@charset "UTF-8";
/***
	create 2023/7/29
	Edit   2023/12/6
***/
@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400&display=swap");
@import url(../fonts/fonts.css);
html, body {
  margin: 0;
  padding: 0;
  font-family: "base64SegoeUI", "base64JfOpenhuninn", "Noto Sans TC", sans-serif;
  font-size: 36px;
  color: #2A2828;
  width: 100%;
  min-height: 100%;
  overflow-x: hidden;
}

* {
  box-sizing: border-box;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.3s;
}

img {
  max-width: 100%;
}

.flex {
  display: flex;
}

.flex-between {
  justify-content: space-between;
}

.flex-right {
  justify-content: flex-end !important;
}

.flex-align-center {
  align-items: center;
}

.flex-align-top {
  align-items: flex-start;
}

.text-center {
  text-align: center !important;
}

.text-right {
  text-align: right !important;
}

.text-left {
  text-align: left !important;
}

.text-bold {
  font-weight: bold !important;
}

.colorY1 {
  color: #FFE605;
}

.colorB2 {
  color: #009FC9;
}

.colorR {
  color: #E73513;
}

#app {
  height: 100%;
}

.wrap {
  width: 100%;
  margin: 0 auto;
  max-width: 1660px;
  padding: 0 30px;
}

.btn-float {
  position: fixed;
  width: 98px;
  height: 98px;
  border-radius: 100%;
  right: 30px;
  z-index: 90;
  background-color: #FFE605;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 30px;
  box-shadow: 5px 5px 4px 0px rgba(0, 0, 0, 0.4);
  line-height: 1.1;
}
.btn-float .icon {
  display: flex;
  width: 98px;
  height: 98px;
  border-radius: 100%;
  background-color: #FFE605;
  position: absolute;
  left: 0;
  top: 0;
  justify-content: center;
  align-items: center;
  transition: all 0.3s;
}
.btn-float.btnTop {
  bottom: 276px;
}
.btn-float.btn-menu1 {
  bottom: 163px;
}
.btn-float.btn-menu2 {
  bottom: 50px;
}

#header {
  padding: 20px 0 15px;
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  z-index: 99;
  background-color: #fff;
}
#header .wrap {
  display: flex;
  justify-content: space-between;
}
#header .logo {
  width: 390px;
  margin-top: 5px;
}
#header .btn-ham {
  display: none;
}
#header #menu {
  margin-top: 32px;
}
#header #menu ul {
  padding: 0;
  margin: 0;
  list-style: none;
  font-size: 21px;
  color: #0057A8;
}
#header #menu ul li a {
  position: relative;
}
#header #menu ul li a.sub-arrow::after {
  content: "";
  position: absolute;
  border-color: transparent;
  border-width: 8px;
  border-style: solid;
  border-radius: 5px;
}
#header #menu ul li.active > .sub {
  display: block;
}
#header #menu > ul {
  display: flex;
}
#header #menu > ul > li {
  vertical-align: top;
  position: relative;
}
#header #menu > ul > li > a {
  display: flex;
  align-items: center;
  padding: 0 10px;
  border-left: 2px solid #D6D6D6;
}
#header #menu > ul > li > a.sub-arrow {
  padding-right: 38px;
}
#header #menu > ul > li > a.sub-arrow::after {
  top: 20px;
  right: 12px;
  border-top-color: #0057A8;
}
#header #menu > ul > li > a i {
  width: 45px;
  height: 46px;
}
#header #menu > ul > li:first-child a {
  border-left: none;
}
#header #menu > ul > li > .sub {
  position: absolute;
  left: 0;
  top: 100%;
  width: 100%;
}
#header #menu > ul > li > .sub > li > a.sub-arrow {
  padding-right: 38px;
}
#header #menu > ul > li > .sub > li > a.sub-arrow::after {
  top: 25px;
  right: 20px;
  border-top-color: #009FC9;
}
#header #menu > ul > li > .sub > li > a::before {
  width: 7px;
  height: 7px;
  border-radius: 100%;
  background-color: #009FC9;
  position: absolute;
  content: "";
  left: 30px;
  top: 27px;
}
#header #menu .sub {
  background-color: #F5F5F5;
  display: none;
}
#header #menu .sub li {
  border-top: 1px solid #009FC9;
}
#header #menu .sub li:first-child {
  border-top: none;
}
#header #menu .sub li a {
  display: block;
  padding: 15px 20px 15px 45px;
}
#header #menu .sub .sub {
  background-color: #E1E1E1;
  border-top: 1px solid #009FC9;
}
#header #menu .sub .sub a {
  padding-left: 60px;
}

#footer {
  background-color: #0057A8;
  color: #fff;
  font-size: 16px;
  padding: 24px 0;
}
#footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
#footer .logo {
  width: 230px;
  margin: 12px 0 -20px;
}
#footer .counter {
  background-color: #009FC9;
  display: inline-block;
  border-radius: 50px;
  padding: 7px 20px;
  margin-bottom: 10px;
}
#footer p {
  width: 100%;
  margin: 0;
  text-align: right;
}
#footer p span {
  display: inline-block;
}
#footer p span::before {
  content: "";
  display: inline-block;
  vertical-align: top;
  margin: 3px 10px 0 12px;
  width: 1px;
  height: 17px;
  background-color: #fff;
}

#landing {
  background: url(../images/index_bg.png) no-repeat center top;
  background-size: cover;
  min-height: calc(100% - 114px);
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  padding-top: 117px;
  padding-bottom: 42px;
}
#landing .logo {
  width: 840px;
  margin: 0 auto;
  position: relative;
}
#landing .logo::after {
  width: 152px;
  height: 100px;
  content: "";
  background: url(../images/pic_rainbow.svg) no-repeat center center;
  background-size: contain;
  position: absolute;
  right: -80px;
  top: 0;
}
#landing .menu-group {
  display: flex;
  justify-content: space-between;
  max-width: 1440px;
  margin: 100px auto 0;
}
#landing .menu-group .menu-btn a {
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
  width: 550px;
  height: 550px;
  background-color: #3E6C6A;
  border: 15px solid #7A1E1E;
  color: #fff;
  text-align: center;
  border-radius: 100%;
  position: relative;
}
#landing .menu-group .menu-btn a .name {
  font-size: 70px;
}
#landing .menu-group .menu-btn a .name .text-lg {
  font-size: 100px;
  display: block;
}
#landing .menu-group .menu-btn a p {
  margin: 10px 0 0;
  font-size: 24px;
}
#landing .menu-group .menu-btn:first-child {
  margin-right: 175px;
}
#landing .menu-group .menu-btn:first-child a {
  padding-right: 100px;
}
#landing .menu-group .menu-btn:first-child a::before {
  content: "";
  width: 310px;
  height: 310px;
  background: url(../images/pic_book.svg) no-repeat center center;
  background-size: contain;
  position: absolute;
  left: -102px;
  top: -78px;
}
#landing .menu-group .menu-btn:first-child a::after {
  content: "";
  width: 343px;
  height: 566px;
  background: url(../images/pic_boy.png) no-repeat center center;
  background-size: contain;
  position: absolute;
  right: -172px;
  top: -32px;
}
#landing .menu-group .menu-btn:nth-child(2) {
  margin-left: 159px;
}
#landing .menu-group .menu-btn:nth-child(2) a {
  padding-left: 80px;
}
#landing .menu-group .menu-btn:nth-child(2) a::before {
  content: "";
  width: 186px;
  height: 302px;
  background: url(../images/pic_pencil.png) no-repeat center center;
  background-size: contain;
  position: absolute;
  right: -87px;
  top: 193px;
}
#landing .menu-group .menu-btn:nth-child(2) a::after {
  content: "";
  width: 332px;
  height: 459px;
  background: url(../images/pic_girl.png) no-repeat center center;
  background-size: contain;
  position: absolute;
  left: -159px;
  top: 70px;
}

#container {
  background: linear-gradient(180deg, #fff 0, #ffa9c8 12%, #FF80AD 80%);
  padding-top: 160px;
  position: relative;
  z-index: 2;
}
#container::before {
  width: 100%;
  display: block;
  height: calc(100vw / 1920 * 1138);
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  z-index: -1;
  background: url(../images/page_bg.png) no-repeat center top;
  background-size: 100% auto;
}
#container::after {
  width: 100%;
  display: block;
  height: calc(100vw / 1920 * 773);
  content: "";
  background: url(../images/bg_b.png) no-repeat center bottom;
  background-size: cover;
}

.page-top {
  width: 93%;
  margin: 0 auto;
  background-color: #3E6C6A;
  color: #fff;
  border-radius: 50px 50px 0 0;
  padding: 35px 50px 0;
  height: 300px;
  position: relative;
}
.page-top::before {
  position: absolute;
  width: 210px;
  height: 210px;
  content: "";
  left: -125px;
  top: -40px;
  background: url(../images/pic_book.svg) no-repeat center center;
  background-size: contain;
}
.page-top::after {
  width: 160px;
  height: 129px;
  position: absolute;
  content: "";
  right: -25px;
  top: -25px;
  background: url(../images/pic_rainbow.svg) no-repeat center center;
  background-size: contain;
}
.page-top .breadcrumbs {
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
  font-size: 16px;
  line-height: 23px;
}
.page-top .breadcrumbs li {
  display: inline-block;
  vertical-align: top;
}
.page-top .breadcrumbs li:first-child::before, .page-top .breadcrumbs li:nth-child(2)::before {
  display: none;
}
.page-top .breadcrumbs li::before {
  content: "/";
  display: inline-block;
  vertical-align: top;
}
.page-top .breadcrumbs li a {
  display: inline-block;
  vertical-align: top;
  padding: 0 5px 0 8px;
}
.page-top .breadcrumbs li a i {
  display: inline-block;
  vertical-align: top;
  width: 22px;
  margin-right: 2px;
}
.page-top .page-title {
  font-size: 45px;
  text-align: center;
}
.page-top .page-top-arrow {
  position: absolute;
  font-size: 40px;
  color: #fff;
  display: block;
  padding: 8px 25px 12px;
  border: 6px solid #7A1E1E;
  background-color: #FF794F;
  border-radius: 100px;
  top: 45%;
}
.page-top .page-top-arrow.page-top-prev {
  left: -91px;
}
.page-top .page-top-arrow.page-top-next {
  right: -91px;
}
.page-top #page-menu {
  font-size: 36px;
  text-align: center;
  position: absolute;
  width: 100%;
  left: 0;
  bottom: -50px;
  margin: 0;
  padding: 0;
  list-style: none;
  z-index: 5;
  display: flex;
  justify-content: center;
}
.page-top #page-menu > li {
  display: inline-block;
  margin: 0 5px;
  vertical-align: top;
  position: relative;
  flex: 1;
}
.page-top #page-menu > li > a, .page-top #page-menu > li > .select-menu {
  display: block;
  width: 100%;
  height: 111px;
  background: url(../images/menu_bg.png) no-repeat center center;
  padding-top: 56px;
  background-size: 100% 100%;
}
.page-top #page-menu > li > a.btnDisabled, .page-top #page-menu > li > .select-menu.btnDisabled {
  background-image: url(../images/menu_bg_disabled.png);
  cursor: not-allowed;
}
.page-top #page-menu > li .select-menu {
  position: relative;
}
.page-top #page-menu > li .select-menu::after {
  content: "";
  position: absolute;
  border-color: #fff transparent transparent transparent;
  border-width: 8px;
  border-style: solid;
  border-radius: 5px;
  right: 28px;
  top: 78px;
  z-index: 5;
}
.page-top #page-menu > li.active .sub {
  display: block;
}
.page-top #page-menu > li .sub {
  position: absolute;
  left: 3.5%;
  top: calc(100% - 56px);
  width: 92.5%;
  margin: 0;
  padding: 0;
  list-style: none;
  background-color: #2A2828;
  border-radius: 0 0 30px 30px;
  overflow: hidden;
  display: none;
}
.page-top #page-menu > li .sub li {
  border-top: 1px solid #fff;
}
.page-top #page-menu > li .sub li:first-child {
  border-top: none;
}
.page-top #page-menu > li .sub li:first-child a {
  padding-top: 1px;
}
.page-top #page-menu > li .sub li a {
  display: block;
  padding: 10px 20px;
}

.section {
  margin-top: 45px;
  position: relative;
  background-color: #fff;
  border-radius: 30px;
  border: 15px solid #7A1E1E;
  padding: 40px 50px 155px;
}
.section::before {
  position: absolute;
  height: 45px;
  width: 100%;
  content: "";
  background: url(../images/section_bg.png) no-repeat center top;
  background-size: 100% 100%;
  left: 0;
  top: -59px;
}
.section::after {
  position: absolute;
  width: 128px;
  height: 210px;
  background: url(../images/pic_boy2.png) no-repeat center center;
  background-size: contain;
  right: 45px;
  bottom: -118px;
  content: "";
  z-index: 5;
}
.section .top-title .date {
  font-size: 21px;
  color: #0057A8;
  margin-bottom: 10px;
  margin-top: 50px;
}
.section .top-title .date::before {
  width: 25px;
  height: 25px;
  background: url(../images/icon_calendar.svg) no-repeat center center;
  background-size: contain;
  margin-right: 8px;
  display: inline-block;
  vertical-align: top;
  content: "";
  margin-top: 2px;
}
.section .title {
  font-size: 40px;
  display: inline-flex;
  align-items: flex-end;
  margin-bottom: 40px;
  color: #7A1E1E;
}
.section .title::before {
  width: 130px;
  height: 130px;
  background: url(../images/title1.png) no-repeat center center;
  background-size: contain;
  content: "";
}
.section .title .line {
  display: flex;
  align-items: center;
  border-radius: 0 100px 100px 0;
  border-color: #6DA300 #6DA300 #6DA300 transparent;
  border-style: solid;
  border-width: 2px;
  margin-bottom: 8px;
  margin-left: -6px;
  padding: 0 55px 6px 43px;
}
.section .title .line .word {
  margin: 0 6px;
}
.section .title .line .word .pinyin {
  font-size: 36px;
}
.section .title.title2::before {
  background-image: url(../images/title2.png);
}
.section .title.title3::before {
  background-image: url(../images/title3.png);
}
.section .title.title4::before {
  background-image: url(../images/title4.png);
}
.section .title.title5::before {
  background-image: url(../images/title5.png);
}
.section .title.title-no-icon {
  display: block;
}
.section .title.title-no-icon::before {
  display: none;
}
.section .sub-title {
  background-color: #FFFBC6;
  font-size: 40px;
  padding: 20px 30px;
  color: #7A1E1E;
  margin: 30px 0;
  border-radius: 30px;
  font-weight: normal;
}
.section .select-block {
  margin-top: 45px;
  margin-left: 45px;
  display: inline-flex;
}
.section .select-block .select-box {
  display: inline-flex;
  font-size: 30px;
  padding: 15px 85px 15px 30px;
  border-radius: 35px;
  background-color: #6DA300;
  color: #fff;
  position: relative;
  cursor: pointer;
  width: 265px;
  z-index: 5;
}
.section .select-block .select-box::after {
  content: "";
  position: absolute;
  border-color: #fff transparent transparent transparent;
  border-width: 8px;
  border-style: solid;
  border-radius: 5px;
  top: 32px;
  right: 35px;
  z-index: 5;
}
.section .select-block .select-box ul {
  position: absolute;
  left: 0;
  top: -1px;
  width: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
  background-color: #6DA300;
  border-radius: 40px;
  overflow: hidden;
  display: none;
  z-index: 2;
}
.section .select-block .select-box ul li {
  border-top: 1px solid #fff;
}
.section .select-block .select-box ul li input {
  display: none;
}
.section .select-block .select-box ul li input:checked + label {
  background-color: #5c8a00;
}
.section .select-block .select-box ul li label {
  display: block;
  padding: 15px 85px 15px 30px;
  cursor: pointer;
}
.section .select-block .select-box.active ul {
  display: block;
}
.section .select-block .select-sound {
  margin-top: 5px;
  margin-left: 40px;
  display: none;
}
.section .select-block .select-sound.active {
  display: block;
}
.section .select-block .select-sound a {
  width: 60px;
  height: 60px;
  border-radius: 100%;
  background: #0057A8 url(../images/icon_sound_w.svg) no-repeat center center;
  background-size: 37px auto;
  display: block;
}
.section.section-y {
  border-color: #E6B571;
}
.section.section-y .title .line {
  border-color: #E6B571 #E6B571 #E6B571 transparent;
}
.section.section-last {
  padding-bottom: 55px;
}
.section.section-last::after {
  display: none;
}
.section.section-first {
  margin-top: 0;
  padding-top: 60px;
}
.section.section-first::before {
  display: none;
}

.page-control {
  width: 93%;
  margin: 0 auto;
  background-color: #0057A8;
  border-radius: 0 0 30px 30px;
  padding: 15px 50px 30px;
  display: flex;
  justify-content: space-between;
}
.page-control a {
  font-size: 40px;
  display: inline-flex;
  align-items: flex-end;
}
.page-control a::before {
  width: 130px;
  height: 130px;
  background: url(../images/title1.png) no-repeat center center;
  background-size: contain;
  content: "";
}
.page-control a .line {
  display: flex;
  align-items: center;
  border-radius: 0 100px 100px 0;
  border-color: #6DA300 #6DA300 #6DA300 transparent;
  border-style: solid;
  border-width: 2px;
  margin-bottom: 8px;
  margin-left: -6px;
  color: #fff;
  padding: 0 55px 6px 43px;
  white-space: nowrap;
}
.page-control a.btn-center {
  padding-right: 25px;
}
.page-control a.btn-center::before {
  background-image: url(../images/title6.png);
  margin-right: -45px;
  position: relative;
  z-index: 2;
}
.page-control a.btn-center .line {
  border-radius: 0;
  border: none;
  background-color: #FFE605;
  color: #2A2828;
  padding-left: 25px;
  padding-right: 25px;
  height: 60px;
  position: relative;
  z-index: 1;
  transition: background-color 0.3s;
}
.page-control a.btn-center .line::before {
  position: absolute;
  border-width: 30px 25px;
  border-style: solid;
  border-color: #FFE605 transparent;
  left: -25px;
  top: 0;
  z-index: -1;
  content: "";
  transition: border-color 0.3s;
}
.page-control a.btn-center .line::after {
  position: absolute;
  border-width: 30px 25px;
  border-style: solid;
  border-color: #FFE605 transparent;
  right: -25px;
  top: 0;
  z-index: -1;
  content: "";
  transition: border-color 0.3s;
}
.page-control a.btn-next::before {
  background-image: url(../images/title2.png);
}
.page-control a.btn-next .line {
  border-color: #E6B571 #E6B571 #E6B571 transparent;
}

.word {
  display: inline-block;
  text-align: center;
  vertical-align: top;
}
.word .pinyin {
  display: block;
}

.only-pinyin .word {
  font-size: 0;
}

.only-word .word .pinyin {
  display: none;
}

.pause-sound.play {
  background-image: url(../images/icon_pause_w.svg) !important;
}
.pause-sound.pause {
  background-image: url(../images/icon_play_w.svg) !important;
}

.popup-window {
  background-color: #fff;
  width: 90%;
  max-width: 1300px;
  margin: 30px auto;
  border-radius: 15px;
  overflow: hidden;
}
.popup-window .popup-title {
  color: #181818;
  font-size: 40px;
  background-color: #FFE605;
  position: relative;
  padding: 18px 30px;
  letter-spacing: 10%;
}
.popup-window .popup-title .popup-close {
  position: absolute;
  width: 50px;
  height: 50px;
  display: block;
  right: 25px;
  top: 22px;
  border-radius: 100%;
}
.popup-window .popup {
  padding: 40px;
  max-height: 80vh;
  overflow-y: auto;
}
.popup-window .popup::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}
.popup-window .popup::-webkit-scrollbar-button {
  background: transparent;
  display: none;
}
.popup-window .popup::-webkit-scrollbar-track-piece {
  background: transparent;
}
.popup-window .popup::-webkit-scrollbar-thumb {
  border-radius: 4px;
  background-color: rgba(0, 0, 0, 0.4);
  border: none;
}
.popup-window .popup::-webkit-scrollbar-track {
  box-shadow: transparent;
}
.popup-window .popup .menu-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}
.popup-window .popup .menu-group a {
  width: calc(50% - 30px);
  color: #7A1E1E;
  font-size: 30px;
  border: 6px solid #0057A8;
  box-shadow: 3px 3px 4px 0px rgba(0, 0, 0, 0.4);
  padding: 20px 30px;
  margin: 15px;
  border-radius: 50px;
  display: flex;
  align-items: center;
}
.popup-window .popup .menu-group a .pinyin-box {
  flex: 1;
  padding-left: 12px;
}
.popup-window .popup .menu-group a .pinyin-box .word {
  margin-top: -11px;
  margin-bottom: -10px;
}

.pinyin-type {
  display: none;
  color: #3E6C6A;
}
.pinyin-type.active {
  display: block;
}
.pinyin-type.only-pinyin .word .pinyin {
  font-size: 44px;
}
.pinyin-type.only-word .item {
  padding: 0 !important;
  display: flex;
}
.pinyin-type.only-word .item::before {
  display: none;
}
.pinyin-type .pinyin-row {
  border-bottom: 2px dashed #929292;
  padding: 30px 0 15px;
  display: flex;
  flex-wrap: wrap;
}
.pinyin-type .pinyin-row .play-sound {
  width: 60px;
  height: 60px;
  border-radius: 100%;
  background: #FF794F url(../images/icon_sound_w.svg) no-repeat center center;
  background-size: 37px auto;
  display: inline-block;
  vertical-align: top;
}
.pinyin-type .word {
  margin: 0 15px 20px;
}
.pinyin-type .word .pinyin {
  margin-bottom: 10px;
}

.card-style1 {
  margin: 0 -15px;
  display: flex;
  flex-wrap: wrap;
}
.card-style1 .card {
  width: calc(100% / 3);
  padding: 0 15px;
  margin: 20px 0;
}
.card-style1 .card .card-nav {
  border: 2px solid #3E6C6A;
  border-radius: 10px 10px 0 0;
  display: flex;
  overflow: hidden;
}
.card-style1 .card .card-nav a {
  display: block;
  width: 50%;
  background-repeat: no-repeat;
  background-position: center;
  height: 65px;
}
.card-style1 .card .card-nav a.active {
  background-color: #3E6C6A;
}
.card-style1 .card .card-nav a.active + a {
  background-color: transparent;
}
.card-style1 .card .card-nav a.disabled {
  background-color: #E3E3E3;
  cursor: not-allowed;
}
.card-style1 .card .card-nav a.disabled + a {
  background-color: #3E6C6A;
}
.card-style1 .card .card-nav a.btn-book {
  background-image: url(../images/icon_book.png);
  background-size: 36px auto;
}
.card-style1 .card .card-nav a.btn-book.disabled {
  background-image: url(../images/icon_book_gy.svg);
}
.card-style1 .card .card-nav a.btn-sound {
  background-image: url(../images/icon_sound.svg);
  background-size: 50px auto;
  background-color: #3E6C6A;
}
.card-style1 .card .card-box {
  border: 2px solid #3E6C6A;
  border-top: none;
  border-radius: 0 0 10px 10px;
  position: relative;
  overflow: hidden;
}
.card-style1 .card .card-box .card-text {
  align-items: center;
  justify-content: center;
  display: none;
  min-height: 170px;
  font-size: 48px;
  padding: 20px 15px;
  color: #3E6C6A;
}
.card-style1 .card .card-box .card-text .word {
  margin: 0 3px;
}
.card-style1 .card .card-box .card-text .word .pinyin {
  font-weight: bold;
  font-size: 40px;
  margin-bottom: 5px;
}
.card-style1 .card .card-box .card-text.active {
  display: flex;
  flex-wrap: wrap;
}

.card-style2 .card-top {
  display: flex;
  align-items: self-start;
}
.card-style2 .card-top .word-item {
  width: 190px;
  text-align: center;
  font-size: 60px;
  color: #3E6C6A;
  line-height: 202px;
}
.card-style2 .card-top .arrow {
  width: 39px;
  margin: 0 70px 0 50px;
  line-height: 230px;
  height: 202px;
  overflow: hidden;
}
.card-style2 .card-top .card-list {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
}
.card-style2 .card-top .card-list .card {
  margin: 0 15px;
  border-radius: 15px;
  border: 2px solid #3E6C6A;
  font-size: 40px;
  color: #2A2828;
  width: calc((100% / 4) - 30px);
  overflow: hidden;
}
.card-style2 .card-top .card-list .card .top {
  background-color: #3E6C6A;
  color: #fff;
  display: flex;
  justify-content: space-between;
  padding: 10px 15px 10px 20px;
  align-items: center;
}
.card-style2 .card-top .card-list .card .top a {
  width: 50px;
  height: 43px;
  display: flex;
  justify-content: center;
  align-items: center;
  background-repeat: no-repeat;
  background-position: center;
  background-size: 30px auto;
  background-image: url(../images/icon_sound.svg);
}
.card-style2 .card-top .card-list .card .text {
  padding: 20px;
}
.card-style2 .card-top .card-list .card .text p {
  margin: 0;
}
.card-style2 .card-top .card-list .card .text .sm {
  font-size: 24px;
}
.card-style2 .card-table {
  margin-top: 60px;
  border-radius: 15px;
  border: 2px solid #3E6C6A;
  overflow: hidden;
}
.card-style2 .card-table table {
  table-layout: fixed;
  border-collapse: collapse;
  width: 100%;
  color: #2A2828;
}
.card-style2 .card-table table tr:first-child {
  border-bottom: 2px solid #3E6C6A;
}
.card-style2 .card-table table tr:first-child .name {
  position: relative;
}
.card-style2 .card-table table tr:first-child .name::before {
  position: absolute;
  height: 2px;
  content: "";
  width: 100%;
  background-color: #fff;
  left: 0;
  bottom: -1px;
}
.card-style2 .card-table table td {
  text-align: center;
  font-size: 36px;
  padding: 30px 80px 30px 30px;
  border-left: 2px solid #3E6C6A;
}
.card-style2 .card-table table td a {
  display: block;
  margin: -30px -80px -30px -30px;
  padding: 30px 80px 30px 30px;
  position: relative;
}
.card-style2 .card-table table td a::after {
  position: absolute;
  width: 40px;
  height: 30px;
  content: "";
  background: url(../images/icon_sound_r.svg) no-repeat center center;
  background-size: contain;
  right: 30px;
  top: 40px;
}
.card-style2 .card-table table td.name {
  width: 150px;
  background-color: #3E6C6A;
  color: #fff;
  padding-left: 20px;
  padding-right: 20px;
}
.card-style2 .card-table table td.name .word {
  margin: 0;
}
.card-style2 .card-table table td.name .word .pinyin {
  margin-bottom: 0;
}
.card-style2 .card-table table td .word {
  font-size: 40px;
  margin: 0 8px;
}
.card-style2 .card-table table td .word .pinyin {
  font-size: 30px;
  margin-bottom: 10px;
}

.pinyin-style1 {
  margin: 0 -6px;
  display: flex;
  flex-wrap: wrap;
}
.pinyin-style1 .pinyin-item {
  width: calc((100% / 2) - 12px);
  padding: 20px 20px 20px 40px;
  margin: 20px 6px;
  display: flex;
  background-color: #3E6C6A;
  color: #fff;
  font-size: 36px;
  border-radius: 150px;
  align-items: center;
}
.pinyin-style1 .pinyin-item .text {
  flex: 1;
  display: flex;
  justify-content: space-evenly;
  align-items: center;
}
.pinyin-style1 .pinyin-item .text .sound-item {
  text-align: center;
}
.pinyin-style1 .pinyin-item .text .sound-item .top {
  font-size: 26px;
}
.pinyin-style1 .pinyin-item .text .sound-item.sound1 {
  font-weight: bold;
}
.pinyin-style1 .pinyin-item .text .sound-item.sound1 .top {
  font-weight: normal;
}

.pinyin-style2 .pinyin-item {
  padding: 0 50px;
  display: flex;
  background-color: #3E6C6A;
  color: #fff;
  font-size: 30px;
  border-radius: 150px;
  align-items: center;
  height: 137px;
}
.pinyin-style2 .pinyin-item + .pinyin-item {
  margin-top: 30px;
}
.pinyin-style2 .pinyin-item .text {
  flex: 1;
}
.pinyin-style2 .pinyin-item .text .word {
  margin: 0 9px;
}
.pinyin-style2 .pinyin-item .text .word-row {
  display: inline;
}
.pinyin-style2 .pinyin-item.only-pinyin .text .word .pinyin {
  font-size: 30px;
}
.pinyin-style2 .pinyin-item.only-pinyin .control a.btn-word::before {
  content: "文";
}
.pinyin-style2 .pinyin-item .control a {
  border-radius: 100%;
  width: 70px;
  height: 70px;
  margin-left: 20px;
  display: inline-block;
  vertical-align: top;
  text-align: center;
}
.pinyin-style2 .pinyin-item .control a.btn-word {
  background-color: #6DA300;
  line-height: 68px;
}
.pinyin-style2 .pinyin-item .control a.btn-word::before {
  font-size: 36px;
  content: "音";
}
.pinyin-style2 .pinyin-item .control a.btn-sound {
  background: #FF794F url(../images/icon_sound_w_o.svg) no-repeat center center;
  background-size: 61px auto;
}

.outline-block {
  border: 5px dashed #009FC9;
  border-radius: 50px;
  padding: 30px 40px;
  margin-top: 30px;
  margin-bottom: 30px;
  display: flex;
  position: relative;
  flex-wrap: wrap;
}
.outline-block .box {
  padding: 10px 0;
  font-size: 40px;
  position: relative;
  z-index: 1;
}
.outline-block .box .item {
  margin-bottom: 15px;
  display: flex;
}
.outline-block .box .item .item-box + .item-box {
  margin-left: 80px;
}
.outline-block .box .item .name {
  margin-bottom: 12px;
}
.outline-block .box .item .name::before {
  content: "[";
  display: inline-block;
  vertical-align: top;
  color: #FF794F;
  margin-right: 10px;
}
.outline-block .box .item .name::after {
  content: "]";
  display: inline-block;
  vertical-align: top;
  color: #FF794F;
  margin-left: 10px;
}
.outline-block .box .item .group {
  display: flex;
  flex-wrap: wrap;
}
.outline-block .box .item .group .character {
  box-shadow: 3px 3px 4px 0px rgba(0, 0, 0, 0.4);
  border-radius: 20px;
  color: #fff;
  background-color: #009FC9;
  width: 120px;
  padding: 12px 20px 15px;
  text-align: center;
  margin-right: 15px;
}
.outline-block .box + .box {
  border-left: 5px dashed #929292;
  padding-left: 40px;
  margin-left: 20px;
}
.outline-block.outline-r {
  border-color: #F076AD;
}
.outline-block.outline-r .box .item .group .character {
  background-color: #FF794F;
}
.outline-block.outline-r .box .item.line {
  border-top: 5px dashed #E3E3E3;
  padding-top: 25px;
  margin-top: 45px;
}
.outline-block.outline-r .box .item.line .name::before {
  color: #FF80AD;
}
.outline-block.outline-r .box .item.line .name::after {
  color: #FF80AD;
}
.outline-block.outline-r .box .item.line .group .character {
  width: auto;
  background-color: #FF80AD;
}
.outline-block.pic1::after {
  position: absolute;
  content: "";
  width: 445px;
  height: 342px;
  right: 0;
  bottom: 30px;
  background: url(../images/pic1.png) no-repeat center center;
  background-size: contain;
  z-index: 0;
}
.outline-block.pic2::after {
  position: absolute;
  content: "";
  width: 588px;
  height: 544px;
  right: 0;
  bottom: 20px;
  background: url(../images/pic2.png) no-repeat center center;
  background-size: contain;
  z-index: 0;
}
.outline-block .table {
  width: 100%;
}
.outline-block .table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 40px;
}
.outline-block .table table thead {
  border-top: 3px solid #E6B571;
  border-bottom: 3px solid #E6B571;
}
.outline-block .table table thead th {
  padding: 30px 20px 12px;
  position: relative;
  text-align: center;
  font-weight: normal;
}
.outline-block .table table thead th.active::before {
  content: "";
  border-color: #FF794F transparent transparent transparent;
  border-width: 15px 12px;
  border-style: solid;
  display: block;
  position: absolute;
  top: 10px;
  left: 50%;
  margin-left: -12px;
  border-radius: 5px;
}
.outline-block .table table tbody td {
  padding: 18px 20px 15px;
  text-align: center;
}
.outline-block .table table tbody td .color {
  color: #FF794F;
}
.outline-block .table table tbody td .play-sound {
  width: 60px;
  height: 60px;
  border-radius: 100%;
  background: #FF794F url(../images/icon_sound_w.svg) no-repeat center center;
  background-size: 37px auto;
  display: inline-block;
  vertical-align: middle;
}
.outline-block .table table tbody tr {
  border-top: 5px dashed #E3E3E3;
}
.outline-block .table table tbody tr:first-child {
  border-top: none;
}
.outline-block .table table th:first-child, .outline-block .table table td:first-child {
  text-align: left;
  font-weight: normal;
}

.ps-block {
  background-color: #FFFBC6;
  padding: 20px 30px;
  border-radius: 30px;
}
.ps-block ol {
  margin: 10px 0;
}
.ps-block p {
  margin: 0;
}
.ps-block .play-sound-icon {
  background: #FF794F url(../images/icon_sound_w.svg) no-repeat center center;
  width: 45px;
  height: 45px;
  border-radius: 100%;
  background-size: 27px auto;
  display: inline-block;
  vertical-align: middle;
  margin-bottom: 0.1em;
}

.word-block {
  display: flex;
  margin-bottom: 50px;
  margin-top: 30px;
  padding: 10px 30px 0;
  background: url(../images/word_bg.png) no-repeat center bottom;
  background-size: contain;
}
.word-block .text-block {
  width: 44%;
  padding: 0 25px;
}
.word-block .text-block .txt {
  width: 320px;
  height: 320px;
  color: #fff;
  background-color: #009FC9;
  border-radius: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  font-size: 182px;
  padding-bottom: 50px;
}
.word-block .text-block .txt-group {
  margin-top: 20px;
  display: flex;
  justify-content: space-between;
}
.word-block .text-block .txt-group .item {
  flex: 1;
  text-align: center;
  color: #0057A8;
}
.word-block .text-block .txt-group .item p {
  margin: 0 0 6px;
  font-size: 40px;
}
.word-block .text-block .txt-group .item .txt {
  width: 130px;
  height: 130px;
  font-size: 60px;
  background-color: #0057A8;
  padding-bottom: 10px;
}
.word-block .img-block {
  width: 56%;
  height: 590px;
  background: url(../images/car.svg) no-repeat center top;
  background-size: 100% 100%;
}
.word-block .img-block .tabs-nav {
  display: flex;
  margin: 3.5% 0 4%;
  padding: 0;
  list-style: none;
  justify-content: center;
}
.word-block .img-block .tabs-nav li {
  border-left: 2px solid #181818;
}
.word-block .img-block .tabs-nav li:first-child {
  border-left: none;
}
.word-block .img-block .tabs-nav li a {
  display: block;
  color: #fff;
  line-height: 1;
  padding: 0 12px;
}
.word-block .img-block .tabs-nav li.active a {
  color: #FFE605;
}
.word-block .img-block .img {
  width: 57%;
  border: 7px solid #fff;
  border-radius: 20px;
  margin: 0 auto 10px;
  position: relative;
  overflow: hidden;
  padding-top: 34%;
  background-color: #fff;
}
.word-block .img-block .img img {
  position: absolute;
  width: 100%;
  height: auto;
  left: 0;
  top: 0;
}
.word-block .img-block .img video {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  background-color: #000;
}
.word-block .img-block .btn-block {
  text-align: center;
  margin-top: 15px;
}
.word-block .img-block .btn-block a {
  background-color: #0057A8;
  color: #fff;
  display: inline-block;
  box-shadow: 3px 3px 4px 0px rgba(0, 0, 0, 0.4);
  border-radius: 50px;
  font-size: 40px;
  padding: 11px 30px 15px;
}
.word-block .img-block .btn-block a::before {
  background: url(../images/icon_sound_w.svg) no-repeat center center;
  content: "";
  display: inline-block;
  vertical-align: top;
  width: 37px;
  height: 28px;
  margin-right: 16px;
  margin-top: 15px;
  background-size: contain;
}
.word-block .img-block .btn-block.btn-grounp {
  box-shadow: 3px 3px 4px 0px rgba(0, 0, 0, 0.4);
  border-radius: 50px;
  background-color: #0057A8;
  text-align: center;
  width: 80%;
  margin-left: auto;
  margin-right: auto;
}
.word-block .img-block .btn-block.btn-grounp a {
  color: #fff;
  display: inline-block;
  font-size: 36px;
  box-shadow: none;
  border-radius: 50px;
  padding: 25px 6px 8px;
}
.word-block .img-block .btn-block.btn-grounp a.disabled {
  color: #83B1DB;
  pointer-events: none;
}
.word-block .img-block .btn-block.btn-grounp a::before {
  display: none;
}
.word-block .img-block .btn-block.btn-grounp a.active {
  position: relative;
}
.word-block .img-block .btn-block.btn-grounp a.active::after {
  border-color: #E6B571 transparent transparent transparent;
  border-width: 12px 10px;
  border-style: solid;
  position: absolute;
  border-radius: 5px;
  left: 50%;
  top: 14px;
  margin-left: -10px;
  content: "";
}
.word-block .img-block .tabs-block {
  display: none;
}
.word-block .img-block .tabs-block.active {
  display: block;
}

.blackboard-block {
  background: url(../images/tone/bg.png) no-repeat center top;
  background-size: 100% 100%;
  color: #fff;
  padding: 60px 80px 60px 90px;
  margin-top: 30px;
}
.blackboard-block ul {
  margin: 0;
}
.blackboard-block .blackboard {
  display: flex;
  align-items: center;
  margin-top: 30px;
  justify-content: space-between;
  flex-wrap: wrap;
  text-align: center;
}
.blackboard-block .blackboard .tabs-nav {
  width: 100%;
  padding: 0;
  margin: 0;
  list-style: none;
  border-bottom: 1px solid #FFFBC6;
}
.blackboard-block .blackboard .tabs-nav li {
  display: inline-block;
  vertical-align: top;
  margin: 0 3px;
}
.blackboard-block .blackboard .tabs-nav li.active a {
  color: #181818;
  background-color: #FFE605;
}
.blackboard-block .blackboard .tabs-nav li.active a i svg {
  fill: #181818;
}
.blackboard-block .blackboard .tabs-nav li a {
  padding: 10px 45px 5px;
  font-size: 40px;
  color: #fff;
  border-radius: 30px 30px 0 0;
  box-shadow: 4px 4px 8px 0px rgba(0, 0, 0, 0.8) inset;
  display: block;
  color: #FFE605;
  background-color: rgba(255, 255, 255, 0.1);
}
.blackboard-block .blackboard .tabs-nav li a i {
  display: inline-block;
  vertical-align: middle;
  margin-right: 8px;
  width: 40px;
  margin-top: -4px;
}
.blackboard-block .blackboard .tabs-nav li a i svg {
  width: 40px;
  height: 36px;
  fill: #FFE605;
}
.blackboard-block .blackboard .tabs-content {
  width: 100%;
  padding: 30px 0px 0;
}
.blackboard-block .blackboard .tabs-content .blackboard-title {
  font-size: 60px;
}
.blackboard-block .blackboard .tabs-content p {
  font-size: 36px;
  margin: 10px 0 20px;
  line-height: 1.6;
}
.blackboard-block .blackboard .tabs-content p .br {
  display: block;
}
.blackboard-block .blackboard .tabs-content .btn-link {
  display: inline-block;
  padding: 8px 50px;
  background-color: #FFE605;
  color: #181818;
  border-radius: 100px;
}
.blackboard-block .blackboard .tabs-content .text-lg {
  font-size: 48px;
}
.blackboard-block .blackboard .tabs-content .bottom {
  margin-top: 30px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}
.blackboard-block .blackboard .tabs-content .bottom .left {
  width: 22%;
  /*margin-right: 20px;*/
}
.blackboard-block .blackboard .tabs-content .bottom .right {
  width: 30%;
}
.blackboard-block .blackboard .left {
  width: 38%;
  position: relative;
}
.blackboard-block .blackboard .left .doll-sound {
  position: absolute;
  left: 0;
  top: -14px;
  width: 60px;
  height: 60px;
  border-radius: 100%;
  background: #FF794F url(../images/icon_sound_w.svg) no-repeat center center;
  background-size: 37px auto;
}
.blackboard-block .blackboard .right {
  width: 60%;
  display: flex;
  flex-wrap: wrap;
}
.blackboard-block .blackboard .right .col1 {
  flex: 1;
  padding-right: 12px;
  padding-top: 70px;
}
.blackboard-block .blackboard .right .col1 .btn {
  height: 100%;
}
.blackboard-block .blackboard .right .col2 {
  flex: 3;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  padding-top: 70px;
}
.blackboard-block .blackboard .right .col2 .btn {
  width: calc((100% / 3) - 12px);
  height: 165px;
}
.blackboard-block .blackboard .right .col2 .btn-top {
  width: 100%;
  margin-bottom: 12px;
  height: auto;
}
.blackboard-block .blackboard .right .col3 {
  flex: 1;
  padding-left: 12px;
}
.blackboard-block .blackboard .right .btn {
  box-shadow: 3px 3px 4px 0px rgba(0, 0, 0, 0.4);
  font-size: 40px;
  padding: 8px 10px;
  display: flex;
  border-radius: 20px;
  justify-content: center;
  align-items: center;
  width: 100%;
}
.blackboard-block .blackboard .right .btn.btn-o {
  background-color: #FF794F;
}
.blackboard-block .blackboard .right .btn.btn-b {
  background-color: #009FC9;
}
.blackboard-block .blackboard .right .btn.btn-g {
  background-color: #6DA300;
}
.blackboard-block .blackboard .right .btn:hover {
  transform: scale(1.1);
}
.blackboard-block .blackboard .right .bottom {
  width: 100%;
  display: flex;
  justify-content: center;
  margin-top: 40px;
}
.blackboard-block .blackboard .right .bottom .w {
  padding: 6px;
  font-size: 160px;
  line-height: 140px;
}
.blackboard-block .blackboard .right .bottom .w.hover.w-o {
  background-color: #FF794F;
}
.blackboard-block .blackboard .right .bottom .w.hover.w-b {
  background-color: #009FC9;
}
.blackboard-block .blackboard .right .bottom .w.hover.w-g {
  background-color: #6DA300;
}
.blackboard-block .blackboard .table {
  width: 100%;
}
.blackboard-block .blackboard .table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 40px;
}
.blackboard-block .blackboard .table table thead {
  border-top: 1px solid #E6B571;
  border-bottom: 1px solid #E6B571;
}
.blackboard-block .blackboard .table table thead th {
  padding: 30px 20px 12px;
  position: relative;
  text-align: center;
  font-weight: normal;
}
.blackboard-block .blackboard .table table thead th.active::before {
  content: "";
  border-color: #E6B571 transparent transparent transparent;
  border-width: 15px 12px;
  border-style: solid;
  display: block;
  position: absolute;
  top: 10px;
  left: 50%;
  margin-left: -12px;
  border-radius: 5px;
}
.blackboard-block .blackboard .table table tbody td {
  padding: 18px 20px 15px;
  text-align: center;
}
.blackboard-block .blackboard .table table tbody td.active {
  color: #FFE605;
}
.blackboard-block .blackboard .table table tbody td .play-sound {
  width: 60px;
  height: 60px;
  border-radius: 100%;
  background: #FF794F url(../images/icon_sound_w.svg) no-repeat center center;
  background-size: 37px auto;
  display: inline-block;
  vertical-align: middle;
}
.blackboard-block .blackboard .table table tbody tr {
  border-top: 1px dashed #E3E3E3;
}
.blackboard-block .blackboard .table table tbody tr:first-child {
  border-top: none;
}
.blackboard-block .blackboard.blackboard2 {
  align-items: flex-start;
}
.blackboard-block .blackboard.blackboard2 .table {
  width: 75%;
}
.blackboard-block .blackboard.blackboard2 .table-img {
  width: 25%;
}

#qa.section .title {
  margin-bottom: 50px;
  margin-top: 20px;
}
#qa .qa-block {
  display: flex;
}
#qa .qa-block .left {
  width: 62%;
  margin-right: 20px;
}
#qa .qa-block .left .qa-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
#qa .qa-block .left .qa-list li {
  border-bottom: 2px dashed #929292;
}
#qa .qa-block .left .qa-list li a {
  display: block;
  position: relative;
  padding: 20px 20px 20px 96px;
  color: #3E6C6A;
}
#qa .qa-block .left .qa-list li a::before {
  width: 60px;
  height: 60px;
  content: "";
  position: absolute;
  left: 20px;
  top: 16px;
  background: url(../images/qa/icon_q.svg) no-repeat center center;
  background-size: contain;
}
#qa .qa-block .right {
  width: 34%;
  position: relative;
  padding: 70px 40px 0;
}
#qa .qa-block .right .doll-sound {
  position: absolute;
  right: 60px;
  top: 0;
  width: 60px;
  height: 60px;
  border-radius: 100%;
  background: #FF794F url(../images/icon_sound_w.svg) no-repeat center center;
  background-size: 37px auto;
}

.ball-block {
  margin-top: 40px;
}
.ball-block .tabs-nav {
  margin: 0 0 40px;
  padding: 0;
  list-style: none;
  display: flex;
  justify-content: space-between;
}
.ball-block .tabs-nav li {
  width: calc(100% / 6);
  display: flex;
  justify-content: center;
  align-items: center;
}
.ball-block .tabs-nav li.active a {
  border-color: #E3E3E3;
}
.ball-block .tabs-nav li a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 225px;
  height: 225px;
  color: #fff;
  font-size: 40px;
  position: relative;
  background-repeat: no-repeat;
  background-position: center center;
  background-size: 219px auto;
  z-index: 5;
  border: 12px solid transparent;
  border-radius: 100%;
  transition: border-color 0.3s;
}
.ball-block .tabs-nav li a::after {
  position: absolute;
  width: 100%;
  left: 0;
  bottom: 18px;
  height: 54px;
  content: "";
  background: url(../images/icon_sound_w.svg) no-repeat center center;
  background-size: 40px auto;
}
.ball-block .tabs-nav li a.ball1 {
  background-image: url(../images/qa/ball1.svg);
}
.ball-block .tabs-nav li a.ball2 {
  background-image: url(../images/qa/ball2.svg);
}
.ball-block .tabs-nav li a.ball3 {
  background-image: url(../images/qa/ball3.svg);
}
.ball-block .tabs-nav li a.ball4 {
  background-image: url(../images/qa/ball4.svg);
}
.ball-block .tabs-nav li a.ball5 {
  background-image: url(../images/qa/ball5.svg);
}
.ball-block .tabs-nav li a.ball6 {
  background-image: url(../images/qa/ball6.svg);
}
.ball-block .tabs-content {
  display: flex;
  align-items: flex-start;
}
.ball-block .left {
  width: 59%;
  margin-right: 100px;
  border-radius: 100px;
  background-color: #E3E3E3;
  position: relative;
  padding: 80px 70px;
  color: #3E6C6A;
  font-size: 60px;
}
.ball-block .left::after {
  content: "";
  border-color: transparent transparent #E3E3E3 #E3E3E3;
  border-style: solid;
  border-width: 30px 35px;
  position: absolute;
  right: -65px;
  top: 45%;
}
.ball-block .left .name {
  background-color: #3E6C6A;
  color: #fff;
  font-size: 40px;
  padding: 6px 12px;
  border-radius: 20px 0;
  display: inline-block;
}
.ball-block .left p {
  margin: 8px 0 0;
}
.ball-block .right {
  position: relative;
  width: 32%;
}
.ball-block .right img {
  vertical-align: bottom;
}
.ball-block .right .doll-sound {
  position: absolute;
  left: 0;
  top: 0;
  width: 60px;
  height: 60px;
  border-radius: 100%;
  background: #FF794F url(../images/icon_sound_w.svg) no-repeat center center;
  background-size: 37px auto;
}

.tabs-block {
  display: none;
}
.tabs-block.active {
  display: block;
}

.blackboard2-block {
  margin-top: 30px;
}
.blackboard2-block .blackboard {
  display: flex;
  text-align: center;
  justify-content: space-between;
}
.blackboard2-block .blackboard .left {
  width: 65%;
  padding: 40px 60px;
  background: url(../images/qa/bg.png) no-repeat center top;
  background-size: 100% 100%;
}
.blackboard2-block .blackboard .left .blackboard-title {
  color: #7A1E1E;
  font-size: 40px;
}
.blackboard2-block .blackboard .left p {
  color: #3E6C6A;
  font-size: 36px;
  margin: 10px 0 40px;
}
.blackboard2-block .blackboard .left ul {
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
  border-bottom: 5px solid #E3E3E3;
}
.blackboard2-block .blackboard .left ul li {
  display: inline-block;
  vertical-align: top;
  margin: 0 5px;
}
.blackboard2-block .blackboard .left ul li .btn {
  padding: 10px 30px;
  font-size: 40px;
  color: #fff;
  border-radius: 30px 30px 0 0;
  box-shadow: 0px -5px 10px 0px rgba(0, 0, 0, 0.4) inset;
  display: block;
  margin-bottom: -4px;
}
.blackboard2-block .blackboard .left ul li .btn.btn-g {
  background-color: #6DA300;
}
.blackboard2-block .blackboard .left ul li .btn.btn-o {
  background-color: #FF794F;
}
.blackboard2-block .blackboard .left ul li .btn.btn-p {
  background-color: #F076AD;
}
.blackboard2-block .blackboard .left .bottom {
  position: relative;
  display: flex;
  justify-content: space-around;
  align-items: flex-start;
}
.blackboard2-block .blackboard .left .bottom .word {
  font-size: 60px;
  color: #3E6C6A;
}
.blackboard2-block .blackboard .left .bottom .word .pinyin {
  font-size: 70px;
  font-weight: 600;
  letter-spacing: 2px;
}
.blackboard2-block .blackboard .left .bottom .play-sound {
  margin-top: 20px;
  width: 60px;
  height: 60px;
  border-radius: 100%;
  background: #FF794F url(../images/icon_sound_w.svg) no-repeat center center;
  background-size: 37px auto;
}
.blackboard2-block .blackboard .left .bottom .w.hover.w-o {
  color: #FF794F;
}
.blackboard2-block .blackboard .left .bottom .w.hover.w-p {
  color: #F076AD;
}
.blackboard2-block .blackboard .left .bottom .w.hover.w-g {
  color: #6DA300;
}
.blackboard2-block .blackboard .right {
  position: relative;
  width: 32%;
}
.blackboard2-block .blackboard .right img {
  vertical-align: bottom;
}
.blackboard2-block .blackboard .right .doll-sound {
  position: absolute;
  left: 0;
  top: 0;
  width: 60px;
  height: 60px;
  border-radius: 100%;
  background: #FF794F url(../images/icon_sound_w.svg) no-repeat center center;
  background-size: 37px auto;
}

#qa4 #tabs2 .bottom .right {
  width: 37%;
}

#qa5 .btn {
  margin-top: 15px;
}
#qa5 table thead {
  border: none;
}
#qa5 table thead th {
  padding: 8px;
}
#qa5 table thead th a {
  display: block;
  padding: 7px 0 13px;
  width: 115px;
  text-align: center;
  background-color: #FF794F;
  box-shadow: 3px 3px 4px 0px rgba(0, 0, 0, 0.4);
  border-radius: 25px;
  white-space: nowrap;
  font-size: 40px;
}
#qa5 table tbody tr {
  border: none;
}
#qa5 table tbody tr td {
  font-size: 60px;
  padding: 8px;
}
#qa5 table tbody tr td:first-child {
  font-size: 40px;
  white-space: nowrap;
}
#qa5 .bottom {
  margin-top: 45px;
}
#qa5 .bottom .right {
  width: 79%;
}

#course .blackboard .left {
  display: flex;
}
#course .blackboard .left ul {
  width: calc(100% / 3);
  padding: 0 15px;
  border-bottom: none;
}
#course .blackboard .left ul li {
  font-size: 48px;
  margin: 10px 0;
  display: block;
}
#course .blackboard .left ul li:first-child {
  margin-bottom: 30px;
}
#course .blackboard .left ul li a {
  display: block;
  border-radius: 30px;
  font-size: 36px;
  color: #fff;
  text-align: center;
  padding: 10px 10px 12px;
}
#course .blackboard .left ul.typeG li {
  color: #6DA300;
}
#course .blackboard .left ul.typeG li a {
  background-color: #6DA300;
}
#course .blackboard .left ul.typeR li {
  color: #FF794F;
}
#course .blackboard .left ul.typeR li a {
  background-color: #FF794F;
}
#course .blackboard .left ul.typeP li {
  color: #F076AD;
}
#course .blackboard .left ul.typeP li a {
  background-color: #F076AD;
}

.search-block {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 25px;
}
.search-block .search-box {
  display: flex;
  margin-right: 50px;
  align-items: center;
}
.search-block .search-box label {
  margin-right: 10px;
}
.search-block .search-box input {
  border: 2px solid #E6B571;
  border-radius: 12px;
  width: 400px;
  margin-right: 10px;
  height: 70px;
  font-size: 30px;
  padding: 10px;
}
.search-block .search-box .btn-search {
  width: 70px;
  height: 70px;
  border-radius: 100%;
  background: #E6B571 url(../images/icon_search.svg) no-repeat center center;
  background-size: 36px auto;
  border: none;
  cursor: pointer;
}
.search-block .info {
  color: #F076AD;
  font-size: 30px;
}
.search-block .info::before {
  content: "";
  width: 30px;
  height: 30px;
  background: url(../images/icon_i.svg) no-repeat center center;
  background-size: cover;
  display: inline-block;
  vertical-align: top;
  margin-top: 0.2em;
  margin-right: 5px;
}

#family .outline-block {
  flex-direction: column;
}
#family .outline-block .top-title {
  width: 100%;
}
#family .outline-block .box {
  width: 100%;
}
#family .outline-block .box .item {
  flex-direction: column;
  margin-bottom: 0;
}
#family .outline-block .box .item .item-box {
  width: 100%;
  display: flex;
  margin-bottom: 40px;
  flex-direction: column;
}
#family .outline-block .box .item .item-box + .item-box {
  margin-left: 0;
}
#family .outline-block .box .item .name {
  margin-bottom: 30px;
  width: 100%;
}
#family .outline-block .box .item .name::before {
  content: "";
  background: url(../images/icon_arrow.svg) no-repeat center center;
  background-size: contain;
  margin-right: 15px;
  width: 40px;
  height: 30px;
  margin-top: 14px;
}
#family .outline-block .box .item .name::after {
  display: none;
}
#family .outline-block .box .item .name span {
  display: inline-block;
  margin-left: 15px;
}
#family .outline-block .box .item .group {
  width: 100%;
}
#family .outline-block .box .item .group .character {
  box-shadow: 3px 3px 4px 0px rgba(0, 0, 0, 0.4);
  border-radius: 20px;
  color: #181818;
  border: 2px solid #009FC9;
  background-color: transparent;
  width: calc((100% / 5) - 20px);
  margin: 0 0 15px 25px;
}
#family .outline-block .box .item .group .character:first-child {
  margin-left: 0;
}

#transpose .outline-block {
  flex-direction: column;
}
#transpose .outline-block .box {
  width: 100%;
}
#transpose .outline-block .box .item {
  flex-direction: column;
  margin-bottom: 0;
}
#transpose .outline-block .box .item .item-box {
  width: 100%;
  display: flex;
  margin-bottom: 40px;
  flex-direction: column;
}
#transpose .outline-block .box .item .item-box + .item-box {
  margin-left: 0;
}
#transpose .outline-block .box .item .item-box .up-symbol {
  font-size: 1.6em;
  display: inline-block;
  vertical-align: top;
  line-height: 1.1;
}
#transpose .outline-block .box .item .name {
  margin-bottom: 30px;
  width: 100%;
}
#transpose .outline-block .box .item .name::before {
  content: "";
  background: url(../images/icon_arrow.svg) no-repeat center center;
  background-size: contain;
  margin-right: 15px;
  width: 40px;
  height: 30px;
  margin-top: 14px;
}
#transpose .outline-block .box .item .name::after {
  display: none;
}
#transpose .outline-block .box .item .name span {
  display: inline-block;
  margin-left: 15px;
}
#transpose .outline-block .box .item p {
  margin-top: 0;
  padding-left: 55px;
  font-size: 36px;
}
#transpose .outline-block .box .item .table table thead {
  border-top: 2px solid #E3E3E3;
  border-bottom: 2px solid #E3E3E3;
}
#transpose .outline-block .box .item .table table tbody tr {
  border-top: 3px dashed #E3E3E3;
}
#transpose .outline-block .box .item .table table tbody tr:first-child {
  border-top: none;
}
#transpose .outline-block .box .item .table table th, #transpose .outline-block .box .item .table table td {
  background-repeat: no-repeat;
  background-position: left center;
  background-size: 100% 60px;
  padding: 12px;
}
#transpose .outline-block .box .item .table table th:first-child, #transpose .outline-block .box .item .table table td:first-child {
  width: 16%;
}
#transpose .outline-block .box .item .table table th:nth-child(2), #transpose .outline-block .box .item .table table td:nth-child(2) {
  width: 42%;
  background-image: url(../images/bg_pen_b.png);
}
#transpose .outline-block .box .item .table table th:nth-child(3), #transpose .outline-block .box .item .table table td:nth-child(3) {
  width: 42%;
  background-image: url(../images/bg_pen_y.png);
}
#transpose .outline-block .box .item .table table .play-sound {
  width: 100%;
  background: none;
  text-align: left;
  padding-left: 40px;
  padding-right: 40px;
  border-radius: 0;
}
#transpose .outline-block .box .item .table table .play-sound::before {
  width: 60px;
  height: 60px;
  border-radius: 100%;
  background: #FF794F url(../images/icon_sound_w.svg) no-repeat center center;
  background-size: 37px auto;
  display: inline-block;
  vertical-align: middle;
  margin-right: 15px;
  content: "";
}

@-webkit-keyframes indexAni1 {
  0% {
    box-shadow: 0 0 10px rgba(255, 230, 5, 0.8);
  }
  100% {
    box-shadow: 0 0 20px rgba(255, 230, 5, 0.8);
  }
}
@-moz-keyframes indexAni1 {
  0% {
    box-shadow: 0 0 10px rgba(255, 230, 5, 0.8);
  }
  100% {
    box-shadow: 0 0 20px rgba(255, 230, 5, 0.8);
  }
}
@-o-keyframes indexAni1 {
  0% {
    box-shadow: 0 0 10px rgba(255, 230, 5, 0.8);
  }
  100% {
    box-shadow: 0 0 20px rgba(255, 230, 5, 0.8);
  }
}
@keyframes indexAni1 {
  0% {
    box-shadow: 0 0 10px rgba(255, 230, 5, 0.8);
  }
  100% {
    box-shadow: 0 0 20px rgba(255, 230, 5, 0.8);
  }
}
@-webkit-keyframes indexAni2 {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(10px);
  }
}
@-moz-keyframes indexAni2 {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(10px);
  }
}
@-o-keyframes indexAni2 {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(10px);
  }
}
@keyframes indexAni2 {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(10px);
  }
}
@media screen and (max-width: 1640px) {
  html, body {
    font-size: calc(100vw / 1920 * 36);
  }

  .wrap {
    padding: 0 20px;
  }

  .btn-float {
    width: calc(100vw / 1920 * 98);
    height: calc(100vw / 1920 * 98);
    font-size: calc(100vw / 1920 * 30);
    right: 15px;
    box-shadow: calc(100vw / 1920 * 5) calc(100vw / 1920 * 5) calc(100vw / 1920 * 4) 0px rgba(0, 0, 0, 0.4);
  }
  .btn-float.btnTop {
    bottom: calc(100vw / 1920 * 286);
  }
  .btn-float.btn-menu1 {
    bottom: calc(100vw / 1920 * 168);
  }
  .btn-float.btn-menu2 {
    bottom: calc(100vw / 1920 * 50);
  }
  .btn-float .icon {
    width: calc(100vw / 1920 * 98);
    height: calc(100vw / 1920 * 98);
  }

  #header {
    padding: calc(100vw / 1920 * 25) 0 calc(100vw / 1920 * 15);
  }
  #header .logo {
    width: calc(100vw / 1920 * 400);
    margin-top: 0;
  }
  #header #menu {
    margin-top: calc(100vw / 1920 * 30);
  }
  #header #menu ul {
    font-size: calc(100vw / 1920 * 26);
  }
  #header #menu ul li a.sub-arrow::after {
    border-width: calc(100vw / 1920 * 10);
    border-radius: calc(100vw / 1920 * 5);
  }
  #header #menu > ul > li > a {
    padding: 0 calc(100vw / 1920 * 12);
  }
  #header #menu > ul > li > a.sub-arrow {
    padding-right: calc(100vw / 1920 * 45);
  }
  #header #menu > ul > li > a.sub-arrow::after {
    top: calc(100vw / 1920 * 20);
    right: calc(100vw / 1920 * 12);
  }
  #header #menu > ul > li > a i {
    width: calc(100vw / 1920 * 45);
    height: calc(100vw / 1920 * 46);
  }
  #header #menu > ul > li > .sub > li > a.sub-arrow {
    padding-right: calc(100vw / 1920 * 38);
  }
  #header #menu > ul > li > .sub > li > a.sub-arrow::after {
    top: calc(100vw / 1920 * 29);
    right: calc(100vw / 1920 * 20);
  }
  #header #menu > ul > li > .sub > li > a::before {
    width: calc(100vw / 1920 * 10);
    height: calc(100vw / 1920 * 10);
    left: calc(100vw / 1920 * 30);
    top: calc(100vw / 1920 * 30);
  }
  #header #menu .sub li a {
    padding: calc(100vw / 1920 * 15) calc(100vw / 1920 * 20) calc(100vw / 1920 * 15) calc(100vw / 1920 * 55);
  }
  #header #menu .sub .sub a {
    padding-left: calc(100vw / 1920 * 60);
  }

  #landing {
    padding-top: calc(100vw / 1920 * 117);
    padding-bottom: calc(100vw / 1920 * 42);
  }
  #landing .logo {
    width: calc(100vw / 1920 * 840);
  }
  #landing .logo::after {
    width: calc(100vw / 1920 * 152);
    height: calc(100vw / 1920 * 100);
    right: calc(100vw / 1920 * -80);
  }
  #landing .menu-group {
    margin: calc(100vw / 1920 * 100) auto 0;
  }
  #landing .menu-group .menu-btn a {
    width: calc(100vw / 1920 * 550);
    height: calc(100vw / 1920 * 550);
    border-width: calc(100vw / 1920 * 15);
  }
  #landing .menu-group .menu-btn a .name {
    font-size: calc(100vw / 1920 * 70);
  }
  #landing .menu-group .menu-btn a .name .text-lg {
    font-size: calc(100vw / 1920 * 100);
  }
  #landing .menu-group .menu-btn a p {
    font-size: calc(100vw / 1920 * 24);
  }
  #landing .menu-group .menu-btn:first-child {
    margin-right: calc(100vw / 1920 * 175);
  }
  #landing .menu-group .menu-btn:first-child a {
    padding-right: calc(100vw / 1920 * 100);
  }
  #landing .menu-group .menu-btn:first-child a::before {
    width: calc(100vw / 1920 * 310);
    height: calc(100vw / 1920 * 310);
    left: calc(100vw / 1920 * -102);
    top: calc(100vw / 1920 * -78);
  }
  #landing .menu-group .menu-btn:first-child a::after {
    width: calc(100vw / 1920 * 343);
    height: calc(100vw / 1920 * 566);
    right: calc(100vw / 1920 * -172);
    top: calc(100vw / 1920 * -32);
  }
  #landing .menu-group .menu-btn:nth-child(2) {
    margin-left: calc(100vw / 1920 * 159);
  }
  #landing .menu-group .menu-btn:nth-child(2) a {
    padding-left: calc(100vw / 1920 * 80);
  }
  #landing .menu-group .menu-btn:nth-child(2) a::before {
    width: calc(100vw / 1920 * 186);
    height: calc(100vw / 1920 * 302);
    right: calc(100vw / 1920 * -87);
    top: calc(100vw / 1920 * 193);
  }
  #landing .menu-group .menu-btn:nth-child(2) a::after {
    width: calc(100vw / 1920 * 332);
    height: calc(100vw / 1920 * 459);
    left: calc(100vw / 1920 * -159);
    top: calc(100vw / 1920 * 70);
  }

  #container {
    background: linear-gradient(180deg, #fff 0, #ffa9c8 8%, #FF80AD 80%);
    padding-top: calc(100vw / 1920 * 160);
  }
  #container::before {
    height: calc(100vw / 1920 * 1138);
  }
  #container::after {
    height: calc(100vw / 1920 * 773);
  }

  .page-top {
    width: 90%;
    border-radius: calc(100vw / 1920 * 50) calc(100vw / 1920 * 50) 0 0;
    padding: calc(100vw / 1920 * 35) calc(100vw / 1920 * 50) 0;
    height: calc(100vw / 1920 * 340);
  }
  .page-top::before {
    width: calc(100vw / 1920 * 210);
    height: calc(100vw / 1920 * 210);
    left: calc(100vw / 1920 * -125);
    top: calc(100vw / 1920 * 60);
  }
  .page-top::after {
    width: calc(100vw / 1920 * 160);
    height: calc(100vw / 1920 * 129);
    right: calc(100vw / 1920 * -25);
    top: calc(100vw / 1920 * -25);
  }
  .page-top .breadcrumbs {
    margin: 0 0 calc(100vw / 1920 * 30);
    font-size: calc(100vw / 1920 * 16);
    line-height: calc(100vw / 1920 * 28);
  }
  .page-top .breadcrumbs li a {
    padding: 0 calc(100vw / 1920 * 5) 0 calc(100vw / 1920 * 8);
  }
  .page-top .breadcrumbs li a i {
    width: calc(100vw / 1920 * 27);
    margin-right: calc(100vw / 1920 * 2);
  }
  .page-top .page-title {
    font-size: calc(100vw / 1920 * 50);
  }
  .page-top .page-top-arrow {
    font-size: calc(100vw / 1920 * 40);
    padding: calc(100vw / 1920 * 8) calc(100vw / 1920 * 25) calc(100vw / 1920 * 12);
    border-width: calc(100vw / 1920 * 6);
    border-radius: calc(100vw / 1920 * 100);
    top: 50%;
  }
  .page-top .page-top-arrow.page-top-prev {
    left: calc(100vw / 1920 * -91);
  }
  .page-top .page-top-arrow.page-top-next {
    right: calc(100vw / 1920 * -91);
  }
  .page-top #page-menu {
    font-size: calc(100vw / 1920 * 36);
    bottom: calc(100vw / 1920 * -67);
  }
  .page-top #page-menu > li {
    margin: 0 calc(100vw / 1920 * 5);
  }
  .page-top #page-menu > li > a, .page-top #page-menu > li > .select-menu {
    height: calc(100vw / 1920 * 134);
    padding-top: calc(100vw / 1920 * 74);
  }
  .page-top #page-menu > li .select-menu::after {
    border-width: calc(100vw / 1920 * 10);
    border-radius: calc(100vw / 1920 * 5);
    right: calc(100vw / 1920 * 33);
    top: calc(100vw / 1920 * 93);
  }
  .page-top #page-menu > li .sub {
    top: calc(100% - (100vw / 1920 * 67));
    border-radius: 0 0 calc(100vw / 1920 * 30) calc(100vw / 1920 * 30);
  }
  .page-top #page-menu > li .sub li:first-child a {
    padding-top: calc(100vw / 1920 * 7);
  }
  .page-top #page-menu > li .sub li a {
    padding: calc(100vw / 1920 * 10) calc(100vw / 1920 * 20);
  }

  .section {
    margin-top: calc(100vw / 1920 * 45);
    border-radius: calc(100vw / 1920 * 30);
    border-width: calc(100vw / 1920 * 15);
    padding: calc(100vw / 1920 * 40) calc(100vw / 1920 * 50) calc(100vw / 1920 * 130);
  }
  .section::before {
    height: calc(100vw / 1920 * 45);
    top: calc(100vw / 1920 * -59);
  }
  .section::after {
    width: calc(100vw / 1920 * 128);
    height: calc(100vw / 1920 * 210);
    right: calc(100vw / 1920 * 45);
    bottom: calc(100vw / 1920 * -118);
  }
  .section .top-title .date {
    font-size: calc(100vw / 1920 * 21);
    margin-bottom: calc(100vw / 1920 * 10);
    margin-top: calc(100vw / 1920 * 50);
  }
  .section .top-title .date::before {
    width: calc(100vw / 1920 * 25);
    height: calc(100vw / 1920 * 25);
    margin-right: calc(100vw / 1920 * 8);
    margin-top: calc(100vw / 1920 * 2);
  }
  .section .title {
    font-size: calc(100vw / 1920 * 40);
    margin-bottom: calc(100vw / 1920 * 20);
  }
  .section .title::before {
    width: calc(100vw / 1920 * 130);
    height: calc(100vw / 1920 * 130);
  }
  .section .title .line {
    border-radius: 0 calc(100vw / 1920 * 50) calc(100vw / 1920 * 50) 0;
    margin-bottom: calc(100vw / 1920 * 8);
    margin-left: calc(100vw / 1920 * -6);
    padding: 0 calc(100vw / 1920 * 55) calc(100vw / 1920 * 6) calc(100vw / 1920 * 43);
  }
  .section .title .line .word {
    margin: 0 calc(100vw / 1920 * 6);
  }
  .section .title .line .word .pinyin {
    font-size: calc(100vw / 1920 * 36);
  }
  .section .title.title-no-icon {
    margin-bottom: calc(100vw / 1920 * 40);
  }
  .section .sub-title {
    font-size: calc(100vw / 1920 * 40);
    padding: calc(100vw / 1920 * 20) calc(100vw / 1920 * 30);
    margin: calc(100vw / 1920 * 30) 0;
    border-radius: calc(100vw / 1920 * 30);
  }
  .section .select-block {
    margin-left: calc(100vw / 1920 * 45);
    margin-top: calc(100vw / 1920 * 45);
  }
  .section .select-block .select-box {
    font-size: calc(100vw / 1920 * 30);
    padding: calc(100vw / 1920 * 15) calc(100vw / 1920 * 85) calc(100vw / 1920 * 15) calc(100vw / 1920 * 30);
    border-radius: calc(100vw / 1920 * 35);
    width: calc(100vw / 1920 * 265);
  }
  .section .select-block .select-box::after {
    border-width: calc(100vw / 1920 * 10);
    border-radius: calc(100vw / 1920 * 5);
    top: calc(100vw / 1920 * 32);
    right: calc(100vw / 1920 * 35);
  }
  .section .select-block .select-box ul {
    border-radius: calc(100vw / 1920 * 40);
  }
  .section .select-block .select-box ul li label {
    padding: calc(100vw / 1920 * 15) calc(100vw / 1920 * 85) calc(100vw / 1920 * 15) calc(100vw / 1920 * 30);
  }
  .section .select-block .select-sound {
    margin-top: calc(100vw / 1920 * 5);
    margin-left: calc(100vw / 1920 * 40);
  }
  .section .select-block .select-sound a {
    width: calc(100vw / 1920 * 60);
    height: calc(100vw / 1920 * 60);
    background-size: calc(100vw / 1920 * 37) auto;
  }
  .section.section-last {
    padding-bottom: calc(100vw / 1920 * 55);
  }
  .section.section-first {
    padding-top: calc(100vw / 1920 * 80);
  }

  .page-control {
    border-radius: 0 0 calc(100vw / 1920 * 30) calc(100vw / 1920 * 30);
    padding: calc(100vw / 1920 * 15) calc(100vw / 1920 * 50) calc(100vw / 1920 * 30);
  }
  .page-control a {
    font-size: calc(100vw / 1920 * 40);
  }
  .page-control a::before {
    width: calc(100vw / 1920 * 130);
    height: calc(100vw / 1920 * 130);
  }
  .page-control a .line {
    border-radius: 0 calc(100vw / 1920 * 50) calc(100vw / 1920 * 50) 0;
    margin-bottom: calc(100vw / 1920 * 8);
    margin-left: calc(100vw / 1920 * -6);
    padding: 0 calc(100vw / 1920 * 55) calc(100vw / 1920 * 6) calc(100vw / 1920 * 43);
  }
  .page-control a.btn-center {
    padding-right: calc(100vw / 1920 * 25);
  }
  .page-control a.btn-center::before {
    margin-right: calc(100vw / 1920 * -45);
  }
  .page-control a.btn-center .line {
    padding-left: calc(100vw / 1920 * 25);
    padding-right: calc(100vw / 1920 * 25);
    height: calc(100vw / 1920 * 60);
  }
  .page-control a.btn-center .line::before {
    border-width: calc(100vw / 1920 * 30) calc(100vw / 1920 * 25);
    left: calc(100vw / 1920 * -25);
  }
  .page-control a.btn-center .line::after {
    border-width: calc(100vw / 1920 * 30) calc(100vw / 1920 * 25);
    right: calc(100vw / 1920 * -25);
  }

  .popup-window {
    margin: calc(100vw / 1920 * 30) auto;
    border-radius: calc(100vw / 1920 * 15);
  }
  .popup-window .popup-title {
    font-size: calc(100vw / 1920 * 44);
    padding: calc(100vw / 1920 * 18) calc(100vw / 1920 * 30);
  }
  .popup-window .popup-title .popup-close {
    width: calc(100vw / 1920 * 50);
    height: calc(100vw / 1920 * 50);
    right: calc(100vw / 1920 * 25);
    top: calc(100vw / 1920 * 22);
  }
  .popup-window .popup {
    padding: calc(100vw / 1920 * 40);
  }
  .popup-window .popup .menu-group a {
    width: calc(50% - (100vw / 1920 * 30));
    font-size: calc(100vw / 1920 * 40);
    border-width: calc(100vw / 1920 * 6);
    box-shadow: calc(100vw / 1920 * 3) calc(100vw / 1920 * 3) calc(100vw / 1920 * 4) 0 rgba(0, 0, 0, 0.4);
    padding: calc(100vw / 1920 * 20) calc(100vw / 1920 * 40);
    margin: calc(100vw / 1920 * 15);
    border-radius: calc(100vw / 1920 * 50);
  }
  .popup-window .popup .menu-group a .pinyin-box {
    padding-left: calc(100vw / 1920 * 12);
  }
  .popup-window .popup .menu-group a .pinyin-box .word {
    margin-top: calc(100vw / 1920 * -11);
    margin-bottom: calc(100vw / 1920 * -10);
  }

  .pinyin-type {
    font-size: calc(100vw / 1920 * 48);
  }
  .pinyin-type.only-pinyin .word .pinyin {
    font-size: calc(100vw / 1920 * 44);
  }
  .pinyin-type .pinyin-row {
    padding: calc(100vw / 1920 * 30) 0 calc(100vw / 1920 * 15);
  }
  .pinyin-type .pinyin-row .play-sound {
    width: calc(100vw / 1920 * 60);
    height: calc(100vw / 1920 * 60);
    background-size: calc(100vw / 1920 * 37) auto;
    margin-top: calc(100vw / 1920 * 5);
  }
  .pinyin-type .word {
    margin: 0 calc(100vw / 1920 * 15) calc(100vw / 1920 * 20);
  }
  .pinyin-type .word .pinyin {
    margin-bottom: calc(100vw / 1920 * 10);
  }

  .card-style1 {
    margin: 0 calc(100vw / 1920 * -15);
  }
  .card-style1 .card {
    padding: 0 calc(100vw / 1920 * 15);
    margin: calc(100vw / 1920 * 20) 0;
  }
  .card-style1 .card .card-nav {
    border-radius: calc(100vw / 1920 * 10) calc(100vw / 1920 * 10) 0 0;
  }
  .card-style1 .card .card-nav a {
    height: calc(100vw / 1920 * 80);
  }
  .card-style1 .card .card-nav a.btn-book {
    background-size: calc(100vw / 1920 * 36) auto;
  }
  .card-style1 .card .card-nav a.btn-sound {
    background-size: calc(100vw / 1920 * 50) auto;
  }
  .card-style1 .card .card-box {
    border-radius: 0 0 calc(100vw / 1920 * 10) calc(100vw / 1920 * 10);
  }
  .card-style1 .card .card-box .card-text {
    min-height: calc(100vw / 1920 * 170);
    font-size: calc(100vw / 1920 * 48);
    padding: calc(100vw / 1920 * 20) calc(100vw / 1920 * 15);
  }
  .card-style1 .card .card-box .card-text .word {
    margin: 0 calc(100vw / 1920 * 3);
  }
  .card-style1 .card .card-box .card-text .word .pinyin {
    font-size: calc(100vw / 1920 * 40);
    margin-bottom: calc(100vw / 1920 * 5);
  }

  .card-style2 .card-top .word-item {
    width: calc(100vw / 1920 * 190);
    font-size: calc(100vw / 1920 * 64);
    line-height: calc(100vw / 1920 * 202);
  }
  .card-style2 .card-top .arrow {
    width: calc(100vw / 1920 * 39);
    margin: 0 calc(100vw / 1920 * 70) 0 calc(100vw / 1920 * 50);
    line-height: calc(100vw / 1920 * 230);
    height: calc(100vw / 1920 * 202);
  }
  .card-style2 .card-top .card-list .card {
    margin: 0 calc(100vw / 1920 * 15);
    border-radius: calc(100vw / 1920 * 15);
    font-size: calc(100vw / 1920 * 44);
    width: calc((100% / 4) - (100vw / 1920 * 30));
  }
  .card-style2 .card-top .card-list .card .top {
    padding: calc(100vw / 1920 * 10) calc(100vw / 1920 * 15) calc(100vw / 1920 * 10) calc(100vw / 1920 * 20);
  }
  .card-style2 .card-top .card-list .card .top a {
    width: calc(100vw / 1920 * 55);
    height: calc(100vw / 1920 * 46);
    background-size: calc(100vw / 1920 * 35) auto;
  }
  .card-style2 .card-top .card-list .card .text {
    padding: calc(100vw / 1920 * 20);
  }
  .card-style2 .card-top .card-list .card .text .sm {
    font-size: calc(100vw / 1920 * 28);
  }
  .card-style2 .card-table {
    margin-top: calc(100vw / 1920 * 60);
    border-radius: calc(100vw / 1920 * 15);
  }
  .card-style2 .card-table table td {
    font-size: calc(100vw / 1920 * 36);
    padding: calc(100vw / 1920 * 30) calc(100vw / 1920 * 80) calc(100vw / 1920 * 30) calc(100vw / 1920 * 30);
  }
  .card-style2 .card-table table td a {
    margin: calc(100vw / 1920 * -30) calc(100vw / 1920 * -80) calc(100vw / 1920 * -30) calc(100vw / 1920 * -30);
    padding: calc(100vw / 1920 * 30) calc(100vw / 1920 * 80) calc(100vw / 1920 * 30) calc(100vw / 1920 * 30);
  }
  .card-style2 .card-table table td a::after {
    width: calc(100vw / 1920 * 40);
    height: calc(100vw / 1920 * 30);
    right: calc(100vw / 1920 * 30);
    top: calc(100vw / 1920 * 40);
  }
  .card-style2 .card-table table td.name {
    width: calc(100vw / 1920 * 180);
    padding-left: calc(100vw / 1920 * 20);
    padding-right: calc(100vw / 1920 * 20);
  }
  .card-style2 .card-table table td .word {
    font-size: calc(100vw / 1920 * 40);
    margin: 0 calc(100vw / 1920 * 8);
  }
  .card-style2 .card-table table td .word .pinyin {
    font-size: calc(100vw / 1920 * 30);
    margin-bottom: calc(100vw / 1920 * 10);
  }

  .pinyin-style1 {
    margin: 0 calc(100vw / 1920 * -6);
  }
  .pinyin-style1 .pinyin-item {
    width: calc((100% / 2) - (100vw / 1920 * 12));
    padding: calc(100vw / 1920 * 20) calc(100vw / 1920 * 20) calc(100vw / 1920 * 20) calc(100vw / 1920 * 40);
    margin: calc(100vw / 1920 * 20) calc(100vw / 1920 * 6);
    font-size: calc(100vw / 1920 * 40);
    border-radius: calc(100vw / 1920 * 150);
  }
  .pinyin-style1 .pinyin-item .text .sound-item .top {
    font-size: calc(100vw / 1920 * 30);
  }
  .pinyin-style1 .pinyin-item .text .symbol {
    width: calc(100vw / 1920 * 40);
  }

  .pinyin-style2 .pinyin-item {
    padding: 0 calc(100vw / 1920 * 50);
    font-size: calc(100vw / 1920 * 36);
    border-radius: calc(100vw / 1920 * 150);
    height: calc(100vw / 1920 * 137);
  }
  .pinyin-style2 .pinyin-item + .pinyin-item {
    margin-top: calc(100vw / 1920 * 30);
  }
  .pinyin-style2 .pinyin-item .text .word {
    margin: 0 calc(100vw / 1920 * 9);
  }
  .pinyin-style2 .pinyin-item.only-pinyin .text .word .pinyin {
    font-size: calc(100vw / 1920 * 36);
  }
  .pinyin-style2 .pinyin-item .control a {
    width: calc(100vw / 1920 * 70);
    height: calc(100vw / 1920 * 70);
    margin-left: calc(100vw / 1920 * 20);
  }
  .pinyin-style2 .pinyin-item .control a.btn-word {
    line-height: calc(100vw / 1920 * 68);
  }
  .pinyin-style2 .pinyin-item .control a.btn-word::before {
    font-size: calc(100vw / 1920 * 40);
  }
  .pinyin-style2 .pinyin-item .control a.btn-sound {
    background-size: calc(100vw / 1920 * 61) auto;
  }

  .outline-block {
    border-width: calc(100vw / 1920 * 5);
    border-radius: calc(100vw / 1920 * 50);
    padding: calc(100vw / 1920 * 30) calc(100vw / 1920 * 40);
    margin-top: calc(100vw / 1920 * 30);
    margin-bottom: calc(100vw / 1920 * 30);
  }
  .outline-block .box {
    padding: calc(100vw / 1920 * 10);
    font-size: calc(100vw / 1920 * 40);
  }
  .outline-block .box .item {
    margin-bottom: calc(100vw / 1920 * 15);
  }
  .outline-block .box .item .name {
    margin-bottom: calc(100vw / 1920 * 12);
  }
  .outline-block .box .item .name::before {
    margin-right: calc(100vw / 1920 * 10);
  }
  .outline-block .box .item .name::after {
    margin-left: calc(100vw / 1920 * 10);
  }
  .outline-block .box .item .group .character {
    box-shadow: calc(100vw / 1920 * 3) calc(100vw / 1920 * 3) calc(100vw / 1920 * 4) 0 rgba(0, 0, 0, 0.4);
    border-radius: calc(100vw / 1920 * 20);
    width: calc(100vw / 1920 * 130);
    padding: calc(100vw / 1920 * 12) calc(100vw / 1920 * 20) calc(100vw / 1920 * 15);
    margin-right: calc(100vw / 1920 * 15);
  }
  .outline-block .box + .box {
    border-left-width: calc(100vw / 1920 * 5);
    padding-left: calc(100vw / 1920 * 45);
    margin-left: calc(100vw / 1920 * 25);
  }
  .outline-block .table table {
    font-size: calc(100vw / 1920 * 40);
  }
  .outline-block .table table thead {
    border-top-width: calc(100vw / 1920 * 3);
    border-bottom-width: calc(100vw / 1920 * 3);
  }
  .outline-block .table table thead th {
    padding: calc(100vw / 1920 * 30) calc(100vw / 1920 * 20) calc(100vw / 1920 * 12);
  }
  .outline-block .table table thead th.active::before {
    content: "";
    border-width: calc(100vw / 1920 * 15) calc(100vw / 1920 * 12);
    top: calc(100vw / 1920 * 10);
    margin-left: calc(100vw / 1920 * -12);
    border-radius: calc(100vw / 1920 * 5);
  }
  .outline-block .table table tbody td {
    padding: calc(100vw / 1920 * 18) calc(100vw / 1920 * 20) calc(100vw / 1920 * 15);
  }
  .outline-block .table table tbody td .play-sound {
    width: calc(100vw / 1920 * 60);
    height: calc(100vw / 1920 * 60);
    background-size: calc(100vw / 1920 * 37) auto;
  }
  .outline-block .table table tbody tr {
    border-top-width: calc(100vw / 1920 * 5);
  }
  .outline-block.outline-r .box .item.line {
    border-width: calc(100vw / 1920 * 5);
    padding-top: calc(100vw / 1920 * 25);
    margin-top: calc(100vw / 1920 * 30);
  }
  .outline-block.pic1::after {
    width: calc(100vw / 1920 * 445);
    height: calc(100vw / 1920 * 342);
    bottom: calc(100vw / 1920 * 30);
  }
  .outline-block.pic2::after {
    width: calc(100vw / 1920 * 588);
    height: calc(100vw / 1920 * 544);
    bottom: calc(100vw / 1920 * 20);
  }

  .ps-block {
    padding: calc(100vw / 1920 * 20) calc(100vw / 1920 * 30);
    border-radius: calc(100vw / 1920 * 30);
  }
  .ps-block .play-sound-icon {
    width: calc(100vw / 1920 * 45);
    height: calc(100vw / 1920 * 45);
    background-size: calc(100vw / 1920 * 27) auto;
  }

  .word-block {
    margin-bottom: calc(100vw / 1920 * 30);
    margin-top: calc(100vw / 1920 * 30);
    padding: calc(100vw / 1920 * 30) calc(100vw / 1920 * 30) 0;
  }
  .word-block .text-block {
    padding: 0 calc(100vw / 1920 * 25);
  }
  .word-block .text-block .txt {
    width: calc(100vw / 1920 * 350);
    height: calc(100vw / 1920 * 350);
    font-size: calc(100vw / 1920 * 200);
    padding-bottom: calc(100vw / 1920 * 50);
  }
  .word-block .text-block .txt-group {
    margin-top: calc(100vw / 1920 * 20);
  }
  .word-block .text-block .txt-group .item p {
    margin: 0 0 calc(100vw / 1920 * 6);
    font-size: calc(100vw / 1920 * 30);
  }
  .word-block .text-block .txt-group .item .txt {
    width: calc(100vw / 1920 * 130);
    height: calc(100vw / 1920 * 130);
    font-size: calc(100vw / 1920 * 60);
    padding-bottom: calc(100vw / 1920 * 10);
  }
  .word-block .img-block {
    height: calc(100vw / 1920 * 650);
  }
  .word-block .img-block .tabs-nav {
    margin: calc(100vw / 1920 * 30) 0 calc(100vw / 1920 * 40);
  }
  .word-block .img-block .tabs-nav li {
    border-left-width: calc(100vw / 1920 * 2);
  }
  .word-block .img-block .tabs-nav li a {
    padding: 0 calc(100vw / 1920 * 12);
  }
  .word-block .img-block .img {
    border-width: calc(100vw / 1920 * 7);
    border-radius: calc(100vw / 1920 * 20);
    margin-bottom: calc(100vw / 1920 * 10);
  }
  .word-block .img-block .btn-block {
    margin-top: calc(100vw / 1920 * 18);
  }
  .word-block .img-block .btn-block a {
    box-shadow: calc(100vw / 1920 * 3) calc(100vw / 1920 * 3) calc(100vw / 1920 * 4) 0px rgba(0, 0, 0, 0.4);
    border-radius: calc(100vw / 1920 * 50);
    font-size: calc(100vw / 1920 * 40);
    padding: calc(100vw / 1920 * 11) calc(100vw / 1920 * 30) calc(100vw / 1920 * 15);
  }
  .word-block .img-block .btn-block a::before {
    width: calc(100vw / 1920 * 37);
    height: calc(100vw / 1920 * 28);
    margin-right: calc(100vw / 1920 * 16);
    margin-top: calc(100vw / 1920 * 15);
  }
  .word-block .img-block .btn-block.btn-grounp {
    box-shadow: calc(100vw / 1920 * 3) calc(100vw / 1920 * 3) calc(100vw / 1920 * 4) 0px rgba(0, 0, 0, 0.4);
    border-radius: calc(100vw / 1920 * 50);
    width: 72%;
  }
  .word-block .img-block .btn-block.btn-grounp a {
    font-size: calc(100vw / 1920 * 36);
    padding: calc(100vw / 1920 * 25) calc(100vw / 1920 * 6) calc(100vw / 1920 * 8);
  }
  .word-block .img-block .btn-block.btn-grounp a.active::after {
    border-width: calc(100vw / 1920 * 12) calc(100vw / 1920 * 10);
    border-radius: calc(100vw / 1920 * 5);
    top: calc(100vw / 1920 * 14);
    margin-left: calc(100vw / 1920 * -10);
  }

  .blackboard-block {
    padding: calc(100vw / 1920 * 60) calc(100vw / 1920 * 80) calc(100vw / 1920 * 60) calc(100vw / 1920 * 100);
    margin-top: calc(100vw / 1920 * 30);
  }
  .blackboard-block .blackboard {
    margin-top: calc(100vw / 1920 * 20);
  }
  .blackboard-block .blackboard .tabs-nav {
    border-bottom-width: calc(100vw / 1920 * 1);
  }
  .blackboard-block .blackboard .tabs-nav li {
    margin: 0 calc(100vw / 1920 * 3);
  }
  .blackboard-block .blackboard .tabs-nav li a {
    padding: calc(100vw / 1920 * 10) calc(100vw / 1920 * 45) calc(100vw / 1920 * 5);
    font-size: calc(100vw / 1920 * 40);
    border-radius: calc(100vw / 1920 * 30) calc(100vw / 1920 * 30) 0 0;
    box-shadow: calc(100vw / 1920 * 4) calc(100vw / 1920 * 4) calc(100vw / 1920 * 8) 0px rgba(0, 0, 0, 0.8) inset;
  }
  .blackboard-block .blackboard .tabs-nav li a i {
    margin-right: calc(100vw / 1920 * 8);
    width: calc(100vw / 1920 * 40);
    margin-top: calc(100vw / 1920 * -5);
  }
  .blackboard-block .blackboard .tabs-nav li a i svg {
    width: calc(100vw / 1920 * 40);
    height: calc(100vw / 1920 * 36);
  }
  .blackboard-block .blackboard .tabs-content {
    padding: calc(100vw / 1920 * 30) calc(100vw / 1920 * 30) 0;
  }
  .blackboard-block .blackboard .tabs-content .blackboard-title {
    font-size: calc(100vw / 1920 * 60);
  }
  .blackboard-block .blackboard .tabs-content p {
    font-size: calc(100vw / 1920 * 36);
    margin: calc(100vw / 1920 * 10) 0 calc(100vw / 1920 * 20);
  }
  .blackboard-block .blackboard .tabs-content .btn-link {
    padding: calc(100vw / 1920 * 8) calc(100vw / 1920 * 50);
    border-radius: calc(100vw / 1920 * 100);
  }
  .blackboard-block .blackboard .tabs-content .text-lg {
    font-size: calc(100vw / 1920 * 48);
  }
  .blackboard-block .blackboard .tabs-content .bottom {
    margin-top: calc(100vw / 1920 * 30);
  }
  .blackboard-block .blackboard .tabs-content .bottom .left {
    margin-right: calc(100vw / 1920 * 20);
  }
  .blackboard-block .blackboard .left .doll-sound {
    width: calc(100vw / 1920 * 60);
    height: calc(100vw / 1920 * 60);
    background-size: calc(100vw / 1920 * 37) auto;
  }
  .blackboard-block .blackboard ul {
    padding-left: calc(100vw / 1920 * 30);
  }
  .blackboard-block .blackboard .right .col1 {
    padding-right: calc(100vw / 1920 * 12);
    padding-top: calc(100vw / 1920 * 70);
  }
  .blackboard-block .blackboard .right .col2 {
    padding-top: calc(100vw / 1920 * 70);
  }
  .blackboard-block .blackboard .right .col2 .btn {
    width: calc((100% / 3) - (100vw / 1920 * 12));
    height: calc(100vw / 1920 * 210);
  }
  .blackboard-block .blackboard .right .col2 .btn-top {
    margin-bottom: calc(100vw / 1920 * 12);
    width: 100%;
    height: auto;
  }
  .blackboard-block .blackboard .right .col3 {
    padding-left: calc(100vw / 1920 * 12);
  }
  .blackboard-block .blackboard .right .btn {
    box-shadow: calc(100vw / 1920 * 3) calc(100vw / 1920 * 3) calc(100vw / 1920 * 4) 0 rgba(0, 0, 0, 0.4);
    font-size: calc(100vw / 1920 * 40);
    padding: calc(100vw / 1920 * 8) calc(100vw / 1920 * 10);
    border-radius: calc(100vw / 1920 * 20);
  }
  .blackboard-block .blackboard .right .bottom {
    margin-top: calc(100vw / 1920 * 40);
  }
  .blackboard-block .blackboard .right .bottom .w {
    padding: calc(100vw / 1920 * 6);
    font-size: calc(100vw / 1920 * 160);
    line-height: calc(100vw / 1920 * 140);
  }
  .blackboard-block .blackboard .table table {
    font-size: calc(100vw / 1920 * 40);
  }
  .blackboard-block .blackboard .table table thead th {
    padding: calc(100vw / 1920 * 30) calc(100vw / 1920 * 20) calc(100vw / 1920 * 12);
  }
  .blackboard-block .blackboard .table table thead th.active::before {
    content: "";
    border-width: calc(100vw / 1920 * 15) calc(100vw / 1920 * 12);
    top: calc(100vw / 1920 * 10);
    margin-left: calc(100vw / 1920 * -12);
    border-radius: calc(100vw / 1920 * 5);
  }
  .blackboard-block .blackboard .table table tbody td {
    padding: calc(100vw / 1920 * 18) calc(100vw / 1920 * 20) calc(100vw / 1920 * 15);
  }
  .blackboard-block .blackboard .table table tbody td .play-sound {
    width: calc(100vw / 1920 * 60);
    height: calc(100vw / 1920 * 60);
    background-size: calc(100vw / 1920 * 37) auto;
  }

  #qa.section .title {
    margin-bottom: calc(100vw / 1920 * 50);
    margin-top: calc(100vw / 1920 * 20);
  }
  #qa .qa-block .left {
    margin-right: calc(100vw / 1920 * 20);
  }
  #qa .qa-block .left .qa-list li {
    border-bottom-width: calc(100vw / 1920 * 2);
  }
  #qa .qa-block .left .qa-list li a {
    padding: calc(100vw / 1920 * 20) calc(100vw / 1920 * 20) calc(100vw / 1920 * 20) calc(100vw / 1920 * 96);
  }
  #qa .qa-block .left .qa-list li a::before {
    width: calc(100vw / 1920 * 60);
    height: calc(100vw / 1920 * 60);
    left: calc(100vw / 1920 * 20);
    top: calc(100vw / 1920 * 16);
  }
  #qa .qa-block .right {
    padding: calc(100vw / 1920 * 70) calc(100vw / 1920 * 40) 0;
  }
  #qa .qa-block .right .doll-sound {
    right: calc(100vw / 1920 * 60);
    width: calc(100vw / 1920 * 60);
    height: calc(100vw / 1920 * 60);
    background-size: calc(100vw / 1920 * 37) auto;
  }

  .ball-block {
    margin-top: calc(100vw / 1920 * 40);
  }
  .ball-block .tabs-nav {
    margin: 0 0 calc(100vw / 1920 * 40);
  }
  .ball-block .tabs-nav li a {
    width: calc(100vw / 1920 * 260);
    height: calc(100vw / 1920 * 260);
    font-size: calc(100vw / 1920 * 40);
    background-size: calc(100vw / 1920 * 254) auto;
    border-width: calc(100vw / 1920 * 12);
  }
  .ball-block .tabs-nav li a::after {
    bottom: calc(100vw / 1920 * 24);
    height: calc(100vw / 1920 * 54);
    background-size: calc(100vw / 1920 * 40) auto;
  }
  .ball-block .left {
    margin-right: calc(100vw / 1920 * 100);
    border-radius: calc(100vw / 1920 * 100);
    padding: calc(100vw / 1920 * 80) calc(100vw / 1920 * 70);
    font-size: calc(100vw / 1920 * 60);
  }
  .ball-block .left::after {
    border-width: calc(100vw / 1920 * 30) calc(100vw / 1920 * 35);
    right: calc(100vw / 1920 * -65);
  }
  .ball-block .left .name {
    font-size: calc(100vw / 1920 * 40);
    padding: calc(100vw / 1920 * 6) calc(100vw / 1920 * 12);
    border-radius: calc(100vw / 1920 * 20) 0;
  }
  .ball-block .left p {
    margin: calc(100vw / 1920 * 8) 0 0;
  }
  .ball-block .right .doll-sound {
    width: calc(100vw / 1920 * 60);
    height: calc(100vw / 1920 * 60);
    background-size: calc(100vw / 1920 * 37) auto;
  }

  .blackboard2-block {
    margin-top: calc(100vw / 1920 * 50);
  }
  .blackboard2-block .blackboard .left {
    padding: calc(100vw / 1920 * 60);
  }
  .blackboard2-block .blackboard .left .blackboard-title {
    font-size: calc(100vw / 1920 * 40);
  }
  .blackboard2-block .blackboard .left p {
    font-size: calc(100vw / 1920 * 36);
    margin: calc(100vw / 1920 * 10) 0 calc(100vw / 1920 * 40);
  }
  .blackboard2-block .blackboard .left ul {
    margin: 0 0 calc(100vw / 1920 * 12);
    border-bottom-width: calc(100vw / 1920 * 5);
  }
  .blackboard2-block .blackboard .left ul li {
    margin: 0 calc(100vw / 1920 * 5);
  }
  .blackboard2-block .blackboard .left ul li .btn {
    padding: calc(100vw / 1920 * 10) calc(100vw / 1920 * 30);
    font-size: calc(100vw / 1920 * 40);
    border-radius: calc(100vw / 1920 * 30) calc(100vw / 1920 * 30) 0 0;
    box-shadow: 0px calc(100vw / 1920 * -5) calc(100vw / 1920 * 10) 0px rgba(0, 0, 0, 0.4) inset;
    margin-bottom: calc(100vw / 1920 * -4);
  }
  .blackboard2-block .blackboard .left .bottom .word {
    font-size: calc(100vw / 1920 * 60);
  }
  .blackboard2-block .blackboard .left .bottom .word .pinyin {
    font-size: calc(100vw / 1920 * 70);
    letter-spacing: calc(100vw / 1920 * 2);
  }
  .blackboard2-block .blackboard .left .bottom .play-sound {
    margin-top: calc(100vw / 1920 * 20);
    width: calc(100vw / 1920 * 60);
    height: calc(100vw / 1920 * 60);
    background-size: calc(100vw / 1920 * 37) auto;
  }
  .blackboard2-block .blackboard .right .doll-sound {
    width: calc(100vw / 1920 * 60);
    height: calc(100vw / 1920 * 60);
    background-size: calc(100vw / 1920 * 37) auto;
  }

  #qa5 .btn {
    margin-top: calc(100vw / 1920 * 15);
  }
  #qa5 table thead th {
    padding: calc(100vw / 1920 * 8);
  }
  #qa5 table thead th a {
    padding: calc(100vw / 1920 * 7) 0 calc(100vw / 1920 * 13);
    width: calc(100vw / 1920 * 120);
    box-shadow: calc(100vw / 1920 * 3) calc(100vw / 1920 * 3) calc(100vw / 1920 * 4) 0px rgba(0, 0, 0, 0.4);
    border-radius: calc(100vw / 1920 * 25);
    font-size: calc(100vw / 1920 * 40);
  }
  #qa5 table tbody tr td {
    font-size: calc(100vw / 1920 * 60);
    padding: calc(100vw / 1920 * 8);
  }
  #qa5 table tbody tr td:first-child {
    font-size: calc(100vw / 1920 * 40);
  }
  #qa5 .bottom {
    margin-top: calc(100vw / 1920 * 45);
  }
  #qa5 .bottom .right {
    width: 75%;
  }

  #course .blackboard .left ul {
    padding: 0 calc(100vw / 1920 * 15);
  }
  #course .blackboard .left ul li {
    font-size: calc(100vw / 1920 * 48);
    margin: calc(100vw / 1920 * 10) 0;
  }
  #course .blackboard .left ul li:first-child {
    margin-bottom: calc(100vw / 1920 * 30);
  }
  #course .blackboard .left ul li a {
    border-radius: calc(100vw / 1920 * 30);
    font-size: calc(100vw / 1920 * 36);
    padding: calc(100vw / 1920 * 10) calc(100vw / 1920 * 10) calc(100vw / 1920 * 12);
  }

  .search-block {
    margin-bottom: calc(100vw / 1920 * 25);
  }
  .search-block .search-box {
    margin-right: calc(100vw / 1920 * 50);
  }
  .search-block .search-box label {
    margin-right: calc(100vw / 1920 * 10);
  }
  .search-block .search-box input {
    border-radius: calc(100vw / 1920 * 12);
    width: calc(100vw / 1920 * 400);
    margin-right: calc(100vw / 1920 * 10);
    height: calc(100vw / 1920 * 70);
    font-size: calc(100vw / 1920 * 30);
    padding: calc(100vw / 1920 * 10);
  }
  .search-block .search-box .btn-search {
    width: calc(100vw / 1920 * 70);
    height: calc(100vw / 1920 * 70);
    background-size: calc(100vw / 1920 * 36) auto;
  }
  .search-block .info {
    font-size: calc(100vw / 1920 * 30);
  }
  .search-block .info::before {
    width: calc(100vw / 1920 * 30);
    height: calc(100vw / 1920 * 30);
    margin-right: calc(100vw / 1920 * 5);
  }

  #family .outline-block .box .item .item-box {
    margin-bottom: calc(100vw / 1920 * 40);
  }
  #family .outline-block .box .item .name {
    margin-bottom: calc(100vw / 1920 * 30);
  }
  #family .outline-block .box .item .name::before {
    margin-right: calc(100vw / 1920 * 15);
    width: calc(100vw / 1920 * 40);
    height: calc(100vw / 1920 * 30);
    margin-top: calc(100vw / 1920 * 16);
  }
  #family .outline-block .box .item .name span {
    margin-left: calc(100vw / 1920 * 15);
  }
  #family .outline-block .box .item .group .character {
    box-shadow: calc(100vw / 1920 * 3) calc(100vw / 1920 * 3) calc(100vw / 1920 * 4) 0px rgba(0, 0, 0, 0.4);
    border-radius: calc(100vw / 1920 * 20);
    width: calc((100% / 5) - (100vw / 1920 * 20));
    margin: 0 0 calc(100vw / 1920 * 15) calc(100vw / 1920 * 25);
  }

  #transpose .outline-block .box .item .item-box {
    margin-bottom: calc(100vw / 1920 * 40);
  }
  #transpose .outline-block .box .item .name {
    margin-bottom: calc(100vw / 1920 * 30);
  }
  #transpose .outline-block .box .item .name::before {
    margin-right: calc(100vw / 1920 * 15);
    width: calc(100vw / 1920 * 40);
    height: calc(100vw / 1920 * 30);
    margin-top: calc(100vw / 1920 * 14);
  }
  #transpose .outline-block .box .item p {
    padding-left: calc(100vw / 1920 * 55);
    font-size: calc(100vw / 1920 * 36);
  }
  #transpose .outline-block .box .item .table table th, #transpose .outline-block .box .item .table table td {
    background-size: 100% calc(100vw / 1920 * 60);
    padding: calc(100vw / 1920 * 12);
  }
  #transpose .outline-block .box .item .table table .play-sound {
    padding-left: calc(100vw / 1920 * 40);
    padding-right: calc(100vw / 1920 * 40);
  }
  #transpose .outline-block .box .item .table table .play-sound::before {
    width: calc(100vw / 1920 * 60);
    height: calc(100vw / 1920 * 60);
    background-size: calc(100vw / 1920 * 37) auto;
    margin-right: calc(100vw / 1920 * 15);
  }
}
@media screen and (max-width: 1300px) {
  .blackboard-block {
    padding: calc(100vw / 1024 * 45) calc(100vw / 1024 * 70) calc(100vw / 1024 * 60);
    margin-top: calc(100vw / 1024 * 30);
  }
  .blackboard-block .blackboard {
    margin-top: calc(100vw / 1024 * 10);
  }
  .blackboard-block .blackboard ul {
    padding-left: calc(100vw / 1024 * 30);
  }
  .blackboard-block .blackboard .right .col1 {
    padding-right: calc(100vw / 1024 * 10);
    padding-top: calc(100vw / 1024 * 53);
  }
  .blackboard-block .blackboard .right .col2 {
    padding-top: calc(100vw / 1024 * 53);
  }
  .blackboard-block .blackboard .right .col2 .btn {
    height: calc(100vw / 1024 * 130);
    width: calc((100% / 3) - (100vw / 1024 * 8));
  }
  .blackboard-block .blackboard .right .col2 .btn-top {
    margin-bottom: calc(100vw / 1024 * 10);
    width: 100%;
    height: auto;
  }
  .blackboard-block .blackboard .right .col3 {
    padding-left: calc(100vw / 1024 * 10);
  }
  .blackboard-block .blackboard .right .btn {
    box-shadow: calc(100vw / 1024 * 3) calc(100vw / 1024 * 3) calc(100vw / 1024 * 4) 0 rgba(0, 0, 0, 0.4);
    font-size: calc(100vw / 1024 * 28);
    padding: calc(100vw / 1024 * 8) calc(100vw / 1024 * 10);
    border-radius: calc(100vw / 1024 * 20);
  }
  .blackboard-block .blackboard .right .bottom {
    margin-top: calc(100vw / 1024 * 30);
  }
  .blackboard-block .blackboard .right .bottom .w {
    font-size: calc(100vw / 1024 * 115);
    line-height: calc(100vw / 1024 * 100);
    padding: calc(100vw / 1024 * 6);
  }
}
@media screen and (max-width: 1023px) {
  html, body {
    font-size: calc(100vw / 768 * 26);
  }

  .wrap {
    padding: 0 15px;
  }

  .btn-float {
    width: calc(100vw / 768 * 80);
    height: calc(100vw / 768 * 80);
    font-size: calc(100vw / 768 * 26);
    box-shadow: calc(100vw / 768 * 5) calc(100vw / 768 * 5) calc(100vw / 768 * 4) 0px rgba(0, 0, 0, 0.4);
    right: 10px;
  }
  .btn-float.btnTop {
    bottom: calc(100vw / 768 * 230);
  }
  .btn-float.btn-menu1 {
    bottom: calc(100vw / 768 * 140);
  }
  .btn-float.btn-menu2 {
    bottom: calc(100vw / 768 * 50);
  }
  .btn-float .icon {
    width: calc(100vw / 768 * 80);
    height: calc(100vw / 768 * 80);
  }

  #header {
    padding: calc(100vw / 768 * 20) 0 calc(100vw / 768 * 10);
    box-shadow: 0px 4px 7px 1px rgba(0, 0, 0, 0.12);
  }
  #header .logo {
    width: calc(100vw / 768 * 325);
  }
  #header .btn-ham {
    display: block;
    position: fixed;
    width: calc(100vw / 768 * 50);
    height: calc(100vw / 768 * 50);
    right: 15px;
    top: calc(100vw / 768 * 25);
    background: url(../images/btn_ham.svg) no-repeat center center;
    background-size: calc(100vw / 768 * 37) auto;
  }
  #header .btn-ham.active {
    background-image: url(../images/btn_cloase.svg);
    background-size: calc(100vw / 768 * 34) auto;
  }
  #header #menu {
    display: none;
    margin-top: 0;
    position: fixed;
    width: 100%;
    height: calc(100% - (100vw / 768 * 98));
    overflow-y: auto;
    left: 0;
    top: calc(100vw / 768 * 98);
    background-color: #fff;
    box-shadow: 0px 4px 7px 1px rgba(0, 0, 0, 0.12) inset;
    padding: calc(100vw / 768 * 10) calc(100vw / 768 * 30) calc(100vw / 768 * 30);
  }
  #header #menu.active {
    display: block;
  }
  #header #menu ul {
    font-size: calc(100vw / 768 * 30);
    flex-direction: column;
  }
  #header #menu ul li {
    margin-top: calc(100vw / 768 * 20);
  }
  #header #menu ul li a {
    border-radius: 50px;
    padding: calc(100vw / 768 * 20) calc(100vw / 768 * 50);
  }
  #header #menu ul li a.sub-arrow::after {
    border-width: calc(100vw / 768 * 10);
    border-radius: calc(100vw / 768 * 5);
  }
  #header #menu > ul > li > a {
    background-color: #FFDEEA;
  }
  #header #menu > ul > li > a.sub-arrow {
    padding-right: calc(100vw / 768 * 45);
  }
  #header #menu > ul > li > a.sub-arrow::after {
    top: calc(100vw / 768 * 40);
    right: calc(100vw / 768 * 55);
  }
  #header #menu > ul > li > a i {
    width: calc(100vw / 768 * 50);
    height: calc(100vw / 768 * 50);
    margin-right: calc(100vw / 768 * 6);
  }
  #header #menu > ul > li > .sub {
    position: static;
  }
  #header #menu > ul > li > .sub > li > a {
    background-color: #2A2828;
  }
  #header #menu > ul > li > .sub > li > a.sub-arrow {
    padding-right: calc(100vw / 768 * 45);
  }
  #header #menu > ul > li > .sub > li > a.sub-arrow::after {
    top: calc(100vw / 768 * 32);
    right: calc(100vw / 768 * 55);
    border-top-color: #fff;
  }
  #header #menu > ul > li > .sub > li > a::before {
    width: calc(100vw / 768 * 7);
    height: calc(100vw / 768 * 7);
    left: calc(100vw / 768 * 95);
    top: calc(100vw / 768 * 32);
    background-color: #fff;
  }
  #header #menu .sub {
    background-color: transparent;
  }
  #header #menu .sub li {
    border: none;
  }
  #header #menu .sub li a {
    color: #fff;
    padding: calc(100vw / 768 * 15) calc(100vw / 768 * 50) calc(100vw / 768 * 15) calc(100vw / 768 * 110);
  }
  #header #menu .sub .sub {
    background-color: transparent;
    border: none;
  }
  #header #menu .sub .sub a {
    background-color: #615E5E;
    padding-left: calc(100vw / 768 * 132);
  }

  #footer {
    position: relative;
    z-index: 5;
  }
  #footer .wrap {
    align-items: flex-start;
  }
  #footer .logo {
    margin: 0;
  }
  #footer .counter {
    margin-bottom: 0;
    margin-top: 8px;
  }
  #footer p {
    font-size: 14px;
    text-align: left;
    margin-top: 30px;
  }
  #footer p span::before {
    height: 15px;
  }

  #landing {
    padding-top: calc(100vw / 768 * 100);
    padding-bottom: calc(100vw / 768 * 30);
    background-image: url(../images/index_bg_m.png);
    min-height: calc(100% - 143px);
  }
  #landing .logo {
    width: calc(100vw / 768 * 444);
  }
  #landing .logo::after {
    width: calc(100vw / 768 * 69);
    height: calc(100vw / 768 * 46);
    right: calc(100vw / 768 * -40);
    top: calc(100vw / 768 * -10);
  }
  #landing .menu-group {
    margin: calc(100vw / 768 * 149) auto 0;
    display: block;
    width: 100%;
  }
  #landing .menu-group .menu-btn {
    width: 100%;
  }
  #landing .menu-group .menu-btn a {
    width: calc(100vw / 768 * 325);
    height: calc(100vw / 768 * 325);
    border-width: calc(100vw / 768 * 15);
    line-height: 1.2;
  }
  #landing .menu-group .menu-btn a .name {
    font-size: calc(100vw / 768 * 50);
  }
  #landing .menu-group .menu-btn a .name .text-lg {
    font-size: calc(100vw / 768 * 70);
  }
  #landing .menu-group .menu-btn a p {
    margin-top: calc(100vw / 768 * 10);
    font-size: 14px;
  }
  #landing .menu-group .menu-btn:first-child {
    margin-right: 0;
    padding-left: calc(100vw / 768 * 45);
  }
  #landing .menu-group .menu-btn:first-child a {
    padding-right: calc(100vw / 768 * 50);
  }
  #landing .menu-group .menu-btn:first-child a::before {
    width: calc(100vw / 768 * 164);
    height: calc(100vw / 768 * 164);
    left: calc(100vw / 768 * -50);
    top: calc(100vw / 768 * -55);
  }
  #landing .menu-group .menu-btn:first-child a::after {
    width: calc(100vw / 768 * 203);
    height: calc(100vw / 768 * 334);
    right: calc(100vw / 768 * -105);
    top: calc(100vw / 768 * -95);
  }
  #landing .menu-group .menu-btn:nth-child(2) {
    text-align: right;
    margin-left: 0;
    padding-right: calc(100vw / 768 * 60);
    margin-top: calc(100vw / 768 * -120);
  }
  #landing .menu-group .menu-btn:nth-child(2) a {
    width: calc(100vw / 768 * 302);
    height: calc(100vw / 768 * 302);
    padding-left: calc(100vw / 768 * 47);
    display: inline-flex;
  }
  #landing .menu-group .menu-btn:nth-child(2) a::before {
    width: calc(100vw / 768 * 85);
    height: calc(100vw / 768 * 138);
    right: calc(100vw / 768 * -52);
    top: calc(100vw / 768 * 83);
  }
  #landing .menu-group .menu-btn:nth-child(2) a::after {
    width: calc(100vw / 768 * 182);
    height: calc(100vw / 768 * 252);
    left: calc(100vw / 768 * -102);
    top: calc(100vw / 768 * 18);
  }

  #container {
    padding-top: calc(100vw / 768 * 162);
  }
  #container::before {
    height: calc(100vw / 768 * 455);
    top: calc(100vw / 768 * 31);
  }
  #container::after {
    background-image: url(../images/bg_b_m.png);
    height: calc(100vw / 768 * 631);
    margin-top: calc(100vw / 768 * -264);
    margin-bottom: calc(100vw / 768 * -24);
    position: relative;
    z-index: -1;
  }

  .page-top {
    width: 88%;
    border-radius: calc(100vw / 768 * 90) calc(100vw / 768 * 90) 0 0;
    padding: calc(100vw / 768 * 35) calc(100vw / 768 * 50);
    height: auto;
  }
  .page-top::before {
    width: calc(100vw / 768 * 160);
    height: calc(100vw / 768 * 160);
    left: calc(100vw / 768 * -89);
    top: calc(100vw / 768 * 66);
  }
  .page-top::after {
    width: calc(100vw / 768 * 150);
    height: calc(100vw / 768 * 121);
    right: calc(100vw / 768 * -25);
    top: calc(100vw / 768 * -35);
  }
  .page-top .breadcrumbs {
    margin: 0 0 calc(100vw / 768 * 30);
    font-size: calc(100vw / 768 * 16);
    line-height: calc(100vw / 768 * 23);
  }
  .page-top .breadcrumbs li a {
    padding: 0 calc(100vw / 768 * 5) 0 calc(100vw / 768 * 8);
  }
  .page-top .breadcrumbs li a i {
    width: calc(100vw / 768 * 23);
    margin-right: calc(100vw / 768 * 2);
  }
  .page-top .page-title {
    font-size: calc(100vw / 768 * 36);
  }
  .page-top .page-title span {
    display: block;
    margin-bottom: calc(100vw / 768 * 10);
  }
  .page-top .page-top-arrow {
    font-size: calc(100vw / 768 * 28);
    padding: calc(100vw / 768 * 6) calc(100vw / 768 * 20) calc(100vw / 768 * 10);
    border-width: calc(100vw / 768 * 6);
    border-radius: calc(100vw / 768 * 100);
    top: auto;
    bottom: 6%;
  }
  .page-top .page-top-arrow.page-top-prev {
    left: calc(100vw / 768 * -65);
  }
  .page-top .page-top-arrow.page-top-next {
    right: calc(100vw / 768 * -65);
  }
  .page-top #page-menu {
    display: none;
  }

  .section {
    margin-top: calc(100vw / 768 * 45);
    border-radius: calc(100vw / 768 * 30);
    border-width: calc(100vw / 768 * 15);
    padding: calc(100vw / 768 * 30) calc(100vw / 768 * 20) calc(100vw / 768 * 120);
  }
  .section::before {
    height: calc(100vw / 768 * 45);
    top: calc(100vw / 768 * -59);
  }
  .section::after {
    width: calc(100vw / 768 * 128);
    height: calc(100vw / 768 * 210);
    right: calc(100vw / 768 * 25);
    bottom: calc(100vw / 768 * -118);
  }
  .section .top-title {
    display: block;
    margin-bottom: calc(100vw / 768 * 10);
  }
  .section .top-title::after {
    content: ' ';
    display: block;
    height: 0;
    clear: both;
  }
  .section .top-title .date {
    font-size: calc(100vw / 768 * 21);
    margin-bottom: calc(100vw / 768 * 10);
    margin-top: 0;
  }
  .section .top-title .date::before {
    width: calc(100vw / 768 * 25);
    height: calc(100vw / 768 * 25);
    margin-right: calc(100vw / 768 * 8);
    margin-top: calc(100vw / 768 * 2);
  }
  .section .title {
    font-size: calc(100vw / 768 * 40);
    margin-bottom: calc(100vw / 768 * 30);
  }
  .section .title::before {
    width: calc(100vw / 768 * 100);
    height: calc(100vw / 768 * 100);
  }
  .section .title .line {
    border-radius: 0 calc(100vw / 768 * 50) calc(100vw / 768 * 50) 0;
    margin-bottom: 0;
    margin-left: calc(100vw / 768 * -6);
    padding: 0 calc(100vw / 768 * 50) calc(100vw / 768 * 6) calc(100vw / 768 * 12);
  }
  .section .title .line .word {
    margin: 0 calc(100vw / 768 * 6);
  }
  .section .title .line .word .pinyin {
    font-size: calc(100vw / 768 * 30);
  }
  .section .title.title-no-icon {
    margin-bottom: calc(100vw / 768 * 30);
  }
  .section .sub-title {
    font-size: calc(100vw / 768 * 40);
    padding: calc(100vw / 768 * 20) calc(100vw / 768 * 30);
    margin: 0;
    border-radius: calc(100vw / 768 * 30);
  }
  .section .select-block {
    margin-left: 0;
    margin-top: 0;
    float: right;
  }
  .section .select-block .select-box {
    font-size: calc(100vw / 768 * 30);
    padding: calc(100vw / 768 * 15) calc(100vw / 768 * 85) calc(100vw / 768 * 15) calc(100vw / 768 * 30);
    border-radius: calc(100vw / 768 * 35);
    width: calc(100vw / 768 * 265);
  }
  .section .select-block .select-box::after {
    border-width: calc(100vw / 768 * 10);
    border-radius: calc(100vw / 768 * 5);
    top: calc(100vw / 768 * 32);
    right: calc(100vw / 768 * 35);
  }
  .section .select-block .select-box ul {
    border-radius: calc(100vw / 768 * 40);
  }
  .section .select-block .select-box ul li label {
    padding: calc(100vw / 768 * 15) calc(100vw / 768 * 85) calc(100vw / 768 * 15) calc(100vw / 768 * 30);
  }
  .section .select-block .select-sound {
    margin-top: calc(100vw / 768 * 5);
    margin-left: calc(100vw / 768 * 25);
  }
  .section .select-block .select-sound a {
    width: calc(100vw / 768 * 60);
    height: calc(100vw / 768 * 60);
    background-size: calc(100vw / 768 * 37) auto;
  }
  .section.section-last {
    padding-bottom: calc(100vw / 768 * 30);
  }
  .section.section-first {
    padding-top: calc(100vw / 768 * 40);
  }

  .page-control {
    border-radius: 0 0 calc(100vw / 768 * 30) calc(100vw / 768 * 30);
    padding: calc(100vw / 768 * 20) calc(100vw / 768 * 20) calc(100vw / 768 * 30);
  }
  .page-control a {
    font-size: calc(100vw / 768 * 24);
  }
  .page-control a::before {
    width: calc(100vw / 768 * 80);
    height: calc(100vw / 768 * 80);
  }
  .page-control a .line {
    border-radius: 0 calc(100vw / 768 * 50) calc(100vw / 768 * 50) 0;
    margin-bottom: calc(100vw / 768 * 5);
    margin-left: calc(100vw / 768 * -6);
    padding: calc(100vw / 768 * 2) calc(100vw / 768 * 20) calc(100vw / 768 * 4) calc(100vw / 768 * 10);
  }
  .page-control a.btn-center {
    padding-right: calc(100vw / 768 * 15);
  }
  .page-control a.btn-center::before {
    margin-right: calc(100vw / 768 * -20);
  }
  .page-control a.btn-center .line {
    padding-left: calc(100vw / 768 * 15);
    padding-right: calc(100vw / 768 * 15);
    height: calc(100vw / 768 * 50);
  }
  .page-control a.btn-center .line::before {
    border-width: calc(100vw / 768 * 25) calc(100vw / 768 * 15);
    left: calc(100vw / 768 * -15);
  }
  .page-control a.btn-center .line::after {
    border-width: calc(100vw / 768 * 25) calc(100vw / 768 * 15);
    right: calc(100vw / 768 * -15);
  }

  .popup-window {
    margin: calc(100vw / 768 * 30) auto;
    border-radius: calc(100vw / 768 * 15);
  }
  .popup-window .popup-title {
    font-size: calc(100vw / 768 * 34);
    padding: calc(100vw / 768 * 18) calc(100vw / 768 * 30);
  }
  .popup-window .popup-title .popup-close {
    width: calc(100vw / 768 * 50);
    height: calc(100vw / 768 * 50);
    right: calc(100vw / 768 * 25);
    top: calc(100vw / 768 * 19);
  }
  .popup-window .popup {
    padding: calc(100vw / 768 * 20);
  }
  .popup-window .popup .menu-group {
    flex-direction: column;
  }
  .popup-window .popup .menu-group a {
    width: 100%;
    font-size: calc(100vw / 768 * 30);
    border-width: calc(100vw / 768 * 6);
    box-shadow: calc(100vw / 768 * 3) calc(100vw / 768 * 3) calc(100vw / 768 * 4) 0 rgba(0, 0, 0, 0.4);
    padding: calc(100vw / 768 * 20) calc(100vw / 768 * 20);
    margin: calc(100vw / 768 * 12) 0;
    border-radius: calc(100vw / 768 * 30);
    line-height: 1.2;
  }
  .popup-window .popup .menu-group a .pinyin-box {
    padding-left: calc(100vw / 768 * 12);
  }
  .popup-window .popup .menu-group a .pinyin-box .word {
    margin-top: calc(100vw / 768 * -11);
    margin-bottom: calc(100vw / 768 * -10);
  }

  .pinyin-type {
    font-size: calc(100vw / 768 * 48);
  }
  .pinyin-type.only-pinyin .word .pinyin {
    font-size: calc(100vw / 768 * 44);
  }
  .pinyin-type .pinyin-row {
    padding: calc(100vw / 768 * 30) 0 calc(100vw / 768 * 15);
  }
  .pinyin-type .pinyin-row .play-sound {
    width: calc(100vw / 768 * 60);
    height: calc(100vw / 768 * 60);
    background-size: calc(100vw / 768 * 37) auto;
    margin-top: calc(100vw / 768 * 5);
  }
  .pinyin-type .word {
    margin: 0 calc(100vw / 768 * 15) calc(100vw / 768 * 20);
  }
  .pinyin-type .word .pinyin {
    margin-bottom: calc(100vw / 768 * 10);
  }

  .card-style1 {
    margin: 0 calc(100vw / 768 * -15);
  }
  .card-style1 .card {
    padding: 0 calc(100vw / 768 * 15);
    margin: calc(100vw / 768 * 20) 0;
    width: calc(100% / 2);
  }
  .card-style1 .card.card-full {
    width: 100%;
  }
  .card-style1 .card .card-nav {
    border-width: 1px;
    border-radius: calc(100vw / 768 * 12) calc(100vw / 768 * 12) 0 0;
  }
  .card-style1 .card .card-nav a {
    height: calc(100vw / 768 * 65);
  }
  .card-style1 .card .card-nav a.btn-book {
    background-size: calc(100vw / 768 * 36) auto;
  }
  .card-style1 .card .card-nav a.btn-sound {
    background-size: calc(100vw / 768 * 50) auto;
  }
  .card-style1 .card .card-box {
    border-width: 1px;
    border-radius: 0 0 calc(100vw / 768 * 12) calc(100vw / 768 * 12);
  }
  .card-style1 .card .card-box .card-text {
    min-height: calc(100vw / 768 * 170);
    font-size: calc(100vw / 768 * 48);
    padding: calc(100vw / 768 * 20) calc(100vw / 768 * 15);
  }
  .card-style1 .card .card-box .card-text .word {
    margin: 0 calc(100vw / 768 * 3);
  }
  .card-style1 .card .card-box .card-text .word .pinyin {
    font-size: calc(100vw / 768 * 40);
    margin-bottom: calc(100vw / 768 * 5);
  }

  .card-style2 .card-top {
    flex-wrap: wrap;
  }
  .card-style2 .card-top .word-item {
    width: calc(100vw / 768 * 150);
    font-size: calc(100vw / 768 * 60);
    line-height: calc(100vw / 768 * 96);
  }
  .card-style2 .card-top .arrow {
    width: calc(100vw / 768 * 39);
    margin: 0 0 0 calc(100vw / 768 * 80);
    line-height: calc(100vw / 768 * 120);
    height: calc(100vw / 768 * 96);
  }
  .card-style2 .card-top .card-list {
    flex: auto;
    width: 100%;
  }
  .card-style2 .card-top .card-list .card {
    margin: calc(100vw / 768 * 30) calc(100vw / 768 * 10) 0;
    border-radius: calc(100vw / 768 * 15);
    font-size: calc(100vw / 768 * 40);
    width: calc((100% / 2) - (100vw / 768 * 20));
  }
  .card-style2 .card-top .card-list .card .top {
    padding: calc(100vw / 768 * 10) calc(100vw / 768 * 20);
  }
  .card-style2 .card-top .card-list .card .top a {
    width: calc(100vw / 768 * 55);
    height: calc(100vw / 768 * 46);
    background-size: calc(100vw / 768 * 35) auto;
  }
  .card-style2 .card-top .card-list .card .text {
    padding: calc(100vw / 768 * 20);
  }
  .card-style2 .card-top .card-list .card .text .sm {
    font-size: calc(100vw / 768 * 24);
  }
  .card-style2 .card-table {
    margin-top: calc(100vw / 768 * 30);
    border-radius: calc(100vw / 768 * 15);
    overflow-x: auto;
    border: none;
  }
  .card-style2 .card-table table {
    border: 2px solid #3E6C6A;
    table-layout: auto;
  }
  .card-style2 .card-table table td {
    white-space: nowrap;
    font-size: calc(100vw / 768 * 36);
    padding: calc(100vw / 768 * 25) calc(100vw / 768 * 70) calc(100vw / 768 * 25) calc(100vw / 768 * 20);
  }
  .card-style2 .card-table table td a {
    margin: calc(100vw / 768 * -25) calc(100vw / 768 * -70) calc(100vw / 768 * -25) calc(100vw / 768 * -20);
    padding: calc(100vw / 768 * 25) calc(100vw / 768 * 70) calc(100vw / 768 * 25) calc(100vw / 768 * 20);
  }
  .card-style2 .card-table table td a::after {
    width: calc(100vw / 768 * 35);
    height: calc(100vw / 768 * 27);
    right: calc(100vw / 768 * 20);
    top: calc(100vw / 768 * 34);
  }
  .card-style2 .card-table table td.name {
    width: calc(100vw / 768 * 180);
    padding-left: calc(100vw / 768 * 20);
    padding-right: calc(100vw / 768 * 20);
  }
  .card-style2 .card-table table td .word {
    font-size: calc(100vw / 768 * 40);
    margin: 0 calc(100vw / 768 * 2);
  }
  .card-style2 .card-table table td .word .pinyin {
    font-size: calc(100vw / 768 * 30);
    margin-bottom: calc(100vw / 768 * 10);
  }

  .pinyin-style1 {
    margin: 0 calc(100vw / 768 * -6);
  }
  .pinyin-style1 .pinyin-item {
    width: 100%;
    padding: calc(100vw / 768 * 20) calc(100vw / 768 * 20) calc(100vw / 768 * 20) calc(100vw / 768 * 30);
    margin: calc(100vw / 768 * 20) 0;
    font-size: calc(100vw / 768 * 36);
    border-radius: calc(100vw / 768 * 150);
  }
  .pinyin-style1 .pinyin-item .text .sound-item {
    font-size: calc(100vw / 768 * 30);
  }
  .pinyin-style1 .pinyin-item .text .sound-item .top {
    font-size: calc(100vw / 768 * 24);
    margin-bottom: calc(100vw / 768 * 5);
  }
  .pinyin-style1 .pinyin-item .text .symbol {
    width: calc(100vw / 768 * 27);
  }

  .pinyin-style2 .pinyin-item {
    padding: calc(100vw / 768 * 30) calc(100vw / 768 * 20);
    font-size: calc(100vw / 768 * 30);
    border-radius: calc(100vw / 768 * 50);
    height: auto;
    flex-direction: column;
  }
  .pinyin-style2 .pinyin-item + .pinyin-item {
    margin-top: calc(100vw / 768 * 30);
  }
  .pinyin-style2 .pinyin-item .text .word {
    margin: 0 calc(100vw / 768 * 9) calc(100vw / 768 * 15);
  }
  .pinyin-style2 .pinyin-item .text .word-row {
    display: block;
  }
  .pinyin-style2 .pinyin-item.only-pinyin .text .word .pinyin {
    font-size: calc(100vw / 768 * 30);
  }
  .pinyin-style2 .pinyin-item .control {
    margin-top: calc(100vw / 768 * 40);
    padding-right: calc(100vw / 768 * 9);
    text-align: right;
    width: 100%;
  }
  .pinyin-style2 .pinyin-item .control a {
    width: calc(100vw / 768 * 70);
    height: calc(100vw / 768 * 70);
    margin-left: calc(100vw / 768 * 20);
  }
  .pinyin-style2 .pinyin-item .control a.btn-word {
    line-height: calc(100vw / 768 * 68);
  }
  .pinyin-style2 .pinyin-item .control a.btn-word::before {
    font-size: calc(100vw / 768 * 40);
  }
  .pinyin-style2 .pinyin-item .control a.btn-sound {
    background-size: calc(100vw / 768 * 61) auto;
  }

  .outline-block {
    border-width: calc(100vw / 768 * 5);
    border-radius: calc(100vw / 768 * 50);
    padding: calc(100vw / 768 * 20) calc(100vw / 768 * 25);
    margin-top: calc(100vw / 768 * 25);
    margin-bottom: calc(100vw / 768 * 30);
    flex-direction: column;
  }
  .outline-block .box {
    padding: 0;
    font-size: calc(100vw / 768 * 30);
    width: 100%;
  }
  .outline-block .box .item {
    margin-bottom: calc(100vw / 768 * 15);
  }
  .outline-block .box .item .name {
    margin-bottom: calc(100vw / 768 * 12);
  }
  .outline-block .box .item .name::before {
    margin-right: calc(100vw / 768 * 10);
  }
  .outline-block .box .item .name::after {
    margin-left: calc(100vw / 768 * 10);
  }
  .outline-block .box .item .group .character {
    box-shadow: calc(100vw / 768 * 3) calc(100vw / 768 * 3) calc(100vw / 768 * 4) 0 rgba(0, 0, 0, 0.4);
    border-radius: calc(100vw / 768 * 20);
    width: calc(100vw / 768 * 100);
    padding: calc(100vw / 768 * 15) calc(100vw / 768 * 20) calc(100vw / 768 * 17);
    margin-right: calc(100vw / 768 * 10);
    margin-bottom: calc(100vw / 768 * 10);
  }
  .outline-block .box + .box {
    padding-left: 0;
    margin-left: 0;
    border-left: none;
  }
  .outline-block .table {
    overflow-x: auto;
  }
  .outline-block .table table {
    font-size: calc(100vw / 768 * 36);
  }
  .outline-block .table table thead {
    border-top-width: calc(100vw / 768 * 3);
    border-bottom-width: calc(100vw / 768 * 3);
  }
  .outline-block .table table thead th {
    white-space: nowrap;
    padding: calc(100vw / 768 * 30) calc(100vw / 768 * 20) calc(100vw / 768 * 12);
  }
  .outline-block .table table thead th.active::before {
    content: "";
    border-width: calc(100vw / 768 * 15) calc(100vw / 768 * 12);
    top: calc(100vw / 768 * 10);
    margin-left: calc(100vw / 768 * -12);
    border-radius: calc(100vw / 768 * 5);
  }
  .outline-block .table table tbody td {
    white-space: nowrap;
    padding: calc(100vw / 768 * 18) calc(100vw / 768 * 20) calc(100vw / 768 * 15);
  }
  .outline-block .table table tbody td .play-sound {
    width: calc(100vw / 768 * 60);
    height: calc(100vw / 768 * 60);
    background-size: calc(100vw / 768 * 37) auto;
  }
  .outline-block .table table tbody tr {
    border-top-width: calc(100vw / 768 * 5);
  }
  .outline-block.outline-r .box .item.line {
    border-width: calc(100vw / 768 * 5);
    padding-top: calc(100vw / 768 * 25);
    margin-top: calc(100vw / 768 * 25);
  }
  .outline-block.pic1::after {
    position: static;
    width: 100%;
    height: calc(100vw / 768 * 342);
    bottom: calc(100vw / 768 * 30);
  }
  .outline-block.pic2::after {
    position: static;
    width: 100%;
    height: calc(100vw / 768 * 544);
    bottom: calc(100vw / 768 * 20);
  }

  .ps-block {
    padding: calc(100vw / 768 * 20) calc(100vw / 768 * 30);
    border-radius: calc(100vw / 768 * 30);
    font-size: calc(100vw / 768 * 36);
  }
  .ps-block ol {
    padding-left: calc(100vw / 768 * 30);
  }
  .ps-block .play-sound-icon {
    width: calc(100vw / 768 * 60);
    height: calc(100vw / 768 * 60);
    background-size: calc(100vw / 768 * 37) auto;
    /*margin-top: 0;*/
  }

  .word-block {
    margin-bottom: calc(100vw / 768 * 30);
    margin-top: calc(100vw / 768 * 30);
    padding: 0;
    flex-direction: column;
    background-image: url(../images/word_bg_m.png);
    background-size: 100% auto;
  }
  .word-block .text-block {
    width: 100%;
    padding: 0;
  }
  .word-block .text-block .txt {
    width: calc(100vw / 768 * 300);
    height: calc(100vw / 768 * 300);
    font-size: calc(100vw / 768 * 150);
    padding-bottom: calc(100vw / 768 * 50);
  }
  .word-block .text-block .txt-group {
    width: 100%;
    margin-top: calc(100vw / 768 * 20);
  }
  .word-block .text-block .txt-group .item p {
    margin: 0 0 calc(100vw / 768 * 6);
    font-size: calc(100vw / 768 * 40);
  }
  .word-block .text-block .txt-group .item .txt {
    width: calc(100vw / 768 * 130);
    height: calc(100vw / 768 * 130);
    font-size: calc(100vw / 768 * 60);
    padding-bottom: calc(100vw / 768 * 12);
  }
  .word-block .img-block {
    width: calc(100% - (100vw / 768 * 40));
    margin: calc(100vw / 768 * 30) auto 0;
    height: calc(100vw / 768 * 460);
  }
  .word-block .img-block .tabs-nav {
    margin: calc(100vw / 768 * 24) 0 calc(100vw / 768 * 21);
  }
  .word-block .img-block .tabs-nav li {
    border-left-width: calc(100vw / 768 * 2);
  }
  .word-block .img-block .tabs-nav li a {
    padding: 0 calc(100vw / 768 * 12);
  }
  .word-block .img-block .img {
    border-width: calc(100vw / 768 * 7);
    border-radius: calc(100vw / 768 * 20);
    margin-bottom: calc(100vw / 768 * 10);
  }
  .word-block .img-block .btn-block {
    margin-top: calc(100vw / 768 * 12);
  }
  .word-block .img-block .btn-block a {
    box-shadow: calc(100vw / 768 * 3) calc(100vw / 768 * 3) calc(100vw / 768 * 4) 0px rgba(0, 0, 0, 0.4);
    border-radius: calc(100vw / 768 * 50);
    font-size: calc(100vw / 768 * 34);
    padding: calc(100vw / 768 * 7) calc(100vw / 768 * 30) calc(100vw / 768 * 11);
  }
  .word-block .img-block .btn-block a::before {
    width: calc(100vw / 768 * 37);
    height: calc(100vw / 768 * 28);
    margin-right: calc(100vw / 768 * 16);
    margin-top: calc(100vw / 768 * 11);
  }
  .word-block .img-block .btn-block.btn-grounp {
    box-shadow: calc(100vw / 768 * 3) calc(100vw / 768 * 3) calc(100vw / 768 * 4) 0px rgba(0, 0, 0, 0.4);
    border-radius: calc(100vw / 768 * 50);
    width: 74%;
  }
  .word-block .img-block .btn-block.btn-grounp a {
    font-size: calc(100vw / 768 * 21);
    padding: calc(100vw / 768 * 25) calc(100vw / 768 * 6) calc(100vw / 768 * 8);
  }
  .word-block .img-block .btn-block.btn-grounp a.active::after {
    border-width: calc(100vw / 768 * 10) calc(100vw / 768 * 8);
    border-radius: calc(100vw / 768 * 3);
    top: calc(100vw / 768 * 12);
    margin-left: calc(100vw / 768 * -7);
  }

  .blackboard-block {
    padding: calc(100vw / 768 * 70) calc(100vw / 768 * 30) calc(100vw / 768 * 100);
    background-size: auto 100%;
  }
  .blackboard-block ul {
    padding-left: calc(100vw / 768 * 50);
  }
  .blackboard-block .blackboard {
    margin-top: calc(100vw / 768 * 10);
    flex-direction: column;
  }
  .blackboard-block .blackboard .tabs-nav {
    border-bottom-width: calc(100vw / 768 * 1);
  }
  .blackboard-block .blackboard .tabs-nav li {
    margin: 0 calc(100vw / 768 * 3);
  }
  .blackboard-block .blackboard .tabs-nav li a {
    padding: calc(100vw / 768 * 10) calc(100vw / 768 * 45) calc(100vw / 768 * 5);
    font-size: calc(100vw / 768 * 40);
    border-radius: calc(100vw / 768 * 30) calc(100vw / 768 * 30) 0 0;
    box-shadow: calc(100vw / 768 * 4) calc(100vw / 768 * 4) calc(100vw / 768 * 8) 0px rgba(0, 0, 0, 0.8) inset;
  }
  .blackboard-block .blackboard .tabs-nav li a i {
    margin-right: calc(100vw / 768 * 8);
    width: calc(100vw / 768 * 40);
    margin-top: calc(100vw / 768 * -5);
  }
  .blackboard-block .blackboard .tabs-nav li a i svg {
    width: calc(100vw / 768 * 40);
    height: calc(100vw / 768 * 36);
  }
  .blackboard-block .blackboard .tabs-content {
    padding: calc(100vw / 768 * 30) 0 0;
  }
  .blackboard-block .blackboard .tabs-content .blackboard-title {
    font-size: calc(100vw / 768 * 48);
  }
  .blackboard-block .blackboard .tabs-content p {
    font-size: calc(100vw / 768 * 36);
    margin: calc(100vw / 768 * 10) 0 calc(100vw / 768 * 20);
  }
  .blackboard-block .blackboard .tabs-content p .br {
    display: inline;
  }
  .blackboard-block .blackboard .tabs-content .btn-link {
    padding: calc(100vw / 768 * 8) calc(100vw / 768 * 50);
    border-radius: calc(100vw / 768 * 100);
  }
  .blackboard-block .blackboard .tabs-content .text-lg {
    font-size: calc(100vw / 768 * 48);
  }
  .blackboard-block .blackboard .tabs-content .bottom {
    margin-top: calc(100vw / 768 * 30);
  }
  .blackboard-block .blackboard .tabs-content .bottom .left {
    width: 40%;
    margin-right: calc(100vw / 768 * 20);
  }
  .blackboard-block .blackboard .tabs-content .bottom .left img {
    width: 100%;
  }
  .blackboard-block .blackboard .tabs-content .bottom .left .play-sound {
    width: calc(100vw / 768 * 50);
    height: calc(100vw / 768 * 50);
    background-size: calc(100vw / 768 * 29) auto;
  }
  .blackboard-block .blackboard .tabs-content .bottom .right {
    width: 56%;
  }
  .blackboard-block .blackboard .left {
    margin-top: calc(100vw / 768 * 25);
    width: 100%;
    text-align: center;
  }
  .blackboard-block .blackboard .left img {
    width: 70%;
  }
  .blackboard-block .blackboard .left .doll-sound {
    width: calc(100vw / 768 * 60);
    height: calc(100vw / 768 * 60);
    background-size: calc(100vw / 768 * 37) auto;
  }
  .blackboard-block .blackboard .right {
    width: 100%;
  }
  .blackboard-block .blackboard .right .col1 {
    padding-right: calc(100vw / 768 * 10);
    padding-top: calc(100vw / 768 * 53);
  }
  .blackboard-block .blackboard .right .col2 {
    padding-top: calc(100vw / 768 * 53);
  }
  .blackboard-block .blackboard .right .col2 .btn {
    height: calc(100vw / 768 * 165);
    width: calc((100% / 3) - (100vw / 768 * 8));
  }
  .blackboard-block .blackboard .right .col2 .btn-top {
    margin-bottom: calc(100vw / 768 * 10);
    width: 100%;
    height: auto;
  }
  .blackboard-block .blackboard .right .col3 {
    padding-left: calc(100vw / 768 * 10);
  }
  .blackboard-block .blackboard .right .btn {
    font-size: calc(100vw / 768 * 40);
    box-shadow: calc(100vw / 768 * 3) calc(100vw / 768 * 3) calc(100vw / 768 * 4) 0 rgba(0, 0, 0, 0.4);
    padding: calc(100vw / 768 * 8) calc(100vw / 768 * 10);
    border-radius: calc(100vw / 768 * 20);
  }
  .blackboard-block .blackboard .right .bottom {
    margin-top: calc(100vw / 768 * 30);
  }
  .blackboard-block .blackboard .right .bottom .w {
    font-size: calc(100vw / 768 * 150);
    line-height: calc(100vw / 768 * 130);
    padding: calc(100vw / 768 * 6);
  }
  .blackboard-block .blackboard .table {
    overflow-x: auto;
  }
  .blackboard-block .blackboard .table table {
    font-size: calc(100vw / 768 * 36);
  }
  .blackboard-block .blackboard .table table thead th {
    white-space: nowrap;
    padding: calc(100vw / 768 * 30) calc(100vw / 768 * 25) calc(100vw / 768 * 12);
  }
  .blackboard-block .blackboard .table table thead th.active::before {
    content: "";
    border-width: calc(100vw / 768 * 15) calc(100vw / 768 * 12);
    top: calc(100vw / 768 * 10);
    margin-left: calc(100vw / 768 * -12);
    border-radius: calc(100vw / 768 * 5);
  }
  .blackboard-block .blackboard .table table tbody td {
    white-space: nowrap;
    padding: calc(100vw / 768 * 18) calc(100vw / 768 * 25) calc(100vw / 768 * 15);
  }
  .blackboard-block .blackboard .table table tbody td .play-sound {
    width: calc(100vw / 768 * 60);
    height: calc(100vw / 768 * 60);
    background-size: calc(100vw / 768 * 37) auto;
  }
  .blackboard-block .blackboard.blackboard2 {
    flex-direction: column;
  }
  .blackboard-block .blackboard.blackboard2 .table {
    width: 100%;
  }
  .blackboard-block .blackboard.blackboard2 .table-img {
    width: 100%;
    margin-top: calc(100vw / 768 * 30);
  }

  #qa.section .title {
    margin-bottom: calc(100vw / 768 * 30);
    padding: 0 calc(100vw / 768 * 15);
    margin-top: 0;
    font-size: calc(100vw / 768 * 40);
    line-height: 1.5;
  }
  #qa .qa-block {
    flex-direction: column;
  }
  #qa .qa-block .left {
    width: 100%;
    margin-right: 0;
  }
  #qa .qa-block .left .qa-list li {
    border-bottom-width: calc(100vw / 768 * 2);
  }
  #qa .qa-block .left .qa-list li a {
    padding: calc(100vw / 768 * 20) calc(100vw / 768 * 20) calc(100vw / 768 * 20) calc(100vw / 768 * 90);
    font-size: calc(100vw / 768 * 40);
  }
  #qa .qa-block .left .qa-list li a::before {
    width: calc(100vw / 768 * 60);
    height: calc(100vw / 768 * 60);
    left: calc(100vw / 768 * 15);
    top: calc(100vw / 768 * 19);
  }
  #qa .qa-block .right {
    width: 100%;
    padding: calc(100vw / 768 * 50) 0 0;
    text-align: center;
    margin-top: calc(100vw / 768 * 30);
  }
  #qa .qa-block .right img {
    width: 68%;
    display: inline-block;
  }
  #qa .qa-block .right .doll-sound {
    right: calc(100vw / 768 * 60);
    width: calc(100vw / 768 * 60);
    height: calc(100vw / 768 * 60);
    background-size: calc(100vw / 768 * 37) auto;
  }

  .ball-block {
    margin-top: calc(100vw / 768 * 30);
  }
  .ball-block .tabs-nav {
    margin: 0 0 calc(100vw / 768 * 30);
    flex-wrap: wrap;
  }
  .ball-block .tabs-nav li {
    width: calc(100% / 3);
    margin-bottom: calc(100vw / 768 * 10);
  }
  .ball-block .tabs-nav li a {
    width: calc(100vw / 768 * 205);
    height: calc(100vw / 768 * 205);
    font-size: calc(100vw / 768 * 40);
    background-size: calc(100vw / 768 * 199) auto;
    border-width: calc(100vw / 768 * 12);
  }
  .ball-block .tabs-nav li a::after {
    bottom: calc(100vw / 768 * 12);
    height: calc(100vw / 768 * 54);
    background-size: calc(100vw / 768 * 40) auto;
  }
  .ball-block .tabs-content {
    flex-direction: column;
  }
  .ball-block .left {
    width: 100%;
    margin-right: 0;
    margin-bottom: calc(100vw / 768 * 50);
    border-radius: calc(100vw / 768 *80);
    padding: calc(100vw / 768 * 40) calc(100vw / 768 * 40) calc(100vw / 768 * 45);
    font-size: calc(100vw / 768 * 46);
  }
  .ball-block .left::after {
    border-width: calc(100vw / 768 * 45) calc(100vw / 768 * 30);
    right: auto;
    bottom: calc(100vw / 768 * -85);
    left: 50%;
    top: auto;
    margin-left: calc(100vw / 768 * -30);
    border-color: #E3E3E3 transparent transparent transparent;
  }
  .ball-block .left .name {
    font-size: calc(100vw / 768 * 36);
    padding: calc(100vw / 768 * 6) calc(100vw / 768 * 12);
    border-radius: calc(100vw / 768 * 20) 0;
  }
  .ball-block .left p {
    margin: calc(100vw / 768 * 8) 0 0;
  }
  .ball-block .right {
    width: 100%;
    text-align: center;
  }
  .ball-block .right img {
    width: 75%;
    display: inline-block;
  }
  .ball-block .right .doll-sound {
    left: calc(100vw / 768 * 80);
    width: calc(100vw / 768 * 60);
    height: calc(100vw / 768 * 60);
    background-size: calc(100vw / 768 * 37) auto;
  }

  .blackboard2-block {
    margin-top: calc(100vw / 768 * 30);
  }
  .blackboard2-block .blackboard {
    flex-direction: column;
  }
  .blackboard2-block .blackboard .left {
    width: 100%;
    padding: calc(100vw / 768 * 50) calc(100vw / 768 * 20);
    background-size: auto 100%;
  }
  .blackboard2-block .blackboard .left .blackboard-title {
    font-size: calc(100vw / 768 * 40);
  }
  .blackboard2-block .blackboard .left p {
    font-size: calc(100vw / 768 * 36);
    margin: calc(100vw / 768 * 10) 0 calc(100vw / 768 * 40);
    text-align: left;
  }
  .blackboard2-block .blackboard .left ul {
    margin: 0 0 calc(100vw / 768 * 12);
    border-bottom-width: calc(100vw / 768 * 5);
  }
  .blackboard2-block .blackboard .left ul li {
    margin: 0 calc(100vw / 768 * 5);
  }
  .blackboard2-block .blackboard .left ul li .btn {
    padding: calc(100vw / 768 * 10) calc(100vw / 768 * 30);
    font-size: calc(100vw / 768 * 40);
    border-radius: calc(100vw / 768 * 30) calc(100vw / 768 * 30) 0 0;
    box-shadow: 0px calc(100vw / 768 * -5) calc(100vw / 768 * 10) 0px rgba(0, 0, 0, 0.4) inset;
    margin-bottom: calc(100vw / 768 * -4);
  }
  .blackboard2-block .blackboard .left .bottom .word {
    font-size: calc(100vw / 768 * 50);
  }
  .blackboard2-block .blackboard .left .bottom .word .pinyin {
    font-size: calc(100vw / 768 * 60);
    letter-spacing: calc(100vw / 768 * 2);
  }
  .blackboard2-block .blackboard .left .bottom .play-sound {
    margin-top: calc(100vw / 768 * 20);
    width: calc(100vw / 768 * 60);
    height: calc(100vw / 768 * 60);
    background-size: calc(100vw / 768 * 37) auto;
  }
  .blackboard2-block .blackboard .right {
    width: 56%;
    margin: calc(100vw / 768 * 30) auto 0;
  }
  .blackboard2-block .blackboard .right .doll-sound {
    width: calc(100vw / 768 * 60);
    height: calc(100vw / 768 * 60);
    background-size: calc(100vw / 768 * 37) auto;
  }

  #qa4 #tabs2 .bottom {
    align-items: flex-end;
  }
  #qa4 #tabs2 .bottom .left {
    width: 29%;
    padding-top: calc(100vw / 768 * 20);
    margin-right: calc(100vw / 768 * 12);
  }
  #qa4 #tabs2 .bottom .right {
    width: 68%;
  }

  #qa5 .btn {
    margin-top: calc(100vw / 768 * 15);
  }
  #qa5 table thead th {
    padding: calc(100vw / 768 * 8) calc(100vw / 768 * 12);
  }
  #qa5 table thead th a {
    padding: calc(100vw / 768 * 7) 0 calc(100vw / 768 * 13);
    width: calc(100vw / 768 * 120);
    box-shadow: calc(100vw / 768 * 3) calc(100vw / 768 * 3) calc(100vw / 768 * 4) 0px rgba(0, 0, 0, 0.4);
    border-radius: calc(100vw / 768 * 25);
    font-size: calc(100vw / 768 * 40);
  }
  #qa5 table tbody tr td {
    font-size: calc(100vw / 768 * 54);
    padding: calc(100vw / 768 * 8) calc(100vw / 768 * 12);
  }
  #qa5 table tbody tr td:first-child {
    font-size: calc(100vw / 768 * 40);
  }
  #qa5 .bottom {
    margin-top: calc(100vw / 768 * 45);
  }
  #qa5 .bottom .left {
    display: none;
  }
  #qa5 .bottom .right {
    width: 100%;
  }

  #course .blackboard .left {
    flex-direction: column;
    padding-bottom: calc(100vw / 768 * 80);
  }
  #course .blackboard .left ul {
    padding: 0 calc(100vw / 768 * 15);
    width: 100%;
    margin-bottom: 0;
  }
  #course .blackboard .left ul li {
    font-size: calc(100vw / 768 * 48);
    margin: calc(100vw / 768 * 20) 0;
  }
  #course .blackboard .left ul li:first-child {
    margin-bottom: calc(100vw / 768 * 30);
  }
  #course .blackboard .left ul li a {
    border-radius: calc(100vw / 768 * 30);
    font-size: calc(100vw / 768 * 36);
    padding: calc(100vw / 768 * 15) calc(100vw / 768 * 15) calc(100vw / 768 * 17);
  }

  .search-block {
    margin-bottom: calc(100vw / 768 * 25);
    flex-direction: column;
  }
  .search-block .search-box {
    margin-right: 0;
    justify-content: space-between;
  }
  .search-block .search-box label {
    margin-right: 0;
    font-size: calc(100vw / 768 * 36);
  }
  .search-block .search-box input {
    border-width: calc(100vw / 768 * 2);
    border-radius: calc(100vw / 768 * 12);
    width: 55%;
    margin-right: 0;
    height: calc(100vw / 768 * 70);
    font-size: calc(100vw / 768 * 30);
    padding: calc(100vw / 768 * 10);
  }
  .search-block .search-box .btn-search {
    width: calc(100vw / 768 * 70);
    height: calc(100vw / 768 * 70);
    background-size: calc(100vw / 768 * 36) auto;
  }
  .search-block .info {
    font-size: calc(100vw / 768 * 30);
    text-align: center;
    margin: calc(100vw / 768 * 10) 0 0;
  }
  .search-block .info::before {
    width: calc(100vw / 768 * 30);
    height: calc(100vw / 768 * 30);
    margin-right: calc(100vw / 768 * 5);
  }

  #family .outline-block .box .item .item-box {
    margin-bottom: calc(100vw / 768 * 30);
  }
  #family .outline-block .box .item .name {
    margin-bottom: calc(100vw / 768 * 20);
    font-size: calc(100vw / 768 * 40);
  }
  #family .outline-block .box .item .name::before {
    margin-right: calc(100vw / 768 * 15);
    width: calc(100vw / 768 * 40);
    height: calc(100vw / 768 * 30);
    margin-top: calc(100vw / 768 * 14);
  }
  #family .outline-block .box .item .name span {
    margin-left: calc(100vw / 768 * 15);
  }
  #family .outline-block .box .item .group .character {
    box-shadow: calc(100vw / 768 * 3) calc(100vw / 768 * 3) calc(100vw / 768 * 4) 0px rgba(0, 0, 0, 0.4);
    border-radius: calc(100vw / 768 * 20);
    width: calc((100% / 5) - (100vw / 768 * 8));
    margin: 0 0 calc(100vw / 768 * 15) calc(100vw / 768 * 10);
    font-size: calc(100vw / 768 * 30);
    padding-left: 0;
    padding-right: 0;
  }

  #transpose .outline-block .box .item .item-box {
    margin-bottom: 0;
  }
  #transpose .outline-block .box .item .name {
    margin-bottom: calc(100vw / 768 * 20);
    font-size: calc(100vw / 768 * 40);
  }
  #transpose .outline-block .box .item .name::before {
    margin-right: calc(100vw / 768 * 15);
    width: calc(100vw / 768 * 40);
    height: calc(100vw / 768 * 30);
    margin-top: calc(100vw / 768 * 14);
  }
  #transpose .outline-block .box .item p {
    padding-left: calc(100vw / 768 * 55);
    font-size: calc(100vw / 768 * 36);
  }
  #transpose .outline-block .box .item .table table th, #transpose .outline-block .box .item .table table td {
    background-size: 100% calc(100vw / 768 * 60);
    padding: calc(100vw / 768 * 12);
  }
  #transpose .outline-block .box .item .table table .play-sound {
    padding-left: calc(100vw / 768 * 40);
    padding-right: calc(100vw / 768 * 40);
  }
  #transpose .outline-block .box .item .table table .play-sound::before {
    width: calc(100vw / 768 * 60);
    height: calc(100vw / 768 * 60);
    background-size: calc(100vw / 768 * 37) auto;
    margin-right: calc(100vw / 768 * 15);
  }
}
@media screen and (max-width: 520px) {
  #header {
    padding: calc(100vw / 768 * 10) 0;
  }
  #header .btn-ham {
    top: calc(100vw / 768 * 18);
  }
  #header #menu {
    height: calc(100% - (100vw / 768 * 86));
    top: calc(100vw / 768 * 86);
  }

  #footer .wrap {
    text-align: center;
    display: block;
  }
  #footer .logo {
    margin: 0 auto 15px;
  }
  #footer p {
    margin-top: 20px;
    line-height: 1.8;
    text-align: center;
  }
  #footer p span {
    display: block;
  }
  #footer p span::before {
    display: none;
  }

  #landing {
    min-height: auto;
  }
  #landing .logo {
    width: calc(100vw / 768 * 490);
  }
  #landing .logo::after {
    width: calc(100vw / 768 * 73);
    height: calc(100vw / 768 * 60);
  }
  #landing .menu-group {
    margin: calc(100vw / 768 * 80) auto 0;
  }
  #landing .menu-group .menu-btn a {
    width: calc(100vw / 768 * 400);
    height: calc(100vw / 768 * 400);
  }
  #landing .menu-group .menu-btn a p {
    font-size: 12px;
  }
  #landing .menu-group .menu-btn:first-child a::before {
    width: calc(100vw / 768 * 200);
    height: calc(100vw / 768 * 200);
    left: calc(100vw / 768 * -50);
    top: calc(100vw / 768 * -55);
  }
  #landing .menu-group .menu-btn:first-child a::after {
    width: calc(100vw / 768 * 220);
    height: calc(100vw / 768 * 365);
    right: calc(100vw / 768 * -105);
    top: calc(100vw / 768 * -30);
  }
  #landing .menu-group .menu-btn:nth-child(2) {
    margin-top: calc(100vw / 768 * -35);
  }
  #landing .menu-group .menu-btn:nth-child(2) a {
    width: calc(100vw / 768 * 360);
    height: calc(100vw / 768 * 360);
  }
  #landing .menu-group .menu-btn:nth-child(2) a::before {
    width: calc(100vw / 768 * 100);
    height: calc(100vw / 768 * 156);
    right: calc(100vw / 768 * -60);
    top: calc(100vw / 768 * 100);
  }
  #landing .menu-group .menu-btn:nth-child(2) a::after {
    width: calc(100vw / 768 * 204);
    height: calc(100vw / 768 * 283);
    left: calc(100vw / 768 * -115);
    top: calc(100vw / 768 * 28);
  }

  .word-block .img-block {
    height: calc(100vw / 768 * 415);
  }
  .word-block .img-block .tabs-nav li a:hover {
    color: #FFFBC6;
  }
  .word-block .img-block .btn-block.btn-grounp {
    width: 80%;
  }
  .word-block .img-block .btn-block.btn-grounp a {
    padding: calc(100vw / 768 * 25) calc(100vw / 768 * 5) calc(100vw / 768 * 8);
  }
}
@media screen and (min-width: 1025px) {
  .btn-float:hover {
    background-color: #DC4E4D;
    color: #fff;
  }
  .btn-float:hover .txt {
    transform: scale(1.05, 1.05);
  }
  .btn-float:hover .icon {
    opacity: 0;
  }

  #header #menu > ul > li:hover > .sub {
    display: block;
  }
  #header #menu .sub li a:hover {
    background-color: rgba(0, 0, 0, 0.1);
  }

  #landing .menu-group .menu-btn a:hover {
    animation: indexAni1 1s infinite alternate;
  }
  #landing .menu-group .menu-btn a:hover::before {
    animation: indexAni2 0.5s infinite alternate;
  }
  #landing .menu-group .menu-btn a:hover::after {
    animation: indexAni2 0.8s infinite alternate;
  }

  .page-top .breadcrumbs li a:hover {
    color: #FFE605;
  }
  .page-top .page-top-arrow:hover {
    background-color: #7A1E1E;
  }
  .page-top #page-menu > li > a:not(.btnDisabled):hover, .page-top #page-menu > li > .select-menu:not(.btnDisabled):hover {
    color: #FFE605;
    cursor: pointer;
  }
  .page-top #page-menu > li .sub li a:hover {
    color: #FFE605;
    cursor: pointer;
  }

  .section .select-box:hover {
    background-color: #5c8a00;
  }
  .section .select-box ul li label:hover {
    color: #FFE605;
  }
  .section .select-sound a:hover {
    background-color: #009FC9;
  }

  .page-control a:hover .line {
    color: #FFE605;
  }
  .page-control a.btn-center:hover .line {
    background-color: #E6B571;
    color: #2A2828;
  }
  .page-control a.btn-center:hover .line::before {
    border-color: #E6B571 transparent;
  }
  .page-control a.btn-center:hover .line::after {
    border-color: #E6B571 transparent;
  }

  .popup-window .popup-title .popup-close:hover {
    opacity: 0.8;
  }
  .popup-window .popup .menu-group a:hover {
    background-color: #fffad1;
  }

  .card-style1 .card .card-nav a.active:hover {
    background-color: #355c5a;
  }
  .card-style1 .card .card-nav a:not(.disabled):not(.active):hover {
    background-color: #fffad1;
  }

  .card-style2 .card-top .card-list .card .top a:hover {
    background-image: url(../images/icon_sound_r.svg);
  }
  .card-style2 .card-table table td a:hover {
    background-color: #fffad1;
  }

  .pinyin-style1 .pinyin-item .text .sound-item:hover {
    color: #FFE605;
  }

  .pinyin-style2 .pinyin-item .control a.btn-word:hover {
    background-color: #5c8a00;
  }
  .pinyin-style2 .pinyin-item .control a.btn-sound:hover {
    background-color: #ff6635;
  }

  .pinyin-type .pinyin-row .play-sound:hover {
    background-color: #ff6635;
  }

  .outline-block .box .item .group .character:hover {
    background-color: #0057A8;
  }
  .outline-block .table table tbody td .play-sound:hover {
    background-color: #ff6635;
  }
  .outline-block.outline-r .box .item .group .character:hover {
    background-color: #ff521c;
  }
  .outline-block.outline-r .box .item.line .group .character:hover {
    background-color: #ff4d8c;
  }

  .word-block .img-block .select-block .select-box .selected-name:hover {
    color: #FFE605;
  }
  .word-block .img-block .btn-block a:hover {
    background-color: #009FC9;
  }
  .word-block .img-block .btn-block.btn-grounp a:hover {
    background-color: transparent;
    color: #E6B571;
  }

  .blackboard-block .blackboard .tabs-nav li:not(.active) a:hover {
    color: #fff;
  }
  .blackboard-block .blackboard .tabs-nav li:not(.active) a:hover i svg {
    fill: #fff;
  }
  .blackboard-block .blackboard .tabs-content .btn-link:hover {
    background-color: #E6B571;
  }
  .blackboard-block .blackboard .left .doll-sound:hover {
    background-color: #ff6635;
  }
  .blackboard-block .blackboard .table table tbody td .play-sound:hover {
    background-color: #ff6635;
  }

  .qa-block .left .qa-list li a:hover {
    background-color: #F5F5F5;
  }
  .qa-block .right .doll-sound:hover {
    background-color: #ff6635;
  }

  .ball-block .tabs-nav li a:hover {
    border-color: #E3E3E3;
  }
  .ball-block .left .play-sound:hover {
    background-color: #ff6635;
  }

  .blackboard2-block .blackboard .left ul li .btn.btn-g:hover {
    background-color: #5c8a00;
  }
  .blackboard2-block .blackboard .left ul li .btn.btn-o:hover {
    background-color: #ff6635;
  }
  .blackboard2-block .blackboard .left ul li .btn.btn-p:hover {
    background-color: #ed5f9f;
  }
  .blackboard2-block .blackboard .left .bottom .play-sound:hover {
    background-color: #ff6635;
  }
  .blackboard2-block .blackboard .right .doll-sound:hover {
    background-color: #ff6635;
  }

  #qa5 table thead th a:hover {
    background-color: #ff6635;
  }

  .ps-block .play-sound-icon:hover {
    background-color: #ff6635;
  }

  #course .left ul.typeG li a:hover {
    background-color: #5c8a00;
  }
  #course .left ul.typeR li a:hover {
    background-color: #ff6635;
  }
  #course .left ul.typeP li a:hover {
    background-color: #ed5f9f;
  }

  .search-block .search-box .btn-search:hover {
    background-color: #e2aa5b;
  }

  #family .outline-block .box .item .group .character:hover {
    background-color: #FFFBC6;
  }

  #transpose .outline-block .box .item .table table .play-sound:hover::before {
    background-color: #ff6635;
  }
}

/* 20220620new start*/
.des_nav{
  display: flex;
}
.bookmark{
  background-color: #FFD58E;
  padding: 10px 30px;
  color: #6C0000;
  letter-spacing: 4px;
  text-align: center;
  margin-right: 30px;
  margin-bottom: 20px;
  font-size: 1.3em;
  cursor: pointer;
}
.bookmark a{
  color: #6C0000;
}
.bookmark img{
  margin-right: 10px;
  /*width: 10%;*/
}
.learning-one .bookmark:hover{
  color: #6C0000;
  background-color: #FF8660;
}
.learning-one .des_nav .active, .learning-one .des_nav  .active a{
  color: white;
  background-color: #FF8660;
}
.illworld{
  margin:30px 0px;
  font-size: 1.13em;
  letter-spacing: 3px;
  color: #7A1E1E;
}
.learning-one table {
  border: solid 1px #C4C4C4;
  border-spacing: 0px;
  margin: 10px 0px;
  width: 100%;
}
.learning-one table tr td{
  border: solid 1px #C4C4C4;
  padding: 20px;
  text-align: center;
  font-size: 1em;
  color: #7A1E1E;
  width: 20%;
}
.learning-one table tr td:nth-child(2){
  text-align: left;
  width: 80%;
}
.learning-one table tr td img{
  /*margin-right: 10px;*/
  width: 30%;
}
.cur{
  cursor: pointer;
}
.page-menu .nav-tabs{
  border-bottom: none;
}
.page-menu .nav-tabs .nav-link{
  display: block;
  padding: 8px 15px;
  /* margin: 0px 30px; */
  color: #fff;
  border-radius: 10px;
  text-align: center;
  border: 1px solid #3E6C6A;
}
.page-menu .nav-tabs .nav-link.active{
  display: block;
  padding: 8px 15px;
  color: #fff;
  border-radius: 10px;
  text-align: center;
  background-color: #EA905E;
}

.titlenew{
  width: 100%;
}
.titlenew .col-lg-5{
  padding: 0px;
  text-align: right;
  font-size: 0.8em;
}
.titlenew .col-lg-7{
  padding: 0px;
  margin: auto;
  font-size: 0.8em;
}
@media (max-width: 992px){
.illworld{
  margin:0px 0px 30px 0px;
}
.titlenew .col-lg-5{
  text-align: center;
}
.titlenew .col-lg-7{
  text-align: center;
}
}
@media(max-width:528px){
  .illworld{
  margin:0px 0px 20px 0px;
  }
  .des_nav{
    display: block;
  }
  .bookmark{
    margin-right: 0px;
  }
  .learning-one table tr td{
    padding: 10px;
  }
  .learning-one table tr td img{
    width: 70%;
  }
}
@media(max-width:767px){
  .illworld{
  margin:0px 0px 20px 0px;
  }
}