:root {
  --green:#15ad5b; --green-dark:#0b8f48; --green-soft:#eefaf3;
  --ink:#15202b; --muted:#667085; --paper:#ffffff; --soft:#f7f9fb; --line:#e5e7eb;
  --warning:#fff8e6; --warning-line:#ffe1a6; --radius:22px; --shadow:0 16px 40px rgba(15,23,42,.08);
  --content-width:1120px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth;background:var(--soft)}
body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","PingFang TC","Microsoft JhengHei",Arial,sans-serif;line-height:1.7;background:radial-gradient(circle at top right,rgba(21,173,91,.14),transparent 28rem),linear-gradient(180deg,#fff 0%,#f7f9fb 100%)}
a{color:inherit}.page{width:min(100%,var(--content-width));margin:0 auto;padding:24px 18px 70px}.site-nav{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:10px 0 28px}.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:1.25rem;letter-spacing:-.02em;text-decoration:none}.brand-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--green);color:#fff;box-shadow:0 10px 24px rgba(21,173,91,.24)}.nav-links{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:10px}.nav-links a{font-weight:800;text-decoration:none;color:#344054;padding:8px 10px;border-radius:999px}.nav-links a:hover{background:#fff}.lang-link{border:1px solid var(--line);background:#fff;box-shadow:0 8px 20px rgba(15,23,42,.04)}
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center;padding:34px 0 46px}.hero.simple{grid-template-columns:1fr;padding:26px 0 28px}.badge{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:var(--green-soft);color:var(--green-dark);font-weight:900;font-size:.92rem;margin-bottom:18px}.breadcrumb{font-size:.92rem;color:var(--muted);margin-bottom:14px}.breadcrumb a{text-decoration:none;color:var(--green-dark);font-weight:800}h1{margin:0;font-size:clamp(2.35rem,6.5vw,4.8rem);line-height:1.05;letter-spacing:-.025em;color:#0f172a}.simple h1{font-size:clamp(2.1rem,5vw,4rem)}.hero-title-sub{display:block;margin-top:10px;font-size:clamp(1.18rem,2.8vw,1.9rem);color:var(--green);letter-spacing:-.03em}.hero-text{margin:22px 0 0;color:#344054;font-size:clamp(1.06rem,2vw,1.22rem);max-width:720px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 20px;border-radius:999px;font-weight:900;text-decoration:none;border:1px solid transparent;cursor:pointer}.btn-primary{background:var(--green);color:#fff;box-shadow:0 12px 28px rgba(21,173,91,.24)}.btn-primary:hover{background:var(--green-dark)}.btn-outline{background:#fff;color:var(--ink);border-color:var(--line)}.hero-note{margin-top:14px;color:var(--muted);font-size:.95rem}.phone-card{background:#f1f5f4;border:1px solid rgba(21,173,91,.16);border-radius:34px;padding:16px;box-shadow:var(--shadow);max-width:420px;margin-left:auto}.phone-screen{background:#eaf7ef;border-radius:26px;overflow:hidden;border:1px solid rgba(15,23,42,.08)}.phone-top{padding:16px;background:var(--green);color:#fff;font-weight:900;display:flex;justify-content:space-between;align-items:center}.chat-body{padding:18px;min-height:360px;background:radial-gradient(circle at 20% 20%,rgba(255,255,255,.8),transparent 10rem),#eaf7ef}.bubble{width:fit-content;max-width:88%;background:#fff;border-radius:16px 16px 16px 4px;padding:12px 14px;margin-bottom:12px;box-shadow:0 5px 14px rgba(15,23,42,.06);font-size:.95rem}.bubble.sent{margin-left:auto;background:#d9fdd3;border-radius:16px 16px 4px 16px}.chat-input{display:flex;gap:8px;padding:12px;background:rgba(255,255,255,.86);border-top:1px solid rgba(15,23,42,.08)}.fake-input{flex:1;height:42px;border-radius:999px;background:#fff;color:var(--muted);display:flex;align-items:center;padding:0 14px;font-size:.9rem}.fake-send{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--green);color:#fff;font-weight:900}
.section{padding:44px 0}.section-head{max-width:780px;margin-bottom:24px}.kicker{color:var(--green);font-weight:900;margin-bottom:8px;letter-spacing:.04em;text-transform:uppercase;font-size:.82rem}h2{margin:0;font-size:clamp(1.75rem,4vw,2.8rem);line-height:1.15;letter-spacing:-.04em;color:#0f172a}.section-desc{margin:14px 0 0;color:var(--muted);font-size:1.05rem}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 12px 30px rgba(15,23,42,.05)}.card-link{text-decoration:none;display:block;height:100%}.card-link:hover{transform:translateY(-2px);transition:transform .18s ease}.icon{width:44px;height:44px;border-radius:14px;background:var(--green-soft);color:var(--green);display:grid;place-items:center;font-weight:900;margin-bottom:14px;font-size:1.15rem}.card h3{margin:0 0 8px;font-size:1.18rem;line-height:1.35}.card p{margin:0;color:var(--muted)}.how{display:grid;gap:16px}.step{display:grid;grid-template-columns:54px 1fr;gap:16px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:0 12px 30px rgba(15,23,42,.04)}.step-no{width:54px;height:54px;border-radius:18px;background:var(--green);color:#fff;display:grid;place-items:center;font-weight:900;font-size:1.18rem;box-shadow:0 10px 22px rgba(21,173,91,.22)}.step h3{margin:0 0 6px;font-size:1.22rem}.step p{margin:0;color:var(--muted)}.example-wrap{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:stretch}.code-card{background:#0f172a;color:#e5e7eb;border-radius:var(--radius);padding:20px;overflow:hidden;box-shadow:var(--shadow)}.code-card h3{margin:0 0 12px;color:#fff;font-size:1.05rem}pre{margin:0;white-space:pre-wrap;word-break:break-word;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono",monospace;font-size:.92rem;line-height:1.6}.highlight{color:#86efac;font-weight:700}.use-cases{display:flex;flex-wrap:wrap;gap:10px}.pill{padding:10px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#344054;font-weight:800;box-shadow:0 8px 20px rgba(15,23,42,.04);text-decoration:none}.notice{background:var(--warning);border:1px solid var(--warning-line);border-radius:var(--radius);padding:20px;color:#594200}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 12px 30px rgba(15,23,42,.04)}table{border-collapse:collapse;width:100%;min-width:720px}th,td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:#f8fafc;color:#0f172a}tr:last-child td{border-bottom:0}.cta{margin-top:30px;background:radial-gradient(circle at top right,rgba(255,255,255,.38),transparent 18rem),linear-gradient(135deg,var(--green),var(--green-dark));color:#fff;border-radius:30px;padding:32px;box-shadow:0 18px 50px rgba(21,173,91,.24);display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}.cta h2{color:#fff;font-size:clamp(1.6rem,3.3vw,2.5rem)}.cta p{margin:12px 0 0;color:rgba(255,255,255,.88)}.cta .btn{background:#fff;color:var(--green-dark);white-space:nowrap}.code{color:#0808ec}.video-placeholder{background:#0f172a;color:#fff;border-radius:28px;padding:40px;min-height:280px;display:grid;place-items:center;text-align:center;box-shadow:var(--shadow)}.video-placeholder strong{display:block;font-size:1.5rem;margin-bottom:8px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:22px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line);color:var(--muted);font-size:.94rem}.footer-grid a{color:#344054;text-decoration:none;font-weight:800}.footer-grid h3{font-size:1rem;color:#0f172a;margin:0 0 10px}.footer-grid p{margin:0 0 8px}.disclaimer{font-size:.84rem;color:var(--muted);text-align:center;margin-top:30px}
@media(max-width:900px){.hero{grid-template-columns:1fr;padding-top:16px}.phone-card{margin:0;max-width:none}.grid-3,.grid-2{grid-template-columns:1fr}.example-wrap{grid-template-columns:1fr}.cta{grid-template-columns:1fr}.cta .btn{width:100%}.footer-grid{grid-template-columns:1fr}.site-nav{align-items:flex-start;flex-direction:column}.nav-links{justify-content:flex-start}}
@media(max-width:520px){.page{padding-left:16px;padding-right:16px}.step{grid-template-columns:1fr}.nav-links a{padding:7px 8px}}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.pricing-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 12px 30px rgba(15, 23, 42, .05);
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.pricing-card.featured {
  border-color: var(--green);
  box-shadow: 0 16px 42px rgba(21, 173, 91, .16);
}

.pricing-badge {
  display: inline-flex;
  width: fit-content;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green-dark);
  font-size: .78rem;
  font-weight: 900;
  margin-bottom: 14px;
}

.pricing-card h3 {
  margin: 0 0 8px;
  font-size: 1.2rem;
}

.pricing-desc {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: .96rem;
}

.price {
  margin: 0 0 18px;
}

.price-main {
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: -.04em;
  color: #0f172a;
}

.price-unit {
  color: var(--muted);
  font-weight: 700;
}

.pricing-list {
  list-style: none;
  padding: 0;
  margin: 0 0 22px;
  color: #344054;
  font-size: .94rem;
}

.pricing-list li {
  margin-bottom: 9px;
}

.pricing-card .btn {
  margin-top: auto;
  width: 100%;
}

.pricing-note {
  margin-top: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  color: var(--muted);
  box-shadow: 0 12px 30px rgba(15, 23, 42, .04);
}

@media (max-width: 980px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 620px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }
}