:root {
    /* 主色调 - 现代科技蓝绿渐变 */
    --primary-color: #00d4ff;
    --primary-light: #40e0ff;
    --primary-dark: #0099cc;
    --secondary-color: #ff6b6b;
    --accent-color: #4ecdc4;
    --success-color: #26d0ce;
    --warning-color: #ffa726;
    --error-color: #ff5722;
    
    /* 文字颜色 */
    --text-color: #e8e8e8;
    --text-secondary: #b0b0b0;
    --text-muted: #888888;
    --light-text: #ffffff;
    
    /* 背景色 */
    --bg-color: #0a0a0a;
    --bg-gradient: linear-gradient(135deg, 
        rgba(10, 10, 10, 0.85) 0%, 
        rgba(26, 26, 46, 0.80) 50%, 
        rgba(22, 33, 62, 0.85) 100%);
    --dark-bg: #000000;
    --gray-bg: #0f0f23;
    --card-bg: rgba(15, 15, 35, 0.8);
    --card-bg-hover: rgba(20, 20, 40, 0.95);
    --glass-bg: rgba(255, 255, 255, 0.05);
    
    /* 边框和阴影 */
    --border-color: rgba(0, 212, 255, 0.1);
    --border-hover: rgba(0, 212, 255, 0.3);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    /* 动画和过渡 */
    --transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    --transition-fast: all 0.2s ease-out;
    --transition-slow: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
    
    /* 特效 */
    --glow-effect: 0 0 30px rgba(0, 212, 255, 0.3);
    --glow-strong: 0 0 40px rgba(0, 212, 255, 0.6);
    --neon-text-shadow: 0 0 10px rgba(0, 212, 255, 0.8);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --floating-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    
    /* 渐变 */
    --gradient-primary: linear-gradient(135deg, #00d4ff, #4ecdc4);
    --gradient-secondary: linear-gradient(135deg, #ff6b6b, #ffa726);
    --gradient-dark: linear-gradient(135deg, #0a0a0a, #1a1a2e);
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));
    
    /* 尺寸 */
    --border-radius: 16px;
    --border-radius-small: 8px;
    --border-radius-large: 24px;
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;
}

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

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--dark-bg);
    overflow-x: hidden;
    scroll-behavior: smooth;
    position: relative;
}

/* 全局玻璃形态效果 */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

/* 容器 */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 2;
}

/* 背景装饰效果 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(78, 205, 196, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(255, 107, 107, 0.05) 0%, transparent 50%);
    z-index: -2;
    pointer-events: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

/* Header Styles - 现代化玻璃形态 */
header {
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
    position: fixed;
    width: 100%;
    z-index: 1000;
    top: 0;
    transition: var(--transition);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

header.scrolled {
    background: rgba(10, 10, 10, 0.95);
    box-shadow: 
        var(--glass-shadow),
        0 8px 40px rgba(0, 0, 0, 0.6);
    border-bottom: 1px solid rgba(0, 212, 255, 0.3);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: var(--transition);
}

.logo:hover {
    transform: translateY(-2px);
}

.logo img {
    height: 40px;
    border-radius: var(--border-radius-small);
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation Menu Styles - 统一的导航样式 */
/* 移动端优先 - 默认隐藏菜单 */
#menu-toggle {
    display: block;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

#menu-toggle:hover {
    color: var(--primary-color);
}

.nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(10px);
    list-style: none;
    margin: 0;
    padding: var(--spacing-md);
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: 1000;
    border-top: 1px solid var(--primary-color);
}

.nav-menu.active {
    display: flex;
}

.nav-menu li {
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.3s ease;
}

.nav-menu.active li {
    opacity: 1;
    transform: translateY(0);
}

/* 给每个菜单项添加延迟动画 */
.nav-menu.active li:nth-child(1) { transition-delay: 0.1s; }
.nav-menu.active li:nth-child(2) { transition-delay: 0.2s; }
.nav-menu.active li:nth-child(3) { transition-delay: 0.3s; }
.nav-menu.active li:nth-child(4) { transition-delay: 0.4s; }
.nav-menu.active li:nth-child(5) { transition-delay: 0.5s; }
.nav-menu.active li:nth-child(6) { transition-delay: 0.6s; }

nav ul li a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-small);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: block;
    text-align: center;
}

nav ul li a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: var(--transition);
    z-index: -1;
    opacity: 0.1;
}

nav ul li a:hover::before {
    left: 0;
}

nav ul li a:hover {
    color: var(--light-text);
    text-shadow: var(--neon-text-shadow);
    transform: translateY(-2px);
}

/* 桌面端导航样式 */
@media (min-width: 769px) {
    #menu-toggle {
        display: none;
    }
    
    .nav-menu {
        display: flex;
        position: static;
        flex-direction: row;
        background: none;
        backdrop-filter: none;
        padding: 0;
        gap: var(--spacing-lg);
        border-top: none;
        align-items: center;
    }
    
    .nav-menu li {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    nav ul li a {
        text-align: left;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
}

.language-selector select {
    padding: 5px 25px 5px 10px;
    border: 1px solid var(--primary-color);
    border-radius: 4px;
    background-color: var(--card-bg);
    color: var(--text-color);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2300ff00'%3E%3Cpath d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    font-size: 0.9rem;
    min-width: 120px;
    transition: var(--transition);
}

.language-selector select:hover,
.language-selector select:focus {
    border-color: var(--accent-color);
    box-shadow: var(--glow-effect);
}

.language-selector select option {
    background-color: var(--dark-bg);
    color: var(--text-color);
    padding: 10px;
}

.language-selector select option:hover,
.language-selector select option:focus {
    background-color: var(--primary-color);
    color: var(--dark-bg);
}

/* Hero Section - 现代化设计 */
.hero {
    background: var(--bg-gradient);
    color: var(--light-text);
    padding: 180px 0 120px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 70%),
        linear-gradient(135deg, transparent 0%, rgba(78, 205, 196, 0.05) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
}

.hero-content h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    color: var(--text-secondary);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* Button Styles - 现代化按钮设计 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
    min-height: 48px;
}

.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: var(--transition-slow);
}

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

.btn.primary {
    background: var(--gradient-primary);
    color: var(--dark-bg);
    box-shadow: var(--glow-effect);
    font-weight: 700;
}

.btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--glow-strong);
}

.btn.secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    backdrop-filter: blur(10px);
}

.btn.secondary:hover {
    background: var(--primary-color);
    color: var(--dark-bg);
    transform: translateY(-3px);
    box-shadow: var(--glow-effect);
}

.btn.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    color: var(--light-text);
}

.btn.glass:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

/* Sections General Style - 现代化布局 */
section {
    padding: var(--spacing-xxl) 0;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.section-title {
    text-align: center;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-xl);
    position: relative;
    background: linear-gradient(135deg, var(--primary-color), #00ff88, #ffffff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
    animation: titleGlow 3s ease-in-out infinite alternate;
}

@keyframes titleGlow {
    0% {
        filter: brightness(1);
        text-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    }
    100% {
        filter: brightness(1.1);
        text-shadow: 0 0 40px rgba(0, 212, 255, 0.6);
    }
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--primary-color), #00ff88, var(--primary-color), transparent);
    margin: var(--spacing-md) auto 0;
    border-radius: 2px;
    box-shadow: 
        0 0 10px rgba(0, 212, 255, 0.7),
        0 0 20px rgba(0, 212, 255, 0.4),
        0 0 30px rgba(0, 212, 255, 0.2);
    animation: lineGlow 2s ease-in-out infinite alternate;
}

@keyframes lineGlow {
    0% {
        opacity: 0.7;
        width: 60px;
    }
    100% {
        opacity: 1;
        width: 100px;
    }
}

/* Products Section - 现代化产品网格 */
.products {
    background: var(--bg-gradient);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    position: relative;
}

.product-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-large);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-large);
    z-index: -1;
    opacity: 0;
    transition: var(--transition);
}

.product-card:hover::before {
    opacity: 0.3;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--floating-shadow);
}

.product-image {
    height: 220px;
    overflow: hidden;
    position: relative;
    background: var(--gradient-dark);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.1), rgba(0,0,0,0.3));
    z-index: 2;
    opacity: 0;
    transition: var(--transition);
}

.product-card:hover .product-image::before {
    opacity: 1;
}

.product-info {
    padding: var(--spacing-lg);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-info h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--light-text);
}

.product-info p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
    flex-grow: 1;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.product-features span {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    color: var(--primary-color);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-small);
    font-size: 0.8rem;
    font-weight: 500;
}

/* Features Section - 现代化功能展示 */
.features {
    background: linear-gradient(135deg, 
        rgba(15, 15, 35, 0.5) 0%, 
        rgba(26, 26, 46, 0.3) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.feature-item {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-large);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.feature-item:hover::before {
    opacity: 0.05;
}

.feature-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--floating-shadow);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-lg);
    display: block;
}

.feature-item h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--light-text);
}

.feature-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* About Section - 现代化关于我们 */
.about {
    background: var(--bg-gradient);
}

.about-desc {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

/* Contact Section - 现代化联系表单 */
.contact {
    background: linear-gradient(135deg, 
        rgba(15, 15, 35, 0.8) 0%, 
        rgba(26, 26, 46, 0.6) 100%);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: var(--spacing-xxl);
    border-radius: var(--border-radius-large);
    box-shadow: var(--glass-shadow);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--light-text);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-color);
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: var(--glow-effect);
    outline: none;
    background: rgba(255, 255, 255, 0.08);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

/* Footer - 现代化页脚 */
footer {
    background: var(--dark-bg);
    color: var(--light-text);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--spacing-lg) 0;
}

.footer-logo img {
    height: 40px;
    margin-bottom: var(--spacing-sm);
}

.footer-links h3,
.footer-contact h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
    font-weight: 600;
}

.footer-links ul {
    list-style: none;
}

.footer-links ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-links ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-links ul li a:hover {
    color: var(--primary-color);
}

.footer-contact p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.social-icons {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-color);
    transition: var(--transition);
}

.social-icons a:hover {
    background: var(--primary-color);
    color: var(--dark-bg);
    transform: translateY(-2px);
    box-shadow: var(--glow-effect);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

/* 页脚版权居中样式 */
.copyright {
    text-align: center;
    width: 100%;
    padding: var(--spacing-md) 0;
}

.copyright p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    opacity: 0.8;
    transition: var(--transition);
}

.copyright p:hover {
    opacity: 1;
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    color: var(--light-text);
    font-size: 1.5rem;
    transition: var(--transition);
}

/* Header Right Section - 现代化设计 */
.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    position: relative;
}

/* Social Links - 增强设计 */
header .social-links {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

header .social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--primary-color);
    font-size: 1.1rem;
    transition: var(--transition);
    border-radius: 50%;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 212, 255, 0.2);
    position: relative;
    overflow: hidden;
}

header .social-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

header .social-links a:hover::before {
    opacity: 0.2;
}

header .social-links a:hover {
    color: var(--light-text);
    text-shadow: var(--neon-text-shadow);
    transform: translateY(-3px) scale(1.1);
    box-shadow: var(--glow-effect);
    border-color: var(--primary-color);
}

/* Tooltip Effects for Social Links */
header .social-links a[href*="discord"]:hover::after {
    content: 'Join Discord Server';
    position: absolute;
    top: 120%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--primary-color);
    border-radius: var(--border-radius-small);
    font-size: 0.75rem;
    white-space: nowrap;
    color: var(--primary-color);
    pointer-events: none;
    z-index: 1001;
    box-shadow: var(--glass-shadow);
}

header .social-links a[href*="t.me"]:hover::after {
    content: 'Join Telegram Channel';
    position: absolute;
    top: 120%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--primary-color);
    border-radius: var(--border-radius-small);
    font-size: 0.75rem;
    white-space: nowrap;
    color: var(--primary-color);
    pointer-events: none;
    z-index: 1001;
    box-shadow: var(--glass-shadow);
}

/* Particles.js Background Effect */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -10;
    pointer-events: none;
    opacity: 0.8;
}

#particles-js canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
    z-index: -10 !important;
}

/* Game Categories Buttons */
.game-categories {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.category-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.category-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: var(--transition);
    z-index: -1;
}

.category-btn:hover::before,
.category-btn.active::before {
    left: 0;
}

.category-btn:hover,
.category-btn.active {
    color: var(--dark-bg);
    border-color: var(--primary-color);
    box-shadow: var(--glow-effect);
}

/* Job Cards */
.job-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.job-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-large);
    padding: var(--spacing-xl);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.job-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-large);
    z-index: -1;
    opacity: 0;
    transition: var(--transition);
}

.job-card:hover::before {
    opacity: 0.2;
}

.job-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--floating-shadow);
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.job-header h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--light-text);
    margin: 0;
}

.job-tag {
    background: var(--primary-color);
    color: var(--dark-bg);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-small);
    font-size: 0.8rem;
    font-weight: 600;
}

.job-content {
    margin-bottom: var(--spacing-lg);
}

.job-section {
    margin-bottom: var(--spacing-lg);
}

.job-section h4 {
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.job-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.job-section li {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-xs);
    position: relative;
    padding-left: var(--spacing-lg);
}

.job-section li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 0.8rem;
}

.job-footer {
    text-align: center;
}

/* Careers Section */
.careers {
    background: linear-gradient(135deg, 
        rgba(15, 15, 35, 0.8) 0%, 
        rgba(26, 26, 46, 0.6) 100%);
}

.careers-desc {
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
    text-align: center;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}