/* ========== CSS VARIABLES & RESET ========== */
:root {
  --bg-deep: #faf7f2;
  --bg-dark: #f5f0e8;
  --bg-card: #ffffff;
  --bg-card-hover: #fdfcf9;
  --gold: #b8944e;
  --gold-light: #c9a96e;
  --gold-dim: #a68b5b;
  --purple: #6b4fa0;
  --purple-light: #8b6fc0;
  --purple-dark: #4a3578;
  --text: #2d2d2d;
  --text-dim: #6b6b6b;
  --text-muted: #999999;
  --white: #1a1a1a;
  --border: rgba(180, 160, 130, 0.2);
  --shadow: 0 4px 24px rgba(0,0,0,.06);
  --shadow-hover: 0 12px 40px rgba(0,0,0,.1);
  --radius: 16px;
  --radius-sm: 10px;
  --font-serif: 'Heiti SC','SimHei','PingFang SC','Noto Sans SC','Microsoft YaHei',sans-serif;
  --font-sans: 'Heiti SC','SimHei','PingFang SC','Noto Sans SC','Microsoft YaHei',sans-serif;
  --transition: .35s cubic-bezier(.25,.8,.25,1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration:none; color:inherit; }
ul { list-style:none; }
img { max-width:100%; display:block; }

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar { width:6px; }
::-webkit-scrollbar-track { background:var(--bg-deep); }
::-webkit-scrollbar-thumb { background:var(--gold-dim); border-radius:3px; }

/* ========== SECTION HEADER ========== */
.section-header {
  text-align:center;
  margin-bottom:60px;
}
.section-tag {
  display:inline-block;
  font-size:.8rem;
  letter-spacing:4px;
  text-transform:uppercase;
  color:var(--gold);
  border:1px solid rgba(184,148,78,.35);
  padding:6px 20px;
  border-radius:20px;
  margin-bottom:16px;
  background:rgba(184,148,78,.05);
}
.section-header h2 {
  font-family:var(--font-serif);
  font-size:2.2rem;
  font-weight:500;
  color:#1a1a1a;
  margin-bottom:8px;
  letter-spacing:1px;
}
.section-header p {
  color:var(--text-dim);
  font-size:1rem;
}

/* ========== BUTTONS ========== */
.btn {
  display:inline-block;
  padding:14px 36px;
  border-radius:30px;
  font-size:.95rem;
  font-weight:500;
  letter-spacing:1px;
  cursor:pointer;
  transition:var(--transition);
  border:none;
  font-family:var(--font-sans);
}
.btn-primary {
  background:linear-gradient(135deg,var(--gold),#a07c3e);
  color:#fff;
  box-shadow:0 4px 16px rgba(184,148,78,.25);
}
.btn-primary:hover {
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(184,148,78,.4);
}
.btn-outline {
  border:1.5px solid rgba(184,148,78,.5);
  color:var(--gold);
  background:transparent;
}
.btn-outline:hover {
  background:rgba(184,148,78,.06);
  border-color:var(--gold);
}
.btn-full { width:100%; }

/* ========== NAVIGATION ========== */
.nav {
  position:fixed;
  top:0; left:0; right:0;
  z-index:1000;
  padding:0 30px;
  transition:var(--transition);
}
.nav.scrolled {
  background:rgba(250,247,242,.94);
  backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(180,160,130,.15);
  box-shadow:0 2px 16px rgba(0,0,0,.04);
}
.nav-inner {
  max-width:1300px;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:70px;
}
.nav-logo {
  font-family:var(--font-serif);
  font-size:1.5rem;
  font-weight:600;
  letter-spacing:3px;
  color:#1a1a1a;
  display:flex;
  align-items:center;
}
.logo-img {
  height:42px;
  width:auto;
  display:block;
}
.nav-logo span {
  font-family: 'Heiti SC','SimHei','PingFang SC','Microsoft YaHei',sans-serif;
  font-size:1.5rem;
  font-weight:400;
  letter-spacing:3px;
  color:#1a1a1a;
}
.nav-links {
  display:flex;
  gap:4px;
}
.nav-links a {
  padding:8px 18px;
  border-radius:20px;
  font-size:.85rem;
  letter-spacing:1px;
  color:var(--text-dim);
  transition:var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color:var(--gold);
  background:rgba(184,148,78,.06);
}
.nav-toggle {
  display:none;
  flex-direction:column;
  gap:5px;
  cursor:pointer;
  padding:5px;
}
.nav-toggle span {
  display:block;
  width:24px; height:2px;
  background:var(--gold);
  transition:var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform:rotate(45deg) translate(5px,5px); }
.nav-toggle.active span:nth-child(2) { opacity:0; }
.nav-toggle.active span:nth-child(3) { transform:rotate(-45deg) translate(5px,-5px); }

@media (max-width:1024px) {
  .nav-links {
    position:fixed;
    top:70px; left:0; right:0;
    background:rgba(250,247,242,.97);
    backdrop-filter:blur(20px);
    flex-direction:column;
    padding:20px;
    gap:2px;
    border-bottom:1px solid rgba(180,160,130,.15);
    transform:translateY(-120%);
    transition:var(--transition);
    opacity:0;
    box-shadow:0 4px 20px rgba(0,0,0,.06);
  }
  .nav-links.open { transform:translateY(0); opacity:1; }
  .nav-links a { padding:14px 20px; font-size:.9rem; }
  .nav-toggle { display:flex; }
}

/* ========== HERO ========== */
.hero {
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  position:relative;
  text-align:center;
  padding:100px 30px;
}
.hero-bg {
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, #fdfaf5 0%, #f7f1e8 30%, #faf7f2 60%, #f5efe4 100%),
             radial-gradient(ellipse at 50% 30%, rgba(107,79,160,.04) 0%, transparent 70%),
             radial-gradient(ellipse at 80% 70%, rgba(184,148,78,.06) 0%, transparent 60%);
}
.hero-bg::after {
  content:'';
  position:absolute;
  inset:0;
  background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23b8944e' fill-opacity='0.04'%3E%3Ccircle cx='30' cy='30' r='1'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity:.6;
}
.hero-content {
  position:relative;
  z-index:1;
  max-width:700px;
}
.hero-brand {
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:12px;
  margin-bottom:24px;
  margin-top:40px;
}
.hero-logo {
  height:130px;
  width:auto;
  display:block;
  margin:0 auto;
}
.hero-studio {
  font-family: 'Heiti SC','SimHei','PingFang SC','Microsoft YaHei',sans-serif;
  font-size:1.8rem;
  font-weight:400;
  letter-spacing:4px;
  color:#1a1a1a;
}
.hero-title {
  font-family: 'Heiti SC','SimHei','PingFang SC','Microsoft YaHei',sans-serif;
  margin-bottom:28px;
}
.hero-title .line1,
.hero-title .line2 {
  display:block;
  font-weight:400;
}
.hero-title .line1 {
  font-size:4rem;
  letter-spacing:12px;
  color:#1a1a1a;
}
.hero-title .line2 {
  font-size:2.8rem;
  letter-spacing:8px;
  color:var(--gold-light);
  margin-top:4px;
}
.hero-sub {
  font-family: 'Heiti SC','SimHei','PingFang SC','Microsoft YaHei',sans-serif;
  color:var(--text-dim);
  font-size:1.05rem;
  line-height:1.8;
  margin-bottom:40px;
  font-weight:400;
}
.hero-btns {
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
  margin-bottom:60px;
}
.hero-scroll {
  position:absolute;
  bottom:4px;
  left:50%;
  transform:translateX(-50%);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
  color:var(--text-muted);
  font-size:.75rem;
  letter-spacing:2px;
  animation:float 2.5s ease-in-out infinite;
}
.scroll-arrow {
  width:20px; height:20px;
  border-right:1.5px solid var(--gold-dim);
  border-bottom:1.5px solid var(--gold-dim);
  transform:rotate(45deg);
}
@keyframes float {
  0%,100% { transform:translateX(-50%) translateY(0); }
  50% { transform:translateX(-50%) translateY(12px); }
}

@media (max-width:768px) {
  .hero-title .line1 { font-size:2.6rem; letter-spacing:6px; }
  .hero-title .line2 { font-size:1.8rem; letter-spacing:4px; }
  .hero-sub { font-size:.9rem; }
  .section-header h2 { font-size:1.8rem; white-space:nowrap; }
}

/* ========== TEACHERS ========== */
.teachers {
  max-width:1100px;
  margin:0 auto;
  padding:100px 30px;
}

.teacher-card {
  display:grid;
  grid-template-columns:280px 1fr;
  gap:50px;
  background:var(--bg-card);
  border-radius:var(--radius);
  padding:50px;
  margin-bottom:40px;
  border:1px solid var(--border);
  box-shadow:var(--shadow);
  transition:var(--transition);
  position:relative;
  overflow:hidden;
}
.teacher-card::before {
  content:'';
  position:absolute;
  top:0; left:0;
  width:4px; height:60px;
  background:linear-gradient(to bottom,var(--gold),transparent);
  border-radius:0 0 4px 0;
}
.teacher-card:hover {
  border-color:rgba(184,148,78,.3);
  box-shadow:var(--shadow-hover);
}

.teacher-card.reverse {
  grid-template-columns:1fr 280px;
}
.teacher-card.reverse .teacher-avatar { order:2; }
.teacher-card.reverse .teacher-info { order:1; }
.teacher-card.reverse::before { left:auto; right:0; border-radius:0 0 0 4px; }

.teacher-avatar {
  text-align:center;
}
.avatar-frame {
  width:200px; height:200px;
  border-radius:50%;
  overflow:hidden;
  margin:0 auto 16px;
  border:3px solid rgba(184,148,78,.25);
  padding:4px;
  background:var(--bg-deep);
}
.avatar-frame img {
  width:100%; height:100%;
  object-fit:cover;
  border-radius:50%;
}
.teacher-badge {
  display:inline-block;
  font-size:.75rem;
  color:var(--gold);
  border:1px solid rgba(184,148,78,.3);
  padding:4px 14px;
  border-radius:14px;
  letter-spacing:1px;
}

.teacher-name {
  font-family:var(--font-serif);
  font-size:2rem;
  font-weight:500;
  color:#1a1a1a;
  margin-bottom:4px;
}
.teacher-sub {
  font-size:1rem;
  color:var(--text-dim);
  font-weight:300;
  margin-left:8px;
}
.teacher-tags {
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-bottom:24px;
}
.teacher-tags span {
  font-size:.78rem;
  padding:4px 12px;
  background:rgba(107,79,160,.08);
  color:var(--purple-light);
  border-radius:12px;
  letter-spacing:1px;
}

.teacher-bio .bio-section {
  margin-bottom:18px;
}
.teacher-bio .bio-section h4 {
  font-size:.85rem;
  color:var(--gold);
  margin-bottom:6px;
  letter-spacing:1px;
  font-weight:500;
}
.teacher-bio .bio-section p {
  color:var(--text-dim);
  font-size:.9rem;
  line-height:1.8;
}
.teacher-bio .bio-section ul {
  list-style:none;
  padding:0;
}
.teacher-bio .bio-section ul li {
  color:var(--text-dim);
  font-size:.9rem;
  padding:5px 0;
  padding-left:16px;
  position:relative;
}
.teacher-bio .bio-section ul li::before {
  content:'·';
  position:absolute;
  left:0;
  color:var(--gold);
  font-weight:bold;
}

.bio-courses {
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}
.bio-courses a {
  display:inline-block;
  padding:6px 16px;
  background:rgba(184,148,78,.08);
  color:var(--gold);
  border-radius:16px;
  font-size:.82rem;
  letter-spacing:1px;
  transition:var(--transition);
}
.bio-courses a:hover {
  background:rgba(184,148,78,.18);
  color:#1a1a1a;
}

@media (max-width:768px) {
  .teacher-card,
  .teacher-card.reverse {
    grid-template-columns:1fr;
    gap:30px;
    padding:30px 24px;
    text-align:center;
  }
  .teacher-card.reverse .teacher-avatar { order:0; }
  .teacher-card.reverse .teacher-info { order:0; }
  .teacher-tags { justify-content:center; }
  .bio-courses { justify-content:center; }
  .teacher-bio .bio-section ul li { padding-left:0; text-align:center; }
  .teacher-bio .bio-section ul li::before { display:none; }
  .teacher-name { font-size:1.6rem; }
}

/* ========== COURSES ========== */
.courses {
  max-width:1300px;
  margin:0 auto;
  padding:100px 30px;
}

.course-group {
  margin-bottom:70px;
}
.course-group-header {
  display:flex;
  align-items:center;
  gap:16px;
  margin-bottom:30px;
  padding-bottom:16px;
  border-bottom:1px solid var(--border);
}
.group-avatar-sm {
  width:50px; height:50px;
  border-radius:50%;
  overflow:hidden;
  border:2px solid rgba(184,148,78,.25);
  flex-shrink:0;
}
.group-avatar-sm img {
  width:100%; height:100%;
  object-fit:cover;
}
.course-group-header h3 {
  font-family:var(--font-serif);
  font-size:1.3rem;
  font-weight:500;
  color:#1a1a1a;
}
.course-group-header p {
  font-size:.85rem;
  color:var(--text-dim);
  margin-top:2px;
}

.course-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.course-grid.cols-2 { grid-template-columns:repeat(2,1fr); }
.course-grid.cols-1 { grid-template-columns:1fr; max-width:450px; }

.course-item {
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--bg-card);
  border:1px solid var(--border);
  box-shadow:var(--shadow);
  transition:var(--transition);
  cursor:pointer;
}
.course-item:hover {
  transform:translateY(-6px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(184,148,78,.3);
}
.course-item.single { max-width:450px; margin:0 auto; }

.course-poster {
  width:100%;
  aspect-ratio:3/4;
  overflow:hidden;
  background:var(--bg-deep);
}
.course-poster img {
  width:100%; height:100%;
  object-fit:cover;
  transition:transform .6s ease;
}
.course-item:hover .course-poster img {
  transform:scale(1.05);
}

.course-info-bar {
  display:flex;
  align-items:center;
  gap:10px;
  padding:14px 16px;
}
.course-teacher {
  font-size:.75rem;
  padding:3px 10px;
  background:rgba(107,79,160,.08);
  color:var(--purple-light);
  border-radius:10px;
  letter-spacing:1px;
}
.course-name {
  font-size:.9rem;
  color:var(--text);
  font-weight:500;
  letter-spacing:1px;
}

@media (max-width:900px) {
  .course-grid,
  .course-grid.cols-2 { grid-template-columns:repeat(2,1fr); }
}
@media (max-width:560px) {
  .course-grid,
  .course-grid.cols-2,
  .course-grid.cols-1 { grid-template-columns:1fr; }
  .course-item.single { max-width:100%; }
}

/* ========== PRODUCTS ========== */
.products {
  max-width:1300px;
  margin:0 auto;
  padding:100px 30px;
}
.magic { background:var(--bg-deep); }
.healing {
  background:var(--bg-dark);
  max-width:100%;
  padding:100px 30px;
}

.product-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  max-width:1300px;
  margin:0 auto;
}
.product-card {
  background:var(--bg-card);
  border-radius:var(--radius);
  padding:36px 28px;
  border:1px solid var(--border);
  box-shadow:var(--shadow);
  transition:var(--transition);
  text-align:center;
}
.product-card:hover {
  transform:translateY(-4px);
  border-color:rgba(184,148,78,.3);
  box-shadow:var(--shadow-hover);
}
a.product-link {
  display:block;
  color:inherit;
  cursor:pointer;
}
.healing-card { background:var(--bg-card); }

.product-icon {
  font-size:3rem;
  margin-bottom:16px;
}
.product-card h4 {
  font-family:var(--font-serif);
  font-size:1.15rem;
  font-weight:500;
  color:#1a1a1a;
  margin-bottom:8px;
  letter-spacing:1px;
}
.product-card p {
  font-size:.85rem;
  color:var(--text-dim);
  line-height:1.7;
  margin-bottom:16px;
}
.product-cta {
  display:inline-block;
  font-size:.82rem;
  color:var(--gold);
  letter-spacing:1px;
  cursor:pointer;
  transition:var(--transition);
  padding:8px 22px;
  border:1.5px solid var(--gold);
  border-radius:25px;
  margin-top:4px;
}
.product-card:hover .product-cta {
  color:#fff;
  background:var(--gold);
  border-color:var(--gold);
}

.product-note {
  text-align:center;
  margin-top:40px;
  font-size:.9rem;
  color:var(--text-dim);
}

@media (max-width:900px) {
  .product-grid { grid-template-columns:repeat(2,1fr); }
}
@media (max-width:560px) {
  .product-grid { grid-template-columns:1fr; }
}

/* ========== PRICING ========== */
.pricing {
  max-width:1200px;
  margin:0 auto;
  padding:100px 30px;
}

.pricing-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}

.pricing-card {
  background:var(--bg-card);
  border-radius:var(--radius);
  padding:40px 28px;
  border:1px solid var(--border);
  box-shadow:var(--shadow);
  text-align:center;
  transition:var(--transition);
}
.pricing-card:hover {
  border-color:rgba(184,148,78,.3);
  transform:translateY(-4px);
}

.pricing-card.featured {
  border-color:rgba(184,148,78,.35);
  background:linear-gradient(180deg, rgba(184,148,78,.04) 0%, var(--bg-card) 40%);
  position:relative;
}
.pricing-card.featured::before {
  content:'墨墨';
  position:absolute;
  top:-14px;
  left:50%;
  transform:translateX(-50%);
  background:linear-gradient(135deg,var(--gold),#a07c3e);
  color:#fff;
  font-size:.75rem;
  padding:5px 20px;
  border-radius:14px;
  letter-spacing:1px;
  font-weight:600;
}

.pricing-avatar {
  width:80px; height:80px;
  border-radius:50%;
  overflow:hidden;
  margin:0 auto 16px;
  border:2px solid rgba(184,148,78,.25);
}
.pricing-avatar img {
  width:100%; height:100%;
  object-fit:cover;
}

.pricing-card h3 {
  font-family:var(--font-serif);
  font-size:1.2rem;
  font-weight:500;
  color:#1a1a1a;
  margin-bottom:20px;
}

.pricing-items {
  margin-bottom:24px;
}
.pricing-item {
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:10px 0;
  border-bottom:1px solid var(--border);
}
.pricing-item:last-child { border-bottom:none; }
.pricing-item .service {
  font-size:.85rem;
  color:var(--text-dim);
}
.pricing-item .price {
  font-size:.85rem;
  color:var(--gold);
  font-weight:500;
}

.btn-pricing {
  display:inline-block;
  padding:12px 30px;
  border-radius:24px;
  border:1.5px solid rgba(184,148,78,.4);
  color:var(--gold);
  font-size:.85rem;
  letter-spacing:1px;
  transition:var(--transition);
  cursor:pointer;
}
.btn-pricing:hover,
.btn-pricing.primary {
  background:linear-gradient(135deg,var(--gold),#a07c3e);
  color:#fff;
  border-color:transparent;
}
.btn-pricing.primary:hover {
  box-shadow:0 6px 24px rgba(184,148,78,.35);
}

.pricing-note {
  text-align:center;
  margin-top:36px;
  font-size:.9rem;
  color:var(--text-dim);
}

@media (max-width:900px) {
  .pricing-grid { grid-template-columns:1fr; max-width:420px; margin:0 auto; }
}

/* ========== CONTACT ========== */
.contact {
  max-width:1100px;
  margin:0 auto;
  padding:100px 30px;
}
.contact-grid {
  display:grid;
  grid-template-columns:1fr 1.1fr;
  gap:40px;
  align-items:start;
}

.contact-info {
  display:grid;
  gap:16px;
}
.contact-card {
  display:flex;
  align-items:center;
  gap:16px;
  background:var(--bg-card);
  border-radius:var(--radius-sm);
  padding:20px 24px;
  border:1px solid var(--border);
  box-shadow:var(--shadow);
  transition:var(--transition);
}
.contact-card:hover {
  border-color:rgba(184,148,78,.3);
}
.contact-icon {
  font-size:1.8rem;
  flex-shrink:0;
}
.contact-detail h4 {
  font-size:.85rem;
  color:var(--gold);
  margin-bottom:2px;
  letter-spacing:1px;
}
.contact-detail p {
  font-size:.9rem;
  color:var(--text-dim);
}

.contact-form {
  background:var(--bg-card);
  border-radius:var(--radius);
  padding:36px;
  border:1px solid var(--border);
  box-shadow:var(--shadow);
}
.contact-form h3 {
  font-family:var(--font-serif);
  font-size:1.3rem;
  font-weight:500;
  color:#1a1a1a;
  margin-bottom:24px;
}
.form-group {
  margin-bottom:18px;
}
.form-group label {
  display:block;
  font-size:.8rem;
  color:var(--text-dim);
  margin-bottom:6px;
  letter-spacing:1px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width:100%;
  padding:12px 16px;
  background:var(--bg-deep);
  border:1px solid rgba(180,160,130,.2);
  border-radius:var(--radius-sm);
  color:var(--text);
  font-size:.9rem;
  font-family:var(--font-sans);
  transition:var(--transition);
  resize:vertical;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline:none;
  border-color:rgba(184,148,78,.5);
  background:#fffdf9;
}
.form-group select option {
  background:#fff;
  color:var(--text);
}

@media (max-width:768px) {
  .contact-grid {
    grid-template-columns:1fr;
  }
}

/* ========== LIGHTBOX ========== */
.lightbox {
  display:none;
  position:fixed;
  top:0; left:0; right:0; bottom:0;
  z-index:2000;
  background:rgba(0,0,0,.88);
  align-items:center;
  justify-content:center;
  cursor:zoom-out;
}
.lightbox.active {
  display:flex;
}
.lightbox-img {
  max-width:90vw;
  max-height:90vh;
  object-fit:contain;
  border-radius:8px;
  cursor:default;
  animation:lbIn .35s ease;
}
@keyframes lbIn {
  from { opacity:0; transform:scale(.9); }
  to { opacity:1; transform:scale(1); }
}
.lightbox-close {
  position:absolute;
  top:24px;
  right:30px;
  font-size:2.5rem;
  color:#fff;
  cursor:pointer;
  transition:var(--transition);
  z-index:2001;
}
.lightbox-close:hover { color:var(--gold-light); }

/* ========== FOOTER ========== */
.footer {
  background:var(--bg-dark);
  border-top:1px solid var(--border);
  padding:60px 30px 30px;
}
.footer-inner {
  max-width:1300px;
  margin:0 auto;
}
.footer-top {
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:40px;
  margin-bottom:40px;
}
.footer-logo {
  height:50px;
  width:auto;
  margin-bottom:10px;
  display:block;
}
.footer-brand h3 {
  font-family:var(--font-serif);
  font-size:1.5rem;
  color:#1a1a1a;
  letter-spacing:3px;
  margin-bottom:8px;
}
.footer-brand h3 span { color:var(--gold); font-weight:300; }
.footer-brand p { color:var(--text-dim); font-size:.85rem; }

.footer-links {
  display:flex;
  gap:60px;
  flex-wrap:wrap;
}
.footer-col h4 {
  font-size:.85rem;
  color:var(--gold);
  letter-spacing:2px;
  margin-bottom:14px;
}
.footer-col a {
  display:block;
  font-size:.85rem;
  color:var(--text-dim);
  padding:4px 0;
  transition:var(--transition);
}
.footer-col a:hover { color:var(--gold); }

.footer-bottom {
  text-align:center;
  padding-top:24px;
  border-top:1px solid var(--border);
}
.footer-bottom p {
  font-size:.78rem;
  color:var(--text-muted);
}

@media (max-width:768px) {
  .footer-top { flex-direction:column; text-align:center; }
  .footer-links { justify-content:center; gap:40px; }
}

/* ========== SCROLL REVEAL ANIMATION ========== */
.reveal {
  opacity:0;
  transform:translateY(30px);
  transition:opacity .8s ease, transform .8s ease;
}
.reveal.visible {
  opacity:1;
  transform:translateY(0);
}

/* ========== POSTER CLICK HINT ========== */
.course-poster {
  position:relative;
}
.course-poster::after {
  content:'点击查看';
  position:absolute;
  bottom:12px;
  right:12px;
  font-size:.7rem;
  color:#fff;
  background:rgba(0,0,0,.5);
  padding:3px 10px;
  border-radius:8px;
  opacity:0;
  transition:opacity .3s;
  pointer-events:none;
}
.course-item:hover .course-poster::after {
  opacity:1;
}