:root{
      --bg:#f5fbf6;
      --panel:#ffffff;
      --panel-2:#effaf2;
      --text:#163021;
      --muted:#587061;
      --line:#d8e8db;
      --brand:#16b85a;
      --brand-2:#0e8f45;
      --brand-3:#baf4cb;
      --shadow:0 18px 50px rgba(20, 70, 38, .08);
      --radius:20px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:linear-gradient(180deg,#f8fff9 0%,#f3faf5 100%);color:var(--text)}
    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(248,255,249,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(216,232,219,.8)}
    .nav{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}
    .brand strong{display:block;font-size:1rem;line-height:1.2}
    .brand span{display:block;font-size:.82rem;color:var(--muted)}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
    .nav-links a{font-size:.95rem;color:#355042;padding:8px 0;position:relative}
    .nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--brand);transition:.25s}
    .nav-links a:hover::after{width:100%}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:12px 18px;font-weight:700;border:1px solid transparent;transition:.25s ease;cursor:pointer;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#35d56f);color:#fff;box-shadow:0 10px 24px rgba(22,184,90,.22)}
    .btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(22,184,90,.28)}
    .btn-ghost{background:#fff;color:var(--text);border-color:var(--line)}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 12px}
    .hero{padding:34px 0 12px}
    .hero-shell{position:relative;overflow:hidden;background:radial-gradient(circle at 20% 20%, rgba(22,184,90,.12), transparent 28%),radial-gradient(circle at 80% 30%, rgba(58,215,129,.14), transparent 24%),linear-gradient(180deg,#ffffff 0%,#f3fbf5 100%);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:28px}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--panel-2);color:var(--brand-2);border:1px solid #d3f0da;padding:8px 12px;border-radius:999px;font-size:.88rem;font-weight:700}
    h1{margin:16px 0 14px;font-size:clamp(2rem,4vw,3.6rem);line-height:1.08;letter-spacing:-.03em}
    .lead{margin:0;color:var(--muted);font-size:1.05rem;line-height:1.8;max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px}
    .point{background:rgba(255,255,255,.85);border:1px solid var(--line);border-radius:18px;padding:14px}
    .point b{display:block;font-size:1.02rem}
    .point span{display:block;margin-top:4px;color:var(--muted);font-size:.9rem;line-height:1.5}
    .hero-visual{display:grid;gap:12px}
    .stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .stat{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:0 8px 24px rgba(17,62,31,.05)}
    .stat strong{display:block;font-size:1.7rem;color:var(--brand-2)}
    .stat span{display:block;margin-top:6px;color:var(--muted);line-height:1.5}
    .section{padding:26px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}
    .section-head h2{margin:0;font-size:1.65rem}
    .section-head p{margin:0;color:var(--muted);max-width:66ch;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(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:0 10px 28px rgba(18,58,31,.05);transition:transform .25s ease, box-shadow .25s ease}
    .card:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(18,58,31,.09)}
    .card h3{margin:0 0 10px;font-size:1.08rem}
    .card p,.card li{color:var(--muted);line-height:1.75}
    .icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#e7f9ed,#d6f4de);color:var(--brand-2);font-weight:800;margin-bottom:12px}
    .pill-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .pill{padding:10px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#385446;font-size:.92rem}
    .timeline{display:grid;gap:12px}
    .step{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px}
    .step .num{width:36px;height:36px;border-radius:12px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:800}
    .table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px;background:#fff}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#effaf2;color:#244032}
    .rating{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
    .stars{color:#0ea84f;font-size:1.15rem;letter-spacing:2px}
    details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 18px}
    details+details{margin-top:12px}
    summary{cursor:pointer;font-weight:700;color:#234033}
    summary::-webkit-details-marker{display:none}
    summary::after{content:"+";float:right;color:var(--brand-2)}
    details[open] summary::after{content:"–"}
    .reviews .card{display:flex;flex-direction:column;gap:12px}
    .avatar{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,#18b95b,#8bf0b0);display:grid;place-items:center;color:#fff;font-weight:800}
    .review-top{display:flex;align-items:center;gap:12px}
    .muted{color:var(--muted)}
    .gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
    .gallery img{border-radius:18px;border:1px solid var(--line);box-shadow:0 10px 24px rgba(18,58,31,.05)}
    .form{display:grid;gap:12px}
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    input,select,textarea{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--text);font:inherit;outline:none}
    textarea{min-height:130px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#8fe4a9;box-shadow:0 0 0 4px rgba(22,184,90,.12)}
    .footer{background:#12311f;color:#e8f6ec;margin-top:10px}
    .footer a{color:#b8ffd0}
    .footer .container{padding:26px 0}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
    .footer small,.footer p{color:#cae7d1;line-height:1.75}
    .floating{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .float-btn{width:52px;height:52px;border-radius:18px;background:var(--brand);color:#fff;display:grid;place-items:center;box-shadow:0 14px 28px rgba(22,184,90,.28)}
    .float-box{position:fixed;right:16px;bottom:82px;z-index:60;display:none;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:12px;width:220px}
    .float-box img{border-radius:12px;margin-top:8px}
    .fade-up{opacity:0;transform:translateY(18px);transition:.6s ease}
    .fade-up.show{opacity:1;transform:none}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.footer-grid,.gallery{grid-template-columns:1fr}
      .hero-points,.stat-grid,.form-grid{grid-template-columns:1fr 1fr}
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
    }
    @media (max-width: 640px){
      .container{width:min(var(--container),calc(100% - 20px))}
      .hero-shell{padding:18px}
      .hero-points,.stat-grid,.form-grid{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      .nav-actions .btn-ghost{display:none}
      .mobile-nav{display:none;padding:0 0 14px}
      .mobile-nav.open{display:grid;gap:8px}
      .mobile-nav a{padding:12px 14px;border-radius:14px;background:#fff;border:1px solid var(--line)}
    }