.sidebar-nav {
  margin-top: 20px;
  padding: 0;
  list-style: none;
}

body {
  background-color: #f7f7f7 !important;
}

.nav-list {
  align-items: flex-end;
  width: 100%;
  background-color: rgb(5, 46, 81);
  box-shadow: 0px 1px 2px rgba(5, 46, 81, 0.5);
}

.menu-icon {
  width: 25px;
  height: 25px;
  margin: 8px;
}

ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

li {
  float: left;
  text-decoration: none;
}

.nav-line {
  margin: 10px;
  float: inline-end;
  padding-inline-end: 5%;
  display: flex;

}
.lang-select{
 margin-right: 5px;
}

.lang-button {
  margin: 0;
  padding: 7px 10px;
  width: 100px;
  display: inline-block;
  color: #0e0e0e !important;
}

li a {
  display: block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

li a:hover {
  background-color: #111;
  color: white;
}

.common-image {
  cursor: pointer;
  max-width: 50vw;
  max-height: 25vw;
  display: block;
  margin: auto;
}

.button-image {
  cursor: pointer;
  max-width: 50vw;
  max-height: 25vw;
  display: block;
  display: block;
  margin: auto;
}

.button-image :hover {
  height: 110%;
  width: auto;
}

.icon {
  width: 25px;
  height: 25px;
}

section {
  font-size: medium;
  display: flex;
  flex-flow: row wrap;
  max-width: 60vw;
  width: fit-content;
  margin: auto;
  margin: auto;
  align-items: center;
}

.feature-image-container {
  width: 120px;
  height: 100px;
  box-shadow: 5px 5px 10px gray;
  border-radius: 50px;
}

.warning {
  padding: 20px;
  background-color: #ed928b;
  color: white;
  border-radius: 5px;
}

.message {
  padding: 20px;
  background-color: #82d690;
  color: white;
  border-radius: 5px;
}

.closebtn {
  margin-left: 15px;
  color: white;
  font-weight: bold;
  float: right;
  font-size: 22px;
  line-height: 20px;
  cursor: pointer;
  transition: 0.3s;
}

.closebtn:hover {
  color: black;
}


label {
  font-size: small;
  word-wrap: break-word;
  word-break: keep-all;
  overflow: hidden;
}

span {
  font-size: small;
}

.button {
  padding: 5px 20px;
  margin: 10px auto;
  float: right;
}

.nav {
  position: fixed;
  height: auto;
  width: 100%;
  opacity: 70;
  background: rgb(5, 46, 81);
}

.nav-content {
  width: 100%;
  padding-left: 20px;
  padding-right: 20px;
  height: fit-content;
  display: flex-start;
  align-items: center;
}

form {
  width: 80%;
}

#loading {
  position: absolute;
  left: 50%;
  top: 50%;
  background: none;
}

#logo {
  width: 60px;
  height: auto;
  padding-right: 10px;
}

#avatar {
  width: fit-content;
  height: fit-content;
}

#cat-label {
  padding: 10px;
  margin: 20px;
}

#greeting {
  align-self: center;
  height: 50px;
  width: fit-content;
  margin: 10px auto;
  padding: 10px 60px;
}

#greeting:empty {
  display: none;
}

.dice {
  width: 100px;
  height: 100px;
  cursor: pointer;
  position: relative;
}

#nav {
  height: 50px;
  width: 100%;
  vertical-align: middle;
}

.wrap {
  display: flex;
  justify-content: flex-start;
}

#log-in-area {
  margin: 30px;
  width: 90%;
  height: fit-content;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 10px;
  border: 3px solid whitesmoke;
  background-color: #f8f9fc;
  font-size: 32px;
}

#main_area {
  width: 100%;
  height: fit-content;
}

.common-area {
  background-color: white;
  margin-top: 50px;
  padding: 5%;
  width: 100%;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  user-select: none;
  font-size: 18px;
}

.feature-area {
  margin-top: 20px;
  padding: 5%;
  width: 100%;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  user-select: none;
  font-size: 18px;
}

.horizon-div>span {
  align-self: center;
  margin-top: 10px;
  margin-bottom: 10px;
  font-size: 18px;
  font-weight: bold;
  color: #0e0e0e;
  font-family: Georgia, "Times New Roman", Times, serif;
}

.comment-area {
  padding: 20px;
  background-color: #f1eeee;
}

.comment-area>span {
  font-size: 14px;
  font-weight: bold;
  color: #0e0e0e;
}

.scroll-area {
  width: 100%;
  height: 120px;
  overflow: hidden;
}

.wrapper {
  width: 100%;
  height: 100%;
  position: relative;
}

.wrapper>ul {
  list-style-position: inside;
  width: 100%;
  height: auto;
  position: absolute;
  animation: scroll 20s linear infinite;
}

.wrapper>ul>li {
  float: none;
  list-style-type: "+";
  display: list-item;
  width: 100%;
}

.wrapper>ul>li a {
  display: contents;
  color: rgb(5, 46, 81);
  text-align: left;

}

.wrapper>ul>li a:hover {
  text-decoration: underline;
  color: rgb(60, 130, 147);
}

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

  100% {
    transform: translateY(-100%);
  }
}

.scroll-area:hover .wrapper ul {
  animation-play-state: paused;
}


.common-area-boarder {
  margin-top: 50px;
  margin-left: 5%;
  margin-right: 5%;
  width: 90%;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  user-select: none;
  border-radius: 10px;
  border: 3px solid whitesmoke;
  background-color: #f8f9fc;
  font-size: 18px;
}

.airticle-content {
  margin: 25px;
}

.show-case {
  align-items: center;
  height: auto;
  box-shadow: 5px 5px 10px gray;
  border: 1px, solid #0e0e0e;
  margin-top: 50px;
  margin-bottom: 50px;
}

.show-case>span {
  align-self: center;
  margin-top: 50px;
  margin-bottom: 10px;
  font-size: 18px;
  font-weight: bold;
  color: #0e0e0e;
  font-family: Georgia, "Times New Roman", Times, serif;
}

.show-case-image {
  height: 100%;
  width: 100%;
}

.functions-box {
  height: auto;
  width: 100%;
  box-shadow: 5px 5px 10px gray;
  border: 1px, solid #0e0e0e;
  margin-top: 20px;
  margin-bottom: 20px;
}

.column {
  display: flex;
  flex-direction: column;
  margin: 15px;
}

.column>input {
  margin-top: 20px;
  margin-bottom: 20px;
}

@media screen and (max-width: 960px) {

  /* 手机端CSS代码 */
  .show-case {
    width: 80%;
  }

  .feature-case {
    width: 80%;
  }

  .airticle-content {
    width: 80%;
  }

  .product-case {
    width: 80%;
  }

  .word-content {
    width: 90%;
  }

  .sub-content {
    width: 100%;
  }

  .download-case {
    width: 80%;
  }

  li {
    width: 25%;
  }

  .empty-top {
    height: 230px;
  }

  .footer-content-row>span {
    font-size: small;
    padding-left: 10px;
    padding-right: 10px;
  }

  .nav-text {
    font-size: medium;
    text-decoration: none;
  }
}

@media screen and (min-width: 960px) {

  /* 电脑端CSS代码 */
  .show-case {
    width: 20%;
  }

  .airticle-content {
    width: 50%;
  }

  .feature-case {
    width: 20%;
  }

  .product-case {
    width: 50%;
  }

  .word-content {
    width: 90%;
  }

  .sub-content {
    width: 50%;
  }

  .download-case {
    width: 50%;
  }

  li {
    width: fit-content;
  }

  .empty-top {
    height: 210px;
  }

  .footer-content-row>span {
    font-size: medium;
    padding-left: 50px;
    padding-right: 50px;
  }

  .nav-text {
    font-size: normal;
    text-decoration: none;
  }
}


.feature-case {
  align-items: center;
  height: auto;
  padding: 10px;
}


.product-case {
  align-items: center;
  height: auto;
  padding: 10px;
}

.feature-image {
  width: 150px;
  height: 150px;
  margin: 20px;
}

.feature-title-span {
  color: black;
  font-size: 18px;
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
}

.feature-span {
  color: black;
  font-size: 16px;
  font-family: "Lucida Sans", "Lucida Sans Regular", "Lucida Grande",
    "Lucida Sans Unicode", Geneva, Verdana, sans-serif;
}

.word-content {
  padding-top: 5%;
  padding-left: 5%;
  padding-right: 5%;
  padding-bottom: 5%;
  align-items: center;
}

.sub-content {
  align-items: flex-end;
  padding-top: 5%;
  padding-bottom: 5%;
  padding-left: 5%;
  padding-right: 5%;
}

.big-image {
  width: 250px;
  height: 250px;
  margin: 30px;
}

#banner-bg {
  width: 100%;
  height: 100%;
}

.word-content>span {
  margin-top: 10px;
  margin-bottom: 10px;
  font-size: 18px;
  font-weight: bold;
  font-style: italic;
  color: #0e0e0e;
  font-family: Georgia, "Times New Roman", Times, serif;
}

.word-content-row {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.text-white {
  color: #f8f9fc;
}

.sub-content>span {
  margin-top: 5px;
  margin-bottom: 5px;
  font-size: 15px;
  font-weight: bold;
  font-style: normal;
  color: #0e0e0e;
  font-family: Georgia, "Times New Roman", Times, serif;
}

.line-wrap {
  width: 100%;
  height: fit-content;
  justify-content: space-around;
  display: flex;
  flex-wrap: wrap;
}

.banner {
  background-size: auto;
  background-image: url("../images/banner_bg.jpg");
}


input {
  outline-style: none;
  border: 1px solid #ccc;
  border-radius: 3px;
  padding: 13px 14px;
  width: 80%;
  font-size: 14px;
  font-weight: 700;
  font-family: "Microsoft soft";
}

input:focus {
  border-color: #66afe9;
  outline: 0;
  -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075), 0 0 8px rgba(102, 175, 233, .6);
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075), 0 0 8px rgba(102, 175, 233, .6)
}

.sub-tab {
  cursor: pointer;
  padding-left: 5px;
  padding-right: 5px;
  padding-top: 3px;
  padding-bottom: 3px;
  background-color: whitesmoke;
  border: 3px solid gray;
  border-radius: 5px;
  color: #259adb;
  width: auto;
  height: auto;
  align-self: center;
  margin: 10px auto;
}

.img-button {
  cursor: pointer;
}

.img-button:hover {
  height: 110%;
  width: 110%;
}

.sub-tab:hover {
  height: 110%;
  width: auto;
  background-color: #259adb;
  color: whitesmoke;
}

.label-tab {
  cursor: pointer;
  padding: 2px;
  color: #259adb;
  width: auto;
  height: auto;
  align-self: center;
  margin: 10px auto;
}

.cat-label-tab {
  cursor: pointer;
  padding: 2px;
  color: white;
  font-size: medium;
  width: auto;
  height: auto;
  align-self: center;
  margin: 10px auto;
}

.big-label {
  font-size: small;
  font-weight: bold;
  padding: 2px;
  color: #259adb;
  width: auto;
  height: auto;
  align-self: center;
  margin: 10px auto;
}


.horizon-div {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.horizon-div-fit {
  margin: 10px auto;
  width: fit-content;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.row-div-fit {
  margin: 10px auto;
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.row-div-fit>span {
  margin-top: 5px;
  margin-bottom: 5px;
  font-size: 15px;
  font-weight: bold;
  font-style: normal;
  color: #0e0e0e;
  font-family: Georgia, "Times New Roman", Times, serif;
}

.expand-width {
  width: 100%;
  height: weight;
}


#footer {
  height: auto;
}

.footer-content-row {
  display: inline-flex;
  justify-content: start;
  width: 100%;
}

.footer-blank {
  height: 50px;
}

.footer-end {
  height: 300px;
  width: 100%;
}

.footer-content-row>span {
  padding-top: 10px;
  padding-bottom: 10px;
  color: #f7f7f7;
  font-family: "Franklin Gothic Medium", "Arial Narrow", Arial, sans-serif;
}

.download-span {
  color: #0e0e0e;
  font-size: medium;
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
}

.tab {
  padding: 5px 20px;
  background-color: #259adb;
  border: 3px solid whitesmoke;
  color: azure;
  width: auto;
  height: auto;
  align-self: center;
  margin: 10px auto;
  font-size: medium;
}

.tab-nav {
  align-self: flex-start;
  color: black;
  padding: 5px 20px;
  width: fit-content;
  height: fit-content;
  font-size: x-large;
  margin: 10px auto;
  font-style: oblique;
}

.footer {
  height: 200px;
  width: 100%;
  background-color: #0e0e0e;
}

.container {
  padding-left: 40px;
  margin: 5px;
  width: 600px;
  height: 150px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin-left: 15px;
}

.container>a>span {
  margin-right: 10px;
  display: inline-block;
  font-size: 22px;
  font-family: "Impact", sans-serif;
  color: #e8e4e4;
}

.decoration-span {
  margin-right: 10px;
  display: inline-block;
  font-size: 22px;
  font-family: "Impact", sans-serif;
  color: #0e0e0e;
}

/* Material style */
button {
  margin: 20px;
  border: none;
  cursor: pointer;
  color: white;
  padding: 10px 40px;
  border-radius: 2px;
  font-size: 22px;
  box-shadow: 2px 2px 4px rgba(0, 0, 0, .4);
  background: #201f1f;
}

/* Ripple magic */
button {
  position: relative;
  overflow: hidden;
}

button:after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5px;
  height: 5px;
  background: rgba(255, 255, 255, .5);
  opacity: 0;
  border-radius: 100%;
  transform: scale(1, 1) translate(-50%);
  transform-origin: 50% 50%;
}

@keyframes ripple {
  0% {
    transform: scale(0, 0);
    opacity: 1;
  }

  20% {
    transform: scale(25, 25);
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: scale(40, 40);
  }
}

button:focus:not(:active)::after {
  animation: ripple 1s ease-out;
}