/* ===== 子页面通用样式 ===== */

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.breadcrumb a {
  color: var(--text-muted);
  transition: color var(--transition);
}

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

/* 页面头部 */
.page-hero {
  padding: 120px 0 64px;
  background: linear-gradient(135deg, #f0f7f3 0%, #e8f4ec 60%, #f5f9f6 100%);
}

.page-hero-title {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.3;
  margin-bottom: 16px;
}

.page-hero-title .highlight {
  color: var(--primary);
}

.page-hero-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 640px;
  line-height: 1.8;
  margin-bottom: 28px;
}

.page-hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* 内容区 */
.content-section {
  padding: 64px 0 96px;
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: flex-start;
}

/* 主要文章内容 */
.content-main h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dark);
  margin: 40px 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border);
}

.content-main h2:first-child {
  margin-top: 0;
}

.content-main h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin: 24px 0 12px;
}

.content-main p {
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.85;
  margin-bottom: 16px;
}

.content-list {
  margin: 12px 0 20px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.content-list li {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.7;
  padding-left: 20px;
  position: relative;
}

.content-list li::before {
  content: '•';
  position: absolute;
  left: 6px;
  color: var(--primary);
  font-weight: 700;
}

ol.content-list {
  counter-reset: list-counter;
}

ol.content-list li {
  counter-increment: list-counter;
  padding-left: 28px;
}

ol.content-list li::before {
  content: counter(list-counter);
  background: var(--primary);
  color: white;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  left: 0;
  top: 3px;
}

/* 侧边栏 */
.content-sidebar {
  position: sticky;
  top: 88px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar-card {
  background: var(--bg-light);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--border);
}

.sidebar-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.sidebar-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 推荐排名 */
.sidebar-rank {
  display: flex;
  flex-direction: column;
  gap: 10px;
  counter-reset: rank;
}

.sidebar-rank li {
  display: flex;
  flex-direction: column;
  padding: 10px 12px 10px 40px;
  border-radius: var(--radius-sm);
  position: relative;
  counter-increment: rank;
  background: white;
}

.sidebar-rank li::before {
  content: counter(rank);
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
}

.sidebar-rank .rank-1::before {
  background: var(--primary);
  color: white;
}

.sidebar-rank .rank-2::before {
  background: var(--text-muted);
  color: white;
}

.sidebar-rank .rank-3::before {
  background: var(--accent);
  color: white;
}

.sidebar-rank li strong {
  font-size: 14px;
  color: var(--text-dark);
  font-weight: 700;
}

.sidebar-rank li span {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 2px;
}

/* 影响因素 */
.sidebar-factors {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-factors li {
  font-size: 13px;
  color: var(--text-body);
  line-height: 1.5;
}

/* 关于我们 */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 80px 0;
}

.about-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-stat-card {
  background: var(--bg-light);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
}

.about-stat-card:first-child {
  grid-column: 1 / -1;
  background: var(--primary);
  color: white;
}

.about-stat-num {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--primary);
  display: block;
  line-height: 1;
  margin-bottom: 6px;
}

.about-stat-card:first-child .about-stat-num {
  color: white;
}

.about-stat-label {
  font-size: 13px;
  color: var(--text-muted);
}

.about-stat-card:first-child .about-stat-label {
  color: rgba(255,255,255,0.8);
}

/* 联系页 */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  padding: 64px 0 96px;
  align-items: flex-start;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 32px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  background: rgba(26,107,60,0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--primary);
}

.contact-info-icon svg {
  width: 22px;
  height: 22px;
}

.contact-info-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.contact-info-value {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
}

.contact-info-note {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 2px;
}

/* 联系表单 */
.contact-form-wrap {
  background: var(--bg-light);
  border-radius: var(--radius-md);
  padding: 36px;
  border: 1px solid var(--border);
}

.contact-form-wrap h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-body);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-body);
  background: white;
  font-family: var(--font-main);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,107,60,0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font-main);
  transition: all var(--transition);
}

.form-submit:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(26,107,60,0.3);
}

/* 响应式 */
@media (max-width: 900px) {
  .content-grid {
    grid-template-columns: 1fr;
  }
  .content-sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  .page-hero { padding: 100px 0 48px; }
  .page-hero-title { font-size: 1.8rem; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}