* {
  padding: 0;
  margin: 0;
}

body {
  background-color: #f6f7fb;
}

/* banner开始 */
.top_banner {
  height: 932px;
  width: 100%;
  background-image: url(/zhinengruanjian/images/服务案例banner.png);
}

.top {
  display: flex;
  border-bottom: 1px solid #f6f7fb;
}

.logo_banner {
  width: 195px;
  height: 68px;
  margin-left: 94px;
  margin-top: 21px;
}

.nav,
.nav-item {
  display: inline-flex;
}

.nav-item:first-child {
  margin-left: 850px;
}

.nav-item .nav-link {
  width: 140px;
  height: 116px;
  text-align: center;
  line-height: 116px;
}

.nav-link {
  color: #fff;
}

.size-100 {
  font-size: 100px;
  font-weight: 600;
  text-align: center;
  color: #fff;
  padding-top: 257px;
}

.text-size-48 {
  font-size: 48px;
  color: #fff;
  font-family: 'Courier New', Courier, monospace;
  text-align: center;
  padding-top: 52px;
}

.click {
  border-bottom: 4px solid #fff;
}

.nav-link:hover {
  border-bottom: 4px solid #fff;
}

/* banner结束 */

/* 内容开始 */
.ser-nav ul {
  width: 1580px;
  margin: 90px auto;
  display: flex;
  justify-content: space-evenly;
}

.ser-nav li {
  width: 160px;
  height: 50px;
  border-radius: 26px;
  border: solid 1px #01429a;
  text-align: center;
  line-height: 50px;
  cursor: pointer;
}

.ser-nav li a {
  font-size: 16px;
  letter-spacing: 0px;
  color: #01429a;
}

.ser-box {
  width: 1580px;
  margin: 0 auto;
}

.ser-line {
  display: flex;
  justify-content: space-between;
}

.ser-items {
  cursor: pointer;
}

.ser-text {
  width: 490px;
  height: 360px;
  background-color: #fff;
  border-radius: 0 0 10px 10px;
}

.ser-text h4 {
  font-size: 24px;
  font-weight: bold;
  color: #1d1d1d;
  padding: 30px 0 12px 50px;
}

.ser-text > p {
  height: 220px;
  font-size: 14px;
  color: #5f5f5f;
  padding: 0 50px;
  line-height: 25px;
  margin-bottom: 0;
  letter-spacing: 0.3px;
}

.ser-icon {
  width: 95px;
  height: 20px;
  display: flex;
  justify-content: space-evenly;
  margin-left: 340px;
}

.ser-icon {
  font-size: 14px;
  line-height: 14px;
  color: #5f5f5f;
  fill: #5f5f5f;
}

.ser-icon span {
  margin-top: 3px;
}

.ser-items:hover {
  /* border-radius: 10px; */
  box-shadow: 2px 2px 10px rgba(214, 214, 214, 0.5);
  transform: translateY(-5px);
}

.ser-icon:hover {
  fill: #01429a;
  color: #01429a;
}

.active {
  background-color: #01429a;
}

.ser-nav .active a {
  color: #fff;
}

/* 内容结束 */
#pager {
  margin: 50px auto;
  text-align: center;
  line-height: 26px;
}

#pager li {
  display: inline-block;
  min-width: 40px;
  height: 40px;
  line-height: 40px;
  margin: 5px;
  cursor: pointer;
  color: #999;
  background-color: #fff;
  border: 1px solid #f6f6f6;
}

#pager span {
  color: #999;
  margin-left: 5px;
}

.j-curr {
  color: #fff !important;
  background-color: #16ab95 !important;
}

.ser-page {
  width: 900px;
  margin: auto;
  text-align: center;
  margin-bottom: 90px;
  display: flex;
  justify-content: space-evenly;
  cursor: pointer;
}

.ser-btn {
  width: 100px;
  height: 50px;
  background-color: #f6f7fb;
  border: 1px solid #989898;
  border-radius: 10px;
  font-size: 16px;
  line-height: 50px;
  color: #5f5f5f;
  margin-right: 30px;
}

.ser-btn-num {
  width: 50px;
}

.ser-btn:hover {
  background-color: #01429a;
  color: #fff;
  border: 0;
}

.default {
  background-color: #01429a;
  color: #fff;
  border: 0;
}

/* 提交需求开始 */
.ser-demand {
  width: 100%;
  background-color: #fff;
  overflow: hidden;
}

.demand-text {
  width: 1580px;
  margin: 90px auto;
}

.demand-text h4 {
  font-size: 24px;
  color: #1d1d1d;
}

.demand-text p {
  font-size: 16px;
  color: #5f5f5f;
  margin-bottom: 10px;
}

.demand-btn {
  display: flex;
  justify-content: space-between;
  margin: 45px 0;
}

.demand-btn p {
  margin-bottom: 10px;
  font-size: 16px;
  color: #5f5f5f;
}

.demand-btn input {
  width: 490px;
  height: 50px;
  background-color: #f6f7fb;
  border-radius: 10px;
  border: 0;
}

.demand-text > input {
  width: 1580px;
  height: 260px;
  background-color: #f6f7fb;
  border-radius: 10px;
  border: 0;
  margin-bottom: 45px;
}

.demand-text button {
  width: 1580px;
  height: 70px;
  background-color: #f6f7fb;
  border-radius: 10px;
  color: #5f5f5f;
  border: 0;
  font-size: 24px;
}

.demand-text button:hover {
  background-color: #01429a;
  color: #fff;
}

/* 提交需求结束 */