/* ===== 公共样式 ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background-color: #0d0d0d;
  color: #e0e0e0;
  min-width: 320px;
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  vertical-align: middle;
}

/* ===== 顶部导航 ===== */
.header {
  background: #141414;
  border-bottom: 2px solid #e74c3c;
  position: sticky;
  top: 0;
  z-index: 999;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  height: 60px;
  padding: 0 16px;
}

.logo {
  font-size: 24px;
  font-weight: bold;
  color: #e74c3c;
  margin-right: 32px;
  white-space: nowrap;
}

.logo span {
  color: #fff;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.nav a {
  color: #ccc;
  padding: 8px 14px;
  border-radius: 4px;
  font-size: 14px;
  transition: all 0.2s;
  white-space: nowrap;
}

.nav a:hover,
.nav a.active {
  color: #fff;
  background: rgba(231, 76, 60, 0.25);
}

.search-box {
  display: flex;
  align-items: center;
  margin-left: auto;
}

.search-box input {
  width: 200px;
  height: 36px;
  border: 1px solid #333;
  border-right: none;
  border-radius: 4px 0 0 4px;
  background: #1a1a1a;
  color: #fff;
  padding: 0 12px;
  font-size: 13px;
  outline: none;
}

.search-box input:focus {
  border-color: #e74c3c;
}

.search-box input::placeholder {
  color: #666;
}

.search-box button {
  height: 36px;
  padding: 0 16px;
  background: #e74c3c;
  border: none;
  color: #fff;
  border-radius: 0 4px 4px 0;
  cursor: pointer;
  font-size: 14px;
  transition: background 0.2s;
}

.search-box button:hover {
  background: #c0392b;
}

/* ===== 移动端汉堡菜单 ===== */
.menu-toggle {
  display: none;
  font-size: 24px;
  color: #fff;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 8px;
}

/* ===== 内容容器 ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 16px;
}

/* ===== 板块标题 ===== */
.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  border-bottom: 2px solid #e74c3c;
  padding-bottom: 8px;
}

.section-title h2 {
  font-size: 18px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-title h2::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 20px;
  background: #e74c3c;
  border-radius: 2px;
}

.section-title .more {
  font-size: 13px;
  color: #888;
  transition: color 0.2s;
}

.section-title .more:hover {
  color: #e74c3c;
}

/* ===== 视频卡片通用 ===== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.video-card {
  background: #1a1a1a;
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s;
  position: relative;
}

.video-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(231, 76, 60, 0.15);
}

.video-card .card-poster {
  position: relative;
  padding-top: 140%;
  overflow: hidden;
  background: #2a2a2a;
}

.video-card .card-poster img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.video-card:hover .card-poster img {
  transform: scale(1.06);
}

.video-card .card-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background: #e74c3c;
  color: #fff;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 3px;
  z-index: 1;
}

.video-card .card-score {
  position: absolute;
  bottom: 8px;
  left: 8px;
  background: rgba(0,0,0,0.7);
  color: #ff9800;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 3px;
  z-index: 1;
  font-weight: bold;
}

.video-card .card-info {
  padding: 10px 12px;
}

.video-card .card-title {
  font-size: 14px;
  font-weight: 500;
  color: #e0e0e0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-bottom: 4px;
}

.video-card .card-meta {
  font-size: 12px;
  color: #888;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== 页脚 ===== */
.footer {
  background: #141414;
  color: #666;
  text-align: center;
  padding: 30px 16px;
  font-size: 12px;
  line-height: 2;
  margin-top: 30px;
  border-top: 1px solid #222;
}

.footer a {
  color: #888;
}

.footer a:hover {
  color: #e74c3c;
}

.footer-links {
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid #222;
}

.footer-links-title {
  color: #999;
  font-size: 13px;
  margin-bottom: 10px;
}

.footer-links-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 16px;
}

.footer-links-list a {
  color: #666;
  transition: color 0.2s;
}

.footer-links-list a:hover {
  color: #e74c3c;
}

/* ===== 分页 ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  padding: 30px 0;
}

.pagination a {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid #333;
  border-radius: 4px;
  color: #888;
  font-size: 13px;
  transition: all 0.2s;
  background: #1a1a1a;
}

.pagination a:hover,
.pagination a.active {
  background: #e74c3c;
  border-color: #e74c3c;
  color: #fff;
}

.pagination .prev,
.pagination .next {
  padding: 8px 16px;
}

/* ===== 面包屑 ===== */
.breadcrumb {
  font-size: 13px;
  color: #666;
  margin-bottom: 16px;
}

.breadcrumb a {
  color: #888;
}

.breadcrumb a:hover {
  color: #e74c3c;
}

.breadcrumb span {
  margin: 0 6px;
  color: #444;
}

/* ===== 视频滚动横条 ===== */
.video-scroll-wrapper {
  position: relative;
  overflow: hidden;
}

.video-scroll {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-behavior: smooth;
  padding-bottom: 8px;
}

.video-scroll::-webkit-scrollbar {
  height: 6px;
}

.video-scroll::-webkit-scrollbar-thumb {
  background: #333;
  border-radius: 3px;
}

.video-scroll::-webkit-scrollbar-track {
  background: #1a1a1a;
}

.video-scroll .video-card {
  min-width: 170px;
  max-width: 170px;
  flex-shrink: 0;
}

.scroll-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 64px;
  background: rgba(0,0,0,0.6);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 18px;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.2s;
  opacity: 0;
}

.video-scroll-wrapper:hover .scroll-btn {
  opacity: 1;
}

.scroll-btn.left {
  left: 0;
  border-radius: 0 4px 4px 0;
}

.scroll-btn.right {
  right: 0;
  border-radius: 4px 0 0 4px;
}

.scroll-btn:hover {
  background: rgba(231, 76, 60, 0.8);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .video-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 768px) {
  .video-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .menu-toggle {
    display: block;
  }

  .nav {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: #141414;
    flex-direction: column;
    padding: 8px 16px;
    gap: 0;
    border-bottom: 2px solid #e74c3c;
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 12px 0;
    border-bottom: 1px solid #222;
  }

  .search-box input {
    width: 140px;
  }
}

@media (max-width: 480px) {
  .video-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .video-scroll .video-card {
    min-width: 140px;
    max-width: 140px;
  }

  .header-inner {
    padding: 0 12px;
  }

  .logo {
    font-size: 20px;
    margin-right: 12px;
  }

  .container {
    padding: 12px;
  }

  .search-box input {
    width: 120px;
  }
}

/* 平板/窄窗口下导航横向滚动，避免栏目名被压缩成竖排 */
@media (max-width: 1199px) {
  .nav {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    flex-wrap: nowrap;
  }
  .nav::-webkit-scrollbar {
    display: none;
  }
  .nav a {
    white-space: nowrap;
  }
}