/**
 * AUD Gaming - 页脚样式
 * 包含网站页脚布局和样式定义
 */

/* 页脚主容器 */
.site-footer,
.modern-footer {
  background: var(--bg-secondary) !important;
  color: var(--text-primary) !important;
  padding-top: var(--spacing-8);
  position: relative;
}

/* 页脚装饰背景 */
.footer-bg-decoration {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../images/footer-bg-pattern.png');
  background-size: cover;
  background-position: center;
  opacity: 0.05;
  pointer-events: none;
}

/* 页脚主要内容区 */
.footer-main,
.footer-cards {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-6);
  padding-bottom: var(--spacing-6);
  border-bottom: 1px solid var(--border-color);
}

/* 页脚信息块 */
.footer-widget,
.footer-card {
  display: flex;
  flex-direction: column;
}

.footer-card {
  background: var(--bg-secondary);
  border: 1px solid #e6e6e6;
  border-radius: 12px;
}

.footer-widget-title,
.footer-card .card-header h3 {
  color: var(--text-primary);
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-4);
  position: relative;
  padding-bottom: var(--spacing-2);
}

.footer-widget-title:after,
.footer-card .card-header h3:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--accent-color);
}

/* 页脚关于我们 */
.footer-about {
  margin-bottom: var(--spacing-4);
  line-height: 1.7;
}

.footer-logo {
  margin-bottom: var(--spacing-4);
  display: inline-block;
}

.footer-logo img {
  max-height: 60px;
}

/* 页脚社交图标 */
.footer-social {
  display: flex;
  gap: var(--spacing-2);
  margin-top: var(--spacing-4);
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-light);
  transition: all var(--transition-normal);
  font-size: 1.125rem;
}

.footer-social a:hover {
  background-color: var(--primary-color);
  color: var(--text-light);
  transform: translateY(-3px);
}

/* 页脚链接列表 */
.footer-links-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links-list li {
  margin-bottom: var(--spacing-2);
}

.footer-links-list a {
  color: var(--text-muted);
  text-decoration: none;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
}

.footer-links-list a:before {
  content: '\2192';
  margin-right: var(--spacing-2);
  opacity: 0;
  transform: translateX(-10px);
  transition: all var(--transition-fast);
}

.footer-links-list a:hover {
  color: var(--accent-color);
  transform: translateX(5px);
}

.footer-links-list a:hover:before {
  opacity: 1;
  transform: translateX(0);
}

/* 页脚联系信息 */
.footer-contact-info {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-contact-info li {
  margin-bottom: var(--spacing-3);
  display: flex;
  align-items: flex-start;
}

.footer-contact-info i {
  margin-right: var(--spacing-2);
  color: var(--accent-color);
  font-size: 1.125rem;
  min-width: 20px;
  margin-top: 4px;
}

/* 页脚订阅区域 */
.footer-subscribe {
  margin-top: var(--spacing-4);
}

.footer-subscribe p {
  margin-bottom: var(--spacing-3);
}

.footer-subscribe-form {
  display: flex;
  margin-top: var(--spacing-2);
}

.footer-subscribe-form input {
  flex: 1;
  padding: var(--spacing-2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-light);
}

.footer-subscribe-form button {
  background-color: var(--primary-color);
  color: var(--text-light);
  border: none;
  padding: 0 var(--spacing-3);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.footer-subscribe-form button:hover {
  background-color: var(--primary-darker);
}

/* 页脚支付方式 */
.footer-payment-methods {
  margin-top: var(--spacing-4);
}

.footer-payment-methods h4 {
  margin-bottom: var(--spacing-3);
  font-size: 1rem;
  color: var(--text-light);
}

.payment-icons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
}

.payment-icons img {
  height: 30px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-light);
  padding: 5px;
}

/* 页脚底部区域 */
.footer-bottom {
  padding: var(--spacing-4) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 1;
  background-color: var(--bg-secondary) !important;
  border-top: 1px solid #e6e6e6;
}

.footer-copyright {
  font-size: 0.875rem;
}

.footer-bottom-links {
  display: flex;
  gap: var(--spacing-4);
}

.footer-bottom-links a {
  color: var(--text-muted);
  font-size: 0.875rem;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
  color: var(--accent-color);
}

/* 回到顶部按钮 */
.back-to-top {
  position: fixed;
  bottom: var(--spacing-4);
  right: var(--spacing-4);
  width: 40px;
  height: 40px;
  background-color: var(--primary-color);
  color: var(--text-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: var(--z-index-fixed);
  box-shadow: var(--shadow-md);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--primary-darker);
  transform: translateY(-3px);
}

/* 卡片样式补充 */
.footer-card .card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  cursor: pointer;
  background-color: var(--bg-light);
  color: var(--text-primary);
  margin-bottom: var(--spacing-3);
}

.footer-card .card-header h3 {
  margin: 0;
  font-size: 1.25rem;
}

.footer-card .card-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
  color: var(--text-primary);
}

.footer-card .card-content.active {
  max-height: 1000px;
}

.footer-card .support-links,
.footer-card .policy-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.footer-card .support-link,
.footer-card .policy-link {
  display: block;
  width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.footer-friendlinks {
  padding: 20px 0;
  background: var(--bg-secondary);
  border-top: 1px solid #eee;
  margin-top: 25px;
}

.friendlinks-title {
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.friendlinks-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.friendlink-item {
  color: var(--text-primary);
  font-size: 14px;
  text-decoration: none;
}

.friendlink-item:hover {
  color: #000;
}

.copyright-text,
.footer-links a {
  color: var(--text-primary) !important;
}

/* 响应式样式 */
@media (max-width: 1199px) {
  .footer-main,
  .footer-cards {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .footer-widget:first-child,
  .footer-card:first-child {
    grid-column: span 3;
    margin-bottom: var(--spacing-4);
  }
}

@media (max-width: 991px) {
  .footer-main,
  .footer-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-widget:first-child,
  .footer-card:first-child {
    grid-column: span 2;
  }
}

@media (max-width: 767px) {
  .site-footer,
  .modern-footer {
    padding-top: var(--spacing-6);
  }
  
  .footer-main,
  .footer-cards {
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
  }
  
  .footer-widget,
  .footer-card {
    margin-bottom: var(--spacing-4);
  }
  
  .footer-widget:first-child,
  .footer-card:first-child {
    grid-column: 1;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-3);
    text-align: center;
  }
  
  .back-to-top {
    bottom: var(--spacing-2);
    right: var(--spacing-2);
  }
}