@import 'iconfont.css';
.duoyuan {
  padding-bottom: 3.5rem;
  border-bottom: 2px solid #e6e6e6;
}
.duoyuan > h2 {
  font-size: 2.4rem;
  font-weight: bold;
  text-align: center;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}
.duoyuan p {
  font-size: 0.9rem;
  color: #999;
  text-align: center;
}
.regular {
  background: #f2f4f4;
}
.regular .content h2 {
  font-size: 1.5rem;
  font-weight: bold;
  padding-top: 2rem;
  margin-bottom: 2rem;
}
.regular .content ul {
  padding-bottom: 4rem;
  border-bottom: 1px solid #e6e6e6;
}
.regular .content ul li {
  float: left;
  width: 23%;
  cursor: pointer;
}
.regular .content ul li:not(:nth-child(4n)) {
  margin-right: 2.66666666%;
}
.regular .content ul li:nth-child(n+5) {
  margin-top: 2rem;
}
.regular .content ul li a .top {
  height: 0;
  padding-bottom: 67%;
  overflow: hidden;
}
.regular .content ul li a .top img {
  width: 100%;
}
.regular .content ul li a .bottom {
  background: #fff;
}
.regular .content ul li a .bottom h3 {
  line-height: 3rem;
  text-align: center;
  font-size: 0.8rem;
}
.regular .content ul li:hover {
  box-shadow: 0px 0px 30px 0px rgba(0, 0, 0, 0.2);
}
.mask-bt {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 100;
  display: none;
}
.mask-bt .con {
  margin: 0 auto;
  width: 1000px;
  background: #fff;
  position: relative;
  top: 10%;
}
.mask-bt .con .top {
  margin: 0 auto;
  padding-top: 2rem;
  width: 80%;
}
.mask-bt .con .top img {
  width: 100%;
}
.mask-bt .con h3 {
  font-size: 1.2rem;
  font-weight: bold;
  text-align: center;
  margin-top: 4rem;
  padding-bottom: 2rem;
}
.mask-bt .con .iconfont {
  position: absolute;
  right: 1rem;
  top: 1rem;
  transform: rotate(45deg);
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  font-size: 1.5rem;
  color: #bbb;
  cursor: pointer;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.mask-bt .con .iconfont:hover {
  transform: rotate(135deg);
  -webkit-transform: rotate(135deg);
  -moz-transform: rotate(135deg);
  -ms-transform: rotate(135deg);
}
@media screen and (max-width: 768px) {
  .duoyuan {
    padding-bottom: 2rem;
  }
  .duoyuan h2 {
    font-size: 1.6rem;
  }
  .duoyuan p {
    width: 80%;
    margin: 0 auto;
    font-size: 13px;
  }
  .regular .content h2 {
    font-size: 16px;
    padding-top: 1.5rem;
    margin-bottom: 1.5rem;
  }
  .regular .content ul {
    padding-bottom: 3rem;
  }
  .regular .content ul li {
    width: 48%;
  }
  .regular .content ul li:not(:nth-child(4n)) {
    margin-right: 0;
  }
  .regular .content ul li:nth-child(n+5) {
    margin-top: 0;
  }
  .regular .content ul li:not(:nth-child(even)) {
    margin-right: 4%;
  }
  .regular .content ul li:nth-child(n+3) {
    margin-top: 1.5rem;
  }
  .mask-bt .con {
    width: 90%;
    margin: 0 auto;
  }
}
/*# sourceMappingURL=solve_duoyuan.css.map */