:root {
  --primary: #f97316;
  --primary-dark: #ea580c;
  --primary-light: #fb923c;
  --primary-50: #fff7ed;
  --primary-100: #ffedd5;
  --primary-200: #fed7aa;
  --bg: #faf9f7;
  --bg-gradient: linear-gradient(135deg, #faf9f7 0%, #fff7ed 50%, #faf9f7 100%);
  --card: rgba(255, 255, 255, 0.82);
  --card-solid: #ffffff;
  --border: #f0ebe5;
  --border-strong: #e8e0d6;
  --text: #292524;
  --text-2: #78716c;
  --text-3: #a8a29e;
  --success: #059669;
  --warning: #d97706;
  --danger: #e11d48;
  --info: #0284c7;
  --radius: 0.75rem;
  --shadow: 0 4px 24px rgba(120, 90, 50, 0.08);
  --shadow-lg: 0 8px 32px rgba(120, 90, 50, 0.12);
  --glass-blur: blur(12px);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.6;
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

/* ===== 顶部精简栏 + 侧边导航 ===== */
.topnav {
  position: sticky; top: 0; z-index: 100;
  height: 52px;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 20px; gap: 16px;
}
.topnav .brand { font-weight: 700; font-size: 15px; color: var(--text); white-space: nowrap; }
.topnav .brand span { color: var(--primary); }
.topnav .role-badge {
  font-size: 12px; padding: 4px 10px;
  border-radius: 999px; background: var(--primary-100); color: var(--primary-dark);
  border: 1px solid var(--primary-200);
}
.topnav .muted { color: var(--text-2); text-decoration: none; }
.topnav .muted:hover { color: var(--primary); }
.topnav .nav-toggle {
  display: none; border: 1px solid var(--border); background: #fff;
  border-radius: 8px; padding: 4px 10px; font-size: 16px; cursor: pointer; color: var(--text);
}

/* 侧边栏 */
.sidebar {
  position: fixed; top: 0; left: 0; bottom: 0;
  width: 220px; z-index: 150;
  background: #fff8f0; border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.sidebar-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid var(--border); height: 52px;
  flex-shrink: 0;
}
.sidebar-head .brand { font-weight: 700; font-size: 15px; }
.sidebar-head .brand span { color: var(--primary); }
.sidebar-head .nav-close {
  display: none; border: none; background: none; font-size: 22px;
  cursor: pointer; color: var(--text-2); line-height: 1;
}
.sidebar-nav { flex: 1; padding: 8px 0; overflow-y: auto; }
.nav-group { margin-bottom: 4px; }
.nav-group-title {
  font-size: 11px; font-weight: 600; color: var(--text-3);
  padding: 10px 18px 4px; text-transform: uppercase; letter-spacing: .5px;
}
.sidebar-nav a {
  display: block; padding: 8px 18px; font-size: 13px;
  color: var(--text-2); border-left: 3px solid transparent;
  transition: all .15s;
}
.sidebar-nav a:hover { background: var(--primary-50); color: var(--primary-dark); }
.sidebar-nav a.active { background: var(--primary-100); color: var(--primary-dark); border-left-color: var(--primary); font-weight: 600; }

/* body 留出侧边栏空间（login/showcase 无侧边栏除外） */
body { padding-left: 220px; }
body[data-page="login"], body.screen { padding-left: 0; }
@media (max-width: 900px) {
  body { padding-left: 0; }
  .topnav .nav-toggle { display: inline-block; }
  .sidebar { transform: translateX(-100%); transition: transform .2s; box-shadow: 2px 0 12px rgba(0,0,0,.1); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-head .nav-close { display: inline-block; }
  .topnav .brand { margin-right: auto; }
}

/* ===== 布局 ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 24px 16px 48px; }
.page-title { font-size: 22px; font-weight: 700; margin-bottom: 4px; }
.page-sub { color: var(--text-2); font-size: 13px; margin-bottom: 20px; }
.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: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 600px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ===== 卡片（毛玻璃） ===== */
.card {
  background: var(--card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px;
  box-shadow: var(--shadow);
  transition: box-shadow .2s;
}
.card:hover { box-shadow: var(--shadow-lg); }
.card h3 { font-size: 15px; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.card .sub { font-size: 12px; color: var(--text-2); margin-bottom: 10px; }
.card .num { font-size: 26px; font-weight: 700; color: var(--primary-dark); }
.card .num small { font-size: 12px; font-weight: 400; color: var(--text-2); }
.section { margin-top: 24px; }
.section > h2 { font-size: 17px; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.section > h2 .req { font-size: 11px; font-weight: 400; color: var(--text-2); }

/* ===== 标签/徽章 ===== */
.badge {
  display: inline-block; padding: 2px 8px; border-radius: 999px;
  font-size: 11px; font-weight: 500;
}
.badge.ok { background: #d1fae5; color: var(--success); }
.badge.warn { background: #fef3c7; color: var(--warning); }
.badge.err { background: #ffe4e6; color: var(--danger); }
.badge.info { background: #e0f2fe; color: var(--info); }
.badge.gray { background: #f5f5f4; color: var(--text-2); }
.badge.pri { background: var(--primary-100); color: var(--primary-dark); }
.tag {
  display: inline-block; padding: 2px 8px; margin: 2px 4px 2px 0;
  border: 1px solid var(--border-strong); border-radius: 6px;
  font-size: 11px; color: var(--text-2); background: #fff;
}

/* ===== 表格 ===== */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 9px 10px; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--text-2); font-weight: 600; font-size: 12px; background: var(--primary-50); }
tr:hover td { background: var(--primary-50); }

/* ===== 按钮 ===== */
.btn {
  display: inline-block; padding: 8px 16px; border-radius: 8px;
  font-size: 13px; font-weight: 500; cursor: pointer; border: none;
  background: var(--primary); color: #fff;
  transition: all .15s;
}
.btn:hover { background: var(--primary-dark); transform: translateY(-1px); }
.btn.ghost { background: rgba(255,255,255,0.7); color: var(--text); border: 1px solid var(--border-strong); }
.btn.ghost:hover { background: var(--primary-50); border-color: var(--primary-200); color: var(--primary-dark); }
.btn.sm { padding: 4px 10px; font-size: 12px; }

/* ===== 步骤/状态机 ===== */
.steps { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: 12px; }
.steps .step {
  padding: 5px 12px; border-radius: 999px; background: #f5f5f4; color: var(--text-2);
}
.steps .step.done { background: #d1fae5; color: var(--success); }
.steps .step.cur { background: var(--primary); color: #fff; font-weight: 600; }
.steps .arrow { color: var(--text-3); }

/* ===== 进度条 ===== */
.bar { height: 8px; background: #f5f5f4; border-radius: 999px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--primary); border-radius: 999px; }
.bar i.ok { background: var(--success); }
.bar i.warn { background: var(--warning); }

/* ===== 门户 Hero ===== */
.hero {
  background: linear-gradient(135deg, #f97316 0%, #ea580c 50%, #c2410c 100%);
  color: #fff; border-radius: var(--radius); padding: 40px 36px; margin-bottom: 24px;
  box-shadow: 0 8px 32px rgba(234, 88, 12, 0.2);
}
.hero h1 { font-size: 28px; margin-bottom: 8px; }
.hero p { opacity: .92; font-size: 14px; max-width: 640px; }
.hero .btn { background: rgba(255,255,255,0.9); color: var(--primary-dark); }
.hero .btn:hover { background: #fff; }
.hero .btn.ghost { background: rgba(255,255,255,0.15); color: #fff; border: 1px solid rgba(255,255,255,0.3); }
.hero .btn.ghost:hover { background: rgba(255,255,255,0.25); }
.entry-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: -20px; }
@media (max-width: 800px) { .entry-cards { grid-template-columns: 1fr; } }
.entry-card {
  background: var(--card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius); padding: 22px;
  border: 1px solid var(--border); box-shadow: var(--shadow-lg);
}
.entry-card h3 { font-size: 16px; margin-bottom: 6px; }
.entry-card p { font-size: 12px; color: var(--text-2); margin-bottom: 12px; }

/* ===== 政府端暗色顶栏 + 侧边栏 ===== */
.gov .topnav { background: #1c1410; border-bottom-color: #3a2a1e; }
.gov .topnav .brand { color: #f5f5f4; }
.gov .topnav .brand span { color: var(--primary-light); }
.gov .topnav .role-badge { background: #422006; color: #fbbf24; border-color: #92400e; }
.gov .topnav .muted { color: #a8a29e; }
.gov .topnav .muted:hover { color: var(--primary-light); }
.gov .sidebar { background: #1c1410; border-right-color: #3a2a1e; }
.gov .sidebar-head { border-bottom-color: #3a2a1e; }
.gov .sidebar-head .brand { color: #f5f5f4; }
.gov .sidebar-head .brand span { color: var(--primary-light); }
.gov .nav-group-title { color: #78716c; }
.gov .sidebar-nav a { color: #d6d3d1; }
.gov .sidebar-nav a:hover { background: #2a1f18; color: #fff; }
.gov .sidebar-nav a.active { background: #2a1f18; color: var(--primary-light); border-left-color: var(--primary); }
.gov-banner {
  background: #1c1410; color: #e7e5e4; border-radius: var(--radius);
  padding: 18px 22px; margin-bottom: 20px; font-size: 13px;
  display: flex; gap: 10px; align-items: center;
}
.gov-banner .badge { background: var(--primary); color: #fff; font-weight: 700; }

/* ===== 其他 ===== */
.notice {
  border-left: 3px solid var(--primary); background: var(--primary-50);
  padding: 10px 14px; border-radius: 0 8px 8px 0; font-size: 12px; color: var(--primary-dark);
}
.muted { color: var(--text-2); font-size: 12px; }
.list { list-style: none; }
.list li { padding: 8px 0; border-bottom: 1px dashed var(--border); font-size: 13px; display: flex; justify-content: space-between; gap: 10px; }
.list li:last-child { border-bottom: none; }
.flow { font-size: 12px; color: var(--text-2); }
.two-col { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; } }
.footer { text-align: center; color: var(--text-3); font-size: 12px; padding: 24px 0; }

/* ===== 弹窗 ===== */
.modal-mask {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(28, 20, 16, 0.5);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center; padding: 16px;
}
.modal {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-width: 560px; width: 100%; max-height: 85vh; overflow: auto;
  padding: 20px 22px; box-shadow: 0 20px 50px rgba(0,0,0,.25);
}
.modal h3 { font-size: 16px; margin-bottom: 12px; }
.modal .modal-body { font-size: 13px; }
.modal .modal-foot { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }
.modal .close-x { float: right; cursor: pointer; color: var(--text-2); font-size: 18px; line-height: 1; }

/* ===== 表单 ===== */
.field { margin-bottom: 12px; }
.field label { display: block; font-size: 12px; color: var(--text-2); margin-bottom: 4px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border-strong);
  border-radius: 8px; font-size: 13px; font-family: inherit; background: rgba(255,255,255,0.8);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-100);
}
.field textarea { min-height: 72px; resize: vertical; }
.checks label { display: flex; gap: 8px; align-items: center; font-size: 13px; padding: 4px 0; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* ===== Toast ===== */
#toasts { position: fixed; bottom: 20px; right: 20px; z-index: 300; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: #1c1410; color: #fff; padding: 10px 16px; border-radius: 8px;
  font-size: 13px; box-shadow: 0 6px 18px rgba(0,0,0,.2);
  animation: tin .2s ease-out; max-width: 320px;
}
.toast.ok { border-left: 3px solid var(--success); }
.toast.warn { border-left: 3px solid var(--warning); }
.toast.err { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--info); }
@keyframes tin { from { transform: translateY(8px); opacity: 0; } to { transform: none; opacity: 1; } }

.btn.danger { background: var(--danger); }
.btn.danger:hover { background: #be123c; }
.btn.ok { background: var(--success); }
.btn.ok:hover { background: #047857; }

/* ===== 甘特图（REQ-036） ===== */
.gantt { font-size: 12px; }
.gantt-row { display: grid; grid-template-columns: 180px 1fr; gap: 10px; align-items: center; padding: 5px 0; }
.gantt-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text-2); }
.gantt-axis { position: relative; height: 16px; margin-bottom: 2px; }
.gantt-axis span { position: absolute; transform: translateX(-50%); font-size: 10px; color: var(--text-2); }
.gantt-track {
  position: relative; height: 24px; border-radius: 4px;
  background: repeating-linear-gradient(90deg, #f5f5f4 0 1px, transparent 1px calc(100% / 20));
}
.gantt-bar {
  position: absolute; top: 4px; height: 16px; border-radius: 8px;
  background: var(--primary); color: #fff; font-size: 10px; line-height: 16px;
  padding: 0 8px; white-space: nowrap; overflow: hidden;
}
.gantt-bar.ok { background: var(--success); }
.gantt-bar.warn { background: var(--warning); }
.gantt-bar.err { background: var(--danger); }
.gantt-today { position: absolute; top: -2px; bottom: -2px; width: 2px; background: var(--danger); opacity: .6; }

/* ===== 转化漏斗（REQ-097） ===== */
.funnel-row { display: flex; align-items: center; gap: 12px; padding: 6px 0; font-size: 13px; }
.funnel-stage { width: 90px; color: var(--text-2); flex-shrink: 0; }
.funnel-bar {
  height: 28px; border-radius: 6px; background: var(--primary); color: #fff;
  display: flex; align-items: center; padding: 0 10px; font-size: 12px; min-width: 60px;
}
.funnel-conv { color: var(--text-2); font-size: 11px; margin-left: auto; }

/* ===== 展览大屏（REQ-118 · 暖橙暗色） ===== */
.screen { background: #1a1410; color: #e7e5e4; }
.screen .sidebar, .screen .topnav { display: none !important; }
.screen { padding-left: 0 !important; }
.screen .container { max-width: 1400px; }
.screen .card {
  background: rgba(42, 31, 24, 0.6);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-color: #3a2a1e; color: #e7e5e4;
}
.screen .card h3 { color: #a8a29e; }
.screen .num { color: var(--primary-light); font-size: 32px; }
.screen .muted, .screen .page-sub { color: #78716c; }
.screen table th { background: #2a1f18; color: #a8a29e; }
.screen td { border-bottom-color: #3a2a1e; }
.screen tr:hover td { background: #2a1f18; }
.screen .footer { color: #57534e; }
.screen .bar { background: #3a2a1e; }
.screen .bar i { background: var(--primary-light); }
.screen-hero { text-align: center; padding: 20px 0 8px; }
.screen-hero h1 { font-size: 26px; letter-spacing: 4px; color: var(--primary-light); }
.screen-hero p { color: #78716c; font-size: 13px; }
.ticker-wrap { overflow: hidden; background: #2a1f18; border: 1px solid #3a2a1e; border-radius: var(--radius); padding: 10px 0; }
.ticker { display: flex; gap: 48px; white-space: nowrap; animation: tick 24s linear infinite; font-size: 13px; color: var(--primary-light); }
@keyframes tick { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.screen .funnel-bar { background: var(--primary); }
.screen .badge.pri { background: rgba(249, 115, 22, 0.2); color: var(--primary-light); }

/* ===== 打印（政府报告） ===== */
@media print {
  .topnav, .sidebar, .btn, .footer, #toasts, .no-print { display: none !important; }
  body { padding-left: 0 !important; background: #fff; }
  .card { background: #fff; box-shadow: none; border: 1px solid #999; break-inside: avoid; backdrop-filter: none; }
}