:root{
      --bg:#faf7f2;
      --panel:#ffffff;
      --panel2:#fff8ef;
      --text:#1f2a37;
      --muted:#5b6472;
      --line:#e7ddd0;
      --brand:#0f6b5f;
      --brand2:#7a4df0;
      --accent:#ff8a3d;
      --accent2:#35b6ff;
      --shadow:0 14px 40px rgba(31,42,55,.08);
      --shadow2:0 10px 24px rgba(15,107,95,.12);
      --radius:22px;
      --container:1160px;
    }
    *{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:
      radial-gradient(circle at top left, rgba(53,182,255,.12), transparent 24%),
      radial-gradient(circle at top right, rgba(122,77,240,.10), transparent 22%),
      linear-gradient(180deg,#fffdf9 0%, #faf7f2 46%, #f7f3ed 100%);
      color:var(--text);line-height:1.65}
    a{color:inherit;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(250,247,242,.88);backdrop-filter:blur(16px);border-bottom:1px solid rgba(231,221,208,.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;border-radius:12px;background:#fff;border:1px solid var(--line);padding:5px;box-shadow:var(--shadow)}
    .brand strong{display:block;font-size:16px}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .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 12px;border-radius:999px;border:1px solid transparent;transition:.2s}
    .nav-links a:hover{background:#fff;border-color:var(--line);box-shadow:var(--shadow)}
    .home-link{background:linear-gradient(135deg,var(--brand),#158b78);color:#fff !important;box-shadow:var(--shadow2)}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;color:var(--text)}
    header.hero{padding:28px 0 18px}
    .hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.card,.panel{background:linear-gradient(180deg,rgba(255,255,255,.94),rgba(255,255,255,.9));border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius)}
    .hero-main{padding:34px;position:relative;overflow:hidden}
    .hero-main:before,.hero-main:after{content:"";position:absolute;border-radius:999px;filter:blur(0);pointer-events:none}
    .hero-main:before{width:240px;height:240px;background:radial-gradient(circle, rgba(53,182,255,.14), transparent 62%);right:-70px;top:-60px}
    .hero-main:after{width:180px;height:180px;background:radial-gradient(circle, rgba(255,138,61,.14), transparent 62%);left:-60px;bottom:-70px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand);background:#eefaf7;border:1px solid #d2f1ea;padding:7px 12px;border-radius:999px}
    h1{font-size:clamp(30px,4vw,54px);line-height:1.1;margin:14px 0 14px}
    .lead{font-size:16px;color:var(--muted);max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 18px;border-radius:14px;border:1px solid transparent;font-weight:700;transition:.2s;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#0f8c78);color:#fff;box-shadow:var(--shadow2)}
    .btn-secondary{background:#fff;border-color:var(--line);color:var(--text)}
    .btn:hover,.card:hover,.metric:hover,.service:hover,.review:hover,.article:hover{transform:translateY(-2px)}
    .hero-side{padding:22px;display:grid;gap:14px}
    .side-stat{padding:16px;border-radius:18px;background:linear-gradient(135deg,#f5fbff,#fff7ef);border:1px solid var(--line)}
    .side-stat strong{display:block;font-size:28px;color:var(--brand)}
    .side-stat span{color:var(--muted);font-size:13px}
    .quick-tags{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:8px 12px;border-radius:999px;background:#fff;border:1px dashed #d8d0c2;color:#41505b;font-size:13px}
    main{padding-bottom:18px}
    section{padding:18px 0}
    .section-title{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-title h2{margin:0;font-size:clamp(24px,3vw,34px)}
    .section-title p{margin:0;color:var(--muted);max-width:60ch}
    .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .metric{padding:20px;background:var(--panel);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);transition:.2s}
    .metric strong{font-size:26px;display:block;color:#18222d}
    .metric span{color:var(--muted);font-size:13px}
    .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,.panel,.service,.review,.article{padding:20px;transition:.2s}
    .service h3,.card h3,.panel h3,.review h3,.article h3{margin:10px 0 8px;font-size:18px}
    .service p,.card p,.panel p,.review p,.article p,.muted{color:var(--muted)}
    .icon{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#eefaf7,#eef3ff);color:var(--brand);font-weight:900}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{padding:18px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(180deg,#fff, #fffaf3);box-shadow:var(--shadow)}
    .step-num{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:800;margin-bottom:10px}
    .table-wrap{overflow:auto;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 16px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}
    th{background:#fcfaf7;color:#23303c;font-size:14px}
    .highlight{background:#f4fff9;font-weight:700}
    .faq{display:grid;gap:12px}
    details{background:var(--panel);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}
    summary{list-style:none;cursor:pointer;padding:18px 20px;font-weight:700;display:flex;justify-content:space-between;gap:12px}
    summary::-webkit-details-marker{display:none}
    details p{padding:0 20px 18px;margin:0;color:var(--muted)}
    .reviews,.articles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .quote{font-size:15px}
    .stars{color:#f59e0b;font-size:14px;letter-spacing:1px}
    .article .meta{font-size:13px;color:#6b7280;margin-top:10px}
    .form-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:16px}
    form{display:grid;gap:12px}
    .field{display:grid;gap:8px}
    label{font-size:14px;font-weight:700}
    input,select,textarea{width:100%;border:1px solid #d9d0c3;background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);outline:none;transition:.2s}
    input:focus,select:focus,textarea:focus{border-color:#89cfc1;box-shadow:0 0 0 4px rgba(15,107,95,.08)}
    textarea{min-height:130px;resize:vertical}
    .footer{padding:24px 0 30px;border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.4),rgba(255,250,243,.95))}
    .footer-grid{display:grid;grid-template-columns:1.15fr .85fr 1fr;gap:16px}
    .footer a{color:#0f6b5f}
    .floating{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .floating a,.floating button{width:48px;height:48px;border-radius:50%;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);display:grid;place-items:center;color:var(--text);cursor:pointer}
    .kefu{position:fixed;left:16px;bottom:16px;z-index:60;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:12px;max-width:150px}
    .kefu img{width:100%;border-radius:12px;margin-top:8px}
    .service-net,.keyword-cloud,.timeline{display:flex;flex-wrap:wrap;gap:10px}
    .pill{padding:10px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);font-size:13px}
    .timeline .pill{background:linear-gradient(135deg,#fff,#f7fbff)}
    .compare-note{padding:16px 18px;border-radius:18px;background:linear-gradient(135deg,#eefaf7,#fff7ef);border:1px solid var(--line)}
    .scroll-x{overflow:auto}
    .reveal{opacity:0;transform:translateY(16px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.reviews,.articles,.footer-grid,.form-grid,.metrics,.process{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 720px){
      .container{width:min(var(--container), calc(100% - 24px))}
      .menu-btn{display:inline-flex}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:64px;background:#fff;padding:12px;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .hero-grid,.grid-3,.grid-2,.reviews,.articles,.footer-grid,.form-grid,.metrics,.process{grid-template-columns:1fr}
      .hero-main{padding:24px}
      .lead{font-size:15px}
      .floating{right:12px;bottom:12px}
      .kefu{left:12px;bottom:74px;max-width:128px}
    }