/* 糖心vlog · 版本14
   设计思路：极简浅色 + 顶部「频道条」+ 大卡片视频瀑布流
   和 12 / 13 完全不同的整体框架
*/

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
    system-ui, sans-serif;
  color: #111827;
  background: radial-gradient(circle at 0 0, #e0f2fe 0, transparent 45%),
    radial-gradient(circle at 100% 0, #fee2e2 0, transparent 40%), #f7f7fb;
  line-height: 1.6;
}

a {
  color: #f97316;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  display: block;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

/* ========== 顶部导航区：与下方内容衔接自然，不唐突 ========== */
header {
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 30;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 0;
  flex-wrap: wrap;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: linear-gradient(145deg, #f97316 0%, #fb923c 100%);
  box-shadow: 0 1px 4px rgba(249, 115, 22, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 16px;
}

.logo-text-main {
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.02em;
  color: #0f172a;
}

.logo-text-sub {
  font-size: 11px;
  color: #64748b;
  letter-spacing: 0.01em;
  margin-top: 0;
}

/* 导航与 CTA 同一行，频道条单独一行，不唐突 */
.nav-primary {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  flex: 1;
  min-width: 0;
}

.nav-top {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.nav-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  justify-content: flex-end;
  font-size: 13px;
  align-items: center;
}

.nav-row a {
  padding: 6px 12px;
  border-radius: 999px;
  background: transparent;
  color: #475569;
  font-weight: 500;
  transition: background 0.18s ease, color 0.18s ease;
}

.nav-row a.active {
  background: #1e293b;
  color: #f8fafc;
  font-weight: 600;
}

.nav-row a:hover:not(.active) {
  background: #f1f5f9;
  color: #0f172a;
}

/* 回到首页：弱化为次要按钮，与导航同一行 */
.nav-cta {
  padding: 6px 14px;
  border-radius: 999px;
  background: transparent;
  color: #ea580c;
  border: 1px solid rgba(234, 88, 12, 0.4);
  font-size: 12px;
  font-weight: 600;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
  flex-shrink: 0;
}

.nav-cta:hover {
  background: rgba(254, 243, 199, 0.5);
  border-color: rgba(234, 88, 12, 0.6);
  color: #c2410c;
  text-decoration: none;
}

/* 频道条：单独一行，与主内容同一套轻量语言 */
.channel-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid rgba(148, 163, 184, 0.1);
  font-size: 12px;
  width: 100%;
  max-width: 100%;
  justify-content: flex-end;
}

.channel-pill {
  padding: 5px 11px;
  border-radius: 999px;
  background: #f8fafc;
  color: #64748b;
  border: 1px solid rgba(148, 163, 184, 0.18);
  font-weight: 500;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.channel-pill:hover {
  background: #f1f5f9;
  border-color: rgba(148, 163, 184, 0.3);
  color: #475569;
}

/* 高亮标签也用同一套「轻描边+浅底」语言，不突兀 */
.channel-pill--hot {
  background: #fffbeb;
  color: #b45309;
  border-color: rgba(245, 158, 11, 0.3);
}

.channel-pill--creator {
  background: #f0f9ff;
  color: #0369a1;
  border-color: rgba(14, 165, 233, 0.25);
}

/* 主体：Hero + 视频瀑布流 */
.hero {
  padding: 26px 0 16px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 20px;
  align-items: stretch;
}

.hero-main {
  border-radius: 18px;
  padding: 18px 18px 14px;
  background: linear-gradient(135deg, #111827, #020617);
  color: #f9fafb;
  position: relative;
  overflow: hidden;
}

.hero-main::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 0 0, rgba(248, 250, 252, 0.18) 0, transparent 55%);
  pointer-events: none;
}

.badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(148, 163, 184, 0.5);
  font-size: 11px;
  color: #e5e7eb;
  margin-bottom: 8px;
}

.badge span:last-child {
  color: #fb923c;
}

.hero-title {
  position: relative;
  font-size: 30px;
  font-weight: 900;
  letter-spacing: 0.03em;
  margin-bottom: 8px;
}

.hero-title span {
  color: #facc15;
}

.hero-subtitle {
  position: relative;
  font-size: 14px;
  color: #e5e7eb;
  max-width: 540px;
  margin-bottom: 12px;
}

.hero-keywords {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.chip {
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.7);
  border: 1px dashed rgba(148, 163, 184, 0.7);
  font-size: 11px;
  color: #e5e7eb;
}

.hero-actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.btn-primary {
  padding: 9px 16px;
  border-radius: 999px;
  border: none;
  background: linear-gradient(135deg, #f97316, #facc15);
  color: #111827;
  font-size: 13px;
  font-weight: 800;
}

.btn-ghost {
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: transparent;
  color: #e5e7eb;
  font-size: 13px;
  font-weight: 600;
}

.hero-meta {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 11px;
  color: #9ca3af;
}

.hero-stats {
  position: relative;
  display: flex;
  gap: 10px;
  margin-top: 8px;
  font-size: 11px;
  color: #e5e7eb;
}

.hero-stat-pill {
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.7);
}

.hero-side {
  border-radius: 18px;
  background: #f9fafb;
  border: 1px solid rgba(148, 163, 184, 0.4);
  overflow: hidden;
}

.hero-side img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.hero-side-body {
  padding: 10px 12px 12px;
  font-size: 12px;
  color: #4b5563;
}

/* 视频瀑布流：大卡片 */
.section {
  padding: 14px 0 18px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 10px;
  margin-bottom: 14px;
}

.article-layout .section-header {
  margin-bottom: 18px;
}

.section-title {
  font-size: 18px;
  font-weight: 800;
}

.section-subtitle {
  font-size: 12px;
  color: #6b7280;
}

.link-more {
  font-size: 12px;
  color: #f97316;
  font-weight: 700;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

/* ========== 精选频道页：独立架构 ========== */
.channel-layout {
  padding: 20px 0 32px;
}

.channel-header {
  margin-bottom: 20px;
}

.channel-title {
  font-size: 24px;
  font-weight: 900;
  color: #111827;
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.channel-desc {
  font-size: 14px;
  color: #6b7280;
  line-height: 1.5;
}

.channel-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.channel-tab {
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: #4b5563;
  background: #f3f4f6;
  border: 1px solid transparent;
  transition: background 0.15s ease, color 0.15s ease;
}

.channel-tab:hover {
  background: #e5e7eb;
  color: #111827;
}

.channel-tab.is-active {
  background: #111827;
  color: #f9fafb;
}

.channel-stream {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.channel-card {
  background: #ffffff;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.2);
  box-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  transition: box-shadow 0.2s ease;
}

.channel-card:hover {
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.12);
}

.channel-card-cover {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 280px;
  background: #e5e7eb;
  overflow: hidden;
}

.channel-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.channel-card-tag {
  position: absolute;
  left: 16px;
  bottom: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.82);
  color: #f9fafb;
  font-size: 12px;
  font-weight: 600;
}

.channel-card-duration {
  position: absolute;
  right: 16px;
  bottom: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.7);
  color: #f9fafb;
  font-size: 12px;
}

.channel-card-body {
  padding: 18px 20px 16px;
}

.channel-card-cat {
  font-size: 12px;
  color: #9ca3af;
  margin-bottom: 6px;
}

.channel-card-title {
  font-size: 18px;
  font-weight: 800;
  color: #111827;
  margin-bottom: 8px;
  line-height: 1.35;
}

.channel-card-meta {
  font-size: 12px;
  color: #6b7280;
  margin-bottom: 10px;
}

.channel-card-desc {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.55;
  margin-bottom: 12px;
}

.channel-card-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: #9ca3af;
}

.channel-card-author {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.channel-card-avatar {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: linear-gradient(135deg, #f97316, #facc15);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  color: #111827;
}

.channel-card-stats {
  white-space: nowrap;
}

.channel-footer {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid rgba(148, 163, 184, 0.25);
  font-size: 13px;
  color: #6b7280;
}

.channel-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.channel-footer-links a {
  color: #f97316;
  font-weight: 600;
}

.channel-card-cta {
  display: inline-block;
  margin-top: 4px;
  font-size: 13px;
  font-weight: 700;
  color: #f97316;
}

/* 内容页 / 关于页 共用 */
.article-header .channel-desc {
  margin-bottom: 0;
}

.article-header {
  padding: 20px 22px 18px;
  margin: 6px -4px 20px;
  border-radius: 18px;
  background: linear-gradient(135deg, #fefefe 0%, #f8fafc 50%, #f1f5f9 100%);
  border: 1px solid rgba(148, 163, 184, 0.28);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
  position: relative;
  overflow: hidden;
}

.article-header::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, #f97316, #facc15);
  border-radius: 4px 0 0 4px;
}

.article-header .channel-title {
  margin-bottom: 8px;
  padding-left: 4px;
  letter-spacing: 0.02em;
}

.article-layout .section-title {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.01em;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
  color: #0f172a;
}

.article-meta {
  font-size: 14px;
  color: #6b7280;
  line-height: 1.5;
}

.article-tags {
  margin-top: 1.5em;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.article-tags span {
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 999px;
  background: #f3f4f6;
  color: #4b5563;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.pill {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #e0f2fe;
  color: #075985;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature-card .channel-card-body,
.case-card .channel-card-body {
  padding: 18px 20px;
}

.feature-card .channel-card-title,
.case-card .channel-card-title {
  margin-bottom: 6px;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.list-item {
  padding: 16px 20px;
  border-radius: 16px;
  background: #ffffff;
  border: 1px solid rgba(148, 163, 184, 0.2);
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.06);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.list-item:hover {
  border-color: rgba(249, 115, 22, 0.35);
  box-shadow: 0 4px 16px rgba(249, 115, 22, 0.08);
}

.list-item-title {
  font-size: 15px;
  font-weight: 800;
  color: #111827;
  margin-bottom: 8px;
  line-height: 1.35;
}

.list-item-meta {
  font-size: 13px;
  color: #6b7280;
  line-height: 1.55;
}

.list-item-meta a,
.list-item-cta {
  margin-left: 6px;
  font-weight: 600;
  color: #ea580c;
  white-space: nowrap;
}

.list-item-meta a:hover,
.list-item-cta:hover {
  color: #c2410c;
  text-decoration: underline;
}

.article-content p {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.6;
  margin-bottom: 12px;
}

.article-content h2 {
  font-size: 17px;
  font-weight: 800;
  margin: 16px 0 8px;
  color: #111827;
}

.article-cover {
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 12px;
  border: 1px solid rgba(148, 163, 184, 0.25);
}

.article-cover img {
  width: 100%;
  height: auto;
  display: block;
}

.back-home {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  font-size: 13px;
  color: #6b7280;
  line-height: 1.5;
}

.back-home a {
  color: #f97316;
  font-weight: 600;
}

/* 列表页：单列大卡片（兼容首页风格） */
.video-grid--stacked {
  grid-template-columns: minmax(0, 1fr);
}

.video-grid--stacked .video-thumb img {
  height: 210px;
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

.video-grid--stacked .video-card {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(148, 163, 184, 0.32);
}

.video-grid--stacked .video-body {
  padding: 12px 18px 14px;
}

.video-card {
  border-radius: 16px;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid rgba(148, 163, 184, 0.35);
  display: flex;
  flex-direction: column;
  box-shadow: 0 10px 22px rgba(148, 163, 184, 0.26);
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.video-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(148, 163, 184, 0.35);
}

.video-thumb {
  position: relative;
  background: #e5e7eb;
}

.video-thumb img {
  width: 100%;
  height: 150px;
  object-fit: cover;
}

.video-label {
  position: absolute;
  left: 10px;
  bottom: 10px;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.8);
  color: #f9fafb;
  font-size: 11px;
}

.video-duration {
  position: absolute;
  right: 10px;
  bottom: 10px;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.72);
  color: #f9fafb;
  font-size: 11px;
}

.video-play-btn {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.16s ease, transform 0.16s ease;
}

.video-play-btn::before {
  content: "";
  width: 0;
  height: 0;
  border-left: 12px solid #f97316;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  margin-left: 2px;
}

.video-card:hover .video-play-btn {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.video-body {
  padding: 10px 12px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.video-title {
  font-size: 14px;
  font-weight: 800;
  color: #111827;
}

.video-meta {
  font-size: 12px;
  color: #6b7280;
}

.video-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: #9ca3af;
}

.video-author {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.video-author-avatar {
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: radial-gradient(circle at 0 0, #f97316 0, #facc15 40%, #fb7185 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 800;
  color: #111827;
}

.video-stats {
  white-space: nowrap;
}

/* FAQ + 底部导航 */
.faq-section {
  padding: 12px 0 20px;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.faq-item {
  border-radius: 14px;
  background: #ffffff;
  border: 1px solid rgba(148, 163, 184, 0.35);
  padding: 10px 11px;
  font-size: 12px;
}

.faq-q {
  font-weight: 700;
  margin-bottom: 4px;
  color: #111827;
}

.faq-a {
  color: #6b7280;
  font-size: 12px;
}

/* 通用文章布局 */
.article-layout {
  padding: 18px 0 24px;
}

.breadcrumb {
  font-size: 12px;
  color: #6b7280;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
}

.breadcrumb a {
  color: #f97316;
  font-weight: 600;
}

/* ========== 内页：与首页同一套视觉 ========== */
.content-layout {
  padding: 20px 0 32px;
}

.content-layout .breadcrumb {
  margin-bottom: 14px;
}

.content-header {
  margin-bottom: 24px;
  padding: 22px 24px 20px;
  border-radius: 18px;
  background: linear-gradient(135deg, #fefefe 0%, #f8fafc 50%, #f1f5f9 100%);
  border: 1px solid rgba(148, 163, 184, 0.28);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
  position: relative;
  overflow: hidden;
}

.content-header::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, #f97316, #facc15);
  border-radius: 4px 0 0 4px;
}

.content-title {
  font-size: 26px;
  font-weight: 800;
  color: #111827;
  margin-bottom: 12px;
  line-height: 1.32;
  letter-spacing: 0.02em;
  padding-left: 2px;
}

.content-meta {
  font-size: 13px;
  color: #64748b;
  line-height: 1.6;
  letter-spacing: 0.01em;
}

.content-card {
  background: #ffffff;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.2);
  box-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
}

.content-cover {
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 340px;
  background: #e5e7eb;
  overflow: hidden;
}

.content-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.content-body {
  padding: 24px 28px 28px;
}

.content-body p {
  font-size: 15px;
  line-height: 1.7;
  color: #374151;
  margin-bottom: 1em;
}

.content-body h2 {
  font-size: 18px;
  font-weight: 800;
  color: #111827;
  margin-top: 1.75em;
  margin-bottom: 0.5em;
}

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

.content-body code {
  font-size: 13px;
  padding: 2px 8px;
  background: #f3f4f6;
  border-radius: 8px;
  color: #4b5563;
}

.content-tags {
  margin-top: 1.5em;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.content-tag {
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 999px;
  background: #fef3c7;
  color: #92400e;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.content-back {
  margin-top: 20px;
  font-size: 13px;
  color: #6b7280;
}

.content-back a {
  color: #f97316;
  font-weight: 600;
}

footer {
  margin-top: auto;
  background: #0f172a;
  color: rgba(249, 250, 251, 0.86);
  padding: 18px 0 14px;
  font-size: 12px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
}

.footer-columns {
  display: flex;
  gap: 26px;
}

.footer-col-title {
  font-weight: 700;
  margin-bottom: 6px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-links a {
  color: rgba(249, 250, 251, 0.78);
}

.footer-bottom {
  margin-top: 10px;
  border-top: 1px solid rgba(15, 23, 42, 0.9);
  padding-top: 8px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: rgba(148, 163, 184, 0.9);
}

.footer-bottom a {
  color: #f97316;
}

/* 响应式 */
@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .video-grid,
  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-inner {
    flex-direction: column;
  }

  .two-col {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-primary {
    align-items: flex-start;
  }

  .video-grid,
  .card-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .faq-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}