/* ============================================
   母狗官网 - 原创样式表
   品牌：母狗官网 | 域名：hywlc.cn
   配色方案：暗夜霓虹风格
   ============================================ */

/* CSS变量定义 */
:root {
  --mg-primary: #1A0A2E;
  --mg-secondary: #FF2D78;
  --mg-accent: #00E5FF;
  --mg-bg: #0D0D1A;
  --mg-bg-alt: #141428;
  --mg-text: #F0F0F5;
  --mg-text-muted: #A0A0B8;
  --mg-gradient: linear-gradient(135deg, #FF2D78, #7B2FBE);
  --mg-gradient-alt: linear-gradient(135deg, #00E5FF, #7B2FBE);
  --mg-card-bg: #1A1A30;
  --mg-border: #2A2A45;
  --mg-shadow: 0 4px 24px rgba(255, 45, 120, 0.15);
  --mg-radius: 12px;
  --mg-radius-sm: 8px;
  --mg-transition: all 0.3s ease;
  --mg-font: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
}

/* 全局重置 */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--mg-font);
  background-color: var(--mg-bg);
  color: var(--mg-text);
  line-height: 1.7;
  overflow-x: hidden;
}

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

a:hover {
  color: var(--mg-secondary);
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-title {
  text-align: center;
  margin-bottom: 48px;
}

.section-title h2 {
  font-size: 2rem;
  font-weight: 700;
  background: var(--mg-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

.section-title p {
  color: var(--mg-text-muted);
  font-size: 1rem;
}

/* ============ 顶部导航栏 ============ */
.mg-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(13, 13, 26, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--mg-border);
  transition: var(--mg-transition);
}

.mg-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

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

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

.mg-logo span {
  font-size: 1.3rem;
  font-weight: 700;
  background: var(--mg-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mg-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.mg-nav a {
  color: var(--mg-text);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 8px 0;
  position: relative;
}

.mg-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--mg-gradient);
  transition: width 0.3s ease;
}

.mg-nav a:hover::after,
.mg-nav a.active::after {
  width: 100%;
}

.mg-nav a:hover {
  color: var(--mg-secondary);
}

/* 移动端菜单按钮 */
.mg-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.mg-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--mg-text);
  transition: var(--mg-transition);
}

/* ============ 搜索框 ============ */
.mg-search-bar {
  background: var(--mg-bg-alt);
  padding: 12px 0;
  border-bottom: 1px solid var(--mg-border);
  margin-top: 68px;
}

.mg-search-bar .container {
  display: flex;
  justify-content: center;
}

.mg-search-wrap {
  display: flex;
  align-items: center;
  max-width: 600px;
  width: 100%;
  background: var(--mg-card-bg);
  border: 1px solid var(--mg-border);
  border-radius: 50px;
  overflow: hidden;
  transition: var(--mg-transition);
}

.mg-search-wrap:focus-within {
  border-color: var(--mg-secondary);
  box-shadow: 0 0 12px rgba(255, 45, 120, 0.25);
}

.mg-search-wrap input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--mg-text);
  padding: 12px 20px;
  font-size: 0.95rem;
  font-family: var(--mg-font);
}

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

.mg-search-wrap button {
  background: var(--mg-gradient);
  border: none;
  color: #fff;
  padding: 12px 24px;
  font-size: 0.95rem;
  cursor: pointer;
  font-family: var(--mg-font);
  transition: var(--mg-transition);
}

.mg-search-wrap button:hover {
  opacity: 0.85;
}

/* ============ Hero Banner ============ */
.mg-hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--mg-primary);
}

.mg-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.mg-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(13,13,26,0.6) 0%, rgba(13,13,26,0.9) 100%);
}

.mg-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  width: 100%;
  padding: 80px 20px;
}

.mg-hero-content h1 {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.3;
}

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

.mg-hero-content p {
  font-size: 1.15rem;
  color: var(--mg-text-muted);
  max-width: 680px;
  margin: 0 auto 32px;
}

.mg-btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--mg-transition);
  border: none;
  font-family: var(--mg-font);
}

.mg-btn-primary {
  background: var(--mg-gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(255, 45, 120, 0.35);
}

.mg-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255, 45, 120, 0.5);
  color: #fff;
}

.mg-btn-outline {
  background: transparent;
  color: var(--mg-accent);
  border: 2px solid var(--mg-accent);
}

.mg-btn-outline:hover {
  background: var(--mg-accent);
  color: var(--mg-bg);
}

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

/* ============ 面包屑导航 ============ */
.mg-breadcrumb {
  padding: 16px 0;
  font-size: 0.85rem;
  color: var(--mg-text-muted);
}

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

.mg-breadcrumb a:hover {
  color: var(--mg-secondary);
}

.mg-breadcrumb span {
  margin: 0 8px;
}

/* ============ 视频卡片区域 ============ */
.mg-section {
  padding: 72px 0;
}

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

.mg-video-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

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

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

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

.mg-video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.mg-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  width: 56px;
  height: 56px;
  background: rgba(255, 45, 120, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--mg-transition);
}

.mg-play-btn::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent #fff;
  margin-left: 3px;
}

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

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

.mg-video-info {
  padding: 16px;
}

.mg-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;
}

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

.mg-video-meta .views::before {
  content: '▶ ';
}

.mg-video-meta .likes::before {
  content: '♥ ';
  color: var(--mg-secondary);
}

.mg-video-tag {
  display: inline-block;
  background: rgba(255, 45, 120, 0.15);
  color: var(--mg-secondary);
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  margin-top: 8px;
}

/* ============ 影视传媒模块 ============ */
.mg-media-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

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

.mg-media-card:hover {
  border-color: var(--mg-secondary);
  box-shadow: var(--mg-shadow);
  transform: translateY(-4px);
}

.mg-media-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--mg-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.mg-media-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

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

/* ============ 专家展示 ============ */
.mg-expert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

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

.mg-expert-card:hover {
  border-color: var(--mg-accent);
  box-shadow: 0 4px 24px rgba(0, 229, 255, 0.15);
}

.mg-expert-avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  border: 3px solid var(--mg-border);
  transition: var(--mg-transition);
}

.mg-expert-card:hover .mg-expert-avatar {
  border-color: var(--mg-accent);
}

.mg-expert-card h3 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.mg-expert-card .role {
  color: var(--mg-secondary);
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.mg-expert-card p {
  color: var(--mg-text-muted);
  font-size: 0.88rem;
  margin-bottom: 16px;
}

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

.mg-btn-sm {
  padding: 8px 18px;
  font-size: 0.82rem;
  border-radius: 50px;
}

/* ============ 合作品牌墙 ============ */
.mg-partner-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
  align-items: center;
}

.mg-partner-item {
  background: var(--mg-card-bg);
  border: 1px solid var(--mg-border);
  border-radius: var(--mg-radius-sm);
  padding: 20px 32px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--mg-text-muted);
  transition: var(--mg-transition);
}

.mg-partner-item:hover {
  border-color: var(--mg-secondary);
  color: var(--mg-text);
}

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

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

.mg-faq-question {
  padding: 20px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  transition: var(--mg-transition);
}

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

.mg-faq-question .arrow {
  transition: transform 0.3s ease;
  font-size: 0.8rem;
}

.mg-faq-item.active .mg-faq-question .arrow {
  transform: rotate(180deg);
}

.mg-faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.mg-faq-item.active .mg-faq-answer {
  max-height: 300px;
}

.mg-faq-answer p {
  padding: 0 24px 20px;
  color: var(--mg-text-muted);
  font-size: 0.92rem;
}

/* ============ 用户评论 ============ */
.mg-review-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

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

.mg-review-card:hover {
  border-color: var(--mg-accent);
}

.mg-review-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.mg-review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--mg-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
  color: #fff;
}

.mg-review-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.mg-review-date {
  font-size: 0.8rem;
  color: var(--mg-text-muted);
}

.mg-review-stars {
  color: #FFD700;
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.mg-review-text {
  color: var(--mg-text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ============ 联系我们 ============ */
.mg-contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  align-items: start;
}

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

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

.mg-contact-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--mg-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

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

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

.mg-qrcode-grid {
  display: flex;
  gap: 24px;
  justify-content: center;
}

.mg-qrcode-item {
  text-align: center;
}

.mg-qrcode-item img {
  width: 160px;
  height: 160px;
  border-radius: var(--mg-radius-sm);
  margin-bottom: 8px;
}

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

/* ============ 社交分享 ============ */
.mg-share-bar {
  display: flex;
  gap: 12px;
  justify-content: center;
  padding: 24px 0;
}

.mg-share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid var(--mg-border);
  background: var(--mg-card-bg);
  color: var(--mg-text);
  cursor: pointer;
  transition: var(--mg-transition);
  font-family: var(--mg-font);
}

.mg-share-btn:hover {
  border-color: var(--mg-secondary);
  color: var(--mg-secondary);
}

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

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

.mg-footer-brand img {
  height: 40px;
  margin-bottom: 16px;
}

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

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

.mg-footer-links {
  list-style: none;
}

.mg-footer-links li {
  margin-bottom: 10px;
}

.mg-footer-links a {
  color: var(--mg-text-muted);
  font-size: 0.88rem;
}

.mg-footer-links a:hover {
  color: var(--mg-secondary);
}

.mg-footer-bottom {
  border-top: 1px solid var(--mg-border);
  padding-top: 24px;
  text-align: center;
  color: var(--mg-text-muted);
  font-size: 0.82rem;
}

.mg-footer-bottom a {
  color: var(--mg-text-muted);
}

/* ============ 内页通用 ============ */
.mg-page-header {
  background: var(--mg-primary);
  padding: 100px 0 48px;
  text-align: center;
}

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

.mg-page-header p {
  color: var(--mg-text-muted);
  font-size: 1.05rem;
}

.mg-content-section {
  padding: 48px 0;
}

.mg-content-section h2 {
  font-size: 1.6rem;
  margin-bottom: 20px;
  color: var(--mg-text);
}

.mg-content-section h3 {
  font-size: 1.3rem;
  margin-bottom: 16px;
  color: var(--mg-text);
}

.mg-content-section p {
  color: var(--mg-text-muted);
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.mg-content-img {
  border-radius: var(--mg-radius);
  margin: 24px 0;
  width: 100%;
}

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

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

.mg-community-card:hover {
  border-color: var(--mg-accent);
  transform: translateY(-4px);
}

.mg-community-card h3 {
  margin-bottom: 12px;
  font-size: 1.05rem;
}

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

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

.mg-ai-card {
  background: var(--mg-card-bg);
  border: 1px solid var(--mg-border);
  border-radius: var(--mg-radius);
  padding: 32px 24px;
  transition: var(--mg-transition);
  position: relative;
  overflow: hidden;
}

.mg-ai-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--mg-gradient-alt);
}

.mg-ai-card:hover {
  border-color: var(--mg-accent);
  transform: translateY(-4px);
}

.mg-ai-card h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
}

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

/* ============ How-To 指南 ============ */
.mg-howto-steps {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

.mg-howto-step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--mg-card-bg);
  border: 1px solid var(--mg-border);
  border-radius: var(--mg-radius);
  padding: 24px;
}

.mg-step-num {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: var(--mg-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
  color: #fff;
}

.mg-howto-step h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.mg-howto-step p {
  color: var(--mg-text-muted);
  font-size: 0.9rem;
}

/* ============ 懒加载占位 ============ */
img[loading="lazy"] {
  opacity: 1;
  transition: opacity 0.5s ease;
}

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

/* ============ 响应式设计 ============ */
@media (max-width: 1024px) {
  .mg-video-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .mg-footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .mg-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: rgba(13, 13, 26, 0.98);
    flex-direction: column;
    padding: 20px;
    gap: 16px;
    border-bottom: 1px solid var(--mg-border);
  }

  .mg-nav.active {
    display: flex;
  }

  .mg-menu-btn {
    display: flex;
  }

  .mg-hero-content h1 {
    font-size: 1.8rem;
  }

  .mg-video-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .mg-media-grid,
  .mg-expert-grid,
  .mg-ai-grid,
  .mg-community-features {
    grid-template-columns: 1fr;
  }

  .mg-review-grid {
    grid-template-columns: 1fr;
  }

  .mg-contact-grid {
    grid-template-columns: 1fr;
  }

  .mg-footer-grid {
    grid-template-columns: 1fr;
  }

  .mg-share-bar {
    flex-wrap: wrap;
  }

  .section-title h2 {
    font-size: 1.5rem;
  }

  .mg-hero {
    min-height: 400px;
  }
}

@media (max-width: 480px) {
  .mg-video-grid {
    grid-template-columns: 1fr;
  }

  .mg-hero-content h1 {
    font-size: 1.5rem;
  }

  .mg-hero-btns {
    flex-direction: column;
    align-items: center;
  }

  .mg-qrcode-grid {
    flex-direction: column;
    align-items: center;
  }
}

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

.mg-animate {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.mg-animate-delay-1 { animation-delay: 0.1s; }
.mg-animate-delay-2 { animation-delay: 0.2s; }
.mg-animate-delay-3 { animation-delay: 0.3s; }
.mg-animate-delay-4 { animation-delay: 0.4s; }

/* ============ 标签云 ============ */
.mg-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.mg-tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(0, 229, 255, 0.1);
  color: var(--mg-accent);
  border-radius: 20px;
  font-size: 0.8rem;
  border: 1px solid rgba(0, 229, 255, 0.2);
  transition: var(--mg-transition);
}

.mg-tag:hover {
  background: rgba(0, 229, 255, 0.2);
  border-color: var(--mg-accent);
}

/* ============ 数据统计条 ============ */
.mg-stats-bar {
  display: flex;
  justify-content: center;
  gap: 48px;
  padding: 40px 0;
  flex-wrap: wrap;
}

.mg-stat-item {
  text-align: center;
}

.mg-stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--mg-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

/* ============ 回到顶部 ============ */
.mg-back-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--mg-gradient);
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 999;
  box-shadow: 0 4px 16px rgba(255, 45, 120, 0.4);
  transition: var(--mg-transition);
}

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

/* ============ 页脚联系列表无链接样式 ============ */
.mg-footer-links li {
  color: var(--mg-text-muted);
  font-size: 0.88rem;
}

/* ============ 面包屑导航 ============ */
.mg-breadcrumb {
  background: var(--mg-bg-alt);
  padding: 10px 0;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--mg-border);
}

.mg-breadcrumb .container {
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.mg-breadcrumb a:hover {
  color: var(--mg-secondary);
}

.mg-breadcrumb span {
  color: var(--mg-text-muted);
}

.mg-breadcrumb strong {
  color: var(--mg-text);
  font-weight: 500;
}

/* ============ H5视频播放器区域 ============ */
.mg-video-player-wrap {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  align-items: start;
}

.mg-video-player-main {
  position: relative;
  border-radius: var(--mg-radius);
  overflow: hidden;
  background: #000;
  aspect-ratio: 16/9;
}

.mg-video-player-main video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.mg-video-player-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.45);
  cursor: pointer;
  transition: var(--mg-transition);
}

.mg-video-player-overlay:hover {
  background: rgba(0, 0, 0, 0.3);
}

.mg-video-player-overlay p {
  color: #fff;
  font-size: 0.95rem;
  margin-top: 12px;
}

.mg-play-btn-lg {
  width: 72px;
  height: 72px;
  background: rgba(255, 45, 120, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.mg-video-player-overlay:hover .mg-play-btn-lg {
  transform: scale(1.1);
}

.mg-play-btn-lg::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 14px 0 14px 24px;
  border-color: transparent transparent transparent #fff;
  margin-left: 4px;
}

.mg-video-playlist {
  background: var(--mg-card-bg);
  border: 1px solid var(--mg-border);
  border-radius: var(--mg-radius);
  padding: 20px;
  max-height: 420px;
  overflow-y: auto;
}

.mg-video-playlist h4 {
  font-size: 1rem;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--mg-border);
}

.mg-playlist-item {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 10px;
  border-radius: var(--mg-radius-sm);
  cursor: pointer;
  transition: var(--mg-transition);
  margin-bottom: 8px;
}

.mg-playlist-item:hover,
.mg-playlist-item.active {
  background: rgba(255, 45, 120, 0.1);
  border-left: 3px solid var(--mg-secondary);
}

.mg-playlist-item img {
  width: 120px;
  height: 68px;
  object-fit: cover;
  border-radius: 6px;
  flex-shrink: 0;
}

.mg-playlist-item h5 {
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 4px;
  line-height: 1.3;
}

.mg-playlist-item span {
  font-size: 0.75rem;
  color: var(--mg-text-muted);
}

@media (max-width: 768px) {
  .mg-video-player-wrap {
    grid-template-columns: 1fr;
  }
  .mg-video-playlist {
    max-height: 250px;
  }
}