@media (max-width: 1220px) {
    html {
        font-size: 9px;
    }

    #wrap {
        min-width: 100%;
    }

    .inner {
        width: 100%;
        margin: 0 auto;
    }

    .navi {
        display: none;
    }

    nav {
        height: 100px;
    }

    .nav_hover {
        height: 100px;
    }

    .logo {
        padding: 0px 10px;
    }

    .logo img {
        transform: scale(0.8);
    }

    nav {
        padding: 5px 20px;
    }

    .nav_hover {
        padding: 5px 20px;
    }

    .nav_btn {
        right: 30px;
        top: 35px;
    }

    .nav_btn span {
        width: 40px;
        height: 2px;
    }

    .nav_pop_exit {
        top: 50px;
        right: 30px;
    }

    .nav_pop_exit span {
        width: 40px;
        height: 2px;
    }

    .slick button {
        top: 10px;
    }

    .slide button.slick-prev {
        left: 31%;
    }

    .slide button.slick-next {
        right: 65%;
    }

    .slick-dots {
        left: -25%;
    }

    .s2_port {
        width: 1000px;
    }

    .section3 ul {
        justify-content: space-around;
    }

    .section3 ul li img {
        transform: scale(0.9);
    }

    .s4_contain {
        margin-top: 80px;
        justify-content: space-around;
    }

    .s4_contain>div {
        width: 400px;
        height: 400px;
    }

    .s4_contain img {
        width: 100%;
        height: 100%;
    }
}

@media (max-width: 1130px) {

    .section3 {
        height: 1200px;
    }

    .section3 ul {
        display: block;
    }

    .section3 ul li {
        float: left;
        width: 50%;
        margin-bottom: 50px;
    }
}

@media (max-width: 1024px) {
    .s1_text {
        font-size: 8rem;
    }

    .s1_context {
        font-size: 2.2rem;
    }

    /* .slide button.slick-prev {
        left: 34%;
    }

    .slide button.slick-next {
        right: 60%;
    }

    .slide button{
        top: 64%;
    }

    .slick-dots {
        bottom: 35%;
        left: -23%;
    } */

    .section2 {
        height: 1200px;
    }

    .s2_port {
        width: 700px;
        display: block;
        text-align: center;
    }

    .s2_context2 {
        margin-top: 100px;
    }

    .s2_key,
    .s2_key2 {
        font-size: 5rem;
    }

    .s2_add {
        top: 55%;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 8px;
    }

    .logo {
        padding: 0px 10px;
    }

    .logo img {
        transform: scale(0.7);
    }

    nav {
        padding: 10px 5px;
    }

    .nav_hover {
        padding: 10px 5px;
    }

    .nav_btn {
        right: 30px;
    }

    .nav_btn span {
        width: 40px;
        height: 2px;
    }

    .nav_pop_exit {
        right: 30px;
    }

    .nav_pop_exit span {
        width: 40px;
        height: 2px;
    }

    .section1 {
        height: 850px;
    }

    .slide div {
        height: 850px;
    }

    .slide img {
        height: 100%;
    }

    .slide button {
        display: none;
    }

    .slick-dots {
        bottom: 25%;
        left: 50%;
        transform: translateX(-50%);
    }

    .s2_port {
        width: 450px;
    }

    .section4 {
        height: 1300px;
    }

    .s4_contain {
        display: block;
    }

    .s4_contain div {
        margin-bottom: 50px;
    }

    .foot div:first-child {
        flex: 1;
    }

    .foot div:last-child {
        flex: 3;
    }

    .s2_text,
    .s2_eng {
        display: none;
    }

    .s2_text_768,
    .s2_eng_768 {
        display: block;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 7px;
    }

    .section1 {
        height: 650px;
    }

    .slide div {
        height: 650px;
    }

    .slide img {
        height: 100%;
    }

    h2 {
        padding-top: 50px;
    }

    .section2,
    .section3,
    .section4 {
        padding: 25px 0px;
    }

    .s2_port {
        width: 100%;
    }

    .section2 {
        height: 1000px;
    }

    .s2_bg {
        background-size: 400px;
    }

    .section3 {
        height: 1800px;
    }

    .section3 ul li {
        float: none;
        width: 100%;
    }

    .s4_contain>div {
        width: 100%;
        padding: 0px 10px;
        box-sizing: border-box;
    }

    .logo {
        padding: 0px 5px;
    }

    .logo img {
        transform: scale(0.5);
    }

    nav {
        padding: 5px 0px;
    }

    .nav_hover {
        padding: 5px 0px;
    }

    .nav_btn {
        right: 30px;
    }

    .nav_btn span {
        width: 30px;
        height: 1px;
    }

    .nav_pop_exit {
        right: 30px;
    }

    .nav_pop_exit span {
        width: 30px;
        height: 1px;
    }
}