:root{
      --bg:#f7f2ea;
      --bg2:#eef3ff;
      --card:#fffdf8;
      --text:#172033;
      --muted:#5b6478;
      --line:#e7dfd0;
      --brand:#0c6bff;
      --brand2:#ff4d6d;
      --brand3:#16c1a5;
      --shadow:0 16px 40px rgba(21, 32, 55, .08);
      --radius:22px;
      --radius-sm:16px;
      --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", sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(12,107,255,.14), transparent 24%),
        radial-gradient(circle at 80% 10%, rgba(255,77,109,.11), transparent 22%),
        linear-gradient(180deg, #fffdf8 0%, #f7f2ea 42%, #f5f7ff 100%);
      min-width:320px;
    }
    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:30;
      backdrop-filter: blur(14px);
      background:rgba(255,250,242,.82);
      border-bottom:1px solid rgba(231,223,208,.8);
    }
    .topbar{
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      padding:14px 0;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:42px;height:42px;object-fit:contain}
    .brand strong{display:block;font-size:1.02rem;line-height:1.2}
    .brand span{display:block;font-size:.82rem;color:var(--muted)}
    .nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:14px;padding:10px 12px;color:var(--text)}
    .nav{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    .nav a{font-size:.95rem;color:#2b3140;padding:8px 10px;border-radius:10px;transition:.2s}
    .nav a:hover,.nav a.active{background:rgba(12,107,255,.08);color:var(--brand)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:none;border-radius:14px;padding:12px 18px;font-weight:700;cursor:pointer;
      transition:.22s ease;box-shadow:none;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),#4a86ff);color:#fff;box-shadow:0 14px 26px rgba(12,107,255,.18)}
    .btn-secondary{background:#fff;color:var(--text);border:1px solid var(--line)}
    .btn-accent{background:linear-gradient(135deg,var(--brand2),#ff8f70);color:#fff}
    .btn:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(21,32,55,.12)}
    .hero{
      padding:28px 0 18px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch;
    }
    .hero-main,.hero-side,.panel,.card,.faq-item,.review,.article,.price-card,.compare,.form-card{
      background:rgba(255,253,248,.86);
      border:1px solid rgba(231,223,208,.9);
      box-shadow:var(--shadow);
      border-radius:var(--radius);
    }
    .hero-main{padding:28px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      background:rgba(22,193,165,.12);color:#137d6a;border:1px solid rgba(22,193,165,.18);
      padding:7px 12px;border-radius:999px;font-size:.86rem;font-weight:700;
    }
    h1{margin:16px 0 12px;font-size:clamp(2rem,4vw,3.8rem);line-height:1.06;letter-spacing:-.03em}
    .hero p{margin:0;color:var(--muted);line-height:1.8;font-size:1.02rem}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
    .chip{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#334; font-size:.92rem}
    .hero-side{padding:22px;display:flex;flex-direction:column;gap:14px}
    .hero-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .stat{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff,#f9f6ef);border:1px solid var(--line)}
    .stat strong{display:block;font-size:1.4rem}
    .stat span{display:block;color:var(--muted);font-size:.88rem;margin-top:6px;line-height:1.5}
    .mini-list{display:grid;gap:10px}
    .mini-item{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;background:#fff;border:1px solid var(--line);border-radius:16px}
    .mini-dot{width:10px;height:10px;border-radius:999px;margin-top:6px;background:linear-gradient(135deg,var(--brand),var(--brand2))}
    section{padding:22px 0}
    .section-head{display:flex;justify-content:space-between;gap:16px;align-items:end;margin-bottom:16px}
    .section-head h2{margin:0;font-size:1.7rem}
    .section-head p{margin:0;color:var(--muted);max-width:62ch;line-height:1.7}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .card{padding:20px}
    .card h3,.card h4{margin:0 0 10px}
    .card p,.card li{color:var(--muted);line-height:1.7}
    .icon{
      width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(12,107,255,.14), rgba(255,77,109,.14));
      color:var(--brand);font-weight:800;margin-bottom:14px
    }
    .tags{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:8px 11px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:.9rem}
    .flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .step{position:relative;overflow:hidden}
    .step .num{font-size:.9rem;font-weight:800;color:var(--brand)}
    .step:after{content:"";position:absolute;inset:auto -14px -20px auto;width:70px;height:70px;border-radius:50%;background:radial-gradient(circle, rgba(12,107,255,.10), transparent 68%)}
    .table-wrap{overflow-x:auto;border-radius:18px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:840px;background:#fff}
    th,td{padding:16px 14px;border-bottom:1px solid #efe7da;text-align:left;vertical-align:top}
    th{background:#faf7f0;font-size:.95rem}
    tr:last-child td{border-bottom:none}
    .check{color:#0a8f5d;font-weight:700}
    .cross{color:#c24040;font-weight:700}
    .compare-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:14px}
    .rating{display:grid;gap:10px}
    .stars{font-size:1.2rem;letter-spacing:2px;color:#ffb000}
    .muted{color:var(--muted)}
    .story-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:14px;align-items:start}
    .timeline{display:grid;gap:12px}
    .time-item{display:flex;gap:12px;padding:14px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .time-dot{width:12px;height:12px;border-radius:50%;margin-top:7px;background:linear-gradient(135deg,var(--brand3),var(--brand))}
    .gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .gallery img,.side-img img{width:100%;height:auto;border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow)}
    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .review{padding:18px}
    .review .meta{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:10px}
    .avatar{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#e8f0ff,#fff0f2);font-weight:800;color:#244}
    .articles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .article{padding:18px}
    .article small{color:var(--muted)}
    .article h3{margin-top:8px}
    .faq-list{display:grid;gap:12px}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{
      width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;
      padding:18px 20px;background:transparent;border:none;color:var(--text);font:inherit;cursor:pointer;text-align:left
    }
    .faq-a{display:none;padding:0 20px 18px;color:var(--muted);line-height:1.75}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q{border-bottom:1px solid #efe7da}
    .form-card{padding:20px}
    .form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .field{display:grid;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-weight:700;font-size:.95rem}
    input,select,textarea{
      width:100%;border:1px solid #d9d0bf;background:#fff;border-radius:14px;padding:13px 14px;
      font:inherit;color:var(--text);outline:none;transition:.2s
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(12,107,255,.65);box-shadow:0 0 0 4px rgba(12,107,255,.09)}
    .footer{
      margin-top:18px;padding:24px 0 28px;border-top:1px solid rgba(231,223,208,.9);
      background:rgba(247,242,234,.88);color:var(--text)
    }
    .footer a{color:#1f4fbf}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:14px;align-items:start}
    .footer .copy{margin-top:10px;color:var(--muted);line-height:1.7;font-size:.92rem}
    .float-actions{
      position:fixed;right:16px;bottom:16px;z-index:40;display:grid;gap:10px
    }
    .float-btn{
      width:48px;height:48px;border-radius:16px;border:none;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--brand),#67a4ff);color:#fff;box-shadow:0 14px 26px rgba(12,107,255,.25);cursor:pointer
    }
    .float-panel{
      position:fixed;right:16px;bottom:76px;z-index:40;width:min(320px, calc(100vw - 32px));
      background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:16px;display:none
    }
    .float-panel.show{display:block}
    .float-panel img{border-radius:14px;border:1px solid var(--line)}
    .floating-links{display:flex;gap:10px;flex-wrap:wrap}
    .sticky-cta{
      display:flex;justify-content:space-between;align-items:center;gap:14px;padding:16px 18px;border-radius:20px;
      background:linear-gradient(135deg, rgba(12,107,255,.12), rgba(255,77,109,.10));border:1px solid rgba(12,107,255,.10)
    }
    .scroll-top{position:fixed;right:16px;bottom:132px}
    .reveal{opacity:0;transform:translateY(14px);transition:.55s ease}
    .reveal.in{opacity:1;transform:none}
    @media (max-width: 980px){
      .hero-grid,.grid-4,.grid-3,.grid-2,.flow,.compare-grid,.story-grid,.reviews,.articles,.footer-grid{grid-template-columns:1fr}
      .hero{padding-top:18px}
      .section-head{flex-direction:column;align-items:flex-start}
    }
    @media (max-width: 720px){
      .nav-toggle{display:inline-flex}
      .nav{
        position:absolute;left:16px;right:16px;top:72px;display:none;flex-direction:column;align-items:stretch;
        background:#fff;border:1px solid var(--line);border-radius:18px;padding:10px;box-shadow:var(--shadow)
      }
      .nav.show{display:flex}
      .nav a{padding:12px 12px}
      .hero-main{padding:22px}
      .form{grid-template-columns:1fr}
      .hero-stats{grid-template-columns:1fr 1fr}
    }