/* 基础样式 */
        body {
            background-color: #f5f5f5;
            color: #003566;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        /* 顶部装饰线条 */
        .top-line {
            height: 5px;
            background: linear-gradient(to right, #FFC300, #003566);
            animation: pulse 2s infinite;
        }

        /* 底部装饰线条 */
        .bottom-line {
            height: 5px;
            background: linear-gradient(to right, #003566, #FFC300);
            animation: pulse 2s infinite 0.5s;
        }

        /* 主内容区域 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem;
        }

        /* 内容部分 */
        .content-section {
            padding: 3rem 0;
            opacity: 0;
            transform: translateY(20px);
            animation: fadeInUp 1s ease forwards;
        }

        .content-section h2 {
            font-size: 1.8rem;
            color: #003566;
            margin-bottom: 1.5rem;
            text-align: left;
        }
        

        .content-section p {
            font-size: 1.1rem;
            line-height: 1.8;
            margin-bottom: 1.5rem;
            text-align: justify;
        }

        /* 虚线分隔线 */
        .dashed-line {
            border-top: 2px dashed #003566;
            margin: 1rem 0;
            opacity: 0;
            animation: fadeIn 0.8s ease forwards;
        }

        /* 图片部分 */
        .image-section {
            text-align: center;
            margin: 1rem 0;
            opacity: 0;
            transform: translateY(20px);
            animation: fadeInUp 1s ease forwards 0.3s;
        }

        .image-section img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: transform 0.5s ease;
        }

        .image-section img:hover {
            transform: scale(1.03);
        }

        /* 螺旋图部分 */
        .helix-diagram {
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
            margin: 2rem 0;
            opacity: 0;
            transform: translateY(20px);
            animation: fadeInUp 1s ease forwards 0.5s;
        }

        .helix-item {
            text-align: center;
            width: 18%;
            margin-bottom: 3rem;
            padding: 1rem;
            background-color: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: transform 0.5s ease;
        }

        .helix-item:hover {
            transform: translateY(-10px);
        }

        .helix-item h3 {
            font-size: 1.2rem;
            color: #003566;
            margin-bottom: 0.5rem;
        }

        .helix-item p {
            font-size: 0.9rem;
            line-height: 1.4;
        }

        /* 蓝色部分 */
        .blue-section {
            background-color: #003566;
            color: white;
            padding: 3rem 0;
            margin: 2rem 0;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            opacity: 0;
            transform: translateY(20px);
            animation: fadeInUp 1s ease forwards 0.7s;
        }

        .blue-section h2 {
            font-size: 1.8rem;
            color: white;
            margin-bottom: 1.5rem;
            text-align: left;
        }

        .blue-section h3 {
            font-size: 1.3rem;
            margin-bottom: 0.5rem;
            text-align: left;
        }

        .blue-section p {
            font-size: 1.1rem;
            line-height: 1.8;
            margin-bottom: 1.5rem;
            text-align: justify;
        }

        .blue-section ol {
            list-style-type: decimal;
            padding-left: 2rem;
            text-align: left;
        }

        .blue-section li {
            margin-bottom: 1.5rem;
        }

        .blue-section strong {
            font-weight: bold;
        }
        .content-wrapper {
            display: flex;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }

        .banner-section {
            flex: 1;
            margin-right: 30px;
        }

        .banner {
            font-size: 32px;
            font-weight: 700;
            color: #003366;
            margin-bottom: 10px;
            position: relative;
        }

        .banner::before {
            content: '';
            display: block;
            width: 100px;
            height: 4px;
            background-color: #ffcc00;
            margin-bottom: 10px;
        }
        .container1 {
            background-color: #003566;
            padding: 4rem 5%;
            margin-top: 3rem;
            color: white;
        }

        .description-section {
            flex: 2;
        }

        .description {
            font-size: 16px;
            color: #333;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .content-wrapper {
                flex-direction: column;
            }
            .vision-mission-container {
                flex-direction: column;
            }
            .vision-image, .mission-content {
                flex: 0 0 100%;
            }
            .vision-image {
                height: 200px;
            }
            .services-grid {
                grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            }
        }

        /* 动画定义 */
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @keyframes pulse {
            0% { opacity: 0.7; }
            50% { opacity: 1; }
            100% { opacity: 0.7; }
        }

        /* 响应式设计 */
        @media (max-width: 992px) {
            .helix-item {
                width: 45%;
            }
        }

        @media (max-width: 576px) {
            .helix-item {
                width: 100%;
            }
        }