:root {
  --bg-paper: #FAF8F5;        /* 米白新闻纸底色 */
  --bg-tint: #F1EDE6;         /* 浅暖灰分隔背景 */
  --bg-white: #FFFFFF;
  --navy-deep: #10243E;       /* 权威深蓝主色 */
  --navy-mid: #1B365D;
  --ink-black: #1A1A1A;       /* 正文炭黑 */
  --ink-muted: #595959;       /* 注释灰 */
  --accent-crimson: #D9381E;  /* 重点数据强调绯红/橙红 */
  --border-rule: #DCD6CC;     /* 报纸分割线 */
  --font-serif: 'Noto Serif SC', Georgia, serif;
  --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-paper);
  color: var(--ink-black);
  font-family: var(--font-sans);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

.editorial-container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.narrow-text {
  max-width: 780px;
}

/* 顶部固定导航栏 */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(16, 36, 62, 0.97);
  color: #fff;
  border-bottom: 2px solid var(--accent-crimson);
  padding: 10px 24px;
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.brand-tag {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}

.badge-live {
  background: var(--accent-crimson);
  color: #fff;
  font-weight: 700;
  padding: 2px 7px;
  letter-spacing: 0.06em;
  font-size: 11px;
}

.series-name {
  color: #E0E6ED;
  font-weight: 500;
}

.data-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.status-badge {
  font-size: 12px;
  padding: 3px 8px;
  border: 1px solid rgba(255,255,255,0.3);
}

.status-badge.demo-mode {
  background: rgba(217, 56, 30, 0.2);
  border-color: #FF7A66;
  color: #FFD2CC;
}

.status-badge.real-mode {
  background: rgba(46, 107, 98, 0.35);
  border-color: #6EE7B7;
  color: #D1FAE5;
}

.btn-editorial {
  font-size: 12px;
  padding: 5px 12px;
  cursor: pointer;
  border: 1px solid transparent;
  font-family: var(--font-sans);
  transition: all 0.2s;
  display: inline-block;
}

.btn-primary {
  background: var(--accent-crimson);
  color: #fff;
  font-weight: 600;
}

.btn-primary:hover {
  background: #B82B14;
}

.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
}

.btn-ghost {
  background: transparent;
  color: #CBD5E1;
}

.btn-ghost:hover {
  color: #fff;
  text-decoration: underline;
}

/* 第一部分：新闻头版 Hero */
.hero-section {
  padding: 72px 0 64px;
  border-bottom: 1px solid var(--border-rule);
  background: linear-gradient(180deg, #F4F0E8 0%, var(--bg-paper) 100%);
}

.kicker {
  color: var(--accent-crimson);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.news-headline {
  font-family: var(--font-serif);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 900;
  line-height: 1.2;
  color: var(--navy-deep);
  margin-bottom: 18px;
}

.news-headline .accent-text {
  color: var(--accent-crimson);
}

.news-subtitle {
  font-size: clamp(17px, 2.2vw, 22px);
  color: var(--ink-muted);
  font-weight: 400;
  max-width: 820px;
  margin-bottom: 24px;
}

.meta-byline {
  font-size: 13px;
  color: var(--ink-muted);
  padding: 12px 0;
  border-top: 1px solid var(--border-rule);
  border-bottom: 1px solid var(--border-rule);
  margin-bottom: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.lead-paragraph {
  max-width: 780px;
  font-size: 17px;
  line-height: 1.9;
  color: var(--ink-black);
}

.lead-paragraph p + p {
  margin-top: 16px;
}

.scroll-cue {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  margin-top: 40px;
  text-decoration: none;
  color: var(--navy-deep);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.scroll-line {
  width: 48px;
  height: 2px;
  background: var(--accent-crimson);
  margin-top: 8px;
  transition: width 0.3s;
}

.scroll-cue:hover .scroll-line {
  width: 96px;
}

/* 吸顶筛选控制台 */
.sticky-filter-bar {
  position: sticky;
  top: 47px;
  z-index: 90;
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-rule);
  padding: 12px 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.filter-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--navy-deep);
}

.year-buttons {
  display: flex;
  border: 1px solid var(--navy-deep);
}

.year-btn {
  background: transparent;
  border: none;
  border-right: 1px solid var(--navy-deep);
  padding: 5px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  color: var(--navy-deep);
  transition: all 0.15s;
}

.year-btn:last-child {
  border-right: none;
}

.year-btn.active,
.year-btn:hover {
  background: var(--navy-deep);
  color: #fff;
}

.editorial-select {
  padding: 6px 10px;
  border: 1px solid var(--border-rule);
  background: var(--bg-paper);
  font-size: 13px;
  color: var(--ink-black);
  font-family: var(--font-sans);
}

/* 章节通用样式 */
.article-section {
  padding: 64px 0;
  border-bottom: 1px solid var(--border-rule);
}

.bg-tint {
  background-color: var(--bg-tint);
}

.section-header {
  margin-bottom: 36px;
  max-width: 800px;
}

.section-num {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-crimson);
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3.2vw, 34px);
  color: var(--navy-deep);
  line-height: 1.3;
  margin-bottom: 10px;
}

.section-desc {
  font-size: 15px;
  color: var(--ink-muted);
}

/* KPI 大数字看板（报纸数据栏风格，非圆角卡片） */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  border-top: 2px solid var(--navy-deep);
  border-bottom: 2px solid var(--navy-deep);
  background: var(--bg-white);
  margin-bottom: 36px;
}

.kpi-box {
  padding: 22px 24px;
  border-right: 1px solid var(--border-rule);
}

.kpi-box:last-child {
  border-right: none;
}

.kpi-label {
  font-size: 13px;
  color: var(--ink-muted);
  font-weight: 500;
  margin-bottom: 8px;
}

.kpi-value {
  font-family: var(--font-serif);
  font-size: 34px;
  font-weight: 900;
  color: var(--navy-deep);
  line-height: 1.1;
  margin-bottom: 8px;
}

.kpi-value.text-val {
  font-size: 24px;
  padding-top: 6px;
}

.kpi-value small {
  font-size: 14px;
  font-weight: 500;
  margin-left: 4px;
  color: var(--ink-muted);
}

.kpi-sub {
  font-size: 12px;
  color: var(--ink-muted);
}

.accent-num {
  color: var(--accent-crimson);
}

/* 图表容器 */
.charts-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

@media (max-width: 900px) {
  .charts-two-col {
    grid-template-columns: 1fr;
  }
  .kpi-box {
    border-right: none;
    border-bottom: 1px solid var(--border-rule);
  }
}

.chart-frame {
  background: var(--bg-white);
  border: 1px solid var(--border-rule);
  border-top: 3px solid var(--navy-deep);
  padding: 22px;
}

.chart-header h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--navy-deep);
  margin-bottom: 4px;
}

.chart-caption {
  font-size: 12px;
  color: var(--ink-muted);
  margin-bottom: 14px;
}

.echarts-canvas {
  width: 100%;
  height: 360px;
}

.tall-canvas {
  height: 480px;
}

.chart-footer {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--border-rule);
  font-size: 12px;
  color: var(--ink-muted);
}

/* 排行榜工具条 */
.ranking-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 18px;
}

.sort-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.sort-btn {
  padding: 6px 14px;
  border: 1px solid var(--navy-deep);
  background: var(--bg-white);
  color: var(--navy-deep);
  font-size: 13px;
  cursor: pointer;
}

.sort-btn.active {
  background: var(--accent-crimson);
  border-color: var(--accent-crimson);
  color: #fff;
  font-weight: 600;
}

.legend-types {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 13px;
}

.type-dot {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.type-dot i {
  width: 12px;
  height: 12px;
  display: inline-block;
}

/* 方法论声明框 */
.methodology-callout {
  background: var(--bg-white);
  border-left: 4px solid var(--accent-crimson);
  border-top: 1px solid var(--border-rule);
  border-right: 1px solid var(--border-rule);
  border-bottom: 1px solid var(--border-rule);
  padding: 20px 24px;
  margin-bottom: 32px;
  font-size: 14px;
}

.callout-title {
  font-weight: 700;
  color: var(--navy-deep);
  margin-bottom: 6px;
  font-size: 15px;
}

.methodology-callout code {
  background: #F1EDE6;
  padding: 2px 5px;
  font-family: monospace;
  color: var(--accent-crimson);
}

/* 第五部分：政策时间轴 */
.timeline-nav {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--navy-deep);
  background: var(--bg-white);
}

@media (max-width: 768px) {
  .timeline-nav {
    grid-template-columns: 1fr;
  }
}

.timeline-node {
  padding: 18px 14px;
  border: none;
  border-right: 1px solid var(--border-rule);
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s;
}

.timeline-node:last-child {
  border-right: none;
}

.timeline-node .node-year {
  display: block;
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 900;
  color: var(--navy-deep);
}

.timeline-node .node-tag {
  display: block;
  font-size: 12px;
  color: var(--ink-muted);
  margin-top: 4px;
}

.timeline-node.active {
  background: var(--navy-deep);
}

.timeline-node.active .node-year {
  color: #fff;
}

.timeline-node.active .node-tag {
  color: #FF9E8E;
}

.policy-detail-card {
  background: var(--bg-white);
  border: 1px solid var(--navy-deep);
  border-top: none;
  padding: 28px 32px;
}

.policy-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: var(--ink-muted);
  margin-bottom: 12px;
}

.policy-title-main {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--navy-deep);
  margin-bottom: 14px;
}

.policy-grid-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--border-rule);
}

@media (max-width: 768px) {
  .policy-grid-info {
    grid-template-columns: 1fr;
  }
}

.policy-box h4 {
  font-size: 14px;
  color: var(--accent-crimson);
  margin-bottom: 6px;
}

.policy-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 13px;
  color: var(--navy-deep);
  font-weight: 600;
  text-decoration: underline;
}

/* 第六部分：15所高校档案索引网格 */
.uni-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.uni-index-card {
  background: var(--bg-white);
  border: 1px solid var(--border-rule);
  border-top: 3px solid var(--navy-deep);
  padding: 18px;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s;
}

.uni-index-card:hover {
  transform: translateY(-2px);
  border-top-color: var(--accent-crimson);
}

.u-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.u-card-name {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--navy-deep);
}

.u-card-badge {
  font-size: 11px;
  padding: 2px 6px;
  color: #fff;
}

.u-card-metrics {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--ink-muted);
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--border-rule);
}

/* 第七部分：结语 */
.conclusion-section {
  background: var(--navy-deep);
  color: #F4F0E8;
  padding: 72px 0;
}

.section-num.light {
  color: #FF8A75;
}

.conclusion-title {
  font-family: var(--font-serif);
  font-size: 32px;
  margin-bottom: 24px;
  color: #fff;
}

.conclusion-body p {
  font-size: 17px;
  line-height: 1.95;
  color: #E2E8F0;
  margin-bottom: 18px;
}

.colophon {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.2);
  font-size: 13px;
  color: #94A3B8;
}

/* 弹窗 Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 20, 35, 0.75);
  z-index: 999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.open {
  display: flex;
}

.modal-dialog {
  background: var(--bg-paper);
  width: 100%;
  max-width: 780px;
  max-height: 90vh;
  overflow-y: auto;
  border-top: 5px solid var(--accent-crimson);
  padding: 28px 32px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 1px solid var(--border-rule);
  padding-bottom: 14px;
  margin-bottom: 18px;
}

.modal-type-badge {
  display: inline-block;
  background: var(--navy-deep);
  color: #fff;
  font-size: 11px;
  padding: 2px 8px;
  margin-bottom: 6px;
}

.modal-header h2 {
  font-family: var(--font-serif);
  font-size: 26px;
  color: var(--navy-deep);
}

.modal-close {
  background: none;
  border: none;
  font-size: 30px;
  line-height: 1;
  cursor: pointer;
  color: var(--ink-muted);
}

.modal-intro {
  font-size: 14px;
  color: var(--ink-black);
  margin-bottom: 18px;
}

.modal-kpi-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--bg-white);
  border: 1px solid var(--border-rule);
  margin-bottom: 20px;
}

.m-kpi {
  padding: 14px;
  border-right: 1px solid var(--border-rule);
}

.m-kpi:last-child {
  border-right: none;
}

.m-kpi span {
  display: block;
  font-size: 12px;
  color: var(--ink-muted);
}

.m-kpi strong {
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--navy-deep);
}

.modal-chart-box {
  background: var(--bg-white);
  border: 1px solid var(--border-rule);
  padding: 16px;
  margin-bottom: 18px;
}

.modal-chart-box h4 {
  font-size: 14px;
  color: var(--navy-deep);
  margin-bottom: 8px;
}

.modal-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 14px;
}

.info-block {
  background: var(--bg-white);
  border: 1px solid var(--border-rule);
  padding: 14px;
  font-size: 13px;
}

.info-block h5 {
  color: var(--accent-crimson);
  font-size: 13px;
  margin-bottom: 6px;
}

.modal-source {
  font-size: 12px;
  color: var(--ink-muted);
}