:root{
      --bg:#f7f8fb;
      --bg2:#eef3ff;
      --card:#ffffff;
      --card2:#fbfcff;
      --text:#1f2a37;
      --muted:#5f6b7a;
      --line:rgba(34,49,63,.10);
      --brand:#5b6cff;
      --brand2:#00b8d9;
      --brand3:#ff9a3d;
      --brand4:#8a5cff;
      --shadow:0 18px 50px rgba(42, 56, 87, .10);
      --shadow2:0 10px 26px rgba(42, 56, 87, .08);
      --radius:22px;
      --radius2:16px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 15% 10%, rgba(91,108,255,.14), transparent 30%),
        radial-gradient(circle at 85% 12%, rgba(0,184,217,.12), transparent 28%),
        radial-gradient(circle at 70% 82%, rgba(255,154,61,.10), transparent 22%),
        linear-gradient(180deg, #ffffff 0%, #f7f8fb 34%, #f5f7ff 100%);
      line-height:1.65;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max), calc(100% - 32px)); margin:0 auto}
    .topbar{
      position:sticky;top:0;z-index:50;
      backdrop-filter:saturate(180%) blur(14px);
      background:rgba(255,255,255,.78);
      border-bottom:1px solid rgba(120,136,164,.14);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      padding:12px 0;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand .logo{
      width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg, rgba(91,108,255,.16), rgba(0,184,217,.14));
      display:grid;place-items:center;overflow:hidden;box-shadow:0 8px 24px rgba(91,108,255,.12)
    }
    .brand .name{display:flex;flex-direction:column;min-width:0}
    .brand strong{font-size:16px;letter-spacing:.2px}
    .brand span{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#314056;padding:8px 10px;border-radius:999px;transition:.25s ease}
    .nav-links a:hover{background:rgba(91,108,255,.08);color:#21304a}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:11px 16px;border-radius:14px;border:1px solid transparent;
      font-weight:700;font-size:14px;transition:.25s ease;cursor:pointer;white-space:nowrap
    }
    .btn-primary{background:linear-gradient(135deg, var(--brand), var(--brand2));color:#fff;box-shadow:0 14px 28px rgba(91,108,255,.24)}
    .btn-primary:hover{transform:translateY(-1px);box-shadow:0 18px 34px rgba(91,108,255,.28)}
    .btn-ghost{background:rgba(255,255,255,.8);border-color:rgba(91,108,255,.16);color:#243247}
    .btn-ghost:hover{border-color:rgba(91,108,255,.32);transform:translateY(-1px)}
    .menu-btn{display:none;background:rgba(255,255,255,.92);border:1px solid rgba(91,108,255,.16);width:44px;height:44px;border-radius:14px}
    .menu-btn span{display:block;width:18px;height:2px;background:#243247;margin:4px auto;border-radius:2px}
    header.hero{
      padding:42px 0 18px;
      position:relative;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.14fr .86fr;gap:24px;align-items:stretch
    }
    .hero-main{
      background:
        linear-gradient(135deg, rgba(91,108,255,.10), rgba(0,184,217,.09) 38%, rgba(255,154,61,.08)),
        linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,255,255,.92));
      border:1px solid rgba(91,108,255,.14);
      border-radius:28px;
      box-shadow:var(--shadow);
      padding:34px;
      overflow:hidden;
      position:relative;
    }
    .hero-main:before,.hero-main:after{
      content:"";position:absolute;border-radius:50%;filter:blur(10px);pointer-events:none
    }
    .hero-main:before{width:190px;height:190px;background:rgba(91,108,255,.12);right:-55px;top:-42px}
    .hero-main:after{width:150px;height:150px;background:rgba(0,184,217,.12);left:-52px;bottom:-42px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border-radius:999px;background:rgba(91,108,255,.08);
      color:#3149a8;font-size:13px;font-weight:700
    }
    h1{
      margin:18px 0 12px;
      font-size:clamp(30px,5vw,52px);
      line-height:1.1;
      letter-spacing:-.6px
    }
    .hero p{
      margin:0;
      color:var(--muted);
      font-size:16px;
      max-width:62ch
    }
    .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 18px}
    .hero-points{
      display:flex;flex-wrap:wrap;gap:10px;margin-top:16px
    }
    .pill{
      display:inline-flex;align-items:center;gap:8px;
      padding:10px 12px;border-radius:999px;background:rgba(255,255,255,.76);
      border:1px solid rgba(91,108,255,.12);
      font-size:13px;color:#374457
    }
    .hero-side{
      display:grid;gap:16px
    }
    .side-card{
      background:rgba(255,255,255,.92);
      border:1px solid rgba(91,108,255,.12);
      border-radius:22px;
      box-shadow:var(--shadow2);
      padding:20px;
    }
    .mini-grid{
      display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px
    }
    .metric{
      padding:18px;border-radius:18px;background:linear-gradient(180deg, #ffffff, #f8fbff);
      border:1px solid rgba(91,108,255,.10)
    }
    .metric b{display:block;font-size:26px;line-height:1.1;margin-bottom:6px}
    .metric span{display:block;color:var(--muted);font-size:13px}
    .form-card h2,.section h2{
      margin:0 0 12px;font-size:clamp(22px,3vw,34px);line-height:1.15
    }
    .section{padding:18px 0 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:18px}
    .section-head p{margin:0;color:var(--muted);max-width:68ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .card{
      background:rgba(255,255,255,.94);
      border:1px solid rgba(91,108,255,.11);
      border-radius:22px;
      box-shadow:var(--shadow2);
      padding:22px;
      transition:.25s ease;
      height:100%;
    }
    .card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .card h3{margin:0 0 8px;font-size:18px}
    .card p{margin:0;color:var(--muted)}
    .icon{
      width:46px;height:46px;border-radius:14px;
      display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(91,108,255,.12), rgba(0,184,217,.10));
      margin-bottom:14px;
      color:#3f53d4;font-weight:900
    }
    .workflow{counter-reset:step}
    .step{
      position:relative;padding:22px 20px 20px 20px
    }
    .step:before{
      counter-increment:step;content:counter(step);
      position:absolute;right:18px;top:16px;
      width:34px;height:34px;border-radius:999px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:800;font-size:14px
    }
    .step .line{width:64px;height:3px;border-radius:99px;background:linear-gradient(90deg,var(--brand),var(--brand2));margin:14px 0}
    .table-wrap{overflow:auto;border-radius:22px;border:1px solid rgba(91,108,255,.11);background:rgba(255,255,255,.93);box-shadow:var(--shadow2)}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:16px 18px;border-bottom:1px solid rgba(34,49,63,.08);text-align:left;vertical-align:top;font-size:14px}
    th{background:linear-gradient(180deg, #f9fbff, #eef4ff);font-size:13px;color:#33435b}
    tr:last-child td{border-bottom:none}
    .score{
      display:inline-flex;align-items:center;gap:8px;padding:10px 12px;border-radius:14px;background:rgba(91,108,255,.09);color:#2d3d95;font-weight:800
    }
    .tagcloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{
      padding:9px 12px;border-radius:999px;background:#fff;border:1px solid rgba(91,108,255,.12);
      color:#40506b;font-size:13px;box-shadow:0 8px 20px rgba(42,56,87,.05)
    }
    .article-list{display:grid;gap:12px}
    .article{
      display:flex;justify-content:space-between;gap:16px;align-items:flex-start;
      padding:16px 18px;border-radius:18px;background:linear-gradient(180deg,#fff,#f8fbff);
      border:1px solid rgba(91,108,255,.10)
    }
    .article strong{display:block;margin-bottom:6px}
    .article span{color:var(--muted);font-size:13px}
    .article em{font-style:normal;color:#4150c7;font-weight:700;white-space:nowrap}
    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .review{
      padding:22px;border-radius:22px;background:linear-gradient(180deg,#fff,#f8fbff);
      border:1px solid rgba(91,108,255,.11)
    }
    .review .meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
    .review .role{font-size:13px;color:var(--muted)}
    .review .stars{color:#ff9a3d;font-weight:900;letter-spacing:1px}
    .faq details{
      background:rgba(255,255,255,.94);
      border:1px solid rgba(91,108,255,.11);
      border-radius:18px;
      box-shadow:var(--shadow2);
      padding:16px 18px;
    }
    .faq details+details{margin-top:12px}
    .faq summary{
      list-style:none;cursor:pointer;font-weight:800;color:#22314a;outline:none
    }
    .faq summary::-webkit-details-marker{display:none}
    .faq .answer{padding-top:12px;color:var(--muted)}
    .contact-wrap{
      display:grid;grid-template-columns:1fr .82fr;gap:16px;align-items:start
    }
    form{
      display:grid;gap:12px
    }
    .field{
      display:grid;gap:8px
    }
    label{font-size:13px;font-weight:700;color:#33435b}
    input,select,textarea{
      width:100%;
      border:1px solid rgba(91,108,255,.14);
      background:#fff;
      border-radius:14px;
      padding:13px 14px;
      font:inherit;
      color:var(--text);
      outline:none;
      transition:.2s ease;
    }
    input:focus,select:focus,textarea:focus{
      border-color:rgba(91,108,255,.5);
      box-shadow:0 0 0 4px rgba(91,108,255,.10)
    }
    textarea{min-height:118px;resize:vertical}
    .contact-box{
      display:grid;gap:16px
    }
    .qr{
      display:flex;align-items:center;gap:14px;padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid rgba(91,108,255,.10)
    }
    .qr img{width:104px;height:104px;object-fit:cover;border-radius:14px;border:1px solid rgba(91,108,255,.12);background:#fff}
    .footer{
      margin-top:22px;
      padding:24px 0 28px;
      border-top:1px solid rgba(34,49,63,.08);
      background:linear-gradient(180deg, rgba(255,255,255,.6), rgba(245,247,255,.92));
      color:#243247;
    }
    .footer a{color:#3349b7}
    .footer-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:20px;align-items:start}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid rgba(91,108,255,.12)}
    .muted{color:var(--muted)}
    .bottom{
      display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
      margin-top:18px;padding-top:16px;border-top:1px solid rgba(34,49,63,.08);font-size:13px;color:#5b6576
    }
    .floating{
      position:fixed;right:18px;bottom:18px;z-index:60;display:grid;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 14px 28px rgba(91,108,255,.26);
      border:none;cursor:pointer
    }
    .float-btn.secondary{background:#fff;color:#243247;border:1px solid rgba(91,108,255,.14)}
    .side-entrance{
      position:fixed;left:18px;bottom:18px;z-index:55;
      max-width:280px;
      background:rgba(255,255,255,.95);
      border:1px solid rgba(91,108,255,.12);
      border-radius:20px;
      box-shadow:var(--shadow2);
      padding:14px;
      display:flex;align-items:center;gap:12px
    }
    .side-entrance img{width:72px;height:72px;object-fit:cover;border-radius:14px;border:1px solid rgba(91,108,255,.12);background:#fff}
    .side-entrance .txt{min-width:0}
    .side-entrance strong{display:block;font-size:14px;margin-bottom:4px}
    .side-entrance span{display:block;font-size:12px;color:var(--muted)}
    .reveal{opacity:0;transform:translateY(14px);transition:.7s ease}
    .reveal.visible{opacity:1;transform:none}
    .small-note{font-size:12px;color:var(--muted)}
    .hero-image-strip{
      display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px
    }
    .hero-image-strip img{display:block;width:100%;border-radius:18px;border:1px solid rgba(91,108,255,.10);background:#fff;object-fit:cover}
    .thumb-box{
      display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px
    }
    .thumb{
      background:#fff;border:1px solid rgba(91,108,255,.11);border-radius:18px;padding:10px;overflow:hidden
    }
    .thumb img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:12px;background:#fff}
    .thumb p{margin:10px 0 0;font-size:13px;color:#445369}
    .anchor-space{scroll-margin-top:92px}
    @media (max-width: 980px){
      .hero-grid,.contact-wrap,.footer-grid,.grid-3,.grid-2,.reviews{grid-template-columns:1fr}
      .nav-links{display:none}
      .menu-btn{display:inline-grid;place-items:center}
      .nav.open .nav-links{
        display:flex;position:absolute;left:0;right:0;top:68px;background:rgba(255,255,255,.98);
        border-bottom:1px solid rgba(91,108,255,.12);padding:14px 16px;box-shadow:0 16px 30px rgba(42,56,87,.08)
      }
      .nav.open{position:relative;flex-wrap:wrap}
      .nav.open .nav-actions{margin-left:auto}
      .mini-grid{grid-template-columns:1fr 1fr}
      .side-entrance{display:none}
      .hero-main{padding:28px}
      .hero-image-strip{grid-template-columns:1fr}
    }
    @media (max-width: 640px){
      .container{width:min(var(--max), calc(100% - 22px))}
      header.hero{padding-top:24px}
      .hero-main,.card,.side-card,.review,.details,.faq details{border-radius:18px}
      .nav{padding:10px 0}
      .brand .name span{display:none}
      .mini-grid{grid-template-columns:1fr}
      .hero-cta .btn{width:100%}
      .section-head{flex-direction:column;align-items:flex-start}
      .floating{right:12px;bottom:12px}
    }