:root{
      --bg:#f7f9fc;
      --bg2:#eef4ff;
      --card:#ffffff;
      --text:#1f2937;
      --muted:#5b6472;
      --line:#d9e1ef;
      --brand:#2563eb;
      --brand2:#06b6d4;
      --accent:#14b8a6;
      --gold:#f59e0b;
      --shadow:0 18px 50px rgba(37,99,235,.10);
      --shadow2:0 10px 24px rgba(15,23,42,.08);
      --radius:22px;
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:linear-gradient(180deg,#ffffff 0%,#f7f9fc 26%,#f4f8ff 100%);color:var(--text);line-height:1.6}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    .container{width:min(var(--max),calc(100% - 32px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);border-bottom:1px solid rgba(217,225,239,.9)}
    .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:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow2)}
    .brand h2{margin:0;font-size:18px;line-height:1.1}
    .brand p{margin:2px 0 0;color:var(--muted);font-size:12px}
    .nav-links{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:8px}
    .nav-links a{padding:9px 12px;border-radius:999px;color:#334155;font-size:14px;transition:.2s ease;background:transparent}
    .nav-links a:hover,.nav-links a:focus{background:#eaf2ff;color:#1746b0}
    .nav-cta{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:14px;padding:12px 18px;font-weight:700;cursor:pointer;transition:.22s ease;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#4f8cff);color:#fff;box-shadow:0 14px 30px rgba(37,99,235,.24)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(37,99,235,.30)}
    .btn-soft{background:#eef4ff;color:#1d4ed8;border-color:#dbe7ff}
    .btn-soft:hover{transform:translateY(-2px);background:#e2ecff}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px;color:#1f2937}
    .hero{padding:34px 0 22px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px;align-items:stretch}
    .hero-main{position:relative;overflow:hidden;background:linear-gradient(135deg,#ffffff 0%,#eef5ff 55%,#e8fbff 100%);border:1px solid #dbe6fb;border-radius:28px;padding:34px;box-shadow:var(--shadow)}
    .hero-main::before,.hero-main::after{content:"";position:absolute;border-radius:50%;pointer-events:none}
    .hero-main::before{width:260px;height:260px;right:-90px;top:-100px;background:radial-gradient(circle,rgba(37,99,235,.14),rgba(37,99,235,0) 68%)}
    .hero-main::after{width:180px;height:180px;left:-60px;bottom:-70px;background:radial-gradient(circle,rgba(20,184,166,.15),rgba(20,184,166,0) 68%)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#eaf2ff;color:#1746b0;font-weight:700;font-size:13px}
    h1{margin:16px 0 12px;font-size:clamp(30px,5vw,52px);line-height:1.08;letter-spacing:-.02em}
    .hero-main .lead{margin:0;color:#334155;font-size:17px;max-width:56ch}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:22px 0}
    .mini-stat{background:rgba(255,255,255,.88);border:1px solid #dce6f7;border-radius:18px;padding:14px}
    .mini-stat strong{display:block;font-size:24px;color:#0f172a}
    .mini-stat span{display:block;margin-top:6px;font-size:13px;color:var(--muted)}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
    .hero-side{display:grid;gap:14px}
    .side-card{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:20px;box-shadow:var(--shadow2)}
    .side-card h3{margin:0 0 10px;font-size:18px}
    .side-card ul{margin:0;padding-left:18px;color:var(--muted)}
    .side-card li+li{margin-top:8px}
    .section{padding:18px 0}
    .section-head{display:flex;justify-content:space-between;gap:18px;align-items:end;margin-bottom:16px}
    .section-head h2{margin:0;font-size:28px}
    .section-head p{margin:0;color:var(--muted);max-width:72ch}
    .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{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow2);transition:.2s ease}
    .card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .stat .tag{display:inline-flex;padding:6px 10px;border-radius:999px;background:#eef6ff;color:#1753c4;font-weight:700;font-size:12px}
    .stat strong{display:block;margin-top:12px;font-size:28px}
    .stat p{margin:8px 0 0;color:var(--muted)}
    .service-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .service{display:flex;gap:14px}
    .icon{width:44px;height:44px;border-radius:14px;flex:0 0 44px;background:linear-gradient(135deg,#dbeafe,#cffafe);display:grid;place-items:center;color:#0f4fd3;font-weight:900}
    .service h3,.step h3,.case h3,.review h3{margin:0 0 8px;font-size:18px}
    .service p,.case p,.review p,.faq-item p,.article p,.help p{margin:0;color:var(--muted)}
    .badge-row,.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .badge{padding:8px 12px;border-radius:999px;background:#f1f7ff;border:1px solid #dbe6fb;color:#35558b;font-size:13px}
    .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .step{position:relative}
    .step .num{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--brand),#4f8cff);color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:12px}
    .table-wrap{overflow-x:auto;border-radius:18px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow2)}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 16px;border-bottom:1px solid #e7edf7;text-align:left;vertical-align:top}
    th{background:#f6faff;color:#173170;font-size:14px}
    td{color:#334155}
    .rating{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
    .stars{color:#f59e0b;font-size:20px;letter-spacing:2px}
    .accordion{display:grid;gap:12px}
    .faq-item{border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden;box-shadow:var(--shadow2)}
    .faq-q{width:100%;text-align:left;border:0;background:transparent;padding:16px 18px;font:inherit;color:#172554;display:flex;justify-content:space-between;gap:14px;cursor:pointer}
    .faq-q span{font-weight:700}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;padding:0 18px}
    .faq-item.open .faq-a{max-height:180px;padding-bottom:16px}
    .faq-item.open .chev{transform:rotate(180deg)}
    .chev{transition:.2s ease;color:#64748b}
    .reviews,.cases,.articles,.help-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .review .meta{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:10px}
    .avatar{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,#e0f2fe,#e9d5ff);display:grid;place-items:center;font-weight:800;color:#1d4ed8}
    .source{color:#64748b;font-size:13px}
    .article .date{font-size:13px;color:#64748b;margin-bottom:8px}
    .form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-size:14px;font-weight:700;color:#1f2937}
    input,select,textarea{width:100%;border:1px solid #cfd9ea;border-radius:14px;background:#fff;padding:13px 14px;font:inherit;color:#1f2937;outline:none;transition:.2s ease}
    input:focus,select:focus,textarea:focus{border-color:#60a5fa;box-shadow:0 0 0 4px rgba(96,165,250,.16)}
    textarea{min-height:120px;resize:vertical}
    .footer{margin-top:18px;background:#0f172a;color:#dbe7ff;padding:24px 0 18px}
    .footer a{color:#ffffff}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .footer small,.footer p,.footer li{color:#b9c7e6}
    .footer ul{margin:0;padding-left:18px}
    .bottom{margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center}
    .floating{position:fixed;right:16px;bottom:18px;z-index:70;display:grid;gap:10px}
    .float-btn{width:54px;height:54px;border-radius:18px;display:grid;place-items:center;box-shadow:0 16px 30px rgba(15,23,42,.18)}
    .float-btn.back{background:#ffffff;color:#1d4ed8;border:1px solid var(--line)}
    .float-btn.consult{background:linear-gradient(135deg,var(--brand2),#3b82f6);color:#fff}
    .section-anchor{scroll-margin-top:90px}
    .img-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .img-row img{border-radius:18px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow2)}
    .timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .timeline .card{position:relative}
    .timeline .card::before{content:"";position:absolute;left:18px;top:18px;width:10px;height:10px;border-radius:50%;background:var(--brand)}
    .timeline .card{padding-top:34px}
    .mapline{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
    .mapline .card{padding:18px;text-align:center}
    .mapline strong{display:block;font-size:18px}
    .soft-panel{background:linear-gradient(180deg,#f9fbff,#eef6ff);border:1px solid #dbe6fb;border-radius:24px;padding:18px}
    .collapse-btn{display:none}
    .mobile-panel{display:none}
    @media (max-width: 1024px){
      .hero-grid,.grid-4,.grid-3,.grid-2,.reviews,.cases,.articles,.help-grid,.timeline,.mapline,.steps,.footer-grid,.hero-points,.img-row{grid-template-columns:repeat(2,minmax(0,1fr))}
      .service-list{grid-template-columns:1fr}
    }
    @media (max-width: 768px){
      .menu-toggle{display:inline-flex}
      .nav{position:relative}
      .nav-links,.nav-cta{display:none}
      .nav.open .nav-links,.nav.open .nav-cta{display:flex}
      .nav.open{flex-wrap:wrap}
      .nav.open .nav-links{width:100%;justify-content:flex-start;padding-top:8px}
      .nav.open .nav-cta{width:100%}
      .hero-grid,.grid-4,.grid-3,.grid-2,.reviews,.cases,.articles,.help-grid,.timeline,.mapline,.steps,.footer-grid,.hero-points,.img-row{grid-template-columns:1fr}
      .hero-main{padding:24px}
      .section-head{flex-direction:column;align-items:flex-start}
      .form{grid-template-columns:1fr}
      .mobile-panel{display:block}
      .desktop-only{display:none}
      .collapse-btn{display:inline-flex}
    }
    .reveal{opacity:0;transform:translateY(18px);transition:.55s ease}
    .reveal.visible{opacity:1;transform:none}
    .muted{color:var(--muted)}