:root{
      --bg:#f4f7fb;
      --panel:#ffffff;
      --panel2:#eef4ff;
      --line:#d9e3f3;
      --text:#142033;
      --muted:#5b6b84;
      --blue:#1d5eff;
      --blue2:#2f7cff;
      --cyan:#2cc6ff;
      --gold:#f4b63a;
      --shadow:0 18px 45px rgba(23,54,113,.10);
      --radius:20px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Segoe UI,Arial,sans-serif;background:linear-gradient(180deg,#eff5ff 0%,#f7f9fc 16%,#f6f8fc 100%);color:var(--text)}
    a{color:var(--blue);text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container),calc(100% - 32px));margin:0 auto}
    .topbar{position:sticky;top:0;z-index:50;background:rgba(247,250,255,.86);backdrop-filter:blur(14px);border-bottom:1px solid rgba(217,227,243,.8)}
    .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;border-radius:12px;object-fit:contain;background:#fff;border:1px solid var(--line);padding:5px}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
    .nav-links{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:flex-end}
    .nav-links a{font-size:14px;color:var(--text);padding:8px 10px;border-radius:999px}
    .nav-links a:hover,.nav-links a:focus{background:rgba(29,94,255,.08);color:var(--blue)}
    .nav-actions{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:.25s ease;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--blue) 0%,var(--cyan) 100%);color:#fff;box-shadow:0 12px 28px rgba(29,94,255,.22)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(29,94,255,.28)}
    .btn-ghost{background:#fff;color:var(--blue);border:1px solid var(--line)}
    .btn-ghost:hover{border-color:rgba(29,94,255,.25);transform:translateY(-1px)}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 12px}
    .hero{padding:34px 0 22px}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px;align-items:stretch}
    .hero-main{position:relative;overflow:hidden;background:linear-gradient(135deg,#fff 0%,#eef5ff 100%);border:1px solid rgba(29,94,255,.12);border-radius:28px;box-shadow:var(--shadow);padding:34px}
    .hero-main:before,.hero-main:after{content:"";position:absolute;border-radius:999px;pointer-events:none}
    .hero-main:before{width:240px;height:240px;background:radial-gradient(circle,rgba(44,198,255,.22),rgba(44,198,255,0) 70%);right:-70px;top:-70px}
    .hero-main:after{width:180px;height:180px;background:radial-gradient(circle,rgba(29,94,255,.16),rgba(29,94,255,0) 70%);left:-50px;bottom:-60px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--blue);font-weight:700;background:rgba(29,94,255,.09);padding:8px 12px;border-radius:999px}
    h1{font-size:clamp(30px,5vw,52px);line-height:1.06;margin:14px 0 14px}
    .hero p{margin:0;color:var(--muted);font-size:16px;line-height:1.8;max-width:58ch}
    .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px}
    .mini-card{background:rgba(255,255,255,.75);border:1px solid rgba(217,227,243,.95);border-radius:18px;padding:16px}
    .mini-card b{display:block;font-size:18px;margin-bottom:6px}
    .mini-card span{color:var(--muted);font-size:13px;line-height:1.6}
    .hero-side{display:grid;gap:14px}
    .panel{background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}
    .score-card{padding:22px}
    .score-top{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}
    .score{font-size:42px;font-weight:900;color:var(--blue)}
    .stars{color:var(--gold);letter-spacing:2px;font-size:18px}
    .score-card p{margin:10px 0 0;color:var(--muted);line-height:1.75}
    .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
    .tag{padding:8px 12px;border-radius:999px;background:#f4f7ff;border:1px solid #dbe6ff;color:#29405f;font-size:13px}
    section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:14px}
    .section-head h2{margin:0;font-size:28px}
    .section-head p{margin:0;color:var(--muted);max-width:70ch;line-height:1.7}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .card{background:var(--panel);border:1px solid var(--line);border-radius:22px;box-shadow:0 10px 28px rgba(19,39,79,.06);padding:20px;transition:.25s ease}
    .card:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(19,39,79,.10)}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p,.card li{color:var(--muted);line-height:1.75}
    .stat{padding:22px 18px;background:linear-gradient(180deg,#fff 0%,#f7fbff 100%)}
    .stat b{display:block;font-size:28px;color:var(--blue);margin-bottom:8px}
    .stat small{color:var(--muted)}
    .feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .feature{padding:16px;border-radius:18px;background:#fbfdff;border:1px solid #e3ecfa}
    .feature strong{display:block;margin-bottom:6px}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{position:relative;padding:20px 18px 18px}
    .step .no{display:inline-flex;width:34px;height:34px;border-radius:50%;align-items:center;justify-content:center;background:rgba(29,94,255,.1);color:var(--blue);font-weight:800;margin-bottom:12px}
    .table-wrap{overflow-x:auto;border-radius:22px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:16px 14px;text-align:left;border-bottom:1px solid #e9eef8;vertical-align:top}
    th{background:#f4f8ff;color:#244064;font-size:14px}
    td{color:var(--text);font-size:14px}
    .badge{display:inline-flex;padding:5px 10px;border-radius:999px;background:#ebf4ff;color:#1b57d1;font-size:12px;font-weight:700}
    .compare-highlight{background:linear-gradient(180deg,#f8fbff 0%,#eef5ff 100%)}
    .channel{display:grid;grid-template-columns:1.1fr .9fr;gap:14px}
    .channel .card ul{margin:0;padding-left:18px}
    .gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .gallery .card{overflow:hidden}
    .gallery .card img{width:100%;border-radius:16px;aspect-ratio:16/10;object-fit:cover;margin-bottom:12px}
    .comment-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .comment{position:relative}
    .comment .role{display:inline-block;margin-bottom:10px;color:var(--blue);font-weight:700}
    .article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .article-list a{display:block;color:var(--text)}
    .article-list time{color:var(--muted);font-size:13px}
    .tags-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tags-cloud a{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#28415f}
    .faq details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:0 18px;box-shadow:0 10px 24px rgba(19,39,79,.05)}
    .faq details+details{margin-top:12px}
    .faq summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:700;color:var(--text)}
    .faq summary::-webkit-details-marker{display:none}
    .faq .answer{padding:0 0 18px;color:var(--muted);line-height:1.8}
    .form-wrap{display:grid;grid-template-columns:1fr .8fr;gap:14px}
    form{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-size:14px;font-weight:700;color:var(--text)}
    input,select,textarea{width:100%;border:1px solid var(--line);border-radius:14px;padding:13px 14px;font:inherit;background:#fff;color:var(--text);outline:none}
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(29,94,255,.45);box-shadow:0 0 0 4px rgba(29,94,255,.08)}
    .contact-box{display:grid;gap:12px;align-content:start}
    .contact-item{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff 0%,#f7fbff 100%);border:1px solid var(--line)}
    .footer{margin-top:18px;padding:28px 0 34px;background:#eaf1fb;color:#20324d;border-top:1px solid #d5e0f2}
    .footer a{color:#1f56d7}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:14px;align-items:start}
    .footer small,.footer p{color:#4f6179;line-height:1.75}
    .footer .links{display:flex;flex-wrap:wrap;gap:10px}
    .footer .links a{background:#fff;border:1px solid #dbe5f4;padding:8px 11px;border-radius:999px}
    .floating{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .floating a,.floating button{width:52px;height:52px;border-radius:16px;border:none;display:inline-flex;align-items:center;justify-content:center;background:#fff;box-shadow:0 12px 28px rgba(17,40,81,.18);border:1px solid var(--line);color:var(--blue);cursor:pointer}
    .floating a:hover,.floating button:hover{transform:translateY(-2px)}
    .reveal{opacity:0;transform:translateY(14px);transition:.7s ease}
    .reveal.in{opacity:1;transform:none}
    .hero-side .panel img{width:100%;height:auto;border-radius:18px}
    .service-map{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .service-map .card{padding:16px}
    .service-map h3{font-size:16px}
    .table-note{margin-top:12px;color:var(--muted);font-size:13px;line-height:1.7}
    .mobile-only{display:none}
    @media (max-width: 1024px){
      .hero-grid,.form-wrap,.channel,.footer-grid{grid-template-columns:1fr}
      .grid-4,.grid-3,.timeline,.gallery,.comment-grid,.article-list,.service-map{grid-template-columns:repeat(2,1fr)}
      .hero-points{grid-template-columns:1fr}
    }
    @media (max-width: 760px){
      .nav{flex-wrap:wrap}
      .menu-btn{display:inline-flex}
      .nav-links{display:none;width:100%;padding:10px 0 0}
      .nav.open .nav-links{display:flex}
      .nav-actions{margin-left:auto}
      .grid-4,.grid-3,.grid-2,.timeline,.gallery,.comment-grid,.article-list,.service-map,.feature-list{grid-template-columns:1fr}
      .hero-main,.score-card,.card{padding:18px}
      h1{font-size:30px}
      .section-head{align-items:flex-start;flex-direction:column}
      form{grid-template-columns:1fr}
      .desktop-only{display:none}
      .mobile-only{display:block}
    }