.page-hero {
    position: relative;
    padding: 160px 0 80px;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-darker) 50%, var(--primary-dark) 100%);
    overflow: hidden;
}

.page-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.page-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 24px;
    font-size: 14px;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
}

.breadcrumb a:hover {
    color: white;
}

.breadcrumb span {
    color: rgba(255, 255, 255, 0.5);
}

.page-title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.page-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: rgba(255, 255, 255, 0.8);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-intro {
    padding: 100px 0;
    background: var(--bg-white);
}

.about-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: stretch;
}

.about-intro-image .image-placeholder {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-intro-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    display: flex;
}

.about-intro-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
    flex-shrink: 0;
}

.image-placeholder.about-large {
    width: 100%;
    height: 500px;
    background: linear-gradient(135deg, var(--primary-darker) 0%, var(--primary-color) 50%, var(--primary-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.image-placeholder.about-large::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(220, 38, 38, 0.1) 0%, transparent 60%);
}

.image-placeholder.about-large svg {
    width: 120px;
    height: 120px;
    color: white;
    position: relative;
    z-index: 1;
}

.about-intro-content .section-title {
    text-align: left;
    margin-bottom: 24px;
}

.about-intro-content .section-title::after {
    left: 0;
    transform: none;
}

.about-intro-content p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
    text-align: justify;
  	overflow-wrap: break-word;
}

.about-intro-content p:last-child {
    margin-bottom: 0;
}

.company-stats {
    padding: 80px 0;
    background: var(--bg-light);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.stat-card {
    text-align: center;
    padding: 40px 24px;
    background: var(--bg-white);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-red);
}

.stat-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: 16px;
    margin: 0 auto 24px;
    transition: var(--transition);
}

.stat-card:hover .stat-icon {
    background: linear-gradient(135deg, var(--accent-red) 0%, var(--accent-red-light) 100%);
}

.stat-icon svg {
    width: 36px;
    height: 36px;
    color: white;
}

.stat-number {
    font-size: 42px;
    font-weight: 700;
    color: var(--accent-red);
    margin-bottom: 8px;
    line-height: 1;
}

.stat-label {
    font-size: 15px;
    color: var(--text-secondary);
    font-weight: 500;
}

.values-section {
    padding: 100px 0;
    background: var(--bg-white);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.value-card {
    padding: 40px 32px;
    background: var(--bg-light);
    border-radius: 16px;
    transition: var(--transition);
    border: 1px solid transparent;
}

.value-card:hover {
    background: var(--bg-white);
    border-color: var(--accent-red);
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.value-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: 12px;
    margin-bottom: 24px;
    transition: var(--transition);
}

.value-card:hover .value-icon {
    background: linear-gradient(135deg, var(--accent-red) 0%, var(--accent-red-light) 100%);
}

.value-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.value-card h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.value-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.timeline-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--accent-red) 100%);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 60px;
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-year {
    width: 50%;
    padding: 0 40px;
    text-align: right;
}

.timeline-item:nth-child(odd) .timeline-year {
    text-align: left;
}

.timeline-year span {
    display: inline-block;
    padding: 12px 28px;
    background: var(--accent-red);
    color: white;
    font-size: 24px;
    font-weight: 700;
    border-radius: 30px;
    box-shadow: 0 4px 14px rgba(220, 38, 38, 0.3);
}

.timeline-content {
    width: 50%;
    padding: 0 40px;
}

.timeline-content h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.timeline-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.timeline-item::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: var(--accent-red);
    border: 4px solid var(--bg-white);
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--accent-red-lighter);
    z-index: 1;
}

.leadership-section {
    padding: 100px 0;
    background: var(--bg-white);
}

.leadership-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.leader-card {
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.leader-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-red);
}

.leader-avatar {
    padding: 40px 40px 0;
}

.avatar-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.leader-card:hover .avatar-placeholder {
    background: linear-gradient(135deg, var(--accent-red) 0%, var(--accent-red-light) 100%);
}

.avatar-placeholder svg {
    width: 80px;
    height: 80px;
    color: white;
}

.leader-info {
    padding: 24px;
    text-align: center;
}

.leader-info h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.leader-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--accent-red);
    margin-bottom: 12px;
}

.leader-bio {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.cta-section {
    position: relative;
    padding: 60px 0;
    overflow: hidden;
    isolation: isolate;
    /* 深蓝多层渐变：左上太空黑 → 中部军工蓝 → 右下科技青 */
    background:
        radial-gradient(1000px 500px at 85% 110%, rgba(56,189,248,0.22) 0%, rgba(56,189,248,0) 55%),
        radial-gradient(800px 450px at 10% -20%, rgba(59,130,246,0.35) 0%, rgba(59,130,246,0) 55%),
        linear-gradient(135deg, #060e24 0%, #0a2540 35%, #0e3a73 70%, #0e4a8e 100%);
}

/* 科技细网格蒙版 */
.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(148, 163, 184, 0.10) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.10) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: linear-gradient(180deg, rgba(0,0,0,0.0) 0%, rgba(0,0,0,0.9) 45%, rgba(0,0,0,0.9) 55%, rgba(0,0,0,0.0) 100%);
    -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,0.0) 0%, rgba(0,0,0,0.9) 45%, rgba(0,0,0,0.9) 55%, rgba(0,0,0,0.0) 100%);
    opacity: 0.7;
    z-index: 0;
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
}

.cta-content h2 {
    font-size: clamp(24px, 3vw, 40px);
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
    color: #f8fafc;
    text-shadow: 0 2px 24px rgba(56,189,248,0.18);
}

.cta-content p {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-cta-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 36px;
    background: var(--accent-red);
    color: white;
    font-size: 16px;
    font-weight: 600;
    border-radius: 6px;
    transition: var(--transition);
    box-shadow: 0 4px 14px rgba(220, 38, 38, 0.35);
}

.btn-cta-primary:hover {
    background: var(--accent-red-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(220, 38, 38, 0.45);
}

.btn-cta-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 36px;
    background: transparent;
    color: white;
    font-size: 16px;
    font-weight: 600;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 6px;
    transition: var(--transition);
}

.btn-cta-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
    transform: translateY(-2px);
}

@media (max-width: 1024px) {
    .about-intro-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .image-placeholder.about-large {
        height: 400px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item,
    .timeline-item:nth-child(odd) {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 70px;
    }
    
    .timeline-year,
    .timeline-item:nth-child(odd) .timeline-year {
        width: 100%;
        padding: 0 0 16px 0;
        text-align: left;
    }
    
    .timeline-content {
        width: 100%;
        padding: 0;
    }
    
    .timeline-item::after {
        left: 30px;
    }
    
    .leadership-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .leadership-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-actions {
        flex-direction: column;
    }
    
    .btn-cta-primary,
    .btn-cta-secondary {
        width: 100%;
    }
}
