/* 主题色定义 */
    
        p{
			font-size: 20px; 
			color: #FFFFFF;
		 }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: #333333;
            background-color:  #fff;
        }
 
		
        .btn-custom {
            background-color: #51ab04;
            color: #fff;
            border: none;
            padding: 10px 25px;
            border-radius: 50px;
            transition: all 0.3s ease;
        }

        .btn-custom:hover {
            background-color:  #00904A;
            color:  #fff;
            transform: translateY(-2px);
        }

        .btn-view-all {
            background-color: transparent;
            color:  #00904A;
            border: 1px solid  #00904A;
            padding: 8px 20px;
            border-radius: 50px;
            transition: all 0.3s ease;
        }

        .btn-view-all:hover {
            background-color:  #00904A;
            color:  #fff;
        }


      .index-banner {
          margin-top: 90px;
            padding: 0;
        }

        .carousel-item {
            height: 80vh;
            min-height: 400px;
        }

        .carousel-item img {
            object-fit: cover;
            height: 100%;
            width: 100%;
        }

        .carousel-control-prev,
        .carousel-control-next {
            width: 50px;
            height: 50px;
            background-color: rgba(255,255,255,0.8);
            border-radius: 50%;
            top: 50%;
            transform: translateY(-50%);
            margin: 0 20px;
        }

        .carousel-control-prev-icon,
        .carousel-control-next-icon {
            color:  #00904A;
            background-image: none;
            font-size: 20px;
        }

        .carousel-indicators [data-bs-target] {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color:  #fff;
            border: 2px solid  #00904A;
            margin: 0 5px;
        }

        .carousel-indicators .active {
            background-color:  #00904A;
        }

        .index-about {
            background-color: #F5F5F5;
        }
        .about-container{
			max-width: 1600px;
			margin: 0 auto;
			padding: 40px 50px;
		}

        .about-title {
            font-size: 48px;
            color:  #00904A;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            display: inline-block;
        }

        .about-title::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 60px;
            height: 3px;
            background-color:  #6AC237;
        }
        .mb-4{
			font-size: 20px;
			color: #666;
		}
        .about-img {
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }

        .about-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .about-img:hover img {
            transform: scale(1.05);
        }

        .index-product1, .index-product2 {
            position: relative;
        }

       			.timeline {
				position: relative;
				height: 400px;
				display: flex;
				flex-direction: column;
				justify-content: space-between;
				align-items: center; 
				padding-left: 20px;
			}

			.timeline::before {
				content: '';
				position: absolute;
				width: 2px;
				height: 100%;
				background-color:  #6AC237; 
				left: calc(15px + 20px);
				transform: translateX(-50%);
			}
 
			.timeline-item {
				display: flex;
				align-items: center;
				width: 100%;
				position: relative;
			}

			.timeline-dot {
				width: 30px;
				height: 30px;
				border-radius: 50%;
				background-color:  #fff;
				border: 3px solid  #6AC237;
				cursor: pointer;
				transition: all 0.3s ease;
				z-index: 10;
				display: flex;
				justify-content: center;
				align-items: center; 
				margin-right: 15px;
			}

			.timeline-dot.active {
				width: 40px;
				height: 40px;
				background-color:  #00904A;
				border-color:  #00904A;
			}
 
			.timeline-title {
				font-size: 16px;
				color: #6AC237;
				white-space: nowrap;
				font-weight: 500; 
				cursor: pointer;
				transition: color 0.3s ease;
			}
 
			.timeline-item .timeline-dot.active+.timeline-title {
				color:  #00904A;
				font-weight: 700;
			}
        .product-container{
			max-width: 1600px;
			margin: 0 auto;
			padding: 40px 50px;
		}

        .product-display {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 600px;
            position: relative;
        }

        .product-circle, .product-circle2 {
            width: 500px;
            height: 500px;
            border-radius: 50%;
            overflow: hidden;
            border: 5px solid  #6AC237;
            box-shadow: 0 0 20px rgba(106, 194, 55, 0.3);
            position: relative;
        }

        .product-circle img, .product-circle2 img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            top: 0;
            left: 0;
            display: none; 
        }

        .product-circle img.active, .product-circle2 img.active {
            display: block;  
        }

        .product-info-container {
            display: none;
        }

        .product-info-container.active {
            display: block;
        }

        .product-name {
            font-size: 24px;
            font-weight: 700;
            color:  #00904A;
            margin-bottom: 20px;
        }
        .product-text{
            font-size: 18px;
            color: #666;
        }

        .index-video {
            background-color: #fff;
        }
        .modal-video {
			max-width: 100%;
		}
        .video-container {
            width: 100%;
        }

        video {
            width: 100%;
            height: auto;
        }
        
        

			.learn-more-icons {
				flex-direction: column;
				align-items: center;
				gap: 40px;
				margin-top: -30px;
			}

			.gradient-bg-logo {
				width: 80px;
				/* 移动端缩小logo */
				bottom: -30px;
				/* 移动端调整超出距离 */
			}


			/* 产品模块容器 */
			.index-product {
				width: 90%;
				max-width: 1600px;
				margin: 40px auto;
				padding: 20px 0;
			}

			/* 网格布局核心 - 桌面端 */
			.product-grid {
				display: grid;
				grid-template-columns: repeat(3, 1fr);
				gap: 15px;
			}

			/* 第二行第二个图片占2列（宽度两倍） */
			.product-item:nth-child(4) {
				grid-column: span 1;
			}

			.product-item:nth-child(5) {
				grid-column: span 2;
			}

			/* 产品项样式（图片容器） */
			.product-item {
				position: relative;
				height: 400px; 
				overflow: hidden;
				border-radius: 8px; 
				opacity: 0;
				transform: translateY(20px);
				animation: fadeInUp 0.8s ease forwards;
			}

			/* 每张图片不同延迟出现（0.2s/0.4s/0.6s/0.8s/1.0s） */
			.product-item:nth-child(1) {
				animation-delay: 0.2s;
			}

			.product-item:nth-child(2) {
				animation-delay: 0.4s;
			}

			.product-item:nth-child(3) {
				animation-delay: 0.6s;
			}

			.product-item:nth-child(4) {
				animation-delay: 0.8s;
			}

			.product-item:nth-child(5) {
				animation-delay: 1.0s;
			}

			/* 产品图片样式 */
			.product-img {
				width: 100%;
				height: 100%;
				object-fit: cover; 
				transition: transform 0.5s ease;
			}
 
			.product-item:hover .product-img {
				transform: scale(1.05);
			}

		 
			.product-btn {
				position: absolute;
				top: 50%;
				left: 50%;
				transform: translate(-50%, -50%);
				padding: 12px 24px;
				background-color: #6ac237; 
				color: #FFF;
				text-decoration: none;
				font-size: 18px;
				font-weight: 600;
				border-radius: 4px;
				transition: background-color 0.3s ease;
				text-align: center;
				min-width: 180px;
			}

			/* 按钮hover效果 - 替换为深蒂芙尼绿 */
			.product-btn:hover {
				background-color: #00904A;
				color: #FFF;
			}

			/* 渐入动画定义 */
			@keyframes fadeInUp {
				from {
					opacity: 0;
					transform: translateY(20px);
				}

				to {
					opacity: 1;
					transform: translateY(0);
				}
			}

        .index-application { 
            padding : 80px 0;
        }

        .app-gallery {
            display: flex;
            justify-content: center;
            overflow: hidden;
            gap: 0;
        }

        .app-item {
            width: 200px;
            height: 500px;
            position: relative;
            overflow: hidden;
            transition: width 0.5s ease;
            cursor: pointer;
        }

        .app-item:hover {
            width: 600px;
        }

        .app-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .app-icon {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 30px;
            color:  #fff;
            background-color: rgba(0, 144, 74, 0.7);
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            transition: all 0.5s ease;
            z-index: 2;
        }

        .app-item:hover .app-icon {
            top: 30px;
            left: 30px;
            transform: none;
            width: 40px;
            height: 40px;
            font-size: 20px;
        }

        .app-content {
            position: absolute;
            bottom: -100%;
            opacity: 0;
            left: 30px;
            right: 30px;
            color:  #fff;
            background-color: rgba(0, 0, 0, 0.6);
            padding: 20px;
            border-radius: 10px;
            transition: bottom 0.5s ease, opacity 0.5s ease;
            z-index: 1;
        }

        .app-item:hover .app-content {
            bottom: 30px;
            opacity: 1;
        }

        .app-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color:  #6AC237;
        }

        .index-form {
            background: url('../image/form-bg.webp') no-repeat center center;
            background-size: cover;
            position: relative;
            color:  #fff;
        }
        .justify-center {
          justify-content: center !important; 
        }
        .justify-content-center {
            padding: 10px; 
        }
        .form-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 144, 74, 0.7);
            z-index: 1;
        }

        .form-container {
            position: relative;
            z-index: 2;
            background-color: rgba(255, 255, 255, 0.9);
            padding: 40px;
            border-radius: 20px;
            color: #333333;
            box-shadow: 0 15px 30px rgba(0,0,0,0.2);
        }

        .form-title {
            color:  #00904A;
            font-weight: 700;
            margin-bottom: 30px;
            text-align: center;
        }

        .form-control {
            border: 1px solid #ddd;
            border-radius: 10px;
            padding: 12px 15px;
            margin-bottom: 20px;
            transition: border-color 0.3s ease;
        }

        .form-control:focus {
            border-color:  #6AC237;
            box-shadow: 0 0 0 0.2rem rgba(106, 194, 55, 0.25);
        }

        .form-label {
            font-weight: 500;
            color: #333333;
            margin-bottom: 8px;
        }

        .index-news {
            background: url('https://picsum.photos/1920/600?random=2') no-repeat center center;
            background-attachment: fixed;
            background-size: cover;
            position: relative;
        }

        .news-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(255, 255, 255, 0.9);
            z-index: 1;
        }

        .news-container {
            padding-top: 50px;
            position: relative;
            z-index: 2;
        }

        .news-title {
            color:  #00904A;
            font-weight: 700;
            margin-bottom: 40px;
            text-align: center;
            position: relative;
            display: inline-block;
            left: 50%;
            transform: translateX(-50%);
        }

        .news-title::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background-color:  #6AC237;
        }

        .news-card {
            border: none;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
            height: 100%;
        }
        .card-text{
			color: #666;
		}
        .news-card:hover {
            transform: translateY(-10px);
        }

        .news-card-img {
            height: 400px;
            object-fit: cover;
        }

        .news-card-body {
            padding: 25px;
        }

        .news-card-title {
            color:  #00904A;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .news-card-date {
            color: #777;
            font-size: 14px;
            margin-bottom: 15px;
        }

        .index-footer {
            background-color: #00904A;
            color:  #fff;
            padding: 0;
        }

        .footer-top {
            padding: 20px 0;
            background-color: #6AC237;
            text-align: center;
        }

        .footer-top-text {
            margin: 0;
            display: inline-block;
            margin-right: 20px;
        }

        .footer-main {
            padding: 60px 30px;
        }

        .footer-logo img {
            height: 120px;
            margin-bottom: 20px;
        }

        .footer-desc {
			font-size: 18px;
            color: #ffffff;
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .footer-heading {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 30px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-heading::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background-color:  #6AC237;
        }

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

        .footer-nav li {
            margin-bottom: 15px;
        }

        .footer-nav a {
			font-size: 20px;
            color: #ffffff;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-nav a:hover {
            color:  #6AC237;
            padding-left: 5px;
        }

        .footer-contact {
			font-size: 20px;
            color: #ffffff;
            line-height: 1.8;
        }

        .footer-contact i {
            color:  #6AC237;
            margin-right: 10px;
            width: 20px;
            text-align: center;
        }

        .footer-social {
            padding: 30px 0;
            border-top: 1px solid #6AC237;
            border-bottom: 1px solid #6AC237;
            text-align: center;
        }

        .social-icon {
            font-size: 45px;
            color: #6AC237;
            margin: 0 15px;
            transition: all 0.3s ease;
            display: inline-block;
        }

        .social-icon:hover {
            color:  #6AC237;
            transform: translateY(-5px);
        }

        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            color: #999;
            font-size: 14px;
        }

        @media (max-width: 992px) { 
            .timeline { height: 300px; }
            .product-circle, .product-circle2 { width: 250px; height: 250px; }
            .app-item { width: 100px; height: 300px; }
            .app-item:hover { width: 300px; }
        }
 
  

        @media (max-width: 768px) {
   
            .carousel-item { height: 50vh; }
            .about-img { margin-top: 30px; }
            .product1-row, .product2-row { flex-direction: column; }
            .timeline { flex-direction: row; height: auto; margin-bottom: 30px; }
            .timeline::before { width: 80%; height: 2px; top: 50%; left: 10%; }
            .product-display { height: auto; margin-bottom: 30px; }
            .product-info { align-items: center; text-align: center; }
            .app-gallery { flex-wrap: wrap; }
            .app-item { width: 100%; height: 200px; }
            .app-item:hover { width: 100%; height: 300px; }
            .form-container { padding: 20px; }
            	.product-grid {
					grid-template-columns: 1fr;
					 
				}

				/* 重置所有项的列占比 */
				.product-item:nth-child(4),
				.product-item:nth-child(5) {
					grid-column: span 1;
				}

				.product-item {
					height: 250px;
					/* 移动端图片高度适配 */
				}

				.product-btn {
					font-size: 16px;
					padding: 10px 20px;
				}
        }
        
        
        
            .header-nav {
            background-color: #ffffff;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 999;
            padding: 15px 20px;
            transition: all 0.3s ease;
            border-bottom: 1px solid #f5f5f5;
        }

        .nav-wrapper {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: flex-start;
            height: auto;
            gap: 60px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
        }

        .brand-logo img {
            height: 60px;
            width: auto;
            transition: height 0.3s ease;
        }

        .brand-logo img.logo-small {
            height: 50px;
        }

        .nav-list {
            margin: 0;
            display: flex;
            list-style: none;
            position: relative;
            align-items: center;
            gap: 45px;
            flex: 1;
            justify-content: center;
        }

        .nav-item {
            position: relative;
        }

        .nav-links {
            color: #333333;
            text-decoration: none;
            font-size: 15px;
            font-weight: 400;
            letter-spacing: 0.5px;
            padding: 10px 0;
            display: block;
            position: relative;
            transition: color 0.3s ease;
        }

        .nav-links::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: #2d8b47;
            transition: width 0.3s ease-in-out;
        }

        .nav-links.current::after {
            width: 100%;
        }

        .nav-links:hover {
            color: #2d8b47;
        }
        .nav-links:hover::after {
            width: 100%;
        }

        .submenu {
            position: absolute;
            top: 100%;
            left: 0;
            background-color: #ffffff;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            border-radius: 2px;
            min-width: 220px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(5px);
            transition: all 0.3s ease;
            z-index: 998;
            border: 1px solid #f0f0f0;
        }

        .submenu .submenu {
            top: 0;
            left: 100%;
        }

        .nav-item:hover > .submenu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .submenu-item {
            padding: 0;
            white-space: nowrap;
        }

        .submenu-link {
            color: #555555;
            text-decoration: none;
            display: block;
            padding: 10px 15px;
            font-size: 14px;
            transition: background-color 0.2s ease, color 0.2s ease;
        }

        .submenu-link:hover {
            background-color: #f8f9fa;
            color: #2d8b47;
        }

        .has-children > .submenu-link::after {
            content: "→";
            float: right;
            font-size: 12px;
            margin-left: 5px;
            color: #999;
        }

     
        .lang-switcher {
            margin-left: 20px;
            margin-right: 20px;
            display: flex;
            align-items: center;
        }

        .lang-switcher .fa-globe {
            color: #2d8b47;
            margin-right: 8px;
            font-size: 16px;
        }

        .lang-switcher select {
            padding: 6px 20px;
            border: 1px solid #e0e0e0;
            border-radius: 3px;
            background-color: #ffffff;
            cursor: pointer;
            font-size: 14px;
            color: #333;
            appearance: none;
            background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath fill='%23666' d='M0 0l5 5 5-5z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 8px center;
            background-size: 10px;
        }

        .lang-switcher select:focus {
            outline: none;
            border-color: #2d8b47;
        }

        .main-content {
            margin-top: 90px;
            padding: 20px;
            height: 2000px;
        }

       
        .mobile-toggle {
            display: none;
            flex-direction: column;
            justify-content: space-between;
            width: 30px;
            height: 22px;
            cursor: pointer;
            z-index: 1000;
        }

        .mobile-toggle span {
            display: block;
            width: 100%;
            height: 2px;
            background-color: #333;
            transition: all 0.3s ease;
        }

    
        @media (max-width: 768px) {
            .nav-wrapper {
                justify-content: space-between;
                gap: 0;
            }

            .mobile-toggle {
                display: flex;
            }

            .nav-list {
                position: fixed;
                top: 0;
                right: 0;
                height: 100vh;
                width: 280px;
                background-color: #fff;
                flex-direction: column;
                align-items: flex-start;
                justify-content: flex-start;
                padding: 80px 20px 20px;
                gap: 0;
                box-shadow: -2px 0 10px rgba(0,0,0,0.1);
                transform: translateX(100%);
                transition: transform 0.3s ease-in-out;
                z-index: 999;
                overflow-y: auto;
            }

            .nav-list.open {
                transform: translateX(0);
            }

            .nav-item {
                width: 100%;
                margin: 5px 0;
                border-bottom: 1px solid #f5f5f5;
            }

            .nav-links {
                padding: 15px 0;
                font-size: 16px;
                width: 100%;
            }

            .nav-links::after {
                display: none;
            }

            .nav-links.current {
                color: #2d8b47;
                font-weight: 500;
            }

            .nav-links:hover {
                background-color: #f8f9fa;
            }

            .submenu {
                position: static;
                opacity: 1;
                visibility: visible;
                transform: none;
                box-shadow: none;
                border: none;
                min-width: 100%;
                padding-left: 15px;
                display: none;
            }

            .nav-item.expand > .submenu {
                display: block;
            }

            .submenu .submenu {
                padding-left: 15px;
            }

            .submenu-item {
                border-bottom: none;
            }

            .submenu-link {
                padding: 12px 0;
                font-size: 15px;
            }

            .has-children > .submenu-link::after {
                content: "↓";
                float: right;
                font-size: 12px;
                color: #666;
            }

            .lang-switcher {
                width: 100%;
                margin: 15px 0;
                padding: 10px 0;
                border-bottom: 1px solid #f5f5f5;
            }

            .lang-switcher select {
                width: 100%;
                padding: 10px;
                font-size: 16px;
            }

            .mobile-toggle.active span:nth-child(1) {
                transform: translateY(10px) rotate(45deg);
            }

            .mobile-toggle.active span:nth-child(2) {
                opacity: 0;
            }

            .mobile-toggle.active span:nth-child(3) {
                transform: translateY(-10px) rotate(-45deg);
            }

            .main-content {
                margin-top: 80px;
            }

            .brand-logo img {
                height: 50px;
            }

            .brand-logo img.logo-small {
                height: 40px;
            }
        }

   
        @media (min-width: 769px) and (max-width: 992px) {
            .nav-wrapper {
                gap: 30px;
            }

            .nav-list {
                gap: 20px;
            }

            .nav-links {
                font-size: 14px;
            }
        }

   
        @media (min-width: 993px) {
            .mobile-toggle {
                display: none;
            }
        }