.pull {
  background: url("../image/a4.jpg");
  background-size: cover;
  -webkit-background-size: cover;
  -o-background-size: cover;
  background-position: top center;
}
@media screen and (min-width: 1025px) {
  .title {
    width: 100%;
    font-weight: 700;
    font-size: 30px;
    text-align: center;
    height: 40px;
    line-height: 40px;
  }
  .container {
    width: 1400px;
    margin: 0 auto;
  }
  .banner {
    position: relative;
    overflow: hidden;
    height: 490px;
    width: 100%;
    background: url("../image/a4.jpg");
    background-size: 100% 100%;
    background-size: cover;
    -webkit-background-size: cover;
    -o-background-size: cover;
    background-position: top center;
  }
  .banner .container {
    overflow: hidden;
    height: 490px;
  }
  .banner .contain {
    animation: scaleBig 1s linear 1;
    margin-top: 100px;
    margin-left: 20px;
    width: 650px;
    color: white;
  }
  .banner .contain > :nth-child(1) {
    font-size: 40px;
  }
  .banner .contain > :nth-child(2) {
    margin-top: 20px;
    font-size: 20px;
  }
  .banner .contain > :nth-child(3) {
    margin-top: 20px;
    font-size: 14px;
    line-height: 26px;
  }
  body {
    background-color: #fff;
  }
  .sustain {
    margin-top: 80px;
  }
  .sustain ul {
    margin-top: 40px;
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .sustain ul li {
    margin-top: 30px;
    width: 444px;
    padding-bottom: 40px;
    box-shadow: 0px 0px 8px 1px #ccc;
    position: relative;
  }
  .sustain ul li .stitle {
    margin-top: 20px;
    margin-left: 5%;
    font-size: 20px;
    font-weight: 700;
  }
  .sustain ul li .text {
    width: 90%;
    margin: 0 auto;
    margin-top: 20px;
    font-size: 18px;
    line-height: 40px;
  }
  .sustain ul .button {
    position: absolute;
    cursor: pointer;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
  }
  .sustain ul li:hover {
    box-shadow: none;
  }
  .sustain ul .bz-buttonAnimat:before,
  .sustain ul .bz-buttonAnimat:after,
  .sustain ul .bz-buttonAnimat .inner:before,
  .sustain ul .bz-buttonAnimat .inner:after {
    background-color: #c1d8ff;
  }
  .sustain ul .bz-buttonAnimat:before,
  .sustain ul .bz-buttonAnimat:after,
  .sustain ul .bz-buttonAnimat .inner:before,
  .sustain ul .bz-buttonAnimat .inner:after {
    position: absolute;
    content: "";
    display: block;
    -webkit-transition: -webkit-transform 0.3s;
    transition: -webkit-transform 0.3s;
    transition: transform 0.3s;
    transition: transform 0.3s, -webkit-transform 0.3s;
  }
  .sustain ul .bz-buttonAnimat.horizontal:before,
  .sustain ul .bz-buttonAnimat.horizontal:after,
  .sustain ul .bz-buttonAnimat.both:before,
  .sustain ul .bz-buttonAnimat.both:after {
    left: 0;
    width: 100%;
    height: 3px;
    -webkit-transform: scaleX(0);
    transform: scaleX(0);
  }
  .sustain ul .bz-buttonAnimat.horizontal .inner:before,
  .sustain ul .bz-buttonAnimat.horizontal .inner:after,
  .sustain ul .bz-buttonAnimat.both .inner:before,
  .sustain ul .bz-buttonAnimat.both .inner:after {
    top: 0;
    width: 3px;
    height: 100%;
    -webkit-transform: scaleY(0);
    transform: scaleY(0);
  }
  .sustain ul .bz-buttonAnimat.horizontal .inner:before,
  .sustain ul .bz-buttonAnimat.both .inner:before {
    left: 0;
  }
  .sustain ul .bz-buttonAnimat.horizontal .inner:after,
  .sustain ul .bz-buttonAnimat.both .inner:after {
    right: 0;
  }
  .sustain ul .bz-buttonAnimat.horizontal .inner:hover:before,
  .sustain ul .bz-buttonAnimat.horizontal .inner:hover:after,
  .sustain ul .bz-buttonAnimat.both .inner:hover:before,
  .sustain ul .bz-buttonAnimat.both .inner:hover:after {
    -webkit-transform: scaleY(1);
    transform: scaleY(1);
  }
  .sustain ul .bz-buttonAnimat.horizontal:before,
  .sustain ul .bz-buttonAnimat.both:before {
    top: 0;
  }
  .sustain ul .bz-buttonAnimat.horizontal:after,
  .sustain ul .bz-buttonAnimat.both:after {
    bottom: 0;
  }
  .sustain ul .bz-buttonAnimat.horizontal:hover:before,
  .sustain ul .bz-buttonAnimat.horizontal:hover:after,
  .sustain ul .bz-buttonAnimat.both:hover:before,
  .sustain ul .bz-buttonAnimat.both:hover:after {
    -webkit-transform: scaleX(1);
    transform: scaleX(1);
  }
  .sustain ul .bz-buttonAnimat.horizontal:hover .inner:before,
  .sustain ul .bz-buttonAnimat.horizontal:hover .inner:after,
  .sustain ul .bz-buttonAnimat.both:hover .inner:before,
  .sustain ul .bz-buttonAnimat.both:hover .inner:after {
    -webkit-transform: scaleY(1);
    transform: scaleY(1);
  }
  .sustain ul .bz-buttonAnimat.horizontal.clockwise .inner:before,
  .sustain ul .bz-buttonAnimat.both.clockwise .inner:before {
    -webkit-transform-origin: top center;
    transform-origin: top center;
  }
  .sustain ul .bz-buttonAnimat.horizontal.clockwise .inner:after,
  .sustain ul .bz-buttonAnimat.both.clockwise .inner:after {
    -webkit-transform-origin: bottom center;
    transform-origin: bottom center;
  }
  .sustain ul .bz-buttonAnimat.horizontal.clockwise:before,
  .sustain ul .bz-buttonAnimat.both.clockwise:before {
    -webkit-transform-origin: right center;
    transform-origin: right center;
  }
  .sustain ul .bz-buttonAnimat.horizontal.clockwise:after,
  .sustain ul .bz-buttonAnimat.both.clockwise:after {
    -webkit-transform-origin: left center;
    transform-origin: left center;
  }
  .sustain ul .bz-buttonAnimat.horizontal.clockwise:hover .inner:before,
  .sustain ul .bz-buttonAnimat.both.clockwise:hover .inner:before {
    -webkit-transform-origin: bottom center;
    transform-origin: bottom center;
  }
  .sustain ul .bz-buttonAnimat.horizontal.clockwise:hover .inner:after,
  .sustain ul .bz-buttonAnimat.both.clockwise:hover .inner:after {
    -webkit-transform-origin: top center;
    transform-origin: top center;
  }
  .sustain ul .bz-buttonAnimat.horizontal.clockwise:hover:before,
  .sustain ul .bz-buttonAnimat.both.clockwise:hover:before {
    -webkit-transform-origin: left center;
    transform-origin: left center;
  }
  .request {
    margin-top: 80px;
  }
  .request .contain {
    margin-top: 60px;
  }
  .request .contain .re {
    font-size: 20px;
    font-weight: 700;
  }
  .request .contain .answer {
    margin-top: 20px;
    font-size: 18px;
  }
}
@media screen and (max-width: 1025px) {
  body {
    width: 10rem;
    overflow: hidden;
  }
  .container {
    width: 10rem;
  }
  .banner {
    height: 7.5135rem;
    width: 100%;
    overflow: hidden;
    background: url("../image/a4.jpg");
    background-size: 100% 100%;
    background-size: cover;
    -webkit-background-size: cover;
    -o-background-size: cover;
    background-position: center 0;
  }
  .banner .contain {
    animation: scaleBig 1s linear 1;
    color: white;
    margin-top: 1.3514rem;
    margin-left: 0.5405rem;
    width: 8.6486rem;
  }
  .banner .contain > :nth-child(1) {
    font-size: 0.5405rem;
  }
  .banner .contain > :nth-child(2) {
    margin-top: 0.2703rem;
    font-size: 0.3784rem;
  }
  .banner .contain > :nth-child(3) {
    margin-top: 0.2703rem;
    line-height: 0.6486rem;
    font-size: 0.3243rem;
  }
  .title {
    width: 100%;
    text-align: center;
    font-weight: 700;
    font-size: 0.4324rem;
    height: 0.5405rem;
    line-height: 0.5405rem;
  }
  .sustain {
    margin-top: 1.3514rem;
  }
  .sustain ul {
    margin: 0 auto;
    width: 9.1892rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .sustain ul li {
    margin-top: 0.5405rem;
    width: 4.3784rem;
    padding-bottom: 0.5405rem;
    box-shadow: 0rem 0rem 0.2162rem 0.027rem #ccc;
    position: relative;
  }
  .sustain ul li .stitle {
    font-weight: 700;
    margin-top: 0.2703rem;
    font-size: 0.3784rem;
    margin-left: 0.2703rem;
  }
  .sustain ul li .text {
    padding: 0 0.2703rem;
    margin-top: 0.2703rem;
    font-size: 0.3243rem;
    line-height: 0.5405rem;
  }
  .sustain ul li .button {
    position: absolute;
    cursor: pointer;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
  }
  .sustain ul li li:hover {
    box-shadow: none;
  }
  .sustain ul li .bz-buttonAnimat:before,
  .sustain ul li .bz-buttonAnimat:after,
  .sustain ul li .bz-buttonAnimat .inner:before,
  .sustain ul li .bz-buttonAnimat .inner:after {
    background-color: #c1d8ff;
  }
  .sustain ul li .bz-buttonAnimat:before,
  .sustain ul li .bz-buttonAnimat:after,
  .sustain ul li .bz-buttonAnimat .inner:before,
  .sustain ul li .bz-buttonAnimat .inner:after {
    position: absolute;
    content: "";
    display: block;
    -webkit-transition: -webkit-transform 0.3s;
    transition: -webkit-transform 0.3s;
    transition: transform 0.3s;
    transition: transform 0.3s, -webkit-transform 0.3s;
  }
  .sustain ul li .bz-buttonAnimat.horizontal:before,
  .sustain ul li .bz-buttonAnimat.horizontal:after,
  .sustain ul li .bz-buttonAnimat.both:before,
  .sustain ul li .bz-buttonAnimat.both:after {
    left: 0;
    width: 100%;
    height: 0.0811rem;
    -webkit-transform: scaleX(0);
    transform: scaleX(0);
  }
  .sustain ul li .bz-buttonAnimat.horizontal .inner:before,
  .sustain ul li .bz-buttonAnimat.horizontal .inner:after,
  .sustain ul li .bz-buttonAnimat.both .inner:before,
  .sustain ul li .bz-buttonAnimat.both .inner:after {
    top: 0;
    width: 0.0811rem;
    height: 100%;
    -webkit-transform: scaleY(0);
    transform: scaleY(0);
  }
  .sustain ul li .bz-buttonAnimat.horizontal .inner:before,
  .sustain ul li .bz-buttonAnimat.both .inner:before {
    left: 0;
  }
  .sustain ul li .bz-buttonAnimat.horizontal .inner:after,
  .sustain ul li .bz-buttonAnimat.both .inner:after {
    right: 0;
  }
  .sustain ul li .bz-buttonAnimat.horizontal .inner:hover:before,
  .sustain ul li .bz-buttonAnimat.horizontal .inner:hover:after,
  .sustain ul li .bz-buttonAnimat.both .inner:hover:before,
  .sustain ul li .bz-buttonAnimat.both .inner:hover:after {
    -webkit-transform: scaleY(1);
    transform: scaleY(1);
  }
  .sustain ul li .bz-buttonAnimat.horizontal:before,
  .sustain ul li .bz-buttonAnimat.both:before {
    top: 0;
  }
  .sustain ul li .bz-buttonAnimat.horizontal:after,
  .sustain ul li .bz-buttonAnimat.both:after {
    bottom: 0;
  }
  .sustain ul li .bz-buttonAnimat.horizontal:hover:before,
  .sustain ul li .bz-buttonAnimat.horizontal:hover:after,
  .sustain ul li .bz-buttonAnimat.both:hover:before,
  .sustain ul li .bz-buttonAnimat.both:hover:after {
    -webkit-transform: scaleX(1);
    transform: scaleX(1);
  }
  .sustain ul li .bz-buttonAnimat.horizontal:hover .inner:before,
  .sustain ul li .bz-buttonAnimat.horizontal:hover .inner:after,
  .sustain ul li .bz-buttonAnimat.both:hover .inner:before,
  .sustain ul li .bz-buttonAnimat.both:hover .inner:after {
    -webkit-transform: scaleY(1);
    transform: scaleY(1);
  }
  .sustain ul li .bz-buttonAnimat.horizontal.clockwise .inner:before,
  .sustain ul li .bz-buttonAnimat.both.clockwise .inner:before {
    -webkit-transform-origin: top center;
    transform-origin: top center;
  }
  .sustain ul li .bz-buttonAnimat.horizontal.clockwise .inner:after,
  .sustain ul li .bz-buttonAnimat.both.clockwise .inner:after {
    -webkit-transform-origin: bottom center;
    transform-origin: bottom center;
  }
  .sustain ul li .bz-buttonAnimat.horizontal.clockwise:before,
  .sustain ul li .bz-buttonAnimat.both.clockwise:before {
    -webkit-transform-origin: right center;
    transform-origin: right center;
  }
  .sustain ul li .bz-buttonAnimat.horizontal.clockwise:after,
  .sustain ul li .bz-buttonAnimat.both.clockwise:after {
    -webkit-transform-origin: left center;
    transform-origin: left center;
  }
  .sustain ul li .bz-buttonAnimat.horizontal.clockwise:hover .inner:before,
  .sustain ul li .bz-buttonAnimat.both.clockwise:hover .inner:before {
    -webkit-transform-origin: bottom center;
    transform-origin: bottom center;
  }
  .sustain ul li .bz-buttonAnimat.horizontal.clockwise:hover .inner:after,
  .sustain ul li .bz-buttonAnimat.both.clockwise:hover .inner:after {
    -webkit-transform-origin: top center;
    transform-origin: top center;
  }
  .sustain ul li .bz-buttonAnimat.horizontal.clockwise:hover:before,
  .sustain ul li .bz-buttonAnimat.both.clockwise:hover:before {
    -webkit-transform-origin: left center;
    transform-origin: left center;
  }
  .request {
    width: 9.1892rem;
    margin: 0 auto;
    margin-top: 1.3514rem;
  }
  .request .contain {
    margin-top: 0.5405rem;
  }
  .request .contain .re {
    font-size: 0.3784rem;
    font-weight: 700;
  }
  .request .contain .answer {
    margin-top: 0.1622rem;
    font-size: 0.3243rem;
    line-height: 0.5405rem;
  }
}