body,
p,
dl,
dd,
ul,
ol,
li,
div,
h1,
h2,
h3,
h4,
h5,
h6,
form,
input,
table,
tr,
td {
  margin: 0;
  padding: 0;
}

body,
html {
  overflow-x: hidden;
}

body {
  font-family: "微软雅黑", Arial;
  background-color: #f7f7f7;
}

ul,
ol {
  list-style: none;
}

img {
  border: 0;
}

a {
  text-decoration: none;
}

/* header */
header {
  width: 100%;
  position: relative;
}

.nav {
  width: 100%;
  height: 156px;
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 3;
}

.nav .a {
  width: 220px;
  height: auto;
}

.nav_title {
  display: flex;
  justify-content: center;
  align-items: center;
}

.nav_title li {
  margin-left: 35px;
}

.nav_title li a {
  color: white;
  /* border-bottom:2px solid red; */
  display: inline-block;
  padding-bottom: 5px;
}

.nav_title li:nth-child(5) a {
  border-bottom: 2px solid red !important;
}

.nav2 {
  width: 100%;
  height: 100px;
  position: fixed;
  top: 0;
  left: 0;
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 2;
background-color: #D24351;
  opacity: 0;
}

.nav2 .aa {
  width: 220px;
  height: auto;
}

.nav2_title {
  display: flex;
  justify-content: center;
  align-items: center;
}

.nav2_title li {
  margin-left: 35px;
}

.nav2_title li a {
  color: white;
  /* border-bottom:2px solid red; */
  display: inline-block;
  padding-bottom: 5px;
}

.nav2_title li:nth-child(5) a {
  border-bottom: 2px solid red !important;
}

.hide {
  position: relative;
  display: none;
}

.hide_smile {
  position: absolute;
  top: 30px;
  right: 15px;
  /* background-color: #8995a2; */
  display: none;
}

.nav3_title {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: stretch;
  width: 100px;
  height: 125px;
}

.nav3_title li {
  margin-left: 35px;
}

.nav3_title li a {
  color: white;
  /* border-bottom:2px solid red; */
  display: inline-block;
  padding-bottom: 5px;
}

.nav3_title li:nth-child(5) a {
  border-bottom: 2px solid red !important;
}

.yes2 {
  position: absolute;
  top: 0;
  right: 0;
  display: none;
}

.yes4 {
  position: absolute;
  top: 0;
  right: 0;
  display: none;
}

.hs2 {
  /* background-color:rgba(3, 3, 3, 0.2); */
  z-index: 3;
}

/* footer */
footer {
  width: 100%;
  height: 200px;
/*  background-color: #1f2227; */
  border-top: 1px solid #44474b;
  border-bottom: 1px solid #44474b;
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  bottom: -100px;
}

.footer_box {
  width: 71.5%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.box_left li img {
  width: 150px;
}

.box_left li:nth-child(2) {
  font-size: 14px;
  color: #9e9fa0;
  margin-top: 10px;
}

.box_footer {
  display: flex;
  justify-content: center;
  align-items: center;
}

.box_middle {
  margin-right: 100px;
}

.box_middle li {
  line-height: 35px;
}

.box_middle li a {
  font-size: 14px;
  color: #8995a2;
}

.box_right li {
  width: 140px;
  line-height: 35px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.box_right li img {
  width: 15px;
  height: 15px;
}

.box_right li span {
  font-size: 14px;
  color: #8995a2;
}

.box_right li:nth-child(1) span {
  display: inline-block;
  margin-right: 40px;
}

.box_right li:nth-child(2) span {
  display: inline-block;
  margin-right: 43px;
}

.box_right li:nth-child(3) span {
  display: inline-block;
  margin-right: 60px;
}

.box_right li:nth-child(4) span {
  display: inline-block;
  margin-right: 50px;
}

@media all and (max-width: 600px) {
  header{
    width: 100%;
    position: relative;
    height: 180px;
    background: url(../advertiser/2.png);
    background-size: 100% 100%;
  }
  .nav_title {
    display: none;
  }

  footer {
    height: 300px;
    position: inherit;
    bottom: 0;
  }

  .footer_box {
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
}

@media all and (max-width: 530px) {
  .leads p {
    font-size: 26px;
  }

  .offer_title span {
    font-size: 26px;
  }

  .leads {
    height: 100px;
  }

  .red {
    width: 80%;
  }

  .house {
    width: 90%;
  }

  .box_footer {
    display: none;
  }

  footer {
    height: 100px;
  }

  .contact {
    height: 250px;
  }

  .swiper2 {
    display: none;
  }

  .swiper3 {
    display: block;
  }

  .event {
    width: 100%;
    margin-top: 0;
  }

  .nav {
    height: 70px;
  }

  .nav2 {
    height: 70px;
  }

  .nav .a {
    width: 150px;
    height: auto;
  }

  .nav2 .aa {
    width: 245px;
    height: 40px;
  }

  .text {
    width: 95%;
    margin: 0 auto;
  }

  .hide {
    display: block;
  }

  .house {
    height: auto;
    margin: 10px auto;
  }

  .house li:nth-child(2) {
    font-size: 18px;
    color: #de0e19;
    line-height: 40px;
  }

  .house li:nth-child(3) {
    font-size: 14px;
    color: #292929;
    line-height: 30px;
  }

  .house li:nth-child(4) {
    font-size: 14px;
    color: #292929;
    line-height: 30px;
  }

  .house li:nth-child(5) {
    font-size: 14px;
    color: #292929;
    line-height: 30px;
  }

  .con_cen li:nth-child(2) {
    font-size: 14px;
    color: #aeafb3;
    margin-top: 10px;
  }

  .nav2 {
    display: none !important;
  }

  .red {
    margin-bottom: 20px;
  }

  .red li:nth-child(3) {
    font-size: 15px;
  }

  .red li:nth-child(4) {
    font-size: 15px;
  }

  .red li:nth-child(5) {
    font-size: 15px;
  }

  .text li {
    font-size: 15px;
  }

  .event_banner {
    margin: 20px auto;
  }
}

@media all and (max-width: 360px) {
  .house {
    width: 94%;
  }
}