:root{
  --bg:#070b14;
  --panel:#0b1220;
  --panel2:#0a1020;
  --text:#e8eefc;
  --muted:#a9b4d0;
  --line:rgba(255,255,255,.10);
  --glow: rgba(125,211,252,.35);
  --glow2: rgba(167,139,250,.22);
  --accent:#7dd3fc;
  --accent2:#a78bfa;

  --radius: 16px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --container: 1120px;
  --font: ui-sans-serif, system-ui, -apple-system, "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", Segoe UI, Roboto, Arial;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: var(--font);
  background: radial-gradient(1200px 800px at 20% -10%, rgba(125,211,252,.12), transparent 60%),
              radial-gradient(900px 700px at 90% 10%, rgba(167,139,250,.10), transparent 60%),
              var(--bg);
  color: var(--text);
}

a{ color:inherit; text-decoration:none; }
.container{
  width:min(var(--container), calc(100% - 40px));
  margin:0 auto;
}

.site-header{
  position:sticky; top:0; z-index:50;
  background: rgba(7,11,20,.6);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
}
.brand{ display:flex; gap:10px; align-items:center; }
.brand-logo{ width:30px; height:30px; }
.brand-text{ font-weight:700; letter-spacing:.2px; }
.dot{ color: var(--accent); }

.nav{
  display:flex; align-items:center; gap:18px;
}
.nav a{ color: var(--muted); font-weight:600; }
.nav a:hover{ color: var(--text); }

.nav-toggle{
  display:none;
  background:transparent; border:1px solid var(--line);
  color: var(--text);
  border-radius: 12px;
  padding:8px 10px;
}

.hero{
  position:relative;
  overflow:hidden;
  padding:64px 0 36px;
}
.hero-inner{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:28px;
  align-items:start;
}
.pill{
  display:inline-block;
  padding:8px 12px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius:999px;
  color: var(--muted);
  font-weight:600;
  font-size:14px;
}
h1{
  margin:14px 0 10px;
  font-size: clamp(34px, 4.2vw, 52px);
  line-height:1.05;
  letter-spacing:-.5px;
}
.glow{
  text-shadow: 0 0 40px var(--glow), 0 0 65px var(--glow2);
}
.lead{
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 17px;
  line-height:1.6;
  max-width: 44ch;
}
.cta-row{ display:flex; gap:12px; flex-wrap:wrap; margin: 18px 0 22px; }

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:12px 16px;
  border-radius: 14px;
  border:1px solid rgba(125,211,252,.28);
  background: linear-gradient(180deg, rgba(125,211,252,.20), rgba(125,211,252,.08));
  color: var(--text);
  font-weight:800;
  box-shadow: var(--shadow);
  cursor:pointer;
}
.btn:hover{ filter: brightness(1.05); }
.btn-small{ padding:10px 12px; border-radius: 12px; box-shadow:none; }
.btn-ghost{
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  color: var(--text);
  box-shadow:none;
}

.stats{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap:12px;
}
.stat{
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius: var(--radius);
  padding:12px 12px;
}
.stat-num{ font-weight:900; letter-spacing:.2px; }
.stat-label{ color: var(--muted); font-size: 13px; margin-top:6px; line-height:1.4; }

.card{
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius: var(--radius);
  padding:16px;
}
.glass{
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  box-shadow: var(--shadow);
}
.card-title{
  font-weight:900;
  margin-bottom:10px;
}
.checklist{
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height:1.7;
}
.mini-note{
  margin-top:12px;
  padding-top:12px;
  border-top:1px dashed var(--line);
  color: var(--muted);
  font-size: 13px;
}
.mono{ font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace; }

.grid-2{
  margin-top:12px;
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap:10px;
}
.chip{
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius: 999px;
  padding:10px 12px;
  color: var(--muted);
  font-weight:700;
  text-align:center;
}

.section{
  padding:56px 0;
}
.section.alt{
  background: linear-gradient(180deg, transparent, rgba(255,255,255,.02), transparent);
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
h2{
  margin:0 0 10px;
  font-size: 28px;
  letter-spacing:-.2px;
}
.sub{
  margin:0 0 18px;
  color: var(--muted);
  line-height:1.6;
  max-width: 72ch;
}
.cards{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap:14px;
}
.cards .card h3{ margin:0 0 8px; }
.cards .card p{ margin:0 0 10px; color: var(--muted); line-height:1.6; }
.bullets{ margin:0; padding-left: 18px; color: var(--muted); line-height:1.7; }

.steps{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap:14px;
  margin-top: 12px;
}
.step{
  display:flex;
  gap:12px;
  align-items:flex-start;
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius: var(--radius);
  padding:14px;
}
.step-num{
  width:34px; height:34px; border-radius: 12px;
  display:flex; align-items:center; justify-content:center;
  border:1px solid rgba(125,211,252,.25);
  background: rgba(125,211,252,.08);
  font-weight:900;
}
.step-body h4{ margin:0 0 6px; }
.step-body p{ margin:0; color: var(--muted); line-height:1.6; }

.note-box{
  margin-top: 14px;
  border:1px solid rgba(167,139,250,.22);
  background: rgba(167,139,250,.06);
  border-radius: var(--radius);
  padding:14px;
  color: var(--muted);
  line-height:1.6;
}

.faq details{
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 10px;
}
.faq summary{
  cursor:pointer;
  font-weight:800;
}
.faq p{ margin:10px 0 0; color: var(--muted); line-height:1.7; }

.form{
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius: var(--radius);
  padding: 16px;
}
.form .row{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap:12px;
}
label{
  display:block;
  color: var(--muted);
  font-weight:700;
  font-size: 14px;
}
input,select,textarea{
  width:100%;
  margin-top:8px;
  padding:12px 12px;
  border-radius: 12px;
  border:1px solid var(--line);
  background: rgba(0,0,0,.25);
  color: var(--text);
  outline:none;
}
input:focus,select:focus,textarea:focus{
  border-color: rgba(125,211,252,.35);
  box-shadow: 0 0 0 3px rgba(125,211,252,.12);
}
.form-actions{
  display:flex; gap:12px; flex-wrap:wrap;
  margin-top: 12px;
}
.form-hint{
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  line-height:1.6;
}

.footer{
  padding: 26px 0 18px;
  border-top:1px solid var(--line);
}
.footer-inner{
  display:flex; justify-content:space-between; align-items:center;
  gap:16px; flex-wrap:wrap;
}
.footer-brand{ font-weight:900; }
.footer-sub{ color: var(--muted); margin-top:6px; }
.footer-links{ display:flex; gap:14px; color: var(--muted); font-weight:700; }
.footer-links a:hover{ color: var(--text); }
.footer-bottom{
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

.bg-orb{
  position:absolute;
  width: 520px; height: 520px;
  border-radius: 999px;
  filter: blur(60px);
  opacity:.25;
  pointer-events:none;
}
.orb1{ left:-180px; top: 40px; background: radial-gradient(circle at 30% 30%, var(--accent), transparent 65%); }
.orb2{ right:-220px; top: -40px; background: radial-gradient(circle at 30% 30%, var(--accent2), transparent 65%); }

@media (max-width: 900px){
  .hero-inner{ grid-template-columns: 1fr; }
  .cards{ grid-template-columns: 1fr; }
  .steps{ grid-template-columns: 1fr; }
  .stats{ grid-template-columns: 1fr; }
  .nav{ display:none; }
  .nav-toggle{ display:inline-flex; }
}