/* ========================================
   闁烩晜蓱椤墎绮旈幋鐐参?闁?Frontend Design System
   ======================================== */

/* === CSS Custom Properties === */
:root {
    --pc-color-primary: #1a2b5f;
    --pc-color-primary-dark: #111d42;
    --pc-color-primary-light: #243872;
    --pc-color-accent: #3b82f6;
    --pc-color-accent-dark: #2563eb;
    --pc-color-bg: #F5F5F7;
    --pc-color-surface: #FFFFFF;
    --pc-color-text-primary: #1D2939;
    --pc-color-text-secondary: #667085;
    --pc-color-text-tertiary: #98A2B3;
    --pc-color-border: #E5E7EB;
    --pc-color-border-light: #F2F4F7;
    --pc-font-sans: 'Noto Sans SC', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --pc-gradient-accent: linear-gradient(135deg, var(--pc-color-accent), var(--pc-color-accent-dark));
    --pc-gradient-primary: linear-gradient(135deg, var(--pc-color-primary) 0%, var(--pc-color-primary-light) 50%, var(--pc-color-primary) 100%);
    --pc-radius-sm: 0.375rem;
    --pc-radius-md: 0.5rem;
    --pc-radius-lg: 0.75rem;
    --pc-radius-xl: 1rem;
    --pc-radius-2xl: 1.25rem;
    --pc-radius-full: 9999px;
    --pc-shadow-card: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.06);
    --pc-shadow-card-hover: 0 8px 30px rgba(0,0,0,0.1), 0 2px 8px rgba(0,0,0,0.06);
    --pc-shadow-glow: 0 0 30px rgba(59,130,246,0.25);
}

/* === Reset === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--pc-font-sans); background: var(--pc-color-bg); color: var(--pc-color-text-primary); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* === Tailwind-like Utility Classes === */

/* Typography */
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
.text-5xl { font-size: 3rem; line-height: 1; }

/* Font Weight */
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

/* Text Colors */
.text-white { color: #fff; }
.text-white\/30 { color: rgba(255,255,255,0.3); }
.text-white\/40 { color: rgba(255,255,255,0.4); }
.text-white\/60 { color: rgba(255,255,255,0.6); }
.text-white\/70 { color: rgba(255,255,255,0.7); }
.text-gray-400 { color: #9CA3AF; }
.text-gray-500 { color: #6B7280; }
.text-gray-600 { color: #4B5563; }

/* Text Align */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Background */
.bg-white { background-color: #fff; }
.bg-gray-50 { background-color: #F9FAFB; }

/* Truncate */
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* === Layout === */
.container { width: 100%; max-width: 80rem; margin-left: auto; margin-right: auto; padding-left: 1.5rem; padding-right: 1.5rem; }
.max-w-xl { max-width: 36rem; }
.max-w-none { max-width: none; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-5xl { max-width: 64rem; }
.max-w-7xl { max-width: 80rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Spacing */
.p-0 { padding: 0; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.p-10 { padding: 2.5rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-5 { padding-left: 1.25rem; padding-right: 1.25rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.px-10 { padding-left: 2.5rem; padding-right: 2.5rem; }

.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.pt-4 { padding-top: 1rem; }
.pt-8 { padding-top: 2rem; }
.pb-4 { padding-bottom: 1rem; }
.pb-8 { padding-bottom: 2rem; }

/* Margin */
.m-0 { margin: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-10 { margin-top: 2.5rem; }
.mt-12 { margin-top: 3rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-1\.5 { margin-bottom: 0.375rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.25rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-10 { margin-bottom: 2.5rem; }
.mb-12 { margin-bottom: 3rem; }
.mb-16 { margin-bottom: 4rem; }
.mr-1 { margin-right: 0.25rem; }
.mr-2 { margin-right: 0.5rem; }
.mr-3 { margin-right: 0.75rem; }
.ml-auto { margin-left: auto; }
.me-2 { margin-right: 0.5rem; }
.ms-2 { margin-left: 0.5rem; }

/* Flexbox */
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.flex-1 { flex: 1 1 0%; }
.flex-shrink-0 { flex-shrink: 0; }
.shrink-0 { flex-shrink: 0; }
.flex-grow { flex-grow: 1; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-5 { gap: 1.25rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-10 { gap: 2.5rem; }
.gap-12 { gap: 3rem; }

/* Grid */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }

@media (min-width: 768px) {
    .md\:flex { display: flex !important; }
    .md\:flex-row { flex-direction: row; }
    .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .md\:hidden { display: none !important; }
    .md\:inline-flex { display: inline-flex !important; }
    .md\:text-5xl { font-size: 3rem; line-height: 1; }
    .md\:col-span-1 { grid-column: span 1 / span 1; }
    .md\:col-span-2 { grid-column: span 2 / span 2; }
    .md\:col-span-3 { grid-column: span 3 / span 3; }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .lg\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
    .lg\:col-span-2 { grid-column: span 2 / span 2; }
    .lg\:col-span-3 { grid-column: span 3 / span 3; }
}

/* Display */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.inline-flex { display: inline-flex; }
.overflow-hidden { overflow: hidden; }
.overflow-x-auto { overflow-x: auto; }

/* === Border & Radius === */
.border { border: 1px solid var(--pc-color-border); }
.border-b { border-bottom: 1px solid var(--pc-color-border); }
.border-t { border-top: 1px solid var(--pc-color-border); }
.border-r { border-right: 1px solid var(--pc-color-border); }
.border-gray-200 { border-color: #E5E7EB; }
.border-white\/10 { border-color: rgba(255,255,255,0.1); }
.rounded { border-radius: 0.25rem; }
.rounded-md { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-3xl { border-radius: 1.5rem; }
.rounded-full { border-radius: 9999px; }

/* === Sizing === */
.w-full { width: 100%; }
.w-6 { width: 1.5rem; }
.w-10 { width: 2.5rem; }
.w-12 { width: 3rem; }
.w-14 { width: 3.5rem; }
.w-16 { width: 4rem; }
.w-20 { width: 5rem; }
.w-24 { width: 6rem; }
.h-full { height: 100%; }
.h-4 { height: 1rem; }
.h-5 { height: 1.25rem; }
.h-6 { height: 1.5rem; }
.h-10 { height: 2.5rem; }
.h-12 { height: 3rem; }
.h-14 { height: 3.5rem; }
.h-16 { height: 4rem; }
.h-48 { height: 12rem; }
.min-h-screen { min-height: 100vh; }
.max-h-screen { max-height: 100vh; }

/* === Position === */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }
.top-0 { top: 0; }
.z-10 { z-index: 10; }
.z-50 { z-index: 50; }

/* === Effects === */
.shadow-sm { box-shadow: 0 1px 2px 0 rgba(0,0,0,0.05); }
.shadow { box-shadow: 0 1px 3px 0 rgba(0,0,0,0.1), 0 1px 2px -1px rgba(0,0,0,0.1); }
.shadow-md { box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1); }
.no-underline { text-decoration: none; }

/* === Transition === */
.transition-all { transition: all 0.3s ease; }
.transition-colors { transition: color 0.15s ease; }
.duration-200 { transition-duration: 200ms; }
.duration-300 { transition-duration: 300ms; }

/* Hover States */
.hover\:shadow-lg:hover { box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1); }
.hover\:text-white:hover { color: #fff; }
.hover\:text-white\/60:hover { color: rgba(255,255,255,0.6); }
.hover:\-translate-y-1:hover { transform: translateY(-0.25rem); }

/* Focus States */
.focus\:outline-none:focus { outline: none; }
.focus\:border-orange-400:focus { border-color: var(--pc-color-accent); }

/* === Brand Components === */
.hero-gradient { background: linear-gradient(135deg, var(--pc-color-primary) 0%, var(--pc-color-primary-light) 50%, var(--pc-color-primary) 100%); }
.card-shadow { box-shadow: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.1); }
.card-shadow-lg { box-shadow: 0 10px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.05); }
.accent-gradient { background: linear-gradient(135deg, var(--pc-color-accent), var(--pc-color-accent-dark)); }
.accent-gradient-text { background: linear-gradient(135deg, var(--pc-color-accent), var(--pc-color-accent-dark)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.btn-accent {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 10px 24px; border-radius: 9999px; font-size: 14px; font-weight: 500;
    color: #fff; transition: all 0.3s ease; cursor: pointer; border: none;
    background: linear-gradient(135deg, var(--pc-color-accent), var(--pc-color-accent-dark));
}
.btn-accent:hover { box-shadow: 0 4px 15px rgba(59,130,246,0.4); transform: translateY(-1px); }
.btn-accent.btn-lg { padding: 14px 36px; font-size: 16px; font-weight: 600; letter-spacing: 0.02em; }

.btn-outline {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 10px 24px; border-radius: 9999px; font-size: 14px; font-weight: 500;
    color: var(--pc-color-accent); transition: all 0.3s ease;
    border: 1px solid rgba(59,130,246,0.3); background: transparent;
}
.btn-outline:hover { background: rgba(59,130,246,0.1); border-color: rgba(59,130,246,0.5); }
.btn-outline.btn-lg { padding: 14px 36px; font-size: 16px; font-weight: 600; }

.btn-sm {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 8px 20px; border-radius: 9999px; font-size: 13px; font-weight: 500;
    color: #fff; background: var(--pc-gradient-accent); border: none;
    transition: all 0.3s ease; cursor: pointer;
}
.btn-sm:hover { box-shadow: 0 4px 12px rgba(59,130,246,0.4); transform: translateY(-1px); }

.btn-secondary {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 8px 20px; border-radius: 8px; font-size: 13px; font-weight: 500;
    border: 1px solid var(--pc-color-border); background: #fff; color: var(--pc-color-text-primary);
    transition: all 0.2s;
}
.btn-secondary:hover { border-color: var(--pc-color-accent); color: var(--pc-color-accent); }

.section-padding { padding: 80px 0; }

.page-banner {
    background: linear-gradient(135deg, var(--pc-color-primary) 0%, var(--pc-color-primary-light) 100%);
    padding: 60px 0 40px;
}
.page-banner h1 { color: #fff; font-size: 2rem; font-weight: 700; margin-bottom: 8px; }
.page-banner p { color: rgba(255,255,255,0.6); font-size: 0.875rem; }

/* Prose (Markdown content) */
.prose { max-width: 65ch; line-height: 1.75; color: var(--pc-color-text-primary); }
.prose h1, .prose h2, .prose h3, .prose h4 { font-weight: 700; margin-top: 1.5em; margin-bottom: 0.5em; line-height: 1.3; }
.prose h1 { font-size: 1.75rem; }
.prose h2 { font-size: 1.5rem; }
.prose h3 { font-size: 1.25rem; }
.prose p { margin-bottom: 1em; }
.prose ul, .prose ol { padding-left: 1.5em; margin-bottom: 1em; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin-bottom: 0.25em; }
.prose a { color: var(--pc-color-accent); text-decoration: underline; }
.prose a:hover { color: var(--pc-color-accent-dark); }
.prose img { border-radius: 8px; margin: 1em 0; }
.prose code { background: #f3f4f6; padding: 2px 6px; border-radius: 4px; font-size: 0.875em; }
.prose pre { background: #1e1e2e; color: #cdd6f4; padding: 1rem; border-radius: 8px; overflow-x: auto; margin: 1em 0; }
.prose pre code { background: none; padding: 0; color: inherit; }
.prose blockquote { border-left: 4px solid var(--pc-color-accent); padding-left: 1em; margin: 1em 0; color: var(--pc-color-text-secondary); font-style: italic; }
.prose table { width: 100%; border-collapse: collapse; margin: 1em 0; }
.prose th, .prose td { border: 1px solid var(--pc-color-border); padding: 0.5em 0.75em; text-align: left; }
.prose th { background: #f9fafb; font-weight: 600; }

/* FAQ */
.faq-item { border: 1px solid #E5E7EB; border-radius: 12px; margin-bottom: 12px; overflow: hidden; }
.faq-item-header { padding: 16px 20px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-weight: 500; }
.faq-item-body { padding: 0 20px 16px; color: #667085; font-size: 0.875rem; line-height: 1.8; }

/* Pagination */
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 32px; flex-wrap: wrap; }
.pagination a, .pagination span {
    display: inline-flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; border-radius: 8px; font-size: 14px;
    transition: all 0.2s;
}
.pagination a { color: #667085; border: 1px solid #E5E7EB; }
.pagination a:hover { color: var(--pc-color-accent); border-color: var(--pc-color-accent); }
.pagination span.active { color: #fff; background: linear-gradient(135deg, var(--pc-color-accent), var(--pc-color-accent-dark)); border: 1px solid transparent; }
.pagination span.disabled { color: #D0D5DD; border: 1px solid #E5E7EB; pointer-events: none; }

/* Animation */
.fade-in { animation: fadeIn 0.6s ease-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* Leading */
.leading-tight { line-height: 1.25; }
.leading-relaxed { line-height: 1.75; }
.leading-none { line-height: 1; }

/* Resize */
.resize-none { resize: none; }

/* Whitespace */
.whitespace-nowrap { white-space: nowrap; }

/* Responsive */
@media (max-width: 768px) {
    .section-padding { padding: 48px 0; }
    .page-banner { padding: 40px 0 24px; }
    .page-banner h1 { font-size: 1.5rem; }
    .md\:flex-col { flex-direction: column; }
}

/* Line clamp */
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* Cursor */
.cursor-pointer { cursor: pointer; }

/* Space-y */
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-5 > * + * { margin-top: 1.25rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }

/* Aspect ratio */
.aspect-video { aspect-ratio: 16 / 9; }
.aspect-square { aspect-ratio: 1 / 1; }
.object-cover { object-fit: cover; }

/* Opacity */
.opacity-75 { opacity: 0.75; }

/* Col-span */
.col-span-1 { grid-column: span 1 / span 1; }
.col-span-2 { grid-column: span 2 / span 2; }
.col-span-3 { grid-column: span 3 / span 3; }
.col-span-4 { grid-column: span 4 / span 4; }

/* SVG icon styling */
.icon-svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* ========================================
   Enhanced Homepage Styles
   ======================================== */

/* === Keyframe Animations === */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}

@keyframes fade-in-up {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes particle-drift {
    0% { transform: translate(0, 0) scale(1); opacity: 0.6; }
    25% { transform: translate(30px, -40px) scale(1.2); opacity: 1; }
    50% { transform: translate(-20px, -80px) scale(0.8); opacity: 0.4; }
    75% { transform: translate(40px, -50px) scale(1.1); opacity: 0.8; }
    100% { transform: translate(0, 0) scale(1); opacity: 0.6; }
}

@keyframes counter-glow {
    0%, 100% { text-shadow: 0 0 10px rgba(59,130,246,0.3); }
    50% { text-shadow: 0 0 25px rgba(59,130,246,0.5); }
}

/* === Floating Orbs === */
.floating-orb {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    animation: float 8s ease-in-out infinite;
    z-index: 0;
}
.floating-orb:nth-child(2) {
    animation-delay: -3s;
    animation-duration: 10s;
}

/* === Gradient Text === */
.gradient-text {
    background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 50%, #60a5fa 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 4s linear infinite;
}

/* === Section Common === */
.section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}
.section-dark {
    background: var(--pc-color-primary);
    color: #fff;
}
.section-dark .section-tag {
    background: rgba(59,130,246,0.2);
    color: #60a5fa;
}
.section-dark .section-title {
    color: #fff;
}
.section-dark .section-desc {
    color: rgba(255,255,255,0.6);
}

/* === Section Tag === */
.section-tag {
    display: inline-block;
    padding: 6px 18px;
    border-radius: 9999px;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    background: rgba(59,130,246,0.1);
    color: var(--pc-color-accent);
    margin-bottom: 16px;
    animation: fade-in-up 0.6s ease-out;
}

/* === Section Title & Desc === */
.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--pc-color-text-primary);
    margin-bottom: 12px;
    line-height: 1.3;
    animation: fade-in-up 0.6s ease-out 0.1s both;
}
.section-desc {
    font-size: 1.0625rem;
    color: var(--pc-color-text-secondary);
    max-width: 600px;
    margin: 0 auto 60px;
    line-height: 1.7;
    animation: fade-in-up 0.6s ease-out 0.2s both;
}

/* === Header === */
.pc-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(26,43,95,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    padding: 0 1.5rem;
    transition: all 0.3s ease;
}
.pc-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: 80rem;
    margin-left: auto;
    margin-right: auto;
    color: #fff;
}
.pc-header .brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: #fff;
}
.pc-header .brand-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
    background: var(--pc-gradient-accent);
    box-shadow: 0 4px 12px rgba(59,130,246,0.3);
}
.pc-header .brand-text {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}
/* Logo in dark header */
.pc-header .brand-logo {
    height: 71px;
    width: 247px;
    object-fit: contain;
    transition: opacity 0.2s ease;
}
.pc-header .brand-logo:hover {
    opacity: 0.9;
}
/* Logo in footer */
.brand-logo-footer {
    height: 72px;
    width: auto;
    object-fit: contain;
    opacity: 0.85;
}
.pc-header nav a {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.7);
    transition: color 0.2s ease;
    padding: 8px 16px;
    border-radius: 8px;
}
.pc-header nav a:hover {
    color: #fff;
    background: rgba(255,255,255,0.06);
}
/* Current page active state */
.pc-header nav a.nav-active,
.pc-header nav a.nav-active:hover {
    color: #fff;
    font-weight: 600;
    background: rgba(59,130,246,0.15);
    position: relative;
}
.pc-header nav a.nav-active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--pc-color-accent);
    border-radius: 1px;
}
.pc-header .btn-accent {
    padding: 8px 22px;
    font-size: 0.875rem;
}

/* === Featured nav items: AI闁哄倽顫夐、?/ 闁绘せ鏅炴禒鍫㈢磾?=== */
.pc-header nav a.nav-feature {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: 9999px;
    font-weight: 600;
    color: #fff;
    border: 1px solid transparent;
    line-height: 1;
}
.pc-header nav a.nav-feature svg { width: 15px; height: 15px; flex-shrink: 0; }
.pc-header nav a.nav-feature .nav-tag {
    font-size: 0.625rem;
    line-height: 1;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 9999px;
    letter-spacing: 0.02em;
}
/* AI 闁?blue/violet */
.pc-header nav a.nav-feature--ai {
    background: linear-gradient(135deg, rgba(59,130,246,0.30), rgba(139,92,246,0.26));
    border-color: rgba(139,92,246,0.45);
    box-shadow: 0 2px 10px rgba(99,102,241,0.25);
}
.pc-header nav a.nav-feature--ai:hover {
    background: linear-gradient(135deg, rgba(59,130,246,0.45), rgba(139,92,246,0.40));
    border-color: rgba(139,92,246,0.65);
    box-shadow: 0 4px 16px rgba(99,102,241,0.40);
    transform: translateY(-1px);
    color: #fff;
}
.pc-header nav a.nav-feature--ai svg { color: #c7d2fe; }
.pc-header nav a.nav-feature--ai .nav-tag { background: #ef4444; color: #fff; }
/* IoT 闁?emerald/cyan */
.pc-header nav a.nav-feature--iot {
    background: linear-gradient(135deg, rgba(16,185,129,0.28), rgba(6,182,212,0.24));
    border-color: rgba(45,212,191,0.45);
    box-shadow: 0 2px 10px rgba(16,185,129,0.22);
}
.pc-header nav a.nav-feature--iot:hover {
    background: linear-gradient(135deg, rgba(16,185,129,0.42), rgba(6,182,212,0.36));
    border-color: rgba(45,212,191,0.65);
    box-shadow: 0 4px 16px rgba(16,185,129,0.38);
    transform: translateY(-1px);
    color: #fff;
}
.pc-header nav a.nav-feature--iot svg { color: #99f6e4; }
.pc-header nav a.nav-feature--iot .nav-tag { background: #f59e0b; color: #fff; }
/* suppress the underline + keep a filled look when active */
.pc-header nav a.nav-feature.nav-active::after { display: none; }
.pc-header nav a.nav-feature.nav-active {
    background: rgba(59,130,246,0.22);
    color: #fff;
}

/* Mobile menu featured items */
#mobile-menu a.nav-feature-m {
    display: flex;
    align-items: center;
    gap: 8px;
    border-radius: 8px;
    font-weight: 600;
    color: #fff;
    border: 1px solid transparent;
    line-height: 1.4;
}
#mobile-menu a.nav-feature-m svg { width: 16px; height: 16px; flex-shrink: 0; }
#mobile-menu a.nav-feature-m .nav-tag {
    font-size: 0.625rem; line-height: 1; font-weight: 700;
    padding: 2px 6px; border-radius: 9999px;
}
#mobile-menu a.nav-feature-m--ai { background: linear-gradient(135deg, rgba(59,130,246,0.25), rgba(139,92,246,0.20)); border-color: rgba(139,92,246,0.4); }
#mobile-menu a.nav-feature-m--ai svg { color: #c7d2fe; }
#mobile-menu a.nav-feature-m--ai .nav-tag { background: #ef4444; color: #fff; }
#mobile-menu a.nav-feature-m--iot { background: linear-gradient(135deg, rgba(16,185,129,0.22), rgba(6,182,212,0.18)); border-color: rgba(45,212,191,0.4); }
#mobile-menu a.nav-feature-m--iot svg { color: #99f6e4; }
#mobile-menu a.nav-feature-m--iot .nav-tag { background: #f59e0b; color: #fff; }

/* === Hero === */
.hero {
    position: relative;
    min-height: 640px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--pc-color-primary);
}
.hero .hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero .hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(26,43,95,0.92) 0%,
        rgba(17,29,66,0.85) 40%,
        rgba(36,56,114,0.8) 70%,
        rgba(26,43,95,0.9) 100%
    );
    z-index: 1;
}
.hero-content {
    position: relative;
    z-index: 2;
    max-width: 680px;
    padding: 100px 1.5rem 80px;
    animation: fade-in-up 0.8s ease-out;
    color: rgba(255, 255, 255, 0.9);
}
.hero-tag {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 9999px;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    background: rgba(59,130,246,0.15);
    border: 1px solid rgba(59,130,246,0.25);
    color: #60a5fa;
    margin-bottom: 28px;
    backdrop-filter: blur(10px);
}
.hero-title {
    font-size: 3.25rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    font-family: 'Noto Sans SC', 'Inter', sans-serif;
}
.hero-title .gradient-text {
    background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 50%, #f472b6 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 4s linear infinite;
}
.hero-desc {
    font-size: 1.125rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 580px;
}
.hero-slogan {
    font-size: 1.375rem;
    font-weight: 600;
    margin: 0 auto 24px;
    letter-spacing: 4px;
    color: #fff;
    mix-blend-mode: difference;
    font-family: 'Noto Sans SC', 'Inter', sans-serif;
}
.hero-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.hero-btns .btn-accent.btn-lg {
    box-shadow: 0 8px 25px rgba(59,130,246,0.35);
}
.hero-btns .btn-accent.btn-lg:hover {
    box-shadow: 0 12px 35px rgba(59,130,246,0.5);
    transform: translateY(-2px);
}
.hero-btns .btn-outline.btn-lg {
    color: #fff;
    border-color: rgba(255,255,255,0.25);
}
.hero-btns .btn-outline.btn-lg:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.4);
    color: #fff;
}

/* Hero particle dots */
.hero::before,
.hero::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(96,165,250,0.5);
    border-radius: 50%;
    z-index: 1;
    pointer-events: none;
    animation: particle-drift 12s ease-in-out infinite;
}
.hero::before { top: 30%; right: 15%; animation-delay: 0s; }
.hero::after { top: 60%; right: 25%; animation-delay: -4s; width: 6px; height: 6px; background: rgba(167,139,250,0.4); }

/* === Stats Bar === */
.stats-bar {
    position: relative;
    background: #fff;
    padding: 60px 0;
    z-index: 5;
    margin-top: -40px;
    border-radius: 24px 24px 0 0;
    box-shadow: 0 -10px 40px rgba(0,0,0,0.05);
}
.stats-bar::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59,130,246,0.2), transparent);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}
.stat-item {
    text-align: center;
    padding: 20px;
    position: relative;
}
.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 20%;
    height: 60%;
    width: 1px;
    background: linear-gradient(180deg, transparent, rgba(59,130,246,0.15), transparent);
}
.stat-num {
    font-size: 2.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--pc-color-accent), var(--pc-color-accent-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
    margin-bottom: 8px;
    animation: counter-glow 3s ease-in-out infinite;
}
.stat-label {
    font-size: 0.9375rem;
    color: var(--pc-color-text-secondary);
    font-weight: 500;
}

/* === Service Cards === */
.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.service-card {
    background: #fff;
    border-radius: 20px;
    padding: 36px 28px 32px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 1px solid rgba(0,0,0,0.04);
    box-shadow: var(--pc-shadow-card);
    position: relative;
    overflow: hidden;
    animation: fade-in-up 0.6s ease-out both;
}
.service-card:nth-child(1) { animation-delay: 0.05s; }
.service-card:nth-child(2) { animation-delay: 0.1s; }
.service-card:nth-child(3) { animation-delay: 0.15s; }
.service-card:nth-child(4) { animation-delay: 0.2s; }
.service-card:nth-child(5) { animation-delay: 0.25s; }
.service-card:nth-child(6) { animation-delay: 0.3s; }
.service-card:nth-child(7) { animation-delay: 0.35s; }
.service-card:nth-child(8) { animation-delay: 0.4s; }

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--pc-gradient-accent);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--pc-shadow-card-hover), var(--pc-shadow-glow);
    border-color: rgba(59,130,246,0.1);
}
.service-card:hover::before {
    opacity: 1;
}
.service-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    border-radius: 18px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(59,130,246,0.08), rgba(139,92,246,0.08));
    padding: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(59,130,246,0.08);
}
.service-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
}
.service-card:hover .service-icon {
    transform: scale(1.08);
    box-shadow: 0 8px 20px rgba(59,130,246,0.15);
}
.service-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--pc-color-text-primary);
}
.service-card p {
    font-size: 0.875rem;
    color: var(--pc-color-text-secondary);
    line-height: 1.65;
}

/* === Case Cards === */
.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.case-card {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--pc-shadow-card);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    animation: fade-in-up 0.6s ease-out both;
    border: 1px solid rgba(0,0,0,0.04);
}
.case-card:nth-child(1) { animation-delay: 0.05s; }
.case-card:nth-child(2) { animation-delay: 0.1s; }
.case-card:nth-child(3) { animation-delay: 0.15s; }

.case-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--pc-shadow-card-hover);
}
.case-cover {
    position: relative;
    height: 220px;
    overflow: hidden;
}
.case-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.case-card:hover .case-cover img {
    transform: scale(1.08);
}
.case-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        transparent 40%,
        rgba(26,43,95,0.7) 100%
    );
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 24px;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.case-card:hover .case-overlay {
    opacity: 1;
}
.case-info {
    padding: 24px 24px 28px;
}
.case-info h3 {
    font-size: 1.0625rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--pc-color-text-primary);
    line-height: 1.4;
}
.case-info p {
    font-size: 0.875rem;
    color: var(--pc-color-text-secondary);
    line-height: 1.6;
}

/* === News Cards === */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.news-card {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--pc-shadow-card);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    animation: fade-in-up 0.6s ease-out both;
    border: 1px solid rgba(0,0,0,0.04);
}
.news-card:nth-child(1) { animation-delay: 0.05s; }
.news-card:nth-child(2) { animation-delay: 0.1s; }
.news-card:nth-child(3) { animation-delay: 0.15s; }

.news-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--pc-shadow-card-hover);
}
.news-cover {
    height: 200px;
    overflow: hidden;
    position: relative;
}
.news-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.news-card:hover .news-cover img {
    transform: scale(1.06);
}
.news-cover::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(transparent, rgba(0,0,0,0.04));
    pointer-events: none;
}
.news-info {
    padding: 24px;
}
.news-info h3 {
    font-size: 1.0625rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--pc-color-text-primary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-info p {
    font-size: 0.875rem;
    color: var(--pc-color-text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-info a {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--pc-color-accent);
    transition: all 0.2s ease;
}
.news-info a:hover {
    color: var(--pc-color-accent-dark);
    gap: 4px;
}

/* === CTA Section === */
.cta-section {
    position: relative;
    padding: 100px 0;
    background: var(--pc-gradient-primary);
    text-align: center;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(59,130,246,0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(139,92,246,0.1) 0%, transparent 50%);
    z-index: 0;
}
.cta-section h2 {
    position: relative;
    z-index: 1;
    font-size: 2.25rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
}
.cta-section p {
    position: relative;
    z-index: 1;
    font-size: 1.0625rem;
    color: rgba(255,255,255,0.6);
    max-width: 540px;
    margin: 0 auto 36px;
    line-height: 1.7;
}
.cta-section .btn-accent.btn-lg {
    position: relative;
    z-index: 1;
    box-shadow: 0 8px 30px rgba(59,130,246,0.4);
}
.cta-section .btn-accent.btn-lg:hover {
    box-shadow: 0 12px 40px rgba(59,130,246,0.55);
    transform: translateY(-3px);
}

/* === Page Hero (sub-pages) === */
.page-hero {
    position: relative;
    padding: 80px 0 60px;
    background: var(--pc-color-primary);
    overflow: hidden;
}
.page-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(26,43,95,0.95) 0%,
        rgba(17,29,66,0.9) 50%,
        rgba(36,56,114,0.85) 100%
    );
    z-index: 1;
}
.page-hero .container {
    position: relative;
    z-index: 2;
    text-align: center;
    animation: fade-in-up 0.8s ease-out;
}
.page-hero .hero-tag {
    margin-bottom: 20px;
}
.page-hero-title {
    font-size: 2.25rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.3;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}
.page-hero-desc {
    font-size: 1.0625rem;
    color: rgba(255,255,255,0.6);
    max-width: 540px;
    margin: 0 auto;
    line-height: 1.7;
}

/* === Step Number === */
.step-num {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

/* === Form Input === */
.form-input {
    width: 100%;
    padding: 10px 16px;
    border-radius: 12px;
    border: 1px solid var(--pc-color-border);
    font-size: 0.875rem;
    transition: all 0.2s ease;
    background: #fff;
    color: var(--pc-color-text-primary);
    outline: none;
}
.form-input:focus {
    border-color: var(--pc-color-accent);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}
.form-input::placeholder {
    color: var(--pc-color-text-tertiary);
}

/* === Process Timeline === */
.process-timeline {
    display: flex;
    gap: 0;
    margin-top: 48px;
    position: relative;
}
.process-timeline::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--pc-color-accent), #a78bfa, #06b6d4, #10b981, #f59e0b);
    border-radius: 1px;
}
.process-step {
    flex: 1;
    text-align: center;
    position: relative;
    padding: 0 8px;
}
.process-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--pc-color-accent), var(--pc-color-accent-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 16px rgba(59,130,246,0.3);
}
.process-num {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--pc-color-accent);
    margin-bottom: 8px;
}
.process-step h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--pc-color-text-primary);
}
.process-step p {
    font-size: 0.8125rem;
    color: var(--pc-color-text-secondary);
    line-height: 1.6;
    max-width: 220px;
    margin: 0 auto;
}

/* === Tech Card === */
.tech-card {
    background: #fff;
    border-radius: 16px;
    padding: 28px 24px;
    border: 1px solid var(--pc-color-border);
    transition: all 0.3s ease;
}
.tech-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.08);
    border-color: rgba(59,130,246,0.2);
}
.tech-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}
.tech-card-icon svg {
    width: 24px;
    height: 24px;
}
.tech-card h3 {
    font-size: 1.0625rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--pc-color-text-primary);
}
.tech-card p {
    color: var(--pc-color-text-secondary);
    font-size: 0.875rem;
    line-height: 1.7;
}

/* === Hero Trust Bar === */
.hero-trust-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 32px;
    padding: 12px 24px;
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(12px);
    border-radius: 9999px;
    border: 1px solid rgba(255,255,255,0.1);
    width: fit-content;
    max-width: 100%;
    overflow-x: auto;
}
.hero-trust-item {
    font-size: 0.8125rem;
    font-weight: 600;
    color: rgba(255,255,255,0.8);
    letter-spacing: 0.04em;
    white-space: nowrap;
}
.hero-trust-divider {
    width: 1px;
    height: 14px;
    background: rgba(255,255,255,0.2);
    flex-shrink: 0;
}

/* === Industry Solution Cards === */
.industry-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.industry-card {
    background: var(--pc-color-bg);
    border-radius: 20px;
    padding: 32px 28px;
    border: 1px solid var(--pc-color-border);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: block;
    text-decoration: none;
    color: inherit;
    position: relative;
    overflow: hidden;
}
.industry-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.industry-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.08);
    border-color: transparent;
}
.industry-card:hover::before {
    opacity: 1;
}
.industry-card:nth-child(1)::before { background: linear-gradient(90deg, #3b82f6, #1d4ed8); }
.industry-card:nth-child(2)::before { background: linear-gradient(90deg, #8b5cf6, #6d28d9); }
.industry-card:nth-child(3)::before { background: linear-gradient(90deg, #06b6d4, #0891b2); }
.industry-card:nth-child(4)::before { background: linear-gradient(90deg, #10b981, #059669); }
.industry-card:nth-child(5)::before { background: linear-gradient(90deg, #f59e0b, #d97706); }
.industry-card:nth-child(6)::before { background: linear-gradient(90deg, #ef4444, #dc2626); }

.industry-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}
.industry-icon svg {
    width: 26px;
    height: 26px;
}
.industry-card:hover .industry-icon {
    transform: scale(1.08);
}
.industry-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--pc-color-text-primary);
}
.industry-card p {
    font-size: 0.875rem;
    color: var(--pc-color-text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}
.industry-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.industry-tags span {
    padding: 4px 12px;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    background: #fff;
    color: var(--pc-color-text-secondary);
    border: 1px solid var(--pc-color-border);
    transition: all 0.2s ease;
}
.industry-card:hover .industry-tags span {
    border-color: rgba(59,130,246,0.2);
    color: var(--pc-color-accent);
}

/* === Service Model Cards === */
.model-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}
.model-grid-4col {
    grid-template-columns: repeat(4, 1fr);
}
.page-hero-title-lg {
    font-size: 3rem;
}
.footer-main {
    padding-top: 64px;
    padding-bottom: 64px;
}
.model-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 20px;
    padding: 36px 28px 32px;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}
.model-card:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.15);
    transform: translateY(-6px);
}
.model-card-featured {
    border-color: rgba(96,165,250,0.3);
    background: rgba(59,130,246,0.08);
}
.model-card-featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #a78bfa);
}
.model-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 14px;
    border-radius: 9999px;
    font-size: 0.6875rem;
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: #fff;
    letter-spacing: 0.05em;
}
.model-num {
    font-size: 2.5rem;
    margin-bottom: 16px;
    font-weight: 800;
    background: linear-gradient(135deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}
.model-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}
.model-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 20px;
}
.model-features span {
    padding: 5px 14px;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    background: rgba(255,255,255,0.06);
    color: rgba(255,255,255,0.6);
    border: 1px solid rgba(255,255,255,0.08);
}
.model-card-featured .model-features span {
    background: rgba(96,165,250,0.12);
    border-color: rgba(96,165,250,0.2);
    color: rgba(96,165,250,0.9);
}
.model-highlight {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,0.06);
}
.model-highlight svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* === Trust / Testimonial Cards === */
.trust-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.trust-card {
    background: var(--pc-color-bg);
    border-radius: 20px;
    padding: 32px 28px;
    border: 1px solid var(--pc-color-border);
    transition: all 0.3s ease;
}
.trust-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.06);
    border-color: rgba(59,130,246,0.15);
}
.trust-quote {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
    color: var(--pc-color-accent);
    opacity: 0.3;
    margin-bottom: 8px;
    font-family: Georgia, serif;
}
.trust-text {
    font-size: 0.9375rem;
    color: var(--pc-color-text-primary);
    line-height: 1.8;
    margin-bottom: 24px;
    font-style: italic;
}
.trust-meta {
    display: flex;
    align-items: center;
    gap: 12px;
}
.trust-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6, #1a2b5f);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.875rem;
    font-weight: 700;
    flex-shrink: 0;
}
.trust-name {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--pc-color-text-primary);
}
.trust-role {
    font-size: 0.8125rem;
    color: var(--pc-color-text-secondary);
    margin-top: 2px;
}

/* === Testimonial GEO/Trust upgrades (T22) === */
/* Verified-client badge */
.trust-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.6875rem;
    font-weight: 600;
    color: #059669;
    background: rgba(16,185,129,0.1);
    border: 1px solid rgba(16,185,129,0.22);
    padding: 3px 10px;
    border-radius: 9999px;
    margin-bottom: 14px;
}
/* 5-star rating */
.trust-stars {
    display: inline-flex;
    gap: 3px;
    margin-bottom: 16px;
}
.trust-star {
    width: 17px;
    height: 17px;
    color: #fbbf24;
}
/* Trust metrics strip */
.trust-stats {
    margin-top: 56px;
    background: linear-gradient(135deg, #0f1a3d 0%, #1a2b5f 100%);
    border-radius: 24px;
    padding: 40px 28px;
    box-shadow: 0 20px 50px rgba(15,26,61,0.18);
}
.trust-stat-item { text-align: center; }
.trust-stat-num {
    font-size: 2.125rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.15;
    margin-bottom: 6px;
}
.trust-stat-num .unit {
    font-size: 1.125rem;
    font-weight: 700;
    margin-left: 1px;
}
.trust-stat-label {
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.62);
}
.trust-stats-note {
    text-align: center;
    color: rgba(255,255,255,0.55);
    font-size: 0.875rem;
    line-height: 1.7;
    margin: 28px 0 0;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* === CTA Buttons Row === */
.cta-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}
.cta-btns svg {
    display: inline-block;
    vertical-align: middle;
}

@media (max-width: 768px) {
    .process-timeline {
        flex-direction: column;
        gap: 32px;
    }
    .process-timeline::before {
        display: none;
    }
    .process-step {
        text-align: left;
        display: flex;
        gap: 20px;
        align-items: flex-start;
    }
    .process-icon {
        margin: 0;
        flex-shrink: 0;
    }
    .process-step p {
        max-width: none;
    }
}

/* === Contact Icon Box === */
.contact-icon-box {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(59,130,246,0.08);
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .page-hero {
        padding: 60px 0 40px;
    }
    .page-hero-title {
        font-size: 1.75rem;
    }
    .page-hero-desc {
        font-size: 0.9375rem;
    }
}

/* === Footer === */
.pc-footer {
    background: linear-gradient(135deg, #0f1a3d 0%, #111d42 40%, #1a2b5f 100%);
    color: #fff;
    padding: 0;
}
.pc-footer .container {
    max-width: 80rem;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}
.pc-footer h4 {
    color: #fff;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}
.pc-footer a {
    transition: color 0.2s ease;
}

/* ============================================================
   UI Polish Layer 闁?capability cards 鐠?title accent 鐠?depth
   (added in beautification pass; sits above base rules, below
   responsive overrides)
   ============================================================ */

/* --- Capability cards (闁稿繐鍘栫花顒勬儎濡椿鐓婚柛銉︾椤╋妇妲? ---
   Replaces inline onmouseover JS with a design-system component:
   per-card gradient accent, CSS hover lift + top reveal bar. */
.capability-card {
    position: relative;
    background: #fff;
    border-radius: 20px;
    padding: 28px 24px;
    border: 1px solid var(--pc-color-border);
    overflow: hidden;
    transition: transform .35s cubic-bezier(.25,.46,.45,.94),
                box-shadow .35s ease,
                border-color .35s ease;
}
.capability-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--cap-accent, var(--pc-gradient-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .4s cubic-bezier(.25,.46,.45,.94);
}
.capability-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(26,43,95,.10);
    border-color: rgba(59,130,246,.18);
}
.capability-card:hover::before { transform: scaleX(1); }
.capability-card .cap-icon {
    width: 48px; height: 48px;
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 18px;
    background: var(--cap-bg, rgba(59,130,246,.1));
    color: var(--cap-color, var(--pc-color-accent));
    transition: transform .35s ease;
}
.capability-card:hover .cap-icon { transform: scale(1.08) rotate(-3deg); }
.capability-card .cap-icon svg { width: 24px; height: 24px; }
.capability-card h3 {
    font-size: 1.0625rem; font-weight: 700; margin-bottom: 8px;
    color: var(--pc-color-text-primary);
}
.capability-card p {
    font-size: .875rem; line-height: 1.75;
    color: var(--pc-color-text-secondary); margin: 0;
}
/* per-card accent themes (blue / violet / teal / amber) */
.capability-card:nth-child(1) {
    --cap-bg: linear-gradient(135deg, rgba(59,130,246,.14), rgba(37,99,235,.10));
    --cap-color: #2563eb;
    --cap-accent: linear-gradient(90deg,#3b82f6,#2563eb);
}
.capability-card:nth-child(2) {
    --cap-bg: linear-gradient(135deg, rgba(139,92,246,.14), rgba(168,85,247,.10));
    --cap-color: #8b5cf6;
    --cap-accent: linear-gradient(90deg,#8b5cf6,#6366f1);
}
.capability-card:nth-child(3) {
    --cap-bg: linear-gradient(135deg, rgba(16,185,129,.14), rgba(6,182,212,.10));
    --cap-color: #0d9488;
    --cap-accent: linear-gradient(90deg,#10b981,#06b6d4);
}
.capability-card:nth-child(4) {
    --cap-bg: linear-gradient(135deg, rgba(245,158,11,.16), rgba(249,115,22,.10));
    --cap-color: #ea580c;
    --cap-accent: linear-gradient(90deg,#f59e0b,#f97316);
}

/* --- Section title accent underline (premium detail) ---
   Short centered gradient bar under centered section titles. */
.text-center .section-title {
    position: relative;
    padding-bottom: 16px;
}
.text-center .section-title::after {
    content: '';
    position: absolute;
    left: 50%; bottom: 0;
    transform: translateX(-50%);
    width: 56px; height: 4px;
    border-radius: 9999px;
    background: var(--pc-gradient-accent);
}

/* --- Depth: subtle aurora mesh behind selected light sections ---
   Clipped by .section overflow:hidden; content lifted above via z-index. */
.section--mesh { position: relative; }
.section--mesh::before {
    content: '';
    position: absolute;
    inset: -2px;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(38% 50% at 12% 16%, rgba(59,130,246,.08) 0%, transparent 70%),
        radial-gradient(34% 46% at 88% 12%, rgba(139,92,246,.07) 0%, transparent 70%),
        radial-gradient(42% 52% at 72% 92%, rgba(6,182,212,.06) 0%, transparent 70%);
}
.section--mesh .container { position: relative; z-index: 1; }

/* === Mobile Menu === */
.pc-header #mobile-menu {
    background: rgba(26,43,95,0.98);
    border-top: 1px solid rgba(255,255,255,0.08);
}

/* === Responsive Enhancements === */
@media (max-width: 1024px) {
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .industry-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .model-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .model-grid-4col {
        grid-template-columns: repeat(2, 1fr);
    }
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .case-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: auto;
    }
    .hero-content {
        padding: 80px 1.5rem 60px;
    }
    .hero-title {
        font-size: 2.25rem;
    }
    .hero-desc {
        font-size: 1rem;
    }
    .hero-slogan {
        font-size: 0.9375rem;
        letter-spacing: 2px;
    }
    .hero-btns {
        flex-direction: column;
    }
    .hero-btns a {
        text-align: center;
        justify-content: center;
    }
    .stats-bar {
        margin-top: 0;
        border-radius: 0;
        padding: 40px 0;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    .stat-item:not(:last-child)::after {
        display: none;
    }
    .stat-num {
        font-size: 2rem;
    }
    .section {
        padding: 60px 0;
    }
    .section-title {
        font-size: 1.75rem;
    }
    .section-desc {
        font-size: 0.9375rem;
        margin-bottom: 40px;
    }
    .service-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .service-card {
        padding: 28px 20px;
    }
    .case-grid,
    .news-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .case-cover {
        height: 180px;
    }
    .cta-section {
        padding: 60px 0;
    }
    .cta-section h2 {
        font-size: 1.75rem;
    }
    .hero-trust-bar {
        margin-top: 24px;
        padding: 10px 16px;
        gap: 8px;
    }
    .hero-trust-item {
        font-size: 0.75rem;
    }
    .industry-grid,
    .model-grid,
    .model-grid-4col,
    .trust-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .industry-card,
    .model-card,
    .trust-card {
        padding: 24px 20px;
    }
    .cta-btns {
        flex-direction: column;
    }
    .cta-btns a {
        text-align: center;
        justify-content: center;
    }
    .pc-header .container {
        height: 56px;
    }
    .pc-header .brand-logo {
        height: 36px;
        width: auto;
    }
    .brand-logo-footer {
        height: 40px;
    }
    .footer-main {
        padding-top: 40px;
        padding-bottom: 40px;
    }
    .page-hero-title-lg {
        font-size: 1.75rem;
    }
}

/* === Design Polish: Typography & Spacing === */

/* Better font rendering */
body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Consistent section spacing rhythm */
.section {
    padding: 100px 0;
}

/* Better heading hierarchy */
.section-title {
    letter-spacing: -0.02em;
}

/* Service card icon consistent size */
.service-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 14px;
}

/* News card date styling */
.news-info .news-date {
    font-size: 0.8125rem;
    color: var(--pc-color-text-tertiary);
    margin-bottom: 8px;
}

/* Better link transitions */
a {
    transition: color 0.2s ease, opacity 0.2s ease;
}

/* Selection color brand consistency */
::selection {
    background: rgba(59,130,246,0.2);
    color: var(--pc-color-text-primary);
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--pc-color-bg);
}
::-webkit-scrollbar-thumb {
    background: var(--pc-color-text-tertiary);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--pc-color-text-secondary);
}

/* Better focus styles for accessibility */
a:focus-visible,
button:focus-visible,
.form-input:focus-visible {
    outline: 2px solid var(--pc-color-accent);
    outline-offset: 2px;
}

/* Industry card arrow indicator */
.industry-card::after {
    content: '';
    position: absolute;
    bottom: 24px;
    right: 24px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--pc-color-accent);
    opacity: 0;
    transition: all 0.3s ease;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='white' viewBox='0 0 24 24' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M9 5l7 7-7 7'/%3E%3C/svg%3E");
    background-size: 14px;
    background-repeat: no-repeat;
    background-position: center;
}
.industry-card:hover::after {
    opacity: 1;
    transform: translateX(4px);
}

/* Stats number better mobile sizing */
@media (max-width: 768px) {
    .stat-num {
        font-size: 2rem;
        letter-spacing: -0.02em;
    }
}

/* Consistent border-radius scale */
.service-card,
.case-card,
.news-card,
.tech-card,
.industry-card,
.trust-card {
    border-radius: 20px;
}

/* Smooth scroll padding for fixed header */
html {
    scroll-padding-top: 80px;
}

/* === AI Solution Cards === */
.ai-solution-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 48px;
}
.ai-solution-card {
    background: var(--pc-color-surface);
    border-radius: 20px;
    padding: 28px 22px 24px;
    border: 1px solid var(--pc-color-border);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: fade-in-up 0.6s ease-out both;
}
.ai-solution-card:nth-child(1) { animation-delay: 0.05s; }
.ai-solution-card:nth-child(2) { animation-delay: 0.1s; }
.ai-solution-card:nth-child(3) { animation-delay: 0.15s; }
.ai-solution-card:nth-child(4) { animation-delay: 0.2s; }
.ai-solution-card:nth-child(5) { animation-delay: 0.25s; }
.ai-solution-card:nth-child(6) { animation-delay: 0.3s; }
.ai-solution-card:nth-child(7) { animation-delay: 0.35s; }
.ai-solution-card:nth-child(8) { animation-delay: 0.4s; }
.ai-solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--card-accent, #3b82f6), var(--card-accent-dark, #1d4ed8));
    opacity: 0;
    transition: opacity 0.3s ease;
}
.ai-solution-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.08);
    border-color: transparent;
}
.ai-solution-card:hover::before {
    opacity: 1;
}
.ai-solution-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}
.ai-solution-icon svg {
    width: 24px;
    height: 24px;
}
.ai-solution-card:hover .ai-solution-icon {
    transform: scale(1.08);
}
.ai-solution-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--pc-color-text-primary);
}
.ai-solution-card p {
    font-size: 0.8125rem;
    color: var(--pc-color-text-secondary);
    line-height: 1.65;
    margin-bottom: 14px;
    flex-grow: 1;
}
.ai-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.ai-tags span {
    padding: 3px 10px;
    border-radius: 9999px;
    font-size: 0.6875rem;
    font-weight: 500;
    background: var(--pc-color-bg);
    color: var(--pc-color-text-secondary);
    border: 1px solid var(--pc-color-border);
    transition: all 0.2s ease;
}
.ai-solution-card:hover .ai-tags span {
    border-color: rgba(59,130,246,0.2);
    color: var(--pc-color-accent);
    background: rgba(59,130,246,0.04);
}

/* === AI Insight Grid (Why AI Now) === */
.ai-insight-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 48px;
}
.ai-insight-card {
    background: var(--pc-color-bg);
    border-radius: 20px;
    padding: 32px 24px;
    border: 1px solid var(--pc-color-border);
    text-align: center;
    transition: all 0.3s ease;
}
.ai-insight-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.06);
    border-color: rgba(59,130,246,0.15);
}
.ai-insight-num {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 12px;
}
.ai-insight-card h3 {
    font-size: 1.0625rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--pc-color-text-primary);
}
.ai-insight-card p {
    font-size: 0.8125rem;
    color: var(--pc-color-text-secondary);
    line-height: 1.7;
}

/* === AI Case Showcase === */
.ai-case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 48px;
}
.ai-case-card {
    background: var(--pc-color-bg);
    border-radius: 20px;
    padding: 32px 28px;
    border: 1px solid var(--pc-color-border);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}
.ai-case-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.08);
    border-color: transparent;
}
.ai-case-industry {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(59,130,246,0.1);
    color: var(--pc-color-accent);
    margin-bottom: 16px;
}
.ai-case-card h3 {
    font-size: 1.0625rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--pc-color-text-primary);
    line-height: 1.4;
}
.ai-case-card p {
    font-size: 0.875rem;
    color: var(--pc-color-text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}
.ai-case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 20px;
}
.ai-case-tags span {
    padding: 4px 10px;
    border-radius: 9999px;
    font-size: 0.6875rem;
    font-weight: 500;
    background: #fff;
    color: var(--pc-color-text-secondary);
    border: 1px solid var(--pc-color-border);
}
.ai-case-result {
    display: flex;
    gap: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--pc-color-border);
}
.ai-case-result > div {
    flex: 1;
    text-align: center;
}
.ai-case-result strong {
    display: block;
    font-size: 1.25rem;
    font-weight: 800;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}
.ai-case-result span {
    display: block;
    font-size: 0.6875rem;
    color: var(--pc-color-text-tertiary);
    margin-top: 4px;
}

/* === AI FAQ Grid === */
.ai-faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 48px;
}
.ai-faq-item {
    background: var(--pc-color-bg);
    border-radius: 16px;
    padding: 24px 28px;
    border: 1px solid var(--pc-color-border);
    transition: all 0.3s ease;
}
.ai-faq-item:hover {
    border-color: rgba(59,130,246,0.15);
    box-shadow: 0 8px 24px rgba(0,0,0,0.04);
}
.ai-faq-item h3 {
    font-size: 0.9375rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--pc-color-text-primary);
    display: flex;
    align-items: flex-start;
    gap: 8px;
}
.ai-faq-item h3::before {
    content: 'Q';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 6px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: #fff;
    font-size: 0.6875rem;
    font-weight: 800;
    flex-shrink: 0;
    margin-top: 1px;
}
.ai-faq-item p {
    font-size: 0.8125rem;
    color: var(--pc-color-text-secondary);
    line-height: 1.7;
    padding-left: 30px;
}

/* === Responsive: AI Components === */
@media (max-width: 1024px) {
    .ai-solution-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .ai-insight-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .ai-case-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .ai-solution-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .ai-insight-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .ai-case-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .ai-faq-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .ai-solution-card,
    .ai-insight-card,
    .ai-case-card {
        padding: 24px 20px;
    }
    .ai-case-result {
        gap: 8px;
    }
    .ai-case-result strong {
        font-size: 1rem;
    }
}

/* === About Page: Honors & Team === */
.honor-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    max-width: 800px;
    margin: 0 auto;
}
.honor-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    background: #fff;
    border: 1px solid var(--pc-color-border);
    color: var(--pc-color-text-primary);
    transition: all 0.3s;
}
.honor-tag:hover {
    border-color: var(--pc-color-accent);
    color: var(--pc-color-accent);
    box-shadow: 0 2px 8px rgba(59,130,246,0.1);
}
.honor-tag svg {
    width: 18px;
    height: 18px;
    color: var(--pc-color-accent);
}
.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 2.5rem;
}
.team-card {
    background: #fff;
    border-radius: 16px;
    padding: 32px 24px 28px;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    transition: all 0.3s;
    border: 1px solid transparent;
}
.team-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.1);
    border-color: var(--pc-color-accent);
}
.team-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
}
.team-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--pc-color-text-primary);
    margin-bottom: 4px;
}
.team-role {
    font-size: 0.8125rem;
    color: var(--pc-color-accent);
    font-weight: 600;
    margin-bottom: 12px;
}
.team-desc {
    font-size: 0.8125rem;
    color: var(--pc-color-text-secondary);
    line-height: 1.6;
}
@media (max-width: 1024px) {
    .team-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}
@media (max-width: 768px) {
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .team-card {
        padding: 24px 16px 20px;
    }
    .team-avatar {
        width: 64px;
        height: 64px;
        font-size: 1.25rem;
    }
    .honor-list {
        gap: 8px;
    }
    .honor-tag {
        padding: 8px 14px;
        font-size: 0.8125rem;
    }
    .company-profile-section {
        max-width: 900px;
        margin: 0 auto;
    }
    .profile-intro {
        font-size: 1rem;
        line-height: 2;
        color: var(--pc-color-text-secondary);
        text-align: justify;
    }
    .profile-section-title {
        font-size: 1.125rem;
        font-weight: 700;
        color: var(--pc-color-text-primary);
        margin-bottom: 12px;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .profile-section-title::before {
        content: '';
        width: 4px;
        height: 20px;
        background: linear-gradient(135deg, var(--pc-color-accent), var(--pc-color-accent-dark));
        border-radius: 2px;
    }
    .profile-section-desc {
        font-size: 0.9375rem;
        line-height: 1.8;
        color: var(--pc-color-text-secondary);
        margin-bottom: 24px;
    }
    .profile-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .profile-list li {
        position: relative;
        padding-left: 20px;
        margin-bottom: 8px;
        font-size: 0.9375rem;
        color: var(--pc-color-text-secondary);
        line-height: 1.7;
    }
    .profile-list li::before {
        content: '闁?;
        position: absolute;
        left: 0;
        color: var(--pc-color-accent);
        font-weight: 700;
    }
    .profile-highlight-box {
        background: linear-gradient(135deg, rgba(59,130,246,0.05), rgba(139,92,246,0.05));
        border-left: 4px solid var(--pc-color-accent);
        border-radius: 0 12px 12px 0;
        padding: 20px 24px;
        margin: 20px 0;
    }
    .profile-highlight-box p {
        margin: 0;
        font-size: 0.9375rem;
        line-height: 1.8;
        color: var(--pc-color-text-secondary);
    }
    .branch-office-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 16px;
        margin-top: 24px;
    }
    .branch-office-card {
        background: #fff;
        border-radius: 12px;
        padding: 20px;
        box-shadow: 0 1px 3px rgba(0,0,0,0.06);
        border: 1px solid var(--pc-color-border);
        transition: all 0.3s;
    }
    .branch-office-card:hover {
        border-color: var(--pc-color-accent);
        box-shadow: 0 4px 12px rgba(59,130,246,0.1);
    }
    .branch-office-card h4 {
        font-size: 0.9375rem;
        font-weight: 700;
        color: var(--pc-color-accent);
        margin-bottom: 8px;
    }
    .branch-office-card p {
        font-size: 0.8125rem;
        color: var(--pc-color-text-secondary);
        line-height: 1.6;
        margin: 0;
    }
    .contact-strip {
        display: flex;
        flex-wrap: wrap;
        gap: 24px;
        justify-content: center;
        margin-top: 24px;
    }
    .contact-item {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 0.9375rem;
        color: var(--pc-color-text-secondary);
    }
    .contact-item svg {
        width: 20px;
        height: 20px;
        color: var(--pc-color-accent);
        flex-shrink: 0;
    }
    .contact-item strong {
        color: var(--pc-color-text-primary);
    }
    .core-values-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
        margin-top: 2.5rem;
    }
    .core-value-card {
        text-align: center;
        padding: 28px 20px;
        background: #fff;
        border-radius: 16px;
        box-shadow: 0 1px 3px rgba(0,0,0,0.06);
        transition: all 0.3s;
        border: 1px solid transparent;
    }
    .core-value-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 12px 32px rgba(0,0,0,0.1);
        border-color: var(--pc-color-accent);
    }
    .core-value-icon {
        width: 56px;
        height: 56px;
        border-radius: 16px;
        margin: 0 auto 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.5rem;
        font-weight: 800;
        color: #fff;
    }
    .core-value-title {
        font-size: 1rem;
        font-weight: 700;
        color: var(--pc-color-text-primary);
        margin-bottom: 8px;
    }
    .core-value-desc {
        font-size: 0.8125rem;
        color: var(--pc-color-text-secondary);
        line-height: 1.6;
    }
    @media (max-width: 1024px) {
        .core-values-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    @media (max-width: 768px) {
        .core-values-grid {
            grid-template-columns: 1fr;
        }
        .branch-office-grid {
            grid-template-columns: 1fr;
        }
        .contact-strip {
            flex-direction: column;
            align-items: flex-start;
        }
        .profile-section-title {
            font-size: 1rem;
        }
    }

/* === About Page: Clean Unified Layout === */
.about-section {
    padding: 80px 0;
}
.about-light {
    background: var(--pc-color-bg);
}
.about-row {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 48px;
    align-items: start;
}
.about-img-wrap {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0,0,0,0.1);
    position: sticky;
    top: 100px;
}
.about-img-wrap img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    display: block;
}
.about-text-wrap {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.about-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.8125rem;
    font-weight: 600;
    background: rgba(59,130,246,0.1);
    color: var(--pc-color-accent);
    width: fit-content;
}
.about-heading {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--pc-color-text-primary);
    line-height: 1.3;
}
.about-paragraph {
    font-size: 1rem;
    line-height: 2;
    color: var(--pc-color-text-secondary);
    text-align: justify;
}
.about-values {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.about-value-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.about-value-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 800;
    color: #fff;
    flex-shrink: 0;
}
.about-value-item span {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--pc-color-text-primary);
}
.about-section-header {
    text-align: center;
    margin-bottom: 40px;
}
.about-subtitle {
    font-size: 0.9375rem;
    color: var(--pc-color-text-secondary);
    margin-top: 12px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}
.about-tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.about-tech-card {
    background: #fff;
    border-radius: 14px;
    padding: 28px 20px;
    border: 1px solid var(--pc-color-border);
    text-align: center;
    transition: all 0.3s;
}
.about-tech-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.08);
    border-color: transparent;
}
.about-tech-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}
.about-tech-icon svg {
    width: 24px;
    height: 24px;
}
.about-tech-card h3 {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--pc-color-text-primary);
}
.about-divider {
    height: 1px;
    background: var(--pc-color-border);
    margin: 60px 0;
}
.about-industry-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.about-industry-card {
    background: #fff;
    border-radius: 14px;
    padding: 28px 24px;
    border: 1px solid var(--pc-color-border);
    transition: all 0.3s;
}
.about-industry-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.08);
    border-color: transparent;
}
.about-industry-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}
.about-industry-icon svg {
    width: 24px;
    height: 24px;
}
.about-industry-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--pc-color-text-primary);
    margin-bottom: 8px;
}
.about-industry-card p {
    font-size: 0.8125rem;
    color: var(--pc-color-text-secondary);
    line-height: 1.6;
}
.about-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}
.about-city-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.about-city-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}
.about-city-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 800;
    color: #fff;
    flex-shrink: 0;
}
.about-city-item strong {
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--pc-color-text-primary);
}
.about-city-item span {
    font-size: 0.75rem;
    color: var(--pc-color-text-tertiary);
}
.about-process-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.about-process-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 16px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}
.about-process-num {
    font-size: 1.125rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--pc-color-accent), var(--pc-color-accent-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    width: 32px;
    flex-shrink: 0;
}
.about-process-item strong {
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--pc-color-text-primary);
}
.about-process-item span {
    font-size: 0.75rem;
    color: var(--pc-color-text-tertiary);
}
.about-vision {
    padding: 80px 0;
    background: linear-gradient(135deg, #0f1a3d 0%, #1a2b5f 100%);
}
.about-vision-inner {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}
.about-vision-badge {
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.8125rem;
    font-weight: 600;
    background: rgba(59,130,246,0.2);
    color: #60a5fa;
}
.about-vision h2 {
    font-size: 1.75rem;
    font-weight: 800;
    color: #fff;
    margin: 0;
}
.about-vision p {
    font-size: 0.9375rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.8;
    margin: 0;
}
.about-contact-row {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: center;
    margin-top: 16px;
}
.about-contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.875rem;
    color: rgba(255,255,255,0.7);
}
.about-contact-item svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    opacity: 0.6;
}
.about-contact-item strong {
    color: #fff;
}

/* Responsive */
@media (max-width: 1024px) {
    .about-row {
        grid-template-columns: 1fr;
    }
    .about-img-wrap {
        position: static;
    }
    .about-img-wrap img {
        height: 280px;
    }
    .about-tech-grid,
    .about-industry-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-two-col {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .about-section {
        padding: 48px 0;
    }
    .about-heading {
        font-size: 1.375rem;
    }
    .about-tech-grid,
    .about-industry-grid {
        grid-template-columns: 1fr;
    }
    .about-values {
        flex-direction: column;
    }
    .about-contact-row {
        flex-direction: column;
        align-items: flex-start;
    }
    .about-vision h2 {
        font-size: 1.375rem;
    }
}

/* Enhanced Service Card */
.service-desc-text { font-size: 0.875rem; line-height: 1.7; color: var(--pc-color-text-secondary); margin-bottom: 1rem; min-height: 60px; }
.service-capabilities { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1rem; }
.capability-item { display: flex; align-items: center; gap: 0.5rem; font-size: 0.8125rem; color: var(--pc-color-text-primary); }
.capability-check { width: 16px; height: 16px; flex-shrink: 0; color: #10B981; }
.service-consult-btn { display: block; text-align: center; padding: 0.5rem 1rem; font-size: 0.8125rem; font-weight: 600; color: var(--pc-color-accent); background: rgba(59,130,246,0.06); border: 1px solid rgba(59,130,246,0.2); border-radius: 8px; transition: all 0.2s; margin-top: 0.75rem; text-decoration: none; }
.service-consult-btn:hover { background: rgba(59,130,246,0.12); border-color: rgba(59,130,246,0.4); }

/* Case Detail Enhancements */
.case-outcomes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; padding: 40px 0; }
.case-outcome-card { text-align: center; padding: 24px 16px; border-radius: 12px; background: linear-gradient(135deg, rgba(99,102,241,0.06), rgba(99,102,241,0.02)); border: 1px solid rgba(99,102,241,0.1); }
.case-outcome-value { font-size: 1.75rem; font-weight: 800; color: var(--pc-color-accent); margin-bottom: 4px; }
.case-outcome-label { font-size: 0.8125rem; color: var(--pc-color-text-tertiary); }
.case-deliverables { padding: 24px 0; margin: 16px 0; border-top: 1px solid var(--pc-color-border); border-bottom: 1px solid var(--pc-color-border); }
.case-deliverables h3 { font-size: 1rem; font-weight: 700; margin-bottom: 16px; }
.case-deliverables-list { display: flex; flex-wrap: wrap; gap: 8px; }
.case-deliverable-tag { padding: 6px 14px; font-size: 0.8125rem; border-radius: 8px; background: var(--pc-color-bg); color: var(--pc-color-text-primary); border: 1px solid var(--pc-color-border); }

/* News Card Enhancements */
.news-card-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.news-cat-tag { font-size: 0.75rem; padding: 2px 8px; border-radius: 4px; background: rgba(99,102,241,0.08); color: var(--pc-color-accent); font-weight: 500; }
.news-date { font-size: 0.75rem; color: var(--pc-color-text-tertiary); }

/* Responsive: Case Detail Enhancements */
@media (max-width: 768px) {
    .case-outcomes { grid-template-columns: repeat(2, 1fr); gap: 12px; }
}

/* === FAQ Filter & Search === */
.faq-toolbar { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 2rem; }
.faq-filter-tags { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.faq-filter-btn { padding: 6px 16px; font-size: 0.875rem; font-weight: 500; border: 1px solid var(--pc-color-border); border-radius: 999px; background: #fff; color: var(--pc-color-text-secondary); cursor: pointer; transition: all 0.2s; }
.faq-filter-btn:hover { border-color: var(--pc-color-accent); color: var(--pc-color-accent); }
.faq-filter-btn.active { background: var(--pc-color-accent); color: #fff; border-color: var(--pc-color-accent); }
.faq-search-input { width: 100%; padding: 10px 16px; font-size: 0.875rem; border: 1px solid var(--pc-color-border); border-radius: 8px; background: #fff; outline: none; transition: border-color 0.2s; box-sizing: border-box; }
.faq-search-input:focus { border-color: var(--pc-color-accent); }

/* === Cases Filter === */
.cases-filter-bar { margin-bottom: 1.5rem; }
.cases-filter-tags { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.case-filter-btn { padding: 6px 16px; font-size: 0.8125rem; font-weight: 500; border: 1px solid var(--pc-color-border); border-radius: 999px; background: #fff; color: var(--pc-color-text-secondary); cursor: pointer; transition: all 0.2s; }
.case-filter-btn:hover { border-color: var(--pc-color-accent); color: var(--pc-color-accent); }
.case-filter-btn.active { background: var(--pc-color-accent); color: #fff; border-color: var(--pc-color-accent); }

/* === Missing Tailwind Utility Classes (auto-generated) === */

/* Spacing */
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.mb-0 { margin-bottom: 0; }

/* Sizing */
.w-4 { width: 1rem; }
.w-5 { width: 1.25rem; }
.w-8 { width: 2rem; }
.h-8 { height: 2rem; }

/* Logical margin */
.me-1 { margin-right: 0.25rem; }
.ms-1 { margin-left: 0.25rem; }

/* Display */
.table { display: table; }
.w-100 { width: 100%; }

/* === Floating Phone Button === */
.floating-phone-btn {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 999;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 22px;
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.4);
    transition: all 0.3s ease;
    cursor: pointer;
    animation: floating-phone-pulse 3s ease-in-out infinite;
}
.floating-phone-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(16, 185, 129, 0.55);
    color: #fff;
    text-decoration: none;
}
.floating-phone-text {
    white-space: nowrap;
}
@keyframes floating-phone-pulse {
    0%, 100% { box-shadow: 0 8px 30px rgba(16, 185, 129, 0.4); }
    50% { box-shadow: 0 8px 40px rgba(16, 185, 129, 0.6); }
}
@media (max-width: 768px) {
    .floating-phone-btn {
        bottom: 20px;
        right: 16px;
        padding: 12px 18px;
        font-size: 0.8125rem;
    }
    .floating-phone-text { display: none; }
}


/* ========================================
   Stair Navigation*/
.stair-nav {
    position: fixed;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.stair-item {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--pc-color-border);
    border-radius: 8px;
    text-decoration: none;
    color: var(--pc-color-text-secondary);
    font-size: 12px;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    backdrop-filter: blur(8px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    white-space: nowrap;
}

.stair-item:hover {
    background: #fff;
    color: var(--pc-color-accent);
    border-color: var(--pc-color-accent);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.15);
    transform: translateX(-4px);
}

.stair-item.active {
    background: var(--pc-color-accent);
    color: #fff;
    border-color: var(--pc-color-accent);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
}

.stair-item.active .stair-icon {
    filter: brightness(10);
}

.stair-icon {
    font-size: 14px;
    line-height: 1;
}

.stair-text {
    max-width: 0;
    overflow: hidden;
    transition: max-width 0.3s ease, opacity 0.3s ease;
    opacity: 0;
}

.stair-item:hover .stair-text,
.stair-item.active .stair-text {
    max-width: 60px;
    opacity: 1;
}

/* Hide stair nav on mobile */
@media (max-width: 768px) {
    .stair-nav {
        display: none;
    }
}

/* ========================================
   Floating Contact Panel
   ======================================== */
.floating-contact {
    position: fixed;
    bottom: 100px;
    right: 24px;
    z-index: 1001;
}

.floating-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
    transition: all 0.3s ease;
}

.floating-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 24px rgba(59, 130, 246, 0.5);
}

.floating-btn svg {
    width: 24px;
    height: 24px;
}

.floating-btn.close svg {
    transform: rotate(90deg);
}

.floating-panel {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: 280px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.12);
    border: 1px solid var(--pc-color-border);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px) scale(0.95);
    transition: all 0.3s ease;
    overflow: hidden;
}

.floating-panel.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: #fff;
}

.panel-header h4 {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
}

.panel-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.panel-close:hover {
    opacity: 1;
}

.panel-body {
    padding: 16px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 10px;
    text-decoration: none;
    color: inherit;
    transition: background 0.2s;
    margin-bottom: 8px;
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-item:hover {
    background: #f0f7ff;
}

.contact-item--primary {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: #fff;
    margin-top: 12px;
}

.contact-item--primary:hover {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
}

.contact-label {
    font-size: 12px;
    color: var(--pc-color-text-tertiary);
    margin-bottom: 2px;
}

.contact-item--primary .contact-label {
    color: rgba(255, 255, 255, 0.8);
}

.contact-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--pc-color-text-primary);
}

.contact-item--primary .contact-value {
    color: #fff;
}

.contact-item svg {
    flex-shrink: 0;
    color: var(--pc-color-accent);
}

.contact-item--primary svg {
    color: #fff;
}

@media (max-width: 768px) {
    .floating-contact {
        bottom: 80px;
        right: 16px;
    }
    
    .floating-panel {
        width: 260px;
        right: -8px;
    }
    
    .floating-btn {
        width: 48px;
        height: 48px;
    }
}

/* ========================================
   婵°倕鍚嬮～顏嗏偓浣冨閸?(Stair Navigation)
   ======================================== */
.pc-stair-nav {
    position: fixed;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.pc-stair-item {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    padding: 8px 12px;
    background: #ffffff;
    border: 1px solid #E5E7EB;
    border-radius: 8px;
    text-decoration: none;
    color: #1F2937;
    font-size: 12px;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.12);
    white-space: nowrap;
}

.pc-stair-item:hover {
    background: var(--pc-color-accent);
    color: #fff;
    border-color: var(--pc-color-accent);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.35);
    transform: translateX(-4px);
}

.pc-stair-item.active {
    background: var(--pc-color-accent);
    color: #fff;
    border-color: var(--pc-color-accent);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
}

.pc-stair-icon {
    font-size: 14px;
    line-height: 1;
    color: #374151;
}

.pc-stair-item:hover .pc-stair-icon,
.pc-stair-item.active .pc-stair-icon {
    color: #fff;
}

.pc-stair-text {
    max-width: 0;
    overflow: hidden;
    transition: max-width 0.3s ease, opacity 0.3s ease;
    opacity: 0;
}

.pc-stair-item:hover .pc-stair-text,
.pc-stair-item.active .pc-stair-text {
    max-width: 60px;
    opacity: 1;
}

/* 右侧导航浮于浅色区块：自动切深色卡片 + 白字（深底时保持默认白卡片+深字） */
.pc-stair-nav.over-light .pc-stair-item {
    background: rgba(15, 23, 42, 0.82);
    color: rgba(226, 232, 240, 0.95);
    border-color: rgba(148, 163, 184, 0.28);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}
.pc-stair-nav.over-light .pc-stair-icon {
    color: rgba(226, 232, 240, 0.9);
}
.pc-stair-nav.over-light .pc-stair-item:hover,
.pc-stair-nav.over-light .pc-stair-item.active {
    background: var(--pc-color-accent);
    color: #fff;
    border-color: var(--pc-color-accent);
}
.pc-stair-nav.over-light .pc-stair-item:hover .pc-stair-icon,
.pc-stair-nav.over-light .pc-stair-item.active .pc-stair-icon {
    color: #fff;
}

@media (max-width: 768px) {
    .pc-stair-nav {
        display: none;
    }
}

/* ========================================
   PC Floating Contact Panel
   ======================================== */
.pc-float-contact {
    position: fixed;
    bottom: 100px;
    right: 24px;
    z-index: 1001;
}

.pc-float-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
    transition: all 0.3s ease;
}

.pc-float-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 24px rgba(59, 130, 246, 0.5);
}

.pc-float-btn svg {
    width: 24px;
    height: 24px;
}

.pc-float-btn.close svg {
    transform: rotate(90deg);
}

.pc-float-panel {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: 280px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.12);
    border: 1px solid var(--pc-color-border);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px) scale(0.95);
    transition: all 0.3s ease;
    overflow: hidden;
}

.pc-float-panel.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.pc-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: #fff;
}

.pc-panel-header h4 {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
}

.pc-panel-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.pc-panel-close:hover {
    opacity: 1;
}

.pc-panel-body {
    padding: 16px;
}

.pc-contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 10px;
    text-decoration: none;
    color: inherit;
    transition: background 0.2s;
    margin-bottom: 8px;
}

.pc-contact-item:last-child {
    margin-bottom: 0;
}

.pc-contact-item:hover {
    background: #f0f7ff;
}

.pc-contact-primary {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: #fff;
    margin-top: 12px;
}

.pc-contact-primary:hover {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
}

.pc-contact-label {
    font-size: 12px;
    color: var(--pc-color-text-tertiary);
    margin-bottom: 2px;
}

.pc-contact-primary .pc-contact-label {
    color: rgba(255, 255, 255, 0.8);
}

.pc-contact-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--pc-color-text-primary);
}

.pc-contact-primary .pc-contact-value {
    color: #fff;
}

.pc-contact-item svg {
    flex-shrink: 0;
    color: var(--pc-color-accent);
}

.pc-contact-primary svg {
    color: #fff;
}

@media (max-width: 768px) {
    .pc-float-contact {
        bottom: 80px;
        right: 16px;
    }
    .pc-float-panel {
        width: 260px;
        right: -8px;
    }
    .pc-float-btn {
        width: 48px;
        height: 48px;
    }
}
}