.n-product-content{
    margin-top: 60px;
}
.n-tab{
    display: flex;
    width: 100%;
}
.n-tab div{
    width: 33.33%;
    text-align: center;
    border-bottom: 1px solid #CCC;
    color: #000;
    text-align: center;
    font-size: 20px;
    font-weight: 700;
    line-height: 135%;
    padding: 10px 0 30px;
    cursor: pointer;
}
.n-tab-active{
    color: #E6224D!important;
    border-bottom: 4px solid #E6224D!important;
}
.n-tab-content{
    background: #FFF;
    box-shadow: 0px 0px 10px 0px rgba(100, 100, 100, 0.10);
    margin-top: 28px;
    display: flex;
}
.n-product-series{
    width: 317px;
    padding: 24px;
    border-right: 0.5px solid #DDD;
}
.n-product-cardlist{
    width: calc(100% - 413px);
    padding: 24px 24px 40px;
}

.sidebar {
  font-size: 16px;
}
.sidebar .toggle{
    margin: 12px 0px 12px 0px;
    font-weight: 700;
    padding: 0;
}
.sidebar .root-type{
    margin: 12px 0px;
    padding: 0;
}
.sidebar .open{
    color: #DA0030;
}
.sidebar .toggle-secend{
    color: #000;
}
/* 默认隐藏 submenu */
.sidebar .submenu {
  display: none;
  margin-left: 24px;
}

/* 展开时显示 */
.sidebar .submenu.open {
  display: block;
}

/* 菜单项通用样式 */
.sidebar li {
  position: relative;
  padding: 6px 0 6px 14px;
  cursor: pointer;
  color: #000;
  line-height: 150%;
}
.sidebar li:hover{
    color: #DA0030;
}


/* 末级子项（判断是否有子submenu）显示圆点 */
.sidebar .submenu li:not(.toggle)::before {
  content: "";
  position: absolute;
  left: -10px;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: #fff;
  border: 1px solid #000;
}

/* 选中项样式 */
.sidebar .submenu li.active {
  color: #DA0030;
  font-weight: bold;
}

.sidebar .submenu li.active::before {
  background-color: #DA0030;
  border-color: #DA0030;
}

/* 展开/收起图标（+ / -） */
.sidebar li.toggle::after {
  content: "+";
  float: right;
  margin-right: 8px;
  color: #7D7D7D;
}

.sidebar li.toggle.open::after {
  content: "−";
  color: #DA0030;
}

.n-series-name{
    margin-bottom: 16px;
    font-size: 16px;
    color: #222222;
    font-weight: 500;
}
.product-card {
    background: #FAFBFB;
    display: flex;
    align-items: center;
    padding: 24px;
    gap: 65px;
    position: relative;
    margin-bottom: 16px;
  }
  .product-image img {
    width: 250px;
  }
  .product-info {
    flex: 1 1 0%;
    min-width: 0;
  }
  .product-title {
    font-size:24px;
    font-weight: bold;
    margin: 0 0 10px 0;
    color: #222;
  }
  .product-desc {
    color: #666;
    margin-bottom: 16px;
    font-size: 16px;
    line-height:150%;
  }
  .feature-list {
    margin: 0;
    padding-left: 20px;
  }
  .feature-list li {
    font-size: 16px;
    color: #000000;
    line-height: 150%;
    position: relative;
  }
  .feature-list li::before {
    content: "";
    position: absolute;
    top: 10px;
    width: 4px;
    height: 4px;
    background-color: #000;
    border-radius: 50%;
    left: -12px;
  }
  .product-links {
    margin-top: 32px;
  }
  .product-links a {
    font-size: 16px;
    text-decoration: none;
    color: #385075;
    margin-right: 23px;
  }
  .product-links a:last-child {
    color: #E60039;
  }
  .product-links a:hover {
    text-decoration: underline;
  }
  .downloaddoc{
    color: #000;
    text-align: center;
    font-size: 16px;
    line-height: 150%;
    margin-top: 24px;
  }
  .downloaddoc a{
    color: #385075;
  }
  .showmorebtn{
    margin: 44px auto 0 auto;
    padding: 16px 72px;
    color: #000;
    font-size: 18px;
    line-height: 24px;
    border-radius: 10px;
    background: #F0F0F0;
    position: relative;
    width: 220px;
    cursor: pointer;
  }
  .showmorebtn::after{
    content: "";
    width: 16px;
    height: 16px;
    background-image: url(../img-new/arrow.svg);
    background-size: cover;
    position: absolute; 
    top: 20px;
    right: 72px;
  }
  .showmore-active{
    border-radius: 10px;
    background: #E6224D;
    box-shadow: 0px 10px 20px 0px rgba(230, 34, 77, 0.25);
    color: #FFFFFF;
  }
  .showmore-active::after{
    background-image: url(../img-new/arrow-white.svg);
  }
  .remark{
    color: #385075;
    font-size: 14px;
    line-height: 150%;
    margin-top: 10px;
  }
  .show-m,.n-product-cardlist-m{
    display: none;
  }

  .product-tag{
    color: var(---, #292929);
    font-size: 16px;
    font-weight: 500;
    line-height: 38px;
    padding: 0 12px;
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.05);
    width: fit-content;
    margin-bottom: 10px;
  }
  @media screen and (max-width: 768px) { 
    .productbox {
        margin-top: 80px;
        background: #f7f7f7;
    }
    .n-product-content {
        margin-top: 20px;
    }
    .n-tab div {
        font-size: 14px;
        font-weight: 400;
        padding: 0px 12px 8px;
    }
    .n-tab-active {
        font-weight: 700!important;
    }
    .n-product-cardlist{
        display: none;
    }
    .n-tab-content {
        background: unset;
        box-shadow: unset;
        margin-top: 0px;
    }
    .n-product-series {
        width: 100%;
        padding: 0px;
        border-right: 0px solid #DDD;
    }
    .sidebar .root-type {
        background-color: #FFFFFF;
        margin: 20px 0px;
        padding: 12PX 16PX;
    }
    .sidebar .submenu {
        margin-left: 0px;
        padding: 0;
    }
    .sidebar .toggle {
        margin: 20px 0px;
        padding: 12px 16px;
    }
    .sidebar li{
        padding: 12px 16px;
    }
    /* 长度超过1个不显示*/
    .sidebar .submenu li:not(.toggle){
        background-color: #FFFFFF;
        display: none;
    }
    .sidebar .submenu li:not(.toggle)::before {
        display: none;
    }
    .downloaddoc {
        padding-bottom: 36px;
    }
    .show-m{
        display: block!important;
    }
    .sidebar .curSelect{
        color: #000000!important;
        padding: 12px 16px;
        border-bottom: 0.5px solid #9B9B9B;
    }

    .sidebar .curSelect::after{
        content: "";
        margin: 4px 4px 4px 0;
        float: right;
        background-image: url(../img-new/down-dis.svg);
        width: 16px;
        height: 16px;
    }
    .sidebar .curSelect-haschild::after{
        background-image: url(../img-new/down.svg); 
    }
    .n-product-cardlist-m{
        margin-top: 20px;
    }
    .sidebar .curSelect-haschild-active::after{
        transform: rotate(180deg);
    }
    .sidebar li:hover{
        color: #000000; 
    }
    .white-bak{
        MAX-HEIGHT: 220px;
        overflow: auto;
        border-radius: 8px;
    }
    .curSelect-haschild-active{
        position: sticky;
        top: 0;
        z-index: 99;
        background: #FFFFFF;
    }
    .product-card {
        border-radius: 8px;
        background-color: #FFFFFF;
        padding: 24px;
        margin-bottom: 20px;
        justify-content: center;
        flex-direction: column;
        align-items: center;
        gap: 0;
    }
    .feature-list{
      padding-left: 0;
    }
    .feature-list li{
        display: block!important;
        padding: 0px;
    }
    .feature-list li span{
      font-size: 14px;
      padding-right: 12px;
    }
    .product-links {
        margin-top: 20px;
    }
    .showmorebtn {
        margin: 20px auto;
        padding: 16px 80px;
        width: 140px;
    }
    .n-product-cardlist-m-1{
        display: block;
    }
    .product-tag{
      line-height:150%;
      padding: 4px 12px;
    }
  }