html,
body {
  margin: 0;
  padding: 0;
}
ul,
li {
  list-style: none;
}
dd {
  margin-left: 0;
}
.tit {
  border-bottom: 1px solid #fafafa;
}
.stit {
  width: 1200px;
  height: 60px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  color: #3964e5;
  font-size: 24px;
  font-weight: 500;
}
.stit a {
  text-decoration: none;
}
.stit a:active,
.stit a:visited {
  color: #3964e5;
}
.stit img {
  width: 36px;
  height: 36px;
  margin-right: 16px;
}
.stit div {
  flex: 1;
  text-align: right;
  color: #333333;
}
.stit div a {
  color: #3964e5;
  margin: 0 10px;
  text-decoration: none;
}
.stit div span {
  margin: 0 10px;
}
.tou {
  min-width: 1200px;
  background-image: url('img/i2.png');
  background-repeat: no-repeat;
  background-position: right top;
  background-size: auto 100%;
  height: 610px;
}
.tou .tou_left {
  width: 1200px;
  margin: 0 auto;
}

.tou_left dd {
  color: #333333;
  font-size: 36px;
  font-weight: 500;
  padding-top: 100px;
  padding-right: 45%;
}
.tou_left li {
  color: #7697f8;
  font-size: 48px;
  font-weight: 900;
  padding-top: 40px;
  padding-right: 45%;
}
.sm {
  background: #f8f8f8;
  padding: 85px 0;
}
.sm dd {
  color: #3964e5;
  font-size: 48px;
  font-weight: 900;
  text-align: center;
}
.sm li {
  color: #333333;
  font-size: 28px;
  line-height: 1.5;
  width: 1200px;
  margin: 14px auto;
  text-indent: 0;
}
.colorBlue {
  background-color: #e0e8ff;
}
.tou2 {
  min-width: 1200px;
  background-image: url('img/i3.png');
  background-repeat: no-repeat;
  background-position: right top;
  background-size: auto 100%;
  height: 610px;
}
.tou2 .tou2_left {
  width: 1200px;
  margin: 0 auto;
}

.tou2_left dd {
  color: #3964e5;
  font-size: 48px;
  font-weight: 900;
  padding-top: 100px;
  padding-right: 40%;
}
.tou2_left li {
  color: #7697f8;
  font-size: 32px;
  font-weight: 500;
  padding-top: 40px;
  padding-right: 38%;
}
.tou2_left button {
  width: 292px;
  height: 92px;
  flex-shrink: 0;
  border-radius: 10px;
  background-color: #3964e5;
  color: #ffffff;
  font-size: 36px;
  font-weight: 500;
  border: 0;
  cursor: pointer;
}
.tit1 {
  color: #3964e5;
  text-align: center;
  font-size: 56px;
  font-weight: 900;
  padding-top: 80px;
  padding-bottom: 48px;
}

.bai_size {
  color: #333333;
  font-size: 28px;
  font-weight: 500;
  width: 1200px;
  margin: 0 auto;
  height: 150px;
  line-height: 150px;
  text-align: center;
  background-color: #ffffff;
}
.kua3 {
  display: flex;
  width: 1200px;
  justify-content: space-between;
  margin: 60px auto;
}
.kua3 .kua_l {
  width: 382px;
  background-color: #3964e5;
  height: 382px;
  box-sizing: border-box;
  padding: 22px;
  overflow: hidden;
}
.kua3 .kua_l dd {
  color: #ffffff;
  font-size: 30px;
  font-weight: 500;
  padding-top: 10px;
}
.kua3 .kua_l li {
  color: #ffffff;
  font-size: 22px;
  padding-top: 24px;
}
.kua4 {
  text-align: center;
  padding: 60px;
  border-top: 1px solid #ccd1dc;
}
.kua4 .kua_l {
  width: 382px;
  background-color: #3964e5;
  height: 382px;
  box-sizing: border-box;
  padding: 22px;
  margin: 0 13px;
  display: inline-block;
  overflow: hidden;
}
.kua4 .kua_l dd {
  color: #ffffff;
  font-size: 30px;
  font-weight: 500;
  padding-top: 10px;
}
.kua4 .kua_l li {
  color: #ffffff;
  font-size: 22px;
  padding-top: 24px;
}
.tit_how {
  color: #3964e5;
  font-size: 56px;
  font-weight: 900;
  text-align: center;
  padding-top: 80px;
  padding-bottom: 30px;
}
.tit_sm {
  color: #333333;
  text-align: center;
  width: 1200px;
  margin: 0 auto;
  font-size: 28px;
  padding-bottom: 80px;
}
.wen_list {
  background: #f8f8f8;
  width: 1200px;
  margin: 0 auto;
}
.wen_list li {
  border-bottom: 1px solid #ebebef;
  padding: 48px;
  font-size: 28px;
}
.wen_list li:nth-last-child(1) {
  border-bottom: 0;
}
.wen_list li span {
  color: #3964e5;
  font-weight: 500;
}
.wen_list li p {
  color: #333333;
}
.cont_let {
  background-color: #e0e8ff;
}
.cont_let ol {
  width: 1200px;
  padding-left: 0;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.cont_let ol li {
  padding-top: 30px;
}
.cont_let ol li span {
  color: #3964e5;
  font-size: 36px;
  font-weight: 900;
}
.cont_let ol li p {
  color: #333333;
  font-size: 24px;
  font-weight: 500;
}
.cont_let ol dd {
  width: 100px;
  height: 200px;
  border-right: 1px solid #ffffff;
  transform: rotate(10deg);
  position: relative;
  margin-top: -10px;
}
.get_now {
  width: 292px;
  height: 92px;
  flex-shrink: 0;
  border-radius: 10px;
  background-color: #3964e5;
  color: #ffffff;
  font-size: 36px;
  font-weight: 500;
  border: 0;
  cursor: pointer;
}
.form_tit {
  color: #3964e5;
  font-size: 56px;
  font-weight: 900;
  text-align: center;
  padding-top: 80px;
  padding-bottom: 48px;
}
.form_tit1 {
  color: #333333;
  font-size: 28px;
  font-weight: 500;
  text-align: center;
  padding-bottom: 48px;
  width: 1200px;
  margin: 0 auto;
}
.form_post {
  display: flex;
  flex-wrap: wrap;
  gap: 50px;
  width: 1200px;
  margin: 0 auto;
}
.form_post div.form_one {
  flex: 0 0 572px;
  min-height: 98px;
  overflow: hidden;
}
.form_post div.form_tow {
  flex: 0 0 100%;
  min-height: 98px;
  overflow: hidden;
}
.form_post div label {
  color: #3964e5;
  font-size: 24px;
  font-weight: 500;
  line-height: 60px;
}
input {
  width: 100%;
  height: 86px;
  line-height: 86px;
  border-radius: 4px;
  box-sizing: border-box;
  border: 2px solid #3964e5;
}
.form_but {
  text-align: center;
  padding-top: 110px;
  padding-bottom: 130px;
}
.footer {
  background-color: #e0e8ff;
}
.footer ul {
  padding-left: 0;
  width: 1200px;
  margin: 0 auto;
  height: 162px;
  line-height: 162px;
  display: flex;
  justify-content: space-between;
  color: #000000;
  font-size: 24px;
  font-weight: 500;
}
.footer ul li a {
  text-decoration: none;
  color: #000000;
  margin: 0 22px;
}
.success-message {
  display: none;
  color: #3c763d;
  background-color: #dff0d8;
  border-color: #d6e9c6;
  padding: 15px;
  border: 1px solid transparent;
  border-radius: 4px;
  position: fixed;
  text-align: center;
  top: 0;
  left: 0;
  right: 0;
  box-sizing: border-box;
}
.no-message {
  display: none;
  color: #f32416;
  background-color: #e9cac6;
  border-color: #e9cac6;
  padding: 15px;
  border: 1px solid transparent;
  border-radius: 4px;
  position: fixed;
  text-align: center;
  top: 0;
  left: 0;
  right: 0;
  box-sizing: border-box;
}
.form_checkbox {
  width: 1200px;
  margin: 0 auto;
  padding-top: 45px;
  color: #3964e5;
  font-size: 24px;
}
.form_checkbox .checkbox {
  width: 16px;
  height: 16px;
}
.bottom_tit {
  color: #3964e5;
  font-size: 24px;
  font-weight: 500;
  text-align: center;
  padding-bottom: 80px;
}
.bottom_tit a {
  text-decoration: none;
}
.bottom_tit a:active,
.bottom_tit a:visited {
  color: #3964e5;
}

.get_us {
  padding-bottom: 40px;
}
.demo_content {
  width: 1200px;
  margin: 0 auto;
  padding: 25px 0;
}