/* roulang page: index */
:root{
      --navy:#081d38;
      --navy-2:#102e52;
      --blue:#1667d9;
      --blue-2:#3c8df5;
      --cyan:#60d7df;
      --sky:#edf5ff;
      --paper:#ffffff;
      --ink:#132238;
      --muted:#65758b;
      --line:#dce6f1;
      --soft:#f5f8fc;
      --gold:#f6bd56;
      --success:#39b982;
      --radius:22px;
      --radius-sm:14px;
      --shadow:0 18px 50px rgba(19,53,94,.10);
      --shadow-lg:0 28px 70px rgba(7,34,69,.18);
      --ease:all .28s ease;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      line-height:1.8;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(60,141,245,.42);outline-offset:3px}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .section{padding:96px 0;position:relative}
    .section.compact{padding:72px 0}
    .section-head{max-width:720px;margin-bottom:42px}
    .section-head.center{margin-left:auto;margin-right:auto;text-align:center}
    .eyebrow{
      display:inline-flex;align-items:center;gap:9px;
      color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em;
      text-transform:uppercase;margin-bottom:14px
    }
    .eyebrow::before{content:"";width:28px;height:3px;border-radius:3px;background:var(--cyan)}
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{line-height:1.25;letter-spacing:-.025em}
    h1{font-size:clamp(38px,5vw,68px);margin-bottom:22px}
    h2{font-size:clamp(29px,3.5vw,46px);margin-bottom:16px}
    h3{font-size:21px;margin-bottom:11px}
    p{color:var(--muted);margin-bottom:18px}
    .lead{font-size:18px;line-height:1.9}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:48px;padding:0 22px;border:1px solid transparent;border-radius:12px;
      font-weight:800;font-size:15px;transition:var(--ease)
    }
    .btn-primary{color:#fff;background:var(--blue);box-shadow:0 10px 22px rgba(22,103,217,.24)}
    .btn-primary:hover{background:#0d55bb;transform:translateY(-2px);box-shadow:0 15px 28px rgba(22,103,217,.3)}
    .btn-light{color:var(--navy);background:#fff;border-color:#d7e5f4}
    .btn-light:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
    .btn-ghost{color:var(--blue);background:transparent;border-color:#bad2ef}
    .btn-ghost:hover{background:var(--sky);border-color:var(--blue)}
    .tag,.pill{
      display:inline-flex;align-items:center;gap:6px;border-radius:999px;
      padding:5px 11px;font-size:12px;font-weight:800;line-height:1.5
    }
    .tag{color:var(--blue);background:#eaf3ff}
    .pill{color:#287454;background:#e8f8f0}
    .site-header{
      position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);
      border-bottom:1px solid rgba(220,230,241,.8);backdrop-filter:blur(16px)
    }
    .topbar{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;font-size:21px;font-weight:900;color:var(--navy);white-space:nowrap}
    .brand-mark{
      width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
      color:#fff;background:linear-gradient(135deg,var(--blue),var(--navy));font-weight:900
    }
    .nav-wrap{display:flex;align-items:center;gap:17px}
    .nav-list{display:flex;align-items:center;gap:3px;list-style:none;margin:0;padding:0}
    .nav-list a{
      display:block;padding:9px 12px;border-radius:9px;color:#52647b;font-size:14px;font-weight:700
    }
    .nav-list a:hover,.nav-list a.active{color:var(--blue);background:#eef5ff}
    .header-action{white-space:nowrap}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--navy);font-size:25px}
    .progress-bar{border-top:1px solid #eef3f8;background:#fbfdff}
    .progress-track{display:flex;align-items:center;justify-content:center;gap:0;min-height:42px}
    .progress-step{display:flex;align-items:center;gap:8px;color:#8492a4;font-size:12px;font-weight:800}
    .progress-step:not(:last-child)::after{content:"";display:block;width:42px;height:1px;margin:0 14px;background:#cad8e8}
    .progress-step.active{color:var(--blue)}
    .step-number{width:21px;height:21px;border-radius:50%;display:grid;place-items:center;background:#e5edf7;color:#718199;font-size:11px}
    .progress-step.active .step-number{background:var(--blue);color:#fff}
    .hero{
      min-height:650px;padding:84px 0 90px;color:#fff;
      background:
        linear-gradient(90deg,rgba(6,26,52,.97) 0%,rgba(8,29,56,.91) 43%,rgba(8,29,56,.70) 100%),
        url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
      position:relative;overflow:hidden
    }
    .hero::after{content:"";position:absolute;right:-180px;bottom:-280px;width:650px;height:650px;border:1px solid rgba(96,215,223,.25);border-radius:50%;box-shadow:0 0 0 70px rgba(96,215,223,.04),0 0 0 140px rgba(96,215,223,.03)}
    .hero-grid{display:grid;grid-template-columns:minmax(0,1.03fr) minmax(420px,.97fr);gap:70px;align-items:center;position:relative;z-index:1}
    .hero .eyebrow{color:var(--cyan)}
    .hero h1{max-width:680px}
    .hero h1 span{color:var(--cyan)}
    .hero .lead{max-width:650px;color:#d1e0f0;margin-bottom:30px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:33px}
    .hero-points{display:flex;flex-wrap:wrap;gap:22px;color:#b9cee5;font-size:13px}
    .hero-points strong{display:block;color:#fff;font-size:23px;line-height:1.2}
    .score-panel{
      background:rgba(14,46,82,.87);border:1px solid rgba(157,205,244,.25);
      border-radius:25px;padding:23px;box-shadow:var(--shadow-lg);backdrop-filter:blur(9px)
    }
    .panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(214,233,253,.16);padding-bottom:17px;margin-bottom:13px}
    .panel-title{font-size:15px;font-weight:900}
    .live-dot{color:#82edc0;font-size:12px}
    .live-dot::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:#50d49b;margin-right:6px;box-shadow:0 0 0 4px rgba(80,212,155,.12)}
    .match-row{display:grid;grid-template-columns:1fr 50px 1fr;align-items:center;gap:10px;padding:15px 0;border-bottom:1px solid rgba(214,233,253,.11)}
    .match-row:last-child{border-bottom:0}
    .team{display:flex;align-items:center;gap:8px;color:#dceafa;font-size:13px}
    .team.right{justify-content:flex-end;text-align:right}
    .team-icon{width:25px;height:25px;border-radius:8px;display:grid;place-items:center;background:#244e78;color:#9be8ed;font-size:11px;font-weight:900}
    .score{text-align:center;font-weight:900;color:#fff;font-size:18px}
    .match-meta{font-size:10px;color:#8da8c2;text-align:center;display:block}
    .hero-note{margin-top:16px;color:#9bb5ce;font-size:12px}
    .trust-strip{background:#fff;border-bottom:1px solid var(--line)}
    .trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:25px 0}
    .trust-item{display:flex;align-items:center;gap:12px;color:#44566d;font-size:14px;font-weight:800}
    .trust-icon{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;background:var(--sky);color:var(--blue);font-weight:900}
    .light-bg{background:var(--soft)}
    .rights-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:55px;align-items:center}
    .rights-photo{position:relative;min-height:390px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
    .rights-photo img{width:100%;height:100%;object-fit:cover}
    .photo-label{position:absolute;left:20px;bottom:20px;right:20px;padding:16px 18px;background:rgba(8,29,56,.88);border:1px solid rgba(255,255,255,.18);border-radius:15px;color:#fff}
    .photo-label small{display:block;color:#a9c5df;margin-bottom:3px}
    .benefit-list{list-style:none;margin:25px 0 0;padding:0;display:grid;gap:16px}
    .benefit-list li{display:grid;grid-template-columns:30px 1fr;gap:12px;color:#455970}
    .check{width:27px;height:27px;border-radius:50%;display:grid;place-items:center;color:#fff;background:var(--success);font-size:13px;font-weight:900}
    .benefit-list strong{display:block;color:var(--ink);margin-bottom:2px}
    .qualification{background:var(--navy);color:#fff}
    .qualification p{color:#b4c8dd}
    .qual-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:start}
    .qual-box{border:1px solid rgba(178,210,240,.18);background:rgba(255,255,255,.06);border-radius:var(--radius);padding:28px}
    .qual-box h3{color:#fff}
    .qual-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
    .qual-list li{display:flex;gap:12px;color:#d4e2ef;font-size:14px}
    .qual-list span{color:var(--cyan);font-weight:900}
    .topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:17px}
    .topic-card{min-height:176px;padding:22px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 8px 25px rgba(27,61,103,.05);position:relative;overflow:hidden}
    .topic-card::after{content:"";position:absolute;right:-25px;bottom:-35px;width:110px;height:110px;border-radius:50%;background:#eff7ff}
    .topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#b7d2f0}
    .topic-card h3{font-size:18px;position:relative;z-index:1}
    .topic-card p{font-size:13px;line-height:1.7;position:relative;z-index:1}
    .topic-arrow{color:var(--blue);font-size:20px;position:absolute;right:20px;bottom:15px;z-index:2}
    .metrics{background:#f2f7fc}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .metric{padding:27px 24px;background:#fff;border:1px solid var(--line);border-radius:18px}
    .metric strong{display:block;color:var(--navy);font-size:37px;line-height:1.1;margin-bottom:8px}
    .metric span{color:var(--muted);font-size:13px}
    .feature-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px;align-items:center}
    .feature-copy{padding-right:18px}
    .feature-image{border-radius:var(--radius);overflow:hidden;height:410px;box-shadow:var(--shadow)}
    .feature-image img{width:100%;height:100%;object-fit:cover}
    .feature-points{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:28px}
    .feature-point{padding:17px;border-left:3px solid var(--cyan);background:#f7fbff;border-radius:0 12px 12px 0}
    .feature-point strong{display:block;font-size:15px;color:var(--navy)}
    .feature-point span{color:var(--muted);font-size:13px}
    .steps{background:linear-gradient(135deg,#f5f9ff,#edf5ff)}
    .step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .journey-step{position:relative;padding:24px 25px 10px;border-top:2px solid #cbdced}
    .journey-step::before{content:"";position:absolute;top:-9px;left:23px;width:16px;height:16px;border:4px solid #eaf3ff;border-radius:50%;background:var(--blue)}
    .journey-step h3{font-size:18px;margin-top:10px}
    .journey-step p{font-size:13px}
    .news-section{background:#fff}
    .news-layout{display:grid;grid-template-columns:1fr 340px;gap:35px}
    .news-list{border-top:1px solid var(--line)}
    .news-item{display:grid;grid-template-columns:94px 1fr 105px;gap:18px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line)}
    .news-date{color:var(--blue);font-size:13px;font-weight:900}
    .news-item h3{font-size:17px;margin-bottom:5px}
    .news-item p{font-size:13px;margin:0;line-height:1.65}
    .news-more{font-size:13px;color:var(--blue);font-weight:800;text-align:right}
    .recommend{background:var(--navy);border-radius:var(--radius);padding:25px;color:#fff;position:relative;overflow:hidden}
    .recommend::before{content:"";position:absolute;right:-60px;top:-60px;width:170px;height:170px;border:1px solid rgba(96,215,223,.28);border-radius:50%}
    .recommend h3{color:#fff;position:relative}
    .recommend p{color:#afc5da;font-size:13px;position:relative}
    .recommend-img{height:135px;border-radius:13px;overflow:hidden;margin:19px 0;position:relative}
    .recommend-img img{width:100%;height:100%;object-fit:cover}
    .recommend a{color:var(--cyan);font-size:13px;font-weight:800}
    .vertical-section{background:#f7faff}
    .vertical-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:17px}
    .vertical-card{border-radius:18px;overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:0 9px 26px rgba(19,53,94,.06)}
    .vertical-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .vertical-cover{height:195px;position:relative;overflow:hidden}
    .vertical-cover img{width:100%;height:100%;object-fit:cover}
    .vertical-cover span{position:absolute;top:13px;left:13px;color:#fff;background:rgba(8,29,56,.75);padding:4px 9px;border-radius:999px;font-size:11px}
    .vertical-body{padding:17px}
    .vertical-body h3{font-size:17px}
    .vertical-body p{font-size:13px;line-height:1.65;min-height:44px}
    .vertical-body a{color:var(--blue);font-size:13px;font-weight:800}
    .media-strip{display:flex;gap:16px;overflow-x:auto;padding:4px 2px 16px;scrollbar-width:thin}
    .media-card{flex:0 0 245px;border:1px solid var(--line);border-radius:16px;padding:17px;background:#fff}
    .media-card:hover{border-color:#a9c8ec;transform:translateY(-3px)}
    .media-card .media-type{color:var(--blue);font-size:11px;font-weight:900;letter-spacing:.08em}
    .media-card h3{font-size:17px;margin:12px 0 8px}
    .media-card p{font-size:13px;line-height:1.65;margin-bottom:12px}
    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:60px;align-items:start}
    .faq-list{display:grid;gap:12px}
    details{border:1px solid var(--line);border-radius:14px;background:#fff;padding:0 19px}
    summary{cursor:pointer;list-style:none;padding:18px 28px 18px 0;position:relative;font-weight:800;color:var(--navy)}
    summary::-webkit-details-marker{display:none}
    summary::after{content:"+";position:absolute;right:0;top:15px;color:var(--blue);font-size:22px;font-weight:400}
    details[open] summary::after{content:"−"}
    details p{font-size:14px;line-height:1.8;padding:0 0 16px;margin:0}
    .form-section{background:var(--sky)}
    .form-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:55px;align-items:start}
    .form-card{padding:30px;background:#fff;border:1px solid #d8e7f7;border-radius:var(--radius);box-shadow:var(--shadow)}
    label{display:block;color:var(--navy);font-size:13px;font-weight:800;margin-bottom:7px}
    input,textarea,select{width:100%;border:1px solid #d4e0ed;border-radius:10px;background:#fbfdff;padding:12px 14px;color:var(--ink);margin-bottom:17px;transition:var(--ease)}
    input:focus,textarea:focus,select:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(22,103,217,.10);outline:0}
    textarea{min-height:110px;resize:vertical}
    .form-note{font-size:12px;color:#8392a4;margin:12px 0 0}
    .cta{
      padding:76px 0;background:var(--navy);color:#fff;position:relative;overflow:hidden
    }
    .cta::before,.cta::after{content:"";position:absolute;border:1px solid rgba(96,215,223,.18);border-radius:50%}
    .cta::before{width:380px;height:380px;right:-110px;top:-170px}
    .cta::after{width:250px;height:250px;left:-120px;bottom:-160px}
    .cta-inner{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{margin-bottom:10px;color:#fff}
    .cta p{color:#b6c9dd;margin:0;max-width:690px}
    .cta-actions{display:flex;flex-wrap:wrap;gap:11px;flex:0 0 auto}
    .site-footer{background:#06172d;color:#a7bdd3;padding:58px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.25fr repeat(3,1fr);gap:45px;padding-bottom:42px;border-bottom:1px solid rgba(185,214,240,.14)}
    .footer-brand{color:#fff;font-size:20px;font-weight:900;margin-bottom:14px}
    .footer-grid h3{color:#fff;font-size:14px;margin-bottom:15px}
    .footer-grid a{display:block;color:#a7bdd3;font-size:13px;margin:7px 0}
    .footer-grid a:hover{color:var(--cyan)}
    .footer-desc{font-size:13px;line-height:1.8;max-width:285px}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;align-items:center;padding-top:20px;font-size:12px}
    .record-links{display:flex;flex-wrap:wrap;gap:13px}
    .record-links a{color:#a7bdd3}
    .record-links a:hover{color:#fff}
    @media(max-width:1080px){
      .nav-list a{padding-left:7px;padding-right:7px;font-size:13px}
      .hero-grid{gap:35px}.topic-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:860px){
      .nav-wrap{display:none;position:absolute;left:20px;right:20px;top:69px;background:#fff;padding:14px;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
      .nav-wrap.open{display:block}.nav-list{display:grid;grid-template-columns:repeat(2,1fr)}
      .nav-list a{padding:11px}.header-action{display:none}.menu-toggle{display:block}
      .hero-grid,.rights-grid,.qual-grid,.feature-layout,.faq-layout,.form-layout{grid-template-columns:1fr;gap:35px}
      .hero{padding-top:65px}.score-panel{max-width:650px}
      .trust-grid,.metric-grid{grid-template-columns:repeat(2,1fr)}
      .news-layout{grid-template-columns:1fr}.recommend{max-width:500px}
      .vertical-grid{grid-template-columns:repeat(2,1fr)}
      .step-grid{grid-template-columns:repeat(2,1fr);gap:18px}.journey-step{border-top:0;border-left:2px solid #cbdced;padding-top:5px}.journey-step::before{top:7px;left:-9px}
      .cta-inner{display:block}.cta-actions{margin-top:25px}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:520px){
      .container{width:min(100% - 28px,1180px)}
      .section{padding:64px 0}.section.compact{padding:52px 0}
      .progress-track{justify-content:flex-start;overflow-x:auto;padding:0 4px}.progress-step{white-space:nowrap}.progress-step:not(:last-child)::after{width:22px;margin:0 8px}
      .hero{min-height:auto;padding:52px 0 64px}.hero h1{font-size:39px}.hero .lead{font-size:16px}
      .hero-actions .btn{width:100%}.hero-points{gap:15px}
      .trust-grid,.metric-grid,.topic-grid,.vertical-grid,.feature-points{grid-template-columns:1fr}
      .rights-photo{min-height:280px}.feature-image{height:280px}
      .news-item{grid-template-columns:1fr;gap:4px}.news-more{text-align:left;margin-top:5px}
      .footer-grid{grid-template-columns:1fr;gap:25px}.footer-bottom{display:block}.record-links{margin-top:12px}
      .form-card{padding:20px}.score-panel{padding:17px}
    }

/* roulang page: category2 */
:root{
      --navy:#081d38;--navy-2:#102e52;--blue:#1667d9;--blue-2:#3c8df5;
      --cyan:#60d7df;--sky:#edf5ff;--paper:#fff;--ink:#132238;--muted:#65758b;
      --line:#dce6f1;--soft:#f5f8fc;--gold:#f6bd56;--success:#39b982;
      --radius:22px;--radius-sm:14px;--shadow:0 18px 50px rgba(19,53,94,.10);
      --shadow-lg:0 28px 70px rgba(7,34,69,.18);--ease:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;line-height:1.8;font-size:16px;overflow-x:hidden}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea{font:inherit}button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .section{padding:92px 0;position:relative}.section.compact{padding:65px 0}
    .section-head{max-width:720px;margin-bottom:40px}.section-head.center{text-align:center;margin-left:auto;margin-right:auto}
    .section-head h2{margin:8px 0 14px;font-size:clamp(28px,4vw,42px);line-height:1.25;color:var(--navy)}
    .section-head p{color:var(--muted);margin:0;font-size:17px}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:8px}
    .eyebrow:before{content:"";width:28px;height:3px;border-radius:3px;background:var(--cyan)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border:1px solid transparent;border-radius:12px;font-weight:800;font-size:15px;transition:var(--ease)}
    .btn-primary{color:#fff;background:var(--blue);box-shadow:0 10px 22px rgba(22,103,217,.24)}
    .btn-primary:hover{background:#0d55bb;transform:translateY(-2px);box-shadow:0 15px 28px rgba(22,103,217,.3)}
    .btn-light{color:var(--navy);background:#fff;border-color:#d7e5f4}.btn-light:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
    .btn-ghost{color:var(--blue);background:transparent;border-color:#bad2ef}.btn-ghost:hover{background:var(--sky);border-color:var(--blue)}
    .tag,.pill{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 11px;font-size:12px;font-weight:800;line-height:1.5}
    .tag{color:var(--blue);background:#eaf3ff}.pill{color:#287454;background:#e8f8f0}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.93);border-bottom:1px solid rgba(220,230,241,.8);backdrop-filter:blur(16px)}
    .topbar{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;font-size:21px;font-weight:900;color:var(--navy);white-space:nowrap}
    .brand-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--blue),var(--navy));font-weight:900}
    .nav-wrap{display:flex;align-items:center;gap:17px}.nav-list{display:flex;align-items:center;gap:3px;list-style:none;margin:0;padding:0}
    .nav-list a{display:block;padding:9px 12px;border-radius:9px;color:#52647b;font-size:14px;font-weight:700}
    .nav-list a:hover,.nav-list a.active{color:var(--blue);background:#eef5ff}
    .header-action{white-space:nowrap}.menu-toggle{display:none;border:0;background:transparent;color:var(--navy);font-size:25px}
    .progress-bar{background:#f8fbff;border-top:1px solid #eef4fa}.progress-track{display:flex;align-items:center;gap:0;min-height:48px}
    .progress-step{flex:1;display:flex;align-items:center;gap:8px;color:#718198;font-size:13px;font-weight:800;position:relative}
    .progress-step:not(:last-child):after{content:"";height:1px;background:#d7e5f3;flex:1;margin:0 18px}
    .step-number{width:25px;height:25px;border-radius:50%;display:grid;place-items:center;border:1px solid #cbdbea;color:#718198;font-size:12px}
    .progress-step.active{color:var(--blue)}.progress-step.active .step-number{color:#fff;background:var(--blue);border-color:var(--blue)}
    .hero{padding:74px 0 82px;color:#fff;background:linear-gradient(90deg,rgba(6,26,52,.97),rgba(8,29,56,.78)),url("/assets/images/backpic/back-2.webp") center/cover;position:relative;overflow:hidden}
    .hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 430px;gap:70px;align-items:center;position:relative;z-index:1}
    .hero .eyebrow{color:var(--cyan)}.hero h1{font-size:clamp(38px,5vw,65px);line-height:1.15;margin:10px 0 20px;max-width:680px}.hero h1 span{color:var(--cyan)}
    .hero .lead{max-width:650px;color:#d1e0f0;font-size:18px;margin-bottom:28px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
    .hero-points{display:flex;flex-wrap:wrap;gap:20px;color:#b9cee5;font-size:13px}.hero-points strong{display:block;color:#fff;font-size:23px;line-height:1.2}
    .score-panel{background:rgba(7,28,55,.86);border:1px solid rgba(163,211,241,.22);border-radius:24px;padding:25px;box-shadow:var(--shadow-lg);backdrop-filter:blur(10px)}
    .panel-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.panel-title{font-size:16px;font-weight:900}.live-dot{color:#8de9bb;font-size:12px}
    .score-row{display:grid;grid-template-columns:1fr 75px 1fr;align-items:center;gap:10px;padding:18px 0;border-bottom:1px solid rgba(214,233,253,.12)}.score-row:last-child{border-bottom:0}
    .team{font-weight:800}.team:last-child{text-align:right}.score{text-align:center;font-size:25px;font-weight:900;color:var(--cyan)}.match-meta{display:block;color:#8da8c2;font-size:11px;text-align:center;margin-top:2px}.panel-foot{font-size:12px;color:#9bb5ce;margin-top:14px}
    .intro-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:54px;align-items:start}.intro-copy p{color:#52657b;font-size:17px}.intro-photo{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);position:relative}.intro-photo img{width:100%;height:355px;object-fit:cover}.photo-label{position:absolute;left:22px;bottom:20px;background:rgba(8,29,56,.88);color:#fff;border-radius:12px;padding:10px 15px;font-weight:800}
    .feature-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}.feature-card{border:1px solid var(--line);border-radius:var(--radius);padding:30px;background:#fff;box-shadow:0 8px 28px rgba(27,61,103,.05);transition:var(--ease)}.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#b7d2f0}.feature-card.large{background:var(--navy);color:#fff;min-height:270px}.feature-card.large p{color:#bfd0e2}.feature-icon{width:45px;height:45px;border-radius:13px;display:grid;place-items:center;background:#e9f3ff;color:var(--blue);font-size:21px;font-weight:900;margin-bottom:18px}.feature-card.large .feature-icon{background:rgba(96,215,223,.14);color:var(--cyan)}.feature-card h3{font-size:22px;margin:0 0 10px}.feature-card p{color:var(--muted);margin:0}.mini-stack{display:grid;gap:22px}.mini-card{display:grid;grid-template-columns:48px 1fr;gap:15px;padding:23px;border:1px solid var(--line);border-radius:18px;background:var(--soft)}.mini-card .feature-icon{margin:0;width:42px;height:42px}
    .data-band{background:var(--soft);border-top:1px solid #edf3f8;border-bottom:1px solid #edf3f8}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.metric{padding:20px 28px;border-right:1px solid var(--line)}.metric:first-child{padding-left:0}.metric:last-child{border:0}.metric strong{display:block;color:var(--blue);font-size:34px;line-height:1.2}.metric span{color:var(--muted);font-size:14px}
    .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.scene-card{padding:25px;border-radius:18px;background:#fff;border:1px solid var(--line);min-height:190px}.scene-card:nth-child(2){background:#f2f8ff}.scene-card:nth-child(3){background:#102e52;color:#fff}.scene-card h3{margin:13px 0 8px;font-size:20px}.scene-card p{margin:0;color:var(--muted);font-size:14px}.scene-card:nth-child(3) p{color:#c6d7e9}
    .process{background:var(--navy);color:#fff}.process .section-head h2{color:#fff}.process .section-head p{color:#bfd0e2}.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.process-item{padding:22px 20px;border:1px solid rgba(186,216,241,.18);border-radius:17px;background:rgba(255,255,255,.05)}.process-item b{display:block;color:var(--cyan);font-size:28px;margin-bottom:16px}.process-item h3{font-size:17px;margin:0 0 7px}.process-item p{color:#b7cbe0;font-size:14px;margin:0}
    .insight-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:center}.insight-image{border-radius:var(--radius);overflow:hidden}.insight-image img{width:100%;height:300px;object-fit:cover}.insight-list{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:13px}.insight-list li{display:flex;gap:12px;align-items:flex-start;color:#53667c}.insight-list i{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:#e8f8f0;color:#27936a;font-style:normal;font-weight:900;flex:none}
    .faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}.faq-wrap h2{font-size:34px;line-height:1.3;margin-top:10px;color:var(--navy)}.faq-list{display:grid;gap:12px}.faq-item{border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden}.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;border:0;background:#fff;text-align:left;padding:18px 20px;color:var(--ink);font-weight:800}.faq-question:hover{color:var(--blue);background:#f8fbff}.faq-answer{display:none;padding:0 20px 18px;color:var(--muted);font-size:14px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question{color:var(--blue)}
    .cta{padding:70px 0;background:linear-gradient(120deg,#0e4fa9,#1667d9);color:#fff}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:35px}.cta h2{color:#fff;font-size:34px;line-height:1.3;margin:0 0 10px}.cta p{color:#d8e8fb;margin:0}.cta .btn-light{color:var(--blue)}
    .site-footer{background:#071a32;color:#b7c9dc;padding:62px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}.footer-brand{font-size:24px;color:#fff;font-weight:900;margin-bottom:12px}.footer-desc{font-size:14px;max-width:280px;color:#91aac4}.footer-grid h3{color:#fff;font-size:15px;margin:3px 0 14px}.footer-grid a{display:block;color:#9eb4ca;font-size:14px;margin:8px 0}.footer-grid a:hover{color:var(--cyan)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(206,226,244,.14);padding-top:20px;margin-top:40px;font-size:12px}.record-links{display:flex;gap:18px;flex-wrap:wrap;justify-content:flex-end}.record-links a{color:#9eb4ca}.record-links a:hover{color:var(--cyan)}
    :focus-visible{outline:3px solid rgba(96,215,223,.75);outline-offset:3px}
    @media(max-width:1024px){.nav-list a{padding:8px 7px;font-size:13px}.hero-grid{grid-template-columns:1fr 380px;gap:35px}.footer-grid{grid-template-columns:1.3fr 1fr 1fr 1fr}}
    @media(max-width:768px){.container{width:min(100% - 30px,620px)}.menu-toggle{display:block}.nav-wrap{display:none;position:absolute;left:15px;right:15px;top:70px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow)}.nav-wrap.open{display:block}.nav-list{display:block}.nav-list a{padding:11px 13px}.header-action{display:none}.progress-track{overflow-x:auto;min-height:55px}.progress-step{min-width:145px}.hero{padding:60px 0}.hero-grid,.intro-grid,.feature-layout,.insight-grid,.faq-wrap{grid-template-columns:1fr}.score-panel{max-width:520px}.metrics{grid-template-columns:repeat(2,1fr)}.metric{border-bottom:1px solid var(--line);padding:18px 15px}.metric:first-child{padding-left:15px}.metric:nth-child(2){border-right:0}.scene-grid{grid-template-columns:1fr}.process-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.record-links{justify-content:flex-start;margin-top:12px}}
    @media(max-width:520px){.section{padding:64px 0}.hero h1{font-size:39px}.hero .lead{font-size:16px}.hero-actions .btn{width:100%}.hero-points{gap:14px}.score-row{grid-template-columns:1fr 60px 1fr}.feature-card{padding:23px}.process-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:22px}.footer-grid>div:first-child{grid-column:1/-1}.cta-box{display:block}.cta .btn{margin-top:22px;width:100%}}

/* roulang page: category1 */
:root{--navy:#081d38;--navy2:#102e52;--blue:#1667d9;--blue2:#3c8df5;--cyan:#60d7df;--sky:#edf5ff;--paper:#fff;--ink:#132238;--muted:#65758b;--line:#dce6f1;--soft:#f5f8fc;--gold:#f6bd56;--green:#39b982;--radius:22px;--sm:14px;--shadow:0 18px 50px rgba(19,53,94,.1);--lg:0 28px 70px rgba(7,34,69,.18);--ease:all .28s ease}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;line-height:1.8;font-size:16px;overflow-x:hidden}a{color:inherit;text-decoration:none;transition:var(--ease)}img{max-width:100%;height:auto;display:block}button{font:inherit;cursor:pointer}.container{width:min(1180px,calc(100% - 40px));margin:auto}.section{padding:88px 0}.section.compact{padding:60px 0}.section-head{max-width:730px;margin-bottom:38px}.section-head.center{text-align:center;margin-left:auto;margin-right:auto}.section-head h2{margin:0 0 12px;font-size:clamp(28px,4vw,42px);line-height:1.25;color:var(--navy)}.section-head p{margin:0;color:var(--muted);font-size:17px}.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:13px}.eyebrow:before{content:"";width:28px;height:3px;border-radius:3px;background:var(--cyan)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border:1px solid transparent;border-radius:12px;font-weight:800;font-size:15px;transition:var(--ease)}.btn-primary{color:#fff;background:var(--blue);box-shadow:0 10px 22px rgba(22,103,217,.24)}.btn-primary:hover{background:#0d55bb;transform:translateY(-2px)}.btn-light{color:var(--navy);background:#fff;border-color:#d7e5f4}.btn-light:hover{color:var(--blue);border-color:var(--blue);transform:translateY(-2px)}.btn-ghost{color:var(--blue);border-color:#bad2ef;background:transparent}.btn-ghost:hover{background:var(--sky)}.tag,.pill{display:inline-flex;border-radius:999px;padding:5px 11px;font-size:12px;font-weight:800;line-height:1.5}.tag{color:var(--blue);background:#eaf3ff}.pill{color:#287454;background:#e8f8f0}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.93);border-bottom:1px solid rgba(220,230,241,.8);backdrop-filter:blur(16px)}.topbar{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:11px;font-size:21px;font-weight:900;color:var(--navy);white-space:nowrap}.brand-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--blue),var(--navy));font-weight:900}.nav-wrap{display:flex;align-items:center;gap:16px}.nav-list{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}.nav-list a{display:block;padding:9px 10px;border-radius:9px;color:#52647b;font-size:14px;font-weight:700}.nav-list a:hover,.nav-list a.active{color:var(--blue);background:#eef5ff}.menu-toggle{display:none;border:0;background:transparent;color:var(--navy);font-size:25px}.progress-bar{background:#f7faff;border-top:1px solid #edf3f9}.progress-track{display:flex;align-items:center;justify-content:center;gap:0;min-height:49px}.progress-step{position:relative;display:flex;align-items:center;gap:8px;color:#8090a3;font-size:13px;font-weight:700;padding:0 30px}.progress-step:not(:last-child):after{content:"";position:absolute;right:-1px;width:23px;height:1px;background:#cedbea}.progress-step.active{color:var(--blue)}.step-number{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:#e2edf9;color:var(--blue);font-size:11px}.progress-step.active .step-number{background:var(--blue);color:#fff}
.page-hero{padding:72px 0 76px;background:linear-gradient(90deg,rgba(6,26,52,.96),rgba(8,29,56,.78)),url("/assets/images/backpic/back-2.webp") center/cover;color:#fff}.page-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}.page-hero h1{font-size:clamp(38px,5vw,62px);line-height:1.15;margin:8px 0 18px}.page-hero h1 span{color:var(--cyan)}.page-hero p{max-width:650px;color:#d4e2ef;font-size:18px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.matrix-item{min-height:108px;padding:18px;border:1px solid rgba(177,216,246,.25);background:rgba(255,255,255,.1);border-radius:16px;display:flex;flex-direction:column;justify-content:space-between}.matrix-item b{font-size:27px;color:var(--cyan)}.matrix-item small{color:#d4e3f2}.status-bar{margin-top:15px;padding:13px 16px;border-radius:12px;background:rgba(12,48,84,.72);color:#c8d9e9;font-size:13px;display:flex;justify-content:space-between}.status-dot{color:#70e1a7}
.service-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:28px}.service-main{padding:34px;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);background:#fff}.service-main h3{font-size:25px;margin:0 0 12px;color:var(--navy)}.service-main p{color:var(--muted)}.service-points{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}.point{padding:18px;background:var(--soft);border-radius:14px}.point strong{display:block;color:var(--navy);margin-bottom:5px}.point span{font-size:14px;color:var(--muted)}.service-side{padding:30px;border-radius:var(--radius);background:var(--navy);color:#fff}.service-side h3{margin-top:0}.service-side ul{list-style:none;padding:0;margin:20px 0 0}.service-side li{padding:13px 0;border-bottom:1px solid rgba(255,255,255,.12);color:#c9d8e8}.service-side li:before{content:"✓";color:var(--cyan);font-weight:900;margin-right:10px}
.metric-band{background:var(--sky)}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#cbdced;border:1px solid #cbdced}.metric{background:#fff;padding:28px 24px}.metric b{display:block;font-size:36px;color:var(--blue);line-height:1.2}.metric span{color:var(--muted);font-size:14px}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.scene{padding:26px;border:1px solid var(--line);border-radius:18px;background:#fff;transition:var(--ease)}.scene:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#bad4f0}.scene .icon{width:44px;height:44px;border-radius:13px;background:#eaf3ff;color:var(--blue);display:grid;place-items:center;font-size:21px;font-weight:900;margin-bottom:18px}.scene h3{margin:0 0 8px;font-size:19px}.scene p{margin:0;color:var(--muted);font-size:14px}
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center}.photo-card{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--lg)}.photo-card img{width:100%;height:390px;object-fit:cover}.photo-label{position:absolute;left:20px;bottom:20px;padding:13px 17px;background:rgba(8,29,56,.86);color:#fff;border-radius:12px;font-size:14px}.step-list{display:grid;gap:18px}.flow-step{display:grid;grid-template-columns:46px 1fr;gap:16px}.flow-no{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:#fff;font-weight:900}.flow-step h3{margin:0 0 3px;font-size:18px}.flow-step p{margin:0;color:var(--muted);font-size:14px}
.dark-panel{background:var(--navy);color:#fff}.dark-panel h2{color:#fff}.dark-panel .section-head p{color:#b9cce0}.focus-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.focus-card{padding:26px;border-radius:18px;background:#102e52;border:1px solid rgba(255,255,255,.12)}.focus-card h3{color:var(--cyan);margin:0 0 8px}.focus-card p{color:#c7d7e7;margin:0;font-size:14px}
.faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:55px}.faq-list{display:grid;gap:12px}details{border:1px solid var(--line);border-radius:14px;background:#fff;padding:18px 20px}details[open]{box-shadow:0 8px 24px rgba(19,53,94,.07);border-color:#bcd5ef}summary{cursor:pointer;font-weight:800;color:var(--navy)}details p{color:var(--muted);font-size:14px;margin:12px 0 0}
.cta{padding:58px 0;background:linear-gradient(110deg,var(--blue),#124da7);color:#fff}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{margin:0 0 8px;color:#fff;font-size:32px}.cta p{margin:0;color:#d9e8fa}.site-footer{padding:58px 0 24px;background:#071a32;color:#b6c7d9}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-brand{font-size:23px;font-weight:900;color:#fff;margin-bottom:12px}.footer-desc{font-size:14px;max-width:300px}.footer-grid h3{font-size:14px;color:#fff;margin:0 0 13px}.footer-grid a{display:block;font-size:13px;color:#a9bdd2;margin:8px 0}.footer-grid a:hover{color:var(--cyan)}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;font-size:12px}.record-links{display:flex;gap:18px;flex-wrap:wrap;justify-content:flex-end}
:focus-visible{outline:3px solid rgba(96,215,223,.8);outline-offset:3px}
@media(max-width:1024px){.nav-list a{padding:8px 6px;font-size:13px}.header-action{display:none}.page-hero-grid,.service-layout,.split,.faq-grid{grid-template-columns:1fr;gap:35px}.scene-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(100% - 28px,620px)}.section{padding:62px 0}.topbar{min-height:68px}.menu-toggle{display:block}.nav-wrap{display:none;position:absolute;left:14px;right:14px;top:68px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.nav-wrap.open{display:block}.nav-list{display:grid;grid-template-columns:1fr 1fr}.nav-list a{padding:10px}.progress-track{overflow-x:auto;justify-content:flex-start}.progress-step{padding:0 17px;white-space:nowrap}.page-hero{padding:58px 0}.matrix{grid-template-columns:repeat(3,1fr)}.metric-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.record-links{justify-content:flex-start;margin-top:12px}.cta-box{display:block}.cta .btn{margin-top:22px}}
@media(max-width:520px){.page-hero h1{font-size:38px}.matrix-item{min-height:90px;padding:12px}.matrix-item b{font-size:22px}.service-main{padding:23px}.service-points,.scene-grid,.focus-grid{grid-template-columns:1fr}.metric{padding:20px 15px}.metric b{font-size:29px}.photo-card img{height:280px}.footer-grid{grid-template-columns:1fr}.hero-actions .btn{width:100%}}

/* roulang page: category3 */
:root{
      --navy:#081d38;--navy-2:#102e52;--blue:#1667d9;--blue-2:#3c8df5;
      --cyan:#60d7df;--sky:#edf5ff;--paper:#fff;--ink:#132238;--muted:#65758b;
      --line:#dce6f1;--soft:#f5f8fc;--gold:#f6bd56;--success:#39b982;
      --radius:22px;--radius-sm:14px;--shadow:0 18px 50px rgba(19,53,94,.10);
      --shadow-lg:0 28px 70px rgba(7,34,69,.18);--ease:all .28s ease
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    h1,h2,h3,h4,p{margin-top:0}
    h1{font-size:clamp(34px,5vw,62px);line-height:1.18;letter-spacing:-.04em;margin-bottom:20px}
    h2{font-size:clamp(28px,3.5vw,42px);line-height:1.25;letter-spacing:-.03em;margin-bottom:16px}
    h3{font-size:20px;line-height:1.35;margin-bottom:10px}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .section{padding:94px 0;position:relative}
    .section.compact{padding:68px 0}
    .section-head{max-width:720px;margin-bottom:42px}
    .section-head.center{text-align:center;margin-left:auto;margin-right:auto}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:14px}
    .eyebrow:before{content:"";width:28px;height:3px;border-radius:3px;background:var(--cyan)}
    .lead{font-size:18px;line-height:1.9;color:var(--muted)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border:1px solid transparent;border-radius:12px;font-weight:800;font-size:15px;transition:var(--ease)}
    .btn-primary{color:#fff;background:var(--blue);box-shadow:0 10px 22px rgba(22,103,217,.24)}
    .btn-primary:hover{background:#0d55bb;transform:translateY(-2px);box-shadow:0 15px 28px rgba(22,103,217,.3)}
    .btn-light{color:var(--navy);background:#fff;border-color:#d7e5f4}
    .btn-light:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
    .btn-ghost{color:var(--blue);background:transparent;border-color:#bad2ef}
    .btn-ghost:hover{background:var(--sky);border-color:var(--blue)}
    .tag,.pill{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 11px;font-size:12px;font-weight:800;line-height:1.5}
    .tag{color:var(--blue);background:#eaf3ff}.pill{color:#287454;background:#e8f8f0}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);border-bottom:1px solid rgba(220,230,241,.8);backdrop-filter:blur(16px)}
    .topbar{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;font-size:21px;font-weight:900;color:var(--navy);white-space:nowrap}
    .brand-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--blue),var(--navy));font-weight:900}
    .nav-wrap{display:flex;align-items:center;gap:17px}
    .nav-list{display:flex;align-items:center;gap:3px;list-style:none;margin:0;padding:0}
    .nav-list a{display:block;padding:9px 12px;border-radius:9px;color:#52647b;font-size:14px;font-weight:700}
    .nav-list a:hover,.nav-list a.active{color:var(--blue);background:#eef5ff}
    .header-action{white-space:nowrap}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--navy);font-size:25px}
    .progress-bar{border-top:1px solid #eef3f8;background:#fbfdff}
    .progress-track{display:flex;align-items:center;justify-content:center;gap:0}
    .progress-step{display:flex;align-items:center;gap:8px;padding:9px 30px;color:#7b8da2;font-size:12px;font-weight:800;position:relative}
    .progress-step:not(:last-child):after{content:"";position:absolute;right:-1px;width:28px;height:1px;background:#cddbea}
    .progress-step.active{color:var(--blue)}
    .step-number{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:#eaf3ff;color:var(--blue);font-size:11px}
    .progress-step.active .step-number{color:#fff;background:var(--blue)}
    .inner-hero{padding:76px 0 82px;color:#fff;background:linear-gradient(100deg,rgba(7,28,57,.97),rgba(12,55,104,.78)),url("/assets/images/backpic/back-2.webp") center/cover;position:relative;overflow:hidden}
    .inner-hero:after{content:"";position:absolute;right:7%;top:18%;width:230px;height:230px;border:1px solid rgba(96,215,223,.35);border-radius:50%;box-shadow:0 0 0 35px rgba(96,215,223,.06),0 0 0 70px rgba(96,215,223,.04)}
    .inner-hero .container{position:relative;z-index:1}
    .inner-hero .eyebrow{color:var(--cyan)}
    .inner-hero h1{max-width:760px}
    .inner-hero p{max-width:720px;color:#d7e5f3;font-size:18px}
    .crumbs{display:flex;gap:10px;align-items:center;color:#a7c0db;font-size:13px;margin-bottom:27px}
    .crumbs a:hover{color:#fff}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
    .image-card{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);position:relative}
    .image-card img{width:100%;height:380px;object-fit:cover}
    .image-label{position:absolute;left:22px;bottom:20px;background:rgba(8,29,56,.86);color:#fff;border-radius:12px;padding:11px 15px;font-size:13px}
    .feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .feature-card,.calendar-card,.scene-card,.faq-item,.contact-card{border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 8px 25px rgba(27,61,103,.05);transition:var(--ease)}
    .feature-card{padding:25px}
    .feature-card:hover,.calendar-card:hover,.scene-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#b7d2f0}
    .icon-box{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:#eaf3ff;color:var(--blue);font-size:20px;font-weight:900;margin-bottom:17px}
    .feature-card p,.scene-card p,.calendar-card p{font-size:14px;line-height:1.75;color:var(--muted);margin-bottom:0}
    .soft-section{background:var(--soft)}
    .calendar-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:stretch}
    .calendar-card{padding:28px}
    .calendar-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:6px}
    .calendar-head strong{font-size:22px;color:var(--navy)}
    .date-list{display:grid;grid-template-columns:repeat(7,1fr);gap:7px;margin:18px 0 23px}
    .date-item{padding:10px 4px;text-align:center;border-radius:11px;color:var(--muted);font-size:12px}
    .date-item b{display:block;font-size:17px;color:var(--ink)}
    .date-item.current{background:var(--blue);color:#fff}.date-item.current b{color:#fff}
    .fixture{display:grid;grid-template-columns:80px 1fr auto;gap:15px;align-items:center;padding:16px 0;border-bottom:1px solid #edf2f7}
    .fixture:last-child{border-bottom:0}
    .fixture-time{font-weight:900;color:var(--blue)}
    .fixture-name{font-weight:800}.fixture-meta{font-size:12px;color:var(--muted);display:block}
    .score-state{font-size:12px;color:#29815e;background:#eaf8f1;padding:4px 9px;border-radius:99px}
    .side-stat{color:#fff;background:var(--navy);border-radius:var(--radius);padding:32px;display:flex;flex-direction:column;justify-content:space-between;min-height:100%}
    .side-stat h3{font-size:27px;color:#fff}.side-stat p{color:#b9cee5;font-size:14px}
    .stat-number{font-size:56px;line-height:1;color:var(--cyan);font-weight:900;margin:25px 0 8px}
    .stat-line{display:flex;justify-content:space-between;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:13px;color:#c8d7e8}
    .stat-line strong{color:#fff}
    .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .scene-card{padding:27px;min-height:205px}
    .scene-card .tag{margin-bottom:19px}
    .number-list{counter-reset:item;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .number-item{counter-increment:item;padding:25px 25px 25px 73px;position:relative;border-top:3px solid var(--blue);background:#fff;border-radius:0 16px 16px 16px;box-shadow:0 8px 25px rgba(27,61,103,.06)}
    .number-item:before{content:counter(item,decimal-leading-zero);position:absolute;left:24px;top:23px;color:var(--blue);font-weight:900;font-size:22px}
    .number-item p{font-size:14px;color:var(--muted);line-height:1.75;margin:0}
    .split-blue{background:var(--navy);color:#fff}
    .split-blue .section-head p{color:#b9cee5}
    .story-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;align-items:center}
    .story-grid img{height:330px;width:100%;object-fit:cover;border-radius:var(--radius)}
    .story-copy p{color:#c8d8e9}
    .check-list{list-style:none;padding:0;margin:25px 0 0;display:grid;gap:13px}
    .check-list li{color:#d5e3ef;font-size:14px}.check-list li:before{content:"✓";color:var(--cyan);font-weight:900;margin-right:10px}
    .faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
    .faq-item{padding:21px 24px}.faq-item summary{cursor:pointer;font-weight:900;list-style:none;padding-right:30px;position:relative}
    .faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";position:absolute;right:0;color:var(--blue);font-size:23px;top:-5px}
    .faq-item[open] summary:after{content:"−"}.faq-answer{color:var(--muted);font-size:14px;padding-top:13px;line-height:1.8}
    .cta{padding:62px 0;background:linear-gradient(110deg,#eaf4ff,#f7fbff);border-top:1px solid #dceaf8;border-bottom:1px solid #dceaf8}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{margin-bottom:8px}.cta p{color:var(--muted);margin:0}
    .site-footer{background:#071a32;color:#d3dfed;padding:64px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:38px;padding-bottom:45px}
    .footer-brand{font-size:23px;font-weight:900;color:#fff;margin-bottom:13px}.footer-desc{font-size:14px;color:#9fb4ca;max-width:285px}
    .site-footer h3{font-size:14px;color:#fff;margin-bottom:16px}.site-footer a{display:block;font-size:13px;color:#9fb4ca;margin:9px 0}.site-footer a:hover{color:var(--cyan)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#8fa7c0}
    .record-links{display:flex;gap:17px;flex-wrap:wrap;justify-content:flex-end}.record-links a{display:inline;margin:0}
    :focus-visible{outline:3px solid rgba(96,215,223,.75);outline-offset:3px}
    @media(max-width:1024px){.nav-list a{padding:8px 7px;font-size:13px}.header-action{display:none}.hero-grid,.intro-grid,.calendar-layout,.story-grid{gap:32px}.container{width:min(100% - 32px,1180px)}}
    @media(max-width:768px){
      .menu-toggle{display:block;order:3}.nav-wrap{display:none;position:absolute;left:16px;right:16px;top:72px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow)}
      .nav-wrap.open{display:block}.nav-list{display:block}.nav-list a{padding:11px 13px}.topbar{min-height:70px}.progress-step{padding:9px 10px;font-size:11px}.progress-step:not(:last-child):after{width:10px}
      .hero-grid,.intro-grid,.calendar-layout,.story-grid{grid-template-columns:1fr}.feature-grid,.scene-grid,.number-list{grid-template-columns:1fr 1fr}.section{padding:70px 0}.inner-hero{padding:60px 0 65px}.image-card img{height:300px}
      .cta-inner{display:block}.cta .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      h1{font-size:35px}.lead{font-size:16px}.container{width:calc(100% - 28px)}.progress-track{overflow-x:auto;justify-content:flex-start}.progress-step{white-space:nowrap;padding:8px 12px}
      .feature-grid,.scene-grid,.number-list{grid-template-columns:1fr}.date-list{gap:2px}.date-item{padding:8px 1px;font-size:10px}.date-item b{font-size:15px}
      .fixture{grid-template-columns:58px 1fr;gap:9px}.score-state{grid-column:2;justify-self:start}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.record-links{justify-content:flex-start;margin-top:12px;display:block}.record-links span,.record-links a{display:block;margin:6px 0}
    }

/* roulang page: category4 */
:root{
      --navy:#081d38;--navy-2:#102e52;--blue:#1667d9;--blue-2:#3c8df5;
      --cyan:#60d7df;--sky:#edf5ff;--paper:#fff;--ink:#132238;--muted:#65758b;
      --line:#dce6f1;--soft:#f5f8fc;--gold:#f6bd56;--success:#39b982;
      --radius:22px;--radius-sm:14px;--shadow:0 18px 50px rgba(19,53,94,.10);
      --shadow-lg:0 28px 70px rgba(7,34,69,.18);--ease:all .28s ease
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;line-height:1.8;font-size:16px;overflow-x:hidden}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea{font:inherit}button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .section{padding:88px 0;position:relative}.section.compact{padding:62px 0}
    .section-head{max-width:730px;margin-bottom:38px}.section-head.center{text-align:center;margin-left:auto;margin-right:auto}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:13px}
    .eyebrow:before{content:"";width:28px;height:3px;border-radius:3px;background:var(--cyan)}
    h1,h2,h3,h4{color:var(--navy);line-height:1.25;margin-top:0;font-weight:900}
    h1{font-size:clamp(38px,5vw,64px);letter-spacing:-.04em;margin-bottom:20px}
    h2{font-size:clamp(28px,3.3vw,42px);margin-bottom:15px}
    h3{font-size:20px;margin-bottom:10px}.lead{font-size:18px;line-height:1.9;color:var(--muted)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border:1px solid transparent;border-radius:12px;font-weight:800;font-size:15px;transition:var(--ease)}
    .btn-primary{color:#fff;background:var(--blue);box-shadow:0 10px 22px rgba(22,103,217,.24)}
    .btn-primary:hover{background:#0d55bb;transform:translateY(-2px);box-shadow:0 15px 28px rgba(22,103,217,.3)}
    .btn-light{color:var(--navy);background:#fff;border-color:#d7e5f4}.btn-light:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
    .btn-ghost{color:var(--blue);background:transparent;border-color:#bad2ef}.btn-ghost:hover{background:var(--sky);border-color:var(--blue)}
    .tag,.pill{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 11px;font-size:12px;font-weight:800;line-height:1.5}
    .tag{color:var(--blue);background:#eaf3ff}.pill{color:#287454;background:#e8f8f0}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.93);border-bottom:1px solid rgba(220,230,241,.8);backdrop-filter:blur(16px)}
    .topbar{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;font-size:21px;font-weight:900;color:var(--navy);white-space:nowrap}
    .brand-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--blue),var(--navy));font-weight:900}
    .nav-wrap{display:flex;align-items:center;gap:17px}.nav-list{display:flex;align-items:center;gap:3px;list-style:none;margin:0;padding:0}
    .nav-list a{display:block;padding:9px 12px;border-radius:9px;color:#52647b;font-size:14px;font-weight:700}
    .nav-list a:hover,.nav-list a.active{color:var(--blue);background:#eef5ff}
    .header-action{white-space:nowrap}.menu-toggle{display:none;border:0;background:transparent;color:var(--navy);font-size:25px}
    .progress-bar{border-top:1px solid #eef3f8;background:#fbfdff}.progress-track{display:flex;gap:30px;min-height:46px;align-items:center}
    .progress-step{font-size:12px;color:#71849a;font-weight:800}.progress-step.active{color:var(--blue)}
    .step-number{display:inline-grid;place-items:center;width:22px;height:22px;margin-right:7px;border-radius:50%;background:#e5eef9;color:var(--blue);font-size:11px}
    .progress-step.active .step-number{background:var(--blue);color:#fff}
    .inner-hero{padding:75px 0 68px;color:#fff;background:linear-gradient(100deg,rgba(6,26,52,.97),rgba(8,29,56,.78)),url("/assets/images/backpic/back-2.webp") center/cover;position:relative;overflow:hidden}
    .inner-hero:after{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(96,215,223,.23);border-radius:50%;right:-80px;top:-180px;box-shadow:0 0 0 55px rgba(96,215,223,.04),0 0 0 110px rgba(96,215,223,.03)}
    .inner-hero .container{position:relative;z-index:1}.inner-hero h1{color:#fff;max-width:760px}.inner-hero h1 span{color:var(--cyan)}
    .inner-hero .lead{color:#d2e1ef;max-width:700px;margin-bottom:25px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:55px;align-items:center}
    .photo-card{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);background:var(--navy);position:relative}
    .photo-card img{width:100%;height:365px;object-fit:cover;opacity:.9}.photo-caption{padding:17px 22px;color:#d7e6f4;font-size:14px}
    .check-list{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:15px}.check-list li{display:grid;grid-template-columns:30px 1fr;gap:12px;color:#506379}
    .check-list b{display:block;color:var(--ink);margin-bottom:2px}.check-icon{width:27px;height:27px;border-radius:9px;background:#e8f5ff;color:var(--blue);display:grid;place-items:center;font-weight:900}
    .module-section{background:var(--soft)}.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .module-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px;min-height:205px;box-shadow:0 8px 24px rgba(27,61,103,.045);transition:var(--ease)}
    .module-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#b8d3f1}.module-card .icon{font-size:27px;margin-bottom:12px}
    .module-card p,.feature-copy p{color:var(--muted);font-size:14px;margin-bottom:0}.module-card .tag{margin-bottom:14px}
    .data-band{background:var(--navy);color:#fff}.data-band h2,.data-band h3{color:#fff}.data-band .lead{color:#bbcee1}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.12);border-radius:18px;overflow:hidden;margin-top:33px}
    .metric{padding:25px 22px;background:rgba(255,255,255,.035)}.metric strong{display:block;color:var(--cyan);font-size:32px;line-height:1.2}.metric span{color:#b5c9dd;font-size:13px}
    .feature-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:62px;align-items:center}.feature-copy{padding-left:15px}
    .feature-copy p{font-size:16px;line-height:1.9}.feature-points{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:25px}
    .feature-point{border-left:3px solid var(--cyan);padding:4px 0 4px 15px}.feature-point strong{display:block;color:var(--navy)}.feature-point small{color:var(--muted)}
    .table-panel{border:1px solid var(--line);border-radius:20px;padding:18px;background:#fff;box-shadow:var(--shadow)}
    .table-head,.table-line{display:grid;grid-template-columns:1.5fr .8fr .8fr .8fr;gap:12px;align-items:center;padding:14px 12px}
    .table-head{font-size:12px;color:#7a8da2;background:#f3f7fb;border-radius:10px}.table-line{border-bottom:1px solid #edf2f7;font-size:14px}.table-line:last-child{border-bottom:0}
    .team-dot{display:inline-flex;align-items:center;gap:9px;font-weight:800}.dot{width:10px;height:10px;background:var(--blue);border-radius:50%}
    .scene-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}.scene-main{padding:34px;border-radius:var(--radius);background:#eaf4ff}
    .scene-main h3{font-size:28px}.scene-main p{color:#536a82;max-width:620px}.scene-side{display:grid;gap:20px}.scene-side article{padding:24px;border:1px solid var(--line);border-radius:18px;background:#fff}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.process-item{position:relative;padding:23px;border:1px solid var(--line);border-radius:16px;background:#fff}
    .process-item:not(:last-child):after{content:"→";position:absolute;right:-17px;top:37px;color:var(--blue);font-weight:900;z-index:2}.process-num{color:var(--blue);font-size:13px;font-weight:900;margin-bottom:15px}
    .proof-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.quote-card{padding:31px;border-radius:20px;background:linear-gradient(135deg,#f4f9ff,#fff);border:1px solid var(--line)}
    .quote-card p{font-size:18px;line-height:1.9;margin:0 0 20px}.quote-card footer{color:var(--muted);font-size:13px}
    .faq-list{display:grid;gap:12px;max-width:850px;margin:auto}.faq-list details{border:1px solid var(--line);border-radius:14px;background:#fff;padding:18px 22px;box-shadow:0 5px 17px rgba(27,61,103,.04)}
    .faq-list summary{cursor:pointer;font-weight:800;color:var(--navy);list-style:none;position:relative;padding-right:30px}.faq-list summary:after{content:"＋";position:absolute;right:0;color:var(--blue)}.faq-list details[open] summary:after{content:"－"}.faq-list details p{color:var(--muted);font-size:14px;margin:12px 0 0}
    .cta{padding:70px 0;background:var(--sky)}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:38px 45px;background:var(--navy);border-radius:24px;color:#fff;box-shadow:var(--shadow-lg)}.cta-box h2{color:#fff;margin-bottom:8px}.cta-box p{color:#c4d5e6;margin:0;max-width:620px}
    .site-footer{background:#06172d;color:#aebfd1;padding:58px 0 20px}.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1fr;gap:35px}.footer-brand{font-size:22px;font-weight:900;color:#fff;margin-bottom:12px}.footer-desc{font-size:14px;max-width:300px;line-height:1.8}.site-footer h3{font-size:14px;color:#fff;margin:0 0 15px}.site-footer a{display:block;font-size:13px;margin:9px 0;color:#aebfd1}.site-footer a:hover{color:var(--cyan)}.footer-bottom{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:19px;font-size:12px}.record-links{display:flex;gap:16px;flex-wrap:wrap}
    :focus-visible{outline:3px solid rgba(96,215,223,.75);outline-offset:3px}
    @media(max-width:1024px){.nav-list a{padding-left:8px;padding-right:8px}.hero-grid{gap:35px}.intro-grid,.feature-grid{gap:35px}}
    @media(max-width:768px){.topbar{min-height:68px}.menu-toggle{display:block;order:2}.nav-wrap{display:none;position:absolute;left:20px;right:20px;top:68px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.nav-wrap.open{display:block}.nav-list{display:grid;gap:3px}.header-action{display:none}.progress-track{overflow-x:auto;gap:20px;white-space:nowrap}.inner-hero{padding:62px 0}.intro-grid,.feature-grid,.scene-grid,.proof-grid{grid-template-columns:1fr}.module-grid{grid-template-columns:1fr 1fr}.metric-grid{grid-template-columns:1fr 1fr}.process{grid-template-columns:1fr 1fr}.process-item:not(:last-child):after{display:none}.feature-copy{padding-left:0}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){.container{width:min(100% - 28px,1180px)}.section{padding:62px 0}.inner-hero h1{font-size:39px}.lead{font-size:16px}.module-grid,.metric-grid,.process,.feature-points{grid-template-columns:1fr}.photo-card img{height:255px}.table-panel{padding:10px;overflow-x:auto}.table-head,.table-line{min-width:470px}.cta-box{padding:28px 23px;display:block}.cta-box .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.record-links{margin-top:10px;display:grid;gap:7px}}

/* roulang page: category5 */
:root{
      --navy:#081d38;
      --navy-2:#102e52;
      --blue:#1667d9;
      --blue-2:#3c8df5;
      --cyan:#60d7df;
      --sky:#edf5ff;
      --paper:#fff;
      --ink:#132238;
      --muted:#65758b;
      --line:#dce6f1;
      --soft:#f5f8fc;
      --gold:#f6bd56;
      --success:#39b982;
      --radius:22px;
      --radius-sm:14px;
      --shadow:0 18px 50px rgba(19,53,94,.10);
      --shadow-lg:0 28px 70px rgba(7,34,69,.18);
      --ease:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;line-height:1.8;font-size:16px;overflow-x:hidden}
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{line-height:1.3;font-weight:900;letter-spacing:-.02em}
    h1{font-size:clamp(36px,5vw,66px)}
    h2{font-size:clamp(28px,3.4vw,44px)}
    h3{font-size:20px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .section{padding:92px 0;position:relative}
    .section.compact{padding:68px 0}
    .section-head{max-width:720px;margin-bottom:42px}
    .section-head.center{margin-left:auto;margin-right:auto;text-align:center}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:14px}
    .eyebrow::before{content:"";width:28px;height:3px;border-radius:3px;background:var(--cyan)}
    .lead{font-size:18px;line-height:1.9;color:var(--muted)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border:1px solid transparent;border-radius:12px;font-weight:800;font-size:15px;transition:var(--ease)}
    .btn-primary{color:#fff;background:var(--blue);box-shadow:0 10px 22px rgba(22,103,217,.24)}
    .btn-primary:hover{background:#0d55bb;transform:translateY(-2px);box-shadow:0 15px 28px rgba(22,103,217,.3)}
    .btn-light{color:var(--navy);background:#fff;border-color:#d7e5f4}
    .btn-light:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
    .btn-ghost{color:var(--blue);background:transparent;border-color:#bad2ef}
    .btn-ghost:hover{background:var(--sky);border-color:var(--blue)}
    .tag,.pill{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 11px;font-size:12px;font-weight:800;line-height:1.5}
    .tag{color:var(--blue);background:#eaf3ff}
    .pill{color:#287454;background:#e8f8f0}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);border-bottom:1px solid rgba(220,230,241,.8);backdrop-filter:blur(16px)}
    .topbar{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;font-size:21px;font-weight:900;color:var(--navy);white-space:nowrap}
    .brand-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--blue),var(--navy));font-weight:900}
    .nav-wrap{display:flex;align-items:center;gap:17px}
    .nav-list{display:flex;align-items:center;gap:3px;list-style:none;margin:0;padding:0}
    .nav-list a{display:block;padding:9px 12px;border-radius:9px;color:#52647b;font-size:14px;font-weight:700}
    .nav-list a:hover,.nav-list a.active{color:var(--blue);background:#eef5ff}
    .header-action{white-space:nowrap}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--navy);font-size:25px}
    .progress-bar{background:#f7faff;border-top:1px solid #edf3f9}
    .progress-track{display:flex;align-items:center;gap:30px;min-height:48px}
    .progress-step{display:flex;align-items:center;gap:8px;color:#71829a;font-size:13px;font-weight:800}
    .progress-step:hover,.progress-step.active{color:var(--blue)}
    .step-number{width:23px;height:23px;border-radius:50%;display:grid;place-items:center;background:#e3edf9;color:#5d7695;font-size:11px}
    .progress-step.active .step-number{background:var(--blue);color:#fff}
    .inner-hero{padding:88px 0 82px;color:#fff;background:linear-gradient(90deg,rgba(6,26,52,.97),rgba(8,29,56,.79)),url("/assets/images/backpic/back-2.webp") center/cover;position:relative;overflow:hidden}
    .inner-hero::before{content:"";position:absolute;right:8%;top:25%;width:240px;height:240px;border:1px solid rgba(96,215,223,.3);border-radius:50%;box-shadow:0 0 0 40px rgba(96,215,223,.05),0 0 0 80px rgba(96,215,223,.03)}
    .inner-hero .container{position:relative;z-index:1}
    .inner-hero .eyebrow{color:var(--cyan)}
    .inner-hero h1{max-width:760px;margin-bottom:20px}
    .inner-hero p{max-width:720px;color:#d0e1f2;font-size:18px}
    .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
    .hero-meta .tag{color:#d9f6fa;background:rgba(96,215,223,.14);border:1px solid rgba(96,215,223,.25)}
    .intro-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:58px;align-items:center}
    .intro-image{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);position:relative}
    .intro-image img{width:100%;height:390px;object-fit:cover}
    .image-caption{position:absolute;left:20px;right:20px;bottom:18px;color:#fff;font-size:13px;font-weight:800;padding:12px 15px;border-radius:12px;background:rgba(8,29,56,.78);backdrop-filter:blur(8px)}
    .insight-list{display:grid;gap:15px;margin:28px 0 0;padding:0;list-style:none}
    .insight-list li{display:grid;grid-template-columns:34px 1fr;gap:13px;padding:16px 0;border-bottom:1px solid var(--line)}
    .insight-list li:last-child{border-bottom:0}
    .insight-icon{width:30px;height:30px;display:grid;place-items:center;border-radius:9px;background:#eaf3ff;color:var(--blue);font-weight:900}
    .insight-list strong{display:block;margin-bottom:3px}
    .insight-list span{color:var(--muted);font-size:14px}
    .observation-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
    .observation-card{padding:25px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 8px 25px rgba(27,61,103,.05);transition:var(--ease)}
    .observation-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#b7d2f0}
    .observation-card.large{grid-column:span 7;background:var(--navy);color:#fff}
    .observation-card.medium{grid-column:span 5;background:var(--sky)}
    .observation-card.small{grid-column:span 4}
    .observation-card h3{margin:15px 0 8px}
    .observation-card p{font-size:14px;color:var(--muted);margin-bottom:0}
    .observation-card.large p{color:#c5d7e9}
    .metric-row{display:flex;flex-wrap:wrap;gap:28px;margin-top:25px}
    .metric strong{display:block;font-size:30px;line-height:1;color:var(--cyan)}
    .metric span{font-size:12px;color:#91abc5}
    .data-table{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}
    .data-row{display:grid;grid-template-columns:1.2fr .9fr .9fr .8fr;align-items:center;gap:15px;padding:17px 23px;border-bottom:1px solid var(--line)}
    .data-row:last-child{border-bottom:0}
    .data-row.head{background:var(--navy);color:#fff;font-size:13px;font-weight:800}
    .data-row:not(.head){font-size:14px}
    .data-row:not(.head):hover{background:#f7fbff}
    .trend{color:var(--success);font-weight:900}
    .trend.down{color:#e47b68}
    .note-box{padding:22px 25px;margin-top:18px;border-left:4px solid var(--cyan);background:#f4fbfc;color:#53677d;border-radius:0 14px 14px 0;font-size:14px}
    .split-section{background:var(--soft)}
    .split-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:58px;align-items:start}
    .number-list{display:grid;gap:15px}
    .number-item{display:grid;grid-template-columns:45px 1fr;gap:15px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:15px}
    .number-item b{width:35px;height:35px;display:grid;place-items:center;background:var(--blue);color:#fff;border-radius:10px}
    .number-item strong{display:block}
    .number-item p{margin:3px 0 0;color:var(--muted);font-size:14px}
    .scenario-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .scenario-card{min-height:190px;padding:25px;border-radius:18px;background:#fff;border:1px solid var(--line);position:relative;overflow:hidden}
    .scenario-card img{height:92px;width:100%;object-fit:cover;border-radius:12px;margin-bottom:17px}
    .scenario-card h3{font-size:18px;margin-bottom:7px}
    .scenario-card p{color:var(--muted);font-size:14px;margin:0}
    .workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}
    .workflow-item{padding:28px 24px;min-height:185px;border-right:1px solid var(--line);position:relative}
    .workflow-item:last-child{border-right:0}
    .workflow-item::after{content:"→";position:absolute;right:-12px;top:28px;width:24px;height:24px;text-align:center;background:var(--cyan);color:var(--navy);border-radius:50%;font-weight:900;z-index:2}
    .workflow-item:last-child::after{display:none}
    .workflow-num{font-size:12px;color:var(--blue);font-weight:900;letter-spacing:.12em}
    .workflow-item h3{font-size:18px;margin:17px 0 7px}
    .workflow-item p{font-size:13px;color:var(--muted);margin:0}
    .faq-wrap{max-width:900px;margin:auto}
    details{border-bottom:1px solid var(--line);padding:21px 0}
    summary{cursor:pointer;list-style:none;font-weight:900;font-size:17px;display:flex;justify-content:space-between;gap:20px}
    summary::-webkit-details-marker{display:none}
    summary::after{content:"+";color:var(--blue);font-size:24px;line-height:1}
    details[open] summary::after{content:"−"}
    details p{color:var(--muted);font-size:14px;margin:14px 35px 0 0}
    .cta-section{padding:72px 0;background:var(--navy);color:#fff}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta-box p{color:#b9cde2;max-width:650px;margin:10px 0 0}
    .cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex-shrink:0}
    .site-footer{padding:62px 0 24px;background:#06172d;color:#b5c9dd}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:42px}
    .footer-brand{font-size:23px;color:#fff;font-weight:900;margin-bottom:12px}
    .footer-desc{max-width:310px;font-size:14px;line-height:1.8}
    .site-footer h3{color:#fff;font-size:15px;margin:0 0 14px}
    .site-footer a{display:block;color:#a8bfd5;font-size:14px;margin:8px 0}
    .site-footer a:hover{color:var(--cyan)}
    .footer-bottom{border-top:1px solid rgba(194,220,245,.15);padding-top:20px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#88a3bd}
    .record-links{display:flex;flex-wrap:wrap;gap:16px;justify-content:flex-end}
    :focus-visible{outline:3px solid rgba(96,215,223,.75);outline-offset:3px}
    @media(max-width:1024px){
      .nav-list a{padding:8px 7px;font-size:13px}
      .header-action{display:none}
      .hero-grid,.intro-grid,.split-grid{gap:35px}
      .workflow-item{padding:24px 18px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 30px,620px)}
      .section{padding:68px 0}
      .topbar{min-height:68px}
      .menu-toggle{display:block}
      .nav-wrap{display:none;position:absolute;left:15px;right:15px;top:68px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
      .nav-wrap.open{display:block}
      .nav-list{display:grid;grid-template-columns:1fr 1fr}
      .nav-list a{padding:11px}
      .progress-track{gap:12px;overflow-x:auto;white-space:nowrap}
      .progress-step{font-size:12px}
      .hero-grid,.intro-grid,.split-grid{grid-template-columns:1fr}
      .inner-hero{padding:65px 0}
      .inner-hero h1{font-size:42px}
      .observation-card.large,.observation-card.medium,.observation-card.small{grid-column:span 12}
      .workflow{grid-template-columns:1fr 1fr}
      .workflow-item{border-bottom:1px solid var(--line)}
      .workflow-item:nth-child(2){border-right:0}
      .workflow-item:nth-child(3),.workflow-item:nth-child(4){border-bottom:0}
      .workflow-item::after{display:none}
      .cta-box{display:block}
      .cta-actions{margin-top:25px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-bottom{display:block}
      .record-links{justify-content:flex-start;margin-top:12px}
    }
    @media(max-width:520px){
      h2{font-size:30px}
      .lead{font-size:16px}
      .hero-actions .btn,.cta-actions .btn{width:100%}
      .data-table{overflow-x:auto}
      .data-row{min-width:570px}
      .scenario-grid{grid-template-columns:1fr}
      .workflow{grid-template-columns:1fr}
      .workflow-item:nth-child(3){border-bottom:1px solid var(--line)}
      .workflow-item:nth-child(4){border-bottom:0}
      .footer-grid{grid-template-columns:1fr}
      .inner-hero h1{font-size:35px}
    }

/* roulang page: category6 */
:root{
      --navy:#081d38;
      --navy-2:#102e52;
      --blue:#1667d9;
      --blue-2:#3c8df5;
      --cyan:#60d7df;
      --sky:#edf5ff;
      --paper:#fff;
      --ink:#132238;
      --muted:#65758b;
      --line:#dce6f1;
      --soft:#f5f8fc;
      --gold:#f6bd56;
      --success:#39b982;
      --radius:22px;
      --radius-sm:14px;
      --shadow:0 18px 50px rgba(19,53,94,.10);
      --shadow-lg:0 28px 70px rgba(7,34,69,.18);
      --ease:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;color:var(--ink);background:var(--paper);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      font-size:16px;line-height:1.8;overflow-x:hidden
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    h1,h2,h3,h4,p{margin-top:0}
    h1{font-size:clamp(36px,5vw,64px);line-height:1.15;letter-spacing:-.04em;margin-bottom:22px}
    h2{font-size:clamp(28px,3.3vw,44px);line-height:1.25;letter-spacing:-.025em;margin-bottom:16px}
    h3{font-size:20px;line-height:1.4;margin-bottom:10px}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .section{padding:92px 0;position:relative}
    .section.compact{padding:64px 0}
    .section-head{max-width:730px;margin-bottom:42px}
    .section-head.center{text-align:center;margin-left:auto;margin-right:auto}
    .section-head p{color:var(--muted);font-size:17px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:9px;color:var(--blue);
      font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:14px
    }
    .eyebrow:before{content:"";width:28px;height:3px;border-radius:3px;background:var(--cyan)}
    .lead{font-size:18px;line-height:1.9}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:48px;padding:0 22px;border:1px solid transparent;border-radius:12px;
      font-size:15px;font-weight:800;transition:var(--ease)
    }
    .btn-primary{color:#fff;background:var(--blue);box-shadow:0 10px 22px rgba(22,103,217,.24)}
    .btn-primary:hover{color:#fff;background:#0d55bb;transform:translateY(-2px);box-shadow:0 15px 28px rgba(22,103,217,.3)}
    .btn-light{color:var(--navy);background:#fff;border-color:#d7e5f4}
    .btn-light:hover{color:var(--blue);border-color:var(--blue);transform:translateY(-2px)}
    .btn-ghost{color:var(--blue);background:transparent;border-color:#bad2ef}
    .btn-ghost:hover{background:var(--sky);border-color:var(--blue)}
    .tag,.pill{
      display:inline-flex;align-items:center;gap:6px;border-radius:999px;
      padding:5px 11px;font-size:12px;font-weight:800;line-height:1.5
    }
    .tag{color:var(--blue);background:#eaf3ff}
    .pill{color:#287454;background:#e8f8f0}
    .site-header{
      position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);
      border-bottom:1px solid rgba(220,230,241,.8);backdrop-filter:blur(16px)
    }
    .topbar{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;font-size:21px;font-weight:900;color:var(--navy);white-space:nowrap}
    .brand-mark{
      width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
      color:#fff;background:linear-gradient(135deg,var(--blue),var(--navy));font-weight:900
    }
    .nav-wrap{display:flex;align-items:center;gap:17px}
    .nav-list{display:flex;align-items:center;gap:3px;list-style:none;margin:0;padding:0}
    .nav-list a{display:block;padding:9px 12px;border-radius:9px;color:#52647b;font-size:14px;font-weight:700}
    .nav-list a:hover,.nav-list a.active{color:var(--blue);background:#eef5ff}
    .header-action{white-space:nowrap}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--navy);font-size:25px}
    .progress-bar{border-top:1px solid #eef3f8;background:#fbfdff}
    .progress-track{display:flex;align-items:center;gap:30px;min-height:48px}
    .progress-step{display:flex;align-items:center;gap:8px;color:#7a8ba0;font-size:13px;font-weight:700}
    .progress-step:hover,.progress-step.active{color:var(--blue)}
    .step-number{width:23px;height:23px;border-radius:50%;display:grid;place-items:center;background:#e7eef7;font-size:12px}
    .progress-step.active .step-number{color:#fff;background:var(--blue)}
    .page-hero{
      padding:82px 0 96px;color:#fff;position:relative;overflow:hidden;
      background:linear-gradient(90deg,rgba(6,26,52,.98),rgba(8,29,56,.78)),
      url("/assets/images/backpic/back-2.webp") center/cover no-repeat
    }
    .page-hero:after{content:"";position:absolute;width:480px;height:480px;right:-130px;top:-180px;border:1px solid rgba(96,215,223,.25);border-radius:50%;box-shadow:0 0 0 65px rgba(96,215,223,.04),0 0 0 130px rgba(96,215,223,.03)}
    .hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:54px;align-items:center;position:relative;z-index:1}
    .page-hero h1{max-width:570px}
    .page-hero h1 span{color:var(--cyan)}
    .page-hero .lead{max-width:570px;color:#d3e2f1;margin-bottom:28px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .hero-kpis{display:flex;gap:28px;margin-top:30px}
    .hero-kpis strong{display:block;color:#fff;font-size:27px;line-height:1.25}
    .hero-kpis span{color:#9fb8d0;font-size:13px}
    .hero-visual{position:relative;transform:translate(18px,14px)}
    .hero-visual img{width:100%;height:390px;object-fit:cover;border-radius:26px;box-shadow:var(--shadow-lg);border:8px solid rgba(255,255,255,.12)}
    .floating-card{
      position:absolute;left:-28px;bottom:-28px;width:240px;padding:18px;border-radius:16px;
      background:#fff;color:var(--ink);box-shadow:var(--shadow-lg)
    }
    .floating-card small{display:block;color:var(--muted);font-size:12px;margin-bottom:5px}
    .floating-card strong{font-size:19px}
    .section-light{background:var(--soft)}
    .intro-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:66px;align-items:center}
    .intro-copy p{color:#53657b}
    .intro-photo{position:relative}
    .intro-photo img{width:100%;height:360px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
    .photo-label{position:absolute;right:22px;top:22px;padding:10px 14px;border-radius:12px;background:rgba(8,29,56,.88);color:#fff;font-size:13px;font-weight:800}
    .feature-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:24px}
    .feature-main,.feature-side{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:0 10px 30px rgba(23,59,101,.06)}
    .feature-main{display:grid;grid-template-columns:1fr 1fr;min-height:350px}
    .feature-main img{width:100%;height:100%;object-fit:cover}
    .feature-content{padding:32px}
    .feature-content p,.feature-side p{color:var(--muted);font-size:14px}
    .feature-side{padding:28px;display:flex;flex-direction:column;justify-content:space-between;background:var(--navy);color:#fff}
    .feature-side p{color:#b9cee2}
    .feature-side .tag{color:var(--cyan);background:rgba(96,215,223,.12)}
    .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .topic-card{
      min-height:205px;padding:25px;border:1px solid var(--line);border-radius:18px;background:#fff;
      box-shadow:0 8px 25px rgba(27,61,103,.05);position:relative;overflow:hidden;transition:var(--ease)
    }
    .topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#b7d2f0}
    .topic-card:after{content:"";position:absolute;right:-30px;bottom:-38px;width:130px;height:130px;border-radius:50%;background:#eff7ff}
    .topic-card h3,.topic-card p,.topic-card .tag{position:relative;z-index:1}
    .topic-card p{font-size:14px;color:var(--muted);line-height:1.75}
    .topic-arrow{position:absolute;right:22px;bottom:16px;color:var(--blue);font-size:22px;z-index:2}
    .data-band{background:var(--navy);color:#fff}
    .data-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:66px;align-items:center}
    .data-band .section-head p{color:#b8cde0}
    .metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .metric{padding:25px;border:1px solid rgba(255,255,255,.13);border-radius:16px;background:rgba(255,255,255,.055)}
    .metric strong{display:block;color:var(--cyan);font-size:34px;line-height:1.2}
    .metric span{color:#c2d2e2;font-size:13px}
    .story-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:58px;align-items:start}
    .story-image img{width:100%;height:410px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
    .story-list{display:grid;gap:15px;margin-top:22px}
    .story-item{display:grid;grid-template-columns:48px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
    .story-item:last-child{border-bottom:0}
    .story-index{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--sky);color:var(--blue);font-weight:900}
    .story-item h3{font-size:17px;margin-bottom:3px}
    .story-item p{margin:0;color:var(--muted);font-size:14px}
    .selection{background:#f8fbff}
    .selection-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .selection-card{padding:25px 20px;border-radius:16px;background:#fff;border:1px solid var(--line)}
    .selection-card b{display:block;font-size:24px;color:var(--blue);margin-bottom:8px}
    .selection-card p{margin:0;color:var(--muted);font-size:14px}
    .quote-box{padding:38px 42px;border-radius:var(--radius);background:linear-gradient(135deg,#eaf4ff,#f7fcff);border:1px solid #cfe3f6}
    .quote-box blockquote{margin:0;color:var(--navy);font-size:25px;line-height:1.55;font-weight:800}
    .quote-box cite{display:block;margin-top:20px;color:var(--muted);font-size:14px;font-style:normal}
    .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .faq-item{border:1px solid var(--line);border-radius:15px;background:#fff;padding:20px 22px}
    .faq-item summary{cursor:pointer;list-style:none;color:var(--navy);font-weight:800;padding-right:25px;position:relative}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"＋";position:absolute;right:0;color:var(--blue);font-size:20px;line-height:1}
    .faq-item[open] summary:after{content:"－"}
    .faq-item p{margin:14px 0 0;color:var(--muted);font-size:14px}
    .cta{
      padding:70px 0;background:linear-gradient(120deg,var(--blue),#0b4ca9);color:#fff
    }
    .cta-layout{display:flex;align-items:center;justify-content:space-between;gap:35px}
    .cta h2{margin-bottom:10px}.cta p{color:#d9e9fb;margin:0;max-width:650px}
    .site-footer{padding:58px 0 24px;background:#071a31;color:#b9cce0}
    .footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px}
    .footer-brand{color:#fff;font-size:22px;font-weight:900;margin-bottom:12px}
    .footer-desc{max-width:300px;margin:0;color:#91a9c0;font-size:14px}
    .site-footer h3{font-size:14px;color:#fff;margin-bottom:13px}
    .site-footer a{display:block;color:#91a9c0;font-size:13px;margin:8px 0}
    .site-footer a:hover{color:var(--cyan)}
    .footer-bottom{display:flex;justify-content:space-between;gap:22px;padding-top:21px;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:#8199b1}
    .record-links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:16px}
    :focus-visible{outline:3px solid rgba(96,215,223,.75);outline-offset:3px}
    @media(max-width:1024px){
      .nav-list a{padding:8px 8px;font-size:13px}
      .hero-grid,.intro-layout,.data-layout,.story-layout{gap:35px}
      .topic-grid{grid-template-columns:repeat(2,1fr)}
      .selection-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(100% - 30px,620px)}
      .topbar{min-height:68px}
      .menu-toggle{display:block;order:2}
      .header-action{display:none}
      .nav-wrap{display:none;position:absolute;left:15px;right:15px;top:68px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
      .nav-wrap.open{display:block}
      .nav-list{display:grid;grid-template-columns:1fr 1fr}
      .nav-list a{padding:10px}
      .progress-track{gap:13px;overflow-x:auto;white-space:nowrap}
      .progress-step{font-size:12px}
      .page-hero{padding:60px 0 75px}
      .hero-grid,.intro-layout,.feature-layout,.data-layout,.story-layout{grid-template-columns:1fr}
      .hero-visual{transform:none;margin-top:15px}
      .hero-visual img{height:310px}
      .floating-card{left:15px;bottom:-22px}
      .section{padding:68px 0}
      .feature-main{grid-template-columns:1fr}
      .feature-main img{height:240px}
      .story-image img{height:300px}
      .faq-list{grid-template-columns:1fr}
      .cta-layout{display:block}
      .cta .btn{margin-top:24px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-bottom{display:block}
      .record-links{justify-content:flex-start;margin-top:12px}
    }
    @media(max-width:520px){
      h1{font-size:37px}
      h2{font-size:30px}
      .hero-kpis{gap:17px}
      .hero-kpis strong{font-size:22px}
      .topic-grid,.selection-grid,.metric-grid{grid-template-columns:1fr}
      .quote-box{padding:27px 24px}
      .quote-box blockquote{font-size:20px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:22px}
      .footer-grid>div:first-child{grid-column:1/-1}
    }

/* roulang page: category7 */
:root{
      --navy:#081d38;
      --navy-2:#102e52;
      --blue:#1667d9;
      --blue-2:#3c8df5;
      --cyan:#60d7df;
      --sky:#edf5ff;
      --paper:#fff;
      --ink:#132238;
      --muted:#65758b;
      --line:#dce6f1;
      --soft:#f5f8fc;
      --gold:#f6bd56;
      --success:#39b982;
      --radius:22px;
      --radius-sm:14px;
      --shadow:0 18px 50px rgba(19,53,94,.10);
      --shadow-lg:0 28px 70px rgba(7,34,69,.18);
      --ease:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      line-height:1.8;
      font-size:16px;
      overflow-x:hidden;
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{color:var(--navy);font-weight:900;line-height:1.28}
    h1{font-size:clamp(38px,5vw,66px);letter-spacing:-.04em}
    h2{font-size:clamp(28px,3.5vw,43px);letter-spacing:-.03em}
    h3{font-size:20px}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .section{padding:96px 0;position:relative}
    .section.compact{padding:70px 0}
    .section-head{max-width:720px;margin-bottom:42px}
    .section-head.center{margin-left:auto;margin-right:auto;text-align:center}
    .section-head p{color:var(--muted);font-size:17px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:9px;color:var(--blue);
      font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:14px
    }
    .eyebrow::before{content:"";width:28px;height:3px;border-radius:3px;background:var(--cyan)}
    .lead{font-size:18px;line-height:1.9}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:48px;padding:0 22px;border:1px solid transparent;border-radius:12px;
      font-weight:800;font-size:15px;transition:var(--ease)
    }
    .btn-primary{color:#fff;background:var(--blue);box-shadow:0 10px 22px rgba(22,103,217,.24)}
    .btn-primary:hover{background:#0d55bb;transform:translateY(-2px);box-shadow:0 15px 28px rgba(22,103,217,.3)}
    .btn-light{color:var(--navy);background:#fff;border-color:#d7e5f4}
    .btn-light:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
    .btn-ghost{color:var(--blue);background:transparent;border-color:#bad2ef}
    .btn-ghost:hover{background:var(--sky);border-color:var(--blue)}
    .tag,.pill{
      display:inline-flex;align-items:center;gap:6px;border-radius:999px;
      padding:5px 11px;font-size:12px;font-weight:800;line-height:1.5
    }
    .tag{color:var(--blue);background:#eaf3ff}
    .pill{color:#287454;background:#e8f8f0}
    .site-header{
      position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);
      border-bottom:1px solid rgba(220,230,241,.8);backdrop-filter:blur(16px)
    }
    .topbar{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;font-size:21px;font-weight:900;color:var(--navy);white-space:nowrap}
    .brand-mark{
      width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
      color:#fff;background:linear-gradient(135deg,var(--blue),var(--navy));font-weight:900
    }
    .nav-wrap{display:flex;align-items:center;gap:17px}
    .nav-list{display:flex;align-items:center;gap:3px;list-style:none;margin:0;padding:0}
    .nav-list a{
      display:block;padding:9px 12px;border-radius:9px;color:#52647b;font-size:14px;font-weight:700
    }
    .nav-list a:hover,.nav-list a.active{color:var(--blue);background:#eef5ff}
    .header-action{white-space:nowrap}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--navy);font-size:25px}
    .progress-bar{border-top:1px solid #edf2f7;background:#fbfdff}
    .progress-track{display:flex;align-items:center;justify-content:center;gap:0;min-height:50px}
    .progress-step{position:relative;display:flex;align-items:center;gap:8px;color:#78889c;font-size:13px;font-weight:800;padding:0 34px}
    .progress-step:not(:last-child)::after{content:"";position:absolute;right:-1px;width:42px;height:1px;background:#d5e2ef}
    .step-number{width:23px;height:23px;border-radius:50%;display:grid;place-items:center;background:#edf2f8;color:#65758b;font-size:11px}
    .progress-step.active,.progress-step:hover{color:var(--blue)}
    .progress-step.active .step-number{color:#fff;background:var(--blue)}
    .page-hero{
      padding:88px 0 82px;color:#fff;
      background:linear-gradient(100deg,rgba(6,26,52,.97),rgba(8,29,56,.82)),
      url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      position:relative;overflow:hidden
    }
    .page-hero::before{content:"";position:absolute;right:8%;top:15%;width:300px;height:300px;border:1px solid rgba(96,215,223,.28);border-radius:50%;box-shadow:0 0 0 45px rgba(96,215,223,.04),0 0 0 90px rgba(96,215,223,.03)}
    .hero-grid{display:grid;grid-template-columns:1fr .88fr;gap:72px;align-items:center;position:relative;z-index:1}
    .page-hero .eyebrow{color:var(--cyan)}
    .page-hero h1{color:#fff;max-width:680px}
    .page-hero h1 span{color:var(--cyan)}
    .page-hero .lead{color:#d3e1ef;max-width:670px;margin-bottom:28px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .mobile-preview{
      background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
      border-radius:28px;padding:18px;box-shadow:var(--shadow-lg);backdrop-filter:blur(9px)
    }
    .preview-top{display:flex;justify-content:space-between;align-items:center;padding:7px 8px 16px;color:#d9e9f7;font-size:13px}
    .preview-screen{background:#f8fbff;border-radius:20px;padding:18px;color:var(--ink)}
    .preview-brand{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
    .preview-brand strong{font-size:19px;color:var(--navy)}
    .signal{width:9px;height:9px;border-radius:50%;background:var(--success);box-shadow:0 0 0 5px #e1f7ed}
    .preview-score{padding:18px;border-radius:16px;background:linear-gradient(135deg,#eaf4ff,#f5fbff);border:1px solid #d9e8f6;margin-bottom:12px}
    .preview-score small{display:block;color:var(--muted);font-size:11px;margin-bottom:8px}
    .score-line{display:flex;align-items:center;justify-content:space-between;font-weight:900}
    .score-line b{font-size:27px;color:var(--blue)}
    .preview-links{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}
    .preview-link{padding:11px;border-radius:11px;background:#fff;border:1px solid var(--line);font-size:12px;font-weight:800;color:#4d6078}
    .preview-link b{display:block;color:var(--blue);font-size:17px;margin-bottom:2px}
    .trust-strip{border-bottom:1px solid var(--line);background:#fff}
    .trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:25px 0}
    .trust-item{display:flex;align-items:center;gap:12px;color:#44566d;font-size:14px;font-weight:800}
    .trust-icon{width:35px;height:35px;border-radius:11px;display:grid;place-items:center;background:var(--sky);color:var(--blue);font-weight:900}
    .split-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:64px;align-items:center}
    .photo-card{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);position:relative}
    .photo-card img{width:100%;height:430px;object-fit:cover}
    .photo-label{position:absolute;left:22px;bottom:20px;color:#fff;background:rgba(8,29,56,.85);padding:10px 15px;border-radius:11px;font-size:13px;font-weight:800}
    .benefit-list{list-style:none;margin:25px 0 0;padding:0;display:grid;gap:16px}
    .benefit-list li{display:grid;grid-template-columns:34px 1fr;gap:12px;color:#455970}
    .benefit-list strong{display:block;color:var(--ink);margin-bottom:2px}
    .benefit-list .check{width:30px;height:30px;border-radius:9px;background:#e9f7f1;color:#23976b;display:grid;place-items:center;font-weight:900}
    .soft-section{background:var(--soft)}
    .feature-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
    .feature-card,.service-card,.faq-item,.contact-card,.metric-card{
      border:1px solid var(--line);background:#fff;border-radius:var(--radius-sm);box-shadow:0 8px 28px rgba(27,61,103,.05)
    }
    .feature-card{padding:28px;min-height:260px}
    .feature-card.large{grid-row:span 2;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(145deg,#fff,#f0f7ff)}
    .feature-card img{height:185px;width:100%;object-fit:cover;border-radius:15px;margin-top:22px}
    .feature-card h3{margin-bottom:10px}
    .feature-card p,.service-card p{color:var(--muted);font-size:14px}
    .feature-card:hover,.service-card:hover,.metric-card:hover,.faq-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bdd5ef}
    .metric-section{background:var(--navy);color:#fff}
    .metric-section h2,.metric-section h3{color:#fff}
    .metric-section .section-head p{color:#b8cce0}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .metric-card{padding:25px;background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.13);box-shadow:none}
    .metric-card:hover{background:rgba(255,255,255,.11)}
    .metric-value{font-size:35px;font-weight:900;color:var(--cyan);line-height:1.2}
    .metric-card p{color:#bdd0e2;font-size:13px;margin:9px 0 0}
    .service-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:55px;align-items:start}
    .service-intro{position:sticky;top:125px}
    .service-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .service-card{padding:23px;min-height:190px;transition:var(--ease)}
    .service-number{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
    .service-number span{width:31px;height:31px;border-radius:9px;display:grid;place-items:center;color:var(--blue);background:#eaf3ff;font-weight:900}
    .service-card a{color:var(--blue);font-size:13px;font-weight:800}
    .steps-section{background:#f7fbff}
    .steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .step-card{padding:24px 26px;border-top:2px solid #cddded;position:relative}
    .step-card:not(:last-child)::after{content:"→";position:absolute;right:-10px;top:17px;color:var(--blue);font-size:22px;font-weight:900}
    .step-card:first-child{border-color:var(--blue)}
    .step-card .step-number{margin-bottom:18px;background:var(--blue);color:#fff}
    .step-card p{color:var(--muted);font-size:14px}
    .story-grid{display:grid;grid-template-columns:.88fr 1.12fr;gap:55px;align-items:center}
    .story-grid img{width:100%;height:350px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
    .quote{padding:23px 25px;border-left:4px solid var(--cyan);background:var(--sky);border-radius:0 15px 15px 0;color:#40566e;margin-top:22px}
    .faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
    .faq-item{padding:21px 24px;transition:var(--ease)}
    .faq-item summary{cursor:pointer;list-style:none;font-weight:900;color:var(--navy);position:relative;padding-right:30px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{content:"＋";position:absolute;right:0;color:var(--blue);font-size:21px;line-height:1}
    .faq-item[open] summary::after{content:"－"}
    .faq-answer{color:var(--muted);font-size:14px;padding-top:13px;max-width:780px}
    .cta{
      padding:66px 0;color:#fff;background:linear-gradient(110deg,var(--blue),#0a4caa);
      position:relative;overflow:hidden
    }
    .cta::after{content:"";position:absolute;right:-90px;top:-170px;width:440px;height:440px;border:1px solid rgba(255,255,255,.2);border-radius:50%;box-shadow:0 0 0 55px rgba(255,255,255,.04)}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:35px;position:relative;z-index:1}
    .cta h2{color:#fff;margin-bottom:10px}
    .cta p{color:#dbeaff;margin:0;max-width:680px}
    .contact-card{padding:26px;background:#fbfdff}
    .contact-form{display:grid;grid-template-columns:1fr 1fr auto;gap:12px;align-items:end}
    label{display:block;font-size:13px;font-weight:800;color:var(--navy);margin-bottom:6px}
    input,textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;background:#fff;color:var(--ink);outline:none}
    input:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(22,103,217,.12)}
    .form-note{color:var(--muted);font-size:12px;margin:13px 0 0}
    .site-footer{background:#071a32;color:#b6c8da;padding:65px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.3fr .85fr .85fr .85fr;gap:42px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.13)}
    .footer-brand{color:#fff;font-size:22px;font-weight:900;margin-bottom:13px}
    .footer-desc{font-size:14px;line-height:1.9;max-width:300px}
    .site-footer h3{color:#fff;font-size:15px;margin-bottom:14px}
    .site-footer a{display:block;color:#a9bdd1;font-size:13px;margin:8px 0}
    .site-footer a:hover{color:var(--cyan)}
    .footer-bottom{display:flex;justify-content:space-between;gap:22px;padding-top:22px;font-size:12px;color:#8ea6bd}
    .record-links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:13px}
    .record-links a{display:inline}
    .reveal{transition:var(--ease)}
    @media(max-width:1024px){
      .nav-list a{padding:8px 8px;font-size:13px}
      .header-action{display:none}
      .hero-grid,.split-grid,.service-layout,.story-grid{gap:35px}
      .progress-step{padding:0 19px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 30px,600px)}
      .section{padding:68px 0}
      .topbar{min-height:68px}
      .menu-toggle{display:block}
      .nav-wrap{display:none;position:absolute;left:15px;right:15px;top:68px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
      .nav-wrap.open{display:block}
      .nav-list{display:grid;grid-template-columns:repeat(2,1fr)}
      .nav-list a{padding:11px}
      .progress-track{overflow-x:auto;justify-content:flex-start;white-space:nowrap}
      .progress-step{padding:0 16px}
      .progress-step:not(:last-child)::after{width:20px}
      .hero-grid,.split-grid,.service-layout,.story-grid{grid-template-columns:1fr}
      .page-hero{padding:65px 0}
      .mobile-preview{max-width:510px;margin:0 auto}
      .trust-grid,.metric-grid{grid-template-columns:repeat(2,1fr)}
      .service-intro{position:static}
      .steps-grid{grid-template-columns:1fr 1fr}
      .step-card:not(:last-child)::after{display:none}
      .cta-inner{display:block}
      .cta .btn{margin-top:23px}
      .contact-form{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .footer-bottom{display:block}
      .record-links{justify-content:flex-start;margin-top:13px}
    }
    @media(max-width:520px){
      h1{font-size:38px}
      .lead{font-size:16px}
      .trust-grid,.metric-grid,.service-list,.steps-grid,.feature-grid{grid-template-columns:1fr}
      .feature-card.large{grid-row:auto}
      .feature-card img{height:170px}
      .preview-links{grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{font-size:11px}
    }