.app_home {
  border: 1px solid red;
}

/* 公共样式部分 */
.header_container {
  position        : fixed;
  top             : 0;
  left            : 0;
  right           : 0;
  z-index         : 100;
  height          : 80px;
  background-color: #fff;
  box-shadow      : 0 1px 5px #ccc;
}

.header_container .content_box {
  margin   : 0 auto;
  min-width: 1200px;
  max-width: 50%;
}

.header_container .content_box .nav_list_box .nav_item {
  border-bottom: 2px solid transparent;
}

.header_container .content_box .nav_list_box .nav_item.active {
  border-bottom: 2px solid #60CB4C;
}

.footer_container {
  background-color: #fff;
  height          : 210px;
  background-color: #fff;
}

.footer_container .content_box {
  margin    : 0 auto;
  min-width : 1200px;
  max-width : 50%;
  border-top: 1px solid #bbb;
}

.footer_container .content_box>div:nth-child(2)>div>div>div {
  width           : 32px;
  height          : 32px;
  background-color: #000;
  color           : #fff;
  border-radius   : 50%;
}

/* 主体内容部分 */
.body_container {}

.banner_container {
  width           : 100vw;
  height          : 55vh;
  background-color: #000;
  overflow        : hidden;
}

.banner_box {
  transition : all 0.5s linear;
  white-space: nowrap;
}

.banner_item {
  width            : 100vw;
  height           : 55vh;
  background-color : #fff;
  background-size  : 100% auto;
  background-repeat: no-repeat;
}

.banner_massage {

  min-width: 1200px;
  max-width: 50%;
  color    : #fff;
  top      : 10vh;
  left     : 50vw;
  transform: translateX(-50%);
}

.banner_massage>span {
  display    : inline-block;
  width      : 28vw;
  white-space: normal;
}

.banner_controller {
  transform: translateX(-50%);
  bottom   : 14vh;
  left     : 50vw;
  min-width: 1200px;
  max-width: 50%;
}

.banner_controller .icon {
  color: #fff;
}

.banner_controller>div:nth-child(2)>div {
  transition      : all 0.5s linear;
  background-color: #fff;
  width           : 10px;
  height          : 10px;
  margin-left     : 0.5rem;
  cursor          : pointer;
}

.banner_controller>div:nth-child(2)>div.active {
  background-color: #60CB4C;
  width           : 20px;
}

.banner_footer {
  transform : translateX(-50%);
  bottom    : 2vh;
  left      : 50vw;
  min-width : 1200px;
  max-width : 50%;
  border-top: 1px solid #fff;
  color     : #fff;
}

.core_application {
  margin          : 0 auto;
  min-width       : 1200px;
  max-width       : 50%;
  background-color: #fff;
  color           : #000;
  padding         : 60px 0 40px 0;
}

.core_application .common_line {
  width           : 43px;
  height          : 2px;
  background-color: #60CB4C;
  box-shadow      : 0 1px 5px #49833f, 0 -1px 5px #60CB4C;
  margin-top      : 3px;
}

.core_application .describe {
  color     : #979797;
  display   : inline-block;
  width     : 50vw;
  margin-top: 30px;
}

.core_application .application_container {
  padding: 0 4vw;
}

.core_application .application_item {
  transition: all 0.2s linear;
  width     : 23%;
  height    : 23vh;
  overflow  : hidden;
  cursor    : pointer;
}

.core_application .application_item img {
  margin-left: 50%;
  transform  : translateX(-50%);
}

.core_application .application_item>div {
  width : 70%;
  margin: .5rem 30%;
}

.core_application .application_item .detail {
  opacity: 0;
  margin : 2px 0;
}

.core_application .application_item:hover {
  box-shadow      : 1px 1px 5px #ccc;
  height          : auto;
  background-color: #fff;
  border-radius   : 6px;
  z-index         : 2;
}

.core_application .application_item:hover>p:nth-child(2) {
  color      : #60CB4C;
  font-weight: bold;
}

.core_application .application_item:hover>div>.detail {
  opacity: 1;
}

.application_item_container {
  margin          : 375px auto 0 auto;
  min-width       : 1200px;
  max-width       : 50%;
  background-color: #fff;
}

.application_item_container>div {
  font-size      : 16px;
  color          : #939393;
  display        : flex;
  flex-direction : column;
  cursor         : pointer;
  justify-content: center;
  margin-right   : 2rem;
}

.application_item_container>div .application_line {
  transition      : all 0.3s linear;
  width           : 0px;
  height          : 2px;
  background-color: #60CB4C;
  box-shadow      : 0 1px 5px #49833f, 0 -1px 5px #60CB4C;
  margin-top      : 3px;
}

.application_item_container>div.active {
  font-size  : 18px;
  color      : #000;
  font-weight: bold;
}

.application_item_container>div.active .application_line {
  width: 43px;
}

.application_content {
  background-size  : 100% 100%;
  background-repeat: no-repeat;
  background-color : #000;
  height           : 50vh;
}

.application_content_cover {
  position        : absolute;
  top             : 0;
  right           : 0;
  bottom          : 0;
  left            : 0;
  background-color: rgba(0, 0, 0, .8);
  z-index         : -1;
}

.application_content_box {
  margin   : 0 auto;
  min-width: 1200px;
  max-width: 50%;
  flex-wrap: wrap;
}

.application_content_item {
  color: #fff;
}

.application_content_item>span:nth-child(1) {
  color: #60CB4C;
}

.application_content_item>span:nth-child(2) {
  width: 30vw;
}

.about_container {
  margin          : 0 auto;
  min-width       : 1200px;
  max-width       : 50%;
  background-color: #fff;
  color           : #000;
  padding         : 5vh 0 3vh 0;
}

.about_container .common_line {
  width           : 43px;
  height          : 2px;
  background-color: #60CB4C;
  box-shadow      : 0 1px 5px #49833f, 0 -1px 5px #60CB4C;
  margin-top      : 3px;
}

.about_container>div:nth-child(3)>div>span:nth-child(1) {
  color    : #101010;
  font-size: 24px;
}

.about_container>div:nth-child(3)>div>span:nth-child(2) {
  color: #979797;
}

.about_container .btn {
  border       : 1px solid #60CB4C;
  border-radius: 20px;
  color        : #60CB4C;
  width        : 120px;
  height       : 40px;
  line-height  : 40px;
  text-align   : center;
  margin-top   : 30px;
}


.cooperation_container {
  margin   : 0 auto;
  min-width: 1200px;
  max-width: 50%;
  padding  : 5vh 0;
}

.cooperation_container .common_line {
  width           : 43px;
  height          : 2px;
  background-color: #60CB4C;
  box-shadow      : 0 1px 5px #49833f, 0 -1px 5px #60CB4C;
  margin-top      : 3px;
}

.cooperation_container .img_box {
  flex-wrap: wrap;
}

.cooperation_container .img_box_item {
  width        : 18%;
  height       : 22vh;
  border       : 1px solid #bbb;
  border-radius: 6px;
  margin-top   : 2rem;
}