/* roulang page: index */
:root{
      --ink:#10243f;
      --muted:#61738b;
      --blue:#1464d2;
      --blue-dark:#0c3f93;
      --cyan:#18b8c8;
      --pale:#f4f8fc;
      --line:#dbe7f4;
      --white:#fff;
      --radius:22px;
      --shadow:0 18px 55px rgba(20,72,130,.12);
      --shadow-sm:0 8px 25px rgba(20,72,130,.08);
      --max:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#fff;color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .section{padding:92px 0}
    .section-head{max-width:720px;margin-bottom:42px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--cyan);border-radius:10px}
    h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.035em}
    h1{font-size:clamp(42px,6vw,76px);line-height:1.12}
    h2{font-size:clamp(30px,4vw,48px);line-height:1.2}
    h3{font-size:22px;line-height:1.35}
    p{margin:0;color:var(--muted)}
    .section-head p{margin-top:16px;font-size:16px}
    .dock-wrap{position:fixed;z-index:50;top:18px;left:0;right:0;padding:0 20px}
    .dock{max-width:1180px;margin:auto;padding:10px 14px 10px 20px;background:rgba(255,255,255,.91);border:1px solid rgba(219,231,244,.9);box-shadow:0 12px 38px rgba(23,70,120,.13);backdrop-filter:blur(18px);border-radius:22px;display:flex;align-items:center;gap:22px}
    .brand{display:flex;align-items:center;gap:10px;white-space:nowrap;font-size:21px;font-weight:900;color:var(--ink)}
    .brand-mark{width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--cyan));display:grid;place-items:center;color:#fff;font-weight:900;font-size:15px;box-shadow:0 7px 16px rgba(20,100,210,.28)}
    .nav-links{display:flex;align-items:center;gap:3px;flex:1;overflow:auto;scrollbar-width:none}
    .nav-links::-webkit-scrollbar{display:none}
    .nav-links a{font-size:13px;color:#61738b;padding:10px 11px;border-radius:12px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:#edf5ff;color:var(--blue);font-weight:700}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:13px;background:var(--blue);color:#fff;padding:13px 20px;font-size:14px;font-weight:800;box-shadow:0 9px 20px rgba(20,100,210,.2)}
    .nav-cta:hover,.btn:hover{background:var(--blue-dark);transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--blue);border:1px solid #cfe0f5;box-shadow:none}
    .btn-light:hover{background:#edf5ff;color:var(--blue-dark)}
    .hero{padding:158px 0 78px;background:linear-gradient(180deg,#f4f9ff 0%,#fff 88%);overflow:hidden}
    .hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:64px;align-items:center}
    .hero-copy p{max-width:650px;margin-top:25px;font-size:18px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .hero-points{display:flex;flex-wrap:wrap;gap:22px;margin-top:34px}
    .hero-point{display:flex;align-items:center;gap:9px;color:#526780;font-size:13px}
    .check{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:#dff8f3;color:#0a9d91;font-size:13px;font-weight:900}
    .hero-visual{position:relative}
    .hero-cover{border-radius:30px;overflow:hidden;box-shadow:var(--shadow);border:8px solid #fff;transform:rotate(2deg)}
    .hero-cover img{width:100%;height:390px;object-fit:cover}
    .brief-card{position:absolute;bottom:-36px;left:-40px;width:280px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:var(--shadow)}
    .brief-card small{color:var(--blue);font-weight:800}
    .brief-card strong{display:block;font-size:21px;margin:7px 0}
    .brief-list{display:grid;gap:7px;font-size:13px;color:var(--muted)}
    .brief-list span{display:flex;justify-content:space-between;border-bottom:1px dashed #dbe7f4;padding-bottom:5px}
    .search-card{position:absolute;top:-22px;right:-30px;background:#10243f;color:#fff;border-radius:18px;padding:17px 20px;box-shadow:var(--shadow);font-size:13px}
    .search-card b{display:block;color:#8fe9e8;font-size:20px}
    .trust-strip{padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
    .trust-row{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
    .trust-row span{font-size:13px;color:#70839b}
    .trust-row strong{color:var(--ink);font-size:17px}
    .channel-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
    .feature-panel{background:var(--ink);color:#fff;border-radius:var(--radius);padding:38px;min-height:390px;position:relative;overflow:hidden}
    .feature-panel:after{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(143,233,232,.25);border-radius:50%;right:-80px;bottom:-90px}
    .feature-panel h3{color:#fff;font-size:31px;max-width:470px}
    .feature-panel p{color:#b5c6db;margin-top:16px;max-width:510px}
    .feature-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
    .feature-pills span{padding:8px 12px;border-radius:10px;background:rgba(255,255,255,.09);color:#dceaff;font-size:13px}
    .channel-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .mini-card{border:1px solid var(--line);border-radius:18px;padding:24px;background:#fff;box-shadow:var(--shadow-sm);transition:.25s}
    .mini-card:hover,.info-card:hover,.news-item:hover,.quote:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .mini-icon{width:38px;height:38px;border-radius:12px;background:#edf5ff;color:var(--blue);display:grid;place-items:center;font-weight:900;margin-bottom:15px}
    .mini-card p{font-size:13px;margin-top:8px}
    .metric-section{background:var(--pale)}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff;border-radius:22px;overflow:hidden;box-shadow:var(--shadow-sm)}
    .metric{padding:30px;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}
    .metric strong{font-size:38px;color:var(--blue);display:block;line-height:1}
    .metric span{display:block;margin-top:11px;color:var(--muted);font-size:14px}
    .metric small{display:block;margin-top:7px;color:#8b9bb0;font-size:12px}
    .matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .info-card{border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fff;box-shadow:var(--shadow-sm);transition:.25s}
    .info-card img{height:178px;width:100%;object-fit:cover}
    .info-body{padding:23px}
    .info-body p{font-size:14px;margin-top:9px}
    .card-link{display:inline-flex;margin-top:18px;color:var(--blue);font-size:13px;font-weight:800}
    .scenario{background:#f8fbff}
    .scenario-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:42px;align-items:stretch}
    .scenario-image{border-radius:25px;overflow:hidden;min-height:420px}
    .scenario-image img{width:100%;height:100%;object-fit:cover}
    .scenario-content{display:grid;gap:14px}
    .scenario-row{display:grid;grid-template-columns:58px 1fr;gap:17px;align-items:start;padding:20px;border-bottom:1px solid var(--line)}
    .scenario-row:last-child{border-bottom:0}
    .number{width:42px;height:42px;border-radius:14px;background:#e9f3ff;color:var(--blue);display:grid;place-items:center;font-weight:900}
    .scenario-row p{font-size:14px;margin-top:5px}
    .guide-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .guide-card{padding:24px;border-radius:18px;background:#fff;border:1px solid var(--line);position:relative}
    .guide-card em{font-style:normal;font-size:42px;color:#d6e8fb;font-weight:900;position:absolute;right:16px;top:8px}
    .guide-card p{font-size:13px;margin-top:9px}
    .hot-section{background:#10243f}
    .hot-section .section-head h2,.hot-section .section-head p{color:#fff}
    .hot-section .section-head p{color:#b6c8db}
    .hot-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .hot-list{background:#173452;border:1px solid rgba(255,255,255,.11);border-radius:20px;padding:10px}
    .hot-item{display:grid;grid-template-columns:50px 1fr auto;gap:14px;align-items:center;padding:17px 15px;border-bottom:1px solid rgba(255,255,255,.1)}
    .hot-item:last-child{border-bottom:0}
    .hot-no{font-size:28px;color:#67d5db;font-weight:900}
    .hot-item h3{font-size:17px;color:#fff}
    .hot-item p{font-size:12px;color:#a9bfd5;margin-top:3px}
    .hot-item a{color:#8fe9e8;font-size:12px;font-weight:800;white-space:nowrap}
    .hot-side{border-radius:20px;overflow:hidden;position:relative;min-height:340px}
    .hot-side img{width:100%;height:100%;object-fit:cover;opacity:.72}
    .hot-side:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(16,36,63,.88),transparent 70%)}
    .hot-side-content{position:absolute;z-index:1;bottom:25px;left:27px;right:27px}
    .hot-side-content h3{color:#fff;font-size:28px}
    .hot-side-content p{color:#c8d8e8;margin-top:7px;font-size:14px}
    .deep-grid{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}
    .deep-copy p{margin-top:16px;font-size:16px}
    .data-list{margin-top:25px;display:grid;gap:13px}
    .data-line{display:flex;justify-content:space-between;gap:20px;padding-bottom:12px;border-bottom:1px solid var(--line);font-size:14px}
    .data-line b{color:var(--blue)}
    .deep-art{background:#eff7ff;border-radius:28px;padding:25px;display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .art-box{padding:24px;background:#fff;border-radius:18px;border:1px solid var(--line)}
    .art-box:first-child{grid-column:span 2;background:var(--blue);color:#fff}
    .art-box:first-child h3{color:#fff;font-size:34px}
    .art-box h3{font-size:20px}
    .art-box p{font-size:13px;margin-top:7px}
    .news-section{background:#f8fbff}
    .news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:24px}
    .news-list{background:#fff;border:1px solid var(--line);border-radius:21px;padding:5px 24px}
    .news-item{display:grid;grid-template-columns:86px 1fr 70px;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line);transition:.25s}
    .news-item:last-child{border-bottom:0}
    .news-date{font-size:13px;color:#8b9bb0}
    .news-item h3{font-size:17px}
    .news-item p{font-size:13px;margin-top:5px}
    .news-item a{color:var(--blue);font-size:12px;font-weight:800;white-space:nowrap}
    .recommend{background:#eaf4ff;border-radius:21px;padding:28px}
    .recommend h3{font-size:25px}
    .recommend p{font-size:14px;margin-top:10px}
    .recommend ul{padding:0;margin:22px 0 0;list-style:none;display:grid;gap:12px}
    .recommend li{font-size:13px;padding:12px 14px;background:#fff;border-radius:12px;color:#506781}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .quote{border:1px solid var(--line);border-radius:20px;padding:27px;background:#fff;box-shadow:var(--shadow-sm);transition:.25s}
    .quote p{font-size:15px;color:#405875}
    .quote footer{display:flex;align-items:center;gap:10px;margin-top:22px;color:#8192a8;font-size:13px}
    .quote-avatar{width:35px;height:35px;border-radius:50%;background:#dcedff;color:var(--blue);display:grid;place-items:center;font-weight:800}
    .form-section{background:linear-gradient(135deg,#edf7ff,#f7fcff)}
    .form-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:45px;align-items:start}
    .form-copy p{margin-top:16px;font-size:16px}
    .form-note{display:flex;gap:10px;margin-top:25px;font-size:13px;color:#66809c}
    .lead-form{background:#fff;border:1px solid var(--line);border-radius:23px;padding:30px;box-shadow:var(--shadow)}
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:7px;margin-bottom:15px}
    .field label{font-size:13px;font-weight:800;color:#36516d}
    .field input,.field select,.field textarea{width:100%;border:1px solid #d8e5f2;border-radius:12px;padding:12px 14px;color:var(--ink);outline:0;background:#fbfdff}
    .field textarea{min-height:98px;resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(20,100,210,.1)}
    .privacy{font-size:12px;color:#8192a8;margin-top:12px}
    .privacy a{color:var(--blue)}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    details{border:1px solid var(--line);border-radius:16px;padding:18px 20px;background:#fff;box-shadow:var(--shadow-sm)}
    summary{cursor:pointer;list-style:none;font-weight:800;padding-right:25px;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:0;color:var(--blue);font-size:22px;top:-4px}
    details[open] summary:after{content:"−"}
    details p{font-size:14px;margin-top:12px;line-height:1.8}
    .cta-section{padding:70px 0}
    .cta-box{background:var(--blue);border-radius:28px;padding:48px 55px;display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;overflow:hidden}
    .cta-box:after{content:"";position:absolute;width:330px;height:330px;border:1px solid rgba(255,255,255,.2);border-radius:50%;right:-80px;top:-150px}
    .cta-box h2,.cta-box p{color:#fff}
    .cta-box p{margin-top:10px;color:#d7e8ff;max-width:650px}
    .cta-box .btn{background:#fff;color:var(--blue);position:relative;z-index:1;white-space:nowrap}
    footer{background:#0b1c31;color:#b8c9dc;padding:58px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12)}
    footer .brand{color:#fff}
    footer .brand-mark{box-shadow:none}
    .footer-intro{font-size:13px;line-height:1.9;margin-top:16px;max-width:330px;color:#9db1c8}
    .footer-col h4{color:#fff;font-size:15px;margin-bottom:13px}
    .footer-col a{display:block;font-size:13px;color:#9db1c8;margin:8px 0}
    .footer-col a:hover{color:#8fe9e8}
    .copyright{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;font-size:12px;color:#8198b0}
    .float-cta{position:fixed;right:22px;bottom:22px;z-index:40;background:#10243f;color:#fff;border-radius:17px;padding:13px 17px;box-shadow:0 12px 30px rgba(16,36,63,.24);font-size:13px;font-weight:800}
    .float-cta:hover{background:var(--blue);transform:translateY(-3px)}
    @media(max-width:1024px){
      .dock{gap:10px}.nav-links a{padding:9px 8px}
      .hero-grid,.channel-grid,.scenario-grid,.deep-grid,.form-grid{grid-template-columns:1fr;gap:35px}
      .hero-visual{max-width:700px;margin:0 auto;width:100%}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .guide-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:2fr 1fr 1fr}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 28px))}
      .section{padding:65px 0}.hero{padding-top:130px}
      .dock-wrap{padding:0 10px}.dock{padding:9px 10px 9px 13px;border-radius:17px}
      .brand{font-size:17px}.brand-mark{width:30px;height:30px;border-radius:10px}
      .nav-cta{padding:10px 12px;font-size:12px}
      .hero-copy p{font-size:16px}.hero-cover img{height:300px}.brief-card{left:8px;bottom:-48px}.search-card{right:8px}
      .matrix-grid,.quote-grid,.faq-grid,.news-layout,.hot-grid{grid-template-columns:1fr}
      .news-list{padding:4px 16px}
      .news-item{grid-template-columns:72px 1fr;gap:12px}.news-item a{grid-column:2}
      .cta-box{padding:35px 27px;display:block}.cta-box .btn{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      h1{font-size:39px}.hero-actions .btn{width:100%}.hero-points{gap:12px;display:grid}
      .channel-list,.metric-grid,.guide-grid{grid-template-columns:1fr}
      .metric{border-right:0!important;border-bottom:1px solid var(--line)!important}.metric:last-child{border-bottom:0!important}
      .form-row{grid-template-columns:1fr}.deep-art{grid-template-columns:1fr}.art-box:first-child{grid-column:auto}
      .footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:8px}
      .float-cta{right:12px;bottom:12px}
    }

/* roulang page: category2 */
:root{
      --ink:#10243f;
      --muted:#61738b;
      --blue:#1464d2;
      --blue-dark:#0c3f93;
      --cyan:#18b8c8;
      --pale:#f4f8fc;
      --line:#dbe7f4;
      --white:#fff;
      --radius:22px;
      --shadow:0 18px 55px rgba(20,72,130,.12);
      --shadow-sm:0 8px 25px rgba(20,72,130,.08);
      --max:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#fff;color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .section{padding:88px 0}
    .section-head{max-width:730px;margin-bottom:38px}
    .section-head h2{font-size:clamp(28px,3.5vw,43px);line-height:1.2;letter-spacing:-.03em;margin:11px 0 0}
    .section-head p{color:var(--muted);font-size:16px;margin-top:15px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.13em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--cyan);border-radius:10px}
    .dock-wrap{position:absolute;z-index:20;top:22px;left:0;right:0}
    .dock{width:min(1240px,calc(100% - 40px));margin:auto;display:flex;align-items:center;gap:18px;padding:10px 12px 10px 18px;background:rgba(255,255,255,.9);border:1px solid rgba(219,231,244,.9);border-radius:18px;box-shadow:0 12px 35px rgba(20,72,130,.1);backdrop-filter:blur(15px)}
    .brand{display:flex;align-items:center;gap:10px;white-space:nowrap;font-size:21px;font-weight:900;color:var(--ink)}
    .brand-mark{width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--cyan));display:grid;place-items:center;color:#fff;font-weight:900;font-size:15px;box-shadow:0 7px 16px rgba(20,100,210,.28)}
    .nav-links{display:flex;align-items:center;gap:3px;flex:1;overflow:auto;scrollbar-width:none}
    .nav-links::-webkit-scrollbar{display:none}
    .nav-links a{font-size:13px;color:var(--muted);padding:10px 11px;border-radius:12px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:#edf5ff;color:var(--blue);font-weight:700}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:13px;background:var(--blue);color:#fff;padding:13px 20px;font-size:14px;font-weight:800;box-shadow:0 9px 20px rgba(20,100,210,.2)}
    .nav-cta:hover,.btn:hover{background:var(--blue-dark);transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--blue);border:1px solid #cfe0f5;box-shadow:none}
    .btn-light:hover{background:#edf5ff;color:var(--blue-dark)}
    .hero{padding:156px 0 78px;background:linear-gradient(180deg,#f4f9ff 0%,#fff 92%);overflow:hidden}
    .hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:60px;align-items:center}
    .hero h1{font-size:clamp(40px,5.3vw,70px);line-height:1.12;letter-spacing:-.055em;margin:14px 0 0;max-width:720px}
    .hero-copy p{max-width:640px;margin-top:24px;font-size:18px;line-height:1.9;color:#526780}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .hero-points{display:flex;flex-wrap:wrap;gap:20px;margin-top:32px}
    .hero-point{display:flex;align-items:center;gap:8px;color:#526780;font-size:13px}
    .hero-point i{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px #dff8fa}
    .hero-visual{position:relative;min-height:450px}
    .hero-cover{position:absolute;right:0;top:12px;width:82%;border-radius:30px;overflow:hidden;box-shadow:var(--shadow);border:8px solid #fff;transform:rotate(2deg)}
    .hero-cover img{width:100%;height:390px;object-fit:cover}
    .schedule-panel{position:absolute;left:0;bottom:0;width:290px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:var(--shadow)}
    .schedule-panel small{color:var(--blue);font-weight:800}
    .schedule-panel strong{display:block;font-size:22px;margin:6px 0 12px}
    .schedule-line{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px dashed var(--line);font-size:13px}
    .schedule-line:last-child{border-bottom:0}
    .schedule-line span:last-child{color:var(--blue);font-weight:800}
    .progress-ring{position:absolute;right:-10px;top:-20px;width:126px;height:126px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--cyan) 0 76%,#dceaf7 76% 100%);box-shadow:var(--shadow)}
    .progress-ring:after{content:"";position:absolute;width:96px;height:96px;border-radius:50%;background:#fff}
    .progress-ring div{position:relative;z-index:1;text-align:center;font-size:12px;color:var(--muted);line-height:1.3}
    .progress-ring b{display:block;font-size:24px;color:var(--ink)}
    .metric-section{background:var(--pale)}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff;border-radius:22px;overflow:hidden;box-shadow:var(--shadow-sm)}
    .metric{padding:27px 25px;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}
    .metric strong{display:block;font-size:32px;color:var(--blue);line-height:1.1}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:8px}
    .matrix-grid{display:grid;grid-template-columns:1.1fr .9fr 1fr;gap:18px}
    .matrix-card{padding:28px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--shadow-sm);transition:.25s}
    .matrix-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .matrix-card.dark{background:var(--ink);color:#fff;border-color:var(--ink)}
    .matrix-card.dark p,.matrix-card.dark li{color:#b8c9dc}
    .matrix-icon{width:42px;height:42px;border-radius:14px;background:#e9f3ff;color:var(--blue);display:grid;place-items:center;font-weight:900;margin-bottom:20px}
    .matrix-card.dark .matrix-icon{background:#21486e;color:#8fe9e8}
    .matrix-card h3{font-size:21px;margin-bottom:8px}
    .matrix-card p{font-size:14px;color:var(--muted)}
    .matrix-card ul{padding:0;margin:18px 0 0;list-style:none;display:grid;gap:9px;font-size:13px;color:#526780}
    .matrix-card li:before{content:"✓";color:var(--cyan);font-weight:900;margin-right:8px}
    .feature-band{background:#10243f;color:#fff}
    .feature-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:54px;align-items:center}
    .feature-image{border-radius:26px;overflow:hidden;border:7px solid rgba(255,255,255,.12);box-shadow:0 20px 45px rgba(0,0,0,.18)}
    .feature-image img{width:100%;height:360px;object-fit:cover}
    .feature-copy h2{font-size:clamp(30px,4vw,48px);line-height:1.2;margin:12px 0 0}
    .feature-copy p{color:#b9c8da;margin-top:18px;font-size:16px}
    .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}
    .tag{padding:8px 12px;border-radius:10px;background:rgba(255,255,255,.1);color:#deefff;font-size:13px}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .compare-box{border:1px solid var(--line);border-radius:20px;padding:28px;background:#fff}
    .compare-box.highlight{background:#f2f8ff;border-color:#b9d5f5}
    .compare-title{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:22px}
    .compare-title h3{font-size:20px}
    .badge{display:inline-flex;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800;background:#e8f6f8;color:#078e9b}
    .compare-list{display:grid;gap:15px}
    .compare-item{display:flex;justify-content:space-between;gap:15px;border-bottom:1px solid var(--line);padding-bottom:12px;font-size:14px}
    .compare-item span{color:var(--muted)}
    .compare-item b{color:var(--ink)}
    .timeline-section{background:var(--pale)}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:22px;background:#fff;overflow:hidden;box-shadow:var(--shadow-sm)}
    .time-item{padding:28px 24px;border-right:1px solid var(--line);position:relative}
    .time-item:last-child{border-right:0}
    .time-no{font-size:13px;color:var(--blue);font-weight:900}
    .time-item h3{font-size:19px;margin:18px 0 8px}
    .time-item p{font-size:13px;color:var(--muted)}
    .date-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
    .date-card{padding:18px;border:1px solid var(--line);border-radius:17px;background:#fff;box-shadow:var(--shadow-sm);transition:.25s}
    .date-card:hover{border-color:#9ec5ef;transform:translateY(-3px)}
    .date-card.active{background:var(--blue);color:#fff;border-color:var(--blue)}
    .date-card small{display:block;font-size:12px;opacity:.75}
    .date-card strong{display:block;font-size:19px;margin:4px 0}
    .date-card span{font-size:12px;opacity:.8}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px}
    .faq-intro{padding-right:20px}
    .faq-intro p{color:var(--muted);margin-top:16px}
    .faq-list{display:grid;gap:12px}
    .faq-item{border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden}
    .faq-item button{width:100%;border:0;background:transparent;padding:19px 21px;text-align:left;color:var(--ink);font-weight:800;display:flex;justify-content:space-between;align-items:center}
    .faq-item button span{font-size:21px;color:var(--blue);transition:.25s}
    .faq-item.open button span{transform:rotate(45deg)}
    .faq-answer{display:none;padding:0 21px 19px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .cta{padding:70px 0;background:linear-gradient(110deg,#eaf5ff,#f2fbfb)}
    .cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:38px 44px;border:1px solid #cfe2f4;border-radius:26px;background:#fff;box-shadow:var(--shadow)}
    .cta-box h2{font-size:clamp(26px,3vw,39px);line-height:1.25;margin:0}
    .cta-box p{color:var(--muted);margin-top:10px}
    .cta-actions{display:flex;gap:10px;flex-wrap:wrap;flex-shrink:0}
    footer{background:#10243f;color:#fff;padding:34px 0 28px}
    .footer-main{display:flex;justify-content:space-between;gap:30px;align-items:flex-start}
    .footer-brand{font-size:20px;font-weight:900}
    .footer-note{color:#aebfd2;font-size:13px;max-width:430px;margin-top:10px}
    .footer-links{display:flex;flex-wrap:wrap;gap:18px;color:#c5d5e5;font-size:13px}
    .footer-links a:hover{color:#8fe9e8}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.13);margin-top:28px;padding-top:18px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;color:#9fb1c6;font-size:12px}
    .quote-avatar{display:inline-grid;place-items:center;width:28px;height:28px;margin-right:8px;border-radius:50%;background:#18b8c8;color:#10243f;font-weight:900;vertical-align:middle}
    .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
    :focus-visible{outline:3px solid rgba(24,184,200,.55);outline-offset:3px}
    @media(max-width:1024px){
      .nav-links a{padding-left:8px;padding-right:8px}
      .hero-grid,.feature-grid,.faq-grid{grid-template-columns:1fr;gap:35px}
      .hero-visual{max-width:680px;width:100%;margin:0 auto}
      .matrix-grid{grid-template-columns:repeat(2,1fr)}
      .matrix-card:last-child{grid-column:span 2}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 28px))}
      .dock{width:calc(100% - 28px);gap:10px;padding:9px 10px}
      .brand{font-size:18px}
      .brand-mark{width:31px;height:31px}
      .nav-links{order:3;flex-basis:100%;width:100%;display:flex}
      .dock{flex-wrap:wrap}
      .nav-cta{font-size:12px;padding:10px 12px}
      .hero{padding-top:145px}
      .hero h1{font-size:43px}
      .hero-cover{position:relative;width:90%;right:auto;margin-left:auto}
      .schedule-panel{left:0;bottom:-24px}
      .progress-ring{right:-2px}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .metric:nth-child(2){border-right:0}
      .metric:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .matrix-grid,.compare{grid-template-columns:1fr}
      .matrix-card:last-child{grid-column:auto}
      .timeline{grid-template-columns:repeat(2,1fr)}
      .time-item:nth-child(2){border-right:0}
      .time-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .date-strip{grid-template-columns:repeat(3,1fr)}
      .date-card:nth-child(n+4){display:none}
      .cta-box{padding:30px 25px;display:block}
      .cta-actions{margin-top:22px}
      .footer-main{display:block}
      .footer-links{margin-top:22px}
    }
    @media(max-width:520px){
      .section{padding:64px 0}
      .dock-wrap{top:12px}
      .dock{border-radius:15px}
      .nav-links{overflow-x:auto}
      .hero{padding-top:142px}
      .hero h1{font-size:37px}
      .hero-copy p{font-size:16px}
      .hero-visual{min-height:405px}
      .hero-cover img{height:285px}
      .schedule-panel{width:250px;padding:16px}
      .progress-ring{width:100px;height:100px}
      .progress-ring:after{width:76px;height:76px}
      .progress-ring b{font-size:19px}
      .metric{padding:21px 16px}
      .metric strong{font-size:27px}
      .feature-image img{height:260px}
      .feature-copy h2{font-size:31px}
      .timeline{grid-template-columns:1fr}
      .time-item,.time-item:nth-child(2){border-right:0;border-bottom:1px solid var(--line)}
      .time-item:last-child{border-bottom:0}
      .date-strip{grid-template-columns:repeat(2,1fr)}
      .date-card:nth-child(3){display:none}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:6px}
    }

/* roulang page: category1 */
:root{--ink:#10243f;--muted:#61738b;--blue:#1464d2;--blue-dark:#0c3f93;--cyan:#18b8c8;--pale:#f4f8fc;--line:#dbe7f4;--white:#fff;--radius:22px;--shadow:0 18px 55px rgba(20,72,130,.12);--shadow-sm:0 8px 25px rgba(20,72,130,.08);--max:1240px}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit;transition:.25s ease}img{max-width:100%;display:block}button,input{font:inherit}button{cursor:pointer}.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}.section{padding:82px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.13em}.eyebrow:before{content:"";width:28px;height:2px;background:var(--cyan);border-radius:10px}h1,h2,h3,p{margin:0}h1{font-size:clamp(40px,5.2vw,68px);line-height:1.13;letter-spacing:-.045em}h2{font-size:clamp(28px,3.3vw,43px);line-height:1.25;letter-spacing:-.03em}h3{font-size:20px;line-height:1.35}.section-head{max-width:730px;margin-bottom:36px}.section-head p{margin-top:15px;color:var(--muted);font-size:16px}.dock-wrap{position:absolute;top:22px;left:0;right:0;z-index:10}.dock{width:min(1240px,calc(100% - 32px));margin:auto;display:flex;align-items:center;gap:21px;padding:10px 12px;background:rgba(255,255,255,.9);border:1px solid rgba(219,231,244,.95);border-radius:19px;box-shadow:0 12px 35px rgba(20,72,130,.1);backdrop-filter:blur(16px)}.brand{display:flex;align-items:center;gap:10px;white-space:nowrap;font-size:21px;font-weight:900}.brand-mark{width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--cyan));display:grid;place-items:center;color:#fff;font-size:15px;box-shadow:0 7px 16px rgba(20,100,210,.28)}.nav-links{display:flex;align-items:center;gap:3px;flex:1;overflow:auto;scrollbar-width:none}.nav-links::-webkit-scrollbar{display:none}.nav-links a{font-size:13px;color:var(--muted);padding:10px 11px;border-radius:12px;white-space:nowrap}.nav-links a:hover,.nav-links a.active{background:#edf5ff;color:var(--blue);font-weight:700}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:13px;background:var(--blue);color:#fff;padding:13px 20px;font-size:14px;font-weight:800;box-shadow:0 9px 20px rgba(20,100,210,.2)}.nav-cta:hover,.btn:hover{background:var(--blue-dark);transform:translateY(-2px)}.btn-light{background:#fff;color:var(--blue);border:1px solid #cfe0f5;box-shadow:none}.btn-light:hover{background:#edf5ff;color:var(--blue-dark)}.hero{padding:140px 0 60px;background:#f4f9ff url('/assets/images/backpic/back-1.webp') center/cover no-repeat;position:relative}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(244,249,255,.98) 18%,rgba(244,249,255,.8) 58%,rgba(244,249,255,.35));pointer-events:none}.hero .container{position:relative;z-index:1}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:55px;align-items:center}.hero-copy p{max-width:680px;margin-top:23px;font-size:18px;color:#526780;line-height:1.9}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.hero-points{display:flex;gap:22px;flex-wrap:wrap;margin-top:29px;color:#526780;font-size:13px}.hero-points span:before{content:"✓";color:var(--cyan);font-weight:900;margin-right:7px}.score-board{background:#10243f;border-radius:26px;padding:27px;color:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}.score-board:before{content:"LIVE";position:absolute;right:23px;top:20px;color:#8fe9e8;font-size:11px;font-weight:900;letter-spacing:.14em}.board-title{color:#a8bdd6;font-size:13px;margin-bottom:20px}.score-row{display:grid;grid-template-columns:1fr 56px 1fr;gap:15px;align-items:center;padding:20px 0;border-top:1px solid rgba(255,255,255,.12)}.team:first-child{text-align:right}.team small{display:block;color:#91a9c5;font-size:11px}.team strong{font-size:17px}.score{font-size:30px;font-weight:900;text-align:center;color:#fff}.board-foot{display:flex;justify-content:space-between;color:#8fa7c1;font-size:12px;padding-top:16px}.status{color:#73e3d5}.metric-section{padding:27px 0;background:#fff;border-bottom:1px solid var(--line)}.metrics{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm)}.metric{padding:20px 24px;border-right:1px solid var(--line)}.metric:last-child{border:0}.metric b{display:block;color:var(--blue);font-size:27px}.metric span{font-size:13px;color:var(--muted)}.matrix{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}.panel{border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm);padding:30px}.panel.dark{background:var(--ink);color:#fff;border:0}.panel.dark p{color:#b6c9df}.filter-bar{display:flex;gap:9px;flex-wrap:wrap;margin:24px 0}.tag{display:inline-flex;padding:7px 13px;border-radius:99px;border:1px solid var(--line);color:var(--muted);font-size:12px}.tag.active{background:#edf5ff;border-color:#bcd8f8;color:var(--blue);font-weight:800}.match-list{display:grid;gap:0}.match{display:grid;grid-template-columns:85px 1fr 100px;gap:15px;align-items:center;padding:16px 0;border-top:1px solid var(--line)}.match time{font-size:13px;color:var(--muted)}.match strong{font-size:14px}.match small{display:block;color:var(--muted);font-size:12px}.match-score{text-align:right;font-weight:900;color:var(--blue)}.mini-stat{display:flex;justify-content:space-between;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.13);font-size:14px}.mini-stat:last-child{border:0}.mini-stat b{color:#8fe9e8}.compare{background:var(--pale)}.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.compare-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px;box-shadow:var(--shadow-sm)}.compare-card h3{display:flex;justify-content:space-between}.compare-card h3 span{font-size:12px;color:var(--blue);background:#edf5ff;border-radius:8px;padding:3px 8px}.bar{height:8px;background:#e9f0f7;border-radius:9px;margin:18px 0 8px;overflow:hidden}.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--blue),var(--cyan));border-radius:9px}.compare-card p{font-size:13px;color:var(--muted)}.feature-split{display:grid;grid-template-columns:.86fr 1.14fr;gap:38px;align-items:center}.feature-split img{height:370px;width:100%;object-fit:cover;border-radius:24px;box-shadow:var(--shadow)}.bullet-list{display:grid;gap:17px;margin-top:25px}.bullet-list li{list-style:none;display:flex;gap:12px;color:var(--muted)}.bullet-list li:before{content:"01";color:var(--blue);font-weight:900}.bullet-list li:nth-child(2):before{content:"02"}.bullet-list li:nth-child(3):before{content:"03"}.news-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}.news-item{padding:22px;border:1px solid var(--line);border-radius:17px;background:#fff;transition:.25s}.news-item:first-child{grid-row:span 2;background:#edf5ff}.news-item time{font-size:12px;color:var(--blue);font-weight:800}.news-item h3{margin:8px 0}.news-item p{font-size:13px;color:var(--muted)}.card-link{display:inline-block;margin-top:14px;color:var(--blue);font-size:13px;font-weight:800}.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.faq{border:1px solid var(--line);border-radius:16px;padding:20px 22px;background:#fff}.faq summary{cursor:pointer;font-weight:800;list-style:none}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"＋";float:right;color:var(--blue)}.faq[open] summary:after{content:"－"}.faq p{padding-top:13px;color:var(--muted);font-size:14px}.cta{background:linear-gradient(110deg,#0e438f,#1464d2);color:#fff;border-radius:27px;padding:42px 48px;display:flex;justify-content:space-between;align-items:center;gap:25px}.cta p{color:#cce1f5;margin-top:10px;max-width:680px}.cta .btn{background:#fff;color:var(--blue);box-shadow:none}.cta .btn:hover{background:#dff8fa;color:var(--blue-dark)}footer{background:#10243f;color:#d9e6f5;padding:34px 0;margin-top:80px}.footer-inner{display:flex;justify-content:space-between;gap:30px;align-items:center}.quote-avatar{display:inline-grid;place-items:center;width:32px;height:32px;background:#18b8c8;color:#10243f;border-radius:50%;font-weight:900;margin-right:9px}.footer-meta{font-size:12px;color:#91a9c5;line-height:2;text-align:right}.footer-meta a:hover{color:#fff}.notice{font-size:13px;color:var(--muted);background:#f7fafc;border-left:3px solid var(--cyan);padding:15px 18px;border-radius:0 12px 12px 0;margin-top:20px}
@media(max-width:1024px){.dock{gap:10px}.nav-cta{padding:11px 14px}.hero-grid,.matrix,.feature-split,.news-grid{grid-template-columns:1fr}.hero-visual{max-width:650px;margin:auto}.compare-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.section{padding:62px 0}.dock-wrap{top:10px}.dock{align-items:flex-start;flex-wrap:wrap;padding:9px}.brand{font-size:18px}.nav-links{order:3;flex-basis:100%;width:100%;padding-top:2px}.nav-links a{padding:7px 9px}.nav-cta{margin-left:auto}.hero{padding-top:142px}.metrics{grid-template-columns:repeat(2,1fr)}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}.metric{padding:16px}.match{grid-template-columns:65px 1fr 70px}.cta{padding:30px 25px;display:block}.cta .btn{margin-top:20px}.footer-inner{display:block}.footer-meta{text-align:left;margin-top:18px}}
@media(max-width:520px){.container{width:min(var(--max),calc(100% - 28px))}h1{font-size:39px}.hero-copy p{font-size:16px}.hero-actions .btn{width:100%}.score-board{padding:20px 16px}.compare-grid,.faq-grid{grid-template-columns:1fr}.panel{padding:22px}.feature-split img{height:260px}.news-item:first-child{grid-row:auto}.hero-points{gap:10px;display:grid}.footer-meta{font-size:11px}}

/* roulang page: category4 */
:root{
      --ink:#10243f;
      --muted:#61738b;
      --blue:#1464d2;
      --blue-dark:#0c3f93;
      --cyan:#18b8c8;
      --pale:#f4f8fc;
      --line:#dbe7f4;
      --white:#fff;
      --radius:22px;
      --shadow:0 18px 55px rgba(20,72,130,.12);
      --shadow-sm:0 8px 25px rgba(20,72,130,.08);
      --max:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#fff;color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .section{padding:88px 0}
    .section-head{max-width:720px;margin-bottom:38px}
    .section-head h2{font-size:clamp(28px,4vw,43px);line-height:1.2;letter-spacing:-.04em;margin:12px 0}
    .section-head p{margin:0;color:var(--muted);font-size:16px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.13em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--cyan);border-radius:10px}
    .dock-wrap{position:absolute;z-index:20;top:20px;left:0;right:0}
    .dock{width:min(1240px,calc(100% - 40px));margin:auto;display:flex;align-items:center;gap:20px;padding:10px 12px 10px 18px;border:1px solid rgba(219,231,244,.9);border-radius:18px;background:rgba(255,255,255,.9);backdrop-filter:blur(16px);box-shadow:0 12px 35px rgba(20,72,130,.1)}
    .brand{display:flex;align-items:center;gap:10px;white-space:nowrap;font-size:21px;font-weight:900;color:var(--ink)}
    .brand-mark{width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--cyan));display:grid;place-items:center;color:#fff;font-weight:900;font-size:15px;box-shadow:0 7px 16px rgba(20,100,210,.28)}
    .nav-links{display:flex;align-items:center;gap:3px;flex:1;overflow:auto;scrollbar-width:none}
    .nav-links::-webkit-scrollbar{display:none}
    .nav-links a{font-size:13px;color:#61738b;padding:10px 11px;border-radius:12px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:#edf5ff;color:var(--blue);font-weight:700}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:13px;background:var(--blue);color:#fff;padding:13px 20px;font-size:14px;font-weight:800;box-shadow:0 9px 20px rgba(20,100,210,.2)}
    .nav-cta:hover,.btn:hover{background:var(--blue-dark);transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--blue);border:1px solid #cfe0f5;box-shadow:none}
    .btn-light:hover{background:#edf5ff;color:var(--blue-dark)}
    .hero{padding:164px 0 80px;background-image:linear-gradient(90deg,rgba(244,249,255,.98),rgba(244,249,255,.82)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;overflow:hidden}
    .hero-main{text-align:center;max-width:900px;margin:0 auto}
    .hero h1{font-size:clamp(42px,7vw,76px);line-height:1.08;letter-spacing:-.06em;margin:16px auto 20px}
    .hero h1 span{color:var(--blue)}
    .hero-main>p{max-width:700px;margin:0 auto;color:var(--muted);font-size:18px}
    .search-box{display:flex;max-width:700px;margin:30px auto 0;padding:7px;background:#fff;border:1px solid var(--line);border-radius:17px;box-shadow:var(--shadow)}
    .search-box input{flex:1;min-width:0;border:0;outline:0;padding:13px 16px;color:var(--ink)}
    .search-box input:focus{box-shadow:inset 0 0 0 2px #cde1fb;border-radius:10px}
    .search-box button{border:0;border-radius:12px;background:var(--blue);color:#fff;padding:12px 22px;font-weight:800}
    .search-box button:hover{background:var(--blue-dark)}
    .quick-links{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:18px}
    .quick-links a{padding:7px 13px;border:1px solid #cfe0f5;background:rgba(255,255,255,.7);border-radius:30px;color:var(--blue);font-size:13px}
    .quick-links a:hover{background:#fff;box-shadow:var(--shadow-sm)}
    .hero-stats{display:grid;grid-template-columns:repeat(4,1fr);max-width:920px;margin:52px auto 0;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-sm);overflow:hidden}
    .hero-stat{padding:22px;border-right:1px solid var(--line)}
    .hero-stat:last-child{border-right:0}
    .hero-stat strong{display:block;font-size:28px;color:var(--blue);line-height:1.2}
    .hero-stat span{display:block;color:var(--muted);font-size:13px;margin-top:5px}
    .metric-section{background:var(--pale)}
    .metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .metric-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm)}
    .metric-card h3{margin:0 0 20px;font-size:21px}
    .bar-row{display:grid;grid-template-columns:100px 1fr 45px;align-items:center;gap:13px;margin:17px 0;font-size:13px}
    .bar{height:9px;border-radius:20px;background:#e8f0f8;overflow:hidden}
    .bar i{display:block;height:100%;border-radius:20px;background:linear-gradient(90deg,var(--blue),var(--cyan))}
    .score-panel{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:20px;background:#f7fbff;border-radius:16px;margin-bottom:12px}
    .score-panel b{font-size:26px;color:var(--blue)}
    .score-panel small{color:var(--muted)}
    .matrix{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
    .matrix-main{background:var(--ink);color:#fff;border-radius:var(--radius);padding:38px;position:relative;overflow:hidden}
    .matrix-main:after{content:"";position:absolute;width:280px;height:280px;border:1px solid rgba(143,233,232,.25);border-radius:50%;right:-100px;bottom:-100px}
    .matrix-main h3{font-size:31px;line-height:1.25;margin:0;max-width:520px}
    .matrix-main p{color:#b5c6db;max-width:560px;margin:16px 0 0}
    .tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
    .tag{padding:8px 12px;border-radius:10px;background:rgba(255,255,255,.1);color:#dceaff;font-size:13px}
    .matrix-side{display:grid;gap:14px}
    .matrix-item{padding:24px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-sm)}
    .matrix-item h4{margin:0;font-size:18px}
    .matrix-item p{margin:7px 0 0;color:var(--muted);font-size:14px}
    .compare-section{background:#f8fbff}
    .compare-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:stretch}
    .compare-image{min-height:390px;border-radius:var(--radius);overflow:hidden;position:relative}
    .compare-image img{width:100%;height:100%;object-fit:cover}
    .compare-image:after{content:"数据对比视图";position:absolute;left:22px;bottom:22px;color:#fff;font-weight:800;font-size:19px;text-shadow:0 2px 12px #10243f}
    .compare-table{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm)}
    .compare-row{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:10px;padding:15px 0;border-bottom:1px solid var(--line);font-size:14px}
    .compare-row:first-child{color:var(--blue);font-weight:800;padding-top:0}
    .compare-row:last-child{border-bottom:0}
    .compare-row span:not(:first-child){text-align:right;font-weight:700}
    .scenario-layout{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .scenario-card{padding:28px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--shadow-sm);transition:.25s}
    .scenario-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .scenario-num{display:grid;place-items:center;width:40px;height:40px;border-radius:13px;background:#eaf4ff;color:var(--blue);font-weight:900;margin-bottom:18px}
    .scenario-card h3{margin:0;font-size:20px}
    .scenario-card p{color:var(--muted);font-size:14px;margin:10px 0 0}
    .detail-section{background:var(--pale)}
    .detail-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:38px;align-items:center}
    .detail-image{border-radius:25px;overflow:hidden;box-shadow:var(--shadow)}
    .detail-image img{width:100%;height:430px;object-fit:cover}
    .detail-copy h2{font-size:clamp(29px,4vw,45px);line-height:1.2;margin:12px 0 18px}
    .detail-copy p{color:var(--muted);font-size:16px}
    .check-list{display:grid;gap:13px;margin:25px 0 0;padding:0;list-style:none}
    .check-list li{display:flex;gap:12px;align-items:flex-start;font-size:14px}
    .check-list li:before{content:"✓";display:grid;place-items:center;flex:none;width:22px;height:22px;border-radius:50%;background:#dff8f5;color:#078c8d;font-weight:900}
    .workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow-sm)}
    .workflow-step{padding:28px 23px;background:#fff;border-right:1px solid var(--line);position:relative}
    .workflow-step:last-child{border-right:0}
    .workflow-step b{display:block;color:var(--cyan);font-size:13px;letter-spacing:.1em}
    .workflow-step h3{font-size:18px;margin:10px 0 8px}
    .workflow-step p{font-size:13px;color:var(--muted);margin:0}
    .insight-section{background:var(--ink);color:#fff}
    .insight-section .section-head p{color:#b6c8db}
    .insight-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
    .insight-feature{padding:34px;border-radius:22px;background:#173452;border:1px solid rgba(255,255,255,.12)}
    .insight-feature h3{font-size:28px;line-height:1.35;margin:0}
    .insight-feature p{color:#b9c9dc;margin:15px 0 0}
    .insight-list{display:grid;gap:12px}
    .insight-item{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:18px 20px;border-radius:16px;background:#173452;border:1px solid rgba(255,255,255,.12)}
    .insight-item span{color:#c8d7e8;font-size:14px}
    .insight-item strong{color:#8fe9e8;font-size:18px}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .faq-item{border:1px solid var(--line);border-radius:17px;background:#fff;padding:20px 23px;box-shadow:var(--shadow-sm)}
    .faq-item summary{cursor:pointer;font-weight:800;list-style:none;padding-right:20px;position:relative}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";position:absolute;right:0;color:var(--blue);font-size:22px;line-height:1}
    .faq-item[open] summary:after{content:"−"}
    .faq-item p{color:var(--muted);font-size:14px;margin:13px 0 0}
    .cta{padding:54px 0}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:42px 48px;border-radius:26px;background:linear-gradient(120deg,#1464d2,#0c3f93);color:#fff;box-shadow:var(--shadow)}
    .cta-box h2{font-size:clamp(27px,4vw,42px);line-height:1.2;margin:0 0 10px}
    .cta-box p{color:#d7e8ff;margin:0;max-width:650px}
    .cta-box .btn{background:#fff;color:var(--blue);box-shadow:none;white-space:nowrap}
    .cta-box .btn:hover{background:#e9f6ff}
    footer{padding:34px 0 40px;border-top:1px solid var(--line);background:#fbfdff}
    .footer-top{display:flex;justify-content:space-between;gap:30px;align-items:flex-start}
    .footer-brand p{max-width:430px;color:var(--muted);font-size:14px;margin:13px 0 0}
    .footer-links{display:flex;flex-wrap:wrap;gap:12px 20px;color:var(--muted);font-size:13px}
    .footer-links a:hover{color:var(--blue)}
    .footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:15px;margin-top:30px;padding-top:20px;border-top:1px solid var(--line);color:#8293a8;font-size:12px}
    .quote-avatar{display:inline-grid;place-items:center;width:25px;height:25px;border-radius:50%;background:#dff8f5;color:#078c8d;font-size:12px;font-weight:900;margin-right:7px}
    :focus-visible{outline:3px solid rgba(24,184,200,.45);outline-offset:3px}
    @media(max-width:1024px){
      .nav-links a{padding:10px 8px}
      .nav-cta{display:none}
      .hero-grid,.detail-grid,.compare-wrap,.matrix,.insight-grid{grid-template-columns:1fr}
      .hero-main{max-width:760px}
      .workflow{grid-template-columns:repeat(2,1fr)}
      .workflow-step:nth-child(2){border-right:0}
      .workflow-step:nth-child(-n+2){border-bottom:1px solid var(--line)}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 28px))}
      .dock{width:calc(100% - 24px);gap:10px;padding-left:12px}
      .brand{font-size:17px}
      .brand-mark{width:30px;height:30px}
      .nav-links{display:none}
      .hero{padding:132px 0 55px}
      .hero-stats{grid-template-columns:repeat(2,1fr);margin-top:35px}
      .hero-stat:nth-child(2){border-right:0}
      .hero-stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .section{padding:64px 0}
      .metric-grid,.faq-grid,.scenario-layout{grid-template-columns:1fr}
      .compare-image{min-height:270px}
      .workflow{grid-template-columns:1fr}
      .workflow-step{border-right:0;border-bottom:1px solid var(--line)}
      .workflow-step:last-child{border-bottom:0}
      .cta-box{padding:32px 25px;display:block}
      .cta-box .btn{margin-top:23px}
      .footer-top{display:block}
      .footer-links{margin-top:23px}
    }
    @media(max-width:520px){
      .hero h1{font-size:43px}
      .search-box{display:block;padding:8px}
      .search-box input{width:100%;padding:12px}
      .search-box button{width:100%;margin-top:7px}
      .hero-stat{padding:17px 12px}
      .hero-stat strong{font-size:23px}
      .bar-row{grid-template-columns:78px 1fr 35px;gap:8px}
      .matrix-main,.metric-card{padding:25px}
      .compare-table{padding:22px 17px}
      .detail-image img{height:300px}
    }

/* roulang page: category6 */
:root{
      --ink:#10243f;
      --muted:#61738b;
      --blue:#1464d2;
      --blue-dark:#0c3f93;
      --cyan:#18b8c8;
      --pale:#f4f8fc;
      --line:#dbe7f4;
      --white:#fff;
      --radius:22px;
      --shadow:0 18px 55px rgba(20,72,130,.12);
      --shadow-sm:0 8px 25px rgba(20,72,130,.08);
      --max:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#fff;color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(24,184,200,.45);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .section{padding:86px 0}
    .section-head{max-width:730px;margin-bottom:38px}
    .section-head h2{font-size:clamp(27px,3.3vw,43px);line-height:1.2;letter-spacing:-.04em;margin:10px 0}
    .section-head p{color:var(--muted);font-size:16px;margin:14px 0 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.13em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--cyan);border-radius:10px}
    .dock-wrap{position:absolute;z-index:20;top:22px;left:0;right:0}
    .dock{width:min(1210px,calc(100% - 32px));margin:auto;display:flex;align-items:center;gap:22px;padding:11px 14px 11px 18px;background:rgba(255,255,255,.91);border:1px solid rgba(219,231,244,.95);border-radius:18px;box-shadow:0 14px 35px rgba(20,72,130,.11);backdrop-filter:blur(15px)}
    .brand{display:flex;align-items:center;gap:10px;white-space:nowrap;font-size:21px;font-weight:900;color:var(--ink)}
    .brand-mark{width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--cyan));display:grid;place-items:center;color:#fff;font-weight:900;font-size:15px;box-shadow:0 7px 16px rgba(20,100,210,.28)}
    .nav-links{display:flex;align-items:center;gap:3px;flex:1;overflow:auto;scrollbar-width:none}
    .nav-links::-webkit-scrollbar{display:none}
    .nav-links a{font-size:13px;color:var(--muted);padding:10px 11px;border-radius:12px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:#edf5ff;color:var(--blue);font-weight:700}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:13px;background:var(--blue);color:#fff;padding:13px 20px;font-size:14px;font-weight:800;box-shadow:0 9px 20px rgba(20,100,210,.2)}
    .nav-cta:hover,.btn:hover{background:var(--blue-dark);transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--blue);border:1px solid #cfe0f5;box-shadow:none}
    .btn-light:hover{background:#edf5ff;color:var(--blue-dark)}
    .hero{padding:154px 0 82px;background:linear-gradient(180deg,#f4f9ff 0%,#fff 92%);overflow:hidden}
    .hero-inner{text-align:center;max-width:900px;margin:auto}
    .hero h1{font-size:clamp(38px,6vw,72px);line-height:1.12;letter-spacing:-.065em;margin:18px 0}
    .hero h1 span{color:var(--blue)}
    .hero-copy{max-width:690px;margin:0 auto;color:var(--muted);font-size:18px}
    .search-box{display:flex;max-width:650px;margin:31px auto 18px;padding:7px;background:#fff;border:1px solid var(--line);border-radius:17px;box-shadow:var(--shadow-sm)}
    .search-box input{flex:1;min-width:0;border:0;padding:12px 15px;color:var(--ink);outline:0;background:transparent}
    .search-box button{border:0;border-radius:12px;background:var(--blue);color:#fff;padding:11px 22px;font-weight:800}
    .search-box button:hover{background:var(--blue-dark)}
    .quick-links{display:flex;justify-content:center;gap:9px;flex-wrap:wrap}
    .quick-links a,.tag{font-size:13px;color:var(--blue);background:#edf5ff;border:1px solid #d7e8fb;border-radius:30px;padding:6px 12px}
    .quick-links a:hover,.tag:hover{background:#dcecff}
    .hero-board{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;max-width:1050px;margin:54px auto 0;text-align:left}
    .hero-photo{min-height:320px;border-radius:26px;overflow:hidden;position:relative;box-shadow:var(--shadow)}
    .hero-photo img{width:100%;height:100%;object-fit:cover}
    .photo-caption{position:absolute;left:22px;right:22px;bottom:20px;color:#fff;text-shadow:0 2px 15px #061a38}
    .photo-caption strong{font-size:25px;display:block}
    .photo-caption span{font-size:13px;color:#e4f1ff}
    .score-panel{background:var(--ink);border-radius:26px;color:#fff;padding:28px;box-shadow:var(--shadow)}
    .score-panel small{color:#8fe9e8;font-weight:800}
    .score-panel h3{font-size:24px;margin:10px 0 22px}
    .score-row{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.13);padding:13px 0;color:#bbcbdd;font-size:14px}
    .score-row b{color:#fff;font-size:22px}
    .metric-section{background:var(--pale)}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow-sm)}
    .metric{padding:27px 25px;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}
    .metric b{display:block;font-size:32px;line-height:1.2;color:var(--blue)}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:7px}
    .matrix{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .matrix-main{background:var(--ink);color:#fff;border-radius:var(--radius);padding:35px;min-height:335px}
    .matrix-main h3{font-size:30px;line-height:1.3;margin:5px 0 14px}
    .matrix-main p{color:#b7c8db;max-width:510px}
    .pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
    .pill-row span{padding:8px 13px;border-radius:10px;background:rgba(255,255,255,.1);color:#dceaff;font-size:13px}
    .matrix-side{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .mini-card,.data-card,.quote{border:1px solid var(--line);border-radius:19px;padding:24px;background:#fff;box-shadow:var(--shadow-sm);transition:.25s}
    .mini-card:hover,.data-card:hover,.quote:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .mini-card h3,.data-card h3{font-size:18px;margin:8px 0}
    .mini-card p,.data-card p{font-size:13px;color:var(--muted);margin:0}
    .icon{width:40px;height:40px;border-radius:13px;background:#eaf5ff;color:var(--blue);display:grid;place-items:center;font-weight:900}
    .comparison{display:grid;grid-template-columns:.78fr 1.22fr;gap:44px;align-items:start}
    .comparison-copy{padding-top:14px}
    .comparison-copy p{color:var(--muted)}
    .compare-list{border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow-sm)}
    .compare-head,.compare-item{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:12px;padding:17px 22px;align-items:center}
    .compare-head{background:#eef6ff;color:var(--blue);font-size:13px;font-weight:800}
    .compare-item{border-top:1px solid var(--line);font-size:14px}
    .compare-item span{color:var(--muted)}
    .compare-item strong{color:var(--ink)}
    .scenario-section{background:#f7fbff}
    .scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .scenario-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-sm)}
    .scenario-card img{height:155px;width:100%;object-fit:cover}
    .scenario-body{padding:22px}
    .scenario-body h3{margin:0 0 8px;font-size:19px}
    .scenario-body p{margin:0;color:var(--muted);font-size:14px}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:22px;overflow:hidden}
    .step{padding:28px 23px;background:#fff;border-right:1px solid var(--line);position:relative}
    .step:last-child{border-right:0}
    .step-no{color:var(--cyan);font-size:14px;font-weight:900}
    .step h3{font-size:18px;margin:12px 0 6px}
    .step p{color:var(--muted);font-size:13px;margin:0}
    .insight{display:grid;grid-template-columns:.9fr 1.1fr;gap:25px;align-items:stretch}
    .insight-image{border-radius:23px;overflow:hidden;min-height:315px}
    .insight-image img{width:100%;height:100%;object-fit:cover}
    .insight-copy{border-radius:23px;background:#eaf5ff;padding:35px}
    .insight-copy h2{font-size:30px;line-height:1.3;margin:8px 0 14px}
    .insight-copy p{color:var(--muted);font-size:15px}
    .bullet-list{display:grid;gap:12px;margin-top:22px}
    .bullet-list li{list-style:none;display:flex;gap:10px;font-size:14px}
    .bullet-list li:before{content:"✓";color:var(--blue);font-weight:900}
    .quote-wrap{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .quote{padding:30px}
    .quote p{font-size:17px;line-height:1.8;margin:0 0 18px}
    .quote footer{color:var(--muted);font-size:13px}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px}
    .faq-intro p{color:var(--muted)}
    .faq-list{display:grid;gap:11px}
    .faq-item{border:1px solid var(--line);border-radius:15px;background:#fff;overflow:hidden}
    .faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;background:none;border:0;padding:18px 20px;text-align:left;color:var(--ink);font-weight:800}
    .faq-q span:last-child{color:var(--blue);font-size:21px}
    .faq-a{display:none;padding:0 20px 18px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .cta{padding:55px 0;background:var(--ink);color:#fff}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{font-size:34px;line-height:1.3;margin:0 0 10px}
    .cta p{color:#b6c8db;margin:0;max-width:680px}
    .cta .btn{background:var(--cyan);color:var(--ink);box-shadow:none}
    .cta .btn:hover{background:#8fe9e8}
    .site-footer{background:#0b1c31;color:#c5d3e2;padding:28px 0 22px}
    .footer-main{display:flex;justify-content:space-between;gap:30px;align-items:center;flex-wrap:wrap}
    .footer-brand{color:#fff;font-size:18px;font-weight:900}
    .footer-links{display:flex;gap:18px;flex-wrap:wrap;font-size:13px}
    .footer-links a:hover{color:#8fe9e8}
    .quote-avatar{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#18b8c8;color:#10243f;font-weight:900;margin-right:8px}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:23px;padding-top:17px;display:flex;gap:18px;flex-wrap:wrap;color:#8ea4bc;font-size:12px}
    @media(max-width:1024px){
      .dock{gap:10px}.nav-cta{display:none}
      .hero-board,.comparison,.insight,.faq-grid{grid-template-columns:1fr}
      .hero-photo{min-height:300px}.metric-grid{grid-template-columns:repeat(2,1fr)}
      .metric:nth-child(2){border-right:0}.metric:nth-child(3),.metric:nth-child(4){border-top:1px solid var(--line)}
      .scenario-grid{grid-template-columns:repeat(2,1fr)}.process{grid-template-columns:repeat(2,1fr)}
      .step:nth-child(2){border-right:0}.step:nth-child(3),.step:nth-child(4){border-top:1px solid var(--line)}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 28px))}
      .dock-wrap{top:12px}.dock{padding:9px 10px}.brand{font-size:18px}.brand-mark{width:31px;height:31px}
      .nav-links a{padding:8px 9px;font-size:12px}.hero{padding:125px 0 60px}
      .hero h1{font-size:43px}.hero-copy{font-size:16px}.search-box{margin-top:25px}
      .section{padding:65px 0}.matrix,.quote-wrap,.scenario-grid{grid-template-columns:1fr}
      .matrix-side{grid-template-columns:repeat(2,1fr)}
      .cta-inner{display:block}.cta .btn{margin-top:22px}.cta h2{font-size:29px}
    }
    @media(max-width:520px){
      .hero h1{font-size:36px}.hero-board{margin-top:35px}.score-panel{padding:23px}
      .metric-grid,.process{grid-template-columns:1fr}.metric{border-right:0;border-top:1px solid var(--line)}
      .metric:first-child{border-top:0}.matrix-side{grid-template-columns:1fr}
      .compare-head,.compare-item{grid-template-columns:1.15fr .9fr .9fr;padding:14px 13px;font-size:12px}
      .insight-copy{padding:26px}.insight-copy h2{font-size:25px}
      .footer-main{align-items:flex-start;flex-direction:column}
    }

/* roulang page: category5 */
:root{
      --ink:#10243f;
      --muted:#61738b;
      --blue:#1464d2;
      --blue-dark:#0c3f93;
      --cyan:#18b8c8;
      --pale:#f4f8fc;
      --line:#dbe7f4;
      --white:#fff;
      --radius:22px;
      --shadow:0 18px 55px rgba(20,72,130,.12);
      --shadow-sm:0 8px 25px rgba(20,72,130,.08);
      --max:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#fff;color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(24,184,200,.55);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .section{padding:88px 0}
    .section-head{max-width:740px;margin-bottom:38px}
    .section-head h2{margin:12px 0 0;font-size:clamp(28px,4vw,44px);line-height:1.2;letter-spacing:-.035em}
    .section-head p{margin-top:15px;color:var(--muted);font-size:16px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.13em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--cyan);border-radius:10px}
    .dock-wrap{position:absolute;z-index:20;top:24px;left:0;right:0}
    .dock{width:min(1180px,calc(100% - 32px));margin:auto;display:flex;align-items:center;gap:22px;padding:11px 14px 11px 18px;background:rgba(255,255,255,.9);border:1px solid rgba(219,231,244,.9);border-radius:19px;box-shadow:0 15px 40px rgba(16,36,63,.1);backdrop-filter:blur(18px)}
    .brand{display:flex;align-items:center;gap:10px;white-space:nowrap;font-size:21px;font-weight:900;color:var(--ink)}
    .brand-mark{width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--cyan));display:grid;place-items:center;color:#fff;font-weight:900;font-size:15px;box-shadow:0 7px 16px rgba(20,100,210,.28)}
    .nav-links{display:flex;align-items:center;gap:3px;flex:1;overflow:auto;scrollbar-width:none}
    .nav-links::-webkit-scrollbar{display:none}
    .nav-links a{font-size:13px;color:#61738b;padding:10px 11px;border-radius:12px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:#edf5ff;color:var(--blue);font-weight:700}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:13px;background:var(--blue);color:#fff;padding:13px 20px;font-size:14px;font-weight:800;box-shadow:0 9px 20px rgba(20,100,210,.2)}
    .nav-cta:hover,.btn:hover{background:var(--blue-dark);transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--blue);border:1px solid #cfe0f5;box-shadow:none}
    .btn-light:hover{background:#edf5ff;color:var(--blue-dark)}
    .hero{padding:164px 0 106px;background:linear-gradient(180deg,#f2f8ff 0%,#fff 92%);overflow:hidden}
    .hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:62px;align-items:center}
    .hero-copy h1{margin:14px 0 0;font-size:clamp(42px,6vw,72px);line-height:1.08;letter-spacing:-.06em}
    .hero-copy h1 span{color:var(--blue)}
    .hero-copy p{max-width:620px;margin-top:25px;color:#526780;font-size:18px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .hero-points{display:flex;flex-wrap:wrap;gap:22px;margin-top:34px}
    .hero-point{display:flex;align-items:center;gap:9px;color:#526780;font-size:13px}
    .hero-point i{width:9px;height:9px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px #dff8fa}
    .hero-visual{position:relative;padding:18px 26px 18px 0}
    .hero-cover{border-radius:30px;overflow:hidden;box-shadow:var(--shadow);border:8px solid #fff;transform:rotate(2.5deg)}
    .hero-cover img{width:100%;height:460px;object-fit:cover}
    .brief-card{position:absolute;bottom:-26px;left:-35px;width:275px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:19px;box-shadow:var(--shadow)}
    .brief-card small{color:var(--blue);font-weight:800}
    .brief-card strong{display:block;font-size:20px;margin:5px 0}
    .brief-list{display:grid;gap:6px;font-size:13px;color:var(--muted)}
    .brief-list span{display:flex;justify-content:space-between;border-bottom:1px dashed #dbe7f4;padding-bottom:4px}
    .search-card{position:absolute;top:-13px;right:-10px;background:#10243f;color:#fff;border-radius:18px;padding:15px 19px;box-shadow:var(--shadow);font-size:13px}
    .search-card b{display:block;color:#8fe9e8;font-size:20px}
    .metric-section{background:var(--pale)}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff;border-radius:22px;overflow:hidden;box-shadow:var(--shadow-sm)}
    .metric{padding:28px 25px;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}
    .metric strong{display:block;font-size:35px;color:var(--blue);line-height:1.1}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:8px}
    .metric em{font-style:normal;color:#19a6a5;font-size:12px;font-weight:700}
    .matrix-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:22px}
    .feature-panel{background:var(--ink);color:#fff;border-radius:var(--radius);padding:38px;min-height:390px;position:relative;overflow:hidden}
    .feature-panel:after{content:"";position:absolute;width:280px;height:280px;border:1px solid rgba(143,233,232,.25);border-radius:50%;right:-80px;bottom:-100px}
    .feature-panel h3{color:#fff;font-size:31px;line-height:1.3;max-width:480px}
    .feature-panel p{color:#b5c6db;margin-top:16px;max-width:510px}
    .feature-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
    .feature-pills span{padding:8px 12px;border-radius:10px;background:rgba(255,255,255,.09);color:#dceaff;font-size:13px}
    .dimension-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .dimension-card{border:1px solid var(--line);border-radius:18px;padding:24px;background:#fff;box-shadow:var(--shadow-sm);transition:.25s}
    .dimension-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .dimension-card b{display:flex;align-items:center;gap:10px;font-size:17px}
    .dimension-card b i{font-style:normal;color:var(--blue);font-size:22px}
    .dimension-card p{font-size:13px;color:var(--muted);margin-top:9px}
    .split-section{background:#fff}
    .split-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:stretch}
    .split-image{min-height:470px;border-radius:26px;overflow:hidden;position:relative}
    .split-image img{width:100%;height:100%;object-fit:cover}
    .image-label{position:absolute;left:22px;bottom:20px;background:#fff;padding:12px 16px;border-radius:14px;box-shadow:var(--shadow-sm);font-size:13px;font-weight:800}
    .data-copy{padding:24px 0}
    .data-copy h2{font-size:38px;line-height:1.25;margin:12px 0 18px}
    .data-copy>p{color:var(--muted);font-size:16px}
    .check-list{display:grid;gap:15px;margin-top:28px}
    .check-list li{list-style:none;display:flex;gap:12px;align-items:flex-start;color:#405873}
    .check-list li:before{content:"✓";display:grid;place-items:center;flex:0 0 25px;height:25px;border-radius:50%;background:#e3f8f8;color:#139ca3;font-weight:900}
    .progress-panel{margin-top:30px;padding:22px;border:1px solid var(--line);border-radius:18px;background:#f8fbff}
    .progress-row{display:grid;grid-template-columns:100px 1fr 42px;gap:12px;align-items:center;margin:12px 0;font-size:13px}
    .progress-bar{height:8px;background:#e6eef7;border-radius:20px;overflow:hidden}
    .progress-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--blue),var(--cyan));border-radius:20px}
    .workflow{background:var(--pale)}
    .workflow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{position:relative;padding:28px 23px;background:#fff;border:1px solid var(--line);border-radius:19px;box-shadow:var(--shadow-sm)}
    .step-num{width:36px;height:36px;display:grid;place-items:center;border-radius:12px;background:#e9f3ff;color:var(--blue);font-weight:900}
    .step h3{font-size:18px;margin:18px 0 7px}
    .step p{font-size:13px;color:var(--muted)}
    .comparison-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
    .comparison-table{border:1px solid var(--line);border-radius:22px;overflow:hidden;background:#fff;box-shadow:var(--shadow-sm)}
    .comparison-head,.comparison-row{display:grid;grid-template-columns:1.3fr 1fr 1fr;padding:17px 22px;gap:12px;align-items:center}
    .comparison-head{background:#10243f;color:#fff;font-size:13px;font-weight:800}
    .comparison-row{border-bottom:1px solid var(--line);font-size:14px}
    .comparison-row:last-child{border-bottom:0}
    .comparison-row span:nth-child(2){color:var(--blue);font-weight:800}
    .comparison-row span:nth-child(3){color:var(--muted)}
    .notice-card{padding:30px;border-radius:22px;background:#eaf7fb;border:1px solid #c9edf0}
    .notice-card h3{font-size:25px;line-height:1.35}
    .notice-card p{margin-top:14px;color:#526780;font-size:14px}
    .notice-card .btn{margin-top:22px}
    .scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .scenario-card{padding:28px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-sm);transition:.25s}
    .scenario-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .scenario-card small{color:var(--blue);font-weight:800}
    .scenario-card h3{font-size:20px;margin-top:11px}
    .scenario-card p{color:var(--muted);font-size:14px;margin-top:8px}
    .quote-band{background:#10243f;color:#fff}
    .quote-layout{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
    .quote-layout h2{font-size:38px;line-height:1.3}
    .quote-layout p{color:#b6c8db;margin-top:17px}
    .quote-box{padding:30px;border:1px solid rgba(255,255,255,.15);border-radius:22px;background:rgba(255,255,255,.06)}
    .quote-box blockquote{font-size:19px;line-height:1.8;margin:0;color:#e7f2ff}
    .quote-author{display:flex;align-items:center;gap:12px;margin-top:22px;color:#a9c0d9;font-size:13px}
    .quote-avatar{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;background:#1b76bd;color:#fff;font-weight:900}
    .faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:55px}
    .faq-intro h2{font-size:38px;line-height:1.25;margin-top:12px}
    .faq-intro p{color:var(--muted);margin-top:16px}
    .faq-list{display:grid;gap:12px}
    .faq-item{border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden}
    .faq-item button{width:100%;border:0;background:#fff;color:var(--ink);display:flex;justify-content:space-between;text-align:left;padding:19px 20px;font-weight:800}
    .faq-item button span{color:var(--blue);font-size:20px;line-height:1}
    .faq-answer{display:none;padding:0 20px 19px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open button span{transform:rotate(45deg)}
    .cta-section{padding:72px 0}
    .cta-card{background:linear-gradient(110deg,#1464d2,#0c3f93);border-radius:28px;padding:48px 55px;color:#fff;display:grid;grid-template-columns:1fr .85fr;gap:35px;align-items:center;box-shadow:var(--shadow)}
    .cta-card h2{font-size:38px;line-height:1.3}
    .cta-card p{color:#d8e8ff;margin-top:14px}
    .cta-form{display:flex;gap:10px;padding:8px;background:rgba(255,255,255,.12);border-radius:15px}
    .cta-form input{min-width:0;flex:1;border:0;outline:0;background:transparent;color:#fff;padding:10px 12px}
    .cta-form input::placeholder{color:#c7dcf8}
    .cta-form button{border:0;border-radius:10px;background:#fff;color:var(--blue);padding:11px 16px;font-weight:800}
    footer{background:#f4f8fc;border-top:1px solid var(--line);padding:34px 0 28px;color:var(--muted)}
    .footer-grid{display:flex;justify-content:space-between;gap:28px;align-items:flex-start;flex-wrap:wrap}
    .footer-brand p{font-size:13px;max-width:370px;margin-top:11px}
    .footer-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:13px}
    .footer-meta a:hover{color:var(--blue)}
    .record{width:100%;border-top:1px solid var(--line);margin-top:25px;padding-top:20px;display:flex;gap:20px;flex-wrap:wrap;font-size:12px}
    @media(max-width:1024px){
      .dock{gap:12px}.nav-cta{display:none}
      .hero-grid,.matrix-grid,.split-grid,.comparison-grid,.quote-layout,.faq-grid,.cta-card{grid-template-columns:1fr}
      .hero-visual{max-width:720px;margin:18px auto 0;width:100%}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .workflow-grid{grid-template-columns:repeat(2,1fr)}
      .scenario-grid{grid-template-columns:repeat(3,1fr)}
      .cta-card{padding:40px}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 28px))}
      .dock-wrap{top:13px}.dock{width:calc(100% - 20px);padding:9px 10px;overflow:hidden}
      .brand{font-size:17px}.brand-mark{width:30px;height:30px}
      .nav-links{gap:0}.nav-links a{font-size:12px;padding:8px 8px}
      .hero{padding:125px 0 75px}.hero-copy h1{font-size:48px}
      .hero-copy p{font-size:16px}.hero-cover img{height:350px}
      .brief-card{left:8px;bottom:-25px}.search-card{right:6px}
      .section{padding:65px 0}.section-head{margin-bottom:27px}
      .dimension-list,.scenario-grid{grid-template-columns:1fr}
      .split-image{min-height:320px}.data-copy h2,.faq-intro h2,.quote-layout h2,.cta-card h2{font-size:31px}
      .comparison-head,.comparison-row{padding:14px 12px;font-size:12px}
    }
    @media(max-width:520px){
      .hero-copy h1{font-size:40px}.hero-actions .btn{width:100%}
      .hero-cover img{height:285px}.hero-visual{padding-right:4px}
      .brief-card{position:relative;left:0;bottom:auto;margin:-15px 20px 0 10px;width:auto}
      .search-card{top:0;right:5px}
      .metric-grid{grid-template-columns:1fr}.metric{border-right:0!important;border-bottom:1px solid var(--line)!important}
      .metric:last-child{border-bottom:0!important}
      .workflow-grid{grid-template-columns:1fr}
      .cta-card{padding:29px 22px}.cta-form{flex-direction:column;background:transparent;padding:0}
      .cta-form input,.cta-form button{width:100%;background:rgba(255,255,255,.14);border-radius:10px;padding:13px}
      .cta-form button{background:#fff}
      .comparison-head,.comparison-row{grid-template-columns:1.15fr .9fr .9fr}
      .footer-meta{gap:11px}
    }

/* roulang page: category7 */
:root{
      --ink:#10243f;
      --muted:#61738b;
      --blue:#1464d2;
      --blue-dark:#0c3f93;
      --cyan:#18b8c8;
      --pale:#f4f8fc;
      --line:#dbe7f4;
      --white:#fff;
      --radius:22px;
      --shadow:0 18px 55px rgba(20,72,130,.12);
      --shadow-sm:0 8px 25px rgba(20,72,130,.08);
      --max:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:#fff;
      color:var(--ink);
      font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
    }
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    h1,h2,h3,h4,p{margin:0}
    h1{font-size:clamp(40px,5vw,72px);line-height:1.12;letter-spacing:-.045em}
    h2{font-size:clamp(28px,3.5vw,46px);line-height:1.2;letter-spacing:-.03em}
    h3{font-size:22px;line-height:1.35}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .section{padding:88px 0}
    .section-head{max-width:720px;margin-bottom:38px}
    .section-head p{margin-top:15px;font-size:16px;color:var(--muted)}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;color:var(--blue);
      font-size:13px;font-weight:800;letter-spacing:.13em;
    }
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--cyan);border-radius:10px}
    .dock-wrap{position:absolute;top:22px;left:0;right:0;z-index:20}
    .dock{
      width:min(1240px,calc(100% - 40px));margin:0 auto;padding:10px 12px 10px 18px;
      display:flex;align-items:center;gap:18px;background:rgba(255,255,255,.91);
      border:1px solid rgba(219,231,244,.9);border-radius:20px;box-shadow:0 12px 35px rgba(20,72,130,.1);
      backdrop-filter:blur(16px);
    }
    .brand{display:flex;align-items:center;gap:10px;white-space:nowrap;font-size:21px;font-weight:900;color:var(--ink)}
    .brand-mark{
      width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--cyan));
      display:grid;place-items:center;color:#fff;font-weight:900;font-size:15px;box-shadow:0 7px 16px rgba(20,100,210,.28)
    }
    .nav-links{display:flex;align-items:center;gap:3px;flex:1;overflow:auto;scrollbar-width:none}
    .nav-links::-webkit-scrollbar{display:none}
    .nav-links a{font-size:13px;color:#61738b;padding:10px 11px;border-radius:12px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:#edf5ff;color:var(--blue);font-weight:700}
    .nav-cta,.btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:13px;
      background:var(--blue);color:#fff;padding:13px 20px;font-size:14px;font-weight:800;
      box-shadow:0 9px 20px rgba(20,100,210,.2)
    }
    .nav-cta:hover,.btn:hover{background:var(--blue-dark);transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--blue);border:1px solid #cfe0f5;box-shadow:none}
    .btn-light:hover{background:#edf5ff;color:var(--blue-dark)}
    .menu-toggle{display:none;border:0;background:#edf5ff;color:var(--blue);border-radius:11px;padding:8px 11px;font-weight:800}
    .hero{
      padding:165px 0 88px;background:linear-gradient(180deg,#f3f8ff 0%,#fff 93%);
      overflow:hidden;position:relative
    }
    .hero:after{
      content:"";position:absolute;width:440px;height:440px;border:1px solid #d9eafb;border-radius:50%;
      right:-190px;top:100px;pointer-events:none
    }
    .hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:66px;align-items:center}
    .hero-copy p{max-width:660px;margin-top:25px;font-size:18px;line-height:1.9;color:#526780}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .hero-points{display:flex;flex-wrap:wrap;gap:22px;margin-top:34px}
    .hero-point{display:flex;align-items:center;gap:9px;color:#526780;font-size:13px}
    .point-icon{width:23px;height:23px;border-radius:50%;display:grid;place-items:center;background:#dff7f6;color:#0795a0;font-weight:900}
    .hero-visual{position:relative}
    .hero-cover{border-radius:30px;overflow:hidden;box-shadow:var(--shadow);border:8px solid #fff;transform:rotate(2deg)}
    .hero-cover img{width:100%;height:410px;object-fit:cover}
    .brief-card{
      position:absolute;bottom:-35px;left:-40px;width:290px;background:#fff;border:1px solid var(--line);
      border-radius:20px;padding:20px;box-shadow:var(--shadow)
    }
    .brief-card small{color:var(--blue);font-weight:800}
    .brief-card strong{display:block;font-size:21px;margin:7px 0}
    .brief-list{display:grid;gap:7px;font-size:13px;color:var(--muted)}
    .brief-list span{display:flex;justify-content:space-between;border-bottom:1px dashed #dbe7f4;padding-bottom:5px}
    .search-card{position:absolute;top:-24px;right:-26px;background:#10243f;color:#fff;border-radius:18px;padding:17px 20px;box-shadow:var(--shadow);font-size:13px}
    .search-card b{display:block;color:#8fe9e8;font-size:20px}
    .stats-band{padding:0 0 20px}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff;border-radius:22px;overflow:hidden;box-shadow:var(--shadow-sm)}
    .metric{padding:27px 25px;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}
    .metric strong{display:block;font-size:31px;letter-spacing:-.04em;color:var(--blue)}
    .metric span{font-size:13px;color:var(--muted)}
    .intro-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:58px;align-items:start}
    .intro-note{padding:28px;border-radius:22px;background:#10243f;color:#fff;position:relative;overflow:hidden}
    .intro-note:after{content:"";position:absolute;width:190px;height:190px;border:1px solid rgba(143,233,232,.25);border-radius:50%;right:-75px;bottom:-80px}
    .intro-note p{color:#c3d3e5;margin-top:14px}
    .intro-copy{font-size:16px;color:#526780}
    .intro-copy p+p{margin-top:18px}
    .timeline-section{background:var(--pale)}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .step{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px;box-shadow:var(--shadow-sm);position:relative}
    .step-number{width:37px;height:37px;border-radius:12px;background:#e9f3ff;color:var(--blue);display:grid;place-items:center;font-weight:900;margin-bottom:22px}
    .step p{font-size:14px;color:var(--muted);margin-top:9px}
    .matrix-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:22px}
    .matrix-main{padding:36px;border-radius:var(--radius);background:#f7fbff;border:1px solid var(--line)}
    .matrix-main p{color:var(--muted);margin-top:13px}
    .matrix-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:26px}
    .matrix-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}
    .matrix-item b{display:block;font-size:16px}
    .matrix-item span{display:block;color:var(--muted);font-size:13px;margin-top:5px}
    .focus-panel{background:#10243f;border-radius:var(--radius);padding:34px;color:#fff}
    .focus-panel p{color:#b9cadc;margin-top:12px}
    .focus-list{display:grid;gap:15px;margin-top:25px}
    .focus-list li{list-style:none;display:flex;gap:12px;align-items:flex-start;font-size:14px;color:#dce8f5}
    .focus-list li:before{content:"";width:8px;height:8px;margin-top:9px;border-radius:50%;background:var(--cyan);flex:0 0 auto}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .compare-card{border:1px solid var(--line);border-radius:21px;padding:29px;background:#fff;box-shadow:var(--shadow-sm)}
    .compare-card.highlight{background:#edf6ff;border-color:#bdd9f7}
    .compare-label{display:inline-block;padding:6px 10px;border-radius:9px;background:#e9f1fa;color:var(--muted);font-size:12px;font-weight:800}
    .highlight .compare-label{background:#d8edff;color:var(--blue)}
    .compare-card h3{margin-top:17px}
    .compare-card p{color:var(--muted);font-size:14px;margin-top:10px}
    .compare-card ul{padding:0;margin:20px 0 0;display:grid;gap:10px}
    .compare-card li{list-style:none;font-size:14px;color:#526780;padding-left:24px;position:relative}
    .compare-card li:before{content:"✓";position:absolute;left:0;color:#12aab4;font-weight:900}
    .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .scene-card{min-height:235px;border:1px solid var(--line);border-radius:20px;padding:25px;background:#fff;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
    .scene-card:after{content:"";position:absolute;width:120px;height:120px;border-radius:50%;background:#edf6ff;right:-42px;bottom:-43px}
    .scene-index{color:var(--cyan);font-size:13px;font-weight:900}
    .scene-card h3{margin-top:19px}
    .scene-card p{font-size:14px;color:var(--muted);margin-top:10px;position:relative;z-index:1}
    .faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:54px;align-items:start}
    .faq-list{display:grid;gap:12px}
    .faq-item{border:1px solid var(--line);border-radius:17px;background:#fff;overflow:hidden}
    .faq-item summary{list-style:none;cursor:pointer;padding:20px 23px;font-weight:800;display:flex;justify-content:space-between;gap:15px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";color:var(--blue);font-size:23px;line-height:1}
    .faq-item[open] summary:after{content:"−"}
    .faq-answer{padding:0 23px 21px;color:var(--muted);font-size:14px}
    .cta-section{padding:78px 0}
    .cta-box{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;padding:43px 48px;border-radius:28px;background:linear-gradient(120deg,#10243f,#174d84);color:#fff;box-shadow:var(--shadow)}
    .cta-box p{color:#bdd0e4;margin-top:10px;max-width:650px}
    .cta-box .btn{background:#8fe9e8;color:#073d58;box-shadow:none}
    .cta-box .btn:hover{background:#c7ffff;color:#073d58}
    footer{background:#f4f8fc;border-top:1px solid var(--line);padding:30px 0 24px;color:var(--muted)}
    .footer-main{display:flex;justify-content:space-between;gap:25px;align-items:center;flex-wrap:wrap}
    .quote{display:flex;align-items:center;gap:12px;color:var(--ink);font-weight:700}
    .quote-avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:#dff7f6;color:#078f9a;font-weight:900}
    .footer-links{display:flex;gap:18px;flex-wrap:wrap;font-size:13px}
    .footer-links a:hover{color:var(--blue)}
    .legal{border-top:1px solid var(--line);margin-top:23px;padding-top:17px;font-size:12px;display:flex;gap:18px;flex-wrap:wrap}
    :focus-visible{outline:3px solid rgba(24,184,200,.45);outline-offset:3px}
    @media(max-width:1024px){
      .nav-links a{padding-left:8px;padding-right:8px}
      .hero-grid,.intro-grid,.faq-layout{grid-template-columns:1fr;gap:42px}
      .hero-copy{max-width:760px}
      .hero-visual{max-width:700px;margin:0 auto;width:100%}
      .matrix-grid{grid-template-columns:1fr}
      .timeline{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .dock{padding:10px 12px}
      .dock .nav-links{display:none}
      .dock .nav-cta{display:none}
      .menu-toggle{display:block;margin-left:auto}
      .dock.mobile-open{flex-wrap:wrap}
      .dock.mobile-open .nav-links{display:flex;order:5;flex-basis:100%;overflow:visible;flex-wrap:wrap;padding-top:8px}
      .dock.mobile-open .nav-links a{font-size:13px}
      .hero{padding-top:137px}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .metric:nth-child(2){border-right:0}
      .metric:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .scene-grid,.compare{grid-template-columns:1fr}
      .cta-box{grid-template-columns:1fr;padding:34px 28px}
      .section{padding:70px 0}
    }
    @media(max-width:520px){
      .container{width:min(var(--max),calc(100% - 28px))}
      .dock{width:calc(100% - 28px);top:13px}
      .brand{font-size:18px}
      .brand-mark{width:31px;height:31px}
      .hero{padding:116px 0 68px}
      .hero-copy p{font-size:16px}
      .hero-actions .btn{width:100%}
      .hero-cover img{height:295px}
      .brief-card{position:relative;left:12px;bottom:auto;width:calc(100% - 24px);margin-top:-18px}
      .search-card{right:10px;top:-18px}
      .metric{padding:21px 16px}
      .metric strong{font-size:25px}
      .matrix-list,.timeline{grid-template-columns:1fr}
      .intro-note,.matrix-main,.focus-panel{padding:25px}
      .footer-main{align-items:flex-start;flex-direction:column}
      .legal{display:block}
      .legal span{display:block;margin-bottom:6px}
    }

/* roulang page: category3 */
:root{
      --ink:#10243f;
      --muted:#61738b;
      --blue:#1464d2;
      --blue-dark:#0c3f93;
      --cyan:#18b8c8;
      --pale:#f4f8fc;
      --line:#dbe7f4;
      --white:#fff;
      --radius:22px;
      --shadow:0 18px 55px rgba(20,72,130,.12);
      --shadow-sm:0 8px 25px rgba(20,72,130,.08);
      --max:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#fff;color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .section{padding:88px 0}
    .section-head{max-width:720px;margin-bottom:40px}
    .section-head h2{margin:10px 0 0;font-size:clamp(28px,4vw,43px);line-height:1.25;letter-spacing:-.03em}
    .section-head p{margin-top:15px;color:var(--muted);font-size:16px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.13em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--cyan);border-radius:10px}
    .dock-wrap{position:absolute;top:22px;left:0;right:0;z-index:10}
    .dock{width:min(1180px,calc(100% - 32px));margin:auto;padding:10px 12px 10px 18px;background:rgba(255,255,255,.9);backdrop-filter:blur(18px);border:1px solid rgba(219,231,244,.9);border-radius:20px;box-shadow:0 12px 35px rgba(19,62,108,.1);display:flex;align-items:center;gap:18px}
    .brand{display:flex;align-items:center;gap:10px;white-space:nowrap;font-size:21px;font-weight:900;color:var(--ink)}
    .brand-mark{width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--cyan));display:grid;place-items:center;color:#fff;font-weight:900;font-size:15px;box-shadow:0 7px 16px rgba(20,100,210,.28)}
    .nav-links{display:flex;align-items:center;gap:3px;flex:1;overflow:auto;scrollbar-width:none}
    .nav-links::-webkit-scrollbar{display:none}
    .nav-links a{font-size:13px;color:var(--muted);padding:10px 11px;border-radius:12px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:#edf5ff;color:var(--blue);font-weight:700}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:13px;background:var(--blue);color:#fff;padding:13px 20px;font-size:14px;font-weight:800;box-shadow:0 9px 20px rgba(20,100,210,.2)}
    .nav-cta:hover,.btn:hover{background:var(--blue-dark);transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--blue);border:1px solid #cfe0f5;box-shadow:none}
    .btn-light:hover{background:#edf5ff;color:var(--blue-dark)}
    .hero{padding:154px 0 84px;background:#f4f9ff;position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(244,249,255,.97),rgba(244,249,255,.75)),url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center;opacity:.95}
    .hero .container{position:relative}
    .hero-grid{display:grid;grid-template-columns:1fr .95fr;gap:64px;align-items:center}
    .hero h1{font-size:clamp(42px,6vw,72px);line-height:1.12;letter-spacing:-.055em;margin:15px 0 0;max-width:650px}
    .hero-copy>p{max-width:650px;margin-top:24px;font-size:18px;color:#4f6682;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .hero-points{display:flex;flex-wrap:wrap;gap:20px;margin-top:33px}
    .hero-point{display:flex;align-items:center;gap:8px;color:#526780;font-size:13px}
    .hero-point b{width:21px;height:21px;border-radius:50%;background:#d9f7f6;color:#078b9d;display:grid;place-items:center;font-size:12px}
    .hero-visual{position:relative}
    .hero-cover{border-radius:30px;overflow:hidden;box-shadow:var(--shadow);border:8px solid #fff;transform:rotate(2deg)}
    .hero-cover img{width:100%;height:410px;object-fit:cover}
    .brief-card{position:absolute;bottom:-35px;left:-34px;width:285px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:var(--shadow)}
    .brief-card small{color:var(--blue);font-weight:800}
    .brief-card strong{display:block;font-size:21px;margin:6px 0}
    .brief-list{display:grid;gap:7px;font-size:13px;color:var(--muted)}
    .brief-list span{display:flex;justify-content:space-between;border-bottom:1px dashed var(--line);padding-bottom:5px}
    .search-card{position:absolute;top:-22px;right:-28px;background:#10243f;color:#fff;border-radius:18px;padding:16px 19px;box-shadow:var(--shadow);font-size:13px}
    .search-card b{display:block;color:#8fe9e8;font-size:20px}
    .metric-section{background:var(--pale)}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff;border-radius:22px;overflow:hidden;box-shadow:var(--shadow-sm)}
    .metric{padding:28px 25px;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}
    .metric strong{font-size:34px;line-height:1;color:var(--blue);display:block}
    .metric span{display:block;margin-top:10px;color:var(--muted);font-size:14px}
    .metric small{color:#8798ab;font-size:12px}
    .matrix-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:45px;align-items:start}
    .matrix-intro{padding:34px;background:var(--ink);border-radius:var(--radius);color:#fff;min-height:330px}
    .matrix-intro h3{font-size:29px;line-height:1.35;margin:12px 0}
    .matrix-intro p{color:#b7c9dd;font-size:14px}
    .matrix-intro .btn{margin-top:25px;background:var(--cyan);color:var(--ink);box-shadow:none}
    .matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .matrix-card{padding:24px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-sm);transition:.25s}
    .matrix-card:hover,.compare-card:hover,.news-item:hover,.quote:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .matrix-icon{width:40px;height:40px;border-radius:13px;background:#edf5ff;color:var(--blue);display:grid;place-items:center;font-weight:900}
    .matrix-card h3{font-size:18px;margin:16px 0 6px}
    .matrix-card p{font-size:13px;color:var(--muted);margin:0}
    .compare-section{background:#fbfdff}
    .compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .compare-card{border:1px solid var(--line);border-radius:22px;padding:30px;background:#fff;box-shadow:var(--shadow-sm);transition:.25s}
    .compare-card.highlight{background:#10243f;color:#fff;border-color:#10243f}
    .compare-card h3{font-size:23px;margin:8px 0 5px}
    .compare-card p{font-size:14px;color:var(--muted)}
    .highlight p{color:#bdd0e6}
    .compare-list{display:grid;gap:14px;margin-top:22px}
    .compare-list li{list-style:none;display:flex;gap:11px;align-items:flex-start;font-size:14px}
    .compare-list li:before{content:"✓";display:grid;place-items:center;min-width:22px;height:22px;border-radius:50%;background:#e2f8f6;color:#0793a2;font-weight:900}
    .timeline-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:45px;align-items:center}
    .timeline-image{border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}
    .timeline-image img{width:100%;height:390px;object-fit:cover}
    .timeline{border-left:2px solid #cfe0f5;padding-left:24px;display:grid;gap:24px}
    .timeline-item{position:relative}
    .timeline-item:before{content:"";position:absolute;left:-34px;top:7px;width:16px;height:16px;border-radius:50%;background:var(--cyan);border:4px solid #e4f8fa}
    .timeline-item b{font-size:13px;color:var(--blue)}
    .timeline-item h3{margin:5px 0;font-size:20px}
    .timeline-item p{margin:0;color:var(--muted);font-size:14px}
    .focus-section{background:var(--pale)}
    .focus-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}
    .focus-main{min-height:310px;border-radius:24px;overflow:hidden;position:relative;background:url("/assets/images/coverpic/cover-4.webp") center/cover}
    .focus-main:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,36,63,.88),rgba(16,36,63,.1))}
    .focus-content{position:relative;z-index:1;color:#fff;padding:38px;max-width:570px}
    .focus-content h3{font-size:31px;line-height:1.3;margin:12px 0}
    .focus-content p{color:#d2e0ef;font-size:14px}
    .focus-side{display:grid;gap:15px}
    .focus-note{padding:22px;background:#fff;border:1px solid var(--line);border-radius:18px}
    .focus-note b{color:var(--blue)}
    .focus-note p{font-size:13px;color:var(--muted);margin:6px 0 0}
    .news-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
    .news-list{display:grid;gap:13px}
    .news-item{display:grid;grid-template-columns:92px 1fr auto;gap:18px;align-items:center;border:1px solid var(--line);border-radius:17px;padding:18px 20px;background:#fff;box-shadow:var(--shadow-sm);transition:.25s}
    .news-date{font-size:12px;color:var(--blue);font-weight:800}
    .news-item h3{font-size:17px;margin:0 0 3px}
    .news-item p{font-size:13px;color:var(--muted);margin:0}
    .text-link{font-size:13px;color:var(--blue);font-weight:800;white-space:nowrap}
    .news-aside{border-radius:22px;background:#edf5ff;padding:30px}
    .news-aside h3{font-size:24px;line-height:1.35;margin:10px 0}
    .news-aside p{font-size:14px;color:var(--muted)}
    .tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
    .tag{font-size:12px;color:var(--blue);background:#fff;border:1px solid #cfe0f5;border-radius:30px;padding:7px 11px}
    .quote-section{background:#10243f;color:#fff}
    .quote-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:50px;align-items:center}
    .quote-section h2{font-size:35px;line-height:1.3;margin:12px 0}
    .quote-section p{color:#b8cade;font-size:15px}
    .quote{background:#fff;color:var(--ink);border-radius:22px;padding:30px;box-shadow:var(--shadow-sm);transition:.25s}
    .quote p{color:#516780;font-size:17px;line-height:1.9;margin:0}
    .quote-footer{display:flex;align-items:center;gap:12px;margin-top:22px}
    .quote-avatar{width:38px;height:38px;display:inline-grid;place-items:center;background:#dff8f7;color:#087f91;border-radius:50%;font-weight:900}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}
    .faq-intro p{color:var(--muted);font-size:15px}
    .faq-list{display:grid;gap:11px}
    details{border:1px solid var(--line);border-radius:15px;background:#fff;padding:17px 20px}
    summary{cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:15px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";color:var(--blue);font-size:22px;line-height:1}
    details[open] summary:after{content:"−"}
    details p{margin:12px 0 0;color:var(--muted);font-size:14px}
    .form-section{padding-top:25px}
    .cta-box{background:linear-gradient(135deg,#1464d2,#0c3f93);border-radius:28px;padding:45px;color:#fff;display:grid;grid-template-columns:1fr .85fr;gap:40px;align-items:center;box-shadow:var(--shadow)}
    .cta-box h2{font-size:38px;line-height:1.3;margin:10px 0}
    .cta-box p{color:#dceaff;max-width:580px}
    .contact-form{background:#fff;border-radius:18px;padding:22px;display:grid;gap:12px}
    .contact-form label{font-size:12px;color:var(--muted);font-weight:700}
    .contact-form input,.contact-form textarea{width:100%;border:1px solid var(--line);border-radius:11px;padding:11px 13px;outline:0;color:var(--ink);background:#fbfdff}
    .contact-form input:focus,.contact-form textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(20,100,210,.12)}
    .contact-form textarea{min-height:72px;resize:vertical}
    .contact-form .btn{width:100%;margin-top:3px}
    footer{background:#f4f8fc;border-top:1px solid var(--line);padding:32px 0;color:var(--muted);font-size:13px}
    .footer-grid{display:flex;justify-content:space-between;gap:25px;align-items:center;flex-wrap:wrap}
    .footer-brand{font-size:18px;font-weight:900;color:var(--ink)}
    .footer-links{display:flex;gap:17px;flex-wrap:wrap}
    .footer-links a:hover{color:var(--blue)}
    .footer-meta{width:100%;display:flex;gap:18px;flex-wrap:wrap;padding-top:18px;border-top:1px solid var(--line)}
    :focus-visible{outline:3px solid rgba(24,184,200,.45);outline-offset:3px}
    @media(max-width:1024px){
      .nav-links a{padding:9px 8px}
      .hero-grid,.timeline-wrap,.quote-layout{gap:35px}
      .hero-grid{grid-template-columns:1fr .9fr}
      .matrix-layout,.faq-grid{gap:30px}
    }
    @media(max-width:768px){
      .dock{align-items:flex-start;flex-wrap:wrap;padding:12px 14px}
      .nav-links{order:3;width:100%;flex-basis:100%}
      .nav-cta{margin-left:auto}
      .hero{padding-top:190px}
      .hero-grid,.matrix-layout,.compare-grid,.timeline-wrap,.focus-grid,.news-grid,.quote-layout,.faq-grid,.cta-box{grid-template-columns:1fr}
      .hero-copy p{font-size:16px}
      .hero-visual{margin:12px 18px 55px}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .metric:nth-child(2){border-right:0}
      .metric:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .matrix-intro{min-height:auto}
      .timeline-wrap{gap:28px}
      .timeline-image img{height:280px}
      .news-aside{order:-1}
      .cta-box{padding:32px 24px}
    }
    @media(max-width:520px){
      .container{width:min(100% - 28px,var(--max))}
      .dock-wrap{top:10px}
      .dock{width:calc(100% - 18px)}
      .brand{font-size:18px}
      .brand-mark{width:31px;height:31px}
      .nav-cta{padding:10px 12px;font-size:12px}
      .nav-links a{font-size:12px;padding:8px 9px}
      .hero{padding-top:180px;padding-bottom:65px}
      .hero h1{font-size:42px}
      .hero-cover img{height:290px}
      .brief-card{left:-10px;width:245px}
      .search-card{right:-8px}
      .section{padding:64px 0}
      .metric strong{font-size:27px}
      .metric{padding:20px 16px}
      .matrix{grid-template-columns:1fr}
      .focus-content{padding:28px 24px}
      .news-item{grid-template-columns:1fr;gap:6px}
      .news-item .text-link{margin-top:4px}
      .cta-box h2{font-size:30px}
    }