/* --- 学生专区页面特定样式 --- */

/* 学生服务介绍 */
.student-intro {
    padding: 80px 0;
    background-color: var(--primary-bg);
}

.intro-content {
    display: flex;
    align-items: center;
    gap: 4rem;
    margin-top: 3rem;
}

.intro-text {
    flex: 1;
}

.intro-text h2 {
    margin-bottom: 1.5rem;
    color: var(--accent-color);
}

.intro-text p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.intro-image {
    flex: 1;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px -15px var(--shadow-color);
    transition: all 0.3s ease;
}

.intro-image:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 30px -15px var(--shadow-color);
}

.intro-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

.student-benefits {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    margin-top: 2rem;
}

.benefit {
    flex: 1;
    min-width: 200px;
    background-color: var(--secondary-bg);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 10px 30px -15px var(--shadow-color);
    transition: all 0.3s ease;
}

.benefit:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px -15px var(--shadow-color);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(100, 255, 218, 0.1);
    border-radius: 50%;
}

.benefit-icon img {
    width: 30px;
    height: 30px;
}

.benefit h3 {
    color: var(--text-primary);
    margin-bottom: 0.8rem;
    font-size: 1.2rem;
}

.benefit p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 服务流程时间线 */
.service-timeline {
    padding: 100px 0;
    background-color: var(--secondary-bg);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 3rem auto 0;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background-color: var(--divider-color);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    width: 50%;
    padding-right: 40px;
}

.timeline-item:nth-child(even) {
    margin-left: 50%;
    padding-right: 0;
    padding-left: 40px;
}

.timeline-dot {
    position: absolute;
    top: 10px;
    right: -10px;
    width: 20px;
    height: 20px;
    background-color: var(--accent-color);
    border-radius: 50%;
    z-index: 2;
}

.timeline-item:nth-child(even) .timeline-dot {
    right: auto;
    left: -10px;
}

.timeline-content {
    background-color: var(--primary-bg);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 10px 30px -15px var(--shadow-color);
    transition: all 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px -15px var(--shadow-color);
}

.timeline-content h3 {
    color: var(--accent-color);
    margin-bottom: 0.8rem;
}

.timeline-content p {
    color: var(--text-secondary);
}

/* 成功案例 */
.success-cases {
    padding: 100px 0;
    background-color: var(--primary-bg);
    text-align: center;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.case-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 30px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6, #ec4899);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.case-card:hover::before {
    transform: scaleX(1);
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(59, 130, 246, 0.3);
}

.case-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.case-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #ffffff;
}

.case-badge {
    padding: 4px 12px;
    background: rgba(236, 72, 153, 0.1);
    border: 1px solid rgba(236, 72, 153, 0.3);
    border-radius: 20px;
    color: #ec4899;
    font-size: 12px;
    font-weight: 500;
}

.case-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 8px;
}

.case-subtitle {
    color: #94a3b8;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.case-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.case-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: #3b82f6;
    margin-bottom: 12px;
}

.case-features {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 20px;
    flex-grow: 1;
}

.case-result {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 12px;
    color: #10b981;
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: auto;
}

.case-result i {
    font-size: 14px;
}

/* FAQ部分 */
.faq-section {
    padding: 100px 0;
    background-color: var(--secondary-bg);
}

.faq-list {
    max-width: 800px;
    margin: 3rem auto 0;
}

.faq-item {
    margin-bottom: 1.5rem;
    border-radius: 8px;
    overflow: hidden;
    background-color: var(--primary-bg);
    box-shadow: 0 5px 15px -5px var(--shadow-color);
}

.faq-question {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background-color: rgba(100, 255, 218, 0.05);
}

.faq-question h3 {
    margin: 0;
    font-size: 1.2rem;
    color: var(--text-primary);
}

.toggle-icon {
    color: var(--accent-color);
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.faq-item.active .toggle-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 1.5rem 1.5rem;
    max-height: 500px;
}

.faq-answer p {
    color: var(--text-secondary);
}

/* 联系CTA */
.contact-cta {
    padding: 80px 0;
    text-align: center;
    background-color: var(--primary-bg);
    position: relative;
    overflow: hidden;
}

.contact-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--secondary-bg), transparent);
    opacity: 0.5;
    z-index: 1;
}

.contact-cta .container {
    position: relative;
    z-index: 2;
}

.contact-cta h2 {
    color: var(--accent-color);
}

.contact-cta p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 1rem auto;
}

/* 动画效果 */
.intro-content, .timeline-item, .case-card, .faq-item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.intro-content.visible, .timeline-item.visible, .case-card.visible, .faq-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-item:nth-child(1) { transition-delay: 0.1s; }
.timeline-item:nth-child(2) { transition-delay: 0.3s; }
.timeline-item:nth-child(3) { transition-delay: 0.5s; }
.timeline-item:nth-child(4) { transition-delay: 0.7s; }
.timeline-item:nth-child(5) { transition-delay: 0.9s; }

.case-card:nth-child(1) { transition-delay: 0.1s; }
.case-card:nth-child(2) { transition-delay: 0.2s; }
.case-card:nth-child(3) { transition-delay: 0.3s; }
.case-card:nth-child(4) { transition-delay: 0.4s; }

.faq-item:nth-child(1) { transition-delay: 0.1s; }
.faq-item:nth-child(2) { transition-delay: 0.2s; }
.faq-item:nth-child(3) { transition-delay: 0.3s; }
.faq-item:nth-child(4) { transition-delay: 0.4s; }

/* 学生专区页面样式 */

/* 学生服务概览区域 */
.student-overview {
    padding: 80px 0;
    background: linear-gradient(135deg, #0f1419 0%, #1a2332 100%);
    padding-top: 120px; /* 为固定导航栏留出空间 */
}

.overview-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 50px;
}

.overview-description {
    font-size: 1.1rem;
    color: #cbd5e1;
    line-height: 1.8;
    margin-bottom: 24px;
}

.overview-visual {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.overview-image {
    position: relative;
    width: 100%;
    height: 100%;
}

.image-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-element {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    animation: float 6s ease-in-out infinite;
}

.floating-element:hover {
    transform: translateY(-10px) scale(1.05);
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.4);
}

.floating-element i {
    font-size: 24px;
    color: #3b82f6;
}

.floating-element span {
    font-size: 14px;
    color: #ffffff;
    font-weight: 500;
    text-align: center;
}

.element-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.element-2 {
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.element-3 {
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

/* 学生服务优势区域 */
.student-benefits {
    padding: 80px 0;
    background: linear-gradient(135deg, #1a2332 0%, #0f1419 100%);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.benefit-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6, #ec4899);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.benefit-card:hover::before {
    transform: scaleX(1);
}

.benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(59, 130, 246, 0.3);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: #ffffff;
    position: relative;
}

.benefit-icon::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6, #ec4899);
    border-radius: 22px;
    z-index: -1;
    opacity: 0.5;
}

.benefit-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 16px;
}

.benefit-card p {
    color: #cbd5e1;
    line-height: 1.6;
    margin-bottom: 24px;
}

.benefit-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.feature-tag {
    padding: 4px 12px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 20px;
    color: #3b82f6;
    font-size: 12px;
    font-weight: 500;
}

/* 服务流程时间线区域 */
.service-timeline {
    padding: 80px 0;
    background: linear-gradient(135deg, #0f1419 0%, #1a2332 100%);
}

.timeline {
    position: relative;
    margin-top: 60px;
    padding-left: 50px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 25px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, #3b82f6, #8b5cf6, #ec4899);
}

.timeline-item {
    position: relative;
    margin-bottom: 60px;
    padding-left: 50px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-icon {
    position: absolute;
    left: -25px;
    top: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #ffffff;
    z-index: 2;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

.timeline-content {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 30px;
    backdrop-filter: blur(10px);
    position: relative;
    transition: all 0.3s ease;
}

.timeline-content:hover {
    transform: translateX(10px);
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.timeline-number {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, #ec4899, #8b5cf6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    color: #ffffff;
}

.timeline-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 12px;
}

.timeline-content p {
    color: #cbd5e1;
    line-height: 1.6;
    margin: 0;
}

/* 成功案例区域 */
.success-cases {
    padding: 80px 0;
    background: linear-gradient(135deg, #1a2332 0%, #0f1419 100%);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.case-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 30px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6, #ec4899);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.case-card:hover::before {
    transform: scaleX(1);
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(59, 130, 246, 0.3);
}

.case-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.case-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #ffffff;
}

.case-badge {
    padding: 4px 12px;
    background: rgba(236, 72, 153, 0.1);
    border: 1px solid rgba(236, 72, 153, 0.3);
    border-radius: 20px;
    color: #ec4899;
    font-size: 12px;
    font-weight: 500;
}

.case-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 8px;
}

.case-subtitle {
    color: #94a3b8;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.case-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.case-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: #3b82f6;
    margin-bottom: 12px;
}

.case-features {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 20px;
    flex-grow: 1;
}

.case-result {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 12px;
    color: #10b981;
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: auto;
}

.case-result i {
    font-size: 14px;
}

/* 常见问题区域 */
.faq-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #0f1419 0%, #1a2332 100%);
}

.faq-grid {
    display: grid;
    gap: 20px;
    margin-top: 50px;
}

.faq-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.faq-item:hover {
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.faq-question {
    padding: 24px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: rgba(59, 130, 246, 0.1);
}

.faq-question h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #ffffff;
    margin: 0;
}

.faq-question i {
    color: #3b82f6;
    font-size: 16px;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 30px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 30px 24px;
    max-height: 200px;
}

.faq-answer p {
    color: #cbd5e1;
    line-height: 1.6;
    margin: 0;
}

/* 联系咨询区域 */
.contact-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #1a2332 0%, #0f1419 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 50px;
    backdrop-filter: blur(10px);
}

.contact-text h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 16px;
}

.contact-text p {
    color: #cbd5e1;
    line-height: 1.6;
    margin-bottom: 30px;
}

.contact-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-feature {
    display: flex;
    align-items: center;
    gap: 12px;
}

.contact-feature i {
    color: #10b981;
    font-size: 18px;
}

.contact-feature span {
    color: #ffffff;
    font-weight: 500;
}

.contact-actions {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.cta-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 32px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.cta-button.primary {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: #ffffff;
}

.cta-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
}

.cta-button.secondary {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
}

.cta-button.secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .overview-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .overview-visual {
        height: 300px;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 30px;
    }
    
    .timeline {
        padding-left: 30px;
    }
    
    .timeline-item {
        padding-left: 30px;
    }
    
    .timeline-icon {
        left: -15px;
        width: 30px;
        height: 30px;
        font-size: 14px;
    }
    
    .timeline::before {
        left: 15px;
    }
}

@media (max-width: 480px) {
    .overview-visual {
        height: 250px;
    }
    
    .floating-element {
        padding: 15px;
    }
    
    .floating-element i {
        font-size: 20px;
    }
    
    .floating-element span {
        font-size: 12px;
    }
    
    .benefit-card,
    .case-card {
        padding: 20px;
    }
    
    .timeline-content {
        padding: 20px;
    }
    
    .contact-content {
        padding: 20px;
    }
    
    .contact-text h2 {
        font-size: 1.5rem;
    }
}

/* 动画效果 */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* 浮动元素动画 */
.floating-element {
    animation: float 6s ease-in-out infinite;
}

.element-1 { animation-delay: 0s; }
.element-2 { animation-delay: 2s; }
.element-3 { animation-delay: 4s; }

/* 时间线动画 */
.timeline-item {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.8s ease;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateX(0);
}

/* FAQ动画 */
.faq-item {
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.6s ease;
}

.faq-item.visible {
    transform: translateY(0);
    opacity: 1;
}

/* 卡片悬停效果增强 */
.benefit-card:hover .benefit-icon,
.case-card:hover .case-icon {
    transform: rotate(360deg) scale(1.1);
    transition: all 0.5s ease;
}

/* 时间线图标悬停效果 */
.timeline-icon {
    transition: all 0.3s ease;
}

.timeline-item:hover .timeline-icon {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(59, 130, 246, 0.4);
}