/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 全局样式 */
body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

#targetDiv {
    width: 100%;
    min-height: 100vh;
    background-color: #f8f9fa;
}

/* 容器 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 按钮样式 */
.downlbtnvmmn {
    display: inline-block;
    padding: 12px 30px;
    background-color: #1a73e8;
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    border-radius: 4px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

.downlbtnvmmn:hover {
    background-color: #1557b0;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(26, 115, 232, 0.3);
}

.btn-secondary {
    display: inline-block;
    padding: 12px 30px;
    background-color: transparent;
    color: #1a73e8;
    text-decoration: none;
    font-weight: 500;
    border-radius: 4px;
    transition: all 0.3s ease;
    border: 1px solid #1a73e8;
    margin-left: 20px;
    font-size: 16px;
}

.btn-secondary:hover {
    background-color: rgba(26, 115, 232, 0.08);
}

/* 头部样式 */
header {
    background-color: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    z-index: 1000;
    top: 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    height: 70px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #1a73e8;
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #5f6368;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #1a73e8;
}

.header-actions {
    display: flex;
    align-items: center;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1a73e8 0%, #4285f4 100%);
    color: #fff;
    padding: 120px 0 80px;
    text-align: center;
    margin-top: 70px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero p {
    font-size: 20px;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
}

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

/* 通用区块样式 */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 36px;
    text-align: center;
    margin-bottom: 20px;
    color: #202124;
    font-weight: 700;
}

.section-subtitle {
    font-size: 18px;
    text-align: center;
    margin-bottom: 50px;
    color: #5f6368;
}

/* 场景应用 */
.scenarios {
    background-color: #fff;
}

.scenarios h2 {
    font-size: 32px;
    margin-bottom: 10px;
}

.scenarios p {
    font-size: 18px;
    color: #5f6368;
    margin-bottom: 50px;
    text-align: center;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.scenario-item {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e8eaed;
}

.scenario-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    background-color: #fff;
}

.scenario-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #202124;
}

.scenario-item p {
    font-size: 16px;
    color: #5f6368;
    margin-bottom: 0;
}

/* 性能亮点 */
.performance {
    background-color: #f8f9fa;
}

.performance h2 {
    font-size: 32px;
    margin-bottom: 50px;
    text-align: center;
}

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

.performance-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.performance-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.performance-item h3 {
    font-size: 32px;
    margin-bottom: 10px;
    color: #1a73e8;
    font-weight: 700;
}

.performance-item p {
    font-size: 16px;
    color: #5f6368;
}

/* 解决方案 */
.solutions {
    background-color: #fff;
}

.solutions h2 {
    font-size: 32px;
    margin-bottom: 50px;
    text-align: center;
}

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

.solution-item {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
    border: 1px solid #e8eaed;
    transition: all 0.3s ease;
}

.solution-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    background-color: #fff;
}

.solution-item h3 {
    font-size: 22px;
    margin-bottom: 20px;
    color: #202124;
}

.solution-item p {
    font-size: 16px;
    color: #5f6368;
    line-height: 1.8;
}

/* 音视频技术 */
.video-audio {
    background-color: #f8f9fa;
}

.video-audio h2 {
    font-size: 32px;
    margin-bottom: 50px;
    text-align: center;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 40px;
}

.tech-item {
    background-color: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.tech-item h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #202124;
}

.tech-item p {
    font-size: 16px;
    color: #5f6368;
    line-height: 1.8;
}

/* 协作工具 */
.tools {
    background-color: #fff;
}

.tools h2 {
    font-size: 32px;
    margin-bottom: 50px;
    text-align: center;
}

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

.tool-item {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
    border: 1px solid #e8eaed;
    transition: all 0.3s ease;
}

.tool-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    background-color: #fff;
}

.tool-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #202124;
}

.tool-item p {
    font-size: 16px;
    color: #5f6368;
    line-height: 1.8;
}

/* 平台能力 */
.capabilities {
    background-color: #f8f9fa;
}

.capabilities h2 {
    font-size: 32px;
    margin-bottom: 50px;
    text-align: center;
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.capability-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.capability-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.capability-item h3 {
    font-size: 22px;
    margin-bottom: 20px;
    color: #202124;
}

.capability-item p {
    font-size: 16px;
    color: #5f6368;
    line-height: 1.8;
}

/* 下载召唤区 */
.download-cta {
    background: linear-gradient(135deg, #1a73e8 0%, #4285f4 100%);
    color: #fff;
    text-align: center;
    padding: 80px 0;
}

.download-cta h2 {
    font-size: 32px;
    margin-bottom: 40px;
    color: #fff;
}

.download-cta .downlbtnvmmn {
    background-color: #fff;
    color: #1a73e8;
    font-size: 18px;
    padding: 15px 40px;
}

.download-cta .downlbtnvmmn:hover {
    background-color: #f8f9fa;
    transform: translateY(-2px);
}

/* 页脚 */
footer {
    background-color: #202124;
    color: #fff;
    padding: 60px 0 30px;
}

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

.footer-section h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #fff;
}

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #fff;
}

.footer-section p {
    color: #9aa0a6;
    margin-bottom: 20px;
    line-height: 1.8;
}

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

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: #9aa0a6;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #3c4043;
    color: #9aa0a6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    /* 导航 */
    .nav-links {
        display: none;
    }
    
    /* Hero */
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero p {
        font-size: 18px;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    /* 通用区块 */
    section {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    /* 网格布局调整 */
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .capabilities-grid {
        grid-template-columns: 1fr;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    /* 按钮 */
    .hero-actions .btn-secondary {
        margin-left: 0;
        margin-top: 15px;
    }
}

/* 功能介绍页面样式 */
.core-features {
    background-color: #fff;
    padding: 80px 0;
}

.core-features h2 {
    font-size: 32px;
    margin-bottom: 50px;
    text-align: center;
    color: #202124;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 30px;
}

.feature-item {
    display: flex;
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
    border: 1px solid #e8eaed;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    background-color: #fff;
}

.feature-icon {
    font-size: 48px;
    margin-right: 25px;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-content h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #202124;
}

.feature-content p {
    font-size: 16px;
    color: #5f6368;
    line-height: 1.8;
}

/* 高级功能 */
.advanced-features {
    background-color: #f8f9fa;
    padding: 80px 0;
}

.advanced-features h2 {
    font-size: 32px;
    margin-bottom: 50px;
    text-align: center;
    color: #202124;
}

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

.advanced-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.advanced-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.advanced-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #202124;
}

.advanced-item p {
    font-size: 16px;
    color: #5f6368;
    line-height: 1.8;
}

/* 应用场景 */
.use-cases {
    background-color: #fff;
    padding: 80px 0;
}

.use-cases h2 {
    font-size: 32px;
    margin-bottom: 50px;
    text-align: center;
    color: #202124;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.use-case-item {
    background-color: #f8f9fa;
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    border: 1px solid #e8eaed;
    transition: all 0.3s ease;
}

.use-case-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    background-color: #fff;
}

.use-case-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: block;
}

.use-case-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #202124;
}

.use-case-item p {
    font-size: 16px;
    color: #5f6368;
    line-height: 1.8;
}

/* 召唤区 */
.cta {
    background-color: #1a73e8;
    color: #fff;
    text-align: center;
    padding: 80px 0;
}

.cta h2 {
    font-size: 32px;
    margin-bottom: 20px;
    color: #fff;
}

.cta p {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.95;
}

.cta .downlbtnvmmn {
    background-color: #fff;
    color: #1a73e8;
    font-size: 18px;
    padding: 15px 40px;
}

.cta .downlbtnvmmn:hover {
    background-color: #f8f9fa;
    transform: translateY(-2px);
}

/* 下载页面样式 */
.download-options {
    background-color: #fff;
    padding: 80px 0;
}

.download-options h2 {
    font-size: 32px;
    margin-bottom: 50px;
    text-align: center;
    color: #202124;
}

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

.download-item {
    background-color: #f8f9fa;
    border: 1px solid #e8eaed;
    border-radius: 8px;
    padding: 30px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.download-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    background-color: #fff;
}

.download-header {
    margin-bottom: 20px;
}

.download-header h3 {
    font-size: 22px;
    margin-bottom: 10px;
    color: #202124;
}

.version {
    font-size: 14px;
    color: #1a73e8;
    font-weight: 500;
}

.download-info {
    margin-bottom: 30px;
    flex-grow: 1;
}

.download-info p {
    font-size: 16px;
    color: #5f6368;
    margin-bottom: 10px;
    line-height: 1.8;
}

.download-actions {
    margin-top: auto;
}

.download-actions .downlbtnvmmn {
    width: 100%;
    text-align: center;
}

/* 系统要求 */
.requirements {
    background-color: #f8f9fa;
    padding: 80px 0;
}

.requirements h2 {
    font-size: 32px;
    margin-bottom: 50px;
    text-align: center;
    color: #202124;
}

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

.requirement-item {
    background-color: #fff;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.requirement-item h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #202124;
}

.requirement-item ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.requirement-item li {
    font-size: 16px;
    color: #5f6368;
    margin-bottom: 15px;
    position: relative;
    padding-left: 25px;
    line-height: 1.6;
}

.requirement-item li:before {
    content: "✓";
    color: #1a73e8;
    font-weight: bold;
    position: absolute;
    left: 0;
    top: 0;
}

/* FAQ页面样式 */
.faq {
    background-color: #fff;
    padding: 80px 0;
}

.faq-categories {
    display: flex;
    justify-content: center;
    margin-bottom: 50px;
    border-bottom: 1px solid #e8eaed;
}

.category-item {
    margin: 0 20px;
    padding: 15px 0;
    position: relative;
}

.category-item a {
    text-decoration: none;
    color: #5f6368;
    font-size: 18px;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 15px 0;
    display: inline-block;
}

.category-item a:hover {
    color: #1a73e8;
}

.category-item.active a {
    color: #1a73e8;
}

.category-item.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: #1a73e8;
}

.faq-content {
    max-width: 1000px;
    margin: 0 auto;
}

.faq-group {
    margin-bottom: 40px;
}

.faq-group h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #202124;
    border-bottom: 2px solid #e8eaed;
    padding-bottom: 15px;
}

.faq-item {
    border-bottom: 1px solid #e8eaed;
    margin-bottom: 15px;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background-color: rgba(26, 115, 232, 0.03);
}

.faq-question h4 {
    font-size: 18px;
    color: #202124;
    margin: 0;
    font-weight: 500;
}

.faq-toggle {
    font-size: 24px;
    color: #1a73e8;
    font-weight: bold;
    transition: transform 0.3s ease;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.faq-item.open .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    display: none;
    padding: 0 0 20px;
}

.faq-item.open .faq-answer {
    display: block;
}

.faq-answer p {
    font-size: 16px;
    color: #5f6368;
    line-height: 1.8;
    margin: 0;
}

/* 联系支持 */
.contact-support {
    background-color: #f8f9fa;
    padding: 80px 0;
    text-align: center;
}

.contact-support h2 {
    font-size: 32px;
    margin-bottom: 20px;
    color: #202124;
}

.contact-support p {
    font-size: 18px;
    margin-bottom: 40px;
    color: #5f6368;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 768px) {
    .faq-categories {
        flex-wrap: wrap;
        justify-content: flex-start;
    }
    
    .category-item {
        margin: 0 15px 10px 0;
    }
}

/* 教程页面样式 */
.tutorial-nav {
    background-color: #fff;
    border-bottom: 1px solid #e8eaed;
    position: sticky;
    top: 70px;
    z-index: 900;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.nav-tabs {
    display: flex;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-tab {
    margin: 0;
    padding: 0;
}

.nav-tab a {
    text-decoration: none;
    color: #5f6368;
    font-size: 18px;
    font-weight: 500;
    padding: 20px 30px;
    display: inline-block;
    transition: all 0.3s ease;
    position: relative;
}

.nav-tab a:hover {
    color: #1a73e8;
    background-color: rgba(26, 115, 232, 0.03);
}

.nav-tab.active a {
    color: #1a73e8;
    background-color: rgba(26, 115, 232, 0.05);
}

.nav-tab.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: #1a73e8;
}

.tutorial-section {
    padding: 80px 0;
    background-color: #fff;
    display: none;
}

.tutorial-section h2 {
    font-size: 32px;
    margin-bottom: 50px;
    text-align: center;
    color: #202124;
}

.tutorial-steps {
    max-width: 900px;
    margin: 0 auto;
}

.step-item {
    display: flex;
    margin-bottom: 40px;
    align-items: flex-start;
    position: relative;
    padding-left: 100px;
}

.step-item::before {
    content: '';
    position: absolute;
    left: 49px;
    top: 80px;
    bottom: -40px;
    width: 2px;
    background-color: #e8eaed;
}

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

.step-number {
    position: absolute;
    left: 0;
    top: 0;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: #1a73e8;
    color: #fff;
    font-size: 32px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    box-shadow: 0 4px 12px rgba(26, 115, 232, 0.3);
}

.step-content {
    background-color: #f8f9fa;
    border: 1px solid #e8eaed;
    border-radius: 8px;
    padding: 30px;
    flex: 1;
    transition: all 0.3s ease;
}

.step-content:hover {
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.step-content h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #202124;
}

.step-content p {
    font-size: 16px;
    color: #5f6368;
    line-height: 1.8;
    margin: 0;
}

/* 高级功能教程 */
.advanced-tutorials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.advanced-item {
    background-color: #f8f9fa;
    border: 1px solid #e8eaed;
    border-radius: 8px;
    padding: 30px;
    transition: all 0.3s ease;
}

.advanced-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    background-color: #fff;
}

.advanced-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #202124;
}

.advanced-item p {
    font-size: 16px;
    color: #5f6368;
    line-height: 1.8;
    margin: 0;
}

/* 使用技巧 */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.tip-item {
    background-color: #f8f9fa;
    border: 1px solid #e8eaed;
    border-radius: 8px;
    padding: 30px;
    transition: all 0.3s ease;
}

.tip-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    background-color: #fff;
}

.tip-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #202124;
}

.tip-item p {
    font-size: 16px;
    color: #5f6368;
    line-height: 1.8;
    margin: 0;
}

@media (max-width: 768px) {
    /* 功能介绍页面响应式 */
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-item {
        flex-direction: column;
        text-align: center;
    }
    
    .feature-icon {
        margin-right: 0;
        margin-bottom: 20px;
    }
    
    /* FAQ页面响应式 */
    .faq-categories {
        flex-wrap: wrap;
        justify-content: flex-start;
    }
    
    .category-item {
        margin: 0 15px 10px 0;
    }
    
    /* 教程页面响应式 */
    .tutorial-nav {
        top: 0;
    }
    
    .nav-tabs {
        overflow-x: auto;
        justify-content: flex-start;
    }
    
    .nav-tab a {
        padding: 15px 20px;
        font-size: 16px;
        white-space: nowrap;
    }
    
    .step-item {
        padding-left: 0;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .step-number {
        position: relative;
        margin-bottom: 20px;
    }
    
    .step-item::before {
        display: none;
    }
    
    .advanced-tutorials,
    .tips-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 24px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .tech-item, .capability-item, .tool-item {
        padding: 20px;
    }
}