:root {
  --bg: #07111f;
  --bg-soft: #0f1c31;
  --surface: rgba(16, 25, 42, 0.4);
  --surface-strong: rgba(230, 241, 255, 0.12);
  --surface-elevated: rgba(210, 231, 255, 0.18);
  --glass-fill: linear-gradient(180deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.05));
  --glass-stroke: rgba(255, 255, 255, 0.24);
  --text: #f4f8ff;
  --text-muted: #b2bfd4;
  --accent: #83d6ff;
  --accent-2: #ffe49c;
  --accent-strong: #b8ecff;
  --border: rgba(214, 232, 255, 0.14);
  --shadow: 0 24px 60px rgba(0, 8, 20, 0.42);
  --shadow-soft: 0 12px 30px rgba(5, 18, 36, 0.18);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 18px;
}

html {
  color-scheme: dark;
}

[data-theme="light"] {
  --bg: #eef4fb;
  --bg-soft: #d4dfec;
  --surface: rgba(248, 251, 255, 0.76);
  --surface-strong: rgba(245, 249, 255, 0.88);
  --surface-elevated: rgba(255, 255, 255, 0.96);
  --glass-fill: linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(229, 238, 249, 0.68));
  --glass-stroke: rgba(125, 147, 179, 0.3);
  --text: #102033;
  --text-muted: #42556d;
  --accent: #0b74c7;
  --accent-2: #b97912;
  --accent-strong: #0065b3;
  --border: rgba(93, 117, 148, 0.22);
  --shadow: 0 22px 50px rgba(69, 96, 132, 0.18);
  --shadow-soft: 0 14px 28px rgba(69, 96, 132, 0.12);
}

[data-theme="light"] {
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Noto Sans SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 18%, rgba(116, 196, 255, 0.24), transparent 0 24%),
    radial-gradient(circle at 84% 12%, rgba(165, 227, 255, 0.22), transparent 0 20%),
    radial-gradient(circle at 56% 72%, rgba(255, 255, 255, 0.1), transparent 0 18%),
    linear-gradient(180deg, #0d1a2d 0%, #07111f 46%, #091321 100%);
  line-height: 1.6;
  scroll-behavior: smooth;
  overflow-x: hidden;
  min-height: 100vh;
}

[id] {
  scroll-margin-top: 92px;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -44px;
  z-index: 20;
  background: var(--accent);
  color: #0b0f1a;
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 8px;
  font-weight: 600;
}

.skip-link:focus-visible {
  top: 10px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

[data-theme="light"] body {
  background:
    radial-gradient(circle at 14% 12%, rgba(110, 183, 255, 0.24), transparent 0 22%),
    radial-gradient(circle at 82% 16%, rgba(255, 255, 255, 0.7), transparent 0 18%),
    radial-gradient(circle at 72% 78%, rgba(141, 190, 240, 0.18), transparent 0 18%),
    linear-gradient(180deg, #f5f9fe 0%, #e8eff7 48%, #dde7f1 100%);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

[data-parallax] {
  transform: translateY(var(--parallax-y, 0));
  transition: transform 0.2s ease;
}

.cards .card,
.solutions .solution,
.case-card,
.news-item,
.contact-card,
.qual-card,
.subsidiary-card,
.about-card {
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.cards .card:hover,
.solutions .solution:hover,
.case-card:hover,
.news-item:hover,
.contact-card:hover,
.qual-card:hover,
.subsidiary-card:hover,
.about-card:hover {
  transform: translateY(-6px);
  border-color: rgba(70, 208, 255, 0.35);
  box-shadow: var(--shadow);
}

[data-parallax].subsidiary-card:hover {
  transform: translateY(calc(var(--parallax-y, 0) - 6px));
}

.liquid-backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.liquid-blob {
  position: absolute;
  border-radius: 999px;
  filter: blur(28px);
  opacity: 0.7;
}

.liquid-blob-a {
  top: 7%;
  left: -5%;
  width: 24rem;
  height: 24rem;
  background: radial-gradient(circle at 35% 35%, rgba(150, 225, 255, 0.86), rgba(82, 157, 255, 0.14) 62%, transparent 78%);
}

.liquid-blob-b {
  top: 14%;
  right: -4%;
  width: 22rem;
  height: 22rem;
  background: radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.62), rgba(111, 199, 255, 0.12) 66%, transparent 80%);
}

.liquid-blob-c {
  bottom: 8%;
  left: 28%;
  width: 20rem;
  height: 20rem;
  background: radial-gradient(circle at 50% 50%, rgba(255, 231, 185, 0.18), rgba(145, 218, 255, 0.12) 60%, transparent 82%);
}

.container {
  width: min(1180px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 18px;
  z-index: 20;
  width: min(1220px, calc(100% - 28px));
  margin: 0 auto;
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  background: var(--glass-fill);
  border: 1px solid var(--glass-stroke);
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
}

[data-theme="light"] .site-header {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(232, 240, 249, 0.82));
  border-color: rgba(117, 142, 176, 0.26);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 18px;
}

.logo {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.logo-mark {
  width: 44px;
  height: 44px;
  display: block;
  object-fit: contain;
  border-radius: 15px;
  padding: 7px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.32), rgba(255, 255, 255, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.logo-text .cn {
  font-weight: 600;
  font-size: 16px;
}

.logo-text .en {
  font-size: 12px;
  color: var(--text-muted);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 14px;
  padding: 0;
  margin: 0;
  border-radius: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.nav-toggle {
  display: none;
  background: var(--glass-fill);
  color: var(--text);
  border: 1px solid var(--glass-stroke);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 13px;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.24);
}

.nav a {
  color: rgba(244, 248, 255, 0.86);
  text-decoration: none;
  transition: color 0.2s ease, transform 0.2s ease;
  touch-action: manipulation;
  padding: 4px 6px;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.nav a:hover {
  color: var(--text);
  background: transparent;
  transform: translateY(-1px);
}

.header-actions {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.control-toggle {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-width: 88px;
  gap: 3px;
  white-space: nowrap;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 16px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.lang-toggle,
.theme-toggle {
  color: var(--text);
  padding: 10px 14px;
  font-size: 13px;
  cursor: pointer;
  touch-action: manipulation;
}

.toggle-kicker {
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.toggle-value {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.1;
}

.hero {
  padding: 118px 0 68px;
  position: relative;
}

.hero-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  align-items: flex-start;
}

.badge {
  display: inline-block;
  padding: 8px 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--accent-strong);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.8px;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  margin: 16px 0;
  text-wrap: balance;
}

.hero p {
  color: var(--text-muted);
  max-width: 62ch;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.btn {
  padding: 12px 22px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  touch-action: manipulation;
}

.btn.primary {
  background: linear-gradient(180deg, rgba(224, 246, 255, 0.78), rgba(163, 220, 255, 0.52));
  color: #072037;
  border: 1px solid rgba(255, 255, 255, 0.34);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.62), 0 18px 36px rgba(14, 80, 119, 0.18);
}

.btn.ghost {
  border: 1px solid var(--glass-stroke);
  color: var(--text);
  background: var(--glass-fill);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

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

.btn:focus-visible,
.nav a:focus-visible,
.nav-toggle:focus-visible,
.lang-toggle:focus-visible,
.theme-toggle:focus-visible,
.filter-btn:focus-visible,
.contact-link:focus-visible,
.partners-search:focus-visible,
.back-to-top:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.lang-toggle:hover,
.theme-toggle:hover,
.filter-btn:hover {
  color: var(--text);
  border-color: var(--accent);
}

.back-to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 12;
  border: 1px solid var(--glass-stroke);
  background: var(--glass-fill);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 12px;
  cursor: pointer;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.grid-card {
  width: min(420px, 100%);
  height: 320px;
  background:
    radial-gradient(circle at 18% 12%, rgba(255, 255, 255, 0.28), transparent 0 28%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.24), rgba(255, 255, 255, 0.05));
  border-radius: 32px;
  position: relative;
  padding: 26px;
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.24);
  backdrop-filter: blur(24px) saturate(1.3);
  -webkit-backdrop-filter: blur(24px) saturate(1.3);
}

.grid-line {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
      90deg,
      transparent,
      transparent 30px,
      rgba(255, 255, 255, 0.06) 30px,
      rgba(255, 255, 255, 0.06) 31px
    ),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 30px,
      rgba(255, 255, 255, 0.06) 30px,
      rgba(255, 255, 255, 0.06) 31px
    );
  opacity: 0.4;
}

.grid-card::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: 31px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.16), transparent 32%);
  pointer-events: none;
}

.grid-card .stat {
  position: relative;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 22px;
  padding: 12px 16px;
  margin-bottom: 12px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
}

.stat-value {
  font-size: 24px;
  font-weight: 600;
}

.section {
  padding: 70px 0;
}

.section.alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015));
}

/* Apple-style homepage refinements: cleaner content surfaces, centered hero, stronger stage */
.hero-shell {
  display: grid;
  gap: 34px;
}

.hero-text {
  max-width: 920px;
  margin: 0 auto;
  text-align: center;
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 5rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  max-width: 12ch;
  margin-left: auto;
  margin-right: auto;
}

.hero p {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.4;
  max-width: 44rem;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  justify-content: center;
}

.hero-strip {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-chip {
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  letter-spacing: -0.01em;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.hero-visual {
  width: 100%;
}

.hero-stage {
  position: relative;
  width: min(1040px, 100%);
  margin: 0 auto;
  padding: 24px 0 96px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 18px;
  align-items: end;
}

.hero-window {
  position: relative;
  border-radius: 34px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.06));
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(20px) saturate(1.15);
  -webkit-backdrop-filter: blur(20px) saturate(1.15);
}

.hero-window-main {
  z-index: 2;
  overflow: hidden;
}

.hero-window-side {
  z-index: 3;
  padding: 18px;
  display: grid;
  gap: 12px;
  transform: translate(-28px, 42px);
}

.hero-window-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-window-controls {
  display: inline-flex;
  gap: 8px;
}

.hero-window-controls span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.5);
}

.hero-window-controls span:nth-child(1) {
  background: #ff8d7a;
}

.hero-window-controls span:nth-child(2) {
  background: #ffc85d;
}

.hero-window-controls span:nth-child(3) {
  background: #6fdd8b;
}

.hero-window-title,
.hero-window-status {
  font-size: 12px;
  color: var(--text-muted);
}

.hero-window-status {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.hero-dock {
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  z-index: 4;
  display: inline-grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  padding: 12px;
  min-width: min(540px, calc(100% - 32px));
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.06));
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 22px 44px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
}

.hero-dock-item {
  display: grid;
  gap: 4px;
  text-align: center;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.hero-dock-item span {
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.hero-dock-item strong {
  font-size: 14px;
}

.hero-stage-heading {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
}

.hero-stage-heading h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3.1rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.hero-stage-kicker {
  margin: 0;
  font-size: 13px;
  color: var(--accent-strong);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.hero-stage-stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.hero-stage-timeline {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.timeline-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  padding: 16px 18px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.06));
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.timeline-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  font-size: 12px;
  font-weight: 600;
}

.timeline-item strong {
  display: block;
  font-size: 14px;
}

.timeline-item p {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--text-muted);
}

.hero-panel {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 16px 18px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.hero-panel-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.hero-panel-value {
  font-size: 15px;
  line-height: 1.35;
  color: var(--text);
}

.grid-card {
  width: 100%;
  min-height: 470px;
  height: auto;
  padding: 42px 34px 30px;
  border-radius: 0 0 34px 34px;
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.28), transparent 0 36%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.07));
}

.grid-card::before {
  border-radius: 0 0 33px 33px;
}

.grid-card .stat {
  padding: 16px 18px;
  border-radius: 24px;
}

.stat-value {
  font-size: clamp(1.7rem, 2.8vw, 2.5rem);
}

.section {
  padding: 88px 0;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 42px;
}

.section-header p {
  max-width: 38rem;
  margin-left: auto;
  margin-right: auto;
}

.about-card,
.card,
.solution,
.case-card,
.qual-card,
.contact-card,
.news-item,
.subsidiary-card {
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border: none;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .about-card,
[data-theme="light"] .card,
[data-theme="light"] .solution,
[data-theme="light"] .case-card,
[data-theme="light"] .qual-card,
[data-theme="light"] .contact-card,
[data-theme="light"] .news-item,
[data-theme="light"] .subsidiary-card,
[data-theme="light"] .partner-item {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(242, 246, 251, 0.98));
  color: #102033;
  border: 1px solid rgba(114, 138, 170, 0.18);
  box-shadow: 0 12px 30px rgba(83, 105, 136, 0.08);
}

[data-theme="light"] .meta-item {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(114, 138, 170, 0.14);
}

[data-theme="light"] .case-detail,
[data-theme="light"] .news-detail,
[data-theme="light"] .footer-left,
[data-theme="light"] .footer-right {
  color: rgba(29, 29, 31, 0.72);
}

[data-theme="light"] .hero-chip,
[data-theme="light"] .hero-window,
[data-theme="light"] .hero-dock,
[data-theme="light"] .timeline-item,
[data-theme="light"] .hero-panel,
[data-theme="light"] .grid-card .stat {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(237, 243, 250, 0.9));
  color: #102033;
  border: 1px solid rgba(120, 143, 173, 0.22);
  box-shadow: 0 10px 24px rgba(85, 106, 136, 0.09);
}

[data-theme="light"] .hero-panel-label,
[data-theme="light"] .hero-window-title,
[data-theme="light"] .hero-window-status,
[data-theme="light"] .hero-dock-item span,
[data-theme="light"] .timeline-item p,
[data-theme="light"] .stat-label {
  color: rgba(29, 29, 31, 0.72);
}

[data-theme="light"] .hero-panel-value,
[data-theme="light"] .hero-dock-item strong,
[data-theme="light"] .hero-stage-heading h2 {
  color: #102033;
}

[data-theme="light"] .logo-mark,
[data-theme="light"] .nav,
[data-theme="light"] .nav-toggle,
[data-theme="light"] .lang-toggle,
[data-theme="light"] .theme-toggle,
[data-theme="light"] .btn.ghost,
[data-theme="light"] .back-to-top,
[data-theme="light"] .partners-search,
[data-theme="light"] .filter-btn {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(231, 239, 248, 0.78));
  border-color: rgba(117, 142, 176, 0.26);
  box-shadow: 0 8px 22px rgba(86, 108, 140, 0.1);
}

[data-theme="light"] .nav {
  background: transparent;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

[data-theme="light"] .nav a {
  color: rgba(16, 32, 51, 0.86);
}

[data-theme="light"] .nav a:focus-visible,
[data-theme="light"] .nav a:hover {
  color: #102033;
  background: transparent;
}

[data-theme="light"] .hero h1,
[data-theme="light"] .section-header h2,
[data-theme="light"] .logo-text .cn,
[data-theme="light"] .card h3,
[data-theme="light"] .solution h3,
[data-theme="light"] .case-card h3,
[data-theme="light"] .contact-card h3 {
  color: #102033;
}

[data-theme="light"] .hero p,
[data-theme="light"] .section-header p,
[data-theme="light"] .case-detail,
[data-theme="light"] .news-detail,
[data-theme="light"] .footer-left,
[data-theme="light"] .footer-right,
[data-theme="light"] .logo-text .en {
  color: #42556d;
}

[data-theme="light"] .badge {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(235, 242, 249, 0.82));
  border-color: rgba(117, 142, 176, 0.24);
  color: #0b5f9e;
}

[data-theme="light"] .btn.primary {
  background: linear-gradient(180deg, #1677c9, #0d63b1);
  color: #f7fbff;
  border-color: rgba(8, 74, 132, 0.18);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16), 0 16px 30px rgba(37, 116, 184, 0.16);
}

[data-theme="light"] .btn.ghost,
[data-theme="light"] .filter-btn,
[data-theme="light"] .partners-search::placeholder {
  color: #33475f;
}

[data-theme="light"] .btn.ghost:hover,
[data-theme="light"] .lang-toggle:hover,
[data-theme="light"] .theme-toggle:hover,
[data-theme="light"] .filter-btn:hover {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(224, 235, 246, 0.88));
  border-color: rgba(72, 147, 216, 0.32);
  color: #102033;
}

[data-theme="light"] .control-toggle {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(239, 244, 251, 0.78));
  border-color: rgba(117, 142, 176, 0.2);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.78);
}

[data-theme="light"] .toggle-kicker {
  color: rgba(70, 90, 116, 0.72);
}

[data-theme="light"] .lang-toggle,
[data-theme="light"] .theme-toggle {
  background: transparent;
}

[data-theme="light"] .filter-btn.active {
  background: linear-gradient(180deg, rgba(223, 239, 252, 0.96), rgba(194, 223, 248, 0.96));
  color: #0f2740;
  border-color: rgba(95, 137, 183, 0.34);
}

[data-theme="light"] .grid-card {
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.72), transparent 0 36%),
    linear-gradient(180deg, rgba(249, 252, 255, 0.94), rgba(232, 239, 247, 0.9));
  border-color: rgba(118, 143, 176, 0.24);
  box-shadow: 0 22px 48px rgba(76, 98, 132, 0.12);
}

[data-theme="light"] .grid-card::before {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.42), transparent 32%);
}

[data-theme="light"] .grid-line {
  opacity: 0.28;
}

[data-theme="light"] .case-tag {
  background: linear-gradient(180deg, rgba(245, 248, 252, 0.94), rgba(229, 236, 244, 0.92));
  color: #4c6178;
  border-color: rgba(117, 142, 176, 0.16);
}

[data-theme="light"] .section.alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.24), rgba(228, 236, 245, 0.34));
}

[data-theme="light"] .hero-stage-kicker,
[data-theme="light"] .news-date,
[data-theme="light"] .contact-link:hover {
  color: #0b74c7;
}

[data-theme="light"] .partners-search {
  color: #102033;
}

[data-theme="light"] .hero-strip,
[data-theme="light"] .partners-tools,
[data-theme="light"] .news-list,
[data-theme="light"] .case-grid,
[data-theme="light"] .cards,
[data-theme="light"] .solutions {
  color: #102033;
}

[data-theme="light"] .case-card img,
[data-theme="light"] .subsidiary-logo img,
[data-theme="light"] .case-video-grid video {
  border-color: rgba(117, 142, 176, 0.18);
}

[data-theme="light"] .nav-toggle,
[data-theme="light"] .lang-toggle,
[data-theme="light"] .theme-toggle {
  color: #102033;
}

[data-theme="light"] .site-footer {
  border-top-color: rgba(117, 142, 176, 0.16);
  background: linear-gradient(180deg, rgba(244, 248, 252, 0.82), rgba(229, 236, 244, 0.94));
}

[data-theme="light"] .partner-item,
[data-theme="light"] .news-item,
[data-theme="light"] .case-card,
[data-theme="light"] .card,
[data-theme="light"] .solution,
[data-theme="light"] .contact-card,
[data-theme="light"] .qual-card,
[data-theme="light"] .about-card,
[data-theme="light"] .subsidiary-card {
  backdrop-filter: blur(14px) saturate(1.04);
  -webkit-backdrop-filter: blur(14px) saturate(1.04);
}

[data-theme="light"] .partner-item:hover,
[data-theme="light"] .news-item:hover,
[data-theme="light"] .case-card:hover,
[data-theme="light"] .card:hover,
[data-theme="light"] .solution:hover,
[data-theme="light"] .contact-card:hover,
[data-theme="light"] .qual-card:hover,
[data-theme="light"] .about-card:hover,
[data-theme="light"] .subsidiary-card:hover {
  border-color: rgba(77, 121, 171, 0.24);
  box-shadow: 0 18px 36px rgba(77, 100, 132, 0.12);
}

[data-theme="light"] .overview-glass-card,
[data-theme="light"] .business-intro-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(240, 245, 251, 0.96));
  border-color: rgba(114, 138, 170, 0.18);
  box-shadow: 0 12px 30px rgba(83, 105, 136, 0.08);
}

[data-theme="light"] .overview-kicker {
  color: #0b74c7;
}

.section-header {
  margin-bottom: 36px;
}

.section-header h2 {
  margin: 0 0 8px;
  font-size: clamp(22px, 3vw, 32px);
  text-wrap: balance;
}

.section-header p {
  color: var(--text-muted);
  margin: 0;
}

#subsidiary .section-header {
  margin-bottom: 8px;
}

#subsidiary .section-header p {
  line-height: 1.2;
}

#subsidiary .subsidiary-info p {
  line-height: 1.2;
}

#qualifications.section {
  margin-top: 56px;
}


.about-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.06));
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-xl);
  padding: 30px;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(22px) saturate(1.25);
  -webkit-backdrop-filter: blur(22px) saturate(1.25);
}

.about-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.overview-layout,
.business-layout,
.partners-layout,
.news-layout {
  display: grid;
  gap: 22px;
  align-items: start;
}

.overview-layout {
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.75fr);
  align-items: stretch;
}

.overview-rail,
.partners-sidebar {
  display: grid;
  gap: 16px;
}

.overview-rail {
  grid-template-rows: auto repeat(3, minmax(0, 1fr));
}

.about-card-main {
  height: 100%;
  display: flex;
  align-items: stretch;
}

.about-copy {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
}

.about-card-main p {
  margin: 0;
  font-size: 1.03rem;
  line-height: 1.9;
}

.about-lead {
  font-size: 1.18rem;
  font-weight: 600;
  line-height: 1.75;
}

.about-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.about-point {
  padding: 14px 16px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.05));
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--text);
  line-height: 1.5;
}

.about-meta-rail {
  margin-top: 0;
  grid-template-columns: 1fr;
}

.about-meta-rail .meta-item {
  min-height: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.overview-glass-card,
.business-intro-card {
  padding: 22px 24px;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px) saturate(1.12);
  -webkit-backdrop-filter: blur(18px) saturate(1.12);
}

.overview-glass-card h3,
.business-intro-card h3 {
  margin: 4px 0 10px;
  font-size: 1.35rem;
  line-height: 1.2;
}

.overview-glass-card p:last-child,
.business-intro-card p:last-child {
  margin-bottom: 0;
  color: var(--text-muted);
}

.overview-kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.business-layout {
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.4fr);
  align-items: stretch;
}

.business-intro,
.partners-sidebar {
  position: sticky;
  top: 104px;
}

.business-intro {
  align-self: stretch;
}

.business-intro-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.business-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-rows: 1fr;
  align-items: stretch;
}

.business-card-wide {
  grid-column: span 2;
  min-height: 0;
  display: grid;
  align-content: center;
}

.solutions-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.85fr);
  gap: 18px;
}

.solutions-stack {
  display: grid;
  gap: 18px;
}

.solution-featured {
  min-height: 340px;
  display: grid;
  align-content: start;
  overflow: hidden;
}

.solution-media {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 24px;
  margin-bottom: 18px;
  display: block;
}

.solution-copy {
  display: grid;
  gap: 10px;
}

.case-showcase {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
  align-items: stretch;
}

.case-card-featured {
  min-height: 0;
  height: auto;
  align-self: stretch;
}

.case-card-featured img {
  height: 160px;
}

.partners-layout {
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.45fr);
}

.partners-side-note h3 {
  max-width: 10ch;
}

.partners-grid.scroll-list {
  max-height: 620px;
  align-content: start;
}

.news-layout {
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  align-items: stretch;
}

.news-item-featured {
  min-height: 100%;
  grid-template-columns: 1fr;
  gap: 12px;
  align-content: center;
}

.news-item-featured .news-date {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.meta-item {
  padding: 12px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.05));
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.cards,
.solutions,
.case-grid,
.qualifications,
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.case-grid {
  display: contents;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.subsidiary-card {
  display: grid;
  grid-template-columns: minmax(160px, 0.7fr) minmax(0, 1.6fr) max-content;
  gap: 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.07));
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-xl);
  padding: 20px 24px 24px;
  align-items: flex-start;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(22px) saturate(1.2);
  -webkit-backdrop-filter: blur(22px) saturate(1.2);
}

.subsidiary-card {
  overflow: hidden;
}

.subsidiary-card > * {
  min-width: 0;
}

.subsidiary-info {
  min-width: 0;
}

.subsidiary-info p {
  word-break: break-word;
}

.subsidiary-logo {
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.subsidiary-logo img {
  width: 180px;
  max-width: 100%;
  height: auto;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.26), rgba(255, 255, 255, 0.1));
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.subsidiary-list {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--text-muted);
}

.subsidiary-list li {
  line-height: 1.2;
  margin-bottom: 2px;
}

.subsidiary-link {
  display: flex;
  align-items: flex-start;
  justify-content: center;
}


@media (max-width: 1024px) {
  .hero-stage {
    grid-template-columns: 1fr;
    padding-bottom: 76px;
  }

  .hero-window-side {
    transform: none;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .hero-stage-timeline {
    grid-template-columns: 1fr;
  }

  .overview-layout,
  .business-layout,
  .solutions-shell,
  .case-showcase,
  .partners-layout,
  .news-layout {
    grid-template-columns: 1fr;
  }

  .business-intro,
  .partners-sidebar {
    position: static;
  }

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

  .subsidiary-card {
    grid-template-columns: minmax(160px, 200px) 1fr;
  }

  .subsidiary-link {
    grid-column: 2 / -1;
    justify-content: flex-start;
  }
}

@media (max-width: 860px) {
  .hero-window-bar {
    padding: 14px 16px 10px;
  }

  .hero-window-side {
    grid-template-columns: 1fr;
    padding: 14px;
  }

  .hero-dock {
    position: static;
    transform: none;
    min-width: 0;
    width: 100%;
    margin-top: 12px;
    border-radius: 28px;
    grid-template-columns: 1fr;
  }

  .hero-dock-item {
    text-align: left;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 10px;
  }

  .hero-dock-item span,
  .hero-dock-item strong {
    display: inline-block;
  }

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

  .subsidiary-link {
    justify-content: flex-start;
  }
}

.partners-tools {
  display: grid;
  gap: 12px;
  margin-bottom: 16px;
}

.partners-search {
  width: 100%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.06));
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 12px 14px;
  border-radius: 999px;
  font-size: 14px;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.partners-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-btn {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.04));
  color: var(--text-muted);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 12px;
  cursor: pointer;
  touch-action: manipulation;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.filter-btn.active {
  color: #082038;
  background: linear-gradient(180deg, rgba(232, 247, 255, 0.9), rgba(153, 217, 255, 0.6));
  border-color: rgba(255, 255, 255, 0.24);
}

.scroll-list {
  max-height: 360px;
  overflow: auto;
  padding-right: 6px;
}

.scroll-list::-webkit-scrollbar {
  width: 8px;
}

.scroll-list::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 8px;
}

.partner-item {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.05));
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  padding: 12px 14px;
  font-size: 14px;
  color: var(--text);
  content-visibility: auto;
  contain-intrinsic-size: 44px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.card,
.solution,
.case-card,
.qual-card,
.contact-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.05));
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px) saturate(1.15);
  -webkit-backdrop-filter: blur(18px) saturate(1.15);
}

.contact-link {
  color: var(--text);
  text-decoration: none;
  display: inline-block;
}

.contact-link:hover {
  color: var(--accent);
}

.card h3,
.solution h3,
.case-card h3,
.contact-card h3 {
  margin-top: 0;
}

.case-card h3 {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.case-card h3,
.case-card p {
  text-align: left;
}

.case-card p[data-i18n^="cases.item"] {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.6;
  min-height: 3.2em;
}

.case-detail {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
}

.case-tag {
  display: inline-block;
  background: linear-gradient(180deg, rgba(255, 247, 221, 0.32), rgba(255, 240, 183, 0.14));
  color: #ffe9ba;
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 12px;
  margin-bottom: 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.case-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 22px;
  margin-bottom: 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.case-media {
  margin-top: 28px;
}

.section-header.small h3 {
  margin: 0 0 6px;
}

.case-video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.case-video-grid video {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: #000;
}

.news-list {
  display: grid;
  gap: 16px;
  grid-auto-rows: 1fr;
  align-items: stretch;
}

.news-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.05));
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 20px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.news-date {
  font-size: 13px;
  color: var(--accent);
}

.news-detail {
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 26px 0 48px;
  background: linear-gradient(180deg, rgba(10, 21, 37, 0.24), rgba(7, 14, 26, 0.42));
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

.site-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-left {
  color: var(--text-muted);
}

.footer-name,
.footer-en {
  margin: 0;
}

.footer-right {
  color: var(--text-muted);
  font-size: 12px;
  display: grid;
  gap: 6px;
  justify-items: end;
  text-align: right;
}

.footer-icp {
  color: var(--text-muted);
  text-decoration: none;
}

.footer-icp:hover,
.footer-icp:focus-visible {
  color: var(--text);
  text-decoration: underline;
}


@media (max-width: 1024px) {
  .subsidiary-card {
    grid-template-columns: minmax(160px, 200px) 1fr;
  }

  .subsidiary-link {
    grid-column: 2 / -1;
    justify-content: flex-start;
  }
}

@media (max-width: 860px) {
  .business-cards {
    grid-template-columns: 1fr;
  }

  .business-card-wide {
    grid-column: auto;
    min-height: auto;
  }

  .case-card-featured img {
    height: 200px;
  }

  .partners-grid.scroll-list {
    max-height: none;
  }

  .site-header {
    top: 10px;
    width: calc(100% - 18px);
    border-radius: 28px;
  }

  .hero-stage {
    padding-top: 18px;
  }

  .hero-panel {
    position: static;
    width: 100%;
  }

  .hero-stage {
    display: grid;
    gap: 12px;
  }

  .header-inner {
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
  }

  .logo {
    flex: 1;
  }

  .nav-toggle {
    display: inline-flex;
  }

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

  .nav {
    width: 100%;
    justify-content: flex-start;
    display: none;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.05));
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 24px;
    padding: 12px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
  }

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

  .news-item {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .hero {
    padding-top: 104px;
  }

  .hero h1 {
    max-width: none;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .grid-card {
    min-height: 280px;
    padding: 28px 20px 22px;
    border-radius: 30px;
  }

  .grid-card::before {
    border-radius: 29px;
  }

  .hero-strip {
    gap: 10px;
  }

  .hero-chip {
    width: 100%;
    text-align: center;
  }

  .btn {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 1200px) {
  .container {
    width: min(1160px, calc(100% - 32px));
  }

  .header-inner {
    gap: 16px;
  }

  .logo-text .cn {
    font-size: 15px;
  }

  .nav {
    gap: 8px 12px;
  }

  .hero-stage {
    width: 100%;
  }

  .case-card-featured img,
  .solution-media {
    height: 220px;
  }

  .case-showcase {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .site-header {
    top: 10px;
    width: calc(100% - 20px);
    border-radius: 28px;
  }

  .header-inner {
    align-items: center;
    flex-wrap: wrap;
  }

  .logo {
    min-width: 0;
    flex: 1 1 260px;
  }

  .logo-text .cn,
  .logo-text .en {
    word-break: break-word;
  }

  .nav-toggle {
    display: inline-flex;
    order: 2;
  }

  .header-actions {
    order: 3;
    margin-left: auto;
    gap: 8px;
  }

  .nav {
    order: 4;
    width: 100%;
    display: none;
    padding: 12px;
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.05));
    border: 1px solid rgba(255, 255, 255, 0.16);
    justify-content: flex-start;
    gap: 10px 12px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
  }

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

  .hero {
    padding: 116px 0 56px;
  }

  .hero-shell {
    gap: 24px;
  }

  .hero-stage {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 16px 0 0;
  }

  .hero-window-side {
    transform: none;
    grid-template-columns: 1fr;
    padding: 14px;
  }

  .hero-stage-stats,
  .hero-stage-timeline {
    grid-template-columns: 1fr;
  }

  .hero-dock {
    position: static;
    transform: none;
    width: 100%;
    min-width: 0;
    margin-top: 12px;
    border-radius: 28px;
    grid-template-columns: 1fr;
  }

  .hero-dock-item {
    text-align: left;
    grid-template-columns: auto 1fr;
    align-items: center;
  }

  .overview-layout,
  .business-layout,
  .solutions-shell,
  .partners-layout,
  .news-layout,
  .subsidiary-card {
    grid-template-columns: 1fr;
  }

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

  .business-intro,
  .partners-sidebar {
    position: static;
  }

  .partners-grid.scroll-list {
    max-height: none;
  }

  .business-cards,
  .case-showcase,
  .case-grid {
    grid-template-columns: 1fr 1fr;
  }

  .business-card-wide {
    grid-column: span 2;
  }

  .case-card-featured,
  .news-item-featured,
  .about-card-main,
  .business-intro-card {
    height: auto;
    min-height: 0;
  }

  .subsidiary-link {
    grid-column: auto;
    justify-content: flex-start;
  }

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

  .site-footer .container {
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 56px 0;
  }

  .section-header {
    margin-bottom: 18px;
  }

  .container {
    width: calc(100% - 20px);
  }

  .site-header {
    border-radius: 24px;
  }

  .header-inner {
    padding: 12px 14px;
    gap: 10px;
  }

  .logo {
    flex-basis: 100%;
  }

  .logo-mark {
    width: 40px;
    height: 40px;
  }

  .logo-text .cn {
    font-size: 14px;
  }

  .logo-text .en {
    font-size: 11px;
  }

  .header-actions {
    width: 100%;
    justify-content: space-between;
    margin-left: 0;
  }

  .nav-toggle {
    min-height: 42px;
    padding: 10px 14px;
  }

  .control-toggle {
    min-width: 0;
    flex: 1 1 0;
    min-height: 42px;
    padding: 9px 12px;
  }

  .nav {
    padding: 10px;
    border-radius: 20px;
  }

  .nav a {
    width: calc(50% - 6px);
  }

  .hero {
    padding-top: 126px;
  }

  .hero h1 {
    font-size: clamp(2.4rem, 14vw, 3.5rem);
    line-height: 1.02;
  }

  .hero p {
    font-size: 1rem;
  }

  .hero-shell {
    gap: 20px;
  }

  .hero-window-main,
  .hero-window-side,
  .hero-dock {
    border-radius: 26px;
  }

  .hero-window-bar {
    padding: 13px 14px 10px;
  }

  .grid-card {
    min-height: 0;
    padding: 24px 18px 20px;
    border-radius: 26px;
  }

  .grid-card::before {
    border-radius: 25px;
  }

  .hero-window-title,
  .hero-window-status {
    font-size: 11px;
  }

  .solution-media,
  .case-card-featured img,
  .case-card img,
  .case-video-grid video {
    height: 180px;
  }

  .business-cards,
  .case-showcase,
  .case-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .business-card-wide {
    grid-column: auto;
  }

  .news-item,
  .case-card,
  .card,
  .solution,
  .qual-card,
  .contact-card,
  .about-card,
  .overview-glass-card,
  .business-intro-card,
  .subsidiary-card {
    padding: 18px;
  }

  .news-item {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .news-date {
    font-size: 12px;
  }

  .about-copy {
    gap: 16px;
  }

  .about-lead {
    font-size: 1.08rem;
  }

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

  .case-card h3,
  .solution h3,
  .card h3,
  .news-item h3 {
    font-size: 1.1rem;
  }

  .case-detail,
  .news-detail {
    font-size: 13px;
    line-height: 1.55;
  }

  .partners-filters {
    gap: 6px;
  }

  .partners-search {
    padding: 11px 14px;
  }

  .filter-btn {
    width: calc(50% - 3px);
    text-align: center;
    padding: 10px 12px;
  }

  .site-footer .container {
    flex-direction: column;
    gap: 12px;
  }

  .footer-right {
    justify-items: start;
    text-align: left;
  }
}

@media (max-width: 420px) {
  .nav a,
  .filter-btn {
    width: 100%;
  }

  .header-actions {
    flex-direction: column;
  }

  .control-toggle,
  .nav-toggle {
    width: 100%;
  }

  .hero-actions,
  .hero-strip {
    gap: 8px;
  }

  .hero-chip {
    padding: 9px 12px;
    font-size: 13px;
  }

  .hero {
    padding-top: 136px;
  }

  .logo-text .cn {
    font-size: 13px;
  }

  .logo-text .en {
    font-size: 10px;
  }

  .toggle-value {
    font-size: 14px;
  }
}