body {
    padding-top: 80px;
}

#pc_nav {
    height: 80px;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 200;
    width: 100%;
    background: #fff;
    box-shadow: 0px 4px 20px 0px rgba(0, 0, 0, 0.06);
}

#pc_nav .cont {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
}

#pc_nav .logo {
    width: 380px;
    height: 80px;
    line-height: 80px;
}

#pc_nav .navbox {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
}

#pc_nav .navbox li {
    line-height: 80px;
    padding: 0 12px;
    cursor: pointer;
}

#pc_nav .navbox li a {
    font-size: 18px;
    color: #333;
}

#pc_nav .navbox li.active a {
    border-bottom: #1b4680 solid 3px;
    padding-bottom: 10px;
    color: #1b4680;
    font-weight: bold;
}

#pc_nav .navbox li:hover a {
    border-bottom: #1b4680 solid 3px;
    padding-bottom: 10px;
    color: #1b4680;
    font-weight: bold;
}

/* banner */
header {
    margin-top: 80px;
}
header img {
    width: 100%;
}
/* section */
section {
    padding: 80px 0;
}

/* title */
.cn-title {
    font-size: 46px;
    line-height: 42px;
    font-weight: bold;
    color: #1b4680;
    text-align: center;
}

.en-title {
    font-size: 30px;
    line-height: 60px;
    letter-spacing: 3px;
    color: #ffba00;
    font-weight: bold;
    text-align: center;
}

.line-title {
    width: 328px;
    height: 1px;
    background: #c5deff;
    margin: 0 auto;
    position: relative;
    margin-top: 10px;
}

.line-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 5px;
    background: #1b4680;
    position: absolute;
    top: -2px;
    left: 0;
    right: 0;
    margin: auto;
}

.content {
    margin-top: 50px;
}

#modular1 .cont {
    position: relative;
}

#modular1 .cont::after {
    content: '';
    display: block;
    width: 300px;
    height: 655px;
    position: absolute;
    background: #f6f8fa;
    top: -80px;
    left: -174px;
    z-index: -1;
}

#modular1 .content {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
}

#modular1 .content .i-b {
    width: 420px;
    height: 540px;
    background: url(../images/img1.png) no-repeat center;
    background-size: cover;
}

#modular1 .content .t-b {
    width: 720px;
}

#modular1 .content .t-b p {
    font-size: 18px;
    line-height: 40px;
    text-indent: 2em;
}

#modular2 .cn-title,
#modular2 .en-title {
    text-align: left;
}

#modular2 .line-title {
    margin: 0;
    width: 248px;
}

#modular2 .line-title::after {
    left: 0;
    right: auto;
}

#modular2 .cont {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
}

#modular2 .content {
    width: 875px;
}

#modular2 .content p {
    font-size: 18px;
    line-height: 40px;
}

#modular2 .rt {
    width: 275px;
    height: 402px;
    background: url(../images/img2.png) no-repeat center;
    background-size: cover;
}

#modular2 .r {
    margin-top: 70px;
}

#modular2 .rb {
    width: 275px;
    height: 190px;
    background: #1b4680;
    padding-top: 40px;
    padding-left: 40px;
}

#modular2 .rb .name {
    font-size: 34px;
    line-height: 42px;
    color: #ffffff;
    font-weight: bold;
    margin-bottom: 10px;
}

#modular2 .rb .desc {
    font-size: 18px;
    line-height: 30px;
    color: #ffffff;
}

#modular3 {
    background: url(../images/bg1.png) no-repeat center;
    background-size: cover;
}

#modular3 .cn-title {
    color: #f6f8fa;
}

#modular3 .line-title,
#modular3 .line-title::after {
    background: #f6f8fa;
}

#modular3 .z {
    font-size: 18px;
    line-height: 40px;
    color: #fff;
    text-align: center;
    margin-bottom: 40px;
}

#modular3 ul {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
}

#modular3 ul li {
    width: 280px;
    height: 430px;
    border-radius: 40px 0 40px 40px;
    padding-top: 40px;
    padding-left: 35px;
    padding-right: 35px;
}

#modular3 ul li:nth-child(odd) {
    background: #ffba00;
}

#modular3 ul li:nth-child(even) {
    background: #fff;
}

#modular3 ul p {
    font-size: 16px;
    line-height: 30px;
    color: #000000;
}

#modular3 ul .tit {
    font-size: 40px;
    font-weight: bold;
    color: #1b4680;
    text-align: center;
    margin-bottom: 30px;
}

#modular4 .tabs {
    display: flex;
    justify-content: space-between;
}

#modular4 .tabs li {
    width: 277px;
    height: 80px;
    background-color: #999999;
    border-radius: 40px 40px 40px 0px;
    font-size: 26px;
    color: #fff;
    text-align: center;
    line-height: 80px;
    cursor: pointer;
}

#modular4 .tabs li.active {
    background: #1b4680;
    color: #ffba00;
}

#modular4 .changes {
    margin-top: 55px;
}

#modular4 .changes div {
    background: #1b4680;
    border-radius: 20px;
    padding: 65px;
    position: relative;
    display: none;
}

#modular4 .changes a {
    color: #fff;
}

#modular4 .changes a:hover {
    text-decoration: underline;
}

#modular4 .changes div.active {
    display: block;
}

#modular4 .changes div::after {
    content: '';
    display: block;
    width: 0;
    height: 0;
    border-bottom: 24px solid #1b4680;
    border-left: 14px solid transparent;
    border-right: 14px solid transparent;
    position: absolute;
    top: -24px;
}

#modular4 .changes div:nth-child(1)::after {
    left: 125px;
}

#modular4 .changes div:nth-child(2)::after {
    left: 435px;
}

#modular4 .changes div:nth-child(3)::after {
    left: 740px;
}

#modular4 .changes div:nth-child(4)::after {
    left: 1045px;
}

#modular4 .changes div p {
    color: #fff;
    font-size: 18px;
    line-height: 42px;
}

#modular5 {
    background: url(../images/bg2.png) no-repeat center;
    background-size: cover;
}

#modular5 .cn-title {
    color: #f6f8fa;
}

#modular5 .line-title,
#modular5 .line-title::after {
    background: #f6f8fa;
}

#modular5 .content {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
}

#modular5 .l {
    width: 950px;
    height: 590px;
    background: #ffba00 url(../images/bg3.png) no-repeat;
    background-position-x: 100%;
    background-position-y: 20%;
    border-radius: 130px 0px 130px 130px;
    padding: 75px;
}

#modular5 .l p {
    font-size: 20px;
    line-height: 40px;
    color: #232323;
}

#modular5 .r {
    width: 200px;
}

#modular6 .z {
    margin-top: 50px;
}

#modular6 .z p {
    text-align: center;
    font-size: 18px;
    line-height: 40px;
}

#modular6 .content {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
}

#modular6 .tabs li {
    position: relative;
    height: 70px;
    margin-bottom: 30px;
    cursor: pointer;
}

#modular6 .tabs li .circle {
    width: 78px;
    height: 78px;
    display: block;
    border-radius: 50%;
    background-color: #cbcbcb;
    border: solid 8px #ffffff;
    position: absolute;
    left: 0;
    top: 0;
    line-height: 60px;
    text-align: center;
    font-weight: bold;
    font-size: 28px;
    color: #fff;
    z-index: 20;
}

#modular6 .tabs li .tl {
    position: absolute;
    width: 180px;
    height: 50px;
    border-radius: 0 25px 25px 0;
    background: #a1a1a1;
    color: #fff;
    font-size: 18px;
    line-height: 50px;
    text-align: center;
    z-index: 10;
    top: 11px;
    left: 60px;
    font-weight: bold;
    box-shadow: 0 7px 0 0 #cbcbcb;
}

#modular6 .tabs li.active .circle {
    background-color: #ffba00;
}

#modular6 .tabs li.active .tl {
    background-color: #1b4680;
    box-shadow: 0 7px 0 0 #ffba00;
    width: 190px;
    color: #ffba00;
}

#modular6 .changes {
    width: 920px;
    height: 630px;
    padding: 60px;
    border: solid 1px #ffba00;
    display: none;
    position: relative;
}

#modular6 .changes::before {
    content: '';
    display: block;
    width: 20px;
    height: 20px;
    background: url(../images/jt.png)no-repeat center;
    background-size: cover;
    position: absolute;
    left: -19px;
}

#modular6 .changes a:hover {
    text-decoration: underline;
}

#modular6 .changes:nth-child(1):before {
    top: 30px;
}

#modular6 .changes:nth-child(2):before {
    top: 130px;
}

#modular6 .changes:nth-child(3):before {
    top: 230px;
}

#modular6 .changes:nth-child(4):before {
    top: 330px;
}

#modular6 .changes:nth-child(5):before {
    top: 430px;
}

#modular6 .changes:nth-child(6):before {
    top: 530px;
}

#modular6 .changes.active {
    display: block;
}

#modular6 .changes p {
    font-size: 16px;
    line-height: 32px;
}

.review {
    padding: 80px 0;
    background: url(../images/bg5.png) no-repeat center;
    background-size: cover;
}

.review .cn-title {
    color: #fff;
}

.review .line-title,
.review .line-title::after {
    background: #fff;
}

.review .content {
    position: relative;
}

.review .swiper-container {
    width: 1000px;
    margin: 0 auto;
}

.review .swiper-slide {
    width: 580px;
    height: 330px;
}

.review .swiper-slide img {
    width: 100%;
    height: 100%;
}

.review .swiper-slide .slide-shadow {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.5);
    transition: background 500ms;

}

.review .swiper-slide-active,
.review .swiper-slide-duplicate-active {
    transform: scale(1);
}

.review .swiper-slide-active .slide-shadow,
.review .swiper-slide-duplicate-active .slide-shadow {
    background: rgba(0, 0, 0, 0);
    transition: background 500ms;
}

.review .swiper-button-next::after,
.review .swiper-button-prev::after {
    content: '';
    display: none;
}

.review .swiper-button-next,
.review .swiper-button-prev {
    width: 50px;
    height: 50px;
}

.review .swiper-button-next {
    background: url(../images/next.png) no-repeat center;
    background-size: cover;
}

.review .swiper-button-prev {
    background: url(../images/prev.png) no-repeat center;
    background-size: cover;
}

#modular7 {
    overflow: hidden;
}

#modular7 .q {
    width: 100%;
    height: 80px;
    background: #f9f9f9;
    padding-left: 40px;
    cursor: pointer;
    margin-bottom: 30px;
}

#modular7 span {
    display: inline-block;
}

#modular7 .q p {
    line-height: 80px;
    padding-left: 44px;
    position: relative;
}

#modular7 .q p::before {
    content: '问';
    display: inline-block;
    position: absolute;
    width: 24px;
    height: 20px;
    background-color: #1b4680;
    border-radius: 0px 10px 10px 10px;
    color: #fff;
    font-size: 14px;
    font-weight: bold;
    left: 0;
    top: 30px;
    line-height: 20px;
    text-align: center;
}

#modular7 .qq {
    font-size: 20px;
    line-height: 40px;
    font-weight: bold;
    color: #1b4680;
}

#modular7 .q .btn {
    display: block;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 1px solid #666;
    position: absolute;
    top: 30px;
    right: 40px;
}

#modular7 .q .btn span {
    display: block;
    width: 12px;
    height: 2px;
    background: #666;
    position: absolute;
    top: 9px;
    left: 4px;
}

#modular7 .q .btn span:nth-child(2) {
    transform: rotate(90deg);
    transition: 500ms;
}

#modular7 li.active .q .btn {
    border: 1px solid #1b4680;
}

#modular7 li.active .q .btn span {
    color: #1b4680;
}

#modular7 li.active .q .btn span:nth-child(2) {
    transform: rotate(0deg);
    transition: 500ms;
}

#modular7 .a {
    margin-bottom: 30px;
    padding-left: 80px;
    position: relative;
    display: none;
}

#modular7 .aa {
    display: block;
    width: 24px;
    height: 20px;
    background-color: #ffba00;
    border-radius: 0px 10px 10px 10px;
    font-size: 14px;
    color: #ffffff;
    text-align: center;
    line-height: 20px;
    margin-top: 6px;
    position: absolute;
    left: 50px;
}

#modular7 .a div {
    margin-left: 10px;
}

#modular7 .a div p {
    font-size: 16px;
    line-height: 30px;
}

#modular8 {
    background: url(../images/bg4.png) no-repeat center;
    background-size: cover;
}

#modular8 .cont {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
}

#modular8 .cont .ll p {
    font-size: 18px;
    line-height: 42px;
    color: #ffffff;
}

#modular8 .cont .ll a {
    color: #fff;
}

#modular8 .cont .ll a:hover {
    text-decoration: underline;
}

#modular8 .cont .ll .tt {
    font-size: 32px;
    line-height: 50px;
    font-weight: bold;
    color: #ffba00;
    margin-bottom: 30px;
}

#modular8 .cont .rr {
    margin-top: 20px;
}

#modular8 .cont .rr>div {
    width: 180px;
    height: 180px;
    margin-bottom: 20px;
}

#modular8 .cont .rr p {
    font-size: 18px;
    color: #fff;
    text-align: center;
}

#modular8 .mbachina {
    display: block;
    text-align: center;
    margin: auto;
    margin-top: 30px;
    font-size: 16px;
    color: #fff;
}

@media(max-width: 980px) {

    html,
    body {
        overflow-x: visible;
    }

    #pc_nav .navbox li a {
        font-size: 16px;
    }

    #modular2 .content {
        width: 840px;
    }

    #modular1 .content .t-b {
        width: 690px;
    }

    #modular2 .r {
        margin-top: 100px;
    }

    #modular6 .changes {
        width: 840px;
        height: 630px;
        padding: 60px;
        border: solid 1px #ffba00;
        display: none;
        position: relative;
    }
    section{
        overflow: hidden;
    }
}