/* ==========================================
   首页样式 - Index Page Styles
   包含首页所有section的特定样式
   ========================================== */

/* Hero Section 样式 */
.hero-section {
    position: relative;
    width: 100%;
    height: 600px;
    background-image: url('../images/10001.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.15);
    z-index: 1;
}

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

.hero-title {
    color: #ffffff;
    font-size: 56px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 40px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    opacity: 0;
    animation: fadeInUp 1.2s ease forwards;
}

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

.hero-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: #a8c84e;
    color: #ffffff;
    text-decoration: none;
    padding: 15px 30px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(168, 200, 78, 0.3);
    opacity: 0;
    animation: fadeInUp 1.2s ease 0.3s forwards;
}

.hero-button:hover {
    background-color: #96b545;
    transform: translateX(5px);
    box-shadow: 0 6px 20px rgba(168, 200, 78, 0.4);
}

.button-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    line-height: 0;
    transition: transform 0.3s ease;
    padding: 6px;
}

.button-icon img {
    width: 100%;
    height: 100%;
    filter: brightness(0) invert(1);
}

.hero-button:hover .button-icon {
    transform: translateX(3px);
}

.button-text {
    font-weight: 600;
}

/* Hero Section 响应式设计 */
@media (max-width: 768px) {
    .hero-section {
        height: 500px;
    }

    .hero-content {
        padding: 0 20px;
    }

    .hero-title {
        font-size: 32px;
        margin-bottom: 30px;
    }

    .hero-button {
        padding: 12px 24px;
        font-size: 14px;
    }

    .button-icon {
        width: 20px;
        height: 20px;
        padding: 5px;
    }

    main {
        padding: 40px 20px !important;
    }
}

@media (max-width: 480px) {
    .hero-section {
        height: 400px;
    }

    .hero-title {
        font-size: 26px;
        line-height: 1.4;
    }
}

/* Mission Section 样式 */
.mission-section {
    background-color: #f8f9fa;
    padding: 100px 60px;
}

.mission-container {
    max-width: 1200px;
    margin: 0 auto;
}

.mission-title {
    color: #1a1a1a;
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 30px;
    line-height: 1.2;
}

.mission-description {
    color: #666;
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 1000px;
}

.mission-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: #1a1a1a;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.mission-button .button-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: #a8c84e;
    border-radius: 50%;
    line-height: 0;
    color: #ffffff;
    transition: all 0.3s ease;
    padding: 12px;
}

.mission-button .button-icon img {
    width: 100%;
    height: 100%;
    filter: brightness(0) invert(1);
}

.mission-button:hover .button-icon {
    background-color: #96b545;
    transform: translateX(5px);
}

.mission-button:hover {
    color: #a8c84e;
}

/* Mission Section 响应式设计 */
@media (max-width: 768px) {
    .mission-section {
        padding: 60px 20px;
    }

    .mission-title {
        font-size: 36px;
        margin-bottom: 20px;
    }

    .mission-description {
        font-size: 16px;
        line-height: 1.7;
        margin-bottom: 30px;
    }

    .mission-button {
        font-size: 14px;
    }

    .mission-button .button-icon {
        width: 40px;
        height: 40px;
        padding: 10px;
    }
}

@media (max-width: 480px) {
    .mission-section {
        padding: 50px 20px;
    }

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

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

/* Belief Section 样式 */
.belief-section {
    position: relative;
    width: 100%;
    min-height: 100vh;
    background-image: url('../images/10006.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.belief-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 30, 60, 0.7);
    z-index: 1;
}

.belief-container {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    padding: 100px 60px;
    width: 100%;
}

.belief-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.belief-text {
    font-size: 32px;
    line-height: 1.6;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.4);
    transition: all 0.6s ease;
    margin: 0;
}

.belief-text.active {
    color: rgba(255, 255, 255, 1);
    font-weight: 600;
    transform: scale(1.02);
}

/* Belief Section 响应式设计 */
@media (max-width: 768px) {
    .belief-section {
        background-attachment: scroll;
    }

    .belief-container {
        padding: 80px 20px;
    }

    .belief-content {
        gap: 30px;
    }

    .belief-text {
        font-size: 22px;
        line-height: 1.5;
    }
}

@media (max-width: 480px) {
    .belief-container {
        padding: 60px 20px;
    }

    .belief-content {
        gap: 25px;
    }

    .belief-text {
        font-size: 18px;
        line-height: 1.6;
    }
}

/* Therapeutic Areas Section 样式 */
.therapeutic-section {
    background-color: #ffffff;
    padding: 100px 60px;
}

.therapeutic-container {
    max-width: 1200px;
    margin: 0 auto;
}

.therapeutic-main-title {
    color: #1a1a1a;
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 60px;
    text-align: left;
}

.therapeutic-content {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.therapeutic-icon {
    flex-shrink: 0;
    width: 150px;
}

.therapeutic-icon img {
    width: 100%;
    height: auto;
}

.therapeutic-text {
    flex: 1;
}

.therapeutic-title {
    color: #1a1a1a;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
}

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

.therapeutic-description:last-child {
    margin-bottom: 0;
}

.therapeutic-description strong {
    color: #1a1a1a;
    font-weight: 600;
}

/* Therapeutic Section 响应式设计 */
@media (max-width: 768px) {
    .therapeutic-section {
        padding: 60px 20px;
    }

    .therapeutic-main-title {
        font-size: 36px;
        margin-bottom: 40px;
    }

    .therapeutic-content {
        flex-direction: column;
        gap: 30px;
        align-items: center;
    }

    .therapeutic-icon {
        width: 120px;
    }

    .therapeutic-text {
        text-align: left;
    }

    .therapeutic-title {
        font-size: 26px;
        margin-bottom: 15px;
    }

    .therapeutic-description {
        font-size: 15px;
        line-height: 1.7;
    }
}

@media (max-width: 480px) {
    .therapeutic-section {
        padding: 50px 20px;
    }

    .therapeutic-main-title {
        font-size: 28px;
        margin-bottom: 30px;
    }

    .therapeutic-icon {
        width: 100px;
    }

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

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

/* BNT327 Section 样式 */
.bnt327-section {
    background-color: #ffffff;
    padding: 80px 0;
    overflow: hidden;
}

.bnt327-container {
    margin: 0 auto;
    position: relative;
    padding: 0;
    height: 550px;
}

.bnt327-image {
    width: 75%;
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    height: 100%;
}

.bnt327-image img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.bnt327-content {
    position: absolute;
    right: 60px;
    top: 50%;
    transform: translateY(-50%);
    width: 50%;
    background-color: #f8f9fa;
    padding: 60px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.bnt327-title {
    color: #1a1a1a;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.3;
}

.bnt327-description {
    color: #666;
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 32px;
}

.bnt327-description strong {
    color: #1a1a1a;
    font-weight: 600;
}

.bnt327-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: #1a1a1a;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.bnt327-button:hover {
    color: #a8c84e;
}

.bnt327-button:hover .button-arrow {
    transform: translateX(5px);
}

.bnt327-button .button-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background-color: #a8c84e;
    border-radius: 50%;
    transition: all 0.3s ease;
    padding: 8px;
}

.bnt327-button .button-arrow img {
    width: 100%;
    height: 100%;
    filter: brightness(0) invert(1);
}

.bnt327-button:hover .button-arrow {
    background-color: #96b545;
}

/* BNT327 Section 响应式设计 */
@media (max-width: 968px) {
    .bnt327-section {
        padding: 60px 0;
    }

    .bnt327-container {
        padding: 0 20px;
        height: auto;
        min-height: 600px;
        display: flex;
        align-items: center;
        background-image: url('../images/10002.jpeg');
        background-size: cover;
        background-position: center;
        border-radius: 12px;
        overflow: hidden;
    }

    .bnt327-image {
        display: none;
    }

    .bnt327-content {
        position: static;
        transform: none;
        width: 100%;
        right: auto;
        padding: 40px;
        border-radius: 8px;
        margin: 40px 20px;
    }

    .bnt327-title {
        font-size: 26px;
    }

    .bnt327-description {
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .bnt327-section {
        padding: 40px 0;
    }

    .bnt327-container {
        min-height: 500px;
        padding: 0 10px;
    }

    .bnt327-content {
        padding: 30px 20px;
        margin: 30px 10px;
    }

    .bnt327-title {
        font-size: 22px;
        margin-bottom: 16px;
    }

    .bnt327-description {
        font-size: 14px;
        margin-bottom: 24px;
    }

    .bnt327-button {
        font-size: 14px;
    }

    .bnt327-button .button-arrow {
        width: 28px;
        height: 28px;
    }
}

/* mRNA Section 样式 */
.mrna-section {
    background-color: #ffffff;
    padding: 80px 0;
    overflow: hidden;
}

.mrna-container {
    margin: 0 auto;
    position: relative;
    padding: 0;
    height: 550px;
}

.mrna-image {
    width: 75%;
    position: absolute;
    right: 0;
    top: 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    height: 100%;
}

.mrna-image img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.mrna-content {
    position: absolute;
    left: 60px;
    top: 50%;
    transform: translateY(-50%);
    width: 50%;
    background-color: #ffffff;
    padding: 60px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    z-index: 10;
}

.mrna-title {
    color: #1a1a1a;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.3;
}

.mrna-description {
    color: #666;
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 32px;
}

.mrna-description strong {
    color: #1a1a1a;
    font-weight: 600;
}

.mrna-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: #1a1a1a;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.mrna-button:hover {
    color: #a8c84e;
}

.mrna-button:hover .button-arrow {
    transform: translateX(5px);
}

.mrna-button .button-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background-color: #a8c84e;
    border-radius: 50%;
    transition: all 0.3s ease;
    padding: 8px;
}

.mrna-button .button-arrow img {
    width: 100%;
    height: 100%;
    filter: brightness(0) invert(1);
}

.mrna-button:hover .button-arrow {
    background-color: #96b545;
}

/* mRNA Section 响应式设计 */
@media (max-width: 968px) {
    .mrna-section {
        padding: 60px 0;
    }

    .mrna-container {
        padding: 0 20px;
        height: auto;
        min-height: 600px;
        display: flex;
        align-items: center;
        background-image: url('../images/10003.jpeg');
        background-size: cover;
        background-position: center;
        border-radius: 12px;
        overflow: hidden;
    }

    .mrna-image {
        display: none;
    }

    .mrna-content {
        position: static;
        transform: none;
        width: 100%;
        left: auto;
        padding: 40px;
        border-radius: 8px;
        margin: 40px 20px;
    }

    .mrna-title {
        font-size: 26px;
    }

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

@media (max-width: 480px) {
    .mrna-section {
        padding: 40px 0;
    }

    .mrna-container {
        min-height: 500px;
        padding: 0 10px;
    }

    .mrna-content {
        padding: 30px 20px;
        margin: 30px 10px;
    }

    .mrna-title {
        font-size: 22px;
        margin-bottom: 16px;
    }

    .mrna-description {
        font-size: 14px;
        margin-bottom: 24px;
    }

    .mrna-button {
        font-size: 14px;
    }

    .mrna-button .button-arrow {
        width: 28px;
        height: 28px;
    }
}

/* Infectious Diseases Section 样式 */
.infectious-section {
    background-color: #f8f9fa;
    padding: 80px 60px;
}

.infectious-container {
    max-width: 1200px;
    margin: 0 auto;
}

.infectious-content {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.infectious-icon {
    flex-shrink: 0;
    width: 120px;
}

.infectious-icon img {
    width: 100%;
    height: auto;
}

.infectious-text {
    flex: 1;
}

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

.infectious-description {
    color: #666;
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 30px;
}

.infectious-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: #1a1a1a;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.infectious-button:hover {
    color: #a8c84e;
}

.infectious-button:hover .button-arrow {
    transform: translateX(5px);
}

.infectious-button .button-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background-color: #a8c84e;
    border-radius: 50%;
    transition: all 0.3s ease;
    padding: 8px;
}

.infectious-button .button-arrow img {
    width: 100%;
    height: 100%;
    filter: brightness(0) invert(1);
}

.infectious-button:hover .button-arrow {
    background-color: #96b545;
}

/* Infectious Section 响应式设计 */
@media (max-width: 768px) {
    .infectious-section {
        padding: 60px 20px;
    }

    .infectious-content {
        flex-direction: column;
        gap: 30px;
        align-items: center;
    }

    .infectious-icon {
        width: 100px;
    }

    .infectious-text {
        text-align: left;
    }

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

    .infectious-description {
        font-size: 15px;
        margin-bottom: 24px;
    }

    .infectious-button {
        font-size: 14px;
    }

    .infectious-button .button-arrow {
        width: 28px;
        height: 28px;
    }
}

@media (max-width: 480px) {
    .infectious-section {
        padding: 50px 20px;
    }

    .infectious-content {
        gap: 25px;
    }

    .infectious-icon {
        width: 80px;
    }

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

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

/* Research Excellence Section 样式 */
.research-section {
    width: 100%;
    background-color: #ffffff;
}

.research-container {
    width: 100%;
    height: 800px;
}

.research-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Research Section 响应式设计 */
@media (max-width: 768px) {
    .research-container {
        height: 600px;
    }
}

@media (max-width: 480px) {
    .research-container {
        height: 450px;
    }
}

/* Pipeline Section 样式 */
.pipeline-section {
    background-color: transparent;
    position: relative;
    padding-bottom: 100px;
}

.pipeline-header {
    background-color: transparent;
    position: relative;
    margin-top: -300px;
    z-index: 10;
    padding: 0 60px;
}

.pipeline-header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 80px 60px 60px;
    background-color: #ffffff;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.pipeline-title {
    font-size: 56px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 30px;
    line-height: 1.2;
}

.pipeline-subtitle {
    font-size: 18px;
    line-height: 1.8;
    color: #666;
    max-width: 900px;
}

.pipeline-cards-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    background-color: #ffffff;
    border-radius: 0;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.pipeline-cards {
    display: flex;
    gap: 20px;
    padding: 20px;
}

.pipeline-card {
    flex: 1;
    min-height: 400px;
    display: flex;
    align-items: flex-end;
    padding: 40px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    background-color: #F3F6F7;
}

.card-content {
    position: relative;
    z-index: 2;
    width: 100%;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: left bottom;
}

.card-number {
    font-size: 56px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 24px;
    color: #1a1a1a;
    transition: color 0.3s ease;
}

.card-title {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 24px;
    min-height: 56px;
    color: #1a1a1a;
    transition: color 0.3s ease;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    transition: all 0.3s ease;
    color: #1a1a1a;
}

.link-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: #a8c84e;
    color: #ffffff;
    font-size: 20px;
    transition: all 0.3s ease;
}

.card-link:hover .link-icon {
    transform: translateX(5px);
}

/* 悬停效果 */
.pipeline-card:hover {
    flex: 1.5;
    background-color: #1a5f6f;
}

.pipeline-card:hover .card-content {
    transform: scale(1.15);
}

.pipeline-card:hover .card-number,
.pipeline-card:hover .card-title,
.pipeline-card:hover .card-link {
    color: #ffffff;
}

/* Pipeline Section 响应式设计 */
@media (max-width: 968px) {
    .pipeline-section {
        padding-bottom: 80px;
    }

    .pipeline-header {
        margin-top: -200px;
        padding: 0 30px;
    }

    .pipeline-header-content {
        padding: 60px 40px 40px;
    }

    .pipeline-title {
        font-size: 42px;
        margin-bottom: 20px;
    }

    .pipeline-subtitle {
        font-size: 16px;
    }

    .pipeline-cards-wrapper {
        margin: 0;
    }

    .pipeline-cards {
        flex-direction: column;
        gap: 0;
    }

    .pipeline-card {
        min-height: 300px;
        padding: 30px;
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    }

    .pipeline-card:last-child {
        border-bottom: none;
    }

    .pipeline-card:hover {
        flex: 1;
        transform: scale(1.02);
    }

    .card-number {
        font-size: 56px;
        margin-bottom: 20px;
    }

    .card-title {
        font-size: 20px;
        min-height: auto;
        margin-bottom: 24px;
    }
}

@media (max-width: 480px) {
    .pipeline-section {
        padding-bottom: 60px;
    }

    .pipeline-header {
        margin-top: -150px;
        padding: 0 20px;
    }

    .pipeline-header-content {
        padding: 50px 30px 30px;
    }

    .pipeline-title {
        font-size: 32px;
    }

    .pipeline-subtitle {
        font-size: 15px;
    }

    .pipeline-cards-wrapper {
        margin: 0;
    }

    .pipeline-card {
        min-height: 280px;
        padding: 25px;
    }

    .card-number {
        font-size: 48px;
        margin-bottom: 16px;
    }

    .card-title {
        font-size: 18px;
        margin-bottom: 20px;
    }

    .card-link {
        font-size: 13px;
    }

    .link-icon {
        width: 28px;
        height: 28px;
        font-size: 18px;
    }
}

/* Join Us Section 样式 */
.join-us-section {
    background-color: #ffffff;
    padding: 0 60px;
}

.join-us-container {
    max-width: 100%;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 80px;
}

.join-us-content {
    flex: 1;
    padding: 0;
}

.join-us-title {
    font-size: 48px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 30px;
    line-height: 1.2;
}

.join-us-description {
    font-size: 18px;
    line-height: 1.8;
    color: #666;
    margin-bottom: 40px;
}

.join-us-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: #1a1a1a;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.join-us-button:hover {
    color: #a8c84e;
}

.join-us-button .button-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: #a8c84e;
    border-radius: 50%;
    color: #ffffff;
    font-size: 24px;
    transition: all 0.3s ease;
}

.join-us-button:hover .button-arrow {
    background-color: #96b545;
    transform: translateX(5px);
}

.join-us-image {
    flex: 1;
    height: 100%;
    min-height: 500px;
}

.join-us-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 12px;
}

/* Join Us Section 响应式设计 */
@media (max-width: 968px) {
    .join-us-section {
        padding: 80px 30px;
    }

    .join-us-container {
        flex-direction: column;
        gap: 40px;
    }

    .join-us-title {
        font-size: 36px;
        margin-bottom: 24px;
    }

    .join-us-description {
        font-size: 16px;
        margin-bottom: 32px;
    }

    .join-us-image {
        min-height: 400px;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .join-us-section {
        padding: 60px 20px;
    }

    .join-us-container {
        gap: 30px;
    }

    .join-us-title {
        font-size: 28px;
        margin-bottom: 20px;
    }

    .join-us-description {
        font-size: 15px;
        margin-bottom: 28px;
    }

    .join-us-button {
        font-size: 14px;
    }

    .join-us-button .button-arrow {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }

    .join-us-image {
        min-height: 300px;
    }
}

/* Contact Cards Section 样式 */
.contact-cards-section {
    background-color: #f8f9fa;
    padding: 100px 60px;
}

.contact-cards-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    justify-content: center;
    max-width: 900px;
}

.contact-card {
    background-color: transparent;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: none;
}

.contact-icon {
    width: 100%;
    height: auto;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-icon img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.contact-card-title {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 20px;
    line-height: 1.3;
}

.contact-card-description {
    font-size: 16px;
    line-height: 1.7;
    color: #666;
    margin-bottom: 30px;
}

.contact-card-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #1a1a1a;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.contact-card-link:hover {
    color: #a8c84e;
}

.contact-card-link .link-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: #a8c84e;
    border-radius: 50%;
    color: #ffffff;
    font-size: 20px;
    transition: all 0.3s ease;
}

.contact-card-link:hover .link-arrow {
    background-color: #96b545;
    transform: translateX(5px);
}

/* Contact Cards Section 响应式设计 */
@media (max-width: 968px) {
    .contact-cards-section {
        padding: 80px 30px;
    }

    .contact-cards-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .contact-card {
        padding: 0;
    }

    .contact-icon {
        width: 100%;
        height: auto;
        margin-bottom: 25px;
    }

    .contact-icon img {
        width: 100%;
        height: auto;
    }

    .contact-card-title {
        font-size: 22px;
        margin-bottom: 16px;
    }

    .contact-card-description {
        font-size: 15px;
        margin-bottom: 25px;
    }
}

@media (max-width: 480px) {
    .contact-cards-section {
        padding: 60px 20px;
    }

    .contact-card {
        padding: 0;
    }

    .contact-icon {
        width: 100%;
        height: auto;
        margin-bottom: 20px;
    }

    .contact-icon img {
        width: 100%;
        height: auto;
    }

    .contact-card-title {
        font-size: 20px;
        margin-bottom: 14px;
    }

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

    .contact-card-link {
        font-size: 14px;
    }

    .contact-card-link .link-arrow {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }
}

/* Footer 样式 */
.footer {
    background-color: #265965;
    color: #ffffff;
    padding: 60px 60px 30px;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-main {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    gap: 60px;
}

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 30px;
    flex: 0 0 auto;
}

.footer-right {
    display: flex;
    align-items: flex-start;
}

.footer-logo img {
    height: 40px;
    width: auto;
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.company-name {
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
    margin: 0;
}

.company-email {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.footer-qrcode {
    text-align: right;
}

.footer-qrcode img {
    height: 150px;
    width: auto;
    border-radius: 8px;
    background-color: #ffffff;
    padding: 8px;
    margin-bottom: 10px;
}

.qrcode-text {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.footer-bottom {
    padding-top: 30px;
    text-align: center;
}

.copyright {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

/* Footer 响应式设计 */
@media (max-width: 968px) {
    .footer {
        padding: 50px 30px 25px;
    }

    .footer-main {
        flex-direction: column;
        gap: 40px;
        align-items: center;
        text-align: center;
    }

    .footer-left {
        align-items: center;
        gap: 25px;
    }

    .footer-right {
        width: 100%;
        justify-content: center;
    }

    .footer-qrcode {
        text-align: center;
    }

    .footer-qrcode img {
        height: 130px;
    }
}

@media (max-width: 480px) {
    .footer {
        padding: 40px 20px 20px;
    }

    .footer-main {
        gap: 30px;
        padding-bottom: 30px;
    }

    .footer-left {
        gap: 20px;
    }

    .footer-logo img {
        height: 32px;
    }

    .company-name {
        font-size: 16px;
    }

    .company-email {
        font-size: 14px;
    }

    .footer-qrcode img {
        height: 120px;
    }

    .qrcode-text {
        font-size: 13px;
    }

    .footer-bottom {
        padding-top: 25px;
    }

    .copyright {
        font-size: 12px;
    }
}