:root{--bg:#f3f7f5;--card:#fff;--ink:#17332d;--muted:#526b65;--teal:#0f6677;--red:#e83b31;--line:#d6e4df;--gold:#c79b4b}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.78}a{color:var(--teal);text-underline-offset:3px}.top{background:#0d1c18;color:#fff}.top-inner,.wrap{width:min(980px,calc(100% - 36px));margin:auto}.top-inner{padding:18px 0;display:flex;gap:18px;align-items:center;justify-content:space-between;flex-wrap:wrap}.brand{font-weight:900;color:#fff;text-decoration:none}.top nav{display:flex;gap:14px;flex-wrap:wrap}.top nav a{color:#e9f4ef;text-decoration:none}.hero{padding:54px 0;background:linear-gradient(135deg,#0f6677,#173f3a);color:#fff}.hero h1{margin:6px 0 10px;font-size:clamp(32px,5vw,50px)}.hero p{margin:0;max-width:780px;color:#e9f5f2}.eyebrow{font-weight:900;color:#ffdd8a;letter-spacing:.08em}.wrap{padding:34px 0 60px}.meta,.notice{padding:18px 20px;border:1px solid var(--line);background:#fff}.notice{border-left:6px solid var(--gold);margin-bottom:18px}.card{margin-top:18px;padding:24px;border:1px solid var(--line);border-top:4px solid var(--teal);background:var(--card);box-shadow:0 10px 28px rgba(15,70,60,.06)}.card h2{margin:0 0 10px;color:var(--teal);font-size:25px}.card h3{margin:18px 0 6px;font-size:19px}.card p,.card li{color:var(--muted)}.card ul{padding-left:1.35em}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.pill{display:inline-block;padding:4px 10px;border-radius:999px;background:#e9f5f2;color:#0f6677;font-weight:800}.footer{padding:26px 0;background:#0d1c18;color:#cfe0da;text-align:center}.footer a{color:#fff}@media(max-width:720px){.grid{grid-template-columns:1fr}.hero{padding:40px 0}.card{padding:20px}}