/* Mobile CSS Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.bg img,
.bg picture {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.fixed-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
}

.logo img {
    height: 40px;
    width: auto;
}

.links {
    display: flex;
    gap: 10px;
}

.links a img {
    height: 30px;
    width: auto;
}

.section {
    padding: 80px 20px 20px;
    text-align: center;
}

.slogan img {
    max-width: 100%;
    height: auto;
}

.title img {
    max-width: 100%;
    height: auto;
    margin-top: 20px;
}

.bottom {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    z-index: 100;
}

.buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 15px;
}

.buttons a img {
    max-width: 150px;
    height: auto;
}

.top-tips {
    text-align: center;
    color: #fff;
    font-size: 12px;
    padding: 10px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 5px;
}

.android-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    overflow-y: auto;
}

.android-modal .header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: #fff;
}

.android-modal .content {
    padding: 20px;
    background: #fff;
}

.platform-item {
    margin-bottom: 15px;
    cursor: pointer;
}

.platform-item img {
    width: 100%;
    height: auto;
}

.pic {
    margin-bottom: 15px;
}

.pic img {
    width: 100%;
    height: auto;
}

.layer-ad {
    position: fixed;
    bottom: 125px;
    right: 14px;
    width: 88px;
    height: 88px;
    z-index: 999;
}

.load-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media (max-width: 768px) {
    .fixed-header {
        padding: 8px 10px;
    }
    
    .logo img {
        height: 35px;
    }
    
    .links a img {
        height: 25px;
    }
    
    .section {
        padding: 70px 15px 15px;
    }
}