.help {
  background: #f6f5f7;
}
.help .width-1200 {
  width: 1200px;
  margin: 0 auto;
}
.help .help-main {
  padding-top: 100px;
  padding-bottom: 120px;
}
.help .help-main .title-img {
  display: block;
  margin: 0 auto 40px;
}
.help .help-main .search-box form {
  width: 728px;
  height: 68px;
  background: #ffffff;
  box-shadow: 0px 13px 12px 0px rgba(0, 0, 0, 0.03);
  border-radius: 40px 40px 40px 40px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  padding-left: 18px;
  padding-right: 5px;
}
.help .help-main .search-box form .search-img {
  width: 48px;
  height: 48px;
  cursor: pointer;
}
.help .help-main .search-box form .input {
  flex: 1;
  margin: 0 12px;
  font-size: 18px;
  color: #333333;
}
.help .help-main .search-box form .go {
  width: 60px;
  height: 60px;
  background: linear-gradient(90deg, #7532a3 0%, #7e2f9f 20%, #972695 46%, #c01985 79%, #e0107a 100%), #d8d8d8;
  border-radius: 50%;
  cursor: pointer;
}
.help .help-main .search-box form .go img {
  width: 30px;
  height: 30px;
  display: block;
  margin: 14px auto;
}
.help .help-main .can-do {
  text-align: center;
  margin-top: 12px;
  font-weight: 500;
  font-size: 18px;
  color: #666666;
  line-height: 26px;
}
.help .help-main .classify {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 218px;
}
.help .help-main .classify .item {
  font-weight: 900;
  font-size: 14px;
  color: #121212;
  line-height: 64px;
  border-radius: 32px 32px 32px 32px;
  border: 1px solid #e4e5f2;
  flex: 1;
  text-align: center;
  cursor: pointer;
}
.help .help-main .classify .item.active,
.help .help-main .classify .item:hover {
  background: #ffffff;
}
.help .help-main .classify .item + .item {
  margin-left: 8px;
}
.help .help-main .related-course {
  font-weight: 900;
  font-size: 40px;
  line-height: 58px;
  text-align: center;
  margin-top: 120px;
}
.help .help-main .item-set {
  display: grid;
  grid-template-columns: 384px 384px 384px;
  grid-gap: 24px;
  margin-top: 40px;
}
.help .help-main .item-set .item {
  padding: 10px;
  background-color: #fff;
  border-radius: 24px;
  min-height: 440px;
  cursor: pointer;
}
.help .help-main .item-set .item a {
  display: block;
  width: 100%;
  height: 100%;
}
.help .help-main .item-set .item a .logo {
  width: 364px;
  height: 230px;
  object-fit: cover;
}
.help .help-main .item-set .item a .title-h3 {
  font-weight: 900;
  font-size: 20px;
  color: #ea501f;
  line-height: 29px;
  margin-top: 24px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.help .help-main .item-set .item a .content {
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-height: 20px;
  font-size: 14px;
  margin-top: 8px;
}
.help .help-main .item-more {
  width: 240px;
  line-height: 64px;
  background: #ffffff;
  box-shadow: 0px 5px 15px 0px rgba(0, 0, 0, 0.03);
  border-radius: 32px 32px 32px 32px;
  font-weight: 900;
  font-size: 20px;
  text-align: center;
  margin: 60px auto 0;
  cursor: pointer;
  display: block;
}
.help .help-main .categories-set {
  display: flex;
  justify-content: space-between;
  margin-top: 40px;
}
.help .help-main .categories-set .item {
  width: 288px;
  min-height: 578px;
  background: #ffffff;
  border-radius: 24px;
  padding: 40px 32px 100px;
  position: relative;
}
.help .help-main .categories-set .item .mark {
  display: block;
}
.help .help-main .categories-set .item .title {
  margin-top: 20px;
  font-weight: 900;
  font-size: 28px;
  color: #333333;
  line-height: 40px;
}
.help .help-main .categories-set .item .line {
  padding-top: 8px;
  font-size: 16px;
  font-weight: 500;
  line-height: 24px;
  background: url(../images/help/categories_icon_c.png) no-repeat left bottom;
  background-size: 24px 24px;
  padding-left: 28px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.help .help-main .categories-set .item .title + .line {
  margin-top: 20px;
}
.help .help-main .categories-set .item .more {
  position: absolute;
  left: 32px;
  bottom: 32px;
  width: 224px;
  height: 50px;
  border-radius: 12px 12px 12px 12px;
  border: 1px solid #e4e5f2;
  cursor: pointer;
  color: #292640;
}
.help .help-main .categories-set .item .more a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}
.help .help-main .categories-set .item .more a svg {
  fill: #292640;
  margin-left: 4px;
}
.help .help-main .categories-set .item .more:hover {
  background: #eeecfc;
  border-color: #eeecfc;
  color: #6239ec;
}
.help .help-main .categories-set .item .more:hover svg {
  fill: #6239ec;
}