* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

body {
  color: #333;
  max-width: 750px;
  margin: 0 auto;
  padding-bottom: 4.4rem;
}

ul {
  padding: 0;
  margin: 0;
  list-style-type: none;
}

.index-top {
  height: 5rem;
  padding: 0 1.5rem;
  border-bottom: 1px solid #e7e7e7;
  font-size: 0;
}

.index-top img {
  width: 14rem;
  display: inline-block;
  vertical-align: middle;
}

.index-top img + i {
  display: inline-block;
  height: 100%;
  vertical-align: middle;
}

.index-top button {
  width: 2.17rem;
  height: 1.43rem;
  background-color: transparent;
  border: 0;
  background-image: url(../img/menu.png);
  background-repeat: no-repeat;
  background-size: cover;
  float: right;
  margin-top: 1.8rem;
}

.nav-menu {
  padding: 0 0.4166666rem;
  margin: auto;
  display: none;
}

.nav-menu li {
  background: url(../img/menuRight.png) 90% center no-repeat;
  border-bottom: 1px solid #e7e7e7;
  padding: 1.4rem 1.5rem;
  font-size: 1.3rem;
  background-size: 0.6rem;
}

.nav-menu a {
  display: block;
  color: #666;
  text-decoration: none;
}

.header_h1 {
  position: fixed;
  line-height: 5rem;
  width: 100%;
  background: url(../img/hrederBj.png) repeat;
  text-align: center;
  left: 0;
  top: 0;
  z-index: 2;
}

.header_h1 h1 {
  font-size: 2rem;
}

.banne_img img {
  display: block;
  max-width: 100%;
}

.presentation {
  background-color: #f5f5f5;
  padding: 2.5rem 1.3rem 0.1rem 1.3rem;
}

.presentation_item_title {
  position: relative;
  line-height: 3.6rem;
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  background: url(../img/1_c.jpg) repeat center;
  border: 1px solid #99c375;
  margin-bottom: 2rem;
  border-radius: 3px;
  box-shadow: 0 0 9px 0 rgba(182, 182, 182, 0.5);
}

.presentation_item_title::before {
  content: "";
  height: 0.95rem;
  width: 1.4rem;
  background: url(../img/1_l.png) no-repeat center / 0.95rem;
  position: absolute;
  left: 4.5rem;
  bottom: -0.8rem;
  z-index: 1;
}

.presentation_item_img {
  width: 8rem;
}

.presentation_item_img,
.presentation_item_txt {
  display: table-cell;
  vertical-align: top;
}

.presentation_item_img .user_img {
  width: 10rem;
  display: block;
  margin-bottom: 0.5rem;
}

.img_er {
  border: 1px solid #ccc;
  text-align: center;
  padding-bottom: 1rem;
  color: #4395f1;
}

.presentation_item {
  width: 100%;
  display: table;
  margin-bottom: 4rem;
}

.presentation_item_txt {
  padding-left: 1.5rem;
}

.presentation_item_dt {
  font-size: 1.5rem;
  padding-left: 2rem;
  background: url(../img/name.png) no-repeat left center / 1.35rem;
  margin-bottom: 1.5rem;
}

.presentation_item_figure dd {
  margin-bottom: 0.5rem;
  font-size: 1.3rem;
}

.img_er img {
  width: 10rem;
}

.img_scan {
  display: inline-block;
  width: 1.2rem;
  height: 1.2rem;
  vertical-align: -0.2rem;
  background: url(../img/er.png) no-repeat center / 1.2rem;
  margin-right: 1.25rem;
}

h2.title {
  text-align: center;
  font-size: 1.5rem;
  padding-top: 2.5rem;
}

.solve {
  padding: 0 1.5rem;
}

.solve {
  margin-bottom: 3rem;
}
.solve_h3 {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 2rem;
}

.solve_item {
  padding-top: 2.5rem;
}

.solve_item li {
  line-height: 5rem;
  padding-left: 2.5rem;
  font-size: 1.3rem;
  color: #3c91f1;
  margin-bottom: 1rem;
  background: url(../img/2_c.jpg) repeat;
  position: relative;
  border: 1px solid #e6e6e6;
  border-radius: 4px;
  margin-left: 1rem;
}

.solve_item li::after {
  content: "";
  position: absolute;
  width: 1.1rem;
  height: 1.4rem;
  background: url(../img/2_l.png) no-repeat center / 1.1rem;
  left: -1.1rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
}

.solve_item li span {
  background: url(../img/linkimg.png) no-repeat left center / 1.35rem;
  padding: 5px 0;
  position: relative;
  padding-left: 2rem;
}

.solve_item li span::after {
  content: "";
  position: absolute;
  width: 90%;
  left: 2.1rem;
  bottom: -2px;
  border-bottom: 1px solid #3c91f1;
}

.solve_item.tow li {
  margin-left: 0;
  margin-right: 1rem;
}

.solve_item.tow li {
  background: url(../img/3_c.png) repeat center;
  border-color: #99c375;
}

.solve_item.tow li::after {
  background: none;
}

.solve_item.tow li::before {
  content: "";
  position: absolute;
  width: 1.1rem;
  height: 1.4rem;
  background: url(../img/3_r.png) no-repeat center / 1.1rem;
  right: -1.1rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
}

.report {
  background: url(../img/bj_1.jpg) no-repeat center;
  padding: 3rem 0;
}

.report-content {
  padding: 0 1.5rem;
  margin: 0 auto;
}

.report-header {
  text-align: center;
  font-size: 1.5rem;
  line-height: 2;
  padding: 2rem;
  background: #fff;
  background: rgba(255, 255, 255, 0.5);
  margin-bottom: 2.5rem;
}

.report-header span {
  color: #ef3333;
}

.report-input {
  display: block;
  width: 100%;
  text-align: center;
  padding: 1rem;
  border: 0;
  border-radius: 3px;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.report-button {
  width: 100%;
  padding: 1rem;
  background: #ef3333;
  border: 0;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

.include {
  margin-bottom: 3.5rem;
  position: relative;
  padding: 0 1.5rem;
}

h2.title.include-title {
  margin-bottom: 2.5rem;
}

.include::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  transform: rotate(45deg);
  left: 50%;
  top: -8px;
  margin-left: -10px;
  background: #fff;
}

.include img {
  max-width: 100%;
}

.whos_yd {
  background: url(../img/bj_2.jpg) no-repeat center;
  padding: 3.5rem 1.5rem;
}

.whos_c {
  padding: 1.5rem;
  background-color: #fff;
}

h2.title.whos_title {
  padding-top: 0;
  margin-bottom: 1.5rem;
}

.whos_c p {
  line-height: 1.7;
  font-size: 1.3rem;
}

.communicate {
  position: fixed;
  width: 100%;
  padding: 1rem 0.5rem;
  text-align: center;
  background-color: #9ee556;
  border: 1px solid #9ec67c;
  cursor: pointer;
  color: #fff;
  font-size: 2rem;
  z-index: 2;
  bottom: 0;
  left: 0;
}

.communicate span {
  background: url(../img/phone.png) no-repeat left center / 2rem;
  padding-left: 3rem;
}

.communicate a {
  display: block;
  color: #fff;
  text-decoration: none;
}

.pop_up {
  position: fixed;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  background-color: #000;
  background-color: rgba(0, 0, 0, 0.5);
  left: 0;
  top: 0;
  z-index: 2;
  display: none;
}

.pop_content {
  position: absolute;
  width: 80%;
  background-color: #fff;
  left: 50%;
  top: 50%;
  padding: 1.5rem;
  border-radius: 4px;
  transform: translate(-50%, -50%);
}

.close {
  position: absolute;
  border: 5px solid transparent;
  right: 1rem;
  top: 0.5rem;
  cursor: pointer;
}

.pop_item {
  display: none;
}

.pop_item h3 {
  color: #3c91f1;
  font-weight: 500;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.pop_item p {
  line-height: 1.7;
  font-size: 1.3rem;
}

.social-right {
  position: relative;
  padding: 0 1.5rem;
  padding-top: 3.5rem;
}

.title.social-title {
  padding-top: 0;
  font-size: 1.6rem;
  font-weight: 700;
  text-align: left;
  padding-left: 2.5rem;
  background: url(../img/er.png) no-repeat left center;
  background-size: 1.7rem;
  margin-bottom: 1.75rem;
}

.social-list {
  margin-bottom: 3rem;
}

.social-list li {
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
}

.social-list li span {
  display: inline-block;
  width: 1.5rem;
  line-height: 1.5rem;
  text-align: center;
  font-size: 1rem;
  color: #fff;
  border-radius: 50%;
  background-color: #a5e763;
  margin-right: 1rem;
}

.relation-img {
  width: 19.2rem;
  text-align: center;
  height: 27.5rem;
  padding-top: 4.5rem;
  padding-left: 0.4rem;
  background: url(../img/s_e.png) no-repeat top center;
  margin: 0 auto;
  display: flex;
  background-size: cover;
  align-items: center;
  justify-content: center;
}

.relation-img img {
  max-width: 14.5rem;
}

.social-warning {
  padding: 1rem;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
  font-size: 1.5rem;
  margin-bottom: 2rem;
}

.service-wechat {
  border: 1px solid #ddd;
  border-radius: 3px;
  padding: 1rem 1.5rem;
  text-align: center;
}

.service-wechat span {
  padding: 0.5rem 0;
  padding-left: 2.5rem;
  background: url(../img/w.png) no-repeat left center;
  background-size: 1.5rem;
  font-size: 1.5rem;
}

.social-warning span {
  margin-bottom: 1rem;
  background: url(../img/j.png) no-repeat left center;
  background-size: 1rem;
  display: block;
  padding-left: 1.5rem;
}

.social-c::after {
  content: "";
  position: absolute;
  width: 2rem;
  height: 2rem;
  transform: rotate(45deg);
  left: 50%;
  margin-left: -1rem;
  top: -0.9rem;
  background: #fff;
}

.social-c {
  border: 1px solid #eee;
  padding: 1.5rem;
  position: relative;
}