/* ============================================
   内页通用样式 - 页面英雄区、内容分区、数据呈现
   ============================================ */

/* ========== 页面英雄区域 ========== */
.page-hero {
  position: relative;
  padding: var(--spacing-20) 0 var(--spacing-16);
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.92)), url('../../images/GLQs1nCEB5hI.jpg') center/cover no-repeat;
  color: var(--color-text-inverse);
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(46, 204, 113, 0.25), transparent 50%);
  opacity: 0.9;
  pointer-events: none;
}

.page-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: var(--spacing-12);
  align-items: end;
}

.page-hero__headline {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.page-hero__title {
  font-size: clamp(2.4rem, 3.4vw, 3.6rem);
  letter-spacing: -0.015em;
}

.page-hero__lead {
  font-size: 1.2rem;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.78);
  max-width: 640px;
}

.page-hero__tags {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--spacing-3);
}

.page-hero__tag {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
  font-size: var(--font-size-xs);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
}

.page-hero__meta {
  display: grid;
  gap: var(--spacing-4);
  align-content: start;
}

.page-hero__metric {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
  padding: var(--spacing-5);
  border-radius: var(--radius-2xl);
  background: rgba(15, 23, 42, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.page-hero__metric strong {
  font-size: var(--font-size-3xl);
  color: var(--color-white);
}

.page-hero__metric span {
  font-size: var(--font-size-sm);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
}

/* ========== 面包屑与页面导航 ========== */
.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--radius-full);
  background: rgba(17, 24, 39, 0.05);
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

.breadcrumb a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--color-primary-dark);
}

.breadcrumb .divider {
  opacity: 0.35;
}

.page-subnav {
  margin-top: var(--spacing-8);
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: var(--radius-2xl);
  background: var(--color-white);
  box-shadow: 0 20px 35px -30px rgba(17, 24, 39, 0.45);
  overflow: hidden;
}

.page-subnav__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-1);
  list-style: none;
  margin: 0;
  padding: var(--spacing-3);
}

.page-subnav__link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-5);
  border-radius: var(--radius-full);
  text-decoration: none;
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.page-subnav__link:hover {
  background: rgba(46, 204, 113, 0.12);
  color: var(--color-primary-dark);
}

.page-subnav__link.active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

/* ========== 页面内容容器 ========== */
.page-section {
  padding: var(--spacing-16) 0;
}

.page-section--muted {
  background: var(--color-bg-secondary);
}

.page-section--tight {
  padding: var(--spacing-12) 0;
}

.page-section__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--spacing-6);
  margin-bottom: var(--spacing-8);
  flex-wrap: wrap;
}

.page-section__title {
  font-size: var(--font-size-3xl);
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-2);
}

.page-section__subtitle {
  color: var(--color-text-secondary);
  line-height: 1.8;
  max-width: 720px;
}

.content-lead {
  font-size: 1.125rem;
  line-height: 1.9;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-6);
}

.content-grid {
  display: grid;
  gap: var(--spacing-8);
}

.content-grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.content-grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: var(--spacing-10);
  align-items: start;
}

.split-layout.reverse {
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
}

/* ========== 内容组件 ========== */
.content-card {
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(17, 24, 39, 0.08);
  background: var(--color-white);
  padding: var(--spacing-8);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  box-shadow: 0 24px 45px -35px rgba(17, 24, 39, 0.35);
}

.content-card--accent {
  border-color: rgba(46, 204, 113, 0.25);
  background: linear-gradient(135deg, rgba(46, 204, 113, 0.16), rgba(46, 204, 113, 0.04));
}

.content-card__title {
  font-size: var(--font-size-xl);
  color: var(--color-primary-dark);
}

.content-card__desc {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.content-card__footer {
  margin-top: auto;
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

.icon-list {
  display: grid;
  gap: var(--spacing-3);
  list-style: none;
  padding: 0;
  margin: 0;
}

.icon-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  color: var(--color-text-secondary);
}

.icon-list li::before {
  content: '•';
  color: var(--color-accent-dark);
  font-size: var(--font-size-xl);
  line-height: 1;
}

.stat-board {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-6);
}

.stat-card {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-6);
  border: 1px solid rgba(17, 24, 39, 0.05);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.stat-card strong {
  font-size: var(--font-size-3xl);
  color: var(--color-primary-dark);
}

.stat-card span {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid rgba(17, 24, 39, 0.08);
}

.comparison-table th,
.comparison-table td {
  padding: var(--spacing-5) var(--spacing-6);
  text-align: left;
  border-bottom: 1px solid rgba(17, 24, 39, 0.08);
}

.comparison-table thead {
  background: rgba(46, 204, 113, 0.15);
}

.comparison-table tbody tr:nth-child(even) {
  background: rgba(17, 24, 39, 0.03);
}

.pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-3);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--radius-full);
  background: rgba(52, 73, 94, 0.12);
  color: var(--color-primary-dark);
  font-size: var(--font-size-xs);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
}

/* ========== 时间线 ========== */
.timeline {
  position: relative;
  padding-left: var(--spacing-8);
  display: grid;
  gap: var(--spacing-8);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 16px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(46, 204, 113, 0.9), rgba(46, 204, 113, 0.2));
}

.timeline-item {
  position: relative;
  padding-left: var(--spacing-8);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -24px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-white);
  background: var(--color-accent);
  box-shadow: 0 0 0 6px rgba(46, 204, 113, 0.18);
}

.timeline-item__title {
  font-size: var(--font-size-xl);
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-2);
}

.timeline-item__time {
  font-size: var(--font-size-sm);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-3);
}

.timeline-item__desc {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ========== 联系与表单 ========== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-6);
}

.contact-card {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-6);
  border: 1px solid rgba(17, 24, 39, 0.08);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  box-shadow: var(--shadow-base);
}

.contact-card strong {
  font-size: var(--font-size-lg);
  color: var(--color-primary-dark);
}

.contact-card span {
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.form-panel {
  background: var(--color-white);
  border-radius: var(--radius-3xl);
  padding: var(--spacing-8);
  border: 1px solid rgba(17, 24, 39, 0.08);
  box-shadow: 0 25px 50px -35px rgba(17, 24, 39, 0.35);
}

.form-row {
  display: grid;
  gap: var(--spacing-5);
  margin-bottom: var(--spacing-5);
}

.form-row--2 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.form-row label {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  margin-bottom: var(--spacing-2);
}

.form-row input,
.form-row textarea,
.form-row select {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(17, 24, 39, 0.18);
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(46, 204, 113, 0.15);
  outline: none;
}

/* ========== 表格与文档 ========== */
.document-card {
  padding: var(--spacing-6);
  border-radius: var(--radius-2xl);
  background: var(--color-white);
  border: 1px solid rgba(17, 24, 39, 0.06);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.document-card__title {
  font-size: var(--font-size-lg);
  color: var(--color-primary-dark);
}

.document-card__meta {
  font-size: var(--font-size-xs);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  color: var(--color-text-tertiary);
}

.document-card__desc {
  color: var(--color-text-secondary);
}

.document-card__link {
  margin-top: auto;
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

/* ========== 媒体与图库 ========== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-4);
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: 0 25px 50px -35px rgba(17, 24, 39, 0.35);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.gallery-item:hover img {
  transform: scale(1.06);
}

.gallery-item__meta {
  position: absolute;
  inset: auto 0 0 0;
  padding: var(--spacing-4) var(--spacing-5);
  background: linear-gradient(180deg, rgba(15, 23, 42, 0) 0%, rgba(15, 23, 42, 0.88) 100%);
  color: var(--color-white);
}

/* ========== 响应式适配 ========== */
@media (max-width: 1200px) {
  .page-hero__inner {
    grid-template-columns: 1fr;
  }

  .split-layout,
  .split-layout.reverse {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .page-hero {
    padding: var(--spacing-16) 0 var(--spacing-12);
  }

  .page-section {
    padding: var(--spacing-12) 0;
  }

  .page-section__header {
    align-items: flex-start;
  }

  .page-subnav__list {
    flex-direction: column;
  }
}

@media (max-width: 600px) {
  .page-hero__tag {
    font-size: 11px;
  }

  .page-hero__metric {
    padding: var(--spacing-4);
  }

  .timeline {
    padding-left: var(--spacing-6);
  }

  .timeline::before {
    left: 10px;
  }

  .timeline-item {
    padding-left: var(--spacing-6);
  }

  .timeline-item::before {
    left: -18px;
  }
}