:root {
  --ink: #22201d;
  --ink-soft: #5f5a52;
  --paper: #fbfaf7;
  --surface: #ffffff;
  --warm: #f3ead7;
  --gold: #b98432;
  --gold-deep: #80591f;
  --gold-soft: #ead3a6;
  --sage: #6b826f;
  --line: rgba(62, 51, 35, 0.13);
  --shadow: 0 22px 70px rgba(70, 50, 25, 0.09);
  --radius-sm: 16px;
  --radius-md: 24px;
  --radius-lg: 36px;
  --container: 1180px;
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--font); line-height: 1.7; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid rgba(185, 132, 50, .48); outline-offset: 4px; }

.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; padding: 12px 18px; border-radius: 12px; background: var(--ink); color: white; transition: top .2s; }
.skip-link:focus { top: 16px; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding: 104px 0; }
.section-tight { padding: 72px 0; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 16px; color: var(--gold-deep); font-weight: 700; letter-spacing: .08em; font-size: 14px; }
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 820px; margin-bottom: 24px; font-size: clamp(44px, 6vw, 76px); line-height: 1.08; letter-spacing: -.045em; }
h2 { margin-bottom: 18px; font-size: clamp(32px, 4vw, 50px); line-height: 1.18; letter-spacing: -.035em; }
h3 { margin-bottom: 10px; font-size: 22px; line-height: 1.35; }
.lead { max-width: 680px; color: var(--ink-soft); font-size: clamp(18px, 2.3vw, 22px); }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 36px; margin-bottom: 48px; }
.section-head > p { max-width: 500px; margin: 0; color: var(--ink-soft); }

.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid transparent; background: rgba(251, 250, 247, .86); backdrop-filter: blur(18px); }
.nav-wrap { min-height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-size: 20px; font-weight: 800; letter-spacing: .06em; }
.brand-mark { width: 34px; height: 34px; border-radius: 12px 12px 12px 4px; background: linear-gradient(145deg, var(--gold-soft), var(--gold)); position: relative; box-shadow: inset 0 0 0 1px rgba(255,255,255,.55); }
.brand-mark::after { content: ""; position: absolute; inset: 9px; border: 1.5px solid white; border-radius: 50% 50% 50% 10%; transform: rotate(45deg); }
.site-nav { display: flex; align-items: center; gap: 28px; font-size: 15px; }
.site-nav a { position: relative; padding: 12px 0; color: #48443e; }
.site-nav a[aria-current="page"], .site-nav a:hover { color: var(--gold-deep); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.menu-button { display: none; width: 48px; height: 48px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); color: var(--ink); }
.menu-button svg { width: 22px; height: 22px; margin: auto; }

.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 0 22px; border: 1px solid transparent; border-radius: 999px; cursor: pointer; transition: background-color .2s, border-color .2s, color .2s, box-shadow .2s; }
.button-primary { background: var(--ink); color: white; box-shadow: 0 12px 30px rgba(34,32,29,.16); }
.button-primary:hover { background: var(--gold-deep); box-shadow: 0 14px 34px rgba(128,89,31,.2); }
.button-soft { border-color: var(--line); background: rgba(255,255,255,.72); color: var(--ink); }
.button-soft:hover { border-color: var(--gold-soft); background: white; }
.button-gold { background: var(--gold); color: white; }
.button-gold:hover { background: var(--gold-deep); }
.link-arrow { display: inline-flex; align-items: center; gap: 8px; color: var(--gold-deep); font-weight: 700; }
.link-arrow::after { content: "→"; transition: transform .2s; }
.link-arrow:hover::after { transform: translateX(4px); }

.hero { min-height: calc(100vh - 80px); display: grid; align-items: center; overflow: hidden; background: radial-gradient(circle at 88% 20%, rgba(234,211,166,.48), transparent 31%), linear-gradient(180deg, #fbfaf7, #f7f1e6); }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 64px; padding: 76px 0 92px; }
.hero h1 span { color: var(--gold-deep); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-note { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 32px; color: var(--ink-soft); font-size: 14px; }
.hero-note span { display: inline-flex; align-items: center; gap: 8px; }
.hero-note span::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--gold); }
.hero-art { position: relative; min-height: 540px; }
.orb { position: absolute; border-radius: 50%; filter: blur(1px); }
.orb-one { width: 420px; height: 420px; right: 18px; top: 22px; background: linear-gradient(145deg, #fffaf0, #d7ae69); box-shadow: inset -40px -40px 90px rgba(110,70,18,.14), var(--shadow); }
.orb-two { width: 230px; height: 230px; left: 18px; bottom: 0; background: linear-gradient(145deg, #eff5ef, #718675); }
.hero-card { position: absolute; z-index: 2; width: 310px; padding: 28px; border: 1px solid rgba(255,255,255,.7); border-radius: 30px; background: rgba(255,255,255,.77); box-shadow: var(--shadow); backdrop-filter: blur(14px); }
.hero-card strong { display: block; margin-bottom: 8px; font-size: 24px; }
.hero-card p { margin: 0; color: var(--ink-soft); }
.hero-card-one { right: 70px; top: 86px; }
.hero-card-two { left: 6px; bottom: 52px; }
.card-kicker { display: block; margin-bottom: 18px; color: var(--gold-deep); font-size: 13px; font-weight: 800; letter-spacing: .08em; }

.path-grid, .feature-grid, .product-grid { display: grid; gap: 18px; }
.path-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
.feature-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.product-grid { grid-template-columns: repeat(4, minmax(0,1fr)); }
.path-card, .feature-card, .product-card { position: relative; overflow: hidden; border: 1px solid var(--line); background: var(--surface); box-shadow: 0 14px 46px rgba(57,42,19,.05); }
.path-card { min-height: 410px; padding: 46px; border-radius: var(--radius-lg); }
.path-card:nth-child(2) { background: var(--ink); color: white; }
.path-card:nth-child(2) p { color: rgba(255,255,255,.7); }
.path-number { display: inline-grid; place-items: center; width: 42px; height: 42px; margin-bottom: 92px; border: 1px solid currentColor; border-radius: 50%; font-weight: 700; }
.path-card h3 { font-size: 34px; }
.path-card p { max-width: 440px; color: var(--ink-soft); }
.feature-card { padding: 32px; border-radius: var(--radius-md); }
.feature-icon { width: 44px; height: 44px; display: grid; place-items: center; margin-bottom: 34px; border-radius: 14px; background: var(--warm); color: var(--gold-deep); }
.feature-icon svg { width: 22px; height: 22px; }
.feature-card p, .product-card p { margin-bottom: 0; color: var(--ink-soft); }
.product-card { min-height: 320px; display: flex; flex-direction: column; justify-content: end; padding: 28px; border-radius: var(--radius-md); background: linear-gradient(180deg, #fff, #f5efe4); }
.product-card:nth-child(2) { background: linear-gradient(180deg, #eef3ee, #dce7dd); }
.product-card:nth-child(3) { background: linear-gradient(180deg, #f8f0df, #e7c88c); }
.product-card:nth-child(4) { background: linear-gradient(180deg, #f4f1ed, #ded8cf); }
.product-index { margin-bottom: auto; color: var(--gold-deep); font-size: 13px; font-weight: 800; }

.dark-section { background: var(--ink); color: white; }
.dark-section .eyebrow { color: var(--gold-soft); }
.dark-section .section-head > p, .dark-section .lead { color: rgba(255,255,255,.67); }
.program-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 70px; align-items: start; }
.program-sticky { position: sticky; top: 126px; }
.stage-list { display: grid; gap: 12px; }
.stage { display: grid; grid-template-columns: 54px 1fr; gap: 18px; padding: 24px; border: 1px solid rgba(255,255,255,.11); border-radius: 20px; background: rgba(255,255,255,.045); }
.stage span { color: var(--gold-soft); font-weight: 800; }
.stage h3 { margin-bottom: 4px; font-size: 19px; }
.stage p { margin: 0; color: rgba(255,255,255,.62); font-size: 14px; }

.proof-band { display: grid; grid-template-columns: repeat(3,1fr); border-block: 1px solid var(--line); }
.proof-item { padding: 38px 34px; }
.proof-item + .proof-item { border-left: 1px solid var(--line); }
.proof-item strong { display: block; margin-bottom: 5px; font-size: 34px; color: var(--gold-deep); }
.proof-item span { color: var(--ink-soft); }

.founder { display: grid; grid-template-columns: .82fr 1.18fr; gap: 72px; align-items: center; }
.founder-photo { overflow: hidden; min-height: 520px; border-radius: var(--radius-lg); background: linear-gradient(160deg, var(--warm), #d5b578); }
.founder-photo img { width: 100%; height: 100%; min-height: 520px; object-fit: contain; object-position: center bottom; }
.quote { margin: 28px 0; padding-left: 24px; border-left: 3px solid var(--gold); font-size: 22px; line-height: 1.6; }

.cta-panel { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 40px; padding: 64px; border-radius: var(--radius-lg); background: linear-gradient(135deg, #f2e5cd, #d9b36f); box-shadow: var(--shadow); }
.cta-panel h2 { margin-bottom: 10px; }
.cta-panel p { margin: 0; color: #57452d; }

.page-hero { padding: 104px 0 80px; background: radial-gradient(circle at 85% 15%, rgba(234,211,166,.5), transparent 30%); }
.page-hero .lead { margin-bottom: 0; }
.content-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; }
.content-card { padding: 34px; border: 1px solid var(--line); border-radius: var(--radius-md); background: white; }
.content-card p:last-child { margin-bottom: 0; color: var(--ink-soft); }
.steps { counter-reset: steps; display: grid; gap: 0; }
.step { counter-increment: steps; display: grid; grid-template-columns: 82px 1fr; padding: 32px 0; border-top: 1px solid var(--line); }
.step::before { content: "0" counter(steps); color: var(--gold); font-size: 18px; font-weight: 800; }
.step p { margin-bottom: 0; color: var(--ink-soft); }
.notice { padding: 24px 28px; border-left: 4px solid var(--gold); border-radius: 0 16px 16px 0; background: var(--warm); }
.legal { max-width: 780px; }
.legal h2 { margin-top: 54px; font-size: 28px; }
.legal li { margin-bottom: 8px; }

.site-footer { padding: 66px 0 30px; background: #1d1b18; color: white; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 60px; padding-bottom: 52px; }
.footer-brand p { max-width: 380px; color: rgba(255,255,255,.58); }
.footer-title { margin-bottom: 18px; font-weight: 800; }
.footer-links { display: grid; gap: 10px; color: rgba(255,255,255,.66); }
.footer-links a:hover { color: white; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 18px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.46); font-size: 13px; }
.footer-filing { display: flex; flex-wrap: wrap; gap: 14px; }

dialog { width: min(calc(100% - 32px), 430px); padding: 0; border: 0; border-radius: 28px; box-shadow: 0 40px 100px rgba(0,0,0,.28); }
dialog::backdrop { background: rgba(17,15,12,.62); backdrop-filter: blur(4px); }
.dialog-body { position: relative; padding: 34px; text-align: center; }
.dialog-close { position: absolute; right: 16px; top: 16px; width: 44px; height: 44px; border: 0; border-radius: 50%; background: #f1eee8; cursor: pointer; font-size: 22px; }
.qr-image { width: 250px; margin: 24px auto 16px; border-radius: 18px; }
.dialog-body p { color: var(--ink-soft); }

[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
[data-reveal].is-visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .site-nav { position: absolute; left: 20px; right: 20px; top: 72px; display: none; padding: 18px; border: 1px solid var(--line); border-radius: 20px; background: rgba(255,255,255,.98); box-shadow: var(--shadow); }
  .site-nav[data-open="true"] { display: grid; }
  .site-nav a { padding: 12px; }
  .menu-button { display: grid; }
  .nav-actions .button { display: none; }
  .hero-grid, .program-layout, .founder { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero-art { min-height: 460px; }
  .feature-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .product-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .program-sticky { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1/-1; }
}

@media (max-width: 680px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 72px 0; }
  .section-tight { padding: 52px 0; }
  .nav-wrap { min-height: 68px; }
  .brand { font-size: 18px; }
  .hero-grid { padding: 54px 0 70px; gap: 30px; }
  .hero-art { min-height: 360px; }
  .orb-one { width: 290px; height: 290px; right: -30px; }
  .orb-two { width: 160px; height: 160px; }
  .hero-card { width: 230px; padding: 22px; border-radius: 22px; }
  .hero-card strong { font-size: 20px; }
  .hero-card-one { right: 6px; top: 48px; }
  .hero-card-two { left: 0; bottom: 12px; }
  .path-grid, .feature-grid, .product-grid, .content-grid, .proof-band { grid-template-columns: 1fr; }
  .path-card { min-height: 340px; padding: 30px; }
  .path-number { margin-bottom: 60px; }
  .section-head { display: block; margin-bottom: 34px; }
  .section-head > p { margin-top: 14px; }
  .proof-item + .proof-item { border-left: 0; border-top: 1px solid var(--line); }
  .founder { gap: 36px; }
  .founder-photo, .founder-photo img { min-height: 400px; }
  .cta-panel { grid-template-columns: 1fr; padding: 38px 28px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-brand { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}