html {
  scroll-padding-top: calc(100px + 5px);
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
::-webkit-scrollbar {
  display: none;
}
body {
  position: relative;
  width: 100vw;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ====================== 
main大容器
==================  */

.main {
  display: flex;
  max-width: 100vw;
  margin: 50px 0;
  margin-bottom: 150px;
  padding-right:70px;
  justify-content: center;
}



/* ====================== 
menu中容器
==================  */
/* menu内容（详见 menu.css） */
/* ------------------------------------------------ */


/* ------------------------------------------------ */
/* 页面文本内容 */
.main #content {
  position: relative;
  flex: 1;
  max-width: 60vw;;
  padding: 10px 70px 30px 30px;
  border-radius: 20px;
  transition: width 0.5s;
  left: 3vw;
}
.main #content::before {
  content: "";
  display: block;
  position: absolute;
  z-index: -1;
  width: 100%;
  height: 100%;
  border-radius: 20px;
  top: 20px;
  left: 15px;
}
.main #content .s1 {
  margin: 30px 0;
  width: 100%;
}
.main #content .s1.ref p {
  text-indent: 0;
  font-size: 0.8em;
  text-align: left;
}
.main #content .s1 p {
  padding-left: 40px;
}
.main #content .s2 {
  margin: 20px 0;
  width: 100%;
}
.main #content .s2 p {
  padding-left: 70px;
}
.main #content .math {
  width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  padding-left: 40px;
}
.main #content .h1-wrap {
  width: -moz-fit-content;
  width: fit-content;
  position: relative;
  margin: 40px 0 0 0;
  padding-left: 10px;
}
.main #content .h1-wrap h1 {
  padding: 2px;
  letter-spacing: 0.02em;
  padding-left: 10px;
  opacity: 1 !important;
}
.main #content h2 {
  /* margin: 30px 20px; */
  opacity: 1 !important;
  margin: 20px 0 0 20px;
  line-height: 35px;
}
.main #content p {
  width: 100%;
  margin: 15px 0;
  text-align: justify;
  /* text-indent: 2em; */
  line-height: 1.5em;
}
.main #content p.no-indent {
  text-indent: 0;
}

/* .main #content img,
.main #content video {
  vertical-align: bottom;
  max-width: 100%;
  height: 400px;
  -o-object-fit: cover;
  object-fit: cover;
  -o-object-position: center;
  object-position: center;
} */
.main #content .img-wrap {
  width: 100%;
  display: flex;
  margin: 20px 0 25px 0;
  padding-left: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 10px;
  /* transform: scale(0.7); */
  /* margin-top: 10px;
  margin-bottom: 10px; */
  /* margin: -70px 0; */
}
.main #content .img-wrap img {
  object-fit: contain;
  /* transform: scale(0.5); */
  width: 100%;
  /* min-width: 50vw; */
  padding: 10px;
}

/* 此处为内容框内图片背景颜色 */
.main #content .img-wrap .border {
  position: relative;
  width: -moz-fit-content;
  width: 100%;
  height: -moz-fit-content;
  /* height: fit-content; */
  border: 2.5px solid var(--y);
  box-shadow: 5px 6px var(--y);
  overflow: hidden;
  background-color: #fff;
}

.main #content .img-wrap .disc {
  font-size: 0.8em;
}
.main #content .o-o {
  display: flex;
  gap: 20px;
}

/* 以下为content样式 */
#content h3 {
  margin: 15px 0 0 55px;
}

#content .info {
  margin: 20px 0;
  margin-left: 40px;
  padding: 10px 20px;
  border-radius: 5px;
  background-color: var(--shy);
  border: none;
}

#content .info.g {
  background-color: var(--lg);
  border: 1px solid var(--dg);
}

#content .info.g {
  background-color: #c6004bbf;
  border: none;
}

#content .info .title {
  font-family: NeoGroTesk-bold;
  color: #f7faff;
}

#content .info p {
  padding-left: 0 !important;
  color: #f7faff;
}

#content b {
  font-family: 'NeoGroTesk-light';
}

/* ------------------------------------------------ */
/* 以下为gotop元素相关样式 */

#gotop {
  position: fixed;
  bottom: min(30px, 4vw);
  right: min(30px, 4vw);
  height: 90px;
  transition: height 0.5s;
  z-index: 100000;
  right: 20px;
  user-select: none;
  cursor: pointer;
}

/* 图片 */
#gotop img {
  height: 100%;
  width: auto;
  object-fit: contain;
  object-position: center;
}

/* 文字 */
#gotop .text-wrap {
  user-select: none;
  opacity: 0;
  transition: 0.5s;
  position: absolute;
  top: 62%;
  left: 50%;
  transform: translateX(-50%);
  /* 这里改字体 */
  font-family: 'Titan';
  color: #fcfdfa;
  font-size: min(15px, 1vw);
  display: flex;
  flex-direction: column;
  align-items: center;
}

#gotop .text-wrap * {
  text-wrap: nowrap;
}

/* 图片遮挡 */
#gotop:hover .text-wrap {
      opacity: 1;
}


/* ------------------------------------------------ */

@media all and (max-width: 700px), all and (max-aspect-ratio: 2/3) {
  .main #content{
    max-width: 80vw;
  }
}