/* 全局样式 */
:root {
    --primary-color: #536DFE;       /* 星辰蓝色 */
    --secondary-color: #B39DDB;     /* 星辰淡紫色 */
    --accent-color: #4527A0;        /* 深紫色 */
    --background-color: #F8F9FA;    /* 浅灰白色 */
    --text-color: #333;             /* 深灰色文字 */
    --light-text: #fff;             /* 白色文字 */
    --footer-color: #303F9F;        /* 页脚深蓝色 */
    --border-color: #E0E0E0;        /* 边框颜色 */
    --shadow-color: rgba(0, 0, 0, 0.1); /* 阴影颜色 */

    /* 添加科技感颜色 */
    --neon-blue: #00A5FF;           /* 霓虹蓝 */
    --neon-purple: #8A2BE2;         /* 霓虹紫 */
    --tech-dark: #11131E;           /* 科技深蓝黑 */
    --tech-highlight: #5D33F6;      /* 高亮紫色 */
    --tech-glow: rgba(93, 51, 246, 0.5); /* 紫色光晕 */
    
    /* 为交互添加颜色 */
    --hover-color: #00BCD4;         /* 悬浮时的亮蓝色 */
    --hover-glow: rgba(0, 188, 212, 0.5); /* 悬浮时的光晕 */
}

/* 添加淡入淡出动画效果 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.logo, .hero h2, .hero .subtitle, .section-title, .research-area, .news-item, .publication {
    animation: fadeIn 0.8s ease-out forwards;
    opacity: 0;
}

.logo { animation-delay: 0.2s; }
.hero h2 { animation-delay: 0.4s; }
.hero .subtitle { animation-delay: 0.6s; }
.section-title { animation-delay: 0.3s; }

/* 顺序加载研究领域卡片 */
.research-area:nth-child(1) { animation-delay: 0.4s; }
.research-area:nth-child(2) { animation-delay: 0.5s; }
.research-area:nth-child(3) { animation-delay: 0.6s; }

/* 顺序加载新闻项目 */
.news-item:nth-child(1) { animation-delay: 0.4s; }
.news-item:nth-child(2) { animation-delay: 0.5s; }
.news-item:nth-child(3) { animation-delay: 0.6s; }

/* 顺序加载论文项目 */
.publication:nth-child(1) { animation-delay: 0.5s; }
.publication:nth-child(2) { animation-delay: 0.6s; }

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', '微软雅黑', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    /* 添加顶部间距，避免被固定导航栏遮挡 */
    padding-top: 0;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent-color);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

section {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: var(--accent-color);
    position: relative;
}

.section-title::after {
    content: '';
    width: 80px;
    height: 3px;
    background-color: var(--secondary-color);
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--primary-color);
    color: var(--light-text);
    border-radius: 30px; /* 圆角按钮 */
    text-transform: uppercase;
    font-weight: 500;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

/* 按钮悬浮效果 */
.btn:hover {
    background-color: var(--accent-color);
    color: var(--light-text);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* 添加闪光效果 */
.btn::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: all 0.5s ease;
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.center {
    text-align: center;
    margin-top: 30px;
}

/* 页头样式优化 */
header {
    background-color: rgba(255, 255, 255, 0.92);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    position: fixed; /* 改为固定位置 */
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 10px 0;
    transition: all 0.3s ease;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(83, 109, 254, 0.1);
}

header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    padding: 8px 0;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo {
    display: flex;
    align-items: center;
    position: relative;
    z-index: 10;
    transition: all 0.3s ease;
}

.logo img {
    width: 50px;
    margin-right: 15px;
    filter: drop-shadow(0 0 5px rgba(83, 109, 254, 0.3));
    transition: all 0.4s ease;
}

.logo:hover img {
    transform: rotate(15deg) scale(1.1);
    filter: drop-shadow(0 0 10px rgba(83, 109, 254, 0.7));
}

.logo h1 {
    font-size: 1.8rem;
    color: var(--primary-color);
    font-weight: 600;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    font-family: "Times New Roman", Times, serif;
}

.logo:hover h1 {
    text-shadow: 0 0 10px rgba(83, 109, 254, 0.4);
    letter-spacing: 1.5px;
}

.logo h1::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), #8A2BE2);
    transition: width 0.4s ease;
}

.logo:hover h1::after {
    width: 100%;
}

/* 添加Logo特效补充类 */
.logo-tech-effect {
    position: absolute;
    top: 50%;
    left: 25px;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.logo:hover .logo-tech-effect {
    opacity: 1;
}

/* 暗模式下的Logo样式调整 */
@media (prefers-color-scheme: dark) {
    .logo img {
        filter: drop-shadow(0 0 5px rgba(138, 43, 226, 0.3));
    }
    
    .logo:hover img {
        filter: drop-shadow(0 0 10px rgba(138, 43, 226, 0.7));
    }
    
    .logo h1::after {
        background: linear-gradient(90deg, #8A2BE2, var(--primary-color));
    }
}

/* 优化导航菜单样式 */
nav ul {
    display: flex;
    margin: 0;
    padding: 0;
    align-items: center;
    justify-content: center;
}

nav ul li {
    margin-left: 5px;
    list-style: none;
    position: relative;
}

nav ul li a {
    color: var(--text-color);
    font-weight: 500;
    padding: 8px 15px;
    position: relative;
    transition: all 0.3s ease;
    display: inline-block;
    font-size: 0.95rem;
    border-radius: 4px;
    text-decoration: none;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
    opacity: 0;
}

nav ul li a:hover {
    color: var(--primary-color);
    background-color: rgba(83, 109, 254, 0.05);
}

nav ul li a:hover::after,
nav ul li a.active::after {
    width: 70%;
    opacity: 1;
}

nav ul li a.active {
    color: var(--primary-color);
    background-color: rgba(83, 109, 254, 0.08);
    font-weight: 600;
}

/* 更改移动端菜单按钮样式 */
.menu-toggle {
    display: none;
    font-size: 1.3rem;
    cursor: pointer;
    color: var(--primary-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    transition: all 0.3s ease;
    background-color: rgba(83, 109, 254, 0.1);
    margin-left: 15px;
}

.menu-toggle:hover {
    background-color: rgba(83, 109, 254, 0.2);
    transform: rotate(90deg);
}

/* 粒子背景样式 */
.particle-background {
    position: absolute;
    width: 100%;
    height: 100vh;
    top: 0;
    left: 0;
    z-index: -1;
    background: linear-gradient(135deg, var(--tech-dark), #141E30);
}

/* Three.js 3D背景容器 */
.three-background {
    position: absolute;
    width: 100%;
    height: 100vh;
    top: 0;
    left: 0;
    z-index: -2;
    opacity: 0.4;
}

/* 强化首页Hero样式 */
.hero-enhanced {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 0;
}

.hero-enhanced .hero-slide {
    width: 100%;
    opacity: 1;
}

.hero-enhanced .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 30px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    z-index: 2;
    position: relative;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    transition: all 0.3s ease;
}

.hero-content:hover {
    box-shadow: 0 8px 32px rgba(83, 109, 254, 0.2);
    transform: translateY(-5px);
}

.hero-enhanced h2 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: white;
    line-height: 1.2;
    position: relative;
    text-shadow: 0 0 10px rgba(83, 109, 254, 0.5);
}

.hero-enhanced h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple));
    border-radius: 2px;
}

.hero-enhanced .subtitle {
    font-size: 1.5rem;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.hero-enhanced .btn {
    padding: 12px 30px;
    font-weight: 600;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.hero-enhanced .btn.glow-effect {
    background: linear-gradient(45deg, var(--primary-color), var(--tech-highlight));
    border: none;
    color: white;
    box-shadow: 0 5px 20px rgba(93, 51, 246, 0.3);
}

.hero-enhanced .btn.glow-effect:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(93, 51, 246, 0.5);
}

.hero-enhanced .btn-outline {
    background: transparent;
    border: 2px solid white;
    color: white;
}

.hero-enhanced .btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

/* 视觉装饰元素 */
.hero-visual {
    position: relative;
    flex: 1;
    height: 400px;
    max-width: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tech-circle {
    position: absolute;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.1);
    animation: rotate 20s linear infinite;
}

.tech-circle:nth-child(1) {
    width: 300px;
    height: 300px;
    border-color: rgba(0, 165, 255, 0.2);
    animation-duration: 30s;
}

.tech-circle:nth-child(2) {
    width: 200px;
    height: 200px;
    border-color: rgba(138, 43, 226, 0.2);
    animation-direction: reverse;
    animation-duration: 20s;
}

.tech-circle:nth-child(3) {
    width: 100px;
    height: 100px;
    border-color: rgba(255, 255, 255, 0.3);
    animation-duration: 15s;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* 打字机光标样式 */
.Typewriter__cursor {
    font-weight: 700;
    color: var(--neon-blue);
}

/* 特殊闪光动画 */
@keyframes glow {
    0% { box-shadow: 0 0 5px var(--tech-glow); }
    50% { box-shadow: 0 0 20px var(--tech-glow), 0 0 30px var(--tech-glow); }
    100% { box-shadow: 0 0 5px var(--tech-glow); }
}

.tech-line {
    position: absolute;
    width: 150px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-blue), transparent);
    animation: glow 3s ease-in-out infinite;
}

/* 研究领域样式优化 */
.research-area {
    flex: 1;
    min-width: 300px;
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

/* 玻璃拟态效果 */
.glass-effect {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.research-area::before {
    content: '';
    position: absolute;
    top: -10px;
    right: -10px;
    width: 30px;
    height: 30px;
    background: var(--secondary-color);
    opacity: 0.2;
    border-radius: 50%;
    z-index: -1;
    transition: transform 0.5s ease;
}

.research-area:hover::before {
    transform: scale(10);
}

.research-area:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: 0 15px 30px rgba(83, 109, 254, 0.2);
    z-index: 2;
}

.research-area .icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    transition: transform 0.3s ease;
}

.research-area:hover .icon {
    transform: scale(1.1);
}

.research-area h3 {
    margin-bottom: 15px;
    color: var(--accent-color);
    transition: color 0.3s ease;
}

.research-area:hover h3 {
    color: var(--primary-color);
}

.research-area p {
    color: #666;
    margin-bottom: 20px;
}

/* 研究领域卡片悬浮按钮 */
.research-area-hover {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.research-area:hover .research-area-hover {
    opacity: 1;
    transform: translateY(0);
}

.btn-small {
    padding: 8px 20px;
    font-size: 0.9rem;
    border-radius: 20px;
}

/* 科技装饰 */
.tech-decoration {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 1;
}

/* 最新动态样式优化 */
.news-item {
    padding: 20px;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 8px;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.news-content {
    padding: 24px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.date {
    color: var(--accent-color);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.news-content h3 {
    font-size: 18px;
    margin-bottom: 15px;
    line-height: 1.4;
    max-height: 2.8em;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.news-summary, .news-item p {
    margin-bottom: 18px;
    color: var(--text-color);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2; /* 减少显示行数，从3行改为2行 */
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex-grow: 1;
    opacity: 0.85;
}

.news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    margin-top: 10px;
    border-top: 1px solid rgba(0,0,0,0.05);
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.news-item .date {
    font-size: 0.9rem;
    color: #888;
    margin-bottom: 12px;
}

.news-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--accent-color);
    line-height: 1.4;
    max-height: 2.8em;
    overflow: hidden;
}

.news-item p {
    margin-bottom: 15px;
    line-height: 1.6;
    color: #555;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 移除重复的read-more样式，保留完整版本 */
.read-more {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    font-weight: 500;
    text-decoration: none;
    position: relative;
    padding-bottom: 2px;
    margin-top: auto;
    align-self: flex-start;
    transition: color 0.3s ease;
}

.read-more::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.read-more:hover::after {
    width: 100%;
}

.read-more i {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.read-more:hover {
    color: var(--accent-color);
}

.read-more:hover i {
    transform: translateX(5px);
}

/* 添加复制邮件地址功能的样式 */
.copy-email {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    margin-left: 5px;
    padding: 2px 5px;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.copy-email:hover {
    background-color: rgba(83, 109, 254, 0.1);
}

/* 玻璃拟态卡片 */
.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* 科技感按钮 */
.tech-btn {
    background: rgba(83, 109, 254, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    color: var(--primary-color);
    font-weight: 500;
}

.tech-btn:hover {
    background: rgba(83, 109, 254, 0.3);
    transform: translateY(-3px);
}

/* 科技感装饰线条 */
.tech-line {
    position: absolute;
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), transparent);
    opacity: 0.7;
}

/* 团队成员卡片增强 */
.member-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.member-card:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: 0 15px 30px rgba(83, 109, 254, 0.2);
    z-index: 2;
}

.member-info h4 {
    transition: color 0.3s ease;
}

.member-card:hover .member-info h4 {
    color: var(--primary-color);
}

/* 成员邮箱样式 */
.member-email {
    display: flex;
    align-items: center;
    margin-top: 5px;
}

/* 为成果与论文页添加hover效果 */
.publication {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.publication:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* 研究成果样式 */
.publications-list {
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px var(--shadow-color);
}

.publication {
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}

.publication:last-child {
    border-bottom: none;
}

.publication h3 {
    color: var(--accent-color);
    margin-bottom: 10px;
}

.publication .authors {
    margin-bottom: 5px;
    color: #555;
}

.publication .journal {
    font-style: italic;
    color: #777;
    margin-bottom: 10px;
}

.publication .links a {
    display: inline-block;
    margin-right: 15px;
    font-weight: 500;
}

.publication .links a:last-child {
    margin-right: 0;
}

/* 页脚样式 */
footer {
    position: relative;
    background-color: var(--footer-color);
    color: var(--light-text);
    padding-top: 120px; /* 增加顶部内边距为波浪腾出空间 */
    padding-bottom: 40px;
    overflow: hidden;
}

/* 页脚波浪样式更新 */
.footer-wave-container {
    position: absolute;
    width: 100%;
    top: 0;
    left: 0;
    height: 120px;
    overflow: hidden;
    pointer-events: none;
}

.footer-wave {
    width: 100%;
    height: 100%;
    position: absolute;
    bottom: 0;
}

.wave-path {
    transform-origin: center;
    transform-box: fill-box;
    transform-style: preserve-3d;
    will-change: d; /* 优化性能 */
}

.wave-path-1 {
    filter: drop-shadow(0 0 8px rgba(83, 109, 254, 0.3));
}

.wave-path-2 {
    filter: drop-shadow(0 0 6px rgba(179, 157, 219, 0.2));
}

.wave-path-3 {
    filter: drop-shadow(0 0 4px rgba(69, 39, 160, 0.1));
}

.footer-content {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 30px;
    z-index: 2;
}

.footer-logo {
    flex: 1;
    min-width: 200px;
    margin-bottom: 30px;
}

.footer-logo img {
    width: 60px;
    margin-bottom: 15px;
}

.footer-logo h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.footer-contact {
    flex: 1;
    min-width: 200px;
    margin-bottom: 30px;
}

.footer-contact h4,
.footer-links h4 {
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.footer-contact h4::after,
.footer-links h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--secondary-color);
}

.footer-contact p {
    margin-bottom: 10px;
}

.footer-contact i {
    margin-right: 10px;
    color: var(--secondary-color);
}

.footer-links {
    flex: 1;
    min-width: 200px;
    margin-bottom: 30px;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: var(--light-text);
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-links ul li a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
    header {
        padding: 10px 0;
    }
    
    .logo img {
        width: 35px;
    }
    
    .logo h1 {
        font-size: 1.4rem;
    }
    
    .menu-toggle {
        display: block;
    }
    
    nav {
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: rgba(255, 255, 255, 0.98);
        height: 0;
        overflow: hidden;
        transition: height 0.3s ease;
        z-index: 100;
        backdrop-filter: blur(10px);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        border-top: 1px solid rgba(83, 109, 254, 0.1);
    }
    
    nav.active {
        height: auto;
        padding: 15px 0;
    }
    
    nav ul {
        flex-direction: column;
        width: 100%;
    }
    
    nav ul li {
        margin: 6px 0;
        width: 100%;
        text-align: center;
    }
    
    nav ul li a {
        display: block;
        padding: 10px 20px;
        width: 80%;
        margin: 0 auto;
        border-radius: 30px;
    }
    
    /* 以下是其他媒体查询内容 */
    .hero-enhanced {
        padding-top: 80px;
        min-height: 600px;
    }
    
    .hero-enhanced .container {
        flex-direction: column;
        padding: 0 20px;
    }
    
    .hero-content {
        max-width: 100%;
        margin-bottom: 40px;
        text-align: center;
        padding: 25px 15px;
        background: rgba(255, 255, 255, 0.2);
    }
    
    /* 移动端的向下滚动按钮样式 */
    .scroll-down-container {
        margin-top: 20px;
    }
    
    .scroll-down-btn span {
        font-size: 12px;
    }
    
    .scroll-down-btn i {
        font-size: 18px;
        height: 36px;
        width: 36px;
        line-height: 36px;
    }
    
    .hero-enhanced h2 {
        font-size: 2.5rem;
    }
    
    .hero-enhanced h2::after {
        width: 80px;
        bottom: -10px;
    }
    
    .hero-enhanced .subtitle {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-visual {
        display: none;
    }
    
    .research-areas {
        grid-template-columns: 1fr;
    }
    
    .tech-decoration {
        display: none;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    /* 修复新闻卡片在平板上的样式 */
    .news-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 20px;
    }
    
    .news-item {
        padding: 15px;
    }
    
    .news-content {
        padding: 20px;
    }
    
    /* 修复页脚在平板上的布局 */
    .footer-content {
        flex-direction: column;
    }
    
    .footer-logo, .footer-contact, .footer-links {
        width: 100%;
        text-align: center;
        margin-bottom: 25px;
    }
    
    .footer-contact h4::after, .footer-links h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    /* 优化研究领域卡片在平板上的显示 */
    .research-area {
        min-width: auto;
        margin-bottom: 20px;
    }
}

/* 添加中等尺寸平板的媒体查询 */
@media screen and (min-width: 481px) and (max-width: 768px) {
    .container {
        width: 95%;
    }
    
    /* 平板上的特殊对齐调整 */
    .about-content, .collaborations-content {
        flex-direction: column;
    }
    
    .about-image, .collaborations-map {
        order: -1;
        margin-bottom: 30px;
    }
    
    /* 平板上的卡片布局优化 */
    .news-card, .research-area, .publication {
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
}

@media screen and (max-width: 480px) {
    .container {
        width: 100%;
        padding: 0 10px;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .hero-enhanced h2 {
        font-size: 1.8rem;
    }
    
    .hero-enhanced .subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .btn {
        padding: 10px 25px;
    }
    
    /* 优化手机上的新闻卡片样式 */
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .news-card {
        max-width: 100%;
    }
    
    .news-item {
        padding: 10px;
    }
    
    .news-content {
        padding: 15px;
    }
    
    .news-content h3 {
        font-size: 16px;
    }
    
    .news-item p, .news-summary {
        font-size: 14px;
        line-height: 1.5;
        -webkit-line-clamp: 2;
    }
    
    .date {
        font-size: 12px;
    }
    
    /* 优化手机上的团队成员卡片 */
    .members-grid {
        grid-template-columns: 1fr;
    }
    
    .member-card {
        max-width: 100%;
    }
    
    /* 优化手机上的研究领域显示 */
    .research-area {
        padding: 20px 15px;
    }
    
    .research-area .icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .research-area h3 {
        font-size: 18px;
    }
    
    .research-area p {
        font-size: 14px;
    }
}

/* 特别针对较小的手机屏幕 */
@media screen and (max-width: 320px) {
    body {
        font-size: 14px;
    }
    
    .hero-enhanced h2 {
        font-size: 1.6rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .news-content h3 {
        font-size: 15px;
    }
    
    .btn {
        padding: 8px 20px;
        font-size: 14px;
    }
}

/* 添加针对大屏幕的优化 */
@media screen and (min-width: 1600px) {
    .container {
        max-width: 1400px;
    }
    
    body {
        font-size: 18px;
    }
    
    .hero-enhanced {
        min-height: 800px;
    }
    
    .hero-enhanced h2 {
        font-size: 4rem;
    }
    
    .hero-enhanced .subtitle {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 3rem;
    }
}

/* 修复CSS语法错误并优化滚动按钮媒体查询 */
@media screen and (max-width: 768px) {
    .scroll-down-container {
        margin-top: 20px;
    }
    
    .scroll-down-btn span {
        font-size: 12px;
    }
    
    .scroll-down-btn i {
        font-size: 18px;
        height: 36px;
        width: 36px;
        line-height: 36px;
    }
}

/* 消除重复的@keyframes，保留一个正确的版本 */
@keyframes pulseDown {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(10px);
    }
    100% {
        transform: translateY(0);
    }
}

/* 页面头部样式增强 - 为非首页页面添加交互效果 */
.page-header {
    position: relative;
    background: linear-gradient(135deg, rgba(67, 67, 156, 0.9), rgba(80, 123, 196, 0.9)), url('../images/header-bg.jpg');
    background-size: cover;
    background-position: center;
    color: var(--light-text);
    text-align: center;
    padding: 120px 0 80px; /* 增加顶部内边距，使内容往下移 */
    overflow: hidden;
    z-index: 1;
    transition: all 0.5s ease;
}

/* 添加浮动粒子效果 */
.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0) 20%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0) 15%),
        radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0) 10%);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.page-header:hover::before {
    opacity: 1;
}

/* 增加可交互的装饰元素 */
.page-header::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--hover-color), transparent);
    transition: width 0.5s ease;
}

.page-header:hover::after {
    width: 80%;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    position: relative;
    transition: transform 0.5s ease, text-shadow 0.5s ease;
    left: 50%; /* 水平居中 */
    transform: translateX(-50%); /* 水平居中补偿 */
}

.page-header:hover h1 {
    transform: translate(-50%, -5px); /* 保持水平居中并向上移动 */
    text-shadow: 0 0 15px var(--hover-glow);
}

.page-header p {
    font-size: 1.3rem;
    opacity: 0.9;
    position: relative;
    transition: all 0.5s ease;
    left: 50%; /* 水平居中 */
    transform: translateX(-50%); /* 水平居中补偿 */
}

.page-header:hover p {
    opacity: 1;
    transform: translate(-50%, -3px); /* 保持水平居中并向上移动 */
}

/* 添加悬浮动态元素 */
.page-header-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.page-header-particle {
    position: absolute;
    width: 6px;
    height: 6px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: floating 15s infinite linear;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.page-header:hover .page-header-particle {
    opacity: 1;
}

.page-header-particle:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-duration: 20s;
    animation-delay: 0s;
}

.page-header-particle:nth-child(2) {
    top: 40%;
    left: 85%;
    animation-duration: 25s;
    animation-delay: 2s;
}

.page-header-particle:nth-child(3) {
    top: 70%;
    left: 40%;
    animation-duration: 18s;
    animation-delay: 1s;
}

.page-header-particle:nth-child(4) {
    top: 15%;
    left: 60%;
    animation-duration: 22s;
    animation-delay: 3s;
}

.page-header-particle:nth-child(5) {
    top: 60%;
    left: 15%;
    animation-duration: 24s;
    animation-delay: 2.5s;
}

@keyframes floating {
    0% {
        transform: translateY(0) translateX(0) scale(1);
    }
    25% {
        transform: translateY(-30px) translateX(20px) scale(1.2);
    }
    50% {
        transform: translateY(10px) translateX(40px) scale(0.8);
    }
    75% {
        transform: translateY(20px) translateX(-30px) scale(1.1);
    }
    100% {
        transform: translateY(0) translateX(0) scale(1);
    }
}

/* 添加响应鼠标的光线效果 */
.light-beam {
    position: absolute;
    width: 200px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--hover-color), transparent);
    top: 50%;
    left: -200px;
    opacity: 0;
    transition: all 0.5s ease;
    transform: rotate(45deg);
    pointer-events: none;
}

.page-header:hover .light-beam {
    left: 120%;
    opacity: 0.6;
    transition: all 3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

/* 响应式调整 */
@media screen and (max-width: 768px) {
    .page-header {
        padding: 100px 0 60px; /* 调整移动端下的内边距 */
    }
    
    .page-header h1 {
        font-size: 2.5rem;
        /* 保持水平居中的样式 */
    }
    
    .page-header p {
        font-size: 1.1rem;
        /* 保持水平居中的样式 */
    }
    
    .light-beam {
        width: 100px;
    }
}

/* 为各个页面创建独特的颜色主题 */
/* 关于我们页面 */
.about-header {
    background: linear-gradient(135deg, rgba(67, 109, 156, 0.9), rgba(41, 80, 146, 0.9)), url('../images/header-bg.jpg');
}

.about-header:hover {
    background: linear-gradient(135deg, rgba(77, 119, 166, 0.9), rgba(51, 90, 156, 0.9)), url('../images/header-bg.jpg');
}

/* 研究方向页面 */
.research-header {
    background: linear-gradient(135deg, rgba(80, 67, 156, 0.9), rgba(123, 80, 196, 0.9)), url('../images/header-bg.jpg');
}

.research-header:hover {
    background: linear-gradient(135deg, rgba(90, 77, 166, 0.9), rgba(133, 90, 206, 0.9)), url('../images/header-bg.jpg');
}

/* 成果与论文页面 */
.publications-header {
    background: linear-gradient(135deg, rgba(156, 67, 98, 0.9), rgba(196, 80, 123, 0.9)), url('../images/header-bg.jpg');
}

.publications-header:hover {
    background: linear-gradient(135deg, rgba(166, 77, 108, 0.9), rgba(206, 90, 133, 0.9)), url('../images/header-bg.jpg');
}

/* 团队成员页面 */
.team-header {
    background: linear-gradient(135deg, rgba(120, 60, 180, 0.9), rgba(120, 60, 180, 0.9)), url('../images/header-bg.jpg');
}

.team-header:hover {
    background: linear-gradient(135deg, rgba(120, 60, 180, 0.9), rgba(120, 60, 180, 0.9)), url('../images/header-bg.jpg');
}

/* 新闻动态页面 */
.news-header {
    background: linear-gradient(135deg, rgba(156, 130, 67, 0.9), rgba(196, 170, 80, 0.9)), url('../images/header-bg.jpg');
}

.news-header:hover {
    background: linear-gradient(135deg, rgba(166, 140, 77, 0.9), rgba(206, 180, 90, 0.9)), url('../images/header-bg.jpg');
}

/* 关于我们页面样式 */
.about-intro {
    padding: 80px 0;
    background-color: white;
}

.about-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 40px;
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-text h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    color: var(--accent-color);
}

.about-text p {
    margin-bottom: 15px;
    line-height: 1.8;
}

.about-image {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.about-image img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px var(--shadow-color);
}

/* 使命愿景样式 */
.mission-vision {
    padding: 70px 0;
    background-color: var(--background-color);
    text-align: center;
}

.mission-vision .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
}

.mission, .vision, .values {
    flex: 1;
    min-width: 250px;
    padding: 30px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 20px var(--shadow-color);
    transition: transform 0.3s ease;
}

.mission:hover, .vision:hover, .values:hover {
    transform: translateY(-10px);
}

.mission-vision .icon {
    width: 70px;
    height: 70px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
}

.mission-vision h2 {
    margin-bottom: 15px;
    color: var(--accent-color);
}

/* 时间线样式 */
.history-timeline {
    padding: 80px 0;
    background-color: white;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 3px;
    background-color: var(--secondary-color);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    display: flex;
    justify-content: flex-start;
    width: 100%;
}

.timeline-item:nth-child(even) {
    justify-content: flex-end;
}

.timeline-item .date {
    position: absolute;
    top: 0;
    left: 50%;
    width: 120px;
    background-color: var(--primary-color);
    color: white;
    padding: 10px 0;
    text-align: center;
    border-radius: 5px;
    transform: translateX(-50%);
    font-weight: bold;
    z-index: 2;
}

.timeline-item .content {
    width: 45%;
    padding: 30px;
    background-color: var(--background-color);
    border-radius: 8px;
    margin-top: 50px;
    box-shadow: 0 5px 15px var(--shadow-color);
}

.timeline-item .content h3 {
    margin-bottom: 10px;
    color: var(--accent-color);
}

/* 实验设施样式 */
.facilities {
    padding: 80px 0;
    background-color: var(--background-color);
}

.facilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.facility {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: transform 0.3s ease;
}

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

.facility img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.facility h3 {
    padding: 20px 20px 10px;
    color: var(--accent-color);
}

.facility p {
    padding: 0 20px 20px;
    color: #666;
}

/* 合作伙伴样式 */
.collaborators {
    padding: 70px 0;
    background-color: white;
}

.collaborators-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 40px;
}

.logo-item {
    flex: 0 0 calc(16.666% - 40px);
    min-width: 120px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    background-color: var(--background-color);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.logo-item:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 15px var(--shadow-color);
}

.logo-item img {
    max-width: 100%;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s ease;
}

.logo-item:hover img {
    filter: grayscale(0);
    opacity: 1;
}

/* 响应式适配 */
@media screen and (max-width: 768px) {
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        justify-content: flex-end !important;
    }
    
    .timeline-item .date {
        left: 30px;
        transform: translateX(-50%);
        width: 100px;
    }
    
    .timeline-item .content {
        width: calc(100% - 80px);
    }

    .logo-item {
        flex: 0 0 calc(33.333% - 40px);
    }
}

@media screen and (max-width: 480px) {
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .about-text h2 {
        font-size: 1.8rem;
    }
    
    .logo-item {
        flex: 0 0 calc(50% - 40px);
    }
}

/* 研究方向页面样式 */
.research-intro {
    background-color: white;
    padding: 50px 0;
}

.intro-text {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.2rem;
    line-height: 1.8;
    color: #555;
}

.research-areas-detail {
    padding: 60px 0;
    background-color: var(--background-color);
}

.research-area-item {
    margin-bottom: 80px;
}

.research-area-item:last-child {
    margin-bottom: 0;
}

.research-area-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 50px;
    background-color: white;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 8px 30px var(--shadow-color);
}

.research-area-item.reverse .research-area-content {
    flex-direction: row-reverse;
}

.research-area-text {
    flex: 1;
    min-width: 300px;
}

.research-area-text h2 {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

.research-area-text h2 i {
    margin-right: 15px;
    color: var(--primary-color);
    font-size: 1.8rem;
}

.research-area-text > p {
    margin-bottom: 25px;
    font-size: 1.1rem;
    line-height: 1.7;
}

.research-area-image {
    flex: 1;
    min-width: 300px;
}

.research-area-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: transform 0.3s ease;
}

.research-area-image img:hover {
    transform: scale(1.02);
}

.research-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.research-point {
    background-color: var(--background-color);
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.research-point:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px var(--shadow-color);
}

.research-point h3 {
    color: var(--accent-color);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.research-point p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 重点研究项目样式 */
.research-projects {
    padding: 80px 0;
    background-color: white;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.project-card {
    background-color: var(--background-color);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: transform 0.3s ease;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
}

.project-card:hover {
    transform: translateY(-10px);
}

.project-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.project-card h3 {
    color: var(--accent-color);
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.project-card p {
    color: #555;
    margin-bottom: 25px;
    line-height: 1.6;
}

.project-footer {
    display: flex;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.project-period {
    font-weight: 500;
    color: var(--primary-color);
}

.project-funding {
    font-style: italic;
    color: #777;
}

/* 国际合作样式 */
.research-collaborations {
    padding: 80px 0;
    background-color: var(--background-color);
}

.collaborations-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 50px;
    margin-top: 40px;
}

.collaborations-text {
    flex: 1;
    min-width: 300px;
}

.collaborations-text > p {
    margin-bottom: 30px;
    line-height: 1.7;
    font-size: 1.1rem;
}

.collaboration-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.collaboration-highlight {
    background-color: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: transform 0.3s ease;
}

.collaboration-highlight:hover {
    transform: translateY(-5px);
}

.collaboration-highlight h3 {
    color: var(--accent-color);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.collaboration-highlight p {
    color: #666;
    line-height: 1.6;
}

.collaborations-map {
    flex: 1;
    min-width: 300px;
}

.collaborations-map img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px var(--shadow-color);
}

@media screen and (max-width: 768px) {
    .research-area-content,
    .research-area-item.reverse .research-area-content {
        flex-direction: column;
    }
    
    .research-area-text {
        order: 2;
    }
    
    .research-area-image {
        order: 1;
    }
    
    .research-points {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

/* 团队成员页面样式 */
.team-intro {
    background-color: white;
    padding: 50px 0;
}

/* 课题组负责人样式 */
.team-leader {
    padding: 70px 0;
    background-color: var(--background-color);
}

.leader-profile {
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
    background-color: white;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 8px 30px var(--shadow-color);
    margin-top: 40px;
}

.leader-photo {
    flex: 0 0 300px;
}

.leader-photo img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 5px 15px var(--shadow-color);
}

.leader-info {
    flex: 1;
    min-width: 300px;
}

.leader-info h3 {
    font-size: 2.2rem;
    color: var(--accent-color);
    margin-bottom: 5px;
}

.leader-title {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.leader-details {
    margin-bottom: 25px;
}

.leader-details p {
    margin-bottom: 15px;
    line-height: 1.7;
}

.leader-contacts {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 15px;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    padding: 8px 15px;
    background-color: var(--background-color);
    border-radius: 5px;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.contact-link i {
    margin-right: 8px;
}

.contact-link:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px var(--shadow-color);
}

/* 调整邮箱位置 */
.leader-info .member-email {
    justify-content: flex-start;
    margin-bottom: 10px;
    margin-top: 15px;
}

.leader-info .member-email a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.leader-info .member-email a:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

.leader-info .member-email .copy-email {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    padding: 0 5px;
    transition: color 0.3s ease;
}

.leader-info .member-email .copy-email:hover {
    color: var(--accent-color);
}

/* 团队成员样式 */
.team-members {
    padding: 80px 0;
    background-color: white;
}

.member-category {
    margin-bottom: 60px;
}

.member-category:last-child {
    margin-bottom: 0;
}

.category-title {
    font-size: 1.6rem;
    color: var(--accent-color);
    margin-bottom: 30px;
    padding-bottom: 10px;
    position: relative;
    display: inline-block;
}

.category-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 3px;
    background-color: var(--secondary-color);
}

.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 25px;
}

.member-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    text-align: center;
}

.member-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 20px rgba(83, 109, 254, 0.15);
}

.member-photo {
    width: 3.5cm; /* 更合理的宽度 */
    height: 4.5cm; /* 更合理的高度 */
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.member-card:hover .member-photo {
    transform: scale(1.03);
    box-shadow: 0 6px 12px rgba(83, 109, 254, 0.2);
}

.member-info {
    padding: 0;
    width: 100%;
}

.member-info h4 {
    color: var(--primary-color);
    margin: 0 0 5px 0;
    font-size: 18px;
    font-weight: 600;
    transition: color 0.3s ease;
}

.member-title {
    color: #666;
    margin: 0 0 10px 0;
    font-size: 14px;
    font-style: italic;
}

.member-research {
    color: #555;
    font-size: 13px;
    margin-bottom: 12px;
    line-height: 1.4;
}

.member-email {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 8px;
    font-size: 13px;
}

.member-email i {
    margin-right: 5px;
    color: var(--primary-color);
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
    .members-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 20px;
    }
    
    .member-photo {
        width: 3cm;
        height: 4cm;
    }
}

@media screen and (max-width: 480px) {
    .members-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 15px;
    }
    
    .member-photo {
        width: 2.5cm;
        height: 3.5cm;
    }
    
    .member-info h4 {
        font-size: 16px;
    }
    
    .member-title {
        font-size: 13px;
    }
}

/* 优秀校友样式 */
.alumni {
    padding: 80px 0;
    background-color: var(--background-color);
}

.alumni-list {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    margin-top: 40px;
}

.alumni-group {
    flex: 1;
    min-width: 300px;
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px var(--shadow-color);
}

.alumni-group h3 {
    font-size: 1.4rem;
    color: var(--accent-color);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.alumni-group ul {
    list-style: none;
}

.alumni-group ul li {
    margin-bottom: 15px;
    padding-left: 20px;
    position: relative;
    line-height: 1.5;
}

.alumni-group ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.alumni-name {
    font-weight: 600;
    color: #444;
}

/* 加入我们样式 */
.join-team {
    padding: 80px 0;
    background-color: white;
}

.join-content {
    margin-top: 40px;
}

.join-content > p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 40px;
    text-align: center;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.join-options {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}

.join-option {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    background-color: var(--background-color);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: transform 0.3s ease;
}

.join-option:hover {
    transform: translateY(-5px);
}

.join-option h3 {
    font-size: 1.3rem;
    color: var(--accent-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.join-option h3 i {
    margin-right: 10px;
    color: var(--primary-color);
}

.join-option p {
    color: #555;
    line-height: 1.6;
}

@media screen and (max-width: 768px) {
    .leader-profile {
        flex-direction: column;
    }
    
    .leader-photo {
        flex: 0 0 auto;
        max-width: 250px;
        margin: 0 auto;
    }
    
    .members-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media screen and (max-width: 480px) {
    .leader-info h3 {
        font-size: 1.8rem;
    }
    
    .members-grid {
        grid-template-columns: 1fr;
    }
    
    .member-card {
        max-width: 300px;
        margin: 0 auto;
    }
}

/* 成果与论文页面样式 */
.publications-intro {
    padding: 50px 0;
    background-color: white;
}

.stats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
    margin-top: 50px;
    text-align: center;
}

.stat-item {
    flex: 1;
    min-width: 150px;
    max-width: 200px;
    padding: 25px 15px;
    background-color: var(--background-color);
    border-radius: 10px;
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: transform 0.3s ease;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.1rem;
    color: var(--accent-color);
}

/* 论文筛选样式 */
.publications-filter {
    padding: 50px 0 30px;
    background-color: var(--background-color);
}

.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    margin: 30px 0;
}

.filter-tab {
    padding: 8px 20px;
    background-color: white;
    border: 2px solid transparent;
    border-radius: 30px;
    cursor: pointer;
    font-weight: 500;
    color: #555;
    transition: all 0.3s ease;
}

.filter-tab:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.filter-tab.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.search-box {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    margin-top: 30px;
}

.search-box input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-right: none;
    border-radius: 5px 0 0 5px;
    font-size: 1rem;
}

.search-box button {
    padding: 0 20px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0 5px 5px 0;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.search-box button:hover {
    background-color: var(--accent-color);
}

/* 论文列表样式 */
.publications-list-section {
    padding: 50px 0;
    background-color: white;
}

.publication-count {
    text-align: right;
    margin-bottom: 30px;
    color: #666;
    font-size: 0.9rem;
}

.publication-count #count-number {
    font-weight: 600;
    color: var(--primary-color);
}

.year-section {
    margin-bottom: 60px;
}

.year-section:last-child {
    margin-bottom: 30px;
}

.year-title {
    font-size: 1.8rem;
    color: var(--accent-color);
    margin-bottom: 25px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.publication-items {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.publication-item {
    background-color: var(--background-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: transform 0.3s ease;
    position: relative;
}

.publication-item:hover {
    transform: translateY(-5px);
}

.publication-highlight {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 5px 15px;
    background-color: var(--secondary-color);
    color: white;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    z-index: 1;
}

.publication-item.highlighted {
    border-left: 5px solid var(--secondary-color);
}

.publication-content {
    display: flex;
    padding: 25px;
}

.publication-thumbnail {
    flex: 0 0 180px;
    margin-right: 25px;
    display: none;
}

.publication-item.highlighted .publication-thumbnail {
    display: block;
}

.publication-thumbnail img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 5px;
}

.publication-info {
    flex: 1;
}

.publication-info h4 {
    font-size: 1.3rem;
    color: var(--accent-color);
    margin-bottom: 10px;
    line-height: 1.4;
}

.publication-info .authors {
    margin-bottom: 8px;
    color: #555;
}

.publication-info .authors strong {
    color: #333;
}

.publication-info .journal {
    font-style: italic;
    color: #666;
    margin-bottom: 15px;
}

.publication-info .abstract {
    color: #555;
    margin-bottom: 15px;
    line-height: 1.6;
    display: none;
}

.publication-item.highlighted .abstract {
    display: block;
}

.publication-metrics {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    color: #666;
    font-size: 0.9rem;
}

.publication-metrics .metric i {
    margin-right: 5px;
    color: var(--primary-color);
}

.publication-links {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.pub-link {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    background-color: white;
    border-radius: 5px;
    color: var(--primary-color);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.pub-link i {
    margin-right: 5px;
}

.pub-link:hover {
    background-color: var(--primary-color);
    color: white;
}

.load-more {
    text-align: center;
    margin-top: 40px;
}

/* 专利样式 */
.patents {
    padding: 80px 0;
    background-color: var(--background-color);
}

.patents-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    margin-top: 40px;
}

.patent-categories {
    flex: 2;
    min-width: 300px;
}

.patent-category {
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px var(--shadow-color);
}

.patent-category h3 {
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-bottom: 25px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
}

.patent-category h3 i {
    margin-right: 10px;
    color: var(--primary-color);
}

.patent-list {
    list-style: none;
}

.patent-list li {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.patent-list li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.patent-title {
    display: block;
    font-weight: 600;
    color: #444;
    margin-bottom: 8px;
    line-height: 1.5;
}

.patent-info {
    display: block;
    color: #666;
    font-size: 0.9rem;
}

.patents-chart {
    flex: 1;
    min-width: 300px;
}

.patents-chart h3 {
    font-size: 1.3rem;
    color: var(--accent-color);
    margin-bottom: 20px;
    text-align: center;
}

.chart-image {
    background-color: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 5px 15px var(--shadow-color);
}

.chart-image img {
    width: 100%;
    border-radius: 5px;
}

/* 奖项样式 */
.awards {
    padding: 80px 0;
    background-color: white;
}

.awards-timeline {
    max-width: 800px;
    margin: 40px auto 0;
    position: relative;
}

.awards-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 120px;
    width: 3px;
    background-color: var(--secondary-color);
}

.award-item {
    display: flex;
    margin-bottom: 50px;
    position: relative;
}

.award-item:last-child {
    margin-bottom: 0;
}

.award-year {
    width: 120px;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    text-align: right;
    padding-right: 30px;
}

.award-content {
    flex: 1;
    background-color: var(--background-color);
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 5px 15px var(--shadow-color);
    margin-left: 30px;
    position: relative;
}

.award-content::before {
    content: '';
    position: absolute;
    top: 20px;
    left: -40px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--primary-color);
    border: 5px solid white;
    box-shadow: 0 0 0 3px var(--secondary-color);
}

.award-content h3 {
    color: var(--accent-color);
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.award-content p {
    color: #555;
    line-height: 1.6;
    margin-bottom: 5px;
}

@media screen and (max-width: 768px) {
    .stats {
        gap: 20px;
    }
    
    .stat-item {
        min-width: 120px;
    }
    
    .publication-content {
        flex-direction: column;
    }
    
    .publication-thumbnail {
        margin-right: 0;
        margin-bottom: 20px;
    }
    
    .patents-wrapper {
        flex-direction: column;
    }
    
    .awards-timeline::before {
        left: 70px;
    }
    
    .award-year {
        width: 70px;
        font-size: 1.5rem;
        padding-right: 20px;
    }
    
    .award-content {
        margin-left: 20px;
    }
    
    .award-content::before {
        left: -30px;
    }
}

@media screen and (max-width: 480px) {
    .stat-item {
        max-width: 100%;
    }
    
    .filter-tabs {
        gap: 10px;
    }
    
    .filter-tab {
        padding: 6px 15px;
        font-size: 0.9rem;
    }
    
    .publication-item.highlighted .publication-thumbnail {
        display: none;
    }
    
    .awards-timeline::before {
        display: none;
    }
    
    .award-item {
        flex-direction: column;
    }
    
    .award-year {
        width: auto;
        text-align: left;
        padding-right: 0;
        margin-bottom: 10px;
    }
    
    .award-content {
        margin-left: 0;
    }
    
    .award-content::before {
        display: none;
    }
}

/* 新闻动态页面样式 */
.news-intro {
    padding: 50px 0;
    background-color: white;
}

.news-filter {
    padding: 30px 0;
    background-color: var(--background-color);
}

.news-list {
    padding: 50px 0;
    background-color: white;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

/* 优化新闻卡片整体结构 */
.news-card {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.4s ease;
    background: #fff;
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(83, 109, 254, 0.15);
}

.news-date {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: rgba(255, 255, 255, 0.9);
    padding: 8px 12px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    backdrop-filter: blur(5px);
    z-index: 5;
}

.news-date .day {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.news-date .month, .news-date .year {
    font-size: 0.8rem;
    color: #666;
    line-height: 1.2;
}

.news-image {
    height: 220px;
    overflow: hidden;
    position: relative;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-card:hover .news-image img {
    transform: scale(1.05);
}

.news-tag {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 6px 12px;
    border-radius: 30px;
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 5;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.news-tag.research {
    background: linear-gradient(135deg, #536DFE, #8A2BE2);
}

.news-tag.notice {
    background: linear-gradient(135deg, #FF5722, #FF9800);
}

.news-tag.awards {
    background: linear-gradient(135deg, #4CAF50, #8BC34A);
}

.news-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    border-top: none;
}

.news-content h3 {
    font-size: 18px;
    margin-bottom: 15px;
    line-height: 1.4;
    max-height: 2.8em;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    color: #333;
    transition: color 0.3s ease;
}

.news-card:hover .news-content h3 {
    color: var(--primary-color);
}

.news-summary {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex-grow: 1;
}

.news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    margin-top: auto;
    font-size: 0.9rem;
    color: #777;
    border-top: 1px solid rgba(0,0,0,0.06);
}

.news-meta i {
    margin-right: 5px;
    color: var(--primary-color);
}

.read-more {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    font-weight: 500;
    text-decoration: none;
    position: relative;
    padding: 8px 0;
    margin-top: 15px;
    align-self: flex-start;
    transition: all 0.3s ease;
}

.read-more::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.read-more:hover::after {
    width: 100%;
}

.read-more i {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.read-more:hover {
    color: var(--accent-color);
}

.read-more:hover i {
    transform: translateX(5px);
}

/* 响应式调整 */
@media screen and (max-width: 768px) {
    .news-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 25px;
    }
    
    .news-card {
        max-width: 450px;
        margin: 0 auto;
    }
    
    .news-image {
        height: 200px;
    }
}

@media screen and (max-width: 480px) {
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .news-date {
        padding: 6px 10px;
    }
    
    .news-date .day {
        font-size: 1.3rem;
    }
    
    .news-image {
        height: 180px;
    }
    
    .news-content {
        padding: 20px;
    }
    
    .news-content h3 {
        font-size: 1.1rem;
    }
}

/* Hero部分增强样式 */
.hero-parallax {
    position: relative;
    width: 100%;
    height: 100%;
    perspective: 1000px;
    transform-style: preserve-3d;
}

.hero-content {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 600px;
    margin-bottom: 30px;
    transform: translateZ(0);
    will-change: transform;
}

.hero-visual {
    position: absolute;
    top: 0;
    right: 10%;
    width: 300px;
    height: 300px;
    z-index: 5;
    will-change: transform;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 3;
    pointer-events: none;
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle at center, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0) 70%);
    filter: blur(1px);
    opacity: 0.6;
    will-change: transform;
}

.p1 {
    width: 100px;
    height: 100px;
    top: 20%;
    left: 10%;
    background-color: rgba(83, 109, 254, 0.3);
}

.p2 {
    width: 150px;
    height: 150px;
    bottom: 30%;
    right: 15%;
    background-color: rgba(138, 43, 226, 0.2);
}

.p3 {
    width: 80px;
    height: 80px;
    top: 60%;
    left: 30%;
    background-color: rgba(0, 165, 255, 0.3);
}

.p4 {
    width: 120px;
    height: 120px;
    top: 15%;
    right: 25%;
    background-color: rgba(93, 51, 246, 0.2);
}

.p5 {
    width: 60px;
    height: 60px;
    bottom: 20%;
    left: 20%;
    background-color: rgba(0, 188, 212, 0.3);
}

/* Zdog图标容器样式 */
.zdog-icon-container {
    display: inline-block;
    vertical-align: middle;
    position: relative;
    margin-right: 15px;
    transform: translateY(-5px);
}

.zdog-canvas {
    display: block;
    width: 100%;
    height: 100%;
}

/* 页头装饰元素样式 */
.header-decor-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 1;
}

.header-decor {
    position: absolute;
    transition: transform 0.3s ease, opacity 0.3s ease;
    will-change: transform, opacity;
} 

/* 增强新闻卡片动画效果 */
@keyframes cardEntrance {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.news-section .row > div {
    animation: cardEntrance 0.8s ease forwards;
    opacity: 0;
}

.news-section .row > div:nth-child(1) {
    animation-delay: 0.1s;
}

.news-section .row > div:nth-child(2) {
    animation-delay: 0.2s;
}

.news-section .row > div:nth-child(3) {
    animation-delay: 0.3s;
}

.news-section .row > div:nth-child(4) {
    animation-delay: 0.4s;
}

/* 添加焦点效果 */
.news-card:focus-within {
    box-shadow: 0 0 0 2px var(--primary-color);
    outline: none;
}

/* 改进新闻卡片加载状态 */
.news-card.loading {
    position: relative;
    min-height: 300px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loadingShimmer 1.5s infinite;
}

@keyframes loadingShimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* 向下滚动按钮样式 */
.scroll-down-container {
    margin-top: 40px;
    text-align: center;
    z-index: 5;
    position: relative;
}

.scroll-down-btn {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    animation: pulseDown 2s infinite;
}

.scroll-down-btn span {
    margin-bottom: 10px;
    font-size: 16px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    text-shadow: 0 0 10px rgba(83, 109, 254, 0.8);
}

.scroll-down-btn i {
    font-size: 24px;
    height: 50px;
    width: 50px;
    line-height: 50px;
    text-align: center;
    border-radius: 50%;
    background: rgba(83, 109, 254, 0.3);
    box-shadow: 0 0 20px rgba(83, 109, 254, 0.8), inset 0 0 10px rgba(255, 255, 255, 0.5);
    transition: all 0.3s ease;
}

.scroll-down-btn:hover {
    transform: translateY(5px);
}

.scroll-down-btn:hover i {
    background: rgba(83, 109, 254, 0.6);
    box-shadow: 0 0 30px rgba(83, 109, 254, 1), inset 0 0 15px rgba(255, 255, 255, 0.8);
}

@keyframes pulseDown {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(10px);
    }
    100% {
        transform: translateY(0);
    }
}

@media screen and (max-width: 768px) {
    /* ... existing code ... */
    
    .scroll-down-container {
        margin-top: 20px;
    }
    
    .scroll-down-btn span {
        font-size: 12px;
    }
    
    .scroll-down-btn i {
        font-size: 18px;
        height: 36px;
        width: 36px;
        line-height: 36px;
    }
}

@keyframes pulseDown {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(10px);
    }
    100% {
        transform: translateY(0);
    }
}

/* 添加特殊样式于页面结尾 */
.special-end-style {
    display: none;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: #555;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.pagination-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 3px 8px rgba(83, 109, 254, 0.2);
}

.pagination-btn:hover:not(.active) {
    background-color: var(--background-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* 新闻全文内容弹出样式 */
.news-full-content {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    width: 80%;
    max-width: 800px;
    max-height: 85vh;
    background: white;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    border-radius: 12px;
    padding: 30px;
    z-index: 1000;
    overflow-y: auto;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: auto; /* 确保弹出内容可以捕获鼠标事件 */
}

.news-full-content.active {
    display: block;
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
    pointer-events: auto; /* 确保激活状态下可以捕获鼠标事件 */
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translate(-50%, -40%) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

@keyframes fadeOutDown {
    from {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
    to {
        opacity: 0;
        transform: translate(-50%, -40%) scale(0.95);
    }
}

.news-full-content.fade-in {
    animation: fadeInUp 0.3s forwards;
}

.news-full-content.fade-out {
    animation: fadeOutDown 0.3s forwards;
}

.news-full-content h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
    padding-right: 30px;
}

.news-full-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: #777;
    border-bottom: 1px solid rgba(0,0,0,0.06);
    padding-bottom: 15px;
}

.news-full-meta i {
    color: var(--primary-color);
    margin-right: 5px;
}

.news-full-text {
    line-height: 1.8;
    color: #444;
}

.news-full-text p {
    margin-bottom: 15px;
}

.news-full-text ul, .news-full-text ol {
    margin-bottom: 15px;
    padding-left: 20px;
}

.news-full-text li {
    margin-bottom: 8px;
}

.close-full-content {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(0,0,0,0.05);
    padding: 5px 10px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.close-full-content:hover {
    background: rgba(0,0,0,0.1);
    color: var(--primary-color);
}

.external-link {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px dashed var(--primary-color);
    transition: all 0.3s ease;
}

.external-link:hover {
    color: var(--accent-color);
    border-bottom: 1px solid var(--accent-color);
}

.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: auto; /* 确保遮罩层可以捕获鼠标事件 */
}

.overlay.active {
    display: block;
    opacity: 1;
}

@media screen and (max-width: 768px) {
    .news-full-content {
        width: 90%;
        padding: 20px;
    }
    
    .news-full-meta {
        gap: 10px;
        flex-direction: column;
        align-items: flex-start;
    }
}

@media screen and (max-width: 480px) {
    .news-full-content {
        width: 95%;
        padding: 15px;
    }
    
    .news-full-content h3 {
        font-size: 1.3rem;
    }
    
    .close-full-content {
        top: 10px;
        right: 10px;
    }
}

/* 防止鼠标悬浮引起闪烁 */
.news-card:hover .news-full-content {
    transform: translate(-50%, -50%) scale(0.95);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

/* 研究成果样式优化 */
.publications-preview .publications-list {
    background-color: #f8f9ff;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 8px 24px rgba(83, 109, 254, 0.08);
    margin-bottom: 30px;
}

.publications-preview .publication {
    padding: 22px;
    margin-bottom: 15px;
    border-radius: 12px;
    background-color: white;
    border: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.publications-preview .publication:last-child {
    margin-bottom: 0;
}

.publications-preview .publication:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 24px rgba(83, 109, 254, 0.12);
}

.publications-preview .publication h3 {
    color: var(--primary-color);
    font-size: 18px;
    line-height: 1.4;
    margin-bottom: 12px;
    font-weight: 600;
}

.publications-preview .publication .authors {
    font-size: 14px;
    margin-bottom: 8px;
    color: #555;
    line-height: 1.5;
}

.publications-preview .publication .journal {
    font-style: italic;
    font-size: 14px;
    color: #777;
    margin-bottom: 15px;
    font-weight: 500;
}

.publications-preview .publication .links {
    display: flex;
    gap: 12px;
    margin-top: 15px;
}

.publications-preview .publication .pub-link {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    background-color: #f0f3ff;
    color: var(--primary-color);
    border-radius: 6px;
    font-weight: 500;
    font-size: 13px;
    transition: all 0.2s ease;
}

.publications-preview .publication .pub-link i {
    margin-right: 5px;
    font-size: 12px;
}

.publications-preview .publication .pub-link:hover {
    background-color: var(--primary-color);
    color: white;
}

.publications-preview .publication sup {
    font-size: 10px;
    font-weight: normal;
    position: relative;
    top: -4px;
    color: #666;
}

.publications-preview .publication sup:not(:empty) {
    margin-left: 1px;
    margin-right: 1px;
}

.publications-preview .publication sub {
    font-size: 70%;
    vertical-align: sub;
}

/* 研究成果响应式设计 */
@media screen and (max-width: 768px) {
    .publications-preview .publications-list {
        padding: 15px;
    }
    
    .publications-preview .publication {
        padding: 15px;
    }
    
    .publications-preview .publication h3 {
        font-size: 16px;
    }
    
    .publications-preview .publication .authors,
    .publications-preview .publication .journal {
        font-size: 13px;
    }
    
    .publications-preview .publication .links {
        flex-wrap: wrap;
    }
}

@media screen and (max-width: 480px) {
    .publications-preview .publication h3 {
        font-size: 15px;
    }
    
    .publications-preview .publication .authors,
    .publications-preview .publication .journal {
        font-size: 12px;
    }
    
    .publications-preview .publication .pub-link {
        padding: 5px 10px;
        font-size: 12px;
    }
}

/* 研究成果卡片加载动画 */
.publications-preview .publication {
    animation: fadeIn 0.8s ease-out forwards;
    opacity: 0;
}

.publications-preview .publication:nth-child(1) {
    animation-delay: 0.3s;
}

.publications-preview .publication:nth-child(2) {
    animation-delay: 0.5s;
}