:root {
  --ink: #123047;
  --muted: #607488;
  --teal: #0b8f91;
  --teal-dark: #087477;
  --blue: #1167b1;
  --orange: #f4a51c;
  --line: #dce8ee;
  --soft: #f5f9fb;
  --white: #ffffff;
  --shadow: 0 18px 42px rgba(18, 48, 71, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.header-inner,
.section-inner,
.footer-inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.header-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 218px;
}

.brand img {
  width: 208px;
  height: auto;
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  cursor: pointer;
}

.menu-button span,
.menu-button::before,
.menu-button::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: #29465c;
  font-size: 15px;
  white-space: nowrap;
}

.site-nav a {
  padding: 10px 0;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover {
  color: var(--teal-dark);
  border-color: var(--orange);
}

.header-action {
  padding: 10px 18px;
  border-radius: 8px;
  background: var(--teal);
  color: var(--white);
  font-weight: 700;
}

.hero {
  position: relative;
  overflow: hidden;
  background: #eff8fb;
}

.hero-media {
  min-height: 575px;
  background: url("hero-logistics.svg") center bottom / cover no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, .95) 0%, rgba(255, 255, 255, .78) 42%, rgba(255, 255, 255, .18) 100%),
    linear-gradient(180deg, rgba(255, 255, 255, .25), rgba(255, 255, 255, .85));
}

.hero-content {
  position: absolute;
  inset: 0;
  display: grid;
  align-items: center;
}

.hero-copy {
  width: min(620px, 100%);
  padding-top: 28px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal-dark);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
}

.hero h1 {
  margin: 0;
  max-width: 11em;
  font-size: clamp(34px, 6vw, 62px);
  line-height: 1.08;
  letter-spacing: 0;
}

.hero-subtitle {
  margin: 20px 0 0;
  max-width: 600px;
  color: #34576d;
  font-size: 19px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 610px;
  margin: 28px 0;
}

.stat {
  min-height: 86px;
  padding: 16px 18px;
  border: 1px solid rgba(11, 143, 145, .15);
  border-radius: 8px;
  background: rgba(255, 255, 255, .86);
  box-shadow: 0 12px 26px rgba(18, 48, 71, .08);
}

.stat strong {
  display: block;
  color: var(--teal-dark);
  font-size: 24px;
  line-height: 1.1;
}

.stat span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
}

.tracking-panel {
  max-width: 760px;
  padding: 14px;
  border: 1px solid rgba(11, 143, 145, .16);
  border-radius: 8px;
  background: rgba(255, 255, 255, .94);
  box-shadow: var(--shadow);
}

.tracking-brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 46px;
  margin-bottom: 12px;
  padding: 0 6px;
  color: var(--ink);
  font-weight: 800;
}

.tracking-brand img {
  width: min(170px, 42vw);
  height: auto;
  object-fit: contain;
}

.tracking-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.tracking-actions {
  display: flex;
  align-items: stretch;
  gap: 10px;
}

.tracking-input-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 54px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.tracking-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  border: 2px solid var(--teal);
  border-radius: 50%;
  position: relative;
}

.tracking-icon::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 2px;
  right: -7px;
  bottom: -3px;
  background: var(--teal);
  transform: rotate(45deg);
  border-radius: 2px;
}

.tracking-form input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  color: var(--ink);
  font: inherit;
}

.tracking-form input::placeholder {
  color: #91a4b5;
}

.tracking-form input[aria-invalid="true"]::placeholder {
  color: #b83d3d;
}

.primary-button,
.secondary-button {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 24px;
  border: 0;
  border-radius: 8px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.primary-button {
  background: var(--orange);
  color: #2d2509;
}

.primary-button:hover {
  background: #e79608;
}

.secondary-button {
  background: var(--teal);
  color: var(--white);
}

.tracking-helper {
  margin: 8px 4px 0;
  color: var(--muted);
  font-size: 13px;
}

.tracking-result {
  margin-top: 14px;
  padding: 18px;
  border: 1px solid rgba(11, 143, 145, .26);
  border-radius: 8px;
  background: #f8fbfc;
  box-shadow: inset 4px 0 0 var(--teal);
}

.tracking-result[hidden] {
  display: none;
}

.tracking-result-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  color: var(--ink);
  font-weight: 800;
}

.tracking-result-head strong {
  color: var(--teal-dark);
  word-break: break-all;
}

.tracking-timeline {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  list-style: none;
}

.tracking-timeline li {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 14px;
  color: #39586f;
}

.tracking-timeline time {
  color: var(--muted);
  font-size: 13px;
}

.track-page {
  min-height: 72vh;
  background: linear-gradient(180deg, #f5f9fb 0%, #ffffff 56%);
}

.track-query-layout {
  max-width: 880px;
}

.track-query-layout .section-heading h1 {
  margin: 0;
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.12;
}

.public-track-panel {
  max-width: none;
}

.tracking-boundary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.tracking-boundary div {
  padding: 14px 16px;
  border-left: 4px solid var(--teal);
  border-radius: 8px;
  background: #eef8f7;
}

.tracking-boundary strong,
.tracking-boundary span {
  display: block;
}

.tracking-boundary strong {
  color: var(--ink);
  font-size: 16px;
}

.tracking-boundary span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.track-summary {
  margin: 0 0 14px;
  padding: 12px 14px;
  border-radius: 8px;
  background: #eaf6f5;
  color: var(--teal-dark);
  font-weight: 800;
}

[data-track-status][data-status="error"] {
  color: #b3261e;
}

[data-track-status][data-status="success"] {
  color: var(--teal-dark);
}

.section {
  padding: 88px 0;
}

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

.section-heading {
  max-width: 760px;
  margin-bottom: 36px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.18;
  letter-spacing: 0;
}

.section-heading p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.advantage-grid,
.service-grid,
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.advantage-card,
.service-card,
.info-card,
.contact-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 26px rgba(18, 48, 71, .06);
}

.advantage-card,
.service-card,
.contact-card {
  padding: 24px;
}

.card-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 8px;
  background: #e6f6f5;
  color: var(--teal-dark);
  font-weight: 900;
}

.advantage-card h3,
.service-card h3,
.contact-card h3,
.info-card h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

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

.service-card {
  min-height: 190px;
}

.service-card:nth-child(2n) .card-icon {
  background: #eef5ff;
  color: var(--blue);
}

.service-card:nth-child(3n) .card-icon {
  background: #fff4db;
  color: #b16d00;
}

.track-section {
  background: #0f3348;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.track-section::before {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 8px;
  background: linear-gradient(90deg, var(--teal), var(--blue), var(--orange));
}

.track-layout {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 34px;
  align-items: center;
}

.track-section .section-heading p {
  color: #bfd2dd;
}

.partner-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.partner-tile {
  min-height: 78px;
  display: grid;
  place-items: center;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, .86);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  font-size: 18px;
  font-weight: 800;
  text-align: center;
  box-shadow: 0 16px 34px rgba(0, 0, 0, .12);
}

.partner-tile img {
  width: min(190px, 100%);
  max-height: 52px;
  object-fit: contain;
}

.partner-tile.track17 {
  background: var(--white);
  padding: 12px 18px;
}

.partner-tile.track17 img {
  width: min(190px, 100%);
  max-height: 48px;
  height: auto;
  object-fit: contain;
}

.readiness-list {
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  list-style: none;
}

.readiness-list li {
  padding: 14px 16px;
  border-radius: 8px;
  background: rgba(255, 255, 255, .08);
  color: #d8e8ef;
}

.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: stretch;
}

.about-layout-simple {
  grid-template-columns: minmax(0, 760px);
  justify-content: center;
}

.info-card {
  overflow: hidden;
}

.info-card h3 {
  padding: 22px 24px;
  background: #eaf6f5;
}

.info-list {
  margin: 0;
  padding: 0;
}

.info-list div {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 16px;
  padding: 16px 24px;
  border-top: 1px solid var(--line);
}

.info-list dt {
  color: var(--muted);
}

.info-list dd {
  margin: 0;
  font-weight: 700;
}

.values {
  display: grid;
  gap: 16px;
}

.value-row {
  padding: 22px;
  border-left: 4px solid var(--teal);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 8px 20px rgba(18, 48, 71, .06);
}

.value-row:nth-child(2) {
  border-color: var(--blue);
}

.value-row:nth-child(3) {
  border-color: var(--orange);
}

.value-row h3,
.value-row p {
  margin: 0;
}

.value-row p {
  margin-top: 6px;
  color: var(--muted);
}

.contact-card strong {
  display: block;
  margin-top: 6px;
  color: var(--ink);
  font-size: 18px;
}

.site-footer {
  padding: 48px 0 34px;
  background: #092739;
  color: #d8e8ef;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 36px;
}

.footer-brand img {
  width: 220px;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--white);
}

.footer-brand p {
  max-width: 560px;
  margin: 18px 0 0;
  color: #aac3d0;
}

.footer-meta {
  display: grid;
  gap: 10px;
  color: #c9dce5;
  font-size: 14px;
}

.footer-meta strong {
  color: var(--white);
}

.footer-bottom {
  width: min(1180px, calc(100% - 32px));
  margin: 34px auto 0;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  color: #9fb7c4;
  font-size: 13px;
}

@media (max-width: 980px) {
  .menu-button {
    display: block;
  }

  .site-nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 74px;
    display: none;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: var(--shadow);
    white-space: normal;
  }

  .site-nav.is-open {
    display: grid;
    gap: 8px;
  }

  .header-action {
    justify-self: start;
  }

  .hero-media {
    min-height: 720px;
  }

  .hero-content {
    align-items: start;
    padding-top: 72px;
  }

  .hero-overlay {
    background: linear-gradient(180deg, rgba(255, 255, 255, .97), rgba(255, 255, 255, .72));
  }

  .hero-stats,
  .advantage-grid,
  .service-grid,
  .contact-grid,
  .track-layout,
  .about-layout,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .partner-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .header-inner,
  .section-inner,
  .footer-inner,
  .footer-bottom {
    width: min(100% - 24px, 1180px);
  }

  .brand img {
    width: 178px;
  }

  .hero-media {
    min-height: 760px;
  }

  .hero-content {
    padding-top: 44px;
  }

  .hero h1 {
    font-size: 38px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .tracking-form {
    grid-template-columns: 1fr;
  }

  .tracking-actions {
    flex-direction: column;
  }

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

  .tracking-boundary {
    grid-template-columns: 1fr;
  }

  .tracking-result-head,
  .tracking-timeline li {
    grid-template-columns: 1fr;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
  }

  .section {
    padding: 64px 0;
  }

  .partner-board {
    grid-template-columns: 1fr;
  }

  .info-list div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}