/* defaut CSS - 精简版 */

    /* 保持原有背景不变，添加黑色覆盖层 */
    body {
      background-image: url('../img/def0.jpg');
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
      background-attachment: fixed;
      background-color: #0A0A0A;
      color: #E5E5E5;
      position: relative;
    }
    
    /* 添加黑色半透明覆盖层 */
    body::before {
      content: '';
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(to bottom, rgba(10, 10, 10, 0.95), rgba(10, 10, 10, 0.85));
      z-index: -1;
    }
    
    /* 优化轮播过渡效果 */
    .carousel-item {
      display: none;
      opacity: 0;
      transition: opacity 0.7s ease;
    }
    .carousel-item.active {
      display: block;
      opacity: 1;
    }

    /* 在<style>标签中添加 */
    .carousel-item .relative {
    height: 360px; /* 统一高度 */
    }

    /* 缩略图保持比例 */
    .thumbnail img {
    height: 80px;
    }
    
    /* 缩略图样式优化 */
    .thumbnail {
      cursor: pointer;
      transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
      position: relative;
      overflow: hidden;
      border-radius: 8px;
    }
    .thumbnail::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: linear-gradient(45deg, rgba(212, 175, 55, 0.2), transparent);
      opacity: 0;
      transition: opacity 0.3s ease;
      z-index: 1;
    }
    .thumbnail.active {
      border-color: #D4AF37 !important;
      transform: translateY(-8px);
      box-shadow: 0 12px 30px rgba(212, 175, 55, 0.2);
    }
    .thumbnail.active::before {
      opacity: 1;
    }
    .thumbnail:hover {
      transform: translateY(-5px);
    }
    .thumbnail:hover::before {
      opacity: 0.5;
    }
    
    /* 底部导航指示器样式优化 */
    .indicator-container {
      position: relative;
      display: inline-block;
      transition: all 0.3s ease;
    }
    
    .indicator-line {
      position: absolute;
      bottom: -4px;
      left: 0;
      height: 2px;
      background: linear-gradient(90deg, #D4AF37, #FBBF24);
      transition: all 0.4s ease;
      width: 0;
      border-radius: 2px;
    }
    
    .indicator-container.active .indicator-line {
      width: 100%;
      box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
    }
    
    .indicator-container:hover .indicator-line {
      width: 100%;
    }
    
    .indicator-container:hover {
      transform: translateY(-2px);
    }
    
    /* 移动端菜单样式优化 */
    .mobile-menu {
      position: fixed;
      top: 0;
      right: -100%;
      width: 85%;
      height: 100vh;
      background: rgba(10, 10, 10, 0.98);
      backdrop-filter: blur(20px);
      z-index: 9999;
      transition: right 0.5s cubic-bezier(0.4, 0, 0.2, 1);
      padding: 90px 25px 30px;
      overflow-y: auto;
      border-left: 1px solid rgba(212, 175, 55, 0.2);
      box-shadow: -10px 0 40px rgba(0, 0, 0, 0.7);
    }
    
    .mobile-menu.open {
      right: 0;
    }
    
    .mobile-menu-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.7);
      backdrop-filter: blur(5px);
      z-index: 9998;
      display: none;
    }
    
    .mobile-menu-overlay.open {
      display: block;
    }
    
    /* 按钮悬停效果 */
    .btn-primary {
      transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
      position: relative;
      overflow: hidden;
      background: linear-gradient(135deg, #D4AF37 0%, #FBBF24 100%);
      border: none;
      font-weight: 600;
      color: #0A0A0A; /* 添加：设置字体颜色为深色，确保可读性 */
    }
    
    .btn-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 10px 25px rgba(212, 175, 55, 0.4);
      background: linear-gradient(135deg, #FBBF24 0%, #D4AF37 100%);
      color: #0A0A0A !important; /* 添加白色字体 */
    }
    
    .btn-primary:active {
      transform: translateY(-1px);
    }
    
    .btn-primary::after {
      content: '';
      position: absolute;
      top: 50%;
      left: 50%;
      width: 5px;
      height: 5px;
      background: rgba(255, 255, 255, 0.6);
      opacity: 0;
      border-radius: 100%;
      transform: scale(1, 1) translate(-50%);
      transform-origin: 50% 50%;
    }
    
    .btn-primary:focus:not(:active)::after {
      animation: ripple 1s ease-out;
    }
    
    @keyframes ripple {
      0% {
        transform: scale(0, 0);
        opacity: 0.5;
      }
      20% {
        transform: scale(25, 25);
        opacity: 0.3;
      }
      100% {
        opacity: 0;
        transform: scale(40, 40);
      }
    }
    
    /* 卡片悬停效果 */
    .service-card {
      transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
      border: 1px solid rgba(255, 255, 255, 0.08);
      overflow: hidden;
    }
    
    .service-card:hover {
      transform: translateY(-8px);
      border-color: rgba(212, 175, 55, 0.4);
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
    }
    
    .service-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.1), transparent);
      transition: left 0.7s ease;
    }
    
    .service-card:hover::before {
      left: 100%;
    }
    
    /* 优化滚动条 */
    .custom-scrollbar::-webkit-scrollbar {
      width: 8px;
      height: 8px;
    }
    
    .custom-scrollbar::-webkit-scrollbar-track {
      background: rgba(255, 255, 255, 0.03);
      border-radius: 4px;
    }
    
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background: linear-gradient(180deg, #D4AF37, #FBBF24);
      border-radius: 4px;
    }
    
    .custom-scrollbar::-webkit-scrollbar-thumb:hover {
      background: linear-gradient(180deg, #FBBF24, #D4AF37);
    }
    
    /* 响应式字体大小优化 */
    @media (max-width: 768px) {
      .responsive-text {
        font-size: calc(1.8rem + 1.2vw);
      }
      .responsive-subtext {
        font-size: calc(1rem + 0.4vw);
      }
    }
    
    /* 金色装饰线 */
    .gold-line {
      height: 2px;
      background: linear-gradient(90deg, transparent, #D4AF37, #FBBF24, #D4AF37, transparent);
      margin: 1rem 0;
    }
    
    /* 链接悬停效果 */
    a {
      transition: all 0.3s ease;
    }
    
    a:hover {
      color: #FBBF24 !important;
    }
    
    /* 导航链接下划线效果 */
    .nav-link {
      position: relative;
    }
    
    .nav-link::after {
      content: '';
      position: absolute;
      bottom: -5px;
      left: 0;
      width: 0;
      height: 2px;
      background: linear-gradient(90deg, #D4AF37, #FBBF24);
      transition: width 0.3s ease;
    }
    
    .nav-link:hover::after {
      width: 100%;
    }
    
    /* 金色辉光效果 */
    .gold-glow {
      box-shadow: 0 0 15px rgba(212, 175, 55, 0.3);
    }
    
    .gold-glow:hover {
      box-shadow: 0 0 25px rgba(212, 175, 55, 0.5);
    }
    
    /* 徽章样式 */
    .badge {
      background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(251, 191, 36, 0.1));
      border: 1px solid rgba(212, 175, 55, 0.3);
      color: #FBBF24;
    }