/* 这是引入了一些字体 */
@import url('https://fonts.googleapis.com/css?family=Poppins:300,400,500,600,700,800,900&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
  /* 当用户手动导航或者 CSSOM scrolling API 触发滚动操作时 */
  scroll-behavior: smooth;
}
.QRimage{
  width: 468px;
  height: 468px;
}
body {
  min-height: 100vh;
  overflow-x: hidden;
  background: linear-gradient(#2b1055, #7597de);
}
.list{
  display: flex;
}
.list li{
  list-style:armenian;
  margin-left: 20px;
}
header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  padding: 30px 100px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 10000;
}

header .logo {
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  font-size: 2em;
  text-transform: uppercase;
  /* 大写 */
  letter-spacing: 2px;
  /* 字符间距 */
}

header ul {
  display: flex;
  justify-content: center;
  align-items: center;
}

header ul li {
  list-style: none;
  margin-left: 20px;
}

header ul li a {
  text-decoration: none;
  padding: 6px 15px;
  color: #fff;
  border-radius: 20px;
}

header ul li a:hover,
header ul li a.active {
  background: #fff;
  color: #2b1055;
}

section {
  position: relative;
  width: 100%;
  height: 100vh;
  padding: 100px;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

section::before {
  content: '';
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 100px;
  background: linear-gradient(to top, #1c0522, transparent);
  z-index: 1000;
}

section img {
  position: absolute;
  image-rendering: auto;
  shape-rendering: auto;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  /* object-fit CSS 属性指定可替换元素（例如：<img> 或 <video>）的内容应该如何适应到其使用高度和宽度确定的框。 */
  object-fit: cover;
  pointer-events: none;
}

section img#moon {
  /* mix-blend-mode CSS 属性描述了元素的内容应该与元素的直系父元素的内容和元素的背景如何混合。 */
  mix-blend-mode: screen;
}

section img#mountains_front {
  z-index: 10;
}

.sponsor-container {
  position: relative;
  display: inline-block;
}

.sponsor-container2 {
  position: relative;
  display: inline-block;
}

.sponsor-image {
  display: none;
  position: absolute;
  top: 130%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  width: 300px;
  /* 根据需要调整图片大小 */
  height: auto;
  border: 1px solid #ccc;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  border-radius: 2%;
  image-rendering: auto;
}

.sponsor-image2 {
  display: none;
  position: absolute;
  top: 150%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  width: 200px;
  /* 根据需要调整图片大小 */
  height: auto;
  border: 1px solid #ccc;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  border-radius: 2%;
  image-rendering: auto;
  /*background-color: #ccc*/
  ;
}

.sponsor-container:hover .sponsor-image {
  display: block;
}

.sponsor-container2:hover .sponsor-image2 {
  display: block;
}

#text1,
#text2 {
  position: absolute;
  right: -550px;
  color: #fff;
  white-space: nowrap;
  font-size: 7.5vw;
  z-index: 9;
}

#btn {
  text-decoration: none;
  display: inline-block;
  padding: 8px 30px;
  border-radius: 40px;
  background: #fff;
  color: #1c0522;
  font-size: 1.5em;
  z-index: 9;
  transform: translateY(100px);
}

#textToCopy {
  color: #19df23;
  background-clip: content-box;
  background-color: rgb(255, 255, 255);
}

#copyTextBtn {
  padding: 4px 15px;
  border-radius: 20px;
}

.sec {
  position: relative;
  padding: 100px;
  background: #1c0522;
}

.sec h2 {
  font-size: 3.5em;
  margin-bottom: 10px;
  color: #fff;
}

#text-to-copy {

  display: inline-block;
  /* 让文本和按钮在同一行 */
  font-size: 30px;
  color: #ffffff;
  margin: auto 10px;
  /* 去掉默认的外边距 */
}

.a{

  display: inline-block;
  /* 让文本和按钮在同一行 */
  font-size: 40px;
  color: #ffffff;
  margin: 0;
  /* 去掉默认的外边距 */

}

#copy-button,
#copy-button2 {
  background-color: #4CAF50;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 25px;
  cursor: pointer;
  transition: background-color 0.3s;
}

#copy-button:hover,
#copy-button2:hover {
  background-color: #37803b;
}

.scroll-container {
  width: 100%;
  image-rendering: auto;
  height: auto;
  overflow: hidden;
  white-space: nowrap;
  border: 2px solid #ccc;
  border-radius: 10px;
}

.scroll-content {
  display: inline-block;
  animation: scroll 20s linear infinite;
}

.scroll-content img {
  height: 600px;
  margin-right: 5px;
  border-radius: 5px;
}

@keyframes scroll {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}

#logo {
  height: 262px;
  width: 410px;
}

#back-to-top {
  display: none;
  /* 默认隐藏 */
  position: fixed;
  /* 固定在右下角 */
  bottom: 30px;
  right: 30px;
  z-index: 99;
  /* 确保按钮在最上层 */
  border: none;
  outline: none;
  background-color: #ffa24c;
  /* 按钮背景色 */
  color: white;
  /* 文字颜色 */
  cursor: pointer;
  padding: 20px;
  border-radius: 50%;
  /* 圆形按钮 */
  font-size: 18px;
  transition: background-color 0.3s ease;
  /* 悬停效果 */
}

#back-to-top:hover {
  background-color: #ffb875;
}

@media (max-width: 768px) {
  header {
    padding: 15px 20px;
    flex-direction: column;
    gap: 15px;
  }

  header .logo {
    font-size: 1.5em;
  }

  header ul {
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
  }

  header ul li {
    margin: 5px;
  }

  header ul li a {
    padding: 5px 12px;
    font-size: 14px;
  }

  section {
    padding: 20px;
  }

  #text1,
  #text2 {
    font-size: 12vw;
    right: -300px;
  }

  #btn {
    font-size: 1.2em;
    padding: 6px 20px;
  }

  .sec {
    padding: 50px 20px;
  }

  .sec h2 {
    font-size: 2em;
  }

  #logo {
    height: 150px;
    width: 235px;
  }

  .scroll-content img {
    height: 300px;
  }

  #text-to-copy {
    font-size: 18px;
    word-break: break-all;
  }

  .a {
    font-size: 24px;
  }

  #copy-button,
  #copy-button2 {
    padding: 8px 15px;
    font-size: 14px;
  }

  .sponsor-image {
    width: 200px;
  }

  .sponsor-image2 {
    width: 150px;
  }

  #back-to-top {
    padding: 15px;
    font-size: 14px;
    bottom: 20px;
    right: 20px;
  }

  .list {
    flex-direction: column;
  }

  .list li {
    margin-left: 0;
    margin-bottom: 10px;
  }
}

@media (max-width: 480px) {
  header .logo {
    font-size: 1.2em;
  }

  header ul li a {
    padding: 4px 10px;
    font-size: 12px;
  }

  #text1,
  #text2 {
    font-size: 10vw;
  }

  #btn {
    font-size: 1em;
    padding: 5px 15px;
  }

  .sec h2 {
    font-size: 1.5em;
  }

  #logo {
    height: 120px;
    width: 188px;
  }

  .scroll-content img {
    height: 200px;
  }

  #text-to-copy {
    font-size: 16px;
  }

  .a {
    font-size: 20px;
  }

  #back-to-top {
    padding: 12px;
    font-size: 12px;
  }
}