/* ============================================================
   选型指南详情页 — 主体样式
   依赖 main.css 中的 CSS 变量与基础组件
   ============================================================ */

/* ---------- 面包屑 ---------- */
.guide-detail .breadcrumb {
  background: #f2f6fb;
  padding: 16px 0;
  font-size: 14px;
  color: var(--c-text-sub, #5b6675);
}
.guide-detail .breadcrumb .container {
  display: flex;
  align-items: center;
  gap: 8px;
}
.guide-detail .breadcrumb a {
  color: var(--c-primary-light, #1e88e5);
  text-decoration: none;
  transition: color 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.guide-detail .breadcrumb a:hover {
  color: var(--c-primary, #0e4d92);
}
.guide-detail .breadcrumb .bc-sep {
  color: #c3ccd6;
}
.guide-detail .breadcrumb .bc-current {
  color: #8a94a0;
}

/* ---------- 主体布局 ---------- */
.gd-section {
  padding: 56px 0 72px;
}
.gd-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 40px;
  align-items: start;
}

/* ---------- 左侧正文 ---------- */
.gd-article {
  background: #fff;
  border: 1px solid var(--c-border, #e5eaf0);
  border-radius: 12px;
  padding: 40px 44px;
  overflow: hidden;
}
.gd-head {
  padding-bottom: 24px;
  border-bottom: 1px solid var(--c-border, #e5eaf0);
  margin-bottom: 28px;
}
.gd-cat {
  display: inline-block;
  background: var(--c-primary, #0e4d92);
  color: #fff;
  font-size: 13px;
  padding: 4px 12px;
  border-radius: 6px;
  margin-bottom: 14px;
}
.gd-cat.is-green {
  background: var(--c-accent, #2e9e5c);
}
.gd-title {
  font-size: 30px;
  line-height: 1.35;
  color: var(--c-text, #1f2a37);
  font-weight: 600;
  margin: 0 0 14px;
}
.gd-meta {
  display: flex;
  gap: 20px;
  color: var(--c-text-sub, #5b6675);
  font-size: 14px;
}

/* 正文段落 */
.gd-content h2 {
  font-size: 22px;
  color: var(--c-primary, #0e4d92);
  font-weight: 600;
  margin: 32px 0 14px;
  padding-left: 14px;
  border-left: 4px solid var(--c-primary-light, #1e88e5);
}
.gd-content h3 {
  font-size: 18px;
  color: var(--c-text, #1f2a37);
  font-weight: 600;
  margin: 24px 0 10px;
}
.gd-content p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-text, #1f2a37);
  margin: 0 0 16px;
}
.gd-content ul,
.gd-content ol {
  margin: 0 0 16px;
  padding-left: 22px;
}
.gd-content li {
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-text, #1f2a37);
  margin-bottom: 6px;
}
.gd-content strong {
  color: var(--c-primary, #0e4d92);
  font-weight: 600;
}
.gd-content .gd-note {
  background: #eff6ff;
  border-left: 4px solid var(--c-primary-light, #1e88e5);
  padding: 14px 18px;
  border-radius: 0 8px 8px 0;
  margin: 20px 0;
}
.gd-content .gd-note p {
  margin: 0;
  color: var(--c-primary, #0e4d92);
}

/* ---------- 右侧文章列表 ---------- */
.gd-side-card {
  background: #fff;
  border: 1px solid var(--c-border, #e5eaf0);
  border-radius: 12px;
  padding: 24px;
  position: sticky;
  top: 96px;
}
.gd-side-title {
  font-size: 18px;
  color: var(--c-text, #1f2a37);
  font-weight: 600;
  margin: 0 0 16px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--c-border, #e5eaf0);
  position: relative;
}
.gd-side-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 42px;
  height: 2px;
  background: linear-gradient(90deg, var(--c-primary, #0e4d92), var(--c-accent, #2e9e5c));
}
.gd-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.gd-list-item {
  display: block;
  padding: 14px 0;
  border-bottom: 1px dashed var(--c-border, #e5eaf0);
  text-decoration: none;
  transition: padding-left 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.gd-list-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.gd-list-item:hover {
  padding-left: 8px;
}
.gd-list-cat {
  display: inline-block;
  font-size: 12px;
  color: var(--c-primary-light, #1e88e5);
  background: #eaf3fb;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 6px;
}
.gd-list-item.is-green .gd-list-cat {
  color: var(--c-accent, #2e9e5c);
  background: #e8f5e9;
}
.gd-list-item.is-current .gd-list-cat {
  color: #fff;
  background: var(--c-primary, #0e4d92);
}
.gd-list-title {
  display: block;
  font-size: 14px;
  line-height: 1.5;
  color: var(--c-text, #1f2a37);
  font-weight: 500;
  margin-bottom: 6px;
}
.gd-list-item:hover .gd-list-title {
  color: var(--c-primary-light, #1e88e5);
}
.gd-list-date {
  font-size: 12px;
  color: var(--c-text-sub, #5b6675);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .gd-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .gd-side-card {
    position: static;
  }
}
@media (max-width: 768px) {
  .gd-section {
    padding: 36px 0 56px;
  }
  .gd-article {
    padding: 28px 22px;
  }
  .gd-title {
    font-size: 24px;
  }
  .gd-meta {
    flex-direction: column;
    gap: 4px;
  }
  .gd-content h2 {
    font-size: 19px;
  }
}