/* ==========================================
   研发创新页面样式 - Research Page Styles
   ========================================== */

/* Hero Section 样式 */
.research-hero {
    position: relative;
    width: 100%;
    height: 600px;
    background-image: url('../images/30001.jpeg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.research-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.research-hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    padding: 0 60px;
    width: 100%;
    text-align: center;
}

.research-hero-title {
    color: #ffffff;
    font-size: 64px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    opacity: 0;
    animation: fadeInUp 1.2s ease forwards;
}

.research-hero-subtitle {
    color: #ffffff;
    font-size: 24px;
    font-weight: 400;
    line-height: 1.6;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    opacity: 0;
    animation: fadeInUp 1.2s ease 0.3s forwards;
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 肿瘤学 Section */
.oncology-section {
    padding: 100px 0;
    background-color: #f8f8f8;
}

.oncology-title {
    font-size: 56px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 30px;
}

.oncology-subtitle {
    font-size: 32px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 24px;
}

.oncology-description {
    font-size: 18px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 60px;
    max-width: 100%;
}

/* 引用块 */
.quote-block {
    display: flex;
    gap: 30px;
    background-color: #ffffff;
    padding: 50px;
    border-radius: 16px;
    margin-bottom: 60px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.quote-icon {
    flex-shrink: 0;
}

.quote-content {
    flex: 1;
}

.quote-text {
    font-size: 24px;
    font-weight: 600;
    color: #1a1a1a;
    line-height: 1.6;
    margin-bottom: 20px;
}

.quote-author {
    font-size: 16px;
    color: #666;
    font-style: normal;
}

.therapeutic-modalities-title {
    font-size: 36px;
    font-weight: 700;
    color: #1a1a1a;
    margin-top: 40px;
    margin-bottom: 40px;
}

/* 治疗方式卡片 */
.modalities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.modality-card {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.modality-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.modality-image {
    width: 100%;
    height: 280px;
    overflow: hidden;
}

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

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

.modality-title {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a1a;
    padding: 24px 24px 16px;
    line-height: 1.3;
}

.modality-description {
    font-size: 15px;
    color: #666;
    line-height: 1.7;
    padding: 0 24px 20px;
}

.modality-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #a8c84e;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    padding: 0 24px 24px;
    transition: all 0.3s ease;
}

.modality-link:hover {
    gap: 12px;
    color: #96b545;
}

.modality-link svg {
    transition: transform 0.3s ease;
}

.modality-link:hover svg {
    transform: translateX(4px);
}

/* 传染病 Section */
.infectious-diseases-section {
    padding: 100px 0;
    background-color: #ffffff;
}

.infectious-title {
    font-size: 56px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 30px;
}

.infectious-subtitle {
    font-size: 32px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 24px;
    line-height: 1.4;
}

.infectious-description {
    font-size: 18px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 30px;
    max-width: 100%;
}

.infectious-learn-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #a8c84e;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    margin-bottom: 60px;
    transition: all 0.3s ease;
}

.infectious-learn-more:hover {
    gap: 12px;
    color: #96b545;
}

.infectious-learn-more svg {
    transition: transform 0.3s ease;
}

.infectious-learn-more:hover svg {
    transform: translateX(4px);
}

.infectious-quote {
    margin-top: 60px;
}

.infectious-programs-title {
    font-size: 36px;
    font-weight: 700;
    color: #1a1a1a;
    margin-top: 40px;
    margin-bottom: 20px;
}

.infectious-programs-description {
    font-size: 18px;
    color: #666;
    line-height: 1.8;
    max-width: 100%;
    margin-bottom: 50px;
}

/* 传染病项目卡片 */
.disease-programs-grid {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-bottom: 60px;
}

.disease-card {
    display: flex;
    align-items: stretch;
    gap: 0;
    border-radius: 16px;
    overflow: hidden;
    padding: 0;
}

.disease-card.reverse {
    flex-direction: row-reverse;
}

.disease-content {
    flex: 1;
    padding: 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.disease-image {
    flex: 0 0 48%;
    position: relative;
    overflow: hidden;
}

.disease-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.disease-title {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.disease-description {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 24px;
}

.disease-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #a8c84e;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.disease-link:hover {
    gap: 12px;
    color: #96b545;
}

.disease-link svg {
    transition: transform 0.3s ease;
}

.disease-link:hover svg {
    transform: translateX(4px);
}

/* 其他疫苗说明部分 */
.other-vaccines-section {
    padding: 50px;
    border-radius: 16px;
    margin-top: 40px;
}

.other-vaccines-title {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 24px;
    line-height: 1.4;
}

.other-vaccines-description {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.other-vaccines-description:last-of-type {
    margin-bottom: 24px;
}

.other-vaccines-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #a8c84e;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.other-vaccines-link:hover {
    gap: 12px;
    color: #96b545;
}

.other-vaccines-link svg {
    transition: transform 0.3s ease;
}

.other-vaccines-link:hover svg {
    transform: translateX(4px);
}

/* 研发领域 Section */
.research-areas {
    padding: 100px 0;
    background-color: #ffffff;
}

.research-container {
    max-width: 1360px;
    margin: 0 auto;
    padding: 0 60px;
}

.section-title {
    font-size: 48px;
    font-weight: 700;
    color: #1a1a1a;
    text-align: center;
    margin-bottom: 20px;
}

.section-description {
    font-size: 18px;
    color: #666;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
    line-height: 1.8;
}

.areas-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.area-card {
    background: #f8f8f8;
    border-radius: 16px;
    padding: 40px;
    transition: all 0.3s ease;
}

.area-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.area-icon {
    margin-bottom: 24px;
}

.area-title {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 16px;
}

.area-description {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
}

/* 技术平台 Section */
.technology-platforms {
    padding: 100px 0;
    background-color: #f5f5f5;
}

.platforms-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.platform-item {
    background: #ffffff;
    border-radius: 16px;
    padding: 40px;
    position: relative;
    transition: all 0.3s ease;
}

.platform-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.platform-number {
    font-size: 48px;
    font-weight: 700;
    color: #a8c84e;
    opacity: 0.3;
    margin-bottom: 20px;
}

.platform-title {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 16px;
}

.platform-description {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
}

/* 研发成果 Section */
.research-achievements {
    padding: 100px 0;
    background-color: #ffffff;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.achievement-card {
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, #a8c84e 0%, #96b545 100%);
    border-radius: 16px;
    color: #ffffff;
    transition: all 0.3s ease;
}

.achievement-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(168, 200, 78, 0.3);
}

.achievement-number {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 10px;
}

.achievement-label {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
}

.achievement-desc {
    font-size: 14px;
    opacity: 0.9;
}

/* 响应式设计 */
@media (max-width: 1440px) {
    .research-container {
        padding: 0 40px;
    }
}

@media (max-width: 1200px) {
    .research-hero {
        height: 500px;
    }

    .research-hero-title {
        font-size: 52px;
    }

    .research-hero-subtitle {
        font-size: 20px;
    }

    .oncology-title {
        font-size: 48px;
    }

    .oncology-subtitle {
        font-size: 28px;
    }

    .quote-text {
        font-size: 20px;
    }

    .section-title {
        font-size: 42px;
    }

    .areas-grid {
        gap: 30px;
    }

    .platforms-content {
        gap: 30px;
    }

    .modalities-grid {
        gap: 25px;
    }

    .modality-title {
        font-size: 22px;
    }

    .infectious-title {
        font-size: 48px;
    }

    .infectious-subtitle {
        font-size: 28px;
    }

    .infectious-programs-title {
        font-size: 32px;
    }
}

@media (max-width: 968px) {
    .research-hero {
        height: 400px;
    }

    .research-hero-title {
        font-size: 42px;
    }

    .research-hero-subtitle {
        font-size: 18px;
    }

    .oncology-section,
    .research-areas,
    .technology-platforms,
    .research-achievements {
        padding: 60px 0;
    }

    .oncology-title {
        font-size: 36px;
    }

    .oncology-subtitle {
        font-size: 24px;
    }

    .oncology-description {
        font-size: 16px;
        margin-bottom: 40px;
    }

    .quote-block {
        flex-direction: column;
        padding: 30px;
        gap: 20px;
    }

    .quote-icon svg {
        width: 60px;
        height: 60px;
    }

    .quote-text {
        font-size: 18px;
    }

    .therapeutic-modalities-title {
        font-size: 28px;
    }

    .section-title {
        font-size: 36px;
    }

    .section-description {
        font-size: 16px;
        margin-bottom: 40px;
    }

    .areas-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .platforms-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .achievements-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .area-card,
    .platform-item {
        padding: 30px;
    }

    .modalities-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .modality-image {
        height: 240px;
    }

    .modality-title {
        font-size: 20px;
        padding: 20px 20px 12px;
    }

    .modality-description {
        font-size: 14px;
        padding: 0 20px 16px;
    }

    .modality-link {
        padding: 0 20px 20px;
        font-size: 15px;
    }

    .infectious-diseases-section {
        padding: 60px 0;
    }

    .infectious-title {
        font-size: 36px;
    }

    .infectious-subtitle {
        font-size: 24px;
    }

    .infectious-description {
        font-size: 16px;
        margin-bottom: 24px;
    }

    .infectious-learn-more {
        font-size: 15px;
        margin-bottom: 40px;
    }

    .infectious-programs-title {
        font-size: 28px;
    }

    .infectious-programs-description {
        font-size: 16px;
    }

    .disease-programs-grid {
        gap: 30px;
    }

    .disease-card {
        flex-direction: column !important;
        gap: 0;
    }

    .disease-content {
        padding: 30px;
    }

    .disease-image {
        flex: 0 0 auto;
        width: 100%;
        height: 300px;
        position: relative;
    }

    .disease-title {
        font-size: 24px;
    }

    .disease-description {
        font-size: 15px;
    }

    .other-vaccines-section {
        padding: 30px;
    }

    .other-vaccines-title {
        font-size: 24px;
    }

    .other-vaccines-description {
        font-size: 15px;
    }
}

@media (max-width: 640px) {
    .research-hero {
        height: 350px;
    }

    .research-hero-content {
        padding: 0 30px;
    }

    .research-hero-title {
        font-size: 32px;
    }

    .research-hero-subtitle {
        font-size: 16px;
    }

    .research-container {
        padding: 0 20px;
    }

    .oncology-title {
        font-size: 28px;
    }

    .oncology-subtitle {
        font-size: 20px;
    }

    .oncology-description {
        font-size: 14px;
    }

    .quote-block {
        padding: 20px;
    }

    .quote-icon svg {
        width: 50px;
        height: 50px;
    }

    .quote-text {
        font-size: 16px;
    }

    .quote-author {
        font-size: 14px;
    }

    .therapeutic-modalities-title {
        font-size: 24px;
    }

    .section-title {
        font-size: 28px;
    }

    .oncology-section,
    .research-areas,
    .technology-platforms,
    .research-achievements {
        padding: 40px 0;
    }

    .area-card,
    .platform-item {
        padding: 20px;
    }

    .area-title,
    .platform-title {
        font-size: 20px;
    }

    .area-description,
    .platform-description {
        font-size: 14px;
    }

    .achievements-grid {
        grid-template-columns: 1fr;
    }

    .achievement-number {
        font-size: 42px;
    }

    .achievement-label {
        font-size: 18px;
    }

    .modality-image {
        height: 200px;
    }

    .modality-title {
        font-size: 18px;
        padding: 16px 16px 12px;
    }

    .modality-description {
        font-size: 13px;
        padding: 0 16px 12px;
    }

    .modality-link {
        padding: 0 16px 16px;
        font-size: 14px;
    }

    .infectious-diseases-section {
        padding: 40px 0;
    }

    .infectious-title {
        font-size: 28px;
    }

    .infectious-subtitle {
        font-size: 20px;
    }

    .infectious-description {
        font-size: 14px;
        margin-bottom: 20px;
    }

    .infectious-learn-more {
        font-size: 14px;
        margin-bottom: 30px;
    }

    .infectious-programs-title {
        font-size: 24px;
    }

    .infectious-programs-description {
        font-size: 14px;
    }

    .disease-programs-grid {
        gap: 20px;
    }

    .disease-content {
        padding: 20px;
    }

    .disease-image {
        height: 240px;
        position: relative;
    }

    .disease-title {
        font-size: 20px;
        margin-bottom: 16px;
    }

    .disease-description {
        font-size: 14px;
        margin-bottom: 16px;
    }

    .disease-link {
        font-size: 14px;
    }

    .other-vaccines-section {
        padding: 20px;
    }

    .other-vaccines-title {
        font-size: 20px;
        margin-bottom: 16px;
    }

    .other-vaccines-description {
        font-size: 14px;
        margin-bottom: 16px;
    }

    .other-vaccines-link {
        font-size: 14px;
    }
}