/* ============== 头程全链路 V3.2 - 高对比度 + 流程图美化 ============== */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #1e3a8a;
  --primary-light: #2563eb;
  --primary-dark: #1e293b;
  --success: #047857;
  --warning: #b45309;
  --urgent: #c2410c;
  --critical: #b91c1c;
  --info: #1d4ed8;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-500: #475569;
  --gray-700: #334155;
  --gray-900: #0f172a;
  --bg: #f5f6f8;
  --text: #0f172a;
  --text-muted: #475569;
}

html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  padding: 0;
  margin: 0;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== 顶部 Banner ===== */
.topbar {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #2563eb 100%);
  color: #fff;
  padding: 28px 48px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.25);
}
.topbar h1 { font-size: 22px; font-weight: 700; letter-spacing: 0.3px; color: #ffffff; text-shadow: 0 2px 6px rgba(0,0,0,0.3); }
.topbar h1.xxl { font-size: 32px; font-weight: 800; letter-spacing: 1px; color: #ffffff; text-shadow: 0 2px 8px rgba(0,0,0,0.4); }
.topbar .meta { font-size: 13px; opacity: 0.95; margin-top: 6px; color: #e2e8f0; }

/* ===== 面包屑 ===== */
.breadcrumb {
  background: #fff;
  padding: 14px 48px;
  font-size: 13px;
  color: var(--gray-500);
  border-bottom: 1px solid var(--gray-200);
}
.breadcrumb a { color: var(--primary-light); text-decoration: none; font-weight: 600; }
.breadcrumb a:hover { text-decoration: underline; }

.container {
  max-width: 1200px;
  margin: 24px auto;
  background: #fff;
  padding: 40px 56px;
  min-height: calc(100vh - 200px);
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.05);
}

/* ===== 标题 ===== */
h1 {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary-dark);
  margin: 24px 0 16px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--primary-light);
  display: inline-block;
}
h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary-dark);
  margin: 32px 0 16px;
  padding-left: 14px;
  border-left: 5px solid var(--primary-light);
}
h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--gray-900);
  margin: 24px 0 12px;
}
h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-900);
  margin: 16px 0 8px;
}

/* ===== 引用 ===== */
blockquote {
  background: linear-gradient(90deg, #eff6ff 0%, #dbeafe 100%);
  border-left: 5px solid var(--primary-light);
  padding: 16px 20px;
  margin: 16px 0;
  border-radius: 6px;
  font-size: 14px;
  color: var(--gray-900);
}
blockquote b { color: var(--primary); }

/* ===== 段落 ===== */
p { margin: 12px 0; color: var(--gray-900); }
ul, ol { margin: 12px 0; padding-left: 24px; }
li { margin: 6px 0; color: var(--gray-900); }
li::marker { color: var(--primary-light); font-weight: 700; }

a { color: var(--primary-light); text-decoration: none; }
a:hover { text-decoration: underline; color: var(--primary); }

strong { color: var(--primary); font-weight: 700; }
em { color: var(--gray-700); }

/* ===== 表格(高对比度) ===== */
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 20px 0;
  font-size: 14px;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
  border: 1px solid var(--gray-200);
}
th {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
  color: #ffffff;
  padding: 14px 16px;
  text-align: left;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.3px;
}
td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-200);
  color: var(--gray-900);
  vertical-align: top;
}
tr:last-child td { border-bottom: none; }
tr:nth-child(even) { background: var(--gray-50); }
tr:hover { background: #eff6ff; }

/* ===== 仪表盘网格(5 个,不是 6 个) ===== */
.dash-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin: 24px 0;
}
.dash-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-left: 4px solid var(--primary-light);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  transition: all 0.2s;
}
.dash-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(30, 58, 138, 0.1);
  border-left-color: var(--primary);
}
.dash-card .label {
  font-size: 12px;
  color: var(--gray-500);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}
.dash-card .value {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}
.dash-card .value.good { color: var(--success); }
.dash-card .value.warn { color: var(--warning); }
.dash-card .value.bad { color: var(--critical); }
.dash-card .sub {
  font-size: 12px;
  color: var(--gray-700);
  margin-top: 8px;
  font-weight: 500;
}

/* ===== 角色卡 ===== */
.role-card {
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
  border: 1px solid #bae6fd;
  border-left: 5px solid var(--primary-light);
  border-radius: 10px;
  padding: 20px;
  margin: 16px 0;
}
.role-card h3 { color: var(--primary); margin-top: 0; }

/* ===== 推送模板(高对比深色) ===== */
.push-template {
  background: #1e293b;
  color: #e2e8f0;
  border-left: 5px solid #38bdf8;
  padding: 16px 20px;
  margin: 12px 0;
  border-radius: 0 8px 8px 0;
  font-family: 'Courier New', monospace;
  font-size: 13px;
  white-space: pre-wrap;
  line-height: 1.7;
}

/* ===== 严重度色块(高对比) ===== */
.level {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 14px;
  font-size: 12px;
  font-weight: 700;
  margin: 0 4px;
  letter-spacing: 0.3px;
}
.level-info { background: #dbeafe; color: #1e3a8a; border: 1px solid #93c5fd; }
.level-warning { background: #fef3c7; color: #78350f; border: 1px solid #fcd34d; }
.level-urgent { background: #fed7aa; color: #7c2d12; border: 1px solid #fb923c; }
.level-critical { background: #fecaca; color: #7f1d1d; border: 1px solid #f87171; }
.level-blue { background: #c7d2fe; color: #312e81; border: 1px solid #818cf8; }
.level-success { background: #d1fae5; color: #064e3b; border: 1px solid #6ee7b7; }

/* ===== KPI 大字 ===== */
.kpi-big {
  font-size: 48px;
  font-weight: 800;
  color: var(--primary);
  text-align: center;
  margin: 16px 0;
  line-height: 1;
}
.kpi-big .unit { font-size: 16px; color: var(--gray-500); font-weight: 500; }

/* ===== 流程图(高对比 SVG 风格) ===== */
.flow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0;
  padding: 20px;
  background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 100%);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
}
.step {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #ffffff;
  padding: 12px 18px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 2px 6px rgba(30, 58, 138, 0.2);
}
.step.success { background: linear-gradient(135deg, #047857 0%, #10b981 100%); }
.step.warn { background: linear-gradient(135deg, #b45309 0%, #f59e0b 100%); }
.step.danger { background: linear-gradient(135deg, #b91c1c 0%, #ef4444 100%); }
.step.neutral { background: linear-gradient(135deg, #475569 0%, #64748b 100%); }
.arrow {
  color: var(--primary-light);
  font-weight: 800;
  font-size: 18px;
}

/* ===== 任务卡片导航(可点击 + 强调) ===== */
.task-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  margin: 24px 0;
}
.task-card {
  background: #fff;
  border: 2px solid var(--gray-200);
  border-radius: 12px;
  padding: 24px;
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
  display: block;
  text-decoration: none !important;
  color: inherit !important;
  cursor: pointer;
}
.task-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: var(--primary-light);
  transition: width 0.25s;
}
.task-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(30, 58, 138, 0.15);
  border-color: var(--primary-light);
  text-decoration: none !important;
}
.task-card:hover::before { width: 8px; }
.task-card .num {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}
.task-card h3 {
  color: var(--primary-dark);
  font-size: 17px;
  margin: 0 0 8px 0;
  border: none;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.task-card .icon {
  font-size: 22px;
}
.task-card .meta {
  font-size: 12px;
  color: var(--gray-500);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}
.task-card .desc {
  font-size: 13px;
  color: var(--gray-700);
  line-height: 1.6;
  margin-bottom: 12px;
}
.task-card .go {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-light);
  font-weight: 700;
  font-size: 13px;
  margin-top: 8px;
}
.task-card:hover .go { gap: 10px; transition: gap 0.2s; }

/* 类别颜色:核心/团队/管理/技术 */
.task-card.cat-core::before { background: linear-gradient(180deg, #dc2626 0%, #f59e0b 100%); }
.task-card.cat-core .num { background: linear-gradient(135deg, #dc2626 0%, #f59e0b 100%); }
.task-card.cat-team::before { background: linear-gradient(180deg, #7c3aed 0%, #c084fc 100%); }
.task-card.cat-team .num { background: linear-gradient(135deg, #7c3aed 0%, #c084fc 100%); }
.task-card.cat-mgmt::before { background: linear-gradient(180deg, #0891b2 0%, #06b6d4 100%); }
.task-card.cat-mgmt .num { background: linear-gradient(135deg, #0891b2 0%, #06b6d4 100%); }
.task-card.cat-tech::before { background: linear-gradient(180deg, #047857 0%, #10b981 100%); }
.task-card.cat-tech .num { background: linear-gradient(135deg, #047857 0%, #10b981 100%); }
.task-card.cat-ai::before { background: linear-gradient(180deg, #db2777 0%, #f472b6 100%); }
.task-card.cat-ai .num { background: linear-gradient(135deg, #db2777 0%, #f472b6 100%); }

/* ===== 详情/折叠 ===== */
details {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  padding: 12px 16px;
  margin: 12px 0;
}
details summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--primary);
  padding: 4px 0;
  font-size: 14px;
}
details summary:hover { color: var(--primary-light); }
details[open] { background: #fff; box-shadow: 0 2px 8px rgba(0,0,0,0.04); }
details p { margin: 8px 0; font-size: 14px; }

/* ===== 代码块 ===== */
code {
  background: #f1f5f9;
  color: #be123c;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
  font-size: 13px;
  font-weight: 600;
}
pre {
  background: #0f172a;
  color: #e2e8f0;
  padding: 18px 22px;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.7;
  margin: 16px 0;
  border: 1px solid #1e293b;
}
pre code {
  background: transparent;
  color: inherit;
  padding: 0;
  font-size: inherit;
  font-weight: 400;
}

/* ===== SVG 流程图容器 ===== */
.svg-flow {
  display: block;
  margin: 24px auto;
  max-width: 100%;
  height: auto;
}

/* ===== 范例块(高对比绿色) ===== */
.example-box {
  background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
  border: 2px solid #10b981;
  border-radius: 12px;
  padding: 20px 24px;
  margin: 20px 0;
}
.example-box .ex-label {
  display: inline-block;
  background: var(--success);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 4px;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}
.example-box pre {
  background: #0f172a;
  color: #e2e8f0;
  margin: 8px 0 0 0;
}

/* ===== 警告块 ===== */
.warn-box {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  border: 2px solid #f59e0b;
  border-radius: 12px;
  padding: 16px 20px;
  margin: 16px 0;
  color: #78350f;
}
.warn-box .warn-label {
  display: inline-block;
  background: var(--warning);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 4px;
  margin-right: 8px;
  letter-spacing: 0.5px;
}

/* ===== 重点事项(数字标号) ===== */
.focus-list {
  list-style: none;
  padding: 0;
  margin: 12px 0;
}
.focus-list li {
  position: relative;
  padding: 12px 16px 12px 56px;
  margin: 8px 0;
  background: linear-gradient(90deg, #fef3c7 0%, #fff 100%);
  border: 1px solid #fde68a;
  border-radius: 8px;
  color: var(--gray-900);
  font-size: 14px;
  line-height: 1.6;
}
.focus-list li::before {
  content: attr(data-num);
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--warning);
  color: #fff;
  font-weight: 800;
  font-size: 14px;
  width: 32px;
  height: 32px;
  line-height: 32px;
  text-align: center;
  border-radius: 50%;
}

/* ===== 责任人卡 ===== */
.owner-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin: 16px 0;
}
.owner-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-left: 4px solid var(--primary);
  border-radius: 8px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.owner-card .avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  font-weight: 800;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.owner-card .info { flex: 1; }
.owner-card .name { font-weight: 700; color: var(--gray-900); font-size: 14px; }
.owner-card .role { font-size: 12px; color: var(--gray-500); margin-top: 2px; }

/* ===== 异常类型色块 ===== */
.exc-tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  margin: 2px;
}
.exc-tag.delay { background: #fed7aa; color: #7c2d12; }
.exc-tag.damage { background: #fecaca; color: #7f1d1d; }
.exc-tag.cost { background: #fef3c7; color: #78350f; }
.exc-tag.docs { background: #c7d2fe; color: #312e81; }
.exc-tag.compliance { background: #fbcfe8; color: #831843; }

/* ===== Mermaid 兼容 ===== */
.mermaid { background: #fff; padding: 20px; border-radius: 8px; margin: 16px 0; text-align: center; }

/* ===== 页脚 ===== */
.footer {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
  color: #ffffff;
  padding: 28px 48px;
  text-align: center;
  font-size: 13px;
  border-radius: 12px;
  margin-top: 40px;
}
.footer a { color: #38bdf8; font-weight: 700; text-decoration: underline; }
.footer a:hover { color: #fef3c7; }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .topbar { padding: 16px 20px; }
  .topbar h1 { font-size: 17px; }
  .topbar .meta { font-size: 12px; }
  .breadcrumb { padding: 10px 20px; }
  .container { padding: 24px 20px; margin: 12px; }
  h1 { font-size: 22px; }
  h2 { font-size: 18px; }
  .dash-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .dash-card { padding: 14px 8px; }
  .dash-card .value { font-size: 24px; }
  .task-grid { grid-template-columns: 1fr; }
  table { font-size: 12px; }
  th, td { padding: 8px 10px; }
  .kpi-big { font-size: 36px; }
  .flow { padding: 12px; }
  .step { padding: 8px 12px; font-size: 12px; }
  .owner-list { grid-template-columns: 1fr; }
}

/* ===== 打印友好 ===== */
@media print {
  .topbar, .breadcrumb, .footer { display: none; }
  .container { box-shadow: none; padding: 0; max-width: 100%; }
  table { page-break-inside: avoid; }
  h2 { page-break-after: avoid; }
}