/* 云枢算力 · 设计系统（无构建，直接引用） */
:root {
  --bg: #f4f6fb;
  --card: #ffffff;
  --ink: #0f172a;
  --ink-2: #334155;
  --muted: #64748b;
  --line: #e5eaf3;
  --line-2: #eef2f8;
  --brand: #2563eb;
  --brand-deep: #1e40af;
  --brand-soft: #eff4ff;
  --ok: #0ea472;
  --ok-soft: #e8f8f1;
  --warn: #d97706;
  --warn-soft: #fdf3e4;
  --bad: #dc2626;
  --bad-soft: #fdecec;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 8px 24px -12px rgba(16, 24, 40, .12);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { margin: 0 0 12px; line-height: 1.3; letter-spacing: -.01em; }
h1 { font-size: 30px; }
h2 { font-size: 22px; }
h3 { font-size: 17px; }
p { margin: 0 0 12px; color: var(--ink-2); }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.mono { font-family: var(--mono); }
.right { text-align: right; }
.center { text-align: center; }
.nowrap { white-space: nowrap; }
.mt-0 { margin-top: 0; } .mt-12 { margin-top: 12px; } .mt-20 { margin-top: 20px; } .mt-32 { margin-top: 32px; }
.mb-0 { margin-bottom: 0; } .mb-8 { margin-bottom: 8px; } .mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; }
.flex { display: flex; } .between { justify-content: space-between; } .gap-8 { gap: 8px; } .gap-12 { gap: 12px; } .gap-16 { gap: 16px; }
.items-center { align-items: center; } .wrap { flex-wrap: wrap; }

/* ---------- 布局 ---------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.page { padding: 28px 0 64px; }
.narrow { max-width: 520px; margin: 0 auto; }

/* ---------- 导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { max-width: 1200px; margin: 0 auto; padding: 0 20px; height: 60px; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: 16px; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand img { width: 26px; height: 26px; }
.nav-links { display: flex; gap: 20px; flex: 1; }
.nav-links a { color: var(--ink-2); font-size: 14px; }
.nav-links a:hover { color: var(--brand); text-decoration: none; }
.nav-right { display: flex; align-items: center; gap: 10px; }
@media (max-width: 820px) { .nav-links { display: none; } }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 38px; padding: 0 16px; border-radius: 10px;
  border: 1px solid var(--line); background: #fff; color: var(--ink);
  font-size: 14px; font-weight: 500; cursor: pointer; white-space: nowrap;
  transition: .15s;
}
.btn:hover { border-color: #cbd5e1; text-decoration: none; }
.btn-primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-deep); border-color: var(--brand-deep); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--ink-2); }
.btn-ghost:hover { background: #eef2f8; }
.btn-danger { background: var(--bad); border-color: var(--bad); color: #fff; }
.btn-sm { height: 30px; padding: 0 10px; font-size: 13px; border-radius: 8px; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---------- 卡片 ---------- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.card-pad { padding: 22px; }
.card-h { display: flex; align-items: center; justify-content: space-between; padding: 16px 22px; border-bottom: 1px solid var(--line-2); }
.card-h h3 { margin: 0; }
.card-b { padding: 22px; }
.card-f { padding: 14px 22px; border-top: 1px solid var(--line-2); }

.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1000px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 720px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ---------- 数据卡 ---------- */
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow); }
.stat-label { font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.stat-value { font-size: 26px; font-weight: 700; letter-spacing: -.02em; }
.stat-value.sm { font-size: 20px; }
.stat-sub { font-size: 12.5px; color: var(--muted); margin-top: 6px; }
.stat-value.ok { color: var(--ok); } .stat-value.brand { color: var(--brand); }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; }
table.table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.table th { text-align: left; font-weight: 600; color: var(--muted); font-size: 12.5px; padding: 10px 14px; border-bottom: 1px solid var(--line); background: #fbfcfe; white-space: nowrap; }
.table td { padding: 12px 14px; border-bottom: 1px solid var(--line-2); vertical-align: middle; }
.table tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: #fafbfe; }
.table .num { font-family: var(--mono); font-size: 13px; }

/* ---------- 徽标 ---------- */
.badge { display: inline-flex; align-items: center; gap: 5px; height: 22px; padding: 0 9px; border-radius: 999px; font-size: 12px; font-weight: 500; background: #eef2f8; color: var(--ink-2); white-space: nowrap; }
.badge-ok { background: var(--ok-soft); color: var(--ok); }
.badge-warn { background: var(--warn-soft); color: var(--warn); }
.badge-bad { background: var(--bad-soft); color: var(--bad); }
.badge-brand { background: var(--brand-soft); color: var(--brand); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); display: inline-block; }
.dot.ok { background: var(--ok); box-shadow: 0 0 0 3px var(--ok-soft); }
.dot.bad { background: var(--bad); box-shadow: 0 0 0 3px var(--bad-soft); }

/* ---------- 表单 ---------- */
.field { margin-bottom: 16px; }
.field > label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; color: var(--ink-2); }
.input, .select, .textarea {
  width: 100%; height: 40px; padding: 0 12px; border: 1px solid var(--line);
  border-radius: 10px; background: #fff; font-size: 14px; color: var(--ink); font-family: inherit;
  outline: none; transition: .15s;
}
.textarea { height: auto; min-height: 90px; padding: 10px 12px; line-height: 1.6; font-family: var(--mono); font-size: 12.5px; }
.input:focus, .select:focus, .textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(37, 99, 235, .12); }
.hint { font-size: 12px; color: var(--muted); margin-top: 5px; }
.inline { display: flex; gap: 10px; align-items: center; }
.checkbox { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--ink-2); }

/* ---------- 提示 ---------- */
.alert { padding: 11px 14px; border-radius: 10px; font-size: 13.5px; margin-bottom: 16px; border: 1px solid transparent; }
.alert-err { background: var(--bad-soft); color: #991b1b; border-color: #f6c9c9; }
.alert-ok { background: var(--ok-soft); color: #065f46; border-color: #bfe9d9; }
.alert-info { background: var(--brand-soft); color: var(--brand-deep); border-color: #cfdcfb; }
.alert-warn { background: var(--warn-soft); color: #92400e; border-color: #f3ddb7; }

/* ---------- 首页 ---------- */
.hero { padding: 64px 0 44px; background: radial-gradient(1000px 420px at 70% -10%, #dbe7ff 0%, transparent 60%), linear-gradient(180deg, #fbfcff 0%, var(--bg) 100%); }
.hero h1 { font-size: 44px; line-height: 1.15; margin-bottom: 18px; }
.hero .lead { font-size: 17px; color: var(--ink-2); max-width: 620px; margin-bottom: 26px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 40px; align-items: center; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } .hero h1 { font-size: 32px; } }
.kpi-box { background: var(--card); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); padding: 20px; }
.kpi-row { display: flex; justify-content: space-between; align-items: baseline; padding: 11px 0; border-bottom: 1px dashed var(--line); }
.kpi-row:last-child { border-bottom: none; }
.section { padding: 52px 0; }
.section-title { text-align: center; margin-bottom: 8px; }
.section-sub { text-align: center; color: var(--muted); margin-bottom: 32px; }
.feature { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.feature .ico { width: 38px; height: 38px; border-radius: 10px; background: var(--brand-soft); color: var(--brand); display: flex; align-items: center; justify-content: center; font-size: 18px; margin-bottom: 12px; }
.feature h3 { margin-bottom: 6px; }
.feature p { font-size: 13.5px; margin: 0; }

/* ---------- 迷你柱状图 ---------- */
.bars { display: flex; align-items: flex-end; gap: 6px; height: 110px; }
.bars .bar { flex: 1; background: linear-gradient(180deg, #93b4ff, #2563eb); border-radius: 5px 5px 2px 2px; min-height: 2px; position: relative; }
.bars .bar span { position: absolute; bottom: -20px; left: 0; right: 0; text-align: center; font-size: 10px; color: var(--muted); }
.bars-wrap { padding-bottom: 22px; }

/* ---------- 代码块 ---------- */
.code { background: #0f172a; color: #dbeafe; padding: 14px 16px; border-radius: 10px; font-family: var(--mono); font-size: 12.5px; overflow-x: auto; position: relative; }
.code code { white-space: pre; }
.copy-btn { position: absolute; top: 8px; right: 8px; }

/* ---------- 表格工具条 ---------- */
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 16px; }
.tabs { display: flex; gap: 4px; background: #eef2f8; padding: 4px; border-radius: 10px; }
.tabs a { padding: 7px 14px; border-radius: 8px; font-size: 13.5px; color: var(--ink-2); }
.tabs a.active { background: #fff; color: var(--ink); box-shadow: 0 1px 2px rgba(16, 24, 40, .06); text-decoration: none; font-weight: 500; }

/* ---------- 页脚 ---------- */
.footer { border-top: 1px solid var(--line); background: #fff; padding: 28px 0; margin-top: 40px; color: var(--muted); font-size: 13px; }
.footer-inner { max-width: 1200px; margin: 0 auto; padding: 0 20px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ---------- 其它 ---------- */
.empty { text-align: center; padding: 44px 20px; color: var(--muted); }
.empty .big { font-size: 32px; margin-bottom: 8px; }
.kv { display: grid; grid-template-columns: 120px 1fr; gap: 8px 14px; font-size: 13.5px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.tag-list { display: flex; gap: 8px; flex-wrap: wrap; }
hr.sep { border: none; border-top: 1px solid var(--line-2); margin: 18px 0; }
.table-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.form-inline { display: flex; gap: 8px; align-items: flex-end; flex-wrap: wrap; }
.form-inline .field { margin-bottom: 0; }