/* ============ 首页专属样式 Self Drive Discovery ============ */

/* ============ Hero 单篇大图焦点 ============ */
.d28fdd-hero {
  padding: 30px 0 20px;
}

.d28fdd-hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 28px;
  align-items: center;
}

.d28fdd-hero-media {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 4 / 3;
  position: relative;
}

.d28fdd-hero-media .d28fdd-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s ease;
}

.d28fdd-hero-media:hover .d28fdd-card-bg { transform: scale(1.04); }

.d28fdd-hero-body { }

.d28fdd-hero-body .d28fdd-card-cat {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.d28fdd-hero-title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 40px;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 16px;
}

.d28fdd-hero-title a { color: var(--text); }
.d28fdd-hero-title a:hover { color: var(--accent); opacity: 1; }

.d28fdd-hero-excerpt {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.7;
  margin: 0 0 18px;
}

.d28fdd-hero-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 13px;
}

/* ============ 顶部公告滚动栏 ============ */
.d28fdd-ticker {
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  align-items: center;
  margin: 16px 0 8px;
}

.d28fdd-ticker-label {
  background: var(--accent);
  color: var(--bg-deep);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.3px;
  padding: 10px 16px;
  white-space: nowrap;
  z-index: 2;
}

.d28fdd-ticker-viewport {
  flex: 1;
  overflow: hidden;
  position: relative;
  height: 40px;
}

.d28fdd-ticker-track {
  position: absolute;
  white-space: nowrap;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 14px;
  animation: d28fdd-scroll 22s linear infinite;
  padding: 10px 0;
}

.d28fdd-ticker-track a { color: var(--text-muted); }
.d28fdd-ticker-track a:hover { color: var(--accent); opacity: 1; }
.d28fdd-ticker-track span { margin: 0 34px; color: var(--accent); }

@keyframes d28fdd-scroll {
  0% { transform: translateX(100%); }
  100% { transform: translateX(-100%); }
}

/* ============ 区块标题 ============ */
.d28fdd-section { padding: 22px 0; }

.d28fdd-section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
  margin-bottom: 18px;
}

.d28fdd-section-head h2 {
  font-size: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0;
}

.d28fdd-section-head a {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 13px;
}

/* ============ Main Feed 单列大字号列表（无侧边栏） ============ */
.d28fdd-feed { max-width: 900px; }

.d28fdd-feed-item {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
  align-items: center;
}

.d28fdd-feed-media {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 16 / 10;
  position: relative;
}

.d28fdd-feed-media .d28fdd-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s ease;
}

.d28fdd-feed-item:hover .d28fdd-card-bg { transform: scale(1.05); }

.d28fdd-feed-content .d28fdd-card-cat {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--accent);
  margin-bottom: 8px;
}

.d28fdd-feed-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 26px;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
}

.d28fdd-feed-title a { color: var(--text); }
.d28fdd-feed-title a:hover { color: var(--accent); opacity: 1; }

.d28fdd-feed-excerpt {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
  margin: 0 0 12px;
}

/* ============ Category Spotlight 大图列表（左大图 + 右文案） ============ */
.d28fdd-spotlist { display: flex; flex-direction: column; }

.d28fdd-spot-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  align-items: center;
}

.d28fdd-spot-media {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 3 / 2;
  position: relative;
}

.d28fdd-spot-media .d28fdd-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s ease;
}

.d28fdd-spot-item:hover .d28fdd-card-bg { transform: scale(1.05); }

.d28fdd-spot-body .d28fdd-card-cat {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--accent);
  margin-bottom: 10px;
}

.d28fdd-spot-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 24px;
  line-height: 1.3;
  margin: 0 0 12px;
}

.d28fdd-spot-title a { color: var(--text); }
.d28fdd-spot-title a:hover { color: var(--accent); opacity: 1; }

.d28fdd-spot-excerpt {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
  margin: 0 0 14px;
}

.d28fdd-spot-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 14px;
  color: var(--accent);
}

.d28fdd-spot-more::after { content: '→'; transition: transform 0.2s ease; }
.d28fdd-spot-item:hover .d28fdd-spot-more::after { transform: translateX(4px); }

/* ============ 标签云与话题索引（分类网格图卡） ============ */
.d28fdd-topics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.d28fdd-topic-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 120px;
  display: flex;
  align-items: flex-end;
  border: 1px solid var(--border);
  transition: border-color 0.25s ease;
}

.d28fdd-topic-card:hover { border-color: var(--accent); }

.d28fdd-topic-card .d28fdd-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.d28fdd-topic-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(17,15,13,0.1) 0%, rgba(17,15,13,0.85) 100%);
  padding: 14px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.d28fdd-topic-name {
  color: #fff;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
}

.d28fdd-topic-count {
  color: rgba(255,255,255,0.75);
  font-size: 11px;
}

/* 首页响应式 */
@media (max-width: 960px) {
  .d28fdd-hero-grid { grid-template-columns: 1fr; }
  .d28fdd-feed-item { grid-template-columns: 1fr; }
  .d28fdd-spot-item { grid-template-columns: 1fr; }
  .d28fdd-topics-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .d28fdd-hero-title { font-size: 28px; }
  .d28fdd-feed-title { font-size: 22px; }
  .d28fdd-topics-grid { grid-template-columns: 1fr; }
}