/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background-color: #f5f5f5;
    max-width: 480px;
    margin: 0 auto;
    color: #333;
}

a {
    text-decoration: none;
    color: inherit;
}

/* 顶部导航 */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    background-color: #fff;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
}

.back-btn {
    font-size: 18px;
    color: #333;
    cursor: pointer;
}

.header-title {
    font-size: 18px;
    font-weight: bold;
    flex: 1;
    text-align: center;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-right i {
    font-size: 16px;
    color: #666;
}

/* 投诉和客服按钮 */
.action-buttons {
    display: flex;
    justify-content: space-between;
    padding: 15px;
    background-color: #fff;
    margin-bottom: 10px;
}

.action-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 0;
    border-radius: 5px;
    font-size: 14px;
    color: #fff;
    font-weight: bold;
    cursor: pointer;
}

.action-btn i {
    margin-right: 5px;
}

.complaint-btn {
    background-color: #E94842;
    margin-right: 10px;
}

.contact-btn {
    background-color: #4CAF50;
}

/* 问题分类 */
.question-categories {
    display: flex;
    background-color: #fff;
    padding: 10px 15px;
    overflow-x: auto;
    margin-bottom: 10px;
    white-space: nowrap;
    border-bottom: 1px solid #eee;
}

.category {
    display: inline-block;
    padding: 6px 12px;
    margin-right: 10px;
    color: #666;
    font-size: 14px;
    border-radius: 15px;
    cursor: pointer;
}

.category.active {
    background-color: #E94842;
    color: #fff;
}

/* 常见问题标题 */
.section-title {
    display: flex;
    align-items: center;
    padding: 15px;
    background-color: #fff;
    margin-bottom: 1px;
    border-radius: 5px 5px 0 0;
}

.section-title i {
    color: #E94842;
    font-size: 18px;
    margin-right: 10px;
}

.section-title span {
    font-size: 16px;
    font-weight: bold;
}

/* 问题列表 */
.question-list {
    background-color: #fff;
    border-radius: 0 0 5px 5px;
    overflow: hidden;
    margin-bottom: 20px;
}

.question-item {
    border-bottom: 1px solid #f0f0f0;
}

.question-item:last-child {
    border-bottom: none;
}

.question-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    cursor: pointer;
}

.question-text {
    font-size: 15px;
    color: #333;
    padding-right: 20px;
    flex: 1;
}

.question-toggle i {
    transition: transform 0.3s ease;
    color: #999;
}

.question-header.active .question-toggle i {
    transform: rotate(90deg);
    color: #E94842;
}

.question-content {
    display: none;
    padding: 15px;
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    background-color: #f9f9f9;
}

.question-content.show {
    display: block;
}

.question-content p, .question-content ul {
    margin-bottom: 10px;
}

.question-content p:last-child {
    margin-bottom: 0;
}

.question-content ul {
    padding-left: 20px;
}

.question-content li {
    margin-bottom: 5px;
}

/* 特殊样式 */
.question-item[data-type="important"] .question-text {
    font-weight: bold;
}

/* 联系客服 */
.contact-service {
    display: flex;
    align-items: center;
    background: #fff;
    padding: 15px;
    margin-top: 15px;
    border-radius: 5px;
    cursor: pointer;
}

.contact-service i:first-child {
    color: #E94842;
    font-size: 20px;
    margin-right: 10px;
}

.contact-service span {
    flex: 1;
    font-size: 15px;
}

.contact-service i:last-child {
    color: #ccc;
}