:root{
      --bg:#f6f8fc;
      --bg2:#eef4ff;
      --card:#ffffff;
      --text:#152033;
      --muted:#5d6a82;
      --line:#dbe4f3;
      --brand:#ff4d6d;
      --brand2:#6b5cff;
      --brand3:#00b8d9;
      --gold:#ffb703;
      --shadow:0 18px 50px rgba(24,39,75,.10);
      --shadow2:0 10px 26px rgba(24,39,75,.08);
      --radius:22px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:linear-gradient(180deg,#fff 0%,var(--bg) 100%);color:var(--text)}
    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;background:rgba(255,255,255,.86);backdrop-filter:saturate(1.2) blur(14px);border-bottom:1px solid rgba(219,228,243,.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:44px;height:44px;object-fit:contain;border-radius:12px;background:#fff;box-shadow:0 6px 18px rgba(18,30,57,.08)}
    .brand strong{display:block;font-size:1rem;letter-spacing:.5px}
    .brand span{display:block;font-size:.78rem;color:var(--muted)}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
    .nav-links a{font-size:.95rem;color:var(--text);padding:8px 10px;border-radius:999px;transition:.2s ease}
    .nav-links a:hover{background:rgba(107,92,255,.08);color:#3d2dd8}
    .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:12px 18px;font-weight:700;cursor:pointer;transition:.2s ease;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--brand) 0%,var(--brand2) 100%);color:#fff;box-shadow:0 12px 24px rgba(107,92,255,.20)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(107,92,255,.26)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-ghost:hover{border-color:#b7c6e8;transform:translateY(-1px)}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:14px;width:46px;height:46px;align-items:center;justify-content:center}
    .hero{position:relative;overflow:hidden;padding:42px 0 22px;background:
      radial-gradient(circle at 20% 20%, rgba(255,77,109,.18), transparent 28%),
      radial-gradient(circle at 80% 14%, rgba(0,184,217,.16), transparent 24%),
      radial-gradient(circle at 75% 80%, rgba(107,92,255,.16), transparent 24%),
      linear-gradient(180deg,#fff 0%, #f7f9ff 100%)}
    .hero::before,.hero::after{content:"";position:absolute;border-radius:50%;pointer-events:none;filter:blur(18px);opacity:.6}
    .hero::before{width:220px;height:220px;left:-70px;top:120px;background:rgba(255,183,3,.16)}
    .hero::after{width:260px;height:260px;right:-80px;top:40px;background:rgba(107,92,255,.14)}
    .hero-grid{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:26px;align-items:stretch}
    .hero-copy,.hero-panel{background:rgba(255,255,255,.84);border:1px solid rgba(219,228,243,.9);box-shadow:var(--shadow);border-radius:28px}
    .hero-copy{padding:34px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.88rem;font-weight:700;color:#4d39e8;background:rgba(107,92,255,.08);padding:8px 12px;border-radius:999px}
    h1{margin:16px 0 12px;font-size:clamp(2rem,4vw,4rem);line-height:1.06;letter-spacing:-.02em}
    .hero p{margin:0;color:var(--muted);font-size:1.03rem;line-height:1.8}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px}
    .metric{padding:16px;border-radius:20px;background:linear-gradient(180deg,#fff, #f8fbff);border:1px solid var(--line)}
    .metric strong{display:block;font-size:1.25rem}
    .metric span{display:block;margin-top:6px;color:var(--muted);font-size:.9rem;line-height:1.5}
    .hero-panel{padding:22px;display:flex;flex-direction:column;gap:14px;justify-content:space-between}
    .panel-top{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .small-card{background:linear-gradient(180deg,#fff, #f7faff);border:1px solid var(--line);border-radius:20px;padding:16px;min-height:122px}
    .small-card h3{margin:0 0 8px;font-size:1rem}
    .small-card p{margin:0;color:var(--muted);font-size:.92rem;line-height:1.65}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:rgba(255,77,109,.08);color:#be2343;font-size:.9rem;border:1px solid rgba(255,77,109,.12)}
    .section{padding:26px 0}
    .section h2{margin:0 0 10px;font-size:clamp(1.45rem,2vw,2.2rem);line-height:1.15}
    .section-lead{margin:0 0 18px;color:var(--muted);line-height:1.8}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .card{background:var(--card);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:var(--shadow)}
    .card h3{margin:0 0 10px;font-size:1.08rem}
    .card p,.card li{color:var(--muted);line-height:1.75}
    .icon-badge{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(255,77,109,.12),rgba(107,92,255,.12));margin-bottom:14px;color:#3d2dd8;font-weight:800}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{position:relative;padding:22px;border-radius:22px;background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid var(--line)}
    .step::after{content:"";position:absolute;inset:auto 18px 18px auto;width:56px;height:56px;border-radius:50%;background:radial-gradient(circle,rgba(255,183,3,.22),transparent 62%)}
    .step span{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:12px;background:#eef2ff;color:#4338ca;font-weight:800;margin-bottom:12px}
    .table-wrap{overflow:auto;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:var(--shadow2)}
    table{width:100%;border-collapse:collapse;min-width:920px}
    th,td{padding:16px 18px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#f8faff;font-size:.95rem}
    td{color:var(--muted);line-height:1.7}
    .rating{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(255,183,3,.14);color:#915a00;font-weight:700}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .timeline .card{position:relative}
    .timeline .card::before{content:"";position:absolute;left:22px;top:18px;bottom:18px;width:2px;background:linear-gradient(180deg,var(--brand),var(--brand2));opacity:.15}
    .timeline .card strong{display:block;margin-bottom:8px}
    .reviews,.articles{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .review .meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
    .review .name{font-weight:800}
    .stars{color:#f59e0b;letter-spacing:1px}
    .faq{display:grid;gap:12px}
    .faq-item{border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden}
    .faq-q{width:100%;padding:18px 20px;background:transparent;border:0;display:flex;justify-content:space-between;align-items:center;gap:14px;font-size:1rem;font-weight:700;color:var(--text);text-align:left;cursor:pointer}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 20px;color:var(--muted);line-height:1.75}
    .faq-item.active .faq-a{padding-bottom:18px;max-height:240px}
    .faq-item.active .chev{transform:rotate(180deg)}
    .chev{transition:.2s ease}
    .form-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:18px}
    form{display:grid;gap:14px}
    .field{display:grid;gap:8px}
    .field label{font-weight:700;font-size:.95rem}
    .field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:16px;padding:14px 15px;background:#fff;color:var(--text);font:inherit;outline:none;transition:.2s ease}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:#9a8cff;box-shadow:0 0 0 4px rgba(107,92,255,.08)}
    .field textarea{min-height:124px;resize:vertical}
    .info-list{display:grid;gap:12px}
    .info-item{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:18px;background:linear-gradient(180deg,#fff,#f7faff);border:1px solid var(--line)}
    .dot{width:10px;height:10px;border-radius:50%;margin-top:8px;background:linear-gradient(135deg,var(--brand),var(--brand2))}
    .floating{position:fixed;right:16px;bottom:18px;z-index:60;display:grid;gap:10px}
    .float-btn{display:flex;align-items:center;justify-content:center;width:54px;height:54px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow2)}
    .float-btn.primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;border-color:transparent}
    .footer{margin-top:10px;background:#0f172a;color:#d7e1ff}
    .footer a{color:#fff}
    .footer .container{padding:26px 0}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}
    .footer h3{margin:0 0 12px;color:#fff}
    .footer p,.footer li{color:#b9c6e6;line-height:1.75}
    .footer ul{margin:0;padding:0;list-style:none;display:grid;gap:8px}
    .footer-bottom{margin-top:16px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;color:#b9c6e6;font-size:.92rem}
    .mini-links{display:flex;flex-wrap:wrap;gap:10px}
    .mini-links a{padding:7px 10px;border-radius:999px;background:rgba(255,255,255,.08)}
    .scroll-top{position:fixed;right:16px;bottom:86px;width:46px;height:46px;border-radius:16px;border:0;background:#fff;box-shadow:var(--shadow2);display:none;align-items:center;justify-content:center;z-index:60}
    .reveal{opacity:0;transform:translateY(16px);transition:.6s ease}
    .reveal.in{opacity:1;transform:none}
    .banner-images{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .banner-images img,.case-img img{width:100%;height:auto;border-radius:20px;border:1px solid var(--line);box-shadow:var(--shadow2)}
    .case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .case-img{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .subtle{font-size:.92rem;color:var(--muted)}
    .home-link{font-weight:800}
    @media (max-width: 1024px){
      .hero-grid,.grid-3,.reviews,.articles,.footer-grid,.case-grid,.form-grid,.grid-2,.steps,.timeline,.banner-images{grid-template-columns:1fr 1fr}
      .hero-grid{grid-template-columns:1fr}
      .reviews,.articles,.footer-grid,.case-grid,.form-grid,.steps,.timeline,.banner-images{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 768px){
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:70px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:12px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}
      .nav-links.open{display:flex}
      .menu-btn{display:inline-flex}
      .hero{padding-top:22px}
      .hero-copy{padding:24px}
      .hero-metrics,.panel-top,.grid-3,.grid-2,.reviews,.articles,.footer-grid,.case-grid,.form-grid,.steps,.timeline,.banner-images{grid-template-columns:1fr}
      .nav{position:relative}
      .hero-actions{gap:10px}
      .btn{width:100%}
      .nav-actions .btn{width:auto}
      .floating{right:12px;bottom:12px}
    }