:root {
  color-scheme: light;
  --navy: #072b52;
  --deep: #051e39;
  --ink: #14283c;
  --muted: #50677d;
  --blue: #1468ad;
  --ice: #a7d9ff;
  --wash: #edf5fc;
  --line: #d4e1ed;
  --white: #fff;
  --gutter: clamp(1.125rem, 5.5vw, 5.25rem);
  --header: 5.6rem;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--white); }
h1, h2, h3, p, figure, dl { margin: 0; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-underline-offset: .25em; }
button { font: inherit; }
:focus-visible { outline: 3px solid #b85a14; outline-offset: 4px; }
[id] { scroll-margin-top: calc(var(--header) + 1rem); }
.wrap { width: min(76rem, calc(100% - 2 * var(--gutter))); margin-inline: auto; }
.skip { position: fixed; z-index: 5; inset: .5rem auto auto .5rem; transform: translateY(-180%); padding: .65em 1em; background: white; }
.skip:focus { transform: none; }

.site-header { position: fixed; z-index: 4; inset: 0 0 auto; min-height: var(--header); color: white; background: #062749cc; border-bottom: 1px solid #cde8ff30; }
.site-header.is-scrolled { background: var(--deep); }
.header-row { width: min(91rem, calc(100% - 2 * clamp(1.125rem, 3.4vw, 3.75rem))); min-height: var(--header); margin-inline: auto; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .45rem 1.5rem; }
.brand { display: inline-flex; flex: none; align-items: center; gap: .6em; color: white; text-decoration: none; font-size: clamp(1.15rem, 2vw, 1.55rem); font-weight: 820; line-height: 1.15; letter-spacing: .05em; }
.brand-icon { width: 1.8em; height: 1.8em; color: var(--ice); }
.brand small { display: block; margin-top: .25em; color: #d5eaff; font-size: .47em; font-weight: 650; letter-spacing: .1em; }
.global-nav { display: flex; flex-wrap: wrap; align-items: center; gap: .18rem 0; }
.global-nav a { display: flex; gap: clamp(.45rem, 1.65vw, 1.65rem); align-items: center; min-height: 2.75rem; padding-inline: clamp(.3rem, .9vw, .8rem); text-decoration: none; font-size: .88rem; font-weight: 680; }
.global-nav a + a::before { content: "/"; color: #b4d4ef; font-weight: 400; }
.global-nav a[aria-current="page"], .global-nav a:hover { color: var(--ice); }
.global-nav a[aria-current="page"] span { border-bottom: 2px solid currentColor; }
.nav-toggle { display: none; align-items: center; gap: .5em; min-height: 2.75rem; padding: .25em .65em; border: 1px solid #c2ddf3; background: transparent; color: white; cursor: pointer; }
.nav-toggle svg { width: 1.15em; }
.site-header :focus-visible, .masthead :focus-visible, .dark :focus-visible, .site-footer :focus-visible { outline-color: #ffd58e; }

.masthead {
  position: relative;
  min-height: clamp(30rem, 63svh, 43rem);
  display: grid;
  place-items: center;
  overflow: hidden;
  isolation: isolate;
  color: white;
  background: radial-gradient(ellipse at 77% 32%, #336ea0 0, #144674 44%, #082a51 73%);
}
.masthead::before, .masthead::after { content: ""; position: absolute; inset: 0; z-index: -1; }
.masthead::before { background-position: center; background-size: cover; }
.masthead.coast::before { background-image: url("coastal-logistics.webp"); }
.masthead.operations::before { background-image: url("cold-chain-workflow.webp"); }
.masthead::after { background: linear-gradient(180deg,#03254b75 0%,#06264b91 52%,#041e3ebd 100%); }
.masthead.digital::after {
  background:
    repeating-linear-gradient(90deg, transparent 0 47px, #b5e2ff16 47px 48px),
    repeating-linear-gradient(0deg, transparent 0 47px, #b5e2ff16 47px 48px),
    linear-gradient(125deg, #071e4adb, #063a67a3 65%, #072449d9);
}
.masthead--home { min-height: clamp(39rem, 51vw, 51rem); place-items: center start; }
.masthead--home::after { background: linear-gradient(90deg,#041c36ea 0%,#06254bd4 36%,#082c4c56 75%,#082b5044 100%), linear-gradient(0deg,#051e39aa,transparent 48%); }
.masthead .wrap { position: relative; z-index: 1; padding-block: calc(var(--header) + 2rem) 4rem; }
.masthead--inner .wrap { text-align: center; }
.masthead--inner h1 { font-size: clamp(1.85rem,3.05vw,3.4rem); letter-spacing: .09em; line-height: 1.23; }
.masthead--inner h1::after { content: ""; display: block; width: 2.1rem; margin: .55em auto .4em; border-top: 2px solid currentColor; }
.masthead-en { font-size: clamp(1.25rem,3.65vw,3.4rem); font-weight: 820; letter-spacing: .065em; line-height: 1.13; overflow-wrap: anywhere; }
.kicker { display: flex; align-items: center; gap: .7em; color: var(--blue); font-size: .75rem; font-weight: 760; letter-spacing: .15em; }
.kicker::before { content: ""; width: 1.8em; border-top: 2px solid; flex: none; }
.masthead .kicker, .dark .kicker { color: var(--ice); }
.masthead--home h1 { margin-block: .24em .36em; font-size: clamp(2.25rem,4.65vw,4.65rem); line-height: 1.12; font-weight: 800; letter-spacing: -.05em; }
.masthead--home h1 span { display: block; color: #c1e6ff; }
.masthead--home .lead { max-width: 31em; color: #f3f9ff; font-size: clamp(1rem,1.5vw,1.22rem); }
.masthead-note { position: absolute; right: var(--gutter); bottom: .9rem; z-index: 1; color: #e4f1fc; font-size: .75rem; }
.jump {
  display: inline-grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  margin-top: 1.5rem;
  border: 1px solid #e2f1ff;
  border-radius: 50%;
  color: white;
  text-decoration: none;
  font-size: 1.2rem;
}
.jump:hover { background: #d7edff2c; }
.actions { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 1.35rem; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: .8em; min-height: 2.9rem; padding: .55em .95em; border: 1px solid var(--blue); background: var(--blue); color: white; font-weight: 750; text-decoration: none; }
.button:hover { background: #0c4f88; }
.button--light { border-color: white; background: white; color: var(--navy); }
.button--light:hover { background: #d8eeff; }
.button--outline { border-color: #d6e9fa; background: transparent; color: white; }
.button--outline:hover { background: #d6e9fa22; }

.sectionbar { border-bottom: 1px solid var(--line); background: #f7fafd; }
.sectionbar-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .3rem 1rem; }
.local-nav, .crumb { display: flex; align-items: center; flex-wrap: wrap; gap: .15rem .9rem; }
.local-nav a { min-height: 3.25rem; display: flex; align-items: center; color: var(--navy); font-weight: 720; font-size: .88rem; text-decoration: none; }
.local-nav a:first-child { border-bottom: 3px solid var(--blue); }
.local-nav a:hover { color: var(--blue); text-decoration: underline; }
.crumb { color: var(--muted); font-size: .8rem; }
.crumb span { color: #6385a2; }
.section { padding-block: clamp(3.15rem, 6.1vw, 6.15rem); }
.compact { padding-block: clamp(2.45rem,4.5vw,4.45rem); }
.wash { background: var(--wash); }
.dark { background: var(--navy); color: white; }
.dark p:not(.kicker) { color: #e4f2ff; }
.section-head { max-width: 52rem; margin-bottom: clamp(1.5rem,3.1vw,2.65rem); }
.section-head.center { text-align: center; margin-inline: auto; }
.section-head.center .kicker { justify-content: center; }
h2 { margin-top: .25em; font-size: clamp(1.85rem,3.35vw,3.35rem); line-height: 1.19; letter-spacing: -.05em; }
h3 { font-size: clamp(1.15rem,1.8vw,1.45rem); line-height: 1.35; }
.section-head p:not(.kicker), .body-copy p:not(.kicker), .body-copy li, .cols p:not(.kicker) { color: var(--muted); }
.section-head p:not(.kicker) { margin-top: .55em; }
.dark .section-head p:not(.kicker), .dark .cols p:not(.kicker) { color: #deecf8; }
.body-copy p:not(.kicker) { margin-top: .8em; }
.split { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: clamp(1.25rem,5vw,4.6rem); align-items: center; }
.split--product { grid-template-columns: minmax(0,.82fr) minmax(0,1fr); }
.feature-photo { overflow: hidden; border: 1px solid var(--line); background: #f4f8fc; }
.feature-photo img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }
.feature-photo.product-shot img { aspect-ratio: 1; object-fit: contain; }
.feature-photo figcaption { padding: .48em .85em; color: var(--muted); font-size: .8rem; border-top: 1px solid var(--line); }
.text-link { display: inline-flex; align-items: center; gap: .6em; min-height: 2.75rem; color: var(--blue); font-weight: 750; }
.body-copy .text-link { margin-top: .6rem; }
.dark .text-link { color: var(--ice); }

.lines { display: grid; grid-template-columns: repeat(auto-fit,minmax(min(100%,13rem),1fr)); gap: 0; border-top: 1px solid #8aafcf; border-bottom: 1px solid #8aafcf; }
.lines article { padding: 1.15em; border-bottom: 1px solid #8aafcf66; }
.lines article + article { border-inline-start: 1px solid #8aafcf55; }
.lines p { margin-top: .55em; }
.lines .index, .step .index, .tech-grid .index { display: inline-block; margin-bottom: .55em; color: var(--blue); font-size: .8rem; font-weight: 800; letter-spacing: .14em; font-variant-numeric: tabular-nums; }
.dark .index { color: var(--ice); }
.cols { display: grid; grid-template-columns: repeat(auto-fit,minmax(min(100%,15rem),1fr)); gap: .9rem; }
.cols article { padding: clamp(.95rem,2vw,1.45rem); border-top: 3px solid var(--blue); background: white; }
.cols article p:not(.kicker) { margin-top: .45em; }
.steps { display: grid; grid-template-columns: repeat(auto-fit,minmax(min(100%,11.75rem),1fr)); gap: .75rem; list-style: none; padding: 0; margin: 0; }
.step { padding: .9em 1em 1.15em; border-top: 3px solid var(--blue); background: white; }
.step h3 { font-size: 1.04rem; }
.step p { margin-top: .4em; color: var(--muted); font-size: .9rem; }
.tech-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(min(100%,13rem),1fr)); gap: 0; border-top: 1px solid var(--line); }
.tech-grid article { min-width: 0; padding: 1.05em 1em 1.2em; border-bottom: 1px solid var(--line); }
.tech-grid h3 { font-size: 1.13rem; }
.tech-grid p { margin-top: .45em; color: var(--muted); }
.diagram { padding: clamp(1rem,3vw,2.25rem); background: #0e3d69; color: white; }
.diagram h3 { margin-bottom: .7em; }
.diagram-flow { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .6rem; }
.diagram-flow li { flex: 1 1 9rem; padding: .55em .7em; border: 1px solid #7fa7c8; background: #072d52; }
.diagram-flow li span { display: block; color: var(--ice); font-size: .72rem; font-weight: 750; letter-spacing: .12em; }
.definition { display: grid; grid-template-columns: repeat(auto-fit,minmax(min(100%,12rem),1fr)); border-block: 1px solid var(--line); }
.definition div { padding: .8em .85em; border-bottom: 1px solid var(--line); }
.definition dt { font-weight: 780; }
.definition dd { margin: .2em 0 0; color: var(--muted); }
.tag { display: inline-flex; align-items: center; gap: .45em; padding: .19em .6em; border: 1px solid #84a7c6; background: #e4f1fc; color: var(--navy); font-size: .82rem; font-weight: 730; }
.note { color: var(--muted); font-size: .9rem; margin-top: .8em; }
.status-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(min(100%,19rem),1fr)); gap: .9rem; }
.status-grid article { padding: 1.15em; border: 1px solid var(--line); background: white; }
.status-grid h3 { margin-top: .55em; }
.status-grid p { margin-top: .4em; color: var(--muted); }
.case-band { padding: clamp(1rem,3vw,2.3rem); background: var(--navy); color: white; }
.case-band .tag { background: #d9ecfc; }
.case-band h3 { margin-top: .6em; }
.case-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(min(100%,9rem),1fr)); gap: .6rem; margin: .9em 0; }
.case-grid div { min-width: 0; padding: .7em .85em; background: #154771; }
.case-grid dt { font-size: .8rem; color: #d7ecfd; }
.case-grid dd { margin: 0; font-size: clamp(1.2rem,2.2vw,2rem); font-weight: 770; font-variant-numeric: tabular-nums; }
.case-grid small { font-size: .62em; }
.contact-box { border-top: 3px solid var(--blue); background: var(--wash); padding: clamp(1.1rem,3vw,2rem); }
.contact-box p { margin-top: .45em; color: var(--muted); }
.callout .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem 2rem; }
.callout h2 { font-size: clamp(1.5rem,2.4vw,2.3rem); }
.site-footer { color: #e3edf7; background: #132f4b; }
.footer-main { display: grid; grid-template-columns: repeat(auto-fit,minmax(min(100%,13rem),1fr)); gap: 1rem 2rem; padding-block: 2.3rem; }
.footer-main h2 { margin: 0 0 .4em; color: white; font-size: 1.02rem; letter-spacing: 0; }
.footer-main p { color: #d6e5f3; font-size: .9rem; }
.footer-main nav { display: grid; justify-items: start; }
.footer-main nav a { display: flex; align-items: center; min-height: 2.35rem; color: #deebf7; font-size: .89rem; }
.footer-bottom { background: #0a223a; }
.footer-bottom .wrap { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .3rem 1rem; min-height: 3.4rem; padding-block: .35rem; color: #cfdeec; font-size: .8rem; }
.footer-bottom a { display: flex; align-items: center; min-height: 2.75rem; }

@media (max-width: 61rem) {
  :root { --header: 4.45rem; }
  .header-row { gap: .25rem; }
  .nav-ready .nav-toggle { display: inline-flex; }
  .global-nav { flex: 1 1 100%; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0; padding-bottom: .45rem; }
  .nav-ready .global-nav:not([data-open]) { display: none; }
  .global-nav a { padding-inline: .45em; }
  .global-nav a + a::before { content: none; }
  .site-header:has(.global-nav[data-open]) { background: var(--deep); max-height: 90svh; overflow-y: auto; }
}
@media (max-width: 49rem) {
  .masthead--home { min-height: 35rem; }
  .masthead--home::before { background-size: 100% auto; background-position: center bottom; background-repeat: no-repeat; }
  .masthead--home::after { background: linear-gradient(180deg,#041c36e8 0%,#082b50d9 53%,#082b5088 78%,#051e3944); }
  .masthead--inner { min-height: 28rem; }
  .masthead .wrap { padding-block: calc(var(--header) + 1rem) 3.3rem; }
  .split, .split--product { grid-template-columns: minmax(0,1fr); }
  .feature-photo.product-shot { max-width: 32rem; }
  .sectionbar-row { padding-bottom: .35rem; }
}
@media (prefers-reduced-motion: no-preference) {
  .site-header { transition: background-color .18s ease; }
}