body {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}
.body {
  margin-top: 100px;
  flex: 1;
}

.header {
  display: flex;
  flex-flow: column nowrap;
  align-items: center;
  width: 100vw;
  position: relative;
}

/* .topbar {
  width: 100vw;
  background-color: black;
  color: #ddd;
  font-family: "Helvetica Neue",Helvetica,Arial,"Microsoft Yahei","Hiragino Sans GB","Heiti SC","WenQuanYi Micro Hei",sans-serif;
  font-weight: 400;
  height: 40px;
  display: flex;
  flex-flow: row nowrap;
  align-items: center;
  justify-content: center;
} */

/* .topbar-container {
  width: 100%;
  max-width: 1280px;
  display: flex;
  flex-flow: row nowrap;
  align-items: center;
  justify-content: space-between;
} */

/* .search {
  position: relative;
} */

/* .search-input {
  border-radius: 3px;
  border: solid 0 black;
  padding: 5px;
  font-size: 14px;
  width: 120px;
} */

/* .search-icon {
  position: absolute;
  color: #666;
  right: 5px;
  top: 5px;
  cursor: pointer;
} */

.navbar {
  width: 100vw;
  background-color: #fff;
  color: #000;
  font-family: "Helvetica Neue",Helvetica,Arial,"Microsoft Yahei","Hiragino Sans GB","Heiti SC","WenQuanYi Micro Hei",sans-serif;
  font-weight: 400;
  height: 100px;
  display: flex;
  flex-flow: row nowrap;
  align-items: center;
  justify-content: center;
  position: fixed;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 5px #999;
}

.logo {
  display: flex;
  flex-flow: row nowrap;
  align-items: center;
  justify-content: center;
  margin-left: 10px;
}

.navbar-container {
  width: 100%;
  max-width: 1280px;
  display: flex;
  flex-flow: row nowrap;
  align-items: center;
  justify-content: space-between;
}

.large-btn {
  font-weight: 100;
  border-radius: 40px;
  padding: 10px 14px;
  margin: 5px;
  font-size: 16px;
  color: #333;
}
.large-btn:hover {
  color: #214daa;
}

/* .small {
  background-color: #1E9FFF;
  margin-right: 10px;
  width: 30px;
  height: 24px;
  padding: 6px 8px 4px 16px;
  border-radius: 5px;
} */

/* .small>i {
  font-size: 22px;
  color: #fff;
} */

/* .small-btns {
  position: absolute;
  left: 0;
  top: 120px;
  width: 100vw;
  display: flex;
  flex-flow: column nowrap;
} */

/* .small-btn {
  color: #fff;
  background-color: #1E9FFF;
  text-align: center;
  padding: 12px 0;
  font-size: 16px;
  border-bottom: 1px solid rgba(255,255,255,.1);
} */
/* .small-btn:hover {
  color: #fff;
} */

.navbar-container2 {
  width: 100%;
  display: flex;
  flex-flow: row nowrap;
  align-items: center;
  justify-content: space-between;
  /* border: solid 1px black; */
}

.navbar-block, .navbar-search {
  width: 50px;
  height: 50px;
  /* border: solid 1px black; */
}

.navbar-title {
  font-size: 26px;
}

.footer {
  display: flex;
  flex-flow: column nowrap;
  align-items: center;
  width: 100vw;
  /* height: 200px; */
  background-color: #333;
  color: #ddd;
  font-weight: 300;
  padding-top: 30px;
}

.footer-container {
  display: flex;
  flex-flow: column nowrap;
  align-items: center;
  width: 100%;
  max-width: 1280px;
}
.footer-container a {
  color: #ddd;
}
.footer-container a:hover {
  color: #fff;
}

.footer-nav {
  display: flex;
  flex-flow: row nowrap;
  justify-content: space-between;
  width: 100%;
}

.footer-contact {
  border-right: solid 1px #aaa;
  padding-left: 10px;
  padding-right: 20px;
  width: 300px;
  flex: 1.6;
}

.footer-contact>div {
  margin: 10px 0;
}

.footer-service {
  display: flex;
  flex-flow: column nowrap;
  width: 140px;
  height: 120px;
  border-right: solid 1px #aaa;
  flex: 1;
}

.footer-service>a {
  padding: 5px 0;
  text-align: center;
}

.footer-us {
  display: flex;
  flex-flow: column nowrap;
  width: 140px;
  text-align: center;
  height: 60px;
  border-right: solid 1px #aaa;
  flex: 1;
}

.footer-us>a {
  padding: 5px 0;
}

.footer-qrcode {
  display: flex;
  flex-flow: column nowrap;
  width: 140px;
  text-align: center;
  align-items: center;
  flex: 1;
}

.footer-qrcode>div {
  margin-top: 10px;
}

.footer-copyright {
  margin: 20px 0;
}

.footer-mps {
  text-align: center;
}

.bottom-btns {
  width: 100%;
  height: 60px;
  display: flex;
  flex-flow: row nowrap;
  justify-content: space-around;
  align-items: center;
  padding-bottom: 20px;
  position: fixed;
  bottom: 0;
  background-color: #fff;
  border-top: solid 1px #ddd;
  font-weight: 300;
}

.bottom-btn {
  display: flex;
  flex-flow: column nowrap;
  justify-content: center;
  align-items: center;
}

.bottom-btn>i, .bottom-btn>img, .bottom-btn>svg {
  font-size: 24px;
  width: 24px;
  height: 24px;
}

.bottom-btn>span {
  font-size: 14px;
}

@media screen and (min-width: 768px) {
  .navbar-container {
    display: flex;
  }
  .navbar-container2 {
    display: none;
  }
  .bottom-btns {
    display: none;
  }
  .navbar {
    height: 100px;
  }
  .body {
    margin-top: 100px;
  }
}

@media screen and (max-width: 767px) {
  .navbar-container {
    display: none;
  }
  .navbar-container2 {
    display: flex;
  }
  .bottom-btns {
    display: flex;
  }
  .footer-service, .footer-us {
    display: none;
  }
  .navbar {
    height: 60px;
  }
  .body {
    margin-top: 60px;
  }
  .footer {
    margin-bottom: 80px;
  }
}


/* 全局 */
.paragraph {
  font-size: 16px;
  line-height: 1.75;
  color: #666;
  font-weight: 400;
}

.small-text {
  font-size: 16px;
  line-height: 1.75;
  color: #666;
  font-weight: 400;
}

.title1 {
  font-size: 36px;
  line-height: 1.75;
  color: #333;
  text-align: center;
  /* font-weight: 400; */
}

.title2 {
  font-size: 32px;
  line-height: 1.75;
  color: #333;
  text-align: center;
}

.title3 {
  font-size: 28px;
  line-height: 1.75;
  color: #333;
  text-align: center;
}

.title4 {
  font-size: 24px;
  line-height: 1.75;
  color: #333;
  text-align: center;
}

.title5 {
  font-size: 20px;
  line-height: 1.75;
  color: #333;
  text-align: center;
}

.title6 {
  font-size: 16px;
  line-height: 1.75;
  color: #333;
  text-align: center;
}

.logo img {
  width: 100%;
}