/* 视音频工具页面专用样式 */

header h1 a {
    text-decoration: none;
    color: inherit;
}

/* 工具页面Hero */
.tool-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.tool-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.tool-hero .hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.breadcrumb {
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

.breadcrumb a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.breadcrumb a:hover {
    opacity: 1;
}

.tool-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 800;
    line-height: 1.2;
}

.tool-hero p {
    font-size: 1.3rem;
    opacity: 0.9;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.hero-features {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.8rem 1.2rem;
    border-radius: 30px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-feature .feature-icon {
    font-size: 1.2rem;
}

/* 新增hero-highlights样式，与downloader保持一致 */
.hero-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
    margin-bottom: 2rem;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.15);
    padding: 0.6rem 1rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.highlight-item:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

.highlight-icon {
    font-size: 1.2rem;
}

.hero-actions {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.download-info {
    font-size: 0.9rem;
    opacity: 0.8;
}

.version-info {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.hero-showcase {
    position: relative;
    transform: perspective(1000px) rotateY(-10deg) rotateX(5deg);
    transition: transform 0.3s ease;
    overflow: hidden; /* 防止图片溢出 */
    border-radius: 15px;
}

.hero-showcase:hover {
    transform: perspective(1000px) rotateY(-5deg) rotateX(0deg);
}

.showcase-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    display: block; /* 确保图片正确显示 */
}

.software-badges {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.software-badge {
    background: rgba(255, 255, 255, 0.95);
    color: #667eea;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* 功能概览 */
.features-overview {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f7fafc 0%, #ffffff 100%);
}

.functions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.function-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
    border: 1px solid rgba(102, 126, 234, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.function-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.function-card:hover::before {
    opacity: 1;
}

.function-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(102, 126, 234, 0.15);
    border-color: #667eea;
}

.function-card.primary {
    border: 2px solid #667eea;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
}

.function-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.function-content {
    position: relative;
    z-index: 1;
}

.function-content h3 {
    font-size: 1.4rem;
    color: #2d3748;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.function-desc {
    color: #667eea;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.function-detail {
    color: #718096;
    line-height: 1.6;
    font-size: 0.95rem;
    margin: 0;
}

/* 软件预览区域 */
.software-preview {
    padding: 4rem 0;
    background: white;
}

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

.preview-text h2 {
    font-size: 2.5rem;
    color: #2d3748;
    margin-bottom: 1.5rem;
    font-weight: 700;
    line-height: 1.3;
}

.preview-text p {
    font-size: 1.2rem;
    color: #718096;
    line-height: 1.6;
    margin-bottom: 2.5rem;
}

.preview-features {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.preview-feature {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, #f7fafc 0%, #ffffff 100%);
    border-radius: 15px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.preview-feature:hover {
    transform: translateX(10px);
    border-color: #667eea;
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.1);
}

.preview-feature .feature-icon {
    font-size: 1.8rem;
    width: 50px;
    text-align: center;
    flex-shrink: 0;
}

.preview-feature h4 {
    color: #2d3748;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 1.1rem;
}

.preview-feature p {
    color: #718096;
    font-size: 0.95rem;
    line-height: 1.4;
    margin: 0;
}

.software-interface {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    transform: perspective(1000px) rotateY(10deg) rotateX(-5deg);
    transition: transform 0.3s ease;
    max-width: 100%; /* 限制最大宽度 */
}

.software-interface:hover {
    transform: perspective(1000px) rotateY(5deg) rotateX(0deg);
}

.interface-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.interface-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: 2rem;
}

.processing-demo {
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.demo-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.demo-step.active {
    transform: scale(1.1);
}

.step-number {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
}

.demo-step.active .step-number {
    background: #667eea;
}

.step-text {
    color: white;
    font-size: 0.8rem;
    font-weight: 500;
}

/* 下载区域 */
.download-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.download-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain2" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain2)"/></svg>');
    opacity: 0.3;
    pointer-events: none;
}

.download-header {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.download-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    line-height: 1.3;
}

.download-header p {
    font-size: 1.2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.download-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.download-card {
    background: rgba(255, 255, 255, 0.95);
    color: #2d3748;
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.download-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.download-card:hover::before {
    opacity: 1;
}

.download-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

.download-card.main-download {
    border: 2px solid #10b981;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(16, 185, 129, 0.05));
}

.download-icon {
    margin-bottom: 1.5rem;
}

.download-icon img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.download-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.download-specs {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.spec {
    font-size: 0.9rem;
    color: #4a5568;
    font-weight: 500;
}

.btn-download {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.3);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(16, 185, 129, 0.4);
}

.btn-coming-soon {
    background: linear-gradient(135deg, #a0aec0, #718096);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: not-allowed;
    opacity: 0.7;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.download-note {
    font-size: 0.85rem;
    color: #718096;
    margin: 0;
    position: relative;
    z-index: 1;
}

/* 技术优势 */
.tech-advantages {
    padding: 4rem 0;
    background: linear-gradient(135f, #f8fafc 0%, #ffffff 100%);
}

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

.advantage-item {
    text-align: center;
    padding: 2.5rem 2rem;
    border-radius: 20px;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.advantage-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.advantage-item:hover::before {
    opacity: 1;
}

.advantage-item:hover {
    transform: translateY(-8px);
    border-color: #667eea;
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.15);
}

.advantage-visual {
    margin-bottom: 1.5rem;
}

.advantage-visual img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.advantage-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #2d3748;
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.advantage-item p {
    color: #718096;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* 系统要求 */
.system-requirements {
    padding: 4rem 0;
    background: white;
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.requirement-category {
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    border-radius: 20px;
    padding: 2.5rem;
    border: 1px solid #e2e8f0;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.requirement-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 45px rgba(102, 126, 234, 0.1);
    border-color: #667eea;
}

.requirement-category.featured {
    border: 2px solid #667eea;
    background: linear-gradient(135deg, #ffffff 0%, #f0f4ff 100%);
}

.requirement-category h3 {
    color: #2d3748;
    margin-bottom: 2rem;
    font-size: 1.3rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.req-list {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.req-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: white;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.req-item:hover {
    border-color: #667eea;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.1);
}

.req-label {
    font-weight: 600;
    color: #2d3748;
    font-size: 0.95rem;
}

.req-value {
    color: #667eea;
    font-weight: 500;
    font-size: 0.9rem;
}

/* CTA下载区域 */
.download-cta {
    padding: 4rem 0;
    background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.download-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain3" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain3)"/></svg>');
    opacity: 0.4;
}

.cta-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 3rem;
    position: relative;
    z-index: 1;
}

.cta-text h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    font-weight: 700;
    line-height: 1.3;
}

.cta-text p {
    font-size: 1.1rem;
    opacity: 0.9;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.cta-highlights {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.highlight-item {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
}

.cta-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.btn-xl {
    padding: 1.5rem 3rem;
    font-size: 1.2rem;
}

.download-main {
    background: linear-gradient(135deg, #10b981, #059669);
    box-shadow: 0 15px 35px rgba(16, 185, 129, 0.3);
}

.download-main:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 45px rgba(16, 185, 129, 0.4);
}

.download-stats {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
}

.stat-item {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .preview-content,
    .cta-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .tool-hero .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-showcase,
    .software-interface {
        transform: none !important; /* 移动端禁用3D效果 */
    }
    
    .functions-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .download-options {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .tool-hero {
        padding: 3rem 0;
    }
    
    .tool-hero h1 {
        font-size: 2.2rem;
    }
    
    .functions-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .function-card {
        padding: 2rem;
    }
    
    .download-card {
        padding: 2rem;
    }
    
    .preview-text h2 {
        font-size: 2rem;
    }
    
    .cta-text h2 {
        font-size: 1.8rem;
    }
    
    .hero-features {
        justify-content: center;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .cta-highlights {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .download-options {
        grid-template-columns: 1fr;
    }
    
    .requirements-grid {
        grid-template-columns: 1fr;
    }
    
    .function-card {
        padding: 1.5rem;
    }
    
    .download-card {
        padding: 1.5rem;
    }
    
    .requirement-category {
        padding: 1.5rem;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-highlights {
        flex-direction: column;
        align-items: center;
    }
}

/* 下载方式切换 */
.download-methods {
    margin-bottom: 2rem;
    text-align: center;
}

.method-tabs {
    display: inline-flex;
    background: #f1f5f9;
    border-radius: 12px;
    padding: 4px;
    gap: 4px;
}

.method-tab {
    padding: 12px 24px;
    border: none;
    background: transparent;
    border-radius: 8px;
    font-weight: 500;
    color: #64748b;
    cursor: pointer;
    transition: all 0.3s ease;
}

.method-tab.active {
    background: white;
    color: #3b82f6;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* 调整下载卡片布局为两列 */
.download-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

/* 网盘下载样式 */
.cloud-download-info {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 16px;
    border: 2px dashed #cbd5e1;
}

.cloud-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.cloud-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.btn-cloud {
    background: #3b82f6;
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-cloud:hover {
    background: #2563eb;
    transform: translateY(-2px);
}

.cloud-note {
    color: #64748b;
    font-size: 0.9rem;
    margin-top: 1rem;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .download-options {
        grid-template-columns: 1fr;
    }

    .cloud-links {
        flex-direction: column;
        align-items: center;
    }
}


.cloud-download-info {
    text-align: center;
    padding: 2rem 3rem;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    border-radius: 20px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.cloud-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.cloud-download-info h3 {
    font-size: 1.5rem;
    color: #2d3748;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.cloud-download-info p {
    color: #718096;
    margin-bottom: 2rem;
    font-size: 1rem;
}

.cloud-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.btn-cloud {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem 1rem;
    border-radius: 15px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn-cloud::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-cloud:hover::before {
    opacity: 1;
}

.baidu-cloud {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.baidu-cloud:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.4);
    border-color: #5a67d8;
}

.mobile-cloud {
    background: linear-gradient(135deg, #00f2c3 0%, #00d9ff 100%);
    color: #1a202c;
    box-shadow: 0 8px 25px rgba(0, 242, 195, 0.3);
}

.mobile-cloud:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0, 242, 195, 0.4);
    border-color: #00e6cc;
}

.btn-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    z-index: 1;
}

.btn-icon {
    font-size: 1rem;
}

.btn-text {
    font-size: 1rem;
    font-weight: 600;
}

.extract-code {
    font-size: 0.85rem;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-weight: 500;
    margin-top: 0.8rem;
    position: relative;
    z-index: 1;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.mobile-cloud .extract-code {
    background: rgba(26, 32, 44, 0.1);
    color: #2d3748;
    border-color: rgba(26, 32, 44, 0.2);
}

.cloud-note {
    font-size: 0.9rem;
    color: #718096;
    margin-top: 1rem;
    padding: 0.8rem 1rem;
    background: #f7fafc;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
}

/* 调整hero区域按钮样式，与downloader保持一致 */
.hero-actions .btn-large {
    padding: 0.8rem 2rem;
    font-size: 1rem;
}

.hero-actions .btn-outline {
    background: transparent;
    color: white;
    border: 0;
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.1);
}

.hero-actions .btn-outline:hover {
    background: rgba(255, 255, 255, 0.25);
    border: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .cloud-links {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .btn-cloud {
        padding: 1.2rem 0.8rem;
    }
}