        :root {
            --color-primary: #054A95;
            --color-primary-dark: #033263;
            --color-secondary: #5584B7;
            --color-accent: #FA8C16;
            --color-light: #D5E0ED;

        }

        /* 自定义样式 */
        .title-bar::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 24px;
            background-color: var(--color-primary);
            margin-right: 12px;
            vertical-align: middle;
        }

        .title-bar2::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 24px;
            background-color:#ef4444;
            margin-right: 12px;
            vertical-align: middle;
        }

        .dropdown-menu {
            visibility: hidden;
            opacity: 0;
            position: absolute;
            top: 110%;
            left: 0;
            background-color: white;
            border: 1px solid #EBEBEB;
            border-top: 3px solid var(--color-primary);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            z-index: 100;
            min-width: 200px;
            transform: translateY(10px);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            pointer-events: none;
        }

        .nav-item:hover .dropdown-menu {
            visibility: visible;
            opacity: 1;
            top: 100%;
            transform: translateY(0);
            pointer-events: auto;
        }

        .nav-item > a {
            position: relative;
            transition: all 0.3s ease;
        }

        .nav-item > a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 3px;
            background-color: var(--color-secondary);
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }

        .nav-item:hover > a::after {
            width: 80%;
        }

        .nav-item:hover > a {
            background-color: rgba(255, 255, 255, 0.1);
        }

        .nav-item a span {
            transition: transform 0.3s ease;
            display: inline-block;
            color:rgba(255, 255, 255, 0.6);
        }

        .nav-item:hover a span {
            transform: rotate(180deg);
        }

        .dropdown-menu a {
            display: block;
            padding: 0.75rem 1rem;
            color: #333333;
            border-bottom: 1px solid #F5F7FA;
            transition: all 0.3s ease-in-out;
        }

        .dropdown-menu a:last-child {
            border-bottom: none;
        }

        .dropdown-menu a:hover {
            background-color: #F5F7FA;
            color: var(--color-primary);
            padding-left: 1.25rem;
        }

        .mobile-menu {
            display: none;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-in-out;
        }

        .mobile-menu.open {
            display: block;
            max-height: 1000px;
        }

        .mobile-submenu {
            display: none;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-in-out;
        }

        .mobile-submenu.open {
            display: block;
            max-height: 500px;
        }

        .mobile-submenu a {
            display: block;
            padding: 0.5rem 1rem 0.5rem 2rem;
            color: white;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.875rem;
        }

        .mobile-submenu a:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }

        .mobile-submenu-btn {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            padding: 0.75rem 1rem;
            text-align: left;
            background: none;
            border: none;
            cursor: pointer;
            color: white;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.875rem;
        }

        .mobile-submenu-btn::after {
            content: '›';
            display: inline-block;
            transition: transform 0.3s ease-in-out;
            font-size: 1.25rem;
        }

        .mobile-submenu-btn.active::after {
            transform: rotate(90deg);
        }

         .banner-carousel-slide {
            transition: opacity 0.5s ease-in-out;
        }


        .carousel-slide2 {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            transition: opacity 0.8s ease-in-out;
            background-size: cover;
            background-position: center;
        }
        
        .carousel-slide2.active {
            opacity: 1;
        }

       

        .card-hover {
            transition: all 0.3s ease-in-out;
        }

        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        }

        .carousel-indicator.active {
            background-color: var(--color-secondary) !important;
            width: 2rem !important;
        }

        .placeholder-bg {
            background: linear-gradient(135deg, #f0f0f0 0%, #e8e8e8 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #999;
            font-size: 14px;
        }

        @media (max-width: 768px) {
            .dropdown-menu {
                display: none !important;
            }

            .hidden-mobile {
                display: none !important;
            }

            .show-mobile {
                display: block !important;
            }
        }

        @media (min-width: 769px) {
            .show-mobile {
                display: none !important;
            }

            .mobile-menu {
                display: none !important;
            }
        }

        .service-card {
    transition: transform 0.3s ease;
}
.service-card:hover .service-bg {
    transform: scale(1.05);
}

[x-cloak] {
    display: none !important;
}

/* 图标css */
/* 细微的入场动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-enter {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0; /* 初始不可见 */
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }