body, p, h1, h2, h3, h4, h5, h6, ul, ol, dl, li, dt, dd, section {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

* {
    outline: none;
}

div, ul, h1, h2, h3, h4, h5, h6 {
    box-sizing: border-box
}

ul, ol, li {
    list-style: none
}

a {
    text-decoration: none;
}

html, body {
    background-color: #f1f1f1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    align-items: center;
}

p {
    text-align: justify;
    text-justify: inter-ideograph;
}

em {
    font-style: inherit;
}


.main_wrap {
    background: #fff;
    height: 100vh;
    width: 26.125rem;
    box-shadow: 2px 3px 10px #999;
    overflow-y: scroll;
}

/**滚动条START**/
.main_wrap::-webkit-scrollbar {
    width: .25rem;
}

.main_wrap::-webkit-scrollbar-track {
    background: #fff;
    border-radius: .25rem;
}

.main_wrap::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: .25rem;
    border: .125rem solid #c1c1c1;
}

/**滚动条END**/

.main {
    flex: 1
}

.s1 {
    display: flex;
    justify-content: center;
    column-gap: 3.75rem;
    align-items: center;
    background: url(../img/banner.webp);
    position: relative;
    background-repeat: no-repeat;
    background-size: cover;
    flex-direction: column;
    height: auto;
}

.s1 .logo_wrap {
    position: absolute;
    top: 1rem;
    left: 1rem;
    width: auto;
    display: flex;
}

.s1 .logo_wrap img {
    height: 2rem;
    width: auto;
}

.s1 .info {
    margin-top: 0;
    display: flex;
    align-items: center;
    flex-direction: column;
}

.s1 .name {
    font-weight: bold;
    color: #fff;
    font-size: 1.75rem;
    text-align: center;
    margin: 1.5rem 0 .5rem 0;
}

.s1 .desc {
    color: #fff;
    font-size: 0.75rem;
    margin: 0.25rem 0 0;
    display: flex;
    padding: 0.3rem;
    column-gap: 0.6rem;
    background: linear-gradient(90deg, rgb(51 173 255 / 16%) 0%, rgb(0 76 188 / 16%) 48%, rgb(51 134 255 / 16%) 100%);
}

.s1 .desc span + span {
    border-left: 1px solid #fff;
    padding-left: 0.4rem;
}

.s1 .desc span {
    display: flex;
    align-items: center;
    column-gap: 0.4rem;
}
.s1 .desc span::before {
    content: '';
    display: inline-block;
    width: 0.75rem;
    height: 0.75rem;
    background-image: url('../img/icon-1.webp');
    background-size: 0.75rem 0.75rem;
    background-repeat: no-repeat;
}
.s1 .desc span:nth-of-type(2)::before {
    background-image: url('../img/icon-2.webp');
}
.s1 .desc span:nth-of-type(3)::before {
    background-image: url('../img/icon-3.webp');
}

.s1 .con {
    display: flex;
    align-items: center;
    flex-direction: column-reverse;
    column-gap: 0.625rem;
    padding-top: 3.5rem;
    row-gap: 2rem;
    width: 100%;
    background-image: url('../img/banner.webp');
    background-size: 100% 100%;
}

.s1 .con .row {
    display: flex;
    flex-direction: row;
    column-gap: 0.625rem;
}

.s1 .con .row:first-child {
    justify-content: center;
}

.s1 .con .down {
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 3.375rem;
    background-color: #fff;
    text-align: center;
    color: #0f67ff;
    margin: 1rem 0 .5rem;
    border-radius: 2rem;
    width: 13.5rem;
    height: 2.8125rem;
    font-size: 1rem;
}

.s1 .con .down i {
    content: url(../img/icon-download.webp);
    margin-right: 0.5rem;
    width: 1.125rem;
    height: 1.125rem;
}

.s1 .con .down.android i {
    content: url(../img/android.webp);
}

.s1 .con .down.ios i {
    content: url(../img/icon-down-ios.webp);
}

.s1 .con .down:hover {
    opacity: 0.8;
}

.s1 .down-base-info {
    color: #fff;
    text-align: center;
    display: flex;
    align-items: center;
    font-size: .825rem;
    margin-top: .5rem;
    line-height: 1.5rem;
    gap: 0 .5rem;
    flex-wrap: wrap;
    justify-content: center;
    padding: 0 1rem;
}

.s1 .down-base-info em {
    all: unset;
    font-style: normal;
}

.s1 .info .images {
    margin-top: 2rem;
    display: flex;
    column-gap: 0.8rem;
}
.s1 .info .images img {
    height: 13.25rem;
}

.s1 .index-device-desc {
    font-size: .825rem;
    line-height: 1.5rem;
    margin-top: .5rem;
    color: #fff;
    padding: 0 1.5rem;
    text-align: center;
}
.s2 {
    background: linear-gradient( 180deg, #3B7CED 0%, #E2F6FF 0%, #FFFFFF 100%);
    text-align: center;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    row-gap: 1.5rem;
    padding: 0 1rem;
}

.s2 h3 {
    font-weight: bold;
    font-size: 1.12rem;
    color: #000;
    line-height: 1.75rem;
    text-align: center;
    padding: 2.5rem 2rem 0 2rem;
}
.s2 h3 em {
    color: #3B7CED;
}
.s2 .p1 {
    font-weight: bold;
    font-size: 1rem;
    display: flex;
    column-gap: 0.4rem;
    justify-content: center;
    margin-bottom: 0.5rem;
}
.s2 .p1::before {
    content: '';
    display: inline-block;
    width: 1.125rem;
    height: 1.125rem;
    background-image: url('../img/icon-4.webp');
    background-size: 100%;
    background-repeat: no-repeat;
}
.s2 .p2 {
    font-size: 0.875rem;
    color: #666;
    text-align: center;
}
.s2 img {
    width:100%;
}

.s3 {
    display: flex;
    flex-direction: column;
    align-items: center;
    row-gap: 1.5rem;
    padding: 2rem 1rem;
    background: linear-gradient( 180deg, #EAFEF7 0%, #E7FEF6 0%, #FFFFFF 100%);
}

.s3 h3 {
    text-align: center;
    font-size: 1.12rem;
    padding: 0 2rem 0 2rem;
    line-height: 1.75rem;
}

.s3 h3 span {
    color: #22BE74;
}

.s3 p {
    font-size: 0.875rem;
    color: #666;
    text-align: center;
}

.s3 .images-2 {
    display: flex;
}

.s3 .images-2 img {
    height: 25.75rem;
}


.s4 {
    display: flex;
    flex-direction: column;
    align-items: center;
    row-gap: 1.5rem;
    padding: 2rem 1rem;
    background: linear-gradient( 180deg, #3B7CED 0%, #EDE5FE 0%, #FFFFFF 100%);
}

.s4 h3 {
    text-align: center;
    font-size: 1.12rem;
    padding: 0 2rem 0 2rem;
}

.s4 h3 span {
    color: #B954FF;
}

.s4 p {
    font-size: 0.875rem;
    color: #666;
    line-height: 1.25rem;
    text-align: center;
}

.s4 .images-2 {
    display: flex;
}

.s4 .images-2 img {
    height: 25.75rem;
}

.s5 {
    display: flex;
    flex-direction: column;
    row-gap: 1.5rem;
    padding: 2rem 1rem;
    background: linear-gradient( 180deg, #3B7CED 0%, #E1F6FF 0%, #FFFFFF 100%);
}
.s5 h3 {
    text-align: center;
    font-size: 1.12rem;
}
.s5 h3 span {
    color: #3C80F4;
}
.s5 p {
    font-size: 0.825rem;
    color: #666;
    text-align: center;
}
.s5 img {
    width: 100%;
}
.s5 .con {
    display: flex;
    flex-direction: column;
    column-gap: 0.625rem;
    margin-top: 1.5rem;
    row-gap: 1rem;
}

.s5 .con img {
    width: 7.67625rem;
    height: 6.375rem;
}

.s5 .con .row {
    display: flex;
    flex-direction: row;
    column-gap: 1.5rem;
}

.s5 .con .row {
    display: flex;
    flex-direction: row;
    column-gap: 0.625rem;
}

.s5 .con .row:first-child {
    justify-content: center;
}

.footer {
    text-align: center;
    width: 100%;
    background-color: #1A1A1A;
    padding: 1rem 1rem;
}

.footer p, .footer p a {
    font-weight: normal;
    margin-bottom: 0;
    color: #E7ECF9;
    margin-top: 0;
    text-align: center;
    font-size: .75rem;
    line-height: 1.25rem;
}

.footer .beian {
    color: #333;
    font-size: .75rem;
}

.index-btn_wrap {
    position: relative;
    cursor: pointer;
}

.index-code-box {
    display: flex;
    align-items: flex-end !important;
    justify-content: center !important;
    width: 11.1875rem !important;
    height: 12.3125rem !important;
    background: url(../img/code-box.png);
    background-size: 11.1875rem 12.3125rem;
    position: absolute;
    top: 4rem;
    left: 8%;
    display: none !important;
}

.index-code-box .index-code {
    margin-bottom: 1.5rem;
}

.index-code-box .index-code img {
    width: 8.5rem !important;
    height: 8.5rem !important
}

.to_top {
    position: fixed;
    right: 1rem;
    bottom: 6rem;
    cursor: pointer;
    display: none;
}

.to_top img {
    width: 2rem;
    height: 2rem;
}

@media (min-width: 600px) {
    .to_top {
        right: calc(50vw - 12rem);
    }
}