/* ============================================
   糖心vlog - 原创影视传媒与视频社区平台
   原创CSS样式 | sykuxhn.cn
   ============================================ */

/* === 基础重置与变量 === */
:root {
  --primary: #E8456B;
  --secondary: #2D1B4E;
  --accent: #FF8C42;
  --bg-dark: #0F0A1A;
  --bg-card: #1A1230;
  --text-light: #F5F0FF;
  --text-muted: #A89EC2;
  --border-color: #2E2450;
  --gradient-primary: linear-gradient(135deg, #E8456B 0%, #FF8C42 100%);
  --gradient-dark: linear-gradient(180deg, #0F0A1A 0%, #1A1230 100%);
  --shadow-card: 0 8px 32px rgba(232, 69, 107, 0.15);
  --shadow-hover: 0 12px 48px rgba(232, 69, 107, 0.25);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  background: var(--bg-dark);
  color: var(--text-light);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--accent);
}

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

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

/* === 头部导航 === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(15, 10, 26, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

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

.site-logo img {
  height: 42px;
  width: auto;
}

.site-logo span {
  font-size: 1.35rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.main-nav a {
  color: var(--text-light);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--primary);
  background: rgba(232, 69, 107, 0.1);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--text-light);
  border-radius: 2px;
  transition: var(--transition);
}

/* === 搜索框 === */
.search-bar {
  background: var(--secondary);
  padding: 12px 0;
  margin-top: 72px;
  border-bottom: 1px solid var(--border-color);
}

.search-bar-inner {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  gap: 8px;
  padding: 0 20px;
}

.search-bar input {
  flex: 1;
  padding: 10px 18px;
  border-radius: 24px;
  border: 1px solid var(--border-color);
  background: var(--bg-dark);
  color: var(--text-light);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}

.search-bar input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(232, 69, 107, 0.2);
}

.search-bar input::placeholder {
  color: var(--text-muted);
}

.search-bar button {
  padding: 10px 24px;
  border-radius: 24px;
  border: none;
  background: var(--gradient-primary);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.search-bar button:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(232, 69, 107, 0.4);
}

/* === Hero区域 === */
.hero-section {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 80px 20px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(15,10,26,0.3) 0%, rgba(15,10,26,0.85) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-content h1 {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 18px;
  line-height: 1.3;
}

.hero-content h1 .brand-highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--gradient-primary);
  color: #fff;
  border-radius: 30px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  color: #fff;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: transparent;
  color: var(--text-light);
  border: 2px solid var(--primary);
  border-radius: 30px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

/* === 通用Section === */
.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--bg-card);
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-header h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.section-header h2 .highlight {
  color: var(--primary);
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

.section-tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(232, 69, 107, 0.15);
  color: var(--primary);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 12px;
}

/* === 视频卡片网格 === */
.video-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.video-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  cursor: pointer;
}

.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}

.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.video-card:hover .video-thumb img {
  transform: scale(1.05);
}

.play-btn-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 10, 26, 0.4);
  opacity: 0;
  transition: var(--transition);
}

.video-card:hover .play-btn-overlay {
  opacity: 1;
}

.play-btn-circle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(232, 69, 107, 0.5);
  transition: var(--transition);
}

.play-btn-circle:hover {
  transform: scale(1.1);
}

.play-btn-circle svg {
  width: 22px;
  height: 22px;
  fill: #fff;
  margin-left: 3px;
}

.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  padding: 2px 8px;
  background: rgba(0, 0, 0, 0.75);
  color: #fff;
  font-size: 0.8rem;
  border-radius: 4px;
}

.video-info {
  padding: 16px;
}

.video-info h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.video-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.video-tags {
  display: flex;
  gap: 6px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.video-tag {
  padding: 2px 10px;
  background: rgba(232, 69, 107, 0.12);
  color: var(--primary);
  border-radius: 12px;
  font-size: 0.75rem;
}

/* === 服务模块 === */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: var(--primary);
}

.service-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.service-icon svg {
  width: 30px;
  height: 30px;
  fill: #fff;
}

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* === AI赋能 === */
.ai-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.ai-card {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(232, 69, 107, 0.08) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
}

.ai-card:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 32px rgba(255, 140, 66, 0.15);
}

.ai-card-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.ai-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.ai-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* === 社区互动 === */
.community-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.community-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
}

.community-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.community-icon {
  font-size: 2.2rem;
  margin-bottom: 14px;
}

.community-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.community-card p {
  color: var(--text-muted);
  font-size: 0.88rem;
}

/* === 专家团队 === */
.experts-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.expert-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  text-align: center;
  transition: var(--transition);
}

.expert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.expert-avatar {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.expert-info {
  padding: 20px 16px;
}

.expert-info h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.expert-info .role {
  color: var(--primary);
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.expert-info p {
  color: var(--text-muted);
  font-size: 0.82rem;
  margin-bottom: 14px;
}

.expert-btns {
  display: flex;
  gap: 8px;
  justify-content: center;
}

.expert-btns a {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid var(--primary);
  color: var(--primary);
  transition: var(--transition);
}

.expert-btns a:hover {
  background: var(--primary);
  color: #fff;
}

/* === 合作品牌 === */
.partners-wall {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  padding: 20px 0;
}

.partner-logo {
  height: 60px;
  opacity: 0.6;
  transition: var(--transition);
  filter: grayscale(50%);
}

.partner-logo:hover {
  opacity: 1;
  filter: grayscale(0%);
}

/* === 用户评论 === */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: var(--transition);
}

.review-card:hover {
  box-shadow: var(--shadow-card);
}

.review-stars {
  color: var(--accent);
  font-size: 1rem;
  margin-bottom: 12px;
}

.review-card blockquote {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 16px;
  font-style: italic;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.review-author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
}

.review-author-info strong {
  font-size: 0.9rem;
}

.review-author-info span {
  display: block;
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* === FAQ === */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--bg-card);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.98rem;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--primary);
}

.faq-question .faq-toggle {
  font-size: 1.2rem;
  transition: var(--transition);
  color: var(--primary);
}

.faq-answer {
  padding: 0 24px 18px;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

/* === 联系我们 === */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.2rem;
}

.contact-item h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-item p {
  color: var(--text-muted);
  font-size: 0.88rem;
}

.contact-qrcodes {
  display: flex;
  gap: 24px;
  justify-content: center;
}

.qrcode-box {
  text-align: center;
}

.qrcode-box img {
  width: 160px;
  height: 160px;
  border-radius: var(--radius);
  border: 2px solid var(--border-color);
  margin-bottom: 8px;
}

.qrcode-box p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* === How-To指南 === */
.howto-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 30px;
}

.howto-step {
  text-align: center;
  padding: 24px 16px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  position: relative;
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  font-weight: 700;
  font-size: 1.1rem;
}

.howto-step h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.howto-step p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* === 社交分享 === */
.share-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 20px;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 24px;
  font-size: 0.88rem;
  font-weight: 500;
  color: #fff;
  transition: var(--transition);
}

.share-btn:hover {
  transform: translateY(-2px);
  color: #fff;
}

.share-btn.wechat { background: #07C160; }
.share-btn.weibo { background: #E6162D; }
.share-btn.douyin { background: #161823; border: 1px solid #333; }
.share-btn.bilibili { background: #00A1D6; }

/* === 页脚 === */
.site-footer {
  background: var(--secondary);
  border-top: 1px solid var(--border-color);
  padding: 48px 0 24px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .site-logo {
  margin-bottom: 14px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-light);
}

.footer-col a {
  display: block;
  color: var(--text-muted);
  font-size: 0.88rem;
  padding: 4px 0;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* === 面包屑 === */
.breadcrumb {
  padding: 16px 0;
  margin-top: 72px;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.breadcrumb-list a {
  color: var(--text-muted);
}

.breadcrumb-list a:hover {
  color: var(--primary);
}

.breadcrumb-list .separator {
  color: var(--border-color);
}

/* === 内页通用 === */
.page-hero {
  padding: 100px 20px 60px;
  text-align: center;
  background: var(--gradient-dark);
  margin-top: 72px;
}

.page-hero h1 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.page-hero p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

.page-content {
  padding: 60px 0;
}

.page-content h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 16px;
  margin-top: 40px;
}

.page-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  margin-top: 28px;
}

.page-content p {
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.8;
}

/* === 数据统计条 === */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 40px 0;
}

.stat-item {
  text-align: center;
  padding: 24px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-top: 4px;
}

/* === 回到顶部 === */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
  border: none;
  box-shadow: 0 4px 16px rgba(232, 69, 107, 0.4);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-3px);
}

/* === 响应式 === */
@media (max-width: 1024px) {
  .video-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .experts-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  .howto-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 2rem;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(15, 10, 26, 0.98);
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
  }
  .main-nav.active {
    display: flex;
  }
  .mobile-menu-btn {
    display: flex;
  }
  .video-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .ai-grid,
  .community-grid,
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .services-grid,
  .experts-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .howto-steps {
    grid-template-columns: 1fr;
  }
  .stats-bar {
    grid-template-columns: 1fr 1fr;
  }
  .section {
    padding: 50px 0;
  }
  .hero-section {
    min-height: 400px;
    padding: 60px 20px;
  }
}

@media (max-width: 480px) {
  .video-grid {
    grid-template-columns: 1fr;
  }
  .hero-content h1 {
    font-size: 1.6rem;
  }
  .hero-btns {
    flex-direction: column;
    align-items: center;
  }
  .contact-qrcodes {
    flex-direction: column;
    align-items: center;
  }
  .stats-bar {
    grid-template-columns: 1fr;
  }
}

/* === 懒加载 === */
img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.5s ease;
}

img[loading="lazy"].loaded {
  opacity: 1;
}

/* === 动画 === */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 0.6s ease forwards;
}

/* === 视频日期 === */
.video-date {
  color: var(--text-muted);
  font-size: 0.75rem;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border-color);
}

/* === 娱乐专区 === */
.entertainment-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.entertainment-card {
  background: linear-gradient(145deg, var(--bg-card) 0%, rgba(255, 140, 66, 0.06) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: var(--transition);
}

.entertainment-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(255, 140, 66, 0.2);
  border-color: var(--accent);
}

.ent-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.entertainment-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.entertainment-card p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 14px;
}

.ent-stats {
  display: flex;
  gap: 16px;
  font-size: 0.78rem;
  color: var(--accent);
}

/* === 6列服务网格 === */
.services-grid-6 {
  grid-template-columns: repeat(3, 1fr);
}

/* === 6列社区网格 === */
.community-grid-6 {
  grid-template-columns: repeat(3, 1fr);
}

/* === 6列专家网格 === */
.experts-grid-6 {
  grid-template-columns: repeat(3, 1fr);
}

/* === 专家资质 === */
.expert-credentials {
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 12px;
  padding: 6px 12px;
  background: rgba(255, 140, 66, 0.08);
  border-radius: 8px;
  display: inline-block;
}

/* === 评论日期 === */
.review-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 10px;
  text-align: right;
}

/* === 信任信号 === */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.trust-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
}

.trust-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-card);
}

.trust-icon {
  font-size: 2.2rem;
  margin-bottom: 14px;
}

.trust-card h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.trust-card p {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* === 视频播放器模态框 === */
.video-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  align-items: center;
  justify-content: center;
}

.video-modal.active {
  display: flex;
}

.video-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
}

.video-modal-content {
  position: relative;
  width: 90%;
  max-width: 800px;
  z-index: 1;
}

.video-modal-close {
  position: absolute;
  top: -40px;
  right: 0;
  background: none;
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  transition: var(--transition);
}

.video-modal-close:hover {
  color: var(--primary);
  transform: scale(1.2);
}

.video-modal-player {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #000;
}

.video-player-placeholder {
  aspect-ratio: 16/9;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a1230 0%, #0f0a1a 100%);
  padding: 20px;
}

.video-player-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  box-shadow: 0 8px 32px rgba(232, 69, 107, 0.4);
  cursor: pointer;
  transition: var(--transition);
}

.video-player-icon:hover {
  transform: scale(1.1);
}

.video-player-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: #fff;
}

.video-player-info {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.video-player-progress {
  width: 80%;
  height: 4px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 2px;
  margin-bottom: 12px;
  overflow: hidden;
}

.progress-bar {
  width: 0%;
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 2px;
  animation: progressAnim 3s ease-in-out infinite;
}

@keyframes progressAnim {
  0% { width: 0%; }
  50% { width: 65%; }
  100% { width: 100%; }
}

.video-player-controls {
  display: flex;
  justify-content: space-between;
  width: 80%;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* === 响应式补充 === */
@media (max-width: 1024px) {
  .entertainment-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .services-grid-6 {
    grid-template-columns: repeat(2, 1fr);
  }
  .community-grid-6 {
    grid-template-columns: repeat(2, 1fr);
  }
  .experts-grid-6 {
    grid-template-columns: repeat(2, 1fr);
  }
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .entertainment-grid {
    grid-template-columns: 1fr;
  }
  .services-grid-6,
  .community-grid-6,
  .experts-grid-6 {
    grid-template-columns: 1fr;
  }
  .trust-grid {
    grid-template-columns: 1fr;
  }
  .video-modal-content {
    width: 95%;
  }
}