@media screen and (max-width:640px) {

    .mobile {
        display: block !important;
        color: #fff;
    }

    .nav-container,
    .nav-item {
        margin-left: 0rem;
    }

    .mobile .fixed-bg {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background:  no-repeat;
        background-size: cover;
        z-index: 0;
    }

    .logo-mb {
        height: 1rem;
    }

    .mobile .fixed-bg:after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 100%;
        height: 35vh;
        background-size: cover;
        z-index: 1;
    }

    .fixed-decoration {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        z-index: 0;
    }

    .mobile .fixed-header {
        position: absolute;
        left: 0;
        top: .15rem;
        width: 100%;
        box-sizing: border-box;
        height: 1.51rem;
        padding: 0 0.37rem;
        display: flex;
        justify-content: center;
        align-items: center;
        z-index: 9;
    }

    .mobile .fixed-header .left {
        display: flex;
        font-size: 0.4rem;
        align-items: center;
    }

    .mobile .fixed-header .left .title {
        font-weight: normal;
        font-size: 0.36rem;
        line-height: 1.7;
    }

    .mobile .fixed-header .left .slogn {
        font-size: 0.24rem;
        color: rgba(255, 255, 255, 0.9);
        letter-spacing: 1px;
    }

    .mobile .fixed-header .left .logo {
        width: 1.4rem;
        height: 1.4rem;
        margin-right: 0.19rem;
    }

    .mobile .fixed-header .left .logo-txt {
        height: 1rem;
        margin-right: 0.19rem;
    }

    .mobile .fixed-header .right {
        display: block;
        color: #fff;
        padding: 0.19rem 0.57rem;
        border-radius: 0.35rem;
        font-size: 0.32rem;
        line-height: 0.24rem;
        background-color: rgba(254, 254, 254, 0.3);
    }

    .mobile .fixed-footer {
        z-index: 2;
        position: absolute;
        left: 0;
        bottom: 0;
        width: 100%;
        box-sizing: border-box;
        font-size: 0.24rem;
        /* background: linear-gradient(rgba(58,42,42,0),rgba(58,42,42,1) 30%,rgba(58,42,42,1)); */
        pointer-events: none;
        text-align: center;
        background-size: 100% 100%;
    }

    .set-up-tip {
        text-align: center;
        align-items: center;
        justify-content: center;
        pointer-events: auto;
        line-height: 2;
        display: grid;
        padding-top: .2rem;
    }

    .set-up-tip img {
        /* width: 100%; */
        height: .4rem;
        padding-bottom: .1rem;
    }

    .mobile .btn-box {
        display: flex;
        align-items: center;
        justify-content: center;
        pointer-events: auto;
        padding-bottom: .2rem;
    }

    .mobile .btn-box img {
        width: 100%;
    }

    #fullpage_mb {
        width: 100vw;
        height: 100%;
    }


    .mobile .subject {
        font-size: 2.5vh;
        color: #fef333;
        font-weight: bold;
        text-align: center;
        /* padding-bottom: 1vh; */
    }

    .mobile .subject img {
        width: 90%;
    }

    .mobile .main-wrap {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
        align-content: center;
        flex-wrap: wrap;
        text-align: center;
    }

    .mobile .main-inner {
        padding-top: 1.5rem;
    }

    .section .main .center {
        display: flex;
        justify-content: center;
        /* max-height: 60vh; */
        overflow: hidden;
        /* margin-bottom: -6vh; */
    }

    .mobile .phone {
        display: inline-block;
        position: relative;
        min-width: 1px;
        z-index: 1;
        background-size: 100%;
    }

    .phone-wrap {
        pointer-events: none;
    }

    .mobile .phone .phone-content {
        display: inline-block;
        min-width: 1px;
        width: 4rem;
        z-index: 10;
    }

    .android-doc-btn {
        pointer-events: auto;
        text-align: center;
        color: #f1f1f1;
    }

    .tips {
        text-align: center;
        padding-bottom: .2rem;
    }

    .tips img {
        width: 100%;
    }

    .section.active .ts-left {
        animation: 0.75s left 0.3s both;
    }

    header {
        /* padding: .25rem; */
        position: fixed;
        z-index: 11;
        justify-content: space-between;
        right: 0;
        display: flex;
        width: 100%;
        background-size: 100% 100%;
    }

    .nav-item img {
        /* width: .8rem; */
        /* height: 1.2rem; */
        margin-left: .2rem;
    }

    #fp-nav {
        top: 35% !important;
    }

    #fp-nav.right {
        right: 10px !important;
    }

    @keyframes left {
        from {
            transform: translateX(80%)
        }

        to {
            transform: translateX(0)
        }
    }

    .section.active .ts-fade {
        animation: 0.75s fade 0.8s both;
    }

    @keyframes fade {
        from {
            opacity: 0
        }

        to {
            opacity: 1
        }
    }

    .section.active .ts-rotation1 {
        animation: 0.6s rotation1 0.6s both;
        transform-origin: bottom;
    }

    /* cover fullpage */
    #fp-nav.right {
        right: 10px;
    }

    #fp-nav ul li,
    .fp-slidesNav ul li {
        height: auto;
        margin: 9px;
    }

    #fp-nav ul li a,
    .fp-slidesNav ul li a {
        display: contents;
    }

    #fp-nav ul li a span,
    .fp-slidesNav ul li a span {
        position: relative;
        display: block;
        background: #fff;
        font-size: 0;
        text-indent: -1000px;
        width: 9px;
        height: 9px;
        margin: 0 !important;
        border: 1px solid transparent;
    }

    #fp-nav ul li a.active span,
    #fp-nav ul li:hover a.active span,
    .fp-slidesNav ul li a.active span,
    .fp-slidesNav ul li:hover a.active span {
        /* background: rgb(248 62 123); */
        border-color: #fff;
    }

    #fp-nav ul li a span.fp-sr-only,
    .fp-slidesNav ul li a span.fp-sr-only {
        position: absolute;
    }

    #fp-nav ul li a.active span,
    #fp-nav ul li:hover a.active span,
    .fp-slidesNav ul li a.active span,
    .fp-slidesNav ul li:hover a.active span {
        height: 30px;
        width: 9px;
        margin: -6px 0 0 -6px;
        border-radius: 9px;
    }

    #ios-mask {
        display: none;
        width: 100vw;
        height: 100vh;
        background-color: rgba(0, 0, 0, .3);
        position: fixed;
        top: 0;
        left: 0;
    }

    #ios-mask .modal {
        width: 80vw;
        height: 20vh;
        position: absolute;
        left: 10vw;
        top: 30vh;
        background-color: #1ab3fa;
        border-radius: 20px;
    }

    #ios-mask .modal .close {
        position: absolute;
        top: 10px;
        right: 10px;
        width: 35px;
        height: auto;
    }

    #ios-mask .modal .content {
        padding: 20px 30px;
        display: flex;
        align-items: center;
    }

    #ios-mask .modal .content h2 {
        margin: 0;
        color: #fff;
        font-weight: 500;
    }

    #ios-mask .modal .content p {
        margin: 0 0 10px 0;
        color: #fff;
    }

    #ios-mask .modal img {
        width: 50px;
        height: 50px;
        margin-right: 20px;
    }

    #ios-mask .modal .copy {
        width: 100%;
        height: 90px;
        border-bottom-right-radius: 20px;
        border-bottom-left-radius: 20px;
        background-color: #fff;
        overflow: hidden;
    }

    #ios-mask .modal .address {
        width: 65vw;
        height: 50px;
        border-radius: 25px;
        overflow: hidden;
        margin: 0 auto;
        background-color: #f4f4f4;
        display: flex;
        margin-top: 20px;
    }

    #ios-mask .modal .address span:nth-of-type(1) {
        display: block;
        width: 80%;
        line-height: 50px;
        padding-left: 10px;
        box-sizing: border-box;
    }

    #ios-mask .modal .address span:nth-of-type(2) {
        display: block;
        width: 20%;
        text-align: center;
        line-height: 50px;
        background-color: #3b8df9;
        color: #fff;
    }

}

@media screen and (max-width:480px) {
    header {
        padding: .25rem;
    }

    .nav-item img {
        height: 1rem;
    }

    .feedback-icon {
        position: fixed;
        bottom: 1.5rem;
        right: 5%;
        z-index: 9;
        text-align: center;
        align-items: center;
        justify-content: center;
        pointer-events: auto;
        line-height: 2;
        display: grid;
        padding-top: .2rem;
    }

    .feedback-icon img {
        height: 1.5rem;
    }

    .mobile .subject img {
        width: 90%;
        padding-top: 1.5rem;
    }

    .center img {
        width: 90%;
        margin-bottom: 1rem;
    }
}

@media screen and (max-width:320px) {
    .mobile .fixed-header .left .logo {
        width: 1rem;
        height: 1rem;
    }

    .mobile .fixed-header {
        top: 0;
    }

    .mobile .fixed-header .left .logo-txt {
        height: .8rem;
    }

    .mobile .subject img {
        width: 80%;
        padding-top: 1.5rem;
    }

    .center img {
        width: 70%;
        margin-bottom: 2.5rem;
    }
}


.overlay {
    position: fixed;
    width: 100%;
    height: 100vh;
    top: 0;
    left: 0;
    display: none;
    background-color: rgba(0, 0, 0, .8);
    z-index: 1000;
}

.popup {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    left: 50%;
    width: 100%;
    text-align: center;
}
.desc {
    text-align: center;
    position: relative;
}

.desc img{
    width: 80%;
}

.link-btn{
    position: absolute;
    bottom: 0.5rem;
    left: 50%;
    margin-left: -1.15rem;
}

.link-btn img{
    width: 2.3rem;
    height: 0.6rem;
}

.close {
    text-align: center;
}

.close img {
    width: 10%;
    padding-bottom: 0.5rem;
}

.popup__h2 {
    text-align: center;
}