:root {
  --ink: #17221d;
  --muted: #617068;
  --paper: #f7f8f4;
  --surface: #ffffff;
  --line: #dfe5df;
  --green: #1f6f55;
  --green-dark: #174f3e;
  --lime: #d9ef9f;
  --orange: #ee8d54;
  --shadow: 0 24px 70px rgba(27, 52, 40, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 85% 3%, rgba(217, 239, 159, .52), transparent 28rem),
    radial-gradient(circle at 4% 28%, rgba(238, 141, 84, .13), transparent 24rem),
    var(--paper);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", sans-serif;
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
.shell { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; top: -80px; left: 16px; z-index: 100; padding: 10px 16px; background: var(--ink); color: #fff; }
.skip-link:focus { top: 12px; }

.site-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(223, 229, 223, .9);
  background: rgba(247, 248, 244, .9);
  backdrop-filter: blur(16px);
}
.nav-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 850; letter-spacing: -.02em; }
.brand-mark { display: grid; width: 38px; height: 38px; place-items: center; border-radius: 12px; color: #fff; background: var(--green); }
.nav-links { display: flex; align-items: center; gap: 22px; color: #405047; font-weight: 700; }
.lang-link { padding-left: 18px; border-left: 1px solid var(--line); }

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border: 1px solid var(--green);
  border-radius: 999px;
  color: var(--green-dark);
  background: transparent;
  font-weight: 800;
  cursor: pointer;
}
.button.primary { color: #fff; background: var(--green); box-shadow: 0 12px 30px rgba(31, 111, 85, .2); }
.button.primary:hover { background: var(--green-dark); }
.button.light { border-color: #fff; color: var(--green-dark); background: #fff; }
.eyebrow { margin: 0 0 14px; color: var(--green); font-size: .83rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }

.hero { padding: 74px 0 54px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, .92fr) minmax(480px, 1.08fr); align-items: center; gap: 60px; }
.hero h1 { max-width: 760px; margin: 0; font-size: clamp(3rem, 6vw, 5.7rem); line-height: .99; letter-spacing: -.065em; }
.hero h1 span { color: var(--green); }
.hero-lede { max-width: 650px; margin: 28px 0 0; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.3rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-note { margin: 16px 0 0; color: #728078; font-size: .92rem; }
.hero-visual { position: relative; margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 34px; background: #fff; box-shadow: var(--shadow); }
.hero-visual img { width: 100%; height: auto; }
.hero-badge { position: absolute; right: 18px; bottom: 18px; max-width: 260px; padding: 14px 18px; border-radius: 16px; color: #fff; background: rgba(23, 34, 29, .88); backdrop-filter: blur(10px); font-weight: 750; }

.proof { padding: 12px 0 70px; }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden; border: 1px solid var(--line); border-radius: 24px; background: rgba(255, 255, 255, .75); }
.proof-item { padding: 24px; border-right: 1px solid var(--line); }
.proof-item:last-child { border: 0; }
.proof-item strong { display: block; color: var(--green); font-size: 1.35rem; }
.proof-item span { color: var(--muted); font-size: .92rem; }

section { padding: 82px 0; }
.section-head { max-width: 760px; margin-bottom: 38px; }
.section-head h2, .split-copy h2 { margin: 0; font-size: clamp(2.1rem, 4.5vw, 4rem); line-height: 1.08; letter-spacing: -.045em; }
.section-head p, .split-copy > p { margin: 18px 0 0; color: var(--muted); font-size: 1.08rem; }
.dark-section { color: #fff; background: var(--ink); }
.dark-section .eyebrow { color: var(--lime); }
.dark-section .section-head p { color: #bdc8c1; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { padding: 28px; border: 1px solid var(--line); border-radius: 22px; background: var(--surface); }
.card .number { display: inline-grid; width: 40px; height: 40px; place-items: center; border-radius: 12px; color: var(--green-dark); background: var(--lime); font-weight: 900; }
.card h3 { margin: 18px 0 10px; font-size: 1.28rem; }
.card p { margin: 0; color: var(--muted); }
.dark-section .card { border-color: #35443c; background: #213029; }
.dark-section .card p { color: #b9c6be; }

.split { display: grid; grid-template-columns: .9fr 1.1fr; align-items: start; gap: 70px; }
.workflow { display: grid; gap: 14px; }
.workflow article { display: grid; grid-template-columns: 54px 1fr; gap: 18px; padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.workflow b { display: grid; width: 48px; height: 48px; place-items: center; border-radius: 14px; color: #fff; background: var(--green); }
.workflow h3 { margin: 0 0 6px; }
.workflow p { margin: 0; color: var(--muted); }

.examples-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.example { overflow: hidden; border: 1px solid var(--line); border-radius: 24px; background: #fff; }
.example-images { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; background: var(--line); }
.example-images figure { position: relative; margin: 0; background: #eef1ec; }
.example-images img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.example-images figcaption { position: absolute; left: 10px; bottom: 10px; padding: 4px 9px; border-radius: 999px; color: #fff; background: rgba(23, 34, 29, .82); font-size: .75rem; font-weight: 800; }
.example-copy { padding: 20px 22px; }
.example-copy h3 { margin: 0 0 5px; }
.example-copy p { margin: 0; color: var(--muted); }

.pilot { border-radius: 34px; background: linear-gradient(135deg, var(--green-dark), var(--green)); color: #fff; }
.pilot-inner { display: grid; grid-template-columns: .85fr 1.15fr; gap: 52px; padding: 58px; }
.pilot-copy .eyebrow { color: var(--lime); }
.pilot-copy h2 { margin: 0; font-size: clamp(2.3rem, 4vw, 4rem); line-height: 1.04; }
.pilot-copy p { color: #dce8e1; }
.pilot-copy ul { padding-left: 20px; color: #e8f1ec; }
.lead-form { padding: 28px; border-radius: 24px; color: var(--ink); background: #fff; box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: .9rem; font-weight: 800; }
.field input, .field select, .field textarea { width: 100%; min-height: 47px; padding: 11px 13px; border: 1px solid #ccd6cf; border-radius: 11px; color: var(--ink); background: #fbfcfa; }
.field textarea { min-height: 108px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 3px solid rgba(217, 239, 159, .7); border-color: var(--green); }
.form-note { margin: 9px 0 0; color: var(--muted); font-size: .8rem; }
.form-status { display: none; margin-top: 12px; padding: 11px 13px; border-radius: 10px; font-weight: 800; }
.form-status.show { display: block; }
.form-status.ok { color: var(--green-dark); background: #e9f6ed; }
.form-status.error { color: #9f2e24; background: #fff0ed; }
.hp { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }

.faq { display: grid; gap: 12px; }
.faq details { padding: 19px 22px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.faq summary { cursor: pointer; font-weight: 850; }
.faq p { margin: 10px 0 0; color: var(--muted); }
.final-cta { padding: 54px; border-radius: 30px; color: #fff; background: var(--ink); display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.final-cta h2 { max-width: 720px; margin: 0; font-size: clamp(2rem, 4vw, 3.7rem); line-height: 1.05; }
.site-footer { padding: 34px 0 50px; color: var(--muted); font-size: .88rem; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 24px; border-top: 1px solid var(--line); }
.footer-links { display: flex; flex-wrap: wrap; align-items: center; gap: 15px; }
.flypig-cookie-settings { font: inherit; }

@media (max-width: 980px) {
  .hero-grid, .split, .pilot-inner { grid-template-columns: 1fr; }
  .hero-grid { gap: 34px; }
  .hero-visual { max-width: 720px; }
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .proof-item:nth-child(2) { border-right: 0; }
  .proof-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .cards { grid-template-columns: 1fr; }
  .nav-links a:not(.button):not(.lang-link) { display: none; }
}

@media (max-width: 640px) {
  .shell { width: min(100% - 24px, 1180px); }
  .nav-inner { min-height: 64px; }
  .brand span:last-child { display: none; }
  .lang-link { padding-left: 0; border: 0; }
  .hero { padding-top: 48px; }
  .hero h1 { font-size: 3.15rem; }
  section { padding: 62px 0; }
  .proof-grid, .examples-grid, .form-grid { grid-template-columns: 1fr; }
  .proof-item { border-right: 0; border-bottom: 1px solid var(--line); }
  .proof-item:nth-child(3) { border-bottom: 1px solid var(--line); }
  .proof-item:last-child { border-bottom: 0; }
  .pilot-inner { padding: 26px; }
  .field.full { grid-column: auto; }
  .final-cta, .footer-inner { flex-direction: column; align-items: flex-start; }
  .final-cta { padding: 30px; }
}