.ai_banner{position: relative;}
.ai_banner_i{position: relative;}
.ai_banner_i>img{width: 100%;object-fit: cover;height: calc(100vh);}
.ai_banner_w{position: absolute;left: 8%;top: 40%;display: flex;justify-content: center;flex-direction: column;color: #fff;align-items: flex-start;gap: 40px;}
.ai_banner_w>h1{font-size: 4rem;font-weight: 600;}
.ai_banner_w>p{font-size: 16px;line-height: 2;max-width: 730px;}
.ai_banner_w>span{position: relative;color: #fff;line-height: 60px;padding: 0 3rem;font-size: 16px;border: 1px solid #fff;display: inline-block;letter-spacing: .5em;}
.ai_banner_v{position: absolute;bottom: 0;left: 8%;right: 8%;padding: 18px;background-color: #fff;display: flex;justify-content: flex-end;gap: 18px;}
.ai_banner_vi{border: 2px solid transparent;}
.ai_banner_vi>img{width: 120px;height: 78px;object-fit: cover;}
.ai_banner_va{border-color: var(--base);}

.ai_arrow{color: #aaa;text-align: center;font-family: monospace,serif;position: absolute;bottom: 20px;z-index: 1;font-size: 30px;font-weight: 900;transition: .3s;width: 60px;height: 60px;line-height: 54px;}
.ai_arrow.slick_prev{left: 10%;}
.ai_arrow.slick_next{left: calc(12% + 60px);}

/* .ban_dot{position: absolute;bottom: 60px;text-align: center;left: 50%;transform: translateX(-50%);}
.ban_dot>li{display: inline-block;width: 54px;height: 8px;font-size: 0;outline: 0;margin-right: 20px;transition: all .5s;cursor: pointer;border: 1px solid #fff;border-radius: 5px;}
.ban_dot>li:last-child{margin-right: 0;}
.ban_dot>.slick-active{background-color: #fff;;}
.ban_dot>li button{display: none;} */

.ai_about{background: url('/images/index/0.jpg') no-repeat center/cover;}
.ai_about_c{padding: 60px 0;display: flex;justify-content: space-between;}
.ai_about_l{width: 36%;padding-left: 6%;}
.ai_about_l>h1{font-size: 36px;line-height: 1.8;font-weight: 600;}
.ai_about_lw{display: flex;justify-content: flex-start;gap: 100px;margin-top: 40px;}
.ai_about_i>h1{font-size: 16px;}
.ai_about_i>h1>span{font-size: 50px;color: var(--base);font-weight: 900;}
.ai_about_i>p{font-size: 18px;}
.ai_about_r{width: 60%;}
.ai_about_r>p{line-height: 2;font-size: 16px;color: #666;}
.ai_about_r>a{line-height: 56px;padding: 0 60px;border: 1px solid #aaa;display: inline-block;margin-top: 40px;font-size: 16px;transition: .3s;}
.ai_about_r>a>i{font-family: serif,monospace;font-style: normal;}
.ai_about_r>a:hover{border-color: var(--base);color: var(--base);}

.ai_news{}
.ai_news_c{padding: 100px 0;}
.ai_news_t{display: flex;justify-content: space-between;align-items: center;}
.ai_news_tl{}
.ai_news_tl>h1{font-size: 16px;}
.ai_news_tl>h1>span{font-size: 36px;letter-spacing: .1em;}
.ai_news_tl>p{line-height: 2;margin-top: 10px;color: #999;letter-spacing: 1px;}
.ai_news_t>a{line-height: 44px;padding: 0 40px;background-color: var(--base);color: #fff;}
.ai_news_m{display: flex;justify-content: space-between;margin: 40px 0 60px;}
.ai_news_ml{width: 62%;}
.ai_news_mr{width: 34%;}
.ai_news_mi{position: relative;}
.ai_news_mi>img{width: 100%;height: 432px;object-fit: cover;}
.ai_news_w{position: absolute;padding: 320px 20px 20px;top: 0;bottom: 0;left: 0;right: 0;color: #fff;transition: .4s;}
.ai_news_w>h1{font-size: 26px;}
.ai_news_w>p{font-size: 16px;margin-top: 10px;}
.ai_news_mi:hover .ai_news_w{padding-top: 300px;background-color: rgba(0,0,0,.6);}
.ai_news_r{display: flex;justify-content: space-between;align-items: center;}
.ai_news_ri{width: 32%;padding: 20px;box-shadow: 0px 7px 18px 0px rgba(0, 0, 0, 0.14);
transition: .3s;}
.ai_news_ri>h1>b{color: var(--base);font-size: 30px;}
.ai_news_ri>h1>span{color: #666;font-size: 14px;}
.ai_news_ri>h2{font-size: 18px;font-weight: 600;line-height: 3;white-space: nowrap;text-overflow: ellipsis;overflow: hidden;}
.ai_news_ri>p{color: #666;line-height: 2;display: -webkit-box;-webkit-box-orient: vertical;-webkit-line-clamp: 2;overflow: hidden;text-overflow: ellipsis;height: 48px;}
.ai_news_ri:hover{transform: translateY(-10px);}

.ai_serv{background: url('/images/index/30.jpg') no-repeat center/cover;}
.ai_serv_c{padding: 100px 0 0;}
.ai_serv_c .ac_title>h2{color: #fff;}
.ai_serv_c .ac_title>p{color: #aaa;}
.ai_serv_w{margin: 40px 0 0;display: flex;justify-content: space-between;}
.ai_serv_i{flex: 1;display: flex;flex-direction: column;height: 40rem;justify-content: center;align-items: center;gap: 30px;border-right: 1px solid #999;transition: .5s;}
.ai_serv_i>h1{color: #fff;font-size: 1.4rem;}
.ai_serv_i:hover{padding-bottom: 20px;}



@media screen and (max-width: 1200px) {
    .ai_banner_i>img{}
    .ai_banner_w{right: 8%;top: 30%;}
    .ai_banner_w>h1{font-size: 3rem;}
    .ai_banner_w>p{font-size: 1.4rem;}
    .ai_banner_w>span{padding: 0 2rem;letter-spacing: 0;line-height: 4rem;font-size: 1.4rem;}

    .ban_dot{bottom: 2rem;}
    .ban_dot>li{width: 3rem;height: .5rem;margin-right: 2rem;}

    .ai_about_c{flex-direction: column;gap: 4rem;}
    .ai_about_l{width: 100%;padding: 0;}
    .ai_about_lw{gap: 2rem;margin: 2rem 0 0;}
    .ai_about_l>h1{font-size: 3rem;}
    .ai_about_i>p{font-size: 1.2rem;}
    .ai_about_i>h1>span{font-size: 3rem;}
    .ai_about_r{width: 100%;}
    .ai_about_r>p{font-size: 1.6rem;}
    .ai_about_r>a{line-height: 4rem;padding: 0 4rem;font-size: 1.2rem;}

    .ai_news_c{padding: 6rem 0;}
    .ai_news_t{flex-direction: column;gap: 2rem;align-items: flex-start;}
    .ai_news_m{flex-direction: column;gap: 2rem;margin: 4rem 0;}
    .ai_news_mi{width: 100%;}
    .ai_news_mi>img{height: 20rem;}
    .ai_news_w{padding: 5rem 2rem 2rem;background-color: rgba(0,0,0,.6);}
    .ai_news_w>h1{font-size: 2.2rem;}
    .ai_news_w>p{font-size: 1.2rem;}
    .ai_news_r{flex-direction: column;gap: 2rem;;}
    .ai_news_ri{width: 100%;padding: 2rem;}

    .ai_serv_c{padding: 6rem 0 10rem;}
    .ai_serv_w{flex-wrap: wrap;gap: 4rem 0;}
    .ai_serv_i{flex: unset;width: 50%;border-right: 0;height: auto;gap: 2rem;}


}