:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --accent: #06b6d4;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --purple: #8b5cf6;
  --orange: #f97316;
  --green: #22c55e;
  --red: #ef4444;
  --teal: #14b8a6;

  --text-900: #0f172a;
  --text-800: #1e293b;
  --text-700: #334155;
  --text-600: #475569;
  --text-500: #64748b;
  --text-400: #94a3b8;
  --text-300: #cbd5e1;
  --text-200: #e2e8f0;
  --text-100: #f1f5f9;
  --text-50: #f8fafc;
  --text-white: #ffffff;

  --bg-50: #f8fafc;
  --bg-100: #f1f5f9;
  --bg-dark: #0f172a;
  --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-blue: 0 10px 40px -10px rgba(37, 99, 235, 0.5);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-800);
  background: var(--text-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

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

/* ==== Header & Nav ==== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--text-100);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 22px; }
.logo-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 22px; font-weight: bold;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}
.logo-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-menu { display: flex; align-items: center; gap: 8px; }
.nav-menu li a {
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-700);
  font-size: 15px;
  font-weight: 500;
}
.nav-menu li a:hover { color: var(--primary); background: var(--text-100); }

.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-800);
  border-radius: 2px;
  transition: var(--transition);
}

/* ==== Buttons ==== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: var(--transition);
  cursor: pointer;
  border: 1.5px solid transparent;
  white-space: nowrap;
}
.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-block { width: 100%; }

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37, 99, 235, 0.5); }

.btn-secondary {
  background: var(--text-100);
  color: var(--text-800);
}
.btn-secondary:hover { background: var(--text-200); transform: translateY(-2px); }

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; }

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

/* ==== Hero Section ==== */
.hero {
  position: relative;
  padding: 80px 0 100px;
  background: linear-gradient(180deg, #eff6ff 0%, #ffffff 100%);
  overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; overflow: hidden; z-index: 0; }
.hero-circle {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.5;
  animation: float 8s ease-in-out infinite;
}
.hero-circle.c1 { width: 400px; height: 400px; background: #3b82f6; top: -100px; left: -100px; }
.hero-circle.c2 { width: 500px; height: 500px; background: #06b6d4; top: 50%; right: -150px; animation-delay: -4s; }
.hero-circle.c3 { width: 300px; height: 300px; background: #8b5cf6; bottom: -100px; left: 30%; animation-delay: -2s; }

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: #fff;
  border-radius: var(--radius-full);
  font-size: 14px;
  color: var(--text-700);
  box-shadow: var(--shadow-md);
  margin-bottom: 24px;
}
.badge-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
}

.hero-text h1 {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-900);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 50%, var(--purple) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-600);
  line-height: 1.8;
  margin-bottom: 36px;
}
.hero-subtitle strong { color: var(--primary); font-weight: 600; }

.hero-actions { display: flex; gap: 16px; margin-bottom: 40px; flex-wrap: wrap; }

.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 30px;
}
.hero-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-600);
  font-size: 15px;
  font-weight: 500;
}
.check-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--success);
  color: #fff;
  font-size: 12px;
  font-weight: bold;
}

/* Hero Visual - Card */
.hero-visual { position: relative; }
.card-floating {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 24px;
  box-shadow: var(--shadow-2xl);
  animation: floatCard 6s ease-in-out infinite;
  position: relative;
}
@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

.card-float-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--text-100);
}
.dots { display: flex; gap: 6px; }
.dots span { width: 10px; height: 10px; border-radius: 50%; background: #ddd; }
.dots span:first-child { background: #ef4444; }
.dots span:nth-child(2) { background: #f59e0b; }
.dots span:nth-child(3) { background: #10b981; }
.card-title { font-size: 14px; color: var(--text-600); font-weight: 500; }

.card-float-body { padding-top: 20px; }

.stat-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}
.stat-item {
  background: linear-gradient(135deg, #eff6ff 0%, #ffffff 100%);
  padding: 16px;
  border-radius: var(--radius-md);
}
.stat-label { display: block; font-size: 12px; color: var(--text-500); margin-bottom: 8px; }
.stat-value { display: block; font-size: 22px; font-weight: 700; color: var(--text-900); }

.mini-chart {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8px;
  height: 100px;
  margin-bottom: 20px;
  padding: 10px;
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
  border-radius: var(--radius-md);
}
.mini-chart .bar {
  flex: 1;
  background: linear-gradient(180deg, var(--primary) 0%, var(--accent) 100%);
  border-radius: 4px 4px 0 0;
  min-height: 8px;
  transition: var(--transition);
}
.mini-chart .bar:hover { transform: scaleY(1.05); }

.pay-methods { display: flex; gap: 8px; }
.pm {
  flex: 1;
  padding: 10px;
  text-align: center;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
}
.pm-wx { background: rgba(7, 193, 96, 0.1); color: #059669; }
.pm-ali { background: rgba(22, 119, 255, 0.1); color: #1d4ed8; }
.pm-union { background: rgba(230, 0, 18, 0.1); color: #b91c1c; }

/* ==== Trust Bar ==== */
.trust-bar {
  padding: 40px 0;
  border-top: 1px solid var(--text-100);
  border-bottom: 1px solid var(--text-100);
  background: #fff;
}
.trust-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}
.trust-label {
  font-size: 16px;
  color: var(--text-500);
  font-weight: 500;
}
.trust-stats {
  display: flex;
  gap: 60px;
  flex-wrap: wrap;
}
.trust-stat { display: flex; flex-direction: column; gap: 4px; }
.trust-stat strong {
  font-size: 28px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.trust-stat span { font-size: 14px; color: var(--text-500); }

/* ==== Sections ==== */
.section { padding: 100px 0; position: relative; }
.section:nth-child(even) { background: var(--bg-50); }

.section-head { text-align: center; margin-bottom: 60px; }
.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.section-head h2 {
  font-size: 42px;
  font-weight: 800;
  color: var(--text-900);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.section-head p { font-size: 17px; color: var(--text-500); max-width: 600px; margin: 0 auto; }

/* ==== Features Grid ==== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: #fff;
  padding: 36px 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--text-100);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.feature-card:hover::before { transform: scaleX(1); }

.feature-icon {
  width: 60px; height: 60px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
}
.icon-blue { background: rgba(37, 99, 235, 0.1); }
.icon-green { background: rgba(16, 185, 129, 0.1); }
.icon-orange { background: rgba(249, 115, 22, 0.1); }
.icon-purple { background: rgba(139, 92, 246, 0.1); }
.icon-red { background: rgba(239, 68, 68, 0.1); }
.icon-teal { background: rgba(20, 184, 166, 0.1); }

.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-900);
  margin-bottom: 12px;
}
.feature-card p {
  color: var(--text-500);
  font-size: 15px;
  line-height: 1.7;
}

/* ==== Channels ==== */
.channels-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.channel-card {
  background: #fff;
  padding: 32px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--text-100);
  transition: var(--transition);
  text-align: center;
  position: relative;
}
.channel-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.channel-icon {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}
.channel-icon svg { border-radius: 12px; box-shadow: var(--shadow-md); }

.channel-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-900);
  margin-bottom: 16px;
}
.channel-card ul { text-align: left; margin-bottom: 20px; }
.channel-card ul li {
  padding: 6px 0;
  color: var(--text-600);
  font-size: 14px;
  border-bottom: 1px dashed var(--text-100);
}
.channel-card ul li:last-child { border-bottom: none; }

.channel-rate {
  padding: 10px 16px;
  background: linear-gradient(135deg, #fef3c7 0%, #fef9e7 100%);
  color: #92400e;
  font-weight: 600;
  font-size: 14px;
  border-radius: var(--radius-md);
  display: inline-block;
}

/* ==== Pricing ==== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.price-card {
  background: #fff;
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  border: 2px solid var(--text-100);
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}
.price-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}
.price-card header { margin-bottom: 24px; }
.price-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-900);
  margin-bottom: 8px;
}
.price-sub { color: var(--text-500); font-size: 14px; }

.price-value {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 2px solid var(--text-100);
}
.price-num {
  font-size: 48px;
  font-weight: 800;
  color: var(--text-900);
  letter-spacing: -0.02em;
}
.price-unit {
  font-size: 16px;
  color: var(--text-500);
  font-weight: 500;
}

.price-features { flex: 1; margin-bottom: 28px; }
.price-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  color: var(--text-700);
  font-size: 15px;
}
.price-features .pf-muted { color: var(--text-400); font-size: 13px; padding-left: 28px; }
.pf-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--success);
  color: #fff;
  font-size: 11px;
  font-weight: bold;
  flex-shrink: 0;
}

.price-featured {
  border-color: var(--primary);
  box-shadow: var(--shadow-blue);
  background: linear-gradient(180deg, #fff 0%, #f8fafc 100%);
  transform: scale(1.05);
}
.price-featured:hover { transform: scale(1.05) translateY(-8px); }
.price-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 20px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #fff;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow-md);
}

.price-featured .price-num {
  color: var(--primary);
}

/* ==== Stats Section (dark) ==== */
.stats {
  background: linear-gradient(135deg, var(--bg-dark) 0%, #1e293b 100%) !important;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.stats::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(37, 99, 235, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(6, 182, 212, 0.15) 0%, transparent 50%);
  pointer-events: none;
}
.stats .section-head h2 { color: #fff; }
.stats .section-head p { color: rgba(255, 255, 255, 0.7); }
.stats .section-tag {
  background: rgba(255, 255, 255, 0.1);
  color: var(--accent);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}
.stat-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  padding: 40px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  transition: var(--transition);
}
.stat-card:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, 0.3);
}
.stat-big {
  font-size: 48px;
  font-weight: 800;
  background: linear-gradient(135deg, #60a5fa 0%, #22d3ee 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 12px;
  line-height: 1;
}
.stat-desc {
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
}

/* ==== Workflow ==== */
.workflow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
  position: relative;
}
.workflow-steps li {
  background: #fff;
  padding: 40px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--text-100);
  text-align: center;
  position: relative;
  transition: var(--transition);
}
.workflow-steps li:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.step-num {
  width: 56px; height: 56px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #fff;
  font-size: 24px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-blue);
}

.workflow-steps h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-900);
  margin-bottom: 12px;
}
.workflow-steps p {
  color: var(--text-500);
  font-size: 14px;
  line-height: 1.7;
}

/* ==== FAQ ==== */
.faq-list {
  max-width: 900px;
  margin: 0 auto;
}
.faq-item {
  background: #fff;
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  border: 1px solid var(--text-100);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.is-open {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.faq-q-wrap {
  width: 100%;
  padding: 24px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  cursor: pointer;
  user-select: none;
  background: none;
  border: none;
  text-align: left;
  font-family: inherit;
  transition: background 0.2s ease;
}
.faq-q-wrap:hover { background: var(--text-50); }
.faq-q-wrap:focus { outline: 2px solid var(--primary); outline-offset: -2px; }

.faq-q {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-800);
  text-align: left;
  flex: 1;
}
.faq-toggle {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--text-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-600);
  font-size: 20px;
  font-weight: 400;
  transition: var(--transition);
  flex-shrink: 0;
}
.faq-item.is-open .faq-toggle {
  background: var(--primary);
  color: #fff;
  transform: rotate(45deg);
}

.faq-a-wrap {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-item.is-open .faq-a-wrap {
  max-height: 1000px;
}

.faq-a {
  padding: 0 28px 24px;
  color: var(--text-600);
  line-height: 1.8;
  font-size: 15px;
}
.faq-a p { margin-bottom: 12px; }
.faq-a p:last-child { margin-bottom: 0; }
.faq-a ul, .faq-a ol { padding-left: 24px; margin: 12px 0; }
.faq-a ul li { list-style: disc; padding: 4px 0; }
.faq-a ol li { list-style: decimal; padding: 4px 0; }
.faq-a strong { color: var(--text-800); }

/* ==== CTA Section ==== */
.cta { padding: 80px 0 !important; background: var(--bg-50) !important; }
.cta-box {
  background: linear-gradient(135deg, var(--primary) 0%, var(--purple) 50%, var(--accent) 100%);
  padding: 60px 80px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  box-shadow: var(--shadow-2xl);
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -50%; right: -20%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
}
.cta-box::after {
  content: '';
  position: absolute;
  bottom: -50%; left: -10%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
}

.cta-text { color: #fff; z-index: 1; position: relative; }
.cta-text h2 { font-size: 36px; font-weight: 800; margin-bottom: 12px; }
.cta-text p { font-size: 17px; opacity: 0.95; }

.cta-actions { display: flex; gap: 16px; flex-wrap: wrap; z-index: 1; position: relative; }

/* ==== Footer ==== */
.footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-col .logo { margin-bottom: 16px; }
.footer-col .logo-text {
  background: linear-gradient(135deg, #60a5fa 0%, #22d3ee 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.footer-brand > p {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 320px;
}

.contact-info p {
  font-size: 14px;
  padding: 6px 0;
  color: rgba(255, 255, 255, 0.8);
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
}
.footer-col ul li {
  padding: 6px 0;
}
.footer-col ul li a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
}
.footer-col ul li a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}
.footer-bottom p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  padding: 6px 0;
}
.footer-bottom a:hover { color: #fff; }
.footer-tip { font-size: 12px; opacity: 0.7; }

/* ==== Back To Top ==== */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #fff;
  font-size: 20px;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-blue);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 99;
}
.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover { transform: translateY(-4px); }

/* ==== Responsive ==== */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 500px; margin: 0 auto; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .channels-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; gap: 40px; }
  .price-featured { transform: none; }
  .price-featured:hover { transform: translateY(-8px); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .workflow-steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-box { flex-direction: column; padding: 50px 40px; text-align: center; }
}

@media (max-width: 768px) {
  .nav-menu { display: none; }
  .nav-actions { display: none; }
  .nav-toggle { display: flex; }

  .nav-menu.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    padding: 20px;
    border-bottom: 1px solid var(--text-100);
    box-shadow: var(--shadow-lg);
  }

  .hero { padding: 50px 0 70px; }
  .hero-text h1 { font-size: 38px; }
  .hero-subtitle { font-size: 16px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }

  .section { padding: 70px 0; }
  .section-head h2 { font-size: 30px; }
  .section-head p { font-size: 15px; }

  .features-grid { grid-template-columns: 1fr; }
  .channels-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .workflow-steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }

  .trust-bar .container { flex-direction: column; align-items: flex-start; }
  .trust-stats { gap: 30px; }

  .cta-box { padding: 40px 24px; }
  .cta-text h2 { font-size: 26px; }
  .cta-actions { flex-direction: column; width: 100%; }
  .cta-actions .btn { width: 100%; }

  .stat-big { font-size: 36px; }
  .price-num { font-size: 40px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .nav-container { padding: 0 16px; }
  .hero-text h1 { font-size: 32px; }
  .section-head h2 { font-size: 26px; }
  .feature-card { padding: 28px 24px; }
  .price-card { padding: 32px 24px; }
  .faq-q-wrap { padding: 20px; }
  .faq-a { padding: 0 20px 20px; }
  .faq-q { font-size: 15px; }
}