/* ========== 关于我们页面专属样式 ========== */

/* Banner区域 */
.about-banner {
    padding: 4rem 0 3rem;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    position: relative;
    overflow: hidden;
}

.about-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(37,99,235,0.15), transparent);
    border-radius: 50%;
}

.banner-breadcrumb {
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    color: var(--gray, #64748b);
}

.banner-breadcrumb a {
    color: var(--gray, #64748b);
    text-decoration: none;
}

.banner-breadcrumb a:hover {
    color: var(--secondary, #06b6d4);
}

.banner-breadcrumb span {
    color: var(--white, #ffffff);
}

.banner-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.banner-desc {
    font-size: 1.125rem;
    color: var(--gray, #64748b);
}

/* 公司简介 */
.company-intro {
    padding: 5rem 0;
    background: var(--dark, #0f172a);
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.section-tag {
    display: inline-block;
    background: rgba(37,99,235,0.15);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--secondary, #06b6d4);
    margin-bottom: 1rem;
}

.intro-content h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.intro-desc {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.intro-content p {
    color: var(--gray, #94a3b8);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.highlight {
    color: var(--secondary, #06b6d4);
    font-weight: 500;
}

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

.value-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--dark-light, #1e293b);
    padding: 1rem;
    border-radius: 0.75rem;
}

.value-icon {
    font-size: 1.5rem;
}

.value-item strong {
    display: block;
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.value-item span {
    font-size: 0.75rem;
    color: var(--gray, #64748b);
}

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

.stat-card {
    background: var(--dark-light, #1e293b);
    padding: 1.5rem;
    border-radius: 1rem;
    text-align: center;
    border: 1px solid rgba(37,99,235,0.1);
    transition: all 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary, #2563eb);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary, #06b6d4);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray, #64748b);
}

/* 核心定位 */
.core-positioning {
    padding: 5rem 0;
    background: var(--dark-light, #1e293b);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--gray, #64748b);
}

.gradient-text {
    background: linear-gradient(135deg, #2563eb, #06b6d4);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

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

.positioning-card {
    background: var(--dark, #0f172a);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    transition: all 0.3s;
}

.positioning-card.highlight {
    border: 1px solid var(--primary, #2563eb);
    transform: scale(1.02);
}

.positioning-card:hover {
    transform: translateY(-5px);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.positioning-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.positioning-card p {
    color: var(--gray, #64748b);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* 团队背景 */
.team-background {
    padding: 5rem 0;
    background: var(--dark, #0f172a);
}

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

.team-card {
    background: var(--dark-light, #1e293b);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    transition: all 0.3s;
}

.team-card:hover {
    transform: translateY(-5px);
}

.team-avatar {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.team-card h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.team-bio {
    color: var(--gray, #64748b);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.team-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.team-tags span {
    background: rgba(37,99,235,0.15);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.7rem;
    color: var(--secondary, #06b6d4);
}

/* 发展历程 */
.milestones {
    padding: 5rem 0;
    background: var(--dark-light, #1e293b);
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 120px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: rgba(37,99,235,0.3);
}

.timeline-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    position: relative;
}

.timeline-year {
    width: 100px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--secondary, #06b6d4);
    flex-shrink: 0;
    text-align: right;
}

.timeline-content {
    flex: 1;
    background: var(--dark, #0f172a);
    padding: 1.25rem 1.5rem;
    border-radius: 1rem;
    margin-left: 2rem;
}

.timeline-content h4 {
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: var(--gray, #64748b);
    font-size: 0.875rem;
    margin: 0;
}

/* 合作伙伴 */
.partners {
    padding: 5rem 0;
    background: var(--dark, #0f172a);
}

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

.partner-group h4 {
    margin-bottom: 1rem;
    font-size: 1rem;
    color: var(--secondary, #06b6d4);
}

.partner-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.partner-tags span {
    background: var(--dark-light, #1e293b);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.875rem;
    color: var(--white, #ffffff);
    transition: all 0.3s;
}

.partner-tags span:hover {
    background: var(--primary, #2563eb);
}

/* 联系我们 */
.contact-info-section {
    padding: 5rem 0;
    background: var(--dark-light, #1e293b);
}

.contact-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--dark, #0f172a);
    border-radius: 1.5rem;
    overflow: hidden;
    border: 1px solid rgba(37,99,235,0.2);
}

.contact-left {
    padding: 3rem;
    background: linear-gradient(135deg, #0f172a, #1e293b);
}

.contact-left h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.contact-left > p {
    color: var(--gray, #64748b);
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.detail-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.detail-icon {
    font-size: 1.25rem;
}

.detail-item strong {
    display: block;
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.detail-item a,
.detail-item span {
    color: var(--gray, #64748b);
    text-decoration: none;
    font-size: 0.875rem;
}

.detail-item a:hover {
    color: var(--secondary, #06b6d4);
}

.contact-right {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.qrcode-area {
    margin-bottom: 2rem;
}

.qrcode-placeholder {
    width: 180px;
    height: 180px;
    background: var(--dark-light, #1e293b);
    border-radius: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(37,99,235,0.3);
}

.qrcode-icon {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.qrcode-placeholder p {
    font-size: 0.75rem;
    color: var(--gray, #64748b);
}

.qrcode-note {
    font-size: 0.7rem;
    color: var(--secondary, #06b6d4);
}

.work-time-badge {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.badge {
    background: rgba(37,99,235,0.15);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.75rem;
    color: var(--secondary, #06b6d4);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .intro-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .positioning-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .partner-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .contact-card {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 50px;
    }
    
    .timeline-year {
        width: 60px;
        font-size: 1rem;
    }
    
    .timeline-content {
        margin-left: 1rem;
    }
}

@media (max-width: 768px) {
    .about-banner {
        padding: 2rem 0;
    }
    
    .banner-content h1 {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .intro-content h2 {
        font-size: 1.5rem;
    }
    
    .core-values {
        grid-template-columns: 1fr;
    }
    
    .intro-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .timeline {
        margin-left: 0;
    }
    
    .timeline::before {
        display: none;
    }
    
    .timeline-item {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .timeline-year {
        text-align: left;
        width: auto;
    }
    
    .timeline-content {
        margin-left: 0;
    }
    
    .contact-left,
    .contact-right {
        padding: 1.5rem;
    }
}