/* 首页特定样式 */
.hero {
    padding: 6rem 0 4rem;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-buttons .btn {
    min-width: 180px;
}

/* 截图区域 */
.screenshots-section {
    padding: 4rem 0;
}

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

.screenshot-item {
    overflow: hidden;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    transition: var(--transition-normal);
}

.screenshot-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.screenshot-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.screenshot-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.screenshot-item:hover .screenshot-overlay {
    opacity: 1;
}

.view-btn {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background: white;
    border: none;
    color: var(--primary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.view-btn:hover {
    background: var(--primary);
    color: white;
    transform: scale(1.1);
}

.screenshot-caption {
    padding: 1.5rem;
}

.screenshot-caption h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.screenshot-caption p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* 截图查看器 */
.screenshot-viewer {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(20px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.screenshot-viewer.show {
    display: flex;
}

.viewer-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
}

.close-viewer {
    position: absolute;
    top: -2.5rem;
    right: 0;
    background: none;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.close-viewer:hover {
    color: var(--primary);
}

.viewer-image-container img {
    max-width: 100%;
    max-height: 80vh;
    border-radius: var(--radius-lg);
}

.viewer-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 1rem;
}

.viewer-btn {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.viewer-btn:hover {
    background: white;
    transform: scale(1.1);
}

/* 视频区域 */
.videos-section {
    padding: 4rem 0;
    background: rgba(255, 255, 255, 0.05);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.video-item {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.video-player {
    position: relative;
    /* height: 250px; */
    background: #000;
}

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

.video-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.more-videos {
    text-align: center;
    margin-top: 3rem;
}

/* 功能预览 */
.preview-section {
    padding: 4rem 0;
}

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

.preview-card {
    padding: 2rem;
    text-align: center;
}

.preview-icon {
    width: 5rem;
    height: 5rem;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.preview-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.preview-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.preview-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
}

.preview-link:hover {
    color: var(--primary-dark);
}

/* 下载引导 */
.download-guide {
    padding: 4rem 0;
    background: rgba(255, 255, 255, 0.05);
}

.guide-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 4rem;
    align-items: center;
}

.guide-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.guide-text p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.guide-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.guide-image {
    font-size: 8rem;
    color: var(--primary);
    animation: float 3s ease-in-out infinite;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.125rem;
    }

    .guide-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .guide-image {
        font-size: 4rem;
    }

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