/* 关于我们页面专用样式 */

/* 页面头部 */
.page-header {
    background: linear-gradient(135deg, rgba(30, 60, 114, 0.95), rgba(42, 82, 152, 0.95)), 
                url('https://trae-api-sg.mchost.guru/api/ide/v1/text_to_image?prompt=modern%20office%20building%20shanghai%20business%20professional%20corporate%20atmosphere&image_size=landscape_16_9') center/cover;
    padding: 120px 0 80px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="15" height="15" patternUnits="userSpaceOnUse"><circle cx="7.5" cy="7.5" r="0.8" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>') repeat;
}

.page-header-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.header-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.page-header h1 {
    font-size: 3.2rem;
    font-weight: 300;
    margin-bottom: 25px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    letter-spacing: -0.5px;
}

.intro-paragraph {
    font-size: 1.2rem;
    line-height: 1.8;
    opacity: 0.95;
    font-weight: 300;
    margin-bottom: 20px;
}

.header-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 20px 25px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    min-width: 120px;
}

.stat-number {
    font-size: 2rem;
    font-weight: 600;
    display: block;
    color: #4ecdc4;
    text-shadow: 0 0 10px rgba(78, 205, 196, 0.3);
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-top: 5px;
}

/* 通用section样式 */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.8rem;
    margin-bottom: 15px;
    color: #2c3e50;
    position: relative;
    font-weight: 300;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #4ecdc4, #44a08d);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 使命与愿景 */
.mission-vision {
    padding: 100px 0;
    background: white;
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.mission-card {
    background: white;
    padding: 45px 35px;
    border-radius: 25px;
    text-align: center;
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.05);
}

.mission-card-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.mission-card-secondary {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
}

.mission-card-accent {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: white;
}

.mission-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 25px 50px rgba(0,0,0,0.15);
}

.card-decoration {
    position: absolute;
    top: -50px;
    right: -50px;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    opacity: 0.3;
}

.mission-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 30px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    color: white;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    backdrop-filter: blur(10px);
}

.mission-card h3 {
    font-size: 1.6rem;
    margin-bottom: 20px;
    font-weight: 500;
}

.mission-card p {
    line-height: 1.7;
    font-size: 1.05rem;
    opacity: 0.95;
}

/* 我们的特点 */
.our-features {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    background: white;
    padding: 45px 35px;
    border-radius: 25px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.05);
}

.feature-card-hover:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.12);
}

.feature-number {
    position: absolute;
    top: 20px;
    right: 25px;
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
}

.feature-icon {
    width: 85px;
    height: 85px;
    margin: 0 auto 30px;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    color: white;
    box-shadow: 0 10px 25px rgba(255, 107, 107, 0.3);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #2c3e50;
    font-weight: 500;
}

.feature-card p {
    color: #666;
    line-height: 1.7;
    font-size: 1.05rem;
}

/* 发展历程 */
.timeline-section {
    padding: 100px 0;
    background: white;
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, #667eea, #764ba2, #4ecdc4);
    transform: translateX(-50%);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 60px;
    width: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 60px;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 60px;
}

.timeline-content {
    background: white;
    padding: 35px;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    position: relative;
    border: 1px solid rgba(0,0,0,0.05);
}

.timeline-item:nth-child(odd) .timeline-content::after {
    content: '';
    position: absolute;
    right: -15px;
    top: 35px;
    width: 0;
    height: 0;
    border: 15px solid transparent;
    border-left-color: white;
}

.timeline-item:nth-child(even) .timeline-content::after {
    content: '';
    position: absolute;
    left: -15px;
    top: 35px;
    width: 0;
    height: 0;
    border: 15px solid transparent;
    border-right-color: white;
}

.timeline-year {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 25px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    padding: 12px 25px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
    z-index: 10;
}

.timeline-icon {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 70px;
    width: 50px;
    height: 50px;
    background: white;
    border: 4px solid #4ecdc4;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #4ecdc4;
    font-size: 1.2rem;
    z-index: 10;
    box-shadow: 0 5px 15px rgba(78, 205, 196, 0.2);
}

.timeline-content h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 1.4rem;
    font-weight: 500;
}

.timeline-content p {
    color: #666;
    line-height: 1.7;
    font-size: 1.05rem;
}

/* 我们的承诺 */
.our-commitment {
    padding: 100px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.our-commitment::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="hexagons" width="20" height="20" patternUnits="userSpaceOnUse"><polygon points="10,2 18,7 18,13 10,18 2,13 2,7" fill="none" stroke="%23ffffff" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23hexagons)"/></svg>') repeat;
}

.our-commitment .section-header {
    position: relative;
    z-index: 2;
}

.our-commitment .section-header h2 {
    color: white;
}

.our-commitment .section-header h2::after {
    background: linear-gradient(90deg, #4ecdc4, #44a08d);
}

.our-commitment .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

.commitment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    position: relative;
    z-index: 2;
}

.commitment-card {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(15px);
    padding: 45px 35px;
    border-radius: 25px;
    text-align: center;
    transition: all 0.4s ease;
    border: 1px solid rgba(255,255,255,0.2);
    position: relative;
    overflow: hidden;
}

.commitment-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.commitment-card:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.commitment-card:hover::before {
    opacity: 1;
}

.commitment-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #4ecdc4;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.commitment-enterprise .commitment-icon {
    color: #ffd700;
}

.commitment-candidate .commitment-icon {
    color: #ff6b6b;
}

.commitment-both .commitment-icon {
    color: #4ecdc4;
}

.commitment-card h3 {
    font-size: 1.6rem;
    margin-bottom: 20px;
    font-weight: 500;
}

.commitment-card p {
    line-height: 1.7;
    opacity: 0.95;
    font-size: 1.05rem;
    margin-bottom: 20px;
}

.commitment-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* 行动号召 */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23ffffff" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>') repeat;
}

.cta-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.cta-text h2 {
    font-size: 2.8rem;
    margin-bottom: 25px;
    font-weight: 300;
}

.cta-description {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
    line-height: 1.7;
}

.cta-features {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
}

.cta-feature i {
    color: #4ecdc4;
    font-size: 1.2rem;
}

.cta-action {
    text-align: center;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    background: linear-gradient(45deg, #4ecdc4, #44a08d);
    color: white;
    padding: 18px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(78, 205, 196, 0.3);
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(78, 205, 196, 0.4);
    background: linear-gradient(45deg, #44a08d, #4ecdc4);
}

.cta-note {
    margin-top: 15px;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .cta-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .cta-features {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .header-stats {
        gap: 20px;
    }
    
    .stat-item {
        min-width: 100px;
        padding: 15px 20px;
    }
    
    .mission-grid,
    .features-grid,
    .commitment-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        width: 100%;
        left: 0 !important;
        padding-left: 80px !important;
        padding-right: 20px !important;
    }
    
    .timeline-year {
        left: 30px;
        transform: none;
    }
    
    .timeline-icon {
        left: 30px;
        transform: none;
    }
    
    .timeline-content::after {
        display: none;
    }
    
    .section-header h2 {
        font-size: 2.2rem;
    }
    
    .cta-text h2 {
        font-size: 2.2rem;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: 80px 0 60px;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .header-stats {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .timeline-item {
        padding-left: 60px !important;
    }
    
    .timeline-year {
        font-size: 0.9rem;
        padding: 8px 15px;
    }
    
    .mission-card,
    .feature-card,
    .commitment-card {
        padding: 30px 25px;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .cta-features {
        flex-direction: column;
        align-items: center;
    }
}