*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;color:#1f2a37;line-height:1.7;background:#fff;font-size:16px}
img{max-width:100%;height:auto;display:block}
a{color:#0b6e8a}
.wrap{max-width:1040px;margin:0 auto;padding:0 18px}
header.site{background:#fff;border-bottom:1px solid #e5eaef;position:sticky;top:0;z-index:10}
header.site .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:6px 16px;padding-top:10px;padding-bottom:10px}
.brand{font-weight:700;color:#0b4f66;text-decoration:none;font-size:1.05rem;line-height:1.3}
.brand small{display:block;font-weight:400;color:#667;font-size:.72rem}
nav{display:flex;flex-wrap:wrap;gap:4px 16px}
nav a{text-decoration:none;color:#334;font-size:.92rem;padding:4px 0;border-bottom:2px solid transparent}
nav a.on,nav a:hover{border-color:#0b6e8a;color:#0b6e8a}
.hero{background:linear-gradient(135deg,#e8f5f8,#f4fbf6);padding:44px 0}
.hero .wrap{display:grid;gap:26px;align-items:center}
.hero h1{font-size:1.7rem;line-height:1.3;color:#0b4f66}
.hero h2{font-size:1.1rem;font-weight:500;color:#456;margin:6px 0 14px}
.hero p{margin-bottom:8px}
.hero img{border-radius:10px;box-shadow:0 4px 18px rgba(0,0,0,.12)}
.btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.btn{display:inline-block;padding:10px 20px;border-radius:6px;background:#0b6e8a;color:#fff;text-decoration:none;font-weight:600}
.btn.alt{background:#fff;color:#0b6e8a;border:1px solid #0b6e8a}
section.block{padding:38px 0;border-bottom:1px solid #eef1f4}
h2.t{font-size:1.4rem;color:#0b4f66;margin-bottom:4px}
h2.t span{display:block;font-size:.95rem;font-weight:400;color:#667}
.cols{display:grid;gap:22px;margin-top:16px}
.col h3{font-size:1rem;color:#0b6e8a;margin-bottom:6px}
.col p{margin-bottom:8px}
.cards{display:grid;gap:20px;margin-top:20px}
.card{border:1px solid #e1e7ec;border-radius:10px;overflow:hidden;background:#fff;display:flex;flex-direction:column}
.card img{width:100%;background:#f3f6f8}
.card .b{padding:16px}
.card h3{font-size:1.08rem;color:#0b4f66}
.card h4{font-size:.95rem;font-weight:500;color:#556;margin-bottom:8px}
.card ul{margin:6px 0 8px 1.1em;font-size:.95rem}
.price{background:#fff7e6;border-left:3px solid #e0a100;padding:6px 10px;font-size:.92rem;margin-top:8px}
.note{font-size:.85rem;color:#667;margin-top:18px}
.contact-list{list-style:none;margin-top:14px}
.contact-list li{padding:10px 0;border-bottom:1px solid #eef1f4}
.contact-list b{display:block;font-size:.85rem;color:#667;font-weight:500}
footer{background:#10303c;color:#cfe3ea;padding:26px 0;font-size:.88rem}
footer a{color:#fff}
footer p{margin-bottom:4px}
@media(min-width:760px){
.hero .wrap{grid-template-columns:1.2fr 1fr}
.hero h1{font-size:2.1rem}
.cols{grid-template-columns:1fr 1fr}
.cards{grid-template-columns:1fr 1fr}
}
nav a.lang{font-size:.75rem;color:#667;border:1px solid #cdd6dd;border-radius:10px;padding:0 8px;margin-left:4px}
nav a.lang:hover{color:#0b6e8a;border-color:#0b6e8a}
details.zh{margin-top:10px;font-size:.88rem;color:#556}
details.zh summary{cursor:pointer;color:#0b6e8a}
details.zh p{margin-top:6px}
footer .zh-small{font-size:.78rem;opacity:.8}