:root {
  color-scheme: light;
  --ink: #16201d;
  --muted: #66736e;
  --line: rgba(22, 32, 29, 0.13);
  --paper: #f7f5ee;
  --paper-2: #ecf2ef;
  --white: #ffffff;
  --teal: #0f766e;
  --teal-dark: #0b4e49;
  --cobalt: #2158a4;
  --amber: #c8792d;
  --coral: #d85b45;
  --shadow: 0 22px 70px rgba(23, 34, 31, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    "Noto Sans CJK SC",
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  color: var(--ink);
  background: var(--paper);
  letter-spacing: 0;
}

body.menu-open {
  overflow: hidden;
}

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

button {
  font: inherit;
}

svg {
  width: 1.2rem;
  height: 1.2rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 1rem;
  width: min(1180px, calc(100% - 2rem));
  margin: 1rem auto 0;
  padding: 0.7rem;
  color: var(--white);
  background: rgba(17, 28, 25, 0.24);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  backdrop-filter: blur(18px);
  transition:
    background 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.site-header.is-scrolled {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 14px 40px rgba(24, 34, 31, 0.14);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  color: var(--white);
  background: linear-gradient(135deg, var(--teal), var(--amber));
  border-radius: 8px;
  font-weight: 800;
}

.brand-mark.logo-mark {
  width: 2.65rem;
  height: 2.55rem;
  padding: 0.22rem;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: inset 0 0 0 1px rgba(22, 32, 29, 0.08);
  overflow: hidden;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.15;
}

.brand strong {
  font-size: 0.98rem;
}

.brand small {
  margin-top: 0.16rem;
  color: currentColor;
  opacity: 0.68;
  font-size: 0.68rem;
  text-transform: uppercase;
}

.nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav a {
  padding: 0.72rem 0.9rem;
  border-radius: 8px;
  color: currentColor;
  opacity: 0.86;
  font-size: 0.92rem;
  transition:
    opacity 150ms ease,
    background 150ms ease;
}

.nav a:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.14);
}

.site-header.is-scrolled .nav a:hover {
  background: rgba(15, 118, 110, 0.08);
}

.header-cta,
.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 2.85rem;
  padding: 0 1rem;
  border-radius: 8px;
  font-weight: 700;
  white-space: nowrap;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

.header-cta,
.primary-action {
  color: var(--white);
  background: var(--teal);
  box-shadow: 0 12px 30px rgba(15, 118, 110, 0.24);
}

.header-cta:hover,
.primary-action:hover,
.secondary-action:hover {
  transform: translateY(-2px);
}

.secondary-action {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.38);
  background: rgba(255, 255, 255, 0.08);
}

.icon-button {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.8rem;
  height: 2.8rem;
  padding: 0;
  color: currentColor;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 8px;
  cursor: pointer;
}

.hero {
  position: relative;
  min-height: 88svh;
  overflow: hidden;
  isolation: isolate;
  color: var(--white);
  background: #10231f;
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-image {
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-shade {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(9, 20, 18, 0.78), rgba(9, 20, 18, 0.38) 46%, rgba(9, 20, 18, 0.12)),
    linear-gradient(180deg, rgba(9, 20, 18, 0.28), rgba(9, 20, 18, 0.34));
}

.hero-content {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 9rem 0 4.8rem;
}

.eyebrow,
.section-kicker {
  display: inline-block;
  color: #f3bf73;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 720px;
  margin-bottom: 1.1rem;
  font-size: 4.2rem;
  line-height: 1.04;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 680px;
  margin-bottom: 1.6rem;
  color: rgba(255, 255, 255, 0.84);
  font-size: 1.08rem;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 2.4rem;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 10.5rem));
  gap: 0.7rem;
  margin: 0;
}

.hero-metrics div {
  padding: 0.9rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.09);
  backdrop-filter: blur(12px);
}

.hero-metrics dt {
  margin: 0 0 0.25rem;
  color: var(--white);
  font-size: 1.45rem;
  font-weight: 850;
}

.hero-metrics dd {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.85rem;
}

.route-strip {
  background: var(--teal-dark);
  color: var(--white);
}

.route-strip-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1rem 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.route-strip-inner::-webkit-scrollbar {
  display: none;
}

.route-strip span {
  flex: 0 0 auto;
  font-weight: 750;
}

.route-strip i {
  flex: 0 0 3rem;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.15), rgba(243, 191, 115, 0.95));
}

.section,
.contact-section {
  padding: 5.8rem 0;
}

.section-heading,
.cargo-copy,
.planner-copy,
.contact-copy {
  width: min(760px, calc(100% - 2rem));
  margin: 0 auto 2.2rem;
}

.section-heading {
  text-align: center;
}

h2 {
  margin-bottom: 0.8rem;
  font-size: 2.55rem;
  line-height: 1.16;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0.55rem;
  font-size: 1.08rem;
  line-height: 1.35;
}

.section-heading p,
.planner-copy p,
.cargo-copy p,
.contact-copy p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.card-grid,
.cargo-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.service-card,
.cargo-card,
.planner-panel,
.network-item,
.timeline-step,
.contact-panel,
.faq-list details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 14px 42px rgba(22, 32, 29, 0.06);
}

.service-card,
.cargo-card {
  min-height: 15.8rem;
  padding: 1.25rem;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.service-card:hover,
.cargo-card:hover,
.network-item:hover,
.timeline-step:hover {
  transform: translateY(-4px);
  border-color: rgba(15, 118, 110, 0.34);
  box-shadow: var(--shadow);
}

.card-icon,
.cargo-card svg {
  display: inline-grid;
  place-items: center;
  width: 2.85rem;
  height: 2.85rem;
  margin-bottom: 1rem;
  color: var(--teal);
  background: rgba(15, 118, 110, 0.08);
  border-radius: 8px;
}

.card-icon svg {
  width: 1.35rem;
  height: 1.35rem;
}

.service-card p,
.cargo-card p,
.network-item p,
.timeline-step p,
.faq-list p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.75;
  font-size: 0.95rem;
}

.route-planner {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(20rem, 1.1fr);
  gap: 2rem;
  align-items: center;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.planner-copy {
  width: auto;
  margin: 0;
}

.mode-toggle {
  display: flex;
  width: fit-content;
  margin-top: 1.35rem;
  padding: 0.35rem;
  background: rgba(22, 32, 29, 0.06);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.mode-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 2.65rem;
  padding: 0 0.9rem;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 7px;
  cursor: pointer;
}

.mode-tab.active {
  color: var(--white);
  background: var(--ink);
  box-shadow: 0 10px 24px rgba(22, 32, 29, 0.18);
}

.planner-panel {
  position: relative;
  overflow: hidden;
  min-height: 22rem;
  padding: 2rem;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(236, 242, 239, 0.82)),
    repeating-linear-gradient(120deg, rgba(15, 118, 110, 0.08) 0 1px, transparent 1px 16px);
}

.planner-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.86), transparent);
  transform: translateX(-100%);
  animation: panel-sheen 5s ease-in-out infinite;
}

@keyframes panel-sheen {
  0%,
  55% {
    transform: translateX(-100%);
  }
  80%,
  100% {
    transform: translateX(100%);
  }
}

.panel-topline {
  position: relative;
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.panel-topline span {
  width: fit-content;
  padding: 0.35rem 0.55rem;
  color: var(--teal-dark);
  background: rgba(15, 118, 110, 0.1);
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 800;
}

.panel-topline strong {
  font-size: 1.7rem;
  line-height: 1.25;
}

.planner-panel p {
  position: relative;
  color: var(--muted);
  line-height: 1.8;
}

.check-list {
  position: relative;
  display: grid;
  gap: 0.85rem;
  padding: 0;
  margin: 1.4rem 0 0;
  list-style: none;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  color: var(--ink);
  line-height: 1.65;
}

.check-list li::before {
  content: "";
  flex: 0 0 auto;
  width: 0.55rem;
  height: 0.55rem;
  margin-top: 0.55rem;
  background: var(--amber);
  border-radius: 50%;
}

.network {
  background: var(--paper-2);
}

.network-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(20rem, 0.85fr);
  gap: 1.4rem;
  align-items: stretch;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.network-map {
  position: relative;
  min-height: 29rem;
  overflow: hidden;
  border: 1px solid rgba(22, 32, 29, 0.12);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.1), rgba(216, 91, 69, 0.08)),
    linear-gradient(90deg, rgba(22, 32, 29, 0.05) 1px, transparent 1px),
    linear-gradient(0deg, rgba(22, 32, 29, 0.05) 1px, transparent 1px),
    #fbfaf5;
  background-size: auto, 54px 54px, 54px 54px, auto;
}

.network-map::after {
  content: "";
  position: absolute;
  inset: 12%;
  border: 1px dashed rgba(15, 118, 110, 0.28);
  border-radius: 8px;
}

.route-line {
  position: absolute;
  z-index: 1;
  height: 3px;
  background: linear-gradient(90deg, var(--teal), var(--amber), var(--cobalt));
  transform-origin: left center;
  box-shadow: 0 0 22px rgba(15, 118, 110, 0.35);
}

.route-line-one {
  left: 24%;
  top: 48%;
  width: 26%;
  transform: rotate(-18deg);
}

.route-line-two {
  left: 46%;
  top: 39%;
  width: 34%;
  transform: rotate(21deg);
}

.city-pin {
  position: absolute;
  z-index: 2;
  display: grid;
  gap: 0.25rem;
  width: 9rem;
  padding: 0.9rem;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(22, 32, 29, 0.12);
  border-radius: 8px;
  box-shadow: 0 14px 32px rgba(22, 32, 29, 0.12);
}

.city-pin::before {
  content: "";
  position: absolute;
  left: 1rem;
  bottom: -0.45rem;
  width: 0.85rem;
  height: 0.85rem;
  background: var(--coral);
  border: 3px solid var(--white);
  border-radius: 50%;
}

.city-pin strong {
  font-size: 1.1rem;
}

.city-pin small {
  color: var(--muted);
  font-size: 0.8rem;
}

.yiwu {
  left: 11%;
  top: 43%;
}

.guangzhou {
  left: 36%;
  top: 24%;
}

.morocco {
  right: 9%;
  bottom: 22%;
}

.network-list {
  display: grid;
  gap: 1rem;
}

.network-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1.15rem;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.network-item span {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  color: var(--white);
  background: var(--cobalt);
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 900;
}

.process {
  background: var(--ink);
  color: var(--white);
}

.process .section-heading p {
  color: rgba(255, 255, 255, 0.68);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.timeline-step {
  min-height: 14.4rem;
  padding: 1.25rem;
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.timeline-step span {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  margin-bottom: 1.1rem;
  color: var(--ink);
  background: #f3bf73;
  border-radius: 8px;
  font-weight: 900;
}

.timeline-step p {
  color: rgba(255, 255, 255, 0.7);
}

.cargo {
  display: grid;
  grid-template-columns: minmax(18rem, 0.9fr) minmax(0, 1.1fr);
  gap: 2rem;
  align-items: start;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.cargo-copy {
  position: sticky;
  top: 7rem;
  width: auto;
  margin: 0;
}

.cargo-grid {
  grid-template-columns: 1fr;
  width: auto;
}

.cargo-card {
  min-height: auto;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 1rem;
  align-items: start;
}

.cargo-card svg {
  grid-row: span 2;
  margin-bottom: 0;
}

.faq {
  background: #fbfaf5;
}

.faq-list {
  display: grid;
  gap: 0.8rem;
  width: min(860px, calc(100% - 2rem));
  margin: 0 auto;
}

.faq-list details {
  padding: 1rem 1.1rem;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 800;
}

.faq-list summary::marker {
  color: var(--teal);
}

.faq-list p {
  padding-top: 0.75rem;
}

.seo-guides {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.62), rgba(236, 242, 239, 0.82)),
    var(--paper-2);
}

.seo-guides-inner {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.seo-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(18rem, 0.75fr);
  gap: 2rem;
  align-items: end;
  margin-bottom: 1.4rem;
}

.seo-heading h2 {
  margin-bottom: 0;
}

.seo-heading p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.8;
}

.seo-toolbar {
  display: flex;
  gap: 0.55rem;
  margin-bottom: 1rem;
  padding: 0.45rem;
  overflow-x: auto;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: 8px;
  scrollbar-width: none;
}

.seo-toolbar::-webkit-scrollbar {
  display: none;
}

.guide-filter {
  flex: 0 0 auto;
  min-height: 2.55rem;
  padding: 0 0.9rem;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 7px;
  cursor: pointer;
  font-weight: 800;
  white-space: nowrap;
  transition:
    color 160ms ease,
    background 160ms ease,
    box-shadow 160ms ease;
}

.guide-filter.active {
  color: var(--white);
  background: var(--teal-dark);
  box-shadow: 0 10px 24px rgba(15, 118, 110, 0.18);
}

.seo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.seo-card {
  display: flex;
  flex-direction: column;
  min-height: 18.5rem;
  padding: 1.05rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 14px 36px rgba(22, 32, 29, 0.06);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.seo-card:hover {
  transform: translateY(-4px);
  border-color: rgba(33, 88, 164, 0.32);
  box-shadow: var(--shadow);
}

.seo-card.is-filtered-out,
.seo-guides:not(.is-expanded) .seo-card.is-extra {
  display: none;
}

.seo-card span {
  width: fit-content;
  margin-bottom: 0.8rem;
  padding: 0.28rem 0.55rem;
  color: var(--cobalt);
  background: rgba(33, 88, 164, 0.08);
  border-radius: 6px;
  font-size: 0.76rem;
  font-weight: 900;
}

.seo-card h3 {
  margin-bottom: 0.65rem;
  font-size: 1.04rem;
}

.seo-card p {
  margin-bottom: 1rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.72;
}

.seo-card em {
  margin-top: auto;
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-style: normal;
  line-height: 1.55;
}

.seo-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  margin-top: 1.5rem;
}

.guide-more.is-hidden {
  display: none;
}

.secondary-link {
  display: inline-flex;
  align-items: center;
  min-height: 2.85rem;
  padding: 0 1rem;
  color: var(--teal-dark);
  font-weight: 800;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(18rem, 0.9fr) minmax(20rem, 1.1fr);
  gap: 2rem;
  align-items: center;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.contact-copy {
  width: auto;
  margin: 0;
}

.contact-panel {
  display: grid;
  gap: 0.9rem;
  padding: 1.25rem;
  background: var(--white);
}

.contact-row {
  display: grid;
  grid-template-columns: 8rem 1fr;
  align-items: center;
  gap: 0.9rem;
  min-height: 4.2rem;
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.contact-row span {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--muted);
  font-weight: 800;
}

.contact-row span svg {
  color: var(--teal);
}

.contact-row b {
  display: block;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 850;
  line-height: 1.45;
  word-break: break-all;
}

.contact-row a {
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 850;
  line-height: 1.45;
  word-break: break-all;
}

.contact-row a:hover {
  color: var(--teal);
}

.qr-card {
  display: grid;
  grid-template-columns: 8.6rem 1fr;
  gap: 1rem;
  align-items: center;
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.08), rgba(200, 121, 45, 0.08));
}

.qr-card img {
  width: 8.6rem;
  aspect-ratio: 1;
  display: block;
  object-fit: contain;
  padding: 0.35rem;
  background: var(--white);
  border: 1px solid rgba(22, 32, 29, 0.1);
  border-radius: 8px;
}

.qr-card strong {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 1.05rem;
}

.qr-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
  font-size: 0.92rem;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.4rem 0 2rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.footer p {
  margin: 0;
}

.footer a {
  font-weight: 800;
  color: var(--teal-dark);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 520ms ease,
    transform 520ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

  .header-cta {
    display: none;
  }

  .icon-button {
    display: inline-flex;
    justify-self: end;
  }

  .nav {
    position: fixed;
    top: 5.5rem;
    left: 1rem;
    right: 1rem;
    display: none;
    grid-column: 1 / -1;
    padding: 0.6rem;
    color: var(--ink);
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .nav.is-open {
    display: grid;
  }

  .nav a {
    padding: 0.9rem;
  }

  .hero {
    min-height: 86svh;
  }

  .hero-content {
    padding-top: 8rem;
  }

  h1 {
    max-width: 600px;
    font-size: 3.2rem;
  }

  h2 {
    font-size: 2.15rem;
  }

  .card-grid,
  .timeline,
  .seo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .route-planner,
  .network-layout,
  .cargo,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .cargo-copy {
    position: static;
  }

  .seo-heading {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }
}

@media (max-width: 680px) {
  .site-header {
    width: calc(100% - 1rem);
    margin-top: 0.5rem;
  }

  .brand small {
    display: none;
  }

  .brand-mark.logo-mark {
    width: 2.45rem;
    height: 2.35rem;
  }

  .hero {
    min-height: auto;
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(9, 20, 18, 0.7), rgba(9, 20, 18, 0.62)),
      linear-gradient(90deg, rgba(9, 20, 18, 0.72), rgba(9, 20, 18, 0.22));
  }

  .hero-content {
    width: calc(100% - 1.25rem);
    padding: 7.2rem 0 3.2rem;
  }

  h1 {
    font-size: 2.35rem;
  }

  .hero-lead {
    font-size: 0.98rem;
    line-height: 1.75;
  }

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

  .primary-action,
  .secondary-action,
  .mode-tab {
    flex: 1 1 0;
  }

  .hero-metrics,
  .card-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .section,
  .contact-section {
    padding: 4.2rem 0;
  }

  .section-heading,
  .cargo-copy,
  .planner-copy,
  .contact-copy,
  .seo-guides-inner,
  .card-grid,
  .cargo-grid,
  .route-planner,
  .network-layout,
  .timeline,
  .contact-section,
  .faq-list {
    width: calc(100% - 1.25rem);
  }

  h2 {
    font-size: 1.9rem;
  }

  .planner-panel {
    min-height: auto;
    padding: 1.25rem;
  }

  .network-map {
    min-height: 24rem;
  }

  .city-pin {
    width: 7.9rem;
    padding: 0.75rem;
  }

  .yiwu {
    left: 5%;
    top: 44%;
  }

  .guangzhou {
    left: 38%;
    top: 17%;
  }

  .morocco {
    right: 4%;
    bottom: 18%;
  }

  .cargo-card {
    grid-template-columns: 1fr;
  }

  .cargo-card svg {
    grid-row: auto;
    margin-bottom: 1rem;
  }

  .seo-grid {
    grid-template-columns: 1fr;
  }

  .seo-toolbar {
    margin-right: -0.625rem;
    margin-left: -0.625rem;
    padding-right: 0.625rem;
    padding-left: 0.625rem;
    border-right: 0;
    border-left: 0;
  }

  .seo-card {
    min-height: auto;
  }

  .contact-row {
    grid-template-columns: 1fr;
    min-height: 5.5rem;
  }

  .qr-card {
    grid-template-columns: 1fr;
  }

  .qr-card img {
    width: min(12rem, 100%);
  }

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}