/* roulang page: index */
:root {
  --hth-primary: #FF7A1A;
  --hth-primary-hover: #E6640F;
  --hth-primary-light: rgba(255, 122, 26, 0.12);
  --hth-dark: #1E1B1C;
  --hth-dark-2: #2A2628;
  --hth-bg: #F7F3EC;
  --hth-card: #FFFFFF;
  --hth-border: #E4DDD2;
  --hth-text: #1E1B1C;
  --hth-text-secondary: #6B6560;
  --hth-text-light: #9A938D;
  --hth-success: #2EA85C;
  --hth-star: #F5B942;
  --hth-gray: #888888;
  --hth-sidebar-w: 88px;
  --hth-radius-card: 16px;
  --hth-radius-btn: 24px;
  --hth-radius-tag: 999px;
  --hth-radius-input: 12px;
  --hth-shadow-card: 0 2px 8px rgba(30, 27, 28, 0.06);
  --hth-shadow-hover: 0 8px 24px rgba(30, 27, 28, 0.12);
  --hth-shadow-btn: 0 6px 16px rgba(255, 122, 26, 0.3);
  --hth-space-lg: 80px;
  --hth-space-md: 56px;
  --hth-space-sm: 32px;
  --hth-font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "冬青黑体", sans-serif;
  --hth-font-num: "DIN Alternate", "Arial Narrow", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--hth-font);
  background: var(--hth-bg);
  color: var(--hth-text);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
input, textarea { font-family: inherit; }

.hth-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 40px;
}
.hth-section {
  padding: var(--hth-space-lg) 0;
}
.hth-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
  position: relative;
}
.hth-section-header::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--hth-primary) 0%, transparent 60%);
  opacity: 0.35;
  border-radius: 2px;
}
.hth-section-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--hth-text);
  letter-spacing: 0.5px;
}
.hth-section-more {
  font-size: 14px;
  color: var(--hth-text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s;
}
.hth-section-more:hover { color: var(--hth-primary); }
.hth-section-more i { font-size: 12px; }

/* ===== 侧边栏 ===== */
.hth-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--hth-sidebar-w);
  height: 100vh;
  background: var(--hth-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 200;
}
.hth-sidebar-logo {
  width: 88px;
  height: 88px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  transition: background 0.3s;
}
.hth-sidebar-logo:hover { background: rgba(255, 255, 255, 0.1); }
.hth-sidebar-logo-mark {
  font-size: 17px;
  font-weight: 800;
  color: var(--hth-primary);
  letter-spacing: 1px;
  line-height: 1.2;
}
.hth-sidebar-logo-text {
  font-size: 10px;
  color: #fff;
  opacity: 0.7;
  line-height: 1.3;
  margin-top: 2px;
  text-align: center;
}
.hth-sidebar-nav {
  width: 100%;
  margin-top: 24px;
  display: flex;
  flex-direction: column;
}
.hth-sidebar-link {
  width: 88px;
  height: 74px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  color: #9A938D;
  position: relative;
  transition: color 0.25s, background 0.25s;
}
.hth-sidebar-link i {
  font-size: 20px;
  transition: transform 0.2s;
}
.hth-sidebar-link span {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.5px;
}
.hth-sidebar-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.04);
}
.hth-sidebar-link:hover i { transform: scale(1.1); }
.hth-sidebar-link.active {
  color: var(--hth-primary);
}
.hth-sidebar-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 28px;
  background: var(--hth-primary);
  border-radius: 0 4px 4px 0;
}
.hth-sidebar-link.active i {
  color: var(--hth-primary);
}

/* ===== 移动端顶部 ===== */
.hth-mobile-header {
  display: none;
  position: sticky;
  top: 0;
  z-index: 180;
  background: var(--hth-dark);
  height: 56px;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
}
.hth-mobile-logo {
  font-size: 18px;
  font-weight: 800;
  color: var(--hth-primary);
  letter-spacing: 1px;
}
.hth-mobile-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.hth-mobile-actions a {
  color: #fff;
  font-size: 18px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  transition: background 0.2s;
}
.hth-mobile-actions a:hover { background: rgba(255, 255, 255, 0.15); }

/* ===== 主内容区 ===== */
.hth-main {
  margin-left: var(--hth-sidebar-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===== Hero ===== */
.hth-hero {
  padding: 60px 40px 0;
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 440px 1fr;
  gap: 64px;
  align-items: center;
  min-height: 760px;
}
.hth-hero-media {
  position: relative;
  width: 420px;
  height: 720px;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(30, 27, 28, 0.18);
}
.hth-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hth-hero-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(30, 27, 28, 0.55) 100%);
  pointer-events: none;
}
.hth-hero-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  transition: background 0.3s, transform 0.3s;
}
.hth-hero-play-btn::after {
  content: '';
  width: 0;
  height: 0;
  border-left: 24px solid #fff;
  border-top: 15px solid transparent;
  border-bottom: 15px solid transparent;
  margin-left: 6px;
}
.hth-hero-play-btn:hover {
  background: rgba(255, 122, 26, 0.6);
  transform: translate(-50%, -50%) scale(1.05);
}
.hth-hero-actions-fab {
  position: absolute;
  bottom: 100px;
  right: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  z-index: 5;
}
.hth-hero-fab-item {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(4px);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: background 0.2s, transform 0.2s;
}
.hth-hero-fab-item:hover {
  background: rgba(255, 122, 26, 0.7);
  transform: scale(1.1);
}
.hth-hero-badge {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 5;
  color: #fff;
  font-size: 12px;
}
.hth-hero-content {
  max-width: 560px;
}
.hth-hero-tagline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--hth-primary-light);
  color: var(--hth-primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--hth-radius-tag);
  margin-bottom: 24px;
}
.hth-hero-tagline i { font-size: 11px; }
.hth-hero h1 {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--hth-text);
  margin-bottom: 18px;
  letter-spacing: 1px;
}
.hth-hero-sub {
  font-size: 16px;
  color: var(--hth-text-secondary);
  line-height: 1.8;
  margin-bottom: 36px;
  font-weight: 400;
}
.hth-hero-btns {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.hth-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--hth-primary);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: var(--hth-radius-btn);
  box-shadow: var(--hth-shadow-btn);
  transition: background 0.3s, transform 0.3s, box-shadow 0.3s;
}
.hth-btn-primary:hover {
  background: var(--hth-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(255, 122, 26, 0.4);
}
.hth-btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 3px 8px rgba(255, 122, 26, 0.3);
}
.hth-btn-primary i { font-size: 14px; }
.hth-btn-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--hth-text-secondary);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 4px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.hth-btn-text:hover {
  color: var(--hth-primary);
  border-bottom-color: var(--hth-primary);
}

/* ===== 爆款片段卡 ===== */
.hth-videos {
  padding: var(--hth-space-lg) 40px 0;
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
}
.hth-video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.hth-video-card {
  background: var(--hth-card);
  border-radius: var(--hth-radius-card);
  box-shadow: var(--hth-shadow-card);
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}
.hth-video-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--hth-shadow-hover);
}
.hth-video-cover {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: #e8e2d8;
}
.hth-video-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}
.hth-video-card:hover .hth-video-cover img { transform: scale(1.04); }
.hth-video-duration {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(30, 27, 28, 0.75);
  color: #fff;
  font-size: 11px;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 6px;
  font-family: var(--hth-font-num);
  letter-spacing: 0.5px;
}
.hth-video-stats {
  position: absolute;
  bottom: 12px;
  left: 12px;
  display: flex;
  gap: 12px;
  color: #fff;
  font-size: 11px;
  background: rgba(30, 27, 28, 0.5);
  padding: 3px 10px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}
.hth-video-buy {
  position: absolute;
  bottom: 12px;
  right: 12px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--hth-primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(255, 122, 26, 0.4);
  transition: background 0.2s, transform 0.2s;
}
.hth-video-buy:hover {
  background: var(--hth-primary-hover);
  transform: scale(1.04);
}
.hth-video-info {
  padding: 18px 20px 20px;
}
.hth-video-title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 12px;
}
.hth-video-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.hth-video-actions {
  display: flex;
  gap: 8px;
}
.hth-icon-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--hth-bg);
  color: var(--hth-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  transition: background 0.2s, color 0.2s;
}
.hth-icon-btn:hover {
  background: var(--hth-primary-light);
  color: var(--hth-primary);
}

/* ===== 种草清单 ===== */
.hth-list-section {
  padding: var(--hth-space-lg) 40px 0;
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
}
.hth-wishlist {
  display: flex;
  flex-direction: column;
}
.hth-wish-item {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 28px 0;
  border-bottom: 1px solid var(--hth-border);
  transition: background 0.2s;
}
.hth-wish-item:first-child { padding-top: 0; }
.hth-wish-item:last-child { border-bottom: none; }
.hth-wish-num {
  font-family: var(--hth-font-num);
  font-size: 52px;
  font-weight: 800;
  color: rgba(255, 122, 26, 0.25);
  min-width: 80px;
  line-height: 1;
}
.hth-wish-image {
  width: 240px;
  height: 240px;
  border-radius: var(--hth-radius-card);
  overflow: hidden;
  flex-shrink: 0;
  box-shadow: var(--hth-shadow-card);
}
.hth-wish-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.hth-wish-item:hover .hth-wish-image img { transform: scale(1.03); }
.hth-wish-content {
  flex: 1;
}
.hth-wish-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}
.hth-wish-desc {
  font-size: 15px;
  color: var(--hth-text-secondary);
  line-height: 1.7;
  margin-bottom: 10px;
}
.hth-wish-price {
  font-size: 20px;
  font-weight: 700;
  font-family: var(--hth-font-num);
  color: var(--hth-text);
}
.hth-wish-price small {
  font-size: 13px;
  font-weight: 500;
  color: var(--hth-text-light);
  margin-left: 4px;
}

/* ===== 口碑条 ===== */
.hth-reviews {
  padding: var(--hth-space-lg) 40px 0;
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
}
.hth-review-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 12px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.hth-review-track::-webkit-scrollbar { height: 6px; }
.hth-review-track::-webkit-scrollbar-thumb {
  background: var(--hth-border);
  border-radius: 999px;
}
.hth-review-card {
  min-width: 320px;
  max-width: 320px;
  background: var(--hth-card);
  border-radius: var(--hth-radius-card);
  box-shadow: var(--hth-shadow-card);
  padding: 24px;
  scroll-snap-align: start;
  transition: transform 0.3s, box-shadow 0.3s;
}
.hth-review-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--hth-shadow-hover);
}
.hth-review-user {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.hth-review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--hth-primary), #ffab73);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
}
.hth-review-name {
  font-size: 14px;
  font-weight: 600;
}
.hth-review-stars {
  display: flex;
  gap: 2px;
  margin-top: 3px;
  color: var(--hth-star);
  font-size: 13px;
}
.hth-review-text {
  font-size: 14px;
  color: var(--hth-text-secondary);
  line-height: 1.7;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.hth-review-footer {
  display: flex;
  gap: 8px;
}
.hth-review-useful {
  font-size: 12px;
  padding: 5px 12px;
  background: var(--hth-bg);
  border-radius: 999px;
  color: var(--hth-text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: background 0.2s, color 0.2s;
}
.hth-review-useful:hover {
  background: var(--hth-primary-light);
  color: var(--hth-primary);
}

/* ===== 最新资讯 ===== */
.hth-news {
  padding: var(--hth-space-lg) 40px 0;
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
}
.hth-news-list {
  background: var(--hth-card);
  border-radius: var(--hth-radius-card);
  box-shadow: var(--hth-shadow-card);
  padding: 8px 28px;
}
.hth-news-item {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--hth-border);
}
.hth-news-item:last-child { border-bottom: none; }
.hth-news-tag {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 500;
  color: var(--hth-primary);
  background: var(--hth-primary-light);
  padding: 4px 12px;
  border-radius: 999px;
}
.hth-news-content {
  flex: 1;
  min-width: 0;
}
.hth-news-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--hth-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.2s;
}
.hth-news-title:hover { color: var(--hth-primary); }
.hth-news-excerpt {
  font-size: 13px;
  color: var(--hth-text-light);
  margin-top: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.hth-news-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
  font-size: 12px;
  color: var(--hth-text-light);
}
.hth-news-meta .hth-news-date {
  font-family: var(--hth-font-num);
}
.hth-news-read {
  color: var(--hth-text-secondary);
  font-weight: 500;
  transition: color 0.2s;
}
.hth-news-read:hover { color: var(--hth-primary); }
.hth-news-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--hth-text-light);
  font-size: 15px;
}
.hth-news-empty i {
  font-size: 32px;
  margin-bottom: 12px;
  display: block;
  color: var(--hth-border);
}

/* ===== CTA ===== */
.hth-cta {
  margin: var(--hth-space-lg) 40px 0;
  max-width: 1440px;
  margin-left: auto;
  margin-right: auto;
  width: calc(100% - 80px);
  background: var(--hth-dark);
  border-radius: 24px;
  padding: 72px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hth-cta::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  background: rgba(255, 122, 26, 0.15);
  border-radius: 50%;
  pointer-events: none;
}
.hth-cta::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 260px;
  height: 260px;
  background: rgba(255, 122, 26, 0.08);
  border-radius: 50%;
  pointer-events: none;
}
.hth-cta-title {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: 1px;
}
.hth-cta-sub {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 32px;
}
.hth-cta-btns {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}
.hth-cta-btns .hth-btn-primary {
  background: var(--hth-primary);
}
.hth-cta-btns .hth-btn-primary:hover {
  background: var(--hth-primary-hover);
}
.hth-cta-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  padding: 14px 24px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--hth-radius-btn);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.hth-cta-link:hover {
  border-color: var(--hth-primary);
  color: var(--hth-primary);
  background: rgba(255, 122, 26, 0.08);
}

/* ===== 品牌信任条 ===== */
.hth-trust {
  padding: var(--hth-space-md) 40px;
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.hth-trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
  padding: 28px 16px;
  background: var(--hth-card);
  border-radius: var(--hth-radius-card);
  box-shadow: var(--hth-shadow-card);
  transition: transform 0.3s, box-shadow 0.3s;
}
.hth-trust-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--hth-shadow-hover);
}
.hth-trust-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--hth-primary-light);
  color: var(--hth-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}
.hth-trust-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--hth-text);
}
.hth-trust-desc {
  font-size: 12px;
  color: var(--hth-text-light);
}

/* ===== 页脚 ===== */
.hth-footer {
  background: var(--hth-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 40px 24px;
}
.hth-footer-grid {
  max-width: 1440px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.hth-footer-brand {
  max-width: 360px;
}
.hth-footer-logo {
  font-size: 18px;
  font-weight: 800;
  color: var(--hth-primary);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}
.hth-footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.5);
}
.hth-footer-title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
}
.hth-footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.hth-footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.2s;
}
.hth-footer-links a:hover { color: var(--hth-primary); }
.hth-footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
}
.hth-footer-contact i {
  color: var(--hth-primary);
  margin-right: 6px;
  width: 16px;
}
.hth-footer-bottom {
  max-width: 1440px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== 移动端底部Tab ===== */
.hth-mobile-tabbar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--hth-dark);
  z-index: 300;
  height: 62px;
  align-items: center;
  justify-content: space-around;
  padding: 0 8px;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.15);
}
.hth-tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: #9A938D;
  font-size: 11px;
  padding: 6px 20px;
  border-radius: 12px;
  transition: color 0.2s, background 0.2s;
  min-width: 60px;
}
.hth-tab-item i {
  font-size: 18px;
}
.hth-tab-item:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}
.hth-tab-item.active {
  color: var(--hth-primary);
}
.hth-tab-item.center {
  background: var(--hth-primary);
  color: #fff;
  border-radius: 999px;
  margin-top: -20px;
  padding: 12px 20px;
  box-shadow: 0 4px 16px rgba(255, 122, 26, 0.4);
}
.hth-tab-item.center:hover {
  background: var(--hth-primary-hover);
  color: #fff;
}

/* ===== 移动端抽屉 ===== */
.hth-drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(30, 27, 28, 0.5);
  z-index: 400;
  opacity: 0;
  transition: opacity 0.3s;
}
.hth-drawer-overlay.open {
  display: block;
  opacity: 1;
}
.hth-drawer {
  position: absolute;
  top: 0;
  right: -280px;
  width: 280px;
  height: 100%;
  background: var(--hth-dark);
  padding: 24px;
  transition: right 0.3s ease;
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.2);
}
.hth-drawer-overlay.open .hth-drawer {
  right: 0;
}
.hth-drawer-brand {
  font-size: 18px;
  font-weight: 800;
  color: var(--hth-primary);
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.hth-drawer-nav {
  display: flex;
  flex-direction: column;
}
.hth-drawer-nav a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 12px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  border-radius: 10px;
  transition: background 0.2s, color 0.2s;
}
.hth-drawer-nav a i {
  width: 20px;
  text-align: center;
  color: var(--hth-primary);
}
.hth-drawer-nav a:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}
.hth-drawer-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: background 0.2s;
}
.hth-drawer-close:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* ===== 响应式 ===== */
@media (max-width: 1200px) {
  .hth-hero {
    grid-template-columns: 380px 1fr;
    gap: 40px;
  }
  .hth-hero-media {
    width: 360px;
    height: 620px;
  }
  .hth-video-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1024px) {
  :root { --hth-sidebar-w: 72px; }
  .hth-container { padding: 0 24px; }
  .hth-hero {
    grid-template-columns: 280px 1fr;
    gap: 32px;
    padding: 40px 24px 0;
    min-height: 600px;
  }
  .hth-hero-media {
    width: 280px;
    height: 480px;
  }
  .hth-hero h1 {
    font-size: 32px;
  }
  .hth-hero-sub {
    font-size: 15px;
  }
  .hth-section { padding: 48px 0; }
  .hth-videos, .hth-list-section, .hth-reviews, .hth-news {
    padding-left: 24px;
    padding-right: 24px;
  }
  .hth-cta {
    margin-left: 24px;
    margin-right: 24px;
    width: calc(100% - 48px);
    padding: 48px 32px;
  }
}

@media (max-width: 768px) {
  :root { --hth-sidebar-w: 0px; }
  body {
    padding-bottom: 62px;
  }
  .hth-sidebar {
    display: none;
  }
  .hth-main {
    margin-left: 0;
  }
  .hth-mobile-header {
    display: flex;
  }
  .hth-mobile-tabbar {
    display: flex;
  }
  .hth-hero {
    grid-template-columns: 1fr;
    padding: 32px 16px 0;
    min-height: auto;
    gap: 24px;
  }
  .hth-hero-media {
    width: 100%;
    height: auto;
    aspect-ratio: 9 / 16;
    max-height: 65vh;
  }
  .hth-hero-content {
    text-align: center;
    padding: 0 8px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .hth-hero-tagline {
    margin-bottom: 16px;
  }
  .hth-hero h1 {
    font-size: 28px;
    margin-bottom: 12px;
  }
  .hth-hero-sub {
    font-size: 14px;
    margin-bottom: 24px;
  }
  .hth-hero-btns {
    flex-direction: column;
    width: 100%;
  }
  .hth-hero-btns .hth-btn-primary,
  .hth-hero-btns .hth-btn-text {
    width: 100%;
    justify-content: center;
  }
  .hth-section {
    padding: 40px 0;
  }
  .hth-section-header {
    margin-bottom: 24px;
  }
  .hth-section-title {
    font-size: 22px;
  }
  .hth-videos, .hth-list-section, .hth-reviews, .hth-news {
    padding-left: 16px;
    padding-right: 16px;
  }
  .hth-video-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .hth-wish-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 20px 0;
  }
  .hth-wish-num {
    font-size: 36px;
    min-width: auto;
  }
  .hth-wish-image {
    width: 100%;
    height: 240px;
  }
  .hth-review-card {
    min-width: 260px;
    max-width: 260px;
  }
  .hth-news-list {
    padding: 4px 16px;
  }
  .hth-news-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 16px 0;
  }
  .hth-news-meta {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }
  .hth-news-title {
    white-space: normal;
    line-height: 1.5;
  }
  .hth-news-excerpt {
    white-space: normal;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .hth-cta {
    margin: 40px 16px 0;
    width: calc(100% - 32px);
    padding: 40px 20px;
    border-radius: 16px;
  }
  .hth-cta-title {
    font-size: 24px;
  }
  .hth-cta-sub {
    font-size: 14px;
  }
  .hth-cta-btns {
    flex-direction: column;
    gap: 12px;
  }
  .hth-cta-btns .hth-btn-primary,
  .hth-cta-link {
    width: 100%;
    justify-content: center;
  }
  .hth-trust {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 32px 16px;
  }
  .hth-footer {
    padding: 48px 16px 24px;
  }
  .hth-footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .hth-footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  .hth-hero h1 {
    font-size: 26px;
  }
  .hth-section-title {
    font-size: 20px;
  }
  .hth-video-grid {
    gap: 16px;
  }
  .hth-trust-item {
    padding: 20px 12px;
  }
  .hth-review-card {
    min-width: 240px;
    max-width: 240px;
  }
}

@media (max-width: 480px) {
  .hth-hero-media {
    max-height: 55vh;
  }
  .hth-hero-play-btn {
    width: 60px;
    height: 60px;
  }
  .hth-hero-play-btn::after {
    border-left-width: 18px;
    border-top-width: 11px;
    border-bottom-width: 11px;
  }
  .hth-trust {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .hth-trust-item {
    padding: 16px 10px;
  }
  .hth-trust-icon {
    width: 40px;
    height: 40px;
    font-size: 16px;
  }
  .hth-trust-text {
    font-size: 13px;
  }
}

/* ===== 无障碍焦点 ===== */
a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(255, 122, 26, 0.4);
  outline-offset: 2px;
}

/* roulang page: article */
:root {
  --hth-primary: #FF7A1A;
  --hth-primary-hover: #E6640F;
  --hth-primary-light: #FFF0E5;
  --hth-ink: #1E1B1C;
  --hth-bg: #F7F3EC;
  --hth-card: #FFFFFF;
  --hth-line: #E4DDD2;
  --hth-muted: #888888;
  --hth-success: #2EA85C;
  --hth-star: #F5B942;
  --hth-radius-card: 16px;
  --hth-radius-btn: 24px;
  --hth-shadow: 0 2px 8px rgba(30,27,28,0.06);
  --hth-shadow-hover: 0 8px 24px rgba(30,27,28,0.12);
  --hth-font: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","冬青黑体",sans-serif;
  --hth-font-num: "DIN Alternate","Arial Narrow",sans-serif;
  --hth-gutter: 40px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--hth-font);
  background: var(--hth-bg);
  color: var(--hth-ink);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; border: none; background: none; cursor: pointer; color: inherit; }
ul, ol { list-style: none; }

.hth-app { display: flex; min-height: 100vh; }

/* ===== 侧边导航 ===== */
.hth-sidebar {
  width: 88px;
  background: var(--hth-ink);
  position: fixed;
  top: 0; left: 0; bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 1000;
}
.hth-sidebar-logo {
  width: 88px;
  height: 88px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: background 0.2s;
}
.hth-sidebar-logo:hover { background: rgba(255,255,255,0.08); }
.hth-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--hth-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  box-shadow: 0 2px 8px rgba(255,122,26,0.35);
}
.hth-logo-text {
  color: rgba(255,255,255,0.9);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.hth-sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 20px;
  width: 100%;
  padding: 0 12px;
}
.hth-sidebar-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 12px 0;
  border-radius: 14px;
  color: rgba(255,255,255,0.55);
  font-size: 10px;
  font-weight: 500;
  transition: all 0.25s ease;
  position: relative;
}
.hth-sidebar-link i { font-size: 20px; transition: transform 0.2s; }
.hth-sidebar-link:hover {
  color: #fff;
  background: rgba(255,255,255,0.06);
}
.hth-sidebar-link:hover i { transform: scale(1.08); }
.hth-sidebar-link.active { color: var(--hth-primary); }
.hth-sidebar-link.active::before {
  content: '';
  position: absolute;
  left: -12px;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 26px;
  border-radius: 0 4px 4px 0;
  background: var(--hth-primary);
}

/* ===== 主区域 ===== */
.hth-main {
  flex: 1;
  margin-left: 88px;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.hth-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px var(--hth-gutter) 64px;
  width: 100%;
  flex: 1;
}

/* ===== 面包屑 ===== */
.hth-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--hth-muted);
  margin-bottom: 28px;
  padding: 0 2px;
}
.hth-breadcrumb a { color: var(--hth-muted); transition: color 0.2s; }
.hth-breadcrumb a:hover { color: var(--hth-primary); }
.hth-breadcrumb-sep { color: #c9c1b6; font-size: 14px; }
.hth-breadcrumb-current {
  color: var(--hth-ink);
  font-weight: 500;
  max-width: 320px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ===== 文章标题区 ===== */
.hth-article-header {
  margin-bottom: 24px;
  padding: 8px 2px 0;
}
.hth-article-h1 {
  font-size: clamp(26px, 3.6vw, 36px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--hth-ink);
  letter-spacing: -0.5px;
  margin-bottom: 16px;
  max-width: 900px;
}
.hth-article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--hth-muted);
  margin-bottom: 20px;
}
.hth-article-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--hth-primary-light);
  color: var(--hth-primary);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 12px;
  font-weight: 600;
}
.hth-meta-divider { color: #ddd; }
.hth-article-meta i { margin-right: 4px; color: #b9b1a6; }
.hth-article-desc {
  font-size: 16px;
  color: #5a554f;
  line-height: 1.9;
  background: var(--hth-card);
  border-radius: 14px;
  padding: 20px 24px;
  box-shadow: var(--hth-shadow);
  border-left: 4px solid var(--hth-primary);
  margin-bottom: 4px;
}

/* ===== 正文 ===== */
.hth-article-body {
  max-width: 860px;
  margin: 0 auto 40px;
  background: var(--hth-card);
  border-radius: var(--hth-radius-card);
  padding: clamp(28px, 5vw, 52px);
  box-shadow: var(--hth-shadow);
  line-height: 1.9;
  font-size: 16px;
  color: #2d2a28;
}
.hth-article-body > *:first-child { margin-top: 0; }
.hth-article-body h2 {
  font-size: 24px;
  font-weight: 700;
  margin: 36px 0 16px;
  padding-left: 16px;
  border-left: 4px solid var(--hth-primary);
  line-height: 1.4;
}
.hth-article-body h3 {
  font-size: 19px;
  font-weight: 600;
  margin: 28px 0 12px;
  line-height: 1.5;
}
.hth-article-body p { margin-bottom: 20px; }
.hth-article-body ul,
.hth-article-body ol {
  margin: 18px 0 22px;
  padding-left: 26px;
}
.hth-article-body ul { list-style: disc; }
.hth-article-body ol { list-style: decimal; }
.hth-article-body li { margin-bottom: 8px; padding-left: 4px; }
.hth-article-body ul li::marker { color: var(--hth-primary); }
.hth-article-body blockquote {
  background: var(--hth-primary-light);
  border-radius: 12px;
  padding: 22px 26px;
  margin: 24px 0;
  font-size: 15px;
  color: #6b4f33;
  position: relative;
}
.hth-article-body blockquote::before {
  content: '"';
  position: absolute;
  top: 8px;
  left: 12px;
  font-size: 42px;
  color: var(--hth-primary);
  opacity: 0.3;
  font-family: Georgia, serif;
  line-height: 1;
}
.hth-article-body img {
  width: 100%;
  border-radius: 16px;
  margin: 28px 0;
  box-shadow: var(--hth-shadow);
}
.hth-article-body strong { font-weight: 700; color: var(--hth-ink); }
.hth-article-body a {
  color: var(--hth-primary);
  border-bottom: 1px solid rgba(255,122,26,0.3);
  transition: all 0.2s;
}
.hth-article-body a:hover { border-color: var(--hth-primary); }
.hth-article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 22px 0;
  font-size: 14px;
  border-radius: 12px;
  overflow: hidden;
}
.hth-article-body th,
.hth-article-body td {
  border: 1px solid var(--hth-line);
  padding: 10px 14px;
  text-align: left;
}
.hth-article-body th {
  background: var(--hth-bg);
  font-weight: 600;
}
.hth-article-body hr {
  border: none;
  height: 1px;
  background: var(--hth-line);
  margin: 32px 0;
}

/* ===== 空态 ===== */
.hth-notfound {
  max-width: 860px;
  margin: 0 auto 40px;
  background: var(--hth-card);
  border-radius: var(--hth-radius-card);
  padding: 80px 40px;
  text-align: center;
  box-shadow: var(--hth-shadow);
}
.hth-notfound-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--hth-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--hth-muted);
}
.hth-notfound p {
  font-size: 18px;
  font-weight: 600;
  color: var(--hth-ink);
  margin-bottom: 8px;
}
.hth-notfound .hth-notfound-sub {
  font-size: 14px;
  color: var(--hth-muted);
  margin-bottom: 28px;
}

/* ===== 按钮 ===== */
.hth-btn-primary,
.hth-btn-secondary,
.hth-btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--hth-radius-btn);
  padding: 12px 28px;
  transition: all 0.25s ease;
  min-height: 44px;
}
.hth-btn-primary {
  background: var(--hth-primary);
  color: #fff;
  box-shadow: 0 2px 10px rgba(255,122,26,0.25);
}
.hth-btn-primary:hover {
  background: var(--hth-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(255,122,26,0.3);
}
.hth-btn-secondary {
  background: var(--hth-card);
  color: var(--hth-ink);
  border: 1px solid #d8cfc3;
}
.hth-btn-secondary:hover {
  border-color: var(--hth-primary);
  color: var(--hth-primary);
  transform: translateY(-1px);
}
.hth-btn-ghost {
  background: transparent;
  color: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.3);
}
.hth-btn-ghost:hover {
  border-color: #fff;
  color: #fff;
  background: rgba(255,255,255,0.08);
}
.hth-btn-sm {
  padding: 8px 20px;
  font-size: 13px;
  border-radius: 999px;
  min-height: 36px;
}

/* ===== 文章底部返回 ===== */
.hth-article-footer {
  text-align: center;
  margin: 0 auto 48px;
  max-width: 860px;
}
.hth-article-footer .hth-btn-secondary {
  background: var(--hth-card);
  border-radius: 999px;
  box-shadow: var(--hth-shadow);
}

/* ===== 相关推荐 ===== */
.hth-related { margin-bottom: 48px; }
.hth-section-title {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 28px;
  letter-spacing: -0.3px;
}
.hth-section-title::after {
  content: '';
  flex: 1;
  height: 2px;
  background: linear-gradient(to right, var(--hth-primary), transparent);
  border-radius: 999px;
}
.hth-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.hth-related-card {
  background: var(--hth-card);
  border-radius: var(--hth-radius-card);
  overflow: hidden;
  box-shadow: var(--hth-shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
}
.hth-related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--hth-shadow-hover);
}
.hth-related-cover {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.hth-related-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.hth-related-card:hover .hth-related-cover img { transform: scale(1.04); }
.hth-related-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(30,27,28,0.78);
  color: #fff;
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}
.hth-related-info { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.hth-related-title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 8px;
  color: var(--hth-ink);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.hth-related-excerpt {
  font-size: 13px;
  color: var(--hth-muted);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.hth-related-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--hth-muted);
  border-top: 1px solid var(--hth-line);
  padding-top: 14px;
}

/* ===== 评论区 ===== */
.hth-reviews {
  background: var(--hth-card);
  border-radius: var(--hth-radius-card);
  padding: 32px;
  box-shadow: var(--hth-shadow);
  margin-bottom: 48px;
}
.hth-reviews .hth-section-title { margin-bottom: 24px; }
.hth-review-list { display: flex; flex-direction: column; gap: 0; }
.hth-review-item {
  display: flex;
  gap: 16px;
  padding: 24px 0;
  border-bottom: 1px solid var(--hth-line);
}
.hth-review-item:first-child { padding-top: 0; }
.hth-review-item:last-child { border-bottom: none; padding-bottom: 0; }
.hth-review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--hth-bg);
  border: 2px solid var(--hth-primary-light);
}
.hth-review-info { flex: 1; min-width: 0; }
.hth-review-name {
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 2px;
  color: var(--hth-ink);
}
.hth-review-stars {
  color: var(--hth-star);
  font-size: 14px;
  letter-spacing: 2px;
  margin: 4px 0 6px;
}
.hth-review-text {
  font-size: 14px;
  color: #4a4540;
  line-height: 1.8;
  margin-bottom: 10px;
}
.hth-review-actions {
  display: flex;
  gap: 20px;
  font-size: 12px;
  color: var(--hth-muted);
}
.hth-review-useful {
  color: var(--hth-primary);
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.2s;
}
.hth-review-useful:hover { opacity: 0.75; }

/* ===== CTA 条 ===== */
.hth-cta-bar {
  background: var(--hth-ink);
  border-radius: var(--hth-radius-card);
  padding: 56px 48px;
  text-align: center;
  color: #fff;
  margin-bottom: 48px;
  position: relative;
  overflow: hidden;
}
.hth-cta-bar::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,122,26,0.2), transparent 70%);
  top: -100px;
  right: -60px;
  pointer-events: none;
}
.hth-cta-bar h2 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 12px;
  color: #fff;
  letter-spacing: -0.5px;
}
.hth-cta-bar p {
  color: rgba(255,255,255,0.65);
  font-size: 15px;
  margin-bottom: 28px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}
.hth-cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== 页脚 ===== */
.hth-footer {
  background: var(--hth-ink);
  color: rgba(255,255,255,0.7);
  padding: 56px var(--hth-gutter) 32px;
  margin-top: auto;
  width: 100%;
}
.hth-footer-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.hth-footer-logo {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.hth-footer-logo i {
  color: var(--hth-primary);
  font-size: 22px;
}
.hth-footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,0.55);
  max-width: 360px;
}
.hth-footer-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.hth-footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.hth-footer-links a {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  transition: color 0.2s;
}
.hth-footer-links a:hover { color: var(--hth-primary); }
.hth-footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,0.55);
}
.hth-footer-contact i {
  width: 18px;
  color: var(--hth-primary);
  margin-right: 6px;
}
.hth-footer-bottom {
  max-width: 1100px;
  margin: 24px auto 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: rgba(255,255,255,0.35);
}

/* ===== 移动端头部 ===== */
.hth-mobile-header {
  display: none;
}

/* ===== 移动端底部 Tab ===== */
.hth-mobile-tabs {
  display: none;
}

/* ===== 抽屉 ===== */
.hth-drawer {
  display: none;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  :root { --hth-gutter: 28px; }
  .hth-sidebar { width: 72px; }
  .hth-main { margin-left: 72px; }
  .hth-sidebar-logo { width: 72px; }
  .hth-related-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hth-sidebar { display: none; }
  .hth-main { margin-left: 0; padding-bottom: 68px; }
  .hth-mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
    padding: 0 20px;
    background: var(--hth-ink);
    position: sticky;
    top: 0;
    z-index: 900;
  }
  .hth-mobile-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #fff;
    font-weight: 800;
    font-size: 16px;
  }
  .hth-mobile-logo i {
    color: var(--hth-primary);
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: rgba(255,122,26,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
  }
  .hth-mobile-notification {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.7);
    font-size: 16px;
    transition: background 0.2s;
  }
  .hth-mobile-notification:hover { background: rgba(255,255,255,0.14); }

  .hth-container { padding: 24px 16px 40px; }
  .hth-article-h1 { font-size: 26px; }
  .hth-article-desc { padding: 16px 18px; font-size: 14px; }
  .hth-article-body {
    padding: 24px 20px;
    font-size: 15px;
    border-radius: 14px;
  }
  .hth-related-grid { grid-template-columns: 1fr; }
  .hth-cta-bar { padding: 40px 24px; }
  .hth-cta-bar h2 { font-size: 22px; }
  .hth-footer { padding: 40px 20px 28px; }
  .hth-footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hth-footer-bottom { flex-direction: column; align-items: center; text-align: center; }

  /* 底部 Tab */
  .hth-mobile-tabs {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: var(--hth-ink);
    z-index: 1100;
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-bottom: env(safe-area-inset-bottom);
  }
  .hth-mobile-tab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: rgba(255,255,255,0.5);
    font-size: 11px;
    transition: color 0.2s;
  }
  .hth-mobile-tab i { font-size: 20px; }
  .hth-mobile-tab:hover { color: rgba(255,255,255,0.8); }
  .hth-mobile-tab.active { color: var(--hth-primary); }

  /* 抽屉 */
  .hth-drawer {
    display: block;
    visibility: hidden;
    opacity: 0;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    transition: opacity 0.3s ease, visibility 0.3s;
    z-index: 1200;
  }
  .hth-drawer.open {
    visibility: visible;
    opacity: 1;
  }
  .hth-drawer-mask {
    position: absolute;
    inset: 0;
    background: rgba(30,27,28,0.5);
    backdrop-filter: blur(2px);
  }
  .hth-drawer-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: 280px;
    height: 100%;
    background: var(--hth-card);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    border-radius: 20px 0 0 20px;
    box-shadow: var(--hth-shadow-hover);
  }
  .hth-drawer.open .hth-drawer-panel { transform: translateX(0); }
  .hth-drawer-brand {
    font-size: 16px;
    font-weight: 800;
    color: var(--hth-ink);
    margin-bottom: 12px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--hth-line);
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .hth-drawer-brand i { color: var(--hth-primary); }
  .hth-drawer-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 14px;
    font-size: 15px;
    font-weight: 500;
    color: var(--hth-ink);
    transition: all 0.2s;
  }
  .hth-drawer-link:hover {
    background: var(--hth-primary-light);
    color: var(--hth-primary);
  }
  .hth-drawer-link i { width: 22px; text-align: center; }
}

@media (max-width: 520px) {
  .hth-container { padding: 20px 14px 36px; }
  .hth-breadcrumb { font-size: 12px; margin-bottom: 20px; }
  .hth-article-h1 { font-size: 23px; }
  .hth-article-body { padding: 20px 16px; line-height: 1.85; }
  .hth-article-body h2 { font-size: 20px; }
  .hth-article-body h3 { font-size: 17px; }
  .hth-article-body blockquote { padding: 16px 18px; font-size: 14px; }
  .hth-related-card:last-child { margin-bottom: 0; }
  .hth-reviews { padding: 24px 18px; }
  .hth-review-item { gap: 12px; }
  .hth-review-avatar { width: 40px; height: 40px; }
  .hth-cta-bar { padding: 32px 20px; }
  .hth-cta-actions { flex-direction: column; }
  .hth-cta-actions .hth-btn-primary,
  .hth-cta-actions .hth-btn-ghost { width: 100%; }
  .hth-notfound { padding: 60px 24px; }
}

/* roulang page: category1 */
:root{
  --hth-primary:#FF7A1A;
  --hth-primary-dark:#E6640F;
  --hth-primary-light:rgba(255,122,26,0.14);
  --hth-ink:#1E1B1C;
  --hth-bg:#F7F3EC;
  --hth-white:#FFFFFF;
  --hth-line:#E4DDD2;
  --hth-muted:#8A8378;
  --hth-green:#2EA85C;
  --hth-gold:#F5B942;
  --hth-radius-lg:16px;
  --hth-radius-sm:12px;
  --hth-shadow:0 2px 8px rgba(30,27,28,0.06);
  --hth-shadow-lg:0 8px 24px rgba(30,27,28,0.12);
  --hth-font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","冬青黑体",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  font-family:var(--hth-font);
  font-size:16px;
  line-height:1.8;
  background:var(--hth-bg);
  color:var(--hth-ink);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{border:none;background:none;cursor:pointer;font-family:inherit;}
ul,ol{list-style:none;}
i{font-style:normal;}

.hth-container{max-width:1240px;margin:0 auto;padding:0 40px;}
.hth-main{margin-left:88px;min-height:100vh;padding-bottom:0;}

/* ===== 按钮 ===== */
.hth-btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--hth-primary);color:#fff;border:none;
  padding:12px 26px;border-radius:999px;font-size:14px;font-weight:600;
  transition:all .2s ease;box-shadow:0 2px 8px rgba(255,122,26,0.2);
  cursor:pointer;white-space:nowrap;
}
.hth-btn-primary:hover{
  background:var(--hth-primary-dark);
  transform:translateY(-1px);
  box-shadow:0 6px 16px rgba(255,122,26,0.3);
}
.hth-btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--hth-white);color:var(--hth-ink);
  border:1px solid var(--hth-line);
  padding:12px 24px;border-radius:999px;font-size:14px;font-weight:600;
  transition:all .2s ease;cursor:pointer;white-space:nowrap;
}
.hth-btn-ghost:hover{border-color:var(--hth-primary);color:var(--hth-primary);}
.hth-btn-outline-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,0.5);
  padding:12px 24px;border-radius:999px;font-size:14px;font-weight:600;
  transition:all .2s ease;cursor:pointer;white-space:nowrap;
}
.hth-btn-outline-light:hover{border-color:var(--hth-primary);color:var(--hth-primary);}
.hth-btn-buy{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--hth-primary);color:#fff;
  padding:10px 20px;border-radius:999px;font-size:14px;font-weight:600;
  transition:all .2s ease;box-shadow:0 2px 8px rgba(255,122,26,0.2);
  white-space:nowrap;
}
.hth-btn-buy:hover{background:var(--hth-primary-dark);transform:translateY(-1px);box-shadow:0 6px 16px rgba(255,122,26,0.3);}

/* ===== 侧边栏 ===== */
.hth-sidebar{
  position:fixed;top:0;left:0;width:88px;height:100vh;
  background:var(--hth-ink);color:#fff;
  display:flex;flex-direction:column;align-items:center;
  z-index:100;padding:0 0 24px;
}
.hth-sidebar-logo{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:5px;width:88px;height:88px;flex-shrink:0;
}
.hth-logo-badge{
  width:44px;height:44px;background:var(--hth-primary);border-radius:14px;
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;letter-spacing:-0.4px;
  box-shadow:0 4px 12px rgba(255,122,26,0.35);
}
.hth-logo-text{
  font-size:9.5px;line-height:1.3;text-align:center;
  color:rgba(255,255,255,0.92);letter-spacing:0.4px;white-space:nowrap;
}
.hth-sidebar-nav{
  display:flex;flex-direction:column;gap:10px;margin-top:28px;width:100%;align-items:center;
}
.hth-sidebar-link{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:4px;width:68px;min-height:54px;border-radius:14px;
  color:rgba(255,255,255,0.65);font-size:10px;font-weight:500;
  transition:background .2s,color .2s;position:relative;
}
.hth-sidebar-link i{font-size:20px;line-height:1;}
.hth-sidebar-link:hover{color:#fff;background:rgba(255,122,26,0.14);}
.hth-sidebar-link.active{color:#fff;background:rgba(255,122,26,0.14);}
.hth-sidebar-link.active::before{
  content:"";position:absolute;left:-10px;top:12px;bottom:12px;
  width:4px;background:var(--hth-primary);border-radius:4px;
}
.hth-sidebar-foot{
  margin-top:auto;display:flex;flex-direction:column;align-items:center;gap:6px;
  color:rgba(255,255,255,0.4);font-size:9px;text-align:center;line-height:1.3;
}
.hth-sidebar-dot{
  width:8px;height:8px;border-radius:50%;background:var(--hth-green);
  box-shadow:0 0 0 4px rgba(46,168,92,0.2);
}

/* ===== 移动端顶栏 / Tabbar / 抽屉 ===== */
.hth-topbar{display:none;}
.hth-tabbar{display:none;}
.hth-drawer-overlay{display:none;}

/* ===== 面包屑 ===== */
.hth-breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--hth-muted);margin-bottom:28px;
}
.hth-breadcrumb a{color:var(--hth-muted);transition:color .2s;}
.hth-breadcrumb a:hover{color:var(--hth-primary);}
.hth-breadcrumb i{font-size:10px;color:var(--hth-line);}
.hth-breadcrumb span{color:var(--hth-ink);font-weight:600;}

/* ===== Hero ===== */
.hth-cat-hero{
  position:relative;
  background:
    linear-gradient(135deg,rgba(247,243,236,0.97) 0%,rgba(255,255,255,0.94) 60%),
    url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
  padding:clamp(48px,6vw,88px) 0;
  border-bottom:2px solid var(--hth-primary);
}
.hth-cat-hero-inner{
  display:grid;grid-template-columns:1.1fr 0.9fr;gap:56px;align-items:center;
}
.hth-cat-hero-copy .hth-tag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--hth-primary-light);color:var(--hth-primary-dark);
  border-radius:999px;padding:5px 14px;font-size:12px;font-weight:700;
  margin-bottom:16px;
}
.hth-cat-hero-copy h1{
  font-size:clamp(32px,4.5vw,40px);
  font-weight:800;line-height:1.3;letter-spacing:-0.5px;
  color:var(--hth-ink);
}
.hth-hero-lead{
  font-size:18px;font-weight:600;color:var(--hth-primary-dark);
  margin-top:12px;line-height:1.6;
}
.hth-hero-desc{
  font-size:15px;color:var(--hth-muted);line-height:1.8;margin-top:10px;max-width:440px;
}
.hth-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}

.hth-video-card{
  position:relative;width:320px;max-width:100%;aspect-ratio:9/16;
  border-radius:24px;overflow:hidden;margin:0 auto;
  box-shadow:0 12px 32px rgba(30,27,28,0.18);
  background:var(--hth-ink);
}
.hth-video-card img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.hth-video-mask{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(30,27,28,0.08) 0%,rgba(30,27,28,0.08) 55%,rgba(30,27,28,0.72) 100%);
}
.hth-play-btn{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:80px;height:80px;border-radius:50%;
  background:rgba(255,122,26,0.85);
  display:flex;align-items:center;justify-content:center;
  z-index:3;cursor:pointer;transition:all .2s;
  box-shadow:0 8px 24px rgba(255,122,26,0.4);
}
.hth-play-btn i{color:#fff;font-size:26px;margin-left:5px;}
.hth-play-btn:hover{background:var(--hth-primary);transform:translate(-50%,-50%) scale(1.06);}
.hth-video-actions{
  position:absolute;left:0;right:0;bottom:0;z-index:3;
  padding:0 20px 20px;display:flex;justify-content:center;gap:22px;
}
.hth-video-actions button{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  color:#fff;font-size:12px;font-weight:600;transition:opacity .2s;
}
.hth-video-actions button i{font-size:18px;}
.hth-video-actions button:hover{opacity:0.8;}

/* ===== 分类简介 ===== */
.hth-cat-intro{padding:clamp(32px,4vw,56px) 0 0;}
.hth-cat-intro-card{
  background:var(--hth-primary-light);
  border-left:4px solid var(--hth-primary);
  border-radius:0 var(--hth-radius-lg) var(--hth-radius-lg) 0;
  padding:24px 28px;max-width:860px;
}
.hth-cat-intro-card p{font-size:15px;line-height:1.85;color:var(--hth-ink);}

/* ===== 板块标题 ===== */
.hth-cat-section{padding:clamp(48px,6vw,80px) 0;}
.hth-section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:32px;
}
.hth-section-head h2{font-size:clamp(22px,3vw,28px);font-weight:800;letter-spacing:-0.3px;}
.hth-section-head p{font-size:14px;color:var(--hth-muted);margin-top:6px;}
.hth-section-note{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--hth-white);border:1px solid var(--hth-line);
  border-radius:999px;padding:6px 14px;font-size:12px;font-weight:600;
  color:var(--hth-ink);white-space:nowrap;
}
.hth-section-head.center{flex-direction:column;align-items:center;text-align:center;}
.hth-section-head.center p{margin-top:4px;}

/* ===== 榜单卡片 ===== */
.hth-rank-list{display:flex;flex-direction:column;gap:20px;}
.hth-rank-card{
  display:grid;grid-template-columns:200px 1fr auto;
  background:var(--hth-white);border-radius:var(--hth-radius-lg);
  overflow:hidden;box-shadow:var(--hth-shadow);
  transition:transform .25s ease,box-shadow .25s ease;
}
.hth-rank-card:hover{transform:translateY(-4px);box-shadow:var(--hth-shadow-lg);}
.hth-rank-media{position:relative;min-height:200px;}
.hth-rank-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.hth-rank-no{
  position:absolute;top:12px;left:12px;z-index:2;
  width:36px;height:36px;border-radius:50%;
  background:var(--hth-ink);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;
}
.hth-rank-duration{
  position:absolute;bottom:12px;right:12px;z-index:2;
  background:rgba(30,27,28,0.72);color:#fff;
  border-radius:999px;padding:4px 10px;font-size:11px;font-weight:600;
  display:inline-flex;align-items:center;gap:5px;
}
.hth-rank-duration i{font-size:9px;}
.hth-rank-body{padding:22px 26px;display:flex;flex-direction:column;justify-content:center;gap:8px;min-width:0;}
.hth-rank-tags{display:flex;flex-wrap:wrap;gap:8px;}
.hth-tag{
  display:inline-flex;align-items:center;gap:4px;
  background:var(--hth-primary-light);color:var(--hth-primary-dark);
  border-radius:999px;padding:3px 11px;font-size:12px;font-weight:600;
}
.hth-rank-body h3{font-size:19px;font-weight:700;line-height:1.4;}
.hth-rank-desc{font-size:14px;color:var(--hth-muted);line-height:1.7;}
.hth-rank-extra{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--hth-muted);
}
.hth-stars{color:var(--hth-gold);font-weight:700;display:inline-flex;align-items:center;gap:3px;}
.hth-stars i{font-size:13px;}
.hth-rank-price{
  display:inline-flex;align-items:center;gap:5px;
  background:var(--hth-bg);border-radius:999px;
  padding:3px 12px;font-size:12px;font-weight:600;color:var(--hth-ink);
}
.hth-rank-action{display:flex;align-items:center;padding-right:26px;}

/* ===== 流程 ===== */
.hth-process-section{background:var(--hth-white);border-top:1px solid var(--hth-line);border-bottom:1px solid var(--hth-line);}
.hth-process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.hth-process-item{
  background:var(--hth-bg);border-radius:var(--hth-radius-lg);
  padding:26px 22px;position:relative;overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.hth-process-item:hover{transform:translateY(-4px);box-shadow:var(--hth-shadow-lg);}
.hth-process-num{
  font-size:44px;font-weight:800;color:rgba(255,122,26,0.25);
  line-height:1;display:block;font-family:"DIN Alternate","Arial Narrow",sans-serif;
}
.hth-process-item h3{font-size:16px;font-weight:700;margin-top:14px;}
.hth-process-item p{font-size:13px;color:var(--hth-muted);line-height:1.7;margin-top:6px;}

/* ===== 场景 ===== */
.hth-scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.hth-scene-card{
  background:var(--hth-white);border-radius:var(--hth-radius-lg);
  padding:28px 26px;box-shadow:var(--hth-shadow);
  transition:transform .25s ease,box-shadow .25s ease;
}
.hth-scene-card:hover{transform:translateY(-4px);box-shadow:var(--hth-shadow-lg);}
.hth-scene-icon{
  width:54px;height:54px;border-radius:16px;
  background:var(--hth-primary-light);color:var(--hth-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;margin-bottom:18px;
}
.hth-scene-card h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.hth-scene-card p{font-size:14px;color:var(--hth-muted);line-height:1.75;}

/* ===== 信任条 ===== */
.hth-trust-strip{
  background:var(--hth-ink);color:#fff;
  padding:28px 0;
}
.hth-trust-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
}
.hth-trust-item{
  display:flex;align-items:center;justify-content:center;gap:10px;
  font-size:14px;font-weight:600;color:rgba(255,255,255,0.92);
  text-align:center;
}
.hth-trust-item i{color:var(--hth-primary);font-size:18px;}

/* ===== FAQ ===== */
.hth-faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.hth-faq-item{
  background:var(--hth-white);border-radius:var(--hth-radius-lg);
  box-shadow:var(--hth-shadow);overflow:hidden;
  transition:box-shadow .2s ease;
}
.hth-faq-item.open{box-shadow:var(--hth-shadow-lg);}
.hth-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:700;text-align:left;
  color:var(--hth-ink);background:var(--hth-white);
  transition:background .2s;
}
.hth-faq-q:hover{background:var(--hth-bg);}
.hth-faq-q i{color:var(--hth-primary);font-size:16px;transition:transform .25s;flex-shrink:0;}
.hth-faq-item.open .hth-faq-q i{transform:rotate(45deg);}
.hth-faq-a{display:none;padding:0 24px 22px;color:var(--hth-muted);font-size:14px;line-height:1.85;}
.hth-faq-item.open .hth-faq-a{display:block;}

/* ===== CTA ===== */
.hth-cta-section{padding:0 0 clamp(48px,6vw,80px);}
.hth-cta{
  position:relative;
  background:
    linear-gradient(120deg,rgba(30,27,28,0.96) 0%,rgba(30,27,28,0.88) 100%),
    url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
  border-radius:28px;
  padding:clamp(40px,5vw,64px);
  display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
  box-shadow:0 16px 40px rgba(30,27,28,0.25);
}
.hth-cta-text{max-width:560px;}
.hth-cta-text h2{font-size:clamp(22px,3vw,30px);font-weight:800;color:#fff;line-height:1.4;}
.hth-cta-text p{color:rgba(255,255,255,0.72);font-size:14px;margin-top:10px;line-height:1.8;}
.hth-cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hth-back-home{text-align:center;margin-top:28px;}
.hth-back-home a{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--hth-muted);
  padding:10px 18px;border-radius:999px;transition:color .2s;
}
.hth-back-home a:hover{color:var(--hth-primary);}

/* ===== 页脚 ===== */
.hth-footer{
  background:var(--hth-ink);color:rgba(255,255,255,0.72);
  margin-left:88px;padding:56px 0 28px;
}
.hth-footer-grid{
  max-width:1240px;margin:0 auto;padding:0 40px;
  display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;
}
.hth-footer-logo{
  color:#fff;font-size:18px;font-weight:800;
  display:flex;align-items:center;gap:8px;
}
.hth-footer-logo i{color:var(--hth-primary);}
.hth-footer-desc{
  margin-top:12px;font-size:14px;line-height:1.85;
  color:rgba(255,255,255,0.6);max-width:380px;
}
.hth-footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px;}
.hth-footer-links{display:flex;flex-direction:column;gap:10px;}
.hth-footer-links a{color:rgba(255,255,255,0.6);font-size:14px;transition:color .2s;}
.hth-footer-links a:hover{color:var(--hth-primary);}
.hth-footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;}
.hth-footer-contact span{display:flex;align-items:center;gap:8px;}
.hth-footer-contact i{color:var(--hth-primary);width:18px;font-size:14px;}
.hth-footer-bottom{
  max-width:1240px;margin:40px auto 0;padding:20px 40px 0;
  border-top:1px solid rgba(255,255,255,0.12);
  display:flex;gap:24px;justify-content:space-between;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,0.4);
}

/* ===== 响应式 ===== */
@media (max-width:1200px){
  .hth-cat-hero-inner{gap:36px;}
  .hth-video-card{width:280px;}
  .hth-rank-card{grid-template-columns:180px 1fr auto;}
}
@media (max-width:1024px){
  .hth-cat-hero-inner{grid-template-columns:1fr;text-align:center;}
  .hth-cat-hero-copy{display:flex;flex-direction:column;align-items:center;}
  .hth-hero-desc{margin-left:auto;margin-right:auto;}
  .hth-hero-actions{justify-content:center;}
  .hth-video-card{width:300px;margin-top:16px;}
  .hth-process-grid{grid-template-columns:repeat(2,1fr);}
  .hth-scene-grid{grid-template-columns:repeat(2,1fr);}
  .hth-trust-grid{grid-template-columns:repeat(2,1fr);gap:18px;}
  .hth-rank-card{grid-template-columns:160px 1fr;grid-template-rows:auto auto;}
  .hth-rank-action{grid-column:1 / -1;justify-content:flex-end;padding:0 26px 22px;}
}
@media (max-width:768px){
  .hth-main{margin-left:0;padding-bottom:64px;}
  .hth-footer{margin-left:0;}
  .hth-sidebar{display:none;}
  .hth-topbar{
    display:flex;position:sticky;top:0;z-index:90;
    height:56px;background:var(--hth-ink);color:#fff;
    align-items:center;justify-content:space-between;padding:0 16px;
    box-shadow:0 2px 12px rgba(30,27,28,0.15);
  }
  .hth-topbar-logo{
    display:flex;align-items:center;gap:8px;
    font-size:16px;font-weight:800;color:#fff;
  }
  .hth-topbar-logo i{color:var(--hth-primary);}
  .hth-topbar-bell{
    width:40px;height:40px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    color:rgba(255,255,255,0.8);font-size:18px;
    transition:background .2s;
  }
  .hth-topbar-bell:hover{background:rgba(255,255,255,0.1);}
  .hth-tabbar{
    display:flex;position:fixed;bottom:0;left:0;right:0;height:64px;
    background:var(--hth-white);border-top:1px solid var(--hth-line);
    z-index:100;padding-bottom:env(safe-area-inset-bottom);
  }
  .hth-tab-item{
    flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:3px;font-size:11px;color:var(--hth-muted);
    transition:color .2s;
  }
  .hth-tab-item i{font-size:18px;}
  .hth-tab-item:hover{color:var(--hth-primary);}
  .hth-tab-item.active{color:var(--hth-primary);}
  .hth-drawer-overlay{
    position:fixed;inset:0;z-index:200;display:none;
    background:rgba(30,27,28,0.55);
    align-items:flex-start;justify-content:flex-start;
  }
  .hth-drawer-overlay.open{display:flex;}
  .hth-drawer{
    width:280px;max-width:85%;height:100%;
    background:var(--hth-ink);color:#fff;
    padding:24px 20px;display:flex;flex-direction:column;
    animation:hthSlideIn .25s ease;
  }
  @keyframes hthSlideIn{from{transform:translateX(-100%);}to{transform:translateX(0);}}
  .hth-drawer-head{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,0.12);
  }
  .hth-drawer-logo{
    display:flex;align-items:center;gap:8px;
    font-size:16px;font-weight:800;color:#fff;
  }
  .hth-drawer-logo i{color:var(--hth-primary);}
  .hth-drawer-close{
    width:38px;height:38px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    color:rgba(255,255,255,0.7);font-size:18px;
    transition:background .2s;
  }
  .hth-drawer-close:hover{background:rgba(255,255,255,0.1);}
  .hth-drawer-nav{display:flex;flex-direction:column;gap:8px;margin-top:24px;}
  .hth-drawer-nav a{
    display:flex;align-items:center;gap:14px;
    padding:14px 16px;border-radius:14px;
    color:rgba(255,255,255,0.75);font-size:15px;font-weight:600;
    transition:background .2s,color .2s;
  }
  .hth-drawer-nav a i{width:20px;text-align:center;color:var(--hth-primary);}
  .hth-drawer-nav a:hover{background:rgba(255,255,255,0.06);color:#fff;}
  .hth-drawer-nav a.active{background:rgba(255,122,26,0.16);color:#fff;}
  .hth-container{padding:0 20px;}
  .hth-cat-hero{padding:48px 0 56px;}
  .hth-cat-intro-card{padding:20px;}
  .hth-section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .hth-section-head.center{align-items:center;text-align:center;}
  .hth-rank-card{grid-template-columns:1fr;}
  .hth-rank-media{min-height:180px;position:relative;}
  .hth-rank-media img{position:absolute;}
  .hth-rank-action{grid-column:1;justify-content:stretch;padding:0 20px 20px;}
  .hth-rank-action .hth-btn-buy{width:100%;}
  .hth-cta{flex-direction:column;align-items:flex-start;}
  .hth-cta-actions{width:100%;}
  .hth-cta-actions .hth-btn-primary,
  .hth-cta-actions .hth-btn-outline-light{flex:1;justify-content:center;}
}
@media (max-width:520px){
  .hth-container{padding:0 16px;}
  .hth-process-grid{grid-template-columns:1fr;}
  .hth-scene-grid{grid-template-columns:1fr;}
  .hth-trust-grid{grid-template-columns:1fr;}
  .hth-video-card{width:100%;max-width:300px;}
  .hth-hero-actions .hth-btn-primary,
  .hth-hero-actions .hth-btn-ghost{width:100%;justify-content:center;}
  .hth-faq-q{padding:16px 18px;font-size:15px;}
  .hth-faq-a{padding:0 18px 18px;}
  .hth-cta{padding:32px 22px;border-radius:20px;}
  .hth-cta-actions{flex-direction:column;}
  .hth-cta-actions .hth-btn-primary,
  .hth-cta-actions .hth-btn-outline-light{width:100%;}
  .hth-footer-grid{padding:0 16px;}
  .hth-footer-bottom{padding:16px 16px 0;}
}

/* roulang page: category2 */
:root {
  --hth-primary: #FF7A1A;
  --hth-primary-hover: #E6640F;
  --hth-ink: #1E1B1C;
  --hth-bg: #F7F3EC;
  --hth-card: #FFFFFF;
  --hth-line: #E4DDD2;
  --hth-gray: #888888;
  --hth-star: #F5B942;
  --hth-green: #2EA85C;
  --hth-radius: 16px;
  --hth-radius-sm: 12px;
  --hth-shadow: 0 2px 8px rgba(30, 27, 28, 0.06);
  --hth-shadow-lg: 0 8px 24px rgba(30, 27, 28, 0.12);
  --hth-sidebar-w: 88px;
  --hth-trans: all 0.25s ease;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "冬青黑体", sans-serif;
  background: var(--hth-bg);
  color: var(--hth-ink);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
input, textarea, select { font-family: inherit; }
ul, ol { list-style: none; }
i { line-height: 1; }

/* ===== 左侧 App Shell 侧边栏 ===== */
.hth-sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--hth-sidebar-w);
  background: var(--hth-ink);
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hth-sidebar-logo {
  width: 100%;
  padding: 20px 4px 16px;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.hth-logo-mark { display: block; }
.hth-logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin: 0 auto 6px;
  background: var(--hth-primary);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  border-radius: 14px;
  letter-spacing: 1px;
}
.hth-logo-text {
  display: block;
  color: rgba(255, 255, 255, 0.85);
  font-size: 11px;
  line-height: 1.4;
  font-weight: 500;
  word-break: break-all;
}
.hth-sidebar-nav {
  width: 100%;
  flex: 1;
  padding-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.hth-sidebar-link {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 14px 4px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 10px;
  font-weight: 500;
  transition: var(--hth-trans);
}
.hth-sidebar-link i { font-size: 20px; }
.hth-sidebar-link:hover { color: #fff; background: rgba(255, 255, 255, 0.04); }
.hth-sidebar-link.active {
  color: var(--hth-primary);
}
.hth-sidebar-link.active::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 4px; height: 26px;
  background: var(--hth-primary);
  border-radius: 0 4px 4px 0;
}
.hth-sidebar-foot {
  width: 100%;
  padding: 14px 4px;
  text-align: center;
  color: rgba(255, 255, 255, 0.4);
  font-size: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.hth-sidebar-foot i { font-size: 18px; }

/* ===== 移动端顶部栏 ===== */
.hth-mobile-topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 56px;
  background: var(--hth-ink);
  z-index: 210;
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  box-shadow: 0 2px 12px rgba(30, 27, 28, 0.18);
}
.hth-topbar-brand {
  color: #fff;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 1px;
}
.hth-topbar-brand i { color: var(--hth-primary); margin-right: 4px; }
.hth-topbar-bell {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.85);
  font-size: 18px;
  border-radius: 50%;
  transition: var(--hth-trans);
}
.hth-topbar-bell:hover { background: rgba(255, 255, 255, 0.08); }

/* ===== 移动端底部 Tab ===== */
.hth-mobile-tabbar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: 60px;
  background: #fff;
  border-top: 1px solid var(--hth-line);
  z-index: 210;
  display: none;
  align-items: center;
  justify-content: space-around;
  padding-bottom: env(safe-area-inset-bottom);
}
.hth-tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: var(--hth-gray);
  font-size: 11px;
  font-weight: 500;
  min-height: 44px;
  transition: var(--hth-trans);
}
.hth-tab i { font-size: 20px; }
.hth-tab:hover { color: var(--hth-primary); }
.hth-tab.active { color: var(--hth-primary); }

/* ===== 移动端抽屉 ===== */
.hth-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(30, 27, 28, 0.5);
  z-index: 240;
  opacity: 0;
  visibility: hidden;
  transition: var(--hth-trans);
}
.hth-drawer-overlay.visible { opacity: 1; visibility: visible; }
.hth-drawer {
  position: fixed;
  top: 0; right: -320px;
  width: 300px;
  height: 100vh;
  background: var(--hth-ink);
  z-index: 250;
  transition: right 0.32s ease;
  padding: 24px 20px;
  overflow-y: auto;
}
.hth-drawer.open { right: 0; }
.hth-drawer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  padding-bottom: 20px;
  margin-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.hth-drawer-brand i { color: var(--hth-primary); font-size: 20px; }
.hth-drawer-nav { display: flex; flex-direction: column; gap: 4px; }
.hth-drawer-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  color: rgba(255, 255, 255, 0.7);
  border-radius: var(--hth-radius-sm);
  font-size: 15px;
  font-weight: 500;
  transition: var(--hth-trans);
}
.hth-drawer-link i { width: 22px; font-size: 18px; }
.hth-drawer-link:hover { background: rgba(255, 255, 255, 0.06); color: #fff; }
.hth-drawer-link.active { background: rgba(255, 122, 26, 0.12); color: var(--hth-primary); }

/* ===== 主内容区 ===== */
.hth-page { margin-left: var(--hth-sidebar-w); }

/* ===== 通用容器与板块 ===== */
.hth-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(16px, 3vw, 40px);
}
.hth-section { padding: clamp(56px, 8vw, 96px) 0; }
.hth-section-tight { padding: clamp(40px, 5vw, 64px) 0; }
.hth-section-head { margin-bottom: 40px; max-width: 760px; }
.hth-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 122, 26, 0.1);
  color: var(--hth-primary);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.hth-section-title {
  font-size: clamp(24px, 3.4vw, 32px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0.5px;
  position: relative;
  padding-bottom: 14px;
}
.hth-section-title::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 42px; height: 3px;
  background: var(--hth-primary);
  border-radius: 4px;
}
.hth-section-sub {
  margin-top: 14px;
  color: #5c5657;
  font-size: 15px;
  line-height: 1.8;
}

/* ===== Hero 区（分类页） ===== */
.hth-cat-hero {
  position: relative;
  color: #fff;
  background: linear-gradient(105deg, rgba(30, 27, 28, 0.94) 0%, rgba(30, 27, 28, 0.8) 55%, rgba(30, 27, 28, 0.6) 100%),
    url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  padding: clamp(48px, 7vw, 84px) 0;
}
.hth-cat-hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(16px, 3vw, 40px);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}
.hth-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.hth-breadcrumb a { color: rgba(255, 255, 255, 0.75); transition: var(--hth-trans); }
.hth-breadcrumb a:hover { color: var(--hth-primary); }
.hth-breadcrumb .sep { opacity: 0.5; }
.hth-breadcrumb .current { color: rgba(255, 255, 255, 0.9); }
.hth-cat-hero h1 {
  font-size: clamp(30px, 4.2vw, 42px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 1px;
  margin-bottom: 18px;
}
.hth-cat-hero h1 span {
  background: linear-gradient(120deg, var(--hth-primary), #ffa05a);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hth-cat-hero-desc {
  font-size: 16px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.85);
  max-width: 560px;
  margin-bottom: 32px;
}
.hth-hero-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }

/* ===== 按钮 ===== */
.hth-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--hth-primary);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  padding: 13px 28px;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(255, 122, 26, 0.25);
  transition: var(--hth-trans);
  min-height: 48px;
}
.hth-btn-primary:hover {
  background: var(--hth-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(255, 122, 26, 0.3);
  color: #fff;
}
.hth-btn-primary:active { transform: translateY(0); }
.hth-btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 4px;
  border-bottom: 2px solid rgba(255, 255, 255, 0.35);
  transition: var(--hth-trans);
  min-height: 44px;
}
.hth-btn-ghost:hover { color: var(--hth-primary); border-bottom-color: var(--hth-primary); }
.hth-btn-light {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  color: var(--hth-ink);
  font-size: 15px;
  font-weight: 700;
  padding: 13px 28px;
  border-radius: 999px;
  transition: var(--hth-trans);
  min-height: 48px;
}
.hth-btn-light:hover { background: #f0ece4; transform: translateY(-1px); }
.hth-btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid #c9c1b6;
  color: var(--hth-ink);
  font-size: 14px;
  font-weight: 600;
  padding: 11px 22px;
  border-radius: 999px;
  transition: var(--hth-trans);
  min-height: 44px;
}
.hth-btn-outline:hover { border-color: var(--hth-primary); color: var(--hth-primary); }

/* Hero 报告卡 */
.hth-report-card {
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
  overflow: hidden;
  color: var(--hth-ink);
  transform: rotate(1deg);
}
.hth-report-cover { position: relative; }
.hth-report-cover img { width: 100%; height: 320px; object-fit: cover; }
.hth-report-badge {
  position: absolute;
  top: 14px; left: 14px;
  background: var(--hth-primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 999px;
  box-shadow: 0 4px 10px rgba(255, 122, 26, 0.35);
}
.hth-report-body { padding: 20px 22px 24px; }
.hth-report-body h3 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.hth-report-body p { font-size: 14px; color: var(--hth-gray); margin-bottom: 14px; line-height: 1.7; }
.hth-report-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--hth-line);
  font-size: 13px;
  color: #555;
}
.hth-report-meta i { color: var(--hth-primary); margin-right: 4px; }

/* ===== 痛点三问 ===== */
.hth-pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.hth-pain-card {
  background: var(--hth-card);
  border-radius: var(--hth-radius);
  padding: 32px 28px;
  box-shadow: var(--hth-shadow);
  transition: var(--hth-trans);
  position: relative;
  overflow: hidden;
}
.hth-pain-card:hover { transform: translateY(-4px); box-shadow: var(--hth-shadow-lg); }
.hth-pain-icon {
  width: 56px; height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 122, 26, 0.1);
  color: var(--hth-primary);
  font-size: 24px;
  border-radius: 16px;
  margin-bottom: 20px;
}
.hth-pain-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.hth-pain-card p { color: #5c5657; font-size: 14px; line-height: 1.75; }

/* ===== 品类覆盖卡 ===== */
.hth-cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.hth-cat-card {
  background: var(--hth-card);
  border-radius: var(--hth-radius);
  overflow: hidden;
  box-shadow: var(--hth-shadow);
  transition: var(--hth-trans);
}
.hth-cat-card:hover { transform: translateY(-4px); box-shadow: var(--hth-shadow-lg); }
.hth-cat-cover { position: relative; overflow: hidden; }
.hth-cat-cover img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.hth-cat-card:hover .hth-cat-cover img { transform: scale(1.04); }
.hth-cat-tag {
  position: absolute;
  right: 12px; bottom: 12px;
  background: rgba(30, 27, 28, 0.75);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  gap: 6px;
}
.hth-cat-tag i { color: var(--hth-primary); }
.hth-cat-body { padding: 22px 24px 26px; }
.hth-cat-body h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.hth-cat-body p { color: #5c5657; font-size: 14px; line-height: 1.75; margin-bottom: 16px; }
.hth-cat-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--hth-primary);
  font-size: 14px;
  font-weight: 600;
  transition: var(--hth-trans);
}
.hth-cat-link:hover { gap: 10px; }

/* ===== 数据/信任条 ===== */
.hth-stats-section {
  background: var(--hth-ink);
  color: #fff;
  padding: clamp(56px, 8vw, 88px) 0;
  position: relative;
  overflow: hidden;
}
.hth-stats-section::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 220px; height: 220px;
  background: rgba(255, 122, 26, 0.12);
  border-radius: 50%;
  filter: blur(40px);
}
.hth-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
  position: relative;
  z-index: 1;
}
.hth-stat-num {
  font-size: clamp(36px, 5vw, 48px);
  font-weight: 800;
  color: var(--hth-primary);
  line-height: 1.1;
  font-family: "DIN Alternate", "Arial Narrow", sans-serif;
}
.hth-stat-label { margin-top: 10px; color: rgba(255, 255, 255, 0.75); font-size: 14px; font-weight: 500; }
.hth-stat-item { padding: 24px 16px; }
.hth-stat-item + .hth-stat-item { border-left: 1px solid rgba(255, 255, 255, 0.08); }

/* ===== 流程步骤 ===== */
.hth-steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.hth-step-card {
  position: relative;
  background: var(--hth-card);
  border-radius: var(--hth-radius);
  padding: 32px 24px 28px;
  box-shadow: var(--hth-shadow);
  transition: var(--hth-trans);
  counter-increment: step;
}
.hth-step-card:hover { transform: translateY(-4px); box-shadow: var(--hth-shadow-lg); }
.hth-step-num {
  font-size: 44px;
  font-weight: 800;
  color: rgba(255, 122, 26, 0.16);
  line-height: 1;
  font-family: "DIN Alternate", "Arial Narrow", sans-serif;
  margin-bottom: 16px;
}
.hth-step-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.hth-step-card p { color: #5c5657; font-size: 14px; line-height: 1.75; }
.hth-step-icon {
  position: absolute;
  top: 24px; right: 20px;
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 122, 26, 0.1);
  color: var(--hth-primary);
  border-radius: 12px;
  font-size: 17px;
}

/* ===== FAQ 手风琴 ===== */
.hth-faq-wrap { max-width: 800px; margin: 0 auto; }
.hth-faq-item {
  background: var(--hth-card);
  border-radius: var(--hth-radius-sm);
  box-shadow: var(--hth-shadow);
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow 0.25s ease;
}
.hth-faq-item.open { box-shadow: var(--hth-shadow-lg); }
.hth-faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--hth-ink);
  text-align: left;
  min-height: 60px;
  transition: var(--hth-trans);
}
.hth-faq-q:hover { color: var(--hth-primary); }
.hth-faq-icon {
  flex-shrink: 0;
  width: 32px; height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 122, 26, 0.1);
  color: var(--hth-primary);
  font-size: 15px;
  transition: transform 0.3s ease;
}
.hth-faq-item.open .hth-faq-icon { transform: rotate(45deg); }
.hth-faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.hth-faq-a-inner {
  padding: 0 24px 22px;
  color: #5c5657;
  font-size: 15px;
  line-height: 1.85;
  border-top: 1px dashed var(--hth-line);
  margin-left: 24px;
  margin-right: 24px;
  padding-top: 16px;
}

/* ===== CTA 区 ===== */
.hth-cta-section {
  background: var(--hth-ink);
  color: #fff;
  padding: clamp(60px, 8vw, 96px) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hth-cta-section::before {
  content: '';
  position: absolute;
  bottom: -100px; left: 50%;
  transform: translateX(-50%);
  width: 300px; height: 300px;
  background: rgba(255, 122, 26, 0.15);
  border-radius: 50%;
  filter: blur(60px);
}
.hth-cta-inner { position: relative; z-index: 1; max-width: 640px; margin: 0 auto; }
.hth-cta-inner h2 {
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 18px;
}
.hth-cta-inner p { color: rgba(255, 255, 255, 0.75); font-size: 16px; line-height: 1.8; margin-bottom: 36px; }
.hth-cta-actions { display: flex; align-items: center; justify-content: center; gap: 20px; flex-wrap: wrap; }

/* ===== 页脚 ===== */
.hth-footer {
  background: var(--hth-ink);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 24px 0;
}
.hth-footer-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.hth-footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 14px;
}
.hth-footer-logo i { color: var(--hth-primary); }
.hth-footer-desc { font-size: 14px; line-height: 1.85; color: rgba(255, 255, 255, 0.6); max-width: 360px; }
.hth-footer-title {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}
.hth-footer-links { display: flex; flex-direction: column; gap: 10px; }
.hth-footer-links a { font-size: 14px; color: rgba(255, 255, 255, 0.6); transition: var(--hth-trans); }
.hth-footer-links a:hover { color: var(--hth-primary); padding-left: 4px; }
.hth-footer-contact { display: flex; flex-direction: column; gap: 10px; font-size: 14px; color: rgba(255, 255, 255, 0.6); }
.hth-footer-contact span { display: flex; align-items: center; gap: 10px; }
.hth-footer-contact i { color: var(--hth-primary); width: 18px; text-align: center; }
.hth-footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 20px 0 28px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

/* ===== 响应式断点 ===== */
@media (max-width: 1024px) {
  :root { --hth-sidebar-w: 72px; }
  .hth-sidebar-link { font-size: 9px; padding: 12px 2px; }
  .hth-pain-grid { gap: 16px; }
  .hth-cat-grid { gap: 16px; }
  .hth-stats-grid { gap: 12px; }
  .hth-cat-hero-inner { gap: 32px; }
}
@media (min-width: 1440px) {
  .hth-page { max-width: 1440px; margin-left: auto; margin-right: 0; }
  .hth-sidebar { width: 88px; }
  .hth-container, .hth-cat-hero-inner { max-width: 1320px; }
}
@media (max-width: 900px) {
  .hth-cat-hero-inner { grid-template-columns: 1fr; }
  .hth-report-card { max-width: 420px; }
  .hth-pain-grid, .hth-cat-grid { grid-template-columns: repeat(2, 1fr); }
  .hth-steps-grid { grid-template-columns: repeat(2, 1fr); }
  .hth-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .hth-stat-item + .hth-stat-item { border-left: none; }
  .hth-stat-item:nth-child(odd) { border-right: 1px solid rgba(255, 255, 255, 0.08); }
  .hth-footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  :root { --hth-sidebar-w: 0px; }
  .hth-sidebar { display: none; }
  .hth-page { margin-left: 0; padding-top: 56px; padding-bottom: 60px; }
  .hth-mobile-topbar { display: flex; }
  .hth-mobile-tabbar { display: flex; }
  .hth-cat-hero { padding-top: 36px; }
  .hth-cat-hero h1 { font-size: 28px; }
  .hth-footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hth-footer-bottom { justify-content: center; text-align: center; }
  .hth-cat-cover img { height: 180px; }
}
@media (max-width: 520px) {
  .hth-pain-grid, .hth-cat-grid, .hth-steps-grid, .hth-stats-grid { grid-template-columns: 1fr; }
  .hth-stat-item { border-left: none !important; border-right: none !important; padding: 20px 12px; }
  .hth-hero-actions { flex-direction: column; align-items: stretch; }
  .hth-btn-primary, .hth-btn-light { justify-content: center; width: 100%; }
  .hth-cat-hero-desc { font-size: 15px; }
  .hth-section { padding: 48px 0; }
  .hth-report-cover img { height: 260px; }
  .hth-faq-q { padding: 16px 16px; font-size: 15px; }
  .hth-faq-a-inner { margin: 0 16px; padding: 14px 0 18px; }
}