:root {
    --primary-color: #008080;
    --gradient-start: #008080;
    --gradient-middle: #009B9B;
    --gradient-end: #00B3B3;
    --button-color: #009B9B;
    --background-color: #FFFFFF;
    --text-color: #2C3E50;
    --light-text: #5D6D7E;
    --nav-border-color: #7FC7AF;
    --link-color: #2D6A4F;
}

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

body {
    font-family: "Microsoft YaHei", "微软雅黑", -apple-system, system-ui, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

.navbar {
    background: linear-gradient(to right, #00587A, #00C995);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 0.8rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-name {
    color: white;
    font-size: 1.3rem;
    font-weight: 600;
    text-decoration: none;
    letter-spacing: 0.2px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.95);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    padding: 0.3rem 0.5rem;
    border-radius: 2px;
}

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

.nav-links a.active {
    background-color: rgba(255, 255, 255, 0.15);
    color: #ffffff;
}

.nav-links a::after {
    display: none;
}

.language-toggle {
    display: none;
}

.container {
    max-width: 1200px;
    margin: 3.8rem auto 0;
    padding: 1rem 2rem;
    min-height: calc(100vh - 3.8rem);
}

.home-content {
    display: grid;
    grid-template-columns: 1.2fr 2.8fr;
    gap: 4rem;
    align-items: start;
    padding: 2rem 2rem 0 0;
    margin-top: 1rem;
}

.photo-section {
    position: relative;
    padding-top: 1.5rem;
}

.profile-photo {
    width: 100%;
    max-width: 700px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.profile-photo:hover {
    transform: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.info-section {
    padding: 2rem 2rem 1rem;
}

.name {
    font-family: "Microsoft YaHei", "微软雅黑", -apple-system, system-ui, sans-serif;
    color: var(--gradient-start);
    margin-bottom: 0.3rem;
    font-weight: 500;
}

.title {
    color: var(--gradient-start);
    margin-bottom: 0.5rem;
}

.affiliation {
    color: var(--light-text);
    margin-bottom: 1.5rem;
}

.affiliation a {
    color: var(--text-color);
    text-decoration: none;
}

.affiliation a:hover {
    text-decoration: none;
    color: var(--text-color);
}

.introduction {
    margin-bottom: 2rem;
    line-height: 1.8;
    font-size: 1.1rem;
    color: var(--text-color);
}

.welcome-text {
    display: inline;
    font-size: 1.1rem;
    color: var(--text-color);
    font-weight: normal;
}

.buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.4rem;
    margin: 1.2rem 0;
}

.btn {
    width: 100%;
    text-align: center;
    background-color: var(--button-color);
    color: white;
    padding: 0.4rem 0.5rem;
    border: none;
    border-radius: 2px;
    cursor: pointer;
    white-space: nowrap;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    opacity: 0.95;
}

.btn:hover {
    opacity: 1;
}

.contact {
    margin-top: 2rem;
}

.email {
    color: var(--light-text);
}

.email-container {
    margin: 2rem 0;
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.email-text {
    color: var(--text-color);
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.email-text i {
    color: var(--button-color);
}

.affiliation a, .introduction a {
    color: inherit;
    text-decoration: none;
}

.affiliation a:hover, .introduction a:hover {
    color: inherit;
    text-decoration: none;
}

/* 统一的页面内容样式 */
.section-title {
    color: var(--text-color);
    font-size: 2rem;
    font-weight: 500;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
    width: fit-content;
}

.content-section {
    margin-bottom: 2.5rem;
}

.subsection-title {
    color: var(--text-color);
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.content-list {
    margin-left: 1.2rem;
}

.content-item {
    margin-bottom: 0.5rem;
    line-height: 1.5;
    position: relative;
    padding-left: 0.8rem;
}

.content-item::before {
    content: "•";
    position: absolute;
    left: -0.8rem;
    color: var(--primary-color);
}

/* 移除旧的研究页面样式 */
.research-content,
.papers,
.paper,
.publications,
.publication,
.publication-title,
.publication-authors,
.publication-venue {
    all: unset;
}

@media (max-width: 1200px) {
    .home-content {
        grid-template-columns: 1fr 2fr;
    }
    
    .buttons {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.3rem;
    }
}

@media (max-width: 768px) {
    .home-content {
        grid-template-columns: 1fr;
        padding: 1rem 0;
        gap: 2rem;
    }
    
    .buttons {
        grid-template-columns: 1fr;
        gap: 0.3rem;
    }

    .btn {
        padding: 0.4rem 0.5rem;
        font-size: 0.8rem;
    }

    .photo-section {
        text-align: center;
        padding-top: 0.5rem;
    }

    .profile-photo {
        max-width: 400px;
    }

    .info-section {
        padding: 0;
    }

    .nav-links {
        display: flex;
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links a {
        margin-right: 0;
    }
}