body{width: 100%; max-width: 100%; overflow-x: hidden;}
main {
   width: 100%;
   max-width: 1200px;
   margin: 0 auto;
   padding: 0 20px;
}
.imgFullScreen{
    width: 100%;
    height: auto;
}
.mb50{
    margin-bottom: 50px;
}

#footer-container{
    width: 100%;
}
.footer{
    background: #f5f5f5;
    padding: 40px 0 10px;
}
.footerBox{
    display: flex;
    justify-content: center;
    font-size: 16px;
    margin-bottom: 20px;
}
.footerInfoBox{
    margin: 20px auto;
    font-size: 16px;
    color: #666666;
    width: 600px;
}
.footerInfoBox .footerInfoItemIphone{
    margin-right: 190px;
}
.footerBox .footerNavItem{
    color: #333333;
    padding: 0 60px;
    font-size: 16px;
}
.footerNavItem:hover{
    cursor: pointer;
    color: #c92c3f;
}
.footerBox .footerInfoItem{
    color: #666666;
    line-height: 40px;
}
.ICPItem{
    color: #666666;
    padding: 0 12px;
}
.ICPItem-color{
    color: #333333;
}
.beiIcon{
    object-fit: contain;
}
/*  */
#header-container{
    width: 100%;
    background: #fff;
}
.headerCon{
    width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    height: 60px;
}
.headerCon .logo{
    height: 30px;
    width: auto;
}
.headerCon .headerNav{
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}
.headerCon .headerNav .headerNavItem{
    font-size: 18px;
    padding: 0 50px;
    height: 60px;
    line-height: 60px;
}
.headerCon .headerNav .headerNavItemEd{
    color: #c92c3f;
}
.headerNavPar{
    position: relative;
}
.headerNavPar .headerNavTwo{
    position: absolute;
    left: 0;
    right: 0;
    top: 60px;
    background: rgba(255, 255, 255, .8);
    height: auto;
    display: none;
}
.headerNavPar .headerNavTwo .headerNavTwoItem{
    display: flex;
    justify-content: center;
    align-items: center;
    height: 60px;
    line-height: 60px;
    font-size: 18px;
}
.headerNavPar .headerNavTwo .headerNavTwoItem .headerNavTwoItemLogo{
    height: 20px;
    width: auto;
}
.headerNavPar:hover .headerNavTwo{
    display: block;
}
/* main */
.font-title{
    font-weight: bold;
    text-align: center;
    margin-bottom: 30px;
}
.header-title{
    font-size: 36px;
    padding: 50px 0 20px 0;
}
.header-samll-title{
    font-size: 26px;
    color: #000;
    font-weight: 700;
}
/* 担心 */
.worry{
    width: 100%;
    display: flex;
    justify-content: center;
    margin: 30px 0 50px;
}
.worry-img{
    max-width: 100%;
    height: 500px;
}
.header-text{
    font-size: 18px;
    text-align: center;
    color: #666666;
    margin-bottom: 10px;
}

/* 这正是学ONE存在的意义 */
.meaning-section{
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 40px 0 60px;
    gap: 40px;
}
.meaning-img{
    max-width: 50%;
    height: auto;
}
.meaning-text{
    max-width: 50%;
    text-align: left;
}
.meaning-text .header-text{
    text-align: left;
    font-size: 20px;
    line-height: 1.8;
    margin-bottom: 15px;
}
/* 四大优势 */
.advantage-box{
    width: 100%;
    height: auto;
    margin: 60px 0;
}
.advantage-item{
    display: flex;
    align-items: center;
    justify-content:center;
    margin-top: 60px;
    gap: 20px;
    padding: 20px 0;
}
.bg-pink{
    background-color: #fdf3f3bf;
}
.advantage-img-left, .advantage-img-right{
    width: 288px;
    height: 350px;
    object-fit: cover;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}
.advantage-img-left:hover, .advantage-img-right:hover{
        /* 图片放大动画 */
    cursor: pointer;
    transform: scale(1.05);
    transition: transform 0.3s ease;
}
.advantage-content{
    width: 36%;
    text-align: center;
}
.advantage-title{
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #333333;
    line-height: 1.5;
}
.advantage-arrow{
    width: 100%;
    height: 14px;
    background: linear-gradient(to right, #e74c3c, #e74c3c);
    position: relative;
    margin: 15px 0;
}
.advantage-arrow::after{
    content: '';
    position: absolute;
    top: 50%;
    right: -10px;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-top: 14px solid transparent;
    border-bottom: 14px solid transparent;
    border-left: 18px solid #e74c3c;
}
.advantage-text{
    font-size: 15px;
    color: #666666;
    line-height: 1.7;
    text-align: left;
    padding: 0 10px;
}

/* 课程特色 */
.course-features{
    background: url('../images/14.png') no-repeat center;
    padding: 60px 0;
}
.features-header{
    text-align: center;
    margin-bottom: 50px;
}
.features-main-title{
    font-size: 34px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 40px;
}
.features-sub-title{
    font-size: 28px;
    color: #333333;
    font-weight: bold;
}
.features-grid{
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin: 0 auto;
    /* 布局右侧靠左, 左侧靠右 */
}
.feature-item:nth-child(odd) {
    justify-self: end; /* 或 flex-end */
}
/* 偶数项（右侧列）靠左 */
.feature-item:nth-child(even) {
    justify-self: start; /* 或 flex-start */
    /* 默认就是左对齐，可明确写出 text-align: left; */
}
.feature-item{
    display: flex;
    background-color: #7d5fff;
    overflow: hidden;
    color: white;
    height: 180px;
    width: 500px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}
.feature-img{
    width: 180px;
    height: 180px;
    object-fit: cover;
    margin-bottom: 0;
}
.feature-img:hover{
    cursor: pointer;
    transform: scale(1.05);
    transition: transform 0.3s ease;
}
.feature-content{
    padding: 20px;
}
.feature-title{
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 15px;
    color: white;
}
.feature-text{
    font-size: 14px;
    color: white;
    font-weight: 400;
    line-height: 1.6;
}

/* 学生作品展示 */
.student-works{
    padding: 0 20px;
}
.unique-content{
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 50px;
    width: 100%;
    max-width: 1200px;
    margin: 40px auto 0;
    
}
/* .unique-left{
    width: 60%;
} */
.unique-item{
    margin-bottom: 40px;
}
.unique-title{
    font-size: 18px;
    font-weight: 700;
    color: #e74c3c;
    margin-bottom: 10px;
}
.unique-text{
    font-size: 16px;
    color: #666666;
    line-height: 1.7;
    padding-left: 0;
}
.unique-right{
    width: 40%;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
}
.hexagon-img{
    width:300px;
    height:300px;
    position: relative;
}
.hexagon-image{
    width: 300px;
    height: 200px;
    object-fit: cover;
    margin-top: 25px;
}
.hexagon-image:hover{
    cursor: pointer;
    transform: scale(1.05);
    transition: transform 0.3s ease;
}
.review-avatar-box{
    display: flex;
    align-items: center;
    justify-content: center;
}
.hexagon-img:nth-child(1){
    align-self: flex-end;
}
.hexagon-img:nth-child(2){
    align-self: flex-start;
}

/* 家长评价 */
.parent-reviews{
    background: #f1f1f177;
    height: 480px;
}
.reviews-grid{
    /* display: grid; */
    gap: 40px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.review-item{
    padding: 40px 20px;
    width: 280px;
    height: 310px;
    background: #fff;
    border-radius: 15px;
    transition: transform 0.3s ease;
}
.review-item:hover{
    transform: translateY(-3px);
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0,0,0,0.12);
}
.review-avatar{
    width: 100px;
    height: 100px;
}
.review-name{
    font-size: 18px;
    color: #c82929;
    font-weight: 600;
    margin-bottom: 20px;
    margin-left: 10px;
}
.review-text{
    font-size: 16px;
    color: #666;
    line-height: 1.8;
}

/* 常见问题 */
.faq{
    width: 100%;
    background: url('../images/24.png') no-repeat center;
    height: 540px;
}
.faq-content{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    max-width: 1200px;
    margin: 40px auto 0;
    gap: 30px;
}
.faq-left{
    display: flex;
   align-items: center;
   width: 600px;
}
.faq-right{
    display: flex;
    align-items: center;
    justify-content: center;
}
.faq-center{
    width: 10%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}
.faq-icon{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.faq-item{
    padding: 25px 30px;
    transition: all 0.3s ease;
}
.faq-question{
    font-size: 18px;
    color: #333;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.4;
}
.faq-answer{
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

/* 底部行动区 */
.call-to-action{
    margin: 80px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
    padding: 60px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}
.cta-img{
    width: 40%;
    min-width: 300px;
    height: auto;
}
.cta-content{
    max-width: 55%;
    text-align: left;
}
.cta-title{
    font-size: 36px;
    color: #333;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}
.cta-text{
    font-size: 20px;
    color: #666;
    margin-bottom: 40px;
    line-height: 1.6;
}
.cta-button{
    padding: 20px 50px;
    font-size: 24px;
    color: #fff;
    background: #c92c3f;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
}
.cta-button:hover{
    background: #a82432;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(201, 44, 63, 0.4);
}
/* 响应式设计 */
@media (max-width: 1200px) {
    main {
        padding: 0 15px;
    }
    
    .advantage-item {
        flex-direction: column;
        gap: 20px;
        padding: 20px 0;
    }
    
    .advantage-img-left, .advantage-img-right {
        width: 60%;
        height: auto;
    }
    .advantage-content {
        width: 80%;
    }
    
    .unique-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .unique-right {
        width: 80%;
    }
    
    .reviews-grid {
        flex-direction: column;
        gap: 30px;
    }
    
    .faq-content {
        padding: 0 15px;
    }
}

@media (max-width: 768px) {
    .headerCon {
        flex-direction: column;
        height: auto;
        padding: 20px 0;
    }
    
    .headerCon .headerNav .headerNavItem {
        padding: 0 20px;
        font-size: 16px;
    }
    
    .meaning-section {
        flex-direction: column;
        gap: 30px;
    }
    
    .meaning-img, .meaning-text {
        max-width: 100%;
    }
    
    .meaning-text .header-text {
        text-align: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .feature-item {
        flex-direction: column;
        height: auto;
    }
    
    .feature-img {
        width: 100%;
        height: 200px;
    }
    
    .feature-content {
        padding: 20px;
    }
    
    .unique-content {
        gap: 20px;
    }
    
    .unique-right {
        width: 100%;
    }
    
    .hexagon-img {
        width: 250px;
        height: 250px;
    }
    
    .hexagon-image {
        width: 250px;
        height: 180px;
    }
    
    .review-item {
        width: 90%;
        padding: 30px 20px;
    }
    
    .faq-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .faq-left, .faq-right {
        width: 100%;
    }
    
    .faq-center {
        width: 100%;
        order: -1;
    }
    
    .header-title {
        font-size: 28px;
    }
    
    .header-samll-title {
        font-size: 22px;
    }
    
    .worry {
        margin: 20px 0 30px;
    }
    
    .student-works {
        margin: 60px 0;
    }
    
    .parent-reviews {
        margin: 60px 0;
    }
    
    .faq {
        margin: 60px 0;
    }
}

@media (max-width: 480px) {
    .headerCon .headerNav .headerNavItem {
        padding: 0 10px;
        font-size: 14px;
    }
    
    .advantage-img-left, .advantage-img-right {
        width: 80%;
    }
    
    .advantage-content {
        width: 90%;
    }
    
    .feature-img {
        height: 150px;
    }
    
    .hexagon-img {
        width: 200px;
        height: 200px;
    }
    
    .hexagon-image {
        width: 200px;
        height: 140px;
    }
    
    .review-avatar {
        width: 80px;
        height: 80px;
    }
    
    .header-title {
        font-size: 24px;
    }
    
    .header-samll-title {
        font-size: 18px;
    }
    
    .advantage-title {
        font-size: 18px;
    }
    
    .advantage-text {
        font-size: 14px;
    }
}