:root{
      --bg:#f7f7fb;
      --bg2:#fff7ef;
      --card:#ffffff;
      --text:#1f2937;
      --muted:#5b6472;
      --line:#e7e7ef;
      --brand:#ff5a3d;
      --brand2:#3f6bff;
      --brand3:#15b8a6;
      --shadow:0 14px 40px rgba(20, 33, 61, .08);
      --radius:20px;
      --radius-sm:14px;
      --max:1200px;
    }
    *{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(255,90,61,.12), transparent 26%),
        radial-gradient(circle at 85% 10%, rgba(63,107,255,.12), transparent 20%),
        linear-gradient(180deg, var(--bg2) 0%, #fff 18%, var(--bg) 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{max-width:var(--max);margin:0 auto;padding:0 20px}
    .topbar{
      position:sticky;top:0;z-index:40;
      backdrop-filter:saturate(160%) blur(12px);
      background:rgba(255,255,255,.78);
      border-bottom:1px solid rgba(231,231,239,.9);
    }
    .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;border-radius:10px;background:#fff;border:1px solid var(--line)}
    .brand h2{font-size:18px;margin:0;line-height:1.1}
    .brand small{display:block;color:var(--muted);font-size:12px;margin-top:3px}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#334155;padding:8px 10px;border-radius:10px;transition:.2s}
    .nav-links a:hover,.nav-links a.active{background:rgba(255,90,61,.10);color:#c93f26}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:none;border-radius:999px;padding:12px 18px;font-weight:700;cursor:pointer;
      transition:.2s transform,.2s box-shadow,.2s background,.2s color;
      box-shadow:0 8px 20px rgba(63,107,255,.14);
    }
    .btn:hover{transform:translateY(-1px)}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#ff8b3d);color:#fff}
    .btn-secondary{background:#fff;color:var(--brand2);border:1px solid #d9e2ff;box-shadow:none}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);width:44px;height:44px;border-radius:12px}
    .hero{
      padding:42px 0 24px;
    }
    .hero-wrap{
      display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch;
    }
    .hero-main,.hero-side,.panel,.card,.faq-item,.review,.case,.table-wrap,.form-wrap,.article-list,.timeline,.price-box{
      background:rgba(255,255,255,.82);
      border:1px solid rgba(231,231,239,.95);
      box-shadow:var(--shadow);
      border-radius:var(--radius);
    }
    .hero-main{padding:34px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      background:rgba(255,90,61,.10);color:#c33f25;border-radius:999px;
      padding:8px 12px;font-size:13px;font-weight:700;
    }
    h1{font-size:clamp(32px,5vw,56px);line-height:1.05;margin:16px 0 14px;letter-spacing:-.03em}
    .lead{font-size:16px;line-height:1.8;color:var(--muted);margin:0 0 22px;max-width:60ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .mini-stat{padding:16px;border-radius:16px;background:linear-gradient(180deg,#fff,#fff7f2);border:1px solid #ffe3d7}
    .mini-stat strong{display:block;font-size:18px}
    .mini-stat span{color:var(--muted);font-size:13px}
    .hero-side{padding:22px;display:grid;gap:14px}
    .side-box{
      background:linear-gradient(180deg,#fff,#fafcff);
      border:1px solid var(--line);
      border-radius:18px;
      padding:18px;
    }
    .side-box h3{margin:0 0 10px;font-size:18px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid #e8ecf5;color:#334155;font-size:13px}
    section{padding:18px 0}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:28px}
    .section-head p{margin:0;color:var(--muted);max-width:72ch;line-height:1.7}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .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{padding:20px}
    .card h3{margin:12px 0 10px;font-size:18px}
    .card p,.card li{color:var(--muted);line-height:1.75}
    .icon{
      width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(255,90,61,.14),rgba(63,107,255,.14));
      color:#c43b24;font-weight:800;
    }
    .badge{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;font-size:12px;background:#eef4ff;color:#3450b8;font-weight:700}
    .flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{padding:20px;border-radius:18px;background:#fff;border:1px solid var(--line);position:relative;overflow:hidden}
    .step:after{
      content:"";position:absolute;inset:auto -20px -20px auto;width:84px;height:84px;border-radius:50%;
      background:radial-gradient(circle, rgba(255,90,61,.12), transparent 65%);
    }
    .step-num{font-size:12px;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--brand2),var(--brand));display:inline-flex;width:30px;height:30px;align-items:center;justify-content:center;border-radius:999px}
    .compare{overflow:auto}
    table{width:100%;border-collapse:collapse;min-width:900px;background:#fff}
    th,td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#fafbff;font-size:14px}
    .yes{color:#107c41;font-weight:700}
    .no{color:#bc2f2f;font-weight:700}
    .score{
      display:grid;grid-template-columns:1.05fr .95fr;gap:16px;align-items:stretch
    }
    .rating{
      padding:24px;background:linear-gradient(135deg,#fff, #fff6f1);border-radius:20px;border:1px solid #ffd9c9
    }
    .stars{color:#ff9b1a;font-size:22px;letter-spacing:2px}
    .rating strong{font-size:42px;display:block;line-height:1;margin:10px 0}
    .rating small{color:var(--muted)}
    .list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
    .list li{padding:12px 14px;background:#fff;border:1px solid var(--line);border-radius:14px}
    .faq-item{overflow:hidden}
    .faq-q{
      width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;
      background:none;border:none;padding:18px 18px;font-size:16px;font-weight:700;color:#1f2937;cursor:pointer;text-align:left
    }
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 18px;color:var(--muted);line-height:1.8}
    .faq-item.open .faq-a{max-height:180px;padding-bottom:18px}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review{padding:20px}
    .review .meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
    .avatar{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#ffd4c7,#cfe0ff);font-weight:800;color:#234}
    .review h4{margin:0;font-size:16px}
    .review p{margin:10px 0 0;color:var(--muted);line-height:1.8}
    .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .case{padding:20px}
    .case img{width:100%;border-radius:16px;border:1px solid var(--line);margin:12px 0 14px;object-fit:cover}
    .article-list{padding:8px 0}
    .article-list a{display:flex;justify-content:space-between;gap:14px;padding:16px 20px;border-top:1px solid var(--line);color:#1f2937}
    .article-list a:first-child{border-top:none}
    .article-list span{color:var(--muted)}
    .panel{padding:22px}
    .panel h3{margin-top:0}
    .support{
      display:grid;grid-template-columns:1fr 320px;gap:16px;align-items:start
    }
    .qrcode{padding:18px;background:linear-gradient(180deg,#fff,#fffaf5);border-radius:18px;border:1px solid #ffdecf;text-align:center}
    .qrcode img{margin:0 auto 12px;border-radius:16px;border:1px solid var(--line);max-width:220px}
    .form-wrap{padding:22px}
    form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .full{grid-column:1 / -1}
    label{display:block;font-size:13px;font-weight:700;margin-bottom:8px;color:#334155}
    input,select,textarea{
      width:100%;border:1px solid #dbe3ef;background:#fff;border-radius:14px;padding:13px 14px;
      font:inherit;color:var(--text);outline:none;transition:.2s border,.2s box-shadow
    }
    input:focus,select:focus,textarea:focus{border-color:#7aa2ff;box-shadow:0 0 0 4px rgba(63,107,255,.10)}
    textarea{min-height:120px;resize:vertical}
    .footer{
      margin-top:14px;padding:24px 0 34px;background:#0f172a;color:#d6def0
    }
    .footer a{color:#fff}
    .footer .container{display:grid;gap:18px}
    .footer-top{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:18px}
    .footer p,.footer li{color:#c8d2e5;line-height:1.8}
    .footer h3,.footer h4{margin:0 0 12px;color:#fff}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.08)}
    .copyright{border-top:1px solid rgba(255,255,255,.12);padding-top:16px;color:#aab7d0;font-size:13px}
    .float-tools{
      position:fixed;right:16px;bottom:16px;z-index:50;display:grid;gap:10px
    }
    .float-tools a,.float-tools button{
      width:48px;height:48px;border-radius:50%;border:none;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--brand2),var(--brand));color:#fff;box-shadow:0 12px 24px rgba(63,107,255,.22);cursor:pointer
    }
    .fade-in{opacity:0;transform:translateY(18px);transition:.6s ease}
    .fade-in.show{opacity:1;transform:none}
    .mobile-only{display:none}
    .pill-row{display:flex;flex-wrap:wrap;gap:10px}
    .price-box{padding:20px}
    .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .price{padding:16px;border-radius:16px;background:#fff;border:1px solid var(--line)}
    .price strong{display:block;font-size:22px;margin-bottom:6px}
    .timeline{padding:20px}
    .timeline ol{margin:0;padding:0;list-style:none;display:grid;gap:14px}
    .timeline li{display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:start}
    .dot{width:14px;height:14px;border-radius:50%;margin-top:6px;background:linear-gradient(135deg,var(--brand),var(--brand2));box-shadow:0 0 0 6px rgba(255,90,61,.10)}
    @media (max-width: 1024px){
      .hero-wrap,.score,.support,.footer-top,.grid-4,.grid-3,.reviews,.case-grid,.flow,.grid-2,.price-grid{grid-template-columns:1fr 1fr}
      .hero-points{grid-template-columns:1fr}
    }
    @media (max-width: 768px){
      .nav-links{display:none}
      .nav-links.open{display:flex;position:absolute;left:20px;right:20px;top:74px;flex-direction:column;align-items:flex-start;padding:14px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
      .menu-btn{display:inline-grid;place-items:center}
      .nav{position:relative}
      .hero-wrap,.score,.support,.footer-top,.grid-4,.grid-3,.reviews,.case-grid,.flow,.grid-2,.price-grid,form{grid-template-columns:1fr}
      .hero-main{padding:24px}
      h1{font-size:clamp(30px,9vw,44px)}
      .section-head{flex-direction:column;align-items:flex-start}
      .mobile-only{display:block}
      .desktop-only{display:none}
    }