.w1200 {
  width: 1200px;
  margin: 0 auto;
}
/* header */
.header {
  position: sticky;
  top: 0;
  background-color: #fff;
  z-index: 999999999;
}

.header1 {
  width: 1200px;
  height: 80px;
  margin: 0 auto;
}

.header .logo {
  width: 200px;
}

.header .menu li {
  margin-left: 20px;
}

.header .menu li a {
  color: #333;
}

/* header end */

/* banner */
.banner {
  height: 800px;
  background: url(../img/banner.jpg);
  background-size: cover;
  color: #fff;
}
.banner .banner-font1 {
  font-size: 100px;
}
.banner .banner-font2 {
  margin-top: 16px;
  font-size: 60px;
}
.banner .banner-font3 {
  margin-top: 32px;
  font-size: 32px;
}
/* banner end */

/* 业务介绍 */
/* 业务介绍end */

/* 优势 */
.good {
  background: rgba(248, 248, 248, 1);
  padding-bottom: 60px;
}

.good .good-content {
  width: 1200px;
  margin: 40px auto 0;
}
.good .good-list {
  color: rgb(102, 102, 102);
  margin-right: 50px;
}
.good .good-img {
  width: 120px;
}
.good .good-title {
  font-size: 20px;
  text-align: center;
  margin-top: 34px;
  margin-bottom: 26px;
}
.good .good-list:last-of-type {
  margin-right: 0;
}
/* 优势end */

/* 接待 */
.jiedai {
  width: 100%;
  height: 307px;
  background: url(../img/u34.jpg) center center;
}
/* 接待 end */

/* 合作案例 */
.hezuo-menu li {
  color: rgba(79, 156, 92, 1);
  width: 113px;
  height: 43px;
  border: 1px solid rgba(79, 156, 92, 1);
  text-align: center;
  line-height: 43px;
  margin-top: 30px;
  margin-right: 30px;
}
/* 合作案例 end */

.c-title1 {
  font-size: 32px;
  padding-top: 50px;
}
.c-title2 {
  margin: 10px 0;
  font-size: 14px;
}
.c-title3 {
}

/* 公用的class */
.c-flex {
  display: flex;
}
.c-flex-col {
  flex-direction: column;
}
.c-justify-center {
  justify-content: center;
}
.c-justify-between {
  justify-content: space-between;
}
.c-items-center {
  align-items: center;
}