/* ============================================================
  万千堂 唐卡 - Tibetan Thangka Website Styles
  Theme: Dark / Gold / Tibetan
  ============================================================ */

/* ── Google Fonts: Noto Serif SC for Chinese ───────────────── */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@300;400;500;600;700&display=swap');

/* ── Variables ─────────────────────────────────────────────── */
:root {
 --bg-primary:  #fdf8f2;
 --bg-secondary: #f2ece2;
 --bg-card:    #ffffff;
 --bg-nav:    rgba(253, 248, 242, 0.97);

 --gold:     #b8860b;
 --gold-light:  #d4a017;
 --gold-dark:   #8a6e14;
 --gold-faint:  rgba(184, 134, 11, 0.1);

 --text-primary: #1c1008;
 --text-secondary:#5a3e20;
 --text-muted:  #9e7a5a;

 --accent-red:  #8b1a1a;
 --accent-blue:  #1a3a5c;

 --border:    rgba(139, 90, 20, 0.28);
 --border-hover: rgba(139, 90, 20, 0.6);

 --radius:    6px;
 --radius-lg:   12px;

 --shadow:    0 4px 24px rgba(0,0,0,0.09);
 --shadow-gold:  0 0 20px rgba(184, 134, 11, 0.22);

 /* Language-specific font stacks */
 --font-serif:  'Georgia', 'Times New Roman', serif;
 --font-sans:   'Arial', 'Helvetica', sans-serif;
 /* Set by JS per active language: */
 --font-body:   'Noto Serif SC', 'STSong', 'SimSun', 'FangSong', serif;

 --nav-height:  70px;
 --transition:  0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
 background-color: var(--bg-primary);
 color: var(--text-primary);
 font-family: var(--font-body);
 font-size: 16.5px;
 line-height: 1.85;
 min-height: 100vh;
}

/* Language-specific body fonts */
html[lang="zh-CN"] body {
 font-family: 'Noto Serif SC', 'STSong', 'Songti SC', 'SimSun', serif;
}
html[lang="ja"] body {
 font-family: 'Yu Mincho', 'YuMincho', 'Hiragino Mincho ProN', 'MS Mincho', 'MS明朝', serif;
}
html[lang="en"] body {
 font-family: 'Times New Roman', 'Times', Georgia, serif;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--gold-light); }

h1, h2, h3, h4 {
 font-family: var(--font-serif);
 color: var(--gold);
 line-height: 1.3;
}

/* ── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--gold-dark); border-radius: 3px; }

/* ── Utility ───────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.text-center { text-align: center; }
.text-gold { color: var(--gold); }

.section-title {
 font-size: clamp(1.6rem, 3vw, 2.4rem);
 text-align: center;
 margin-bottom: 12px;
}
.section-subtitle {
 text-align: center;
 color: var(--text-secondary);
 font-size: 0.95rem;
 margin-bottom: 48px;
}
.divider {
 width: 60px;
 height: 2px;
 background: linear-gradient(90deg, transparent, var(--gold), transparent);
 margin: 16px auto 20px;
}

/* ── Navigation ────────────────────────────────────────────── */
.navbar {
 position: fixed;
 top: 0;
 left: 0;
 right: 0;
 z-index: 1000;
 height: var(--nav-height);
 background: var(--bg-nav);
 border-bottom: 1px solid var(--border);
 backdrop-filter: blur(10px);
 display: flex;
 align-items: center;
}

.nav-inner {
 display: flex;
 align-items: center;
 width: 100%;
 gap: 8px;
}

.nav-logo {
 display: flex;
 align-items: center;
 flex-shrink: 0;
 margin-right: 8px;
}
.nav-logo-img {
 height: 46px;
 width: auto;
 display: block;
}

.nav-links {
 display: flex;
 align-items: center;
 gap: 2px;
 list-style: none;
 flex: 1 1 auto;
 min-width: 0;
 flex-wrap: nowrap;
 overflow: hidden;
}

.nav-links a {
 color: var(--text-primary);
 font-size: 0.82rem;
 padding: 6px 10px;
 border-radius: var(--radius);
 transition: all var(--transition);
 white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active {
 color: var(--gold);
 background: var(--gold-faint);
}

/* Language switcher — always visible on right of navbar */
.lang-switcher {
 display: flex;
 gap: 4px;
 flex-shrink: 0;
 border-left: 1px solid var(--border);
 padding-left: 10px;
 margin-left: 8px;
}
.lang-btn {
 background: none;
 border: 1px solid var(--border);
 color: var(--text-secondary);
 font-size: 0.75rem;
 padding: 4px 10px;
 border-radius: 3px;
 cursor: pointer;
 transition: all var(--transition);
 font-weight: 500;
}
.lang-btn:hover, .lang-btn.active {
 border-color: var(--gold);
 color: var(--gold);
 background: var(--gold-faint);
}

/* Mobile menu toggle */
.nav-toggle {
 display: none;
 flex-direction: column;
 gap: 5px;
 background: none;
 border: none;
 cursor: pointer;
 padding: 4px;
}
.nav-toggle span {
 display: block;
 width: 24px;
 height: 2px;
 background: var(--gold);
 border-radius: 2px;
 transition: all var(--transition);
}

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
 min-height: 100vh;
 display: flex;
 align-items: center;
 position: relative;
 overflow: hidden;
 padding-top: var(--nav-height);
}

.hero-bg {
 position: absolute;
 inset: 0;
 background:
  radial-gradient(ellipse 80% 60% at 60% 40%, rgba(184,134,11,0.07) 0%, transparent 70%),
  radial-gradient(ellipse 50% 80% at 80% 80%, rgba(139,26,26,0.06) 0%, transparent 60%),
  var(--bg-primary);
}

/* Decorative border pattern */
.hero-bg::before {
 content: '';
 position: absolute;
 top: var(--nav-height);
 left: 0; right: 0;
 height: 3px;
 background: linear-gradient(90deg, transparent, var(--gold-dark), var(--gold), var(--gold-dark), transparent);
}

.hero-content {
 position: relative;
 z-index: 1;
 max-width: 680px;
}

.hero-eyebrow {
 display: inline-block;
 font-size: 0.75rem;
 letter-spacing: 4px;
 text-transform: uppercase;
 color: var(--gold);
 border: 1px solid var(--border);
 padding: 5px 16px;
 border-radius: 20px;
 margin-bottom: 24px;
}

.hero h1 {
 font-size: clamp(2.2rem, 5vw, 4rem);
 margin-bottom: 8px;
 line-height: 1.15;
}

.hero-sub {
 font-size: clamp(1rem, 2vw, 1.4rem);
 color: var(--text-secondary);
 font-family: var(--font-serif);
 margin-bottom: 24px;
}

.hero p {
 color: var(--text-secondary);
 font-size: 1rem;
 margin-bottom: 40px;
 max-width: 520px;
}

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

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 padding: 12px 28px;
 border-radius: var(--radius);
 font-size: 0.95rem;
 font-weight: 600;
 cursor: pointer;
 transition: all var(--transition);
 border: none;
 text-decoration: none;
 white-space: nowrap;
}

.btn-primary {
 background: linear-gradient(135deg, var(--gold), var(--gold-dark));
 color: #ffffff;
}
.btn-primary:hover {
 background: linear-gradient(135deg, var(--gold-light), var(--gold));
 color: #ffffff;
 box-shadow: 0 6px 20px rgba(184,134,11,0.35);
 transform: translateY(-1px);
}

.btn-outline {
 background: transparent;
 border: 1px solid var(--border-hover);
 color: var(--gold);
}
.btn-outline:hover {
 background: var(--gold-faint);
 border-color: var(--gold);
}

.btn-sm {
 padding: 8px 18px;
 font-size: 0.85rem;
}

/* ── Sections ──────────────────────────────────────────────── */
.section {
 padding: 90px 0;
}
.section-dark {
 background: var(--bg-secondary);
}
.section-alt {
 background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

/* ── Featured Products Grid ────────────────────────────────── */
.products-grid {
 display: grid;
 grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
 gap: 28px;
}

.product-card {
 background: var(--bg-card);
 border: 1px solid var(--border);
 border-radius: var(--radius-lg);
 overflow: hidden;
 transition: all var(--transition);
 cursor: pointer;
 box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.product-card:hover {
 border-color: var(--gold);
 box-shadow: var(--shadow-gold);
 transform: translateY(-4px);
}

.product-card__img {
 width: 100%;
 aspect-ratio: 3/4;
 object-fit: cover;
 background: var(--bg-secondary);
 display: flex;
 align-items: center;
 justify-content: center;
 color: var(--text-muted);
 font-size: 0.8rem;
}
.product-card__img img {
 width: 100%;
 height: 100%;
 object-fit: cover;
}

.product-card__body {
 padding: 18px;
}
.product-card__tag {
 font-size: 0.72rem;
 letter-spacing: 1.5px;
 text-transform: uppercase;
 color: var(--gold-dark);
 margin-bottom: 6px;
}
.product-card__name {
 font-size: 1.05rem;
 font-family: var(--font-serif);
 color: var(--text-primary);
 margin-bottom: 8px;
}
.product-card__desc {
 font-size: 0.85rem;
 color: var(--text-secondary);
 margin-bottom: 14px;
 display: -webkit-box;
 -webkit-line-clamp: 2;
 -webkit-box-orient: vertical;
 overflow: hidden;
}
.product-card__footer {
 display: flex;
 align-items: center;
 justify-content: space-between;
}
.product-card__price {
 font-size: 1.1rem;
 font-weight: 700;
 color: var(--gold);
}
.product-card__price .currency { font-size: 0.75rem; }

/* ── About Section ─────────────────────────────────────────── */
.about-grid {
 display: grid;
 grid-template-columns: 1fr 1fr;
 gap: 64px;
 align-items: center;
}
.about-img-wrap {
 position: relative;
}
.about-img-wrap::before {
 content: '';
 position: absolute;
 top: -12px; left: -12px;
 right: 12px; bottom: 12px;
 border: 2px solid var(--border);
 border-radius: var(--radius-lg);
 pointer-events: none;
}
.about-img-wrap img {
 border-radius: var(--radius-lg);
 width: 100%;
 aspect-ratio: 4/5;
 object-fit: cover;
}
.about-placeholder {
 background: var(--bg-card);
 border-radius: var(--radius-lg);
 border: 1px solid var(--border);
 width: 100%;
 aspect-ratio: 4/5;
 display: flex;
 align-items: center;
 justify-content: center;
 color: var(--text-muted);
 font-size: 0.9rem;
}

.about-text h2 { margin-bottom: 16px; }
.about-text p {
 color: var(--text-secondary);
 margin-bottom: 16px;
 font-size: 0.97rem;
}
.about-stats {
 display: grid;
 grid-template-columns: repeat(3, 1fr);
 gap: 16px;
 margin-top: 32px;
}
.stat {
 text-align: center;
 padding: 16px;
 border: 1px solid var(--border);
 border-radius: var(--radius);
}
.stat__num {
 display: block;
 font-size: 2rem;
 font-weight: 700;
 color: var(--gold);
 font-family: var(--font-serif);
}
.stat__label {
 font-size: 0.78rem;
 color: var(--text-muted);
 margin-top: 4px;
}

/* ── Knowledge Cards ───────────────────────────────────────── */
.knowledge-grid {
 display: grid;
 grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
 gap: 24px;
}
.knowledge-card {
 background: var(--bg-card);
 border: 1px solid var(--border);
 border-radius: var(--radius-lg);
 padding: 28px;
 transition: all var(--transition);
 box-shadow: 0 2px 12px rgba(0,0,0,0.05);
}
.knowledge-card:hover {
 border-color: var(--border-hover);
 box-shadow: var(--shadow-gold);
}
.knowledge-card__icon {
 font-size: 0.68rem;
 font-family: var(--font-serif);
 letter-spacing: 4px;
 color: var(--gold-dark);
 text-transform: uppercase;
 padding-bottom: 14px;
 margin-bottom: 16px;
 border-bottom: 1px solid var(--border);
}
.knowledge-card h3 {
 font-size: 1.1rem;
 margin-bottom: 10px;
}
.knowledge-card p {
 color: var(--text-secondary);
 font-size: 0.9rem;
}

/* ── Ecwid Shop Section ────────────────────────────────────── */
.shop-section {
 padding: 60px 0 90px;
}

/* Override Ecwid default styles for dark theme */
#my-store-mansendo {
 min-height: 400px;
}

/* ── Contact Section ───────────────────────────────────────── */
.contact-grid {
 display: grid;
 grid-template-columns: 1fr 1.5fr;
 gap: 48px;
}
.contact-info h2 { margin-bottom: 20px; }
.contact-info-item {
 display: flex;
 gap: 14px;
 margin-bottom: 20px;
 align-items: flex-start;
}
.contact-info-item__icon {
 width: 48px;
 height: 32px;
 border: 1px solid var(--border);
 border-radius: 3px;
 display: flex;
 align-items: center;
 justify-content: center;
 flex-shrink: 0;
 font-size: 0.62rem;
 letter-spacing: 1.5px;
 text-transform: uppercase;
 font-weight: 600;
 color: var(--gold);
 margin-top: 2px;
}
.contact-info-item__text { color: var(--text-secondary); font-size: 0.92rem; }
.contact-info-item__label { display: block; color: var(--gold); font-size: 0.75rem; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 2px; }

.contact-form {
 background: var(--bg-card);
 border: 1px solid var(--border);
 border-radius: var(--radius-lg);
 padding: 36px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
 display: block;
 font-size: 0.85rem;
 color: var(--text-secondary);
 margin-bottom: 6px;
 letter-spacing: 0.5px;
}
.form-group input,
.form-group select,
.form-group textarea {
 width: 100%;
 background: var(--bg-secondary);
 border: 1px solid var(--border);
 border-radius: var(--radius);
 color: var(--text-primary);
 font-size: 0.95rem;
 padding: 10px 14px;
 transition: border-color var(--transition);
 font-family: var(--font-sans);
 outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
 border-color: var(--gold);
 box-shadow: 0 0 0 2px rgba(201,162,39,0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select option { background: var(--bg-card); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ── Page Header (Inner pages) ─────────────────────────────── */
.page-header {
 padding: calc(var(--nav-height) + 60px) 0 60px;
 text-align: center;
 background:
  radial-gradient(ellipse 80% 60% at 50% 100%, rgba(201,162,39,0.07) 0%, transparent 70%),
  var(--bg-secondary);
 border-bottom: 1px solid var(--border);
}
.page-header h1 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 12px; }
.page-header p { color: var(--text-secondary); font-size: 1.05rem; }

/* ── Gallery Filters ───────────────────────────────────────── */
.filter-bar {
 display: flex;
 gap: 10px;
 flex-wrap: wrap;
 margin-bottom: 36px;
}
.filter-btn {
 background: none;
 border: 1px solid var(--border);
 color: var(--text-secondary);
 padding: 7px 18px;
 border-radius: 20px;
 cursor: pointer;
 font-size: 0.88rem;
 transition: all var(--transition);
}
.filter-btn:hover, .filter-btn.active {
 border-color: var(--gold);
 color: var(--gold);
 background: var(--gold-faint);
}

/* ── Artist Page ───────────────────────────────────────────── */
.artist-hero {
 display: grid;
 grid-template-columns: 360px 1fr;
 gap: 64px;
 align-items: start;
 padding-top: 48px;
}
.artist-photo {
 border-radius: var(--radius-lg);
 border: 2px solid var(--border);
 width: 100%;
 aspect-ratio: 3/4;
 object-fit: cover;
}
.artist-photo-placeholder {
 background: var(--bg-card);
 border-radius: var(--radius-lg);
 border: 1px solid var(--border);
 width: 100%;
 aspect-ratio: 3/4;
 display: flex;
 align-items: center;
 justify-content: center;
 color: var(--text-muted);
}
.artist-bio h1 { margin-bottom: 8px; }
.artist-bio .role {
 color: var(--gold-dark);
 font-size: 0.85rem;
 letter-spacing: 2px;
 text-transform: uppercase;
 margin-bottom: 24px;
}
.artist-bio p { color: var(--text-secondary); margin-bottom: 14px; }

/* ── Footer ────────────────────────────────────────────────── */
.footer {
 background: #0a0600;
 border-top: 1px solid var(--border);
 padding: 60px 0 28px;
}
.footer-grid {
 display: grid;
 grid-template-columns: 2fr 1fr 1fr 1fr;
 gap: 40px;
 margin-bottom: 48px;
}
.footer-brand .logo-zh { font-size: 1.4rem; font-family: var(--font-serif); color: var(--gold); }
.footer-brand .logo-en { font-size: 0.65rem; color: var(--text-muted); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 16px; }
.footer-brand p { color: var(--text-muted); font-size: 0.88rem; margin-top: 12px; max-width: 280px; }
.footer-col h4 { font-size: 0.8rem; letter-spacing: 2px; text-transform: uppercase; color: var(--gold-dark); margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: var(--text-muted); font-size: 0.88rem; transition: color var(--transition); }
.footer-col a:hover { color: var(--gold); }
.footer-col .addr { color: var(--text-muted); font-size: 0.85rem; line-height: 1.8; }

.footer-bottom {
 border-top: 1px solid rgba(201,162,39,0.1);
 padding-top: 24px;
 display: flex;
 align-items: center;
 justify-content: space-between;
 flex-wrap: wrap;
 gap: 12px;
}
.footer-bottom p { color: var(--text-muted); font-size: 0.8rem; }

/* Social icons */
.social-links { display: flex; gap: 12px; margin-top: 16px; }
.social-link {
 width: 36px; height: 36px;
 border: 1px solid var(--border);
 border-radius: 50%;
 display: flex; align-items: center; justify-content: center;
 color: var(--text-muted);
 font-size: 0.85rem;
 transition: all var(--transition);
}
.social-link:hover {
 border-color: var(--gold);
 color: var(--gold);
 background: var(--gold-faint);
}

/* ── Notice Banner ─────────────────────────────────────────── */
.notice-banner {
 background: linear-gradient(135deg, var(--bg-card), rgba(201,162,39,0.05));
 border: 1px solid var(--border);
 border-radius: var(--radius-lg);
 padding: 24px 32px;
 margin-bottom: 40px;
 display: flex;
 align-items: center;
 gap: 16px;
}
.notice-banner__icon { font-size: 1.5rem; flex-shrink: 0; }
.notice-banner p { color: var(--text-secondary); font-size: 0.92rem; margin: 0; }
.notice-banner a { color: var(--gold); }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 1024px) {
 .about-grid { grid-template-columns: 1fr; gap: 40px; }
 .footer-grid { grid-template-columns: 1fr 1fr; }
 .artist-hero { grid-template-columns: 1fr; }
 .artist-photo, .artist-photo-placeholder { max-width: 360px; }
}

@media (max-width: 768px) {
 .nav-links { display: none; flex-direction: column; }
 .nav-links.open { display: flex; position: fixed; top: var(--nav-height); left: 0; right: 0; background: var(--bg-nav); border-bottom: 1px solid var(--border); padding: 16px; box-shadow: 0 4px 16px rgba(0,0,0,0.1); }
 .nav-toggle { display: flex; }
 .lang-switcher { border: none; padding: 0; margin-left: auto; flex-shrink: 0; }
 .nav-logo { flex: 0 0 auto; margin-right: 0; }

 .hero { text-align: center; }
 .hero-cta { justify-content: center; }

 .about-stats { grid-template-columns: 1fr 1fr; }
 .contact-grid { grid-template-columns: 1fr; }
 .form-row { grid-template-columns: 1fr; }
 .footer-grid { grid-template-columns: 1fr; }
}

/* ── Animations ────────────────────────────────────────────── */
@keyframes fadeUp {
 from { opacity: 0; transform: translateY(24px); }
 to  { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.6s ease forwards; }
.fade-up-2 { animation: fadeUp 0.6s 0.15s ease both; }
.fade-up-3 { animation: fadeUp 0.6s 0.3s ease both; }

/* ── Tibetan Decorative Border ─────────────────────────────── */
.tibetan-border {
 height: 6px;
 background: repeating-linear-gradient(
  90deg,
  var(--gold-dark) 0px, var(--gold-dark) 10px,
  var(--accent-red) 10px, var(--accent-red) 20px,
  var(--gold) 20px, var(--gold) 30px,
  var(--accent-red) 30px, var(--accent-red) 40px,
  var(--gold-dark) 40px, var(--gold-dark) 50px
 );
 opacity: 0.7;
}

/* ── Cart Badge ────────────────────────────────────────────── */
.cart-icon {
 position: relative;
 cursor: pointer;
 color: var(--text-secondary);
 font-size: 1.2rem;
 padding: 4px 8px;
 transition: color var(--transition);
 margin-left: 8px;
}
.cart-icon:hover { color: var(--gold); }
.cart-badge {
 position: absolute;
 top: -2px; right: -2px;
 background: var(--gold);
 color: #ffffff;
 font-size: 0.6rem;
 font-weight: 700;
 width: 16px; height: 16px;
 border-radius: 50%;
 display: flex;
 align-items: center;
 justify-content: center;
 display: none;
}

/* ── Exclusive Agency Notice ───────────────────────────────── */
.exclusive-notice {
 display: flex;
 gap: 0;
 align-items: flex-start;
 background: linear-gradient(135deg, rgba(184,134,11,0.08), rgba(184,134,11,0.03));
 border-left: 3px solid var(--gold);
 border-top: 1px solid var(--border);
 border-right: 1px solid var(--border);
 border-bottom: 1px solid var(--border);
 border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
 padding: 20px 28px;
 margin-bottom: 40px;
}
.exclusive-notice__icon { display: none; }
.exclusive-notice__content {
 font-size: 0.92rem;
 color: var(--text-secondary);
 line-height: 1.8;
}
.exclusive-notice__content strong { color: var(--gold-dark); }

/* ── Guinness Badge (no emoji) ─────────────────────────────── */
.guinness-badge {
 display: inline-block;
 background: linear-gradient(135deg, rgba(122,26,26,0.3) 0%, rgba(201,162,39,0.15) 100%);
 border: 1px solid rgba(201,162,39,0.5);
 border-left: 3px solid var(--gold);
 border-radius: 0 var(--radius) var(--radius) 0;
 padding: 10px 18px;
 color: var(--gold-light);
 font-size: 0.88rem;
 font-family: var(--font-serif);
 font-style: italic;
 margin: 16px 0 24px;
 letter-spacing: 0.03em;
}

/* ── Step Numbers (replacing emoji) ───────────────────────── */
.step-num {
 display: inline-block;
 width: 32px; height: 32px;
 border: 1px solid var(--gold-dark);
 border-radius: 50%;
 text-align: center;
 line-height: 30px;
 font-size: 0.8rem;
 font-family: var(--font-serif);
 color: var(--gold);
 margin-bottom: 14px;
}

/* ── Visual Refinements ────────────────────────────────────── */
.section { padding: 96px 0; }
.knowledge-card { padding: 32px; }
.knowledge-card h3 { font-size: 1.05rem; margin-bottom: 12px; letter-spacing: 0.02em; }
.about-text p { font-size: 1rem; line-height: 1.9; }
.product-card__body { padding: 20px; }
.product-card__name { font-size: 1.05rem; margin-bottom: 10px; line-height: 1.4; }
.product-card__desc { font-size: 0.87rem; line-height: 1.6; }

/* ── Events Page ───────────────────────────────────────────── */
.events-grid {
 display: grid;
 grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
 gap: 32px;
 margin-top: 40px;
}
.event-card {
 background: var(--bg-card);
 border: 1px solid var(--border);
 border-radius: var(--radius-lg);
 overflow: hidden;
 transition: all var(--transition);
}
.event-card:hover {
 border-color: var(--gold-dark);
 box-shadow: var(--shadow-gold);
 transform: translateY(-3px);
}
.event-card__img {
 width: 100%;
 height: 240px;
 object-fit: cover;
 display: block;
 background: var(--bg-secondary);
}
.event-card__body { padding: 24px; }
.event-card__label {
 font-size: 0.68rem;
 letter-spacing: 3px;
 text-transform: uppercase;
 color: var(--gold-dark);
 margin-bottom: 10px;
}
.event-card__title {
 font-size: 1.1rem;
 font-family: var(--font-serif);
 color: var(--text-primary);
 margin-bottom: 10px;
 line-height: 1.4;
}
.event-card__desc {
 font-size: 0.88rem;
 color: var(--text-secondary);
 line-height: 1.75;
}

/* photo gallery strip */
.photo-strip {
 display: grid;
 grid-template-columns: repeat(3, 1fr);
 gap: 12px;
 margin-top: 32px;
}
.photo-strip img {
 width: 100%;
 height: 200px;
 object-fit: cover;
 border-radius: var(--radius);
 border: 1px solid var(--border);
 display: block;
}
@media (max-width: 768px) {
 .photo-strip { grid-template-columns: 1fr 1fr; }
}

/* ── Multi-language visibility ──────────────────────────────
  Elements with [data-lang] are hidden by default.
  The correct one is shown based on <html lang="..."> set by setLang().
  NOTE: .lang-btn buttons also carry data-lang but must always be visible.
  ─────────────────────────────────────────────────────────── */
[data-lang]:not(.lang-btn) { display: none; }
html[lang="zh-CN"] [data-lang="zh"]:not(.lang-btn) { display: revert; }
html[lang="ja"]    [data-lang="ja"]:not(.lang-btn) { display: revert; }
html[lang="en"]    [data-lang="en"]:not(.lang-btn) { display: revert; }
.lang-btn { display: inline-flex; align-items: center; }