* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background-color: #fff;
    color: #333;
    font-size: 16px;
    line-height: 1.5;
}

.container {
    max-width: 750px;
    margin: 0 auto;
    min-height: 100vh;
    background: #fff;
}

/* 头部 */
.header {
    display: flex;
    align-items: center;
    padding: 15px;
    position: relative;
}

.close-btn {
    font-size: 24px;
    color: #333;
    text-decoration: none;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 页面标题 */
.page-title {
    padding: 10px 15px 20px;
    font-size: 14px;
    color: #999;
}

/* 投诉类型列表 */
.category-list {
    list-style: none;
}

.category-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 15px;
    border-bottom: 1px solid #f0f0f0;
    text-decoration: none;
    color: #333;
    transition: background-color 0.2s;
}

.category-item:active {
    background-color: #f5f5f5;
}

.category-name {
    font-size: 16px;
}

.category-arrow {
    color: #ccc;
    font-size: 14px;
}

/* 底部链接 */
.footer-link {
    text-align: center;
    padding: 30px 15px;
}

.footer-link a {
    color: #576b95;
    text-decoration: none;
    font-size: 14px;
}

/* 投诉表单页面 */
.form-page {
    padding: 15px;
}

.form-title {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #f0f0f0;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    color: #666;
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    outline: none;
}

.form-input:focus {
    border-color: #576b95;
}

.form-textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    min-height: 150px;
    resize: vertical;
    outline: none;
}

.form-textarea:focus {
    border-color: #576b95;
}

.submit-btn {
    width: 100%;
    padding: 14px;
    background-color: #07c160;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    margin-top: 20px;
}

.submit-btn:active {
    background-color: #06ad56;
}

/* 上传区域 */
.upload-area {
    border: 1px dashed #ddd;
    border-radius: 4px;
    padding: 20px;
    text-align: center;
    color: #999;
}

.upload-area input[type="file"] {
    display: none;
}

.upload-btn {
    display: inline-block;
    padding: 8px 20px;
    background-color: #f5f5f5;
    border-radius: 4px;
    cursor: pointer;
}

/* 成功页面 */
.success-page {
    text-align: center;
    padding: 60px 20px;
}

.success-icon {
    font-size: 60px;
    color: #07c160;
    margin-bottom: 20px;
}

.success-title {
    font-size: 20px;
    margin-bottom: 10px;
}

.success-desc {
    color: #999;
    font-size: 14px;
    margin-bottom: 30px;
}

.back-btn {
    display: inline-block;
    padding: 12px 40px;
    background-color: #07c160;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
}

/* 投诉须知页面 */
.notice-page {
    padding: 15px;
}

.notice-title {
    font-size: 18px;
    font-weight: 500;
    text-align: center;
    margin-bottom: 20px;
}

.notice-content {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
}

.notice-content p {
    margin-bottom: 15px;
}