/* roulang page: index */
:root{
      --color-primary:#2563EB;
      --color-primary-dark:#1D4ED8;
      --color-accent:#0EA5E9;
      --color-gold:#F59E0B;
      --color-text:#0F172A;
      --color-muted:#475569;
      --color-soft:#64748B;
      --color-border:#E2E8F0;
      --color-bg:#F8FAFC;
      --color-panel:#FFFFFF;
      --radius-lg:28px;
      --radius-md:20px;
      --shadow-card:0 14px 38px rgba(15,23,42,.08);
      --shadow-blue:0 18px 50px rgba(37,99,235,.12);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      color:var(--color-text);
      background:
        radial-gradient(circle at 10% 8%, rgba(37,99,235,.08), transparent 28%),
        radial-gradient(circle at 86% 18%, rgba(14,165,233,.10), transparent 24%),
        linear-gradient(180deg,#FFFFFF 0%,#F8FAFC 46%,#FFFFFF 100%);
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:#DBEAFE;color:#1E3A8A}
    .site-container{width:100%;max-width:1280px;margin:0 auto;padding-left:32px;padding-right:32px}
    .skip-link{
      position:absolute;left:-999px;top:16px;z-index:1000;background:#fff;color:var(--color-primary);
      padding:10px 14px;border-radius:999px;border:1px solid var(--color-border);box-shadow:var(--shadow-card)
    }
    .skip-link:focus{left:16px}
    .site-header{
      position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);
      backdrop-filter:blur(14px);border-bottom:1px solid rgba(226,232,240,.78)
    }
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.02em;color:#0F172A}
    .brand-mark{
      width:42px;height:42px;border-radius:16px;background:linear-gradient(135deg,#2563EB,#38BDF8);
      display:grid;place-items:center;box-shadow:0 12px 30px rgba(37,99,235,.22);position:relative;overflow:hidden
    }
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:1.6px solid rgba(255,255,255,.75);border-radius:999px}
    .brand-mark:before{width:25px;height:25px}
    .brand-mark:after{width:44px;height:15px;transform:rotate(-28deg)}
    .brand-dot{width:7px;height:7px;border-radius:50%;background:#FBBF24;position:absolute;right:9px;top:10px;z-index:2}
    .brand-text{font-size:20px}
    .desktop-nav{display:flex;align-items:center;gap:6px;padding:6px;border:1px solid rgba(226,232,240,.8);border-radius:999px;background:#fff;box-shadow:0 8px 24px rgba(15,23,42,.04)}
    .nav-link{
      display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 16px;
      border-radius:999px;color:#475569;font-size:15px;font-weight:700;transition:all .22s ease
    }
    .nav-link:hover{color:var(--color-primary);background:#EFF6FF}
    .nav-link.active{color:var(--color-primary);background:#DBEAFE}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .mobile-toggle{
      display:none;width:44px;height:44px;border:1px solid var(--color-border);border-radius:14px;background:#fff;color:#0F172A;
      align-items:center;justify-content:center;transition:all .22s ease
    }
    .mobile-toggle:hover{border-color:#BFDBFE;color:var(--color-primary);box-shadow:0 10px 24px rgba(15,23,42,.08)}
    .mobile-menu{
      display:none;border-top:1px solid var(--color-border);background:#fff;padding:10px 0 16px
    }
    .mobile-menu.open{display:block}
    .mobile-menu a{display:flex;align-items:center;min-height:46px;padding:0 16px;border-radius:14px;margin:4px 0;color:#475569;font-weight:700}
    .mobile-menu a:hover,.mobile-menu a.active{background:#EFF6FF;color:var(--color-primary)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:800;
      padding:12px 20px;min-height:46px;transition:all .22s ease;border:1px solid transparent;white-space:nowrap
    }
    .btn-primary{background:var(--color-primary);color:#fff;box-shadow:0 12px 28px rgba(37,99,235,.20)}
    .btn-primary:hover{background:var(--color-primary-dark);transform:translateY(-1px);box-shadow:0 18px 36px rgba(37,99,235,.26)}
    .btn-secondary{background:#fff;color:#0F172A;border-color:var(--color-border)}
    .btn-secondary:hover{border-color:#93C5FD;color:var(--color-primary);transform:translateY(-1px);box-shadow:0 12px 26px rgba(15,23,42,.08)}
    .btn-text{color:var(--color-primary);font-weight:800;display:inline-flex;gap:6px;align-items:center}
    .btn-text:hover{color:#1E40AF}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
      outline:none;box-shadow:0 0 0 4px rgba(147,197,253,.55)
    }
    .hero{
      position:relative;overflow:hidden;padding:92px 0 58px;background-image:
      linear-gradient(90deg,rgba(255,255,255,.96),rgba(255,255,255,.72)),
      url('/assets/images/backpic/back-1.webp');
      background-size:cover;background-position:center;border-bottom:1px solid rgba(226,232,240,.65)
    }
    .hero:after{
      content:"";position:absolute;inset:auto -120px -180px auto;width:420px;height:420px;
      background:radial-gradient(circle,rgba(37,99,235,.16),transparent 68%);pointer-events:none
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:#EFF6FF;
      color:#1D4ED8;border:1px solid #BFDBFE;font-weight:800;font-size:14px
    }
    .eyebrow .pulse{width:8px;height:8px;border-radius:50%;background:#22C55E;box-shadow:0 0 0 6px rgba(34,197,94,.14)}
    .hero-title{font-size:52px;line-height:1.14;letter-spacing:-.045em;font-weight:950;margin:18px 0 18px;max-width:680px}
    .hero-title span{color:var(--color-primary)}
    .hero-desc{font-size:18px;color:#475569;max-width:650px;line-height:1.85}
    .hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:30px}
    .hero-note{display:flex;align-items:center;gap:10px;color:#64748B;font-size:14px;margin-top:18px}
    .hero-note i{width:20px;height:20px;border-radius:50%;background:#DCFCE7;color:#16A34A;display:grid;place-items:center;font-style:normal;font-weight:900}
    .network-panel{
      border:1px solid rgba(191,219,254,.9);background:rgba(255,255,255,.88);border-radius:32px;
      box-shadow:var(--shadow-blue);padding:22px;position:relative;overflow:hidden
    }
    .network-panel:before{
      content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(37,99,235,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,235,.06) 1px,transparent 1px);
      background-size:28px 28px;mask-image:linear-gradient(180deg,#000,transparent 86%);pointer-events:none
    }
    .panel-top{position:relative;display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:18px}
    .status-pill{display:inline-flex;gap:8px;align-items:center;border-radius:999px;background:#F0FDF4;color:#15803D;border:1px solid #BBF7D0;padding:7px 10px;font-size:13px;font-weight:800}
    .status-pill:before{content:"";width:7px;height:7px;border-radius:50%;background:#22C55E}
    .node-map{position:relative;min-height:310px;border-radius:26px;background:linear-gradient(135deg,#F8FAFC,#EFF6FF);border:1px solid #DBEAFE;overflow:hidden;padding:22px}
    .node{
      position:absolute;background:#fff;border:1px solid #DBEAFE;border-radius:18px;padding:12px 14px;box-shadow:0 12px 24px rgba(37,99,235,.10);
      min-width:128px;transition:all .22s ease
    }
    .node:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(37,99,235,.14)}
    .node strong{display:block;font-size:15px}
    .node small{color:#64748B}
    .node.main{left:50%;top:50%;transform:translate(-50%,-50%);border-color:#93C5FD;background:#fff}
    .node.main:hover{transform:translate(-50%,-52%)}
    .node.n1{left:22px;top:26px}.node.n2{right:22px;top:42px}.node.n3{left:34px;bottom:30px}.node.n4{right:34px;bottom:28px}
    .orbit-line{position:absolute;inset:58px;border:1.5px dashed rgba(37,99,235,.26);border-radius:50%;transform:rotate(-12deg)}
    .float-card{
      position:absolute;right:18px;top:148px;border-radius:18px;background:#fff;border:1px solid #E2E8F0;padding:12px 14px;
      box-shadow:0 14px 32px rgba(15,23,42,.10);z-index:3
    }
    .float-card b{display:block;color:#0F172A}.float-card span{font-size:13px;color:#64748B}
    .section{padding:78px 0}
    .section-tight{padding:54px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:34px}
    .section-kicker{color:var(--color-primary);font-weight:900;font-size:14px;margin-bottom:8px}
    .section-title{font-size:36px;line-height:1.22;letter-spacing:-.035em;font-weight:950;color:#0F172A}
    .section-desc{color:#64748B;max-width:590px;font-size:17px}
    .metric-strip{
      margin-top:-28px;position:relative;z-index:5
    }
    .metric-card{
      background:#fff;border:1px solid rgba(226,232,240,.9);border-radius:24px;padding:22px;box-shadow:var(--shadow-card);
      transition:all .22s ease
    }
    .metric-card:hover{transform:translateY(-2px);border-color:#BFDBFE;box-shadow:var(--shadow-blue)}
    .metric-value{font-size:30px;font-weight:950;color:#1D4ED8;letter-spacing:-.03em}
    .metric-label{color:#64748B;font-size:14px;margin-top:4px}
    .card{
      background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:0 8px 24px rgba(15,23,42,.04);
      transition:all .22s ease;overflow:hidden
    }
    .card:hover{transform:translateY(-2px);border-color:#BFDBFE;box-shadow:var(--shadow-card)}
    .icon-box{
      width:48px;height:48px;border-radius:18px;background:#EFF6FF;color:#2563EB;display:grid;place-items:center;font-weight:950
    }
    .badge{
      display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:#EFF6FF;color:#1D4ED8;
      border:1px solid #BFDBFE;font-size:13px;font-weight:800
    }
    .badge-gold{background:#FFFBEB;color:#B45309;border-color:#FDE68A}
    .steps{position:relative}
    .steps:before{
      content:"";position:absolute;left:15%;right:15%;top:48px;height:2px;background:linear-gradient(90deg,#BFDBFE,#FDE68A,#BFDBFE)
    }
    .step-card{position:relative;padding:26px}
    .step-no{
      width:46px;height:46px;border-radius:50%;background:#2563EB;color:#fff;display:grid;place-items:center;font-weight:950;
      box-shadow:0 12px 28px rgba(37,99,235,.22);position:relative
    }
    .step-no:after{content:"";position:absolute;right:-3px;top:1px;width:12px;height:12px;border-radius:50%;background:#F59E0B;border:2px solid #fff}
    .image-card img{width:100%;height:230px;object-fit:cover}
    .case-feature{
      display:grid;grid-template-columns:1.08fr .92fr;gap:0;overflow:hidden
    }
    .case-feature .case-copy{padding:30px}
    .case-feature img{height:100%;min-height:360px;object-fit:cover}
    .case-row{
      display:flex;gap:16px;padding:18px;border:1px solid var(--color-border);border-radius:22px;background:#fff;transition:all .22s ease
    }
    .case-row:hover{border-color:#BFDBFE;box-shadow:0 12px 26px rgba(15,23,42,.06);transform:translateY(-2px)}
    .case-row .mini-icon{flex:0 0 42px;width:42px;height:42px;border-radius:16px;background:#EFF6FF;color:#2563EB;display:grid;place-items:center;font-weight:950}
    .timeline{
      border:1px solid var(--color-border);border-radius:28px;background:#fff;box-shadow:var(--shadow-card);overflow:hidden
    }
    .timeline-item{display:grid;grid-template-columns:130px 1fr 150px;gap:18px;align-items:center;padding:20px 24px;border-bottom:1px solid #EEF2F7}
    .timeline-item:last-child{border-bottom:0}
    .timeline-time{font-weight:950;color:#1D4ED8}
    .timeline-state{justify-self:end}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px}
    details.faq-item{
      background:#fff;border:1px solid var(--color-border);border-radius:20px;padding:0;overflow:hidden;transition:all .22s ease
    }
    details.faq-item:hover{border-color:#BFDBFE;box-shadow:0 10px 24px rgba(15,23,42,.05)}
    details.faq-item[open]{border-color:#93C5FD;box-shadow:var(--shadow-card)}
    details.faq-item summary{
      list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;cursor:pointer;
      padding:18px 20px;font-weight:900;color:#0F172A
    }
    details.faq-item summary::-webkit-details-marker{display:none}
    details.faq-item summary:after{content:"+";width:28px;height:28px;border-radius:50%;background:#EFF6FF;color:#2563EB;display:grid;place-items:center;font-weight:950;flex:0 0 28px}
    details.faq-item[open] summary:after{content:"−";background:#2563EB;color:#fff}
    .faq-answer{padding:0 20px 20px;color:#64748B}
    .cta-band{
      border-radius:34px;border:1px solid #BFDBFE;background:
      radial-gradient(circle at 16% 20%,rgba(14,165,233,.16),transparent 28%),
      linear-gradient(135deg,#EFF6FF,#FFFFFF 58%,#F8FAFC);
      box-shadow:var(--shadow-blue);padding:38px;position:relative;overflow:hidden
    }
    .cta-band:after{content:"";position:absolute;right:-60px;bottom:-80px;width:230px;height:230px;border-radius:50%;background:rgba(37,99,235,.10)}
    .consult-form{display:grid;gap:12px}
    .field{width:100%;border:1px solid #CBD5E1;border-radius:16px;background:#fff;padding:12px 14px;color:#0F172A;transition:all .22s ease}
    .field:focus{border-color:#60A5FA;box-shadow:0 0 0 4px rgba(147,197,253,.35);outline:none}
    .site-footer{background:#0F172A;color:#CBD5E1;padding:58px 0 28px}
    .footer-title{color:#fff;font-size:20px;font-weight:950}
    .footer-link{display:block;color:#CBD5E1;margin:8px 0;transition:all .22s ease}
    .footer-link:hover{color:#93C5FD;transform:translateX(2px)}
    .footer-bottom{border-top:1px solid rgba(148,163,184,.22);margin-top:34px;padding-top:22px;color:#94A3B8;font-size:14px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
    @media (max-width:1024px){
      .site-container{padding-left:24px;padding-right:24px}
      .desktop-nav,.nav-cta .hide-md{display:none}
      .mobile-toggle{display:flex}
      .hero{padding:72px 0 46px}
      .hero-title{font-size:42px}
      .section-head{display:block}
      .section-desc{margin-top:10px}
      .steps:before{display:none}
      .case-feature{grid-template-columns:1fr}
      .case-feature img{min-height:260px}
      .faq-grid{grid-template-columns:1fr}
      .timeline-item{grid-template-columns:110px 1fr}
      .timeline-state{grid-column:2;justify-self:start}
    }
    @media (max-width:768px){
      .site-container{padding-left:18px;padding-right:18px}
      .nav-wrap{height:68px}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .brand-text{font-size:18px}
      .hero-title{font-size:36px;letter-spacing:-.035em}
      .hero-desc{font-size:16px}
      .hero-actions .btn{width:100%}
      .section{padding:58px 0}
      .section-tight{padding:42px 0}
      .section-title{font-size:29px}
      .node-map{min-height:340px}
      .node{min-width:116px;padding:10px 12px}
      .node.main{left:50%;top:50%}
      .node.n1{left:12px;top:18px}.node.n2{right:12px;top:78px}.node.n3{left:14px;bottom:68px}.node.n4{right:12px;bottom:16px}
      .float-card{display:none}
      .metric-strip{margin-top:0;padding-top:22px}
      .image-card img{height:200px}
      .timeline-item{grid-template-columns:1fr;gap:6px}
      .timeline-state{grid-column:auto}
      .cta-band{padding:26px;border-radius:26px}
      .footer-bottom{display:block}
    }
    @media (max-width:520px){
      .hero-title{font-size:34px}
      .btn{width:100%}
      .section-title{font-size:27px}
      .panel-top{display:block}
      .status-pill{margin-top:10px}
      .case-row{display:block}
      .case-row .mini-icon{margin-bottom:12px}
    }

/* roulang page: category1 */
:root{
      --primary:#2563EB;
      --primary-dark:#1D4ED8;
      --sky:#0EA5E9;
      --gold:#F59E0B;
      --ink:#0F172A;
      --muted:#475569;
      --soft:#64748B;
      --line:#E2E8F0;
      --bg:#F8FAFC;
      --blue-bg:#EFF6FF;
      --white:#FFFFFF;
      --radius-xl:1.25rem;
      --radius-2xl:1.5rem;
      --radius-3xl:2rem;
      --shadow-card:0 14px 42px rgba(15,23,42,.07);
      --shadow-blue:0 20px 60px rgba(37,99,235,.12);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 8% 4%, rgba(14,165,233,.13), transparent 28rem),
        radial-gradient(circle at 88% 12%, rgba(245,158,11,.12), transparent 24rem),
        linear-gradient(180deg,#fff 0%,var(--bg) 45%,#fff 100%);
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(37,99,235,.16)}
    .site-container{
      width:100%;
      max-width:1280px;
      margin:0 auto;
      padding-left:1rem;
      padding-right:1rem;
    }
    @media (min-width:640px){.site-container{padding-left:1.5rem;padding-right:1.5rem}}
    @media (min-width:1024px){.site-container{padding-left:2rem;padding-right:2rem}}

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.92);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(226,232,240,.88);
      box-shadow:0 8px 30px rgba(15,23,42,.04);
    }
    .nav-wrap{
      min-height:74px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:.72rem;
      font-weight:800;
      color:var(--ink);
      letter-spacing:-.02em;
      flex-shrink:0;
    }
    .brand-mark{
      width:40px;
      height:40px;
      border-radius:999px;
      position:relative;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:
        radial-gradient(circle at 68% 25%, var(--gold) 0 8%, transparent 9%),
        linear-gradient(135deg,var(--primary),var(--sky));
      box-shadow:0 12px 28px rgba(37,99,235,.22);
      overflow:hidden;
    }
    .brand-mark:before,.brand-mark:after{
      content:"";
      position:absolute;
      border:1.6px solid rgba(255,255,255,.75);
      border-radius:999px;
    }
    .brand-mark:before{width:27px;height:27px}
    .brand-mark:after{width:48px;height:17px;transform:rotate(-28deg)}
    .brand-dot{
      width:7px;
      height:7px;
      border-radius:999px;
      background:#fff;
      box-shadow:13px 6px 0 rgba(255,255,255,.72),-10px 7px 0 rgba(255,255,255,.62);
      z-index:1;
    }
    .brand-text{font-size:1.22rem;line-height:1}
    .desktop-nav{
      display:none;
      align-items:center;
      justify-content:center;
      gap:.35rem;
      padding:.38rem;
      border:1px solid rgba(226,232,240,.78);
      background:#fff;
      border-radius:999px;
      box-shadow:0 10px 28px rgba(15,23,42,.04);
    }
    @media (min-width:900px){.desktop-nav{display:flex}}
    .nav-link{
      display:inline-flex;
      align-items:center;
      min-height:40px;
      padding:.55rem 1rem;
      border-radius:999px;
      color:#334155;
      font-weight:650;
      font-size:.95rem;
      transition:all .22s ease;
    }
    .nav-link:hover{
      color:var(--primary);
      background:#F1F5F9;
    }
    .nav-link.active{
      color:var(--primary);
      background:var(--blue-bg);
      box-shadow:inset 0 0 0 1px rgba(37,99,235,.10);
    }
    .nav-cta{
      display:flex;
      align-items:center;
      gap:.65rem;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.45rem;
      border-radius:999px;
      min-height:44px;
      padding:.72rem 1.15rem;
      font-weight:750;
      line-height:1;
      transition:all .22s ease;
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn-primary{
      background:var(--primary);
      color:#fff;
      box-shadow:0 14px 30px rgba(37,99,235,.20);
    }
    .btn-primary:hover{
      background:var(--primary-dark);
      transform:translateY(-1px);
      box-shadow:0 18px 40px rgba(37,99,235,.26);
    }
    .btn-secondary{
      background:#fff;
      color:#1E293B;
      border-color:var(--line);
      box-shadow:0 8px 22px rgba(15,23,42,.04);
    }
    .btn-secondary:hover{
      color:var(--primary);
      border-color:rgba(37,99,235,.32);
      transform:translateY(-1px);
    }
    .btn-light{
      background:#fff;
      color:var(--primary);
      border-color:rgba(37,99,235,.16);
    }
    .btn-light:hover{border-color:rgba(37,99,235,.38);box-shadow:var(--shadow-blue)}
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:.25rem;
      color:var(--primary);
      font-weight:760;
      transition:all .2s ease;
    }
    .text-link:hover{color:var(--primary-dark);gap:.45rem}
    .mobile-toggle{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:44px;
      height:44px;
      border-radius:999px;
      border:1px solid var(--line);
      color:#1E293B;
      background:#fff;
      transition:all .22s ease;
    }
    .mobile-toggle:hover{color:var(--primary);border-color:rgba(37,99,235,.28);background:var(--blue-bg)}
    @media (min-width:900px){.mobile-toggle{display:none}}
    .hide-md{display:none}
    @media (min-width:900px){.hide-md{display:inline-flex}}
    .mobile-menu{
      display:none;
      padding:.35rem 0 1rem;
      border-top:1px solid rgba(226,232,240,.65);
    }
    .mobile-menu.open{display:grid;gap:.45rem}
    .mobile-menu a{
      display:flex;
      align-items:center;
      min-height:46px;
      padding:.75rem 1rem;
      border-radius:1rem;
      color:#334155;
      font-weight:700;
      background:#fff;
      border:1px solid transparent;
    }
    .mobile-menu a:hover,.mobile-menu a.active{
      color:var(--primary);
      background:var(--blue-bg);
      border-color:rgba(37,99,235,.12);
    }

    .section{padding:4.5rem 0}
    .section-tight{padding:3.5rem 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.35rem .75rem;
      border-radius:999px;
      background:#EAF4FF;
      color:var(--primary);
      border:1px solid rgba(37,99,235,.12);
      font-weight:800;
      font-size:.86rem;
    }
    .eyebrow:before{
      content:"";
      width:.48rem;
      height:.48rem;
      border-radius:999px;
      background:var(--gold);
      box-shadow:0 0 0 4px rgba(245,158,11,.14);
    }
    .section-title{
      margin-top:1rem;
      font-size:clamp(1.72rem,3.2vw,2.35rem);
      line-height:1.2;
      letter-spacing:-.04em;
      font-weight:900;
      color:var(--ink);
    }
    .section-desc{
      margin-top:.85rem;
      color:var(--muted);
      font-size:1.05rem;
      max-width:46rem;
    }
    .hero{
      position:relative;
      overflow:hidden;
      padding:7.2rem 0 4.8rem;
      background-image:
        linear-gradient(90deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.86) 45%,rgba(239,246,255,.72) 100%),
        url('/assets/images/backpic/back-2.webp');
      background-size:cover;
      background-position:center;
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:0;
      background-image:linear-gradient(rgba(37,99,235,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,235,.055) 1px,transparent 1px);
      background-size:34px 34px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 86%);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:1fr;
      gap:2.2rem;
      align-items:center;
    }
    @media (min-width:1024px){.hero-grid{grid-template-columns:minmax(0,1.02fr) minmax(360px,.78fr);gap:4rem}}
    .hero h1{
      margin:1rem 0 0;
      max-width:13em;
      font-size:clamp(2.15rem,5vw,3.45rem);
      line-height:1.12;
      letter-spacing:-.055em;
      font-weight:950;
    }
    .hero-sub{
      margin-top:1.15rem;
      max-width:42rem;
      color:#334155;
      font-size:1.12rem;
      line-height:1.85;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:.8rem;
      margin-top:1.8rem;
    }
    .hero-tags{
      display:flex;
      flex-wrap:wrap;
      gap:.55rem;
      margin-top:1.4rem;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      border-radius:999px;
      padding:.42rem .75rem;
      font-size:.86rem;
      font-weight:760;
      color:#1E40AF;
      background:#DBEAFE;
      border:1px solid rgba(37,99,235,.12);
    }
    .tag.gold{color:#92400E;background:#FEF3C7;border-color:rgba(245,158,11,.22)}
    .hero-panel{
      border:1px solid rgba(148,163,184,.24);
      background:rgba(255,255,255,.94);
      border-radius:var(--radius-3xl);
      box-shadow:var(--shadow-blue);
      padding:1rem;
      position:relative;
    }
    .hero-panel img{
      width:100%;
      aspect-ratio:16/11;
      object-fit:cover;
      border-radius:1.5rem;
      border:1px solid rgba(226,232,240,.88);
    }
    .status-card{
      margin-top:1rem;
      display:grid;
      gap:.75rem;
    }
    .status-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      padding:.9rem 1rem;
      border-radius:1.2rem;
      background:#F8FAFC;
      border:1px solid rgba(226,232,240,.85);
    }
    .status-row strong{display:block;line-height:1.25}
    .status-row span{color:var(--soft);font-size:.9rem}
    .status-pill{
      flex-shrink:0;
      color:var(--primary);
      background:#EAF4FF;
      border:1px solid rgba(37,99,235,.12);
      font-weight:800;
      border-radius:999px;
      padding:.3rem .66rem;
      font-size:.78rem;
    }

    .card{
      border:1px solid rgba(226,232,240,.92);
      background:#fff;
      border-radius:var(--radius-2xl);
      box-shadow:var(--shadow-card);
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }
    .card:hover{
      transform:translateY(-2px);
      box-shadow:0 22px 60px rgba(15,23,42,.10);
      border-color:rgba(37,99,235,.24);
    }
    .icon-box{
      width:46px;
      height:46px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:1rem;
      background:#EAF4FF;
      color:var(--primary);
      border:1px solid rgba(37,99,235,.10);
    }
    .solution-grid{
      display:grid;
      grid-template-columns:1fr;
      gap:1rem;
    }
    @media (min-width:768px){.solution-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.2rem}}
    @media (min-width:1120px){.solution-grid{grid-template-columns:1.12fr .88fr .88fr}}
    .solution-card{
      padding:1.35rem;
      min-height:100%;
    }
    .solution-card.featured{
      background:linear-gradient(180deg,#EFF6FF 0%,#fff 74%);
      border-color:rgba(37,99,235,.22);
    }
    .solution-card.wide{
      grid-row:span 2;
    }
    .solution-image{
      margin:-.2rem -.2rem 1rem;
      border-radius:1.35rem;
      overflow:hidden;
      border:1px solid rgba(226,232,240,.85);
    }
    .solution-image img{
      width:100%;
      aspect-ratio:16/10;
      object-fit:cover;
    }
    .mini-list{display:grid;gap:.55rem;margin-top:1rem}
    .mini-list li{
      display:flex;
      gap:.55rem;
      color:#475569;
      font-size:.95rem;
    }
    .mini-list li:before{
      content:"";
      width:.42rem;
      height:.42rem;
      border-radius:999px;
      background:var(--sky);
      margin-top:.64rem;
      flex-shrink:0;
    }

    .band{
      background:linear-gradient(180deg,#fff 0%,#F8FAFC 100%);
      border-top:1px solid rgba(226,232,240,.75);
      border-bottom:1px solid rgba(226,232,240,.75);
    }
    .access-layout{
      display:grid;
      grid-template-columns:1fr;
      gap:1.4rem;
      align-items:start;
    }
    @media (min-width:1024px){.access-layout{grid-template-columns:.82fr 1.18fr;gap:2rem}}
    .filter-box{
      position:sticky;
      top:96px;
      padding:1.4rem;
      border-radius:var(--radius-3xl);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-card);
    }
    .filter-chip{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      padding:.82rem .92rem;
      margin-top:.65rem;
      border-radius:1rem;
      background:#F8FAFC;
      border:1px solid rgba(226,232,240,.9);
      color:#334155;
      font-weight:700;
    }
    .filter-chip b{color:var(--primary)}
    .timeline{
      display:grid;
      gap:.9rem;
    }
    .step{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:1rem;
      padding:1.2rem;
      border-radius:var(--radius-2xl);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 12px 32px rgba(15,23,42,.045);
      position:relative;
    }
    .step-num{
      width:42px;
      height:42px;
      border-radius:999px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:var(--primary);
      color:#fff;
      font-weight:900;
      box-shadow:0 10px 24px rgba(37,99,235,.2);
    }
    .step h3,.solution-card h3,.matrix-card h3,.case-card h3{font-size:1.16rem;font-weight:900;line-height:1.35}
    .step p,.solution-card p,.matrix-card p,.case-card p{margin-top:.45rem;color:var(--muted)}

    .matrix{
      display:grid;
      grid-template-columns:1fr;
      gap:1rem;
    }
    @media (min-width:768px){.matrix{grid-template-columns:repeat(3,minmax(0,1fr))}}
    .matrix-card{
      padding:1.25rem;
      border-radius:var(--radius-2xl);
      border:1px solid var(--line);
      background:#fff;
      box-shadow:var(--shadow-card);
    }
    .matrix-card .topline{
      height:4px;
      width:54px;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--sky));
      margin-bottom:1rem;
    }

    .case-wrap{
      display:grid;
      grid-template-columns:1fr;
      gap:1.2rem;
      align-items:stretch;
    }
    @media (min-width:1024px){.case-wrap{grid-template-columns:1.05fr .95fr}}
    .case-card{
      overflow:hidden;
      border-radius:var(--radius-3xl);
      border:1px solid var(--line);
      background:#fff;
      box-shadow:var(--shadow-card);
    }
    .case-card img{
      width:100%;
      aspect-ratio:16/9;
      object-fit:cover;
    }
    .case-content{padding:1.35rem}
    .proof-list{display:grid;gap:.9rem}
    .proof-item{
      padding:1.1rem;
      border-radius:1.35rem;
      border:1px solid var(--line);
      background:#fff;
      box-shadow:0 10px 28px rgba(15,23,42,.045);
    }
    .proof-item:hover{border-color:rgba(37,99,235,.24)}
    .proof-item strong{display:block;font-size:1.02rem}
    .proof-item span{display:block;margin-top:.28rem;color:var(--muted);font-size:.95rem}

    .faq-grid{
      display:grid;
      grid-template-columns:1fr;
      gap:1rem;
    }
    @media (min-width:900px){.faq-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
    details{
      border:1px solid var(--line);
      background:#fff;
      border-radius:1.25rem;
      padding:1rem 1.1rem;
      box-shadow:0 10px 28px rgba(15,23,42,.04);
      transition:all .22s ease;
    }
    details:hover{border-color:rgba(37,99,235,.22)}
    details[open]{box-shadow:var(--shadow-card);border-color:rgba(37,99,235,.26)}
    summary{
      list-style:none;
      cursor:pointer;
      font-weight:850;
      color:#0F172A;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
    }
    summary::-webkit-details-marker{display:none}
    summary:after{
      content:"+";
      width:28px;
      height:28px;
      border-radius:999px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:#EFF6FF;
      color:var(--primary);
      font-weight:900;
      flex-shrink:0;
    }
    details[open] summary:after{content:"−"}
    details p{margin-top:.75rem;color:var(--muted);font-size:.96rem}

    .contact-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-3xl);
      border:1px solid rgba(37,99,235,.16);
      background:
        radial-gradient(circle at 10% 10%, rgba(14,165,233,.15), transparent 26rem),
        linear-gradient(135deg,#EFF6FF 0%,#fff 62%,#F8FAFC 100%);
      box-shadow:var(--shadow-blue);
      padding:1.4rem;
    }
    @media (min-width:768px){.contact-card{padding:2rem}}
    .contact-grid{
      display:grid;
      grid-template-columns:1fr;
      gap:1.4rem;
      align-items:center;
    }
    @media (min-width:1024px){.contact-grid{grid-template-columns:1fr .9fr;gap:2rem}}
    .form-box{
      background:#fff;
      border:1px solid var(--line);
      border-radius:1.6rem;
      padding:1.1rem;
      box-shadow:var(--shadow-card);
    }
    .form-grid{display:grid;grid-template-columns:1fr;gap:.85rem}
    @media (min-width:640px){.form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.form-grid .full{grid-column:1/-1}}
    .field label{
      display:block;
      font-size:.86rem;
      color:#334155;
      font-weight:760;
      margin-bottom:.35rem;
    }
    .field input,.field textarea,.field select{
      width:100%;
      border:1px solid var(--line);
      background:#fff;
      border-radius:1rem;
      padding:.82rem .9rem;
      outline:none;
      color:#0F172A;
      transition:all .2s ease;
    }
    .field textarea{min-height:108px;resize:vertical}
    .field input:focus,.field textarea:focus,.field select:focus{
      border-color:rgba(37,99,235,.55);
      box-shadow:0 0 0 4px rgba(37,99,235,.12);
    }
    .site-footer{
      background:#0F172A;
      color:#fff;
      padding:3.5rem 0 1.3rem;
    }
    .site-footer .brand-mark{box-shadow:none}
    .footer-title{
      color:#fff;
      font-weight:900;
      margin-bottom:.9rem;
    }
    .footer-link{
      display:block;
      color:#CBD5E1;
      margin:.48rem 0;
      transition:all .2s ease;
    }
    .footer-link:hover{
      color:#93C5FD;
      transform:translateX(2px);
    }
    .footer-bottom{
      margin-top:2rem;
      padding-top:1.2rem;
      border-top:1px solid rgba(148,163,184,.25);
      display:flex;
      flex-direction:column;
      gap:.5rem;
      color:#94A3B8;
      font-size:.92rem;
    }
    @media (min-width:768px){.footer-bottom{flex-direction:row;justify-content:space-between;align-items:center}}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{
      outline:none;
      box-shadow:0 0 0 4px rgba(37,99,235,.18);
    }
    @media (max-width:767px){
      .section{padding:3.4rem 0}
      .section-tight{padding:2.8rem 0}
      .hero{padding:5.2rem 0 3.4rem}
      .hero-actions .btn,.contact-card .btn{width:100%}
      .filter-box{position:relative;top:auto}
      .nav-wrap{min-height:68px}
    }

/* roulang page: category2 */
:root{
      --primary:#2563EB;
      --primary-dark:#1D4ED8;
      --secondary:#0EA5E9;
      --accent:#F59E0B;
      --ink:#0F172A;
      --muted:#475569;
      --soft:#64748B;
      --line:#E2E8F0;
      --bg:#F8FAFC;
      --blue-soft:#EFF6FF;
      --white:#FFFFFF;
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --shadow-card:0 18px 50px rgba(37,99,235,.10);
      --shadow-soft:0 10px 30px rgba(15,23,42,.07);
      --header-h:78px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 12% 8%, rgba(14,165,233,.14), transparent 30%),
        radial-gradient(circle at 88% 0%, rgba(245,158,11,.10), transparent 28%),
        linear-gradient(180deg,#fff 0%,var(--bg) 42%,#fff 100%);
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(37,99,235,.18)}
    .site-container{
      width:100%;
      max-width:1280px;
      margin:0 auto;
      padding-left:32px;
      padding-right:32px;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.92);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(226,232,240,.86);
    }
    .nav-wrap{
      min-height:var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      letter-spacing:-.02em;
      color:var(--ink);
      white-space:nowrap;
    }
    .brand-mark{
      position:relative;
      width:42px;
      height:42px;
      border-radius:999px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:
        radial-gradient(circle at 68% 28%, #FBBF24 0 9%, transparent 10%),
        linear-gradient(135deg,#2563EB,#38BDF8);
      box-shadow:0 12px 28px rgba(37,99,235,.22);
      overflow:hidden;
    }
    .brand-mark:before,.brand-mark:after{
      content:"";
      position:absolute;
      border:1.5px solid rgba(255,255,255,.68);
      border-radius:999px;
    }
    .brand-mark:before{width:27px;height:27px}
    .brand-mark:after{width:52px;height:18px;transform:rotate(-28deg)}
    .brand-dot{
      width:7px;
      height:7px;
      border-radius:999px;
      background:#fff;
      box-shadow:12px 7px 0 rgba(255,255,255,.78),-10px 6px 0 rgba(255,255,255,.62);
      z-index:1;
    }
    .brand-text{font-size:22px}
    .desktop-nav{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      padding:6px;
      border:1px solid rgba(226,232,240,.78);
      border-radius:999px;
      background:#fff;
      box-shadow:0 8px 22px rgba(15,23,42,.04);
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      min-height:40px;
      padding:0 16px;
      border-radius:999px;
      color:#334155;
      font-size:15px;
      font-weight:700;
      transition:all .22s ease;
    }
    .nav-link:hover{
      color:var(--primary);
      background:#F8FAFC;
    }
    .nav-link.active{
      color:var(--primary);
      background:var(--blue-soft);
      box-shadow:inset 0 0 0 1px rgba(37,99,235,.10);
    }
    .nav-cta{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:10px 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      font-size:15px;
      transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
    }
    .btn:focus-visible,.nav-link:focus-visible,.mobile-toggle:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
      outline:none;
      box-shadow:0 0 0 4px rgba(37,99,235,.20);
    }
    .btn:hover{transform:translateY(-2px)}
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 14px 28px rgba(37,99,235,.22);
    }
    .btn-primary:hover{background:linear-gradient(135deg,var(--primary-dark),#0284C7);box-shadow:0 18px 36px rgba(37,99,235,.28)}
    .btn-secondary{
      color:#0F172A;
      background:#fff;
      border-color:var(--line);
      box-shadow:0 8px 18px rgba(15,23,42,.04);
    }
    .btn-secondary:hover{color:var(--primary);border-color:#BFDBFE;box-shadow:0 12px 24px rgba(37,99,235,.10)}
    .mobile-toggle{
      display:none;
      align-items:center;
      justify-content:center;
      width:44px;
      height:44px;
      border-radius:999px;
      border:1px solid var(--line);
      background:#fff;
      color:#0F172A;
      transition:all .2s ease;
    }
    .mobile-toggle:hover{color:var(--primary);border-color:#BFDBFE;background:#EFF6FF}
    .mobile-menu{
      display:none;
      padding:0 0 18px;
    }
    .mobile-menu a{
      display:flex;
      align-items:center;
      min-height:46px;
      padding:10px 14px;
      border-radius:16px;
      font-weight:800;
      color:#334155;
      transition:all .2s ease;
    }
    .mobile-menu a:hover,.mobile-menu a.active{background:#EFF6FF;color:var(--primary)}
    .mobile-menu.open{display:grid;gap:6px}
    .hero-section{
      position:relative;
      overflow:hidden;
      padding:84px 0 64px;
      background:
        linear-gradient(90deg,rgba(255,255,255,.94),rgba(255,255,255,.74)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border-bottom:1px solid rgba(226,232,240,.72);
    }
    .hero-section:after{
      content:"";
      position:absolute;
      inset:auto -80px -180px auto;
      width:430px;
      height:430px;
      border-radius:999px;
      background:rgba(37,99,235,.10);
      filter:blur(4px);
      pointer-events:none;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      color:#1D4ED8;
      background:#EFF6FF;
      border:1px solid #DBEAFE;
      font-size:14px;
      font-weight:800;
    }
    .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(245,158,11,.14);
    }
    .hero-title{
      margin:18px 0 18px;
      max-width:760px;
      font-size:52px;
      line-height:1.13;
      letter-spacing:-.045em;
      font-weight:900;
      color:#0F172A;
    }
    .hero-desc{
      max-width:680px;
      color:#475569;
      font-size:18px;
      line-height:1.85;
    }
    .hero-stack{
      position:relative;
      min-height:420px;
    }
    .case-float{
      position:absolute;
      width:82%;
      padding:22px;
      border-radius:28px;
      border:1px solid rgba(226,232,240,.88);
      background:rgba(255,255,255,.94);
      box-shadow:var(--shadow-card);
      transition:all .25s ease;
    }
    .case-float:hover{transform:translateY(-3px);border-color:#BFDBFE}
    .case-float.one{top:10px;right:0}
    .case-float.two{top:142px;left:0;width:76%}
    .case-float.three{bottom:0;right:34px;width:70%}
    .status-line{
      height:8px;
      border-radius:999px;
      background:#E0F2FE;
      overflow:hidden;
      margin-top:14px;
    }
    .status-line span{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg,#2563EB,#38BDF8);
    }
    .section{
      padding:82px 0;
      position:relative;
    }
    .section-soft{background:#F8FAFC}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:34px;
    }
    .section-kicker{
      display:inline-flex;
      margin-bottom:10px;
      color:#2563EB;
      font-size:14px;
      font-weight:900;
    }
    .section-title{
      margin:0;
      font-size:36px;
      line-height:1.22;
      letter-spacing:-.035em;
      font-weight:900;
      color:#0F172A;
    }
    .section-note{
      max-width:560px;
      margin:0;
      color:#64748B;
      font-size:16px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:#EFF6FF;
      color:#1D4ED8;
      border:1px solid #DBEAFE;
      font-size:13px;
      font-weight:800;
      white-space:nowrap;
    }
    .badge.gold{
      background:#FFFBEB;
      color:#B45309;
      border-color:#FDE68A;
    }
    .card{
      border:1px solid rgba(226,232,240,.92);
      background:#fff;
      border-radius:var(--radius-lg);
      box-shadow:0 1px 0 rgba(15,23,42,.02);
      transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
    }
    .card:hover{
      transform:translateY(-2px);
      border-color:#BFDBFE;
      box-shadow:var(--shadow-card);
    }
    .feature-image{
      position:relative;
      overflow:hidden;
      border-radius:24px;
      background:#DBEAFE;
    }
    .feature-image img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .35s ease;
    }
    .card:hover .feature-image img{transform:scale(1.035)}
    .feature-image:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent 40%,rgba(15,23,42,.18));
      pointer-events:none;
    }
    .metric{
      border-radius:20px;
      border:1px solid #E2E8F0;
      background:#fff;
      padding:16px;
    }
    .metric strong{
      display:block;
      font-size:26px;
      line-height:1;
      color:#2563EB;
      font-weight:900;
      letter-spacing:-.03em;
    }
    .metric span{
      display:block;
      margin-top:7px;
      color:#64748B;
      font-size:13px;
      font-weight:700;
    }
    .mini-case{
      display:grid;
      grid-template-columns:86px 1fr;
      gap:16px;
      align-items:center;
      padding:16px;
      border-radius:22px;
      border:1px solid #E2E8F0;
      background:#fff;
      transition:all .22s ease;
    }
    .mini-case:hover{
      border-color:#BFDBFE;
      transform:translateY(-2px);
      box-shadow:var(--shadow-soft);
    }
    .mini-case img{
      width:86px;
      height:76px;
      object-fit:cover;
      border-radius:18px;
    }
    .scene-card{
      padding:24px;
      min-height:100%;
    }
    .icon-box{
      width:46px;
      height:46px;
      border-radius:16px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#2563EB;
      background:#EFF6FF;
      border:1px solid #DBEAFE;
      margin-bottom:18px;
      transition:all .22s ease;
    }
    .card:hover .icon-box{background:#DBEAFE;color:#1D4ED8}
    .quote-card{
      padding:28px;
      background:linear-gradient(135deg,#FFFFFF 0%,#EFF6FF 100%);
      border:1px solid #DBEAFE;
      border-radius:28px;
      box-shadow:var(--shadow-card);
    }
    .quote-mark{
      width:42px;
      height:42px;
      border-radius:16px;
      display:flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      background:linear-gradient(135deg,#2563EB,#38BDF8);
      font-size:24px;
      font-weight:900;
    }
    .insight-row{
      display:grid;
      grid-template-columns:72px 1fr auto;
      gap:20px;
      align-items:center;
      padding:22px;
      border-radius:24px;
      border:1px solid #E2E8F0;
      background:#fff;
      transition:all .22s ease;
    }
    .insight-row:hover{border-color:#BFDBFE;box-shadow:var(--shadow-soft);transform:translateY(-2px)}
    .insight-no{
      width:52px;
      height:52px;
      border-radius:18px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:#EFF6FF;
      color:#2563EB;
      font-weight:900;
      font-size:18px;
    }
    .check-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .check-list li{
      position:relative;
      padding-left:28px;
      color:#475569;
    }
    .check-list li:before{
      content:"";
      position:absolute;
      left:0;
      top:.62em;
      width:16px;
      height:16px;
      border-radius:999px;
      background:#DBEAFE;
      border:4px solid #2563EB;
    }
    .faq-wrap{
      display:grid;
      gap:14px;
    }
    details{
      border:1px solid #E2E8F0;
      border-radius:22px;
      background:#fff;
      padding:0;
      box-shadow:0 1px 0 rgba(15,23,42,.02);
      overflow:hidden;
      transition:all .22s ease;
    }
    details:hover{border-color:#BFDBFE;box-shadow:var(--shadow-soft)}
    details[open]{border-color:#BFDBFE;background:#F8FBFF}
    summary{
      list-style:none;
      padding:20px 24px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      font-weight:900;
      color:#0F172A;
      cursor:pointer;
    }
    summary::-webkit-details-marker{display:none}
    summary:after{
      content:"+";
      width:28px;
      height:28px;
      border-radius:999px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#2563EB;
      background:#EFF6FF;
      flex:0 0 auto;
      font-size:20px;
      line-height:1;
      transition:all .2s ease;
    }
    details[open] summary:after{
      content:"−";
      color:#fff;
      background:#2563EB;
    }
    details p{
      margin:0;
      padding:0 24px 22px;
      color:#64748B;
      line-height:1.85;
    }
    .contact-panel{
      position:relative;
      overflow:hidden;
      border-radius:32px;
      border:1px solid #BFDBFE;
      background:
        radial-gradient(circle at 18% 12%, rgba(14,165,233,.16), transparent 28%),
        linear-gradient(135deg,#FFFFFF,#EFF6FF);
      box-shadow:var(--shadow-card);
      padding:38px;
    }
    .contact-panel:after{
      content:"";
      position:absolute;
      right:-70px;
      bottom:-90px;
      width:240px;
      height:240px;
      border-radius:999px;
      background:rgba(245,158,11,.12);
    }
    .form-field{
      width:100%;
      min-height:48px;
      padding:12px 14px;
      border-radius:16px;
      border:1px solid #CBD5E1;
      background:#fff;
      color:#0F172A;
      transition:all .2s ease;
    }
    textarea.form-field{min-height:116px;resize:vertical}
    .form-field:focus{
      outline:none;
      border-color:#60A5FA;
      box-shadow:0 0 0 4px rgba(37,99,235,.14);
    }
    .site-footer{
      background:#0F172A;
      color:#fff;
      padding:56px 0 26px;
    }
    .footer-title{
      color:#fff;
      font-weight:900;
      margin-bottom:14px;
    }
    .footer-link{
      display:block;
      width:max-content;
      max-width:100%;
      color:#CBD5E1;
      margin:9px 0;
      transition:all .2s ease;
    }
    .footer-link:hover{color:#7DD3FC;transform:translateX(2px)}
    .footer-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      margin-top:38px;
      padding-top:22px;
      border-top:1px solid rgba(148,163,184,.24);
      color:#94A3B8;
      font-size:14px;
    }
    @media (max-width:1024px){
      .site-container{padding-left:24px;padding-right:24px}
      .desktop-nav{display:none}
      .mobile-toggle{display:inline-flex}
      .hide-md{display:none}
      .hero-section{padding:62px 0 52px}
      .hero-title{font-size:42px}
      .hero-stack{min-height:auto;display:grid;gap:16px;margin-top:34px}
      .case-float{position:relative;width:100%!important;inset:auto!important}
      .section{padding:68px 0}
      .section-head{display:block}
      .section-note{margin-top:12px}
      .insight-row{grid-template-columns:58px 1fr}
      .insight-row .badge{grid-column:2}
    }
    @media (max-width:768px){
      .site-container{padding-left:18px;padding-right:18px}
      .nav-wrap{min-height:70px}
      .brand-mark{width:38px;height:38px}
      .brand-text{font-size:20px}
      .hero-title{font-size:36px}
      .hero-desc{font-size:16px}
      .section-title{font-size:29px}
      .section{padding:56px 0}
      .mini-case{grid-template-columns:1fr}
      .mini-case img{width:100%;height:150px}
      .contact-panel{padding:26px;border-radius:26px}
      .footer-bottom{display:grid}
    }
    @media (max-width:520px){
      .site-container{padding-left:16px;padding-right:16px}
      .btn{width:100%;padding-left:16px;padding-right:16px}
      .hero-title{font-size:32px}
      .case-float{padding:18px;border-radius:22px}
      .section-title{font-size:26px}
      .metric strong{font-size:23px}
      .insight-row{grid-template-columns:1fr;gap:12px}
      .insight-row .badge{grid-column:auto;width:max-content}
      summary{padding:18px}
      details p{padding:0 18px 18px}
    }