:root{--bg:#0e1116;--panel:#161b22;--line:#30363d;--fg:#d4d4d4;--head:#e6edf3;--dim:#8b949e;--blue:#58a6ff;--gold:#f0883e;--red:#da3633;--green:#3fb950}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.7 -apple-system,"PingFang SC","Microsoft YaHei",sans-serif}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
header{display:flex;align-items:center;gap:1.5rem;padding:1rem 2rem;background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap}
header h1{margin:0;font-size:1.05rem;color:var(--head)}
nav{display:flex;gap:1.2rem;flex-wrap:wrap}nav a{color:var(--dim);font-size:.9rem}
nav a:hover,nav a.on{color:var(--blue)}
main{max-width:960px;margin:0 auto;padding:2rem}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:1.5rem;margin-bottom:1.5rem}
h2{color:var(--head);margin:0 0 1rem}h3{color:var(--head);font-size:1rem}
.hero{text-align:center;padding:1rem 0 2rem}
.motd{font-size:1.45rem;color:var(--head);font-weight:600}
.stat{display:flex;justify-content:center;gap:2.5rem;margin:1rem 0}
.stat b{display:block;font-size:1.7rem;color:var(--blue)}.stat span{font-size:.8rem;color:var(--dim)}
.dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:.4rem}
.on{background:var(--green)}.off{background:var(--red)}
.warn{color:var(--red)}.small{font-size:.82rem;color:var(--dim)}
code{background:#0b0e13;border:1px solid var(--line);border-radius:4px;padding:.15rem .45rem;color:var(--gold);font-family:ui-monospace,Consolas,monospace;font-size:.88rem}
pre{background:#0b0e13;border:1px solid var(--line);border-radius:8px;padding:1rem;overflow:auto;font-size:.82rem}
input,textarea,select{background:#0b0e13;border:1px solid var(--line);color:var(--fg);border-radius:6px;padding:.55rem .7rem;font:inherit;width:100%;margin:.35rem 0}
label{font-size:.85rem;color:var(--dim);display:block;margin-top:.8rem}
button,.btn{background:#238636;color:#fff;border:0;border-radius:6px;padding:.6rem 1.3rem;font-weight:600;cursor:pointer;font:inherit;display:inline-block}
button:hover,.btn:hover{filter:brightness(1.12);text-decoration:none}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--dim)}
button.red{background:var(--red)}
table{width:100%;border-collapse:collapse;font-size:.9rem}
th,td{padding:.6rem .5rem;border-bottom:1px solid var(--line);text-align:left}
th{color:var(--dim);font-size:.78rem;text-transform:uppercase}
.msg{padding:.7rem 1rem;border-radius:6px;margin-bottom:1rem;font-size:.9rem}
.msg.ok{background:#0d2a14;color:#7ee787;border:1px solid #1f6f32}
.msg.err{background:#2d1114;color:#ff9492;border:1px solid #6e2b2b}
footer{padding:2rem;text-align:center;color:#484f58;font-size:.8rem;border-top:1px solid var(--line);margin-top:2rem}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
@media(max-width:700px){.grid2{grid-template-columns:1fr}}
ol li,ul li{margin:.4rem 0}