/* X-MAG 中文官网 — 玻璃拟态浅色设计 */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap");

:root {
  --primary: #2b6bff;
  --primary-dark: #1a4fd8;
  --primary-deep: #0f1b3a;
  --accent: #2b6bff;
  --accent-light: #e8f0ff;
  --text: #1a1a1a;
  --text-muted: #6b7280;
  --border: rgba(15, 27, 58, 0.08);
  --bg: #f4f7fb;
  --bg-alt: rgba(255, 255, 255, 0.42);
  --glass: rgba(255, 255, 255, 0.72);
  --shadow: 0 10px 40px rgba(30, 64, 140, 0.08);
  --shadow-lg: 0 24px 60px rgba(20, 40, 90, 0.12);
  --radius: 22px;
  --radius-sm: 16px;
  --radius-pill: 999px;
  --header-h: 92px;
  --max-w: 1180px;
  --transition: 0.25s ease;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  color: var(--text);
  background:
    radial-gradient(ellipse 70% 55% at 88% -8%, #ffd9b8 0%, transparent 58%),
    radial-gradient(ellipse 65% 50% at 6% 12%, #b9dcff 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 50% 100%, #cfe4ff 0%, transparent 50%),
    #f3f6fb;
  background-attachment: fixed;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  min-height: 100%;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }

.container { width: min(var(--max-w), 92vw); margin: 0 auto; }

/* Header */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: transparent;
  border-bottom: none;
  height: var(--header-h);
  padding: 18px 0;
  transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
}
.site-header.is-scrolled {
  background: rgba(247, 250, 255, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 8px 30px rgba(20, 40, 90, 0.06);
}

.header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 100%;
}

.logo { display: flex; align-items: center; justify-self: start; }
.logo img { height: 28px; width: auto; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-pill);
  padding: 5px 6px;
  box-shadow: 0 8px 32px rgba(20, 40, 90, 0.08);
}

.main-nav > li { list-style: none; position: relative; }

.main-nav > li > a {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 14px; color: #4b5563;
  font-size: 0.8125rem; font-weight: 500;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  background: transparent;
}
.main-nav > li > a:hover {
  color: var(--text);
  background: rgba(43, 107, 255, 0.06);
}
.main-nav > li > a.active {
  color: var(--text);
  font-weight: 600;
  background: transparent;
}
.main-nav > li > a.active::before {
  content: "";
  width: 7px; height: 7px;
  background: var(--primary);
  transform: rotate(45deg);
  border-radius: 1px;
  flex-shrink: 0;
}
.main-nav .has-dropdown > a::after {
  content: "";
  width: 5px; height: 5px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  margin-top: -3px;
  opacity: 0.45;
}

.main-nav .dropdown {
  position: absolute; top: calc(100% + 10px); left: 50%;
  transform: translate(-50%, 6px);
  min-width: 188px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0; visibility: hidden;
  transition: all var(--transition);
}
@media (min-width: 1101px) {
  .main-nav li:hover .dropdown {
    opacity: 1; visibility: visible; transform: translate(-50%, 0);
  }
}
.dropdown a {
  display: block; padding: 9px 14px; color: var(--text);
  font-size: 0.8125rem; border-radius: 12px;
}
.dropdown a:hover { background: var(--accent-light); color: var(--primary); }
.nav-mobile-cta { display: none; }

.header-actions {
  display: flex; align-items: center; gap: 12px;
  justify-self: end;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 22px; border-radius: var(--radius-pill);
  font-size: 0.9375rem; font-weight: 600;
  border: none; cursor: pointer; transition: all var(--transition);
  font-family: inherit;
}
.btn-primary {
  background: linear-gradient(180deg, #4d8dff 0%, #2b6bff 100%);
  color: #fff;
  box-shadow: 0 8px 22px rgba(43, 107, 255, 0.38);
}
.btn-primary:hover {
  color: #fff;
  filter: brightness(1.06);
  transform: translateY(-1px);
}
.btn-outline,
.btn-secondary {
  background: rgba(255, 255, 255, 0.86);
  color: var(--text);
  border: 1px solid rgba(15, 27, 58, 0.08);
  box-shadow: 0 4px 16px rgba(20, 40, 90, 0.05);
}
.btn-outline:hover,
.btn-secondary:hover {
  color: var(--text);
  background: #fff;
  border-color: rgba(15, 27, 58, 0.14);
}
.btn-header {
  background: #fff;
  color: var(--text);
  padding: 10px 20px;
  font-size: 0.875rem;
  box-shadow: 0 8px 24px rgba(20, 40, 90, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.9);
}
.btn-header:hover { color: var(--text); transform: translateY(-1px); }
.btn-white { background: #fff; color: var(--primary); box-shadow: 0 8px 22px rgba(0, 0, 0, 0.1); }
.btn-white:hover { background: #f4f7ff; color: var(--primary-dark); }

.menu-toggle {
  display: none; background: #fff; border: 1px solid rgba(15, 27, 58, 0.08); cursor: pointer;
  width: 42px; height: 42px; flex-direction: column; justify-content: center; gap: 5px; padding: 11px;
  z-index: 1001; border-radius: 50%;
  box-shadow: 0 6px 18px rgba(20, 40, 90, 0.08);
}
.menu-toggle span { display: block; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); width: 100%; }
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Home hero */
.hero {
  position: relative;
  padding: 132px 0 72px;
  overflow: visible;
  background: transparent;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  width: min(var(--max-w), 92vw);
}
.hero-copy { max-width: 560px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px 6px 10px;
  border: 1px solid rgba(15, 27, 58, 0.12);
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  color: #4b5563;
  background: rgba(255, 255, 255, 0.45);
  margin-bottom: 22px;
}
.hero-badge svg { width: 16px; height: 16px; color: var(--primary); }
.hero h1 {
  font-size: clamp(1.75rem, 3.6vw, 2.85rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: #151515;
  margin-bottom: 18px;
}
.hero-highlight { color: var(--primary); }
.hero-lead {
  font-size: 1.0625rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.8;
  max-width: 480px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-actions .btn-primary { padding: 13px 26px; }

.hero-visual {
  position: relative;
  min-height: 420px;
}
.hero-window {
  position: relative;
  width: 92%;
  margin-left: auto;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.95);
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.hero-window-bar {
  display: flex; align-items: center; gap: 7px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.7);
}
.hero-window-bar .dot {
  width: 10px; height: 10px; border-radius: 50%;
}
.hero-window-bar .dot.red { background: #ff5f57; }
.hero-window-bar .dot.yellow { background: #febc2e; }
.hero-window-bar .dot.green { background: #28c840; }
.hero-window-tools { margin-left: auto; display: flex; gap: 8px; opacity: 0.35; }
.hero-window-tools span {
  width: 14px; height: 14px; border-radius: 4px;
  border: 1.5px solid #9aa3b2;
}
.hero-slides { position: relative; height: 320px; }
.hero-slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity 1s ease;
  background-size: cover; background-position: center;
}
.hero-slide.active { opacity: 1; }
.hero-dots {
  position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 8px; z-index: 3;
}
.hero-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.55);
  border: none; cursor: pointer; transition: var(--transition);
}
.hero-dot.active { background: #fff; width: 22px; border-radius: 5px; }

/* Page hero (inner pages) */
.page-hero {
  margin: 0 auto;
  padding: 132px 0 48px;
  background: transparent;
  color: var(--text);
  text-align: center;
}
.page-hero h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}
.page-hero p { color: var(--text-muted); max-width: 620px; margin: 0 auto; }
.breadcrumb { font-size: 0.875rem; color: var(--text-muted); margin-bottom: 14px; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }

.page-hero.has-photo {
  position: relative;
  width: min(var(--max-w), 92vw);
  margin: 108px auto 0;
  padding: 72px 48px 56px;
  border-radius: 32px;
  overflow: hidden;
  color: #fff;
  text-align: left;
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-lg);
  min-height: 240px;
}
.page-hero.has-photo::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(12, 24, 56, 0.62) 0%, rgba(43, 107, 255, 0.28) 100%);
}
.page-hero.has-photo .container { position: relative; z-index: 1; width: 100%; }
.page-hero.has-photo p { color: rgba(255, 255, 255, 0.88); margin: 0; }
.page-hero.has-photo .breadcrumb,
.page-hero.has-photo .breadcrumb a { color: rgba(255, 255, 255, 0.82); }

/* Sections */
section { padding: 80px 0; }
section.bg-alt { background: var(--bg-alt); }

.section-header { text-align: center; margin-bottom: 48px; }
.section-header h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--text);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}
.section-header p { color: var(--text-muted); max-width: 640px; margin: 0 auto; }
.section-header.left { text-align: left; }
.section-header.left p { margin: 0; }

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.stat-card {
  text-align: center; padding: 32px 20px;
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.8);
}
.stat-num { font-size: 2.75rem; font-weight: 800; color: var(--primary); line-height: 1; letter-spacing: -0.04em; }
.stat-num span { font-size: 1.5rem; }
.stat-label { font-size: 0.9375rem; color: var(--text-muted); margin-top: 8px; }

/* Cards grid */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.card {
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.85);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.card-img { aspect-ratio: 4/3; overflow: hidden; background: var(--bg-alt); flex-shrink: 0; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.card:hover .card-img img { transform: scale(1.05); }
.card-body {
  padding: 20px 24px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.card-body h3 { font-size: 1.0625rem; color: var(--text); margin-bottom: 8px; font-weight: 700; }
.card-body p { font-size: 0.875rem; color: var(--text-muted); margin-bottom: 16px; }
.card-link {
  font-size: 0.875rem; font-weight: 600; color: var(--accent);
  margin-top: auto;
}

/* FAQ */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.section-header.left + .faq-list,
.section-header.left ~ .faq-list { margin-left: 0; }
.faq-item {
  padding: 0 22px;
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 18px;
  box-shadow: 0 6px 20px rgba(20, 40, 90, 0.04);
}
.faq-item:last-child { border-bottom: 1px solid rgba(255, 255, 255, 0.85); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  user-select: none;
  transition: color var(--transition);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "";
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(45deg);
  transition: transform 0.25s ease;
  margin-top: -4px;
}
.faq-item[open] summary::after {
  transform: rotate(-135deg);
  margin-top: 4px;
}
.faq-item summary:hover { color: var(--accent); }
.faq-item p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0;
  padding: 0 0 18px;
}
.faq-item a { color: var(--accent); font-weight: 500; }

/* Feature row */
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.feature-row.reverse { direction: rtl; }
.feature-row.reverse > * { direction: ltr; }
.feature-img {
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg);
}
.feature-img img,
.feature-img video { width: 100%; display: block; }
.feature-video { position: relative; background: #000; }
.feature-video-player {
  width: 100%; aspect-ratio: 16 / 9; object-fit: cover;
  display: block; vertical-align: middle; background: #000;
}
.feature-video-play {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  border: none; cursor: pointer; background: rgba(12, 24, 56, 0.22);
  transition: opacity 0.25s ease, background 0.25s ease;
}
.feature-video-play:hover { background: rgba(12, 24, 56, 0.34); }
.feature-video-play-icon {
  width: 72px; height: 72px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.92); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  position: relative;
}
.feature-video-play-icon::after {
  content: "";
  position: absolute; top: 50%; left: 54%; transform: translate(-50%, -50%);
  border-style: solid; border-width: 14px 0 14px 22px;
  border-color: transparent transparent transparent var(--primary);
}
.feature-video.is-playing .feature-video-play {
  opacity: 0; pointer-events: none;
}
.feature-text h2 {
  font-size: 1.75rem; color: var(--text); margin-bottom: 16px;
  font-weight: 800; letter-spacing: -0.03em;
}
.feature-text p { color: var(--text-muted); margin-bottom: 16px; }

/* Capabilities */
.cap-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px; }
.cap-item {
  padding: 28px 24px;
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.85);
  box-shadow: var(--shadow);
  position: relative;
}
.cap-item h3 {
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 12px;
  font-weight: 700;
}
.cap-item h3::before {
  content: "";
  display: block;
  width: 3em;
  height: 3px;
  background: #dc2626;
  margin-bottom: 8px;
}
.cap-item p { font-size: 0.875rem; color: var(--text-muted); }

.cap-production { margin-top: 8px; align-items: stretch; }
.cap-production .sidebar {
  position: static;
  height: 0;
  min-height: 100%;
  align-self: stretch;
}
.cap-production .sidebar-nav {
  height: 100%;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}
.cap-production .sidebar-nav h4 { flex: 0 0 auto; }
.cap-production .sidebar-nav a {
  flex: 1 1 0;
  display: flex;
  align-items: center;
  padding-top: 0;
  padding-bottom: 0;
  min-height: 0;
}
.cap-stage { min-height: 0; display: flex; flex-direction: column; }
.cap-stage-frame {
  background: transparent;
  border-radius: var(--radius);
  box-shadow: none;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
  padding: 0;
}
.cap-stage-frame img {
  max-width: 100%;
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
  border-radius: var(--radius);
  transition: opacity 0.35s ease;
}
.cap-stage-frame img.is-fading { opacity: 0; }

/* About sections */
.about-nav {
  position: sticky; top: var(--header-h); z-index: 100;
  background: rgba(247, 250, 255, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0;
  overflow-x: auto;
}
.about-nav-inner { display: flex; gap: 4px; white-space: nowrap; }
.about-nav a {
  display: block; padding: 16px 18px; font-size: 0.9375rem; font-weight: 500;
  color: var(--text-muted); border-bottom: 2px solid transparent;
}
.about-nav a:hover, .about-nav a.active { color: var(--primary); border-bottom-color: var(--primary); }

.about-block { padding: 64px 0; scroll-margin-top: calc(var(--header-h) + 56px); }
.about-block h2 {
  font-size: 1.75rem; color: var(--text); margin-bottom: 20px;
  font-weight: 800; letter-spacing: -0.03em;
}
.about-block h3 { font-size: 1.125rem; color: var(--text); margin: 24px 0 12px; }

.sustain-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 32px; }
.sustain-card {
  padding: 28px;
  background: var(--glass);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.85);
  box-shadow: var(--shadow);
}
.sustain-card h3 { font-size: 1.0625rem; color: var(--text); margin-bottom: 12px; }
.sustain-card p { font-size: 0.9375rem; color: var(--text-muted); }

.presence-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.presence-card {
  padding: 24px;
  background: var(--glass);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.85);
  transition: border-color var(--transition), transform var(--transition);
  text-align: center;
}
.presence-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.presence-card h3 { font-size: 1rem; color: var(--text); margin-bottom: 8px; }
.presence-card p { font-size: 0.875rem; color: var(--text-muted); }

.apps-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 32px; }
.app-card {
  padding: 28px;
  background: var(--glass);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.85);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.app-card-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
  flex: 1;
  height: 100%;
}
.app-card-body h3 { font-size: 1.125rem; color: var(--text); margin: 0; font-weight: 700; }
.app-card-body p { font-size: 0.9375rem; color: var(--text-muted); margin: 0; flex: 1; }
.app-card-body .btn { align-self: flex-start; margin-top: auto; }
.app-card-with-media {
  position: relative;
  padding-right: 148px;
  height: 100%;
}
.app-card-preview {
  position: absolute;
  top: 28px;
  right: 28px;
  bottom: 28px;
  width: auto;
  max-width: 108px;
  max-height: calc(100% - 56px);
  height: auto;
  margin: auto 0;
  object-fit: contain;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(15, 27, 58, 0.12);
}

/* News */
.news-list { display: flex; flex-direction: column; gap: 20px; }
.news-item {
  display: grid; grid-template-columns: 200px 1fr; gap: 24px;
  padding: 20px;
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.85);
  transition: box-shadow var(--transition), transform var(--transition);
}
.news-item:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.news-item img { border-radius: var(--radius-sm); aspect-ratio: 16/10; object-fit: cover; width: 100%; }
.news-meta { font-size: 0.8125rem; color: var(--text-muted); margin-bottom: 8px; }
.news-item h3 { font-size: 1.125rem; color: var(--text); margin-bottom: 8px; }
.news-item p { font-size: 0.9375rem; color: var(--text-muted); }

/* Material trend table */
.trend-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.85);
  background: var(--glass);
  box-shadow: var(--shadow);
}
.trend-table { width: 100%; border-collapse: collapse; font-size: 0.9375rem; }
.trend-table th, .trend-table td { padding: 14px 20px; text-align: left; border-bottom: 1px solid var(--border); }
.trend-table th {
  background: var(--primary); color: #fff; font-weight: 600;
}
.trend-table tr:last-child td { border-bottom: none; }
.trend-table tr:nth-child(even) { background: rgba(43, 107, 255, 0.04); }

/* Contact form */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; }
.contact-info h3 { font-size: 1.25rem; color: var(--text); margin-bottom: 24px; }
.contact-item { display: flex; gap: 16px; margin-bottom: 24px; }
.contact-icon {
  width: 44px; height: 44px; border-radius: 50%; background: var(--accent-light);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  color: var(--accent); font-size: 1.125rem;
}
.contact-item strong { display: block; color: var(--text); margin-bottom: 4px; }
.contact-item span { font-size: 0.9375rem; color: var(--text-muted); }
.contact-item span a {
  color: var(--primary);
  text-decoration: none;
}
.contact-item span a:hover { text-decoration: underline; }

.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 6px; color: var(--text); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 16px; border: 1px solid var(--border);
  border-radius: 14px; font-size: 0.9375rem; font-family: inherit;
  background: rgba(255, 255, 255, 0.8);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus, .form-group textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-light);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* Product detail */
.product-layout { display: grid; grid-template-columns: 1fr 1.4fr; gap: 48px; align-items: start; }
.product-gallery img { border-radius: var(--radius); box-shadow: var(--shadow); }
.product-info h1 { font-size: 1.75rem; color: var(--text); margin-bottom: 16px; font-weight: 800; }
.product-info .desc { color: var(--text-muted); margin-bottom: 24px; }
.product-tabs { margin-top: 48px; }
.tab-nav { display: flex; gap: 0; border-bottom: 2px solid var(--border); margin-bottom: 24px; }
.tab-nav button {
  padding: 12px 24px; background: none; border: none; cursor: pointer;
  font-size: 0.9375rem; font-weight: 500; color: var(--text-muted);
  border-bottom: 2px solid transparent; margin-bottom: -2px;
  font-family: inherit;
}
.tab-nav button.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.page-with-sidebar { display: grid; grid-template-columns: 240px 1fr; gap: 40px; align-items: start; }

.product-center-section { padding-top: 48px; }
.product-panel[hidden] { display: none !important; }
.product-panel.active { display: block; animation: productFade 0.35s ease; }
.product-list { color: var(--text-muted); padding-left: 20px; margin: 16px 0 24px; }
.product-list li { margin-bottom: 8px; }
.product-info h2 { font-size: 1.5rem; color: var(--text); margin-bottom: 16px; font-weight: 800; }

.materials-intro {
  color: var(--text-muted);
  font-size: 0.9875rem;
  line-height: 1.8;
  padding: 20px 24px;
  background: var(--glass);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.85);
}
.materials-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); align-items: stretch; }
.product-panels { min-width: 0; }
.material-card { display: flex; flex-direction: column; height: 100%; }
.material-card .card-body { display: flex; flex-direction: column; flex: 1; }
.material-card .card-body p { flex: 1; margin-bottom: 16px; }
.material-card .btn {
  align-self: flex-start;
  margin-top: auto;
  padding: 8px 18px;
  font-size: 0.875rem;
}

.page-hero.hero-flash { animation: heroPulse 0.45s ease; }

@keyframes productFade {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes heroPulse {
  from { opacity: 0.72; }
  to { opacity: 1; }
}

.sidebar { position: sticky; top: calc(var(--header-h) + 24px); }
.sidebar-nav {
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.85);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.sidebar-nav h4 { padding: 16px 20px; background: var(--primary); color: #fff; font-size: 0.9375rem; }
.sidebar-nav a {
  display: block; padding: 12px 20px; font-size: 0.875rem; color: var(--text);
  border-bottom: 1px solid var(--border); cursor: pointer;
}
.sidebar-nav a:last-child { border-bottom: none; }
.sidebar-nav a:hover, .sidebar-nav a.active { background: var(--accent-light); color: var(--accent); }

/* CTA band */
.cta-band {
  background: transparent;
  color: #fff;
  text-align: center;
  padding: 24px 0 80px;
}
.cta-band .container {
  background: linear-gradient(135deg, #3b7bff 0%, #2b6bff 55%, #5aa0ff 100%);
  border-radius: 32px;
  padding: 64px 40px;
  box-shadow: 0 24px 50px rgba(43, 107, 255, 0.28);
}
.cta-band h2 { font-size: 1.75rem; margin-bottom: 12px; font-weight: 800; letter-spacing: -0.03em; }
.cta-band p { opacity: 0.92; margin-bottom: 28px; }

/* Footer */
.site-footer {
  background: transparent;
  color: var(--text-muted);
  padding: 48px 0 0;
  border-top: 1px solid var(--border);
}
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 40px; margin-bottom: 40px; }
.footer-brand img { height: 26px; margin-bottom: 16px; filter: none; }
.footer-brand p { font-size: 0.875rem; line-height: 1.8; }
.footer-social { display: flex; align-items: center; gap: 10px; margin-top: 20px; }
.footer-social a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.8);
  color: #6b7280;
  box-shadow: 0 4px 14px rgba(20, 40, 90, 0.06);
  transition: background 0.2s ease, transform 0.2s ease, color 0.2s ease;
}
.footer-social a:hover { background: #fff; color: var(--primary); transform: translateY(-2px); }
.footer-social svg { width: 16px; height: 16px; fill: currentColor; }
.footer-col h4 { color: var(--text); font-size: 0.9375rem; margin-bottom: 16px; }
.footer-col a { display: block; font-size: 0.875rem; color: var(--text-muted); margin-bottom: 10px; }
.footer-col a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid var(--border); padding: 20px 0;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.8125rem;
}
.footer-bottom a { color: var(--text-muted); }
.footer-legal {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.footer-dot {
  width: 3px; height: 3px; border-radius: 50%;
  background: currentColor; opacity: 0.45;
  flex-shrink: 0;
}

/* Legal pages (privacy / terms) */
.legal-hero {
  padding: 118px 0 20px;
  text-align: left;
}
.legal-wrap { width: min(720px, 92vw); margin: 0 auto; }
.legal-hero .breadcrumb { margin-bottom: 18px; }
.legal-tabs {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 4px;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-pill);
  box-shadow: 0 6px 20px rgba(20, 40, 90, 0.06);
  margin-bottom: 22px;
}
.legal-tabs a {
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
}
.legal-tabs a:hover { color: var(--text); }
.legal-tabs a.active {
  background: #fff;
  color: var(--text);
  font-weight: 600;
  box-shadow: 0 2px 10px rgba(20, 40, 90, 0.08);
}
.legal-hero h1 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 6px;
  color: var(--text);
}
.legal-updated {
  font-size: 0.8125rem;
  color: var(--text-muted);
}
.legal-section { padding: 8px 0 72px; }
.legal-doc {
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 8px 32px 12px;
}
.legal-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.legal-item:last-child { border-bottom: none; }
.legal-item h2 {
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--text);
  margin: 0 0 8px;
}
.legal-item p {
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--text-muted);
  margin: 0;
}
.legal-item a { font-weight: 500; }

@media (max-width: 768px) {
  .legal-doc { padding: 4px 20px 8px; border-radius: 18px; }
  .legal-hero h1 { font-size: 1.35rem; }
}

/* News article */
a.news-item { color: inherit; }
a.news-item:hover h3 { color: var(--primary); }
.article-hero {
  padding: 118px 0 28px;
  text-align: left;
}
.article-wrap { width: min(760px, 92vw); margin: 0 auto; }
.article-hero h1 {
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.35;
  margin: 0 0 8px;
  color: var(--text);
}
.article-hero .article-en {
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  line-height: 1.5;
}
.article-meta {
  font-size: 0.8125rem;
  color: var(--text-muted);
}
.article-section { padding: 8px 0 72px; }
.article-body {
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 36px 40px 40px;
}
.article-body h2 {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 28px 0 12px;
}
.article-body h2:first-child { margin-top: 0; }
.article-body p {
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--text-muted);
  margin: 0 0 18px;
}
.article-body p:last-child { margin-bottom: 0; }
.article-body ul {
  margin: 0 0 18px;
  padding-left: 1.25em;
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.85;
}
.article-body li { margin-bottom: 4px; }
.coating-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
  gap: 12px;
  margin: 8px 0 24px;
}
.coating-card {
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(20, 40, 90, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.85);
  color: inherit;
  text-decoration: none;
}
.coating-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
}
.coating-card span {
  display: block;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text);
  padding: 8px 6px 10px;
  line-height: 1.3;
}
.facility-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  margin: 8px 0 24px;
}
.facility-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(20, 40, 90, 0.06);
}
.article-figure-scroll { overflow-x: auto; margin: 8px 0 24px; }
.article-figure-scroll img {
  min-width: 640px;
  width: 100%;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(20, 40, 90, 0.06);
}
.article-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 8px 0 24px;
}
.article-pair .article-figure { margin: 0; }
.article-formula {
  background: rgba(43, 107, 255, 0.04);
  border-radius: 14px;
  padding: 16px 20px;
  margin: 0 0 18px;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--text);
  overflow-x: auto;
}
.article-formula p { margin: 0 0 6px; color: var(--text); }
.article-formula p:last-child { margin-bottom: 0; }
.article-figure {
  margin: 8px 0 24px;
}
.article-figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(20, 40, 90, 0.06);
}
.article-figure.is-wide {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.article-figure.is-wide img { min-width: 680px; }
.article-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 8px 0 24px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.85);
  background: #fff;
  box-shadow: var(--shadow);
}
.article-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.8125rem;
}
.article-table th,
.article-table td {
  padding: 10px 12px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.article-table th:first-child,
.article-table td:first-child {
  text-align: left;
  font-weight: 600;
  white-space: normal;
}
.article-table th {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
}
.article-table tr:nth-child(even) { background: rgba(43, 107, 255, 0.04); }
.article-table tr:last-child td { border-bottom: none; }
.article-note {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: -8px 0 24px;
}
.article-body ol {
  margin: 0 0 18px;
  padding-left: 1.25em;
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.85;
}
.article-body ol li { margin-bottom: 6px; }
.pin-swatch {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
}
.article-figure figcaption {
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 10px;
  line-height: 1.5;
}
.article-cta {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.article-source {
  margin-top: 28px;
  padding: 14px 16px;
  font-size: 0.875rem;
  color: var(--text-muted);
  background: rgba(15, 27, 58, 0.03);
  border-radius: 12px;
}
.article-source a { font-weight: 600; }
@media (max-width: 768px) {
  .article-body { padding: 24px 20px 28px; border-radius: 18px; }
  .facility-grid { grid-template-columns: 1fr; }
  .article-pair { grid-template-columns: 1fr; }
}

/* Language switcher */
.lang-switcher {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10040;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 6px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-right: none;
  border-radius: 14px 0 0 14px;
  box-shadow: -4px 8px 28px rgba(20, 40, 90, 0.12);
}
.lang-switcher-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  min-height: 34px;
  padding: 6px 10px;
  border: none;
  border-radius: 10px;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  font-family: inherit;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
.lang-switcher-btn:hover {
  background: rgba(43, 107, 255, 0.08);
  color: var(--primary);
}
.lang-switcher-btn.is-active {
  background: linear-gradient(180deg, #4d8dff 0%, #2b6bff 100%);
  color: #fff;
  box-shadow: 0 4px 12px rgba(43, 107, 255, 0.28);
}

/* Utilities */
.text-center { text-align: center; }
.mt-16 { margin-top: 16px; }
.mt-32 { margin-top: 32px; }
.mb-48 { margin-bottom: 48px; }

/* Responsive */
@media (max-width: 1100px) {
  .header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    gap: 10px;
  }
  .header-spacer { display: none; }
  .header-actions { display: none; }
  .header-actions .btn-header { padding: 8px 14px; font-size: 0.8125rem; }
  .menu-toggle {
    display: flex !important;
    position: fixed;
    top: 24px;
    right: 16px;
    width: 44px;
    height: 44px;
    margin-left: 0;
    z-index: 10050;
  }
  .header-inner:not(:has(.main-nav)) .header-actions { display: flex; }

  .main-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 0; right: 0;
    width: auto;
    background: rgba(255, 255, 255, 0.96);
    flex-direction: column;
    align-items: stretch;
    padding: 0;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    border-radius: 22px;
    border: 1px solid rgba(255, 255, 255, 0.9);
    box-shadow: var(--shadow-lg);
    transition: max-height 0.35s ease, opacity 0.25s ease, visibility 0.25s ease, padding 0.25s ease;
    z-index: 999;
  }
  .main-nav.open {
    max-height: min(80vh, 640px);
    overflow-x: hidden;
    overflow-y: auto;
    opacity: 1;
    visibility: visible;
    padding: 10px;
  }
  .main-nav > li > a {
    display: flex;
    width: 100%;
    justify-content: space-between;
    padding: 12px 16px;
    border-radius: 14px;
  }
  .main-nav .has-dropdown > a::after {
    margin-left: auto;
    margin-top: 0;
  }
  .main-nav .has-dropdown.open > a {
    background: rgba(43, 107, 255, 0.08);
    color: var(--text);
  }
  .main-nav .has-dropdown.open > a::after {
    transform: rotate(-135deg);
    margin-top: 4px;
    opacity: 0.7;
  }
  .main-nav .dropdown {
    position: static;
    left: auto;
    transform: none !important;
    box-shadow: none;
    border: none;
    border-radius: 12px;
    padding: 0;
    min-width: 0;
    width: 100%;
    display: none;
    opacity: 1;
    visibility: visible;
    background: rgba(43, 107, 255, 0.04);
  }
  .main-nav .has-dropdown.open > .dropdown {
    display: block;
    padding: 4px 0 6px;
  }
  .main-nav .dropdown a { padding: 10px 16px 10px 28px; }
  .main-nav .nav-mobile-cta { display: none; }
  .main-nav.open .nav-mobile-cta { display: block; }
  .main-nav .nav-mobile-cta a {
    justify-content: center;
    margin: 6px 4px 2px;
    background: linear-gradient(180deg, #4d8dff 0%, #2b6bff 100%);
    color: #fff !important;
    font-weight: 600;
  }
  .main-nav .nav-mobile-cta a:hover { color: #fff !important; }
}

@media (max-width: 992px) {
  .hero-grid,
  .feature-row,
  .contact-grid,
  .product-layout,
  .page-with-sidebar { grid-template-columns: 1fr; }
  .feature-row.reverse { direction: ltr; }
  .stats-grid { grid-template-columns: 1fr; gap: 16px; }
  .sustain-grid,
  .apps-grid { grid-template-columns: 1fr; }
  .app-card-with-media { padding-right: 28px; }
  .app-card-preview {
    position: static;
    display: block;
    max-width: 140px;
    max-height: 260px;
    margin: 0 auto;
  }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .news-item { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .hero { padding: 108px 0 56px; }
  .hero-visual { min-height: 360px; }
  .hero-window { width: 100%; }
  .page-hero.has-photo {
    width: calc(100% - 32px);
    max-width: 100%;
    padding: 56px 24px 40px;
    margin-top: 100px;
  }
  .page-with-sidebar > .sidebar,
  .page-with-sidebar > .product-panels,
  .page-with-sidebar > .cap-stage {
    min-width: 0;
    max-width: 100%;
  }
  .product-center-section .sidebar { width: 100%; }
  .cap-production .sidebar { height: auto; min-height: 0; }
  .cap-production .sidebar-nav { height: auto; }
  .cap-production .sidebar-nav a {
    flex: 0 0 auto;
    padding-top: 12px;
    padding-bottom: 12px;
  }
  .sidebar-nav {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    scroll-padding-inline: 8px;
  }
  .sidebar-nav::-webkit-scrollbar { display: none; }
  .sidebar-nav h4 { display: none; }
  .sidebar-nav a {
    flex: 0 0 auto;
    border-bottom: none;
    border-right: 1px solid var(--border);
    white-space: nowrap;
    padding: 12px 16px;
    font-size: 0.8125rem;
  }
  .sidebar-nav a:last-child { border-right: none; }
}

@media (max-width: 768px) {
  body { background-attachment: scroll; overflow-x: hidden; }
  .site-header { overflow: visible; }
  .header-inner { position: relative; }
  section { padding: 56px 0; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .hero h1 { font-size: 1.75rem; }
  .cta-band .container { padding: 48px 24px; border-radius: 24px; }

  .page-hero.has-photo {
    width: calc(100% - 32px);
    padding: 44px 20px 36px;
    margin-top: 88px;
    border-radius: 22px;
    min-height: auto;
  }
  .page-hero.has-photo h1 {
    font-size: clamp(1.5rem, 6vw, 1.85rem);
    line-height: 1.25;
    overflow-wrap: anywhere;
  }
  .page-hero.has-photo p,
  .page-hero.has-photo .breadcrumb {
    font-size: 0.875rem;
    line-height: 1.65;
    overflow-wrap: anywhere;
  }

  .product-center-section { padding-top: 28px; }
  .product-center-section > .container {
    width: 100%;
    padding-inline: 16px;
  }
  .product-center-section .page-with-sidebar { gap: 20px; }
  .materials-intro {
    padding: 16px 18px;
    font-size: 0.9375rem;
    line-height: 1.75;
    overflow-wrap: anywhere;
  }
  .materials-grid,
  .product-panels .card-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .product-layout { gap: 28px; }

  .lang-switcher {
    padding: 6px 4px;
    gap: 2px;
    border-radius: 12px 0 0 12px;
  }
  .lang-switcher-btn {
    min-width: 36px;
    min-height: 30px;
    padding: 4px 8px;
    font-size: 0.6875rem;
  }
}