-strip,.news-layout{grid-template-columns:1fr}.mini-card img{width:88px;height:72px}.closing-box,.footer-top{display:block}.closing h2{font-size:26px}.closing .btn-primary{margin-top:20px}.footer-links{margin-top:28px;gap:35px;flex-wrap:wrap}.footer-links h3{margin-bottom:5px}}
    @media(max-width:420px){h1{font-size:34px}.hero-actions a{width:100%}.rank-board,.timeline{padding:20px}}

/* roulang page: category1 */
:root{
      --ink:#12233f;
      --muted:#687893;
      --blue:#246bfe;
      --blue-dark:#1647b8;
      --cyan:#1bb8c9;
      --paper:#f5f8fc;
      --line:#dfe8f3;
      --white:#fff;
      --radius:22px;
      --shadow:0 18px 50px rgba(22,55,100,.10);
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .site-header{height:76px;background:rgba(255,255,255,.94);border-bottom:1px solid rgba(223,232,243,.8);position:sticky;top:0;z-index:30;backdrop-filter:blur(16px)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:18px;letter-spacing:-.3px;white-space:nowrap}
    .brand-mark{width:38px;height:38px;border-radius:13px;background:linear-gradient(135deg,#246bfe,#19bdc6);display:grid;place-items:center;color:white;font-size:19px;box-shadow:0 8px 20px rgba(36,107,254,.25)}
    .nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
    .nav-links a{padding:9px 17px;border-radius:12px;color:var(--muted);font-weight:600}
    .nav-links a:hover,.nav-links a.active{color:var(--blue);background:#edf4ff}
    .nav-cta,.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--blue);color:#fff;padding:12px 20px;border-radius:13px;font-weight:700;box-shadow:0 10px 20px rgba(36,107,254,.2)}
    .nav-cta:hover,.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
    .btn-secondary{display:inline-flex;align-items:center;justify-content:center;border:1px solid #cbd9eb;background:#fff;color:var(--ink);padding:11px 19px;border-radius:13px;font-weight:700}
    .btn-secondary:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
    .hero{min-height:405px;display:flex;align-items:center;background-image:linear-gradient(90deg,rgba(245,248,252,.98) 10%,rgba(245,248,252,.88) 48%,rgba(245,248,252,.22)),url('/assets/images/50c595d90bf449f3.png');background-size:cover;background-position:center;padding:54px 0}
    .hero-copy{max-width:730px}
    .eyebrow,.tag{display:inline-flex;align-items:center;border:1px solid #cfe0fa;background:#edf5ff;color:var(--blue);padding:5px 11px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.3px}
    h1{font-size:clamp(36px,5vw,62px);line-height:1.15;letter-spacing:-2px;margin:17px 0}
    .hero-copy p{font-size:17px;line-height:1.9;color:#53647d;max-width:680px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:25px}
    main{overflow:hidden}
    .section{padding:72px 0}
    .section.alt{background:#fff;border-top:1px solid #edf1f7;border-bottom:1px solid #edf1f7}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:28px}
    .section-head h2{font-size:30px;line-height:1.3;letter-spacing:-1px}
    .section-head p{color:var(--muted);max-width:620px}
    .intro-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center}
    .intro-layout h2{font-size:34px;line-height:1.3;margin:15px 0}
    .intro-layout p{color:var(--muted);font-size:16px}
    .intro-image{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);position:relative}
    .intro-image img{width:100%;height:330px;object-fit:cover}
    .image-caption{position:absolute;left:18px;right:18px;bottom:16px;padding:12px 15px;border-radius:14px;background:rgba(18,35,63,.84);color:#fff;font-size:13px}
    .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .topic-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:23px;min-height:180px;box-shadow:0 10px 28px rgba(22,55,100,.05);transition:.25s ease}
    .topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#b9cff3}
    .topic-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:14px;background:#edf5ff;color:var(--blue);font-weight:800;font-size:17px}
    .topic-card h3{font-size:19px;margin:16px 0 7px}
    .topic-card p{color:var(--muted);font-size:14px}
    .feature-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
    .feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 10px 30px rgba(22,55,100,.06)}
    .feature-card img{width:100%;height:235px;object-fit:cover}
    .feature-content{padding:24px}
    .feature-content h3{font-size:23px;line-height:1.4;margin:9px 0}
    .feature-content p{color:var(--muted)}
    .mini-stack{display:grid;gap:15px}
    .mini-card{display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:18px;padding:15px;min-height:126px}
    .mini-card:hover{border-color:#aec8f3;box-shadow:var(--shadow);transform:translateX(3px)}
    .mini-card img{width:112px;height:92px;border-radius:12px;object-fit:cover}
    .mini-card h3{font-size:17px;line-height:1.4}
    .mini-card p{font-size:13px;color:var(--muted);margin-top:4px}
    .live-shell{display:grid;grid-template-columns:.85fr 1.15fr;gap:30px;background:#12233f;color:#fff;border-radius:26px;padding:31px;box-shadow:var(--shadow)}
    .live-shell h2{font-size:31px;line-height:1.3;margin:13px 0}
    .live-shell p{color:#b9c8dc}
    .live-stat{display:flex;gap:22px;margin-top:24px}
    .live-stat strong{display:block;font-size:28px;color:#fff}
    .live-stat span{font-size:12px;color:#9fb1ca}
    .match-list{display:grid;gap:12px}
    .match-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 18px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.11);border-radius:15px}
    .match-row:hover{background:rgba(255,255,255,.14)}
    .match-row strong{font-size:15px}
    .match-row span{font-size:12px;color:#b8c7da}
    .score{color:#79d9e2;font-weight:800;white-space:nowrap}
    .info-columns{display:grid;grid-template-columns:1fr 1fr;gap:24px}
    .info-panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:25px}
    .info-panel h3{font-size:21px;margin-bottom:14px}
    .check-list{list-style:none;display:grid;gap:13px}
    .check-list li{position:relative;padding-left:28px;color:var(--muted)}
    .check-list li:before{content:"✓";position:absolute;left:0;top:1px;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;background:#e5f8f7;color:#119aa1;font-weight:800;font-size:12px}
    .news-list{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:start}
    .news-feature{background:#fff;border-radius:22px;overflow:hidden;border:1px solid var(--line);box-shadow:0 10px 30px rgba(22,55,100,.06)}
    .news-feature img{width:100%;height:240px;object-fit:cover}
    .news-feature div{padding:23px}
    .news-feature h3{font-size:23px;line-height:1.4;margin:8px 0}
    .news-feature p,.news-item p{color:var(--muted);font-size:14px}
    .news-items{display:grid;gap:0}
    .news-item{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
    .news-item:first-child{padding-top:0}
    .news-item:last-child{border-bottom:0}
    .news-item img{width:118px;height:83px;object-fit:cover;border-radius:13px}
    .news-item h3{font-size:16px;line-height:1.45;margin-bottom:4px}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:17px 20px}
    details[open]{border-color:#aac6f2;box-shadow:0 8px 22px rgba(22,55,100,.06)}
    summary{cursor:pointer;font-weight:700;list-style:none;padding-right:24px;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:0;color:var(--blue);font-size:20px;top:-3px}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);font-size:14px;margin-top:10px}
    .cta-band{background:linear-gradient(105deg,#246bfe,#1a83c9);color:#fff;border-radius:25px;padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .cta-band h2{font-size:30px;line-height:1.3;margin-bottom:8px}
    .cta-band p{color:#dcecff}
    .cta-band .btn-secondary{border:0;color:var(--blue);background:#fff}
    footer{background:#101f38;color:#dce7f5;padding:43px 0 22px}
    .footer-top{display:flex;justify-content:space-between;gap:30px}
    .footer-brand{max-width:370px}
    .footer-brand .brand{color:#fff;margin-bottom:14px}
    .footer-brand p{color:#9fb0c8;font-size:14px}
    .footer-links{display:flex;gap:65px}
    .footer-links h3{font-size:14px;color:#fff;margin-bottom:12px}
    .footer-links a{display:block;color:#9fb0c8;font-size:13px;margin:7px 0}
    .footer-links a:hover{color:#fff}
    .copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:18px;color:#8fa2bd;font-size:12px}
    @media (max-width:1024px){
      .intro-layout,.feature-grid,.news-list{grid-template-columns:1fr}
      .topic-grid{grid-template-columns:repeat(2,1fr)}
      .live-shell{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,1180px)}
      .site-header,.nav-wrap{height:68px}
      .nav-links{display:none}
      .nav-cta{padding:9px 13px;font-size:13px}
      .brand{font-size:14px}
      .brand-mark{width:33px;height:33px}
      .hero{min-height:450px;padding:40px 0;background-position:63% center}
      h1{font-size:39px;letter-spacing:-1px}
      .hero-copy p{font-size:15px}
      .section{padding:50px 0}
      .section-head{display:block}
      .section-head h2{font-size:26px;margin-bottom:9px}
      .topic-grid,.info-columns,.faq-grid{grid-template-columns:1fr}
      .intro-layout h2{font-size:28px}
      .intro-image img{height:270px}
      .live-shell{padding:23px}
      .live-shell h2{font-size:27px}
      .cta-band{display:block;padding:28px 24px}
      .cta-band .btn-secondary{margin-top:20px}
      .footer-top{display:block}
      .footer-links{margin-top:28px;gap:45px}
    }
    @media (max-width:520px){
      .hero-actions{display:grid}
      .hero-actions a{width:100%}
      .mini-card img{width:88px;height:76px}
      .mini-card{padding:12px}
      .match-row{align-items:flex-start;flex-direction:column;gap:5px}
      .score{align-self:flex-end;margin-top:-26px}
      .news-item img{width:94px;height:70px}
      .news-item h3{font-size:14px}
      .footer-links{gap:25px}
    }