.main {
    background: #f6f6f6;
}

.box1 {
    width: 100%;
    padding-top: 5.2vw;
}

.box1_cen {
    /* display: flex;
    align-items: center;
    flex-wrap: wrap; */
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 70px 50px;
}

.box1_cen .item {
    width: 100%;
    /* margin-right: 1.25%;
    margin-top: 30px; */
}

.box1_cen .item:nth-child(3n) {
    margin-right: 0;
}

.box1_cen .item .prc {
    width: 100%;
    aspect-ratio: 560/460;
    overflow: hidden;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border-radius: 10px;
}

.box1_cen .item .prc img {
    display: block;
    max-height: 80%;
    max-width: 80%;
}

.box1_cen .item .tit {
    font-size: var(--font-size-h3);
    line-height: 1.5;
    font-family: var(--font-semibold);
    color: #222;
    margin: 16px 0;
}

.box1_cen .item .box1_to {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.box1_cen .item .box1_to a,
.box1_cen .item .box1_to .btn2
 {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 135px;
    height: 46px;
    border-radius: 25px;
    background: #fff;
    font-family: "ProximaNova_Regular";
    font-size: 16px;
    color: #666666;
    margin-right: 20px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.box1_cen .item .box1_to a.active {
    background: #eda333;
    color: #fff;
}

.box1_cen .item .box1_to a:hover {
    background: #eda333;
    color: #fff;
}


.prop {
    padding: 90px 0;
    width: 100%;
    margin-top: 90px;
    margin-bottom: 90px;
    background-color: #f9f9f9;
}

.prop .prop_tit {
    text-align: center;
    font-size: var(--font-size-h2);
    color: #222;
    font-family: var(--font-semibold);
    margin-bottom: 60px;
}

.prop .prop_box {
    background: #fff;
    box-shadow: 0 0 10px rgb(0,0,0,0.05);
}

.prop .prop_box a {
    display: block;
}

.prop .prop_prc {
    width: 100%;
    aspect-ratio: 390/340;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden
}

.prop .prop_prc img {
    display: block;
    transition: all 0.3s ease;
    max-width: 70%;
}

.prop .prop_box:hover .prop_prc img {
    transform: scale(1.05);
}

.prop .prop_box .prop_tit {
    text-align: center;
    font-size:var(--font-size-h3);
    line-height: 1;
    font-family:var(--font-semibold);
    border-top: 1px solid #f6f6f6;
    height: 70px;
    line-height: 60px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: #222;
}

.prop_bom .swiper-pagination {
    position: absolute;
    top: auto;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 590px;
    margin: 0 auto;
    max-width: 100%;
}

.prop_bom .swiper-pagination-progressbar .swiper-pagination-progressbar-fill {
    background: #eda333;
}

@media (max-width:1500px) {
  
    .prop .prop_tit {
       
        margin-bottom:40px;
    }

    .prop {
        padding: 80px 0;
    }

    
}

@media (max-width:1200px) {
    .box1_cen .item .tit {
        
        margin: 15px 0
    }

    .box1_cen .item .box1_to a {
        width: 125px;
    }

    .prop {
        padding: 90px 0;
    }

    .prop .prop_tit {
        
        margin-bottom: 50px;
    }

    
    .box1_cen {
        
        grid-template-columns: repeat(2, 1fr);
       
    }
}

@media (max-width:768px) {
    .box1_cen {
        justify-content: space-between;
    }

    .box1_cen .item {
        width: 49%;
        margin-right: 0;
    }

    .box1_cen .item .tit {
        
        margin: 15px 0;
    }

    .box1_cen .item .box1_to a {
        width:110px;
        height: 40px; 
        font-size: 13px; 
        margin-bottom: 10px;
    }

    .prop .prop_tit {
        
        margin-bottom: 26px;
    }
    .box1_cen {
        grid-template-columns: repeat(1, 1fr);
        gap:40px 0;
    }
    .box1{
        padding: 40px 0;
    }
    .prop {
        padding: 50px 0;
        margin-top: 0;
        margin-bottom: 50px;
    }
}

@media (max-width:460px) {
    .box1_cen .item {
        width: 100%;
    }
}

/* faq */
.problem{
    padding: 0 0 100px;
}

.problem-list .toptit {
    font-size:var(--font-size-h3);
    color: #171a22;
    display: flex;
    align-items: center;
    margin-bottom: 0;
  }
  .problem .problem-content .common-h2{
    text-align: center;
    font-size: #333;
    font-size: var(--font-size-h2);
    margin-bottom: 3vw;
    font-family: var(--font-bold);
  }
  .problem .problem-content .common-h2 .color{
    color: var(--primary-color);
  }

  .problem-list .down{
    padding: 40px;
    border-radius: 10px;
    background: #fff;
    box-shadow:0 0 10px rgb(0,0,0,0.05);
    margin-bottom: 10px;
  }
  .problem-list .down.on .toptit {
    margin-bottom: 18px;
  }
  
  .problem-list .toptit .tit {
    flex: 1;
    display: inline-flex;
    align-items: center;
    color: #161616;
    font-size:var(--font-size-h3);
  }
  
  .problem-list  .hide-box {
    font-size: 16px;
    color: #666666;
    height: 0;
    opacity: 0;
    width: 100%;
    padding-right: 10%;
 
    padding-left: 30px;
    
  }
  
  .problem-list  .on .hide-box {
    height: auto;
    opacity: 1;
    margin-top: 25px;
  }
  
  .problem-list .show {
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    position: relative;
  }

  .problem-list .show::after,
  .problem-list .show::before {
    content: '';
    width: 2px;
    height: 10px;
    background: #fff;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .problem-list .on .show::after,
  .problem-list  .on .show::before {
    background: #fff;
  }
  
  .problem-list .show::before {
    transform: translate(-50%, -50%) rotate(90deg);
  }
  
  .problem-list .tit .xuhao{
    color: var(--primary-color);
    font-size: var(--font-size-18);
    margin-right: 10px;
    font-family: var(--font-bold);

  }
  
  .problem-list .on .show::after {
    transform: translate(-50%, -50%) rotate(90deg);
  }