/*seo优化专题*/
.d-flex {
  display: flex !important;
}
.flex-column {
  flex-direction: column;
}
.justify-content-center {
  justify-content: center;
}
.align-items-center {
  align-items: center;
}
.text-center {
  text-align: center;
}
.img-fluid {
  max-width: 100%;
}
.seo-btn {
  background: #f2921b;
  padding: 10px 50px;
  line-height: 1.5;
  vertical-align: middle;
  font-size: 28px;
  color: #fff;
  border-radius: 10px;
  display: inline-block;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.seo-btn:hover {
  color: #fff;
  opacity: 0.7;
}
.seo-btn:after {
  content: '';
  background: #fff;
  position: absolute;
  width: 100%;
  height: 100vh;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  margin: auto;
  border-radius: 100%;
  -webkit-animation: Tada 1s both infinite;
  -moz-animation: btn_bubble 1s both infinite;
  -ms-animation: btn_bubble 1s both infinite;
  animation: btn_bubble 1s both infinite;
}
.seo-wrap {
  color: #040000;
}
.seo-wrap .seo-container {
  max-width: 1400px;
  margin: 0 auto;
}
.seo-wrap .title-common {
  text-align: center;
  margin: 30px 0 60px;
  position: relative;
}
.seo-wrap .title-common h2 {
  font-size: 50px;
  color: #040000;
  position: relative;
  font-weight: bold;
}
.seo-wrap .title-common h2 span {
  color: #e60012;
}
.seo-wrap .title-common h2::after {
  position: absolute;
  bottom: -20px;
  left: 50%;
  margin-left: -35px;
  content: '';
  display: inline-block;
  background-color: #e60012;
  width: 70px;
  height: 3px;
}
.seo-wrap .title-common .letter {
  text-transform: uppercase;
  position: absolute;
  top: -32px;
  text-align: center;
  width: 100%;
  font-size: 100px;
  color: #f1f1f1;
  line-height: 1;
}
.seo-wrap .title-common p {
  color: #222222;
  font-size: 26px;
  margin-top: 50px;
}
.seo-wrap .section1 {
  padding: 50px 0;
}
.seo-wrap .section1 .section1-main ul {
  display: flex;
  flex-wrap: wrap;
}
.seo-wrap .section1 .section1-main ul li {
  width: 25%;
}
.seo-wrap .section1 .section1-main ul li .item {
  border-bottom: 1px dashed #c7c7c7;
  border-right: 1px dashed #c7c7c7;
  padding: 22px 0;
}
.seo-wrap .section1 .section1-main ul li .item .number {
  background: url(../images/seo/section1/number-bg.png) no-repeat;
  width: 81px;
  height: 94px;
  font-size: 48px;
  font-family: arial;
  color: #f1f1f1;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 0 20px;
  transition-duration: 0.3s;
}
.seo-wrap .section1 .section1-main ul li .item .body p:first-child {
  color: #8194ae;
  font-size: 18px;
}
.seo-wrap .section1 .section1-main ul li .item .body p:last-child {
  color: #44546a;
  font-size: 30px;
}
.seo-wrap .section1 .section1-main ul li .item:hover .number {
  transform: scale(1.2);
}
.seo-wrap .section1 .section1-main ul li:nth-child(4n) .item {
  border-right: 1px dashed transparent;
}
.seo-wrap .section1 .section1-main ul li:nth-child(n + 5) .item {
  border-bottom: 1px dashed transparent;
}
.seo-wrap .section1 .section1-main .section1-footer {
  margin-top: 30px;
}
.seo-wrap .section1 .section1-main .section1-footer p {
  font-size: 30px;
  color: #f2921b;
  margin-bottom: 28px;
}
.seo-wrap .section2 {
  background: #f1f1f1;
  padding: 50px 0;
}
.seo-wrap .section2 .seo-container {
  max-width: 1046px;
}
.seo-wrap .section2 .section2-main > div {
  width: 50%;
}
.seo-wrap .section2 .section2-main .left {
  padding-top: 28px;
}
.seo-wrap .section2 .section2-main .left .desc {
  margin: 40px 0;
}
.seo-wrap .section2 .section2-main .left .desc h2 {
  font-size: 42px;
  color: #58a632;
  margin-bottom: 10px;
  font-weight: bold;
}
.seo-wrap .section2 .section2-main .left .desc p {
  font-size: 18px;
  color: #8194ae;
}
.seo-wrap .section2 .section2-main .left .item img {
  margin-right: 26px;
}
.seo-wrap .section2 .section2-main .right {
  text-align: right;
}
.seo-wrap .section3 {
  padding: 50px 0;
}
.seo-wrap .section3 .professional-team ul {
  position: relative;
  z-index: -1;
  display: flex;
  margin-bottom: -8px;
}
.seo-wrap .section3 .professional-team ul li {
  text-align: center;
  flex: 1;
}
.seo-wrap .section3 .professional-team ul li .item {
  margin: 0px 15px;
  padding: 12px 0;
  border-radius: 12px;
}
.seo-wrap .section3 .professional-team ul li p {
  font-size: 18px;
  color: #8194ae;
}
.seo-wrap .section3 .professional-team ul li h3 {
  font-size: 24px;
  font-weight: bold;
}
.seo-wrap .section3 .professional-team ul li:nth-child(1) .item {
  border: 3px solid #788c8b;
}
.seo-wrap .section3 .professional-team ul li:nth-child(1) h3 {
  color: #788c8b;
}
.seo-wrap .section3 .professional-team ul li:nth-child(2) .item {
  border: 3px solid #58a632;
}
.seo-wrap .section3 .professional-team ul li:nth-child(2) h3 {
  color: #58a632;
}
.seo-wrap .section3 .professional-team ul li:nth-child(3) .item {
  border: 3px solid #798b8b;
}
.seo-wrap .section3 .professional-team ul li:nth-child(3) h3 {
  color: #798b8b;
}
.seo-wrap .section3 .professional-team ul li:nth-child(4) .item {
  border: 3px solid #f2921b;
}
.seo-wrap .section3 .professional-team ul li:nth-child(4) h3 {
  color: #f2921b;
}
.seo-wrap .section3 .professional-team ul li:nth-child(5) .item {
  border: 3px solid #58a632;
}
.seo-wrap .section3 .professional-team ul li:nth-child(5) h3 {
  color: #58a632;
}
.seo-wrap .section3 .btn-box i.icon {
  display: block;
  height: 21px;
  width: 11px;
  margin: 0 auto;
  background: url(../images/seo/section3/jiantou.png) no-repeat;
}
.seo-wrap .section3 .btn-box a {
  padding: 7px;
  display: inline-block;
  border-radius: 60px;
}
.seo-wrap .section3 .btn-box a span {
  font-size: 24px;
  height: 60px;
  line-height: 60px;
  vertical-align: middle;
  color: #fff;
  border-radius: 60px;
  display: inline-block;
  width: 260px;
}
.seo-wrap .section3 .btn-box a.btn1 {
  margin-top: 8px;
  border: 1px solid #58a832;
}
.seo-wrap .section3 .btn-box a.btn1 span {
  background-color: #58a832;
}
.seo-wrap .section3 .btn-box a.btn2 {
  border: 1px solid #f2921b;
  margin-top: 8px;
}
.seo-wrap .section3 .btn-box a.btn2 span {
  background-color: #f2921b;
}
.seo-wrap .section3 .btn-box a.btn1 span,
.seo-wrap .section3 .btn-box a.btn2 span {
  position: relative;
  overflow: hidden;
}
.seo-wrap .section3 .btn-box a.btn1 span:after,
.seo-wrap .section3 .btn-box a.btn2 span:after {
  content: '';
  background: #fff;
  position: absolute;
  width: 260px;
  height: 260px;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  margin: auto;
  border-radius: 100%;
  -webkit-animation: Tada 1s both infinite;
  -moz-animation: btn_bubble 1s both infinite;
  -ms-animation: btn_bubble 1s both infinite;
  animation: btn_bubble 1s both infinite;
}
.seo-wrap .section4 {
  background: #f1f1f1;
  padding: 50px 0 150px;
}
.seo-wrap .section4 .title-common .letter {
  color: #fff;
}
.seo-wrap .section4 .section4-main {
  position: relative;
  padding-top: 120px;
}
.seo-wrap .section4 .section4-main .item-left {
  position: absolute;
  top: 24px;
  left: 0;
}
.seo-wrap .section4 .section4-main .item-right {
  position: absolute;
  top: 24px;
  right: 0;
}
.seo-wrap .section4 .section4-main .item {
  width: 400px;
  height: 156px;
  margin-bottom: 20px;
  border: 1px solid #58a632;
  display: flex;
  flex-direction: column;
  border-radius: 156px;
  background-color: #fff;
  padding: 0 30px;
}
.seo-wrap .section4 .section4-main .item h3 {
  color: #58a632;
  font-size: 24px;
}
.seo-wrap .section4 .section4-main .item h3 span {
  font-size: 52px;
  margin-right: 8px;
}
.seo-wrap .section4 .section4-main .item p {
  font-size: 18px;
  color: #8194ae;
}
.seo-wrap .section4 .section4-main .item.item1,
.seo-wrap .section4 .section4-main .item.item3 {
  margin-left: 76px;
}
.seo-wrap .section4 .section4-main .item.item4,
.seo-wrap .section4 .section4-main .item.item6 {
  margin-left: -76px;
}
.seo-wrap .section5 {
  padding: 50px 0;
}
.seo-wrap .section5 .section5-main {
  margin-bottom: 30px;
}
.seo-wrap .section5 .section5-main ul li .desc {
  width: 300px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  flex-direction: column;
  padding: 26px;
  border-radius: 4px;
}
.seo-wrap .section5 .section5-main ul li .desc h3 {
  font-size: 24px;
  margin-bottom: 10px;
}
.seo-wrap .section5 .section5-main ul li .desc p {
  color: #8194ae;
  font-size: 18px;
}
.seo-wrap .section5 .section5-main ul li:nth-child(1) .desc {
  background-color: #eef6ea;
}
.seo-wrap .section5 .section5-main ul li:nth-child(1) .desc h3 {
  color: #58a632;
}
.seo-wrap .section5 .section5-main ul li:nth-child(2) {
  position: relative;
  margin-left: -24px;
  z-index: -1;
}
.seo-wrap .section5 .section5-main ul li:nth-child(2) .desc {
  background-color: #fdf4e8;
}
.seo-wrap .section5 .section5-main ul li:nth-child(2) .desc h3 {
  color: #f0911a;
}
.seo-wrap .section5 .section5-main ul li:nth-child(3) {
  margin-left: -24px;
  position: relative;
  z-index: -2;
}
.seo-wrap .section5 .section5-main ul li:nth-child(3) .desc {
  background-color: #eef6ea;
}
.seo-wrap .section5 .section5-main ul li:nth-child(3) .desc h3 {
  color: #58a632;
}
.seo-wrap .section6 {
  background-color: #f1f1f1;
  padding: 50px 0;
}
.seo-wrap .section6 .letter {
  color: #fff;
}
.seo-wrap .section6 .btn-box {
  margin: 0 20px;
}
.seo-wrap .section7 {
  padding: 50px 0;
}
.seo-wrap .section7 .form-box .form-box-main {
  width: 100%;
}
.seo-wrap .section7 .form-box .form-box-main .input-group {
  display: flex;
  justify-content: center;
  align-items: center;
}
.seo-wrap .section7 .form-box .form-box-main .input {
  flex: 1;
  position: relative;
  background-color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 4px;
}
.seo-wrap .section7 .form-box .form-box-main .input input {
  border: 1px solid #c7c7c7;
  position: relative;
  z-index: 0;
  height: 100%;
  width: 100%;
  border-radius: 4px;
  font-size: 18px;
  padding: 16px;
  box-sizing: border-box;
  outline-color: #f2921b;
  -moz-outline-color: #f2921b;
  -ms-outline-color: #f2921b;
  -webkit-outline-color: #f2921b;
}
.seo-wrap .section7 .form-box .form-box-main .input:nth-child(2) {
  margin: 0 16px;
}
.seo-wrap .section7 .form-box .form-box-main .textarea {
  margin-top: 16px;
  display: flex;
  margin-bottom: 30px;
}
.seo-wrap .section7 .form-box .form-box-main .textarea textarea {
  border: 1px solid #c7c7c7;
  outline-color: #f2921b;
  -moz-outline-color: #f2921b;
  -ms-outline-color: #f2921b;
  -webkit-outline-color: #f2921b;
  width: 100%;
  height: 180px;
  box-sizing: border-box;
  border-radius: 4px;
  padding: 16px;
  font-size: 18px;
}
.seo-wrap .section7 .form-box .form-box-main input:-ms-input-placeholder {
  color: #999 !important;
  opacity: 1;
  font-size: 18px !important;
}
.seo-wrap .section7 .form-box .form-box-main input::-webkit-input-placeholder {
  color: #999 !important;
  opacity: 1;
  font-size: 18px !important;
}
.seo-wrap .section7 .form-box .form-box-main textarea::-webkit-input-placeholder {
  color: #999;
  font-size: 18px !important;
}
@media all and (max-width: 1280px) {
  .seo-wrap .section6 .img {
    flex: 1;
  }
}
@keyframes btn_bubble {
  0% {
    transform: scale(0);
    opacity: 1;
    transition: 0s;
  }
  100% {
    transform: scale(1);
    opacity: 0;
    transition: all 0.75s ease-in-out;
  }
}
/*# sourceMappingURL=./style_seo.css.map */