.footer {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}
/* 卡片组件 */
.video-card {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  backdrop-filter: blur(5px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.member-card {
  display: flex;
  background: white;
  min-height: 150px;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  border-left: 4px solid #3498db;
}

/* 头像/图片 */
.member-avatar {
  width: 120px;
  min-width: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f5f5f5;
  padding: 10px;
}

.member-avatar img {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border-radius: 0;
  border: 2px solid white;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.team-logo {
  width: 400px;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.team-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* 视频iframe */
.video-iframe {
  width: 100%;
  height: 250px;
  border: none;
}

/* 社交按钮 */
.social-buttons {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.social-btn {
  padding: 5px 12px;
  border-radius: 15px;
  font-size: 0.7em;
  text-decoration: none;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.bilibili {
  background: rgba(251, 114, 153, 0.1);
  color: #FB7299;
  border: 1px solid #FB7299;
}

.bilibili:hover {
  background: #FB7299;
  color: white;
}

.qq {
  background: rgba(18, 183, 245, 0.1);
  color: #12B7F5;
  border: 1px solid #12B7F5;
}

.qq:hover {
  background: #12B7F5;
  color: white;
}

/* 团队标题 */
.team-header {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 15px;
  background-color: #f8f9fa;
  border-radius: 8px;
  max-width: 600px;
  margin: 20px auto;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

/* 技能标签 */
.skills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.skills span {
  background: #eaf2f8;
  color: #2980b9;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.7em;
}

/* Logo包装 */
.logo-wrapper {
  width: min(90vw, 600px);
  margin: 0 auto;
  padding: 20px 0;
}

.responsive-logo {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 2px 5px rgba(0,0,0,0.2));
  transition: transform 0.3s ease;
}

.responsive-logo:hover {
  transform: scale(1.02);
}

/* ===== 主容器样式 ===== */
.main-container {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

/* ===== 国家卡片样式 ===== */
.country {
  background: rgba(18, 25, 40, 0.7);
  border: 1px solid rgba(0, 168, 255, 0.2);
  border-radius: 12px;
  padding: 1.5rem;
  backdrop-filter: blur(5px);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

.country::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(0, 168, 255, 0.5), 
    transparent);
}

.country:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  border-color: rgba(0, 168, 255, 0.4);
}

/* ===== 国家名称样式 ===== */
.country-name {
  color: #00a8ff;
  font-size: 1.5rem;
  margin-bottom: 1.2rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(0, 168, 255, 0.3);
  text-shadow: 0 0 8px rgba(0, 168, 255, 0.4);
  position: relative;
  display: inline-block;
}

.country-name::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, #00a8ff, transparent);
}

/* ===== 网站列表样式 ===== */
.country ul {
  list-style: none;
}

.country li {
  margin-bottom: 0.8rem;
  position: relative;
  padding-left: 1rem;
}

.country li::before {
  content: '➤';
  position: absolute;
  left: 0;
  color: rgba(0, 168, 255, 0.7);
  font-size: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
}

/* ===== 网站链接样式 ===== */
.website-name {
  color: #e0e0e0;
  text-decoration: none;
  font-size: 1rem;
  transition: all 0.3s ease;
  display: block;
  padding: 0.6rem 0.8rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-left: 2px solid transparent;
}

.website-name:hover {
  color: #00a8ff;
  background: rgba(0, 168, 255, 0.1);
  border-left-color: #00a8ff;
  transform: translateX(5px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}
/* 二级导航样式 */
.secondary-nav {
  margin-top: 10px;
  background: rgba(10, 25, 47, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(84, 180, 255, 0.3);
  padding: 0 20px;
  margin-bottom: 30px;
}

.secondary-nav-container {
  max-width: 1200px;
  margin: 0 auto;
}

.secondary-nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.secondary-nav li {
  margin: 0;
  text-align: center;
  flex: 1; /* 每个项目等分宽度 */
  min-width: 0; /* 防止内容溢出 */
}

.secondary-nav a {
  display: block;
  color: #a8d1f2;
  text-decoration: none;
  padding: 15px 10px;
  font-size: 16px;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis; /* 文字过长时显示省略号 */
}

.secondary-nav a:hover {
  color: #54b4ff;
  background: rgba(84, 180, 255, 0.1);
}

.secondary-nav a.active {
  color: #54b4ff;
  background: rgba(84, 180, 255, 0.15);
}

.secondary-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20%;
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, #54b4ff, transparent);
}

.secondary-nav a::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 5px;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: #54b4ff;
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.secondary-nav a:hover::before,
.secondary-nav a.active::before {
  opacity: 1;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .secondary-nav {
    padding: 0 5px;
  }
  
  .secondary-nav a {
    padding: 12px 5px;
    font-size: 14px;
  }
  
  .secondary-nav-container {
    overflow-x: auto;
  }
  
  .secondary-nav ul {
    min-width: 100%;
  }
  
  .secondary-nav a.active::after {
    left: 15%;
    width: 70%;
  }
}

/* ===== 响应式设计 ===== */
@media (max-width: 768px) {
  .main-container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 0 1rem;
  }
  
  .country {
    padding: 1.2rem;
  }
  
  .country-name {
    font-size: 1.3rem;
  }
  
  .website-name {
    padding: 0.5rem 0.7rem;
    font-size: 0.95rem;
  }
}

@media (max-width: 480px) {
  .main-container {
    gap: 1.2rem;
  }
  
  .country {
    padding: 1rem;
  }
  
  .country-name {
    font-size: 1.2rem;
    margin-bottom: 1rem;
  }
  
  .website-name {
    padding: 0.4rem 0.6rem;
  }
}
<!--文案系统主页按钮-->
/* 按钮容器 - 确保横排排列 */
/* 强制横排按钮布局 - 添加到文件末尾 */
.button-container {
  display: flex !important;
  flex-direction: row !important;
  justify-content: center !important;
  align-items: stretch !important;
  flex-wrap: nowrap !important;
  max-width: 1000px;
  margin: 40px auto;
  gap: 30px;
  padding: 0 20px;
}

.action-button {
  flex: 1 !important;
  min-width: 300px !important;
  max-width: 400px !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 30px 25px;
  text-align: center;
  text-decoration: none;
  color: white;
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* 只在非常小的屏幕上才竖排 */
@media (max-width: 600px) {
  .button-container {
    flex-direction: column !important;
    align-items: center !important;
  }
  
  .action-button {
    width: 100% !important;
    max-width: 350px !important;
  }
}

.action-button:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  color: #54b4ff;
}

.button-icon {
  font-size: 50px;
  margin-bottom: 15px;
}

.action-button h3 {
  margin: 0 0 10px;
  font-size: 22px;
  color: #54b4ff;
}

.action-button p {
  margin: 0;
  font-size: 16px;
  opacity: 0.8;
}

/* 响应式设计 */
@media (max-width: 900px) {
  .button-container {
    flex-wrap: wrap; /* 允许换行 */
    justify-content: center; /* 居中 */
  }
  
  .action-button {
    flex: 0 0 calc(50% - 15px); /* 两列布局 */
    min-width: 250px;
  }
}

@media (max-width: 600px) {
  .button-container {
    flex-direction: column; /* 小屏幕改为竖排 */
    align-items: center;
    gap: 20px;
  }
  
  .action-button {
    flex: 0 0 auto;
    width: 100%;
    max-width: 350px;
    padding: 25px 20px;
  }
  
  .button-icon {
    font-size: 40px;
  }
  
  .action-button h3 {
    font-size: 20px;
  }
}