:root {
  --bg: #f7fbff;
  --bg-soft: #edf5ff;
  --panel: rgba(255, 255, 255, 0.94);
  --panel-strong: #ffffff;
  --line: #d7e3f2;
  --text: #18324d;
  --muted: #62768a;
  --brand: #6f9af6;
  --brand-deep: #436fcf;
  --brand-soft: #e9f1ff;
  --shadow-lg: 0 28px 70px rgba(42, 76, 124, 0.12);
  --shadow-md: 0 14px 36px rgba(42, 76, 124, 0.08);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: linear-gradient(180deg, #fbfdff, #f6f9fe);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(215, 227, 242, 0.95);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 84px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  color: white;
  font-size: 19px;
  font-weight: 700;
  background: linear-gradient(135deg, #88afff, #597fd8);
  box-shadow: 0 14px 30px rgba(89, 127, 216, 0.26);
}

.brand-copy small {
  display: block;
  color: var(--brand-deep);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.brand-copy strong {
  display: block;
  margin-top: 4px;
  font-size: 18px;
}

.brand-copy span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-left: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
}

.nav a {
  position: relative;
  padding: 8px 0;
}

.nav a.current,
.nav a:hover,
.footer-nav a:hover {
  color: var(--brand-deep);
}

.nav a.current::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  border-radius: 999px;
  background: var(--brand);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  padding: 4px;
  gap: 4px;
  border-radius: 999px;
  background: white;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}

.lang-btn {
  border: 0;
  border-radius: 999px;
  padding: 9px 14px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
}

.lang-btn.active {
  color: white;
  background: linear-gradient(135deg, #7fa6ff, #587ed8);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  border-radius: 999px;
  border: 0;
  font-size: 14px;
  font-weight: 600;
}

.header-cta,
.button.primary {
  color: white;
  background: linear-gradient(135deg, #80a8ff, #5d83db);
  box-shadow: 0 16px 30px rgba(93, 131, 219, 0.24);
}

.button.secondary,
.button.ghost {
  color: var(--brand-deep);
  background: white;
  border: 1px solid var(--line);
}

.mobile-nav {
  display: none;
  gap: 18px;
  overflow-x: auto;
  padding-bottom: 14px;
  white-space: nowrap;
  color: var(--muted);
  font-size: 14px;
}

.hero,
.page-hero {
  padding: 72px 0 86px;
}

.section-tight {
  padding-top: 0;
}

.page-hero.compact {
  padding-bottom: 58px;
}

.hero-grid,
.split,
.showcase-grid,
.contact-layout {
  display: grid;
  gap: 24px;
}

.image-card {
  overflow: hidden;
  padding: 0;
}

.image-card img,
.hero-photo img,
.product-photo img,
.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-grid {
  grid-template-columns: 1.06fr 0.94fr;
  align-items: center;
}

.split {
  grid-template-columns: 0.94fr 1.06fr;
}

.showcase-grid {
  grid-template-columns: 1.05fr 0.95fr;
}

.contact-layout {
  grid-template-columns: 0.92fr 1.08fr;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--brand-deep);
  background: white;
  border: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.cn-name {
  margin-top: 18px;
  font-size: 22px;
  font-weight: 700;
}

.hero-copy {
  padding-right: 10px;
}

.hero-title {
  margin: 18px 0 0;
  color: var(--brand-deep);
  font-size: clamp(38px, 5.4vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.hero-en-name {
  margin-top: 14px;
}

.hero-intro {
  max-width: 760px;
}

.en-name {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1,
.page-hero h1 {
  margin: 20px 0 0;
  font-size: clamp(28px, 3.6vw, 42px);
  line-height: 1.22;
  letter-spacing: -0.04em;
}

.hero h1 span,
.page-hero h1 span {
  display: block;
  color: var(--brand-deep);
}

.lead {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.95;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero-notes,
.info-strip,
.grid-2,
.grid-3,
.grid-4,
.visual-grid,
.form-grid {
  display: grid;
  gap: 18px;
}

.hero-notes {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 34px;
}

.info-strip {
  grid-template-columns: repeat(4, 1fr);
  margin-top: 28px;
}

.info-strip-3 {
  grid-template-columns: repeat(3, 1fr);
}

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

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

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

.visual-grid {
  grid-template-columns: repeat(2, 1fr);
  margin-top: 24px;
}

.form-grid {
  grid-template-columns: repeat(2, 1fr);
  margin-top: 24px;
}

.note-card,
.card,
.business-card,
.process-card,
.contact-item,
.info-pill,
.map-card,
.share-card,
.form-card,
.visual-panel,
.media-placeholder {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}

.note-card,
.card,
.business-card,
.process-card,
.map-card,
.share-card,
.form-card,
.media-placeholder {
  padding: 28px;
  border-radius: var(--radius-xl);
}

.note-card {
  padding: 20px;
  border-radius: var(--radius-lg);
}

.note-card small,
.info-pill small,
.contact-item small {
  display: block;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.note-card strong,
.info-pill strong {
  display: block;
  margin-top: 10px;
  font-size: 16px;
  line-height: 1.55;
}

.visual-panel {
  padding: 20px;
  border-radius: 34px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-lg);
}

.hero-photo {
  overflow: hidden;
  height: 312px;
  margin-top: 18px;
  border-radius: 24px;
  border: 1px solid #dbe7f6;
  box-shadow: var(--shadow-md);
}

.hero-grid-compact {
  align-items: start;
  gap: 20px;
}

.visual-panel-flat {
  align-self: start;
}

.visual-core-compact {
  padding: 18px;
}

.floating-box-compact {
  margin-top: 14px;
  padding: 18px 20px;
}

.visual-core {
  padding: 28px;
  border-radius: 28px;
  background: #ffffff;
  border: 1px solid #dce7f6;
}

.visual-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.visual-top small {
  display: block;
  color: var(--brand-deep);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.visual-top strong {
  display: block;
  margin-top: 10px;
  font-size: 28px;
  line-height: 1.2;
}

.visual-mark {
  width: 66px;
  height: 66px;
  border-radius: 22px;
  background: linear-gradient(135deg, #8cb2ff, #d3e4ff);
}

.visual-card {
  padding: 18px;
  border-radius: 22px;
  background: white;
  border: 1px solid #dbe6f6;
}

.visual-card small {
  color: var(--muted);
  font-size: 13px;
}

.visual-block {
  height: 104px;
  margin-top: 12px;
  border-radius: 18px;
  background: linear-gradient(135deg, #e8f1ff, #fbfdff);
}

.visual-lines {
  height: 104px;
  margin-top: 12px;
  padding: 18px;
  border-radius: 18px;
  background: #f7fbff;
}

.visual-lines span {
  display: block;
  height: 8px;
  margin-bottom: 12px;
  border-radius: 999px;
  background: #d7e3f4;
}

.visual-lines span:first-child {
  width: 100%;
  background: #84aaff;
}

.visual-lines span:nth-child(2) {
  width: 82%;
}

.visual-lines span:nth-child(3) {
  width: 58%;
}

.floating-box {
  margin-top: 18px;
  padding: 22px;
  border-radius: 24px;
  background: white;
  border: 1px solid #dce6f5;
}

.floating-box small {
  display: block;
  color: var(--brand-deep);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.floating-box strong {
  display: block;
  margin-top: 10px;
  font-size: 23px;
}

.floating-box p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.section {
  padding: 92px 0;
}

.section-head {
  max-width: 760px;
}

.section-head.center {
  margin: 0 auto;
  text-align: center;
}

.section-head-narrow {
  max-width: 720px;
}

.section-head h2 {
  margin: 18px 0 0;
  font-size: clamp(30px, 4.2vw, 46px);
  line-height: 1.18;
  letter-spacing: -0.04em;
}

.section-head p,
.card p,
.business-card p,
.process-card p,
.map-card p,
.share-card p,
.form-card p,
.media-placeholder p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.card h3,
.business-card h3,
.process-card h3,
.map-card h3,
.share-card h3,
.media-placeholder h3,
.form-card h3 {
  margin: 18px 0 0;
  font-size: 28px;
  line-height: 1.25;
}

.card h3,
.business-card h3,
.process-card h3 {
  font-size: 24px;
  line-height: 1.35;
}

.icon-badge {
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  color: var(--brand-deep);
  background: var(--brand-soft);
  font-weight: 700;
}

.sub-en {
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.about-card {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 0;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}

.about-photo {
  min-height: 250px;
}

.about-body {
  padding: 28px;
}

.product-photo {
  overflow: hidden;
  height: 220px;
  margin: -28px -28px 0;
  border-bottom: 1px solid #dbe7f6;
}

.product-photo--placeholder {
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at top right, rgba(128, 168, 255, 0.26), transparent 34%),
    linear-gradient(135deg, #eff5ff, #f8fbff 58%, #eef4ff);
}

.product-photo--placeholder span {
  color: var(--brand-deep);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.22em;
}

.product-photo--transport {
  background:
    radial-gradient(circle at top right, rgba(98, 194, 168, 0.2), transparent 34%),
    linear-gradient(135deg, #eef8ff, #f7fbff 58%, #edf6ff);
}

.product-photo--development {
  background:
    radial-gradient(circle at top right, rgba(124, 153, 223, 0.22), transparent 34%),
    linear-gradient(135deg, #f2f6ff, #fbfdff 58%, #eef3ff);
}

.office-scene,
.map-box {
  position: relative;
  overflow: hidden;
  height: 320px;
  margin-top: 22px;
  border-radius: 24px;
  background: #ffffff;
  border: 1px solid #dbe7f8;
}

.map-link {
  display: block;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.map-link:hover {
  transform: translateY(-2px);
  border-color: #c6d8f2;
  box-shadow: 0 18px 40px rgba(105, 132, 189, 0.12);
}

.office-scene::before {
  content: none;
}

.office-scene::after {
  content: none;
}

.home-gallery-section {
  padding-top: 4px;
}

.home-gallery-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 24px;
  align-items: center;
  padding: 28px;
  border-radius: var(--radius-xl);
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}

.home-gallery-copy h2 {
  margin: 18px 0 0;
  font-size: clamp(28px, 3.4vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.04em;
}

.home-gallery-copy p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.office-scene-home {
  height: 248px;
  margin-top: 0;
  border-radius: 24px;
}

.compact-contact {
  grid-template-columns: 0.92fr 1.08fr;
  align-items: start;
}

.compact-contact .map-card,
.compact-contact .card {
  min-height: 100%;
}

.business-card-plain {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  min-height: 238px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(243, 248, 255, 0.96));
}

.business-card-plain h3 {
  margin-top: 20px;
}

.notice-layout {
  max-width: 860px;
}

.notice-card {
  padding: 34px;
  border-radius: var(--radius-xl);
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}

.notice-meta {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--brand-deep);
  background: var(--brand-soft);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.notice-card h2 {
  margin: 20px 0 0;
  font-size: 32px;
  line-height: 1.28;
}

.notice-card p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.office-caption {
  margin-top: 14px;
  color: var(--muted);
  font-size: 13px;
}

.map-grid {
  display: none;
}

.map-road {
  display: none;
}

.map-road.one {
  left: -4%;
  right: -4%;
  top: 46%;
  height: 12px;
}

.map-road.two {
  left: 28%;
  top: -8%;
  bottom: -8%;
  width: 12px;
}

.map-road.three {
  left: 52%;
  top: 8%;
  bottom: -8%;
  width: 10px;
}

.map-pin {
  position: absolute;
  left: 52%;
  top: 44%;
  transform: translate(-50%, -50%);
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: linear-gradient(135deg, #7da6ff, #587ed8);
  box-shadow: 0 12px 24px rgba(88, 126, 216, 0.32);
}

.map-label {
  position: absolute;
  left: 52%;
  top: 55%;
  transform: translateX(-50%);
  padding: 10px 14px;
  border-radius: 14px;
  background: white;
  border: 1px solid #d8e5f5;
  box-shadow: var(--shadow-md);
  font-size: 13px;
  white-space: nowrap;
}

.map-buttons,
.share-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.share-list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.share-list li {
  padding: 14px 16px;
  border-radius: 16px;
  background: #f8fbff;
  border: 1px solid #dbe7f7;
  color: var(--muted);
  line-height: 1.8;
}

.info-pill {
  padding: 18px 20px;
  border-radius: 20px;
}

.contact-list {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.contact-item {
  padding: 20px 22px;
  border-radius: 20px;
}

.contact-item strong {
  display: block;
  margin-top: 10px;
  font-size: 18px;
  line-height: 1.6;
}

.field.full {
  grid-column: 1 / -1;
}

.field label {
  display: block;
  margin-bottom: 10px;
  color: #42586f;
  font-size: 14px;
  font-weight: 600;
}

.field input,
.field textarea {
  width: 100%;
  padding: 15px 16px;
  border: 1px solid #d6e3f4;
  border-radius: 18px;
  color: var(--text);
  background: #fbfdff;
}

.field textarea {
  min-height: 150px;
  resize: vertical;
}

.footer {
  padding: 28px 0 38px;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-copy strong {
  display: block;
  font-size: 18px;
}

.footer-copy span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
}

.footer-nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 1120px) {
  .hero-grid,
  .split,
  .showcase-grid,
  .contact-layout,
  .grid-4,
  .info-strip {
    grid-template-columns: 1fr 1fr;
  }

  .info-strip-3 {
    grid-template-columns: 1fr 1fr;
  }

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

  .contact-layout,
  .showcase-grid,
  .hero-grid,
  .split {
    grid-template-columns: 1fr;
  }

  .home-gallery-card,
  .compact-contact {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 940px) {
  .nav,
  .header-cta {
    display: none;
  }

  .mobile-nav {
    display: flex;
  }

  .header-row {
    align-items: flex-start;
    padding-top: 16px;
    padding-bottom: 10px;
  }

  .header-tools {
    margin-left: auto;
  }
}

@media (max-width: 820px) {
  .container {
    width: min(var(--container), calc(100% - 28px));
  }

  .hero,
  .page-hero,
  .section {
    padding: 72px 0;
  }

  .hero-notes,
  .info-strip,
  .info-strip-3,
  .grid-2,
  .grid-3,
  .grid-4,
  .visual-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: clamp(32px, 9vw, 46px);
  }

  .hero-photo,
  .office-scene,
  .map-box {
    height: 260px;
  }

  .office-scene-home {
    height: 220px;
  }

  .home-gallery-card {
    padding: 22px;
  }

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

  .lang-switch {
    flex-wrap: wrap;
    border-radius: 18px;
  }

  .map-label {
    white-space: normal;
    width: min(220px, 72%);
    text-align: center;
  }
}