:root{
      --bg:#f7f9fc;
      --bg2:#eef4ff;
      --card:#ffffff;
      --text:#172033;
      --muted:#5e6b82;
      --line:#dbe4f1;
      --primary:#1c67ff;
      --primary2:#7c3aed;
      --accent:#ff4d8d;
      --good:#11a36a;
      --shadow:0 16px 40px rgba(25, 44, 88, .08);
      --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 top left, rgba(124,58,237,.12), transparent 28%),
        radial-gradient(circle at top right, rgba(28,103,255,.10), transparent 24%),
        linear-gradient(180deg, #f9fbff 0%, #f4f8ff 44%, #f8fbff 100%);
      line-height:1.65;
      overflow-x:hidden;
    }
    a{color:var(--primary);text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    header{
      position:sticky;top:0;z-index:50;
      backdrop-filter: blur(14px);
      background:rgba(247,249,252,.78);
      border-bottom:1px solid rgba(219,228,241,.8);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      padding:14px 0;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:46px;height:46px;object-fit:contain;border-radius:12px;background:#fff;box-shadow:0 8px 20px rgba(28,103,255,.12)}
    .brand h1,.brand .site-title{margin:0;font-size:18px;line-height:1.2;white-space:nowrap}
    .brand small{display:block;color:var(--muted);font-weight:500}
    .nav-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
    .nav-links a{color:var(--text);font-size:14px;font-weight:600;opacity:.92}
    .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
    }
    .btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:0 10px 24px rgba(28,103,255,.24)}
    .btn-outline{background:#fff;color:var(--text);border-color:var(--line)}
    .btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(21,36,71,.12)}
    .menu-toggle{display:none}
    .hero{padding:30px 0 18px}
    .hero-grid{display:grid;grid-template-columns:1.35fr .95fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.section-card,.panel,.faq-item,.review,.article,.metric,.service-card,.step,.case,.price,.match,.compare,.form-wrap{
      background:linear-gradient(180deg, rgba(255,255,255,.98), rgba(250,252,255,.96));
      border:1px solid rgba(219,228,241,.9); border-radius:var(--radius); box-shadow:var(--shadow)
    }
    .hero-main{padding:34px; position:relative; overflow:hidden}
    .hero-main:before,.hero-main:after{
      content:"";position:absolute;border-radius:999px;pointer-events:none
    }
    .hero-main:before{width:220px;height:220px;right:-60px;top:-70px;background:radial-gradient(circle, rgba(124,58,237,.22), transparent 62%)}
    .hero-main:after{width:180px;height:180px;right:50px;bottom:-80px;background:radial-gradient(circle, rgba(28,103,255,.18), transparent 62%)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:rgba(28,103,255,.08);color:#214fb0;font-size:13px;font-weight:700}
    .hero h2{font-size:clamp(30px, 5vw, 54px);line-height:1.1;margin:16px 0 14px}
    .hero p{color:var(--muted);margin:0 0 18px;font-size:16px;max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:18px 0 22px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .point{padding:14px;border-radius:16px;background:linear-gradient(180deg,#f8fbff,#f2f7ff);border:1px solid var(--line)}
    .point strong{display:block;font-size:18px;margin-bottom:4px}
    .point span{color:var(--muted);font-size:13px}
    .hero-side{padding:22px}
    .hero-side h3{margin:0 0 12px;font-size:20px}
    .hero-side .mini-list{display:grid;gap:12px}
    .mini{
      display:flex;gap:12px;align-items:flex-start;padding:12px;border-radius:16px;background:#fff;border:1px solid var(--line)
    }
    .mini .dot{width:12px;height:12px;border-radius:50%;margin-top:6px;background:linear-gradient(135deg,var(--accent),var(--primary))}
    .mini b{display:block;margin-bottom:2px}
    .mini span{color:var(--muted);font-size:13px}
    section{padding:18px 0}
    .section-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-end;margin-bottom:14px}
    .section-head h2{margin:0;font-size:28px;line-height:1.2}
    .section-head p{margin:0;color:var(--muted);max-width:70ch}
    .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .metric{padding:18px}
    .metric strong{display:block;font-size:28px;line-height:1;color:var(--primary);margin-bottom:8px}
    .metric span{color:var(--muted);font-size:14px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .service-card,.step,.case,.review,.article,.price,.match,.compare,.panel,.faq-item,.form-wrap{padding:18px}
    .service-card h3,.step h3,.case h3,.review h3,.article h3,.price h3,.match h3,.compare h3{margin:0 0 10px;font-size:19px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#f3f7ff;border:1px solid var(--line);font-size:13px;color:#294064}
    .timeline{display:grid;gap:12px}
    .t-item{display:flex;gap:12px;align-items:flex-start}
    .t-num{flex:0 0 34px;height:34px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--primary2))}
    .t-item b{display:block;margin-bottom:3px}
    .t-item p{margin:0;color:var(--muted);font-size:14px}
    .compare-table{width:100%;border-collapse:collapse;min-width:760px}
    .compare-wrap{overflow-x:auto;border-radius:16px;border:1px solid var(--line)}
    .compare-table th,.compare-table td{padding:14px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
    .compare-table th{background:#f4f8ff;font-size:14px}
    .rating{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:999px;background:rgba(17,163,106,.1);color:#0d7a4c;font-weight:700}
    .split{display:grid;grid-template-columns:1.05fr .95fr;gap:14px}
    .bullets{display:grid;gap:10px;margin:0;padding:0;list-style:none}
    .bullets li{display:flex;gap:10px;align-items:flex-start}
    .bullets i{width:20px;height:20px;border-radius:50%;display:inline-grid;place-items:center;background:rgba(28,103,255,.12);color:var(--primary);font-style:normal;font-weight:800;font-size:12px;margin-top:2px}
    .faq-list{display:grid;gap:12px}
    .faq-item summary{cursor:pointer;list-style:none;font-weight:700}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item p{margin:10px 0 0;color:var(--muted)}
    .reviews,.articles,.services,.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .review .meta{color:var(--muted);font-size:13px;margin-bottom:10px}
    .article .date{color:#6c7b92;font-size:13px;margin-bottom:10px}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    label{display:block;font-weight:700;font-size:14px;margin-bottom:6px}
    input,select,textarea{
      width:100%;padding:13px 14px;border-radius:14px;border:1px solid var(--line);
      background:#fff;color:var(--text);font:inherit;outline:none;transition:.2s ease
    }
    textarea{min-height:118px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#7b9cff;box-shadow:0 0 0 4px rgba(28,103,255,.08)}
    .full{grid-column:1/-1}
    .footer{padding:28px 0 32px}
    footer .panel{display:grid;grid-template-columns:1.1fr .9fr;gap:16px;align-items:start}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{background:#f3f7ff;border:1px solid var(--line);padding:8px 11px;border-radius:999px;color:var(--text);font-size:13px}
    .muted{color:var(--muted)}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .floating a,.floating button{
      border:none;cursor:pointer;text-align:center;
      padding:12px 14px;border-radius:999px;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:0 14px 26px rgba(28,103,255,.28)
    }
    .floating button{background:linear-gradient(135deg,#ff4d8d,#ff8a4c)}
    .reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .reveal.in{opacity:1;transform:none}
    .logo-inline{width:64px;height:64px;border-radius:16px;background:#fff;border:1px solid var(--line);object-fit:contain}
    .home-link{display:inline-flex}
    .mobile-only{display:none}
    @media (max-width: 1024px){
      .hero-grid,.split,footer .panel,.grid-3,.reviews,.articles,.services,.cases,.metrics{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 760px){
      .nav-links,.nav-actions .btn-outline{display:none}
      .menu-toggle{display:inline-flex}
      .mobile-only{display:block}
      .hero-grid,.split,footer .panel,.grid-3,.grid-2,.reviews,.articles,.services,.cases,.metrics,.hero-points,.form-grid{grid-template-columns:1fr}
      .hero-main{padding:24px}
      .section-head{flex-direction:column;align-items:flex-start}
      .brand h1,.brand .site-title{font-size:16px}
      .floating{right:12px;bottom:12px}
      .compare-table{min-width:900px}
    }