/* index_1 专用样式 — 中性商务布局 */
/* 部署时同步递增 url() 中的 ?v= 与 index.html 的 data-asset-version */
:root {
  --color-text: #2a2a2a;
  --color-text-secondary: #666666;
  --color-text-muted: #999999;
  --color-heading: #111111;
  --color-border: #e8e8e8;
  --color-bg: #f5f5f5;
  --color-surface: #ffffff;
  --color-dark: #1a1a1a;
  --color-brand: #3D5A73;
  --color-brand-dark: #2F4759;
  --color-brand-soft: rgba(61, 90, 115, 0.08);
  --color-brand-glow: rgba(61, 90, 115, 0.18);
  --color-brand-muted: rgba(61, 90, 115, 0.35);
  --color-brand-line: rgba(61, 90, 115, 0.45);
  --color-business-num: #D71921;
  --color-accent-red: #D71921;
  --color-accent-red-dark: #b8141c;
  --color-accent-red-dust: rgba(215, 25, 33, 0.22);
  --color-accent-red-soft: rgba(215, 25, 33, 0.08);
  --font-serif: 'Noto Serif SC', 'Songti SC', serif;
  --font-sans: 'Noto Sans SC', 'PingFang SC', sans-serif;
  --transition: 0.25s ease;
  --radius: 4px;
  --header-height: 68px;
  --max-width: 1140px;
  --glass-bg: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.35);
  --glass-blur: blur(8px);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-surface);
  line-height: 1.75;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition), opacity var(--transition);
}

ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

.section {
  padding: 96px 0;
}

.section + .section {
  position: relative;
}

.section + .section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 64px);
  max-width: calc(var(--max-width) - 64px);
  height: 1px;
  background: linear-gradient(
    to right,
    var(--color-border) 0%,
    var(--color-border) calc(50% - 32px),
    var(--color-brand) calc(50% - 32px),
    var(--color-brand) calc(50% + 32px),
    var(--color-border) calc(50% + 32px),
    var(--color-border) 100%
  );
}

.section-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--color-brand);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--color-brand);
  flex-shrink: 0;
}

.section-heading {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  font-weight: 600;
  color: var(--color-heading);
  line-height: 1.35;
}

.section-intro {
  max-width: 560px;
  margin-bottom: 56px;
}

.section-intro p {
  margin-top: 16px;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}

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

.btn-primary:hover {
  background: var(--color-brand-dark);
  border-color: var(--color-brand-dark);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.85rem;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.header .logo {
  width: 180px;
  height: 40px;
}

.header .logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left center;
}

.logo-img {
  display: block;
  flex-shrink: 0;
}

.nav {
  display: flex;
  gap: 32px;
}

.nav a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.88);
  transition: color var(--transition);
}

.header.scrolled .nav a {
  color: var(--color-text-secondary);
}

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

.header.scrolled .nav a:hover {
  color: var(--color-brand);
}

.header-cta {
  flex-shrink: 0;
}

.header:not(.scrolled) .header-cta {
  background: var(--glass-bg);
  border-color: var(--glass-border);
  color: #fff;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.header:not(.scrolled) .header-cta:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}

.header.scrolled .header-cta {
  background: var(--color-accent-red);
  border-color: var(--color-accent-red);
  color: #fff;
  box-shadow: 0 2px 8px rgba(215, 25, 33, 0.18);
}

.header.scrolled .header-cta:hover {
  background: var(--color-accent-red-dark);
  border-color: var(--color-accent-red-dark);
  color: #fff;
  box-shadow: 0 4px 12px rgba(215, 25, 33, 0.22);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  transition: all var(--transition);
}

.header.scrolled .menu-toggle span {
  background: var(--color-heading);
}

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: stretch;
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(22, 38, 52, 0.48) 0%,
    rgba(0, 0, 0, 0.12) 48%,
    rgba(0, 0, 0, 0.1) 100%
  );
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  padding-top: var(--header-height);
  padding-bottom: 64px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 48px;
  box-sizing: border-box;
}

.hero-content {
  max-width: 640px;
  color: #fff;
}

.hero-tag {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 20px;
  padding-left: 14px;
  border-left: 2px solid rgba(255, 255, 255, 0.35);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 10px;
}

.hero-name-en {
  font-size: clamp(0.7rem, 1.6vw, 0.9rem);
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 18px;
  font-weight: 400;
  line-height: 1.5;
}

.hero-desc {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
  letter-spacing: 0.05em;
}

.hero .btn-primary {
  background: var(--glass-bg);
  border-color: var(--glass-border);
  color: #fff;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.hero .btn-primary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}

.hero-metrics {
  display: flex;
  gap: 40px;
  flex-shrink: 0;
  padding: 28px 32px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-top: 3px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius);
}

.metric strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.2;
}

.metric span {
  font-size: 0.78rem;
  color: #fff;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.about {
  background: var(--color-surface);
}

.about-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 72px;
  align-items: stretch;
}

.about-lead {
  margin-top: 24px;
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.9;
  text-align: justify;
}

.about-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 36px;
}

.about-feature {
  position: relative;
  text-align: center;
  padding: 0 28px;
  background: none;
  border: none;
}

.about-feature + .about-feature::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8%;
  height: 84%;
  width: 1px;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    var(--color-border) 18%,
    var(--color-border) 82%,
    transparent 100%
  );
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 56px;
  margin: 0 auto 16px;
  padding: 0;
  background: none;
}

.feature-icon img {
  display: block;
  max-height: 48px;
  max-width: 100%;
  width: auto;
  object-fit: contain;
}

.about-feature h4 {
  font-family: var(--font-serif);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 6px;
  line-height: 1.4;
}

.feature-en {
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: 8px;
  text-transform: capitalize;
}

.feature-tags {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0;
}

.about-aside {
  position: relative;
  min-height: 0;
  overflow: hidden;
  border-radius: var(--radius);
}

.about-aside img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-year {
  position: absolute;
  bottom: 24px;
  left: 24px;
  padding: 16px 24px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: none;
  color: var(--color-heading);
  border-radius: var(--radius);
}

.about-year strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.75rem;
  line-height: 1;
  color: var(--color-heading);
}

.about-year span {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  margin-top: 4px;
  display: block;
}

.business {
  background: var(--color-surface);
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 12px;
}

.business-card {
  position: relative;
  background-color: var(--color-surface);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  overflow: hidden;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.business-card::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(
    to right,
    rgba(255, 255, 255, 0.98) 0%,
    rgba(255, 255, 255, 0.96) 42%,
    rgba(255, 255, 255, 0.72) 58%,
    rgba(255, 255, 255, 0.28) 100%
  );
  transition: opacity var(--transition);
}

.business-card:hover::after {
  opacity: 1;
}

.business-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-brand);
  opacity: 0;
  transition: opacity var(--transition);
  z-index: 2;
}

.business-card:hover {
  border-color: var(--color-brand-glow);
  box-shadow: 0 4px 20px var(--color-brand-soft);
}

.business-card:hover::before {
  opacity: 1;
}

.business-card--01 {
  grid-column: 1 / -1;
  min-height: 140px;
  background-image: url('../images/business/business-01-hotel-distribution.jpg?v=6');
  background-position: center right;
}

.business-card--02 {
  grid-column: 1 / 6;
  grid-row: 2 / 4;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background-image: url('../images/business/business-02-marketing.jpg?v=6');
  background-position: center right;
}

.business-card--02::after {
  background: linear-gradient(
    125deg,
    rgba(255, 255, 255, 0.98) 0%,
    rgba(255, 255, 255, 0.95) 38%,
    rgba(255, 255, 255, 0.62) 62%,
    rgba(255, 255, 255, 0.22) 100%
  );
}

.business-card--03 {
  grid-column: 6 / -1;
  grid-row: 2;
  min-height: 134px;
  background-image: url('../images/business/business-03-conference.jpg?v=6');
  background-position: center left;
}

.business-card--03::after {
  background: linear-gradient(
    to right,
    rgba(255, 255, 255, 0.98) 0%,
    rgba(255, 255, 255, 0.95) 48%,
    rgba(255, 255, 255, 0.68) 62%,
    rgba(255, 255, 255, 0.24) 100%
  );
}

.business-card--04 {
  grid-column: 6 / -1;
  grid-row: 3;
  min-height: 134px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background-image: url('../images/business/business-04-celebration.jpg?v=6');
  background-position: center left;
}

.business-card--04::after {
  background: linear-gradient(
    to left,
    rgba(255, 255, 255, 0.98) 0%,
    rgba(255, 255, 255, 0.94) 45%,
    rgba(255, 255, 255, 0.65) 60%,
    rgba(255, 255, 255, 0.22) 100%
  );
}

.business-card--05 {
  grid-column: 1 / 5;
  grid-row: 4;
  min-height: 160px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background-image: url('../images/business/business-05-team-building.jpg?v=6');
  background-position: center right;
}

.business-card--05::after {
  background: linear-gradient(
    to right,
    rgba(255, 255, 255, 0.98) 0%,
    rgba(255, 255, 255, 0.95) 46%,
    rgba(255, 255, 255, 0.68) 60%,
    rgba(255, 255, 255, 0.24) 100%
  );
}

.business-card--06 {
  grid-column: 5 / -1;
  grid-row: 4;
  min-height: 160px;
  background-image: url('../images/business/business-06-business-travel.jpg?v=6');
  background-position: center right;
}

.business-card--06::after {
  background: linear-gradient(
    to right,
    rgba(255, 255, 255, 0.98) 0%,
    rgba(255, 255, 255, 0.95) 44%,
    rgba(255, 255, 255, 0.7) 58%,
    rgba(255, 255, 255, 0.26) 100%
  );
}

.business-num {
  position: absolute;
  z-index: 1;
  font-family: var(--font-serif);
  font-size: clamp(3.5rem, 8vw, 5.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--color-accent-red);
  opacity: 0.22;
  pointer-events: none;
  user-select: none;
}

.business-card--01 .business-num {
  top: 12px;
  right: 20px;
}

.business-card--02 .business-num,
.business-card--03 .business-num,
.business-card--05 .business-num {
  top: 12px;
  left: 20px;
}

.business-card--04 .business-num {
  top: 12px;
  right: 20px;
}

.business-card--06 .business-num {
  bottom: 12px;
  left: 20px;
}

.business-content {
  position: relative;
  z-index: 2;
}

.business-card--01 .business-content {
  max-width: calc(100% - 120px);
}

.business-card--02 .business-content {
  padding-left: 88px;
}

.business-card--03 .business-content {
  padding-top: 56px;
  padding-left: 120px;
}

.business-card--04 .business-content {
  padding-right: 88px;
}

.business-card--05 .business-content {
  padding-left: 88px;
}

.business-card--06 .business-content {
  padding-left: 88px;
  padding-bottom: 72px;
}

.business-content h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 8px;
  padding-left: 10px;
  border-left: 2px solid var(--color-brand);
}

.business-subtitle {
  margin-top: 16px;
}

.business-content p {
  font-size: 0.875rem;
  color: var(--color-text);
  line-height: 1.7;
}

.culture {
  background: var(--color-surface);
}

.culture-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.culture-card {
  position: relative;
  padding: 36px 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: box-shadow var(--transition), border-color var(--transition);
  overflow: hidden;
}

.culture-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-brand);
}

.culture-card:hover {
  border-color: var(--color-brand-glow);
  box-shadow: 0 4px 20px var(--color-brand-soft);
}

.culture-card h3 {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--color-brand);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.culture-highlight {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-heading);
  line-height: 1.5;
  margin-bottom: 12px;
}

.culture-card > p:last-child {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.milestones {
  background: var(--color-surface);
}

.milestones-visual {
  width: 100%;
}

.milestones-visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border-top: 3px solid var(--color-brand);
}

.honors {
  background: var(--color-surface);
}

.honors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.honor-cert {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 168px;
  padding: 36px 20px 28px;
  border: none;
  background-color: transparent;
  background-image: url('../images/honors/honor-bg.png?v=6');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  text-align: center;
  cursor: pointer;
  transition: transform var(--transition), filter var(--transition);
}

.honor-cert:hover,
.honor-cert.is-selected {
  filter: brightness(1.03);
}

.honor-cert::before {
  content: '';
  position: absolute;
  inset: 8px;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition);
  z-index: 2;
  background:
    linear-gradient(#5c4033, #5c4033) 0 0 / 12px 2px no-repeat,
    linear-gradient(#5c4033, #5c4033) 0 0 / 2px 12px no-repeat,
    linear-gradient(#5c4033, #5c4033) 100% 0 / 12px 2px no-repeat,
    linear-gradient(#5c4033, #5c4033) 100% 0 / 2px 12px no-repeat,
    linear-gradient(#5c4033, #5c4033) 0 100% / 12px 2px no-repeat,
    linear-gradient(#5c4033, #5c4033) 0 100% / 2px 12px no-repeat,
    linear-gradient(#5c4033, #5c4033) 100% 100% / 12px 2px no-repeat,
    linear-gradient(#5c4033, #5c4033) 100% 100% / 2px 12px no-repeat;
}

.honor-cert:hover::before,
.honor-cert:focus-within::before,
.honor-cert.is-selected::before {
  opacity: 1;
}

.honor-name {
  position: relative;
  z-index: 1;
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: #3d2b1f;
  line-height: 1.55;
  letter-spacing: 0.06em;
}

.honor-org {
  position: relative;
  z-index: 1;
  font-size: 0.72rem;
  color: #5c4a3a;
  line-height: 1.65;
  letter-spacing: 0.03em;
  max-width: 78%;
}

.contact {
  background: var(--color-surface);
}

.contact-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.contact-list {
  display: flex;
  flex-direction: column;
}

.contact-qrcodes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.qrcode-card {
  text-align: center;
}

.qrcode-img-wrap {
  aspect-ratio: 1;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-brand);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: 12px;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.qrcode-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.qrcode-card:hover .qrcode-img-wrap {
  border-color: rgba(61, 90, 115, 0.2);
  border-top-color: rgba(61, 90, 115, 0.45);
  box-shadow: 0 4px 14px rgba(61, 90, 115, 0.07);
}

.qrcode-placeholder {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
}

.qrcode-label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-heading);
}

.contact-row {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}

.contact-row:last-child {
  border-bottom: none;
}

.contact-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-brand);
  padding-left: 10px;
  border-left: 2px solid var(--color-brand);
}

.contact-row p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.55);
  padding: 48px 0 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
  padding-bottom: 40px;
}

.logo--footer .logo-img {
  width: 138px;
  height: 36px;
  object-fit: contain;
  object-position: left center;
}

.footer-brand p {
  margin-top: 12px;
  font-size: 0.85rem;
}

.footer-nav {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.footer-nav a {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.45);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.3);
  text-align: center;
}

@media (max-width: 1024px) {
  .about-layout,
  .contact-body {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-aside {
    height: 320px;
  }

  .contact-qrcodes {
    max-width: 420px;
  }

  .about-features {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .about-feature {
    padding: 28px 0;
  }

  .about-feature + .about-feature::before {
    left: 10%;
    right: 10%;
    top: 0;
    width: auto;
    height: 1px;
    background: linear-gradient(
      to right,
      transparent 0%,
      var(--color-border) 18%,
      var(--color-border) 82%,
      transparent 100%
    );
  }

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

  .business-card--01,
  .business-card--02,
  .business-card--03,
  .business-card--04,
  .business-card--05,
  .business-card--06 {
    grid-column: 1 / -1;
    grid-row: auto;
    min-height: auto;
  }

  .business-card--01 .business-content {
    max-width: calc(100% - 80px);
  }

  .business-card--02 .business-content,
  .business-card--03 .business-content,
  .business-card--04 .business-content,
  .business-card--05 .business-content,
  .business-card--06 .business-content {
    padding-left: 72px;
    padding-right: 0;
    padding-top: 0;
    padding-bottom: 0;
  }

  .business-card--03 .business-content {
    padding-top: 48px;
  }

  .business-card--04 .business-content {
    padding-right: 72px;
    padding-left: 0;
  }

  .business-card--06 .business-content {
    padding-bottom: 56px;
  }

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

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

}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .section {
    padding: 72px 0;
  }

  .section + .section::before {
    width: calc(100% - 40px);
    max-width: calc(var(--max-width) - 40px);
  }

  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 16px 20px;
    gap: 0;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav a {
    color: var(--color-text-secondary);
    padding: 14px 0;
    border-bottom: 1px solid var(--color-border);
  }

  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero-inner {
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-end;
    padding-bottom: 48px;
  }

  .hero-metrics {
    width: 100%;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
  }

  .metric strong {
    font-size: 1.5rem;
  }

  .about-aside {
    height: 280px;
  }

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

  .header .logo {
    width: 144px;
    height: 32px;
  }

  .contact-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .contact-qrcodes {
    max-width: none;
    gap: 12px;
  }

  .honors-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .honor-cert {
    min-height: 148px;
    padding: 28px 16px 22px;
  }

  .honor-name {
    font-size: 0.95rem;
  }

}