<style>
  .show{
    display: block !important;
}
.hide{
    display: none !important;
}
/* 图片 */
.solution_banner__fIRv8 {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 600px;
    background-color: #acb5c5;
    background-size: cover;
    background-position: 50%;
    background-repeat: no-repeat;
    text-align: center;
    background-image: url(https://assets.dtstack.com/2019Website/v2022/%E8%A7%A3%E5%86%B3%E6%96%B9%E6%A1%88banner/%E6%94%BF%E5%8A%A1%E8%A1%8C%E4%B8%9A%E8%A7%A3%E5%86%B3%E6%96%B9%E6%A1%88.jpg);
}

/* nav标题 */
.contentNav_contentNav__RS77p {
    position: absolute;
    display: flex;
    justify-content: center;
    width: 100%;
    z-index: 99;
}
.contentNav_navTabs__MgwVD {
    display: flex;
    width: 75%;
    min-width: 1440px;
    height: 64px;
    background: #fff;
    box-shadow: 0 4px 8px 0 rgb(0 0 0 / 6%);
    transition: width .3s;
}
.contentNav_navTabsItem__WGI10 {
    display: flex;
    flex: auto;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
.contentNav_navTabsItem__WGI10:hover{
    color: #f39801;
}

/* 行业洞察 */
.solution_contentModule__2icH6:nth-child(2n) .solution_valueItem__jw1XO, .solution_contentModule__2icH6:nth-child(odd) {
    background-color: #fff;
}
.solution_contentModule__2icH6 {
    padding: 100px 0;
}
.solution_moduleTitle__Zew_F {
    height: 59px;
    font-size: 42px;
    font-family: PingFangSC-Medium,PingFang SC;
    font-weight: 500;
    color: #353c58;
    line-height: 59px;
    text-align: center;
}
.solution_moduleContent__NAun4 {
    width: 1440px;
    margin: 80px auto 0;
}
.growCards_wrapper__Tnosu {
    display: flex;
    align-items: center;
    height: 417px;
    margin: 50px auto 0;
}
.growCards_card__Ntkcn:nth-child(odd) {
    background-color: #f4f8ff;
}
.growCards_card__Ntkcn {
    flex: 1;
    max-width: 360px;
    height: 357px;
    text-align: center;
    padding: 72px 64px 0;
    background-color: #fafcff;
    transition: .3s;
    box-sizing: border-box;
    border: 0 solid #e5e7eb
}
.gridCards_cardWrapper__5FHEg {
    display: flex;
    flex-wrap: wrap;
}
/* 33 */
.growCards_card__Ntkcn:hover{
    height: 417px;
    background-color: #f39801;
}
.growCards_card__Ntkcn:hover .growCards_cardDesc__i_z5F{
    -webkit-box-orient: revert;
    color: #fafcff;
}
.growCards_card__Ntkcn:hover .growCards_cardTitle__CLYhS{
    color: #fafcff;
}
/* 33 */
.growCards_card__Ntkcn span{
    box-sizing: border-box;
    display: block;
    width: initial;
    height: initial;
    background: none;
    opacity: 1;
    border: 0;
    margin: 0;
    padding: 0;
    max-width: 100%;
}
.growCards_card__Ntkcn span img{
    height: 90px;
    width: 90px;
}
.growCards_cardTitle__CLYhS {
    height: 25px;
    line-height: 25px;
    font-size: 18px;
    font-family: PingFangSC-Medium,PingFang SC;
    font-weight: 500;
    color: #353c58;
    margin-top: 24px;
}
.growCards_cardDesc__i_z5F {
    width: 100%;
    font-size: 14px;
    font-weight: 400;
    color: #64698b;
    line-height: 20px;
    margin-top: 16px;
    text-align: left;
    word-break: break-all;
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}
/* 方案优势 */
.solution_contentModule__2icH6:nth-child(2n) {
    background-color: #f4f8ff;
}
.solution_contentModule__2icH6 {
    padding: 100px 0;
}
.solution_moduleTitle__Zew_F {
    height: 59px;
    font-size: 42px;
    font-family: PingFangSC-Medium,PingFang SC;
    font-weight: 500;
    color: #353c58;
    line-height: 59px;
    text-align: center;
}
.solution_moduleContent__NAun4 {
    width: 1440px;
    margin: 80px auto 0;
}
.ant-tabs {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    color: rgba(0,0,0,.85);
    font-size: 14px;
    font-variant: tabular-nums;
    line-height: 1.5715;
    list-style: none;
    font-feature-settings: "tnum";
    display: flex;
    overflow: hidden;
}
.ant-tabs-bottom, .ant-tabs-top {
    flex-direction: column;
}
.solution_adv__aF09C .ant-tabs-top>.ant-tabs-nav {
    margin-bottom: 20px;
}

.customTabs_customTabs__2oGNd.ant-tabs-top>.ant-tabs-nav {
    margin: 0 0 40px;
}
.ant-tabs>.ant-tabs-nav, .ant-tabs>div>.ant-tabs-nav {
    position: relative;
    display: flex;
    flex: none;
    align-items: center;
}
.ant-tabs-bottom>.ant-tabs-nav, .ant-tabs-bottom>div>.ant-tabs-nav, .ant-tabs-top>.ant-tabs-nav, .ant-tabs-top>div>.ant-tabs-nav {
    margin: 0 0 16px;
}
.ant-tabs-centered>.ant-tabs-nav .ant-tabs-nav-wrap:not([class*=ant-tabs-nav-wrap-ping]), .ant-tabs-centered>div>.ant-tabs-nav .ant-tabs-nav-wrap:not([class*=ant-tabs-nav-wrap-ping]) {
    justify-content: center;
}
.ant-tabs>.ant-tabs-nav .ant-tabs-nav-wrap, .ant-tabs>div>.ant-tabs-nav .ant-tabs-nav-wrap {
    position: relative;
    display: inline-block;
    display: flex;
    flex: auto;
    align-self: stretch;
    overflow: hidden;
    white-space: nowrap;
    transform: translate(0);
}
.customTabs_customTabs__2oGNd.ant-tabs>.ant-tabs-nav .ant-tabs-nav-list {
    width: 100%;
    justify-content: center;
}
.ant-tabs>.ant-tabs-nav .ant-tabs-nav-list, .ant-tabs>div>.ant-tabs-nav .ant-tabs-nav-list {
    position: relative;
    display: flex;
    transition: transform .3s;
}
.customTabs_tabWrapper__XRC_i {
    flex: 1;
    align-items: center;
    justify-content: center;
    max-width: 240px;
    text-align: center;
}
.ant-tabs-tab {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 12px 0;
    font-size: 14px;
    background: transparent;
    border: 0;
    outline: none;
    cursor: pointer;
}
.customTabs_customTabs__2oGNd .ant-tabs-tab.ant-tabs-tab-active .ant-tabs-tab-btn {
    color: #f39801;
}
.ant-tabs-tab.ant-tabs-tab-active .ant-tabs-tab-btn {
    color: #1890ff;
    text-shadow: 0 0 .25px currentcolor;
}
.customTabs_customTabs__2oGNd .ant-tabs-tab-btn {
    height: 22px;
    line-height: 22px;
    font-size: 16px;
    font-weight: 400;
    color: #3d4461;
}
.ant-tabs-tab-btn, .ant-tabs-tab-remove {
    outline: none;
    transition: all .3s;
}
.ant-tabs-tab-active+.customTabs_underline__11oDO {
    transform: scaleX(1);
}

.customTabs_underline__11oDO {
    transform: scaleX(0);
    transform-origin: 50% 50%;
    transition: transform .3s ease;
    width: 100%;
    border-bottom: 4px solid #f39801;
}

.ant-tabs-content-holder {
    flex: auto;
    min-width: 0;
    min-height: 0;
}
.ant-tabs-content {
    display: flex;
    width: 100%;
}
.ant-tabs-tabpane {
    flex: none;
    width: 100%;
    outline: none;
}
.solution_advPane__SU4zE {
    display: flex;
    height: 400px;
    max-width: 1920px;
}
.solution_advPane__SU4zE>div {
    flex: 0 0 50%;
}
.solution_advImage__riYSu {
    background-size: cover;
    background-position: 50%;
    background-repeat: no-repeat;
    background-color: #f4f8ff;
}
.solution_advRight__gL_jP {
    padding: 80px;
    background-color: #fff;
}
.solution_advTitle__uugIx {
    height: 25px;
    font-size: 18px;
    font-family: PingFangSC-Medium,PingFang SC;
    font-weight: 500;
    color: #353c58;
    line-height: 25px;
}
.solution_advDesc__Uawsg {
    width: 420px;
    height: 60px;
    font-size: 14px;
    font-weight: 400;
    color: #64698b;
    line-height: 20px;
    margin: 16px 0 40px;
}
.button_button__SRc2Y, .button_circleButton__ZyU2m {
    align-items: center;
    justify-content: center;
    font-size: 14px;
}
.button_button__SRc2Y {
    display: inline-flex;
    width: 120px;
    height: 40px;
    font-weight: 400;
    color: #fff;
    background: #f39801;
    border-radius: 4px;
}


/* 全景架构 */
.solution_moduleTitle__Zew_F {
    height: 59px;
    font-size: 42px;
    font-family: PingFangSC-Medium,PingFang SC;
    font-weight: 500;
    color: #353c58;
    line-height: 59px;
    text-align: center;
}
.solution_moduleContent__NAun4 {
    width: 1440px;
    margin: 80px auto 0;
}
img, video {
    max-width: 100%;
    height: auto;
}

/* 业务场景 */
.solution_moduleTitle__Zew_F {
    height: 59px;
    font-size: 42px;
    font-family: PingFangSC-Medium,PingFang SC;
    font-weight: 500;
    color: #353c58;
    line-height: 59px;
    text-align: center;
}
.solution_moduleContent__NAun4 {
    width: 1440px;
    margin: 80px auto 0;
}
.ant-tabs {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    color: rgba(0,0,0,.85);
    font-size: 14px;
    font-variant: tabular-nums;
    line-height: 1.5715;
    list-style: none;
    font-feature-settings: "tnum";
    display: flex;
    overflow: hidden;
}

.ant-tabs-bottom, .ant-tabs-top {
    flex-direction: column;
}
.sceneTabs_sceneTabs__x_IZW.ant-tabs-top>.ant-tabs-nav {
    margin: 0 0 12px;
}

.ant-tabs>.ant-tabs-nav, .ant-tabs>div>.ant-tabs-nav {
    position: relative;
    display: flex;
    flex: none;
    align-items: center;
}
.ant-tabs-bottom>.ant-tabs-nav, .ant-tabs-bottom>div>.ant-tabs-nav, .ant-tabs-top>.ant-tabs-nav, .ant-tabs-top>div>.ant-tabs-nav {
    margin: 0 0 16px;
}
.ant-tabs-centered>.ant-tabs-nav .ant-tabs-nav-wrap:not([class*=ant-tabs-nav-wrap-ping]), .ant-tabs-centered>div>.ant-tabs-nav .ant-tabs-nav-wrap:not([class*=ant-tabs-nav-wrap-ping]) {
    justify-content: center;
}
.ant-tabs>.ant-tabs-nav .ant-tabs-nav-wrap, .ant-tabs>div>.ant-tabs-nav .ant-tabs-nav-wrap {
    position: relative;
    display: inline-block;
    display: flex;
    flex: auto;
    align-self: stretch;
    overflow: hidden;
    white-space: nowrap;
    transform: translate(0);
}
.sceneTabs_sceneTabs__x_IZW.ant-tabs>.ant-tabs-nav .ant-tabs-nav-list {
    width: 100%;
    justify-content: center;
}
.ant-tabs>.ant-tabs-nav .ant-tabs-nav-list, .ant-tabs>div>.ant-tabs-nav .ant-tabs-nav-list {
    position: relative;
    display: flex;
    transition: transform .3s;
}
.sceneTabs_sceneTabs__x_IZW .ant-tabs-tab-active {
    background-color: #f39801 !important;
}

.sceneTabs_sceneTabs__x_IZW .ant-tabs-tab {
    flex: 1;
    justify-content: center;
    background-color: #fff;
}
.ant-tabs-tab {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 12px 0;
    font-size: 14px;
    background: transparent;
    border: 0;
    outline: none;
    cursor: pointer;
}
.sceneTabs_sceneTabs__x_IZW .ant-tabs-tab.ant-tabs-tab-active .ant-tabs-tab-btn {
    color: #fff !important;
}
.ant-tabs-tab.ant-tabs-tab-active .ant-tabs-tab-btn {
    color: #1890ff;
    text-shadow: 0 0 .25px currentcolor;
}
.sceneTabs_sceneTabs__x_IZW .ant-tabs-tab-btn {
    height: 22px;
    line-height: 22px;
    font-size: 16px;
    font-weight: 400;
    color: #8b8fa8 !important;
}

.ant-tabs-tab-btn, .ant-tabs-tab-remove {
    outline: none;
    transition: all .3s;
}

.ant-tabs-content-holder {
    flex: auto;
    min-width: 0;
    min-height: 0;
}
.ant-tabs-content {
    display: flex;
    width: 100%;
}
.ant-tabs-tabpane {
    flex: none;
    width: 100%;
    outline: none;
}
.solution_scenePane__fcEFH {
    display: flex;
    height: 400px;
    max-width: 1440px;
    background-color: #fff;
}
.solution_scenePane__fcEFH>div {
    flex: 0 0 50%;
}
.solution_sceneLeft__f7N6_ {
    display: flex;
    padding: 135px 80px 0;
}
.solution_sceneIconWrapper__92CHh {
    flex: 0 0 44px;
}
.solution_sceneTitle__WfsMG {
    height: 25px;
    font-size: 18px;
    font-family: PingFangSC-Medium,PingFang SC;
    font-weight: 500;
    color: #353c58;
    line-height: 25px;
    margin-top: 4px;
}
.solution_sceneDesc__Rp22n {
    max-width: 420px;
    font-size: 14px;
    font-weight: 400;
    color: #353c58;
    line-height: 21px;
    margin-top: 16px;
}
.button_button__SRc2Y {
    display: inline-flex;
    width: 120px;
    height: 40px;
    font-weight: 400;
    color: #fff;
    background: #f39801;
    border-radius: 4px;
}
.mt-4 {
    margin-top: 1rem;
}
.solution_scenePane__fcEFH>div {
    flex: 0 0 50%;
}
.solution_sceneImage___Ga_Y {
    background-size: cover;
    background-position: 50%;
    background-repeat: no-repeat;
    background-color: #f4f8ff;
}

/* 方案价值 */
.solution_moduleContent__NAun4 {
    width: 1440px;
    margin: 80px auto 0;
}
.gridCards_cardWrapper__5FHEg {
    display: flex;
    flex-wrap: wrap;
}
.gridCards_card__hH4as:nth-child(odd) {
    margin-right: 20px;
}
.gridCards_card__hH4as {
    display: flex;
    flex: 1 1 calc(50% - 10px);
    padding: 40px;
    background-color: #f4f8ff;
    background-repeat: no-repeat;
    background-image: url(https://assets.dtstack.com/2019Website/v2022/common/card_triangle_bg.png);
    background-position: right 188px;
    background-size: contain;
    transition: background-position .3s;
}
.gridCards_cardLogo__mA1A1 {
    flex: 0 0 52px;
}
.gridCards_cardTitle__YYzr6 {
    height: 25px;
    font-size: 18px;
    font-family: PingFangSC-Medium,PingFang SC;
    font-weight: 500;
    color: #353c58;
    line-height: 25px;
    margin-top: 4px;
}
.gridCards_cardDesc___PUxs {
    height: 60px;
    font-size: 14px;
    font-weight: 400;
    color: #64698b;
    line-height: 20px;
    margin-top: 16px;
}
.gridCards_card__hH4as:nth-child(n+3) {
    margin-top: 20px;
}

/* 其他行业解决方案 */
.solutionSlick_slick__NdNo4 {
    position: relative;
    height: 500px;
    max-width: 1440px;
    margin: 100px auto 117px;
}
.solutionSlick_slick__NdNo4 .solutionSlick_prevBtn__ej4_U {
    left: -32px;
}
.solutionSlick_slick__NdNo4 .solutionSlick_arrowBtn__bYk8R {
    position: absolute;
    top: 50%;
    color: #f39801;
    font-size: 16px;
    transform: translateY(-50%);
    z-index: 1;
}
.button_circleButton__ZyU2m {
    display: flex;
    width: 64px;
    height: 64px;
    background: hsla(0,0%,100%,.2);
    box-shadow: 0 2px 8px 0 rgb(0 0 0 / 10%), inset 0 1px 1px 1px hsl(0deg 0% 100% / 50%);
    border-radius: 32px;
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}
.button_button__SRc2Y, .button_circleButton__ZyU2m {
    align-items: center;
    justify-content: center;
    font-size: 14px;
}
.solutionSlick_slick__NdNo4 .solutionSlick_nextBtn__k_BmU {
    right: -32px;
}
.ant-carousel {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    color: rgba(0,0,0,.85);
    font-size: 14px;
    font-variant: tabular-nums;
    line-height: 1.5715;
    list-style: none;
    font-feature-settings: "tnum";
}
.ant-carousel .slick-slider {
    position: relative;
    display: block;
    box-sizing: border-box;
    touch-action: pan-y;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
}
.ant-carousel .slick-slider .slick-list, .ant-carousel .slick-slider .slick-track {
    transform: translateZ(0);
    touch-action: pan-y;
}
.ant-carousel .slick-list {
    position: relative;
    display: block;
    margin: 0;
    padding: 0;
    overflow: hidden;
}
.ant-carousel .slick-slider .slick-list, .ant-carousel .slick-slider .slick-track {
    transform: translateZ(0);
    touch-action: pan-y;
}
.ant-carousel .slick-track {
    position: relative;
    top: 0;
    left: 0;
    display: block;
}
.ant-carousel .slick-initialized .slick-slide {
    display: block;
}

.ant-carousel .slick-list .slick-slide {
    /* pointer-events: none; */
}
.ant-carousel .slick-slide {
    display: none;
    float: left;
    height: 100%;
    min-height: 1px;
}
.ant-carousel .slick-list .slick-slide>div>div {
    vertical-align: bottom;
}
.solutionSlick_slick__NdNo4 .solutionSlick_item__NGsBD {
    position: relative;
    height: 500px;
    text-align: center;
}
.solutionSlick_slick__NdNo4 .solutionSlick_item__NGsBD .solutionSlick_bg__SZcUN {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}
.ant-carousel .slick-slide img {
    display: block;
}
.ant-carousel .slick-slide:hover .solutionSlick_hover__a0Tz2{
    display: flex;
}
.solutionSlick_slick__NdNo4 .solutionSlick_item__NGsBD .solutionSlick_cover__eBwCk {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    -o-object-fit: none;
    object-fit: none;
    z-index: 2;
}
.solutionSlick_slick__NdNo4 .solutionSlick_item__NGsBD .solutionSlick_normal__rVXpE {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    color: #f1f3ff;
    z-index: 3;
}
.solutionSlick_slick__NdNo4 .solutionSlick_item__NGsBD .solutionSlick_normal__rVXpE .solutionSlick_title__fGAhO {
    margin: 212px auto 0;
    font-size: 28px;
    font-weight: 400;
    line-height: 40px;
}
.solutionSlick_slick__NdNo4 .solutionSlick_item__NGsBD .solutionSlick_normal__rVXpE .solutionSlick_enTitle__ETX2E {
    margin: 12px auto 0;
    font-size: 18px;
    font-weight: 500;
    line-height: 25px;
}
.solutionSlick_slick__NdNo4 .solutionSlick_item__NGsBD .solutionSlick_hover__a0Tz2 .solutionSlick_title__fGAhO {
    margin: 109px auto 0;
    font-size: 36px;
    line-height: 50px;
    font-weight: 400;
}

.solutionSlick_slick__NdNo4 .solutionSlick_item__NGsBD .solutionSlick_hover__a0Tz2 .solutionSlick_enTitle__ETX2E {
    margin: 16px auto 0;
    font-size: 12px;
    font-weight: 500;
    line-height: 17px;
}

.solutionSlick_slick__NdNo4 .solutionSlick_item__NGsBD .solutionSlick_hover__a0Tz2 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    display: none;
    flex-direction: column;
    font-size: 12px;
    color: #f39801;
    background-color: rgba(244,248,255,.9);
}
.solutionSlick_slick__NdNo4 .solutionSlick_item__NGsBD .solutionSlick_hover__a0Tz2 .solutionSlick_desc__GQ7Qu {
    width: 201px;
    height: 102px;
    margin: 22px auto 0;
    font-size: 12px;
    font-weight: 400;
    line-height: 17px;
    word-break: break-all;
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 6;
}
.solutionSlick_slick__NdNo4 .solutionSlick_item__NGsBD .solutionSlick_hover__a0Tz2 .solutionSlick_btn__wWMs2 {
    display: block;
    width: 188px;
    height: 46px;
    font-size: 18px;
    font-weight: 400;
    line-height: 46px;
    margin: 30px auto 0;
    color: #f39801;
    border: 1px solid #f39801;
    text-align: center;
    cursor: pointer;
}

/* footer start */
.layout_footerBanner__m1fbi {
    position: relative;
    height: 340px;
    padding-top: 80px;
    text-align: center;
    background-color: #c8deff;
    background-position: 50%;
    background-repeat: no-repeat;
    background-size: cover;
    z-index: 1;
}
.layout_footerBanner__m1fbi span{
    box-sizing:border-box;
    display:block;
    overflow:hidden;
    width:initial;
    height:initial;
    background:none;
    opacity:1;
    border:0;
    margin:0;
    padding:0;
    position:absolute;
    top:0;
    left:0;
    bottom:0;
    right:0
}
.layout_footerBanner__m1fbi .pointer-events-none{
    position:absolute;
    top:0;
    left:0;
    bottom:0;
    right:0;
    box-sizing:border-box;
    padding:0;
    border:none;
    margin:auto;
    display:block;
    width:0;
    height:0;
    min-width:100%;
    max-width:100%;
    min-height:100%;
    max-height:100%;
    object-fit:cover;
    object-position:center
}
.layout_footerBanner__m1fbi .z-10 {
    z-index: 10;
}
.layout_footerBanner__m1fbi .relative {
    position: relative;
}
.layout_footerBanner__m1fbi .layout_footerBannerTitle__GCsij {
    height: 120px;
    font-size: 36px;
    font-family: PingFangSC-Medium,PingFang SC;
    font-weight: 500;
    color: #2b314a;
    line-height: 120px;
}
.layout_footerBanner__m1fbi .layout_footerBannerBtn__cRwdD {
    display: inline-block;
    width: 160px;
    height: 46px;
    background: #f39801;
    color: #fff;
    font-size: 16px;
    font-weight: 400;
    padding: 12px;
    cursor: pointer;
    border: 0;
}



/* 轮播图 */
.container{
    margin: 0 auto;
    width: 1440px;
}
/* .roll-wrap:hover .control{
    display: block;
} */

.roll-wrap{
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
}
.roll_row .roll__list::before, .roll_row .roll__list::after {
    content: "";
    display: table;
    line-height: 0;
}
.roll_row .roll__list::after {
    clear: both;
}
.roll_row .roll__list{
    width: 9999px;
}
.roll_row .roll__list li{
    float: left;
    display: block;
    /* margin-right: 20px; */
    width: 288px;
    height: 500px;
    /* line-height: 500px; */
    font-weight: bold;
    font-size: 30px;
    text-align: center;
    color: #fff;
}
.control{
    position: absolute;
    top: 30px;
    padding: 10px 5px;
    font-weight: bold;
    text-decoration: none;
    color: #fff;
}
.control.pre{
    left: -31px;
}
.roll_col{
    width: 100%;
    height: 200px;
    overflow: hidden;
}
.roll_col .roll__list{
    width: 100%;
}
.h600{
    height: 600px;
}
.roll_col li{
    display: block;
    height: 200px;
    line-height: 200px;
    font-size: 30px;
    font-weight: bold;
    text-align: center;
    color: #fff;
    background-color: #ff9900;
}
.roll_col .li-2{
    background-color: #0099ff;
}
.roll_col .li-3{
    background-color: #ff0099;
}
.roll_col .li-4{
    background-color: #00ff99;
}
.roll_col .control{
    top: 80px;
}
</style>