/* 限定所有样式在 #kefu-container 内 */
#kefu-container {
    --kefu-primary-color: #8f0009;
    --kefu-accent-color: #D4AF37;
    --kefu-secondary-color: #34495E;
    --kefu-text-dark: #2C3E50;
    --kefu-light-bg: #F8F9FA;
    --kefu-success-color: #27AE60;
    font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif; /* 仅影响容器内部 */
}

/* 按钮样式 */
#kefu-container #kefu-chatbot-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--kefu-primary-color);
    border: 2px solid var(--kefu-accent-color);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    transition: 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

#kefu-container #kefu-chatbot-button::before {
    content: "💬";
    font-size: 28px;
    color: var(--kefu-accent-color);
}

/* 对话框样式 */
#kefu-container #kefu-chatbot-modal {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 500px;
    height: 660px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    display: none;
    flex-direction: column;
    z-index: 1000;
    border: 1px solid #EBECF0;
}

/* 消息气泡 */
#kefu-container .kefu-message-bot {
    background: white;
    padding: 14px 18px;
    border-radius: 8px;
    margin: 12px 0;
    max-width: 85%;
    float: left;
    clear: both;
    border: 1px solid #EBECF0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

#kefu-container .kefu-message-user {
    background: var(--kefu-primary-color);
    color: white;
    padding: 14px 18px;
    border-radius: 8px;
    margin: 12px 0;
    max-width: 85%;
    float: right;
    clear: both;
    border: 1px solid var(--kefu-accent-color);
}

/* 其他样式（完整保留原有规则，前缀添加 #kefu-container） */
#kefu-container .kefu-chatbot-header {
    padding: 18px 24px;
    background: var(--kefu-primary-color);
    border-radius: 8px 8px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
    border-bottom: 2px solid var(--kefu-accent-color);
}

#kefu-container #kefu-chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    background: var(--kefu-light-bg);
}

#kefu-container .kefu-quick-questions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin: 18px 0;
}

#kefu-container .kefu-campus-btn {
    background: white;
    border: 1px solid #DFE3E8;
    border-radius: 6px;
    padding: 10px;
    cursor: pointer;
    transition: 0.3s;
    font-size: 14px;
    color: var(--kefu-text-dark);
    text-align: left;
}

#kefu-container .kefu-campus-btn:hover {
    background: var(--kefu-primary-color);
    color: white;
    border-color: var(--kefu-primary-color);
}

/* 输入框和发送按钮 */
#kefu-container .kefu-input-area {
    padding: 18px 24px;
    border-top: 1px solid #EBECF0;
    background: white;
}

#kefu-container #kefu-user-input {
    width: 92%;
    padding: 12px 18px;
    border: 1px solid #DFE3E8;
    border-radius: 6px;
    margin: 12px 0;
    font-size: 14px;
}

#kefu-container #kefu-send-btn {
    background: var(--kefu-primary-color);
    color: white;
    border: none;
    padding: 10px 24px;
    border-radius: 6px;
    cursor: pointer;
    float: right;
    transition: 0.3s;
}