:root{
      --bg:#f7f8fc;
      --bg2:#eef2ff;
      --card:#ffffff;
      --text:#142033;
      --muted:#5c6c84;
      --line:#dce4f4;
      --primary:#5b5ff7;
      --primary2:#16b8ff;
      --accent:#7c3aed;
      --good:#0f9d58;
      --warn:#f59e0b;
      --shadow:0 20px 60px rgba(34,46,90,.10);
      --radius:20px;
      --radius-sm:14px;
      --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 12% 10%, rgba(91,95,247,.10), transparent 18%),
        radial-gradient(circle at 88% 14%, rgba(22,184,255,.12), transparent 20%),
        linear-gradient(180deg, #fcfdff 0%, #f6f8ff 45%, #f5f7fb 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:50;
      backdrop-filter: blur(18px);
      background:rgba(247,248,252,.82);
      border-bottom:1px solid rgba(220,228,244,.72);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      min-height:72px;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;padding:4px;box-shadow:0 8px 20px rgba(20,32,51,.08)}
    .brand strong{display:block;font-size:16px;line-height:1.15}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:280px}
    .menu{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end}
    .menu a{font-size:14px;color:var(--muted);padding:8px 10px;border-radius:10px;transition:.2s ease}
    .menu a:hover,.menu a.active{color:var(--text);background:rgba(91,95,247,.08)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:1px solid transparent;border-radius:999px;padding:11px 16px;
      font-weight:700;cursor:pointer;transition:.22s ease;white-space:nowrap;
      box-shadow:0 10px 24px rgba(91,95,247,.10);
    }
    .btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff}
    .btn-ghost{background:#fff;color:var(--text);border-color:var(--line)}
    .btn:hover{transform:translateY(-1px);box-shadow:0 16px 30px rgba(91,95,247,.18)}
    .burger{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;width:44px;height:44px;align-items:center;justify-content:center}
    .burger span,.burger span:before,.burger span:after{content:"";display:block;width:18px;height:2px;background:#24324a;border-radius:99px;position:relative}
    .burger span:before{position:absolute;top:-6px}
    .burger span:after{position:absolute;top:6px}
    .hero{padding:42px 0 26px}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch}
    .hero-card{
      background:linear-gradient(145deg, rgba(9,18,40,.98), rgba(29,40,84,.96));
      color:#eef3ff;border-radius:28px;padding:34px;position:relative;overflow:hidden;
      box-shadow:0 28px 70px rgba(17,24,39,.16);
      isolation:isolate;
    }
    .hero-card:before,.hero-card:after{
      content:"";position:absolute;border-radius:50%;filter:blur(4px);pointer-events:none
    }
    .hero-card:before{width:240px;height:240px;background:radial-gradient(circle, rgba(22,184,255,.32), transparent 65%);right:-90px;top:-70px}
    .hero-card:after{width:260px;height:260px;background:radial-gradient(circle, rgba(124,58,237,.30), transparent 65%);left:-110px;bottom:-120px}
    .kicker{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);font-size:13px}
    h1{margin:16px 0 14px;font-size:clamp(32px,4.2vw,54px);line-height:1.08;letter-spacing:-.03em}
    .hero p{margin:0;color:#c9d5ef;font-size:16px;line-height:1.8;max-width:60ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .hero-points{display:grid;grid-template-columns:repeat(3, minmax(0,1fr));gap:12px;margin-top:26px}
    .mini{
      background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
      border-radius:18px;padding:14px 16px
    }
    .mini b{display:block;font-size:18px;color:#fff}
    .mini span{display:block;font-size:13px;color:#c5d1ec;margin-top:6px;line-height:1.5}
    .hero-side{
      display:grid;grid-template-rows:auto auto 1fr;gap:16px;
    }
    .side-panel{
      background:rgba(255,255,255,.78);border:1px solid rgba(220,228,244,.9);border-radius:24px;padding:20px;box-shadow:var(--shadow)
    }
    .side-panel h3{margin:0 0 12px;font-size:18px}
    .data-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .stat{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid var(--line)}
    .stat strong{display:block;font-size:24px;color:#13243e}
    .stat span{display:block;font-size:13px;color:var(--muted);margin-top:6px;line-height:1.5}
    .icon-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
    .icon-item{padding:12px 14px;border-radius:16px;background:#fff;border:1px solid var(--line);font-size:14px;color:#26354d}
    .section{padding:18px 0 8px}
    .section h2{margin:0 0 10px;font-size:clamp(24px,3vw,34px);line-height:1.15}
    .section p.lead{margin:0 0 18px;color:var(--muted);line-height:1.8;max-width:72ch}
    .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 var(--line);border-radius:22px;padding:22px;box-shadow:0 12px 32px rgba(31,41,55,.06);
      transition:.22s ease
    }
    .card:hover{transform:translateY(-3px);box-shadow:0 20px 42px rgba(31,41,55,.10)}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p,.card li{color:var(--muted);line-height:1.75}
    .tags{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:8px 12px;border-radius:999px;background:linear-gradient(180deg,#fff,#f5f8ff);border:1px solid var(--line);font-size:13px;color:#32435f}
    .process{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .step{position:relative;padding:20px 18px 18px 18px}
    .step .num{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-weight:800;margin-bottom:12px}
    .table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:840px}
    th,td{padding:16px 18px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:linear-gradient(180deg,#f8fbff,#f3f7ff);color:#20304a;font-size:14px}
    td{color:var(--muted)}
    tr:last-child td{border-bottom:none}
    .highlight{
      border-left:4px solid var(--primary);background:linear-gradient(180deg,rgba(91,95,247,.06),rgba(22,184,255,.04))
    }
    .rating{
      display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:10px 0 0
    }
    .stars{color:#f59e0b;font-size:22px;letter-spacing:2px}
    .quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .quote{position:relative}
    .quote:before{content:"“";position:absolute;top:10px;right:16px;font-size:48px;color:rgba(91,95,247,.12);font-weight:800}
    .quote .role{font-size:13px;color:#6a7890;margin-top:12px}
    .case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .case-media{display:grid;gap:12px}
    .case-media img{border-radius:18px;border:1px solid var(--line);width:100%;height:auto;background:#fff}
    .article-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .article{
      display:flex;justify-content:space-between;gap:12px;align-items:flex-start;
      padding:16px 18px;border-radius:18px;background:#fff;border:1px solid var(--line)
    }
    .article span{color:var(--muted);font-size:13px;white-space:nowrap}
    .faq details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:0 18px;box-shadow:0 10px 24px rgba(31,41,55,.05)}
    .faq summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:700;color:#22324a}
    .faq summary::-webkit-details-marker{display:none}
    .faq details p{margin:0 0 18px;color:var(--muted);line-height:1.8}
    .form{
      display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px
    }
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-size:14px;font-weight:700;color:#25344d}
    input,select,textarea{
      width:100%;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--text);
      padding:13px 14px;font:inherit;outline:none;transition:.2s ease
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(91,95,247,.6);box-shadow:0 0 0 4px rgba(91,95,247,.10)}
    .submit-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
    .help-box{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center}
    .qrcode{width:140px;padding:10px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
    .footer{
      margin-top:26px;padding:22px 0 30px;border-top:1px solid rgba(220,228,244,.92);background:linear-gradient(180deg,rgba(247,248,252,.7),rgba(244,247,252,.98));
      color:#26364f
    }
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr 1fr;gap:16px;align-items:start}
    .footer a{color:#20324f}
    .footer small,.footer p{color:#56677f;line-height:1.8}
    .links{display:flex;flex-wrap:wrap;gap:10px}
    .links a{padding:8px 10px;border-radius:10px;background:#fff;border:1px solid var(--line)}
    .float{
      position:fixed;right:18px;bottom:18px;z-index:60;display:grid;gap:10px
    }
    .float a,.float button{
      width:48px;height:48px;border-radius:16px;border:none;cursor:pointer;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:0 16px 30px rgba(91,95,247,.25)
    }
    .float button{background:#fff;color:#20324f;border:1px solid var(--line)}
    .mobile-only{display:none}
    .reveal{opacity:0;transform:translateY(16px);transition:.55s ease}
    .reveal.show{opacity:1;transform:none}
    .label{
      display:inline-flex;align-items:center;gap:8px;padding:7px 11px;border-radius:999px;background:rgba(91,95,247,.08);color:#36435f;font-size:13px;font-weight:700
    }
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.process,.quote-grid,.case-grid,.footer-grid,.article-list,.help-box{grid-template-columns:1fr}
      .hero-points{grid-template-columns:1fr}
      .menu{display:none}
      .burger{display:inline-flex}
      .mobile-only{display:block}
      .nav-actions .btn-ghost{display:none}
      .hero-card{padding:26px}
      .form{grid-template-columns:1fr}
      .icon-list{grid-template-columns:1fr}
    }
    .mobile-menu{
      display:none;padding:0 0 16px
    }
    .mobile-menu.open{display:block}
    .mobile-menu a{display:block;padding:12px 0;border-top:1px dashed rgba(220,228,244,.9);color:#30415a}
    .note{font-size:12px;color:#6a7b93;margin-top:8px}