body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: #4b4b4b
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    height: 68px;
    background: url(../images/hd-bg.png) no-repeat center center/cover;
    backdrop-filter: blur(10px)
}

.header .logo {
    height: 32px;
    display: flex
}

.header .logo img {
    display: block;
    height: 100%
}

.header nav {
    display: flex;
    align-items: center;
    justify-content: flex-end
}

.header nav a+a {
    margin-left: 50px
}

.header nav a {
    color: #4b4b4b;
    font-size: 16px;
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -ms-transition: all .3s;
    -o-transition: all .3s;
    transition: all .3s
}

.header nav a.active {
    color: #006eff;
    font-weight: 600;
}

.header nav a:hover {
    color: #006eff
}

.header.white {
    background: #fff
}

.banner {
    height: 100vh;
    position: relative
}

.banner img,
.banner video {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover
}

.banner .text {
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 1500px;
    color: #006eff;
    font-size: 64px;
    line-height: 80px
}

.banner .text h3,
.banner .text h4 {
    font-weight: 600;
}

.banner .text h4 {
    color: #000
}

.sec1 {
    padding: 130px 0;
    background: #eaf3fe
}

.sec1 .wp {
    display: flex;
    align-items: center
}

.sec1 .pic-group {
    flex: 1;
    margin-right: 55px;
    position: relative;
    height: 520px
}

.sec1 .pic-group .pic {
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -ms-transition: all .3s;
    -o-transition: all .3s;
    transition: all .3s;
    opacity: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center
}

.sec1 .pic-group .pic img,
.sec1 .pic-group .pic video {
    max-width: none;
    display: block;
    width: 115%;
    height: 115%;
    object-fit: contain;
    box-shadow: inset 0 0 40px 15px #eaf3fe, inset 0 0 80px 30px #eaf3fe, inset 0 0 120px 50px #eaf3fe;
    -webkit-mask: radial-gradient(closest-side circle, #eaf3fe 60%, transparent 100%)
}

.sec1 .pic-group .pic.active {
    opacity: 1
}

.sec1 .text-group {
    flex: 0 0 47.5%;
    min-height: 520px
}

.sec1 .text-group .item+.item {
    margin-top: 16px
}

.sec1 .text-group .item {
    border-radius: 8px;
    background: rgba(255, 255, 255, .65);
    border: 1.5px solid #fff;
    padding: 28px 32px
}

.sec1 .text-group .item .title {
    display: flex;
    align-items: center;
    font-size: 20px;
    color: #000
}

.sec1 .text-group .item .title em {
    font-family: Manrope;
    margin-right: 15px
}

.sec1 .text-group .item .title h3 {
    font-weight: 600;
}

.sec1 .text-group .item .desc {
    margin-top: 16px;
    font-size: 16px;
    line-height: 24px;
    color: #4b4b4b;
    display: none
}

.sec1 .text-group .item.active .title {
    color: #006eff
}

.sec1 .text-group .item:first-child .desc {
    display: block
}

.sec2 {
    background-color: #fff;
    padding: 110px 0 170px
}

.sec2 .sec2-top {
    position: sticky;
    top: 80px;
    left: 0;
    margin-bottom: 72px
}

.sec2 .title {
    text-align: center;
    margin-bottom: 50px
}

.sec2 .title h3 {
    font-weight: 600;
    font-size: 36px;
    color: #000;
    margin-bottom: 16px
}

.sec2 .title p {
    font-size: 14px
}

.target-list {
    display: flex;
    align-items: center;
    justify-content: center
}

.target-list .item+.item {
    margin-left: 56px
}

.target-list .item {
    cursor: pointer
}

.target-list .item.active .name {
    color: #006eff;
    font-weight: 600;
    opacity: 1
}

.target-list .item.active .icon {
    border: 1px solid #006eff;
    box-shadow: 0 10px 10px 5px rgba(0, 110, 255, .05)
}

.target-list .item.active .icon img.def {
    opacity: 0
}

.target-list .item.active .icon img.active {
    opacity: 1
}

.target-list .name {
    text-align: center;
    font-size: 16px;
    color: #000;
    opacity: .45
}

.target-list .icon {
    width: 68px;
    height: 68px;
    border-radius: 8px;
    border: 1px solid #e5e5e5;
    position: relative;
    margin-bottom: 20px
}

.target-list .icon img {
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -ms-transition: all .3s;
    -o-transition: all .3s;
    transition: all .3s
}

.target-list .icon img.active {
    opacity: 0
}

.target-list .icon img.def {
    opacity: 1
}

.target-box-wrap {
    position: sticky;
    top: 265px;
    -webkit-transform-origin: 50% 0;
    -moz-transform-origin: 50% 0;
    -ms-transform-origin: 50% 0;
    -o-transform-origin: 50% 0;
    transform-origin: 50% 0
}

.target-box-wrap:nth-child(1) {
    z-index: 4
}

.target-box-wrap:nth-child(1) .target-box {
    transform: translateY(10px)
}

.target-box-wrap:nth-child(2) {
    z-index: 5
}

.target-box-wrap:nth-child(2) .target-box {
    transform: translateY(20px)
}

.target-box-wrap:nth-child(3) {
    z-index: 6
}

.target-box-wrap:nth-child(3) .target-box {
    transform: translateY(30px)
}

.target-box-wrap:nth-child(4) {
    z-index: 7
}

.target-box-wrap:nth-child(4) .target-box {
    transform: translateY(40px)
}

.target-box-wrap:nth-child(5) {
    z-index: 8
}

.target-box-wrap:nth-child(5) .target-box {
    transform: translateY(50px)
}

.target-box-wrap:nth-child(6) {
    z-index: 9
}

.target-box-wrap:nth-child(6) .target-box {
    transform: translateY(60px)
}

.target-box:hover .con .text {
    transform: scale(.96)
}

.target-box:hover .con .pic {
    transform: scale(1.04)
}

.target-box {
    height: 550px;
    -webkit-transform-origin: 50% 0;
    -moz-transform-origin: 50% 0;
    -ms-transform-origin: 50% 0;
    -o-transform-origin: 50% 0;
    transform-origin: 50% 0;
    border-radius: 16px;
    background: #006eff;
    position: relative;
    overflow: hidden;
    padding: 50px 30px;
    color: #fff
}

.target-box:after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: url(../images/bg2.jpg) no-repeat center center/cover
}

.target-box .con,
.target-box .logo,
.target-box .top {
    position: relative;
    z-index: 2
}

.target-box .logo {
    position: absolute;
    bottom: 30px;
    left: 25px;
    height: 28px
}

.target-box .logo img {
    display: block;
    height: 100%
}

.target-box .top {
    display: flex;
    align-items: center;
    justify-content: space-between
}

.target-box .top .tit {
    font-size: 13px
}

.target-box .top .icon {
    flex: 0 0 24px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center
}

.target-box .top .icon img {
    object-fit: contain;
    display: block;
    width: 100%;
    height: 100%
}

.target-box .con {
    display: flex;
    align-items: center;
    justify-content: space-between
}

.target-box .con .text {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -ms-transition: all .3s;
    -o-transition: all .3s;
    transition: all .3s
}

.target-box .con .text .inner {
    max-width: 280px
}

.target-box .con .text .icon {
    width: 44px;
    height: 44px;
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px
}

.target-box .con .text .icon img {
    display: block;
    width: 20px;
    height: 20px
}

.target-box .con .text h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px
}

.target-box .con .text p {
    font-size: 16px;
    line-height: 24px;
    opacity: .65
}

.target-box .con .pic {
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -ms-transition: all .3s;
    -o-transition: all .3s;
    transition: all .3s;
    flex: 0 0 60%
}

.sec3 {
    background: linear-gradient(to right, #f1f5fd, #eaf3fe);
    padding: 110px 0 120px
}

.sec-title {
    text-align: center
}

.sec-title h3 {
    font-weight: 600;
    margin-bottom: 16px;
    color: #000;
    font-size: 36px
}

.sec-title p {
    margin: 0 auto;
    max-width: 440px;
    font-size: 14px;
    opacity: .65
}

.tools-list {
    margin: 50px -16px 0;
    display: flex
}

.tools-list .item {
    flex: 0 0 25%
}

.tools-list .item .inner:hover {
    box-shadow: 0 10px 20px rgba(0, 110, 255, .1)
}

.tools-list .item .inner:hover .pic img {
    -webkit-transform: scale(1.05);
    -moz-transform: scale(1.05);
    -ms-transform: scale(1.05);
    -o-transform: scale(1.05);
    transform: scale(1.05)
}

.tools-list .item .inner {
    margin: 0 16px;
    height: 100%;
    background-color: #fff;
    overflow: hidden;
    border-radius: 8px;
    -webkit-transition: all .5s;
    -moz-transition: all .5s;
    -ms-transition: all .5s;
    -o-transition: all .5s;
    transition: all .5s
}

.tools-list .item .inner .pic {
    padding-top: 89%;
    position: relative;
    overflow: hidden
}

.tools-list .item .inner .pic img {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    object-fit: cover;
    -webkit-transition: all .5s;
    -moz-transition: all .5s;
    -ms-transition: all .5s;
    -o-transition: all .5s;
    transition: all .5s
}

.tools-list .item .inner .text {
    padding: 24px
}

.tools-list .item .inner .text h3 {
    font-weight: 600;
    font-size: 16px;
    color: #000;
    margin-bottom: 6px
}

.tools-list .item .inner .text p {
    font-size: 14px;
    line-height: 22px
}

.sec4 {
    padding: 164px 0;
    background: url(../images/bg3.jpg) no-repeat center center/cover
}

.sec4 .wp {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    text-align: center
}

.sec4 .wp h4 {
    font-size: 24px;
    color: #fff;
    font-weight: 300;
}

.sec4 .wp h3 {
    font-weight: 600;
    margin: 6px 0 22px;
    font-size: 34px;
    color: #fff
}

.sec4 .wp .btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 140px;
    height: 44px;
    border-radius: 4px;
    background-color: #fff;
    margin: 0 auto;
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -ms-transition: all .3s;
    -o-transition: all .3s;
    transition: all .3s
}

.sec4 .wp .btn span {
    color: #006eff;
    font-size: 16px;
    font-weight: 600;
}

.sec4 .wp .btn i {
    background: url(../images/arrow.svg) no-repeat center center/contain;
    margin-left: 8px;
    width: 6px;
    height: 12px
}

.sec4 .wp .btn:hover {
    box-shadow: 0 10px 20px rgba(0, 110, 255, .1);
    opacity: .7
}

.footer {
    padding: 64px 0;
    background: url(../images/bg1.png) no-repeat center center/cover
}

.footer .wp {
    display: flex;
    align-items: center;
    justify-content: space-between
}

.footer .wp .fd-l {
    flex: 0 0 24%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start
}

.footer .wp .fd-l .logo {
    display: block;
    height: 44px
}

.footer .wp .fd-l .logo img {
    display: block;
    height: 100%
}

.footer .wp .fd-l .title {
    font-size: 18px;
    margin-top: 24px
}

.footer .wp .fd-mid {
    flex: 1;
    padding-left: 80px;
    margin-right: 80px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    border-left: 1px solid rgba(0, 0, 0, .08);
    border-right: 1px solid rgba(0, 0, 0, .08)
}

.footer .wp .fd-mid .contact {
    margin-right: 60px
}

.footer .wp .fd-mid .contact h3 {
    font-weight: 600;
    font-size: 16px;
    color: #000;
    margin-bottom: 16px
}

.footer .wp .fd-mid .contact .box+.box {
    margin-top: 11px
}

.footer .wp .fd-mid .contact .box {
    font-size: 14px;
    line-height: 20px
}

.footer .wp .fd-mid .qr .pic {
    margin-bottom: 8px;
    width: 80px;
    height: 80px;
    border-radius: 4px;
    padding: 5px;
    background-color: #fff;
    box-shadow: 0 0 10px 0 rgba(0, 0, 0, .05)
}

.footer .wp .fd-mid .qr .pic img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain
}

.footer .wp .fd-mid .qr p {
    text-align: center;
    font-size: 14px
}

.footer .wp .fd-r {
    flex: 0 0 24%;
    font-size: 14px;
    color: rgba(75, 75, 75, .75);
    line-height: 20px
}

.footer .wp .fd-r a {
    color: rgba(75, 75, 75, .75);
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -ms-transition: all .3s;
    -o-transition: all .3s;
    transition: all .3s
}

.footer .wp .fd-r a:hover {
    color: #4b4b4b
}

.footer .wp .fd-r .links {
    display: flex;
    align-items: center
}

.footer .wp .fd-r .links em {
    margin: 0 5px
}

.footer .wp .fd-r .copyright {
    margin-top: 16px;
    color: rgba(75, 75, 75, .75);
    font-size: 12px
}

.sec1 .text-group .item .pic {
    display: none
}

.menuBtn {
    display: none
}

@media only screen and (max-width:1540px) {
    .banner .text {
        padding-left: 20px;
        padding-right: 20px
    }
}

@media only screen and (max-width:1240px) {
    .wp {
        padding-left: 20px;
        padding-right: 20px
    }
}

@media only screen and (max-width:1199px) {
    .target-box {
        height: 400px
    }
}

@media only screen and (max-width:959px) {
    .banner .text {
        font-size: 24px;
        line-height: 1.5
    }

    .footer .wp .fd-mid {
        padding-left: 40px;
        margin-right: 40px
    }
}

@media only screen and (max-width:767px) {
    body {
        padding-top: 60px
    }

    .banner {
        height: 440px
    }

    .banner .text {
        top: auto;
        left: 0;
        -webkit-transform: translate(0, 0);
        -moz-transform: translate(0, 0);
        -ms-transform: translate(0, 0);
        -o-transform: translate(0, 0);
        transform: translate(0, 0);
        bottom: 30px
    }

    .sec1 {
        padding: 50px 0
    }

    .sec1 .pic-group {
        display: none
    }

    .sec1 .text-group .item .desc {
        display: block
    }

    .sec1 .text-group .item .title {
        color: #006eff
    }

    .sec1 .text-group .item .pic {
        display: block;
        opacity: 1;
        margin-bottom: 30px
    }

    .sec1 .wp {
        display: block
    }

    .sec2 {
        padding: 50px 0
    }

    .sec2 .title h3 {
        font-size: 24px
    }

    .target-list {
        display: none
    }

    .target-box .con {
        display: block
    }

    .target-box .top {
        margin-bottom: 20px
    }

    .target-box .top .tit {
        font-size: 14px
    }

    .target-box {
        height: auto
    }

    .target-box:hover .con .pic,
    .target-box:hover .con .text {
        transform: scale(1)
    }

    .target-box-wrap {
        top: 180px
    }

    .target-box .logo {
        height: 20px
    }

    .sec2 .sec2-top {
        position: static;
        margin-bottom: 0
    }

    .target-box-wrap {
        position: static
    }

    .target-box-wrap .target-box {
        transform: translateY(0) !important
    }

    .target-box-wrap+.target-box-wrap {
        margin-top: 30px
    }

    .target-box {
        padding: 20px 20px 50px
    }

    .target-box .con .text .inner {
        max-width: none
    }

    .sec3 {
        padding: 50px 0
    }

    .sec-title h3 {
        font-size: 24px
    }

    .tools-list {
        display: block;
        margin: 50px 0 0
    }

    .tools-list .item+.item {
        margin-top: 30px
    }

    .tools-list .item .inner {
        margin: 0
    }

    .sec4 .wp h3 {
        font-size: 28px
    }

    .footer {
        padding: 50px 0
    }

    .footer .wp {
        display: block
    }

    .footer .wp .fd-mid {
        padding-left: 0;
        border-left: none;
        border-right: none;
        margin: 30px 0
    }

    .footer .wp .fd-l .title {
        margin-top: 14px
    }

    .header nav a+a {
        margin-left: 0;
        margin-top: 20px
    }

    .header nav a {
        font-size: 18px;
        display: flex;
        align-items: center;
        justify-content: center
    }

    .header {
        height: 60px;
        padding: 0 20px
    }

    .header .logo {
        height: 30px
    }

    .menuBtn {
        display: block;
        width: 30px;
        height: 30px;
        background: url(../images/menu.svg) no-repeat center center/contain;
        cursor: pointer
    }

    .menuBtn.open {
        background: url(../images/close.svg) no-repeat center center/contain
    }

    .header nav {
        padding-top: 30px;
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        height: calc(100vh - 60px);
        background-color: #fff;
        display: none
    }

    .target-box .con .text .icon,
    .target-box .con .text h3 {
        margin-bottom: 12px
    }

    .target-box .con .text {
        margin-bottom: 16px
    }

    .footer .wp .fd-mid .contact .box,
    .footer .wp .fd-mid .qr p,
    .footer .wp .fd-r {
        font-size: 14px
    }
}

/* 新增样式 - Banner 按钮 */
.banner-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 32px;
    padding: 0 32px;
    background-color: #ffffffd1;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    color: #006eff;
    text-decoration: none;
    transition: all 0.3s;
    line-height: 3rem;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    -ms-border-radius: 10px;
    -o-border-radius: 10px;
}

.banner-btn:hover {
    /* background-color: #006eff; */
    /* color: #fff; */
    box-shadow: 0 10px 30px rgba(0, 110, 255, 0.3);
    /* transform: translateY(-2px); */
}

.banner-btn i {
    display: inline-block;
    width: 6px;
    height: 12px;
    margin-left: 8px;
    background: url(../images/arrow.svg) no-repeat center center/contain;
    transition: all 0.3s;
}

.banner-btn:hover i {
    /* filter: brightness(0) invert(1); */
}

/* 导航栏特殊按钮 */
.header nav a.nav-enter {
    background-color: #006eff;
    color: #fff;
    padding: 8px 20px;
    border-radius: 4px;
    font-weight: 600;
}

.header nav a.nav-enter:hover {
    background-color: #0057d8;
    box-shadow: 0 5px 15px rgba(0, 110, 255, 0.3);
}

/* 响应式调整 */
@media only screen and (max-width: 767px) {
    .banner-btn {
        font-size: 14px;
        padding: 10px 24px;
        margin-top: 20px;
    }

    .header nav a.nav-enter {
        background-color: #006eff;
        color: #fff;
        padding: 12px 30px;
        margin-top: 30px;
        width: 200px;
    }
}