/* 学术申诉标题区域 */
.academic-appeal-section {
    position: relative;
    padding: 80px 0;
    text-align: center;
    overflow: hidden;
}

.academic-appeal-bg {
    font-family: MiSans;
    font-size: 90px;
    font-weight: 900;
    color: #f0f0f0;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    letter-spacing: 10px;
    width: 100%;
}

.academic-appeal-title {
    font-family: MiSans;
    font-size: 48px;
    font-weight: 700;
    color: #333;
    position: relative;
    z-index: 2;
    margin-top: 40px;
}

/* 学术服务径向布局容器 */
.academic-services-container {
    position: relative;
    width: 100%;
    height: 800px;
    margin: 0 auto;
    padding: 60px 0;
}

/* 中心元素样式 */
.academic-center {
    width: 650px;
    height: 650px;
    margin: 0 auto;
    z-index: 10;
}

.center-icon {
    width: 100%;
    height: 100%;
}

.academic-center img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.center-text {
    display: none;
}

/* 周围项目样式 */
.academic-item {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.8;
    transition: opacity 0.3s ease, transform 0.3s ease;
    cursor: pointer;
    z-index: 5;
    width: 400px;
    height: 112px;
}

.academic-item-11,.academic-item-9,.academic-item-1{
    width: 300px;
    height: 84px;
}

.academic-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.academic-item:hover {
    opacity: 1;
    transform: scale(1.1);
    z-index: 10;
}

/* 浮动动画 */
@keyframes floatRandom {
    0%, 100% {
        transform: translateY(0px) translateX(0px);
    }
    25% {
        transform: translateY(-10px) translateX(8px);
    }
    50% {
        transform: translateY(-5px) translateX(-3px);
    }
    75% {
        transform: translateY(-12px) translateX(-6px);
    }
}

/* 每个item的固定位置 - 可以自行调整 */
.academic-item-1 {
    top: 35%;
    left: 10%;
}

.academic-item-2 {
    top: 6%;
    left: 50%;
}

.academic-item-3 {
    top: 20%;
    left: 22%;
}

.academic-item-4 {
    top: 22%;
    left: 58%;
}

.academic-item-5 {
    top: 47%;
    left: 20%;
}

.academic-item-6 {
    top: 47%;
    left: 60%;
}

.academic-item-7 {
    top: 68%;
    left: 17%;
}

.academic-item-8 {
    top: 81%;
    left: 35%;
}

.academic-item-9 {
    top: 77%;
    left: 55%;
}

.academic-item-10 {
    top: 60%;
    left: 70%;
}

.academic-item-11 {
    top: 37%;
    left: 71%;
}
.academic-item-12 {
    top: 2%;
    left: 16%;
}
.academic-item-13 {
   
    top: 10%;
    left: 78%;
}

/* 产品服务流程样式 */
.appeal-service-process {
    background-image: url('../img/appealService/indepent-advance-img.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 80px 0;
    position: relative;
}

.process-header {
    text-align: center;
    margin-bottom: 60px;
}

.process-title {
    font-family: MiSans;
    font-size: 48px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.process-subtitle {
    font-family: MiSans;
    font-size: 18px;
    font-weight: 400;
    color: #666;
    margin: 0;
}

.process-container {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 30px;
    row-gap: 50px;
}

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.step-node {
    width: 325px;
    height: 325px;
    border-radius: 50%;
    background: #ffffff;
    border: 2px solid #e0e0e0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 15px;
    position: relative;
    z-index: 2;
}
 @media screen and (max-width: 1600px) {
    .step-node {
        width: 250px;
        height: 250px;
    }
    
   
}
.step-icon {
    width: 55px;
    height: 55px;
    object-fit: contain;
    transition: all 0.3s ease;
    display: block;
}

/* 悬浮时切换图标 - 直接在img标签上使用content */
/* 每个步骤悬浮时显示不同的激活图标 */
.process-step-1:hover .step-icon {
    content: url('../img/appealService/process-icon-active-1.png');
}

.process-step-2:hover .step-icon {
    content: url('../img/appealService/process-icon-active-2.png');
}

.process-step-3:hover .step-icon {
    content: url('../img/appealService/process-icon-active-3.png');
}

.process-step-4:hover .step-icon {
    content: url('../img/appealService/process-icon-active-4.png');
}

.process-step-5:hover .step-icon {
    content: url('../img/appealService/process-icon-active-5.png');
}

.process-step-6:hover .step-icon {
    content: url('../img/appealService/process-icon-active-6.png');
}

.process-step-7:hover .step-icon {
    content: url('../img/appealService/process-icon-active-7.png');
}

.process-step-8:hover .step-icon {
    content: url('../img/appealService/process-icon-active-8.png');
}
.step-number {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 0;
    font-family: MiSans;
    font-family: MiSans;
    font-size: 160px;
    font-weight: 900;
    line-height: normal;
    text-align: center;
    letter-spacing: 0em;
    
    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #4F4D4D;
    opacity: 0.1;
}

.step-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.step-title {
    font-family: MiSans;
    font-size: 22px;
    font-weight: 600;
    line-height: normal;
    text-align: center;
    letter-spacing: 0em;
    
    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #4F4D4D;
    transition: color 0.3s ease;
}

.step-description {
    margin-top: 12px;

    font-family: MiSans;
    font-size: 14px;
    font-weight: 500;
    line-height: normal;
    text-align: center;
    letter-spacing: 0em;
    
    font-variation-settings: "opsz" auto;
    color: #3D3D3D;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}
@media screen and (max-width: 1600px) {
    .step-description {
       width: 200px;
    }
}
.step-arrow {
    position: absolute;
    z-index: 1;
}

.step-arrow img {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.arrow-right {
    right: -40px;
    top: 40%;
    transform: translateY(-50%);
}

.arrow-down {
    width: 48px;
    height: 48px;

    bottom: -60px;
    left: 50%;
    transform: translateX(-50%);
}

.arrow-left {
    left: -40px;
    top: 40%;
    transform: translateY(-50%);
}



/* 各个步骤的位置 */
.process-step-1 { grid-column: 1; grid-row: 1; }
.process-step-2 { grid-column: 2; grid-row: 1; }
.process-step-3 { grid-column: 3; grid-row: 1; }
.process-step-4 { grid-column: 4; grid-row: 1; }
.process-step-5 { grid-column: 4; grid-row: 2; }
.process-step-6 { grid-column: 3; grid-row: 2; }
.process-step-7 { grid-column: 2; grid-row: 2; }
.process-step-8 { grid-column: 1; grid-row: 2; }


.process-step-4{
    margin-bottom: 50px;
}
/* 确保下箭头在网格中正确显示 */
.process-step-4 .step-arrow {
    z-index: 10;
}

/* 最后一个步骤不显示箭头 */
.process-step-8 .step-arrow {
    display: none;
}

/* 鼠标悬浮效果 */
.process-step:hover .step-description {
    opacity: 1;
    max-height: 100px;
}

.process-step:hover .step-title {
    color: #00C8FF;
}

.process-step:hover .step-content {
    transform: translate(-50%, -60%);
}
 
.process-step:hover .step-number {
    color: #00C8FF;
    opacity: 0.1;
}


.appeal-service-banner{
    width: 100%;
}

/* 挑战卡片容器样式 */
.challenge-cards-container {
    
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin: 0 auto;
    gap: 20px;
    padding: 40px 20px 110px;
}

/* 第一行：3个卡片 */
.challenge-cards-container > .challenge-card{
    display: inline-block;
    width: 32%;
    vertical-align: top;
    background: #F2F6FC;

box-shadow: 0px 2px 5px 0px rgba(0, 0, 0, 0.1);
}
.challenge-card-content{
    background-color: #fff;
}
.blue-text{
    color: #00C8FF;
}

.challenge-cards-container > .challenge-card:nth-child(3) {
    margin-right: 0;
}
 
/* 单个挑战卡片样式 */
.challenge-card {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #f0f0f0;
    transition: all 0.3s ease;
}

.challenge-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

/* 挑战标题样式 */
.challenge-title {
    font-family: MiSans;
    font-size: 40px;
    font-weight: bold;
    line-height: normal;
    text-align: center;
    letter-spacing: 0em;
    
    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    /* 不熟悉申诉 */
    color: #4F4D4D;
    /* 流程与规则 */
    text-align: center;
    margin: 0 0 20px 0;
    line-height: 1.4;
}

/* 挑战列表样式 */
.challenge-list {
    background-color: #fff;
    padding: 30px;
    border-radius: 12px;
    box-sizing: border-box;
}

.challenge-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 12px;
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

.challenge-list li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #333;
    font-weight: bold;
}

.challenge-list li:last-child {
    margin-bottom: 0;
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
    .challenge-cards-container {
        flex-direction: column;
        gap: 20px;
        padding: 20px 15px;
    }
    
    .challenge-cards-container > .challenge-card:nth-child(1),
    .challenge-cards-container > .challenge-card:nth-child(2),
    .challenge-cards-container > .challenge-card:nth-child(3),
    .challenge-cards-container > .challenge-card:nth-child(4),
    .challenge-cards-container > .challenge-card:nth-child(5) {
        display: block;
        width: 100%;
        margin-right: 0;
    }
    
    .challenge-card {
        padding: 20px;
    }
    
    .challenge-title {
        font-size: 18px;
    }
}
    font-family: MiSans;
    font-size: 48px;
    font-weight: 900;
    line-height: normal;
    text-align: center;
    letter-spacing: 0em;
    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #FFFFFF;
    
    text-shadow: 0px 2px 3px rgba(0, 0, 0, 0.1);
    text-align: center;
    margin: 0;
    line-height: 1.3;
}

/* 分类节点 */
.category {
    min-height: 200px;
    position: absolute;
    width: 900px;
}

/* 上方：流程&规则 */
.category-top {
    top: -10%;
    left: 50%;
    transform: translateX(-50%);
}

/* 右方：语言&文化 */
.category-right {
    top: 50%;
    right: -10%;
    transform: translateY(-50%);

}

/* 下方：心理压力 */
.category-bottom {
    bottom: -10%;
    left: 50%;
    transform: translateX(-50%);
}

/* 左方：证据&逻辑 */
.category-left {
    top: 50%;
    left: 0%;
    transform: translateY(-50%);
}

.category-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    
}
.ds-flex{
    display: flex;
    align-items: center;
}
.category-title {
    font-family: MiSans;
    font-size: 40px;
    font-weight: bold;
    line-height: normal;
    text-align: center;
    letter-spacing: 0em;
    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #4F4D4D;
    animation: titleFloat 4s ease-in-out infinite;
    text-shadow: 0px 2px 4px rgba(0, 0, 0, 0.1);
}

.category-top .category-title { position: absolute;top: 80%;z-index: 100; }
.category-right .category-title { position: absolute;right: 80%;z-index: 100; }
.category-bottom .category-title { position: absolute;top: 0%;z-index: 100; }
.category-left .category-title {  position: absolute;left: 60%;z-index: 100; }

@keyframes titleFloat {
    0%, 100% {
        transform: translateY(0px) scale(1);
        opacity: 0.8;
    }
    33% {
        transform: translateY(-6px) scale(1.02);
        opacity: 1;
    }
    66% {
        transform: translateY(-3px) scale(1.01);
        opacity: 0.9;
    }
}

.category-items {
    list-style: none;
    padding: 0;
    margin: 0;
    position: relative;
    width: 800px;
    height: 300px;
    overflow: hidden;
}

.category-items li {
    font-family: MiSans;
    font-size: 20px;
    font-weight: 600;
    line-height: normal;
    letter-spacing: 0em;
    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #4F4D4D;
    position: absolute;
    line-height: 1.4;
    animation: marqueeFlowUp 12s linear infinite;
    opacity: 0;
    white-space: nowrap;
    background: rgba(255, 255, 255, 0.9);
    padding: 8px 16px;
    border-radius: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    will-change: transform, opacity;
}

.category-items li:hover {
    opacity: 1 !important;
    animation-play-state: paused;
}

/* 为每个列表项设置随机分散的左侧位置和动画延迟 */
.category-items li:nth-child(1) { left: 3%; animation-delay: 0s; }
.category-items li:nth-child(2) { left: 18%; animation-delay: -2.5s; }
.category-items li:nth-child(3) { left: 32%; animation-delay: -4.8s; }
.category-items li:nth-child(4) { left: 48%; animation-delay: -6.2s; }
.category-items li:nth-child(5) { left: 62%; animation-delay: -8.5s; }
.category-items li:nth-child(6) { left: 76%; animation-delay: -10.3s; }
.category-items li:nth-child(7) { left: 10%; animation-delay: -3.2s; }
.category-items li:nth-child(8) { left: 85%; animation-delay: -5.7s; }

/* 上方分类：更随机的分布 */
.category-top .category-items li:nth-child(1) { left: 5%; }
.category-top .category-items li:nth-child(2) { left: 20%; }
.category-top .category-items li:nth-child(3) { left: 35%; }
.category-top .category-items li:nth-child(4) { left: 52%; }
.category-top .category-items li:nth-child(5) { left: 68%; }
.category-top .category-items li:nth-child(6) { left: 82%; }
.category-top .category-items li:nth-child(7) { left: 12%; }

/* 右方分类：更随机的分布 */
.category-right .category-items li:nth-child(1) { left: 8%; }
.category-right .category-items li:nth-child(2) { left: 22%; }
.category-right .category-items li:nth-child(3) { left: 38%; }
.category-right .category-items li:nth-child(4) { left: 54%; }
.category-right .category-items li:nth-child(5) { left: 70%; }
.category-right .category-items li:nth-child(6) { left: 85%; }
.category-right .category-items li:nth-child(7) { left: 15%; }
.category-right .category-items li:nth-child(8) { left: 45%; }

/* 下方分类：更随机的分布 */
.category-bottom .category-items li:nth-child(1) { left: 10%; }
.category-bottom .category-items li:nth-child(2) { left: 28%; }
.category-bottom .category-items li:nth-child(3) { left: 45%; }
.category-bottom .category-items li:nth-child(4) { left: 63%; }

/* 左方分类：更随机的分布，靠左避免与标题重叠 */
.category-left .category-items li:nth-child(1) { left: 2%; }
.category-left .category-items li:nth-child(2) { left: 8%; }
.category-left .category-items li:nth-child(3) { left: 15%; }
.category-left .category-items li:nth-child(4) { left: 22%; }
.category-left .category-items li:nth-child(5) { left: 30%; }
.category-left .category-items li:nth-child(6) { left: 38%; }
.category-left .category-items li:nth-child(7) { left: 5%; }
.category-left .category-items li:nth-child(8) { left: 12%; }

/* 右方、左方、下方分类使用相同的走马灯效果，通过动画延迟形成错落感 */

.category-items li::before {
    display: none;
}

/* 走马灯向上浮动动画 */
@keyframes marqueeFlowUp {
    0% {
        transform: translateY(350px) scale(0.8);
        opacity: 0;
        filter: blur(5px);
    }
    10% {
        opacity: 0.8;
        transform: translateY(280px) scale(0.9);
        filter: blur(2px);
    }
    20% {
        opacity: 1;
        transform: translateY(210px) scale(1);
        filter: blur(0px);
    }
    40% {
        opacity: 1;
        transform: translateY(140px) scale(1);
        filter: blur(0px);
    }
    60% {
        opacity: 1;
        transform: translateY(70px) scale(1);
        filter: blur(0px);
    }
    80% {
        opacity: 0.8;
        transform: translateY(0px) scale(0.95);
        filter: blur(2px);
    }
    90% {
        opacity: 0.4;
        transform: translateY(-70px) scale(0.9);
        filter: blur(4px);
    }
    100% {
        transform: translateY(-140px) scale(0.8);
        opacity: 0;
        filter: blur(8px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.7;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

/* 独家产品优势样式 */
.appeal-indepent-advanced {
    padding: 60px 0;
    background-image: url('../img/appealService/indepent-advance-img.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.advanced-header {
    text-align: center;
    margin-bottom: 60px;
}

.advanced-title {
    font-family: MiSans;
    font-size: 48px;
    font-weight: 900;
    color: #333;
    margin-bottom: 20px;
    text-shadow: 0px 2px 4px rgba(0, 0, 0, 0.1);
}

.advanced-subtitle {
    font-family: MiSans;
    font-size: 20px;
    color: #666;
    font-weight: 400;
    margin: 0;
}

.advanced-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.advanced-item:hover{
    background-color: #ffffff;
}
.advanced-item:hover .item-image{
    opacity: 0;
}
.advanced-item:hover .item-number{
    color: #E6E6E6;
}
.advanced-item {
    cursor: pointer;
    aspect-ratio: 377 / 300;
    width: 100%;
    padding: 30px;
    position: relative;
    z-index: 10;
    border-radius: 20px;
    overflow: hidden;
    margin: 0 auto;
    transition: all 0.3s ease;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}
.item-content{
    position: relative;
    z-index: 10;
    height: 100%;
    width: 100%;
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    justify-content: space-between;
}
.item-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}


.item-number {
    font-family: MiSans;
    font-size: 96px;
    font-weight: 900;
    line-height: 80px;
    text-align: left;
    letter-spacing: 0em;
    
    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #ffffff;
}

.item-title-desc {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
}

.item-title {
    margin-bottom: 0;
    line-height: 1.3;
    width: 100%;
    text-align: center;
    font-family: MiSans;
    font-size: 36px;
    font-weight: bold;
    line-height: normal;
    letter-spacing: 0em;
    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #00C8FF;
}

.item-description {
    display: none;
    font-family: MiSans;
    font-size: 14px;
    font-weight: 500;
    line-height: 30px;
    letter-spacing: 0em;
    font-variation-settings: "opsz" auto;
    font-feature-settings: "kern" on;
    color: #3D3D3D;
    opacity: 0;
    background: transparent;
    padding: 0;
    position: static;
    transition: opacity 0.3s ease;
    margin-top: 10px;
}

.advanced-item:hover .item-description {
    opacity: 1;
    display: block;
}

.advanced-item:hover .item-content {
    justify-content: flex-start;
}


.item-image:hover img {
    transform: scale(1.05);
}

/* 中大屏笔记本适配 (1441px-1600px) */
@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;
    }
 }