/* ============================================
   PYE Landing Page — Design System
   Tone: Refined editorial + Eastern wisdom
   ============================================ */

:root {
  --ink: #0a1628;
  --ink-soft: #1a2d4a;
  --ink-muted: #4a5f7a;
  --cream: #f6f1e8;
  --cream-dark: #ebe4d6;
  --gold: #c4a035;
  --gold-light: #e8d48a;
  --gold-glow: rgba(196, 160, 53, 0.25);
  --teal: #1a4d4d;
  --teal-light: #2a6b6b;
  --white: #ffffff;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(10, 22, 40, 0.08);
  --shadow-lg: 0 20px 60px rgba(10, 22, 40, 0.15);
  --font-serif: "Noto Serif SC", "Songti SC", serif;
  --font-sans: "Outfit", "PingFang SC", "Microsoft YaHei", sans-serif;
  --header-h: 72px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --scrollbar-size: 8px;
  --scrollbar-track: rgba(10, 22, 40, 0.06);
  --scrollbar-thumb: rgba(196, 160, 53, 0.45);
  --scrollbar-thumb-hover: rgba(196, 160, 53, 0.72);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ---- Scrollbar (unified) ---- */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

*::-webkit-scrollbar {
  width: var(--scrollbar-size);
  height: var(--scrollbar-size);
}

*::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
  border-radius: 100px;
}

*::-webkit-scrollbar-thumb {
  background-color: var(--scrollbar-thumb);
  border-radius: 100px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

*::-webkit-scrollbar-thumb:hover {
  background-color: var(--scrollbar-thumb-hover);
}

*::-webkit-scrollbar-corner {
  background: var(--scrollbar-track);
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.container {
  width: min(1140px, 92vw);
  margin: 0 auto;
}

/* ---- Header ---- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(246, 241, 232, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(10, 22, 40, 0.06);
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 16px;
  min-width: 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--ink);
  min-width: 0;
  flex-shrink: 1;
}

.logo-img {
  height: 32px;
  width: auto;
  display: block;
  flex-shrink: 0;
  border-radius: 4px;
}

.logo-img--footer {
  height: 40px;
}

.logo-copy {
  display: inline-grid;
  gap: 2px;
  min-width: 0;
  max-width: 100%;
}

.logo-text {
  font-size: 0.85rem;
  font-weight: 500;
  opacity: 0.85;
  line-height: 1.3;
  white-space: nowrap;
  letter-spacing: 0.18em;
}

.logo-text-en {
  font-size: 0.5rem;
  font-weight: 400;
  opacity: 0.5;
  line-height: 1.2;
  letter-spacing: 0;
  white-space: nowrap;
  width: 0;
  min-width: 100%;
  text-align: justify;
  text-align-last: justify;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  flex-shrink: 0;
}

.nav-links li {
  flex-shrink: 0;
}

.nav-links a {
  text-decoration: none;
  color: var(--ink-muted);
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-cta {
  background: var(--ink);
  color: var(--cream) !important;
  padding: 8px 20px;
  border-radius: 100px;
  flex-shrink: 0;
}

.nav-cta:hover {
  background: var(--teal);
  color: var(--white) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  transition: var(--transition);
}

.nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 998;
  background: rgba(10, 22, 40, 0.42);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.nav-backdrop.is-visible {
  opacity: 1;
  pointer-events: auto;
}

body.nav-open {
  overflow: hidden;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 14px 32px;
  border-radius: 100px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--gold);
  color: var(--ink);
  border-color: var(--gold);
}

.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--gold-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--cream);
  border-color: rgba(255, 255, 255, 0.35);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--cream);
}

.btn-lg {
  padding: 18px 36px;
}

.btn-label {
  font-size: 0.75rem;
  font-weight: 400;
  opacity: 0.75;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.btn-value {
  font-size: 1.05rem;
}

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 60px) 0 80px;
  background: var(--ink);
  color: var(--cream);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.hero-orb--1 {
  width: 500px;
  height: 500px;
  background: var(--teal);
  opacity: 0.35;
  top: -10%;
  right: -5%;
}

.hero-orb--2 {
  width: 400px;
  height: 400px;
  background: var(--gold);
  opacity: 0.15;
  bottom: 10%;
  left: -8%;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black, transparent);
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-light);
  border: 1px solid rgba(196, 160, 53, 0.4);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.hero-title {
  margin-bottom: 24px;
}

.hero-title-en {
  display: block;
  font-family: var(--font-sans);
  font-size: clamp(0.85rem, 2vw, 1rem);
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(246, 241, 232, 0.5);
  margin-bottom: 12px;
}

.hero-title-zh {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 900;
  line-height: 1.15;
  background: linear-gradient(135deg, var(--cream) 0%, var(--gold-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-lead {
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  max-width: 640px;
  color: rgba(246, 241, 232, 0.75);
  margin-bottom: 48px;
  line-height: 1.85;
}

.hero-lead strong {
  color: var(--gold-light);
  font-weight: 600;
}

.hero-stats {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.stat-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 24px 32px;
  min-width: 140px;
  backdrop-filter: blur(8px);
}

.stat-num {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--gold);
  line-height: 1;
}

.stat-suffix {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gold);
}

.stat-label {
  display: block;
  font-size: 0.85rem;
  color: rgba(246, 241, 232, 0.6);
  margin-top: 8px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: rgba(246, 241, 232, 0.4);
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ---- Sections ---- */
.section {
  padding: 100px 0;
}

.section--light {
  background: var(--cream);
}

.section--dark {
  background: var(--ink);
  color: var(--cream);
}

.section--accent {
  background: linear-gradient(135deg, var(--teal) 0%, var(--ink-soft) 100%);
  color: var(--cream);
}

.section-head {
  margin-bottom: 64px;
  max-width: 680px;
}

.section-head--center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}

.section--dark .section-tag,
.section--accent .section-tag {
  color: var(--gold-light);
}

.section-head h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-head p {
  font-size: 1.05rem;
  color: var(--ink-muted);
  line-height: 1.8;
}

.section--dark .section-head p,
.section--accent .section-head p {
  color: rgba(246, 241, 232, 0.65);
}

/* ---- Pain Grid ---- */
.pain-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 48px;
}

.pain-card {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 44px 48px 40px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(10, 22, 40, 0.06);
  overflow: hidden;
}

.pain-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.pain-card h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.04em;
  color: var(--ink);
  margin-bottom: 36px;
}

.pain-card h3::after {
  content: "";
  display: block;
  width: 32px;
  height: 2px;
  margin: 14px auto 0;
  background: var(--gold);
  border-radius: 1px;
  opacity: 0.85;
}

.pain-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 56px;
  row-gap: 0;
  counter-reset: pain-item;
  list-style: none;
  padding: 0;
}

.pain-list li {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 0;
  margin-bottom: 0;
  counter-increment: pain-item;
  border-bottom: 1px solid rgba(10, 22, 40, 0.06);
  transition: border-color var(--transition);
}

.pain-list li:hover {
  border-bottom-color: rgba(196, 160, 53, 0.25);
}

.pain-list li::before {
  content: counter(pain-item, decimal-leading-zero);
  flex-shrink: 0;
  position: static;
  transform: none;
  width: auto;
  height: auto;
  line-height: 1;
  text-align: left;
  border-radius: 0;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-sans);
  letter-spacing: 0.06em;
  color: var(--gold);
  background: none;
  border: none;
  min-width: 1.6em;
}

.pain-list__text {
  flex: 1;
  min-width: 0;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--ink-muted);
  transition: color var(--transition);
}

.pain-list li:hover .pain-list__text {
  color: var(--ink-soft);
}

.pain-list__mark {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  color: #d63c3c;
  background: rgba(214, 60, 60, 0.1);
  border: 1px solid rgba(214, 60, 60, 0.22);
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.pain-list li:hover .pain-list__mark {
  color: #c42f2f;
  background: rgba(214, 60, 60, 0.16);
  border-color: rgba(214, 60, 60, 0.35);
  transform: none;
}

.quote-banner {
  text-align: center;
  padding: 40px;
  border-left: 4px solid var(--gold);
  background: var(--white);
  border-radius: 0 var(--radius) var(--radius) 0;
  box-shadow: var(--shadow);
}

.quote-banner p {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  color: var(--ink);
  margin-bottom: 12px;
}

.quote-banner strong {
  color: var(--gold);
}

.quote-banner cite {
  font-size: 0.9rem;
  color: var(--ink-muted);
  font-style: normal;
}

.quote-banner__sub {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid rgba(10, 22, 40, 0.08);
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2.4vw, 1.2rem);
  color: var(--ink-soft);
  margin-bottom: 0;
}

/* ---- Core Visual ---- */
.core-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 72px;
}

.core-center {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  box-shadow: 0 0 60px var(--gold-glow);
  margin-bottom: 40px;
  position: relative;
  z-index: 2;
}

.core-label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  opacity: 0.7;
}

.core-center strong {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 900;
}

.core-ring {
  text-align: center;
  width: 100%;
}

.core-ring > span {
  display: block;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--gold-light);
  margin-bottom: 24px;
}

.core-items {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.core-item {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 28px 20px 24px;
  text-align: center;
}

.core-letter-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 16px;
}

.core-item em {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 900;
  line-height: 1;
  font-style: normal;
  margin-bottom: 10px;
  background: linear-gradient(180deg, var(--gold-light) 0%, var(--gold) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.core-word-en {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-light);
  background: rgba(196, 160, 53, 0.1);
  border: 1px solid rgba(196, 160, 53, 0.28);
  border-radius: 100px;
  padding: 5px 14px 4px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.core-letter-block::after {
  content: "";
  display: block;
  width: 28px;
  height: 1px;
  margin-top: 14px;
  background: linear-gradient(90deg, transparent, rgba(196, 160, 53, 0.55), transparent);
}

.core-item-title {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 2px;
}

.core-item small {
  display: block;
  font-size: 0.8rem;
  opacity: 0.55;
  margin-top: 6px;
}

/* ---- Pillars ---- */
.pillars {
  margin-bottom: 72px;
}

.pillars-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  text-align: center;
  margin-bottom: 32px;
  color: var(--gold-light);
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pillar-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform var(--transition), border-color var(--transition);
}

.pillar-card:hover {
  transform: translateY(-4px);
  border-color: rgba(196, 160, 53, 0.3);
}

.pillar-num {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 900;
  color: rgba(196, 160, 53, 0.2);
  line-height: 1;
  margin-bottom: 12px;
}

.pillar-card h4 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: var(--gold-light);
}

.pillar-card p {
  font-size: 0.9rem;
  opacity: 0.7;
  line-height: 1.7;
}

/* ---- PBPF ---- */
.asset-section {
  margin-bottom: 72px;
}

.asset-intro {
  text-align: center;
  margin-bottom: 32px;
}

.asset-intro h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.asset-intro p {
  font-size: 0.95rem;
  opacity: 0.65;
}

.pbpf-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.pbpf-item {
  text-align: center;
  padding: 28px 16px;
  background: rgba(196, 160, 53, 0.08);
  border: 1px solid rgba(196, 160, 53, 0.2);
  border-radius: var(--radius);
  transition: background var(--transition);
}

.pbpf-item:hover {
  background: rgba(196, 160, 53, 0.15);
}

.pbpf-item strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--gold);
  margin-bottom: 4px;
}

.pbpf-item span {
  display: block;
  font-weight: 600;
  margin-bottom: 4px;
}

.pbpf-item small {
  font-size: 0.78rem;
  opacity: 0.55;
}

/* ---- Paths ---- */
.paths h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  text-align: center;
  margin-bottom: 40px;
}

.path-track {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}

.path-node {
  flex: 1;
  max-width: 240px;
  text-align: center;
}

.path-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 4px 20px var(--gold-glow);
}

.path-node h4 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--gold-light);
}

.path-node p {
  font-size: 0.85rem;
  opacity: 0.65;
  line-height: 1.6;
}

.path-connector {
  flex: 0 0 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), rgba(196, 160, 53, 0.2));
  margin-top: 32px;
}

/* ---- TCPS ---- */
.tcps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 56px;
}

.tcps-text h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  margin-bottom: 16px;
}

.tcps-text p {
  font-size: 0.95rem;
  opacity: 0.75;
  line-height: 1.8;
}

.tcps-loop {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.tcps-step {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.tcps-step::before {
  content: attr(data-step);
  position: absolute;
  top: 8px;
  right: 12px;
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 900;
  opacity: 0.08;
}

.tcps-step:hover {
  background: rgba(196, 160, 53, 0.15);
  border-color: var(--gold);
  transform: scale(1.03);
}

.tcps-step span {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.tcps-step small {
  font-size: 0.8rem;
  opacity: 0.6;
}

.ratio-bar {
  max-width: 600px;
  margin: 0 auto;
}

.ratio-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.ratio-label span {
  font-weight: 700;
  color: var(--gold-light);
}

.ratio-track {
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 100px;
  margin-bottom: 20px;
  overflow: hidden;
}

.ratio-fill {
  height: 100%;
  border-radius: 100px;
  transition: width 1.2s ease;
}

.ratio-fill--theory {
  width: 30%;
  background: var(--gold-light);
}

.ratio-fill--practice {
  width: 70%;
  background: var(--gold);
}

.ratio-note {
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.6;
  margin-top: 8px;
}

/* ---- Course Fit ---- */
.course-fit {
  margin-bottom: 48px;
  padding: 32px 40px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(10, 22, 40, 0.06);
  box-shadow: var(--shadow);
}

.course-fit__lead {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  text-align: center;
  color: var(--ink);
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

.course-fit__lead::after {
  content: "";
  display: block;
  width: 28px;
  height: 2px;
  margin: 12px auto 0;
  background: var(--gold);
  border-radius: 1px;
  opacity: 0.85;
}

.course-fit__list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  list-style: none;
  padding: 0;
  counter-reset: course-fit;
}

.course-fit__list li {
  position: relative;
  padding: 16px 14px 16px 36px;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--ink-muted);
  background: var(--cream);
  border-radius: var(--radius);
  border: 1px solid rgba(10, 22, 40, 0.05);
  counter-increment: course-fit;
  transition: color var(--transition), border-color var(--transition);
}

.course-fit__list li:hover {
  color: var(--ink-soft);
  border-color: rgba(196, 160, 53, 0.25);
}

.course-fit__list li::before {
  content: counter(course-fit);
  position: absolute;
  left: 12px;
  top: 16px;
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-sans);
  color: var(--gold);
  line-height: 1.55;
}

/* ---- Course Timeline ---- */
.course-timeline {
  display: flex;
  align-items: stretch;
  gap: 12px;
  margin-bottom: 48px;
}

.course-card {
  flex: 1;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(10, 22, 40, 0.06);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.course-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--ink-muted);
  opacity: 0.3;
}

.course-card[data-level="1"]::before { background: #6b8f71; }
.course-card[data-level="2"]::before { background: var(--teal-light); }
.course-card[data-level="3"]::before { background: var(--gold); }

.course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.course-card--featured {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--gold);
  box-shadow: 0 20px 60px rgba(10, 22, 40, 0.25);
}

.course-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(10, 22, 40, 0.06);
  color: var(--ink-muted);
  margin-bottom: 20px;
  align-self: flex-start;
}

.course-card--featured .course-badge {
  background: rgba(196, 160, 53, 0.2);
  color: var(--gold-light);
}

.course-badge--gold {
  background: var(--gold) !important;
  color: var(--ink) !important;
}

.course-code {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--gold);
  line-height: 1;
}

.course-header h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin: 8px 0 4px;
}

.course-sub {
  font-size: 0.75rem;
  opacity: 0.5;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.course-question {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--gold);
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px dashed rgba(10, 22, 40, 0.1);
}

.course-card--featured .course-question {
  border-color: rgba(255, 255, 255, 0.15);
}

.course-modules {
  list-style: none;
  flex: 1;
  margin-bottom: 20px;
}

.course-modules li {
  font-size: 0.85rem;
  padding: 6px 0;
  padding-left: 16px;
  position: relative;
  opacity: 0.8;
}

.course-modules li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}

.course-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.78rem;
  opacity: 0.55;
  padding-top: 16px;
  border-top: 1px solid rgba(10, 22, 40, 0.06);
}

.course-card--featured .course-meta {
  border-color: rgba(255, 255, 255, 0.1);
}

.timeline-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  opacity: 0.6;
  flex-shrink: 0;
}

.deliverable {
  display: flex;
  gap: 24px;
  align-items: center;
  background: linear-gradient(135deg, var(--ink) 0%, var(--ink-soft) 100%);
  color: var(--cream);
  padding: 32px 40px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(196, 160, 53, 0.2);
}

.deliverable-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(196, 160, 53, 0.12);
  border: 1px solid rgba(196, 160, 53, 0.25);
  border-radius: 14px;
  color: var(--gold-light);
}

.deliverable h4 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--gold-light);
}

.deliverable p {
  font-size: 0.9rem;
  opacity: 0.75;
  line-height: 1.7;
}

/* ---- Features ---- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}

.feature-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color var(--transition);
}

.feature-card:hover {
  border-color: rgba(196, 160, 53, 0.3);
}

.feature-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  background: rgba(196, 160, 53, 0.1);
  border: 1px solid rgba(196, 160, 53, 0.2);
  border-radius: 14px;
  color: var(--gold-light);
  transition: background var(--transition), border-color var(--transition);
}

.feature-card:hover .feature-icon {
  background: rgba(196, 160, 53, 0.18);
  border-color: rgba(196, 160, 53, 0.4);
}

.feature-card h4 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: var(--gold-light);
}

.feature-card p {
  font-size: 0.9rem;
  opacity: 0.7;
  line-height: 1.7;
}

.vision-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  padding: 48px;
  background: rgba(196, 160, 53, 0.08);
  border: 1px solid rgba(196, 160, 53, 0.2);
  border-radius: var(--radius-lg);
}

.vision-item {
  text-align: center;
}

.vision-item strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--gold);
  line-height: 1.1;
}

.vision-item span {
  font-size: 0.9rem;
  opacity: 0.65;
}

.vision-divider {
  width: 1px;
  height: 60px;
  background: rgba(196, 160, 53, 0.3);
}

/* ---- Service & Cooperate ---- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  border-top: 3px solid var(--gold);
}

.service-card__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.service-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(196, 160, 53, 0.1);
  border: 1px solid rgba(196, 160, 53, 0.2);
  border-radius: 10px;
  color: var(--gold);
}

.service-card h4 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin-bottom: 0;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--ink-muted);
  line-height: 1.7;
}

.coop-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(10, 22, 40, 0.06);
}

.coop-box h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  margin-bottom: 32px;
  text-align: center;
}

.coop-details {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.coop-col h5 {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}

.coop-col ul {
  list-style: none;
}

.coop-col li {
  font-size: 0.9rem;
  color: var(--ink-muted);
  padding: 6px 0;
  padding-left: 22px;
  position: relative;
}

.coop-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 14px;
  height: 14px;
  background-color: var(--teal-light);
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M3.5 8.5l2.5 2.5 6.5-6.5' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  mask-size: contain;
  mask-repeat: no-repeat;
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M3.5 8.5l2.5 2.5 6.5-6.5' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  -webkit-mask-size: contain;
  -webkit-mask-repeat: no-repeat;
}

.coop-col--highlight {
  background: var(--ink);
  color: var(--cream);
  padding: 28px;
  border-radius: var(--radius);
  text-align: center;
}

.coop-col--highlight h5 {
  color: var(--gold-light);
}

.region {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 12px 0;
}

.coop-price {
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.coop-price strong {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: var(--gold);
}

.coop-capacity {
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.coop-capacity strong {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--gold);
}

.coop-col--highlight small {
  font-size: 0.78rem;
  opacity: 0.55;
}

/* ---- A&Q FAQ ---- */
.section--faq {
  background: linear-gradient(180deg, var(--cream) 0%, var(--cream-dark) 100%);
  position: relative;
}

.section--faq::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 40% at 10% 20%, rgba(196, 160, 53, 0.06), transparent),
    radial-gradient(ellipse 40% 30% at 90% 80%, rgba(26, 77, 77, 0.05), transparent);
  pointer-events: none;
}

.faq-root {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin: 0 auto;
}

.faq-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 32px;
}

.faq-tab {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 100px;
  border: 1px solid rgba(10, 22, 40, 0.1);
  background: var(--white);
  color: var(--ink-muted);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.faq-tab:hover {
  border-color: rgba(196, 160, 53, 0.35);
  color: var(--ink);
}

.faq-tab.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--gold-light);
  box-shadow: 0 4px 16px rgba(10, 22, 40, 0.15);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  background: var(--white);
  border: 1px solid rgba(10, 22, 40, 0.07);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(10, 22, 40, 0.04);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.faq-item:hover {
  border-color: rgba(196, 160, 53, 0.2);
}

.faq-item[open] {
  border-color: rgba(196, 160, 53, 0.35);
  box-shadow: 0 8px 28px rgba(10, 22, 40, 0.08);
}

.faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px 22px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.faq-item__q::-webkit-details-marker {
  display: none;
}

.faq-item__num {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--gold);
  opacity: 0.7;
  flex-shrink: 0;
  line-height: 1.6;
  min-width: 24px;
}

.faq-item__text {
  flex: 1;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.6;
  text-align: left;
}

.faq-item__icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 22, 40, 0.04);
  border-radius: 50%;
  color: var(--ink-muted);
  transition: transform var(--transition), background var(--transition), color var(--transition);
  margin-top: 2px;
}

.faq-item[open] .faq-item__icon {
  transform: rotate(180deg);
  background: rgba(196, 160, 53, 0.12);
  color: var(--gold);
}

.icon--faq {
  width: 16px;
  height: 16px;
}

.faq-item__a {
  padding: 0 22px 20px 60px;
  animation: faqSlide 0.3s ease;
}

.faq-item__a p {
  font-size: 0.9rem;
  color: var(--ink-muted);
  line-height: 1.85;
  margin: 0;
  border-top: 1px solid rgba(10, 22, 40, 0.06);
  padding-top: 16px;
}

@keyframes faqSlide {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.faq-empty {
  text-align: center;
  color: var(--ink-muted);
  padding: 40px;
  font-size: 0.9rem;
}

/* ---- Mentors ---- */
.section--mentors {
  background: var(--white);
  position: relative;
}

.section--mentors::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 45% 35% at 85% 15%, rgba(196, 160, 53, 0.07), transparent),
    radial-gradient(ellipse 40% 30% at 10% 85%, rgba(26, 77, 77, 0.05), transparent);
  pointer-events: none;
}

.mentors-root {
  position: relative;
  z-index: 1;
  max-width: 960px;
  margin: 0 auto;
}

.mentor-chief {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 36px;
  align-items: start;
  padding: 36px;
  background: linear-gradient(135deg, var(--ink) 0%, var(--ink-soft) 100%);
  border-radius: var(--radius-lg);
  color: var(--cream);
  margin-bottom: 48px;
  box-shadow: var(--shadow-lg);
}

.mentor-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(196, 160, 53, 0.25), rgba(196, 160, 53, 0.08));
  border: 2px solid rgba(196, 160, 53, 0.35);
  color: var(--gold-light);
  font-family: var(--font-serif);
  font-weight: 700;
  flex-shrink: 0;
  overflow: hidden;
}

.mentor-avatar--chief {
  width: 160px;
  height: 160px;
  font-size: 3.5rem;
}

.mentor-avatar--card {
  width: 72px;
  height: 72px;
  font-size: 1.6rem;
  margin: 0 auto 16px;
}

.mentor-avatar--item {
  width: 40px;
  height: 40px;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.mentor-avatar--img {
  object-fit: cover;
  border: none;
  background: none;
}

.mentor-chief__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}

.mentor-chief__name {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.mentor-chief__title {
  font-size: 0.92rem;
  color: rgba(246, 241, 232, 0.75);
  margin-bottom: 16px;
}

.mentor-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.mentor-tag {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(196, 160, 53, 0.15);
  color: var(--gold-light);
  border: 1px solid rgba(196, 160, 53, 0.25);
}

.mentor-chief .mentor-tag {
  background: rgba(196, 160, 53, 0.12);
}

.mentor-chief__bio p {
  font-size: 0.9rem;
  line-height: 1.85;
  color: rgba(246, 241, 232, 0.82);
  margin-bottom: 12px;
}

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

.mentor-chief__quote {
  margin-top: 20px;
  padding: 16px 20px;
  border-left: 3px solid var(--gold);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.mentor-chief__quote p {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-style: italic;
  color: var(--gold-light);
  margin: 0;
  line-height: 1.7;
}

.mentor-subhead {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 24px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.mentor-subhead__count {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--ink-muted);
}

.mentor-core {
  margin-bottom: 48px;
}

.mentor-core__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.mentor-card {
  padding: 24px 20px;
  background: var(--cream);
  border: 1px solid rgba(10, 22, 40, 0.07);
  border-radius: var(--radius);
  text-align: center;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.mentor-card:hover {
  border-color: rgba(196, 160, 53, 0.25);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.mentor-card .mentor-tag {
  background: rgba(196, 160, 53, 0.1);
  color: var(--gold);
  border-color: rgba(196, 160, 53, 0.2);
}

.mentor-card__name {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.mentor-card__title {
  font-size: 0.78rem;
  color: var(--ink-muted);
  line-height: 1.5;
  margin-bottom: 12px;
}

.mentor-card__summary {
  font-size: 0.82rem;
  color: var(--ink-muted);
  line-height: 1.7;
  text-align: left;
  margin-top: 12px;
}

.mentor-card__bio {
  font-size: 0.82rem;
  color: var(--ink-muted);
  line-height: 1.75;
  text-align: left;
  margin-top: 12px;
}

.mentor-card__bio p {
  margin: 0 0 10px;
}

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

.mentor-card__bio--collapsible .mentor-card__bio-more[hidden] {
  display: none;
}

.mentor-card__bio-toggle {
  display: inline-flex;
  align-items: center;
  margin-top: 4px;
  padding: 0;
  border: none;
  background: none;
  color: var(--teal);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.mentor-card__bio-toggle:hover,
.mentor-card__bio-toggle:focus-visible {
  color: var(--ink);
}

.mentor-groups {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mentor-group {
  background: var(--cream);
  border: 1px solid rgba(10, 22, 40, 0.07);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.mentor-group:hover {
  border-color: rgba(196, 160, 53, 0.2);
}

.mentor-group[open] {
  border-color: rgba(196, 160, 53, 0.35);
  box-shadow: 0 8px 28px rgba(10, 22, 40, 0.08);
}

.mentor-group__q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 22px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.mentor-group__q::-webkit-details-marker {
  display: none;
}

.mentor-group__label {
  flex: 1;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
}

.mentor-group__meta {
  font-size: 0.78rem;
  color: var(--ink-muted);
}

.mentor-group__icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 22, 40, 0.04);
  border-radius: 50%;
  color: var(--ink-muted);
  transition: transform var(--transition), background var(--transition), color var(--transition);
}

.mentor-group[open] .mentor-group__icon {
  transform: rotate(180deg);
  background: rgba(196, 160, 53, 0.12);
  color: var(--gold);
}

.mentor-group__list {
  padding: 0 12px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mentor-item {
  background: var(--white);
  border: 1px solid rgba(10, 22, 40, 0.06);
  border-radius: calc(var(--radius) - 2px);
  overflow: hidden;
}

.mentor-item[open] {
  border-color: rgba(196, 160, 53, 0.25);
}

.mentor-item__q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

.mentor-item__q::-webkit-details-marker {
  display: none;
}

.mentor-item__name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink);
  flex-shrink: 0;
}

.mentor-item__role {
  flex: 1;
  font-size: 0.8rem;
  color: var(--ink-muted);
  text-align: left;
}

.mentor-item__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-muted);
  transition: transform var(--transition), color var(--transition);
}

.mentor-item[open] .mentor-item__icon {
  transform: rotate(180deg);
  color: var(--gold);
}

.icon--mentor {
  width: 14px;
  height: 14px;
}

.mentor-item__a {
  padding: 12px 16px 14px 56px;
  animation: faqSlide 0.3s ease;
  border-top: 1px solid rgba(10, 22, 40, 0.06);
}

.mentor-item__a p {
  font-size: 0.85rem;
  color: var(--ink-muted);
  line-height: 1.8;
  margin: 0 0 10px;
}

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

/* ---- Mentor share ---- */
.mentor-chief__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-top: 20px;
}

.mentor-share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid rgba(196, 160, 53, 0.35);
  border-radius: 999px;
  background: rgba(196, 160, 53, 0.08);
  color: var(--gold-light);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.mentor-share-btn:hover {
  background: rgba(196, 160, 53, 0.18);
  border-color: rgba(196, 160, 53, 0.55);
  color: var(--cream);
}

.mentor-share-btn .icon--share {
  width: 16px;
  height: 16px;
}

.mentor-share-btn--card {
  margin-top: 16px;
  border-color: rgba(26, 77, 77, 0.2);
  background: rgba(26, 77, 77, 0.06);
  color: var(--teal);
}

.mentor-share-btn--card:hover {
  background: rgba(26, 77, 77, 0.12);
  border-color: rgba(26, 77, 77, 0.35);
  color: var(--ink);
}

.mentor-share-btn--item {
  margin-top: 12px;
  border-color: rgba(26, 77, 77, 0.2);
  background: rgba(26, 77, 77, 0.05);
  color: var(--teal);
}

.mentor-share-btn--item:hover {
  background: rgba(26, 77, 77, 0.1);
  color: var(--ink);
}

.mentor-share-modal[hidden] {
  display: none;
}

.mentor-share-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}

.mentor-share-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 22, 40, 0.65);
  backdrop-filter: blur(4px);
}

.mentor-share-modal__panel {
  position: relative;
  width: min(420px, 100%);
  max-height: min(90vh, 820px);
  overflow-y: auto;
  padding: 28px 24px 24px;
  background: var(--cream);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.mentor-share-modal__close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  background: rgba(10, 22, 40, 0.06);
  color: var(--ink-muted);
  cursor: pointer;
}

.mentor-share-modal__close:hover {
  background: rgba(10, 22, 40, 0.1);
  color: var(--ink);
}

.mentor-share-modal__title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin-bottom: 20px;
  padding-right: 32px;
}

.mentor-share-modal__preview {
  margin-bottom: 20px;
}

.mentor-share-modal__actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mentor-share-modal__btn {
  width: 100%;
  justify-content: center;
}

/* .btn { display: inline-flex } overrides the [hidden] UA rule */
.mentor-share-modal__btn[hidden] {
  display: none !important;
}

.mentor-share-modal__btn.btn-ghost {
  color: var(--ink);
  border-color: rgba(10, 22, 40, 0.2);
}

.mentor-share-modal__btn.btn-ghost:hover {
  background: rgba(10, 22, 40, 0.06);
  border-color: rgba(10, 22, 40, 0.35);
  color: var(--ink);
}

.mentor-share-modal__hint {
  margin-top: 14px;
  font-size: 0.78rem;
  color: var(--ink-muted);
  text-align: center;
  line-height: 1.6;
}

body.mentor-share-open {
  overflow: hidden;
}

.mentor-share-card {
  padding: 28px 24px;
  background: linear-gradient(135deg, var(--ink) 0%, var(--ink-soft) 100%);
  border-radius: var(--radius-lg);
  color: var(--cream);
  text-align: center;
  border: 1px solid rgba(196, 160, 53, 0.2);
}

.mentor-share-card__brand {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 10px;
  margin-bottom: 20px;
}

.mentor-share-card__brand-en {
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.08em;
}

.mentor-share-card__brand-zh {
  font-size: 0.82rem;
  color: rgba(246, 241, 232, 0.65);
}

.mentor-share-card__avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  border: 2px solid rgba(196, 160, 53, 0.4);
  display: block;
}

.mentor-share-card__avatar-link {
  display: block;
  width: 96px;
  margin: 0 auto 16px;
  border-radius: 50%;
  line-height: 0;
  text-decoration: none;
}

.mentor-share-card__avatar-link .mentor-share-card__avatar {
  margin-bottom: 0;
}

.mentor-share-card__avatar-link:hover .mentor-share-card__avatar,
.mentor-share-card__avatar-link:focus-visible .mentor-share-card__avatar {
  border-color: var(--gold-light);
  box-shadow: 0 0 0 3px rgba(196, 160, 53, 0.25);
}

.mentor-share-card__avatar--initial {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(196, 160, 53, 0.15);
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold-light);
}

.mentor-share-card__tier {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}

.mentor-share-card__name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.mentor-share-card__title {
  font-size: 0.88rem;
  color: rgba(246, 241, 232, 0.75);
  margin-bottom: 14px;
  line-height: 1.5;
}

.mentor-share-card__company {
  color: var(--gold-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.mentor-share-card__company:hover,
.mentor-share-card__company:focus-visible {
  color: var(--gold);
}

.mentor-share-card__tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  margin-bottom: 14px;
}

.mentor-share-card__tags span {
  font-size: 0.72rem;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(196, 160, 53, 0.12);
  color: var(--gold-light);
  border: 1px solid rgba(196, 160, 53, 0.25);
}

.mentor-share-card__bio {
  font-size: 0.82rem;
  color: rgba(246, 241, 232, 0.65);
  line-height: 1.7;
  text-align: left;
  margin-bottom: 16px;
}

.mentor-share-card__footer {
  padding-top: 14px;
  border-top: 1px solid rgba(196, 160, 53, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.mentor-share-card__qr {
  padding: 6px;
  background: #fff;
  border-radius: 8px;
  line-height: 0;
}

.mentor-share-card__qr-img {
  display: block;
  width: 88px;
  height: 88px;
}

.mentor-share-card__url {
  font-size: 0.75rem;
  color: rgba(246, 241, 232, 0.45);
}

.mentor-share-toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  padding: 12px 20px;
  background: var(--ink);
  color: var(--cream);
  border-radius: 999px;
  font-size: 0.88rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 1100;
}

.mentor-share-toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.mentor-share-save-overlay[hidden] {
  display: none;
}

.mentor-share-save-overlay {
  position: fixed;
  inset: 0;
  z-index: 1100;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 16px;
}

.mentor-share-save-overlay__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 22, 40, 0.82);
  backdrop-filter: blur(4px);
}

.mentor-share-save-overlay__panel {
  position: relative;
  width: min(420px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  padding: 20px 18px 24px;
  background: var(--cream);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  box-shadow: var(--shadow-lg);
}

.mentor-share-save-overlay__close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  background: rgba(10, 22, 40, 0.06);
  color: var(--ink-muted);
  cursor: pointer;
}

.mentor-share-save-overlay__title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 14px;
  padding-right: 28px;
}

.mentor-share-save-overlay__frame {
  padding: 8px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.mentor-share-save-overlay__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius) - 4px);
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: default;
}

.mentor-share-save-overlay__hint {
  margin-top: 14px;
  font-size: 0.82rem;
  color: var(--ink-muted);
  text-align: center;
  line-height: 1.6;
}

body.mentor-share-save-open {
  overflow: hidden;
}

.mentor-card-page .mentor-card-main {
  min-height: calc(100vh - var(--header-h) - 120px);
  padding: 48px 0 80px;
}

.mentor-card-main__inner {
  max-width: 480px;
}

.mentor-card-page__preview {
  max-width: 372px;
  margin-left: auto;
  margin-right: auto;
}

.mentor-card-page__back {
  display: inline-block;
  margin-bottom: 24px;
  font-size: 0.9rem;
  color: var(--ink-muted);
  text-decoration: none;
}

.mentor-card-page__back:hover {
  color: var(--ink);
}

.mentor-card-page__actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 24px;
}

.mentor-card-page__actions .btn {
  justify-content: center;
  text-align: center;
}

.mentor-card-page__more {
  margin-top: 20px;
  text-align: center;
  font-size: 0.9rem;
}

.mentor-card-page__more a {
  color: var(--teal);
}

.mentor-card-page__empty {
  text-align: center;
  padding: 60px 0;
}

.mentor-card-page__empty h1 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.mentor-card-page__empty p {
  color: var(--ink-muted);
  margin-bottom: 24px;
}

.mentor-share-card--page {
  box-shadow: var(--shadow-lg);
}

/* ---- CTA ---- */
.cta-section {
  background: var(--ink);
  color: var(--cream);
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 100%, rgba(196, 160, 53, 0.12), transparent);
  pointer-events: none;
}

.cta-inner {
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-inner h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4.5vw, 2.8rem);
  line-height: 1.35;
  margin-bottom: 20px;
}

.cta-inner > p {
  max-width: 560px;
  margin: 0 auto 40px;
  opacity: 0.65;
  font-size: 1rem;
  line-height: 1.8;
}

.cta-founder {
  margin-bottom: 40px;
}

.founder-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.founder-info strong {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--gold-light);
}

.founder-info span {
  font-size: 0.85rem;
  opacity: 0.55;
}

/* ---- Contact Panel ---- */
.contact-panel {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
  max-width: 960px;
  margin: 0 auto;
  text-align: left;
}

.contact-panel__title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--gold-light);
  margin-bottom: 16px;
  letter-spacing: 0.06em;
}

.contact-direct {
  display: flex;
  flex-direction: column;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.contact-channel {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--cream);
  transition: all var(--transition);
}

.contact-channel:hover {
  background: rgba(196, 160, 53, 0.08);
  border-color: rgba(196, 160, 53, 0.25);
  transform: translateX(4px);
}

.contact-channel__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(196, 160, 53, 0.12);
  border: 1px solid rgba(196, 160, 53, 0.2);
  border-radius: 12px;
  color: var(--gold-light);
  flex-shrink: 0;
}

.contact-channel__body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.contact-channel__label {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.5;
}

.contact-channel__value {
  font-size: 0.95rem;
  font-weight: 500;
  word-break: break-all;
}

.contact-channel__arrow {
  color: var(--gold);
  opacity: 0.4;
  transition: opacity var(--transition), transform var(--transition);
  flex-shrink: 0;
}

.contact-channel:hover .contact-channel__arrow {
  opacity: 1;
  transform: translateX(3px);
}

.contact-qr {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(12px);
}

.contact-qr__head {
  margin-bottom: 24px;
}

.contact-qr__head p {
  font-size: 0.85rem;
  opacity: 0.5;
  margin: 0;
}

.qr-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.qr-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.qr-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--qr-accent);
  opacity: 0.8;
}

.qr-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.qr-card--douyin { --qr-accent: linear-gradient(90deg, #25f4ee, #fe2c55); }
.qr-card--shipinhao { --qr-accent: linear-gradient(90deg, #fa9d3b, #ff6034); }
.qr-card--wechat { --qr-accent: linear-gradient(90deg, #07c160, #2aae67); }

.qr-card--douyin::before { background: linear-gradient(90deg, #25f4ee, #fe2c55); }
.qr-card--shipinhao::before { background: linear-gradient(90deg, #fa9d3b, #ff6034); }
.qr-card--wechat::before { background: linear-gradient(90deg, #07c160, #2aae67); }

.qr-card__top {
  display: flex;
  align-items: center;
  gap: 10px;
}

.qr-card__badge {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  flex-shrink: 0;
}

.qr-card--douyin .qr-card__badge {
  background: rgba(37, 244, 238, 0.1);
  color: #25f4ee;
  border: 1px solid rgba(37, 244, 238, 0.2);
}

.qr-card--shipinhao .qr-card__badge {
  background: rgba(250, 157, 59, 0.12);
  color: #fa9d3b;
  border: 1px solid rgba(250, 157, 59, 0.25);
}

.qr-card--wechat .qr-card__badge {
  background: rgba(7, 193, 96, 0.12);
  color: #07c160;
  border: 1px solid rgba(7, 193, 96, 0.25);
}

.qr-card__meta {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.qr-card__platform {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.55;
}

.qr-card__handle {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--cream);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.qr-card__frame {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  padding: 6px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  aspect-ratio: 1;
}

.qr-card__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 10px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  pointer-events: none;
}

.qr-card__frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 6px;
  display: block;
  background: #fff;
}

.qr-scroll-wrap {
  position: relative;
}

.qr-scroll-hint {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 0.72rem;
  opacity: 0.4;
  margin: 12px 0 0;
  text-align: center;
}

.icon--hint {
  width: 16px;
  height: 16px;
  opacity: 0.7;
}

.qr-card__hint {
  font-size: 0.72rem;
  line-height: 1.5;
  opacity: 0.45;
  text-align: center;
  margin: 0;
}

.icon--sm {
  width: 18px;
  height: 18px;
}

.icon--platform {
  width: 20px;
  height: 20px;
}

/* ---- Footer ---- */
.site-footer {
  background: #060d18;
  color: rgba(246, 241, 232, 0.5);
  padding: 48px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.5;
}

.footer-brand small {
  opacity: 0.5;
}

.footer-copy {
  font-size: 0.8rem;
  opacity: 0.4;
}

/* ---- Back to Top ---- */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 900;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(196, 160, 53, 0.35);
  background: var(--ink);
  color: var(--gold-light);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 28px rgba(10, 22, 40, 0.28);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(16px);
  transition:
    opacity var(--transition),
    visibility var(--transition),
    transform var(--transition),
    background var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--gold);
  color: var(--ink);
  border-color: var(--gold);
  box-shadow: 0 10px 32px var(--gold-glow);
}

.back-to-top:active {
  transform: translateY(0) scale(0.96);
}

.icon--back-top {
  width: 22px;
  height: 22px;
}

/* ---- SVG Icons ---- */
.icon {
  display: block;
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
}

.icon--lg {
  width: 22px;
  height: 22px;
}

.icon--pain {
  width: 13px;
  height: 13px;
  stroke-width: 2.25;
}

.icon--xl {
  width: 28px;
  height: 28px;
}

.icon--feature {
  width: 26px;
  height: 26px;
}

.icon--service {
  width: 22px;
  height: 22px;
}

.icon--arrow {
  width: 28px;
  height: 28px;
}

/* ---- Reveal Animation ---- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Responsive ---- */
@media (max-width: 1200px) and (min-width: 1025px) {
  .nav-links {
    gap: 16px;
  }

  .nav-links a {
    font-size: 0.85rem;
  }

  .logo-text-en {
    display: none;
  }

  .nav-cta {
    padding: 8px 14px;
  }
}

@media (max-width: 1024px) {
  .course-fit__list {
    grid-template-columns: repeat(2, 1fr);
  }

  .course-timeline {
    flex-direction: column;
  }

  .timeline-arrow {
    transform: rotate(90deg);
    justify-content: center;
    padding: 8px 0;
  }

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

  .pillar-grid,
  .pbpf-grid,
  .core-items {
    grid-template-columns: 1fr 1fr;
  }

  .path-track {
    flex-direction: column;
    align-items: center;
    gap: 24px;
  }

  .path-connector {
    width: 2px;
    height: 40px;
    flex: none;
    margin: 0;
    background: linear-gradient(180deg, var(--gold), rgba(196, 160, 53, 0.2));
  }

  .contact-panel {
    grid-template-columns: 1fr;
    max-width: none;
    gap: 20px;
  }

  .mentor-core__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .nav-toggle {
    display: flex;
    flex-shrink: 0;
  }

  .nav-backdrop {
    display: block;
  }

  .logo {
    gap: 8px;
    min-width: 0;
    flex: 1;
    padding-right: 8px;
  }

  .logo-img {
    height: 28px;
  }

  .logo-text {
    font-size: 0.78rem;
    line-height: 1.2;
    letter-spacing: 0.14em;
  }

  .logo-text-en {
    font-size: 0.46rem;
    opacity: 0.45;
  }

  .nav-links {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--cream);
    flex-direction: column;
    align-items: stretch;
    padding: 24px;
    gap: 16px;
    transform: translateY(-120%);
    opacity: 0;
    transition: all var(--transition);
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid rgba(10, 22, 40, 0.06);
    z-index: 999;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
  }

  .nav-links a {
    display: block;
    padding: 4px 0;
  }

  .nav-cta {
    text-align: center;
    margin-top: 4px;
  }
}

@media (max-width: 768px) {
  .pain-grid,
  .feature-grid,
  .service-grid,
  .coop-details {
    grid-template-columns: 1fr;
  }

  .pain-list {
    grid-template-columns: 1fr;
    column-gap: 0;
  }

  .pain-card {
    padding: 32px 24px 28px;
  }

  .pain-card h3 {
    margin-bottom: 28px;
  }

  .course-fit {
    padding: 24px 20px;
  }

  .course-fit__list {
    grid-template-columns: 1fr;
  }

  .pillar-grid,
  .core-items {
    grid-template-columns: 1fr;
  }

  .pbpf-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .pbpf-item {
    padding: 22px 12px;
  }

  .pbpf-item strong {
    font-size: 1.6rem;
  }

  .hero-stats {
    flex-direction: column;
  }

  .stat-card {
    width: 100%;
  }

  .vision-banner {
    flex-direction: column;
    gap: 24px;
  }

  .vision-divider {
    width: 60px;
    height: 1px;
  }

  .quote-banner strong {
    display: block;
  }

  .footer-brand {
    width: 100%;
    justify-content: center;
  }

  .footer-brand p {
    text-align: center;
  }

  .footer-copy {
    width: 100%;
    text-align: center;
  }

  .section {
    padding: 72px 0;
  }

  .cta-section {
    padding: 80px 0 64px;
    overflow: visible;
  }

  .cta-founder {
    margin-bottom: 32px;
  }

  .cta-inner {
    overflow: visible;
    min-width: 0;
  }

  .deliverable {
    flex-direction: column;
    text-align: center;
  }

  .contact-panel {
    gap: 20px;
    width: 100%;
    min-width: 0;
  }

  .contact-direct {
    padding: 0;
    width: 100%;
    min-width: 0;
  }

  .contact-channel {
    padding: 16px 18px;
  }

  .contact-channel__value {
    font-size: 0.9rem;
  }

  .contact-qr {
    padding: 20px 16px 16px;
    border-radius: var(--radius-lg);
    overflow: visible;
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
  }

  .contact-qr__head {
    padding: 0 4px;
    margin-bottom: 16px;
  }

  .qr-scroll-wrap {
    position: relative;
    width: 100%;
    min-width: 0;
  }

  .qr-scroll-wrap::after {
    display: none;
  }

  .qr-scroll-hint {
    display: none;
  }

  .qr-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    overflow: visible;
    padding: 0;
    width: 100%;
  }

  .qr-card {
    flex: none;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
  }

  .qr-card:hover {
    transform: none;
    box-shadow: none;
  }

  .qr-card:active {
    transform: scale(0.99);
  }

  .qr-card__frame {
    padding: 10px;
    max-width: 280px;
    margin: 0 auto;
    width: 100%;
  }

  .qr-card__hint {
    font-size: 0.72rem;
    min-height: auto;
  }

  .faq-tabs {
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-bottom: 24px;
  }

  .faq-item__q {
    padding: 16px 18px;
    gap: 12px;
  }

  .faq-item__text {
    font-size: 0.88rem;
  }

  .faq-item__a {
    padding: 0 18px 16px 18px;
  }

  .faq-item__a p {
    font-size: 0.85rem;
    padding-top: 14px;
  }

  .mentor-chief {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 28px 24px;
    gap: 24px;
  }

  .mentor-avatar--chief {
    margin: 0 auto;
    width: 120px;
    height: 120px;
    font-size: 2.5rem;
  }

  .mentor-tags {
    justify-content: center;
  }

  .mentor-chief__quote {
    text-align: left;
  }

  .mentor-core__grid {
    grid-template-columns: 1fr;
  }

  .mentor-group__q {
    padding: 16px 18px;
  }

  .mentor-item__q {
    flex-wrap: wrap;
    padding: 12px 14px;
    gap: 10px;
  }

  .mentor-item__role {
    flex: 1;
    flex-basis: calc(100% - 60px);
    padding-left: 50px;
  }
}

@media (max-width: 480px) {
  .logo-text {
    font-size: 0.72rem;
    letter-spacing: 0.12em;
  }

  .logo-text-en {
    font-size: 0.42rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
    text-align: center;
  }

  .contact-qr {
    padding: 16px 12px 12px;
  }

  .qr-card__frame {
    max-width: 240px;
  }

  .contact-channel:hover {
    transform: none;
  }

  .back-to-top {
    right: 16px;
    bottom: 16px;
    width: 44px;
    height: 44px;
  }
}

/* ---- Mentor detail page ---- */
.mentor-detail-page .mentor-detail-main {
  padding-top: var(--header-h);
}

.mentor-detail-hero {
  background: linear-gradient(135deg, var(--ink) 0%, var(--ink-soft) 100%);
  padding: 32px 0 48px;
  color: var(--cream);
}

.mentor-detail-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: rgba(246, 241, 232, 0.7);
  text-decoration: none;
  margin-bottom: 28px;
  transition: color var(--transition);
}

.mentor-detail-back svg {
  transform: rotate(180deg);
}

.mentor-detail-back:hover {
  color: var(--gold-light);
}

.mentor-detail-hero__card {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 36px;
  align-items: start;
}

.mentor-detail-hero__name {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 8px;
}

.mentor-detail-hero__title {
  font-size: 0.95rem;
  color: rgba(246, 241, 232, 0.75);
  margin-bottom: 16px;
}

.mentor-detail-hero .mentor-tags {
  margin-bottom: 16px;
}

.mentor-detail-hero .mentor-tag {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(196, 160, 53, 0.35);
  color: var(--gold-light);
}

.mentor-detail-content {
  padding: 48px 0 80px;
}

.mentor-detail-section {
  margin-bottom: 56px;
}

.mentor-detail-section__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--gold);
}

.mentor-detail-section__subtitle {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink-soft);
  margin: 32px 0 16px;
}

.mentor-detail-lead {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 20px;
}

.mentor-detail-text {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--ink-muted);
  margin-bottom: 20px;
}

.mentor-detail-text--muted {
  font-size: 0.9rem;
}

.mentor-detail-list {
  list-style: none;
  margin-bottom: 24px;
}

.mentor-detail-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.mentor-detail-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.mentor-info-table-wrap {
  overflow-x: auto;
  margin-bottom: 24px;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.mentor-info-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.mentor-info-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--cream-dark);
  color: var(--ink-soft);
  vertical-align: top;
}

.mentor-info-table tr:last-child td {
  border-bottom: none;
}

.mentor-info-table td:nth-child(odd) {
  font-weight: 600;
  color: var(--ink-muted);
  width: 22%;
  background: rgba(246, 241, 232, 0.5);
}

.mentor-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.mentor-gallery__item {
  display: block;
  padding: 0;
  border: none;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: zoom-in;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.mentor-gallery__item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.mentor-gallery__item img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.mentor-timeline {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.mentor-timeline__item {
  padding-left: 24px;
  border-left: 2px solid var(--gold);
}

.mentor-timeline__when {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--gold);
  margin-bottom: 8px;
}

.mentor-timeline__text {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 0;
}

.mentor-timeline__item .mentor-gallery {
  margin-top: 16px;
}

.mentor-cert-grid {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.mentor-cert-block .mentor-gallery__item img {
  aspect-ratio: auto;
  object-fit: contain;
  max-height: 320px;
  background: var(--cream);
}

.mentor-cert-block__title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
}

.mentor-detail-cta {
  text-align: center;
  padding: 40px 32px;
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-light) 100%);
  border-radius: var(--radius-lg);
  color: var(--cream);
}

.mentor-detail-cta h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.mentor-detail-cta p {
  color: rgba(246, 241, 232, 0.85);
  margin-bottom: 24px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.mentor-detail-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.mentor-detail-cta__btn {
  min-width: 168px;
  padding: 14px 28px;
}

.mentor-detail-cta .btn-primary {
  background: var(--gold);
  color: var(--ink);
}

.mentor-detail-cta .btn-primary .btn-label {
  opacity: 0.7;
}

.mentor-detail-cta .btn-ghost {
  border-color: rgba(246, 241, 232, 0.4);
  color: var(--cream);
}

.mentor-detail-cta .btn-ghost .btn-label {
  opacity: 0.65;
}

.mentor-chief__actions .mentor-chief__detail-link {
  margin-top: 0;
}

.mentor-chief__detail-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gold-light);
  text-decoration: none;
  padding: 10px 16px;
  border: 1px solid rgba(196, 160, 53, 0.45);
  border-radius: var(--radius);
  background: rgba(196, 160, 53, 0.1);
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.mentor-chief__detail-link:hover {
  background: rgba(196, 160, 53, 0.2);
  border-color: var(--gold);
  color: var(--white);
}

.mentor-chief__detail-arrow {
  transition: transform var(--transition);
}

.mentor-chief__detail-link:hover .mentor-chief__detail-arrow {
  transform: translateX(4px);
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(10, 22, 40, 0.92);
  backdrop-filter: blur(8px);
  cursor: zoom-out;
}

.lightbox[hidden] {
  display: none;
}

.lightbox__img {
  max-width: min(96vw, 1200px);
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  cursor: default;
}

.lightbox__close {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
  font-size: 1.75rem;
  line-height: 1;
  cursor: pointer;
  transition: background var(--transition);
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.22);
}

body.lightbox-open {
  overflow: hidden;
}

@media (max-width: 768px) {
  .mentor-detail-hero__card {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .mentor-detail-hero__card .mentor-avatar--chief {
    margin: 0 auto;
  }

  .mentor-detail-hero .mentor-tags {
    justify-content: center;
  }

  .mentor-gallery {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  }
}

/* ---- 创客研习社 (chuangke) ---- */
.ck-hero {
  position: relative;
  min-height: min(92vh, 820px);
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 48px) 0 72px;
  background: var(--ink);
  color: var(--cream);
  overflow: hidden;
}

.ck-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.ck-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 820px;
}

.ck-hero__eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 18px;
  opacity: 0.9;
}

.ck-hero__title {
  margin-bottom: 20px;
}

.ck-hero__brand {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 7vw, 3.6rem);
  font-weight: 900;
  line-height: 1.15;
  color: var(--cream);
  margin-bottom: 12px;
}

.ck-hero__sub {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 3vw, 1.55rem);
  font-weight: 600;
  color: var(--gold-light);
  line-height: 1.45;
}

.ck-hero__lead {
  max-width: 640px;
  font-size: 1.02rem;
  line-height: 1.85;
  opacity: 0.72;
  margin-bottom: 28px;
}

.ck-value-strip {
  display: grid;
  gap: 10px;
  margin-bottom: 32px;
  max-width: 560px;
}

.ck-value-strip__item {
  position: relative;
  padding: 12px 16px 12px 18px;
  border-left: 3px solid var(--gold);
  background: rgba(246, 241, 232, 0.06);
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2.4vw, 1.15rem);
  font-weight: 600;
  color: var(--cream);
  line-height: 1.5;
}

.ck-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.ck-pain-grid,
.ck-pillars,
.ck-act-grid,
.ck-benefit-grid,
.ck-coop-grid {
  display: grid;
  gap: 20px;
}

.ck-pain-grid,
.ck-pillars,
.ck-benefit-grid,
.ck-coop-grid {
  grid-template-columns: repeat(3, 1fr);
}

.ck-act-grid {
  grid-template-columns: repeat(4, 1fr);
}

.ck-pain,
.ck-pillar,
.ck-act,
.ck-benefit,
.ck-coop {
  padding: 28px 24px;
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow);
}

.ck-pain__num,
.ck-act__num {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin-bottom: 12px;
}

.ck-pain h3,
.ck-pillar h3,
.ck-act h3,
.ck-benefit h3,
.ck-coop h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: var(--ink);
}

.ck-pain p,
.ck-pillar p,
.ck-act p,
.ck-benefit p {
  font-size: 0.92rem;
  color: var(--ink-muted);
  line-height: 1.7;
}

.ck-pillar {
  border-top: 3px solid var(--gold);
}

.section--dark .ck-act {
  background: rgba(246, 241, 232, 0.06);
  box-shadow: none;
  border: 1px solid rgba(246, 241, 232, 0.1);
}

.section--dark .ck-act h3 {
  color: var(--cream);
}

.section--dark .ck-act p {
  color: rgba(246, 241, 232, 0.65);
}

.ck-mission {
  margin-bottom: 36px;
  padding: 32px 28px;
  border-radius: var(--radius-lg);
  background: var(--ink);
  color: var(--cream);
}

.ck-mission__title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--gold-light);
  margin-bottom: 20px;
}

.ck-mission__list {
  list-style: none;
  display: grid;
  gap: 18px;
}

.ck-mission__list li {
  display: grid;
  gap: 6px;
  padding-left: 16px;
  border-left: 3px solid var(--gold);
}

.ck-mission__list strong {
  font-family: var(--font-serif);
  font-size: 1.1rem;
}

.ck-mission__list span {
  font-size: 0.92rem;
  opacity: 0.7;
  line-height: 1.7;
}

.ck-backing {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 40px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--ink) 0%, var(--ink-soft) 100%);
  color: var(--cream);
}

.ck-backing__copy h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  margin: 12px 0 16px;
  line-height: 1.35;
}

.ck-backing__copy p {
  opacity: 0.7;
  line-height: 1.8;
}

.ck-backing__copy strong {
  color: var(--gold-light);
}

.ck-backing__stats {
  display: grid;
  gap: 16px;
}

.ck-stat {
  padding: 18px 20px;
  border-radius: var(--radius);
  background: rgba(246, 241, 232, 0.06);
  border: 1px solid rgba(196, 160, 53, 0.25);
  text-align: center;
}

.ck-stat__num {
  display: block;
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold-light);
  line-height: 1.2;
}

.ck-stat__label {
  font-size: 0.82rem;
  opacity: 0.6;
}

.ck-coop ul {
  list-style: none;
  display: grid;
  gap: 10px;
}

.ck-coop li {
  position: relative;
  padding-left: 16px;
  font-size: 0.92rem;
  color: var(--ink-muted);
  line-height: 1.6;
}

.ck-coop li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.ck-coop--start {
  background: var(--ink);
  color: var(--cream);
}

.ck-coop--start h3 {
  color: var(--gold-light);
}

.ck-coop--start li {
  color: rgba(246, 241, 232, 0.7);
}

.ck-coop__note {
  margin-top: 16px;
  font-size: 0.85rem;
  color: rgba(246, 241, 232, 0.5);
}

.ck-fund {
  background: var(--cream-dark);
  padding: 80px 0;
}

.ck-fund__panel {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  padding: 48px 36px;
  border-radius: var(--radius-lg);
  background: var(--ink);
  color: var(--cream);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(196, 160, 53, 0.35);
}

.ck-fund__eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 12px;
}

.ck-fund__title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin-bottom: 16px;
  color: var(--gold-light);
}

.ck-fund__desc {
  max-width: 520px;
  margin: 0 auto 28px;
  font-size: 0.98rem;
  line-height: 1.8;
  opacity: 0.72;
}

.ck-fund__desc strong {
  color: var(--cream);
  opacity: 1;
}

.ck-fund__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 18px;
}

.ck-fund__hint {
  font-size: 0.8rem;
  opacity: 0.45;
  line-height: 1.6;
}

.chuangke-page .nav-links a[aria-current="page"] {
  color: var(--gold);
}

@media (max-width: 960px) {
  .ck-act-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ck-backing {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 32px 24px;
  }
}

@media (max-width: 720px) {
  .ck-pain-grid,
  .ck-pillars,
  .ck-benefit-grid,
  .ck-coop-grid,
  .ck-act-grid {
    grid-template-columns: 1fr;
  }

  .ck-hero {
    min-height: auto;
    padding-bottom: 56px;
  }

  .ck-fund__panel {
    padding: 36px 22px;
  }

  .ck-fund__actions .btn {
    width: 100%;
  }
}