:root{font-family:Inter,"Noto Sans SC","Microsoft YaHei",ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#f5fbf8;background:#101412;--teal:#48d7b2;--line:#2c3833;--muted:#91a098}*{box-sizing:border-box}html{background:#101412}body{margin:0;min-width:320px;min-height:100vh;background:radial-gradient(circle at 50% -10%,#1d2b25 0,transparent 34%),#101412;color:#f5fbf8}.topbar{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px max(24px,calc((100vw - 960px)/2));border-bottom:1px solid #25302b;background:rgba(16,20,18,.9)}.brand{display:flex;align-items:center;gap:11px;color:#f5fbf8;text-decoration:none;font-size:21px;font-weight:800}.brand-mark{width:34px;height:34px;display:grid;place-items:center;color:#0d1814;background:var(--teal);border-radius:10px;font-size:19px;transform:rotate(-3deg);box-shadow:0 0 25px #48d7b233}.site-nav{display:flex;align-items:center;justify-content:flex-end;gap:10px 18px;flex-wrap:wrap}.site-nav a,.back{color:#bdc9c3;text-decoration:none;font-size:13px}.site-nav a:hover,.back:hover,a:hover{color:var(--teal)}main{max-width:820px;margin:0 auto;padding:64px 24px 36px}.eyebrow{margin:0 0 14px;color:var(--teal);font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase}h1{margin:0;font-size:clamp(34px,6vw,52px);letter-spacing:-.04em}main>p.updated{margin:12px 0 34px;color:var(--muted);font-size:13px}.summary{margin-bottom:30px;padding:20px 22px;border:1px solid #345347;border-radius:14px;background:rgba(27,46,39,.62);color:#d8e7e0}.callout{padding:18px 20px;border-left:3px solid var(--teal);border-radius:0 10px 10px 0;background:#19241f}section{margin:32px 0}h2{margin:0 0 10px;font-size:21px;letter-spacing:-.02em}h3{margin:22px 0 8px;font-size:17px}p,li{color:#b9c7c0;font-size:15px;line-height:1.85}ul,ol{padding-left:22px}.steps li{margin-bottom:10px}a{color:#81e6ca}code{color:#9fead5}strong{color:#eef7f3}.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:30px 0}.guide-card{display:block;padding:22px;border:1px solid var(--line);border-radius:14px;background:rgba(23,29,26,.78);text-decoration:none}.guide-card:hover{border-color:#3f6b5b}.guide-card h2{color:#f5fbf8}.guide-card p{margin-bottom:0}.article-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:36px}.article-links a{padding:9px 13px;border:1px solid #345347;border-radius:9px;text-decoration:none}footer{max-width:820px;margin:30px auto 0;padding:24px;display:flex;justify-content:space-between;gap:20px;border-top:1px solid #1e2723;color:#637069;font-size:11px}.footer-links{display:flex;gap:10px 18px;flex-wrap:wrap}.footer-links a{color:#91a098;text-decoration:none}@media(max-width:640px){.topbar{padding:12px 16px}.brand>span:last-child{display:none}.site-nav{gap:7px 12px}.site-nav a{font-size:12px}main{padding:44px 20px 24px}footer{display:block;text-align:center}.footer-links{justify-content:center;margin-top:10px;gap:8px 16px}.guide-grid{grid-template-columns:1fr}}