/*content-box*/
.content-box {
  position: relative;
  width: 100%; 
  padding: 20px 0;
  display: block;
}
.content-box .business{width: 1620px;padding:0 50px;margin:0 auto;}
.b_title h3 {
    font-size: 2.2rem;
    color: #35383a;
}
.b_title span {
    font-size: 1rem;
    color: #b6b6b6;
    font-family: Roboto;
    display: block;
    margin-top: .625rem;
    margin-bottom: 1rem;
}
.b_title i {
    display: block;
    width: 50px;
    height: 2px;
    background: #2B74C3;
}
.content-box .b_content{margin-top: 3rem;display: flex;font-size: 1rem;color: #7e7e7e;line-height: 1.75rem;}
.b_content .bc_left{
    width: 50%;
}
.b_content p{
    margin-bottom: 1rem;
}
.b_content .bc_right{
  width: 50%;
  padding-left:50px;
}
.b_content .imgbox{
    border-radius: 25px;
    overflow: hidden;
    box-shadow: 0px 0px 20px 10px rgb(0 0 0 / 10%);
    -webkit-transition: all .3s linear;
    -moz-transition: all .3s linear;
    -ms-transition: all .3s linear;
    -o-transition: all .3s linear;
    transition: all .3s linear;
}
.b_content .imgbox:hover {
    -webkit-transform: scale(1.05, 1.05);
    -moz-transform: scale(1.05, 1.05);
    -ms-transform: scale(1.05, 1.05);
    -o-transform: scale(1.05, 1.05);
    transform: scale(1.05, 1.05);
}
.b_content img{
    display: block;
    width: 100%;
}
.b_content .bc_c{margin-top: 3rem;}

.pd{text-align: center;}
.pd .b_title i{margin:0 auto;margin-bottom: 15px;}

.pd .byc {
    margin: 3rem 0;
    overflow: hidden;
    display: flex;
    justify-content: space-between;
}

.pd .bycs.on {
    width: calc(100% - 740px);
    flex-shrink: 0;
}
.pd .bycs {
    transition: .7s;
    width: 235px;
    height: 100%;
}
.pd .bycs {
    overflow: hidden;
    flex-grow: 1;
    position: relative;
    border-radius: .625rem;
}

.pd .bycs>.bl {
    height: 34.375rem;
    background-position: center center !important;
    background-size: cover !important;
}

.bycs+.bycs {
    margin-left: 12px;
}

.hr-twill-colorful {
    margin: 5rem 0;
    border: 0;
    padding: 3px;
    background: linear-gradient(135deg, red, orange,green, blue, purple);
    --mask-image: repeating-linear-gradient(135deg, #000 0px, #000 1px, transparent 1px, transparent 6px);
    -webkit-mask-image: var(--mask-image);
    mask-image: var(--mask-image);
}
@media (max-width: 1200px){
  .class-box .menu{margin-bottom: 3rem;}
	.content-box {box-sizing: border-box;padding-top:0;}
  .class-box .menu .menu_left{display: flex;justify-content: space-around;}
  .content-box .business{width: 100%;padding:0 20px;}
  .content-box .business ul a{width: 100%; margin-bottom: 2rem;}
  .content-box .business ul a li{font-size: 1.8rem;margin-right: 20px;}
  .content-box .business ul a:last-child li{margin-right: 0;}
}
@media (max-width: 768px){
  .content-box .business ul a li{margin-right: 0;}
  .b_content{flex-direction: column;}
  .b_content .bc_left{width: 100%;order:1;}
  .b_content .bc_right{width: 100%;padding-left: 0;margin-bottom: 2rem;}
  .pd .byc{margin: 0;flex-direction: column;}
  .pd .bycs{width: 100%;margin-bottom: 2rem;}
  .bycs+.bycs{margin-left: 0;}
  .pd .bycs.on{width: 100%;}
  .class-box .menu .menu_left a {font-size: 16px; margin-right: auto; padding: 10px 25px;}
}
@media (max-width: 576px){
  .class-box .menu{padding:20px 0 0 0;margin-bottom: 2rem; padding: 20px 0 40px 0;}
  .b_title{margin-bottom: 40px;}
  .content-box .business ul {flex-direction: column;padding:0;}

}
@media (min-width: 200px) {
    body [aos][aos][aos-duration='1200'], body[aos-duration='1200'] [aos] {
        -webkit-transition-duration: 0.8s;
        transition-duration: 0.8s;
    }
    body [aos=fade-right] {
        -webkit-transform: translate(-100px, 0);
        -ms-transform: translate(-100px,0);
        transform: translate(-100px, 0);
    }
}