.home-tutor-banner{
    width: 100%;
}

/* ========== 学生需求场景区域样式 ========== */

.student-case-content {
    display: flex;
    padding: 30px 36px 70px;
    box-sizing: border-box;
    margin-top: 60px;
    align-items: flex-start;
    border-radius: 10px;
    opacity: 1;
    background: #FFFFFF;
    box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.3);
}

/* 左侧：学生常见痛点 */
.student-problems {
    flex: 1;
}

.problems-title {
    font-family: YouSheBiaoTiHei;
    font-size: 64px;
    font-weight: normal;
    line-height: normal;
    letter-spacing: 0em;
    
    font-variation-settings: "opsz" auto;
    color: #3D3D3D;
    margin-bottom: 42px;
}

.problems-list {
    position: relative;
    border-radius: 10px;
    opacity: 1;
    padding: 30px 30px 30px 30px;
    /* background: #FBFBFB; */
    height: 600px;
    overflow: hidden;
    margin-right: 30px;
}

/* 上下渐变遮罩效果 - 创造中间清晰，上下模糊的视觉效果 */
.problems-list::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: linear-gradient(180deg, #FBFBFB 0%, rgba(251, 251, 251, 0.8) 30%, rgba(251, 251, 251, 0) 100%);
    pointer-events: none;
    z-index: 10;
}

.problems-list::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: linear-gradient(0deg, #FBFBFB 0%, rgba(251, 251, 251, 0.8) 30%, rgba(251, 251, 251, 0) 100%);
    pointer-events: none;
    z-index: 10;
}

/* 问题滚动轨道 */
.problems-track {
    display: flex;
    flex-direction: column;
    gap: 30px;
    animation: continuousScrollUp 30s linear infinite;
    will-change: transform;
}

.problems-track:hover {
    animation-play-state: paused;
}

/* 问题行容器 - 每行3个问题，固定排列 */
.problem-row {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}

.problem-item {
    display: inline-flex;
    gap: 10px;
    align-items: flex-start;
    background: #FFFFFF;
    padding: 6px 12px 24px 6px;
    box-sizing: border-box;
    border-radius: 10px;
    box-shadow: 0px 2px 5px 0px rgba(0, 0, 0, 0.1);
    width: auto;
    flex-shrink: 0;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.problem-item:hover {
    /* box-shadow: 0px 4px 15px 0px rgba(237, 46, 65, 0.3); */
    transform: translateY(-4px);
}

/* 无缝向上滚动动画 - 滚动50%距离后重置 */
@keyframes continuousScrollUp {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(-50%);
    }
}

.problem-quote {
    font-family: MiSans, 'Microsoft YaHei', sans-serif;
    font-size: 32px;
    font-weight: bold;
    color: #ED2E41;
    line-height: 1;
    flex-shrink: 0;
}

.problem-text {
    font-family: MiSans;
    font-size: 16px;
    font-weight: 400;
    color: #3D3D3D;
    line-height: 1.6;
    padding-top: 5px;
}

.problem-item.light .problem-quote,
.problem-item.light .problem-text {
    opacity: 0.3;
}

/* 右侧：专享服务模块 */
.service-modules {
    flex: 1;
}

/* 模块标题区域 */
.modules-header {
    margin-bottom: 40px;
}

.modules-header-img {
    width: 100%;
    height: auto;
    display: block;
    margin-left: 56px;
}

/* 模块网格 */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    position: relative;
}

/* 模块卡片 */
.module-card {
    background: #FBFBFB;
    border-radius: 12px;
    padding: 30px;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    /* transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1), 
                width 0.6s cubic-bezier(0.34, 1.56, 0.64, 1),
                margin-left 0.6s cubic-bezier(0.34, 1.56, 0.64, 1); */
    position: relative;
    z-index: 1;
    /* 初始状态：在左侧且透明 */
    opacity: 0;
    transform: translateX(-100px);
  
}
 
/* 当卡片进入视口时添加动画 */
.module-card.animate-in {
    animation: slideInFromLeft 0.8s ease-out forwards;
}

/* 从左往右滑入动画 */
@keyframes slideInFromLeft {
    0% {
        opacity: 0;
        transform: translateX(-100px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 为每个卡片添加延迟，形成依次出现的效果 */
.module-card:nth-child(1).animate-in {
    animation-delay: 0.1s;
}
.module-card:nth-child(2).animate-in {
    animation-delay: 0.2s;
}
.module-card:nth-child(3).animate-in {
    animation-delay: 0.3s;
}
.module-card:nth-child(4).animate-in {
    animation-delay: 0.4s;
}
.module-card:nth-child(5).animate-in {
    animation-delay: 0.5s;
}
.module-card:nth-child(6).animate-in {
    animation-delay: 0.6s;
}
.module-card:nth-child(7).animate-in {
    animation-delay: 0.7s;
}
.module-card:nth-child(8).animate-in {
    animation-delay: 0.8s;
}

.module-card:hover {
    background: linear-gradient(135deg, #FF8C00 0%, #FFA500 100%);
    border: none;
    box-shadow: 0 8px 20px rgba(255, 140, 0, 0.4);
    z-index: 100;
    flex-direction: row;
    align-items: stretch;
    padding: 0;
    gap: 30px;

}

/* 奇数卡片（1、3、5、7）悬浮时向右扩展 */
.module-card:nth-child(odd):hover {
    width: calc(200% + 18px);
}

/* 偶数卡片（2、4、6）悬浮时向左扩展 */
.module-card:nth-child(even):hover {
    flex-direction: row-reverse;
    width: calc(200% + 18px);
    margin-left: calc(-100% - 18px);
}

.module-card:hover .module-title {
    color: #FFFFFF;
    flex: 0 0 calc(50% - 30px);
    display: flex;
    align-items: center;
    justify-content: center;
    /* animation: slideTitleFromLeft 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards; */
}

.module-card:hover .module-desc {
    color: #3D3D3D;
    background: #FBFBFB;
    text-align: left;
    flex: 1;
    padding: 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    margin-top: 0;
    
}

/* 奇数卡片：右边圆角 */
.module-card:nth-child(odd):hover .module-desc {
    border-top-right-radius: 12px;
    border-bottom-right-radius: 12px;
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

/* 偶数卡片：左边圆角 */
.module-card:nth-child(even):hover .module-desc {
    border-top-left-radius: 12px;
    border-bottom-left-radius: 12px;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

/* 模块标题 */
.module-title {
    font-family: MiSans, 'Microsoft YaHei', sans-serif;
    font-size: 24px;
    font-weight: 600;
    color: #3D3D3D;
    margin: 0;
    line-height: 1.4;
    /* transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1); */
}

/* 模块描述 */
.module-desc {
    font-family: MiSans;
    font-size: 14px;
    font-weight: 400;
    color: #666666;
    line-height: 1.8;
    margin: 15px 0 0 0;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 默认隐藏描述 */
.module-hidden-desc {
    display: none;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    /* transform: translateX(-20px); */
}

/* 悬浮时显示描述 */
.module-card:hover .module-hidden-desc {
    display: flex;
    opacity: 1;
    max-height: 200px;
    /* transform: translateX(0); */
    animation: slideInDesc 0.5s cubic-bezier(0.4, 0, 0.2, 1) 0.2s forwards;
}

/* 标题从左往右滑入动画 - 带弹性效果 */
@keyframes slideTitleFromLeft {
    0% {
        opacity: 0;
        transform: translateX(-50px);
    }
    60% {
        opacity: 1;
        transform: translateX(10px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 描述文本从左往右淡入动画 */
@keyframes slideInDesc {
    0% {
        opacity: 0;
        transform: translateX(-200px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}


/* ========== 论文辅导流程区域样式 ========== */

.thesis-guide-content {
    margin: 60px auto 0;
    position: relative;
}

/* 流程步骤 */
.guide-step {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-bottom: 40px;
    position: relative;
}

.left-line {
    margin-top: 100px;
    width: 176px;
    height: 97px;
}
.right-line {
    margin-top: 100px;
    width: 176px;
    height: 97px;
}

/* 右对齐步骤 */
.step-right {
    justify-content: flex-end;
}

/* 左对齐步骤 */
.step-left {
    justify-content: flex-start;
}

/* 步骤信息卡片 */
.step-info {
    flex:0 0  949px;
    background: #FFFFFF;
    border-radius: 50px;
    padding:32px 79px;
    border-radius: 120px;
    opacity: 1;
    background: #FFFFFF;
    box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.3);
}

.step-title {
    font-family: MiSans;
    font-size: 36px;
    font-weight: 600;
    line-height: normal;
    letter-spacing: 0.02em;
    
    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #3D3D3D;
    margin-bottom: 14px;
}

.step-desc {
    line-height: 1.8;
    margin: 0;
  
    font-family: MiSans;
    font-size: 24px;
    font-weight: normal;
    line-height: normal;
    letter-spacing: 0.02em;

    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #3D3D3D;
}

/* 步骤数字 */
.step-number {
    font-family: 'Arial', sans-serif;
    font-size: 72px;
    font-weight: bold;
    color: #FF8C00;
    line-height: 1;
    flex-shrink: 0;
}

 


/* ========== 独家产品优势区域样式 ========== */

.thesis-guide-footer {
    display: flex;
    gap: 60px;
    align-items: center;
    margin-top: 80px;
}

/* 左侧内容 */
.footer-left {
    flex: 1;
}

.footer-main-title {
    font-family: MiSans;
    font-size: 64px;
    font-weight: 900;
    line-height: normal;
    letter-spacing: 0.1em;
    
    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #3D3D3D;
    margin-bottom: 20px;
}

.footer-subtitle {
    font-family: MiSans;
    font-size: 36px;
    font-weight: normal;
    line-height: normal;
    letter-spacing: 0em;
    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #3D3D3D;
    margin: 0 0 140px 0;
    line-height: 1.6;
}

/* 优势卡片容器 */
.advantage-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* 优势卡片 */
.advantage-card-footer {
    background: #FFFFFF;
    border: 2px solid #E5E5E5;
    border-radius: 12px;
    padding: 30px 45px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.advantage-card-footer:hover {
    background: linear-gradient(135deg, #FF8C00 0%, #FFA500 100%);
    border: 2px solid transparent;
    box-shadow: 0 8px 20px rgba(255, 140, 0, 0.3);
}

.advantage-card-footer:hover .advantage-card-title,
.advantage-card-footer:hover .advantage-card-desc {
    color: #FFFFFF;
}

/* 特色卡片 - 橙色背景 */
.advantage-card-footer.featured-advantage {
    background: linear-gradient(135deg, #FF8C00 0%, #FFA500 100%);
    border: none;
}

.advantage-card-footer.featured-advantage .advantage-card-title,
.advantage-card-footer.featured-advantage .advantage-card-desc {
    color: #FFFFFF;
}

.advantage-card-title {
    font-family: MiSans;
    font-size: 36px;
    font-weight: 500;
    line-height: normal;
    letter-spacing: 0.02em;
    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #3D3D3D;
    margin: 0 0 15px 0;
    line-height: 1.4;
}

.advantage-card-desc {
    font-family: MiSans;
    font-size: 24px;
    font-weight: normal;
    line-height: normal;
    letter-spacing: 0.02em;
    
    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #3D3D3D;;
    line-height: 1.8;
    margin: 0;
}

/* 右侧图片 */
.footer-right {
    flex: 1;
    margin-left: 160px;
}

.footer-meeting-img {
    width: 100%;
    height: auto;
}


/* ========== 论文辅导卡产品区域样式 ========== */

.thesis-guide-card-content {
    display: flex;
    gap: 30px;
    align-items: flex-end;
    margin-top: 60px;
    position: relative;
}

/* 左侧卡片列表 - 横向排列 */
.card-list {
    flex: 1;
    display: flex;
    align-items: flex-end;
    gap: 20px;
}

/* 辅导卡片 */
.guide-card {
    background: linear-gradient(0deg, #FFF9F7 0%, #FFF9F7 50%);
    border-radius: 16px;
    padding: 25px 9px 33px 23px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    /* transition: all 0.3s ease; */
    flex: 1;
    min-width: 180px;
    position: relative;
}
.guide-card:nth-child(3){
    padding-bottom: 0;
}
.guide-card:nth-child(4){
    padding-bottom: 0;
}
.card-image{
    position: absolute;
    bottom: 0;
    right: 0;
    z-index: 0;
    width: 145px;
    height: 145px;
}
 .card-image-wrapper{
     text-align: right;
     line-height: 0;
 }
 .card-image3{
     width: 144px;
     height: 93px;
     display: block;
     margin-left: auto;
 }
 .card-image4{
     width: 310px;
     height: 217px;
     display: block;
     margin-left: auto;
 }
.text-right{
    text-align: right;
}
/* .guide-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 20px rgba(255, 140, 0, 0.2);
} */

/* 特色卡片 - 带红色下划线 */
.guide-card.featured-card .card-work-amount {
    position: relative;
    padding-bottom: 10px;
}
 
 

/* 卡片主标题 */
.card-main-title {
    text-align: right;
    font-family: MiSans;
    font-size: 60px;
    font-weight: 900;
    line-height: normal;
    letter-spacing: 0.02em;
    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #FF8400;
    opacity: 0.2;
}

/* 工作量标题 */
.card-work-amount {
    margin-top: 10px;
    font-family: MiSans;
    font-size: 48px;
    font-weight: bold;
    line-height: normal;
    letter-spacing: 0.02em;
    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #3D3D3D;
}

/* 卡片描述 */
.card-description {
    font-family: MiSans;
    font-size: 24px;
    font-weight: normal;
    line-height: 40px;
    letter-spacing: 0.02em;
    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #3D3D3D;
    margin-top: 17px;
}

/* 右侧图片 */
.card-image {
    flex: 0 0 40%;
}

.devices-img {
    width: 100%;
    height: auto;
    display: block;
}


/* ========== 产品保障区域样式 ========== */

.product-guarantee-content {
    display: grid;
    padding: 0 160px;
    grid-template-columns: repeat(4, 1fr);
    background: #FFF9F7;
    
}

/* 保障项卡片 */
.guarantee-item {
    background: #FFF9F7;
    padding: 125px 20px;
    text-align: center;
    min-height: 320px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
}

/* 除了最后一个，给每个item右边加虚线 */
.guarantee-item:not(:last-child) {
    border-right: 1px dashed #FF8400;
}

/* 鼠标悬浮时应用橙色渐变样式 */
.guarantee-item:hover {
    background: linear-gradient(135deg, #FF8C00 0%, #FFA500 100%);
    border: none;
}

.guarantee-item:hover .guarantee-item-title,
.guarantee-item:hover .guarantee-item-desc {
    color: #FFFFFF;
}

 

/* 特色保障项 - 橙色背景 */
.guarantee-item.featured-guarantee {
    background: linear-gradient(135deg, #FF8C00 0%, #FFA500 100%);
    border: none;
}

.guarantee-item.featured-guarantee .guarantee-item-title,
.guarantee-item.featured-guarantee .guarantee-item-desc {
    color: #FFFFFF;
}

/* 保障标题 */
.guarantee-item-title {
    font-family: MiSans;
    font-size: 30px;
    font-weight: 500;
    line-height: normal;
    text-align: center;
    letter-spacing: 0.02em;
    
    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #3D3D3D;
    margin-bottom: 63px;
}

/* 保障描述 */
.guarantee-item-desc {
    font-family: MiSans;
    font-size: 24px;
    font-weight: normal;
    line-height: normal;
    text-align: center;
    letter-spacing: 0.02em;

    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #3D3D3D;
}

@media (max-width: 1600px) and (min-width: 1441px) {
    body{
        zoom: 0.80;
    }
     
    /* 通用间距调整 */
    .common-pd {
        padding: 0 100px;
    }
}
 @media (max-width: 1440px) {
    body{
        zoom: 0.75;
    }
    
    /* 通用间距调整 */
    .common-pd {
        padding: 0 100px;
    }
 }