* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-dark: #0a0a1a;
    --primary-purple: #4a0080;
    --primary-blue: #1a1a4e;
    --accent-pink: #ff6b9d;
    --accent-gold: #ffd700;
    --accent-cyan: #00ffff;
    --glow-purple: rgba(138, 43, 226, 0.6);
    --glow-gold: rgba(255, 215, 0, 0.5);
    --text-light: #ffffff;
    --text-gray: #b0b0d0;
}

body {
    font-family: 'Noto Sans SC', 'Orbitron', sans-serif;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-purple) 50%, var(--primary-blue) 100%);
    color: var(--text-light);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

#stars-canvas,
#portal-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.container {
    position: relative;
    z-index: 1;
    min-height: 100vh;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 1.5rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(180deg, rgba(10, 10, 26, 0.9) 0%, transparent 100%);
    backdrop-filter: blur(10px);
    z-index: 1000;
}

.logo {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.logo-en {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 2px;
    background: linear-gradient(90deg, var(--accent-pink), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-cn {
    font-size: 0.875rem;
    color: var(--text-gray);
    letter-spacing: 3px;
}

.nav {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    color: var(--text-gray);
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-pink), var(--accent-cyan));
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-light);
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-light);
    transition: all 0.3s ease;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 4rem;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 3rem;
    align-items: center;
    max-width: 1600px;
    width: 100%;
}

.hero-left {
    text-align: right;
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.title-en {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 3px;
}

.title-vr {
    font-family: 'Orbitron', sans-serif;
    font-size: 3rem;
    font-weight: 900;
    background: linear-gradient(90deg, var(--accent-pink), var(--accent-cyan), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px var(--glow-purple);
}

.title-cn {
    font-size: 2rem;
    font-weight: 500;
    letter-spacing: 8px;
    color: var(--accent-gold);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--accent-cyan);
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.hero-desc {
    font-size: 1rem;
    color: var(--text-gray);
    line-height: 1.8;
}

.portal-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
}

.portal-container {
    position: relative;
    width: 400px;
    height: 500px;
}

.portal-glow {
    position: absolute;
    top: -50px;
    left: -50px;
    right: -50px;
    bottom: -50px;
    background: radial-gradient(ellipse, var(--glow-purple) 0%, transparent 70%);
    animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

.portal-frame {
    position: relative;
    width: 100%;
    height: 100%;
    border: 4px solid transparent;
    border-image: linear-gradient(135deg, var(--accent-gold), var(--accent-pink), var(--accent-cyan)) 1;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1), rgba(255, 107, 157, 0.1), rgba(0, 255, 255, 0.1));
    animation: frame-rotate 10s linear infinite;
    overflow: hidden;
}

@keyframes frame-rotate {
    0% { border-image: linear-gradient(135deg, var(--accent-gold), var(--accent-pink), var(--accent-cyan)) 1; }
    33% { border-image: linear-gradient(255deg, var(--accent-pink), var(--accent-cyan), var(--accent-gold)) 1; }
    66% { border-image: linear-gradient(360deg, var(--accent-cyan), var(--accent-gold), var(--accent-pink)) 1; }
    100% { border-image: linear-gradient(135deg, var(--accent-gold), var(--accent-pink), var(--accent-cyan)) 1; }
}

.portal-inner {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #1a0a2e 0%, #2d1b4e 50%, #1a3a4e 100%);
    position: relative;
    overflow: hidden;
}

.chinese-patterns {
    position: absolute;
    width: 100%;
    height: 100%;
}

.cloud {
    position: absolute;
    width: 100px;
    height: 60px;
    background: radial-gradient(ellipse, rgba(255, 215, 0, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: float-cloud 8s ease-in-out infinite;
}

.cloud-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.cloud-2 {
    top: 40%;
    right: 10%;
    animation-delay: 4s;
}

@keyframes float-cloud {
    0%, 100% { transform: translateX(0) translateY(0); }
    50% { transform: translateX(20px) translateY(-10px); }
}

.mountain {
    position: absolute;
    bottom: 0;
    width: 0;
    height: 0;
    border-left: 80px solid transparent;
    border-right: 80px solid transparent;
    border-bottom: 120px solid;
    animation: mountain-glow 4s ease-in-out infinite;
}

.mountain-1 {
    left: 10%;
    border-bottom-color: rgba(139, 0, 0, 0.6);
    animation-delay: 0s;
}

.mountain-2 {
    right: 10%;
    border-bottom-color: rgba(25, 25, 112, 0.6);
    animation-delay: 2s;
}

@keyframes mountain-glow {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

.lantern {
    position: absolute;
    width: 30px;
    height: 50px;
    background: radial-gradient(ellipse, var(--accent-gold) 0%, #ff6600 100%);
    border-radius: 50% 50% 45% 45%;
    animation: swing-lantern 3s ease-in-out infinite;
    box-shadow: 0 0 30px var(--accent-gold);
}

.lantern::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 10px;
    background: var(--accent-gold);
    border-radius: 5px 5px 0 0;
}

.lantern-1 {
    top: 15%;
    left: 25%;
    animation-delay: 0s;
}

.lantern-2 {
    top: 20%;
    right: 25%;
    animation-delay: 1.5s;
}

@keyframes swing-lantern {
    0%, 100% { transform: rotate(-5deg); }
    50% { transform: rotate(5deg); }
}

.hero-right {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: flex-start;
}

.enter-btn {
    position: relative;
    padding: 1.5rem 3rem;
    font-family: 'Orbitron', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--text-light);
    background: linear-gradient(135deg, var(--primary-purple), var(--primary-blue));
    border: 2px solid transparent;
    border-image: linear-gradient(135deg, var(--accent-pink), var(--accent-cyan)) 1;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.3s ease;
}

.enter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.enter-btn:hover::before {
    left: 100%;
}

.enter-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 50px var(--glow-purple), 0 0 100px var(--glow-purple);
}

.btn-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150%;
    height: 150%;
    background: radial-gradient(circle, var(--glow-purple) 0%, transparent 70%);
    animation: btn-pulse 2s ease-in-out infinite;
    opacity: 0.5;
}

@keyframes btn-pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.8; }
}

.btn-text {
    position: relative;
    z-index: 1;
}

.coming-soon {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-gray);
    font-size: 0.9rem;
}

.pulse-dot {
    width: 10px;
    height: 10px;
    background: var(--accent-pink);
    border-radius: 50%;
    animation: pulse-dot 1.5s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.features {
    padding: 4rem 2rem;
    background: rgba(10, 10, 26, 0.5);
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    background: linear-gradient(135deg, rgba(74, 0, 128, 0.3), rgba(26, 26, 78, 0.3));
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 30px var(--glow-purple);
}

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

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--accent-gold);
}

.feature-card p {
    color: var(--text-gray);
    font-size: 0.9rem;
    line-height: 1.6;
}

.store-preview {
    padding: 5rem 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, var(--accent-pink), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    color: var(--text-gray);
    font-size: 1.1rem;
}

.products-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.product-card {
    background: linear-gradient(135deg, rgba(74, 0, 128, 0.2), rgba(26, 26, 78, 0.2));
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-gold);
    box-shadow: 0 0 40px rgba(255, 215, 0, 0.2);
}

.product-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-purple), var(--primary-blue));
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image.placeholder {
    background: linear-gradient(135deg, rgba(255, 107, 157, 0.2), rgba(0, 255, 255, 0.2));
    font-size: 1.1rem;
    color: var(--accent-gold);
}

.product-info {
    padding: 1.5rem;
}

.product-info h4 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.product-price {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.25rem;
    color: var(--accent-cyan);
    font-weight: 700;
}

.footer {
    background: rgba(10, 10, 26, 0.9);
    padding: 4rem 2rem 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(90deg, var(--accent-pink), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-section p:first-of-type {
    color: var(--text-gray);
    margin-bottom: 0.5rem;
}

.footer-tagline {
    color: var(--accent-gold);
    font-size: 0.9rem;
}

.footer-section h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--accent-gold);
}

.footer-section a {
    display: block;
    color: var(--text-gray);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

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

.social-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-link {
    padding: 0.5rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.social-link:hover {
    border-color: var(--accent-cyan);
    background: rgba(0, 255, 255, 0.1);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: var(--text-gray);
    font-size: 0.9rem;
}

.domain-info {
    margin-top: 0.5rem;
    color: var(--accent-cyan);
    font-family: 'Orbitron', sans-serif;
}

@media (max-width: 1200px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-left {
        text-align: center;
    }
    
    .hero-right {
        align-items: center;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 1rem 1.5rem;
    }
    
    .nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-title {
        gap: 0.25rem;
    }
    
    .title-en {
        font-size: 1.75rem;
    }
    
    .title-vr {
        font-size: 2rem;
    }
    
    .title-cn {
        font-size: 1.25rem;
        letter-spacing: 4px;
    }
    
    .portal-container {
        width: 280px;
        height: 350px;
    }
    
    .enter-btn {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    .portal-container {
        width: 220px;
        height: 280px;
    }
}