/**
 * Footer Styles - 参考 xosodt68.com
 */

.site-footer {
    background: linear-gradient(180deg, #f0f9ff 0%, #e0f2fe 30%, #bae6fd 70%, #7dd3fc 100%);
    color: #1f2937;
    position: relative;
    overflow: hidden;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #26AEFE 0%, #FF6B35 50%, #26AEFE 100%);
}

/* 公司优势栏 */
.features-bar {
    background: linear-gradient(90deg, #26AEFE 0%, #1E9FE8 100%);
    padding: 30px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    transition: all 0.3s;
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 32px;
}

.feature-text {
    display: flex;
    flex-direction: column;
}

.feature-title {
    font-size: 14px;
    font-weight: 800;
    color: #fff;
}

.feature-desc {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
}

/* 支付方式栏 */
.payment-bar {
    background: #fff;
    padding: 20px 0;
    /* border-bottom: 1px solid #334155; */
}

.payment-content {
    display: flex;
    align-items: center;
    gap: 24px;
}

.payment-title {
    font-size: 13px;
    font-weight: 700;
    color: #94a3b8;
    white-space: nowrap;
}

.payment-methods {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.payment-method {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: #334155;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    color: #e2e8f0;
    transition: all 0.3s;
}

.payment-method:hover {
    background: #475569;
}

/* 主要内容区 */
.footer-main {
    padding: 60px 0 40px;
    position: relative;
    z-index: 1;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
}

.footer-col.brand-col .footer-logo {
    margin-bottom: 20px;
}

.footer-col.brand-col .brand-desc {
    font-size: 14px;
    line-height: 1.8;
    color: #4b5563;
    margin-bottom: 20px;
}

.footer-col.brand-col .social-links {
    display: flex;
    gap: 12px;
}



.footer-title {
    font-size: 14px;
    font-weight: 800;
    color: #1f2937;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
    position: relative;
    padding-bottom: 10px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 3px;
    background: linear-gradient(90deg, #26AEFE 0%, #FF6B35 100%);
    border-radius: 2px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #4b5563;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: #26AEFE;
    transform: translateX(4px);
}

.link-icon {
    font-size: 16px;
}

.link-arrow {
    color: #26AEFE;
    font-weight: bold;
}

/* 底部版权 */
.footer-bottom {
    background: linear-gradient(90deg, #1f2937 0%, #374151 100%);
    padding: 20px 0;
    position: relative;
    z-index: 1;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    font-size: 13px;
    color: #e5e7eb;
    margin: 0;
}

.copyright strong {
    color: #26AEFE;
    font-weight: 700;
}

.responsible {
    font-size: 13px;
    color: #9ca3af;
    margin: 0;
}

/* 浮动客服按钮 */
.floating-support {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
}

.support-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    background: linear-gradient(135deg, #FF6B35 0%, #F05722 100%);
    color: #fff;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    box-shadow: 0 4px 20px rgba(255, 107, 53, 0.4);
    transition: all 0.3s;
    animation: support-pulse 2s infinite;
}

@keyframes support-pulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(255, 107, 53, 0.4); }
    50% { box-shadow: 0 4px 30px rgba(255, 107, 53, 0.6); }
}

.support-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255, 107, 53, 0.5);
}

.support-icon {
    font-size: 20px;
}

/* 响应式 */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .brand-col {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-item {
        padding: 12px;
    }
    
    .payment-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .brand-col {
        grid-column: span 1;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
    
    .floating-support {
        bottom: 20px;
        right: 20px;
    }
    
    .support-text {
        display: none;
    }
    
    .support-btn {
        padding: 14px;
        border-radius: 50%;
    }
}

/* 旧样式兼容 */
.app-footer {
    background: #1a1a2e;
    color: #fff;
    padding: 50px 0 0;
    font-size: 14px;
}

.copyright-bar {
    background: #0f0f1a;
    padding: 20px;
    text-align: center;
    color: #666;
    font-size: 13px;
    border-top: 1px solid #2a2a3e;
}




/* 按钮 */

  .floating-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .floating-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 20px 20px;
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 50%;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  }

  /* 客服按钮 */
  .support-btn {
    background: linear-gradient(135deg, #FF6B35 0%, #F05722 100%);
    color: #fff;
    animation: support-pulse 2s infinite;
  }

  @keyframes support-pulse {
    0%, 100% { 
      box-shadow: 0 4px 20px rgba(255, 107, 53, 0.4);
      transform: scale(1);
    }
    50% { 
      box-shadow: 0 4px 30px rgba(255, 107, 53, 0.6);
      transform: scale(1.02);
    }
  }

  .support-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 30px rgba(255, 107, 53, 0.5);
  }

  /* 返回顶部按钮 */
  .back-to-top {
    background: linear-gradient(135deg, #26AEFE 0%, #1E9FE8 100%);
    color: #fff;
    padding: 14px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
  }

  .back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(38, 174, 254, 0.5);
  }

  .btn-icon {
    font-size: 20px;
    line-height: 1;
  }

  /* 响应式 */
  @media (max-width: 768px) {
    .floating-buttons {
      bottom: 20px;
      right: 20px;
      gap: 10px;
    }

    .floating-btn {
      padding: 12px 16px;
      font-size: 13px;
    }

    .back-to-top {
      padding: 12px;
    }

    .btn-text {
      display: none;
    }

    .floating-btn {
      padding: 14px;
      border-radius: 50%;
    }
  }