/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #ffffff;
    overflow-x: hidden;
    background: #0a0b1e;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 11, 30, 0.8);
    backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 26px;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.5px;
}

.nav-icon {
    width: 40px;
    height: 40px;
    margin-right: 12px;
    border-radius: 10px;
    object-fit: cover;
}

.nav-menu {
    display: flex;
    gap: 40px;
}

.nav-link {
    text-decoration: none;
    color: #a0aec0;
    font-weight: 500;
    font-size: 15px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #6366f1;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #6366f1, #8b5cf6);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #ffffff;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* 英雄区域样式 */
.hero {
    padding: 160px 0 100px;
    background: radial-gradient(ellipse at top, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at bottom, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
                #0a0b1e;
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 30px;
    letter-spacing: -2px;
}

.gradient-text {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 50px;
    color: #cbd5e0;
    line-height: 1.8;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 18px 36px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    box-shadow: 0 10px 40px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 50px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: rgba(99, 102, 241, 0.1);
    color: #ffffff;
    border: 2px solid rgba(99, 102, 241, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: rgba(99, 102, 241, 0.5);
    transform: translateY(-2px);
}

.btn i {
    margin-right: 10px;
    font-size: 18px;
}

.hero-stats {
    display: flex;
    gap: 60px;
}

.stat {
    text-align: left;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.95rem;
    color: #a0aec0;
    font-weight: 500;
}

/* 卡片堆叠展开效果 */
.card-stack {
    position: relative;
    width: 100%;
    max-width: 450px;
    height: 650px;
    margin: 0 auto;
    margin-left: auto;
    margin-right: 0;
    perspective: 1000px;
    overflow: visible;
}

.card {
    position: absolute;
    width: 300px;
    height: 540px;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    transform-origin: center bottom;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.card-1 {
    left: 60%;
    bottom: 0;
    transform: translateX(-50%) rotate(-15deg) translateX(-120px) translateY(-40px);
    z-index: 1;
    opacity: 1;
}

.card-2 {
    left: 60%;
    bottom: 0;
    transform: translateX(-50%) rotate(-5deg) translateX(-40px) translateY(-25px);
    z-index: 2;
    opacity: 1;
}

.card-3 {
    left: 60%;
    bottom: 0;
    transform: translateX(-50%) rotate(5deg) translateX(40px) translateY(-25px);
    z-index: 3;
    opacity: 1;
}

.card-4 {
    left: 60%;
    bottom: 0;
    transform: translateX(-50%) rotate(15deg) translateX(120px) translateY(-40px);
    z-index: 4;
    opacity: 1;
}

/* 功能特色区域 */
.features {
    padding: 120px 0;
    background: #0f1123;
}

.features.alt-bg {
    background: #151628;
}

.section-header {
    text-align: center;
    margin-bottom: 100px;
}

.section-title {
    font-size: 3.5rem;
    font-weight: 900;
    color: #ffffff;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: 1.3rem;
    color: #a0aec0;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

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

.feature-card {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 50px 40px;
    border-radius: 24px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transition: all 0.4s ease;
    border: 1px solid rgba(99, 102, 241, 0.2);
    position: relative;
    overflow: hidden;
    min-height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(15, 17, 35, 0.8);
}

.feature-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 30px 80px rgba(99, 102, 241, 0.3);
    border-color: rgba(99, 102, 241, 0.5);
}

.feature-card:hover .feature-overlay {
    background: rgba(10, 11, 30, 0.9);
}

.feature-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(10, 11, 30, 0.9) 0%, rgba(15, 17, 35, 0.85) 100%);
    transition: background 0.4s ease;
    z-index: 1;
    border-radius: 24px;
}

.feature-content {
    position: relative;
    z-index: 2;
    width: 100%;
}

.feature-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    position: relative;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

.feature-icon i {
    font-size: 2.2rem;
    color: white;
}

.feature-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 18px;
    position: relative;
    z-index: 2;
}

.feature-description {
    color: #cbd5e0;
    line-height: 1.8;
    font-size: 1rem;
    position: relative;
    z-index: 2;
}

/* 图片生成功能区域 - 横向列表样式 */
.image-features {
    padding: 120px 0;
    background: linear-gradient(180deg, #0a0b1e 0%, #151628 100%);
}

.image-features-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.image-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 40px;
    padding: 40px;
    background: rgba(15, 17, 35, 0.6);
    border-radius: 20px;
    border: 1px solid rgba(99, 102, 241, 0.15);
    transition: all 0.4s ease;
    backdrop-filter: blur(10px);
}

.image-feature-item:hover {
    transform: translateX(10px);
    background: rgba(15, 17, 35, 0.8);
    border-color: rgba(99, 102, 241, 0.4);
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.2);
}

.image-feature-icon-wrapper {
    flex-shrink: 0;
}

.image-feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.image-feature-icon i {
    font-size: 2rem;
    color: white;
}

.image-feature-content {
    flex: 1;
}

.image-feature-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 12px;
}

.image-feature-description {
    font-size: 1.1rem;
    color: #cbd5e0;
    line-height: 1.7;
}

/* 视频生成功能区域 - 带编号的卡片样式 */
.video-features {
    padding: 120px 0;
    background: linear-gradient(180deg, #151628 0%, #0a0b1e 100%);
}

.video-features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 35px;
    max-width: 1400px;
    margin: 0 auto;
}

.video-feature-card {
    position: relative;
    padding: 50px 40px;
    background: linear-gradient(135deg, rgba(15, 17, 35, 0.8) 0%, rgba(21, 22, 40, 0.8) 100%);
    border-radius: 24px;
    border: 1px solid rgba(99, 102, 241, 0.2);
    transition: all 0.4s ease;
    overflow: hidden;
}

.video-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #6366f1, #8b5cf6);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.video-feature-card:hover::before {
    transform: scaleX(1);
}

.video-feature-card:hover {
    transform: translateY(-10px);
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 25px 70px rgba(99, 102, 241, 0.25);
    background: linear-gradient(135deg, rgba(15, 17, 35, 0.95) 0%, rgba(21, 22, 40, 0.95) 100%);
}

.video-feature-number {
    position: absolute;
    top: 30px;
    right: 30px;
    font-size: 4rem;
    font-weight: 900;
    color: rgba(99, 102, 241, 0.1);
    line-height: 1;
    transition: all 0.4s ease;
}

.video-feature-card:hover .video-feature-number {
    color: rgba(99, 102, 241, 0.2);
    transform: scale(1.1);
}

.video-feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.video-feature-icon i {
    font-size: 1.8rem;
    color: white;
}

.video-feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 15px;
}

.video-feature-description {
    font-size: 1rem;
    color: #cbd5e0;
    line-height: 1.7;
}

/* 应用截图画廊 */
.app-gallery {
    padding: 120px 0;
    background: #0f1123;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

.gallery-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3);
    transition: all 0.4s ease;
    cursor: pointer;
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.gallery-item:hover {
    transform: translateY(-15px) scale(1.03);
    box-shadow: 0 30px 80px rgba(99, 102, 241, 0.3);
    border-color: rgba(99, 102, 241, 0.4);
}

.gallery-img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease;
}

.gallery-item:hover .gallery-img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
    color: white;
    padding: 25px;
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay h4 {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 600;
}

/* 为什么选择Visora */
.why-vidream {
    padding: 120px 0;
    background: linear-gradient(180deg, #0a0b1e 0%, #151628 100%);
}

.why-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    align-items: center;
}

.why-title {
    font-size: 3rem;
    font-weight: 900;
    color: #ffffff;
    margin-bottom: 50px;
    letter-spacing: -1px;
}

.why-features {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.why-feature {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    font-size: 1.15rem;
    color: #ffffff;
    line-height: 1.7;
}

.why-feature i {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
    flex-shrink: 0;
    margin-top: 2px;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.why-feature strong {
    color: #6366f1;
    font-weight: 700;
}

.why-image {
    display: flex;
    justify-content: center;
}

.feature-showcase {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.showcase-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px 30px;
    background: rgba(15, 17, 35, 0.6);
    border-radius: 16px;
    transition: all 0.4s ease;
    border: 1px solid rgba(99, 102, 241, 0.2);
    backdrop-filter: blur(10px);
}

.showcase-item:hover {
    transform: translateX(15px);
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.4);
}

.showcase-item i {
    font-size: 2rem;
    color: #6366f1;
    transition: color 0.4s ease;
}

.showcase-item:hover i {
    color: white;
}

.showcase-item span {
    font-size: 1.3rem;
    font-weight: 600;
    color: #ffffff;
    transition: color 0.4s ease;
}

.showcase-item:hover span {
    color: white;
}

/* 下载区域 */
.download {
    padding: 120px 0;
    background: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.1) 0%, transparent 70%),
                #151628;
    color: #ffffff;
    text-align: center;
}

.download-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 25px;
    letter-spacing: -1px;
}

.download-subtitle {
    font-size: 1.4rem;
    margin-bottom: 60px;
    color: #cbd5e0;
    font-weight: 400;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 60px;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px 40px;
    background: rgba(99, 102, 241, 0.15);
    border-radius: 16px;
    text-decoration: none;
    color: #ffffff;
    transition: all 0.4s ease;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(99, 102, 241, 0.3);
}

.download-btn:hover {
    background: rgba(99, 102, 241, 0.25);
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.3);
}

.download-btn i {
    font-size: 3rem;
}

.btn-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.btn-label {
    font-size: 1.2rem;
    font-weight: 600;
}

.btn-subtitle {
    font-size: 1rem;
    color: #a0aec0;
    font-weight: 400;
}

.download-info {
    color: #a0aec0;
    font-size: 1rem;
}

.legal-links {
    margin-top: 25px;
}

.legal-links a {
    color: #6366f1;
    text-decoration: none;
    margin: 0 15px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.legal-links a:hover {
    color: #8b5cf6;
    text-decoration: underline;
}

/* 联系我们 */
.contact {
    padding: 100px 0;
    background: #0f1123;
    text-align: center;
}

.contact-title {
    font-size: 3rem;
    font-weight: 900;
    color: #ffffff;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.contact-subtitle {
    font-size: 1.3rem;
    color: #a0aec0;
    margin-bottom: 50px;
}

.contact-info {
    display: flex;
    justify-content: center;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px 40px;
    background: rgba(15, 17, 35, 0.8);
    border-radius: 16px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(99, 102, 241, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
}

.contact-item:hover {
    border-color: rgba(99, 102, 241, 0.4);
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.2);
}

.contact-item i {
    font-size: 1.8rem;
    color: #6366f1;
}

.contact-item a {
    font-size: 1.2rem;
    color: #ffffff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: #6366f1;
}

/* 页脚 */
.footer {
    padding: 80px 0;
    background: #0a0b1e;
    color: #ffffff;
    text-align: center;
    border-top: 1px solid rgba(99, 102, 241, 0.1);
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 25px;
    letter-spacing: -0.5px;
}

.footer-icon {
    width: 40px;
    height: 40px;
    margin-right: 12px;
    border-radius: 10px;
    object-fit: cover;
}

.footer-text {
    font-size: 1.1rem;
    margin-bottom: 40px;
    color: #a0aec0;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 40px;
}

.footer-links a {
    color: #a0aec0;
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #6366f1;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .container {
        padding: 0 30px;
    }
    
    .hero-container {
        gap: 60px;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .section-title {
        font-size: 2.8rem;
    }
    
    .why-content {
        gap: 60px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .container {
        padding: 0 20px;
    }
    
    .hero {
        padding: 120px 0 80px;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 50px;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 40px;
    }
    
    .card-stack {
        max-width: 350px;
        height: 500px;
        margin-right: auto;
    }
    
    .card {
        width: 220px;
        height: 380px;
    }
    
    .card-1 {
        left: 60%;
        transform: translateX(-50%) rotate(-12deg) translateX(-90px) translateY(-25px);
    }
    
    .card-2 {
        left: 60%;
        transform: translateX(-50%) rotate(-4deg) translateX(-35px) translateY(-18px);
    }
    
    .card-3 {
        left: 60%;
        transform: translateX(-50%) rotate(4deg) translateX(35px) translateY(-18px);
    }
    
    .card-4 {
        left: 60%;
        transform: translateX(-50%) rotate(12deg) translateX(90px) translateY(-25px);
    }
    
    .image-feature-item {
        flex-direction: column;
        text-align: center;
        gap: 25px;
    }
    
    .image-feature-icon-wrapper {
        margin: 0 auto;
    }
    
    .video-features-grid {
        grid-template-columns: repeat(4, minmax(220px, 1fr));
        overflow-x: auto;
        padding-bottom: 10px;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .why-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 20px;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .why-title {
        font-size: 2.2rem;
    }
    
    .download-title {
        font-size: 2.5rem;
    }
    
    .contact-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .card-stack {
        max-width: 300px;
        height: 450px;
    }
    
    .card {
        width: 200px;
        height: 320px;
    }
    
    .card-1 {
        left: 60%;
        transform: translateX(-50%) rotate(-10deg) translateX(-70px) translateY(-20px);
    }
    
    .card-2 {
        left: 60%;
        transform: translateX(-50%) rotate(-3deg) translateX(-25px) translateY(-12px);
    }
    
    .card-3 {
        left: 60%;
        transform: translateX(-50%) rotate(3deg) translateX(25px) translateY(-12px);
    }
    
    .card-4 {
        left: 60%;
        transform: translateX(-50%) rotate(10deg) translateX(70px) translateY(-20px);
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .features {
        padding: 80px 0;
    }
    
    .image-features {
        padding: 80px 0;
    }
    
    .video-features {
        padding: 80px 0;
    }
    
    .why-vidream {
        padding: 80px 0;
    }
    
    .download {
        padding: 80px 0;
    }
    
    .contact {
        padding: 80px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content {
    animation: fadeInUp 1s ease-out;
    position: relative;
    z-index: 2;
}

.hero-image {
    position: relative;
    z-index: 1;
    overflow: visible;
}

/* 滚动行为 */
html {
    scroll-behavior: smooth;
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #0a0b1e;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #4f46e5, #6366f1);
}