html {
    font-size: 20px;
}

@media (max-width: 1920px) {
    html {
        font-size: 16px;
    }
}
@media (max-width: 1500px) {
    html {
        font-size: 14px;
    }
}
@media (max-width: 992px) {
    html {
        font-size: 12px;
    }
}

.dth_wh.w-top {
    width: 100%;
    max-width: 100%;
    padding: 0 2%;
}

.w-top {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9;
    background: url("../images/top_ba.png") no-repeat center bottom;
    padding-bottom: 180px;
    background-size: cover;
}
.w-con1 {
    width: 90%;
    margin: 0 auto;
}
.w-con {
    width: 1800px;
    margin: 0 auto;
}
.container {
    width: 1800px;
}

@media (max-width: 1920px) {
    .w-con {
        width: 1400px;
    }
    .container {
        width: 1430px;
    }
}

@media (max-width: 1500px) {
    .w-con1 {
        width: calc(100% - 30px);
    }
    .w-con {
        width: 1180px;
    }
    .container {
        width: 1150px;
    }
}
@media (max-width: 1200px) {
    .w-con1 {
        width: calc(100% - 30px);
    }
    .w-con {
        width: calc(100% - 30px);
    }
    .container {
        width: 100%;
    }
}
.w-phone {
    position: relative;
    border-radius: 18px;
    width: 192px;
    flex-shrink: 0;
    color: #ffffff;
    font: 400 18px/36px "Arial";
    background-color: rgba(191, 25, 32, 0.9);
    padding-left: 44px;
    position: relative;
}

.w-phone img {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 15px;
    max-height: 22px;
    margin-right: 6px;
}
/* 搜索 */

.w-ss-key {
    padding: 16px 0;
    color: #444444;
    font: 600 15px/42px "Microsoft yahei";
    position: relative;
    z-index: 50;
}
.w-key a {
    position: relative;
    color: #333333;
    font: 400 15px/42px "Microsoft yahei";
}
.w-key a + a::before {
    color: #333333;
    font: 400 15px/42px "Microsoft yahei";
    content: "、";
    display: inline-block;
}
.w-key a:hover {
    color: #bf1920;
}

.w-ss {
    z-index: 999;
    width: 338px;
    height: 42px;
    background-color: #f1f1f1;
    border-radius: 21px;
    overflow: hidden;
}

.w-ss input {
    outline: none;
    line-height: 42px;
    width: 20%;
    background: none;
    border: 1px solid #fff;
    background: #fff;
    font-size: 13px;
    color: #666666;
    float: left;
}

.w-ss #keyword {
    padding-left: 22px;
    line-height: 42px;
    width: 80%;
    background: none;
    border: none;
    outline: none;
    font-size: 13px;
    color: #666666;
    float: left;
}
.w-ss #s_btn {
    border-radius: 21px;
    overflow: hidden;
    background: url("../images/search1.png") no-repeat center #bf1920;
    font-size: 0;
}
.w-ss #keyword:-webkit-autofill {
    -webkit-text-fill-color: #fff !important;
    transition: background-color 5000s ease-in-out 0s;
}

.w-ss #keyword::placeholder {
    color: #666666;
    font-size: 14px;
    font-weight: 400;
}
/* 标题 */
.w-tt h2 {
    text-align: center;
    color: #333333;
    font-weight: 600;
    font-size: 3rem;
    line-height: 52px;
    font-family: "Microsoft yahei";
}
.w-tt h3 {
    text-align: center;
    color: #666666;
    font-weight: 400;
    font-size: 20px;
    line-height: 2.6;
}
.w-tt.write h2 {
    color: #fff;
}
.w-tt.write h3 {
    color: #fff;
    line-height: 32px;
    margin-top: 2vh;
}
.w-tt.write .line {
    width: 46px;
    height: 2px;
    background-color: #ffffff;
    border-radius: 1px;
    opacity: 0.5;
    margin: 0 auto;
    margin-top: 2vh;
}


@media (max-width: 1400px) {
    .w-tt h3 {
        font-size: 18px;
    }
}

@media (max-width: 990px) {
    .w-tt h3 {
        font-size: 16px;
    }
}
@media (max-width: 640px) {
    .w-tt h3 {
        font-size: 14px;
    }
}

/* 产品 */
.w-product {
    padding: 7vh 0;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}
.w-product-con {
    margin-top: 6vh;
    align-items: stretch;
}
.w-product-left {
    width: 20%;
}
.w-product-left-tt {
    text-align: center;
    height: 98px;
    background-color: #bf1920;
    padding: 16px;
    color: #ffffff;
    font-weight: 600;
    font-size: 1.875rem;
    line-height: 44px;
}
.w-product-left-tt span {
    display: block;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 400;
    font-size: 0.9375rem;
    line-height: 22px;
    font-family: "Arial";
}
.w-product-left-sort li a {
    position: relative;
    display: block;
    color: #666666;
    font-weight: 400;
    font-size: 1.0625rem;
    line-height: 3.25rem;
    padding-left: 5vh;
    background-color: #fff;
}
.w-product-left-sort li a::before {
    position: absolute;
    left: 0;
    top: 15px;
    content: "";
    width: 2px;
    height: 20px;
    background-color: #ffffff;
    display: block;
}
.w-product-left-sort li {
    margin-top: 5px;
}
.w-product-left-sort li a .more {
    position: absolute;
    top: 15px;
    right: 20px;
    width: 22px;
    height: 22px;
    background: url("../images/jt_r1.png") no-repeat center #eeeeee;
    border-radius: 11px;
    overflow: hidden;
}
.w-product-left-sort li:hover a {
    background-color: #bf1920;
    color: #fff;
}
.w-product-left-sort li:hover a .more {
    background: url("../images/jt_r1.png") no-repeat center #fff;
}
.w-product-right {
    position: relative;
    width: 77%;
}

.hot-tt {
    background-color: #bf1920;
    width: 90px;
    height: 90px;
    position: absolute;
    z-index: 9;
    left: 10px;
    top: -10px;
    padding: 15px;
    text-align: center;
    color: #ffffff;
    font: 400 22px/30px "Microsoft yahei";
}

.product-item1 {
    position: relative;
    background-color: #fff;
    display: flex;
    display: -webkit-flex;
    justify-content: space-between;
    flex-wrap: wrap;
    align-items: center;
    padding: 15px 0;
    /* background: url("../images/pro_back.jpg") no-repeat right center #fff; */
    background: #ffffff;
}
.product-item1 a {
}
.product-item1 .img {
    width: 51%;
}
.product-item1 .wz {
    width: 43.8%;
    padding-bottom: 5vh;
    padding-right: 70px;
}
.product-item1 .wz h3 {
    color: #333333;
    font-weight: 600;
    font-size: 1.5rem;
    line-height: 52px;
    font-family: "Microsoft yahei";
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    padding-bottom: 10px;
}
.product-item1 .wz .wz-p {
    margin-top: 2vh;
    margin-bottom: 5vh;
    color: #888888;
    font-weight: 400;
    font-size: 1rem;
    line-height: 30px;
    font-family: "Microsoft yahei";
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
}
.product-item1 .wz .wz-more a {
    width: 152px;
    border: solid 2px #bf1920;
    margin-right: 15px;
    display: block;
    float: left;
    padding-left: 62px;
    font: 400 14px/46px "Microsoft yahei";
}
.product-item1 .wz .wz-more a.more1 {
    color: #fff;
    background: url("../images/btn1.png") no-repeat 36px center #bf1920;
}
.product-item1 .wz .wz-more a.more2 {
    color: #bf1920;
    background: url("../images/mesg1.png") no-repeat 36px center;
}
.w-product-list1 {
    position: relative;
}
.w-product-list1 .owl-dots {
    position: absolute;
    left: 56.2%;
    bottom: 4vh;
}
.w-product-list1 .owl-dots .owl-dot {
    width: 10px;
    height: 10px;
    border: solid 1px #b4b4b4;
    border-radius: 5px;
    margin-right: 2vh;
    overflow: hidden;
}
.w-product-list1 .owl-dots .owl-dot.active {
    background-color: #bf1920;
    border: solid 1px #bf1920;
}
.w-product-list2 {
    margin-top: 2vh;
}
.w-product-list2 li {
    width: calc(33.33% - 12px);
    margin-top: 1vh;
}
.w-product-list2 li .img {
    overflow: hidden;
    background: #fff;
    /*padding: 35px 0;*/
}
.w-product-list2 li .img img {
    width: 100%;
    transition: all 0.8s;
}

.w-product-list2 li h3 {
    text-align: center;
    color: #666666;
    font-weight: 400;
    font-size: 1.0625rem;
    line-height: 60px;
    font-family: "Microsoft yahei";
}
.w-product-list2 li:hover .img img {
    transition: all 0.8s;
    transform: scale(1.05);
}
.w-product-list2 li:hover h3 {
    color: #bf1920;
}
@media (max-width: 1920px) {
    .w-product-left-sort li {
        margin-top: 6px;
    }
    .w-product-left-sort li a {
        font: 400 17px/51px "Microsoft yahei";
    }
}

@media (max-width: 1500px) {
    .w-product-left-sort li a {
        font: 400 17px/44px "Microsoft yahei";
    }
    .product-item1 .wz .wz-more a {
        width: 138px;
    }
    .product-item1 .wz .wz-more a.more1 {
        background: url("../images/btn1.png") no-repeat 26px center #bf1920;
    }
    .product-item1 .wz .wz-more a.more2 {
        background: url("../images/mesg1.png") no-repeat 26px center;
    }
    .w-product-left-sort li a .more {
        top: 11px;
    }
}

@media (max-width: 1200px) {
    .w-product-right {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .product-item1 .img {
        width: 100%;
    }
    .product-item1 .wz {
        width: 100%;
        padding-right: 15px;
        padding-left: 15px;
    }
    .product-item1 .wz .wz-p {
        font-size: 14px;
    }
    .w-product-list2 li {
        width: 49%;
    }
    .w-product-list2 li h3 {
        word-break: keep-all;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .w-product-list1 .owl-dots {
        display: none;
    }
}

/* 横幅 */
.w-hf {
    padding: 6vh 0 7.7vh;
    /* margin-top: 5px; */
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}
.w-hf-l {
    width: 34%;
}

.w-hf-l h3 {
    color: #ffffff;
    font: 600 56px/80px "Microsoft yahei";
    padding-bottom: 2vh;
    margin-bottom: 2vh;
    border-bottom: 1px solid rgba(255, 255, 255, 0.33);
}
.w-hf-l .wz p {
    position: relative;
    color: #ffffff;
    font: 400 22px/38px "Microsoft yahei";
    padding-left: 20px;
}
.w-hf-l .wz p::before {
    position: absolute;
    left: 0;
    top: 13px;
    content: "";
    display: block;
    width: 12px;
    height: 12px;
    border: solid 1px #ffffff;
    border-radius: 6px;
}
.w-hf-r {
    width: 45%;
}
.w-hf-phone h3 {
    padding-left: 30px;
    background: url("../images/tel1.png") no-repeat left center;
    color: #ffffff;
    font: 400 15px/28px "Microsoft yahei";
}
.w-hf-phone h2 {
    color: #ffffff;
    font: 600 36px/66px "Arial";
}
.w-hf-phone a.more {
    display: block;
    width: 154px;
    height: 44px;
    background-color: #bf1920;
    border-radius: 22px;
    overflow: hidden;
    color: #fff;
    font: 400 14px/44px "Microsoft yahei";
    text-align: center;
    margin-top: 4vh;
}
.w-hf-ewm {
    width: 275px;
}

.w-hf-ewm li img {
    width: 122px;
}
.w-hf-ewm li h3 {
    text-align: center;
    color: #ffffff;
    font: 400 14px/52px "Microsoft yahei";
}

@media (max-width: 1500px) {
    .w-hf-l h3 {
        font: 600 32px/66px "Microsoft yahei";
    }
    .w-hf-l .wz p {
        font: 400 17px/32px "Microsoft yahei";
    }
    .w-hf-l .wz p::before {
        top: 11px;
        width: 10px;
        height: 10px;
    }
    .w-hf-phone h2 {
        font: 600 28px/52px "Microsoft yahei";
    }
    .w-hf-ewm {
        width: 220px;
    }
    .w-hf-ewm li img {
        width: 100px;
    }
}

@media (max-width: 1200px) {
    .w-hf-l {
        width: 38%;
    }
    .w-hf-r {
        width: 260px;
    }
}
@media (max-width: 768px) {
    .w-hf {
        background-position: right center;
        background-size: cover;
    }
    .w-hf-l {
        width: 100%;
    }
    .w-hf-r {
        width: 100%;
    }
}
/* 理由 */
.w-reason {
    background-repeat: no-repeat;
    background-position: center;
    padding: 7vh 0;
}
.w-reason-con {
    margin: 0 auto;
    margin-top: 6vh;
    width: 1844px;
}

.w-reason-list1 {
    width: 79.5%;
    margin: 0 auto;
}
.w-reason-list li {
    margin-left: 44px;
    padding-right: 44px;
    background: url("../images/back1.png") no-repeat 74px 55px;
}
.w-reason-list li img {
    width: 196px;
    height: 226px;
}
.w-reason-list li h3 {
    margin-top: 8px;
    text-align: center;
    color: #333333;
    font: 400 20px/30px "Microsoft yahei";
}
.w-reason-list li h3 span {
    display: block;
}
.w-reason-list2 {
    margin-top: 15px;
}
.m-reason-list {
    display: none;
}
@media (max-width: 1920px) {
    .w-reason-con {
        width: 1440px;
    }
}
@media (max-width: 1500px) {
    .w-reason-con {
        display: none;
    }
    .m-reason-list {
        display: block;
    }
    .m-reason-list li {
        width: 30%;
        margin-bottom: 1vh;
    }
    .m-reason-list li img {
        width: 100%;
    }
    .m-reason-list li h3 {
        text-align: center;
        margin-top: 6px;
        color: #333;
        font: 400 16px/30px "Microsoft yahei";
        text-overflow: -o-ellipsis-lastline;
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        line-clamp: 2;
        -webkit-box-orient: vertical;
    }
    .m-reason-list li h3 span {
        display: block;
    }
}

@media (max-width: 768px) {
    .m-reason-list li h3 {
        font: 400 13px/30px "Microsoft yahei";
    }
}
/* 认证实力 */
.w-strength {
    padding: 8vh 0 9vh;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}
.w-strength-con {
    position: relative;
    margin-top: 7vh;
}
.strengthSwiper {
    overflow: hidden;
}

.strengthSwiper .item {
    position: relative;
    padding: 0 30px;
    padding-bottom: 100px;
}
.strengthSwiper .item .img {
    position: relative;
    z-index: 9;
    margin-left: 18px;
    margin-right: 18px;
}
.strengthSwiper .item .img img {
    width: 100%;
}
.strengthSwiper .item h3 {
    position: absolute;
    bottom: 0;
    left: 15px;
    right: 15px;
    z-index: 1;
    color: #ffffff;
    font-weight: 400;
    font-size: 1.0625rem;
    line-height: 34px;
    font-family: "Microsoft yahei";
    height: 180px;
    /* background-color: #313742; */
    padding-top: 100px;
    text-align: center;
    background: url("../images/back_zs.png") no-repeat center bottom;
}

.strengthSwiper .item:hover h3 {
    background: url("../images/back_zs2.png") no-repeat center bottom;
}
.w-strength-con .swiper-button-next {
    font-size: 0;
    position: absolute;
    top: 45%;
    right: 10%;
    width: 50px;
    height: 50px;
    background: url("../images/prev1.png") no-repeat center !important;
}
.w-strength-con .swiper-button-prev {
    font-size: 0;
    position: absolute;
    top: 45%;
    left: 10%;
    width: 50px;
    height: 50px;
    background: url("../images/prev1.png") no-repeat center !important;
}

.w-strength-con .swiper-button-prev::after {
    display: none;
}
.w-strength-con .swiper-button-next::after {
    display: none;
}

/* 应用案例 */
.w-apply {
    padding: 8vh 0 5vh;
}
.w-apply-con {
    margin-top: 5vh;
}
.w-apply-l {
    width: 34.7%;
}
.w-apply-l li {
    width: 49%;
    background-color: #f2f2f2;
    border: solid 1px #eaeaea;
    color: #666666;
    font-weight: 400;
    font-size: 1.25rem;
    line-height: 6rem;
    font-family: "Microsoft yahei";
    text-align: center;
}
.w-apply-l li:nth-child(n + 3) {
    margin-top: 11px;
}
.w-apply-l li.cur {
    background-color: #bf1920;
    color: #fff;
}
.w-apply-r {
    position: relative;
    width: 63.6%;
    overflow: hidden;
    text-overflow: ellipsis;
}
.w-apply-r .ttz1 {
    z-index: -1;
    position: absolute;
    visibility: hidden;
    opacity: 0;
}
.w-apply-r .ttz1.cur {
    z-index: 1;
    position: relative;
    opacity: 1;
    visibility: visible;
}
.w-apply-r .img img {
    width: 100%;
}

@media (max-width: 1920px) {
    .w-apply-l {
        width: 34.7%;
    }
    .w-apply-r {
        width: 63.6%;
    }
    .w-apply-l li {
        line-height: 5.625rem;
    }
}

@media (max-width: 1200px) {
    .w-apply-l li {
        line-height: 58px;
    }
}

@media (max-width: 768px) {
    .w-apply-l {
        width: 100%;
    }
    .w-apply-r {
        width: 100%;
        margin-top: 15px;
    }
}

/* 合作客户 */
.w-cooper {
    position: relative;
    padding: 6vh 0;
    background: url("../images/back_hz.png") no-repeat center;
    background-size: 100% auto;
}
.w-cooper-con {
    position: relative;
    padding: 25px 66px;
}
.cooperSwiper {
    overflow: hidden;
}
.cooperSwiper .bg {
    padding: 5px;
}
.cooperSwiper .img {
    border: solid 1px #e1e1e1;
}
.cooperSwiper .img img {
    width: 100%;
}
.cooperSwiper .item .img:hover {
    border: solid 1px #fff;
    box-shadow: 0 0 3px rgba(0, 0, 4, 0.1);
}
.w-cooper-con .swiper-button-next {
    font-size: 0;
    position: absolute;
    top: 45%;
    right: 10x;
    width: 50px;
    height: 50px;
    background: url("../images/prev2.png") no-repeat center !important;
}
.w-cooper-con .swiper-button-prev {
    font-size: 0;
    position: absolute;
    top: 45%;
    left: 10px;
    width: 50px;
    height: 50px;
    background: url("../images/prev2.png") no-repeat center !important;
}
.w-cooper-con .swiper-button-next::after {
    display: none;
}
.w-cooper-con .swiper-button-prev::after {
    display: none;
}

@media (max-width: 768px) {
    .w-cooper-con {
        padding: 10px 0;
    }
}

/* 简介 */
.w-about {
    position: relative;
    border-top: 10px solid #bf1920;
    background-color: #edeff1;
    align-items: stretch;
}
.w-about-left {
    width: 49%;
    position: relative;
}
.w-about-left .tu img {
    width: 100%;
}

.w-about-left .round {
    position: absolute;
    width: 96px;
    height: 96px;
    margin-right: -48px;
    margin-bottom: -48px;
}

.w-about-left .round span {
    display: block;
    position: absolute;
    width: 100%;
    height: 100%;
    background: url("../images/play_btn.png") no-repeat center;
    border-radius: 50%;
    z-index: 9;
}

.w-about-left .round span:after {
    /* position: absolute;
    width: 4px;
    height: 4px;
    content: "";
    left: 50%;
    margin-left: -2px;
    top: 50%;
    margin-top: -2px;
    background: #fff;
    border-radius: 50%; */
}

.w-about-left .round .pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 5;
    margin-top: -80px;
    margin-left: -80px;
    width: 160px;
    height: 160px;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    border-radius: 50%;
    background: #bf1920;
    /*! box-shadow:1px 1px 20px #b90000;*/
    -webkit-animation: warn 3s ease-out 1.5s;
    -moz-animation: warn 3s ease-out 1.5s;
    animation: warn 3s ease-out 1.5s;
    -webkit-animation-iteration-count: infinite;
    -moz-animation-iteration-count: infinite;
    animation-iteration-count: infinite;
    transform: scale(0);
}

.w-about-left .round .pulse1 {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 5;
    margin-top: -69px;
    margin-left: -69px;
    width: 138px;
    height: 138px;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    border-radius: 50%;
    background: #bf1920;
    /*! box-shadow:1px 1px 20px #b90000;*/
    -webkit-animation: warn 3s ease-out;
    -moz-animation: warn 3s ease-out;
    animation: warn 3s ease-out;
    -webkit-animation-iteration-count: infinite;
    -moz-animation-iteration-count: infinite;
    animation-iteration-count: infinite;
    transform: scale(0);
}

@keyframes warn {
    0% {
        transform: scale(0.3);
        -webkit-transform: scale(0.3);
        opacity: 0;
    }

    25% {
        transform: scale(0.3);
        -webkit-transform: scale(0.3);
        opacity: 0.1;
    }

    50% {
        transform: scale(0.5);
        -webkit-transform: scale(0.5);
        opacity: 0.3;
    }

    75% {
        transform: scale(0.8);
        -webkit-transform: scale(0.8);
        opacity: 0.6;
    }

    100% {
        transform: scale(1);
        -webkit-transform: scale(1);
        opacity: 0;
    }
}

.w-about-left .play {
    position: absolute;
    left: 46%;
    top: 46%;
    z-index: 1;
    transform: translate(-50%, -50%);
    width: 13.542%;
}

.w-about-left .play img {
    max-width: 100%;
}
.w-about-right {
    padding: 7vh 0;
    background-size: cover;
    width: 51%;
    background: url("../images/back_ab_r.jpg") no-repeat center #edeff1;
}
.w-about-con {
    width: 900px;
    padding-left: 44px;
}
.w-about-title {
    margin-bottom: 3vh;
}
.w-about-title h3 {
    color: #bf1920;
    font-weight: 600;
    font-size: 3rem;
    line-height: 3.25rem;
    font-family: "Microsoft yahei";
}
.w-about-title h4 {
    color: #333333;
    font-weight: 400;
    font-size: 1.875rem;
    line-height: 58px;
    font-family: "Microsoft yahei";
}
.w-about-wz {
    color: #555555;
    font: 400 17px/28px "Microsoft yahei";
    font-weight: 400;
    font-size: 1.0625rem;
    line-height: 1.75rem;

    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
}
.w-about-wz p {
}
.w-about-num {
    margin-top: 6vh;
    margin-bottom: 7vh;
}
.w-about-num h3 {
    color: #333333;
    font-weight: 600;
    font-size: 3.75rem;
    line-height: 66px;
    font-family: "Arial";
}
.w-about-num h3 i {
    font-style: normal;
}
.w-about-num h4 {
    color: #666666;
    font: 400 16px/32px "Microsoft yahei";
}
a.w-about-more {
    text-align: center;
    display: block;
    width: 166px;
    background-color: #bf1920;
    color: #ffffff;
    font: 400 16px/50px "Microsoft yahei";
}

@media (max-width: 1920px) {
    .w-about-con {
        width: 700px;
    }
}

@media (max-width: 1500px) {
    .w-about-con {
        width: 590px;
    }
    .w-about-right {
        padding: 5vh 0;
    }
    .w-about-title {
        margin-bottom: 1vh;
    }
    .w-about-num {
        margin-top: 2vh;
        margin-bottom: 2vh;
    }
}

@media (max-width: 1200px) {
    .w-about-right {
        width: 100%;
    }
    .w-about-con {
        width: 100%;
        padding-left: 15px;
        padding-right: 15px;
    }
}

/* 环境 */
.w-evi {
    padding: 4vh 0 6vh;
    background: url("../images/back_hj.png") no-repeat center bottom;
}
.evi-item .img {
    overflow: hidden;
}
.evi-item .img img {
    width: 100%;
    transition: all 0.8s;
}
.evi-item .img:hover img {
    transition: all 0.8s;
    transform: scale(1.05);
}
/* 新闻 */
.w-news {
    padding: 7vh 0;
    background: url("../images/back_news.png") no-repeat center bottom;
}
.w-news-con {
    margin-top: 5vh;
}
.w-news-list1 li {
    width: 31.4%;
}
.w-news-list1 li .img {
    overflow: hidden;
    position: relative;
}
.w-news-list1 li .img img {
    width: 100%;
    transition: all 0.8s;
}
.w-news-list1 li .img h5 {
    width: 100px;
    border-radius: 12px;
    background-color: rgba(0, 0, 0, 0.6);
    position: absolute;
    left: 20px;
    bottom: 20px;
    color: #fff;
    text-align: center;
    font: 400 14px/24px "Arial";
}
.w-news-list1 li h3 {
    color: #333333;
    font-weight: 400;
    font-size: 1.125rem;
    line-height: 60px;
    font-family: "Microsoft yahei";
    margin-top: 8px;
    word-break: keep-all;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.w-news-list1 li h4 {
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    color: #888888;
    font: 400 15px/28px "Microsoft yahei";
    font-weight: 400;
    font-size: 0.9375rem;
    line-height: 28px;
    font-family: "Microsoft yahei";
}
.w-news-list1 li:hover .img img {
    transition: all 0.8s;
    transform: scale(1.05);
}
.w-news-list1 li:hover .img h5 {
    background-color: rgba(191, 25, 32, 0.8);
}
.w-news-list1 li:hover h3 {
    color: #bf1920;
}
.w-news-list2 {
    margin-top: 4vh;
}
.w-news-list2 li {
    position: relative;
    width: 31.4%;
    padding-left: 20px;
}
.w-news-list2 li::before {
    content: "";
    width: 6px;
    height: 6px;
    background-color: #666666;
    display: block;
    position: absolute;
    top: 14px;
    left: 0;
    border-radius: 3px;
}
.w-news-list2 li a {
    color: #666;
    font: 400 15px/36px "Microsoft yahei";
    margin-top: 8px;
    word-break: keep-all;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 400;
    font-size: 0.9375rem;
    line-height: 36px;
    font-family: "Microsoft yahei";
}
.w-news-list2 li:hover a {
    color: #bf1920;
}
a.w-news-more {
    text-align: center;
    display: block;
    width: 10.75rem;
    background-color: #ffffff;
    border: solid 1px #bf1920;
    color: #bf1920;
    margin: 0 auto;
    margin-top: 7.7vh;
    font-weight: 400;
    font-size: 0.9375rem;
    line-height: 3.25rem;
    font-family: "Microsoft yahei";
    transition: all 0.3s;
}
a.w-news-more:hover {
    color: #fff;
    background-color: #bf1920;
}
@media (max-width: 768px) {
    .w-news-list1 li {
        width: 100%;
        margin-bottom: 1vh;
    }
    .w-news-list2 li {
        width: 100%;
    }
    .w-news-list1 li h3 {
        font-size: 16px;
    }
    .w-news-list1 li h4 {
        font-size: 14px;
    }
    a.w-news-more {
        font-size: 15px;
    }
}

/* 底部 */
.f-con1 {
    background-color: #1b1b1b;
    padding: 5vh 0;
}
.f-con1 .fota {
    align-items: stretch;
    width: 36%;
}
.f-con1 .fota .f-nav-tt {
    color: #ffffff;
    margin-bottom: 2vh;
    font-weight: 400;
    font-size: 1.125rem;
    line-height: 38px;
    font-family: "Microsoft yahei";
}
.f-con1 .fota .f-nav2 {
    width: 60%;
}
.f-menu a {
    display: block;
    color: #aeaeae;
    font-weight: 400;
    font-size: 0.9375rem;
    line-height: 28px;
    font-family: "Microsoft yahei";
}
.f-menu a:hover {
    color: rgba(255, 255, 255, 0.8);
}
.f-menu2 {
    align-items: stretch;
}
.f-menu2 li {
    width: 36%;
}
.f-menu2 li + li {
    width: 52%;
}
.fotb {
    width: 400px;
}
.fotb h3 {
    color: #ffffff;
    font-weight: 400;
    font-size: 1.5rem;
    line-height: 38px;
    font-family: "Microsoft yahei";
}
.fotb h3 span {
    display: block;
}
.fotb h4 {
    color: #aeaeae;
    font: 400 16px/44px "Microsoft yahei";
    margin-bottom: 44px;
    font-weight: 400;
    font-size: 1rem;
    line-height: 44px;
    font-family: "Microsoft yahei";
}
.f-phone {
    margin-bottom: 6vh;
}
.f-phone h4 {
    color: #aeaeae;
    font-weight: 400;
    font-size: 1rem;
    line-height: 22px;
    font-family: "Microsoft yahei";
}
.f-phone h3 {
    color: #ffffff;
    font: 600 36px/52px "Arial";
}
.f-phone-bd a {
    display: flex;
    justify-content: space-between;
}
.f-phone-l {
    width: 274px;
    height: 50px;
    background-color: #ffffff;
    color: #888888;
    font: 400 14px/50px "Microsoft yahei";
    padding-left: 20px;
}
.f-phone-r {
    text-align: center;
    width: 136px;
    height: 50px;
    background-color: #bf1920;
    color: #fff;
    font: 400 14px/50px "Microsoft yahei";
}

.fotc {
    width: 268px;
}
.f-ewm li .img {
    width: 122px;
}
.f-ewm li .img img {
    max-width: 100%;
}
.f-ewm li h3 {
    text-align: center;
    color: #ffffff;
    font-weight: 400;
    font-size: 0.875rem;
    line-height: 2.375rem;
}
.w-footer {
    color: #aeaeae;
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    background-color: #1b1b1b;
    font-weight: 400;
    font-size: 0.875rem;
    line-height: 60px;
}
.w-footer a {
    color: #aeaeae;
    font-weight: 400;
    font-size: 0.875rem;
    line-height: 60px;
}

.w-footer a:hover {
    color: rgba(255, 255, 255, 0.5);
}
.x-power {}

@media (max-width: 1200px) {
    .f-con1 .fota {
        width: 50%;
    }
}

@media (max-width: 768px) {
    .f-con1 {
        padding: 20px 0;
    }
    .f-con1 .fota {
        width: 100%;
    }
    .w-footer {
        line-height: 30px;
    }
    .w-footer a {
        line-height: 30px;
    }
    .f-con1 .fota .f-nav-tt {
        font-size: 15px;
    }
    .f-con1 .fota .f-nav2 {
        width: 66%;
    }
    .f-menu a {
        font-size: 13px;
    }
    .f-phone {
        margin-bottom: 20px;
    }
    
    .x-power {
        display: none;
    }
}

.video111 {
    width: 500px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .video111 {
        width: 100%;
    }
}