html,
body {
    margin: 0;
    padding: 0;
    font-size: 10px;
    height: 100%;
    background: #a1cbed;
}

a {
    text-align: left;
    text-decoration: none;
}

h1 {
    margin: 0;
    font-size: 2rem;
    letter-spacing: 0.6rem;
    font-weight: normal;
    text-align: center;
    color: #fcf9ff;
}

#main {
    width: 100%;
    top: 4em;
    position: absolute;
    /*此处自适应高度值得注意*/
    bottom: 0;
    left: 0;
}

.top {
    position: absolute;
    line-height: 4em;
    height: 4em;
    width: 100%;
    background-color: #0047a9;
    z-index: 9999;
    opacity: 0.999;
}

.middle {
    margin: 0 auto;
    width: 96%;
    text-align: center;
}

img {
    margin: 1rem auto;
    margin-bottom: 1rem;
    width: 15rem;
    min-width: 10rem;
    height: 27rem;
    background-color: rgba(248, 226, 213, 0.6);
    z-index: 999;
    box-shadow: 2px 3px 5px 2px rgba(0, 0, 0, 0.1);
}

.right {
    padding-bottom: 30px;
    height: 60%;
    width: 90%;
    margin: 0 auto 0;
    background-color: rgba(248, 226, 213, 0);
}

.title {
    border-radius: 5px;
    width: 100%;
    font-size: 1.4rem;
    font-weight: normal;
    margin: 0;
    text-align: center;
    color: #231815;
    line-height: 1.4rem;
    padding: 0.2rem 0;
    background: url(../images/tanhao.png) no-repeat 1% 50%;
    background-size: 2.125rem 2.125rem;
}

p {
    text-align: left;
    display: inline-block;
    width: 80%;
    margin: -2px 0 0 18px;
    letter-spacing: 0;
    font-size: 1.5rem;
    line-height: 1.2em;
    text-indent:0;
}

.button {
    padding: 5px 0;
    font-size: 1.6rem;
    border-radius: 5px;
    color: #eee;
    height: 2.4rem;
    line-height: 2.4rem;
    display: block;
    background-color: #0047a9;
    margin: 0 0 1.5rem 0;
    box-shadow: 2px 3px 5px 2px rgba(0, 0, 0, 0.1);
}

.aTop {
	display: block;
    text-align: center;
    background-image: url(../images/ios3.png);
    background-position: center;
    background-repeat: no-repeat;
    background-position: 29% 49%;
}

.aBottom {
	margin-top:1rem;
    display: block;
    text-align: center;
    background-image: url(../images/anzuo.png);
    background-repeat: no-repeat;
    background-position: 30% 46%;
}

@media only screen and (max-device-width: 320px) {
    img {
        margin-top: 6px;
        margin-bottom: 4px;
        height: 22rem;
        width: 14rem;
    }
    .title {
        margin-top: 0.6rem;
        font-size: 1.2rem;
        line-height: 1rem;
        padding: 0.2rem 0rem 0.2rem 0rem;
        text-indent: 8px;
    }
    p {
        margin: -2px 0 0 18px;
        letter-spacing: 0;
        font-size: 1.5rem;
    }
    .aBottom {
        margin-top: 0.6rem
    }
}

@media only screen and (min-height: 481px) and (max-height: 580px) {
    img {
        height: 25rem;
        width: 15rem;
    }
    .title {
        font-size: 1rem;
        line-height: 1.2rem;
    }
}

@media only screen and (min-height: 569px) {
    html,
    body {
        font-size: 16px;
    }
    .title {
        font-size: 1.4rem;
        line-height: 1.6rem;
        padding: 0.5rem 0rem;
        text-indent: 8px;
    }
    .button {
        font-size: 1.4rem;
        color: white;
        height: 1.6rem;
        line-height: 1.6rem;
        display: inline-block;
        width: 100%;
        background-color: #0047a9;
        margin: 1rem 0 0rem 0;
        box-shadow: 2px 3px 5px 2px rgba(0, 0, 0, 0.1);
    }
    img {
        margin: 1rem auto;
        margin-bottom: 1rem;
        width: 16rem;
        min-width: 10rem;
        height: 28rem;
        background-color: rgba(248, 226, 213, 0.6);
        z-index: 999;
        box-shadow: 2px 3px 5px 2px rgba(0, 0, 0, 0.1);
    }
}