/* 关于我们专用样式 - about.css */

/* 关于横幅 */
.about-banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 80px 0;
    margin-bottom: 30px;
    border-radius: 12px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.about-banner::before {
    content: '🏢';
    position: absolute;
    right: 10%;
    top: 50%;
    transform: translateY(-50%);
    font-size: 180px;
    opacity: 0.1;
}

.about-banner h1 {
    font-size: 42px;
    margin-bottom: 20px;
    font-weight: bold;
    position: relative;
    z-index: 1;
}

.about-banner p {
    font-size: 20px;
    opacity: 0.95;
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 公司简介 */
.about-intro {
    background-color: #fff;
    border-radius: 8px;
    padding: 50px;
    margin-bottom: 30px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.about-intro p {
    font-size: 16px;
    line-height: 2;
    color: #666;
    margin-bottom: 20px;
    text-indent: 2em;
}

.about-intro p:first-of-type {
    font-size: 18px;
    color: #333;
    font-weight: 500;
}

/* 核心价值 */
.core-values {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-bottom: 30px;
}

.value-card {
    background-color: #fff;
    border-radius: 8px;
    padding: 40px 25px;
    text-align: center;
    transition: all 0.3s;
    border: 2px solid #f0f0f0;
    position: relative;
    overflow: hidden;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    transition: all 0.4s;
}

.value-card:hover::before {
    left: 0;
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.15);
    border-color: #667eea;
}

.value-icon {
    font-size: 64px;
    margin-bottom: 20px;
    display: block;
}

.value-title {
    font-size: 20px;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
}

.value-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
}

/* 发展历程 */
.timeline-section {
    background-color: #fff;
    border-radius: 8px;
    padding: 50px;
    margin-bottom: 30px;
}

.timeline {
    position: relative;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
    transform: translateX(-50%);
}

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

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

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

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

.timeline-content {
    width: calc(50% - 40px);
    padding: 25px 30px;
    background-color: #f8f9fa;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
    text-align: left;
}

.timeline-year {
    font-size: 24px;
    font-weight: bold;
    color: #667eea;
    margin-bottom: 10px;
}

.timeline-title {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-bottom: 10px;
}

.timeline-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 30px;
    width: 20px;
    height: 20px;
    background-color: #667eea;
    border: 4px solid #fff;
    border-radius: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 0 4px #667eea33;
    z-index: 2;
}

/* 团队介绍 */
.team-section {
    background-color: #fff;
    border-radius: 8px;
    padding: 50px;
    margin-bottom: 30px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.team-member {
    text-align: center;
    padding: 30px 20px;
    background-color: #f8f9fa;
    border-radius: 8px;
    transition: all 0.3s;
}

.team-member:hover {
    background-color: #fff;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    transform: translateY(-5px);
}

.team-avatar {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: #fff;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.team-name {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-bottom: 8px;
}

.team-position {
    font-size: 14px;
    color: #999;
    margin-bottom: 12px;
}

.team-desc {
    font-size: 13px;
    color: #666;
    line-height: 1.6;
}

/* 荣誉资质 */
.honors-section {
    background-color: #fff;
    border-radius: 8px;
    padding: 50px;
    margin-bottom: 30px;
}

.honors-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.honor-card {
    padding: 30px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.honor-card:hover {
    border-color: #667eea;
    background: #fff;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.honor-icon {
    font-size: 72px;
    margin-bottom: 20px;
}

.honor-title {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-bottom: 10px;
}

.honor-date {
    font-size: 14px;
    color: #999;
}

/* 联系信息 */
.contact-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border-radius: 12px;
    padding: 60px 50px;
    margin-bottom: 30px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 30px;
}

.contact-item {
    background-color: rgba(255, 255, 255, 0.15);
    padding: 35px 30px;
    border-radius: 8px;
    backdrop-filter: blur(10px);
    transition: all 0.3s;
}

.contact-item:hover {
    background-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-5px);
}

.contact-item-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.contact-item-title {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 15px;
}

.contact-item-info {
    font-size: 16px;
    line-height: 1.8;
    opacity: 0.95;
}

/* 地图区域 */
.map-section {
    background-color: #fff;
    border-radius: 8px;
    padding: 50px;
    margin-bottom: 30px;
}

.map-container {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, #e0e7ff 0%, #f0e7ff 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #999;
    margin-top: 20px;
}

/* 合作伙伴 */
.partners-section {
    background-color: #fff;
    border-radius: 8px;
    padding: 50px;
    margin-bottom: 30px;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 30px;
    margin-top: 30px;
}

.partner-logo {
    height: 80px;
    background-color: #f8f9fa;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    transition: all 0.3s;
    border: 2px solid #f0f0f0;
    cursor: pointer;
}

.partner-logo:hover {
    background-color: #fff;
    border-color: #667eea;
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* 统计数据 */
.stats-section {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    color: #fff;
    border-radius: 12px;
    padding: 60px 50px;
    margin-bottom: 30px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-top: 30px;
}

.stat-item {
    text-align: center;
    padding: 30px 20px;
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

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

.stat-label {
    font-size: 16px;
    opacity: 0.95;
}

/* 响应式 */
@media (max-width: 768px) {
    .core-values {
        grid-template-columns: repeat(2, 1fr);
    }

    .timeline::before {
        left: 30px;
    }

    .timeline-item {
        flex-direction: column !important;
        padding-left: 60px;
    }

    .timeline-content {
        width: 100%;
        text-align: left !important;
    }

    .timeline-dot {
        left: 30px;
    }

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

    .honors-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .about-banner h1 {
        font-size: 32px;
    }

    .about-banner p {
        font-size: 16px;
    }

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

@media (max-width: 480px) {
    .core-values {
        grid-template-columns: 1fr;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }

    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
}