/* DDDCS STEP 16 v2：与现有FAQ之后、为什么选择之前的文章展示区配套。 */
:root {
  --ddd-articles-ink: #17242a;
  --ddd-articles-muted: #5e6a70;
  --ddd-articles-brand: #174b57;
  --ddd-articles-brand-strong: #103943;
  --ddd-articles-accent: #ef6a3a;
  --ddd-articles-line: #dfe7e8;
  --ddd-articles-soft: #f4f8f8;
  --ddd-articles-white: #fff;
}

.ddd-articles-section,
.ddd-articles-section * { box-sizing: border-box; }

.ddd-articles-section {
  color: var(--ddd-articles-ink);
  background: var(--ddd-articles-soft);
}

.ddd-articles-inner {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
  padding: 84px 0 88px;
}

.ddd-articles-heading { max-width: 760px; }

.ddd-articles-eyebrow {
  margin: 0 0 10px;
  color: var(--ddd-articles-accent);
  font-size: 14px;
  font-weight: 700;
  line-height: 22px;
}

.ddd-articles-heading h2 {
  margin: 0;
  color: var(--ddd-articles-brand-strong);
  font-size: 34px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0;
}

.ddd-articles-heading > p:last-child {
  max-width: 690px;
  margin: 14px 0 0;
  color: var(--ddd-articles-muted);
  font-size: 16px;
  line-height: 28px;
}

.ddd-articles-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 36px;
}

.ddd-article-item {
  min-width: 0;
  min-height: 230px;
  padding: 24px 22px 22px;
  border-top: 3px solid var(--ddd-articles-brand);
  background: var(--ddd-articles-white);
}

.ddd-article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--ddd-articles-muted);
  font-size: 13px;
  line-height: 20px;
}

.ddd-article-meta span {
  color: var(--ddd-articles-accent);
  font-weight: 700;
}

.ddd-article-meta time { white-space: nowrap; }

.ddd-article-body h3 {
  display: -webkit-box;
  min-height: 78px;
  margin: 18px 0 10px;
  overflow: hidden;
  color: var(--ddd-articles-brand-strong);
  font-size: 18px;
  font-weight: 700;
  line-height: 26px;
  letter-spacing: 0;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.ddd-article-body h3 a {
  display: inline;
  margin: 0;
  color: inherit;
  font: inherit;
  line-height: inherit;
  text-decoration: none;
}

.ddd-article-body h3 a:hover,
.ddd-article-body h3 a:focus-visible { color: var(--ddd-articles-accent); }

.ddd-article-body p {
  display: -webkit-box;
  min-height: 48px;
  margin: 0;
  overflow: hidden;
  color: var(--ddd-articles-muted);
  font-size: 14px;
  line-height: 24px;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.ddd-articles-action a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ddd-articles-brand);
  font-size: 14px;
  font-weight: 700;
  line-height: 24px;
  text-decoration: none;
}

.ddd-articles-action a:hover,
.ddd-articles-action a:focus-visible { color: var(--ddd-articles-accent); }

.ddd-articles-action {
  margin-top: 24px;
  text-align: right;
}

@media screen and (max-width: 960px) {
  .ddd-articles-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media screen and (max-width: 680px) {
  .ddd-articles-inner { width: calc(100% - 32px); padding: 58px 0 64px; }
  .ddd-articles-heading h2 { font-size: 28px; }
  .ddd-articles-heading > p:last-child { font-size: 15px; line-height: 26px; }
  .ddd-articles-list { grid-template-columns: 1fr; margin-top: 28px; }
  .ddd-article-item { min-height: 0; padding: 22px 20px; }
  .ddd-article-body h3 { min-height: 0; }
  .ddd-articles-action { text-align: left; }
}

/* DDDCS 分页：适配文章展示区配色 */
.ddd-pager {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 36px;
}

.ddd-pager-item,
.ddd-pager .page-item {
  display: inline-flex;
  align-items: center;
  min-width: 38px;
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--ddd-articles-line);
  border-radius: 8px;
  background: var(--ddd-articles-white);
  color: var(--ddd-articles-brand);
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  transition: border-color .15s ease, color .15s ease, background-color .15s ease;
}

.ddd-pager-item:hover,
.ddd-pager-item:focus-visible,
.ddd-pager .page-item:hover,
.ddd-pager .page-item:focus-visible {
  border-color: var(--ddd-articles-brand);
  color: var(--ddd-articles-accent);
}

.ddd-pager .page-item.active,
.ddd-pager .active {
  border-color: var(--ddd-articles-brand);
  background: var(--ddd-articles-brand);
  color: var(--ddd-articles-white);
  cursor: default;
}

.ddd-pager .page-item.disabled,
.ddd-pager .disabled {
  opacity: .45;
  pointer-events: none;
}

.ddd-pager-empty {
  margin-top: 36px;
  text-align: center;
  color: var(--ddd-articles-muted);
  font-size: 15px;
}

@media screen and (max-width: 680px) {
  .ddd-pager { margin-top: 28px; gap: 6px; }
  .ddd-pager-item,
  .ddd-pager .page-item { min-width: 34px; height: 34px; padding: 0 9px; font-size: 13px; }
  /* 小屏幕隐藏数字条，仅保留首尾/上下页 */
  .ddd-pager .page-numbar { display: none; }
}