:root{
  --bg:#0b0d10;
  --fg:#0f172a;
  --muted:#5b6473;
  --card:#ffffff;
  --alt:#f6f7f9;
  --darkcard:#0f131a;
  --darkborder:rgba(255,255,255,.10);
  --line:rgba(15,23,42,.10);
  --brand:#2dd4bf;
  --brand2:#60a5fa;
  --radius:18px;
  --container:1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  color:var(--fg);
  background:#fff;
}

.container{
  width:min(var(--container), calc(100% - 40px));
  margin:0 auto;
}

.en{opacity:.75; font-size:.92em}
.muted{color:var(--muted)}
.center{text-align:center}

.header{
  position:sticky;
  top:0;
  z-index:50;
  background:#fff;
  border-bottom:1px solid var(--line);
}
.header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
  color:inherit;
  min-width:240px;
}
.brand__logo{
  width:54px;height:54px;object-fit:contain;
}
.brand__zh{font-weight:800; letter-spacing:.02em}
.brand__en{font-size:13px; color:var(--muted); margin-top:2px}

.nav{
  display:flex;
  align-items:center;
  gap:18px;
}
.nav__link{
  text-decoration:none;
  color:var(--fg);
  font-weight:600;
  font-size:14px;
  line-height:1.1;
  text-align:center;
  padding:10px 10px;
  border-radius:12px;
}
.nav__link:hover{background:var(--alt)}
.nav__cta{
  text-decoration:none;
  color:#0b1220;
  font-weight:800;
  font-size:14px;
  line-height:1.1;
  text-align:center;
  padding:10px 14px;
  border-radius:14px;
  border:1px solid var(--line);
  background:linear-gradient(135deg, rgba(45,212,191,.25), rgba(96,165,250,.25));
}

.nav__toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:12px;
  padding:10px;
}
.nav__toggle span{
  display:block;
  height:2px;
  background:#0b1220;
  margin:5px 0;
  border-radius:2px;
}

.hero{
  padding:48px 0 34px;
  background:linear-gradient(180deg, #fff 0%, #fff 60%, var(--alt) 100%);
}
.hero__inner{
  display:grid;
  grid-template-columns: 1.25fr .75fr;
  gap:22px;
  align-items:start;
}
.hero__title{
  margin:0 0 12px;
  font-size:44px;
  line-height:1.12;
}
.hero__lead{margin:0 0 18px; font-size:16px; line-height:1.65; color:#334155}
.hero__actions{display:flex; gap:12px; flex-wrap:wrap}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:12px 16px;
  border-radius:14px;
  text-decoration:none;
  font-weight:800;
  border:1px solid var(--line);
}
.btn--primary{
  background:linear-gradient(135deg, rgba(45,212,191,.35), rgba(96,165,250,.35));
  color:#0b1220;
}
.btn--ghost{background:#fff; color:#0b1220}

.badges{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:18px;
}
.badge{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:10px 12px;
  font-weight:700;
  font-size:13px;
  line-height:1.2;
}

.hero__card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px;
}
.hero__cardTitle{font-weight:900; margin-bottom:10px}
.checklist{margin:0; padding-left:18px; color:#334155}
.checklist li{margin:8px 0}

.section{padding:52px 0}
.section--alt{background:var(--alt)}
.section__head h2{margin:0 0 10px; font-size:28px}
.section__head p{margin:0; line-height:1.65}

.grid2{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  margin-top:18px;
}

.cards3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:16px;
  margin-top:18px;
}

.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px;
}
.card h3{margin:0 0 10px; font-size:18px}
.card p{margin:0; line-height:1.65}

.card--dark{
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  color:#e5e7eb;
  border:1px solid var(--darkborder);
}
.card--dark .muted{color:rgba(229,231,235,.80)}
.card--dark .link{color:#e5e7eb}

.kv{margin:0; padding-left:18px; line-height:1.8}
.kv li{margin:6px 0}
.kv b{color:#0b1220}

.pillrow{display:flex; flex-wrap:wrap; gap:10px; margin-top:14px}
.pill{
  display:inline-flex;
  gap:8px;
  align-items:center;
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  padding:8px 12px;
  font-weight:800;
  font-size:13px;
}

.bullets{margin:0; padding-left:18px; line-height:1.8}
.flow{margin:0; padding-left:18px; line-height:1.9}

.tabs{display:flex; gap:10px; flex-wrap:wrap; margin-top:16px}
.tab{
  border:1px solid var(--line);
  background:#fff;
  padding:10px 12px;
  border-radius:999px;
  font-weight:900;
  cursor:pointer;
}
.tab.is-active{
  background:linear-gradient(135deg, rgba(45,212,191,.28), rgba(96,165,250,.28));
}
.panel{display:none; margin-top:16px}
.panel.is-active{display:block}

.contact{
  background:radial-gradient(1200px 500px at 50% 0%, rgba(96,165,250,.18), rgba(0,0,0,0)),
             linear-gradient(180deg, #0b0d10, #0b0d10);
  color:#e5e7eb;
}
.contact .section__head h2{color:#fff}
.contact .muted{color:rgba(229,231,235,.82)}
.link{display:inline-block; margin-top:8px; font-weight:900; text-decoration:none}
.link:hover{text-decoration:underline}

.footer{
  border-top:1px solid var(--line);
  background:#fff;
  padding:18px 0;
}
.footer__inner{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
}
.footer__left{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  color:#111827;
  font-size:14px;
}
.footer__link{color:#111827; text-decoration:none}
.footer__link:hover{text-decoration:underline}
.footer__right{max-width:520px}
.addr{font-size:14px; line-height:1.55; color:#111827}
.addr .en{display:block; margin-top:4px; color:#374151}

@media (max-width: 980px){
  .hero__inner{grid-template-columns:1fr}
  .grid2{grid-template-columns:1fr}
  .cards3{grid-template-columns:1fr}
  .hero__title{font-size:36px}
  .nav{display:none; position:absolute; right:20px; top:70px; background:#fff; border:1px solid var(--line); border-radius:16px; padding:10px; width:min(320px, calc(100% - 40px)); box-shadow:0 18px 40px rgba(15,23,42,.12)}
  .nav.is-open{display:flex; flex-direction:column; align-items:stretch}
  .nav__link,.nav__cta{text-align:left}
  .nav__toggle{display:inline-block}
}