/* ========== 关于我们页面样式 ========== */
.about-hero {
    position: relative;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow: hidden;
}

.about-hero::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: rotate 30s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-content {
    text-align: center;
    color: white;
    position: relative;
}

.hero-content h1 {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 15px;
}

.hero-content > p {
    font-size: 24px;
    font-weight: 300;
    opacity: 0.9;
    margin-bottom: 50px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 16px;
    opacity: 0.8;
}

/* ========== 公司介绍 ========== */
.company-intro {
    padding: 100px 0;
    background: white;
}

.intro-content h2 {
    font-size: 36px;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 20px;
}

.intro-divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    margin-bottom: 30px;
}

.mission-text,
.vision-text {
    font-size: 17px !important;
    line-height: 1.8;
    color: #4a5568 !important;
    margin-bottom: 25px !important;
    font-weight: 400;
}

.intro-content > p {
    font-size: 16px;
    line-height: 1.8;
    color: #718096;
    margin-bottom: 20px;
}

.intro-features {
    margin-top: 30px;
    display: grid;
    gap: 15px;
}

.intro-features .feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    color: #2d3748;
}

.intro-features .feature-item i {
    color: #667eea;
    font-size: 20px;
}

.intro-image {
    padding: 20px;
}

.image-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 30px;
    padding: 60px 40px;
    text-align: center;
    color: white;
}

.image-card i {
    font-size: 80px;
    margin-bottom: 30px;
}

.image-card p {
    font-size: 18px;
    line-height: 1.8;
}

.qr-code-wrapper {
    margin-top: 30px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    text-align: center;
}

.intro-qr-code {
    width: 150px;
    height: 150px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    margin-bottom: 10px;
    background: white;
    padding: 8px;
}

.qr-code-text {
    font-size: 14px !important;
    color: rgba(255, 255, 255, 0.9) !important;
    margin: 0 !important;
    font-weight: 500;
}

/* ========== 为什么选择我们 ========== */
.why-choose-us {
    padding: 100px 0;
    background: #f7fafc;
}

.why-choose-us .section-header {
    text-align: center;
    margin-bottom: 60px;
}

.why-choose-us .section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 10px;
}

.why-choose-us .section-header > p {
    font-size: 16px;
    color: #718096;
}

.choose-item {
    text-align: center;
    padding: 40px 30px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
    margin-bottom: 30px;
}

.choose-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.choose-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: white;
    transition: all 0.3s ease;
}

.choose-item:hover .choose-icon {
    transform: scale(1.1);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}

.choose-item h4 {
    font-size: 20px;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 15px;
}

.choose-item > p {
    font-size: 15px;
    line-height: 1.7;
    color: #718096;
    margin: 0;
}

/* ========== 核心业务 ========== */
.core-business {
    padding: 100px 0;
    background: white;
}

.core-business .section-header {
    text-align: center;
    margin-bottom: 60px;
}

.core-business .section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 10px;
}

.core-business .section-header > p {
    font-size: 16px;
    color: #718096;
}

.business-card {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
    margin-bottom: 30px;
}

.business-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.business-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: white;
}

.business-card h4 {
    font-size: 20px;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 15px;
}

.business-card > p {
    font-size: 15px;
    line-height: 1.6;
    color: #718096;
    margin-bottom: 25px;
}

.btn-business {
    display: inline-block;
    padding: 10px 30px;
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    border: 2px solid #667eea;
    border-radius: 25px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-business:hover {
    background: #667eea;
    color: white;
}

/* ========== 客户证言 ========== */
.testimonials {
    padding: 100px 0;
    background: #f7fafc;
}

.testimonials .section-header {
    text-align: center;
    margin-bottom: 60px;
}

.testimonials .section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 10px;
}

.testimonials .section-header > p {
    font-size: 16px;
    color: #718096;
}

.testimonial-card {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
    position: relative;
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.testimonial-content {
    margin-bottom: 30px;
}

.testimonial-content p {
    font-size: 16px;
    line-height: 1.8;
    color: #4a5568;
    font-style: italic;
    position: relative;
    padding-left: 20px;
}

.testimonial-content p::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -10px;
    font-size: 50px;
    color: #667eea;
    opacity: 0.3;
    font-family: serif;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    flex-shrink: 0;
}

.author-info h5 {
    font-size: 16px;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 5px;
}

.author-info p {
    font-size: 14px;
    color: #718096;
    margin: 0;
}

/* ========== 联系我们 ========== */
.contact-us {
    padding: 100px 0;
    background: #f7fafc;
}

.contact-us .section-header {
    text-align: center;
    margin-bottom: 60px;
}

.contact-us .section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 10px;
}

.contact-us .section-header > p {
    font-size: 16px;
    color: #718096;
}

.contact-card {
    text-align: center;
    padding: 40px 30px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
}

.contact-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.contact-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: white;
}

.contact-card h4 {
    font-size: 20px;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 15px;
}

.contact-card > p {
    font-size: 18px;
    font-weight: 600;
    color: #667eea;
    margin-bottom: 10px;
}

.contact-card > span {
    font-size: 14px;
    color: #718096;
}

/* ========== 二维码样式 ========== */
.qr-code-container {
    margin: 15px 0;
    padding: 10px;
    background: #f8f9ff;
    border-radius: 15px;
    border: 2px dashed #667eea;
}

.qr-code-img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* ========== 响应式 ========== */
@media (max-width: 991px) {
    .about-hero {
        padding: 80px 0 60px;
    }
    
    .hero-content h1 {
        font-size: 42px;
    }
    
    .hero-content > p {
        font-size: 20px;
    }
    
    .hero-stats {
        gap: 40px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .company-intro,
    .core-business,
    .service-advantage,
    .contact-us {
        padding: 60px 0;
    }
    
    .intro-content h2 {
        font-size: 28px;
    }
    
    .core-business .section-header h2,
    .service-advantage .section-header h2,
    .contact-us .section-header h2 {
        font-size: 28px;
    }
}

@media (max-width: 767px) {
    .about-hero {
        padding: 60px 0 40px;
    }
    
    .hero-content h1 {
        font-size: 32px;
    }
    
    .hero-content > p {
        font-size: 18px;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 30px;
    }
    
    .stat-item {
        flex: 1 1 100%;
    }
    
    .stat-number {
        font-size: 42px;
    }
    
    .image-card {
        padding: 40px 30px;
    }
    
    .image-card i {
        font-size: 60px;
    }
    
    .business-card,
    .advantage-item,
    .contact-card {
        margin-bottom: 30px;
    }
}