:root {
    --primary-color: #1a1a1a;
    --accent-color: #8b0000;
    --bg-color: #f5f5f5;
    --text-color: #333;
    --border-color: #ddd;
}

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

body {
    font-family: 'Georgia', 'Times New Roman', serif;
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--bg-color);
}

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

header {
    background: #fff;
    border-bottom: 3px solid var(--accent-color);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.header-banner {
    width: 100%;
    max-height: 300px;
    object-fit: cover;
}

.site-title {
    font-size: 2.5em;
    color: var(--primary-color);
    text-align: center;
    padding: 20px 0 10px;
    font-weight: bold;
}

nav {
    background: var(--primary-color);
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

nav li {
    margin: 0;
}

nav a {
    display: block;
    padding: 15px 25px;
    color: #fff;
    text-decoration: none;
    transition: background 0.3s;
}

nav a:hover,
nav a.active {
    background: var(--accent-color);
}

main {
    background: #fff;
    margin: 30px auto;
    padding: 40px;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
    border-radius: 5px;
}

h1 {
    color: var(--primary-color);
    border-bottom: 3px solid var(--accent-color);
    padding-bottom: 10px;
    margin-bottom: 30px;
}

h2 {
    color: var(--accent-color);
    margin-top: 30px;
    margin-bottom: 15px;
}

p {
    margin-bottom: 15px;
    text-align: justify;
}

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

.alignright {
    float: right;
    margin: 0 0 20px 20px;
}

.alignleft {
    float: left;
    margin: 0 20px 20px 0;
}

.event-list {
    margin-top: 30px;
}

.event-item {
    border: 1px solid var(--border-color);
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 5px;
    transition: box-shadow 0.3s;
}

.event-item:hover {
    box-shadow: 0 0 15px rgba(0,0,0,0.1);
}

.event-date {
    color: var(--accent-color);
    font-weight: bold;
    font-size: 0.9em;
    margin-bottom: 10px;
}

.event-title {
    font-size: 1.3em;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.event-content {
    margin-top: 15px;
}

.event-content img {
    max-width: 300px;
    margin: 10px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

table td, table th {
    border: 1px solid var(--border-color);
    padding: 10px;
    text-align: left;
}

table th {
    background: var(--primary-color);
    color: #fff;
}

footer {
    background: var(--primary-color);
    color: #fff;
    text-align: center;
    padding: 30px 20px;
    margin-top: 50px;
}

footer a {
    color: #fff;
}

.year-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
    justify-content: center;
}

.year-btn {
    padding: 10px 20px;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

.year-btn:hover,
.year-btn.active {
    background: var(--accent-color);
}

@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
    }
    
    nav a {
        text-align: center;
    }
    
    main {
        padding: 20px;
    }
    
    .site-title {
        font-size: 1.8em;
    }
    
    .alignright, .alignleft {
        float: none;
        margin: 0 auto 20px;
        display: block;
    }
}