* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: "SF Pro Display", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
    background: #f2f2f7;
    color: #000;
    min-height: 100vh;
    padding-bottom: 20px;
}

/* 头部区域 */
.header {
    background: #fff;
    padding: 20px 16px 24px;
    border-bottom: 1px solid #e5e5ea;
}

.app-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 16px;
}

.app-icon {
    width: 114px;
    height: 114px;
    border-radius: 26px;
    background: linear-gradient(135deg, #007aff 0%, #0051d5 100%);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 56px;
    flex-shrink: 0;
}

.app-info {
    flex: 1;
    min-width: 0;
    padding-top: 4px;
}

.app-name {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 2px;
    color: #000;
    line-height: 1.2;
}

.app-category {
    font-size: 13px;
    color: #8e8e93;
    margin-bottom: 8px;
}

.age-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    background: #f2f2f7;
    border-radius: 4px;
    font-size: 12px;
    color: #8e8e93;
    font-weight: 500;
}

.download-section {
    display: flex;
    align-items: center;
    gap: 8px;
}

.download-btn {
    background: #007aff;
    color: #fff;
    border: none;
    padding: 8px 24px;
    border-radius: 15px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: -0.2px;
}

.download-btn:active {
    opacity: 0.7;
    transform: scale(0.96);
}

.help-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #f2f2f7;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    cursor: pointer;
    color: #007aff;
}

/* 统计信息 */
.stats {
    display: flex;
    justify-content: space-around;
    padding: 12px 16px;
    background: #fff;
    margin: 0;
    border-bottom: 1px solid #e5e5ea;
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 20px;
    font-weight: 600;
    color: #8e8e93;
    margin-bottom: 2px;
}

.stat-label {
    font-size: 11px;
    color: #8e8e93;
}

/* 评分区域 */
.rating-section {
    background: #fff;
    padding: 20px 16px;
    border-bottom: 1px solid #e5e5ea;
}

.section-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #000;
    letter-spacing: -0.4px;
}

.rating-content {
    display: flex;
    align-items: center;
    gap: 24px;
}

.rating-score {
    text-align: center;
}

.score-number {
    font-size: 52px;
    font-weight: 700;
    color: #000;
    line-height: 1;
    margin-bottom: 4px;
    letter-spacing: -1px;
}

.score-max {
    font-size: 14px;
    color: #8e8e93;
}

.rating-bars {
    flex: 1;
}

.rating-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.bar {
    flex: 1;
    height: 4px;
    background: #e5e5ea;
    border-radius: 2px;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    background: #8e8e93;
    border-radius: 2px;
}

.rating-count {
    font-size: 12px;
    color: #8e8e93;
    margin-top: 8px;
}

/* 新功能 */
.whats-new {
    background: #fff;
    padding: 20px 16px;
    border-bottom: 1px solid #e5e5ea;
}

.version {
    font-size: 14px;
    color: #8e8e93;
    margin-top: 8px;
}

/* 信息列表 */
.info-section {
    background: #fff;
    padding: 20px 16px;
    border-bottom: 1px solid #e5e5ea;
}

.info-list {
    list-style: none;
}

.info-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 0.5px solid #e5e5ea;
}

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

.info-label {
    font-size: 15px;
    color: #8e8e93;
}

.info-value {
    font-size: 15px;
    color: #000;
    text-align: right;
    max-width: 60%;
}

.info-link {
    color: #007aff;
    text-decoration: none;
}

/* 隐私政策 */
.privacy-section {
    background: #f2f2f7;
    padding: 16px;
    margin: 12px 16px 20px;
    border-radius: 8px;
}

.privacy-header {
    font-size: 12px;
    color: #8e8e93;
    margin-bottom: 12px;
}

.privacy-content {
    font-size: 13px;
    line-height: 1.5;
    color: #8e8e93;
}

/* 设备检测提示 */
.device-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 10px;
    background: #f2f2f7;
    border-radius: 6px;
    font-size: 12px;
    color: #000;
    margin-top: 10px;
    font-weight: 500;
}

.device-icon {
    font-size: 14px;
}

/* 响应式 */
@media (max-width: 375px) {
    .app-icon {
        width: 100px;
        height: 100px;
        font-size: 50px;
    }
    
    .app-name {
        font-size: 22px;
    }
    
    .score-number {
        font-size: 48px;
    }
}