/* ========================================
   天津东兴实业集团官网 - 组件样式库
   ======================================== */

@import url('layout.css');

/* ===== 通用区块 ===== */
.section {
  padding: var(--spacing-4xl) var(--spacing-md);
  background-color: var(--color-background-white);
}

.section--tight {
  padding: var(--spacing-3xl) var(--spacing-md);
}

.section--dark {
  background: linear-gradient(135deg, #060b1a 0%, #0f1b3a 40%, #182d63 100%);
  color: var(--color-text-light);
}

.section--gradient {
  background: linear-gradient(135deg, rgba(30, 58, 138, 0.06), rgba(46, 79, 215, 0.08));
}

.section-inner {
  max-width: var(--container-width-max);
  margin: 0 auto;
}

.section-header {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-3xl);
  text-align: center;
}

.section-header.section-header--left {
  text-align: left;
}

.section-title {
  font-size: var(--font-size-4xl);
  color: var(--color-primary);
}

.section--dark .section-title {
  color: var(--color-text-light);
}

.section-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-gray);
  max-width: 720px;
  margin: 0 auto;
  line-height: var(--line-height-relaxed);
}

.section--dark .section-subtitle {
  color: rgba(255, 255, 255, 0.8);
}

.section-actions {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* ===== 徽标与标签 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-full);
  background: rgba(30, 58, 138, 0.1);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: var(--font-weight-semibold);
}

.badge--gold {
  background: rgba(255, 215, 0, 0.12);
  color: var(--color-secondary-dark);
}

.live-indicator {
  display: inline-flex;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-secondary);
  position: relative;
}

.live-indicator::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid rgba(255, 215, 0, 0.65);
  animation: pulse 1.6s infinite ease-in-out;
}

@keyframes pulse {
  0% {
    transform: scale(0.9);
    opacity: 1;
  }
  70% {
    transform: scale(1.4);
    opacity: 0;
  }
  100% {
    transform: scale(0.9);
    opacity: 0;
  }
}

/* ===== 按钮 ===== */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--border-radius-full);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  letter-spacing: 0.02em;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-base);
}

.button--primary {
  background: linear-gradient(135deg, var(--color-secondary) 0%, #f4c430 100%);
  color: var(--color-primary);
  box-shadow: 0 10px 20px rgba(255, 215, 0, 0.25);
}

.button--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 35px rgba(255, 215, 0, 0.35);
}

.button--ghost {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-text-light);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.button--ghost:hover {
  background: rgba(255, 255, 255, 0.25);
  color: var(--color-secondary);
}

.button--outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid rgba(30, 58, 138, 0.35);
}

.button--outline:hover {
  color: var(--color-secondary);
  border-color: rgba(255, 215, 0, 0.6);
  transform: translateY(-2px);
}

.button-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

/* ===== 英雄区域 ===== */
.hero {
  position: relative;
  overflow: hidden;
  color: var(--color-text-light);
  background: radial-gradient(circle at 20% 20%, rgba(46, 79, 215, 0.35), transparent 55%), linear-gradient(120deg, #101935 0%, #14255e 40%, #2246a3 100%);
  padding: var(--spacing-5xl) var(--spacing-md) var(--spacing-4xl);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='1440' height='720' xmlns='http://www.w3.org/2000/svg'%3E%3Cdefs%3E%3ClinearGradient id='g1' x1='0' y1='0' x2='1' y2='1'%3E%3Cstop stop-color='%233657c4' stop-opacity='0.35' offset='0'/%3E%3Cstop stop-color='%23131f42' stop-opacity='0' offset='1'/%3E%3C/linearGradient%3E%3C/defs%3E%3Cg fill='none' stroke='url(%23g1)' stroke-width='0.8'%3E%3Cpath d='M-60 680 Q240 520 520 640 T1120 560 T1560 640'/%3E%3Cpath d='M-160 600 Q220 420 540 520 T1180 460 T1660 520'/%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.35;
  pointer-events: none;
}

.hero .section-inner {
  position: relative;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-3xl);
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.hero-title {
  font-size: clamp(2.75rem, 4vw, 3.5rem);
  line-height: 1.15;
  letter-spacing: 0.02em;
}

.hero-summary {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.hero-stat {
  min-width: 140px;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.hero-stat-value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-secondary);
}

.hero-stat-label {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-media {
  position: relative;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: 0 25px 45px rgba(6, 11, 26, 0.35);
  isolation: isolate;
}

.hero-media img,
.hero-media video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(17, 27, 54, 0.05) 0%, rgba(17, 27, 54, 0.65) 100%);
  pointer-events: none;
}

.video-trigger {
  position: absolute;
  left: var(--spacing-xl);
  bottom: var(--spacing-xl);
  backdrop-filter: blur(8px);
  border-radius: var(--border-radius-full);
  padding: var(--spacing-sm) var(--spacing-lg);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.16);
  color: var(--color-text-light);
  font-weight: var(--font-weight-semibold);
  border: 1px solid rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: all var(--transition-base);
}

.video-trigger span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 215, 0, 0.9);
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

.video-trigger:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.25);
}

.hero-ticker {
  margin-top: var(--spacing-3xl);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-lg);
  background: rgba(10, 18, 45, 0.55);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
}

/* ===== 内页头图 ===== */
.page-hero {
  position: relative;
  color: var(--color-text-light);
  background: linear-gradient(135deg, rgba(10, 18, 45, 0.92), rgba(30, 58, 138, 0.88));
  padding: var(--spacing-4xl) var(--spacing-md) var(--spacing-3xl);
  overflow: hidden;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 15% 20%, rgba(46, 79, 215, 0.22), transparent 55%);
  pointer-events: none;
}

.page-hero .section-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--spacing-xl);
}

.page-hero-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
}

.page-hero-breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
}

.page-hero-breadcrumb a:hover {
  color: var(--color-secondary);
}

.page-hero-title {
  font-size: clamp(2.25rem, 3vw, 2.75rem);
  letter-spacing: 0.02em;
}

.page-hero-summary {
  max-width: 840px;
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.78);
  line-height: var(--line-height-relaxed);
}

.hero-ticker-item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.hero-ticker-label {
  color: rgba(255, 255, 255, 0.65);
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-ticker-value {
  color: var(--color-text-light);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.hero-ticker-change {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-size-xs);
  color: #35d07f;
}

/* ===== 业务矩阵 ===== */
.matrix-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-xl);
}

.matrix-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-2xl) var(--spacing-xl);
  color: var(--color-text-light);
  min-height: 240px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  background: var(--card-gradient, linear-gradient(135deg, rgba(30, 58, 138, 0.95), rgba(10, 18, 45, 0.9)));
}

.matrix-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--card-image);
  background-size: cover;
  background-position: center;
  opacity: 0.35;
  transition: opacity var(--transition-base), transform var(--transition-base);
  z-index: 0;
}

.matrix-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 18, 45, 0.05) 0%, rgba(10, 18, 45, 0.85) 80%);
  z-index: 1;
}

.matrix-card:hover::before {
  transform: scale(1.05);
  opacity: 0.5;
}

.matrix-card-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.matrix-card-title {
  font-size: var(--font-size-2xl);
  letter-spacing: 0.04em;
}

.matrix-card-desc {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.75);
  line-height: var(--line-height-relaxed);
}

.matrix-card-link {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-secondary);
  text-decoration: none;
  letter-spacing: 0.04em;
}

.matrix-card-link::after {
  content: "→";
  transition: transform var(--transition-base);
}

.matrix-card:hover .matrix-card-link::after {
  transform: translateX(6px);
}

/* ===== 数据看板 ===== */
.data-board {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(14px);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: 0 25px 45px rgba(15, 30, 68, 0.18);
  border: 1px solid rgba(30, 58, 138, 0.12);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.data-board--dark {
  background: rgba(11, 19, 42, 0.85);
  color: var(--color-text-light);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.data-board-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--spacing-lg);
}

.data-board-title {
  font-size: var(--font-size-2xl);
  color: inherit;
}

.data-board-caption {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.65);
  max-width: 380px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-xl);
}

.stat-card {
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(30, 58, 138, 0.12);
  box-shadow: var(--shadow-sm);
}

.data-board--dark .stat-card {
  background: rgba(10, 18, 45, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--color-text-light);
}

.stat-title {
  font-size: var(--font-size-sm);
  color: rgba(30, 58, 138, 0.75);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.data-board--dark .stat-title {
  color: rgba(255, 255, 255, 0.6);
}

.stat-value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary);
}

.data-board--dark .stat-value {
  color: var(--color-secondary);
}

.stat-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xs);
  color: var(--color-text-gray);
}

.data-board--dark .stat-meta {
  color: rgba(255, 255, 255, 0.6);
}

.stat-trend {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-xs);
  padding: 4px 10px;
  border-radius: var(--border-radius-full);
  background: rgba(53, 208, 127, 0.15);
  color: #35d07f;
}

.stat-trend--down {
  background: rgba(255, 106, 106, 0.15);
  color: #ff6a6a;
}

.stat-chart {
  display: flex;
  gap: 6px;
  align-items: flex-end;
  height: 48px;
}

.stat-chart span {
  flex: 1;
  border-radius: var(--border-radius-sm) var(--border-radius-sm) 0 0;
  background: linear-gradient(180deg, rgba(30, 58, 138, 0.8), rgba(30, 58, 138, 0.15));
}

.data-board--dark .stat-chart span {
  background: linear-gradient(180deg, rgba(255, 215, 0, 0.9), rgba(255, 215, 0, 0.1));
}

/* ===== 内容分栏 ===== */
.split-layout {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: var(--spacing-2xl);
}

.split-layout--reversed {
  grid-template-columns: 1fr 1.35fr;
}

.split-pane {
  background: var(--color-background-white);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-xl);
  border: 1px solid rgba(30, 58, 138, 0.1);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.split-pane--dark {
  background: linear-gradient(140deg, rgba(10, 18, 45, 0.9), rgba(21, 37, 94, 0.85));
  color: var(--color-text-light);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.split-pane-header {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.split-pane-title {
  font-size: var(--font-size-2xl);
  color: inherit;
}

.split-pane-subtitle {
  font-size: var(--font-size-sm);
  color: rgba(30, 58, 138, 0.7);
  line-height: var(--line-height-relaxed);
}

.split-pane--dark .split-pane-subtitle {
  color: rgba(255, 255, 255, 0.7);
}

.info-list {
  display: grid;
  gap: var(--spacing-md);
}

.info-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-xl);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px dashed rgba(30, 58, 138, 0.16);
}

.info-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.info-item-label {
  font-size: var(--font-size-sm);
  color: rgba(30, 58, 138, 0.7);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.split-pane--dark .info-item {
  border-bottom-color: rgba(255, 255, 255, 0.16);
}

.split-pane--dark .info-item-label {
  color: rgba(255, 255, 255, 0.6);
}

/* ===== 新闻中心 ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.news-column {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.news-item {
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid rgba(30, 58, 138, 0.12);
}

.news-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.news-date {
  font-size: var(--font-size-xs);
  color: rgba(30, 58, 138, 0.55);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.news-category {
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary-dark);
  margin-bottom: var(--spacing-xs);
}

.news-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  transition: gap var(--transition-base);
}

.news-link::after {
  content: "→";
  transition: transform var(--transition-base);
}

.news-link:hover::after {
  transform: translateX(4px);
}

.news-excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-gray);
  margin-top: var(--spacing-xs);
  line-height: var(--line-height-relaxed);
}

/* ===== 投资者中心 ===== */
.ticker {
  display: grid;
  gap: var(--spacing-sm);
}

.ticker-item {
  padding: var(--spacing-md) var(--spacing-lg);
  background: rgba(30, 58, 138, 0.06);
  border-radius: var(--border-radius-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
}

.stock-value {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.stock-change {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: #35d07f;
}

.stock-change--down {
  color: #ff6a6a;
}

.ticker-label {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.ticker-label span:first-child {
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(30, 58, 138, 0.55);
}

.ticker-label span:last-child {
  font-size: var(--font-size-sm);
  color: var(--color-text-dark);
}

/* ===== 社会责任 ===== */
.csr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-xl);
}

.csr-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-xl);
  background: rgba(30, 58, 138, 0.08);
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  border: 1px solid rgba(30, 58, 138, 0.15);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.csr-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 35px rgba(17, 27, 54, 0.15);
}

.csr-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-lg);
  background: rgba(30, 58, 138, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  color: var(--color-primary);
}

.csr-card p {
  color: var(--color-text-gray);
  line-height: var(--line-height-relaxed);
  font-size: var(--font-size-sm);
}

.csr-card a {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

/* ===== 联系我们 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: var(--spacing-2xl);
  align-items: stretch;
}

.contact-card {
  background: var(--color-background-white);
  border: 1px solid rgba(30, 58, 138, 0.1);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.contact-card h4 {
  color: var(--color-primary);
  font-size: var(--font-size-xl);
}

.contact-list {
  display: grid;
  gap: var(--spacing-md);
  list-style: none;
  padding: 0;
  margin: 0;
}

.contact-list li {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.contact-list span {
  font-size: var(--font-size-sm);
  color: rgba(30, 58, 138, 0.7);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.contact-map {
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  position: relative;
  min-height: 320px;
}

.contact-map img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== 时间轴 ===== */
.timeline {
  position: relative;
  padding-left: var(--spacing-3xl);
  display: grid;
  gap: var(--spacing-xl);
}

.timeline::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(30, 58, 138, 0.2), rgba(30, 58, 138, 0.05));
}

.timeline-item {
  position: relative;
  padding: var(--spacing-xl);
  background: var(--color-background-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(30, 58, 138, 0.08);
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: var(--spacing-xl);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 3px solid var(--color-secondary);
  background: var(--color-background-white);
}

.timeline-year {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.timeline-content {
  color: var(--color-text-gray);
  line-height: var(--line-height-relaxed);
}

/* ===== 标签页与表格 ===== */
.tab-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.tab {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius-full);
  border: 1px solid rgba(30, 58, 138, 0.2);
  background: rgba(30, 58, 138, 0.05);
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-base);
}

.tab--active {
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.35), rgba(255, 215, 0, 0.15));
  border-color: rgba(255, 215, 0, 0.4);
  color: var(--color-primary);
  box-shadow: 0 10px 20px rgba(255, 215, 0, 0.18);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.data-table thead {
  background: rgba(30, 58, 138, 0.08);
}

.data-table th,
.data-table td {
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
  font-size: var(--font-size-sm);
}

.data-table tbody tr:nth-child(even) {
  background: var(--color-background-white);
}

.data-table tbody tr:nth-child(odd) {
  background: rgba(30, 58, 138, 0.04);
}

.table-highlight {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

/* ===== 模态框 ===== */
.video-modal {
  position: fixed;
  inset: 0;
  background: rgba(6, 11, 26, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base);
  z-index: var(--z-modal);
}

.video-modal--visible {
  opacity: 1;
  visibility: visible;
}

.video-modal__content {
  width: min(960px, 100%);
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  position: relative;
  box-shadow: 0 35px 55px rgba(0, 0, 0, 0.35);
}

.video-modal__content iframe,
.video-modal__content video {
  width: 100%;
  height: 100%;
}

.video-modal__close {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  background: rgba(0, 0, 0, 0.6);
  border: none;
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  font-size: var(--font-size-lg);
}

/* ===== 响应式调整 ===== */
@media (max-width: 1024px) {
  .split-layout {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: var(--spacing-4xl) var(--spacing-md) var(--spacing-3xl);
  }

  .hero-ticker {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }
}

@media (max-width: 768px) {
  .section {
    padding: var(--spacing-3xl) var(--spacing-sm);
  }

  .section-header {
    margin-bottom: var(--spacing-2xl);
  }

  .hero-grid {
    gap: var(--spacing-2xl);
  }

  .hero-stats {
    gap: var(--spacing-md);
  }

  .matrix-card {
    padding: var(--spacing-xl);
  }

  .data-board {
    padding: var(--spacing-xl);
  }

  .stat-grid {
    gap: var(--spacing-lg);
  }

  .news-grid {
    gap: var(--spacing-lg);
  }

  .csr-grid {
    gap: var(--spacing-lg);
  }

  .timeline {
    padding-left: var(--spacing-2xl);
  }

  .timeline::before {
    left: 12px;
  }

  .timeline-item::before {
    left: -24px;
  }

  .video-modal {
    padding: var(--spacing-lg);
  }
}

@media (max-width: 576px) {
  .hero-stats {
    flex-direction: column;
  }

  .hero-ticker {
    grid-template-columns: 1fr;
  }

  .matrix-grid {
    grid-template-columns: 1fr;
  }

  .stat-grid {
    grid-template-columns: 1fr;
  }

  .csr-grid {
    grid-template-columns: 1fr;
  }

  .timeline {
    padding-left: var(--spacing-xl);
  }

  .timeline-item::before {
    left: -20px;
  }
}

.news-card h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
}

.news-card p {
  color: var(--color-text-gray);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
}

.news-card-link {
  color: var(--color-secondary);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  transition: color var(--transition-base);
}

.news-card-link:hover {
  color: var(--color-secondary-dark);
}

/* ===== 统计数据（Stats） ===== */
.stats-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-text-light);
  padding: var(--spacing-3xl) var(--spacing-md);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-2xl);
  max-width: var(--container-width-max);
  margin: 0 auto;
  text-align: center;
}

.stat-item h3 {
  font-size: var(--font-size-4xl);
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
}

.stat-item p {
  font-size: var(--font-size-lg);
  margin: 0;
}

/* ===== 时间轴（Timeline） ===== */
.timeline {
  position: relative;
  padding: var(--spacing-2xl) 0;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 100%;
  background-color: var(--color-primary);
}

.timeline-item {
  margin-bottom: var(--spacing-2xl);
  position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-left: 0;
  margin-right: 50%;
  padding-right: var(--spacing-lg);
  text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: 50%;
  margin-right: 0;
  padding-left: var(--spacing-lg);
  text-align: left;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 50%;
  top: var(--spacing-lg);
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  background-color: var(--color-secondary);
  border: 4px solid var(--color-primary);
  border-radius: 50%;
  z-index: 1;
}

.timeline-content {
  background-color: var(--color-background-light);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
}

.timeline-content h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.timeline-content p {
  color: var(--color-text-gray);
  margin: 0;
}

/* ===== 标签（Badge） ===== */
.badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--color-primary);
  color: var(--color-text-light);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  margin-right: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
}

.badge-secondary {
  background-color: var(--color-secondary);
}

.badge-success {
  background-color: var(--color-success);
}

.badge-warning {
  background-color: var(--color-warning);
  color: var(--color-text-dark);
}

.badge-error {
  background-color: var(--color-error);
}

/* ===== 提示框（Alert） ===== */
.alert {
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacing-lg);
  border-left: 4px solid;
}

.alert-info {
  background-color: rgba(23, 162, 184, 0.1);
  border-left-color: var(--color-info);
  color: var(--color-info);
}

.alert-success {
  background-color: rgba(40, 167, 69, 0.1);
  border-left-color: var(--color-success);
  color: var(--color-success);
}

.alert-warning {
  background-color: rgba(255, 193, 7, 0.1);
  border-left-color: var(--color-warning);
  color: #856404;
}

.alert-error {
  background-color: rgba(220, 53, 69, 0.1);
  border-left-color: var(--color-error);
  color: var(--color-error);
}

/* ===== 分页（Pagination） ===== */
.pagination {
  display: flex;
  list-style: none;
  gap: var(--spacing-xs);
  justify-content: center;
  margin: var(--spacing-2xl) 0;
}

.pagination li {
  margin: 0;
}

.pagination a,
.pagination span {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  border: var(--border-width-thin) solid var(--color-border);
  border-radius: var(--border-radius-base);
  color: var(--color-primary);
  text-decoration: none;
  transition: all var(--transition-base);
}

.pagination a:hover {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  border-color: var(--color-primary);
}

.pagination .active span {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  border-color: var(--color-primary);
}

/* ===== 响应式设计 ===== */
@media (max-width: 768px) {
  .hero h1 {
    font-size: var(--font-size-3xl);
  }
  
  .hero p {
    font-size: var(--font-size-base);
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .timeline::before {
    left: 0;
  }
  
  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    margin-left: 40px;
    margin-right: 0;
    padding-left: var(--spacing-lg);
    text-align: left;
  }
  
  .timeline-item::before {
    left: -10px;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}