.container{width:1220px; height:100%; margin:0 auto; position:relative;}
.section-header{padding-bottom:36px;}
.section-header h2{font-size: 32px; font-weight: 400; text-align: center;}
.section-header p{font-size: 16px; padding: 20px 0; line-height:1.8; text-align:center;color: #646464;}
.item-wrap{display: flex;flex-wrap: wrap; justify-content: center;align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center; 
}
.item-col-3{width:33.3333333333%; padding:0 12px;box-sizing: border-box;}
.item-col-4{width:25%; padding:0 12px;box-sizing: border-box;}
.item-col-6{width:16.6666666666%; padding:0 12px;box-sizing: border-box;}


.banner {width: 100%; height: 80vh; background: url(../images/bg.png) bottom center no-repeat; background-size: cover;text-align:center;}
.banner-text{position:absolute; left:0; top:50%; margin-top:-150px;}
.banner-img{position:absolute; right:0; top:50%; margin-top:-210px;}
.banner-img img{width:468px;position: relative;top: 20%;}
.banner h1 { margin: 0; font-size: 40px; color: #323232; font-weight:400;}
.banner h2 { color: #646464; margin: 20px 0 0 0; line-height:2; font-size: 18px; font-weight: 200;}
.banner .btn-down {margin: 60px 0 0 0; display:inline-block; padding: 12px 24px; border-radius: 3px; transition: 0.5s; color: #fff; border:1px solid #186AF2;background: #186AF2;box-shadow: 0px 5px 30px rgba(65, 84, 241, 0.4); font-size: 16px; font-weight: 600;}
.banner .btn-down:hover{opacity:0.8}
.banner .btn-go {margin: 60px 0 0 20px; display:inline-block; padding: 12px 24px; border-radius: 3px; transition: 0.5s; color: #186AF2; border:1px solid #186AF2; box-shadow: 0px 5px 30px rgba(65, 84, 241, 0.4);font-size: 16px; font-weight: 600;}
.banner .btn-go:hover{opacity:0.8}
.banner .btn-view {margin: 60px 0 0 20px; cursor: pointer; display:inline-block; padding: 12px 24px; transition: 0.5s; color: #458BF3; font-size: 12px;}
.banner .banner-ops{margin: 20px 0; padding: 12px 0; transition: 0.5s; color: #458BF3; font-size: 12px;}
.banner .banner-ops a{margin-right:12px; color: #969696;}
.banner .banner-ops a.btn-full{color: #458BF3;}
.banner .intro-img{width: 420px; position: absolute; bottom:0; left:0;}
.banner .intro-img img{width: 100%;}


.advantage {background:#ffffff; width: 100%; text-align: center; padding: 60px 0 80px; font-weight: 100;}
.feature {display: block;background: #fff; padding: 36px 20px 20px;text-align: center;font-size: 16px; line-height: 1.5; word-wrap: break-word; box-shadow: 0px 0 30px rgb(1 41 112 / 10%); height: 100%; background-color: #fff; text-align: center; transition: 0.3s; border-radius: 6px;}
.feature:hover { background-color: #4385F5; background: linear-gradient(to left, #4385F5, #00aaff); color: #fff; }  
.feature .part-icon {display: inline-block;border-radius: 100%;background: #f5f5f5; padding: 25px;width: 60px; height: 60px;}
.part-text h3 {color: #333;font-weight: normal; text-align: center;font-size:18px; padding: 10px 0;}
.part-text {text-align: left; line-height: 1.6;font-size: 14px; color: #888; padding: 10px 0;}
.feature:hover .part-text h3,.feature:hover .part-text {color: #fff;}
.part-icon img { width: 60px;height: 60px;}

.cms-banner{width:100%; height:120px; background-color:#4385F5}
.cms-banner .container {padding: 30px 0; color: rgba(255,255,255,0.9); overflow: hidden;}
.cms-banner img {display: block; float: left; height: 60px; margin-right: 2px;}
.cms-banner span { display: block; float: left; line-height: 60px; margin-right:36px; font-size: 24px; font-weight: 100;}
.cms-banner ul { overflow: hidden;  float: left; margin-right:36px;}
.cms-banner ul li {font-size: 16px; padding: 5px 0;font-weight: 100;}
.cms-banner a {float: right;display: block; margin-top: 12px; padding: 6px 24px 7px; border: solid 2px #ed5d18; border-radius: 100px; background: #ed5d18; color: #fff; font-size: 16px; }

.function {background:#f2f2f2; width: 100%; text-align: center; padding: 80px 0;}
.function-title{font-size: 42px; font-weight: 500; text-align: center; font-weight: 100;}
.function-sub-title{font-size: 18px; padding: 20px 0 160px; line-height:1.8;  font-weight: 100; text-align: left;}
.function-wrap{width:100%;position: relative; margin:0 auto; background-color: #fff; padding:180px 0 30px;  border-radius: 10px;  box-shadow: 0 0 10px rgb(0 0 0 / 10%);}
.function-img{width: 100%;position: absolute; top: -112px;}
.function-main{display: flex;  justify-content: center; padding: 24px;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center; 
}

.function-item { width: 220px; font-size: 15px; line-height: 1.5; margin:0 12px; word-wrap: break-word;}
.item-box{padding: 20px 0; background-color: #4385F5; background: linear-gradient(to left, #4385F5, #00aaff); border-radius: 8px; color: #fff;margin-bottom: 10px;}
.function-item  ul li { width: 100%; float: left; padding:5px 3%; text-align: left; font-weight: 100;}
.function-item  ul li span{font-size: 16px; color: #4385F5; font-weight: 800; margin-right: 3px;}
.item-box h3{font-size: 18px; font-weight: 100; padding-top:10px;}
.item-box img{height:80px;}


@media (min-width: 1024px) {
  .banner {
    background-attachment: fixed;
  }
}

@media (max-width: 1280px) {
	.container{width:1026px;}
	.banner h1 {font-size: 36px;}
	.banner h2 {font-size: 16px;}
	.banner-img{margin-top:-160px;}
	.banner-img img{width:360px;}
	.banner .intro-img{width: 240px; }
    .cms-banner img{height:50px;}
    .cms-banner span{font-size: 22px; line-height: 50px;}
    .cms-banner ul li {font-size: 14px;}
    .function-img img{width: 360px;}
    .function-item {font-size: 13px;}
    .function-item  ul li span{font-size: 14px;  margin-right: 1px;}
}

/* 美化按钮样式 */
.download-buttons-container {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

.btn-down-custom {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px 32px;
  border-radius: 8px;
  transition: all 0.3s ease;
  color: #fff;
  border: 1px solid #186AF2;
  background: linear-gradient(135deg, #186AF2 0%, #4385F5 100%);
  box-shadow: 0 5px 15px rgba(65, 84, 241, 0.4);
  font-size: 16px;
  font-weight: 600;
  text-align: center;
  min-width: 280px;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-down-custom::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: all 0.6s ease;
}

.btn-down-custom:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(65, 84, 241, 0.5);
}

.btn-down-custom:hover::before {
  left: 100%;
}

.btn-down-custom:active {
  transform: translateY(0);
  box-shadow: 0 3px 10px rgba(65, 84, 241, 0.3);
}

.btn-main-text {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
  display: block;
}

.btn-sub-text {
  font-size: 12px;
  font-weight: 400;
  opacity: 0.9;
  display: block;
}

/* 美化二维码样式 */
.qrcode-display-container {
  display: flex;
  justify-content: center;
  gap: 80px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.qrcode-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: all 0.3s ease;
  padding: 10px;
  border-radius: 12px;
}

.qrcode-card:hover {
  transform: translateY(-5px);
}

.qrcode-image-wrapper {
  background: white;
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  margin-bottom: 12px;
  border: 1px solid #e0e0e0;
  transition: all 0.3s ease;
}

.qrcode-card:hover .qrcode-image-wrapper {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  border-color: #186AF2;
}

.qrcode-image-wrapper img {
  display: block;
  transition: all 0.3s ease;
}

.qrcode-title {
  font-size: 16px;
  color: #333;
  font-weight: 500;
  margin-top: 8px;
  text-align: center;
}

/* 美化提示文字 */
.platform-notice {
  text-align: center;
  color: #e74c3c;
  font-size: 16px;
  font-weight: 500;
  padding: 12px 24px;
  background-color: #fff5f5;
  border-radius: 8px;
  display: inline-block;
  margin: 0 auto;
  border-left: 4px solid #e74c3c;
  box-shadow: 0 2px 8px rgba(231, 76, 60, 0.1);
}

/* 视频区域样式 */
.video-section {
  padding: 60px 0;
  background-color: #f8f9fa;
}

.video-container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-top: 30px;
}

.video-item {
  width: calc(20% - 15px);
  margin-bottom: 20px;
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.video-item video {
  border: none;
  background: #000;
}

.video-title {
  padding: 10px;
  text-align: center;
  font-size: 14px;
  color: #333;
}

/* 图片预加载 */
.preload-images {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .download-buttons-container {
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }
  
  .btn-down-custom {
    min-width: 240px;
    width: 90%;
  }
  
  .qrcode-display-container {
    gap: 40px;
  }
}

@media (max-width: 1200px) {
  .video-item {
    width: calc(25% - 15px);
  }
}

@media (max-width: 992px) {
  .video-item {
    width: calc(33.333% - 15px);
  }
}

@media (max-width: 768px) {
  .video-item {
    width: calc(50% - 15px);
  }
}

@media (max-width: 576px) {
  .video-item {
    width: 100%;
  }
}