:root{
      --bg:#f6f3ee;
      --bg2:#fffdf8;
      --card:#ffffff;
      --text:#1f2937;
      --muted:#5b6472;
      --line:#e7e0d4;
      --accent:#0f766e;
      --accent2:#7c3aed;
      --accent3:#d97706;
      --shadow:0 18px 40px rgba(60,45,25,.08);
      --radius:22px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 10%, rgba(124,58,237,.09), transparent 25%),
        radial-gradient(circle at 90% 15%, rgba(15,118,110,.08), transparent 22%),
        linear-gradient(180deg, #fbfaf7 0%, var(--bg) 34%, #f9f6f1 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(246,243,238,.84);backdrop-filter:blur(16px);border-bottom:1px solid rgba(231,224,212,.8)}
    .topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;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:4px}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:3px}
    nav{display:flex;align-items:center;gap:16px}
    .nav-links{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
    .nav-links a{font-size:14px;color:#314155;padding:8px 10px;border-radius:10px}
    .nav-links a:hover,.nav-links a:focus-visible{background:#fff;color:var(--accent)}
    .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:999px;padding:12px 18px;font-weight:700;cursor:pointer;transition:.24s ease;box-shadow:none}
    .btn:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(15,118,110,.12)}
    .btn-primary{background:linear-gradient(135deg,var(--accent),#14b8a6);color:#fff}
    .btn-ghost{background:#fff;border-color:var(--line);color:#243041}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px}
    main{display:block}
    section{padding:68px 0}
    .hero{padding:42px 0 64px;position:relative;overflow:hidden}
    .hero::before,.hero::after{content:"";position:absolute;border-radius:999px;filter:blur(2px);pointer-events:none}
    .hero::before{width:260px;height:260px;background:radial-gradient(circle, rgba(15,118,110,.18), transparent 65%);right:-60px;top:10px;animation:float 8s ease-in-out infinite}
    .hero::after{width:210px;height:210px;background:radial-gradient(circle, rgba(124,58,237,.16), transparent 65%);left:-40px;bottom:20px;animation:float 10s ease-in-out infinite reverse}
    @keyframes float{50%{transform:translateY(16px)}}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:stretch}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);padding:8px 12px;border-radius:999px;color:#445164;font-size:13px;margin-bottom:18px}
    h1{font-size:clamp(32px,5vw,56px);line-height:1.06;margin:0 0 16px;letter-spacing:-.02em}
    .hero p{font-size:17px;line-height:1.8;color:var(--muted);margin:0 0 22px;max-width:56ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px}
    .hero-badges{display:flex;flex-wrap:wrap;gap:10px}
    .chip{padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.8);border:1px solid var(--line);font-size:13px;color:#415065}
    .hero-card{background:linear-gradient(180deg, rgba(255,255,255,.92), #fff);border:1px solid rgba(231,224,212,.9);border-radius:28px;padding:24px;box-shadow:var(--shadow)}
    .hero-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .stat{padding:18px;border-radius:20px;background:linear-gradient(180deg,#fff, #fcfbf7);border:1px solid var(--line)}
    .stat strong{display:block;font-size:28px;line-height:1.1;margin-bottom:6px}
    .stat span{font-size:13px;color:var(--muted)}
    .hero-note{margin-top:16px;padding:16px 18px;border-radius:18px;background:linear-gradient(135deg, rgba(15,118,110,.08), rgba(124,58,237,.08));border:1px solid rgba(15,118,110,.12);color:#334155}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:22px}
    .section-head h2{font-size:clamp(24px,3vw,36px);margin:0}
    .section-head p{margin:0;color:var(--muted);max-width:62ch;line-height:1.7}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .card{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:0 8px 20px rgba(40,30,18,.04);transition:transform .22s ease, box-shadow .22s ease}
    .card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p,.card li{color:var(--muted);line-height:1.75}
    .card ul{margin:0;padding-left:18px}
    .icon-badge{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg, rgba(15,118,110,.14), rgba(124,58,237,.14));color:var(--accent);font-weight:800;margin-bottom:14px}
    .timeline{display:grid;gap:14px}
    .step{display:grid;grid-template-columns:56px 1fr;gap:14px;align-items:start;padding:18px;border-radius:20px;background:#fff;border:1px solid var(--line)}
    .step-num{width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;display:grid;place-items:center;font-size:18px;font-weight:800}
    .compare-wrap{overflow:auto;border-radius:24px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:820px}
    th,td{padding:16px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#fbfaf7;font-size:14px}
    td{color:var(--muted);font-size:14px;line-height:1.7}
    .highlight{color:#0f172a;font-weight:700}
    .rating{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:12px}
    .stars{color:#f59e0b;font-size:20px;letter-spacing:2px}
    .badge-score{background:linear-gradient(135deg,#fff7ed,#ecfeff);border:1px solid #f7d8a8;padding:8px 12px;border-radius:999px;color:#7c2d12;font-weight:700}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#425164;font-size:13px}
    .split{display:grid;grid-template-columns:1fr .95fr;gap:16px;align-items:start}
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    label{display:block;font-size:14px;font-weight:700;color:#314155;margin-bottom:8px}
    input,select,textarea{
      width:100%;border:1px solid var(--line);background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);outline:none;transition:border-color .2s ease, box-shadow .2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(15,118,110,.5);box-shadow:0 0 0 4px rgba(15,118,110,.08)}
    textarea{min-height:124px;resize:vertical}
    .full{grid-column:1/-1}
    .faq details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px 18px;margin-bottom:12px}
    .faq summary{cursor:pointer;font-weight:700;color:#243041}
    .faq summary::-webkit-details-marker{display:none}
    .faq p{margin:12px 0 0;color:var(--muted);line-height:1.8}
    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .review{position:relative}
    .review .role{display:inline-block;margin-bottom:10px;padding:6px 10px;border-radius:999px;background:#f7f7fb;color:#5b4b85;font-size:12px;font-weight:700}
    .review .quote{font-size:15px;line-height:1.8;color:var(--muted)}
    .review .name{margin-top:14px;font-weight:800;color:#213042}
    .articles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .article-meta{font-size:13px;color:#64748b;margin-bottom:10px}
    .article-link{display:inline-flex;margin-top:10px;color:var(--accent);font-weight:700}
    .footer-cta{display:grid;grid-template-columns:1.1fr .9fr;gap:16px;align-items:start}
    footer{padding:28px 0 34px;border-top:1px solid var(--line);background:#f5f1ea;color:#2b3442}
    footer a{color:#163d65}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start}
    .mini-links{display:flex;flex-wrap:wrap;gap:10px}
    .mini-links a{padding:8px 10px;border-radius:10px;background:#fff;border:1px solid var(--line);font-size:13px}
    .contact-row{display:grid;gap:10px}
    .contact-row div{padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:#fff}
    .floating{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .floating a,.floating button{display:inline-flex;align-items:center;justify-content:center;min-width:48px;height:48px;border-radius:999px;border:1px solid var(--line);background:#fff;box-shadow:0 12px 24px rgba(15,23,42,.12);cursor:pointer}
    .floating .primary{background:linear-gradient(135deg,var(--accent),#14b8a6);color:#fff;border-color:transparent}
    .mobile-only{display:none}
    .reveal{opacity:0;transform:translateY(18px);transition:.55s ease}
    .reveal.in{opacity:1;transform:none}
    .media-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .media-pair img{border-radius:20px;border:1px solid var(--line);box-shadow:var(--shadow)}
    @media (max-width: 960px){
      .hero-grid,.grid-3,.grid-2,.split,.reviews,.articles,.footer-grid,.footer-cta{grid-template-columns:1fr}
      .section-head{align-items:start;flex-direction:column}
      .nav-links{display:none}
      .menu-toggle{display:inline-flex}
      .mobile-only{display:block}
      nav.open .nav-links{
        display:grid;position:absolute;left:16px;right:16px;top:72px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:var(--shadow)
      }
      .topbar{position:relative}
      .form-grid{grid-template-columns:1fr}
      .hero{padding-top:28px}
    }
    @media (max-width: 640px){
      section{padding:52px 0}
      .hero-actions,.hero-badges,.mini-links{gap:8px}
      .btn{width:100%}
      .hero-actions .btn{width:auto;flex:1 1 100%}
      .hero-stats{grid-template-columns:1fr}
      .brand strong{font-size:16px}
      .brand span{display:none}
    }