:root {
  color-scheme: light;
  --ink: #241f1a;
  --ink-soft: #5e564f;
  --muted: #84786e;
  --line: rgba(36, 31, 26, 0.13);
  --line-strong: rgba(36, 31, 26, 0.2);
  --paper: #fffdf8;
  --surface: #f7f3ec;
  --surface-strong: #eee6da;
  --surface-warm: #fbf7ef;
  --accent: #c86843;
  --accent-dark: #8e3f25;
  --accent-soft: #f2c8b4;
  --olive: #727862;
  --shadow: 0 22px 60px rgba(55, 42, 32, 0.09), 0 2px 8px rgba(55, 42, 32, 0.06);
  --container: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255, 253, 248, 0.72), rgba(247, 243, 236, 0.92)),
    var(--surface);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 clamp(20px, 4vw, 56px);
  background: rgba(255, 253, 248, 0.88);
  box-shadow: 0 1px 0 var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  gap: 12px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  color: #fffdf8;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.12), transparent 42%),
    #2b231d;
  box-shadow: inset 0 0 0 1px rgba(255, 253, 248, 0.12), 0 10px 22px rgba(55, 42, 32, 0.16);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  color: var(--ink);
  font-size: 17px;
  line-height: 1.1;
  overflow-wrap: anywhere;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 34px);
  color: #4a4139;
  font-size: 14px;
  font-weight: 650;
}

.nav-links a {
  position: relative;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.nav-links a::after {
  position: absolute;
  right: 0;
  bottom: 10px;
  left: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--accent);
  content: "";
  opacity: 0;
  transform: scaleX(0.44);
  transition: opacity 180ms ease, transform 180ms ease;
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.hero {
  position: relative;
  min-height: clamp(590px, 78svh, 760px);
  display: flex;
  align-items: center;
  isolation: isolate;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255, 253, 248, 0.96) 0%, rgba(249, 244, 235, 0.96) 54%, rgba(237, 226, 212, 0.92) 100%),
    var(--surface);
}

.hero::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(rgba(36, 31, 26, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 31, 26, 0.045) 1px, transparent 1px),
    repeating-linear-gradient(115deg, transparent 0 84px, rgba(200, 104, 67, 0.08) 85px 86px);
  background-size: 68px 68px, 68px 68px, 260px 260px;
  content: "";
  opacity: 0.72;
  transform: translate3d(0, 0, 0);
  animation: field-shift 22s linear infinite;
}

.hero::after {
  position: absolute;
  inset: auto 0 0;
  z-index: 1;
  height: 150px;
  background: linear-gradient(180deg, rgba(247, 243, 236, 0), var(--surface));
  content: "";
}

.hero-inner {
  position: relative;
  z-index: 3;
  width: min(100% - 40px, var(--container));
  margin: 0 auto;
  padding: 84px min(48vw, 600px) 104px 0;
}

.hero-tech {
  position: absolute;
  inset: 82px clamp(20px, 6vw, 94px) 104px auto;
  z-index: 2;
  width: min(40vw, 520px);
  min-width: 390px;
  pointer-events: none;
}

.tech-panel {
  position: absolute;
  right: 0;
  top: 9%;
  width: min(100%, 510px);
  height: 430px;
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 253, 248, 0.94), rgba(249, 244, 235, 0.9)),
    var(--paper);
  box-shadow: var(--shadow), inset 0 0 0 1px rgba(36, 31, 26, 0.11);
  overflow: hidden;
  animation: panel-float 8s ease-in-out infinite;
}

.tech-panel::before {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent, rgba(200, 104, 67, 0.12), transparent),
    repeating-linear-gradient(0deg, transparent 0 32px, rgba(36, 31, 26, 0.055) 33px 34px);
  content: "";
  opacity: 0.72;
  transform: translateX(-60%);
  animation: panel-sweep 6.5s ease-in-out infinite;
}

.tech-panel-top {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 10px;
  height: 62px;
  align-items: center;
  padding: 0 26px;
  border-bottom: 1px solid var(--line);
}

.tech-panel-top span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #d8cbbd;
  box-shadow: inset 0 0 0 1px rgba(36, 31, 26, 0.08);
}

.tech-panel-top span:nth-child(2) {
  background: var(--accent-soft);
}

.tech-panel-top span:nth-child(3) {
  background: #b9bea6;
}

.tech-panel-body {
  position: relative;
  z-index: 1;
  height: calc(100% - 62px);
  padding: 34px 36px;
}

.tech-meter {
  height: 12px;
  margin-bottom: 22px;
  border-radius: 999px;
  background:
    linear-gradient(90deg, var(--accent), rgba(200, 104, 67, 0.28)),
    rgba(36, 31, 26, 0.07);
  transform-origin: left center;
  animation: meter-breathe 5.2s ease-in-out infinite;
}

.meter-a {
  width: 78%;
}

.meter-b {
  width: 58%;
  animation-delay: 0.7s;
}

.meter-c {
  width: 68%;
  animation-delay: 1.3s;
}

.tech-chart {
  position: absolute;
  right: 38px;
  bottom: 34px;
  left: 36px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
  align-items: end;
  height: 150px;
}

.tech-chart span {
  border-radius: 8px 8px 3px 3px;
  background:
    linear-gradient(180deg, rgba(200, 104, 67, 0.88), rgba(142, 63, 37, 0.38)),
    rgba(36, 31, 26, 0.06);
  box-shadow: inset 0 0 0 1px rgba(36, 31, 26, 0.05);
  animation: chart-breathe 4.8s ease-in-out infinite;
}

.tech-chart span:nth-child(1) {
  height: 42%;
}

.tech-chart span:nth-child(2) {
  height: 70%;
  animation-delay: 0.4s;
}

.tech-chart span:nth-child(3) {
  height: 54%;
  animation-delay: 0.8s;
}

.tech-chart span:nth-child(4) {
  height: 88%;
  animation-delay: 1.2s;
}

.tech-chart span:nth-child(5) {
  height: 62%;
  animation-delay: 1.6s;
}

.tech-ring,
.tech-node {
  position: absolute;
}

.tech-ring {
  border-radius: 999px;
  border: 1px solid rgba(36, 31, 26, 0.12);
  opacity: 0.7;
  animation: ring-drift 8s ease-in-out infinite;
}

.ring-a {
  right: 78%;
  top: 18%;
  width: 130px;
  height: 130px;
}

.ring-b {
  right: 3%;
  top: 68%;
  width: 180px;
  height: 180px;
  animation-delay: 1.5s;
}

.tech-node {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--accent);
  opacity: 0.72;
  animation: node-drift 7s ease-in-out infinite;
}

.node-a {
  right: 72%;
  top: 62%;
}

.node-b {
  right: 18%;
  top: 18%;
  animation-delay: 1.1s;
}

.node-c {
  right: 48%;
  top: 78%;
  animation-delay: 2.2s;
}

.eyebrow,
.section-kicker {
  margin: 0 0 16px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 720px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(48px, 7vw, 82px);
  line-height: 0.98;
  letter-spacing: 0;
  text-wrap: balance;
  overflow-wrap: anywhere;
}

.hero-copy {
  max-width: 660px;
  margin: 28px 0 0;
  color: var(--ink-soft);
  font-size: 21px;
  text-wrap: pretty;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hero-badges span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 8px;
  color: #4d443c;
  background: rgba(255, 253, 248, 0.68);
  box-shadow: inset 0 0 0 1px var(--line);
  font-size: 13px;
  font-weight: 750;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease, color 180ms ease;
}

.primary-action {
  color: #fffdf8;
  background: #2c231d;
  box-shadow: 0 14px 28px rgba(44, 35, 29, 0.16);
}

.secondary-action {
  color: var(--ink);
  background: rgba(255, 253, 248, 0.72);
  box-shadow: inset 0 0 0 1px var(--line-strong);
}

.primary-action:hover,
.primary-action:focus-visible {
  background: var(--accent-dark);
  transform: translateY(-2px);
}

.secondary-action:hover,
.secondary-action:focus-visible {
  color: var(--accent-dark);
  background: var(--paper);
  transform: translateY(-2px);
}

.primary-action:active,
.secondary-action:active {
  transform: scale(0.96);
}

.section {
  padding: clamp(72px, 9vw, 112px) 0;
  background: var(--paper);
}

.section.muted,
.intro {
  background: var(--surface);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(320px, 1fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: start;
}

.section h2 {
  margin: 0;
  max-width: 760px;
  color: var(--ink);
  font-size: 44px;
  line-height: 1.12;
  letter-spacing: 0;
  text-wrap: balance;
  overflow-wrap: anywhere;
}

.intro p:not(.section-kicker),
.contact-panel p,
.solution-card p,
.scene-item span,
.capability-copy,
.capability-list p,
.process-step p,
.advantage-item p {
  color: var(--ink-soft);
  text-wrap: pretty;
}

.intro-content > p {
  margin: 8px 0 0;
  font-size: 18px;
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(180px, 100%), 1fr));
  gap: 12px;
  margin-top: 28px;
}

.fact-grid div {
  min-height: 108px;
  padding: 18px;
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.74);
  box-shadow: inset 0 0 0 1px var(--line);
}

.fact-grid span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.fact-grid strong {
  display: block;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 36px;
}

.section-heading.compact {
  align-items: start;
}

.section-summary {
  max-width: 420px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 16px;
  text-wrap: pretty;
}

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

.solution-card {
  min-height: 430px;
  padding: 26px;
  border-radius: 8px;
  background: var(--paper);
  box-shadow: inset 0 0 0 1px var(--line);
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.solution-card:hover {
  background: #fffaf2;
  transform: translateY(-3px);
  box-shadow: inset 0 0 0 1px rgba(200, 104, 67, 0.26), 0 18px 42px rgba(55, 42, 32, 0.08);
}

.card-index,
.capability-list span,
.process-step span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  color: #fffdf8;
  background: #2f2821;
  font-size: 13px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.solution-card:nth-child(2) .card-index,
.capability-list article:nth-child(2) span,
.process-step:nth-child(2) span {
  background: var(--accent);
}

.solution-card:nth-child(3) .card-index,
.capability-list article:nth-child(3) span,
.process-step:nth-child(3) span {
  background: var(--olive);
}

.solution-card:nth-child(4) .card-index,
.capability-list article:nth-child(4) span,
.process-step:nth-child(4) span,
.process-step:nth-child(5) span {
  background: var(--accent-dark);
}

.solution-card h3 {
  margin: 32px 0 12px;
  font-size: 22px;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.solution-card p {
  margin: 0;
  font-size: 15px;
}

.solution-card ul {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.solution-card li {
  position: relative;
  padding-left: 18px;
  color: #4f463e;
  font-size: 14px;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.solution-card li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent);
  content: "";
}

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

.scene-item {
  display: grid;
  gap: 8px;
  align-content: start;
  min-height: 130px;
  padding: 20px 24px;
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.74);
  box-shadow: inset 0 0 0 1px var(--line);
}

.scene-item strong {
  font-size: 18px;
  overflow-wrap: anywhere;
}

.scene-item span {
  font-size: 16px;
}

.capability-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.85fr) minmax(420px, 1.15fr);
  gap: clamp(34px, 7vw, 88px);
  align-items: start;
}

.capability-copy {
  max-width: 560px;
  margin: 24px 0 0;
  font-size: 18px;
}

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

.capability-list article {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 24px;
  border-radius: 8px;
  background: var(--paper);
  box-shadow: inset 0 0 0 1px var(--line);
}

.capability-list article > span {
  grid-row: 1 / span 2;
}

.capability-list h3,
.process-step h3 {
  margin: 0 0 8px;
  font-size: 21px;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.capability-list p,
.process-step p {
  margin: 0;
}

.capability-list article > p {
  grid-column: 2;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.process-step {
  min-height: 220px;
  padding: 22px;
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.78);
  box-shadow: inset 0 0 0 1px var(--line);
}

.process-step span {
  margin-bottom: 42px;
}

.advantage-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.2fr;
  gap: clamp(34px, 7vw, 88px);
  align-items: start;
}

.advantage-layout .section-heading {
  display: block;
  margin-bottom: 0;
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.advantage-item {
  padding: 24px;
  border-radius: 8px;
  background: var(--paper);
  box-shadow: inset 0 0 0 1px var(--line);
}

.advantage-item span {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 800;
}

.advantage-item h3 {
  margin: 0 0 8px;
  font-size: 22px;
  overflow-wrap: anywhere;
}

.advantage-item p {
  margin: 0;
}

.contact-section {
  background:
    linear-gradient(180deg, var(--surface), rgba(238, 230, 218, 0.92)),
    var(--surface-strong);
}

.contact-panel {
  display: grid;
  grid-template-columns: 1fr minmax(320px, 460px);
  gap: clamp(32px, 6vw, 80px);
  align-items: start;
  padding: clamp(28px, 5vw, 54px);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow), inset 0 0 0 1px var(--line);
}

.contact-panel p {
  max-width: 650px;
  margin: 22px 0 0;
  font-size: 18px;
}

.contact-note {
  max-width: 620px;
  margin-top: 24px;
  padding: 16px 18px;
  border-radius: 8px;
  color: #564b43;
  background: var(--surface-strong);
  font-size: 15px;
  line-height: 1.65;
}

.contact-list {
  display: grid;
  gap: 14px;
  margin: 0;
}

.contact-list div {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.contact-list div:first-child {
  padding-top: 0;
}

.contact-list div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.contact-list dt {
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.contact-list dd {
  margin: 0;
  color: var(--ink);
  font-size: 16px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.site-footer {
  padding: 28px 0;
  color: rgba(255, 253, 248, 0.72);
  background: #251f1a;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  font-size: 14px;
}

.footer-inner p {
  margin: 0;
}

@keyframes field-shift {
  0% {
    background-position: 0 0, 0 0, 0 0;
  }
  100% {
    background-position: 68px 68px, 68px 68px, 260px 0;
  }
}

@keyframes panel-float {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(0, -10px, 0);
  }
}

@keyframes panel-sweep {
  0%,
  34% {
    transform: translateX(-65%);
  }
  78%,
  100% {
    transform: translateX(65%);
  }
}

@keyframes meter-breathe {
  0%,
  100% {
    transform: scaleX(0.72);
    opacity: 0.76;
  }
  50% {
    transform: scaleX(1);
    opacity: 1;
  }
}

@keyframes chart-breathe {
  0%,
  100% {
    transform: scaleY(0.72);
    opacity: 0.78;
  }
  50% {
    transform: scaleY(1);
    opacity: 1;
  }
}

@keyframes ring-drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 0.55;
  }
  50% {
    transform: translate3d(-8px, 8px, 0) scale(1.04);
    opacity: 0.84;
  }
}

@keyframes node-drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
    opacity: 0.58;
  }
  50% {
    transform: translate3d(10px, -12px, 0);
    opacity: 0.92;
  }
}

@media (max-width: 1100px) {
  .nav-links {
    display: none;
  }

  .hero-inner {
    padding-right: 0;
  }

  .hero-tech {
    inset: auto -96px 28px auto;
    width: 480px;
    min-width: 0;
    opacity: 0.26;
  }

  .hero h1 {
    max-width: 760px;
  }

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

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

@media (max-width: 980px) {
  .hero {
    min-height: 680px;
  }

  .hero-copy {
    max-width: 720px;
    font-size: 19px;
  }

  .section h2 {
    font-size: 36px;
  }

  .intro-grid,
  .capability-layout,
  .advantage-layout,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .section-heading {
    display: block;
  }

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

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

@media (max-width: 760px) {
  .process-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .container,
  .hero-inner {
    width: min(100% - 28px, var(--container));
  }

  .site-header {
    min-height: 64px;
    padding: 0 14px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand strong {
    font-size: 15px;
  }

  .brand small {
    font-size: 11px;
  }

  .hero {
    min-height: 620px;
  }

  .hero-inner {
    padding: 56px 0 84px;
  }

  .hero h1 {
    font-size: 42px;
  }

  .hero-copy {
    font-size: 17px;
  }

  .hero-tech {
    display: none;
  }

  .primary-action,
  .secondary-action {
    width: 100%;
  }

  .solution-grid,
  .fact-grid,
  .scene-grid,
  .capability-list article,
  .process-grid,
  .scene-item {
    grid-template-columns: 1fr;
  }

  .hero-badges span {
    min-height: 32px;
    font-size: 12px;
  }

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

  .scene-item {
    gap: 6px;
  }

  .capability-list article,
  .process-step {
    min-height: auto;
  }

  .capability-list article > span,
  .capability-list article > p {
    grid-column: auto;
    grid-row: auto;
  }

  .process-step span {
    margin-bottom: 28px;
  }

  .contact-panel {
    padding: 24px 18px;
  }

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

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