/* 活动列表样式 */
.event-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.event-card {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: box-shadow 0.3s ease;
}

.event-card:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.event-title {
    margin-top: 0;
    color: #2c3e50;
    font-size: 1.4em;
}

.event-meta {
    margin: 10px 0;
    color: #7f8c8d;
    font-size: 0.9em;
}

.event-meta span {
    display: block;
    margin-bottom: 5px;
}

.event-description {
    margin: 15px 0;
    line-height: 1.6;
}

.event-stats {
    margin: 15px 0;
    padding: 10px;
    background-color: #f8f9fa;
    border-radius: 4px;
    font-size: 0.9em;
}

.event-stats span {
    display: inline-block;
    margin-right: 15px;
}

.event-register {
    margin-top: 15px;
    text-align: center;
}

.event-register-btn {
    display: inline-block;
    padding: 8px 16px;
    background-color: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.event-register-btn:hover {
    background-color: #2980b9;
    color: white;
}

/* 报名表单样式 */
.event-registration-form {
    max-width: 600px;
    margin: 20px auto;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.event-form-title {
    margin-top: 0;
    color: #2c3e50;
}

.event-form-meta {
    margin: 15px 0;
    padding: 10px;
    background-color: #f8f9fa;
    border-radius: 4px;
}

.event-form-message {
    padding: 10px 15px;
    margin: 15px 0;
    border-radius: 4px;
}

.event-form-message.success {
    background-color: #dff0d8;
    color: #3c763d;
    border: 1px solid #d6e9c6;
}

.event-form-message.error {
    background-color: #f2dede;
    color: #a94442;
    border: 1px solid #ebccd1;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #34495e;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.form-submit {
    margin-top: 20px;
}

.form-submit input[type="submit"] {
    padding: 10px 20px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

.form-submit input[type="submit"]:hover {
    background-color: #2980b9;
}

.required {
    color: #e74c3c;
}