/* Stats Section */
.stats-section {
    padding: 3rem 2rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.stats-header {
    max-width: 1200px;
    margin: 0 auto 3rem;
}

.stats-subtitle {
    font-size: 1rem;
    color: #6c757d;
    margin-bottom: 0.5rem;
}

.stats-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    line-height: 1.3;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.stat-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
}

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

.stat-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 0.8rem;
}

.stat-card-subtitle {
    font-size: 0.9rem;
    color: #6c757d;
    margin-bottom: 1.2rem;
}

.stat-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.stat-tag {
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.tag-blue {
    background: #3b82f6;
    color: white;
}

.tag-yellow {
    background: #F8D748;
    color: #1e293b;
}

.tag-green {
    background: #C1E791;
    color: white;
}

.stat-card-description {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #495057;
}

/* Products Section */
.products-section {
    padding: 3rem 2rem;
    background: #f5f7fa;
    /* margin-top: 3rem; */
}

.products-header {
    max-width: 1200px;
    margin: 0 auto 2.5rem;
    text-align: left;
}

.products-title {
    font-size: 2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.products-subtitle {
    font-size: 0.95rem;
    color: #6c757d;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.product-card {
    background: white;
    border-radius: 12px;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    min-height: 100%;
}

.product-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    transform: translateY(-3px);
}

.product-icon {
    font-size: 2.5rem;
}
.product-icon-body {
    width: 100%;
    height: auto;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
}
.product-body{
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    color: #2c3e50;
}

.product-description {
    font-size: 0.8rem;
    line-height: 1.5;
    color: #6c757d;
    margin-bottom: 1rem;
}

.product-features {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
    flex-grow: 1;
}

.product-features li {
    font-size: 0.85rem;
    color: #10b981;
    margin-bottom: 0.6rem;
    line-height: 1.5;
}

.product-learn-more {
    display: inline-block;
    color: #3b82f6;
    font-size: 1rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    margin-top: auto;
}

.product-learn-more:hover {
    color: #2563eb;
    transform: translateX(3px);
}

.product-link-more {
    color: #3b82f6;
    font-size: 0.85rem;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.product-link-more:hover {
    color: #2563eb;
}
/* CTA Final Section */
.cta-final-section {
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #213386 0%, #1e40af 100%);
    color: white;
}

.cta-final-content {
    max-width: 1200px;
    margin: 0 auto;
}

.cta-final-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: #06b6d4;
}

.cta-steps {
    margin-bottom: 2rem;
}

.cta-step {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.step-check {
    width: 40px;
    height: 40px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #2563eb;
    font-weight: 700;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.step-number {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.3rem;
}

.step-text {
    font-size: 1.1rem;
    font-weight: 600;
}

.cta-final-form {
    display: flex;
    gap: 1rem;
    max-width: 700px;
}

.cta-final-email {
    border: none;
    font-size: 2.5rem;
    color: #fff;
    display: flex;
    align-items: center;
    font-weight: 600;
}

.btn-cta-final {
    padding: .2rem 2rem !important;
    background: #06b6d4;
    color: white;
    border: none;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    white-space: nowrap;
}

.btn-cta-final:hover {
    background: #0891b2;
    transform: translateY(-2px);
}
/* Footer */
.footer {
    margin-top: -1rem;
    background: #1e293b;
    color: rgba(255, 255, 255, 0.8);
    padding: 3rem 2rem 1rem;
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto 2rem;
}

.footer-left-content{
    display: flex;
    gap: 3rem;
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
    font-size: 13px;
}

.footer-links a:hover {
    color: #06b6d4;
}

.footer-qr {
    margin-bottom: 1.5rem;
    width: 20vw;
}

.qr-code {
    width: 120px;
    height: 120px;
    background: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.contact-title {
    font-weight: 600;
    color: white;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
}

.footer-contact p {
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-bottom {
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 1.5rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: white;
    border: none;
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all 0.3s;
    z-index: 999;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.back-to-top.show {
    display: flex;
}
/* 响应式设计 - 平板 */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-section {
        padding: 3rem 1.5rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .product-card {
        padding: 1.5rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }
}

/* 响应式设计 - 移动端 */
@media (max-width: 768px) {
    .stats-section {
        padding: 2.5rem 1rem;
    }
    
    .stats-header {
        margin-bottom: 2rem;
    }
    
    .stats-title {
        font-size: 1.6rem;
        line-height: 1.4;
    }
    
    .stats-subtitle {
        font-size: 0.9rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }
    
    .stat-card {
        padding: 1.8rem;
    }
    
    .stat-card-title {
        font-size: 1.2rem;
    }
    
    .stat-card-subtitle {
        font-size: 0.85rem;
    }
    
    .stat-tag {
        font-size: 0.75rem;
        padding: 0.3rem 0.7rem;
    }
    
    .stat-card-description {
        font-size: 0.9rem;
        line-height: 1.5;
    }
    
    .products-section {
        padding: 2.5rem 1rem;
    }
    
    .products-header {
        margin-bottom: 2rem;
    }
    
    .products-title {
        font-size: 1.4rem;
        line-height: 1.4;
    }
    
    .products-subtitle {
        font-size: 0.85rem;
        line-height: 1.5;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .product-card {
        padding: 0;
    }
    
    .product-body {
        padding: 1.2rem;
    }
    
    .product-title {
        font-size: 1rem;
    }
    
    .product-description {
        font-size: 0.8rem;
        line-height: 1.4;
    }
    
    .product-features li {
        font-size: 0.8rem;
        margin-bottom: 0.4rem;
    }
    
    .cta-final-section {
        padding: 2.5rem 1rem;
        margin: 0;
    }
    
    .cta-final-title {
        font-size: 1.6rem;
        line-height: 1.3;
        margin-bottom: 1.5rem;
    }
    
    .cta-steps {
        margin-bottom: 1.5rem;
    }
    
    .cta-step {
        gap: 1rem;
        margin-bottom: 1.2rem;
    }
    
    .step-check {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .step-number {
        font-size: 0.85rem;
    }
    
    .step-text {
        font-size: 0.95rem;
        line-height: 1.4;
    }
    
    .cta-final-form {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .cta-final-email {
        font-size: 1.3rem;
        word-break: break-all;
    }
    
    .btn-cta-final {
        padding: 0.6rem 2rem !important;
        font-size: 0.95rem;
        align-self: flex-start;
    }
    
    .footer {
        padding: 2.5rem 1rem 1rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }
    
    .footer-left-content {
        flex-direction: column;
        gap: 2rem;
        margin: 0;
    }
    
    .footer-column {
        width: 100%;
    }
    
    .footer-qr {
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .qr-code {
        width: 100px;
        height: 100px;
        font-size: 2.5rem;
    }
    
    .footer-contact p {
        font-size: 0.85rem;
    }
    
    .footer-bottom {
        padding-top: 1.5rem;
        font-size: 0.8rem;
    }
    
    /* 返回顶部按钮移动端对齐 */
    .back-to-top {
        right: 1rem;
        width: 44px;
        height: 44px;
        bottom: 1.5rem;
    }
}

@media (max-width: 480px) {
    .stats-section {
        padding: 2rem 0.8rem;
    }
    
    .stats-title {
        font-size: 1.3rem;
    }
    
    .stats-subtitle {
        font-size: 0.85rem;
    }
    
    .stat-card {
        padding: 1.5rem;
    }
    
    .stat-card-title {
        font-size: 1.1rem;
    }
    
    .stat-card-subtitle {
        font-size: 0.8rem;
    }
    
    .stat-tag {
        font-size: 0.7rem;
        padding: 0.25rem 0.6rem;
    }
    
    .stat-card-description {
        font-size: 0.85rem;
    }
    
    .products-section {
        padding: 2rem 0.8rem;
    }
    
    .products-title {
        font-size: 1.2rem;
    }
    
    .products-subtitle {
        font-size: 0.8rem;
    }
    
    .product-card {
        padding: 0;
    }
    
    .product-body {
        padding: 1rem;
    }
    
    .product-title {
        font-size: 0.95rem;
    }
    
    .product-description {
        font-size: 0.75rem;
    }
    
    .product-features li {
        font-size: 0.75rem;
    }
    
    .cta-final-section {
        padding: 2rem 0.8rem;
    }
    
    .cta-final-title {
        font-size: 1.3rem;
        margin-bottom: 1.2rem;
    }
    
    .cta-step {
        gap: 0.8rem;
        margin-bottom: 1rem;
    }
    
    .step-check {
        width: 30px;
        height: 30px;
        font-size: 0.9rem;
    }
    
    .step-number {
        font-size: 0.8rem;
    }
    
    .step-text {
        font-size: 0.85rem;
    }
    
    .cta-final-email {
        font-size: 1.1rem;
    }
    
    .btn-cta-final {
        padding: 0.5rem 1.5rem !important;
        font-size: 0.9rem;
    }
    
    .footer {
        padding: 2rem 0.8rem 1rem;
    }
    
    .footer-title {
        font-size: 1rem;
    }
    
    .footer-links a {
        font-size: 0.8rem;
    }
    
    .qr-code {
        width: 90px;
        height: 90px;
        font-size: 2rem;
    }
    
    .contact-title {
        font-size: 0.9rem;
    }
}

/* About Us Page Styles */
.about-hero {
    padding: 5rem 2rem;
    background: url('../images/background.jpg') center center / cover no-repeat;
    position: relative;
    text-align: center;
    color: white;
    min-height: 400px;
}

.about-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.about-hero-content {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.about-hero-title {
    font-size: 2.8rem;
    font-weight: 700;
    color: white;
    margin-bottom: 2rem;
    line-height: 1.3;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.about-hero-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.95);
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.8;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.about-hero-description p {
    margin-bottom: 0.5rem;
}

.about-content {
    background: white;
}

.about-section-wrapper {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.about-story-section {
    background: url('../images/background.jpg') center center / cover no-repeat;
    padding: 4rem 2rem;
    position: relative;
}

.about-story-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    z-index: 1;
}

.about-two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.about-column-left {
    max-width: 100%;
}

.about-column-right {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.about-text-section {
    max-width: 900px;
}

.about-section-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 2rem;
    line-height: 1.3;
}

.about-section-content {
    color: #495057;
    font-size: 1rem;
    line-height: 1.8;
}

.about-section-content p {
    margin-bottom: 1.2rem;
}

.about-news-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.about-news-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s;
}

.about-news-item:hover {
    background: #e9ecef;
    transform: translateX(5px);
}

.news-label {
    font-size: 0.75rem;
    color: #6c757d;
    white-space: nowrap;
}

.news-title {
    flex: 1;
    font-size: 0.85rem;
    color: #2c3e50;
    line-height: 1.4;
}

.news-arrow {
    color: #3b82f6;
    font-size: 1.2rem;
    font-weight: 300;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 0;
}

.about-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
}

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

.about-card h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 1rem;
}

.about-card h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 60px;
    height: 3px;
    background: #3b82f6;
    border-radius: 2px;
}

.about-card p {
    color: #495057;
    line-height: 1.7;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.about-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.about-card li {
    color: #495057;
    line-height: 1.8;
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.95rem;
}

.about-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: 700;
    font-size: 1.1rem;
}

.about-values-section {
    background: #f8f9fa;
    text-align: center;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.value-card {
    padding: 2.5rem;
    background: white;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
}

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

.value-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.value-card p {
    color: #495057;
    line-height: 1.6;
    font-size: 0.95rem;
}

.about-security-section {
    background: #f8f9fa;
    text-align: center;
}

.about-section-title-center {
    font-size: 2.2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    text-align: center;
}

.about-section-subtitle {
    font-size: 1rem;
    color: #6c757d;
    max-width: 900px;
    margin: 0 auto 3rem;
    line-height: 1.7;
}

.about-icon-section {
    margin: 3rem 0;
    display: flex;
    justify-content: center;
}

.about-icon-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
}

.about-subsection-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1.5rem;
}

.about-subsection-description {
    font-size: 1rem;
    color: #495057;
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-stats-section {
    padding: 4rem 2rem;
    background: white;
}

.about-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.about-stat-item {
    text-align: center;
}

.about-stat-label {
    font-size: 0.95rem;
    color: #6c757d;
    margin-bottom: 1rem;
}

.about-stat-value {
    font-size: 3.5rem;
    font-weight: 700;
    color: #3b82f6;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.about-stat-unit {
    font-size: 1rem;
    color: #495057;
    font-weight: 500;
}

.about-partners-section {
    padding: 5rem 2rem;
    background: #f8f9fa;
    text-align: center;
}

.contact-cta {
    text-align: center;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #213386 0%, #1e40af 100%);
    color: white;
    margin: 0;
}

.contact-cta h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #06b6d4;
}

.contact-cta p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    opacity: 0.95;
}

.contact-cta-btn {
    display: inline-block;
    padding: 0.8rem 2.5rem;
    background: #06b6d4;
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.contact-cta-btn:hover {
    background: #0891b2;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(6, 182, 212, 0.4);
}

/* About Us 响应式设计 */
@media (max-width: 1024px) {
    .about-two-column {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .about-stats-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .about-hero {
        padding: 3rem 1rem;
    }
    
    .about-hero-title {
        font-size: 2rem;
    }
    
    .about-hero-description {
        font-size: 1rem;
    }
    
    .about-story-section {
        padding: 3rem 1rem;
    }
    
    .about-two-column {
        gap: 2rem;
    }
    
    .about-section-wrapper {
        padding: 3rem 1rem;
    }
    
    .about-section-title,
    .about-section-title-center {
        font-size: 1.6rem;
    }
    
    .about-section-content,
    .about-section-subtitle,
    .about-subsection-description {
        font-size: 0.95rem;
    }
    
    .about-card {
        padding: 2rem;
    }
    
    .about-card h2 {
        font-size: 1.5rem;
    }
    
    .about-card p,
    .about-card li {
        font-size: 0.9rem;
    }
    
    .value-card {
        padding: 2rem;
    }
    
    .value-card h3 {
        font-size: 1.3rem;
    }
    
    .value-card p {
        font-size: 0.9rem;
    }
    
    .about-news-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .news-title {
        font-size: 0.8rem;
    }
    
    .about-subsection-title {
        font-size: 1.4rem;
    }
    
    .about-icon-circle {
        width: 80px;
        height: 80px;
    }
    
    .about-icon-circle svg {
        width: 50px;
        height: 50px;
    }
    
    .about-stats-section {
        padding: 3rem 1rem;
    }
    
    .about-stats-grid {
        gap: 2rem;
    }
    
    .about-stat-value {
        font-size: 2.5rem;
    }
    
    .about-stat-label,
    .about-stat-unit {
        font-size: 0.9rem;
    }
    
    .about-partners-section {
        padding: 3rem 1rem;
    }
    
    .contact-cta {
        padding: 3rem 1rem;
    }
    
    .contact-cta h2 {
        font-size: 1.6rem;
    }
    
    .contact-cta p {
        font-size: 1rem;
    }
    
    .contact-cta-btn {
        padding: 0.7rem 2rem;
        font-size: 0.95rem;
    }
    
    .footer-contact p {
        font-size: 0.8rem;
    }
    
    .footer-bottom {
        font-size: 0.75rem;
    }
    
    /* 返回顶部按钮移动端对齐 */
    .back-to-top {
        right: 1rem;
        width: 40px;
        height: 40px;
        bottom: 1.2rem;
    }
}