/* ========================================
   About Page Styles - 关于我们页面样式
   ======================================== */

/* ========================================
   关于我们介绍区域
   ======================================== */
.about-intro-area {
    padding: 80px 0;
    background: #fff;
}

.about-intro-area .section-title {
    margin-bottom: 40px;
}

.about-intro-area .section-title h2 {
    font-size: 36px;
    font-weight: 700;
    color: #232323;
    margin-bottom: 15px;
}

.about-intro-area .section-title h2 span {
    color: #0078d4;
}

.about-intro-area .section-title p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
}

.about-intro-text {
    padding-right: 30px;
}

.about-intro-text p {
    font-size: 16px;
    line-height: 1.9;
    color: #555;
    margin-bottom: 20px;
}

.about-intro-text .highlight-text {
    font-size: 18px;
    color: #0078d4;
    font-weight: 500;
    border-left: 4px solid #0078d4;
    padding-left: 20px;
    margin: 25px 0;
}

.about-intro-image {
    position: relative;
}

.about-intro-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.about-intro-image .experience-badge {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: #0078d4;
    color: #fff;
    padding: 25px 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,120,212,0.3);
}

.about-intro-image .experience-badge h3 {
    font-size: 42px;
    font-weight: 700;
    margin: 0;
    line-height: 1;
}

.about-intro-image .experience-badge span {
    font-size: 14px;
    display: block;
    margin-top: 5px;
}

/* ========================================
   核心价值区域
   ======================================== */
.core-values-area {
    padding: 80px 0;
    background: #f8f9fa;
}

.core-values-area .section-title {
    text-align: center;
    margin-bottom: 50px;
}

.core-values-area .section-title h2 {
    font-size: 32px;
    font-weight: 700;
    color: #232323;
    margin-bottom: 15px;
}

.core-values-area .section-title p {
    font-size: 16px;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

.value-card {
    background: #fff;
    border-radius: 10px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid #eee;
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
    border-color: #0078d4;
}

.value-card .icon {
    width: 80px;
    height: 80px;
    line-height: 80px;
    background: #e8f4fc;
    border-radius: 50%;
    margin: 0 auto 25px;
    font-size: 32px;
    color: #0078d4;
    transition: all 0.3s ease;
}

.value-card:hover .icon {
    background: #0078d4;
    color: #fff;
}

.value-card h4 {
    font-size: 20px;
    font-weight: 600;
    color: #232323;
    margin-bottom: 15px;
}

.value-card p {
    font-size: 14px;
    color: #666;
    line-height: 1.7;
    margin: 0;
}

/* ========================================
   发展历程区域
   ======================================== */
.history-area {
    padding: 80px 0;
    background: #fff;
}

.history-area .section-title {
    text-align: center;
    margin-bottom: 50px;
}

.history-area .section-title h2 {
    font-size: 32px;
    font-weight: 700;
    color: #232323;
}

.timeline {
    position: relative;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: #e0e0e0;
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
}

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

.timeline-item .timeline-content {
    width: 45%;
    padding: 25px 30px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    border: 1px solid #eee;
    position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: auto;
}

.timeline-item .timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: #0078d4;
    border-radius: 50%;
    border: 4px solid #fff;
    box-shadow: 0 0 0 4px #0078d4;
    z-index: 1;
}

.timeline-item .timeline-year {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    font-weight: 700;
    color: #0078d4;
    background: #e8f4fc;
    padding: 8px 16px;
    border-radius: 20px;
}

.timeline-item:nth-child(odd) .timeline-year {
    right: 55%;
}

.timeline-item:nth-child(even) .timeline-year {
    left: 55%;
}

.timeline-content h4 {
    font-size: 18px;
    font-weight: 600;
    color: #232323;
    margin-bottom: 10px;
}

.timeline-content p {
    font-size: 14px;
    color: #666;
    line-height: 1.7;
    margin: 0;
}

/* ========================================
   团队介绍区域
   ======================================== */
.team-area {
    padding: 80px 0;
    background: #f8f9fa;
}

.team-area .section-title {
    text-align: center;
    margin-bottom: 50px;
}

.team-area .section-title h2 {
    font-size: 32px;
    font-weight: 700;
    color: #232323;
    margin-bottom: 15px;
}

.team-area .section-title p {
    font-size: 16px;
    color: #666;
}

.team-intro-box {
    background: #fff;
    border-radius: 10px;
    padding: 40px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    border: 1px solid #eee;
    height: 100%;
}

.team-intro-box h4 {
    font-size: 22px;
    font-weight: 600;
    color: #232323;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #0078d4;
    display: inline-block;
}

.team-intro-box p {
    font-size: 15px;
    color: #555;
    line-height: 1.8;
    margin-bottom: 15px;
}

.team-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 30px;
}

.stat-item {
    text-align: center;
    flex: 1;
    min-width: 120px;
}

.stat-item .number {
    font-size: 42px;
    font-weight: 700;
    color: #0078d4;
    line-height: 1;
}

.stat-item .label {
    font-size: 14px;
    color: #666;
    margin-top: 10px;
}

/* ========================================
   资质证书区域
   ======================================== */
.certification-area {
    padding: 80px 0;
    background: #fff;
}

.certification-area .section-title {
    text-align: center;
    margin-bottom: 50px;
}

.certification-area .section-title h2 {
    font-size: 32px;
    font-weight: 700;
    color: #232323;
}

.cert-card {
    background: #fff;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    border: 1px solid #eee;
    transition: all 0.3s ease;
    height: 100%;
}

.cert-card:hover {
    border-color: #0078d4;
    transform: translateY(-5px);
}

.cert-card .cert-icon {
    width: 70px;
    height: 70px;
    line-height: 70px;
    background: #e8f4fc;
    border-radius: 10px;
    margin: 0 auto 20px;
    font-size: 28px;
    color: #0078d4;
}

.cert-card h5 {
    font-size: 16px;
    font-weight: 600;
    color: #232323;
    margin-bottom: 10px;
}

.cert-card p {
    font-size: 13px;
    color: #888;
    margin: 0;
}

/* ========================================
   CTA 区域
   ======================================== */
.about-cta-area {
    padding: 80px 0;
    background: #0078d4;
    text-align: center;
}

.about-cta-area h2 {
    font-size: 32px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 15px;
}

.about-cta-area p {
    font-size: 16px;
    color: rgba(255,255,255,0.9);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.about-cta-area .btn-cta {
    display: inline-block;
    background: #fff;
    color: #0078d4;
    padding: 15px 40px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid #fff;
}

.about-cta-area .btn-cta:hover {
    background: transparent;
    color: #fff;
}

/* ========================================
   响应式适配
   ======================================== */
@media (max-width: 991px) {
    .about-intro-text {
        padding-right: 0;
        margin-bottom: 40px;
    }
    
    .about-intro-image .experience-badge {
        left: 20px;
        bottom: 20px;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item .timeline-content {
        width: calc(100% - 80px);
        margin-left: 80px !important;
    }
    
    .timeline-item .timeline-dot {
        left: 30px;
    }
    
    .timeline-item .timeline-year {
        left: 60px !important;
        right: auto !important;
        top: -30px;
        transform: none;
    }
}

@media (max-width: 768px) {
    .about-intro-area,
    .core-values-area,
    .history-area,
    .team-area,
    .certification-area,
    .about-cta-area {
        padding: 60px 0;
    }
    
    .about-intro-area .section-title h2,
    .core-values-area .section-title h2,
    .history-area .section-title h2,
    .team-area .section-title h2,
    .certification-area .section-title h2 {
        font-size: 26px;
    }
    
    .about-cta-area h2 {
        font-size: 24px;
    }
    
    .about-intro-image .experience-badge h3 {
        font-size: 32px;
    }
    
    .value-card {
        margin-bottom: 20px;
    }
    
    .team-stats {
        gap: 20px;
    }
    
    .stat-item .number {
        font-size: 32px;
    }
}

@media (max-width: 576px) {
    .about-intro-image .experience-badge {
        padding: 15px 20px;
    }
    
    .about-intro-image .experience-badge h3 {
        font-size: 28px;
    }
    
    .timeline-item .timeline-content {
        padding: 20px;
    }
    
    .team-intro-box {
        padding: 25px;
    }
}