.sub-banner {
    position: relative;
    width: 100%;
    height: 620px;
    background: url(../images/gaussmind/presalesbanner.png) 50% 0 no-repeat;
}

.sub-banner h1 {
    margin: 0;
    line-height: 80px;
    font-weight: 400;
    font-size: 56px;
    text-align: center;
    color: #fff;
}

.sub-banner p {
    margin-top: 24px;
    margin-bottom: 0;
    font-size: 28px;
    font-weight: 400;
    line-height: 44px;
    color: #fff;
}

.sub-banner p.sub-text {
    margin-top: 8px;
}

.sub-banner .sub-banner-inner {
    position: absolute;
    top: 178px;
    left: 0;
    width: 100%;
}

.sub-banner .sub-banner-inner .register,
.second-quality .register {
    display: inline-block;
    margin-top: 56px;
    background-color: #176de6;
    height: 48px;
    line-height: 48px;
    width: 144px;
    border-color: #176de6;
    font-size: 16px;
    border-radius: 0;
    color: #fff;
}

.sub-banner .sub-banner-inner .register:hover {
    background-color: #3f90f2;
    border-color: #3f90f2;
}

/*  content */
h5 {
    font-size: 20px;
    font-weight: normal;
}

#content .two,
.robot-cases,
.industry-cases {
    padding-top: 100px;
    padding-bottom: 120px;
}

#content h1 {
    margin-bottom: 24px;
    font-size: 40px;
    font-weight: 400;
    line-height: 56px;
}

#content .two .section-descripter {
    margin-bottom: 48px;
    font-size: 20px;
    font-weight: 400;
    color: #000;
    line-height: 32px;
}

#content .two .product-list {
    display: flex;
    justify-content: center;
}

#content .two .product-list .product-item {
    float: left;
    box-sizing: border-box;
    margin: 0 17px;
    text-align: center;
    padding: 65px 30px 50px;
    width: 220px;
    border-radius: 4px;
    background: #f0f2f5;
    border-radius: 4px;
}

#content .two .product-list .product-item h5 {
    margin: 38px 0 16px;
}

#content .two .product-list .product-item span {
    display: block;
    margin-top: 0;
    margin-bottom: 5px;
    font-size: 20px;
    font-weight: 400;
    line-height: 32px;
}

#content .two .product-list .product-item p {
    padding-top: 18px;
    margin-bottom: 53px;
    height: 48px;
    font-size: 16px;
    font-weight: 400;
    color: inherit;
    line-height: 24px;
}

#content .two .product-list .product-item .link-to i {
    float: left;
    font-style: normal;
    font-size: 14px;
    font-weight: 400;
    line-height: 22px;
}

#content .two .product-list .product-item .link-to .register {
    float: right;
    width: 24px;
    height: 24px;
    background: url(../images/product_service_go_app_platform/ic-right-black.png) 100% 100% no-repeat;
}

#content .two .product-list .product-item:hover .link-to .register {
    background: url(../images/product_service_go_app_platform/ic-right-white.png) 100% 100% no-repeat;
}
.robot-cases {
    background: #091423;
}
.robot-cases h1 {
    color: #fff;
    margin-bottom: 50px;
}
#content .industry-cases h1 {
    width: 80%;
    margin: 0 auto 80px;
}
.industry-cases .sub-banner-topic {
    display: flex;
    flex-direction: column;
}
.industry-cases .applition-container {
    box-sizing: border-box;
    margin: 0 auto 18px;
    display: flex;
}
.industry-cases .applition-container .applition-container-box {
    width: 480px;
    height: 280px;
    box-sizing: border-box;
    padding: 43px 59px;
    border-radius: 10px;
    background: url(/images/presale/Rectangle74.png) no-repeat;
}
.industry-cases .applition-container .reboot-second {
    margin-left: 18px;
    background: url(/images/presale/Rectangle72.png) no-repeat;
}
.industry-cases .applition-container .applition-container-box h3 {
    font-size: 20px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: rgba(255, 255, 255, 1);
    line-height: 28px;
    text-align: left;
    margin: 16px 0;
}
.industry-cases .applition-container .applition-container-box p {
    font-size: 14px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: rgba(255, 255, 255, 1);
    line-height: 22px;
    margin: 0 0 8px;
}
#home {
    background: url(/images/presale/six-left-img.png) no-repeat left center;
    background-color: #fff;
    box-shadow: 0px 8px 20px rgba(0, 0, 0, 0.15);
}
.tab-content .tab-pane {
    width: 97.4%;
    height: 700px;
    margin: 0 auto;
}
.six-box {
    background: #fcfcfc;
    box-sizing: border-box;
    padding: 120px 0px;
    position: relative;
    /* width: 80%; */
    margin: 0 auto;
}
#content .six-box h1 {
    margin-bottom: 64px;
}
.six-box .container {
    position: relative;
    padding: 0 25px;
    /* max-width: 1280px !important; */
}
.six-box .container .title-tab {
    position: absolute;
    left: 37.5%;
    top: 165px;
    padding-left: 40px;
}
.six-box .container .title-tab li a {
    padding: 0;
    font-size: 20px;
    color: rgba(0, 0, 0, 0.45);
    border: none;
    margin-right: 24px;
}
.six-box .container .title-tab li a:hover {
    background: none;
}
.six-box .container .title-tab .nav-tabs {
    border: none;
}
.six-box .container .title-tab .active a {
    color: #000;
    border-bottom: 2px solid #000;
}

.six-box .container .content-tab .thumbnail {
    border: none;
}

.six-box h2 {
    margin-bottom: 64px !important;
}
.six-box-container {
    /* width: 80%; */
    /* margin: 0 auto; */
    display: flex;
    justify-content: center;
}
.six-box-right {
    float: left;
    margin-left: 36%;
    background: rgba(255, 255, 255, 1);
    padding: 50px 40px 40px;
    height: 100%;
}
.six-box-right .right-img {
    height: 50px;
    line-height: 50px;
}
.six-box-right .right-img img {
    display: block;
    margin-bottom: 17px;
}
.six-box-right p {
    font-size: 16px;
    font-weight: 500;
    line-height: 32px;
    color: #000;
    margin: 50px 0 8px;
}
.six-box-right ul li {
    font-size: 16px;
    line-height: 32px;
    margin: 0 0 8px;
}
.six-box-right ul li::before {
    content: '';
    width: 6px;
    height: 6px;
    display: inline-block;
    border-radius: 10px;
    background: #176de6;
    margin-bottom: 3px;
    margin-right: 8px;
}

.advantage .applition-container .applition-container-box h3 {
    color: #000;
}
.advantage .applition-container .applition-container-box p {
    color: #000;
}
.advantage .applition-container .reboot-first {
    background: url('/images/presale/advant_01.png') no-repeat 30px 52px;
}
.advantage .applition-container .reboot-second {
    background: url('/images/presale/advant_02.png') no-repeat 30px 52px;
}
.advantage .applition-container .reboot-third {
    background: url('/images/presale/advant_03.png') no-repeat 30px 52px;
}
.advantage .applition-container .reboot-four {
    background: url('/images/presale/advant_04.png') no-repeat 30px 52px;
}
.advantage .applition-container .applition-container-box {
    height: 244px;
    border-radius: 4px;
    background-color: #dfe6f1;
    padding: 38px 30px 28px 158px;
}
@media (min-width: 1300px) {
    .robot-cases .left-img {
        margin-left: -154px;
    }
    .robot-cases .right-img {
        margin: 105px 0 0 -48px;
    }
}
@media (max-width: 1299px) and (min-width: 768px) {
    .robot-cases .left-img {
        width: 100%;
        height: auto;
        margin-left: -30px;
    }
    .robot-cases .right-img {
        width: 100%;
        height: auto;
        margin: 78px 0 0 0;
    }
}
@media (max-width: 991px) {
    #content .two .product-list {
        display: block;
    }
    #content .two .product-list .product-item {
        width: 90%;
        float: inherit;
        margin: 0 auto 20px;
    }
    .industry-cases .applition-container {
        display: block;
    }
    .industry-cases .applition-container .applition-container-box {
        width: 100%;
        height: auto;
        background: rgba(0, 0, 0, 0.75);
        margin: 0 0 20px;
        padding: 16px;
    }
    .advantage .applition-container .applition-container-box {
        box-shadow: 0px 8px 20px rgba(0, 0, 0, 0.15);
        background-color: #fff;
    }
}
@media (max-width: 767px) {
    .two,
    .industry-cases {
        padding: 0 16px;
    }
    .robot-cases .left-img {
        width: 100%;
        height: auto;
    }
    .robot-cases .right-img {
        width: 100%;
        height: auto;
    }
    .six-box-right {
        margin-left: 0;
        padding: 80px 15px 40px;
    }
    .six-box .container .title-tab {
        padding-left: 0;
        top: 137px;
        width: 260px;
        margin: 0 auto;
        left: 0;
        right: 0;
    }
    .six-box {
        padding: 40px 0;
    }
    .tab-content .tab-pane {
        height: auto;
    }
}