:root {
    --color: #ee6501;
    --white: #FFF;
    --red: #d90e0e;
    --black: #4c4c4c;
    --black-100: #b3b3b3;
    --black-200: #9f9f9f;
}
html, body {
    font-family: var(--bs-font-sans-serif);
    font-size: 15px;
    line-height: 1.3;
    color: var(--black);
}
img {
    max-width: 100%;
}
a {
    color: var(--black);
    text-decoration: none;
    transition: color 0.5s ease;
}
a:hover {
    color: var(--red);
}
input:focus-visible, textarea:focus-visible {
    outline: none !important;
    box-shadow: none !important;
}
i {
    font-style: normal;
}
.c-white {
    color: var(--white);
}
.fs-12 {
    font-size: 12px;
}
.fs-14 {
    font-size: 14px;
}
.fs-15 {
    font-size: 15px;
}
.fs-16 {
    font-size: 16px;
}
.color {
    color: var(--color);
}
.b-top {
    border-top: 2px solid var(--color);
}
.b-bottom {
    border-bottom: 2px solid var(--color);
}
.d-j-c-a {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ptb-140 {
    padding: 140px 0;
}


.top {
    background: linear-gradient(to bottom,
            #fe9c18,
            #ee6501);
    line-height: 40px;
}
.navbar-brand img {
    max-height: 45px;
}
.navbar-nav .active {
    color: var(--color) !important;
    font-weight: bold;
}
.navbar-nav .show {
    color: var(--color) !important;
    font-weight: bold;
}
.dropdown-menu {
    background: var(--black);
    border: 0;
}
.dropdown-item {
    padding: 10px;
    color: var(--white);
}
.dropdown-item.active, .dropdown-item:active {
    background: var(--color);
    color: var(--white) !important;
}

.search {
    display: flex;
    align-items: center;
}
.search span {
    display: inline-block;
    padding: 0 30px;
}
.search i {
    color: var(--color);
    cursor: pointer;
}
.search-box {
    position: relative;
    display: flex;
    align-items: center;
}
.search-input {
    width: 0;
    opacity: 0;
    padding: 0;
    margin-left: 8px;
    transition: 0.3s ease;
    border: 1px solid #ddd;
    border-radius: 4px;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
}
.search-box.active .search-input {
    width: 180px;
    opacity: 1;
    padding: 6px 12px;
}
.search-box .search-form {
    position: relative;
}
.search-box .search-btn {
    display: none;
    background: none;
    border: none;
}
.search-box .search-btn i {
    background: none;
    border: none;
    color: var(--color);
}
.search-box.active .search-btn {
    display: block;
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 6;
}




.services-box .services-bottom {
    border: 1px solid #d9d9d9;
    display: inline-block;
    padding: 10px 15px;
    border-radius: 30px;
    font-size: 14px;
}
/* .services-box .services-bottom i {}
.accordion-button:not(.collapsed) {
    background-color: var(--white);
    color: var(--color);
    border-bottom: 1px solid var(--black-100);
}
.accordion-button:focus {
    box-shadow: none;
} */


.index-serve {
    background: url(../images/index-serve.jpg) center no-repeat;
}
.index-serve .accordion-item {
    background-color: transparent;
    border-bottom: 1px solid var(--black-200);
}

.index-serve .accordion-button {
    background-color: transparent;
    color: var(--white);
    ;
    box-shadow: none;
    padding-left: 0;
    padding-right: 0;
}

.index-serve .accordion-button:not(.collapsed) {
    background-color: transparent;
    color: var(--color);
    ;
    box-shadow: none;
    padding-bottom: 0;
    font-size: 20px;
}
.index-serve .accordion-button:not(.collapsed)::after {
    background-image: none;
    width: 0;
    height: 0;
}
/* 当前展开项：去掉分割线 */
.index-serve .accordion-item:has(.accordion-button:not(.collapsed)) {
    border-bottom: none;
}
.index-serve .accordion-item:has(.accordion-body:not(.collapsed)) {
    border-bottom: 1px solid var(--black-200);
}
.index-serve .accordion-collapse.show .accordion-body {
    padding: auto 0 1rem 0;
}


.index-serve .accordion-body {
    background-color: transparent;
    color: var(--white);
    ;
    padding-left: 0;
}

.index-serve .accordion-button::after {
    width: 20px;
    height: 20px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    background-size: 12px;
    background-position: center;
    filter: brightness(0) invert(1);
}

.index-serve .accordion-button:focus {
    box-shadow: none;
}




.amazon-challenges {
    background: url(../images/lh_12.jpg) center no-repeat;
    position: relative;
}
.amazon-challenges .title {
    /* padding: 120px 0 100px 0; */
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 130px;
    z-index: 5;
}
.amazon-challenges .title h2 {
    color: var(--white);
}
.amazon-challenges .title p {
    font-size: 24px;
}

/* .amazon-challenges-box {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
}
.amazon-challenges-box .item {
    position: relative;
    padding: 320px 0 210px 0;
    transition: all 0.4s ease;
} */
.amazon-challenges-box {
    display: flex;
    width: 100%;
    overflow: hidden;
}

.amazon-challenges-box .item {
    position: relative;
    flex: 1;
    padding: 320px 0 210px 0;
    box-sizing: border-box;
    transition: flex 0.4s ease;
    cursor: pointer;
}
.amazon-challenges-box .item::after {
    content: '';
    width: 1px;
    height: 100%;
    background: var(--white);
    position: absolute;
    right: 0;
    top: 0;
    opacity: .2;
}
.amazon-challenges-box .item:last-child::after {
    width: 0;
}
.amazon-challenges-box .item .icon {
    width: 90px;
    height: 90px;
    margin: 0 auto;
    background: #626e7c;
    border-radius: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: .8;
}

.amazon-challenges-box .item .t {
    color: var(--white);
    font-size: 24px;
}
.amazon-challenges-box .item .p {
    color: var(--white);
    /* padding-top: 1rem; */
    padding-left: 20px;
    padding-right: 20px;
    padding-top: 15px;
    opacity: 0;
}

.amazon-challenges-box .item:hover {
    background: linear-gradient(to bottom,
            rgba(255, 255, 255, 0.3),
            rgba(255, 255, 255, 0));
}
.amazon-challenges-box .item:last-child {
    margin-right: 0;
}
/* hover 时显示 p */
.amazon-challenges-box .item.active .p {
    display: block;
}

.amazon-challenges-box .item.active .p {
    opacity: 1;
}




.advantages-box {
    display: flex;
    gap: 20px;


    transform-origin: center;
    will-change: transform;
}
.advantages-box .item {
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    height: 380px;
    max-height: 380px;
    position: relative;
}
.advantages-box .item .title {
    font-size: 20px;
    white-space: nowrap;
    font-weight: bold;
}
.advantages-box .item p {
    display: none;
    padding-top: 20px;
}

.advantages-box .icon {
    border-radius: 50%;
    background: linear-gradient(to bottom, #d8c19c, #e7d7bd);
    /* opacity: 0.6; */
    width: 80px;
    height: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}
.advantages-box .item .icon .trigger {
    display: none;
}

.advantages-box .active {
    /* background-image: -moz-linear-gradient(135deg, rgb(255, 127, 0) 0%, rgb(255, 180, 6) 100%);
    background-image: -webkit-linear-gradient(135deg, rgb(255, 127, 0) 0%, rgb(255, 180, 6) 100%);
    background-image: -ms-linear-gradient(135deg, rgb(255, 127, 0) 0%, rgb(255, 180, 6) 100%);
    box-shadow: 0px 1px 2px 0px rgba(255, 255, 255, 0.18), 0px 8px 30px 0px rgba(255, 142, 2, 0.3), 0px 10px 80px 0px rgba(255, 142, 2, 0.3); */
    background: url(../images/ys-bg.jpg) center no-repeat;
}
.advantages-box .active .title {
    /* color: var(--white); */
}
.advantages-box .active p {
    display: block;
    /* color: var(--white); */
}
.advantages-box .active .icon {
    margin: 0;
    /* background-image: -moz-linear-gradient(90deg, rgb(255, 223, 18) 0%, rgb(255, 127, 0) 100%);
    background-image: -webkit-linear-gradient(90deg, rgb(255, 223, 18) 0%, rgb(255, 127, 0) 100%);
    background-image: -ms-linear-gradient(90deg, rgb(255, 223, 18) 0%, rgb(255, 127, 0) 100%); */
    left: 30px;
    transform: translateX(0);
    background: rgba(255, 255, 255, 0.6);
}
.advantages-box .active .icon .default {
    display: none;
}
.advantages-box .active .icon .trigger {
    display: block;
}



.index-about {
    background: #f1f1f1 url(../images/index-about.jpg) top center no-repeat;
    padding-top: 240px;
}
.index-about-bottom {
    background: var(--white);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    padding: 50px 20px;
    margin-top: 300px;
}
.index-about-bottom .item img {
    max-height: 45px;
}
.index-about-bottom .item .text {
    font-size: 18px;
    padding-top: 15px;
}



.index-ipproject {
    background: #f1f1f1;
}
.index-ipproject .item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
}
.index-ipproject .tit {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0), rgba(0, 0, 0, .6));
    color: var(--white);
    border-radius: 0 0 10px 10px;
    padding: 15px;
    transition: all .3s ease;
}
.index-ipproject .tit a {
    color: var(--white);
}
.index-ipproject .tit p {
    display: none;
    padding-top: 15px;
}
.index-ipproject .item:hover .tit {
    top: 0;
    background: rgba(0, 0, 0, .6);
}
.index-ipproject .item:hover .tit p {
    display: block;
}



/* 自定义样式以匹配图片色调 */
.bg-orange {
    /* background: url('../images/contact-left-bg.jpg') center / cover no-repeat; */
}
.form-container {
    /* background: url('../images/contact-form-bg.jpg') center / cover no-repeat; */
    min-height: 500px;
}
.custom-input {
    border-radius: 50px;
    /* 圆角输入框 */
    border: none;
    padding: 12px 25px;
    background-color: #fffaf0;
}
.custom-textarea {
    border-radius: 20px;
    border: none;
    background-color: #fffaf0;
}
.btn-submit {
    background: linear-gradient(135deg, #ff9f1a, #f36b00);
    color: white;
    border-radius: 50px;
    padding: 10px 40px;
    border: none;
}

.index-contact {
    background: url(../images/index-contact.jpg) center no-repeat;
}




.mycase .swiper-slide {
    width: 60%;
    position: relative;
}
.mycase .swiper-slide .title {
    position: absolute;
    left: 50%;
    bottom: 30px;
    transform: translateX(-50%);
    color: var(--white);

}

@media (min-width: 1201px) {
    /* .container-fluid {
        --bs-gutter-x: 20.5rem;
    } */
    .head-fluid {
        padding: 0 10rem;
    }

    .mycase .swiper-slide .title {
        background: #ffa10470;
        width: 60%;
        padding: 25px;
        font-size: 16px;
        font-weight: 800;
    }



}

.mycase .swiper-button-prev, .mycase .swiper-button-next {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 100%;
    color: var(--white);
}
.mycase .swiper-button-prev:hover, .mycase .swiper-button-next:hover {
    background: var(--color);
}
/* 左按钮 */
.mycase .swiper-button-prev {
    left: calc(60% - 35% - 40px);
}
/* 右按钮 */
.mycase .swiper-button-next {
    right: calc(60% - 35% - 40px);
}



.index-news-tab {
    border-color: transparent;
}
.index-news-tab .nav-link {
    font-size: 28px;
    color: var(--black);
}
.index-news-tab .nav-item.show .nav-link, .index-news-tab .nav-link.active {
    color: var(--color);
    /* border: 0; */
    border-color: transparent;
}
.index-news-tab .nav-link:focus, .index-news-tab .nav-link:hover {
    /* border: 0; */
    border-color: transparent;
}
.news-box {
    position: relative;
}
.news-box .item img {
    border-radius: 12px;
}
.news-box .item .d {
    padding-top: 20px;
    color: #c5bfb6;
}
.news-box .item .t {
    font-size: 20px;
    padding-top: 10px;
    padding-bottom: 50px;
    font-weight: bold;
}
.news-box .item .more {
    border-top: 1px solid #ebebeb;
    border-bottom: 1px solid #ebebeb;
    padding: 15px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.mynews-left-next, .mynews-left-prev {
    color: var(--color);
}
.mynews-left-next {
    right: -50px;
}
.mynews-left-prev {
    left: -50px;
}
.mynews-right-next, .mynews-right-prev {
    color: var(--color);
}
.mynews-right-next {
    right: -50px;
}
.mynews-right-prev {
    left: -50px;
}



.process {
    background: url(../images/lh_22.jpg) center no-repeat;
}



.footer {
    background: #272727;
}
.footer-top {
    padding: 30px 0;
    border-bottom: 1px solid #383838;
}
.footer-top .tel {
    font-size: 30px;
    color: var(--color);
    font-weight: bold;
}
.footer-bottom {
    padding-top: 80px;
    padding-bottom: 120px;
}
.links-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    border-bottom: 1px solid #383838;
    padding-bottom: 15px;
}
.links-title .icon {
    display: flex;
    align-items: center;
}
.links-title .icon span {
    padding-left: 10px;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
}
.footer-nav .item .t {
    border-bottom: 1px solid #383838;
    padding-bottom: 15px;
}
.footer-nav .item .t a {
    color: #919191;
}
.footer-nav .item .a a {
    display: block;
    padding-top: 10px;
}


.footer-qrcode img {
    max-width: 80px;
}




/* side */
.side {
    position: fixed;
    width: 56px;
    right: 0;
    top: 355px;
    z-index: 100;
    text-align: left;
    filter: Alpha(Opacity=95);
    opacity: 0.95;
}
.side ul li {
    width: 56px;
    height: 50px;
    float: left;
    position: relative;
    padding-bottom: 1px;
    background: var(--color);
}
.side ul li:last-child {
    background: var(--color);
}
.side ul li img {
    opacity: 0.8;
    filter: Alpha(opacity=80);
}
.side ul li:hover img {
    opacity: 1;
    filter: Alpha(opacity=100);
}
.side ul li .sidebox {
    border-radius: 5px 0 0 0px;
    background: var(--color);
    position: absolute;
    width: 56px;
    height: 50px;
    top: 0;
    right: 0;
    transition: all 0.3s;
    /*opacity:0.9;filter:Alpha(opacity=90);*/
    color: #fff;
    font: 14px/50px "微软雅黑";
    overflow: hidden;
}
.side ul li .sidebox:hover {
    border-radius: 5px 0 0 5px;
}
.side ul li .sidetop {
    width: 56px;
    height: 50px;
    line-height: 50px;
    display: inline-block;
    background: #ff8500;
    border-radius: 0 0 0 5px;
    /*background:#ffa643;opacity:0.9;filter:Alpha(opacity=90);*/
    transition: all 0.3s;
}
.side ul li .sideewm {
    width: 56px;
    height: 50px;
    line-height: 50px;
    display: inline-block;
    /*background:#ffa643;opacity:0.9;filter:Alpha(opacity=90);*/
    transition: all 0.3s;
}
.side ul li .sideewm .ewBox {
    width: 207px;
    display: none;
    color: #363636;
    text-align: center;
    position: absolute;
    left: -203px;
    top: -86px;
    background-image: url('../images/leftewm.png');
    background-repeat: no-repeat;
    background-position: center 0px;
    height: 226px
}
.side ul li .sideewm .ewBox img {
    width: 150px;
    height: 150px;
    margin-top: 30px;
    margin-left: 25px;
}
.side ul li .sideetel {
    width: 56px;
    height: 50px;
    line-height: 50px;
    display: inline-block;
    /*background:#000;opacity:0.9;filter:Alpha(opacity=90);*/
    transition: all 0.3s;
    text-align: left;
}
/*.side ul li .sideetel:hover{background:#f3782a;opacity:1;filter:Alpha(opacity=100);}*/
.side ul li .sideetel .telBox {
    width: 185px;
    height: 72px;

    padding-top: 135px;
    display: none;
    color: #363636;
    text-align: center;
    position: absolute;
    left: -185px;
    top: -155px;
    background-image: url('../images/lefttel.png');
    background-repeat: no-repeat;
    background-position: center top;
}
.side ul li .sideetel .telinput {
    width: 135px;
    text-align: center;
    height: 25px;
    line-height: 25px;
    background-color: #fff;
    color: #7d7d7d;
    font-size: 14px;
    margin-left: 25px;
    border: 0;
    z-index: 9999999;
    float: left;
}
.side ul li .sideetel .telbnt {
    width: 135px;
    height: 26px;
    line-height: 26px;
    background-color: #735012;
    font-size: 14px;
    border: 0;
    margin-left: 25px;
    margin-top: 5px;
    color: #fff;
    cursor: pointer;
    border-radius: 4px;
    float: left;
}
.side ul li img {
    float: left;
}

.side dl dt {
    width: 54px;
    height: 54px;
    float: left;
    position: relative;
}
.side dl dt .sidebox {
    position: absolute;
    width: 54px;
    height: 54px;
    border-bottom: 1px solid #444;
    top: 0;
    right: 0;
    transition: all 0.3s;
    background: #000;
    opacity: 0.9;
    filter: Alpha(opacity=90);
    color: #fff;
    font: 12px/54px "微软雅黑";
}
.side dl dd {
    width: 54px;
    height: 44px;
    float: left;
    position: relative;
    display: none;
}

.side dl dd .sidebox {
    position: absolute;
    width: 54px;
    height: 44px;
    border-bottom: 1px solid #444;
    top: 0;
    right: 0;
    transition: all 0.3s;
    background: #000;
    opacity: 0.9;
    filter: Alpha(opacity=90);
    color: #fff;
    font: 12px/54px "微软雅黑";
    line-height: 44px;
}
.side dl dd .sidebox:hover {
    background: #f3782a;
    opacity: 1;
    filter: Alpha(opacity=100);
}
.side dl dd .sidebox:hover img {
    opacity: 0.8;
    filter: Alpha(opacity=80);
}
.side dl img {
    float: left;
}
@media screen and (max-width: 640px) {
    .side {
        display: none;
    }
}


.banner {
    border-bottom: 1px solid #e7e7e7;
    line-height: 1;
    padding: 20px 0;
}
.page-breadcrumb {
    font-size: 12px;
    margin-bottom: 0;
}
.page-breadcrumb li a {
    font-size: 12px;
}
.page-breadcrumb li i {
    display: inline-block;
    margin: 0 5px;
}
.list-nav {
    text-align: right;
}
.list-nav a {
    display: inline-block;
    padding: 0 15px;
}
.list-nav a.active {
    color: var(--color);
}

.about-box {
    padding: 30px 0;
}

.pages {
    margin-top: 30px;
}
.pages ul li a {
    display: inline-block;
    padding: 5px 8px;
    background: #d0d0d0;
    border-radius: 5px;
    margin-right: 3px;
    font-size: 14px;
}
.pages ul li a:hover {
    background: var(--color);
    color: var(--white);
}
.pages ul li.active a {
    background: var(--color);
    color: var(--white);
}


.cases {
    padding: 20px 0;
}

.about {
    padding: 20px 0;
}

/*关于我们*/
.about-sl {
    width: 100%;
    height: auto;
    clear: both;
    position: relative;
    overflow: hidden;
    background: url(../images/about.jpg) no-repeat center top;
    background-size: cover;
    padding: 7rem 0rem;
    background-attachment: fixed
}
.about-sl .atit {
    width: 100%;
    height: auto;
    clear: both;
    position: relative;
    overflow: hidden;
}
.about-sl .atit h1 {
    width: 100%;
    color: #fff;
    /* font-size: 5rem; */
    font-weight: normal;
}
.about-sl .atit h2 {
    width: 100%;
    color: #fff;
    font-size: 1.8rem;
    font-weight: normal;
    line-height: 2.2
}
.about-sl .atit p {
    width: 100%;
    color: #fff;
    /* font-size: 1.4rem; */
    font-weight: normal;
    margin-top: 2rem;
    line-height: 2
}

.about-sl .product-num-box {
    width: 100%;
    height: auto
}
.about-sl .product-num-content {
    width: 100%;
    height: auto;
    margin: 0 auto;
    text-align: center;
    font-size: 0
}
.about-sl .product-num-title {
    padding-top: 110px;
    margin-bottom: 30px;
    font-size: 42px;
    color: #fff;
    line-height: 45px;
}
.about-sl .product-num-text {
    font-size: 16px;
    color: #fff;
    line-height: 28px
}
.about-sl .product-num-head {
    margin-top: 80px;
    font-size: 0
}
.about-sl .product-num-item {
    float: left;
    padding: 50px 0px;
    text-align: center;
    position: relative;
    width: 25%;
    background: #fff;
}
.about-sl .product-num-jus {
    display: inline-block;
    margin: 80px 0;
    width: 162px;
    height: 56px;
    font-size: 22px;
    color: var(--color);
    background: #fff;
    line-height: 48px;
    letter-spacing: 2px;
    cursor: pointer;
    font-weight: 500;
    -webkit-transition: all .3s linear;
    -moz-transition: all .3s linear;
    transition: all .3s linear;
    text-decoration: none
}
.about-sl .product-num-nub {
    display: inline-block;
    width: 55%;
    font-size: 40px;
    color: var(--color);
    line-height: 62px;
    text-align: right;
}
.about-sl .product-num-add {
    font-size: 24px;
    color: var(--color);
    width: 45%;
    align-self: center;
    text-align: left;
    display: inline-block;
}
.about-sl .product-num-inf {
    margin-top: 24px;
    font-size: 1.4rem;
    color: #000000;
    line-height: 0;
    display: inline-block;
    width: 100%;
}
.about-sl .product-num-jus:hover {
    background-color: #fff;
    color: #3e88f1
}
.about-sl .product-num-wan {
    position: absolute;
    right: 55px;
    top: 0px
}

.about-sl .product-num-item:nth-child(3), .about-sl .product-num-item:nth-child(4) {
    background: var(--color);
}
.about-sl .product-num-item:nth-child(3) .product-num-nub {
    color: #fff;
}
.about-sl .product-num-item:nth-child(3) .product-num-add {
    color: #fff;
}
.about-sl .product-num-item:nth-child(3) .product-num-inf {
    color: #fff;
}
.about-sl .product-num-item:nth-child(4) .product-num-nub {
    color: #fff;
}
.about-sl .product-num-item:nth-child(4) .product-num-add {
    color: #fff;
}
.about-sl .product-num-item:nth-child(4) .product-num-inf {
    color: #fff;
}


@media(max-width:990px) {
    .about-sl {
        padding: 3rem 0rem;
    }
    .about-sl .atit h1 {
        font-size: 2.4rem;
    }
    .about-sl .atit h2 {
        font-size: 1.6rem;
        2
    }
    .about-sl .atit p {
        /* font-size: 1.3rem; */
    }
    .about-sl .product-num-head {
        margin-top: 3rem
    }

    .about-sl .product-num-item {
        width: 50%;
    }
    .about-sl .product-num-inf {
        margin-top: 1rem;
    }
    .about-sl .product-num-nub {
        font-size: 26px;
    }
    .about-sl .product-num-add {
        font-size: 1.6rem;
    }
    .about-sl .product-num-inf {
        font-size: 1.0rem;
    }

    .about-sl .product-num-item:nth-child(2) {
        background: var(--color);
    }
    .about-sl .product-num-item:nth-child(2) .product-num-nub {
        color: #fff;
    }
    .about-sl .product-num-item:nth-child(2) .product-num-add {
        color: #fff;
    }
    .about-sl .product-num-item:nth-child(2) .product-num-inf {
        color: #fff;
    }
    .about-sl .product-num-item:nth-child(4) {
        background: #fff
    }
    .about-sl .product-num-item:nth-child(4) .product-num-nub {
        color: var(--color);
    }
    .about-sl .product-num-item:nth-child(4) .product-num-add {
        color: var(--color);
    }
    .about-sl .product-num-item:nth-child(4) .product-num-inf {
        color: #000;
    }

}


.i_title h3 {
    position: relative;
    padding-bottom: 10px;
}
.i_title h3::after {
    content: '';
    width: 50px;
    height: 2px;
    background: var(--color);
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
}

.yyfw-item:nth-of-type(odd) {
    background-color: #fafafa;
}
.yyfw-item {
    padding: 30px 0;
}
.yyfw-item .t {
    color: var(--color);
    position: relative;
    font-weight: bold;
    padding-bottom: 20px;
    margin-bottom: 20px;
}
.yyfw-item .t::after {
    content: '';
    width: 20%;
    height: 2px;
    background: var(--color);
    position: absolute;
    left: 0;
    bottom: 0;
}



.yyqt {
    padding: 50px 0;
}
.yyqt .yyqt-hd {
    border-bottom: 1px solid #faf5f1;
}
.yyqt .yyqt-img img {
    border-radius: 10px;
}
.yyqt-item {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}
.yyqt-item .item {
    background: linear-gradient(to right,
            rgba(249, 240, 233, 1) 0%,
            #f9f0e9 20%,
            #f9f0e9 40%,
            rgba(249, 240, 233, 0) 100%);
    padding: 20px 20px 20px 40px;
    border-radius: 5px;
    font-weight: bold;
    color: var(--color);
    position: relative;
}
.yyqt-item .item::after {
    content: '';
    width: 8px;
    height: 8px;
    background: #c5bbb4;
    border-radius: 100%;
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
}








.yy-box .tab-content {
    margin-top: 20px;
}
.yy-tab-box {
    border-radius: 10px;
    overflow: hidden;
}
.yy-tab-box .right {
    background: url(../images/yy-bg.jpg) center no-repeat;
    width: 100%;
    height: 100%;
}
.yy-tab-box .right .text {
    padding: 50px;
}
.yy-tab-box .right h3 {
    position: relative;
    font-weight: bold;
    padding-bottom: 10px;
    margin-bottom: 10px;
}
.yy-tab-box .right h3::after {
    content: '';
    width: 10%;
    height: 3px;
    background: var(--color);
    position: absolute;
    left: 0;
    bottom: 0;
}



.xuanpin {
    background: url(../images/xuanpin.jpg) center no-repeat;
    min-height: 600px;
    position: relative;
}
.xuanpin-box {
    position: absolute;
    /* left: 50%; */
    bottom: 50px;
    /* transform: translateX(-50%); */
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    width: 100%;
    padding: 0 50px;
}
.xuanpin-box .item {
    background: rgba(255, 255, 255, 1);
    padding: 20px;
    border-radius: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 16px;
    cursor: pointer;
}
.xuanpin-box .item i {
    font-size: 16px;
    color: var(--color);
}
.xuanpin-box .item:hover {
    background: rgba(255, 255, 255, .8);
}

.yimei {
    background: #f5f5f5 url(../images/yimei.jpg) top center no-repeat;
    padding-bottom: 50px;
}
.huwais {
    background: #f5f5f5 url(../images/huwais.jpg) top center no-repeat;
    padding-bottom: 50px;
}

.kangyang {
    background: #f5f5f5 url(../images/kangyang.jpg) top center no-repeat;
    padding-bottom: 50px;
}
.kangyang-title {
    color: var(--white);
    padding: 280px 0;
}
.kangyang-box {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.kangyang-box .item {
    background: var(--white);
    border-radius: 10px;
    padding: 50px 0;
    box-shadow: 0 0 5px 0 rgba(0, 0, 0, 0.1);
}
.kangyang-box .item img {
    max-width: 80px;
}
.kangyang-box .item .text {
    padding-top: 20px;
}



.contact-head-right {
    display: flex;
    align-items: center;
    height: auto;
    padding: 50px 50px 0 50px;
    margin-bottom: 30px;
    /*border-right: 5px solid #FFF;*/
    background: #f7f7f7;
}
.contact-head-right .t {
    position: relative;
}
.contact-head-right .t:before {
    content: "";
    width: 25px;
    height: 4px;
    background: #222;
    position: absolute;
    left: 0;
    bottom: 0;
}
.contact-head-right .cn {
    font-size: 22px;
    font-weight: bold;
}
.contact-head-right .en {
    color: #666;
    padding: 10px 0 20px 0;
}
.contact-head-right .p {
    padding: 50px 0;
    /* line-height: 32px; */
    color: #999;
    font-size: 15px;
}

.contact-head-right .p span {
    color: #333;
}
.contact-head-right .p a {
    /* line-height: 32px; */
    color: #999;
}
.contact-head-right .icon a {
    color: #b5b5b5;
    font-size: 20px;
    display: inline-block;
    margin-right: 20px;
}
.contact-item {
    padding: 0px 0;
    background: #f7f7f7;
}
.contact-item .item {
    /*background: #f7f7f7;*/
    padding: 50px;
    height: 100%;
}
.contact-item .item-head {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}
.contact-item .item-head .t {
    font-size: 18px;
    font-weight: bold;
}
.contact-item .item-head .icon a {
    line-height: 18px;
    color: #b5b5b5;
    display: inline-block;
    margin-left: 20px;
}
.contact-item .p {
    font-size: 15px;
    color: #999;
    padding-top: 40px;
}
.contact-item .item .p a {
    color: #999;
}
.contact-item .item:hover .p a {
    color: #FFF;
}

.contact-item .col-lg-12:hover {
    background: var(--color);
    color: #FFF;
}
.contact-item .col-lg-12:hover .icon a {
    background: var(--color);
    color: #FFF;
}
.contact-item .item:hover {
    background: var(--color);
    color: #FFF;
}

.contact-item .col-lg-12:hover .p {
    background: var(--color);
    color: #FFF;
}

.contact-item .item:hover a, .contact-item .item:hover .p, .contact-item .item:hover .job b {
    color: #FFF;
}
.job {
    padding-top: 50px;
}

.job b {
    padding: 50px 0;
    line-height: 70px;
    color: #222;
    font-size: 18px;
    font-weight: bold;
}

.contact-item .col-lg-12:hover .icon a {
    background: var(--color);
    color: #FFF;
}

.contact-item .bdb {
    border-bottom: 30px solid #FFF;
    padding: 34px;
}
.contact-head-r .item {
    padding: 50px;
}

.jobs .item {
    background: #f7f5f2;
    padding: 30px;
}
.jobs .item:nth-child(n+2) {
    margin-top: 30px;
}


/* 组织架构 */
.timeline {
    background: #f7f5f2 url(../images/timeline-bg.jpg) center bottom no-repeat;
    padding-top: 50px;
    padding-bottom: 246px;
}



.contact-form {
    padding-top: 30px;
}
.contact-form-t {
    font-size: 28px;
    font-weight: bold;
    margin: 50px 0;
}
.contact-form li {
    position: relative;
    list-style: none;
}
.contact-form li:before {
    content: "";
    width: 5px;
    height: 5px;
    background: #b91219;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translate(0, -50%);
    z-index: 2;
}
.contact-form li input {
    border: none;
    border-bottom: 1px solid #ddd;
    width: 100%;
    height: 40px;
    line-height: 40px;
    padding-left: 18px;
}
.contact-form-box {
    border: 1px solid #ddd;
    margin-top: 50px;
    border-radius: 10px;
    position: relative;
    overflow: hidden;
    padding-bottom: 140px;
}
.contact-form-box textarea {
    width: 100%;
    height: 100px;
    border: none;
    padding: 15px;
    border-radius: 10px;
}
.contact-form-box:before {
    content: "";
    width: 215px;
    height: 215px;
    background: #282828;
    z-index: 2;
    position: absolute;
    right: -60px;
    bottom: -80px;
    border-radius: 100%;
}
.contact-form-btn {
    width: 156px;
    height: 134px;
    position: absolute;
    right: -10px;
    bottom: -10px;
    z-index: 3;
}
.contact-form-btn .btn-submit {
    background: none;
    border: none;
    width: 156px;
    height: 134px;
    text-align: center;
    line-height: 134px;
    color: #fffefe;
    font-size: 24px;
}




@media (min-width: 992px) {
    .navbar-expand-lg .navbar-nav .nav-link {
        padding-right: var(--bs-navbar-toggler-font-size);
        padding-left: var(--bs-navbar-toggler-font-size);
    }
}




@media (max-width: 720px) {
    .ptb-140 {
        padding: 50px 0;
    }
    .nav-link {
        position: relative;
    }
    .dropdown-toggle::after {
        position: absolute;
        right: 0;
        top: 50%;
        transform: translateY(-50%);
    }
    .search {
        display: none;
    }
    .services-box {
        margin-bottom: 30px;
    }
    .amazon-challenges {
        padding: 30px 0;
        background: url(../images/lh_12.jpg) center / cover no-repeat;
    }
    .amazon-challenges .title {
        position: static;
        left: auto;
        transform: translateX(0);
        top: auto;
    }
    .amazon-challenges-box {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }
    .amazon-challenges-box .item .icon {
        width: 60px;
        height: 60px;
    }
    .amazon-challenges-box .item .icon img {
        max-width: 60px;
    }
    .amazon-challenges-box .item .text {
        margin-top: 20px !important;
    }
    .amazon-challenges-box .item {
        padding: 20px 0;
    }
    .amazon-challenges-box .item .t {
        font-size: 18px;
    }
    .amazon-challenges-box .item .p {
        opacity: 1;
        font-size: 14px;
    }
    .amazon-challenges-box .item:hover {
        background: none;
    }
    .amazon-challenges-box .item::after {
        width: 0;
        background: none;
    }

    .index-about {
        padding-top: 80px;
    }
    .index-about-bottom {
        grid-template-columns: repeat(1, 1fr);
        padding: 20px 20px;
        margin-top: 100px;
    }
    .index-about-bottom .item:nth-child(n+2) {
        margin-top: 20px;
    }
    .index-about-bottom .item .text {
        padding-top: 10px;
    }

    .advantages-box {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }
    .advantages-box .item {
        padding: 15px;
    }
    .advantages-box .item .title {
        font-size: 16px;
    }
    .yyqt-item {
        margin-bottom: 20px;
    }
    .yyqt-item .item {
        padding: 10px;
    }
    .yyqt-item .item::after {
        content: none;
    }


    .index-contact {
        background: none;
    }
    .index-contact .container {
        padding: 0 !important;
    }
    .index-contact .bg-orange {
        background: url(../images/contact-left-bg.jpg) center / cover no-repeat;
        padding: 20px;
    }
    .index-contact .form-container {
        background: url(../images/contact-form-bg.jpg) center / cover no-repeat;
        padding: 20px !important;
    }


    .news-box .item .more {
        margin-bottom: 20px;
    }
    .mynews-left-next, .mynews-left-prev {
        display: none;
    }
    .mynews-right-next, .mynews-right-prev {
        display: none;
    }

    .footer-top .tel {
        margin-bottom: 20px;
    }
    .footer-m {
        flex-direction: column;
    }
    .footer-bottom {
        padding-top: 40px;
        padding-bottom: 60px;
    }
    .footer-nav {
        margin-top: 20px;
        grid-template-columns: repeat(3, 1fr);
    }
    .breadcrumb-box {
        display: none;
    }
    .list-nav {
        text-align: left;
    }
    .list-nav a {
        padding: 0 10px;
    }
    .kangyang {
        padding-bottom: 30px;
    }
    .kangyang-title {
        padding: 120px 0;
    }
    .kangyang-box {
        grid-template-columns: repeat(1, 1fr);
        gap: 20px;
    }
    .xuanpin {
        min-height: 700px;
    }
    .xuanpin-box {
        position: absolute;
        /* left: 50%; */
        bottom: 50px;
        /* transform: translateX(-50%); */
        display: grid;
        grid-template-columns: repeat(1, 1fr);
        gap: 20px;
        width: 100%;
        padding: 0 50px;
    }


    .contact-head-right {
        padding: 30px;
        border-bottom: 5px solid #FFF;
    }
    .contact-head-right .cn {
        font-size: 20px;
    }
    .contact-head-right .en {
        font-size: 14px;
        padding: 5px 0 10px 0;
    }
    .contact-head-right .p {
        padding: 15px 0;
    }
    .contact-item {
        padding: 15px 0;
        margin-bottom: 20px;
    }
    .contact-item .item {
        padding: 20px;
        margin-top: 15px;
    }
    .contact-item .p {
        padding-top: 15px;
    }
}