/* =============================================
   app-aifanyi.com.cn - 紫色AI科技风格
   ============================================= */

:root {
  --primary: #7c3aed;
  --primary-dark: #6d28d9;
  --primary-light: #8b5cf6;
  --accent: #c084fc;
  --purple: #a855f7;
  --blue: #3b82f6;
  --cyan: #06b6d4;
  --dark: #090517;
  --dark-2: #110d2e;
  --dark-3: #1a1438;
  --dark-4: #231a4a;
  --white: #ffffff;
  --gray: #94a3b8;
  --light: #f5f3ff;
  --border: rgba(124,58,237,0.12);
  --gradient-hero: linear-gradient(135deg, #090517 0%, #110d2e 50%, #1a0a35 100%);
  --gradient-primary: linear-gradient(135deg, #7c3aed, #8b5cf6);
  --gradient-purple: linear-gradient(135deg, #6d28d9, #a855f7);
  --gradient-glow: radial-gradient(ellipse at center, rgba(139,92,246,0.15) 0%, transparent 70%);
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 40px rgba(139,92,246,0.15);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  color: #e2e8f0;
  background: var(--dark);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 900px; margin: 0 auto; padding: 0 24px; }

/* ========== HEADER ========== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 40px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(9,5,23,0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.125rem;
  font-weight: 800;
  text-decoration: none;
  color: #fff;
}

.logo-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 4px 14px rgba(124,58,237,0.3);
}

.logo-text {
  background: linear-gradient(90deg, #c084fc, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav a {
  padding: 8px 18px;
  font-size: 0.9rem;
  font-weight: 500;
  color: #94a3b8;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.2s;
}

.nav a:hover { color: #fff; background: rgba(255,255,255,0.05); }
.nav a.active { color: #c084fc; }

.nav-download {
  padding: 9px 22px !important;
  background: var(--gradient-primary) !important;
  color: #fff !important;
  font-weight: 700;
  margin-left: 8px;
  border-radius: 10px !important;
  box-shadow: 0 4px 14px rgba(124,58,237,0.3) !important;
  transition: transform 0.2s, box-shadow 0.2s !important;
}

.nav-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(124,58,237,0.45) !important;
  color: #fff !important;
}

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--gradient-hero);
  padding-top: 68px;
}

.hero-glow {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-glow::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(139,92,246,0.18) 0%, transparent 65%);
  animation: glow-pulse 8s ease-in-out infinite;
}

.hero-glow::after {
  content: '';
  position: absolute;
  bottom: -15%;
  left: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(6,182,212,0.1) 0%, transparent 65%);
  animation: glow-pulse 10s ease-in-out infinite reverse;
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.15); }
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(139,92,246,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139,92,246,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 24px;
}

.hero-left { max-width: 560px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(124,58,237,0.12);
  border: 1px solid rgba(124,58,237,0.2);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: #c084fc;
  margin-bottom: 28px;
}

.badge-pulse {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #8b5cf6;
  animation: dot-pulse 2s infinite;
}

@keyframes dot-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(139,92,246,0.4); }
  50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(139,92,246,0); }
}

.hero h1 {
  font-size: 2.75rem;
  font-weight: 900;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, #c084fc, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.0625rem;
  color: #94a3b8;
  line-height: 1.8;
  margin-bottom: 36px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 0.9375rem;
  font-weight: 700;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(124,58,237,0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(124,58,237,0.5);
  color: #fff;
}

.btn-ghost {
  background: rgba(255,255,255,0.06);
  color: #e2e8f0;
  border: 1px solid rgba(255,255,255,0.1);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}

.hero-stats {
  display: flex;
  gap: 32px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.hero-stat-num {
  font-size: 1.75rem;
  font-weight: 900;
  background: linear-gradient(90deg, #c084fc, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.8rem;
  color: #64748b;
  margin-top: 6px;
}

/* Hero right - feature cards */
.hero-right { display: flex; flex-direction: column; gap: 12px; }

.feature-card-h {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 14px;
  transition: all 0.25s;
}

.feature-card-h:hover {
  background: rgba(124,58,237,0.08);
  border-color: rgba(124,58,237,0.2);
  transform: translateX(6px);
}

.fch-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.fch-p { background: rgba(124,58,237,0.15); color: #c084fc; }
.fch-b { background: rgba(59,130,246,0.12); color: #60a5fa; }
.fch-c { background: rgba(6,182,212,0.12); color: #22d3ee; }
.fch-g { background: rgba(34,197,94,0.1); color: #4ade80; }
.fch-y { background: rgba(245,158,11,0.1); color: #fbbf24; }
.fch-r { background: rgba(239,68,68,0.1); color: #f87171; }

.fch-name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: #f1f5f9;
  margin-bottom: 2px;
}

.fch-desc {
  font-size: 0.8rem;
  color: #64748b;
}

.fch-tag {
  padding: 3px 10px;
  background: rgba(124,58,237,0.1);
  color: #c084fc;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 100px;
  border: 1px solid rgba(124,58,237,0.15);
  flex-shrink: 0;
}

/* ========== SECTION ========== */
.section { padding: 100px 0; }
.section-dark { background: var(--dark-2); }
.section-darker { background: var(--dark); }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  color: #c084fc;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  width: 20px; height: 2px;
  background: #7c3aed;
  border-radius: 1px;
}

.section-title {
  font-size: 2.125rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1rem;
  color: #94a3b8;
  max-width: 600px;
  margin-bottom: 56px;
}

/* ========== STATS ========== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.stat-card {
  text-align: center;
  padding: 36px 20px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 20px;
  transition: all 0.3s;
}

.stat-card:hover {
  background: rgba(124,58,237,0.06);
  border-color: rgba(124,58,237,0.2);
  transform: translateY(-4px);
}

.stat-num {
  font-size: 2.5rem;
  font-weight: 900;
  background: linear-gradient(90deg, #c084fc, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.875rem;
  color: #64748b;
  font-weight: 500;
}

/* ========== FEATURES ========== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  padding: 32px 28px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 20px;
  transition: all 0.3s;
}

.feature-card:hover {
  background: rgba(124,58,237,0.06);
  border-color: rgba(124,58,237,0.2);
  transform: translateY(-4px);
}

.feature-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.0625rem;
  font-weight: 800;
  color: #f1f5f9;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.875rem;
  color: #64748b;
  line-height: 1.7;
  margin: 0;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 700;
  color: #c084fc;
  text-decoration: none;
  margin-top: 14px;
  transition: gap 0.2s;
}

.card-link:hover { gap: 10px; color: #8b5cf6; }

/* ========== ADVANTAGES ========== */
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.advantage-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px;
  transition: all 0.25s;
}

.advantage-item:hover {
  background: rgba(124,58,237,0.06);
  border-color: rgba(124,58,237,0.2);
  transform: translateX(4px);
}

.adv-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
  background: rgba(124,58,237,0.1);
  color: #c084fc;
}

.adv-text h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: #f1f5f9;
  margin-bottom: 4px;
}

.adv-text p {
  font-size: 0.8125rem;
  color: #64748b;
  margin: 0;
  line-height: 1.6;
}

/* ========== BLOG / NEWS ========== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.blog-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  border-color: rgba(124,58,237,0.25);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.blog-img {
  height: 180px;
  overflow: hidden;
  background: linear-gradient(135deg, #110d2e, #1a0a35);
}

.blog-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.blog-body {
  padding: 20px 24px;
  flex: 1;
}

.blog-tag {
  display: inline-block;
  padding: 3px 10px;
  background: rgba(124,58,237,0.12);
  color: #c084fc;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 100px;
  margin-bottom: 10px;
}

.blog-card h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: #f1f5f9;
  margin-bottom: 10px;
  line-height: 1.5;
}

.blog-card p {
  font-size: 0.8125rem;
  color: #64748b;
  margin-bottom: 12px;
  line-height: 1.65;
}

.blog-meta {
  display: flex;
  gap: 16px;
  font-size: 0.78rem;
  color: #475569;
  margin-top: auto;
}

/* ========== REVIEWS ========== */
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.review-card {
  padding: 28px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  transition: all 0.3s;
}

.review-card:hover {
  background: rgba(124,58,237,0.05);
  border-color: rgba(124,58,237,0.15);
}

.review-stars { color: #fbbf24; font-size: 14px; margin-bottom: 12px; }

.review-text {
  font-size: 0.875rem;
  color: #94a3b8;
  line-height: 1.75;
  margin-bottom: 16px;
}

.review-author {
  font-size: 0.8125rem;
  font-weight: 700;
  color: #e2e8f0;
}

/* ========== STEPS ========== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 15%;
  right: 15%;
  height: 2px;
  background: linear-gradient(90deg, #7c3aed, #8b5cf6, #a855f7);
  z-index: 0;
}

.step-card {
  text-align: center;
  padding: 36px 24px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 20px;
  position: relative;
  z-index: 1;
}

.step-num {
  width: 52px; height: 52px;
  background: var(--gradient-primary);
  color: #fff;
  font-size: 1.25rem;
  font-weight: 900;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 4px 20px rgba(124,58,237,0.3);
}

.step-card h3 {
  font-size: 1rem;
  font-weight: 800;
  color: #f1f5f9;
  margin-bottom: 10px;
}

.step-card p {
  font-size: 0.875rem;
  color: #64748b;
  line-height: 1.7;
  margin: 0;
}

/* ========== FAQ ========== */
.faq-list { display: flex; flex-direction: column; gap: 10px; }

.faq-item {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.2s;
}

.faq-item:hover { border-color: rgba(124,58,237,0.2); }

summary {
  list-style: none;
  padding: 18px 24px;
  font-weight: 600;
  color: #e2e8f0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9375rem;
}

summary::-webkit-details-marker { display: none; }

summary::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 400;
  color: #64748b;
  transition: transform 0.2s;
  flex-shrink: 0;
}

details[open] summary::after { transform: rotate(45deg); color: #c084fc; }

.faq-answer {
  padding: 0 24px 18px;
  color: #94a3b8;
  font-size: 0.9rem;
  line-height: 1.8;
}

.faq-answer p { margin-bottom: 10px; }
.faq-answer p:last-child { margin: 0; }
.faq-answer ul, .faq-answer ol { padding-left: 20px; margin: 10px 0; }

/* ========== PAGE HERO ========== */
.page-hero {
  position: relative;
  padding: 160px 0 80px;
  background: var(--gradient-hero);
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(139,92,246,0.08) 0%, transparent 65%);
}

/* ========== DL STATS ========== */
.dl-stat-row {
  display: flex;
  gap: 24px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.dl-stat {
  text-align: center;
  padding: 14px 24px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 12px;
}

.dl-stat-num {
  font-size: 1.5rem;
  font-weight: 900;
  background: linear-gradient(90deg, #c084fc, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.dl-stat-label {
  font-size: 0.78rem;
  color: #64748b;
  margin-top: 4px;
}

/* ========== PLATFORM CARDS ========== */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.dl-card {
  display: flex;
  gap: 20px;
  padding: 28px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 20px;
  transition: all 0.3s;
  align-items: flex-start;
}

.dl-card:hover {
  background: rgba(124,58,237,0.05);
  border-color: rgba(124,58,237,0.2);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.25);
}

.dl-icon {
  width: 60px; height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  flex-shrink: 0;
}

.dl-icon-w { background: rgba(59,130,246,0.12); color: #60a5fa; }
.dl-icon-m { background: rgba(107,114,128,0.12); color: #9ca3af; }
.dl-icon-a { background: rgba(124,58,237,0.12); color: #c084fc; }
.dl-icon-l { background: rgba(6,182,212,0.12); color: #22d3ee; }

.dl-info { flex: 1; }

.dl-info h3 {
  font-size: 1.0625rem;
  font-weight: 800;
  color: #f1f5f9;
  margin-bottom: 8px;
}

.dl-info p {
  font-size: 0.875rem;
  color: #64748b;
  margin-bottom: 14px;
  line-height: 1.6;
}

.dl-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.dl-tag {
  padding: 3px 10px;
  background: rgba(255,255,255,0.05);
  color: #94a3b8;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.06);
}

.dl-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  font-size: 0.875rem;
  font-weight: 700;
  background: var(--gradient-primary);
  color: #fff;
  border-radius: 10px;
  text-decoration: none;
  transition: all 0.2s;
  box-shadow: 0 4px 14px rgba(124,58,237,0.25);
}

.dl-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(124,58,237,0.35);
  color: #fff;
}

.dl-btn-outline {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: none;
  margin-left: 8px;
}

.dl-btn-outline:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.2);
  box-shadow: none;
}

/* ========== HELP SECTIONS ========== */
.help-section {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 20px;
  padding: 40px;
  margin-bottom: 24px;
}

.help-section h2 {
  font-size: 1.25rem;
  font-weight: 800;
  color: #f1f5f9;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.help-section h2 .num {
  width: 32px; height: 32px;
  background: var(--gradient-primary);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 900;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.help-section p, .help-section li {
  color: #94a3b8;
  font-size: 0.9375rem;
  line-height: 1.8;
}

.help-section ol { padding-left: 20px; margin: 12px 0; }
.help-section li { margin-bottom: 8px; }

/* ========== ARTICLE ========== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 20px 0;
  font-size: 0.875rem;
  color: #64748b;
}

.breadcrumb a { color: #64748b; text-decoration: none; }
.breadcrumb a:hover { color: #c084fc; }
.breadcrumb span { color: #c084fc; }

.article { max-width: 800px; margin: 0 auto; }

.article-header {
  padding: 60px 0 40px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 40px;
}

.article-header h1 {
  font-size: 2rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.article-meta {
  display: flex;
  gap: 20px;
  font-size: 0.875rem;
  color: #64748b;
}

.article-content h2 {
  font-size: 1.5rem;
  font-weight: 800;
  color: #f1f5f9;
  margin-top: 48px;
  margin-bottom: 16px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.article-content h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: #e2e8f0;
  margin-top: 28px;
  margin-bottom: 12px;
}

.article-content p {
  color: #94a3b8;
  line-height: 1.85;
  margin-bottom: 16px;
}

.article-content ul, .article-content ol {
  margin-bottom: 16px;
  padding-left: 24px;
  color: #94a3b8;
}

.article-content li { margin-bottom: 8px; line-height: 1.7; }
.article-content strong { color: #e2e8f0; }
.article-content a { color: #c084fc; }
.article-content a:hover { color: #8b5cf6; }

code {
  background: rgba(124,58,237,0.1);
  color: #c084fc;
  padding: 2px 8px;
  border-radius: 4px;
  font-family: 'Fira Code', Consolas, monospace;
  font-size: 0.875em;
}

pre {
  background: #07030f;
  color: #e2e8f0;
  padding: 24px;
  border-radius: 12px;
  overflow-x: auto;
  margin-bottom: 24px;
  font-family: 'Fira Code', Consolas, monospace;
  font-size: 0.8125rem;
  line-height: 1.7;
  border: 1px solid rgba(124,58,237,0.1);
}

pre code { background: none; color: inherit; padding: 0; }

/* ========== FOOTER ========== */
.footer {
  background: #06030e;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: 0.875rem;
  color: #475569;
  margin-top: 14px;
  line-height: 1.7;
}

.footer h4 {
  color: #f1f5f9;
  font-size: 0.875rem;
  margin-bottom: 18px;
}

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 12px; }

.footer-links a {
  color: #64748b;
  font-size: 0.875rem;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover { color: #c084fc; }

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  color: #475569;
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a { color: #475569; text-decoration: none; }
.footer-bottom-links a:hover { color: #c084fc; }

/* ========== UTILS ========== */
.text-center { text-align: center; }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-right { display: grid; grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .section-title { font-size: 1.625rem; }
  .feature-grid { grid-template-columns: 1fr; }
  .advantage-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .steps-grid::before { display: none; }
  .review-grid { grid-template-columns: 1fr; }
  .platform-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .nav { display: none; }
  .header { padding: 0 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .hero-stats { gap: 20px; flex-wrap: wrap; }
  .hero-right { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.625rem; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: #1a1438; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #231a4a; }