/* roulang page: index */
:root{
      --brand:#1769e0;
      --brand-2:#39a0ff;
      --brand-dark:#0b2447;
      --accent:#ffb547;
      --accent-2:#15c8a8;
      --bg:#f6f9fe;
      --surface:#ffffff;
      --surface-2:#eef6ff;
      --text:#102033;
      --muted:#607087;
      --soft:#8796aa;
      --border:#dce8f8;
      --border-strong:#c7d9ef;
      --danger:#e05252;
      --success:#13a982;
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:30px;
      --shadow:0 18px 45px rgba(15, 35, 68, .10);
      --shadow-card:0 14px 34px rgba(24, 55, 104, .11);
      --header-h:76px;
      --container:1180px;
    }

    *{box-sizing:border-box;}
    html{scroll-behavior:smooth;}
    body{
      margin:0;
      min-height:100vh;
      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% 8%, rgba(47,125,246,.12), transparent 28%),
        radial-gradient(circle at 86% 16%, rgba(57,160,255,.14), transparent 24%),
        linear-gradient(180deg,#f8fbff 0%,#f4f8ff 42%,#ffffff 100%);
      line-height:1.68;
      overflow-x:hidden;
      padding-bottom:0;
    }
    a{color:inherit;text-decoration:none;}
    img{display:block;max-width:100%;height:auto;}
    button,input,textarea,select{font:inherit;}
    button{border:0;cursor:pointer;}
    ::selection{background:rgba(23,105,224,.18);color:var(--brand-dark);}
    :focus-visible{outline:3px solid rgba(47,125,246,.32);outline-offset:3px;border-radius:10px;}

    .site-container{
      width:min(100% - 40px,var(--container));
      margin-inline:auto;
    }
    .section{
      padding:76px 0;
      position:relative;
    }
    .section-tight{padding:54px 0;}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:28px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--brand);
      background:rgba(23,105,224,.08);
      border:1px solid rgba(23,105,224,.12);
      border-radius:999px;
      padding:7px 12px;
      font-weight:800;
      font-size:13px;
      letter-spacing:.02em;
      margin-bottom:12px;
    }
    .section-title{
      font-size:clamp(28px,3.2vw,44px);
      line-height:1.16;
      letter-spacing:-.04em;
      font-weight:900;
      color:var(--brand-dark);
      margin:0;
    }
    .section-desc{
      color:var(--muted);
      font-size:16px;
      max-width:650px;
      margin:12px 0 0;
    }
    .mini-desc{color:var(--muted);font-size:14px;}
    .muted{color:var(--muted);}
    .divider{height:1px;background:linear-gradient(90deg,transparent,var(--border),transparent);}

    .topbar{
      position:sticky;
      top:0;
      z-index:60;
      height:var(--header-h);
      background:rgba(255,255,255,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(220,232,248,.88);
      transition:box-shadow .25s ease, background .25s ease;
    }
    .topbar.scrolled{box-shadow:0 12px 32px rgba(15,35,68,.08);background:rgba(255,255,255,.94);}
    .nav-wrap{
      height:var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:900;
      color:var(--brand-dark);
      letter-spacing:-.03em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 12px 24px rgba(23,105,224,.24);
      flex:0 0 auto;
    }
    .brand-text{
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:360px;
      font-size:18px;
    }
    .desktop-nav{
      display:flex;
      align-items:center;
      gap:10px;
      padding:6px;
      border-radius:999px;
      background:rgba(238,246,255,.78);
      border:1px solid rgba(199,217,239,.68);
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 16px;
      border-radius:999px;
      font-weight:800;
      color:#42556f;
      transition:background .2s ease,color .2s ease,transform .2s ease;
    }
    .nav-link:hover{background:#fff;color:var(--brand);transform:translateY(-1px);}
    .nav-link.active{background:var(--brand);color:#fff;box-shadow:0 10px 20px rgba(23,105,224,.22);}
    .header-actions{display:flex;align-items:center;gap:12px;}
    .quick-search{
      display:flex;
      align-items:center;
      gap:8px;
      width:230px;
      padding:9px 12px;
      border:1px solid var(--border);
      background:#fff;
      border-radius:999px;
      color:var(--soft);
      box-shadow:0 8px 18px rgba(15,35,68,.04);
    }
    .quick-search input{
      width:100%;
      border:0;
      outline:0;
      background:transparent;
      color:var(--text);
      font-size:14px;
    }
    .quick-search input::placeholder{color:#9aa9bb;}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:44px;
      padding:12px 18px;
      border-radius:999px;
      font-weight:900;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
      white-space:nowrap;
      user-select:none;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--brand),#4698ff);
      box-shadow:0 14px 26px rgba(23,105,224,.28);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(23,105,224,.34);}
    .btn-primary:active{transform:translateY(0);box-shadow:0 10px 20px rgba(23,105,224,.22);}
    .btn-secondary{
      color:var(--brand-dark);
      background:#fff;
      border:1px solid var(--border);
      box-shadow:0 10px 22px rgba(15,35,68,.06);
    }
    .btn-secondary:hover{border-color:#9fc2f2;color:var(--brand);transform:translateY(-2px);}
    .btn-ghost{
      color:var(--brand);
      background:rgba(23,105,224,.08);
      border:1px solid rgba(23,105,224,.12);
    }
    .btn-ghost:hover{background:rgba(23,105,224,.12);transform:translateY(-1px);}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border-radius:999px;
      padding:7px 11px;
      font-size:13px;
      font-weight:900;
      color:#1451a7;
      background:#eaf4ff;
      border:1px solid rgba(47,125,246,.14);
    }
    .badge-warm{color:#8a4d00;background:#fff3d9;border-color:#ffe0a3;}
    .badge-green{color:#08745e;background:#e9fbf7;border-color:#bdeee2;}
    .corner-badge{
      position:absolute;
      top:16px;
      right:16px;
      z-index:2;
      color:#fff;
      background:linear-gradient(135deg,#ff9d2e,#ff6b4a);
      border-radius:999px;
      padding:7px 12px;
      font-size:12px;
      font-weight:900;
      box-shadow:0 10px 20px rgba(255,107,74,.24);
    }
    .card{
      background:rgba(255,255,255,.92);
      border:1px solid rgba(220,232,248,.94);
      border-radius:var(--radius);
      box-shadow:var(--shadow-card);
      transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
    }
    .card:hover{transform:translateY(-4px);box-shadow:0 22px 48px rgba(24,55,104,.16);border-color:#bad4f3;}
    .icon-bubble{
      width:48px;
      height:48px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:var(--brand);
      background:linear-gradient(135deg,#edf6ff,#ffffff);
      border:1px solid var(--border);
      box-shadow:0 10px 18px rgba(23,105,224,.08);
      flex:0 0 auto;
    }

    .hero{
      padding:54px 0 70px;
    }
    .hero-stage{
      position:relative;
      overflow:hidden;
      border-radius:34px;
      min-height:560px;
      background:
        linear-gradient(135deg,rgba(9,43,91,.86),rgba(23,105,224,.76)),
        radial-gradient(circle at 70% 22%, rgba(255,255,255,.25), transparent 26%);
      box-shadow:0 30px 75px rgba(12,50,104,.22);
      isolation:isolate;
    }
    .hero-stage:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(255,255,255,.11) 1px,transparent 1px),
        linear-gradient(180deg,rgba(255,255,255,.09) 1px,transparent 1px);
      background-size:54px 54px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.75),rgba(0,0,0,.12));
      pointer-events:none;
    }
    .hero-stage:after{
      content:"";
      position:absolute;
      width:460px;
      height:460px;
      right:-150px;
      bottom:-170px;
      background:radial-gradient(circle,rgba(255,181,71,.42),transparent 62%);
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:28px;
      padding:48px;
      align-items:stretch;
    }
    .hero-copy{
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      min-height:460px;
      color:#fff;
    }
    .hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
    .hero-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 13px;
      border-radius:999px;
      color:#eaf4ff;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
      backdrop-filter:blur(10px);
      font-weight:800;
      font-size:13px;
    }
    h1.hero-title{
      margin:0;
      color:#fff;
      font-size:clamp(34px,5vw,66px);
      line-height:1.04;
      letter-spacing:-.065em;
      max-width:850px;
      font-weight:950;
    }
    .hero-lead{
      margin:20px 0 0;
      max-width:760px;
      color:rgba(255,255,255,.86);
      font-size:18px;
      line-height:1.85;
    }
    .hero-points{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      margin-top:34px;
    }
    .hero-point{
      border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.1);
      border-radius:18px;
      padding:16px;
      backdrop-filter:blur(12px);
    }
    .hero-point strong{display:block;color:#fff;font-size:22px;line-height:1.1;}
    .hero-point span{display:block;margin-top:8px;color:rgba(255,255,255,.74);font-size:13px;}

    .apply-panel{
      align-self:center;
      background:rgba(255,255,255,.94);
      color:var(--text);
      border:1px solid rgba(255,255,255,.48);
      border-radius:28px;
      padding:24px;
      box-shadow:0 25px 60px rgba(5,22,48,.24);
    }
    .apply-panel h2{
      margin:0;
      font-size:24px;
      line-height:1.25;
      letter-spacing:-.04em;
      color:var(--brand-dark);
      font-weight:950;
    }
    .apply-panel p{margin:10px 0 0;color:var(--muted);font-size:14px;}
    .apply-list{
      display:grid;
      gap:10px;
      margin:18px 0;
      padding:0;
      list-style:none;
    }
    .apply-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:11px 12px;
      border-radius:16px;
      background:#f4f8ff;
      border:1px solid #e2eefb;
      color:#40536e;
      font-size:14px;
    }
    .apply-form{
      display:grid;
      gap:12px;
      margin-top:18px;
    }
    .field{
      display:grid;
      gap:7px;
    }
    .field label{
      color:#2a3b52;
      font-size:13px;
      font-weight:900;
    }
    .field input,.field select,.field textarea{
      width:100%;
      min-height:46px;
      border:1px solid var(--border);
      background:#fff;
      border-radius:15px;
      padding:11px 13px;
      outline:none;
      transition:border-color .2s ease,box-shadow .2s ease;
      color:var(--text);
    }
    .field textarea{min-height:92px;resize:vertical;}
    .field input:focus,.field select:focus,.field textarea:focus{
      border-color:#83b4f4;
      box-shadow:0 0 0 4px rgba(47,125,246,.12);
    }
    .form-note{
      display:flex;
      align-items:center;
      gap:8px;
      color:#607087;
      font-size:12px;
      margin-top:10px;
    }

    .series-strip{
      display:grid;
      grid-template-columns:1.1fr .9fr .9fr .9fr;
      gap:18px;
    }
    .series-main{
      padding:26px;
      background:linear-gradient(135deg,#fff,#eef6ff);
      border-radius:var(--radius-lg);
      border:1px solid var(--border);
      box-shadow:var(--shadow);
    }
    .series-main h2{font-size:30px;letter-spacing:-.04em;line-height:1.18;margin:0;color:var(--brand-dark);font-weight:950;}
    .series-main p{margin:12px 0 20px;color:var(--muted);}
    .series-card{
      padding:22px;
      min-height:220px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .series-card h3,.hot-card h3,.scenario-card h3,.case-card h3,.security-card h3{
      margin:0;
      color:var(--brand-dark);
      font-weight:950;
      letter-spacing:-.025em;
    }
    .series-card p,.hot-card p,.scenario-card p,.case-card p,.security-card p{color:var(--muted);margin:10px 0 0;font-size:14px;}
    .link-arrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--brand);
      font-weight:900;
      margin-top:18px;
    }
    .link-arrow:hover{color:#0e55bf;}

    .promo-shell{
      border-radius:34px;
      background:linear-gradient(180deg,#ffffff,#f3f8ff);
      border:1px solid var(--border);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .promo-top{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:20px;
      padding:28px;
      border-bottom:1px solid var(--border);
      background:
        radial-gradient(circle at 10% 10%,rgba(255,181,71,.18),transparent 28%),
        linear-gradient(135deg,#f8fbff,#ffffff);
    }
    .promo-banner{
      position:relative;
      min-height:300px;
      border-radius:26px;
      padding:28px;
      overflow:hidden;
      color:#fff;
      background:
        linear-gradient(135deg,rgba(11,36,71,.94),rgba(23,105,224,.82)),
        radial-gradient(circle at 80% 20%,rgba(255,255,255,.28),transparent 26%);
      box-shadow:0 18px 40px rgba(11,36,71,.18);
    }
    .promo-banner:after{
      content:"";
      position:absolute;
      inset:auto -80px -120px auto;
      width:270px;height:270px;
      border-radius:50%;
      background:rgba(255,181,71,.36);
    }
    .promo-banner h2{position:relative;margin:0;font-size:34px;line-height:1.15;letter-spacing:-.045em;font-weight:950;}
    .promo-banner p{position:relative;color:rgba(255,255,255,.78);margin:14px 0 0;}
    .promo-tags{position:relative;display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
    .promo-tag{padding:8px 12px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.1);border-radius:999px;font-weight:800;font-size:13px;}
    .hot-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:16px;
    }
    .hot-card{
      position:relative;
      min-height:142px;
      padding:20px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:0 12px 24px rgba(24,55,104,.07);
    }
    .hot-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;color:#72829a;font-size:13px;}
    .hot-score{color:var(--brand);font-weight:950;font-size:18px;}

    .news-layout{
      display:grid;
      grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);
      gap:24px;
      align-items:start;
    }
    .news-list{
      display:grid;
      gap:12px;
    }
    .news-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:14px;
      align-items:center;
      padding:16px;
      border-radius:20px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:0 10px 24px rgba(24,55,104,.06);
      transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
    }
    .news-item:hover{transform:translateX(4px);border-color:#bad4f3;box-shadow:0 14px 30px rgba(24,55,104,.1);}
    .news-date{
      width:62px;
      height:62px;
      border-radius:18px;
      background:#edf6ff;
      border:1px solid #d8eafa;
      display:grid;
      place-items:center;
      color:var(--brand);
      font-weight:950;
      line-height:1.1;
    }
    .news-date span{display:block;font-size:12px;color:#7890ad;font-weight:800;}
    .news-title{margin:0;font-size:17px;color:var(--brand-dark);font-weight:950;line-height:1.35;}
    .news-title a:hover{color:var(--brand);}
    .news-summary{margin:6px 0 0;color:var(--muted);font-size:14px;}
    .news-arrow{color:#9badc3;font-weight:900;}
    .recommend-panel{
      padding:24px;
      border-radius:26px;
      background:linear-gradient(180deg,#fff,#f2f8ff);
      border:1px solid var(--border);
      box-shadow:var(--shadow-card);
      position:sticky;
      top:96px;
    }
    .recommend-list{display:grid;gap:12px;margin-top:16px;}
    .recommend-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:13px;
      border-radius:18px;
      background:#fff;
      border:1px solid #e4eef9;
    }
    .rank{
      width:28px;height:28px;border-radius:10px;
      display:grid;place-items:center;
      background:var(--brand);
      color:#fff;font-weight:950;font-size:13px;
      flex:0 0 auto;
    }

    .member-wrap{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:24px;
      align-items:stretch;
    }
    .member-aside{
      padding:28px;
      border-radius:30px;
      color:#fff;
      background:
        linear-gradient(145deg,rgba(11,36,71,.96),rgba(23,105,224,.86)),
        radial-gradient(circle at 80% 18%,rgba(255,181,71,.28),transparent 30%);
      box-shadow:var(--shadow);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      min-height:530px;
    }
    .member-aside h2{font-size:38px;line-height:1.12;letter-spacing:-.05em;margin:0;font-weight:950;}
    .member-aside p{color:rgba(255,255,255,.78);}
    .countdown{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
      margin:24px 0;
    }
    .timebox{
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.16);
      border-radius:18px;
      padding:12px;
      text-align:center;
      backdrop-filter:blur(10px);
    }
    .timebox strong{display:block;font-size:24px;line-height:1.1;}
    .timebox span{font-size:12px;color:rgba(255,255,255,.68);}
    .price-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
    }
    .price-card{
      position:relative;
      padding:22px;
      border-radius:26px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-card);
      min-height:330px;
      display:flex;
      flex-direction:column;
    }
    .price-card.featured{
      border-color:#8dbcf8;
      box-shadow:0 22px 54px rgba(23,105,224,.18);
      transform:translateY(-8px);
    }
    .price-name{font-weight:950;color:var(--brand-dark);font-size:18px;}
    .price-value{margin:14px 0 8px;font-size:34px;letter-spacing:-.04em;font-weight:950;color:var(--brand-dark);}
    .price-value small{font-size:14px;color:var(--muted);font-weight:800;}
    .price-card ul{
      list-style:none;
      margin:16px 0 20px;
      padding:0;
      display:grid;
      gap:10px;
      color:#465a74;
      font-size:14px;
    }
    .price-card li{display:flex;gap:8px;align-items:flex-start;}
    .price-card .btn{margin-top:auto;width:100%;}
    .comparison{
      margin-top:20px;
      border:1px solid var(--border);
      border-radius:24px;
      overflow:hidden;
      background:#fff;
      box-shadow:0 12px 26px rgba(24,55,104,.06);
    }
    .compare-row{
      display:grid;
      grid-template-columns:1fr repeat(3,.75fr);
      border-bottom:1px solid var(--border);
    }
    .compare-row:last-child{border-bottom:0;}
    .compare-row > div{
      padding:13px 14px;
      font-size:14px;
      color:#53677f;
      border-right:1px solid var(--border);
    }
    .compare-row > div:last-child{border-right:0;}
    .compare-head > div{
      background:#edf6ff;
      color:var(--brand-dark);
      font-weight:950;
    }
    .check{color:var(--success);font-weight:950;}
    .dash{color:#9aa9bb;}

    .scenario-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:20px;
    }
    .scenario-card{
      padding:24px;
      display:grid;
      grid-template-columns:auto 1fr;
      gap:16px;
      align-items:start;
    }
    .case-wall{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:20px;
    }
    .case-card{
      padding:24px;
    }
    .quote{
      margin:18px 0 0;
      padding:18px;
      border-radius:20px;
      background:#f4f8ff;
      border:1px solid #e1edf9;
      color:#40536e;
      font-size:15px;
    }
    .case-mini-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
    }
    .metric-card{
      padding:20px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:0 12px 26px rgba(24,55,104,.06);
    }
    .metric-card strong{
      display:block;
      font-size:32px;
      line-height:1;
      color:var(--brand);
      font-weight:950;
      letter-spacing:-.04em;
    }
    .metric-card span{display:block;margin-top:8px;color:var(--muted);font-size:13px;}

    .analytics{
      border-radius:34px;
      padding:30px;
      background:
        linear-gradient(180deg,#ffffff,#f4f9ff);
      border:1px solid var(--border);
      box-shadow:var(--shadow);
    }
    .analytics-grid{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:24px;
      align-items:center;
    }
    .chart-card{
      min-height:310px;
      padding:22px;
      border-radius:26px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:0 14px 30px rgba(24,55,104,.08);
    }
    .bars{
      height:190px;
      display:flex;
      align-items:flex-end;
      gap:14px;
      padding:18px 0 0;
      border-bottom:1px solid var(--border);
    }
    .bar{
      flex:1;
      min-width:24px;
      border-radius:14px 14px 0 0;
      background:linear-gradient(180deg,#39a0ff,#1769e0);
      position:relative;
      box-shadow:0 12px 22px rgba(23,105,224,.18);
    }
    .bar:before{
      content:attr(data-label);
      position:absolute;
      left:50%;
      bottom:-30px;
      transform:translateX(-50%);
      color:#74849a;
      font-size:12px;
      white-space:nowrap;
    }
    .kpi-row{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      margin-top:26px;
    }
    .kpi{
      padding:16px;
      border-radius:20px;
      background:#f5f9ff;
      border:1px solid #e1edf9;
    }
    .kpi strong{display:block;font-size:24px;color:var(--brand-dark);font-weight:950;}
    .kpi span{color:var(--muted);font-size:13px;}

    .timeline{
      position:relative;
      display:grid;
      gap:14px;
    }
    .timeline-item{
      display:grid;
      grid-template-columns:120px 1fr;
      gap:18px;
      padding:18px;
      background:#fff;
      border:1px solid var(--border);
      border-radius:22px;
      box-shadow:0 12px 26px rgba(24,55,104,.06);
    }
    .timeline-time{
      color:var(--brand);
      font-weight:950;
      line-height:1.25;
    }
    .timeline-time span{display:block;color:#8a9ab0;font-size:12px;font-weight:800;margin-top:4px;}
    .timeline-item h3{margin:0;color:var(--brand-dark);font-weight:950;}
    .timeline-item p{margin:8px 0 0;color:var(--muted);font-size:14px;}

    .security-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .security-card{
      padding:22px;
      min-height:238px;
    }
    .security-card .icon-bubble{margin-bottom:18px;}

    .faq-layout{
      display:grid;
      grid-template-columns:.75fr 1.25fr;
      gap:24px;
      align-items:start;
    }
    .faq-aside{
      padding:26px;
      border-radius:30px;
      background:linear-gradient(180deg,#eff7ff,#fff);
      border:1px solid var(--border);
      box-shadow:var(--shadow-card);
      position:sticky;
      top:96px;
    }
    .faq-list{display:grid;gap:12px;}
    .faq-item{
      background:#fff;
      border:1px solid var(--border);
      border-radius:22px;
      overflow:hidden;
      box-shadow:0 10px 24px rgba(24,55,104,.06);
    }
    .faq-question{
      width:100%;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:14px;
      text-align:left;
      padding:18px 20px;
      color:var(--brand-dark);
      background:#fff;
      font-weight:950;
    }
    .faq-question:hover{background:#f7fbff;}
    .faq-icon{
      width:28px;height:28px;
      border-radius:10px;
      display:grid;
      place-items:center;
      background:#edf6ff;
      color:var(--brand);
      flex:0 0 auto;
      transition:transform .2s ease;
    }
    .faq-item.open .faq-icon{transform:rotate(45deg);}
    .faq-answer{
      display:none;
      padding:0 20px 18px;
      color:var(--muted);
      font-size:15px;
      border-top:1px solid #edf3fb;
    }
    .faq-item.open .faq-answer{display:block;}

    .lead-cta{
      border-radius:34px;
      overflow:hidden;
      background:
        radial-gradient(circle at 90% 15%,rgba(255,181,71,.26),transparent 28%),
        linear-gradient(135deg,#0b2447,#1769e0);
      box-shadow:0 30px 70px rgba(11,36,71,.22);
      color:#fff;
    }
    .lead-cta-inner{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:28px;
      padding:34px;
      align-items:center;
    }
    .lead-cta h2{margin:0;font-size:40px;line-height:1.12;letter-spacing:-.05em;font-weight:950;}
    .lead-cta p{color:rgba(255,255,255,.78);margin:14px 0 0;}
    .lead-card{
      background:rgba(255,255,255,.95);
      color:var(--text);
      border-radius:28px;
      padding:22px;
      box-shadow:0 24px 54px rgba(4,20,45,.2);
    }
    .lead-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
    .message{
      display:none;
      margin-top:12px;
      border-radius:16px;
      padding:12px;
      background:#e9fbf7;
      border:1px solid #bdeee2;
      color:#08745e;
      font-weight:800;
      font-size:14px;
    }
    .message.show{display:block;}

    .site-footer{
      margin-top:76px;
      color:#dce8f8;
      background:#081d3a;
      padding:48px 0 88px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:32px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-weight:950;
      font-size:20px;
      letter-spacing:-.03em;
    }
    .footer-text{max-width:680px;color:#afc0d6;margin:16px 0 0;}
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      justify-content:flex-end;
    }
    .footer-link{
      padding:9px 12px;
      border-radius:999px;
      color:#dce8f8;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
      font-weight:800;
      font-size:14px;
    }
    .footer-link:hover{background:rgba(255,255,255,.1);color:#fff;}
    .copyright{
      margin-top:30px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.1);
      color:#91a4bd;
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      font-size:14px;
    }

    .mobile-tabs{
      position:fixed;
      left:12px;
      right:12px;
      bottom:calc(12px + env(safe-area-inset-bottom));
      z-index:70;
      display:none;
      background:rgba(255,255,255,.94);
      backdrop-filter:blur(18px);
      border:1px solid rgba(199,217,239,.88);
      box-shadow:0 20px 48px rgba(15,35,68,.18);
      border-radius:24px;
      padding:8px;
    }
    .mobile-tab{
      flex:1;
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:12px 10px;
      border-radius:18px;
      font-weight:950;
      color:#59708b;
    }
    .mobile-tab.active{
      color:#fff;
      background:linear-gradient(135deg,var(--brand),#4698ff);
      box-shadow:0 10px 20px rgba(23,105,224,.22);
    }

    @media (max-width: 1100px){
      .quick-search{display:none;}
      .hero-inner{grid-template-columns:1fr;padding:36px;}
      .hero-copy{min-height:auto;}
      .apply-panel{align-self:stretch;}
      .series-strip{grid-template-columns:1fr 1fr;}
      .promo-top,.member-wrap,.analytics-grid,.faq-layout,.lead-cta-inner{grid-template-columns:1fr;}
      .member-aside{min-height:auto;}
      .price-grid{grid-template-columns:1fr 1fr;}
      .price-card.featured{transform:none;}
      .security-grid{grid-template-columns:1fr 1fr;}
      .recommend-panel,.faq-aside{position:relative;top:auto;}
    }
    @media (max-width: 820px){
      body{padding-bottom:78px;}
      .site-container{width:min(100% - 28px,var(--container));}
      .topbar{height:68px;}
      .nav-wrap{height:68px;}
      .desktop-nav{display:none;}
      .header-actions .btn{display:none;}
      .brand-text{max-width:230px;font-size:16px;}
      .brand-mark{width:38px;height:38px;border-radius:13px;}
      .mobile-tabs{display:flex;}
      .section{padding:56px 0;}
      .section-head{display:block;}
      .section-desc{font-size:15px;}
      .hero{padding:28px 0 52px;}
      .hero-stage{border-radius:26px;min-height:auto;}
      .hero-inner{padding:26px;gap:22px;}
      .hero-lead{font-size:16px;line-height:1.78;}
      .hero-points{grid-template-columns:1fr;gap:10px;}
      .apply-panel{border-radius:24px;padding:20px;}
      .series-strip,.hot-grid,.news-layout,.scenario-grid,.case-wall,.case-mini-grid{grid-template-columns:1fr;}
      .promo-top{padding:18px;}
      .promo-banner{min-height:260px;}
      .price-grid{grid-template-columns:1fr;}
      .compare-row{grid-template-columns:1.1fr repeat(3,.7fr);min-width:650px;}
      .comparison{overflow-x:auto;}
      .kpi-row{grid-template-columns:1fr;}
      .timeline-item{grid-template-columns:1fr;gap:8px;}
      .security-grid{grid-template-columns:1fr;}
      .lead-grid{grid-template-columns:1fr;}
      .footer-grid{grid-template-columns:1fr;}
      .footer-links{justify-content:flex-start;}
      .copyright{display:block;}
      .copyright span{display:block;margin-top:8px;}
    }
    @media (max-width: 520px){
      .site-container{width:min(100% - 22px,var(--container));}
      .brand-text{max-width:190px;}
      .hero-inner{padding:20px;}
      h1.hero-title{font-size:34px;letter-spacing:-.045em;}
      .hero-badge{font-size:12px;padding:8px 10px;}
      .apply-panel h2{font-size:21px;}
      .section-title{font-size:28px;}
      .promo-banner h2,.member-aside h2,.lead-cta h2{font-size:30px;}
      .news-item{grid-template-columns:1fr;align-items:start;}
      .news-date{width:auto;height:auto;display:inline-flex;padding:9px 12px;}
      .news-arrow{display:none;}
      .countdown{grid-template-columns:repeat(3,1fr);}
      .timebox strong{font-size:20px;}
      .lead-cta-inner,.analytics{padding:20px;}
      .mobile-tab{font-size:14px;}
    }