:root {
  --primary: #0f4c81;
  --primary-light: #e8f0f8;
  --primary-mid: #2d6cb5;
  --accent: #c8a04a;
  --bg: #f5f7fa;
  --card: #ffffff;
  --text: #243342;
  --muted: #6b7a8c;
  --border: #dde4ec;
  --success: #1e8e5a;
  --danger: #c0392b;
  --warning: #b7791f;
  --radius: 10px;
  --shadow: 0 2px 10px rgba(15, 40, 70, 0.07);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.65;
}
a { color: var(--primary-mid); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- 顶部导航 ---- */
.topbar { background: linear-gradient(135deg, #0f4c81 0%, #14568f 60%, #1a649f 100%); color: #fff; }
.topbar-inner { max-width: 1100px; margin: 0 auto; padding: 18px 20px 14px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.topbar .logo { width: 46px; height: 46px; border-radius: 8px; background: rgba(255,255,255,.14); display: flex; align-items: center; justify-content: center; font-size: 24px; flex: none; }
.topbar h1 { font-size: 21px; font-weight: 700; letter-spacing: 1px; }
.topbar .sub { font-size: 12px; opacity: .82; letter-spacing: .5px; }
.topbar nav { margin-left: auto; display: flex; gap: 6px; flex-wrap: wrap; }
.topbar nav a { color: #e6eef7; padding: 7px 14px; border-radius: 6px; font-size: 14px; text-decoration: none; }
.topbar nav a:hover { background: rgba(255,255,255,.15); text-decoration: none; }
.topbar nav a.active { background: rgba(255,255,255,.22); color: #fff; font-weight: 600; }

.container { max-width: 1100px; margin: 0 auto; padding: 24px 20px 60px; }

/* ---- 卡片与通用 ---- */
.card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px 26px; margin-bottom: 20px; }
.card h2 { font-size: 18px; color: var(--primary); margin-bottom: 14px; padding-left: 10px; border-left: 4px solid var(--accent); }
.card h3 { font-size: 15.5px; margin: 16px 0 8px; color: var(--text); }
.muted { color: var(--muted); font-size: 13px; }
.btn { display: inline-block; border: none; cursor: pointer; border-radius: 7px; padding: 9px 22px; font-size: 14.5px; font-family: inherit; background: var(--primary-mid); color: #fff; transition: background .15s; text-decoration: none; }
.btn:hover { background: var(--primary); text-decoration: none; }
.btn.primary { background: var(--primary); }
.btn.ghost { background: #fff; color: var(--primary-mid); border: 1px solid var(--border); }
.btn.ghost:hover { border-color: var(--primary-mid); background: var(--primary-light); }
.btn.danger { background: var(--danger); }
.btn.success { background: var(--success); }
.btn.sm { padding: 5px 13px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ---- 表格 ---- */
table.grid { width: 100%; border-collapse: collapse; font-size: 14px; }
table.grid th, table.grid td { border: 1px solid var(--border); padding: 9px 12px; text-align: left; vertical-align: top; }
table.grid th { background: var(--primary-light); color: var(--primary); font-weight: 600; white-space: nowrap; }
table.grid tr:nth-child(even) td { background: #fafcfe; }

/* ---- 标签 ---- */
.tag { display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: 12.5px; font-weight: 600; }
.tag.pending { background: #fdf3e0; color: var(--warning); }
.tag.approved { background: #e4f5ec; color: var(--success); }
.tag.rejected { background: #fbe9e7; color: var(--danger); }

/* ---- 表单 ---- */
.form-row { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 14px; }
.field { flex: 1 1 240px; min-width: 220px; }
.field label { display: block; font-size: 13.5px; color: var(--text); margin-bottom: 5px; font-weight: 600; }
.field label .req { color: var(--danger); margin-left: 2px; }
.field input[type=text], .field input[type=tel], .field input[type=email],
.field input[type=number], .field select, .field textarea,
.step-input input[type=text], .step-input select, .step-input textarea {
  width: 100%; padding: 9px 11px; border: 1px solid var(--border); border-radius: 7px;
  font-size: 14px; font-family: inherit; background: #fff; color: var(--text);
}
.field textarea, .step-input textarea { resize: vertical; min-height: 80px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--primary-mid); box-shadow: 0 0 0 3px rgba(45,108,181,.13); }
.hint { font-size: 12px; color: var(--muted); margin-top: 4px; }
.checks { display: flex; flex-wrap: wrap; gap: 10px 22px; padding: 6px 0; }
.checks label { display: flex; align-items: center; gap: 6px; font-weight: 400; cursor: pointer; font-size: 14px; }

/* ---- 分步表单 ---- */
.steps { display: flex; margin-bottom: 24px; flex-wrap: wrap; gap: 6px; }
.step-item { flex: 1 1 150px; text-align: center; padding: 10px 6px; background: #eef2f7; border-radius: 8px; color: var(--muted); font-size: 13px; position: relative; }
.step-item .n { display: inline-block; width: 22px; height: 22px; line-height: 22px; border-radius: 50%; background: #c9d4e0; color: #fff; margin-right: 6px; font-size: 12px; }
.step-item.active { background: var(--primary); color: #fff; font-weight: 600; }
.step-item.active .n { background: var(--accent); }
.step-item.done { background: var(--primary-light); color: var(--primary); }
.step-item.done .n { background: var(--success); }
.step-pane { display: none; }
.step-pane.show { display: block; animation: fadein .25s; }
@keyframes fadein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.form-nav { display: flex; justify-content: space-between; margin-top: 22px; gap: 12px; }

/* ---- 首页横幅 ---- */
.hero { background: linear-gradient(120deg, #0f4c81, #2d6cb5); color: #fff; border-radius: var(--radius); padding: 42px 40px; margin-bottom: 24px; position: relative; overflow: hidden; }
.hero::after { content: "钢"; position: absolute; right: 30px; top: -30px; font-size: 190px; opacity: .08; font-weight: 700; }
.hero h2 { font-size: 26px; margin-bottom: 10px; letter-spacing: 1px; }
.hero p { opacity: .9; max-width: 620px; margin-bottom: 22px; }
.hero .btn { background: var(--accent); color: #2b2210; font-weight: 700; }
.hero .btn:hover { background: #d8b262; }
.hero .btns { display: flex; gap: 12px; flex-wrap: wrap; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 860px) { .grid-2, .grid-4 { grid-template-columns: 1fr; } }

.fee-table td:last-child { white-space: nowrap; font-weight: 600; color: var(--primary); }

/* ---- 通知/提示 ---- */
.alert { padding: 12px 16px; border-radius: 8px; font-size: 14px; margin-bottom: 14px; }
.alert.info { background: var(--primary-light); color: var(--primary); }
.alert.ok { background: #e4f5ec; color: var(--success); }
.alert.err { background: #fbe9e7; color: var(--danger); }

/* ---- 登录 ---- */
.login-wrap { max-width: 400px; margin: 60px auto; }

/* ---- 仪表盘 ---- */
.kpi { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px 22px; }
.kpi .num { font-size: 30px; font-weight: 700; color: var(--primary); }
.kpi .lbl { color: var(--muted); font-size: 13.5px; margin-top: 2px; }
.kpi.warn .num { color: var(--warning); }
.kpi.good .num { color: var(--success); }
.kpi.bad .num { color: var(--danger); }
.bar-chart { display: flex; align-items: flex-end; gap: 26px; height: 170px; padding: 10px 8px 0; }
.bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; }
.bar-col .bar { width: 52px; background: linear-gradient(180deg, var(--primary-mid), var(--primary)); border-radius: 5px 5px 0 0; transition: height .5s; min-height: 3px; }
.bar-col .val { font-size: 13px; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.bar-col .cap { font-size: 12.5px; color: var(--muted); margin-top: 8px; text-align: center; }

/* ---- 弹层 ---- */
.modal-mask { position: fixed; inset: 0; background: rgba(20,35,55,.45); display: none; align-items: flex-start; justify-content: center; z-index: 50; padding: 40px 16px; overflow: auto; }
.modal-mask.show { display: flex; }
.modal { background: #fff; border-radius: 12px; max-width: 960px; width: 100%; padding: 26px 30px; box-shadow: 0 12px 40px rgba(10,30,60,.25); }
.modal h3 { font-size: 17px; color: var(--primary); margin-bottom: 14px; }
.modal .close { float: right; border: none; background: none; font-size: 22px; cursor: pointer; color: var(--muted); }

/* 详情页 */
.dl { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; }
.dl .di { padding: 8px 4px; border-bottom: 1px dashed var(--border); }
.dl .di .k { color: var(--muted); font-size: 12.5px; }
.dl .di .v { font-size: 14.5px; margin-top: 1px; word-break: break-all; }
@media (max-width: 700px) { .dl { grid-template-columns: 1fr; } }

.footer { text-align: center; color: var(--muted); font-size: 12.5px; padding: 26px 10px; border-top: 1px solid var(--border); margin-top: 30px; }
.tabs { display: flex; gap: 4px; border-bottom: 2px solid var(--border); margin-bottom: 18px; flex-wrap: wrap; }
.tabs button { border: none; background: none; padding: 10px 18px; font-size: 14.5px; cursor: pointer; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -2px; font-family: inherit; }
.tabs button.active { color: var(--primary); font-weight: 700; border-color: var(--primary); }
.toolbar { display: flex; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; align-items: center; }
.toolbar input, .toolbar select { padding: 8px 11px; border: 1px solid var(--border); border-radius: 7px; font-size: 14px; font-family: inherit; }
.empty { text-align: center; color: var(--muted); padding: 40px 0; }
.agree-box { background: #fafcf8; border: 1px solid #e2e8d9; border-radius: 8px; padding: 16px 18px; max-height: 240px; overflow: auto; font-size: 13.5px; color: #44513f; }
.upload-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.upload-item { background: var(--primary-light); border-radius: 6px; padding: 6px 10px; font-size: 13px; display: flex; gap: 8px; align-items: center; }
.upload-item button { border: none; background: none; color: var(--danger); cursor: pointer; font-size: 15px; }
.subtable th { text-align: center !important; }
.subtable td input { width: 100%; border: 1px solid transparent; background: transparent; padding: 5px 6px; font-size: 13.5px; font-family: inherit; text-align: center; border-radius: 4px; }
.subtable td input:focus { border-color: var(--primary-mid); background: #fff; outline: none; }
@media print {
  .topbar, .footer, .form-nav, .steps, .toolbar, .no-print { display: none !important; }
  body { background: #fff; }
  .card { box-shadow: none; border: 1px solid #ccc; }
}