:root {
  --surface: #ffffff;
  --surface-soft: #f7f7f8;
  --ink: #101114;
  --muted: #5b616e;
  --line: #d8dbe2;
  --accent: #002fa7;
  --accent-dark: #001d69;
  --max: 1180px;
  --font: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: var(--font);
  line-height: 1.5;
}

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

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

.language-gate {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background:
    linear-gradient(90deg, transparent calc(25% - 1px), var(--line) 25%, transparent calc(25% + 1px)),
    linear-gradient(90deg, transparent calc(50% - 1px), var(--line) 50%, transparent calc(50% + 1px)),
    linear-gradient(90deg, transparent calc(75% - 1px), var(--line) 75%, transparent calc(75% + 1px)),
    var(--surface);
}

.gate-panel {
  width: min(680px, calc(100% - 32px));
  padding: 44px;
  border: 1px solid var(--ink);
  background: var(--surface);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(240px, 1fr) auto auto;
  align-items: center;
  gap: 24px;
  padding: 18px max(22px, calc((100vw - var(--max)) / 2));
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand,
.nav-links,
.hero-actions {
  display: flex;
  align-items: center;
}

.brand {
  min-width: 0;
  gap: 10px;
  font-weight: 800;
}

.brand span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand-mark {
  display: inline-grid;
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  place-items: center;
  background: var(--accent);
  color: var(--surface);
  font-size: 13px;
  letter-spacing: 0;
}

.nav-links {
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a:hover,
.header-cta:hover,
.site-footer a:hover {
  color: var(--accent);
}

.header-cta {
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
  border-bottom: 2px solid var(--accent);
}

.hero {
  position: relative;
  min-height: min(760px, calc(100vh - 72px));
  display: grid;
  align-items: end;
  padding: 88px max(22px, calc((100vw - var(--max)) / 2)) 34px;
  background:
    linear-gradient(90deg, #ffffff 0%, rgba(255, 255, 255, 0.96) 36%, rgba(255, 255, 255, 0.76) 62%, rgba(255, 255, 255, 0.24) 100%),
    linear-gradient(90deg, transparent calc(25% - 1px), rgba(216, 219, 226, 0.8) 25%, transparent calc(25% + 1px)),
    linear-gradient(90deg, transparent calc(50% - 1px), rgba(216, 219, 226, 0.8) 50%, transparent calc(50% + 1px)),
    linear-gradient(90deg, transparent calc(75% - 1px), rgba(216, 219, 226, 0.8) 75%, transparent calc(75% + 1px)),
    url("./assets/warehouse-hero.png") center right / cover no-repeat;
  border-bottom: 1px solid var(--line);
}

.hero-copy {
  max-width: 820px;
}

.hero-panel {
  align-self: center;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(48px, 7.8vw, 106px);
  line-height: 0.93;
  font-weight: 800;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 660px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 23px);
}

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

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: 1px solid var(--ink);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--surface);
}

.button.primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

.button.secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.hero-proof {
  align-self: end;
  display: grid;
  grid-template-columns: repeat(3, max-content);
  gap: 1px;
  width: fit-content;
  max-width: 100%;
  margin-top: 54px;
  border: 1px solid var(--line);
  background: var(--line);
}

.hero-proof span {
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.9);
  font-weight: 800;
}

.band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface-soft);
}

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

.proof-item {
  min-height: 168px;
  padding: 24px;
  border-right: 1px solid var(--line);
}

.proof-item:last-child {
  border-right: 0;
}

.proof-item span,
.capability-grid span,
.timeline span {
  display: block;
  color: var(--accent);
  font-weight: 800;
  line-height: 1;
}

.proof-item span {
  margin-bottom: 22px;
  font-size: 40px;
}

.proof-item p {
  max-width: 360px;
  margin-bottom: 0;
  color: var(--ink);
  font-size: 17px;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 78px 22px;
}

.section-heading {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 28px;
  margin-bottom: 34px;
  border-top: 1px solid var(--ink);
  padding-top: 18px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(34px, 5.4vw, 68px);
  line-height: 0.98;
  letter-spacing: 0;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.service-card {
  min-height: 390px;
  padding: 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.service-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  margin-bottom: 18px;
  object-fit: cover;
  filter: saturate(0.92);
}

.service-card h3 {
  margin-bottom: 18px;
  font-size: 24px;
  line-height: 1.1;
}

.service-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.capability-section {
  border-top: 1px solid var(--line);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--line);
}

.capability-grid article {
  min-height: 270px;
  padding: 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.capability-grid span {
  margin-bottom: 42px;
  font-size: 28px;
}

.capability-grid h3 {
  margin-bottom: 14px;
  font-size: 23px;
  line-height: 1.08;
}

.capability-grid p {
  margin-bottom: 0;
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 48px;
}

.split .section-heading {
  display: block;
  margin-bottom: 0;
}

.detail-panel {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.detail-panel > p,
.about-grid > p {
  color: var(--muted);
  font-size: 20px;
}

.fact-list {
  margin: 28px 0 0;
  border-top: 1px solid var(--ink);
}

.fact-list div {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.fact-list dt {
  font-weight: 800;
}

.fact-list dd {
  margin: 0;
  color: var(--muted);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(320px, 1.18fr);
  gap: 52px;
}

.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink);
}

.check-list li {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  font-size: 18px;
  font-weight: 700;
}

.timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.timeline li {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.timeline span {
  font-size: 28px;
}

.timeline h3 {
  margin-bottom: 8px;
  font-size: 23px;
}

.timeline p {
  max-width: 620px;
  margin-bottom: 0;
  color: var(--muted);
}

.contact-band {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(360px, 1.15fr);
  gap: 48px;
  padding: 72px max(22px, calc((100vw - var(--max)) / 2));
  background: var(--accent);
  color: var(--surface);
}

.contact-copy h2 {
  margin-bottom: 22px;
  font-size: clamp(40px, 5.8vw, 82px);
  line-height: 0.96;
}

.contact-copy p {
  max-width: 540px;
  font-size: 19px;
}

.contact-band .eyebrow,
.contact-copy p {
  color: var(--surface);
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-self: start;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.58);
}

.contact-form label {
  display: grid;
  gap: 7px;
  font-weight: 800;
}

.contact-form label:nth-last-of-type(1) {
  grid-column: 1 / -1;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--surface);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  padding: 12px;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form .button.primary {
  grid-column: 1 / -1;
  background: var(--surface);
  border-color: var(--surface);
  color: var(--accent);
}

.form-note {
  grid-column: 1 / -1;
  min-height: 24px;
  margin: 0;
  font-size: 14px;
}

.quick-contact {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  background: var(--accent);
  color: var(--surface);
  border: 1px solid var(--accent);
  font-weight: 800;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  padding: 22px max(22px, calc((100vw - var(--max)) / 2));
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.site-footer p {
  margin: 0;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 18px;
}

.legal-main {
  max-width: 860px;
  margin: 0 auto;
  padding: 74px 22px;
}

.legal-main h1 {
  font-size: clamp(42px, 7vw, 78px);
}

.legal-main h2 {
  margin-top: 34px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
  font-size: 26px;
}

.legal-main p,
.legal-main li {
  color: var(--muted);
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .nav-links {
    display: none;
  }

  .hero {
    min-height: auto;
    align-items: center;
    padding-top: 68px;
    background:
      linear-gradient(90deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.82)),
      url("./assets/warehouse-hero.png") center / cover no-repeat;
  }

  .split,
  .about-grid,
  .contact-band {
    grid-template-columns: 1fr;
  }

  .proof,
  .service-grid,
  .capability-grid {
    grid-template-columns: 1fr 1fr;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

@media (max-width: 660px) {
  .site-header {
    gap: 12px;
    padding: 14px 16px;
  }

  .brand {
    font-size: 15px;
  }

  .header-cta {
    font-size: 13px;
  }

  .hero,
  .section {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero {
    padding-top: 44px;
    padding-bottom: 24px;
  }

  h1 {
    font-size: clamp(42px, 13vw, 66px);
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .hero-proof {
    grid-template-columns: 1fr;
    width: 100%;
    margin-top: 34px;
  }

  .proof,
  .service-grid,
  .capability-grid,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .proof-item {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

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

  .service-card,
  .capability-grid article {
    min-height: auto;
  }

  .capability-grid span {
    margin-bottom: 26px;
  }

  .fact-list div,
  .timeline li {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .contact-band {
    padding: 44px 16px 86px;
  }

  .contact-form label:nth-last-of-type(1),
  .contact-form .button.primary,
  .form-note {
    grid-column: auto;
  }

  .quick-contact {
    right: 12px;
    bottom: 12px;
    left: 12px;
  }

  .site-footer {
    display: grid;
    padding: 18px 16px 76px;
  }

  .site-footer nav {
    justify-content: flex-start;
  }

  .gate-panel {
    padding: 28px;
  }
}