/* 全局样式和变量 */
:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 16px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.nav-links .cta-button {
    background: var(--primary-color);
    color: white;
    padding: 10px 24px;
    border-radius: 8px;
    transition: all 0.3s;
}

.nav-links .cta-button:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Hero 区域 */
.hero {
    margin-top: 80px;
    padding: 80px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
    min-height: calc(100vh - 80px);
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    animation: float 3s ease-in-out infinite;
}

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

.badge-icon {
    font-size: 16px;
}

.hero-title {
    font-size: 64px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
}

.store-button,
.download-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: var(--shadow-md);
}

.store-button {
    background: white;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.store-button:hover {
    border-color: #4285F4;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.store-button svg {
    width: 24px;
    height: 24px;
}

.download-button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
}

.download-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.download-button svg {
    transition: transform 0.3s;
}

.download-button:hover svg {
    transform: translateY(2px);
}

/* 浏览器支持区域 */
.browser-support {
    margin-bottom: 48px;
}

.support-text {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 12px;
    text-align: center;
}

.browser-icons {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.browser-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
    cursor: pointer;
}

.browser-icon:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.browser-icon svg {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-avatars {
    display: flex;
    align-items: center;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    border: 3px solid white;
    margin-left: -12px;
}

.avatar:first-child {
    margin-left: 0;
}

.avatar-count {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-weight: 600;
    border: 3px solid white;
    margin-left: -12px;
    font-size: 14px;
}

.stat-text {
    color: var(--text-secondary);
}

/* Hero 图片区域 */
.hero-image {
    flex: 1;
    position: relative;
    height: 500px;
}

.floating-card {
    position: absolute;
    background: white;
    padding: 20px;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 16px;
    animation: float-card 3s ease-in-out infinite;
}

.card-1 {
    top: 50px;
    left: 50px;
    animation-delay: 0s;
}

.card-2 {
    top: 200px;
    right: 50px;
    animation-delay: 1s;
}

.card-3 {
    bottom: 100px;
    left: 100px;
    animation-delay: 2s;
}

@keyframes float-card {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.card-icon {
    font-size: 32px;
}

.card-title {
    font-weight: 600;
    font-size: 16px;
}

.card-subtitle {
    color: var(--text-secondary);
    font-size: 14px;
}

/* 演示视频区域 */
.demo-video {
    padding: 120px 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.section-description {
    text-align: center;
    color: var(--text-secondary);
    font-size: 18px;
    margin-top: 16px;
}

.video-container {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.video-placeholder {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    cursor: pointer;
    transition: all 0.3s;
}

.video-placeholder:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.3);
}

.video-placeholder:hover .video-play-button {
    transform: translate(-50%, -50%) scale(1.1);
}

.video-thumbnail {
    width: 100%;
    height: auto;
    display: block;
}

.video-play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    cursor: pointer;
    transition: transform 0.3s;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.2));
}

.video-caption {
    margin-top: 24px;
    color: var(--text-secondary);
    font-size: 16px;
}

/* 产品展示区域 */
.product-showcase {
    padding: 120px 0;
    background: white;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.showcase-item {
    background: var(--bg-secondary);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.showcase-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.showcase-item.large {
    grid-column: span 2;
}

.showcase-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.showcase-item.large .showcase-image {
    height: 400px;
}

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

.showcase-item:hover .showcase-image img {
    transform: scale(1.05);
}

.showcase-content {
    padding: 24px;
}

.showcase-content h3 {
    font-size: 20px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.showcase-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 平台支持区域 */
.platforms {
    background: var(--bg-secondary);
    padding: 80px 0;
}

.platforms-title {
    text-align: center;
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 40px;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.platform-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s;
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
}

.platform-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.platform-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: #f8fafc;
    border: 1px solid var(--border-color);
}

.platform-icon img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    display: block;
}

.platform-card h3 {
    font-size: 24px;
    margin-bottom: 8px;
}

.platform-card p {
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* 功能区域 */
.features {
    padding: 120px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-badge {
    display: inline-block;
    background: var(--bg-secondary);
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    position: relative;
    background: white;
    padding: 32px;
    border-radius: 16px;
    border: 2px solid var(--border-color);
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-tag {
    position: absolute;
    top: -12px;
    right: 24px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
}

.feature-preview {
    background: var(--bg-secondary);
    padding: 16px;
    border-radius: 12px;
}

.folder-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    border-radius: 8px;
    margin-bottom: 4px;
    transition: background 0.3s;
}

.folder-item:hover {
    background: white;
}

.folder-item.nested {
    margin-left: 20px;
}

.folder-icon {
    font-size: 16px;
}

.bookmark-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    border-radius: 8px;
    margin-bottom: 4px;
}

.star {
    color: #fbbf24;
}

.search-box {
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 12px 40px 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    outline: none;
}

.search-icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
}

.prompt-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    border-radius: 8px;
    margin-bottom: 4px;
    font-size: 14px;
}

.prompt-tag {
    background: var(--primary-color);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
}

.shortcut-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px;
}

kbd {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    padding: 4px 12px;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.badge-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.mini-badge {
    background: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

/* 评价区域 */
.testimonials {
    background: var(--bg-secondary);
    padding: 120px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.testimonial-card {
    position: relative;
    background: white;
    padding: 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.stars {
    font-size: 18px;
    margin-bottom: 16px;
}

.testimonial-text {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 18px;
}

.author-name {
    font-weight: 600;
    font-size: 16px;
}

.author-role {
    color: var(--text-secondary);
    font-size: 14px;
}

.verified-badge {
    position: absolute;
    top: 24px;
    right: 24px;
    color: #10b981;
    font-size: 12px;
    font-weight: 600;
}

/* FAQ 区域 */
.faq {
    padding: 120px 0;
}

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

.faq-item {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    transition: all 0.3s;
}

.faq-item:hover {
    border-color: var(--primary-color);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    cursor: pointer;
    user-select: none;
}

.faq-question h3 {
    font-size: 18px;
    font-weight: 600;
}

.faq-icon {
    font-size: 24px;
    font-weight: 300;
    color: var(--text-secondary);
    transition: transform 0.3s;
}

.faq-answer {
    padding: 0 24px 24px;
    color: var(--text-secondary);
    line-height: 1.8;
    display: none;
}

.faq-answer p {
    margin-bottom: 12px;
}

.faq-answer ul {
    margin-left: 20px;
    margin-bottom: 12px;
}

.faq-answer a {
    color: var(--primary-color);
    text-decoration: none;
}

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

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

/* 下载区域 */
.download-section {
    padding: 120px 0;
    background: var(--bg-secondary);
}

.download-options {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 60px;
}

.download-option {
    background: white;
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    border: 2px solid var(--border-color);
    transition: all 0.3s;
    position: relative;
}

.download-option:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.download-option.highlighted {
    border-color: transparent;
    background: linear-gradient(white, white) padding-box,
                linear-gradient(135deg, #667eea 0%, #764ba2 50%, #ec4899 100%) border-box;
    border: 2px solid transparent;
    box-shadow: 0 8px 40px rgba(102, 126, 234, 0.18);
    max-width: 520px;
    width: 100%;
    padding: 48px 56px;
}

.download-option.highlighted:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(102, 126, 234, 0.28);
}

.download-option.highlighted .option-icon {
    margin-bottom: 28px;
}

.download-option.highlighted h3 {
    font-size: 24px;
    margin-bottom: 12px;
}

.download-option.highlighted .option-button.primary {
    padding: 16px 40px;
    font-size: 18px;
    border-radius: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.download-option.highlighted .option-button.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
}

.popular-badge {
    position: absolute;
    top: -12px;
    right: 24px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    padding: 6px 16px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.option-icon {
    margin-bottom: 24px;
}

.download-option h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.download-option p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.6;
}

.option-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    width: 100%;
    justify-content: center;
}

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

.option-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.option-button.secondary {
    background: white;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.option-button.secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.version-info {
    margin-top: 16px;
    font-size: 12px;
    color: var(--text-secondary);
}

/* 安装指南 */
.installation-guide {
    background: white;
    padding: 40px;
    border-radius: 16px;
    margin-top: 40px;
}

.installation-guide h3 {
    font-size: 24px;
    margin-bottom: 32px;
    text-align: center;
}

.guide-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.guide-step {
    display: flex;
    gap: 16px;
}

.step-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.step-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

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

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-description {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-button-large {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: white;
    color: var(--primary-color);
    border: none;
    padding: 20px 40px;
    border-radius: 12px;
    font-size: 20px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: var(--shadow-xl);
}

.cta-button-large:hover {
    transform: translateY(-4px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.cta-note {
    margin-top: 24px;
    opacity: 0.8;
    font-size: 16px;
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 80px 0 40px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 60px;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand .logo span {
    color: white;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-links {
    display: flex;
    gap: 80px;
}

.footer-column h4 {
    margin-bottom: 16px;
    font-size: 16px;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-social {
    display: flex;
    gap: 24px;
}

.footer-social a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-social a:hover {
    color: white;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
    }

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

    .hero-image {
        display: none;
    }

    .hero-buttons {
        justify-content: center;
    }

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

    .showcase-item.large {
        grid-column: span 1;
    }

    .features-grid,
    .platforms-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        flex-direction: column;
        gap: 40px;
    }

    .footer-links {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero-title {
        font-size: 40px;
    }

    .hero-description {
        font-size: 16px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .store-button,
    .download-button {
        width: 100%;
        justify-content: center;
    }

    .browser-icons {
        flex-wrap: wrap;
    }

    .demo-video,
    .product-showcase,
    .features,
    .testimonials,
    .download-section {
        padding: 60px 0;
    }

    .video-play-button svg {
        width: 60px;
        height: 60px;
    }

    .showcase-image,
    .showcase-item.large .showcase-image {
        height: 200px;
    }

    .features-grid,
    .platforms-grid,
    .testimonials-grid,
    .showcase-grid,
    .download-options,
    .guide-steps {
        grid-template-columns: 1fr;
    }

    .showcase-item.large {
        grid-column: span 1;
    }

    .download-option.highlighted {
        transform: none;
        padding: 36px 24px;
    }

    .download-option.highlighted:hover {
        transform: translateY(-8px);
    }

    .section-title {
        font-size: 32px;
    }

    .cta-title {
        font-size: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}