:root {
  color-scheme: light;
  --ink: #162126;
  --muted: #647079;
  --line: #d9e0df;
  --paper: #f7f5ef;
  --surface: #ffffff;
  --steel: #2f4858;
  --brick: #b65c38;
  --moss: #6d7f5f;
  --gold: #d7a84e;
  --shadow: 0 24px 70px rgba(22, 33, 38, 0.14);
}

* {
  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",
    sans-serif;
  line-height: 1.6;
}

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

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

.site-topbar {
  position: fixed;
  z-index: 21;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 7px clamp(18px, 4vw, 56px);
  color: rgba(255, 255, 255, 0.82);
  background: #121a1e;
  font-size: 13px;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 32px;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 56px);
  color: #fff;
  background: rgba(18, 26, 30, 0.78);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  border: 2px solid rgba(255, 255, 255, 0.8);
  background: var(--brick);
  font-weight: 800;
  overflow: hidden;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand strong,
.brand small {
  display: block;
  white-space: nowrap;
}

.brand small {
  color: rgba(255, 255, 255, 0.7);
  font-size: 12px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 15px;
}

.nav a {
  color: rgba(255, 255, 255, 0.82);
}

.nav a:hover {
  color: #fff;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #fff;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 132px clamp(20px, 6vw, 72px) 88px;
  color: #fff;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.04);
  transform: scale(1.03);
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(11, 18, 21, 0.9), rgba(11, 18, 21, 0.56) 50%, rgba(11, 18, 21, 0.2)),
    linear-gradient(0deg, rgba(11, 18, 21, 0.84), rgba(11, 18, 21, 0.1) 50%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, 100%);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(40px, 7vw, 76px);
  line-height: 1.05;
  letter-spacing: 0;
}

.hero-copy {
  width: min(680px, 100%);
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 19px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
  cursor: pointer;
}

.button.primary {
  background: var(--brick);
  color: #fff;
  box-shadow: 0 16px 40px rgba(182, 92, 56, 0.28);
}

.button.secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.08);
}

.button.muted {
  color: var(--ink);
  border-color: var(--line);
  background: #fff;
}

.about-section {
  background: #fff;
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: stretch;
}

.about-copy {
  padding: clamp(28px, 5vw, 46px);
  background: var(--paper);
  border-left: 6px solid var(--brick);
}

.about-copy h3 {
  margin-bottom: 16px;
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.24;
}

.about-copy p {
  color: var(--muted);
  font-size: 17px;
}

.about-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.about-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.about-panel div {
  display: flex;
  min-height: 150px;
  flex-direction: column;
  justify-content: flex-end;
  padding: 22px;
  color: #fff;
  background: var(--steel);
  border-top: 5px solid var(--gold);
}

.about-panel strong,
.about-panel span {
  display: block;
}

.about-panel strong {
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1;
}

.about-panel span {
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.75);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  background: var(--steel);
  color: #fff;
}

.metrics div {
  min-height: 138px;
  padding: 30px clamp(18px, 4vw, 44px);
  border-right: 1px solid rgba(255, 255, 255, 0.16);
}

.metrics strong,
.metrics span {
  display: block;
}

.metrics strong {
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1;
}

.metrics span {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.72);
}

.section,
.contact-section {
  padding: clamp(68px, 9vw, 112px) clamp(20px, 6vw, 72px);
}

.section-heading {
  width: min(780px, 100%);
  margin-bottom: 34px;
}

.section-heading.compact {
  margin-bottom: 0;
}

.section-heading h2,
.contact-section h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.18;
  letter-spacing: 0;
}

.section-heading p,
.contact-section > div > p {
  color: var(--muted);
  font-size: 17px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.service-card,
.project-item,
.quality-grid div,
.news-grid article,
.contact-form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 34px rgba(22, 33, 38, 0.06);
}

.service-card {
  min-height: 240px;
  padding: 28px;
}

.service-card.service-link {
  display: block;
  color: inherit;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.service-card.service-link:hover {
  transform: translateY(-3px);
  border-color: rgba(182, 92, 56, 0.45);
  box-shadow: var(--shadow);
}

.service-card.service-link:focus-visible {
  outline: 3px solid rgba(182, 92, 56, 0.35);
  outline-offset: 3px;
}

.service-more {
  display: inline-flex;
  margin-top: 18px;
  color: var(--brick);
  font-weight: 900;
}

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 36px;
  margin-bottom: 28px;
  color: #fff;
  background: var(--moss);
  border-radius: 4px;
  font-weight: 900;
}

.service-card h3,
.project-item h3,
.quality-grid h3 {
  margin-bottom: 10px;
  font-size: 21px;
  line-height: 1.28;
}

.service-card p,
.project-item p,
.quality-grid p,
.form-note {
  color: var(--muted);
}

.business-page {
  background: var(--paper);
}

.business-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 560px;
  padding: 180px clamp(20px, 6vw, 72px) 76px;
  overflow: hidden;
  color: #fff;
}

.business-hero::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(11, 18, 21, 0.9), rgba(11, 18, 21, 0.42)),
    linear-gradient(0deg, rgba(11, 18, 21, 0.72), rgba(11, 18, 21, 0));
}

.business-hero-media,
.business-hero-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.business-hero-media img {
  object-fit: cover;
}

.business-hero-content {
  position: relative;
  z-index: 1;
  width: min(980px, 100%);
}

.business-hero h1 {
  margin-bottom: 18px;
  font-size: clamp(44px, 7vw, 82px);
  line-height: 1.05;
  letter-spacing: 0;
}

.business-hero-content > p:not(.eyebrow) {
  width: min(720px, 100%);
  color: rgba(255, 255, 255, 0.84);
  font-size: 19px;
}

.business-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.business-tabs a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 9px 14px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  font-weight: 800;
}

.business-detail-section {
  scroll-margin-top: 124px;
  padding: clamp(66px, 8vw, 104px) clamp(20px, 6vw, 72px);
  border-bottom: 1px solid var(--line);
}

.business-detail-section:nth-of-type(odd) {
  background: #fff;
}

.business-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(26px, 5vw, 54px);
  align-items: start;
  width: min(1180px, 100%);
  margin: 0 auto;
}

.business-detail-layout.text-only {
  grid-template-columns: minmax(0, 1fr);
}

.business-detail-layout.text-only .business-points {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.business-copy h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.18;
}

.business-copy > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 17px;
}

.business-points {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 26px 0 0;
  list-style: none;
}

.business-points li {
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--moss);
  border-radius: 8px;
}

.business-points strong,
.business-points span {
  display: block;
}

.business-points span {
  margin-top: 4px;
  color: var(--muted);
}

.business-media-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.business-media-grid figure {
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 34px rgba(22, 33, 38, 0.06);
}

.business-media-grid .wide {
  grid-column: 1 / -1;
}

.business-media-grid img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.business-media-grid .wide img {
  height: 320px;
}

.business-media-grid figcaption {
  padding: 14px 16px 18px;
  font-weight: 800;
}

.business-cta {
  padding: clamp(58px, 8vw, 88px) clamp(20px, 6vw, 72px);
  background: #fff;
}

.business-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: clamp(26px, 4vw, 44px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.business-cta h2 {
  margin-bottom: 10px;
  font-size: clamp(28px, 4vw, 42px);
}

.business-cta p:not(.eyebrow) {
  color: var(--muted);
}

.credentials-section {
  padding: clamp(68px, 9vw, 112px) clamp(20px, 6vw, 72px);
  background: #fff;
}

.credential-feature {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

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

.credential-feature figure,
.data-gallery figure,
.honor-grid figure,
.office-gallery figure {
  overflow: hidden;
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 34px rgba(22, 33, 38, 0.06);
}

.credential-feature img,
.data-gallery img,
.honor-grid img,
.office-gallery img {
  width: 100%;
  background: #eef1ed;
}

.credential-feature img {
  height: clamp(300px, 28vw, 430px);
  object-fit: contain;
  padding: 14px;
  background: #f5f3ee;
}

.credential-feature figcaption,
.data-gallery figcaption,
.honor-grid figcaption,
.office-gallery figcaption {
  padding: 16px 18px 18px;
}

.credential-feature figcaption span,
.data-gallery figcaption span {
  display: block;
  margin-bottom: 6px;
  color: var(--brick);
  font-size: 13px;
  font-weight: 800;
}

.credential-feature figcaption strong,
.data-gallery figcaption strong {
  font-size: 22px;
}

.data-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.data-gallery .wide {
  grid-column: span 2;
}

.data-gallery img {
  display: block;
  height: clamp(260px, 30vw, 420px);
  object-fit: contain;
  padding: 10px;
  background: #f5f3ee;
}

.honor-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.honor-grid img {
  height: 230px;
  object-fit: contain;
  padding: 10px;
  background: #f5f3ee;
}

.honor-grid figcaption,
.office-gallery figcaption {
  color: var(--ink);
  font-weight: 800;
}

.office-gallery {
  margin-top: 18px;
}

.office-gallery img {
  height: clamp(300px, 32vw, 430px);
  object-fit: cover;
}

.office-building-card img {
  object-fit: contain;
  padding: 18px;
  background: #f5f3ee;
}

.media-section {
  padding: clamp(68px, 9vw, 112px) clamp(20px, 6vw, 72px);
  background: #172225;
  color: #fff;
}

.media-section .section-heading p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.72);
}

.site-video-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.55fr);
  gap: clamp(20px, 4vw, 42px);
  align-items: stretch;
}

.site-video {
  width: 100%;
  min-height: 360px;
  max-height: 620px;
  object-fit: cover;
  background: #0d1416;
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.video-caption {
  display: flex;
  min-height: 260px;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(22px, 4vw, 34px);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.video-caption span {
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
}

.video-caption strong {
  display: block;
  margin-top: 10px;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.1;
}

.video-caption p {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(28px, 6vw, 70px);
  background: #eef1ed;
}

.project-list {
  display: grid;
  gap: 14px;
}

.project-feature,
.project-photo-grid figure {
  overflow: hidden;
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 34px rgba(22, 33, 38, 0.06);
}

.project-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
}

.project-feature-media img,
.project-photo-grid img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.project-feature-media img {
  height: 100%;
  min-height: 360px;
  object-fit: contain;
  background: #f5f3ee;
}

.project-feature-content {
  padding: clamp(24px, 4vw, 38px);
}

.project-feature-content > span {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--brick);
  font-size: 13px;
  font-weight: 800;
}

.project-feature h3 {
  margin-bottom: 14px;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.2;
}

.project-feature p {
  color: var(--muted);
}

.project-stats {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.project-stats li {
  padding: 14px 16px;
  background: #f5f3ee;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.project-stats strong,
.project-stats span {
  display: block;
}

.project-stats strong {
  color: var(--ink);
  font-size: 18px;
}

.project-stats span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.project-photo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.project-site-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.project-photo-grid img {
  height: clamp(260px, 30vw, 360px);
  object-fit: contain;
  background: #f5f3ee;
}

.project-site-gallery figure {
  overflow: hidden;
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 34px rgba(22, 33, 38, 0.06);
}

.project-site-gallery .wide {
  grid-column: span 2;
}

.project-site-gallery img {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.project-site-gallery .wide img {
  height: 300px;
}

.project-photo-grid figcaption,
.project-site-gallery figcaption {
  padding: 14px 16px 16px;
  color: var(--ink);
  font-weight: 800;
}

.project-records {
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 44px rgba(22, 33, 38, 0.07);
}

.project-records-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.85fr);
  gap: 28px;
  padding: clamp(24px, 4vw, 38px);
  background: #f5f3ee;
  border-bottom: 1px solid var(--line);
}

.project-records-head > div > span {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--brick);
  font-size: 13px;
  font-weight: 800;
}

.project-records-head h3 {
  margin-bottom: 12px;
  font-size: clamp(24px, 3vw, 34px);
}

.project-records-head p {
  max-width: 680px;
  color: var(--muted);
}

.record-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  align-self: stretch;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.record-summary div {
  padding: 16px;
  background: #fff;
}

.record-summary dt {
  color: var(--ink);
  font-size: 24px;
  font-weight: 900;
}

.record-summary dd {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.record-type-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.record-type-strip div {
  padding: 18px 22px;
  background: #fff;
}

.record-type-strip strong,
.record-type-strip span {
  display: block;
}

.record-type-strip strong {
  color: var(--ink);
  font-size: 18px;
}

.record-type-strip span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
}

.records-table-wrap {
  overflow-x: auto;
}

.records-table {
  width: 100%;
  min-width: 1120px;
  border-collapse: collapse;
}

.records-table th,
.records-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.records-table th {
  background: #fbfaf7;
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
}

.records-table td {
  color: var(--ink);
  font-size: 14px;
  line-height: 1.55;
}

.records-table tbody tr:nth-child(even) {
  background: #fbfaf7;
}

.records-table tbody tr:hover {
  background: #f3f0e8;
}

.record-code {
  white-space: nowrap;
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 13px;
}

.record-name {
  min-width: 290px;
  font-weight: 800;
}

.record-type {
  display: inline-block;
  padding: 4px 9px;
  color: #56664c;
  background: #edf1ea;
  border: 1px solid #d9e1d4;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.records-note {
  margin: 0;
  padding: 14px 18px 18px;
  color: var(--muted);
  background: #fff;
  font-size: 13px;
}

.project-item {
  display: grid;
  grid-template-columns: minmax(180px, 0.8fr) minmax(0, 1.2fr);
  gap: 24px;
  padding: 24px;
}

.project-item span {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--brick);
  font-weight: 800;
  font-size: 13px;
}

.quality {
  background: var(--paper);
}

.quality-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.quality-grid div {
  min-height: 190px;
  padding: 28px;
  border-top: 5px solid var(--gold);
}

.news-section {
  background: #fff;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.news-grid article {
  min-height: 230px;
  padding: 26px;
  border-top: 5px solid var(--brick);
}

.news-grid span {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--brick);
  font-size: 13px;
  font-weight: 800;
}

.news-grid h3 {
  margin-bottom: 12px;
  font-size: 21px;
  line-height: 1.28;
}

.news-grid p {
  color: var(--muted);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(320px, 1fr);
  gap: clamp(30px, 7vw, 80px);
  align-items: start;
  color: #fff;
  background: var(--steel);
}

.contact-section .eyebrow {
  color: #f0c96f;
}

.contact-section > div > p {
  color: rgba(255, 255, 255, 0.75);
}

.wechat-qr {
  display: flex;
  align-items: center;
  gap: 18px;
  width: min(420px, 100%);
  margin-top: 28px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.wechat-qr a {
  display: block;
  flex: 0 0 auto;
}

.wechat-qr img {
  display: block;
  width: 118px;
  height: 118px;
  padding: 8px;
  border-radius: 6px;
  background: #fff;
}

.wechat-qr strong,
.wechat-qr span {
  display: block;
}

.wechat-qr strong {
  color: #fff;
  font-size: 18px;
}

.wechat-qr span {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.72);
  word-break: break-all;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  color: var(--ink);
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 7px;
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: #fff;
  font: inherit;
}

.contact-form textarea {
  resize: vertical;
}

.form-note {
  margin: 0;
  font-size: 13px;
}

.site-footer {
  align-items: center;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(20px, 6vw, 72px);
  color: rgba(255, 255, 255, 0.78);
  background: #121a1e;
}

.footer-qr {
  align-items: center;
  display: flex;
  gap: 12px;
  color: #fff;
  font-weight: 800;
}

.footer-qr img {
  width: 64px;
  height: 64px;
  padding: 5px;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.24);
}

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

.site-footer strong {
  color: #fff;
}

@media (max-width: 980px) {
  .service-grid,
  .quality-grid,
  .news-grid,
  .honor-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .split-section,
  .about-layout,
  .project-feature,
  .credential-feature,
  .data-gallery,
  .project-site-gallery,
  .project-records-head,
  .record-type-strip,
  .office-gallery,
  .contact-section,
  .business-detail-layout {
    grid-template-columns: 1fr;
  }

  .data-gallery .wide,
  .project-site-gallery .wide {
    grid-column: span 1;
  }

  .project-feature-media img {
    height: auto;
    min-height: 0;
  }

  .site-video-wrap {
    grid-template-columns: 1fr;
  }

  .business-cta-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .site-topbar {
    position: static;
    flex-direction: column;
    gap: 2px;
    padding: 8px 16px;
  }

  .site-header {
    top: 0;
    align-items: flex-start;
  }

  .nav-toggle {
    display: block;
  }

  .nav {
    position: absolute;
    top: 78px;
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    background: #121a1e;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 8px;
  }

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

  .nav a {
    padding: 12px;
  }

  .hero {
    min-height: 88vh;
    padding-top: 118px;
    padding-bottom: 58px;
  }

  .hero-overlay {
    background: linear-gradient(0deg, rgba(11, 18, 21, 0.9), rgba(11, 18, 21, 0.42));
  }

  .service-grid,
  .quality-grid,
  .honor-grid,
  .news-grid,
  .about-panel,
  .project-photo-grid,
  .project-site-gallery,
  .data-gallery,
  .metrics,
  .record-summary,
  .project-item {
    grid-template-columns: 1fr;
  }

  .business-hero {
    min-height: 620px;
    padding-top: 138px;
  }

  .business-tabs {
    display: grid;
    grid-template-columns: 1fr;
  }

  .business-media-grid {
    grid-template-columns: 1fr;
  }

  .business-detail-layout.text-only .business-points {
    grid-template-columns: 1fr;
  }

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

  .business-media-grid img,
  .business-media-grid .wide img {
    height: 240px;
  }

  .project-photo-grid img,
  .project-site-gallery img,
  .project-site-gallery .wide img {
    height: 240px;
  }

  .metrics div {
    min-height: 112px;
  }

  .credential-feature img,
  .data-gallery img,
  .honor-grid img {
    height: 240px;
  }

.office-gallery img {
  height: 260px;
}

.site-video {
  min-height: 260px;
}

.site-footer {
  flex-direction: column;
}
}

.calculator-page {
  background: var(--paper);
}

.calculator-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 32px;
  align-items: end;
  padding: 164px clamp(20px, 6vw, 72px) 54px;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(18, 26, 30, 0.96), rgba(18, 26, 30, 0.82)),
    #121a1e;
}

.calculator-hero h1 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: 58px;
  line-height: 1.08;
}

.calculator-hero p:not(.eyebrow) {
  max-width: 760px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
}

.calculator-formula {
  display: grid;
  gap: 10px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.calculator-formula span,
.calculator-formula small {
  color: rgba(255, 255, 255, 0.72);
}

.calculator-formula strong {
  font-size: 22px;
  line-height: 1.35;
}

.calculator-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.82fr);
  gap: 24px;
  align-items: start;
  padding: 34px clamp(20px, 6vw, 72px);
}

.bid-ranking-shell {
  grid-template-columns: minmax(0, 1fr) 330px;
  padding-top: 0;
  padding-bottom: 72px;
}

.calculator-panel,
.result-panel,
.shortlist-panel {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 18px 46px rgba(22, 33, 38, 0.08);
}

.wide-panel {
  min-width: 0;
}

.panel-title {
  margin-bottom: 20px;
}

.panel-title h2,
.shortlist-panel h2 {
  margin-bottom: 0;
  font-size: 26px;
  line-height: 1.25;
}

.split-title {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
}

.bid-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.bid-form label,
.bulk-input {
  display: grid;
  gap: 8px;
}

.bid-form span,
.bulk-input label {
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.bid-form input,
.bulk-input textarea,
.bid-table input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

.bid-form input,
.bid-table input {
  height: 46px;
  padding: 10px 12px;
}

.bulk-input textarea {
  min-height: 108px;
  padding: 12px;
  resize: vertical;
}

.calculator-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.bid-form .calculator-actions {
  grid-column: 1 / -1;
  padding-top: 4px;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.result-grid div {
  display: grid;
  min-height: 104px;
  align-content: center;
  gap: 8px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #faf9f4;
}

.result-grid span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.result-grid strong {
  font-size: 20px;
  line-height: 1.2;
}

.calculator-note {
  margin: 18px 0 0;
  color: var(--muted);
}

.calculator-note.is-error {
  color: var(--brick);
  font-weight: 800;
}

.bulk-input {
  margin-bottom: 20px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #faf9f4;
}

.bulk-input .button {
  justify-self: start;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.bid-table {
  width: 100%;
  min-width: 920px;
  border-collapse: collapse;
  background: #fff;
}

.bid-table th,
.bid-table td {
  padding: 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

.bid-table th {
  color: var(--muted);
  background: #f4f1ea;
  font-size: 13px;
  white-space: nowrap;
}

.bid-table tr:last-child td {
  border-bottom: 0;
}

.bid-table tr.is-shortlisted {
  background: rgba(109, 127, 95, 0.12);
}

.rank-status {
  display: inline-flex;
  min-width: 64px;
  justify-content: center;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(109, 127, 95, 0.14);
  color: var(--moss);
  font-size: 13px;
  font-weight: 800;
}

.text-button {
  border: 0;
  background: transparent;
  color: var(--brick);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.shortlist-panel {
  position: sticky;
  top: 128px;
}

.shortlist-panel ol {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.shortlist-panel li {
  display: grid;
  gap: 4px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #faf9f4;
}

.shortlist-panel li strong {
  line-height: 1.3;
}

.shortlist-panel li span {
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 980px) {
  .calculator-hero,
  .calculator-shell,
  .bid-ranking-shell {
    grid-template-columns: 1fr;
  }

  .shortlist-panel {
    position: static;
  }
}

@media (max-width: 720px) {
  .calculator-hero {
    padding-top: 120px;
  }

  .calculator-hero h1 {
    font-size: 40px;
  }

  .calculator-formula strong {
    font-size: 18px;
  }

  .bid-form,
  .result-grid {
    grid-template-columns: 1fr;
  }

  .split-title {
    flex-direction: column;
  }
}

.finance-page {
  background: #eef1ed;
}

.finance-app {
  min-height: 100vh;
  padding: 132px clamp(14px, 3vw, 32px) 54px;
}

.finance-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
  gap: 18px;
  align-items: stretch;
  margin-bottom: 18px;
  padding: clamp(26px, 5vw, 44px);
  color: #fff;
  background:
    linear-gradient(135deg, rgba(18, 26, 30, 0.96), rgba(47, 72, 88, 0.92)),
    url("./assets/gallery/project-concrete-road.jpg") center/cover;
  border-radius: 8px;
}

.finance-hero h1 {
  margin-bottom: 14px;
  font-size: clamp(34px, 5vw, 56px);
}

.finance-hero p:not(.eyebrow) {
  width: min(760px, 100%);
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
}

.finance-hero-panel {
  align-self: end;
  padding: 22px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
}

.finance-hero-panel span,
.finance-hero-panel strong,
.finance-hero-panel small {
  display: block;
}

.finance-hero-panel span {
  color: var(--gold);
  font-weight: 900;
}

.finance-hero-panel strong {
  margin: 8px 0;
  font-size: 22px;
  line-height: 1.25;
}

.finance-hero-panel small {
  color: rgba(255, 255, 255, 0.72);
}

.finance-toolbar,
.finance-kpis,
.finance-layout,
.finance-dashboard {
  display: grid;
  gap: 14px;
  margin-bottom: 14px;
}

.finance-toolbar {
  grid-template-columns: 190px 160px minmax(220px, 1fr) auto auto auto;
  align-items: end;
  padding: 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.finance-toolbar label,
.finance-form-grid label {
  display: grid;
  gap: 6px;
}

.finance-toolbar span,
.finance-form-grid span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.finance-toolbar input,
.finance-toolbar select,
.finance-form-grid input,
.finance-form-grid select {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}

.finance-kpis {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.finance-kpis div,
.finance-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(22, 33, 38, 0.07);
}

.finance-kpis div {
  min-height: 138px;
  padding: 22px;
}

.finance-kpis span,
.finance-kpis small {
  display: block;
}

.finance-kpis span {
  color: var(--muted);
  font-weight: 800;
}

.finance-kpis strong {
  display: block;
  margin: 12px 0 8px;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1;
}

.finance-kpis small {
  color: var(--moss);
  font-weight: 800;
}

.finance-layout {
  grid-template-columns: minmax(0, 1.2fr) minmax(360px, 0.8fr);
  align-items: start;
}

.finance-dashboard {
  grid-template-columns: minmax(0, 1.25fr) minmax(340px, 0.75fr);
  align-items: start;
}

.finance-panel {
  padding: 22px;
}

.finance-panel .panel-title {
  margin-bottom: 18px;
}

.finance-form-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.finance-form-grid.compact {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.finance-wide {
  grid-column: 1 / -1;
}

.finance-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.finance-badge,
.finance-status,
.finance-kind {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 9px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 900;
}

.finance-badge,
.finance-status {
  color: var(--steel);
  background: rgba(47, 72, 88, 0.1);
}

.finance-kind.income {
  color: #266042;
  background: rgba(109, 127, 95, 0.16);
}

.finance-kind.expense {
  color: #8a3a22;
  background: rgba(182, 92, 56, 0.14);
}

.finance-table {
  width: 100%;
  min-width: 860px;
  border-collapse: collapse;
}

.finance-table th,
.finance-table td {
  padding: 13px 12px;
  text-align: left;
  vertical-align: middle;
  border-bottom: 1px solid var(--line);
}

.finance-table th {
  color: var(--muted);
  background: #f6f6f1;
  font-size: 13px;
  white-space: nowrap;
}

.finance-table td strong,
.finance-table td span {
  display: block;
}

.finance-table td span {
  color: var(--muted);
  font-size: 13px;
}

.finance-progress {
  display: grid;
  gap: 6px;
  min-width: 130px;
}

.finance-progress span {
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

.finance-progress i,
.cashflow-row div,
.cost-row div {
  position: relative;
  display: block;
  overflow: hidden;
  height: 8px;
  background: #e8ece8;
  border-radius: 999px;
}

.finance-progress b,
.cashflow-row i,
.cost-row i {
  display: block;
  height: 100%;
  background: var(--moss);
  border-radius: inherit;
}

.cashflow-chart,
.cost-chart {
  display: grid;
  gap: 14px;
}

.cashflow-row {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 8px 12px;
  align-items: center;
}

.cashflow-row > span {
  grid-row: span 2;
  color: var(--muted);
  font-weight: 900;
}

.cashflow-row div {
  height: 24px;
}

.cashflow-row i {
  position: absolute;
  left: 0;
  top: 0;
}

.cashflow-row small {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  height: 100%;
  padding-left: 8px;
  font-weight: 800;
}

.cashflow-row .income-bar {
  background: rgba(109, 127, 95, 0.55);
}

.cashflow-row .expense-bar {
  background: rgba(182, 92, 56, 0.45);
}

.cost-row {
  display: grid;
  grid-template-columns: 92px 86px minmax(120px, 1fr) 54px;
  gap: 10px;
  align-items: center;
}

.cost-row span {
  font-weight: 900;
}

.cost-row strong,
.cost-row small {
  color: var(--muted);
}

.cost-row i {
  background: var(--brick);
}

.finance-empty {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 1180px) {
  .finance-toolbar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .finance-search {
    grid-column: 1 / -1;
  }

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

@media (max-width: 980px) {
  .finance-hero,
  .finance-layout,
  .finance-dashboard,
  .finance-kpis {
    grid-template-columns: 1fr;
  }

  .finance-app {
    padding-top: 116px;
  }
}

@media (max-width: 720px) {
  .finance-toolbar,
  .finance-form-grid,
  .finance-form-grid.compact {
    grid-template-columns: 1fr;
  }

  .finance-panel {
    padding: 16px;
  }

  .finance-toolbar .button {
    width: 100%;
  }

  .cost-row {
    grid-template-columns: 1fr;
  }
}