/*! hash:4b3ecd09a8d6e7c929ca, chunkhash:0510966c6b4bce31c65b, name:index, filebase:index.min.css, query:, file:assets/css/index.min.css */
/* =========== ANIMATION =========== */

.drop-anim { animation: drop 2.5s infinite; }

@keyframes drop {

  0%,
  20%,
  50%,
  80%,
  100% { transform: translateY(0); }
  40%  { transform: translateY(-30px); }
  60%  { transform: translateY(-15px); }

}

.smooth-zigzag-anim-1 { animation: smooth-zigzag-1 5s linear infinite; }

@keyframes smooth-zigzag-1 {

  0%,
  100% { transform: translate(0); }
  25%  { transform: translate(10px, 10px); }
  50%  { transform: translate( 5px,  5px); }
  75%  { transform: translate(10px, -5px); }

}

.smooth-zigzag-anim-2 { animation: smooth-zigzag-2 5s linear infinite; }

@keyframes smooth-zigzag-2 {

  0%,
  100% { transform: translate(0); }
  25%  { transform: translate(-10px, -10px); }
  50%  { transform: translate( -5px,  -5px); }
  75%  { transform: translate(-10px,   5px); }

}

.smooth-zigzag-anim-3 { animation: smooth-zigzag-3 5s linear infinite; }

@keyframes smooth-zigzag-3 {

  0%,
  100% { transform: translate(0); }
  25%  { transform: translate( -7px,  -7px); }
  50%  { transform: translate(-14px, -14px); }
  75%  { transform: translate( -7px,  -7px); }

}

.pulse-anim { animation: pulse 3s linear infinite; }

@keyframes pulse {

  0%,
  70%  { box-shadow: 0 0 0 0 hsla(0, 0%, 100%, 1); }
  100% { box-shadow: 0 0 0 15px transparent; }

}.registrationBox {
  width: 100%;
  padding: 12px 0px;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.registrationText {
  margin-bottom: 20px;
}

.closeOnTheRightSide {
  width: 20px;
  height: 20px;
  position: absolute;
  right: 25px;
  top: 25px;
  cursor: pointer;
}

.goLogin {
  height: 20px;
  margin: 0px;
  text-align: right;
  font-size: 14px;
  font-weight: 300;
  cursor: pointer;
  padding-top: 10px;
  padding-bottom: 10px;
  display: flex;
  justify-content: flex-end;
}


.left-side-of-registration-box {
  width: 500px;
  height: 455px;
  overflow: hidden;
  position: relative;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-size: 0px;
}

.left-image {
  width: 100%;
  height: 100%;
}

.on-the-right-side-of-the-registration-box {
  width: 437px;
  height: 100%;
  font-size: 22px;
  font-weight: 600;
  line-height: 30px;
  user-select: none;
  /* 禁止选中文本 */
}

.inputBox {
  width: 100%;
  display: flex;
  justify-content: space-between;
  box-sizing: border-box;
  padding-right: 20px;
  font-size: 14px;
  line-height: 40px;
  margin-top: 17px;
  position: relative;
}

.inputBoxName {
  width: 75px;
  padding-right: 15px;
  text-align: right;
}

.inputBox>input {
  border: 1px solid #dcdfe6;
  border-radius: 30px;
  padding-right: 30px;
  padding: 0 15px;
  width: 340px;
}

.verificationCodeInputBox {
  width: 222px !important;
  border: 1px solid red;
}

.obtainVerificationCode {
  width: 110px;
  height: 39px;
  margin-left: 8px;
  background-color: #053dc8;
  border-radius: 20px;
  text-align: center;
  color: #fff;
  cursor: pointer;
}

.registrationButton {
  width: 250px;
  height: 40px;
  font-size: 16px;
  line-height: 40px;
  margin: 0 auto;
  text-align: center;
  background-color: #2b2d30;
  color: #fff;
  border-radius: 20px;
  margin-top: 30px;
  cursor: pointer;
}


/* 获取验证码 */
.verificationCodePopupWindow {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 101;
  background-color: rgba(0, 0, 0, 0.5);
  display: none;
  justify-content: center;
  align-items: center;
  cursor: pointer;

  .refresh{
    width: 20px;
    height: 20px;
    float: right;
    margin-top: 5px;
  }
}

.verificationCodeBox {
  width: 360px;
  height: 340px;
  border-radius: 4px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .3);
  background-color: #fff;
  opacity: 1;
  padding: 17px 9px;
  box-sizing: border-box;
}

.verificationCodeTitle {
  font-size: 20px;
  font-weight: 500;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.closeVerificationCode {
  width: 23px;
  height: 23px;
}

.clickOnTheSliderContent {
  height: 36px;
  position: relative;
}

.verificationCodeSplicingFrame {
  width: 100%;
  height: 195px;
  position: relative;
  margin: 15px 0;
}

.slidingTrack {
  width: 100%;
  height: 14px;
  background-color: #E0E0E0;
  border-radius: 7px;
  position: absolute;
  top: 11px;
}

.dragTheSlider {
  width: 62px;
  height: 36px;
  background-color: #2E78F4;
  border-radius: 18px;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  left: 0;
  top: 0;
  user-select: none;
}

.verificationCodeSlider {
  width: 19px;
  height: 13px;
  user-select: none;
  /* 禁止选中 */
  -webkit-user-drag: none;
  /* 禁止拖拽（针对 WebKit 浏览器） */
  -moz-user-select: none;
  -ms-user-select: none;
}


/* =========== VARIABLES =========== */
:root{
    --red-orange-color-wheel: #FFB703;
    --ultramarine-blue: #0062ff;
    --lavender-blue: #d2dafe;
    --oxford-blue: #050e38;
    --light-gray: #cccccc;
    --sonic-silver: #787878;
    --blue-crayola: #0d6dfd;
    --cultured: #f2f3f7;
    --white: #ffffff;

    --fs-1: 38px;
    --fs-2: 35px;
    --fs-3: 30px;
    --fs-4: 22px;
    --fs-5: 20px;
    --fs-6: 15px;

    --fw-5: 500;
    --fw-6: 600;
    --fw-7: 700;
    --fw-8: 800;
    --fw-9: 900;

    --px: 15px;
    --py: 80px;

    --default-transition: 0.25s ease;
}
/* =========== VARIABLES =========== */


/* =========== RESET =========== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
    font: inherit;
}

img,
span,
a,
ion-icon {
    display: block;
}

button {
    background: none;
    border: none;
    font: inherit;
    cursor: pointer;
}

html {
    font-family: 'Montserrat', sans-serif;
    scroll-behavior: smooth;
}

/* ::-webkit-scrollbar {
    width: 5px;
} */

/* ::-webkit-scrollbar-track {
    background: var(--light-gray);
} */

/* ::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background: var(--red-orange-color-wheel);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--ultramarine-blue);
} */

/* =========== COMPONENT =========== */

.btn {
    position: relative;
    font-family: 'Montserrat', sans-serif;
    font-size: var(--fs-6);
    font-weight: var(--fw-5);
    border-radius: 8px;
    color: var(--white);
    padding: 20px 45px;
    text-transform: uppercase;
    overflow: hidden;
}

.btn .btn-text {
    position: relative;
    z-index: 5;
}

.btn-primary,
.btn-secondary .square {
    background: var(--red-orange-color-wheel);
}

.btn .square {
    position: absolute;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 8px;
    transition: var(--default-transition);
}

.btn:hover .square {
    right: -2px;
    width: 102%;
    height: 102%;
}

.btn-primary .square,
.btn-secondary {
    background: var(--oxford-blue);
}

/* =========== REUSED CSS =========== */

.section-subtitle {
    color: var(--ultramarine-blue);
    font-weight: var(--fw-7);
    text-transform: uppercase;
}

.section-text {
    color: var(--sonic-silver);
    font-family: 'Montserrat', sans-serif;
    font-size: var(--fs-6);
    line-height: 1.6;
}

.section-title {
    font-size: var(--fs-2);
    font-weight: var(--fw-8);
    color: var(--oxford-blue);
    line-height: 1.3;
}

/* =========== MAIN =========== */

.page {
    margin: auto;
    overflow: hidden;
}

.container {
    /* background: var(--white); */
    max-width: 990px;
    width: 100%;
}

.flexRow {
    display: flex;
    flex-flow: row;
}

.flexColumn {
    display: flex;
    flex-flow: column;
}

.navbar {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    /* max-width: 1440px; */
    /* background: hsla(0, 0%, 100%, 0.9); */
    backdrop-filter: blur(15px);
    display: flex;
    justify-content: center;
    align-items: center;
    /* padding: 10px var(--px); */
    box-shadow: 0 10px 20px -5px hsla(0, 0%, 8%, 0.03);
    z-index: 100;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(2px);
}


.navbar .navBar-btn button {
    width: 110px;
    height: 36px;
    background: #FFFFFF;
    border-radius: 18px;
    position: relative;
}
.navbar .navBar-btn button a {
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 400;
    font-size: 14px;
    color: #306BFF;
    line-height: 21px;
    text-align: center;
    font-style: normal;
}
.navbar .navBar-btn {
    width: 230px;
    display: flex;
    flex-flow: row;
    align-items: center;
    justify-content: space-between;
}

.navbar .navBar-btn .help {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid #FFFFFF;
}

.foreverFree{
    position: absolute;
    top: -5px;
    right: -11px;
    width: 51px;
    height: 17px;
}

.navbar .navBar-btn .help a {
    color: #fff;
}
.navbar-nav {
    position: absolute;
    background: var(--white);
    top: calc(100% + 40px);
    left: 30px;
    right: 30px;
    text-align: center;
    box-shadow: 0 10px 30px -5px hsla(0, 0%, 8%, 0.25);
    padding: 30px;
    border-radius: 8px;
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

.navbar-brand {
    width: 66px;
    height: 22px;
}

.nav-item a {
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 400;
    font-size: 14px;
    color: #FFFFFF;
    line-height: 21px;
    text-align: left;
    font-style: normal;
    margin-left: 20px;
}

.nav-item:not(:last-child) a {
    border-bottom: 1px solid hsla(0, 0%, 8%, 0.1);
}

.nav-item a:hover {
    color: var(--red-orange-color-wheel);
}

.navbar-nav.active {
    animation: menuPopup 0.5s ease forwards;
    pointer-events: all;
}

@keyframes menuPopup {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }

    50% {
        transform: scale(1.1);
    }

    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.navbar .btn {
    display: none;
}

.nav-toggle-btn {
    background: var(--red-orange-color-wheel);
    width: 50px;
    height: 50px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
}

.nav-toggle-btn span {
    background: var(--white);
    width: 30px;
    height: 2px;
    transition: var(--default-transition);
}

.nav-toggle-btn .active .one {
    transform: rotate(45deg) translate(3px, 3px);
}

.nav-toggle-btn .active .two {
    display: none;
}

.nav-toggle-btn .active .three {
    transform: rotate(-45deg) translate(2px, -2px);
}

/* =========== BAR =========== */
.bar {
    display: flex;
    justify-content: center;
    padding: 15px;
}

.bar li {
    flex: 1;
    display: flex;
    flex-flow: column;
    justify-items: center;
    justify-content: center;
}

.bar .bar-divider {
    /* flex: none; */
    max-width: 1px;
    height: 37px;
    background-color: #EFEFEF;
}

.bar li .bar-text {
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 400;
    font-size: 14px;
    color: #646E88;
    line-height: 21px;
    text-align: left;
    font-style: normal;
    margin-top: 3px;
    margin: 0 auto;
    display: flex;
    flex-flow: row;
    white-space: nowrap;
}

.bar li .bar-tit {
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: bold;
    font-size: 18px;
    color: #282D3B;
    line-height: 27px;
    text-align: left;
    font-style: normal;
    margin: 0 auto;
    white-space: nowrap;
}

/* =========== HOME =========== */

.home {
    position: relative;
    /* margin-top: 70px; */
    padding: var(--py) var(--px);
    overflow: hidden;
    /* background-image: url(../imgs/banner.png); */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    width: 100%;
    /* 或者你需要的固定宽度 */
    padding-bottom: 20%;
}

.home button {
    width: 110px;
    height: 36px;
    background: #FFFFFF;
    border-radius: 18px;
    position: absolute;
    top: 70%;
}
.home button:nth-child(2) {
    left: 28%;
}
.home button:nth-child(3) {
    left: 40%;
}
.home button a {
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 400;
    font-size: 14px;
    color: #306BFF;
    line-height: 21px;
    text-align: center;
    font-style: normal;
}
/* .home::before {
    content: '';
    position: absolute;
    top:  -200px;
    left: -400px;
    width:  800px;
    height: 800px;
    border-radius: 50%;
    background: radial-gradient(ellipse at center, hsla(217, 100%, 50%, 0.3), transparent 70%);
    
  } */

/* .home::after {
    content: '';
    position: absolute;
    top:    100px;
    right: -400px;
    width:  800px;
    height: 800px;
    border-radius: 50%;
    background: radial-gradient(ellipse at center, hsla(15, 100%, 55%, 0.3), transparent 70%);
  } */

.home .deco-shape {
    position: absolute;
}

.home .shape-1 {
    top: 14%;
    left: 8%;
}

.home .shape-2 {
    top: 600px;
    left: 30px;
}

.home .shape-3 {
    top: 25%;
    right: 0;
}

.home .shape-4 {
    top: 570px;
    right: 110px;
}

.home-left {
    margin-bottom: 60px;
}

.home-left,
.home-right {
    position: relative;
    z-index: 10;
}

.home .section-subtitle {
    text-align: center;
    margin-bottom: 25px;
}

.main-heading {
    color: var(--oxford-blue);
    font-size: var(--fs-1);
    font-weight: var(--fw-9);
    line-height: 1.2;
    margin-bottom: 48px;
    text-align: center;
}

.underline-img {
    display: inline-block;
    position: relative;
}

.underline-img img {
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
}

.home .section-text {
    max-width: 500px;
    text-align: center;
    margin: auto;
    margin-bottom: 30px;
}

.home-btn-group {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.home-right .img-box {
    position: relative;
}

.home-right .img-box img {
    position: absolute;
}

.home-right .img-box .banner-img {
    position: relative;
    width: auto;
    max-width: 100%;

    margin: auto;
}

.home-right .background-shape {
    width: auto;
    max-width: 100%;
    left: 50%;
    transform: translateX(-50%);
    /* z-index: 1; */
}

.home-right .icon-1 {
    top: 200px;
    left: 20px;
}

.home-right .icon-2,
.home-right .icon-3 {
    display: none;
}

.home-right .icon-4 {
    top: 60px;
    right: 20px;
    filter: drop-shadow(0 8px 30px hsla(350, 100%, 68%, 0.5));
}

.icon-1,
.icon-2,
.icon-3,
.icon-4 {
    filter: drop-shadow(0 10px 20px hsla(0, 0%, 0%, 0.2));
    z-index: 5;
}

/* =========== COURSE CATEGORY =========== */
.category {
    padding: 50px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #F4F7FF 0%, #F1F6FF 100%);
}

.category .section-subtitle {
    text-align: center;
    margin-bottom: 15px;
}

.category .section-title {
    text-align: center;
    padding-bottom: 20px;
}

.category .course-item-group {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    padding-bottom: 50px;
}

.course-category-item {
    display: flex;
    align-items: center;
    /* border: 1px solid hsl(0, 0%, 67%); */
    border-radius: 8px;
    transition: var(--default-transition);
    flex-flow: column;
    background: #FFFFFF;
    box-shadow: 0px 2px 10px 0px #D8DFF4;
    border-radius: 8px;
}

.digitization .wrapper {
    background-image: url(/assets/img/digitization.a8ff3273f.png);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    width: 100%;
    padding-top: 40%;
    position: relative;
}



.course-category-item .wrapper {
    display: flex;
    flex-flow: row;
    width: 100%;
    align-items: center;
}

.course-category-item .wrapper p {
    font-size: 16px;
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: bold;
    color: #333333;
    text-align: left;
    font-style: normal;
}

.digitization .wrapper p {
    height: 16px;
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: bold;
    font-size: 16px;
    color: #ffffff;
    line-height: 24px;
    text-align: right;
    font-style: normal;
    position: absolute;
    top: 22px;
    left: 25px;
}

.course-category-content {
    flex: 1;
    display: grid;
    gap: 8px;
    padding: 5px;
    width: 100%;
    padding: 0px 14px 30px 14px;
    grid-template-columns: repeat(3, 1fr);
}

.digitization .course-category-content {
    grid-template-columns: repeat(2, 1fr);
    padding: 16px;
}

.operate .course-category-content {
    grid-template-columns: repeat(6, 1fr);
}

.operate .course-category-content p:nth-child(1) {
    grid-column: 1/3;
}

.operate .course-category-content p:nth-child(2) {
    grid-column: 3/7;
}

.operate .course-category-content p:nth-child(3) {
    grid-column: 1/3;
}

.operate .course-category-content p:nth-child(4) {
    grid-column: 3/5;
}

.operate .course-category-content p:nth-child(5) {
    grid-column: 5/7;
}

.operate .course-category-content p:nth-child(6) {
    grid-column: 1/4;
}

.operate .course-category-content p:nth-child(7) {
    grid-column: 4/7;
}

.liveStore .course-category-content,
.enable .course-category-content {
    grid-template-columns: repeat(6, 1fr);
}

.liveStore .course-category-content p:nth-child(1),
.enable .course-category-content p:nth-child(1) {
    grid-column: 1/4;
}

.liveStore .course-category-content p:nth-child(2),
.enable .course-category-content p:nth-child(2) {
    grid-column: 4/7;
}

.liveStore .course-category-content p:nth-child(3),
.enable .course-category-content p:nth-child(3) {
    grid-column: 1/3;
}

.liveStore .course-category-content p:nth-child(4),
.enable .course-category-content p:nth-child(4) {
    grid-column: 3/5;
}

.liveStore .course-category-content p:nth-child(5),
.enable .course-category-content p:nth-child(5) {
    grid-column: 5/7;
}

.course-category-content p {
    font-size: 14px;
    /* width: 101px; */
    height: 30px;
    background: #F3F7FF;
    color: #666666;
    font-weight: 400;
    line-height: 30px;
    text-align: center;

}

.course-category-item:hover {
    /* background: var(--red-orange-color-wheel); */
    /* border-color: var(--red-orange-color-wheel);
    box-shadow: 0 10px 50px -20px var(--red-orange-color-wheel); */
}

.category-icon {
    width: 24px;
    margin: 15px;
}

/* .category-icon.hover,
.course-category-item:hover .category-icon.default {
    display: none;
}

.category-icon.default,
.course-category-item:hover .category-icon.hover {
    display: block;
} */

.category-title a {
    color: var(--oxford-blue);
    font-size: var(--fs-4);
    font-weight: var(--fw-7);
}

.category-subtitle {
    font-family: 'Montserrat', sans-serif;
    color: var(--sonic-silver);
    font-size: var(--fs-6);
}

.course-category-item:hover .category-title a,
.course-category-item:hover .category-subtitle {
    color: var(--white);
}

/* =========== PLATE =========== */
.plate {
    display: flex;
    flex-flow: row;
    width: 100%;
    position: relative;
}

.plate .plate-left {
    position: absolute;
    width: 35%;
    z-index: 10;
    padding-right: 70px;
    top: 13px;
}

.plate .plate-left .tabs {
    display: flex;
    flex-flow: row;
    justify-content: space-between;
    transition: opacity var(0.3s);

}

.tabs .active {
    color: #1A5BDD;
    border-bottom: 3px solid #306BFF;
}

.plate .plate-left .tabs .tab {
    position: relative;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
    display: inline-flex;
    align-items: center;
    background: transparent;
    outline: none;
    cursor: pointer;
    padding-bottom: 7px;
    font-weight: 500;
    font-size: 14px;
    font-style: normal;
}

.plate-right .plate-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    grid-column-gap: 10px;
    margin-top: 33px;
    margin-right: 10%;

}

.plate-right .plate-card div {
    height: 30px;
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 400;
    font-size: 14px;
    color: #306BFF;
    line-height: 30px;
    text-align: left;
    font-style: normal;
    background: #F3F7FF;
    text-align: center;
}

.plate .plate-right {
    flex: 1;
    overflow: hidden;
    position: relative;
    padding-top: 35%;
}

.plate .swiper-container {
    position: absolute;
    top: 0;
    height: 100%;
}

.plate-container {
    display: flex;
    flex-flow: row;
}

.swiper-slide-left {
    width: 35%;
}

.swiper-slide-right {
    flex: 1;
}

.swiper-slide-left {
    padding-top: 85px;
}

.swiper-slide-left p {
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 400;
    font-size: 12px;
    color: #666666;
    line-height: 19px;
    text-align: left;
    font-style: normal;
}

.swiper-slide-left div {
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: bold;
    font-size: 20px;
    color: #333333;
    line-height: 30px;
    text-align: left;
    font-style: normal;
}

/* =========== channel =========== */
.channel .channel-top {
    width: 100%;
}

.channelCategory {
    background-image: url(/assets/img/channelbg.b44fffcb5.png);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.channel-bottom {
    overflow: hidden;
}

.channel .channel-top .tabs {
    display: flex;
    flex-flow: row;
    justify-content: space-around;
    overflow: hidden;
    transition: opacity var(0.3s)
}

.channel .channel-top .tabs .tab {
    position: relative;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
    display: inline-flex;
    align-items: center;
    background: transparent;
    outline: none;
    cursor: pointer;
    padding-bottom: 7px;
    font-weight: 500;
    font-size: 14px;
    font-style: normal;
}

.channel .channel-top .tabs .active {
    color: #1A5BDD;
    border-bottom: 5px solid #306BFF;
}

.channel-container {
    position: relative;
    display: flex;
    flex-flow: row;
    overflow: hidden;
    /* opacity: 0; */
}

.channel .swiper-slide {
    background-color: rgba(0, 0, 0, 0);
}

.channel-swiper-slide-left {
    width: 20%;
    display: flex;
    flex-flow: column;
    justify-content: space-around;
}

.channel-swiper-slide-left button {
    width: 130px;
    height: 40px;
    color: #fff;
    border-radius: 30px;
    border: 1px solid #FFFFFF;

}

.channel-swiper-slide-left p {
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 400;
    font-size: 14px;
    color: #FFFFFF;
    line-height: 24px;
    text-align: left;
    font-style: normal;
}

.channel-swiper-slide-right {
    flex: 1;
    padding: 14px;
}

.channel-cardList .title {
    display: flex;
    flex-flow: row;
    text-align: center;
    align-items: center;
    font-size: 0.5rem;
    color: #333333;
    padding-top: 20px;
    padding-bottom: 8px;
}
.channel-cardList .title div:nth-child(1) {
    font-weight: bold;
}
/* =========== COURSE =========== */
.course {
    padding: var(--py) var(--px);
}

.course .section-subtitle {
    margin-bottom: 15px;
}

.course .section-title {
    margin-bottom: 60px;
}

.course-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-bottom: 60px;
}

.course-card {
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 10px 50px hsla(0, 0%, 0%, 0.1);
    overflow: hidden;
}

.course-banner {
    position: relative;
    overflow: hidden;
}

.course-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--default-transition);
}

.course-card:hover .course-banner img {
    transform: scale(1.05);
}

.course-banner .course-tag-box {
    position: absolute;
    bottom: 20px;
    left: 30px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.course-banner .badge-tag {
    font-family: 'Montserrat', sans-serif;
    font-size: var(--fs-6);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 5px;
}

.course-banner .orange {
    background: var(--red-orange-color-wheel);
}

.course-banner .blue {
    background: var(--ultramarine-blue);
}

.course-card .course-content {
    padding: 30px;
    padding-bottom: 20px;
}

.course-card .card-title {
    margin-bottom: 20px;
}

.course-card .card-title a {
    color: var(--oxford-blue);
    font-size: var(--fs-4);
    font-weight: var(--fw-7);
    line-height: 1.3;
    transition: var(--default-transition);
}

.course-card:hover .card-title a {
    color: var(--red-orange-color-wheel);
}

.course-card .wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.course-card .border-bottom {
    margin-bottom: 15px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--light-gray);
}

.course-card .author {
    display: flex;
    align-items: center;
    gap: 10px;
}

.course-card .author-img {
    border-radius: 50%;
    border: 3px solid var(--white);
    box-shadow: 0 0 20px hsla(0, 0%, 0%, 0.2);
}

.course-card .author-name {
    font-family: 'Montserrat', sans-serif;
    font-size: var(--fs-6);
    color: var(--sonic-silver);
    transition: var(--default-transition);
}

.course-card .author-name:hover {
    color: var(--oxford-blue);
}

.course-card .rating {
    display: flex;
    align-items: center;
    gap: 10px;
}

.course-card .rating ion-icon {
    font-size: 20px;
    color: hsl(45, 100%, 51%);
}

.course-card .enrolled p,
.course-card .rating p {
    font-family: 'Montserrat', sans-serif;
    font-size: var(--fs-6);
    color: var(--sonic-silver);
}

.course-card .course-price {
    color: var(--red-orange-color-wheel);
    font-size: 20px;
    font-weight: var(--fw-7);
}

.course-card .enrolled {
    display: flex;
    align-items: center;
    gap: 10px;
}

.course-card .icon-user {
    background: hsl(138, 59%, 91%);
    width: 30px;
    height: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
}

.course .btn-primary {
    display: block;
    margin: auto;
}

/* =========== EVENT =========== */

.event {
    padding: var(--py) var(--px);
    background: var(--cultured);
}

.event-left {
    position: relative;
    max-width: max-content;
    margin-bottom: 50px;
}

.event .banner-img {
    width: auto;
    max-width: 100%;
    border-radius: 8px;
}

.event .play {
    position: absolute;
    bottom: 100px;
    right: 0;
    padding: 30px 40px;
    background: var(--red-orange-color-wheel);
    display: flex;
    align-items: center;
    gap: 20px;
    border-radius: 8px;
    box-shadow: 0 10px 40px hsla(64, 100%, 50%, 0.7);
}

.event .play-icon {
    border-radius: 50%;
    box-shadow: 0 0 0 15px transparent;
}

.event .play ion-icon {
    display: block;
    color: var(--white);
    font-size: 70px;
    margin: -8px;
}

.event .play p {
    font-size: var(--fs-4);
    font-weight: var(--fw-7);
    color: var(--white);
}

.event .section-subtitle {
    margin-bottom: 15px;
}

.event .section-title {
    margin-bottom: 30px;
}

.event-card-group {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.event-card {
    background: var(--white);
    border-radius: 8px;
    padding: 30px 25px;
    box-shadow: 0 10px 30px hsla(0, 0%, 0%, 0.1);
    border-right: 5px solid transparent;
    transition: var(--default-transition);
}

.event-card .content-left {
    width: 100%;
    text-align: center;
    padding-bottom: 15px;
    margin-bottom: 25px;
    box-shadow: 0 16px 0 -15px var(--light-gray);
}

.event-card .day {
    font-size: var(--fs-3);
    font-weight: var(--fw-7);
    color: var(--blue-crayola);
}

.event-card .month {
    font-size: var(--fs-6);
    font-weight: var(--fw-5);
    color: var(--blue-crayola);
}

.event .schedule {
    display: flex;
    justify-content: center;
    margin-bottom: 10px;
}

.event .schedule p {
    font-family: 'Montserrat', sans-serif;
    font-size: var(--fs-6);
    color: var(--sonic-silver);
}

.event .schedule .time {
    padding-right: 20px;
    margin-right: 20px;
    box-shadow: 4px 0 0 -3px var(--light-gray);
}

.event-card .event-name {
    color: var(--oxford-blue);
    font-size: var(--fs-4);
    font-weight: var(--fw-7);
    line-height: 1.6;
    text-align: center;
    transition: var(--default-transition);
}

.event-card:hover {
    border-color: var(--red-orange-color-wheel);
}

.event-card:hover .event-name {
    color: var(--red-orange-color-wheel);
}

/* =========== FEATURES =========== */
.features {
    background: var(--oxford-blue);
}

.features-left {
    padding: var(--py) var(--px);
}

.features .section-subtitle {
    margin-bottom: 15px;
}

.features .section-title {
    color: var(--white);
    margin-bottom: 30px;
}

.features-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.features-item:not(:last-child) {
    margin-bottom: 30px;
}

.features-item .item-icon-box {
    width: 65px;
    height: 65px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 8px;
}

.features-item .blue {
    background: hsl(222, 87%, 56%);
}

.features-item .pink {
    background: hsl(336, 73%, 50%);
}

.features-item .purple {
    background: hsl(265, 83%, 44%);
}

.features-item .wrapper {
    max-width: calc(100% - 85px);
}

.features-item .item-title {
    color: var(--white);
    font-size: var(--fs-4);
    font-weight: var(--fw-7);
    margin-bottom: 10px;
}

.features-item .item-text {
    font-family: 'Montserrat', sans-serif;
    color: hsl(231, 100%, 94%);
    font-size: var(--fs-6);
    line-height: 1.6;
}

.features-right {
    height: 500px;
}

.features-right img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* =========== INSTRUCTOR =========== */
.instructor {
    /* padding: var(--py) var(--px); */
    background-image: url(/assets/img/instructorbg.84dbdc46c.png);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    width: 100%;
    padding-top: 33%;
    position: relative;
    display: flex;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.instructor .section-subtitle {
    text-align: center;
    margin-bottom: 20px;
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 400;
    color: #1F2431;
    font-style: normal;
}

.instructor .section-title {
    text-align: center;
    margin-bottom: 60px;
}

.instructor-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 0 15px;
}

.instructor-card {
    background: hsl(220, 33%, 97%);
    padding: 20px;
    padding-bottom: 30px;
    border-radius: 8px;
    text-align: center;
    transition: var(--default-transition);
}

.instructor-card:hover {
    background: var(--white);
    box-shadow: 0 10px 30px hsla(0, 0%, 0%, 0.1);
}

.instructor-img-box {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 30px;
}

.instructor-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--default-transition);
}

.instructor-card:hover .instructor-img-box img {
    transform: scale(1.1);
}

.instructor-card .social-link {
    position: absolute;
    bottom: -60px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    transition: var(--default-transition);
}

.instructor-card .social-link a {
    background: var(--ultramarine-blue);
    color: var(--white);
    width: 35px;
    height: 35px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 4px;
    transition: var(--default-transition);
}

.instructor-card .social-link a:hover {
    background: var(--red-orange-color-wheel);
}

.instructor-card:hover .social-link {
    bottom: 20px;
}

.instructor-name {
    color: var(--oxford-blue);
    font-size: var(--fs-4);
    font-weight: var(--fw-7);
    margin-bottom: 10px;
    transition: var(--default-transition);
}

.instructor-card:hover .instructor-name {
    color: var(--red-orange-color-wheel);
}

.instructor-title {
    color: var(--ultramarine-blue);
    font-family: 'Montserrat', sans-serif;
    font-size: var(--fs-6);
}

/* =========== TESTIMONIAL =========== */

.testimonials {
    padding: var(--py) var(--px);
    background: var(--cultured);
}

.testimonials .section-subtitle {
    margin-bottom: 15px;
}

.testimonials .section-title {
    margin-bottom: 30px;
}

testimonials-right {
    padding: 50px 15px 0;
}

.testimonials-card {
    position: relative;
    background: var(--white);
    border-radius: 8px;
    padding: 40px;
    box-shadow: 0 15px 30px hsla(0, 0%, 0%, 0.1);
}

.testimonials .quote-img {
    position: absolute;
    bottom: 40px;
    right: 40px;
    z-index: 1;
}

.testimonials-text {
    color: var(--sonic-silver);
    font-family: 'Montserrat', sans-serif;
    font-size: var(--fs-6);
    line-height: 1.6;
    margin-bottom: 20px;
}

.testimonials-client {
    position: relative;
    display: flex;
    align-items: center;
    gap: 20px;
    z-index: 2;
}

.client-img-box {
    border: 2px solid var(--red-orange-color-wheel);
    border-radius: 8px;
    padding: 10px;
}

.client-img-box img {
    border-radius: 8px;
}

.client-detail .client-name {
    color: var(--oxford-blue);
    font-size: var(--fs-4);
    line-height: 1.2;
    font-weight: var(--fw-7);
    margin-bottom: 5px;
}

.client-detail .client-title {
    color: var(--red-orange-color-wheel);
    font-size: var(--fs-6);
}

/* =========== BLOG =========== */

.blog {
    padding: var(--py) var(--px) 250px;
}

.blog .section-subtitle {
    text-align: center;
    margin: 15px;
}

.blog .section-title {
    text-align: center;
    margin-bottom: 60px;
}

.blog-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.blog-card {
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 10px 30px hsla(0, 0%, 0%, 0.1);
    overflow: hidden;
}

.blog-banner-box {
    overflow: hidden;
}

.blog-banner-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--default-transition);
}

.blog-card:hover .blog-banner-box img {
    transform: scale(1.1);
}

.blog-content {
    padding: 30px;
    padding-bottom: 20px;
}

.blog-title {
    padding-bottom: 25px;
    border-radius: 1px solid var(--light-gray);
    margin-bottom: 15px;
}

.blog-title a {
    color: var(--oxford-blue);
    font-size: var(--fs-4);
    font-weight: var(--fw-7);
    transition: var(--default-transition);
}

.blog-card:hover .blog-title a {
    color: var(--red-orange-color-wheel);
}

.blog-content .wrapper {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 5px;
}

.blog-content .wrapper::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--light-gray);
    width: 1px;
    height: 15px;
}

.blog-publish-date,
.blog-comment {
    display: flex;
    align-items: center;
    gap: 10px;
}

:is(.blog-publish-date, .blog-comment) a {
    color: var(--sonic-silver);
    font-family: 'Montserrat', sans-serif;
    font-size: var(--fs-6);
    transition: var(--default-transition);
}

:is(.blog-publish-date, .blog-comment) a:hover {
    color: var(--oxford-blue);
}

/* =========== CONTACT =========== */

.contact {
    position: relative;
}

.contact-card {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--ultramarine-blue);
    width: calc(100% - var(--px));
    padding: 30px 20px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    border-radius: 8px;
    overflow: hidden;
}

.contact-card-bg {
    position: absolute;
    width: auto;
    max-width: 100%;
    top: -2px;
    left: -2px;
}

.contact-card h2 {
    position: relative;
    font-size: 30px;
    color: var(--white);
    font-weight: var(--fw-8);
    text-align: center;
}

.contact .btn-primary {
    justify-self: center;
}


/* =========== FOOTER =========== */

footer {
    /* background: var(--oxford-blue); */
    background-image: url(/assets/img/footerbg.0be37a51e.png);
    display: flex;
    justify-content: center;
    align-items: center;
    background-size: cover;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 50px;
    padding-top: 40px;
}

.footer-logo {
    margin-bottom: 25px;
}

.footer-text {
    font-family: 'Montserrat', sans-serif;
    font-size: var(--fs-6);
    color: var(--lavender-blue);
    margin-bottom: 35px;
    line-height: 1.6;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 20px;
}

.social-link a {
    background: hsla(0, 0%, 100%, 0.1);
    width: 45px;
    height: 45px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 4px;
    transition: var(--default-transition);
}

.social-link a:hover {
    background: var(--red-orange-color-wheel);
}

.social-link ion-icon {
    font-size: 20px;
    color: var(--white);
}

.grid-item .item-heading {
    font-size: 16px;
    color: var(--white);
    margin-bottom: 34px;
}

.grid-item .list-item:not(:last-child) {
    margin-bottom: 10px;
}

.grid-item .list-item {
    height: 20px;
}
.grid-item .list-item a {
    display: block;
    font-family: 'Montserrat', sans-serif;
    color: #fff;
    font-size: var(--fs-6);
    transition: var(--default-transition);
}

/* .grid-item .list-item a:hover {
    transform: translateX(10px);
    color: var(--red-orange-color-wheel);
} */

.grid-item .wrapper {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
}

footer .grid-item .wrapper {
    display: flex;
    flex-flow: row;
    /* justify-content: space-between; */
    align-items: center;
}

footer .grid-item .wrapper img {
    width: 80px;
}
footer .grid-item .wrapper .qt {
    font-weight: 400;
    font-size: 12px;
    color: #FFFFFF;
    text-align: center;
    margin-top: 8px;
}
.grid-item .wrapper input {
    width: 100%;
    padding: 20px 30px;
    padding-right: 70px;
    color: var(--oxford-blue);
    font-family: 'Montserrat', sans-serif;
    font-size: var(--fs-6);
    border: none;
    outline: none;
}

.grid-item .send-btn {
    position: absolute;
    top: 0;
    right: 0;
    width: 62px;
    height: 62px;
    background: var(--red-orange-color-wheel);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--default-transition);
}

.grid-item .send-btn ion-icon {
    font-size: 25px;
    color: var(--white);
}

.grid-item .send-btn:hover {
    background: var(--ultramarine-blue);
}

.copyright {
    /* background: hsl(231, 90%, 8%); */
    text-align: center;
    color: var(--lavender-blue);
    font-size: 14px;
    font-family: 'Montserrat', sans-serif;
    padding: 1px var(--py);
    line-height: 1.7;
}

.copyright a {
    display: inline-block;
    color: var(--red-orange-color-wheel);
    transition: var(--default-transition);
}

.copyright a:hover {
    color: var(--ultramarine-blue);
}

.support {
    display: flex;
    flex-flow: row;
    justify-content: space-around;
    align-items: center;
}

.support img {
    width: 40px;
    height: 40px;
}

.support div {
    display: flex;
    flex-flow: row;
    justify-content: center;
    align-items: center;
}

.support div div {
    margin-left: 10px;
}
/* 手风琴 */
.shell {
    width: 100%;
    height: 300px;
    display: flex;
}

.box {
    display: flex;
    flex-flow: column;
    flex: 1;
    overflow: hidden;
    transition: .5s;
    margin: 0 1px;
    /* box-shadow: 10px 10px 20px rgba(0, 0, 0, .5); */
    border-radius: 8px;
    /* border: 10px solid #fff; */
    /* background-color: #fff; */
    background: #FFFFFF;
    box-shadow: 0px 4px 13px 0px rgba(226, 233, 243, 0.95);
    position: relative;
}



.boxAfter::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(58, 114, 255, 0.5); /* 遮罩颜色和透明度 */
  }
.box>img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: .5s;
}

.box>span {
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 400;
    font-size: 14px;
    color: #333333;
    font-style: normal;
}

/* .box:hover{
    flex-basis: 50%;
} */
.boxMouseenter {
    flex-basis: 23%;
}

/* .box:hover>img{
    width: 100%;
    height: 100%;
} */

.box-title {
    display: flex;
    flex-flow: row;
    flex: 1;
    width: 100%;
    justify-content: center;
    align-items: center;
    padding: 0 8px;
    text-align: left;
}

.box-title .title {
    position: absolute;
    bottom: 30px;
    width: 100%;
    text-align: center;
    font-size: 16px;
    display: flex;
    flex-flow: column;
    width: 100%;
    justify-content: center;
    align-items: center;
}
.box-title .title h5{
    font-size: 16px;
    width: 100%;
    text-align: center;
    color: #FFFFFF;
    z-index: 1;
}
.box-title .titleText  {
    min-width: 100px;
    display: flex;
    flex-flow: column;
    justify-content: center;
    align-items: center;
}
.box-title .titleText h5 {
    font-size: 16px;
}
/* .box-title h5 {
    position: absolute;
    bottom: 30px;
    width: 100%;
    text-align: center;
    font-size: 16px;
} */
.box-title p {
    display: none;
    margin: 0 14px;
    font-size: 12px;
}

.case-container {
    width: 100%;
    background: #FFFFFF;
    box-shadow: 0px 4px 13px 0px rgba(226,233,243,0.95);
    border-radius: 0px 0px 8px 8px;
    display: flex;
    flex-flow: column;
}
.case-title {
    display: flex;
    flex-flow: column;
    justify-content: start;
    align-items: start;
    overflow: hidden;
    padding-bottom: 10px;
    height: 125px;
}

.case-title div:nth-child(1) {
    font-weight: 500;
    font-size: 14px;
    color: #333333;
    margin-top: 11px;
    margin-left: 20px;
    padding-left: 5px;
    border-left: 3px solid #306BFF;;
}

.case-title div:nth-child(2) {
    font-weight: 400;
    font-size: 12px;
    color: #333333;
    overflow: hidden;
    /* white-space: nowrap; */
    text-overflow: ellipsis;
    padding: 10px 25px;
    width: 100%;
    text-align: left;
}

.case-swiper-container .swiper-slide {
    border-radius: 4px;
    width: 263px;
}/* =========== MEDIA QUERIES =========== */

@media (min-width: 175px) {
  /* =========== VARIABLE =========== */

  :root {
    --fs-1: 50px;
    --fs-2: 45px;
    --fs-7: 18px;

    --px: 30px;
  }

  .pc {
    display: none;
  }

  .mobile {
    display: block;
  }

  .mobileStyle {
    border-bottom: 8px solid #F7F7F7;
  }

  .navbar {
    display: none;
  }

  .navbar-mobile {
    display: block;
    position: absolute;
    width: 62px;
    top: 15px;
    left: 20px;
  }

  .section-title {
    font-size: var(--fs-5);
    font-weight: var(--fw-8);
    color: var(--oxford-blue);
    line-height: 1.3;
  }

  .section-subtitle {
    font-size: 14px;
  }

  /* =========== HOME =========== */
  .home {
    /* background-image: url(../imgs/bannerMobile.png); */
    padding: 0px;
    padding-bottom: 0;
  }

  .home-right .icon-1 {
    top: 250px;
  }

  .home-right .icon-2 {
    display: block;
    top: 370px;
    right: 50px;
  }

  .home-right .icon-3 {
    display: block;
    top: 450px;
    left: 0;
  }

  .home-right .icon-4 {
    width: 60px;
    top: 150px;
    right: 50px;
  }

  /* =========== BAR =========== */

  .bar {
    position: relative;
    background: rgba(255, 255, 255, 0);
    padding: 0;
    z-index: 20;
  }

  .bar .container {
    position: absolute;
    top: 12px;
    right: 0;
    bottom: 0;
    left: 0;
    background: #fff;
    width: 95%;
    margin: auto;
    box-shadow: 0px 3px 5px 0px #F3F3F3;
    border-radius: 4px;
    height: 75px;
  }

  .bar-item-group {
    display: flex;
    flex-flow: row;
    flex: 1;
    align-items: center;
  }

  .bar-textMobile {
    display: none;
  }

  .bar-item-group .bar-divider {
    display: none;
  }

  .category {
    padding: 15px;
  }

  .category .section-title {
    padding-top: 60px;
  }

  .category .course-item-group {
    padding-bottom: 25px;
  }

  .channelCategory {
    padding-top: 30%;
  }

  /*  */
  .liveStore,
  .enable {
    padding: 15px 0;
  }

  .income,
  .operate {
    padding-top: 10px;
  }

  /* =========== PLATE =========== */
  .plate {
    display: flex;
    flex-flow: column;
    width: 100%;
    position: initial;
  }

  .plate .plate-left {
    position: initial;
    width: 100%;
    z-index: 10;
    padding-right: 0px;
    padding: 5px 30px;
    margin-bottom: 10px;
    /* top: 13px; */
  }

  .plate-container {
    display: flex;
    flex-flow: column;
  }

  .plate .plate-right {
    padding-top: 95%;
  }

  .swiper-slide-bottom .plate-card {
    display: flex;
    grid-template-rows: 1fr;
    grid-template-columns: 1fr 3fr 1fr 2fr;
    gap: 10px;
    margin-right: 0;
    margin-top: 10px;
  }

  .swiper-slide-bottom .plate-card div {
    flex: 1;
  }

  .swiper-slide-bottom p {
    font-weight: 400;
    font-size: 0.45rem;
    color: #333333;
    text-align: left;
    font-style: normal;
    margin-top: 10px;
    line-height: 24px;
  }

  .swiper-slide-bottom {
    display: flex;
    flex-flow: column;
    margin-top: 12px;
  }

  .swiper-slide-left {
    display: none;
  }

  .instructor {
    padding-top: 175%;
    background-size: cover;
  }

  .instructor .container {
    position: absolute;
    top: 25px;
    height: 100%;
    overflow: hidden;
  }

  .channelMobile {
    display: flex;
    padding-bottom: 35px;
  }

  .channelPC {
    display: none;
  }

  /* shell */
  .shell {
    display: none;
  }

  .case-swiper-container {
    display: block;
  }

  #case .section-title {
    padding-top: 10px;
  }

  .support div {
    display: flex;
    flex-flow: column;
    justify-content: center;
    align-items: center;
  }

  .support div div {
    margin-left: 0px;
    margin-top: 10px;
    font-size: 0.5rem;
  }

  .footer-grid .grid-item {
    display: none;
  }

  .footer-grid .grid-item:last-child {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-flow: column;
  }

  .footerImg {
    margin-left: 60px;
  }

  .loginRegistrationPageFloatingLayer {
    display: none;
  }
}

@media (min-width: 575px) {

  /* =========== VARIABLE =========== */
  :root {
    --px: 40px;
  }

  /* =========== HOME =========== */
  .home .shap-1 img {
    width: 100px;
  }

  .home .shap-3 img {
    width: 250px;
  }

  /* =========== EVENT =========== */
  .event .play {
    right: -20px;
  }

  .event-card {
    display: flex;
    align-items: center;
    text-align: left;
  }

  .event-card .content-left {
    width: 100px;
    padding-bottom: 0;
    margin-bottom: 0;
    padding-right: 15px;
    margin-right: 25px;
    box-shadow: 1px 0 0 0 var(--light-gray);
  }

  .event .schedule {
    justify-content: start;
    margin-bottom: 5px;
  }

  .event-card .event-name {
    text-align: left;
  }

  /* =========== CONTACT =========== */

  .contact h2 {
    font-size: 37px;
  }
}

@media (min-width: 750px) {

  /* =========== VARIABLE =========== */

  :root {

    --fs-1: 60px;
    --fs-2: 50px;
    --fs-7: 20px;

    --px: 60px;

  }

  /* =========== BAR ===========*/

  .bar {
    display: flex;
    justify-content: center;
    padding: 15px;
  }

  .bar .container {
    position: initial;
    top: -22px;
    right: 0;
    bottom: 0;
    left: 0;
    background: #fff;
    border: 0px;
    width: 95%;
    margin: auto;
    box-shadow: initial;
    border-radius: 8px;
    height: 75px;
  }

  .bar-item-group {
    display: flex;
    flex-flow: row;
    flex: 1;
    align-items: center;
  }

  .bar-item-group .bar-divider {
    display: block;
  }

  /* =========== CATEGORY, COURSE, INSTRUCTOR, BLOG, FOOTER =========== */

  .category .course-item-group,
  .course-grid,
  .instructor-grid,
  .blog-grid {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(1, 1fr);
  }



  /* =========== EVENT =========== */

  .event .play {
    right: -100px;
  }



  /* =========== CONTACT =========== */

  .contact-card {
    padding: 40px 60px;
  }

}

@media (min-width: 850px) {

  /* =========== VARIABLE =========== */
  :root {
    --px: 140px;
  }
}


@media (min-width: 992px) {

  /* =========== VARIABLE =========== */

  :root {

    --fs-5: 16px;

    --px: 30px;
    --py: 120px;

  }

  .mobileStyle {
    border-bottom: 0px;
  }

  /* =========== HEADER =========== */

  .section-title {
    font-size: var(--fs-2);
    font-weight: var(--fw-8);
    color: var(--oxford-blue);
    line-height: 1.3;
  }

  .category .section-title {
    padding-top: 50px;
  }

  .category .course-item-group {
    padding-bottom: 50px;
  }

  .navbar {
    padding: 15px var(--px);
    display: flex;
  }

  .navbar-mobile {
    display: none;
  }

  .navbar-nav {
    background: transparent;
    position: static;
    box-shadow: none;
    padding: 0;
    opacity: 1;
    transform: scale(1);
    pointer-events: all;
    display: flex;
    align-items: center;
    gap: 20px;
  }

  .nav-item:not(:last-child) a {
    border-bottom: none;
  }

  .nav-toggle-btn {
    display: none;
  }

  .navbar .btn {
    display: block;
  }

  /* =========== BAR ===========*/

  /* .bar-item-group {
    flex-flow: column;
  } */

  .bar-textMobile {
    display: block;
  }

  /* =========== HOME  ===========*/

  .home {
    display: flex;
    align-items: center;
    /* background-image: url(../imgs/banner.png); */
    padding-bottom: 0;
    justify-content: center;
  }

  .home::before {
    top: -100px;
    left: -300px;
  }

  .home::after {
    top: 0;
  }

  .home-left {
    margin-bottom: 0;
  }

  .home .section-subtitle,
  .main-heading,
  .home .section-text {
    text-align: left;
  }

  .home .section-text {
    margin: 0 0 30px;
  }

  .home-btn-group {
    justify-content: start;
  }

  /* =========== CATEGORY =========== */

  .category .course-item-group {
    grid-template-columns: 242px 1fr 1fr;
    /* grid-template-columns: 1fr 1fr 1fr; */
    grid-template-rows: repeat(2, 1fr);
    grid-template-areas:
      "digitization operate income"
      "digitization liveStore enable"
  }

  .category .digitization {
    grid-area: digitization;
  }

  .category .operate {
    grid-area: operate;
  }

  .category .income {
    grid-area: income;
  }

  .category .liveStore {
    grid-area: liveStore;
  }

  .category .enable {
    grid-area: enable;
  }

  /* =========== ABOUT =========== */

  .about {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: end;
    gap: 40px;
  }

  .about-left {
    margin-left: -70px;
  }

  .about-left img {
    max-width: unset;
  }

  .about-right {
    padding-top: 0;
  }



  /* =========== COURSE =========== */

  .course {
    position: relative;
  }

  .course .section-subtitle,
  .course .section-title {
    max-width: 600px;
  }

  .section-subtitle {
    font-size: 20px;
  }

  .course-grid {
    grid-template-columns: repeat(2, 1fr);
    margin-bottom: 0;
  }

  .course .btn-primary {
    position: absolute;
    top: 130px;
    right: var(--px);
  }



  /* =========== EVENT =========== */

  .event {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 50px;
    align-items: center;
  }

  .event-left {
    margin-bottom: 0;
  }

  .event .play {
    right: -10px;
  }



  /* =========== FEATURE =========== */

  .features {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .features-right {
    height: auto;
  }



  /* =========== TESTIMONIALS =========== */

  .testimonials {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
  }



  /* =========== BLOG =========== */

  .blog-grid {
    grid-template-columns: repeat(3, 1fr);
  }



  /* =========== CONTACT =========== */

  .contact-card {
    grid-template-columns: 1fr 1fr;
  }

  .contact-card h2 {
    text-align: left;
  }

  .contact .btn-primary {
    justify-self: end;
    align-self: center;
  }

  /* =========== shell =========== */
  .shell {
    display: flex;
    margin-bottom: 50px;
  }

  .case-swiper-container {
    display: none;
  }

  .support div {
    display: flex;
    flex-flow: row;
    justify-content: center;
    align-items: center;
  }

  .support div div {
    margin-left: 10px;
    margin-top: 0px;
    font-size: 16px;
  }

  .shell p {}

  /* =========== FOOTER =========== */

  .footer-grid {
    grid-template-columns: 1fr 1fr 1fr 1fr 2fr;
  }

  .instructor {
    padding-top: 60%;
  }

  .instructor .container {
    position: absolute;
    top: 50px;
    height: 100%;
    overflow: hidden;
  }

  .footerImg {
    margin-left: 20px;
  }

  /*=========== PLATE ===========*/

  .plate {
    display: flex;
    flex-flow: row;
    width: 100%;
    position: relative;
  }

  .plate .plate-left {
    position: absolute;
    width: 35%;
    z-index: 10;
    padding: 0;
    padding-right: 70px;
    top: 13px;
    margin-bottom: 0;
  }

  .plate-container {
    display: flex;
    flex-flow: row;
  }

  .plate .plate-right {
    padding-top: 35%;
  }

  .swiper-slide-bottom {
    display: none;
    flex-flow: column;
  }

  .swiper-slide-left {
    display: block;
  }

  .channelCategory {
    padding-top: 30%;
  }

  /* channel */
  .channelMobile {
    display: none;
  }

  .channelPC {
    display: flex;
  }

  .pc {
    display: block;
  }

  .mobile {
    display: none;
  }

  .footer-grid .grid-item {
    display: block;
  }

  .loginRegistrationPageFloatingLayer {
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    position: fixed;
    left: 0px;
    top: 0px;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100;
  }

  .loginAndRegister {
    width: 1000px;
    opacity: 1;
    z-index: 11;
    background-color: #fff;
    border-radius: 8px;
    box-sizing: border-box;
    box-shadow: 0 1px 3px rgba(0, 0, 0, .3);
    padding: 20px;
    position: relative;
  }
}

@media (min-width: 1200px) {

  /* =========== VARIABLE =========== */

  :root {

    --fs-1: 70px;
    --fs-2: 55px;
    --fs-3: 40px;
    --fs-4: 25px;
    --fs-7: 22px;

    --px: 120px;

  }


  /* =========== HOME =========== */

  .home-left {
    padding-bottom: var(--py);
  }

  .home .section-text {
    font-size: 18px;
  }

  /* =========== BAR ===========*/

  .bar-item-group {
    display: flex;
    flex-flow: row;
    flex: 1;
  }

  /* =========== CATEGORY =========== */

  .category .course-item-group {
    grid-template-columns: 242px 1fr 1fr;
    /* grid-template-columns: 1fr 1fr 1fr; */
    grid-template-rows: repeat(2, 1fr);
    grid-template-areas:
      "digitization operate income"
      "digitization liveStore enable"
  }

  .category .digitization {
    grid-area: digitization;
  }

  .category .operate {
    grid-area: operate;
  }

  .category .income {
    grid-area: income;
  }

  .category .liveStore {
    grid-area: liveStore;
  }

  .category .enable {
    grid-area: enable;
  }

  /* =========== EVENT =========== */

  .event {
    grid-template-columns: 1fr 1fr;
  }

  .channelCategory {
    padding-top: 25%;
  }

  /* =========== INSTRUCTOR =========== */

  .instructor-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .instructor {
    padding-top: 50%;
  }


  /* =========== CONTACT =========== */

  .contact-card h2 {
    font-size: 45px;
  }

}

@media (min-width: 1400px) {
  .channelCategory {
    padding-top: 20%;
  }

  .instructor {
    padding-top: 45%;
  }
}

@media (min-width: 1700px) {
  .channelCategory {
    padding-top: 15%;
  }

  .instructor {
    padding-top: 33%;
  }
}

#modal {
  display: none;
  /* 隐藏弹窗 */
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.3);
  justify-content: center;
  align-items: center;
  z-index: 999;
  display: flex;
  /* 使用 flex 布局 */
  justify-content: center;
  /* 水平居中 */
  align-items: center;
  /* 垂直居中 */
}

#modal-content {
  background-color: white;
  padding: 20px;
  border-radius: 10px;
  text-align: center;
  width: 350px;
  font-size: 16px;
  display: flex;
  flex-flow: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

#close-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 20px;
  height: 20px;
  cursor: pointer;
  /* color: white; */
  border: none;
  z-index: 1000;
}/* =========== VARIABLES =========== */

.swiper-container {
    width: 100%;
    height: 100%;
}
.swiper-slide {
    text-align: center;
    font-size: 18px;
    background: #fff;
    /* Center slide text vertically */
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}
/* 自定义分页样式 */
.swiper-pagination-custom {
    position: absolute;
    bottom: 10px;
    left: 0;
    width: 100%;
    text-align: center;
}
.swiper-pagination-custom .swiper-pagination-bullet {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #000;
    opacity: 0.2;
    margin: 0 5px;
}
.swiper-pagination-custom .swiper-pagination-bullet-active {
    opacity: 1;
    background: #FFF;
}/**
 * Swiper 3.4.2
 * Most modern mobile touch slider and framework with hardware accelerated transitions
 * 
 * http://www.idangero.us/swiper/
 * 
 * Copyright 2017, Vladimir Kharlampidi
 * The iDangero.us
 * http://www.idangero.us/
 * 
 * Licensed under MIT
 * 
 * Released on: March 10, 2017
 */
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swiper-preloader-spin{100%{-webkit-transform:rotate(360deg)}}@keyframes swiper-preloader-spin{100%{transform:rotate(360deg)}}/**
 * Swiper 11.0.3
 * Most modern mobile touch slider and framework with hardware accelerated transitions
 * https://swiperjs.com
 *
 * Copyright 2014-2023 Vladimir Kharlampidi
 *
 * Released under the MIT License
 *
 * Released on: October 26, 2023
 */

@font-face{font-family:swiper-icons;src:url('data:application/font-woff;charset=utf-8;base64, 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.swiper-slide,.swiper-ios .swiper-slide,.swiper-wrapper{transform:translate3d(0px,0,0)}.swiper-horizontal{touch-action:pan-y}.swiper-vertical{touch-action:pan-x}.swiper-slide{flex-shrink:0;width:100%;height:100%;position:relative;transition-property:transform;display:block}.swiper-slide-invisible-blank{visibility:hidden}.swiper-autoheight,.swiper-autoheight .swiper-slide{height:auto}.swiper-autoheight .swiper-wrapper{align-items:flex-start;transition-property:transform,height}.swiper-backface-hidden .swiper-slide{transform:translateZ(0);-webkit-backface-visibility:hidden;backface-visibility:hidden}.swiper-3d.swiper-css-mode .swiper-wrapper{perspective:1200px}.swiper-3d .swiper-wrapper{transform-style:preserve-3d}.swiper-3d{perspective:1200px}.swiper-3d .swiper-cube-shadow,.swiper-3d .swiper-slide{transform-style:preserve-3d}.swiper-css-mode>.swiper-wrapper{overflow:auto;scrollbar-width:none;-ms-overflow-style:none}.swiper-css-mode>.swiper-wrapper::-webkit-scrollbar{display:none}.swiper-css-mode>.swiper-wrapper>.swiper-slide{scroll-snap-align:start start}.swiper-css-mode.swiper-horizontal>.swiper-wrapper{scroll-snap-type:x mandatory}.swiper-css-mode.swiper-vertical>.swiper-wrapper{scroll-snap-type:y mandatory}.swiper-css-mode.swiper-free-mode>.swiper-wrapper{scroll-snap-type:none}.swiper-css-mode.swiper-free-mode>.swiper-wrapper>.swiper-slide{scroll-snap-align:none}.swiper-css-mode.swiper-centered>.swiper-wrapper::before{content:'';flex-shrink:0;order:9999}.swiper-css-mode.swiper-centered>.swiper-wrapper>.swiper-slide{scroll-snap-align:center center;scroll-snap-stop:always}.swiper-css-mode.swiper-centered.swiper-horizontal>.swiper-wrapper>.swiper-slide:first-child{margin-inline-start:var(--swiper-centered-offset-before)}.swiper-css-mode.swiper-centered.swiper-horizontal>.swiper-wrapper::before{height:100%;min-height:1px;width:var(--swiper-centered-offset-after)}.swiper-css-mode.swiper-centered.swiper-vertical>.swiper-wrapper>.swiper-slide:first-child{margin-block-start:var(--swiper-centered-offset-before)}.swiper-css-mode.swiper-centered.swiper-vertical>.swiper-wrapper::before{width:100%;min-width:1px;height:var(--swiper-centered-offset-after)}.swiper-3d .swiper-slide-shadow,.swiper-3d .swiper-slide-shadow-bottom,.swiper-3d .swiper-slide-shadow-left,.swiper-3d .swiper-slide-shadow-right,.swiper-3d .swiper-slide-shadow-top{position:absolute;left:0;top:0;width:100%;height:100%;pointer-events:none;z-index:10}.swiper-3d .swiper-slide-shadow{background:rgba(0,0,0,.15)}.swiper-3d 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linear}.swiper-lazy-preloader-white{--swiper-preloader-color:#fff}.swiper-lazy-preloader-black{--swiper-preloader-color:#000}@keyframes swiper-preloader-spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}.productLogo{width:150px;margin:auto;margin-top:10px}.signInName{width:100%;margin-top:20px;text-align:center;font-size:32px;margin-bottom:32px}.changeHands{cursor:pointer}.signInInput{margin-top:23px}.phoneNumberInputBox{width:340px;border:1px solid #dcdfe6;border-radius:30px;width:340px;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex}.phoneNumberPrefix{border-radius:30px 0 0 30px;padding:0 15px;background-color:#F3F6F9;border-right:#dcdfe6;color:#A0A3A8;font-weight:400}.phoneNumberInput{-webkit-box-flex:1;-webkit-flex:1;-ms-flex:1;flex:1;border:0px;border-radius:0 30px 30px 0;-webkit-box-sizing:border-box;box-sizing:border-box;padding-left:15px}.rememberPasswordVerificationCodeLogin{width:89%;margin:auto;margin-top:10px;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-webkit-justify-content:space-between;-ms-flex-pack:justify;justify-content:space-between;-webkit-box-align:center;-webkit-align-items:center;-ms-flex-align:center;align-items:center;font-size:14px;font-weight:400}.rememberPasswordVerificationCodeLogin .checkbox{position:relative;top:2px}.userAgreement{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-webkit-justify-content:center;-ms-flex-pack:center;justify-content:center;font-size:14px;font-weight:400;margin-top:20px}.userAgreement .checkbox{position:relative;left:-3px}.verificationCodeSplicingImage{width:100%;height:100%}.verificationCodeSplicingSmallImage{width:50px;height:50px;position:absolute;top:10px;left:10px}.switchRegistrationForgetPassword{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-webkit-justify-content:center;-ms-flex-pack:center;justify-content:center;margin-top:10px;font-size:15px;color:#9ca2c0;font-weight:400}.customerServiceTelephoneNumbers{font-size:12px;margin-top:-11px}.showHiddenPassword{width:16px;height:16px;position:absolute;left:389px;top:13px}.loadingInProgress{width:100%;height:100%;background-color:rgba(255,255,255,0.5);position:fixed;top:0;left:0;z-index:10000;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-webkit-justify-content:center;-ms-flex-pack:center;justify-content:center;-webkit-box-align:center;-webkit-align-items:center;-ms-flex-align:center;align-items:center;-webkit-box-orient:vertical;-webkit-box-direction:normal;-webkit-flex-direction:column;-ms-flex-direction:column;flex-direction:column;font-size:20px;color:#787c80;display:none}.loadingInProgress img{width:50px;height:50px;-webkit-animation:spin 1s linear infinite;animation:spin 1s linear infinite;margin-bottom:10px}@-webkit-keyframes spin{0%{-webkit-transform:rotate(0deg);transform:rotate(0deg)}100%{-webkit-transform:rotate(360deg);transform:rotate(360deg)}}@keyframes spin{0%{-webkit-transform:rotate(0deg);transform:rotate(0deg)}100%{-webkit-transform:rotate(360deg);transform:rotate(360deg)}}*{margin:0;padding:0;-webkit-box-sizing:border-box;box-sizing:border-box;font-family:Arial, sans-serif}.el-message{position:fixed;top:-80px;left:50%;-webkit-transform:translateX(-50%);transform:translateX(-50%);min-width:380px;max-width:550px;padding:18px 22px;font-size:16px;border-radius:10px;-webkit-box-shadow:0 4px 16px rgba(0,0,0,0.15);box-shadow:0 4px 16px rgba(0,0,0,0.15);opacity:0;font-weight:bold;-webkit-transition:top 0.4s ease-out, opacity 0.4s ease;transition:top 0.4s ease-out, opacity 0.4s ease;z-index:9999}.el-message.success{background:#f0f9eb;color:#389e0d;border-color:#52c41a}.el-message.error{background:#fef0f0;color:#cf1322;border-color:#f5222d}.el-message.warning{background:#fff7e6;color:#d46b08;border-color:#fa8c16}.el-message.info{background:#e6f7ff;color:#096dd9;border-color:#1890ff}.alert-btn{padding:12px 24px;font-size:16px;background:#409eff;color:white;border:none;border-radius:8px;cursor:pointer;margin:5px;-webkit-transition:background 0.3s;transition:background 0.3s}.alert-btn:hover{background:#337ecc}.carousel{width:500px;overflow:hidden;position:relative;margin:auto}.carousel .carousel-images{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-transition:-webkit-transform 0.5s ease-in-out;transition:-webkit-transform 0.5s ease-in-out;transition:transform 0.5s ease-in-out;transition:transform 0.5s ease-in-out, -webkit-transform 0.5s ease-in-out;will-change:transform}.carousel img{width:500px;height:455px;-webkit-flex-shrink:0;-ms-flex-negative:0;flex-shrink:0}.swiper-pagination-two{padding-bottom:0.5rem}