* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-family: "SF Pro SC", "HanHei SC", "SF Pro Text", "Myriad Set Pro", "SF Pro Icons", "PingFang SC", "Helvetica Neue", "Helvetica", "Arial", sans-serif;
    font-size: 10px;
}

.container {
    max-width: 98rem;
    margin: 0 auto;
    padding: 0 2.2rem;
}

.container a {
    display: block;
    text-decoration: none;
}

header {
    position: fixed;
    top: 0;
    z-index: 1400;
    width: 100%;
    height: 4.4rem;
    background-color: rgba(0, 0, 0, .8);
    backdrop-filter: blur(2rem);
}

.nav-list {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 0 -1rem;
}

.nav-list-larger .nav-item:nth-of-type(2) {
    margin-left: 400px;
}

.nav-list-mobile {
    display: none;
}

.nav-link {
    font-size: 1.4rem;
    color: #fff;
    padding: 0 1rem;
    transition: opacity .5s;
}

.nav-link:hover {
    opacity: .7;
}

.nav-link-apple {
    width: 1.6rem;
    height: 4.4rem;
    background: url("./svg/sharechat.svg") center no-repeat;
    background-size: contain;
}

.nav-link-search {
    width: 1.6rem;
    height: 4.4rem;
    background: url("./svg/search.svg") center no-repeat;
}

/*------------------------navgation bar------------------------*/

.huabei-hero {
    height: 100vh;
    background: url("./images/huabei-background.jpg");
    background-size: cover;
    background-repeat: no-repeat;
}

.huabei-hero h1 {
    padding-top: 500px;
    text-align: center;
    font-size: 87px;
}

.huabei-hero h3 {
    text-align: center;
    font-size: 40px;
}

/*------------------------ huabei hero ------------------------*/

.introduce {
    width: 1390px;
    margin: 100px auto;
}

.introduce h4 {
    font-size: 28px;
    font-weight: 500;
}

.introduce hr {
    margin: 10px 0;
}

.introduce .edit {
    color: #333333;
    font-size: 17px;
    line-height: 2.3;
    font-weight: 500;
}

.introduce .such-as {
    color: #333333;
    font-size: 17px;
    line-height: 2.3;
    font-weight: 500;
}

.introduce h5 {
    color: #444444;
    font-size: 18px;
    line-height: 2.3;
    font-weight: 500;
}

.introduce p {
    color: #444444;
    font-size: 17px;
    line-height: 1.7;
    font-weight: 400;
}

.introduce .tips {
    margin-top: 50px;
}

.introduce .tutorial {
    display: flex;
    align-items: center;
}

.introduce .zhifubao {
    width: 30px;
    height: 30px;
    background: url("./svg/huabei-zhifubao.svg");
    background-repeat: no-repeat;
    background-size: contain;
    margin-right: 5px;
}

.introduce .taobao {
    width: 30px;
    height: 30px;
    background: url("./svg/taobao.svg");
    background-repeat: no-repeat;
    background-size: contain;
    margin-right: 5px;
}

.introduce .pinduoduo {
    width: 26px;
    height: 26px;
    background: url("./svg/pingduoduo.svg");
    background-repeat: no-repeat;
    background-size: contain;
    margin-right: 9px;
}

.introduce .apple {
    width: 30px;
    height: 30px;
    background: url("./svg/apple.svg");
    background-repeat: no-repeat;
    background-size: contain;
    margin-right: 5px;
}

.introduce .process {
    color: #444444;
    font-size: 18px;
    line-height: 2.3;
    font-weight: 500;
}

.introduce li {
    color: #444444;
    font-size: 17px;
    line-height: 1.7;
    font-weight: 400;
    margin-left: 50px;
}

table {
    border-collapse: collapse;
    margin: 25px 0;
    font-size: 14px;
    min-width: 350px;
    border-radius: 5px 5px 0 0;
    overflow: hidden;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.15);
}

thead tr {
    background-color: #009879;
    color: #ffffff;
    text-align: left;
    font-weight: bold;
}

table th,
td {
    padding: 12px 15px;
}

tbody tr {
    border-bottom: 1px solid #dddddd;
}

tbody tr:nth-of-type(even) {
    background-color: #f3f3f3;
}

tbody tr:last-of-type {
    border-bottom: 2px solid #009879;
}

/*------------------------ huabei hero ------------------------*/

.huabei-case {
    background-color: rgb(245, 245, 247);
}

.huabei-iphone {
    width: 1390px;
    margin: 0 auto;
}

.huabei-iphone h2 {
    color: #027FFF;
    font-size: 56px;
    padding: 40px 40px 30px 40px;
}

.huabei-iphone .case-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 834px;
    gap: 34px;
}

.case {
    border-radius: 32px;
    background-color: white;
    padding: 40px 40px 0 40px;
    overflow: hidden;
    margin-bottom: 100px;
}

.case .client-chat {
    width: 485px;
    height: 1049px;
    margin: 100px auto;
    background: url("./images/iPhone.png");
    background-repeat: no-repeat;
    background-size: 485px 1049px;
}

.case .mobile-top {
    display: grid;
    grid-template-columns: 1fr 1fr;
    justify-content: space-around;
    padding: 35px 40px 0 60px;
}

.case .time {
    font-size: 16px;
    font-weight: bold;
}

.case .cellar-wifi-battery {
    display: flex;
    justify-content: end;
}

.case .cellar-wifi-battery .cellar {
    width: 20px;
    height: 20px;
    background: url("./svg/cellular.svg");
    background-size: contain;
    margin-right: 10px;
}

.case .cellar-wifi-battery .wifi {
    width: 20px;
    height: 20px;
    background: url("./svg/wifi.svg");
    background-size: contain;
    margin-right: 10px;
}

.case .cellar-wifi-battery .battery {
    width: 20px;
    height: 20px;
    background: url("./svg/ios-battery-full.svg");
    background-size: cover;
    margin-right: 10px;
}

.case .webchat-top {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    width: 427px;
    margin: 0 auto;
    align-items: center;
    padding: 30px 25px 10px 25px;
}

.case .webchat-top .line-top {
    width: 2px;
    height: 13px;
    background-color: black;
    transform: rotateZ(45deg) translateY(2.4px);
}

.case .webchat-top .line-bottom {
    width: 2px;
    height: 14px;
    background-color: black;
    transform: rotateZ(135deg) translateY(3.6px);
}

.case .webchat-top .name {
    font-size: 20px;
    text-align: center;
    font-weight: 500;
}

.case .webchat-top .more {
    display: flex;
    justify-content: end;
}

.case .webchat-top .point {
    width: 4px;
    height: 4px;
    background-color: black;
    border-radius: 50%;
    margin-left: 4px;
    justify-self: end;
}

.case .webchat-hr {
    width: 424px;
    margin: 0 auto;
    border: 1px rgb(226, 226, 226) solid;
}

.right-tips p {
    color: #555555;
    font-size: 21px;
    font-weight: 300;
    margin-top: 100px;
}

.right-tips p:nth-of-type(2) {
    color: #555555;
    font-size: 21px;
    font-weight: 300;
    margin-top: 20px;
}

.right-tips h5 {
    color: #444444;
    font-size: 21px;
    font-weight: 500;
    margin-top: 50px;

}

.right-tips a {
    color: #027FFF;
    font-size: 20px;
    text-decoration: none;
    line-height: 3;
}

.right-tips a:hover {
    text-decoration: underline;
    text-underline-offset: 5px;
}

.right-tips .webchat-logo-text {
    display: flex;
    margin-top: 50px;
    align-items: center;
}

.right-tips .webchat-account {
    font-size: 20px;
    margin-left: 20px;
    font-weight: 400;
}

.right-tips .profile {
    width: 50px;
    height: 50px;
    background: url("./images/server.JPG");
    background-repeat: no-repeat;
    background-size: contain;
    border-radius: 50%;
}

.triangle-client-chat {
    display: flex;
    align-items: center;
    margin-left: 3px;
}

.case .client {
    width: 432px;
    padding: 10px 16px;
    margin: 0 auto;
    display: flex;
    align-items: center;
}

.case .client-profile {
    width: 50px;
    height: 50px;
    border-radius: 5px;
    background-size: contain;
}

.case .triangle:nth-of-type(2) {
    border-top: 5px solid transparent;
    border-right: 5px solid rgb(252, 224, 192);
    border-bottom: 5px solid transparent;
    border-left: 5px solid transparent;
    width: 9px;
    height: 9px;
}

.case .triangle {
    border-right: 5px solid white;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    border-left: 5px solid transparent;
    width: 9px;
    height: 9px;
}

.case .chat {
    font-size: 20px;
    padding: 12px 12px;
    background-color: white;
    border-radius: 7px;
}

.bill-detail {
    width: 78px;
    height: 151px;
    background-color: rgb(245, 245, 245);
    padding: 3px;
    border-radius: 2px;
}

.bill-detail .top {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    justify-content: space-between;
}

.bill-detail .top .arrow-left {
    background: url("./svg/arrow-left.svg");
    background-repeat: no-repeat;
    background-size: contain;
}

.bill-detail .detail {
    font-size: 5.5px;
}

.bill-detail .center {
    margin-top: 7px;
    background-color: white;
    border-radius: 2px;
    position: relative;
    padding: 1px 0;
}

.bill-detail .center .pinduoduo-icon {
    width: 8px;
    height: 8px;
    background: url("./svg/huabei-pinduoduo.svg");
    background-repeat: no-repeat;
    background-size: contain;
    background-color: red;
    padding: 1px;
    border-radius: 50%;
    position: absolute;
    top: -2px;
    right: 33px;
}
.pinduoduo-transfer{
    width: 70px;
    height: 151px;
    background: url("./images/pingduoduo-transfer.JPG");
    background-size: contain;
    border-radius: 6px;
}

.bill-detail .center h5 {
    font-size: 3px;
    font-weight: 400;
}

.bill-detail .grey {
    color: gray
}

.bill-detail .center .margin-top {
    margin-top: 8px;
}

.bill-detail .center h4 {
    font-size: 6px;
    font-weight: 500;
}

.bill-detail .center .h5center {
    text-align: center;
}

.bill-detail .center .payment-way {
    margin-top: 8px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    justify-content: space-between;
    align-items: center;
    padding: 0 0 0 2px;
}

.bill-detail .center .huabei-arrow-right {
    display: flex;
    align-items: center;
    justify-content: end;
}

.bill-detail .center .payment-way .arrow-right {
    width: 5px;
    height: 5px;
    background: url("./svg/arrow-right.svg");
    background-size: contain;
}

.bill-detail .center .collect {
    margin-top: 2px;
    display: grid;
    grid-template-columns: 2.7fr 3fr;
    justify-content: space-between;
    align-items: center;
    padding: 0 1px 0px 2px;
}

.bill-detail .center .collect-box {
    background-color: #deeaf7;
    color: #027FFF;
    border-radius: 2px;
    padding: 1px;
    text-align: end;
}

.bill-detail .center .explain {
    margin-top: 2px;
    display: grid;
    display: grid;
    grid-template-columns: 1fr 1fr;
    justify-content: space-between;
    align-items: center;
    padding: 0 2px 0 2px;
}

.bill-detail .h5right {
    text-align: end;
    margin-right: 2px;
}

.bill-detail .center .explain h5:nth-of-type(2) {
    justify-self: end;
}

.bill-detail .center .create-time {
    margin-top: 2px;
    display: grid;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    justify-content: space-between;
    align-items: center;
    padding: 0 0 0 2px;
}

.bill-detail .center .more-icon {
    margin: 3px auto;
    width: 20px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bill-detail .center .more-icon .arrow-down {
    background: url("./svg/arrow-down.svg");
    width: 4px;
    height: 4px;
    background-size: contain;
}

.bill-detail .bottom {
    margin-top: 2px;
    background-color: white;
    border-radius: 2px;
    position: relative;
    padding: 2px;
}

.bill-detail .bottom h5 {
    font-size: 3px;
    font-weight: 400;
}

.bill-detail .bottom .contact {
    margin-top: 2px;
    display: grid;
    display: grid;
    grid-template-columns: 1fr 1fr;
    justify-content: space-between;
    align-items: center;
    padding: 0 0 0 2px;
}

.bill-detail .bottom .arrow-right {
    width: 5px;
    height: 5px;
    background: url("./svg/arrow-right.svg");
    background-size: contain;
    justify-self: end;
}

.bill-detail .bottom .kinds {
    margin-top: 2px;
    display: grid;
    display: grid;
    grid-template-columns: 1fr 1fr;
    justify-content: space-between;
    align-items: center;
    padding: 0 0 0 2px;
}

.bill-detail .bottom .daily {
    display: flex;
    justify-content: end;
    align-items: center;
}

.bill-detail .bottom .label {
    margin-top: 2px;
    display: grid;
    display: grid;
    grid-template-columns: 1fr 1fr;
    justify-content: space-between;
    align-items: center;
    padding: 0 0 0 2px;
}

.bill-detail .bottom .add {
    display: flex;
    justify-content: end;
    align-items: center;
}

.bill-detail .bottom .look-up {
    margin-top: 2px;
    display: grid;
    display: grid;
    grid-template-columns: 1fr 1fr;
    justify-content: space-between;
    align-items: center;
    padding: 0 0 0 2px;
}

.bill-detail .bottom .recipet {
    margin-top: 2px;
    display: grid;
    display: grid;
    grid-template-columns: 1fr 1fr;
    justify-content: space-between;
    align-items: center;
    padding: 0 0 0 2px;
}

.bill-detail .bottom .question {
    margin-top: 2px;
    display: grid;
    display: grid;
    grid-template-columns: 1fr 1fr;
    justify-content: space-between;
    align-items: center;
    padding: 0 0 0 2px;
}

.bill-detail .bottom .complain {
    margin-top: 2px;
    display: grid;
    display: grid;
    grid-template-columns: 1fr 1fr;
    justify-content: space-between;
    align-items: center;
    padding: 0 0 0 2px;
}

.case .server {
    width: 432px;
    padding: 10px 16px;
    margin: 0 auto;
    display: flex;
    flex-direction: row-reverse;
    align-items: center;
}

.case .server-profile {
    width: 50px;
    height: 50px;
    border-radius: 5px;
    background-image: url("./images/server.JPG");
    background-size: contain;
}

.case .triangle-server-chat {
    display: flex;
    align-items: center;
    margin-right: 3px;
}

.case .opposite-triangle {
    border-top: 5px solid transparent;
    border-left: 5px solid rgb(148, 235, 105);
    border-bottom: 5px solid transparent;
    border-right: 5px solid transparent;
    width: 9px;
    height: 9px;
}

.case .server-chat {
    font-size: 20px;
    padding: 12px 12px;
    background-color: rgb(148, 235, 105);
    border-radius: 5px;
}

.case .third-server-profile {
    align-self: flex-start;
    margin-left: 8px;
}

.case .transfer {
    display: block;
    width: 235px;
    height: 70px;
    border-radius: 8px;
    background-color: rgb(252, 224, 192);
    padding: 6px;

}

.case .done-icon-money {
    display: flex;
}

.case .done-icon {
    width: 40px;
    height: 40px;
    background: url("./svg/done.svg");
    background-repeat: no-repeat;
    background-size: contain;
}

.case .money {
    margin-left: 8px;
    width: 80px;
    height: 38px;
    text-align: start;
}

.case .money h5 {
    color: white;
    font-size: 14px;
    font-weight: 500;
}

.case .money h6 {
    color: white;
    font-size: 10px;
    font-weight: 300;
}

.case .transfer p {
    color: white;
    font-size: 10px;
    font-weight: 300;
    margin-top: 7px;
    margin-left: 4px;
    opacity: .9;
}

.case .opposite-triangle-transfer {
    border-left: 5px solid rgb(252, 224, 192);
    margin-bottom: 18px;
}

.case .case-profile {
    background-image: url("./images/huabei-client.JPG");
}


footer {
    width: 100%;
    height: 360px;
    background-color: #000000CC;
}

.footer-content {
    width: 1390px;
    height: 298px;
    margin: 0 auto;
    padding: 50px 0;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
}

.footer-content .logo {
    height: 50px;
    background: url("./svg/sharechat.svg");
    background-repeat: no-repeat;
    background-size: contain;
}

.footer-content p {
    margin-top: 40px;
    margin-bottom: 20px;
    color: white;
    font-size: 16px;
}

.share {
    display: flex;
}

.youtube {
    height: 30px;
    width: 30px;
    background: url("./svg/youtube.svg");
    background-repeat: no-repeat;
    background-size: contain;
}

.twitter {
    height: 30px;
    width: 30px;
    background: url("./svg/twitter.svg");
    background-repeat: no-repeat;
    background-size: contain;
    margin-left: 10px;
}

.facebook {
    height: 30px;
    width: 30px;
    background: url("./svg/facebook.svg");
    background-repeat: no-repeat;
    background-size: contain;
    margin-left: 10px;
}

.quick-link h5 {
    text-align: center;
    font-size: 18px;
    color: #F5F5F5;
    opacity: .8;
}

.quick-link a {
    text-align: center;
    font-size: 15px;
    color: #F5F5F5;
    display: block;
    text-decoration: none;
    margin-top: 6px;
    opacity: 0.7;
}

.quick-link a:hover {
    opacity: 1;
    text-decoration: underline;
    text-underline-offset: 4px;
}

.footer-right {
    justify-self: center;
}

.footer-right h5 {
    color: #F5F5F5;
    font-size: 18px;
    font-weight: 400;
    opacity: .8;
}

.footer-right h6 {
    color: #F5F5F5;
    font-size: 15px;
    font-weight: 400;
    opacity: .7;
    margin-top: 6px;

}

.add-webchat {
    margin: 10px 0;
    display: flex;
    width: 100px;
    height: 100px;
    background: url("./svg/webchat-qr.svg");
    background-color: white;
    background-repeat: no-repeat;
    background-size: contain;
    justify-content: center;
    align-items: center;
}

.webchat-logo {
    width: 28px;
    height: 28px;
    background: url("./svg/WeChat\ logo.svg");
    background-repeat: no-repeat;
    background-size: contain;
}

footer hr {
    border: 0.1px rgb(80, 80, 80) solid;
}

.copyright {
    font-size: 14px;
    color: #F5F5F5;
    opacity: .7;
    text-align: center;
    padding: 20px;
}

@media screen and (max-width: 767px) {
    header {
        height: 4.8rem;
        transition: background .36s cubic-bezier(0.32, 0.08, 0.24, 1),
            height .56s cubic-bezier(0.32, 0.08, 0.24, 1);
    }

    header .container {
        padding: 0;
    }

    .nav-list {
        margin-top: 0;
    }

    .nav-list-mobile{
        display: flex;
        padding: 0 15px;
    }

    .nav-item {
        width: 4.8rem;
        height: 4.8rem;
        display: flex;
        justify-content: center;
    }

    .nav-item-hidden {
        display: none;
    }

    .mobile-menu {
        position: relative;
        z-index: 1500;
        width: 100%;
        height: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        cursor: pointer;
    }

    .mobile-menu .line {
        position: absolute;
        width: 1.7rem;
        height: 1px;
        background-color: white;
        transition: margin-top .3192s cubiz-bezier(0.04, 0.04, 0.12, 0.96);
    }

    .mobile-menu .line-top {
        margin-top: 3px;
    }

    .mobile-menu .line-bottom {
        margin-top: -0.4rem;
    }

    .active .line-top {
        margin-top: 0;
        transform: rotate(45deg);
        transition: transform .3192s .1s cubic-bezier(0.04, 0.04, 0.12, 0.96);
    }



    .active .line-bottom {
        margin-top: 0;
        transform: rotate(-45deg);
        transition: transform .3192s .1s cubic-bezier(0.04, 0.04, 0.12, 0.96);
    }

    .active {
        height: 100%;
        background-color: #000;
    }

    .nav-link-apple {
        width: 1.8rem;
        height: 4.8rem;
        position: relative;
        z-index: 1500;
    }

    .nav-link-search {
        width: 1.6rem;
        height: 4.8rem;
        transition: opacity 3s;
    }

    .nav {
        position: relative;
    }

    .nav-link {
        font-size: 1.7rem;
        padding: 0;
        margin: auto 0;
    }

    .nav-list-larger {
        position: fixed;
        top: 0;
        left: 0;
        width: 0;
        height: 0;
        display: block;
        padding: 10.5rem 5rem;
        z-index: 1000;
        opacity: 0;
        box-sizing: border-box;
        transition: opacity;
    }

    .active .nav-list-larger {
        width: 100%;
        height: 100vh;
        opacity: 1;
    }

    .active .nav-link-search {
        opacity: 0;
        transition: opacity .3s;
    }

    .nav-list-larger .nav-item {
        width: 100%;
        justify-content: flex-start;
        border-bottom: 2px solid rgba(255, 255, 255, 0.1);
    }

    .nav-list-larger .nav-item:nth-child(8) {
        border-bottom: none;
    }

    .nav-list-larger .nav-item:nth-child(9) {
        border-bottom: none;
    }

    .nav-list-larger .nav-item:nth-of-type(2) {
        margin-left: 0;
    }

    .active .nav-list-larger .nav-item {
        animation: fadeIn 1s ease-in;
    }

    @keyframes fadeIn {
        from {
            opacity: 0;
        }

        to {
            opacity: 1;
        }

    }


    .huabei-hero {
        margin-top: 48px;
        height: 50vh;
        background: url("./images/huabei-background.jpg");
        background-size: cover;
        background-repeat: no-repeat;
        background-position: center;
    }

    .huabei-hero h1 {
        padding-top: 150px;
        font-size: 30px;
    }

    .huabei-hero h3 {
        font-size: 20px;
    }


    .introduce {
        width: 100vw;
        margin: 30px auto;
        padding: 0 20px;
    }

    .introduce h4 {
        font-size: 24px;
        font-weight: 500;
    }

    .introduce hr {
        margin: 5px 0;
    }

    .introduce .edit {
        color: #333333;
        font-size: 15px;
        line-height: 2.3;
        font-weight: 500;
    }

    .introduce .such-as {
        color: #333333;
        font-size: 15px;
        line-height: 2.3;
        font-weight: 500;
    }

    .introduce h5 {
        color: #444444;
        font-size: 15px;
        line-height: 2.3;
        font-weight: 500;
    }

    .introduce p {
        color: #333333;
        font-size: 14px;
        line-height: 1.7;
        font-weight: 400;
    }

    .introduce .tips {
        margin-top: 50px;
    }

    .introduce .tutorial {
        display: flex;
        align-items: center;
    }

    .introduce .zhifubao {
        width: 28px;
        height: 28px;
        background: url("./svg/huabei-zhifubao.svg");
        background-repeat: no-repeat;
        background-size: contain;
        margin-right: 5px;
    }

    .introduce .taobao {
        width: 28px;
        height: 28px;
        background: url("./svg/taobao.svg");
        background-repeat: no-repeat;
        background-size: contain;
        margin-right: 5px;
    }

    .introduce .pinduoduo {
        width: 24px;
        height: 24px;
        background: url("./svg/pingduoduo.svg");
        background-repeat: no-repeat;
        background-size: contain;
        margin-right: 9px;
    }

    .introduce .apple {
        width: 28px;
        height: 28px;
        background: url("./svg/apple.svg");
        background-repeat: no-repeat;
        background-size: contain;
        margin-right: 5px;
    }

    .introduce .process {
        color: #444444;
        font-size: 16px;
        line-height: 2.3;
        font-weight: 500;
    }

    .introduce li {
        color: #333333;
        font-size: 14px;
        line-height: 1.7;
        font-weight: 400;
        margin-left: 50px;
    }

    table {
        margin: 20px 0;
        font-size: 14px;
        min-width: 260px;
        border-radius: 4px 4px 0 0;
    }

    table th,
    td {
        padding: 10px 12px;
    }

    .huabei-iphone {
        width: 100vw;
        margin: 0 auto;
        padding: 20px;
    }

    .huabei-iphone h2 {
        color: #027FFF;
        font-size: 28px;
        padding: 20px;
        text-align: center;
    }

    .huabei-iphone .case-detail {
        display: grid;
        grid-template-columns: 1fr;
        grid-auto-rows: 498px;
        gap: 80px;
    }

    .case {
        height: 498px;
        padding: 0;
        overflow: hidden;
        margin-bottom: 100px;
        background-repeat: no-repeat;
        background-size: contain;
        border-radius: 0;
        border-top-left-radius: 32px;
        border-top-right-radius: 32px;

    }

    .case .client-chat {
        width: 320px;
        height: 390px;
        margin: 108px auto;
        background: url("./images/huabei-case.png");
        background-repeat: no-repeat;
        background-size: contain;
    }

    .case .mobile-top {
        display: none;
    }

    .case .webchat-top {
        display: none;
    }

    .case hr {
        display: none;
    }

    .case .client {
        display: none;
    }

    .case .server {
        display: none;
    }

    .right-tips {
        padding: 20px;
    }

    .right-tips p {
        color: #555555;
        font-size: 16px;
        font-weight: 300;
        margin-top: 80px;
    }

    .right-tips p:nth-of-type(2) {
        color: #555555;
        font-size: 16px;
        font-weight: 300;
        margin-top: 10px;
    }

    .right-tips h5 {
        color: #444444;
        font-size: 18px;
        font-weight: 500;
        margin-top: 10px;

    }

    .right-tips a {
        color: #027FFF;
        font-size: 18px;
        text-decoration: none;
        line-height: 3;
    }

    .right-tips a:hover {
        text-decoration: underline;
        text-underline-offset: 5px;
    }

    .right-tips .webchat-logo-text {
        display: flex;
        margin-top: 20px;
        align-items: center;
    }

    .right-tips .webchat-account {
        font-size: 18px;
        margin-left: 18px;
        font-weight: 400;
    }

    .right-tips .profile {
        width: 45px;
        height: 45px;
        background: url("./images/server.JPG");
        background-repeat: no-repeat;
        background-size: contain;
        border-radius: 50%;
    }

    .right-tips h5 {
        font-size: 16px;
        font-weight: 300;
    }






    footer {
        width: 100%;
        height: 420px;
        background-color: #000000CC;
    }

    .footer-content {
        width: 100vw;
        height: 350px;
        margin: 0 auto;
        padding: 20px 0;
        display: grid;
        grid-template-columns: 1fr;
    }

    .footer-content .logo {
        height: 30px;
        width: 30px;
        margin: 0 auto;
        background: url("./svg/sharechat.svg");
        background-repeat: no-repeat;
        background-size: contain;
    }

    .footer-content p {
        margin-top: 10px;
        margin-bottom: 0px;
        color: white;
        font-size: 14px;
        text-align: center;
    }

    .footer-center {
        display: none;
    }

    .share {
        display: none;
    }

    .quick-link {
        display: none;
    }

    .footer-right {
        display: block;
        justify-self: center;
        align-items: center;
    }

    .footer-right h5 {
        display: none;
        color: #F5F5F5;
        font-size: 18px;
        font-weight: 400;
        opacity: 1;
    }

    .footer-right h6 {
        color: #F5F5F5;
        font-size: 15px;
        font-weight: 400;
        opacity: 1;
        margin-top: 6px;

    }

    .add-webchat {
        margin: 10px 0;
        display: flex;
        width: 120px;
        height: 120px;
        background: url("./images/server-webchat.png");
        background-color: white;
        background-repeat: no-repeat;
        background-size: contain;
        justify-content: center;
        align-items: center;
    }

    .webchat-logo {
        display: none;
        width: 28px;
        height: 28px;
        background: url("./svg/WeChat\ logo.svg");
        background-repeat: no-repeat;
        background-size: contain;
    }

    footer hr {
        border: 0.1px rgb(80, 80, 80) solid;
    }

    .copyright {
        font-size: 14px;
        color: #F5F5F5;
        opacity: .7;
        text-align: center;
        padding: 20px;
    }
}