:root{
      --bg:#f7f5ef;
      --card:#ffffff;
      --text:#1f2937;
      --muted:#667085;
      --line:#e8e2d8;
      --brand1:#ff7a59;
      --brand2:#6f5bff;
      --brand3:#22c1c3;
      --accent:#ffb347;
      --shadow:0 18px 40px rgba(40,32,16,.08);
      --radius:22px;
      --radius-sm:16px;
      --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;
      color:var(--text);
      background:
        radial-gradient(circle at 15% 10%, rgba(111,91,255,.12), transparent 24%),
        radial-gradient(circle at 85% 0%, rgba(34,193,195,.14), transparent 28%),
        linear-gradient(180deg, #fffdfa 0%, var(--bg) 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{max-width:var(--container);margin:0 auto;padding:0 20px}
    header{
      position:sticky;top:0;z-index:30;
      backdrop-filter:saturate(150%) blur(14px);
      background:rgba(247,245,239,.82);
      border-bottom:1px solid rgba(232,226,216,.8);
    }
    .topbar{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:40px;height:40px;object-fit:contain;border-radius:10px;background:#fff;padding:4px;box-shadow:0 8px 22px rgba(0,0,0,.06)}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:3px}
    .nav{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:flex-end}
    .nav a{font-size:14px;color:#374151;padding:8px 10px;border-radius:999px;transition:.2s}
    .nav a:hover{background:rgba(111,91,255,.09);color:#251f55}
    .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;transition:.22s;cursor:pointer;
      box-shadow:0 10px 20px rgba(0,0,0,.04);
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand1),var(--brand2));color:#fff}
    .btn-ghost{background:#fff;border-color:var(--line);color:#263238}
    .btn:hover{transform:translateY(-1px);box-shadow:0 16px 30px rgba(0,0,0,.08)}
    .mobile-toggle{display:none}
    .hero{
      padding:42px 0 24px;
      position:relative;
      overflow:hidden;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:stretch;
    }
    .hero-main,.hero-side,.card,.panel,.faq-item,.review,.step,.article,.benefit,.compare,.form-wrap,.info-box{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(232,226,216,.95);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-main{padding:34px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(111,91,255,.08);color:#4338ca;font-weight:700;font-size:13px}
    h1{margin:18px 0 14px;font-size:clamp(30px,5vw,56px);line-height:1.06;letter-spacing:-.03em}
    .lead{margin:0;color:var(--muted);font-size:16px;line-height:1.8;max-width:62ch}
    .hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 18px}
    .stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:22px}
    .stat{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff, #fbfaf7);border:1px solid var(--line)}
    .stat strong{display:block;font-size:22px}
    .stat span{display:block;color:var(--muted);font-size:13px;margin-top:4px}
    .hero-side{padding:24px;display:flex;flex-direction:column;gap:14px}
    .mini-title{font-size:15px;font-weight:800;margin:0 0 8px}
    .pill-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .pill{padding:9px 12px;border-radius:999px;background:#f5f3ff;border:1px solid #e4ddff;font-size:13px;color:#4338ca}
    .section{padding:22px 0}
    .section h2{font-size:clamp(24px,3vw,38px);margin:0 0 10px;line-height:1.15}
    .section p.section-desc{margin:0 0 18px;color:var(--muted);line-height:1.8}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .card,.benefit,.article,.review,.step,.faq-item,.compare,.form-wrap,.info-box{padding:22px}
    .card h3,.benefit h3,.review h3,.article h3,.info-box h3{margin:0 0 10px;font-size:18px}
    .card p,.benefit p,.review p,.article p,.info-box p{margin:0;color:var(--muted);line-height:1.75}
    .icon{
      width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(255,122,89,.16),rgba(111,91,255,.16));
      color:#5b31ff;font-weight:900;margin-bottom:14px
    }
    .timeline{display:grid;gap:14px}
    .timeline-item{display:grid;grid-template-columns:88px 1fr;gap:14px;align-items:start;padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .timeline-item strong{display:inline-block;color:#4b5563}
    .timeline-item span{color:var(--muted);line-height:1.7}
    .compare-wrap{overflow:auto;border-radius:18px}
    table{width:100%;border-collapse:collapse;min-width:760px;background:#fff}
    th,td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#faf7f2;font-size:14px}
    .score{font-size:28px;font-weight:900;color:#7c3aed}
    .stars{color:#f59e0b;font-size:18px}
    .tagline{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
    .tag{padding:8px 12px;border-radius:999px;background:#fff7ed;color:#b45309;border:1px solid #fed7aa;font-size:13px}
    .qa{display:grid;gap:12px}
    .faq-item summary{cursor:pointer;list-style:none;font-weight:800;display:flex;justify-content:space-between;gap:16px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item p{margin:12px 0 0;color:var(--muted);line-height:1.75}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .quote{font-size:14px;line-height:1.8;color:#374151}
    .author{margin-top:14px;font-weight:800}
    .sub{font-size:13px;color:var(--muted);margin-top:3px}
    .article-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .article a{color:#4338ca;font-weight:700}
    .form-wrap form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .field{display:grid;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-size:14px;font-weight:700}
    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
    }
    input:focus,select:focus,textarea:focus{border-color:#a78bfa;box-shadow:0 0 0 4px rgba(167,139,250,.14)}
    textarea{min-height:120px;resize:vertical}
    .footer{
      margin-top:18px;padding:26px 0 30px;border-top:1px solid var(--line);background:rgba(255,255,255,.5)
    }
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start}
    .footer small,.footer p,.footer a{color:#4b5563}
    .links{display:flex;flex-wrap:wrap;gap:10px}
    .links a{padding:8px 10px;background:#fff;border:1px solid var(--line);border-radius:999px}
    .sticky-contact{
      position:fixed;right:16px;bottom:16px;z-index:40;display:grid;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:16px;background:linear-gradient(135deg,var(--brand1),var(--brand2));
      color:#fff;display:grid;place-items:center;box-shadow:0 16px 30px rgba(111,91,255,.25);font-weight:900
    }
    .top-btn{background:#fff;color:#374151;border:1px solid var(--line)}
    .reveal{opacity:0;transform:translateY(16px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    .two-image{
      display:grid;grid-template-columns:1fr 1fr;gap:14px
    }
    .image-card{padding:12px;background:#fff;border:1px solid var(--line);border-radius:20px}
    .image-card img{border-radius:14px;width:100%;height:auto}
    .menu-panel{display:none}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.reviews,.article-list,.footer-grid{grid-template-columns:1fr}
      .stat-row{grid-template-columns:repeat(2,1fr)}
      .nav{display:none}
      .mobile-toggle{display:inline-flex}
      .menu-panel{
        display:none;padding:0 0 16px
      }
      .menu-panel.open{display:block}
      .menu-panel .nav{display:flex;align-items:flex-start;justify-content:flex-start;padding:10px 0 14px}
      .menu-panel .nav a{background:#fff;border:1px solid var(--line)}
      .form-wrap form{grid-template-columns:1fr}
      .two-image{grid-template-columns:1fr}
    }