* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
bady {
    background: #E2D2A0;
}
.w {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 2000px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    height: 255vh;
    background-color: #E2D2A0;
    overflow: hidden;
}


.nav_img {
    left: -27px;
    display: inline-block;
    position: relative;
    /*width: 100%;
    height: 737px;*/
}
.nav_img .img_1-3 {
    display: inline-block;
    width: 437px;
    height: 100%;
}
.nav_img .img_1-3 .img_1 {
    position: absolute;
    width: 487px;
    height: 433px;
    
}
.nav_img .img_1-3 div p {
    font-size: 50px;
    font-family: "宋体";
    color: #fff;
    position: absolute;
    top: 325px;
    left: 30px;
    z-index: 1;
    cursor:default;
    transition: all .3s ease;
}
.nav_img .img_1-3:hover div p {
    transform: scale(1.02);
}
.nav_img .img_1-3 .img_2 {
    position: absolute;
    width: 193px;
    height: 203px;
    top: 433px;
}
.nav_img .img_1-3 .img_3 {
    position: absolute;
    width: 302px;
    height: 203px;
    top: 433px;
    left: 145px;
    cursor: pointer;
}
.nav_img .img_1-3 div .eszy {
    position: absolute;
    width: 136px;
    height: 151px;
    font-size: 60px;
    color: #fff;
    font-family: "宋体";
    top: 445px;
    left: 160px;
    z-index: 1;
cursor: pointer;
    transition: all .3s ease;
}
.nav_img .img_1-3 div:hover .eszy {
    color: rgb(203, 203, 203);
    transform: scale(1.02);
}
.nav_img .img_1-3 div a {
    position: absolute;
    font-size: 20px;
    color: #fff;
    font-family: "宋体";
    top: 575px;
    left: 370px;
    transition: all .3s ease;
}
.nav_img .img_1-3 div:hover a {
    color: rgb(203, 203, 203);
    transform: scale(1.02);
}
.nav_img .img_1-3 div a img {
    width: 10px;
    position: relative;
    top:-2px;
    left: 3px;
}
.nav_img .img_1-3 .hidden2 {
    width: 436px;
    height: 435px;
    background-color: rgba(91, 57, 22, 0.3);
    z-index: 100;
    position: absolute;
    transition: all .3s ease;
}
.nav_img .img_1-3:hover .hidden2 {
    opacity: 0;
}
.nav_img .img_4-8 {
    display: inline-block;
    width: 590px;
    height: 100%;
    margin-left: -5px;
} 
.nav_img .img_4-8 img{
position: absolute;
}
.nav_img .img_4-8 .img_5 {
    left: 724px;
    cursor: pointer;
  
}
.nav_img .img_4-8 .img_6 {
    top: 209px;
    width: 590px;
    height: 427px;
}
.nav_img .img_4-8 .img_7 {
    z-index: 1;
    top: 200px;
    transition: all .3s ease;
}
.nav_img .img_4-8:hover .img_7 {
    transform: scale(1.15);
}
.nav_img .img_4-8 .img_8 {
    z-index: 1;
    top: 250px;
    left: 800px;
    width: 250px;
    transition: all .3s ease;
}
.nav_img .hidden {
    position: absolute;
    background-color: rgb(75, 97, 35,.2);
    width: 590px;
    height: 427px;
    z-index: 10;
    top: 209px;
    transition: all .3s ease;
}
.nav_img .hidden:hover {
    opacity: 0;
}
.nav_img .img_4-8:hover .img_8 {
    transform: scale(1.1);
}
.nav_img .img_4-8 div p {
    position: absolute;
    z-index: 2;
    font-size: 55px;
    color:#fff;
    font-family: "宋体";
    top: 500px;
    left: 470px;
cursor: pointer;
    transition: all .3s ease;
    transition-delay: 0.05s;
}
.nav_img .img_4-8:hover p {
    transform: scale(1.02);
}
.nav_img .img_4-8 div .Chinese {
    position: absolute;
    width: 136px;
    height: 151px;
    font-size: 60px;
    color: #fff;
    font-family: "宋体";
    top: 15px;
    left: 750px;
    z-index: 1;
    cursor: pointer;
    transition: all .3s ease;
}
.nav_img .img_4-8 div:hover .Chinese {
    color: rgb(203, 203, 203);
    transform: scale(1.02);
}
.nav_img .img_4-8 div a {
    position: absolute;
    font-size: 20px;
    color: #fff;
    font-family: "宋体";
    top: 155px;
    left: 960px;
    z-index: 2;
    transition: all .3s ease;
}
.nav_img .img_4-8 div:hover a {
    color: rgb(203, 203, 203);
    transform: scale(1.02);
}
.nav_img .img_4-8 div a img {
    width: 10px;
    position: relative;
    top:-2px;
    left: 3px;
    z-index: 2;
}
.nav_img .img_9-13 {
    display: inline-block;
    width: 608px;
    height: 100%;
    margin-left: -7px;

}
.nav_img .img_9-13 img {
    position: absolute;
}
.nav_img .img_9-13 .img_9 {
    width: 660px;
    height: 435px;
    z-index: 2;
} 
.nav_img .img_9-13 .img_11 {
    top: 427px;
    left: 1026px;
    z-index: 3;
}
.nav_img .img_9-13 .img_12 {
    z-index: 4;
    top: 427px;
    left: 1300px;
    width: 105px;
    height: 209px;
    
}
.nav_img .img_9-13 .img_13 {
    z-index: 3;
    top: 427px;
    left: 1381px;
}
.nav_img .img_9-13 div .wenchuang {
    position: absolute;
    width: 136px;
    height: 151px;
    font-size: 60px;
    color: #fff;
    font-family: "宋体";
    top: 442px;
    left: 1036px;
    z-index: 4;
    cursor:pointer;
    transition: all .3s ease;
}

.nav_img .img_9-13 div:hover .wenchuang {
    color: rgb(203, 203, 203);
    transform: scale(1.02);
}

.nav_img .img_9-13 div a {
    position: absolute;
    font-size: 20px;
    color: #fff;
    font-family: "宋体";
    top: 572px;
    left: 1240px;
    z-index: 4;
    transition: all .3s ease;
}
.nav_img .img_9-13 div:hover a {
    color: rgb(203, 203, 203);
    transform: scale(1.02);
}
.nav_img .img_9-13 div a img {
    width: 10px;
    position: relative;
    top:-2px;
    left: 3px;
    z-index: 4;
}
.nav_img .img_9-13 .side .AI {
    position: absolute;
    width: 136px;
    height: 151px;
    font-size: 60px;
    color: #fff;
    font-family: "宋体";
    top: 442px;
    left: 1410px;
    z-index: 4;
    cursor:pointer;
    transition: all .3s ease;
}
.nav_img .img_9-13 .side:hover .AI {
    color: rgb(203, 203, 203);
    transform: scale(1.02);
}
.nav_img .img_9-13 .side .jing {
    display: block;
    width: 50px;
    height: 30px;
    position: absolute;
    font-size: 20px;
    color: #fff;
    font-family: "宋体";
    top: 572px;
    left: 1610px;
    z-index: 4;
    transition: all .3s ease;
}
.nav_img .img_9-13 .side .jing img {
    width: 10px;
    position: relative;
    top:-2px;
    left: 3px;
    z-index: 4;
}
.nav_img .img_9-13 .side:hover .jing {
    color: rgb(203, 203, 203);
    transform: scale(1.02);
}
.nav_img .img_9-13 .hidden4 {
    width: 660px;
    height: 428px;
    background-color: rgba(96, 50, 50, 0.3);
    z-index: 200;
    position: absolute;
    left: 1025px;
    transition: all .3s ease;
}
.nav_img .img_9-13:hover .hidden4 {
    opacity: 0;
}
.ai_btn {
    position: absolute;
    padding-left: 7px;
    padding-top: 5px;
    top: 450px;
    left: 1620px;
    z-index: 4;
    width: 35px;
    height: 93px;
    border: 1px solid #fff;
    border-radius: 10px;
    font-size: 18px;
    color: #fff;
    font-family: "宋体";
    cursor: pointer;
    transition: all .3s ease;
}
.nav_img .img_9-13 .side:hover .ai_btn{
    color: #b9b9b9;
    border: 1px solid #b9b9b9;
}

/* 只做视觉变换，不影响布局 */
.img-hover-effect {
    transition: 
        transform 0.35s cubic-bezier(0.4,0,0.2,1),
        filter 0.35s;
    will-change: transform, filter;
}
.text-hover-effect {
    transition: 
        transform 0.35s cubic-bezier(0.4,0,0.2,1),
        filter 0.35s;
    will-change: transform, filter;
}

/* 悬停时错位放大变亮 */
.img-hover-effect.hovered {
    transform: scale(1.13) translate(-10px, -8px);
    filter: brightness(1.18) drop-shadow(0 4px 16px #fff5);
    z-index: 10;
}
.text-hover-effect.hovered {
    transform: scale(1.18) translate(14px, 8px);
    filter: brightness(1.25) drop-shadow(0 2px 8px #fff8);
    z-index: 20;
}


.footer {
    background: #993012;
    color: #fff;
    padding: 230px 0 20px 0;
    font-size: 16px;
    position: absolute;
    top: 205vh;
    height: 500px;
    font-family: "宋体";
    width: 100%;
}