:root {
  /* 主色 */
  --mainColor: #ce993d;
  /* 主色的浅色 */
  --mainColorLight: #856130;
  /* 主色的深色 */
  --mainColorDark: #856130;
  /* 主色的背景色 */
  --mainColorBackground: #ffffff;
  /* 主色的边框色 */
  --mainColorBorder: #32aadd48;
  /* 线条颜色 */
  --lineColor: #dfdfdf;
  /* 主色的文字颜色 */
  --mainColorText: #333333;
  /* 最大宽度 */
  --width: 1200px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  width: 100%;
}

body {
  font-family: "Microsoft YaHei", Arial, sans-serif;
  overflow-x: hidden;
  width: 100%;
}

.container {
  max-width: var(--width);
  margin: 0 auto;
  padding: 0;
}

.page-section {
  height: 100vh;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding-top: 0;
  overflow-y: auto;
  min-height: 800px;
}

#section1 {
  background-image: url("../images/bg_1_2.png");
  margin-top: 0;
  padding-top: 100px;
}

#section2 {
  /* background-image: url("../images/bg_2.png"); */
  background-image: url("../images/bg_2.jpg");
}

#section3 {
  background-image: url("../images/bg_3.png");
}

#section4 {
  /* background-image: url("../images/bg_4.png"); */
  background-image: url("../images/bg_4.jpg");
}

#section5 {
  background-image: url("../images/bg_5.png");
  min-height: 100vh;
  height: auto;
}


@media screen and (max-width: 768px) {
  :root {
    --width: 100%;
  }

  html {
    font-size: 14px;
    width: 100%;
    height: 100%;
    display: block;
  }

  body {
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    min-height: 100vh;
    padding-top: 80px;
  }


  .container {
    max-width: var(--width);
    margin: 0 auto;
    padding: 0;
    width: 100%;
    box-sizing: border-box;
  }

  .page-section {
    height: auto;
    padding: 100px 0;
  }
}