/* 关于我们页面样式 */

/* 基础变量 */
:root {
    --primary-color: #2c5aa0;
    --secondary-color: #1e3d72;
    --accent-color: #4a90e2;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --light-color: #f8f9fa;
    --dark-color: #2c3e50;
    --text-color: #333;
    --text-light: #666;
    --text-muted: #999;
    --border-color: #e0e0e0;
    --shadow-light: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-medium: 0 4px 20px rgba(0,0,0,0.15);
    --shadow-heavy: 0 8px 30px rgba(0,0,0,0.2);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

/* 导航栏样式 - 高斯模糊和透明度效果 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(0, 0, 0, 0.12);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 70px;
    position: relative;
}

/* 页面主体 */
.main-content {
    padding-top: 80px;
}

/* 英雄区域 */
.hero-section {
    position: relative;
    height: 70vh;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: white;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 2;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 4;
    text-align: center;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    background: linear-gradient(45deg, #fff, #e3f2fd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    font-weight: 300;
}

.hero-philosophy {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.philosophy-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    min-width: 150px;
}

.philosophy-item:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.philosophy-icon {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.philosophy-text {
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
}

/* 通用区域样式 */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
    position: relative;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* 企业文化 */
.company-culture {
    background: var(--light-color);
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

/* 翻页卡片容器 */
.culture-card-container {
    perspective: 1000px;
    height: 400px;
}

.culture-card {
    background: transparent;
    width: 100%;
    height: 100%;
    position: relative;
    cursor: pointer;
    overflow: visible;
    border-radius: 20px;
    perspective: 1000px;
}

.culture-card.flipped .card-front {
    transform: rotateX(105deg) scale(0.95);
    opacity: 0;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3), 0 0 20px rgba(0,0,0,0.1);
}

.culture-card.flipped .card-back {
    transform: rotateX(0deg) scale(1);
    opacity: 1;
    box-shadow: 0 15px 35px rgba(0,0,0,0.2), 0 5px 15px rgba(0,0,0,0.1);
}

.card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
}

.card-front,
.card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 20px;
    transition: all 1.2s cubic-bezier(0.23, 1, 0.32, 1);
    transform-origin: top center;
    backface-visibility: hidden;
}

.card-front {
    background: white;
    padding: 3rem 2rem;
    text-align: center;
    overflow: hidden;
    transform: rotateX(0deg) scale(1);
    opacity: 1;
    z-index: 2;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15), 0 3px 10px rgba(0,0,0,0.1);
    transition: all 1.2s cubic-bezier(0.23, 1, 0.32, 1), 
                transform 1.2s cubic-bezier(0.23, 1, 0.32, 1),
                box-shadow 1.2s ease-out;
}

.card-back {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    transform: rotateX(-105deg) scale(0.95);
    opacity: 0;
    z-index: 1;
    border: 2px solid #e9ecef;
    box-shadow: 0 25px 50px rgba(0,0,0,0.4), 0 10px 20px rgba(0,0,0,0.2);
    transition: all 1.2s cubic-bezier(0.23, 1, 0.32, 1),
                transform 1.2s cubic-bezier(0.23, 1, 0.32, 1),
                box-shadow 1.2s ease-out;
}

/* 添加悬停时的呼吸感效果 - 只在未翻页和未翻页中状态时生效 */
.culture-card:hover:not(.flipped):not(.flipping) .card-front {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15), 0 8px 20px rgba(0,0,0,0.1);
    transition: all 0.4s ease-in-out;
}

/* 为整个卡片添加呼吸动画 - 只在未翻页和未翻页中状态时生效 */
.culture-card:hover:not(.flipped):not(.flipping) {
    animation: breathe 2s ease-in-out infinite;
}

@keyframes breathe {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
}

/* 翻书过程中的中间状态效果 */
.culture-card.flipping .card-front {
    transform: rotateX(45deg) scale(0.98);
    opacity: 0.7;
    box-shadow: 0 15px 35px rgba(0,0,0,0.25), 0 5px 15px rgba(0,0,0,0.15);
}

.culture-card.flipping .card-back {
    transform: rotateX(-45deg) scale(0.98);
    opacity: 0.3;
    box-shadow: 0 20px 40px rgba(0,0,0,0.35), 0 8px 18px rgba(0,0,0,0.25);
}

.card-back-image {
    width: 90%;
    height: 90%;
    object-fit: contain;
    border-radius: 15px;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
}

/* 保持原有的前面样式 */
.card-front::before {
    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 0.5s ease;
}

.culture-card:hover .card-front::before {
    left: 100%;
}

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

.culture-card:hover .card-front,
.culture-card:hover .card-back {
    box-shadow: var(--shadow-heavy);
}

.culture-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 2rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.responsibility-card .card-front h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.responsibility-card .card-front p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.culture-highlight {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--gradient-success);
    color: white;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* 点击波纹效果 */
.ripple-effect {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple-animation 0.6s linear;
    pointer-events: none;
    z-index: 10;
}

@keyframes ripple-animation {
    to {
        transform: scale(2);
        opacity: 0;
    }
}



/* 发展战略 */
.development-strategy {
    background: var(--light-color);
}

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

.strategy-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 4rem;
    position: relative;
}

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

.timeline-marker {
    width: 80px;
    height: 80px;
    background: white;
    border: 4px solid var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    flex-shrink: 0;
}

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

.timeline-content {
    flex: 1;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow-light);
    margin: 0 2rem;
    position: relative;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 50%;
    width: 0;
    height: 0;
    border: 15px solid transparent;
    transform: translateY(-50%);
}

.timeline-item:nth-child(odd) .timeline-content::before {
    right: -30px;
    border-left-color: white;
}

.timeline-item:nth-child(even) .timeline-content::before {
    left: -30px;
    border-right-color: white;
}

.timeline-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.timeline-content ul {
    list-style: none;
    padding: 0;
}

.timeline-content li {
    padding: 0.5rem 0;
    color: var(--text-light);
    position: relative;
    padding-left: 2rem;
}

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

/* 服务优势 */
.service-advantages {
    background: var(--light-color);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.advantage-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem 2rem;
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
    border-color: var(--accent-color);
}

.advantage-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.advantage-card:hover .advantage-icon {
    transform: scale(1.1);
    color: var(--accent-color);
}

.advantage-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.advantage-description {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.advantage-tag {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 特殊卡片样式 */
.advantage-card.quality {
    background: linear-gradient(135deg, #fff5f5 0%, #ffffff 100%);
}

.advantage-card.team {
    background: linear-gradient(135deg, #f0f8ff 0%, #ffffff 100%);
}

.advantage-card.innovation {
    background: linear-gradient(135deg, #f5fff5 0%, #ffffff 100%);
}

.advantage-card.service {
    background: linear-gradient(135deg, #fffaf0 0%, #ffffff 100%);
}

.advantage-card.coverage {
    background: linear-gradient(135deg, #f8f0ff 0%, #ffffff 100%);
}

.advantage-card.eco {
    background: linear-gradient(135deg, #f0fff4 0%, #ffffff 100%);
}

/* 社会责任 */
.social-responsibility {
    background: var(--light-color);
}

.responsibility-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

/* 卡片容器 - 3D翻转效果 */
.responsibility-card-container {
    perspective: 1000px;
    height: 400px;
}

.responsibility-card {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
}

/* 移除CSS悬停翻转，改为由JavaScript控制 */
/* .responsibility-card-container:hover .responsibility-card {
    transform: rotateY(180deg);
} */

/* 卡片正面和背面的共同样式 - 使用更具体的选择器 */
.responsibility-card .card-front,
.responsibility-card .card-back {
    position: absolute !important;
    width: 100% !important;
    height: 100% !important;
    border-radius: 20px !important;
    box-shadow: var(--shadow-light) !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    align-items: center !important;
    text-align: center !important;
    padding: 1.5rem !important;
    overflow: hidden !important;
    backface-visibility: hidden !important;
    -webkit-backface-visibility: hidden !important;
    -moz-backface-visibility: hidden !important;
}

/* 卡片正面 */
.responsibility-card .card-front {
    background: white !important;
    transform: rotateY(0deg) !important;
    z-index: 2 !important;
}

/* 卡片背面 */
.responsibility-card .card-back {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    color: white !important;
    transform: rotateY(180deg) !important;
    z-index: 1 !important;
}

/* 正面样式保持原有设计 */
.responsibility-card .card-front::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(74, 144, 226, 0.1), transparent);
    animation: rotate 4s linear infinite;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.responsibility-card-container:hover .responsibility-card .card-front::before {
    opacity: 1;
}

.responsibility-card .card-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    position: relative;
    z-index: 2;
}

.card-front h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.8rem;
    position: relative;
    z-index: 2;
}

.card-front p {
    color: var(--text-light);
    line-height: 1.5;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 2;
    font-size: 0.9rem;
}

.responsibility-actions {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

.action-tag {
    padding: 0.4rem 1rem;
    background: var(--gradient-primary);
    color: white;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 背面样式 */
.responsibility-card .back-content {
    width: 100% !important;
    height: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    align-items: center !important;
    position: relative !important;
    z-index: 1 !important;
}

.responsibility-card .card-back h3 {
    font-size: 1.5rem !important;
    font-weight: 700 !important;
    margin-bottom: 1.5rem !important;
    color: white !important;
}

.responsibility-card .achievement-stats {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 1rem !important;
    margin-bottom: 1.5rem !important;
    width: 100% !important;
}

.responsibility-card .stat-item {
    text-align: center !important;
    padding: 0.8rem !important;
    background: rgba(255, 255, 255, 0.1) !important;
    border-radius: 12px !important;
    backdrop-filter: blur(10px) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
}

.responsibility-card .stat-number {
    display: block !important;
    font-size: 1.6rem !important;
    font-weight: 900 !important;
    color: #fff !important;
    margin-bottom: 0.3rem !important;
}

.responsibility-card .stat-label {
    font-size: 0.8rem !important;
    color: rgba(255, 255, 255, 0.8) !important;
    font-weight: 500 !important;
}

.responsibility-card .back-description {
    color: rgba(255, 255, 255, 0.9) !important;
    line-height: 1.5 !important;
    font-size: 0.85rem !important;
    text-align: center !important;
}

/* 背面背景图片效果 */
.responsibility-card .card-back::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.3;
    z-index: -1;
}

/* 为不同卡片设置不同的背景图片 */
.responsibility-card-container:nth-child(1) .responsibility-card .card-back::before {
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 400 300"><defs><linearGradient id="grad1" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" style="stop-color:%2327ae60;stop-opacity:1" /><stop offset="100%" style="stop-color:%232ecc71;stop-opacity:1" /></linearGradient></defs><rect width="400" height="300" fill="url(%23grad1)"/><circle cx="100" cy="80" r="30" fill="rgba(255,255,255,0.2)"/><circle cx="300" cy="150" r="40" fill="rgba(255,255,255,0.15)"/><circle cx="200" cy="220" r="25" fill="rgba(255,255,255,0.25)"/><path d="M50 250 Q200 200 350 250" stroke="rgba(255,255,255,0.3)" stroke-width="3" fill="none"/></svg>');
}

.responsibility-card-container:nth-child(2) .responsibility-card .card-back::before {
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 400 300"><defs><linearGradient id="grad2" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" style="stop-color:%233498db;stop-opacity:1" /><stop offset="100%" style="stop-color:%232980b9;stop-opacity:1" /></linearGradient></defs><rect width="400" height="300" fill="url(%23grad2)"/><rect x="80" y="60" width="60" height="80" rx="10" fill="rgba(255,255,255,0.2)"/><rect x="160" y="80" width="60" height="60" rx="10" fill="rgba(255,255,255,0.15)"/><rect x="240" y="70" width="60" height="70" rx="10" fill="rgba(255,255,255,0.25)"/><circle cx="200" cy="200" r="50" fill="rgba(255,255,255,0.1)"/></svg>');
}

.responsibility-card-container:nth-child(3) .responsibility-card .card-back::before {
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 400 300"><defs><linearGradient id="grad3" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" style="stop-color:%23e74c3c;stop-opacity:1" /><stop offset="100%" style="stop-color:%23c0392b;stop-opacity:1" /></linearGradient></defs><rect width="400" height="300" fill="url(%23grad3)"/><path d="M200 50 L250 150 L150 150 Z" fill="rgba(255,255,255,0.2)"/><circle cx="120" cy="200" r="35" fill="rgba(255,255,255,0.15)"/><circle cx="280" cy="180" r="30" fill="rgba(255,255,255,0.2)"/><rect x="180" y="180" width="40" height="40" rx="20" fill="rgba(255,255,255,0.25)"/></svg>');
    color: white;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* 企业荣誉 */
/* 技术创新板块 */
.tech-innovation {
    background: white;
    padding: 5rem 0;
}

.innovation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.innovation-item {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transform: translateY(0);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.innovation-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(33, 150, 243, 0.1) 0%, 
        rgba(0, 188, 212, 0.1) 25%, 
        rgba(255, 152, 0, 0.1) 50%, 
        rgba(76, 175, 80, 0.1) 75%, 
        rgba(156, 39, 176, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

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

.innovation-item:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    border-color: rgba(33, 150, 243, 0.2);
}

.innovation-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.innovation-item:hover .innovation-icon {
    transform: scale(1.1);
    background: white;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

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

.innovation-content h4 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.innovation-content p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.tech-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tech-tag {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.tech-tag:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

/* 动画效果 */
@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* 页脚样式补充 */
.footer-desc {
    color: #ccc;
    line-height: 1.6;
    margin-bottom: 20px;
}

.contact-info {
    list-style: none;
    padding: 0;
}

.contact-info p {
    margin-bottom: 10px;
    color: #ccc;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-info i {
    width: 16px;
    text-align: center;
    color: var(--accent-color);
}

/* 页脚样式覆盖，确保与主样式一致 */
.footer-description {
    color: #ccc;
    line-height: 1.6;
    margin-bottom: 20px;
}

.footer-title {
    color: #fff;
    margin-bottom: 15px;
    font-size: 16px;
    font-weight: 600;
}

.footer-contacts {
    list-style: none;
    padding: 0;
}

.footer-contacts li {
    margin-bottom: 10px;
    color: #ccc;
    font-size: 14px;
}

.qr-codes {
    display: flex;
    gap: 20px;
}

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

.qr-code-small {
    width: 60px;
    height: 60px;
    background: #333;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 12px;
    margin-bottom: 8px;
}

.qr-item span {
    color: #ccc;
    font-size: 12px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    padding-top: 20px;
    border-top: 1px solid #333;
    margin-top: 30px;
}

.copyright p,
.icp-info p {
    color: #999;
    font-size: 12px;
    margin: 0;
}

.footer-links-bottom {
    display: flex;
    gap: 20px;
}

.footer-links-bottom a {
    color: #ccc;
    text-decoration: none;
    font-size: 12px;
    transition: color 0.3s ease;
}

.footer-links-bottom a:hover {
    color: var(--accent-color);
}

/* 响应式适配 */
@media (max-width: 768px) {
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .qr-codes {
        justify-content: center;
    }
    
    .footer-links-bottom {
        justify-content: center;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-philosophy {
        gap: 1.5rem;
    }
    
    .philosophy-item {
        padding: 1.5rem;
        min-width: 120px;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .responsibility-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .responsibility-card-container {
        height: 320px;
    }
    
    .responsibility-card .card-front,
    .responsibility-card .card-back {
        padding: 1.2rem;
    }
    
    .responsibility-card .card-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .responsibility-card .card-front h3,
    .responsibility-card .card-back h3 {
        font-size: 1.3rem;
    }
    
    .achievement-stats {
        gap: 1rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    

    
    .strategy-timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        padding-left: 80px;
    }
    
    .timeline-marker {
        position: absolute;
        left: 0;
    }
    
    .timeline-content {
        margin: 0;
    }
    
    .timeline-content::before {
        left: -15px !important;
        border-right-color: white !important;
        border-left-color: transparent !important;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .advantage-card {
        padding: 2rem 1.5rem;
    }
    
    .advantage-icon {
        font-size: 2.5rem;
    }
    
    .advantage-title {
        font-size: 1.2rem;
    }
    
    .innovation-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .innovation-item {
        padding: 1.5rem;
    }
    
    .innovation-icon {
        width: 60px;
        height: 60px;
    }
    
    .innovation-content h4 {
        font-size: 1.2rem;
    }
    
    .tech-tags {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .philosophy-item {
        padding: 1rem;
        min-width: 100px;
    }
    
    .philosophy-icon {
        font-size: 2rem;
    }
    
    .culture-card,
    .responsibility-card {
        padding: 2rem 1.5rem;
    }
    
    .timeline-content {
        padding: 1.5rem;
    }
    
    .org-box {
        padding: 1.5rem 1rem;
        min-width: 150px;
    }
}