/* ============================================
   三角洲行动辅助 - 全局共享样式
   赛博朋克暗金主题 · Cyberpunk Dark Gold
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  --bg-deep: #0a0a0f;
  --bg-card: rgba(14, 14, 24, 0.88);
  --bg-card-hover: rgba(20, 20, 35, 0.95);
  --bg-glass: rgba(14, 14, 24, 0.72);
  --border-glow: rgba(212, 175, 55, 0.35);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --gold: #d4af37;
  --gold-light: #f0d060;
  --gold-bright: #ffe066;
  --red-accent: #e63946;
  --red-glow: rgba(230, 57, 70, 0.4);
  --purple: #7b2ff7;
  --purple-deep: #4a0e8f;
  --purple-glow: rgba(123, 47, 247, 0.35);
  --text-primary: #eaeaea;
  --text-secondary: #a0a0b0;
  --text-muted: #6b6b7b;
  --gradient-hero: linear-gradient(135deg, #1a0a2e 0%, #16213e 40%, #0f3460 100%);
  --gradient-gold: linear-gradient(135deg, #d4af37 0%, #f0d060 50%, #d4af37 100%);
  --gradient-btn: linear-gradient(135deg, #d4af37 0%, #b8860b 100%);
  --gradient-btn-hover: linear-gradient(135deg, #f0d060 0%, #d4af37 100%);
  --gradient-red: linear-gradient(135deg, #e63946 0%, #b5202d 100%);
  --gradient-purple: linear-gradient(135deg, #7b2ff7 0%, #4a0e8f 100%);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.6), 0 0 1px rgba(212, 175, 55, 0.2);
  --shadow-glow-gold: 0 0 20px rgba(212, 175, 55, 0.3), 0 0 60px rgba(212, 175, 55, 0.1);
  --shadow-glow-purple: 0 0 20px rgba(123, 47, 247, 0.3);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-pill: 9999px;
  --sidebar-width: 260px;
  --header-height: 70px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-brand h1 {
  display: none;
}

.logo-img {
  height: 60px;
  width: auto;
}

.sidebar-tagline {
  font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-align: center;
  margin: 0;
  line-height: 1.3;
}

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

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

body {
  font-family: "Microsoft YaHei", "PingFang SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-deep);
  background-image: url('../image/bj.jpg');
  background-size: cover;
  background-attachment: fixed;
  background-position: center;
  min-height: 100vh;
  line-height: 1.7;
  overflow-x: hidden;
}

/* dark overlay on bg image */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 10, 15, 0.85) 0%, rgba(10, 10, 15, 0.75) 50%, rgba(10, 10, 15, 0.9) 100%);
  z-index: 0;
  pointer-events: none;
}

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

a:hover {
  color: var(--gold-light);
}

img {
  max-width: 100%;
  height: auto;
}

/* ---------- Layout: Sidebar + Content ---------- */
.page-layout {
  display: flex;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* ---------- Sidebar ---------- */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: linear-gradient(180deg, rgba(14, 14, 24, 0.96) 0%, rgba(10, 5, 20, 0.98) 100%);
  border-right: 1px solid var(--border-glow);
  display: flex;
  flex-direction: column;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.sidebar-brand {
  padding: 28px 24px 20px;
  border-bottom: 1px solid var(--border-subtle);
  text-align: center;
}

.sidebar-brand h1 {
  font-size: 1.15rem;
  font-weight: 800;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.4;
  letter-spacing: 0.5px;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 0;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 28px;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
  border-left: 3px solid transparent;
  position: relative;
}

.sidebar-nav a::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(212, 175, 55, 0.08) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition);
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  color: var(--gold-light);
  border-left-color: var(--gold);
}

.sidebar-nav a:hover::before,
.sidebar-nav a.active::before {
  opacity: 1;
}

.sidebar-nav a .nav-icon {
  font-size: 1.25rem;
  width: 28px;
  text-align: center;
}

.sidebar-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ---------- Mobile Header (hidden on desktop) ---------- */
.mobile-header {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(10, 10, 15, 0.95);
  border-bottom: 1px solid var(--border-glow);
  z-index: 200;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.mobile-header .brand {
  font-size: 1rem;
  font-weight: 800;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  z-index: 300;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gold);
  transition: all var(--transition);
}

.hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 99;
}

/* ---------- Main Content ---------- */
.content-area {
  margin-left: var(--sidebar-width);
  flex: 1;
  padding: 40px 48px 60px;
  min-height: 100vh;
}

/* ---------- Glass Card ---------- */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius);
  padding: 40px;
  margin-bottom: 32px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card);
  transition: all var(--transition);
}

.glass-card:hover {
  border-color: rgba(212, 175, 55, 0.5);
  box-shadow: var(--shadow-card), var(--shadow-glow-gold);
}

/* ---------- Section Headings ---------- */
.section-title {
  font-size: 2rem;
  font-weight: 900;
  text-align: center;
  margin-bottom: 32px;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  padding-bottom: 16px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--gradient-gold);
  border-radius: 2px;
  box-shadow: 0 0 12px rgba(212, 175, 55, 0.5);
}

.section-title-sm {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--gold);
  margin-bottom: 20px;
}

/* ---------- Hero Section ---------- */
.hero-section {
  text-align: center;
  padding: 48px 0 40px;
  margin-bottom: 0;
}

.hero-section h2 {
  font-size: 2.6rem;
  font-weight: 900;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 20px;
  line-height: 1.3;
}

.hero-section p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 800px;
  margin: 0 auto 32px;
  line-height: 1.9;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.4;
}

.btn-gold {
  background: var(--gradient-btn);
  color: #0a0a0f;
  box-shadow: 0 4px 20px rgba(212, 175, 55, 0.4);
}

.btn-gold:hover {
  background: var(--gradient-btn-hover);
  box-shadow: 0 6px 30px rgba(212, 175, 55, 0.6);
  color: #0a0a0f;
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  background: rgba(212, 175, 55, 0.1);
  color: var(--gold-light);
  transform: translateY(-2px);
}

.btn-red {
  background: var(--gradient-red);
  color: white;
  box-shadow: 0 4px 20px var(--red-glow);
}

.btn-red:hover {
  box-shadow: 0 6px 30px rgba(230, 57, 70, 0.6);
  transform: translateY(-2px);
  color: white;
}

.btn-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Feature Grid ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-gold);
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(212, 175, 55, 0.6);
  box-shadow: var(--shadow-card), var(--shadow-glow-gold);
}

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

.feature-card .card-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: block;
}

.feature-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---------- Platform Grid ---------- */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 20px;
}

.platform-item {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-sm);
  padding: 28px 20px;
  text-align: center;
  transition: all var(--transition);
}

.platform-item:hover {
  border-color: var(--purple);
  box-shadow: var(--shadow-glow-purple);
  transform: translateY(-4px);
}

.platform-item .platform-icon {
  font-size: 2.5rem;
  margin-bottom: 10px;
  display: block;
}

.platform-item p {
  font-weight: 600;
  color: var(--text-primary);
}

/* ---------- Checklist ---------- */
.checklist {
  list-style: none;
  padding: 0;
}

.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.checklist li:last-child {
  border-bottom: none;
}

.checklist .check-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.15);
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  margin-top: 2px;
}

.checklist h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 6px;
}

.checklist p {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* ---------- Quick Links Grid ---------- */
.quick-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}

.quick-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-sm);
  padding: 28px 20px;
  text-align: center;
  transition: all var(--transition);
  text-decoration: none;
  color: var(--text-primary);
}

.quick-card:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-glow-gold);
  transform: translateY(-4px);
  color: var(--text-primary);
}

.quick-card .quick-icon {
  font-size: 2.2rem;
  margin-bottom: 12px;
  display: block;
}

.quick-card .quick-title {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--gold);
  margin-bottom: 6px;
}

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

/* ---------- Disclaimer ---------- */
.disclaimer {
  background: rgba(230, 57, 70, 0.08);
  border: 1px solid rgba(230, 57, 70, 0.25);
  border-radius: var(--radius-sm);
  padding: 20px 28px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.disclaimer strong {
  color: var(--red-accent);
}

/* ---------- Footer ---------- */
.site-footer {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  padding: 24px 0;
  margin-top: 20px;
  border-top: 1px solid var(--border-subtle);
}

.site-footer a {
  color: var(--gold);
}

/* ---------- FAQ Sections ---------- */
.faq-item {
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border-subtle);
}

.faq-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.faq-item h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 10px;
  padding-left: 16px;
  border-left: 3px solid var(--gold);
}

.faq-item p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  padding-left: 19px;
}

/* ---------- Contact Card ---------- */
.contact-card {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.08) 0%, rgba(123, 47, 247, 0.06) 100%);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius);
  padding: 36px;
  margin: 28px 0;
}

.contact-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.contact-row:last-child {
  border-bottom: none;
}

.contact-row strong {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.contact-row span {
  font-size: 1.3rem;
  color: var(--gold-light);
  font-weight: 700;
}

/* ---------- Pricing Table ---------- */
.pricing-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.95rem;
}

.pricing-table th {
  background: rgba(212, 175, 55, 0.12);
  color: var(--gold);
  font-weight: 700;
  padding: 14px 18px;
  text-align: left;
  border-bottom: 2px solid var(--border-glow);
}

.pricing-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.pricing-table tr:hover td {
  background: rgba(212, 175, 55, 0.04);
}

.pricing-table .price {
  color: var(--gold-light);
  font-weight: 700;
  font-size: 1.1rem;
}

.pricing-table .recommended td {
  background: rgba(212, 175, 55, 0.06);
}

/* ---------- Steps ---------- */
.steps {
  max-width: 600px;
  margin: 0 auto;
}

.step-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 28px;
}

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

.step-num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-gold);
  color: var(--bg-deep);
  font-weight: 800;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px rgba(212, 175, 55, 0.4);
}

.step-item h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 4px;
}

.step-item p {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* ---------- Notes List ---------- */
.notes-list {
  list-style: none;
  padding: 0;
  max-width: 600px;
  margin: 0 auto;
}

.notes-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.notes-list .note-check {
  color: var(--gold);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ---------- Sitemap Links ---------- */
.sitemap-list {
  list-style: none;
  padding: 0;
}

.sitemap-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.sitemap-list li:last-child {
  border-bottom: none;
}

.sitemap-list a {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all var(--transition);
}

.sitemap-list a:hover {
  color: var(--gold-light);
  padding-left: 8px;
}

.sitemap-list .link-arrow {
  color: var(--gold);
  transition: transform var(--transition);
}

.sitemap-list a:hover .link-arrow {
  transform: translateX(4px);
}

/* ---------- Zoomable Images ---------- */
.zoomable {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: zoom-in;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border-glow);
}

.zoomable:hover {
  transform: scale(1.1);
  z-index: 10;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.7), var(--shadow-glow-gold);
}

/* ---------- Image Grid ---------- */
.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

/* ---------- Service Promise List ---------- */
.promise-list {
  list-style: none;
  padding: 0;
}

.promise-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.promise-list li:last-child {
  border-bottom: none;
}

.promise-list .check {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.15);
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  margin-top: 1px;
}

.promise-list strong {
  color: var(--gold);
}

/* ---------- Buy Button ---------- */
.btn-buy {
  display: block;
  max-width: 280px;
  margin: 28px auto 0;
  background: var(--gradient-btn);
  color: var(--bg-deep);
  font-weight: 700;
  text-align: center;
  padding: 16px 0;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 20px rgba(212, 175, 55, 0.5);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  font-size: 1.1rem;
}

.btn-buy:hover {
  background: var(--gradient-btn-hover);
  box-shadow: 0 6px 30px rgba(212, 175, 55, 0.7);
  transform: translateY(-2px);
  color: var(--bg-deep);
}

/* ---------- Features Detail Section ---------- */
.feature-detail {
  margin-bottom: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--border-subtle);
}

.feature-detail:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.feature-detail h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.feature-detail p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.feature-detail ul {
  list-style: none;
  padding: 0;
  margin-top: 10px;
}

.feature-detail ul li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.feature-detail ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}

/* ---------- Q&A Section (features page) ---------- */
.qa-item {
  margin-bottom: 24px;
}

.qa-item strong {
  display: block;
  color: var(--gold);
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.qa-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  padding-left: 16px;
  border-left: 2px solid rgba(212, 175, 55, 0.3);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform var(--transition);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .mobile-header {
    display: flex;
  }

  .sidebar-overlay.show {
    display: block;
  }

  .content-area {
    margin-left: 0;
    padding: calc(var(--header-height) + 20px) 20px 40px;
  }
}

@media (max-width: 640px) {
  .content-area {
    padding: calc(var(--header-height) + 16px) 16px 32px;
  }

  .glass-card {
    padding: 24px 20px;
  }

  .hero-section h2 {
    font-size: 1.8rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

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

  .platform-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .btn-group {
    flex-direction: column;
    align-items: center;
  }

  .image-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.glass-card,
.feature-card,
.platform-item,
.quick-card {
  animation: fadeInUp 0.5s ease both;
}

.glass-card:nth-child(2) { animation-delay: 0.1s; }
.glass-card:nth-child(3) { animation-delay: 0.2s; }
.glass-card:nth-child(4) { animation-delay: 0.3s; }

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-deep);
}

::-webkit-scrollbar-thumb {
  background: rgba(212, 175, 55, 0.3);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(212, 175, 55, 0.5);
}