.ai-customer-service-banner {
  height: 10.175rem;
}

.ai-customer-service-banner > img {
  display: block;
}

.ai-customer-service-content-title {
  font-size: 0.525rem;
  color: #0a0b0c;
  font-weight: 400;
  text-align: center;
  padding: .825rem 0;
}

.difficulties-wrapper {
  height: 8.9rem;
  overflow: hidden;
}

.difficulties-content {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-bottom: 0.4rem;
  flex: 1;
}

.ai-customer-service-bg {
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  height: 100%;
  width: 100%;
}

.difficulties-item-content {
  width: 3.4rem;
  height: 2.625rem;
  border-bottom-right-radius: 0.625rem;
  background: #fff;
  margin-right: 0.45rem;
  transition: background 0.3s ease;
}

.difficulties-item {
  position: relative;
  z-index: 1;
}

.difficulties-item:nth-child(2n) {
  margin-top: 0.75rem;
}

.difficulties-item-border1 {
  width: 0.075rem;
  height: 2.45rem;
  background: #182b90;
  position: absolute;
  top: 50%;
  left: -0.075rem;
  transform: translateY(-50%);
  z-index: -1;
}

.difficulties-item-border2 {
  background-image: url("../static/images/img_difficulties_item_border2.png");
  background-position: top center;
  background-repeat: no-repeat;
  background-size: cover;
  width: 0.025rem;
  height: 4.6rem;
  position: absolute;
  top: 0.6rem;
  left: -0.025rem;
  z-index: -1;
}

.difficulties-item-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding-left: 0.3rem;
  padding-right: 0.3rem;
}

.difficulties-item-title {
  font-size: 0.3rem;
  color: #090909;
  font-weight: bold;
  margin-bottom: 0.2rem;
}

.difficulties-item-desc {
  font-size: 0.2rem;
  color: #6a6a6a;
  font-weight: 400;
  margin-bottom: 0.1rem;
}

.difficulties-item-content:hover {
  background: #207eff;
}

.difficulties-item-content:hover .difficulties-item-title {
  color: #fff;
}

.difficulties-item-content:hover .difficulties-item-desc {
  color: #fff;
}

.text-white {
  color: #fff !important;
}

.ai-customer-service-bg > img {
  display: block;
}

.ai-customer-service-advantages-wrapper {
  height: 7.725rem;
  overflow: hidden;
}

.ai-customer-service-content-subtitle {
  margin-bottom: 0.9rem;
  text-align: center;
  color: #6a6a6a;
  font-size: .25rem;
  padding: 0 4.45rem;
  margin-top: -.45rem;
}

.ai-service-feature-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
}

.ai-service-feature-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  -webkit-box-shadow: 0px .075rem .125rem 0px rgba(208, 208, 208, 1);
  -moz-box-shadow: 0px .075rem .125rem 0px rgba(208, 208, 208, 1);
  box-shadow: 0px .075rem .125rem 0px rgba(208, 208, 208, 1);
  border-radius: .25rem;
  margin-right: .45rem;
  background-color: #f9f9f9;
  width: 3.775rem;
  height: 3.8rem;
  padding-top: .55rem;
  box-sizing: border-box;
  color: #6a6a6a;
  transition: all 0.3s ease;
}

.ai-service-feature-item:hover {
    box-shadow: none;
    background-color: #207EFF;
    color: #fff;
}

.ai-service-feature-item:hover .icon-question {
    background-image: url("../static/images/ico_question_active.png");
}

.ai-service-feature-item:hover .icon-guide {
    background-image: url("../static/images/ico_guide_active.png");
}

.ai-service-feature-item:hover .icon-divide {
    background-image: url("../static/images/ico_divide_active.png");
}

.ai-service-feature-item:hover .icon-branch {
    background-image: url("../static/images/ico_branch_active.png");
}

.ai-service-feature-item:last-child {
    margin-right: 0;
}

.ai-service-feature-item-icon {
    width: 56px;
    height: 56px;
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
    margin-bottom: .3rem;
}

.icon-question {
    background-image: url("../static/images/ico_question.png");
}

.icon-guide {
    background-image: url("../static/images/ico_guide.png");
}

.icon-divide {
    background-image: url("../static/images/ico_divide.png");
}

.icon-branch {
    background-image: url("../static/images/ico_branch.png");
}

.ai-service-feature-item-title {
  font-size: 0.3rem;
  font-weight: bold;
  margin-bottom: 0.2rem;
}

.ai-service-feature-item-desc {
  font-size: 0.2rem;
  font-weight: 400;
  margin-bottom: 0.1rem;
}

.ai-customer-service-advantages-img {
  width: 14.7rem;
  height: 5.175rem;
}

.ai-customer-service-advantages-img > img {
  display: block;
}