/* ============================================
   同好动漫 官方网站 - 全局样式表
   品牌色系：珊瑚粉(#FF6B9D) + 深莓紫(#C71585) + 午夜蓝(#001F3F)
   排版系统：现代中文媒体品牌风格
   ============================================ */

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

:root {
  /* 品牌色彩 */
  --color-coral: #FF6B9D;
  --color-berry: #C71585;
  --color-navy: #001F3F;
  --color-light-pink: #FFE5F0;
  --color-cyan: #00D4FF;
  --color-white: #FFFFFF;
  --color-dark-bg: #0A0E27;
  --color-text-dark: #1A1A2E;
  --color-text-light: #F0F0F0;
  --color-border: #E0E0E0;
  --color-border-dark: #2A2A4E;
  
  /* 间距系统 */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  
  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  /* 阴影 */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.2);
  
  /* 字体 */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', sans-serif;
  --font-display: 'Poppins', 'Montserrat', 'Microsoft YaHei', sans-serif;
  
  /* 过渡 */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============ 基础元素 ============ */

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-dark);
  background: var(--color-white);
  overflow-x: hidden;
}

body.dark-mode {
  background: var(--color-dark-bg);
  color: var(--color-text-light);
}

/* 标题排版 */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: inherit;
}

h1 {
  font-size: clamp(28px, 5vw, 48px);
  letter-spacing: -0.5px;
}

h2 {
  font-size: clamp(24px, 4vw, 36px);
  letter-spacing: -0.3px;
}

h3 {
  font-size: clamp(20px, 3vw, 28px);
}

h4 {
  font-size: 20px;
}

h5 {
  font-size: 18px;
}

h6 {
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.8;
}

p {
  margin-bottom: var(--spacing-md);
}

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

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

/* ============ 容器与布局 ============ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
}

.section {
  padding: var(--spacing-2xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-coral), var(--color-berry));
  margin: var(--spacing-md) auto 0;
  border-radius: 2px;
}

/* ============ 导航栏 ============ */

.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-white);
  box-shadow: var(--shadow-md);
  transition: background var(--transition-base);
}

.navbar.dark-mode {
  background: var(--color-dark-bg);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.navbar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 700;
  font-size: 20px;
  color: var(--color-text-dark);
}

.navbar.dark-mode .navbar-logo {
  color: var(--color-white);
}

.navbar-logo img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.navbar-menu {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
}

.navbar-menu a {
  font-weight: 500;
  position: relative;
  color: var(--color-text-dark);
}

.navbar.dark-mode .navbar-menu a {
  color: var(--color-text-light);
}

.navbar-menu a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-coral);
  transition: width var(--transition-fast);
}

.navbar-menu a:hover::after {
  width: 100%;
}

/* 搜索框 */
.search-box {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--color-light-pink);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-coral);
}

.navbar.dark-mode .search-box {
  background: var(--color-border-dark);
  border-color: var(--color-cyan);
}

.search-box input {
  background: none;
  border: none;
  outline: none;
  width: 200px;
  font-size: 14px;
  color: var(--color-text-dark);
}

.navbar.dark-mode .search-box input {
  color: var(--color-text-light);
}

.search-box input::placeholder {
  color: rgba(26, 26, 46, 0.5);
}

.navbar.dark-mode .search-box input::placeholder {
  color: rgba(240, 240, 240, 0.5);
}

@media (max-width: 768px) {
  .navbar-menu {
    gap: var(--spacing-md);
    font-size: 14px;
  }
  
  .search-box {
    display: none;
  }
}

/* ============ 按钮 ============ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-lg);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-coral), var(--color-berry));
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary {
  background: var(--color-light-pink);
  color: var(--color-coral);
  border: 2px solid var(--color-coral);
}

.btn-secondary:hover {
  background: var(--color-coral);
  color: var(--color-white);
}

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

.btn-outline:hover {
  background: var(--color-coral);
  color: var(--color-white);
}

/* ============ 卡片 ============ */

.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

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

.card.dark-mode {
  background: var(--color-border-dark);
  color: var(--color-text-light);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
}

.card-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.card-description {
  font-size: 14px;
  opacity: 0.8;
  margin-bottom: var(--spacing-md);
}

/* ============ 视频卡片 ============ */

.video-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  cursor: pointer;
}

.video-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-base);
}

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

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

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

.play-button {
  width: 60px;
  height: 60px;
  background: var(--color-coral);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 24px;
}

.video-card-info {
  padding: var(--spacing-md);
}

.video-card-title {
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

.video-card-stats {
  display: flex;
  gap: var(--spacing-md);
  font-size: 12px;
  opacity: 0.7;
}

/* ============ 网格布局 ============ */

.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
}

/* ============ 页脚 ============ */

footer {
  background: var(--color-navy);
  color: var(--color-white);
  padding: var(--spacing-2xl) 0;
  margin-top: var(--spacing-2xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
  color: var(--color-coral);
  margin-bottom: var(--spacing-md);
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
}

.footer-section a:hover {
  color: var(--color-coral);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
  font-size: 14px;
  opacity: 0.8;
}

/* ============ 响应式设计 ============ */

@media (max-width: 768px) {
  .section {
    padding: var(--spacing-xl) 0;
  }
  
  h1 {
    font-size: 28px;
  }
  
  h2 {
    font-size: 24px;
  }
}

/* ============ 动画 ============ */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease-out;
}

.animate-slide-left {
  animation: slideInLeft 0.6s ease-out;
}

.animate-slide-right {
  animation: slideInRight 0.6s ease-out;
}

/* ============ 工具类 ============ */

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

.text-right {
  text-align: right;
}

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.hidden {
  display: none !important;
}

.visible {
  display: block !important;
}

/* ============ 懒加载占位符 ============ */

.lazy-placeholder {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}


/* ============ 视频播放器模态框 ============ */

#video-modal {
  animation: fadeIn 0.3s ease-out;
}

#video-player {
  max-height: 80vh;
  object-fit: contain;
}

/* 视频播放器响应式 */
@media (max-width: 768px) {
  #video-modal > div {
    width: 95% !important;
    max-width: none !important;
  }
  
  #video-player {
    max-height: 60vh;
  }
}

/* 面包屑导航 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 0;
  font-size: 14px;
  color: #666;
  margin-bottom: 20px;
}

.breadcrumb a {
  color: var(--color-coral);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--color-berry);
  text-decoration: underline;
}

.breadcrumb span {
  color: #999;
}

.breadcrumb .active {
  color: var(--color-text-dark);
  font-weight: 600;
}

/* EEAT信息框 */
.eeat-info {
  background: linear-gradient(135deg, rgba(255, 107, 157, 0.05) 0%, rgba(199, 21, 133, 0.05) 100%);
  border-left: 4px solid var(--color-coral);
  padding: 16px;
  border-radius: 8px;
  margin: 20px 0;
}

.eeat-info h4 {
  color: var(--color-coral);
  margin-bottom: 8px;
  font-size: 14px;
}

.eeat-info p {
  font-size: 13px;
  color: #666;
  margin: 0;
  line-height: 1.6;
}

/* 作者信息卡片 */
.author-card {
  display: flex;
  gap: 16px;
  padding: 16px;
  background: #f8f9fa;
  border-radius: 12px;
  margin: 20px 0;
}

.author-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-coral), var(--color-berry));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 24px;
  flex-shrink: 0;
}

.author-info h4 {
  margin: 0 0 4px 0;
  color: var(--color-text-dark);
  font-size: 14px;
}

.author-info p {
  margin: 0;
  font-size: 12px;
  color: #999;
}

/* 隐私政策和服务条款样式 */
.policy-section {
  margin: 40px 0;
}

.policy-section h3 {
  color: var(--color-navy);
  margin-bottom: 16px;
  border-bottom: 2px solid var(--color-coral);
  padding-bottom: 12px;
}

.policy-section ol,
.policy-section ul {
  margin-left: 20px;
  line-height: 1.8;
}

.policy-section li {
  margin-bottom: 12px;
  color: #666;
}

.policy-section strong {
  color: var(--color-text-dark);
}