:root {
    --primary: #2563eb;
    --secondary: #7c3aed;
    --tertiary: #06b6d4;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --bg-light: #f8fafc;
    --bg-card: #ffffff;
    --border-light: #e5e7eb;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { 
        opacity: 0; 
        transform: translateY(30px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

@keyframes pulseGlow {
    0%, 100% { 
        box-shadow: 0 0 20px rgba(37, 99, 235, 0.3); 
    }
    50% { 
        box-shadow: 0 0 30px rgba(37, 99, 235, 0.6); 
    }
}

.gradient-bg {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.glass-effect {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.service-card {
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.nav-link:hover {
    color: var(--primary);
    transition: color 0.2s ease;
}

.hero-bg {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('data:image/svg+xml,<svg xmlns="https://s.coze.cn/image/w-VaWgMYHJI/" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,192L48,181.3C96,171,192,149,288,149.3C384,149,480,171,576,181.3C672,192,768,192,864,181.3C960,171,1056,149,1152,138.7C1248,128,1344,128,1392,128L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-in-out;
}

.animate-slide-up {
    animation: slideUp 0.8s ease-out;
}

.animate-pulse-glow {
    animation: pulseGlow 2s infinite;
}

.text-primary {
    color: var(--primary) !important;
}

.bg-primary {
    background-color: var(--primary) !important;
}

.border-primary {
    border-color: var(--primary) !important;
}

.text-secondary {
    color: var(--text-secondary) !important;
}

.bg-light {
    background-color: var(--bg-light) !important;
}

.bg-white {
    background-color: var(--bg-card) !important;
}

.shadow-card {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.shadow-card-hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.rounded-2xl {
    border-radius: 1rem;
}

.rounded-3xl {
    border-radius: 1.5rem;
}

.h-16 {
    height: 4rem;
}

.h-48 {
    height: 12rem;
}

.h-80 {
    height: 20rem;
}

.w-16 {
    width: 4rem;
}

.w-48 {
    width: 12rem;
}

.space-y-2 > * + * {
    margin-top: 0.5rem;
}

.space-x-4 > * + * {
    margin-left: 1rem;
}

.space-x-8 > * + * {
    margin-left: 2rem;
}

.text-4xl {
    font-size: 2.25rem;
}

.text-5xl {
    font-size: 3rem;
}

.text-6xl {
    font-size: 3.75rem;
}

.leading-tight {
    line-height: 1.25;
}

.leading-relaxed {
    line-height: 1.625;
}

.bg-gradient-to-r {
    background-image: linear-gradient(to right, var(--tw-gradient-stops));
}

.from-primary {
    --tw-gradient-from: var(--primary);
    --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(37, 99, 235, 0));
}

.to-secondary {
    --tw-gradient-to: var(--secondary);
}

.text-transparent {
    color: transparent;
}

.bg-clip-text {
    -webkit-background-clip: text;
    background-clip: text;
}

.from-yellow-300 {
    --tw-gradient-from: #fde047;
    --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(253, 224, 71, 0));
}

.to-orange-300 {
    --tw-gradient-to: #fdba74;
}

.bg-blue-100 {
    background-color: #dbeafe;
}

.text-blue-600 {
    color: #2563eb;
}

.bg-green-100 {
    background-color: #d1fae5;
}

.text-green-600 {
    color: #059669;
}

.bg-purple-100 {
    background-color: #f3e8ff;
}

.text-purple-600 {
    color: #9333ea;
}

.bg-orange-100 {
    background-color: #ffedd5;
}

.text-orange-600 {
    color: #ea580c;
}

.bg-teal-100 {
    background-color: #ccfbf1;
}

.text-teal-600 {
    color: #0d9488;
}

.bg-pink-100 {
    background-color: #fce7f3;
}

.text-pink-600 {
    color: #db2777;
}

.text-blue-100 {
    color: #dbeafe;
}

.text-blue-200 {
    color: #bfdbfe;
}

.text-yellow-400 {
    color: #facc15;
}

.text-gray-400 {
    color: #9ca3af;
}

.bg-gray-900 {
    background-color: #111827;
}

.border-gray-800 {
    border-color: #1f2937;
}

.border-gray-200 {
    border-color: #e5e7eb;
}

.bg-opacity-10 {
    opacity: 0.1;
}

.bg-opacity-50 {
    opacity: 0.5;
}

.cursor-pointer {
    cursor: pointer;
}

.transition-colors {
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out;
}

.transition-all {
    transition: all 0.15s ease-in-out;
}

.duration-300 {
    transition-duration: 0.3s;
}

.hover\:bg-blue-600:hover {
    background-color: #2563eb !important;
}

.hover\:bg-gray-100:hover {
    background-color: #f3f4f6 !important;
}

.hover\:bg-white:hover {
    background-color: #ffffff !important;
}

.hover\:text-primary:hover {
    color: var(--primary) !important;
}

.hover\:text-blue-600:hover {
    color: #2563eb !important;
}

.hover\:text-white:hover {
    color: #ffffff !important;
}

.hover\:shadow-card-hover:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.focus\:outline-none:focus {
    outline: 0;
}

.focus\:ring-2:focus {
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.25);
}

.focus\:ring-primary:focus {
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.25);
}

.focus\:border-transparent:focus {
    border-color: transparent;
}

.hidden {
    display: none;
}
.nav-link {
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
}
#current-lang {
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 500;
}
.bg-blue-500 {
    background-color: #3b82f6;
}
.bg-red-100 {
    background-color: #fee2e2;
}
.text-red-600 {
    --tw-text-opacity: 1;
    color: rgb(220 38 38 / var(--tw-text-opacity, 1));
}

@media (max-width: 768px) {
    .hero-bg {
        background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
    }
}