:root {
    --uni-navy: #003366;
    --uni-burgundy: #800000;
    --bg-gray: #f4f4f4;
    --border-gray: #dddddd;
    --text-main: #333333;
}

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

body {
    font-family: Arial, Helvetica, sans-serif; 
    line-height: 1.6;
    color: var(--text-main);
    background-color: #e9ecef;
}

/* 顶部功能条 */
.utility-bar {
    background-color: #222;
    color: #fff;
    font-size: 0.8rem;
    padding: 5px 0;
}

.utility-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: flex-end;
    padding: 0 20px;
}

.utility-container a {
    color: #ccc;
    text-decoration: none;
    margin-left: 20px;
}

.utility-container a:hover {
    color: #fff;
    text-decoration: underline;
}


.main-header {
    background-color: #fff;
    padding: 30px 20px;
    border-bottom: 5px solid var(--uni-navy);
}

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

.logo-block h1 {
    font-family: Georgia, 'Times New Roman', Times, serif; /* 标题使用衬线体增加学术感 */
    color: var(--uni-navy);
    font-size: 2.2rem;
    font-weight: normal;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.logo-block p {
    color: #666;
    font-size: 0.9rem;
    font-family: Georgia, 'Times New Roman', serif;
    font-style: italic;
}


.main-nav {
    background-color: var(--uni-navy);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
}

.nav-container a {
    color: #fff;
    text-decoration: none;
    padding: 15px 25px;
    font-weight: bold;
    font-size: 0.9rem;
    border-right: 1px solid rgba(255,255,255,0.1);
}

.nav-container a:hover {
    background-color: var(--uni-burgundy);
}


.content-wrapper {
    max-width: 1200px;
    margin: 30px auto;
    display: grid;
    grid-template-columns: 2.5fr 1fr; /* 左侧主要内容，右侧侧边栏 */
    gap: 30px;
    padding: 0 20px;
}


.main-column {
    background: #fff;
    padding: 20px;
    border: 1px solid var(--border-gray);
}

.hero-article img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    margin-bottom: 20px;
    border: 1px solid #ccc;
}

.hero-article h2 {
    font-family: Georgia, 'Times New Roman', serif;
    color: var(--uni-navy);
    font-size: 2rem;
    margin-bottom: 10px;
}

.hero-article p {
    font-size: 1.1rem;
    margin-bottom: 15px;
}


.news-list {
    margin-top: 40px;
    border-top: 2px solid var(--uni-burgundy);
    padding-top: 20px;
}

.news-item {
    padding: 15px 0;
    border-bottom: 1px dashed var(--border-gray);
}

.news-item .date {
    color: #888;
    font-size: 0.85rem;
    margin-bottom: 5px;
}

.news-item h3 {
    font-size: 1.1rem;
    color: var(--uni-navy);
    margin-bottom: 5px;
}


.sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.widget {
    background: #fff;
    border: 1px solid var(--border-gray);
    border-top: 4px solid var(--uni-navy);
    padding: 20px;
}

.widget-burgundy {
    border-top-color: var(--uni-burgundy);
}

.widget h3 {
    font-family: Georgia, serif;
    font-size: 1.2rem;
    color: var(--uni-navy);
    margin-bottom: 15px;
    border-bottom: 1px solid var(--border-gray);
    padding-bottom: 5px;
}

.quick-links {
    list-style: none;
}

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

.quick-links a {
    color: var(--uni-navy);
    text-decoration: none;
    font-weight: bold;
    display: block;
    padding: 8px 10px;
    background-color: var(--bg-gray);
    border: 1px solid var(--border-gray);
}

.quick-links a:hover {
    background-color: var(--uni-navy);
    color: #fff;
}


.site-footer {
    background-color: #111;
    color: #ccc;
    padding: 40px 20px;
    margin-top: 50px;
    font-size: 0.9rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.footer-container h4 {
    color: #fff;
    margin-bottom: 15px;
    font-family: Georgia, serif;
}

@media (max-width: 768px) {
    .content-wrapper {
        grid-template-columns: 1fr;
    }
    .nav-container {
        flex-direction: column;
    }
}