/* html，body */
@charset "UTF-8";

 .clearfix::before,
 .clearfix::after{
     content: "";
     display: table;
     clear: both;
 }
 /* 字体 */
 main .content .h3 {
  font-size: 2rem;
 }
 div.h2, div.h3 {
  font-family: "montserrat-bold";
  font-weight: 800;
  margin-bottom: 0.4em;
  margin-top: 1rem;
 } 
 div.h2.larger {
  font-size: 2.5rem;
 }
 
/* main */
 main {
  margin-top: -5px;
  width: 100%;
  background-color: #FAFAFC;
  z-index: 10;
  position: relative;
  padding-bottom: 50px;
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  justify-content: space-evenly;
 } 
 main::after {
  content: "";
  clear: both;
  display: table;
 } 
 @media (max-width: 800px) {
  main {
    justify-content: center;
  }
 }
 
/* content  文字内容*/
 .content {
  padding: 64px;
  border-radius: 5px;
  box-shadow: 0 0 10px lightgray;
  color: #121212;
  margin-top: 40px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  font-family: "lato-light";
 } 
 @media (max-width: 800px) {
  .content {
    margin: 0 auto;
    box-shadow: unset;
    padding: 35px;
    width: 100%;
    box-sizing: border-box;
  }
 } 
 @media (max-width: 400px) {
  .content {
    padding: 20px;
  }
 } 
/* 高亮 */
 .content a {
  color: #2e64ec;
  text-decoration: none;
  text-align: center;
  cursor: pointer;/* 鼠标小手 */
 } 
 /* 上标 、注释*/
 .content a.citation {
  font-size: 0.6em;
  vertical-align: super;
 } 
 /* 加粗 */
 .content p b {
  font-family: "lato-regular", sans-serif;
  color: #000;
 } 
 /* 高亮 */
 .content p a:not(.citation) {
  text-decoration: none;
  font-variant-position: normal;
  color: #121212;
  box-shadow: inset 0 -0.5em 0 -1px #fcbd1b;
  transition: 0.3s ease-out;
 } 
 .content p a:not(.citation):hover {
  box-shadow: inset 0 -1.2em 0 -1px #fcbd1b;
 }
 _:future {
  transition-duration: unset;
 } 
 /* main、字体 */
 main {
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: unset;
  padding-bottom: 70px;
  margin-top: unset;
 } main .h3 {
  text-align: left;
  font-size: 1.5rem;
 } @media (max-aspect-ratio: 1/1) {
  main .h3 {
    font-size: 1.2rem;
  }
 } 
 
 /* 动画大窗格 */
 main .scrollBlock {
  pointer-events: none;/* 鼠标点击不到 */
  height: 80vh;
  width: 90vw;
  display: grid;
  grid-template-columns: 16px auto 45vw;
  grid-template-rows: 1fr;
  column-gap: 10px;
  position: -webkit-sticky;
  position: sticky;
  top: 10vh;
 } 
/* 动画容器 */
 main .scrollBlock .scrollItem {
  grid-column-start: 3;
  grid-column-end: 4;
  grid-row-start: 1;
  grid-row-end: 2;
  align-self: center;
  height: 440px;
  display: flex;
  align-items: center;
  justify-content: center;
 } 
 @media (max-aspect-ratio: 1/1) {
  main .scrollBlock .scrollItem {
    grid-column-start: 3;
    grid-column-end: 4;
    grid-row-start: 1;
    grid-row-end: 2;
    box-shadow: 0 0 10px lightgrey;
    background-color: #FAFAFC;
    border-radius: 5px;
    padding: 30px;
    box-sizing: border-box;
  }
 } 
 /* 内含有svg动画 */
 main .scrollBlock .scrollItem > div {
  width: 100%;
  height: 100%;
 } 
 
 /* 自动判断横竖比 */
 @media (max-aspect-ratio: 1/1) {
  main .scrollBlock {
    grid-template-columns:16px auto 16px;
    grid-template-rows: 40vh 5vh;
    margin-left: 16px;
    height: 45vh;
    top: 1vh;
  }
  main .scrollBlock .scrollItem {
    grid-column-start: 2;
    grid-column-end: 3;
    width: 70vw;
    height: 35vh;
    justify-self: center;
  }
 }
 
 /* 内容块 */
 .scrollAnim {
  width: 90vw;
  display: grid;
  grid-template-columns: 16px auto 45vw;
  grid-template-rows: 1fr;
  column-gap: 10px;
 } 
 /* 最后一块 */
 .scrollAnim.lastPad {
   height: 35vh;
 }
  @media (max-aspect-ratio: 1/1) {
  .scrollAnim.lastPad {
    display: none;
  }
 } 

 /* 内容容器 */
 .scrollAnim .content {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  grid-column-start:2;
  grid-column-end:3;
  grid-row-start: 1;
  grid-row-end: 2;
  align-self: center;
  justify-self: stretch;
  padding: 40px;
  margin-top: 0;
  background-color: #FAFAFC;
  margin-bottom: 64px;
 } 
 .scrollAnim .content .h2 {
  font-size: 2.4rem;
  margin: 0 0 16px;
 } 
 .scrollAnim .content .h2:empty {
  margin: 0;
 } 
 .scrollAnim .content .h3 {
  font-size: 1.5rem;
  margin: 0 0 8px;
 } 
 .scrollAnim .content p {
  margin-bottom: 0;
 } .scrollAnim .content sub {
 
  font-size: 0.7rem;
 } 
 @media (max-width: 480px) {
  .scrollAnim .content sub {
    font-size: 0.6rem;
  }
 }
  @media (max-width: 800px) {
  .scrollAnim .content {
    box-shadow: 0 0 10px lightgrey;
  }
 } 
 
 @media (max-aspect-ratio: 1/1) {
  .scrollAnim {
    grid-template-columns: 16px auto 16px;
    grid-template-rows: auto;
    margin-left: 16px;
  }
  .scrollAnim .content {
    width: 70vw;
    box-shadow: 0 0 10px lightgrey;
    padding: 20px;
  }
 }
 p, main .content > p {
  /* font-family: "lato-light"; */
  margin: 0;
  /* font-size: 1.2rem; */
  /* line-height: 1.5; */
 } 
 @media (max-width: 480px) {
  p, main .content > p {
    font-size: 1rem;
  }
 }