body {
    font-family: Arial, sans-serif;
    background-color: #1a1a1a;
    color: #ffffff;
    line-height: 1.5;
    scroll-behavior: smooth;
    margin: 0;
    padding: 0;
}

/* 手机端提示窗口 */
.mobile-notice {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    text-align: center;
    padding: 20px;
}

.mobile-notice h2 {
    color: #ff6b6b;
    font-size: 24px;
    margin-bottom: 20px;
}

.mobile-notice p {
    font-size: 16px;
    margin-bottom: 30px;
    line-height: 1.5;
}

.mobile-notice .icon {
    font-size: 64px;
    margin-bottom: 20px;
}

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

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid #333;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #4CAF50;
}

.nav {
    display: flex;
    gap: 20px;
}

.nav a {
    color: #ffffff;
    text-decoration: none;
    font-size: 16px;
}

.nav a:hover {
    color: #4CAF50;
}

h1 {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 30px;
    color: #4CAF50;
}

.simulation-container {
    background-color: #222;
    padding: 30px;
    border-radius: 8px;
    margin-top: 20px;
}

.simulation-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.simulation-header h2 {
    color: #ff6b6b;
    margin: 0;
    font-size: 20px;
}

.move-buttons {
    display: flex;
    gap: 10px;
}

.move-buttons button {
    padding: 5px 10px;
    border: 1px solid #555;
    background-color: #333;
    color: white;
    border-radius: 4px;
    cursor: pointer;
}

.move-buttons button:hover {
    background-color: #444;
}

.volunteer-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.volunteer-table th,
.volunteer-table td {
    padding: 10px;
    border: 1px solid #444;
    text-align: center;
}

.volunteer-table th {
    background-color: #333;
    font-weight: bold;
}

.volunteer-table tr:nth-child(even) {
    background-color: #2a2a2a;
}

.volunteer-table tr:hover {
    background-color: #333;
}

.volunteer-table input {
    width: 90%;
    padding: 5px;
    background-color: #444;
    border: 1px solid #555;
    border-radius: 3px;
    color: white;
}

.volunteer-table select {
    width: 90%;
    padding: 5px;
    background-color: #444;
    border: 1px solid #555;
    border-radius: 3px;
    color: white;
}

.action-buttons {
    display: flex;
    gap: 5px;
    justify-content: center;
}

.action-buttons button {
    padding: 3px 8px;
    border: none;
    border-radius: 3px;
    font-size: 12px;
    cursor: pointer;
}

.delete-button {
    background-color: #ff4444;
    color: white;
}

.delete-button:hover {
    background-color: #cc0000;
}

.add-button {
    margin-top: 20px;
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.add-button:hover {
    background-color: #45a049;
}

.submit-button {
    margin-top: 30px;
    padding: 12px 24px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
}

.submit-button:hover {
    background-color: #45a049;
}

.back-link {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 20px;
    background-color: #666;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
}

.back-link:hover {
    background-color: #555;
}

.college-info {
    margin-top: 30px;
    padding: 20px;
    background-color: #2a2a2a;
    border-radius: 8px;
}

.college-info h3 {
    color: #4CAF50;
    margin-bottom: 15px;
}

.info-content {
    max-height: 300px;
    overflow-y: auto;
    padding: 10px;
    background-color: #333;
    border-radius: 4px;
}

.info-content p {
    margin: 5px 0;
}