:root{
  --bg:#0f1115; --panel:#171a21; --line:#262b35; --text:#e6e9ef;
  --muted:#8b93a3; --accent:#f0965a; --code:#0b0d11; --ok:#5fbf7d;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);
     font:15px/1.6 -apple-system,"PingFang SC","Microsoft YaHei",sans-serif}
header{padding:22px 20px 10px;max-width:1180px;margin:0 auto}
h1{margin:0 0 6px;font-size:20px}
h1 a{color:inherit;text-decoration:none;font-size:13px;color:var(--muted);margin-left:10px;font-weight:400}
.sub{color:var(--muted);font-size:13.5px}
.wrap{max-width:1180px;margin:0 auto;padding:12px 20px 60px;
      display:grid;grid-template-columns:minmax(300px,420px) 1fr;gap:20px}
@media(max-width:860px){.wrap{grid-template-columns:1fr}}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px}
label{display:block;font-size:13px;color:var(--muted);margin:14px 0 6px}
label:first-child{margin-top:0}
input[type=text],input[type=number],select,textarea{
  width:100%;padding:9px 11px;background:#0d1015;color:var(--text);
  border:1px solid var(--line);border-radius:8px;font:inherit;font-size:14px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
.checks{display:grid;gap:9px;margin-top:16px}
.chk{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text);cursor:pointer}
.chk input{accent-color:var(--accent);width:16px;height:16px}
pre{margin:0;padding:16px;background:var(--code);border:1px solid var(--line);
    border-radius:10px;overflow:auto;font:13px/1.55 "SF Mono",Consolas,monospace;
    white-space:pre;color:#d5dae5;max-height:70vh}
.bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.bar h2{margin:0;font-size:15px;font-weight:600}
button{background:var(--accent);color:#131313;border:none;border-radius:8px;
       padding:8px 16px;font:inherit;font-weight:600;font-size:13.5px;cursor:pointer}
button:hover{filter:brightness(1.08)}
button.ghost{background:transparent;color:var(--muted);border:1px solid var(--line)}
.hint{color:var(--muted);font-size:12.5px;margin-top:10px}
.hint code{background:#0d1015;padding:1px 5px;border-radius:4px}
.warn{color:#e0a03a;font-size:12.5px;margin-top:10px;display:none}

/* ===== 品牌栏 ===== */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px 16px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 12px;
}

.brand span {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text);
}

@media (max-width: 860px) {
  .side {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .brand {
    flex: 0 0 auto;
    padding: 2px 10px 2px 2px;
    margin: 0;
    border-bottom: none;
    border-right: 1px solid var(--line);
  }

  .brand span {
    font-size: 13px;
    white-space: nowrap;
    letter-spacing: 0;
  }

  .side a {
    flex: 0 0 auto;
    white-space: nowrap;
  }
}

/* ===== 关于页 ===== */
.about-card p {
  margin: 0 0 14px;
  line-height: 1.9;
  color: var(--text);
  font-size: 14.5px;
}

.about-card p:last-child { margin-bottom: 0; }

.about-card a {
  color: #ffb87a;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 184, 122, 0.45);
}

.about-card a:hover { text-decoration: underline; }