/* 技术合作页面专用样式 */

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, rgba(10, 92, 122, 0.9), rgba(39, 174, 96, 0.8)), url('../images/yingxiong/yx13.jpg') no-repeat center center/cover;
}

/* 页面整体布局 */
.tech-cooperation-page {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

/* 通用节样式 */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a365d;
    text-align: center;
    margin-bottom: 1rem;
    position: relative;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #4a5568;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    line-height: 1.8;
}

/* 技术展示区域 */
.tech-section {
    padding: 5rem 0;
    background: white;
}

.tech-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.tech-card {
    background: white;
    border-radius: 15px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.tech-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.tech-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.tech-icon i {
    font-size: 2rem;
    color: white;
}

.tech-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 1rem;
}

.tech-description {
    color: #4a5568;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.tech-features {
    margin-bottom: 0.5rem;
}

.tech-feature {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.tech-feature i {
    color: #48bb78;
    margin-right: 0.5rem;
}

.tech-feature-text {
    color: #2d3748;
    font-size: 0.9rem;
}

/* 专利展示区 */
.patents-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, rgba(10, 92, 122, 0.85) 0%, rgba(39, 174, 96, 0.75) 100%), 
                url('../images/yingxiong/yx04.jpg') no-repeat center center/cover;
    color: white;
    position: relative;
    background-attachment: scroll;
}

.patents-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 92, 122, 0.3) 0%, rgba(39, 174, 96, 0.4) 100%);
    z-index: 1;
}

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

.patents-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.patents-section .section-title {
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.patents-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.patent-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.patent-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
}

.patent-card:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.patent-card:hover::before {
    left: 100%;
}

.patent-card.show {
    animation: slideInUp 0.6s ease-out;
}

.patent-number {
    font-size: 3rem;
    font-weight: 700;
    color: #ffd700;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.patent-card:hover .patent-number {
    transform: scale(1.1);
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
}

.patent-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
}

.patent-card:hover .patent-title {
    color: #f0f0f0;
    transform: translateY(-2px);
}

.patent-description {
    opacity: 0.95;
    line-height: 1.6;
    color: #e8e8e8;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.patent-card:hover .patent-description {
    opacity: 1;
    color: #ffffff;
    transform: translateY(-1px);
}

/* 合作模式区域 */
.advantages-section {
    padding: 5rem 0;
    background: #f7fafc;
}

.advantages-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.advantage-card {
    background: white;
    border-radius: 15px;
    padding: 2.5rem;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.advantage-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.advantage-icon i {
    font-size: 1.8rem;
    color: white;
}

.advantage-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 1rem;
}

.advantage-description {
    color: #4a5568;
    line-height: 1.6;
}

/* 动画效果 */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式样式 */
@media (max-width: 992px) {
    .tech-grid,
    .patents-grid,
    .advantages-grid,
    .applications-grid,
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .tech-grid,
    .patents-grid,
    .advantages-grid,
    .applications-grid,
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .tech-grid,
    .patents-grid,
    .advantages-grid,
    .applications-grid,
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* 合作流程区域 */
.process-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, rgba(10, 92, 122, 0.85) 0%, rgba(39, 174, 96, 0.75) 100%), 
                url('../images/yingxiong/yx05.jpg') no-repeat center center/cover;
    color: white;
    position: relative;
    background-attachment: scroll;
}

.process-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 92, 122, 0.3) 0%, rgba(39, 174, 96, 0.4) 100%);
    z-index: 1;
}

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

.process-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

.process-steps {
    position: relative;
    display: flex;
    justify-content: space-between;
    margin-top: 4rem;
    flex-wrap: wrap;
}

.process-line {
    position: absolute;
    top: 30px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, #27AE60, #0A5C7A);
    z-index: 1;
}

.process-step {
    flex: 1;
    min-width: 200px;
    text-align: center;
    position: relative;
    z-index: 2;
    margin: 1rem;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #27AE60 0%, #0A5C7A 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    margin: 0 auto 1rem;
}

.process-section .section-title {
    color: #ffffff;
    text-shadow: 0 3px 6px rgba(0, 0, 0, 0.7), 0 1px 2px rgba(0, 0, 0, 0.9);
    font-weight: 700;
    letter-spacing: 0.5px;
}

.process-section .section-subtitle {
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6), 0 1px 2px rgba(0, 0, 0, 0.8);
    font-weight: 500;
    line-height: 1.7;
}

.step-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6), 0 1px 2px rgba(0, 0, 0, 0.8);
    margin-bottom: 0.5rem;
    letter-spacing: 0.3px;
}

.step-description {
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    line-height: 1.6;
    font-size: 0.95rem;
    font-weight: 400;
}

/* 应用领域区域 */
.applications-section {
    padding: 5rem 0;
    background: #f7fafc;
}

.applications-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.application-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.application-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.application-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #0A5C7A 0%, #0A5C7A 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.application-icon i {
    font-size: 1.8rem;
    color: white;
}

.application-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 1rem;
}

.application-description {
    color: #4a5568;
    line-height: 1.6;
}

/* 合作案例区域 */
.cases-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 50%, #f8f9fa 100%);
    position: relative;
    overflow: hidden;
}

.cases-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.9) 0%, 
        rgba(255, 255, 255, 0.8) 100%),
        radial-gradient(circle at 30% 40%, rgba(10, 92, 122, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 70% 60%, rgba(39, 174, 96, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.cases-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
    align-items: center;
    justify-items: center;
}

.case-card {
    background: none;
    border: none;
    border-radius: 0;
    padding: 0;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
    cursor: pointer;
    box-shadow: none;
}

.case-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: none;
}

.case-card.show {
    opacity: 1;
    transform: translateY(0);
}

.case-card img {
    width: 100%;
    height: auto;
    max-width: 180px;
    margin: 0 auto;
    display: block;
    filter: grayscale(0.2);
    transition: all 0.3s ease;
    object-fit: contain;
}

.case-card:hover img {
    filter: grayscale(0);
    transform: scale(1.1);
}

@media (max-width: 768px) {
    .cases-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 2rem;
    }
    
    .case-card img {
        max-width: 150px;
    }
}

@media (max-width: 480px) {
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .case-card img {
        max-width: 120px;
    }
}

/* 联系区域 */
.contact-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #0A5C7A 0%, #0A5C7A 100%);
    color: white;
}

.contact-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.contact-section .section-title {
    color: white;
    margin-bottom: 1rem;
}

.contact-section .section-subtitle {
    color: #cbd5e0;
    margin-bottom: 3rem;
}

.contact-info {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-item {
    display: flex;
    align-items: center;
    color: #cbd5e0;
}

.contact-item i {
    margin-right: 0.5rem;
    color: #ffd700;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(16, 185, 129, 0.4);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.6);
}

.cta-button i {
    margin-right: 0.5rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .tech-grid,
    .advantages-grid,
    .applications-grid,
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .process-steps {
        flex-direction: column;
        align-items: center;
    }
    
    .process-line {
        display: none;
    }
    
    .process-step {
        margin: 1rem 0;
    }
    
    .contact-info {
        flex-direction: column;
        align-items: center;
    }
    
    .case-card {
        flex-direction: column;
        text-align: center;
    }
    
    .case-icon {
        margin: 0 auto 1rem;
    }
}

/* 超小屏幕设备适配 (480px以下) */
@media (max-width: 480px) {
    /* 英雄区域 */
    .hero {
        height: 45vh;
        margin-top: 60px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 16px;
        padding: 0 20px;
    }
    
    /* 通用样式 */
    .section-title {
        font-size: 24px;
        margin-bottom: 20px;
    }
    
    .section-subtitle {
        font-size: 14px;
        margin-bottom: 25px;
        line-height: 1.6;
    }
    
    /* 技术优势区域 */
    .tech-section {
        padding: 40px 15px;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .tech-card {
        padding: 20px 15px;
        border-radius: 12px;
    }
    
    .tech-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 15px;
    }
    
    .tech-icon i {
        font-size: 24px;
    }
    
    .tech-title {
        font-size: 18px;
        margin-bottom: 12px;
    }
    
    .tech-description {
        font-size: 14px;
        line-height: 1.5;
        margin-bottom: 15px;
    }
    
    .tech-feature-text {
        font-size: 12px;
    }
    
    /* 专利技术展示 */
    .patents-section {
        padding: 40px 15px;
    }
    
    .patents-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .patent-card {
        padding: 20px 15px;
        border-radius: 12px;
    }
    
    .patent-number {
        font-size: 36px;
        margin-bottom: 10px;
    }
    
    .patent-title {
        font-size: 16px;
        margin-bottom: 8px;
    }
    
    .patent-description {
        font-size: 13px;
        line-height: 1.4;
    }
    
    /* 合作模式区域 */
    .advantages-section {
        padding: 40px 15px;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .advantage-card {
        padding: 20px 15px;
        border-radius: 12px;
    }
    
    .advantage-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 15px;
    }
    
    .advantage-icon i {
        font-size: 20px;
    }
    
    .advantage-title {
        font-size: 16px;
        margin-bottom: 10px;
    }
    
    .advantage-description {
        font-size: 13px;
        line-height: 1.4;
    }
    
    /* 合作流程区域 */
    .process-section {
        padding: 40px 15px;
    }
    
    .process-step {
        margin: 15px 0;
    }
    
    .step-number {
        width: 45px;
        height: 45px;
        font-size: 18px;
        margin-bottom: 10px;
    }
    
    .step-title {
        font-size: 14px;
        margin-bottom: 6px;
    }
    
    .step-description {
        font-size: 12px;
        line-height: 1.4;
    }
    
    /* 应用领域区域 */
    .applications-section {
        padding: 40px 15px;
    }
    
    .applications-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .application-card {
        padding: 20px 15px;
        border-radius: 12px;
    }
    
    .application-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 15px;
    }
    
    .application-icon i {
        font-size: 20px;
    }
    
    .application-title {
        font-size: 16px;
        margin-bottom: 10px;
    }
    
    .application-description {
        font-size: 13px;
        line-height: 1.4;
    }
    
    /* 合作案例区域 */
    .cases-section {
        padding: 40px 15px;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .case-card {
        padding: 20px 15px;
        border-radius: 12px;
    }
    
    .case-icon {
        width: 40px;
        height: 40px;
        margin-right: 15px;
    }
    
    .case-icon i {
        font-size: 18px;
    }
    
    .case-title {
        font-size: 16px;
        margin-bottom: 8px;
    }
    
    .case-description {
        font-size: 13px;
        line-height: 1.4;
    }
    
    /* 联系区域 */
    .contact-section {
        padding: 40px 15px 60px;
    }
    
    .contact-info {
        gap: 15px;
        margin-bottom: 25px;
    }
    
    .contact-item {
        font-size: 14px;
    }
    
    .cta-button {
        padding: 12px 24px;
        font-size: 14px;
    }
}