:root{
      --bg:#f5f7fb;
      --bg2:#eef3ff;
      --card:#ffffff;
      --card2:#f8fbff;
      --text:#1d2433;
      --muted:#5f6b82;
      --line:#dbe4f0;
      --primary:#3a63ff;
      --primary2:#7a5cff;
      --accent:#12b8a6;
      --warm:#ffb14b;
      --shadow:0 18px 45px rgba(20,39,82,.08);
      --shadow2:0 10px 28px rgba(58,99,255,.12);
      --radius:22px;
      --radius2:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 10%, rgba(58,99,255,.09), transparent 24%),
        radial-gradient(circle at 90% 15%, rgba(122,92,255,.10), transparent 26%),
        radial-gradient(circle at 70% 85%, rgba(18,184,166,.08), transparent 22%),
        linear-gradient(180deg, #fbfcff 0%, var(--bg) 60%, #f7f8fd 100%);
      line-height:1.65;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(100% - 32px, var(--container));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:30;
      backdrop-filter:saturate(1.2) blur(14px);
      background:rgba(245,247,251,.82);
      border-bottom:1px solid rgba(219,228,240,.8);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      min-height:74px;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:42px;height:42px;object-fit:contain}
    .brand-text{display:flex;flex-direction:column;min-width:0}
    .brand-text strong{font-size:1.03rem;letter-spacing:.4px}
    .brand-text span{font-size:.82rem;color:var(--muted)}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:.95rem;color:var(--text);opacity:.86;padding:8px 10px;border-radius:999px;transition:.25s ease}
    .nav-links a:hover{background:rgba(58,99,255,.09);color:var(--primary)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn,.btn-outline,.btn-ghost{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:12px 18px;border-radius:999px;border:1px solid transparent;
      font-weight:700;transition:.25s ease;cursor:pointer;white-space:nowrap
    }
    .btn{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:var(--shadow2)}
    .btn:hover{transform:translateY(-1px);box-shadow:0 16px 35px rgba(58,99,255,.18)}
    .btn-outline{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-outline:hover{border-color:rgba(58,99,255,.28);color:var(--primary);transform:translateY(-1px)}
    .btn-ghost{background:rgba(255,255,255,.7);border-color:rgba(219,228,240,.9);color:var(--text)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 12px;color:var(--text)}
    .hero{
      position:relative;
      padding:56px 0 28px;
    }
    .hero::before{
      content:"";
      position:absolute;inset:0;
      background:
        linear-gradient(135deg, rgba(58,99,255,.10), rgba(122,92,255,.06) 50%, rgba(18,184,166,.08));
      clip-path:polygon(0 0,100% 0,100% 82%,0 100%);
      z-index:-1;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.18fr .82fr;gap:22px;align-items:stretch;
    }
    .hero-main,.hero-side,.panel,.section-card,.info-card,.quote-card,.news-card,.faq-item,.form-card,.price-card,.timeline-card,.compare-card{
      background:rgba(255,255,255,.84);
      border:1px solid rgba(219,228,240,.9);
      box-shadow:var(--shadow);
      border-radius:var(--radius);
    }
    .hero-main{padding:30px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border-radius:999px;
      background:rgba(58,99,255,.08);color:var(--primary);
      font-weight:700;font-size:.88rem;
    }
    h1{margin:16px 0 14px;font-size:clamp(2rem,4vw,3.6rem);line-height:1.08;letter-spacing:-.03em}
    .hero p{margin:0;color:var(--muted);font-size:1.02rem;max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 20px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px}
    .mini-stat{
      background:linear-gradient(180deg,#fff, #f7f9ff);
      border:1px solid var(--line);border-radius:18px;padding:14px 14px 12px;
    }
    .mini-stat strong{display:block;font-size:1.35rem;color:var(--text)}
    .mini-stat span{display:block;color:var(--muted);font-size:.88rem}
    .hero-side{padding:22px;display:flex;flex-direction:column;gap:14px}
    .side-card{
      padding:18px;border-radius:18px;background:linear-gradient(180deg,#fafdff,#f3f7ff);
      border:1px solid var(--line)
    }
    .side-card h3{margin:0 0 10px;font-size:1.02rem}
    .chip-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .chip{padding:8px 11px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:.88rem;color:var(--text)}
    .section{padding:18px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:16px;flex-wrap:wrap}
    .section-head h2{margin:0;font-size:1.55rem}
    .section-head p{margin:0;color:var(--muted);max-width:70ch}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .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}
    .info-card,.section-card,.quote-card,.news-card,.panel,.form-card,.price-card,.timeline-card,.compare-card{padding:20px}
    .icon-badge{
      width:46px;height:46px;border-radius:14px;
      display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(58,99,255,.12), rgba(122,92,255,.14));
      color:var(--primary);font-size:1.25rem;margin-bottom:12px
    }
    .info-card h3,.section-card h3,.quote-card h3,.news-card h3,.panel h3,.price-card h3,.timeline-card h3{margin:0 0 10px;font-size:1.05rem}
    .info-card p,.section-card p,.quote-card p,.news-card p,.panel p,.price-card p,.timeline-card p{margin:0;color:var(--muted)}
    .stat-strip{
      display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px
    }
    .stat-box{
      background:linear-gradient(180deg,#fff, #f7faff);
      border:1px solid var(--line);border-radius:18px;padding:18px
    }
    .stat-box strong{display:block;font-size:1.65rem;color:var(--primary)}
    .stat-box span{color:var(--muted);font-size:.92rem}
    .workflow{
      display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px
    }
    .step{
      position:relative;padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line)
    }
    .step::after{
      content:"";position:absolute;right:-8px;top:50%;width:14px;height:14px;
      background:linear-gradient(135deg,var(--primary),var(--primary2));
      transform:translateY(-50%) rotate(45deg);border-radius:2px;opacity:.75
    }
    .step:last-child::after{display:none}
    .step strong{display:inline-flex;width:30px;height:30px;border-radius:999px;align-items:center;justify-content:center;background:rgba(58,99,255,.08);color:var(--primary);margin-bottom:12px}
    .compare-wrap{overflow:auto}
    table{width:100%;border-collapse:separate;border-spacing:0;min-width:760px}
    th,td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#f5f8ff;color:var(--text);font-size:.95rem}
    tr:hover td{background:#fbfcff}
    .tag{
      display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;
      background:rgba(18,184,166,.10);color:#0f8c7f;font-size:.86rem;font-weight:700
    }
    .rating{
      display:flex;align-items:center;gap:8px;flex-wrap:wrap
    }
    .stars{color:#f7b500;letter-spacing:2px}
    .form-grid{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-weight:700;font-size:.94rem}
    input,select,textarea{
      width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:14px;
      background:#fff;color:var(--text);outline:none;transition:.2s ease;font:inherit
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(58,99,255,.5);box-shadow:0 0 0 4px rgba(58,99,255,.08)}
    textarea{min-height:120px;resize:vertical}
    .faq-list{display:grid;gap:12px}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{
      width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;
      padding:18px 20px;background:transparent;border:0;color:var(--text);font:inherit;font-weight:800;text-align:left;cursor:pointer
    }
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease,padding .28s ease;border-top:1px solid transparent}
    .faq-item.open .faq-a{max-height:220px;padding:0 20px 18px;border-top-color:var(--line)}
    .faq-a p{margin:14px 0 0;color:var(--muted)}
    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .review{padding:20px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .review .meta{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:12px}
    .review strong{display:block}
    .review span{color:var(--muted);font-size:.88rem}
    .review p{margin:0;color:var(--muted)}
    .cases,.articles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .case-card,.article-card{
      padding:20px;border-radius:20px;border:1px solid var(--line);background:linear-gradient(180deg,#fff,#f7faff)
    }
    .case-card h3,.article-card h3{margin:0 0 10px}
    .case-card ul{margin:0;padding-left:18px;color:var(--muted)}
    .case-card li{margin:6px 0}
    .timeline{
      display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px
    }
    .time-item{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .time-item strong{color:var(--primary);display:block;margin-bottom:8px}
    .footer{
      margin-top:14px;padding:26px 0 24px;background:#f2f5fb;border-top:1px solid var(--line);color:#1d2433
    }
    .footer a{color:#2447c9}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px;align-items:start}
    .footer small,.footer p,.footer li{color:#5f6b82}
    .footer ul{padding:0;margin:0;list-style:none;display:grid;gap:8px}
    .footer .copy{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:.9rem;color:#6b7488}
    .floating{
      position:fixed;right:18px;bottom:18px;z-index:40;display:flex;flex-direction:column;gap:10px
    }
    .floating a,.floating button{
      width:50px;height:50px;border-radius:16px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);
      display:grid;place-items:center;color:var(--primary);cursor:pointer
    }
    .service-badge{
      display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:.9rem
    }
    .image-row{
      display:grid;grid-template-columns:1fr 1fr;gap:16px
    }
    .image-card{
      padding:14px;border-radius:20px;background:#fff;border:1px solid var(--line)
    }
    .image-card img{width:100%;border-radius:14px}
    .link-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .link-cloud a{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--text)}
    .subtle{
      color:var(--muted);font-size:.92rem
    }
    .mobile-only{display:none}
    .hidden{display:none}
    @media (max-width: 1080px){
      .hero-grid,.grid-4,.grid-3,.reviews,.cases,.articles,.timeline,.footer-grid,.workflow,.stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
      .hero-side{order:-1}
      .workflow .step::after{display:none}
    }
    @media (max-width: 780px){
      .container{width:min(100% - 22px, var(--container))}
      .nav-links{
        position:absolute;left:16px;right:16px;top:74px;display:none;flex-direction:column;align-items:stretch;
        background:rgba(255,255,255,.98);border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:var(--shadow)
      }
      .nav-links.show{display:flex}
      .nav-links a{padding:12px 14px}
      .menu-toggle{display:inline-grid;place-items:center}
      .nav-actions .btn-outline{display:none}
      .hero{padding-top:22px}
      .hero-main{padding:22px}
      .hero-grid,.grid-4,.grid-3,.grid-2,.reviews,.cases,.articles,.timeline,.footer-grid,.workflow,.stat-strip,.hero-points,.image-row,.form-grid{grid-template-columns:1fr}
      .hero-side{order:2}
      .hero-points{gap:10px}
      .faq-q{padding:16px 16px}
      .faq-item.open .faq-a{padding:0 16px 16px}
      .mobile-only{display:block}
      .desktop-only{display:none}
      .step::after{display:none}
      .floating{right:12px;bottom:12px}
    }
    .reveal{opacity:0;transform:translateY(16px);transition:.6s ease}
    .reveal.visible{opacity:1;transform:none}