body {
    font-family: MiSans;
    line-height: 1.2;
}

.section-title {
    font-family: MiSans;
    font-size: 0.64rem !important;
    font-weight: 900;
    text-align: center;
    color: #4F4D4D;
    margin-bottom: 0.08rem;
    letter-spacing: 0.02rem;
}

.section-desc {
    font-family: Source Han Sans;
    font-size: 0.36rem;
    text-align: center;
    color: #3D3D3D;
    margin-bottom: 0.54rem;
    letter-spacing: 0.01rem;
}

.classroom-service-banner {
    position: relative;
    width: 100%;
    height: 100vh;
    background: url('../img/professional-preparatory-course/bg.png') center center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-family: "Microsoft YaHei", Arial, sans-serif;
}

.classroom-service-banner::after {
    content: '';
    position: absolute;
    left: 0rem;
    top: 0rem;
    right: 0;
    bottom: 0;
    opacity: 1;
    background: linear-gradient(90deg, rgba(62, 214, 238, 0.95) 27%, rgba(62, 214, 238, 0.836) 61%, rgba(62, 214, 238, 0.19) 99%);
}

.banner-content {
    width: 100%;
    padding: 0.6rem 0.44rem 0.4rem 1.33rem;
    text-align: left;
    position: relative;
    z-index: 1;
}

.banner-title {
    font-family: MiSans;
    font-size: 1.2rem;
    font-weight: bold;
    background: #fff;
    color: #34B8CD;
    display: inline-block;
    padding: 0.16rem 0.39rem;
    line-height: 1;
}

.banner-desc {
    font-size: 0.4rem;
    margin: 0.74rem 0 0.4rem 0.4rem;
    font-weight: 400;
    letter-spacing: 2px;
}


.banner-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 1.90rem;
}

.banner-btn {
    font-family: Source Han Sans;
    border: 1px solid #fff;
    color: #fff;
    font-size: 0.36rem;
    font-weight: 500;
    padding: 0.05rem 0.41rem;
    border-radius: 0.32rem;
    text-decoration: none;
    display: inline-flex;
    align-items: baseline;
}

.banner-btn svg {
    margin-left: 0.1rem;
}

.banner-slogan {
    font-family: Source Han Sans;
    position: relative;
    font-size: 0.48rem;
    font-weight: bold;
    letter-spacing: 2px;
    background: rgba(56, 180, 73, 0.0);
}

.banner-slogan::after {
    content: '';
    position: absolute;
    right: 0;
    top: -0.06rem;
    height: 0.06rem;
    width: 1.66rem;
    background: #fff;
}

/* 如何解决客户痛点 */
.pain-points-container {
    text-align: center;
    margin: 1.58rem 1.46rem 1.12rem;
}

.pain-points-container .pain-points-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.42rem;
}

.pain-points-container .pain-point-card {
    background: #fff;
    border-radius: 0.01rem;
    box-shadow: 0rem 0.04rem 0.10rem 0rem rgba(0, 0, 0, 0.3);
    height: 2.1rem;
    font-size: 0.36rem;
    font-weight: 600;
    padding: 0.32rem 0.16rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.pain-points-container .card-bar {
    display: inline-block;
    width: 0.13rem;
    height: 1.29rem;
    background: #3ED6EE;
    border-radius: 0rem 0.05rem 0.05rem 0rem;
    position: absolute;
    left: 0rem;
}

/* 适用人群 */
.suitable-people-section {
    display: flex;
    align-items: center;
    margin: 0 1.8rem;
    justify-content: space-between;
}

.suitable-people-section .suitable-cards {
    display: flex;
    align-items: center;
}

.suitable-people-section .suitable-card {
    background: #2ec3d7;
    color: #fff;
    border-radius: 0.3rem;
    width: 3.20rem;
    min-height: 2.60rem;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0.36rem 0.28rem 0.28rem 0.28rem;
    font-size: 0.24rem;
    font-weight: 500;
    box-shadow: 0rem 0.04rem 0.10rem 0rem rgba(0, 0, 0, 0.3);
}

.suitable-people-section .suitable-card:first-child {
    background: #34B8CD;
    width: 4.40rem;
    height: 4.77rem;
    padding-left: 0.31rem;
    padding-right: 1.79rem;
}

.suitable-people-section .suitable-card:nth-child(2) {
    background: #3CC1D6;
    width: 4.39rem;
    height: 5.43rem;
    padding-left: 0.25rem;
    margin-left: -1.65rem;
    padding-right: 1.12rem;
}

.suitable-people-section .suitable-card:nth-child(2)::before {
    content: '';
    position: absolute;
    width: 0.75rem;
    height: 0.50rem;
    border-radius: 0.50rem;
    background: #3CC1D6;
    bottom: 0.44rem;
    left: -0.38rem;
}

.suitable-people-section .suitable-card:nth-child(3) {
    background: #3ED6EE;
    width: 4.41rem;
    height: 6.12rem;
    padding-left: 0.29rem;
    margin-left: -0.90rem;
}

.suitable-people-section .suitable-card:nth-child(3)::before {
    content: '';
    position: absolute;
    width: 0.75rem;
    height: 0.50rem;
    border-radius: 0.50rem;
    background: #3ED6EE;
    bottom: 0.44rem;
    left: -0.38rem;
}

.suitable-people-section .suitable-card-text {
    font-size: 0.24rem;
    font-weight: 500;
}

.suitable-people-section .suitable-card-num {
    position: absolute;
    left: 0.30rem;
    bottom: -0.14rem;
    font-size: 0.96rem;
    opacity: 0.2;
    color: #FFFFFF;
    font-weight: bold;
}

/* 独家优势与卖点 */
.advantage-section {
    text-align: center;
    margin: 1.12rem auto 0.86rem;
}

.advantage-section .advantage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    margin: 0 1.60rem;
}

.advantage-section .advantage-item {
    background: #fff;
    padding: 1.10rem 0.10rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.advantage-section .advantage-item:nth-child(-n+3) {
    border-bottom: 0.02rem solid #D8D8D8;
}

.advantage-section .advantage-item:nth-child(-n+2),
.advantage-section .advantage-item:nth-child(4),
.advantage-section .advantage-item:nth-child(5) {
    border-right: 0.02rem solid #D8D8D8;
}

.advantage-section .advantage-item .icon {
    height: 0.5rem;
    line-height: initial;
    display: flex;
    margin-bottom: 0.1rem;
}

.advantage-section .advantage-item .text {
    font-size: 0.3rem;
    font-weight: 600;
    color: #3D3D3D;
}

/* 卡片底部内容默认隐藏，仅hover时显示 */
.advantage-section .advantage-item-extra {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    font-size: 0.24rem;
    transform: translateY(100%);
    opacity: 0;
    transition: transform 0.35s cubic-bezier(.4, 0, .2, 1), opacity 0.35s;
    pointer-events: none;
    z-index: 2;
    box-sizing: border-box;
    display: block;
    font-weight: normal;
    text-align: center;
    padding: 0.3rem 0.75rem 0 0.75rem;
}

.advantage-section .advantage-item:hover .icon,
.advantage-section .advantage-item:hover .text {
    transform: translateY(-0.56rem);
    color: #3ED6EE;
}

.advantage-section .advantage-item:hover .advantage-item-extra,
.advantage-section .advantage-item.active .advantage-item-extra {
    opacity: 1;
    transform: translateY(50%);
}

/*  产品服务流程 */
.service-flow-section {
    margin: 0 1.6rem 1.15rem 1.6rem;
    color: #3D3D3D;
}

.service-flow-section .service-flow-steps {
    display: flex;
}

.service-flow-section .left-area,
.service-flow-section .right-area {
    flex: 1;
}

.service-flow-section .right-area {
    margin-top: 1.33rem;
    margin-left: -0.72rem;
}

.service-flow-section .service-flow-step {
    border-radius: 0.12rem;
    flex: 1 1 2.6rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: relative;
    margin-bottom: 0.04rem;
}

.service-flow-section .left-area .service-flow-step {
    display: flex;
    align-items: end;
    text-align: right;
}

.service-flow-section .left-area .step-number {
    left: 0.36rem;
    top: 0.2rem;
}

.service-flow-section .right-area .service-flow-step {
    display: flex;
    text-align: left;
}

.service-flow-section .right-area .step-number {
    right: 0.36rem;
    top: 0.2rem;
}

.service-flow-section .right-area .service-flow-step .step-content {
    background: url("../img/professional-preparatory-course/arrow1.png") no-repeat;
    background-size: 100% 100%;
    padding: 0 0.3rem 0 0.91rem;
    left: 0.07rem;
}

.service-flow-section .service-flow-step .step-content {
    position: absolute;
    background: url("../img/professional-preparatory-course/arrow.png") no-repeat;
    background-size: 100% 100%;
    top: 0.27rem;
    right: 0.07rem;
    height: 2rem;
    width: 8.1rem;
    padding: 0 0.91rem 0 0.3rem;
}

.service-flow-section .step-number {
    font-size: 0.48rem;
    font-weight: 900;
    color: rgba(62, 213, 237, 0.1);
    position: absolute;
}

.service-flow-section .step-title {
    font-size: 0.36rem;
    font-weight: 500;
    margin: 0.4rem auto 0.25rem;
}

.service-flow-section .step-desc {
    font-size: 0.24rem;
    font-weight: normal;
}

.service-flow-section .step-desc span {
    color: #ED2E41;
}

/* 笔记本电脑适配样式 (1024px-1440px) */
/* 1500px屏幕适配 */
/* 1600px-1920px: 缩放到92% */
@media (max-width: 1920px) and (min-width: 1601px) {
    body {
        zoom: 0.92;
    }
}

/* 1441px-1600px: 缩放到88% */
@media (max-width: 1600px) and (min-width: 1441px) {
    body {
        zoom: 0.80;
    }
    
    .common-pd {
        padding: 0 100px;
    }
}
@media (max-width: 1440px) {
    body {
        zoom: 0.75;
    }
}