:root {
  --ink: #17202a;
  --muted: #5f6b77;
  --line: #dce4ea;
  --paper: #fbfcfa;
  --panel: #ffffff;
  --ice: #dcebf4;
  --blue: #2e6582;
  --green: #5f7f6a;
  --amber: #d88a18;
  --amber-dark: #b36e0c;
  --navy: #153c71;
  --shadow: 0 10px 26px rgba(31, 45, 58, 0.1);
  --container: 1460px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  letter-spacing: 0;
}

body.nav-open {
  overflow: hidden;
}

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

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

button,
input,
select {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  min-height: 58px;
  padding: 7px max(24px, calc((100vw - var(--container)) / 2 + 24px));
  border-bottom: 1px solid rgba(220, 228, 234, 0.9);
  background: rgba(251, 252, 250, 0.92);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 128px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 4px;
  color: var(--navy);
  background: transparent;
}

.brand-mark svg {
  width: 36px;
  height: 36px;
  fill: currentColor;
}

.brand-mark path:last-child {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}

.brand strong {
  display: block;
  line-height: 1.1;
}

.brand strong {
  font-size: 1.16rem;
}

.site-nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: 28px;
  color: #283541;
  font-size: 0.88rem;
  font-weight: 600;
}

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

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--blue);
  border-color: var(--blue);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-switch,
.header-cta,
.btn {
  border-radius: 4px;
}

.lang-switch {
  min-width: 70px;
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line);
  color: var(--blue);
  background: #fff;
  font-size: 0.86rem;
  white-space: nowrap;
  cursor: pointer;
}

.hotline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--navy);
  white-space: nowrap;
}

.hotline-icon {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  color: var(--navy);
}

.hotline-icon svg {
  width: 23px;
  height: 23px;
  fill: currentColor;
}

.hotline small,
.hotline strong {
  display: block;
  line-height: 1.1;
}

.hotline small {
  margin-bottom: 3px;
  color: #526271;
  font-size: 0.72rem;
}

.hotline strong {
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: 0;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  color: #fff;
  background: var(--blue);
  font-weight: 700;
}

.nav-toggle {
  display: none;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
}

.nav-toggle span {
  display: block;
  width: 19px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: 330px;
  overflow: visible;
  isolation: isolate;
  z-index: 2;
  margin-bottom: 0;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 38%;
  filter: saturate(0.96) contrast(1.03);
}

.hero-overlay {
  display: none;
}

.hero-inner,
.section,
.site-footer {
  max-width: var(--container);
  margin: 0 auto;
}

.hero-inner {
  position: relative;
  min-height: 330px;
  padding: 56px 24px 0;
}

.hero-copy {
  max-width: 860px;
  padding-right: 18px;
}

.hero h1 {
  max-width: 720px;
  margin: 0;
  font-size: 2.62rem;
  line-height: 1.06;
  font-weight: 800;
}

.hero-text {
  max-width: 620px;
  margin: 14px 0 0;
  color: #2c3843;
  font-size: 0.94rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.hero-phone {
  display: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 18px;
  border: 1px solid transparent;
  font-weight: 800;
  font-size: 0.9rem;
  cursor: pointer;
}

.btn-primary {
  color: #fff;
  background: var(--amber);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--amber-dark);
}

.btn-secondary {
  color: var(--ink);
  border-color: #9fb3be;
  background: rgba(255, 255, 255, 0.75);
}

.trust-row {
  position: absolute;
  left: 24px;
  bottom: 24px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  width: min(820px, calc(100% - 420px));
  max-width: 820px;
  margin-top: 0;
}

.trust-row div {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  column-gap: 10px;
  align-items: center;
  min-height: 48px;
  padding: 0 20px 0 0;
  background: transparent;
}

.trust-row div + div {
  padding-left: 20px;
  border-left: 1px solid rgba(20, 60, 113, 0.18);
}

.trust-row div::before {
  display: none;
  content: none;
}

.trust-row strong,
.trust-row span {
  display: block;
}

.trust-icon {
  grid-row: 1 / span 2;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  color: var(--navy);
}

.trust-icon svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.65;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.trust-icon svg path:first-child {
  fill: none;
}

.trust-row strong {
  margin-bottom: 1px;
  font-size: 0.86rem;
  line-height: 1.2;
}

.trust-row span {
  color: #4f5c67;
  font-size: 0.68rem;
  line-height: 1.35;
}

.inquiry-card {
  position: absolute;
  z-index: 5;
  top: 88px;
  right: 24px;
  width: 300px;
  padding: 16px 18px;
  border: 1px solid rgba(220, 228, 234, 0.9);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 16px 38px rgba(31, 45, 58, 0.16);
}

.inquiry-card h2 {
  margin: 0 0 10px;
  font-size: 1.22rem;
}

.inquiry-card label {
  display: block;
  margin-bottom: 7px;
}

.inquiry-card label span {
  display: block;
  margin-bottom: 4px;
  color: #34424e;
  font-size: 0.72rem;
  font-weight: 700;
}

.inquiry-card input,
.inquiry-card select {
  width: 100%;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid #cdd8df;
  border-radius: 4px;
  color: var(--ink);
  background: #fff;
}

.form-submit {
  width: 100%;
  margin-top: 3px;
}

.form-status {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.68rem;
  line-height: 1.5;
}

.section {
  padding: 58px 24px;
}

.overview-section {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.58fr) minmax(320px, 0.9fr);
  gap: 22px;
  align-items: start;
  padding-top: 18px;
  padding-bottom: 34px;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

.overview-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  max-width: none;
  margin-bottom: 16px;
}

.overview-heading p:last-child {
  max-width: 470px;
  margin: 0;
  font-size: 0.92rem;
}

.section-heading.compact {
  margin-bottom: 24px;
}

.section-heading h2,
.split-copy h2,
.warehouse-copy h2,
.contact-section h2 {
  margin: 0;
  font-size: 1.65rem;
  line-height: 1.18;
}

.section-heading p:last-child,
.split-copy p,
.warehouse-copy p,
.contact-section p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.8;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.product-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  box-shadow: 0 6px 16px rgba(31, 45, 58, 0.055);
}

.product-card img {
  width: 100%;
  aspect-ratio: 1.18 / 1;
  object-fit: cover;
}

.product-body {
  padding: 14px;
}

.product-body h3 {
  margin: 0 0 8px;
  font-size: 1.12rem;
}

.product-body p {
  min-height: 78px;
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

.product-body dl {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
}

.product-body dl div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-top: 8px;
  border-top: 1px solid #edf1f4;
}

.product-body dt {
  color: var(--muted);
}

.product-body dd {
  margin: 0;
  font-weight: 800;
}

.overview-section .product-card {
  min-height: 132px;
}

.overview-section .product-card::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.76) 0%, rgba(255, 255, 255, 0.16) 42%, rgba(23, 32, 42, 0.1) 100%);
  content: "";
  pointer-events: none;
}

.overview-section .product-body {
  position: absolute;
  inset: 0;
  z-index: 1;
  padding: 12px;
}

.overview-section .product-body h3 {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.25;
}

.overview-section .product-body p,
.overview-section .product-body dl {
  display: none;
}

.quality-mini {
  margin-top: 28px;
}

.quality-mini-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 12px;
}

.quality-mini-head h2 {
  margin: 0;
  font-size: 1.35rem;
  line-height: 1.2;
}

.quality-mini-head p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.quality-mini-head a {
  color: #5c6b77;
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
}

.quality-card-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.quality-card-grid article {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
}

.quality-card-grid img {
  width: 100%;
  aspect-ratio: 1.45 / 1;
  object-fit: cover;
}

.quality-card-grid span {
  display: block;
  padding: 8px 8px;
  color: #34424e;
  background: #f3f6f8;
  font-size: 0.74rem;
  font-weight: 700;
  text-align: center;
}

.capacity-side {
  display: grid;
  gap: 14px;
  padding-top: 0;
}

.capacity-card {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 22px rgba(31, 45, 58, 0.07);
}

.capacity-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  align-items: center;
  min-height: 86px;
  padding: 16px 18px;
}

.capacity-item + .capacity-item {
  border-top: 1px solid #edf1f4;
}

.capacity-item:nth-child(1),
.capacity-item:nth-child(4) {
  grid-column: 1 / -1;
}

.capacity-item:nth-child(3) {
  border-left: 1px solid #edf1f4;
}

.capacity-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid #b6c8d3;
  border-radius: 50%;
  color: var(--blue);
  font-size: 0.7rem;
  font-weight: 900;
}

.capacity-item strong,
.capacity-item small {
  display: block;
}

.capacity-item strong {
  color: var(--ink);
  font-size: 1.35rem;
  line-height: 1.05;
}

.capacity-item small {
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
}

.warehouse-card {
  position: relative;
  margin: 0;
  overflow: hidden;
  min-height: 172px;
  border-radius: 4px;
  box-shadow: 0 8px 22px rgba(31, 45, 58, 0.09);
}

.warehouse-card img {
  width: 100%;
  height: 100%;
  min-height: 172px;
  object-fit: cover;
  object-position: center center;
}

.warehouse-card figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 20px;
  color: #fff;
  background: linear-gradient(180deg, rgba(23, 32, 42, 0), rgba(23, 32, 42, 0.88));
}

.warehouse-card strong,
.warehouse-card span {
  display: block;
}

.warehouse-card strong {
  font-size: 1rem;
}

.warehouse-card span {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.86rem;
  line-height: 1.55;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.88fr);
  gap: 44px;
  align-items: center;
}

.split-media img,
.warehouse-section img {
  width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.check-grid div,
.process-grid div,
.app-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.check-grid div {
  padding: 18px;
}

.check-grid strong,
.check-grid span {
  display: block;
}

.check-grid span {
  margin-top: 7px;
  color: var(--muted);
  font-size: 0.9rem;
}

.process-section {
  padding-top: 42px;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.process-grid div {
  padding: 22px;
}

.process-grid span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 24px;
  border-radius: 8px;
  color: #fff;
  background: var(--blue);
  font-weight: 800;
}

.process-grid strong {
  display: block;
  font-size: 1.08rem;
}

.process-grid p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.warehouse-section {
  display: grid;
  grid-template-columns: 0.72fr 1fr;
  gap: 36px;
  align-items: center;
  padding-top: 42px;
}

.warehouse-copy {
  padding: 34px;
  border-left: 4px solid var(--amber);
  background: #f4f8f8;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.app-grid article {
  min-height: 142px;
  padding: 24px;
  background:
    linear-gradient(180deg, rgba(220, 235, 244, 0.55), rgba(255, 255, 255, 0.96)),
    #fff;
}

.app-grid strong,
.app-grid span {
  display: block;
}

.app-grid strong {
  font-size: 1.08rem;
}

.app-grid span {
  margin-top: 12px;
  color: var(--muted);
  line-height: 1.6;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: 28px;
  align-items: center;
  margin-bottom: 42px;
  border-radius: 8px;
  background: var(--ink);
}

.contact-section,
.contact-section p {
  color: #fff;
}

.contact-section p {
  opacity: 0.78;
}

.contact-panel {
  display: grid;
  gap: 12px;
  padding: 24px;
  border-radius: 8px;
  color: var(--ink);
  background: #fff;
}

.contact-panel a,
.contact-panel span {
  display: block;
  padding-bottom: 12px;
  border-bottom: 1px solid #edf1f4;
  font-weight: 800;
}

.contact-panel span {
  color: var(--muted);
  border-bottom: 0;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px 24px 42px;
  color: var(--muted);
}

.site-footer strong,
.site-footer span {
  display: block;
}

.site-footer strong {
  color: var(--ink);
}

.site-footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: auto auto auto;
    gap: 14px;
  }

  .hotline small {
    display: none;
  }

  .hotline strong {
    font-size: 0.9rem;
  }

  .nav-toggle {
    display: block;
    justify-self: end;
  }

  .site-nav {
    position: fixed;
    inset: 58px 0 auto 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    justify-self: stretch;
    gap: 0;
    width: 100%;
    padding: 18px 24px;
    border-bottom: 1px solid var(--line);
    background: #fff;
    box-shadow: 0 20px 32px rgba(31, 45, 58, 0.12);
  }

  body.nav-open .site-nav {
    display: flex;
  }

  .site-nav a {
    padding: 16px 0;
    border-bottom: 1px solid #edf1f4;
    text-align: left;
  }

  .header-actions {
    justify-self: end;
  }

  .header-cta {
    display: none;
  }

  .hero-inner,
  .overview-section,
  .split-section,
  .warehouse-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    margin-bottom: 0;
  }

  .hero-inner {
    min-height: auto;
    padding-top: 46px;
  }

  .hero-copy {
    max-width: none;
    padding-right: 0;
  }

  .trust-row {
    position: static;
    width: auto;
    max-width: none;
    margin-top: 38px;
  }

  .inquiry-card {
    position: static;
    width: auto;
    margin-top: 24px;
  }

  .hero h1 {
    font-size: 2.35rem;
  }

  .product-grid,
  .quality-card-grid,
  .process-grid,
  .app-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .capacity-side {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 0.9fr);
    padding-top: 0;
  }

  .warehouse-card {
    min-height: 100%;
  }

  .warehouse-card img {
    min-height: 100%;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 62px;
    padding: 10px 16px;
    gap: 12px;
  }

  .brand {
    min-width: 0;
  }

  .brand strong {
    font-size: 1rem;
  }

  .brand small {
    font-size: 0.68rem;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .hotline {
    display: none;
  }

  .site-nav {
    inset: 62px 0 auto 0;
  }

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

  .hero-inner {
    padding-top: 54px;
    padding-bottom: 22px;
  }

  .hero h1 {
    font-size: 1.95rem;
  }

  .hero-text {
    font-size: 0.94rem;
  }

  .hero-phone {
    display: inline-flex;
    align-items: baseline;
    gap: 8px;
    margin-top: 14px;
    color: var(--navy);
    font-weight: 800;
  }

  .hero-phone span {
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 700;
  }

  .trust-row,
  .product-grid,
  .check-grid,
  .quality-card-grid,
  .process-grid,
  .app-grid {
    grid-template-columns: 1fr;
  }

  .capacity-side,
  .capacity-card {
    grid-template-columns: 1fr;
  }

  .capacity-item:nth-child(3) {
    border-left: 0;
  }

  .quality-mini-head {
    display: block;
  }

  .quality-mini-head a {
    display: inline-block;
    margin-top: 8px;
  }

  .overview-heading {
    display: block;
  }

  .overview-heading p:last-child {
    margin-top: 12px;
  }

  .trust-row div + div {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid rgba(151, 172, 185, 0.32);
  }

  .inquiry-card,
  .warehouse-copy {
    padding: 20px;
  }

  .section {
    padding-top: 52px;
    padding-bottom: 52px;
  }

  .section-heading h2,
  .split-copy h2,
  .warehouse-copy h2,
  .contact-section h2 {
    font-size: 1.76rem;
  }

  .product-body p {
    min-height: auto;
  }

  .contact-section {
    margin-left: 16px;
    margin-right: 16px;
    padding-left: 18px;
    padding-right: 18px;
  }

  .site-footer {
    display: block;
  }

  .site-footer p {
    margin-top: 12px;
  }
}