:root {
  color-scheme: dark;
  --ink: #f6fbff;
  --muted: #aeb9bd;
  --dim: #6f7d80;
  --bg: #080a09;
  --panel: rgba(16, 22, 20, 0.78);
  --line: rgba(216, 255, 240, 0.14);
  --cyan: #50e6ff;
  --mint: #62ffb3;
  --amber: #ffbd58;
  --red: #ff5e5b;
  --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-en: "Avenir Next", "Helvetica Neue", Arial, system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 75% 18%, rgba(80, 230, 255, 0.18), transparent 30rem),
    radial-gradient(circle at 18% 78%, rgba(255, 189, 88, 0.11), transparent 28rem),
    linear-gradient(135deg, #050605 0%, #0f1210 45%, #070909 100%);
  color: var(--ink);
  font-family: var(--font-cn);
}

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

.site-shell {
  overflow-x: hidden;
}

.topbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 18px clamp(18px, 5vw, 72px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(8, 10, 9, 0.72);
  backdrop-filter: blur(18px);
}

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

.brand-logo {
  display: block;
  width: auto;
  height: 42px;
  filter: drop-shadow(0 0 16px rgba(98, 255, 179, 0.16));
}

.footer-logo {
  height: 50px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(98, 255, 179, 0.55);
  background: linear-gradient(135deg, rgba(98, 255, 179, 0.18), rgba(80, 230, 255, 0.08));
  color: var(--mint);
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.1;
}

.brand strong {
  font-family: var(--font-en);
  font-size: 18px;
  letter-spacing: 0;
}

.brand small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 38px);
  color: #d9e5e6;
  font-size: 14px;
}

.nav-links a {
  transition: color 180ms ease;
}

.nav-links a:hover {
  color: var(--mint);
}

.nav-cta,
.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(98, 255, 179, 0.45);
  padding: 0 18px;
  font-size: 14px;
  font-weight: 700;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.nav-cta:hover,
.button:hover {
  transform: translateY(-2px);
}

.hero {
  position: relative;
  display: grid;
  min-height: 96vh;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
  align-items: center;
  gap: clamp(24px, 5vw, 80px);
  padding: 132px clamp(18px, 5vw, 72px) 64px;
}

#scanCanvas,
.scan-grid {
  position: absolute;
  inset: 0;
}

#scanCanvas {
  width: 100%;
  height: 100%;
}

.scan-grid {
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, transparent, black 18%, black 84%, transparent);
}

.hero-content,
.hero-panel,
.intro,
.services,
.workflow,
.team,
.cases,
.contact,
.site-footer {
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 940px;
  padding-bottom: 0;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--mint);
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(52px, 8vw, 108px);
  line-height: 0.96;
  font-weight: 900;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 940px;
  margin-bottom: 34px;
  color: #d3dedf;
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.8;
  white-space: nowrap;
}

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

.button.primary {
  background: linear-gradient(135deg, var(--mint), var(--cyan));
  color: #04110d;
  border-color: transparent;
}

.button.ghost {
  background: rgba(255, 255, 255, 0.04);
  color: #e9ffff;
}

.hero-panel {
  align-self: center;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 0 24px 90px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(18px);
}

.hero-panel div {
  padding: 22px;
  border-bottom: 1px solid var(--line);
}

.hero-panel div:last-child {
  border-bottom: 0;
}

.hero-panel span {
  display: block;
  margin-bottom: 8px;
  color: var(--dim);
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.hero-panel strong {
  display: block;
  font-size: clamp(19px, 2.5vw, 26px);
  line-height: 1.25;
}

.band {
  border-block: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(98, 255, 179, 0.08), transparent 28%),
    rgba(255, 255, 255, 0.025);
}

.intro,
.services,
.workflow,
.team,
.cases,
.partners,
.contact {
  padding: clamp(70px, 10vw, 128px) clamp(18px, 5vw, 72px);
}

.intro {
  display: grid;
  grid-template-columns: minmax(240px, 430px) minmax(0, 1fr);
  gap: clamp(28px, 7vw, 100px);
  align-items: start;
}

.section-heading h2,
.contact h2 {
  max-width: 860px;
  margin-bottom: 0;
  font-size: clamp(32px, 5vw, 64px);
  line-height: 1.12;
  font-weight: 900;
}

.section-note {
  max-width: 390px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}

.solve-board {
  display: grid;
  grid-template-columns: minmax(260px, 0.92fr) minmax(280px, 1.08fr);
  gap: 1px;
  margin-top: 12px;
  border: 1px solid var(--line);
  background: var(--line);
}

.solve-visual {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  background:
    linear-gradient(rgba(80, 230, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(80, 230, 255, 0.06) 1px, transparent 1px),
    radial-gradient(circle at 50% 52%, rgba(98, 255, 179, 0.18), transparent 42%),
    #07100d;
  background-size: 24px 24px, 24px 24px, auto, auto;
}

.scan-plane,
.mesh-ring,
.data-node {
  position: absolute;
  display: block;
}

.scan-plane {
  left: 14%;
  right: 14%;
  top: 50%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--mint), transparent);
  box-shadow: 0 0 30px rgba(98, 255, 179, 0.55);
}

.mesh-ring {
  left: 50%;
  top: 50%;
  width: 180px;
  height: 110px;
  border: 1px solid rgba(80, 230, 255, 0.58);
  border-radius: 50%;
  transform: translate(-50%, -50%) rotate(-16deg);
}

.mesh-ring::before,
.mesh-ring::after {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(98, 255, 179, 0.38);
  border-radius: 50%;
}

.mesh-ring::after {
  inset: -32px 32px;
  border-color: rgba(255, 189, 88, 0.4);
  transform: rotate(82deg);
}

.data-node {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 22px rgba(98, 255, 179, 0.78);
}

.node-a {
  left: 28%;
  top: 34%;
}

.node-b {
  right: 28%;
  top: 44%;
}

.node-c {
  left: 48%;
  bottom: 29%;
}

.solve-flow {
  display: grid;
  gap: 1px;
  background: var(--line);
}

.solve-flow article {
  display: grid;
  align-content: center;
  gap: 10px;
  min-height: 118px;
  padding: 24px;
  background: rgba(5, 9, 8, 0.82);
}

.solve-flow span {
  color: var(--cyan);
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.solve-flow strong {
  color: #f5fffb;
  font-size: clamp(20px, 2.4vw, 30px);
  line-height: 1.25;
}

.solve-tags {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.solve-tags span {
  min-height: 74px;
  display: grid;
  place-items: center;
  padding: 14px;
  background:
    linear-gradient(135deg, rgba(98, 255, 179, 0.08), transparent 60%),
    #0a0e0c;
  color: #dff8ee;
  font-weight: 800;
  text-align: center;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 42px;
  background: var(--line);
  border: 1px solid var(--line);
}

.service-card {
  position: relative;
  min-height: 340px;
  padding: 28px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), transparent),
    #0b0f0d;
  transition:
    background 180ms ease,
    transform 180ms ease;
}

.service-card:hover {
  transform: translateY(-6px);
  background:
    linear-gradient(180deg, rgba(98, 255, 179, 0.12), rgba(80, 230, 255, 0.04)),
    #0c110f;
}

.card-index {
  position: relative;
  z-index: 2;
  color: var(--amber);
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 800;
}

.service-card h3,
.timeline-item h3,
.case-feature h3,
.case-list h3 {
  position: relative;
  z-index: 2;
  margin: 28px 0 14px;
  font-size: 24px;
  line-height: 1.25;
}

.service-card p,
.timeline-item p,
.case-feature p,
.case-list p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.8;
}

.service-visual {
  position: relative;
  height: 150px;
  margin: 28px 0 8px;
  border: 1px solid rgba(216, 255, 240, 0.1);
  background:
    linear-gradient(rgba(80, 230, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(80, 230, 255, 0.06) 1px, transparent 1px),
    rgba(3, 8, 8, 0.56);
  background-size: 22px 22px;
}

.service-visual i {
  position: absolute;
  display: block;
}

.scan-card .service-visual i:nth-child(1) {
  inset: 50% 12% auto;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--mint), transparent);
  box-shadow: 0 0 26px rgba(98, 255, 179, 0.55);
}

.scan-card .service-visual i:nth-child(2) {
  left: 50%;
  top: 26px;
  width: 82px;
  height: 82px;
  border: 1px dotted rgba(80, 230, 255, 0.72);
  border-radius: 50%;
  transform: translateX(-50%);
}

.scan-card .service-visual i:nth-child(3) {
  left: 50%;
  top: 52px;
  width: 118px;
  height: 46px;
  border: 1px solid rgba(98, 255, 179, 0.52);
  border-radius: 50%;
  transform: translateX(-50%) rotate(-12deg);
}

.cad-card .service-visual i {
  border: 1px solid rgba(80, 230, 255, 0.68);
}

.cad-card .service-visual i:nth-child(1) {
  left: 28%;
  top: 38px;
  width: 96px;
  height: 70px;
  transform: skew(-12deg);
}

.cad-card .service-visual i:nth-child(2) {
  left: 43%;
  top: 54px;
  width: 96px;
  height: 70px;
  border-color: rgba(98, 255, 179, 0.6);
  transform: skew(-12deg);
}

.cad-card .service-visual i:nth-child(3) {
  left: 30%;
  top: 112px;
  width: 142px;
  height: 1px;
  background: var(--amber);
  border: 0;
}

.asset-card .service-visual i:nth-child(1) {
  left: 50%;
  top: 36px;
  width: 88px;
  height: 88px;
  border: 1px solid rgba(98, 255, 179, 0.72);
  transform: translateX(-50%) rotate(45deg);
}

.asset-card .service-visual i:nth-child(2) {
  left: 50%;
  top: 48px;
  width: 112px;
  height: 64px;
  border: 1px solid rgba(80, 230, 255, 0.62);
  transform: translateX(-50%) rotate(-10deg);
}

.asset-card .service-visual i:nth-child(3) {
  left: 50%;
  top: 38px;
  width: 2px;
  height: 90px;
  background: linear-gradient(var(--mint), var(--cyan));
}

.inspect-card .service-visual i {
  left: 50%;
  top: 50%;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.inspect-card .service-visual i:nth-child(1) {
  width: 120px;
  height: 120px;
  border: 1px solid rgba(98, 255, 179, 0.42);
}

.inspect-card .service-visual i:nth-child(2) {
  width: 76px;
  height: 76px;
  border: 1px solid rgba(80, 230, 255, 0.56);
}

.inspect-card .service-visual i:nth-child(3) {
  width: 16px;
  height: 16px;
  background: var(--red);
  box-shadow: 0 0 30px rgba(255, 94, 91, 0.76);
}

.tag-row {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.tag-row span {
  border: 1px solid rgba(98, 255, 179, 0.26);
  padding: 7px 10px;
  color: #dff8ee;
  font-size: 13px;
  font-weight: 800;
  background: rgba(98, 255, 179, 0.06);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
  margin-top: 48px;
}

.timeline-item {
  position: relative;
  padding-top: 28px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--mint), rgba(80, 230, 255, 0.12));
}

.timeline-item span {
  color: var(--cyan);
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.team {
  display: grid;
  grid-template-columns: minmax(260px, 420px) minmax(0, 1fr);
  gap: clamp(28px, 7vw, 90px);
  align-items: start;
}

.team-board {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

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

.team-board article {
  position: relative;
  min-height: 300px;
  padding: 26px;
  overflow: hidden;
  background:
    linear-gradient(145deg, rgba(80, 230, 255, 0.06), transparent 52%),
    #0a0e0c;
}

.about-board article {
  min-height: 320px;
}

.about-board article::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(98, 255, 179, 0.13), transparent 1px),
    linear-gradient(rgba(80, 230, 255, 0.09), transparent 1px);
  background-size: 34px 34px;
  opacity: 0.24;
  pointer-events: none;
}

.about-board h3,
.about-board p,
.about-board .team-orbit {
  position: relative;
}

.team-orbit {
  position: relative;
  display: block;
  height: 120px;
  margin-bottom: 36px;
}

.team-orbit::before,
.team-orbit::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  border: 1px solid rgba(98, 255, 179, 0.52);
  border-radius: 50%;
  transform: translate(-50%, -50%) rotate(-18deg);
}

.team-orbit::before {
  width: 112px;
  height: 54px;
}

.team-orbit::after {
  width: 72px;
  height: 112px;
  border-color: rgba(80, 230, 255, 0.46);
  transform: translate(-50%, -50%) rotate(28deg);
}

.team-board article:nth-child(2) .team-orbit::before {
  border-radius: 4px;
  transform: translate(-50%, -50%) skew(-14deg);
}

.team-board article:nth-child(3) .team-orbit::before,
.team-board article:nth-child(3) .team-orbit::after {
  border-radius: 0;
}

.team-board article:nth-child(4) .team-orbit::before {
  width: 92px;
  height: 92px;
  border-radius: 8px;
  transform: translate(-50%, -50%) rotate(45deg);
}

.team-board h3 {
  margin: 0 0 12px;
  font-size: 24px;
}

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

.case-layout {
  display: grid;
  grid-template-columns: minmax(320px, 1.05fr) minmax(280px, 0.95fr);
  gap: 28px;
  margin-top: 46px;
}

.case-feature,
.case-list article {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
}

.case-feature {
  min-height: 500px;
  padding: clamp(24px, 4vw, 42px);
}

.model-preview {
  position: relative;
  height: 300px;
  margin-bottom: 34px;
  overflow: hidden;
  border: 1px solid rgba(80, 230, 255, 0.2);
  background:
    repeating-linear-gradient(90deg, transparent 0 18px, rgba(80, 230, 255, 0.05) 18px 19px),
    repeating-linear-gradient(0deg, transparent 0 18px, rgba(98, 255, 179, 0.05) 18px 19px),
    radial-gradient(circle at 50% 45%, rgba(80, 230, 255, 0.22), transparent 48%),
    #070a09;
}

.model-preview span {
  position: absolute;
  left: 50%;
  top: 50%;
  display: block;
  border: 1px solid rgba(98, 255, 179, 0.66);
  transform-style: preserve-3d;
  animation: orbit 7s linear infinite;
}

.model-preview span:nth-child(1) {
  width: 180px;
  height: 180px;
  margin: -90px 0 0 -90px;
  border-radius: 50%;
}

.model-preview span:nth-child(2) {
  width: 230px;
  height: 120px;
  margin: -60px 0 0 -115px;
  border-color: rgba(80, 230, 255, 0.55);
  animation-duration: 8.5s;
  animation-direction: reverse;
}

.model-preview span:nth-child(3) {
  width: 110px;
  height: 240px;
  margin: -120px 0 0 -55px;
  border-color: rgba(255, 189, 88, 0.58);
  animation-duration: 10s;
}

@keyframes orbit {
  from {
    transform: rotateX(68deg) rotateZ(0deg);
  }
  to {
    transform: rotateX(68deg) rotateZ(360deg);
  }
}

.case-list {
  display: grid;
  gap: 18px;
}

.case-list article {
  position: relative;
  min-height: 156px;
  padding: 28px;
  overflow: hidden;
}

.case-list article::after {
  content: "";
  position: absolute;
  right: 26px;
  bottom: 22px;
  width: 86px;
  height: 86px;
  border: 1px solid rgba(80, 230, 255, 0.2);
  background:
    linear-gradient(45deg, transparent 48%, rgba(98, 255, 179, 0.42) 49% 51%, transparent 52%),
    linear-gradient(-45deg, transparent 48%, rgba(80, 230, 255, 0.32) 49% 51%, transparent 52%);
  opacity: 0.8;
}

.case-list h3 {
  margin-top: 0;
}

.case-meta {
  display: grid;
  gap: 1px;
  margin: 30px 0 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.case-meta div {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 20px;
  padding: 18px;
  background: rgba(8, 10, 9, 0.62);
}

.case-meta dt,
.case-meta dd {
  margin: 0;
  line-height: 1.7;
}

.case-meta dt {
  color: var(--mint);
  font-size: 13px;
  font-weight: 800;
}

.case-meta dd {
  color: #dce7e4;
}

.case-list span {
  position: relative;
  z-index: 2;
  display: inline-block;
  margin-top: 20px;
  color: var(--amber);
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 800;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 28px;
  border: 1px solid var(--line);
  background: var(--line);
}

.proof-grid article {
  position: relative;
  min-height: 210px;
  padding: 24px;
  overflow: hidden;
  background:
    linear-gradient(145deg, rgba(80, 230, 255, 0.07), transparent 46%),
    #0a0e0c;
}

.proof-grid article::before {
  content: "";
  display: block;
  width: 58px;
  height: 58px;
  margin-bottom: 22px;
  border: 1px solid rgba(98, 255, 179, 0.5);
  background:
    linear-gradient(90deg, transparent 48%, rgba(80, 230, 255, 0.45) 49% 51%, transparent 52%),
    linear-gradient(0deg, transparent 48%, rgba(255, 189, 88, 0.42) 49% 51%, transparent 52%);
  transform: rotate(12deg);
}

.proof-grid strong {
  display: block;
  margin-bottom: 14px;
  font-size: 20px;
  line-height: 1.35;
}

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

.partners {
  display: grid;
  grid-template-columns: minmax(220px, 360px) minmax(0, 1fr);
  gap: clamp(28px, 7vw, 90px);
  align-items: center;
}

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

.partner-logo {
  position: relative;
  display: grid;
  min-height: 128px;
  place-items: center;
  overflow: hidden;
  background: rgba(5, 9, 8, 0.78);
}

.partner-logo::before {
  content: "";
  width: 68px;
  height: 38px;
  border: 1px solid rgba(98, 255, 179, 0.36);
  background:
    linear-gradient(90deg, transparent 46%, rgba(80, 230, 255, 0.5) 47% 53%, transparent 54%),
    linear-gradient(0deg, transparent 46%, rgba(255, 189, 88, 0.42) 47% 53%, transparent 54%);
  transform: skew(-16deg);
}

.partner-logo span {
  position: absolute;
  bottom: 18px;
  color: #dce7e4;
  font-size: 13px;
  font-weight: 800;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: clamp(28px, 6vw, 80px);
  align-items: center;
  padding-bottom: 92px;
}

.contact-stack {
  display: grid;
  gap: 12px;
}

.contact-method {
  position: relative;
  display: grid;
  gap: 8px;
  min-height: 92px;
  padding: 22px;
  border: 1px solid rgba(98, 255, 179, 0.24);
  background:
    linear-gradient(135deg, rgba(98, 255, 179, 0.12), transparent 42%),
    rgba(8, 10, 9, 0.72);
}

.contact-method span {
  color: var(--mint);
  font-size: 13px;
  font-weight: 900;
}

.contact-method strong {
  color: #f7fffc;
  font-size: 22px;
}

.wechat-method::after,
.phone-method::after,
.mail-method::after {
  position: absolute;
  right: 22px;
  top: 24px;
  color: rgba(255, 255, 255, 0.18);
  font-family: var(--font-en);
  font-size: 34px;
  font-weight: 900;
}

.wechat-method::after {
  content: "WX";
}

.phone-method::after {
  content: "TEL";
}

.mail-method::after {
  content: "MAIL";
}

.wechat-method:hover .contact-qr,
.wechat-method:focus-visible .contact-qr {
  opacity: 1;
  transform: translate(-50%, 0);
}

.site-footer {
  padding: 0 clamp(18px, 5vw, 72px) 28px;
  border-top: 1px solid var(--line);
  background:
    radial-gradient(circle at 80% 10%, rgba(80, 230, 255, 0.13), transparent 28rem),
    #050706;
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(320px, 1fr) minmax(320px, 0.95fr);
  gap: clamp(30px, 5vw, 72px);
  padding: 68px 0 50px;
}

.footer-brand p,
.footer-map p {
  max-width: 360px;
  margin: 22px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.footer-brand .social-icons {
  margin-top: 28px;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 34px;
}

.footer-nav h3,
.footer-map h3 {
  margin: 0 0 16px;
  color: #f3fbf8;
  font-size: 16px;
}

.footer-nav a,
.footer-map p {
  display: block;
  margin: 0 0 11px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.footer-nav p {
  margin: 0 0 11px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.footer-nav a {
  transition: color 180ms ease;
}

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

.social-icons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.social-link {
  position: relative;
  display: inline-grid;
  width: 54px;
  height: 54px;
  place-items: center;
  margin: 0;
  border: 1px solid rgba(98, 255, 179, 0.28);
  color: #f7fffc;
  background:
    linear-gradient(135deg, rgba(98, 255, 179, 0.1), transparent 58%),
    rgba(255, 255, 255, 0.025);
  transition:
    border-color 160ms ease,
    background 160ms ease,
    transform 160ms ease;
}

.social-link img {
  display: block;
  width: 25px;
  height: 25px;
  filter: drop-shadow(0 0 10px rgba(98, 255, 179, 0.18));
}

.social-link:hover,
.social-link:focus-visible {
  border-color: rgba(98, 255, 179, 0.72);
  background:
    linear-gradient(135deg, rgba(98, 255, 179, 0.18), rgba(80, 230, 255, 0.08)),
    rgba(255, 255, 255, 0.04);
  transform: translateY(-2px);
}

.map-frame {
  position: relative;
  height: 178px;
  overflow: hidden;
  border: 1px solid rgba(98, 255, 179, 0.24);
  background:
    linear-gradient(rgba(80, 230, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(80, 230, 255, 0.06) 1px, transparent 1px),
    #07100d;
  background-size: 24px 24px;
}

.map-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
  filter: grayscale(1) invert(0.86) hue-rotate(115deg) saturate(0.65) brightness(0.82);
  opacity: 0.72;
}

.qr-card {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 14px);
  width: 136px;
  min-height: 156px;
  padding: 102px 12px 12px;
  border: 1px solid rgba(98, 255, 179, 0.32);
  background: #f5fff9;
  color: #0b1511;
  font-style: normal;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.5;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 8px);
  transition:
    opacity 160ms ease,
    transform 160ms ease;
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.32);
}

.qr-card::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 18px;
  width: 98px;
  height: 78px;
  background:
    linear-gradient(90deg, #111 10px, transparent 10px 18px, #111 18px 28px, transparent 28px 40px, #111 40px 50px, transparent 50px 60px, #111 60px 70px, transparent 70px),
    linear-gradient(#111 10px, transparent 10px 18px, #111 18px 28px, transparent 28px 40px, #111 40px 50px, transparent 50px 60px, #111 60px 70px, transparent 70px);
  background-size: 28px 28px;
  mix-blend-mode: multiply;
}

.social-link:hover .qr-card,
.social-link:focus-visible .qr-card {
  opacity: 1;
  transform: translate(-50%, 0);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  margin-top: 48px;
  padding-top: 22px;
  border-top: 1px solid rgba(216, 255, 240, 0.1);
  color: var(--dim);
  font-family: var(--font-en);
  font-size: 13px;
}

@media (max-width: 1000px) {
  .hero,
  .intro,
  .case-layout,
  .partners,
  .team,
  .contact,
  .footer-main {
    grid-template-columns: 1fr;
  }

  .hero {
    align-items: start;
  }

  .hero-content {
    padding-bottom: 0;
  }

  .hero-copy {
    white-space: normal;
  }

  .hero-panel {
    align-self: stretch;
  }

  .service-grid,
  .timeline,
  .team-board,
  .proof-grid,
  .footer-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .solve-board {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 720px) {
  .topbar {
    gap: 14px;
  }

  .nav-links {
    display: none;
  }

  .nav-cta {
    min-height: 40px;
    padding-inline: 14px;
  }

  .hero {
    min-height: auto;
    padding-top: 116px;
  }

  h1 {
    font-size: clamp(48px, 16vw, 72px);
  }

  .service-grid,
  .timeline,
  .team-board,
  .proof-grid,
  .footer-nav,
  .logo-wall {
    grid-template-columns: 1fr;
  }

  .solve-visual {
    min-height: 260px;
  }

  .solve-tags {
    grid-template-columns: 1fr;
  }

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

  .case-feature {
    min-height: auto;
  }

  .model-preview {
    height: 230px;
  }

  .social-icons {
    display: grid;
    grid-template-columns: repeat(3, 54px);
  }

  .case-meta div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .footer-bottom {
    display: grid;
  }
}