/* 页面头部 */
.page-header {
    background: var(--gradient);
    color: white;
    padding: 6rem 0 4rem;
    text-align: center;
    margin-top: 60px;
}

/* 关于我们页面容器约束 */
.about-page .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.page-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
}

/* 公司简介区域 */
.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
    max-width: 100%;
}

.about-content {
    max-width: 100%;
    overflow-wrap: break-word;
}

.about-content .section-title {
    text-align: left;
}

.company-intro p {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
    max-width: 100%;
}

.stat-item {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-light);
    font-size: 0.9rem;
}

.about-image {
    display: flex;
    justify-content: center;
}

.company-visual {
    width: 100%;
    max-width: 500px;
    height: 500px;
    background: var(--gradient);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.company-visual img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 12px;
}

.visual-element {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.element-1 {
    width: 300px;
    height: 300px;
    top: -50px;
    left: -50px;
    animation: float1 8s ease-in-out infinite;
}

.element-2 {
    width: 200px;
    height: 200px;
    bottom: -30px;
    right: -30px;
    animation: float2 10s ease-in-out infinite;
}

.element-3 {
    width: 150px;
    height: 150px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 255, 255, 0.15);
    animation: pulse 4s ease-in-out infinite;
}

.visual-text {
    text-align: center;
    color: white;
    z-index: 10;
}

.visual-text h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.visual-text p {
    opacity: 0.9;
}

@keyframes float1 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, 30px); }
}

@keyframes float2 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-30px, -30px); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.5; transform: translate(-50%, -50%) scale(1.1); }
}

/* 核心优势区域 */
.advantage-section {
    background: var(--bg-light);
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 100%;
}

.advantage-card {
    max-width: 100%;
    box-sizing: border-box;
}

.advantage-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.advantage-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.advantage-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* 业务模式区域 */
.business-section {
    background: var(--bg-white);
}

.business-container {
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}

.business-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
    flex-wrap: wrap;
}

.business-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.tab-btn {
    padding: 1rem 2rem;
    border: none;
    background: none;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
}

.tab-btn::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.tab-btn:hover {
    color: var(--primary-color);
}

.tab-btn.active {
    color: var(--primary-color);
}

.tab-btn.active::after {
    transform: scaleX(1);
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-content.active {
    display: block;
}

.business-detail h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.business-detail p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-light);
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 发展规划区域 */
.roadmap-section {
    background: var(--bg-light);
}

.roadmap-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    width: 100%;
    box-sizing: border-box;
}

.roadmap-item {
    display: flex;
    gap: 2rem;
    padding: 2rem 0;
    position: relative;
    max-width: 100%;
}

.roadmap-timeline::before {
    content: '';
    position: absolute;
    left: 100px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.roadmap-item {
    display: flex;
    gap: 2rem;
    padding: 2rem 0;
    position: relative;
}

.roadmap-item:last-child {
    padding-bottom: 0;
}

.roadmark-marker {
    flex: 0 0 200px;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.marker-dot {
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.2);
    z-index: 1;
}

.marker-label {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.roadmap-content {
    flex: 1;
    padding-left: 2rem;
    border-left: 2px solid var(--primary-color);
    margin-left: -10px;
}

.roadmap-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

.roadmap-content p {
    color: var(--text-light);
    line-height: 1.8;
}

/* 团队文化区域 */
.culture-section {
    background: var(--bg-white);
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 100%;
}

.culture-card {
    max-width: 100%;
    box-sizing: border-box;
}

.culture-card {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--bg-light);
    border-radius: 12px;
    transition: all 0.3s;
}

.culture-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.culture-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.culture-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.culture-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* 联系信息区域 */
.contact-info-section {
    background: var(--bg-light);
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 100%;
}

.contact-card {
    max-width: 100%;
    box-sizing: border-box;
    overflow-wrap: break-word;
}

.contact-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.contact-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.contact-card p {
    color: var(--text-light);
}

/* 响应式设计 */