:root {
  --ink: #221309;
  --ink-soft: #3a2414;
  --navy: #150c06;
  --accent: #f08200;
  --accent-dark: #cf6d00;
  --gold: #ffb62e;
  --paper: #faf6ef;
  --surface: #ffffff;
  --line: #e7e2d8;
  --text: #24313d;
  --muted: #64717e;
  --serif: "Source Han Sans SC", "Noto Sans SC", "思源黑体", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --sans: "Source Han Sans SC", "Noto Sans SC", "思源黑体", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --shadow-sm: 0 2px 10px rgba(15, 33, 56, 0.06);
  --shadow-md: 0 12px 34px rgba(15, 33, 56, 0.12);
  --radius: 14px;
  --maxw: 1180px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background: var(--surface);
  line-height: 1.7;
  font-size: 16px;
}

img,
svg {
  display: block;
  max-width: 100%;
}

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--serif);
  color: var(--ink);
  line-height: 1.25;
  margin: 0 0 0.5em;
  font-weight: 700;
}

p {
  margin: 0 0 1em;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 76px 0;
}

.section--paper {
  background: var(--paper);
}

.section--ink {
  background: var(--ink);
  color: #d7e0ea;
}

.section--ink h2,
.section--ink h3 {
  color: #ffffff;
}

.eyebrow {
  display: inline-block;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 14px;
}

.section-head {
  max-width: 720px;
  margin-bottom: 44px;
}

.section-head--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head h2 {
  font-size: clamp(26px, 4vw, 38px);
  margin-bottom: 0.4em;
}

.lead {
  font-size: 17px;
  color: var(--muted);
}

.story-body {
  font-size: 19px;
  line-height: 1.8;
}

.msyh {
  font-family: "Source Han Sans SC", "Noto Sans SC", "思源黑体", "PingFang SC", "Microsoft YaHei", sans-serif;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
  white-space: nowrap;
}

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

.btn-primary {
  background: var(--accent);
  color: #fff;
}

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

.btn-light {
  background: #fff;
  color: var(--ink);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.55);
}

.btn-outline:hover {
  background: #fff;
  color: var(--ink);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.btn-ghost:hover {
  border-color: var(--ink);
}

/* Top bar */
.topbar {
  background: var(--navy);
  color: #c7d2de;
  font-size: 13px;
  padding: 8px 0;
}

.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.topbar a {
  color: #c7d2de;
}

.topbar a:hover {
  color: #fff;
}

.topbar__meta {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.topbar__meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.topbar__actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.lang-switch button {
  background: transparent;
  border: 0;
  color: #9fb0c2;
  font-family: var(--sans);
  font-size: 13px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 6px;
  font-weight: 600;
}

.lang-switch button.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.topbar__login {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 12px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: #dfe7f0;
  white-space: nowrap;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}

.topbar__login:hover {
  border-color: var(--accent);
  color: #fff;
  background: rgba(240, 130, 0, 0.16);
}

/* Header / nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand__mark {
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  object-fit: contain;
  border-radius: 9px;
}

.brand__text {
  line-height: 1.1;
}

.brand__name {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 19px;
  color: var(--ink);
  letter-spacing: 0.01em;
}

.brand__sub {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.main-nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.main-nav__links > a {
  font-weight: 500;
  font-size: 15px;
  color: var(--text);
  position: relative;
  padding: 4px 0;
}

.main-nav__links > a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.2s ease;
}

.main-nav__links > a:hover::after,
.main-nav__links > a.active::after {
  width: 100%;
}

.main-nav__links > a.active {
  color: var(--accent);
}

.main-nav__cta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  cursor: pointer;
  width: 32px;
  height: 32px;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
  border-radius: 2px;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: #e8eef5;
  min-height: 560px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 28%, rgba(240, 130, 0, 0.46), transparent 42%),
    radial-gradient(circle at 82% 22%, rgba(255, 150, 20, 0.38), transparent 40%),
    radial-gradient(circle at 78% 78%, rgba(224, 84, 20, 0.34), transparent 44%),
    radial-gradient(circle at 20% 82%, rgba(255, 255, 255, 0.06), transparent 50%);
}

.hero__video-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.hero__video-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(21, 12, 6, 0.82) 0%,
    rgba(21, 12, 6, 0.62) 46%,
    rgba(21, 12, 6, 0.32) 100%
  );
}

.hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.2s ease;
}

.hero__video.is-active {
  opacity: 1;
}

.hero .container {
  position: relative;
  z-index: 1;
  padding-top: 110px;
  padding-bottom: 110px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #ffd9a0;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  padding: 7px 14px;
  margin-bottom: 22px;
}

.hero__badge::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
}

.hero h1 {
  color: #fff;
  font-size: clamp(26px, 3.9vw, 44px);
  line-height: 1.12;
  margin-bottom: 0.5em;
}

.hero__line {
  display: block;
}

.hero__line + .hero__line {
  margin-top: 0.4em;
}

.hero__line--accent {
  color: #ffd9a0;
}

.hero__line-accent {
  color: var(--accent);
}

.hero p {
  font-size: 18px;
  color: #c6d3e0;
  max-width: 560px;
  margin-bottom: 30px;
}

.hero__cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
}

.hero__actions {
  justify-content: flex-start;
}

.hero--solo .container {
  display: block;
  max-width: var(--maxw);
  padding-top: 168px;
  padding-bottom: 168px;
}

.hero--solo h1 {
  font-size: clamp(26px, 3.5vw, 42px);
  font-family: var(--sans);
  font-weight: 700;
}

.hero__sub {
  font-size: 18px;
  color: #c6d3e0;
  max-width: 680px;
  margin: 0 0 28px;
}

.hero__sub-accent {
  color: var(--accent);
  font-weight: 600;
}

.hero__phone {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 21px;
  font-weight: 600;
  margin-bottom: 0;
}

.hero__phone svg {
  width: 21px;
  height: 21px;
  color: var(--gold);
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}

.hero__trust-pill {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 8px 15px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.hero__panel {
  position: relative;
}

.hero__card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 18px;
  padding: 28px;
  backdrop-filter: blur(8px);
}

.hero__card h3 {
  color: #fff;
  font-family: var(--sans);
  font-size: 15px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
  color: #ffd9a0;
}

.hero__chip {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.hero__chip:last-child {
  border-bottom: 0;
}

.hero__chip svg {
  width: 26px;
  height: 26px;
  flex: 0 0 auto;
  color: #ffd9a0;
}

.hero__chip span {
  font-size: 15px;
  font-weight: 500;
}

/* Stats */
.stats {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.stats .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 40px 24px;
}

.stat {
  text-align: center;
}

.stat__num {
  font-family: var(--serif);
  font-size: 40px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat__label {
  margin-top: 8px;
  font-size: 14px;
  color: var(--muted);
}

/* Cards */
.grid {
  display: grid;
  gap: 24px;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card__icon {
  width: 48px;
  height: 48px;
  color: var(--accent);
  margin-bottom: 18px;
}

.card h3 {
  font-family: var(--sans);
  font-size: 19px;
  margin-bottom: 0.5em;
}

.card p {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 0;
}

/* Product cards */
.product-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.product-card__media {
  height: 190px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: var(--ink);
  position: relative;
  overflow: hidden;
}

.product-card__media svg {
  width: 78px;
  height: 78px;
  position: relative;
  z-index: 1;
}

.product-card__media::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(240, 130, 0, 0.42), transparent 55%),
    radial-gradient(circle at 75% 75%, rgba(255, 156, 24, 0.34), transparent 55%);
}

.product-card__body {
  padding: 24px;
}

.product-card__body h3 {
  font-family: var(--sans);
  font-size: 19px;
}

.product-card__body p {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 16px;
}

.product-card__link {
  font-weight: 600;
  color: var(--accent);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.product-card__link:hover {
  color: var(--accent-dark);
}

/* Feature list */
.feature {
  display: flex;
  gap: 16px;
}

.feature__num {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  flex: 0 0 auto;
  margin-top: 2px;
}

.feature h3 {
  font-family: var(--sans);
  font-size: 18px;
  margin-bottom: 0.35em;
}

.feature p {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 0;
}

/* Split / about */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.split--top {
  align-items: start;
}

.split__title {
  font-size: clamp(20px, 2.2vw, 24px);
}

.cap-title {
  font-size: clamp(28px, 3vw, 38px);
}

.split__media {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink);
  position: relative;
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.split__media svg {
  width: 110px;
  height: 110px;
}

.split__media::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(240, 130, 0, 0.42), transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(224, 84, 20, 0.34), transparent 50%),
    radial-gradient(circle at 70% 25%, rgba(255, 156, 24, 0.32), transparent 45%);
}

.split__media > * {
  position: relative;
  z-index: 1;
}

.video-player {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink);
  aspect-ratio: 16 / 9;
}

.video-player__media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.equip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.equip-video {
  max-width: 980px;
  margin: 40px auto 0;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink);
  box-shadow: var(--shadow-md);
}

.equip-video__media {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.equip-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.equip-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.equip-card__media {
  border-radius: calc(var(--radius) - 4px);
  overflow: hidden;
  background: var(--ink);
  position: relative;
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin-bottom: 16px;
}

.equip-card__media::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(240, 130, 0, 0.42), transparent 52%),
    radial-gradient(circle at 80% 80%, rgba(224, 84, 20, 0.34), transparent 52%),
    radial-gradient(circle at 70% 25%, rgba(255, 156, 24, 0.32), transparent 45%);
}

.equip-card__media svg {
  width: 62px;
  height: 62px;
  position: relative;
  z-index: 1;
}

.equip-card h3 {
  font-family: var(--sans);
  font-size: 16px;
  margin: 0;
  text-align: center;
}

.checklist {
  margin-top: 22px;
  display: grid;
  gap: 12px;
}

.checklist--2col {
  grid-template-columns: 1fr 1fr;
}

.checklist li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 15px;
}

.checklist li svg {
  width: 20px;
  height: 20px;
  color: var(--accent);
  flex: 0 0 auto;
  margin-top: 3px;
}

/* CTA band */
.cta-band {
  background: linear-gradient(120deg, var(--ink), var(--ink-soft));
  color: #fff;
  text-align: center;
  padding: 70px 0;
}

.cta-band h2 {
  color: #fff;
  font-size: clamp(26px, 4vw, 36px);
}

.cta-band p {
  color: #c6d3e0;
  max-width: 620px;
  margin: 0 auto 28px;
}

.cta-contact {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
  max-width: 980px;
  margin: 44px auto 0;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  text-align: left;
}

.cta-contact__item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.cta-contact__item svg {
  width: 22px;
  height: 22px;
  color: var(--gold);
  flex: 0 0 auto;
  margin-top: 3px;
}

.cta-contact__item h4 {
  font-family: var(--sans);
  font-size: 14px;
  margin: 0 0 3px;
  color: #fff;
}

.cta-contact__item p {
  margin: 0;
  font-size: 13.5px;
  color: #c6d3e0;
  overflow-wrap: anywhere;
}

/* Footer */
.site-footer {
  background: var(--navy);
  color: #aebdcc;
  padding: 64px 0 0;
}

.site-footer .container {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}

.site-footer h4 {
  color: #fff;
  font-family: var(--sans);
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.site-footer a {
  color: #aebdcc;
}

.site-footer a:hover {
  color: #fff;
}

.site-footer ul li {
  margin-bottom: 10px;
  font-size: 14px;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.footer__brand .brand__name {
  color: #fff;
}

.footer__logo {
  width: 46px;
  height: 46px;
  object-fit: contain;
  border-radius: 9px;
}

.footer__desc {
  font-size: 14px;
  max-width: 300px;
  white-space: pre-line;
}

.site-footer .footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  font-size: 13px;
  display: flex;
  justify-content: center;
  text-align: center;
  gap: 12px;
  flex-wrap: wrap;
}

.site-footer .footer__bottom > span {
  display: block;
  width: 100%;
  text-align: center;
}

/* Page hero (subpages) */
.page-hero {
  background: var(--ink);
  color: #fff;
  padding: 168px 0;
  position: relative;
  overflow: hidden;
  min-height: 560px;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 30%, rgba(240, 130, 0, 0.38), transparent 48%),
    radial-gradient(circle at 80% 60%, rgba(255, 156, 24, 0.28), transparent 48%);
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  color: #fff;
  font-size: clamp(30px, 4.6vw, 46px);
  margin-bottom: 0.25em;
}

.page-hero p {
  color: #c6d3e0;
  max-width: 680px;
  font-size: 17px;
}

.page-hero .hero-lead {
  font-size: 22px;
  line-height: 1.75;
  color: #ffffff;
}

.page-hero .lead-accent {
  color: var(--accent);
}

/* Values */
.value {
  text-align: center;
  padding: 32px 22px;
}

.value__icon {
  width: 54px;
  height: 54px;
  margin: 0 auto 18px;
  color: var(--accent);
}

.value h3 {
  font-family: var(--sans);
  font-size: 18px;
}

.value p {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
}

/* Process */
.process {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
}

.process__step {
  text-align: center;
}

.process__num {
  width: 52px;
  height: 52px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
}

.process__step h3 {
  font-family: var(--sans);
  font-size: 15px;
  margin-bottom: 0.2em;
}

.process__step p {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}

/* Product detail */
.product-detail {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 44px;
  align-items: start;
  padding: 44px 0;
  border-bottom: 1px solid var(--line);
}

.product-detail:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.product-detail__media {
  border-radius: var(--radius);
  background: var(--ink);
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  position: sticky;
  top: 96px;
  overflow: hidden;
}

.product-detail__media svg {
  width: 92px;
  height: 92px;
}

.product-detail__media::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 28% 30%, rgba(240, 130, 0, 0.42), transparent 52%),
    radial-gradient(circle at 78% 75%, rgba(224, 84, 20, 0.32), transparent 52%);
}

.product-detail__media.carousel {
  display: block;
  height: 360px;
  background: var(--ink);
}

.product-detail__media.carousel::before {
  display: none;
}

.carousel__track {
  display: flex;
  height: 100%;
  transition: transform 0.4s ease;
}

.carousel__slide {
  flex: 0 0 100%;
  min-width: 0;
}

.carousel__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.carousel__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 0;
  background: rgba(255, 255, 255, 0.88);
  color: var(--ink);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.carousel__btn--prev {
  left: 10px;
}

.carousel__btn--next {
  right: 10px;
}

.carousel__dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 10px;
  display: flex;
  justify-content: center;
  gap: 7px;
  z-index: 2;
}

.carousel__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 0;
  padding: 0;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
}

.carousel__dot.is-active {
  background: #fff;
}

.product-card__media.carousel {
  display: block;
}

.product-card__media.carousel::before {
  display: none;
}

.product-card__media.carousel .carousel__btn {
  width: 28px;
  height: 28px;
  font-size: 16px;
}

.product-card__media.carousel .carousel__dots {
  bottom: 8px;
}

.factory-carousel {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--ink);
  height: 460px;
  margin-top: 0;
}

.card-list {
  display: grid;
  gap: 8px;
  margin: 0 0 16px;
}

.card-list li {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  font-size: 14px;
  color: var(--muted);
}

.card-list li svg {
  width: 16px;
  height: 16px;
  color: var(--accent);
  flex: 0 0 auto;
  margin-top: 3px;
}

.product-detail__body h2 {
  font-size: 27px;
}

.product-detail__body .lead {
  margin-bottom: 20px;
}

.spec-list {
  display: grid;
  gap: 10px;
  margin: 18px 0;
}

.spec-list li {
  display: flex;
  gap: 10px;
  font-size: 15px;
}

.spec-list li svg {
  width: 19px;
  height: 19px;
  color: var(--accent);
  flex: 0 0 auto;
  margin-top: 3px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.pill {
  font-size: 12.5px;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--text);
}

/* Category nav */
.cat-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 28px;
}

.cat-nav a {
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  font-size: 14px;
  font-weight: 600;
  transition: all 0.18s ease;
}

.cat-nav a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 32px;
  align-items: start;
}

.contact-info {
  display: grid;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 6px 24px;
  overflow: hidden;
}

.contact-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 20px 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
}

.contact-item:last-child {
  border-bottom: 0;
}

.contact-item svg {
  width: 24px;
  height: 24px;
  color: var(--accent);
  flex: 0 0 auto;
  margin-top: 2px;
}

.contact-item h3 {
  font-family: var(--sans);
  font-size: 15px;
  margin-bottom: 3px;
}

.contact-item p {
  margin: 0;
  color: var(--muted);
  font-size: 13.5px;
  overflow-wrap: anywhere;
}

.contact-board {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 28px;
  align-items: start;
}

.contact-board .guest-panel {
  order: 1;
}

.contact-board .form-card {
  order: 2;
}

.guest-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.guest-panel__head h3 {
  font-family: var(--sans);
  font-size: 19px;
  margin: 0 0 3px;
  color: var(--ink);
}

.guest-panel__head p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

.guest-write {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.guest-write .field {
  margin-bottom: 12px;
}

.guest-write textarea {
  min-height: 76px;
}

.contact-board #contact-form > .btn-primary,
.guest-write .btn-primary {
  display: block;
  width: fit-content;
  min-width: 200px;
  margin: 0 auto;
}

.form-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.form-card__title {
  font-family: var(--sans);
  font-size: 24px;
  color: var(--ink);
  margin: 0 0 22px;
}

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

.field {
  margin-bottom: 18px;
}

.field label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 7px;
  color: var(--ink);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  font-family: var(--sans);
  font-size: 15px;
  color: var(--text);
  background: #fff;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(212, 65, 46, 0.12);
}

.field textarea {
  resize: vertical;
  min-height: 120px;
}

.check-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
  margin-bottom: 18px;
}

.check-label input {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  margin: 0;
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.guestbook__items {
  max-height: 320px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-right: 4px;
}

.guestbook__item {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  background: var(--surface);
}

.guestbook__item-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 6px;
}

.guestbook__item-head strong {
  color: var(--ink);
  font-size: 14px;
}

.guestbook__item-head span {
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.guestbook__item p {
  margin: 0;
  font-size: 14px;
  color: var(--text);
  overflow-wrap: anywhere;
}

.guestbook__empty {
  color: var(--muted);
  text-align: center;
  padding: 30px 10px;
  margin: 0;
}

.faq {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 22px 24px;
  margin-bottom: 14px;
  background: var(--surface);
}

.faq-item h3 {
  font-family: var(--sans);
  font-size: 17px;
  margin-bottom: 0.4em;
}

.faq-item p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

/* Certifications */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 24px;
}

.cert-card {
  text-align: center;
  padding: 36px 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.cert-seal {
  width: 118px;
  height: 118px;
  margin: 0 auto 20px;
}

.cert-card h3 {
  font-family: var(--sans);
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--ink);
  margin-bottom: 6px;
}

.cert-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* Capability process list */
.process-list {
  border-top: 1px solid var(--line);
}

.process-row {
  display: grid;
  grid-template-columns: 104px 1fr;
  gap: 28px;
  padding: 42px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

.process-row__num {
  font-family: var(--serif);
  font-size: 46px;
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
}

.process-row__body h3 {
  font-family: var(--sans);
  font-size: 24px;
  margin-bottom: 14px;
}

.process-row__list {
  display: grid;
  gap: 12px;
}

.process-row__list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 16px;
  color: var(--text);
  max-width: 780px;
}

.process-row__list li::before {
  content: "→";
  color: var(--accent);
  flex: 0 0 auto;
  line-height: 1.6;
}

.process-row__item {
  display: grid;
  gap: 6px;
  flex: 1;
  min-width: 0;
}

.process-row__item strong {
  font-weight: 600;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.5;
}

.process-row__item span {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.nowrap-desktop {
  white-space: nowrap;
}

body[data-page="capabilities"] .nowrap-desktop {
  white-space: normal;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Responsive */
@media (max-width: 960px) {
  .hero .container {
    grid-template-columns: 1fr;
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .hero {
    min-height: 0;
  }

  .page-hero {
    padding: 72px 0;
    min-height: 0;
  }

  .stats .container {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3,
  .grid-4,
  .equip-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .split,
  .contact-grid,
  .contact-board,
  .product-detail {
    grid-template-columns: 1fr;
  }

  .process {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 32px;
  }

  .site-footer .container {
    grid-template-columns: 1fr 1fr;
  }

  .main-nav__links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 18px 24px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
  }

  .main-nav__links.open {
    display: flex;
  }

  .main-nav__links > a {
    padding: 12px 0;
    font-size: 16px;
  }

  .main-nav__cta {
    flex-direction: column;
    width: 100%;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--line);
  }

  .main-nav__cta .btn {
    width: 100%;
    justify-content: center;
  }

  .nav-toggle {
    display: block;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 54px 0;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .equip-grid,
  .form-row,
  .process,
  .checklist--2col,
  .cert-grid {
    grid-template-columns: 1fr;
  }

  .process-row {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 30px 0;
  }

  .process-row__num {
    font-size: 36px;
  }

  .process-row__body h3 {
    font-size: 20px;
  }

  .nowrap-desktop {
    white-space: normal;
  }

  .factory-carousel {
    height: 280px;
  }

  .stats .container {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }

  .contact-strip {
    padding: 18px 0;
    gap: 8px;
  }

  .contact-strip__item {
    flex-direction: column;
    gap: 3px;
  }

  .contact-strip__item svg {
    width: 18px;
    height: 18px;
    margin-top: 0;
  }

  .contact-strip__item h4 {
    font-size: 11px;
    margin-bottom: 1px;
  }

  .contact-strip__item p {
    font-size: 11px;
    line-height: 1.4;
  }

  .cta-contact {
    gap: 8px;
    margin-top: 30px;
    padding-top: 20px;
  }

  .cta-contact__item {
    flex-direction: column;
    gap: 3px;
  }

  .cta-contact__item svg {
    width: 18px;
    height: 18px;
    margin-top: 0;
  }

  .cta-contact__item h4 {
    font-size: 11px;
    margin-bottom: 1px;
  }

  .cta-contact__item p {
    font-size: 11px;
    line-height: 1.4;
  }

  .stat__num {
    font-size: 32px;
  }

  .site-footer .container {
    grid-template-columns: 1fr;
  }

  .topbar .container {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .hero__cta {
    flex-direction: column;
    align-items: flex-start;
  }

  .process {
    gap: 24px;
  }
}