/* ========================================
   灵柏科技 - 共享样式系统
   Lingbai Technology Shared Styles
   ======================================== */

/* === CSS Variables & Theme === */
:root {
    --font-cn: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Microsoft YaHei', sans-serif;
    --font-en: 'Space Grotesk', 'Noto Sans SC', sans-serif;
    --transition-theme: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-blur: blur(20px);
    --max-width: 1320px;
}

[data-theme="dark"] {
    --bg-primary: #0a0010;
    --bg-secondary: #120025;
    --bg-tertiary: #1a0035;
    --bg-card: rgba(20, 5, 50, 0.6);
    --bg-card-hover: rgba(30, 10, 70, 0.8);
    --bg-glass: rgba(20, 5, 50, 0.4);
    --bg-hero-gradient: linear-gradient(180deg, #0a0010 0%, #1a0535 30%, #0d001a 60%, #050010 100%);
    --bg-page-hero: linear-gradient(180deg, #0a0010 0%, #150030 50%, #0a0010 100%);
    --text-primary: #f0e6ff;
    --text-secondary: #b89fd4;
    --text-tertiary: #8b6faa;
    --text-accent: #c084fc;
    --accent-primary: #a855f7;
    --accent-secondary: #7c3aed;
    --accent-tertiary: #6d28d9;
    --accent-glow: rgba(168, 85, 247, 0.4);
    --accent-gradient: linear-gradient(135deg, #a855f7, #7c3aed, #6d28d9);
    --accent-gradient-2: linear-gradient(135deg, #c084fc, #a855f7, #7c3aed);
    --border-color: rgba(168, 85, 247, 0.15);
    --border-glow: rgba(168, 85, 247, 0.3);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 64px rgba(100, 50, 200, 0.2);
    --shadow-glow: 0 0 40px rgba(168, 85, 247, 0.15);
    --particle-color: rgba(168, 85, 247, 0.6);
    --particle-line: rgba(168, 85, 247, 0.15);
    --grid-color: rgba(168, 85, 247, 0.03);
    --scrollbar-bg: rgba(20, 5, 50, 0.5);
    --scrollbar-thumb: rgba(168, 85, 247, 0.3);
    --image-overlay: rgba(10, 0, 16, 0.7);
    --card-shine: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, transparent 50%);
    --tag-bg: rgba(168, 85, 247, 0.15);
    --success: #22c55e;
    --warning: #f59e0b;
    --info: #3b82f6;
}

[data-theme="light"] {
    --bg-primary: #f5f0ff;
    --bg-secondary: #ede5ff;
    --bg-tertiary: #e8dfff;
    --bg-card: rgba(255, 255, 255, 0.7);
    --bg-card-hover: rgba(255, 255, 255, 0.9);
    --bg-glass: rgba(255, 255, 255, 0.5);
    --bg-hero-gradient: linear-gradient(180deg, #f5f0ff 0%, #ede5ff 30%, #e0d5ff 60%, #f5f0ff 100%);
    --bg-page-hero: linear-gradient(180deg, #f5f0ff 0%, #ede5ff 50%, #f5f0ff 100%);
    --text-primary: #1a0535;
    --text-secondary: #4a2080;
    --text-tertiary: #7c5faa;
    --text-accent: #7c3aed;
    --accent-primary: #8b5cf6;
    --accent-secondary: #7c3aed;
    --accent-tertiary: #6d28d9;
    --accent-glow: rgba(139, 92, 246, 0.3);
    --accent-gradient: linear-gradient(135deg, #8b5cf6, #7c3aed, #6d28d9);
    --accent-gradient-2: linear-gradient(135deg, #a78bfa, #8b5cf6, #7c3aed);
    --border-color: rgba(139, 92, 246, 0.15);
    --border-glow: rgba(139, 92, 246, 0.25);
    --shadow-sm: 0 2px 8px rgba(100, 50, 200, 0.08);
    --shadow-md: 0 8px 32px rgba(100, 50, 200, 0.1);
    --shadow-lg: 0 16px 64px rgba(100, 50, 200, 0.12);
    --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.08);
    --particle-color: rgba(139, 92, 246, 0.3);
    --particle-line: rgba(139, 92, 246, 0.08);
    --grid-color: rgba(139, 92, 246, 0.04);
    --scrollbar-bg: rgba(200, 180, 240, 0.3);
    --scrollbar-thumb: rgba(139, 92, 246, 0.4);
    --image-overlay: rgba(245, 240, 255, 0.7);
    --card-shine: linear-gradient(135deg, rgba(255,255,255,0.6) 0%, transparent 50%);
    --tag-bg: rgba(139, 92, 246, 0.12);
    --success: #16a34a;
    --warning: #d97706;
    --info: #2563eb;
}

/* === Reset & Base === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scrollbar-width: thin; scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-bg); }
body {
    font-family: var(--font-cn);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    transition: background var(--transition-theme), color var(--transition-theme);
    -webkit-font-smoothing: antialiased;
}
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--scrollbar-bg); }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 4px; }
a { color: var(--accent-primary); text-decoration: none; transition: color 0.3s; }
a:hover { color: var(--text-accent); }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

.gradient-text {
    background: var(--accent-gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* === Particle Canvas === */
#particle-canvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    pointer-events: none;
}
#particle-canvas.active {
    pointer-events: auto;
    cursor: crosshair;
}

/* === Navigation === */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.4s ease;
}
.navbar.scrolled {
    padding: 10px 0;
    background: var(--bg-glass);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}
.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.35rem;
    color: var(--text-primary);
    z-index: 1001;
}
.logo-icon {
    width: 42px; height: 42px;
    background: var(--accent-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 900;
    color: #fff;
    box-shadow: 0 4px 16px var(--accent-glow);
    position: relative;
    overflow: hidden;
}
.logo-icon::after {
    content: '';
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: conic-gradient(transparent, rgba(255,255,255,0.2), transparent);
    animation: logo-spin 4s linear infinite;
}
@keyframes logo-spin { to { transform: rotate(360deg); } }
.logo-text { letter-spacing: 1px; }
.logo-sub { font-size: 0.7rem; font-weight: 400; color: var(--text-tertiary); letter-spacing: 2px; text-transform: uppercase; }
.logo-img {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    object-fit: contain;
    filter: brightness(1.1);
    transition: transform 0.3s, filter 0.3s;
}
.logo:hover .logo-img {
    transform: scale(1.08);
    filter: brightness(1.2);
}


.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}
.nav-links a {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
    white-space: nowrap;
}
.nav-links a:hover { color: var(--accent-primary); background: rgba(168, 85, 247, 0.08); }
.nav-links a.active { color: var(--accent-primary); background: rgba(168, 85, 247, 0.1); }
.nav-links .dropdown { position: relative; }
.nav-links .dropdown-menu {
    position: absolute;
    top: 100%; left: 0;
    min-width: 200px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 8px;
    backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all 0.3s;
}
.nav-links .dropdown:hover .dropdown-menu,
.nav-links .dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.nav-links .dropdown-menu a {
    display: block;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}
.nav-links .dropdown-toggle::after {
    content: '';
    display: inline-block;
    width: 0; height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    margin-left: 6px;
    vertical-align: middle;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1001;
}
.theme-toggle {
    width: 44px; height: 44px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-glass);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s;
    backdrop-filter: var(--glass-blur);
}
.theme-toggle:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
    transform: rotate(15deg);
}
.btn-consult {
    padding: 10px 24px;
    background: var(--accent-gradient);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-cn);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 16px var(--accent-glow);
}
.btn-consult:hover { transform: translateY(-2px); box-shadow: 0 8px 24px var(--accent-glow); }

/* Mobile Menu */
.menu-toggle {
    display: none;
    width: 44px; height: 44px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-glass);
    color: var(--text-secondary);
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    z-index: 1001;
}
.menu-toggle span {
    width: 20px; height: 2px;
    background: var(--text-secondary);
    border-radius: 1px;
    transition: all 0.3s;
}

/* === Page Hero (Sub-pages) === */
.page-hero {
    position: relative;
    min-height: 45vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--bg-page-hero);
    overflow: hidden;
    padding-top: 80px;
}
.page-hero::before {
    content: '';
    position: absolute;
    top: 20%; right: -10%;
    width: 500px; height: 500px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(80px);
    animation: float-blob 8s ease-in-out infinite;
    pointer-events: none;
}
.page-hero .hero-aurora {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    opacity: 0.25;
}
@keyframes float-blob {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(40px, -20px) scale(1.15); }
    50% { transform: translate(-15px, 35px) scale(0.9); }
    75% { transform: translate(25px, 15px) scale(1.05); }
}
@keyframes aurora-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
@keyframes pulse-ring {
    0% { transform: scale(1); opacity: 0.4; }
    100% { transform: scale(2.5); opacity: 0; }
}
@keyframes gradient-rotate {
    0% { filter: hue-rotate(0deg); }
    100% { filter: hue-rotate(360deg); }
}
.page-hero-content { position: relative; z-index: 2; }
.page-hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -1px;
}
.page-hero .breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-tertiary);
    margin-top: 16px;
}
.page-hero .breadcrumb a { color: var(--text-tertiary); }
.page-hero .breadcrumb a:hover { color: var(--accent-primary); }
.page-hero .breadcrumb .sep { opacity: 0.5; }

/* === Section Base === */
.section { padding: 100px 0; position: relative; z-index: 1; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    backdrop-filter: var(--glass-blur);
}
.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 16px;
}
.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto;
}

/* === Glass Card === */
.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}
.glass-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: var(--card-shine);
    pointer-events: none;
}
.glass-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* === Buttons === */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: var(--accent-gradient);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-cn);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 24px var(--accent-glow);
    position: relative;
    overflow: hidden;
}
.btn-primary::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;
}
.btn-primary:hover::before { left: 100%; }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 32px var(--accent-glow); }

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-cn);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    backdrop-filter: var(--glass-blur);
}
.btn-secondary:hover {
    border-color: var(--accent-primary);
    background: rgba(168, 85, 247, 0.08);
    transform: translateY(-3px);
}

/* === Footer === */
.site-footer {
    position: relative;
    z-index: 1;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 80px 0 32px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 60px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { color: var(--text-tertiary); font-size: 0.9rem; max-width: 280px; margin-bottom: 20px; }
.footer-social {
    display: flex;
    gap: 12px;
}
.footer-social a {
    width: 40px; height: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    font-size: 1.1rem;
    transition: all 0.3s;
}
.footer-social a:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: rgba(168, 85, 247, 0.1);
}
.footer-col h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--text-tertiary); font-size: 0.9rem; transition: color 0.3s; }
.footer-col a:hover { color: var(--accent-primary); }
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-tertiary);
    flex-wrap: nowrap;
    gap: 12px;
}

/* === Modal === */
.modal-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 40px;
    max-width: 480px;
    width: 90%;
    backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow-lg);
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s;
}
.modal-overlay.active .modal { transform: scale(1) translateY(0); }
.modal h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 8px; }
.modal p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 24px; }
.modal-close {
    position: absolute;
    top: 16px; right: 16px;
    width: 36px; height: 36px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-glass);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all 0.3s;
}
.modal-close:hover { border-color: var(--accent-primary); color: var(--accent-primary); }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 500; color: var(--text-secondary); margin-bottom: 6px; }
.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-cn);
    font-size: 0.9rem;
    outline: none;
    transition: all 0.3s;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group textarea { resize: vertical; min-height: 100px; }

/* === Back to Top === */
.back-to-top {
    position: fixed;
    bottom: 32px; right: 32px;
    width: 48px; height: 48px;
    border-radius: 14px;
    border: 1px solid var(--border-color);
    background: var(--bg-glass);
    color: var(--accent-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    z-index: 900;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s;
    backdrop-filter: var(--glass-blur);
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { border-color: var(--accent-primary); background: rgba(168,85,247,0.15); box-shadow: var(--shadow-glow); }

/* === Animations === */
@keyframes fade-up {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes scale-in {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}
@keyframes slide-left {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes slide-right {
    from { opacity: 0; transform: translateX(-40px); }
    to { opacity: 1; transform: translateX(0); }
}
.reveal { opacity: 0; transform: translateY(30px); transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-40px); transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1); }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(40px); transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1); }
.reveal-right.visible { opacity: 1; transform: translateX(0); }

/* === Floating Chat Widget === */
.chat-widget {
    position: fixed;
    bottom: 96px; right: 32px;
    z-index: 950;
}
.chat-btn {
    width: 56px; height: 56px;
    border-radius: 16px;
    border: none;
    background: var(--accent-gradient);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    box-shadow: 0 4px 24px var(--accent-glow);
    transition: all 0.3s;
    animation: chat-pulse 3s ease-in-out infinite;
}
@keyframes chat-pulse {
    0%, 100% { box-shadow: 0 4px 24px var(--accent-glow); }
    50% { box-shadow: 0 4px 40px var(--accent-glow), 0 0 60px rgba(168,85,247,0.2); }
}
.chat-btn:hover { transform: scale(1.1); }

/* === Grid Layouts === */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* === Image Styles === */
.img-cover { width: 100%; height: 100%; object-fit: cover; }
.img-overlay {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
}
.img-overlay::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, var(--image-overlay) 100%);
    pointer-events: none;
}

/* === Tags === */
.tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--tag-bg);
    border-radius: 50px;
    font-size: 0.78rem;
    color: var(--accent-primary);
    font-weight: 500;
}

/* === Counter Animation === */
.counter { font-family: var(--font-en); }

/* === Data Flow Decoration === */
.data-flow-line {
    position: absolute;
    width: 2px;
    height: 60px;
    background: linear-gradient(180deg, transparent, var(--accent-primary), transparent);
    opacity: 0.3;
    animation: data-flow 3s linear infinite;
}
@keyframes data-flow {
    0% { transform: translateY(-100%); opacity: 0; }
    50% { opacity: 0.3; }
    100% { transform: translateY(100%); opacity: 0; }
}

/* === Responsive === */
@media (max-width: 1024px) {
    .nav-links { display: none; }
    .menu-toggle { display: flex; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0; left: 0;
        width: 100%; height: 100%;
        background: var(--bg-primary);
        padding: 100px 24px 24px;
        gap: 8px;
        z-index: 999;
    }
    .nav-links.open a { font-size: 1.1rem; padding: 14px 20px; width: 100%; }
    .nav-links .dropdown-menu {
        position: static;
        opacity: 1; visibility: visible;
        transform: none;
        box-shadow: none;
        background: transparent;
        border: none;
        backdrop-filter: none;
        padding-left: 16px;
    }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .grid-3 { grid-template-columns: 1fr 1fr; }
    .grid-4 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .section { padding: 60px 0; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .page-hero { min-height: 35vh; }
    .btn-consult { padding: 8px 16px; font-size: 0.8rem; }
}