/* ================================================================
   玄隐 · Xuanyin — Global Stylesheet
   Song Dynasty Minimalism · Daoist Philosophy Platform
   ================================================================ */

:root {
  --ink:       #1A1A1A;
  --ink-mid:   #4A4A4A;
  --ink-light: #8A8A8A;
  --paper:     #F5F2EC;
  --paper-off: #EEEBE3;
  --paper-warm:#FAF8F4;
  --white:     #FFFFFF;
  --tea:       #7A5C3A;
  --tea-light: #C4A882;
  --bamboo:    #4A6B4A;
  --bamboo-light: #8FAE8F;
  --border:    #D8D4CC;
  --border-light: #EAE7E0;

  --font-serif-zh: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', serif;
  --font-serif-en: 'Playfair Display', 'Garamond', Georgia, serif;
  --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;

  --space-xs: 0.4rem;
  --space-sm: 0.85rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4.5rem;

  --radius: 2px;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 0.2s ease;
}

/* ── Reset & Base ─────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 17px;
}

body {
  font-family: var(--font-serif-zh);
  background-color: var(--paper);
  color: var(--ink);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }
input, select, textarea { font-family: inherit; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ── Typography ───────────────────────────────────────────────── */
.section-label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-bottom: 0.45rem;
  font-family: var(--font-sans);
  font-weight: 300;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 300;
  line-height: 1.3;
  letter-spacing: 0.02em;
  margin-bottom: 0.5rem;
}

.section-desc {
  font-size: 0.97rem;
  color: var(--ink-mid);
  font-family: var(--font-sans);
  font-weight: 300;
  max-width: 520px;
}

.section-header {
  margin-bottom: var(--space-md);
}

/* ── Navbar ───────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: rgba(245, 242, 236, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.75rem 0;
  box-shadow: 0 1px 0 var(--border-light);
}

/* On scrolled (light) navbar, nav text goes dark */
.navbar.scrolled .nav-links a { color: var(--ink-mid); }

/* Light-bg slide: switch navbar to dark text */
.navbar.nav-dark .nav-links a { color: var(--ink-mid); }
.navbar.nav-dark .nav-links a:hover { color: var(--ink); }
.navbar.nav-dark .lang-toggle { color: var(--ink-mid); border-color: var(--border); }
.navbar.nav-dark .lang-toggle:hover { color: var(--ink); border-color: var(--ink); }
.navbar.nav-dark .btn-join { background: var(--ink); color: var(--paper); }
.navbar.nav-dark .hamburger span { background: var(--ink); }
.navbar.nav-dark .hc-arrow { color: var(--ink); }
.navbar.scrolled .nav-logo-wrap {
  box-shadow: 0 0 0 1px rgba(0,0,0,0.08), 0 1px 4px rgba(0,0,0,0.1);
}

.nav-inner {
  display: flex;
  align-items: center;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  gap: var(--space-md);
}

.nav-brand {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.6rem;
  line-height: 1;
  flex-shrink: 0;
}

/* navbar logo image */
.nav-logo {
  height: 48px;
  width: auto;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.nav-logo:hover {
  opacity: 0.85;
  transform: scale(1.02);
}

/* 深色 banner 上：给深色文字加白色光晕，确保可见 */
.navbar:not(.scrolled):not(.nav-dark) .nav-logo {
  filter:
    drop-shadow(0 0 6px rgba(245,242,236,0.7))
    drop-shadow(0 0 2px rgba(245,242,236,0.9));
}

/* 浅色背景 slide / 滚动后：正常显示 */
.navbar.nav-dark .nav-logo,
.navbar.scrolled .nav-logo {
  filter: none;
}

.brand-zh {
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: 0.08em;
}

.brand-en {
  font-size: 1rem;
  letter-spacing: 0.18em;
  color: rgba(245,242,236,0.85);
  font-family: var(--font-serif-zh);
  font-weight: 300;
}

.navbar.scrolled .brand-en {
  color: var(--ink);
}

.nav-links {
  display: flex;
  gap: var(--space-md);
  margin-left: auto;
}

.nav-links a {
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--ink-mid);
  font-family: var(--font-sans);
  font-weight: 300;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--ink);
  transition: width var(--transition);
}

.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { width: 100%; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.lang-toggle {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--ink-light);
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--border);
  font-family: var(--font-serif-en);
  transition: all var(--transition-fast);
}

.lang-toggle:hover {
  color: var(--ink);
  border-color: var(--ink);
}

/* 3-option language selector (injected by JS, replaces single toggle) */
.lang-selector {
  display: flex;
  align-items: center;
  gap: 1px;
}
.ls-sep {
  color: var(--ink-light);
  font-size: 0.58rem;
  opacity: 0.35;
  pointer-events: none;
  user-select: none;
  padding: 0 1px;
}
.ls-btn {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  font-family: var(--font-sans);
  color: var(--ink-light);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.22rem 0.28rem;
  transition: color var(--transition-fast);
  line-height: 1;
}
.ls-btn:hover:not(.active) { color: var(--ink-mid); }
.ls-btn.active {
  color: var(--ink);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--tea);
  text-decoration-thickness: 1px;
}
/* On dark hero slides */
.navbar.nav-dark .ls-btn { color: rgba(255,255,255,0.55); }
.navbar.nav-dark .ls-btn.active { color: rgba(255,255,255,0.95); }
.navbar.nav-dark .ls-sep { color: rgba(255,255,255,0.25); }

.btn-join {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--paper);
  background: var(--ink);
  padding: 0.5rem 1.25rem;
  transition: all var(--transition-fast);
}

.btn-join:hover {
  background: var(--ink-mid);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  margin-left: auto;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--ink);
  transition: all var(--transition-fast);
}

.hamburger.open span:first-child {
  transform: rotate(45deg) translate(4px, 4px);
}
.hamburger.open span:last-child {
  transform: rotate(-45deg) translate(4px, -4px);
}

/* ── Mobile Menu ──────────────────────────────────────────────── */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--paper);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu ul {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.mobile-menu a {
  font-size: 1.8rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--ink-mid);
  transition: color var(--transition-fast);
}

.mobile-menu a:hover { color: var(--ink); }

/* ── Hero Carousel ────────────────────────────────────────────── */
.hero-carousel {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  user-select: none;
}

/* track */
.hc-track {
  display: flex;
  height: 100%;
  transition: transform 0.85s cubic-bezier(0.77, 0, 0.18, 1);
  will-change: transform;
}

/* individual slide */
.hc-slide {
  min-width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

/* slide colour themes */
.hc-slide.s1 { background: #111110; color: #F5F2EC; }
.hc-slide.s2 { background: #1E1A14; color: #F5F2EC; }
.hc-slide.s3 { background: #F5F2EC; color: #1A1A1A; }
.hc-slide.s4 { background: #2C2420; color: #F5F2EC; }

/* giant background character */
.hc-bg-char {
  position: absolute;
  right: -0.05em;
  top: 50%;
  transform: translateY(-50%);
  font-size: clamp(28vw, 38vw, 500px);
  font-weight: 200;
  line-height: 1;
  letter-spacing: -0.05em;
  opacity: 0.05;
  pointer-events: none;
  user-select: none;
  font-family: var(--font-serif-zh);
  z-index: 0;
}

.hc-slide.s3 .hc-bg-char { opacity: 0.06; }

/* canvas (slide 1 only) */
.hc-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.18;
  pointer-events: none;
  z-index: 0;
}

/* slide inner layout */
.hc-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  height: 100%;
  padding-top: 80px; /* navbar clearance */
}

/* text block */
.hc-text {
  max-width: 640px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hc-label {
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-family: var(--font-sans);
  font-weight: 300;
  opacity: 0.45;
}

/* big title */
.hc-title {
  display: flex;
  flex-direction: column;
  gap: 0;
  line-height: 1.05;
}

.hc-title-zh {
  display: block;
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 200;
  letter-spacing: 0.08em;
  line-height: 1.1;
}

.hc-title-zh--2 {
  opacity: 0.55;
  font-size: clamp(2rem, 5vw, 4rem);
  letter-spacing: 0.12em;
}

.hc-en {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: clamp(0.9rem, 1.6vw, 1.1rem);
  line-height: 1.6;
  opacity: 0.5;
  max-width: 480px;
}

.hc-source {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  opacity: 0.35;
  font-family: var(--font-sans);
  font-weight: 300;
}

.hc-desc {
  font-size: 0.95rem;
  line-height: 1.75;
  font-family: var(--font-sans);
  font-weight: 300;
  opacity: 0.6;
  max-width: 460px;
}

.hc-btn {
  display: inline-block;
  align-self: flex-start;
  padding: 0.7rem 1.8rem;
  border: 1px solid currentColor;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  opacity: 0.75;
  transition: opacity 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.hc-btn:hover {
  opacity: 1;
  background: currentColor;
  color: var(--paper);
}

.hc-slide.s3 .hc-btn:hover { color: var(--ink); background: var(--ink); color: var(--paper); }

/* decorative rings — slide 1 */
.hc-rings {
  position: absolute;
  right: 8%;
  top: 50%;
  transform: translateY(-50%);
  width: 340px;
  height: 340px;
  pointer-events: none;
  z-index: 1;
}

.hc-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(245,242,236,0.12);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation: rotateSlow 60s linear infinite;
}

.hc-ring-1 { width: 340px; height: 340px; animation-duration: 80s; }
.hc-ring-2 { width: 230px; height: 230px; opacity: 0.7; animation-direction: reverse; animation-duration: 55s; }
.hc-ring-3 { width: 120px; height: 120px; opacity: 0.5; animation-duration: 35s; }

/* decorative — slide 2: stacked characters */
.hc-deco { flex-shrink: 0; }

.s2-deco {
  display: flex;
  align-items: center;
  justify-content: center;
}

.s2-chars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  opacity: 0.18;
}

.s2-chars span {
  font-size: clamp(2.5rem, 4vw, 4rem);
  font-weight: 200;
  letter-spacing: 0.05em;
  line-height: 1;
  text-align: center;
}

/* decorative — slide 3: concentric rings */
.s3-deco {
  display: flex;
  align-items: center;
  justify-content: center;
}

.s3-rings {
  position: relative;
  width: 280px;
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.s3-r {
  position: absolute;
  border-radius: 50%;
  border: 1px solid currentColor;
}

.s3-r.r1 { width: 270px; height: 270px; opacity: 0.07; }
.s3-r.r2 { width: 190px; height: 190px; opacity: 0.11; }
.s3-r.r3 { width: 110px; height: 110px; opacity: 0.16; }

.s3-center {
  position: relative;
  z-index: 1;
  font-size: 4rem;
  font-weight: 200;
  opacity: 0.45;
  letter-spacing: 0.05em;
}

/* ── Arrows ───────────────────────────────────────────────────── */
.hc-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(200,200,200,0.25);
  background: rgba(0,0,0,0.15);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  cursor: pointer;
  color: #F5F2EC;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
  border-radius: 0;
}

.hc-arrow:hover {
  background: rgba(0,0,0,0.35);
  border-color: rgba(200,200,200,0.5);
}

.hc-arrow:active { transform: translateY(-50%) scale(0.92); }

.hc-slide.s3 .hc-arrow { /* handled globally */ }

.hc-prev { left: var(--space-md); }
.hc-next { right: var(--space-md); }

.hc-arrow svg {
  width: 22px;
  height: 22px;
}

/* ── Footer bar (dots + counter + scroll hint) ────────────────── */
.hc-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0 var(--space-md) 1.5rem;
  display: flex;
  align-items: flex-end;
  gap: var(--space-md);
  z-index: 20;
  pointer-events: none;
}

.hc-dots {
  display: flex;
  gap: 8px;
  pointer-events: all;
}

.hc-dot {
  width: 24px;
  height: 2px;
  padding: 0;
  border-radius: 1px;
  background: rgba(245,242,236,0.3);
  cursor: pointer;
  transition: width 0.35s ease, background 0.35s ease;
}

.hc-dot.active {
  width: 44px;
  background: rgba(245,242,236,0.8);
}

.hc-slide.s3 .hc-dot { background: rgba(26,26,26,0.25); }
.hc-slide.s3 .hc-dot.active { background: rgba(26,26,26,0.7); }

.hc-counter {
  font-family: var(--font-serif-en);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: rgba(245,242,236,0.45);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.hc-sep { opacity: 0.4; }

.hc-scroll-hint {
  margin-left: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.hc-scroll-line {
  display: block;
  width: 1px;
  height: 32px;
  background: linear-gradient(to bottom, transparent, rgba(245,242,236,0.4));
  animation: scrollPulse 2s ease-in-out infinite;
}

.hc-scroll-text {
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  color: rgba(245,242,236,0.4);
  font-family: var(--font-sans);
  font-weight: 300;
}

/* ── Progress bar ─────────────────────────────────────────────── */
.hc-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 21;
}

.hc-progress-bar {
  height: 100%;
  background: rgba(245,242,236,0.35);
  width: 0%;
  transition: width linear;
}

/* content entry animation per active slide */
.hc-slide.hc-active .hc-text {
  animation: hcTextIn 0.7s cubic-bezier(0.25,0.46,0.45,0.94) 0.1s both;
}

.hc-slide.hc-active .hc-deco,
.hc-slide.hc-active .hc-rings {
  animation: hcTextIn 0.7s cubic-bezier(0.25,0.46,0.45,0.94) 0.25s both;
}

@keyframes hcTextIn {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 860px) {
  .hc-deco { display: none; }
  .hc-rings { display: none; }
  .hc-title-zh { font-size: clamp(2.4rem, 8vw, 3.5rem); }
  .hc-title-zh--2 { font-size: clamp(1.8rem, 6vw, 2.8rem); }
  .hc-arrow { width: 46px; height: 46px; }
  .hc-prev { left: 0.75rem; }
  .hc-next { right: 0.75rem; }
}

@media (max-width: 520px) {
  .hero-carousel { min-height: 520px; }
  .hc-title-zh { font-size: clamp(2rem, 10vw, 2.8rem); }
  .hc-title-zh--2 { font-size: clamp(1.5rem, 8vw, 2rem); }
  .hc-btn { font-size: 0.8rem; padding: 0.6rem 1.4rem; }
}

/* ── (old banner CSS removed — kept for reference only) ── */
.slide-bg-pattern {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.p1 {
  background:
    radial-gradient(ellipse 60% 80% at 75% 50%, rgba(196,168,130,0.07) 0%, transparent 70%),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 80px,
      rgba(196,168,130,0.04) 80px,
      rgba(196,168,130,0.04) 81px
    );
}

.p2 {
  background:
    radial-gradient(ellipse 55% 70% at 70% 55%, rgba(74,107,74,0.1) 0%, transparent 65%),
    radial-gradient(ellipse 30% 40% at 20% 80%, rgba(74,107,74,0.05) 0%, transparent 60%);
}

.p3 {
  background:
    radial-gradient(ellipse 60% 80% at 30% 50%, rgba(196,168,130,0.08) 0%, transparent 70%),
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 40px,
      rgba(196,168,130,0.025) 40px,
      rgba(196,168,130,0.025) 41px
    );
}

.p4 {
  background:
    radial-gradient(ellipse 40% 60% at 80% 40%, rgba(122,92,58,0.08) 0%, transparent 60%);
}

.slide-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  height: 100%;
}

.slide-content {
  max-width: 520px;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.slide-eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-family: var(--font-sans);
  font-weight: 300;
  opacity: 0.55;
}

.slide-title {
  font-size: clamp(1.15rem, 2.5vw, 1.75rem);
  font-weight: 300;
  line-height: 1.4;
  letter-spacing: 0.02em;
}

.slide-body {
  font-size: 0.9rem;
  line-height: 1.75;
  font-family: var(--font-sans);
  font-weight: 300;
  opacity: 0.65;
  max-width: 420px;
}

.slide-btn {
  display: inline-block;
  align-self: flex-start;
  margin-top: 0.4rem;
  padding: 0.55rem 1.4rem;
  border: 1px solid var(--slide-accent, currentColor);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: var(--slide-fg, currentColor);
  transition: background 0.25s ease, color 0.25s ease;
}

.slide-btn:hover {
  background: var(--slide-accent, currentColor);
  color: var(--slide-bg, var(--paper));
}

/* Quote slide variant */
.slide-content--quote {
  max-width: 580px;
}

.slide-quote {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-style: normal;
}

.slide-quote-zh {
  font-size: clamp(1.1rem, 2.2vw, 1.5rem);
  font-weight: 300;
  line-height: 1.7;
  letter-spacing: 0.06em;
}

.slide-quote-en {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: clamp(0.85rem, 1.5vw, 1rem);
  opacity: 0.55;
  line-height: 1.6;
}

.slide-quote cite {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  opacity: 0.4;
  font-family: var(--font-sans);
  font-weight: 300;
  margin-top: 0.2rem;
}

/* ── Slide Visuals ────────────────────────────────────────────── */
.slide-visual {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* v1 — stacked characters */
.sv-stack {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  position: relative;
  gap: 0;
}

.sv-char {
  font-size: 4.5rem;
  font-weight: 200;
  letter-spacing: -0.05em;
  line-height: 1;
  opacity: 0.18;
  display: block;
}

.sv-char.c1 { font-size: 5rem; opacity: 0.22; transform: translateX(12px); }
.sv-char.c2 { font-size: 4rem; opacity: 0.14; transform: translateX(-6px); }
.sv-char.c3 { font-size: 3rem; opacity: 0.10; }

.sv-lines {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  gap: 0;
  pointer-events: none;
}

.sv-lines span {
  display: block;
  height: 1px;
  width: 100%;
  background: linear-gradient(90deg, transparent, currentColor, transparent);
  opacity: 0.08;
}

/* v2 — concentric rings */
.sv-circle-group {
  position: relative;
  width: 220px;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sv-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid currentColor;
}

.sv-ring.r1 { width: 210px; height: 210px; opacity: 0.08; }
.sv-ring.r2 { width: 150px; height: 150px; opacity: 0.13; }
.sv-ring.r3 { width: 90px; height: 90px; opacity: 0.18; }

.sv-center-char {
  font-size: 2.5rem;
  font-weight: 200;
  opacity: 0.55;
  position: relative;
  z-index: 1;
  letter-spacing: 0.05em;
}

/* v3 — node graph */
.sv-nodes {
  position: relative;
  width: 220px;
  height: 180px;
}

.sv-node {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: currentColor;
}

.sv-node.n1 { left: 26px; top: 26px; opacity: 0.5; }
.sv-node.n2 { right: 26px; top: 26px; opacity: 0.35; }
.sv-node.n3 { left: 50%; top: 65px; transform: translateX(-50%); opacity: 0.6; }
.sv-node.n4 { left: 50%; bottom: 14px; transform: translateX(-50%); opacity: 0.4; }

.sv-edges {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: currentColor;
}

/* v4 — brushstroke char */
.sv-brushstroke {
  display: flex;
  align-items: center;
  justify-content: center;
}

.sv-big-char {
  font-size: 9rem;
  font-weight: 200;
  letter-spacing: 0;
  line-height: 1;
  opacity: 0.12;
}

/* ── Arrows ───────────────────────────────────────────────────── */
.banner-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(128,128,128,0.3);
  background: rgba(245,242,236,0.08);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
  cursor: pointer;
  color: inherit;
}

.banner-arrow:hover {
  background: rgba(245,242,236,0.18);
  border-color: rgba(128,128,128,0.5);
}

.banner-arrow:active { transform: translateY(-50%) scale(0.94); }

.arrow-prev { left: var(--space-md); }
.arrow-next { right: var(--space-md); }

.banner-arrow svg {
  width: 18px;
  height: 18px;
  color: currentColor;
  opacity: 0.7;
}

/* ── Dots ─────────────────────────────────────────────────────── */
.banner-dots {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.dot {
  width: 22px;
  height: 3px;
  background: rgba(128,128,128,0.35);
  border-radius: 2px;
  transition: background 0.3s ease, width 0.3s ease;
  cursor: pointer;
  padding: 0;
}

.dot.active {
  width: 36px;
  background: rgba(128,128,128,0.75);
}

/* ── Progress bar ─────────────────────────────────────────────── */
.banner-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: transparent;
  z-index: 10;
}

.banner-progress-bar {
  height: 100%;
  background: rgba(128,128,128,0.4);
  width: 0%;
  transition: width linear;
}

/* slide-in animation for active slide content */
.banner-slide.is-active .slide-content {
  animation: slideContentIn 0.6s ease 0.15s both;
}
.banner-slide.is-active .slide-visual {
  animation: slideContentIn 0.6s ease 0.25s both;
}

@keyframes slideContentIn {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 760px) {
  .banner-carousel { height: 380px; }
  .slide-visual { display: none; }
  .slide-title { font-size: clamp(1.1rem, 4vw, 1.4rem); }
  .slide-body { font-size: 0.88rem; }
  .slide-quote-zh { font-size: clamp(1rem, 4vw, 1.25rem); }
  .sv-big-char { font-size: 6rem; }
  .arrow-prev { left: 0.75rem; }
  .arrow-next { right: 0.75rem; }
}

@media (max-width: 480px) {
  .banner-carousel { height: 340px; }
}

/* ── Philosophy Strip ─────────────────────────────────────────── */
.philosophy-strip {
  background: var(--ink);
  color: var(--paper);
  padding: var(--space-lg) 0;
}

.strip-grid {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 0;
}

.strip-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-md) var(--space-md);
  gap: 0.2rem;
}

.strip-zh {
  font-size: 1.7rem;
  font-weight: 200;
  letter-spacing: 0.2em;
  color: var(--paper);
}

.strip-en {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: 0.85rem;
  color: rgba(245,242,236,0.5);
  letter-spacing: 0.05em;
}

.strip-sub {
  font-size: 0.75rem;
  font-family: var(--font-sans);
  font-weight: 300;
  color: rgba(245,242,236,0.45);
  letter-spacing: 0.05em;
  margin-top: 0.5rem;
}

.strip-divider {
  width: 1px;
  background: rgba(245,242,236,0.12);
  align-self: stretch;
  margin: var(--space-md) 0;
}

/* ── About ────────────────────────────────────────────────────── */
.about {
  padding: var(--space-xl) 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.about-desc {
  font-size: 1.05rem;
  font-weight: 300;
  line-height: 1.85;
  margin-bottom: var(--space-sm);
}

.about-sub {
  font-size: 0.95rem;
  color: var(--ink-mid);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.75;
}

.about-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.ink-circle {
  position: relative;
  width: 220px;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ink-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--ink);
}

.ink-ring.r1 {
  width: 200px; height: 200px;
  opacity: 0.12;
  animation: pulseRing 4s ease-in-out infinite;
}
.ink-ring.r2 {
  width: 140px; height: 140px;
  opacity: 0.18;
  animation: pulseRing 4s ease-in-out 0.5s infinite;
}
.ink-ring.r3 {
  width: 80px; height: 80px;
  opacity: 0.25;
  animation: pulseRing 4s ease-in-out 1s infinite;
}

.ink-char {
  font-size: 3rem;
  font-weight: 200;
  letter-spacing: 0.1em;
  opacity: 0.7;
  position: relative;
  z-index: 1;
}

/* ── Insights ─────────────────────────────────────────────────── */
.insights {
  padding: var(--space-xl) 0;
  background: var(--paper-warm);
}

.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.insight-card {
  padding: var(--space-lg) var(--space-md);
  border: 1px solid var(--border-light);
  background: var(--white);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.insight-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(26, 26, 26, 0.06);
}

.insight-card.featured {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.insight-icon {
  width: 40px;
  height: 40px;
  color: var(--ink-light);
}

.insight-card.featured .insight-icon { color: rgba(245,242,236,0.4); }

.card-tag {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--ink-light);
}

.insight-card.featured .card-tag { color: rgba(245,242,236,0.45); }

.card-title {
  font-size: 1.15rem;
  font-weight: 300;
  letter-spacing: 0.04em;
}

.card-body {
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--ink-mid);
  font-family: var(--font-sans);
  font-weight: 300;
  flex: 1;
}

.insight-card.featured .card-body { color: rgba(245,242,236,0.65); }

.card-link {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--ink-light);
  transition: color var(--transition-fast);
  align-self: flex-start;
}

.card-link:hover { color: var(--ink); }
.insight-card.featured .card-link { color: rgba(245,242,236,0.5); }
.insight-card.featured .card-link:hover { color: var(--paper); }

/* ── Archive ──────────────────────────────────────────────────── */
.archive {
  padding: var(--space-xl) 0;
}

.classics-tabs {
  display: flex;
  gap: 0;
  margin-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border);
}

.tab {
  padding: 0.75rem 2rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  color: var(--ink-light);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all var(--transition-fast);
}

.tab.active {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.tab:hover:not(.active) { color: var(--ink-mid); }

.classic-panel { display: none; }
.classic-panel.active { display: block; }

.classic-entry {
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--border-light);
}

.classic-entry:last-child { border-bottom: none; }

.classic-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.classic-num {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--ink-light);
  font-family: var(--font-sans);
}

.classic-text-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.classic-col {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.col-label {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--ink-light);
  font-family: var(--font-sans);
  font-weight: 300;
}

.classic-original {
  font-family: var(--font-serif-zh);
  font-size: 1.05rem;
  line-height: 1.85;
  font-weight: 300;
  letter-spacing: 0.05em;
}

.classic-en {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--ink-mid);
}

.classic-col p:not(.classic-original):not(.classic-en) {
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--ink-mid);
  font-family: var(--font-sans);
  font-weight: 300;
}

.classic-analysis {
  padding: var(--space-md);
  background: var(--paper-off);
  border-left: 2px solid var(--tea-light);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.analysis-label {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--tea);
  font-family: var(--font-sans);
  font-weight: 400;
}

.classic-analysis p {
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--ink-mid);
  font-family: var(--font-sans);
  font-weight: 300;
}

.archive-cta {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.archive-cta p {
  font-size: 0.85rem;
  color: var(--ink-light);
  font-family: var(--font-sans);
  font-weight: 300;
}

.btn-secondary {
  display: inline-block;
  padding: 0.65rem 1.75rem;
  border: 1px solid var(--ink);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  font-family: var(--font-sans);
  color: var(--ink);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-secondary:hover {
  background: var(--ink);
  color: var(--paper);
}

/* ── Practice ─────────────────────────────────────────────────── */
.practice {
  padding: var(--space-xl) 0;
  background: var(--paper-warm);
}

.practice-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.practice-card {
  padding: var(--space-lg);
  border: 1px solid var(--border-light);
  background: var(--white);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.practice-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent, var(--bamboo));
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}

.practice-card:hover::before { transform: scaleX(1); }

.practice-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(26,26,26,0.06);
}

.practice-number {
  font-family: var(--font-serif-en);
  font-size: 3rem;
  font-weight: 400;
  color: var(--border-light);
  line-height: 1;
  margin-bottom: var(--space-sm);
  letter-spacing: -0.02em;
}

.practice-title {
  font-size: 1.35rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.practice-sub {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: var(--ink-light);
  font-family: var(--font-sans);
  font-weight: 300;
  margin-bottom: var(--space-sm);
}

.practice-body {
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--ink-mid);
  font-family: var(--font-sans);
  font-weight: 300;
  margin-bottom: var(--space-sm);
}

.practice-steps {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: var(--space-md);
  counter-reset: steps;
}

.practice-steps li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--ink-mid);
  font-family: var(--font-sans);
  font-weight: 300;
  counter-increment: steps;
}

.practice-steps li::before {
  content: counter(steps);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  min-width: 20px;
  border: 1px solid var(--border);
  border-radius: 50%;
  font-size: 0.65rem;
  color: var(--ink-light);
  font-family: var(--font-serif-en);
  margin-top: 1px;
}

.practice-cta {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--ink-light);
  transition: color var(--transition-fast);
}

.practice-cta:hover { color: var(--ink); }

.today-practice {
  padding: var(--space-sm);
  background: var(--paper-off);
  border-left: 2px solid var(--tea-light);
  margin-top: var(--space-sm);
}

.today-label {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--tea);
  font-family: var(--font-sans);
  display: block;
  margin-bottom: 0.25rem;
}

.today-value {
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  font-weight: 300;
  display: block;
  margin-bottom: 0.5rem;
}

.today-tip {
  font-size: 0.82rem;
  color: var(--ink-mid);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.7;
}

/* ── Community ────────────────────────────────────────────────── */
.community {
  padding: var(--space-xl) 0;
}

.community-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.community-feature {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.feature-icon {
  width: 40px;
  height: 40px;
  color: var(--ink-light);
}

.community-feature h3 {
  font-size: 1.05rem;
  font-weight: 300;
  letter-spacing: 0.05em;
}

.community-feature p {
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--ink-mid);
  font-family: var(--font-sans);
  font-weight: 300;
}

.topics-preview {
  border: 1px solid var(--border-light);
  padding: var(--space-lg);
  background: var(--white);
}

.topics-title {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--ink-light);
  font-family: var(--font-sans);
  font-weight: 300;
  margin-bottom: var(--space-md);
}

.topics-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.topic-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-light);
  flex-wrap: wrap;
}

.topic-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.topic-tag {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  font-family: var(--font-sans);
  font-weight: 400;
  padding: 0.2rem 0.6rem;
  background: var(--bamboo-light);
  color: var(--white);
  white-space: nowrap;
}

.topic-tag.closed { background: var(--border); color: var(--ink-light); }
.topic-tag.upcoming { background: var(--tea-light); }

.topic-item p {
  flex: 1;
  font-size: 0.9rem;
  font-weight: 300;
  min-width: 200px;
}

.topic-count {
  font-size: 0.75rem;
  color: var(--ink-light);
  font-family: var(--font-sans);
  font-weight: 300;
  white-space: nowrap;
}

/* ── Lab ──────────────────────────────────────────────────────── */
.lab {
  padding: var(--space-xl) 0;
  background: var(--ink);
  color: var(--paper);
}

.lab .section-label { color: rgba(245,242,236,0.35); }
.lab .section-title { color: var(--paper); }
.lab .section-desc { color: rgba(245,242,236,0.5); max-width: 460px; }

.lab-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.lab-tool {
  padding: var(--space-lg);
  border: 1px solid rgba(245,242,236,0.12);
  background: rgba(245,242,236,0.03);
}

.tool-title {
  font-size: 1.15rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
}

.tool-desc {
  font-size: 0.82rem;
  color: rgba(245,242,236,0.5);
  font-family: var(--font-sans);
  font-weight: 300;
  margin-bottom: var(--space-lg);
}

/* Breathing Tool */
.breath-container {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.breath-circle {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 1px solid rgba(245,242,236,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
  transition: all 0.3s ease;
}

.breath-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(245,242,236,0.1);
  animation: none;
}

.breath-circle.inhale .breath-ring {
  animation: breathExpand 4s ease-in-out forwards;
}

.breath-circle.hold .breath-ring {
  animation: breathHold 4s ease forwards;
}

.breath-circle.exhale .breath-ring {
  animation: breathShrink 4s ease-in-out forwards;
}

.breath-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  z-index: 1;
}

#breathPhase {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  font-family: var(--font-sans);
  color: rgba(245,242,236,0.7);
}

#breathCount {
  font-family: var(--font-serif-en);
  font-size: 1.5rem;
  color: rgba(245,242,236,0.4);
}

.breath-controls {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.btn-breath {
  padding: 0.55rem 1.5rem;
  border: 1px solid rgba(245,242,236,0.3);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  transition: all var(--transition-fast);
  background: rgba(245,242,236,0.05);
}

.btn-breath:hover {
  background: rgba(245,242,236,0.1);
  border-color: rgba(245,242,236,0.5);
}

.breath-select {
  flex: 1;
  padding: 0.55rem 1rem;
  background: rgba(245,242,236,0.05);
  border: 1px solid rgba(245,242,236,0.15);
  color: rgba(245,242,236,0.6);
  font-size: 0.78rem;
  font-family: var(--font-sans);
  appearance: none;
  cursor: pointer;
}

.tool-note {
  font-size: 0.72rem;
  color: rgba(245,242,236,0.3);
  font-family: var(--font-sans);
  font-weight: 300;
  letter-spacing: 0.03em;
}

/* AI Tool */
.ai-interface {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.ai-input {
  width: 100%;
  padding: var(--space-sm);
  background: rgba(245,242,236,0.05);
  border: 1px solid rgba(245,242,236,0.15);
  color: var(--paper);
  font-size: 0.88rem;
  font-family: var(--font-sans);
  font-weight: 300;
  resize: vertical;
  line-height: 1.7;
  transition: border-color var(--transition-fast);
}

.ai-input::placeholder { color: rgba(245,242,236,0.25); }
.ai-input:focus {
  outline: none;
  border-color: rgba(245,242,236,0.35);
}

.btn-ai {
  align-self: flex-start;
  padding: 0.6rem 1.5rem;
  border: 1px solid rgba(245,242,236,0.3);
  background: rgba(245,242,236,0.06);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  transition: all var(--transition-fast);
}

.btn-ai:hover {
  background: rgba(245,242,236,0.12);
  border-color: rgba(245,242,236,0.5);
}

.ai-response {
  padding: var(--space-sm);
  background: rgba(245,242,236,0.04);
  border-left: 2px solid rgba(196,168,130,0.4);
  font-size: 0.85rem;
  line-height: 1.9;
  font-family: var(--font-sans);
  font-weight: 300;
  color: rgba(245,242,236,0.7);
  display: none;
}

.ai-response.visible { display: block; }

/* ── Methodology ──────────────────────────────────────────────── */
.methodology {
  padding: var(--space-xl) 0;
  background: var(--ink);
  color: var(--paper);
}

.methodology .section-label { color: rgba(245,242,236,0.35); }
.methodology .section-title { color: var(--paper); }
.methodology .section-desc  { color: rgba(245,242,236,0.45); max-width: 560px; }

.method-steps {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
  background: rgba(245,242,236,0.08);
  border: 1px solid rgba(245,242,236,0.08);
}

.method-step {
  background: var(--ink);
  padding: var(--space-md) var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: background 0.25s ease;
}

.method-step:hover { background: rgba(245,242,236,0.04); }

.method-num {
  font-family: var(--font-serif-en);
  font-size: 1.6rem;
  font-weight: 400;
  color: rgba(196,168,130,0.5);
  line-height: 1;
}

.method-body h4 {
  font-size: 0.88rem;
  font-weight: 300;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
  color: rgba(245,242,236,0.85);
}

.method-body p {
  font-size: 0.8rem;
  line-height: 1.7;
  color: rgba(245,242,236,0.4);
  font-family: var(--font-sans);
  font-weight: 300;
}

@media (max-width: 900px) {
  .method-steps { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 600px) {
  .method-steps { grid-template-columns: repeat(2, 1fr); }
}

/* ── Courses ───────────────────────────────────────────────────── */
.courses {
  padding: var(--space-xl) 0;
  background: var(--paper-warm);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.course-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.course-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(26,26,26,0.07);
}

.course-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}

.course-personal::before { background: linear-gradient(90deg, var(--bamboo), var(--bamboo-light)); }
.course-enterprise::before { background: linear-gradient(90deg, var(--tea), var(--tea-light)); }

.course-badge {
  display: inline-block;
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--white);
  padding: 0.2rem 0.6rem;
  align-self: flex-start;
}

.course-personal .course-badge { background: var(--bamboo); }
.course-enterprise .course-badge { background: var(--tea); }

.course-status {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  font-family: var(--font-sans);
  color: var(--bamboo);
  font-weight: 400;
}

.course-status--upcoming { color: var(--ink-light); }

.course-title {
  font-size: 1.05rem;
  font-weight: 300;
  letter-spacing: 0.03em;
  line-height: 1.4;
}

.course-duration {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--ink-light);
  font-family: var(--font-sans);
  font-weight: 300;
}

.course-desc {
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--ink-mid);
  font-family: var(--font-sans);
  font-weight: 300;
}

.course-modules {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  flex: 1;
}

.course-modules li {
  font-size: 0.82rem;
  color: var(--ink-mid);
  font-family: var(--font-sans);
  font-weight: 300;
  padding-left: 1rem;
  position: relative;
  line-height: 1.5;
}

.course-modules li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--border);
  font-size: 0.7rem;
}

.course-cta {
  display: inline-block;
  align-self: flex-start;
  padding: 0.55rem 1.25rem;
  border: 1px solid var(--ink);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  font-family: var(--font-sans);
  color: var(--ink);
  margin-top: auto;
  transition: all 0.2s ease;
}

.course-cta:hover {
  background: var(--ink);
  color: var(--paper);
}

.courses-note {
  padding: var(--space-md);
  border-left: 2px solid var(--border);
}

.courses-note p {
  font-size: 0.78rem;
  color: var(--ink-light);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.7;
}

@media (max-width: 900px) {
  .courses-grid { grid-template-columns: 1fr; }
}

/* ── Advisors ──────────────────────────────────────────────────── */
.advisors {
  padding: var(--space-xl) 0;
}

.advisors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.advisor-field {
  padding: var(--space-md);
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: border-color 0.25s ease;
}

.advisor-field:hover { border-color: var(--border); }

.advisor-field--cta {
  border-style: dashed;
  background: var(--paper-warm);
}

.advisor-icon {
  width: 36px;
  height: 36px;
  color: var(--ink-light);
}

.advisor-field h4 {
  font-size: 0.95rem;
  font-weight: 300;
  letter-spacing: 0.04em;
}

.advisor-field p {
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--ink-mid);
  font-family: var(--font-sans);
  font-weight: 300;
  flex: 1;
}

.advisor-status {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  font-family: var(--font-sans);
  color: var(--tea);
  align-self: flex-start;
  border: 1px solid var(--tea-light);
  padding: 0.15rem 0.5rem;
}

.advisor-apply {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  font-family: var(--font-sans);
  color: var(--ink-mid);
  transition: color 0.2s ease;
  align-self: flex-start;
}

.advisor-apply:hover { color: var(--ink); }

@media (max-width: 900px) {
  .advisors-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .advisors-grid { grid-template-columns: 1fr; }
}

/* ── Building ──────────────────────────────────────────────────── */
.building {
  padding: var(--space-xl) 0;
  background: var(--paper-off);
}

.building-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.building-item {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: var(--space-md);
  background: var(--white);
  border: 1px solid var(--border-light);
  position: relative;
}

.building-progress {
  height: 2px;
  background: var(--border-light);
  position: absolute;
  top: 0; left: 0; right: 0;
}

.building-progress::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  height: 100%;
  width: var(--prog, 0%);
  background: linear-gradient(90deg, var(--tea), var(--tea-light));
  transition: width 1.2s ease;
}

.building-item h4 {
  font-size: 0.92rem;
  font-weight: 300;
  letter-spacing: 0.04em;
  margin-top: 0.5rem;
}

.building-item p {
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--ink-mid);
  font-family: var(--font-sans);
  font-weight: 300;
  flex: 1;
}

.building-pct {
  font-family: var(--font-serif-en);
  font-size: 1.4rem;
  color: var(--border);
  align-self: flex-end;
  line-height: 1;
  margin-top: auto;
}

@media (max-width: 900px) {
  .building-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .building-grid { grid-template-columns: 1fr; }
}

/* ── Join / Newsletter ────────────────────────────────────────── */
.join {
  padding: var(--space-xl) 0;
  background: var(--paper-warm);
}

.join-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.join-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 300;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.join > .container > .join-inner > .join-text > p {
  font-size: 0.95rem;
  color: var(--ink-mid);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.join-benefits {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.join-benefits li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--ink-mid);
  font-family: var(--font-sans);
  font-weight: 300;
}

.join-benefits li::before {
  content: '—';
  color: var(--tea-light);
  font-size: 0.7rem;
  flex-shrink: 0;
}

.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-group {
  position: relative;
}

.form-input {
  width: 100%;
  padding: 1rem var(--space-sm);
  border: 1px solid var(--border);
  background: var(--white);
  font-size: 0.9rem;
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--ink);
  transition: border-color var(--transition-fast);
  appearance: none;
}

.form-input:focus {
  outline: none;
  border-color: var(--ink);
}

.form-label {
  position: absolute;
  top: -0.5rem;
  left: 0.75rem;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--ink-light);
  font-family: var(--font-sans);
  background: var(--white);
  padding: 0 0.25rem;
}

.btn-submit {
  width: 100%;
  padding: 1rem;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  letter-spacing: 0.12em;
  transition: background var(--transition-fast);
}

.btn-submit:hover { background: var(--ink-mid); }

.form-note {
  font-size: 0.7rem;
  color: var(--ink-light);
  font-family: var(--font-sans);
  font-weight: 300;
  text-align: center;
  letter-spacing: 0.05em;
}

.join-success {
  text-align: center;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.success-circle {
  width: 60px;
  height: 60px;
  color: var(--bamboo);
}

.join-success p {
  font-size: 0.95rem;
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--ink-mid);
  line-height: 1.8;
}

/* ── Footer ───────────────────────────────────────────────────── */
.footer {
  padding: var(--space-xl) 0 var(--space-lg);
  background: var(--ink);
  color: var(--paper);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.footer-brand .brand-zh {
  font-size: 1.5rem;
  font-weight: 200;
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: 0.1rem;
}

/* footer logo */
.footer-logo {
  width: 56px;
  height: 56px;
  object-fit: contain;
  border-radius: 50%;
  display: block;
  margin-bottom: 0.6rem;
  /* invert white bg to blend with dark footer */
  filter: brightness(0.92) contrast(1.05);
  box-shadow: 0 0 0 1px rgba(196,168,130,0.2), 0 3px 12px rgba(0,0,0,0.4);
  transition: transform 0.3s ease;
}

.footer-logo:hover { transform: scale(1.05); }

.footer-brand .brand-en {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: rgba(245,242,236,0.35);
  font-family: var(--font-serif-en);
  display: block;
  margin-bottom: var(--space-sm);
}

.footer-brand p {
  font-size: 0.82rem;
  color: rgba(245,242,236,0.4);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.7;
}

.footer-links h4 {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: rgba(245,242,236,0.35);
  font-family: var(--font-sans);
  font-weight: 300;
  margin-bottom: var(--space-sm);
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: rgba(245,242,236,0.5);
  font-family: var(--font-sans);
  font-weight: 300;
  transition: color var(--transition-fast);
  letter-spacing: 0.02em;
}

.footer-links a:hover { color: rgba(245,242,236,0.85); }

/* ── Footer Counter ───────────────────────────────────────────── */
.footer-counter {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: var(--space-md) 0;
  margin-bottom: var(--space-md);
  border-top: 1px solid rgba(245,242,236,0.08);
  border-bottom: 1px solid rgba(245,242,236,0.08);
}

.fc-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: var(--space-sm) var(--space-md);
}

.fc-divider {
  width: 1px;
  height: 2.5rem;
  background: rgba(245,242,236,0.1);
  flex-shrink: 0;
}

.fc-num {
  font-family: var(--font-serif-en);
  font-size: clamp(1.5rem, 2.5vw, 2.2rem);
  font-weight: 400;
  letter-spacing: 0.04em;
  color: rgba(245,242,236,0.85);
  line-height: 1;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.3s ease;
}

.fc-label {
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  color: rgba(245,242,236,0.28);
  font-family: var(--font-sans);
  font-weight: 300;
  text-transform: uppercase;
}

/* online indicator pulse */
.fc-online { color: rgba(143,174,143,0.9); }

.fc-pulse {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #8FAE8F;
  position: relative;
  flex-shrink: 0;
}

.fc-pulse::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid #8FAE8F;
  animation: fcPulse 2s ease-out infinite;
}

@keyframes fcPulse {
  0%   { opacity: 0.8; transform: scale(1); }
  100% { opacity: 0;   transform: scale(2.4); }
}

/* digit roll animation */
@keyframes fcRoll {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fc-num.rolling { animation: fcRoll 0.5s ease both; }

@media (max-width: 600px) {
  .footer-counter { flex-wrap: wrap; }
  .fc-item { flex: 0 0 50%; border-bottom: 1px solid rgba(245,242,236,0.06); }
  .fc-divider { display: none; }
  .fc-item:nth-child(3), .fc-item:nth-child(7) { border-bottom: none; }
}

/* ── (end counter) ────────────────────────────────────────────── */

.footer-bottom {
  border-top: 1px solid rgba(245,242,236,0.08);
  padding-top: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer-bottom p {
  font-size: 0.72rem;
  color: rgba(245,242,236,0.25);
  font-family: var(--font-sans);
  font-weight: 300;
  letter-spacing: 0.03em;
}

/* ── Keyframes ────────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes rotateSlow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 0.8; transform: scaleY(1.1); }
}

@keyframes pulseRing {
  0%, 100% { transform: scale(1); opacity: var(--base-op, 0.12); }
  50% { transform: scale(1.04); opacity: calc(var(--base-op, 0.12) * 1.5); }
}

@keyframes breathExpand {
  from { transform: scale(1); }
  to { transform: scale(1.35); border-color: rgba(245,242,236,0.35); }
}

@keyframes breathHold {
  from, to { transform: scale(1.35); border-color: rgba(245,242,236,0.35); }
}

@keyframes breathShrink {
  from { transform: scale(1.35); border-color: rgba(245,242,236,0.35); }
  to { transform: scale(1); border-color: rgba(245,242,236,0.2); }
}

/* ── Scroll Reveal ────────────────────────────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal][data-delay="1"] { transition-delay: 0.1s; }
[data-reveal][data-delay="2"] { transition-delay: 0.2s; }
[data-reveal][data-delay="3"] { transition-delay: 0.3s; }
[data-reveal][data-delay="4"] { transition-delay: 0.4s; }
[data-reveal][data-delay="5"] { transition-delay: 0.5s; }

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 900px) {
  .nav-links, .nav-actions { display: none; }
  .hamburger { display: flex; }

  .about-grid { grid-template-columns: 1fr; }
  .about-visual { order: -1; }
  .ink-circle { width: 140px; height: 140px; }
  .ink-ring.r1 { width: 130px; height: 130px; }
  .ink-ring.r2 { width: 90px; height: 90px; }
  .ink-ring.r3 { width: 50px; height: 50px; }

  .insights-grid { grid-template-columns: 1fr; }
  .insight-card.featured { order: -1; }

  .classic-text-grid { grid-template-columns: 1fr; }

  .practice-grid { grid-template-columns: 1fr; }

  .community-grid { grid-template-columns: 1fr; gap: var(--space-md); }

  .lab-grid { grid-template-columns: 1fr; }

  .join-inner { grid-template-columns: 1fr; gap: var(--space-lg); }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }

  .footer-brand { grid-column: 1 / -1; }

  .archive-cta { flex-direction: column; align-items: flex-start; }

  .strip-grid { flex-direction: column; gap: 0; }
  .strip-divider { width: 100%; height: 1px; margin: 0; }
  .strip-item { padding: var(--space-md); }
}

@media (max-width: 600px) {
  :root {
    --space-lg: 1.75rem;
    --space-xl: 3rem;
  }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }

  .classics-tabs { overflow-x: auto; }
  .tab { white-space: nowrap; }

  .topics-list .topic-item { flex-wrap: wrap; }

  .breath-controls { flex-direction: column; }
  .breath-select { width: 100%; }
}

/* ── Language toggle ──────────────────────────────────────────── */
[data-lang="en"] [data-zh],
[data-lang="en"] .hero-quote-zh,
[data-lang="en"] .hero-source,
[data-lang="en"] .strip-zh,
[data-lang="en"] .ink-char,
[data-lang="en"] .classic-original {
  /* handled via JS */
}

/* ================================================================
   子页面 · Sub-page Styles (Insight Articles, Practice Guides…)
   ================================================================ */

/* ── Sub-page base ────────────────────────────────────────────── */
.subpage body { background: var(--paper); }

/* Force scrolled-style navbar on sub-pages */
.subpage-nav {
  background: rgba(245,242,236,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border-light);
}
.subpage-nav .nav-links a { color: var(--ink-mid); }
.subpage-nav .lang-toggle { color: var(--ink-mid); border-color: var(--border); }
.subpage-nav .ls-btn { color: var(--ink-light); }
.subpage-nav .ls-btn.active { color: var(--ink); }
.subpage-nav .btn-join { background: var(--ink); color: var(--paper); }
.subpage-nav .hamburger span { background: var(--ink); }

/* ── Article Hero ─────────────────────────────────────────────── */
.article-hero {
  padding: calc(80px + var(--space-xl)) 0 var(--space-xl);
  background: var(--paper);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-light);
}

.article-hero-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  position: relative;
  z-index: 1;
}

/* Huge decorative character */
.article-bg-char {
  position: absolute;
  right: -0.08em;
  top: 50%;
  transform: translateY(-50%);
  font-size: clamp(14rem, 22vw, 22rem);
  font-weight: 200;
  color: var(--paper-off);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  font-family: var(--font-serif-zh);
  z-index: 0;
}

/* Breadcrumb */
.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--ink-light);
  font-family: var(--font-sans);
  font-weight: 300;
  margin-bottom: var(--space-lg);
  letter-spacing: 0.04em;
}
.article-breadcrumb a { color: var(--ink-light); transition: color 0.2s; }
.article-breadcrumb a:hover { color: var(--ink); }
.article-breadcrumb .sep { opacity: 0.35; }

/* Category tag */
.article-cat {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--tea);
  border: 1px solid var(--tea-light);
  padding: 0.22rem 0.85rem;
  margin-bottom: 1.2rem;
}

.article-title-zh {
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  font-weight: 200;
  letter-spacing: 0.04em;
  line-height: 1.15;
  margin-bottom: 0.35rem;
}

.article-title-en {
  font-family: var(--font-serif-en);
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-style: italic;
  color: var(--ink-mid);
  font-weight: 400;
  margin-bottom: 1.8rem;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  font-size: 0.76rem;
  color: var(--ink-light);
  font-family: var(--font-sans);
  font-weight: 300;
  letter-spacing: 0.05em;
}
.article-meta-sep { opacity: 0.3; }

/* ── Article Body ─────────────────────────────────────────────── */
.article-body {
  max-width: 860px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
}

.article-lead {
  font-size: 1.08rem;
  color: var(--ink-mid);
  line-height: 2.1;
  margin-bottom: var(--space-xl);
  border-left: 2px solid var(--tea-light);
  padding-left: 1.5rem;
  font-style: italic;
}

.article-section {
  margin-bottom: var(--space-xl);
}

.article-h2 {
  font-size: 1.2rem;
  font-weight: 300;
  letter-spacing: 0.06em;
  margin-bottom: 1.2rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: baseline;
  gap: 1rem;
}
.article-h2 .sec-num {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: 0.78rem;
  color: var(--ink-light);
  flex-shrink: 0;
}

.article-p {
  font-size: 1rem;
  line-height: 2;
  color: var(--ink-mid);
  margin-bottom: 1.2rem;
}

.article-p:last-child { margin-bottom: 0; }

.article-em {
  font-weight: 400;
  color: var(--ink);
  border-bottom: 1px solid var(--border);
}

/* Block quote */
.article-quote {
  margin: var(--space-md) 0;
  padding: 1.6rem 2rem;
  background: var(--paper-off);
  border-left: 3px solid var(--tea);
  position: relative;
}

.article-quote-zh {
  font-size: 1.12rem;
  font-weight: 300;
  letter-spacing: 0.06em;
  margin-bottom: 0.55rem;
  line-height: 1.75;
}

.article-quote-en {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--ink-mid);
  line-height: 1.65;
  margin-bottom: 0.55rem;
}

.article-quote-source {
  font-size: 0.72rem;
  color: var(--ink-light);
  font-family: var(--font-sans);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* Pull-quote / highlight */
.article-pullquote {
  text-align: center;
  padding: var(--space-md) 0;
  margin: var(--space-md) 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}
.article-pullquote p {
  font-size: clamp(1.1rem, 2.2vw, 1.5rem);
  font-weight: 200;
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--ink);
}

/* Practice box */
.practice-box {
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(74,107,74,0.04), rgba(122,92,58,0.04));
  padding: 2rem;
  margin: var(--space-md) 0;
}

.practice-box-label {
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--bamboo);
  font-family: var(--font-sans);
  font-weight: 400;
  margin-bottom: 0.75rem;
}

.practice-box-title {
  font-size: 1.08rem;
  font-weight: 300;
  letter-spacing: 0.04em;
  margin-bottom: 0.6rem;
}

.practice-box-desc {
  font-size: 0.9rem;
  color: var(--ink-mid);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.practice-steps-list {
  list-style: none;
  counter-reset: ps;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.practice-steps-list li {
  counter-increment: ps;
  display: flex;
  gap: 1rem;
  font-size: 0.92rem;
  color: var(--ink-mid);
  font-family: var(--font-sans);
  line-height: 1.7;
}

.practice-steps-list li::before {
  content: counter(ps, decimal-leading-zero);
  font-family: var(--font-serif-en);
  font-style: italic;
  color: var(--bamboo);
  font-size: 0.82rem;
  flex-shrink: 0;
  padding-top: 0.05rem;
  min-width: 22px;
}

/* Journal Template box */
.template-box {
  background: var(--paper-off);
  border: 1px dashed var(--border);
  padding: 2rem;
  margin: var(--space-md) 0;
}

.template-box-label {
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-light);
  font-family: var(--font-sans);
  margin-bottom: 1.5rem;
}

.template-line {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  border-bottom: 1px solid var(--border-light);
  padding: 0.85rem 0;
}

.template-line:last-child { border-bottom: none; }

.template-prompt {
  flex-shrink: 0;
  font-size: 0.82rem;
  color: var(--ink-light);
  font-family: var(--font-sans);
  font-weight: 300;
  width: 140px;
  padding-top: 0.05rem;
  line-height: 1.5;
}

.template-blank {
  flex: 1;
  font-size: 0.88rem;
  color: var(--ink-light);
  font-style: italic;
  font-family: var(--font-serif-en);
  border-bottom: 1px solid var(--border-light);
  line-height: 2;
}

/* ── Guide-page specific ──────────────────────────────────────── */
.guide-framework {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border-light);
  border: 1px solid var(--border-light);
  margin: var(--space-md) 0;
}

.framework-item {
  background: var(--paper);
  padding: 1.5rem;
}

.framework-num {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: 2rem;
  font-weight: 400;
  color: var(--tea-light);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.framework-q {
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 0.04em;
  margin-bottom: 0.4rem;
  color: var(--ink);
}

.framework-hint {
  font-size: 0.82rem;
  color: var(--ink-light);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.6;
}

@media (max-width: 600px) {
  .guide-framework { grid-template-columns: 1fr; }
}

/* ── Philosophy page ──────────────────────────────────────────── */
.philosophy-principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-light);
  border: 1px solid var(--border-light);
  margin: var(--space-md) 0 var(--space-xl);
}

.principle-item {
  background: var(--paper);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.principle-num {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: 2rem;
  color: var(--tea-light);
  line-height: 1;
}

.principle-zh {
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 0.06em;
}

.principle-en {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: 0.85rem;
  color: var(--ink-light);
}

.principle-desc {
  font-size: 0.88rem;
  color: var(--ink-mid);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.7;
}

@media (max-width: 800px) {
  .philosophy-principles { grid-template-columns: 1fr; }
}

/* ── Contact page ─────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-lg);
}

.contact-item {
  padding: 2rem;
  border: 1px solid var(--border-light);
  background: var(--paper-off);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-item-icon {
  width: 36px;
  height: 36px;
  opacity: 0.4;
}

.contact-item-label {
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-family: var(--font-sans);
  color: var(--ink-light);
  font-weight: 300;
}

.contact-item-value {
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 0.04em;
}

.contact-item-desc {
  font-size: 0.85rem;
  color: var(--ink-mid);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.7;
}

@media (max-width: 700px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ── Related articles ─────────────────────────────────────────── */
.article-related {
  background: var(--paper-off);
  border-top: 1px solid var(--border-light);
  padding: var(--space-xl) 0;
}

.article-related-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.article-related-label {
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-light);
  font-family: var(--font-sans);
  font-weight: 300;
  margin-bottom: var(--space-md);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-md);
}

.related-card {
  background: var(--paper);
  border: 1px solid var(--border-light);
  padding: 1.75rem;
  display: block;
  transition: border-color var(--transition), transform var(--transition);
}

.related-card:hover {
  border-color: var(--border);
  transform: translateY(-3px);
}

.related-card-tag {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--tea);
  display: block;
  margin-bottom: 0.6rem;
  text-transform: uppercase;
}

.related-card-title {
  font-size: 1.12rem;
  font-weight: 300;
  letter-spacing: 0.04em;
  margin-bottom: 0.35rem;
}

.related-card-en {
  font-size: 0.82rem;
  color: var(--ink-light);
  font-family: var(--font-serif-en);
  font-style: italic;
  display: block;
  margin-bottom: 0.75rem;
}

.related-card-arrow {
  font-size: 0.8rem;
  color: var(--ink-light);
  font-family: var(--font-sans);
  font-weight: 300;
  letter-spacing: 0.05em;
  transition: color 0.2s;
}

.related-card:hover .related-card-arrow { color: var(--ink); }

/* ── Sub-page Join CTA strip ──────────────────────────────────── */
.subpage-cta {
  background: var(--ink);
  color: var(--paper);
  padding: var(--space-xl) 0;
  text-align: center;
}

.subpage-cta-inner {
  max-width: 600px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.subpage-cta h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 200;
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
}

.subpage-cta p {
  font-size: 0.92rem;
  color: rgba(245,242,236,0.55);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.btn-cta-light {
  display: inline-block;
  padding: 0.75rem 2.5rem;
  border: 1px solid rgba(245,242,236,0.35);
  background: rgba(245,242,236,0.07);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  transition: all var(--transition-fast);
}

.btn-cta-light:hover {
  background: rgba(245,242,236,0.14);
  border-color: rgba(245,242,236,0.6);
}

/* ── Page footer (sub-pages reuse .footer) ────────────────────── */
/* already defined for index.html, no changes needed */

/* ================================================================
   法律页面 · Legal Page Styles
   ================================================================ */

/* Hero variant: compact for legal pages */
.legal-hero {
  padding: calc(80px + var(--space-lg)) 0 var(--space-lg);
  background: var(--paper);
  border-bottom: 1px solid var(--border-light);
  position: relative;
  overflow: hidden;
}

.legal-hero-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  position: relative;
  z-index: 1;
}

.legal-bg-char {
  position: absolute;
  right: -0.05em;
  top: 50%;
  transform: translateY(-50%);
  font-size: clamp(10rem, 16vw, 16rem);
  font-weight: 200;
  color: var(--paper-off);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  font-family: var(--font-serif-zh);
  z-index: 0;
}

.legal-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-family: var(--font-sans);
  color: var(--ink-light);
  border: 1px solid var(--border);
  padding: 0.25rem 0.75rem;
  margin-bottom: 1rem;
  font-weight: 300;
}

.legal-badge .badge-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--tea-light);
  flex-shrink: 0;
}

.legal-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 200;
  letter-spacing: 0.04em;
  margin-bottom: 0.3rem;
}

.legal-subtitle {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: clamp(0.9rem, 1.6vw, 1.1rem);
  color: var(--ink-mid);
  margin-bottom: 1.2rem;
}

.legal-meta {
  font-size: 0.75rem;
  color: var(--ink-light);
  font-family: var(--font-sans);
  font-weight: 300;
  letter-spacing: 0.06em;
}

/* ── Legal body layout ────────────────────────────────────────── */
.legal-layout {
  max-width: 1060px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--space-xl);
  align-items: start;
}

@media (max-width: 800px) {
  .legal-layout { grid-template-columns: 1fr; }
  .legal-toc { display: none; }
}

/* Sticky table of contents sidebar */
.legal-toc {
  position: sticky;
  top: calc(80px + var(--space-md));
}

.legal-toc-title {
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-light);
  font-family: var(--font-sans);
  font-weight: 300;
  margin-bottom: 1rem;
}

.legal-toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
}

.legal-toc-list a {
  display: block;
  font-size: 0.8rem;
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--ink-light);
  padding: 0.4rem 0;
  border-left: 2px solid transparent;
  padding-left: 0.75rem;
  transition: all 0.2s;
  line-height: 1.4;
}

.legal-toc-list a:hover {
  color: var(--ink);
  border-left-color: var(--tea-light);
}

/* ── Legal content ────────────────────────────────────────────── */
.legal-content {
  min-width: 0;
}

.legal-lead {
  font-size: 1rem;
  color: var(--ink-mid);
  line-height: 2;
  margin-bottom: var(--space-xl);
  padding: 1.25rem 1.5rem;
  background: var(--paper-off);
  border-left: 3px solid var(--tea-light);
  font-family: var(--font-sans);
  font-weight: 300;
}

.legal-section {
  margin-bottom: var(--space-xl);
  scroll-margin-top: 100px;
}

.legal-h2 {
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
}

.legal-h2 .legal-num {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: 0.8rem;
  color: var(--ink-light);
  flex-shrink: 0;
}

.legal-p {
  font-size: 0.92rem;
  line-height: 1.95;
  color: var(--ink-mid);
  font-family: var(--font-sans);
  font-weight: 300;
  margin-bottom: 1rem;
}

.legal-p:last-child { margin-bottom: 0; }

.legal-p strong {
  font-weight: 400;
  color: var(--ink);
}

/* Definition list */
.legal-dl {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border-light);
  margin: var(--space-sm) 0;
}

.legal-dl-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  border-bottom: 1px solid var(--border-light);
}

.legal-dl-row:last-child { border-bottom: none; }

.legal-dt {
  padding: 0.85rem 1rem;
  background: var(--paper-off);
  font-size: 0.82rem;
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--ink);
  border-right: 1px solid var(--border-light);
  line-height: 1.6;
}

.legal-dd {
  padding: 0.85rem 1.25rem;
  font-size: 0.85rem;
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--ink-mid);
  line-height: 1.7;
}

/* Unordered list inside legal */
.legal-ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: var(--space-sm) 0;
}

.legal-ul li {
  font-size: 0.9rem;
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--ink-mid);
  line-height: 1.7;
  padding-left: 1.25rem;
  position: relative;
}

.legal-ul li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--tea-light);
  font-size: 1rem;
  line-height: 1.7;
}

/* Rights highlight box */
.legal-rights-box {
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(74,107,74,0.04), rgba(122,92,58,0.03));
  padding: 1.5rem;
  margin: var(--space-sm) 0;
}

.legal-rights-box-title {
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-family: var(--font-sans);
  color: var(--bamboo);
  margin-bottom: 0.85rem;
  font-weight: 400;
}

.legal-rights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.85rem;
}

.legal-right-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.legal-right-name {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--ink);
  font-family: var(--font-sans);
}

.legal-right-desc {
  font-size: 0.78rem;
  color: var(--ink-light);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.5;
}

/* Contact box inside legal */
.legal-contact-box {
  background: var(--ink);
  color: var(--paper);
  padding: 1.5rem;
  margin-top: var(--space-md);
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
  flex-wrap: wrap;
}

.legal-contact-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.legal-contact-label {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(245,242,236,0.4);
  font-family: var(--font-sans);
  font-weight: 300;
}

.legal-contact-value {
  font-size: 0.9rem;
  color: var(--paper);
  font-family: var(--font-sans);
  font-weight: 300;
}

/* Version badge at bottom */
.legal-version {
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-light);
  font-size: 0.75rem;
  color: var(--ink-light);
  font-family: var(--font-sans);
  font-weight: 300;
  letter-spacing: 0.04em;
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* GDPR flag / tag */
.gdpr-tag {
  display: inline-block;
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--paper);
  background: var(--tea);
  padding: 0.15rem 0.5rem;
  vertical-align: middle;
  margin-left: 0.4rem;
}

/* ================================================================
   典藏 · Archive Page
   ================================================================ */
.archive-hero {
  padding: calc(80px + var(--space-xl)) 0 var(--space-xl);
  background: var(--paper);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-light);
}
.archive-hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  position: relative;
  z-index: 1;
}
.archive-bg-char {
  position: absolute;
  top: 50%;
  right: 8%;
  transform: translateY(-50%);
  font-family: var(--font-serif-zh);
  font-size: clamp(6rem, 14vw, 12rem);
  font-weight: 200;
  color: var(--ink);
  opacity: 0.04;
  pointer-events: none;
  user-select: none;
  line-height: 1;
}
.archive-hero-title {
  font-family: var(--font-serif-zh);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 200;
  letter-spacing: 0.1em;
  color: var(--ink);
  margin-bottom: 0.3rem;
}
.archive-hero-en {
  font-family: var(--font-serif-en);
  font-size: 1rem;
  font-style: italic;
  color: var(--ink-light);
  margin-bottom: var(--space-sm);
}
.archive-hero-desc {
  font-size: 0.88rem;
  color: var(--ink-light);
  font-family: var(--font-sans);
  font-weight: 300;
  letter-spacing: 0.03em;
  max-width: 560px;
  line-height: 1.7;
}
.archive-stats {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-md);
  flex-wrap: wrap;
}
.archive-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.archive-stat-num {
  font-family: var(--font-serif-en);
  font-size: 1.4rem;
  color: var(--ink);
  font-weight: 400;
}
.archive-stat-label {
  font-size: 0.7rem;
  color: var(--ink-light);
  font-family: var(--font-sans);
  letter-spacing: 0.08em;
}

/* Archive page body */
.archive-page {
  padding: var(--space-xl) 0;
}
.archive-page .container {
  max-width: 1100px;
}

/* classic-tag badge on entry titles */
.classic-tag {
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--tea);
  background: rgba(122,92,58,0.08);
  padding: 0.12rem 0.45rem;
  vertical-align: middle;
  margin-left: 0.5rem;
}

@media (max-width: 640px) {
  .archive-stats { gap: var(--space-md); }
  .archive-stat-num { font-size: 1.15rem; }
}

/* ================================================================
   数字禅修 · Digital Zen Page  (digital-zen.html)
   ================================================================ */

.zen-page {
  min-height: 100vh;
  background: var(--ink);
  color: var(--paper);
  display: flex;
  flex-direction: column;
  position: relative;
  padding-top: 64px; /* nav height */
}

/* Immersive mode: fade nav during session */
body.zen-immersed #navbar {
  opacity: 0;
  pointer-events: none;
}
#navbar { transition: opacity 0.6s ease; }

/* ── User stats strip (top-right) */
.zen-user-stats {
  position: absolute;
  top: 80px;
  right: var(--space-lg);
  display: flex;
  gap: var(--space-lg);
  z-index: 1;
  transition: opacity 0.5s;
}
body.zen-immersed .zen-user-stats { opacity: 0; }

.zen-stat-item { text-align: center; }
.zen-stat-val {
  display: block;
  font-family: var(--font-serif-en);
  font-size: 1.15rem;
  color: rgba(245,242,236,0.35);
  line-height: 1;
}
.zen-stat-label {
  display: block;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: rgba(245,242,236,0.18);
  font-family: var(--font-sans);
  margin-top: 0.2rem;
}

/* ── Main arena */
.zen-arena {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-md) var(--space-xl);
}

/* ── Timer row */
.zen-timer-row {
  height: 1.4rem;
  display: flex;
  align-items: center;
}
.zen-timer {
  font-family: var(--font-serif-en);
  font-size: 0.88rem;
  letter-spacing: 0.18em;
  color: rgba(245,242,236,0.28);
}

/* ── Breathing circle (large) */
.zen-circle-wrap { display: flex; align-items: center; justify-content: center; }

.zen-circle {
  width: clamp(240px, 38vw, 320px);
  height: clamp(240px, 38vw, 320px);
  border-radius: 50%;
  border: 1px solid rgba(245,242,236,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
}

.zen-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(245,242,236,0.07);
}

.zen-circle.inhale .zen-ring {
  animation: breathExpand var(--phase-dur, 4s) ease-in-out forwards;
}
.zen-circle.hold .zen-ring {
  animation: breathHold var(--phase-dur, 4s) ease forwards;
}
.zen-circle.exhale .zen-ring {
  animation: breathShrink var(--phase-dur, 4s) ease-in-out forwards;
}

.zen-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  z-index: 1;
}
.zen-phase {
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  font-family: var(--font-sans);
  font-weight: 300;
  color: rgba(245,242,236,0.55);
}
.zen-count {
  font-family: var(--font-serif-en);
  font-size: clamp(2rem, 5vw, 2.8rem);
  color: rgba(245,242,236,0.3);
  font-weight: 400;
  line-height: 1;
}

/* ── Cycle dots */
.zen-cycles {
  display: flex;
  gap: 7px;
  min-height: 8px;
  align-items: center;
}
.zen-cycle-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(245,242,236,0.15);
  transition: background 0.4s;
}
.zen-cycle-dot.done { background: rgba(245,242,236,0.45); }

/* ── Idle controls */
.zen-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  width: min(340px, 90%);
}

.zen-select {
  width: 100%;
  padding: 0.6rem 1rem;
  background: rgba(245,242,236,0.04);
  border: 1px solid rgba(245,242,236,0.1);
  color: rgba(245,242,236,0.5);
  font-size: 0.78rem;
  font-family: var(--font-sans);
  appearance: none;
  cursor: pointer;
}
.zen-select:focus { outline: none; border-color: rgba(245,242,236,0.25); }

.zen-start-btn {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid rgba(245,242,236,0.22);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  background: rgba(245,242,236,0.05);
  transition: all var(--transition-fast);
}
.zen-start-btn:hover {
  background: rgba(245,242,236,0.1);
  border-color: rgba(245,242,236,0.45);
}

.zen-hint {
  font-size: 0.68rem;
  color: rgba(245,242,236,0.2);
  font-family: var(--font-sans);
  letter-spacing: 0.06em;
  text-align: center;
}

/* ── Running controls */
.zen-running-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}
.zen-stop-btn {
  padding: 0.5rem 2.5rem;
  border: 1px solid rgba(245,242,236,0.1);
  color: rgba(245,242,236,0.3);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  background: transparent;
  transition: all var(--transition-fast);
}
.zen-stop-btn:hover {
  border-color: rgba(245,242,236,0.35);
  color: rgba(245,242,236,0.75);
}

/* ── Completion overlay */
/* hidden attribute must win — display:flex here would override it and block all clicks */
.zen-complete[hidden] { display: none; }
.zen-complete {
  position: fixed;
  inset: 0;
  background: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: var(--space-lg) var(--space-md);
  overflow-y: auto;
  opacity: 0;
}
.zen-complete.visible { animation: zenFadeIn 0.7s ease forwards; }

@keyframes zenFadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.zen-complete-inner {
  max-width: 520px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.zen-complete-title {
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  color: rgba(245,242,236,0.3);
  font-family: var(--font-sans);
  text-align: center;
  text-transform: uppercase;
}

/* Stats row */
.zen-summary-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
}
.zen-summary-sep {
  color: rgba(245,242,236,0.12);
  font-size: 1.2rem;
  align-self: flex-start;
  margin-top: 0.4rem;
}
.zen-summary-item { text-align: center; }
.zen-summary-val {
  display: block;
  font-family: var(--font-serif-en);
  font-size: 1.9rem;
  color: rgba(245,242,236,0.75);
  font-weight: 400;
  line-height: 1;
  margin-bottom: 0.3rem;
}
.zen-summary-label {
  font-size: 0.62rem;
  color: rgba(245,242,236,0.28);
  font-family: var(--font-sans);
  letter-spacing: 0.12em;
}

/* Divider */
.zen-divider {
  width: 32px;
  height: 1px;
  background: rgba(245,242,236,0.08);
  margin: 0 auto;
}

/* Quote */
.zen-quote-block { text-align: center; }
.zen-quote-text {
  font-size: 0.95rem;
  font-weight: 300;
  color: rgba(245,242,236,0.65);
  line-height: 2;
  margin-bottom: 0.5rem;
}
.zen-quote-source {
  font-size: 0.68rem;
  color: rgba(245,242,236,0.25);
  font-family: var(--font-sans);
  letter-spacing: 0.1em;
}

/* Reflection */
.zen-reflect-block { display: flex; flex-direction: column; gap: 0.6rem; }
.zen-reflect-prompt {
  font-size: 0.78rem;
  color: rgba(245,242,236,0.35);
  font-family: var(--font-sans);
  letter-spacing: 0.05em;
}
.zen-reflect-input {
  width: 100%;
  background: rgba(245,242,236,0.03);
  border: 1px solid rgba(245,242,236,0.08);
  color: rgba(245,242,236,0.8);
  font-family: var(--font-serif-zh);
  font-size: 0.88rem;
  line-height: 1.75;
  padding: 0.75rem 1rem;
  resize: none;
  min-height: 72px;
  transition: border-color var(--transition-fast);
}
.zen-reflect-input::placeholder { color: rgba(245,242,236,0.15); }
.zen-reflect-input:focus {
  outline: none;
  border-color: rgba(245,242,236,0.2);
}
.zen-reflect-save {
  align-self: flex-end;
  padding: 0.4rem 1.4rem;
  border: 1px solid rgba(245,242,236,0.15);
  color: rgba(245,242,236,0.4);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  background: transparent;
  transition: all var(--transition-fast);
}
.zen-reflect-save:hover {
  border-color: rgba(245,242,236,0.35);
  color: rgba(245,242,236,0.85);
}
.zen-reflect-save:disabled { opacity: 0.5; cursor: default; }

/* Actions */
.zen-complete-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}
.zen-again-btn {
  padding: 0.65rem 2.2rem;
  border: 1px solid rgba(245,242,236,0.22);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  background: rgba(245,242,236,0.05);
  transition: all var(--transition-fast);
}
.zen-again-btn:hover { background: rgba(245,242,236,0.1); border-color: rgba(245,242,236,0.4); }
.zen-back-link {
  padding: 0.65rem 1.8rem;
  border: 1px solid rgba(245,242,236,0.08);
  color: rgba(245,242,236,0.3);
  font-family: var(--font-sans);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  display: inline-block;
  transition: all var(--transition-fast);
}
.zen-back-link:hover {
  border-color: rgba(245,242,236,0.22);
  color: rgba(245,242,236,0.6);
}

/* Responsive */
@media (max-width: 480px) {
  .zen-user-stats { right: var(--space-sm); gap: var(--space-md); }
  .zen-summary-val { font-size: 1.5rem; }
  .zen-quote-text { font-size: 0.88rem; }
  .zen-complete-inner { gap: var(--space-sm); }
}