:root {
  --bg: #ffffff;
  --surface: #f5f5f7;
  --surface-2: #efeff2;
  --ink: #1d1d1f;
  --ink-soft: #424245;
  --muted: #86868b;
  --line: rgba(0, 0, 0, 0.08);
  --line-strong: rgba(0, 0, 0, 0.14);
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --dark: #101012;
  --dark-2: #1a1a1d;
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --shadow-soft: 0 20px 60px -30px rgba(0, 0, 0, 0.28);
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.04), 0 12px 32px -20px rgba(0, 0, 0, 0.22);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro SC", "SF Pro Text", "PingFang SC",
    "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.is-locked { overflow: hidden; }

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
h1, h2, h3, h4, p, figure { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

::selection { background: rgba(0, 113, 227, 0.18); }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--surface); }
::-webkit-scrollbar-thumb { background: #c7c7cc; border-radius: 999px; border: 2px solid var(--surface); }
::-webkit-scrollbar-thumb:hover { background: #a8a8ad; }

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 40px);
}

.section { padding: clamp(80px, 9vw, 150px) 0; position: relative; }

main section[id] { scroll-margin-top: 90px; }
#home { scroll-margin-top: 0; }

.eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}

.h2 {
  font-size: clamp(28px, 4vw, 50px);
  font-weight: 600;
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.lead {
  font-size: clamp(17px, 1.4vw, 20px);
  line-height: 1.75;
  color: var(--ink-soft);
}

.section__head { max-width: 760px; margin-bottom: clamp(48px, 5vw, 72px); }
.section__head .h2 { margin-bottom: 20px; }
.section__desc { font-size: 17px; line-height: 1.8; color: var(--muted); }

.section__head--light .h2 { color: #fff; }
.section__head--light .section__desc { color: rgba(255, 255, 255, 0.62); }
.section__head--light .eyebrow { color: #6cb2ff; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform 0.4s var(--ease), background 0.3s ease, color 0.3s ease,
    border-color 0.3s ease, box-shadow 0.4s var(--ease);
  white-space: nowrap;
}

.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 14px 30px -14px rgba(0, 113, 227, 0.7); }

.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: #000; transform: translateY(-2px); box-shadow: var(--shadow-soft); }

.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn--ghost:hover { border-color: var(--ink); transform: translateY(-2px); }

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

.nav__inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 16px clamp(20px, 5vw, 40px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  transition: padding 0.4s var(--ease);
}

.nav.is-scrolled {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06), 0 12px 30px -24px rgba(0, 0, 0, 0.5);
}

.nav.is-scrolled .nav__inner { padding-top: 10px; padding-bottom: 10px; }

.brand { display: flex; align-items: center; gap: 12px; position: relative; z-index: 6; }

.brand__logo {
  height: 42px;
  width: auto;
  filter: brightness(0) invert(1);
  transition: height 0.4s var(--ease), filter 0.4s ease;
}

.nav.is-scrolled .brand__logo { height: 36px; filter: none; }

.brand__name { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name strong { font-size: 17px; font-weight: 600; letter-spacing: 0.06em; color: #fff; transition: color 0.4s ease; }
.brand__name em { display: none; }

.nav.is-scrolled .brand__name strong { color: var(--ink); }
.nav.is-scrolled .brand__name em { color: var(--muted); }

.nav__menu { display: flex; align-items: center; gap: 4px; }

.nav__link {
  position: relative;
  padding: 9px 16px;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.82);
  border-radius: 999px;
  transition: color 0.3s ease, background 0.3s ease;
}

.nav__link:hover { color: #fff; background: rgba(255, 255, 255, 0.12); }
.nav__link.is-active { color: #fff; }

.nav.is-scrolled .nav__link { color: var(--ink-soft); }
.nav.is-scrolled .nav__link:hover { color: var(--ink); background: rgba(0, 0, 0, 0.05); }
.nav.is-scrolled .nav__link.is-active { color: var(--accent); }

.nav__link--mobile { display: none; }

.nav__actions { display: flex; align-items: center; gap: 12px; position: relative; z-index: 7; }

.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  transition: border-color 0.35s ease;
}

.lang-switch__btn {
  min-width: 40px;
  padding: 6px 10px;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.2;
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease;
}

.lang-switch__btn:hover { color: #fff; }
.lang-switch__btn.is-active { background: #fff; color: var(--ink); }
.lang-switch__btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.nav.is-scrolled .lang-switch { border-color: var(--line-strong); }
.nav.is-scrolled .lang-switch__btn { color: var(--muted); }
.nav.is-scrolled .lang-switch__btn:hover { color: var(--ink); }
.nav.is-scrolled .lang-switch__btn.is-active { background: var(--ink); color: #fff; }

.nav.is-open .lang-switch { border-color: rgba(255, 255, 255, 0.35); }
.nav.is-open .lang-switch__btn { color: rgba(255, 255, 255, 0.72); }
.nav.is-open .lang-switch__btn:hover { color: #fff; }
.nav.is-open .lang-switch__btn.is-active { background: #fff; color: var(--ink); }

.nav__tel {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  transition: all 0.35s var(--ease);
}

.nav__tel svg { width: 15px; height: 15px; fill: currentColor; }
.nav__tel:hover { background: #fff; color: var(--ink); border-color: #fff; }

.nav.is-scrolled .nav__tel { background: var(--ink); color: #fff; border-color: var(--ink); }
.nav.is-scrolled .nav__tel:hover { background: var(--accent); border-color: var(--accent); }

.nav__toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 0;
  position: relative;
}

.nav__toggle span {
  position: absolute;
  left: 11px;
  width: 20px;
  height: 1.6px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.35s var(--ease), opacity 0.3s ease, background 0.4s ease;
}

.nav__toggle span:nth-child(1) { top: 17px; }
.nav__toggle span:nth-child(2) { top: 24px; }

.nav.is-scrolled .nav__toggle span { background: var(--ink); }
.nav.is-open .nav__toggle span:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
.nav.is-open .nav__toggle span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }

.hero { position: relative; height: 100svh; min-height: 620px; overflow: hidden; background: var(--dark); }
.hero__stage { position: absolute; inset: 0; }

.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1.1s var(--ease), visibility 1.1s;
}

.hero__slide.is-active { opacity: 1; visibility: visible; }

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.09);
  transition: transform 8s linear;
}

.hero__slide.is-active .hero__img { transform: scale(1); }

.hero__badge {
  position: absolute;
  top: clamp(400px, 24vh, 240px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  white-space: nowrap;
  font-size: clamp(22px, 4.5vw, 52px);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #fff;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
  pointer-events: none;
  text-align: center;
}

.hero__veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(96deg, rgba(6, 8, 12, 0.86) 0%, rgba(6, 8, 12, 0.58) 42%, rgba(6, 8, 12, 0.18) 100%),
    linear-gradient(to top, rgba(6, 8, 12, 0.62) 0%, rgba(6, 8, 12, 0) 42%);
}

.hero__content {
  position: relative;
  height: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 60px clamp(20px, 5vw, 40px) 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.hero__eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.34em;
  color: rgba(255, 255, 255, 0.66);
  margin-bottom: 22px;
}

.hero__title {
  font-size: clamp(38px, 6.2vw, 78px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: #fff;
  max-width: 13em;
}

.hero__desc {
  margin-top: 26px;
  font-size: clamp(15px, 1.3vw, 18px);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.76);
  max-width: 34em;
}

.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 40px; }
.hero .btn--ghost { color: #fff; border-color: rgba(255, 255, 255, 0.42); }
.hero .btn--ghost:hover { background: rgba(255, 255, 255, 0.12); border-color: #fff; }

.hero__content > * {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}

.hero__slide.is-active .hero__content > * { opacity: 1; transform: none; }
.hero__slide.is-active .hero__eyebrow { transition-delay: 0.15s; }
.hero__slide.is-active .hero__title { transition-delay: 0.26s; }
.hero__slide.is-active .hero__desc { transition-delay: 0.4s; }
.hero__slide.is-active .hero__cta { transition-delay: 0.52s; }

.hero__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.4s var(--ease);
}

.hero__arrow svg { width: 20px; height: 20px; fill: none; stroke: #fff; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.hero__arrow:hover { background: #fff; border-color: #fff; transform: translateY(-50%) scale(1.06); }
.hero__arrow:hover svg { stroke: var(--ink); }
.hero__arrow--prev { left: clamp(16px, 3vw, 40px); }
.hero__arrow--next { right: clamp(16px, 3vw, 40px); }

.hero__dots {
  position: absolute;
  left: 50%;
  bottom: 46px;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero__dot {
  width: 34px;
  height: 3px;
  border: none;
  padding: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: background 0.4s ease;
}

.hero__dot::after {
  content: "";
  position: absolute;
  inset: 0;
  background: #fff;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}

.hero__dot.is-active { background: rgba(255, 255, 255, 0.3); }
.hero__dot.is-active::after { transform: scaleX(1); }
.hero__dot.is-active.is-playing::after { animation: dotFill 6.5s linear forwards; }

@keyframes dotFill {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.hero__scroll {
  position: absolute;
  right: clamp(20px, 4vw, 44px);
  bottom: 40px;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.6);
}

.hero__scroll-text { font-size: 10px; letter-spacing: 0.3em; writing-mode: vertical-rl; }
.hero__scroll-line { width: 1px; height: 52px; background: rgba(255, 255, 255, 0.28); position: relative; overflow: hidden; }
.hero__scroll-line::after {
  content: "";
  position: absolute;
  top: -52px;
  left: 0;
  width: 100%;
  height: 52px;
  background: #fff;
  animation: scrollHint 2.4s ease-in-out infinite;
}

@keyframes scrollHint {
  0% { transform: translateY(0); }
  60%, 100% { transform: translateY(104px); }
}

.about__grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(40px, 6vw, 90px);
  align-items: center;
}

.about__media { position: relative; border-radius: var(--radius-lg); overflow: hidden; }
.about__media img { width: 100%; height: clamp(380px, 46vw, 560px); object-fit: cover; }

.about__badge {
  position: absolute;
  left: 24px;
  bottom: 24px;
  padding: 18px 26px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.about__badge strong { font-size: 34px; font-weight: 600; letter-spacing: -0.02em; color: var(--ink); }
.about__badge span { font-size: 13px; color: var(--muted); }

.about__body .h2 { margin-bottom: 26px; }
.about__body p + p { margin-top: 18px; }
.about__body .lead { margin-bottom: 6px; }

.about__points { margin: 34px 0 38px; display: grid; gap: 14px; }

.about__points li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15.5px;
  color: var(--ink-soft);
}

.about__points i {
  flex: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(0, 113, 227, 0.1);
  position: relative;
}

.about__points i::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 6.5px;
  width: 8px;
  height: 4px;
  border-left: 1.6px solid var(--accent);
  border-bottom: 1.6px solid var(--accent);
  transform: rotate(-45deg);
}

.stats {
  margin-top: clamp(60px, 7vw, 110px);
  padding-top: clamp(40px, 5vw, 64px);
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat strong {
  display: block;
  font-size: clamp(30px, 3.4vw, 46px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.stat span { display: block; margin-top: 8px; font-size: 14px; color: var(--muted); }

.products { background: var(--surface); }

.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }

.filter {
  padding: 10px 22px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: #fff;
  font-size: 14px;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.35s var(--ease);
}

.filter:hover { border-color: var(--ink); transform: translateY(-1px); }
.filter.is-active { background: var(--ink); border-color: var(--ink); color: #fff; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: clamp(14px, 1.6vw, 22px);
}

.pcard {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: zoom-in;
  text-align: left;
  padding: 0;
  font-family: inherit;
  transition: transform 0.55s var(--ease), box-shadow 0.55s var(--ease), border-color 0.4s ease;
  animation: cardIn 0.6s var(--ease) both;
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}

.pcard:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); border-color: transparent; }

.pcard__media {
  aspect-ratio: 1 / 1;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
}

.pcard__media img { width: 100%; height: 100%; object-fit: contain; transition: transform 0.7s var(--ease); }
.pcard:hover .pcard__media img { transform: scale(1.06); }

.pcard__body {
  padding: 14px 18px 18px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.pcard__name { font-size: 15px; font-weight: 600; color: var(--ink); }
.pcard__model { font-size: 12px; color: var(--muted); letter-spacing: 0.06em; }

.pcard--empty {
  cursor: default;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 40px 24px;
  min-height: 260px;
  text-align: center;
  background: rgba(255, 255, 255, 0.6);
  border-style: dashed;
}

.pcard--empty:hover { transform: none; box-shadow: none; border-color: var(--line-strong); }
.pcard--empty strong { font-size: 16px; font-weight: 600; }
.pcard--empty span { font-size: 13.5px; color: var(--muted); line-height: 1.7; }
.pcard--empty a { color: var(--accent); font-size: 13.5px; }

.products__note {
  margin-top: 40px;
  font-size: 14px;
  color: var(--muted);
  text-align: center;
  line-height: 1.8;
}

.factory { background: var(--dark); color: #fff; }

.factory__gallery {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  grid-template-rows: repeat(2, 1fr);
  gap: clamp(14px, 1.6vw, 22px);
  height: clamp(420px, 48vw, 580px);
}

.factory__item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--dark-2);
}

.factory__item--wide { grid-row: span 2; }
.factory__item img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.factory__item:hover img { transform: scale(1.05); }

.factory__item figcaption {
  position: absolute;
  left: 22px;
  bottom: 20px;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.6);
}

.factory__item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0) 55%);
  pointer-events: none;
}

.caps {
  margin-top: clamp(40px, 5vw, 64px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(20px, 2.4vw, 34px);
}

.cap { border-top: 1px solid rgba(255, 255, 255, 0.14); padding-top: 24px; }
.cap__no { font-size: 12px; letter-spacing: 0.2em; color: #6cb2ff; font-weight: 600; }
.cap h3 { margin: 14px 0 10px; font-size: 18px; font-weight: 600; color: #fff; }
.cap p { font-size: 14px; line-height: 1.75; color: rgba(255, 255, 255, 0.58); }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(16px, 2vw, 24px);
}

.card {
  padding: clamp(28px, 3vw, 38px);
  border-radius: var(--radius-md);
  background: var(--surface);
  transition: transform 0.55s var(--ease), background 0.5s ease, box-shadow 0.55s var(--ease);
}

.card:hover { transform: translateY(-6px); background: #fff; box-shadow: var(--shadow-card); }

.card__icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: background 0.5s ease;
}

.card:hover .card__icon { background: rgba(0, 113, 227, 0.08); }
.card__icon svg { width: 24px; height: 24px; fill: none; stroke: var(--accent); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { font-size: 19px; font-weight: 600; margin-bottom: 10px; }
.card p { font-size: 14.5px; line-height: 1.75; color: var(--muted); }

.contact__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(40px, 6vw, 90px);
  align-items: start;
}

.contact__intro .h2 { margin-bottom: 22px; }
.contact__intro .section__desc { max-width: 34em; }
.contact__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.contact__list { display: grid; gap: 0; }

.contact__item {
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 20px;
  align-items: baseline;
}

.contact__item:first-child { border-top: 1px solid var(--line); }
.contact__label { font-size: 13px; letter-spacing: 0.06em; color: var(--muted); }
.contact__value { font-size: 16px; line-height: 1.7; color: var(--ink); }
.contact__value a { border-bottom: 1px solid transparent; transition: color 0.3s ease, border-color 0.3s ease; }
.contact__value a:hover { color: var(--accent); border-color: var(--accent); }
.contact__value em { font-style: normal; font-size: 13px; color: var(--muted); margin-left: 6px; }
.contact__sep { color: var(--line-strong); margin: 0 8px; }

.footer { background: var(--surface); padding: clamp(60px, 7vw, 90px) 0 34px; }

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: clamp(30px, 4vw, 60px);
  padding-bottom: clamp(40px, 5vw, 64px);
  border-bottom: 1px solid var(--line);
}

.footer__logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 20px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.footer__logo img { height: 34px; width: auto; }
.footer__slogan { font-size: 17px; font-weight: 600; letter-spacing: 0.04em; margin-bottom: 12px; }
.footer__desc { font-size: 14px; line-height: 1.8; color: var(--muted); max-width: 30em; }

.footer__col h4 { font-size: 14px; font-weight: 600; margin-bottom: 18px; letter-spacing: 0.04em; }
.footer__col a, .footer__col p { display: block; font-size: 14px; color: var(--muted); line-height: 2; transition: color 0.3s ease; }
.footer__col a:hover { color: var(--accent); }

.footer__bottom {
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--muted);
}

.footer__beian { transition: color 0.3s ease; }
.footer__beian:hover { color: var(--accent); }

.to-top {
  position: fixed;
  right: clamp(18px, 3vw, 34px);
  bottom: clamp(18px, 3vw, 34px);
  z-index: 90;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: none;
  background: var(--ink);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: all 0.45s var(--ease);
  box-shadow: var(--shadow-card);
}

.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--accent); transform: translateY(-3px); }
.to-top svg { width: 20px; height: 20px; fill: none; stroke: #fff; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10, 10, 12, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(20px, 5vw, 60px);
  animation: fadeIn 0.35s ease both;
}

.lightbox[hidden] { display: none; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.lightbox__figure {
  max-width: min(1100px, 100%);
  width: 100%;
  max-height: 100%;
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: clamp(18px, 2.5vw, 28px);
}

.lightbox__stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  min-width: 0;
  flex: 1 1 auto;
}

.lightbox__figure img {
  max-width: 100%;
  max-height: 72vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  background: #fff;
  padding: 20px;
  animation: zoomIn 0.5s var(--ease) both;
}

.lightbox__thumbs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 100%;
}

.lightbox__thumbs[hidden] { display: none; }

.lightbox__thumbs button {
  width: 52px;
  height: 52px;
  border-radius: 8px;
  overflow: hidden;
  border: 2px solid transparent;
  padding: 0;
  cursor: pointer;
  background: #fff;
  opacity: 0.65;
  transition: all 0.25s var(--ease);
}

.lightbox__thumbs button.is-active { border-color: var(--accent); opacity: 1; }
.lightbox__thumbs button:hover { opacity: 1; }
.lightbox__thumbs img { width: 100%; height: 100%; object-fit: cover; display: block; }

.lightbox__panel {
  flex: 0 0 330px;
  align-self: center;
  max-height: 82vh;
  overflow-y: auto;
  background: rgba(255, 255, 255, 0.97);
  border-radius: var(--radius-md);
  padding: 28px 26px;
  color: var(--ink);
  animation: zoomIn 0.5s var(--ease) both;
}

.lightbox__panel--empty { display: none; }

.lightbox__panel .lb-eyebrow { font-size: 12px; letter-spacing: 0.1em; color: var(--muted); text-transform: uppercase; margin-bottom: 10px; }
.lightbox__panel .lb-name { font-size: 21px; font-weight: 700; line-height: 1.4; margin-bottom: 6px; }
.lightbox__panel .lb-sku { display: inline-block; font-size: 13px; color: var(--muted); background: var(--bg); padding: 3px 10px; border-radius: 99px; margin-bottom: 14px; }
.lightbox__panel .lb-summary { font-size: 14px; line-height: 1.8; color: var(--ink); margin-bottom: 14px; }
.lightbox__panel .lb-divider { height: 1px; background: var(--line); margin: 16px 0; border: none; }
.lightbox__panel .lb-desc-title { font-size: 13px; font-weight: 600; letter-spacing: 0.06em; color: var(--muted); margin-bottom: 8px; }
.lightbox__panel .lb-desc { font-size: 13.5px; line-height: 1.9; color: var(--ink); white-space: pre-wrap; word-break: break-word; }
.lightbox__panel .lb-cta { margin-top: 20px; display: flex; gap: 10px; }
.lightbox__panel .lb-loading { font-size: 13px; color: var(--muted); }

@keyframes zoomIn { from { opacity: 0; transform: scale(0.94); } to { opacity: 1; transform: none; } }

.lightbox__figure figcaption { font-size: 14px; color: rgba(255, 255, 255, 0.72); letter-spacing: 0.06em; }

.lightbox__close, .lightbox__nav {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.06);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.35s var(--ease);
}

.lightbox__close { top: 28px; right: 28px; width: 46px; height: 46px; }
.lightbox__nav { top: 50%; transform: translateY(-50%); width: 54px; height: 54px; }
.lightbox__nav--prev { left: clamp(14px, 3vw, 36px); }
.lightbox__nav--next { right: clamp(14px, 3vw, 36px); }

.lightbox__close svg, .lightbox__nav svg { width: 20px; height: 20px; fill: none; stroke: #fff; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

.lightbox__close:hover, .lightbox__nav:hover { background: #fff; border-color: #fff; }
.lightbox__close:hover svg, .lightbox__nav:hover svg { stroke: var(--ink); }

@media (max-width: 1024px) {
  .about__grid { grid-template-columns: 1fr; gap: 44px; }
  .about__media img { height: clamp(300px, 52vw, 460px); }
  .contact__grid { grid-template-columns: 1fr; gap: 44px; }
  .caps { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 28px; }
}

@media (max-width: 860px) {
  .nav__menu {
    position: fixed;
    inset: 0;
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    gap: 6px;
    padding: 0 32px;
    background: rgba(12, 12, 14, 0.96);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity 0.4s var(--ease), visibility 0.4s, transform 0.4s var(--ease);
  }

  .nav.is-open .nav__menu { opacity: 1; visibility: visible; transform: none; }

  .nav__link,
  .nav.is-scrolled .nav__link {
    font-size: 26px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.72);
    padding: 14px 0;
    border-radius: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .nav__link:hover,
  .nav.is-scrolled .nav__link:hover,
  .nav__link.is-active,
  .nav.is-scrolled .nav__link.is-active { color: #fff; background: transparent; }

  .nav__link--mobile { display: block; border-bottom: none; color: #6cb2ff !important; font-size: 16px !important; margin-top: 22px; }

  .nav__tel { display: none; }
  .nav__toggle { display: block; z-index: 5; }
  .brand { z-index: 5; }
  .nav.is-open .brand__name strong { color: #fff; }
  .nav.is-open .brand__name em { color: rgba(255, 255, 255, 0.6); }
  .nav.is-open .brand__logo { filter: brightness(0) invert(1); }
  .nav.is-open .nav__toggle span { background: #fff; }

  .hero { height: auto; min-height: 0; aspect-ratio: 16 / 9; }
  .hero__badge { top: clamp(120px, 18vh, 140px); font-size: clamp(16px, 3.5vw, 24px); }
  .hero__arrow { display: none; }
  .hero__scroll { display: none; }
  .hero__content { padding-top: 20px; justify-content: flex-end; padding-bottom: 50px; }
  .hero__dots { bottom: 16px; }

  .factory__gallery { grid-template-columns: 1fr; grid-template-rows: none; height: auto; }
  .factory__item { aspect-ratio: 16 / 10; }
  .factory__item--wide { grid-row: auto; }

  .contact__item { grid-template-columns: 1fr; gap: 8px; }

  .grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
  .pcard__body { padding: 12px 14px 14px; }
  .pcard__media { padding: 10px; }
}

@media (max-width: 620px) {
  .hero { aspect-ratio: 4 / 3; }
  .hero__badge { top: 200px; font-size: clamp(15px, 4vw, 20px); white-space: normal; max-width: 90%; }
  .hero__title { font-size: clamp(20px, 5vw, 28px); }
  .hero__desc { display: none; }
  .hero__cta { margin-top: 16px; }
  .caps { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 34px; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .brand__name { display: none; }
  .lightbox__nav { width: 44px; height: 44px; }
  .lightbox__close { top: 16px; right: 16px; }
  .lightbox__figure img { padding: 12px; max-height: 68vh; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
  .reveal { opacity: 1; transform: none; }
}
.inquiry { margin-top: 72px; }

.inquiry__card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 44px);
  box-shadow: var(--shadow);
}

.inquiry__head { margin-bottom: 28px; }
.inquiry__title { font-size: clamp(22px, 3vw, 28px); font-weight: 700; margin-bottom: 10px; }
.inquiry__desc { font-size: 15px; color: var(--muted); }

.inquiry__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 18px; }
.inquiry__field { display: flex; flex-direction: column; gap: 7px; }
.inquiry__field--full { grid-column: 1 / -1; }
.inquiry__field label { font-size: 13.5px; font-weight: 500; color: var(--ink); }
.inquiry__field input,
.inquiry__field textarea {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 14.5px;
  font-family: inherit;
  color: var(--ink);
  background: #fff;
  outline: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  width: 100%;
}
.inquiry__field textarea { resize: vertical; line-height: 1.7; min-height: 96px; }
.inquiry__field input:focus,
.inquiry__field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.inquiry__product {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  background: var(--primary-soft, #eff6ff);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13.5px;
  color: var(--muted);
}

.inquiry__product[hidden] { display: none; }
.inquiry__product strong { color: var(--accent); }
.inquiry__product button {
  margin-left: auto;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: none;
  background: rgba(15, 23, 42, 0.08);
  color: var(--muted);
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease;
}
.inquiry__product button:hover { background: rgba(15, 23, 42, 0.18); }

.inquiry__foot { display: flex; align-items: center; gap: 16px; margin-top: 22px; flex-wrap: wrap; }
.inquiry__msg { font-size: 13.5px; flex: 1 1 auto; min-height: 20px; }
.inquiry__msg.is-ok { color: var(--success, #16a34a); }
.inquiry__msg.is-err { color: var(--danger, #dc2626); }

@media (max-width: 620px) {
  .inquiry__grid { grid-template-columns: 1fr; }
  .inquiry { margin-top: 48px; }
}

@media (max-width: 1024px) {
  .lightbox__figure { flex-direction: column; align-items: center; }
  .lightbox__panel { flex: none; width: 100%; max-height: 42vh; padding: 22px 20px; }
  .lightbox__figure img { max-height: 44vh; }
}
.pagination { display: flex; justify-content: center; align-items: center; gap: 6px; margin-top: 36px; flex-wrap: wrap; }
.pagination__page, .pagination__arrow {
  min-width: 38px; height: 38px; border: 1px solid rgba(0,0,0,0.12); background: #fff;
  border-radius: 8px; font-size: 14px; font-weight: 500; color: var(--ink, #1a1a2e);
  cursor: pointer; transition: all 0.2s; display: inline-flex; align-items: center; justify-content: center;
}
.pagination__page:hover, .pagination__arrow:hover:not(:disabled) {
  border-color: var(--accent, #2563eb); color: var(--accent, #2563eb);
}
.pagination__page.is-active {
  background: var(--accent, #2563eb); border-color: var(--accent, #2563eb); color: #fff;
}
.pagination__arrow:disabled { opacity: 0.35; cursor: default; }
.pagination__arrow { font-size: 18px; }