/* About页面特有样式 - PC端 */

/* Page Header */
.page-header {
    background: linear-gradient(135deg, #0052d9 0%, #05a8ff 100%);
    padding: 120px 40px 80px;
    text-align: center;
    color: white;
    margin-top: 70px;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(5%, 5%) rotate(5deg); }
    50% { transform: translate(0, 10%) rotate(0deg); }
    75% { transform: translate(-5%, 5%) rotate(-5deg); }
}

.page-header-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
}

.page-header-icon {
    width: 100px;
    height: 100px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    font-size: 48px;
    backdrop-filter: blur(10px);
}

.page-title {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-subtitle {
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 20px;
    opacity: 0.95;
}

.page-description {
    font-size: 18px;
    line-height: 1.8;
    opacity: 0.85;
    max-width: 700px;
    margin: 0 auto;
}

/* About Navigation */
.about-nav-section {
    background: white;
    padding: 25px 40px;
    position: sticky;
    top: 70px;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.about-nav-section.hidden {
    transform: translateY(-100%);
}

.about-nav-container {
    max-width: 1200px;
    margin: 0 auto;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.about-nav-container::-webkit-scrollbar {
    display: none;
}

.about-nav {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    min-width: max-content;
}

.about-nav-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: white;
    border: 2px solid #e5e7eb;
    color: #666;
    border-radius: 30px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.about-nav-btn:hover {
    border-color: #0052d9;
    color: #0052d9;
    background: #f0f4ff;
}

.about-nav-btn.active {
    background: linear-gradient(135deg, #0052d9 0%, #05a8ff 100%);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 20px rgba(0,82,217,0.3);
    transform: scale(1.05);
}

.about-nav-btn i {
    font-size: 18px;
}

/* About Content */
.about-content {
    background: white;
}

.about-section {
    display: none;
    padding: 60px 40px;
    animation: fadeIn 0.5s ease;
}

.about-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: #111;
    margin-bottom: 20px;
}

.section-desc {
    font-size: 18px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 40px;
}

/* Intro Section */
.intro-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 60px;
}

.intro-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: linear-gradient(135deg, #f0f4ff 0%, #f8f9ff 100%);
    padding: 25px;
    border-radius: 16px;
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateX(10px);
    border-color: #0052d9;
    box-shadow: 0 10px 30px rgba(0,82,217,0.1);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #0052d9 0%, #05a8ff 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: white;
    flex-shrink: 0;
}

.stat-number {
    font-size: 32px;
    font-weight: 800;
    color: #0052d9;
}

.stat-label {
    font-size: 14px;
    color: #666;
}

/* Business Units */
.units-title {
    font-size: 24px;
    font-weight: 700;
    color: #111;
    margin-bottom: 30px;
    text-align: center;
}

.units-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.unit-card {
    background: white;
    border-radius: 16px;
    padding: 35px;
    border: 2px solid #f0f0f0;
    transition: all 0.3s ease;
}

.unit-card:hover {
    border-color: #0052d9;
    box-shadow: 0 15px 50px rgba(0,82,217,0.1);
    transform: translateY(-5px);
}

.unit-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.unit-card h4 {
    font-size: 20px;
    font-weight: 700;
    color: #111;
    margin-bottom: 15px;
}

.unit-card p {
    font-size: 15px;
    line-height: 1.7;
    color: #666;
}

/* Intro Commitment */
.intro-commitment {
    display: flex;
    gap: 30px;
    background: linear-gradient(135deg, #0052d9 0%, #05a8ff 100%);
    padding: 40px;
    border-radius: 20px;
    color: white;
    align-items: flex-start;
}

.commitment-icon {
    width: 80px;
    height: 80px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    flex-shrink: 0;
}

.commitment-text h4 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
}

.commitment-text p {
    font-size: 16px;
    line-height: 1.8;
    opacity: 0.95;
}

/* Vision Section */
.vision-hero {
    text-align: center;
    margin-bottom: 60px;
}

.vision-quote {
    font-size: 28px;
    font-weight: 600;
    color: #0052d9;
    font-style: italic;
    margin-top: 20px;
}

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

.vision-card {
    background: #f8f9ff;
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    border: 2px solid #e5e7eb;
    transition: all 0.3s ease;
}

.vision-card:hover {
    background: white;
    border-color: #0052d9;
    box-shadow: 0 15px 50px rgba(0,82,217,0.1);
}

.vision-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, #0052d9 0%, #05a8ff 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 40px;
    color: white;
}

.vision-card h3 {
    font-size: 26px;
    font-weight: 700;
    color: #111;
    margin-bottom: 15px;
}

.vision-card p {
    font-size: 16px;
    line-height: 1.8;
    color: #666;
}

.core-title {
    font-size: 24px;
    font-weight: 700;
    color: #111;
    text-align: center;
    margin-bottom: 40px;
}

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

.core-item {
    background: white;
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    border: 2px solid #f0f0f0;
    transition: all 0.3s ease;
}

.core-item:hover {
    border-color: #0052d9;
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0,82,217,0.1);
}

.core-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #0052d9 0%, #05a8ff 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 30px;
    color: white;
}

.core-item h4 {
    font-size: 18px;
    font-weight: 700;
    color: #111;
    margin-bottom: 10px;
}

.core-item p {
    font-size: 14px;
    line-height: 1.6;
    color: #666;
}

/* History Timeline */
.history-header {
    text-align: center;
    margin-bottom: 60px;
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, #0052d9 0%, #05a8ff 100%);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -38px;
    top: 5px;
    width: 16px;
    height: 16px;
    background: #0052d9;
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 0 0 3px #0052d9;
}

.timeline-year {
    font-size: 28px;
    font-weight: 800;
    color: #0052d9;
    margin-bottom: 10px;
}

.timeline-content {
    background: #f8f9ff;
    border-radius: 12px;
    padding: 25px;
    border: 1px solid #e5e7eb;
}

.timeline-content h4 {
    font-size: 20px;
    font-weight: 700;
    color: #111;
    margin-bottom: 10px;
}

.timeline-content p {
    font-size: 15px;
    line-height: 1.7;
    color: #666;
}

.future-vision {
    background: linear-gradient(135deg, #0052d9 0%, #05a8ff 100%);
    border-radius: 20px;
    padding: 50px;
    text-align: center;
    color: white;
}

.future-icon {
    width: 80px;
    height: 80px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 36px;
}

.future-vision h3 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 15px;
}

.future-vision p {
    font-size: 16px;
    line-height: 1.8;
    opacity: 0.95;
}

/* Business Architecture */
.business-header {
    text-align: center;
    margin-bottom: 60px;
}

.eco-system {
    position: relative;
    margin-bottom: 60px;
}

.eco-center {
    text-align: center;
    padding: 50px;
    background: linear-gradient(135deg, #0052d9 0%, #05a8ff 100%);
    border-radius: 50%;
    width: 250px;
    height: 250px;
    margin: 0 auto 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 20px 60px rgba(0,82,217,0.3);
}

.eco-logo {
    width: 80px;
    height: 80px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    margin-bottom: 15px;
}

.eco-center h3 {
    font-size: 24px;
    font-weight: 700;
}

.eco-center p {
    font-size: 14px;
    opacity: 0.9;
}

.eco-cycle {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.eco-node {
    background: white;
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    border: 2px solid #f0f0f0;
    transition: all 0.3s ease;
}

.eco-node:hover {
    border-color: #0052d9;
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0,82,217,0.1);
}

.eco-node-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #0052d9 0%, #05a8ff 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 30px;
    color: white;
}

.eco-node h4 {
    font-size: 18px;
    font-weight: 700;
    color: #111;
    margin-bottom: 8px;
}

.eco-node p {
    font-size: 14px;
    color: #666;
}

.business-connection {
    text-align: center;
}

.connection-item {
    display: inline-flex;
    align-items: center;
    gap: 20px;
    background: #f8f9ff;
    padding: 25px 40px;
    border-radius: 50px;
    border: 2px solid #e5e7eb;
}

.connection-arrow {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #0052d9 0%, #05a8ff 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}

.connection-text h4 {
    font-size: 20px;
    font-weight: 700;
    color: #111;
    margin-bottom: 5px;
}

.connection-text p {
    font-size: 14px;
    color: #666;
}

/* Team Section */
.team-header {
    text-align: center;
    margin-bottom: 60px;
}

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

.team-card {
    display: flex;
    gap: 30px;
    background: white;
    border-radius: 16px;
    padding: 30px;
    border: 2px solid #f0f0f0;
    transition: all 0.3s ease;
}

.team-card:hover {
    border-color: #0052d9;
    box-shadow: 0 15px 50px rgba(0,82,217,0.1);
}

.team-avatar {
    width: 120px;
    height: 120px;
    border-radius: 12px;
    overflow: hidden;
    flex-shrink: 0;
}

.team-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-info {
    flex: 1;
}

.team-info h3 {
    font-size: 24px;
    font-weight: 700;
    color: #111;
    margin-bottom: 8px;
}

.team-position {
    font-size: 15px;
    font-weight: 600;
    color: #0052d9;
    margin-bottom: 12px;
}

.team-desc {
    font-size: 14px;
    line-height: 1.7;
    color: #666;
}

/* Culture Section */
.culture-header {
    text-align: center;
    margin-bottom: 60px;
}

.culture-spirit {
    background: linear-gradient(135deg, #111827 0%, #1f2937 100%);
    border-radius: 20px;
    padding: 60px;
    text-align: center;
    color: white;
    margin-bottom: 50px;
}

.spirit-quote {
    max-width: 700px;
    margin: 0 auto;
}

.spirit-quote i {
    font-size: 48px;
    opacity: 0.3;
    margin-bottom: 20px;
}

.spirit-quote p {
    font-size: 28px;
    font-weight: 600;
    line-height: 1.6;
}

.culture-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.culture-card {
    background: #f8f9ff;
    border-radius: 20px;
    padding: 40px;
    border: 2px solid #e5e7eb;
}

.culture-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #0052d9 0%, #05a8ff 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: white;
    margin-bottom: 25px;
}

.culture-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: #111;
    margin-bottom: 25px;
}

.culture-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.culture-item {
    padding-bottom: 20px;
    border-bottom: 1px solid #e5e7eb;
}

.culture-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.culture-item strong {
    display: block;
    font-size: 17px;
    font-weight: 700;
    color: #111;
    margin-bottom: 8px;
}

.culture-item p {
    font-size: 14px;
    line-height: 1.6;
    color: #666;
}

.slogan-section {
    text-align: center;
}

.slogan-title {
    font-size: 24px;
    font-weight: 700;
    color: #111;
    margin-bottom: 30px;
}

.slogan-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.slogan-item {
    background: white;
    border-radius: 16px;
    padding: 30px;
    border: 2px solid #f0f0f0;
    transition: all 0.3s ease;
}

.slogan-item:hover {
    border-color: #0052d9;
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0,82,217,0.1);
}

.slogan-item i {
    font-size: 32px;
    color: #0052d9;
    margin-bottom: 15px;
}

.slogan-item p {
    font-size: 14px;
    line-height: 1.7;
    color: #666;
}

/* Office Section */
.office-header {
    text-align: center;
    margin-bottom: 60px;
}

.office-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.office-card {
    background: white;
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    border: 2px solid #f0f0f0;
    position: relative;
    transition: all 0.3s ease;
}

.office-card:hover {
    border-color: #0052d9;
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(0,82,217,0.1);
}

.office-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #0052d9 0%, #05a8ff 100%);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.main-office {
    background: linear-gradient(135deg, #f0f4ff 0%, #f8f9ff 100%);
    border-color: #0052d9;
}

.office-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #0052d9 0%, #05a8ff 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 36px;
    color: white;
}

.office-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: #111;
    margin-bottom: 10px;
}

.office-address {
    font-size: 14px;
    color: #0052d9;
    font-weight: 500;
    margin-bottom: 15px;
}

.office-desc {
    font-size: 14px;
    line-height: 1.6;
    color: #666;
}

.future-office {
    background: linear-gradient(135deg, #0052d9 0%, #05a8ff 100%);
    border-radius: 20px;
    padding: 50px;
    text-align: center;
    color: white;
}

.future-office .future-icon {
    width: 80px;
    height: 80px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    margin: 0 auto 25px;
}

.future-office h3 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 15px;
}

.future-office p {
    font-size: 16px;
    line-height: 1.8;
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .intro-hero {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .units-grid,
    .vision-grid,
    .team-grid,
    .culture-cards {
        grid-template-columns: 1fr;
    }
    
    .core-grid,
    .eco-cycle,
    .slogan-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .office-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 90px 20px 50px;
        margin-top: 60px;
    }
    
    .page-title {
        font-size: 36px;
    }
    
    .page-subtitle {
        font-size: 18px;
    }
    
    .page-description {
        font-size: 16px;
    }
    
    .about-nav-section {
        padding: 15px 0;
        position: sticky;
        top: 60px;
    }
    
    .about-nav-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
        padding: 0 15px;
    }
    
    .about-nav-container::-webkit-scrollbar {
        display: none;
    }
    
    .about-nav {
        gap: 8px;
        flex-wrap: nowrap;
        justify-content: flex-start;
        padding-bottom: 5px;
    }
    
    .about-nav-btn {
        padding: 10px 18px;
        font-size: 13px;
        white-space: nowrap;
        flex-shrink: 0;
        min-width: auto;
    }
    
    .about-nav-btn i {
        font-size: 16px;
    }
    
    .about-section {
        padding: 40px 20px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .section-desc {
        font-size: 16px;
    }
    
    .stat-card {
        flex-direction: column;
        text-align: center;
    }
    
    .team-card {
        flex-direction: column;
        text-align: center;
    }
    
    .team-avatar {
        margin: 0 auto;
    }
    
    .core-grid,
    .eco-cycle,
    .slogan-grid {
        grid-template-columns: 1fr;
    }
    
    .intro-commitment {
        flex-direction: column;
        text-align: center;
    }
    
    .spirit-quote p {
        font-size: 22px;
    }
    
    .vision-quote {
        font-size: 20px;
    }
    
    .vision-card {
        padding: 30px 20px;
    }
    
    .vision-card h3 {
        font-size: 22px;
    }
    
    .vision-card p {
        font-size: 15px;
    }
    
    .timeline {
        padding-left: 30px;
    }
    
    .timeline::before {
        left: 10px;
    }
    
    .timeline-item::before {
        left: -28px;
        width: 12px;
        height: 12px;
    }
    
    .timeline-year {
        font-size: 22px;
    }
    
    .timeline-content {
        padding: 20px;
    }
    
    .timeline-content h4 {
        font-size: 18px;
    }
    
    .eco-center {
        width: 180px;
        height: 180px;
        padding: 30px;
    }
    
    .eco-logo {
        width: 60px;
        height: 60px;
        font-size: 30px;
    }
    
    .eco-center h3 {
        font-size: 20px;
    }
    
    .culture-spirit {
        padding: 40px 20px;
    }
    
    .spirit-quote i {
        font-size: 36px;
    }
    
    .culture-card {
        padding: 30px 20px;
    }
    
    .culture-card h3 {
        font-size: 20px;
    }
    
    .slogan-item {
        padding: 20px;
    }
    
    .office-card {
        padding: 30px 20px;
    }
    
    .office-icon {
        width: 60px;
        height: 60px;
        font-size: 28px;
    }
    
    .office-card h3 {
        font-size: 20px;
    }
    
    .future-vision,
    .future-office {
        padding: 40px 20px;
    }
    
    .future-icon {
        width: 60px;
        height: 60px;
        font-size: 28px;
    }
    
    .future-vision h3,
    .future-office h3 {
        font-size: 22px;
    }
    
    .future-vision p,
    .future-office p {
        font-size: 15px;
    }
    
    .intro-hero {
        gap: 30px;
    }
    
    .intro-text {
        text-align: center;
    }
    
    .units-title {
        font-size: 20px;
    }
    
    .unit-card {
        padding: 25px 20px;
    }
    
    .unit-icon {
        width: 60px;
        height: 60px;
        font-size: 26px;
    }
    
    .unit-card h4 {
        font-size: 18px;
    }
    
    .unit-card p {
        font-size: 14px;
    }
    
    .commitment-icon {
        width: 60px;
        height: 60px;
        font-size: 28px;
    }
    
    .commitment-text h4 {
        font-size: 20px;
    }
    
    .commitment-text p {
        font-size: 15px;
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 24px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .stat-label {
        font-size: 13px;
    }
    
    .team-avatar {
        width: 100px;
        height: 100px;
    }
    
    .team-info h3 {
        font-size: 20px;
    }
    
    .team-position {
        font-size: 14px;
    }
    
    .team-desc {
        font-size: 13px;
    }
    
    .core-icon {
        width: 60px;
        height: 60px;
        font-size: 26px;
    }
    
    .core-item h4 {
        font-size: 16px;
    }
    
    .core-item p {
        font-size: 13px;
    }
    
    .connection-item {
        flex-direction: column;
        padding: 20px;
        text-align: center;
    }
    
    .connection-arrow {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    
    .connection-text h4 {
        font-size: 18px;
    }
}