/* 全局样式 */
:root {
    --primary-color: #2c3e50;
    --primary-light: #34495e;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --text-color: #2c3e50;
    --text-light: #7f8c8d;
    --light-bg: #ecf0f1;
    --white: #ffffff;
    --wechat-color: #07C160;
    --qq-color: #12B7F5;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --shadow-light: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-medium: 0 8px 30px rgba(0,0,0,0.12);
    --shadow-heavy: 0 15px 35px rgba(0,0,0,0.1);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1a2e 50%, #16213e 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* 模块间过渡动画 */
section {
    position: relative;
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform-style: preserve-3d;
}

section::before {
    content: '';
    position: absolute;
    top: -50px;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 212, 255, 0.1) 50%, transparent 100%);
    opacity: 0;
    transition: opacity 0.8s ease;
    pointer-events: none;
    z-index: -1;
}

section.in-view::before {
    opacity: 1;
}

/* 模块进入动画 */
@keyframes sectionSlideIn {
    from {
        opacity: 0;
        transform: translateY(50px) rotateX(10deg);
    }
    to {
        opacity: 1;
        transform: translateY(0) rotateX(0);
    }
}

section.animate-in {
    animation: sectionSlideIn 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

/* 动画初始状态 */
.service-card,
.project-card,
.contact-item,
.contact-form,
.service-time,
.contact-advantages {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.service-card {
    transform: translateY(30px) rotateX(10deg);
}

.project-card {
    transform: translateY(30px) scale(0.95);
}

/* 当section进入视图时，子元素变为可见 */
section.in-view .service-card,
section.in-view .project-card,
section.in-view .contact-item,
section.in-view .contact-form,
section.in-view .service-time,
section.in-view .contact-advantages {
    opacity: 1;
    transform: translateY(0) rotateX(0) scale(1);
}

/* 模块间分隔线动画 */
section + section::after {
    content: '';
    position: absolute;
    top: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #00d4ff, transparent);
    transition: width 1.5s ease;
}

section.in-view + section::after {
    width: 80%;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, rgba(10, 14, 39, 0.95) 0%, rgba(26, 26, 46, 0.95) 100%);
    padding: 1rem 0;
    z-index: 1000;
    backdrop-filter: blur(15px);
    box-shadow: 0 2px 20px rgba(0, 123, 255, 0.3), 0 0 40px rgba(0, 123, 255, 0.1);
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(0, 212, 255, 0.3);
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: #00d4ff;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.logo:hover {
    transform: scale(1.05);
    color: #ffffff;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.8);
}

.nav-links {
    display: flex;
}

.nav-links a {
    color: #e8f4fd;
    text-decoration: none;
    margin-left: 2rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: #00d4ff;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.6);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #00d4ff, #007bff);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
}

.menu-toggle span {
    height: 3px;
    width: 100%;
    background-color: #495057;
    border-radius: 10px;
    transition: all 0.3s ease;
}

/* Hero区域 */
.hero-section {
    height: 100vh;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1a2e 50%, #16213e 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    text-align: center;
    overflow: hidden;
}

.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 0 2rem;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    text-shadow: 0 0 20px rgba(0, 123, 255, 0.8), 0 0 40px rgba(0, 123, 255, 0.6);
    letter-spacing: 2px;
}

.local-subtitle {
    font-size: 2rem;
    color: #00d4ff;
    margin-bottom: 2rem;
    font-weight: 600;
    text-shadow: 0 0 15px rgba(0, 212, 255, 0.7);
    letter-spacing: 1px;
}

.hero-content p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    color: #e8f4fd;
    line-height: 1.8;
    text-shadow: 0 1px 3px rgba(0,0,0,0.3);
    font-weight: 400;
}

/* 通用区块样式 */
section {
    padding: 6rem 2rem;
    position: relative;
}

/* 添加滚动动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

/* 添加浮动动画到某些元素 */
.service-card:nth-child(2) {
    animation: float 3s ease-in-out infinite;
    animation-delay: 0.5s;
}

.project-card:nth-child(2) {
    animation: float 4s ease-in-out infinite;
    animation-delay: 1s;
}

.section-content {
    max-width: 1200px;
    margin: 0 auto;
}

h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 3.5rem;
    color: #ffffff;
    font-weight: 700;
    position: relative;
    padding-bottom: 1rem;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.6);
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #00d4ff, #007bff);
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

/* 关于我们 */
.about-section {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    position: relative;
    color: #ffffff;
}

.about-section::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"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23000" opacity="0.02"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>') repeat;
    pointer-events: none;
}

.about-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.service-card {
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.8) 0%, rgba(22, 33, 62, 0.8) 100%);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 123, 255, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.6s ease forwards;
    border: 1px solid rgba(0, 212, 255, 0.3);
    backdrop-filter: blur(10px);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #00d4ff, #007bff);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 123, 255, 0.4), 0 0 30px rgba(0, 212, 255, 0.3);
}

.service-card i {
    font-size: 3rem;
    color: #00d4ff;
    margin-bottom: 1.5rem;
    transition: var(--transition);
    text-shadow: 0 0 15px rgba(0, 212, 255, 0.6);
}

.service-card:hover i {
    transform: scale(1.1) rotate(5deg);
    color: #ffffff;
    text-shadow: 0 0 25px rgba(0, 212, 255, 0.8);
}

/* 项目展示 */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.1);
    position: relative;
    backdrop-filter: blur(10px);
}

.project-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: var(--shadow-heavy);
}

.project-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.1) rotate(2deg);
}

.project-info {
    padding: 1.5rem;
}

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

.project-info p {
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.6;
}

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

.project-tags span {
    background: var(--light-bg);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

.blog-section, .opensource-section, .team-section {
    background: var(--light-bg);
    padding: 6rem 0;
}

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

.blog-card, .opensource-card, .team-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    border: 1px solid rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
}

.blog-card:hover, .opensource-card:hover, .team-card:hover {
    transform: translateY(-5px);
}

.blog-image, .opensource-icon, .team-avatar {
    height: 200px;
    overflow: hidden;
}

.blog-image img, .opensource-icon img, .team-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-content, .opensource-content, .team-info {
    padding: 1.5rem;
}

.blog-tag {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: var(--accent-color);
    color: white;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.blog-content h3, .opensource-content h3, .team-info h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.opensource-stats {
    display: flex;
    gap: 1rem;
    margin: 1rem 0;
}

.opensource-stats span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #666;
}

.github-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.github-link:hover {
    color: var(--accent-color);
}

.team-social {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.team-social a {
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.team-social a:hover {
    color: var(--accent-color);
}

.read-more {
    display: inline-block;
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    margin-top: 1rem;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: var(--accent-color);
}

/* 联系方式 */
.contact-section {
    background: linear-gradient(135deg, #16213e 0%, #0f3460 50%, #1a1a2e 100%);
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

/* 服务区域部分 */
.service-area-section {
    background: linear-gradient(135deg, #0f3460 0%, #16213e 50%, #1a1a2e 100%);
    padding: 80px 0;
    text-align: center;
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.service-area-section::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"><defs><pattern id="hexagons" width="50" height="43.4" patternUnits="userSpaceOnUse"><polygon points="25,0 50,14.4 50,28.9 25,43.4 0,28.9 0,14.4" fill="none" stroke="%23495057" stroke-width="0.5" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23hexagons)"/></svg>') repeat;
    pointer-events: none;
}

.service-area-section h2 {
    color: #ffffff;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.6);
}

.service-area-section h2::after {
    background: linear-gradient(90deg, #00d4ff, #007bff);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.service-area-section .section-desc {
    color: #e8f4fd;
    font-size: 1.2rem;
}

.service-area-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    margin-top: 40px;
}

.service-area-map, .service-keywords {
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.9) 0%, rgba(22, 33, 62, 0.9) 100%);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    box-shadow: 0 15px 35px rgba(0, 123, 255, 0.2);
    flex: 1;
    min-width: 300px;
    max-width: 450px;
    backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 212, 255, 0.3);
    transition: var(--transition);
    position: relative;
    z-index: 1;
    color: #ffffff;
}

.service-area-map:hover, .service-keywords:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 123, 255, 0.4), 0 0 30px rgba(0, 212, 255, 0.3);
}

.service-area-map i {
    font-size: 3.5rem;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.service-area-map h3, .service-keywords h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.area-list {
    margin-top: 15px;
}

.area-item {
    padding: 12px 24px;
    margin: 8px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 25px;
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.area-item:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-medium);
}

.area-item.primary {
    background: var(--gradient-secondary);
    font-size: 16px;
    padding: 15px 30px;
}

.location-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    max-width: 800px;
    margin: 0 auto;
}

.location-tags span {
    display: inline-block;
    padding: 10px 20px;
    background: var(--gradient-accent);
    color: white;
    border-radius: 25px;
    margin: 8px;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    box-shadow: var(--shadow-light);
    cursor: pointer;
}

.location-tags span:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-medium);
}

.location-tags span:hover {
    background: var(--secondary-color);
    color: white;
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .service-area-container {
        flex-direction: column;
        align-items: center;
    }
    
    .service-area-map, .service-keywords {
        width: 100%;
        max-width: 100%;
    }
    
    .location-tags {
        padding: 0 10px;
    }
}

.contact-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #00d4ff;
    margin-bottom: 3rem;
    text-shadow: 0 2px 4px rgba(0, 212, 255, 0.3);
}

.contact-content {
    max-width: 1000px;
    margin: 0 auto 3rem;
    position: relative;
    z-index: 1;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    justify-content: center;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 212, 255, 0.3);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 212, 255, 0.05));
    opacity: 0;
    transition: var(--transition);
}

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

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.contact-item i {
    font-size: 2.5rem;
    color: #00d4ff;
    text-shadow: 0 2px 4px rgba(0, 212, 255, 0.5);
    transition: var(--transition);
    flex-shrink: 0;
}

.contact-item:hover i {
    transform: scale(1.1) rotate(5deg);
}

.contact-details {
    flex: 1;
}

.contact-details h4 {
    color: #ffffff;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.contact-details p {
    color: #00d4ff;
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 0.3rem;
}

.contact-details span {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .contact-details {
        text-align: center;
    }
}

/* 社交媒体按钮 */
.social-buttons {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.wechat-btn, .qq-btn, .phone-btn {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1.2rem 2.5rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    color: white;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

.wechat-btn::before, .qq-btn::before, .phone-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.wechat-btn:hover::before, .qq-btn:hover::before, .phone-btn:hover::before {
    left: 100%;
}

.wechat-btn {
    background: linear-gradient(135deg, #07c160, #05a050);
}

.qq-btn {
    background: linear-gradient(135deg, #1296db, #0d7cb8);
}

.phone-btn {
    background: linear-gradient(135deg, #00d4ff, #0099cc);
}

.wechat-btn:hover, .qq-btn:hover, .phone-btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
}

.wechat-btn:hover {
    background: linear-gradient(135deg, #08d46a, #06b85a);
}

.qq-btn:hover {
    background: linear-gradient(135deg, #14a8f0, #0f8bc7);
}

.phone-btn:hover {
    background: linear-gradient(135deg, #00e6ff, #00b3e6);
}

.social-buttons i {
    font-size: 1.5rem;
    margin-right: 0.5rem;
}

/* 二维码容器 */
.qr-codes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    pointer-events: none;
}



.qr-codes.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.qr-container {
    background: rgba(255, 255, 255, 0.95);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    position: relative;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: scale(0.8);
    transition: var(--transition);
    border: 1px solid rgba(0, 212, 255, 0.2);
    backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.qr-codes.active .qr-container {
    transform: scale(1);
    animation: slideInUp 0.5s ease-out;
}

@keyframes slideInUp {
    from {
        transform: translateY(50px) scale(0.8);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.qr-close {
    position: absolute;
    top: -10px;
    right: -10px;
    background: linear-gradient(135deg, #ff6b6b, #ee5a52);
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
    border: 2px solid white;
}

.qr-close:hover {
    background: linear-gradient(135deg, #ff5252, #d32f2f);
    transform: scale(1.1) rotate(90deg);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.6);
}

.wechat-qr, .qq-qr {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: var(--transition);
}

.wechat-qr:hover, .qq-qr:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.wechat-qr h3, .qq-qr h3 {
    margin-bottom: 1rem;
    color: #2c3e50;
    font-size: 1.3rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.wechat-qr h3::before {
    content: '\f1d7';
    font-family: 'Font Awesome 5 Brands';
    color: #07c160;
    font-size: 1.2rem;
}

.qq-qr h3::before {
    content: '\f1d6';
    font-family: 'Font Awesome 5 Brands';
    color: #12b7f5;
    font-size: 1.2rem;
}

.qr-image {
    width: 180px;
    height: 180px;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
}

.qr-image:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.2);
}

/* 页脚 */
.footer {
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.95) 0%, rgba(22, 33, 62, 0.95) 100%);
    color: white;
    text-align: center;
    padding: 3rem 2rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 123, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(0, 212, 255, 0.06) 0%, transparent 50%);
    pointer-events: none;
    animation: footerGlow 8s ease-in-out infinite alternate;
}

.footer::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120" preserveAspectRatio="none"><path d="M0,60 C150,100 350,0 600,60 C850,120 1050,20 1200,60 V120 H0 Z" fill="%2300d4ff" opacity="0.1"/><path d="M0,80 C200,40 400,120 600,80 C800,40 1000,120 1200,80 V120 H0 Z" fill="%23007bff" opacity="0.08"/><path d="M0,100 C300,60 500,140 800,100 C900,80 1100,120 1200,100 V120 H0 Z" fill="%2300d4ff" opacity="0.06"/></svg>') no-repeat;
    background-size: cover;
    pointer-events: none;
    animation: waveFlow 12s linear infinite;
}

@keyframes footerGlow {
    0% {
        opacity: 0.6;
        transform: scale(1);
    }
    100% {
        opacity: 1;
        transform: scale(1.05);
    }
}

@keyframes waveFlow {
    0% {
        transform: translateX(-100px);
    }
    100% {
        transform: translateX(100px);
    }
}

/* 页脚SEO优化部分 */
.footer-links {
    margin-top: 20px;
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-links h4 {
    color: #ffffff;
    font-size: 16px;
    margin: 15px 0 10px;
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
}

.footer-nav a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-nav a:hover {
    color: #ffffff;
    text-decoration: underline;
}

.service-areas {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 15px;
}

.service-areas span {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    padding: 3px 10px;
    background: rgba(255,255,255,0.1);
    border-radius: 15px;
}

/* 技术团队样式 */
.team-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 80px 0;
    color: white;
    position: relative;
    overflow: hidden;
}

.team-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 2px, transparent 2px),
        radial-gradient(circle at 80% 50%, rgba(255,255,255,0.1) 2px, transparent 2px);
    background-size: 60px 60px;
    animation: float 20s ease-in-out infinite;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.team-member {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.team-member::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
    transform: rotate(45deg);
    transition: all 0.6s ease;
    opacity: 0;
}

.team-member:hover::before {
    animation: shine 0.6s ease-in-out;
    opacity: 1;
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.member-avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, #ff6b6b, #feca57);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 30px;
    color: white;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.member-role {
    color: #feca57;
    font-weight: 600;
    margin-bottom: 15px;
}

.member-desc {
    margin-bottom: 20px;
    line-height: 1.6;
}

.member-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.skill-tag {
    background: rgba(255, 255, 255, 0.2);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* 工作室介绍样式 */
.studio-section {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.1) 100%);
    color: rgba(255, 255, 255, 0.9);
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.studio-section::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"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="2" fill="%23495057" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>') repeat;
    opacity: 0.3;
}

/* 客户案例样式 */
.cases-section {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.1) 100%);
    color: rgba(255, 255, 255, 0.9);
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.cases-section::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"><defs><pattern id="waves" width="100" height="20" patternUnits="userSpaceOnUse"><path d="M0 10 Q25 0 50 10 T100 10 V20 H0 Z" fill="%23495057" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23waves)"/></svg>') repeat;
    opacity: 0.3;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.case-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #6c757d, #495057);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

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

.case-card:hover {
    transform: translateY(-15px) scale(1.03);
    box-shadow: 0 25px 50px rgba(108, 117, 125, 0.3);
}

.case-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, #6c757d, #495057);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
    margin-bottom: 20px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
}

.case-card:hover .case-icon {
    transform: scale(1.2) rotate(10deg);
    background: linear-gradient(45deg, #495057, #343a40);
}

.case-desc {
    margin: 15px 0;
    line-height: 1.6;
}

.case-tags {
    display: flex;
    gap: 10px;
    margin: 20px 0;
    flex-wrap: wrap;
}

.case-tag {
    background: rgba(255, 255, 255, 0.2);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.case-result {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.result-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.1);
    padding: 8px 12px;
    border-radius: 10px;
}

/* 服务流程样式 */
.process-section {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.1) 100%);
    color: rgba(255, 255, 255, 0.9);
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.process-section::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"><defs><pattern id="hexagons" width="50" height="43.4" patternUnits="userSpaceOnUse"><polygon points="25,0 50,14.4 50,28.9 25,43.4 0,28.9 0,14.4" fill="none" stroke="%23495057" stroke-width="1" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23hexagons)"/></svg>') repeat;
    opacity: 0.3;
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
    position: relative;
}

.process-step {
    position: relative;
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #6c757d 0%, #495057 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    color: white;
    margin: 0 auto 20px;
    box-shadow: 0 10px 20px rgba(108, 117, 125, 0.3);
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

.process-step:hover .step-number {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 35px rgba(108, 117, 125, 0.4);
}

.step-content {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 25px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    position: relative;
}

.step-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

.step-icon {
    position: absolute;
    top: -15px;
    right: 15px;
    width: 30px;
    height: 30px;
    background: linear-gradient(45deg, #feca57, #ff6b6b);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: white;
}

/* 常见问题样式 */
.faq-section {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.1) 100%);
    color: rgba(255, 255, 255, 0.9);
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.faq-section::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"><defs><pattern id="questions" width="40" height="40" patternUnits="userSpaceOnUse"><text x="20" y="25" text-anchor="middle" font-size="20" fill="%23495057" opacity="0.05">?</text></pattern></defs><rect width="100" height="100" fill="url(%23questions)"/></svg>') repeat;
    opacity: 0.3;
}

.faq-container {
    max-width: 800px;
    margin: 50px auto 0;
}

.faq-item {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.faq-question {
    padding: 20px 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(45deg, #6c757d, #495057);
    color: white;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: linear-gradient(45deg, #495057, #6c757d);
}

.faq-question h3 {
    margin: 0;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.faq-toggle {
    width: 30px;
    height: 30px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
    background: rgba(255, 255, 255, 0.3);
}

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.05);
    border-top: 1px solid rgba(255,255,255,0.1);
}

.faq-item.active .faq-answer {
    padding: 20px 25px;
    max-height: 200px;
}

.faq-answer p {
    margin: 0;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--light-bg);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-accent);
    border-radius: 5px;
    border: 2px solid var(--light-bg);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-primary);
    transform: scale(1.1);
}

/* 选择文本样式 */
::selection {
    background: var(--accent-color);
    color: white;
}

::-moz-selection {
    background: var(--accent-color);
    color: white;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    html {
        font-size: 15px;
    }
    
    .section-content {
        width: 90%;
    }
    
    .services-grid, 
    .projects-grid,
    .blog-grid, 
    .opensource-grid, 
    .team-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .hero-content h1 {
        font-size: 2.8rem;
        line-height: 1.2;
    }
    
    .hero-content p {
        font-size: 1.1rem;
        padding: 0 1rem;
    }
    
    h2 {
        font-size: 2.2rem;
        margin-bottom: 2rem;
    }
    
    /* 导航栏移动端样式 */
    .menu-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .menu-toggle span {
        height: 3px;
        width: 100%;
        background-color: #495057;
        border-radius: 10px;
        transition: transform 0.3s ease;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
    
    .nav-links {
        position: fixed;
        top: 60px;
        right: -100%;
        width: 100%;
        height: auto;
        max-height: calc(100vh - 60px);
        background: linear-gradient(135deg, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.8) 100%);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding: 1rem 0;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease;
        overflow-y: auto;
        box-shadow: none;
        z-index: 999;
        backdrop-filter: blur(20px);
    }
    
    .nav-links.active {
        right: 0;
        box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    }
    
    .nav-links a {
        margin: 1rem 0;
        font-size: 1.5rem;
        opacity: 0;
        transform: translateX(50px);
        transition: all 0.3s ease;
        color: rgba(255, 255, 255, 0.9);
    }
    
    .nav-links.active a {
        opacity: 1;
        transform: translateX(0);
    }
    
    .nav-links.active a:nth-child(1) { transition-delay: 0.1s; }
    .nav-links.active a:nth-child(2) { transition-delay: 0.2s; }
    .nav-links.active a:nth-child(3) { transition-delay: 0.3s; }
    .nav-links.active a:nth-child(4) { transition-delay: 0.4s; }
    
    section {
        padding: 4rem 1rem;
    }
    
    .services-grid, 
    .projects-grid,
    .blog-grid, 
    .opensource-grid, 
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .project-image,
    .news-image {
        height: 200px;
    }

    .project-info,
    .news-content {
        padding: 1rem;
    }
    
    .qr-container {
        padding: 2rem;
        gap: 2rem;
        flex-direction: column;
        margin: 1rem;
    }

    .qr-image {
        width: 180px;
        height: 180px;
    }
    
    .service-card,
    .project-card,
    .blog-card,
    .opensource-card,
    .team-card {
        margin-bottom: 1.5rem;
    }
    
    .fixed-social-buttons {
        right: 10px;
    }
    
    .fixed-social-buttons button {
        width: 40px;
        height: 40px;
    }
    
    .fixed-social-buttons i {
        font-size: 1.2rem;
    }
    
    /* Studio section mobile */
    .studio-stats {
        flex-direction: column;
    }
    
    .stat-card {
        flex: 0 0 100%;
        margin: 10px 0;
    }
    
    .studio-values {
        flex-direction: column;
    }
    
    .value-item {
        flex: 0 0 100%;
        margin: 10px 0;
    }
    
    /* Hardware section mobile */
    .hardware-services {
        flex-direction: column;
        align-items: center;
    }
    
    .hardware-item {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 13px;
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
        margin-bottom: 1rem;
    }
    
    .local-subtitle {
        font-size: 1.4rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-content p {
        font-size: 1rem;
        line-height: 1.6;
    }
    
    h2 {
        font-size: 2rem;
        margin-bottom: 2.5rem;
    }
    
    .logo {
        font-size: 1.2rem;
    }
    
    .nav-content {
        padding: 0 1rem;
    }
    
    .navbar {
        padding: 0.8rem 0;
    }
    
    .menu-toggle {
        width: 25px;
        height: 18px;
    }
    
    section {
        padding: 3rem 0.5rem;
    }
    
    .service-card {
        padding: 1.8rem;
        margin-bottom: 1rem;
    }
    
    .service-card i {
        font-size: 2.5rem;
    }
    
    .project-image,
    .news-image {
        height: 180px;
    }
    
    .qr-container {
        padding: 1.5rem;
        gap: 1.5rem;
    }
    
    .qr-image {
        width: 150px;
        height: 150px;
    }
    
    .fixed-social-buttons {
        bottom: 0.5rem;
        right: 0.5rem;
        gap: 0.5rem;
    }
    
    .fixed-social-buttons .wechat-btn,
    .fixed-social-buttons .qq-btn {
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
    
    .about-content {
        padding: 0;
    }
    
    .project-card,
    .blog-card,
    .opensource-card,
    .team-card {
        padding: 1rem;
    }
    
    .contact-info {
        flex-direction: column;
    }
    
    .contact-item {
        padding: 2rem 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .contact-item i {
        font-size: 2.5rem;
    }
    
    /* 新增板块的移动端样式 */
    .team-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .team-member {
        padding: 20px;
    }
    
    .member-avatar {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .case-card {
        padding: 20px;
    }
    
    .case-result {
        flex-direction: column;
        gap: 10px;
    }
    
    .process-timeline {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .step-content {
        padding: 20px;
    }
    
    .faq-container {
        margin: 30px auto 0;
    }
    
    .faq-question {
        padding: 15px 20px;
    }
    
    .faq-question h3 {
        font-size: 14px;
    }
    
    .faq-answer {
        padding: 0 20px;
    }
    
    .faq-item.active .faq-answer {
        padding: 15px 20px;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

/* 固定社交按钮 */
.fixed-social-buttons {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 1000;
}

.fixed-social-buttons .wechat-btn,
.fixed-social-buttons .qq-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    padding: 0;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-heavy);
    backdrop-filter: blur(10px);
}

.fixed-social-buttons .wechat-btn:hover,
.fixed-social-buttons .qq-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 25px rgba(0,0,0,0.4);
}

.fixed-social-buttons button {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.fixed-social-buttons button:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.fixed-social-buttons i {
    font-size: 1.5rem;
}

.beian-info {
    margin-top: 25px;
    padding-top: 15px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 14px;
}

.beian-info a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    margin: 0 15px;
    display: inline-block;
    transition: var(--transition);
    padding: 5px 10px;
    border-radius: 5px;
}

.beian-info a:hover {
    color: white;
    background: rgba(255,255,255,0.1);
    transform: translateY(-2px);
}

/* 添加一些现代化的按钮样式 */
.btn {
    display: inline-block;
    padding: 15px 35px;
    background: linear-gradient(135deg, #6c757d 0%, #495057 100%);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
    box-shadow: 0 8px 25px rgba(108, 117, 125, 0.3);
    transform: translateY(0);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s ease;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(108, 117, 125, 0.4);
    background: linear-gradient(135deg, #5a6268 0%, #343a40 100%);
}

.btn:hover::before {
    left: 100%;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--secondary-color);
    color: var(--secondary-color);
    box-shadow: none;
}

.btn-outline:hover {
    background: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

.social-btn {
    display: inline-block;
    padding: 1rem 2rem;
    margin: 0.5rem;
    background: linear-gradient(135deg, #6c757d 0%, #495057 100%);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(108, 117, 125, 0.3);
}

.social-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s ease;
}

.social-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 35px rgba(108, 117, 125, 0.4);
    background: linear-gradient(135deg, #5a6268 0%, #343a40 100%);
}

.social-btn:hover::before {
    left: 100%;
}