* {
  margin: 0;
  padding: 0;
  line-height: 14px;
  font-family: Microsoft YaHei;
}
[v-cloak] {
  display: none;
}
html, body {
  width: 100%;
  background: #fff;
}

button {
  border: none;
  cursor: pointer;
  background: none;
}

.content {
  width: 1200px;
  margin: 0 auto;
}
a {
  text-decoration: none;
}
li {
  list-style: none;
}


/* nv */
#head {
  width: 100%;
  border: 1px solid #F4F4F4;
  background: #FFFFFF;
  padding: 12px 0;
  box-sizing: border-box;
}
#head .logo {
  width: 94px;
  height: 26px;
}
.head-main {
  align-items: center;
}
.nav {
  display: flex;
}
.nav a {
  font-size: 14px;
  color: #222222;
  margin-right: 60px;
  position: relative;
}
.nav a span {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -10px;
  width: 100%;
  height: 2px;
  background: #DD2021;
  display: none;
}
.nav a:last-child {
  margin-right: 0;
}
.login {
  display: flex;
  align-items: center;
}
.login button {
  width: 88px;
  height: 32px;
  font-size: 14px;
  text-align: center;
  border-radius: 4px;
  box-sizing: border-box;
}
.login .login-btn {
  color: #DD2021;
  border: 2px solid #DD2021;
  margin-right: 20px;
}
.login .register-btn {
  color: #FFFFFF;
  background: #DD2021;
  border: 1px solid #D91B1C;
}

/* banner */
#banner {
  width: 100%;
  padding-top: 90px;
  padding-bottom: 68px;
  background: url('../img/web/banner.png') no-repeat;
  background-size: 100% 100%;
}
.banner > div {
  flex-grow: 1;
}
.banner_text {
  padding-top: 42px;
  box-sizing: border-box;
  height: auto;
}
.banner_text p:nth-of-type(1) {
  font-size: 42px;
  color: #FFFFFF;
  line-height: 42px;
  font-weight: bold;
  text-shadow: 0px 4px 7px rgba(234, 38, 34, 0.18);
}
.banner_text p:nth-of-type(2), .banner_text p:nth-of-type(3) {
  font-size: 20px;
  color: #FFFFFF;
  line-height: 20px;
  margin-top: 42px;
}
.banner_text p:nth-of-type(3) {
  margin-top: 10px;
}
.banner_text p:nth-of-type(4) {
  width: 186px;
  height: 64px;
  font-size: 28px;
  color: #FC513D;
  line-height: 64px;
  text-align: center;
  background: #FFFFFF;
  border-radius: 32px;
  box-shadow: 0px 4px 7px 0px rgba(247, 113, 75, 0.54);
  margin-top: 105px;
}
.banner_img {
  text-align: right;
}



h3 {
  font-size: 35px;
  line-height: 0.35rem;
  text-align: center;
}
h4 {
  width: 136px;
  height: 10px;
  background: linear-gradient(-89deg, #FF864E, #FF6E6F);
  border-radius: 5px;
  margin: 20px auto 0;
}

/* main1 */
#main1 {
  background: url('../img/web/main1_bg.png') no-repeat;
  background-size: 100% 100%;
  padding-top: 105px;
  padding-bottom: 115px;
}
.issue {
  margin-top: 80px;
  padding-bottom: 15px;
  background: url('../img/web/issue.png') no-repeat;
  background-position: 50% 27px;
}
.issue > div:nth-child(2) {
  margin-top: 122px;
}
.issue .issue-item {
  color: #fff;
  width: 342px;
  height: 118px;
  padding: 17px 16px 0 17px;
  border-radius: 14px;
  box-sizing: border-box;
  background: url('../img/web/issue_bg.png') no-repeat;
  position: relative;
}
.issue .issue-item p:nth-child(1) {
  font-size: 28px;
  line-height: 28px;
  margin-bottom: 14px;
}
.issue .issue-item p:nth-child(2) {
  font-size: 17px;
  line-height: 23px;
}
.issue-item img {
  position: absolute;
}
.issue-item .issue_1, .issue-item .issue_2 {
  top: 40px;
}
.issue-item .issue_3, .issue-item .issue_4 {
  top: 40px;
}
.issue-item .issue_1, .issue-item .issue_3 {
  left: 352px;
}
.issue-item .issue_2, .issue-item .issue_4 {
  left: -135px;
}

/* main2 */
#main2 {
  padding-top: 107px;
  padding-bottom: 102px;
}
#main2 h4 {
  margin-bottom: 30px;
}
#main2 .channel {
  flex-wrap: wrap;
}
#main2 .channel li {
  width: 276px;
  height: 286px;
  box-shadow: 0px 4px 7px 0px rgba(108, 108, 108, 0.16);
  border-radius: 9px;
  padding: 0 30px;
  box-sizing: border-box;
  margin-top: 30px;
}
.channel li p:nth-child(1) {
  color: #5A5A5A;
  font-size: 18px;
  line-height: 18px;
  text-align: center;
  margin-top: 184px;
}
.channel li p:nth-child(2) {
  color: #8C8C8C;
  font-size: 14px;
  line-height: 16px;
  text-align: center;
  margin-top: 18px;
}
#main2 .channel li:nth-child(1) {
  background: url('../img/web/channel_1.png') no-repeat;
}
#main2 .channel li:nth-child(2) {
  background: url('../img/web/channel_2.png') no-repeat;
}
#main2 .channel li:nth-child(3) {
  background: url('../img/web/channel_3.png') no-repeat;
}
#main2 .channel li:nth-child(4) {
  background: url('../img/web/channel_4.png') no-repeat;
}
#main2 .channel li:nth-child(5) {
  background: url('../img/web/channel_5.png') no-repeat;
}
#main2 .channel li:nth-child(6) {
  background: url('../img/web/channel_6.png') no-repeat;
}
#main2 .channel li:nth-child(7) {
  background: url('../img/web/channel_7.png') no-repeat;
}
#main2 .channel li:nth-child(8) {
  background: url('../img/web/channel_8.png') no-repeat;
}

/* main3 */
#main3 {
  padding-top: 105px;
  background: url('../img/web/main3_bg.png') no-repeat;
  background-size: 100% 100%;
}
#main3 h4 {
  margin-bottom: 114px;
}
#main3 .main3_img {
  display: block;
  width: 1137px;
  height: 417px;
  margin-left: 39px;
}

/* main4 */
#main4 {
  padding-top: 56px;
  background-color: #fff;
  background: url('../img/web/main4_bg.png') no-repeat;
  background-size: 100% 100%;
}
#main4 h3 {
  color: #fff;
}
#main4 .main4_content {
  width: 1200px;
  margin: 0 auto;
  position: relative;
}
#main4 .main4_content {
  margin-top: 30px;
}

/* main5 */
#main5 {
  background: #fff;
  padding-top: 62px;
  padding-bottom: 75px;
}
#main5 .main5 .p1 {
  font-size: 30px;
  color: #3D4450;
  line-height: 30px;
  text-align: center;
}
#main5 .main5 .p2 {
  font-size: 16px;
  color: #7B8390;
  line-height: 16px;
  text-align: center;
  font-weight: 400;
  margin-top: 28px;
  margin-bottom: 80px;
}
#main5 .main5 .p2 span {
  color: #DD2021;
}
#main5 .form {
  width: 582px;
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
}
#main5 .form > div:nth-child(1) {
  width: 428px;
}
#main5 .form input {
  width: 428px;
  padding: 0 5px 10px;
  border-bottom: 1px solid #E5E5E6;
  margin-bottom: 30px;
}
#main5 .form > div:nth-child(2) {
  width: 115px;
  font-size: 14px;
  text-align: center;
  color: #A1A0A0;
}
#main5 .form .code-box {
  width: 115px;
  height: 115px;
  padding: 7px;
  border: 1px solid #F0F0F0;
  box-sizing: border-box;
  margin-top: 9px;
}
#main5 .form .code-box img {
  width: 100%;
  height: 100%;
}
#main5 .submitBtn {
  width: 197px;
  height: 46px;
  font-size: 16px;
  color: #FFFFFF;
  background: #FF3E32;
  border-radius: 23px;
  text-align: center;
  line-height: 46px;
  margin: 40px auto 0;
  cursor: pointer;
}

/* footer */
#footer {
  padding-top: 28px;
  padding-bottom: 40px;
  background-color: #292A2D;
}
#footer .title {
  display: flex;
  align-items: center;
  padding-bottom: 18px;
  border-bottom: 1px solid #E0DBDB;
  padding-left: 8px;
  margin-bottom: 18px;
}
#footer .title span {
  font-size: 19px;
  color: #C7C8C9;
  margin-left: 27px;
}
#footer .footer-msg {
  color: #D8D8D8;
  font-size: 17px;
  line-height: 17px;
}
#footer .footer-msg p {
  margin-top: 30px;
}
#footer .code-box {
  margin-right: 82px;
  text-align: center;
}
#footer .code-box p {
  color: #FFFFFF;
  font-size: 16px;
  margin-top: 15px;
}



.flex-b {
  display: flex;
  justify-content: space-between;
}

input {
  border: none;
  outline: none;
}
input::placeholder {
  font-size: 14px;
  color: #C3C3C3;
}

.animation {
  position: fixed;
  z-index: 100;
  animation: slideInDown 0.8s;
}
@keyframes slideInDown {
  from {
    -webkit-transform: translateY(-100%);
    transform: translateY(-100%);
    visibility: visible;
  }
  to {
    -webkit-transform: translateY(0);
    transform: translateY(0);
  }
}