*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#0f1117;--surface:#1a1d27;--surface2:#22263a;--border:#2e3349;--accent:#4f8ef7;--text:#e8eaf0;--text-muted:#9aa3bd;--text-dim:#68708e;--radius:12px;--radius-sm:8px}
[data-theme="light"]{--accent:#2563eb;--accent-dim:#1d4ed8;--green:#15803d;--red:#dc2626;--yellow:#b45309;--bg:#f0f2f8;--surface:#ffffff;--surface2:#f5f6fb;--surface3:#eaecf5;--border:#dde1f0;--border2:#c8cde0;--text:#1a1d2e;--text-muted:#5a6080;--text-dim:#7078a0;--accent-glow:rgba(79,142,247,.1);--green-dim:rgba(34,197,94,.1);--red-dim:rgba(248,113,113,.1)}
body{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);min-height:100vh;padding:20px 16px 60px;line-height:1.6}
a{color:var(--accent)}.site-header{display:flex;align-items:center;justify-content:space-between;max-width:760px;margin:0 auto 24px;padding-bottom:16px;border-bottom:1px solid var(--border);gap:12px}
.site-logo{font-size:1.2rem;font-weight:800;letter-spacing:-.03em;background:linear-gradient(135deg,var(--text) 0%,var(--accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-decoration:none}.back-link{font-size:.82rem;color:var(--text-muted);text-decoration:none}.lang a{font-size:.72rem;text-decoration:none;color:var(--text-muted);border:1px solid var(--border);border-radius:7px;padding:4px 7px;margin-left:4px}.lang a.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.container{max-width:760px;margin:0 auto}
h1{font-size:clamp(1.55rem,4vw,2.15rem);font-weight:800;letter-spacing:-.03em;margin-bottom:14px}
.intro{color:var(--text-muted);font-size:1.05rem;margin-bottom:20px}
dl{margin:0}
h2{font-size:1.2rem;font-weight:700;margin:24px 0 10px}
ul{list-style:none}li{position:relative;padding-left:18px;margin-bottom:6px}li::before{content:"›";position:absolute;left:0;color:var(--accent);font-weight:700}
.disclaimer{color:var(--text-dim);font-size:.82rem;font-style:italic;margin-top:24px;padding:14px;border:1px solid var(--border);border-radius:var(--radius-sm)}
footer{text-align:center;margin-top:34px;color:var(--text-dim);font-size:.78rem}footer a{color:var(--text-muted);text-decoration:none}
@media(max-width:620px){.site-header{flex-direction:column;align-items:flex-start}}