:root {
    --primary-color: #00f0ff;
    --secondary-color: #ff00f0;
    --dark-bg: #0a0a1a;
    --darker-bg: #050510;
    --light-text: #ffffff;
    --dark-text: #111111;
    --neon-glow: 0 0 10px var(--primary-color);
    --neon-glow-secondary: 0 0 10px var(--secondary-color);
    --transition-speed: 0.3s;
}

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

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background-color: var(--dark-bg);
    color: var(--light-text);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(0, 240, 255, 0.1) 0%, transparent 20%),
        radial-gradient(circle at 80% 70%, rgba(255, 0, 240, 0.1) 0%, transparent 20%),
        linear-gradient(to bottom, var(--darker-bg), var(--dark-bg));
    background-attachment: fixed;
}

/*  */
.cyber-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
}

.cyber-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid rgba(0, 240, 255, 0.2);
    position: relative;
}

.nav-logo img {
    height: 50px;
    filter: drop-shadow(var(--neon-glow));
    transition: all var(--transition-speed);
}

.nav-logo img:hover {
    filter: drop-shadow(var(--neon-glow-secondary));
}

.nav-links {
    display: flex;
    gap: 25px;
}

.cyber-link {
    color: var(--light-text);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 5px 0;
    transition: all var(--transition-speed);
}

.cyber-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-speed);
}

.cyber-link:hover {
    color: var(--primary-color);
    text-shadow: var(--neon-glow);
}

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


.cyber-header {
    text-align: center;
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.cyber-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle, rgba(0, 240, 255, 0.05) 0%, transparent 70%),
        radial-gradient(circle, rgba(255, 0, 240, 0.05) 0%, transparent 70%);
    z-index: -1;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.cyber-title {
    font-size: 3.5rem;
    margin-bottom: 15px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

.cyber-subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.8;
}


.cyber-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin: 40px auto;
    max-width: 800px;
}

.grid-item {
    background: rgba(10, 10, 30, 0.5);
    border: 1px solid rgba(0, 240, 255, 0.1);
    border-radius: 10px;
    padding: 30px 20px;
    backdrop-filter: blur(5px);
    transition: all var(--transition-speed);
}

.grid-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 240, 255, 0.1);
    border-color: rgba(0, 240, 255, 0.3);
}

.data-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.data-label {
    font-size: 0.9rem;
    opacity: 0.7;
}


.cyber-button {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-text);
    border: none;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-speed);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
}

.cyber-button::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: all 0.6s;
}

.cyber-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 25px rgba(0, 240, 255, 0.8);
}

.cyber-button:hover::before {
    left: 100%;
}


.quick-links {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 3px;
}

.link-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.link-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 25px 15px;
    background: rgba(10, 10, 30, 0.5);
    border: 1px solid rgba(0, 240, 255, 0.1);
    border-radius: 10px;
    text-decoration: none;
    color: var(--light-text);
    transition: all var(--transition-speed);
    position: relative;
    overflow: hidden;
}

.link-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.05), rgba(255, 0, 240, 0.05));
    z-index: -1;
}

.link-icon {
    font-size: 2rem;
    margin-bottom: 15px;
    transition: all var(--transition-speed);
}

.link-text {
    font-weight: 500;
    transition: all var(--transition-speed);
}

.link-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 240, 255, 0.1);
    border-color: rgba(0, 240, 255, 0.3);
}

.link-card:hover .link-icon {
    transform: scale(1.2);
    text-shadow: var(--neon-glow);
}

.link-card:hover .link-text {
    color: var(--primary-color);
}


.feature-section {
    padding: 60px 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background: rgba(10, 10, 30, 0.5);
    border: 1px solid rgba(0, 240, 255, 0.1);
    border-radius: 15px;
    padding: 30px;
    transition: all var(--transition-speed);
    position: relative;
    overflow: hidden;
}

.feature-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        to bottom right,
        rgba(0, 240, 255, 0.1) 0%,
        rgba(255, 0, 240, 0.1) 50%,
        transparent 100%
    );
    transform: rotate(30deg);
    transition: all 0.6s;
    z-index: -1;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 240, 255, 0.2);
    border-color: rgba(0, 240, 255, 0.5);
}

.feature-card:hover::after {
    transform: rotate(30deg) translate(10%, 10%);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    display: inline-block;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.feature-card p {
    opacity: 0.8;
    font-size: 0.9rem;
}


.cyber-footer {
    background: rgba(5, 5, 15, 0.8);
    padding: 60px 0 30px;
    margin-top: 60px;
    border-top: 1px solid rgba(0, 240, 255, 0.1);
    position: relative;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--primary-color);
    position: relative;
    display: inline-block;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 50%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), transparent);
}

.footer-section p {
    margin-bottom: 10px;
    opacity: 0.8;
}

.tech-badges {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.tech-badges a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(0, 240, 255, 0.1);
    border-radius: 50%;
    font-size: 1.2rem;
    color: var(--light-text);
    text-decoration: none;
    transition: all var(--transition-speed);
}

.tech-badges a:hover {
    background: var(--primary-color);
    color: var(--dark-text);
    transform: translateY(-3px);
    box-shadow: var(--neon-glow);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(0, 240, 255, 0.1);
}

.footer-bottom p {
    opacity: 0.6;
    font-size: 0.9rem;
    margin-bottom: 10px;
}


.cyber-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(10, 10, 30, 0.9);
    border: 1px solid var(--primary-color);
    border-radius: 8px;
    padding: 15px 20px;
    box-shadow: var(--neon-glow);
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 300px;
    z-index: 1000;
    transform: translateX(150%);
    transition: transform 0.5s ease;
}

.cyber-notification.active {
    transform: translateX(0);
}

.close-btn {
    cursor: pointer;
    margin-left: 15px;
    opacity: 0.7;
    transition: all var(--transition-speed);
}

.close-btn:hover {
    opacity: 1;
    color: var(--primary-color);
}