/* roulang page: index */
:root{
      --primary:#7c3aed;
      --primary-dark:#5b21b6;
      --primary-soft:#ede9fe;
      --secondary:#06b6d4;
      --accent:#f59e0b;
      --ink:#111827;
      --text:#374151;
      --muted:#6b7280;
      --light:#f8fafc;
      --surface:#ffffff;
      --surface-2:#f3f4f6;
      --border:#e5e7eb;
      --dark:#0f172a;
      --dark-2:#1e1b4b;
      --success:#10b981;
      --danger:#ef4444;
      --radius-sm:10px;
      --radius:18px;
      --radius-lg:28px;
      --shadow-sm:0 8px 22px rgba(15,23,42,.08);
      --shadow:0 18px 45px rgba(15,23,42,.12);
      --shadow-lg:0 28px 80px rgba(17,24,39,.18);
      --container:1180px;
      --header-h:76px;
      --ease:all .25s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 0%,rgba(124,58,237,.08),transparent 28%),
        radial-gradient(circle at 90% 10%,rgba(6,182,212,.08),transparent 25%),
        var(--light);
      line-height:1.75;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0;background:none}
    ::selection{background:var(--primary);color:#fff}
    .container{width:min(100% - 40px,var(--container));margin-inline:auto}
    .skip-link{
      position:absolute;left:16px;top:-60px;background:var(--dark);color:#fff;
      padding:10px 14px;border-radius:10px;z-index:1000;transition:var(--ease)
    }
    .skip-link:focus{top:16px;outline:3px solid rgba(124,58,237,.35)}
    .site-header{
      position:sticky;top:0;z-index:999;
      background:rgba(255,255,255,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(229,231,235,.85);
      box-shadow:0 8px 24px rgba(15,23,42,.04);
    }
    .nav-wrap{
      height:var(--header-h);
      display:flex;align-items:center;justify-content:space-between;gap:22px;
    }
    .brand{
      display:flex;align-items:center;gap:12px;font-weight:900;color:var(--ink);
      letter-spacing:.02em;white-space:nowrap;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      color:#fff;display:grid;place-items:center;
      box-shadow:0 14px 30px rgba(124,58,237,.28);
      font-weight:900;
    }
    .brand span:last-child{font-size:20px}
    .desktop-nav{display:flex;align-items:center;gap:6px;flex:1;justify-content:center}
    .desktop-nav a{
      padding:9px 13px;border-radius:999px;color:#4b5563;font-size:14px;font-weight:700;
      transition:var(--ease);white-space:nowrap;position:relative;
    }
    .desktop-nav a:hover{background:var(--primary-soft);color:var(--primary-dark);transform:translateY(-1px)}
    .desktop-nav a.active{background:var(--dark);color:#fff;box-shadow:var(--shadow-sm)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .nav-search{
      width:190px;height:42px;border:1px solid var(--border);border-radius:999px;
      display:flex;align-items:center;gap:8px;padding:0 13px;background:#fff;color:var(--muted);
      box-shadow:0 8px 20px rgba(15,23,42,.04);
    }
    .nav-search input{border:0;outline:0;width:100%;background:transparent;color:var(--text);font-size:14px}
    .nav-search:focus-within{border-color:rgba(124,58,237,.55);box-shadow:0 0 0 4px rgba(124,58,237,.12)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:44px;padding:11px 18px;border-radius:999px;font-weight:800;
      transition:var(--ease);border:1px solid transparent;white-space:nowrap;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      color:#fff;box-shadow:0 16px 34px rgba(124,58,237,.25);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 45px rgba(124,58,237,.32)}
    .btn-secondary{background:#fff;color:var(--primary-dark);border-color:rgba(124,58,237,.22)}
    .btn-secondary:hover{background:var(--primary-soft);transform:translateY(-2px)}
    .btn-dark{background:var(--dark);color:#fff}
    .btn-dark:hover{background:#020617;transform:translateY(-2px)}
    .btn-ghost{color:var(--primary-dark);background:rgba(255,255,255,.74);border-color:rgba(124,58,237,.18)}
    .btn-ghost:hover{background:#fff;box-shadow:var(--shadow-sm)}
    .mobile-toggle{display:none;width:42px;height:42px;border-radius:14px;background:var(--surface-2);color:var(--ink)}
    .mobile-panel{display:none;border-top:1px solid var(--border);padding:12px 0 16px}
    .mobile-panel a{
      display:block;padding:11px 14px;margin:4px 0;border-radius:14px;font-weight:800;color:var(--text)
    }
    .mobile-panel a.active,.mobile-panel a:hover{background:var(--primary-soft);color:var(--primary-dark)}
    .section{padding:82px 0}
    .section.compact{padding:56px 0}
    .section-head{
      display:flex;align-items:flex-end;justify-content:space-between;gap:26px;margin-bottom:32px;
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;
      background:rgba(124,58,237,.1);color:var(--primary-dark);font-size:13px;font-weight:900;
      margin-bottom:12px;
    }
    .eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--secondary);box-shadow:0 0 0 5px rgba(6,182,212,.15)}
    h1,h2,h3{color:var(--ink);line-height:1.2;letter-spacing:-.02em}
    h1{font-size:clamp(38px,5.4vw,68px);font-weight:950}
    h2{font-size:clamp(28px,3.4vw,44px);font-weight:920}
    h3{font-size:22px;font-weight:900}
    .lead{font-size:18px;color:#4b5563;line-height:1.9}
    .muted{color:var(--muted)}
    .hero{
      position:relative;min-height:720px;padding:96px 0 70px;overflow:hidden;
      background:
        linear-gradient(110deg,rgba(15,23,42,.92),rgba(30,27,75,.76) 45%,rgba(124,58,237,.46)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      color:#fff;
    }
    .hero::after{
      content:"";position:absolute;inset:auto -10% -160px -10%;height:260px;
      background:linear-gradient(180deg,transparent,var(--light));pointer-events:none;
    }
    .hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:46px;align-items:center}
    .hero h1{color:#fff;margin:14px 0 20px}
    .hero .lead{color:rgba(255,255,255,.86);max-width:720px}
    .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
    .tag,.badge{
      display:inline-flex;align-items:center;gap:7px;border-radius:999px;font-weight:850;font-size:13px;
      padding:8px 12px;
    }
    .tag{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#fff}
    .badge{background:#fff;color:var(--primary-dark);box-shadow:var(--shadow-sm)}
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
    .hero-card{
      background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
      backdrop-filter:blur(18px);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-lg);
    }
    .hero-card img{border-radius:22px;height:260px;width:100%;object-fit:cover;margin-bottom:18px}
    .hero-card .mini-list{display:grid;gap:12px}
    .hero-card .mini-item{
      display:flex;gap:12px;align-items:flex-start;padding:12px;border-radius:16px;background:rgba(255,255,255,.1)
    }
    .icon{
      width:42px;height:42px;display:grid;place-items:center;border-radius:14px;
      background:linear-gradient(135deg,var(--primary-soft),#fff);color:var(--primary-dark);
      flex:0 0 auto;font-weight:900;
    }
    .hero-card .icon{background:rgba(255,255,255,.18);color:#fff}
    .stats-strip{
      position:relative;z-index:3;margin-top:-48px;
    }
    .stats-box{
      display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(229,231,235,.9);
      border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);
      border:1px solid rgba(255,255,255,.8)
    }
    .stat{
      background:#fff;padding:28px;text-align:center;
    }
    .stat strong{display:block;color:var(--ink);font-size:34px;line-height:1;font-weight:950}
    .stat span{display:block;margin-top:9px;color:var(--muted);font-weight:750}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
    .card{
      background:var(--surface);border:1px solid rgba(229,231,235,.9);border-radius:var(--radius);
      padding:24px;box-shadow:var(--shadow-sm);transition:var(--ease);position:relative;overflow:hidden;
    }
    .card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(124,58,237,.25)}
    .card p{margin-top:10px}
    .card-img{padding:0;overflow:hidden}
    .card-img img{height:210px;width:100%;object-fit:cover}
    .card-img .card-body{padding:22px}
    .category-card{
      min-height:330px;display:flex;flex-direction:column;justify-content:flex-end;color:#fff;
      background:#111827;border:0;padding:0;overflow:hidden;
    }
    .category-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:var(--ease)}
    .category-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,23,42,.05),rgba(15,23,42,.92))}
    .category-card:hover img{transform:scale(1.06)}
    .category-card .inner{position:relative;z-index:2;padding:24px}
    .category-card h3{color:#fff}
    .category-card p{color:rgba(255,255,255,.82)}
    .category-card .link-more{margin-top:18px;color:#fff}
    .link-more{
      display:inline-flex;align-items:center;gap:8px;font-weight:900;color:var(--primary-dark);
      margin-top:14px;transition:var(--ease)
    }
    .link-more:hover{gap:12px}
    .feature-row{
      display:grid;grid-template-columns:.95fr 1.05fr;gap:40px;align-items:center;
      background:#fff;border-radius:var(--radius-lg);padding:30px;border:1px solid var(--border);box-shadow:var(--shadow-sm)
    }
    .feature-media{position:relative}
    .feature-media img{border-radius:24px;min-height:420px;width:100%;object-fit:cover;box-shadow:var(--shadow)}
    .floating-note{
      position:absolute;right:18px;bottom:18px;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);
      padding:16px;border-radius:18px;box-shadow:var(--shadow-sm);max-width:260px
    }
    .check-list{display:grid;gap:14px;margin-top:22px}
    .check-list li{list-style:none;display:flex;gap:12px;align-items:flex-start}
    .check-list li::before{
      content:"✓";width:24px;height:24px;border-radius:50%;background:rgba(16,185,129,.14);
      color:var(--success);display:grid;place-items:center;font-weight:950;flex:0 0 auto;margin-top:2px
    }
    .dark-section{
      background:
        radial-gradient(circle at 15% 10%,rgba(124,58,237,.45),transparent 28%),
        radial-gradient(circle at 85% 0%,rgba(6,182,212,.28),transparent 25%),
        linear-gradient(135deg,var(--dark),var(--dark-2));
      color:#cbd5e1;position:relative;overflow:hidden;
    }
    .dark-section h2,.dark-section h3{color:#fff}
    .dark-section .card{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.14);color:#cbd5e1;box-shadow:none}
    .dark-section .card p{color:#cbd5e1}
    .process{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .process-card::before{
      counter-increment:step;content:"0" counter(step);
      display:inline-flex;width:46px;height:46px;border-radius:16px;align-items:center;justify-content:center;
      background:rgba(255,255,255,.13);color:#fff;font-weight:950;margin-bottom:18px
    }
    .content-block{
      background:#fff;border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-sm);
      padding:34px;
    }
    .content-block p{margin:14px 0;color:#4b5563}
    .pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
    .pill{padding:9px 12px;border-radius:999px;background:var(--surface-2);color:#4b5563;font-weight:800;font-size:13px}
    .timeline{display:grid;gap:16px}
    .timeline-item{
      display:grid;grid-template-columns:120px 1fr;gap:18px;align-items:start;
      background:#fff;border:1px solid var(--border);border-radius:18px;padding:18px;box-shadow:0 10px 24px rgba(15,23,42,.05)
    }
    .date{font-weight:950;color:var(--primary-dark);background:var(--primary-soft);border-radius:14px;padding:10px;text-align:center}
    .news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .news-card{display:flex;flex-direction:column;min-height:260px}
    .news-card time{color:var(--primary-dark);font-weight:900;font-size:13px}
    .news-card h3{margin-top:8px;font-size:20px}
    .news-card p{flex:1}
    .quote{
      padding:34px;border-radius:var(--radius-lg);
      background:linear-gradient(135deg,#fff,var(--primary-soft));
      border:1px solid rgba(124,58,237,.18);box-shadow:var(--shadow-sm)
    }
    .quote strong{display:block;color:var(--ink);font-size:20px;margin-bottom:8px}
    .faq{display:grid;gap:14px}
    .faq-item{
      background:#fff;border:1px solid var(--border);border-radius:18px;overflow:hidden;box-shadow:0 8px 22px rgba(15,23,42,.05)
    }
    .faq-question{
      width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
      padding:20px 22px;color:var(--ink);font-weight:900;text-align:left
    }
    .faq-question span:last-child{
      width:28px;height:28px;border-radius:50%;display:grid;place-items:center;
      background:var(--primary-soft);color:var(--primary-dark);transition:var(--ease)
    }
    .faq-answer{display:none;padding:0 22px 22px;color:#4b5563}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg);background:var(--primary);color:#fff}
    .cta{
      position:relative;overflow:hidden;border-radius:34px;padding:48px;
      background:
        linear-gradient(100deg,rgba(15,23,42,.94),rgba(91,33,182,.78)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      color:#fff;box-shadow:var(--shadow-lg);
    }
    .cta h2{color:#fff}
    .cta p{color:rgba(255,255,255,.84);max-width:760px}
    .cta .hero-actions{margin-top:24px}
    .contact-box{
      display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch;
    }
    .form{
      background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-sm)
    }
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:8px;margin-bottom:14px}
    .field label{font-weight:900;color:var(--ink);font-size:14px}
    .field input,.field textarea,.field select{
      width:100%;border:1px solid var(--border);border-radius:14px;padding:12px 14px;background:#fff;outline:0;
      color:var(--text);transition:var(--ease)
    }
    .field textarea{min-height:116px;resize:vertical}
    .field input:focus,.field textarea:focus,.field select:focus{
      border-color:rgba(124,58,237,.58);box-shadow:0 0 0 4px rgba(124,58,237,.12)
    }
    .site-footer{
      background:#070b1a;color:#94a3b8;padding:58px 0 96px;border-top:1px solid rgba(255,255,255,.08)
    }
    .footer-grid{display:grid;grid-template-columns:1.1fr 1.5fr .9fr;gap:34px;margin-bottom:28px}
    .footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:950;font-size:20px;margin-bottom:14px}
    .footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .footer-links h4{color:#fff;margin-bottom:12px}
    .footer-links a{display:block;margin:8px 0;color:#cbd5e1;transition:var(--ease)}
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .footer-bottom{
      display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
      padding-top:22px;border-top:1px solid rgba(255,255,255,.1);font-size:14px
    }
    .footer-bottom a{color:#e0e7ff}
    .bottom-tabs{
      position:fixed;left:10px;right:10px;bottom:10px;z-index:1000;display:none;
      background:rgba(255,255,255,.92);backdrop-filter:blur(18px);
      border:1px solid rgba(229,231,235,.95);border-radius:24px;box-shadow:0 18px 45px rgba(15,23,42,.18);
      padding:7px;grid-template-columns:repeat(6,1fr);gap:4px;
    }
    .bottom-tabs a{
      display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
      min-height:54px;border-radius:18px;font-size:11px;font-weight:850;color:#64748b;transition:var(--ease)
    }
    .bottom-tabs b{font-size:18px;line-height:1}
    .bottom-tabs a.active,.bottom-tabs a:hover{background:var(--primary);color:#fff}
    @media (max-width:1080px){
      .nav-search{display:none}
      .desktop-nav a{padding:8px 9px;font-size:13px}
      .hero-grid,.feature-row,.contact-box{grid-template-columns:1fr}
      .hero{min-height:auto}
      .stats-box,.grid-4,.process{grid-template-columns:repeat(2,1fr)}
      .news-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:820px){
      .desktop-nav,.nav-actions .btn-primary{display:none}
      .mobile-toggle{display:grid;place-items:center}
      .mobile-panel.show{display:block}
      .section{padding:62px 0}
      .hero{padding:72px 0 60px}
      .stats-strip{margin-top:20px}
      .grid-3,.grid-2,.news-grid{grid-template-columns:1fr}
      .section-head{display:block}
      .section-head .lead{margin-top:10px}
      .timeline-item{grid-template-columns:1fr}
      .footer-links{grid-template-columns:1fr 1fr}
      .bottom-tabs{display:grid}
      .site-footer{padding-bottom:118px}
    }
    @media (max-width:560px){
      .container{width:min(100% - 26px,var(--container))}
      .brand span:last-child{font-size:18px}
      .hero-card{padding:16px}
      .stats-box,.grid-4,.process{grid-template-columns:1fr}
      .stat{padding:22px}
      .card,.content-block{padding:20px}
      .category-card{min-height:280px}
      .feature-row{padding:18px}
      .feature-media img{min-height:300px}
      .floating-note{position:static;margin-top:14px;max-width:none}
      .form-row{grid-template-columns:1fr}
      .cta{padding:30px 22px;border-radius:26px}
      .hero-actions{flex-direction:column;align-items:stretch}
      .btn{width:100%}
      .footer-links{grid-template-columns:1fr}
      .bottom-tabs{left:6px;right:6px;bottom:6px;border-radius:18px;gap:2px}
      .bottom-tabs a{font-size:10px;min-height:50px;border-radius:14px}
    }

/* roulang page: category2 */
:root{
      --primary:#7c3aed;
      --primary-dark:#5b21b6;
      --primary-soft:#ede9fe;
      --secondary:#06b6d4;
      --accent:#f59e0b;
      --ink:#111827;
      --text:#374151;
      --muted:#6b7280;
      --light:#f8fafc;
      --card:#ffffff;
      --line:#e5e7eb;
      --dark:#111827;
      --dark-2:#1f2937;
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:30px;
      --shadow-sm:0 8px 22px rgba(17,24,39,.07);
      --shadow:0 18px 50px rgba(17,24,39,.12);
      --shadow-color:0 22px 60px rgba(124,58,237,.20);
      --container:1180px;
      --header-h:76px;
      --ease:all .25s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 0%, rgba(124,58,237,.08), transparent 28%),
        radial-gradient(circle at 90% 10%, rgba(6,182,212,.08), transparent 26%),
        var(--light);
      line-height:1.75;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    input,textarea{outline:none}
    ::selection{background:var(--primary);color:#fff}
    .container{width:min(var(--container), calc(100% - 40px));margin:0 auto}
    .section{padding:88px 0}
    .section-tight{padding:62px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border:1px solid rgba(124,58,237,.18);
      border-radius:999px;background:#fff;color:var(--primary-dark);
      font-weight:700;font-size:13px;box-shadow:var(--shadow-sm);
    }
    .eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--secondary))}
    h1,h2,h3{color:var(--ink);line-height:1.18;letter-spacing:-.03em}
    h1{font-size:clamp(38px,5.6vw,72px);margin:18px 0 22px}
    h2{font-size:clamp(28px,3.4vw,46px);margin-bottom:16px}
    h3{font-size:22px;margin-bottom:10px}
    p{margin:0;color:var(--text)}
    .lead{font-size:18px;color:#4b5563;max-width:760px}
    .muted{color:var(--muted)}
    .section-head{
      display:flex;align-items:flex-end;justify-content:space-between;
      gap:28px;margin-bottom:34px;
    }
    .section-head p{max-width:650px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;padding:12px 18px;border-radius:999px;
      font-weight:800;line-height:1;border:1px solid transparent;
      transition:var(--ease);white-space:nowrap;
    }
    .btn-primary{
      color:#fff;background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 14px 32px rgba(124,58,237,.28);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 42px rgba(124,58,237,.36)}
    .btn-secondary{
      color:var(--primary-dark);background:#fff;border-color:rgba(124,58,237,.18);
      box-shadow:var(--shadow-sm);
    }
    .btn-secondary:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow)}
    .btn-dark{background:var(--dark);color:#fff}
    .btn-dark:hover{background:var(--primary-dark);transform:translateY(-2px)}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(6,182,212,.35);outline-offset:3px;
    }

    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(255,255,255,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(229,231,235,.85);
    }
    .nav-wrap{
      min-height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:18px;
    }
    .brand,.footer-brand{
      display:inline-flex;align-items:center;gap:10px;
      font-weight:900;color:var(--ink);letter-spacing:-.02em;font-size:20px;
    }
    .brand-mark{
      width:38px;height:38px;border-radius:14px;
      display:inline-flex;align-items:center;justify-content:center;
      color:#fff;font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 10px 24px rgba(124,58,237,.28);
      flex:0 0 auto;
    }
    .desktop-nav{display:flex;align-items:center;gap:6px}
    .desktop-nav a{
      padding:10px 12px;border-radius:999px;
      color:#4b5563;font-weight:700;font-size:14px;
    }
    .desktop-nav a:hover{background:var(--primary-soft);color:var(--primary-dark)}
    .desktop-nav a.active{
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      color:#fff;box-shadow:0 10px 24px rgba(124,58,237,.22);
    }
    .nav-actions{display:flex;align-items:center;gap:10px}
    .nav-search{
      display:flex;align-items:center;gap:8px;
      min-width:210px;padding:9px 12px;border:1px solid var(--line);
      border-radius:999px;background:#fff;color:var(--muted);
      transition:var(--ease);
    }
    .nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(124,58,237,.10)}
    .nav-search input{border:0;background:transparent;width:150px;color:var(--ink)}
    .nav-search input::placeholder{color:#9ca3af}
    .mobile-toggle{
      display:none;width:44px;height:44px;border-radius:14px;background:var(--primary-soft);
      color:var(--primary-dark);font-size:20px;font-weight:900;
    }
    .mobile-panel{
      display:none;padding:0 0 14px;
      grid-template-columns:repeat(2,1fr);gap:10px;
    }
    .mobile-panel a{
      padding:12px 14px;border-radius:16px;background:#fff;border:1px solid var(--line);
      color:var(--text);font-weight:800;
    }
    .mobile-panel a.active{background:var(--primary);border-color:var(--primary);color:#fff}

    .hero{
      position:relative;overflow:hidden;
      padding:86px 0 74px;
      background:
        linear-gradient(90deg, rgba(17,24,39,.90), rgba(17,24,39,.58), rgba(17,24,39,.28)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    }
    .hero::after{
      content:"";position:absolute;inset:auto -8% -22% auto;
      width:520px;height:520px;border-radius:50%;
      background:radial-gradient(circle,rgba(6,182,212,.28),transparent 65%);
      pointer-events:none;
    }
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}
    .hero h1,.hero p{color:#fff}
    .hero .lead{color:rgba(255,255,255,.84)}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
    .hero-points{
      display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:34px;
      max-width:760px;
    }
    .hero-point{
      padding:16px;border-radius:18px;
      background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
      backdrop-filter:blur(10px);color:#fff;
    }
    .hero-point strong{display:block;font-size:22px;margin-bottom:2px}
    .hero-card{
      border-radius:var(--radius-lg);background:rgba(255,255,255,.92);
      padding:18px;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.45);
    }
    .hero-card img{border-radius:24px;height:300px;width:100%;object-fit:cover}
    .hero-card-body{padding:22px 8px 6px}
    .hero-card-body h3{font-size:24px}
    .benefit-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}
    .benefit-row span{
      display:block;text-align:center;padding:10px;border-radius:14px;background:var(--primary-soft);
      color:var(--primary-dark);font-weight:800;font-size:13px;
    }

    .card{
      background:var(--card);border:1px solid rgba(229,231,235,.9);
      border-radius:var(--radius);box-shadow:var(--shadow-sm);
      transition:var(--ease);overflow:hidden;
    }
    .card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(124,58,237,.22)}
    .card-pad{padding:26px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
    .icon{
      width:48px;height:48px;border-radius:16px;
      display:flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg,var(--primary-soft),#ecfeff);
      color:var(--primary-dark);font-size:23px;margin-bottom:18px;
    }
    .tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
    .tag{
      display:inline-flex;align-items:center;padding:7px 11px;
      border-radius:999px;background:#f3f4f6;color:#4b5563;
      font-size:13px;font-weight:800;
    }
    .tag.hot{background:#fff7ed;color:#c2410c}
    .split{
      display:grid;grid-template-columns:.95fr 1.05fr;gap:34px;align-items:center;
    }
    .image-frame{
      position:relative;border-radius:var(--radius-lg);overflow:hidden;
      box-shadow:var(--shadow);background:#fff;padding:12px;
    }
    .image-frame img{border-radius:24px;height:430px;width:100%;object-fit:cover}
    .float-note{
      position:absolute;left:28px;bottom:28px;right:28px;
      padding:18px;border-radius:22px;
      background:rgba(255,255,255,.92);backdrop-filter:blur(12px);
      box-shadow:var(--shadow-sm);
    }
    .check-list{display:grid;gap:14px;margin-top:22px}
    .check-item{display:flex;gap:12px;align-items:flex-start}
    .check-item i{
      width:24px;height:24px;border-radius:50%;
      display:inline-flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      color:#fff;font-style:normal;font-size:13px;font-weight:900;flex:0 0 auto;margin-top:2px;
    }

    .dark-band{
      background:linear-gradient(135deg,#111827,#26124a 58%,#083344);
      color:#fff;position:relative;overflow:hidden;
    }
    .dark-band::before{
      content:"";position:absolute;top:-120px;right:-120px;width:360px;height:360px;border-radius:50%;
      background:rgba(124,58,237,.28);
    }
    .dark-band h2,.dark-band h3,.dark-band p{color:#fff}
    .dark-band .muted{color:rgba(255,255,255,.72)}
    .tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;position:relative;z-index:1}
    .tier-card{
      padding:28px;border-radius:26px;background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(14px);
      transition:var(--ease);
    }
    .tier-card:hover{transform:translateY(-5px);background:rgba(255,255,255,.14)}
    .tier-name{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
    .tier-name span{
      padding:7px 10px;border-radius:999px;background:rgba(245,158,11,.18);
      color:#fde68a;font-weight:900;font-size:12px;
    }
    .tier-card ul{list-style:none;display:grid;gap:10px;margin-top:18px}
    .tier-card li{color:rgba(255,255,255,.82)}
    .tier-card li::before{content:"✓";color:#67e8f9;font-weight:900;margin-right:8px}

    .process{counter-reset:step;display:grid;gap:16px}
    .process-item{
      counter-increment:step;display:grid;grid-template-columns:72px 1fr;gap:18px;
      padding:22px;border-radius:24px;background:#fff;border:1px solid var(--line);
      box-shadow:var(--shadow-sm);transition:var(--ease);
    }
    .process-item:hover{transform:translateX(4px);border-color:rgba(124,58,237,.22)}
    .process-item::before{
      content:"0" counter(step);width:58px;height:58px;border-radius:18px;
      display:flex;align-items:center;justify-content:center;
      background:var(--primary-soft);color:var(--primary-dark);font-weight:900;font-size:18px;
    }

    .scenario-card img{height:190px;width:100%;object-fit:cover}
    .scenario-card .card-pad{padding:22px}
    .quote{
      padding:30px;border-radius:var(--radius-lg);
      background:linear-gradient(135deg,#fff,#f5f3ff);
      border:1px solid rgba(124,58,237,.16);
      box-shadow:var(--shadow-sm);
    }
    .quote p{font-size:19px;color:#1f2937}
    .quote strong{display:block;margin-top:16px;color:var(--primary-dark)}

    .faq-list{display:grid;gap:14px}
    .faq-item{
      background:#fff;border:1px solid var(--line);border-radius:20px;
      overflow:hidden;box-shadow:var(--shadow-sm);
    }
    .faq-q{
      width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
      padding:20px 22px;background:#fff;color:var(--ink);font-weight:900;text-align:left;
    }
    .faq-q span:last-child{
      width:30px;height:30px;border-radius:50%;background:var(--primary-soft);
      color:var(--primary-dark);display:flex;align-items:center;justify-content:center;flex:0 0 auto;
    }
    .faq-a{display:none;padding:0 22px 22px;color:var(--muted)}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span:last-child{background:var(--primary);color:#fff;transform:rotate(45deg)}

    .contact-panel{
      display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:stretch;
      padding:34px;border-radius:32px;
      background:
        linear-gradient(135deg,rgba(124,58,237,.94),rgba(6,182,212,.88)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      box-shadow:var(--shadow-color);overflow:hidden;
    }
    .contact-panel h2,.contact-panel p{color:#fff}
    .contact-form{
      background:rgba(255,255,255,.94);border-radius:26px;padding:24px;
      display:grid;gap:14px;
    }
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:7px}
    .field label{font-weight:900;color:var(--ink);font-size:14px}
    .field input,.field textarea{
      width:100%;border:1px solid var(--line);border-radius:16px;
      padding:12px 14px;background:#fff;color:var(--ink);transition:var(--ease);
    }
    .field textarea{min-height:116px;resize:vertical}
    .field input:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(124,58,237,.10)}

    .site-footer{
      background:#0b1020;color:rgba(255,255,255,.72);padding:66px 0 32px;
    }
    .site-footer p{color:rgba(255,255,255,.68)}
    .site-footer a{color:rgba(255,255,255,.72)}
    .site-footer a:hover{color:#fff}
    .site-footer .brand-mark{box-shadow:none}
    .footer-grid{
      display:grid;grid-template-columns:1.05fr 1.45fr .9fr;gap:36px;
      padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.10);
    }
    .footer-brand{color:#fff;margin-bottom:14px}
    .footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
    .footer-links h4{color:#fff;margin-bottom:12px;font-size:16px}
    .footer-links a{display:block;margin:8px 0}
    .footer-bottom{
      padding-top:24px;display:flex;justify-content:space-between;gap:22px;
      font-size:14px;color:rgba(255,255,255,.62);
    }

    .bottom-tab{
      display:none;position:fixed;left:12px;right:12px;bottom:12px;z-index:60;
      background:rgba(255,255,255,.94);backdrop-filter:blur(16px);
      border:1px solid rgba(229,231,235,.9);border-radius:24px;
      box-shadow:0 18px 46px rgba(17,24,39,.18);
      padding:8px;grid-template-columns:repeat(6,1fr);gap:4px;
    }
    .bottom-tab a{
      min-width:0;border-radius:18px;padding:8px 4px;
      display:flex;flex-direction:column;align-items:center;gap:3px;
      color:#6b7280;font-size:11px;font-weight:800;
    }
    .bottom-tab b{font-size:17px;line-height:1}
    .bottom-tab a.active{background:var(--primary-soft);color:var(--primary-dark)}
    .bottom-tab a:hover{background:#f3f4f6;color:var(--primary-dark)}

    @media (max-width:1080px){
      .desktop-nav{display:none}
      .mobile-toggle{display:inline-flex;align-items:center;justify-content:center}
      .nav-search{display:none}
      .mobile-panel.open{display:grid}
      .hero-grid,.split,.contact-panel{grid-template-columns:1fr}
      .grid-3,.tier-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      body{padding-bottom:86px}
      .container{width:min(100% - 28px,var(--container))}
      .section{padding:64px 0}
      .section-tight{padding:48px 0}
      .site-header .btn-primary{display:none}
      .hero{padding:66px 0 56px}
      .hero-points,.grid-3,.grid-2,.tier-grid,.benefit-row{grid-template-columns:1fr}
      .section-head{display:block}
      .section-head .btn{margin-top:18px}
      .image-frame img{height:310px}
      .footer-links{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column}
      .form-row{grid-template-columns:1fr}
      .bottom-tab{display:grid}
    }
    @media (max-width:520px){
      h1{font-size:36px}
      h2{font-size:28px}
      .brand{font-size:18px}
      .brand-mark{width:34px;height:34px;border-radius:12px}
      .hero-card img{height:220px}
      .process-item{grid-template-columns:1fr}
      .process-item::before{width:50px;height:50px}
      .contact-panel{padding:22px;border-radius:24px}
      .bottom-tab{left:8px;right:8px;bottom:8px;border-radius:20px}
      .bottom-tab a{font-size:10px;padding:7px 2px}
      .bottom-tab b{font-size:15px}
    }

/* roulang page: category1 */
:root{
      --primary:#7c3aed;
      --primary-dark:#5b21b6;
      --primary-soft:#efe7ff;
      --secondary:#06b6d4;
      --accent:#f59e0b;
      --ink:#121826;
      --text:#334155;
      --muted:#64748b;
      --light:#f8fafc;
      --surface:#ffffff;
      --surface-2:#f1f5f9;
      --border:#e2e8f0;
      --dark:#0f172a;
      --dark-2:#172033;
      --success:#10b981;
      --danger:#ef4444;
      --radius-sm:10px;
      --radius:18px;
      --radius-lg:28px;
      --shadow-sm:0 8px 24px rgba(15,23,42,.08);
      --shadow:0 18px 50px rgba(15,23,42,.12);
      --shadow-lg:0 28px 80px rgba(40,20,90,.22);
      --container:1180px;
      --header-h:78px;
      --ease:all .24s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left,rgba(124,58,237,.12),transparent 28%),
        radial-gradient(circle at top right,rgba(6,182,212,.10),transparent 24%),
        var(--light);
      line-height:1.75;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:var(--primary);color:#fff}
    .container{width:min(var(--container),calc(100% - 40px));margin-inline:auto}
    .section{padding:86px 0}
    .section-tight{padding:64px 0}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:28px;
      margin-bottom:34px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 13px;
      border-radius:999px;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-size:13px;
      font-weight:800;
      letter-spacing:.02em;
      margin-bottom:12px;
    }
    .section-kicker::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 0 0 5px rgba(124,58,237,.12);
    }
    h1,h2,h3,h4{color:var(--ink);line-height:1.18;font-weight:900;letter-spacing:-.03em}
    h1{font-size:clamp(38px,6vw,70px)}
    h2{font-size:clamp(28px,3.4vw,44px)}
    h3{font-size:22px}
    p{margin:0;color:var(--text)}
    .lead{font-size:18px;color:#475569;max-width:760px}
    .muted{color:var(--muted)}
    .site-header{
      position:sticky;
      top:0;
      z-index:100;
      background:rgba(255,255,255,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(226,232,240,.82);
      box-shadow:0 8px 28px rgba(15,23,42,.05);
    }
    .nav-wrap{
      min-height:var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand,.footer-brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      font-weight:950;
      color:var(--ink);
      letter-spacing:-.02em;
      font-size:20px;
      white-space:nowrap;
    }
    .brand-mark{
      width:40px;height:40px;
      display:inline-grid;
      place-items:center;
      border-radius:14px;
      color:#fff;
      background:
        linear-gradient(135deg,rgba(255,255,255,.32),transparent 35%),
        linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 12px 30px rgba(124,58,237,.32);
      font-weight:950;
    }
    .desktop-nav{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:4px;
      flex:1;
    }
    .desktop-nav a{
      padding:10px 12px;
      border-radius:999px;
      color:#475569;
      font-size:14px;
      font-weight:800;
      white-space:nowrap;
    }
    .desktop-nav a:hover{
      color:var(--primary-dark);
      background:var(--primary-soft);
      transform:translateY(-1px);
    }
    .desktop-nav a.active{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-dark));
      box-shadow:0 12px 24px rgba(124,58,237,.22);
    }
    .nav-actions{display:flex;align-items:center;gap:12px}
    .nav-search{
      height:42px;
      min-width:210px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 13px;
      border:1px solid var(--border);
      border-radius:999px;
      background:#fff;
      color:var(--muted);
      transition:var(--ease);
    }
    .nav-search:focus-within{
      border-color:rgba(124,58,237,.55);
      box-shadow:0 0 0 4px rgba(124,58,237,.10);
    }
    .nav-search input{
      width:150px;
      border:0;
      outline:0;
      background:transparent;
      color:var(--ink);
      font-size:14px;
    }
    .nav-search input::placeholder{color:#94a3b8}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 20px;
      border-radius:999px;
      font-weight:900;
      transition:var(--ease);
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 14px 30px rgba(124,58,237,.25);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(124,58,237,.34)}
    .btn-secondary{
      color:var(--primary-dark);
      background:#fff;
      border-color:rgba(124,58,237,.18);
      box-shadow:var(--shadow-sm);
    }
    .btn-secondary:hover{background:var(--primary-soft);transform:translateY(-2px)}
    .btn-ghost{
      color:#fff;
      background:rgba(255,255,255,.12);
      border-color:rgba(255,255,255,.22);
      backdrop-filter:blur(10px);
    }
    .btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
    .mobile-toggle{
      display:none;
      width:44px;height:44px;
      border-radius:14px;
      background:var(--surface-2);
      color:var(--ink);
      font-size:22px;
    }
    .mobile-panel{
      display:none;
      padding:0 0 16px;
      border-top:1px solid var(--border);
    }
    .mobile-panel a{
      display:block;
      padding:13px 14px;
      margin-top:6px;
      border-radius:14px;
      font-weight:800;
      color:#475569;
      background:#fff;
    }
    .mobile-panel a.active{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
    }
    .hero{
      position:relative;
      min-height:690px;
      display:flex;
      align-items:center;
      overflow:hidden;
      color:#fff;
      background:
        linear-gradient(105deg,rgba(15,23,42,.92) 0%,rgba(40,20,90,.78) 52%,rgba(6,182,212,.36) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .hero::after{
      content:"";
      position:absolute;
      inset:auto -10% -30% -10%;
      height:260px;
      background:linear-gradient(180deg,transparent,var(--light) 72%);
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      z-index:2;
      display:grid;
      grid-template-columns:1.04fr .78fr;
      gap:46px;
      align-items:center;
      padding:96px 0 116px;
    }
    .hero h1{color:#fff;margin:16px 0 20px}
    .hero .lead{color:#dbeafe;font-size:19px}
    .hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 12px;
      border-radius:999px;
      font-size:13px;
      font-weight:850;
      color:#e0f2fe;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
      backdrop-filter:blur(10px);
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
    .hero-panel{
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.13);
      border:1px solid rgba(255,255,255,.22);
      box-shadow:var(--shadow-lg);
      backdrop-filter:blur(18px);
      padding:24px;
    }
    .hero-panel img{
      width:100%;
      height:250px;
      object-fit:cover;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.18);
      margin-bottom:18px;
    }
    .panel-metric{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:18px;
    }
    .metric{
      padding:15px 12px;
      border-radius:18px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.16);
    }
    .metric strong{display:block;color:#fff;font-size:24px;line-height:1.1}
    .metric span{display:block;color:#cbd5e1;font-size:12px;margin-top:5px}
    .breadcrumb{
      display:flex;flex-wrap:wrap;align-items:center;gap:8px;
      color:#cbd5e1;font-weight:800;font-size:14px;
    }
    .breadcrumb a:hover{color:#fff}
    .card{
      background:var(--surface);
      border:1px solid var(--border);
      border-radius:var(--radius);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
      overflow:hidden;
    }
    .card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow);
      border-color:rgba(124,58,237,.22);
    }
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
    .value-card{padding:28px}
    .value-icon{
      width:54px;height:54px;
      display:grid;place-items:center;
      border-radius:18px;
      font-size:24px;
      background:linear-gradient(135deg,var(--primary-soft),#e0f7ff);
      margin-bottom:18px;
    }
    .value-card h3{margin-bottom:10px}
    .feature-row{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:34px;
      align-items:center;
    }
    .image-card{
      position:relative;
      min-height:440px;
      border-radius:var(--radius-lg);
      overflow:hidden;
      box-shadow:var(--shadow);
    }
    .image-card img{width:100%;height:100%;min-height:440px;object-fit:cover}
    .image-card .float-note{
      position:absolute;
      left:22px;right:22px;bottom:22px;
      padding:18px;
      border-radius:20px;
      background:rgba(15,23,42,.78);
      color:#fff;
      backdrop-filter:blur(14px);
      border:1px solid rgba(255,255,255,.18);
    }
    .image-card .float-note p{color:#dbeafe}
    .steps{
      counter-reset:step;
      display:grid;
      gap:16px;
    }
    .step{
      position:relative;
      padding:20px 20px 20px 76px;
      border-radius:20px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
    }
    .step::before{
      counter-increment:step;
      content:counter(step);
      position:absolute;
      left:20px;top:22px;
      width:40px;height:40px;
      display:grid;place-items:center;
      border-radius:14px;
      color:#fff;
      font-weight:950;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 10px 22px rgba(124,58,237,.22);
    }
    .step h3{font-size:19px;margin-bottom:6px}
    .dark-section{
      position:relative;
      background:
        radial-gradient(circle at 12% 18%,rgba(124,58,237,.38),transparent 30%),
        radial-gradient(circle at 84% 72%,rgba(6,182,212,.26),transparent 34%),
        var(--dark);
      color:#fff;
      overflow:hidden;
    }
    .dark-section h2,.dark-section h3{color:#fff}
    .dark-section p{color:#cbd5e1}
    .scenario-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }
    .scenario{
      padding:24px;
      border-radius:22px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.14);
      transition:var(--ease);
    }
    .scenario:hover{background:rgba(255,255,255,.13);transform:translateY(-4px)}
    .scenario strong{
      display:block;
      color:#fff;
      font-size:18px;
      margin-bottom:8px;
    }
    .package-card{padding:0}
    .package-card img{height:190px;width:100%;object-fit:cover}
    .package-body{padding:24px}
    .tag-list{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}
    .tag{
      display:inline-flex;
      padding:6px 10px;
      border-radius:999px;
      background:var(--surface-2);
      color:#475569;
      font-size:12px;
      font-weight:800;
    }
    .check-list{display:grid;gap:12px;margin-top:18px}
    .check-list li{
      list-style:none;
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#475569;
    }
    .check-list li::before{
      content:"✓";
      flex:0 0 22px;
      width:22px;height:22px;
      display:grid;place-items:center;
      border-radius:50%;
      color:#fff;
      background:var(--success);
      font-size:13px;
      font-weight:900;
      margin-top:3px;
    }
    .process-band{
      background:#fff;
      border-radius:var(--radius-lg);
      border:1px solid var(--border);
      box-shadow:var(--shadow);
      padding:30px;
    }
    .timeline{
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:14px;
      margin-top:24px;
    }
    .timeline-item{
      position:relative;
      padding:22px 18px;
      border-radius:20px;
      background:linear-gradient(180deg,#fff,var(--surface-2));
      border:1px solid var(--border);
    }
    .timeline-item span{
      display:inline-grid;
      place-items:center;
      width:34px;height:34px;
      border-radius:12px;
      color:#fff;
      background:var(--primary);
      font-weight:950;
      margin-bottom:14px;
    }
    .timeline-item h3{font-size:18px;margin-bottom:7px}
    .insight{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:24px;
      align-items:stretch;
    }
    .quote-card{
      padding:34px;
      border-radius:var(--radius-lg);
      background:
        linear-gradient(135deg,rgba(124,58,237,.10),rgba(6,182,212,.08)),
        #fff;
      border:1px solid rgba(124,58,237,.16);
    }
    .quote-card blockquote{
      font-size:24px;
      line-height:1.45;
      color:var(--ink);
      font-weight:900;
      letter-spacing:-.02em;
    }
    .quote-card p{margin-top:16px}
    .data-card{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
    }
    .data-box{
      padding:22px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
    }
    .data-box strong{
      display:block;
      font-size:34px;
      color:var(--primary-dark);
      line-height:1;
      margin-bottom:8px;
    }
    .faq-wrap{
      display:grid;
      grid-template-columns:.8fr 1.2fr;
      gap:34px;
      align-items:start;
    }
    .faq-list{display:grid;gap:14px}
    .faq-item{
      background:#fff;
      border:1px solid var(--border);
      border-radius:20px;
      overflow:hidden;
      box-shadow:var(--shadow-sm);
    }
    .faq-question{
      width:100%;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
      padding:20px 22px;
      background:#fff;
      color:var(--ink);
      font-weight:900;
      text-align:left;
    }
    .faq-question span:last-child{
      width:28px;height:28px;
      display:grid;place-items:center;
      border-radius:50%;
      background:var(--primary-soft);
      color:var(--primary-dark);
      transition:var(--ease);
    }
    .faq-answer{
      display:none;
      padding:0 22px 22px;
      color:#475569;
    }
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg);background:var(--primary);color:#fff}
    .contact-cta{
      position:relative;
      border-radius:34px;
      overflow:hidden;
      background:
        linear-gradient(115deg,rgba(15,23,42,.94),rgba(91,33,182,.86)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      color:#fff;
      box-shadow:var(--shadow-lg);
    }
    .cta-inner{
      display:grid;
      grid-template-columns:1fr .78fr;
      gap:34px;
      align-items:center;
      padding:44px;
    }
    .contact-cta h2{color:#fff}
    .contact-cta p{color:#dbeafe}
    .contact-form{
      display:grid;
      gap:12px;
      padding:22px;
      border-radius:24px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
      backdrop-filter:blur(14px);
    }
    .field{
      display:grid;
      gap:6px;
    }
    .field label{
      color:#e2e8f0;
      font-size:13px;
      font-weight:800;
    }
    .field input,.field textarea{
      width:100%;
      border:1px solid rgba(255,255,255,.2);
      outline:0;
      border-radius:16px;
      padding:13px 14px;
      background:rgba(255,255,255,.92);
      color:var(--ink);
      resize:vertical;
    }
    .field input:focus,.field textarea:focus{
      border-color:#fff;
      box-shadow:0 0 0 4px rgba(255,255,255,.18);
    }
    .site-footer{
      background:var(--dark);
      color:#cbd5e1;
      padding:64px 0 28px;
    }
    .site-footer p{color:#94a3b8}
    .site-footer .footer-brand{color:#fff;margin-bottom:16px}
    .footer-grid{
      display:grid;
      grid-template-columns:1.05fr 1.35fr .8fr;
      gap:36px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .footer-links{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:22px;
    }
    .footer-links h4,.site-footer h4{
      color:#fff;
      margin-bottom:12px;
      font-size:15px;
      letter-spacing:0;
    }
    .footer-links a{
      display:block;
      color:#94a3b8;
      margin:9px 0;
      font-size:14px;
    }
    .footer-links a:hover,.footer-bottom a:hover{color:#fff}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:20px;
      padding-top:24px;
      color:#94a3b8;
      font-size:14px;
    }
    .mobile-tabbar{
      display:none;
      position:fixed;
      left:12px;right:12px;bottom:12px;
      z-index:120;
      padding:8px;
      border-radius:24px;
      background:rgba(255,255,255,.94);
      border:1px solid var(--border);
      box-shadow:0 18px 50px rgba(15,23,42,.18);
      backdrop-filter:blur(16px);
    }
    .mobile-tabbar a{
      flex:1;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:3px;
      min-height:54px;
      border-radius:18px;
      color:#64748b;
      font-size:11px;
      font-weight:900;
    }
    .mobile-tabbar i{font-style:normal;font-size:18px;line-height:1}
    .mobile-tabbar a.active{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 10px 24px rgba(124,58,237,.22);
    }
    @media (max-width:1080px){
      .desktop-nav{display:none}
      .nav-search{display:none}
      .mobile-toggle{display:grid;place-items:center}
      .mobile-panel.show{display:block}
      .hero-inner,.feature-row,.faq-wrap,.cta-inner{grid-template-columns:1fr}
      .hero{min-height:auto}
      .scenario-grid{grid-template-columns:repeat(2,1fr)}
      .timeline{grid-template-columns:repeat(3,1fr)}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      body{padding-bottom:88px}
      .container{width:min(100% - 28px,var(--container))}
      .section{padding:62px 0}
      .section-tight{padding:48px 0}
      .section-head{display:block}
      .lead{font-size:16px}
      .nav-wrap{min-height:68px}
      .brand{font-size:18px}
      .brand-mark{width:36px;height:36px;border-radius:12px}
      .nav-actions .btn{display:none}
      .hero-inner{padding:70px 0 94px}
      .hero-panel{padding:16px}
      .panel-metric,.grid-3,.grid-2,.insight,.data-card{grid-template-columns:1fr}
      .timeline{grid-template-columns:1fr}
      .scenario-grid{grid-template-columns:1fr}
      .process-band{padding:20px}
      .quote-card blockquote{font-size:20px}
      .cta-inner{padding:28px}
      .footer-links{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column}
      .mobile-tabbar{display:flex}
    }
    @media (max-width:520px){
      h1{font-size:36px}
      h2{font-size:28px}
      .hero-actions .btn{width:100%}
      .hero-badges .badge{width:100%;justify-content:center}
      .metric strong{font-size:21px}
      .image-card,.image-card img{min-height:320px}
      .step{padding-left:66px}
      .contact-form{padding:16px}
      .mobile-tabbar a:nth-child(5){display:none}
    }

/* roulang page: category3 */
:root{
      --primary:#7c3aed;
      --primary-dark:#5b21b6;
      --primary-soft:#ede9fe;
      --secondary:#06b6d4;
      --accent:#f59e0b;
      --ink:#111827;
      --text:#334155;
      --muted:#64748b;
      --light:#f8fafc;
      --surface:#ffffff;
      --surface-2:#f1f5f9;
      --border:#e2e8f0;
      --dark:#0f172a;
      --dark-2:#1e1b4b;
      --success:#10b981;
      --danger:#ef4444;
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:30px;
      --shadow-sm:0 8px 22px rgba(15,23,42,.07);
      --shadow:0 18px 48px rgba(15,23,42,.12);
      --shadow-glow:0 20px 70px rgba(124,58,237,.28);
      --container:1180px;
      --nav-height:78px;
      --transition:all .25s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 5%,rgba(124,58,237,.11),transparent 30%),
        radial-gradient(circle at 92% 12%,rgba(6,182,212,.12),transparent 28%),
        linear-gradient(180deg,#fff 0%,#f8fafc 42%,#fff 100%);
      line-height:1.7;
      min-height:100vh;
      padding-bottom:0;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:var(--primary);color:#fff}
    .container{width:min(100% - 40px,var(--container));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:100;
      background:rgba(255,255,255,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(226,232,240,.8);
      box-shadow:0 10px 30px rgba(15,23,42,.04);
    }
    .nav-wrap{
      min-height:var(--nav-height);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .brand,.footer-brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      font-weight:900;
      color:var(--ink);
      letter-spacing:.02em;
      white-space:nowrap;
      font-size:20px;
    }
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:14px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 10px 24px rgba(124,58,237,.28);
      flex:0 0 auto;
    }
    .desktop-nav{
      display:flex;
      align-items:center;
      gap:4px;
      padding:6px;
      background:rgba(241,245,249,.7);
      border:1px solid rgba(226,232,240,.9);
      border-radius:999px;
    }
    .desktop-nav a{
      padding:9px 14px;
      border-radius:999px;
      color:#475569;
      font-weight:700;
      font-size:14px;
      transition:var(--transition);
      white-space:nowrap;
    }
    .desktop-nav a:hover{
      color:var(--primary);
      background:#fff;
      box-shadow:var(--shadow-sm);
      transform:translateY(-1px);
    }
    .desktop-nav a.active{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-dark));
      box-shadow:0 10px 24px rgba(124,58,237,.22);
    }
    .nav-actions{display:flex;align-items:center;gap:12px}
    .nav-search{
      height:42px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 12px;
      border:1px solid var(--border);
      border-radius:999px;
      background:#fff;
      color:var(--muted);
      box-shadow:0 6px 18px rgba(15,23,42,.04);
      transition:var(--transition);
    }
    .nav-search:focus-within{
      border-color:rgba(124,58,237,.45);
      box-shadow:0 0 0 4px rgba(124,58,237,.12);
    }
    .nav-search input{
      width:150px;
      border:0;
      outline:0;
      background:transparent;
      color:var(--text);
      font-size:14px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:0 18px;
      border-radius:999px;
      font-weight:800;
      transition:var(--transition);
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 14px 32px rgba(124,58,237,.26);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-glow)}
    .btn-secondary{
      color:var(--primary);
      background:#fff;
      border-color:rgba(124,58,237,.18);
      box-shadow:var(--shadow-sm);
    }
    .btn-secondary:hover{border-color:var(--primary);transform:translateY(-2px)}
    .btn-dark{
      color:#fff;
      background:rgba(15,23,42,.94);
      box-shadow:0 12px 30px rgba(15,23,42,.22);
    }
    .btn-dark:hover{transform:translateY(-2px);background:#020617}
    .mobile-toggle{
      display:none;
      width:42px;
      height:42px;
      border-radius:14px;
      background:var(--surface-2);
      color:var(--ink);
      font-size:20px;
      transition:var(--transition);
    }
    .mobile-toggle:hover{background:var(--primary-soft);color:var(--primary)}
    .mobile-panel{
      display:none;
      padding:0 0 16px;
      grid-template-columns:1fr 1fr;
      gap:10px;
    }
    .mobile-panel a{
      padding:12px 14px;
      border-radius:14px;
      background:#fff;
      border:1px solid var(--border);
      color:#475569;
      font-weight:800;
    }
    .mobile-panel a.active{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-dark));
      border-color:transparent;
    }
    .hero{
      position:relative;
      padding:76px 0 46px;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(15,23,42,.82),rgba(30,27,75,.64),rgba(15,23,42,.38)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      opacity:.96;
      z-index:-2;
    }
    .hero::after{
      content:"";
      position:absolute;
      width:420px;
      height:420px;
      right:-120px;
      top:40px;
      background:radial-gradient(circle,rgba(6,182,212,.32),transparent 68%);
      z-index:-1;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.04fr .96fr;
      gap:52px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.13);
      color:#e0f2fe;
      border:1px solid rgba(255,255,255,.18);
      font-size:13px;
      font-weight:800;
      margin-bottom:18px;
      backdrop-filter:blur(8px);
    }
    .hero h1{
      color:#fff;
      font-size:clamp(34px,5vw,62px);
      line-height:1.08;
      letter-spacing:-.04em;
      margin-bottom:22px;
    }
    .hero p{
      color:rgba(255,255,255,.84);
      font-size:18px;
      max-width:690px;
      margin-bottom:28px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
    .hero-tags{display:flex;flex-wrap:wrap;gap:10px}
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 11px;
      border-radius:999px;
      background:#fff;
      color:#475569;
      border:1px solid var(--border);
      font-weight:800;
      font-size:13px;
    }
    .hero .tag{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.18);color:#fff}
    .media-card{
      position:relative;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
      border-radius:var(--radius-lg);
      padding:16px;
      box-shadow:0 30px 70px rgba(2,6,23,.34);
      backdrop-filter:blur(16px);
    }
    .media-card img{
      height:360px;
      width:100%;
      object-fit:cover;
      border-radius:24px;
    }
    .media-floating{
      position:absolute;
      left:-24px;
      bottom:28px;
      width:min(260px,72%);
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.94);
      box-shadow:var(--shadow);
      border:1px solid rgba(255,255,255,.55);
    }
    .media-floating strong{display:block;color:var(--ink);font-size:22px;margin-bottom:4px}
    .media-floating span{color:var(--muted);font-size:14px}
    main{overflow:hidden}
    .section{padding:78px 0}
    .section.alt{background:linear-gradient(180deg,#f8fafc,#fff)}
    .section.dark{
      background:
        radial-gradient(circle at 20% 20%,rgba(124,58,237,.35),transparent 28%),
        linear-gradient(135deg,#0f172a,#1e1b4b);
      color:#cbd5e1;
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:28px;
      margin-bottom:32px;
    }
    .section-kicker{
      color:var(--primary);
      font-weight:900;
      letter-spacing:.12em;
      font-size:13px;
      margin-bottom:8px;
    }
    .section h2{
      color:var(--ink);
      font-size:clamp(26px,3.2vw,42px);
      line-height:1.18;
      letter-spacing:-.03em;
    }
    .section.dark h2{color:#fff}
    .section-desc{
      max-width:520px;
      color:var(--muted);
      font-size:16px;
    }
    .section.dark .section-desc{color:#cbd5e1}
    .grid{display:grid;gap:22px}
    .grid-3{grid-template-columns:repeat(3,1fr)}
    .grid-4{grid-template-columns:repeat(4,1fr)}
    .grid-2{grid-template-columns:repeat(2,1fr)}
    .card{
      background:var(--surface);
      border:1px solid var(--border);
      border-radius:var(--radius);
      padding:24px;
      box-shadow:var(--shadow-sm);
      transition:var(--transition);
    }
    .card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow);
      border-color:rgba(124,58,237,.24);
    }
    .card-icon{
      width:48px;
      height:48px;
      border-radius:16px;
      display:flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      font-size:22px;
      margin-bottom:16px;
      box-shadow:0 10px 22px rgba(124,58,237,.18);
    }
    .card h3{color:var(--ink);font-size:20px;margin-bottom:10px;line-height:1.35}
    .card p{color:var(--muted);font-size:15px}
    .image-card{padding:0;overflow:hidden}
    .image-card img{height:210px;width:100%;object-fit:cover}
    .image-card .body{padding:22px}
    .split{
      display:grid;
      grid-template-columns:.96fr 1.04fr;
      gap:44px;
      align-items:center;
    }
    .split-media{
      position:relative;
      border-radius:var(--radius-lg);
      overflow:hidden;
      box-shadow:var(--shadow);
      min-height:440px;
    }
    .split-media img{width:100%;height:440px;object-fit:cover}
    .split-media::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent 45%,rgba(15,23,42,.72));
    }
    .split-caption{
      position:absolute;
      left:22px;
      right:22px;
      bottom:22px;
      z-index:2;
      padding:18px;
      border-radius:20px;
      background:rgba(255,255,255,.92);
      box-shadow:var(--shadow-sm);
    }
    .split-caption strong{display:block;color:var(--ink);font-size:20px;margin-bottom:4px}
    .feature-list{display:grid;gap:14px;margin-top:24px}
    .feature-item{
      display:flex;
      gap:14px;
      padding:16px;
      border-radius:18px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:0 8px 20px rgba(15,23,42,.04);
      transition:var(--transition);
    }
    .feature-item:hover{border-color:rgba(124,58,237,.25);transform:translateX(3px)}
    .check{
      width:28px;
      height:28px;
      border-radius:999px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:rgba(16,185,129,.12);
      color:var(--success);
      font-weight:900;
      flex:0 0 auto;
    }
    .feature-item h3{font-size:17px;color:var(--ink);margin-bottom:3px}
    .feature-item p{font-size:14px;color:var(--muted)}
    .stats{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      margin-top:26px;
    }
    .stat{
      border-radius:20px;
      padding:20px;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.16);
      color:#fff;
    }
    .stat strong{display:block;font-size:32px;line-height:1.1;margin-bottom:6px}
    .stat span{color:#cbd5e1;font-size:14px}
    .timeline{display:grid;gap:16px;counter-reset:step}
    .timeline-item{
      counter-increment:step;
      display:grid;
      grid-template-columns:72px 1fr;
      gap:18px;
      padding:22px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
      transition:var(--transition);
    }
    .timeline-item:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .timeline-num{
      width:56px;
      height:56px;
      border-radius:20px;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      color:#fff;
      display:flex;
      align-items:center;
      justify-content:center;
      font-size:20px;
      font-weight:900;
      box-shadow:0 12px 26px rgba(124,58,237,.2);
    }
    .timeline-item h3{color:var(--ink);font-size:20px;margin-bottom:6px}
    .timeline-item p{color:var(--muted)}
    .scenario{
      position:relative;
      padding:26px;
      border-radius:26px;
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.15);
      overflow:hidden;
      min-height:220px;
      transition:var(--transition);
    }
    .scenario:hover{transform:translateY(-5px);background:rgba(255,255,255,.13)}
    .scenario .tag{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.17);color:#fff;margin-bottom:18px}
    .scenario h3{color:#fff;font-size:22px;margin-bottom:10px}
    .scenario p{color:#cbd5e1}
    .package{
      display:flex;
      flex-direction:column;
      min-height:100%;
      position:relative;
    }
    .package.recommend{
      border-color:rgba(124,58,237,.35);
      box-shadow:var(--shadow-glow);
    }
    .package-badge{
      position:absolute;
      top:18px;
      right:18px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(245,158,11,.14);
      color:#b45309;
      font-size:12px;
      font-weight:900;
    }
    .package h3{padding-right:80px}
    .package ul{
      list-style:none;
      display:grid;
      gap:10px;
      margin:18px 0 24px;
    }
    .package li{
      display:flex;
      gap:9px;
      align-items:flex-start;
      color:#475569;
      font-size:14px;
    }
    .package li::before{
      content:"";
      width:8px;
      height:8px;
      margin-top:9px;
      border-radius:999px;
      background:var(--primary);
      flex:0 0 auto;
    }
    .package .btn{margin-top:auto}
    .faq-list{display:grid;gap:14px}
    .faq-item{
      border:1px solid var(--border);
      background:#fff;
      border-radius:20px;
      overflow:hidden;
      box-shadow:var(--shadow-sm);
    }
    .faq-q{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:20px 22px;
      background:#fff;
      color:var(--ink);
      font-weight:900;
      text-align:left;
      transition:var(--transition);
    }
    .faq-q:hover{color:var(--primary)}
    .faq-q span:last-child{
      width:28px;
      height:28px;
      border-radius:999px;
      background:var(--primary-soft);
      color:var(--primary);
      display:flex;
      align-items:center;
      justify-content:center;
      flex:0 0 auto;
      transition:var(--transition);
    }
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .faq-a{
      display:none;
      padding:0 22px 20px;
      color:var(--muted);
      border-top:1px solid var(--border);
    }
    .faq-item.open .faq-a{display:block}
    .cta{
      position:relative;
      overflow:hidden;
      border-radius:34px;
      padding:44px;
      background:
        linear-gradient(135deg,rgba(124,58,237,.94),rgba(6,182,212,.88)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      color:#fff;
      box-shadow:var(--shadow-glow);
    }
    .cta::after{
      content:"";
      position:absolute;
      width:320px;
      height:320px;
      border-radius:50%;
      right:-100px;
      top:-120px;
      background:rgba(255,255,255,.16);
    }
    .cta-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1fr 380px;
      gap:34px;
      align-items:center;
    }
    .cta h2{color:#fff;margin-bottom:12px}
    .cta p{color:rgba(255,255,255,.88);font-size:17px}
    .contact-card{
      background:rgba(255,255,255,.94);
      border-radius:26px;
      padding:24px;
      color:var(--text);
      box-shadow:0 22px 50px rgba(15,23,42,.22);
    }
    .contact-card label{display:block;color:var(--ink);font-weight:900;margin-bottom:7px;font-size:14px}
    .contact-card input,.contact-card textarea{
      width:100%;
      border:1px solid var(--border);
      outline:0;
      border-radius:14px;
      padding:12px 14px;
      margin-bottom:12px;
      color:var(--text);
      background:#fff;
      transition:var(--transition);
    }
    .contact-card textarea{min-height:92px;resize:vertical}
    .contact-card input:focus,.contact-card textarea:focus{
      border-color:var(--primary);
      box-shadow:0 0 0 4px rgba(124,58,237,.12);
    }
    .site-footer{
      background:#0b1020;
      color:#94a3b8;
      padding:58px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.05fr 1.6fr .95fr;
      gap:34px;
      padding-bottom:36px;
      border-bottom:1px solid rgba(148,163,184,.18);
    }
    .footer-brand{color:#fff;margin-bottom:14px}
    .site-footer p{color:#94a3b8;font-size:14px}
    .footer-links{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:24px;
    }
    .footer-links h4{
      color:#fff;
      margin-bottom:12px;
      font-size:15px;
    }
    .footer-links a,.footer-bottom a{
      display:block;
      color:#94a3b8;
      font-size:14px;
      margin:8px 0;
      transition:var(--transition);
    }
    .footer-links a:hover,.footer-bottom a:hover{color:#fff;transform:translateX(2px)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:20px;
      padding-top:22px;
      font-size:13px;
      color:#94a3b8;
    }
    .footer-bottom a{display:inline;margin:0}
    .bottom-tabs{
      display:none;
      position:fixed;
      left:12px;
      right:12px;
      bottom:12px;
      z-index:120;
      background:rgba(255,255,255,.92);
      backdrop-filter:blur(18px);
      border:1px solid rgba(226,232,240,.9);
      border-radius:24px;
      box-shadow:0 18px 48px rgba(15,23,42,.16);
      padding:8px;
      grid-template-columns:repeat(5,1fr);
      gap:4px;
    }
    .bottom-tabs a{
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:3px;
      min-height:52px;
      border-radius:18px;
      color:#64748b;
      font-size:11px;
      font-weight:800;
      transition:var(--transition);
      text-align:center;
    }
    .bottom-tabs a .ico{font-size:18px;line-height:1}
    .bottom-tabs a.active{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 10px 22px rgba(124,58,237,.22);
    }
    .notice-bar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:16px 18px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
      margin-top:-28px;
      position:relative;
      z-index:4;
    }
    .notice-bar strong{color:var(--ink)}
    .notice-bar span{color:var(--muted);font-size:14px}
    .pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
    .content-note{
      padding:24px;
      border-radius:26px;
      background:linear-gradient(135deg,#fff,#f8fafc);
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
    }
    .content-note h3{color:var(--ink);font-size:22px;margin-bottom:12px}
    .content-note p{color:var(--muted);margin-bottom:12px}
    @media (max-width:1120px){
      .desktop-nav{display:none}
      .mobile-toggle{display:inline-flex;align-items:center;justify-content:center}
      .nav-search{display:none}
      .mobile-panel.show{display:grid}
      .hero-grid,.split,.cta-grid{grid-template-columns:1fr}
      .media-card{max-width:720px}
      .grid-4{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      body{padding-bottom:86px}
      .container{width:min(100% - 28px,var(--container))}
      .site-header .btn-primary{display:none}
      .hero{padding:54px 0 36px}
      .hero p{font-size:16px}
      .media-card img{height:280px}
      .media-floating{left:14px;right:14px;width:auto}
      .section{padding:56px 0}
      .section-head{display:block}
      .section-desc{margin-top:12px}
      .grid-3,.grid-4,.grid-2,.stats{grid-template-columns:1fr}
      .timeline-item{grid-template-columns:1fr}
      .cta{padding:30px 22px;border-radius:28px}
      .footer-links{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column}
      .bottom-tabs{display:grid}
    }
    @media (max-width:520px){
      .brand{font-size:18px}
      .brand-mark{width:34px;height:34px;border-radius:12px}
      .mobile-panel{grid-template-columns:1fr}
      .hero-actions .btn{width:100%}
      .card{padding:20px}
      .split-media,.split-media img{min-height:320px;height:320px}
      .notice-bar{align-items:flex-start;flex-direction:column}
      .bottom-tabs{left:8px;right:8px;bottom:8px;border-radius:20px}
      .bottom-tabs a{font-size:10px}
    }

/* roulang page: category4 */
:root{
      --bg:#0b1020;
      --bg-soft:#111a33;
      --surface:#ffffff;
      --surface-soft:#f6f8fc;
      --surface-warm:#fff8ef;
      --text:#172033;
      --muted:#657086;
      --muted-2:#8b95a8;
      --primary:#ff6a2a;
      --primary-dark:#e75013;
      --secondary:#6d5dfc;
      --accent:#19c7a5;
      --gold:#f6b73c;
      --border:#e7ebf3;
      --border-dark:rgba(255,255,255,.14);
      --shadow:0 18px 48px rgba(17,31,64,.12);
      --shadow-soft:0 10px 30px rgba(17,31,64,.08);
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --container:1180px;
      --header-h:78px;
      --ease:all .25s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      min-height:100vh;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:linear-gradient(180deg,#fbfcff 0%,#f7f9fd 42%,#fff 100%);
      line-height:1.72;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0;background:none}
    input,textarea{outline:none}
    ::selection{background:rgba(255,106,42,.18);color:var(--primary-dark)}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:100;
      background:rgba(255,255,255,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(231,235,243,.84);
      box-shadow:0 8px 28px rgba(20,32,60,.05);
    }
    .nav-wrap{
      height:var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand,.footer-brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      font-weight:900;
      letter-spacing:.02em;
      color:#101828;
      white-space:nowrap;
    }
    .brand{font-size:21px}
    .brand-mark{
      width:38px;
      height:38px;
      display:inline-grid;
      place-items:center;
      border-radius:13px;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 12px 24px rgba(255,106,42,.28);
    }
    .desktop-nav{
      display:flex;
      align-items:center;
      gap:4px;
      padding:6px;
      border:1px solid rgba(231,235,243,.9);
      border-radius:999px;
      background:rgba(246,248,252,.86);
    }
    .desktop-nav a{
      display:inline-flex;
      align-items:center;
      min-height:38px;
      padding:0 14px;
      border-radius:999px;
      color:#4b5568;
      font-size:14px;
      font-weight:700;
      transition:var(--ease);
    }
    .desktop-nav a:hover{
      color:var(--primary-dark);
      background:#fff;
      box-shadow:0 8px 18px rgba(17,31,64,.08);
      transform:translateY(-1px);
    }
    .desktop-nav a.active{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 10px 22px rgba(109,93,252,.22);
    }
    .nav-actions{display:flex;align-items:center;gap:10px}
    .nav-search{
      width:210px;
      height:42px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 12px;
      border:1px solid var(--border);
      border-radius:999px;
      background:#fff;
      color:var(--muted-2);
      transition:var(--ease);
    }
    .nav-search:focus-within{
      border-color:rgba(255,106,42,.55);
      box-shadow:0 0 0 4px rgba(255,106,42,.12);
    }
    .nav-search input{
      width:100%;
      border:0;
      color:var(--text);
      background:transparent;
      font-size:13px;
    }
    .nav-search input::placeholder{color:#98a2b3}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:0 18px;
      border-radius:999px;
      font-weight:800;
      font-size:14px;
      line-height:1;
      transition:var(--ease);
      user-select:none;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-dark));
      box-shadow:0 14px 28px rgba(255,106,42,.28);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,106,42,.34)}
    .btn-secondary{
      color:#241b10;
      background:#fff;
      border:1px solid rgba(255,255,255,.72);
      box-shadow:0 12px 26px rgba(17,31,64,.12);
    }
    .btn-secondary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(17,31,64,.16)}
    .btn-ghost{
      color:var(--text);
      background:#fff;
      border:1px solid var(--border);
    }
    .btn-ghost:hover{
      color:var(--primary-dark);
      border-color:rgba(255,106,42,.35);
      box-shadow:var(--shadow-soft);
      transform:translateY(-2px);
    }
    .mobile-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      color:#101828;
      background:#fff;
      border:1px solid var(--border);
      font-size:20px;
      transition:var(--ease);
    }
    .mobile-toggle:hover{border-color:rgba(255,106,42,.4);color:var(--primary-dark)}
    .mobile-panel{
      display:none;
      padding:0 0 16px;
      grid-template-columns:1fr 1fr;
      gap:10px;
    }
    .mobile-panel a{
      padding:12px 14px;
      border-radius:16px;
      background:#fff;
      border:1px solid var(--border);
      color:#4b5568;
      font-weight:800;
      font-size:14px;
      transition:var(--ease);
    }
    .mobile-panel a.active{
      color:#fff;
      border-color:transparent;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
    }
    .mobile-panel.open{display:grid}
    .hero{
      position:relative;
      padding:86px 0 58px;
      overflow:hidden;
      background:
        linear-gradient(90deg,rgba(11,16,32,.93),rgba(11,16,32,.70) 54%,rgba(11,16,32,.42)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      color:#fff;
    }
    .hero:after{
      content:"";
      position:absolute;
      inset:auto -12% -38% auto;
      width:520px;
      height:520px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(255,106,42,.42),rgba(109,93,252,.12) 45%,transparent 68%);
      filter:blur(8px);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:42px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      width:max-content;
      padding:8px 13px;
      border-radius:999px;
      font-size:13px;
      font-weight:900;
      color:#fff;
      border:1px solid rgba(255,255,255,.22);
      background:rgba(255,255,255,.12);
      backdrop-filter:blur(12px);
    }
    .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 6px rgba(25,199,165,.15);
    }
    h1{
      margin-top:20px;
      font-size:clamp(38px,5vw,66px);
      line-height:1.08;
      letter-spacing:-.05em;
      max-width:820px;
    }
    .hero p{
      margin-top:22px;
      max-width:700px;
      color:rgba(255,255,255,.82);
      font-size:18px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:32px;
    }
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:34px;
      max-width:720px;
    }
    .metric{
      padding:18px;
      border:1px solid rgba(255,255,255,.16);
      border-radius:20px;
      background:rgba(255,255,255,.10);
      backdrop-filter:blur(14px);
    }
    .metric strong{
      display:block;
      font-size:27px;
      line-height:1.1;
      letter-spacing:-.02em;
    }
    .metric span{
      display:block;
      margin-top:7px;
      color:rgba(255,255,255,.72);
      font-size:13px;
    }
    .hero-card{
      position:relative;
      padding:16px;
      border-radius:32px;
      background:rgba(255,255,255,.13);
      border:1px solid rgba(255,255,255,.20);
      box-shadow:0 34px 80px rgba(0,0,0,.28);
      backdrop-filter:blur(16px);
    }
    .hero-card img{
      width:100%;
      height:380px;
      object-fit:cover;
      border-radius:24px;
    }
    .floating-note{
      position:absolute;
      left:-20px;
      bottom:30px;
      width:min(270px,75%);
      padding:18px;
      border-radius:22px;
      background:#fff;
      color:var(--text);
      box-shadow:var(--shadow);
    }
    .floating-note b{
      display:block;
      margin-bottom:5px;
      font-size:17px;
    }
    .floating-note span{color:var(--muted);font-size:13px}
    main{position:relative}
    .section{padding:74px 0}
    .section-tight{padding:58px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:30px;
    }
    .section-title{
      max-width:760px;
    }
    .section-title .kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:10px;
      color:var(--primary-dark);
      font-size:13px;
      font-weight:900;
      letter-spacing:.08em;
    }
    .section-title h2{
      font-size:clamp(28px,3.2vw,44px);
      line-height:1.18;
      letter-spacing:-.04em;
      color:#111827;
    }
    .section-title p{
      margin-top:12px;
      color:var(--muted);
      font-size:16px;
      max-width:780px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(109,93,252,.10);
      color:#5346d8;
      font-size:12px;
      font-weight:900;
      white-space:nowrap;
    }
    .grid-3{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:20px;
    }
    .grid-4{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }
    .card{
      position:relative;
      padding:26px;
      border-radius:var(--radius-md);
      border:1px solid var(--border);
      background:rgba(255,255,255,.92);
      box-shadow:var(--shadow-soft);
      transition:var(--ease);
      overflow:hidden;
    }
    .card:before{
      content:"";
      position:absolute;
      inset:0 0 auto;
      height:4px;
      background:linear-gradient(90deg,var(--primary),var(--secondary),var(--accent));
      opacity:0;
      transition:var(--ease);
    }
    .card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow);
      border-color:rgba(255,106,42,.25);
    }
    .card:hover:before{opacity:1}
    .icon{
      width:48px;
      height:48px;
      display:grid;
      place-items:center;
      border-radius:16px;
      background:linear-gradient(135deg,rgba(255,106,42,.12),rgba(109,93,252,.12));
      color:var(--primary-dark);
      font-size:22px;
      margin-bottom:18px;
    }
    .card h3{
      font-size:20px;
      line-height:1.35;
      margin-bottom:10px;
      color:#111827;
    }
    .card p{color:var(--muted);font-size:15px}
    .card ul{
      margin-top:16px;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .card li{
      position:relative;
      padding-left:22px;
      color:#4d5870;
      font-size:14px;
    }
    .card li:before{
      content:"";
      position:absolute;
      left:0;
      top:.72em;
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
    }
    .image-split{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:34px;
      align-items:center;
    }
    .image-frame{
      position:relative;
      border-radius:32px;
      overflow:hidden;
      box-shadow:var(--shadow);
      background:#111827;
    }
    .image-frame img{
      width:100%;
      height:470px;
      object-fit:cover;
      opacity:.95;
      transition:transform .5s ease;
    }
    .image-frame:hover img{transform:scale(1.04)}
    .image-caption{
      position:absolute;
      left:18px;
      right:18px;
      bottom:18px;
      padding:18px;
      border-radius:20px;
      color:#fff;
      background:rgba(11,16,32,.68);
      backdrop-filter:blur(14px);
      border:1px solid rgba(255,255,255,.16);
    }
    .content-panel{
      padding:34px;
      border-radius:32px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-soft);
    }
    .content-panel h2{
      font-size:clamp(28px,3vw,42px);
      line-height:1.2;
      letter-spacing:-.04em;
      margin-bottom:18px;
    }
    .content-panel p{
      color:var(--muted);
      margin-bottom:14px;
    }
    .feature-list{
      display:grid;
      gap:12px;
      margin-top:22px;
      list-style:none;
    }
    .feature-list li{
      display:flex;
      gap:12px;
      padding:14px;
      border-radius:16px;
      background:var(--surface-soft);
      color:#4d5870;
      font-weight:700;
    }
    .feature-list li span{
      flex:0 0 26px;
      width:26px;
      height:26px;
      display:grid;
      place-items:center;
      border-radius:9px;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      font-size:13px;
    }
    .scenario{
      background:linear-gradient(180deg,#fff,#f6f8fc);
    }
    .scenario-card{
      min-height:250px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .scenario-card .topline{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:18px;
    }
    .scenario-card strong{
      color:#111827;
      font-size:18px;
    }
    .scenario-card em{
      font-style:normal;
      color:var(--primary-dark);
      font-weight:900;
      font-size:13px;
    }
    .process-wrap{
      position:relative;
      padding:34px;
      border-radius:32px;
      background:linear-gradient(135deg,#111a33,#18264b);
      color:#fff;
      overflow:hidden;
    }
    .process-wrap:before{
      content:"";
      position:absolute;
      right:-120px;
      top:-150px;
      width:360px;
      height:360px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(255,106,42,.38),transparent 65%);
    }
    .process-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:14px;
    }
    .step{
      padding:20px;
      border-radius:22px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(10px);
    }
    .step .num{
      display:inline-grid;
      place-items:center;
      width:36px;
      height:36px;
      margin-bottom:16px;
      border-radius:13px;
      background:#fff;
      color:var(--primary-dark);
      font-weight:900;
    }
    .step h3{font-size:17px;margin-bottom:8px}
    .step p{color:rgba(255,255,255,.72);font-size:14px}
    .partner-strip{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
      align-items:stretch;
    }
    .quote-box{
      padding:32px;
      border-radius:30px;
      background:var(--surface-warm);
      border:1px solid rgba(246,183,60,.22);
      box-shadow:var(--shadow-soft);
    }
    .quote-box blockquote{
      color:#342419;
      font-size:20px;
      line-height:1.65;
      font-weight:800;
    }
    .quote-box p{margin-top:18px;color:#7a5c3a}
    .data-board{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
    }
    .data-item{
      padding:22px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-soft);
    }
    .data-item strong{
      display:block;
      font-size:32px;
      color:#111827;
      letter-spacing:-.03em;
    }
    .data-item span{display:block;margin-top:6px;color:var(--muted);font-size:14px}
    .faq{
      display:grid;
      gap:14px;
    }
    .faq-item{
      border:1px solid var(--border);
      border-radius:20px;
      background:#fff;
      box-shadow:0 10px 26px rgba(17,31,64,.05);
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:20px 22px;
      color:#111827;
      font-weight:900;
      text-align:left;
    }
    .faq-question span:last-child{
      flex:0 0 30px;
      width:30px;
      height:30px;
      display:grid;
      place-items:center;
      border-radius:10px;
      color:var(--primary-dark);
      background:rgba(255,106,42,.10);
      transition:var(--ease);
    }
    .faq-answer{
      display:none;
      padding:0 22px 20px;
      color:var(--muted);
    }
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .contact-cta{
      position:relative;
      overflow:hidden;
      border-radius:36px;
      padding:46px;
      color:#fff;
      background:
        linear-gradient(135deg,rgba(11,16,32,.96),rgba(35,30,78,.86)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      box-shadow:0 28px 70px rgba(17,31,64,.22);
    }
    .contact-cta:after{
      content:"";
      position:absolute;
      right:-80px;
      bottom:-120px;
      width:340px;
      height:340px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(25,199,165,.34),transparent 66%);
    }
    .cta-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1fr .85fr;
      gap:34px;
      align-items:center;
    }
    .contact-cta h2{
      font-size:clamp(30px,3.5vw,48px);
      line-height:1.16;
      letter-spacing:-.04em;
      margin-bottom:14px;
    }
    .contact-cta p{color:rgba(255,255,255,.78);max-width:680px}
    .form-card{
      padding:24px;
      border-radius:26px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
      backdrop-filter:blur(14px);
    }
    .form-card label{
      display:block;
      color:rgba(255,255,255,.72);
      font-size:13px;
      font-weight:800;
      margin-bottom:7px;
    }
    .form-card input,.form-card textarea{
      width:100%;
      border:1px solid rgba(255,255,255,.18);
      border-radius:16px;
      padding:12px 14px;
      margin-bottom:13px;
      color:#fff;
      background:rgba(255,255,255,.10);
      transition:var(--ease);
    }
    .form-card textarea{min-height:86px;resize:vertical}
    .form-card input::placeholder,.form-card textarea::placeholder{color:rgba(255,255,255,.48)}
    .form-card input:focus,.form-card textarea:focus{
      border-color:rgba(255,255,255,.48);
      box-shadow:0 0 0 4px rgba(255,255,255,.10);
    }
    .site-footer{
      margin-top:74px;
      padding:58px 0 28px;
      color:rgba(255,255,255,.72);
      background:#0b1020;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr 1.5fr .9fr;
      gap:34px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .footer-brand{
      color:#fff;
      font-size:21px;
      margin-bottom:16px;
    }
    .footer-grid p{font-size:14px;color:rgba(255,255,255,.64)}
    .footer-links{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:24px;
    }
    .footer-links h4{
      color:#fff;
      margin-bottom:12px;
      font-size:15px;
    }
    .footer-links a{
      display:block;
      margin:8px 0;
      color:rgba(255,255,255,.64);
      font-size:14px;
      transition:var(--ease);
    }
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .footer-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      padding-top:22px;
      font-size:13px;
      color:rgba(255,255,255,.55);
    }
    .footer-bottom a{color:rgba(255,255,255,.72)}
    .footer-bottom a:hover{color:#fff}
    .bottom-tabs{
      display:none;
      position:fixed;
      left:12px;
      right:12px;
      bottom:12px;
      z-index:120;
      padding:8px;
      border-radius:24px;
      background:rgba(255,255,255,.92);
      backdrop-filter:blur(18px);
      box-shadow:0 16px 48px rgba(17,31,64,.22);
      border:1px solid rgba(231,235,243,.9);
    }
    .bottom-tabs a{
      flex:1;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:3px;
      min-height:54px;
      border-radius:18px;
      color:#647084;
      font-size:11px;
      font-weight:900;
      transition:var(--ease);
    }
    .bottom-tabs i{font-style:normal;font-size:18px;line-height:1}
    .bottom-tabs a.active{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 10px 22px rgba(109,93,252,.22);
    }
    @media (max-width:1120px){
      .desktop-nav{display:none}
      .mobile-toggle{display:grid;place-items:center}
      .nav-search{width:190px}
      .hero-grid,.image-split,.cta-grid{grid-template-columns:1fr}
      .hero-card{max-width:650px}
      .process-grid{grid-template-columns:repeat(3,1fr)}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:860px){
      .section{padding:58px 0}
      .section-head{display:block}
      .section-head .badge{margin-top:14px}
      .grid-3,.grid-4,.partner-strip{grid-template-columns:1fr 1fr}
      .hero{padding:64px 0 48px}
      .hero-metrics{grid-template-columns:1fr 1fr}
      .process-grid{grid-template-columns:1fr 1fr}
      .footer-links{grid-template-columns:1fr 1fr}
      .footer-bottom{display:block}
      .footer-bottom>div+div{margin-top:12px}
    }
    @media (max-width:620px){
      :root{--header-h:66px}
      body{padding-bottom:88px}
      .container{width:min(100% - 28px,var(--container))}
      .brand{font-size:18px}
      .brand-mark{width:34px;height:34px;border-radius:12px}
      .nav-search{display:none}
      .nav-actions .btn-primary{display:none}
      .mobile-panel{grid-template-columns:1fr}
      .hero p{font-size:16px}
      .hero-actions .btn{width:100%}
      .hero-metrics,.grid-3,.grid-4,.partner-strip,.data-board,.process-grid{grid-template-columns:1fr}
      .hero-card img{height:300px}
      .floating-note{position:relative;left:auto;bottom:auto;width:auto;margin-top:12px}
      .image-frame img{height:320px}
      .content-panel,.process-wrap,.contact-cta{padding:24px;border-radius:26px}
      .footer-links{grid-template-columns:1fr}
      .bottom-tabs{display:flex}
    }

/* roulang page: category5 */
:root{
      --bg:#0b1020;
      --bg-soft:#101a33;
      --surface:#ffffff;
      --surface-soft:#f6f8fc;
      --surface-warm:#fff8ef;
      --text:#172033;
      --muted:#657189;
      --weak:#8b96aa;
      --primary:#7c3aed;
      --primary-dark:#5b21b6;
      --primary-soft:#ede9fe;
      --accent:#f59e0b;
      --accent-soft:#fff3d8;
      --teal:#13b8a6;
      --danger:#ef4444;
      --border:#e5e9f2;
      --border-dark:rgba(255,255,255,.14);
      --shadow:0 18px 55px rgba(19,26,45,.12);
      --shadow-soft:0 12px 32px rgba(19,26,45,.08);
      --radius:24px;
      --radius-md:18px;
      --radius-sm:12px;
      --container:1180px;
      --header-h:76px;
      --ease:.25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:linear-gradient(180deg,#fbfcff 0%,#f5f7fb 48%,#fff 100%);
      line-height:1.75;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    input,textarea{outline:none}
    ::selection{background:var(--primary);color:#fff}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .section{padding:84px 0}
    .section-tight{padding:56px 0}
    .section-head{
      display:flex;
      justify-content:space-between;
      gap:28px;
      align-items:flex-end;
      margin-bottom:34px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary-dark);
      background:var(--primary-soft);
      padding:7px 12px;
      border-radius:999px;
      font-weight:700;
      font-size:13px;
      letter-spacing:.02em;
      margin-bottom:12px;
    }
    .section-title{
      margin:0;
      font-size:clamp(28px,3.4vw,44px);
      line-height:1.18;
      letter-spacing:-.04em;
    }
    .section-desc{
      margin:10px 0 0;
      color:var(--muted);
      max-width:680px;
      font-size:17px;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:80;
      background:rgba(255,255,255,.86);
      backdrop-filter:saturate(170%) blur(18px);
      border-bottom:1px solid rgba(229,233,242,.78);
    }
    .nav-wrap{
      min-height:var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand,.footer-brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      font-weight:900;
      color:#101827;
      letter-spacing:-.03em;
      white-space:nowrap;
      font-size:20px;
    }
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:14px;
      display:inline-grid;
      place-items:center;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary) 0%,#d946ef 55%,var(--accent) 100%);
      box-shadow:0 10px 24px rgba(124,58,237,.28);
      flex:0 0 auto;
    }
    .desktop-nav{
      display:flex;
      align-items:center;
      gap:4px;
      padding:6px;
      background:#f1f4fa;
      border:1px solid #e7ebf3;
      border-radius:999px;
      overflow:hidden;
    }
    .desktop-nav a{
      padding:9px 13px;
      border-radius:999px;
      color:#526079;
      font-weight:700;
      font-size:14px;
      transition:background var(--ease),color var(--ease),box-shadow var(--ease),transform var(--ease);
      white-space:nowrap;
    }
    .desktop-nav a:hover{
      color:var(--primary-dark);
      background:#fff;
      box-shadow:0 8px 20px rgba(19,26,45,.08);
    }
    .desktop-nav a.active{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-dark));
      box-shadow:0 10px 22px rgba(124,58,237,.25);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .nav-search{
      height:42px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 12px;
      border:1px solid var(--border);
      border-radius:999px;
      background:#fff;
      color:var(--weak);
      transition:border-color var(--ease),box-shadow var(--ease);
    }
    .nav-search:focus-within{
      border-color:rgba(124,58,237,.6);
      box-shadow:0 0 0 4px rgba(124,58,237,.12);
    }
    .nav-search input{
      width:150px;
      border:0;
      background:transparent;
      color:var(--text);
      font-size:14px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:12px 18px;
      border-radius:999px;
      font-weight:800;
      transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,.desktop-nav a:focus-visible,.mobile-panel a:focus-visible,.footer-links a:focus-visible,.bottom-tab a:focus-visible{
      outline:3px solid rgba(245,158,11,.36);
      outline-offset:3px;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-dark));
      box-shadow:0 14px 28px rgba(124,58,237,.26);
    }
    .btn-primary:hover{box-shadow:0 18px 38px rgba(124,58,237,.34)}
    .btn-secondary{
      color:var(--primary-dark);
      background:#fff;
      border-color:#ddd6fe;
      box-shadow:0 12px 26px rgba(19,26,45,.08);
    }
    .btn-secondary:hover{border-color:var(--primary);box-shadow:0 16px 34px rgba(19,26,45,.12)}
    .btn-ghost{
      color:#fff;
      border-color:rgba(255,255,255,.25);
      background:rgba(255,255,255,.08);
    }
    .btn-ghost:hover{background:rgba(255,255,255,.14)}
    .mobile-toggle{
      display:none;
      width:42px;
      height:42px;
      border-radius:14px;
      background:#f1f4fa;
      color:var(--text);
      font-size:20px;
    }
    .mobile-panel{
      display:none;
      padding:0 0 14px;
      gap:8px;
      flex-wrap:wrap;
    }
    .mobile-panel a{
      padding:9px 12px;
      border-radius:999px;
      background:#f4f6fb;
      color:#536079;
      font-weight:700;
      font-size:14px;
    }
    .mobile-panel a.active{background:var(--primary);color:#fff}
    .hero{
      position:relative;
      overflow:hidden;
      color:#fff;
      background:
        linear-gradient(120deg,rgba(8,13,32,.94),rgba(45,24,91,.85) 52%,rgba(111,61,20,.72)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      padding:92px 0 76px;
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:auto -12% -34% 48%;
      width:720px;
      height:720px;
      background:radial-gradient(circle,rgba(245,158,11,.32),transparent 64%);
      pointer-events:none;
    }
    .hero:after{
      content:"";
      position:absolute;
      inset:0;
      background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
      background-size:48px 48px;
      mask-image:linear-gradient(180deg,#000,transparent 86%);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1.08fr) minmax(340px,.72fr);
      gap:44px;
      align-items:center;
    }
    .hero-badge{
      display:inline-flex;
      gap:8px;
      align-items:center;
      padding:8px 13px;
      border:1px solid rgba(255,255,255,.22);
      background:rgba(255,255,255,.1);
      border-radius:999px;
      color:#fef3c7;
      font-weight:800;
      font-size:14px;
      margin-bottom:20px;
      backdrop-filter:blur(10px);
    }
    .hero h1{
      margin:0;
      font-size:clamp(38px,5vw,68px);
      line-height:1.04;
      letter-spacing:-.06em;
      max-width:850px;
    }
    .hero p{
      margin:22px 0 0;
      color:#dbe4ff;
      max-width:760px;
      font-size:18px;
    }
    .hero-actions{
      display:flex;
      gap:14px;
      flex-wrap:wrap;
      margin-top:32px;
    }
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      margin-top:38px;
      max-width:760px;
    }
    .metric{
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.08);
      border-radius:18px;
      padding:18px;
      backdrop-filter:blur(12px);
    }
    .metric strong{
      display:block;
      font-size:28px;
      line-height:1.1;
      color:#fff;
      letter-spacing:-.04em;
    }
    .metric span{display:block;margin-top:6px;color:#c8d2ee;font-size:13px}
    .hero-card{
      background:rgba(255,255,255,.11);
      border:1px solid rgba(255,255,255,.18);
      border-radius:30px;
      padding:18px;
      box-shadow:0 30px 80px rgba(0,0,0,.28);
      backdrop-filter:blur(16px);
    }
    .hero-card img{
      width:100%;
      aspect-ratio:4/3;
      object-fit:cover;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.16);
    }
    .hero-card-body{padding:20px 10px 6px}
    .status-row{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      padding:14px 0;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .status-row:last-child{border-bottom:0}
    .status-row b{color:#fff}
    .status-row span{color:#c9d3ee;font-size:14px}
    .pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:999px;
      background:var(--accent-soft);
      color:#9a5b00;
      font-size:13px;
      font-weight:800;
    }
    .pill.purple{background:var(--primary-soft);color:var(--primary-dark)}
    .pill.green{background:#dcfce7;color:#166534}
    .pill.dark{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.14)}
    .grid-3{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:22px;
    }
    .grid-2{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:24px;
    }
    .card{
      background:var(--surface);
      border:1px solid var(--border);
      border-radius:var(--radius);
      padding:26px;
      box-shadow:var(--shadow-soft);
      transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
    }
    .card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow);
      border-color:#d7dff0;
    }
    .card h3{
      margin:14px 0 8px;
      font-size:22px;
      line-height:1.25;
      letter-spacing:-.03em;
    }
    .card p{margin:0;color:var(--muted)}
    .icon{
      width:46px;
      height:46px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:#fff;
      font-size:22px;
      background:linear-gradient(135deg,var(--primary),#d946ef);
      box-shadow:0 12px 24px rgba(124,58,237,.22);
    }
    .icon.amber{background:linear-gradient(135deg,var(--accent),#ef4444)}
    .icon.teal{background:linear-gradient(135deg,var(--teal),#2563eb)}
    .split{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:36px;
      align-items:center;
    }
    .image-card{
      position:relative;
      overflow:hidden;
      border-radius:30px;
      box-shadow:var(--shadow);
      background:#111827;
      min-height:420px;
    }
    .image-card img{
      width:100%;
      height:100%;
      min-height:420px;
      object-fit:cover;
      opacity:.88;
    }
    .image-card .float-note{
      position:absolute;
      left:22px;
      right:22px;
      bottom:22px;
      padding:20px;
      border-radius:22px;
      background:rgba(255,255,255,.9);
      backdrop-filter:blur(16px);
      box-shadow:0 18px 45px rgba(0,0,0,.18);
    }
    .float-note b{display:block;font-size:20px;margin-bottom:6px}
    .float-note span{color:var(--muted)}
    .check-list{
      list-style:none;
      padding:0;
      margin:22px 0 0;
      display:grid;
      gap:12px;
    }
    .check-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      color:#41506a;
      background:#fff;
      border:1px solid var(--border);
      border-radius:16px;
      padding:14px 16px;
    }
    .check-list li:before{
      content:"✓";
      display:inline-grid;
      place-items:center;
      width:24px;
      height:24px;
      flex:0 0 auto;
      border-radius:50%;
      color:#fff;
      background:var(--teal);
      font-weight:900;
      margin-top:1px;
    }
    .dark-section{
      background:
        radial-gradient(circle at 12% 20%,rgba(124,58,237,.32),transparent 28%),
        radial-gradient(circle at 88% 74%,rgba(245,158,11,.22),transparent 26%),
        #0c1224;
      color:#fff;
      position:relative;
      overflow:hidden;
    }
    .dark-section .section-desc{color:#bdc7df}
    .dark-section .section-kicker{background:rgba(255,255,255,.1);color:#fde68a;border:1px solid rgba(255,255,255,.12)}
    .dark-card{
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.13);
      border-radius:var(--radius);
      padding:26px;
      backdrop-filter:blur(14px);
      transition:transform var(--ease),background var(--ease),border-color var(--ease);
    }
    .dark-card:hover{
      transform:translateY(-4px);
      background:rgba(255,255,255,.12);
      border-color:rgba(255,255,255,.24);
    }
    .dark-card h3{margin:14px 0 8px;font-size:21px}
    .dark-card p{margin:0;color:#cbd5e1}
    .process{
      counter-reset:step;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }
    .step{
      position:relative;
      background:#fff;
      border:1px solid var(--border);
      border-radius:24px;
      padding:26px 22px;
      box-shadow:var(--shadow-soft);
    }
    .step:before{
      counter-increment:step;
      content:"0" counter(step);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:48px;
      height:48px;
      border-radius:16px;
      background:var(--bg-soft);
      color:#fff;
      font-weight:900;
      margin-bottom:18px;
    }
    .step h3{margin:0 0 8px;font-size:20px}
    .step p{margin:0;color:var(--muted)}
    .scenario-card{
      display:grid;
      grid-template-columns:160px 1fr;
      gap:20px;
      align-items:center;
      background:#fff;
      border:1px solid var(--border);
      border-radius:26px;
      padding:16px;
      box-shadow:var(--shadow-soft);
      transition:transform var(--ease),box-shadow var(--ease);
    }
    .scenario-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .scenario-card img{
      width:160px;
      height:128px;
      object-fit:cover;
      border-radius:20px;
    }
    .scenario-card h3{margin:0 0 8px;font-size:21px}
    .scenario-card p{margin:0;color:var(--muted)}
    .timeline{
      position:relative;
      display:grid;
      gap:16px;
    }
    .timeline:before{
      content:"";
      position:absolute;
      left:23px;
      top:12px;
      bottom:12px;
      width:2px;
      background:#dfe5f0;
    }
    .timeline-item{
      position:relative;
      display:grid;
      grid-template-columns:48px 1fr;
      gap:16px;
    }
    .timeline-dot{
      width:48px;
      height:48px;
      border-radius:16px;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      color:#fff;
      display:grid;
      place-items:center;
      font-weight:900;
      z-index:1;
      box-shadow:0 12px 26px rgba(124,58,237,.22);
    }
    .timeline-box{
      background:#fff;
      border:1px solid var(--border);
      border-radius:22px;
      padding:20px;
      box-shadow:var(--shadow-soft);
    }
    .timeline-box h3{margin:0 0 6px;font-size:20px}
    .timeline-box p{margin:0;color:var(--muted)}
    .faq{
      display:grid;
      gap:14px;
    }
    .faq-item{
      background:#fff;
      border:1px solid var(--border);
      border-radius:20px;
      overflow:hidden;
      box-shadow:var(--shadow-soft);
    }
    .faq-q{
      width:100%;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:18px;
      padding:20px 22px;
      background:#fff;
      color:var(--text);
      text-align:left;
      font-weight:900;
      font-size:17px;
    }
    .faq-q span:last-child{
      width:28px;
      height:28px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:#f1f4fa;
      color:var(--primary);
      transition:transform var(--ease),background var(--ease);
      flex:0 0 auto;
    }
    .faq-a{
      display:none;
      padding:0 22px 20px;
      color:var(--muted);
    }
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg);background:var(--primary-soft)}
    .contact-panel{
      display:grid;
      grid-template-columns:1fr .82fr;
      gap:28px;
      align-items:stretch;
      padding:34px;
      border-radius:34px;
      background:
        linear-gradient(135deg,rgba(124,58,237,.94),rgba(91,33,182,.96)),
        url('/assets/images/backpic/back-1.webp') center/cover;
      color:#fff;
      box-shadow:0 26px 70px rgba(91,33,182,.28);
      overflow:hidden;
      position:relative;
    }
    .contact-panel:after{
      content:"";
      position:absolute;
      width:360px;
      height:360px;
      border-radius:50%;
      right:-120px;
      top:-120px;
      background:rgba(245,158,11,.22);
    }
    .contact-copy,.contact-form{position:relative;z-index:1}
    .contact-copy h2{margin:0;font-size:clamp(28px,3.5vw,46px);line-height:1.16;letter-spacing:-.04em}
    .contact-copy p{color:#e9ddff;margin:16px 0 0;max-width:680px}
    .contact-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
    .contact-form{
      background:rgba(255,255,255,.94);
      color:var(--text);
      border-radius:26px;
      padding:24px;
      box-shadow:0 18px 46px rgba(0,0,0,.14);
    }
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .field{margin-bottom:12px}
    .field label{
      display:block;
      font-weight:800;
      margin-bottom:6px;
      color:#2b3448;
      font-size:14px;
    }
    .field input,.field textarea{
      width:100%;
      border:1px solid var(--border);
      border-radius:14px;
      padding:12px 13px;
      background:#fbfcff;
      color:var(--text);
      transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
    }
    .field input:focus,.field textarea:focus{
      border-color:var(--primary);
      box-shadow:0 0 0 4px rgba(124,58,237,.12);
      background:#fff;
    }
    .field textarea{min-height:108px;resize:vertical}
    .form-tip{font-size:13px;color:var(--muted);margin:10px 0 0}
    .site-footer{
      background:#090f1f;
      color:#b9c4d8;
      padding:64px 0 28px;
    }
    .site-footer .brand-mark{box-shadow:none}
    .footer-brand{color:#fff;margin-bottom:14px}
    .site-footer p{margin:0;color:#aeb9ce}
    .footer-grid{
      display:grid;
      grid-template-columns:1.05fr 1.4fr .85fr;
      gap:38px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .footer-links{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:24px;
    }
    .footer-links h4{
      margin:0 0 12px;
      color:#fff;
      font-size:16px;
    }
    .footer-links a{
      display:block;
      color:#b9c4d8;
      margin:8px 0;
      transition:color var(--ease),transform var(--ease);
    }
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:24px;
      align-items:center;
      padding-top:24px;
      color:#91a0ba;
      font-size:14px;
    }
    .footer-bottom a{color:#d7def0}
    .footer-bottom a:hover{color:#fff}
    .bottom-tab{
      display:none;
      position:fixed;
      left:12px;
      right:12px;
      bottom:12px;
      z-index:90;
      background:rgba(255,255,255,.94);
      backdrop-filter:blur(18px);
      border:1px solid rgba(229,233,242,.9);
      border-radius:22px;
      box-shadow:0 16px 48px rgba(19,26,45,.18);
      padding:8px;
    }
    .bottom-tab a{
      flex:1;
      display:flex;
      flex-direction:column;
      align-items:center;
      gap:3px;
      padding:7px 4px;
      border-radius:16px;
      color:#68758d;
      font-weight:800;
      font-size:11px;
      transition:background var(--ease),color var(--ease),transform var(--ease);
    }
    .bottom-tab i{font-style:normal;font-size:17px;line-height:1}
    .bottom-tab a.active{background:var(--primary-soft);color:var(--primary-dark)}
    .bottom-tab a:hover{transform:translateY(-2px);background:#f4f6fb}
    @media (max-width:1100px){
      .desktop-nav{max-width:520px;overflow-x:auto;scrollbar-width:none}
      .desktop-nav::-webkit-scrollbar{display:none}
      .nav-search{display:none}
      .hero-grid,.split,.contact-panel{grid-template-columns:1fr}
      .hero-card{max-width:620px}
      .process{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:820px){
      body{padding-bottom:82px}
      .container{width:min(100% - 28px,var(--container))}
      .section{padding:64px 0}
      .site-header{position:sticky}
      .desktop-nav{display:none}
      .mobile-toggle{display:grid;place-items:center}
      .nav-actions .btn-primary{display:none}
      .mobile-panel.show{display:flex}
      .hero{padding:70px 0 58px}
      .hero-grid{gap:28px}
      .hero-metrics,.grid-3,.grid-2{grid-template-columns:1fr}
      .section-head{display:block}
      .scenario-card{grid-template-columns:1fr}
      .scenario-card img{width:100%;height:190px}
      .footer-links{grid-template-columns:1fr 1fr}
      .footer-bottom{display:block}
      .footer-bottom>div+div{margin-top:12px}
      .bottom-tab{display:flex}
    }
    @media (max-width:560px){
      .brand{font-size:18px}
      .brand-mark{width:34px;height:34px;border-radius:12px}
      .nav-wrap{min-height:66px}
      .hero h1{font-size:38px}
      .hero p,.section-desc{font-size:16px}
      .hero-actions{display:grid}
      .hero-actions .btn{width:100%}
      .hero-metrics{gap:10px}
      .metric{padding:15px}
      .card,.dark-card{padding:22px}
      .process{grid-template-columns:1fr}
      .image-card,.image-card img{min-height:320px}
      .form-row{grid-template-columns:1fr}
      .contact-panel{padding:24px 18px;border-radius:26px}
      .contact-form{padding:18px}
      .footer-links{grid-template-columns:1fr}
      .mobile-panel a{font-size:13px}
    }