/* ===== Local fonts ===== */
@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/plus-jakarta-sans-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/plus-jakarta-sans-500.woff2') format('woff2');
}
@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/plus-jakarta-sans-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/plus-jakarta-sans-700.woff2') format('woff2');
}
@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url('../fonts/plus-jakarta-sans-800.woff2') format('woff2');
}

/* ===== Variables ===== */
:root {
  --primary: #4a9eff;
  --primary-dark: #3288eb;
  --primary-light: #eaf4ff;
  --primary-glow: rgba(74, 158, 255, 0.35);
  --gradient: linear-gradient(135deg, #4a9eff 0%, #3a92f5 50%, #2e80eb 100%);
  --gradient-soft: linear-gradient(135deg, rgba(74, 158, 255, 0.12) 0%, rgba(74, 158, 255, 0.04) 100%);
  --gradient-hero: linear-gradient(180deg, #d8eeff 0%, #eaf4ff 22%, #f0f8ff 55%, #f6fbff 82%, #fff 100%);
  --hero-surface: #f8fbff;
  --text: #1a2332;
  --text-muted: #5f7389;
  --text-light: #8aa3bb;
  --bg: #fff;
  --white: #fff;
  --border: #e8eef4;
  --shadow: 0 4px 24px rgba(26, 35, 50, 0.06);
  --shadow-lg: 0 12px 48px rgba(26, 35, 50, 0.1);
  --radius: 16px;
  --radius-lg: 24px;
  --header-h: 72px;
  --font: 'Plus Jakarta Sans', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  /* 参考 mo007：百分比内容宽 + 响应式左右间距 */
  --limit-content-width: 80%;
  --limit-content-lr-padding: 0px;
  --header-margin-row: 40px;
  /* 横向轮播 viewport 底部留白，避免裁切卡片 hover 阴影 */
  --carousel-shadow-pad: 20px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: auto; }
body {
  font-family: var(--font);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}
.i18n-suggest {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1200;
  background: #111;
  color: #fff;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.18);
}
.i18n-suggest-inner {
  width: min(100%, 1280px);
  margin: 0 auto;
  padding: 18px 28px;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.i18n-suggest-text {
  margin: 0;
  flex: 1 1 auto;
  font-size: 0.98rem;
  line-height: 1.55;
  color: #fff;
}
.i18n-suggest-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 14px;
  flex: 0 0 auto;
}
.i18n-suggest-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 112px;
  min-height: 42px;
  padding: 0 20px;
  border-radius: 4px;
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition);
}
.i18n-suggest-btn--ghost {
  border: 1px solid #f5c518;
  background: transparent;
  color: #f5c518;
}
.i18n-suggest-btn--ghost:hover {
  background: rgba(245, 197, 24, 0.12);
}
.i18n-suggest-btn--primary {
  border: 1px solid #f5c518;
  background: #f5c518;
  color: #111;
}
.i18n-suggest-btn--primary:hover {
  background: #ffcf2e;
  border-color: #ffcf2e;
  color: #111;
}
body.has-i18n-suggest {
  padding-bottom: 88px;
}
@media (max-width: 768px) {
  .i18n-suggest-inner {
    flex-direction: column;
    align-items: stretch;
    padding: 16px 18px;
    min-height: 0;
  }
  .i18n-suggest-actions {
    width: 100%;
  }
  .i18n-suggest-btn {
    flex: 1 1 0;
    min-width: 0;
  }
  body.has-i18n-suggest {
    padding-bottom: 148px;
  }
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container {
  width: 100%;
  max-width: var(--limit-content-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--limit-content-lr-padding);
  padding-right: var(--limit-content-lr-padding);
}

@media (max-width: 749.98px) {
  :root {
    --limit-content-width: 100%;
    --limit-content-lr-padding: 20px;
    --header-margin-row: 20px;
  }
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: transparent;
  border-bottom: 1px solid transparent;
  box-shadow: none;
  transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease, backdrop-filter 0.35s ease;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(12px);
  /* border-bottom-color: rgba(232, 238, 244, 0.8);
  box-shadow: var(--shadow); */
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: auto;
  max-width: none;
  height: var(--header-h);
  margin-left: var(--header-margin-row);
  margin-right: var(--header-margin-row);
  padding-left: 0;
  padding-right: 0;
  gap: 24px;
}
.logo img { height: 30px; width: auto; }
.main-nav { flex: 1; display: flex; justify-content: center; }
.nav-list { display: flex; gap: 8px; align-items: center; }
.nav-item { position: relative; }
.nav-item.has-dropdown::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 20px;
  z-index: 1099;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 8px;
  transition: var(--transition);
  background: transparent;
}
.nav-link:hover {
  color: var(--primary);
  background: transparent;
}
.nav-link.active {
  color: var(--primary);
  background: transparent;
  font-weight: 500;
}
.has-dropdown > .nav-link::after {
  content: '';
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
  transition: transform 0.25s ease;
  opacity: 0.7;
}
.has-dropdown.open:not(.is-dismissed) > .nav-link::after,
.has-dropdown:hover:not(.is-dismissed) > .nav-link::after {
  transform: rotate(225deg) translateY(-1px);
}
.nav-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 50%;
  min-width: 180px;
  padding: 8px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 16px 40px rgba(26, 35, 50, 0.12);
  backdrop-filter: blur(12px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(-50%);
  transition: opacity 0.18s ease, visibility 0.18s ease;
  z-index: 1100;
}
.has-dropdown:hover:not(.is-dismissed) > .nav-dropdown,
.has-dropdown.open:not(.is-dismissed) > .nav-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.nav-dropdown-link {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
  white-space: nowrap;
}
.nav-dropdown-link:hover,
.nav-dropdown-link.active {
  color: var(--primary);
  background: var(--primary-light);
}
.header-actions { display: flex; align-items: center; gap: 12px; }
.header-search {
  display: flex;
  align-items: center;
  gap: 10px;
  width: min(320px, 28vw);
  min-width: 200px;
  height: 42px;
  padding: 0 16px;
  background: rgba(255, 255, 255, 0.4);
  border: 1px solid rgba(17, 16, 26, 0.2);
  border-radius: 999px;
}
.header-search:focus-within {
  /* background: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(74, 158, 255, 0.15); */
}
.header-search-icon {
  color: #424242;
  flex-shrink: 0;
}
.header-search-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  color: inherit;
}
.header-search-submit:hover .header-search-icon {
  color: var(--primary-dark, #009bdf);
}
.header-search-input {
  width: 100%;
  min-width: 0;
  border: none;
  outline: none;
  background: transparent;
  font: inherit;
  font-size: 0.88rem;
  color: var(--text);
}
.header-search-input::placeholder {
  color: #999;
}
.lang-switch {
  position: relative;
  display: flex;
  align-items: center;
}
.lang-switch::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 12px;
}
.lang-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 4px;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1;
  border-radius: 8px;
  transition: color var(--transition);
}
.lang-trigger:hover { color: var(--primary); }
.lang-globe,
.lang-caret {
  display: block;
  flex-shrink: 0;
}
.lang-current {
  white-space: nowrap;
}
.lang-caret {
  opacity: 0.7;
  transition: transform 0.2s ease;
}
.lang-switch:hover:not(.is-dismissed) .lang-caret,
.lang-switch.is-open:not(.is-dismissed) .lang-caret {
  transform: rotate(180deg);
}
.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 128px;
  padding: 6px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 12px 28px rgba(26, 35, 50, 0.12);
  z-index: 1200;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(4px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
}
.lang-switch:hover:not(.is-dismissed) .lang-menu,
.lang-switch.is-open:not(.is-dismissed) .lang-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}
.lang-option {
  display: block;
  width: 100%;
  padding: 10px 12px;
  border: 0;
  background: transparent;
  cursor: pointer;
  border-radius: 8px;
  text-align: left;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
  text-decoration: none;
}
.lang-option:hover,
.lang-option.is-active {
  color: var(--primary);
  background: var(--primary-light);
}
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 36px; height: 36px;
  justify-content: center;
  align-items: center;
}
.mobile-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}
.mobile-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle.open span:nth-child(2) { opacity: 0; }
.mobile-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  padding: calc(var(--header-h) + 24px) 0 0;
  overflow: hidden;
  box-sizing: border-box;
  background:
    radial-gradient(ellipse 90% 70% at 8% 0%, rgba(74, 158, 255, 0.28) 0%, transparent 58%),
    radial-gradient(ellipse 55% 45% at 92% 18%, rgba(74, 158, 255, 0.1) 0%, transparent 52%),
    var(--gradient-hero);
    /* background:
    var(--gradient-hero); */
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  flex: 1 1 auto;
  min-height: 0;
  position: relative;
  z-index: 1;
}
.hero-content {
  position: relative;
}
.page-home .hero-content,
.page-home .hero-visual {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.page-home.page-home-ready .hero-content,
.page-home.page-home-ready .hero-visual {
  opacity: 1;
  transform: translateY(0);
}
.page-home.page-home-ready .hero-visual {
  transition-delay: 0.14s;
}
.hero-carousel {
  position: relative;
  min-height: 260px;
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease, visibility 0.6s;
}
.hero-slide.active {
  position: relative;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.hero-slide.exit {
  opacity: 0;
  transform: translateY(-16px);
}
.hero-tag {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.hero-tag:empty,
.hero-desc:empty {
  display: none;
}
.hero-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero-title-accent { color: var(--primary); }
.hero-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 480px;
  margin-bottom: 28px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-actions:empty { display: none; }
.btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 30px;
  transition: var(--transition);
}
.btn-primary {
  background: var(--gradient);
  color: var(--white);
  box-shadow: 0 4px 16px var(--primary-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px var(--primary-glow); }
.btn-outline {
  background: rgba(255, 255, 255, 0.35);
  color: var(--text);
  border: 1px solid rgba(95, 115, 137, 0.25);
  backdrop-filter: blur(4px);
}
.btn-outline:hover {
  border-color: rgba(74, 158, 255, 0.45);
  color: var(--primary);
  background: rgba(255, 255, 255, 0.5);
}
.hero-dots {
  position: absolute;
  left: clamp(12px, 1.6vw, 24px);
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
  background: transparent;
}
.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(74, 158, 255, 0.25);
  transition: var(--transition);
  cursor: pointer;
  border: none;
  padding: 0;
}
.hero-dot.active {
  background: var(--primary);
  transform: scale(1.2);
}
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: auto;
}
.hero-image-wrap {
  position: relative;
  will-change: transform;
  width: min(100%, 480px);
  aspect-ratio: 4 / 3;
}
.hero-image {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  border-radius: 0;
  box-shadow: none;
  background: transparent;
  transform-origin: center center;
  animation: heroSpin 8s ease-in-out infinite;
}
.hero-image.is-hidden {
  visibility: hidden;
  position: absolute;
  inset: 0;
  animation: none;
}
.hero-image-wrap.hero-3d-pending .hero-image--fallback {
  visibility: hidden;
  opacity: 0;
  position: absolute;
  inset: 0;
  pointer-events: none;
  animation: none;
}
.hero-virus-canvas {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  display: block;
  opacity: 0;
  visibility: hidden;
  cursor: grab;
  touch-action: none;
  pointer-events: none;
  transition: opacity 0.18s ease;
}
.hero-virus-canvas.is-ready {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.hero-virus-canvas:active {
  cursor: grabbing;
}
.hero-float-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 12px;
  padding: 12px 16px;
  box-shadow: 0 8px 32px rgba(26, 35, 50, 0.08);
  animation: cardFloat 5s ease-in-out infinite;
  backdrop-filter: blur(8px);
}
.hero-float-card--chart { top: 10%; right: -5%; animation-delay: -1s; }
.hero-float-card--bar { bottom: 15%; left: -5%; animation-delay: -2.5s; }
.mini-chart { display: flex; align-items: center; gap: 8px; }
.mini-chart svg { width: 48px; height: 48px; }
.mini-chart span { font-weight: 700; font-size: 0.9rem; color: var(--primary); }
.bar-value { font-weight: 700; font-size: 1.1rem; display: block; margin-bottom: 6px; }
.mini-bars { display: flex; gap: 4px; align-items: flex-end; height: 32px; }
.mini-bars span { width: 8px; background: var(--gradient); border-radius: 4px 4px 0 0; }

@keyframes heroSpin {
  0% {
    transform: rotate(0deg) scale(0.85);
  }
  50% {
    transform: rotate(10deg) scale(1);
  }
  100% {
    transform: rotate(0deg) scale(0.85);
  }
}
@keyframes cardFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ===== Process strip ===== */
.process-strip {
  margin-top: auto;
  flex-shrink: 0;
  padding: 8px 0 20px;
  background: transparent;
  border: none;
}
.process-strip-inner {
  width: 100%;
}
.process-viewport {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 3%, #000 97%, transparent);
}
.process-scroll {
  display: flex;
  width: max-content;
  animation: processScroll 40s linear infinite;
}
.process-strip:hover .process-scroll { animation-play-state: paused; }
.process-track {
  display: flex;
  gap: 52px;
  flex-shrink: 0;
}
.process-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  flex: 0 0 148px;
  width: 148px;
  min-width: 148px;
  text-align: center;
}
.process-reveal .process-item:not([aria-hidden="true"]) {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1), transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}
.process-reveal.is-visible .process-item:not([aria-hidden="true"]) {
  opacity: 1;
  transform: translateY(0);
}
.process-reveal.is-visible .process-item:nth-child(2) { transition-delay: 0.06s; }
.process-reveal.is-visible .process-item:nth-child(3) { transition-delay: 0.12s; }
.process-reveal.is-visible .process-item:nth-child(4) { transition-delay: 0.18s; }
.process-reveal.is-visible .process-item:nth-child(5) { transition-delay: 0.24s; }
.process-reveal.is-visible .process-item:nth-child(6) { transition-delay: 0.3s; }
.process-reveal.is-visible .process-item:nth-child(7) { transition-delay: 0.36s; }
.process-reveal.is-visible .process-item:nth-child(8) { transition-delay: 0.42s; }
.process-reveal.is-visible .process-item:nth-child(9) { transition-delay: 0.48s; }
.process-icon {
  position: relative;
  z-index: 1;
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: transparent;
  border: none;
  border-radius: 0;
  flex-shrink: 0;
}
.process-icon img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  display: block;
}
.process-item span {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  max-width: 148px;
  line-height: 1.35;
  white-space: pre-line;
}
@keyframes processScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===== Sections ===== */
.section { padding: 80px 0; }
.section-header { margin-bottom: 48px; }
.section-title {
  display: flex;
  flex-direction: column;
  font-weight: 500;
  color: #000;
  line-height: 1.2;
}
.section-title-line {
  display: block;
  font-size: clamp(32px, 2.6vw, 52px);
  font-weight: 500;
  letter-spacing: -0.02em;
}
.section-title-spacer { height: 20px; }
.section-title-spacer--lg { height: 30px; }
.section-subtitle {
  font-size: clamp(14px, 0.9vw, 18px);
  font-weight: 400;
  line-height: 1.5;
  color: #475467;
}
.section-subtitle-line {
  display: block;
  line-height: 1.25;
}
.reveal-block-wrap {
  overflow: hidden;
}
.enter-block {
  opacity: 0;
  transform: translate3d(0, 5vw, 0);
  transition:
    opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1) var(--enter-delay, 0s),
    transform 0.9s cubic-bezier(0.215, 0.61, 0.355, 1) var(--enter-delay, 0s);
  will-change: opacity, transform;
}
.enter-block.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}
.enter-block.is-visible.is-instant {
  transition: none;
}
.section-header--tech .section-subtitle { max-width: 36em; }

.section-header--contact .section-subtitle {
  font-size: clamp(15px, 1vw, 20px);
  color: rgba(32, 32, 37, 0.7);
  margin-top: 4px;
}
@media (max-width: 749.98px) {
  .section-title-line { font-size: clamp(30px, 7.8vw, 42px); }
  .section-subtitle { font-size: 15px; }
  .section-title-spacer--lg { height: 24px; }
}

/* ===== Featured Products ===== */
.featured-section {
  background: var(--bg);
  padding-top: clamp(56px, 5vw, 80px);
  padding-bottom: clamp(48px, 4vw, 64px);
}
.featured-carousel {
  position: relative;
}
.featured-viewport {
  position: relative;
  overflow: hidden;
  width: 100%;
  padding-bottom: var(--carousel-shadow-pad);
}
.featured-track {
  display: flex;
  gap: 20px;
  width: 100%;
  will-change: transform;
  transition: transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}
.featured-track.is-instant {
  transition: none;
}
.featured-track .featured-card {
  flex: 0 0 calc((100% - 40px) / 3);
  width: calc((100% - 40px) / 3);
  min-width: 0;
}
.featured-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(32, 32, 37, 0.12);
  background: rgba(255, 255, 255, 0.96);
  color: rgba(32, 32, 37, 0.82);
  box-shadow: 0 4px 16px rgba(16, 24, 40, 0.08);
  cursor: pointer;
  transition: border-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}
/* 放在内容区外侧边距，不挤占卡片宽度 */
.featured-nav--prev {
  left: max(12px, calc((100% - var(--limit-content-width)) / 2 - 64px));
}
.featured-nav--next {
  right: max(12px, calc((100% - var(--limit-content-width)) / 2 - 64px));
}
.featured-nav:hover {
  border-color: rgba(32, 32, 37, 0.28);
  color: #202025;
  box-shadow: 0 8px 20px rgba(16, 24, 40, 0.12);
}
.featured-nav:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.featured-nav svg {
  display: block;
}
.featured-cursor {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 120;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  will-change: transform;
}
.featured-cursor.is-visible {
  opacity: 1;
  visibility: visible;
}
.featured-cursor-ring {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 2px solid rgba(32, 32, 37, 0.82);
  background: transparent;
  box-shadow: none;
}
.featured-cursor-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 10px;
  height: 10px;
  color: rgba(32, 32, 37, 0.82);
  transition: color 0.25s ease;
}
.featured-cursor-arrow svg {
  display: block;
}
.featured-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 276px;
  padding: 24px;
  border-radius: 10px;
  border: 1px solid rgba(32, 32, 37, 0.08);
  background: #fff;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.35s ease, box-shadow 0.35s ease;
}
.featured-card:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.featured-card-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.featured-card-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1);
  transition: transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}
.featured-card-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: rgba(0, 0, 0, 0.2);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.featured-card-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 228px;
}
.featured-card-title {
  font-size: clamp(18px, 1.05vw, 22px);
  font-weight: 500;
  line-height: 1.35;
  color: #202025;
  margin-bottom: 12px;
  transition: color 0.3s ease;
}
.featured-card-desc {
  flex: 1;
  max-height: 7.75em; /* 限制 5 行：12px * line-height 1.55 * 5 */
  display: -webkit-box;
  -webkit-line-clamp: 5;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 12px;
  line-height: 1.55;
  color: rgba(32, 32, 37, 0.65);
  transition: color 0.3s ease;
}
.featured-card-meta {
  margin-top: auto;
  padding-top: 16px;
  font-size: 12px;
  line-height: 1.4;
  color: rgba(32, 32, 37, 0.55);
  transition: color 0.3s ease;
}
.featured-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
}
.featured-card-action {
  font-size: 12px;
  line-height: 1.4;
  color: rgba(32, 32, 37, 0.55);
  transition: color 0.3s ease;
}
.featured-card-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 10px;
  color: #202025;
  transition: color 0.3s ease, transform 0.3s ease;
}
.featured-card-arrow svg {
  display: block;
}
.featured-card:hover,
.featured-card:focus-within {
  border-color: transparent;
  box-shadow: 0 6px 14px rgba(16, 24, 40, 0.06), 0 2px 5px rgba(16, 24, 40, 0.02);
}
.featured-card:hover .featured-card-bg,
.featured-card:focus-within .featured-card-bg {
  opacity: 1;
}
.featured-card:hover .featured-card-bg img,
.featured-card:focus-within .featured-card-bg img {
  transform: scale(1.1);
}
.featured-card:hover .featured-card-overlay,
.featured-card:focus-within .featured-card-overlay {
  opacity: 1;
}
.featured-card:hover .featured-card-title,
.featured-card:hover .featured-card-desc,
.featured-card:hover .featured-card-meta,
.featured-card:hover .featured-card-action,
.featured-card:hover .featured-card-arrow,
.featured-card:focus-within .featured-card-title,
.featured-card:focus-within .featured-card-desc,
.featured-card:focus-within .featured-card-meta,
.featured-card:focus-within .featured-card-action,
.featured-card:focus-within .featured-card-arrow {
  color: #fff;
}
.featured-card:hover .featured-card-arrow,
.featured-card:focus-within .featured-card-arrow {
  transform: translateX(2px);
}

/* ===== Products ===== */
.products-section {
  padding-top: 56px;
  padding-bottom: 80px;
  margin-top: 0;
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 276px;
  padding: 24px;
  border-radius: 20px;
  border: none;
  background: linear-gradient(
    180deg,
    rgba(74, 158, 255, 0.17) 0%,
    rgba(74, 158, 255, 0.1) 42%,
    rgba(74, 158, 255, 0.03) 72%,
    rgba(255, 255, 255, 0.95) 100%
  );
  overflow: hidden;
}
.product-badge {
  display: inline-flex;
  align-self: flex-start;
  font-size: 12px;
  font-weight: 500;
  color: #475467;
  background: rgba(255, 255, 255, 0.82);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 0;
}
.product-card-body {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 12px;
  margin-top: 20px;
}
.product-card-text {
  flex: 1;
  min-width: 0;
  padding-bottom: 4px;
}
.product-card-text h3 {
  display: inline-block;
  font-size: clamp(18px, 1.05vw, 22px);
  font-weight: 500;
  line-height: 1.35;
  color: #202025;
  margin-bottom: 10px;
}
.product-card-text h3::after {
  content: '';
  display: block;
  width: 100%;
  height: 0.5px;
  background: #202025;
  margin-top: 8px;
  transform: scaleX(0);
  opacity: 0;
  transform-origin: right center;
  transition:
    transform 2s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 2s cubic-bezier(0.16, 1, 0.3, 1),
    transform-origin 0s;
}
.product-card:hover .product-card-text h3::after {
  transform: scaleX(1);
  opacity: 1;
  transform-origin: left center;
  transition:
    transform 2s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 2s cubic-bezier(0.16, 1, 0.3, 1),
    transform-origin 0s;
}
.product-card-text p {
  clear: both;
  margin-top: 2px;
  font-size: 12px;
  line-height: 1.55;
  color: rgba(32, 32, 37, 0.65);
}
.product-card-visual {
  position: absolute;
  top: 68px;
  right: 20px;
  flex-shrink: 0;
  width: 148px;
  height: 148px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border-radius: 50%;
  overflow: visible;
}
.product-card-visual::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 148px;
  height: 148px;
  translate: -50% 0;
  border-radius: 50%;
  opacity: 0;
  pointer-events: none;
  z-index: 2;
  transition:
    opacity 0.45s ease,
    width 0.7s cubic-bezier(0.16, 1, 0.3, 1),
    height 0.7s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.product-card:hover .product-card-visual::after {
  opacity: 1;
  width: 174px;
  height: 174px;
  background-color: rgba(255, 255, 255, 0.3);
}
.product-icon-frame {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  z-index: 1;
}
.product-icon {
  width: 108px;
  height: 108px;
  object-fit: contain;
  display: none;
}
.product-icon-frame {
  overflow: hidden;
}
.product-mechanism {
  display: block;
  width: 118%;
  height: 118%;
  max-width: none;
  flex: 0 0 auto;
}
.product-mechanism path,
.product-mechanism circle {
  vector-effect: non-scaling-stroke;
}
.mechanism-membrane {
  fill: none;
  stroke: #cbdcf1;
  stroke-width: 5;
  stroke-linecap: round;
}
.mechanism-antigen {
  fill: #d9eaff;
  stroke: #6ca7e8;
  stroke-width: 4;
  stroke-linejoin: round;
}
.mechanism-antigen-epitope {
  fill: none;
  stroke: #4a9eff;
  stroke-width: 5;
  stroke-linecap: round;
}
.mechanism-antibody {
  fill: none;
  stroke: #7357d9;
  stroke-width: 8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.mechanism-secondary-antibody {
  stroke: #f09a52;
}
.mechanism-binding-tip {
  stroke-width: 5;
}
.mechanism-binding-flash {
  fill: rgba(99, 190, 153, 0.2);
  stroke: #63be99;
  stroke-width: 2;
  opacity: 0.2;
}
.mechanism-primary-antibody,
.mechanism-secondary-antibody,
.mechanism-binding-flash,
.mechanism-reactants,
.mechanism-dab-product,
.mechanism-reaction-pulse {
  transform-box: fill-box;
  transform-origin: center;
}
.mechanism-enzyme-tag {
  fill: #f4bd50;
  stroke: #fff;
  stroke-width: 2;
}
.mechanism-hrp {
  fill: #f0a34b;
  stroke: #d9822b;
  stroke-width: 3;
  stroke-linejoin: round;
}
.mechanism-reactants {
  fill: #81b8f2;
  opacity: 0;
}
.mechanism-reactants--right {
  fill: #efc25e;
}
.mechanism-dab-product {
  fill: #9b5b2e;
  opacity: 1;
}
.mechanism-reaction-pulse {
  fill: none;
  stroke: #c77b3b;
  stroke-width: 3;
  opacity: 0.15;
}
.product-mechanism.is-active .mechanism-primary-antibody {
  animation: mechanism-primary-bind 5.4s cubic-bezier(0.22, 1, 0.36, 1) infinite;
}
.product-mechanism.is-active .mechanism-binding-flash--primary {
  animation: mechanism-bind-flash 5.4s ease infinite;
}
.product-mechanism.is-active .mechanism-secondary-antibody {
  animation: mechanism-secondary-bind 5.4s cubic-bezier(0.22, 1, 0.36, 1) infinite;
}
.product-mechanism.is-active .mechanism-binding-flash--secondary {
  animation: mechanism-bind-flash 5.4s 0.2s ease infinite;
}
.product-mechanism.is-active .mechanism-reactants--left {
  animation: mechanism-react-left 5.4s ease-in-out infinite;
}
.product-mechanism.is-active .mechanism-reactants--right {
  animation: mechanism-react-right 5.4s ease-in-out infinite;
}
.product-mechanism.is-active .mechanism-dab-product {
  animation: mechanism-dab-form 5.4s ease infinite;
}
.product-mechanism.is-active .mechanism-reaction-pulse {
  animation: mechanism-reaction-pulse 5.4s ease-out infinite;
}
@keyframes mechanism-primary-bind {
  0%, 12% { opacity: 0; transform: translate3d(32px, -30px, 0); }
  20% { opacity: 1; }
  46%, 76% { opacity: 1; transform: translate3d(0, 0, 0); }
  90%, 100% { opacity: 0; transform: translate3d(0, 0, 0); }
}
@keyframes mechanism-secondary-bind {
  0%, 12% { opacity: 0; transform: translate3d(38px, -8px, 0); }
  20% { opacity: 1; }
  46%, 76% { opacity: 1; transform: translate3d(0, 0, 0); }
  90%, 100% { opacity: 0; transform: translate3d(0, 0, 0); }
}
@keyframes mechanism-bind-flash {
  0%, 42%, 72%, 100% { opacity: 0; transform: scale(0.65); }
  50%, 61% { opacity: 0.65; transform: scale(1.35); }
}
@keyframes mechanism-react-left {
  0%, 12% { opacity: 0; transform: translate3d(-10px, 0, 0); }
  20% { opacity: 0.9; }
  52% { opacity: 0; transform: translate3d(54px, 20px, 0) scale(0.65); }
  53%, 100% { opacity: 0; }
}
@keyframes mechanism-react-right {
  0%, 12% { opacity: 0; transform: translate3d(10px, 0, 0); }
  20% { opacity: 0.9; }
  52% { opacity: 0; transform: translate3d(-54px, 20px, 0) scale(0.65); }
  53%, 100% { opacity: 0; }
}
@keyframes mechanism-dab-form {
  0%, 46% { opacity: 0; transform: scale(0.4); }
  58%, 78% { opacity: 1; transform: scale(1); }
  92%, 100% { opacity: 0; transform: scale(1.08); }
}
@keyframes mechanism-reaction-pulse {
  0%, 45% { opacity: 0; transform: scale(0.65); }
  56% { opacity: 0.5; }
  72%, 100% { opacity: 0; transform: scale(1.4); }
}
.product-card--home .product-card-body {
  margin-top: 0;
  flex: 1;
}
.product-card--home .product-card-visual {
  top: 64px;
  right: 30px;
}
.products-section .product-card.reveal .product-card-text,
.products-section .product-card.reveal .product-card-visual {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1), transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}
.products-section .product-card.reveal.visible .product-card-text,
.products-section .product-card.reveal.visible .product-card-visual {
  opacity: 1;
  transform: translateY(0);
}
.products-section .product-card.reveal.visible:nth-child(2) .product-card-text,
.products-section .product-card.reveal.visible:nth-child(2) .product-card-visual { transition-delay: 0.08s; }
.products-section .product-card.reveal.visible:nth-child(3) .product-card-text,
.products-section .product-card.reveal.visible:nth-child(3) .product-card-visual { transition-delay: 0.16s; }
.products-section .product-card.reveal.visible:nth-child(4) .product-card-text,
.products-section .product-card.reveal.visible:nth-child(4) .product-card-visual { transition-delay: 0.24s; }

/* ===== Tech / Features ===== */
.tech-section {
  background: var(--white);
  padding: clamp(48px, 5vw, 68px) 0;
}
.tech-header-row {
  display: grid;
  grid-template-columns: 71.25% 23.75%;
  gap: 5%;
  margin-bottom: clamp(32px, 3vw, 48px);
  align-items: start;
}
.tech-desc {
  font-size: clamp(14px, 0.9vw, 16px);
  line-height: 1.6;
  color: #475467;
  padding-top: 0.2em;
}
.feature-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 20px;
}
.feature-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  min-height: 271px;
}
.feature-card[data-scrub-y] {
  will-change: transform;
}
.feature-card[data-scrub-y="10"] { transform: translate3d(0, 10vw, 0); }
.feature-card[data-scrub-y="15"] { transform: translate3d(0, 15vw, 0); }
.feature-card[data-scrub-y="20"] { transform: translate3d(0, 20vw, 0); }
.feature-card--hero {
  grid-row: 1 / 3;
  min-height: 562px;
  color: var(--white);
  display: flex;
  flex-direction: column;
  box-shadow: none;
}
.feature-card--tall {
  grid-row: 1 / 3;
  min-height: 562px;
  display: flex;
  flex-direction: column;
  padding: 28px 24px;
  overflow: visible;
  background: linear-gradient(90deg, #f0f0ff 0%, transparent 100%);
  box-shadow: 0 0 0 1px rgba(222, 222, 251, 0.2);
}
.feature-card--custom,
.feature-card--oem {
  display: flex;
  flex-direction: column;
  padding: 26px 28px 24px;
  min-height: 271px;
  overflow: visible;
}
.feature-card--custom {
  background: linear-gradient(115deg, #fef8cd 0%, transparent 100%);
  box-shadow: 0 0 0 1px rgba(255, 237, 159, 0.2);
}
.feature-card--oem {
  background: linear-gradient(115deg, #e0fecd 0%, transparent 100%);
  box-shadow: 0 0 0 1px rgba(165, 237, 120, 0.2);
}
.feature-card-media {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.feature-card-img {
  position: absolute;
  left: 0;
  top: 50%;
  width: 100%;
  height: 140%;
  object-fit: cover;
  object-position: center center;
  transform: translate3d(0, -50%, 0);
  will-change: transform;
}
.feature-card-img--support,
.feature-card-img--oem {
  top: 0;
  height: 100%;
  transform: none;
  will-change: auto;
}
.feature-card-img--trial {
  object-position: 50% 58%;
}
.feature-card-img--support {
  object-position: 72% 82%;
}
.feature-card-img--oem {
  object-position: 52% 68%;
}
.feature-card-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.feature-card-overlay--trial {
  background: linear-gradient(
    180deg,
    rgba(45, 110, 190, 0.52) 0%,
    rgba(45, 110, 190, 0.22) 42%,
    rgba(45, 110, 190, 0.46) 100%
  );
}
.feature-card-top,
.feature-card-foot {
  position: relative;
  z-index: 1;
  padding-left: 24px;
  padding-right: 24px;
}
.feature-card-top {
  padding-top: 64px;
}
.feature-card-foot {
  padding-bottom: 24px;
}
.feature-card-foot--hero {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding-top: 28px;
  padding-bottom: 28px;
}
.feature-card-foot--hero .feature-card-title {
  margin-bottom: 0;
}
.feature-card-foot--hero .feature-card-subtitle--hero {
  margin-top: 6px;
  margin-bottom: 10px;
}
.feature-card-foot--hero .feature-card-desc--hero {
  margin-bottom: 60px;
  margin-top: 40px;
}
.feature-card-foot--hero .feature-trial-flow {
  margin-top: 10px;
}
.feature-card-foot--hero .feature-btn {
  margin-top: auto;
  align-self: flex-start;
}
.feature-btn.is-disabled {
  pointer-events: none;
  opacity: 0.72;
}
.feature-card--hero.is-trial-form {
  background: var(--primary-light);
  color: var(--text);
}
.feature-card--hero.is-trial-form .feature-card-media {
  display: none;
}
.feature-card-foot--hero[hidden],
.feature-card--hero.is-trial-form #homeTrialIntro {
  display: none !important;
}
.feature-card-foot--hero.is-exiting {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 200ms ease, transform 200ms ease;
}
.feature-card-foot--form {
  position: relative;
  z-index: 3;
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 28px 24px;
  background: var(--primary-light);
  color: var(--text);
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
  transition: opacity 200ms ease, transform 200ms ease;
}
.feature-card-foot--form[hidden] {
  display: none !important;
}
.feature-card-foot--form.is-shown {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
.feature-card--hero.is-trial-form .feature-card-title,
.feature-card--hero.is-trial-form .feature-card-title span {
  color: var(--text);
  text-shadow: none;
}
.home-trial-form-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}
.home-trial-form-head .feature-card-title {
  margin-bottom: 0;
}
.home-trial-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  margin: -8px -8px 0 0;
  border-radius: 50%;
  color: var(--text);
  background: rgba(255, 255, 255, 0.72);
  transition: background 0.18s ease, color 0.18s ease;
}
.home-trial-back:hover,
.home-trial-back:focus-visible {
  background: #fff;
  color: var(--text);
}
.home-trial-back:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(74, 158, 255, 0.22);
}
.home-trial-form {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-height: 0;
}
.home-trial-form-body {
  flex: 1;
  min-height: 0;
}
.home-trial-form .trial-form-grid {
  gap: 12px 16px;
}
.home-trial-form .trial-field {
  gap: 6px;
}
.home-trial-form .trial-field label {
  font-size: 12px;
  line-height: 1.4;
  font-weight: 500;
  color: var(--text);
}
.home-trial-form .trial-field .required {
  color: #e35d5d;
}
.home-trial-form .trial-field .optional {
  color: var(--text-muted);
}
.home-trial-form .trial-field input,
.home-trial-form .trial-field textarea {
  height: 40px;
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid rgba(95, 115, 137, 0.28);
  border-radius: 10px;
  background: #fff;
  color: var(--text);
  box-shadow: none;
}
.home-trial-form .trial-field textarea {
  height: 64px;
  min-height: 64px;
  resize: none;
  line-height: 1.45;
}
.home-trial-form .trial-field input::placeholder,
.home-trial-form .trial-field textarea::placeholder {
  color: var(--text-muted);
}
.home-trial-form .trial-field input:focus,
.home-trial-form .trial-field textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(74, 158, 255, 0.18);
}
.home-trial-form .trial-contact-combo {
  border: 1px solid rgba(95, 115, 137, 0.28);
  border-radius: 10px;
  background: #fff;
  overflow: visible;
}
.home-trial-form .trial-contact-combo:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(74, 158, 255, 0.18);
}
.home-trial-form .trial-contact-combo input {
  height: 40px;
  min-height: 40px;
  border: none;
  box-shadow: none;
  background: transparent;
  padding: 8px 12px;
  color: var(--text);
}
.home-trial-form .trial-contact-combo input:focus {
  box-shadow: none;
}
.home-trial-form .trial-honorific-trigger {
  color: var(--text);
  min-height: 40px;
}
.home-trial-form .trial-honorific-trigger:hover {
  color: var(--primary);
}
.home-trial-form-footer {
  position: relative;
  z-index: 4;
  display: flex;
  justify-content: flex-end;
  margin-top: 16px;
}
.home-trial-form-footer .trial-add-more-wrap {
  z-index: 5;
}
.feature-card-foot--form .trial-add-more,
.feature-card-foot--partner .trial-add-more,
.home-partner-success .trial-add-more {
  min-height: 0;
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.2;
  gap: 8px;
  color: var(--primary);
  background: rgba(255, 255, 255, 0.88);
  border: 1.5px solid rgba(74, 158, 255, 0.7);
}
.home-trial-form .trial-add-more:hover,
.home-trial-form .trial-add-more:focus-visible,
.home-partner-form .trial-add-more:hover,
.home-partner-form .trial-add-more:focus-visible,
.home-partner-success .trial-add-more:hover,
.home-partner-success .trial-add-more:focus-visible {
  background: #fff;
  color: var(--primary-dark);
  border-color: var(--primary);
}
.home-trial-form .trial-add-more:focus-visible,
.home-partner-form .trial-add-more:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(74, 158, 255, 0.18);
}
.feature-card--hero .feature-card-title {
  margin-bottom: 0;
}
.feature-card--hero .feature-card-title span {
  font-size: 2.2vw;
  line-height: 1.25;
}
.feature-card--hero .feature-card-subtitle--hero {
  margin-top: 8px;
  font-size: clamp(14px, 1vw, 17px);
  font-weight: 500;
}
.feature-card-copy--hero {
  margin-bottom: 0;
  padding: 0;
  max-width: 100%;
}
.feature-card-desc--hero,
.feature-card-flow--hero {
  color: rgba(255, 255, 255, 0.96);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.18);
}
.feature-card-desc--hero {
  font-size: 13px;
  line-height: 1.65;
  font-weight: 500;
  white-space: pre-line;
}
.feature-card-flow--hero {
  margin-top: 8px;
  padding-left: 0;
  border-left: none;
  font-size: 12px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.82);
}
.feature-badge {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  font-size: 12px;
  font-weight: 500;
  line-height: 1;
  color: #202025;
  background: var(--white);
  padding: 7px 14px;
  border-radius: 100px;
  white-space: nowrap;
}
.feature-badge--top {
  position: absolute;
  top: 28px;
  left: 24px;
  z-index: 2;
}
.feature-badge--bottom {
  margin: auto 24px 14px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(71, 84, 103, 0.12);
  color: #475467;
  backdrop-filter: blur(8px);
}
.feature-card-title {
  font-size: clamp(20px, 1.65vw, 32px);
  font-weight: 500;
  line-height: 1.25;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
}
.feature-card-title-sm {
  font-size: 1.4vw;
  font-weight: 500;
  line-height: 1.35;
  color: #202025;
  margin-bottom: 8px;
  margin-top: 4px;
}
.feature-card-subtitle {
  font-size: 14px;
  line-height: 1.45;
  color: rgba(71, 84, 103, 0.78);
  margin-bottom: 18px;
  margin-top: 4px;
}
.feature-card--tall .feature-card-title-sm {
  margin-bottom: 4px;
}
.feature-card--tall .feature-card-subtitle {
  margin-bottom: 0;
}
.feature-card--tall .feature-card-desc {
  margin-top: 40px;
  font-size: 14px;
  line-height: 1.65;
  color: #475467;
}
.feature-card-subtitle--hero {
  color: rgba(255, 255, 255, 0.96);
  font-size: clamp(15px, 1vw, 18px);
  margin-bottom: 0;
}
.feature-card-panel {
  display: flex;
  flex: 1;
  flex-direction: column;
  position: relative;
  z-index: 1;
}
.feature-card-icon-wrap {
  display: block;
  width: 26%;
  max-width: 96px;
  margin-bottom: 16px;
  flex-shrink: 0;
}
.feature-card-icon-img {
  display: block;
  width: 100%;
  height: auto;
}
.feature-card-icon-img--support {
  filter: drop-shadow(0 8px 18px rgba(255, 116, 116, 0.16));
}
.feature-card-icon-img--oem {
  filter: drop-shadow(0 8px 18px rgba(114, 220, 96, 0.2));
}
.feature-card-copy {
  margin-bottom: 20px;
}
.feature-card-desc,
.feature-card-flow {
  font-size: 14px;
  line-height: 1.65;
  color: #fff;
}
.feature-card-flow {
  margin-top: 10px;
}
.feature-trial-flow {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 7px;
  margin: 0;
}
.feature-trial-flow-step {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.94);
  font-size: 13px;
  line-height: 1.4;
  margin-top: 16px;
}
.feature-trial-flow-icon {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  color: rgba(255, 255, 255, 0.92);
}
.feature-trial-flow-icon svg {
  display: block;
  width: 18px;
  height: 18px;
}
.feature-card--custom .feature-card-title-sm,
.feature-card--oem .feature-card-title-sm {
  margin-bottom: 6px;
}
.feature-card--custom .feature-card-subtitle,
.feature-card--oem .feature-card-subtitle {
  margin-bottom: 14px;
}
.feature-card--custom .feature-list,
.feature-card--oem .feature-list {
  margin-top: 20px;
  flex: 1;
}
.feature-card--custom .feature-list li,
.feature-card--oem .feature-list li {
  padding-bottom: 8px;
  font-size: clamp(12px, 0.75vw, 14px);
  line-height: 1.6;
}
.feature-list--plain li {
  display: block;
  padding-left: 0;
}
.feature-list--plain li:last-child {
  padding-bottom: 0;
}
.feature-card--tall .feature-btn,
.feature-card--custom .feature-btn,
.feature-card--oem .feature-btn {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.72);
  color: #344054;
  border: 1px solid rgba(71, 84, 103, 0.52);
  padding: 8px 20px;
  box-shadow: none;
  transition: background 0.26s ease, border-color 0.26s ease, color 0.26s ease, box-shadow 0.28s ease;
  position: relative;
  z-index: 1;
  margin-top: auto;
}
.feature-btn {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--white);
  background: linear-gradient(90deg, #4a9eff 0%, #5c38e8 100%);
  box-shadow: none;
  transition: box-shadow 0.28s ease;
}
.feature-card--tall .feature-btn:hover,
.feature-card--custom .feature-btn:hover,
.feature-card--oem .feature-btn:hover {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 5px 10px 0 rgba(0, 0, 0, 0.05);
  border-color: rgba(71, 84, 103, 0.7);
  color: #202025;
}
.feature-btn--ghost {
  padding: 5px 18px;
  color: #475467;
  background: var(--white);
  border: 1px solid rgba(71, 84, 103, 0.18);
  box-shadow: none;
  font-size: 12px;
  transition: border-color 0.26s ease, color 0.26s ease;
}
.feature-btn--ghost:hover {
  box-shadow: none;
  border-color: rgba(71, 84, 103, 0.38);
  color: #202025;
}
.feature-btn:hover {
  box-shadow: 0 5px 10px 0 rgba(0, 0, 0, 0.05);
}
button.feature-btn {
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
}
.feature-card-intro {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-height: 0;
}
.feature-card-intro .feature-card-panel {
  flex: 1;
}
.feature-card[data-partner-form].is-partner-form .feature-card-intro {
  display: none !important;
}
.feature-card--tall.is-partner-form {
  background: #f0f0ff;
}
.feature-card--custom.is-partner-form {
  background: #fef8cd;
}
.feature-card--oem.is-partner-form {
  background: #e0fecd;
}
.feature-card-foot--partner {
  position: relative;
  z-index: 3;
  display: flex;
  flex: 1;
  flex-direction: column;
  min-height: 0;
  padding: 0;
  background: transparent;
  color: var(--text);
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
  transition: opacity 200ms ease, transform 200ms ease;
}
.feature-card-foot--partner[hidden] {
  display: none !important;
}
.feature-card-foot--partner.is-shown {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
.home-partner-form-head .feature-card-title-sm {
  margin-bottom: 0;
}
.home-partner-back {
  margin: -8px -8px 0 0;
}
.home-partner-form[hidden],
.home-partner-success[hidden] {
  display: none !important;
}
.home-partner-form-body {
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 280px;
}
.home-partner-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 16px;
}
.feature-card--tall .home-partner-form-grid {
  grid-template-columns: 1fr;
  gap: 10px;
}
.feature-card--custom .home-partner-form-grid,
.feature-card--oem .home-partner-form-grid {
  grid-template-columns: max-content 1fr;
  column-gap: 8px;
  row-gap: 6px;
  align-items: center;
}
.feature-card--custom .home-partner-form .trial-field,
.feature-card--oem .home-partner-form .trial-field {
  display: contents;
}
.feature-card--custom .home-partner-form .trial-field--full label,
.feature-card--oem .home-partner-form .trial-field--full label {
  align-self: start;
  padding-top: 6px;
}
.feature-card--custom .home-partner-form .trial-field label,
.feature-card--oem .home-partner-form .trial-field label {
  grid-column: 1;
  margin: 0;
  white-space: nowrap;
  font-size: 11px;
  line-height: 1.3;
}
.feature-card--custom .home-partner-form .trial-field input,
.feature-card--oem .home-partner-form .trial-field input,
.feature-card--custom .home-partner-form .trial-field textarea,
.feature-card--oem .home-partner-form .trial-field textarea {
  grid-column: 2;
  width: 100%;
  min-width: 0;
  padding: 4px 8px;
  font-size: 12px;
  border-radius: 8px;
}
.feature-card--custom .home-partner-form .trial-field-error,
.feature-card--oem .home-partner-form .trial-field-error {
  grid-column: 2;
  margin: 0;
  font-size: 10px;
}
.feature-card--custom .home-partner-form .trial-field input,
.feature-card--oem .home-partner-form .trial-field input {
  height: 28px;
  min-height: 28px;
}
.feature-card--custom .home-partner-form .trial-field textarea,
.feature-card--oem .home-partner-form .trial-field textarea {
  height: 32px;
  min-height: 32px;
  line-height: 1.35;
}
.feature-card--custom.is-partner-form,
.feature-card--oem.is-partner-form {
  min-height: 271px;
  padding: 20px 22px 18px;
}
.feature-card--custom.is-partner-form .home-trial-form-head,
.feature-card--oem.is-partner-form .home-trial-form-head {
  margin-bottom: 10px;
}
.feature-card--custom .home-trial-form-footer,
.feature-card--oem .home-trial-form-footer {
  margin-top: 8px;
}
.feature-card--custom .home-partner-form .trial-add-more,
.feature-card--oem .home-partner-form .trial-add-more,
.feature-card--custom .home-partner-success .trial-add-more,
.feature-card--oem .home-partner-success .trial-add-more {
  padding: 5px 16px;
  font-size: 12px;
}
.feature-card--custom .home-partner-success h4,
.feature-card--oem .home-partner-success h4 {
  font-size: 14px;
}
.feature-card--custom .home-partner-success p,
.feature-card--oem .home-partner-success p {
  font-size: 12px;
}
.home-partner-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex: 1;
  min-height: 0;
  padding: 12px 0 4px;
  text-align: center;
}
.home-partner-success h4 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}
.home-partner-success p {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-muted);
}
.home-partner-success .trial-add-more {
  margin-top: 4px;
}
.feature-btn-arrow {
  display: inline-flex;
  overflow: hidden;
  width: 1.1em;
  max-width: 1.1em;
  opacity: 1;
}
.feature-btn-arrow-inner {
  display: inline-block;
  transform: translateX(0);
  transition: transform 0.28s ease;
  white-space: nowrap;
}
.feature-btn:hover .feature-btn-arrow-inner {
  animation: trial-add-more-arrow-in 0.6s ease;
}
.feature-list {
  list-style: none;
  margin-top: 4px;
}
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: #475467;
  padding-bottom: 20px;
}
.feature-list li:last-child {
  padding-bottom: 0;
}
.feature-list-check {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 1px;
}
.feature-list-check svg {
  display: block;
  width: 100%;
  height: 100%;
}

/* ===== About Us ===== */
.about-section { padding: 20px 0; background: var(--white); }
.about-panel {
  position: relative;
  margin: 0 20px;
  border-radius: 30px;
  overflow: hidden;
  background-color: #eef6ff;
  background-image:
    linear-gradient(
      125deg,
      rgba(74, 158, 255, 0.2) 0%,
      rgba(74, 158, 255, 0.14) 24%,
      rgba(74, 158, 255, 0.1) 44%,
      rgba(255, 255, 255, 0.55) 68%,
      rgba(255, 255, 255, 0.88) 100%
    ),
    url('../images/vision-bg.jpg');
  background-size: cover, cover;
  background-position: center, 58% 52%;
  background-repeat: no-repeat, no-repeat;
}
.about-panel-inner {
  position: relative;
  z-index: 1;
  padding: clamp(40px, 5vw, 68px) 0;
}
.section-header--about { margin-bottom: 0; }
.about-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: clamp(32px, 3vw, 48px);
}
.about-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 220px;
  padding: 28px 24px;
  border-radius: 20px;
  /* border: 1px solid rgba(74, 158, 255, 0.14); */
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.7) 0%,
    rgba(255, 255, 255, 0.4) 100%
  );
  box-shadow: 0 8px 24px rgba(74, 158, 255, 0.06);
  overflow: hidden;
  transition:
    transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.35s ease;
  z-index: 1;
}
.about-card:hover {
  transform: translateY(-14px) scale(1.02);
  border-color: rgba(74, 158, 255, 0.28);
  box-shadow:
    0 22px 48px rgba(26, 35, 50, 0.16),
    0 8px 18px rgba(74, 158, 255, 0.12);
  z-index: 3;
}
.about-card-icon {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 72px;
  height: 72px;
  color: rgba(32, 32, 37, 0.16);
  opacity: 0.85;
  pointer-events: none;
  user-select: none;
}
.about-card-value {
  position: relative;
  z-index: 1;
  font-size: clamp(28px, 2.2vw, 36px);
  font-weight: 500;
  line-height: 1.1;
  color: #202025;
  margin-bottom: 18px;
  padding-right: 56px;
}
.about-card-desc {
  position: relative;
  z-index: 1;
  margin-top: auto;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(32, 32, 37, 0.65);
}
.about-card-desc span {
  display: block;
}
.about-card-desc span + span {
  margin-top: 4px;
}

/* ===== Contact ===== */
.contact-section {
  background: var(--white);
  padding: clamp(48px, 5vw, 68px) 0;
}
.section-header--contact { margin-bottom: clamp(28px, 3vw, 40px); }
.contact-banner {
  width: 100%;
  aspect-ratio: 2.4 / 1;
  margin-bottom: clamp(32px, 4vw, 48px);
  overflow: hidden;
  border-radius: 12px;
  perspective: 1200px;
  background: var(--white);
}
.contact-banner-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  will-change: transform;
  transform-origin: center bottom;
  backface-visibility: hidden;
}
.contact-columns {
  display: grid;
  grid-template-columns: 1fr 1fr 0.44fr;
  gap: 5%;
}
.contact-col h3 {
  font-size: clamp(18px, 1.2vw, 23px);
  font-weight: 500;
  color: #202025;
  margin-bottom: 8px;
}
.contact-col p {
  font-size: 12px;
  line-height: 1.6;
  color: rgba(32, 32, 37, 0.7);
  margin-bottom: 12px;
}
.contact-link {
  font-size: clamp(14px, 0.83vw, 16px);
  font-weight: 500;
  color: #65b470;
  transition: opacity 0.3s ease;
}
.contact-link:hover { opacity: 0.8; }

/* ===== Footer ===== */
.site-footer {
  position: relative;
  background: var(--white);
  color: #333;
  padding: 0;
  overflow: hidden;
}
.site-footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(74, 158, 255, 0.48) 0%, transparent 100%);
  pointer-events: none;
}
.footer-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(240px, 1.55fr) 140px minmax(120px, 0.9fr) minmax(120px, 0.9fr);
  column-gap: clamp(28px, 4vw, 56px);
  row-gap: 28px;
  padding: 64px 0 28px;
  align-items: start;
  justify-content: space-between;
}
.footer-contact {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: 320px;
}
.footer-contact-title {
  margin: 0 0 18px;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.4;
  color: #202025;
}
.footer-contact-email {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 14px;
  line-height: 1.5;
  color: #333;
  transition: color 0.3s ease;
}
.footer-contact-email:hover { color: var(--primary); }
.footer-contact-address {
  margin: 0 0 22px;
  font-size: 13px;
  line-height: 1.6;
  color: #999;
}
.footer-contact-phone {
  display: inline-block;
  font-size: clamp(28px, 2.2vw, 36px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: #202025;
  cursor: default;
  text-decoration: none;
}
.footer-qr {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}
.footer-qr-head {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 24px;
}
.footer-qr-icon {
  display: none;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  aspect-ratio: 1 / 1;
  line-height: 0;
  overflow: hidden;
}
.footer-qr-icon.is-active {
  display: inline-flex;
}
.footer-qr-icon--wechat {
  color: #07c160;
}
.footer-qr-icon--whatsapp {
  color: #25d366;
}
.footer-qr-icon svg {
  display: block;
  width: 22px;
  height: 22px;
  max-width: 22px;
  max-height: 22px;
  flex: none;
  aspect-ratio: 1 / 1;
}
.footer-qr-title {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
  color: #333;
}
.footer-qr-image {
  display: block;
  width: 108px;
  height: 108px;
  object-fit: contain;
  border-radius: 8px;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-sizing: border-box;
}
.footer-links--products,
.footer-links--services {
  justify-self: end;
}
.footer-brand {
  display: flex;
  align-items: flex-start;
}
.footer-logo {
  display: inline-flex;
  margin-top: 2px;
}
.footer-logo img {
  height: 30px;
  width: auto;
}
.footer-links h4 {
  font-size: 20px;
  font-weight: 500;
  line-height: 1.6;
  margin-bottom: 14px;
  color: #333;
  text-transform: none;
  letter-spacing: 0;
}
.footer-links a {
  font-size: 14px;
  line-height: 1.6;
  color: #666;
  opacity: 1;
  transition: color 0.3s ease;
}
.footer-links a:hover { color: var(--primary); }
.footer-links li { margin-bottom: 14px; }
.footer-bottom {
  position: relative;
  z-index: 1;
  padding: 0 0 24px;
}
.footer-bottom-inner {
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  padding-top: 16px;
}
.footer-bottom-inner p {
  font-size: 12px;
  color: rgba(0, 0, 0, 0.6);
  text-align: left;
}
.footer-beian {
  margin-top: 8px;
}
.footer-beian a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}
.footer-beian a:hover {
  color: var(--primary);
}

/* ===== Scroll top ===== */
.scroll-top {
  position: fixed;
  bottom: 108px; right: 24px;
  width: 44px; height: 44px;
  isolation: isolate;
  background: rgba(255, 255, 255, 0.94);
  color: var(--primary);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow:
    0 8px 22px rgba(46, 128, 235, 0.16),
    0 0 0 1px rgba(74, 158, 255, 0.16);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  overflow: visible;
  transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
  z-index: 999;
}
.scroll-top::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: 0 0 0 0 rgba(74, 158, 255, 0.22);
  opacity: 0;
  pointer-events: none;
  z-index: -1;
}
.scroll-top-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
  transform-origin: center;
}
.scroll-top-icon svg {
  display: block;
}
.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.scroll-top.visible:hover {
  transform: translateY(-2px);
  background: var(--gradient);
  color: #fff;
  box-shadow:
    0 12px 28px rgba(46, 128, 235, 0.26),
    0 0 0 1px rgba(74, 158, 255, 0.18);
}
.scroll-top.visible:hover::before {
  animation: fab-shadow-pulse 0.7s ease-out 1;
}
.scroll-top.visible:hover .scroll-top-icon {
  animation: scroll-top-icon-hover 0.55s ease-in-out 1;
}
@keyframes scroll-top-icon-hover {
  0% { transform: translateY(0); }
  40% { transform: translateY(-3px); }
  100% { transform: translateY(0); }
}

/* ===== Inner pages ===== */
.page-hero {
  padding: calc(var(--header-h) + 48px) 0 24px;
  background:
    radial-gradient(ellipse 80% 60% at 10% 0%, rgba(74, 158, 255, 0.18) 0%, transparent 55%),
    linear-gradient(180deg, #eaf4ff 0%, #f6fbff 55%, var(--bg) 100%);
}
.section-header--page { margin-bottom: 48px; }

.section-header--page .section-subtitle {
  max-width: 640px;
  color: #475467;
}

/* FAQ */
.page-faq {
  /* background: var(--bg); */
}
.faq-section {
  padding-top: calc(var(--header-h) + 48px);
  padding-bottom: 88px;
  /* background:
    radial-gradient(ellipse 80% 55% at 8% 0%, rgba(74, 158, 255, 0.16) 0%, transparent 55%),
    linear-gradient(180deg, #eaf4ff 0%, #f6fbff 42%, var(--bg) 100%); */
}
.faq-list {
  display: flex;
  flex-direction: column;
  max-width: 920px;
  border-top: 1px solid var(--border);
}
.faq-item {
  border-bottom: 1px solid var(--border);
  background: transparent;
  overflow: hidden;
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 4px;
  text-align: left;
  color: var(--text);
  font-size: clamp(15px, 1vw, 17px);
  font-weight: 600;
  line-height: 1.45;
  cursor: pointer;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-item.open .faq-question { color: var(--primary); }
.faq-toggle {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  background: transparent;
  transition: transform var(--transition);
}
.faq-toggle svg {
  display: block;
  width: 14px;
  height: 14px;
}
.faq-item.open .faq-toggle {
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.faq-item.open .faq-answer {
  max-height: 640px;
}
.faq-answer-inner {
  padding: 0 28px 20px 4px;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-muted);
}

/* About intro */
.about-page-banner {
  width: 100%;
  padding-top: calc(var(--header-h) + 36px);
  padding-bottom: clamp(40px, 5vw, 64px);
  background-color: #eaf4ff;
  background-image: url('../images/about-us-bg.png');
  background-repeat: no-repeat;
  background-position: center top;
  background-size: cover;
}
.about-hero {
  position: relative;
  max-width: 640px;
}
.about-hero-content {
  position: relative;
  z-index: 1;
}
.about-hero-title {
  margin: 0;
  font-size: clamp(2rem, 3.6vw, 3rem);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.about-intro-section {
  padding-top: 0;
  padding-bottom: 0;
  background: #fff;
}
.about-intro-panel {
  position: relative;
  z-index: 2;
  padding: 28px 28px 0;
}

.about-intro-copy p {
  font-size: clamp(14px, 0.95vw, 16px);
  line-height: 1.85;
  color: rgba(32, 32, 37, 0.72);
  margin: 0 0 16px;
  text-indent: 2em;
  break-inside: avoid;
}
.about-intro-copy > p:last-child { margin-bottom: 0; }
.about-intro-media {
  display: none;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(26, 35, 50, 0.08);
  background: #f4f8fc;
}
.about-intro-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  object-position: center;
}

/* About team */
.about-team-section {
  padding-top: 72px;
  padding-bottom: 0;
  background: #fff;
}
.about-team-heading {
  margin: 0 0 clamp(32px, 4vw, 48px);
  font-size: clamp(28px, 2.4vw, 40px);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #202025;
  text-align: center;
}
.about-team-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(28px, 4vw, 56px);
}
.about-team-card {
  flex: 0 1 220px;
  max-width: 240px;
  text-align: center;
}
.about-team-photo {
  width: 180px;
  height: 180px;
  margin: 0 auto;
  border-radius: 50%;
  overflow: hidden;
  background: #d0d3d6;
}
.about-team-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.about-team-name {
  margin: 18px 0 6px;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  color: #202025;
}
.about-team-role {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-muted);
}

/* About contact + map */
.about-contact-section {
  padding-top: 100px;
  padding-bottom: 88px;
  background: var(--white);
}
.about-contact-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr 0.8fr 0.8fr;
  gap: clamp(24px, 3vw, 48px);
  align-items: start;
  margin-bottom: clamp(36px, 4vw, 56px);
}
.about-contact-heading {
  margin: 0 0 14px;
  font-size: clamp(28px, 2.4vw, 40px);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #202025;
}
.about-contact-desc {
  max-width: 28em;
  font-size: clamp(14px, 0.95vw, 16px);
  line-height: 1.7;
  color: var(--text-muted);
}
.about-contact-block {
  padding-top: 6px;
}
.about-contact-glyph {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin-bottom: 14px;
  color: #202025;
}
.about-contact-label {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  color: #202025;
}
.about-contact-value {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}
.about-contact-value + .about-contact-value { margin-top: 6px; }
.about-contact-value a {
  color: inherit;
  transition: color var(--transition);
}
.about-contact-value a:hover { color: var(--primary); }
.about-contact-map {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background: #e8f2fb;
  height: 360px;
}
#allmap {
  width: 100%;
  height: 360px;
  border-radius: 16px;
  cursor: pointer;
}
.about-map-link {
  display: block;
  width: 100%;
  height: 100%;
}
.about-contact-map #allmap {
  height: 360px;
}
.about-map-img,
#allmap img {
  display: block;
  width: 100%;
  height: 360px;
  object-fit: cover;
  object-position: center;
  border-radius: 16px;
}
.about-map-fallback-text {
  height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}
.about-map-card {
  position: absolute;
  left: 50%;
  top: 28px;
  z-index: 20;
  width: min(380px, calc(100% - 32px));
  padding: 16px 18px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(74, 158, 255, 0.16);
  box-shadow: 0 12px 32px rgba(26, 35, 50, 0.1);
  backdrop-filter: blur(10px);
  transform: translateX(-50%);
}
.about-map-card::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -7px;
  width: 14px;
  height: 14px;
  background: rgba(255, 255, 255, 0.92);
  border-right: 1px solid rgba(74, 158, 255, 0.16);
  border-bottom: 1px solid rgba(74, 158, 255, 0.16);
  transform: translateX(-50%) rotate(45deg);
}
.about-map-card-title {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--primary-dark);
}
.about-map-card-line {
  margin: 0 0 4px;
  font-size: 12px;
  line-height: 1.65;
  color: var(--text-muted);
}
.about-map-card-line:last-child { margin-bottom: 0; }

/* ===== Reveal animation (cards) ===== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.catalog-card.reveal,
.ab-card.reveal {
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.65s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.25s ease, border-color 0.25s ease;
}
.product-card-list > .reveal:nth-child(2) { transition-delay: 0.06s; }
.product-card-list > .reveal:nth-child(3) { transition-delay: 0.12s; }
.product-card-list > .reveal:nth-child(4) { transition-delay: 0.18s; }
.product-card-list > .reveal:nth-child(5) { transition-delay: 0.24s; }
.product-card-list > .reveal:nth-child(6) { transition-delay: 0.3s; }
.product-group-title.reveal {
  transition-duration: 0.55s;
}
.page-faq .faq-item.reveal {
  transition-duration: 0.55s;
}
.faq-list .faq-item.reveal:nth-child(2) { transition-delay: 0.05s; }
.faq-list .faq-item.reveal:nth-child(3) { transition-delay: 0.1s; }
.faq-list .faq-item.reveal:nth-child(4) { transition-delay: 0.15s; }
.faq-list .faq-item.reveal:nth-child(5) { transition-delay: 0.2s; }
.faq-list .faq-item.reveal:nth-child(6) { transition-delay: 0.25s; }
.about-contact-row.reveal .about-contact-block {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.about-contact-row.reveal.visible .about-contact-block {
  opacity: 1;
  transform: translateY(0);
}
.about-contact-row.reveal.visible .about-contact-block:nth-child(2) { transition-delay: 0.06s; }
.about-contact-row.reveal.visible .about-contact-block:nth-child(3) { transition-delay: 0.12s; }
.about-contact-row.reveal.visible .about-contact-block:nth-child(4) { transition-delay: 0.18s; }
.question-detail-article.reveal .content-body {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: 0.1s;
}
.question-detail-article.reveal.visible .content-body {
  opacity: 1;
  transform: translateY(0);
}
.trial-form.reveal .trial-field {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1), transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}
.trial-form.reveal.visible .trial-field {
  opacity: 1;
  transform: translateY(0);
}
.trial-form.reveal.visible .trial-field:nth-child(2) { transition-delay: 0.06s; }
.trial-form.reveal.visible .trial-field:nth-child(3) { transition-delay: 0.12s; }
.trial-form.reveal.visible .trial-field:nth-child(4) { transition-delay: 0.18s; }
.trial-form.reveal.visible .trial-field:nth-child(5) { transition-delay: 0.24s; }
.trial-success:not([hidden]) .trial-success-card {
  animation: trial-success-enter 0.55s cubic-bezier(0.16, 1, 0.3, 1) both;
}
@keyframes trial-success-enter {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
.about-card.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 1s cubic-bezier(0.16, 1, 0.3, 1),
    transform 1s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.35s ease;
  will-change: opacity, transform;
}
.about-card.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.about-card.reveal.visible:hover {
  transform: translateY(-8px) scale(1.01);
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .enter-block,
  .reveal,
  .about-card.reveal {
    opacity: 1;
    transform: none;
  }
  .featured-cursor { display: none; }
  .featured-card-bg img {
    transform: none !important;
  }
  .scroll-scrub,
  .scroll-scrub-rotate {
    transform: none !important;
  }
  .feature-card[data-scrub-y] {
    transform: none !important;
    will-change: auto;
  }
  .product-detail-header.reveal .product-detail-features,
  .product-detail-specs-section.reveal .product-detail-specs-grid,
  .product-detail-specs-section.reveal .product-detail-block-head,
  .product-detail-specs-section.reveal .product-detail-specs-inline,
  .product-detail-specs-section.reveal .product-detail-hero,
  .product-gallery-section.reveal .product-gallery-shell,
  .about-contact-row.reveal .about-contact-block,
  .question-detail-article.reveal .content-body,
  .trial-form.reveal .trial-field,
  .page-home .hero-content,
  .page-home .hero-visual,
  .products-section .product-card.reveal .product-card-text,
  .products-section .product-card.reveal .product-card-visual,
  .process-reveal .process-item:not([aria-hidden="true"]) {
    opacity: 1;
    transform: none;
  }
  .process-scroll { animation: none; }
  .product-mechanism * {
    animation: none !important;
  }
  .product-mechanism .mechanism-reactants {
    opacity: 0;
  }
  .product-mechanism .mechanism-dab-product {
    opacity: 1;
    transform: none;
  }
  .product-mechanism .mechanism-binding-flash {
    opacity: 0.2;
    transform: none;
  }
  html { scroll-behavior: auto; }
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; order: 1; }
  .hero-dots {
    position: static;
    transform: none;
    flex-direction: row;
    justify-content: center;
    order: 2;
    margin-top: 8px;
  }
  .process-strip { order: 3; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-visual { order: -1; max-width: 440px; margin: 0 auto; min-height: auto; }
  .hero-float-card--chart { right: 0; }
  .hero-float-card--bar { left: 0; }
  .product-grid { grid-template-columns: 1fr; }
  .featured-track .featured-card {
    flex: 0 0 calc((100% - 20px) / 2);
    width: calc((100% - 20px) / 2);
  }
  .featured-nav {
    width: 40px;
    height: 40px;
  }
  .featured-nav--prev {
    left: max(8px, calc((100% - var(--limit-content-width)) / 2 - 52px));
  }
  .featured-nav--next {
    right: max(8px, calc((100% - var(--limit-content-width)) / 2 - 52px));
  }
  .featured-cursor { display: none; }
  .product-card:hover .product-card-visual::after {
    width: 164px;
    height: 164px;
  }
  .product-card-visual {
    top: 40px;
    right: 16px;
    width: 112px;
    height: 112px;
  }
  .product-card--home .product-card-visual {
    top: 16px;
  }
  .product-icon {
    width: 94px;
    height: 94px;
  }
  .about-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-intro-copy {
    column-count: 1;
  }
  .about-intro-media img {
    aspect-ratio: 16 / 8;
  }
  .about-contact-row {
    grid-template-columns: 1fr;
  }
  .about-contact-map,
  .about-contact-map #allmap,
  .about-map-img,
  #allmap img,
  .about-map-fallback-text {
    height: 280px;
  }
}

@media (max-width: 749.98px) {
  .tech-header-row {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .featured-track .featured-card {
    flex: 0 0 100%;
    width: 100%;
  }
  .featured-nav {
    width: 36px;
    height: 36px;
  }
  .featured-nav--prev { left: 4px; }
  .featured-nav--next { right: 4px; }
  .feature-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .feature-card--hero,
  .feature-card--tall {
    grid-row: auto;
    min-height: 478px;
  }
  .feature-card--custom,
  .feature-card--oem {
    grid-row: auto;
    min-height: 280px;
  }
  .feature-card--hero.is-trial-form {
    min-height: 0;
  }
  .home-trial-form .trial-form-grid {
    grid-template-columns: 1fr;
  }
  .home-trial-form .trial-field input,
  .home-trial-form .trial-contact-combo input,
  .home-trial-form .trial-honorific-trigger {
    height: 44px;
    min-height: 44px;
  }
  .feature-card--custom .home-partner-form .trial-field input,
  .feature-card--oem .home-partner-form .trial-field input {
    height: 28px;
    min-height: 28px;
  }
  .feature-card--custom .home-partner-form .trial-field textarea,
  .feature-card--oem .home-partner-form .trial-field textarea {
    height: 32px;
    min-height: 32px;
  }
  .feature-card--custom.is-partner-form,
  .feature-card--oem.is-partner-form {
    min-height: 271px;
  }
  .feature-card-img--trial {
    object-position: 50% 56%;
  }
  .about-panel {
    margin: 0 10px;
  }
  .about-panel-inner {
    padding: 40px 0;
  }
  .about-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .about-card {
    min-height: 200px;
  }
  .contact-columns {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-top: 28px;
  }
  .footer-links--products,
  .footer-links--services {
    justify-self: start;
  }
}

@media (max-width: 768px) {
  .header-search {
    width: min(180px, 42vw);
    min-width: 132px;
    height: 38px;
    padding: 0 12px;
  }
  .header-search-input {
    font-size: 0.82rem;
  }
  .main-nav {
    position: fixed;
    top: var(--header-h); left: 0; right: 0;
    background: var(--white);
    padding: 16px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav-list { flex-direction: column; align-items: stretch; }
  .nav-item.has-dropdown::after { display: none; }
  .nav-link { display: flex; padding: 12px 16px; }
  .nav-dropdown {
    position: static;
    left: auto;
    top: auto;
    min-width: 0;
    width: 100%;
    margin-top: 4px;
    transform: none;
    box-shadow: none;
    border: none;
    background: rgba(74, 158, 255, 0.06);
    display: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    padding: 4px;
  }
  .has-dropdown.open:not(.is-dismissed) > .nav-dropdown {
    display: block;
  }
  .has-dropdown:hover > .nav-dropdown {
    display: none;
  }
  .has-dropdown.open:hover:not(.is-dismissed) > .nav-dropdown {
    display: block;
  }
  .nav-dropdown-link { white-space: normal; }
  .mobile-toggle { display: flex; }
  .hero { min-height: 100vh; min-height: 100dvh; }
  .hero-carousel { min-height: 280px; }
  .process-item {
    flex-basis: 120px;
    width: 120px;
    min-width: 120px;
  }
  .process-item span { font-size: 0.7rem; max-width: 128px; }
  .page-hero { padding-top: calc(var(--header-h) + 32px); }
  .about-page-banner {
    padding-top: calc(var(--header-h) + 24px);
    padding-bottom: 32px;
    background-position: right top;
  }
  .about-hero {
    max-width: none;
  }
  .about-intro-section {
    margin-top: -20px;
    padding-bottom: 40px;
  }
  .about-intro-panel {
    padding: 22px 18px;
    border-radius: 20px;
  }
  .about-intro-copy {
    column-count: 1;
    margin-bottom: 20px;
  }
  .about-intro-media {
    border-radius: 16px;
  }
  .about-intro-media img {
    aspect-ratio: 16 / 9;
  }
  .about-team-section {
    padding-top: 48px;
    padding-bottom: 8px;
  }
  .about-team-grid {
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }
  .about-team-card {
    flex-basis: auto;
    width: min(220px, 100%);
  }
  .faq-section { padding-top: calc(var(--header-h) + 32px); }
  .faq-question { padding: 18px 0; }
  .faq-answer-inner { padding: 0 8px 18px 0; }
  .about-contact-map,
  .about-contact-map #allmap,
  .about-map-img,
  #allmap img,
  .about-map-fallback-text {
    height: 260px;
  }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .section { padding: 56px 0; }
}

/* ===== Products page ===== */
body.page-products {
  background: #fff;
}
.products-page-banner {
  width: 100%;
  padding-top: calc(var(--header-h) + 36px);
  padding-bottom: clamp(40px, 5vw, 64px);
  background-color: #eaf4ff;
  background-image: url('../images/product-bg.jpg');
  background-repeat: no-repeat;
  background-position: center top;
  background-size: cover;
}
.products-list-section {
  padding-top: 40px;
  padding-bottom: 96px;
  background: #fff;
}
.products-hero {
  position: relative;
  max-width: 640px;
}
.products-hero-content {
  position: relative;
  z-index: 1;
}
.products-hero-title {
  margin: 0 0 14px;
  font-size: clamp(2rem, 3.6vw, 3rem);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.products-hero-subtitle {
  margin: 0;
  max-width: 34em;
  font-size: clamp(0.92rem, 1.05vw, 1.05rem);
  line-height: 1.65;
  color: #4b637a;
  font-weight: 400;
}
.products-hero-subtitle:empty {
  display: none;
}
.products-breadcrumb {
  margin-bottom: 14px;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.products-breadcrumb a:hover {
  color: var(--primary);
}
.products-layout {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}
body.page-products-simple .products-layout {
  grid-template-columns: 1fr;
}
body.page-products-simple .products-alpha,
body.page-products-simple .products-filter {
  display: none;
}
body.page-products-simple .products-list {
  gap: 0;
}
body.page-products-molecular:not(.page-products-search) .products-filters,
body.page-products-molecular:not(.page-products-search) .products-toolbar {
  display: none;
}
body.page-products-search .products-layout {
  grid-template-columns: 1fr;
}
body.page-products-search .products-alpha {
  display: none;
}
body.page-products-search .products-filters {
  display: none;
}
body.page-products-search .products-list {
  gap: 48px;
}
body.page-products-search .product-group-title {
  color: var(--text);
}
.products-alpha {
  position: sticky;
  top: calc(var(--header-h) + 16px);
}
.products-alpha-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  max-height: calc(100vh - var(--header-h) - 40px);
  overflow-y: auto;
  padding-right: 2px;
}
.alpha-letter {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text);
  background: transparent;
  border: none;
  box-shadow: none;
  transition: color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.alpha-letter:hover {
  color: var(--primary);
  background: transparent;
}
.alpha-letter.active {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 4px 12px rgba(74, 158, 255, 0.35);
}
.products-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}
.products-filters {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
}
.products-search {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border: 1px solid rgba(0,0,0,.1);
  border-radius: 100px;
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.products-search:focus-within {
  /* background: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(74, 158, 255, 0.15); */
}
.products-search-icon {
  color: var(--text-light);
  flex-shrink: 0;
}
.products-search-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  color: inherit;
}
.products-search-submit:hover .products-search-icon {
  color: var(--primary-dark, #009bdf);
}
.products-search-input {
  width: 100%;
  border: none;
  outline: none;
  background: transparent;
  font: inherit;
  font-size: 0.88rem;
  color: var(--text);
}
.products-search-input::placeholder {
  color: var(--text-light);
}
.products-filter {
  position: relative;
  flex-shrink: 0;
}
.products-filter[data-filter-key="category"] {
  display: none !important;
}
.products-filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 15px;
  background: rgba(255, 255, 255, 0.35);
  border: 1px solid rgba(0,0,0,.1);
  border-radius: 100px;
  font-size: 0.88rem;
  color: var(--text);
  white-space: nowrap;
  backdrop-filter: blur(4px);
  transition: var(--transition);
}
.products-filter-btn:hover,
.products-filter.is-open .products-filter-btn,
.products-filter-btn.is-active {
  background: rgba(255, 255, 255, 0.5);
  border-color: rgba(74, 158, 255, 0.45);
  color: var(--primary);
}
.products-filter-chevron {
  color: var(--text);
  transition: transform 0.2s ease;
}
.products-filter.is-open .products-filter-chevron {
  transform: rotate(180deg);
}
.products-filter-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 30;
  min-width: 100%;
  max-height: 280px;
  overflow-y: auto;
  padding: 8px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid #e3ecf5;
  border-radius: 14px;
  box-shadow: 0 16px 40px rgba(26, 35, 50, 0.12);
}
.products-filter-option {
  display: block;
  width: 100%;
  text-align: left;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
  transition: background 0.15s ease, color 0.15s ease;
}
.products-filter-option:hover,
.products-filter-option.is-active {
  color: var(--primary);
  background: var(--primary-light);
}
.products-count {
  font-size: 0.92rem;
  color: var(--text-muted);
}
.products-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.product-group-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid #e1eaf5;
  letter-spacing: 0.02em;
  line-height: 1;
}
.product-card-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.product-card-list--catalog {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 24px;
}
.product-card-list--molecular {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px;
  max-width: 1000px;
  margin: 30px auto 0;
}
.catalog-card {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: 10px;
  border: 1px solid rgba(32, 32, 37, 0.08);
  color: var(--text);
  text-decoration: none;
  background: #fff;
  padding: 0 0 12px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.catalog-card:hover {
  box-shadow: 0 6px 14px rgba(16,24,40,.06), 0 2px 5px rgba(16,24,40,.02);
}
.catalog-card--skeleton {
  pointer-events: none;
}
img.is-placeholder,
.catalog-card-media img.is-placeholder,
.ab-card-media img.is-placeholder,
.featured-card-bg img.is-placeholder,
.product-recommend-media img.is-placeholder,
.product-gallery-main-img.is-placeholder,
.product-detail-image.is-placeholder,
.page-product-secondary .product-detail-media .product-detail-image.is-placeholder,
.page-product-ihc .product-detail-media .product-detail-image.is-placeholder {
  background-color: #f7f7f7;
  background-image: none;
  object-fit: cover;
  object-position: center;
  padding: 0;
}
.catalog-card-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: #f5f5f5;
}
.catalog-card-media img,
.catalog-card-fallback {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transform: scale(1);
  transition: transform 0.45s ease;
}
.catalog-card-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f7f7f7;
  color: #c4c8ce;
}
.catalog-card-fallback .product-image-placeholder {
  width: 34%;
  height: auto;
}
.catalog-card:hover .catalog-card-media img,
.catalog-card:hover .catalog-card-fallback {
  transform: scale(1.08);
}
.catalog-card-text {
  min-width: 0;
  padding: 14px 8px 4px;
  text-align: center;
}
.catalog-card-title {
  display: inline-block;
  margin: 0;
  max-width: 100%;
  font-size: clamp(0.92rem, 0.95vw, 1.05rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--text);
  letter-spacing: -0.01em;
  transition: color 0.25s ease;
}
.catalog-card:hover .catalog-card-title {
  color: var(--primary-dark);
}
.catalog-card-catalog {
  margin: 6px 0 0;
  font-size: 0.88rem;
  font-weight: 400;
  line-height: 1.4;
  color: var(--text-muted);
}
.catalog-card-catalog:empty {
  display: none;
}
.catalog-card--image {
  padding: 0;
  margin: 0;
  cursor: default;
  pointer-events: none;
}
.catalog-card--image:hover {
  box-shadow: none;
}
.catalog-card--image:hover .catalog-card-media img,
.catalog-card--image:hover .catalog-card-fallback {
  transform: none;
}
@keyframes skeleton-shimmer {
  0% { background-position: -420px 0; }
  100% { background-position: 420px 0; }
}
.skeleton-shimmer {
  background: linear-gradient(90deg, #eef2f6 0%, #f8fafc 45%, #eef2f6 90%);
  background-size: 840px 100%;
  animation: skeleton-shimmer 1.35s ease-in-out infinite;
}
.skeleton-count {
  display: inline-block;
  width: 120px;
  height: 14px;
  border-radius: 999px;
}
.skeleton-group-title {
  width: 36px;
  height: 28px;
  border-radius: 8px;
  margin-bottom: 16px;
}
.ab-card--skeleton {
  pointer-events: none;
}
.ab-card--skeleton:hover {
  box-shadow: 0 6px 14px rgba(16, 24, 40, 0.06), 0 2px 5px rgba(16, 24, 40, 0.02);
  transform: none;
}
.ab-card--skeleton .ab-card-media {
  background: #eef2f6;
  box-shadow: none;
}
.skeleton-line {
  height: 12px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.skeleton-line--sm { width: 42%; }
.skeleton-line--md { width: 68%; margin-bottom: 12px; }
.skeleton-line--lg { width: 88%; height: 18px; margin-bottom: 12px; }
.skeleton-line--meta { width: 100%; margin-bottom: 8px; }
.skeleton-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.skeleton-pill {
  width: 56px;
  height: 22px;
  border-radius: 999px;
}
.skeleton-btn {
  width: 100%;
  height: 36px;
  border-radius: 999px;
  margin-top: auto;
}
.ab-card {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 0;
  padding: 20px;
  background: #fff;
  border: 1px solid rgba(32, 32, 37, 0.08);
  border-radius: 10px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.ab-card:hover {
  box-shadow: 0 6px 14px rgba(16,24,40,.06),0 2px 5px rgba(16,24,40,.02);
}
.ab-card-layout {
  display: flex;
  align-items: stretch;
  gap: 18px;
  min-width: 0;
}
.ab-card-left {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: flex-start;
  gap: 18px;
}
.ab-card-right {
  flex-shrink: 0;
  width: 150px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
}
.ab-card-top {
  display: flex;
  align-items: stretch;
  gap: 18px;
  min-width: 0;
}
.ab-card-media {
  position: relative;
  width: 140px;
  height: 140px;
  border-radius: 4px;
  overflow: hidden;
  background: var(--primary-light);
  border: none;
  box-shadow: none;
  flex-shrink: 0;
}
.ab-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}
.ab-card:hover .ab-card-media img {
  transform: scale(1.08);
}
.ab-card-media-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #c4c8ce;
  background: #f7f7f7;
  transition: transform 0.35s ease;
}
.ab-card-media-fallback .product-image-placeholder {
  width: 42%;
  height: auto;
}
.ab-card:hover .ab-card-media-fallback {
  transform: scale(1.08);
}
.ab-card-body {
  flex: 1;
  min-width: 0;
  min-height: 140px;
  display: flex;
  flex-direction: column;
}
.ab-card-content-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex: 1;
  min-width: 0;
}
.ab-card-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.ab-card-meta-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.81rem;
  line-height: 1.45;
}
.ab-card-meta-item .ab-card-field-label {
  flex: 0 0 3.2em;
  white-space: nowrap;
}
.ab-card-meta-item .ab-card-field-value {
  flex: 1;
  min-width: 0;
  white-space: normal;
  word-break: break-word;
}
.ab-card-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: auto;
}
.ab-card-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
}
.ab-card-title-group {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  min-width: 0;
  flex: 1;
}
.ab-card-catalog {
  font-size: 0.81rem;
  color: var(--text-light);
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 2px;
}
.ab-card-title {
  display: inline-block;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.25;
  margin-bottom: 10px;
}
.ab-card-title-link {
  display: inline-block;
  color: inherit;
  text-decoration: none;
}
.ab-card-title-link::after,
a.ab-card .ab-card-title::after {
  content: '';
  display: block;
  width: 100%;
  height: 0.5px;
  background: currentColor;
  margin-top: 2px;
  transform: scaleX(0);
  opacity: 0;
  transform-origin: right center;
  transition:
    transform 0.55s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1),
    transform-origin 0s;
}
.ab-card-title-link:hover::after,
.ab-card-title-link:focus-visible::after,
a.ab-card:hover .ab-card-title::after,
a.ab-card:focus-visible .ab-card-title::after {
  transform: scaleX(1);
  opacity: 1;
  transform-origin: left center;
}
.ab-card-title-link:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 2px;
}
.ab-card-aliases {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 6px;
}
.ab-card-species,
.ab-card-dilution {
  font-size: 0.81rem;
  line-height: 1.45;
  color: var(--text-muted);
  font-weight: 500;
}
.ab-card-dilution {
  margin-top: 2px;
}
.ab-card-field-label {
  color: var(--text-light);
}
.ab-card-field-value {
  color: var(--text-muted);
  font-weight: 500;
}
.ab-tag {
  display: inline-flex;
  align-items: center;
  padding: 0px 8px;
  border-radius: 16px;
  border: 1px solid rgba(74, 158, 255, 0.15);
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 0.75rem;
}
.ab-trial-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  margin-top: 2px;
  padding: 5px 14px;
  border-radius: 30px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--primary);
  background: transparent;
  border: 1.5px solid var(--primary);
  box-shadow: none;
  transition: var(--transition);
  white-space: nowrap;
}
.ab-trial-btn:hover {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
}
.ab-trial-btn.is-added {
  color: var(--text-light);
  background: transparent;
  border: 1.5px solid var(--text-light);
  box-shadow: none;
}
.ab-trial-btn.is-added:hover {
  color: var(--text-light);
  background: transparent;
  border-color: var(--text-light);
  transform: none;
  box-shadow: none;
}
.products-empty {
  padding: 48px 24px;
  text-align: center;
  color: var(--text-muted);
  background: #fff;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

/* ===== Contact FAB + Trial FAB ===== */
.scroll-top {
  bottom: 108px;
}
.contact-fab-wrap {
  position: fixed;
  right: 24px;
  bottom: 40px;
  z-index: 1003;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}
.contact-fab-wrap.is-hidden-by-trial {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.page-products .contact-fab-wrap,
.page-trial .contact-fab-wrap {
  bottom: 104px;
}
.contact-fab {
  position: relative;
  isolation: isolate;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  color: var(--primary);
  background: rgba(255, 255, 255, 0.94);
  box-shadow:
    0 8px 22px rgba(46, 128, 235, 0.16),
    0 0 0 1px rgba(74, 158, 255, 0.16);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}
.contact-fab::before,
.trial-fab::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: 0 0 0 0 rgba(74, 158, 255, 0.22);
  opacity: 0;
  pointer-events: none;
  z-index: -1;
}
.contact-fab-icon,
.trial-fab-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
  transform-origin: center;
  transition: transform 0.25s ease;
}
.contact-fab-icon svg,
.trial-fab-icon svg {
  display: block;
}
.contact-fab:hover {
  transform: translateY(-2px);
  color: #fff;
  background: var(--gradient);
  box-shadow:
    0 12px 28px rgba(46, 128, 235, 0.26),
    0 0 0 1px rgba(74, 158, 255, 0.18);
}
.contact-fab:hover::before,
.trial-fab:hover::before {
  animation: fab-shadow-pulse 0.7s ease-out 1;
}
.contact-fab:hover .contact-fab-icon {
  animation: contact-fab-icon-hover 0.55s ease-in-out 1;
}
.contact-popover {
  position: absolute;
  right: 0;
  bottom: calc(100% + 12px);
  width: min(440px, calc(100vw - 32px));
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.contact-popover-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 16px 16px;
  background: #f7fbff;
  border-bottom: 1px solid rgba(74, 158, 255, 0.12);
}
.contact-popover-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  flex: 1;
}
.contact-popover-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  flex: 0 0 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #1f2a37;
  background: #d8ebff;
  box-shadow: inset 0 0 0 1px rgba(74, 158, 255, 0.08);
}
.contact-popover-intro {
  min-width: 0;
}
.contact-popover-intro h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.3;
  color: #1a2332;
}
.contact-popover-intro p {
  margin: 4px 0 0;
  font-size: 0.88rem;
  line-height: 1.45;
  color: #6b7c90;
}
.contact-popover-close {
  width: 28px;
  height: 28px;
  margin-top: 2px;
  border-radius: 8px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-popover-close:hover {
  background: rgba(74, 158, 255, 0.12);
  color: var(--primary);
}
.contact-popover-body {
  padding: 16px 16px 18px;
  max-height: min(70vh, 560px);
  overflow-y: auto;
}
.contact-form .trial-form-grid,
.contact-form-grid {
  gap: 18px 20px;
}
.contact-form-actions {
  margin-top: 8px;
}
.contact-form-actions .btn {
  min-width: 160px;
}
.contact-success-card {
  text-align: center;
  padding: 28px 12px 12px;
}
.contact-success-card h2 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}
.contact-success-card p {
  color: var(--text-muted);
  margin: 0 auto 20px;
  line-height: 1.6;
}

.page-products .scroll-top,
.page-trial .scroll-top {
  bottom: 172px;
}
.trial-fab-wrap {
  position: fixed;
  right: 24px;
  bottom: 40px;
  z-index: 1004;
}
.trial-fab {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  width: 52px;
  height: 52px;
  padding: 0;
  border-radius: 999px;
  color: var(--primary);
  background: rgba(255, 255, 255, 0.94);
  box-shadow:
    0 8px 22px rgba(46, 128, 235, 0.16),
    0 0 0 1px rgba(74, 158, 255, 0.16);
  overflow: visible;
  transition: width 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease, color 0.25s ease, gap 0.25s ease;
}
.trial-fab:hover {
  width: 142px;
  gap: 8px;
  transform: translateY(-2px);
  color: #fff;
  background: var(--gradient);
  box-shadow:
    0 12px 28px rgba(46, 128, 235, 0.26),
    0 0 0 1px rgba(74, 158, 255, 0.18);
}
.trial-fab:hover .trial-fab-icon {
  animation: trial-fab-icon-hover 0.55s ease-in-out 1;
}
.trial-fab-text {
  max-width: 0;
  opacity: 0;
  overflow: hidden;
  white-space: nowrap;
  font-size: 0.92rem;
  font-weight: 700;
  color: currentColor;
  transition: max-width 0.25s ease, opacity 0.2s ease;
}
.trial-fab:hover .trial-fab-text {
  max-width: 88px;
  opacity: 1;
}
.trial-fab-badge {
  position: absolute;
  top: -6px;
  right: -4px;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  border-radius: 999px;
  background: #e35d5d;
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #fff;
}
@keyframes contact-fab-icon-hover {
  0% { transform: translateY(0) scale(1); }
  40% { transform: translateY(-2px) scale(1.08); }
  100% { transform: translateY(0) scale(1); }
}
@keyframes trial-fab-icon-hover {
  0% { transform: translateY(0) rotate(0deg); }
  35% { transform: translateY(-2px) rotate(-8deg); }
  70% { transform: translateY(0) rotate(6deg); }
  100% { transform: translateY(0) rotate(0deg); }
}
@keyframes fab-shadow-pulse {
  0% {
    opacity: 0.55;
    box-shadow: 0 0 0 0 rgba(74, 158, 255, 0.28);
  }
  100% {
    opacity: 0;
    box-shadow: 0 0 0 16px rgba(74, 158, 255, 0);
  }
}
.trial-popover {
  position: absolute;
  right: 0;
  bottom: calc(100% + 12px);
  width: min(340px, calc(100vw - 32px));
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.trial-popover-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 16px 16px;
  background: #f7fbff;
  border-bottom: 1px solid rgba(74, 158, 255, 0.12);
}
.trial-popover-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  flex: 1;
}
.trial-popover-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  flex: 0 0 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  background: #d8ebff;
  box-shadow: inset 0 0 0 1px rgba(74, 158, 255, 0.08);
}
.trial-popover-intro {
  min-width: 0;
}
.trial-popover-intro h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.3;
  color: #1a2332;
}
.trial-popover-intro p {
  margin: 4px 0 0;
  font-size: 0.88rem;
  line-height: 1.45;
  color: #6b7c90;
}
.trial-popover-close {
  width: 28px;
  height: 28px;
  margin-top: 2px;
  border-radius: 8px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.trial-popover-close:hover {
  background: rgba(74, 158, 255, 0.12);
  color: var(--primary);
}
.trial-popover-body {
  max-height: 260px;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.trial-popover-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: #f5f9fd;
}
.trial-popover-item-main {
  min-width: 0;
  flex: 1;
}
.trial-popover-item-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary-dark);
}
.trial-popover-item-meta {
  font-size: 0.75rem;
  color: var(--text-light);
  margin-top: 2px;
}
.trial-popover-remove {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  color: var(--text-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.trial-popover-remove:hover {
  background: #ffe8e8;
  color: #d14343;
}
.trial-popover-empty {
  padding: 20px 16px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.88rem;
}
.trial-popover-foot {
  padding: 12px 16px 16px;
  display: flex;
  justify-content: flex-end;
  border-top: 1px solid var(--border);
}
.trial-go-btn {
  padding: 10px 18px;
  font-size: 0.88rem;
}
.trial-go-btn.is-disabled {
  opacity: 0.45;
  pointer-events: none;
}

.site-toast {
  position: fixed;
  left: 50%;
  top: 28vh;
  transform: translateX(-50%) translateY(-10px);
  z-index: 1100;
  max-width: min(90vw, 360px);
  padding: 12px 18px;
  border-radius: 999px;
  background: rgba(26, 35, 50, 0.92);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.site-toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ===== Trial page ===== */
.trial-section {
  padding-top: calc(var(--header-h) + 48px);
  padding-bottom: 96px;
  /* background:
    radial-gradient(ellipse 80% 55% at 8% 0%, rgba(74, 158, 255, 0.14) 0%, transparent 55%),
    linear-gradient(180deg, #eaf4ff 0%, #f6fbff 40%, #fff 100%); */
}
.trial-container {
  max-width: 920px;
}
.trial-eligibility {
  margin: 12px 0 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-muted);
}
.trial-panel {
  background: #fff;
  border-radius: var(--radius-lg);
}
.trial-products-block {
  margin-bottom: 28px;
}
.trial-products-head {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  margin-bottom: 14px;
}
.trial-block-title {
  font-size: 1.15rem;
  font-weight: 750;
}
.trial-add-more-wrap {
  position: relative;
  display: inline-flex;
}
.trial-add-more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: 1px solid rgba(95, 115, 137, 0.25);
  border-radius: 30px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.35);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.2;
  backdrop-filter: blur(4px);
  transition: var(--transition);
  cursor: pointer;
}
.trial-add-more:hover {
  background: rgba(255, 255, 255, 0.5);
  border-color: rgba(74, 158, 255, 0.45);
  color: var(--primary);
}
.trial-add-more-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 100%;
  margin: 0;
  padding: 6px;
  list-style: none;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 12px 28px rgba(26, 35, 50, 0.12);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.18s ease, visibility 0.18s ease;
  z-index: 20;
}
.trial-add-more-wrap:hover .trial-add-more-menu,
.trial-add-more-wrap:focus-within .trial-add-more-menu,
.trial-add-more-wrap.is-open .trial-add-more-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.trial-add-more-wrap--up .trial-add-more-menu {
  top: auto;
  bottom: calc(100% + 8px);
  left: auto;
  right: 0;
}
.trial-add-more-wrap--up::before,
.trial-add-more-wrap--up .trial-add-more-menu::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 12px;
}
.trial-add-more-wrap--up::before {
  bottom: 100%;
}
.trial-add-more-wrap--up .trial-add-more-menu::after {
  top: 100%;
}
.trial-add-more-option:focus-visible {
  color: var(--primary);
  background: var(--primary-light);
  outline: none;
}
.trial-add-more-option {
  display: block;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.35;
  color: var(--text-muted);
  white-space: nowrap;
  transition: var(--transition);
}
.trial-add-more-option:hover {
  color: var(--primary);
  background: var(--primary-light);
}
.trial-add-more-arrow {
  display: inline-flex;
  overflow: hidden;
  width: 1.1em;
  max-width: 1.1em;
  opacity: 1;
}
.trial-add-more-arrow-inner {
  display: inline-block;
  transform: translateX(0);
  transition: transform 0.28s ease;
  white-space: nowrap;
}
.trial-add-more:hover .trial-add-more-arrow-inner {
  animation: trial-add-more-arrow-in 0.6s ease;
}

@keyframes trial-add-more-arrow-in {
  from {
    transform: translateX(-110%);
    opacity: 0.2;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}
.trial-empty {
  padding: 22px 18px;
  border-radius: 12px;
  background: #f5f9fd;
  color: var(--text-muted);
  text-align: center;
}
.trial-empty a {
  color: var(--primary);
  font-weight: 700;
}
.trial-table-wrap {
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  background: #fff;
}
.trial-table {
  width: 100%;
  border-collapse: collapse;
}
.trial-table th,
.trial-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: middle;
  font-size: 0.92rem;
}
.trial-table thead th {
  background: #eef5fc;
  color: var(--text);
  font-weight: 700;
  border-bottom: 1px solid var(--border);
}
.trial-table tbody td {
  border-top: 1px solid var(--border);
  color: var(--text);
}
.trial-table tbody tr:first-child td {
  border-top: none;
}
.trial-products-block.reveal .trial-table tbody tr {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1), transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}
.trial-products-block.reveal.visible .trial-table tbody tr {
  opacity: 1;
  transform: translateY(0);
}
.trial-products-block.reveal.visible .trial-table tbody tr:nth-child(2) { transition-delay: 0.06s; }
.trial-products-block.reveal.visible .trial-table tbody tr:nth-child(3) { transition-delay: 0.12s; }
.trial-products-block.reveal.visible .trial-table tbody tr:nth-child(4) { transition-delay: 0.18s; }
.trial-products-block.reveal.visible .trial-table tbody tr:nth-child(5) { transition-delay: 0.24s; }
.trial-ab-name {
  font-weight: 700;
  color: var(--text);
}
.trial-ab-alias {
  margin-top: 4px;
  font-size: 0.8rem;
  color: var(--text-light);
  font-weight: 500;
}

.trial-table-actions {
  width: 64px;
  text-align: center;
}
.trial-selected-remove {
  color: var(--text-light);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.trial-selected-remove:hover {
  background: #ffe8e8;
  color: #d14343;
}

.trial-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 32px;
}
.trial-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}
.trial-field--full {
  grid-column: 1 / -1;
}
.trial-field label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}
.trial-field .required { color: #e35d5d; margin-left: 2px; }
.trial-field .optional {
  margin-left: 6px;
  color: var(--text-light);
  font-weight: 500;
  font-size: 0.8rem;
}
.trial-field input,
.trial-field textarea {
  width: 100%;
  border: none;
  border-bottom: 1px solid #d7e0ea;
  border-radius: 0;
  padding: 10px 2px;
  font: inherit;
  color: var(--text);
  background: transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.trial-field input:focus,
.trial-field textarea:focus {
  outline: none;
  border-bottom-color: var(--primary);
  box-shadow: none;
}
.trial-field textarea {
  resize: vertical;
  min-height: 88px;
  line-height: 1.6;
}
.trial-contact-combo {
  display: flex;
  align-items: stretch;
  border: none;
  border-bottom: 1px solid #d7e0ea;
  border-radius: 0;
  background: transparent;
  overflow: visible;
  transition: border-color var(--transition);
}
.trial-contact-combo:focus-within {
  border-bottom-color: var(--primary);
  box-shadow: none;
}
.trial-contact-combo input {
  border: none;
  border-radius: 0;
  box-shadow: none;
  flex: 1;
  min-width: 0;
  padding: 10px 2px;
  background: transparent;
}
.trial-contact-combo input:focus {
  outline: none;
  box-shadow: none;
  border: none;
}
.trial-honorific {
  position: relative;
  flex-shrink: 0;
  border-left: none;
}
.trial-honorific-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 100%;
  min-width: 72px;
  padding: 0 4px 0 12px;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
  background: transparent;
}
.trial-honorific-trigger:hover {
  color: var(--primary);
}
.trial-honorific-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 112px;
  padding: 6px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 12px 28px rgba(26, 35, 50, 0.12);
  z-index: 20;
}
.trial-honorific-option {
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--text);
}
.trial-honorific-option:hover,
.trial-honorific-option.is-active {
  color: var(--primary);
  background: var(--primary-light);
}
.trial-field-error,
.trial-form-error {
  color: #d14343;
  font-size: 0.82rem;
}
.trial-form-actions {
  margin-top: 24px;
  display: flex;
  justify-content: center;
}
.trial-form-actions .btn {
  min-width: 220px;
  justify-content: center;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 30px;
}
.trial-success {
  margin-top: 8px;
}
.trial-success-card {
  text-align: center;
  padding: 36px 20px;
}
.trial-success-card h2 {
  font-size: 1.4rem;
  margin-bottom: 10px;
}
.trial-success-card p {
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto 24px;
}
.trial-success-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.trial-success-actions .btn {
  min-width: 180px;
  justify-content: center;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 30px;
}

@media (max-width: 1100px) {
  .product-card-list--catalog {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .product-card-list {
    grid-template-columns: 1fr;
  }
  .product-card-list--catalog {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .product-card-list--molecular {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 749.98px) {
  .products-page-banner {
    padding-top: calc(var(--header-h) + 24px);
    padding-bottom: 32px;
    background-position: right top;
  }
  .products-hero {
    max-width: none;
  }
  .products-filters {
    flex-wrap: wrap;
    padding: 0;
    gap: 10px;
  }
  .products-search {
    flex: 1 1 100%;
  }
  .products-filter {
    flex: 1 1 calc(50% - 5px);
  }
  .products-filter-btn {
    width: 100%;
    justify-content: space-between;
  }
  .products-filter-menu {
    left: 0;
    right: 0;
    min-width: 0;
  }
  .products-layout {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .products-alpha {
    position: static;
  }
  .products-alpha-inner {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: flex-start;
    max-height: none;
    gap: 6px;
  }
  .product-card-list {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .product-card-list--catalog {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }
  .product-card-list--molecular {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .ab-card {
    padding: 18px;
  }
  .ab-card-media {
    width: 96px;
    height: 96px;
    border-radius: 14px;
  }
  .ab-card-title {
    font-size: 1.1rem;
    white-space: normal;
  }
  .ab-card-layout {
    flex-direction: column;
    gap: 14px;
  }
  .ab-card-left {
    width: 100%;
  }
  .ab-card-right {
    width: 100%;
    max-width: none;
    min-width: 0;
  }
  .ab-card-body {
    min-height: 96px;
  }
  .ab-card-meta {
    width: 42%;
    max-width: none;
  }
  .ab-card-species,
  .ab-card-dilution {
    white-space: normal;
  }
  .ab-card-header-row {
    gap: 8px;
  }
  .ab-trial-btn {
    padding: 4px 10px;
    font-size: 0.78rem;
  }
  .trial-products-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .trial-form-grid {
    grid-template-columns: 1fr;
  }
  .trial-table-wrap {
    overflow-x: auto;
  }
  .trial-table {
    min-width: 640px;
  }
  .contact-fab-wrap,
  .trial-fab-wrap {
    right: 16px;
  }
  .contact-fab-wrap {
    bottom: 32px;
  }
  .page-products .contact-fab-wrap,
  .page-trial .contact-fab-wrap {
    bottom: 96px;
  }
  .trial-fab-wrap {
    bottom: 32px;
  }
  .scroll-top {
    bottom: 100px;
    right: 16px;
  }
  .page-products .scroll-top,
  .page-trial .scroll-top {
    bottom: 164px;
    right: 16px;
  }
  .trial-fab-text { display: none; }
  .trial-fab,
  .trial-fab:hover {
    width: 52px;
    height: 52px;
    padding: 0;
    gap: 0;
  }
  .contact-form-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== Error pages ===== */
.error-page-banner {
  display: flex;
  align-items: center;
  min-height: calc(100vh - var(--header-h) - 280px);
  padding-top: calc(var(--header-h) + 48px);
  padding-bottom: clamp(48px, 8vw, 88px);
  background: var(--gradient-hero);
}
.error-page-banner .container {
  display: flex;
  justify-content: center;
}
.error-page-content {
  position: relative;
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  padding: 0 16px;
  text-align: center;
}
.error-page-content.reveal {
  animation: errorPageReveal 0.7s ease 0.05s forwards;
}
@keyframes errorPageReveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.error-page-code {
  margin: 0 0 8px;
  font-size: clamp(4.5rem, 14vw, 7rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--primary);
  opacity: 0.18;
  user-select: none;
}
.error-page-header {
  margin-bottom: 0;
}
.error-page-header .section-title {
  align-items: center;
}
.error-page-message {
  max-width: 36ch;
  margin-left: auto;
  margin-right: auto;
  color: var(--text-muted);
}
.error-page-actions {
  margin-top: 28px;
}
.error-page-actions .feature-btn {
  align-self: center;
}

@media (max-width: 480px) {
  .error-page-banner {
    padding-top: calc(var(--header-h) + 32px);
    padding-bottom: 48px;
  }
  .error-page-code {
    font-size: clamp(3.5rem, 24vw, 5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .error-page-content.reveal {
    opacity: 1;
    transform: none;
    animation: none;
  }
}

/* ===== Product detail (primary antibody) ===== */
.page-product-primary .contact-fab-wrap {
  bottom: 104px;
}
.page-product-primary .trial-fab-wrap {
  bottom: 40px;
}
.page-product-primary .scroll-top {
  bottom: 176px;
}
.product-detail-page .product-detail-section {
  padding-top: calc(var(--header-h) + 48px);
  padding-bottom: clamp(48px, 5vw, 72px);
}
.product-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px;
  gap: clamp(20px, 2.5vw, 32px);
  align-items: start;
}
.product-detail-main {
  min-width: 0;
}
.product-detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 52%) minmax(0, 1fr);
  gap: clamp(20px, 2.5vw, 32px);
  align-items: start;
}
.product-gallery-main {
  overflow: hidden;
  background: transparent;
}
.product-gallery-main-btn {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
}
.product-gallery-main-btn:disabled {
  cursor: default;
}
.product-gallery-main-img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: center;
  background: #f8fbff;
  transition: opacity 0.32s ease;
}
.product-gallery-main-img.is-switching {
  opacity: 0.12;
}
.product-gallery-empty {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, #f3f8ff 0%, #eaf4ff 100%);
}
.product-gallery-empty[hidden] {
  display: none !important;
}
.product-gallery-caption {
  margin: 12px 0 0;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-muted);
}
.product-gallery-sources {
  display: none;
}
.product-gallery-shell {
  display: flex;
  align-items: center;
  gap: clamp(8px, 1.2vw, 16px);
}
.product-gallery-shell .product-gallery-layout {
  flex: 1;
  min-width: 0;
}
.product-gallery-side-nav {
  flex-shrink: 0;
  width: 28px;
  height: 64px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: color var(--transition);
}
.product-gallery-side-nav svg {
  display: block;
  width: 11px;
  height: 22px;
}
.product-gallery-side-nav:hover {
  color: var(--text);
}
.product-gallery-side-nav[hidden] {
  display: none !important;
}
.product-detail-title {
  margin: 0 0 14px;
  font-size: clamp(32px, 3.2vw, 48px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
}
.page-product-secondary .product-detail-title,
.page-product-ihc .product-detail-title {
  font-size: clamp(24px, 2.4vw, 32px);
  letter-spacing: 0;
  line-height: 1.35;
}
.page-product-secondary .product-detail-specs-section,
.page-product-ihc .product-detail-specs-section {
  margin-top: 16px;
  padding-top: 0;
  border-top: 0;
}
.page-product-secondary .product-detail-hero,
.page-product-ihc .product-detail-hero {
  display: flex;
  align-items: flex-start;
  gap: 24px 32px;
}
.page-product-secondary .product-detail-media,
.page-product-ihc .product-detail-media {
  flex: 0 0 200px;
  width: 200px;
  max-width: 36%;
  aspect-ratio: 1;
  overflow: hidden;
}
.page-product-secondary .product-detail-media .product-detail-image,
.page-product-ihc .product-detail-media .product-detail-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 10px;
  border: 1px solid rgba(32, 32, 37, 0.08);
  background-color: #f7f7f7;
}
.page-product-ihc .product-detail-media .product-detail-image {
  object-fit: cover;
  object-position: center;
}
.page-product-secondary .product-detail-specs-inline,
.page-product-ihc .product-detail-specs-inline {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  flex: 1 1 auto;
  min-width: 0;
}
.page-product-secondary .product-detail-specs-grid--simple,
.page-product-ihc .product-detail-specs-grid--simple {
  display: grid;
  grid-template-columns: 1fr;
  width: 100%;
  gap: 0;
}
.page-product-secondary .product-detail-spec-row {
  grid-template-columns: 7.5em minmax(0, 1fr);
}
.page-product-secondary .product-gallery-layout {
  grid-template-columns: 1fr;
}
.page-product-secondary .product-gallery-sources {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.page-product-secondary .product-gallery-sources[hidden] {
  display: none !important;
}
.page-product-secondary .product-gallery-thumb {
  display: block;
  width: 72px;
  padding: 0;
  border: 2px solid transparent;
  border-radius: 6px;
  overflow: hidden;
  background: #f7f7f7;
  cursor: pointer;
}
.page-product-secondary .product-gallery-thumb[hidden] {
  display: none !important;
}
.page-product-secondary .product-gallery-thumb.is-active {
  border-color: var(--primary);
}
.page-product-secondary .product-gallery-thumb img {
  display: block;
  width: 100%;
  height: 54px;
  object-fit: cover;
}
.page-product-secondary .product-detail-specs-section .product-detail-actions,
.page-product-ihc .product-detail-specs-section .product-detail-actions {
  margin-left: 0;
  margin-top: 8px;
  justify-content: flex-start;
}
.page-product-secondary .product-detail-specs-section.reveal .product-detail-specs-grid,
.page-product-secondary .product-detail-specs-section.reveal .product-detail-specs-inline,
.page-product-ihc .product-detail-specs-section.reveal .product-detail-specs-grid,
.page-product-ihc .product-detail-specs-section.reveal .product-detail-specs-inline {
  opacity: 1;
  transform: none;
  transition: none;
}
.page-product-ihc .product-detail-block {
  margin-top: 0;
}
.page-product-ihc .product-detail-body {
  margin-top: clamp(40px, 4vw, 64px);
}
.product-detail-header {
  margin-bottom: 0;
}

.product-detail-block {
  margin-top: clamp(40px, 4vw, 64px);
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.product-detail-block-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}
.product-detail-block-head .product-section-title {
  margin-bottom: 0;
  flex: 1;
  min-width: 0;
}
.product-detail-header.reveal .product-detail-features,
.product-detail-specs-section.reveal .product-detail-specs-grid,
.product-detail-specs-section.reveal .product-detail-block-head,
.product-detail-specs-section.reveal .product-detail-specs-inline,
.product-detail-specs-section.reveal .product-detail-hero,
.product-gallery-section.reveal .product-gallery-shell {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.product-detail-header.reveal.visible .product-detail-features,
.product-detail-specs-section.reveal.visible .product-detail-specs-grid,
.product-detail-specs-section.reveal.visible .product-detail-block-head,
.product-detail-specs-section.reveal.visible .product-detail-specs-inline,
.product-detail-specs-section.reveal.visible .product-detail-hero,
.product-gallery-section.reveal.visible .product-gallery-shell {
  opacity: 1;
  transform: translateY(0);
}
.product-detail-header.reveal.visible .product-detail-features {
  transition-delay: 0.08s;
}
.product-detail-specs-section.reveal.visible .product-detail-block-head {
  transition-delay: 0.08s;
}
.product-detail-specs-section.reveal.visible .product-detail-specs-grid {
  transition-delay: 0.16s;
}
.product-gallery-section.reveal.visible .product-gallery-shell {
  transition-delay: 0.12s;
}
.product-detail-subheading {
  margin: 0 0 18px;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text);
}
.product-detail-features {
  margin: 42px 0 0;
}
.product-feature-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 28px;
}
.product-feature-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 500;
  line-height: 1.5;
}
.product-feature-tag::before {
  content: '';
  flex: 0 0 6px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 4px rgba(74, 158, 255, 0.1);
}
.product-feature-more {
  margin-top: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--primary);
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  text-decoration: none;
}
.product-feature-more:hover {
  color: var(--primary-dark);
}
.product-feature-more:focus-visible,
.product-feature-tag:focus-visible,
.product-gallery-main-btn:focus-visible,
.product-gallery-side-nav:focus-visible,
.product-accordion-trigger:focus-visible,
.product-related-tab:focus-visible,
.product-spec-table a:focus-visible,
.product-spec-tissue:focus-visible,
.product-dock-item:focus-visible,
.coa-modal-close:focus-visible,
.coa-modal .trial-popover-close:focus-visible,
.product-detail-trial-btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.product-detail-specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 48px;
  margin: 0;
}
.product-detail-specs-grid--simple {
  align-items: start;
}
.product-detail-aliases {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 18px;
}
.product-detail-specs {
  margin: 0;
}
.product-detail-spec-row {
  display: grid;
  grid-template-columns: 6.5em minmax(0, 1fr);
  gap: 12px 20px;
  min-height: 34px;
  padding: 6px 0;
  font-size: 0.92rem;
  line-height: 1.5;
  align-items: center;
}
.product-detail-spec-row dt {
  margin: 0;
  color: var(--text-light);
  font-weight: 500;
}
.product-detail-spec-row dd {
  margin: 0;
  color: var(--text-muted);
  font-weight: 500;
  word-break: break-word;
}
.product-detail-spec-row--highlight {
  color: var(--primary) !important;
}
.product-detail-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 0;
  padding: 0;
  flex-shrink: 0;
}
.product-detail-block-head .product-detail-actions .product-detail-trial-btn {
  margin-top: 2px;
}
.product-detail-actions .product-detail-trial-btn {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  min-height: 44px;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.4;
  color: #fff;
  background: var(--primary);
  border: none;
  backdrop-filter: none;
  white-space: nowrap;
  box-shadow: 0 8px 18px rgba(74, 158, 255, 0.2);
  transition: color var(--transition), background-color var(--transition), transform var(--transition), box-shadow var(--transition);
  box-sizing: border-box;
}
.product-detail-trial-btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  line-height: 0;
  transform-origin: center;
  transition: transform 0.25s ease;
}
.product-detail-trial-btn-icon svg {
  display: block;
  width: 100%;
  height: 100%;
}
.product-detail-actions .product-detail-trial-btn:hover .product-detail-trial-btn-icon {
  animation: trial-fab-icon-hover 0.55s ease-in-out 1;
}
.product-detail-actions .product-detail-trial-btn:hover {
  color: #fff;
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(74, 158, 255, 0.26);
}
.product-detail-actions .product-detail-trial-btn.is-added {
  color: var(--text-light);
  background: transparent;
  border: 1.5px solid var(--text-light);
  box-shadow: none;
  cursor: not-allowed;
  padding: 7px 14px;
}
.product-detail-actions .product-detail-trial-btn.is-added:hover .product-detail-trial-btn-icon {
  animation: none;
}

.product-detail-dock {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-self: start;
}
.product-dock-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: 180px;
  padding: 12px 14px;
  border: 1px solid rgba(32, 32, 37, 0.08);
  border-radius: 10px;
  background: #fff;
  text-align: left;
  color: var(--text);
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}
a.product-dock-item:hover,
button.product-dock-item:hover {
  border-color: rgba(74, 158, 255, 0.35);
  background: var(--primary-light);
  color: var(--primary-dark);
}
.product-dock-icon {
  flex-shrink: 0;
  color: var(--primary);
  line-height: 1;
}
.product-dock-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.product-dock-title {
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.35;
}
.product-dock-desc {
  display: none;
}
.product-accordions {
  margin-top: clamp(40px, 4vw, 64px);
  border-top: 1px solid var(--border);
}
.product-accordion {
  border-bottom: 1px solid var(--border);
}
.product-accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 56px;
  padding: 18px 4px;
  text-align: left;
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  transition: color var(--transition);
}
.product-accordion-trigger:hover,
.product-accordion.open .product-accordion-trigger,
.page-product-primary .product-accordion-trigger,
.page-product-primary .product-accordion-trigger:hover,
.page-product-primary .product-accordion.open .product-accordion-trigger {
  color: var(--text);
}
.product-accordion-chevron,
.page-product-primary .product-accordion-chevron {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--text);
  transition: transform var(--transition);
}
.product-accordion-chevron svg {
  display: block;
  width: 14px;
  height: 14px;
  margin: 0 auto;
}
.product-accordion.open .product-accordion-chevron {
  transform: rotate(180deg);
}
.product-accordion-panel {
  display: grid;
  grid-template-rows: 0fr;
  overflow: hidden;
  transition: grid-template-rows 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.product-accordion-panel > * {
  overflow: hidden;
  min-height: 0;
  min-width: 0;
}
.product-accordion.open .product-accordion-panel {
  grid-template-rows: 1fr;
  overflow: visible;
}
.product-accordion:not(.open) .product-accordion-panel {
  overflow: hidden;
}
.product-accordion-body {
  padding: 0 4px 60px;
}
.product-citation-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: product-citation;
}
.product-citation-item {
  position: relative;
  margin: 0;
  padding-left: 1.6em;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--text-muted);
  font-weight: 500;
  counter-increment: product-citation;
}
.product-citation-item::before {
  content: counter(product-citation) '.';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--text-light);
  font-weight: 600;
}
.product-accordion-body--empty {
  min-height: 24px;
}
.product-accordion:not(.open) .product-accordion-body,
.product-accordion:not(.open) .product-accordion-body--empty {
  min-height: 0;
  padding: 0;
}
.product-kv-table {
  display: grid;
  grid-template-columns: 9.5em minmax(0, 1fr);
  column-gap: 28px;
  margin: 0;
}
.product-kv-row {
  display: contents;
}
.product-kv-row dt,
.product-kv-row dd {
  margin: 0;
  padding: 10px 0;
  font-size: 0.92rem;
  line-height: 1.6;
}
.product-kv-row:last-child dt,
.product-kv-row:last-child dd {
  border-bottom: 0;
}
.product-kv-row dt {
  color: var(--text-light);
  font-weight: 500;
}
.product-kv-row dd {
  color: var(--text-muted);
}
.product-protocol-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 0 4px 22px;
}
.product-protocol-meta {
  display: grid;
  grid-template-columns: 9.5em minmax(0, 1fr);
  column-gap: 28px;
  row-gap: 8px;
}
.product-protocol-meta p {
  display: contents;
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-muted);
}
.product-protocol-label {
  margin: 0;
  color: var(--text-light);
  font-weight: 500;
}
.product-protocol-images {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
  margin-bottom: 8px;
}
.product-protocol-image-btn {
  padding: 0;
  border: 1px solid rgba(32, 32, 37, 0.08);
  border-radius: 8px;
  background: #fff;
  cursor: zoom-in;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.product-protocol-image-btn:hover {
  border-color: rgba(74, 158, 255, 0.35);
  box-shadow: 0 6px 14px rgba(16, 24, 40, 0.06);
}
.product-protocol-image-btn img {
  width: 210px;
  height: 158px;
  object-fit: cover;
  object-position: center;
  display: block;
  border-radius: 7px;
}
.product-protocol-placeholder {
  width: 210px;
  height: 158px;
  border-radius: 8px;
  background: linear-gradient(135deg, #f3f8ff 0%, #eaf4ff 100%);
}
.product-rich-text p {
  margin: 0 0 14px;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-muted);
}
.product-rich-text p:last-child {
  margin-bottom: 0;
}
.product-rich-text ul,
.product-rich-text ol {
  margin: 0 0 14px 1.2em;
  color: var(--text-muted);
  line-height: 1.75;
}
.product-section-title {
  margin: 0 0 18px;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text);
}
.product-gallery-section {
  margin-bottom: 0;
}
.product-gallery-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 48px;
  align-items: start;
}
.product-gallery-meta {
  margin: 0;
  min-height: 0;
  transition: opacity 0.32s ease;
}
.product-gallery-meta.is-switching {
  opacity: 0.12;
}
.product-gallery-meta-row {
  display: grid;
  grid-template-columns: 6.5em minmax(0, 1fr);
  gap: 12px 20px;
  min-height: 34px;
  padding: 8px 0;
  font-size: 0.92rem;
  line-height: 1.6;
  align-items: center;
}
.product-gallery-meta-row dt {
  margin: 0;
  color: var(--text-light);
  font-weight: 500;
}
.product-gallery-meta-row dd {
  margin: 0;
  color: var(--text-muted);
  font-weight: 500;
  word-break: break-word;
}
.product-accordions--continue {
  margin-top: 0;
}
.product-related-section {
  margin: clamp(32px, 3vw, 48px) 0;
  min-height: 120px;
}
.product-related-tabs {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: stretch;
  gap: 28px;
  width: 100%;
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
}
.product-related-tab {
  position: relative;
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  width: auto;
  max-width: none;
  padding: 8px 0 12px;
  border: 0;
  background: transparent;
  color: var(--text-muted);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.35;
  white-space: nowrap;
  cursor: pointer;
  margin-bottom: -1px;
}
.product-related-tab[hidden] {
  display: none !important;
}
.product-related-tab.is-active {
  color: var(--primary);
}
.product-related-tab.is-active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--primary);
}
.product-table-scroll {
  overflow-x: auto;
  width: 100%;
  -webkit-overflow-scrolling: touch;
}
.product-table-caption {
  caption-side: top;
  text-align: left;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  padding: 0 0 10px;
}
.product-spec-table,
.product-platform-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
  line-height: 1.5;
  color: var(--text);
}
.product-spec-table {
  min-width: 760px;
}
.product-platform-table {
  min-width: 980px;
}
.product-spec-table th,
.product-spec-table td,
.product-platform-table th,
.product-platform-table td {
  border: 1px solid var(--border);
  padding: 8px 10px;
  vertical-align: middle;
  font-weight: 400;
}
.product-spec-table thead th,
.product-platform-table thead th {
  background: #f5f7fa;
  font-weight: 600;
  text-align: center;
}
.product-spec-table .product-spec-tissue {
  display: inline;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--primary);
  font: inherit;
  text-decoration: none;
  cursor: pointer;
}
.product-spec-table .product-spec-tissue:disabled {
  color: var(--text);
  text-decoration: none;
  cursor: default;
}
.product-spec-table td:nth-child(even) {
  text-align: center;
}
.product-platform-table tbody th {
  position: sticky;
  left: 0;
  z-index: 1;
  background: #fff;
  text-align: left;
  font-weight: 400;
  white-space: nowrap;
}
.product-validation-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  font-size: 0.86rem;
  color: var(--text-muted);
}
.product-validation-legend li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.product-validation-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  flex-shrink: 0;
}
.product-validation-icon--ok { background: #2ea36b; }
.product-validation-icon--no { background: #d3544d; }
.product-validation-icon--info { background: #8aa3bb; }
.product-features-modal .coa-modal-card {
  width: min(560px, calc(100vw - 32px));
  padding: 0;
  overflow: hidden;
  border-radius: 16px;
}
.product-features-modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 16px 16px;
  background: #f7fbff;
  border-bottom: 1px solid rgba(74, 158, 255, 0.12);
}
.product-features-modal-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  flex: 1;
}
.product-features-modal-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  flex: 0 0 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  background: #d8ebff;
  box-shadow: inset 0 0 0 1px rgba(74, 158, 255, 0.08);
}
.product-features-modal-intro {
  min-width: 0;
}
.product-features-modal-intro h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.3;
  color: #1a2332;
}
.product-features-modal-intro p {
  margin: 4px 0 0;
  font-size: 0.88rem;
  line-height: 1.45;
  color: #6b7c90;
}
.product-features-modal-close {
  width: 28px;
  height: 28px;
  margin-top: 2px;
  border: 0;
  border-radius: 8px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: transparent;
}
.product-features-modal-close:hover {
  background: rgba(74, 158, 255, 0.12);
  color: var(--primary);
}
.product-features-modal-body {
  padding: 20px 24px 24px;
}
.product-features-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: feature;
}
.product-features-list li {
  counter-increment: feature;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 0 0 16px;
}
.product-features-list li:last-child {
  margin-bottom: 0;
}
.product-features-list li::before {
  content: counter(feature);
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 700;
  line-height: 20px;
  text-align: center;
}
.product-features-item {
  flex: 1;
  min-width: 0;
}
.product-features-item strong {
  display: block;
  margin: 0;
  font-size: 0.95rem;
  line-height: 20px;
  color: var(--text);
}
.product-features-item p {
  margin: 4px 0 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-muted);
}
@media (prefers-reduced-motion: reduce) {
  .product-accordion-panel,
  .product-recommend-track,
  .coa-modal,
  .coa-modal-card {
    transition: none !important;
  }
}
.product-recommend-section {
  margin-top: clamp(40px, 4vw, 64px);
  padding-top: 0;
}
.product-recommend-carousel {
  position: relative;
}
.product-recommend-viewport {
  overflow: hidden;
  padding-bottom: var(--carousel-shadow-pad);
}
.product-recommend-track {
  display: flex;
  gap: 20px;
  transition: transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}
.product-recommend-card {
  flex: 0 0 calc((100% - 40px) / 3 * 0.667);
  min-width: 0;
  border: 1px solid rgba(32, 32, 37, 0.08);
  border-radius: 10px;
  background: #fff;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.product-recommend-card:hover {
  border-color: rgba(74, 158, 255, 0.2);
  box-shadow: 0 6px 14px rgba(16, 24, 40, 0.06);
}
.product-recommend-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--primary-light);
}
.product-recommend-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}
.product-recommend-card:hover .product-recommend-media img {
  transform: scale(1.08);
}
.product-recommend-body {
  display: flex;
  flex-direction: column;
  padding: 16px 16px 18px;
}
.product-recommend-name {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text);
  text-decoration: none !important;
}
.product-recommend-name::after {
  display: none !important;
  content: none !important;
}
.product-recommend-catalog {
  margin: 0 0 12px;
  font-size: 0.84rem;
  color: var(--text-light);
}
.product-recommend-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  margin-top: auto;
  font-size: 0.84rem;
  color: var(--text-muted);
  text-decoration: none !important;
  border: 0;
  box-shadow: none;
  transition: color 0.25s ease;
}
.product-recommend-card:hover .product-recommend-link {
  color: var(--primary);
}
.product-recommend-link::after,
.product-recommend-link::before {
  display: none !important;
  content: none !important;
}
.product-recommend-link span {
  text-decoration: none !important;
}
.product-related-section .product-recommend-link,
.product-related-section .product-recommend-link span,
.product-related-section .product-recommend-name {
  text-decoration: none !important;
}
.product-recommend-arrow {
  display: inline-flex;
  overflow: hidden;
  width: 1.1em;
  max-width: 1.1em;
  opacity: 1;
}
.product-recommend-arrow-inner {
  display: inline-block;
  transform: translateX(0);
  transition: transform 0.28s ease;
  white-space: nowrap;
}
.product-recommend-card:hover .product-recommend-arrow-inner {
  animation: trial-add-more-arrow-in 0.6s ease;
}
.product-recommend-section .product-recommend-link,
.product-recommend-section .product-recommend-name {
  pointer-events: none;
}
.product-recommend-nav {
  position: absolute;
  top: 42%;
  transform: translateY(-50%);
  z-index: 2;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(32, 32, 37, 0.12);
  background: rgba(255, 255, 255, 0.96);
  color: rgba(32, 32, 37, 0.82);
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(16, 24, 40, 0.08);
  transition: border-color 0.25s ease, color 0.25s ease;
}
.product-recommend-nav.is-visible {
  display: inline-flex;
}
.product-recommend-nav[hidden],
.product-recommend-nav.is-hidden {
  display: none !important;
}
.product-recommend-nav--prev { left: max(12px, calc((100% - var(--limit-content-width)) / 2 - 64px)); }
.product-recommend-nav--next { right: max(12px, calc((100% - var(--limit-content-width)) / 2 - 64px)); }
.product-recommend-nav:hover {
  border-color: rgba(32, 32, 37, 0.28);
  color: #202025;
}
.product-recommend-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 18px;
}
.product-recommend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(32, 32, 37, 0.18);
  transition: background var(--transition), transform var(--transition);
}
.product-recommend-dot.is-active {
  background: var(--primary);
  transform: scale(1.15);
}
.media-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1300;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 16, 24, 0.88);
  padding: 0;
  overflow: hidden;
}
.media-lightbox[hidden] {
  display: none !important;
}
.media-lightbox-stage {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  overflow: visible;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  touch-action: none;
}
.media-lightbox-stage.is-dragging {
  cursor: grabbing;
}
.media-lightbox-img {
  max-width: 96vw;
  max-height: 96vh;
  width: auto;
  height: auto;
  object-fit: contain;
  transform-origin: center center;
  will-change: transform;
  user-select: none;
  touch-action: none;
  pointer-events: none;
}
.media-lightbox-close,
.media-lightbox-nav {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-radius: 50%;
  cursor: pointer;
  transition: background var(--transition);
}
.media-lightbox-close:hover,
.media-lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.22);
}
.media-lightbox-close {
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
}
.media-lightbox-nav {
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
}
.media-lightbox-nav--prev { left: 20px; }
.media-lightbox-nav--next { right: 20px; }
body.has-media-lightbox,
body.has-coa-modal {
  overflow: hidden;
}
.coa-modal {
  position: fixed;
  inset: 0;
  z-index: 1310;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.coa-modal[hidden] {
  display: none !important;
}
.coa-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 16, 24, 0.5);
}
.coa-modal-card {
  position: relative;
  z-index: 1;
  width: min(100%, 440px);
  padding: 24px;
  border-radius: 10px;
  background: #fff;
  box-shadow: var(--shadow-lg);
}
.coa-modal-card.trial-popover {
  position: relative;
  right: auto;
  bottom: auto;
  width: min(340px, calc(100vw - 32px));
  padding: 0;
  border-radius: 16px;
  overflow: hidden;
}
.coa-modal .trial-popover-body {
  max-height: none;
  overflow: visible;
  padding: 16px;
  display: block;
}
.coa-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--text-muted);
}
.coa-modal-title {
  margin: 0 0 8px;
  font-size: 1.15rem;
  font-weight: 600;
}
.coa-modal-desc {
  margin: 0 0 16px;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-muted);
}
.coa-modal-label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}
.coa-modal-input {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
  color: var(--text);
}
.coa-modal-input:focus {
  outline: 2px solid rgba(74, 158, 255, 0.35);
  border-color: var(--primary);
}
.coa-modal-error {
  margin: 8px 0 0;
  font-size: 0.84rem;
  color: #d14343;
}
.coa-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 18px;
}

/* ===== Specification page ===== */
.page-specification .enter-block,
.page-specification .reveal {
  opacity: 1;
  transform: none;
  transition: none;
}
.specification-section {
  padding-top: calc(var(--header-h) + 48px);
  padding-bottom: clamp(56px, 5vw, 80px);
}
.specification-breadcrumb {
  margin-bottom: 60px;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.specification-breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.specification-breadcrumb-list li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}
.specification-breadcrumb-list li + li::before {
  content: '/';
  color: rgba(71, 84, 103, 0.45);
  font-weight: 400;
}
.specification-breadcrumb-list a {
  color: var(--primary);
  font-weight: 600;
}
.specification-breadcrumb-list a:hover {
  color: var(--primary-dark);
}
.specification-breadcrumb-list [aria-current="page"] span {
  color: #475467;
  font-weight: 500;
}
.specification-wrap {
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
}
.specification-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}
.specification-head .section-header--page {
  margin-bottom: 0;
  flex: 1;
  min-width: 0;
}
.specification-panel {
  padding: 28px;
  border: 1px solid rgba(32, 32, 37, 0.08);
  border-radius: 10px;
  background: #fff;
}
.specification-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
}
.specification-content {
  overflow-x: auto;
}
.specification-content table td,
.specification-content table th {
  border: 1px solid rgba(32, 32, 37, 0.18);
  padding: 8px 12px;
  font-size: 0.9rem;
  line-height: 1.5;
  white-space: nowrap;
}
.specification-download {
  flex-shrink: 0;
  margin-top: 8px;
}
.specification-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  min-height: 44px;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.4;
  color: #fff;
  background: var(--primary);
  border: none;
  white-space: nowrap;
  box-shadow: 0 8px 18px rgba(74, 158, 255, 0.2);
  transition: color var(--transition), background-color var(--transition), transform var(--transition), box-shadow var(--transition);
  box-sizing: border-box;
}
.specification-download-btn:hover {
  color: #fff;
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(74, 158, 255, 0.26);
}
.specification-download-btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  line-height: 0;
}
.specification-download-btn-icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

/* ===== Legacy product detail ===== */
.product-detail-section--legacy {
  padding-top: calc(var(--header-h) + 48px);
}
.product-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}
.product-detail-image {
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(32, 32, 37, 0.08);
}
.product-detail-image--empty {
  aspect-ratio: 4 / 3;
  background: var(--primary-light);
}
.product-detail-meta {
  margin: 16px 0 24px;
}
.product-detail-meta li {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.product-detail-label {
  flex: 0 0 7em;
  color: var(--text-light);
}
.product-detail-value {
  color: var(--text-muted);
  font-weight: 500;
}
.product-detail-body {
  margin-top: 40px;
}
.product-detail-subtitle {
  margin: 0 0 16px;
  font-size: 1.25rem;
  font-weight: 600;
}

@media (max-width: 1024px) {
  .product-detail-layout {
    grid-template-columns: 1fr;
  }
  .product-gallery-layout {
    grid-template-columns: 1fr 1fr;
    gap: 0 32px;
  }
  .product-detail-dock {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
  }
  .product-dock-item {
    flex: 1 1 0;
    max-width: none;
  }
  .product-recommend-card {
    flex-basis: calc((100% - 20px) / 2 * 0.667);
  }
}
@media (max-width: 749.98px) {
  .page-product-primary .contact-fab-wrap {
    bottom: 96px;
  }
  .page-product-primary .trial-fab-wrap {
    bottom: 32px;
  }
  .page-product-primary .scroll-top {
    bottom: 160px;
  }
  .product-detail-specs-grid,
  .product-gallery-layout {
    grid-template-columns: 1fr;
  }
  .product-detail-spec-row,
  .product-gallery-meta-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .product-accordion-trigger {
    font-size: 18px;
  }
  .product-detail-block-head {
    align-items: center;
    gap: 12px;
  }
  .product-detail-actions {
    display: block;
    padding: 0;
  }
  .page-product-secondary .product-detail-hero,
  .page-product-ihc .product-detail-hero {
    flex-direction: column;
    align-items: stretch;
  }
  .page-product-secondary .product-detail-media,
  .page-product-ihc .product-detail-media {
    width: min(200px, 100%);
    max-width: none;
    flex-basis: auto;
    margin: 0 auto;
  }
  .page-product-secondary .product-detail-specs-inline,
  .page-product-ihc .product-detail-specs-inline {
    align-items: stretch;
  }
  .product-detail-actions .product-detail-trial-btn {
    grid-column: auto;
  }
  .product-detail-dock {
    flex-direction: column;
  }
  .product-dock-item {
    max-width: none;
  }
  .product-kv-table {
    display: block;
  }
  .product-kv-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 8px 0;
  }
  .product-kv-row dt,
  .product-kv-row dd {
    padding: 0;
  }
  .product-protocol-meta {
    display: block;
  }
  .product-protocol-meta p {
    display: block;
    margin: 0 0 8px;
  }
  .product-recommend-card {
    flex-basis: calc(100% * 0.667);
  }
  .product-recommend-nav {
    display: none;
  }
  .specification-head {
    align-items: center;
    margin-bottom: 16px;
  }
  .specification-download {
    margin-top: 0;
  }
  .specification-download-btn {
    padding: 10px 16px;
    font-size: 0.86rem;
  }
  .specification-panel {
    padding: 20px 16px;
  }
  .product-detail-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 480px) {
  .product-feature-row {
    grid-template-columns: 1fr;
  }
  .product-detail-actions .product-detail-trial-btn {
    width: 100%;
    justify-content: center;
  }
  .product-features-modal .coa-modal-card {
    width: min(560px, calc(100vw - 32px));
    padding: 0;
  }
  .product-features-modal-body {
    padding: 16px;
  }
}