/* 
 * 视频创作网站主样式表
 * 移动端优先设计 - 2026年SEO优化版本
 * 独特配色方案：深紫色 + 金色 + 暗色系
 */

/* CSS变量定义 */
:root {
    --primary-color: #6B21A8;
    --primary-light: #9333EA;
    --primary-dark: #4C1D95;
    --accent-color: #F59E0B;
    --accent-light: #FBBF24;
    --background-dark: #0F0F1A;
    --background-card: #1A1A2E;
    --background-section: #16162A;
    --text-primary: #F8FAFC;
    --text-secondary: #CBD5E1;
    --text-muted: #94A3B8;
    --border-color: #334155;
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --error-color: #EF4444;
    --gradient-primary: linear-gradient(135deg, #6B21A8 0%, #9333EA 50%, #C026D3 100%);
    --gradient-accent: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(147, 51, 234, 0.3);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    --font-primary: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-display: 'Noto Serif SC', 'STSong', serif;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    background-color: var(--background-dark);
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 图片优化 */
img {
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* 链接样式 */
a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-light);
}

/* 容器 */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 16px;
}

@media (min-width: 768px) {
    .container {
        padding: 0 24px;
    }
}

@media (min-width: 1200px) {
    .container {
        padding: 0 40px;
    }
}

/* 导航栏 - 非sticky */
.site-header {
    background: var(--background-card);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 0;
    position: relative;
    z-index: 100;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.site-logo img {
    height: 40px;
    width: auto;
}

.site-logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: var(--font-display);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

@media (min-width: 992px) {
    .mobile-menu-btn {
        display: none;
    }
}

/* 主导航 */
.main-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 8px;
    padding-top: 16px;
}

.main-nav.active {
    display: flex;
}

@media (min-width: 992px) {
    .main-nav {
        display: flex;
        flex-direction: row;
        width: auto;
        padding-top: 0;
        gap: 4px;
    }
}

.nav-link {
    display: block;
    padding: 10px 16px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(147, 51, 234, 0.15);
}

/* CTA按钮 */
.btn-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--gradient-accent);
    color: var(--background-dark);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--background-dark);
}

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

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-light);
    color: var(--primary-light);
}

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

/* Hero区域 */
.hero-section {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    padding: 60px 0;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15, 15, 26, 0.7) 0%, rgba(15, 15, 26, 0.95) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(147, 51, 234, 0.2);
    border: 1px solid var(--primary-light);
    border-radius: var(--radius-xl);
    font-size: 0.85rem;
    color: var(--primary-light);
    margin-bottom: 20px;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    font-family: var(--font-display);
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3.5rem;
    }
}

.hero-title span {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

/* 面包屑导航 */
.breadcrumb {
    padding: 16px 0;
    background: var(--background-section);
}

.breadcrumb-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    list-style: none;
    font-size: 0.9rem;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
}

.breadcrumb-item a {
    color: var(--text-secondary);
}

.breadcrumb-item a:hover {
    color: var(--accent-color);
}

.breadcrumb-item::after {
    content: '›';
    color: var(--text-muted);
}

.breadcrumb-item:last-child::after {
    display: none;
}

.breadcrumb-item:last-child {
    color: var(--text-primary);
}

/* 章节标题 */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(147, 51, 234, 0.15);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--primary-light);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
    font-family: var(--font-display);
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.5rem;
    }
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* 通用章节 */
.content-section {
    padding: 60px 0;
}

@media (min-width: 768px) {
    .content-section {
        padding: 80px 0;
    }
}

.section-alt {
    background: var(--background-section);
}

/* 视频卡片网格 */
.video-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

@media (min-width: 768px) {
    .video-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
}

@media (min-width: 1200px) {
    .video-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.video-card {
    background: var(--background-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition-normal);
    border: 1px solid var(--border-color);
}

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

.video-thumbnail {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.video-card:hover .video-thumbnail img {
    transform: scale(1.05);
}

.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 56px;
    height: 56px;
    background: rgba(147, 51, 234, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-fast);
}

.video-card:hover .video-play-btn {
    opacity: 1;
}

.video-play-btn::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 16px solid var(--text-primary);
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    margin-left: 4px;
}

.video-rating {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 4px 8px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    gap: 4px;
}

.video-info {
    padding: 16px;
}

.video-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* 服务卡片 */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    background: var(--background-card);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.service-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-glow);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.75rem;
}

.service-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.service-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* 优势区域 */
.advantages-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}

@media (min-width: 992px) {
    .advantages-wrapper {
        grid-template-columns: 1fr 1fr;
    }
}

.advantages-media {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.advantages-media img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
}

.advantages-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.advantage-item {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--background-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.advantage-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--gradient-accent);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.advantage-text h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.advantage-text p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 招聘区域 */
.recruitment-section {
    background: var(--gradient-primary);
    padding: 60px 0;
}

.recruitment-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}

@media (min-width: 992px) {
    .recruitment-wrapper {
        grid-template-columns: 1.2fr 1fr;
    }
}

.recruitment-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.recruitment-content p {
    font-size: 1.05rem;
    margin-bottom: 24px;
    opacity: 0.9;
}

.recruitment-benefits {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

.benefit-item::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    font-size: 0.8rem;
}

/* 用户评论 */
.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 768px) {
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1200px) {
    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.review-card {
    background: var(--background-card);
    border-radius: var(--radius-lg);
    padding: 28px;
    border: 1px solid var(--border-color);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.review-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 600;
}

.review-author h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.review-author span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.review-rating {
    display: flex;
    gap: 4px;
    margin-bottom: 14px;
}

.star {
    color: var(--accent-color);
    font-size: 1rem;
}

.star.empty {
    color: var(--border-color);
}

.review-content {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 14px;
}

.review-date {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* FAQ区域 */
.faq-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--background-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    background: none;
    border: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    cursor: pointer;
    text-align: left;
    color: var(--text-primary);
    font-size: 1.05rem;
    font-weight: 600;
    transition: var(--transition-fast);
}

.faq-question:hover {
    color: var(--accent-color);
}

.faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: var(--transition-fast);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-inner {
    padding: 0 24px 24px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* 支付方式 */
.payment-section {
    text-align: center;
}

.payment-icons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 32px;
}

.payment-icon {
    background: var(--background-card);
    border-radius: var(--radius-md);
    padding: 16px 24px;
    border: 1px solid var(--border-color);
}

.payment-icon img {
    height: 32px;
    width: auto;
}

/* 授权徽章 */
.license-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 32px;
    background: var(--background-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    text-align: center;
}

.license-badge img {
    height: 80px;
    width: auto;
}

.license-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.license-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 页脚 */
.site-footer {
    background: var(--background-card);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 48px;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1200px) {
    .footer-grid {
        grid-template-columns: 1.5fr repeat(3, 1fr);
    }
}

.footer-brand {
    max-width: 320px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo img {
    height: 36px;
    width: auto;
}

.footer-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--background-section);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.social-link:hover {
    background: var(--primary-light);
    color: var(--text-primary);
}

.footer-column h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-payment {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-payment img {
    height: 24px;
    width: auto;
    opacity: 0.7;
}

/* 视频播放器 */
.video-player-wrapper {
    position: relative;
    aspect-ratio: 16/9;
    background: #000;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.video-player-wrapper video {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.video-player-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.video-player-overlay:hover {
    background: rgba(0, 0, 0, 0.3);
}

.play-button-large {
    width: 80px;
    height: 80px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.play-button-large::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 24px solid var(--text-primary);
    border-top: 16px solid transparent;
    border-bottom: 16px solid transparent;
    margin-left: 6px;
}

/* APP下载页面 */
.app-hero {
    padding: 80px 0;
    text-align: center;
}

.app-mockup {
    max-width: 300px;
    margin: 0 auto 40px;
}

.app-mockup img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.download-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-top: 32px;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 28px;
    background: var(--background-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.download-btn:hover {
    border-color: var(--primary-light);
    background: var(--background-section);
}

.download-btn img {
    height: 28px;
    width: auto;
}

.download-btn span {
    text-align: left;
}

.download-btn .small {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: block;
}

.download-btn .large {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* 作者信息 */
.author-box {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 28px;
    background: var(--background-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    margin: 40px 0;
}

@media (min-width: 768px) {
    .author-box {
        flex-direction: row;
        align-items: center;
    }
}

.author-avatar {
    flex-shrink: 0;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-info h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.author-title {
    color: var(--primary-light);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.author-bio {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* 响应式工具类 */
.hidden-mobile {
    display: none;
}

@media (min-width: 768px) {
    .hidden-mobile {
        display: block;
    }
}

.hidden-desktop {
    display: block;
}

@media (min-width: 768px) {
    .hidden-desktop {
        display: none;
    }
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* 懒加载图片占位 */
.lazy-image {
    background: var(--background-section);
    min-height: 200px;
}

/* 客服悬浮按钮 */
.support-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 999;
}

.support-btn {
    width: 56px;
    height: 56px;
    background: var(--success-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 1.5rem;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    transition: var(--transition-fast);
}

.support-btn:hover {
    transform: scale(1.1);
}