.index_banner_img{
    width: 100%;
}
.index_banner_img img{
    width: 100%;
    vertical-align: bottom;
}
.index_banner_cen{
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
.index_banner_p1{
    text-align: center;
    font-weight: 400;
    font-size: 40px;
    color: #FFFFFF;

}
.index_banner_p2{
    font-weight: 400;
    font-size: 24px;
    line-height: 180%;
    text-align: center;
    color: #FFFFFF;
    margin-top: 46px;
}
.index_banner_btn{
    width: 236px;
    height: 60px;
    background: #02040B;
    margin: auto;
    margin-top: 78px;
    font-weight: 600;
    font-size: 20px;
    color: #FFFFFF;
    gap: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.index_banner_btn img{
    width: 18px;
    height: 18px;
}
.index_banner_btn_a{
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
}
.index_banner_btn_j2{
    display: none;
}
.index_banner_btn:hover{
    background: #ffffff;
    color: #02040B;
}
.index_banner_btn:hover .index_banner_btn_j1{
    display: none;
}
.index_banner_btn:hover .index_banner_btn_j2{
    display: block;
}
.index_box1{
    width: 1320px;
    margin: auto;
    padding-top: 115px;
    padding-bottom: 100px;
    display: flex;
    gap: 50px;
}
.index_box1_L{
    width: 698px;
    height: 452px;
}
.index_box1_L img{
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.index_box1_R{
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex: 1;
    padding: 12px 0;
}
.index_box1_p{
    font-weight: 600;
    font-size: 20px;
    color: #252525;
    margin-bottom: 32px;
}
.index_box1_p span{
    font-weight: 600;
    font-size: 20px;
    color: #252525;
    margin: 0 16px;
}
.index_box1_btn{
    border: 2px solid #000000;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    width: 236px;
    height: 60px;
    font-weight: 600;
    font-size: 16px;
    color: #252525;


}
.index_box1_btn img{
    height: 18px;
    width: 18px;
}
.index_box1_btn_a{
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.index_box1_btn_j2{
    display: none;
}
.index_box1_btn:hover{
    background: #02040B;
    color: #ffffff;
}
.index_box1_btn:hover .index_box1_btn_j1{
    display: none;
}
.index_box1_btn:hover .index_box1_btn_j2{
    display: block;
}
.index_box2{
    height: 408px;
    width: 100%;
    background: url(../images/index_5.png) no-repeat 0 0/100% 100%;
}
.index_box2_cen{
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}
.index_box2_p1{
    font-weight: 600;
    font-size: 32px;
    line-height: 180%;
    color: #000000;
}
.index_box2_p2{
    font-weight: 600;
    font-size: 18px;
    line-height: 180%;
    text-decoration: underline;
    color: #252525;
    text-underline-offset: 4px; /* 间距，常用 3px ~ 8px；也可以写 0.2em 随字号缩放 */
}
.index_box3{
    margin-top: 186px;
    margin-bottom: 100px;
}
.index_box3_t{
    font-weight: 600;
    font-size: 28px;
    color: #252525;
}
.index_box3_ul{
    margin-top: 64px;
    display: flex;
    align-items: center;
    gap: 28px;
}
.index_box3_li{
    width: 508px;
}
.index_box3_img{
    width: 100%;
    height: 324px;

}
.index_box3_img img{
    width: 100%;
    height: 100%;
    vertical-align: bottom;
}
.index_box3_time{
    font-family: Rany;
    font-weight: 500;
    font-size: 16px;
    color: #B6B6B6;
    margin-top: 15px;
}
.index_box3_name{
    font-weight: 600;
    font-size: 16px;
    color: #252525;
    margin-top: 24px;
}
.index_box3_btn{
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}
.index_box3_btn2{
    margin: auto;
    margin-top: 146px;
    width: 237px;
    height: 60px;
    border: 2px solid #000000;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    font-weight: 600;
    font-size: 16px;
    color: #252525;

}
.index_box3_btn2 img{
    width: 18px;
    height: 18px;
}
.index_box3_btn2_a{
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}
.index_box3_btn2_jt2{
    display: none;
}
.index_box3_btn2:hover{
    background: #02040B;
    color: #ffffff;
}
.index_box3_btn2:hover .index_box3_btn2_jt1{
    display: none;
}
.index_box3_btn2:hover .index_box3_btn2_jt2{
    display: block;
}
.index_box4{
    margin-top: 124px;
    margin-bottom: 115px;
}
.index_box4_p1{
    font-weight: 600;
    font-size: 32px;
    color: #252525;
    line-height: 180%;
    text-align: center;
}
.index_box4_p2{
    font-weight: 400;
    font-size: 16px;
    color: #252525;
}
.index_box4_cen{
    display: flex;
    align-items: end;
    justify-content: space-between;
    margin-top: 30px;
    gap: 100px;
}
.index_box4_span{
    font-weight: 500;
    font-size: 20px;
    color: #252525;
    line-height: 180%;
}
.index_box4_input{
    border: 2px solid #000000;
    width: 300px;
    height: 50px;
    outline: none;
    padding: 20px;
}
.index_box4_input_b{
    width: 100%;
}
.index_box4_input2{
    width: 100%;
}
.index_box4_li2{
    width: auto;
    flex: 1;
}
.index_box4_btn{
    margin:  auto;
    width: 196px;
    height: 58px;
    background: #000000;
    font-weight: 600;
    font-size: 24px;
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 56px;
}
.index_box4_btn:hover{
    color: #000000;
    background: #FFFFFF;
}