html {
    font-size: 1vw;
}

body {
    margin: 0px;
    padding: 0px;
    border: 0px;
    /*
    width: 100%;
    height: 100vh;
    overflow: visible;
    */
    font-family: sans-serif;
    --w_content: 60vw;
}

p, i {
   margin: 0px;
   border: 0px;
   padding: 0px;
   text-align: justify;
}

img {
    width: 100%;
    user-select: none;
    margin: 0px;
    padding: 0px;
    border: 0px;
    -webkit-user-drag: none;
    transition: all 1s;
}

a, a:active, a:visited {
    color: black;
    text-decoration: none;
    user-select: none;
    padding: 0px;
    display: flex;
    justify-content: center;
    align-items: center;
}

a:hover{
    cursor: pointer;
    color: gray;
}

.sgt-flex {
    display: flex;
    width: 100%;
    margin: 0px;
    padding: 0px;
    border: 0px;
    flex-flow: row wrap;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
    transition: all 1s;
}

.sgt-container {
    display: none;
    width: 100%;
    flex-flow: column wrap;
}

.sgt-content {
    width: var(--w_content);
    justify-content: space-around;
    position: relative;
    overflow: hidden;
    padding: 0px;
    background-color: transparent;
    z-index: 0;
}

.sgt-loading {
    width: 100%;
    height: 100vh;
}

.sgt-loading-dot {
    width: 3vw;
    height: 3vw;
    border-radius: 50%;
    animation: sgt-beat-heart 1s infinite;
    background-color: lightgray;
    margin: 1vw;
}

@keyframes sgt-beat-heart {
    0% { transform: scale(1) }
    50% { transform: scale(1.2) }
    100% { transform: scale(1) }
}

.sgt-banner {
    width: 100%;
    margin: 0px;
    padding: 0px;
    border: 0px;
}

.sgt-banner-box {
    width: 100%;
    height: 100vh;
    margin: 0;
    padding: 0px;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.sgt-left-fade {
    opacity: 0.2;
    transform: translateX(-100%);
}

.sgt-right-fade {
    opacity: 0.2;
    transform: translateX(100%);
}

.sgt-fade {
    opacity: 0.2;
}

.sgt-center-fade {
    transform: scale(0.0);
    opacity: 0.0;
}

.sgt-fadein {
    animation: sgt-fadein-frames;
    animation-duration: 2s;
}

@keyframes sgt-fadein-frames{
    0% {
        opacity: 0.1;
    }
    100% {
        opacity: 1;
    }
}

.now-tab {
    border-bottom: 1px solid black;
}

.sgt-nav-phone {
    width: 100%;
    position: fixed;
    top: 0px;
    bottom: 0px;
    z-index: 20;
    box-shadow: none;
    background-color: transparent;
    color: gray;
    transition: all .5s;
    height: 3rem;
}

.sgt-nav-phone-show {
    background-color: white;
    height: 12rem;
}

.sgt-nav-phone-top-not-transparent {
    background-color: white;
}

.sgt-nav-phone-top{
    width: 100%;
    justify-content: space-between;
    height: 3rem;
}

.sgt-nav-phone-bottom {
    height: 9rem;
    width: 100%;
    flex-flow: column;
    font-size: 1.2rem;
    line-height: 2rem;
    color: gray;
}

.sgt-nav-phone-top img {
    max-height: 1.5rem;
    width: auto;
    padding: 0.5rem;
}

.sgt-nav-phone-top i {
    font-size: 1.5rem;
    padding: 0.5rem;
}

.sgt-nav-phone-bottom a {
    color: gray;
}

.sgt-nav-wrapper {
    margin: 0px;
    padding: 0px;
    border: 0px;
    height: 6vh;
    width: 100%;
    position: fixed;
    top: 0px;
    left: 0px;
    z-index: 20;
    background-color: transparent;
    box-shadow: none;
}

.sgt-nav-not-transparent {
    background-color: white;
    box-shadow: 0 1px 20px 1px rgba(128,128,128,0.5);
}

.sgt-nav {
    margin: 0px;
    padding: 0px;
    border: 0px;
    justify-content: space-between;
    height: 100%;
}

.sgt-nav-item {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 2rem;
    border: 0px;
    border-bottom: 2px solid transparent;
}

.sgt-nav-item:hover{
    cursor: pointer;
}

.sgt-nav img {
    max-height: 1.5rem;
    width: auto;
    height: auto;
}

.now-tab {
    border-bottom: 2px solid gray;
}

.sgt-qr {
    display: none;
    position: fixed;
    height: 8vw;
    width: 8vw;
    padding: 2px;
    margin: 1px;
    background-color: white;
    z-index: 20;
}

.sgt-go-top-panel {
    display: none;
    position: fixed;
    right: 3vw;
    bottom: 3vw;
    z-index: 20;
    font-size: 6rem;
    color: lightgray;
    transition: all 1s;
}

.sgt-go-top-panel:hover {
    color: gray;
}

.sgt-introduction {
    font-size: 1rem;
}

.sgt-introduction .text-wrapper {
    position: absolute;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0, 0.4);
    flex-flow: column wrap;
    align-items: flex-start;
    opacity: 0;
    transition: all .5s;
}

.sgt-introduction .text-wrapper:hover {
    opacity: 1;
}

.sgt-introduction .title {
    color: white;
    justify-content: flex-start;
    font-size: 2em;
    width: 5em;
    border-bottom: 1px solid white;
    margin-left: 10%;
    margin-top: 2%;
}

.sgt-introduction .text {
    margin: 1rem 10% 8% 10%;
    width: 80%;
    color: white;
    justify-content: flex-start;
    font-size: 1em;
    line-height: 1.7em;
}

.sgt-abstract {
}

.sgt-abstract img {
    width: 60%;
    margin: 1rem 0 1rem 0;
    z-index: 2;
}

.sgt-abstract .text {
    width: 40%;
    margin: 1rem 0 1rem 0;
    z-index: 2;
}

.sgt-abstract .text .title {
    width: 80%;
    font-size: 1.2rem;
    padding: 0 0 0.8rem 0;
    justify-content: flex-start;
    font-weight: bold;
}

.sgt-abstract .text .info {
    width: 80%;
    font-size: 0.8rem;
    color: gray;
    background-color: white;
    line-height: 1.7rem;
}

.sgt-abstract .text .button-wrap {
    width: 80%;
    justify-content:flex-start;
}

.sgt-abstract .text .button {
    width: auto;
    line-height: 1.2rem;
    margin-top: 0.5em;
    border: 1px solid lightgray;
    justify-content:center;
    font-size:0.8rem;
    color: gray;
    transition: all .1s;
}

.sgt-abstract .text .button p {
    padding: 0.4em 1.2em 0.4em 1.2em;
}

.sgt-abstract .text .button:hover {
    background-color:dimgray;
    color: white;
    cursor: pointer;
}

.sgt-advantage .sgt-advantage-content .sgt-hline {
    background-color: white;
    z-index: 10;
    height: 1vh;
}

.sgt-advantage .sgt-advantage-content .sgt-vline {
    background-color: white;
    z-index: 10;
    width: 1vh;
}

.sgt-advantage .sgt-advantage-content {
    border: 0px;
    font-size: 1rem;
}

.sgt-advantage .wrapper { 
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0px;
    left: 0px;
}

.sgt-advantage .item-wrapper {
    width: 25%;
    height: 50%;
    color: white;
    background-color: rgba(0,0,0, 0.5);
    transition: all 2s;
}

.sgt-advantage .item {
    position: absolute;
    top: 0px;
    left: 0px;
    width: 100%;
    height: 200%;
    transition: all .5s;
}
.sgt-advantage .item:hover {
    transform: translateY(-50%);
}

.sgt-advantage .title {
    width: 100%;
    height: 50%;
    flex-flow: column wrap;
}

.sgt-advantage .info {
    width: 100%;
    height: 50%;
}

.sgt-advantage .title i {
    font-size: 3em;
}

.sgt-advantage .title p {
    margin: 1em 0 0 0;
    font-size: 1em;
}

.sgt-advantage .info p {
    font-size: 0.8em;
    line-height: 2em;
    width: 80%;
}

.sgt-product {
}

.sgt-product-item {
    width: 100%;
    margin: 2vh 0 2vh 0;
}

.sgt-product-item .icon-wrapper {
    width: 5%;
    z-index: 3;
    background-color: white;
    height: 2.5rem;
}

.sgt-product-item .circle-icon {
    height: 1rem;
    width: 1rem;
    border: 2px solid lightgray;
    border-radius: 50%;
    animation: sgt-beat-heart 1s infinite;
}

.sgt-product-item .left-wrapper {
    width: 25%;
    z-index: 4;
}

.sgt-product-item .right-wrapper {
    width: 70%;
}

.sgt-product-item .left {
    width: 80%;
    flex-flow: column;
    font-weight: bold;
    margin-top: 0.3rem;
    font-size: 1.3rem;
}

.sgt-product-item .right {
    width: 90%;
    background-color: rgb(248,249,250);
    box-shadow: 0px 0px 15px 1px rgba(128,128,128, 0.5);
    margin: 15px;
    padding: 1rem 0 1rem 0;
}

.sgt-product-item .right .title {
    width: 100%;
    padding: 0 0 1rem 0;
    font-size: 1rem;
}
/*
.sgt-product-item .right .title p {
    font-size: 1rem;
}
*/
.sgt-product-item .right .text {
    width: 100%;
    color: gray;
    font-size: 0.7rem;
    line-height: 1.2rem;
}

.sgt-product-item .right .text p{
    text-align: center;
}

.sgt-product-item .right img {
    width: 50%;
}

.sgt-product-item .right .top {
    width: 90%;
    justify-content: space-around;
    align-items: flex-start;
}

.sgt-product-item .right .top .box {
    width: 33%;
    margin-bottom: 1rem;
}

.sgt-product-item .right .bottom {
    margin-top: 10px;
    width: 90%;
}

.sgt-title-wrapper {
    margin: 0px;
    padding: 1vh 0 1vh 0;
}

.sgt-title {
    margin: 2vh 0 2vh 0;
    padding: .5rem 0 .5rem 0;
    height: 100%;
    background-color: gray;
    color: white;
    width: 35%;
    z-index: 10;
    font-size: 3rem;
    font-weight: bold;
}

.sgt-subtitle {
    padding: 1vh 0 1vh 0;
    background-color: transparent;
    font-size: 2rem;
    color: black;
    font-weight: bold;
    /*
    padding: 2rem 0 0 0;
    */
}

.sgt-title p {
    transition: all 1s;
}

.sgt-title p:hover {
    transform: scale(1.1);
}

.sgt-hline {
   position: absolute;
   left: 0%;
   top: 0%;
   height: 2px;
   width: 100%;
   background-color: lightgray;
   z-index: 1;
}

.sgt-vline {
   position: absolute;
   left: 0%;
   top: 0%;
   height:100%; 
   width: 2px;
   background-color: lightgray;
   z-index: 1;
}

.sgt-about {

}

.sgt-about-bkg {
}

.sgt-about-box {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0px;
    top: 0px;
}

.sgt-about-wrapper {
    width: 75%;
    background-color: rgb(255,255,255);
    box-shadow: 0 1px 20px 1px rgba(128,128,128,0.5);
}

.sgt-about-wrapper img {
    width: 50%;
}

.sgt-about-wrapper .info {
    width: 50%;
}

.sgt-about-wrapper .title  {
    width: 80%;
    justify-content: flex-start;
    margin: 0.5rem;
    font-weight: bold;
}

.sgt-about-wrapper .text {
    width: 80%;
    justify-content: flex-start;
    font-size: 0.6rem;
    color: gray;
    margin: 0 0 1rem 0;
    line-height: 1rem;
}

.sgt-about-wrapper .contact {
    width: 80%;
    justify-content: flex-start;
    margin: 0.3rem 0 0.3rem 0;
}

.sgt-about-wrapper .contact i {
    font-size: 1.2rem;
    width: 2rem;
}

.sgt-about-wrapper .contact p {
    width: 80%;
    font-size: 0.6rem;
    color: gray;
}

.sgt-about-wrapper .wechat-wrapper {
    width: 80%;
    margin: 1.5rem 0 0.3rem 0;
    justify-content: space-between;
}

.sgt-about-wrapper .wechat {
    width: 25%;
    flex-flow: column;
    justify-content: flex-start;
    color: gray;
    font-size: 0.6rem;
}

.sgt-about-wrapper .wechat img {
    width: 100%;
}

.sgt-solution .sol-title {
    width: 100%;
    font-size: 2rem;
    margin: 0.5rem;
    font-weight: bold;
}

.sgt-solution .sol-snap-title {
    margin: 4rem 0 0.5rem 0;
}

.sgt-solution .sol-subtitle {
    width: 100%;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 2rem 0 1.5rem 0;
}

.sgt-solution .sol-sys-snap-title {
    margin-top: 0px;
    transform: translateY(200%);
}

.sgt-solution .sol-text {
    width: 80%;
    font-size: 0.8rem;
    line-height: 1.7rem;
    padding: 1rem;
    z-index: 2;
    background-color: white;
    color: gray;
    word-break:break-all;
}

.sgt-solution .advantage {
    width: 100%;
    z-index: 2;
    align-items: stretch;
    background-color: white;
}

.sgt-solution .advantage .left {
    width: 30%;
}

.sgt-solution .advantage .middle {
    width: 40%;
}

.sgt-solution .advantage .right {
    width: 30%;
}

.sgt-solution .advantage .row {
    width: 100%;
    align-items: flex-start;
    justify-content: flex-start;
    height: 7rem;
}

.sgt-solution .advantage .row .icon-wrapper {
    width: 20%;
    font-size: 1.5rem;
    color: blueviolet;
}

.sgt-solution .advantage .text {
    width: 80%;
    justify-content: flex-start;
    margin: 0px;
    padding: 0px;
    border: 0px;
}

.sgt-solution .advantage .text .title {
    width: 100%;
    font-size: 1rem;
    margin: 0 0 0.5rem 0;
    padding: 0px;
    color: blueviolet;
}

.sgt-solution .advantage .text .info {
    width: 100%;
    margin: 0;
    padding: 0px;
    font-size: 0.8rem;
    line-height: 1.5rem;
    color: gray;
}

.sgt-solution .sys {
    width: 80%;
    z-index: 2;
    margin: 1vh 0 1vh 0;
    padding: 0px;
    font-size: 1rem;
}

.sgt-solution .sys .row {
    width: 100%;
    overflow: visible;
    font-size: 1em;
}

.sgt-solution .sys .item {
    width: 33.3333%;
    align-items: stretch;
    font-size: 1em;
}

.sgt-solution .sys .img-wrapper {
    width: 30%;
}

.sgt-solution .sys .img-wrapper img {
    width: 90%;
}

.sgt-solution .sys .cloud .img-wrapper {
    width: 100%;
}

.sgt-solution .sys .text {
    width: auto;
    padding: 0 0 0 5%;
    margin: 0px;
    border: 0px;
    flex-flow: column nowrap;
    align-items: flex-start;
    background-color: transparent;
    font-size: 1em;
}

.sgt-solution .sys .text .title {
    width: auto;
    margin: 0px;
    border: 0px;
    padding: 0px;
    font-size: 1em;
    color: blueviolet;
    line-height: 1.5em;
    justify-content: flex-start;
}

.sgt-solution .sys .text .subtitle {
    width: auto;
    margin: 0px;
    border: 0px;
    padding: 0px;
    font-size: 0.8em;
    color: gray;
    justify-content: flex-start;
    line-height: 1.5em;
}

.sgt-solution .sys .text .info {
    width: auto;
    margin: 0px;
    border: 0px;
    padding: 0px;
    flex-flow: column nowrap;
    justify-content: flex-start;
    align-items: flex-start;
    font-size: 0.9em;
    line-height: 1.5em;
}

.sgt-solution .sys .text .info .row {
    width: auto;
    margin: 0px;
    border: 0px;
    padding: 0px;
    justify-content: flex-start;
    font-size: 0.8em;
    color:gray;
}

.sgt-solution .sys .text .info .subinfo p {
    font-size: 0.9em;
    color: lightblue;
}

.sgt-solution .sys .text .icon-circle {
    margin-right:0.2em;
    height:0.3em;
    width:0.3em;
    border-radius:50%;
    background-color: blueviolet;
    /*
    border:1em solid blueviolet;
    border-radius:50%;
*/
}
/*
.sgt-solution .sys .text i {
    font-size: 0.3em;
    margin-right: 0.3em;
}
*/

.sgt-solution .sys .arrow-wrapper {
    font-size: 2em;
    color: blueviolet;
/*    color: CornflowerBlue;*/
    z-index: 3;
    animation: arrow-wrapper-frame 5s infinite;
}

.sgt-solution .sys .arrow-row {
}

.sgt-solution .sys .arrow-col {
    position: absolute;
    width: auto;;
    height: 100%;
    top: 0px;
    left: 0px;
    overflow: visible;
}

.sgt-solution .sys .arrow-col .arrow-wrapper {
    transform: translateX(-50%);
}

@keyframes arrow-wrapper-frame {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.4;
    }
    100% {
        opacity: 1;
    }
}

.sgt-solution .sys .sale-title {
    margin: 0px;
    padding: 0px;
}

.sgt-solution .sys .sale-row .img-wrapper {
    width: 9.99%;
}

.sgt-solution .sys .sale-row .text img {
    width: 1.5em;
    margin-right: 0.3em;
}
/*
.sgt-solution .sys .sale-row .text .subinfo img {
    width: 1em;
    margin-right: 0.3em;
}

/*
.sgt-solution .sys .sale-row .sale-text .subinfo .multi-sale img {
    width: 2em;
    margin-right: 0.3em;
}
*/
.sgt-solution .sys .sale-text {
    align-self: flex-start;
}

.sgt-solution .sys-snap-top .item {
    height: calc( var(--w_content) * 0.8 * 0.3333 );
}

.sgt-solution .sys-snap-top .power-item {
    width: 75%;
    height: 75%;
    border-radius: 50%;
    background-color: lightgray;
    align-self: center;
}

.sgt-solution .sys-snap-top .power-item .text {
    background-color: transparent;
}

.sgt-solution .sys-snap-top .control-shift {
    transform: translateY( -75% );
}

.sgt-solution .sys-snap-top .power-shift {
    transform: translateY( -37.5% );
}

.sgt-solution .sys-snap-top .item-shift-left {
    transform: translateX( -20% );
}

.sgt-solution .sys-snap-top .item-shift-right {
    transform: translateX( 20% );
}

.sgt-solution .sys-snap-top .item-shift2-left {
    transform: translateX( -37.5% ) rotate(-60deg);
}

.sgt-solution .sys-snap-top .item-shift2-right {
    transform: translateX( 37.5% ) rotate(60deg);
}

.sgt-solution .sys-snap-top {
    height: calc( var(--w_content) * 0.8 * 0.75 );
}

.sgt-solution .sys-snap-top .control-down-arrow {
    position: absolute;
    width: 100%;
    left: 0px;
    bottom: 0px;
}

.sgt-solution .sys-snap-bottom {
    transform: translateY(-10% );
}

.sol-show {
    width: 80%;
    z-index: 2;
}

.sol-show-green {
    box-shadow: 0 0 20px 1px gray;
}

.sol-show-green-video {
    margin-top: 2rem;
}

.sol-show-snap {
    justify-content: space-around;
    padding: 0 0 20px 0;
}

.sol-show-snap img {
    width: 45%;
    box-shadow: rgba(50, 50, 93, 0.5) 0px 6px 17px -2px, rgba(0, 0, 0, 0.6) 0px 4px 8px -4px;
}


.sgt-footer {
    justify-content: center;
    margin-top: 0.3rem;
    color: gray;
}

.sgt-footer a {
    user-select: auto;
    font-size: 0.7rem;
    color: gray;
}

.sgt-footer span {
    margin: 0 1.5rem 0 0;
    font-size: 0.7rem;
}

.sgt-gongan {
    margin-bottom: 0.3rem;
}

.sgt-gongan img {
    width: auto;
    height: auto;
}

.sgt-gongan a {
    width: 100%;
    height: 1rem;
    user-select: auto;
    font-size: 0.7rem;
    color: gray;
}

.only-pc {
    display: flex;
}

.only-phone {
    display: none;
}


@media only screen and ( max-width: 800px ) {
    html {
        font-size: 5vw;
    }

    body {
        --w_content: 100vw;
    }
    
    .sgt-content {
        width: var(--w_content);
    }

    .sgt-hline {
        height: 0px;
    }

    .sgt-vline {
        width: 0px;
    }

    .sgt-abstract img {
        width: 100%;
    }

    .sgt-abstract .text {
        width: 100%;
    }

    .sgt-advantage .sgt-advantage-content {
        font-size: 0.7rem;
    }

    .sgt-advantage .item-wrapper {
        width: 50%;
        height: 25%;
    }

    .sgt-product .icon-wrapper {
        display: none;
    }

    .sgt-product .left-wrapper {
        width: 100%;
    }

    .sgt-product .right-wrapper {
        width: 100%;
    }

    .sgt-about-bkg {
        display: none;
    }

    .sgt-about-box {
        position: relative;
    }

    .sgt-about-wrapper{
        width: 100%;
        box-shadow: none;
    }

    .sgt-about-wrapper .info {
        width: 100%;
        background-color: white;
    }

    .sgt-about-img {
        display: none;
    }

    .sgt-footer {
        flex-flow: column;
    }

    .sgt-footer span {
        margin: 0px;
    }

    .sgt-title {
        width: 100%;
        font-size: 2rem;
        margin: 1vh 0 1vh 0;
    }

    .sgt-subtitle {
        font-size: 1.5rem;
    }

    .sgt-go-top-panel{
        font-size: 3rem;
        color: gray;
    }
    
    .sgt-introduction {
        font-size: 0.5rem;
    }

    .sgt-introduction .text-wrapper {
        opacity: 1;
    }

    .sgt-solution .advantage .middle {
        display: none;
    }

    .sgt-solution .advantage .left {
        width: 80%;
    }

    .sgt-solution .advantage .right {
        width: 80%;
    }

    .sgt-solution .advantage .row {
        height: auto;
    }

    .sgt-solution .sys {
        font-size: 0.3rem;
    }

    .sgt-solution .advantage .row {
        margin-bottom: 1rem;
    }

    .sol-show-snap img {
	    width: 90%;
	    margin-bottom: 1rem;
    }

    .sgt-abstract .text .button:hover {
        background-color: white;
        color: gray;
    }

    .sgt-solution .sol-sys-snap-title {
        margin: 2rem 0 0.8rem 0;
        transform: translateY(0.3em);
    }

    .sgt-product-item .right .text p{
        text-align: justify;
    }

    .sgt-solution .advantage .row .icon-wrapper {
        justify-content: flex-start;
    }

    .only-pc {
        display: none;
    }

    .only-phone {
        display: flex;
    }

}
