/* 新鸟科技 — Dawn Logistics */
:root {
  --orange: #f99832;
  --orange-deep: #e07f18;
  --ink: #12161c;
  --ink-soft: #2a3340;
  --steel: #5c6b7a;
  --mist: #d8e0e8;
  --cloud: #eef2f6;
  --paper: #f6f8fa;
  --white: #ffffff;
  --line: rgba(18, 22, 28, 0.1);
  --shadow: 0 24px 60px rgba(18, 22, 28, 0.12);
  --font-display: "Syne", "Noto Sans SC", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --nav-h: 72px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

button {
  font: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

.container {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

/* ——— Background atmosphere ——— */
.page-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(249, 152, 49, 0.08), transparent 50%),
    radial-gradient(ellipse 60% 40% at 90% 20%, rgba(92, 130, 160, 0.12), transparent 45%),
    linear-gradient(165deg, #e8eef4 0%, #f6f8fa 40%, #ebe6e0 100%);
}

.page-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px;
  pointer-events: none;
  mix-blend-mode: soft-light;
}

/* ——— Nav ——— */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease), backdrop-filter 0.4s;
}

.site-header .logo-text strong {
  color: var(--white);
  transition: color 0.3s;
}

.site-header .logo-text span {
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.3s;
}

.site-header .nav-links a {
  color: rgba(255, 255, 255, 0.82);
}

.site-header .nav-links a:hover,
.site-header .nav-links a.is-active {
  color: var(--white);
  background: rgba(255, 255, 255, 0.12);
}

.site-header .nav-cta {
  background: var(--orange);
  color: var(--white) !important;
}

.site-header .nav-cta:hover {
  background: var(--orange-deep) !important;
}

.site-header .nav-toggle {
  border-color: rgba(255, 255, 255, 0.25);
}

.site-header .nav-toggle span,
.site-header .nav-toggle span::before,
.site-header .nav-toggle span::after {
  background: var(--white);
}

.site-header.is-scrolled {
  background: rgba(246, 248, 250, 0.92);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--line);
}

.site-header.is-scrolled .logo-text strong {
  color: var(--ink);
}

.site-header.is-scrolled .logo-text span {
  color: var(--steel);
}

.site-header.is-scrolled .nav-links a {
  color: var(--ink-soft);
}

.site-header.is-scrolled .nav-links a:hover,
.site-header.is-scrolled .nav-links a.is-active {
  color: var(--orange);
  background: rgba(249, 152, 49, 0.08);
}

.site-header.is-scrolled .nav-cta {
  background: var(--ink);
}

.site-header.is-scrolled .nav-cta:hover {
  background: var(--orange) !important;
}

.site-header.is-scrolled .nav-toggle {
  border-color: var(--line);
}

.site-header.is-scrolled .nav-toggle span,
.site-header.is-scrolled .nav-toggle span::before,
.site-header.is-scrolled .nav-toggle span::after {
  background: var(--ink);
}

/* Inner pages: solid header from start */
body.has-page-hero .site-header {
  background: rgba(18, 22, 28, 0.72);
  backdrop-filter: blur(12px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 2;
}

.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--orange);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  overflow: hidden;
}

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

.logo-mark svg {
  width: 22px;
  height: 22px;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-text strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.logo-text span {
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  color: var(--steel);
  text-transform: uppercase;
  font-family: var(--font-display);
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-links a {
  padding: 8px 16px;
  font-size: 0.92rem;
  border-radius: 6px;
  transition: color 0.25s, background 0.25s;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  transition: background 0.3s, transform 0.3s var(--ease);
}

.nav-cta:hover {
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: var(--ink);
}

.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

/* ——— Buttons ——— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border: none;
  border-radius: 10px;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: transform 0.35s var(--ease), background 0.3s, color 0.3s, box-shadow 0.3s;
}

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

.btn-primary {
  background: var(--orange);
  color: var(--white);
  box-shadow: 0 12px 28px rgba(249, 152, 49, 0.28);
}

.btn-primary:hover {
  background: var(--orange-deep);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.45);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--white);
}

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

.btn-ink:hover {
  background: var(--orange);
}

.btn-outline {
  border: 1.5px solid var(--ink);
  color: var(--ink);
}

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

/* ——— Hero ——— */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: calc(var(--nav-h) + 24px) 0 56px;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  animation: heroKen 28s ease-in-out infinite alternate;
}

@keyframes heroKen {
  from { transform: scale(1.06) translate(0, 0); }
  to { transform: scale(1.12) translate(-1.5%, -1%); }
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(18, 22, 28, 0.35) 0%, rgba(18, 22, 28, 0.55) 45%, rgba(18, 22, 28, 0.82) 100%),
    linear-gradient(90deg, rgba(18, 22, 28, 0.5) 0%, transparent 55%);
}

.hero-content {
  position: relative;
  z-index: 1;
  color: var(--white);
  max-width: 720px;
}

.brand-lockup {
  margin-bottom: 20px;
  opacity: 0;
  animation: riseIn 0.9s var(--ease) 0.15s forwards;
}

.brand-lockup .brand-cn {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5.25rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.02em;
}

.brand-lockup .brand-en {
  display: block;
  margin-top: 8px;
  font-family: var(--font-display);
  font-size: clamp(0.8rem, 1.8vw, 0.95rem);
  font-weight: 600;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 12px;
  opacity: 0;
  animation: riseIn 0.9s var(--ease) 0.35s forwards;
}

.hero .lead {
  font-size: clamp(0.9rem, 1.5vw, 1.02rem);
  color: rgba(255, 255, 255, 0.78);
  max-width: 34em;
  margin-bottom: 28px;
  opacity: 0;
  animation: riseIn 0.9s var(--ease) 0.5s forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  opacity: 0;
  animation: riseIn 0.9s var(--ease) 0.65s forwards;
}

.hero-scroll {
  position: absolute;
  right: max(24px, calc((100% - 1180px) / 2));
  bottom: 40px;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-family: var(--font-display);
}

.hero-scroll i {
  width: 1px;
  height: 48px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.6), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.7); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
}

@keyframes riseIn {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ——— Sections ——— */
.section {
  padding: 110px 0;
  position: relative;
}

.section-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 14px;
}

.section-head {
  max-width: 640px;
  margin-bottom: 56px;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 3.8vw, 2.75rem);
  font-weight: 750;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.section-head p {
  color: var(--steel);
  font-size: 1.05rem;
}

/* ——— Solutions ——— */
.solutions {
  background: var(--white);
}

.solutions::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--mist), transparent);
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}

.solution-item {
  padding: 36px 28px 40px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background 0.4s var(--ease);
}

.solution-item:nth-child(4n) {
  border-right: none;
}

.solution-item:hover {
  background: var(--cloud);
}

.solution-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.12em;
  color: var(--orange);
  margin-bottom: 28px;
}

.solution-icon {
  width: 52px;
  height: 52px;
  margin-bottom: 24px;
  color: var(--ink);
}

.solution-item h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.3;
}

.solution-item p {
  font-size: 0.92rem;
  color: var(--steel);
  line-height: 1.65;
}

/* ——— Impact ——— */
.impact {
  overflow: hidden;
}

.impact-panel {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}

.impact-visual {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow);
}

.impact-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.impact-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px 24px;
}

.stat {
  padding-top: 20px;
  border-top: 2px solid var(--orange);
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: 8px;
}

.stat span {
  font-size: 0.95rem;
  color: var(--steel);
}

.impact-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  font-weight: 750;
  line-height: 1.25;
  margin: 12px 0 18px;
}

.impact-copy > p {
  color: var(--steel);
  margin-bottom: 36px;
}

/* ——— Services strip ——— */
.services-strip {
  background: var(--ink);
  color: var(--white);
  padding: 96px 0;
}

.services-strip .section-label {
  color: var(--orange);
}

.services-strip .section-head h2 {
  color: var(--white);
}

.services-strip .section-head p {
  color: rgba(255, 255, 255, 0.55);
}

.service-rows {
  display: flex;
  flex-direction: column;
}

.service-row {
  display: grid;
  grid-template-columns: 80px 200px 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 28px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  transition: padding 0.35s var(--ease);
}

.service-row:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.service-row:hover {
  padding-left: 12px;
}

.service-row .idx {
  font-family: var(--font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--orange);
  letter-spacing: 0.08em;
}

.service-row h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
}

.service-row p {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.95rem;
}

.service-row .arrow {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  display: grid;
  place-items: center;
  transition: background 0.3s, border-color 0.3s, transform 0.35s var(--ease);
}

.service-row:hover .arrow {
  background: var(--orange);
  border-color: var(--orange);
  transform: rotate(-45deg);
}

/* ——— Franchise teaser ——— */
.franchise {
  background: var(--white);
}

.franchise-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: end;
}

.franchise-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.step:first-child {
  border-top: 1px solid var(--line);
}

.step-num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--orange);
  line-height: 1;
}

.step h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.step p {
  font-size: 0.9rem;
  color: var(--steel);
}

/* ——— About / Contact ——— */
.about-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.about-text p + p {
  margin-top: 16px;
}

.about-text p {
  color: var(--steel);
  font-size: 1.02rem;
}

.contact-panel {
  background: linear-gradient(145deg, #1a222c 0%, #12161c 100%);
  color: var(--white);
  padding: 48px 40px;
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.contact-panel::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -20%;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(249, 152, 49, 0.35), transparent 70%);
  pointer-events: none;
}

.contact-panel h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 28px;
  position: relative;
}

.contact-list {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-list dt {
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  font-family: var(--font-display);
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-list dd {
  font-size: 1.15rem;
  font-weight: 500;
}

.contact-list a:hover {
  color: var(--orange);
}

/* ——— Page hero (inner pages) ——— */
.page-hero {
  position: relative;
  padding: calc(var(--nav-h) + 80px) 0 72px;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(135deg, rgba(18, 22, 28, 0.88), rgba(18, 22, 28, 0.65)),
    url("../images/hero-warehouse.jpg") center / cover;
}

.page-hero .brand-mini {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 16px;
  font-weight: 700;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 16px;
}

.page-hero p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.05rem;
  max-width: 32em;
}

/* ——— Content blocks for inner pages ——— */
.content-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

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

.feature {
  padding-top: 24px;
  border-top: 2px solid var(--orange);
}

.feature h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature p {
  color: var(--steel);
  font-size: 0.95rem;
}

.prose {
  max-width: 720px;
}

.prose h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 750;
  margin: 40px 0 16px;
}

.prose p {
  color: var(--steel);
  margin-bottom: 16px;
  font-size: 1.02rem;
}

.prose ul {
  margin: 16px 0 24px;
  padding-left: 0;
}

.prose li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  color: var(--steel);
}

.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
}

/* ——— Footer ——— */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.65);
  padding: 64px 0 32px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo-text strong {
  color: var(--white);
}

.footer-brand .logo {
  margin-bottom: 18px;
}

.footer-brand p {
  font-size: 0.9rem;
  max-width: 28em;
  line-height: 1.7;
}

.footer-col h4 {
  font-family: var(--font-display);
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}

.footer-col a {
  display: block;
  font-size: 0.9rem;
  padding: 5px 0;
  transition: color 0.25s;
}

.footer-col a:hover {
  color: var(--orange);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 28px;
  font-size: 0.82rem;
}

.footer-bottom a:hover {
  color: var(--orange);
}

/* ——— Reveal animations ——— */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ——— Mobile ——— */
@media (max-width: 960px) {
  .solution-grid {
    grid-template-columns: 1fr 1fr;
  }

  .solution-item:nth-child(2n) {
    border-right: none;
  }

  .solution-item:nth-child(4n) {
    border-right: none;
  }

  .impact-panel,
  .franchise-layout,
  .about-block {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .service-row {
    grid-template-columns: 48px 1fr;
    gap: 12px 16px;
  }

  .service-row p {
    grid-column: 2;
  }

  .service-row .arrow {
    display: none;
  }

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

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

  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: grid;
  }

  .nav-links.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: rgba(18, 22, 28, 0.96);
    backdrop-filter: blur(12px);
    padding: 16px 24px 28px;
    gap: 4px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow);
  }

  .site-header.is-scrolled .nav-links.is-open {
    background: rgba(246, 248, 250, 0.97);
    border-bottom-color: var(--line);
  }

  .nav-links.is-open a {
    padding: 14px 12px;
    font-size: 1.05rem;
  }

  .hero-scroll {
    display: none;
  }
}

@media (max-width: 600px) {
  .container {
    width: calc(100% - 32px);
  }

  .section {
    padding: 72px 0;
  }

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

  .solution-item {
    border-right: none;
  }

  .impact-stats {
    grid-template-columns: 1fr;
  }

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

  .contact-panel {
    padding: 36px 28px;
  }

  .brand-lockup .brand-cn {
    font-size: 2.75rem;
  }

  .hero {
    padding-bottom: 40px;
  }

  .btn {
    padding: 12px 22px;
  }
}

/* ——— Track / 运单查询 ——— */
.page-hero--compact {
  padding-bottom: 56px;
}

.track-section {
  padding-top: 56px;
}

.track-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.7fr);
  gap: 40px 56px;
  align-items: start;
}

.track-form {
  grid-column: 1;
  background: var(--white);
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 4px;
}

.track-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 12px;
}

.track-field {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: start;
}

.track-field--multi textarea {
  width: 100%;
  min-height: 96px;
  padding: 14px 18px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
  font: inherit;
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--ink);
  resize: vertical;
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
}

.track-field--multi textarea::placeholder {
  color: #9aa5b1;
  letter-spacing: 0;
}

.track-field--multi textarea:focus {
  outline: none;
  border-color: var(--orange);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(249, 152, 49, 0.12);
}

.track-field input {
  width: 100%;
  height: 52px;
  padding: 0 18px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
  font: inherit;
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--ink);
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
}

.track-field input::placeholder {
  color: #9aa5b1;
  letter-spacing: 0;
}

.track-field input:focus {
  outline: none;
  border-color: var(--orange);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(249, 152, 49, 0.12);
}

.track-field .btn {
  height: 52px;
  padding-inline: 28px;
  white-space: nowrap;
}

.track-field--multi .btn {
  align-self: stretch;
  min-height: 96px;
}

.track-field .btn.is-loading {
  opacity: 0.75;
  pointer-events: none;
}

.track-empty.track-pending {
  border-left: 3px solid var(--orange);
}

.track-empty.track-pending h2 {
  color: var(--orange);
}

.track-pending-nos {
  font-weight: 600;
  word-break: break-all;
}

.track-error {
  margin-top: 12px;
  color: #c0392b;
  font-size: 0.9rem;
}

.track-results {
  grid-column: 1;
  display: grid;
  gap: 16px;
}

.track-result,
.track-empty {
  grid-column: 1;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 32px;
}

.track-results .track-result {
  grid-column: auto;
}

.track-result--miss {
  background: #faf7f5;
}

.track-miss-tip {
  margin-top: 8px;
  color: var(--steel);
  font-size: 0.92rem;
}

.track-empty h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.track-empty p {
  color: var(--steel);
}

.track-empty a {
  color: var(--orange);
  font-weight: 600;
}

.track-result-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 8px;
}

.track-no-block {
  min-width: 0;
}

.track-no-label {
  display: block;
  font-size: 0.82rem;
  color: var(--steel);
  margin-bottom: 4px;
}

.track-no {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink);
  word-break: break-all;
}

.track-status {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(249, 152, 49, 0.08);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
  color: var(--orange);
  margin-bottom: 0;
  flex-shrink: 0;
}

.track-status[data-tone="transit"] {
  color: var(--orange);
  background: rgba(249, 152, 49, 0.08);
}

.track-status[data-tone="delivery"] {
  color: #0f7a5a;
  background: rgba(15, 122, 90, 0.08);
}

.track-status[data-tone="done"] {
  color: #2a6f97;
  background: rgba(42, 111, 151, 0.08);
}

.track-status[data-tone="picked"] {
  color: #8a5a12;
  background: rgba(138, 90, 18, 0.08);
}

.track-status[data-tone="miss"] {
  color: #c0392b;
  background: rgba(192, 57, 43, 0.08);
}

.track-result-head h2 {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.track-meta {
  display: grid;
  gap: 12px;
  min-width: 200px;
}

.track-meta dt {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
  font-family: var(--font-display);
  font-weight: 600;
}

.track-meta dd {
  font-size: 0.95rem;
  font-weight: 500;
}

.track-timeline {
  list-style: none;
  margin: 0;
  padding: 8px 0 0;
}

.track-timeline--more {
  padding-top: 0;
}

.track-timeline--more li:first-child {
  padding-top: 8px;
}

.track-timeline li {
  position: relative;
  padding: 18px 0 18px 28px;
  border-left: 2px solid var(--mist);
  margin-left: 6px;
}

.track-timeline li::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 24px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--mist);
  border: 2px solid var(--white);
  box-shadow: 0 0 0 1px var(--mist);
}

.track-timeline li.is-active {
  border-left-color: var(--orange);
}

.track-timeline li.is-active::before {
  background: var(--orange);
  box-shadow: 0 0 0 1px var(--orange);
}

.track-timeline time {
  display: block;
  font-size: 0.82rem;
  color: var(--steel);
  margin-bottom: 4px;
  font-variant-numeric: tabular-nums;
}

.track-timeline p {
  font-size: 0.98rem;
  color: var(--ink-soft);
}

.track-timeline li.is-active p {
  color: var(--ink);
  font-weight: 500;
}

.track-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 4px 0 0 6px;
  padding: 10px 4px;
  color: var(--orange);
  font-size: 0.9rem;
  font-weight: 600;
}

.track-more-btn .track-more-label-open {
  display: none;
}

.track-more-btn.is-expanded .track-more-label {
  display: none;
}

.track-more-btn.is-expanded .track-more-label-open {
  display: inline;
}

.track-more-arrow {
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.2s var(--ease);
  margin-top: -4px;
}

.track-more-btn.is-expanded .track-more-arrow {
  transform: rotate(-135deg);
  margin-top: 2px;
}

.track-more-btn:hover {
  color: var(--orange-deep);
}

.track-help {
  grid-column: 2;
  grid-row: 1 / span 3;
  padding: 28px 0 0;
}

.track-help h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.track-help ul {
  margin-bottom: 28px;
}

.track-help li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 12px;
  font-size: 0.92rem;
  color: var(--steel);
}

.track-help li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
}

/* Homepage quick track */
.track-strip {
  position: relative;
  z-index: 2;
  margin-top: -36px;
  margin-bottom: 0;
  padding: 0 0 8px;
}

.track-strip-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 20px;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 18px 22px;
  box-shadow: var(--shadow);
}

.track-strip-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  white-space: nowrap;
}

.track-strip-label span {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 2px;
}

.track-strip form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  width: 100%;
}

.track-strip input {
  height: 46px;
  padding: 0 16px;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  font: inherit;
  font-size: 0.95rem;
}

.track-strip input:focus {
  outline: none;
  border-color: var(--orange);
  background: var(--white);
}

.track-strip .btn {
  height: 46px;
  padding-inline: 22px;
}

.track-strip-link {
  font-size: 0.88rem;
  color: var(--steel);
  white-space: nowrap;
  transition: color 0.25s;
}

.track-strip-link:hover {
  color: var(--orange);
}

.track-strip-error {
  grid-column: 1 / -1;
  margin: 0;
  color: #c0392b;
  font-size: 0.9rem;
}

@media (max-width: 960px) {
  .track-layout {
    grid-template-columns: 1fr;
  }

  .track-form,
  .track-result,
  .track-empty,
  .track-help {
    grid-column: 1;
  }

  .track-results {
    grid-column: 1;
  }

  .track-strip-inner {
    grid-template-columns: 1fr;
    gap: 14px;
  }
}

@media (max-width: 600px) {
  .track-field {
    grid-template-columns: 1fr;
  }

  .track-field--multi .btn {
    min-height: 52px;
  }

  .track-form,
  .track-result,
  .track-empty {
    padding: 24px 20px;
  }

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

/* ——— Verify modal ——— */
body.is-modal-open {
  overflow: hidden;
}

.verify-modal[hidden] {
  display: none !important;
}

.verify-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 24px;
}

.verify-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(18, 22, 28, 0.48);
  backdrop-filter: blur(2px);
}

.verify-dialog {
  position: relative;
  width: min(400px, 100%);
  background: var(--white);
  border-radius: 12px;
  padding: 28px 28px 24px;
  box-shadow: var(--shadow);
  animation: verify-in 0.28s var(--ease);
}

@keyframes verify-in {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.verify-close {
  position: absolute;
  top: 12px;
  right: 14px;
  width: 36px;
  height: 36px;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--steel);
}

.verify-close:hover {
  color: var(--ink);
}

.verify-dialog h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 750;
  margin-bottom: 6px;
}

.verify-desc {
  color: var(--steel);
  font-size: 0.92rem;
  margin-bottom: 18px;
}

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

#captchaCanvas {
  display: block;
  border-radius: 8px;
  border: 1px solid var(--line);
  cursor: pointer;
  background: var(--cloud);
}

.verify-refresh {
  color: var(--orange);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.verify-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--steel);
  margin-bottom: 8px;
}

.verify-input {
  width: 100%;
  height: 48px;
  padding: 0 14px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
  font: inherit;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.verify-input:focus {
  outline: none;
  border-color: var(--orange);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(249, 152, 49, 0.12);
}

.verify-error {
  margin-top: 10px;
  color: #c0392b;
  font-size: 0.88rem;
}

.verify-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

@media (max-height: 780px) {
  .brand-lockup .brand-cn {
    font-size: clamp(2.4rem, 7vh, 4rem);
  }

  .hero h1 {
    font-size: 1.25rem;
  }

  .hero .lead {
    font-size: 0.9rem;
    margin-bottom: 18px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .hero {
    padding-bottom: 32px;
  }

  .brand-lockup {
    margin-bottom: 12px;
  }

  .hero-scroll {
    display: none;
  }
}