/* ============================================
   糖心vlog - 原创样式表
   品牌色：渐变紫粉 #6C3CE1 → #FF6B9D
   辅助色：深空蓝 #1A1B3A，暖金 #FFD700
   域名：855753.cn
   ============================================ */

/* --- CSS Reset & Base --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: #0F0F1A;
  color: #E8E8F0;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: #C084FC; text-decoration: none; transition: color 0.3s; }
a:hover { color: #FF6B9D; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: #FFFFFF; }

/* --- Utility --- */
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
.section-padding { padding: 80px 0; }
.text-gradient {
  background: linear-gradient(135deg, #6C3CE1, #FF6B9D);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.btn-primary {
  display: inline-block;
  padding: 12px 32px;
  background: linear-gradient(135deg, #6C3CE1, #FF6B9D);
  color: #fff;
  border: none;
  border-radius: 30px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
  text-align: center;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(108, 60, 225, 0.4);
  color: #fff;
}
.btn-outline {
  display: inline-block;
  padding: 12px 32px;
  border: 2px solid #6C3CE1;
  color: #C084FC;
  border-radius: 30px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  background: transparent;
}
.btn-outline:hover {
  background: linear-gradient(135deg, #6C3CE1, #FF6B9D);
  color: #fff;
  border-color: transparent;
}
.section-title {
  text-align: center;
  margin-bottom: 50px;
}
.section-title h2 {
  font-size: 2.2rem;
  margin-bottom: 15px;
}
.section-title p {
  color: #A0A0B8;
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto;
}
.tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(108, 60, 225, 0.15);
  color: #C084FC;
  border-radius: 20px;
  font-size: 0.8rem;
  margin: 4px;
}

/* --- Header / Navigation --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(15, 15, 26, 0.92);
  backdrop-filter: blur(15px);
  border-bottom: 1px solid rgba(108, 60, 225, 0.2);
  transition: background 0.3s;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-link img {
  height: 42px;
  width: auto;
}
.logo-text {
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, #6C3CE1, #FF6B9D);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.main-nav { display: flex; align-items: center; gap: 8px; }
.main-nav a {
  padding: 8px 16px;
  color: #C8C8D8;
  font-size: 0.95rem;
  border-radius: 8px;
  transition: all 0.3s;
  white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active {
  color: #fff;
  background: rgba(108, 60, 225, 0.2);
}
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
}
.mobile-toggle span {
  width: 26px;
  height: 3px;
  background: #C084FC;
  border-radius: 2px;
  transition: 0.3s;
}

/* --- Search Bar --- */
.search-bar-wrap {
  background: rgba(26, 27, 58, 0.8);
  padding: 12px 0;
  border-bottom: 1px solid rgba(108, 60, 225, 0.1);
  margin-top: 70px;
}
.search-bar {
  display: flex;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}
.search-bar input {
  flex: 1;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(108, 60, 225, 0.3);
  border-radius: 30px 0 0 30px;
  color: #E8E8F0;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.3s;
}
.search-bar input:focus {
  border-color: #6C3CE1;
}
.search-bar input::placeholder { color: #666680; }
.search-bar button {
  padding: 12px 24px;
  background: linear-gradient(135deg, #6C3CE1, #FF6B9D);
  border: none;
  border-radius: 0 30px 30px 0;
  color: #fff;
  font-size: 0.95rem;
  cursor: pointer;
  transition: opacity 0.3s;
}
.search-bar button:hover { opacity: 0.9; }

/* --- Hero Banner --- */
.hero-section {
  position: relative;
  min-height: 75vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #0F0F1A;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15,15,26,0.3) 0%, rgba(15,15,26,0.85) 100%);
  z-index: 2;
}
.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
}
.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  line-height: 1.2;
}
.hero-content .hero-desc {
  font-size: 1.2rem;
  color: #C8C8D8;
  margin-bottom: 35px;
  line-height: 1.8;
}
.hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 50px;
  margin-top: 50px;
}
.hero-stats .stat-item { text-align: center; }
.hero-stats .stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  background: linear-gradient(135deg, #6C3CE1, #FF6B9D);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-stats .stat-label { color: #A0A0B8; font-size: 0.9rem; margin-top: 5px; }

/* --- Video Card Grid --- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.video-card {
  background: rgba(26, 27, 58, 0.6);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(108, 60, 225, 0.15);
  transition: transform 0.3s, box-shadow 0.3s;
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 35px rgba(108, 60, 225, 0.25);
}
.video-thumb {
  position: relative;
  padding-top: 56.25%;
  overflow: hidden;
  cursor: pointer;
}
.video-thumb img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}
.video-card:hover .video-thumb img {
  transform: scale(1.05);
}
.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 64px;
  height: 64px;
  background: rgba(108, 60, 225, 0.85);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 5;
}
.play-btn::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 12px 0 12px 22px;
  border-color: transparent transparent transparent #fff;
  margin-left: 4px;
}
.video-card:hover .play-btn {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}
.video-duration {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0, 0, 0, 0.75);
  color: #fff;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
  z-index: 5;
}
.video-info {
  padding: 18px;
}
.video-info h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  color: #888;
  font-size: 0.85rem;
}
.video-meta span { display: flex; align-items: center; gap: 4px; }
.video-stats {
  display: flex;
  gap: 16px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(108, 60, 225, 0.1);
  color: #888;
  font-size: 0.85rem;
}

/* --- Module Cards (反差/娱乐/AI) --- */
.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.module-card {
  background: linear-gradient(145deg, rgba(26,27,58,0.8), rgba(15,15,26,0.9));
  border-radius: 16px;
  padding: 30px;
  border: 1px solid rgba(108, 60, 225, 0.12);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.module-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #6C3CE1, #FF6B9D);
  opacity: 0;
  transition: opacity 0.3s;
}
.module-card:hover::before { opacity: 1; }
.module-card:hover {
  transform: translateY(-4px);
  border-color: rgba(108, 60, 225, 0.3);
}
.module-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(108,60,225,0.2), rgba(255,107,157,0.2));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 18px;
}
.module-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}
.module-card p {
  color: #A0A0B8;
  font-size: 0.92rem;
  line-height: 1.6;
}

/* --- Expert Section --- */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}
.expert-card {
  background: rgba(26, 27, 58, 0.6);
  border-radius: 16px;
  padding: 30px;
  text-align: center;
  border: 1px solid rgba(108, 60, 225, 0.12);
  transition: all 0.3s;
}
.expert-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(108, 60, 225, 0.2);
}
.expert-avatar {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 18px;
  border: 3px solid rgba(108, 60, 225, 0.4);
}
.expert-card h3 { font-size: 1.15rem; margin-bottom: 6px; }
.expert-role {
  color: #C084FC;
  font-size: 0.9rem;
  margin-bottom: 12px;
}
.expert-card p {
  color: #A0A0B8;
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 16px;
}
.expert-btns { display: flex; gap: 10px; justify-content: center; }
.expert-btns a {
  padding: 8px 18px;
  font-size: 0.85rem;
  border-radius: 20px;
}

/* --- Partner Logo Wall --- */
.partner-wall {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  align-items: center;
}
.partner-logo {
  width: 140px;
  height: 70px;
  background: rgba(26, 27, 58, 0.6);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(108, 60, 225, 0.1);
  padding: 15px;
  transition: all 0.3s;
  color: #888;
  font-size: 0.9rem;
  font-weight: 600;
}
.partner-logo:hover {
  border-color: rgba(108, 60, 225, 0.3);
  transform: translateY(-2px);
}

/* --- FAQ Section --- */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: rgba(26, 27, 58, 0.5);
  border-radius: 12px;
  margin-bottom: 12px;
  border: 1px solid rgba(108, 60, 225, 0.1);
  overflow: hidden;
}
.faq-question {
  padding: 20px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: #E8E8F0;
  transition: background 0.3s;
}
.faq-question:hover { background: rgba(108, 60, 225, 0.08); }
.faq-arrow {
  transition: transform 0.3s;
  font-size: 1.2rem;
  color: #C084FC;
}
.faq-item.active .faq-arrow { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
  padding: 0 24px;
  color: #A0A0B8;
  line-height: 1.7;
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

/* --- Reviews Section --- */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.review-card {
  background: rgba(26, 27, 58, 0.6);
  border-radius: 16px;
  padding: 28px;
  border: 1px solid rgba(108, 60, 225, 0.12);
}
.review-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}
.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6C3CE1, #FF6B9D);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
}
.review-name { font-weight: 600; color: #E8E8F0; }
.review-date { font-size: 0.8rem; color: #888; }
.review-stars { color: #FFD700; margin-bottom: 10px; letter-spacing: 2px; }
.review-text { color: #C8C8D8; font-size: 0.92rem; line-height: 1.7; }

/* --- Footer --- */
.site-footer {
  background: linear-gradient(180deg, #0F0F1A 0%, #0A0A14 100%);
  border-top: 1px solid rgba(108, 60, 225, 0.15);
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .logo-link { margin-bottom: 16px; }
.footer-brand p { color: #888; font-size: 0.9rem; line-height: 1.7; }
.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 18px;
  color: #E8E8F0;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: #888; font-size: 0.9rem; }
.footer-col ul li a:hover { color: #C084FC; }
.footer-qr {
  display: flex;
  gap: 20px;
}
.footer-qr-item { text-align: center; }
.footer-qr-item img {
  width: 120px;
  height: 120px;
  border-radius: 10px;
  margin-bottom: 8px;
}
.footer-qr-item span { font-size: 0.8rem; color: #888; }
.footer-bottom {
  border-top: 1px solid rgba(108, 60, 225, 0.1);
  padding-top: 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
  color: #666;
  font-size: 0.85rem;
}
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(108, 60, 225, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #C084FC;
  transition: all 0.3s;
  font-size: 0.85rem;
}
.footer-social a:hover {
  background: linear-gradient(135deg, #6C3CE1, #FF6B9D);
  color: #fff;
}

/* --- Share Buttons --- */
.share-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 20px;
}
.share-btn {
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 0.85rem;
  color: #fff;
  cursor: pointer;
  border: none;
  transition: opacity 0.3s;
}
.share-btn:hover { opacity: 0.85; }
.share-wechat { background: #07C160; }
.share-weibo { background: #E6162D; }
.share-douyin { background: #161823; border: 1px solid #333; }
.share-bilibili { background: #00A1D6; }

/* --- Breadcrumb --- */
.breadcrumb {
  padding: 15px 0;
  font-size: 0.88rem;
  color: #888;
}
.breadcrumb a { color: #C084FC; }
.breadcrumb span { margin: 0 8px; color: #555; }

/* --- Contact Section --- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.contact-card {
  background: rgba(26, 27, 58, 0.6);
  border-radius: 16px;
  padding: 28px;
  text-align: center;
  border: 1px solid rgba(108, 60, 225, 0.12);
}
.contact-card h4 { margin-bottom: 12px; }
.contact-card p { color: #A0A0B8; font-size: 0.92rem; }

/* --- How-To Guide --- */
.howto-steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
  counter-reset: step;
}
.howto-step {
  background: rgba(26, 27, 58, 0.5);
  border-radius: 16px;
  padding: 30px;
  text-align: center;
  border: 1px solid rgba(108, 60, 225, 0.1);
  position: relative;
}
.howto-step::before {
  counter-increment: step;
  content: counter(step);
  display: block;
  width: 48px;
  height: 48px;
  line-height: 48px;
  background: linear-gradient(135deg, #6C3CE1, #FF6B9D);
  border-radius: 50%;
  color: #fff;
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0 auto 16px;
}
.howto-step h4 { margin-bottom: 10px; font-size: 1.05rem; }
.howto-step p { color: #A0A0B8; font-size: 0.9rem; }

/* --- Inner Page Banner --- */
.inner-banner {
  position: relative;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-top: 70px;
}
.inner-banner img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}
.inner-banner .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15,15,26,0.4), rgba(15,15,26,0.9));
}
.inner-banner-content {
  position: relative;
  z-index: 2;
  text-align: center;
}
.inner-banner-content h1 { font-size: 2.5rem; margin-bottom: 12px; }
.inner-banner-content p { color: #C8C8D8; font-size: 1.1rem; }

/* --- Content Article --- */
.article-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
}
.article-content h2 { font-size: 1.8rem; margin: 40px 0 20px; }
.article-content h3 { font-size: 1.4rem; margin: 30px 0 15px; }
.article-content p { margin-bottom: 18px; color: #C8C8D8; }

/* --- Lazy Load --- */
.lazy { opacity: 0; transition: opacity 0.5s; }
.lazy.loaded { opacity: 1; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-content h1 { font-size: 2.4rem; }
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: rgba(15, 15, 26, 0.98);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    border-bottom: 1px solid rgba(108, 60, 225, 0.2);
  }
  .main-nav.active { display: flex; }
  .main-nav a { padding: 12px 16px; width: 100%; }
  .mobile-toggle { display: flex; }
  .hero-content h1 { font-size: 1.8rem; }
  .hero-stats { gap: 25px; }
  .hero-stats .stat-num { font-size: 1.6rem; }
  .video-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .section-title h2 { font-size: 1.6rem; }
  .section-padding { padding: 50px 0; }
  .inner-banner { height: 220px; }
  .inner-banner-content h1 { font-size: 1.8rem; }
}

@media (max-width: 480px) {
  .hero-content h1 { font-size: 1.5rem; }
  .hero-btns { flex-direction: column; align-items: center; }
  .search-bar { flex-direction: column; gap: 8px; }
  .search-bar input { border-radius: 30px; }
  .search-bar button { border-radius: 30px; }
}

/* --- Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in {
  animation: fadeInUp 0.6s ease forwards;
  opacity: 0;
}
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* --- MCP Service Frontend (Decorative) --- */
.mcp-widget {
  background: rgba(26, 27, 58, 0.4);
  border: 1px solid rgba(108, 60, 225, 0.1);
  border-radius: 12px;
  padding: 20px;
  margin-top: 20px;
}
.mcp-widget h5 { font-size: 0.9rem; color: #C084FC; margin-bottom: 10px; }
.mcp-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: #888;
}
.mcp-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ADE80;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* --- Hot Search Tags --- */
.hot-search {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 10px;
  justify-content: center;
}
.hot-label {
  color: #888;
  font-size: 0.85rem;
  white-space: nowrap;
}
.hot-search a {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(108, 60, 225, 0.12);
  color: #C084FC;
  border-radius: 20px;
  font-size: 0.82rem;
  transition: all 0.3s;
}
.hot-search a:hover {
  background: rgba(108, 60, 225, 0.25);
  color: #fff;
}

/* --- Video Overview Section --- */
.video-overview-content {
  max-width: 1000px;
  margin: 0 auto;
}
.video-category-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(440px, 1fr));
  gap: 24px;
}
.video-cat-item {
  background: rgba(26, 27, 58, 0.6);
  border-radius: 16px;
  padding: 28px;
  border: 1px solid rgba(108, 60, 225, 0.12);
  transition: all 0.3s;
}
.video-cat-item:hover {
  transform: translateY(-3px);
  border-color: rgba(108, 60, 225, 0.3);
}
.video-cat-item h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
  color: #E8E8F0;
}
.video-cat-item p {
  color: #A0A0B8;
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 12px;
}
.video-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* --- EEAT Authority Section --- */
.authority-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.authority-item {
  background: linear-gradient(145deg, rgba(26,27,58,0.8), rgba(15,15,26,0.9));
  border-radius: 16px;
  padding: 30px;
  border: 1px solid rgba(108, 60, 225, 0.12);
  transition: all 0.3s;
}
.authority-item:hover {
  transform: translateY(-4px);
  border-color: rgba(108, 60, 225, 0.3);
  box-shadow: 0 8px 25px rgba(108, 60, 225, 0.15);
}
.authority-item h3 {
  font-size: 1.05rem;
  margin-bottom: 12px;
  color: #E8E8F0;
}
.authority-item p {
  color: #A0A0B8;
  font-size: 0.92rem;
  line-height: 1.7;
}

/* --- Footer Trust Statement --- */
.footer-trust {
  background: rgba(26, 27, 58, 0.4);
  border: 1px solid rgba(108, 60, 225, 0.1);
  border-radius: 12px;
  padding: 20px 24px;
  margin-bottom: 25px;
}
.footer-trust p {
  color: #777;
  font-size: 0.82rem;
  line-height: 1.7;
  margin-bottom: 6px;
}
.footer-trust p:last-child { margin-bottom: 0; }

/* --- Responsive additions --- */
@media (max-width: 768px) {
  .video-category-list { grid-template-columns: 1fr; }
  .authority-grid { grid-template-columns: 1fr; }
  .hot-search { justify-content: flex-start; }
}

@media (max-width: 480px) {
  .hot-search { gap: 6px; }
  .hot-search a { font-size: 0.78rem; padding: 3px 10px; }
}