/* ===== Root Variables ===== */
        :root {
            --primary: #173f99;
            --primary-dark: #0f2d6e;
            --white: #fff;
            --gray-light: #f8f9fa;
            --gray-border: #e0e4ec;
            --radius: 6px;
            --shadow-sm: 0 4px 16px rgba(23, 63, 153, 0.08);
            --shadow-hover: 0 8px 30px rgba(23, 63, 153, 0.15);
            --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }


        body {
      
            margin: 0 auto;
            background: #fff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.03);
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            color: #1a1a2e;
            overflow-x: hidden;
            padding-top: 72px;
        }


        .navbar-custom {
          
            left: 0;
            right: 0;
            margin: 0 auto;
        }

        a {
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .section-padding {
            padding: 80px 0;
        }
        .section-padding-sm {
            padding: 60px 0;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .section-title .highlight {
            color: var(--primary);
        }
        .section-subtitle {
            font-size: 1rem;
            color: #6b7280;
            max-width: 600px;
            margin: 0 auto 40px;
            line-height: 1.6;
        }

        .btn-primary-custom {
            background-color: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 28px;
            border-radius: var(--radius);
            font-weight: 500;
            transition: all var(--transition);
            display: inline-block;
        }
        .btn-primary-custom:hover {
            background-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(23, 63, 153, 0.25);
        }

        .btn-outline-custom {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            padding: 8px 24px;
            border-radius: var(--radius);
            font-weight: 500;
            transition: all var(--transition);
            display: inline-block;
        }
        .btn-outline-custom:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

     
        .rounded-custom {
            border-radius: var(--radius) !important;
        }
        .rounded-custom-lg {
            border-radius: 8px !important;
        }

    
        .navbar-custom {
            background: #fff !important;
            box-shadow: 0 2px 20px rgba(23, 63, 153, 0.06);
            padding: 0 0;
            min-height: 72px;
            transition: all var(--transition);
        }
        .navbar-custom .navbar-brand img {
            height: 44px;
            width: auto;
            transition: all var(--transition);
        }
        .navbar-custom .navbar-nav .nav-link {
            color: #1a1a2e;
            font-weight: 500;
            font-size: 1.05rem;
            padding: 24px 16px;
            transition: color var(--transition);
            position: relative;
        }
        .navbar-custom .navbar-nav .nav-link:hover,
        .navbar-custom .navbar-nav .nav-link.active {
            color: var(--primary);
        }
        .navbar-custom .navbar-nav .nav-link::after {
            content: '';
            position: absolute;
            bottom: 16px;
            left: 16px;
            right: 16px;
            height: 2.5px;
            background: var(--primary);
            transform: scaleX(0);
            transition: transform var(--transition);
            border-radius: 2px;
        }
        .navbar-custom .navbar-nav .nav-link:hover::after,
        .navbar-custom .navbar-nav .nav-link.active::after {
            transform: scaleX(1);
        }

        /* Dropdown */
        .navbar-custom .dropdown-menu {
            border: none;
            border-radius: var(--radius);
            box-shadow: 0 12px 40px rgba(23, 63, 153, 0.12);
            padding: 8px 0;
            min-width: 210px;
            margin-top: 0;
            background: #fff;
        }
        .navbar-custom .dropdown-item {
            padding: 10px 20px;
            font-size: 0.95rem;
            font-weight: 450;
            color: #1a1a2e;
            transition: all var(--transition);
        }
        .navbar-custom .dropdown-item:hover {
            background: rgba(23, 63, 153, 0.06);
            color: var(--primary);
            padding-left: 26px;
        }
        .navbar-custom .dropdown-item i {
            width: 20px;
            color: var(--primary);
            opacity: 0.6;
        }

        @media (min-width: 992px) {
            .navbar-custom .dropdown:hover .dropdown-menu {
                display: block;
                animation: fadeDrop 0.25s ease forwards;
            }
            .navbar-custom .dropdown .dropdown-menu {
                display: none;
            }
         /*   .navbar-custom .dropdown:hover .dropdown-toggle::after {
                transform: rotate(180deg);
            }*/
            .navbar-custom .dropdown-toggle::after {
                transition: transform 0.3s ease;
            }
        }

        @keyframes fadeDrop {
            0% {
                opacity: 0;
                transform: translateY(8px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }

   
        .nav-email {
            display: flex;
            align-items: center;
            gap: 6px;
			background:var(--primary);
            color: #fff;
			border-radius:6px;
			text-align:center;
			line-height:35px;
			height:35px;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0 12px;
            white-space: nowrap;
        }
        .nav-email i {
            font-size: 1rem;
        }
        .nav-email:hover {
            color: #fff;
        }

        .nav-search-toggle {
            color: var(--primary);
            font-size: 1.1rem;
            padding: 0 10px;
            cursor: pointer;
            transition: color var(--transition);
            background: none;
            border: none;
            display: inline-flex;
            align-items: center;
        }
        .nav-search-toggle:hover {
            color: var(--primary-dark);
        }


          .search-bar-wrapper {
            position: absolute;
            top: 100%;
            right: 0;
      
            width: 70%;
            max-width: 600px;
            background: #fff;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
            padding: 12px 20px;
            border-radius: var(--radius);
            display: none;
            z-index: 1050;
            border: 1px solid var(--gray-border);
            margin-top: 4px;
        }
        .search-bar-wrapper.show {
            display: block;
        }
        .search-bar-wrapper .search-input {
            width: 100%;
            border: 2px solid var(--gray-border);
            border-radius: var(--radius);
            padding: 8px 16px;
            font-size: 1rem;
            outline: none;
            transition: border-color var(--transition);
            flex: 1;
        }
        .search-bar-wrapper .search-input:focus {
            border-color: var(--primary);
        }
        .search-bar-wrapper .search-btn {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius);
            padding: 8px 20px;
            margin-left: 8px;
            font-weight: 500;
            transition: background var(--transition);
            white-space: nowrap;
        }
        .search-bar-wrapper .search-btn:hover {
            background: var(--primary-dark);
        }
        .search-bar-wrapper .d-flex {
            gap: 8px;
        }

    
        .navbar-toggler {
            border: none;
            padding: 6px 8px;
            color: var(--primary);
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }
		
		
		
        /* ===== Footer ===== */
        .footer-custom {
            background: #0f1a2e;
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 30px;
            border-top: 4px solid var(--primary);
        }
        .footer-custom h5 {
            color: #fff;
            font-weight: 600;
            font-size: 1.05rem;
            margin-bottom: 18px;
            letter-spacing: -0.01em;
        }
        .footer-custom .footer-logo {
            height: 44px;
            width: auto;
            margin-bottom: 12px;
     /*       filter: brightness(0) invert(1);*/
        }
        .footer-custom .footer-text {
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
            opacity: 0.8;
        }
        .footer-custom .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transition: all var(--transition);
            margin-right: 8px;
            font-size: 0.95rem;
        }
        .footer-custom .social-icons a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }
        .footer-custom ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-custom ul li {
            margin-bottom: 10px;
        }
        .footer-custom ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-custom ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-custom .footer-contact p {
            margin-bottom: 10px;
            font-size: 0.9rem;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            opacity: 0.85;
        }
        .footer-custom .footer-contact p i {
            color: var(--primary);
            width: 18px;
            margin-top: 3px;
            font-size: 0.95rem;
        }
        .footer-custom .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            margin-top: 40px;
            text-align: center;
            font-size: 0.85rem;
            opacity: 0.6;
        }
				@media (min-width: 1400px){
.container {
    max-width: 1570px;
}
}

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            body {
                padding-top: 64px;
            }
            .navbar-custom {
                min-height: 64px;
                padding: 8px 0;
            }
            .navbar-custom .navbar-nav .nav-link {
                padding: 10px 16px;
                border-bottom: 1px solid rgba(0, 0, 0, 0.04);
                font-size: 1rem;
            }
            .navbar-custom .navbar-nav .nav-link::after {
                display: none;
            }
            .navbar-custom .dropdown-menu {
                border: none;
                box-shadow: none;
                padding-left: 20px;
                background: rgba(23, 63, 153, 0.03);
                border-radius: 0;
            }
            .navbar-custom .dropdown-item {
                padding: 8px 16px;
                font-size: 0.9rem;
            }
            .navbar-custom .dropdown-item:hover {
                padding-left: 20px;
            }
            .nav-email {
                padding: 10px 16px;
                border-top: 1px solid rgba(0, 0, 0, 0.04);
                margin-top: 4px;
            }
            .nav-search-toggle {
                padding: 10px 16px;
            }
            .search-bar-wrapper {
                width: 90%;
                max-width: 400px;
                padding: 10px 16px;
            }
            .swiper-hero {
                height: 60vh;
                min-height: 360px;
            }
            .swiper-hero .slide-content h1 {
                font-size: 2rem;
            }
            .swiper-hero .slide-content p {
                font-size: 0.95rem;
            }
            .section-padding {
                padding: 50px 0;
            }
            .section-padding-sm {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .about-section .about-image img {
                height: 220px;
                margin-top: 24px;
            }
            .about-stats .stat-item .stat-number {
                font-size: 2rem;
            }
            .about-stats .stat-item .stat-number .suffix {
                font-size: 1.3rem;
            }
            .about-stats .stat-item {
                padding: 14px 8px 12px;
            }
            .full-bg-section {
                padding: 60px 0;
                min-height: 300px;
                background-attachment: scroll !important;
            }
            .full-bg-section .bg-content h2 {
                font-size: 1.8rem;
            }
            .category-card {
                height: 220px;
            }
            .product-grid .product-card .product-img {
                height: 140px;
            }
            .service-card .service-img {
                height: 160px;
            }
            .footer-custom {
                padding: 40px 0 20px;
            }
            .footer-custom .footer-text {
                max-width: 100%;
            }
            .solid-bg-section {
                padding: 60px 0;
            }
            .solid-bg-section .solid-content h2 {
                font-size: 1.8rem;
            }
            .product-types .type-item .type-icon-img {
                width: 30px;
                height: 30px;
            }
        }


        /* ===== AOS 微调 ===== */
        [data-aos] {
            pointer-events: none;
        }
        [data-aos].aos-animate {
            pointer-events: auto;
        }

        /* ===== 工具类 ===== */
        .text-primary-custom {
            color: var(--primary) !important;
        }
        .bg-primary-custom {
            background: var(--primary) !important;
        }
        .border-primary-custom {
            border-color: var(--primary) !important;
        }