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

:root {
    --primary-color: #2563eb;
    --secondary-color: #10b981;
    --dark-color: #1f2937;
    --light-color: #f3f4f6;
    --gray-color: #6b7280;
    --white-color: #ffffff;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.section-gray {
    background-color: var(--light-color);
}

.section-dark {
    background-color: var(--dark-color);
    color: var(--white-color);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.section-dark .section-title {
    color: var(--white-color);
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray-color);
    font-weight: 300;
}

.section-dark .section-subtitle {
    color: #d1d5db;
}

.text-center {
    text-align: center;
    margin-top: 40px;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 16px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white-color);
}

.btn-primary:hover {
    background-color: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

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

.btn-secondary:hover {
    background-color: #059669;
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

/* 导航栏 */
.header {
    background-color: var(--white-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 15px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-brand .logo {
    height: 45px;
    width: auto;
    object-fit: contain;
}

.nav-brand h1 {
    font-size: 24px;
    color: var(--primary-color);
    font-weight: 700;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    transition: var(--transition);
    padding: 8px 0;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--dark-color);
    margin: 3px 0;
    transition: var(--transition);
}

/* 主横幅 */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white-color);
    padding: 120px 0;
    text-align: center;
}

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

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 24px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* 公司简介 */
.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.intro-text h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.intro-text p {
    margin-bottom: 15px;
    line-height: 1.8;
    color: var(--gray-color);
}

.intro-text .btn {
    margin-top: 20px;
}

.intro-image img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

/* 产品网格 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.product-card {
    background-color: var(--white-color);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.product-icon {
    margin-bottom: 20px;
}

.product-icon img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 50%;
}

.product-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.product-card p {
    color: var(--gray-color);
    line-height: 1.6;
}

/* 新闻网格 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-card {
    background-color: var(--white-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.news-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.news-card:hover .news-image img {
    transform: scale(1.1);
}

.news-content {
    padding: 20px;
}

.news-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 14px;
    color: var(--gray-color);
}

.news-category {
    background-color: var(--primary-color);
    color: var(--white-color);
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 12px;
}

.news-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.news-content p {
    color: var(--gray-color);
    font-size: 14px;
    line-height: 1.6;
}

/* 数据统计 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-item {
    padding: 20px;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 18px;
    color: #d1d5db;
}

/* 联系CTA */
.contact-cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white-color);
}

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

.cta-content h2 {
    font-size: 36px;
    margin-bottom: 15px;
}

.cta-content p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.cta-buttons .btn {
    background-color: var(--white-color);
    color: var(--primary-color);
}

.cta-buttons .btn:hover {
    background-color: var(--light-color);
}

.cta-buttons .btn-secondary {
    background-color: transparent;
    color: var(--white-color);
    border: 2px solid var(--white-color);
}

.cta-buttons .btn-secondary:hover {
    background-color: var(--white-color);
    color: var(--primary-color);
}

/* 页脚 */
.footer {
    background-color: var(--dark-color);
    color: var(--white-color);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    color: var(--white-color);
}

.footer-section p {
    color: #d1d5db;
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #d1d5db;
    text-decoration: none;
    transition: var(--transition);
}

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

.qrcode {
    margin-top: 15px;
}

.qrcode img {
    width: 120px;
    height: 120px;
    border-radius: var(--border-radius);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #374151;
    color: #9ca3af;
}

/* 页面标题 */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white-color);
    padding: 80px 0;
    text-align: center;
}

.page-header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.page-header-logo {
    width: 150px;
    height: 150px;
    object-fit: contain;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.2));
}

.page-header-text {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-header h1 {
    font-size: 42px;
    margin-bottom: 10px;
}

.page-header p {
    font-size: 18px;
    opacity: 0.9;
}

/* 产品详情页 */
.product-intro .intro-content {
    margin-top: 40px;
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 20px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.feature-icon {
    color: var(--secondary-color);
    font-size: 20px;
    font-weight: 700;
}

.service-detail {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.service-card-large {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.service-card-large.reverse {
    direction: rtl;
}

.service-card-large.reverse > * {
    direction: ltr;
}

.service-image img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.service-content h3 {
    font-size: 28px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.service-desc {
    color: var(--gray-color);
    line-height: 1.8;
    margin-bottom: 20px;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 10px 0;
    border-bottom: 1px solid #e5e7eb;
    color: var(--gray-color);
}

.service-features li:last-child {
    border-bottom: none;
}

.service-features strong {
    color: var(--dark-color);
}

/* 服务流程 */
.process-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 40px;
}

.process-step {
    text-align: center;
    flex: 1;
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: var(--white-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 15px;
}

.process-step h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.process-step p {
    color: var(--gray-color);
    font-size: 14px;
}

.process-arrow {
    font-size: 30px;
    color: var(--primary-color);
    margin: 0 10px;
}

/* 服务优势 */
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.advantage-card {
    background-color: var(--white-color);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
}

.advantage-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.advantage-card h4 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.advantage-card p {
    color: var(--gray-color);
    line-height: 1.6;
}

/* 新闻页面 */
.news-tabs {
    padding: 40px 0;
    background-color: var(--white-color);
}

.tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.tab-btn {
    padding: 10px 30px;
    border: 2px solid var(--primary-color);
    background-color: transparent;
    color: var(--primary-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: var(--transition);
}

.tab-btn:hover,
.tab-btn.active {
    background-color: var(--primary-color);
    color: var(--white-color);
}

.news-items {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.news-item-large {
    background-color: var(--white-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    display: grid;
    grid-template-columns: 300px 1fr;
    transition: var(--transition);
}

.news-item-large:hover {
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.news-item-image {
    width: 300px;
    height: 200px;
    overflow: hidden;
}

.news-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-item-content {
    padding: 30px;
}

.news-item-content h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.news-item-content p {
    color: var(--gray-color);
    line-height: 1.8;
    margin-bottom: 15px;
}

.news-item-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.read-more:hover {
    text-decoration: underline;
}

/* 关于我们页面 */
.values-content {
    margin-top: 40px;
}

.value-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.value-intro h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.value-intro p {
    font-size: 18px;
    color: var(--gray-color);
    line-height: 1.8;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.value-card {
    background-color: var(--white-color);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
}

.value-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.value-card h4 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.value-card p {
    color: var(--gray-color);
    line-height: 1.6;
}

/* 发展历程 */
.timeline-content {
    max-width: 800px;
    margin: 0 auto;
}

.timeline-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 30px;
    margin-bottom: 40px;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 50px;
    top: 30px;
    bottom: -40px;
    width: 2px;
    background-color: var(--primary-color);
}

.timeline-item:last-child::before {
    display: none;
}

.timeline-year {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    background-color: var(--white-color);
    padding: 10px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    position: relative;
    z-index: 1;
}

.timeline-info {
    background-color: var(--white-color);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.timeline-info h4 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.timeline-info p {
    color: var(--gray-color);
    line-height: 1.6;
}

/* 联系我们 */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
}

.contact-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.contact-details p {
    color: var(--gray-color);
    line-height: 1.6;
}

.contact-form-wrapper {
    background-color: var(--light-color);
    padding: 40px;
    border-radius: var(--border-radius);
}

.contact-form-wrapper h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: var(--dark-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-color);
}

.form-group input,
.form-group textarea {
    padding: 12px;
    border: 1px solid #d1d5db;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* 微信联系样式 */
.wechat-contact {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    text-align: center;
}

.wechat-info h4 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.wechat-info p {
    color: var(--gray-color);
    line-height: 1.8;
    margin-bottom: 10px;
}

.wechat-features {
    list-style: none;
    text-align: left;
    display: inline-block;
}

.wechat-features li {
    padding: 8px 0;
    color: var(--gray-color);
    font-size: 15px;
}

.wechat-qrcode-large {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.wechat-qrcode-large img {
    width: 200px;
    height: 200px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    object-fit: contain;
    background-color: var(--white-color);
    padding: 10px;
}

.qrcode-tip {
    font-size: 14px;
    color: var(--gray-color);
    font-weight: 500;
}

.map-container {
    margin-top: 40px;
}

.map-container h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.map-placeholder {
    width: 100%;
    height: 400px;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.map-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 加入我们 */
.join-intro {
    max-width: 800px;
    margin: 0 auto 60px;
    text-align: center;
}

.join-intro h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.join-intro p {
    font-size: 18px;
    color: var(--gray-color);
    line-height: 1.8;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.benefit-card {
    background-color: var(--white-color);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
}

.benefit-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.benefit-card h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.benefit-card p {
    color: var(--gray-color);
    font-size: 14px;
    line-height: 1.6;
}

.job-openings {
    margin-top: 60px;
}

.job-openings h3 {
    font-size: 28px;
    margin-bottom: 30px;
    color: var(--dark-color);
    text-align: center;
}

.job-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.job-item {
    background-color: var(--white-color);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--light-color);
}

.job-header h4 {
    font-size: 24px;
    color: var(--dark-color);
}

.job-tag {
    background-color: var(--secondary-color);
    color: var(--white-color);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
}

.job-details p {
    margin-bottom: 10px;
    color: var(--gray-color);
}

.job-details ul {
    margin-top: 15px;
    padding-left: 20px;
}

.job-details li {
    margin-bottom: 8px;
    color: var(--gray-color);
    line-height: 1.6;
}

.join-cta {
    margin-top: 60px;
    text-align: center;
    background-color: var(--white-color);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.join-cta h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.join-cta p {
    color: var(--gray-color);
    font-size: 16px;
    margin-bottom: 10px;
}

.join-cta a {
    color: var(--primary-color);
    font-weight: 600;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .product-grid,
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantage-grid,
    .value-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-brand .logo {
        height: 38px;
    }
    
    .nav-brand h1 {
        font-size: 20px;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white-color);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--box-shadow);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .intro-content,
    .service-card-large,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .service-card-large.reverse {
        direction: ltr;
    }
    
    .wechat-qrcode-large img {
        width: 180px;
        height: 180px;
    }
    
    .page-header-logo {
        width: 120px;
        height: 120px;
    }
    
    .product-grid,
    .news-grid,
    .advantage-grid,
    .value-grid,
    .stats-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        flex-direction: column;
    }
    
    .process-arrow {
        transform: rotate(90deg);
        margin: 20px 0;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .news-item-large {
        grid-template-columns: 1fr;
    }
    
    .news-item-image {
        width: 100%;
        height: 200px;
    }
    
    .timeline-item {
        grid-template-columns: 80px 1fr;
        gap: 20px;
    }
    
    .timeline-item::before {
        left: 40px;
    }
    
    .timeline-year {
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .nav-brand .logo {
        height: 32px;
    }
    
    .nav-brand h1 {
        font-size: 18px;
    }
    
    .section {
        padding: 40px 0;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 24px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .wechat-qrcode-large img {
        width: 160px;
        height: 160px;
    }
    
    .page-header-logo {
        width: 100px;
        height: 100px;
    }
    
    .page-header h1 {
        font-size: 28px;
    }
    
    .page-header p {
        font-size: 16px;
    }
}