:root {
  --primary: #60a5fa;
  --primary-dark: #3b82f6;
  --secondary: #c084fc;
  --secondary-dark: #a855f7;
  --accent: #06b6d4;
  --accent-green: #22c55e;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --bg-dark: #0a0a1a;
  --bg-card: rgba(15, 23, 42, 0.6);
  --bg-nav: rgba(10, 10, 26, 0.85);
  --border: rgba(96, 165, 250, 0.15);
  --border-hover: rgba(96, 165, 250, 0.4);
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --text-blue: #93c5fd;
  --gradient-1: linear-gradient(135deg, #60a5fa, #c084fc);
  --gradient-2: linear-gradient(135deg, #3b82f6, #a855f7);
  --gradient-3: linear-gradient(135deg, #06b6d4, #60a5fa);
  --gradient-green: linear-gradient(135deg, #22c55e, #06b6d4);
  --gradient-amber: linear-gradient(135deg, #f59e0b, #f97316);
  --gradient-rose: linear-gradient(135deg, #f43f5e, #ec4899);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 40px rgba(96, 165, 250, 0.15);
  --radius: 16px;
  --radius-sm: 8px;
  --radius-full: 9999px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

/* ===== Utility ===== */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.gradient-text {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section { padding: 100px 0; position: relative; }
.section-title {
  text-align: center;
  margin-bottom: 60px;
}
.section-title h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 16px;
}
.section-title p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}
.section-title .title-line {
  width: 60px;
  height: 4px;
  background: var(--gradient-1);
  border-radius: 2px;
  margin: 16px auto 0;
}

/* ===== Noise Texture Overlay ===== */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
}

/* ===== Particle Canvas ===== */
#particle-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--bg-nav);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow); }
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.navbar .logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
}
.navbar .logo-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--gradient-1);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.navbar .logo-icon::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  background: white;
  border-radius: 50%;
  opacity: 0.9;
}
.navbar .logo-text h1 {
  font-size: 1.2rem;
  font-weight: 700;
}
.navbar .logo-text span {
  font-size: 0.75rem;
  color: var(--text-muted);
}
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  white-space: nowrap;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-1);
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 8px;
}
.mobile-menu {
  display: none;
  padding: 16px 0;
  border-top: 1px solid var(--border);
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: 12px 16px;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.mobile-menu a:hover { background: rgba(96, 165, 250, 0.1); color: var(--text); }

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: 72px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(96, 165, 250, 0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 80% 50%, rgba(192, 132, 252, 0.08) 0%, transparent 50%);
  z-index: 0;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(96, 165, 250, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(96, 165, 250, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 0;
}
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  padding: 0 24px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(96, 165, 250, 0.1);
  border: 1px solid rgba(96, 165, 250, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--text-blue);
  margin-bottom: 24px;
}
.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
}
.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
}
.hero h1 .gradient-text { display: inline; }
.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: inherit;
}
.btn-primary {
  background: var(--gradient-1);
  color: white;
  box-shadow: 0 4px 24px rgba(96, 165, 250, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(96, 165, 250, 0.4);
}
.btn-hero {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: inherit;
  background: var(--gradient-1);
  color: white;
  box-shadow: 0 6px 28px rgba(96, 165, 250, 0.35), inset 0 1px 0 rgba(255,255,255,0.15);
}
.btn-hero:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 40px rgba(96, 165, 250, 0.45), inset 0 1px 0 rgba(255,255,255,0.2);
}
.btn-hero-cyan {
  background: var(--gradient-3);
  box-shadow: 0 6px 28px rgba(6, 182, 212, 0.35), inset 0 1px 0 rgba(255,255,255,0.15);
}
.btn-hero-cyan:hover {
  box-shadow: 0 10px 40px rgba(6, 182, 212, 0.45), inset 0 1px 0 rgba(255,255,255,0.2);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--primary);
  background: rgba(96, 165, 250, 0.1);
  transform: translateY(-2px);
}
.btn-sm {
  padding: 8px 20px;
  font-size: 0.85rem;
}

/* ===== Banner Slider ===== */
.banner-slider-section {
  position: relative;
  margin-top: -40px;
  z-index: 10;
}
.banner-slider {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.4), 0 0 60px rgba(96, 165, 250, 0.08);
  border: 1px solid var(--border);
}
.banner-slides {
  position: relative;
  width: 100%;
  height: 380px;
  overflow: hidden;
}
.banner-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease, transform 0.8s ease;
  transform: scale(1.03);
  display: block;
  text-decoration: none;
  overflow: hidden;
}
.banner-slide.active {
  opacity: 1;
  transform: scale(1);
  z-index: 2;
}
.banner-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 6s ease;
}
.banner-slide.active img { transform: scale(1); }
.banner-slide:hover img { transform: scale(1.03); }
.banner-slide-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 32px 36px;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, transparent 100%);
  pointer-events: none;
}
.banner-slide-overlay h3 {
  color: white;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.banner-slide-overlay p {
  color: rgba(255,255,255,0.75);
  font-size: 0.85rem;
  line-height: 1.5;
}
.banner-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  padding: 0;
  line-height: 1;
}
.banner-btn:hover {
  background: rgba(96, 165, 250, 0.7);
  border-color: rgba(96, 165, 250, 0.4);
  transform: translateY(-50%) scale(1.08);
}
.banner-prev { left: 16px; }
.banner-next { right: 16px; }
.banner-dots {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 5;
}
.banner-dot {
  width: 28px;
  height: 3px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  padding: 0;
}
.banner-dot.active {
  background: white;
  width: 40px;
}
.banner-dot:hover { background: rgba(255, 255, 255, 0.65); }

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  animation: bounce-down 2s infinite;
  color: var(--text-muted);
  cursor: pointer;
}
@keyframes bounce-down {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== Business Cards (Homepage 3 Main Businesses) ===== */
.business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.business-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}
.business-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow), 0 20px 60px rgba(0,0,0,0.25);
}
.business-card-cover {
  position: relative;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.business-card-emoji {
  font-size: 4rem;
  filter: drop-shadow(0 8px 24px rgba(0,0,0,0.3));
  animation: float-icon 3s ease-in-out infinite;
}
@keyframes float-icon {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
.business-card-cover-tag {
  position: absolute;
  top: 14px;
  left: 18px;
  padding: 5px 14px;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: white;
}
.card-channel .business-card-cover-tag { color: #22d3ee; }
.card-software .business-card-cover-tag { color: #93c5fd; }
.card-zilaidan .business-card-cover-tag { color: #4ade80; }
.business-card-body {
  padding: 28px 28px 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.business-card-body h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.business-card-body p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}
.business-card .card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}
.business-card .card-tag {
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
}
.card-channel .card-tag { background: rgba(6, 182, 212, 0.12); color: #22d3ee; }
.card-software .card-tag { background: rgba(96, 165, 250, 0.12); color: #93c5fd; }
.card-zilaidan .card-tag { background: rgba(34, 197, 94, 0.12); color: #4ade80; }
.business-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
}
.card-channel .card-link { color: #22d3ee; }
.card-software .card-link { color: #93c5fd; }
.card-zilaidan .card-link { color: #4ade80; }
.business-card:hover .card-link { gap: 10px; }

/* ===== Services / Features ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-1);
  opacity: 0;
  transition: var(--transition);
}
.feature-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius);
  background: rgba(96, 165, 250, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
}
.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.feature-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ===== About Preview ===== */
.about-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-preview-image {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  height: 400px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-preview-image .placeholder-img {
  font-size: 4rem;
  opacity: 0.3;
}
.about-preview-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.about-preview-content h3 {
  font-size: 1rem;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.about-preview-content h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 20px;
}
.about-preview-content p {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 24px;
}
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}
.stat-item { text-align: center; }
.stat-number {
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ===== Products Grid ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.product-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
  display: block;
}
.product-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.product-card-image {
  height: 220px;
  background: linear-gradient(135deg, rgba(96, 165, 250, 0.1), rgba(192, 132, 252, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.product-card-image .placeholder-img {
  font-size: 3rem;
  opacity: 0.3;
}
.product-card-image .category-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  color: var(--text-blue);
}
.product-card-body { padding: 20px; }
.product-card-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.product-card-body p {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== News Grid ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
  display: block;
}
.news-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.news-card-image {
  height: 200px;
  background: linear-gradient(135deg, rgba(192, 132, 252, 0.1), rgba(96, 165, 250, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.news-card-image .placeholder-img {
  font-size: 2.5rem;
  opacity: 0.3;
}
.news-card-body { padding: 24px; }
.news-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.news-card-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
}
.news-card-body p {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== Contact CTA ===== */
.contact-cta {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.contact-cta::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(96, 165, 250, 0.05) 0%, transparent 60%);
  animation: rotate-glow 20s linear infinite;
}
@keyframes rotate-glow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.contact-cta * { position: relative; z-index: 1; }
.contact-cta h2 { font-size: 2rem; font-weight: 800; margin-bottom: 16px; }
.contact-cta p {
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto 32px;
}
.contact-cta .btn { margin: 0 auto; }

/* ===== Footer ===== */
.footer {
  background: rgba(0, 0, 0, 0.4);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}
.footer-brand .logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  text-decoration: none;
  color: var(--text);
}
.footer-brand .logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-1);
  display: flex;
  align-items: center;
  justify-content: center;
}
.footer-brand .logo-icon::after {
  content: '';
  width: 14px;
  height: 14px;
  background: white;
  border-radius: 50%;
}
.footer-brand p {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.7;
  max-width: 300px;
}
.footer h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text);
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--primary); }
.footer-contact p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-bottom {
  padding: 20px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ===== Page Header (Subpages) ===== */
.page-header {
  padding: 140px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-header-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(96, 165, 250, 0.06) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 50%, rgba(192, 132, 252, 0.06) 0%, transparent 50%);
  z-index: 0;
}
.page-header * { position: relative; z-index: 1; }
.page-header h1 {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 12px;
}
.page-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
}
.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--text-muted); text-decoration: none; transition: var(--transition); }
.breadcrumb a:hover { color: var(--primary); }

/* ===== Detail Page ===== */
.detail-page { padding: 0 0 80px; }
.detail-content {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}
.detail-meta {
  display: flex;
  gap: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.detail-image {
  width: 100%;
  height: 360px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(96, 165, 250, 0.1), rgba(192, 132, 252, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 32px;
}
.detail-image .placeholder-img { font-size: 4rem; opacity: 0.3; }
.detail-body h1 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 16px;
}
.detail-body h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 32px 0 16px;
  color: var(--primary);
}
.detail-body p {
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 16px;
}
.detail-body ul, .detail-body ol {
  color: var(--text-muted);
  padding-left: 24px;
  margin-bottom: 16px;
  line-height: 1.9;
}
.detail-body .specs-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}
.detail-body .specs-table th, .detail-body .specs-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.detail-body .specs-table th {
  color: var(--text-blue);
  font-weight: 600;
  width: 30%;
}
.detail-body .specs-table td { color: var(--text-muted); }
.detail-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 32px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}
.detail-back:hover { color: var(--primary); }

/* ===== Categories Filter ===== */
.categories-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 40px;
}
.filter-btn {
  padding: 8px 24px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.85rem;
  font-family: inherit;
  transition: var(--transition);
}
.filter-btn:hover { border-color: var(--primary); color: var(--text); }
.filter-btn.active {
  background: var(--gradient-1);
  border-color: transparent;
  color: white;
}

/* ===== Contact Page ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.contact-info-list { display: flex; flex-direction: column; gap: 24px; }
.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact-info-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: var(--radius);
  background: rgba(96, 165, 250, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.contact-info-item h4 { font-size: 0.9rem; font-weight: 600; margin-bottom: 4px; }
.contact-info-item p { color: var(--text-muted); font-size: 0.9rem; }
.contact-form-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}
.form-control {
  width: 100%;
  padding: 12px 16px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.9rem;
  font-family: inherit;
  transition: var(--transition);
  outline: none;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.1); }
textarea.form-control { min-height: 120px; resize: vertical; }
.form-notice {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 16px;
  text-align: center;
}
.form-success {
  text-align: center;
  padding: 40px;
  display: none;
}
.form-success.show { display: block; }
.form-success-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

/* ===== Loading & Placeholder ===== */
.placeholder-shimmer {
  background: linear-gradient(90deg, rgba(96, 165, 250, 0.05) 25%, rgba(96, 165, 250, 0.1) 50%, rgba(96, 165, 250, 0.05) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 40px auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Scroll Animations ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== Channel Page (充值渠道) ===== */
.channel-hero {
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}
.channel-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(6, 182, 212, 0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 50%, rgba(96, 165, 250, 0.06) 0%, transparent 50%);
}
.channel-hero .container { position: relative; z-index: 1; }
.channel-hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.channel-hero-text h1 {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
}
.channel-hero-text h1 .highlight {
  background: var(--gradient-3);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.channel-hero-text p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 28px;
}
.channel-highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.channel-highlight-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  text-align: center;
}
.channel-highlight-item .number {
  font-size: 1.6rem;
  font-weight: 800;
  background: var(--gradient-3);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.channel-highlight-item .label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Channel Types */
.channel-types-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.channel-type-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.channel-type-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-3);
  opacity: 0;
  transition: var(--transition);
}
.channel-type-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}
.channel-type-card:hover::before { opacity: 1; }
.channel-type-card .type-badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 16px;
}
.type-badge.official { background: rgba(6, 182, 212, 0.15); color: #22d3ee; }
.type-badge.recommend { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }
.channel-type-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.channel-type-card ul {
  list-style: none;
  padding: 0;
}
.channel-type-card ul li {
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
  line-height: 1.6;
}
.channel-type-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.6;
}

/* Agent Pricing Table */
.pricing-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.pricing-table th {
  background: rgba(6, 182, 212, 0.1);
  color: #22d3ee;
  padding: 16px 20px;
  text-align: left;
  font-size: 0.9rem;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}
.pricing-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.9rem;
}
.pricing-table tr:last-child td { border-bottom: none; }
.pricing-table tr:hover td { background: rgba(6, 182, 212, 0.03); }
.pricing-table .price {
  color: #22d3ee;
  font-weight: 700;
}

/* FAQ Accordion */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 18px;
  overflow: hidden;
  transition: all 0.3s ease;
}
.faq-item:hover { border-color: rgba(96,165,250,0.35); }
.faq-item.open {
  border-color: var(--primary);
  box-shadow: 0 4px 24px rgba(96,165,250,0.1), inset 0 1px 0 rgba(255,255,255,0.04);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px;
  cursor: pointer;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  transition: var(--transition);
  user-select: none;
  line-height: 1.5;
}
.faq-question:hover { color: #93c5fd; }
.faq-question .faq-toggle {
  width: 32px;
  height: 32px;
  min-width: 32px;
  border-radius: 50%;
  background: rgba(96,165,250,0.08);
  border: 1px solid rgba(96,165,250,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  color: var(--primary);
  font-weight: 400;
}
.faq-item.open .faq-toggle {
  transform: rotate(45deg);
  background: var(--primary);
  border-color: transparent;
  color: white;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.faq-item.open .faq-answer {
  max-height: 800px;
}
.faq-answer p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 2;
  min-height: 0;
  padding: 8px 28px 26px;
  letter-spacing: 0.02em;
}

/* ===== Software Page (软件产品) ===== */
.software-hero {
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}
.software-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(96, 165, 250, 0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 50%, rgba(192, 132, 252, 0.06) 0%, transparent 50%);
}
.software-hero .container { position: relative; z-index: 1; }
.software-hero-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}
.software-hero-content h1 {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 16px;
}
.software-hero-content p {
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.8;
}

/* Software Product Cards */
.software-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.software-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}
.software-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow), 0 20px 60px rgba(0,0,0,0.25);
}
.software-card-cover {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.software-card-cover .cover-emoji {
  font-size: 3.5rem;
  filter: drop-shadow(0 8px 24px rgba(0,0,0,0.3));
  animation: float-icon 3s ease-in-out infinite;
}
.software-card-cover .cover-tag {
  position: absolute;
  top: 14px;
  left: 18px;
  padding: 5px 14px;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  color: #93c5fd;
}
.software-card-header {
  padding: 28px 28px 0;
}
.software-card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  background: rgba(96, 165, 250, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
}
.software-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.software-card-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 18px;
}
.software-card-price .amount {
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.software-card-price .unit {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.software-card-body {
  padding: 0 28px 24px;
  flex: 1;
}
.software-card-body ul {
  list-style: none;
  padding: 0;
}
.software-card-body ul li {
  color: var(--text-muted);
  font-size: 0.88rem;
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
  line-height: 1.5;
}
.software-card-body ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-green);
  font-weight: 700;
}
.software-card-footer {
  padding: 20px 32px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 12px;
}
.software-card-footer .btn {
  flex: 1;
  justify-content: center;
  padding: 10px 20px;
  font-size: 0.85rem;
}
.software-card.featured {
  border-color: rgba(96, 165, 250, 0.3);
  position: relative;
}
.software-card.featured::after {
  content: '推荐';
  position: absolute;
  top: 16px;
  right: -28px;
  background: var(--gradient-1);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 32px;
  transform: rotate(45deg);
}

/* ===== Zilaidan Page (自来单) ===== */
.zilaidan-hero {
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}
.zilaidan-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(34, 197, 94, 0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 50%, rgba(6, 182, 212, 0.06) 0%, transparent 50%);
}
.zilaidan-hero .container { position: relative; z-index: 1; }
.zilaidan-hero-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}
.zilaidan-hero-content h1 {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 16px;
}
.zilaidan-hero-content h1 .highlight {
  background: var(--gradient-green);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.zilaidan-hero-content p {
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 32px;
}
.zilaidan-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.zilaidan-stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
}
.zilaidan-stat .number {
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--gradient-green);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.zilaidan-stat .label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Flow Steps */
.flow-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  margin: 40px 0;
}
.flow-step {
  text-align: center;
  padding: 24px;
  flex: 1;
  min-width: 140px;
}
.flow-step-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.6rem;
  transition: var(--transition);
}
.flow-step:hover .flow-step-icon {
  border-color: var(--accent-green);
  background: rgba(34, 197, 94, 0.1);
}
.flow-step h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.flow-step p {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.flow-arrow {
  font-size: 1.5rem;
  color: var(--text-muted);
  padding: 0 8px;
}

/* Order Monitor */
.order-monitor {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.order-monitor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  border-bottom: 1px solid var(--border);
}
.order-monitor-header h3 {
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}
.order-monitor-header .live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  animation: pulse-dot 2s infinite;
}
.order-monitor-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.order-column {
  padding: 20px 28px;
}
.order-column:first-child {
  border-right: 1px solid var(--border);
}
.order-column h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-blue);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.order-item {
  padding: 10px 0;
  border-bottom: 1px solid rgba(96, 165, 250, 0.06);
  animation: orderSlideIn 0.5s ease;
}
@keyframes orderSlideIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}
.order-item .order-phone {
  font-weight: 600;
  font-size: 0.88rem;
}
.order-item .order-detail {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}
.order-item .order-profit {
  color: var(--accent-green);
  font-weight: 600;
  font-size: 0.85rem;
}
.order-item .order-time {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Source/Platform Cards */
.source-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.source-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
}
.source-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}
.source-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: rgba(34, 197, 94, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  font-size: 1.2rem;
}
.source-card h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.source-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== Responsive ===== */
@media (max-width: 968px) {
  .features-grid, .products-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
  .business-grid { grid-template-columns: 1fr; }
  .about-preview { grid-template-columns: 1fr; gap: 40px; }
  .about-preview-image { height: 300px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2.5rem; }
  .section-title h2 { font-size: 2rem; }
  .channel-hero-content { grid-template-columns: 1fr; gap: 40px; }
  .channel-types-grid { grid-template-columns: 1fr; }
  .software-grid { grid-template-columns: 1fr; }
  .zilaidan-stats { grid-template-columns: repeat(2, 1fr); }
  .source-grid { grid-template-columns: repeat(2, 1fr); }
  .order-monitor-body { grid-template-columns: 1fr; }
  .order-column:first-child { border-right: none; border-bottom: 1px solid var(--border); }
  .flow-steps { gap: 0; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .mobile-menu-btn { display: block; }
  .features-grid, .products-grid, .news-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
  .page-header h1 { font-size: 2rem; }
  .section-title h2 { font-size: 1.8rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(3, 1fr); }
  .contact-cta { padding: 40px 24px; }
  .detail-content { padding: 24px; }
  .detail-image { height: 220px; }
  .channel-hero-text h1 { font-size: 2rem; }
  .channel-highlights { grid-template-columns: 1fr 1fr; }
  .software-hero-content h1 { font-size: 2rem; }
  .zilaidan-hero-content h1 { font-size: 2rem; }
  .zilaidan-stats { grid-template-columns: 1fr 1fr; }
  .source-grid { grid-template-columns: 1fr 1fr; }
  .flow-step { min-width: 100px; padding: 16px; }
  .banner-slider-section { margin-top: -20px; }
  .banner-slides { height: 220px; }
  .banner-slide-overlay { padding: 20px 18px; }
  .banner-slide-overlay h3 { font-size: 1rem; }
  .banner-slide-overlay p { display: none; }
  .banner-btn { width: 34px; height: 34px; font-size: 1.2rem; }
  .banner-prev { left: 10px; }
  .banner-next { right: 10px; }
}