.footer {
  margin-bottom: 51px;
  color: #333333;
  background: #F7F7F7;
}

.footer .footer-top {
  display: none;
}

.footer .footer-bottom {
  padding: 10px 0;
  text-align: center;
}

@media (min-width: 768px) {
  .footer {
    margin-bottom: 0;
  }

  .footer .footer-top {
    display: block;
    padding: 30px 0;
  }

  .footer .footer-top .container {
    display: flex;
    flex-wrap: wrap;
    padding: 0;
    justify-content: space-between;
  }

  .footer .item {
    padding: 0 15px;
    min-width: 180px;
  }

  .footer .item:nth-child(4) {
    width: 325px;
  }

  .footer .tit {
    font-weight: bold;
    color: var(--style-color);
  }

  .footer .item:nth-child(-n+2) .tit {
    padding-bottom: 12px;
    margin-bottom: 12px;
    border-bottom: 2px solid var(--style-color);
  }

  .footer .item-list>li:not(:last-child) {
    margin-bottom: 8px;
  }

  .footer .logo {
    width: auto;
    height: 45px;
    margin-bottom: 15px;
  }

  .footer .cont-list li {
    line-height: 1.8;
  }

  .footer .cont-list li:not(:last-child) {
    margin-bottom: 13px;
  }

  .footer .cont-list li i {
    display: inline-block;
    font-size: 20px;
    line-height: 1;
    margin-right: 4px;
    position: relative;
    top: 2px;
  }

  .footer .title-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--style-color);
    margin-bottom: 13px;
  }

  .footer .title-wrap .tit {
    margin-bottom: 0;
  }

  .footer .icon-list {
    display: flex;
    align-items: center;
  }

  .footer .icon-list li {
    line-height: 1;
    color: var(--style-color);
  }

  .footer .icon-list li:not(:last-child) {
    margin-right: 20px;
  }

  .footer .icon-list li a {
    display: inline-block;
  }

  .footer .icon-list li i {
    font-size: 20px;
  }

  .footer .form-group {
    margin-bottom: 17px;
  }

  .footer .form-control {
    border-radius: 0;
    border-color: #CACACA;
    background: #EFEFEF;
  }

  .footer input.form-control {
    height: 33px;
  }

  .footer textarea.form-control {
    min-height: 86px;
  }

  .footer .btn-wrap {
    margin-top: 20px;
  }

  .footer .btn {
    color: #fff;
    line-height: 1;
    padding: 6px 15px 5px;
    border-radius: 23px 0 23px 0;
    background-color: var(--style-color);
  }

  .footer .form-control::-webkit-input-placeholder {
    color: #999;
  }

  .footer .form-control:-moz-placeholder {
    color: #999;
  }

  .footer .form-control::-moz-placeholder {
    color: #999;
  }

  .footer .form-control:-ms-input-placeholder {
    color: #999;
  }

  .footer .footer-bottom {
  }
}

@media (max-width: 991px) {
  .footer .item:nth-child(3) {
    flex: 0 0 56%;
    max-width: 56%;
    margin-top: 30px;
  }

  .footer .item:nth-child(4) {
    flex: 0 0 44%;
    max-width: 44%;
    margin-top: 30px;
  }
}

@media (min-width: 992px) {
  .footer .item {
    max-width: 330px;
  }

  .footer .item:nth-child(3) {
    order: 4;
    flex: 0 0 100%;
    max-width: 100%;
    margin-top: 30px;
  }
}

@media (min-width: 1200px) {
  .footer .footer-top {
    padding-top: 49px;
    padding-bottom: 44px;
  }

  .footer .item:nth-child(1) {
    width: 200px;
  }

  .footer .item:nth-child(2) {
    width: 230px;
  }

  .footer .item:nth-child(3) {
    flex: none;
    order: 0;
    width: 385px;
    margin-top: 0;
  }

  .footer .title-wrap {
    margin-bottom: 32px;
  }

  .footer .icon-list li:not(:last-child) {
    margin-right: 20px;
  }

  .footer .item ul>li a, .footer .cont-list li, .footer .icon-list li, .footer .btn {
    transition: all .3s;
  }

  .footer .item-list>li a:hover, .footer .cont-list li a:hover {
    color: var(--style-color);
  }

  .footer .logo {
    height: 55px;
    margin-bottom: 20px;
  }

  .footer .icon-list li:hover,
  .footer .btn:hover {
    transform: translateY(-3px);
  }
}

@media (min-width: 1440px) {
  .footer .item:nth-child(-n+2) {
    width: 250px;
  }

  .footer .item:nth-child(3) {
    width: 495px;
  }
}


/* 手机端底部 */
.mobile-footer {
  width: 100%;
  color: #666;
  text-align: center;
  border-top: 1px solid #ccc;
  position: fixed;
  bottom: 0;
  left: 0;
  z-index: 99;
}

.mobile-footer ul {
  background: #fff;
  padding: 0 15px;
  flex-wrap: nowrap;
  justify-content: space-around;
  display: flex;
}

.mobile-footer li a i {
  width: 20px;
  height: 20px;
  margin: 5px auto 1px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (min-width: 768px) {
  .mobile-footer {
    display: none;
  }
}