:root {
  --font-sans: Inter, "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", Arial, sans-serif;
}

@font-face {
  font-family: "Inter";
  src: url("../fonts/inter/Inter-Light.woff2") format("woff2");
  font-style: normal;
  font-weight: 300;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("../fonts/inter/Inter-Regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("../fonts/inter/Inter-Medium.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("../fonts/inter/Inter-SemiBold.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("../fonts/inter/Inter-Bold.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Source Han Sans SC";
  src: url("../fonts/source-han-sans/SourceHanSansCN-Light.woff2") format("woff2");
  font-style: normal;
  font-weight: 300;
  font-display: swap;
}

@font-face {
  font-family: "Source Han Sans SC";
  src: url("../fonts/source-han-sans/SourceHanSansCN-Regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Source Han Sans SC";
  src: url("../fonts/source-han-sans/SourceHanSansCN-Medium.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "Source Han Sans SC";
  src: url("../fonts/source-han-sans/SourceHanSansCN-Bold.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Source Han Sans JP";
  src: url("../fonts/source-han-sans-jp/SourceHanSansJP-Light.woff2") format("woff2");
  font-style: normal;
  font-weight: 300;
  font-display: swap;
}

@font-face {
  font-family: "Source Han Sans JP";
  src: url("../fonts/source-han-sans-jp/SourceHanSansJP-Regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Source Han Sans JP";
  src: url("../fonts/source-han-sans-jp/SourceHanSansJP-Medium.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "Source Han Sans JP";
  src: url("../fonts/source-han-sans-jp/SourceHanSansJP-Bold.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Material Symbols Outlined";
  src: url("../fonts/material-symbols/MaterialSymbolsOutlined-400.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: block;
}

html {
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* Japanese pages: prefer the JP subset (includes kana + JP kanji) before SC */
html[lang="ja"] {
  font-family: Inter, "Source Han Sans JP", "Source Han Sans SC", "Hiragino Sans", "Noto Sans CJK JP", Arial, sans-serif;
}

body {
  overflow-x: hidden;
}

.material-symbols-outlined {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'Material Symbols Outlined';
  font-style: normal;
  font-weight: normal;
  line-height: 1;
  text-transform: none;
  vertical-align: middle;
}

.material-symbols-outlined svg {
  width: 1em;
  height: 1em;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.performance-card-icon {
  align-self: flex-start;
}

.site-mobile-panel {
  border-top: 1px solid rgba(113, 121, 115, 0.24);
  background: rgba(250, 250, 245, 0.98);
  backdrop-filter: blur(12px);
}

.site-mobile-panel a {
  display: block;
  padding: 14px 20px;
  color: #0c412d;
  font-size: 15px;
  font-weight: 600;
}

.site-mobile-panel a + a {
  border-top: 1px solid rgba(113, 121, 115, 0.14);
}

/* ── Language switcher (mobile panel row + desktop inline) ── */
.site-mobile-lang {
  display: flex;
  gap: 8px;
  padding: 12px 20px;
  border-top: 1px solid rgba(113, 121, 115, 0.24);
}
.site-mobile-lang a {
  display: inline-block;
  padding: 4px 12px;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid rgba(12, 65, 45, 0.2);
  border-radius: 4px;
  color: #57625b;
}
.site-mobile-lang a + a { border-top: 0; }
.site-mobile-lang a[aria-current="true"] {
  color: #0c412d;
  border-color: #0c412d;
  font-weight: 700;
}
.site-lang-switch a { color: #57625b; transition: color .3s ease; }
.site-lang-switch a:hover { color: #0c412d; }
.site-lang-switch a[aria-current="true"] { color: #0c412d; font-weight: 700; }

/* ── Desktop language dropdown (same family as nav links) ── */
.site-lang-dropdown {
  position: relative;
  margin-right: 1.5rem; /* mr-6 */
}
.site-lang-trigger {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 40px;
  border-bottom: 2px solid transparent;
  color: #414943; /* on-surface-variant */
  font-size: 16px; /* body-md */
  font-weight: 500;
  cursor: pointer;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  padding: 0 0 2px;
  font-family: inherit;
}
.site-lang-trigger:hover { color: #0c412d; }
.site-lang-trigger .chevron {
  transition: transform 0.3s ease;
}
.site-lang-dropdown[aria-expanded="true"] .site-lang-trigger .chevron,
.site-lang-dropdown.is-open .site-lang-trigger .chevron {
  transform: rotate(180deg);
}
.site-lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 184px;
  background: #ffffff;
  border: 1px solid rgba(192, 201, 193, 0.5); /* outline-variant/50 */
  border-radius: 8px;
  box-shadow: 0 12px 32px -10px rgba(12, 65, 45, 0.18);
  padding: 6px;
  z-index: 60;
  transform-origin: top right;
  /* Silk animation: never display:none — animate opacity + transform instead */
  opacity: 0;
  transform: translateY(-8px) scale(0.96);
  visibility: hidden;
  transition: opacity 0.28s cubic-bezier(0.2, 0.8, 0.2, 1),
              transform 0.28s cubic-bezier(0.2, 0.8, 0.2, 1),
              visibility 0s linear 0.28s; /* hide visibility after transition */
  pointer-events: none;
}
.site-lang-dropdown.is-open .site-lang-menu {
  opacity: 1;
  transform: translateY(0) scale(1);
  visibility: visible;
  pointer-events: auto;
  transition: opacity 0.28s cubic-bezier(0.2, 0.8, 0.2, 1),
              transform 0.28s cubic-bezier(0.2, 0.8, 0.2, 1),
              visibility 0s; /* reveal instantly */
}
.site-lang-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 6px;
  color: #414943;
  font-size: 15px;
  font-weight: 500;
  transition: background 0.2s ease, color 0.2s ease;
  /* Staggered entrance — each item fades in slightly later */
  opacity: 0;
  transform: translateX(6px);
}
.site-lang-dropdown.is-open .site-lang-menu a {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.3s ease, transform 0.3s ease, background 0.2s ease, color 0.2s ease;
}
.site-lang-dropdown.is-open .site-lang-menu a:nth-child(1) { transition-delay: 0.04s; }
.site-lang-dropdown.is-open .site-lang-menu a:nth-child(2) { transition-delay: 0.08s; }
.site-lang-dropdown.is-open .site-lang-menu a:nth-child(3) { transition-delay: 0.12s; }
.site-lang-menu a:hover {
  background: rgba(12, 65, 45, 0.06);
  color: #0c412d;
}
.site-lang-menu a[aria-current="true"] {
  color: #0c412d;
  font-weight: 700;
  background: rgba(12, 65, 45, 0.04);
}
.site-lang-menu a .lang-name { flex: 1; }
.site-lang-menu a .lang-check {
  width: 16px;
  height: 16px;
  opacity: 0;
  flex-shrink: 0;
  transition: opacity 0.2s ease;
}
.site-lang-menu a[aria-current="true"] .lang-check { opacity: 1; }

.site-form-note {
  margin-top: 12px;
  color: #285943;
  font-size: 14px;
}

.site-form-note.is-error {
  color: #9f2d24;
}

[data-contact-form] button[type="submit"]:disabled {
  cursor: wait;
  opacity: 0.65;
}

/* ── M3: Form focus animation (DESIGN.md: 0.8s → LGQ Green) ── */
input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
textarea:focus,
select:focus {
  border-color: #0c412d;
  transition: border-color 0.8s ease;
  outline: none;
}

/* ── I1: Button micro-interactions ── */
.btn-interactive {
  transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
}
.btn-interactive:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 12px rgba(12, 65, 45, 0.12);
}
.btn-interactive:active {
  transform: scale(0.98);
}

/* Ensure all CTA links get micro-interaction */
a[class*="bg-primary"]:not(.site-contact-link),
a[class*="border-primary"] {
  transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
}
a[class*="bg-primary"]:not(.site-contact-link):hover,
a[class*="border-primary"]:hover {
  transform: scale(1.02);
}
a[class*="bg-primary"]:not(.site-contact-link):active,
a[class*="border-primary"]:active {
  transform: scale(0.98);
}

/* ── M1/M2: Fade-up + Timeline reveal animations ── */
.lgq-fade-up,
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.lgq-fade-up.visible,
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── M2: Timeline staggered reveal ── */
[data-lgq-timeline] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
[data-lgq-timeline].lgq-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ── M5: Nav scrolled state ── */
.site-header.lgq-nav-scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

img {
  max-width: 100%;
}

:root {
  --section-space: 5rem;
  --section-space-compact: 4rem;
  --section-space-contact: 5rem;
}

.py-section-gap {
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
}

.pt-section-gap {
  padding-top: var(--section-space);
}

.pb-section-gap {
  padding-bottom: var(--section-space);
}

.mb-section-gap {
  margin-bottom: var(--section-space);
}

.py-section-compact {
  padding-top: var(--section-space-compact);
  padding-bottom: var(--section-space-compact);
}

.pt-section-compact {
  padding-top: var(--section-space-compact);
}

.pb-section-compact {
  padding-bottom: var(--section-space-compact);
}

.mb-section-compact {
  margin-bottom: var(--section-space-compact);
}

.mb-section-contact {
  margin-bottom: var(--section-space-contact);
}

@media (min-width: 768px) {
  :root {
    --section-space: 6rem;
    --section-space-compact: 4.5rem;
    --section-space-contact: 6rem;
  }

  #partner-marquee {
    min-height: 40px;
  }
}

@media (min-width: 1024px) {
  :root {
    --section-space: 7rem;
    --section-space-compact: 5rem;
    --section-space-contact: 10rem;
  }
}

#partner-marquee {
  position: relative;
  max-width: 100%;
  overflow-x: clip;
  contain: paint;
  min-height: 32px;
}

#marquee-track {
  position: absolute;
  top: 0;
  left: 0;
  width: max-content;
  max-width: none;
  will-change: transform;
}

.partner-set {
  gap: clamp(40px, 7vw, 98px) !important;
  padding-left: clamp(20px, 3.5vw, 49px) !important;
  padding-right: clamp(20px, 3.5vw, 49px) !important;
}

@media (min-width: 768px) {
  #partner-marquee {
    min-height: 40px;
  }
}

@media (max-width: 1023px) {
  #partner-marquee {
    min-height: 32px;
    overflow: hidden;
  }

  #marquee-track {
    position: absolute;
    width: max-content;
  }

  .partner-set {
    flex-wrap: nowrap;
  }
}

.site-header {
  min-height: 72px;
}

.site-header-inner {
  min-height: 72px;
}

.site-brand {
  flex-shrink: 0;
  font-size: 18px;
  line-height: 1.2;
  letter-spacing: 0;
}

.site-brand-separator {
  display: inline-block;
  font-size: 2em;
  line-height: 0;
  transform: translateY(0.18em);
}

.site-nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  border-bottom: 2px solid transparent;
  font-weight: 500;
}

.site-nav-link-active {
  border-bottom-color: #0c412d;
  color: #0c412d;
  font-weight: 700;
}

.site-contact-link {
  min-height: 44px;
  white-space: nowrap;
}

@media (min-width: 768px) and (max-width: 1023px) {
  .site-header-inner {
    padding-left: 32px;
    padding-right: 32px;
  }
}

.site-contact-link-active {
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.72);
}

.product-spec-list {
  display: grid;
  gap: 0;
  margin-top: 6px;
  color: rgba(57, 64, 59, 0.86);
}

.product-spec-row {
  display: grid;
  grid-template-columns: minmax(54px, 0.72fr) minmax(108px, 1.2fr) minmax(58px, 0.88fr);
  column-gap: 10px;
  align-items: baseline;
  padding: 6px 0;
  border-bottom: 1px solid rgba(113, 121, 115, 0.14);
}

.product-spec-row:last-child {
  border-bottom: 0;
}

.product-spec-key {
  color: #0c412d;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.product-spec-value {
  font-variant-numeric: tabular-nums;
}

.product-spec-note {
  color: rgba(57, 64, 59, 0.64);
}

.site-main {
  padding-top: 100px !important;
}

/* Homepage hero: lock every text element to one center axis, then compensate
   for the visual weight of full-width CJK punctuation. */
.home-hero-copy,
.home-hero-title {
  width: 100%;
  margin-inline: auto;
  text-align: center;
}

html[lang="zh-CN"] .home-hero-title,
html[lang="ja"] .home-hero-title {
  position: relative;
  inset-inline-start: clamp(8px, 1.35vw, 18px);
}

/* Product-line comparison: shared typographic rows keep unlike names aligned. */
.product-line-card__title {
  margin: 0;
  font-size: clamp(2.25rem, 3.1vw, 2.75rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.product-line-card__metric .material-symbols-outlined {
  inline-size: 20px;
  flex: 0 0 20px;
}

@media (min-width: 768px) {
  .product-line-card__header {
    display: grid;
    grid-template-rows: 24px 104px;
    row-gap: 16px;
  }

  .product-line-card__badge {
    align-self: start;
    justify-self: start;
    margin-bottom: 0;
  }

  .product-line-card__title {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    min-height: 104px;
  }

  .product-line-card__metric {
    min-height: 46px;
  }
}

/* Proof disclosures: natural height on phones/tablets and whenever a card is
   open. Equal-height rows are reserved for the closed desktop overview. */
.proof-grid {
  grid-auto-rows: auto;
  align-items: start;
}

.proof-grid > * {
  height: auto !important;
  align-self: start;
}

.proof-grid > * > .h-full {
  height: auto !important;
}

/* Proof cards: one numeric scale across every test result. Units remain
   subordinate without forcing longer translated labels onto another line. */
.proof-card__value {
  font-size: clamp(48px, 5vw, 56px);
  line-height: 0.96;
  font-weight: 700;
  letter-spacing: -0.045em;
  font-variant-numeric: lining-nums tabular-nums;
  white-space: nowrap;
}

.proof-card__value--word {
  letter-spacing: -0.055em;
}

.proof-card__unit {
  display: inline-block;
  margin-inline-start: 0.12em;
  font-size: 0.44em;
  line-height: 1;
  letter-spacing: 0;
  vertical-align: top;
  transform: translateY(0.08em);
}

@media (max-width: 374px) {
  .proof-card__value {
    font-size: 44px;
  }
}

@media (min-width: 1024px) {
  .proof-grid:not(.has-expanded) {
    grid-auto-rows: minmax(0, 1fr);
    align-items: stretch;
  }

  .proof-grid:not(.has-expanded) > * {
    height: 100% !important;
    align-self: stretch;
  }

  .proof-grid:not(.has-expanded) > * > .h-full {
    height: 100% !important;
  }
}

@media (max-width: 767px) {
  .site-header,
  .site-header-inner {
    min-height: 64px;
  }

  .site-brand {
    font-size: 17px;
  }

  .site-main {
    padding-top: 88px !important;
  }
}

/* ── 2026 refinement layer: one icon family, quieter motion, clearer states ── */
.material-symbols-outlined {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: "Material Symbols Outlined";
  font-size: 1.25em;
  font-style: normal;
  font-weight: 400;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  font-feature-settings: "liga";
  -webkit-font-feature-settings: "liga";
  font-variation-settings: "FILL" 0, "wght" 400, "GRAD" 0, "opsz" 24;
  -webkit-font-smoothing: antialiased;
  flex-shrink: 0;
}

.material-symbols-outlined svg {
  display: none;
}

.site-lang-menu .lang-check {
  font-size: 16px;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

.site-header {
  transition: background-color 240ms ease, box-shadow 240ms ease, border-color 240ms ease;
}

.site-lang-menu,
.site-lang-menu a,
.btn-interactive,
a[class*="bg-primary"]:not(.site-contact-link),
a[class*="border-primary"],
.hover-lift {
  transition-duration: 280ms !important;
  transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.site-lang-dropdown.is-open .site-lang-menu a {
  transition-delay: 0ms !important;
}

.btn-interactive:hover,
a[class*="bg-primary"]:not(.site-contact-link):hover,
a[class*="border-primary"]:hover {
  transform: translateY(-1px) scale(1.01);
}

@media (hover: hover) and (pointer: fine) {
  .hover-lift:hover {
    transform: translateY(-4px) !important;
    box-shadow: 0 14px 32px -18px rgba(12, 65, 45, 0.32) !important;
  }
}

.lgq-fade-up,
.fade-up,
.reveal-up,
[data-lgq-timeline] {
  transform: translateY(14px);
  transition-property: opacity, transform !important;
  transition-duration: 620ms !important;
  transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.animate-fade-up {
  animation-duration: 620ms !important;
  animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1) !important;
}

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid #0c412d;
  outline-offset: 3px;
  border-radius: 4px;
}

input[type="text"]:focus-visible,
input[type="email"]:focus-visible,
input[type="tel"]:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid rgba(12, 65, 45, 0.88);
  outline-offset: 2px;
  border-color: #0c412d;
  box-shadow: 0 0 0 4px rgba(12, 65, 45, 0.08);
}

input::placeholder,
textarea::placeholder,
select:invalid {
  color: #626c65;
  opacity: 1;
}

.lgq-lightbox-overlay[hidden] {
  display: none;
}

.lgq-lightbox-hit-area {
  cursor: zoom-in;
}

.lgq-lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.88);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lgq-lightbox-overlay.lgq-lightbox--open {
  opacity: 1;
  pointer-events: auto;
}

.lgq-lightbox-img {
  max-width: 92vw;
  max-height: 92vh;
  object-fit: contain;
}

.lgq-lightbox-close {
  position: absolute;
  top: 20px;
  right: 28px;
  padding: 8px;
  border: 0;
  background: transparent;
  color: #fff;
  cursor: pointer;
  font-size: 36px;
  line-height: 1;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto !important;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-delay: 0ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }

  .lgq-fade-up,
  .fade-up,
  .reveal-up,
  [data-lgq-timeline],
  .hover-lift,
  .btn-interactive {
    opacity: 1 !important;
    transform: none !important;
  }

  #marquee-track {
    position: static;
    transform: none !important;
    will-change: auto;
  }
}