/* 2025现代设计系统 */
:root {
    /* 现代色彩系统 */
    --primary: #0a0e17;
    --secondary: #1a1f30;
    --accent: #00d4ff;
    --accent-glow: rgba(0, 212, 255, 0.3);
    --accent-dark: #0088cc;
    --surface: rgba(255, 255, 255, 0.05);
    --surface-hover: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #a0a8c3;
    --text-muted: #6b7280;
    
    /* 现代阴影和发光效果 */
    --glow-1: 0 0 50px rgba(0, 212, 255, 0.1);
    --glow-2: 0 0 100px rgba(0, 212, 255, 0.05);
    --shadow-3d: 0 10px 30px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.4);
    
    /* 现代动画速度 */
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* 现代间距系统 */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;
    
    /* 现代圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

/* 基础重置 - 现代方法 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--primary);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    font-weight: 600;
    line-height: 1.2;
}

/* 全息背景效果 */
.hologram-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -100;
    pointer-events: none;
}

.hologram-grid {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.hologram-glow {
    position: absolute;
    width: 100%;
    height: 100%;
}

.glow-layer {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.2;
}

.glow-layer-1 {
    width: 600px;
    height: 600px;
    background: var(--accent);
    top: -200px;
    left: -200px;
    animation: floatGlow 20s ease-in-out infinite;
}

.glow-layer-2 {
    width: 400px;
    height: 400px;
    background: var(--accent);
    bottom: -100px;
    right: -100px;
    animation: floatGlow 15s ease-in-out infinite reverse;
}

.glow-layer-3 {
    width: 300px;
    height: 300px;
    background: var(--accent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulseGlow 10s ease-in-out infinite;
}

@keyframes floatGlow {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(50px, 50px); }
}

@keyframes pulseGlow {
    0%, 100% { opacity: 0.1; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.3; transform: translate(-50%, -50%) scale(1.2); }
}

/* 悬浮3D导航 - 现代设计 */
.floating-3d-nav {
    position: fixed;
    top: var(--space-md);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    background: rgba(10, 14, 23, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    padding: var(--space-sm) var(--space-lg);
    box-shadow: var(--shadow-3d);
    width: auto;
    min-width: 800px;
}

.nav-3d-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    font-weight: 600;
}

.brand-glow {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-size: 1.5rem;
    font-weight: 700;
    text-shadow: 0 0 20px var(--accent-glow);
}

.brand-text {
    color: var(--text-primary);
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav-3d-menu {
    display: flex;
    gap: var(--space-md);
}

.nav-3d-item {
    position: relative;
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: var(--space-sm) 0;
    transition: var(--transition-smooth);
}

.nav-3d-item:hover {
    color: var(--text-primary);
}

.nav-3d-item.active {
    color: var(--accent);
}

.nav-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), transparent);
    transition: var(--transition-smooth);
}

.nav-3d-item:hover .nav-line,
.nav-3d-item.active .nav-line {
    width: 100%;
}

.nav-hover {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: var(--accent-glow);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: var(--transition-smooth);
    z-index: -1;
}

.nav-3d-item:hover .nav-hover {
    width: 120%;
    height: 200%;
}

/* Hero区域 - 现代设计 */
.hero-video-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 120px;
    overflow: hidden;
}

.video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.video-placeholder {
    position: relative;
    width: 100%;
    height: 100%;
}

.video-gradient {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(10, 14, 23, 0.9) 0%,
        rgba(10, 14, 23, 0.7) 50%,
        rgba(10, 14, 23, 0.9) 100%);
}

.video-pattern {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, var(--accent-glow) 0%, transparent 20%),
        radial-gradient(circle at 80% 20%, var(--accent-glow) 0%, transparent 20%);
    opacity: 0.3;
}

.hero-content {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.hero-text-wrapper {
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    margin-bottom: var(--space-lg);
}

.badge-glow {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 3px;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.hero-title {
    font-size: 4.5rem;
    margin-bottom: var(--space-md);
    line-height: 1;
}

.title-line {
    display: block;
    position: relative;
}

.title-line-2 {
    margin-left: var(--space-lg);
}

.title-line-3 {
    margin-left: calc(var(--space-lg) * 2);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: var(--space-xl);
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), #ffffff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.cta-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--primary);
}

.cta-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-1);
}

.cta-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.cta-arrow {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.cta-button:hover .cta-arrow {
    transform: translateX(5px);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--accent), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0%, 100% { opacity: 0.3; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(10px); }
}

/* 现代卡片设计 */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.modern-card {
    position: relative;
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    transition: var(--transition-smooth);
    overflow: hidden;
}

.modern-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: var(--shadow-hover);
}

.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, var(--accent-glow) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition-smooth);
}

.modern-card:hover .card-glow {
    opacity: 0.3;
}

.card-featured {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(10, 14, 23, 0.8));
    border-color: rgba(0, 212, 255, 0.2);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.card-award {
    font-size: 0.9rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.card-year {
    font-size: 0.8rem;
    color: var(--text-secondary);
    opacity: 0.7;
}

.card-title {
    font-size: 1.8rem;
    margin-bottom: var(--space-xs);
    background: linear-gradient(135deg, #ffffff, var(--text-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.card-film,
.card-country {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    position: relative;
}

.link-line {
    width: 20px;
    height: 1px;
    background: var(--accent);
    transition: var(--transition-smooth);
}

.card-link:hover .link-line {
    width: 40px;
}

.card-hover {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), transparent);
    opacity: 0;
    transition: var(--transition-smooth);
    pointer-events: none;
}

.modern-card:hover .card-hover {
    opacity: 1;
}

/* 按钮样式增强 */
.view-all-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: transparent;
    color: var(--text-primary);
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.view-all-button:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.button-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    overflow: hidden;
}

.line-animate {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent);
    animation: lineMove 2s linear infinite;
}

@keyframes lineMove {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* 视频展示区域 */
.video-showcase {
    padding: var(--space-xl) 0;
    margin-top: var(--space-xl);
}

.video-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.video-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.video-label {
    margin-bottom: var(--space-md);
}

.label-glow {
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 3px;
    text-shadow: 0 0 10px var(--accent-glow);
}

.video-title {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

.title-highlight {
    position: relative;
    color: var(--accent);
}

.title-highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    animation: underlineGrow 3s ease-in-out infinite;
}

@keyframes underlineGrow {
    0%, 100% { transform: scaleX(0); }
    50% { transform: scaleX(1); }
}

.video-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
}

.video-placeholder-modern {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    aspect-ratio: 16/9;
}

.video-preview {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-gradient {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(10, 14, 23, 0.8));
}

.preview-play {
    position: relative;
    z-index: 1;
}

.play-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.play-circle::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--accent);
    animation: pulseRing 2s ease-in-out infinite;
}

.play-circle::after {
    content: '▶';
    color: var(--text-primary);
    font-size: 1.5rem;
    position: relative;
    z-index: 1;
}

@keyframes pulseRing {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 0; }
}

.preview-title {
    position: absolute;
    bottom: var(--space-lg);
    left: var(--space-lg);
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1.1rem;
}

/* 底部CTA */
.bottom-cta {
    padding: var(--space-xl) 0;
    margin-top: var(--space-xl);
}

.cta-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.cta-content {
    text-align: center;
}

.cta-title {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.title-underline {
    position: relative;
}

.title-underline::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent);
}

.cta-description {
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-bottom: var(--space-xl);
}

.cta-button-large {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg) var(--space-xl);
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--primary);
    text-decoration: none;
    border-radius: var(--radius-xl);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.cta-button-large:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: var(--glow-1);
}

.button-trail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.cta-button-large:hover .button-trail {
    transform: translateX(100%);
}

/* 未来主义页脚 */
.future-footer {
    margin-top: var(--space-xl);
    padding: var(--space-xl) 0 var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-brand {
    margin-bottom: var(--space-lg);
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.footer-tagline {
    color: var(--text-secondary);
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.link-group-title {
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--space-md);
}

.footer-link {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: var(--space-sm);
    transition: var(--transition-smooth);
    font-size: 0.9rem;
}

.footer-link:hover {
    color: var(--accent);
    transform: translateX(5px);
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.social-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition-smooth);
}

.social-link:hover {
    color: var(--accent);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.copyright {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.location {
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .floating-3d-nav {
        min-width: auto;
        width: 95%;
        padding: var(--space-sm) var(--space-md);
    }
    
    .nav-3d-container {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .nav-3d-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-sm);
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .video-content {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .stat-divider {
        width: 100px;
        height: 1px;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .cta-button {
        width: 100%;
        justify-content: center;
    }
    
    .video-title {
        font-size: 2rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .title-line-2,
    .title-line-3 {
        margin-left: 0;
    }
    
    .brand-text {
        display: none;
    }
}