* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Microsoft YaHei', '微软雅黑', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
    line-height: 1.6;
    color: #1d1d1f;
    background: linear-gradient(135deg, #ffffff 0%, #f5f5f7 100%);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 粒子背景画布 */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* 动态背景效果 */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(41, 151, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(147, 51, 234, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(34, 197, 94, 0.06) 0%, transparent 50%);
    animation: moveBackground 20s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes moveBackground {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

/* 毛玻璃效果基础样式 - 增强版苹果风格 */
.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(30px) saturate(200%);
    -webkit-backdrop-filter: blur(30px) saturate(200%);
    border: 1.5px solid rgba(255, 255, 255, 0.8);
    border-radius: 24px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.08),
        0 2px 8px rgba(0, 0, 0, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.9),
        inset 0 -1px 0 rgba(0, 0, 0, 0.05);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

/* 玻璃卡片顶部高光 */
.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.6) 20%, 
        rgba(255, 255, 255, 0.8) 50%, 
        rgba(255, 255, 255, 0.6) 80%, 
        transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

/* 玻璃卡片内部光晕 */
.glass-card::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150%;
    height: 150%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    transform: translate(-50%, -50%) scale(0);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
    opacity: 0;
}

.glass-card:hover {
    transform: translateY(-12px) scale(1.03);
    box-shadow: 
        0 30px 80px rgba(0, 0, 0, 0.12),
        0 15px 35px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 1),
        inset 0 -1px 0 rgba(0, 0, 0, 0.08);
    border-color: rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.85);
}

.glass-card:hover::before {
    opacity: 1;
}

.glass-card:hover::after {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

/* 导航栏 - 增强苹果风格 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border-bottom: 0.5px solid rgba(0, 0, 0, 0.08);
    z-index: 1000;
    padding: 12px 0;
    transition: all 0.3s cubic-bezier(0.28, 0.11, 0.32, 1);
    box-shadow: 0 1px 0 0 rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h2 {
    color: #1d1d1f;
    font-size: 24px;
    font-weight: 600;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    color: #1d1d1f;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 8px 16px;
    border-radius: 20px;
}

.nav-menu a:hover {
    background: rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* 主页横幅 */
/* 主页横幅 */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    background: linear-gradient(135deg, #f5f5f7 0%, #ffffff 100%);
    overflow: hidden;
}

/* 添加动态光效 */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 40%, rgba(41, 151, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 60%, rgba(147, 51, 234, 0.12) 0%, transparent 50%);
    animation: heroGlow 8s ease-in-out infinite alternate;
    opacity: 0.6;
}

@keyframes heroGlow {
    0% { transform: scale(1) translate(0, 0); opacity: 0.6; }
    100% { transform: scale(1.1) translate(20px, -20px); opacity: 0.8; }
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: #1d1d1f;
    margin-bottom: 20px;
    text-shadow: 
        0 2px 10px rgba(0, 0, 0, 0.1),
        0 0 60px rgba(41, 151, 255, 0.2);
    animation: titleGlow 3s ease-in-out infinite alternate;
}

@keyframes titleGlow {
    0% { text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1), 0 0 60px rgba(41, 151, 255, 0.2); }
    100% { text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1), 0 0 80px rgba(41, 151, 255, 0.3); }
}

.hero-subtitle {
    font-size: 1.5rem;
    color: rgba(0, 0, 0, 0.7);
    margin-bottom: 40px;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 10;
}

.hero-buttons button {
    position: relative;
    z-index: 1;
}

.btn-primary, .btn-secondary {
    padding: 12px 28px;
    border: none;
    border-radius: 980px;
    font-size: 17px;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    letter-spacing: -0.022em;
    position: relative;
    overflow: hidden;
    -webkit-user-select: none;
    user-select: none;
    touch-action: manipulation;
}

.btn-primary::before,
.btn-secondary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before,
.btn-secondary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: rgba(0, 113, 227, 0.9);
    color: white;
    border: none;
    position: relative;
    z-index: 1;
}

.btn-primary > * {
    position: relative;
    z-index: 2;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #2997ff;
    border: none;
    position: relative;
    z-index: 1;
}

.btn-secondary > * {
    position: relative;
    z-index: 2;
}

.btn-primary:hover, .btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* 关于我们 */
.about {
    padding: 120px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f5f5f7 100%);
    position: relative;
    z-index: 1;
}

.about .glass-card {
    padding: 60px;
    text-align: center;
    color: #1d1d1f;
    max-width: 980px;
    margin: 0 auto;
}

.about h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    font-weight: 600;
}

.about p {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 50px;
    opacity: 0.9;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.stat-item h3 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
    background: linear-gradient(45deg, #0071e3, #2997ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-item p {
    font-size: 1.1rem;
    opacity: 0.8;
}

/* 业务领域 */
.services {
    padding: 120px 0;
    background: linear-gradient(135deg, #f5f5f7 0%, #ffffff 100%);
    position: relative;
    z-index: 1;
}

/* 添加动态粒子效果 */
.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        radial-gradient(circle at 90% 80%, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 100px 100px, 150px 150px, 80px 80px;
    animation: particleMove 20s linear infinite;
    pointer-events: none;
}

@keyframes particleMove {
    0% { background-position: 0 0, 0 0, 0 0; }
    100% { background-position: 100px 100px, -150px 150px, 80px -80px; }
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: #1d1d1f;
    margin-bottom: 60px;
    font-weight: 600;
    position: relative;
    z-index: 2;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    position: relative;
    z-index: 2;
}

.service-card {
    padding: 40px 30px;
    text-align: center;
    color: #1d1d1f;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    filter: grayscale(0);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.service-card p {
    opacity: 0.9;
    line-height: 1.6;
    margin-bottom: 20px;
}

/* 服务标签样式 */
.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.tag {
    background: rgba(0, 113, 227, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 113, 227, 0.2);
    border-radius: 20px;
    padding: 6px 14px;
    font-size: 0.85rem;
    color: #0071e3;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.tag:hover {
    background: rgba(0, 113, 227, 0.15);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 113, 227, 0.2);
}

/* 企业文化 */
.culture {
    padding: 120px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f5f5f7 100%);
    position: relative;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    position: relative;
    z-index: 2;
}

.culture-card {
    padding: 50px 40px;
    text-align: center;
    color: #1d1d1f;
    position: relative;
}

.culture-icon {
    font-size: 4rem;
    margin-bottom: 25px;
    display: inline-block;
    animation: floatAnimation 3s ease-in-out infinite;
}

@keyframes floatAnimation {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.culture-card h3 {
    font-size: 1.6rem;
    margin-bottom: 15px;
    font-weight: 600;
    background: linear-gradient(135deg, #0071e3, #2997ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.culture-card p {
    opacity: 0.9;
    line-height: 1.8;
    font-size: 1.05rem;
}

/* 发展历程 */
.timeline {
    padding: 120px 0;
    background: linear-gradient(135deg, #f5f5f7 0%, #ffffff 100%);
    position: relative;
}

.timeline-container {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    z-index: 2;
}

.timeline-container::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background: linear-gradient(180deg, 
        transparent,
        rgba(0, 113, 227, 0.3) 10%,
        rgba(0, 113, 227, 0.3) 90%,
        transparent
    );
    transform: translateX(-50%);
}

.timeline-item {
    padding: 30px 40px;
    color: #1d1d1f;
    margin-bottom: 40px;
    position: relative;
    width: calc(50% - 40px);
}

.timeline-item:nth-child(odd) {
    margin-left: 0;
    margin-right: auto;
}

.timeline-item:nth-child(even) {
    margin-left: auto;
    margin-right: 0;
}

.timeline-year {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, #2997ff, #0071e3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    z-index: 2;
}

.timeline-item:nth-child(odd) .timeline-year {
    right: -140px;
}

.timeline-item:nth-child(even) .timeline-year {
    left: -140px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    top: 50%;
    width: 16px;
    height: 16px;
    background: linear-gradient(135deg, #2997ff, #0071e3);
    border: 3px solid rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    transform: translateY(-50%);
    box-shadow: 0 0 20px rgba(41, 151, 255, 0.4);
    z-index: 3;
}

.timeline-item:nth-child(odd)::before {
    right: -48px;
}

.timeline-item:nth-child(even)::before {
    left: -48px;
}

.timeline-content h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.timeline-content p {
    opacity: 0.9;
    line-height: 1.6;
}

/* 新闻动态 */
.news {
    padding: 120px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f5f5f7 100%);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.news-card {
    padding: 30px;
    color: #1d1d1f;
}

.news-date {
    color: rgba(0, 0, 0, 0.6);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.news-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.news-card p {
    opacity: 0.9;
    line-height: 1.6;
}

/* 联系我们 */
.contact {
    padding: 120px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f5f5f7 100%);
}

.contact-content {
    padding: 60px;
    color: #1d1d1f;
    text-align: center;
}

.contact-content h2 {
    font-size: 2.5rem;
    margin-bottom: 40px;
    font-weight: 600;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.contact-item h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.contact-item p {
    opacity: 0.9;
    font-size: 1.1rem;
}

/* 页脚 */
.footer {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: 20px 0;
    text-align: center;
    color: #86868b;
    font-size: 12px;
    border-top: 0.5px solid rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 10;
}

/* 响应式设计 */
@media (max-width: 768px) {
    /* 导航栏移动端优化 */
    .navbar {
        padding: 8px 0;
    }
    
    .nav-container {
        flex-direction: column;
        gap: 15px;
        padding: 0 15px;
    }
    
    .logo h2 {
        font-size: 20px;
    }
    
    .nav-menu {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
        width: 100%;
    }
    
    .nav-menu li {
        flex: 0 0 auto;
    }
    
    .nav-menu a {
        padding: 6px 12px;
        font-size: 13px;
    }
    
    /* 主页横幅 */
    .hero-title {
        font-size: 2rem;
        padding: 0 15px;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        padding: 0 15px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 15px;
        padding: 0 15px;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        max-width: 280px;
        padding: 14px 28px;
    }
    
    /* 卡片和容器 */
    .about .glass-card,
    .contact-content {
        padding: 30px 20px;
    }
    
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 40px;
    }
    
    /* 业务领域网格 */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .service-card {
        padding: 30px 20px;
    }
    
    .service-icon {
        font-size: 2.5rem;
        margin-bottom: 15px;
    }
    
    .service-card h3 {
        font-size: 1.3rem;
    }
    
    .service-card p {
        font-size: 0.95rem;
    }
    
    /* 标签优化 */
    .service-tags {
        gap: 6px;
    }
    
    .tag {
        font-size: 0.75rem;
        padding: 5px 10px;
    }
    
    /* 统计数据 */
    .stats {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .stat-item h3 {
        font-size: 2.5rem;
    }
    
    .stat-item p {
        font-size: 1rem;
    }
    
    /* 企业文化 */
    .culture-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .culture-card {
        padding: 35px 25px;
    }
    
    .culture-icon {
        font-size: 3rem;
    }
    
    .culture-card h3 {
        font-size: 1.4rem;
    }
    
    /* 新闻动态 */
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .news-card {
        padding: 25px 20px;
    }
    
    /* 联系我们 */
    .contact-info {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    /* 移动设备上的调色盘样式 */
    .color-palette {
        right: 50%;
        transform: translateX(50%);
        width: auto;
    }
    
    .color-palette.active {
        transform: translateX(50%) translateY(0);
    }
    
    .theme-switcher {
        order: -1;
    }
    
    /* 时间轴移动端适配 */
    .timeline-container::before {
        left: 20px;
    }
    
    .timeline-item {
        width: 100%;
        padding: 25px 20px 25px 60px;
        margin-left: 0 !important;
        margin-right: 0 !important;
        margin-bottom: 30px;
    }
    
    .timeline-year {
        left: -60px !important;
        right: auto !important;
        font-size: 1.2rem;
        top: 25px;
        transform: none;
        width: 50px;
        text-align: center;
    }
    
    .timeline-item::before {
        left: 12px !important;
        right: auto !important;
    }
    
    .timeline-content h3 {
        font-size: 1.3rem;
    }
    
    .timeline-content p {
        font-size: 0.95rem;
    }
}

/* 小屏幕手机优化 */
@media (max-width: 480px) {
    /* 导航栏 */
    .logo h2 {
        font-size: 18px;
    }
    
    .nav-menu a {
        padding: 5px 10px;
        font-size: 12px;
    }
    
    /* 主页横幅 */
    .hero {
        min-height: 100vh;
        padding: 80px 0 40px;
    }
    
    .hero-title {
        font-size: 1.75rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
    }
    
    .btn-primary, .btn-secondary {
        font-size: 15px;
        padding: 12px 24px;
    }
    
    /* 卡片 */
    .about .glass-card,
    .contact-content {
        padding: 25px 15px;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .service-card,
    .culture-card,
    .news-card {
        padding: 25px 15px;
    }
    
    .service-icon,
    .culture-icon {
        font-size: 2.2rem;
    }
    
    /* 时间轴 */
    .timeline-item {
        padding: 20px 15px 20px 50px;
    }
    
    .timeline-year {
        font-size: 1rem;
        left: -55px !important;
        width: 45px;
    }
    
    /* 调色盘 */
    .color-palette {
        grid-template-columns: repeat(5, 1fr);
        padding: 8px;
        gap: 6px;
    }
    
    .color-option {
        width: 25px;
        height: 25px;
    }
    
    /* 粒子效果在小屏幕上减少数量 */
    #particles-canvas {
        opacity: 0.6;
    }
}

/* 苹果风格滚动条 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* 苹果风格文本选择 */
::selection {
    background: rgba(0, 113, 227, 0.3);
    color: #fff;
}

/* 苹果风格卡片悬停效果增强 */
.glass-card:hover {
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.2),
        0 8px 16px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.12);
}

/* 苹果风格按钮悬停效果增强 */
.btn-primary:hover {
    background: rgba(0, 122, 255, 1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* 苹果风格导航栏链接增强 */
.nav-menu a {
    font-size: 14px;
    letter-spacing: -0.01em;
}

/* 苹果风格标题文本 */
h1, h2, h3, h4, h5, h6 {
    letter-spacing: -0.022em;
}

.hero-title {
    letter-spacing: -0.03em;
    font-weight: 600;
}

.hero-subtitle {
    letter-spacing: -0.02em;
    font-weight: 400;
}

/* 苹果风格段落文本 */
p {
    letter-spacing: -0.01em;
}

/* 苹果风格卡片内容间距 */
.service-card, .news-card {
    padding: 30px;
}

/* 苹果风格图标增强 */
.service-icon {
    font-size: 48px;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #0071e3, #2997ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    animation: iconFloat 3s ease-in-out infinite;
    filter: drop-shadow(0 4px 8px rgba(0, 113, 227, 0.2));
}

@keyframes iconFloat {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-10px) scale(1.05); }
}/* 页脚链接样式 */
.footer-link {
    color: #2997ff;
    text-decoration: none;
    transition: all 0.3s ease;
    margin-left: 10px;
    position: relative;
}

.footer-link:hover {
    color: #0071e3;
    text-decoration: none;
}

.footer-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -2px;
    left: 0;
    background-color: #0071e3;
    transition: width 0.3s ease;
}

.footer-link:hover::after {
    width: 100%;
}/* 调色按钮样式 */
.theme-switcher {
    position: relative;
}

.theme-toggle-btn {
    background: rgba(0, 0, 0, 0.05);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.theme-toggle-btn:hover {
    background: rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.theme-icon {
    font-size: 20px;
}

.color-palette {
    position: absolute;
    top: 100%;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 12px;
    padding: 10px;
    display: none;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    margin-top: 10px;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease, display 0s 0.3s;
    pointer-events: none;
}

.color-palette.active {
    display: grid;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: auto;
}

.color-option {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.color-option:hover {
    transform: scale(1.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.color-option.active {
    border-color: white;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

/* 主题颜色变量 */
:root {
    --primary-gradient-start: #f5f5f7;
    --primary-gradient-end: #ffffff;
    --secondary-gradient-start: #ffffff;
    --secondary-gradient-end: #f5f5f7;
    --accent-color: #0071e3;
    --accent-color-hover: #2997ff;
}

/* 蓝色主题 */
body.theme-blue {
    --primary-gradient-start: #e3f2fd;
    --primary-gradient-end: #bbdefb;
    --secondary-gradient-start: #bbdefb;
    --secondary-gradient-end: #e3f2fd;
    --accent-color: #0288d1;
    --accent-color-hover: #03a9f4;
}

/* 紫色主题 */
body.theme-purple {
    --primary-gradient-start: #f3e5f5;
    --primary-gradient-end: #e1bee7;
    --secondary-gradient-start: #e1bee7;
    --secondary-gradient-end: #f3e5f5;
    --accent-color: #7b1fa2;
    --accent-color-hover: #ab47bc;
}

/* 绿色主题 */
body.theme-green {
    --primary-gradient-start: #e8f5e9;
    --primary-gradient-end: #c8e6c9;
    --secondary-gradient-start: #c8e6c9;
    --secondary-gradient-end: #e8f5e9;
    --accent-color: #388e3c;
    --accent-color-hover: #66bb6a;
}

/* 红色主题 */
body.theme-red {
    --primary-gradient-start: #ffebee;
    --primary-gradient-end: #ffcdd2;
    --secondary-gradient-start: #ffcdd2;
    --secondary-gradient-end: #ffebee;
    --accent-color: #d32f2f;
    --accent-color-hover: #ef5350;
}

/* 使用CSS变量更新渐变色 */
.hero, .about, .services, .news, .contact {
    background: linear-gradient(135deg, var(--primary-gradient-start, #f5f5f7) 0%, var(--primary-gradient-end, #ffffff) 100%);
}

.about, .news {
    background: linear-gradient(135deg, var(--secondary-gradient-start, #ffffff) 0%, var(--secondary-gradient-end, #f5f5f7) 100%);
}

.btn-primary {
    background: var(--accent-color, rgba(0, 113, 227, 0.9));
}

.btn-primary:hover {
    background: var(--accent-color-hover, rgba(0, 122, 255, 1));
}

.footer-link, .btn-secondary {
    color: var(--accent-color-hover, #2997ff);
}

.footer-link::after {
    background-color: var(--accent-color, #0071e3);
}