:root{
      --bg:#eef7f6;
      --bg2:#f8fbfb;
      --card:#ffffff;
      --text:#14303a;
      --muted:#5f7680;
      --line:#d7e7e6;
      --pri:#0ea5a8;
      --pri2:#2563eb;
      --pri3:#14b8a6;
      --shadow:0 12px 30px rgba(14, 165, 168, .10);
      --shadow2:0 18px 44px rgba(37, 99, 235, .10);
      --radius:20px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:Arial,Helvetica,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:
      radial-gradient(circle at top left, rgba(20,184,166,.10), transparent 30%),
      radial-gradient(circle at top right, rgba(37,99,235,.08), transparent 24%),
      linear-gradient(180deg, #f5fbfb 0%, var(--bg) 48%, #f7fbfb 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    header{position:sticky;top:0;z-index:50;background:rgba(245,251,251,.82);backdrop-filter:blur(12px);border-bottom:1px solid rgba(215,231,230,.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;object-fit:contain}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:4px}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#27404a;padding:8px 10px;border-radius:999px}
    .nav-links a:hover,.nav-links a.active{background:#e5f7f6;color:#0b5f64}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;color:var(--text)}
    .hero{padding:34px 0 18px}
    .hero-wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
    .hero-main{background:linear-gradient(135deg, rgba(255,255,255,.92), rgba(236,248,248,.88));border:1px solid rgba(215,231,230,.9);border-radius:28px;padding:34px;box-shadow:var(--shadow)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#e7fbf8;color:#0b7d80;font-size:13px;font-weight:700}
    h1{font-size:clamp(30px, 4vw, 54px);line-height:1.12;margin:18px 0 14px;letter-spacing:-.02em}
    .hero p{font-size:16px;line-height:1.85;color:var(--muted);margin:0 0 22px}
    .cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;padding:13px 18px;font-weight:700;border:1px solid transparent;transition:.25s ease;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--pri),var(--pri2));color:#fff;box-shadow:0 12px 26px rgba(14,165,168,.24)}
    .btn-secondary{background:#fff;color:#17424c;border-color:var(--line)}
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow2)}
    .hero-side{display:grid;gap:14px}
    .panel{background:rgba(255,255,255,.9);border:1px solid rgba(215,231,230,.9);border-radius:24px;padding:20px;box-shadow:var(--shadow)}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:18px 0 0}
    .stat{background:linear-gradient(180deg,#fff,#f5fbfb);border:1px solid var(--line);border-radius:18px;padding:18px;min-height:110px}
    .stat b{display:block;font-size:26px;margin-bottom:8px;color:#0d7680}
    .stat span{color:var(--muted);font-size:14px;line-height:1.5}
    section{padding:22px 0}
    .sec-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:14px}
    .sec-head h2{margin:0;font-size:28px}
    .sec-head p{margin:0;color:var(--muted);max-width:760px;line-height:1.75}
    .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:var(--card);border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 8px 20px rgba(8,40,50,.05);transition:.24s ease}
    .card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p,.card li{color:var(--muted);line-height:1.8}
    .pill-list{display:flex;flex-wrap:wrap;gap:10px}
    .pill{padding:8px 12px;border-radius:999px;background:#eef9f9;border:1px solid #d7eeee;color:#16555d;font-size:13px}
    .timeline{display:grid;gap:14px}
    .step{display:grid;grid-template-columns:72px 1fr;gap:14px;align-items:start;padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .step .no{width:72px;height:72px;border-radius:18px;background:linear-gradient(135deg,#e5fbf8,#edf4ff);display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:800;color:#0e6d78}
    table{width:100%;border-collapse:collapse}
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid var(--line);background:#fff}
    th,td{padding:14px 16px;border-bottom:1px solid #edf2f1;text-align:left;vertical-align:top;font-size:14px}
    th{background:#f3fbfb;color:#12333b;white-space:nowrap}
    .rating{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
    .stars{color:#f59e0b;font-size:18px;letter-spacing:2px}
    .faq details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px 16px}
    .faq details+details{margin-top:12px}
    .faq summary{cursor:pointer;font-weight:700;list-style:none}
    .faq summary::-webkit-details-marker{display:none}
    .faq p{margin:10px 0 0;color:var(--muted);line-height:1.8}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .quote{position:relative}
    .quote:before{content:"“";position:absolute;top:12px;right:16px;font-size:64px;color:#dff2f1;line-height:1}
    .article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article a{color:#13646c;font-weight:700}
    .form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .field{display:grid;gap:8px}
    label{font-size:14px;font-weight:700;color:#21444b}
    input,select,textarea{width:100%;border:1px solid #d6e6e5;border-radius:14px;padding:13px 14px;font:inherit;background:#fff;color:var(--text);outline:none}
    textarea{min-height:120px;resize:vertical;grid-column:1/-1}
    input:focus,select:focus,textarea:focus{border-color:#7ad7d2;box-shadow:0 0 0 4px rgba(14,165,168,.12)}
    .submit-row{grid-column:1/-1;display:flex;gap:12px;flex-wrap:wrap;align-items:center}
    footer{margin-top:10px;background:#0f2f38;color:#d9f0f0}
    footer a{color:#a5f0ec}
    .footer-wrap{padding:24px 0;display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:16px}
    .foot-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:20px;padding:18px}
    .foot-card h3{margin:0 0 10px;font-size:16px;color:#fff}
    .foot-links{display:grid;gap:10px}
    .floating{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .floating a,.floating button{display:flex;align-items:center;justify-content:center;min-width:52px;height:52px;border-radius:16px;border:1px solid rgba(215,231,230,.8);background:#fff;box-shadow:var(--shadow);cursor:pointer;color:#12424a}
    .backtop{display:none}
    .fade-in{opacity:0;transform:translateY(16px);transition:.65s ease}
    .fade-in.in{opacity:1;transform:none}
    .muted{color:var(--muted)}
    .section-soft{background:linear-gradient(180deg, rgba(255,255,255,.66), rgba(244,250,250,.88));border-top:1px solid rgba(215,231,230,.5);border-bottom:1px solid rgba(215,231,230,.5)}
    .image-row{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .image-row img,.wide-img img{border-radius:18px;border:1px solid var(--line);background:#fff}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .small-note{font-size:13px;color:var(--muted);line-height:1.7}
    .service-net{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .net-item{padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .net-item b{display:block;margin-bottom:6px}
    .home-link{font-weight:700}
    @media (max-width: 980px){
      .hero-wrap,.grid-3,.grid-2,.reviews,.article-list,.service-net,.footer-wrap,.stats{grid-template-columns:1fr 1fr}
      .hero-wrap{grid-template-columns:1fr}
      .form{grid-template-columns:1fr}
    }
    @media (max-width: 720px){
      .menu-btn{display:inline-flex}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:68px;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:var(--shadow)}
      .nav-links.show{display:flex}
      .nav-links a{padding:12px 14px}
      .stats,.grid-3,.grid-2,.reviews,.article-list,.service-net,.footer-wrap,.image-row{grid-template-columns:1fr}
      .hero-main{padding:24px}
      .sec-head{flex-direction:column;align-items:start}
      .floating{right:12px;bottom:12px}
      .backtop{display:flex}
    }