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

        html, body {
            width: 100%;
            height: 100%;
            overflow: hidden; /* 整个页面不滚动 */
            font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial;
        }

        .page {
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        /* 顶部 */

/* 顶部 */
.header {
    width: 100%;
    flex-shrink: 0;
    background: url("../res/top_bg.webp") no-repeat center center;
    background-size: cover;
}

/* 顶部一行内容 */
.header-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
}

/* logo 不再撑满 */
.header-bar .logo {
    width: 60%;
    height: auto;
}

/* contact 在同一行右侧 */
.header-bar .contact {
    width: 18%;
}

.header-bar .contact img {
    width: 100%;
    display: block;
}



        /* 中间滚动区 */
        .content {
            flex: 1;
            overflow-y: auto;
            -webkit-overflow-scrolling: touch; /* 安卓/IOS 顺滑滚动 */
        }

        .content img {
            width: 100%;
            display: block;
        }

        /* 底部 */

.footer {
    position: relative;
    width: 100%;
    flex-shrink: 0;
}

.footer-bg {
    width: 100%;
    display: block;
}

.download-btn {
    position: absolute;
    left: 50%;
    bottom: 5%;
    transform: translateX(-50%);
    width: 60%;
    max-width: 280px;
}

.download-btn img {
    width: 100%;
    display: block;
}

.top-tips {
    position: absolute;
    left: 50%;
    bottom: 100%;
    transform: translateX(-50%);
    background: #fff4d8;
    color: #ff7a00;
    font-size: 12px;
    padding: 8px 16px;
    border-radius: 20px;
    z-index: 10;
    white-space: nowrap;
    cursor: pointer;
    display: none;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    font-weight: 500;
}

.android-modal {
    position: fixed;
    inset: 0;
    background: #fff;
    z-index: 9999;
    display: none;
    flex-direction: column;
}

.android-modal .header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: #fff;
    border-bottom: 1px solid #f0f0f0;
}

.android-modal-arrow {
    width: 24px;
    height: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.android-modal-arrow::before {
    content: '←';
    font-size: 24px;
    color: #333;
}

.android-modal .title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
}

.android-modal .content {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.android-modal .list {
    padding: 12px;
}

.platform-item {
    margin-bottom: 12px;
    cursor: pointer;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.platform-item img {
    width: 100%;
    display: block;
}

.contentAnser {
    display: none;
    padding: 16px;
}

.contentAnser .pic {
    margin-bottom: 16px;
}

.contentAnser .pic img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.1);
}