body {
  font-family: PingFangSC-Medium, PingFang SC;
  margin: 0;
  padding: 0;
}

header {
  width: 100%;
  height: 72px;
  background-color: #ffffff;
  z-index: 1;
}
header .header-inner {
  width: 1000px;
  height: 72px;
  margin: 0 auto 0;
  display: flex;
  justify-content: space-between;
}
header .header-inner .header-inner-logo {
  display: flex;
}
header .header-inner .header-inner-logo .header-inner-logo-center {
  /* 当前元素relative，写一个after，是一个实心圆点 */
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #3377ff;
  margin: 32px 10px 0;
}
header .left {
  display: flex;
  padding-top: 22px;
  text-decoration: none;
}
header .logo {
  display: block;
  width: 34px;
  height: 28px;
}
header .logo img {
  width: 100%;
  height: 100%;
}
header .name {
  font-size: 20px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: rgba(0, 0, 0, 1);
  line-height: 28px;
  margin: 0 0 0 6px;
}
header .right {
}
header .right ul {
  margin: 0;
  padding: 0;
  display: flex;
}
header .right ul li {
  list-style-type: none;
  margin-right: 35px;
  line-height: 72px;
}
header .right ul li a {
  height: 20px;
  font-size: 14px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: rgba(51, 51, 51, 1);
  line-height: 20px;
  text-decoration: none;
}
header .right ul li a:hover {
  opacity: 0.8;
}

header .right ul li button {
  width: 79px;
  height: 35px;
  background: #3377ff;
  border-radius: 17px;
  font-size: 14px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: #ffffff;
  border: none;
  outline: none;
  cursor: pointer;
  transition: all 0.3s;
}

header .right ul li button:hover {
  opacity: 0.8;
}

.mobile-menu {
  display: none;
}
.menu {
  display: block;
}

.container {
  display: flex;
  padding-bottom: 70px;
}
.container.banner {
  background: linear-gradient(135deg, #4565ff 0%, #7359f1 100%);
  background-color: #f8f8fe;
  height: 432px;
  padding-bottom: 0px;
}
.container-inner {
  width: 1000px;
  margin: 0 auto;
}
.banner .banner-link {
  display: flex;
  margin: 0 auto;
}
.banner .container-inner {
  display: flex;
}
.banner .left {
  flex: 1;
  padding-top: 149px;
}
.banner .left .banner-logo {
  display: flex;
}
.banner .left .banner-logo .logo-row {
  display: flex;
  padding-right: 8px;
  margin-left: 14px;
  position: relative;
}
.banner .left .banner-logo .logo-row:first-child {
  border-right: 1px solid #d8d8d8;
}
.banner .left .banner-logo .logo-icon {
  width: 34px;
  height: 34px;
  margin-right: 10px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}
.banner .left .banner-logo .logo-icon.icon-lark {
  background-image: url(./img/logo_lark.png);
}
.banner .left .banner-logo .logo-icon.icon-splan {
  background-image: url(./img/logo_splan.png);
}
.banner .left .banner-logo .logo-text {
  line-height: 34px;
  position: relative;
}
.banner .left .slogan {
  font-size: 28px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: #ffffff;
  line-height: 46px;
}
.banner .left .name {
  width: 300px;
  margin-top: 17px;
  padding-right: 200px;
  font-size: 20px;
  font-family: PingFangSC-Light, PingFang SC;
  font-weight: 300;
  color: #ffffff;
}

.banner .left .desc {
  margin-top: 34px;
}

.banner .left .desc button {
  width: 120px;
  height: 35px;
  background: #fcc62e;
  border: none;
  border-radius: 17px;
  font-size: 14px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: #744915;
  outline: none;
  cursor: pointer;
  transition: all 0.3s;
}

.banner .left .desc button:hover {
  opacity: 0.8;
}
.banner .right {
  flex: 1;
  padding-top: 87px;
  text-align: right;
}
.banner .right img {
  width: 396px;
  height: 345px;
}
.container .title {
  flex: 1;
  padding-top: 40px;
  padding-bottom: 74px;
  height: 40px;
  font-size: 24px;
  font-weight: 500;
  color: rgba(51, 51, 51, 1);
  line-height: 40px;
  text-align: center;
  position: relative;
}
.container .title:after {
  position: absolute;
  background-color: #3377ff;
  border-radius: 2px;
  height: 4px;
  width: 62px;
  content: " ";
  display: block;
  left: 50%;
  transform: translateX(-50%);
}
.why .list {
  display: flex;
  flex-wrap: wrap;
}
.why .list .list-item {
  width: 50%;
}
.why .list .list-item img {
  width: 250px;
  height: 214px;
  margin: 0 auto;
  display: block;
}
.why .list .list-item .desc {
  /* height:25px; */
  font-size: 16px;
  font-weight: 400;
  margin-top: 28px;
  color: rgba(51, 51, 51, 1);
  line-height: 25px;
  text-align: center;
  box-sizing: border-box;
  width: 70%;
  margin: 0 auto 50px;
}
.grey {
  background-color: #f8f8fd;
}
.product .title {
  padding-bottom: 0px;
}
.product-description {
  padding-top: 100px;
}
.product-description .container-inner {
  display: flex;
}
.product-description .left {
  flex: 1;
}
.product-description .right {
  flex: 1;
}
.product-description img {
  width: 389px;
  height: 302px;
}
.product-description .name {
  height: 24px;
  font-size: 20px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: rgba(51, 51, 51, 1);
  line-height: 23px;
  margin-top: 110px;
}
.product-description .desc {
  height: 48px;
  font-size: 16px;
  font-family: PingFangSC-Light, PingFang SC;
  font-weight: 300;
  color: rgba(51, 51, 51, 0.6);
  line-height: 24px;
  margin-top: 10px;
}

.guidance .video-box {
}
.guidance .video-box video {
  width: 670px;
  height: 418px;
  margin: 0 auto;
  display: block;
}

.guidance .help {
  width: 144px;
  height: 40px;
  background: rgba(51, 119, 255, 1);
  border-radius: 23px;
  line-height: 40px;
  display: block;
  margin: 0 auto;
  text-align: center;
  color: #ffffff;
  text-decoration: none;
  margin-top: 40px;
}

.price {
}
.price .price-content {
  width: 838px;
  /* background-color: red; */
  margin: 0 auto 44px;
  display: flex;
  justify-content: space-between;
}
.price .price-content .free-pay-wrap {
  position: relative;
  width: 403px;
}
.price .price-content .free-pay-wrap img {
  width: 100%;
}
.price .price-content .free-pay-wrap .btn-wrap {
  position: absolute;
  left: 0;
  bottom: 37px;
  width: 100%;
  height: 40px;
  text-align: center;
}
.price .price-content .btn-wrap .btn {
  display: inline-block;
  width: 114px !important;
  height: 40px !important;
  background: #3377ff;
  border-radius: 20px;
  width: 56px;
  height: 20px;
  font-size: 14px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: #ffffff;
  cursor: pointer;
  line-height: 40px;
  transition: all 0.3s;
}
.price .price-content .btn-wrap .btn:hover {
  opacity: 0.8;
}
.price .price-title {
  width: 100px;
  background-color: #3377ff;
  border-top-left-radius: 8px;
  border-bottom-left-radius: 8px;
  text-align: center;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.price .price-title span {
}
.price .price-body {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.price .price-body-title {
  background: rgba(242, 242, 248, 1);
  border-top-right-radius: 8px;
  text-align: center;
  border: 1px solid rgba(193, 193, 193, 1);
  font-size: 16px;
  line-height: 20px;
  padding: 20px 20px;
}
.price .price-body-title span:last-child {
  color: rgba(51, 51, 51, 0.7);
  font-size: 14px;
}
.price .price-body-list {
  background-color: #ffffff;
  border-bottom-right-radius: 8px;
  border: 1px solid rgba(193, 193, 193, 1);
  border-top-width: 0px;
  box-sizing: border-box;
  padding: 30px 30px 30px 60px;
}
.price .price-body-list ul {
  margin: 0;
  padding: 0;
}
.price .price-body-list li {
  list-style-type: none;
  margin: 0;
  padding: 0;
  position: relative;
  margin-bottom: 12px;

  font-size: 16px;
  font-family: SourceHanSansSC-Normal, SourceHanSansSC;
  font-weight: 400;
  color: rgba(51, 51, 51, 0.7);
  line-height: 24px;
}

.price .price-body-list li:after {
  content: " ";
  position: absolute;
  top: 8px;
  left: -20px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #3377ff;
}
footer {
  color: #ffffff;
  background-color: #2c3371;
  height: 85px;
  line-height: 85px;
  text-align: center;
}
footer a {
  color: #ffffff;
  text-decoration: none;
  width: 48px;
  font-size: 12px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: rgba(216, 216, 216, 1);
  margin-right: 28px;
}
.reverse .container-inner {
  flex-direction: row-reverse;
}

@media screen and (max-width: 1024px) {
  body {
    /* background-color: red; */
  }
  header .header-inner {
    width: 768px;
  }
  .container-inner {
    width: 768px;
  }
  .price .price-content {
    width: 90%;
  }
  .price .price-content .free-pay-wrap {
    width: 48%;
  }
  .price .price-content .free-pay-wrap img {
    width: 100%;
  }
}
@media screen and (max-width: 800px) {
  body {
    /* background-color: green; */
  }
  header .header-inner {
    width: 100%;
    padding-left: 20px;
    padding-right: 20px;
    box-sizing: border-box;
  }
  .mobile-menu {
    display: block;
    position: absolute;
    top: 0px;
    right: 0px;
    width: 72px;
    height: 72px;
    background-image: url(./img/icon_menu@2x.png);
    background-position: center;
    background-repeat: no-repeat;
    background-size: 24px;
  }
  .menu {
    display: none;
    position: fixed;
    width: 100vw;
    height: 100vh;
    left: 0px;
    top: 0px;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2;
  }
  .right.menu ul {
    position: fixed;
    top: 0px;
    right: 0px;
    width: 50vw;
    height: 100vh;
    background-color: #ffffff;
    flex-direction: column;
    padding-top: 60px;
  }
  .right.menu ul li {
    padding-left: 34px;
    line-height: 60px;
    background-image: url(./img/icon_down@2x.png);
    background-size: 12px 12px;
    background-repeat: no-repeat;
    background-position: right center;
    margin-right: 22px;
  }
  .right.menu ul li:last-child {
    background-image: none;
  }
  .right.menu ul li a {
    line-height: 60px;
    display: inline-block;
    height: 60px;
    width: 100%;
  }
  .container-inner {
    width: 100%;
  }
  .container.banner {
    height: auto;
  }
  .banner .container-inner {
    flex-direction: column;
  }
  .banner .left {
    text-align: center;
    padding-top: 77px;
  }
  .banner .left .banner-logo {
    justify-content: center;
  }
  .banner .left .name {
    width: 100%;
    padding: 0;
  }
  .banner .left .desc {
    padding: 0 40px;
  }
  .banner .right {
    text-align: center;
    padding-top: 68px;
  }
  .banner .right img {
    width: 80%;
    height: auto;
  }
  .why .list .list-item {
  }
  .why .list .list-item img {
    width: 80%;
    height: auto;
  }
  .why .list .list-item .desc {
    font-size: 14px;
  }
  #product {
    padding-bottom: 0px;
  }
  .product-description {
    padding-top: 0px;
  }
  .product-description .name {
    margin-top: 60px;
  }
  .product-description img {
    width: 80%;
    height: auto;
    margin-top: 32px;
  }
  .product-description .container-inner {
    flex-direction: column;
    text-align: center;
  }
  .guidance .video-box video {
    width: 90%;
    height: auto;
    margin: 0 auto;
  }
  .price .price-title {
    width: 44px;
    font-size: 12px;
  }

  .price .price-content {
    width: 90%;
    margin: 0 auto 20px;
    display: flex;
    flex-direction: column;
  }
  .price .price-content .free-pay-wrap {
    width: 100%;
    margin-bottom: 20px;
  }
  .price .price-body-title {
    /* height: 28px; */
    font-size: 14px;
    line-height: 28px;
  }
  .price .price-body-list {
    padding: 10px 26px 0 20px;
  }
  .price .price-body-list li {
    font-size: 12px;
  }
  .price .price-body-list li:after {
    width: 4px;
    height: 4px;
    left: -7px;
    top: 10px;
  }
}