:root{--bg: #1a1b1e;--surface: #25262b;--border: #373a40;--accent: #4dabf7;--accent2: #69db7c;--warn: #ffa94d;--danger: #ff6b6b;--text: #c1c2c5;--text-dim: #909296;--code-bg: #141517}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;padding:0 16px 60px}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.page-wrap{max-width:960px;margin:0 auto}@media(min-width:1440px){.page-wrap{max-width:min(1300px,calc(100vw - 64px))}}@media(min-width:1800px){.page-wrap{max-width:min(1600px,calc(100vw - 80px))}}.site-nav{position:sticky;top:0;z-index:50;background:var(--surface);border-bottom:1px solid var(--border);margin:0 -16px;padding:0 16px}.site-nav-inner{max-width:1680px;margin:0 auto;display:flex;align-items:center;height:44px;gap:4px}.site-nav-brand{color:#fff;font-weight:700;font-size:.92rem;text-decoration:none;padding:6px 14px 6px 0;margin-right:8px;white-space:nowrap;border-right:1px solid var(--border)}.site-nav-brand:hover{text-decoration:none;color:var(--accent)}.site-nav-links{display:flex;align-items:center;gap:2px}.site-nav-links a{color:var(--text-dim);font-size:.85rem;text-decoration:none;padding:5px 10px;border-radius:4px;transition:color .15s,background .15s;white-space:nowrap}.site-nav-links a:hover{color:#fff;background:#ffffff12;text-decoration:none}.site-nav-links a.active{color:#fff;font-weight:600}header{padding:40px 0 24px;border-bottom:1px solid var(--border);margin-bottom:32px}header h1{font-size:2rem;color:#fff;margin-bottom:6px}header p{color:var(--text-dim);font-size:.95rem}p{margin-bottom:10px}ul,ol{padding-left:22px;margin-bottom:10px}li{margin:4px 0}h2{font-size:1.4rem;color:#fff}h3{font-size:1.1rem;color:var(--accent);margin:24px 0 8px}h4{font-size:.95rem;color:var(--accent2);margin:16px 0 6px}code{font-family:Fira Code,Cascadia Code,Consolas,monospace;font-size:.875rem;background:var(--code-bg);border:1px solid var(--border);border-radius:4px;padding:1px 6px;color:#ffa8a8}pre{font-family:Fira Code,Cascadia Code,Consolas,monospace;font-size:.875rem;background:var(--code-bg);border:1px solid var(--border);border-radius:8px;padding:16px 20px;overflow-x:auto;margin:12px 0 18px;line-height:1.6}pre code{background:none;border:none;padding:0;color:#ced4da}table{width:100%;border-collapse:collapse;margin:14px 0 18px;font-size:.88rem}th,td{padding:9px 14px;border:1px solid var(--border)}th{background:var(--surface);color:#fff;font-weight:600;text-align:left}tr:nth-child(2n) td{background:#1e2025}tr:hover td{background:#1e2025}.callout{border-radius:8px;padding:14px 18px;margin:14px 0;border-left:4px solid;font-size:.92rem}.callout.info{background:#1c3150;border-color:var(--accent)}.callout.warn{background:#3d2a0a;border-color:var(--warn)}.callout.danger{background:#3d0f0f;border-color:var(--danger)}.callout.tip{background:#12301e;border-color:var(--accent2)}.callout b{color:#fff}.notice{background:#1c3150;border:1px solid var(--accent);border-radius:8px;padding:14px 18px;margin-bottom:20px;font-size:.93rem}.notice a{font-weight:600}input[type=text],input[type=password],input[type=search],input[type=number]{background:var(--bg);border:1px solid var(--border);border-radius:6px;color:var(--text);font-family:inherit;font-size:.9rem;padding:7px 10px;width:100%}input:focus{outline:none;border-color:var(--accent)}.btn{background:var(--surface);border:1px solid var(--border);border-radius:6px;color:var(--text);cursor:pointer;font-family:inherit;font-size:.88rem;padding:7px 16px;transition:border-color .15s,background .15s,color .15s;white-space:nowrap}.btn:hover:not(:disabled){border-color:var(--accent);background:#2a2b31;color:#fff}.btn:disabled{opacity:.35;cursor:default}.btn-primary{background:var(--accent);border-color:var(--accent);color:#000;font-weight:600}.btn-primary:hover:not(:disabled){background:#74c0fc;border-color:#74c0fc;color:#000}.btn-danger{border-color:var(--danger);color:var(--danger);background:transparent}.btn-danger:hover:not(:disabled){background:var(--danger);color:#fff}