/* ============================================================
   发赋堂 fafutang.com — Oriental Editorial Theme
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,400&family=Lora:ital,wght@0,400;0,500;1,400&family=Noto+Serif+SC:wght@300;400;500;600;700&family=Noto+Sans+SC:wght@300;400;500&display=swap');

:root {
  --color-paper: #f4ede0;
  --color-paper-soft: #ece2cd;
  --color-paper-warm: #e8dcc1;
  --color-ink: #181d18;
  --color-ink-soft: #2c332b;
  --color-jade: #1f3a2e;
  --color-jade-deep: #112019;
  --color-jade-mute: #2f4d3e;
  --color-cinnabar: #9c2c2c;
  --color-cinnabar-deep: #7a1f1f;
  --color-bronze: #a07b3e;
  --color-bronze-soft: #c0985a;
  --color-mist: #c8c0a8;
  --color-line: rgba(24, 29, 24, 0.18);
  --color-line-soft: rgba(24, 29, 24, 0.08);
  --color-line-paper: rgba(244, 237, 224, 0.22);

  --max-w: 1320px;
  --gutter: clamp(20px, 4vw, 56px);
  --section-y: clamp(80px, 12vw, 180px);

  --font-display: 'Fraunces', 'Noto Serif SC', 'Songti SC', 'STSong', serif;
  --font-cn-serif: 'Noto Serif SC', 'Songti SC', 'STSong', serif;
  --font-body: 'Lora', 'Noto Serif SC', serif;
  --font-cn: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', sans-serif;

  --noise: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.07 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; scroll-behavior: smooth; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; margin: 0; }

/* ---------- Body ---------- */
body {
  font-family: var(--font-cn);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-ink);
  background: var(--color-paper);
  background-image: var(--noise);
  background-size: 240px 240px;
  letter-spacing: 0.01em;
  overflow-x: hidden;
}

::selection { background: var(--color-cinnabar); color: var(--color-paper); }

/* ---------- Typography ---------- */
.eyebrow {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 13px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-cinnabar);
}
.eyebrow.on-dark { color: var(--color-bronze-soft); }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
}
.kicker::before {
  content: "";
  width: 36px; height: 1px;
  background: currentColor;
  display: block;
}
.kicker.on-dark { color: var(--color-bronze-soft); }

h1, h2, h3, h4 { margin: 0; font-weight: 500; }
.display {
  font-family: var(--font-cn-serif);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.05;
}

.section-title {
  font-family: var(--font-cn-serif);
  font-size: clamp(34px, 5vw, 64px);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: 0.02em;
}
.section-title em {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  color: var(--color-cinnabar);
  font-size: 0.7em;
  margin-left: 0.5em;
}

/* ---------- Layout ---------- */
.shell {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

section { padding-top: var(--section-y); padding-bottom: var(--section-y); position: relative; }
section + section { padding-top: 0; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px var(--gutter);
  background: transparent;
  transition: background 0.4s ease, color 0.4s ease, box-shadow 0.4s ease;
  color: var(--color-ink);
}
.site-header.is-dark { color: var(--color-paper); }
.site-header.is-stuck {
  background: rgba(244, 237, 224, 0.92);
  color: var(--color-ink);
  box-shadow: 0 1px 0 var(--color-line);
  backdrop-filter: blur(10px);
}

.brand {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--font-cn-serif);
  font-weight: 600;
  letter-spacing: 0.18em;
}
.brand-mark {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  background: var(--color-cinnabar);
  color: var(--color-paper);
  font-family: var(--font-cn-serif);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.05em;
  line-height: 1.1;
  text-align: center;
  position: relative;
}
.brand-mark::after {
  content: "";
  position: absolute; inset: 3px;
  border: 1px solid rgba(244, 237, 224, 0.35);
}
.brand-mark span { display: block; }
.brand-name { font-size: 15px; }
.brand-name small {
  display: block;
  font-family: var(--font-display);
  font-weight: 400;
  font-style: italic;
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-top: 2px;
  opacity: 0.72;
}

.nav { display: flex; align-items: center; gap: 36px; }
.nav a {
  position: relative;
  font-family: var(--font-cn);
  font-size: 14px;
  letter-spacing: 0.18em;
  padding: 6px 0;
  transition: color 0.25s ease;
}
.nav a::after {
  content: "";
  position: absolute; left: 50%; bottom: 0;
  width: 0; height: 1px;
  background: currentColor;
  transition: width 0.35s ease, left 0.35s ease;
}
.nav a:hover::after, .nav a.is-active::after { width: 100%; left: 0; }
.nav a.is-active { color: var(--color-cinnabar); }
.site-header.is-dark .nav a.is-active { color: var(--color-bronze-soft); }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid currentColor;
  align-items: center; justify-content: center;
}
.nav-toggle span {
  display: block; width: 18px; height: 1px; background: currentColor;
  position: relative;
}
.nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 1px; background: currentColor;
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

@media (max-width: 880px) {
  .nav { display: none; }
  .nav-toggle { display: flex; }
  .nav.is-open {
    display: flex;
    flex-direction: column;
    gap: 18px;
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: min(80vw, 340px);
    background: var(--color-paper);
    color: var(--color-ink);
    padding: 96px 32px;
    box-shadow: -10px 0 40px rgba(0,0,0,0.06);
    z-index: 60;
    align-items: flex-start;
  }
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  background: var(--color-jade-deep);
  color: var(--color-paper);
  min-height: 100vh;
  padding-top: 120px;
  padding-bottom: 64px;
  position: relative;
  overflow: hidden;
  background-image:
    radial-gradient(ellipse at 80% 20%, rgba(160, 123, 62, 0.18), transparent 60%),
    radial-gradient(ellipse at 10% 110%, rgba(156, 44, 44, 0.18), transparent 55%),
    var(--noise);
  background-size: auto, auto, 240px 240px;
}
.hero .shell {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(24px, 6vw, 96px);
  align-items: end;
  min-height: calc(100vh - 184px);
}
.hero-eyebrow {
  display: flex; align-items: center; gap: 14px;
  position: absolute;
  top: 24px; left: 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.36em;
  text-transform: uppercase;
  color: var(--color-bronze-soft);
}
.hero-eyebrow::before {
  content: ""; width: 56px; height: 1px; background: var(--color-bronze-soft);
}
.hero-title {
  font-family: var(--font-cn-serif);
  font-weight: 600;
  font-size: clamp(64px, 13vw, 200px);
  line-height: 0.96;
  letter-spacing: 0.04em;
  color: var(--color-paper);
}
.hero-title .row {
  display: block;
  white-space: nowrap;
}
.hero-title .row + .row { margin-top: 0.06em; }
.hero-title .accent {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  color: var(--color-bronze-soft);
  letter-spacing: 0;
  font-size: 0.7em;
  margin-left: 0.18em;
  vertical-align: 0.3em;
}
.hero-meta {
  display: flex;
  gap: 48px;
  margin-top: clamp(40px, 6vw, 72px);
  border-top: 1px solid var(--color-line-paper);
  padding-top: 28px;
  max-width: 720px;
}
.hero-meta dt {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-bronze-soft);
  margin-bottom: 8px;
}
.hero-meta dd {
  margin: 0;
  font-family: var(--font-cn-serif);
  font-size: 17px;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: var(--color-paper);
}

/* Side column with vertical chinese & seal */
.hero-side {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
}
.vertical-tag {
  font-family: var(--font-cn-serif);
  font-size: clamp(20px, 2.4vw, 30px);
  letter-spacing: 0.5em;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  color: var(--color-paper);
  border-left: 1px solid var(--color-line-paper);
  padding: 24px 0 24px 24px;
}
.vertical-tag .em { color: var(--color-cinnabar); }

.seal {
  width: 92px; height: 92px;
  background: var(--color-cinnabar);
  color: var(--color-paper);
  display: grid;
  grid-template-columns: 1fr 1fr;
  place-items: center;
  font-family: var(--font-cn-serif);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.05em;
  position: relative;
  transform: rotate(-4deg);
  box-shadow: inset 0 0 0 2px rgba(244, 237, 224, 0.55);
}
.seal::after {
  content: ""; position: absolute; inset: -3px;
  border: 1px solid rgba(244, 237, 224, 0.18);
  pointer-events: none;
}
.seal span { display: block; line-height: 1; }

/* leaf decoration */
.leaf {
  position: absolute;
  width: 320px; height: 320px;
  pointer-events: none;
  opacity: 0.18;
  color: var(--color-bronze-soft);
}
.leaf-1 { top: 8%; right: -100px; transform: rotate(20deg); }
.leaf-2 { bottom: 14%; left: -120px; transform: rotate(-30deg); width: 280px; height: 280px; opacity: 0.14; }

.hero-foot {
  margin-top: clamp(48px, 8vw, 120px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 28px;
  border-top: 1px solid var(--color-line-paper);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-bronze-soft);
  grid-column: 1 / -1;
}
.scroll-cue {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.scroll-cue::before {
  content: ""; width: 40px; height: 1px; background: currentColor;
  animation: cue 1.6s ease-in-out infinite;
}
@keyframes cue {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(8px); }
}

@media (max-width: 880px) {
  .hero .shell { grid-template-columns: 1fr; }
  .hero-side { flex-direction: row; align-items: center; justify-content: flex-start; }
  .vertical-tag { writing-mode: horizontal-tb; border: none; padding: 0; letter-spacing: 0.18em; }
  .hero-meta { flex-direction: column; gap: 20px; }
  .leaf { display: none; }
}

/* ============================================================
   Section heading row
   ============================================================ */
.section-head {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: clamp(20px, 4vw, 64px);
  align-items: end;
  margin-bottom: clamp(48px, 8vw, 96px);
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-line);
}
.section-num {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(56px, 8vw, 120px);
  line-height: 0.85;
  color: var(--color-cinnabar);
  letter-spacing: 0;
}
.section-num small {
  display: block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.36em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  margin-top: 16px;
}
.section-head .text { display: flex; flex-direction: column; gap: 14px; }

/* ============================================================
   Story / brand intro section
   ============================================================ */
.story {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.story-art {
  position: relative;
  aspect-ratio: 4 / 5;
  background: var(--color-jade);
  color: var(--color-paper);
  overflow: hidden;
}
.story-art .seal {
  position: absolute;
  bottom: 32px; right: 32px;
  transform: rotate(6deg);
}
.story-art figure {
  position: absolute; inset: 0;
  margin: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-cn-serif);
  font-weight: 600;
  font-size: clamp(64px, 8vw, 144px);
  letter-spacing: 0.08em;
  line-height: 0.95;
  color: var(--color-paper);
  background-image: var(--noise);
  background-size: 200px;
}
.story-art figure span { display: block; text-align: center; }
.story-art figure .accent {
  display: block;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: 0.16em;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-bronze-soft);
  margin-top: 24px;
}
.story-art .leaf-bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  opacity: 0.12;
}

.story-body {
  padding-top: clamp(20px, 4vw, 48px);
}
.story-body p {
  font-family: var(--font-cn-serif);
  font-size: clamp(17px, 1.6vw, 22px);
  line-height: 1.85;
  color: var(--color-ink-soft);
  margin: 0 0 1.4em;
  font-weight: 400;
  letter-spacing: 0.04em;
}
.story-body .lede {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(20px, 1.8vw, 26px);
  font-weight: 400;
  color: var(--color-cinnabar);
  letter-spacing: 0.02em;
  border-left: 2px solid var(--color-cinnabar);
  padding-left: 24px;
  margin-bottom: 32px;
}
.story-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 40px;
  border-top: 1px solid var(--color-line);
}
.story-meta li {
  padding: 24px 0;
  border-bottom: 1px solid var(--color-line);
  border-right: 1px solid var(--color-line);
  text-align: center;
}
.story-meta li:last-child { border-right: none; }
.story-meta strong {
  font-family: var(--font-cn-serif);
  display: block;
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 600;
  color: var(--color-jade);
}
.story-meta span {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  margin-top: 8px;
  display: block;
}

@media (max-width: 880px) {
  .story { grid-template-columns: 1fr; }
  .story-meta { grid-template-columns: 1fr; }
  .story-meta li { border-right: none; }
}

/* ============================================================
   Services / 三大业务
   ============================================================ */
.services {
  background: var(--color-paper-soft);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--color-line);
}
.service {
  position: relative;
  padding: clamp(40px, 5vw, 64px) clamp(28px, 3vw, 40px);
  border-right: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  background: var(--color-paper);
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-height: 460px;
  transition: background 0.3s ease, transform 0.3s ease;
}
.service:last-child { border-right: none; }
.service:hover { background: var(--color-paper-warm); }
.service-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-cinnabar);
}
.service-title {
  font-family: var(--font-cn-serif);
  font-weight: 600;
  font-size: clamp(28px, 3vw, 38px);
  letter-spacing: 0.06em;
  line-height: 1.2;
  color: var(--color-jade);
  margin: 0;
}
.service-title small {
  display: block;
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-bronze);
  margin-top: 10px;
  letter-spacing: 0.32em;
}
.service-desc {
  font-family: var(--font-cn-serif);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--color-ink-soft);
  letter-spacing: 0.04em;
  flex: 1;
}
.service-tag {
  font-family: var(--font-cn);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--color-cinnabar);
  text-transform: uppercase;
  font-family: var(--font-display);
  font-style: italic;
}
.service-tag::after { content: "→"; font-style: normal; }

@media (max-width: 880px) {
  .service-grid { grid-template-columns: 1fr; }
  .service { border-right: none; min-height: auto; }
}

/* ============================================================
   Philosophy / 产品理念
   ============================================================ */
.philosophy {
  background: var(--color-jade-deep);
  color: var(--color-paper);
  background-image: var(--noise);
  background-size: 240px 240px;
  position: relative;
  overflow: hidden;
}
.philosophy .section-head { border-bottom-color: var(--color-line-paper); }
.philosophy .section-num { color: var(--color-bronze-soft); }
.philosophy .section-num small { color: var(--color-mist); }
.philosophy .section-title { color: var(--color-paper); }

.philosophy-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 96px);
}
.philosophy-quote {
  font-family: var(--font-cn-serif);
  font-weight: 500;
  font-size: clamp(28px, 4vw, 56px);
  line-height: 1.4;
  letter-spacing: 0.06em;
  color: var(--color-paper);
  position: relative;
  padding-left: 28px;
  border-left: 1px solid var(--color-bronze-soft);
}
.philosophy-quote em {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  color: var(--color-bronze-soft);
  display: block;
  font-size: 0.45em;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  margin-top: 16px;
}
.philosophy-list { display: flex; flex-direction: column; gap: 28px; }
.philosophy-item {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 20px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-line-paper);
}
.philosophy-item:last-child { border-bottom: none; }
.philosophy-item .num {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: 30px;
  color: var(--color-bronze-soft);
  line-height: 1;
}
.philosophy-item h3 {
  font-family: var(--font-cn-serif);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
  color: var(--color-paper);
}
.philosophy-item p {
  font-family: var(--font-cn-serif);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--color-mist);
  margin: 0;
  letter-spacing: 0.03em;
}

@media (max-width: 880px) {
  .philosophy-body { grid-template-columns: 1fr; }
}

/* ============================================================
   Stats / 数字
   ============================================================ */
.stats {
  background: var(--color-paper);
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--color-line);
}
.stat {
  border-right: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  padding: clamp(36px, 5vw, 56px) clamp(20px, 3vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.stat:last-child { border-right: none; }
.stat-num {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(48px, 6vw, 88px);
  line-height: 1;
  color: var(--color-jade);
  letter-spacing: -0.01em;
  font-variation-settings: "SOFT" 100;
}
.stat-num span {
  font-family: var(--font-cn-serif);
  font-size: 0.4em;
  letter-spacing: 0.08em;
  margin-left: 6px;
  font-weight: 500;
  color: var(--color-cinnabar);
}
.stat-label {
  font-family: var(--font-cn);
  font-size: 14px;
  letter-spacing: 0.18em;
  color: var(--color-ink);
}
.stat-cap {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
}
@media (max-width: 880px) {
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(2n) { border-right: none; }
}

/* ============================================================
   CTA / 加盟引导
   ============================================================ */
.cta {
  background: var(--color-cinnabar);
  color: var(--color-paper);
  padding: clamp(80px, 10vw, 140px) 0;
  background-image: var(--noise);
  background-size: 240px;
  position: relative;
  overflow: hidden;
}
.cta .shell {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: end;
}
.cta-title {
  font-family: var(--font-cn-serif);
  font-weight: 500;
  font-size: clamp(36px, 5vw, 76px);
  line-height: 1.15;
  letter-spacing: 0.05em;
  color: var(--color-paper);
}
.cta-title em {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  color: var(--color-bronze-soft);
  font-size: 0.45em;
  letter-spacing: 0.3em;
  display: block;
  margin-top: 18px;
  text-transform: uppercase;
}
.cta-aside {
  display: flex; flex-direction: column; gap: 24px;
  font-family: var(--font-cn-serif);
  font-size: 16px;
  line-height: 1.85;
  color: rgba(244,237,224,0.86);
}
.cta-aside .btn { align-self: flex-start; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 18px 28px;
  font-family: var(--font-cn);
  font-size: 14px;
  letter-spacing: 0.24em;
  border: 1px solid currentColor;
  background: transparent;
  color: inherit;
  transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
}
.btn::after { content: "→"; }
.btn:hover { background: var(--color-paper); color: var(--color-cinnabar); transform: translateX(4px); }
.btn-solid {
  background: var(--color-paper);
  color: var(--color-cinnabar);
  border-color: var(--color-paper);
}
.btn-solid:hover { background: var(--color-jade); color: var(--color-paper); border-color: var(--color-jade); transform: translateX(4px); }

@media (max-width: 880px) {
  .cta .shell { grid-template-columns: 1fr; }
}

/* ============================================================
   Sub Hero (about / join 页)
   ============================================================ */
.sub-hero {
  background: var(--color-jade-deep);
  color: var(--color-paper);
  padding: clamp(160px, 18vw, 240px) 0 clamp(80px, 10vw, 140px);
  background-image:
    radial-gradient(ellipse at 90% 10%, rgba(160, 123, 62, 0.18), transparent 60%),
    var(--noise);
  background-size: auto, 240px 240px;
  position: relative;
  overflow: hidden;
}
.sub-hero .shell { position: relative; z-index: 2; }
.sub-hero .crumbs {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-bronze-soft);
  margin-bottom: 32px;
}
.sub-hero .crumbs::before { content: ""; width: 36px; height: 1px; background: currentColor; }
.sub-hero h1 {
  font-family: var(--font-cn-serif);
  font-weight: 500;
  font-size: clamp(56px, 9vw, 140px);
  line-height: 1;
  letter-spacing: 0.05em;
  color: var(--color-paper);
}
.sub-hero h1 em {
  display: block;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: 0.28em;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-bronze-soft);
  margin-top: 28px;
}
.sub-hero .lede {
  margin-top: 40px;
  max-width: 720px;
  font-family: var(--font-cn-serif);
  font-size: clamp(17px, 1.6vw, 22px);
  line-height: 1.85;
  color: var(--color-mist);
  letter-spacing: 0.04em;
}
.sub-hero .leaf { opacity: 0.12; }

/* ============================================================
   Editorial blocks (about page)
   ============================================================ */
.editorial {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.editorial.flip > .ed-text { order: 2; }
.editorial .ed-aside {
  position: sticky;
  top: 120px;
  border-top: 1px solid var(--color-line);
  padding-top: 24px;
}
.editorial .ed-aside .label {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-cinnabar);
  margin-bottom: 16px;
  display: block;
}
.editorial .ed-aside h2 {
  font-family: var(--font-cn-serif);
  font-weight: 500;
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1.15;
  letter-spacing: 0.04em;
  color: var(--color-jade);
}
.editorial .ed-text p {
  font-family: var(--font-cn-serif);
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.95;
  color: var(--color-ink-soft);
  letter-spacing: 0.03em;
  margin: 0 0 1.5em;
}
.editorial .ed-text p:first-child::first-letter {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 4em;
  float: left;
  line-height: 0.85;
  margin: 0.05em 0.12em 0 0;
  color: var(--color-cinnabar);
}

@media (max-width: 880px) {
  .editorial { grid-template-columns: 1fr; }
  .editorial .ed-aside { position: static; }
}

/* ============================================================
   Values list (4 价值观)
   ============================================================ */
.values {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--color-line);
}
.value {
  border-right: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  padding: clamp(36px, 4vw, 52px) clamp(20px, 2.5vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-height: 320px;
}
.value:last-child { border-right: none; }
.value-num {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: 20px;
  letter-spacing: 0.2em;
  color: var(--color-cinnabar);
}
.value h3 {
  font-family: var(--font-cn-serif);
  font-weight: 600;
  font-size: 30px;
  letter-spacing: 0.16em;
  color: var(--color-jade);
}
.value h3 small {
  display: block;
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-bronze);
  margin-top: 10px;
}
.value p {
  font-family: var(--font-cn-serif);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--color-ink-soft);
  margin: 0;
  letter-spacing: 0.03em;
  flex: 1;
}
@media (max-width: 880px) {
  .values { grid-template-columns: 1fr 1fr; }
  .value:nth-child(2n) { border-right: none; }
}
@media (max-width: 520px) {
  .values { grid-template-columns: 1fr; }
  .value { border-right: none; min-height: auto; }
}

/* ============================================================
   Timeline / 发展历程 (about)
   ============================================================ */
.timeline {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: clamp(32px, 5vw, 80px);
  border-top: 1px solid var(--color-line);
  padding-top: clamp(40px, 5vw, 64px);
}
.timeline .label {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-cinnabar);
}
.timeline ol {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 32px;
}
.timeline li {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-line);
}
.timeline li:last-child { border-bottom: none; }
.timeline .yr {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 36px;
  color: var(--color-jade);
  letter-spacing: 0;
}
.timeline .body h4 {
  font-family: var(--font-cn-serif);
  font-weight: 500;
  font-size: 20px;
  margin-bottom: 8px;
  letter-spacing: 0.06em;
}
.timeline .body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-ink-soft);
}
@media (max-width: 880px) {
  .timeline { grid-template-columns: 1fr; }
  .timeline li { grid-template-columns: 1fr; gap: 8px; }
}

/* ============================================================
   Join page — perks list
   ============================================================ */
.perks {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-line);
}
.perk {
  display: grid;
  grid-template-columns: 90px 1fr 220px;
  gap: clamp(24px, 4vw, 56px);
  padding: clamp(36px, 4vw, 52px) 0;
  border-bottom: 1px solid var(--color-line);
  align-items: start;
  transition: background 0.3s ease;
}
.perk:hover { background: rgba(31, 58, 46, 0.04); }
.perk-num {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 64px;
  color: var(--color-cinnabar);
  line-height: 0.9;
}
.perk h3 {
  font-family: var(--font-cn-serif);
  font-weight: 500;
  font-size: clamp(24px, 2.4vw, 34px);
  letter-spacing: 0.06em;
  color: var(--color-jade);
  margin-bottom: 18px;
}
.perk p {
  font-family: var(--font-cn-serif);
  font-size: 16px;
  line-height: 1.85;
  color: var(--color-ink-soft);
  margin: 0;
  letter-spacing: 0.03em;
}
.perk-tag {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-bronze);
  text-align: right;
  border-top: 1px solid var(--color-line);
  padding-top: 12px;
}
@media (max-width: 880px) {
  .perk { grid-template-columns: 60px 1fr; }
  .perk-tag { grid-column: 1 / -1; text-align: left; padding-top: 8px; border-top: none; }
}

/* ============================================================
   Process / 加盟流程
   ============================================================ */
.process {
  background: var(--color-paper-soft);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  border-top: 1px solid var(--color-line);
  border-left: 1px solid var(--color-line);
}
.process-step {
  border-right: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  padding: clamp(24px, 3vw, 36px) clamp(18px, 2vw, 24px);
  background: var(--color-paper);
  display: flex; flex-direction: column; gap: 14px;
  min-height: 220px;
}
.process-step .step-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-cinnabar);
}
.process-step h4 {
  font-family: var(--font-cn-serif);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: 0.08em;
  color: var(--color-jade);
}
.process-step p {
  font-family: var(--font-cn);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--color-ink-soft);
  margin: 0;
}
@media (max-width: 1100px) {
  .process-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 600px) {
  .process-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   Contact / 联系板块
   ============================================================ */
.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 5vw, 80px);
  align-items: start;
}
.contact-info dl {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 14px 24px;
  margin: 0;
  border-top: 1px solid var(--color-line);
  padding-top: 24px;
}
.contact-info dt {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-cinnabar);
  padding-top: 6px;
}
.contact-info dd {
  margin: 0;
  font-family: var(--font-cn-serif);
  font-size: 17px;
  letter-spacing: 0.04em;
  color: var(--color-ink);
  border-bottom: 1px solid var(--color-line-soft);
  padding-bottom: 16px;
  padding-top: 6px;
}
.contact-card {
  background: var(--color-jade);
  color: var(--color-paper);
  padding: clamp(36px, 4vw, 56px);
  background-image: var(--noise);
  background-size: 240px;
  position: relative;
}
.contact-card h3 {
  font-family: var(--font-cn-serif);
  font-weight: 500;
  font-size: clamp(26px, 2.6vw, 36px);
  letter-spacing: 0.06em;
  margin-bottom: 18px;
}
.contact-card p {
  font-family: var(--font-cn-serif);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--color-mist);
  margin: 0 0 28px;
}
.contact-card .seal { position: absolute; top: 24px; right: 24px; transform: rotate(8deg); }
@media (max-width: 880px) {
  .contact { grid-template-columns: 1fr; }
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--color-jade-deep);
  color: var(--color-paper);
  padding: clamp(64px, 8vw, 112px) 0 32px;
  background-image: var(--noise);
  background-size: 240px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: clamp(28px, 4vw, 56px);
  padding-bottom: 56px;
  border-bottom: 1px solid var(--color-line-paper);
}
.footer-brand {
  display: flex; flex-direction: column; gap: 20px;
}
.footer-brand .brand { color: var(--color-paper); }
.footer-brand p {
  font-family: var(--font-cn-serif);
  font-size: 14px;
  line-height: 1.85;
  color: var(--color-mist);
  margin: 0;
  max-width: 320px;
}
.footer-col h4 {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 13px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-bronze-soft);
  margin-bottom: 18px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col li a {
  font-family: var(--font-cn);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--color-paper);
  opacity: 0.85;
  transition: opacity 0.25s ease, color 0.25s ease;
}
.footer-col li a:hover { opacity: 1; color: var(--color-bronze-soft); }
.footer-bottom {
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--color-mist);
}
.footer-bottom a:hover { color: var(--color-paper); }
@media (max-width: 880px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .footer-top { grid-template-columns: 1fr; }
}

/* ============================================================
   Reveal on scroll
   ============================================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}
[data-reveal].is-in {
  opacity: 1;
  transform: none;
}
[data-reveal][data-delay="1"] { transition-delay: 0.08s; }
[data-reveal][data-delay="2"] { transition-delay: 0.16s; }
[data-reveal][data-delay="3"] { transition-delay: 0.24s; }
[data-reveal][data-delay="4"] { transition-delay: 0.32s; }
[data-reveal][data-delay="5"] { transition-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .scroll-cue::before { animation: none; }
}