:root {
  --bg: #05080f;
  --bg-2: #0a0f1c;
  --surface: #0f1629;
  --surface-2: #141d35;
  --line: rgba(200, 160, 60, 0.12);
  --line-strong: rgba(200, 160, 60, 0.28);
  --gold: #c8a84e;
  --gold-bright: #e8c766;
  --gold-deep: #8b7028;
  --cyan: #22d3ee;
  --blue: #3b82f6;
  --text: #e8eef8;
  --muted: #8595b3;
  --muted-2: #5c6b88;
  --maxw: 1240px;
  --radius: 18px;
  --shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.7);
  --glow-gold: 0 0 40px rgba(200, 168, 78, 0.18);
  font-synthesis: none;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Dynamic Hero Background */
.hero-bg-layer {
  position: fixed;
  inset: 0;
  z-index: -4;
  overflow: hidden;
  pointer-events: none;
}

.hero-bg-img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center center;
  opacity: 0;
  transition: opacity 2s ease;
  will-change: transform;
}

.hero-bg-img-1 {
  background-image: url('./1.png');
  animation: ken-burns-1 20s ease-in-out infinite alternate;
}

.hero-bg-img-2 {
  background-image: url('./2.png');
  animation: ken-burns-2 25s ease-in-out infinite alternate;
}

.hero-bg-img-3 {
  background-image: url('./4.png');
  animation: ken-burns-3 30s ease-in-out infinite alternate;
}

.hero-bg-img:nth-child(1) { opacity: 0.25; }
.hero-bg-img:nth-child(2) { opacity: 0; }
.hero-bg-img:nth-child(3) { opacity: 0; }

@keyframes ken-burns-1 {
  0% { transform: scale(1) translate(0, 0); }
  50% { transform: scale(1.15) translate(-2%, 1%); }
  100% { transform: scale(1.1) translate(1%, -1%); }
}

@keyframes ken-burns-2 {
  0% { transform: scale(1.1) translate(1%, 0); }
  50% { transform: scale(1) translate(-1%, 2%); }
  100% { transform: scale(1.12) translate(0, -1%); }
}

@keyframes ken-burns-3 {
  0% { transform: scale(1) translate(0, 1%); }
  50% { transform: scale(1.08) translate(2%, -1%); }
  100% { transform: scale(1.15) translate(-1%, 0); }
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 30%, rgba(5, 8, 15, 0.3) 0%, rgba(5, 8, 15, 0.85) 100%),
    radial-gradient(ellipse 60% 50% at 20% 70%, rgba(200, 168, 78, 0.05) 0%, transparent 80%),
    linear-gradient(180deg, rgba(5, 8, 15, 0.7) 0%, rgba(5, 8, 15, 0.85) 40%, rgba(5, 8, 15, 0.95) 100%);
}

#particle-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
em { font-style: italic; }

.hex-bg {
  position: fixed; inset: 0; z-index: -3;
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(200, 168, 78, 0.08), transparent 60%),
    radial-gradient(900px 600px at 0% 30%, rgba(59, 130, 246, 0.06), transparent 60%),
    linear-gradient(180deg, #05080f 0%, #080c16 50%, #05080f 100%);
}
.hex-bg::before {
  content: ""; position: absolute; inset: -2px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='56' height='48' viewBox='0 0 56 48'><path d='M14 1l12 7v14L14 29 2 22V8z M42 1l12 7v14L42 29 30 22V8z M14 29l12 7v14L14 57 2 50V36z M42 29l12 7v14L42 57 30 50V36z' fill='none' stroke='%23c8a84e' stroke-opacity='0.03' stroke-width='1'/></svg>");
  background-size: 56px 48px;
  mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 75%);
  opacity: 0.9;
}
.glow { position: fixed; border-radius: 50%; filter: blur(120px); z-index: -2; pointer-events: none; }
.glow-1 { width: 520px; height: 520px; background: rgba(200, 168, 78, 0.12); top: -160px; right: -120px; }
.glow-2 { width: 480px; height: 480px; background: rgba(59, 130, 246, 0.08); bottom: -180px; left: -140px; }

.display {
  font-family: "Sora", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-weight: 700;
  font-size: clamp(2.1rem, 5vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}
.display em {
  color: var(--gold-bright);
  font-weight: 300;
  text-shadow: 0 0 30px rgba(232, 199, 102, 0.35);
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.6em;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gold); font-weight: 500; margin-bottom: 1.1rem;
}
.eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--gold-bright); box-shadow: 0 0 10px var(--gold-bright);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

.btn {
  display: inline-flex; align-items: center; gap: 0.5em;
  font-family: "Sora", sans-serif; font-weight: 600; font-size: 0.95rem;
  padding: 0.8em 1.5em; border-radius: 12px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  cursor: pointer; border: 1px solid transparent; white-space: nowrap;
}
.btn svg { transition: transform 0.2s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--gold-bright), var(--gold-deep));
  color: #0a0a0a;
  box-shadow: 0 10px 30px -8px rgba(200, 168, 78, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}
.btn-primary:hover svg { transform: translateY(2px); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--line-strong); color: var(--text);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--gold); background: rgba(200, 168, 78, 0.06); }
.btn-outline {
  width: 100%; justify-content: center;
  background: transparent; border-color: var(--line-strong); color: var(--text);
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold-bright); background: rgba(200, 168, 78, 0.05); }
.btn-lg { padding: 1em 2em; font-size: 1rem; }

.section { max-width: var(--maxw); margin: 0 auto; padding: 7rem 1.5rem; position: relative; }
.section-head { margin-bottom: 3rem; max-width: 760px; }
.section-sub { margin-top: 1.2rem; color: var(--muted); font-size: 1.05rem; max-width: 620px; }

.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem clamp(1.2rem, 4vw, 3rem);
  backdrop-filter: blur(14px);
  background: rgba(5, 8, 15, 0.6);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 0.7rem; }
.brand-mark {
  display: grid; place-items: center; width: 38px; height: 38px;
  border-radius: 10px; color: var(--gold-bright);
  background: linear-gradient(135deg, rgba(200, 168, 78, 0.12), rgba(59, 130, 246, 0.08));
  border: 1px solid var(--line-strong);
  box-shadow: var(--glow-gold);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-family: "Sora", sans-serif; font-size: 1rem; font-weight: 700; letter-spacing: 0.01em; }
.brand-text small { font-family: "JetBrains Mono", monospace; font-size: 0.58rem; letter-spacing: 0.22em; color: var(--muted); margin-top: 2px; }
.nav-links { display: flex; gap: 2rem; }
.nav-links a { color: var(--muted); font-size: 0.92rem; font-weight: 500; transition: color 0.2s; position: relative; }
.nav-links a:hover { color: var(--text); }
.nav-links a::after { content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px; background: var(--gold); transition: width 0.25s; }
.nav-links a:hover::after { width: 100%; }
.nav-cta { padding: 0.6em 1.2em; font-size: 0.88rem; }
@media (max-width: 760px) { .nav-links { display: none; } }

.hero {
  max-width: var(--maxw); margin: 0 auto; padding: 4rem 1.5rem 5rem;
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 3rem; align-items: center;
}
.hero-inner .display { margin: 0.4rem 0 1.4rem; }
.hero-inner .lead { color: var(--muted); font-size: 1.08rem; max-width: 30rem; margin-bottom: 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-bottom: 2rem; }
.hero-meta { list-style: none; display: flex; flex-wrap: wrap; gap: 1.6rem; color: var(--muted); font-size: 0.85rem; }
.hero-meta li { position: relative; padding-left: 1.2rem; }
.hero-meta li::before { content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 6px; height: 6px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 8px var(--gold); }

.hero-visual { position: relative; }
.device {
  position: relative; border-radius: 22px; overflow: hidden;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  box-shadow: var(--shadow), 0 0 60px -20px rgba(200, 168, 78, 0.4);
  aspect-ratio: 16/10;
}
.device img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s; }
.device:hover img { transform: scale(1.04); }
.device-bar {
  position: absolute; left: 0; right: 0; bottom: 0;
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.8rem 1.2rem;
  background: linear-gradient(0deg, rgba(5, 8, 15, 0.92), transparent);
  font-family: "JetBrains Mono", monospace; font-size: 0.72rem; letter-spacing: 0.12em;
}
.device-tag { color: var(--gold); }
.device-live { display: flex; align-items: center; gap: 0.5em; color: #7ee787; }
.device-live i { width: 7px; height: 7px; border-radius: 50%; background: #7ee787; box-shadow: 0 0 8px #7ee787; animation: pulse 1.6s infinite; }
.device::before {
  content: ""; position: absolute; inset: 0; border-radius: 22px; pointer-events: none;
  background: linear-gradient(135deg, rgba(200, 168, 78, 0.15), transparent 40%);
  z-index: 1;
}
@media (max-width: 880px) { .hero { grid-template-columns: 1fr; padding-top: 2rem; } }

.champion-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: start; }
.champion-img-card {
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); background: var(--surface);
  box-shadow: var(--shadow);
}
.champion-img-card img { width: 100%; height: auto; display: block; }

.champion-info { display: flex; flex-direction: column; gap: 2rem; }
.info-block h3 { font-family: "Sora", sans-serif; font-size: 1.3rem; font-weight: 600; margin-bottom: 0.6rem; color: var(--gold-bright); }
.info-block p { color: var(--muted); font-size: 0.98rem; margin-bottom: 1rem; }
.inline-img {
  border-radius: 12px; border: 1px solid var(--line);
  margin: 0.8rem 0;
}
.augment-tags { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.tag-item {
  display: inline-block; padding: 0.4em 0.9em;
  background: rgba(200, 168, 78, 0.1);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  font-family: "JetBrains Mono", monospace; font-size: 0.8rem;
  color: var(--gold-bright);
}
@media (max-width: 880px) { .champion-grid { grid-template-columns: 1fr; } }

.augment-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.gallery-item {
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.gallery-item:hover {
  transform: translateY(-5px);
  border-color: var(--line-strong);
  box-shadow: 0 30px 60px -30px rgba(200, 168, 78, 0.4);
}
.gallery-item img { width: 100%; height: auto; display: block; }
.gallery-caption {
  padding: 1.2rem 1.4rem;
  display: flex; flex-direction: column; gap: 0.3rem;
}
.cap-label {
  font-family: "JetBrains Mono", monospace; font-size: 0.7rem;
  letter-spacing: 0.14em; color: var(--gold);
}
.cap-desc { color: var(--muted); font-size: 0.92rem; }
@media (max-width: 880px) { .augment-gallery { grid-template-columns: 1fr; } }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.feature-card {
  padding: 1.8rem 1.5rem; border-radius: 16px;
  background: linear-gradient(170deg, var(--surface), rgba(15, 22, 41, 0.6));
  border: 1px solid var(--line);
  transition: transform 0.3s, border-color 0.3s;
}
.feature-card:hover { transform: translateY(-4px); border-color: var(--line-strong); }
.feature-icon {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(200, 168, 78, 0.1), rgba(59, 130, 246, 0.06));
  border: 1px solid var(--line-strong);
  color: var(--gold-bright);
  margin-bottom: 1rem;
}
.feature-card h3 { font-family: "Sora", sans-serif; font-size: 1.2rem; font-weight: 600; margin-bottom: 0.5rem; }
.feature-card p { color: var(--muted); font-size: 0.92rem; }
@media (max-width: 880px) { .feature-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .feature-grid { grid-template-columns: 1fr; } }

.price-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1.2rem; }
.price-card {
  position: relative; padding: 2rem 1.5rem; border-radius: var(--radius);
  background: linear-gradient(175deg, var(--surface), rgba(15, 22, 41, 0.5));
  border: 1px solid rgba(200, 168, 78, 0.3); display: flex; flex-direction: column;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  box-shadow: 0 20px 50px -30px rgba(200, 168, 78, 0.2);
}
.price-card:hover {
  transform: translateY(-8px);
  border-color: rgba(200, 168, 78, 0.8);
  box-shadow: 0 40px 80px -30px rgba(200, 168, 78, 0.5);
}
.price-card.popular {
  border-color: rgba(200, 168, 78, 0.7);
  background: linear-gradient(175deg, rgba(200, 168, 78, 0.12), rgba(15, 22, 41, 0.6));
  box-shadow: 0 30px 70px -30px rgba(200, 168, 78, 0.6);
  transform: scale(1.03);
}
.price-card.popular:hover {
  transform: scale(1.03) translateY(-8px);
  box-shadow: 0 50px 90px -30px rgba(200, 168, 78, 0.7);
}
.badge {
  position: absolute; top: -1px; right: 1.4rem;
  font-family: "JetBrains Mono", monospace; font-size: 0.62rem; letter-spacing: 0.16em;
  padding: 0.35em 0.9em; border-radius: 0 0 8px 8px;
  background: linear-gradient(135deg, var(--gold-bright), var(--gold-deep)); color: #0a0a0a; font-weight: 700;
}
.price-card header { display: flex; align-items: baseline; gap: 0.7rem; margin-bottom: 1rem; }
.plan-no { font-family: "JetBrains Mono", monospace; font-size: 0.78rem; color: var(--muted-2); }
.price-card h3 { font-family: "Sora", sans-serif; font-size: 1.3rem; font-weight: 600; }
.price { display: flex; align-items: baseline; gap: 0.1rem; margin: 0.4rem 0 0.3rem; }
.price .cur { font-size: 1.1rem; color: var(--muted); font-weight: 500; }
.price strong {
  font-family: "Sora", sans-serif; font-size: 2.6rem; font-weight: 700; letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--gold-bright), var(--gold-deep));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.plan-term { color: var(--gold); font-size: 0.85rem; font-weight: 500; }
.plan-desc { color: var(--muted); font-size: 0.92rem; margin: 0.7rem 0 1.3rem; min-height: 2.6em; }
.plan-feats { list-style: none; display: flex; flex-direction: column; gap: 0.7rem; margin-bottom: 1.6rem; flex: 1; }
.plan-feats li { position: relative; padding-left: 1.5rem; color: var(--text); font-size: 0.92rem; }
.plan-feats li::before {
  content: ""; position: absolute; left: 0; top: 0.5em; width: 14px; height: 8px;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 8' fill='none'><path d='M1 4l3 3 9-6' stroke='%23c8a84e' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/></svg>") no-repeat center/contain;
}
.price-card .btn {
  width: 100%;
  justify-content: center;
  font-size: 1rem;
  padding: 0.9em 1.5em;
  margin-top: auto;
}
.price-card .btn-outline {
  border-color: rgba(200, 168, 78, 0.5);
  color: var(--gold-bright);
  background: rgba(200, 168, 78, 0.08);
}
.price-card .btn-outline:hover {
  background: rgba(200, 168, 78, 0.15);
  border-color: var(--gold-bright);
  box-shadow: 0 10px 30px -10px rgba(200, 168, 78, 0.5);
}
.price-card .btn-primary {
  box-shadow: 0 15px 40px -10px rgba(200, 168, 78, 0.6);
}
@media (max-width: 880px) { .price-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .price-grid { grid-template-columns: 1fr; } }

/* Theme: Blue (测试卡) */
.theme-blue {
  --accent: #3b82f6;
  --accent-2: #06b6d4;
  border-color: rgba(59, 130, 246, 0.5);
  background: linear-gradient(175deg, rgba(59, 130, 246, 0.12), rgba(15, 22, 41, 0.6));
  box-shadow: 0 20px 50px -30px rgba(59, 130, 246, 0.4);
}
.theme-blue:hover {
  border-color: rgba(59, 130, 246, 0.8);
  box-shadow: 0 40px 80px -30px rgba(59, 130, 246, 0.6);
}
.theme-blue .price strong {
  background: linear-gradient(135deg, #60a5fa, #22d3ee);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.theme-blue .plan-term { color: #60a5fa; }
.theme-blue .btn-outline {
  border-color: rgba(59, 130, 246, 0.5);
  color: #60a5fa;
  background: rgba(59, 130, 246, 0.08);
}
.theme-blue .btn-outline:hover {
  background: rgba(59, 130, 246, 0.15);
  border-color: #3b82f6;
  box-shadow: 0 10px 30px -10px rgba(59, 130, 246, 0.5);
}
.theme-blue .btn-primary {
  background: linear-gradient(135deg, #3b82f6, #06b6d4);
  box-shadow: 0 15px 40px -10px rgba(59, 130, 246, 0.6);
}
.theme-blue .badge-new {
  background: linear-gradient(135deg, #3b82f6, #06b6d4) !important;
  animation: badge-pulse-blue 2s ease-in-out infinite;
}
@keyframes badge-pulse-blue {
  0%, 100% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.7); }
  50% { box-shadow: 0 0 0 8px rgba(59, 130, 246, 0); }
}

/* Theme: Green (月卡) */
.theme-green {
  --accent: #10b981;
  --accent-2: #34d399;
  border-color: rgba(16, 185, 129, 0.5);
  background: linear-gradient(175deg, rgba(16, 185, 129, 0.12), rgba(15, 22, 41, 0.6));
  box-shadow: 0 20px 50px -30px rgba(16, 185, 129, 0.4);
}
.theme-green:hover {
  border-color: rgba(16, 185, 129, 0.8);
  box-shadow: 0 40px 80px -30px rgba(16, 185, 129, 0.6);
}
.theme-green .price strong {
  background: linear-gradient(135deg, #34d399, #10b981);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.theme-green .plan-term { color: #34d399; }
.theme-green .btn-outline {
  border-color: rgba(16, 185, 129, 0.5);
  color: #34d399;
  background: rgba(16, 185, 129, 0.08);
}
.theme-green .btn-outline:hover {
  background: rgba(16, 185, 129, 0.15);
  border-color: #10b981;
  box-shadow: 0 10px 30px -10px rgba(16, 185, 129, 0.5);
}
.theme-green .btn-primary {
  background: linear-gradient(135deg, #10b981, #059669);
  box-shadow: 0 15px 40px -10px rgba(16, 185, 129, 0.6);
}

/* Theme: Gold (季卡 - POPULAR) */
.theme-gold {
  --accent: #c8a84e;
  --accent-2: #e8c766;
  border-color: rgba(200, 168, 78, 0.7);
  background: linear-gradient(175deg, rgba(200, 168, 78, 0.14), rgba(15, 22, 41, 0.6));
  box-shadow: 0 30px 70px -30px rgba(200, 168, 78, 0.6);
  transform: scale(1.03);
}
.theme-gold:hover {
  border-color: rgba(232, 199, 102, 0.9);
  box-shadow: 0 50px 90px -30px rgba(200, 168, 78, 0.7);
  transform: scale(1.03) translateY(-8px);
}
.theme-gold .price strong {
  background: linear-gradient(135deg, #e8c766, #c8a84e);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.theme-gold .plan-term { color: #e8c766; }
.theme-gold .btn-outline {
  border-color: rgba(200, 168, 78, 0.5);
  color: #e8c766;
  background: rgba(200, 168, 78, 0.08);
}
.theme-gold .btn-outline:hover {
  background: rgba(200, 168, 78, 0.15);
  border-color: #e8c766;
  box-shadow: 0 10px 30px -10px rgba(200, 168, 78, 0.5);
}
.theme-gold .btn-primary {
  background: linear-gradient(135deg, #e8c766, #c8a84e);
  box-shadow: 0 15px 40px -10px rgba(200, 168, 78, 0.6);
  color: #0a0a0a;
}

/* Theme: Purple (年卡) */
.theme-purple {
  --accent: #8b5cf6;
  --accent-2: #a78bfa;
  border-color: rgba(139, 92, 246, 0.5);
  background: linear-gradient(175deg, rgba(139, 92, 246, 0.12), rgba(15, 22, 41, 0.6));
  box-shadow: 0 20px 50px -30px rgba(139, 92, 246, 0.4);
}
.theme-purple:hover {
  border-color: rgba(139, 92, 246, 0.8);
  box-shadow: 0 40px 80px -30px rgba(139, 92, 246, 0.6);
}
.theme-purple .price strong {
  background: linear-gradient(135deg, #c4b5fd, #8b5cf6);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.theme-purple .plan-term { color: #c4b5fd; }
.theme-purple .btn-outline {
  border-color: rgba(139, 92, 246, 0.5);
  color: #c4b5fd;
  background: rgba(139, 92, 246, 0.08);
}
.theme-purple .btn-outline:hover {
  background: rgba(139, 92, 246, 0.15);
  border-color: #8b5cf6;
  box-shadow: 0 10px 30px -10px rgba(139, 92, 246, 0.5);
}
.theme-purple .btn-primary {
  background: linear-gradient(135deg, #8b5cf6, #7c3aed);
  box-shadow: 0 15px 40px -10px rgba(139, 92, 246, 0.6);
}

/* Theme: Red (永久卡) */
.theme-red {
  --accent: #ef4444;
  --accent-2: #f87171;
  border-color: rgba(239, 68, 68, 0.5);
  background: linear-gradient(175deg, rgba(239, 68, 68, 0.12), rgba(15, 22, 41, 0.6));
  box-shadow: 0 20px 50px -30px rgba(239, 68, 68, 0.4);
}
.theme-red:hover {
  border-color: rgba(239, 68, 68, 0.8);
  box-shadow: 0 40px 80px -30px rgba(239, 68, 68, 0.6);
}
.theme-red .price strong {
  background: linear-gradient(135deg, #fca5a5, #ef4444);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.theme-red .plan-term { color: #fca5a5; }
.theme-red .btn-outline {
  border-color: rgba(239, 68, 68, 0.5);
  color: #fca5a5;
  background: rgba(239, 68, 68, 0.08);
}
.theme-red .btn-outline:hover {
  background: rgba(239, 68, 68, 0.15);
  border-color: #ef4444;
  box-shadow: 0 10px 30px -10px rgba(239, 68, 68, 0.5);
}
.theme-red .btn-primary {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  box-shadow: 0 15px 40px -10px rgba(239, 68, 68, 0.6);
}

/* Feature list item color per theme */
.theme-blue .plan-feats li::before {
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 8' fill='none'><path d='M1 4l3 3 9-6' stroke='%2360a5fa' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/></svg>") no-repeat center/contain;
}
.theme-green .plan-feats li::before {
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 8' fill='none'><path d='M1 4l3 3 9-6' stroke='%2334d399' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/></svg>") no-repeat center/contain;
}
.theme-gold .plan-feats li::before {
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 8' fill='none'><path d='M1 4l3 3 9-6' stroke='%23e8c766' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/></svg>") no-repeat center/contain;
}
.theme-purple .plan-feats li::before {
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 8' fill='none'><path d='M1 4l3 3 9-6' stroke='%23c4b5fd' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/></svg>") no-repeat center/contain;
}
.theme-red .plan-feats li::before {
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 8' fill='none'><path d='M1 4l3 3 9-6' stroke='%23fca5a5' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/></svg>") no-repeat center/contain;
}

.cta { padding: 6rem 1.5rem 7rem; }
.cta-inner { text-align: center; max-width: 760px; margin: 0 auto; }
.cta-inner .display { margin: 0.4rem 0 1.2rem; }
.cta-inner .section-sub { margin-left: auto; margin-right: auto; }
.cta-inner .btn { margin-top: 1.6rem; }
.cta-stats {
  display: flex; justify-content: center; flex-wrap: wrap; gap: 2.5rem; margin-top: 3rem;
  padding-top: 2.5rem; border-top: 1px solid var(--line);
}
.cta-stats div { display: flex; flex-direction: column; gap: 0.2rem; text-align: center; }
.cta-stats strong { font-family: "Sora", sans-serif; font-size: 1.05rem; font-weight: 600; }
.cta-stats span { color: var(--muted); font-size: 0.82rem; }
@media (max-width: 560px) { .cta-stats { gap: 1.6rem; } }

.footer { border-top: 1px solid var(--line); padding: 2rem 1.5rem; }
.footer-inner { max-width: var(--maxw); margin: 0 auto; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1rem; }
.footer-copy { color: var(--muted-2); font-size: 0.82rem; }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
  * { animation: none !important; }
}
