@charset "utf-8";

html,
body,
.banner,
.banner .slick,
.banner .slick div,
.banner .slick-slide a,
.banner .slick-slide a img {
    width: 100%;
    height: 100%;
}


body {
    overflow-x: hidden;
}

.banner {
    position: relative;
    /* z-index: 9; */
    overflow: hidden;
}

.banner a {
    display: block;
}

.banner>img {
    display: block;
    width: 100%;
}

.banner .slick {
    position: relative;
    z-index: 9;
}

.banner .slick-slide a {
    display: block;
    position: relative;
}

.banner .slick-slide a img {
    display: block;
    width: 100%;
}


.banner .slick-slide a::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: url(../images/banner-zz1.png) repeat-x;
    background-position: center top;
    z-index: 9;
}

.banner .slick-slide a::after {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: url(../images/banner-zzc2.png) repeat-x;
    background-position: center bottom;
    z-index: 9;
}

.banner .slick-slide.slick-current a img {
    animation: img_scale linear 8s;
}

@keyframes img_scale {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }

    100% {
        transform: scale(1);
    }

}

.banner .slick-dots {
    bottom: 5%;
    text-align: left;
    left: 8%;
}

.banner .slick-dots li {
    position: relative;
    vertical-align: middle;
    margin: 0 18px;
}

.banner .slick-dots li button {
    font-size: 18px;
    color: #ffffff;
    opacity: 0.7;
}

.banner .slick-dots li::after {
    content: '';
    width: 0;
    height: 1px;
    background-color: #ffffff;
    opacity: 0.7;
    position: absolute;
    top: 50%;
    left: 60px;
    transform: translateY(-50%);
    transition: all 0.3s;
}

.banner .slick-dots li.slick-active::after {
    width: 52px;
}

.banner .slick-dots li.slick-active {
    width: 34px;
    height: 35px;
    background: url(../images/banner-dots-active.png) no-repeat;
    background-size: 100%;
    margin-right: 80px;
}

.banner .slick-dots li.slick-active button {
    font-size: 0;
}

.banner .slick-dots li button::before {
    content: '0';
}


.banner-js {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 65%;
    height: 56%;
    background: url(../images/banner-txbj.png) no-repeat;
    background-size: 100% 100%;
    background-position: 0 0;
    z-index: 9;
    font-size: 0;
    text-align: right;
    animation: banner-js 5s infinite linear alternate;
}

@keyframes banner-js {
    0% {
        background-position: 0 0;
    }

    100% {
        background-position: 40px 40px;
    }
}

.banner-js h3 {
    font-size: 26px;
    line-height: 26px;
    border-left: 3px solid #fff;
    padding-left: 20px;
    color: #ffffff;
    display: inline-block;
    margin-right: 0;
    margin-bottom: 60px;
}

.banner-js ul li {
    display: inline-block;
    width: 38px;
    height: 38px;
    border: dashed 1px transparent;
    vertical-align: top;
    border-radius: 50%;
    position: relative;
}

.banner-js ul li:hover {
    border-color: #fff;
}

.banner-js ul li a {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: MicrosoftYaHei;
    font-size: 18px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 60px;
    letter-spacing: 0px;
    color: #efeff0;
}

.banner-js>div {
    position: absolute;
    bottom: 10%;
    right: 8%;
    width: 49%;
}

.wp {
    max-width: 85%;
    margin: 0 auto;
}

/* index */
.index {
    position: fixed;
    top: 100%;
    left: 0;
    right: 0;
    bottom: 0;
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 99;
    background: #fff;
    padding-top: 140px;
}

.s1 {
    background: url(../images/s1-bj.jpg) no-repeat;
    background-size: cover;
    padding: 110px 0;
}

.s1 .wp {
    margin-left: auto;
    margin-right: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: end;
}

.px1920 {
    max-width: 1920px;
    margin: 0 auto;
    overflow: hidden;
}

.s1-tit h3 i {
    display: inline;
    font-style: normal;
    position: relative;
    background-image: linear-gradient(#ddd, #ddd);
    background-position: 0 100%;
    background-size: 100% 1px;
    background-repeat: no-repeat;
    transition: background-size .5s;
    text-align: justify;
    line-height: 60px;
}

.s1-tit h3 {
    margin-top: 80px;
    padding-bottom: 100px;
    text-align: justify;
    font-size: 16px;
}

.s1-l {
    width: 35%;
}

.s1-r {
    width: 55%;
}

.s1-l>a {
    display: inline-block;
    font-size: 16px;
    line-height: 60px;
    color: #990000;
    padding-right: 40px;
    background: url(../images/s1-arrow.png) no-repeat;
    background-position: right center;
    transition: all 0.3s;
}

.s1-l>a:hover {
    opacity: 0.7;
}

.s1-qh {
    font-size: 0;
    margin-bottom: 50px;
    white-space: nowrap;
}

.s1-qh h3 b {
    font-family: SourceHanSerifCN-SemiBold;
    font-size: 26px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 26px;
    letter-spacing: 0px;
    color: #666666;
}

.s1-qh h3 {
    padding-right: 40px;
    margin-right: 30px;
    display: inline-block;
    vertical-align: top;
    cursor: pointer;
    position: relative;
    height: 87px;
}

.s1-qh h3::after {
    content: '/';
    font-size: 26px;
    position: absolute;
    top: 0;
    right: 0;
    color: rgba(0, 0, 0, 0.1);
}

.s1-qh h3:last-child:after {
    content: none;
}

.s1-qh h3 a {
    font-size: 16px;
    line-height: 60px;
    color: #990000;
    display: none;
}

.s1-qh h3 a:hover {
    opacity: 0.7;
}

.s1-qh h3.on a {
    display: block;
}

.s1-qh h3.on b {
    color: #990000;
    font-size: 32px;
}

.qh1 .pic,
.qh2 .pic {
    padding-top: 123%;
}

.qh-c {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: end;
}

.qh1 {
    width: 32%;
}

.qh2 {
    width: 66%;
}

.qh2 ul li a {
    margin: 0 16px;
}

.qh1 ul li a p {
    font-size: 22px;
    line-height: 70px;
    background-color: #990000;
    color: #ffffff;
    text-align: center;
}

.qh2 p {
    font-size: 22px;
    line-height: 70px;
    color: #333333;
    text-align: center;
}

.qh2 .slick-slider {
    margin-right: -100px;
}

/* 进度条 */
.s2-state {
    width: 80%;
    margin: 0 auto;
    overflow-x: hidden;
}

.s2-state div {
    height: 2px;
    background-color: #eee;
    position: relative;
}

.s2-state span {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background-color: #990000;
    transition: all 0.3s;
}

.qh2-btn {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    margin: 0 auto;
    margin-bottom: 30px;
}

.qh2-l {
    width: 40px;
    height: 40px;
    background: url(../images/s1-prev.png) no-repeat;
    background-size: 100%;
    cursor: pointer;
    transition: all 0.3s;
}

.qh2-r {
    width: 40px;
    height: 40px;
    background: url(../images/s1-next.png) no-repeat;
    background-size: 100%;
    cursor: pointer;
    transition: all 0.3s;
}

.qh2-l:hover {
    opacity: 0.3;
}

.qh2-r:hover {
    opacity: 0.3;
}

.qh-box {
    position: relative;
}

.qh-c {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: -1;
    opacity: 0;
    transition: all 0.3s;
}

.qh-c.on {
    position: relative;
    z-index: 1;
    opacity: 1;
}

.s2 {
    padding-top: 100px;
    padding-bottom: 50px;
    background: url(../images/s2-bj.jpg) no-repeat;
    background-size: cover;
    position: relative;
    overflow: hidden;
}

.s2::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    background: url(../images/s2-line.png) no-repeat;
    background-position: center center;
    background-size: 100% 260px;
    z-index: 1;
    animation: line 6s infinite alternate linear;
}

@keyframes line {
    0% {
        width: 100%;
    }

    100% {
        width: 200%;
    }
}

.s2 .wp {
    position: relative;
    z-index: 2;
}

.px1600 {
    margin: 0 auto;
    max-width: 1600px;
}

.tit {
    position: relative;
    text-align: center;
    margin-bottom: 20px;
}

.tit h3 {
    font-family: SourceHanSerifCN-SemiBold;
    font-size: 32px;
    color: #ffffff;
}

.tit h3::after {
    content: '';
    position: absolute;
    position: absolute;
    left: 50%;
    bottom: -25px;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background-color: #ffffff;
}

.tit a {
    font-size: 16px;
    color: #fff;
    padding-right: 40px;
    background: url(../images/s2-arrow.png) no-repeat;
    background-position: right center;
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    transition: all 0.3s;
}

.tit a:hover {
    opacity: 0.7;
}

.s2-list ul li a .pic {
    width: 100%;
    height: 100%;
    margin: 0 auto;
    border-radius: 50%;
    padding-top: 0;
}

.pic-box {
    position: relative;
    border-radius: 50%;
    width: 154px;
    height: 154px;
    margin: 0 auto;
    transition: all 0.3s;
}

.pic-box::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 110%;
    height: 110%;
    background-color: rgba(255, 255, 255, 0.2);
    ;
    border-radius: 50%;
    z-index: 1;
    display: none;
}

.pic-box::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 125%;
    height: 125%;
    border: 1px dashed rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    z-index: 1;
}

@keyframes xz {
    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.s2-list ul li a {
    transform: scale(0.9);
    transition: all 0.3s;
}

.s2-list ul li a:hover .pic-box::after {
    display: block;
}

.s2-list ul li a:hover .pic-box::before {
    display: block;
    animation: xz linear 15s infinite;
    border-color: rgba(255, 255, 255, 0.5);
}

.s2-list ul li a:hover {
    transform: scale(1.1);
}

.pic-box .pic {
    z-index: 2;
}

.s2-list ul li a .pic img {
    border-radius: 50%;
}

.s2-list .slick-list {
    padding: 50px 0;
}

.s2-list .slick-slide:nth-child(even) {
    padding-top: 430px;
}

.s2-list .slick-slide:nth-child(odd) {
    padding-bottom: 430px;
}

.s2-list ul li a p {
    font-size: 20px;
    line-height: 26px;
    color: #f5e5e5;
    text-align: center;
    margin-top: 40px;
    transition: all 0.3s;
}

.s2-list .slick-slide {
    position: relative;
}

.s2-list .slick-slide::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    background-color: #f5e5e5;
    border-radius: 50%;
}

.s2-list .slick-slide:nth-child(odd):after {
    top: 40%;
}

.s2-list .slick-prev {
    width: 40px;
    height: 40px;
    background: url(../images/s2-l.png) no-repeat;
    background-size: 100%;
}

.s2-list .slick-next {
    width: 40px;
    height: 40px;
    background: url(../images/s2-r.png) no-repeat;
    background-size: 100%;
}

/* s3 */
.s3 {
    padding: 80px 0;
    background: url(../images/s3-bj.jpg) no-repeat;
    background-size: cover;
}

.s3 .tit {
    margin-bottom: 60px;
}

.s3 .tit h3 {
    color: #333333;
}

.tit h3::after {
    background-color: #990000;
}

.tit a {
    color: #990000;
    background: url(../images/s1-arrow.png) no-repeat right center;
}


.s3-list .slick-prev {
    width: 40px;
    height: 40px;
    background: url(../images/s1-prev.png) no-repeat;
    background-size: cover;
    opacity: 0.3;
}

.s3-list .slick-next {
    width: 40px;
    height: 40px;
    background: url(../images/s1-next.png) no-repeat;
    background-size: cover;
    opacity: 0.3;
}


.s3-list .slick-slider {
    padding: 0 90px;
}



/* 移入展开 */
.nad1-c {
    position: relative;
}

.nad1-c>div {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    opacity: 0;
    z-index: -9;
    transition: all 0.5s;
}

.nad1-c>div.on {
    position: relative;
    z-index: 9;
    opacity: 1;
}

.teach-slick {
    overflow: hidden;
}

.teach-box .slick-track {
    transition: all 0.3s;

}

.teach-box ul.slick-slider {
    padding: 0 60px;
}

.teach-box ul li {
    transition: all 0.3s;
}

.teach-box ul li a {
    display: block;
    position: relative;
    margin: 20px;
    transition: all 0.3s;
}


.nad1-pic {
    position: relative;
    transition: all 0.3s;
    padding: 14px;
    background-color: #fff;
}

.nad1-pic .pic {
    padding-top: 123%;
}

.nad1-tit {
    position: absolute;
    bottom: -8px;
    right: -8px;
    background: url(../images/s3-name.png) no-repeat;
    width: 123px;
    height: 124px;
    background-size: 100% 100%;
    text-align: center;
    opacity: 1;
    transition: all 0.3s;
}

.nad1-tit h3 {
    font-size: 22px;
    font-weight: normal;
    line-height: 30px;
    color: #ffffff;
    position: absolute;
    right: 12px;
    bottom: 28px;
    /* top: 50%; */
    /* left: 50%; */
    white-space: nowrap;
    transform: rotate(-45deg);
    overflow: hidden;
    text-overflow: ellipsis;
    width: 70px;
}

.nad1-tit p {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: #ccc;
    font-size: 16px;
    line-height: 20px;
    margin-top: 10px;
}

.nad1-info {
    overflow: hidden;
    opacity: 0;
    transition: all 0.3s;
    position: absolute;
    left: 310px;
    top: 0;
    bottom: 0;
    right: 0;

}

.nad1-info h3 {
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    margin-bottom: 50px;
    position: relative;
}

.nad1-info h3::after {
    content: '';
    width: 38%;
    height: 1px;
    background-color: #990000;
    position: absolute;
    left: 0;
    bottom: 0;
}

.nad1-info h3 b {
    display: block;
    font-size: 24px;
    color: #333333;
}

.nad1-info h3 span {
    font-size: 16px;
    color: #990000;
}

.nad1-info>div {
    background: rgba(204, 204, 204, .6);
    margin: 25px 0;
}

.nad1-info>div div {
    width: 60px;
    height: 3px;
    background: #fff;
}

.nad1-info p {
    font-size: 14px;
    line-height: 28px;
    height: 56px;
    overflow: hidden;
    text-overflow: ellipsis;
    color: #666666;
}

.teach-box ul li:hover .nad1-info {
    opacity: 1;
    padding: 60px 60px 0 60px;
}

.teach-box ul li:hover .nad1-tit {
    opacity: 0;
}

.teach-box ul li:hover a {
    background: url(../images/s3-txbj.png) no-repeat #fff;
    background-position: right bottom;
}


.teach-box .slick-dots {
    position: relative;
    margin-top: 45px;
    font-size: 0;
    height: 3px;
    background-color: #d5d4d9;
    border-radius: 2px;
    margin-left: 20px;
    margin-right: 20px;
    width: auto;
}

.teach-box .slick-dots li {
    margin: 0;
    padding: 0;
    height: 100%;
}

.teach-box .slick-dots li button {
    width: 0;
    height: 100%;
    transition: all 0.3s;
    background-color: #94070a;
    margin: 0;
    padding: 0;
}

.teach-box .slick-dots li.slick-active button {
    width: 100%;
}

.teach-btn {
    position: absolute;
    right: -75px;
    bottom: 10px;
    border-radius: 50%;
    width: 85px;
    height: 85px;
    background-color: #dd723e;
    font-size: 0;
    line-height: 85px;
    text-align: center;
}

.teach-btn div {
    display: inline-block;
    vertical-align: middle;
    margin: 0 5px;
    cursor: pointer;
}

.teach-btn div img {
    display: block;
}

.teach-slick2>ul .slick-prev {
    width: 40px;
    height: 40px;
    background: url(../images/s1-prev.png) no-repeat;
    background-size: cover;
}

.teach-slick2>ul .slick-next {
    width: 40px;
    height: 40px;
    background: url(../images/s1-next.png) no-repeat;
    background-size: cover;
}

/* s4 */
.s4>.px1920{
    position: relative;
    z-index: 2;
}
.s4 {
    background-color: #f9f9f9;
    position: relative;
}

.s4-rx {
    margin-top: 0;
    margin-bottom: -219px;
    /* transform: translateY(108px); */
    position: relative;
    z-index: 3;
}

.s4-qh {
    margin-left: -70px;
}

.s4-rx img {
    width: 500px;
}

.s4 .icon {
    width: 60px;
    height: 60px;
    position: relative;
    margin: 0 auto;
    z-index: 2;
}
.s4-l ul li:hover .icon{
    animation: jello 1s;
}
.s4 .icon img {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.s4-l {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
}

.s4-l a p {
    font-family: SourceHanSerifCN-SemiBold;
    font-size: 26px;
    color: #333333;
}

.s4-l ul li {
    position: relative;
    width: 165px;
    height: 165px;
    text-align: center;
    padding-top: 30px;
    cursor: pointer;
}

.s4-l ul li a {
    position: relative;
    z-index: 2;
    transform-origin: center center;
}

.s4-l ul li::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: #fff;
    left: 0;
    top: 0;
    transform: rotate(45deg) scale(1.3);
}

.s4-l ul li.on::after {
    background-color: #990000 !important;
}

.s4-l ul li.on p {
    color: #fff;
}

.s4-l ul li:nth-child(2):after {
    background-color: #eeeeee;
}

.s4-l ul li:nth-child(2) {
    margin-left: 165px;
}

.s4-l ul li .icon img:last-child {
    display: none;
}

.s4-l ul li.on .icon img:last-child {
    display: block;
}

.s4-l ul li.on .icon img:first-child {
    display: none;
}



.s4-l {
    float: left;
    margin-right: 5%;
}

.s4-r {
    overflow: hidden;
}

.s4-num ul {
    font-size: 0;
    /* text-align: center; */
    /* display: flex;
   justify-content: space-around; */
}

.s4-num ul li {
    width: 267px;
    height: 298px;
    position: relative;
    background: url(../images/s3-tit1.png) no-repeat;
    background-size: 100% 100%;
    transition: all 0.3s;
    display: inline-block;
    vertical-align: top;
}

.s4-num ul li:hover {
    background: url(../images/s3-tit2.png) no-repeat;
    background-size: 100% 100%;
}

.s4-num ul li a {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.s4-num ul li a h3 {
    font-family: Candara;
    font-size: 34px;
    color: #333;
    margin-bottom: 10px;
}

.s4-num ul li a p {
    font-size: 18px;
    color: #333333;
}

.s4-num {
    margin: 50px 0;
}

.s4-list {
    margin-left: 8%;
    max-width: 80%;
    position: relative;
    z-index: 4;
}

.s4-list ul li a {
    line-height: 36px;
    padding: 17px 0;
}

.s4-list ul li a p {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    font-size: 18px;
    color: #333333;
}

.s4-list ul li a span {
    width: 110px;
    border-radius: 18px;
    float: left;
    text-align: center;
    border: solid 1px rgba(153, 0, 0, 0.3);
    border-radius: 18px;
    font-size: 16px;
    color: #990000;
    margin-right: 20px;
}

.s4-list ul li a:hover span {
    background-color: #990000;
    color: #fff;
}

.s4-more {
    font-size: 16px;
    color: #990000;
    text-align: right;
    margin-top: 60px;
    margin-bottom: 50px;
    position: relative;
    z-index: 4;
}

.s4-more:hover {
    opacity: 0.7;
}











@media screen and (max-width: 1700px) {

    .s4-rx img {
        width: 450px;
    }

    .foot {
        margin-top: 0;
    }

    .s4-rx {
        margin-bottom: -196px;
    }

}





@media screen and (max-width: 1600px) {

    .s2-state {
        width: 70%;
    }

    .wp {
        max-width: 90%;
    }



    .s1-qh h3.on b {
        font-size: 28px;
    }

    .s1-qh h3 b {
        font-size: 20px;
    }

    .s4-num ul li a h3 {
        font-size: 26px;
    }

    .s4-num ul li a p {
        font-size: 16px;
    }

    .s4-num {
        margin: 30px 0;
    }

    .s4-l ul li {
        width: 120px;
        height: 120px;
        padding-top: 20px;
    }

    .s4-rx img {
        width: 360px;
    }

    .s4-rx {
        margin-bottom: -155px;
    }

    .s4-l ul li:nth-child(2) {
        margin-left: 120px;
    }

    .s4-qh {
        margin-left: -51px;
    }

    .s4-more {
        margin-top: 15px;
    }

    .s4-l a p {
        font-size: 20px;
    }
}

@media screen and (max-width: 1500px) {
    .s4-num ul li {
        width: 220px;
        height: 260px;
    }
}

@media screen and (max-width: 1300px) {
    .s4-num ul li {
        width: 170px;
        height: 230px;
    }

    .foot::after {
        background-size: 0;
    }

  /*  .s4-list {
        max-width: 100%;
    }*/
}

@media screen and (max-width: 1200px) {
    #downPage {
        display: none;
    }

    html,
    body,
    .banner,
    .banner .slick,
    .banner .slick div,
    .banner .slick-slide a,
    .banner .slick-slide a img {
        height: auto !important;
    }

    .index {
        position: static;
        padding-top: 0;
    }

    .banner-js {
        display: none;
    }


    .banner .slick-dots {
        text-align: center;
        left: auto;
    }

    .banner .slick-slide a::before {
        content: none;
    }

    .s1 .wp {
        display: block;
        margin: 0 auto;
    }

    .s1-l {
        width: 100%;
        margin-bottom: 30px;
    }

    .s1-r {
        width: 100%;
    }

    .s1-tit h3 {
        margin-top: 20px;
        padding-bottom: 30px;
    }

    .s1-qh {
        margin-bottom: 10px;
    }

    .s4-r {
        padding-top: 200px;
    }

    .s4-l {
        margin-left: -60px;
    }

    .s4-num {
        position: relative;
        left: 5%;
        top: 0;
        margin: 0;
    }

}

@media screen and (max-width: 1024px) {

    .s1,
    .s3 {
        padding: 60px 0;
    }

    .s2 {
        padding-top: 60px;
        padding-bottom: 0;
    }

    .s2-list .slick-slide:nth-child(even) {
        padding-top: 360px;
    }

    .s2-list .slick-slide:nth-child(odd) {
        padding-bottom: 360px;
    }

    .tit h3 {
        font-size: 28px;
    }

    .teach-box ul.slick-slider {
        padding: 0;
    }

    .teach-slick2>ul .slick-arrow {
        display: none !important;
    }

    .nad1-tit {
        width: 83px;
        height: 84px;
    }

    .nad1-tit h3 {
        line-height: 24px;
        font-size: 16px;
        right: 4px; 
        bottom: 18px;
        width: 50px;
    }

    .s4-l {
        float: none;
        width: auto;
        margin: 0;
    }

    .s4-r {
        padding-top: 0;
    }

    .s4-num ul li {
    /*    display: block;*/
    }
}

@media screen and (max-width: 768px) {
    .tit h3 {
        font-size: 24px;
    }

    .s2-list .slick-slide:nth-child(even) {
        padding-top: 0;
    }

    .s2-list .slick-slide:nth-child(odd) {
        padding-bottom: 0;
    }

    .s2-list .slick-slide::after {
        content: none;
    }

    .s2-list .slick-arrow {
        display: none !important;
    }

    .banner .slick-dots {
        transform: scale(0.8);
    }

    .qh1 {
        display: none;
    }

    .qh2 {
        width: 100%;
    }

    .qh2-btn {
        display: none;
    }

    .s1-qh {
        overflow-x: auto;
    }

    .qh2 .slick-slider {
        margin-right: 0;
    }

    .s1-qh h3.on b {
        font-size: 24px;
    }

    .s1-qh h3 b {
        font-size: 20px;
    }

    .s1-qh h3 {
        margin-right: 20px;
        padding-right: 25px;
    }

    .s1-qh h3 a {
        font-size: 14px;
    }

    .s1-tit h3 i {
        line-height: 50px;
    }

    .qh2 p {
        font-size: 18px;
        line-height: 60px;
    }

    .s4-num{
        position: static;
        text-align: center;
    }
    .s4-num ul li{
        display: inline-block;
    }
}

@media screen and (max-width: 600px){
    .s4-rx{
        margin-bottom: -110px;
    }
    .s4-rx img{
        width: 260px;
    }
    .s4-r{
        overflow: visible;
    }
    .s4-num ul li{
        width: 160px;
        height: 200px;
        margin-top: -60px;
    }
    .s4-num ul li a h3{
        font-size: 20px;
    }
    .s4-num ul li a p{
        font-size: 14px;
    }
    .s4-list{
        margin: 0;
        padding: 0 10px;
        max-width: 100%;

    }
    .s4-list ul li a p{
        font-size: 16px;
    }
    .s4-list ul li a span{
        font-size: 12px;
        width: 80px;
        margin-right: 10px;
    }
    .s4-list ul li a{
        padding: 10px 0;
        line-height: 30px;
    }
}
@media screen and (max-width: 480px) {
    .s4-l{
        transform: scale(0.8);
        margin-left: -60px;
    }
    .s1,
    .s3 {
        padding: 30px 0;
    }

    .s2 {
        padding-top: 30px;
    }

    .banner .slick-dots {
        transform: scale(0.6);
    }

    .s1-tit h3 i {
        line-height: 40px;
    }

    .s3 .tit {
        margin-bottom: 30px;
    }
}