a:hover{text-decoration:none;}

 body {
            font-family: "Microsoft YaHei", sans-serif;
            background-color: #f5f5f5;
            margin: 0;
            padding: 0;
        }
        .header {
            background: linear-gradient(135deg, #1a56a8 0%, #2b74c9 100%);
            color: white;
            padding: 20px 0;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .header .logo {
            display: flex;
            align-items: center;
        }
        .header .logo-icon {
            font-size: 42px;
            margin-right: 15px;
        }
        .header .logo-text h1 {
            margin: 0;
            font-size: 28px;
            font-weight: 600;
        }
        .header .logo-text p {
            margin: 5px 0 0 0;
            font-size: 14px;
            opacity: 0.9;
        }
        .header .nav {
            display: flex;
            align-items: center;
        }
        .header .nav-item {
            color: white;
            margin-left: 30px;
            font-size: 16px;
            cursor: pointer;
            padding: 8px 12px;
            border-radius: 4px;
            transition: all 0.3s;
        }
        .header .nav-item a{
            color: white;
        }
        .header .nav-item:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .header .nav-item.active {
            background-color: rgba(255, 255, 255, 0.2);
            font-weight: 500;
        }
        .banner {
            background: url('https://picsum.photos/id/1033/1920/500') no-repeat center center;
            background-size: cover;
            padding: 120px 0;
            text-align: center;
            color: white;
            position: relative;
        }
        .banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(26, 86, 168, 0.6);
        }
        .banner .container {
            position: relative;
            z-index: 1;
        }
        .banner h2 {
            font-size: 48px;
            margin: 0 0 20px 0;
            font-weight: 600;
        }
        .banner p {
            font-size: 20px;
            margin: 0 0 30px 0;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        .banner .btn {
            background-color: #fff;
            color: #1a56a8;
            border: none;
            padding: 12px 36px;
            font-size: 18px;
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.3s;
            font-weight: 500;
        }
        .banner .btn:hover {
            background-color: #f0f0f0;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        }
        .main-content {
            padding: 60px 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }
        .section-title h3 {
            font-size: 32px;
            color: #1a56a8;
            margin: 0 0 10px 0;
            font-weight: 600;
        }
        .section-title .line {
            width: 100px;
            height: 4px;
            background-color: #1a56a8;
            margin: 0 auto;
            border-radius: 2px;
        }
        .module-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 30px;
        }

        .module-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 30px;
        }

        .module-grid-1 {
            display: grid;
            grid-template-columns: repeat(2, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 30px;
        }

        .module-item {
            background-color: white;
            border-radius: 8px;
            padding: 30px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
            transition: all 0.3s;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .module-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
        }
        .module-icon {
            font-size: 48px;
            color: #1a56a8;
            margin-bottom: 20px;
            text-align: center;
        }
        .module-title {
            font-size: 20px;
            color: #333;
            margin-bottom: 15px;
            text-align: center;
            font-weight: 500;
        }
        .module-desc {
            color: #666;
            line-height: 1.6;
            flex-grow: 1;
        }
        .module-more {
            margin-top: 20px;
            text-align: center;
        }
        .module-more a {
            color: #1a56a8;
            text-decoration: none;
            font-weight: 500;
        }
        .module-more a:hover {
            text-decoration: underline;
        }
        .features {
            background-color: #f8f9fa;
            padding: 60px 0;
        }
        .feature-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
        }
        .feature-item {
            background-color: white;
            border-radius: 8px;
            padding: 25px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
            display: flex;
            align-items: flex-start;
        }
        .feature-icon {
            font-size: 24px;
            color: #1a56a8;
            margin-right: 15px;
            flex-shrink: 0;
            margin-top: 3px;
        }
        .feature-content h4 {
            margin: 0 0 8px 0;
            font-size: 16px;
            color: #333;
            font-weight: 500;
        }
        .feature-content p {
            margin: 0;
            color: #666;
            font-size: 14px;
            line-height: 1.5;
        }


         /* 2. 统一图标样式（大小、颜色、居中） */
        .module-icon {
            font-size: 36px; /* 图标大小 */
            color: #2E86AB; /* 主色调（蓝色，可根据需求调整） */
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background-color: #F0F7FF; /* 图标背景色，增强层次感 */
            margin-left: auto;
            margin-right: auto;
        }
        /* 特色功能区图标样式（若后续启用需同步） */
        .feature-icon {
            font-size: 28px;
            color: #2E86AB;
            margin-right: 15px;
        }

        .news {
            padding: 60px 0;
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        .news-item {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
            transition: all 0.3s;
        }
        .news-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
        }
        .news-image {
            height: 180px;
            overflow: hidden;
        }
        .news-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s;
        }
        .news-item:hover .news-image img {
            transform: scale(1.05);
        }
        .news-content {
            padding: 20px;
        }
        .news-date {
            color: #999;
            font-size: 12px;
            margin-bottom: 8px;
        }
        .news-title {
            font-size: 18px;
            color: #333;
            margin-bottom: 10px;
            font-weight: 500;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        .news-desc {
            color: #666;
            font-size: 14px;
            line-height: 1.5;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
        }

        .clear {
            color: both;
        }

        .blank5{height:5px;overflow:hidden;}



.blank10{height:10px;overflow:hidden;}



.blank15{height:15px;overflow:hidden;}



.blank20{height:20px;overflow:hidden;}



.blank30{height:30px;overflow:hidden;}

        .footer {
            background-color: #1a56a8;
            color: white;
            padding: 50px 0 30px 0;
        }
        .footer-top {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-column h4 {
            font-size: 18px;
            margin: 0 0 20px 0;
            font-weight: 500;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-column h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background-color: rgba(255, 255, 255, 0.3);
        }
        .footer-column ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-column ul li {
            margin-bottom: 10px;
        }
        .footer-column ul li a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: color 0.3s;
            font-size: 14px;
        }
        .footer-column ul li a:hover {
            color: white;
        }
        .footer-contact p {
            margin: 0 0 10px 0;
            color: rgba(255, 255, 255, 0.8);
            font-size: 14px;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.6);
            font-size: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        /* 响应式调整 */
        @media (max-width: 768px) {
            .header .container {
                flex-direction: column;
                text-align: center;
            }
            .header .nav {
                margin-top: 20px;
                justify-content: center;
                flex-wrap: wrap;
            }
            .header .nav-item {
                margin: 5px 10px;
            }
            .banner h2 {
                font-size: 36px;
            }
            .banner p {
                font-size: 16px;
            }
            .section-title h3 {
                font-size: 28px;
            }
        }