*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
 background:#fff;color:#1B1F1D;line-height:1.85;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:#0F5C4A;text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:820px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid #E3E6E4;background:#fff;position:sticky;top:0;z-index:9}
header .wrap{display:flex;align-items:center;gap:16px;height:60px;flex-wrap:wrap}
.logo{font-weight:700;font-size:19px;color:#0F5C4A;letter-spacing:.5px}
.logo span{color:#C8912A}
nav{display:flex;gap:14px;flex-wrap:wrap;font-size:14px;color:#5A615C}
nav a{color:#5A615C}
.bc{font-size:13px;color:#8A908C;padding:14px 0 0}
.bc a{color:#8A908C}
article{padding:8px 0 40px}
h1{font-size:27px;line-height:1.45;margin:14px 0 18px;letter-spacing:-.2px}
h2{font-size:20px;margin:34px 0 12px;padding-left:11px;border-left:4px solid #0F5C4A;line-height:1.5}
h3{font-size:17px;margin:22px 0 8px;color:#0F5C4A}
p{margin:0 0 14px}
ul,ol{margin:0 0 16px;padding-left:24px}
li{margin:4px 0}
table{width:100%;border-collapse:collapse;margin:10px 0 20px;font-size:14.5px;display:block;overflow-x:auto}
th,td{border:1px solid #E3E6E4;padding:9px 11px;text-align:left;vertical-align:top}
th{background:#F4F7F5;font-weight:600;white-space:nowrap}
blockquote{margin:16px 0;padding:12px 16px;background:#FAF9F5;border-left:3px solid #C8912A;
 color:#5A615C;font-size:14.5px}
hr{border:0;border-top:1px solid #E3E6E4;margin:26px 0}
.lead{background:#F4F7F5;border:1px solid #E3E6E4;border-radius:8px;padding:14px 16px;margin:0 0 22px}
.lead strong{color:#0F5C4A}
.meta{font-size:13px;color:#8A908C;border-bottom:1px solid #E3E6E4;padding-bottom:12px;margin-bottom:20px}
.tocbox{background:#FAFBF9;border:1px solid #E3E6E4;border-radius:8px;padding:14px 18px;margin:0 0 26px;font-size:14.5px}
.tocbox ul{margin:6px 0 0}
.rel{border-top:1px solid #E3E6E4;margin-top:34px;padding-top:18px}
.rel ul{list-style:none;padding:0}
.rel li{padding:5px 0;border-bottom:1px dashed #EEF1EF}
footer{background:#F4F7F5;border-top:1px solid #E3E6E4;padding:26px 0 34px;font-size:13.5px;color:#5A615C}
footer .wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}
footer b{color:#1B1F1D}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;margin:14px 0 26px}
.card{border:1px solid #E3E6E4;border-radius:8px;padding:13px 15px;background:#fff}
.card:hover{border-color:#0F5C4A}
.card b{display:block;font-size:15px;margin-bottom:5px}
.card span{font-size:13px;color:#8A908C}
.hero{background:linear-gradient(180deg,#F4F7F5,#fff);padding:34px 0 10px;border-bottom:1px solid #E3E6E4}
.hero h1{font-size:30px}
.facts{width:100%;font-size:14.5px}
@media(max-width:640px){h1{font-size:23px}.hero h1{font-size:25px}body{font-size:15.5px}}