/* 基础设置 */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Helvetica", Roboto, Arial, sans-serif;
    line-height: 1.5;
    color: #000;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

/* 优化导航栏：让名字和链接更紧凑 */
.navbar {
    display: flex;
    align-items: baseline; /* 底部对齐 */
    padding: 30px 0 10px 0;
    max-width: 900px;
    margin: 0 auto;
}

.logo {
    font-size: 32px;
    font-weight: 500;
    color: #444;
    margin-right: 40px; /* 缩小这个值可以让导航链接离名字更近 */
}

.nav-links a {
    margin-right: 25px; /* 链接之间的间距 */
    text-decoration: none;
    color: #666;
    font-size: 19px;
}

.nav-links a:hover {
    color: #000;
}

/* 介绍区域布局 */
.intro-section {
    display: flex;
    gap: 40px;
    margin-top: 30px;
}

.intro-text {
    flex: 2;
    font-size: 16px;
}

.intro-image {
    flex: 1;
}

.intro-image img {
    width: 100%;
    max-width: 250px;
    border-radius: 4px; /* 略带圆角，比纯直角高级 */
}

/* 标题样式 */
h3 { margin-top: 30px; margin-bottom: 10px; }

.section-title {
    color: #4a7eba; /* 类似截图中的蓝色 */
    font-size: 22px;
}

hr {
    border: 0;
    border-top: 1px solid #eee;
    margin: 40px 0;
}

/* Research Interests 图文混排样式 */
.interest-item {
    display: flex;
    align-items: flex-start; /* 图片和文字顶部对齐 */
    gap: 30px;               /* 图片和文字之间的距离，不要设太大 */
    margin-bottom: 40px;     /* 每一项研究之间的间距 */
}

.interest-image {
    flex: 0 0 200px;         /* 固定图片区域宽度为200px */
}

.interest-image img {
    width: 100%;
    height: auto;
    display: block;
}

.interest-content {
    flex: 1;
}

.interest-content h3 {
    margin-top: 0;           /* 确保标题和图片顶部对齐 */
    color: #4a7eba;          /* 截图中的蓝色标题 */
    font-size: 20px;
    margin-bottom: 8px;
}

.interest-content p {
    margin: 0;
    font-size: 16px;
    text-align: justify;     /* 两端对齐，学术风标配 */
}


/* 筛选标签样式 */
.filter-tags {
    margin-bottom: 30px;
    line-height: 1.8;
}

.filter-item {
    margin-right: 15px;
    cursor: pointer;
    color: #4a7eba; /* 经典的学术蓝 */
    font-size: 15px;
}

.filter-item.active {
    font-weight: bold;
    color: #000;
}

.filter-item:hover {
    text-decoration: underline;
}

/* 论文条目布局 */
.pub-container {
    list-style: none;
    padding: 0;
}

.pub-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 25px;
    padding-bottom: 10px;
    transition: 0.3s;
}

/* 筛选隐藏逻辑 */
.pub-item.hide {
    display: none;
}

.pub-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.pub-title {
    font-weight: 500;
    font-size: 17px;
    color: #000;
}

.pub-authors {
    color: #666;
    font-size: 15px;
}

.pub-venue {
    color: #4a7eba;
    font-size: 15px;
}

.award {
    font-weight: bold;
    color: #333;
}

/* 右侧图标 */
.pub-icons {
    display: flex;
    gap: 15px;
    margin-left: 20px;
}

.pub-icons a {
    text-decoration: none;
    color: #4a7eba;
    font-size: 18px;
    opacity: 0.7;
}

.pub-icons a:hover {
    opacity: 1;
}