:root{
      --bg:#f6f8fc;
      --bg2:#eef3ff;
      --card:#ffffff;
      --card2:#f9fbff;
      --line:#dbe3f0;
      --text:#182033;
      --muted:#5d667c;
      --brand:#4c6fff;
      --brand2:#8a5cff;
      --accent:#18c6d7;
      --warm:#ffb15c;
      --shadow:0 16px 40px rgba(32,49,90,.10);
      --shadow2:0 10px 24px rgba(40,62,118,.08);
      --radius:20px;
      --container:1180px;
    }
    *{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:
        radial-gradient(circle at 20% 0%, rgba(76,111,255,.10), transparent 30%),
        radial-gradient(circle at 80% 10%, rgba(24,198,215,.10), transparent 26%),
        linear-gradient(180deg, #fbfcff 0%, #f5f8fe 52%, #f7f8fc 100%);
      line-height:1.7;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    header, main, footer{position:relative}
    .topbar{
      position:sticky;top:0;z-index:50;
      backdrop-filter:blur(16px);
      background:rgba(248,250,255,.76);
      border-bottom:1px solid rgba(219,227,240,.72);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      min-height:76px;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand .logo-box{
      width:46px;height:46px;border-radius:14px;
      background:linear-gradient(135deg, rgba(76,111,255,.15), rgba(138,92,255,.12));
      border:1px solid rgba(76,111,255,.14);
      display:grid;place-items:center;
      box-shadow:var(--shadow2);
      overflow:hidden;
      flex:none;
    }
    .brand .name{font-weight:800;font-size:18px;letter-spacing:.5px}
    .brand .sub{font-size:12px;color:var(--muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .menu{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .menu a{font-size:14px;color:var(--muted);font-weight:600}
    .menu a:hover{color:var(--brand)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:12px 18px;border-radius:999px;border:1px solid transparent;
      font-weight:700;font-size:14px;transition:.25s ease;cursor:pointer;
      box-shadow:0 8px 18px rgba(76,111,255,.12);
      white-space:nowrap;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2)); color:#fff}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 26px rgba(76,111,255,.22)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-ghost:hover{border-color:rgba(76,111,255,.35);transform:translateY(-2px)}
    .mobile-toggle{
      display:none;border:1px solid var(--line);background:#fff;color:var(--text);
      width:44px;height:44px;border-radius:12px;font-size:18px;
    }

    .hero{
      padding:34px 0 18px;
      position:relative;
    }
    .hero-shell{
      background:
        linear-gradient(135deg, rgba(255,255,255,.92), rgba(245,248,255,.88)),
        radial-gradient(circle at 20% 20%, rgba(76,111,255,.14), transparent 30%),
        radial-gradient(circle at 85% 15%, rgba(24,198,215,.14), transparent 25%);
      border:1px solid rgba(219,227,240,.95);
      border-radius:30px;
      box-shadow:var(--shadow);
      padding:34px;
      overflow:hidden;
      position:relative;
    }
    .hero-shell::before,.hero-shell::after{
      content:"";position:absolute;border-radius:50%;filter:blur(2px);pointer-events:none;
    }
    .hero-shell::before{
      width:240px;height:240px;right:-70px;top:-70px;
      background:radial-gradient(circle, rgba(138,92,255,.18), transparent 62%);
      animation:floaty 8s ease-in-out infinite;
    }
    .hero-shell::after{
      width:180px;height:180px;left:-60px;bottom:-60px;
      background:radial-gradient(circle, rgba(24,198,215,.16), transparent 62%);
      animation:floaty 10s ease-in-out infinite reverse;
    }
    @keyframes floaty{50%{transform:translateY(-10px) translateX(6px)}}
    .hero-grid{
      display:grid;grid-template-columns:1.12fr .88fr;gap:24px;align-items:center;position:relative;z-index:1;
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 14px;border-radius:999px;background:rgba(76,111,255,.08);
      color:var(--brand);font-weight:700;font-size:13px;margin-bottom:16px;
    }
    h1{margin:0 0 14px;font-size:clamp(30px,5vw,54px);line-height:1.08;letter-spacing:-.03em}
    .hero p{margin:0;color:var(--muted);font-size:16px;max-width:58ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 18px}
    .hero-points{display:flex;flex-wrap:wrap;gap:10px}
    .pill{
      padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);
      color:var(--text);font-size:13px;font-weight:600;box-shadow:0 6px 16px rgba(28,45,82,.04)
    }
    .hero-side{
      display:grid;gap:14px;
    }
    .hero-stat{
      background:linear-gradient(180deg, #ffffff, #f9fbff);
      border:1px solid var(--line);
      border-radius:24px;padding:18px 18px 16px;box-shadow:var(--shadow2);
    }
    .stat-top{display:flex;align-items:flex-end;justify-content:space-between;gap:12px}
    .stat-num{font-size:30px;font-weight:800;line-height:1;color:var(--text)}
    .stat-label{font-size:13px;color:var(--muted);margin-top:8px}
    .mini-matrix{
      display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;
    }
    .mini-card{
      background:rgba(255,255,255,.86);
      border:1px solid var(--line);
      border-radius:18px;padding:14px;
      min-height:96px;
    }
    .mini-card strong{display:block;font-size:15px;margin-bottom:8px}
    .mini-card span{display:block;color:var(--muted);font-size:13px;line-height:1.55}
    .scroll-tip{
      margin-top:18px;color:var(--muted);font-size:13px;display:flex;align-items:center;gap:8px;
    }

    section{padding:18px 0}
    .section-head{
      display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:16px
    }
    .section-head h2{margin:0;font-size:28px;line-height:1.15}
    .section-head p{margin:0;color:var(--muted);max-width:62ch}
    .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:linear-gradient(180deg, rgba(255,255,255,.96), rgba(250,252,255,.96));
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow2);
      padding:22px;
      transition:.25s ease;
    }
    .card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(31,49,92,.12)}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p{margin:0;color:var(--muted)}
    .metric{
      display:flex;align-items:flex-start;justify-content:space-between;gap:14px
    }
    .metric .value{font-size:26px;font-weight:800;color:var(--brand)}
    .metric .desc{font-size:13px;color:var(--muted)}
    .icon-dot{
      width:42px;height:42px;border-radius:14px;
      background:linear-gradient(135deg, rgba(76,111,255,.14), rgba(24,198,215,.15));
      border:1px solid rgba(76,111,255,.12);
      flex:none;
    }
    .list{
      margin:14px 0 0;padding:0;list-style:none;display:grid;gap:10px
    }
    .list li{
      display:flex;gap:10px;align-items:flex-start;
      color:var(--muted);font-size:14px
    }
    .list li::before{
      content:"";width:9px;height:9px;border-radius:50%;margin-top:7px;
      background:linear-gradient(135deg,var(--brand),var(--accent));
      box-shadow:0 0 0 4px rgba(76,111,255,.08);
      flex:none;
    }

    .panel{
      background:linear-gradient(180deg, rgba(241,245,255,.92), rgba(255,255,255,.96));
      border:1px solid rgba(219,227,240,.9);
      border-radius:28px;
      padding:22px;
      box-shadow:var(--shadow2);
    }
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{
      padding:10px 14px;border-radius:999px;
      background:#fff;border:1px solid var(--line);
      color:var(--text);font-size:13px;font-weight:600;
    }
    .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .step{
      position:relative;padding:20px;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow2)
    }
    .step .num{
      width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:800;margin-bottom:14px
    }
    .step h3{margin:0 0 8px;font-size:17px}
    .step p{margin:0;color:var(--muted);font-size:14px}

    .table-wrap{overflow:auto;border-radius:22px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow2)}
    table{width:100%;border-collapse:collapse;min-width:880px}
    th,td{padding:16px 14px;text-align:left;border-bottom:1px solid #edf1f7;vertical-align:top}
    th{background:#f7f9ff;color:var(--text);font-size:14px}
    td{color:var(--muted);font-size:14px}
    tr:last-child td{border-bottom:none}
    .highlight{color:var(--text);font-weight:700}
    .score{
      display:flex;align-items:center;gap:10px;flex-wrap:wrap
    }
    .stars{color:#ffb400;font-size:18px;letter-spacing:2px}
    .score-badge{
      padding:7px 12px;border-radius:999px;background:rgba(76,111,255,.08);color:var(--brand);font-weight:700;font-size:13px
    }

    .image-row{
      display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px
    }
    .image-card{
      background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:var(--shadow2)
    }
    .image-card img{width:100%;height:auto;display:block}
    .image-card .cap{padding:14px 16px;color:var(--muted);font-size:14px}

    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .review{
      padding:20px;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow2)
    }
    .review-top{display:flex;justify-content:space-between;gap:10px;align-items:flex-start;margin-bottom:12px}
    .avatar{
      width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,rgba(76,111,255,.16),rgba(24,198,215,.18));
      border:1px solid rgba(76,111,255,.12)
    }
    .review h3{margin:0;font-size:16px}
    .review .role{color:var(--muted);font-size:13px}
    .review p{margin:10px 0 0;color:var(--muted);font-size:14px}
    .quote{color:var(--brand);font-size:22px;line-height:1}

    .faq{display:grid;gap:12px}
    .faq-item{
      background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow2)
    }
    .faq-q{
      width:100%;padding:18px 20px;background:transparent;border:none;color:var(--text);font-size:15px;font-weight:700;
      display:flex;justify-content:space-between;align-items:center;text-align:left;cursor:pointer
    }
    .faq-q span:last-child{color:var(--muted);transition:.25s ease}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
    .faq-a p{margin:0;padding:0 20px 18px;color:var(--muted)}
    .faq-item.open .faq-a{max-height:160px}

    .news-list{display:grid;gap:12px}
    .news{
      display:flex;justify-content:space-between;gap:18px;align-items:flex-start;
      padding:18px 20px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow2)
    }
    .news strong{display:block;margin-bottom:6px}
    .news p{margin:0;color:var(--muted);font-size:14px}
    .news a{color:var(--brand);font-weight:700;font-size:14px;white-space:nowrap}

    .form-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:16px;align-items:start}
    form{
      background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow2)
    }
    .fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .field{display:grid;gap:8px}
    .field.full{grid-column:1 / -1}
    label{font-size:13px;font-weight:700;color:var(--text)}
    input,select,textarea{
      width:100%;border:1px solid #dbe3f0;background:#fbfcff;color:var(--text);
      border-radius:14px;padding:13px 14px;font:inherit;outline:none;transition:.2s ease
    }
    textarea{min-height:124px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(76,111,255,.52);box-shadow:0 0 0 4px rgba(76,111,255,.08)}
    .form-side{
      background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(244,248,255,.96));
      border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow2)
    }
    .contact-list{display:grid;gap:12px;margin-top:14px}
    .contact-item{
      display:flex;justify-content:space-between;gap:14px;align-items:center;
      padding:14px 16px;border-radius:16px;background:#fff;border:1px solid var(--line)
    }
    .contact-item span{color:var(--muted);font-size:14px}
    .qrcode{
      margin-top:16px;display:flex;gap:14px;align-items:center;flex-wrap:wrap
    }
    .qrcode img{
      width:126px;height:auto;border-radius:16px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow2)
    }

    footer{
      margin-top:18px;
      background:#0f1730;
      color:#dce6ff;
    }
    footer .container{padding:28px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;align-items:start}
    .footer h2{margin:0 0 10px;font-size:22px;color:#fff}
    .footer p, .footer a, .footer li{color:#c8d4f4}
    .footer a:hover{color:#fff}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{
      display:inline-flex;padding:9px 12px;border-radius:999px;
      background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08)
    }
    .copyright{
      border-top:1px solid rgba(255,255,255,.10);margin-top:18px;padding-top:16px;
      display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:#a9b8dd;font-size:13px
    }

    .floating{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:16px;background:#fff;border:1px solid var(--line);
      box-shadow:var(--shadow2);display:grid;place-items:center;color:var(--brand);font-weight:800
    }

    .reveal{opacity:0;transform:translateY(18px);transition:.55s ease}
    .reveal.show{opacity:1;transform:none}

    @media (max-width: 980px){
      .hero-grid,.form-grid,.footer-grid,.grid-3,.grid-2,.reviews,.steps,.image-row{grid-template-columns:1fr}
      .menu{display:none}
      .mobile-toggle{display:inline-grid;place-items:center}
      .menu.open{
        display:flex;position:absolute;left:16px;right:16px;top:76px;
        flex-direction:column;align-items:flex-start;background:#fff;border:1px solid var(--line);
        border-radius:18px;padding:14px;box-shadow:var(--shadow);gap:12px
      }
      .section-head{align-items:flex-start;flex-direction:column}
      .hero-shell{padding:22px}
      .fields{grid-template-columns:1fr}
      table{min-width:760px}
    }