:root{--bg:#F7FBF8;--paper:#fff;--ink:#0F2E27;--muted:#55736A;--green:#0F9F7F;--green-dark:#0B6B57;--mint:#E3F6EE;--line:#DCEBE4;--amber:#B8731E}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",-apple-system,sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:var(--green-dark);text-decoration:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
header{position:sticky;top:0;z-index:20;background:rgba(247,251,248,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--green-dark)}
.logo .dot{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#0F9F7F,#0B6B57);display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px}
nav a{margin-left:28px;font-size:15px;color:var(--muted)}
nav a:hover{color:var(--green-dark)}
.hero{padding:80px 0 60px}
.hero h1{font-size:52px;line-height:1.2;letter-spacing:-.02em}
.hero h1 em{font-style:normal;color:var(--green)}
.hero p{font-size:19px;color:var(--muted);margin-top:22px;max-width:720px}
.btns{margin-top:36px;display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-block;padding:14px 28px;border-radius:12px;font-weight:700;font-size:16px}
.btn.primary{background:var(--green);color:#fff;box-shadow:0 10px 24px rgba(15,159,127,.25)}
.btn.ghost{border:1px solid var(--line);background:#fff;color:var(--green-dark)}
section.block{padding:56px 0;border-top:1px solid var(--line)}
h2{font-size:32px;letter-spacing:-.01em}
h3{font-size:20px;margin-bottom:8px}
.lead{color:var(--muted);margin-top:10px;font-size:17px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:32px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:26px}
.card .tag{display:inline-block;font-size:12px;font-weight:800;color:var(--green-dark);background:var(--mint);padding:4px 10px;border-radius:999px;margin-bottom:12px}
.card p{color:var(--muted);font-size:15px}
.list{margin-top:26px;display:grid;gap:14px}
.item{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:18px 22px;display:flex;gap:16px}
.item .no{font-weight:800;color:var(--green);min-width:38px}
.item b{display:block;font-size:16px}
.item span{color:var(--muted);font-size:15px}
.note{margin-top:32px;padding:18px 22px;border-radius:14px;background:#FFF9EE;border:1px solid #F0D3A8;color:#6B4A22;font-size:15px}
footer{margin-top:60px;padding:36px 0;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
footer .row{display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center}
footer a{color:var(--muted)}
h1.page{font-size:40px;margin:56px 0 8px}
.page-lead{color:var(--muted);margin-bottom:32px}
.prose{background:#fff;border:1px solid var(--line);border-radius:18px;padding:36px 40px}
.prose h3{margin-top:28px}
.prose h3:first-child{margin-top:0}
.prose p,.prose li{color:#33544A;font-size:15.5px;margin-top:8px}
.prose ul{padding-left:22px}
@media (max-width:860px){.grid3{grid-template-columns:1fr}.hero h1{font-size:38px}nav a{margin-left:16px;font-size:14px}}