/* ===== Variables ===== */
:root {
  --color-bg: #0f0a0c;
  --color-bg-soft: #1a1216;
  --color-cream: #f8f3ee;
  --color-cream-dim: #e8dfd4;
  --color-wine: #6b2d3e;
  --color-wine-light: #8f3d52;
  --color-gold: #c9a86c;
  --color-gold-light: #e0c992;
  --color-blush: #d4a5a5;
  --color-text: #2a1f22;
  --color-text-muted: #6b5a5f;
  --font-serif: "Noto Serif SC", "Songti SC", serif;
  --font-display: "ZCOOL XiaoWei", "Noto Serif SC", serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 72px;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 20px 60px rgba(15, 10, 12, 0.15);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font-serif);
  background: var(--color-cream);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

/* ===== Grain & Cursor ===== */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  opacity: 0.04;
  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='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.cursor-glow {
  position: fixed;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 168, 108, 0.12) 0%, transparent 70%);
  pointer-events: none;
  z-index: 9997;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
  opacity: 0;
}

body.has-cursor .cursor-glow { opacity: 1; }

@media (hover: none) {
  .cursor-glow { display: none; }
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  transition: background 0.4s var(--ease-out), box-shadow 0.4s;
}

.site-header.scrolled {
  background: rgba(15, 10, 12, 0.92);
  backdrop-filter: blur(16px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding-inline: clamp(1rem, 4vw, 3rem);
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-cn {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-cream);
  letter-spacing: 0.2em;
}

.logo-en {
  font-size: 0.55rem;
  letter-spacing: 0.35em;
  color: var(--color-gold);
  opacity: 0.8;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.9rem;
  color: rgba(248, 243, 238, 0.85);
  letter-spacing: 0.05em;
  position: relative;
  transition: color 0.3s;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width 0.3s var(--ease-out);
}

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

.nav-cta {
  padding: 0.5rem 1.2rem !important;
  border: 1px solid var(--color-gold);
  border-radius: 100px;
  color: var(--color-gold) !important;
}

.nav-cta::after { display: none !important; }
.nav-cta:hover {
  background: var(--color-gold);
  color: var(--color-bg) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-cream);
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 2rem;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  border-radius: 100px;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s, background 0.3s;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: linear-gradient(135deg, var(--color-wine) 0%, var(--color-wine-light) 100%);
  color: var(--color-cream);
  box-shadow: 0 8px 30px rgba(107, 45, 62, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 12px 40px rgba(107, 45, 62, 0.45);
}

.btn-ghost {
  border: 1px solid rgba(248, 243, 238, 0.5);
  color: var(--color-cream);
  margin-left: 1rem;
}

.btn-ghost:hover {
  background: rgba(248, 243, 238, 0.1);
  border-color: var(--color-cream);
}

.btn-large { padding: 1rem 2.5rem; font-size: 1rem; }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.08);
  transition: opacity 1.2s ease, transform 8s ease;
}

.hero-slide.active {
  opacity: 1;
  transform: scale(1);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(15, 10, 12, 0.75) 0%,
    rgba(107, 45, 62, 0.35) 50%,
    rgba(15, 10, 12, 0.6) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem;
  max-width: 800px;
}

.hero-tag {
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  color: var(--color-gold-light);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-title {
  margin-bottom: 1.5rem;
}

.title-line {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 5.5rem);
  color: var(--color-cream);
  letter-spacing: 0.15em;
  line-height: 1.2;
  text-shadow: 0 4px 40px rgba(0, 0, 0, 0.3);
}

.title-sub {
  display: block;
  font-size: clamp(1rem, 3vw, 1.35rem);
  color: rgba(248, 243, 238, 0.85);
  letter-spacing: 0.2em;
  margin-top: 0.5rem;
  font-weight: 400;
}

.hero-motto {
  font-size: 1.05rem;
  color: var(--color-gold);
  letter-spacing: 0.15em;
  margin-bottom: 2.5rem;
}

.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem; }

.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(248, 243, 238, 0.6);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-gold), transparent);
  animation: scrollPulse 2s ease infinite;
}

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

.hero-dots {
  position: absolute;
  bottom: 2.5rem;
  right: 3rem;
  z-index: 2;
  display: flex;
  gap: 0.5rem;
}

.hero-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(248, 243, 238, 0.3);
  cursor: pointer;
  transition: background 0.3s, transform 0.3s;
}

.hero-dot.active {
  background: var(--color-gold);
  transform: scale(1.3);
}

/* ===== Reveal Animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

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

/* ===== Stats ===== */
.stats {
  background: var(--color-bg);
  padding: 3.5rem 0;
  margin-top: -1px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat-card {
  text-align: center;
  color: var(--color-cream);
}

.stat-num {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  color: var(--color-gold);
  line-height: 1;
}

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

.stat-label {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: rgba(248, 243, 238, 0.6);
}

/* ===== Sections ===== */
.section {
  padding: clamp(4rem, 10vw, 7rem) 0;
}

.section-tag {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  color: var(--color-wine);
  margin-bottom: 0.75rem;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.8rem);
  color: var(--color-text);
  letter-spacing: 0.1em;
  font-weight: 400;
}

.section-head.center { text-align: center; }

.section-desc {
  margin-top: 1rem;
  color: var(--color-text-muted);
  max-width: 560px;
  margin-inline: auto;
}

/* ===== About ===== */
.about { background: var(--color-cream); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 4rem;
  align-items: center;
  margin-top: 3rem;
}

.about-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.about-img-wrap img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.about-img-wrap:hover img { transform: scale(1.03); }

.about-badge {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--color-wine);
  color: var(--color-cream);
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  text-align: center;
}

.about-badge span {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1;
}

.about-badge small {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  opacity: 0.8;
}

.about-text .lead {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  color: var(--color-text);
}

.meaning-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}

.meaning-card {
  background: white;
  padding: 1.5rem;
  border-radius: var(--radius);
  border-left: 3px solid var(--color-gold);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s;
}

.meaning-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(107, 45, 62, 0.08);
}

.meaning-card h3 {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-wine);
  margin-bottom: 0.5rem;
}

.meaning-card p { font-size: 0.9rem; color: var(--color-text-muted); }

/* ===== Philosophy ===== */
.philosophy {
  background: linear-gradient(180deg, #efe8e0 0%, var(--color-cream) 100%);
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.phil-card {
  background: white;
  padding: 2rem 1.5rem;
  border-radius: var(--radius-lg);
  text-align: center;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s;
  position: relative;
  overflow: hidden;
}

.phil-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-wine), var(--color-gold));
  transform: scaleX(0);
  transition: transform 0.4s var(--ease-out);
}

.phil-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(107, 45, 62, 0.12);
}

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

.phil-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-cream);
  background: linear-gradient(135deg, var(--color-wine), var(--color-wine-light));
  border-radius: 50%;
}

.phil-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  letter-spacing: 0.1em;
}

.phil-card p { font-size: 0.88rem; color: var(--color-text-muted); }

.quote-block {
  margin-top: 4rem;
  text-align: center;
  padding: 2.5rem;
  border-top: 1px solid rgba(107, 45, 62, 0.15);
}

.quote-block p {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  color: var(--color-wine);
  letter-spacing: 0.1em;
}

.quote-block cite {
  display: block;
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-style: normal;
}

/* ===== Courses ===== */
.courses { background: var(--color-bg-soft); color: var(--color-cream); }
.courses .section-tag { color: var(--color-gold); }
.courses .section-head h2 { color: var(--color-cream); }

.course-tabs {
  display: flex;
  gap: 0.5rem;
  margin: 2rem 0;
  flex-wrap: wrap;
}

.course-tab {
  padding: 0.75rem 1.75rem;
  border-radius: 100px;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  color: rgba(248, 243, 238, 0.6);
  border: 1px solid rgba(248, 243, 238, 0.2);
  transition: all 0.3s var(--ease-out);
}

.course-tab:hover { color: var(--color-cream); border-color: var(--color-gold); }

.course-tab.active {
  background: var(--color-wine);
  border-color: var(--color-wine);
  color: var(--color-cream);
}

.course-panel { display: none; animation: fadeIn 0.5s var(--ease-out); }
.course-panel.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.course-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.course-info h3 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  margin-bottom: 1rem;
  letter-spacing: 0.08em;
}

.course-info p { color: rgba(248, 243, 238, 0.8); margin-bottom: 1.5rem; }

.course-features li {
  padding: 0.6rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: rgba(248, 243, 238, 0.75);
  font-size: 0.95rem;
  border-bottom: 1px solid rgba(248, 243, 238, 0.08);
}

.course-features li::before {
  content: "◆";
  position: absolute;
  left: 0;
  color: var(--color-gold);
  font-size: 0.6rem;
  top: 0.85rem;
}

.course-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.course-img img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

/* ===== Teachers ===== */
.teachers { background: var(--color-cream); }

.teachers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
  align-items: stretch;
  transition: gap 0.5s var(--ease-out);
}

.teacher-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(15, 10, 12, 0.06);
  transition:
    transform 0.45s var(--ease-out),
    box-shadow 0.52s cubic-bezier(0.32, 0.72, 0, 1);
}

.teacher-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(107, 45, 62, 0.12);
}

.teacher-card.featured {
  grid-column: span 1;
  border: 2px solid var(--color-gold);
}

.teacher-photo {
  aspect-ratio: 3/4;
  overflow: hidden;
  position: relative;
}

.teacher-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.teacher-card:hover .teacher-photo img { transform: scale(1.05); }

.placeholder-photo {
  background: linear-gradient(160deg, var(--color-wine) 0%, var(--color-bg) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.placeholder-inner span {
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--color-gold);
  opacity: 0.6;
}

.teacher-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  min-height: 0;
}

.teacher-role {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--color-wine);
  text-transform: uppercase;
}

.teacher-info h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 0.25rem 0 0.75rem;
  letter-spacing: 0.1em;
}

.teacher-brief {
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.teachers-actions {
  text-align: center;
  margin-top: 2.5rem;
}

.teachers-toggle {
  padding: 0.75rem 2rem;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  color: var(--color-wine);
  border: 1px solid var(--color-wine);
  border-radius: 100px;
  transition: color 0.3s, background 0.3s, border-color 0.3s, transform 0.3s var(--ease-out);
}

.teachers-toggle:hover {
  color: var(--color-cream);
  background: var(--color-wine);
  transform: translateY(-2px);
}

.teachers-toggle[aria-expanded="true"] {
  background: var(--color-wine);
  color: var(--color-cream);
  border-color: var(--color-wine);
}

/* 详细介绍展开区 — 高度动画 + 三卡等高 */
.teacher-detail-wrap {
  display: grid;
  grid-template-rows: 0fr;
  flex: 0 0 auto;
  margin-top: 0;
  overflow: hidden;
  transition:
    grid-template-rows 0.52s cubic-bezier(0.32, 0.72, 0, 1),
    margin-top 0.48s cubic-bezier(0.32, 0.72, 0, 1);
}

.teacher-detail-wrap.is-open {
  grid-template-rows: 1fr;
  flex: 1 1 auto;
  margin-top: 1rem;
}

.teacher-detail-wrap > .teacher-detail {
  overflow: hidden;
  min-height: 0;
}

.teacher-detail {
  padding-top: 1rem;
  border-top: 1px solid rgba(107, 45, 62, 0.1);
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  transform: translateY(10px);
  opacity: 0;
  will-change: transform, opacity;
  transition:
    transform 0.45s var(--ease-out),
    opacity 0.4s var(--ease-out);
}

/* 展开：内容稍后淡入 */
.teacher-detail-wrap.is-open:not(.is-closing) .teacher-detail {
  transform: translateY(0);
  opacity: 1;
  min-height: 100%;
  transition-delay: 0.12s, 0.1s;
}

.teachers-expanded .teacher-card:nth-child(1) .teacher-detail-wrap.is-open:not(.is-closing) .teacher-detail {
  transition-delay: 0.14s, 0.12s;
}

.teachers-expanded .teacher-card:nth-child(2) .teacher-detail-wrap.is-open:not(.is-closing) .teacher-detail {
  transition-delay: 0.2s, 0.18s;
}

.teachers-expanded .teacher-card:nth-child(3) .teacher-detail-wrap.is-open:not(.is-closing) .teacher-detail {
  transition-delay: 0.26s, 0.24s;
}

/* 收起第一阶段：文字先淡出上移 */
.teacher-detail-wrap.is-closing.is-open .teacher-detail {
  transform: translateY(-8px);
  opacity: 0;
  transition:
    transform 0.28s cubic-bezier(0.4, 0, 1, 1),
    opacity 0.28s cubic-bezier(0.4, 0, 1, 1);
  transition-delay: 0s;
}

.teacher-detail-wrap.is-closing.is-open {
  border-color: transparent;
}

/* 收起第二阶段：高度平滑回落（JS 延迟后移除 is-open） */
.teacher-detail-wrap:not(.is-open) {
  transition:
    grid-template-rows 0.52s cubic-bezier(0.32, 0.72, 0, 1),
    margin-top 0.48s cubic-bezier(0.32, 0.72, 0, 1),
    flex 0.01s 0.4s;
}

.teacher-detail p + p { margin-top: 0.75rem; }

.teachers-expanded .teacher-card {
  box-shadow: 0 16px 48px rgba(107, 45, 62, 0.1);
}

.teachers-expanded .teacher-card:hover {
  transform: translateY(-4px);
}

.teachers-closing .teacher-card {
  box-shadow: 0 8px 40px rgba(15, 10, 12, 0.06);
  transition: box-shadow 0.35s ease;
}

@media (prefers-reduced-motion: reduce) {
  .teacher-detail-wrap,
  .teacher-detail {
    transition: none !important;
  }
}

/* ===== Honors ===== */
.honors {
  background: linear-gradient(135deg, var(--color-wine) 0%, #4a1f2c 100%);
  color: var(--color-cream);
}

.honors .section-tag { color: var(--color-gold-light); }
.honors .section-head h2 { color: var(--color-cream); }

.honors-content { margin-top: 2rem; }

.honors-main p {
  font-size: 1.1rem;
  max-width: 640px;
  line-height: 1.9;
  opacity: 0.9;
}

.honor-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.honor-badge {
  padding: 0.6rem 1.5rem;
  border: 1px solid var(--color-gold);
  border-radius: 100px;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  color: var(--color-gold-light);
  transition: background 0.3s, color 0.3s;
}

.honor-badge:hover {
  background: var(--color-gold);
  color: var(--color-bg);
}

.honors-marquee {
  margin-top: 3rem;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.marquee-track {
  display: flex;
  gap: 3rem;
  animation: marquee 25s linear infinite;
  width: max-content;
}

.marquee-track span {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 0.15em;
  color: rgba(248, 243, 238, 0.25);
  white-space: nowrap;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===== Gallery ===== */
.gallery { background: var(--color-cream); }

.gallery-filter {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin: 2rem 0;
  flex-wrap: wrap;
  position: relative;
  padding-bottom: 0.5rem;
}

.filter-progress {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(280px, 70vw);
  height: 2px;
  background: rgba(107, 45, 62, 0.12);
  border-radius: 2px;
  overflow: hidden;
}

.filter-progress::after {
  content: "";
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--color-wine), var(--color-gold));
  border-radius: 2px;
}

.filter-progress.is-running::after {
  animation: filterProgress var(--rotate-ms, 4500ms) linear forwards;
}

@keyframes filterProgress {
  to { width: 100%; }
}

.gallery-grid.is-switching {
  opacity: 0.6;
  transition: opacity 0.25s ease;
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  border: 1px solid transparent;
  transition: all 0.3s;
}

.filter-btn:hover { color: var(--color-wine); }
.filter-btn.active {
  background: var(--color-wine);
  color: var(--color-cream);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 1;
  opacity: 0;
  transform: scale(0.95);
  animation: galleryIn 0.5s var(--ease-out) forwards;
}

@keyframes galleryIn {
  to { opacity: 1; transform: scale(1); }
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease-out);
}

.gallery-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 10, 12, 0.5) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s;
}

.gallery-item:hover img { transform: scale(1.08); }
.gallery-item:hover::after { opacity: 1; }

.gallery-item .gallery-zoom {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  z-index: 1;
  width: 36px;
  height: 36px;
  background: rgba(248, 243, 238, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.3s, transform 0.3s;
  font-size: 1.1rem;
}

.gallery-item:hover .gallery-zoom {
  opacity: 1;
  transform: scale(1);
}

/* ===== Lightbox ===== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(15, 10, 12, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.lightbox.open {
  opacity: 1;
  visibility: visible;
}

.lightbox-img {
  max-height: 85vh;
  max-width: 90vw;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.5);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  color: var(--color-cream);
  font-size: 2.5rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(248, 243, 238, 0.1);
  transition: background 0.3s;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background: var(--color-wine);
}

.lightbox-close { top: 1.5rem; right: 1.5rem; }
.lightbox-prev { left: 1.5rem; }
.lightbox-next { right: 1.5rem; }

/* ===== Contact ===== */
.contact {
  background: var(--color-bg-soft);
  color: var(--color-cream);
}

.contact .section-tag { color: var(--color-gold); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.contact-info h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.5rem);
  letter-spacing: 0.1em;
  line-height: 1.4;
  margin: 0.5rem 0 1.5rem;
}

.contact-info > p {
  color: rgba(248, 243, 238, 0.75);
  margin-bottom: 2rem;
}

.contact-list { margin-bottom: 2rem; }

.contact-list li {
  display: flex;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid rgba(248, 243, 238, 0.08);
}

.contact-icon { font-size: 1.25rem; }

.contact-list strong {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--color-gold);
  margin-bottom: 0.25rem;
}

.contact-list p { color: rgba(248, 243, 238, 0.85); font-size: 0.95rem; }

.contact-list a {
  color: var(--color-cream);
  transition: color 0.3s;
}

.contact-list a:hover { color: var(--color-gold); }

.contact-map {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.contact-map img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.map-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem;
  background: linear-gradient(to top, rgba(15, 10, 12, 0.9), transparent);
}

.map-overlay span {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.15em;
}

.map-overlay small {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.85rem;
  color: var(--color-gold-light);
  letter-spacing: 0.1em;
}

/* ===== Footer ===== */
.footer {
  background: var(--color-bg);
  padding: 2.5rem 0;
  color: rgba(248, 243, 238, 0.5);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-brand .logo-cn {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-cream);
  letter-spacing: 0.2em;
}

.footer-brand p {
  font-size: 0.8rem;
  margin-top: 0.25rem;
  color: var(--color-gold);
  opacity: 0.7;
}

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

.footer-icp {
  font-size: 0.75rem;
  margin-top: 0.25rem;
  opacity: 0.6;
}
.footer-icp a {
  color: inherit;
  text-decoration: none;
}
.footer-icp a:hover {
  opacity: 1;
  text-decoration: underline;
}

/* ===== Float CTA ===== */
.float-cta {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 900;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-wine), var(--color-wine-light));
  color: var(--color-cream);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 30px rgba(107, 45, 62, 0.45);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s;
  animation: floatPulse 3s ease infinite;
}

.float-cta:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 40px rgba(107, 45, 62, 0.55);
}

@keyframes floatPulse {
  0%, 100% { box-shadow: 0 8px 30px rgba(107, 45, 62, 0.45); }
  50% { box-shadow: 0 8px 40px rgba(201, 168, 108, 0.4); }
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .philosophy-grid { grid-template-columns: repeat(2, 1fr); }
  .teachers-grid { grid-template-columns: 1fr 1fr; }
  .teacher-card.featured { grid-column: span 2; }
  .about-grid,
  .course-content,
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    background: rgba(15, 10, 12, 0.98);
    transform: translateX(100%);
    transition: transform 0.4s var(--ease-out);
  }

  .nav-links.open { transform: translateX(0); }

  .nav-links a { font-size: 1.2rem; }

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

  .meaning-cards { grid-template-columns: 1fr; }

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

  .teachers-grid { grid-template-columns: 1fr; }
  .teacher-card.featured { grid-column: span 1; }

  .hero-dots { right: 50%; transform: translateX(50%); bottom: 5rem; }

  .btn-ghost { margin-left: 0; margin-top: 0.5rem; }

  .hero-actions { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
}