* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --navy: #1f3864; --blue: #2e74b5; --light: #eef3fa; --line: #dbe3ef;
  --text: #262626; --muted: #6b7280; --bg: #f5f7fb;
}
body {
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--blue); text-decoration: none; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 24px 18px 48px; }

/* 顶部 */
.top { background: var(--navy); color: #fff; }
.top .inner { max-width: 1080px; margin: 0 auto; padding: 16px 18px; display: flex; align-items: center; justify-content: space-between; }
.brand { font-size: 18px; font-weight: 700; letter-spacing: .5px; }
.brand small { font-weight: 400; opacity: .7; font-size: 12px; margin-left: 8px; }
.top .who { font-size: 13px; opacity: .85; }

/* 卡片 */
.hero { padding: 42px 0 10px; }
.hero h1 { font-size: 30px; color: var(--navy); letter-spacing: .5px; }
.hero p { color: var(--muted); margin-top: 8px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; margin-top: 22px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 18px;
  transition: .18s; display: block; color: var(--text);
}
.card:hover { border-color: var(--blue); box-shadow: 0 6px 18px rgba(31,56,100,.08); transform: translateY(-2px); }
.card .num { font-size: 12px; color: var(--blue); font-weight: 700; }
.card h3 { font-size: 16px; margin: 6px 0 4px; color: var(--navy); }
.card p { font-size: 12px; color: var(--muted); }
.card .tag { display: inline-block; margin-top: 10px; font-size: 11px; color: var(--blue); background: var(--light); padding: 2px 8px; border-radius: 20px; }

/* 登录 */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-card { width: 100%; max-width: 420px; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 26px 24px 22px; box-shadow: 0 10px 30px rgba(31,56,100,.06); }
.login-card h2 { font-size: 20px; color: var(--navy); }
.login-card .sub { color: var(--muted); font-size: 12px; margin: 6px 0 18px; }

.tabs { display: flex; gap: 8px; margin-bottom: 14px; }
.tabs button {
  flex: 1; padding: 8px 10px; border: 1px solid var(--line); background: #fff; border-radius: 8px;
  font-size: 13px; color: var(--muted); cursor: pointer;
}
.tabs button.on { border-color: var(--blue); color: var(--blue); background: var(--light); font-weight: 700; }

.field { margin-bottom: 12px; }
.field label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 5px; }
.field input {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px;
  font-size: 14px; outline: none; background: #fff;
}
.field input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(46,116,181,.12); }
.row { display: flex; gap: 10px; }
.row .field { flex: 1; }
.btn {
  width: 100%; padding: 11px; border: 0; border-radius: 8px; background: var(--navy); color: #fff;
  font-size: 15px; font-weight: 700; cursor: pointer; margin-top: 6px;
}
.btn:disabled { opacity: .55; cursor: default; }
.btn.ghost { background: #fff; color: var(--navy); border: 1px solid var(--line); font-weight: 400; }
.hint { font-size: 12px; color: var(--muted); margin-top: 10px; text-align: center; }
.err { color: #b00020; font-size: 13px; margin-top: 10px; min-height: 18px; }

/* 应用页 */
.panel { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 20px; margin-top: 16px; }
.panel h3 { color: var(--navy); font-size: 15px; margin-bottom: 10px; }
.kv { display: grid; grid-template-columns: 120px 1fr; gap: 8px 12px; font-size: 13px; }
.kv .k { color: var(--muted); }
.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; }
.stat { background: var(--light); border-radius: 8px; padding: 12px; text-align: center; }
.stat b { display: block; font-size: 20px; color: var(--navy); }
.stat span { font-size: 12px; color: var(--muted); }
.todo { display: inline-block; font-size: 12px; color: #92400e; background: #fef3c7; padding: 3px 9px; border-radius: 20px; }

@media (max-width: 480px) {
  .hero h1 { font-size: 24px; }
  .login-card { padding: 20px 16px; }
}

/* 轻提示 */
.toast {
  position: fixed; left: 50%; bottom: 32px; transform: translate(-50%, 16px);
  background: #16324a; color: #fff; padding: 10px 16px; border-radius: 8px;
  font-size: 13px; z-index: 300; opacity: 0; pointer-events: none;
  transition: opacity .18s ease, transform .18s ease; max-width: 80vw;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.success { background: #0b7a3b; }
.toast.warning { background: #b45309; }

/* 加载态与窄屏表格 */
.loading { color: #6b7280; font-size: 13px; padding: 12px 0; }
.hint code { background: #eef3fa; padding: 1px 5px; border-radius: 4px; font-size: 12px; }
@media (max-width: 700px) {
  .panel table.tb { display: block; overflow-x: auto; white-space: nowrap; }
  .metric b { font-size: 16px; }
}