 /* 导航菜单 */
 
 @media (min-width: 1400px) {
    .m_menu {display:none}
}
        .nav-menu {
            display: flex;
            list-style: none;
            align-items: center;
        }

        .nav-item {
            position: relative;
            margin: 0 5px;
        }

        .nav-link {
            color: rgba(255, 255, 255, 0.9);
            text-decoration: none;
            padding: 12px 20px;
            display: block;
            transition: all 0.3s ease;
            border-radius: 8px;
            font-weight: 500;
            position: relative;
            overflow: hidden;
            white-space: nowrap;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 3px;
            background: linear-gradient(90deg, #4a7bb9, #2c5282);
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }

        .nav-link:hover {
            color: #3498db!important;
            background: rgba(255, 255, 255, 0.1);
        }

        .nav-link:hover::after {
            width: 70%;
        }

        /* 下拉菜单样式 - 玻璃拟态 */
        .dropdown-menu {
            position: absolute;
            top: 100%;
            left: 0;
            background: rgba(89, 89, 89, 0.9);
            backdrop-filter: blur(10px);
            min-width: 240px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            border-radius: 12px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-10px);
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            border: 1px solid rgba(255, 255, 255, 0.5);
            overflow: hidden;
            z-index: 1001;
        }

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

        .dropdown-item {
            padding: 14px 24px; 
            font-size: .20rem!important;
            color: #fff!important;
            text-decoration: none;
            display: block;
            transition: all 0.3s ease;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            font-weight: 500;
            position: relative;
            overflow: hidden;
            white-space: nowrap;
        }

        .dropdown-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(74, 123, 185, 0.1), transparent);
            transition: left 0.5s;
        }

        .dropdown-item:hover {
            background: rgba(0, 64, 152, 0.8);
            color: #1a3a6c;
            padding-left: 30px;
        }

        .dropdown-item:hover::before {
            left: 100%;
        }

        .dropdown-item:last-child {
            border-bottom: none;
        }

        .dropdown-item::after {
            content: '→';
            position: absolute;
            right: 20px;
            opacity: 0;
            transition: all 0.3s ease;
        }

        .dropdown-item:hover::after {
            opacity: 1;
            right: 15px;
        } 
        /* 下拉箭头 */
        .dropdown-arrow {
            margin-left: 5px;
            font-size: 12px;
            transition: transform 0.3s ease;
            display: inline-block;
        }

        .nav-item:hover .dropdown-arrow {
            transform: rotate(180deg);
        }

        /* 移动端菜单按钮 */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 24px;
            cursor: pointer;
            padding: 5px;
            transition: all 0.3s ease;
        }

        .mobile-menu-btn:hover {
            transform: scale(1.1);
        }
        
        @media (min-width: 1500px) {
            .dropdown-item{
                font-size: 16px!important; 
            }
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }

            .nav-menu {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background: rgba(26, 58, 108, 0.95);
                backdrop-filter: blur(10px);
                flex-direction: column;
                padding: 30px 20px;
                transition: left 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
                overflow-y: auto;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
            }

            .nav-menu.active {
                left: 0;
            }

            .nav-item {
                width: 100%;
                margin: 8px 0;
            }

            .nav-link {
                padding: 15px 20px;
                width: 100%;
                border-radius: 8px;
            }

            .dropdown-menu {
                position: static;
                opacity: 1;
                visibility: visible;
                transform: none;
                box-shadow: none;
                background: rgba(255, 255, 255, 0.1);
                margin-top: 10px;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.4s ease;
                border: none;
                border-radius: 8px;
            }

            .nav-item:hover .dropdown-menu {
                max-height: 500px;
            } 
            .nav-item:hover .dropdown-menu .dropdown-item{
                color: #fff!important;
            }
            .dropdown-item {
                color: #fff!important;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                padding: 15px 30px;
            }

            .dropdown-item:hover {
                background: rgba(255, 255, 255, 0.15);
                color: white;
                padding-left: 35px;
            }

            .dropdown-item::after {
                color: white;
            }
        }


 /* 整体区域：深蓝背景 + 两侧 40px 留距 */
  .yc-advantage-wrap{
    background:#0d1b36;          /* 主深蓝 */
    padding:80px 40px;
    font-family:"PingFang SC","Helvetica Neue",Arial,sans-serif;
  }
  /* 标题：金色高亮 */
  .yc-advantage-title{
    text-align:center;
    font-size:36px;
    font-weight:600;
    color:#fff;
    margin-bottom:50px;
    letter-spacing:2px;
  }
  .yc-advantage-title span{
    color:#c5a46d;              /* 金色点缀 */
  }

  /* 五块大卡片：平均分布、无间隙 */
  .yc-advantage-list{
    display:flex;
    justify-content:space-between;
    gap:0;
  }
  .yc-advantage-item{
    flex:1;
    background:#12274a;        /* 卡片深蓝 */
    border:1px solid #1d3a65;
    margin:0 4px;              /* 仅 4px 细线分割 */
    padding:40px 24px;
    text-align:center;
    transition:.3s;
  }
  .yc-advantage-item:hover{
    border-color:#c5a46d;
    transform:translateY(-6px);
  }

  /* 图标容器：金色圆形 */
  .yc-advantage-icon{
    width:80px;
    height:80px;
    margin:0 auto 24px;
    background:#c5a46d;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
  }
  .yc-advantage-icon svg{
    width:44px;
    height:44px;
    fill:#0d1b36;
  }

  /* 文字 */
  .yc-advantage-t1{
    font-size:20px;
    color:#fff;
    font-weight:600;
    margin-bottom:12px;
  }
  .yc-advantage-t2{
    font-size:14px;
    color:#a9b4c9;
    line-height:1.7;
  }

  /* 响应式：小屏自动换行 */
  @media(max-width:900px){
    .yc-advantage-list{flex-wrap:wrap;}
    .yc-advantage-item{flex:1 1 100%; margin:4px 0;}
  }
  


.yc-advantage-wrap{
  background:#fff;
  padding:80px 40px;
  font-family:"PingFang SC","Helvetica Neue",Arial,sans-serif;
}
.yc-advantage-title{
  text-align:center;
  font-size:36px;
  font-weight:600;
  color:#1a1a1a;
  margin-bottom:50px;
  letter-spacing:2px;
}
.yc-advantage-title span{
  color:#c5a46d;              /* 雾金点缀 */
}

/* 五卡片：无间隙、两侧留距 */
.yc-advantage-list{
  display:flex;
  justify-content:space-between;
  gap:0;
}
.yc-advantage-item{
  flex:1;
  background:#f7f8fa;        /* 极浅灰 */
  border:1px solid #e6e8eb;
  margin:0 4px;
  padding:40px 24px;
  text-align:center;
  transition:.3s;
}
.yc-advantage-item:hover{
  border-color:#c5a46d;
  box-shadow:0 6px 20px rgba(0,0,0,.05);
  transform:translateY(-4px);
}

/* 图标：雾金圆形 */
.yc-advantage-icon{
  width:80px;
  height:80px;
  margin:0 auto 24px;
  background:#c5a46d;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
}
.yc-advantage-icon svg{
  width:44px;
  height:44px;
  fill:#fff;
}

/* 文字 */
.yc-advantage-t1{
  font-size:20px;
  color:#1a1a1a;
  font-weight:600;
  margin-bottom:12px;
}
.yc-advantage-t2{
  font-size:14px;
  color:#5c5c5c;
  line-height:1.7;
}

/* 响应式 */
@media(max-width:900px){
  .yc-advantage-list{flex-wrap:wrap;}
  .yc-advantage-item{flex:1 1 100%; margin:4px 0;}
}



/*时间列表*/

.t-container {
            /*max-width: 1200px;*/
            margin: 0 auto;
            /*background: rgba(255, 255, 255, 0.95);*/
            border-radius: 16px;
            /*box-shadow: 0 8px 32px rgba(31, 97, 141, 0.15);*/
            padding: 20px 40px;
            /*backdrop-filter: blur(10px);*/
            /*border: 1px solid rgba(255, 255, 255, 0.5);*/
        }
 .timeline {
            position: relative;
            padding: 10px 0;
        }
        
        .timeline::before {
            content: '';
            position: absolute;
            left: 0%;
            top: 0;
            bottom: 0;
            width: 4px;
            /*background: linear-gradient(to bottom, #3498db, #2c3e50);*/
            transform: translateX(-50%);
            border-radius: 2px;
        }
        
        .timeline-item {
            position: relative;
            margin-bottom: 70px;
            opacity: 0;
            animation: fadeInUp 0.6s ease forwards;
        }
        
        .timeline-item:nth-child(1) { animation-delay: 0.1s; }
        .timeline-item:nth-child(2) { animation-delay: 0.2s; }
        .timeline-item:nth-child(3) { animation-delay: 0.3s; }
        .timeline-item:nth-child(4) { animation-delay: 0.4s; }
        .timeline-item:nth-child(5) { animation-delay: 0.5s; }
        .timeline-item:nth-child(6) { animation-delay: 0.6s; }
        
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        
        .timeline-content {
            position: relative;
            width: 85%;
            padding: 10px 30px;
            /*background: white;*/
            border-radius: 16px;
            /*box-shadow: 0 10px 30px rgba(52, 152, 219, 0.15);*/
            transition: all 0.4s ease;
            /*border: 1px solid rgba(236, 240, 241, 0.8);*/
        }
        
        .timeline-content:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 40px rgba(52, 152, 219, 0.25);
        }
        
        .timeline-item:nth-child(odd) .timeline-content {
            margin-left: 5%;
            width: 50%;
        }
        
        .timeline-item:nth-child(even) .timeline-content {
            margin-right: 5%;
        }
        
        .timeline-year {
            position: absolute;
            left: 0%;
            top: 20px;
            transform: translateX(-50%);
            background-color: var(--main_color);
            /*background: linear-gradient(135deg, #1a5276, #3498db);*/
            color: white;
            padding: 12px 24px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.3em;
            z-index: 10;
            box-shadow: 0 5px 15px rgba(26, 82, 118, 0.3);
            letter-spacing: 0.5px;
        }
        
        .timeline-content h3 {
            color: #1a5276;
            font-size: 1.6em;
            margin-bottom: 12px;
            font-weight: 700;
            position: relative;
            padding-bottom: 10px;
        }
        
        .timeline-content h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: #3498db;
            border-radius: 2px;
        }
        
        .timeline-content ul {
            list-style: none;
            padding-left: 0;
        }
        
        .timeline-content li {
            margin-bottom: 10px;
            position: relative;
            padding-left: 30px;
            color: #34495e;
            font-size: 1.25em;
            line-height: 1.6;
            transition: transform 0.3s ease;
        }
        
        .timeline-content li:hover {
            transform: translateX(5px);
        }
        
        .timeline-content li::before {
            content: '•';
            position: absolute;
            left: 0;
            color: #3498db;
            font-size: 1.8em;
            top: -3px;
            line-height: 24px;
        }
        
        .highlight {
            background: linear-gradient(120deg, #d6eaf8 0%, #ebf5fb 100%);
            padding: 20px;
            border-radius: 12px;
            margin: 20px 0;
            border-left: 4px solid #3498db;
            font-weight: 500;
            color: #1a5276;
            position: relative;
            overflow: hidden;
        }
        
        .highlight::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
            transform: translateX(-100%);
            animation: shimmer 2s infinite;
        }
        
        .phase-tag {
            display: inline-block;
            background: linear-gradient(135deg, #3498db, #1a5276);
            color: white;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.9em;
            margin-bottom: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            box-shadow: 0 4px 10px rgba(52, 152, 219, 0.3);
        }
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes shimmer {
            100% {
                transform: translateX(100%);
            }
        }
        
        .icon {
            display: inline-block;
            width: 20px;
            height: 20px;
            margin-right: 8px;
            vertical-align: middle;
            filter: drop-shadow(0 2px 2px rgba(0,0,0,0.1));
        }
        
        @media (max-width: 768px) {
           
            
            .header h1 {
                font-size: 2.2em;
            }
            
            .timeline::before {
                left: 30px;
            }
            
            .timeline-year {
                left: 30px;
                transform: translateX(-50%);
            }
            
            .timeline-content {
                width: calc(100% - 80px)!important;
                margin-left: 80px !important;
                margin-right: 0 !important;
            }
            
            .timeline-content h3 {
                font-size: 1.4em;
            }
        }
        
        @media (max-width: 480px) {
      
            
            .header h1 {
                font-size: 1.8em;
            }
            
            .timeline-content {
                width: calc(100% - 60px);
                margin-left: 60px !important;
                padding: 20px;
            }
            
            .timeline-year {
                font-size: 1.1em;
                padding: 10px 18px;
            }
        }

/* 友情链接基础样式 */
.footer-links-section { 
    padding: 5px 0 10px;
    margin-top: 10px;
}

.footer-links-title {
    text-align: left;
    color: #ecf0f1;
    font-size: 18px;
    font-weight: 600;
    /*margin-bottom: 10px;*/
    position: relative;
}

/*.footer-links-title::after {*/
/*    content: '';*/
/*    position: absolute;*/
/*    bottom: -8px;*/
/*    left: 3%;*/
/*    transform: translateX(-50%);*/
/*    width: 60px;*/
/*    height: 3px;*/
/*    background: linear-gradient(90deg, #3498db, #2ecc71);*/
/*    border-radius: 2px;*/
/*}*/

.footer-links-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: left;
    align-items: flex-start;
    gap: 15px 25px;
    max-width: 1200px;
    margin: 0;
    padding: 0;
}

.footer-link {
    color: rgb(255 255 255 / 74%);
    text-decoration: none;
    font-size: 14px;
    padding: 5px;
    /*border: 1px solid #34495e;*/
    /*border-radius: 20px;*/
    /*background-color: rgba(255, 255, 255, 0.05);*/
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

/* 鼠标悬停动画效果 */
.footer-link:hover {
    color: #ffffff;
    background-color: #004098;
    border-color: #004098;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 64, 152, 0.3);
}

/* 点击效果 */
.footer-link:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(52, 152, 219, 0.3);
}

/* 光波扫过效果 */
.footer-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.footer-link:hover::before {
    left: 100%;
}

/* 分隔线样式（可选） */
.footer-link-divider {
    color: #7f8c8d;
    font-size: 16px;
    margin: 0 5px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .footer-links-section {
        padding: 10px 0 20px;
    }
    
    .footer-links-title {
        font-size: 12px;
        /*margin-bottom: 10px;*/
        width: 46%;
        text-align: center;
    }
    
    .footer-links-container {
        gap: 10px 15px;
    }
    
    .footer-link {
        font-size: 12px;
        padding: 0px 12px;
    }
}

@media (max-width: 480px) {
    .footer-links-container {
        flex-direction: row;
        gap: 6px;
    }
    
    .footer-link {
        width: 48%;
        max-width: 200px;
        text-align: center;
        padding: 0px 5px;
    }
}

/* 暗色主题变体（可选） */
.footer-links-section.light-theme {
    background-color: #f8f9fa;
    border-top: 1px solid #e9ecef;
}

.footer-links-section.light-theme .footer-links-title {
    color: #2c3e50;
}

.footer-links-section.light-theme .footer-links-title::after {
    background: linear-gradient(90deg, #3498db, #2ecc71);
}

.footer-links-section.light-theme .footer-link {
    color: #6c757d;
    border-color: #dee2e6;
    background-color: #ffffff;
}

.footer-links-section.light-theme .footer-link:hover {
    color: #ffffff;
    background-color: #3498db;
    border-color: #3498db;
}


/*联系我们内容*/
.flex {
    display: flex;
    /*height: 920px;*/
}
.flex .contact_sec1_flex {
    width: 40%;
    margin-top: 0px;
}
.flex .contact_sec1_flex .contact_sec1_item{
    width: 100%;
}
.flex .contact_sec1_flex .contact_sec1_t1{
    font-size: 28px;
    margin-bottom: 20px;
    font-weight: 800;
}
.flex .contact_sec1_flex .contact_sec1_t2{
    font-size: .22rem;
    margin-bottom: 20px;
    display: block;
}
.flex .contact_sec1_flex .contact_sec1_t2 img{
        width: 30px;
}
.flex .map_section1 {
    width: 60%;
}

.flex .map_sec{
    height: 100%;
}
.flex .map_sec img{
    height: 100%;
}

@media (max-width: 480px) {
    .flex {
        display: flex;
        height: auto!important;
        flex-direction: column;
        flex-wrap: nowrap;
        }
    .flex .contact_sec1_flex {
        width: 100%!important;
    }
    .flex .map_section1 {
        width: 100%!important;
    }
}


			/* 分页容器样式 */
			.pagination-container {
				margin: 40px auto;
				text-align: center;
				padding: 20px 0;
			}
			
			/* 分页控件样式 */
			.pagination {
				display: inline-flex;
				align-items: center;
				justify-content: center;
				gap: 8px;
				list-style: none;
				padding: 0;
				margin: 0;
				flex-wrap: wrap;
			}
			
			/* 分页按钮通用样式 */
			.pagination li {
				display: inline-block;
			}
			
			.pagination li a,
			.pagination li span {
				display: inline-block;
				min-width: 40px;
				height: 40px;
				line-height: 40px;
				text-align: center;
				border-radius: 6px;
				background: #f8f9fa;
				color: #333;
				text-decoration: none;
				font-size: 14px;
				transition: all 0.3s ease;
				border: 1px solid #e9ecef;
			}
			
			/* 禁用状态 */
			.pagination li.disabled a,
			.pagination li.disabled span {
				color: #adb5bd;
				cursor: not-allowed;
				background: #f8f9fa;
				border-color: #e9ecef;
				pointer-events: none;
			}
			
			/* 激活状态 */
			.pagination li.active a,
			.pagination li.active span {
				background: #007bff;
				color: #fff;
				border-color: #007bff;
				font-weight: 600;
			}
			
			/* 悬停效果 */
			.pagination li:not(.disabled):not(.active) a:hover {
				background: #e9ecef;
				color: #007bff;
				border-color: #dee2e6;
			}
			
			/* 上一页/下一页按钮特殊样式 */
			.pagination li.prev a,
			.pagination li.next a {
				padding: 0 15px;
				min-width: auto;
			}
			
			/* 省略号样式 */
			.pagination li.ellipsis span {
				background: transparent;
				border: none;
				color: #6c757d;
				cursor: default;
			}
			
			/* 移动端适配 */
			@media (max-width: 768px) {
				.pagination {
					gap: 4px;
				}
				
				.pagination li a,
				.pagination li span {
					min-width: 34px;
					height: 34px;
					line-height: 34px;
					font-size: 13px;
				}
				
				.pagination li.prev a,
				.pagination li.next a {
					padding: 0 10px;
				}
				
				/* 移动端只显示更少的页码 */
				.pagination li.hidden-mobile {
					display: none;
				}
			}
			
			@media (max-width: 480px) {
				.pagination li a,
				.pagination li span {
					min-width: 30px;
					height: 30px;
					line-height: 30px;
				}
			}
			
			/* 表格响应式优化（配合分页） */
			.table-wrapper {
				overflow-x: auto;
				margin-bottom: 20px;
			}
			
			table {
				width: 100%;
				border-collapse: collapse;
				min-width: 800px;
			}
			
			table th, table td {
				padding: 12px 15px;
				text-align: left;
				border-bottom: 1px solid #e9ecef;
			}
			
			table th {
				background-color: #f8f9fa;
				font-weight: 600;
				color: #212529;
			}
			
			table tr:hover {
				background-color: #f8f9fa;
			}
			
			.map-link {
				color: #007bff;
				text-decoration: none;
			}
			
			.map-link:hover {
				text-decoration: underline;
			}
			
			
			/* 核心：奇偶行交替灰色 */
/* 偶数行（第2、4、6...行）设浅灰色 */
.table-wrapper tbody tr:nth-child(even) {
    background-color: #e0e2e4;*/ /* 浅灰色，可根据需求调整深浅 #f3f4f6
    /*background-color: #004098;*/
    color: #fff;
}

/* 奇数行（第1、3、5...行）设白色（或默认背景） */
.table-wrapper tbody tr:nth-child(odd) {
    background-color: #ffffff;
}

/* 可选：行hover高亮效果，提升交互体验 */
.table-wrapper tbody tr:hover {
    background-color: #e5e7eb; /* hover时加深灰色 */
    color: #004098;
    cursor: default;
}

/* 可选：禁用交替色（如需临时关闭，添加此类到table-wrapper） */
.table-wrapper.no-zebra tr:nth-child(even) {
    background-color: #ffffff !important;
}