* {
    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: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    color: #333;
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
}

.pc-container {
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 40px;
    margin: 0 auto;
}

.app-header {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    align-items: flex-start;
    margin-bottom: 40px;
    background: #ffffff;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    padding: 30px;
}

.app-logo-container {
    flex-shrink: 0;
}

.app-logo {
    width: 120px;
    height: 120px;
    border-radius: 25px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    margin-bottom: 15px;
    display: block;
    object-fit: contain;
}

.app-rating {
    display: flex;
    align-items: center;
    gap: 5px;
    justify-content: center;
}

.star {
    color: #ffd700;
    font-size: 18px;
}

.score {
    margin-left: 5px;
    font-weight: 600;
    color: #666;
}

.app-info {
    flex: 1;
    min-width: 250px;
}

.app-title {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.info-strong {
    font-size: 16px;
    color: #666;
    margin-bottom: 8px;
    font-weight: 500;
}

.app-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 15px;
}

.meta-item {
    font-size: 14px;
    color: #999;
}

.qrcode-block {
    flex-shrink: 0;
    text-align: center;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 15px;
}

.qrcode {
    width: 200px;
    height: 200px;
    background: #fff;
    padding: 10px;
    border-radius: 10px;
    margin: 0 auto 15px;
    display: block;
    max-width: 100%;
    border: 1px solid #e0e0e0;
}

.qrcode:empty {
    border: 2px dashed #ccc;
}

.qrcode:empty::before {
    content: '加载中...';
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #999;
    font-size: 14px;
}

.tip {
    font-size: 14px;
    color: #666;
    margin-top: 10px;
}

.install-section {
    text-align: center;
    padding: 30px 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
    margin: 30px 0;
}

.install-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 18px 50px;
    font-size: 20px;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.install-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.5);
}

.install-btn:active {
    transform: translateY(0);
}

.btn-icon {
    font-size: 24px;
}

.install-tip {
    margin-top: 15px;
    font-size: 14px;
    color: #999;
}

.comment-block {
    margin-top: 40px;
    background: #ffffff;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    padding: 30px;
}

.comment-title {
    font-size: 24px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.comment-content {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 25px;
}

.comment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 15px;
}

.comment-rating {
    display: flex;
    gap: 3px;
}

.comment-meta {
    display: flex;
    gap: 15px;
    font-size: 14px;
    color: #999;
}

.comment-author {
    font-weight: 600;
    color: #666;
}

.comment-text {
    font-size: 16px;
    line-height: 1.8;
    color: #333;
}

.install-instructions {
    margin-top: 40px;
    padding: 25px;
    background: #fff3cd;
    border-radius: 15px;
    border-left: 4px solid #ffc107;
}

.instructions-title {
    font-size: 20px;
    font-weight: 600;
    color: #856404;
    margin-bottom: 15px;
}

.instructions-content {
    font-size: 14px;
    color: #856404;
    line-height: 1.8;
}

.instructions-content ol {
    margin: 15px 0;
    padding-left: 25px;
}

.instructions-content li {
    margin-bottom: 10px;
}

.instructions-content .note {
    margin-top: 15px;
    padding: 10px;
    background: #fff;
    border-radius: 8px;
    font-size: 13px;
    color: #666;
}

.disclaimer {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    font-size: 12px;
    color: #999;
    text-align: center;
}

@media (max-width: 768px) {
    .pc-container {
        padding: 25px;
    }

    .app-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .app-info {
        width: 100%;
    }

    .app-title {
        font-size: 28px;
    }

    .install-btn {
        padding: 15px 40px;
        font-size: 18px;
    }

    .comment-header {
        flex-direction: column;
        align-items: flex-start;
    }
}