/* TY-AI 算力平台 —— 界面样式
   不引任何外部字体/CDN：国内直连也要能秒开 */
:root {
  --bg: #f5f7fb;
  --bg2: #ffffff;
  --panel: #ffffff;
  --text: #1c2128;
  --dim: #6b7480;
  --line: #e6e8ee;
  --brand: #3355ff;
  --brand2: #00b3ff;
  --brand-soft: #eef2ff;
  --ok: #16a34a;
  --warn: #d97706;
  --danger: #e5484d;
  --shadow: 0 8px 30px rgba(20, 30, 60, .08);
  --radius: 14px;
}
html[data-theme="dark"] {
  --bg: #0d1117;
  --bg2: #0f151d;
  --panel: #151b24;
  --text: #e8edf4;
  --dim: #8b95a5;
  --line: #232b37;
  --brand: #5b7cff;
  --brand2: #22c8ff;
  --brand-soft: #17203a;
  --shadow: 0 10px 30px rgba(0, 0, 0, .35);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.65 "Microsoft YaHei UI", "Microsoft YaHei", "PingFang SC",
        "Hiragino Sans GB", "Source Han Sans SC", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { margin: 0 0 .5em; line-height: 1.3; font-weight: 700; }
code, pre, .mono { font-family: Consolas, "Cascadia Mono", Menlo, monospace; }

/* ---------- 顶栏 ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 22px;
  height: 60px; padding: 0 26px;
  background: color-mix(in srgb, var(--bg2) 88%, transparent);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav .logo { display: flex; align-items: center; gap: 9px; font-weight: 800; font-size: 16px; color: var(--text); }
.nav .logo i {
  width: 26px; height: 26px; border-radius: 8px; display: inline-block;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
}
.nav .logo b { background: linear-gradient(90deg, var(--brand), var(--brand2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav .links { display: flex; gap: 4px; margin-left: 8px; }
.nav .links a {
  color: var(--dim); padding: 7px 12px; border-radius: 9px; font-weight: 500;
}
.nav .links a:hover { background: var(--brand-soft); color: var(--brand); text-decoration: none; }
.nav .links a.on { color: var(--brand); background: var(--brand-soft); }
.nav .right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.burger { display: none; }

/* ---------- 通用控件 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 16px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--panel); color: var(--text); font-size: 14px; font-weight: 600;
  cursor: pointer; transition: .16s; white-space: nowrap;
}
.btn:hover { border-color: var(--brand); color: var(--brand); }
.btn.primary {
  border: none; color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  box-shadow: 0 6px 18px rgba(51, 85, 255, .25);
}
.btn.primary:hover { filter: brightness(1.06); color: #fff; }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, var(--line)); }
.btn.danger:hover { background: color-mix(in srgb, var(--danger) 10%, transparent); }
.btn.sm { padding: 5px 11px; font-size: 13px; border-radius: 8px; }
.btn[disabled] { opacity: .55; cursor: not-allowed; }
.input, select.input, textarea.input {
  width: 100%; padding: 10px 12px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--bg2); color: var(--text);
  font-size: 14px; outline: none; transition: .16s;
}
.input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
label.field { display: block; margin-bottom: 14px; }
label.field > span { display: block; margin-bottom: 6px; color: var(--dim); font-size: 13px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > * { flex: 1 1 220px; }
.badge {
  display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 12px;
  font-weight: 600; background: var(--brand-soft); color: var(--brand);
}
.badge.ok { background: color-mix(in srgb, var(--ok) 14%, transparent); color: var(--ok); }
.badge.off { background: color-mix(in srgb, var(--dim) 16%, transparent); color: var(--dim); }
.badge.warn { background: color-mix(in srgb, var(--warn) 16%, transparent); color: var(--warn); }
.tag { font-size: 12px; color: var(--dim); }

/* ---------- 布局 ---------- */
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 22px; }
.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow);
}
.card + .card { margin-top: 16px; }
.card h3 { font-size: 15px; }
.muted { color: var(--dim); }
.center { text-align: center; }
.mt { margin-top: 16px; }
.mt2 { margin-top: 26px; }
.hr { height: 1px; background: var(--line); margin: 18px 0; }

/* ---------- 首页 ---------- */
.hero { padding: 74px 0 54px; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -180px -80px auto;
  height: 460px; pointer-events: none;
  background: radial-gradient(600px 300px at 20% 40%, color-mix(in srgb, var(--brand) 22%, transparent), transparent 70%),
              radial-gradient(520px 260px at 78% 22%, color-mix(in srgb, var(--brand2) 20%, transparent), transparent 70%);
}
.hero .wrap { position: relative; }
.hero h1 { font-size: 44px; letter-spacing: -.5px; }
.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--brand), var(--brand2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { font-size: 17px; color: var(--dim); max-width: 640px; }
.hero .cta { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }
.hero .side { margin-top: 8px; }
.kv { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; }
.kv b { min-width: 74px; color: var(--dim); font-weight: 600; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.feat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.feat .ic {
  width: 34px; height: 34px; border-radius: 10px; margin-bottom: 10px;
  display: flex; align-items: center; justify-content: center; font-size: 17px;
  background: var(--brand-soft); color: var(--brand);
}
.feat h4 { margin: 0 0 6px; font-size: 15px; }
.feat p { margin: 0; color: var(--dim); font-size: 13px; }
pre.code {
  background: #0f1522; color: #d7e0ff; padding: 16px; border-radius: 12px;
  overflow: auto; font-size: 12.5px; line-height: 1.7; margin: 0;
  border: 1px solid #1d2636;
}
html[data-theme="dark"] pre.code { background: #0a0f18; }
.tabs { display: flex; gap: 6px; margin-bottom: 12px; flex-wrap: wrap; }
.tabs button {
  padding: 7px 14px; border-radius: 9px; border: 1px solid var(--line);
  background: var(--panel); color: var(--dim); cursor: pointer; font-size: 13px; font-weight: 600;
}
.tabs button.on { color: #fff; border-color: transparent; background: linear-gradient(135deg, var(--brand), var(--brand2)); }

/* ---------- 表格 ---------- */
.tablewrap { overflow-x: auto; }
table.tb { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.tb th {
  text-align: left; padding: 11px 12px; color: var(--dim);
  font-weight: 600; border-bottom: 1px solid var(--line); white-space: nowrap;
  background: color-mix(in srgb, var(--bg) 60%, transparent);
}
table.tb td { padding: 11px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
table.tb tr:hover td { background: color-mix(in srgb, var(--brand) 5%, transparent); }
table.tb td.right, table.tb th.right { text-align: right; }
.keycell { display: flex; align-items: center; gap: 8px; }
.keycell code {
  background: var(--brand-soft); color: var(--brand); padding: 3px 8px;
  border-radius: 7px; font-size: 12.5px; white-space: nowrap;
}

/* ---------- 控制台 ---------- */
.shell { display: grid; grid-template-columns: 218px 1fr; gap: 22px; padding: 26px 0 60px; }
.side { position: sticky; top: 82px; align-self: start; }
.side .who { padding: 14px; border-radius: var(--radius); background: var(--panel); border: 1px solid var(--line); margin-bottom: 14px; }
.side a {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 10px;
  color: var(--dim); font-weight: 600; margin-bottom: 2px;
}
.side a:hover { background: var(--brand-soft); color: var(--brand); text-decoration: none; }
.side a.on { background: linear-gradient(135deg, var(--brand), var(--brand2)); color: #fff; }
.side .grp { font-size: 12px; color: var(--dim); margin: 14px 0 6px 12px; letter-spacing: .5px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.stat .n { font-size: 24px; font-weight: 800; }
.stat .l { color: var(--dim); font-size: 12.5px; margin-top: 2px; }
.bars { display: flex; align-items: flex-end; gap: 6px; height: 120px; margin-top: 10px; }
.bars div {
  flex: 1; border-radius: 6px 6px 0 0; min-height: 3px;
  background: linear-gradient(180deg, var(--brand2), var(--brand)); position: relative;
}
.bars div:hover::after {
  content: attr(data-t); position: absolute; bottom: 105%; left: 50%; transform: translateX(-50%);
  background: #0f1522; color: #fff; padding: 3px 7px; border-radius: 6px; font-size: 11px; white-space: nowrap;
}

/* ---------- 弹窗 / 提示 ---------- */
.mask {
  position: fixed; inset: 0; background: rgba(10, 15, 25, .45); z-index: 100;
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal {
  width: 100%; max-width: 460px; background: var(--panel); color: var(--text);
  border-radius: 16px; padding: 22px; box-shadow: var(--shadow); border: 1px solid var(--line);
  max-height: 88vh; overflow: auto;
}
.modal h3 { font-size: 17px; }
.modal .foot { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
.toasts { position: fixed; right: 18px; bottom: 18px; z-index: 200; display: flex; flex-direction: column; gap: 10px; }
.toast {
  padding: 11px 15px; border-radius: 11px; background: var(--panel); color: var(--text);
  border: 1px solid var(--line); box-shadow: var(--shadow); font-size: 13.5px; max-width: 380px;
  border-left: 3px solid var(--brand);
}
.toast.err { border-left-color: var(--danger); }
.toast.ok { border-left-color: var(--ok); }
.warnbox {
  padding: 12px 14px; border-radius: 11px; font-size: 13px;
  background: color-mix(in srgb, var(--warn) 12%, transparent);
  color: color-mix(in srgb, var(--warn) 80%, var(--text));
  border: 1px solid color-mix(in srgb, var(--warn) 30%, transparent);
}
.empty { padding: 40px 10px; text-align: center; color: var(--dim); }

/* ---------- 页脚 ---------- */
.foot { border-top: 1px solid var(--line); margin-top: 60px; padding: 26px 0 40px; color: var(--dim); font-size: 13px; }
.foot .wrap { display: flex; gap: 20px; flex-wrap: wrap; align-items: center; }

@media (max-width: 900px) {
  .grid3, .grid4, .stats { grid-template-columns: 1fr 1fr; }
  .shell { grid-template-columns: 1fr; }
  .side { position: static; }
  .hero h1 { font-size: 32px; }
  .nav .links { display: none; }
  .burger { display: inline-flex; }
}
@media (max-width: 560px) {
  .grid3, .grid4, .stats { grid-template-columns: 1fr; }
}