/* ==================== Reset & Base ==================== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg-primary: #06060d;
    --bg-secondary: #0a0a16;
    --bg-card: rgba(15, 15, 35, 0.6);
    --text-primary: #e8e8f0;
    --text-secondary: #9090b0;
    --text-muted: #606080;
    --accent: #00e5ff;
    --accent2: #7c4dff;
    --accent3: #00b8d4;
    --gradient-1: linear-gradient(135deg, #00e5ff, #7c4dff);
    --gradient-2: linear-gradient(135deg, #7c4dff, #ff4081);
    --gradient-3: linear-gradient(135deg, #00b8d4, #00e5ff);
    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);
    --glow-cyan: 0 0 30px rgba(0, 229, 255, 0.15);
    --glow-purple: 0 0 30px rgba(124, 77, 255, 0.15);
    --radius: 16px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(0, 229, 255, 0.3); color: #fff; }

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ==================== Particle Canvas ==================== */
#particleCanvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ==================== Loader ==================== */
.loader {
    position: fixed; inset: 0;
    background: var(--bg-primary);
    z-index: 9999;
    display: flex; align-items: center; justify-content: center;
    transition: opacity 0.5s, visibility 0.5s;
}
.loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-content { text-align: center; }
.loader-svg { width: 200px; height: 80px; }
.loader-text {
    font-family: 'Orbitron', monospace;
    font-size: 48px; font-weight: 900;
    fill: none;
    stroke: var(--accent);
    stroke-width: 1;
    stroke-dasharray: 300;
    stroke-dashoffset: 300;
    animation: drawText 1.5s ease forwards;
}
@keyframes drawText { to { stroke-dashoffset: 0; } }
.loader-bar {
    width: 200px; height: 2px;
    background: rgba(255,255,255,0.1);
    margin: 24px auto 0;
    border-radius: 2px;
    overflow: hidden;
}
.loader-progress {
    width: 0; height: 100%;
    background: var(--gradient-1);
    border-radius: 2px;
    animation: loadProgress 1.2s ease forwards 0.3s;
}
@keyframes loadProgress { to { width: 100%; } }

/* ==================== Navigation ==================== */
.navbar {
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}
.navbar.scrolled {
    background: rgba(6, 6, 13, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: baseline; gap: 6px; z-index: 10; }
.logo-318 {
    font-family: 'Orbitron', monospace;
    font-size: 28px; font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.logo-318.large { font-size: 52px; display: block; }
.logo-sub { font-size: 13px; color: var(--text-secondary); letter-spacing: 2px; font-weight: 300; }

.nav-menu { display: flex; gap: 32px; align-items: center; }
.nav-link {
    font-size: 14px; font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 4px 0;
    transition: color var(--transition);
    letter-spacing: 0.5px;
}
.nav-link::after {
    content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
    background: var(--gradient-1); border-radius: 2px;
    transition: width var(--transition);
}
.nav-link:hover, .nav-link.active { color: #fff; }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

/* Dropdown Menu */
.nav-dropdown { position: relative; }
.dropdown-toggle { display: flex; align-items: center; gap: 4px; cursor: pointer; }
.dropdown-arrow {
    font-size: 10px; transition: transform var(--transition);
    display: inline-block;
}
.nav-dropdown:hover .dropdown-arrow { transform: rotate(180deg); }
.dropdown-menu {
    position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(8px);
    min-width: 180px;
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 8px 0;
    opacity: 0; visibility: hidden;
    transform: translateX(-50%) translateY(16px);
    transition: opacity 0.25s, visibility 0.25s, transform 0.25s;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5), var(--glow-purple);
}
.nav-dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(8px); }
.dropdown-menu li { list-style: none; }
.dropdown-menu li a {
    display: block; padding: 10px 20px;
    font-size: 13px; font-weight: 400;
    color: var(--text-secondary);
    transition: var(--transition);
    white-space: nowrap;
}
.dropdown-menu li a:hover {
    color: var(--accent);
    background: rgba(0, 229, 255, 0.06);
}

.nav-hamburger {
    display: none; flex-direction: column; gap: 5px;
    cursor: pointer; z-index: 10; padding: 4px;
}
.nav-hamburger span {
    width: 24px; height: 2px; background: #fff;
    border-radius: 2px; transition: var(--transition);
}
.nav-hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-hamburger.active span:nth-child(2) { opacity: 0; }
.nav-hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ==================== Hero ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    padding: 120px 24px 80px;
}
.hero-grid {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(0,229,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,229,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}
.hero::before {
    content: '';
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 800px; height: 800px;
    background: radial-gradient(circle, rgba(0,229,255,0.06) 0%, transparent 70%);
    pointer-events: none;
}
.hero::after {
    content: '';
    position: absolute; top: 20%; right: 10%;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(124,77,255,0.05) 0%, transparent 70%);
    pointer-events: none;
}
.hero-content { position: relative; z-index: 2; text-align: center; max-width: 800px; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 20px;
    border: 1px solid var(--border);
    border-radius: 50px;
    font-family: 'Orbitron', monospace;
    font-size: 12px; letter-spacing: 3px;
    color: var(--accent);
    margin-bottom: 32px;
    background: rgba(0,229,255,0.05);
}
.badge-dot {
    width: 6px; height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0,229,255,0.6); }
    50% { box-shadow: 0 0 0 8px rgba(0,229,255,0); }
}

.hero-title { margin-bottom: 24px; }
.title-line { display: block; font-size: 20px; font-weight: 300; color: var(--text-secondary); letter-spacing: 6px; }
.title-highlight {
    display: block;
    font-size: clamp(40px, 6vw, 64px); font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.3;
    margin: 8px 0;
}
.hero-subtitle {
    font-size: 18px; color: var(--text-secondary);
    margin-bottom: 12px;
    letter-spacing: 1px;
}
.highlight-text {
    color: var(--accent);
    font-family: 'Orbitron', monospace;
    font-weight: 700;
}
.hero-desc {
    font-size: 15px; color: var(--text-muted);
    margin-bottom: 40px;
}
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 32px; border-radius: 50px;
    font-size: 15px; font-weight: 500;
    transition: var(--transition);
    border: none; cursor: pointer;
    letter-spacing: 0.5px;
}
.btn-primary {
    background: var(--gradient-1);
    color: #000;
    position: relative;
    overflow: hidden;
}
.btn-primary::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(135deg, #7c4dff, #00e5ff);
    opacity: 0; transition: opacity 0.3s;
}
.btn-primary:hover::before { opacity: 1; }
.btn-primary span, .btn-primary svg { position: relative; z-index: 1; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--glow-cyan); }

.btn-outline {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255,255,255,0.2);
}
.btn-outline:hover {
    border-color: var(--accent);
    box-shadow: var(--glow-cyan);
    transform: translateY(-2px);
}

.btn-product {
    background: linear-gradient(135deg, rgba(124,77,255,0.2), rgba(0,229,255,0.1));
    color: #fff;
    border: 1px solid rgba(124,77,255,0.4);
}
.btn-product:hover {
    border-color: var(--accent2);
    box-shadow: var(--glow-purple);
    transform: translateY(-2px);
}

.hero-scroll-indicator {
    position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    color: var(--text-muted); font-size: 11px; letter-spacing: 2px;
    z-index: 2;
}
.scroll-mouse {
    width: 24px; height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    display: flex; justify-content: center;
    padding-top: 8px;
}
.scroll-dot {
    width: 4px; height: 8px;
    background: var(--accent);
    border-radius: 2px;
    animation: scrollAnim 1.5s ease infinite;
}
@keyframes scrollAnim {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(12px); opacity: 0; }
}

/* ==================== Stats ==================== */
.stats {
    position: relative; z-index: 2;
    padding: 0 0 80px;
}
.stats-grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 48px;
}
.stat-item { text-align: center; }
.stat-number {
    font-family: 'Orbitron', monospace;
    font-size: 40px; font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}
.stat-label { font-size: 14px; color: var(--text-secondary); }

/* ==================== Section Headers ==================== */
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
    display: inline-block;
    font-family: 'Orbitron', monospace;
    font-size: 11px; letter-spacing: 4px;
    color: var(--accent);
    margin-bottom: 16px;
    padding: 4px 12px;
    border: 1px solid rgba(0,229,255,0.2);
    border-radius: 4px;
}
.section-title {
    font-size: clamp(28px, 4vw, 42px); font-weight: 700;
    margin-bottom: 12px;
}
.gradient-text { background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.section-desc { font-size: 16px; color: var(--text-secondary); }

/* ==================== Glass Card ==================== */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: var(--transition);
}
.glass-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--glow-purple);
    transform: translateY(-2px);
}

/* ==================== About ==================== */
.about { position: relative; z-index: 2; padding: 80px 0; }
.about-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 24px;
}
.about-card { text-align: center; }
.about-card .card-icon {
    width: 64px; height: 64px;
    margin: 0 auto 20px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    background: rgba(0,229,255,0.08);
    color: var(--accent);
    border: 1px solid rgba(0,229,255,0.15);
}
.about-card .card-icon svg { width: 28px; height: 28px; }
.about-card h3 { font-size: 18px; margin-bottom: 12px; font-weight: 600; }
.about-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; }
.about-detail {
    text-align: center; max-width: 900px; margin: 0 auto;
    font-size: 15px; color: var(--text-secondary); line-height: 2;
}
.about-detail strong { color: var(--accent); }

/* ==================== Services ==================== */
.services { position: relative; z-index: 2; padding: 80px 0; background: rgba(255,255,255,0.01); }
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.service-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 28px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: var(--gradient-1);
    opacity: 0;
    transition: opacity var(--transition);
}
.service-card:hover::before { opacity: 1; }
.service-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: var(--glow-cyan);
}
.service-icon-wrap {
    position: relative;
    width: 72px; height: 72px;
    margin: 0 auto 24px;
    display: flex; align-items: center; justify-content: center;
}
.service-icon-wrap svg { width: 36px; height: 36px; color: var(--accent); position: relative; z-index: 1; }
.service-glow {
    position: absolute; inset: 0;
    background: radial-gradient(circle, rgba(0,229,255,0.2) 0%, transparent 70%);
    border-radius: 50%;
}
.service-card h3 { font-size: 18px; margin-bottom: 12px; font-weight: 600; }
.service-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* ==================== Achievements ==================== */
.achievements { position: relative; z-index: 2; padding: 80px 0; }
.achievements-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.achievement-link { display: block; color: inherit; text-decoration: none; }
.achievement-link:hover { color: inherit; text-decoration: none; }
.achievement-link:hover .achievement-card {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: var(--glow-purple);
}
.achievement-link:hover .achieve-overlay { opacity: 1; }

.achievement-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}
.achievement-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: var(--glow-purple);
}
.achieve-img { position: relative; height: 200px; overflow: hidden; }
.achieve-placeholder {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, rgba(0,229,255,0.08), rgba(124,77,255,0.08));
    color: var(--accent);
}
.achieve-placeholder svg { width: 56px; height: 56px; opacity: 0.4; }
.achieve-overlay {
    position: absolute; inset: 0;
    background: rgba(0,0,0,0.7);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: var(--transition);
}
.achieve-overlay span {
    color: var(--accent);
    font-size: 14px; font-weight: 500;
    letter-spacing: 1px;
}
.achievement-card:hover .achieve-overlay { opacity: 1; }
.achievement-card h3 { padding: 20px 24px 8px; font-size: 18px; font-weight: 600; }
.achievement-card p { padding: 0 24px 24px; font-size: 14px; color: var(--text-secondary); }

/* ==================== Mall ==================== */
.mall-section { position: relative; z-index: 2; padding: 80px 0; background: rgba(255,255,255,0.01); }
.mall-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.mall-card {
    position: relative;
    padding: 36px 28px;
    text-align: center;
}
.mall-badge {
    position: absolute; top: 16px; right: 16px;
    font-size: 11px; font-weight: 600;
    padding: 4px 12px; border-radius: 50px;
    background: var(--gradient-2);
    color: #fff;
    letter-spacing: 1px;
}
.mall-badge.new { background: var(--gradient-3); }
.mall-card h3 { font-size: 20px; margin-bottom: 12px; font-weight: 600; }
.mall-card > p { font-size: 14px; color: var(--text-secondary); margin-bottom: 20px; }
.mall-features { margin-bottom: 24px; }
.mall-features li {
    font-size: 14px; color: var(--text-secondary);
    padding: 8px 0; border-bottom: 1px solid var(--border);
}
.mall-features li:last-child { border: none; }
.mall-features li::before {
    content: '✓'; color: var(--accent); margin-right: 8px; font-size: 12px;
}
.mall-link {
    display: inline-block; font-size: 14px; font-weight: 500;
    color: var(--accent);
    transition: var(--transition);
    letter-spacing: 0.5px;
}
.mall-link:hover { color: #fff; transform: translateX(4px); }

/* ==================== Practice ==================== */
.practice { position: relative; z-index: 2; padding: 80px 0; }
.practice-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.practice-item {
    display: flex; align-items: center; gap: 16px;
    padding: 24px 28px;
    transition: var(--transition);
}
.practice-item:hover { border-color: var(--accent); box-shadow: var(--glow-cyan); transform: translateX(4px); }
.practice-num {
    font-family: 'Orbitron', monospace;
    font-size: 24px; font-weight: 900;
    color: var(--accent);
    opacity: 0.6;
    min-width: 40px;
}
.practice-item p { flex: 1; font-size: 15px; color: var(--text-secondary); }
.practice-arrow {
    font-size: 18px; color: var(--text-muted);
    transition: var(--transition);
}
.practice-item:hover .practice-arrow { color: var(--accent); transform: translateX(4px); }

/* ==================== Contact ==================== */
.contact { position: relative; z-index: 2; padding: 80px 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.contact-info { padding: 40px; }
.contact-logo { margin-bottom: 16px; }
.contact-company { font-size: 15px; color: var(--text-secondary); margin-bottom: 32px; }
.contact-item {
    display: flex; align-items: center; gap: 16px;
    margin-bottom: 24px;
}
.contact-icon {
    width: 48px; height: 48px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(0,229,255,0.08);
    border-radius: 12px;
    color: var(--accent);
    flex-shrink: 0;
}
.contact-icon svg { width: 22px; height: 22px; }
.contact-label { display: block; font-size: 12px; color: var(--text-muted); letter-spacing: 1px; text-transform: uppercase; }
.contact-value { font-size: 16px; font-weight: 500; }
.contact-social { display: flex; gap: 12px; margin-top: 32px; }
.social-link {
    width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-secondary);
    transition: var(--transition);
}
.social-link:hover { border-color: var(--accent); color: var(--accent); box-shadow: var(--glow-cyan); }
.social-link svg { width: 20px; height: 20px; }

.contact-map { min-height: 350px; display: flex; align-items: center; justify-content: center; }
.map-placeholder { text-align: center; color: var(--text-secondary); }
.map-placeholder svg { width: 64px; height: 64px; color: var(--accent); opacity: 0.6; margin-bottom: 16px; }
.map-placeholder p { font-size: 24px; font-weight: 600; color: var(--text-primary); }
.map-placeholder span { font-family: 'Orbitron', monospace; font-size: 12px; letter-spacing: 2px; }

/* ==================== Footer ==================== */
.footer { position: relative; z-index: 2; margin-top: 80px; }
.footer-wave { color: var(--bg-secondary); margin-bottom: -1px; }
.footer-wave svg { width: 100%; height: auto; display: block; }
.footer-content { background: var(--bg-secondary); padding: 60px 0 32px; border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo-318 { font-size: 36px; }
.footer-company { font-size: 14px; color: var(--text-secondary); margin-top: 8px; }
.footer-slogan { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.footer-links h4, .footer-services h4, .footer-contact h4 {
    font-size: 14px; font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 1px;
}
.footer-links a, .footer-services span {
    display: block; font-size: 13px;
    color: var(--text-secondary);
    padding: 4px 0;
    transition: var(--transition);
}
.footer-links a:hover { color: var(--accent); }
.footer-contact p { font-size: 14px; color: var(--text-secondary); margin-bottom: 4px; }
.footer-tel { font-size: 20px !important; font-weight: 600; color: #fff !important; }
.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 24px;
    text-align: center;
    font-size: 12px; color: var(--text-muted);
    line-height: 2;
}

/* ==================== Back to Top ==================== */
.back-to-top {
    position: fixed; bottom: 32px; right: 32px;
    width: 48px; height: 48px;
    border-radius: 50%;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    color: #fff;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    z-index: 100;
    opacity: 0; visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { border-color: var(--accent); box-shadow: var(--glow-cyan); }
.back-to-top svg { width: 20px; height: 20px; }

/* ==================== AOS Animations ==================== */
[data-aos] {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
}
[data-aos="fade-up"] { transform: translateY(40px); }
[data-aos="fade-right"] { transform: translateX(-40px); }
[data-aos="fade-left"] { transform: translateX(40px); }
[data-aos="zoom-in"] { transform: scale(0.9); }
[data-aos].aos-animate { opacity: 1; transform: translate(0) scale(1); }

/* ==================== Responsive ==================== */
@media (max-width: 1024px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; padding: 36px 24px; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .mall-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed; top: 0; right: -100%;
        width: 280px; height: 100vh;
        background: rgba(10, 10, 20, 0.95);
        backdrop-filter: blur(30px);
        -webkit-backdrop-filter: blur(30px);
        flex-direction: column;
        padding: 100px 40px 40px;
        gap: 24px;
        transition: right var(--transition);
        border-left: 1px solid var(--border);
    }
    .nav-menu.active { right: 0; }
    .nav-hamburger { display: flex; }

    /* 移动端：二级菜单改为内联展开 */
    .nav-dropdown:hover .dropdown-menu { display: none; }
    .dropdown-menu {
        position: static; transform: none; opacity: 1; visibility: visible;
        box-shadow: none; background: transparent; border: none;
        padding: 4px 0 4px 16px; min-width: auto; display: none;
    }
    .nav-dropdown.open .dropdown-menu { display: block; }
    .dropdown-menu li a { padding: 8px 0; }

    .hero { min-height: 90vh; padding: 100px 20px 60px; }
    .about-grid { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .achievements-grid { grid-template-columns: 1fr; }
    .mall-grid { grid-template-columns: 1fr; }
    .practice-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); padding: 28px 16px; gap: 24px; }
    .stat-number { font-size: 30px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }

    .btn { padding: 12px 24px; font-size: 14px; }
    .glass-card { padding: 24px; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
    .stat-number { font-size: 26px; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .hero-scroll-indicator { display: none; }
}

/* ===== 轻提示 toast ===== */
.toast {
    position: fixed;
    top: 90px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px) scale(0.96);
    max-width: 90vw;
    padding: 16px 28px;
    background:
        linear-gradient(135deg, rgba(0, 229, 255, 0.18), rgba(124, 77, 255, 0.18)),
        rgba(22, 26, 52, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1.5px solid rgba(0, 229, 255, 0.6);
    border-radius: 14px;
    color: #f1f5f9;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.6;
    white-space: pre-line;
    text-align: center;
    letter-spacing: 0.2px;
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.6), 0 0 32px rgba(0, 229, 255, 0.35);
    opacity: 0;
    visibility: hidden;
    z-index: 10000;
    transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
    pointer-events: none;
}
.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0) scale(1);
}