.eight-system-tip {
    font-size: 24px;
    color: #008ad4;
    line-height: 1em;
    margin-bottom: 40px;
  }

  .eight-system-main {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .eight-system-main>div {
    width: 116px;
    height: 35px;
    line-height: 35px;
    text-align: center;
    font-size: 13px;
    color: #008ad4;
    background: #e5f3fa;
    margin-bottom: 24px;
  }

  /* header */
  .ec-header {
    width: 100%;
    min-height: 64px;
    background: linear-gradient(91deg, rgba(39, 191, 118, 1) 0%, rgba(15, 175, 98, 1) 100%);
    /* padding: 0 20px; */
    position: fixed;
    top: 0;
    z-index: 9999;
  }

  .ec-header__left {
    width: 96px;
    height: 26px;
  }

  .ec-header__left img {
    display: block;
    width: 100%;
    height: 100%;
  }

  .ec-header__right {
    font-size: 14px;
    color: rgba(255, 255, 255, 1);
  }

  .ec-header__right:hover {
    color: #ffffff;
    text-decoration: none;
  }

  /* banner */
  .ec-banner {
    background-size: cover;
    height: 495px;
    display: flex;
    align-items: center;
    margin-top: 64px;
  }

  .ec-banner__title {
    /* padding-top: 160px; */ 
    font-size: 24px;
    color: rgba(255, 255, 255, 1);
  }

  .ec-banner__desc {
    margin-top: 20px;
    font-size: 18px;
    color: rgba(255, 255, 255, 1);
  }

  .ec-banner__button {
    display: block;
    margin-top: 48px;
    width: 152px;
    height: 45px;
    line-height: 45px;
    text-align: center;
    background: rgba(255, 255, 255, 1);
    border-radius: 4px;
    font-size: 20px;
    color: rgba(39, 191, 118, 1);
    text-decoration: none;
  }

  .ec-banner__button:hover {
    text-decoration: none;
  }

  /* list */
  .ec-item {
    padding: 55px 0 55px 0;
  }

  .ec-item__image {
    margin-top: 40px;
  }

  .ec-item__title {
    font-size: 28px;
    color: rgba(51, 51, 51, 1);
    text-align: center;
  }

  .ec-item--background-dark {
    background: rgba(245, 245, 245, 1);
  }

  .ec-footer .container {
    height: 100%;
  }

  .ec-item__list-advantage {
    margin-top: 34px;
  }

  .ec-item__list-advantage-title {
    font-size: 16px;
    color: rgba(0, 0, 0, 1);
  }

  .ec-item__list-advantage-desc {
    font-size: 12px;
    color: rgba(102, 102, 102, 1);
    margin-top: 8px;
  }

  .ec-button {
    margin-top: 32px;
  }

  .ec-button__item {
    width: 104px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    opacity: 1;
    border-radius: 2px;
    font-size: 14px;
    border: 1px solid rgba(255, 0, 38, 1);
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .ec-button__item:hover {
    text-decoration: none;
  }

  .ec-button__item:nth-child(1) {
    color: rgba(255, 255, 255, 1);
    background: linear-gradient(270deg, rgba(255, 0, 38, 1) 0%, rgba(255, 69, 0, 1) 100%);
  }

  .ec-button__item:nth-child(2) {
    color: rgba(255, 0, 38, 1);
    margin-left: 16px;
  }

  /* footer */
  .ec-footer {
    width: 100%;
    background: linear-gradient(91deg, rgba(39, 191, 118, 1) 0%, rgba(15, 175, 98, 1) 100%);
    padding: 30px 0;
  }

  .ec-footer__qrcode {
    display: inline-block;
    width: 104px;
    height: 104px;
  }

  .ec-footer__qrcode-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 1);
    margin: 10px 0;
  }

  .ec-footer__title {
    font-size: 24px;
    color: rgba(255, 255, 255, 1);
  }

  .ec-footer__buttons-item {
    display: inline-block;
    width: 152px;
    height: 45px;
    line-height: 45px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 1);
    border-radius: 4px;
    font-size: 16px;
    color: rgba(255, 255, 255, 1) !important;
    margin: 10px 0;
    text-decoration: none;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .ec-footer__buttons-item:first-child {
    background: #ffffff;
    color: rgba(39, 191, 118, 1) !important;
  }

  .ec-footer__buttons-item:hover {
    text-decoration: none;
  }

  .ec-footer__desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 1);
    margin: 16px 0 32px 0;
  }

  .footer-code-desc {
    font-size: 14px;
    color: #fff;
    text-align: center;
    margin-top: 15px;
  }

  /* station */
  .station {
    width: 100%;
    height: 100%;
    background: #ffffff;
    height: 201px;
  }

  /* advantage */
  .ec-advantage {
    text-align: center;
    background: rgba(255, 255, 255, 1);
    padding: 64px 0 25px 0;
  }

  .ec-advantage__item-inner {
    border: 1px solid #eee;
    border-radius: 8px;
    min-height: 277px;
    padding: 0 30px;
  }

  .ec-advantage__title {
    font-size: 32px;
    font-weight: 500;
    color: rgba(0, 0, 0, 1);
  }

  .ec-advantage__subtitle {
    font-size: 16px;
    color: rgba(102, 102, 102, 1);
    margin-top: 16px;
  }

  .ec-advantage__list {
    margin-top: 96px !important;
  }

  .ec-advantage__item {
    margin-bottom: 30px;
    height: 277px;
  }

  .ec-advantage__desc {
    font-size: 14px;
    color: rgba(102, 102, 102, 1);
    text-align: left;
  }

  .ec-advantage__item-icon {
    display: block;
    width: 56px;
    height: 56px;
    margin: 0 auto;
    margin-top: 32px;
  }

  .ec-advantage__item-title {
    font-size: 18px;
    line-height: 25px;
    color: rgba(0, 0, 0, 1);
    margin: 24px 0 16px 0;
  }

  /* SCRM */
  .ec-scrm .ec-advantage__list {
    margin-top: 16px!important;
  }

  .ec-scrm .ec-advantage__item {
    height: auto;
  }

  .ec-scrm .ec-advantage__item-warp {
    min-height: 175px;
    background-color: #fff;
    padding: 24px 24px 24px;
  }

  .ec-scrm .col-md-6.ec-advantage__item {
    margin-bottom: 0;
  }

  .ec-scrm .col-md-6 .ec-advantage__item-warp {
    padding: 24px 18px 0;
  }

  .ec-scrm .ec-advantage__item-icon {
    width: 100%;
    height: auto;
  }

  .ec-scrm .ec-advantage__item-title {
    margin-top: 0px;
  }

  /* ec-session */
  .ec-session {
    text-align: center;
    background: #fff;
    padding: 64px 0 98px 0;
  }

  .ec-session .ec-advantage__list {

  }
  /* privateData */

  .ec-privateData {
    text-align: center;
    background:linear-gradient(180deg,rgba(65,133,244,1) 0%,rgba(52,86,230,1) 100%);
    background:-webkit-linear-gradient(180deg,rgba(65,133,244,1) 0%,rgba(52,86,230,1) 100%);
    padding: 64px 0 55px 0;
  }

  .ec-privateData .ec-advantage__title {
    color: #fff;
  }

  /* function */
  .ec-fucntion {
    text-align: center;
    background: rgba(255, 255, 255, 1);;
    padding: 64px 0 55px 0;
  }

  .ec-fucntion__title {
    font-size: 32px;
    font-weight: 500;
    color: rgba(0, 0, 0, 1);
  }

  .ec-fucntion__desc {
    font-size: 16px;
    color: rgba(102, 102, 102, 1);
    margin-top: 16px;
  }

  .ec-function__item {
    box-shadow: 0px 3px 12px rgba(0, 0, 0, 0.08);
    border-radius: 10px;
    position: relative;
    padding: 32px 49px 40px 75px;
    margin-bottom: 32px;
    text-align: left;
  }

  .ec-function__icon {
    position: absolute;
    top: 54px;
    left: -44px;
    width: 88px;
    height: 88px;
    line-height: 88px;
    text-align: center;
    box-shadow: 0px 3px 24px rgba(0, 0, 0, 0.16);
    border-radius: 50%;
  }

  .ec-function__icon1 {
    background: rgba(243, 194, 3, 1);
  }

  .ec-function__icon2 {
    background: rgba(255, 63, 0, 1);
  }

  .ec-function__icon3 {
    background: rgba(0, 213, 99, 1);
  }

  .ec-function__icon4 {
    background: rgba(176, 83, 244, 1);
  }

  .ec-function__icon5 {
    background: rgba(0, 129, 245, 1);
  }

  .ec-function__icon1 img {
    width: 42px;
    height: 42px;
  }

  .ec-function__icon2 img {
    width: 39px;
    height: 37px;
  }

  .ec-function__icon3 img {
    width: 34px;
    height: 36px;
  }

  .ec-function__icon4 img {
    width: 40px;
    height: 32px;
  }

  .ec-function__icon5 img {
    width: 31px;
    height: 37px;
  }

  .ec-function__title {
    font-size: 22px;
    font-weight: bold;
    color: rgba(51, 51, 51, 1);
    text-align: left;
  }

  .ec-function__labels {
    margin-top: 25px;
  }

  .ec-function__label {
    padding: 4px 12px;
    background: rgba(239, 239, 244, 1);
    opacity: 1;
    border-radius: 14px;
    font-size: 14px;
    color: rgba(51, 51, 51, 1);
    margin: 0 12px 12px 0;
  }

  .ec-function__label:nth-child(4n) {
    margin-right: 0;
  }

  .ec-function__img {
    width: 272px;
    height: 218px;
    margin-top: 20px;
  }

  .ec-fucntion__box {
    display: flex;
    justify-content: space-between;
    margin-top: 48px;
  }

  .ec-fucntion__left {
    flex: 0 0 480px;
  }

  .ec-fucntion__right {
    flex: 0 0 480px;
  }

  /* use */
  .ec-use {
    background: rgba(245, 245, 245, 1);
    padding: 72px 101px;
    text-align: center;
  }

  .ec-use-title {
    font-size: 32px;
    font-weight: 500;
    color: rgba(0, 0, 0, 1);
  }

  .ec-use-box {
    width: 1008px;
    height: 312px;
    position: relative;
    margin: 0 auto;
    margin-top: 48px;
  }

  .ec-use-box .bd {
    position: relative;
    height: 100%;
    z-index: 0;
  }

  .ec-use-box .bd ul,
  .ec-use-box .bd li {
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .ec-use-box .bd li {
    zoom: 1;
    vertical-align: middle;
  }

  .ec-use-box .bd img {
    width: 100%;
    height: 100%;
    display: block;
  }

  .ec-use-box .prev,
  .ec-use-box .next {
    position: absolute;
    display: block;
    width: 56px;
    height: 56px;
    line-height: 56px;
    text-align: center;
    background: rgba(255, 255, 255, 1);
    border-radius: 50%;
    cursor: pointer;
  }

  .ec-use-box .prev img,
  .ec-use-box .next img {
    width: 10px;
    height: 16px;
  }

  .ec-use-box .prev {
    top: 50%;
    left: -104px;
  }

  .ec-use-box .next {
    top: 50%;
    right: -104px;
  }

  .ec-use-box .prevStop {
    display: none;
  }

  .ec-use-box .nextStop {
    display: none;
  }

  /* operation */
  .ec-operation {
    width: 100%;
    height: 672px;
    background: url('../images/teaching-butler-12.png') no-repeat center center;
    background-size: cover;
    text-align: center;
  }

  .ec-operation-title {
    font-size: 32px;
    font-weight: 500;
    color: rgba(255, 255, 255, 1);
    padding-top: 88px;
  }

  .ec-operation-desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 1);
    padding-top: 16px;
  }

  .ec-operation-box {
    width: 1008px;
    height: 312px;
    position: relative;
    margin: 0 auto;
    margin-top: 48px;
    overflow: hidden;
  }

  .ec-operation-box .bd {
    position: relative;
    height: 100%;
    z-index: 0;
  }

  .ec-operation-box .bd ul,
  .ec-operation-box .bd li {
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .ec-operation-box .bd {
    padding: 10px;
  }

  .ec-operation-box .bd ul {
    overflow: hidden;
    zoom: 1;
  }

  .ec-operation-box .bd ul li {
    margin-right: 32px;
    float: left;
    _display: inline;
    overflow: hidden;
    text-align: center;
  }

  .ec-operation-box .bd ul li .pic {
    text-align: center;
  }

  .ec-operation-box .bd ul li .pic img {
    width: 384px;
    height: 270px;
    display: block;
  }

  @media (max-width: 414px) {
    .container {
      padding: 0 2vw;
    }

    .row {
      margin: 0;
    }
  }

  @media (min-width: 992px) {

    /* header */
    .ec-header {
      padding: 0 30px;
    }

    /* banner */
    .ec-banner__title {
      font-size: 40px;
    }

    .ec-banner__desc {
      font-size: 20px;
    }

    /* list */

    .ec-item__title {
      text-align: left;
    }

    .flex-row-reverse .ec-item__left {
      padding-left: 111px;
    }

    .ec-item__image {
      margin-top: 0;
    }

    .ec-button {
      display: flex !important;
      align-items: center;
    }

    /* footer */
    .ec-footer {
      padding: 62px 0;
    }

    .ec-footer__title {
      font-size: 40px;
    }

    .ec-footer__buttons-item {
      font-size: 24px;
      margin: 0;
      flex: 0 0 152px;
    }

    .ec-footer__qrcode-desc {
      margin: 10px 0 0 0;
    }

    .ec-footer .row:first-child {
      width: 100%;
    }

  }
  
  /* navbar */
  .navbar-nav li {
    margin-right: 20px;
    padding: 0;
  }
  .nav-item.active a {
    position: relative;
  }
  
  .nav-item.active a::before {
    display: inline-block;
    content: " ";
    position: absolute;
    bottom: -4px;
    height: 2px;
    width: 78%;
    left: 50%;
    transform: translateX(-50%);
    background-color: #fff;
  }

  .collapse.show .nav-item.active a::before,
  .collapsing .nav-item.active a::before {
    content: '';
    background-color: transparent;
  }

  .ec-banner-inner {
    width: 100%;
    height: 100%;
  }

  @media (max-width: 991.98px) { 
    .ec-banner-inner {
      display: flex;
      align-items: center;
    }
    .ec-index-banner {
      background: url(../images/teaching-butler-00.png) right bottom no-repeat !important;
      background-size: contain !important;
    }
    .ec-session-banner {
      background: url(../images/session/session-01.png) right center no-repeat !important;
      background-size: contain !important;
    }

    .ec-scrm-banner {
      background: url(../images/teaching-butler-40.png) right center no-repeat !important;
      background-size: contain !important;
    }

    .ec-steward-banner {
      background: url(../images/steward/steward-01.png) right center no-repeat !important;
      background-size: contain !important;
    }

    /* 顶部菜单适配 */

    .ec-header {
      padding-top: 6px;
      box-sizing: border-box;
    }

    .navbar-text {
      display: block;
      float: right;
      /* border: 1px solid #fff; */
      /* padding: 4px 24px; */
      border-radius: 4px;
      /* width: 100%; */
      text-align: center;
      /* margin: 20px 0; */
    }

    .navbar-nav  {
      margin-top: 20px;
    }

    .ec-header .nav a.nav-link {
      color: #ebebeb;
    }

    .ec-header .nav a.nav-link.active {
      color: #333;
    }
}

.ec-header {
  padding-top: 4px;
}

/* 超小型手机型号处理 */
@media (max-width: 375.5px) {
  .nav-link {
    display: block;
    padding: .4rem 0.4rem;
    font-size: 14px;
  }
}