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

:root {
    --primary: #00d4ff;
    --primary-dark: #0099cc;
    --secondary: #7b2cbf;
    --accent: #ff006e;
    --dark: #0a0a1a;
    --darker: #050510;
    --text: #e0e0e0;
    --text-light: #a0a0a0;
    --light: #1a1a2e;
    --white: #fff;
    --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
    --shadow: 0 10px 40px rgba(0, 212, 255, 0.1);
    --shadow-hover: 0 15px 50px rgba(0, 212, 255, 0.2);
    --transition: all 0.3s ease;
    --glow: 0 0 20px rgba(0, 212, 255, 0.5);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--dark);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-size: 0.85rem;
    letter-spacing: 5px;
    color: var(--primary);
    margin-bottom: 15px;
}

.section-header h2 {
    font-size: 2.8rem;
    color: var(--white);
    margin-bottom: 15px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 35px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

.btn-primary {
    background: var(--gradient);
    color: var(--white);
}

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

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--dark);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.9rem;
}

.btn-lg {
    padding: 18px 45px;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(10, 10, 26, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon i {
    font-size: 1.3rem;
    color: var(--white);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
}

.nav-menu {
    display: flex;
    gap: 35px;
}

.nav-link {
    color: var(--text);
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}

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

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

.nav-link.active {
    color: var(--primary);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--darker);
    overflow: hidden;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(123, 44, 191, 0.1) 0%, transparent 50%);
}

.hero-content {
    text-align: center;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--primary);
    border-radius: 50px;
    margin-bottom: 30px;
}

.pulse {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 212, 255, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(0, 212, 255, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 212, 255, 0);
    }
}

.hero-badge span:last-child {
    font-size: 0.85rem;
    letter-spacing: 3px;
    color: var(--primary);
}

.hero-content h1 {
    font-size: 5rem;
    margin-bottom: 20px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1rem;
    letter-spacing: 10px;
    color: var(--text-light);
    margin-bottom: 20px;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 40px;
}

.hero-btns {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
}

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

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--text-light);
}

.hero-scroll span {
    display: block;
    font-size: 0.75rem;
    letter-spacing: 3px;
    margin-bottom: 10px;
}

.scroll-line {
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, var(--primary), transparent);
    margin: 0 auto;
    animation: scrollLine 2s infinite;
}

@keyframes scrollLine {
    0% {
        opacity: 0;
        transform: scaleY(0);
    }
    50% {
        opacity: 1;
        transform: scaleY(1);
    }
    100% {
        opacity: 0;
        transform: scaleY(0);
    }
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-card {
    position: relative;
    text-align: center;
    padding: 40px 25px;
    background: var(--light);
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: var(--transition);
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
}

.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(0, 212, 255, 0.1), transparent);
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover .card-glow {
    opacity: 1;
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.feature-icon i {
    font-size: 2rem;
    color: var(--white);
}

.feature-card h3 {
    font-size: 1.2rem;
    color: var(--white);
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.menu-card {
    background: var(--light);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: var(--transition);
}

.menu-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
}

.card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

.menu-card:hover .card-image img {
    transform: scale(1.1);
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(10, 10, 26, 0.8), transparent);
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    padding: 15px;
}

.ai-tag {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    background: var(--gradient);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--white);
}

.card-content {
    padding: 25px;
}

.card-content h3 {
    font-size: 1.2rem;
    color: var(--white);
    margin-bottom: 10px;
}

.card-content p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.price {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
}

.menu-cta {
    text-align: center;
    margin-top: 50px;
}

.tech-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.tech-content .section-tag {
    margin-bottom: 15px;
}

.tech-content h2 {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 25px;
}

.tech-content p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.tech-list {
    margin: 30px 0;
}

.tech-list li {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    color: var(--text);
}

.tech-list li i {
    color: var(--primary);
}

.tech-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.tech-circle {
    position: relative;
    width: 300px;
    height: 300px;
}

.circle-inner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.circle-inner i {
    font-size: 2.5rem;
    color: var(--white);
}

.circle-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    animation: rotate 10s linear infinite;
}

.circle-ring::before {
    content: '';
    position: absolute;
    top: -5px;
    left: 50%;
    width: 10px;
    height: 10px;
    background: var(--primary);
    border-radius: 50%;
}

.ring-2 {
    width: 250px;
    height: 250px;
    border-color: var(--secondary);
    animation-duration: 15s;
    animation-direction: reverse;
}

.ring-2::before {
    background: var(--secondary);
}

.ring-3 {
    width: 300px;
    height: 300px;
    border-color: var(--accent);
    animation-duration: 20s;
}

.ring-3::before {
    background: var(--accent);
}

@keyframes rotate {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    position: relative;
    background: var(--light);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: var(--transition);
    overflow: hidden;
}

.testimonial-card:hover {
    border-color: var(--primary);
}

.rating {
    margin-bottom: 20px;
}

.rating i {
    color: var(--primary);
    font-size: 0.9rem;
}

.testimonial-card p {
    color: var(--text);
    font-style: italic;
    line-height: 1.8;
    margin-bottom: 25px;
    position: relative;
    z-index: 1;
}

.author {
    display: flex;
    align-items: center;
    gap: 15px;
    position: relative;
    z-index: 1;
}

.author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.author h4 {
    font-size: 1rem;
    color: var(--white);
}

.author span {
    font-size: 0.85rem;
    color: var(--text-light);
}

.cta {
    background: linear-gradient(135deg, var(--dark) 0%, var(--light) 100%);
    text-align: center;
    padding: 120px 0;
    position: relative;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(0, 212, 255, 0.1), transparent);
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 15px;
}

.cta-content p {
    color: var(--text-light);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.footer {
    background: var(--darker);
    color: var(--white);
    padding: 80px 0 0;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.footer-social a {
    width: 45px;
    height: 45px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--gradient);
    color: var(--white);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col h4 {
    font-size: 1.1rem;
    margin-bottom: 25px;
}

.footer-col p {
    color: var(--text-light);
    line-height: 1.8;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: var(--text-light);
}

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

.footer-col .hours li {
    display: flex;
    justify-content: space-between;
    color: var(--text-light);
}

.footer-col .contact-info li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
}

.footer-col .contact-info i {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding: 25px 0;
    color: var(--text-light);
}

.page-banner {
    position: relative;
    height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--darker);
}

.page-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(0, 212, 255, 0.1), transparent);
}

.page-banner .container {
    position: relative;
    z-index: 1;
    text-align: center;
}

.page-banner h1 {
    font-size: 3rem;
    color: var(--white);
    margin-bottom: 15px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-banner p {
    color: var(--text-light);
    font-size: 1rem;
    letter-spacing: 5px;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--light);
    padding: 50px;
    text-align: center;
    max-width: 400px;
    border-radius: 20px;
    border: 1px solid var(--primary);
}

.modal-icon {
    font-size: 4rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.modal-content h3 {
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 15px;
}

.modal-content p {
    color: var(--text-light);
    margin-bottom: 25px;
}