/* ============================================================
   小雲糖果屋 — Tech Dark Theme  v2
   ============================================================ */

:root {
  --neon:    #00e5c8;
  --neon2:   #8b5cf6;
  --neon3:   #f43f5e;
  --bg:      #080b14;
  --bg2:     #0c1020;
  --bg3:     #101528;
  --card:    rgba(255,255,255,0.03);
  --card-hv: rgba(0,229,200,0.05);
  --border:  rgba(255,255,255,0.07);
  --border-neon: rgba(0,229,200,0.3);
  --text:    #e2e8f0;
  --text2:   #64748b;
  --text3:   #94a3b8;
  --radius:  6px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --trans:   0.25s ease;
  --glow:    0 0 24px rgba(0,229,200,0.25);
  --glow-sm: 0 0 12px rgba(0,229,200,0.2);
  --shadow:  0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
  --mono: 'Share Tech Mono', 'Courier New', monospace;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans TC', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; touch-action: manipulation; }
a, button { -webkit-tap-highlight-color: transparent; }

/* ---------- Background layers ---------- */
.grid-bg {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(0,229,200,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,200,0.025) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 100% 100% at 50% 0%, black 30%, transparent 80%);
}
.noise-bg {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.018;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 256px;
}

/* ---------- Container ---------- */
.container { max-width: 1180px; margin: 0 auto; padding: 0 28px; }

/* ============================================================
   TICKER
   ============================================================ */
.ticker-bar {
  background: linear-gradient(90deg, var(--neon2), var(--neon), var(--neon2));
  background-size: 200% 100%;
  animation: tickerGrad 6s linear infinite;
  color: #fff;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  padding: 7px 0;
  overflow: hidden;
  position: relative;
  z-index: 100;
}
@keyframes tickerGrad { 0%{background-position:0%} 100%{background-position:200%} }
.ticker-inner {
  display: flex;
  white-space: nowrap;
  animation: tickerScroll 28s linear infinite;
}
.ticker-inner span { padding: 0 28px; }
@keyframes tickerScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: sticky; top: 0; z-index: 500;
  background: rgba(8,11,20,0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--trans);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  max-width: 1180px;
  margin: 0 auto;
  gap: 24px;
}

/* Logo */
.logo-wrap {
  display: flex; align-items: center;
  flex-shrink: 0;
}
.logo-img {
  height: 38px;
  width: auto;
  display: block;
  object-fit: contain;
  transition: opacity var(--trans), filter var(--trans);
  filter: brightness(1);
}
.logo-wrap:hover .logo-img {
  opacity: 0.85;
  filter: brightness(1.1) drop-shadow(0 0 8px rgba(0,229,200,0.35));
}

/* Nav links */
.nav-menu {
  display: flex;
  gap: 36px;
  align-items: center;
}
.nav-menu a {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text2);
  padding: 4px 0;
  position: relative;
  transition: color var(--trans);
}
.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0; right: 100%;
  height: 1px;
  background: var(--neon);
  transition: right var(--trans);
}
.nav-menu a:hover { color: var(--neon); }
.nav-menu a:hover::after { right: 0; }

/* Buttons */
.nav-actions { display: flex; gap: 10px; align-items: center; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: all var(--trans);
  position: relative;
  white-space: nowrap;
  cursor: pointer;
}
.btn-neon {
  background: transparent;
  border: 1px solid var(--border-neon);
  color: var(--neon);
  box-shadow: inset 0 0 0 0 var(--neon);
}
.btn-neon:hover {
  background: var(--neon);
  color: var(--bg);
  box-shadow: var(--glow);
  border-color: var(--neon);
}
.btn-solid {
  background: linear-gradient(135deg, var(--neon2), #6d28d9);
  border: 1px solid transparent;
  color: #fff;
  box-shadow: 0 4px 16px rgba(139,92,246,0.35);
}
.btn-solid:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(139,92,246,0.5);
}
.btn-sm { padding: 7px 16px; font-size: 0.72rem; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column; gap: 5px; padding: 6px;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--neon); border-radius: 2px;
  transition: all var(--trans);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  isolation: isolate;
}

/* Static gradient background */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(0,229,200,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 20% 70%, rgba(139,92,246,0.08) 0%, transparent 55%),
    radial-gradient(ellipse 100% 50% at 50% 0%, rgba(0,229,200,0.04) 0%, transparent 50%),
    var(--bg);
}

/* Geometric decorations */
.hero-geo {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}
.geo-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0,229,200,0.08);
}
.geo-ring-1 {
  width: 560px; height: 560px;
  right: -80px; top: -120px;
  animation: geoSpin 30s linear infinite;
}
.geo-ring-2 {
  width: 380px; height: 380px;
  right: 80px; top: -20px;
  border-color: rgba(139,92,246,0.1);
  animation: geoSpin 22s linear infinite reverse;
}
.geo-ring-3 {
  width: 200px; height: 200px;
  right: 200px; top: 130px;
  border-color: rgba(0,229,200,0.12);
  animation: geoSpin 18s linear infinite;
}
@keyframes geoSpin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.geo-line {
  position: absolute;
  background: linear-gradient(90deg, transparent, rgba(0,229,200,0.12), transparent);
}
.geo-line-h {
  height: 1px; width: 100%;
  top: 42%; left: 0;
}
.geo-line-v {
  width: 1px; height: 100%;
  left: 62%; top: 0;
  background: linear-gradient(180deg, transparent, rgba(0,229,200,0.08), transparent);
}
.geo-dot {
  position: absolute;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 12px var(--neon);
}
.geo-dot-1 { width: 4px; height: 4px; right: 200px; top: 130px; opacity: 0.8; }
.geo-dot-2 { width: 3px; height: 3px; right: 380px; top: 230px; opacity: 0.5; background: var(--neon2); box-shadow: 0 0 8px var(--neon2); }
.geo-dot-3 { width: 5px; height: 5px; right: 80px; top: 320px; opacity: 0.6; }

.orb { position: absolute; border-radius: 50%; z-index: 2; pointer-events: none; }
.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,229,200,0.055) 0%, transparent 65%);
  top: -150px; right: 0;
  animation: orbDrift 16s ease-in-out infinite;
}
.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(139,92,246,0.07) 0%, transparent 65%);
  bottom: 60px; left: -80px;
  animation: orbDrift 12s ease-in-out infinite reverse;
}
@keyframes orbDrift {
  0%,100% { transform: translate(0,0); }
  50%      { transform: translate(20px,-30px); }
}

/* Layout */
.hero .container {
  position: relative;
  z-index: 3;
  padding-top: 100px;
  padding-bottom: 100px;
}
.hero-layout {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 60px;
  align-items: center;
}
.hero-left { max-width: 580px; }

/* Badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 18px;
  border: 1px solid rgba(0,229,200,0.4);
  border-radius: 100px;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--neon);
  background: rgba(0,229,200,0.08);
  margin-bottom: 28px;
  text-transform: uppercase;
  backdrop-filter: blur(6px);
}
.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 10px var(--neon);
  animation: pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.35; transform: scale(0.75); }
}

/* Title */
.hero-title {
  font-size: clamp(2.8rem, 5.5vw, 5rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.hero-title .line1 {
  display: block;
  color: #fff;
}
.hero-title .line2 {
  display: block;
  background: linear-gradient(110deg, var(--neon) 0%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 24px rgba(0,229,200,0.3));
}

/* Desc */
.hero-desc {
  font-size: 1rem;
  color: rgba(226,232,240,0.75);
  line-height: 1.85;
  margin-bottom: 40px;
}

/* Actions */
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

/* Stats */
.hero-stats {
  display: flex;
  gap: 0;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(12,16,32,0.7);
  backdrop-filter: blur(16px);
  max-width: 480px;
}
.hero-stat {
  flex: 1;
  padding: 16px 10px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.07);
  position: relative;
  transition: background var(--trans);
}
.hero-stat:last-child { border-right: none; }
.hero-stat:hover { background: rgba(0,229,200,0.05); }
.hero-stat::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon), transparent);
  opacity: 0;
  transition: opacity var(--trans);
}
.hero-stat:hover::after { opacity: 1; }
.hero-stat .num {
  display: block;
  font-family: var(--mono);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--neon);
  line-height: 1.1;
  margin-bottom: 4px;
  text-shadow: 0 0 14px rgba(0,229,200,0.35);
}
.hero-stat .label {
  font-size: 0.62rem;
  color: rgba(148,163,184,0.7);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: var(--mono);
}

/* Right side — floating card stack */
.hero-right {
  position: relative;
  height: 480px;
}
.hero-card-stack {
  position: relative;
  width: 100%;
  height: 100%;
}
.hc {
  position: absolute;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(12,16,32,0.8);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 20px 24px;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.hc:hover {
  transform: translateY(-4px) !important;
  box-shadow: var(--shadow), 0 0 24px rgba(0,229,200,0.12);
  border-color: var(--border-neon);
}
.hc-1 {
  width: 200px; top: 0; left: 20px;
  animation: cardFloat 6s ease-in-out infinite;
}
.hc-2 {
  width: 220px; top: 60px; right: 0;
  animation: cardFloat 8s ease-in-out infinite 1s;
  border-color: rgba(139,92,246,0.25);
}
.hc-3 {
  width: 180px; top: 180px; left: 0;
  animation: cardFloat 7s ease-in-out infinite 0.5s;
}
.hc-4 {
  width: 150px; bottom: 120px; right: 30px;
  text-align: center; align-items: center;
  animation: cardFloat 9s ease-in-out infinite 1.5s;
}
.hc-5 {
  width: 150px; bottom: 40px; left: 40px;
  text-align: center; align-items: center;
  border-color: rgba(139,92,246,0.2);
  animation: cardFloat 7.5s ease-in-out infinite 2s;
}
@keyframes cardFloat {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}
.hc-label {
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: 0.04em;
}
.hc-tag {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--neon);
  background: rgba(0,229,200,0.1);
  border: 1px solid rgba(0,229,200,0.2);
  padding: 3px 10px;
  border-radius: 100px;
}
.hc-icon {
  color: var(--neon);
  margin-bottom: 8px;
  display: block;
}
.hc-2 .hc-icon { color: var(--neon2); }
.hc-stat-num {
  font-family: var(--mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--neon);
  line-height: 1;
  text-shadow: 0 0 16px rgba(0,229,200,0.4);
  display: block;
  margin-bottom: 4px;
}
.hc-5 .hc-stat-num { color: var(--neon2); text-shadow: 0 0 16px rgba(139,92,246,0.4); }
.hc-stat-lbl {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text2);
  display: block;
}
.hero-brand-pills {
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  white-space: nowrap;
}
.hero-brand-pills span {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text3);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 4px 12px;
  background: rgba(12,16,32,0.7);
  backdrop-filter: blur(8px);
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section { padding: 96px 0; position: relative; z-index: 1; }
.section-alt { background: var(--bg2); }

.section-eyebrow {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  color: var(--neon);
  text-transform: uppercase;
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 16px;
}
.section-eyebrow::before {
  content: '';
  width: 28px; height: 1px;
  background: linear-gradient(90deg, var(--neon), transparent);
  flex-shrink: 0;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin-bottom: 16px;
  color: var(--text);
}
.section-title em {
  font-style: normal;
  background: linear-gradient(110deg, var(--neon), var(--neon2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  font-size: 0.95rem;
  color: var(--text3);
  max-width: 520px;
  margin-bottom: 52px;
  line-height: 1.8;
}

/* ============================================================
   FEATURES
   ============================================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 16px;
}

.feature-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}
.feature-item::after {
  content: '';
  position: absolute;
  inset: 0; border-radius: var(--radius-lg);
  background: var(--card-hv);
  opacity: 0; transition: opacity var(--trans);
}
.feature-item:hover {
  border-color: var(--border-neon);
  transform: translateY(-4px);
  box-shadow: var(--shadow), 0 0 30px rgba(0,229,200,0.08);
}
.feature-item:hover::after { opacity: 1; }

.feature-icon-wrap {
  width: 50px; height: 50px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  color: var(--neon);
  background: rgba(0,229,200,0.06);
  position: relative; z-index: 1;
  transition: all var(--trans);
}
.feature-item:hover .feature-icon-wrap {
  border-color: var(--border-neon);
  box-shadow: var(--glow-sm);
  background: rgba(0,229,200,0.1);
}

.feature-item h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  position: relative; z-index: 1;
}
.feature-item p {
  font-size: 0.85rem;
  color: var(--text3);
  line-height: 1.7;
  position: relative; z-index: 1;
}

/* ============================================================
   CTA
   ============================================================ */
.cta-section {
  padding: 96px 0;
  position: relative; z-index: 1; overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 100% at 50% 50%, rgba(139,92,246,0.09) 0%, transparent 70%),
    var(--bg2);
}

.cta-inner {
  position: relative; z-index: 1;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.cta-inner .section-eyebrow { justify-content: center; }
.cta-inner .section-desc { margin: 0 auto 40px; }

.cta-line-id {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--card);
  border: 1px solid var(--border-neon);
  border-radius: var(--radius);
  padding: 12px 26px;
  font-family: var(--mono);
  font-size: 0.88rem;
  color: var(--neon);
  margin-bottom: 32px;
  box-shadow: var(--glow-sm);
  letter-spacing: 0.06em;
}

.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ============================================================
   FAQ
   ============================================================ */
.faq-list {
  max-width: 780px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 10px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--card);
  overflow: hidden;
  transition: border-color var(--trans), box-shadow var(--trans);
}
.faq-item[open] {
  border-color: var(--border-neon);
  box-shadow: 0 0 20px rgba(0,229,200,0.06);
}

.faq-item summary {
  list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 22px 26px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.93rem;
  color: var(--text);
  transition: color var(--trans);
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item[open] summary { color: var(--neon); }

.faq-icon {
  flex-shrink: 0;
  width: 26px; height: 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  color: var(--text3);
  font-family: var(--mono);
  font-size: 1rem;
  line-height: 1;
  transition: all var(--trans);
}
.faq-item[open] .faq-icon {
  background: var(--neon);
  color: var(--bg);
  border-color: var(--neon);
  box-shadow: var(--glow-sm);
}

.faq-answer {
  padding: 0 26px 22px;
  font-size: 0.88rem;
  color: var(--text3);
  line-height: 1.8;
  border-top: 1px solid var(--border);
  margin: 0 26px;
  padding-top: 18px;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.contact-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 28px;
  text-align: center;
  display: block;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.contact-card::before {
  content: '';
  position: absolute;
  top: 0; left: 50%; right: 50%;
  height: 2px;
  border-radius: 0 0 4px 4px;
  transition: left var(--trans), right var(--trans);
}
.contact-card--line::before  { background: #00c300; }
.contact-card--tg::before    { background: #0088cc; }
.contact-card--shop::before  { background: var(--neon); }

.contact-card:hover {
  border-color: var(--border-neon);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg), 0 0 40px rgba(0,229,200,0.08);
}
.contact-card:hover::before { left: 0; right: 0; }

.contact-icon {
  width: 68px; height: 68px;
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 22px;
  border: 1px solid var(--border);
  background: var(--card);
  transition: all var(--trans);
}
.contact-card--line .contact-icon { color: #00c300; }
.contact-card--tg .contact-icon   { color: #0088cc; }
.contact-card--shop .contact-icon { color: var(--neon); }
.contact-card:hover .contact-icon { box-shadow: var(--glow-sm); border-color: var(--border-neon); }

.contact-card h3 {
  font-size: 1.05rem; font-weight: 700;
  color: var(--text); margin-bottom: 6px;
}
.contact-card p {
  font-family: var(--mono);
  font-size: 0.78rem; color: var(--text2);
  margin-bottom: 22px; letter-spacing: 0.04em;
}
.contact-arrow {
  font-family: var(--mono);
  font-size: 0.7rem; letter-spacing: 0.12em;
  color: var(--neon); text-transform: uppercase;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
  position: relative; z-index: 1;
}

.footer-main {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 64px;
  margin-bottom: 48px;
}
.footer-brand p {
  font-size: 0.83rem; color: var(--text3);
  margin-top: 14px; line-height: 1.8;
}
.footer-logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
  margin-bottom: 4px;
  opacity: 0.9;
}

.footer-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.footer-col h4 {
  font-family: var(--mono);
  font-size: 0.65rem; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--neon);
  margin-bottom: 18px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a {
  font-size: 0.83rem; color: var(--text3);
  transition: color var(--trans);
}
.footer-col a:hover { color: var(--neon); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
  font-family: var(--mono);
  font-size: 0.68rem; color: var(--text2);
  letter-spacing: 0.06em;
}

/* ============================================================
   DOCK
   ============================================================ */
.dock {
  position: fixed; right: 20px; top: 50%;
  transform: translateY(-50%);
  z-index: 400;
  display: flex; flex-direction: column; gap: 8px;
}
.dock-item {
  width: 46px; height: 46px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(8,11,20,0.88);
  backdrop-filter: blur(12px);
  transition: all var(--trans);
  font-family: var(--mono);
  font-size: 0.52rem; letter-spacing: 0.04em;
  color: var(--text2);
}
.dock-item:hover {
  border-color: var(--border-neon);
  color: var(--neon);
  box-shadow: var(--glow-sm);
  transform: translateX(-5px);
}

/* ============================================================
   TO TOP
   ============================================================ */
.to-top {
  position: fixed; bottom: 28px; right: 76px;
  width: 42px; height: 42px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(8,11,20,0.9);
  color: var(--text2);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: all var(--trans);
  z-index: 400;
  backdrop-filter: blur(12px);
}
.to-top.visible { opacity: 1; visibility: visible; }
.to-top:hover { border-color: var(--border-neon); color: var(--neon); box-shadow: var(--glow-sm); }

/* ============================================================
   FADE UP
   ============================================================ */
.fade-up {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   PRODUCT CAROUSEL
   ============================================================ */
.carousel-wrap {
  position: relative;
  overflow: hidden;
  padding-bottom: 56px;
  margin-top: 12px;
}

.carousel-track {
  display: flex;
  gap: 20px;
  transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 8px 28px 0;
  will-change: transform;
}

.carousel-slide {
  flex: 0 0 calc(25% - 15px);
  min-width: 0;
}

.carousel-img-wrap {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--card);
  aspect-ratio: 1 / 1;
  transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}
.carousel-img-wrap:hover {
  border-color: var(--border-neon);
  transform: translateY(-6px);
  box-shadow: var(--shadow), 0 0 30px rgba(0,229,200,0.1);
}
.carousel-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}
.carousel-img-wrap:hover img { transform: scale(1.06); }

/* Gradient overlay at bottom */
.carousel-img-wrap::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 60%;
  background: linear-gradient(to top, rgba(8,11,20,0.7), transparent);
  z-index: 1; pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.carousel-img-wrap:hover::before { opacity: 1; }

.carousel-overlay {
  position: absolute;
  top: 12px; left: 12px;
  z-index: 2;
}
.carousel-tag {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--bg);
  background: var(--neon);
  padding: 3px 10px;
  border-radius: 100px;
  text-transform: uppercase;
  font-weight: 700;
}

/* Carousel buttons */
.carousel-btn {
  position: absolute;
  top: calc(50% - 28px);
  transform: translateY(-50%);
  width: 44px; height: 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(8,11,20,0.9);
  color: var(--text3);
  display: flex; align-items: center; justify-content: center;
  z-index: 10;
  backdrop-filter: blur(10px);
  transition: all var(--trans);
  cursor: pointer;
}
.carousel-btn:hover { border-color: var(--border-neon); color: var(--neon); box-shadow: var(--glow-sm); }
.carousel-prev { left: 4px; }
.carousel-next { right: 4px; }

/* Carousel dots */
.carousel-dots {
  position: absolute; bottom: 16px; left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 8px; align-items: center;
}
.carousel-dot {
  width: 6px; height: 6px;
  border-radius: 100px;
  background: var(--border);
  border: none; cursor: pointer;
  transition: all 0.3s ease; padding: 0;
}
.carousel-dot.active {
  background: var(--neon);
  box-shadow: 0 0 8px var(--neon);
  width: 20px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-layout { grid-template-columns: 1fr 340px; gap: 40px; }
}

@media (max-width: 960px) {
  .hero .container { padding-top: 80px; padding-bottom: 80px; }
  .hero-layout { grid-template-columns: 1fr; gap: 48px; }
  .hero-left { max-width: 100%; }
  .hero-right { height: 320px; }
  .geo-ring-1 { width: 400px; height: 400px; right: -60px; top: -80px; }
  .geo-ring-2 { width: 280px; height: 280px; right: 40px; top: 0; }
  .geo-ring-3 { width: 150px; height: 150px; right: 130px; top: 80px; }
  .carousel-slide { flex: 0 0 calc(33.333% - 14px); }
}

/* ---- 768px — 主要手機適配 ---- */
@media (max-width: 768px) {
  /* Container */
  .container { padding: 0 20px; }

  /* Ticker */
  .ticker-bar { font-size: 0.68rem; padding: 6px 0; }
  .ticker-inner span { padding: 0 18px; }

  /* Nav */
  .nav { padding: 14px 20px; }
  .nav-menu, .nav-actions { display: none; }
  .hamburger { display: flex; }
  .nav-menu {
    position: fixed;
    inset: 0;
    background: rgba(8,11,20,0.98);
    backdrop-filter: blur(24px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    z-index: 998;
    display: none;
  }
  .nav-menu.open { display: flex; }
  .nav-menu a { font-size: 1.2rem; letter-spacing: 0.12em; }
  .nav-actions.open {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 16px;
    align-items: center;
  }
  .nav-actions.open .btn { width: 200px; justify-content: center; }

  /* Hero */
  .hero .container { padding-top: 60px; padding-bottom: 60px; }
  .hero-right { display: none; }
  .hero-badge { font-size: 0.65rem; padding: 6px 14px; margin-bottom: 20px; }
  .hero-title { font-size: clamp(2rem, 8vw, 2.6rem); margin-bottom: 18px; }
  .hero-desc { font-size: 0.9rem; margin-bottom: 28px; line-height: 1.75; }
  .hero-actions { gap: 10px; margin-bottom: 32px; }
  .hero-actions .btn { padding: 12px 20px; font-size: 0.75rem; flex: 1; min-width: 0; justify-content: center; }
  .hero-stats {
    max-width: 100%;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    border-radius: var(--radius);
  }
  .hero-stat { border-right: 1px solid rgba(255,255,255,0.07); border-bottom: 1px solid rgba(255,255,255,0.07); padding: 14px 8px; }
  .hero-stat:nth-child(2n) { border-right: none; }
  .hero-stat:nth-child(3), .hero-stat:nth-child(4) { border-bottom: none; }
  .hero-stat .num { font-size: 1.3rem; }
  .hero-stat .label { font-size: 0.6rem; }

  /* Sections */
  .section { padding: 56px 0; }
  .section-title { font-size: clamp(1.5rem, 5vw, 2rem); }
  .section-desc { font-size: 0.88rem; margin-bottom: 36px; }

  /* Features */
  .features-grid { grid-template-columns: 1fr; gap: 10px; }
  .feature-item { padding: 24px 20px; }
  .feature-icon-wrap { width: 44px; height: 44px; margin-bottom: 14px; }

  /* CTA */
  .cta-section { padding: 64px 0; }
  .cta-line-id { font-size: 0.82rem; padding: 10px 18px; }
  .cta-actions { flex-direction: column; align-items: center; gap: 10px; }
  .cta-actions .btn { width: 100%; max-width: 300px; justify-content: center; }

  /* FAQ */
  .faq-item summary { padding: 18px 18px; font-size: 0.88rem; }
  .faq-answer { padding: 0 18px 18px; margin: 0 18px; font-size: 0.84rem; }
  .faq-icon { width: 24px; height: 24px; font-size: 0.9rem; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; gap: 10px; }
  .contact-card { padding: 28px 20px; }
  .contact-icon { width: 56px; height: 56px; margin-bottom: 16px; }

  /* Footer */
  .footer { padding: 48px 0 24px; }
  .footer-main { grid-template-columns: 1fr; gap: 28px; }
  .footer-nav { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }

  /* Carousel */
  .carousel-slide { flex: 0 0 calc(50% - 10px); }
  .carousel-track { padding: 8px 20px 0; gap: 16px; }
  .carousel-btn { width: 40px; height: 40px; }

  /* Dock / ToTop */
  .dock { display: none; }
  .to-top { right: 16px; bottom: 20px; width: 40px; height: 40px; }
}

/* ---- 480px — 小屏手機 ---- */
@media (max-width: 480px) {
  .container { padding: 0 16px; }

  /* Ticker */
  .ticker-bar { font-size: 0.64rem; }
  .ticker-inner span { padding: 0 14px; }

  /* Nav */
  .nav { padding: 12px 16px; }
  .logo-img { height: 30px; }

  /* Hero */
  .hero .container { padding-top: 48px; padding-bottom: 48px; }
  .hero-title { font-size: clamp(1.8rem, 9vw, 2.2rem); }
  .hero-desc { font-size: 0.85rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .hero-badge { font-size: 0.6rem; letter-spacing: 0.1em; }

  /* Stats 2×2 grid already set above; just tweak font */
  .hero-stat .num { font-size: 1.2rem; }

  /* Section */
  .section { padding: 44px 0; }
  .section-eyebrow { font-size: 0.62rem; }

  /* Features */
  .feature-item { padding: 20px 16px; }

  /* CTA */
  .cta-inner .section-title { font-size: 1.6rem; }
  .cta-line-id { font-size: 0.76rem; padding: 9px 14px; max-width: 100%; text-align: center; }

  /* FAQ */
  .faq-item summary { padding: 16px 14px; font-size: 0.84rem; gap: 10px; }
  .faq-answer { padding: 0 14px 16px; margin: 0 14px; }

  /* Contact */
  .contact-card { padding: 24px 16px; }

  /* Footer */
  .footer-nav { grid-template-columns: 1fr; gap: 20px; }
  .footer-bottom { font-size: 0.62rem; }

  /* Carousel */
  .carousel-slide { flex: 0 0 calc(100% - 8px); }
  .carousel-track { gap: 12px; padding: 8px 16px 0; }
  .carousel-btn { display: none; }

  /* Geo decorations — 小螢幕縮小避免視覺干擾 */
  .geo-ring-1 { width: 260px; height: 260px; }
  .geo-ring-2 { width: 180px; height: 180px; }
  .geo-ring-3 { display: none; }
  .orb-1 { width: 300px; height: 300px; }
  .orb-2 { width: 200px; height: 200px; }
}