/* 关于我们页面专属样式 */

/* 公司简介 - 全新设计 */
.company-intro {
    background: linear-gradient(135deg, #f8fbff 0%, #f0f4ff 50%, #e8f2ff 100%);
    padding: 8rem 0;
    position: relative;
    overflow: hidden;
}

.company-intro::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(102, 126, 234, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(118, 75, 162, 0.06) 0%, transparent 50%),
        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='%23667eea' fill-opacity='0.02'%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") repeat;
}

.intro-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 5rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.intro-text {
    padding-right: 1rem;
}

.intro-description {
    font-size: 1.2rem;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 3.5rem;
    background: rgba(255, 255, 255, 0.7);
    padding: 2.5rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 
        0 20px 40px rgba(102, 126, 234, 0.08),
        0 8px 16px rgba(0, 0, 0, 0.04);
    position: relative;
}

.intro-description::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 4rem;
    color: var(--primary-color);
    font-family: Georgia, serif;
    opacity: 0.3;
}

.intro-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.stat-item {
    text-align: center;
    padding: 2rem 1.5rem;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    box-shadow: 
        0 15px 35px rgba(102, 126, 234, 0.1),
        0 6px 12px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.stat-item:hover::before {
    transform: scaleX(1);
}

.stat-item:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: 
        0 25px 50px rgba(102, 126, 234, 0.15),
        0 10px 20px rgba(0, 0, 0, 0.08);
    border-color: rgba(102, 126, 234, 0.3);
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.8rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    line-height: 1;
}

.stat-number::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 3px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-item:hover .stat-number::after {
    opacity: 1;
}

.stat-label {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.intro-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.company-logo {
    position: relative;
    width: 300px;
    height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.company-logo::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: linear-gradient(45deg, 
        rgba(102, 126, 234, 0.1) 0%, 
        rgba(118, 75, 162, 0.08) 25%, 
        rgba(240, 147, 251, 0.06) 50%, 
        rgba(102, 126, 234, 0.08) 75%, 
        rgba(118, 75, 162, 0.1) 100%);
    border-radius: 50%;
    animation: logoGlow 6s ease-in-out infinite;
    z-index: 1;
}

@keyframes logoGlow {
    0%, 100% { 
        transform: scale(1) rotate(0deg);
        opacity: 0.5;
    }
    50% { 
        transform: scale(1.1) rotate(180deg);
        opacity: 0.8;
    }
}

.logo-circle {
    width: 240px;
    height: 240px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #667eea 100%);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 
        0 25px 50px rgba(102, 126, 234, 0.3),
        0 10px 20px rgba(0, 0, 0, 0.1),
        inset 0 2px 4px rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
    z-index: 2;
    transition: all 0.4s ease;
}

.logo-circle:hover {
    transform: scale(1.05);
    box-shadow: 
        0 35px 70px rgba(102, 126, 234, 0.4),
        0 15px 30px rgba(0, 0, 0, 0.15),
        inset 0 2px 4px rgba(255, 255, 255, 0.3);
}

.logo-circle::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(
        from 0deg, 
        transparent 0deg, 
        rgba(255, 255, 255, 0.2) 60deg, 
        rgba(255, 255, 255, 0.4) 120deg, 
        rgba(255, 255, 255, 0.2) 180deg, 
        transparent 240deg, 
        transparent 360deg
    );
    animation: logoRotate 8s linear infinite;
}

.logo-circle::after {
    content: '';
    position: absolute;
    inset: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    backdrop-filter: blur(10px);
}

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

.logo-text {
    font-size: 1.6rem;
    font-weight: 900;
    color: white;
    position: relative;
    z-index: 3;
    text-shadow: 
        0 2px 4px rgba(0, 0, 0, 0.3),
        0 4px 8px rgba(0, 0, 0, 0.2);
    text-align: center;
    line-height: 1.2;
    letter-spacing: 1px;
}

/* 添加装饰元素 */
.intro-visual::after {
    content: '';
    position: absolute;
    top: 20%;
    right: -10%;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border-radius: 50%;
    animation: floatUp 4s ease-in-out infinite;
    z-index: 1;
}

@keyframes floatUp {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-20px) scale(1.1); }
}

/* 响应式设计优化 */
@media (max-width: 1200px) {
    .intro-content {
        gap: 4rem;
    }
    
    .company-logo {
        width: 260px;
        height: 260px;
    }
    
    .logo-circle {
        width: 200px;
        height: 200px;
    }
    
    .logo-text {
        font-size: 1.4rem;
    }
}

@media (max-width: 1024px) {
    .company-intro {
        padding: 6rem 0;
    }
    
    .intro-content {
        grid-template-columns: 1fr;
        gap: 4rem;
        text-align: center;
    }
    
    .intro-text {
        padding-right: 0;
        order: 2;
    }
    
    .intro-visual {
        order: 1;
        margin-bottom: 2rem;
    }
    
    .intro-description {
        padding: 2rem;
        font-size: 1.1rem;
        margin-bottom: 3rem;
    }
    
    .intro-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.2rem;
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .company-intro {
        padding: 4rem 0;
    }
    
    .intro-content {
        gap: 3rem;
    }
    
    .company-logo {
        width: 220px;
        height: 220px;
    }
    
    .logo-circle {
        width: 180px;
        height: 180px;
    }
    
    .logo-text {
        font-size: 1.2rem;
    }
    
    .intro-description {
        padding: 1.8rem;
        font-size: 1rem;
        line-height: 1.7;
    }
    
    .intro-description::before {
        font-size: 3rem;
        top: -5px;
        left: 15px;
    }
    
    .stat-item {
        padding: 1.5rem 1rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
        margin-bottom: 0.6rem;
    }
    
    .stat-label {
        font-size: 0.9rem;
    }
    
    .intro-visual::after {
        display: none;
    }
}

@media (max-width: 480px) {
    .company-intro {
        padding: 3rem 0;
    }
    
    .intro-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
        max-width: 280px;
    }
    
    .stat-item {
        padding: 1.5rem;
    }
    
    .company-logo {
        width: 180px;
        height: 180px;
    }
    
    .logo-circle {
        width: 150px;
        height: 150px;
    }
    
    .logo-text {
        font-size: 1rem;
        letter-spacing: 0.5px;
    }
    
    .intro-description {
        padding: 1.5rem;
        font-size: 0.95rem;
        margin-bottom: 2.5rem;
    }
    
    .intro-description::before {
        font-size: 2.5rem;
        top: 0px;
        left: 10px;
    }
    
    .stat-number {
        font-size: 2.2rem;
    }
    
    .stat-label {
        font-size: 0.85rem;
    }
}

/* 使命愿景 */
.mission-vision {
    background: white;
    padding: 6rem 0;
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.mission-card {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(229, 231, 235, 0.5);
    position: relative;
    overflow: hidden;
}

.mission-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--bg-gradient);
    transform: scaleX(0);
    transition: var(--transition);
}

.mission-card:hover::before {
    transform: scaleX(1);
}

.mission-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji", sans-serif;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.card-description {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1rem;
}

/* 核心业务 */
.core-business {
    background: var(--bg-secondary);
    padding: 6rem 0;
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.business-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(229, 231, 235, 0.8);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.business-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--bg-gradient);
    transform: scaleY(0);
    transition: var(--transition);
}

.business-card:hover::before {
    transform: scaleY(1);
}

.business-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.business-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji", sans-serif;
}

.business-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.business-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.business-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.business-features li {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    border-radius: var(--border-radius-sm);
    border-left: 3px solid var(--primary-color);
    color: var(--text-secondary);
    transition: var(--transition);
}

.business-features li:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    transform: translateX(5px);
}

/* 技术实力 */
.tech-strength {
    background: white;
    padding: 6rem 0;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.tech-card {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(229, 231, 235, 0.5);
    position: relative;
    overflow: hidden;
}

.tech-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
}

.tech-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji", sans-serif;
}

.tech-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.tech-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.tech-badge {
    background: var(--bg-gradient);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
}

/* 荣誉奖项 */
.awards {
    background: var(--bg-secondary);
    padding: 6rem 0;
}

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

.awards-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--bg-gradient);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 3rem;
    position: relative;
}

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

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

.timeline-year {
    width: 100px;
    height: 100px;
    background: var(--bg-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
    flex-shrink: 0;
    z-index: 2;
    position: relative;
}

.timeline-content {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(229, 231, 235, 0.8);
    flex: 1;
    margin: 0 2rem;
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.timeline-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

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

/* 团队规模 */
.team-scale {
    background: white;
    padding: 6rem 0;
}

.scale-overview {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.scale-map {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(229, 231, 235, 0.5);
}

.scale-map h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.scale-map p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.cities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 0.75rem;
}

.city-tag {
    background: var(--bg-gradient);
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
    transition: var(--transition);
}

.city-tag:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.team-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.team-stat {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(229, 231, 235, 0.5);
    transition: var(--transition);
}

.team-stat:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
}

.stat-icon {
    font-size: 3rem;
    width: 80px;
    height: 80px;
    background: var(--bg-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-desc {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
}

/* 团队优势 */
.team-advantages {
    margin-top: 4rem;
}

/* 团队文化价值观 */
.team-culture {
    margin: 4rem 0;
    padding: 3rem 0;
}

.culture-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
}

.culture-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.culture-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.culture-values {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.value-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 16px;
    border: 1px solid rgba(102, 126, 234, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.value-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(237, 100, 166, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.value-item:hover::before {
    opacity: 1;
}

.value-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.15);
    border-color: var(--primary-color);
}

.value-icon {
    font-size: 2rem;
    min-width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
    position: relative;
    z-index: 1;
}

.value-content {
    flex: 1;
    position: relative;
    z-index: 1;
}

.value-content h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.value-content p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.culture-highlight {
    text-align: center;
    margin-top: 2rem;
}

.highlight-badge {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 2.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 20px;
    color: white;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
}

.highlight-badge:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.4);
}

.badge-icon {
    font-size: 2rem;
}

.badge-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
}

.badge-text strong {
    font-size: 1.1rem;
    font-weight: 700;
}

.badge-text span {
    font-size: 0.9rem;
    opacity: 0.9;
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.advantage-card {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(229, 231, 235, 0.5);
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--bg-gradient);
    transform: scaleX(0);
    transition: var(--transition);
}

.advantage-card:hover::before {
    transform: scaleX(1);
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
}

.advantage-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji", sans-serif;
}

.advantage-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.advantage-desc {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* 联系我们 - 全新设计 */
.contact-us {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #f1f5f9 100%);
    padding: 8rem 0;
    position: relative;
}

.contact-us::before {
    content: '';
    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='%23667eea' 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") repeat;
    opacity: 0.5;
}

.contact-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

/* 主要联系方式卡片 */
.contact-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin: 4rem 0 6rem 0;
    padding: 0 1rem;
}

.contact-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 
        0 10px 25px rgba(102, 126, 234, 0.1),
        0 4px 12px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.contact-card:hover::before {
    transform: scaleX(1);
}

.contact-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 
        0 25px 50px rgba(102, 126, 234, 0.15),
        0 10px 25px rgba(0, 0, 0, 0.1);
    border-color: rgba(102, 126, 234, 0.2);
}

.card-header {
    margin-bottom: 1.5rem;
}

.contact-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto 1.5rem;
    position: relative;
    transition: all 0.4s ease;
}

.contact-icon.business {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.contact-icon.partnership {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    box-shadow: 0 8px 25px rgba(240, 147, 251, 0.3);
}

.contact-icon.tech {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    box-shadow: 0 8px 25px rgba(79, 172, 254, 0.3);
}

.contact-card:hover .contact-icon {
    transform: rotateY(360deg) scale(1.1);
}

.card-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.card-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.card-highlight {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    color: var(--primary-color);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 2px solid rgba(102, 126, 234, 0.2);
    display: inline-block;
    transition: all 0.3s ease;
}

.contact-card:hover .card-highlight {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: scale(1.05);
}

/* 联系方式选项 */
.contact-options {
    margin: 6rem 0;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.method-item {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(8px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.method-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s ease;
}

.method-item:hover::after {
    left: 100%;
}

.method-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
    border-color: rgba(102, 126, 234, 0.3);
}

.method-item.primary-method {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.95), rgba(118, 75, 162, 0.95));
    color: white;
    border: none;
}

.method-item.primary-method h4,
.method-item.primary-method p {
    color: white;
}

.method-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.method-content h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.method-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-size: 0.95rem;
}

.method-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.method-btn.primary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.method-btn.primary:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.method-btn.wechat {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    color: var(--text-primary);
    border: 2px solid #e2e8f0;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.5rem;
}

.method-btn.wechat:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

.wechat-id {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.copy-hint {
    font-size: 0.8rem;
    opacity: 0.8;
}

/* 二维码容器 */
.qr-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.qr-code {
    width: 120px;
    height: 120px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
    object-fit: cover;
    background: white;
    padding: 8px;
}

.method-item:hover .qr-code {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.qr-hint {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* 服务承诺 */
.service-promise {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin-top: 4rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.promise-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
}

.promise-item:hover {
    transform: translateY(-3px);
    color: var(--primary-color);
}

.promise-icon {
    font-size: 1.5rem;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.promise-item:hover .promise-icon {
    background: var(--primary-color);
    transform: scale(1.2);
}

.promise-text {
    font-size: 0.95rem;
    white-space: nowrap;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .contact-cards {
        grid-template-columns: 1fr;
        gap: 2rem;
        max-width: 500px;
        margin: 3rem auto 5rem;
    }
    
    .contact-methods {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .service-promise {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .contact-us {
        padding: 5rem 0;
    }
    
    .contact-cards {
        padding: 0;
        margin: 2rem 0 4rem;
    }
    
    .contact-card {
        padding: 2rem;
        border-radius: 16px;
    }
    
    .contact-icon {
        width: 60px;
        height: 60px;
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .method-item {
        padding: 1.5rem;
    }
    
    .method-icon {
        font-size: 2.5rem;
    }
    
    .promise-item {
        justify-content: center;
    }
    
    .promise-text {
        white-space: normal;
        text-align: center;
    }
    

    
    .mission-grid,
    .business-grid,
    .tech-grid,
    .advantage-grid {
        grid-template-columns: 1fr;
    }
    
    .awards-timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        padding-left: 80px;
    }
    
    .timeline-item:nth-child(even) {
        flex-direction: row !important;
    }
    
    .timeline-year {
        width: 60px;
        height: 60px;
        font-size: 1rem;
        position: absolute;
        left: 0;
    }
    
    .timeline-content {
        margin: 0 0 0 1rem;
    }
    
    .scale-overview {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .cities-grid {
        grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
        gap: 0.5rem;
    }
    
    .team-stat {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
        padding: 1.5rem;
    }
    
    .stat-icon {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .cities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .city-tag {
        padding: 0.75rem;
        font-size: 0.85rem;
    }
    
    .team-stat {
        padding: 1.25rem;
    }
    
    .stat-num {
        font-size: 1.8rem;
    }
    
    /* 团队文化价值观响应式 */
    .culture-values {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .value-item {
        padding: 1.2rem;
    }
    
    .value-icon {
        min-width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .culture-title {
        font-size: 1.5rem;
    }
    
    .highlight-badge {
        padding: 1.2rem 2rem;
        flex-direction: column;
        text-align: center;
    }
    
    .badge-text {
        align-items: center;
    }
}

/* 核心价值观 */
.core-values {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 8rem 0;
    position: relative;
    overflow: hidden;
}

.core-values::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M50 10L60 40L90 40L68 58L78 88L50 70L22 88L32 58L10 40L40 40L50 10Z'/%3E%3C/g%3E%3C/svg%3E") repeat;
    opacity: 0.4;
}

.core-values .container {
    position: relative;
    z-index: 2;
}

.core-values .section-title {
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.core-values .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* 价值观主要内容 */
.values-main {
    text-align: center;
    margin: 4rem 0 6rem 0;
    padding: 3rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.values-motto {
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.motto-icon {
    font-size: 3rem;
    animation: sparkle 3s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% { transform: scale(1) rotate(0deg); }
    25% { transform: scale(1.1) rotate(5deg); }
    50% { transform: scale(1.05) rotate(-5deg); }
    75% { transform: scale(1.1) rotate(3deg); }
}

.values-description {
    font-size: 1.2rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    max-width: 800px;
    margin: 0 auto;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* 价值观卡片网格 */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 2.5rem;
    margin: 6rem 0;
}

.value-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.1),
        0 8px 16px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.value-card:hover::before {
    transform: scaleX(1);
}

.value-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.15),
        0 12px 24px rgba(0, 0, 0, 0.1);
    border-color: rgba(102, 126, 234, 0.3);
}

/* 价值观卡片头部 */
.value-header {
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
}

.value-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    position: relative;
    transition: all 0.4s ease;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

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

.value-icon.customer {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
}

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

.value-icon.collaboration {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    color: white;
}

.value-icon.responsibility {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    color: white;
}

.value-icon.growth {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    color: #333;
}

.value-card:hover .value-icon {
    transform: rotateY(360deg) scale(1.1);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.2);
}

.value-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.value-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.8;
}

/* 价值观卡片内容 */
.value-content {
    margin-bottom: 2rem;
}

.value-description {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.value-principles {
    list-style: none;
    padding: 0;
    margin: 0;
}

.value-principles li {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08) 0%, rgba(118, 75, 162, 0.08) 100%);
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    border-radius: 12px;
    border-left: 3px solid var(--primary-color);
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.value-principles li::before {
    content: '✓';
    color: var(--primary-color);
    font-weight: bold;
    margin-right: 0.5rem;
}

.value-principles li:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15) 0%, rgba(118, 75, 162, 0.15) 100%);
    transform: translateX(5px);
    border-left-color: var(--accent-color);
}

/* 价值观影响 */
.value-impact {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    padding: 1.5rem;
    border-radius: 16px;
    border: 2px solid rgba(102, 126, 234, 0.2);
    text-align: center;
    transition: all 0.3s ease;
}

.value-card:hover .value-impact {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: scale(1.02);
}

.impact-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.value-card:hover .impact-label {
    color: white;
}

.impact-text {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.value-card:hover .impact-text {
    color: white;
}

/* 价值观实践成果 */
.values-achievements {
    margin-top: 6rem;
    padding: 4rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.achievement-title {
    font-size: 2rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.achievement-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.achievement-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.achievement-item {
    background: rgba(255, 255, 255, 0.95);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
    transition: all 0.3s ease;
}

.achievement-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.achievement-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.achievement-data {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 1rem;
}

.achievement-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 0.5rem;
    background: var(--bg-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.achievement-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.achievement-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .values-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: 2rem;
    }
    
    .values-main,
    .values-achievements {
        padding: 2.5rem;
        margin: 3rem 0 4rem 0;
    }
    
    .values-motto {
        font-size: 2rem;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .achievement-stats {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .core-values {
        padding: 5rem 0;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .value-card {
        padding: 2rem;
        border-radius: 20px;
    }
    
    .value-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 1rem;
    }
    
    .value-icon svg {
        width: 36px;
        height: 36px;
    }
    
    .values-main {
        padding: 2rem;
        margin: 2rem 0 3rem 0;
    }
    
    .values-motto {
        font-size: 1.8rem;
    }
    
    .motto-icon {
        font-size: 2.5rem;
    }
    
    .values-description {
        font-size: 1rem;
    }
    
    .values-achievements {
        padding: 2rem;
        margin-top: 4rem;
    }
    
    .achievement-title {
        font-size: 1.6rem;
    }
    
    .achievement-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .achievement-item {
        padding: 1.5rem;
    }
    
    .achievement-number {
        font-size: 2rem;
    }
    
    .achievement-icon {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .values-main,
    .values-achievements {
        padding: 1.5rem;
    }
    
    .values-motto {
        font-size: 1.5rem;
    }
    
    .value-card {
        padding: 1.5rem;
    }
    
    .value-principles li {
        padding: 0.6rem 0.8rem;
        font-size: 0.9rem;
    }
    
    .value-impact {
        padding: 1.2rem;
    }
    
    .achievement-item {
        padding: 1.2rem;
    }
    
    .achievement-number {
        font-size: 1.8rem;
    }
}