* {
    box-sizing: border-box;
    transition: all .2s;
}

img {
    vertical-align: middle;
}

body {
    width: 100%;
    flex-direction: column;
    background-size: cover;
    overflow: hidden;
    background: #e5f6ff;
    max-width: 460px;
    margin: 0 auto;
}

header {
    width: 100%;
    max-width: 460px;
    display: flex;
    align-items: center;
    padding: 10px;
    position: fixed;
    top: 0;
    left: 50%;
    z-index: 9;
    background: url(../img/phone/top-bg.png?v=1) no-repeat;
    background-size: cover;
    transform: translateX(-50%);
}

header>img:first-of-type {
    width: 35%;
}

header>img:nth-of-type(2) {
    width: 25%;
    margin-right: 10px;
    margin-left: auto;
}

header>img:nth-of-type(3) {
    width: 25%;
}

main {
    height: 100%;
    position: relative;
}
.swiper{
    height: 100%;
}
.swiper-slide {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    
}
.swiper-slide img{
    width: 100%;
    max-width: 100%;
    height: calc(100% - 64px);
    max-height: calc(100% - 64px);
    object-fit: cover;
}
.head{
    width: 100vh;
    height: 60px;
    flex: 1;
}
/* .main-img-list{
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.title-img{
    position: absolute;
    top: 50px;
    right: 10px;
    width: 140px;
}
.list-item{
    width: 50%;
    height: 100%;
}
.left-img{
    width: 55%;
} */


footer {
    width: 100%;
    max-width: 460px;
    height: max-content;
    padding: 10px 0;
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9;
}

.box {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.box>img {
    width: 34%;
}

.box>img:nth-of-type(2n) {
    margin-left: 30px;
}
.tips{
    width: 70%;
    margin: 0 auto;
    display: block;
}