:root{
      --bg:#f5f7fb;
      --bg2:#eef3ff;
      --card:#ffffff;
      --text:#172033;
      --muted:#5d6783;
      --line:#d9e1f2;
      --primary:#0f62fe;
      --primary2:#8b5cf6;
      --accent:#ff4d6d;
      --accent2:#ff9f1c;
      --shadow:0 20px 50px rgba(25, 43, 88, .10);
      --shadow2:0 10px 30px rgba(15, 98, 254, .12);
      --radius:22px;
      --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",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(139,92,246,.12), transparent 30%),
        radial-gradient(circle at 85% 8%, rgba(15,98,254,.10), transparent 26%),
        linear-gradient(180deg, #fbfcff 0%, var(--bg) 38%, #f7f9fd 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    header{position:sticky;top:0;z-index:50;backdrop-filter:saturate(140%) blur(14px);background:rgba(245,247,251,.82);border-bottom:1px solid rgba(217,225,242,.75)}
    .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:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;box-shadow:0 8px 18px rgba(15,98,254,.12)}
    .brand h1{margin:0;font-size:18px;line-height:1.2}
    .brand p{margin:4px 0 0;color:var(--muted);font-size:12px}
    .navwrap{display:flex;align-items:center;gap:12px}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;color:var(--text);padding:10px 12px;border-radius:14px}
    nav{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
    nav a{font-size:14px;color:#30405f;padding:8px 10px;border-radius:10px}
    nav a:hover{background:#edf3ff;color:var(--primary)}
    .top-cta{display:flex;align-items:center;gap:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:14px;padding:12px 16px;font-weight:700;cursor:pointer;transition:.25s ease;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:var(--shadow2)}
    .btn-secondary{background:#fff;color:var(--text);border:1px solid var(--line)}
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
    main{overflow:hidden}
    section{padding:72px 0}
    .hero{padding:38px 0 58px;position:relative}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch}
    .hero-copy{background:linear-gradient(180deg, rgba(255,255,255,.84), rgba(255,255,255,.62));border:1px solid rgba(255,255,255,.9);border-radius:30px;padding:34px;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .hero-copy::before,.hero-copy::after{content:"";position:absolute;border-radius:999px;filter:blur(2px);pointer-events:none}
    .hero-copy::before{width:190px;height:190px;background:radial-gradient(circle, rgba(15,98,254,.18), transparent 68%);right:-30px;top:-30px}
    .hero-copy::after{width:140px;height:140px;background:radial-gradient(circle, rgba(255,77,109,.16), transparent 70%);left:-20px;bottom:-20px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#eef4ff;color:#2053d6;font-size:13px;font-weight:700}
    .hero h2{margin:18px 0 14px;font-size:clamp(32px, 6vw, 54px);line-height:1.06}
    .hero h2 span{color:var(--primary)}
    .hero p{margin:0;color:var(--muted);font-size:16px;line-height:1.85;max-width:62ch}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
    .hero-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .meta-card{background:rgba(255,255,255,.86);border:1px solid rgba(217,225,242,.9);border-radius:20px;padding:16px}
    .meta-card strong{display:block;font-size:18px}
    .meta-card span{color:var(--muted);font-size:13px}
    .hero-panel{display:grid;grid-template-rows:auto 1fr;gap:14px}
    .panel-box{background:linear-gradient(180deg, #0f1e44, #162a63);color:#fff;border-radius:30px;padding:22px;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .panel-box::before{content:"";position:absolute;inset:auto -20% -28% auto;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle, rgba(255,255,255,.16), transparent 60%)}
    .panel-box h3{margin:0 0 10px;font-size:20px}
    .panel-box p{margin:0;color:rgba(255,255,255,.84);line-height:1.7}
    .panel-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}
    .panel-item{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:14px}
    .panel-item b{display:block;font-size:18px}
    .panel-item small{color:rgba(255,255,255,.76)}
    .floating-steps{display:grid;gap:12px}
    .floating-steps .step{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:var(--shadow)}
    .step-num{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:12px;background:linear-gradient(135deg,#eaf2ff,#f3eefe);color:var(--primary);font-weight:800;margin-bottom:10px}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:24px}
    .section-head h3,.section-head h2{margin:0;font-size:clamp(24px,3vw,36px)}
    .section-head p{margin:0;color:var(--muted);max-width:68ch;line-height:1.8}
    .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{background:rgba(255,255,255,.92);border:1px solid rgba(217,225,242,.9);border-radius:22px;padding:22px;box-shadow:0 10px 30px rgba(43,64,120,.06);transition:.25s ease}
    .card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .icon-badge{width:46px;height:46px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,#ecf3ff,#f4edff);color:var(--primary);font-size:20px;margin-bottom:14px}
    .card h4{margin:0 0 10px;font-size:18px}
    .card p{margin:0;color:var(--muted);line-height:1.75}
    .pill-list{display:flex;gap:10px;flex-wrap:wrap}
    .pill{padding:9px 12px;border-radius:999px;border:1px solid #d9e1f2;background:#fff;color:#30405f;font-size:13px}
    .wide-panel{background:linear-gradient(180deg, rgba(255,255,255,.94), rgba(247,250,255,.88));border:1px solid #dbe4f4;border-radius:28px;padding:24px;box-shadow:var(--shadow)}
    .table-wrap{overflow:auto;border-radius:20px;border:1px solid #dbe4f4;background:#fff}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:16px 14px;border-bottom:1px solid #edf1f8;text-align:left;font-size:14px;vertical-align:top}
    th{background:#f7f9ff;color:#22304d;font-size:13px;letter-spacing:.02em}
    tr:nth-child(even) td{background:#fcfdff}
    .score{font-weight:800;color:var(--accent)}
    .timeline{display:grid;gap:14px}
    .timeline .item{display:grid;grid-template-columns:58px 1fr;gap:14px;align-items:start}
    .timeline .dot{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,#0f62fe,#8b5cf6);color:#fff;display:grid;place-items:center;font-weight:800;box-shadow:var(--shadow2)}
    .timeline .content{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .stat{padding:22px;border-radius:24px;background:linear-gradient(180deg,#ffffff,#f8fbff);border:1px solid #dbe4f4}
    .stat b{display:block;font-size:30px;line-height:1;color:var(--primary)}
    .stat span{color:var(--muted);font-size:13px}
    .reviews .card{display:flex;flex-direction:column;gap:14px}
    .avatar{width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,#0f62fe,#ff4d6d);color:#fff;display:grid;place-items:center;font-weight:800}
    .review-top{display:flex;align-items:center;gap:12px}
    .rating{color:#ff9f1c;font-weight:800}
    .article-list,.faq-list{display:grid;gap:12px}
    .article{padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:18px;display:flex;justify-content:space-between;gap:16px;align-items:center}
    .article small{color:var(--muted)}
    .faq-item{border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden}
    .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 20px;background:#fff;border:0;color:var(--text);font-size:16px;font-weight:700;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:1.8}
    .faq-item.open .faq-a{padding-bottom:18px}
    .faq-item.open .faq-q .plus{transform:rotate(45deg)}
    .plus{transition:.25s ease;color:var(--primary);font-size:22px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:flex;flex-direction:column;gap:8px}
    label{font-size:14px;color:#31405e;font-weight:700}
    input,select,textarea{
      width:100%;border:1px solid #d8e1f2;background:#fff;border-radius:14px;padding:13px 14px;
      font:inherit;color:var(--text);outline:none;transition:.2s ease
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#8fb3ff;box-shadow:0 0 0 4px rgba(15,98,254,.08)}
    .full{grid-column:1/-1}
    .footer-cta{display:grid;grid-template-columns:1.15fr .85fr;gap:16px}
    footer{padding:28px 0 40px;background:#101a33;color:#e8eeff;margin-top:20px}
    footer a{color:#d6e4ff}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .9fr;gap:18px;align-items:start}
    .footer-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:20px;padding:20px}
    .footer-card h4{margin:0 0 12px}
    .footer-card p,.footer-card li{color:#c7d2f3;line-height:1.8}
    .footer-links{display:flex;gap:10px;flex-wrap:wrap}
    .footer-links a{padding:8px 10px;border-radius:10px;background:rgba(255,255,255,.08)}
    .sticky-tools{position:fixed;right:14px;bottom:16px;z-index:60;display:grid;gap:10px}
    .tool{width:48px;height:48px;border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);display:grid;place-items:center;color:var(--primary);font-size:18px}
    .tool:hover{transform:translateY(-2px)}
    .float-card{position:fixed;left:14px;bottom:16px;z-index:60;background:#fff;border:1px solid var(--line);border-radius:20px;padding:12px;box-shadow:var(--shadow);width:min(280px, calc(100vw - 28px))}
    .float-card .row{display:flex;align-items:center;gap:10px}
    .float-card img{width:72px;height:72px;object-fit:cover;border-radius:14px;border:1px solid #e8edf7}
    .float-card strong{display:block}
    .float-card small{color:var(--muted)}
    .service-badges{display:flex;gap:10px;flex-wrap:wrap}
    .service-badges span{padding:8px 11px;border-radius:999px;background:#eef4ff;color:#234bca;font-size:13px}
    .gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:22px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:10px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#33415e;font-size:13px}
    .mini-note{font-size:13px;color:var(--muted);line-height:1.7}
    .mobile-hide{display:block}
    .home-link{font-weight:700;color:#0f62fe}
    .center{display:flex;align-items:center;justify-content:center}
    @media (max-width: 1024px){
      .hero-grid,.footer-cta,.footer-grid,.grid-4,.grid-3,.stats,.gallery,.grid-2{grid-template-columns:1fr 1fr}
      .hero-copy{padding:28px}
    }
    @media (max-width: 768px){
      .menu-btn{display:inline-flex}
      nav{display:none;position:absolute;left:0;right:0;top:100%;background:rgba(255,255,255,.98);border-bottom:1px solid var(--line);padding:12px 16px;flex-direction:column;align-items:flex-start}
      nav.open{display:flex}
      .navwrap{position:relative}
      .top-cta{display:none}
      .hero-grid,.hero-meta,.grid-4,.grid-3,.grid-2,.stats,.gallery,.footer-cta,.footer-grid,.form-grid{grid-template-columns:1fr}
      section{padding:56px 0}
      .hero{padding-top:24px}
      .hero-copy{padding:24px;border-radius:24px}
      .section-head{flex-direction:column;align-items:flex-start}
      .article{flex-direction:column;align-items:flex-start}
      .float-card{width:calc(100vw - 28px)}
    }
    .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease}
    .reveal.show{opacity:1;transform:none}