/* ─── Tokens ─────────────────────── */
:root {
  --bg: #f5f1e8;
  --bg-soft: #ede7d8;
  --bg-card: #fbf8f0;
  --ink: #1a1a1a;
  --ink-soft: #444;
  --ink-mute: #8a8478;
  --gold: #a88b5c;
  --gold-deep: #8b7142;
  --rule: #d9d1bd;
  --rule-soft: #e6dfca;

  --serif: "Noto Serif TC", "Source Han Serif TC", "PingFang TC", "Songti TC", serif;
  --sans:  "Inter", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", -apple-system, sans-serif;

  --max: 1180px;
  --gut: clamp(20px, 4vw, 64px);
  --nav-h: 72px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.7;
  padding-top: var(--nav-h);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--gold); color: #fff; }

a { color: inherit; text-decoration: none; }

/* ─── Typography ─────────────────────── */
.section-num {
  font-family: var(--serif);
  font-size: clamp(11px, 1.05vw, 13px);
  font-weight: 500;
  letter-spacing: 0.5em;
  color: var(--gold-deep);
  margin-bottom: 14px;
}

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.25; color: var(--ink); }

h2.section-title {
  font-size: clamp(28px, 4.2vw, 52px);
  letter-spacing: 0.16em;
  margin-bottom: 8px;
  font-weight: 700;
}
h2 .en {
  display: block;
  font-family: var(--sans);
  font-size: clamp(11px, 1.05vw, 13px);
  font-weight: 500;
  letter-spacing: 0.36em;
  color: var(--ink-mute);
  margin-top: 14px;
  text-transform: uppercase;
}

h3.lede {
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 500;
  line-height: 1.55;
  letter-spacing: 0.06em;
  color: var(--ink);
  max-width: 38ch;
}

p { margin-bottom: 1.2em; color: var(--ink-soft); }
p.lead { font-size: clamp(16px, 1.4vw, 18px); color: var(--ink); }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gut); }

section.block {
  padding: clamp(80px, 10vw, 140px) 0;
  border-top: 1px solid var(--rule);
  position: relative;
}
section.block:first-of-type { border-top: none; }

.section-head { margin-bottom: clamp(48px, 6vw, 80px); }
.divider-rule { width: 56px; height: 1px; background: var(--gold); margin: 28px 0; }

/* ─── Buttons ─────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 14px;
  padding: 16px 32px;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, transform 0.2s;
  border-radius: 0;
  white-space: nowrap;
}
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { background: var(--gold); color: #fff; transform: translateX(4px); }
.btn-gold { background: var(--gold); color: #fff; }
.btn-gold:hover { background: var(--ink); transform: translateX(4px); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--bg); }
.btn .arrow { font-family: serif; font-weight: 400; transition: transform 0.2s; }
.btn:hover .arrow { transform: translateX(6px); }
.btn-sm { padding: 12px 22px; font-size: 11px; letter-spacing: 0.28em; gap: 10px; }

/* ─── NAV ─────────────────────── */
nav.topnav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(245, 241, 232, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
  z-index: 100;
  transition: box-shadow 0.3s;
}
nav.topnav.scrolled { box-shadow: 0 2px 24px rgba(26, 26, 26, 0.06); }

nav.topnav .nav-inner {
  max-width: var(--max);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--gut);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex; flex-direction: column; gap: 2px;
  text-decoration: none;
  flex: 0 0 auto;
}
.brand .b-zh {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.32em;
  color: var(--ink);
  line-height: 1;
}
.brand .b-en {
  font-family: var(--sans);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.4em;
  color: var(--gold-deep);
  text-transform: uppercase;
  line-height: 1;
}

.nav-menu {
  display: flex;
  gap: clamp(20px, 3vw, 40px);
  list-style: none;
  flex: 1;
  justify-content: center;
}
.nav-menu a {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 8px 0;
  position: relative;
  transition: color 0.2s;
}
.nav-menu a::after {
  content: '';
  position: absolute; left: 50%; bottom: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width 0.3s, left 0.3s;
}
.nav-menu a:hover { color: var(--ink); }
.nav-menu a:hover::after { width: 100%; left: 0; }
.nav-menu a.active { color: var(--ink); }
.nav-menu a.active::after { width: 100%; left: 0; background: var(--gold); }

.nav-cta { flex: 0 0 auto; }

/* Mobile nav */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span {
  display: block;
  width: 24px; height: 1.5px;
  background: var(--ink);
  transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle span + span { margin-top: 6px; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

@media (max-width: 880px) {
  .nav-toggle { display: block; }
  .nav-menu, .nav-cta { display: none; }
  nav.topnav.open .nav-menu,
  nav.topnav.open .nav-cta {
    display: flex;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--rule);
    padding: 24px var(--gut);
    flex-direction: column;
    gap: 20px;
  }
  nav.topnav.open .nav-cta { padding-top: 0; padding-bottom: 32px; }
  .nav-menu a { padding: 12px 0; font-size: 14px; }
}

/* ─── HERO ─────────────────────── */
.hero {
  min-height: calc(100vh - var(--nav-h));
  display: flex; flex-direction: column; justify-content: center;
  padding: clamp(80px, 12vh, 140px) var(--gut) clamp(60px, 8vh, 100px);
  position: relative;
  background:
    radial-gradient(ellipse at 75% 25%, rgba(168, 139, 92, 0.08), transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(168, 139, 92, 0.06), transparent 60%),
    var(--bg);
}
.hero-inner { max-width: var(--max); margin: 0 auto; width: 100%; }

.hero-eyebrow {
  display: flex; align-items: center; gap: 18px;
  margin-bottom: clamp(28px, 4vw, 48px);
  font-family: var(--sans);
  font-size: clamp(10px, 1vw, 12px);
  font-weight: 500;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold-deep);
}
.hero-eyebrow::before { content: ''; flex: 0 0 64px; height: 1px; background: var(--gold); }
.hero-eyebrow::after  { content: ''; flex: 1; height: 1px; background: var(--gold); }

.hero-zh {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(36px, 6.5vw, 88px);
  letter-spacing: 0.18em;
  line-height: 1.2;
  margin-bottom: 16px;
}
.hero-zh em {
  font-style: normal;
  color: var(--gold-deep);
  font-weight: 700;
  letter-spacing: 0.22em;
}
.hero-zh-sub {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(18px, 2.5vw, 28px);
  letter-spacing: 0.4em;
  color: var(--gold-deep);
  margin-bottom: clamp(32px, 5vw, 56px);
}
.hero-en {
  font-family: var(--sans);
  font-weight: 400;
  font-size: clamp(11px, 1.1vw, 14px);
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--ink-soft);
  line-height: 1.8;
  margin-bottom: 40px;
}
.hero-en strong { font-weight: 600; color: var(--ink); }

.hero-pitch {
  font-family: var(--serif);
  font-size: clamp(17px, 1.7vw, 22px);
  line-height: 1.85;
  letter-spacing: 0.04em;
  color: var(--ink);
  max-width: 60ch;
  margin-bottom: clamp(32px, 4vw, 48px);
}
.hero-pitch strong { color: var(--gold-deep); font-weight: 600; }

.hero-cta-row { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }

.hero-trust {
  margin-top: clamp(48px, 6vw, 72px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(16px, 2vw, 32px);
  padding-top: clamp(28px, 3vw, 36px);
  border-top: 1px solid var(--rule);
}
.hero-trust .stat strong {
  display: block;
  font-family: var(--serif);
  font-size: clamp(20px, 2.5vw, 32px);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}
.hero-trust .stat span {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* ─── Page Header (subpages) ─────────────────────── */
.page-header {
  padding: clamp(80px, 10vw, 140px) var(--gut) clamp(48px, 6vw, 88px);
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
}
.page-header-inner { max-width: var(--max); margin: 0 auto; }
.page-header .crumb {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.4em;
  color: var(--ink-mute);
  text-transform: uppercase;
  margin-bottom: 24px;
  display: flex; align-items: center; gap: 12px;
}
.page-header .crumb a { color: var(--ink-mute); transition: color 0.2s; }
.page-header .crumb a:hover { color: var(--ink); }
.page-header .crumb-sep { color: var(--gold); }
.page-header h1 {
  font-size: clamp(32px, 5vw, 64px);
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.2;
  margin-bottom: 16px;
}
.page-header h1 .en {
  display: block;
  font-family: var(--sans);
  font-size: clamp(11px, 1.1vw, 14px);
  font-weight: 500;
  letter-spacing: 0.4em;
  color: var(--gold-deep);
  margin-top: 18px;
  text-transform: uppercase;
}
.page-header .lede {
  margin-top: 28px;
  font-family: var(--serif);
  font-size: clamp(17px, 1.6vw, 21px);
  line-height: 1.85;
  letter-spacing: 0.03em;
  color: var(--ink);
  max-width: 60ch;
}

/* ─── Cards (Home navigation entries) ─────────────────────── */
.entry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 2.5vw, 32px);
  margin-top: clamp(48px, 6vw, 80px);
}
.entry-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--rule);
  padding: clamp(32px, 3.5vw, 48px);
  position: relative;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  text-decoration: none;
  color: inherit;
}
.entry-card:hover {
  transform: translateY(-4px);
  border-color: var(--gold);
  box-shadow: 0 16px 40px rgba(26, 26, 26, 0.08);
}
.entry-card .num {
  font-family: var(--serif);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.4em;
  color: var(--gold);
  margin-bottom: 24px;
}
.entry-card h3 {
  font-size: clamp(22px, 2.2vw, 28px);
  font-weight: 600;
  letter-spacing: 0.14em;
  margin-bottom: 8px;
}
.entry-card .en {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.36em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 24px;
  display: block;
}
.entry-card p {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-soft);
  margin-bottom: 28px;
}
.entry-card .more {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink);
  display: inline-flex; align-items: center; gap: 10px;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 4px;
  transition: gap 0.2s;
}
.entry-card:hover .more { gap: 16px; }
.entry-card .more .arrow { font-family: serif; font-weight: 400; }

/* ─── Pain points ─────────────────────── */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px, 2vw, 28px);
  margin-bottom: clamp(48px, 5vw, 72px);
}
.pain-item {
  padding: clamp(24px, 3vw, 36px);
  background: var(--bg-card);
  border: 1px solid var(--rule);
  position: relative;
  padding-left: clamp(56px, 6vw, 72px);
}
.pain-item::before {
  content: '×';
  position: absolute;
  left: clamp(20px, 2.4vw, 28px); top: clamp(20px, 2.4vw, 32px);
  font-family: var(--serif);
  font-size: clamp(28px, 3vw, 36px);
  font-weight: 400;
  color: var(--rule);
  line-height: 1;
}
.pain-item h4 {
  font-size: clamp(16px, 1.4vw, 18px);
  font-weight: 600;
  letter-spacing: 0.12em;
  margin-bottom: 8px;
  color: var(--ink);
}
.pain-item p { font-size: 14px; line-height: 1.75; margin: 0; color: var(--ink-soft); }

.pain-resolve {
  background: var(--ink);
  color: var(--bg);
  padding: clamp(40px, 5vw, 64px);
  text-align: center;
  position: relative;
}
.pain-resolve::before {
  content: '';
  position: absolute; inset: 6px;
  border: 1px solid rgba(245, 241, 232, 0.18);
  pointer-events: none;
}
.pain-resolve .mark {
  font-size: 11px;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 24px;
  display: flex; align-items: center; justify-content: center; gap: 16px;
}
.pain-resolve .mark::before, .pain-resolve .mark::after { content: ''; width: 32px; height: 1px; background: var(--gold); }
.pain-resolve p {
  font-family: var(--serif);
  font-size: clamp(20px, 2.2vw, 28px);
  line-height: 1.7;
  letter-spacing: 0.06em;
  color: var(--bg);
  max-width: 28ch;
  margin: 0 auto 12px;
}
.pain-resolve p:last-child { margin-bottom: 0; color: var(--gold); font-size: clamp(15px, 1.5vw, 18px); }

/* ─── Promise ─────────────────────── */
.promise-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 5vw, 80px);
  align-items: start;
}
.promise-text p { font-size: 15.5px; color: var(--ink-soft); }
.promise-text p + p { margin-top: 1.4em; }

.commitment-card {
  background: var(--bg-card);
  border: 1px solid var(--rule);
  padding: clamp(32px, 4vw, 56px);
  position: relative;
}
.commitment-card::before {
  content: '';
  position: absolute; top: -1px; left: -1px;
  width: 32px; height: 32px;
  border-top: 2px solid var(--gold); border-left: 2px solid var(--gold);
}
.commitment-card::after {
  content: '';
  position: absolute; bottom: -1px; right: -1px;
  width: 32px; height: 32px;
  border-bottom: 2px solid var(--gold); border-right: 2px solid var(--gold);
}
.commitment-card h4 {
  font-size: clamp(15px, 1.4vw, 18px);
  letter-spacing: 0.36em;
  margin-bottom: 20px;
  color: var(--gold-deep);
  font-weight: 600;
}
.commitment-card .line {
  font-family: var(--serif);
  font-size: clamp(17px, 1.6vw, 21px);
  line-height: 1.75;
  color: var(--ink);
  margin-bottom: 18px;
  letter-spacing: 0.03em;
}
.commitment-card .refund {
  margin-top: 28px; padding-top: 24px;
  border-top: 1px dashed var(--rule);
  font-size: 14px; color: var(--ink-soft);
}
.commitment-card .refund strong { color: var(--gold-deep); }

/* ─── Four grid ─────────────────────── */
.philosophy-lede {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: clamp(40px, 5vw, 80px);
  margin-bottom: clamp(60px, 7vw, 96px);
  align-items: start;
}
.philosophy-lede p { font-size: 15.5px; }

.four-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--rule);
  background: var(--bg-card);
}
.four-cell {
  padding: clamp(32px, 4vw, 56px);
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.four-cell:nth-child(2n) { border-right: none; }
.four-cell:nth-child(n+3) { border-bottom: none; }

.four-cell .roman {
  font-family: var(--serif);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.4em;
  color: var(--gold);
  margin-bottom: 18px;
}
.four-cell h4 {
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 600;
  letter-spacing: 0.16em;
  margin-bottom: 20px;
  color: var(--ink);
}
.four-cell p { font-size: 14.5px; line-height: 1.85; margin-bottom: 0; }

/* ─── Process ─────────────────────── */
.process-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--rule);
  background: var(--bg-card);
}
.process-step {
  padding: clamp(32px, 3.5vw, 48px) clamp(20px, 2vw, 28px);
  border-right: 1px solid var(--rule);
  position: relative;
  text-align: center;
}
.process-step:last-child { border-right: none; }
.process-step .step-num {
  font-family: var(--serif);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.05em;
  line-height: 1;
  margin-bottom: 16px;
}
.process-step h4 {
  font-size: clamp(15px, 1.4vw, 18px);
  font-weight: 600;
  letter-spacing: 0.16em;
  margin-bottom: 12px;
}
.process-step p { font-size: 13.5px; line-height: 1.75; color: var(--ink-soft); margin: 0; }
.process-step::after {
  content: '→';
  position: absolute; right: -10px; top: 50%; transform: translateY(-50%);
  font-family: var(--serif);
  color: var(--gold);
  font-size: 16px;
  background: var(--bg-card);
  padding: 0 4px;
  z-index: 1;
}
.process-step:last-child::after { display: none; }

.process-note {
  margin-top: clamp(40px, 5vw, 64px);
  text-align: center;
  font-family: var(--serif);
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.85;
  color: var(--ink-soft);
  font-style: italic;
  max-width: 56ch;
  margin-left: auto; margin-right: auto;
}

/* ─── Fit ─────────────────────── */
.fit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 5vw, 80px);
  align-items: start;
}
.fit-list { list-style: none; }
.fit-list li {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule-soft);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}
.fit-list li::before {
  content: '✓';
  font-family: var(--serif);
  color: var(--gold);
  font-size: 16px;
  font-weight: 600;
}
.fit-list.cross li::before { content: '×'; color: var(--ink-mute); }

.fit-col h3 {
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 600;
  letter-spacing: 0.14em;
  margin-bottom: 8px;
}
.fit-col .fit-tag {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 24px;
  display: inline-block;
}
.fit-col.yes .fit-tag { color: var(--gold-deep); }
.fit-col.no .fit-tag { color: var(--ink-mute); }

/* ─── Investment teaser ─────────────────────── */
.invest-teaser {
  background: var(--bg-card);
  border: 1px solid var(--rule);
  padding: clamp(40px, 5vw, 72px);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(32px, 4vw, 64px);
  align-items: center;
  position: relative;
}
.invest-teaser::before {
  content: 'Investment';
  position: absolute; top: -12px; left: clamp(32px, 4vw, 56px);
  background: var(--bg);
  padding: 0 16px;
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold-deep);
  font-weight: 600;
}
.invest-teaser h3 {
  font-family: var(--serif);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.5;
  margin-bottom: 20px;
}
.invest-teaser p { font-size: 14.5px; line-height: 1.85; margin-bottom: 1em; }
.invest-teaser p:last-child { margin-bottom: 0; }

.invest-pillars { display: grid; gap: 16px; }
.invest-pillar {
  padding: 18px 22px;
  background: var(--bg);
  border-left: 2px solid var(--gold);
}
.invest-pillar strong {
  display: block;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
  letter-spacing: 0.06em;
}
.invest-pillar span { font-size: 13px; color: var(--ink-soft); line-height: 1.7; }

/* ─── CTA Block ─────────────────────── */
.cta-block {
  background: var(--ink);
  color: var(--bg);
  padding: clamp(80px, 10vw, 140px) 0;
}
.cta-block .wrap { max-width: var(--max); }
.cta-eyebrow { color: var(--gold); }
.cta-block h2.section-title { color: var(--bg); }
.cta-block h2 .en { color: rgba(245, 241, 232, 0.55); }
.cta-block .lead { color: rgba(245, 241, 232, 0.85); margin-bottom: clamp(40px, 5vw, 64px); max-width: 56ch; }

.cta-solo { display: flex; justify-content: center; }
.cta-solo .wechat-card { width: 100%; max-width: 480px; }

.wechat-card {
  text-align: center;
  background: var(--bg);
  color: var(--ink);
  padding: clamp(28px, 3vw, 40px);
  position: relative;
}
.wechat-card::before {
  content: '';
  position: absolute; top: -1px; left: -1px;
  width: 28px; height: 28px;
  border-top: 2px solid var(--gold); border-left: 2px solid var(--gold);
}
.wechat-card::after {
  content: '';
  position: absolute; bottom: -1px; right: -1px;
  width: 28px; height: 28px;
  border-bottom: 2px solid var(--gold); border-right: 2px solid var(--gold);
}
.wechat-card .label {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold-deep);
  font-weight: 600;
  margin-bottom: 20px;
}
.wechat-qr {
  width: 100%;
  max-width: 320px;
  margin: 0 auto 20px;
  background: #fff;
  border: 1px solid var(--rule);
  overflow: hidden;
  line-height: 0;
}
.wechat-qr img { width: 100%; height: auto; display: block; }
.wechat-card h3 {
  font-family: var(--serif);
  font-size: clamp(18px, 1.8vw, 22px);
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.wechat-card p { font-size: 13.5px; line-height: 1.75; color: var(--ink-soft); margin: 0; }

/* ─── Mid-CTA strip ─────────────────────── */
.mid-cta {
  margin: 0;
  padding: clamp(56px, 7vw, 88px) var(--gut);
  background: var(--bg-soft);
  text-align: center;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.mid-cta .mark {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.5em;
  color: var(--gold-deep);
  text-transform: uppercase;
  margin-bottom: 20px;
  display: flex; align-items: center; justify-content: center; gap: 16px;
}
.mid-cta .mark::before, .mid-cta .mark::after { content: ''; width: 32px; height: 1px; background: var(--gold); }
.mid-cta h3 {
  font-family: var(--serif);
  font-size: clamp(22px, 2.6vw, 32px);
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.5;
  margin-bottom: 28px;
  max-width: 32ch;
  margin-left: auto; margin-right: auto;
}

/* ─── Footer ─────────────────────── */
footer.foot {
  padding: clamp(48px, 6vw, 72px) var(--gut) clamp(28px, 3vw, 40px);
  background: var(--bg);
  border-top: 1px solid var(--rule);
}
.foot-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: clamp(32px, 4vw, 64px);
  margin-bottom: clamp(36px, 4vw, 56px);
}
.foot-brand .b-zh {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.32em;
  color: var(--ink);
  display: block;
  margin-bottom: 8px;
}
.foot-brand .b-en {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.4em;
  color: var(--gold-deep);
  text-transform: uppercase;
  display: block;
  margin-bottom: 16px;
}
.foot-brand p {
  font-size: 13px;
  color: var(--ink-soft);
  max-width: 36ch;
  line-height: 1.85;
  margin: 0;
}
.foot-col h5 {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 18px;
}
.foot-col ul { list-style: none; }
.foot-col li { margin-bottom: 12px; }
.foot-col a {
  font-size: 13.5px;
  color: var(--ink-soft);
  transition: color 0.2s;
}
.foot-col a:hover { color: var(--ink); }

.foot-bottom {
  max-width: var(--max);
  margin: 0 auto;
  padding-top: clamp(20px, 2vw, 28px);
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.foot-bottom .left { color: var(--gold-deep); font-weight: 600; }

/* ─── Reveal animation ─────────────────────── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.9s ease, transform 0.9s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ─── Responsive ─────────────────────── */
@media (max-width: 1024px) {
  .process-flow { grid-template-columns: repeat(2, 1fr); }
  .process-step:nth-child(2)::after { display: none; }
  .process-step:nth-child(1), .process-step:nth-child(2) { border-bottom: 1px solid var(--rule); }
}

@media (max-width: 980px) {
  .promise-grid,
  .philosophy-lede,
  .fit-grid,
  .invest-teaser { grid-template-columns: 1fr; }

  .four-grid { grid-template-columns: 1fr; }
  .four-cell { border-right: none; border-bottom: 1px solid var(--rule); }
  .four-cell:last-child { border-bottom: none; }

  .pain-grid, .entry-grid { grid-template-columns: 1fr; }
  .hero-trust { grid-template-columns: repeat(2, 1fr); gap: 24px; }

  .foot-inner { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 720px) {
  .process-flow { grid-template-columns: 1fr; }
  .process-step { border-right: none; border-bottom: 1px solid var(--rule); }
  .process-step:last-child { border-bottom: none; }
  .process-step::after { display: none; }
  .hero-eyebrow::before { flex: 0 0 24px; }
}
