/* styles.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

:root {
    --primary: #3D55A7;
    --primary-dark: #1D3897;
    --secondary: #F0F2FC;
    --accent: #FF6B6B;
    --text: #333;
    --light: #fff;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e7f1 100%);
    color: var(--text);
    line-height: 1.6;
    padding-bottom: 40px;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 顶部标题样式 */
header {
    background: linear-gradient(to right, var(--primary-dark), var(--primary));
    color: var(--light);
    padding: 20px 0;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

header::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 70%);
    transform: rotate(30deg);
    pointer-events: none;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-section img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.3);
}

.title-section h1 {
    font-size: 1.8rem;
    font-weight: 600;
    line-height: 1.3;
}

.slogan-section img {
    height: 50px;
    opacity: 0.9;
}

/* 响应式导航栏 */
nav {
    background-color: var(--primary);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--light);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 15px;
}

.nav-ul {
    display: flex;
    list-style: none;
}

.nav-ul li {
    position: relative;
}

.nav-ul a {
    display: block;
    padding: 18px 25px;
    color: var(--light);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-ul a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-ul a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 4px;
    background: var(--accent);
    transform: translateX(-50%);
    transition: var(--transition);
    border-radius: 2px;
}

.nav-ul a:hover::after {
    width: 80%;
}

.nav-ul-li-active {
    background-color: var(--primary-dark);
}

.nav-ul-li-active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 80%;
    height: 4px;
    background: var(--accent);
    transform: translateX(-50%);
    border-radius: 2px;
}
.dropdown-content a.nav-ul-li-active {
    background-color: var(--primary-dark);
    color: var(--light);
}

/* 主要内容区域 */
main {
    padding: 40px 0;
}

.profile-section {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 40px;
}

.profile-image {
    flex: 1;
    min-width: 300px;
    display: flex;
    justify-content: center;
    position: relative;
}

.profile-image img {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    border: 5px solid var(--light);
    box-shadow: var(--shadow);
    object-fit: cover;
    transition: var(--transition);
}

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

.social-links {
    position: absolute;
    bottom: 30px;
    display: flex;
    gap: 15px;
    background: var(--light);
    padding: 12px 20px;
    border-radius: 50px;
    box-shadow: var(--shadow);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--secondary);
    color: var(--primary);
    font-size: 1.3rem;
    transition: var(--transition);
    text-decoration: none;

}

.social-links a:hover {
    background: var(--primary);
    color: var(--light);
    transform: translateY(-5px);
}

.profile-details {
    flex: 2;
    min-width: 300px;
    padding: 30px;
    background: var(--light);
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.profile-details h2 {
    color: var(--primary-dark);
    font-size: 2.2rem;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 3px solid var(--secondary);
}

.detail-item {
    display: flex;
    align-items: center;
    margin: 20px 0;
    padding-left: 10px;
    border-left: 3px solid var(--primary);
}

.detail-item i {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--secondary);
    color: var(--primary);
    border-radius: 50%;
    margin-right: 15px;
    font-size: 1.1rem;
}

.detail-item p {
    font-size: 1.2rem;
    color: var(--text);
}

/* 新闻和链接部分 */
.content-section {
    background: var(--light);
    border-radius: 20px;
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 30px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    background: linear-gradient(to right, var(--primary), var(--primary-dark));
    color: var(--light);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
}

.section-link {
    color: var(--light);
    text-decoration: none;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.section-link:hover {
    color: var(--accent);
}

.section-content {
    padding: 25px 30px;
}

.news-item {
    display: flex;
    align-items: flex-start;
    padding: 20px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

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

.news-icon {
    width: 24px;
    height: 24px;
    margin-right: 15px;
    margin-top: 5px;
    color: var(--primary);
}

.news-content {
    flex: 1;
}

.news-date {
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 5px;
    display: inline-block;
    background: var(--secondary);
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.9rem;
}

.news-text {
    font-size: 1.1rem;
    line-height: 1.5;
}

.link-item {
    display: flex;
    align-items: center;
    padding: 15px 0;
}

.link-item a {
    display: flex;
    align-items: center;
    color: var(--primary);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    transition: var(--transition);
}

.link-item a:hover {
    color: var(--accent);
    transform: translateX(5px);
}

.link-item i {
    margin-right: 15px;
    font-size: 1.2rem;
    color: var(--primary);
}

/* 页脚样式 */
footer {
    text-align: center;
    padding: 30px 0;
    color: var(--text);
    font-size: 1rem;
    margin-top: 20px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .header-content {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .logo-section {
        justify-content: center;
    }
    
    .slogan-section {
        margin-top: 10px;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
        .social-links {
        padding: 10px 15px;
        gap: 10px;
	bottom: -50px;
    }
    .nav-ul {
        display: none;
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 100%;
        left: 0;
        background: var(--primary);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }
    
    .nav-ul.active {
        display: flex;
    }
    
    .nav-ul li {
        width: 100%;
    }
    
    .nav-ul a {
        padding: 15px 20px;
        text-align: center;
    }
    
    .profile-section {
        flex-direction: column;
        align-items: center;
    }
    
    .profile-details {
        width: 100%;
    }
}

@media (max-width: 576px) {
    .title-section h1 {
        font-size: 1.5rem;
    }
    
    .slogan-section img {
        height: 40px;
    }
    
    .profile-image img {
        width: 240px;
        height: 240px;
    }
    
    .social-links {
        padding: 10px 15px;
        gap: 10px;
    }
    
    .social-links a {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }
    
    .detail-item p {
        font-size: 1.1rem;
    }
    
    .section-header {
        padding: 15px 20px;
    }
    
    .section-content {
        padding: 20px;
    }
    
    .news-text {
        font-size: 1rem;
    }
}

/* 下拉菜单容器 */
.dropdown {
  position: relative;
  display: inline-block;
}

/* 主按钮样式 */
.dropbtn {
  display: block;
  padding: 10px 20px;
  color: white;
  text-decoration: none;
}

/* 下拉内容隐藏 */
.dropdown-content {
  display: none;
  position: absolute;
  background-color: #ffffff;
  min-width: 120px;
  box-shadow: 0px 8px 16px rgba(0,0,0,0.2);
  z-index: 1000;
}

/* 下拉菜单链接样式 */
.dropdown-content a {
  color: #333;
  padding: 10px 15px;
  text-decoration: none;
  display: block;
  font-size: 15px;

}

/* 鼠标悬停时显示下拉 */
.dropdown:hover .dropdown-content {
  display: block;
}

/* 下拉项悬停高亮 */
.dropdown-content a:hover {
  background-color: #f1f1f1;

}

/* 导航栏激活样式（可选） */
.nav-ul .nav-ul-li-active, .dropbtn:hover {
  background-color: #4a90e2;
}
/* 强制显示 .show 类的 dropdown 菜单 */
.dropdown-content.show {
  display: block !important;
  position: static;
  background-color: var(--primary);
  box-shadow: none;
  padding-left: 0;
  padding-right: 0;
	
}
.dropdown-content a.chosen {
background-color: var(--primary-dark);

  border-bottom: 3px solid rgba(0, 0, 0, 0.08);
  color: white;
}