/* 基础重置 */
* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; background-color: #f7f7f7; color: #333; }

/* 布局容器 */
.container { max-width: 640px; margin: 0 auto; min-height: 100vh; background: #fff; display: flex; flex-direction: column; }

/* 顶部风险提示 */
.risk-tip { background-color: #ffffff; color: #5ee63c; padding: 10px 15px; font-size: 12px; display: flex; align-items: start; }
.risk-tip svg { width: 14px; height: 14px; margin-right: 5px; margin-top: 2px; flex-shrink: 0; fill: rgb(0, 255, 34); }

/* APP 头部信息 */
.app-header { padding: 40px 20px 20px; text-align: center; }
.app-icon { width: 100px; height: 100px; border-radius: 20px; box-shadow: 0 4px 12px rgba(0,0,0,0.08); margin-bottom: 15px; object-fit: cover; }
.app-name { font-size: 20px; font-weight: 600; margin-bottom: 10px; color: #333; }
.app-meta { display: flex; justify-content: center; gap: 15px; font-size: 13px; color: #999; margin-bottom: 20px; }

/* 信息列表 */
.info-list { padding: 0 20px; }
.info-item { display: flex; justify-content: space-between; padding: 15px 0; border-bottom: 1px solid #eee; font-size: 14px; }
.info-label { color: #666; }
.info-value { color: #333; font-weight: 500; }

/* 按钮区域 */
.action-area { padding: 30px 20px; margin-top: auto; }
.download-btn {
    display: block; width: 100%; height: 50px; line-height: 50px;
    text-align: center; background-color: #007aff; color: #fff;
    border-radius: 25px; font-size: 16px; font-weight: 600;
    text-decoration: none; border: none; cursor: pointer;
    box-shadow: 0 4px 10px rgba(0,122,255,0.3);
    transition: opacity 0.2s;
}
.download-btn:active { opacity: 0.8; }
.download-btn.disabled { background-color: #ccc; box-shadow: none; pointer-events: none; }

/* 底部免责声明 */
.footer-tips { padding: 20px; font-size: 12px; color: #ccc; text-align: center; line-height: 1.6; }

/* 微信遮罩层 */
.weixin-mask {
    display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.8); z-index: 9999; text-align: right; padding-top: 20px; padding-right: 20px;
}
.weixin-mask img { width: 80%; max-width: 300px; }
.weixin-text { color: #fff; font-size: 16px; text-align: center; margin-top: 20px; }