/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    width: 100%;
}

/* 图片响应式处理 */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 确保所有容器不会溢出 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    overflow: hidden;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.nav-logo h2 {
    color: #2c3e50;
    font-weight: 700;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-logo i {
    color: #3498db;
    margin-right: 0.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #2c3e50;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #3498db;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #3498db;
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 1001;
}

.bar {
    width: 25px;
    height: 3px;
    background: #2c3e50;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.hamburger.active .bar:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

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

.hamburger.active .bar:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* 首页横幅 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #8B4513 0%, #D2691E 50%, #CD853F 100%);
    color: white;
    padding: 100px 0 50px;
    position: relative;
    overflow: hidden;
    width: 100%;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="..\external\svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    position: relative;
    z-index: 2;
    margin-left: 10%;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.8;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 1s ease 0.6s both;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-block;
    cursor: pointer;
}

.btn-primary {
    background: #D2691E;
    color: white;
}

.btn-primary:hover {
    background: #CD853F;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(210, 105, 30, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #8B4513;
    transform: translateY(-2px);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 2;
    margin-right: 10%;
}

.hero-placeholder {
    /* width: 300px; */
    /* height: 300px; */
    /* background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05)); */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    /* box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2); */
    animation: float 3s ease-in-out infinite;
    position: relative;
    z-index: 2;
    overflow: hidden;
}

.hero-placeholder img {
    max-width: 100%;
    height: auto;
    border-radius: 50%;
    object-fit: cover;
}

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

.section-header h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    position: relative;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #D2691E, #CD853F);
    border-radius: 2px;
}

.section-header p {
    font-size: 1.1rem;
    color: #7f8c8d;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 关于我们 */
.about {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 50%, #f8f9fa 100%);
    position: relative;
    overflow: hidden;
    width: 100%;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="..\external\svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(210,105,30,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
    opacity: 0.5;
}

.about .container {
    position: relative;
    z-index: 2;
}

.about .section-header {
    text-align: center;
    margin-bottom: 4rem;
    animation: fadeInUp 1s ease;
}

.about .section-header h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

.about .section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #D2691E, #CD853F);
    border-radius: 2px;
}

.about .section-header p {
    font-size: 1.1rem;
    color: #555;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
    text-align: justify;
    text-indent: 2em;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
    animation: fadeInUp 1s ease 0.2s both;
    width: 100%;
    max-width: 100%;
}

.about-text {
    background: rgba(255, 255, 255, 0.9);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.about-text h3 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    position: relative;
    padding-left: 1rem;
}

.about-text h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 25px;
    background: linear-gradient(135deg, #D2691E, #CD853F);
    border-radius: 2px;
}

.about-text p {
    margin-bottom: 2.5rem;
    color: #555;
    line-height: 1.8;
    font-size: 1.05rem;
    text-align: justify;
}

.timeline {
    margin-top: 3rem;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 40px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, #D2691E, #CD853F);
    border-radius: 1px;
}

.timeline-item {
    display: flex;
    margin-bottom: 2.5rem;
    position: relative;
    animation: slideInLeft 0.8s ease both;
}

.timeline-item:nth-child(1) { animation-delay: 0.1s; }
.timeline-item:nth-child(2) { animation-delay: 0.2s; }
.timeline-item:nth-child(3) { animation-delay: 0.3s; }
.timeline-item:nth-child(4) { animation-delay: 0.4s; }

.timeline-item::before {
    content: '';
    position: absolute;
    left: 39px;
    top: 15px;
    width: 12px;
    height: 12px;
    background: #D2691E;
    border: 3px solid white;
    border-radius: 50%;
    box-shadow: 0 0 0 3px rgba(210, 105, 30, 0.3);
    z-index: 2;
}

.timeline-year {
    background: linear-gradient(135deg, #D2691E, #CD853F);
    color: white;
    padding: 3.5rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    margin-right: 2rem;
    min-width: 100px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(210, 105, 30, 0.3);
    position: relative;
    z-index: 1;
}

.timeline-year::after {
    content: '';
    position: absolute;
    right: -10px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 10px solid #CD853F;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
}

.timeline-content {
    flex: 1;
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-left: 4px solid #D2691E;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.timeline-content:hover {
    transform: translateX(5px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15);
}

.timeline-content h4 {
    color: #2c3e50;
    margin-bottom: 0.8rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.timeline-content p {
    color: #7f8c8d;
    margin: 0;
    line-height: 1.6;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    animation: fadeInUp 1s ease 0.4s both;
    width: 100%;
    max-width: 100%;
}

.stat-item {
    text-align: center;
    padding: 2.5rem 1.5rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.7));
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s ease;
}

.stat-item:hover::before {
    left: 100%;
}

.stat-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(210, 105, 30, 0.2);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #D2691E, #CD853F);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.8rem;
    display: block;
    position: relative;
}

.stat-number::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #D2691E, #CD853F);
    border-radius: 2px;
}

.stat-label {
    color: #2c3e50;
    font-weight: 600;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 添加新的动画 */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .product-content {
        gap: 3rem;
    }
    
    .product-placeholder {
        width: 350px;
        height: 350px;
        max-width: 350px;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(255, 255, 255, 0.95);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        backdrop-filter: blur(10px);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 120px 0 50px;
    }
    
    .hero-content {
        margin-left: 0;
        margin-bottom: 2rem;
    }
    
    .hero-image {
        width: 100%;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .hero-placeholder {
        width: 250px;
        height: 250px;
    }
    
    .hero-placeholder img {
        max-width: 100%;
        height: auto;
    }
    
    .product-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .product-image {
        flex: none;
        width: 100%;
    }
    
    .product-info {
        flex: none;
        width: 100%;
    }
    
    .product-placeholder {
        width: 250px;
        height: 250px;
        max-width: 250px;
    }
    
    .product-placeholder img {
        max-width: 100%;
        height: auto;
    }
    
    .scenarios {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }
    
    .scenario-item {
        padding: 0.8rem;
    }
    
    .product-cta {
        text-align: center;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        flex-direction: column;
        margin-bottom: 2rem;
    }
    
    .timeline-item::before {
        left: 19px;
        top: 10px;
    }
    
    .timeline-year {
        margin-right: 0;
        margin-bottom: 1rem;
        align-self: flex-start;
        margin-left: 50px;
    }
    
    .timeline-content {
        margin-left: 50px;
        margin-top: 0.5rem;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .contact {
        padding: 60px 0;
    }
    
    .contact-content {
        justify-content: center;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        max-width: 100%;
    }
    
    .contact-item {
        padding: 1.2rem;
        flex-direction: row;
        align-items: flex-start;
        text-align: left;
    }
    
    .contact-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
        margin-right: 1rem;
        margin-bottom: 0;
        flex-shrink: 0;
    }
    
    .contact-details h3 {
        font-size: 1rem;
        margin-bottom: 0.3rem;
    }
    
    .contact-details p {
        font-size: 0.9rem;
        line-height: 1.3;
        word-break: break-word;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        align-items: stretch;
    }
    
    .about-text {
        padding: 2rem;
        order: 1;
    }
    
    .about-stats {
        order: 2;
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .stat-item {
        padding: 2rem 1rem;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
    
    .stat-label {
        font-size: 0.9rem;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        flex-direction: column;
        margin-bottom: 2rem;
    }
    
    .timeline-item::before {
        left: 19px;
        top: 10px;
    }
    
    .timeline-year {
        margin-right: 0;
        margin-bottom: 1rem;
        align-self: flex-start;
        margin-left: 50px;
        padding: 2rem 1rem;
        font-size: 1rem;
        min-width: 90px;
    }
    
    .timeline-content {
        margin-left: 50px;
        margin-top: 0.5rem;
        padding: 1.2rem;
    }
    
    .timeline-content h4 {
        font-size: 1.2rem;
    }
    
    .timeline-content p {
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-description {
        font-size: 0.95rem;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .section-header p {
        font-size: 0.95rem;
    }
    
    .about-content {
        gap: 1.5rem;
    }
    
    .about-text {
        padding: 1.5rem;
    }
    
    .about-text h3 {
        font-size: 1.4rem;
        margin-bottom: 1rem;
    }
    
    .about-text p {
        font-size: 0.95rem;
        margin-bottom: 2rem;
    }
    
    .timeline::before {
        left: 15px;
    }
    
    .timeline-item {
        margin-bottom: 1.5rem;
    }
    
    .timeline-item::before {
        left: 14px;
        width: 10px;
        height: 10px;
    }
    
    .timeline-year {
        margin-left: 40px;
        padding: 1.5rem 0.8rem;
        font-size: 0.9rem;
        min-width: 80px;
    }
    
    .timeline-content {
        margin-left: 40px;
        padding: 1rem;
    }
    
    .timeline-content h4 {
        font-size: 1.1rem;
        margin-bottom: 0.5rem;
    }
    
    .timeline-content p {
        font-size: 0.9rem;
        line-height: 1.4;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.8rem;
    }
    
    .stat-item {
        padding: 1.5rem 0.8rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
    }
    
    .stat-label {
        font-size: 0.8rem;
    }
    
    .hero-placeholder {
        width: 300px;
        height: 300px;
        font-size: 2.5rem;
    }
    
    .product-placeholder {
        width: 200px;
        height: 200px;
    }
    
    .product-placeholder i {
        font-size: 3rem;
    }
    
    .nav-logo h2 {
        font-size: 1.2rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .product-info h3 {
        font-size: 1.2rem;
        margin-bottom: 1rem;
    }
    
    .product-features {
        margin-bottom: 1.5rem;
    }
    
    .product-features li {
        font-size: 0.85rem;
        margin-bottom: 0.6rem;
        text-align: left;
        padding-left: 0.5rem;
    }
    
    .product-features i {
        font-size: 1rem;
        margin-right: 0.8rem;
    }
    
    .scenarios {
        grid-template-columns: 1fr;
        gap: 0.6rem;
        margin-bottom: 1.5rem;
    }
    
    .scenario-item {
        padding: 0.8rem 0.6rem;
        font-size: 0.85rem;
        border-radius: 6px;
    }
    
    .scenario-item i {
        font-size: 1rem;
        margin-right: 0.5rem;
    }
    
    .product-cta {
        margin-top: 1.5rem;
    }
    
    .product-cta .btn {
        padding: 12px 20px;
        font-size: 0.9rem;
        width: 100%;
        max-width: 200px;
    }
    
    .culture-card {
        padding: 1.5rem;
    }
    
    .culture-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .culture-card h3 {
        font-size: 1.1rem;
    }
    
    .culture-card p {
        font-size: 0.9rem;
    }
    
    .contact {
        padding: 40px 0;
    }
    
    .contact-content {
        justify-content: center;
    }
    
    .contact-info {
        gap: 1rem;
    }
    
    .contact-item {
        padding: 1rem;
        flex-direction: row;
        text-align: left;
        align-items: flex-start;
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }
    
    .contact-icon {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
        margin-right: 0.8rem;
        margin-bottom: 0;
        flex-shrink: 0;
    }
    
    .contact-details {
        flex: 1;
        min-width: 0;
    }
    
    .contact-details h3 {
        font-size: 0.95rem;
        margin-bottom: 0.3rem;
    }
    
    .contact-details p {
        font-size: 0.8rem;
        line-height: 1.2;
        word-break: break-all;
    }
    
    .contact-item:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-section {
        text-align: center;
    }
    
    .footer-section h3,
    .footer-section h4 {
        font-size: 1.1rem;
    }
    
    .footer-section p {
        font-size: 0.9rem;
    }
    
    .social-links {
        justify-content: center;
        gap: 0.8rem;
    }
    
    .social-links a {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }
    
    .cases {
        padding: 60px 0;
    }
    
    .case-content {
        padding: 1rem;
    }
    
    .case-content h3 {
        font-size: 1.1rem;
    }
    
    .cases-summary {
        grid-template-columns: 1fr;
    }
    
    .summary-content h4 {
        font-size: 0.9rem;
    }
    
    .summary-content p {
        font-size: 1rem;
    }
}

/* 超小屏幕优化 */
@media (max-width: 320px) {
    .contact {
        padding: 30px 0;
    }
    
    .contact-item {
        padding: 0.8rem;
        margin-bottom: 0.5rem;
        flex-direction: row;
        align-items: flex-start;
    }
    
    .contact-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
        margin-right: 0.6rem;
        margin-bottom: 0;
    }
    
    .contact-details h3 {
        font-size: 0.9rem;
    }
    
    .contact-details p {
        font-size: 0.8rem;
        line-height: 1.2;
        word-break: break-all;
    }
    
    .stat-label {
        font-size: 0.7rem;
    }
    
    .about-content {
        gap: 1rem;
    }
    
    .about-text {
        padding: 1rem;
    }
    
    .about-text h3 {
        font-size: 1.2rem;
        margin-bottom: 0.8rem;
    }
    
    .about-text p {
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
    }
    
    .timeline::before {
        left: 12px;
    }
    
    .timeline-item {
        margin-bottom: 1rem;
    }
    
    .timeline-item::before {
        left: 11px;
        width: 8px;
        height: 8px;
    }
    
    .timeline-year {
        margin-left: 30px;
        padding: 1rem 0.6rem;
        font-size: 0.8rem;
        min-width: 70px;
    }
    
    .timeline-content {
        margin-left: 30px;
        padding: 0.8rem;
    }
    
    .timeline-content h4 {
        font-size: 1rem;
        margin-bottom: 0.3rem;
    }
    
    .timeline-content p {
        font-size: 0.85rem;
        line-height: 1.3;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    
    .stat-item {
        padding: 1rem 0.6rem;
    }
    
    .stat-number {
        font-size: 1.3rem;
        margin-bottom: 0.3rem;
    }
    
    .stat-label {
        font-size: 0.7rem;
    }
}

/* 国学文化 */
.culture {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

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

.culture-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
}

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

.culture-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #D2691E, #CD853F);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.culture-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.culture-card p {
    color: #7f8c8d;
    line-height: 1.6;
}

/* 新闻动态 */
.news {
    padding: 80px 0;
    background: white;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.news-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    display: flex;
    border: 1px solid #f0f0f0;
}

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

.news-date {
    background: linear-gradient(135deg, #D2691E, #CD853F);
    color: white;
    padding: 1rem;
    text-align: center;
    min-width: 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-date .day {
    font-size: 1.5rem;
    font-weight: 700;
    display: block;
}

.news-date .month {
    font-size: 0.9rem;
    opacity: 0.9;
}

.news-content {
    padding: 1.5rem;
    flex: 1;
}

.news-content h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.news-content p {
    color: #7f8c8d;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.read-more {
    color: #D2691E;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: #CD853F;
}

/* 联系我们 */
.contact {
    padding: 80px 0;
    background: #f8f9fa;
}

.contact-content {
    display: flex;
    justify-content: center;
    align-items: center;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 800px;
    width: 100%;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    border-color: rgba(210, 105, 30, 0.2);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #D2691E, #CD853F);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.contact-item:hover .contact-icon {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(210, 105, 30, 0.3);
}

.contact-details {
    flex: 1;
    min-width: 0;
}

.contact-details h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.contact-details p {
    color: #7f8c8d;
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.4;
    word-break: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
}

/* 页脚 */
.footer {
    background: #2c3e50;
    color: white;
    padding: 50px 0 20px;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #D2691E;
}

.footer-section p {
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

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

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

.footer-section ul li a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-section ul li a:hover {
    opacity: 1;
    color: #D2691E;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: #D2691E;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: background 0.3s ease;
}

.social-links a:hover {
    background: #CD853F;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    opacity: 0.8;
}

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

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

/* 客户案例板块 */
.cases {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

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

.case-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    animation: fadeInUp 0.8s ease;
}

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

.case-image {
    height: 200px;
    background: linear-gradient(135deg, #8B4513 0%, #D2691E 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.case-placeholder {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.case-placeholder i {
    font-size: 2rem;
    color: white;
}

.case-content {
    padding: 1.5rem;
}

.case-content h3 {
    color: #2c3e50;
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.case-location {
    color: #7f8c8d;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.case-location i {
    color: #e74c3c;
}

.case-description {
    color: #555;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.case-stats {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.stat {
    text-align: center;
    flex: 1;
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: #D2691E;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.8rem;
    color: #7f8c8d;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.tag {
    background: #e8f4fd;
    color: #3498db;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.cases-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.summary-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

.summary-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #8B4513 0%, #D2691E 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.summary-content h4 {
    color: #2c3e50;
    font-size: 1rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.summary-content p {
    color: #D2691E;
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0;
}

.cases-cta {
    text-align: center;
    margin-top: 2rem;
}

.cases-cta .btn {
    padding: 15px 40px;
    font-size: 1.1rem;
    background: linear-gradient(135deg, #8B4513 0%, #D2691E 100%);
    color: white;
    border-radius: 50px;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(139, 69, 19, 0.3);
}

.cases-cta .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(139, 69, 19, 0.4);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .case-stats {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .cases-summary {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        padding: 1.5rem;
    }
    
    .summary-item {
        flex-direction: column;
        text-align: center;
    }
    
    .summary-icon {
        width: 50px;
        height: 50px;
    }
    
    .summary-icon i {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .cases {
        padding: 60px 0;
    }
    
    .case-content {
        padding: 1rem;
    }
    
    .case-content h3 {
        font-size: 1.1rem;
    }
    
    .cases-summary {
        grid-template-columns: 1fr;
    }
    
    .summary-content h4 {
        font-size: 0.9rem;
    }
    
    .summary-content p {
        font-size: 1rem;
    }
}

/* 产品部分移动端样式 */
.product-section-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.product-content, .product-scenarios {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.04);
    padding: 2rem;
}

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

.product-info {
    /* 移除flex相关设置 */
}

.product-cta {
    text-align: center;
}

/* 产品部分小屏幕优化 */
.product-info h3 {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #a0522d;
    margin-bottom: 1.2rem;
    letter-spacing: 2px;
    position: relative;
}
.product-info h3::after {
    content: '';
    display: block;
    margin: 0.5rem auto 0 auto;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #d2691e 0%, #cd853f 100%);
    border-radius: 2px;
}
.product-features {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
    margin-bottom: 2.2rem;
    padding: 0;
}
.product-features li {
    background: #fff7f0;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(210,105,30,0.07);
    display: flex;
    align-items: center;
    padding: 1rem 1.2rem;
    font-size: 1.08rem;
    color: #6b3a1c;
    font-weight: 500;
    transition: box-shadow 0.3s, transform 0.3s;
}
.product-features li:hover {
    box-shadow: 0 6px 24px rgba(210,105,30,0.13);
    transform: translateY(-3px) scale(1.03);
}
.product-features i {
    font-size: 1.5rem;
    color: #d2691e;
    margin-right: 1.1rem;
    flex-shrink: 0;
    transition: color 0.3s;
}
@media (max-width: 768px) {
    .product-info h3 {
        font-size: 1.2rem;
    }
    .product-features li {
        font-size: 0.98rem;
        padding: 0.8rem 0.7rem;
    }
    .product-features i {
        font-size: 1.2rem;
        margin-right: 0.7rem;
    }
}

.scenario-item {
    padding: 0.8rem 0.6rem;
    font-size: 0.9rem;
    border-radius: 8px;
}

.scenario-item i {
    font-size: 1.1rem;
    margin-right: 0.5rem;
}

.product-cta {
    margin-top: 1.5rem;
}

.product-cta .btn {
    padding: 12px 24px;
    font-size: 0.95rem;
    width: 100%;
    max-width: 220px;
}

@media (max-width: 768px) {
    .product-section-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .product-content, .product-scenarios {
        padding: 1rem;
        box-shadow: none;
    }
}

.product-scenarios {
    margin-top: 2rem;
    background: #faf7f2;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(210,105,30,0.06);
    padding: 2.5rem 2rem 2rem 2rem;
}
.product-scenarios h3 {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    letter-spacing: 2px;
    color: #a0522d;
    position: relative;
}
.product-scenarios h3::after {
    content: '';
    display: block;
    margin: 0.5rem auto 0 auto;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #d2691e 0%, #cd853f 100%);
    border-radius: 2px;
}
.scenarios {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 1.5rem;
}
.scenario-item {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(210,105,30,0.07);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 0.5rem;
    transition: box-shadow 0.3s, transform 0.3s;
    cursor: pointer;
}
.scenario-item:hover {
    box-shadow: 0 6px 24px rgba(210,105,30,0.15);
    transform: translateY(-4px) scale(1.04);
}
.scenario-item i {
    font-size: 2.2rem;
    color: #d2691e;
    margin-bottom: 0.7rem;
    transition: color 0.3s;
}
.scenario-item span {
    font-weight: 600;
    color: #6b3a1c;
    font-size: 1.1rem;
    letter-spacing: 1px;
}
@media (max-width: 768px) {
    .scenarios {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
    .product-scenarios {
        padding: 1.2rem 0.5rem 1rem 0.5rem;
    }
}
@media (max-width: 480px) {
    .scenarios {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }
    .product-scenarios {
        padding: 0.7rem 0.2rem 0.7rem 0.2rem;
    }
}

/* 产品部分 */
.product {
    padding: 80px 0;
    background: linear-gradient(135deg, #faf7f2 0%, #fff5ee 100%);
}

.product-content {
    display: flex;
    gap: 4rem;
    align-items: center;
    margin-bottom: 3rem;
}

.product-image {
    flex: 1;
    text-align: center;
}

.product-placeholder {
    width: 400px;
    height: 400px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(210, 105, 30, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    transition: all 0.3s ease;
    border: 2px solid #f0f0f0;
}

.product-placeholder:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(210, 105, 30, 0.2);
}

.product-placeholder img {
    max-width: 80%;
    height: auto;
    margin-bottom: 1rem;
}

.product-placeholder p {
    color: #a0522d;
    font-weight: 600;
    font-size: 1.1rem;
    margin-top: 1rem;
}

.product-info {
    flex: 1;
}