:root {
  --bg: #05060f;
  --panel: rgba(16, 20, 40, .72);
  --line: rgba(120, 140, 255, .16);
  --text: #e8ecff;
  --mute: #9aa3c7;
  --cyan: #5ce1e6;
  --pink: #ff3fa4;
  --gold: #f0bc54;
  --wa: #25d366;
  --radius: 18px;
  --font: "PingFang HK", "PingFang SC", "Microsoft JhengHei", "Microsoft YaHei", "Noto Sans CJK TC", "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { background: var(--bg); color: var(--text); font-family: var(--font); line-height: 1.6; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { display: block; }

/* background */
.bg-grid { position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, #000 30%, transparent 75%);
  animation: grid 18s linear infinite; }
@keyframes grid { to { background-position: 0 56px, 56px 0; } }
.bg-glow { position: fixed; inset: -20%; z-index: -3; pointer-events: none;
  background: radial-gradient(circle at 18% 22%, rgba(255, 63, 164, .22), transparent 32%),
              radial-gradient(circle at 82% 12%, rgba(92, 225, 230, .20), transparent 30%),
              radial-gradient(circle at 60% 85%, rgba(110, 80, 255, .16), transparent 35%); }

/* nav */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 50; display: flex; align-items: center; gap: 2rem;
  padding: .9rem clamp(1rem, 4vw, 3rem); transition: background .3s, border-color .3s; border-bottom: 1px solid transparent; }
.nav.scrolled { background: rgba(5, 6, 15, .82); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-color: var(--line); }
.logo { font-weight: 900; font-size: 1.6rem; letter-spacing: .02em; color: var(--cyan); text-shadow: 0 0 12px rgba(92, 225, 230, .7); }
.logo span { color: var(--pink); text-shadow: 0 0 12px rgba(255, 63, 164, .8); }
.nav-links { display: flex; gap: 1.8rem; margin-left: auto; }
.nav-links a { color: var(--mute); font-size: .95rem; transition: color .2s; }
.nav-links a:hover { color: #fff; }
.nav-right { display: flex; align-items: center; gap: .8rem; }
.lang { background: none; border: 1px solid var(--line); color: var(--text); border-radius: 999px; width: 2.4rem; height: 2.4rem; cursor: pointer; font: inherit; font-weight: 700; }
.lang:hover { border-color: var(--cyan); color: var(--cyan); }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: .6rem; padding: .95rem 1.6rem; border-radius: 999px; font-weight: 800; font-size: 1.05rem; transition: transform .2s, box-shadow .2s, background .2s; cursor: pointer; }
.btn img { width: 1.3em; height: 1.3em; }
.btn-wa { background: var(--wa); color: #04210f; box-shadow: 0 0 0 0 rgba(37, 211, 102, .6), 0 10px 30px -8px rgba(37, 211, 102, .6); }
.btn-wa img { filter: brightness(0) saturate(100%) invert(9%) sepia(32%) saturate(2000%) hue-rotate(110deg); }
.btn-wa:hover { transform: translateY(-2px); box-shadow: 0 0 0 6px rgba(37, 211, 102, .15), 0 14px 36px -8px rgba(37, 211, 102, .8); }
.btn-ghost { border: 1px solid rgba(255, 255, 255, .22); background: rgba(255, 255, 255, .04); }
.btn-ghost:hover { border-color: #07c160; box-shadow: 0 0 24px -6px #07c160; transform: translateY(-2px); }
.btn-sm { padding: .55rem 1.1rem; font-size: .9rem; }

/* hero */
main { max-width: 1200px; margin: 0 auto; padding: 0 clamp(1.2rem, 4vw, 2.5rem); }
.hero { min-height: 100vh; display: grid; grid-template-columns: 1.25fr .9fr; align-items: center; gap: 3rem; padding: 7rem 0 4rem; }
.eyebrow { display: inline-block; color: var(--cyan); border: 1px solid rgba(92, 225, 230, .35); background: rgba(92, 225, 230, .06); padding: .35rem 1rem; border-radius: 999px; font-size: .9rem; letter-spacing: .06em; margin-bottom: 1.6rem; }
h1 { font-size: clamp(2.3rem, 6.4vw, 4.8rem); line-height: 1.08; font-weight: 900; letter-spacing: -.01em; }
h1 > span { white-space: nowrap; }
.neon-pink { color: var(--pink); text-shadow: 0 0 8px rgba(255, 63, 164, .9), 0 0 30px rgba(255, 63, 164, .7), 0 0 70px rgba(255, 63, 164, .45); animation: flicker 6s infinite; }
@keyframes flicker { 0%, 92%, 100% { opacity: 1; } 93% { opacity: .55; } 94% { opacity: 1; } 96% { opacity: .7; } 97% { opacity: 1; } }
.lead { margin: 1.6rem 0 2.2rem; font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--mute); max-width: 36em; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 1rem; }
.hero-stats { list-style: none; display: flex; gap: 2.5rem; margin-top: 3rem; }
.hero-stats b { display: block; font-size: 2.2rem; font-weight: 900; color: #fff; text-shadow: 0 0 18px rgba(92, 225, 230, .6); }
.hero-stats span { color: var(--mute); font-size: .9rem; }

/* phone mock */
.phone { position: relative; width: 100%; max-width: 380px; justify-self: center; border-radius: 36px; padding: 14px; background: linear-gradient(160deg, #1b1f3a, #0b0d1c);
  border: 1px solid rgba(255, 255, 255, .1); box-shadow: 0 0 0 1px rgba(92, 225, 230, .25), 0 0 60px -10px rgba(92, 225, 230, .45), 0 0 120px -20px rgba(255, 63, 164, .35); animation: float 6s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-12px); } }
.phone-top { display: flex; align-items: center; gap: .7rem; padding: .7rem .8rem; background: #0f1b17; border-radius: 24px 24px 0 0; }
.phone-top small { display: block; font-size: .75rem; }
.online { color: var(--wa); }
.avatar { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; font-weight: 900; background: radial-gradient(circle, #ff3fa4, #7a1d55); box-shadow: 0 0 14px rgba(255, 63, 164, .7); }
.clock { margin-left: auto; color: var(--cyan); font-weight: 700; font-size: .85rem; }
.chat { height: 380px; overflow: hidden; display: flex; flex-direction: column; justify-content: flex-end; gap: .6rem; padding: 1rem .8rem; background: #0a1210 radial-gradient(circle at 50% 0, rgba(37, 211, 102, .08), transparent 60%); }
.msg { max-width: 82%; padding: .6rem .85rem; border-radius: 14px; font-size: .95rem; line-height: 1.45; animation: pop .35s ease-out both; position: relative; }
.msg small { display: block; text-align: right; font-size: .68rem; opacity: .6; margin-top: .2rem; }
.msg.in { align-self: flex-start; background: #1d2633; border-top-left-radius: 4px; }
.msg.out { align-self: flex-end; background: #0f5e3a; border-top-right-radius: 4px; box-shadow: 0 0 18px -6px rgba(37, 211, 102, .7); }
.msg.out small { color: #8ef5b8; opacity: .9; }
.typing { align-self: flex-end; background: #0f5e3a; padding: .7rem .9rem; border-radius: 14px; display: flex; gap: 4px; }
.typing i { width: 7px; height: 7px; border-radius: 50%; background: #b9ffd6; animation: dot 1s infinite; }
.typing i:nth-child(2) { animation-delay: .15s; } .typing i:nth-child(3) { animation-delay: .3s; }
@keyframes dot { 50% { transform: translateY(-4px); opacity: .4; } }
@keyframes pop { from { opacity: 0; transform: translateY(10px) scale(.96); } }
.phone-input { display: flex; align-items: center; justify-content: space-between; padding: .8rem 1rem; background: #0f1b17; border-radius: 0 0 24px 24px; color: #5b6b66; font-size: .85rem; }
.phone-input i { width: 30px; height: 30px; border-radius: 50%; background: var(--wa); }

/* strip */
.strip { text-align: center; padding: 2rem 0 4rem; }
.strip p { color: var(--mute); margin-bottom: 1.2rem; }
.chips { display: flex; flex-wrap: wrap; justify-content: center; gap: .8rem; }
.chip { display: inline-flex; align-items: center; gap: .5rem; padding: .55rem 1.2rem; border-radius: 999px; border: 1px solid var(--line); background: var(--panel); font-weight: 700; }
.chip img { width: 20px; height: 20px; }

/* sections */
.section { padding: 5rem 0; }
.sec-head { text-align: center; max-width: 760px; margin: 0 auto 3rem; }
.sec-head h2, .contact h2 { font-size: clamp(2rem, 4.5vw, 3.2rem); font-weight: 900; line-height: 1.2; margin: .8rem 0; }
.sec-head p { color: var(--mute); font-size: 1.1rem; }
.tag { display: inline-block; padding: .25rem .9rem; border-radius: 999px; font-size: .85rem; font-weight: 800; letter-spacing: .08em; }
.tag.cyan { color: var(--cyan); background: rgba(92, 225, 230, .1); box-shadow: inset 0 0 0 1px rgba(92, 225, 230, .4); }
.tag.pink { color: var(--pink); background: rgba(255, 63, 164, .1); box-shadow: inset 0 0 0 1px rgba(255, 63, 164, .4); }
.tag.gold { color: var(--gold); background: rgba(240, 188, 84, .1); box-shadow: inset 0 0 0 1px rgba(240, 188, 84, .4); }

.card { position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.8rem; transition: transform .3s, border-color .3s, box-shadow .3s; backdrop-filter: blur(8px); }
.card:hover { transform: translateY(-6px); border-color: rgba(92, 225, 230, .5); box-shadow: 0 0 40px -12px rgba(92, 225, 230, .6); }
.card h3 { font-size: 1.25rem; margin-bottom: .5rem; }
.card p { color: var(--mute); font-size: .97rem; }
.ico { font-size: 2rem; width: 3.6rem; height: 3.6rem; display: grid; place-items: center; border-radius: 14px; margin-bottom: 1.2rem; background: linear-gradient(135deg, rgba(92, 225, 230, .18), rgba(255, 63, 164, .18)); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .08); }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }

/* army */
.army { display: grid; grid-template-columns: 1.1fr 1fr; gap: 1.5rem; align-items: stretch; }
.arch { border-radius: var(--radius); padding: 2rem; border: 1px solid rgba(255, 63, 164, .35); background: radial-gradient(circle at 50% 0, rgba(255, 63, 164, .16), transparent 60%), var(--panel); box-shadow: 0 0 60px -25px rgba(255, 63, 164, .8); display: flex; flex-direction: column; gap: 1.4rem; text-align: center; }
.core small, .squad small { display: block; color: var(--mute); font-size: .85rem; }
.orb { width: 92px; height: 92px; margin: 0 auto .7rem; border-radius: 50%; display: grid; place-items: center; font-weight: 900; font-size: 1.7rem;
  background: radial-gradient(circle at 35% 30%, #ff8ccc, #ff3fa4 45%, #5a1240); box-shadow: 0 0 30px rgba(255, 63, 164, .9), 0 0 80px rgba(255, 63, 164, .5); animation: pulse 3s ease-in-out infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 45px rgba(255, 63, 164, 1), 0 0 120px rgba(255, 63, 164, .6); transform: scale(1.04); } }
.squads { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.squad { border: 1px solid rgba(92, 225, 230, .3); border-radius: 14px; padding: 1rem; background: rgba(92, 225, 230, .05); }
.dots { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; margin-top: .8rem; }
.dots i { aspect-ratio: 1; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); animation: blink 2.4s infinite; }
.dots i:nth-child(3n) { animation-delay: .6s; } .dots i:nth-child(3n+1) { animation-delay: 1.2s; } .dots i:nth-child(4n) { animation-delay: 1.8s; }
@keyframes blink { 50% { opacity: .25; } }
.arch-bottom { display: flex; flex-wrap: wrap; justify-content: center; gap: .6rem; }
.arch-bottom span { font-size: .85rem; padding: .4rem .8rem; border-radius: 10px; border: 1px dashed rgba(255, 255, 255, .25); color: var(--mute); }
.adv { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.scenes { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; margin-top: 1.5rem; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: var(--line); }
.scenes div { background: rgba(10, 12, 26, .92); padding: 1.3rem; }
.scenes b { display: block; color: var(--cyan); margin-bottom: .3rem; }
.scenes span { color: var(--mute); font-size: .9rem; }

/* compare */
.compare { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 1.5rem; }
.compare .col { border-radius: var(--radius); padding: 2rem; border: 1px solid var(--line); background: var(--panel); }
.compare .col.old { opacity: .75; }
.compare .col.new { border-color: rgba(92, 225, 230, .55); box-shadow: 0 0 60px -20px rgba(92, 225, 230, .8); }
.compare h3 { font-size: 1.3rem; margin-bottom: 1rem; }
.compare ul { list-style: none; }
.compare li { display: flex; justify-content: space-between; padding: .75rem 0; border-bottom: 1px solid var(--line); }
.compare li:last-child { border: 0; }
.compare li span { color: var(--mute); }
.col.old b { text-decoration: line-through; text-decoration-color: rgba(255, 63, 164, .7); }
.col.new b { color: var(--cyan); }
.vs { font-weight: 900; font-size: 1.6rem; color: var(--pink); text-shadow: 0 0 20px var(--pink); }
.package { margin-top: 1.5rem; display: grid; grid-template-columns: 1.3fr 1fr; gap: 1.5rem; border-radius: var(--radius); padding: 2.2rem; border: 1px solid rgba(240, 188, 84, .4); background: radial-gradient(circle at 100% 0, rgba(240, 188, 84, .14), transparent 50%), var(--panel); }
.package h3 { font-size: 1.3rem; margin-bottom: 1rem; }
.ticks { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: .55rem 1rem; }
.ticks li::before { content: "✓"; color: var(--wa); font-weight: 900; margin-right: .5rem; }
.note { color: var(--mute); font-size: .9rem; margin-top: 1rem; }
.price-box { text-align: center; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .6rem; border-left: 1px solid var(--line); padding-left: 1.5rem; }
.price-box small { color: var(--gold); font-weight: 700; letter-spacing: .1em; }
.price { font-size: 1.3rem; color: var(--mute); }
.price b { font-size: 3.4rem; color: #fff; font-weight: 900; text-shadow: 0 0 24px rgba(240, 188, 84, .7); }
.price-box p { color: var(--mute); font-size: .9rem; margin-bottom: .6rem; }

/* steps */
.steps { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; counter-reset: s; }
.steps li { position: relative; padding: 2rem; border-radius: var(--radius); border: 1px solid var(--line); background: var(--panel); }
.steps b { font-size: 3rem; font-weight: 900; line-height: 1; background: linear-gradient(135deg, var(--cyan), var(--pink)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.steps h3 { margin: .8rem 0 .4rem; font-size: 1.3rem; }
.steps p { color: var(--mute); }

/* contact */
.contact { display: grid; grid-template-columns: 1.4fr 1fr; gap: 2rem; align-items: center; padding: 3rem; border-radius: 28px; border: 1px solid rgba(92, 225, 230, .4);
  background: radial-gradient(circle at 0 0, rgba(255, 63, 164, .18), transparent 45%), radial-gradient(circle at 100% 100%, rgba(92, 225, 230, .18), transparent 45%), var(--panel); box-shadow: 0 0 80px -30px rgba(92, 225, 230, .8); }
.contact > div > p { color: var(--mute); font-size: 1.1rem; margin-bottom: 1.6rem; }
.ways { list-style: none; display: grid; gap: .8rem; }
.ways li { display: grid; grid-template-columns: 28px 6.5rem 1fr; align-items: center; gap: .8rem; padding: .9rem 1.2rem; border-radius: 14px; background: rgba(255, 255, 255, .04); border: 1px solid var(--line); }
.ways img { width: 26px; height: 26px; }
.ways .emoji { font-size: 1.3rem; text-align: center; }
.ways span { color: var(--mute); }
.ways a, .ways b { font-weight: 800; font-size: 1.1rem; }
.ways a:hover { color: var(--cyan); }
.copy { cursor: pointer; }
.copy.done::after { content: " ✓"; color: var(--wa); }
.qr { text-align: center; }
.qr img { width: min(260px, 100%); margin: 0 auto .8rem; padding: 14px; background: #fff; border-radius: 18px; box-shadow: 0 0 0 4px rgba(37, 211, 102, .6), 0 0 50px rgba(37, 211, 102, .5); }
.qr small { color: var(--mute); }

.footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; max-width: 1200px; margin: 3rem auto 0; padding: 2rem clamp(1.2rem, 4vw, 2.5rem); border-top: 1px solid var(--line); color: var(--mute); font-size: .9rem; }
.float-wa { position: fixed; right: 1.2rem; bottom: 1.2rem; z-index: 60; width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center; background: var(--wa); box-shadow: 0 8px 30px -6px rgba(37, 211, 102, .9); animation: ring 2.5s infinite; }
.float-wa img { width: 30px; height: 30px; filter: brightness(0) invert(1); }
@keyframes ring { 0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, .6); } 70% { box-shadow: 0 0 0 16px rgba(37, 211, 102, 0); } }

/* reveal */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* responsive */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; padding-top: 6.5rem; min-height: auto; }
  .grid4 { grid-template-columns: 1fr 1fr; }
  .army, .package, .contact { grid-template-columns: 1fr; }
  .scenes { grid-template-columns: 1fr 1fr; }
  .price-box { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 1.5rem; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-right { margin-left: auto; }
  .grid4, .adv, .steps, .ticks, .squads { grid-template-columns: 1fr; }
  .scenes { grid-template-columns: 1fr; }
  .compare { grid-template-columns: 1fr; }
  .vs { text-align: center; }
  .hero-stats { gap: 1.5rem; }
  .contact { padding: 1.6rem; }
  .ways li { grid-template-columns: 26px 4.5rem 1fr; padding: .8rem; }
  .section { padding: 3.5rem 0; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}