/* Hero Banner */
.hero-banner {
    padding: 200px 0 150px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-banner::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"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></svg>');
    background-size: 200px;
    animation: float 20s infinite linear;
}

@keyframes float {
    0% { transform: translateY(0) rotate(0deg); }
    100% { transform: translateY(-100px) rotate(360deg); }
}

.hero-banner h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.hero-banner p {
    font-size: 1.5rem;
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

/* 通用section样式 */
.section {
    padding: 100px 0;
}

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

.section-title h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #0d6efd 0%, #0dcaf0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title p {
    font-size: 1.2rem;
    color: #666;
    margin-top: 15px;
}

.section-title .line {
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #0d6efd 0%, #0dcaf0 100%);
    margin: 0 auto;
    border-radius: 2px;
}

/* 核心价值 */
.values-section {
    background: #ffffff;
}

.value-card {
    padding: 40px 30px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #0d6efd 0%, #0dcaf0 100%);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

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

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    border-color: rgba(13, 110, 253, 0.1);
}

.value-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    font-size: 2.5rem;
    background: linear-gradient(135deg, #0d6efd 0%, #0dcaf0 100%);
    transition: all 0.4s ease;
}

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

.value-icon i {
    color: white;
}

.value-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #0d1117;
}

.value-card p {
    color: #666;
    line-height: 1.8;
    margin: 0;
}

/* 我们的故事 */
.story-section {
    background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
}

.story-content {
    font-size: 1.15rem;
    line-height: 2;
    color: #555;
}

.story-highlight {
    background: linear-gradient(135deg, #0d6efd 0%, #0dcaf0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

.story-image {
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.15);
    position: relative;
}

.story-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    border: 3px solid rgba(13, 110, 253, 0.2);
    border-radius: 30px;
    z-index: -1;
}

.story-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.story-image:hover img {
    transform: scale(1.05);
}

.story-photo-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 4rem;
}

/* 发展历程 - 时间线 */
.timeline-section {
    background: #ffffff;
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #0d6efd 0%, #0dcaf0 100%);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 60px;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: 0;
    margin-right: calc(50% + 40px);
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: calc(50% + 40px);
    margin-right: 0;
    text-align: left;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #0d6efd 0%, #0dcaf0 100%);
    border-radius: 50%;
    border: 4px solid white;
    box-shadow: 0 0 0 4px rgba(13, 110, 253, 0.2);
    z-index: 1;
    transition: all 0.3s ease;
}

.timeline-item:hover .timeline-dot {
    transform: translateX(-50%) scale(1.3);
    box-shadow: 0 0 0 8px rgba(13, 110, 253, 0.3);
}

.timeline-content {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    border: 2px solid transparent;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 20px;
    width: 0;
    height: 0;
    border-style: solid;
}

.timeline-item:nth-child(odd) .timeline-content::before {
    right: -20px;
    border-width: 10px 0 10px 20px;
    border-color: transparent transparent transparent white;
}

.timeline-item:nth-child(even) .timeline-content::before {
    left: -20px;
    border-width: 10px 20px 10px 0;
    border-color: transparent white transparent transparent;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    border-color: rgba(13, 110, 253, 0.2);
}

.timeline-year {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #0d6efd 0%, #0dcaf0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.timeline-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #0d1117;
}

.timeline-desc {
    color: #666;
    line-height: 1.8;
    margin-bottom: 0;
}

/* 时间线脉冲动画 */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(13, 110, 253, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(13, 110, 253, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(13, 110, 253, 0);
    }
}

.timeline-dot.pulse {
    animation: pulse 2s infinite;
}

/* 数据统计 */
.stats-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #0d6efd 0%, #0dcaf0 100%);
    color: white;
}

.stat-item {
    text-align: center;
    padding: 30px;
}

.stat-number {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1;
}

.stat-label {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* 设备展示 */
.equipment-section {
    background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
}

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.equipment-item {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.equipment-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.1) 0%, rgba(13, 202, 240, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 0;
}

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

.equipment-item:hover {
    transform: translateY(-15px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.15);
}

.equipment-image {
    height: 220px;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.equipment-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.equipment-item:hover .equipment-image img {
    transform: scale(1.1);
}

.equipment-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.3) 0%, rgba(13, 202, 240, 0.3) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.equipment-item:hover .equipment-image-overlay {
    opacity: 1;
}

.equipment-image-overlay i {
    font-size: 4rem;
    color: white;
    transform: scale(0);
    transition: transform 0.4s ease;
}

.equipment-item:hover .equipment-image-overlay i {
    transform: scale(1);
}

.equipment-info {
    padding: 30px;
    position: relative;
    z-index: 1;
}

.equipment-info h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #0d1117;
}

.equipment-info p {
    color: #666;
    margin: 0;
    line-height: 1.7;
    font-size: 0.95rem;
}

.equipment-badge {
    display: inline-block;
    padding: 5px 15px;
    background: linear-gradient(135deg, #0d6efd 0%, #0dcaf0 100%);
    color: white;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 15px;
}

/* 核心团队 */
.team-section {
    background: #ffffff;
}

.team-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
}

.team-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.15);
}

.team-photo {
    height: 350px;
    position: relative;
    overflow: hidden;
}

.team-photo-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: white;
}

.team-photo-1 .team-photo-placeholder {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.team-photo-2 .team-photo-placeholder {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.team-photo-3 .team-photo-placeholder {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.team-photo-4 .team-photo-placeholder {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.team-info {
    padding: 35px;
    text-align: center;
}

.team-info h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: #0d1117;
}

.team-info .position {
    color: #0d6efd;
    font-weight: 500;
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.team-info p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.7;
    font-size: 0.95rem;
}

.team-social {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.team-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0d6efd 0%, #0dcaf0 100%);
    color: white;
    transition: all 0.3s ease;
}

.team-social a:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(13, 110, 253, 0.4);
}

/* CTA */
.cta-section {
    background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
}

.cta-box {
    padding: 80px 60px;
    border-radius: 30px;
    background: linear-gradient(135deg, #0d6efd 0%, #0dcaf0 100%);
    color: white;
    text-align: center;
    box-shadow: 0 30px 80px rgba(13, 110, 253, 0.3);
    position: relative;
    overflow: hidden;
}

.cta-box::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 20s linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.cta-box > * {
    position: relative;
    z-index: 1;
}

.cta-box h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.cta-box p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.95;
}

.btn-white {
    background: white;
    color: #0d6efd;
    padding: 18px 50px;
    font-size: 1.2rem;
    font-weight: 600;
    border-radius: 50px;
    border: none;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-white:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    color: #0d6efd;
}