/* ============================================
   元森映可(北京)文化科技有限公司 - 门户网站样式
   ============================================ */

/* --- CSS Variables --- */
:root {
  --color-primary: #0f1b4c;
  --color-primary-light: #1a2d6d;
  --color-accent: #c8a45c;
  --color-accent-light: #dfc07a;
  --color-blue: #3b6cf5;
  --color-blue-light: #5b86f7;
  --color-bg: #ffffff;
  --color-bg-alt: #f5f6fa;
  --color-bg-dark: #0a1230;
  --color-text: #1a1a2e;
  --color-text-muted: #6b7280;
  --color-text-light: #9ca3af;
  --color-border: #e5e7eb;
  --font-display: 'Noto Serif SC', 'Source Han Serif SC', serif;
  --font-body: 'Noto Sans SC', 'Source Han Sans SC', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --shadow-sm: 0 1px 3px rgba(15, 27, 76, 0.06);
  --shadow-md: 0 4px 16px rgba(15, 27, 76, 0.08);
  --shadow-lg: 0 12px 40px rgba(15, 27, 76, 0.12);
  --shadow-xl: 0 24px 60px rgba(15, 27, 76, 0.16);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

img {
  max-width: 100%;
  display: block;
}

ul, ol { list-style: none; }

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

p { line-height: 1.8; }

/* --- Utility --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  width: 28px;
  height: 2px;
  background: var(--color-accent);
}

.section-title {
  margin-bottom: 20px;
  color: var(--color-primary);
}

.section-desc {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 640px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-primary);
}

.btn-accent:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn-white {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(8px);
}

.btn-white:hover {
  background: rgba(255,255,255,0.25);
  transform: translateY(-2px);
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 24px;
  transition: all var(--transition);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo svg {
  width: 44px;
  height: 44px;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

.logo-text span {
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--color-text-muted);
  display: block;
  letter-spacing: 0.05em;
  margin-top: -2px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding: 4px 0;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav a:hover::after,
.nav a.active::after {
  width: 100%;
}

.nav a:hover {
  color: var(--color-primary);
}

.header-cta {
  padding: 10px 24px;
  font-size: 0.85rem;
}

/* Mobile menu */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, #1a2d6d 50%, #0f1b4c 100%);
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(200,164,92,0.12) 0%, transparent 60%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59,108,245,0.1) 0%, transparent 60%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 30%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text {
  animation: fadeUp 0.8s ease-out;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(200, 164, 92, 0.15);
  border: 1px solid rgba(200, 164, 92, 0.3);
  border-radius: 30px;
  font-size: 0.8rem;
  color: var(--color-accent-light);
  margin-bottom: 28px;
  letter-spacing: 0.05em;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse 2s ease-in-out infinite;
}

.hero h1 {
  color: #fff;
  margin-bottom: 20px;
  font-size: clamp(2.4rem, 4.5vw, 3.4rem);
  line-height: 1.2;
}

.hero h1 .accent {
  color: var(--color-accent);
  position: relative;
}

.hero-desc {
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeUp 0.8s ease-out 0.2s both;
}

.hero-visual-inner {
  position: relative;
  width: 100%;
  max-width: 480px;
  aspect-ratio: 1;
}

.hero-float-card {
  position: absolute;
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  color: #fff;
  animation: float 6s ease-in-out infinite;
}

.hero-float-card.card-1 {
  top: 5%;
  right: 0;
  animation-delay: 0s;
}

.hero-float-card.card-2 {
  bottom: 20%;
  left: 0;
  animation-delay: -2s;
}

.hero-float-card.card-3 {
  bottom: 5%;
  right: 10%;
  animation-delay: -4s;
}

.float-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.float-icon.blue { background: rgba(59,108,245,0.25); }
.float-icon.gold { background: rgba(200,164,92,0.25); }
.float-icon.green { background: rgba(34,197,94,0.25); }

.float-title {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.float-desc {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
}

.hero-center-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(200,164,92,0.2), rgba(59,108,245,0.2));
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.hero-center-icon::before {
  content: '';
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.06);
  animation: spin 20s linear infinite;
}

.hero-center-icon::after {
  content: '';
  position: absolute;
  inset: -40px;
  border-radius: 50%;
  border: 1px dashed rgba(255,255,255,0.04);
  animation: spin 30s linear infinite reverse;
}

.hero-stats {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: -40px auto 0;
  padding: 0 24px;
}

.hero-stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 36px 0;
}

.stat-item {
  text-align: center;
  padding: 0 24px;
  border-right: 1px solid var(--color-border);
}

.stat-item:last-child {
  border-right: none;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}

.stat-number .unit {
  font-size: 1rem;
  color: var(--color-accent);
  margin-left: 2px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* --- Products Section --- */
.products {
  padding: 120px 0;
}

.products-header {
  text-align: center;
  margin-bottom: 64px;
}

.products-header .section-label {
  justify-content: center;
}

.products-header .section-desc {
  margin: 0 auto;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.product-card {
  position: relative;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px 36px;
  transition: all var(--transition);
  overflow: hidden;
  cursor: pointer;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-blue));
  opacity: 0;
  transition: opacity var(--transition);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.product-card:hover::before {
  opacity: 1;
}

.product-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.8rem;
  position: relative;
}

.product-icon.blue {
  background: linear-gradient(135deg, rgba(59,108,245,0.12), rgba(59,108,245,0.04));
  color: var(--color-blue);
}

.product-icon.gold {
  background: linear-gradient(135deg, rgba(200,164,92,0.15), rgba(200,164,92,0.05));
  color: var(--color-accent);
}

.product-icon.purple {
  background: linear-gradient(135deg, rgba(139,92,246,0.12), rgba(139,92,246,0.04));
  color: #8b5cf6;
}

.product-card h3 {
  margin-bottom: 12px;
  color: var(--color-primary);
}

.product-card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  margin-bottom: 24px;
}

.product-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
}

.product-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--color-text);
}

.product-features li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-blue);
  transition: all var(--transition);
}

.product-link:hover {
  gap: 10px;
  color: var(--color-primary);
}

.product-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition);
}

.product-link:hover svg {
  transform: translateX(3px);
}

/* --- About Section --- */
.about {
  padding: 100px 0;
  background: var(--color-bg-alt);
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-image-block {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.about-image-block::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 30px 30px;
}

.about-image-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: rgba(255,255,255,0.8);
  text-align: center;
  padding: 40px;
}

.about-image-content .big-text {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 8px;
}

.about-image-content .sub-text {
  font-size: 1rem;
  color: rgba(255,255,255,0.6);
}

.about-float-badge {
  position: absolute;
  background: #fff;
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
}

.about-float-badge.badge-1 {
  top: -16px;
  right: -16px;
}

.about-float-badge.badge-2 {
  bottom: -16px;
  left: -16px;
}

.badge-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.badge-icon.blue { background: rgba(59,108,245,0.1); color: var(--color-blue); }
.badge-icon.gold { background: rgba(200,164,92,0.12); color: var(--color-accent); }

.badge-text strong {
  display: block;
  font-size: 0.9rem;
  color: var(--color-primary);
}

.badge-text span {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.about-text .section-desc {
  margin-bottom: 32px;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 36px;
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.highlight-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(200,164,92,0.1);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.9rem;
}

.highlight-item h4 {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 2px;
}

.highlight-item p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* --- CTA Section --- */
.cta-section {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, #1a2d6d 100%);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(200,164,92,0.1) 0%, transparent 60%);
}

.cta-inner {
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-inner h2 {
  color: #fff;
  margin-bottom: 16px;
}

.cta-inner .section-desc {
  color: rgba(255,255,255,0.65);
  margin: 0 auto 36px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
}

/* --- Footer --- */
.footer {
  background: var(--color-bg-dark);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .logo {
  margin-bottom: 20px;
}

.footer-brand .logo-text {
  color: #fff;
}

.footer-brand .logo-text span {
  color: rgba(255,255,255,0.4);
}

.footer-brand p {
  color: rgba(255,255,255,0.5);
  font-size: 0.88rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer-col h4 {
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  padding: 4px 0;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  color: rgba(255,255,255,0.35);
  font-size: 0.8rem;
}

.footer-bottom a {
  color: rgba(255,255,255,0.35);
  font-size: 0.8rem;
  transition: color var(--transition);
}

.footer-bottom a:hover {
  color: var(--color-accent);
}

/* --- Product Page Hero --- */
.page-hero {
  position: relative;
  padding: 160px 0 80px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.page-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.page-hero-text .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 24px;
}

.page-hero-text .breadcrumb a {
  color: rgba(255,255,255,0.5);
}

.page-hero-text .breadcrumb a:hover {
  color: var(--color-accent);
}

.page-hero-text .breadcrumb .sep {
  color: rgba(255,255,255,0.3);
}

.page-hero-text h1 {
  color: #fff;
  margin-bottom: 16px;
}

.page-hero-text .hero-desc {
  color: rgba(255,255,255,0.7);
  font-size: 1.05rem;
  margin-bottom: 28px;
}

.page-hero-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.page-hero-tags .tag {
  padding: 6px 14px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 20px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.7);
}

.page-hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.product-hero-illustration {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 1;
  position: relative;
}

.product-hero-illustration .center-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
}

.product-hero-illustration .orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.06);
}

.product-hero-illustration .orbit-1 {
  width: 280px;
  height: 280px;
  transform: translate(-50%, -50%);
}

.product-hero-illustration .orbit-2 {
  width: 380px;
  height: 380px;
  transform: translate(-50%, -50%);
  border-style: dashed;
  animation: spin 40s linear infinite;
}

.product-hero-illustration .node {
  position: absolute;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  animation: float 5s ease-in-out infinite;
}

/* --- Feature Sections --- */
.features-section {
  padding: 100px 0;
}

.features-section.alt-bg {
  background: var(--color-bg-alt);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.feature-card {
  padding: 32px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.feature-card .icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.feature-card .icon.blue { background: rgba(59,108,245,0.1); color: var(--color-blue); }
.feature-card .icon.gold { background: rgba(200,164,92,0.1); color: var(--color-accent); }
.feature-card .icon.purple { background: rgba(139,92,246,0.1); color: #8b5cf6; }
.feature-card .icon.green { background: rgba(34,197,94,0.1); color: #22c55e; }
.feature-card .icon.rose { background: rgba(244,63,94,0.1); color: #f43f5e; }
.feature-card .icon.cyan { background: rgba(6,182,212,0.1); color: #06b6d4; }

.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: var(--color-primary);
}

.feature-card p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* --- Scenario Section --- */
.scenarios {
  padding: 100px 0;
  background: var(--color-bg-alt);
}

.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.scenario-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  gap: 20px;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.scenario-card:hover {
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.scenario-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
  color: #fff;
}

.scenario-card h4 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.scenario-card p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* --- Advantages Section --- */
.advantages {
  padding: 100px 0;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.advantage-card {
  text-align: center;
  padding: 36px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.advantage-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.advantage-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 8px;
  line-height: 1;
}

.advantage-card h4 {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.advantage-card p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* --- Animations --- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes spin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* --- Scroll Reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-desc { margin: 0 auto 36px; }
  .hero-actions { justify-content: center; }
  .hero-visual { display: none; }

  .hero-stats-inner { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .stat-item:nth-child(1),
  .stat-item:nth-child(2) { border-bottom: 1px solid var(--color-border); padding-bottom: 24px; }

  .products-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }

  .about-inner { grid-template-columns: 1fr; }
  .about-visual { order: -1; }

  .footer-grid { grid-template-columns: 1fr 1fr; }

  .page-hero-inner { grid-template-columns: 1fr; text-align: center; }
  .page-hero-visual { display: none; }
  .page-hero-tags { justify-content: center; }

  .features-grid { grid-template-columns: 1fr; max-width: 480px; margin: 48px auto 0; }
  .scenarios-grid { grid-template-columns: 1fr; }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .header-cta { display: none; }
  .mobile-toggle { display: flex; }

  .hero { min-height: auto; padding: 120px 0 80px; }

  .hero-stats-inner {
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }

  .about-highlights { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .cta-actions { flex-direction: column; align-items: center; }
}