:root {
  --navy: oklch(0.33 0.11 262);
  --navy-deep: oklch(0.26 0.085 263);
  --blue: oklch(0.47 0.15 256);
  --orange: oklch(0.74 0.165 60);
  --orange-deep: oklch(0.6 0.17 47);
  --photo: rgb(196 229 248);
  --sky: oklch(0.93 0.03 238);
  --sky-soft: oklch(0.965 0.014 240);
  --paper: oklch(0.988 0.004 250);
  --ink: oklch(0.24 0.03 262);
  --ink-soft: oklch(0.45 0.03 258);
  --line: oklch(0.89 0.014 250);
  --line-strong: oklch(0.8 0.02 252);
  --on-navy: oklch(0.96 0.012 250);
  --on-navy-soft: oklch(0.8 0.035 255);
  --wa: oklch(0.62 0.16 152);

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --section-y: clamp(64px, 9vw, 128px);
  --header-h: 72px;
  --radius: 4px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --font-display: "Archivo", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "Hanken Grotesk", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --stretch-display: 108%;
  --stretch-label: 78%;
  --track-label: 0.14em;
  --leading-body: 1.6;
  --leading-display: 1.04;
}

:lang(zh) {
  --leading-body: 1.8;
  --leading-display: 1.2;
  --track-label: 0.08em;
}

:lang(ar) {
  --font-display: "Noto Kufi Arabic", "Archivo", sans-serif;
  --font-body: "Noto Sans Arabic", "Hanken Grotesk", sans-serif;
  --leading-body: 1.85;
  --leading-display: 1.4;
  --track-label: 0;
}

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

* {
  margin: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: var(--leading-body);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-stretch: var(--stretch-display);
  line-height: var(--leading-display);
  color: var(--navy);
  text-wrap: balance;
}

:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  inset-inline-start: 16px;
  inset-block-start: -100px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--navy);
  color: var(--on-navy);
  border-radius: var(--radius);
}

.skip-link:focus {
  inset-block-start: 12px;
}

.wrap {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 40px);
}

.no,
.kicker,
.mini-label,
.eyebrow {
  font-family: var(--font-display);
  font-stretch: var(--stretch-label);
  font-weight: 700;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
}

.no {
  color: var(--orange-deep);
  font-size: 0.8rem;
}

.pleat {
  background-image: repeating-linear-gradient(
    90deg,
    oklch(0.33 0.11 262 / 0.06) 0 1px,
    transparent 1px 10px
  );
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-stretch: 104%;
  font-weight: 650;
  font-size: 1rem;
  line-height: 1.2;
  cursor: pointer;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}

.btn svg {
  width: 18px;
  height: 18px;
  flex: none;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--navy);
  color: var(--on-navy);
}

.btn-primary:hover {
  background: var(--blue);
}

.btn-accent {
  background: var(--orange);
  color: var(--navy-deep);
}

.btn-accent:hover {
  background: oklch(0.8 0.15 64);
}

.btn-ghost {
  border-color: var(--line-strong);
  color: var(--navy);
}

.btn-ghost:hover {
  border-color: var(--navy);
  background: var(--sky-soft);
}

.btn-ghost-light {
  border-color: oklch(0.96 0.012 250 / 0.35);
  color: var(--on-navy);
}

.btn-ghost-light:hover {
  background: oklch(0.96 0.012 250 / 0.08);
  border-color: var(--on-navy);
}

.btn-sm {
  padding: 9px 16px;
  font-size: 0.9rem;
}

.btn-lg {
  padding: 16px 28px;
  font-size: 1.05rem;
}

.arrow {
  transition: transform 0.3s var(--ease);
}

a:hover > .arrow,
.btn:hover .arrow {
  transform: translateX(4px);
}

[dir="rtl"] .arrow {
  transform: scaleX(-1);
}

[dir="rtl"] a:hover > .arrow,
[dir="rtl"] .btn:hover .arrow {
  transform: scaleX(-1) translateX(4px);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-block-end: 4px;
  border-block-end: 1px solid currentColor;
  color: var(--navy);
  font-family: var(--font-display);
  font-weight: 650;
  white-space: nowrap;
}

.text-link svg {
  width: 18px;
  height: 18px;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 50;
  background: var(--paper);
  border-block-end: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  height: var(--header-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: none;
}

.brand img {
  width: auto;
  height: 42px;
}

.brand-text {
  display: grid;
  line-height: 1.1;
}

.brand-text b {
  font-family: "Archivo", sans-serif;
  font-stretch: 120%;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  color: var(--navy);
}

.brand-text small {
  font-size: 0.72rem;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

.main-nav {
  margin-inline-start: auto;
}

.main-nav ul {
  display: flex;
  gap: 4px;
}

.main-nav a {
  position: relative;
  display: block;
  padding: 10px 14px;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.2s var(--ease);
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--navy);
}

.main-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  inset-inline: 14px;
  inset-block-end: 2px;
  height: 2px;
  background: var(--orange);
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang {
  position: relative;
}

.lang summary {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.lang summary::-webkit-details-marker {
  display: none;
}

.lang summary svg {
  width: 18px;
  height: 18px;
}

.lang[open] summary {
  border-color: var(--navy);
}

.lang ul {
  position: absolute;
  inset-inline-end: 0;
  inset-block-start: calc(100% + 8px);
  min-width: 168px;
  padding: 6px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 32px oklch(0.26 0.085 263 / 0.12);
}

.lang a {
  display: block;
  padding: 10px 12px;
  border-radius: 2px;
  color: var(--ink);
}

.lang a:hover {
  background: var(--sky-soft);
}

.lang a[aria-current="true"] {
  color: var(--navy);
  font-weight: 700;
  background: var(--sky-soft);
}

.nav-toggle {
  display: none;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: none;
  color: var(--navy);
  cursor: pointer;
}

.nav-toggle svg {
  width: 22px;
  height: 22px;
}

@media (max-width: 920px) {
  .nav-toggle {
    display: grid;
  }

  .main-nav {
    position: absolute;
    inset-inline: 0;
    inset-block-start: 100%;
    background: var(--paper);
    border-block-end: 1px solid var(--line);
    box-shadow: 0 16px 32px oklch(0.26 0.085 263 / 0.08);
    display: none;
  }

  .nav-open .main-nav {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    padding: 8px clamp(16px, 4vw, 40px) 16px;
  }

  .main-nav a {
    padding: 14px 0;
    font-size: 1.05rem;
    border-block-end: 1px solid var(--line);
  }

  .main-nav a[aria-current="page"]::after {
    display: none;
  }

  .main-nav a[aria-current="page"] {
    font-weight: 700;
  }

  .header-tools {
    margin-inline-start: auto;
  }
}

@media (max-width: 560px) {
  .header-cta {
    display: none;
  }

  .brand-text small {
    display: none;
  }
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding-block: clamp(40px, 7vw, 104px) clamp(48px, 7vw, 96px);
  overflow: hidden;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset-block: 55% 0;
  inset-inline: 0;
  z-index: -1;
  background-color: var(--sky-soft);
  background-image: repeating-linear-gradient(90deg, oklch(0.33 0.11 262 / 0.07) 0 1px, transparent 1px 10px);
}

.hero-grid {
  display: grid;
  gap: clamp(40px, 5vw, 72px);
  align-items: center;
}

@media (min-width: 980px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
  }

  .hero::before {
    inset-block: 0;
    inset-inline-start: auto;
    width: 40%;
  }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--blue);
}

.eyebrow svg {
  width: 16px;
  height: 16px;
  color: var(--orange-deep);
  flex: none;
}

.hero h1 {
  margin-block: 20px 22px;
  font-size: clamp(2.4rem, 1.3rem + 4.2vw, 4.6rem);
  font-weight: 780;
  letter-spacing: -0.02em;
}

:lang(zh) .hero h1 {
  letter-spacing: 0;
  font-weight: 700;
}

:lang(ar) .hero h1 {
  letter-spacing: 0;
  font-size: clamp(2.1rem, 1.2rem + 3.4vw, 3.8rem);
}

.lead {
  max-width: 58ch;
  font-size: clamp(1.05rem, 1rem + 0.3vw, 1.22rem);
  color: var(--ink-soft);
}

.hero .actions {
  margin-block-start: 32px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-block-start: 28px;
}

.hero-tags li {
  padding: 5px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.hero-visual {
  position: relative;
  padding-block-end: 22%;
}

.hero-visual figure {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--photo);
}

.hero-visual img {
  width: 100%;
}

.hv-main {
  width: 92%;
}

.hv-sub {
  position: absolute !important;
  inset-inline-end: 0;
  inset-block-end: 0;
  width: 54%;
  border: 6px solid var(--paper);
  box-shadow: 0 24px 48px oklch(0.26 0.085 263 / 0.16);
}

.hero-visual figcaption {
  position: absolute;
  inset-inline-start: 0;
  inset-block-end: 0;
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 8px 14px;
  background: var(--paper);
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--navy);
}

.hv-sub figcaption {
  inset-inline-start: auto;
  inset-inline-end: 0;
  inset-block-end: auto;
  inset-block-start: 0;
}

/* ---------- Core strip ---------- */

.core-strip {
  background: var(--navy);
  color: var(--on-navy);
}

.core-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 40px;
  padding-block: 20px;
}

.core-label {
  font-family: var(--font-display);
  font-stretch: var(--stretch-label);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--orange);
}

.core-inner ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 0;
}

.core-inner li {
  display: flex;
  align-items: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.02rem;
}

.core-inner li + li::before {
  content: "";
  width: 1px;
  height: 14px;
  margin-inline: 18px;
  background: oklch(0.8 0.035 255 / 0.45);
}

/* ---------- Sections ---------- */

.section {
  padding-block: var(--section-y);
}

.section-head {
  max-width: 760px;
}

.kicker {
  margin-block-end: 14px;
  font-size: 0.82rem;
  color: var(--orange-deep);
}

.section-head h2,
.section-head h1 {
  font-size: clamp(1.9rem, 1.2rem + 2.6vw, 3.2rem);
  font-weight: 760;
  letter-spacing: -0.015em;
}

:lang(zh) .section-head h2,
:lang(zh) .section-head h1,
:lang(ar) .section-head h2,
:lang(ar) .section-head h1 {
  letter-spacing: 0;
}

.section-head .lead {
  margin-block-start: 18px;
}

/* ---------- Product lines (home) ---------- */

.lines-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-lg);
  margin-block-end: clamp(32px, 4vw, 56px);
}

.lines-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(14px, 1.6vw, 22px);
}

.line {
  grid-column: span 4;
}

.line:nth-child(-n + 2) {
  grid-column: span 6;
}

@media (max-width: 960px) {
  .line,
  .line:nth-child(-n + 2) {
    grid-column: span 6;
  }
}

@media (max-width: 600px) {
  .line,
  .line:nth-child(-n + 2) {
    grid-column: span 12;
  }
}

.line a {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.3s var(--ease);
}

.line-img {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--photo);
}

.line:nth-child(-n + 2) .line-img {
  aspect-ratio: 2 / 1;
}

.line-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

.line-body {
  display: grid;
  gap: 4px;
  padding: 18px 56px 22px 20px;
  padding-inline: 20px 56px;
}

.line-name {
  font-family: var(--font-display);
  font-stretch: 104%;
  font-weight: 700;
  font-size: 1.15rem;
  line-height: 1.25;
  color: var(--navy);
}

.line:nth-child(-n + 2) .line-name {
  font-size: clamp(1.2rem, 1rem + 0.7vw, 1.5rem);
}

.line-tag {
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.line a > .arrow {
  position: absolute;
  inset-inline-end: 20px;
  inset-block-end: 22px;
  width: 22px;
  height: 22px;
  color: var(--navy);
  opacity: 0.35;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.line a:hover {
  border-color: var(--navy);
}

.line a:hover img {
  transform: scale(1.045);
}

.line a:hover > .arrow {
  opacity: 1;
}

/* ---------- Why ---------- */

.why {
  border-block-start: 1px solid var(--line);
}

.why-grid {
  display: grid;
  gap: clamp(40px, 6vw, 88px);
}

@media (min-width: 980px) {
  .why-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .why-intro {
    position: sticky;
    inset-block-start: calc(var(--header-h) + 40px);
  }
}

.why-photo {
  margin-block-start: 36px;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--photo);
}

.why-photo img {
  width: 100%;
}

.why-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(16px, 3vw, 32px);
  padding-block: clamp(24px, 3vw, 36px);
  border-block-start: 1px solid var(--line);
}

.why-list li:last-child {
  border-block-end: 1px solid var(--line);
}

.why-no {
  font-family: "Archivo", sans-serif;
  font-stretch: 70%;
  font-weight: 800;
  font-size: clamp(2.4rem, 1.8rem + 2vw, 3.4rem);
  line-height: 0.9;
  color: var(--orange);
  min-width: 2ch;
}

.why-list h3 {
  font-size: clamp(1.2rem, 1rem + 0.6vw, 1.45rem);
  font-weight: 700;
}

.why-list p {
  max-width: 52ch;
  margin-block-start: 8px;
  color: var(--ink-soft);
}

/* ---------- OEM ---------- */

.oem {
  position: relative;
  background-color: var(--navy);
  background-image: repeating-linear-gradient(90deg, oklch(0.96 0.012 250 / 0.035) 0 1px, transparent 1px 10px);
  color: var(--on-navy);
}

.oem h2,
.oem h3 {
  color: var(--on-navy);
}

.oem .kicker {
  color: var(--orange);
}

.oem .lead {
  color: var(--on-navy-soft);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-block: clamp(40px, 5vw, 64px);
}

.steps li {
  position: relative;
  padding-block: 32px 8px;
  padding-inline-end: 28px;
  border-block-start: 1px solid oklch(0.96 0.012 250 / 0.25);
}

.steps li::before {
  content: "";
  position: absolute;
  inset-block-start: -5px;
  inset-inline-start: 0;
  width: 9px;
  height: 9px;
  background: var(--orange);
}

.step-no {
  display: block;
  margin-block-end: 12px;
  font-family: "Archivo", sans-serif;
  font-stretch: 78%;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.steps h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

.steps p {
  margin-block-start: 8px;
  font-size: 0.95rem;
  color: var(--on-navy-soft);
}

@media (max-width: 860px) {
  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 24px;
  }
}

@media (max-width: 520px) {
  .steps {
    grid-template-columns: 1fr;
  }
}

/* ---------- Markets ---------- */

.markets-grid {
  display: grid;
  gap: clamp(32px, 5vw, 80px);
}

@media (min-width: 980px) {
  .markets-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}

.regions li {
  display: flex;
  align-items: baseline;
  gap: 20px;
  padding-block: 16px;
  border-block-end: 1px solid var(--line);
}

.regions li:first-child {
  border-block-start: 1px solid var(--line);
}

.region {
  font-family: var(--font-display);
  font-stretch: 112%;
  font-weight: 760;
  font-size: clamp(1.8rem, 1.1rem + 2.6vw, 3.1rem);
  line-height: 1.1;
  color: var(--navy);
}

.more {
  margin-block-start: 16px;
  color: var(--ink-soft);
}

.mini-label {
  display: block;
  font-size: 0.78rem;
  color: var(--ink-soft);
}

.markets-body .mini-label {
  margin-block: 36px 12px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chips li {
  padding: 8px 16px;
  background: var(--sky-soft);
  border: 1px solid var(--sky);
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--navy);
}

/* ---------- Values ---------- */

.values {
  padding-block: clamp(56px, 8vw, 104px);
  background-color: var(--sky-soft);
  border-block: 1px solid var(--line);
}

.values-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-block-start: 8px;
}

.values-list li {
  padding-inline: clamp(20px, 3vw, 40px);
  border-inline-start: 1px solid var(--line-strong);
}

.values-list li:first-child {
  padding-inline-start: 0;
  border-inline-start: 0;
}

.values-list h3 {
  font-size: clamp(1.4rem, 1rem + 1.4vw, 2.1rem);
  font-weight: 760;
}

.values-list p {
  margin-block-start: 12px;
  max-width: 36ch;
  color: var(--ink-soft);
}

@media (max-width: 760px) {
  .values-list {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .values-list li {
    padding-inline: 0;
    border-inline-start: 0;
    padding-block-start: 28px;
    border-block-start: 1px solid var(--line-strong);
  }

  .values-list li:first-child {
    padding-block-start: 0;
    border-block-start: 0;
  }
}

/* ---------- Footer ---------- */

.band {
  position: relative;
  height: 24px;
  background: var(--navy-deep);
}

.band::before,
.band::after {
  content: "";
  position: absolute;
  background: var(--orange);
}

.band::before {
  inset-inline: 0;
  inset-block-start: 0;
  height: 10px;
}

.band::after {
  inset-inline-end: 0;
  inset-block: 10px 0;
  width: 22%;
}

.footer-main {
  padding-block: clamp(48px, 7vw, 88px) 32px;
  background: var(--navy-deep);
  color: var(--on-navy);
}

.footer-cta {
  padding-block-end: clamp(40px, 5vw, 64px);
  border-block-end: 1px solid oklch(0.96 0.012 250 / 0.15);
}

.footer-cta h2 {
  max-width: 22ch;
  font-size: clamp(1.8rem, 1.2rem + 2.4vw, 3.1rem);
  font-weight: 760;
  color: var(--on-navy);
}

.footer-cta p {
  max-width: 56ch;
  margin-block: 16px 28px;
  color: var(--on-navy-soft);
  font-size: 1.08rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1.1fr auto;
  gap: 40px;
  padding-block: 48px;
}

@media (max-width: 1000px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-grid h3 {
  margin-block-end: 16px;
  font-stretch: var(--stretch-label);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--orange);
}

.f-brand img {
  height: 48px;
  width: auto;
}

.f-company {
  margin-block-start: 16px;
  font-weight: 700;
}

.f-address {
  margin-block-start: 6px;
  max-width: 34ch;
  font-size: 0.92rem;
  color: var(--on-navy-soft);
}

.f-links li + li {
  margin-block-start: 8px;
}

.f-links a {
  color: var(--on-navy-soft);
  transition: color 0.2s var(--ease);
}

.f-links a:hover {
  color: var(--on-navy);
}

.f-contact div + div {
  margin-block-start: 12px;
}

.f-contact dt {
  font-size: 0.8rem;
  color: var(--on-navy-soft);
}

.f-contact dd {
  font-weight: 600;
}

.f-contact a:hover {
  color: var(--orange);
}

.f-qr {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.f-qr figure {
  width: 124px;
  padding: 8px;
  background: var(--paper);
  border-radius: var(--radius);
}

.f-qr img {
  width: 100%;
}

.f-qr figcaption {
  margin-block-start: 6px;
  font-size: 0.72rem;
  line-height: 1.35;
  text-align: center;
  color: var(--ink-soft);
}

.copy {
  padding-block-start: 24px;
  border-block-start: 1px solid oklch(0.96 0.012 250 / 0.15);
  font-size: 0.82rem;
  color: var(--on-navy-soft);
}

.float-wa {
  position: fixed;
  inset-inline-end: 20px;
  inset-block-end: 20px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px 12px 14px;
  padding-inline: 14px 18px;
  background: var(--wa);
  color: oklch(0.99 0.005 150);
  border-radius: 999px;
  font-weight: 600;
  box-shadow: 0 10px 28px oklch(0.3 0.08 152 / 0.35);
  transition: transform 0.3s var(--ease);
}

.float-wa:hover {
  transform: translateY(-2px);
}

.float-wa svg {
  width: 24px;
  height: 24px;
}

@media (max-width: 600px) {
  .float-wa {
    padding: 14px;
  }

  .float-wa span {
    display: none;
  }
}

/* ---------- Page hero ---------- */

.page-hero {
  padding-block: clamp(48px, 7vw, 104px) clamp(36px, 5vw, 64px);
  background-color: var(--sky-soft);
  background-image: repeating-linear-gradient(90deg, oklch(0.33 0.11 262 / 0.05) 0 1px, transparent 1px 10px);
  border-block-end: 1px solid var(--line);
}

.page-hero .section-head h1 {
  font-size: clamp(2.2rem, 1.3rem + 3.4vw, 4rem);
}

/* ---------- Catalog ---------- */

.cat-index {
  position: sticky;
  inset-block-start: var(--header-h);
  z-index: 30;
  background: oklch(0.988 0.004 250 / 0.97);
  border-block-end: 1px solid var(--line);
}

.cat-index-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-block: 10px;
  overflow-x: auto;
  scrollbar-width: none;
}

.cat-index-inner::-webkit-scrollbar {
  display: none;
}

.cat-index .mini-label {
  flex: none;
}

.cat-index ul {
  display: flex;
  gap: 4px;
}

.cat-index a {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 0.875rem;
  white-space: nowrap;
  color: var(--ink-soft);
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.cat-index a .no {
  font-size: 0.72rem;
}

.cat-index a:hover,
.cat-index a.is-active {
  background: var(--sky);
  color: var(--navy);
}

.catalog {
  padding-block-end: clamp(40px, 6vw, 80px);
}

.cat {
  display: grid;
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  padding-block: clamp(48px, 6vw, 88px);
  border-block-end: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 64px);
}

.cat:last-child {
  border-block-end: 0;
}

@media (min-width: 900px) {
  .cat {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  }

  .cat:nth-child(even) .cat-img {
    order: 2;
  }
}

.cat-img {
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--photo);
}

.cat-img img {
  width: 100%;
}

.cat-body h2 {
  margin-block-start: 10px;
  font-size: clamp(1.7rem, 1.2rem + 1.8vw, 2.6rem);
  font-weight: 760;
}

.cat-tag {
  margin-block-start: 10px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--blue);
}

.cat-desc {
  max-width: 52ch;
  margin-block: 16px 28px;
  font-size: 1.06rem;
  color: var(--ink-soft);
}

.checks {
  display: grid;
  gap: 10px;
  margin-block: 12px 32px;
}

.checks li {
  display: flex;
  gap: 10px;
}

.checks svg {
  flex: none;
  width: 18px;
  height: 18px;
  margin-block-start: 0.2em;
  color: var(--orange-deep);
}

/* ---------- About ---------- */

.about-hero-grid {
  display: grid;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

@media (min-width: 980px) {
  .about-hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

.about-collage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 12px;
  height: clamp(280px, 32vw, 400px);
}

.about-collage figure {
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--photo);
}

.about-collage img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ac-1 {
  grid-row: span 2;
}

.story-row {
  display: grid;
  gap: 12px 48px;
  padding-block: clamp(28px, 3.5vw, 44px);
  border-block-start: 1px solid var(--line);
}

@media (min-width: 860px) {
  .story-row {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }
}

.story-row h2 {
  font-size: clamp(1.35rem, 1rem + 1vw, 1.85rem);
  font-weight: 720;
}

.story-row h2 .no {
  display: block;
  margin-block-end: 8px;
}

.story-row p {
  max-width: 68ch;
  font-size: 1.08rem;
  line-height: calc(var(--leading-body) + 0.1);
}

.qinghe {
  margin-block-start: clamp(32px, 4vw, 56px);
  padding: clamp(28px, 4vw, 56px);
  background-color: var(--sky);
  border-radius: var(--radius);
}

.qinghe h2 {
  font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.2rem);
  font-weight: 760;
}

.qinghe p {
  max-width: 70ch;
  margin-block-start: 14px;
  font-size: 1.06rem;
}

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  gap: clamp(36px, 5vw, 64px);
  align-items: start;
}

@media (min-width: 960px) {
  .contact-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

.inquiry {
  padding: clamp(22px, 3vw, 40px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.inquiry h2,
.direct h2 {
  margin-block-end: 24px;
  font-size: 1.5rem;
  font-weight: 720;
}

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

@media (max-width: 560px) {
  .field-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

.field {
  display: grid;
  gap: 6px;
  margin-block-end: 18px;
}

.field > span {
  font-size: 0.9rem;
  font-weight: 600;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  background: oklch(1 0 0 / 0.6);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.field textarea {
  resize: vertical;
  min-height: 132px;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px oklch(0.74 0.165 60 / 0.35);
}

.field .is-invalid {
  border-color: oklch(0.55 0.2 27);
  box-shadow: 0 0 0 3px oklch(0.55 0.2 27 / 0.15);
}

.field-short {
  max-width: 280px;
}

.inquiry .btn {
  margin-block-start: 8px;
}

.form-note {
  margin-block-start: 14px;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.channels li {
  border-block-end: 1px solid var(--line);
}

.channels li:first-child {
  border-block-start: 1px solid var(--line);
}

.channels a,
.channels li > div {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding-block: 18px;
}

.channels svg {
  flex: none;
  width: 26px;
  height: 26px;
  color: var(--navy);
}

.channels span {
  display: grid;
  gap: 2px;
}

.channels small {
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.channels b {
  font-family: var(--font-display);
  font-weight: 650;
  font-size: 1.08rem;
  color: var(--navy);
}

.channels em {
  font-style: normal;
  font-size: 0.85rem;
  color: var(--blue);
}

.channels a:hover b {
  color: var(--blue);
}

.qr-light {
  margin-block-start: 28px;
}

.qr-light figure {
  border: 1px solid var(--line);
}

/* ---------- Motion ---------- */

@media (prefers-reduced-motion: no-preference) {
  .js [data-reveal] {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  }

  .js [data-reveal].is-in {
    opacity: 1;
    transform: none;
  }

  .hero-copy > *,
  .hero-visual figure {
    animation: rise 0.9s var(--ease) both;
  }

  .hero-copy > :nth-child(2) { animation-delay: 0.06s; }
  .hero-copy > :nth-child(3) { animation-delay: 0.14s; }
  .hero-copy > :nth-child(4) { animation-delay: 0.22s; }
  .hero-copy > :nth-child(5) { animation-delay: 0.3s; }
  .hv-main { animation-delay: 0.12s !important; }
  .hv-sub { animation-delay: 0.32s !important; }

  @keyframes rise {
    from {
      opacity: 0;
      transform: translateY(24px);
    }
  }
}

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

/* ---------- Product browsing ---------- */

.cat-browse {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-block: -8px 24px;
  padding-block-end: 4px;
  border-block-end: 1px solid currentColor;
  font-family: var(--font-display);
  font-weight: 650;
  color: var(--navy);
}

.cat-browse b {
  min-width: 2.2em;
  padding: 1px 8px;
  border-radius: 999px;
  background: var(--orange);
  color: var(--navy-deep);
  font-size: 0.82rem;
  text-align: center;
}

.cat-browse svg {
  width: 18px;
  height: 18px;
}

.crumbs {
  margin-block-end: 20px;
  font-size: 0.875rem;
  color: var(--ink-soft);
}

.crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 0;
}

.crumbs li + li::before {
  content: "/";
  margin-inline: 10px;
  color: var(--line-strong);
}

.crumbs a {
  color: var(--blue);
}

.crumbs a:hover {
  text-decoration: underline;
}

.crumbs [aria-current] {
  color: var(--ink);
  font-weight: 600;
}

.cat-hero {
  padding-block-end: clamp(32px, 4vw, 48px);
}

.plist {
  padding-block: clamp(32px, 4vw, 56px) var(--section-y);
}

.plist-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-block-end: 28px;
}

.plist-count {
  font-family: var(--font-display);
  font-stretch: var(--stretch-label);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--ink-soft);
}

.plist-search input {
  width: min(100%, 360px);
  padding: 12px 16px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.plist-search input:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px oklch(0.74 0.165 60 / 0.35);
}

.plist-empty {
  padding-block: 32px;
  color: var(--ink-soft);
}

.plist-empty .text-link {
  margin-inline-start: 12px;
}

.pgrid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 220px), 1fr));
  gap: clamp(12px, 1.6vw, 20px);
}

.pgrid-4 {
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 200px), 1fr));
}

.pcard[hidden] {
  display: none;
}

.pcard a {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.3s var(--ease);
}

.pcard a:hover {
  border-color: var(--navy);
}

.pcard-img {
  display: block;
  aspect-ratio: 1;
  overflow: hidden;
  background: oklch(0.975 0.008 240);
  border-block-end: 1px solid var(--line);
}

.pcard-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.6s var(--ease);
}

.pcard a:hover .pcard-img img {
  transform: scale(1.05);
}

img.ph {
  object-fit: contain;
  padding: 28%;
  opacity: 0.22;
}

.pcard-body {
  display: grid;
  gap: 4px;
  padding: 14px 16px 18px;
}

.pcard-sku {
  font-family: var(--font-display);
  font-stretch: 100%;
  font-weight: 750;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  color: var(--orange-deep);
  overflow-wrap: anywhere;
}

.pcard-name {
  font-size: 0.95rem;
  line-height: 1.4;
  color: var(--navy);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- Product detail ---------- */

.pdp {
  padding-block: clamp(28px, 4vw, 56px) var(--section-y);
}

.pdp-grid {
  display: grid;
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}

@media (min-width: 900px) {
  .pdp-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .pdp-gallery {
    position: sticky;
    inset-block-start: calc(var(--header-h) + 24px);
  }
}

.pdp-main {
  aspect-ratio: 1;
  overflow: hidden;
  background: oklch(0.975 0.008 240);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.pdp-main img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.pdp-thumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-block-start: 10px;
}

.pdp-thumbs button {
  display: block;
  width: 72px;
  height: 72px;
  padding: 0;
  overflow: hidden;
  background: oklch(0.975 0.008 240);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.2s var(--ease);
}

.pdp-thumbs button[aria-current="true"],
.pdp-thumbs button:hover {
  border-color: var(--navy);
  outline: 1px solid var(--navy);
}

.pdp-thumbs img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.pdp-info h1 {
  margin-block-start: 4px;
  font-size: clamp(1.7rem, 1.2rem + 1.8vw, 2.6rem);
  font-weight: 760;
  letter-spacing: -0.01em;
}

:lang(zh) .pdp-info h1,
:lang(ar) .pdp-info h1 {
  letter-spacing: 0;
}

.specs {
  margin-block: 24px;
  border-block-start: 1px solid var(--line);
}

.specs > div {
  display: grid;
  grid-template-columns: minmax(96px, 0.35fr) 1fr;
  gap: 16px;
  padding-block: 12px;
  border-block-end: 1px solid var(--line);
}

.specs dt {
  color: var(--ink-soft);
}

.specs dd {
  font-weight: 600;
  color: var(--navy);
  overflow-wrap: anywhere;
}

.specs a {
  color: var(--blue);
}

.specs a:hover {
  text-decoration: underline;
}

.pdp-desc {
  max-width: 60ch;
  margin-block-end: 28px;
  color: var(--ink-soft);
}

.pdp-block {
  margin-block-start: clamp(40px, 5vw, 72px);
  padding-block-start: clamp(24px, 3vw, 36px);
  border-block-start: 1px solid var(--line);
}

.pdp-block h2 {
  margin-block-end: 18px;
  font-size: clamp(1.2rem, 1rem + 0.7vw, 1.55rem);
  font-weight: 720;
}

.oe-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.oe-list li {
  padding: 6px 14px;
  background: var(--sky-soft);
  border: 1px solid var(--sky);
  border-radius: 999px;
  font-family: var(--font-display);
  font-stretch: 100%;
  font-weight: 600;
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
  color: var(--navy);
}

.pdp-apps {
  max-width: 80ch;
}