:root{--ink:#10251b;--green:#147649;--dark:#0b3022;--soft:#f3f8f5;--line:#d8e6dd;--muted:#597064}
*{box-sizing:border-box}body{margin:0;font-family:Arial,"Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:var(--ink);line-height:1.75;background:#fff}
a{color:#0e6841;text-decoration:none}a:hover{text-decoration:underline}.top{background:var(--dark);color:white;padding:12px 3vw;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;position:sticky;top:0;z-index:10}.top a{color:white;margin-left:16px}
.hero{padding:64px 4vw 48px;background:linear-gradient(120deg,#f7fbf8,#e8f6ee)}.eyebrow{font-weight:700;letter-spacing:.11em;color:var(--green)}h1{font-size:clamp(38px,5vw,68px);line-height:1.1;margin:12px 0}.en{font-size:clamp(20px,2.2vw,32px);color:#426557}.lead{font-size:20px;max-width:1180px}
main{max-width:1500px;margin:auto;padding:34px 3vw 80px}.section{margin:36px 0 54px}.section h2{font-size:32px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.card{border:1px solid var(--line);border-radius:17px;padding:20px;background:white}.card h3{margin-top:0}.stat{font-size:36px;font-weight:800;color:var(--green)}.btns{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.btn{border:1px solid #abd0b9;padding:11px 16px;border-radius:12px;font-weight:700;background:#fff}.btn.primary{background:var(--green);color:#fff}
table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:9px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left}th{background:#eef7f2}.tag{display:inline-block;background:#e7f4ec;border-radius:999px;padding:3px 8px;margin:2px;font-size:12px}.note{border-left:4px solid var(--green);background:#f4f9f6;padding:16px;border-radius:8px}.src{color:var(--muted);font-size:14px}.toc{columns:2;column-gap:42px}.toc li{break-inside:avoid;margin:7px 0}
footer{background:var(--dark);color:#dfeae5;padding:26px 4vw}@media(max-width:760px){.toc{columns:1}table{font-size:12px}}