/* ============================================
   福利姬网站 - 原创样式表
   品牌：福利姬网站 | 域名：eqpflra.cn
   定位：国内影视传媒公司+动漫社区
   配色方案：深紫黑+活力橙+翠绿
   ============================================ */

/* === 基础重置与全局变量 === */
:root {
  --primary: #1A0A2E;
  --secondary: #FF6B35;
  --accent: #00D4AA;
  --bg-deep: #0D0D1A;
  --bg-card: #151528;
  --bg-card-hover: #1E1E3A;
  --text-main: #E8E6F0;
  --text-muted: #9B97B0;
  --text-bright: #FFFFFF;
  --gradient-hot: linear-gradient(135deg, #FF6B35, #FF3CAC);
  --gradient-hero: linear-gradient(135deg, #1A0A2E 0%, #2D1B69 50%, #0D0D1A 100%);
  --gradient-accent: linear-gradient(135deg, #00D4AA, #00A8CC);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 8px 40px rgba(255, 107, 53, 0.2);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1280px;
}

*, *::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-color: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

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

.container {
  max-width: var(--max-width);
  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(13, 13, 26, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 107, 53, 0.15);
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  height: 68px;
}

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

.site-logo img {
  height: 46px;
  width: auto;
}

.site-logo span {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-bright);
  letter-spacing: 1px;
}

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

.main-nav a {
  color: var(--text-main);
  font-size: 0.95rem;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--text-bright);
  background: rgba(255, 107, 53, 0.15);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-bright);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* === 搜索框 === */
.search-bar-wrap {
  background: var(--primary);
  padding: 12px 0;
  margin-top: 68px;
  border-bottom: 1px solid rgba(255, 107, 53, 0.1);
}

.search-bar {
  display: flex;
  align-items: center;
  max-width: 680px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid rgba(255, 107, 53, 0.2);
  border-radius: 40px;
  overflow: hidden;
  transition: var(--transition);
}

.search-bar:focus-within {
  border-color: var(--secondary);
  box-shadow: 0 0 20px rgba(255, 107, 53, 0.15);
}

.search-bar input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 12px 24px;
  color: var(--text-main);
  font-size: 0.95rem;
}

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

.search-bar button {
  background: var(--gradient-hot);
  border: none;
  color: var(--text-bright);
  padding: 12px 28px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 600;
}

.search-bar button:hover {
  opacity: 0.9;
}

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

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(13,13,26,0.3) 0%, rgba(13,13,26,0.85) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 60px 20px;
}

.hero-content h1 {
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-bright);
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.5);
  line-height: 1.3;
}

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

.hero-content p {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 30px;
  line-height: 1.8;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient-hot);
  color: var(--text-bright);
  padding: 14px 36px;
  border-radius: 40px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 107, 53, 0.4);
  color: var(--text-bright);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--accent);
  padding: 14px 36px;
  border-radius: 40px;
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid var(--accent);
  cursor: pointer;
  transition: var(--transition);
}

.btn-outline:hover {
  background: var(--accent);
  color: var(--bg-deep);
  transform: translateY(-2px);
}

/* === 通用区块标题 === */
.section-title {
  text-align: center;
  margin-bottom: 48px;
}

.section-title h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 12px;
}

.section-title h2 .highlight {
  color: var(--secondary);
}

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

.section-tag {
  display: inline-block;
  background: var(--gradient-hot);
  color: var(--text-bright);
  font-size: 0.8rem;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 12px;
  font-weight: 600;
  letter-spacing: 1px;
}

/* === 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;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(255, 107, 53, 0.3);
}

.video-thumb {
  position: relative;
  padding-top: 56.25%;
  overflow: hidden;
}

.video-thumb img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.video-card:hover .video-thumb img {
  transform: scale(1.08);
}

.play-btn-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  opacity: 0;
  transition: var(--transition);
}

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

.play-btn-circle {
  width: 60px;
  height: 60px;
  background: var(--gradient-hot);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(255, 107, 53, 0.5);
  transition: var(--transition);
}

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

.play-btn-circle svg {
  width: 24px;
  height: 24px;
  fill: white;
  margin-left: 3px;
}

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

.video-info {
  padding: 16px;
}

.video-info h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.5;
}

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

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

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

.video-tags span {
  font-size: 0.75rem;
  padding: 2px 10px;
  border-radius: 12px;
  background: rgba(255, 107, 53, 0.12);
  color: var(--secondary);
}

/* === 各内容区块 === */
.section-block {
  padding: 80px 0;
}

.section-block:nth-child(even) {
  background: rgba(26, 10, 46, 0.3);
}

/* === 服务模块网格 === */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 212, 170, 0.3);
  box-shadow: 0 8px 30px rgba(0, 212, 170, 0.1);
}

.service-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--gradient-accent);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.service-card h3 {
  font-size: 1.15rem;
  color: var(--text-bright);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* === AI赋能区块 === */
.ai-feature-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.ai-feature-img {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.ai-feature-list {
  list-style: none;
}

.ai-feature-list li {
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.ai-feature-list li .ai-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: var(--gradient-hot);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.ai-feature-list li h4 {
  font-size: 1.05rem;
  color: var(--text-bright);
  margin-bottom: 4px;
}

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

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

.community-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.05);
  position: relative;
  overflow: hidden;
}

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

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

.community-card h3 {
  font-size: 1.1rem;
  color: var(--text-bright);
  margin-bottom: 10px;
}

.community-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.community-stat {
  margin-top: 14px;
  display: flex;
  gap: 16px;
}

.community-stat span {
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 600;
}

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

.expert-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.05);
  text-align: center;
}

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

.expert-avatar {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}

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

.expert-info h3 {
  font-size: 1.1rem;
  color: var(--text-bright);
  margin-bottom: 4px;
}

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

.expert-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
}

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

.expert-btns a {
  font-size: 0.82rem;
  padding: 6px 16px;
  border-radius: 20px;
  border: 1px solid var(--secondary);
  color: var(--secondary);
  transition: var(--transition);
}

.expert-btns a:hover {
  background: var(--secondary);
  color: var(--text-bright);
}

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

.review-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition);
}

.review-card:hover {
  border-color: rgba(255, 107, 53, 0.2);
}

.review-stars {
  color: #FFD700;
  font-size: 1rem;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.review-card blockquote {
  font-size: 0.95rem;
  color: var(--text-main);
  line-height: 1.8;
  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-hot);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-bright);
  font-weight: 700;
  font-size: 0.9rem;
}

.review-author .name {
  font-size: 0.9rem;
  color: var(--text-bright);
  font-weight: 600;
}

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

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

.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius);
  margin-bottom: 12px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--text-bright);
  padding: 20px 24px;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.faq-question:hover {
  background: rgba(255, 107, 53, 0.05);
}

.faq-question .arrow {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
  color: var(--secondary);
}

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

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

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

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.8;
}

/* === 合作品牌 === */
.partner-section img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

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

.contact-info-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 36px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-info-card h3 {
  font-size: 1.3rem;
  color: var(--text-bright);
  margin-bottom: 20px;
}

.contact-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-item:last-child {
  border-bottom: none;
}

.contact-item .icon {
  width: 36px;
  height: 36px;
  min-width: 36px;
  background: var(--gradient-hot);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.contact-item .label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.contact-item .value {
  font-size: 0.95rem;
  color: var(--text-bright);
  font-weight: 500;
}

/* === 页脚 === */
.site-footer {
  background: var(--primary);
  padding: 60px 0 0;
  border-top: 1px solid rgba(255, 107, 53, 0.15);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-top: 16px;
}

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

.footer-col a {
  display: block;
  font-size: 0.9rem;
  color: var(--text-muted);
  padding: 4px 0;
  transition: var(--transition);
}

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

.footer-qr {
  display: flex;
  gap: 20px;
  margin-top: 20px;
}

.footer-qr-item {
  text-align: center;
}

.footer-qr-item img {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
}

.footer-qr-item span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-bottom .update-time {
  margin-top: 6px;
  font-size: 0.82rem;
}

/* === 社交分享 === */
.share-btns {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 30px;
  flex-wrap: wrap;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 24px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-bright);
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.share-btn:hover {
  transform: translateY(-2px);
  color: var(--text-bright);
}

.share-btn.wechat { background: #07C160; }
.share-btn.weibo { background: #E6162D; }
.share-btn.douyin { background: #161823; border: 1px solid #FE2C55; }
.share-btn.bilibili { background: #00A1D6; }

/* === 面包屑 === */
.breadcrumb {
  padding: 16px 0;
  font-size: 0.88rem;
  color: var(--text-muted);
}

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

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

.breadcrumb span {
  margin: 0 8px;
  color: rgba(255, 255, 255, 0.2);
}

/* === 内页通用 === */
.page-hero {
  padding: 120px 0 60px;
  background: var(--gradient-hero);
  text-align: center;
}

.page-hero h1 {
  font-size: 2.4rem;
  color: var(--text-bright);
  margin-bottom: 12px;
}

.page-hero p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

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

.content-article {
  max-width: 900px;
  margin: 0 auto;
}

.content-article h2 {
  font-size: 1.6rem;
  color: var(--text-bright);
  margin: 36px 0 16px;
  padding-left: 16px;
  border-left: 4px solid var(--secondary);
}

.content-article h3 {
  font-size: 1.3rem;
  color: var(--text-bright);
  margin: 28px 0 12px;
}

.content-article p {
  font-size: 1rem;
  color: var(--text-main);
  line-height: 1.9;
  margin-bottom: 16px;
}

.content-article .feature-img {
  border-radius: var(--radius);
  margin: 24px 0;
  box-shadow: var(--shadow-card);
}

/* === How-To 指南 === */
.howto-steps {
  counter-reset: step;
}

.howto-step {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.howto-step::before {
  counter-increment: step;
  content: counter(step);
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: var(--gradient-hot);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-bright);
}

.howto-step h4 {
  font-size: 1.05rem;
  color: var(--text-bright);
  margin-bottom: 6px;
}

.howto-step p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

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

@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: rgba(13, 13, 26, 0.98);
    flex-direction: column;
    padding: 16px;
    border-bottom: 1px solid rgba(255, 107, 53, 0.15);
  }

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

  .main-nav a {
    padding: 12px 16px;
    width: 100%;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

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

  .service-grid,
  .community-grid,
  .review-grid {
    grid-template-columns: 1fr;
  }

  .ai-feature-wrap {
    grid-template-columns: 1fr;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .section-block {
    padding: 50px 0;
  }

  .section-title h2 {
    font-size: 1.6rem;
  }

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

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

  .expert-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-qr {
    flex-direction: column;
    align-items: center;
  }
}

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

img[loading="lazy"].loaded,
img.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;
}

/* === MCP前端占位 === */
.mcp-widget {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid rgba(0, 212, 170, 0.2);
  text-align: center;
}

.mcp-widget h4 {
  color: var(--accent);
  margin-bottom: 10px;
}

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

/* === 视频播放器弹窗 === */
.video-player-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.video-player-overlay.active {
  opacity: 1;
}

.video-player-modal {
  background: #111;
  border-radius: var(--radius);
  width: 90%;
  max-width: 720px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
}

.player-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  background: var(--primary);
  border-bottom: 1px solid rgba(255, 107, 53, 0.2);
}

.player-title {
  color: var(--text-bright);
  font-size: 0.95rem;
  font-weight: 600;
}

.player-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1;
}

.player-close:hover {
  color: var(--secondary);
}

.player-body {
  position: relative;
}

.player-screen {
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.player-loading {
  text-align: center;
  transition: opacity 0.3s ease;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 107, 53, 0.2);
  border-top-color: var(--secondary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 12px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

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

.player-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: #1a1a2e;
}

.ctrl-btn {
  background: none;
  border: none;
  color: var(--text-bright);
  font-size: 1rem;
  cursor: pointer;
  padding: 4px 8px;
  transition: var(--transition);
}

.ctrl-btn:hover {
  color: var(--secondary);
}

.progress-bar {
  flex: 1;
  height: 4px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-hot);
  border-radius: 2px;
  width: 0;
  transition: width 0.1s linear;
}

.time-display {
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.player-info {
  padding: 12px 20px;
  background: var(--primary);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.player-info p {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-align: center;
}

/* === Play按钮悬停可见状态 === */
.play-btn-overlay.visible {
  opacity: 1;
}

/* === Toast 提示 === */
.toast-msg {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--gradient-hot);
  color: var(--text-bright);
  padding: 12px 28px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  z-index: 10000;
  opacity: 0;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(255, 107, 53, 0.4);
  white-space: nowrap;
}

.toast-msg.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* === 头部滚动状态 === */
.site-header.scrolled {
  background: rgba(13, 13, 26, 0.98);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

/* === 移动端菜单打开状态 === */
.main-nav.open {
  display: flex;
}

/* === 懒加载图片立即显示（非JS环境回退） === */
@media (scripting: none) {
  img[loading="lazy"] {
    opacity: 1;
  }
}

/* === 最新动漫更新时间线 === */
.update-timeline {
  position: relative;
  padding-left: 30px;
}
.update-timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--secondary), var(--accent));
  border-radius: 1px;
}
.timeline-item {
  position: relative;
  margin-bottom: 28px;
  padding: 20px;
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.05);
  transition: transform 0.3s, box-shadow 0.3s;
}
.timeline-item:hover {
  transform: translateX(6px);
  box-shadow: 0 4px 20px rgba(255,107,53,0.15);
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -26px;
  top: 24px;
  width: 12px;
  height: 12px;
  background: var(--secondary);
  border-radius: 50%;
  border: 2px solid var(--bg-deep);
}
.timeline-date {
  font-size: 0.82rem;
  color: var(--secondary);
  font-weight: 600;
  margin-bottom: 6px;
}
.timeline-content h4 {
  font-size: 1rem;
  color: var(--text-bright);
  margin-bottom: 6px;
}
.timeline-content p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 8px;
}

/* === 文章元信息 === */
.article-meta {
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 24px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* === 内页交叉推荐按钮 === */
.btn-outline {
  display: inline-block;
  padding: 10px 24px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px;
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.3s;
}
.btn-outline:hover {
  border-color: var(--secondary);
  color: var(--secondary);
  background: rgba(255,107,53,0.08);
}