.head_t {
  padding: 0;
  /* border-bottom: 1px solid #9e9e9e; */
}

.head_t .w {
  width: 1200px;
  margin: 0px auto;
}

.logo {
  width: 180px;
  float: left;
}

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

.head_t .links {
  padding-top: 28px;
}

.fr {
  float: right;
}

.fl {
  float: left;
}

.clear {
  clear: both;
}

.search_box {
  float: left;
  width: 237px;
  height: 24px;
}

.search_box input {
  width: 213px;
  height: 24px;
  padding-left: 5px;
  border: 0;
  background: url(https://investinchina.chinaservicesinfo.com/static/2019investinchina/i/s_bg.png)
    no-repeat left top;
}

.search_btn {
  float: right;
  border: 1px solid #e3e3e3;
  border-left: 0;
  background-color: #fcfcfc;
}

.search_btn a {
  display: block;
  padding: 4px 4px 4px 0;
  width: 14px;
  height: 14px;
  background: url(https://investinchina.chinaservicesinfo.com/static/2019investinchina/i/search.png)
    no-repeat center;
}

.bottom {
  background: url(https://investinchina.chinaservicesinfo.com/static/2019investinchina/i/bottom_bg.png)
    center;
  height: 110px;
  padding: 30px;
}

.w {
  width: 1200px;
  margin: 0px auto;
}

.bot_l {
  width: 300px;
  float: left;
}

.banner {
  width: 100%;
  background: url(../i/banner.jpg) top center;
}

.f_links {
  display: inline;
  float: left;
  width: 290px;
  height: 26px;
  background: #231815
    url(https://investinchina.chinaservicesinfo.com/static/2019investinchina/i/arr_ico1.png)
    no-repeat 275px center;
  border: 1px solid #7b7b7b;
  cursor: pointer;
  position: relative;
  margin-top: 10px;
  margin-bottom: 10px;
}

.f_links .s_selected {
  display: block;
  padding: 0px 17px;
  height: 26px;
  line-height: 26px;
  color: #9f9fa0;
  font-size: 15px;
}

.f_links .s_options {
  position: absolute;
  width: 292px;
  bottom: -71px;
  left: -1px;
  background: #231815;
  display: none;
}

.f_links .s_options a {
  display: block;
  color: #9f9fa0;
  font-size: 14px;
  line-height: 20px;
  padding: 8px 17px 7px;
}

.f_links .s_options a:hover {
  background: #333;
  text-decoration: none;
}

.bot_l p {
  font-size: 9px;
  line-height: 20px;
  color: #fff;
}

.bot_l p a {
  color: #fff;
}

@media only screen and (max-width: 800px) {
  .head_t {
    width: 100%;
    border-bottom: 0;
  }

  .head_t .w {
    display: flex;
    width: 100%;
  }

  .logo {
    display: block;
    margin: 0 auto;
    width: auto;
  }

  .logo img {
    width: 200px;
    height: 91px;
  }

  .s_btn {
    position: absolute;
    top: 30px;
    right: 20px;
    width: 20px;
    height: 20px;
  }

  .s_btn a {
    display: block;
    width: 100%;
    height: 100%;
    background: url(../i/search.png) no-repeat center;
    background-size: 100% 100%;
  }

  .search {
    display: none;
    background: #fff;
    position: absolute;
    top: 91px;
    left: 0;
    width: 100%;
  }

  .search .back {
    display: inline-block;
    width: 30px;
    height: 30px;
    margin-right: 20px;
    background: url(../i/back.png) no-repeat center;
    background-size: 100% 100%;
  }

  #top_search_form {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 10px;
    border-top: 1px #efefef solid;
  }

  .search_box {
    float: none;
    position: relative;
    flex: 1 1 0%;
    height: 40px;
    border: 1px #999 solid;
    border-radius: 20px;
    padding: 0 20px;
  }

  .search_box input {
    width: 100%;
    height: 100%;
    padding: 0;
    background: none;
    font-size: 16px;
  }

  .search_btn {
    position: absolute;
    top: 9px;
    right: 10px;
    float: none;
    border: none;
  }

  .search_btn a {
    display: block;
    padding: 0;
    width: 20px;
    height: 20px;
    background: url(../i/search.png) no-repeat center;
    background-size: 100% 100%;
  }

  .bottom {
    position: relative;
    background: url(https://investinchina.chinaservicesinfo.com/static/2019investinchina/i/bottom_bg.png)
      no-repeat center;
    width: auto;
    height: 110px;
  }

  .bottom .w {
    width: 100%;
  }

  .f_links {
    width: 90%;
    height: 26px;
    background: #231815
      url(https://investinchina.chinaservicesinfo.com/static/2019investinchina/i/arr_ico1.png)
      no-repeat 97% center;
    border: 1px solid #7b7b7b;
    cursor: pointer;
    position: relative;
    margin: 0 auto;
    margin-bottom: 10px;
  }

  .f_links .s_selected {
    display: block;
    padding: 0px 17px;
    height: 26px;
    line-height: 26px;
    color: #9f9fa0;
    font-size: 15px;
  }

  .f_links .s_options {
    position: absolute;
    width: 101%;
    bottom: -71px;
    left: -1px;
    background: #231815;
    display: none;
    z-index: 1;
  }

  .f_links .s_options a {
    display: block;
    color: #9f9fa0;
    font-size: 14px;
    line-height: 20px;
    padding: 8px 17px 7px;
  }

  .f_links .s_options a:hover {
    background: #333;
    text-decoration: none;
  }

  .bot_l {
    display: flex;
    flex-direction: column;
    float: none;
    width: 100%;
  }

  .bot_l p {
    font-size: 12px;
    line-height: 1;
    color: #fff;
    text-align: center;
    margin: 5px 0;
  }

  .bot_l p a {
    color: #fff;
  }
}