.header_buy_boxnav ul li {
  width: 100%;
}

.header_buy_boxnav, .header_buy_boxnav ul {
  width: 100%;
}


.boxnav_show {
  display: block;
}

.boxnav_none {
  display: none;
}

.product-float-top {
  position: fixed;
  top: 0;
  width: 1400px;
  background-color: #fff;
  z-index: 1000;
}

.a_mr20_hw64 {
  width: 190px;
  height: 48px;
}

.width_ss span {
  font-size: 18px;
}

.img_w38r2 {
  background:url("/images2020/mac22.png") no-repeat 0 0;
  width: 22px;
  height: 22px;
}

.width_s {
  padding-right: 15px;
}

.mcp_btn:hover .img_w38r2 {
  background:url("/images2020/mac22-hover.png") no-repeat 0 0;
}
.img_w38r3 {
  background:url("/images2020/download-hover.png") no-repeat 0 0;
  width: 22px;
  height: 22px;
}
.img_w38r4 {
  background:url("/images2020/win01-hover.png") no-repeat 0 0;
  width: 22px;
  height: 22px;
}
.mcp_btn:hover .img_w38r4 {
  background:url("/images2020/win01.png") no-repeat 0 0;
}
.mcp_btn:hover .img_w38r2 {
  background:url(/images2020/mac22-hover.png)no-repeat 0 0;
}

.width_s {
  padding-right: 15px;
}

.mcp_btn:hover .img_w38r3 {
  background:url("/images2020/download.png") no-repeat 0 0;
}
.a_mr20_hw64:hover .img_w38r2 {
  background:url("/images2020/mac22-hover.png") no-repeat 0 0;
}

.content-three {
  margin-top: 90px;
}

.content-three-main-box {
  margin-bottom: 30px;
}


.top_hp {
  text-align: center;
}

.top_hp h2 {
  font-family: Open Sans;
  font-size: 48px;
  font-weight: 700;
  font-stretch: normal;
  line-height: 48px;
  letter-spacing: 0px;
  color: #1a1a1a;
  margin-top: 100px;
}

.top_hp p {
  font-family: Open Sans;
  font-size: 18px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 30px;
  letter-spacing: 0px;
  color: #555555;
  margin-top: 20px;
  width: 100%;
}

.content-three-card .h3-main, .content_card_spu .h3_card {
  font-size: 22px;
  margin-bottom: 20px;
}

.content-three-card-main {
  margin-bottom: 45px;
}

.content_card_spu .mcp_btn span {
  font-size: 14px;
}

.header_buy_boxnav ul li p {
  font-family: Open Sans;
  font-size: 24px;
  font-weight: 600;
  font-stretch: normal;
  letter-spacing: 0px;
  line-height: 50px;
  width: 100%;
}

.header_buy_boxnav ul li p a {
  font-family: Open Sans;
  font-size: 24px;
  font-weight: 600;
  font-stretch: normal;
  letter-spacing: 0px;
  line-height: 50px;
  width: 100%;
  color: #000;
  display: block;
  text-decoration: none;
}


@media (max-width: 1100px) {

  .header_buy_boxnav ul li p {
      font-size: 16px;
  }

  .header_buy_boxnav ul li p a {
      font-size: 16px;
  }
}


@media (max-width: 768px) {
  .boxnav_show {
      display: none !important;
  }

  .boxnav_none {
      display: block;
  }

  .product_recommend_group {
      display: flex;
      flex-flow: row nowrap;
      justify-content: flex-start;
      align-items: center;
  }

  .div_h3font {
      margin-right: 20px;
      margin-bottom: 0;
  }

  .top_hp h2 {
      font-size: 30px;
      margin-top: 60px;
  }

  .top_hp p {
      font-size: 16px;
      margin-top: 0;
  }

}

@media (max-width: 450px) {
  .product_recommend_group {
      flex-flow: column nowrap;
  }

  .div_h3font {
      margin-right: 0;
      margin-bottom: 30px;
  }

  .product-view-main-recommend-left-button-group {
      margin-right: 0;
  }
}

@media (max-width: 375px) {
  .header_buy_boxnav ul li p {
      font-size: 12px;
  }
}