body {
    font-family: Arial, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f5f5f5;
}
.container {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
h1 {
    text-align: center;
    color: #333;
}
.message-form {
    margin-bottom: 30px;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
    background-color: #f9f9f9;
}
.form-group {
    margin-bottom: 15px;
}
label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}
input, textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}
button {
    background-color: #007bff;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
button:hover {
    background-color: #0056b3;
}
.messages-list {
    margin-top: 30px;
}
.message {
    border: 1px solid #eee;
    border-radius: 5px;
    padding: 15px;
    margin-bottom: 15px;
    background-color: white;
}
.message-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 0.9em;
    color: #666;
}
.message-user-info {
    display: flex;
    flex-direction: column;
}
.message-username {
    font-weight: bold;
    color: #333;
    font-size: 1.1em;
}
.message-time {
    font-size: 0.85em;
    color: #999;
}
.message-content {
    margin-bottom: 10px;
    font-size: 1.1em;
}
.reply-form {
    margin-top: 15px;
    padding: 10px;
    background-color: #f0f8ff;
    border-radius: 4px;
    display: none;
}
.replies {
    margin-left: 30px;
    margin-top: 15px;
}
.reply {
    border-left: 2px solid #007bff;
    padding-left: 10px;
    margin-bottom: 10px;
}
.reply-button {
    background-color: #28a745;
    font-size: 0.8em;
    padding: 5px 10px;
}
/* 表情相关样式 */
.emoji-picker {
    display: none;
    position: absolute;
    background: white;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    width: 260px;
    flex-wrap: wrap;
}

.emoji-picker.show {
    display: flex;
}

.emoji-option {
    cursor: pointer;
    padding: 5px;
    font-size: 1.2em;
}

.emoji-option:hover {
    background-color: #f0f0f0;
}

.emoji-button {
    background: none;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1.2em;
    width: auto;
    padding: 2px 8px;
    margin-top: 5px;
}

.emoji-button:hover {
    background-color: #f0f0f0;
}

.input-container {
    position: relative;
}

/* 放大留言内容输入框字体 */
#content {
    font-size: 20px;
}

/* 放大回复内容输入框字体 */
.reply-content {
    font-size: 20px;
}

.message-content{
    font-size: 20px;
}

    /* 验证码样式优化 - 更小巧 */
.captcha-container {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 5px;
    padding: 8px 12px;
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 3px;
    font-size: 0.9em;
}

.captcha-question {
    font-weight: normal;
    font-size: 1.1em;
    color: #495057;
    min-width: 90px;
    text-align: center;
    background-color: #ffffff;
    padding: 5px 8px;
    border-radius: 3px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.captcha-answer {
    width: 80px;
    padding: 6px;
    font-size: 1em;
    border: 1px solid #ced4da;
    border-radius: 3px;
    text-align: center;
}

.captcha-answer:focus {
    border-color: #007bff;
    outline: none;
    box-shadow: 0 0 0 0.1rem rgba(0,123,255,0.25);
}

.refresh-captcha {
    padding: 5px 10px;
    background-color: #449eef;
    font-size: 0.8em;
    border: none;
    border-radius: 3px;
    color: white;
}

.refresh-captcha:hover {
    background-color: #0776c5;
}

.captcha-label {
    display: flex;
    align-items: center;
    font-weight: bold;
    color: #495057;
    font-size: 0.95em;
}

.captcha-icon {
    margin-right: 5px;
    font-size: 1em;
}

/* 响应式设计 */
@media (max-width: 600px) {
    .captcha-container {
        flex-direction: row;
        align-items: center;
        gap: 8px;
        padding: 6px 10px;
    }
    
    .captcha-question {
        min-width: 80px;
        padding: 4px 6px;
        font-size: 1em;
    }
    
    .captcha-answer {
        width: 70px;
        padding: 5px;
    }
}

/* 自定义提示框样式 - 居中显示 */
.notification-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease-in-out;
}

.notification-overlay.show {
    opacity: 1;
    pointer-events: auto;
}

.notification {
    padding: 20px 30px;
    border-radius: 8px;
    color: white;
    font-weight: bold;
    font-size: 1.1em;
    box-shadow: 0 6px 16px rgba(0,0,0,0.2);
    min-width: 300px;
    text-align: center;
    transform: translateY(-20px);
    transition: transform 0.3s ease-in-out;
}

.notification-overlay.show .notification {
    transform: translateY(0);
}

.notification.error {
    background-color: #dc3545;
}

.notification.success {
    background-color: #28a745;
}

.notification.info {
    background-color: #17a2b8;
}

.loading {
    text-align: center;
    padding: 20px;
    color: #666;
}
.no-more {
    text-align: center;
    padding: 20px;
    color: #999;
}

/* 删除按钮样式 */

.delete-button {
    background-color: transparent;
    color: #999;
    border: none;
    width: 20px;
    height: 20px;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border-radius: 50%;
    transition: all 0.2s;
}

.delete-button:hover {
    background-color: #c82333;
}

/* 管理员密码模态框 */
.modal {
    display: none;
    position: fixed;
    z-index: 10001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.4);
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    border-radius: 5px;
    width: 300px;
    text-align: center;
}

.modal-content input {
    width: 100%;
    padding: 8px;
    margin: 10px 0;
    box-sizing: border-box;
}

.modal-buttons {
    margin-top: 15px;
}

.modal-buttons button {
    margin: 0 5px;
}

.delete-admin-button {
    background-color: #dc3545;
    color: white;
    border: none;
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 0.7em;
    cursor: pointer;
    margin-left: 10px;
}

.cancel-admin-button {
    background-color: #6c757d;
}

.cancel-admin-button:hover {
    background-color: #5a6268;
}

.reply-form {
    margin-top: 15px;
    padding: 10px;
    background-color: #f0f8ff;
    border-radius: 4px;
    display: none;
}

.replies {
    margin-left: 30px;
    margin-top: 15px;
}

.reply {
    border-left: 2px solid #007bff;
    padding-left: 10px;
    margin-bottom: 10px;
}

.reply-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 5px;
    font-size: 0.85em;
    color: #666;
}

.reply-user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.reply-username {
    font-weight: bold;
    color: #333;
}

.reply-time {
    font-size: 0.8em;
    color: #999;
}