/* 全局样式重置和基础设置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {

    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background: #667eea;
    color: white;
}

.btn-full {
    width: 100%;
}

/* 顶部导航栏 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar {
    padding: 1rem 0;
}

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

.logo {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link:hover {
    color: #007bff;
}

/* 下拉菜单样式 */
.nav-dropdown {
    position: relative;
}

.dropdown-content {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 200px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
}

.nav-dropdown:hover .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-link {
    display: block;
    padding: 0.75rem 1.5rem;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.dropdown-link:hover {
    background: #f8f9fa;
    color: #007bff;
    border-left-color: #007bff;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* 首页横幅区域 */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    overflow: hidden;
    position: relative;
    z-index: 0;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-title .highlight {
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 通用文字高亮样式 */
.highlight {
    font-weight: 600;
}

/* 黄色高亮（在白色背景上可读性更好） */
.highlight-yellow {
    color: #fd9801; /* 深黄，提高对比度 */
}

/* 主题色高亮（用于 primary/secondary 文本强调） */
.highlight-primary {
    color: #667eea;
}

.highlight-secondary {
    color: #764ba2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.hero-image {
    text-align: center;
}

.hero-img {
    width: 600px;
    height: 400px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
    .hero-img {
        width: 100%;
        height: auto;
        max-height: 260px;
    }
}

/* 通用区块样式 */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 1rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* 锚点滚动偏移，避免固定头部遮挡 */
html { scroll-padding-top: 120px; }
#about, #services, #contact {
    scroll-margin-top: 120px;
}

/* 关于我们区域 */
.about {
    padding: 80px 0;
    background: #f8f9fa;
    position: relative;
    z-index: 1;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.about-text p {
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

.advantage-list li {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
    color: #333;
}

.advantage-list i {
    color: #28a745;
    margin-right: 0.75rem;
    font-size: 1.125rem;
}

.about-img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

/* 核心业务区域 */
.services {
    padding: 80px 0;
    background: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(220px, 1fr));
    gap: 1.5rem;
}

.service-card {
    background: white;
    padding: 1.75rem 1.5rem;
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.service-icon i {
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.service-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.service-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.service-link:hover {
    color: #764ba2;
}

/* 客户案例区域 */
.cases {
    padding: 80px 0;
    background: #f8f9fa;
}

.case-studies {
    margin-bottom: 4rem;
}

.case-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    margin-bottom: 3rem;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.case-item:nth-child(even) {
    direction: rtl;
}

.case-item:nth-child(even) .case-content {
    direction: ltr;
}

.case-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

.case-content h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.case-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

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

.tag {
    background: #e3f2fd;
    color: #1976d2;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

/* 产品页面样式 */
.product-hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.product-hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.product-hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.product-hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.product-hero-description {
    font-size: 1.125rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    opacity: 0.8;
}

.product-hero-buttons {
    display: flex;
    gap: 1rem;
}

.product-hero-buttons .btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.product-hero-buttons .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.product-hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-hero-img {
    width: 560px;
    max-width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

/* AI语音玩具核心板产品图专属尺寸（仅该页生效） */
.ai-toy-img {
    width: 380px;
    height: 380px;
    object-fit: contain;
    max-width: 100%;
}

.product-image-placeholder {
    width: 400px;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px dashed rgba(255, 255, 255, 0.3);
}

.product-image-placeholder i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.7;
}

.product-image-placeholder span {
    font-size: 1.125rem;
    opacity: 0.7;
}

/* 应用场景样式 */
.use-cases {
    padding: 80px 0;
    background: white;
}

/* 使“应用场景”标题与下划线居中对齐 */
.use-cases .section-title { text-align: center; }
.use-cases .section-title::after {
    left: 50%;
    transform: translateX(-50%);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.use-case-item {
    text-align: center;
    padding: 2rem;
    border-radius: 12px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.use-case-item:hover {
    background: white;
    border-color: #667eea;
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.15);
}

.use-case-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.use-case-icon i,
.use-case-icon .icon-placeholder {
    color: white;
    font-size: 2.5rem;
    line-height: 1;
}

.use-case-item h3 {
    font-size: 1.25rem;
    color: #333;
    margin-bottom: 1rem;
    font-weight: 600;
}

.use-case-item p {
    color: #666;
    line-height: 1.6;
}

/* 产品联系样式 */
.product-contact {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.contact-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-option {
    text-align: center;
    padding: 2.5rem 2rem;
    background: white;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-option:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.contact-option .contact-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.contact-option .contact-icon i {
    color: white;
    font-size: 2rem;
}

.contact-option h3 {
    font-size: 1.25rem;
    color: #333;
    margin-bottom: 1rem;
    font-weight: 600;
}

.contact-option p {
    color: #666;
    margin-bottom: 0.5rem;
}

.contact-option .btn {
    margin-top: 1rem;
}



/* 联系我们页面样式 */
.contact-overview {
    padding: 80px 0;
    background: white;
}

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

.contact-overview-item {
    text-align: center;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 12px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-overview-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.contact-overview-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.contact-overview-icon i {
    font-size: 2rem;
    color: white;
}

.contact-overview-item h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.contact-overview-item p {
    color: #666;
    line-height: 1.6;
}

.contact-form-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.contact-form-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: start;
}

.form-info h2 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.form-info p {
    font-size: 1.125rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.contact-benefits {
    margin-top: 2rem;
}

.benefit-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.benefit-item i {
    color: #667eea;
    margin-right: 0.75rem;
    font-size: 1.125rem;
}

.benefit-item span {
    color: #333;
    font-weight: 500;
}

.contact-form {
    background: white;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #333;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.checkbox-group {
    display: flex;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 0.95rem;
    color: #666;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-right: 0.5rem;
}

.privacy-link {
    color: #667eea;
    text-decoration: none;
}

.privacy-link:hover {
    text-decoration: underline;
}

.btn-full {
    width: 100%;
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.map-section {
    padding: 80px 0;
    background: white;
}

.map-container {
    margin-top: 3rem;
}

.map-placeholder {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 4rem 2rem;
    text-align: center;
    border: 2px dashed #ddd;
}

.map-placeholder i {
    font-size: 4rem;
    color: #667eea;
    margin-bottom: 1.5rem;
}

.map-placeholder h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.map-placeholder p {
    color: #666;
    margin-bottom: 2rem;
}

.map-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.map-info-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.map-info-item i {
    color: #667eea;
    margin-right: 0.75rem;
    font-size: 1.125rem;
}

.map-info-item span {
    color: #333;
    font-size: 0.95rem;
}

.other-contact {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.contact-method {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.contact-method:hover {
    transform: translateY(-5px);
}

.method-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.method-icon i {
    font-size: 2rem;
    color: white;
}

.contact-method h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.contact-method p {
    color: #666;
    margin-bottom: 1.5rem;
}

.qr-placeholder {
    width: 120px;
    height: 120px;
    background: #f8f9fa;
    border: 2px dashed #ddd;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.qr-placeholder i {
    font-size: 2rem;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.qr-placeholder span {
    font-size: 0.875rem;
    color: #666;
}

.qq-info p {
    margin-bottom: 0.5rem;
    text-align: left;
}

.qq-info strong {
    color: #333;
}

.online-chat-btn {
    margin-top: 1rem;
}

/* AI音乐生成页面样式 */
.music-tech-features {
    padding: 80px 0;
    background: #f8f9fa;
}

.music-tech-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

.music-tech-card {
    background: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.music-tech-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.music-tech-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.music-tech-card h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.tech-details p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #f0f0f0;
    color: #555;
    line-height: 1.6;
}

.feature-list li:last-child {
    border-bottom: none;
}

.feature-list strong {
    color: #333;
    font-weight: 600;
}

.music-user-experience {
    padding: 80px 0;
    background: white;
}

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

.music-experience-item {
    background: #f8f9fa;
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.music-experience-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.music-experience-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.music-experience-item h3 {
    font-size: 1.375rem;
    color: #333;
    margin-bottom: 1rem;
    font-weight: 600;
}

.music-experience-item p {
    color: #666;
    line-height: 1.6;
}

.music-scenarios {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.scenario-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.scenario-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.scenario-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.scenario-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

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

.music-market-value {
    padding: 80px 0;
    background: white;
}

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

.music-value-item {
    background: #f8f9fa;
    padding: 2.5rem;
    border-radius: 15px;
    transition: all 0.3s ease;
    border-left: 4px solid #667eea;
}

.music-value-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.music-value-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    display: block;
    color: #667eea;
}

.music-value-item h3 {
    font-size: 1.375rem;
    color: #333;
    margin-bottom: 1rem;
    font-weight: 600;
}

.music-value-item p {
    color: #666;
    line-height: 1.6;
}

.contact-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.cta-content p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn {
    padding: 1rem 2rem;
    font-size: 1.125rem;
    min-width: 150px;
}

.map-section {
    padding: 80px 0;
    background: white;
}

.map-container {
    margin-top: 3rem;
}

.map-placeholder {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 4rem 2rem;
    text-align: center;
    border: 2px dashed #ddd;
}

.map-placeholder i {
    font-size: 4rem;
    color: #667eea;
    margin-bottom: 1.5rem;
}

.map-placeholder h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.map-placeholder p {
    color: #666;
    margin-bottom: 2rem;
}

.map-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.map-info-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.map-info-item i {
    color: #667eea;
    margin-right: 0.75rem;
    font-size: 1.125rem;
}

.map-info-item span {
    color: #333;
    font-size: 0.95rem;
}

.other-contact {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.contact-method {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.contact-method:hover {
    transform: translateY(-5px);
}

.method-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.method-icon i {
    font-size: 2rem;
    color: white;
}

.contact-method h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.contact-method p {
    color: #666;
    margin-bottom: 1.5rem;
}

.qr-placeholder {
    width: 120px;
    height: 120px;
    background: #f8f9fa;
    border: 2px dashed #ddd;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.qr-placeholder i {
    font-size: 2rem;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.qr-placeholder span {
    font-size: 0.875rem;
    color: #666;
}

.qq-info p {
    margin-bottom: 0.5rem;
    text-align: left;
}

.qq-info strong {
    color: #333;
}

.online-chat-btn {
    margin-top: 1rem;
}

/* 特殊人士助手页面样式 */
.tech-features {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.tech-feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.tech-feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.tech-feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.tech-feature-card h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1rem;
    font-weight: 600;
}

.tech-feature-card > p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.feature-details {
    list-style: none;
    padding: 0;
}

.feature-details li {
    color: #555;
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.feature-details li:before {
    content: "✓";
    color: #667eea;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.user-experience {
    padding: 80px 0;
    background: white;
}

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

.experience-item {
    text-align: center;
    padding: 2rem;
}

.experience-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: #667eea;
}

.experience-item h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1rem;
    font-weight: 600;
}

.experience-item p {
    color: #666;
    line-height: 1.6;
}

.market-value {
    padding: 80px 0;
    background: #f8f9fa;
}

/* 市场价值与社会意义标题居中 */
.market-value .section-title {
    text-align: center;
}
.market-value .section-title::after {
    left: 50%;
    transform: translateX(-50%);
}

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

.value-item {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.3s ease;
}

.value-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: #667eea;
}

.value-item h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1rem;
    font-weight: 600;
}

.value-item p {
    color: #666;
    line-height: 1.6;
}

/* 关于我们页面样式 */
.page-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
}

.page-hero-content {
    max-width: 800px;
    margin: 0 auto;
}

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

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

.company-intro {
    padding: 80px 0;
    background: #f8f9fa;
}

.intro-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.intro-text h2 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 2rem;
}

.intro-text p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: #666;
    margin-bottom: 1.5rem;
}

.company-image-placeholder {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    padding: 3rem;
    text-align: center;
    color: white;
    height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.company-image-placeholder i {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.company-culture {
    padding: 80px 0;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.culture-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.culture-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.culture-icon i {
    font-size: 2rem;
    color: white;
}

.culture-item h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.culture-item p {
    color: #666;
    line-height: 1.6;
}

.company-timeline {
    padding: 80px 0;
    background: #f8f9fa;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 3rem auto 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #667eea;
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
}

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

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

.timeline-date {
    background: #667eea;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    white-space: nowrap;
    margin: 0 2rem;
}

.timeline-content {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    flex: 1;
    max-width: 300px;
}

.timeline-content h3 {
    color: #333;
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: #666;
    line-height: 1.6;
}

.team-section {
    padding: 80px 0;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.team-member {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
}

.member-avatar {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.member-avatar i {
    font-size: 2.5rem;
    color: white;
}

.team-member h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 0.5rem;
}

.member-title {
    color: #667eea;
    font-weight: 600;
    margin-bottom: 1rem;
}

.member-desc {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

.about-contact {
    padding: 80px 0;
    background: #f8f9fa;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-info-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.contact-info-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.contact-info-icon i {
    font-size: 1.5rem;
    color: white;
}

.contact-info-item h3 {
    color: #333;
    margin-bottom: 0.5rem;
}

.contact-info-item p {
    color: #666;
}

.contact-cta {
    text-align: center;
    margin-top: 3rem;
}

/* 产品详细介绍样式 */
.product-details {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.product-features {
    margin-top: 3rem;
}

.feature-category {
    margin-bottom: 4rem;
    background: white;
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.category-title {
    font-size: 1.75rem;
    color: #333;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.category-title i {
    color: #667eea;
    font-size: 1.5rem;
}

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

.feature-item {
    padding: 1.5rem;
    border-radius: 12px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: white;
    border-color: #667eea;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.15);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.feature-icon i {
    color: white;
    font-size: 1.5rem;
}

.feature-item h4 {
    font-size: 1.25rem;
    color: #333;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.feature-item p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 合作伙伴 */
.partners {
    text-align: center;
}

.partners-title {
    font-size: 1.75rem;
    color: #333;
    margin-bottom: 2rem;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    align-items: center;
}

.partner-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.partner-logo:hover {
    transform: scale(1.05);
}

.partner-logo img {
    max-width: 100%;
    height: auto;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.partner-logo:hover img {
    opacity: 1;
}

/* 联系方式区域 */
.contact {
    padding: 80px 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    flex-shrink: 0;
}

.contact-icon i {
    color: white;
    font-size: 1.25rem;
}

.contact-details h4 {
    font-size: 1.125rem;
    color: #333;
    margin-bottom: 0.5rem;
}

.contact-details p {
    color: #666;
}

/* 表单样式 */
.form {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 12px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    border-radius: 6px;
    font-size: 16px;
    transition: border-color 0.3s ease;
    background: white;
}

.form-input:focus {
    outline: none;
    border-color: #667eea;
}

.form-input::placeholder {
    color: #999;
}

textarea.form-input {
    resize: vertical;
    min-height: 100px;
}

/* 页脚样式 */
.footer {
    background: #2c3e50;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: white;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: #34495e;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #667eea;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
}

/* 响应式设计 */
@media (max-width: 768px) {
    /* 导航栏移动端适配 */
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    /* 首页横幅移动端适配 */
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-buttons .btn {
        width: 200px;
    }

    /* 关于我们移动端适配 */
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    /* 产品页面移动端适配 */
    .product-hero {
        padding: 100px 0 60px;
    }

    .product-hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .product-hero-title {
        font-size: 2.5rem;
    }

    .product-hero-subtitle {
        font-size: 1.25rem;
    }

    .product-hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }

    .product-image-placeholder {
        width: 300px;
        height: 200px;
    }

    .product-hero-img {
        width: 100%;
        height: auto;
        max-height: 300px;
    }

    .use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .contact-options {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    /* 产品详细介绍移动端适配 */
    .product-details {
        padding: 60px 0;
    }

    .product-hero-title {
        font-size: 2rem;
    }

    .product-hero-subtitle {
        font-size: 1.125rem;
    }

    .product-image-placeholder {
        width: 250px;
        height: 180px;
    }

    .product-image-placeholder i {
        font-size: 3rem;
    }

    .use-cases-grid {
        grid-template-columns: 1fr;
    }

    .use-case-icon {
        width: 60px;
        height: 60px;
    }

    .use-case-icon i {
        font-size: 1.5rem;
    }

    .feature-category {
        padding: 2rem;
        margin-bottom: 3rem;
    }

    .category-title {
        font-size: 1.5rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .feature-item {
        padding: 1.25rem;
    }

    /* 服务卡片移动端适配 */
    .services-grid {
        grid-template-columns: 1fr;
    }

    /* 案例展示移动端适配 */
    .case-item {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .case-item:nth-child(even) {
        direction: ltr;
    }

    /* 联系方式移动端适配 */
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    /* 合作伙伴移动端适配 */
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 页脚移动端适配 */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .feature-category {
        padding: 1.5rem;
        margin-bottom: 2rem;
    }

    .category-title {
        font-size: 1.25rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .feature-icon {
        width: 50px;
        height: 50px;
    }

    .feature-icon i {
        font-size: 1.25rem;
    }

    .feature-item h4 {
        font-size: 1.125rem;
    }

    /* 关于我们页面小屏幕适配 */
    .page-hero-title {
        font-size: 1.75rem;
    }

    .intro-text h2 {
        font-size: 1.75rem;
    }

    .culture-icon {
        width: 60px;
        height: 60px;
    }

    .culture-icon i {
        font-size: 1.5rem;
    }

    .culture-item h3 {
        font-size: 1.25rem;
    }

    .timeline-date {
        font-size: 0.875rem;
        padding: 0.375rem 0.75rem;
    }

    .member-avatar {
        width: 80px;
        height: 80px;
    }

    .member-avatar i {
        font-size: 2rem;
    }

    .team-member h3 {
        font-size: 1.25rem;
    }

    .contact-info-icon {
        width: 50px;
        height: 50px;
    }

    .contact-info-icon i {
        font-size: 1.25rem;
    }

    /* 联系我们页面小屏幕适配 */
    .contact-overview-icon {
        width: 60px;
        height: 60px;
    }

    .contact-overview-icon i {
        font-size: 1.5rem;
    }

    .contact-overview-item h3 {
        font-size: 1.25rem;
    }

    .form-info h2 {
        font-size: 1.75rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .map-placeholder {
        padding: 2rem 1rem;
    }

    .map-placeholder i {
        font-size: 3rem;
    }

    .method-icon {
        width: 60px;
        height: 60px;
    }

    .method-icon i {
        font-size: 1.5rem;
    }

    .contact-method h3 {
        font-size: 1.25rem;
    }

    .service-card {
        padding: 2rem 1.5rem;
    }

    .case-item {
        padding: 1.5rem;
    }

    .form {
        padding: 1.5rem;
    }

    .partners-grid {
        grid-template-columns: 1fr;
    }

    /* 关于我们页面移动端适配 */
    .page-hero {
        padding: 100px 0 60px;
    }

    .page-hero-title {
        font-size: 2rem;
    }

    .page-hero-subtitle {
        font-size: 1rem;
    }

    .intro-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .intro-text h2 {
        font-size: 2rem;
    }

    .company-image-placeholder {
        height: 200px;
        padding: 2rem;
    }

    .culture-grid {
        grid-template-columns: 1fr;
    }

    .culture-item {
        padding: 1.5rem;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 50px;
    }

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

    .timeline-date {
        margin: 0 0 1rem 0;
        align-self: flex-start;
    }

    .timeline-content {
        max-width: 100%;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }

    .team-member {
        padding: 1.5rem;
    }

    .contact-info-grid {
        grid-template-columns: 1fr;
    }

    .contact-info-item {
        padding: 1.5rem;
    }

    /* 联系我们页面移动端适配 */
    .contact-overview-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .contact-overview-item {
        text-align: center;
    }

    .contact-form-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-form {
        padding: 2rem;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .form-info h2 {
        font-size: 2rem;
    }

    .map-placeholder {
        padding: 3rem 1.5rem;
    }

    .map-info {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: center;
    }

    .other-contact-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .contact-method {
        padding: 1.5rem;
    }

    /* 特殊人士助手页面移动端适配 */
    .tech-features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .tech-feature-card {
        padding: 2rem;
    }

    .tech-feature-icon {
        font-size: 2rem;
    }

    .tech-feature-card h3 {
        font-size: 1.125rem;
    }

    /* AI音乐生成页面移动端适配 */
    .music-tech-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .music-tech-card {
        padding: 2rem;
    }

    .music-tech-icon {
        font-size: 2.5rem;
    }

    .music-tech-card h3 {
        font-size: 1.25rem;
    }

    .music-experience-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .music-experience-item {
        padding: 2rem;
    }

    .music-experience-icon {
        font-size: 2.5rem;
    }

    .music-experience-item h3 {
        font-size: 1.25rem;
    }

    .scenarios-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .scenario-card {
        padding: 1.5rem;
    }

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

    .scenario-card h3 {
        font-size: 1.125rem;
    }

    .music-value-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .music-value-item {
        padding: 2rem;
    }

    .music-value-icon {
        font-size: 2rem;
    }

    .music-value-item h3 {
        font-size: 1.25rem;
    }

    .cta-content h2 {
        font-size: 2rem;
    }

    .cta-content p {
        font-size: 1rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    /* AI语音玩具核心板页面移动端适配 */
    .voice-toy-hero h1 {
        font-size: 2.5rem;
    }

    .voice-toy-hero .subtitle {
        font-size: 1.1rem;
    }

    .voice-toy-tech-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .voice-toy-tech-card {
        padding: 2rem;
    }

    .voice-toy-tech-icon {
        width: 70px;
        height: 70px;
        font-size: 1.8rem;
    }

    .voice-toy-tech-card h3 {
        font-size: 1.3rem;
    }

    .voice-toy-experience-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .voice-toy-experience-item {
        padding: 1.5rem;
    }

    .voice-toy-experience-icon {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }

    .voice-toy-experience-item h3 {
        font-size: 1.25rem;
    }

    .voice-toy-scenarios-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .voice-toy-scenario-card {
        padding: 1.5rem;
    }

    .voice-toy-scenario-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .voice-toy-scenario-card h3 {
        font-size: 1.2rem;
    }

    .voice-toy-value-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .voice-toy-value-item {
        padding: 2rem;
    }

    .voice-toy-value-icon {
        width: 70px;
        height: 70px;
        font-size: 1.8rem;
    }

    .voice-toy-value-item h3 {
        font-size: 1.25rem;
    }

    .voice-toy-cta-content h2 {
        font-size: 2rem;
    }

    .voice-toy-cta-content p {
        font-size: 1.1rem;
    }

    .voice-toy-cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .voice-toy-cta-button {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .experience-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .experience-item {
        padding: 1.5rem;
    }

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

    .experience-item h3 {
        font-size: 1.125rem;
    }

    .value-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .value-item {
        padding: 2rem;
    }

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

    .value-item h3 {
        font-size: 1.125rem;
    }

    /* AI音乐生成页面小屏幕适配 */
    .music-tech-icon {
        font-size: 2rem;
    }

    .music-tech-card h3 {
        font-size: 1.125rem;
    }

    .music-experience-icon {
        font-size: 2rem;
    }

    .music-experience-item h3 {
        font-size: 1.125rem;
    }

    .scenario-icon {
        font-size: 1.75rem;
    }

    .scenario-card h3 {
        font-size: 1rem;
    }

    .music-value-icon {
        font-size: 1.75rem;
    }

    .music-value-item h3 {
        font-size: 1.125rem;
    }

    .cta-content h2 {
        font-size: 1.75rem;
    }

    /* AI语音玩具核心板页面小屏幕适配 */
    .voice-toy-hero h1 {
        font-size: 2rem;
    }

    .voice-toy-hero .subtitle {
        font-size: 1rem;
    }

    .voice-toy-tech-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .voice-toy-tech-card h3 {
        font-size: 1.125rem;
    }

    .voice-toy-experience-icon {
        width: 70px;
        height: 70px;
        font-size: 1.75rem;
    }

    .voice-toy-experience-item h3 {
        font-size: 1.125rem;
    }

    .voice-toy-scenario-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }

    .voice-toy-scenario-card h3 {
        font-size: 1rem;
    }

    .voice-toy-value-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .voice-toy-value-item h3 {
        font-size: 1.125rem;
    }

    .voice-toy-cta-content h2 {
        font-size: 1.75rem;
    }

    .voice-toy-cta-content p {
        font-size: 1rem;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.service-card,
.case-item {
    animation: fadeInUp 0.6s ease-out;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
}

/* 性能优化 */
.hero-img,
.about-img,
.case-image img,
.partner-logo img {
    will-change: transform;
}

/* 无障碍访问 */
.nav-link:focus,
.btn:focus,
.form-input:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* AI语音玩具核心板页面样式 */
.voice-toy-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.voice-toy-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="3" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="80" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    animation: float 20s ease-in-out infinite;
}

.voice-toy-hero-content {
    position: relative;
    z-index: 2;
}

.voice-toy-hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.voice-toy-hero .subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.voice-toy-hero .cta-button {
    background: rgba(255,255,255,0.2);
    color: white;
    padding: 15px 40px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.voice-toy-hero .cta-button:hover {
    background: rgba(255,255,255,0.3);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-2px);
}

/* 技术特色部分 */
.voice-toy-tech-features {
    padding: 100px 0;
    background: #f8f9fa;
}

.voice-toy-tech-features h2 {
    text-align: center;
    font-size: 2.8rem;
    color: #333;
    margin-bottom: 3rem;
    font-weight: 700;
}

.voice-toy-tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.voice-toy-tech-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.voice-toy-tech-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.voice-toy-tech-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    color: white;
}

.voice-toy-tech-card h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1rem;
    font-weight: 600;
}

.voice-toy-tech-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.voice-toy-tech-features-list {
    list-style: none;
    padding: 0;
}

.voice-toy-tech-features-list li {
    padding: 0.5rem 0;
    color: #555;
    position: relative;
    padding-left: 1.5rem;
}

.voice-toy-tech-features-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

/* 用户体验部分 */
.voice-toy-user-experience {
    padding: 100px 0;
    background: white;
}

.voice-toy-user-experience h2 {
    text-align: center;
    font-size: 2.8rem;
    color: #333;
    margin-bottom: 3rem;
    font-weight: 700;
}

.voice-toy-experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.voice-toy-experience-item {
    text-align: center;
    padding: 2rem;
}

.voice-toy-experience-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2.5rem;
    color: white;
    box-shadow: 0 10px 30px rgba(255,107,107,0.3);
}

.voice-toy-experience-item h3 {
    font-size: 1.4rem;
    color: #333;
    margin-bottom: 1rem;
    font-weight: 600;
}

.voice-toy-experience-item p {
    color: #666;
    line-height: 1.6;
}

/* 应用场景部分 */
.voice-toy-scenarios {
    padding: 100px 0;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
}

.voice-toy-scenarios h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 3rem;
    font-weight: 700;
}

.voice-toy-scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.voice-toy-scenario-card {
    background: rgba(255,255,255,0.1);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    transition: all 0.3s ease;
}

.voice-toy-scenario-card:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-5px);
}

.voice-toy-scenario-icon {
    width: 70px;
    height: 70px;
    background: rgba(255,255,255,0.2);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    color: white;
}

.voice-toy-scenario-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.voice-toy-scenario-card p {
    line-height: 1.6;
    opacity: 0.9;
}

/* 市场价值部分 */
.voice-toy-market-value {
    padding: 100px 0;
    background: #f8f9fa;
}

.voice-toy-market-value h2 {
    text-align: center;
    font-size: 2.8rem;
    color: #333;
    margin-bottom: 3rem;
    font-weight: 700;
}

.voice-toy-value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.voice-toy-value-item {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.voice-toy-value-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.voice-toy-value-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #4facfe, #00f2fe);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    color: white;
}

.voice-toy-value-item h3 {
    font-size: 1.4rem;
    color: #333;
    margin-bottom: 1rem;
    font-weight: 600;
}

.voice-toy-value-item p {
    color: #666;
    line-height: 1.6;
}

/* 联系咨询部分 */
.voice-toy-contact-cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.voice-toy-cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.voice-toy-cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.voice-toy-cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.voice-toy-cta-button {
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.voice-toy-cta-button.primary {
    background: white;
    color: #667eea;
}

.voice-toy-cta-button.primary:hover {
    background: #f8f9fa;
    transform: translateY(-2px);
}

.voice-toy-cta-button.secondary {
    background: rgba(255,255,255,0.1);
    color: white;
    border: 2px solid rgba(255,255,255,0.3);
}

.voice-toy-cta-button.secondary:hover {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-2px);
}

/* 打印样式 */
@media print {
    .header,
    .footer,
    .hero-buttons,
    .service-link,
    .contact-form {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.4;
    }

    .hero {
        background: none;
        color: black;
    }
}