html {
    position: relative;
    min-height: 100%;
}

body {
    padding-top: 50px;
    background-color: #282828;
    margin-bottom: 70px;
}

.title-bar {
    height: 60px;
    background-color: black;
    /* padding-top: 15px; */
    /* padding-bottom: 15px; */
}

.title-logo {
    width: 40px;
    height: 40px;
    margin-top: 10px;
}

.title-logo-text {
    color: white;
    font-size: large;
    font-weight: bold;
    margin-top: 15px;
}

.title-text {
    color: white;
}

.title-text-bar {
    margin-top: 20px;
}

/* 导航栏下面的绿色分割线 */
.top-divider {
    height: 3px;
    background-color: greenyellow;
}

/* 导航栏下面背景图区域 */
.top-img-area {
    height: 400px;
    background-color: black;
    padding-top: 50px;
}

.app-price-box {
    display: flex;
    flex-direction: row;
    align-items: center;
}

.info-area {
    height: 500px;
}

/* 每一个特点介绍的小方块 */
.feature-cell {
    display: flex;
    flex-direction: row;
    margin-top: 20px;
    margin-bottom: 20px;
    color: white;
}

.feature-name-text {
    font-size: large;
    font-weight: bold;
}

/* .feature-desc-text {
} */


/* 圆形小图标 */
.small-round-icon {
    margin-right: 20px;
    width: 35px;
    height: 35px;
}

.qr-code-block {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* 是否显示边框 */
.show-block {
    border: 1px solid;
}

.big-logo {
    margin-right: 20px;
}

/* logo标题文字 */
.logo-text {
    color: white;
    font-weight: bold;
    font-size:x-large;
}

.logo-text-small {
    color: #b0b0b0;
    font-size: medium;
    margin-top: 10px;
    margin-bottom: 10px;
}

/* logo下方文字 */
.logo-info-text {
    color: white;
    font-size: medium;
    margin-top: 30px;
    margin-bottom: 40px;
}

.download-btn {
    width: 150px;
    margin-left: 20px;
}

.phone-img {
    margin-top: 40px;
}

.summary-info {
    margin-top: 60px;
}

.feature-info {
    margin-top: 30px;
}

.article-text {
    color: white;
}

.article-img {
    max-width: 300px;
    max-height: 600px;
    margin-bottom: 40px;
}

.sm-phone-img {
    max-width: 400px;
    margin-top: 30px;
}

/* 最底下的浮动脚标 */
.footer {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 70px; /* Set the fixed height of the footer here */
    background-color: #181818;
    color: 	#808080;
    padding-left: 20%;
    padding-right: 20%;

    display: flex;
    flex-flow: column nowrap;
    align-items: center;
    justify-content: center;
}

.brand-img {
    width: 25px;
    height: 25px;
}

.navbar-brand-text {
    color: #5DED28;
}

/* 变为中小屏幕时的UI配置 */
@media screen and (max-width: 992px) { 
    .phone-img {
        margin-top: 40px;
    }

    .app-price-box {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: center;
    }

    .summary-info {
        margin-top: 60px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    .feature-cell {
        display: flex;
        flex-direction: row;
        margin-top: 20px;
        margin-bottom: 20px;
        margin-left: 30px;
        color: white;
    }

}