:root {
  --ink: #0a1c2d;
  --ink-soft: #2d4458;
  --muted: #667889;
  --paper: #f1f6f8;
  --white: #ffffff;
  --gold: #18a94f;
  --gold-light: #b8f3ca;
  --gold-on-dark: #66ed90;
  --line: #d6e1e7;
  --dark: #061a2b;
  --dark-soft: #0c263b;
  --container: 1180px;
  --section-space: clamp(5rem, 9vw, 8rem);
  --focus: #0878d1;
}

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

html {
  color-scheme: light;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--white);
  color: var(--ink);
  font-family: "Microsoft YaHei UI", "PingFang SC", "Hiragino Sans GB", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

button,
summary,
a {
  -webkit-tap-highlight-color: transparent;
}

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

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  background: var(--white);
  color: var(--ink);
  border: 2px solid var(--ink);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1.4;
  text-transform: uppercase;
}

.section-heading {
  max-width: 760px;
  margin-bottom: clamp(2.25rem, 5vw, 4rem);
}

.section-heading.center {
  margin-inline: auto;
  text-align: center;
}

.section-heading h2,
.intro-copy h2,
.contact-copy h2,
.faq-heading h2 {
  position: relative;
  margin: 0;
  padding-bottom: 1.1rem;
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.17;
}

.section-heading h2::after,
.intro-copy h2::after,
.contact-copy h2::after,
.faq-heading h2::after {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 42px;
  height: 2px;
  background: var(--gold);
  content: "";
}

.section-heading.center h2::after {
  left: 50%;
  transform: translateX(-50%);
}

.section-heading > p:last-child,
.faq-heading > p:last-child {
  margin: 1.4rem 0 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  background: var(--white);
  border-bottom: 1px solid rgba(20, 20, 20, 0.1);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 28px;
  align-items: center;
  min-height: 88px;
}

.brand {
  display: flex;
  gap: 16px;
  align-items: center;
  min-width: 0;
  text-decoration: none;
}

.brand picture {
  flex: 0 0 auto;
}

.brand-logo {
  width: 154px;
  height: 58px;
  object-fit: contain;
}

.brand-copy {
  padding-left: 15px;
  border-left: 1px solid var(--line);
  line-height: 1.25;
}

.brand-copy strong {
  display: block;
  white-space: nowrap;
  font-size: 0.9rem;
  font-weight: 700;
}

.brand-copy span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  white-space: nowrap;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.desktop-nav {
  justify-self: end;
}

.desktop-nav ul,
.footer-nav ul {
  display: flex;
  gap: clamp(14px, 1.7vw, 26px);
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

.desktop-nav a {
  position: relative;
  padding: 8px 0;
  color: #333;
  font-size: 0.88rem;
  text-decoration: none;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 1px;
  background: var(--gold);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.desktop-nav a:hover::after,
.desktop-nav a:focus-visible::after,
.desktop-nav a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.phone-button,
.hero-cta,
.text-link,
.back-home {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.72rem 1.2rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
}

.phone-button {
  background: var(--ink);
  color: var(--white);
  border: 1px solid var(--ink);
  border-radius: 2px;
  font-size: 0.86rem;
  white-space: nowrap;
}

.phone-button img,
.hero-cta img,
.text-link img,
.contact-link img,
.footer-contact img,
.back-home img {
  width: 17px;
  height: 17px;
}

.phone-button img,
.contact-link img,
.footer-contact img,
.back-home img {
  filter: invert(1);
}

.mobile-nav {
  display: none;
  position: relative;
  justify-self: end;
}

.mobile-nav > summary {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 16px;
  background: var(--ink);
  color: var(--white);
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 700;
  list-style: none;
}

.mobile-nav > summary::-webkit-details-marker {
  display: none;
}

.mobile-nav-panel {
  position: absolute;
  top: calc(100% + 13px);
  right: 0;
  width: min(330px, calc(100vw - 32px));
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.18);
}

.mobile-nav-panel a {
  display: block;
  padding: 11px 4px;
  border-bottom: 1px solid #ece9e1;
  font-weight: 600;
  text-decoration: none;
}

.mobile-nav-panel .mobile-phone {
  margin-top: 12px;
  padding: 13px 14px;
  background: var(--gold);
  color: var(--ink);
  border-bottom: 0;
  text-align: center;
}

.hero {
  position: relative;
  display: grid;
  min-height: clamp(660px, 70vw, 790px);
  align-items: center;
  overflow: hidden;
  background: #041524;
  color: var(--white);
}

.hero-media,
.hero-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-media img {
  object-fit: cover;
  object-position: center center;
  animation: hero-settle 1100ms cubic-bezier(0.2, 0.75, 0.25, 1) both;
}

.hero::after {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(2, 14, 25, 0.88) 0%, rgba(3, 20, 34, 0.72) 48%, rgba(3, 18, 31, 0.34) 100%),
    linear-gradient(0deg, rgba(2, 15, 26, 0.34), rgba(2, 15, 26, 0.08));
  content: "";
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-block: 5.5rem;
}

.hero-kicker {
  display: flex;
  gap: 13px;
  align-items: center;
  margin: 0 0 1.2rem;
  color: var(--gold-light);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.hero-kicker::before {
  width: 38px;
  height: 1px;
  background: var(--gold);
  content: "";
}

.hero h1 {
  max-width: 1010px;
  margin: 0;
  font-size: clamp(3.1rem, 7.35vw, 6.5rem);
  font-weight: 580;
  letter-spacing: -0.06em;
  line-height: 0.98;
  text-wrap: balance;
}

.hero-title-part {
  display: block;
}

.hero-subtitle {
  margin: 1.2rem 0 0;
  color: #f6f2ea;
  font-size: clamp(1.3rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.hero-description {
  max-width: 650px;
  margin: 1.6rem 0 0;
  color: rgba(255, 255, 255, 0.79);
  font-size: clamp(0.98rem, 1.6vw, 1.12rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-top: 2rem;
}

.hero-cta {
  min-height: 54px;
  padding-inline: 1.55rem;
  background: var(--gold-light);
  color: var(--ink);
  border: 1px solid var(--gold-light);
}

.hero-cta img {
  filter: none;
}

.hero-plain-link {
  padding: 8px 0;
  color: var(--white);
  font-weight: 650;
  text-decoration-color: var(--gold);
}

.hero-industries {
  display: flex;
  flex-wrap: wrap;
  gap: 9px 16px;
  align-items: center;
  margin-top: 2.8rem;
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.86rem;
}

.hero-industries strong {
  color: var(--white);
}

@keyframes hero-settle {
  from {
    opacity: 0.72;
    transform: scale(1.035);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

.intro-section {
  padding-block: var(--section-space);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(360px, 0.96fr);
  gap: clamp(3rem, 7vw, 7rem);
  align-items: center;
}

.intro-copy > p:not(.eyebrow) {
  max-width: 670px;
  margin: 1.5rem 0 0;
  color: var(--ink-soft);
  font-size: 1.04rem;
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 2.7rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.fact {
  min-width: 0;
}

.fact strong {
  display: block;
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 1.15;
}

.fact span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.55;
}

.intro-visual {
  position: relative;
  padding: clamp(2.2rem, 5vw, 4.5rem);
  min-height: 470px;
  background:
    radial-gradient(circle at 72% 18%, rgba(24, 169, 79, 0.16), transparent 34%),
    linear-gradient(145deg, #071c2e, #0d3148);
  border: 1px solid var(--line);
  color: var(--white);
  overflow: hidden;
}

.intro-visual::before {
  position: absolute;
  top: 22px;
  left: 22px;
  width: 52px;
  height: 2px;
  background: var(--gold);
  content: "";
}

.delivery-map {
  position: relative;
  display: grid;
  min-height: 330px;
  place-items: center;
}

.delivery-map::before,
.delivery-map::after {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  content: "";
}

.delivery-map::before {
  width: 250px;
  height: 250px;
}

.delivery-map::after {
  width: 330px;
  height: 330px;
  border-style: dashed;
}

.delivery-core {
  position: relative;
  z-index: 2;
  display: grid;
  width: 126px;
  height: 126px;
  place-items: center;
  padding: 18px;
  background: var(--gold);
  color: #041524;
  border-radius: 50%;
  font-size: 1.08rem;
  font-weight: 800;
  line-height: 1.35;
  text-align: center;
}

.delivery-node {
  position: absolute;
  z-index: 2;
  min-width: 92px;
  padding: 0.72rem 0.9rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-align: center;
}

.delivery-node:nth-of-type(2) { top: 5%; left: 7%; }
.delivery-node:nth-of-type(3) { top: 7%; right: 3%; }
.delivery-node:nth-of-type(4) { bottom: 7%; left: 1%; }
.delivery-node:nth-of-type(5) { right: 6%; bottom: 3%; }

.delivery-caption {
  position: absolute;
  right: 0;
  bottom: -34px;
  left: 0;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-align: center;
}

.intro-visual img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
}

.loop-section {
  padding-block: var(--section-space);
  background: var(--paper);
}

.loop-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin-top: 3.5rem;
  border-block: 1px solid var(--line);
}

.loop-step {
  position: relative;
  min-height: 260px;
  padding: 2.2rem clamp(1.1rem, 2.4vw, 2rem);
  border-right: 1px solid var(--line);
}

.loop-step:last-child {
  border-right: 0;
}

.loop-number {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  background: var(--ink);
  color: var(--white);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
}

.loop-step h3 {
  margin: 2rem 0 0.8rem;
  font-size: 1.28rem;
  line-height: 1.3;
}

.loop-step p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.services-section {
  padding-block: var(--section-space);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.service-card {
  display: grid;
  grid-template-columns: minmax(180px, 0.42fr) minmax(0, 0.58fr);
  min-height: 430px;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line);
}

.service-media {
  min-height: 100%;
  background: #dbe8ee;
}

.service-media picture,
.service-media img {
  width: 100%;
  height: 100%;
}

.service-media img {
  object-fit: cover;
  object-position: center;
}

.service-art {
  position: relative;
  min-height: 100%;
  overflow: hidden;
  isolation: isolate;
}

.service-art::before,
.service-art::after {
  position: absolute;
  content: "";
}

.service-art::before {
  z-index: -2;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 30px 30px;
  mask-image: linear-gradient(to bottom, #000, transparent 86%);
}

.service-art::after {
  z-index: -1;
  width: 280px;
  height: 280px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-32%, -30%);
}

.art-software {
  background: linear-gradient(155deg, #08233a, #0d5a72);
  color: var(--white);
}

.art-mobile {
  background: linear-gradient(155deg, #e8fff0, #63d88b);
  color: var(--ink);
}

.art-web {
  background: linear-gradient(155deg, #edf8ff, #79b8db);
  color: var(--ink);
}

.art-ai {
  background:
    radial-gradient(circle at 22% 18%, rgba(102, 237, 144, 0.48), transparent 30%),
    linear-gradient(155deg, #071b2d, #153d5c);
  color: var(--white);
}

.art-mark {
  position: absolute;
  top: 50%;
  left: 50%;
  font-size: clamp(3.2rem, 7vw, 5.6rem);
  font-weight: 800;
  letter-spacing: -0.09em;
  line-height: 1;
  transform: translate(-50%, -50%);
}

.art-node {
  position: absolute;
  display: grid;
  min-width: 64px;
  min-height: 34px;
  place-items: center;
  padding: 0.45rem 0.62rem;
  background: rgba(255, 255, 255, 0.13);
  border: 1px solid currentColor;
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  opacity: 0.76;
}

.art-node-a {
  top: 14%;
  right: 10%;
}

.art-node-b {
  bottom: 20%;
  left: 9%;
}

.art-node-c {
  right: 7%;
  bottom: 8%;
}

.art-caption {
  position: absolute;
  top: 25px;
  left: 24px;
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  writing-mode: vertical-rl;
}

.service-body {
  display: flex;
  flex-direction: column;
  padding: clamp(1.5rem, 3vw, 2.35rem);
}

.service-topline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.35rem;
}

.service-icon {
  display: grid;
  width: 45px;
  height: 45px;
  place-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 50%;
}

.service-icon img {
  width: 21px;
  height: 21px;
}

.service-index {
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.13em;
}

.service-card h3 {
  margin: 0 0 1rem;
  font-size: clamp(1.45rem, 2.6vw, 2rem);
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.service-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.93rem;
}

.service-card p + p {
  margin-top: 0.85rem;
}

.cases-section {
  padding-block: var(--section-space);
  background: var(--dark);
  color: var(--white);
}

.cases-section .section-heading > p:last-child {
  color: rgba(255, 255, 255, 0.64);
}

.cases-section .eyebrow,
.contact-panel .eyebrow,
.subpage-hero .eyebrow {
  color: var(--gold-on-dark);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.case-card {
  min-width: 0;
  overflow: hidden;
  background: var(--dark-soft);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.case-media {
  aspect-ratio: 1000 / 562;
  overflow: hidden;
  background: #2a2a2a;
}

.case-media picture,
.case-media img {
  width: 100%;
  height: 100%;
}

.case-media img {
  object-fit: cover;
  transition: transform 260ms ease;
}

.case-card:hover .case-media img {
  transform: scale(1.018);
}

.case-body {
  padding: 1.45rem;
}

.case-category {
  display: inline-block;
  margin-bottom: 0.8rem;
  color: var(--gold-light);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.13em;
}

.case-card h3 {
  margin: 0;
  font-size: 1.28rem;
  line-height: 1.38;
}

.case-client {
  margin: 0.65rem 0 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 0.83rem;
}

.case-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: 1.35rem 0 0;
  padding-block: 1.2rem;
  border-block: 1px solid rgba(255, 255, 255, 0.15);
}

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

.case-metrics > div {
  min-width: 0;
  padding-inline: 0.5rem;
  border-right: 1px solid rgba(255, 255, 255, 0.13);
}

.case-metrics > div:first-child {
  padding-left: 0;
}

.case-metrics > div:last-child {
  padding-right: 0;
  border-right: 0;
}

.case-metrics dt {
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.67rem;
  line-height: 1.35;
}

.case-metrics dd {
  margin: 0.42rem 0 0;
  color: var(--white);
  font-size: clamp(0.88rem, 1.3vw, 1.08rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.2;
  white-space: nowrap;
  overflow-wrap: normal;
}

.case-card details {
  margin-top: 1.1rem;
}

.case-card summary,
.faq-item summary {
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  list-style: none;
}

.case-card summary::-webkit-details-marker,
.faq-item summary::-webkit-details-marker {
  display: none;
}

.case-card summary {
  min-height: 42px;
  color: var(--gold-light);
  font-size: 0.82rem;
  font-weight: 700;
}

.case-card summary img,
.faq-item summary > img {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  transition: transform 180ms ease;
}

.case-card summary img {
  filter: invert(88%) sepia(30%) saturate(738%) hue-rotate(346deg) brightness(99%) contrast(90%);
}

.case-card details[open] summary img,
.faq-item[open] summary > img {
  transform: rotate(180deg);
}

.case-detail {
  display: grid;
  gap: 1rem;
  padding: 1rem 0 0.3rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.82rem;
}

.case-detail h4 {
  margin: 0 0 0.4rem;
  color: var(--white);
  font-size: 0.82rem;
}

.case-detail p,
.case-detail ul {
  margin: 0;
}

.case-detail ul {
  padding-left: 1.15rem;
}

.case-detail li + li {
  margin-top: 0.3rem;
}

.about-contact {
  padding-block: var(--section-space);
  background: var(--paper);
}

.about-contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(480px, 1.25fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: stretch;
}

.about-panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(2rem, 4.5vw, 3.5rem);
  background: var(--white);
  border: 1px solid var(--line);
}

.about-panel h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.15rem);
  letter-spacing: -0.04em;
  line-height: 1.17;
}

.about-panel > p {
  margin: 1.4rem 0 0;
  color: var(--muted);
}

.about-panel .about-note {
  margin-top: 3rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 700;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 210px;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
  padding: clamp(2rem, 5vw, 4rem);
  background: var(--dark);
  color: var(--white);
}

.contact-copy h2::after {
  background: var(--gold);
}

.contact-copy > p {
  margin: 1.35rem 0 0;
  color: rgba(255, 255, 255, 0.62);
}

.contact-list {
  display: grid;
  gap: 1rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.contact-link {
  display: inline-flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--white);
  font-size: 0.94rem;
  overflow-wrap: anywhere;
  text-decoration-color: var(--gold);
}

.contact-link img {
  flex: 0 0 auto;
  margin-top: 5px;
}

.contact-link.no-link {
  text-decoration: none;
}

.qr-card {
  padding: 12px;
  background: var(--white);
  color: var(--ink);
}

.qr-card img {
  width: 100%;
}

.qr-card p {
  margin: 0.7rem 0 0;
  text-align: center;
  font-size: 0.72rem;
  line-height: 1.45;
}

.site-footer {
  padding-block: 3.1rem 2rem;
  background: #0c0d0c;
  color: rgba(255, 255, 255, 0.72);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto minmax(250px, 0.8fr);
  gap: 48px;
  align-items: start;
}

.footer-brand .brand-logo {
  width: 178px;
  height: auto;
  padding: 8px;
  background: var(--white);
}

.footer-brand p {
  margin: 1rem 0 0;
  font-size: 0.84rem;
}

.footer-title {
  margin: 0 0 0.9rem;
  color: var(--white);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
}

.footer-nav ul {
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 7px 24px;
}

.footer-nav a,
.footer-contact a {
  font-size: 0.82rem;
  text-decoration-color: rgba(255, 255, 255, 0.35);
}

.footer-contact {
  display: grid;
  gap: 8px;
}

.footer-contact a,
.footer-contact span {
  display: inline-flex;
  gap: 9px;
  align-items: flex-start;
  overflow-wrap: anywhere;
}

.footer-contact img {
  flex: 0 0 auto;
  margin-top: 5px;
}

.footer-bottom {
  display: flex;
  gap: 20px;
  justify-content: space-between;
  margin-top: 2.7rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.76rem;
}

.footer-bottom p {
  margin: 0;
}

.footer-bottom a {
  text-decoration-color: rgba(255, 255, 255, 0.35);
}

.back-to-top {
  position: fixed;
  z-index: 50;
  right: 18px;
  bottom: 18px;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  background: var(--gold);
  color: var(--ink);
  border: 1px solid rgba(0, 0, 0, 0.2);
  text-decoration: none;
}

.back-to-top img {
  width: 18px;
  height: 18px;
}

.subpage-hero {
  padding-block: clamp(4.5rem, 8vw, 7.5rem);
  background: var(--dark);
  color: var(--white);
}

.breadcrumbs {
  margin-bottom: 2.1rem;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.8rem;
  list-style: none;
}

.breadcrumbs li + li::before {
  margin-right: 8px;
  color: var(--gold-on-dark);
  content: "/";
}

.subpage-hero h1 {
  max-width: 1100px;
  margin: 0;
  font-size: clamp(2.7rem, 7vw, 5.7rem);
  font-weight: 600;
  letter-spacing: -0.055em;
  line-height: 1.05;
  text-wrap: balance;
}

.subpage-title-part {
  display: inline;
}

.subpage-hero p {
  max-width: 780px;
  margin: 1.5rem 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 1.04rem;
}

.faq-section {
  padding-block: var(--section-space);
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(230px, 0.34fr) minmax(0, 0.66fr);
  gap: clamp(2.5rem, 7vw, 7rem);
  align-items: start;
}

.faq-heading {
  position: sticky;
  top: 128px;
}

.faq-list {
  border-top: 1px solid var(--line);
}

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

.faq-item summary {
  min-height: 88px;
  padding-block: 1rem;
  color: var(--ink);
  font-size: 1rem;
  font-weight: 700;
}

.question-wrap {
  display: flex;
  gap: 18px;
  align-items: center;
  min-width: 0;
}

.question-number {
  flex: 0 0 auto;
  color: var(--gold);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.question-text {
  min-width: 0;
}

.faq-answer {
  padding: 0 2.2rem 1.5rem 2.55rem;
  color: var(--muted);
}

.faq-answer p {
  margin: 0;
}

.faq-contact {
  padding-block: clamp(4rem, 8vw, 6.5rem);
  background: var(--paper);
}

.faq-contact-inner {
  display: flex;
  gap: 28px;
  align-items: center;
  justify-content: space-between;
}

.faq-contact h2 {
  margin: 0;
  font-size: clamp(1.9rem, 4vw, 3.2rem);
  line-height: 1.2;
}

.faq-contact p {
  margin: 0.8rem 0 0;
  color: var(--muted);
}

.faq-contact-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 12px;
}

.text-link {
  min-height: 50px;
  background: var(--white);
  border: 1px solid var(--line);
}

.text-link.primary {
  background: var(--ink);
  color: var(--white);
  border-color: var(--ink);
}

.text-link.primary img {
  filter: invert(1);
}

.error-page {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 36px 24px;
  background: var(--dark);
  color: var(--white);
  text-align: center;
}

.error-inner {
  max-width: 700px;
}

.error-code {
  margin: 0;
  color: var(--gold);
  font-size: clamp(5rem, 21vw, 12rem);
  font-weight: 650;
  letter-spacing: -0.08em;
  line-height: 0.85;
}

.error-page h1 {
  margin: 1.8rem 0 0;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.2;
}

.error-page .error-description {
  margin: 1.2rem auto 0;
  color: rgba(255, 255, 255, 0.65);
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 2rem;
}

.back-home {
  background: var(--gold-light);
  color: var(--ink);
}

.back-home.secondary {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.35);
}

@media (max-width: 1100px) {
  .desktop-nav,
  .header-inner > .phone-button {
    display: none;
  }

  .header-inner {
    grid-template-columns: 1fr auto;
  }

  .mobile-nav {
    display: block;
  }

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

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

  .service-card {
    min-height: 400px;
  }
}

@media (max-width: 860px) {
  .intro-grid,
  .about-contact-grid,
  .faq-layout {
    grid-template-columns: 1fr;
  }

  .intro-grid {
    gap: 3.5rem;
  }

  .intro-visual {
    max-width: 580px;
  }

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

  .loop-step:nth-child(2) {
    border-right: 0;
  }

  .loop-step:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .contact-panel {
    grid-template-columns: minmax(0, 1fr) 190px;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }

  .faq-heading {
    position: static;
  }

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

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  html {
    scroll-padding-top: 78px;
  }

  .header-inner {
    gap: 12px;
    min-height: 74px;
  }

  .brand-logo {
    width: 128px;
    height: 48px;
  }

  .brand-copy {
    display: none;
  }

  .mobile-nav > summary {
    min-height: 42px;
    padding-inline: 14px;
  }

  .hero {
    min-height: 690px;
  }

  .hero-media img {
    object-position: 56% center;
  }

  .hero-content {
    padding-block: 4rem;
  }

  .hero h1 {
    font-size: clamp(2.8rem, 14.4vw, 4.2rem);
    letter-spacing: -0.07em;
    text-wrap: wrap;
  }

  .hero-title-part {
    display: block;
  }

  .subpage-hero h1 {
    text-wrap: wrap;
  }

  .subpage-title-part {
    display: block;
  }

  .hero-description {
    font-size: 0.92rem;
  }

  .hero-subtitle {
    font-size: 1.05rem;
    line-height: 1.5;
  }

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

  .hero-cta {
    width: 100%;
  }

  .hero-plain-link {
    align-self: flex-start;
  }

  .fact-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .fact {
    display: grid;
    grid-template-columns: 112px 1fr;
    gap: 14px;
    align-items: center;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
  }

  .fact:last-child {
    padding-bottom: 0;
    border-bottom: 0;
  }

  .fact span {
    margin-top: 0;
  }

  .intro-visual {
    min-height: 410px;
    padding: 2rem;
  }

  .delivery-map::before {
    width: 210px;
    height: 210px;
  }

  .delivery-map::after {
    width: 280px;
    height: 280px;
  }

  .delivery-core {
    width: 108px;
    height: 108px;
    font-size: 0.96rem;
  }

  .delivery-node {
    min-width: 80px;
    padding: 0.58rem 0.7rem;
    font-size: 0.7rem;
  }

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

  .loop-step,
  .loop-step:nth-child(2) {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .loop-step:last-child {
    border-bottom: 0;
  }

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

  .service-media {
    height: 280px;
    min-height: 0;
  }

  .service-media img {
    object-position: center 25%;
  }

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

  .case-body {
    padding: 1.25rem;
  }

  .case-metrics > div {
    padding-inline: 0.35rem;
  }

  .case-metrics dd {
    font-size: 0.9rem;
  }

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

  .qr-card {
    width: min(230px, 100%);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .subpage-hero {
    padding-block: 4rem;
  }

  .faq-item summary {
    min-height: 80px;
  }

  .faq-answer {
    padding: 0 1.7rem 1.35rem 2.15rem;
  }

  .faq-contact-actions {
    width: 100%;
    flex-direction: column;
  }

  .faq-contact-actions .text-link {
    width: 100%;
  }

  .back-to-top {
    right: 12px;
    bottom: 12px;
    width: 42px;
    height: 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  .site-header,
  .back-to-top,
  .hero-actions,
  .mobile-nav {
    display: none !important;
  }

  .hero,
  .cases-section,
  .contact-panel,
  .site-footer,
  .subpage-hero {
    background: #fff !important;
    color: #000 !important;
  }

  .hero-media {
    display: none;
  }

  .hero::after {
    content: none;
  }

  .case-card {
    break-inside: avoid;
    background: #fff;
    color: #000;
    border-color: #bbb;
  }

  .case-client,
  .case-detail,
  .case-metrics dt,
  .subpage-hero p {
    color: #444 !important;
  }

  .case-metrics dd,
  .case-detail h4 {
    color: #000;
  }
}