html {
  scroll-behavior: smooth;
}
.app {
  background-color: #fff;
}
section .section-inner {
  width: 1200px;
  margin: 0 auto;
}
#home {
  background-color: rgba(255, 244, 230, 1);
}
#home .section-inner {
  padding-top: 0;
}
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100px;
  border-bottom: 1px solid rgba(18, 17, 39, 0.08);
}

nav .logo {
  width: 100px;
  height: 100px;
}
nav .logo img {
  width: 100%;
  height: 100%;
}
nav ul {
  display: flex;
  align-items: center;
}
nav ul li + li {
  margin-left: 56px;
}
nav ul li a {
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 28.8px;
  color: rgba(18, 17, 39, 0.72);
}
.download-tip {
  display: block;
  padding: 15px 20px;
  background-color: #19d9c9;
  border-radius: 100px;
  color: #fff;
  line-height: 1;
}
/* #home {
  background: url("../static/images/home_bg.png") top left no-repeat;
  background-size: contain;
} */
.first-screen {
  position: relative;
  height: calc(100vh - 100px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.first-screen .content {
  position: relative;
}
.content .flex-box {
  position: relative;
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.first-screen .content::before,
.first-screen .content::after {
  position: absolute;
  top: 50%;
  z-index: 0;
  width: 482px;
  height: 482px;
  transform: translateY(-50%);
  filter: blur(170px);
  content: "";
  z-index: 10;
}
.first-screen .content::before {
  left: -200px;
  background-color: rgba(255, 211, 144, 0.4);
}
.first-screen .content::after {
  right: -200px;
  background-color: rgba(255, 150, 213, 0.4);
}
.first-screen .content .title {
  font-size: 56px;
  font-weight: 700;
  letter-spacing: 0px;
  line-height: 67.2px;
  color: rgba(18, 17, 39, 1);
}
.first-screen .content .desc {
  margin-top: 20px;
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 36px;
  text-align: center;
  color: rgba(18, 17, 39, 0.72);
}
.first-screen .content .link {
  margin-top: 40px;
}
.first-screen .content .link a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 128px;
  height: 51px;
  border-radius: 8px;
  background: rgba(0, 0, 0, 1);
  color: #fff;
}
.first-screen .content .contact {
  height: 68px;
  display: flex;
  align-items: center;

  font-size: 18px;
  font-weight: 300;
  letter-spacing: 0px;
  line-height: 67.2px;
  color: rgba(18, 17, 39, 1);
}
.first-screen .content .contact img {
  width: 20px;
  height: 20px;
  margin-right: 16px;
}
.first-screen .arrow-down {
  position: absolute;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%);
  animation: dance 2s infinite ease-in-out;
}
.first-screen .arrpw-down img {
  width: 24px;
  height: 24px;
}
@keyframes dance {
  0% {
    bottom: 60px;
  }
  50% {
    bottom: 30px;
  }
  100% {
    bottom: 60px;
  }
}
/* 首屏完 */
.section-inner {
  position: relative;
  padding-top: 105px;
}
.section-inner.flex-box {
  display: flex;
  align-items: center;
}
.section-inner article {
  position: relative;
  flex: 1;
}
.section-inner article .title {
  font-size: 56px;
  font-weight: 700;
  letter-spacing: 0px;
  line-height: 67.2px;
  color: rgba(18, 17, 39, 1);
}
.section-inner article .sub-title {
  margin-top: 5px;
  font-size: 34px;
  font-weight: 100;
  letter-spacing: 0px;
  line-height: 67.2px;
  color: rgba(0, 0, 0, 1);
}
.section-inner article .desc {
  margin-top: 14px;
  font-size: 14px;
  font-weight: 300;
  letter-spacing: 0px;
  line-height: 30px;
  color: rgba(0, 0, 0, 1);
  text-align: left;
  vertical-align: top;
}
.section-inner .img {
  position: relative;
  z-index: 20;
  /* border: 1px dashed #dbdbdb; */
}
.section-inner .img img {
  width: 100%;
  height: 100%;
}
#weakness .img {
  width: 496px;
  height: 446px;
  margin-left: 156px;
}
#machine .img {
  width: 665px;
  height: 562px;
  margin-right: 18px;
}
#IPTV .img {
  width: 578px;
  height: 426px;
  margin-left: 64px;
}
#IPTV {
  background-image: url("../static/images/iptv_bg.png");
  background-repeat: no-repeat;
  background-size: 120% auto;
  background-position: -100px 0;
}
#IPTV .section-inner {
  height: 878px;
}
#IPTV .section-inner .article-inner {
  position: relative;
  z-index: 20;
}
#IPTV article::before,
#IPTV article::after {
  position: absolute;
  top: 50%;
  z-index: 0;
  width: 482px;
  height: 482px;
  transform: translateY(-50%);
  filter: blur(170px);
  content: "";
  z-index: 10;
}
#IPTV article::before {
  left: -200px;
  background-color: rgba(255, 211, 144, 0.4);
}
#IPTV article::after {
  right: -200px;
  background-color: rgba(255, 150, 213, 0.4);
}
#IPTV .logo-list {
  position: absolute;
  bottom: 118px;
  left: 0;
  display: flex;
  align-items: center;
}
#IPTV .logo-list img {
  width: 100%;
  height: auto;
}
#IPTV .logo-list .logo-1 {
  width: 90px;
}
#IPTV .logo-list .logo-2 {
  width: 64px;
  margin-left: 80px;
}
#IPTV .logo-list .logo-3 {
  width: 108px;
  margin-left: 80px;
}
#IPTV .logo-list .logo-4 {
  width: 136px;
  margin-left: 80px;
}
#IPTV .logo-list .logo-5 {
  width: 150px;
  margin-left: 80px;
}
#news {
  padding-bottom: 108px;
}
#news .article-inner .title {
  font-size: 40px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 67.2px;
  color: rgba(18, 17, 39, 1);
}
#news .article-inner .sub-title {
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 16.41px;
  color: rgba(0, 0, 0, 0.2);
}
#news .section-inner .news-item {
  display: flex;
  align-items: center;
  padding: 22px 45px 25px 32px;
  width: 430px;
  height: 198px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 1);
  box-shadow: 0px 34px 38px rgba(0, 0, 0, 0.08);
}
#news .section-inner .news-item + .news-item {
  margin-left: 33px;
}
#news .news-item .left {
  margin-right: 27px;
}
#news .news-item .left .day {
  font-size: 40px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 46.88px;
  color: rgba(0, 0, 0, 1);
}
#news .news-item .left .separator,
#news .news-item .left .year {
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 23.44px;
  color: rgba(0, 0, 0, 0.2);
}
#news .news-item .left .line {
  margin-top: 40px;
  width: 20px;
  border: 1px solid rgba(0, 0, 0, 1);
}
#news .news-item .right .title {
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 28px;
  color: rgba(0, 0, 0, 1);
}
#news .news-item .right .abstract {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 16px;
  color: rgba(0, 0, 0, 0.5);
  margin: 18px 0 23px;
}
#news .news-item .right .source {
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 19.6px;
  color: rgba(0, 0, 0, 1);
}
#news .news-item .right .source .time {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 17.38px;
  color: rgba(0, 0, 0, 0.5);
  margin-left: 20px;
}
#programme {
  position: relative;
  display: flex;
  align-items: center;
  height: 319px;
  overflow: hidden;
  background-color: rgba(229, 225, 222, 0.33);
}
#programme article {
  position: relative;
  width: 1200px;
  margin: 0 auto;
}
#programme article .title {
  position: relative;
  z-index: 20;
  font-size: 56px;
  font-weight: 700;
  letter-spacing: 0px;
  line-height: 67.2px;
  color: rgba(18, 17, 39, 1);
}
#programme .sub-title {
  position: relative;
  z-index: 20;
  display: flex;
  align-items: center;
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 67.2px;
  color: rgba(18, 17, 39, 1);
}
#programme .sub-title img {
  width: 20px;
  height: 20px;
  margin-right: 10px;
}
#programme .img {
  position: absolute;
  top: 0;
  right: 0;
  width: 377px;
  height: 345px;
  z-index: 20;
}
#programme .img img {
  width: 100%;
  height: 100%;
}
#programme article::before,
#programme article::after {
  position: absolute;
  top: 50%;
  z-index: 0;
  width: 482px;
  height: 482px;
  transform: translateY(-50%);
  filter: blur(170px);
  content: "";
  z-index: 10;
}
#programme article::before {
  left: -100px;
  background-color: rgba(255, 211, 144, 0.4);
}
#programme article::after {
  left: 300px;
  background-color: rgba(255, 150, 213, 0.4);
}
footer {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 80px;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 20px;
  color: rgba(229, 229, 229, 0.5);
  text-align: center;
  background-color: rgba(56, 56, 56, 1);
}
footer a {
  color: rgba(229, 229, 229, 0.5);
}
footer a:hover {
  color: #fff;
}