.sutong-cases {padding:80px 0;position:relative}

.sutong-cases .more {margin:25px auto 0 0;min-width:205px;padding:10px 40px 10px 10px;display:inline-flex;align-items:center;text-align:center;font-size:15px;font-weight:700;color:#fff;border-radius:35px;transition:0.5s cubic-bezier(0.19,1,0.22,1);letter-spacing:1.1px;background:#323234}
.sutong-cases .more .ico {margin-right:20px;position:relative;width:50px;height:50px;border:2px solid #fff;border-radius:50%;background:#fff;overflow:hidden;}
.sutong-cases .more .ico::before {display:block;content:'';width:100%;height:100%;background:#323234;border-radius:50%;opacity:0;transition:opacity 0.11s ease-out,transform 0.11s ease-out;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);transform:translate(-50%,-50%) scale(0);}
.sutong-cases .more .ico em {display:block;width:100%;height:100%;transition:transform 0.22s 0.1s ease-out;}
.sutong-cases .more .ico em i {color:#323234;z-index:1;font-size:18px;transition:color 0.22s 0.1s ease-out;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);}
.sutong-cases .more span {transition:0.5s cubic-bezier(0.19,1,0.22,1);}
.sutong-cases .more:hover {transform:scale(1.15)}
.sutong-cases .more:hover .ico {border:2px solid #fff;}
.sutong-cases .more:hover .ico::before {opacity:1;transform:translate(-50%,-50%) scale(1);transition:opacity 0.22s ease-out,transform 0.22s ease-out}
.sutong-cases .more:hover .ico em {animation:moveRightInitial 0.22s 0.15s forwards,moveRightEnd 0.3s 0.2s forwards;transform:translateX(20px)}
.sutong-cases .more:hover .ico em i {color:#fff}
.sutong-cases .more:hover span {transform:scale(0.85) translate3d(0,0,0) perspective(1px)}
                                                
.sutong-cases .tit {text-align:center;height:75px;overflow:hidden;border-bottom:1px solid #eaedef}
.sutong-cases .tit h4 {color:#fff;font-size:98px;font-weight:700;line-height:1;text-shadow:rgba(210,217,221,.75) 1px 0 0,rgba(210,217,221,.75) 0 1px 0,rgba(210,217,221,.75) -1px 0 0,rgba(210,217,221,.75) 0 -1px 0}
.sutong-cases .top {display:flex;justify-content:space-between}
.sutong-cases .t {width:685px}
.sutong-cases .t h3 {font-size:36px;color:#212121;font-weight:400;line-height:1;position:relative;z-index:20}
.sutong-cases .t h3::after {display:block;content:'';width:80px;height:2px;background:var(--bg-color);margin:10px auto 0 0}
.sutong-cases .t .more1 {margin:34px 0 0}
.sutong-cases .top .txt {flex:1;margin-left:15px;font-size:17px;color:#666;line-height:36px}
.sutong-cases ul {margin:75px -20px 0;display:flex;justify-content:space-between;flex-wrap:wrap}
.sutong-cases ul li {width:33.3333%;padding:15px 20px;display:flex;flex-direction: column;}
.sutong-cases ul li>a {position:relative;overflow:hidden;display:block}
.sutong-cases ul li > h6{font-size:20px;font-weight:700;color:#001325;margin-bottom:15px;line-height:1;flex: 1;display:flex;align-items: flex-end;justify-content: center;}
.sutong-cases ul li img {display:block;width:100%}
.sutong-cases ul li .txt {position:absolute;left:0;top:0;right:0;bottom:0;width:100%;z-index:105;padding:0 10px 10px;transition:opacity .2s,transform .35s;display:flex;justify-content:flex-end;-webkit-flex-direction:column;flex-direction:column;align-items: flex-start;}
.sutong-cases ul li .txt::after {content:"";background:rgb(0,115,224,.85);height:0;position:absolute;left:0;right:0;bottom:0;transition:all .3s ease 0s}
.sutong-cases ul li .txt>* {position:relative;z-index:10}
.sutong-cases ul li .txt h6 {font-size:20px;font-weight:700;color:#fff;line-height:1}
.sutong-cases ul li .txt p {font-size:15px;color:#fff;line-height:28px;height:0;overflow:hidden;transition:all .5s ease 0s;margin:15px 0 0}
.sutong-cases ul li .txt .more-father{background:#323234;color:#fff;border-radius:35px;padding:5px 10px 5px 5px;display:inline-flex;align-items:center;text-align:center;}
.sutong-cases ul li .txt .more1 {display:inline-flex;align-items:center;font-size:14px;font-weight:600;color:#fff;}
.sutong-cases ul li .txt .more1 i {color:#323234;font-size:18px;border-radius:50%;width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;text-align:center;margin-right:20px;background:#fff;}
.sutong-cases ul li:hover .txt::after {height:100%}
.sutong-cases ul li:hover .txt p {height:112px}
.sutong-cases ul li:hover .more1 i {background:#2054B5;}


@media screen and (max-width:1600px) {
.sutong-cases {padding:75px 0;}
.sutong-cases .t{width:635px}
}

@media screen and (max-width:1500px) {
.sutong-cases .t {width:560px}
}

@media screen and (max-width:1441px) {
.sutong-cases {padding:70px 0;}
.sutong-cases .tit h4 {font-size:90px}
.sutong-cases .t h3 {font-size:34px}
.sutong-cases .more1 {padding:0 35px}
.sutong-cases .t {width:540px}
}

@media screen and (max-width:1367px) {
.sutong-cases {padding:65px 0;}
.sutong-cases .tit h4 {font-size:80px}
.sutong-cases .t h3 {font-size:32px}
.sutong-cases .t {width:520px}
.sutong-cases .tit {height:65px}
.sutong-cases ul {margin:50px -20px 0}
.sutong-cases ul li .txt h6 {font-size:19px}
.sutong-cases ul li .txt p {line-height:26px}
}

@media screen and (max-width:1281px) {
.sutong-cases {padding:60px 0;}
.sutong-cases .tit h4 {font-size:70px}
.sutong-cases .t h3 {font-size:30px}
.sutong-cases .tit {height:60px}
.sutong-cases .top .txt {line-height:32px}
.sutong-cases .t{width:500px}
.sutong-cases ul {margin:48px -15px 0}
.sutong-cases ul li {padding:12px 15px}
.sutong-cases ul li .txt {padding:0 25px 20px}
.sutong-cases ul li .txt p {line-height:23px}
}

@media screen and (max-width:1171px) {
.sutong-cases .tit h4 {font-size:60px}
.sutong-cases .t h3 {font-size:32px}
.sutong-cases .tit {height:50px}
.sutong-cases .t {width:480px}
.sutong-cases .top .txt {line-height:30px}
.sutong-cases ul li .txt p {margin:0}
}

@media screen and (max-width:992px) {
.sutong-cases .top .txt {line-height:30px}
.sutong-cases .t {width:100%}
.sutong-cases .t {text-align:center}
.sutong-cases .t h3::after {margin:10px auto 0}
.sutong-cases .top .txt {margin:15px 0 0;line-height:28px}
.sutong-cases ul {margin:25px -15px 0}
.sutong-cases ul li .txt {padding:0 20px 18px}
.sutong-cases ul li .txt .more {display:none}
.sutong-cases .top {margin:45px 0 0;display:block}
}

@media screen and (max-width:768px) {
.sutong-cases .more1 {padding:0 30px;height:50px}
.sutong-cases .tit h4 {font-size:50px}
.sutong-cases .t h3 {font-size:28px}
.sutong-cases .tit {height:45px}
.sutong-cases .top .txt {line-height:28px}
.sutong-cases {padding:30px 0;}
.sutong-cases .top {margin:30px 0 0}
.sutong-cases .t h3::after {margin:15px auto 0}
.sutong-cases .t .more1 {margin:25px 0 0}
.sutong-cases .top .txt {margin:15px 0 0;font-size:16px}
.sutong-cases ul {margin:20px -10px 0}
.sutong-cases ul li {width:50%;padding:10px}
.sutong-cases ul li .txt {padding:0 15px 15px}
.sutong-cases ul li .txt h6 {font-size:18px}
}

@media screen and (max-width:768px) {
.sutong-cases ul li .txt h6 {font-size:18px}
}

@media screen and (max-width:576px) {
.sutong-cases .t h3 {font-size:26px}
.sutong-cases .tit h4 {font-size:40px}
.sutong-cases .tit {height:35px}
.sutong-cases ul li .txt .more {display:none}
.sutong-cases ul li .txt h6 {font-size:17px}
}

@media screen and (max-width:480px) {
.sutong-cases .more1 {padding:0 25px}
.sutong-cases .t h3 {font-size:24px}
.sutong-cases .tit h4 {font-size:30px}
.sutong-cases .tit {height:25px}
.sutong-cases ul {margin:14px 0 0}
.sutong-cases ul li {width:100%;padding:6px 0}
}