.banner_width {
    padding: 0 20px;
    margin: auto;
}

.banner_title {
    font-size: 28px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #333333;
    text-align: center;
    line-height: 40px;
}

.intro {
    background-image: url(../../images/2024_new/trusteeship/banner.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    padding: 50px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.intro_t{
    font-weight:700;
    color:#ffffff;
    font-size:28px;   
}
.intro_exp{
    color:#ffffff;
    font-size:20px;
    padding-bottom:12px;
    margin-top: 24px; 
    line-height: 24px; 
}


.techpark{
    padding: 50px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.techpark_exp{
    line-height: 32px;
    color: #666666;
    font-size: 16px;
    text-align: justify;   
}
.techpark_t{
    color:#333333;
    font-size:40px;  
    margin-top: 40px; 
}
.techpark img{
    width: 100%;
    margin-top: 36px;
}

.techparkintro img{
    width: 100%;
}

.polymerization{
    padding: 50px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.polymerization_m{
    margin-top: 56px;
    display: flex;
    align-items: center;
    flex-direction: column;
}
.polymerization_m img{
    width:607px;  
}
.polymerization_m ul{
    width: 92%;
    color:#333333;
    font-size:16px;
}
.polymerization_m ul li{
    display: flex;
    align-items: center;
    position: relative;
    margin-bottom: 16px;
    line-height: 24px;
}
.polymerization_m ul li::before{
    content: '';
    position: absolute;
    width: 11px;
    height: 11px;
    transform: rotate(45deg);
    background: #e7290f;
    border-radius: 2px;
    left: -20px;   
}

.ask{
    background:#fbfbfb;
    padding: 50px 20px;  
    display: flex;
    flex-direction: column;
    align-items: center;
}
.ask img{
    width:100%; 
    margin-top: 56px;  
}


.advantage{
    padding: 50px 20px;  
    display: flex;
    flex-direction: column;
    align-items: center;
}
.advantage_m{
    margin-top: 40px;
    display: flex;
    align-items: center;
    flex-direction: column;
}
.advantage_block{
    width:100%;
    display: flex;
    align-items: center;
    flex-direction: column;
    margin-bottom: 30px;
}
.advantage_block img{
    width:140px;   
}
.advantage_block p{
    color:#333333;
    font-size:24px;  
    margin: 16px 0 26px 0;
}
.advantage_block span{
    height:44px;
    color:#333333;
    font-size:16px;
    text-align:center;  
    line-height: 22px;
}

.characteristic{
    background:#fbfbfb;  
    padding: 50px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.characteristic_m{
    margin-top: 40px;
    display: flex;
    align-items: center;
    flex-direction: column;
}
.characteristic_block{
    display: flex;
    align-items: center;
    flex-direction: column;
    margin-bottom: 30px;
}
.characteristic_block img{
    width:100px;   
}
.characteristic_block p{
    color:#333333;
    font-size:24px;  
    margin: 16px 0 26px 0;
}
.characteristic_block span{
    color:#333333;
    font-size:16px;
    text-align:center;  
    line-height: 22px;
}

.solution{
    background:#130d37;  
    padding: 50px 0;
}
.solution_m{
    margin-top: 56px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}
.solution_block{
    display: flex;
    align-items: center;
    flex-direction: column;
    width:48%;
    height:340px;
    transition: all .3s;
    position: relative;
    cursor: context-menu;
}

.solution_block_img{
    width: 24px;
    margin-top: 8px;
}
.solution_block p{
    color:#ffffff;
    font-size:16px;
    margin: 16px 0 20px 0;
}
.solution_block span{
    line-height: 24px;
    color: #ffffff;
    font-size: 12px; 
    width: 90%;   
    text-align: justify;
}
.solution_block_imgb{
    position: absolute;
    width:41px;
    height:28px;
    right: -38px;
    top: 32px;
}


.scope{
    padding: 50px 20px; 
    display: flex;
    flex-direction: column;
    align-items: center;
 }
 
 .scope_tab{
     margin: 30px 0;
     display: flex;
     align-items: center;
     justify-content: space-between;
     flex-wrap: wrap;
     color:#666666;
     font-size:16px;
 }
 
 .scope_tab li {
    background-color: #fafafa;
    color: #e7290f;
     cursor: pointer;
     position: relative;
     transition: .3s ease;
     padding: 10px 15px;
     border-radius: 4px;
     margin-bottom: 20px;
 }
 
 .scope_tab_active {
     color: #ffffff !important;
     background-color: #e7290f !important;
     transition: color .3s ease;
     display: flex;
     align-items: center;
     flex-direction: column;
     justify-content: center;
     transition:all .3s ;
 }
 
 .scope_content{
     position: relative;
     width: 100%;
 }
 .scope_panel{
     width: 100%;
     height: 100%;
     align-items: center;
     flex-direction: column;
     display: none;
 }
 .scope_panel_spe>div{
     display: flex;
     align-items: center;
     flex-direction: column;
 }
 .scope_panel_active{
     display: flex;
 }
 .scope_block{
     margin-bottom: 30px;
 }
 .scope_block_p{
     color:#333333;
     font-size:16px;
     margin-bottom: 12px;
     display: flex;
     align-items: center;
     line-height: 22px;
 }
 .scope_block_p i{
    display: none;
     width: 8px;
     height: 8px;
     background: #e7290f;
     border-radius: 2px;
     border-radius: 100%;
 }
 .scope_block_t{
    color: #333333;
    font-size: 18px;
    margin-bottom: 14px;
 }
 .scope_panel_exp{
     color:#666666;
     font-size:16px;
     margin-top: 24px;   
 }
 

.case{
    padding: 50px 20px;
    background:#fbfbfb;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.case_m{
    margin-top: 36px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}
.case_card{
    position: relative;
    width:100%;
    height: 340px;
    margin-bottom: 48px;
    box-shadow:9.7px 11px 14.2px rgba(187, 187, 187, 0.2);
}
.case_card img{
    width: 100%;
}
.case_card_b{
    position: absolute;
    width: 100%;
    height:184px;
    background:#ffffff;
    border-radius:8px;
    bottom: 0;
}
.case_card_b_bottom{
    height: 220px !important;
}
.case_card_t{
    color:#333333;
    font-size:20px;
    margin:24px 0 8px 16px;
}
.case_card_exp{
    width: 90%;
    margin-left: 16px;
    color: #666666;
    font-size: 12px;
    text-align: justify;
    line-height: 20px;
}