* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
}

body {
    background-color: #f5f7fa;
    line-height: 1.6;
}
/* 主要内容区域 */
.main-content {
    display: flex;
    gap: 25px;
    margin: 30px 0;
}
.sbtn{
	width: 80px;height: 30px; background-color: #28a4c9;border: 0;color: white; cursor: pointer
}
/* 左侧导航 */
.left-nav {
    width: 30%;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: 30px 0;
}


.nav-title .en {
    font-size: 16px;
    color: #666;
    margin-top: 5px;
}

.side-menu {
    list-style: none;
}

.side-menu li {
    padding: 20px 0;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    text-align: center;
}
.side-menu a{
    text-decoration: none;
    color: black;
}

.side-menu li:hover {
    background-color: #f0f5ff;
    color: #2c5aa0;
}
.on{
	background-color: #f0f5ff;
    color: #2c5aa0;
}
.side-menu li.active,.shousuo1 {
    background-color: #26A0CC;
    color: white;
    font-weight: bold;
}

.side-menu li.active,.shousuo1 i {
    color: white;
}


/* 右侧内容 */
.content-area {
    flex: 1;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: 30px;
    position: relative;
    min-height: 600px;
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 20px;
    border-bottom: 2px solid #2c5aa0;
    margin-bottom: 25px;
}

.content-header h2 {
    font-size: 26px;
    color: #2c5aa0;
    display: flex;
    align-items: center;
}

.content-header .en {
    font-size: 18px;
    color: #666;
    margin-left: 15px;
    font-weight: normal;
}

.search-section {
    width: 100%;
    display: flex;
    justify-content: space-around;
    margin-bottom: 30px;
}
.filter-group {
    width: 24.5%;
    
}
.filter-group input {
    width: 80%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: white;
    transition: border 0.3s;
}
.search-button button {
    background: #4A89BE;
    color: white;
    border: none;
    padding: 10px 25px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 内容列表 */
.content-list {
    list-style: none;
}

.list-item {
    padding: 15px 0;
    border-bottom: 1px dashed #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s;
}

.list-item:hover {
    background-color: #f9faff;
    padding-left: 10px;
    border-bottom-color: #d0d7e4;
}

.list-title {
    flex: 1;
    font-size: 16px;
    color: #333;
    text-decoration: none;
    display: block;
    position: relative;
    padding-left: 20px;
}

.list-title::before {
    content: "•";
    color: #ff6b00;
    position: absolute;
    left: 0;
    top: 0;
}

.list-title:hover {
    color: #2c5aa0;
    text-decoration: underline;
}

.list-date {
    color: #888;
    font-size: 14px;
    min-width: 120px;
    text-align: right;
}

/* 内容详情 */
.content-detail {
    display: none;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.5s ease;
}

.content-detail.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.content-section {
    margin-bottom: 25px;
}

.content-section h3 {
    font-size: 22px;
    color: #2c5aa0;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
}

.content-section h3 i {
    margin-right: 10px;
    color: #ff6b00;
}

.content-section p {
    margin-bottom: 15px;
    line-height: 1.8;
    text-align: justify;
}

.highlight-box {
    background: #f0f5ff;
    border-left: 4px solid #2c5aa0;
    padding: 15px;
    margin: 20px 0;
    border-radius: 0 4px 4px 0;
}

/* 页脚 */
footer {
    background: #1a3a6c;
    color: white;
    padding: 30px 0;
    margin-top: 50px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
}

.copyright {
    font-size: 14px;
    opacity: 0.8;
}

.contact-info {
    text-align: right;
}

.contact-info p {
    margin-bottom: 5px;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 992px) {

    .left-nav {
        width: 100%;
    }

    .search-section {
        flex-direction: column;
    }

    .content-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .content-header h2 {
        margin-bottom: 15px;
    }
}

.breadcrumb {
    margin: 20px 0 10px;
    color: #666;
    font-size: 14px;
}

.breadcrumb a {
    color: #2c5aa0;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

.jq-animate {
    animation: fadeIn 0.5s ease forwards;
}