.flex {
    display: flex;
}

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

.desktop {
    color: #fff;
    background-color: #fff;
}

.desktop .fixed-bg {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
}

/* new adjustment */
header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 1;
    padding: 2.5rem 3.5rem 0rem 3.5rem;
    /* padding-top: 1rem; */
    box-sizing: border-box;
    position: fixed;
    z-index: 9;
    right: 0;
    width: 100vw;
}

header div {
    margin: 0;
    color: white;
}

.logo {
    height: 5.5vw;
}

.title {
    height: 6vw;
    margin-bottom: 1rem;
}

.nav-container,
.nav-item {
    display: flex;
    flex-direction: row;
    align-items: center;
    margin-left: 2rem;
}

.nav-item img {
    max-width: 100%;
    /* width: 12rem; */
    display: block;
    height: 3vw;
}

.desktop .fixed-main {
    position: absolute;
    left: 5%;
    display: flex;
    justify-content: center;
    z-index: 99;
    bottom: 7rem;
}

.cont {
    margin-top: 1rem;
}

.info-activity {
    display: flex;
}

.title_ img,
.txt_ img {
    height: 7rem;
    /* margin-bottom: -.8rem; */
}

.text-img {
    text-align: center;
}

.text-img img {
    height: 5rem;
    padding: .5rem;
    margin-top: .2rem;
}

.desktop .fixed-main .layout-right {
    margin-bottom: 5%;
}

.desktop .section {
    background-size: cover;
    background-position: center;
    text-align: center;
    overflow: hidden;
}

.desktop .layout {
    display: flex;
    justify-content: center;
    align-items: center;
}

.desktop .layout.col {
    flex-direction: column;
}

.desktop .layout-bottom {
    margin-top: 4vh;
}

.desktop .contact-area {
    display: flex;
    justify-content: center;
}

.app-area {
    text-align: center;
    display: inline-grid;
    align-items: center;
}

.desktop .brand {
    align-items: center;
}

.desktop .brand .logo {
    height: 8rem;
    margin-right: 2.2vh;
}

.desktop .brand .logo-txt img {
    height: 6rem;
    /* align-items: center; */
    vertical-align: middle;
}

.desktop .brand .app-name {
    font-size: 3.3vh;
    margin-bottom: 1vh;
}

.desktop .brand .app-slogn {
    font-size: 2.8vh;
}

.desktop .subject {
    margin-top: 3vh;
    margin-bottom: 3vh;
    color: #fff;
    font-size: 3vh;
    text-align: left;
    transition: 0.2s opacity;
    width: auto;
    height: 5vh;
    position: relative;
}

.desktop .qrcode-warp {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 5;
}

.qrcode {
    background-image: url("../img/uc-bg.webp");
    padding: 1rem;
    background-size: 100% 100%;
    height: 16.3rem;
}

.qr {
    padding: 1.2rem;
    width: 11.5rem;
}

.qr img {
    width: 11.5rem !important;
    height: 11.5rem !important;
}

.desktop .qrcode-warp img {
    width: 100%;
    height: 100%;
}

.desktop .qrcode-warp .qrcode .qrcode-logo {
    width: 15%;
    height: 15%;
    padding: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
}

.desktop .qrcode-warp.animation {
    animation-name: shadow;
    animation-duration: 0.5s;
    animation-iteration-count: 2;
}

.txt-qr {
    font-size: 1.2rem;
}

.desktop .section {
    background: url("../img/pc-bg.webp") no-repeat;
    background-size: cover;
    /* position: fixed; */
}

.desktop .section .app {
    height: 100vh;
    /*transition: 0.55s transform ease-in-out 0.30s;*/
    /*transform: translateY(400px);*/
    position: relative;
    display: flex;
    /* align-items: flex-end; */
    width: 100%;
    /* margin-left: 20vh; */
}

.desktop .section .app .txt-slider {
    width: 50%;
    text-align: center;
}

.desktop .section .app .txt-slider img {
    width: 90%;
    position: relative;
    top: 25%;
}

.desktop .section .app .img-slider {
    width: 50%;
    position: absolute;
    right: 0;
    bottom: 0;
}

.desktop .section .app .img-slider img {
    /* width: 90%; */
    height: 95vh;
}

.desktop .section .app .section-title {
    position: absolute;
    left: 73%;
    top: 34%;
    width: 49vh;
}

.desktop .section.active .app .section-title {
    animation: 0.7s sectionTile 0.2s both;
    transform-origin: left bottom;
}

.desktop .section.section2 .app .section-title {
    position: absolute;
    left: 73%;
    top: 37%;
    width: 49vh;
}

.desktop .section.section3 .app .section-title {
    position: absolute;
    left: 78%;
    top: 41%;
    width: 49vh;
}

/* ---------- section2 --------- */
.desktop .section.section2 .app img.main-img {
    /* height: 85vh;
    margin-bottom: -18%; */
}

/* ---------- section3 --------- */
.desktop .section.section3 .app img.main-img {
    /* height: 85vh;
    margin-bottom: -18%; */
}

/* ---------- section4 --------- */
.desktop .section.section5 .app img.main-img {
    /* height: 75vh;
    margin-bottom: 0; */
}

.desktop .section.section1.active .app .txt-slider img.main-img {
    animation: 0.4s scale 0.3s both;
}

/* .desktop .section.section1.active .app .img-slider img.main-img {
    animation: 0.4s scale 0.3s both;
} */

.desktop .section.section2.active .app .txt-slider img.main-img {
    animation: 0.4s scale 0.3s both;
}

/* .desktop .section.section2.active .app .img-slider img.main-img {
    animation: 0.4s scale 0.3s both;
} */

.desktop .section.section3.active .app .txt-slider img.main-img {
    animation: 0.4s scale 0.3s both;
}

.desktop .section.section4.active .app .txt-slider img.main-img {
    animation: 0.4s scale 0.3s both;
}


/* 动画 */

@keyframes shadow {
    0% {
        box-shadow: 0 0 10px rgb(249, 61, 115);
    }

    50% {
        box-shadow: 0 0 30px rgb(249, 61, 115);
    }

    100% {
        box-shadow: 0 0 10px rgb(249, 61, 115);
    }
}

@keyframes sectionTile {
    0% {
        transform: rotate(10deg) scale(0);
    }

    40% {
        transform: rotate(10deg) scale(1);
    }

    100% {
        transform: rotate(0deg) scale(1);
    }
}

@keyframes scale {
    0% {
        transform: scale(0);
    }

    100% {
        transform: scale(1);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0
    }

    to {
        opacity: 1
    }
}

@keyframes fadeScaleIn {
    from {
        transform: scale(0);
        opacity: 0
    }

    to {
        transform: scale(1);
        opacity: 1
    }
}

@keyframes rotation1 {
    from {
        transform: rotate(15deg)
    }

    to {
        transform: rotate(0deg)
    }
}

.rotation.rotation1 {
    transform: rotate(15deg);
    transform-origin: bottom;
}

.rotation.rotation2 {
    transform: rotate(-9deg);
    transform-origin: bottom;
}

.rotation.rotation3 {
    transform: rotate(15deg);
    transform-origin: bottom;
}

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

/*#fp-nav {*/
/*    top: 25% !important;*/
/*}*/
#fp-nav ul li,
.fp-slidesNav ul li {
    height: auto;
}

#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(255, 255, 255);
    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: 35px;
    width: 9px;
    margin: -6px 0 0 -6px;
    border-radius: 11px;
}

#fp-nav ul li,
.fp-slidesNav ul li {
    margin: 14px;
}


@media screen and (max-width: 980px) {
    .logo {
        height: 8.5vw;
    }

    .qrcode {
        background-image: url("../img/uc-bg.webp");
        padding: 1rem;
        background-size: 100% 100%;
        height: 11.8rem;
    }

    .qr {
        padding: 1rem;
        width: 8rem;
    }

    .qr img {
        width: 8rem !important;
        height: 8rem !important;
    }

    .title_ img,
    .txt_ img {
        height: 5rem;
    }

    .text-img img {
        height: 3.8rem;
    }
}