* {
    margin: 0;
    padding: 0;
}

/*body{*/
/*    overflow: hidden;*/
/*}*/

li {
    /* 取消小黑点 */
    list-style-type: none;
}

a {
    /* 取消下划线 */
    text-decoration: none;
    color: inherit;
}

.header {
    width: 100%;
    height: 200px;
    /* border-bottom-style: dotted; */
    /* background-color: blue; */
    display: flex;
    justify-content: space-between;
}

.header-left {
    margin-left: 100px;
    display: flex;
    align-items: center;
}

.header .header-left>a>img {
    width: 300px;
}

.header .rexian {
    font-size: 20px;
    /* height: 200px; */
    line-height: 200px;
    margin-right: 50px;
}

/* .header-right {
    margin-right: 100px;
} */

.header-right>ul {
    display: flex;
    line-height: 200px;
    font-size: 26px;
}

.header-right>ul>li:nth-child(1) {
    color: #18786a;
    font-weight: bold;
}

.header-right>ul>li {
    margin-left: 50px;
}

.header-right>ul>li .navlist {
    /* height: 10px; */
    position: relative;
}

.header-right>ul>li .navlist .drop {
    width: 150px;
    height: 260px;
    /* display: block; */
    opacity: 0;
    position: absolute;
    top: 70%;
    left: -20%;
    background-color: #ffffff;
    box-shadow: 1px 2px 2px 0px #7a7a7a;
    /* border: 1px solid #000; */
}

.header-right>ul>li .navlist .drop .droplist {
    height: 50px;
    line-height: 50px;
    text-align: center;
    font-size: 20px;
    /* border: 1px solid #cccccc; */
}

/* .header-right>ul>li .navlist .drop .droplist>a{
    line-height: 50px;
} */

.header-right>ul>li .navlist .drop .droplist:hover {
    background-color: #18786a;
    color: #fff;
}

.header-right>ul>li .navlist:hover .drop {
    opacity: 1;
}

/* .header-right>ul>li:hover {
    color: #18786a;
    font-weight: bold;

} */

.banner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 1000px;
    background-image: url(../images/bg.png);
    background-repeat: no-repeat;
    /*background-repeat: no-repeat;*/
    background-color: #000;
}

.banner .pic{
    width: 70%;
}

.banner .pic>img {
    opacity: 0;
    animation: sideinRight 1s ease-in-out forwards;
    width: 100%;
    /* height: 300px; */
}

.banner .text {
    opacity: 0;
    animation: sideinLeft 1s ease-in-out forwards;
    color: #ffffff;
    font-size: 96px;
    font-weight: bold;
    margin-left: 100px;
    text-shadow: #000 2px 2px;
}

/* 轮播图文字左近 */
@keyframes sideinLeft {
    from {
        opacity: 0;
        transform: translateX(-100%);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 轮播图图片右进 */
@keyframes sideinRight {
    from {
        opacity: 0;
        transform: translateX(200%);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.about {
    display: flex;
    /* position: absolute; */
    width: 100%;
    height: 1000px;
    background-image: url(../images/bg2.png);
    background-repeat: no-repeat;
    background-color: #ffffff;
}

.details {
    /* position: relative;
    top: 750px;
    left: 400px; */
    margin-top: 750px;
    margin-left: 400px;
    width: 300px;
    height: 100px;
    border-radius: 50px;
    background-color: #000;
    color: #fff;
    font-size: 40px;
    line-height: 100px;
    text-align: center;
    /* 字符间距 */
    letter-spacing: 10px;
}

.about>a .details:hover {
    background-color: #fff;
    color: #000;
    border: #000;
    border: 5px solid #000;
}

.product {
    /* position: absolute; */
    width: 100%;
    height: 2000px;
    background-color: #000;
}

.product .title {
    width: 100%;
    height: 220px;
}

.product .title>img {
    width: 100%;
    height: 100%;
}

.product .pro_center {
    width: 100%;
    height: 500px;
    background-color: #000000;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.pro_center>a {
    display: block;
}

.pro_center .card {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 400px;
    height: 400px;
    border-radius: 20px;
    background-color: #ffffff;
    overflow: hidden;
    margin: 50px;
    /* background-color: #18786a; */
    color: #5d5d5d;
    cursor: pointer;
    position: relative;
    font-size: 24px;
}

.pro_center .card>img {
    width: 100%;
    /*height: 100%;*/
    transition: 0.35s;
}

.pro_center .card .text {
    position: absolute;
    inset: 30px;
    /* border: 1px solid red; */
    padding: 0 20px;
    line-height: 50px;
}

.pro_center .card .text::before {
    content: "";
    position: absolute;
    inset: 0;
    border-left: 9px solid rgba(28, 28, 28, 0.8);
    background-color: rgba(255, 255, 255, 0.5);
    opacity: 0;
    transition: 0.5s;
    transition-delay: 0.6s;
}

.pro_center .card .text h2,
.pro_center .card .text p {
    margin-bottom: 9px;
    opacity: 0;
    transition: 0.35s;
}

.pro_center .card .text h2 {
    font-weight: 500;
    text-transform: uppercase;
    transform: translate(30% 0);
    transition-delay: 0.3s;
}

.pro_center .card .text p {
    font-size: 34px;
    font-weight: 500;
    transform: translate(0% 30%);
}

.pro_center .card .text .look {
    width: 120px;
    height: 50px;
    border: 1px solid #fff;
    margin-bottom: 50px;
    text-align: center;
    float: right;
    transform: translate(0% 30%);
    opacity: 0;
    transition: 0.35s;
    /* background-color: #fff; */
}

.pro_center .card:hover img {
    opacity: 0.3;
}

.pro_center .card:hover .text h2 {
    opacity: 1;
    transform: translate(0% 0%);
    transition-delay: 0.4s;
}

.pro_center .card:hover .text p {
    opacity: 0.9;
    transform: translate(0% 0%);
    transition-delay: 0.6s;
}

.pro_center .card:hover .text .look {
    opacity: 1;
    transform: translate(0% 0%);
    transition-delay: 0.8s;
}

.pro_center .card:hover .text::before {
    background-color: rgba(255, 255, 255, 0);
    left: 0;
    opacity: 1;
    transition-delay: 0s;
}

.product .btn {
    width: 300px;
    height: 100px;
    background-color: #fff;
    color: #000;
    font-size: 40px;
    border-radius: 50px;
    line-height: 100px;
    text-align: center;
    /* 字符间距 */
    letter-spacing: 10px;
    margin: 0 auto;
    margin-top: 1100px;
}

.product .btn:hover {
    border: 5px solid #fff;
    color: #fff;
    background-color: #000;
}

.services {
    display: flex;
    justify-content: space-around;
    /* align-items: center; */
    width: 100%;
    height: 894px;
    background-image: url(../images/bg4.png);
    background-repeat: no-repeat;
    background-color: #f8f9fa;
}

.services .ser {
    display: flex;
    align-items: center;
    flex-direction: column;
    text-align: center;
    margin-top: 20%;
    /* position: relative; */
    width: 320px;
    height: 500px;
    /* background-color: #000; */
    /* border: 1px solid #000; */
    font-size: 24px;
}

.services .ser>img {
    /* position: absolute;
    top: 25%;
    left: 50%;
    transform: translate(-50%, -50%); */
    width: 200px;
    height: 200px;
    margin: 10px;
}

.services .ser>img:hover {
    animation: rotate 2s linear infinite;
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.footer {
    width: 100%;
    height: 500px;
    background-color: #000;
    color: #fff;
}

.footer .sf {
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 400px;
}

.footer .msg>img {
    width: 500px;
    margin-bottom: 10px;
}

.footer .sf .msg>p {
    margin-bottom: 10px;
}

.footer .sf .run>ul {
    margin-top: 20px;
    width: 100px;
    /* border: 1px solid #fff; */
    text-align: center;
    line-height: 30px;
}

.footer .copyRight {
    width: 100%;
    color: #6e6e6e;
    text-align: center;
    font-size: 14px;
}

.footer .sf .run>ul>a>li:hover {
    color: #18786a;
}

.footer .copyRight .beian::before {
    content: "| ";
}

.footer .copyRight .police>img {
    width: 16px;
    vertical-align: middle;
}

.footer .copyRight .police::before {
    content: "| ";
}

.footer .infringement {
    width: 100%;
    /* text-align: end; */
    color: #7a7a7a;
    display: flex;
    justify-content: center;
    font-size: 12px;
}