:root {
  --font-size-16: 16px;
  --primary-blue: #0033b3;
  --light-blue: #3aaae4;
  --medium-blue: #63bef1;
  --dark-blue: #036bd2;
  --accent-orange: #ff8b00;
  --accent-blue: #1358d7;
  --accent-bg: #f6f1ee;
  --text-white: #ffffff;
  --text-dark: #000000;
}

.bg-ie {
  display: none;
}
.mr2 {
  margin-right: 1%;
}
html,
body {
  width: 100%;
  margin: 0;
  padding: 0;
}

.container {
  width: 100%;
  margin: 0 auto;
   background:url(../images/banner.png) top center no-repeat #4a55d3;
}

.top {
  width: 100%;
  background-color: var(--primary-blue);
  text-align: center;
  padding: 10px 0;
}

.top p {
  font-size: var(--font-size-16);
  color: var(--text-white);
  margin: 0;
}

.footer {
  width: 100%;
  background-color: #1275b6;
  text-align: center;
  padding: 35px 0;
}

.footer p {
  font-size: var(--font-size-16);
  line-height: 1.6;
  color: var(--text-white);
  margin: 0;
}

.header {
  width: 100%;
  height: 755px;
  overflow: hidden;
  position: relative;
 
}

.bg {
  width: 100%;
  height: 100%;
}

.bg img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.title {
  position: absolute;
  width: 50%;
  top: 22%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 9;
}

.title img {
  width: 100%;
  height: 100%;
  display: block;
}

.card-1 {
  position: absolute;
  width: 25%;
  top: 21%;
  left: 8%;
  z-index: 11;
}

.card-1 img {
  width: 100%;
  height: 100%;
  display: block;
}

.nail-left {
  position: absolute;
  width: 5%;
  top: 23%;
  left: 10%;
  z-index: 12;
}

.nail-left img {
  width: 100%;
  height: 100%;
  display: block;
}

.card-2 {
  position: absolute;
  width: 25%;
  top: 28%;
  left: 27%;
  z-index: 8;
}

.card-2 img {
  width: 100%;
  height: 100%;
  display: block;
}

.card-3 {
  position: absolute;
  width: 25%;
  top: 32%;
  right: 26%;
  z-index: 8;
}

.card-3 img {
  width: 100%;
  height: 100%;
  display: block;
}

.card-4 {
  position: absolute;
  width: 25%;
  top: 24%;
  right: 6%;
  z-index: 6;
}

.card-4 img {
  width: 100%;
  height: 100%;
  display: block;
}

.nail-right {
  position: absolute;
  width: 3%;
  top: 29%;
  right: 7%;
  z-index: 12;
}

.nail-right img {
  width: 100%;
  height: 100%;
  display: block;
}

.plane {
  position: absolute;
  width: 15%;
  top: 3%;
  left: 11%;
  z-index: 7;
  display: none;
}

.plane img {
  width: 100%;
  height: 100%;
  display: block;
  transform: scaleX(-1);
}
/* 内容区样式 */
.main {
  width: 100%;
  height: auto;
  
  padding: 0 20px;
}

.item {
  position: relative;
  margin: 0 auto;
}
.item1,
.item2,
.item {
  width: 75%;
  margin: 0 auto;
  margin-bottom: 100px;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.item1 {
  position: relative;
  z-index: 12;
  background: linear-gradient(
    to bottom,
    var(--dark-blue) 0%,
    var(--light-blue) 100%
  );
  opacity: 0.9;
  margin-top: -28%;
  padding: 20px 20px 40px 20px;
}

.item1 ul {
  display: grid;
  grid-template-columns: 1.2fr 0.5fr 0.6fr;
  width: 100%;
  list-style: none;
  padding: 0;
  margin: 0;
  min-width: 0;
  height: auto;
}

.item1 .carousel {
  position: relative;
  overflow: hidden;
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  background-color: rgba(255, 255, 255, 0.05);
}

.item1 .carousel .i-slider1 {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.item1 .carousel .sliderInner {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.item1 .carousel .swiper-wrapper {
  width: 100%;
  height: 100%;
  display: flex;
  position: relative;
  box-sizing: border-box;
}

.item1 .carousel .swiper-slide {
  flex-shrink: 0;
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.item1 .carousel .swiper-slide a {
  display: block;
  width: 100%;
  height: 100%;
}

.item1 .carousel .swiper-slide img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.item1 .carousel .carousel-caption {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  padding: 15px 20px;
  z-index: 10;
}

.item1 .carousel .carousel-caption p {
  color: var(--text-white);
  font-size: 18px;
  text-align: left;
  margin: 0;
  padding-bottom: 10px;
}

.item1 .carousel .slider-cur {
  position: absolute;
  left: 0;
  bottom: 10px;
  width: 100%;
  text-align: center;
  z-index: 20;
}

.item1 .carousel .swiper-pagination-bullet {
  display: inline-block;
  width: 40px;
  height: 3px;
  margin: 0 5px;
  background-color: var(--text-white);
  opacity: 0.5;
  cursor: pointer;
  transition: opacity 0.3s ease;
  border-radius: 0;
}

.item1 .carousel .swiper-pagination-bullet-active {
  opacity: 1;
}

.item1 .img-text {
  display: flex;
  flex-direction: column;
  margin: 0 15px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  background-color: rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

.item1 .img-text a {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
}

.item1 .img-text img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  display: block;
  object-fit: cover;
}

.item1 .img-text p {
  margin-top: 5px;
  flex: 1;
  line-height: 1.5;
  text-align: left;
  font-size: 20px;
    padding-left: 10px;
  color: var(--text-white);
}

.item1 .paragraphs {
  /* height: 450px; */
   padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  background-color: rgba(255, 255, 255, 0.05);
}

.item1 .paragraphs a {
  display: flex;
  align-items: center;
  min-height: 80px;
  text-decoration: none;
}

.item1 .paragraphs a p {
  font-size: 20px;
  color: var(--text-white);
  text-align: left;
  line-height: 1.5;
  margin: 0;
}

.item1 .paragraphs .line {
  height: 1px;
  background-color: #ddd;
  margin: 20px 0;
}

.item2 {
  background-color: #a9a6f5;
  opacity: 0.85;
   padding: 0 30px 20px 30px;
}

.item2 ul {
  display: grid;
  grid-template-columns: 48% 23% 25%;
  gap: 2%;
  list-style: none;
  padding: 0;
  margin: 0;
  position: relative;
  top: -20px;
  height: auto;
  min-height: 488px;
}

.item2 p {
  font-size: 20px;
}
.item2 .col1 {
  display: flex;
  flex-direction: column;
  gap: 2%;
}

.item2 .col1 .row1 {
  height: 75%;
  display: flex;
  gap: 0;
}

.item2 .col1 .row1 a {
  display: flex;
  width: 100%;
  height: 100%;
  text-decoration: none;
}

.item2 .col1 .row1 .img-box {
  width: 60%;
  height: 100%;
  overflow: hidden;
}

.item2 .col1 .row1 .img-box img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.item2 .col1 .row1 .img-box img:hover {
  transform: scale(1.05);
}

.item2 .col1 .row1 .text-box {
  width: 40%;
  height: 100%;
  background-color: var(--text-white);
  padding: 10px;
  display: flex;
  align-items: flex-start;
}

.item2 .col1 .row1 .text-box p {
  text-align: left;
  line-height: 1.5;
  margin: 0;
}

.item2 .col1 .row2 {
  height: 30%;
  background-color: var(--accent-blue);
  padding: 10px;
  display: flex;
  align-items: center;
}

.item2 .col1 .row2 p {
  color: var(--text-white);
  margin: 0;
}

.item2 .col2 {
  display: flex;
  gap: 2%;
}

.item2 .col2 .img-box {
  height: 50%;
  overflow: hidden;
}

.item2 .col2 .img-box img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.item2 .col2 .img-box img:hover {
  transform: scale(1.05);
}

.item2 .col2 .text-box {
  height: 50%;
  background-color: var(--text-white);
  padding: 10px;
  display: flex;
  align-items: center;
}

.item2 .col2 .text-box p {
  text-align: left;
  line-height: 1.5;
  margin: 0;
}

.item2 .col3 {
  display: flex;
  flex-direction: column;
  gap: 4%;
}

.item2 .col3 .para {
  height: 35%;
  padding: 10px;
  display: flex;
  align-items: center;
}

.item2 .col3 .para.para1 {
  background-color: var(--accent-orange);
}

.item2 .col3 .para.para1 p {
  color: var(--text-white);
  text-align: left;
  line-height: 1.5;
  margin: 0;
}

.item2 .col3 .para.para2 {
  background-color: var(--accent-blue);
}

.item2 .col3 .para.para2 p {
  color: var(--text-white);
  text-align: left;
  line-height: 1.5;
  margin: 0;
}

.item2 .col3 .para.para3 {
  background-color: var(--accent-bg);
  margin-bottom: 0;
}

.item2 .col3 .para.para3 p {
  color: var(--text-dark);
  text-align: left;
  line-height: 1.5;
  margin: 0;
}

.item2 p {
  margin: 0;
  line-height: 1.5;
}

.item3 {
  background-color:#a9a6f5;
 padding: 0 30px 20px 30px;
}

.item3 ul {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  list-style: none;
  padding: 0;
  margin: 0;
  position: relative;
  top: -20px;
  height: auto;
}

.item3 ul li {
  display: flex;
  flex-direction: column;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  transition: all 0.3s ease;
}
.item3 ul li:hover {
  background-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.item3 ul li a {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.item3 ul li img {
  display: block;
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-top-left-radius: 6px;
  border-top-right-radius: 6px;
  transition: transform 0.3s ease;
}

.long ul li img { height:425px;}

/*.item3 ul li img:hover {
  transform: scale(1.05);
}*/

.item3 ul li p {
  margin: 10px 0 0 0;
  padding: 10px;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--text-white);
  text-align: left;
}



.item4 {
  background-color: #a9a6f5;
 padding: 0 30px 40px 30px;
}
.item4 p {
  font-size: 20px;
}
.item4 ul {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  list-style: none;
  padding: 0;
  margin: 0;
  position: relative;
  top: -20px;
  height: auto;
  min-height: 350px;
}

.item4 ul li {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  list-style: none;
  margin: 0;
  padding: 0;
}

.item4 ul li:hover {
  transform: translateY(-6px);
}

.item4 a {
  height: 100%;
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.item4 .img-box {
  width: 100%;
  height: auto;
  min-height: 360px;
  overflow: hidden;
  position: relative;
}

.item4 .img-box img {
  width: 100%;
  height:360px;
  object-fit: cover;
  transition: transform 0.3s ease;
  /* aspect-ratio: 4 / 3; */
  display: block;
}

.item4 ul li:hover .img-box img {
  transform: scale(1.08);
}

.item4 .text-box {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.8) 0%,
    rgba(0, 0, 0, 0.6) 70%,
    transparent 100%
  );
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 2;
}

.item4 .text-box p {
  font-size: 18px;
  line-height: 1.6;
  font-weight: 500;
  color: #fff;
  margin: 0;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px;
}

.item-icon {
  margin-top: -90px;
  width: 280px;
}

.item-icon img {
  width: 100%;
  height: 100%;
  display: block;
}

.item-title {
  margin-top: -10px;
  text-align: right;
}

.item-title a {
  text-decoration: none;
}

.item-title h3 {
  margin: 0;
  padding: 0;
  font-size: 42px;
  color: #fcf577;
  font-weight: 700;
  font-style: italic;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.bottom {
  z-index: 1;
  margin-top: -25%;
}

.bottom img {
  width: 100%;
  height: 100%;
}

.scroll-to-top {
  position: fixed;
  bottom: 15%;
  right: 30px;
  width: 50px;
  height: 50px;
  background: #a7a7a7;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease,
    transform 0.3s ease,
    background 0.3s ease;
  z-index: 1000;
}

.scroll-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-to-top:hover {
  background-color: #cfcfcf;
  transform: translateY(-5px);
}

.scroll-to-top:active {
  transform: translateY(-2px);
}

.scroll-to-top img {
  width: 24px;
  height: 24px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}
@media screen and (max-width: 1400px) {
  .item-title h3 {
    font-size: 30px;
  }
  .item2 p {
    font-size: 16px;
  }
  .item3 ul li p {
    font-size: 16px;
  }
  .item4 p {
    font-size: 16px;
  }
  .item1 .carousel .swiper-slide {
    margin-right: 0px;
  }
}
@media screen and (max-width: 1024px) {
  .item1,
  .item2,
  .item3,
  .item4,
  .item {
    width: 85%;
    padding: 20px;
  }

  .item1 ul {
    grid-template-columns: 1fr;
  }

  .item1 .img-text {
    padding: 0;
    margin: 0;
    margin-top: 25px;
    height: auto;
  }
   .item1 .img-text p {
    padding: 10px;
  }

  .item1 .paragraphs {
    margin-top: 25px;
    height: auto;
  }

  .item2 ul {
    grid-template-columns: 1fr;
    gap: 2%;
	padding-bottom:10%;
  }
  .item2 .col2 a {
    width: 100%;
  }
  .item2 .col3 {
    gap: 10%;
    margin-bottom: 10%;
  }
  .item3 ul {
    grid-template-columns: repeat(2, 1fr);
  }

  .item4 ul {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .item4 a {
    max-height: 450px;
  }
  .item4 .col2 {
    margin: 20px 0;
  }
  .item4 .col2 .img-box {
    height: 65%;
  }
  .item4 .col2 .text-box {
    height: 35%;
  }
  .item4 .col3 .img-box {
    height: 65%;
  }
  .item4 .col3 .text-box {
    height: 35%;
  }
  .item-header {
    flex-direction: column;
    align-items: center;
    margin-bottom: 20px;
  }

  .item-icon {
    margin-top: -70px;
    width: 200px;
  }

  .item-title {
    margin-top: 10px;
  }

  .item-title h3 {
    font-size: 32px;
  }
}

@media screen and (max-width: 768px) {
  .container {
    width: 100%;
	background:url(../images/wapbanner.png) top center no-repeat #4a55d3;
	background-size:100%
  }
  .header{ height:200px;}
  .item1,
  .item2,
  .item3,
  .item4,
  .item {
    width: 90%;
  }
  .main {
    padding: 0 10px;
  }

  .item {
    margin-bottom: 50px;
  }
  

  
  .item1 .carousel {
    height: 250px;
  }

  .item1 .carousel .carousel-caption p {
    font-size: 14px;
  }

  .item1 .img-text img {
    height: 200px;
  }

  .item1 .img-text p {
    font-size: 16px;
  }

  .item1 .paragraphs a p {
    font-size: 16px;
  }

  .item2 .col1 .row1 {
    flex-direction: column;
  }

  .item2 .col1 .row1 .img-box {
    width: 100%;
    height: 200px;
  }

  .item2 .col1 .row1 .text-box {
    width: 100%;
  }

  .item2 .col1 .row1 .text-box p {
    font-size: 16px;
  }

  .item2 .col1 .row2 p {
    font-size: 16px;
  }

  .item2 .col2 .text-box p {
    font-size: 16px;
  }

  .item2 .col3 .para p {
    font-size: 16px;
  }

  .item3 ul {
    grid-template-columns: 1fr;
    padding-bottom: 10%;
  }

  .item3 ul li p {
    font-size: 16px;
  }

  .item4 ul {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .item4 .text-box h3 {
    font-size: 18px;
  }

  .item-title h3 {
    font-size: 24px;
  }

  .scroll-to-top {
    width: 40px;
    height: 40px;
    bottom: 10%;
    right: 20px;
  }

  .scroll-to-top img {
    width: 20px;
    height: 20px;
  }
}

@media screen and (max-width: 480px) {
  .title {
    width: 85%;
  }
  .card-1 {
    width: 30%;
    top: 33%;
    left: 3%;
  }
  .nail-left {
    top: 35%;
    left: 8%;
  }
  .card-2 {
    top: 40%;
    left: 25%;
    width: 30%;
  }
  .card-3 {
    width: 30%;
    top: 46%;
    right: 20%;
  }
  .card-4 {
    width: 28%;
    top: 34%;
    right: 0%;
  }
  .nail-right {
    top: 40%;
    right: 2;
  }
  .item1,
  .item2,
  .item3,
  .item4,
  .item {
    width: 95%;
  }
  .item1 {
    margin-top: -15%;
  }

  .item1 .carousel {
    height: 200px;
  }

  .item4 ul {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .item4 .img-box {
    height: 280px;
  }

  .item4 .text-box {
    padding: 25px;
  }

  .item4 .text-box h3 {
    font-size: 18px;
  }

  .item4 .text-box p {
    font-size: 14px;
  }

  .item-title h3 {
    font-size: 20px;
  }

  .item-icon {
    width: 150px;
  }
}