:root {
  color-scheme: light;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-width: 320px;
}

body {
  background:
    radial-gradient(circle at 84% 8%, var(--ambient-1), transparent 32rem),
    linear-gradient(180deg, var(--bg), var(--bg-soft));
  color: var(--ink);
}

.theme-dark {
  color-scheme: dark;
  --bg: oklch(0.145 0.033 244);
  --bg-soft: oklch(0.105 0.028 245);
  --surface: oklch(0.205 0.042 238);
  --surface-2: oklch(0.255 0.045 232);
  --surface-3: oklch(0.305 0.05 226);
  --ink: oklch(0.965 0.012 230);
  --muted: oklch(0.745 0.035 234);
  --subtle: oklch(0.64 0.04 232);
  --accent: oklch(0.78 0.145 185);
  --accent-ink: oklch(0.125 0.03 220);
  --accent-2: oklch(0.72 0.115 225);
  --line: oklch(0.42 0.055 230 / 0.56);
  --line-strong: oklch(0.68 0.08 210 / 0.42);
  --panel: oklch(0.18 0.04 240 / 0.88);
  --header: oklch(0.135 0.035 240 / 0.84);
  --ambient-1: oklch(0.45 0.12 190 / 0.24);
  --ambient-2: oklch(0.36 0.11 230 / 0.22);
  --shadow: 0 18px 55px oklch(0 0 0 / 0.28);
}

.theme-light {
  color-scheme: light;
  --bg: oklch(0.995 0 0);
  --bg-soft: oklch(0.962 0.012 225);
  --surface: oklch(1 0 0);
  --surface-2: oklch(0.962 0.015 226);
  --surface-3: oklch(0.925 0.02 225);
  --ink: oklch(0.23 0.045 245);
  --muted: oklch(0.43 0.035 245);
  --subtle: oklch(0.56 0.032 240);
  --accent: oklch(0.55 0.12 214);
  --accent-ink: oklch(0.985 0.006 230);
  --accent-2: oklch(0.59 0.12 184);
  --line: oklch(0.84 0.018 232);
  --line-strong: oklch(0.68 0.052 225);
  --panel: oklch(1 0 0);
  --header: oklch(1 0 0 / 0.9);
  --ambient-1: oklch(0.82 0.09 205 / 0.24);
  --ambient-2: oklch(0.72 0.08 184 / 0.16);
  --shadow: 0 10px 32px oklch(0.35 0.04 245 / 0.13);
}

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

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

button,
input,
textarea {
  font: inherit;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.page {
  min-height: 100dvh;
  overflow-x: clip;
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: var(--header);
  backdrop-filter: blur(16px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 24px;
}

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

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: linear-gradient(145deg, var(--surface-3), var(--surface));
  color: var(--accent);
  font-weight: 800;
}

.brand-text strong {
  display: block;
  font-size: 1rem;
  letter-spacing: 0;
}

.brand-text span {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.75rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 0.94rem;
}

.nav-menu a {
  padding: 10px 0;
}

.nav-menu a:hover {
  color: var(--ink);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  border-radius: 999px;
  background: currentColor;
}

.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: calc(100dvh - 112px);
  padding: 38px 0 42px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent 0 31px, var(--line) 32px, transparent 33px) 0 0 / 96px 96px,
    linear-gradient(0deg, transparent 0 31px, var(--line) 32px, transparent 33px) 0 0 / 96px 96px;
  opacity: 0.12;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 1fr);
  gap: clamp(28px, 5vw, 74px);
  align-items: center;
}

.kicker {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin-bottom: 18px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 7px 12px;
  color: var(--accent);
  background: color-mix(in oklch, var(--surface) 72%, transparent);
  font-size: 0.78rem;
  font-weight: 700;
}

.hero h1 {
  max-width: 12em;
  margin: 0;
  font-size: clamp(2.35rem, 4.3vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: 0;
  text-wrap: balance;
}

.hero-copy {
  max-width: 40rem;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  line-height: 1.75;
  text-wrap: pretty;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 999px;
  padding: 0 20px;
  border: 1px solid var(--line-strong);
  font-weight: 700;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.button:active {
  transform: translateY(1px);
}

.button-primary {
  border-color: transparent;
  background: var(--accent);
  color: var(--accent-ink);
}

.button-primary:hover {
  transform: translateY(-1px);
}

.button-secondary {
  background: color-mix(in oklch, var(--surface) 62%, transparent);
  color: var(--ink);
}

.button-secondary:hover {
  border-color: var(--accent);
}

.hero-media {
  position: relative;
  height: clamp(390px, 36vw, 470px);
  min-height: 450px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-media img {
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.05);
}

.theme-dark .hero-media img {
  opacity: 0.52;
}

.theme-light .hero-media img {
  opacity: 0.82;
}

.scan-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 72% 38%, var(--accent) 0 4px, transparent 5px),
    radial-gradient(circle at 36% 68%, var(--accent-2) 0 4px, transparent 5px),
    linear-gradient(110deg, transparent 0 28%, var(--accent) 28.2%, transparent 28.6% 60%, var(--accent-2) 60.2%, transparent 60.6%);
  opacity: 0.52;
}

.system-panel {
  position: absolute;
  right: 24px;
  bottom: 24px;
  width: min(330px, calc(100% - 48px));
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  padding: 18px;
  background: color-mix(in oklch, var(--panel) 88%, transparent);
  backdrop-filter: blur(12px);
}

.system-panel strong {
  display: block;
  margin-bottom: 12px;
  font-size: 0.95rem;
}

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

.status-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
  color: var(--muted);
  font-size: 0.88rem;
}

.status-list span:last-child {
  color: var(--accent);
  font-weight: 700;
}

.hero {
  isolation: isolate;
  min-height: calc(100dvh - 144px);
  padding: clamp(78px, 9vw, 124px) 0 clamp(46px, 7vw, 76px);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  overflow: hidden;
}

.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, var(--bg) 0%, color-mix(in oklch, var(--bg) 88%, transparent) 39%, color-mix(in oklch, var(--bg) 58%, transparent) 100%),
    linear-gradient(180deg, color-mix(in oklch, var(--bg) 64%, transparent), var(--bg) 100%);
}

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

.theme-dark .hero-bg img {
  opacity: 0.48;
  filter: saturate(0.8) contrast(1.08);
}

.theme-light .hero-bg::before {
  background:
    linear-gradient(90deg, var(--bg) 0%, color-mix(in oklch, var(--bg) 88%, transparent) 43%, color-mix(in oklch, var(--bg) 46%, transparent) 100%),
    linear-gradient(180deg, color-mix(in oklch, var(--bg) 72%, transparent), var(--bg) 100%);
}

.theme-light .hero-bg img {
  opacity: 0.36;
  filter: saturate(0.82) contrast(1.04);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero-status-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 660px;
  margin-top: 34px;
}

.status-tile {
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  padding: 16px;
  background: color-mix(in oklch, var(--panel) 84%, transparent);
  backdrop-filter: blur(12px);
}

.status-tile span,
.business-card span,
.news-card span {
  display: block;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
}

.status-tile strong {
  display: block;
  margin-top: 8px;
  font-size: 1.2rem;
}

.section {
  padding: clamp(70px, 9vw, 116px) 0;
}

.section.compact {
  padding: 34px 0;
}

.section-title {
  max-width: 760px;
  margin: 0 0 34px;
}

.section-title h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: 0;
  text-wrap: balance;
}

.section-title p {
  max-width: 62ch;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.75;
}

.section-title-center {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-title-center p {
  margin-right: auto;
  margin-left: auto;
}

.section-title p.section-en {
  max-width: none;
  margin-top: 10px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  line-height: 1.4;
}

.intro-section {
  background:
    linear-gradient(180deg, color-mix(in oklch, var(--surface-2) 68%, transparent), transparent 68%),
    var(--bg);
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.intro-card {
  min-height: 220px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
  background: var(--panel);
}

.intro-card span {
  display: block;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 800;
}

.intro-card strong {
  display: block;
  margin-top: 52px;
  font-size: 1.08rem;
}

.intro-card p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.7;
}

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

.business-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  background: var(--panel);
}

.business-visual {
  position: relative;
  min-height: 164px;
  margin: -18px -18px 20px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, transparent 0 48%, var(--line) 49%, transparent 50%) 0 0 / 34px 34px,
    linear-gradient(0deg, transparent 0 48%, var(--line) 49%, transparent 50%) 0 0 / 34px 34px,
    linear-gradient(135deg, color-mix(in oklch, var(--accent) 26%, transparent), color-mix(in oklch, var(--surface-3) 76%, transparent));
}

.business-visual::before,
.business-visual::after {
  content: "";
  position: absolute;
  border: 1px solid var(--accent);
}

.business-visual::before {
  inset: 34px 42px;
  transform: skewX(-14deg);
}

.business-visual::after {
  right: 52px;
  bottom: 38px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: color-mix(in oklch, var(--accent) 20%, transparent);
}

.business-visual-b {
  background:
    linear-gradient(90deg, transparent 0 48%, var(--line) 49%, transparent 50%) 0 0 / 30px 30px,
    linear-gradient(135deg, color-mix(in oklch, var(--accent-2) 24%, transparent), color-mix(in oklch, var(--surface-2) 82%, transparent));
}

.business-visual-c {
  background:
    radial-gradient(circle at 66% 44%, color-mix(in oklch, var(--accent) 42%, transparent) 0 4px, transparent 5px),
    linear-gradient(120deg, color-mix(in oklch, var(--accent) 22%, transparent), color-mix(in oklch, var(--surface-3) 78%, transparent));
}

.business-card h3 {
  margin: 10px 0 0;
  font-size: 1.3rem;
}

.business-card p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.solution-section,
.product-section,
.news-section {
  background: color-mix(in oklch, var(--surface-2) 46%, transparent);
}

.solution-showcase {
  display: grid;
  grid-template-columns: 0.38fr 0.62fr;
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.solution-tabs {
  display: grid;
  align-content: stretch;
  border-right: 1px solid var(--line);
  background: color-mix(in oklch, var(--surface) 72%, transparent);
}

.solution-tab {
  display: grid;
  gap: 10px;
  min-height: 118px;
  border-bottom: 1px solid var(--line);
  padding: 24px;
  color: var(--muted);
}

.solution-tab:last-child {
  border-bottom: 0;
}

.solution-tab strong {
  color: var(--ink);
  font-size: 1.12rem;
}

.solution-tab span {
  font-size: 0.92rem;
}

.solution-tab.is-active {
  background:
    linear-gradient(90deg, color-mix(in oklch, var(--accent) 20%, transparent), transparent),
    var(--panel);
}

.solution-detail {
  padding: clamp(28px, 5vw, 54px);
  background:
    linear-gradient(135deg, color-mix(in oklch, var(--accent) 12%, transparent), transparent 45%),
    var(--panel);
}

.solution-detail h3 {
  max-width: 12em;
  margin: 12px 0 0;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.08;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 38px;
}

.detail-grid section {
  border-top: 1px solid var(--line-strong);
  padding-top: 18px;
}

.detail-grid h4 {
  margin: 0;
  color: var(--accent);
  font-size: 1rem;
}

.detail-grid p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.75;
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: var(--panel);
}

.focus-item {
  min-height: 150px;
  padding: 22px;
  border-right: 1px solid var(--line);
}

.focus-item:last-child {
  border-right: 0;
}

.focus-item span,
.solution-number {
  display: block;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
}

.focus-item strong {
  display: block;
  margin-top: 20px;
  font-size: 1.15rem;
}

.focus-item p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.solution-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  align-items: start;
}

.solution-lead {
  position: sticky;
  top: 104px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: clamp(26px, 4vw, 44px);
  background:
    linear-gradient(135deg, color-mix(in oklch, var(--surface-3) 82%, transparent), var(--panel)),
    var(--surface);
}

.solution-lead h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.08;
}

.solution-lead p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.75;
}

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

.solution-card,
.capability-card,
.scenario-card,
.process-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}

.solution-card {
  padding: 24px;
}

.solution-card h3,
.capability-card h3,
.scenario-card h3,
.process-card h3 {
  margin: 10px 0 0;
  font-size: 1.23rem;
}

.solution-card p,
.capability-card p,
.scenario-card p,
.process-card p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.capability-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 20px;
}

.capability-main {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.capability-card {
  min-height: 186px;
  padding: 24px;
}

.capability-card.featured {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: 24px;
  align-items: center;
  min-height: 240px;
  background:
    linear-gradient(135deg, color-mix(in oklch, var(--accent) 18%, transparent), transparent),
    var(--panel);
}

.signal-map {
  position: relative;
  min-height: 174px;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background:
    linear-gradient(90deg, transparent 0 49%, var(--line) 50%, transparent 51%) 0 0 / 42px 42px,
    linear-gradient(0deg, transparent 0 49%, var(--line) 50%, transparent 51%) 0 0 / 42px 42px,
    color-mix(in oklch, var(--surface-2) 80%, transparent);
}

.signal-map::before,
.signal-map::after {
  content: "";
  position: absolute;
  border: 2px solid var(--accent);
  border-radius: 50%;
}

.signal-map::before {
  width: 92px;
  height: 48px;
  left: 42px;
  top: 42px;
  transform: rotate(-18deg);
}

.signal-map::after {
  width: 12px;
  height: 12px;
  right: 72px;
  bottom: 54px;
  background: var(--accent);
}

.capability-side {
  display: grid;
  gap: 14px;
}

.metric-panel {
  display: grid;
  align-content: space-between;
  min-height: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 28px;
  background: var(--surface);
}

.metric-panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.metric-panel strong {
  display: block;
  margin-bottom: 16px;
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 1.08;
}

.scenario-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 24px;
  align-items: stretch;
}

.scenario-image {
  min-height: 520px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.scenario-image img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
}

.theme-dark .scenario-image img {
  opacity: 0.6;
}

.scenario-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.scenario-card {
  padding: 24px;
}

.architecture-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.flow-node {
  position: relative;
  min-height: 190px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
  background: var(--panel);
}

.flow-node::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -13px;
  width: 13px;
  height: 1px;
  background: var(--line-strong);
}

.flow-node:last-child::after {
  display: none;
}

.flow-node strong {
  display: block;
  color: var(--accent);
  font-size: 0.88rem;
}

.flow-node h3 {
  margin: 18px 0 0;
  font-size: 1.2rem;
}

.flow-node p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.process-card {
  padding: 24px;
}

.process-card strong {
  color: var(--accent);
}

.product-shell {
  display: grid;
  grid-template-columns: 0.34fr 0.66fr;
  gap: 18px;
  align-items: stretch;
}

.product-list {
  display: grid;
  gap: 12px;
}

.product-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
  background: var(--panel);
}

.product-item span {
  display: block;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 800;
}

.product-item strong {
  display: block;
  margin-top: 18px;
  font-size: 1.1rem;
}

.product-item.is-active {
  border-color: var(--line-strong);
  background:
    linear-gradient(135deg, color-mix(in oklch, var(--accent) 16%, transparent), transparent),
    var(--panel);
}

.product-detail {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 26px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
  background: var(--panel);
}

.product-image {
  min-height: 360px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
}

.product-image img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
}

.theme-dark .product-image img {
  opacity: 0.62;
}

.product-detail h3 {
  margin: 12px 0 0;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  line-height: 1.1;
}

.product-detail p {
  margin: 16px 0 0;
  color: var(--muted);
  line-height: 1.75;
}

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

.news-card {
  min-height: 236px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
  background: var(--panel);
}

.news-card h3 {
  margin: 28px 0 0;
  font-size: 1.22rem;
  line-height: 1.35;
}

.news-card p {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.75;
}

.about-contact {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 24px;
  align-items: start;
}

.about-panel,
.contact-panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: clamp(24px, 4vw, 40px);
  background: var(--panel);
}

.about-panel h2,
.contact-panel h2 {
  margin: 0;
  font-size: clamp(1.9rem, 3vw, 3rem);
  line-height: 1.1;
}

.about-panel p,
.contact-panel p {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.75;
}

.service-list {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.service-list li {
  border-top: 1px solid var(--line);
  padding-top: 12px;
  color: var(--muted);
}

.contact-form {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-weight: 700;
}

.field input,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 13px 14px;
  background: var(--surface);
  color: var(--ink);
}

.field textarea {
  min-height: 128px;
  resize: vertical;
}

.form-note {
  min-height: 24px;
  margin: 0;
  color: var(--accent);
  font-weight: 700;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  color: var(--muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(260px, 2fr) repeat(3, 1fr);
  gap: 28px;
}

.footer-grid div {
  display: grid;
  align-content: start;
  gap: 9px;
}

.footer-grid strong,
.footer-grid span {
  color: var(--ink);
}

.footer-grid p {
  margin: 0;
}

.footer-grid a:hover {
  color: var(--accent);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

@media (prefers-reduced-motion: no-preference) {
  .hero-copy,
  .cta-row,
  .hero-status-grid,
  .hero-media,
  .intro-card,
  .business-card,
  .focus-grid,
  .solution-showcase,
  .solution-card,
  .capability-card,
  .scenario-card,
  .flow-node,
  .process-card,
  .product-item,
  .product-detail,
  .news-card {
    animation: rise-in 620ms cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .scan-layer {
    animation: scan-pulse 9s ease-in-out infinite alternate;
  }
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scan-pulse {
  from {
    opacity: 0.32;
    transform: translate3d(-1%, 0, 0);
  }

  to {
    opacity: 0.56;
    transform: translate3d(1%, 0, 0);
  }
}

@media (max-width: 1120px) {
  .nav-menu {
    gap: 16px;
    font-size: 0.88rem;
  }

  .brand-text span {
    max-width: 11em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

@media (max-width: 980px) {
  .hero-grid,
  .solution-layout,
  .solution-showcase,
  .capability-grid,
  .scenario-grid,
  .product-shell,
  .product-detail,
  .about-contact {
    grid-template-columns: 1fr;
  }

  .solution-lead {
    position: static;
  }

  .solution-tabs {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .focus-grid,
  .intro-grid,
  .architecture-flow,
  .process-steps,
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .flow-node::after {
    display: none;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .nav-inner {
    min-height: 64px;
  }

  .brand-text span {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .nav-menu {
    position: absolute;
    top: 64px;
    left: 14px;
    right: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 10px;
    background: var(--surface);
    box-shadow: var(--shadow);
  }

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

  .nav-menu a {
    padding: 13px 12px;
    border-radius: 8px;
  }

  .nav-menu a:hover {
    background: var(--surface-2);
  }

  .hero {
    min-height: auto;
    padding: 46px 0 42px;
  }

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

  .hero h1 {
    max-width: 100%;
    font-size: clamp(1.9rem, 9.5vw, 2.55rem);
  }

  .hero-copy {
    margin-top: 18px;
    line-height: 1.58;
  }

  .cta-row {
    margin-top: 22px;
  }

  .hero-status-grid {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 24px;
  }

  .hero-media,
  .hero-media img {
    height: 260px;
    min-height: 0;
  }

  .scenario-image,
  .scenario-image img {
    min-height: 280px;
  }

  .focus-grid,
  .intro-grid,
  .business-grid,
  .solution-showcase,
  .detail-grid,
  .capability-main,
  .scenario-list,
  .architecture-flow,
  .process-steps,
  .product-shell,
  .product-detail,
  .news-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .intro-card {
    min-height: auto;
  }

  .intro-card strong {
    margin-top: 26px;
  }

  .focus-item {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .focus-item:last-child {
    border-bottom: 0;
  }

  .capability-card.featured {
    grid-column: auto;
    grid-template-columns: 1fr;
  }

  .solution-detail h3 {
    max-width: 100%;
  }

  .solution-tab {
    min-height: auto;
  }

  .product-image,
  .product-image img {
    min-height: 240px;
  }

  .section {
    padding: 62px 0;
  }

  .footer-inner {
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}