*{box-sizing:border-box}body{margin:0;font-family:-apple-system,"Segoe UI","PingFang SC","Noto Sans CJK SC",sans-serif;color:#1f2937;line-height:1.6}
a{color:#0f766e}.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid #e5e7eb;background:#fff;position:sticky;top:0;z-index:5}
header .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;padding:12px 20px}
.logo{font-weight:700;font-size:20px;color:#0f766e;text-decoration:none}nav a{margin-left:14px;text-decoration:none;color:#374151;font-size:15px}
.hero{background:linear-gradient(135deg,#0f766e,#134e4a);color:#fff;padding:64px 0}.hero h1{font-size:34px;margin:0 0 8px}.hero p{font-size:18px;opacity:.95}
.btn{display:inline-block;background:#f59e0b;color:#111;padding:12px 22px;border-radius:8px;text-decoration:none;font-weight:700;border:0;cursor:pointer;font-size:16px}
section{padding:48px 0}h2{font-size:26px;margin-top:0}.en{color:#6b7280;font-size:.92em;display:block}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.card{border:1px solid #e5e7eb;border-radius:12px;padding:20px;background:#fff}.card.hot{border:2px solid #f59e0b}
.price{font-size:28px;font-weight:700;color:#0f766e}.alt{background:#f9fafb}
.banner{background:#fef3c7;color:#92400e;text-align:center;padding:10px;font-weight:700;border-bottom:2px solid #f59e0b}
form label{display:block;margin:10px 0 4px}input,textarea,select{width:100%;padding:10px;border:1px solid #d1d5db;border-radius:8px;font-size:16px}
footer{background:#111827;color:#9ca3af;padding:28px 0;font-size:14px}footer a{color:#d1d5db}
.thumb{height:140px;border-radius:8px;margin-bottom:10px}
@media(max-width:600px){.hero h1{font-size:26px}nav a{margin-left:8px;font-size:14px}}