:root{
      --bg:#f4f7fb;
      --panel:#ffffff;
      --panel-2:#eef4ff;
      --line:#d9e3f3;
      --text:#16304f;
      --muted:#5f738f;
      --blue:#0d3b8e;
      --blue-2:#2a67d6;
      --cyan:#31a6ff;
      --gold:#f3b23e;
      --shadow:0 14px 35px rgba(13,59,142,.10);
      --radius:20px;
      --max:1180px;
    }
    *{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,#eff5ff 0%,#f7f9fc 40%,#f4f7fb 100%);color:var(--text)}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max),calc(100% - 32px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:40;background:rgba(244,247,251,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(217,227,243,.8)}
    .nav-bar{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;padding:4px;box-shadow:0 8px 20px rgba(13,59,142,.08)}
    .brand strong{display:block;font-size:1.05rem;line-height:1.1}
    .brand span{display:block;font-size:.82rem;color:var(--muted);margin-top:3px}
    .nav-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--blue);border-radius:12px;padding:10px 12px;font-weight:700}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:.95rem;color:#294766;padding:8px 0;position:relative}
    .nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:linear-gradient(90deg,var(--blue),var(--cyan));transition:.25s ease}
    .nav-links a:hover::after{width:100%}
    .hero{padding:42px 0 24px}
    .hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:22px;align-items:stretch}
    .hero-copy,.hero-aside,.card,.section-card,.table-wrap,.faq-item,.quote-card,.form-card{background:var(--panel);border:1px solid rgba(217,227,243,.9);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-copy{padding:34px;position:relative;overflow:hidden}
    .hero-copy::before,.hero-copy::after{content:"";position:absolute;border-radius:50%;pointer-events:none}
    .hero-copy::before{width:180px;height:180px;background:radial-gradient(circle,rgba(49,166,255,.18),transparent 66%);top:-40px;right:-30px}
    .hero-copy::after{width:120px;height:120px;background:radial-gradient(circle,rgba(243,178,62,.18),transparent 70%);bottom:-30px;left:-20px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(90deg,rgba(13,59,142,.08),rgba(49,166,255,.08));color:var(--blue);border:1px solid rgba(13,59,142,.12);padding:8px 12px;border-radius:999px;font-weight:700;font-size:.9rem}
    h1{margin:16px 0 14px;font-size:clamp(2rem,4vw,3.6rem);line-height:1.08;letter-spacing:-.02em}
    .lead{font-size:1.04rem;line-height:1.8;color:var(--muted);max-width:58ch}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;padding:13px 18px;border:1px solid transparent;font-weight:700;transition:.25s ease;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--blue),var(--blue-2));color:#fff;box-shadow:0 12px 28px rgba(13,59,142,.24)}
    .btn-primary:hover,.btn-outline:hover,.btn-soft:hover,.submit-btn:hover{transform:translateY(-2px)}
    .btn-outline{background:#fff;border-color:rgba(13,59,142,.16);color:var(--blue)}
    .btn-soft{background:linear-gradient(135deg,rgba(49,166,255,.12),rgba(13,59,142,.08));border-color:rgba(49,166,255,.18);color:var(--blue)}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:24px}
    .mini-stat{background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid var(--line);border-radius:16px;padding:16px 14px}
    .mini-stat strong{display:block;font-size:1.2rem;color:var(--blue)}
    .mini-stat span{display:block;font-size:.9rem;color:var(--muted);margin-top:4px}
    .hero-aside{padding:22px;display:grid;gap:14px}
    .hero-aside .panel-note{background:linear-gradient(135deg,#eff6ff,#f7fbff);border:1px solid rgba(13,59,142,.08);border-radius:18px;padding:16px}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .card{padding:22px}
    .stat-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
    .stat-num{font-size:1.75rem;font-weight:800;color:var(--blue)}
    .muted{color:var(--muted)}
    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:1.6rem}
    .section-head p{margin:0;color:var(--muted);max-width:64ch}
    .service-grid,.case-grid,.review-grid,.article-grid,.help-grid,.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .service-card h3,.section-card h3,.quote-card h3,.article-card h3{margin:0 0 10px;font-size:1.08rem}
    .service-card p,.section-card p,.article-card p,.quote-card p{margin:0;color:var(--muted);line-height:1.75}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#35557d;font-size:.92rem}
    .timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
    .step{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff,#f7fbff);border:1px solid var(--line)}
    .step b{display:inline-flex;width:30px;height:30px;border-radius:50%;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;margin-bottom:10px}
    .compare{width:100%;border-collapse:separate;border-spacing:0}
    .compare th,.compare td{padding:14px 12px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left}
    .compare th{background:#f3f7ff;color:var(--blue)}
    .check{color:#0b7a43;font-weight:700}
    .table-wrap{overflow:auto}
    .table-wrap table{min-width:780px;width:100%}
    .reviews .quote-card{padding:20px}
    .quote-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
    .stars{color:#f39b10;letter-spacing:2px}
    .faq-item{overflow:hidden}
    .faq-q{width:100%;border:0;background:transparent;padding:18px 20px;font-size:1rem;font-weight:700;color:var(--text);display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;text-align:left}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 20px;color:var(--muted);line-height:1.8}
    .faq-item.open .faq-a{padding-bottom:18px;max-height:180px}
    .faq-item.open .faq-q .plus{transform:rotate(45deg)}
    .plus{transition:.25s ease;color:var(--blue);font-size:1.2rem}
    .form-card{padding:24px}
    form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-weight:700;color:#2c4668;font-size:.95rem}
    input,select,textarea{width:100%;border:1px solid #cfd9ea;background:#fbfdff;color:var(--text);border-radius:14px;padding:13px 14px;font:inherit;outline:none;transition:.2s ease}
    input:focus,select:focus,textarea:focus{border-color:rgba(13,59,142,.45);box-shadow:0 0 0 4px rgba(13,59,142,.08)}
    textarea{min-height:120px;resize:vertical}
    .submit-row{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:6px}
    .submit-btn{border:0;background:linear-gradient(135deg,var(--blue),#113f9b);color:#fff;padding:14px 22px;border-radius:14px;font-weight:800;cursor:pointer;box-shadow:0 12px 24px rgba(13,59,142,.22)}
    .contact-strip{display:grid;grid-template-columns:1fr 320px;gap:16px;align-items:start}
    .contact-card,.sidebar-card{padding:22px;background:linear-gradient(180deg,#fff,#f7fbff);border:1px solid var(--line);border-radius:20px}
    .qrcode{width:180px;height:auto;border-radius:16px;border:1px solid var(--line);background:#fff;padding:8px}
    .footer{margin-top:18px;padding:24px 0 30px;border-top:1px solid rgba(217,227,243,.9);background:#eff4fb;color:#27415f}
    .footer a{color:#0d3b8e}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr 1fr;gap:18px}
    .footer small{display:block;color:#58708f;line-height:1.8}
    .floating{position:fixed;right:14px;bottom:14px;z-index:50;display:grid;gap:10px}
    .float-btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--blue),#1c70e6);color:#fff;border-radius:999px;padding:13px 16px;box-shadow:0 12px 28px rgba(13,59,142,.22);font-weight:800}
    .backtop{background:#fff;color:var(--blue);border:1px solid var(--line)}
    .reveal{opacity:0;transform:translateY(16px);transition:.55s ease}
    .reveal.show{opacity:1;transform:none}
    .accent{color:var(--blue)}
    .article-card{padding:20px}
    .article-card .meta{font-size:.88rem;color:var(--muted);margin-top:8px}
    .service-card,.article-card,.help-grid .card{transition:.25s ease}
    .service-card:hover,.article-card:hover,.quote-card:hover,.step:hover,.card:hover,.help-grid .card:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(13,59,142,.12)}
    .banner-stack{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .banner-stack img{width:100%;border-radius:18px;border:1px solid var(--line)}
    .section-card{padding:22px}
    .prices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .price{padding:22px;border-radius:18px;background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid var(--line)}
    .price strong{display:block;font-size:1.6rem;color:var(--blue);margin-bottom:8px}
    .service-map{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
    .region{padding:16px;border:1px dashed #cfe0f7;border-radius:16px;background:#fff}
    @media (max-width: 980px){
      .hero-grid,.grid-4,.service-grid,.case-grid,.review-grid,.article-grid,.help-grid,.channel-grid,.footer-grid,.contact-strip,.prices,.timeline,.service-map{grid-template-columns:1fr 1fr}
      .hero-copy{padding:26px}
      .contact-strip{grid-template-columns:1fr}
    }
    @media (max-width: 720px){
      .nav-toggle{display:inline-flex}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:68px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}
      .nav-links.open{display:flex}
      .hero-grid,.grid-4,.service-grid,.case-grid,.review-grid,.article-grid,.help-grid,.channel-grid,.footer-grid,.contact-strip,.prices,.timeline,.service-map,.hero-points,form,.banner-stack{grid-template-columns:1fr}
      .hero{padding-top:24px}
      .hero-copy,.hero-aside,.card,.section-card,.form-card,.contact-card,.sidebar-card{padding:18px}
      .section-head{flex-direction:column;align-items:flex-start}
      .table-wrap table{min-width:900px}
      .floating{right:10px;bottom:10px}
    }