:root {
  --paper: #f6f8f7;
  --surface: #ffffff;
  --ink: #10282e;
  --muted: #617176;
  --line: #dce5e3;
  --blue: #188ca3;
  --blue-dark: #0c6f82;
  --blue-soft: #dff3f6;
  --night: #071c36;
  --night-surface: #173740;
  --night-line: #31515a;
  --night-muted: #b9c9cc;
  --max: 1200px;
  --radius: 24px;
  --shadow: 0 24px 70px rgba(26, 65, 73, 0.08);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button,
a {
  font: inherit;
}

button {
  color: inherit;
}

img {
  max-width: 100%;
}

[hidden] {
  display: none !important;
}

.site-header {
  position: absolute;
  top: 0;
  left: 50%;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100%, calc(var(--max) + 56px));
  margin: 0;
  padding: 22px 28px;
  transform: translateX(-50%);
  background: transparent;
  border-bottom: 1px solid rgba(16, 40, 46, 0.12);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}

.brand-name {
  font-size: 18px;
  font-weight: 760;
  letter-spacing: 0.02em;
}

.brand-roman {
  font-size: 11px;
  font-weight: 560;
  letter-spacing: 0.16em;
  opacity: 0.6;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.site-header nav a {
  padding: 7px 0;
  border-bottom: 1px solid transparent;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.site-header nav a:hover {
  color: var(--blue-dark);
  border-color: currentColor;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  min-width: 56px;
  min-height: 44px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  cursor: pointer;
}

.section {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 112px 28px;
  border-top: 1px solid var(--line);
}

.hero {
  position: relative;
  isolation: isolate;
  display: grid;
  align-items: center;
  width: 100%;
  min-height: max(780px, 100svh);
  margin: 0;
  padding: 142px 28px 154px;
  overflow: hidden;
}

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

.hero-media {
  position: absolute;
  z-index: -3;
  display: block;
  max-width: none;
  object-fit: cover;
  object-position: center 48%;
}

.hero-overlay {
  z-index: -2;
  background: linear-gradient(
    90deg,
    rgba(246, 248, 247, .94) 0%,
    rgba(246, 248, 247, .9) 40%,
    rgba(246, 248, 247, .86) 43%,
    rgba(246, 248, 247, .58) 48%,
    rgba(246, 248, 247, .16) 54%,
    rgba(246, 248, 247, .03) 58%,
    rgba(246, 248, 247, 0) 60%,
    rgba(246, 248, 247, 0) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(100%, var(--max));
  margin: 0 auto;
}

.culture-label,
.footer-label {
  margin: 0 0 22px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 860px;
  margin: 0;
  font-size: clamp(50px, 7.2vw, 88px);
  font-weight: 680;
  letter-spacing: -0.055em;
  line-height: 1.06;
}

.hero-claims {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  margin: 34px 0 0;
}

.hero-claims p {
  margin: 0;
  color: var(--blue-dark);
  font-size: clamp(18px, 2.2vw, 25px);
  font-weight: 650;
}

.hero-copy {
  max-width: 760px;
  margin: 30px 0 0;
  color: #465f65;
  font-size: 18px;
}

.hero-cta {
  position: absolute;
  left: 50%;
  bottom: 34px;
  z-index: 2;
  display: grid;
  justify-items: center;
  gap: 2px;
  min-width: 150px;
  padding: 8px 18px 0;
  transform: translateX(-50%);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.hero-cta > span {
  padding: 3px 0;
  border-bottom: 1px solid currentColor;
}

.hero-cta:hover {
  color: var(--blue-dark);
}

.hero-cta:focus-visible {
  outline: 2px solid var(--blue-dark);
  outline-offset: 5px;
  border-radius: 10px;
}

.hero-chevron {
  display: block;
  width: 64px;
  height: 42px;
  opacity: 0.72;
  object-fit: contain;
  animation: hero-chevron-float 1.8s ease-in-out infinite;
}

@keyframes hero-chevron-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(7px); }
}

.section-heading {
  display: grid;
  justify-items: center;
  gap: 14px;
  max-width: 940px;
  margin: 0 auto 64px;
  text-align: center;
}

.section-title {
  margin: 0;
  font-size: clamp(40px, 4.8vw, 56px);
  font-weight: 680;
  letter-spacing: -0.04em;
  line-height: 1.12;
}

.section-subtitle {
  max-width: 820px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 520;
  letter-spacing: -0.02em;
  line-height: 1.45;
}

.partner-grid {
  margin: 0;
  padding: 0;
  list-style: none;
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(440px, 1fr);
  gap: 72px;
  align-items: start;
}

.about-copy {
  display: grid;
  gap: 20px;
}

.about-copy p,
.service-system-intro,
.responsibility-copy p,
.contact-copy > p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.company-carousel {
  position: relative;
  min-width: 0;
}

.carousel-track {
  display: grid;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--blue-soft);
  box-shadow: var(--shadow);
}

.carousel-slide {
  grid-area: 1 / 1;
  height: 100%;
  margin: 0;
}

.carousel-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 4px;
  min-height: 44px;
  margin-top: 2px;
}

.carousel-dots button {
  position: relative;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.carousel-dots button::before {
  position: absolute;
  top: calc(50% - 2.5px);
  right: 8px;
  left: 8px;
  height: 5px;
  border-radius: 999px;
  background: #b8c8ca;
  content: "";
}

.carousel-dots button[aria-current="true"]::before {
  background: var(--blue);
}

.card-number {
  color: var(--blue);
  font-size: 12px;
  font-weight: 750;
}

.technology-carousel {
  position: relative;
  margin-top: 64px;
  padding: 20px 72px;
  overflow: hidden;
  perspective: 1600px;
}

.technology-carousel-track {
  position: relative;
  height: 500px;
}

.technology-card {
  position: absolute;
  top: 10px;
  left: 50%;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(300px, 1fr) minmax(0, 2fr);
  width: min(100%, 1080px);
  height: 480px;
  overflow: hidden;
  border: 1px solid rgba(47, 128, 255, 0.16);
  border-radius: 28px;
  background: #f7fbff;
  box-shadow: 0 24px 60px rgba(33, 82, 157, 0.16);
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%) scale(0.8);
  transform-origin: center;
  transition: transform 560ms cubic-bezier(0.22, 1, 0.36, 1), opacity 420ms ease;
  will-change: transform, opacity;
}

.technology-card[data-position="active"] {
  z-index: 4;
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) scale(1);
}

.technology-card[data-position="previous"] {
  z-index: 2;
  opacity: 0.56;
  transform: translateX(-66%) scale(0.88) rotateY(6deg);
}

.technology-card[data-position="next"] {
  z-index: 2;
  opacity: 0.56;
  transform: translateX(-34%) scale(0.88) rotateY(-6deg);
}

.technology-card[data-position="hidden"] {
  z-index: 1;
  opacity: 0;
  transform: translateX(-50%) scale(0.8);
}

.technology-card-copy {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 44px 40px;
  border-right: 1px solid rgba(47, 128, 255, 0.12);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(239, 247, 255, 0.96));
}

.technology-card-count {
  color: var(--blue);
  font-size: 13px;
  font-weight: 760;
  letter-spacing: 0.08em;
}

.technology-card-copy h3 {
  margin: 18px 0 18px;
  color: var(--ink);
  font-size: clamp(28px, 2.5vw, 36px);
  line-height: 1.22;
}

.technology-card-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.technology-card-progress {
  display: flex;
  gap: 7px;
  margin-top: 28px;
}

.technology-card-progress i {
  width: 18px;
  height: 4px;
  border-radius: 999px;
  background: #d8e6f7;
}

.technology-card-progress i.is-current {
  width: 34px;
  background: var(--blue);
}

.technology-card-visual {
  position: relative;
  min-width: 0;
  height: 100%;
  overflow: hidden;
  background: #f4f8ff;
}

.technology-card-media {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 793 / 496;
  object-fit: contain;
  background: #f4f8ff;
}

.technology-carousel-button {
  position: absolute;
  top: 50%;
  z-index: 8;
  display: none;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  padding: 0;
  border: 1px solid rgba(47, 128, 255, 0.24);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 12px 30px rgba(33, 82, 157, 0.18);
  cursor: pointer;
  transform: translateY(-50%);
}

.js .technology-carousel-button { display: flex; }
.technology-carousel-prev { left: 18px; }
.technology-carousel-next { right: 18px; }

.technology-carousel-button img {
  width: 24px;
  height: 24px;
}

.technology-carousel:focus-visible,
.technology-carousel-button:focus-visible {
  outline: 3px solid rgba(47, 128, 255, 0.36);
  outline-offset: 4px;
}

.services {
  width: min(calc(100% - 40px), var(--max));
  margin-block: 60px;
  padding-inline: 52px;
  border: 0;
  border-radius: 32px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.service-system-intro {
  max-width: 760px;
  margin: 34px auto 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
  text-align: center;
}

.service-experience {
  display: grid;
  grid-template-columns: minmax(340px, .82fr) minmax(0, 1.48fr);
  gap: 24px;
  align-items: stretch;
  margin-top: 54px;
}

.service-audience-list {
  display: grid;
  gap: 12px;
  align-content: start;
}

.service-audience-card {
  position: relative;
  display: grid;
  grid-template-columns: 148px minmax(0, 1fr);
  gap: 16px;
  width: 100%;
  min-height: 154px;
  padding: 8px 34px 8px 8px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  text-align: left;
  transition: border-color 220ms ease, background 220ms ease, box-shadow 220ms ease, transform 220ms ease;
}

.service-audience-card > img:not(.service-audience-chevron) {
  display: block;
  width: 148px;
  height: 138px;
  object-fit: cover;
  object-position: center top;
  border-radius: 14px;
}

.service-audience-chevron {
  position: absolute;
  top: 50%;
  right: 10px;
  width: 18px;
  height: 18px;
  transform: translateY(-50%);
  opacity: .56;
}

.service-audience-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  padding: 4px 8px 4px 0;
}

.service-audience-title {
  display: block;
  font-size: 20px;
  font-weight: 760;
  line-height: 1.3;
}

.service-audience-summary {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.service-audience-statement {
  display: block;
  margin-top: 8px;
  color: var(--blue-dark);
  font-size: 12px;
  font-weight: 650;
  line-height: 1.5;
}

.service-audience-card:hover {
  border-color: #b8d4d8;
  box-shadow: 0 12px 28px rgba(26, 65, 73, .08);
}

.service-audience-card[aria-selected="true"] {
  border-color: var(--ink);
  background: var(--surface);
  box-shadow: inset 4px 0 var(--blue), 0 16px 36px rgba(26, 65, 73, .12);
  transform: translateX(6px);
}

.service-panel-stack {
  position: relative;
  min-width: 0;
  overflow: hidden;
  padding: 48px 52px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--paper);
  transition: height 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

.service-panel {
  display: flex;
  min-height: 402px;
  flex-direction: column;
  justify-content: center;
  padding: 0;
}

.service-panel.is-entering {
  opacity: 0;
}

.service-panel.is-entering-from-right {
  transform: translateX(46px);
}

.service-panel.is-entering-from-left {
  transform: translateX(-46px);
}

.service-panel.is-entering.is-entering-active {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 320ms ease, transform 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

.service-panel.is-leaving-to-left {
  transform: translateX(-46px);
}

.service-panel.is-leaving-to-right {
  transform: translateX(46px);
}

.service-panel.is-leaving {
  opacity: 0;
  transition: opacity 320ms ease, transform 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

.service-panel h3 {
  max-width: 650px;
  margin: 0 0 24px;
  font-size: clamp(36px, 4vw, 50px);
  letter-spacing: -0.035em;
  line-height: 1.2;
}

.service-panel > p {
  max-width: 660px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.service-tags li {
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--blue-dark);
  font-size: 13px;
}

.mini-showcase-panel {
  display: grid;
  grid-template-columns: minmax(240px, .31fr) minmax(0, .69fr);
  gap: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: rgba(255, 255, 255, .82);
  box-shadow: 0 24px 60px rgba(32, 67, 82, .1);
}

.mini-showcase-product {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 34px 24px;
  border-radius: 24px;
  background: linear-gradient(150deg, #f0edff 0%, #e7f4ff 100%);
}

.mini-showcase-audience {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 700;
  letter-spacing: .04em;
}

.mini-showcase-audience span {
  margin: 0 .18em;
  color: var(--blue);
  font-size: 1.2em;
  font-weight: 800;
}

.mini-showcase-phone {
  width: min(100%, 238px);
  padding: 8px;
  border-radius: 32px;
  background: #152a34;
  box-shadow: 0 24px 46px rgba(19, 49, 63, .2);
}

.mini-showcase-phone img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1440 / 3113;
  object-fit: contain;
  border-radius: 25px;
  background: #fff;
}

.mini-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.mini-feature-card {
  position: relative;
  min-height: 280px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(145deg, #f5f2ff, #edf7ff);
  box-shadow: 0 14px 32px rgba(35, 70, 86, .08);
}

.mini-feature-art {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mini-feature-copy {
  position: absolute;
  inset: auto 0 0;
  padding: 56px 24px 24px;
  background: linear-gradient(180deg, rgba(250, 252, 255, 0) 0%, rgba(250, 252, 255, .9) 40%, #fafcff 76%);
}

.mini-feature-copy h3 {
  margin: 0 0 9px;
  color: var(--ink);
  font-size: clamp(22px, 2.2vw, 28px);
}

.mini-feature-copy p {
  margin: 0;
  color: #506872;
  line-height: 1.75;
}

@media (min-width: 1101px) and (hover: hover) and (pointer: fine) {
  .mini-feature-card {
    transition: transform 220ms cubic-bezier(0.22, 1, 0.36, 1), box-shadow 220ms cubic-bezier(0.22, 1, 0.36, 1), border-color 220ms cubic-bezier(0.22, 1, 0.36, 1);
  }

  .mini-feature-card:hover {
    z-index: 2;
    border-color: rgba(47, 128, 255, .24);
    box-shadow: 0 22px 42px rgba(35, 70, 86, .15);
    transform: translateY(-6px);
  }
}

.culture {
  padding: 0;
  background: transparent;
  color: var(--ink);
}

.culture-night {
  padding: 120px 0;
  background: var(--night);
  color: white;
}

.culture-values {
  padding: 100px 0 110px;
  background: var(--surface);
}

.culture-philosophy {
  padding: 110px 0 150px;
  background: linear-gradient(180deg, #dff3f6 0%, #eaf7f8 72%, var(--paper) 100%);
}

.culture-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding-inline: 28px;
}

.culture-label {
  margin: 0 0 14px;
  color: #7bd7e4;
  font-size: clamp(18px, 1.8vw, 20px);
  font-weight: 720;
}

.culture-night .section-title { color: white; }
.culture-night .section-subtitle { color: var(--night-muted); }
.culture-values .culture-label,
.culture-philosophy .culture-label { color: var(--blue-dark); }

.culture-leads {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--night-line);
  border-bottom: 1px solid var(--night-line);
}

.culture-leads article {
  padding: 38px 32px 46px;
  border-right: 1px solid var(--night-line);
}

.culture-leads article:first-child { padding-left: 0; }
.culture-leads article:last-child {
  padding-right: 0;
  border-right: 0;
}

.culture-leads h3,
.philosophy-grid h3 {
  margin: 0 0 20px;
  font-size: 28px;
  line-height: 1.35;
}

.culture-leads article > p:not(.culture-label) {
  margin: 0 0 14px;
  color: var(--night-muted);
}

.culture-subheading {
  margin: 0 0 30px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.values-grid article {
  min-height: 280px;
  padding: 28px;
  border: 1px solid #d7e9ed;
  border-radius: 20px;
  background: #f8fcfd;
  box-shadow: 0 18px 42px rgba(26, 83, 101, 0.07);
}

.values-grid h4 {
  margin: 0 0 12px;
  color: var(--ink);
  font-size: 26px;
}

.values-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 64px 70px;
  margin-top: 0;
}

.philosophy-grid article {
  padding-top: 28px;
  border-top: 1px solid rgba(24, 140, 163, 0.24);
}

.philosophy-grid p {
  margin: 0 0 14px;
  color: #5e6e73;
}

.philosophy-grid li { color: #5e6e73; }
.philosophy-grid ul {
  display: grid;
  gap: 6px;
  margin: 0 0 22px;
  padding-left: 20px;
}

.responsibility {
  width: 100%;
  padding: 112px 0;
  background: radial-gradient(circle at 18% 12%, rgba(24, 140, 163, 0.24), transparent 36%), var(--night);
  color: white;
}

.responsibility-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.8fr);
  gap: 90px;
  align-items: end;
  width: min(100%, var(--max));
  margin: 0 auto;
  padding-inline: 28px;
}

.responsibility .section-heading {
  justify-items: center;
  margin: 0;
  text-align: center;
}

.responsibility .section-title { color: white; }
.responsibility .section-subtitle { color: #bdd5e3; }

.responsibility-copy {
  display: grid;
  gap: 20px;
  padding-bottom: 8px;
}

.responsibility-copy p { color: #c7d9e4; }

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

.contact-heading {
  grid-column: 1 / -1;
  margin-bottom: 64px;
}

.contact-code-grid {
  display: contents;
}

.contact-body {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, .65fr);
  gap: 84px;
  align-items: start;
}

.contact-body .code-card {
  margin-top: 54px;
}

.contact dl {
  margin: 36px 0 0;
}

.contact dl div {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 16px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
}

.contact dt {
  color: var(--muted);
  font-size: 14px;
}

.contact dd {
  margin: 0;
  overflow-wrap: anywhere;
  font-weight: 650;
}

.code-card {
  margin: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.code-card img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}

.code-card figcaption {
  padding: 14px 4px 2px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

footer {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 92px 28px 0;
  border-top: 1px solid var(--line);
}

.footer-closing {
  display: grid;
  justify-items: center;
  text-align: center;
}

.closing-line {
  max-width: 1120px;
  margin: 0 auto;
  color: var(--ink);
  font-size: clamp(34px, 3.7vw, 44px);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.45;
  text-wrap: balance;
}

.js .closing-line[data-closing-reveal] {
  opacity: 0;
  transform: translateY(24px);
}

.js .closing-line[data-closing-reveal].is-visible {
  opacity: 1;
  transform: none;
  transition: opacity 700ms cubic-bezier(0.22, 1, 0.36, 1), transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

.footer-meta {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 20px;
  margin-top: 84px;
  padding: 26px 0 50px;
  border-top: 1px solid var(--line);
  background: var(--surface);
  box-shadow: 0 0 0 100vmax var(--surface);
  clip-path: inset(0 -100vmax);
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

.footer-beian {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  color: inherit;
  text-decoration: none;
  transition: color 180ms ease;
}

.footer-beian:hover,
.footer-beian:focus-visible {
  color: var(--ink);
}

.footer-meta > span:nth-child(2) {
  justify-self: center;
}

:focus-visible {
  outline: 3px solid #57bed0;
  outline-offset: 4px;
}

@media (min-width: 1101px) {
  .service-panel-stack { transition: none; }

  .hero-copy {
    max-width: 470px;
  }

  .about-layout {
    grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
    gap: 64px;
    align-items: stretch;
  }

  .company-carousel {
    min-height: 0;
  }

  .carousel-track {
    position: absolute;
    inset: 0;
    aspect-ratio: auto;
  }

  .carousel-dots {
    position: absolute;
    left: 50%;
    bottom: 12px;
    z-index: 2;
    min-height: 44px;
    margin-top: 0;
    padding: 0 8px;
    transform: translateX(-50%);
    border-radius: 999px;
    background: rgba(246, 248, 247, 0.82);
    box-shadow: 0 4px 18px rgba(16, 40, 46, 0.14);
  }

  .technology-card-visual--framed .technology-card-media {
    transform: scale(1.04);
    transform-origin: center;
  }

  .technology-card-visual--framed::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    box-shadow: inset 0 0 28px 10px rgba(244, 248, 255, .94);
  }

  .mini-program .section-heading {
    max-width: none;
  }

  .mini-program .section-subtitle {
    max-width: none;
    white-space: nowrap;
  }

  .contact-body {
    grid-template-columns: minmax(0, 60fr) minmax(0, 40fr);
    grid-template-areas:
      "intro ."
      "details codes";
    column-gap: 48px;
    row-gap: 0;
    align-items: stretch;
  }

  .contact-copy {
    display: contents;
  }

  .contact-copy > p {
    grid-area: intro;
  }

  .contact-copy > dl {
    display: grid;
    grid-area: details;
    grid-template-rows: repeat(4, minmax(0, 1fr));
  }

  .contact-copy > dl > div {
    align-items: center;
  }

  .contact-code-grid {
    display: grid;
    grid-area: codes;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    min-width: 0;
    margin-top: 36px;
    align-self: stretch;
  }

  .contact-code-grid .code-card {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    min-width: 0;
    min-height: 0;
    height: 100%;
    margin: 0;
  }

  .contact-code-grid .code-card figcaption {
    padding: 2px 4px 14px;
  }

  .contact-code-grid .code-card img {
    height: 100%;
    min-height: 0;
    object-fit: contain;
  }

  .partners-heading {
    margin-bottom: 48px;
  }

  .partner-grid {
    display: grid;
    grid-template-columns: repeat(4, 124px);
    justify-content: center;
    gap: 18px;
  }

  .partner-card {
    display: grid;
    place-items: center;
    width: 124px;
    height: 124px;
    border: 1px solid var(--line);
    border-radius: 28px;
    background: var(--surface);
    box-shadow: 0 20px 42px rgba(32, 67, 82, .11);
  }

  .partner-card img {
    width: auto;
    height: auto;
    max-width: 56px;
    max-height: 56px;
    object-fit: contain;
  }

  .partner-card .partner-logo--alibaba,
  .partner-card .partner-logo--baidu {
    max-width: 68px;
    max-height: 44px;
  }
}

@media (min-width: 981px) and (max-width: 1100px) {
  .services {
    padding-inline: 40px;
  }

  .service-experience {
    grid-template-columns: minmax(300px, .8fr) minmax(0, 1.4fr);
    gap: 20px;
  }

  .service-audience-card {
    grid-template-columns: 116px minmax(0, 1fr);
    gap: 12px;
    min-height: 140px;
    padding: 8px 30px 8px 8px;
  }

  .service-audience-card > img:not(.service-audience-chevron) {
    width: 116px;
    height: 122px;
  }

  .service-audience-title { font-size: 18px; }
  .service-audience-summary { font-size: 12px; }
  .service-audience-statement { font-size: 12px; }

  .service-panel-stack {
    padding: 36px;
  }

  .service-panel {
    min-height: 360px;
  }

  .service-panel h3 {
    font-size: clamp(32px, 4vw, 42px);
  }
}

@media (max-width: 1080px) {
  .site-header nav {
    gap: 16px;
  }

  .about-layout {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .company-carousel {
    width: 100%;
    max-width: 820px;
  }

  .culture-leads {
    grid-template-columns: 1fr;
  }

  .culture-leads article,
  .culture-leads article:first-child,
  .culture-leads article:last-child {
    padding: 36px 0;
    border-right: 0;
    border-bottom: 1px solid var(--night-line);
  }

  .culture-leads article:last-child {
    border-bottom: 0;
  }

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

  .contact-body {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .contact-code-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 280px));
    justify-content: center;
    gap: 20px;
    margin-top: 36px;
  }

  .contact-body .code-card {
    width: 100%;
    margin: 0;
  }

  .partner-grid {
    display: grid;
    grid-template-columns: repeat(4, 104px);
    justify-content: center;
    gap: 16px;
  }

  .partner-card {
    display: grid;
    place-items: center;
    width: 104px;
    height: 104px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: var(--surface);
    box-shadow: 0 16px 34px rgba(32, 67, 82, .1);
  }

  .partner-card img {
    width: auto;
    height: auto;
    max-width: 52px;
    max-height: 52px;
    object-fit: contain;
  }

  .partner-card .partner-logo--alibaba,
  .partner-card .partner-logo--baidu {
    max-width: 64px;
    max-height: 40px;
  }
}

@media (max-width: 980px) {
  .services {
    padding-inline: 32px;
  }

  .service-experience {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 44px;
  }

  .service-audience-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .service-audience-card {
    grid-template-columns: 1fr;
    align-content: start;
    gap: 12px;
    min-height: 330px;
    padding: 12px 28px 16px 12px;
    transform: none;
  }

  .service-audience-card[aria-selected="true"] {
    transform: none;
  }

  .service-audience-card > img:not(.service-audience-chevron) {
    width: 100%;
    height: 150px;
  }

  .service-audience-copy {
    padding: 0 4px;
  }

  .service-panel-stack {
    width: 100%;
    min-width: 0;
    padding: 32px;
  }

  .service-panel {
    min-height: 320px;
  }

  .service-panel h3 {
    font-size: clamp(32px, 5vw, 42px);
  }

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

  .mini-showcase-product {
    padding-block: 30px;
  }

  .mini-showcase-phone {
    width: min(100%, 220px);
  }

  .responsibility-inner {
    grid-template-columns: 1fr;
    gap: 36px;
    align-items: start;
  }
}

@media (min-width: 761px) and (max-width: 1100px) {
  .site-header nav a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
  }

  .technology-carousel {
    padding: 20px 56px;
  }

  .technology-card {
    grid-template-columns: minmax(260px, .95fr) minmax(0, 1.35fr);
  }

  .technology-card-copy {
    padding: 32px 28px;
  }

  .technology-card-copy h3 {
    font-size: clamp(28px, 3.6vw, 34px);
  }

  .technology-card-copy p {
    font-size: 15px;
    line-height: 1.8;
  }

  .technology-carousel-button {
    width: 48px;
    height: 48px;
  }

  .technology-carousel-prev { left: 10px; }
  .technology-carousel-next { right: 10px; }

  .hero-copy {
    max-width: 560px;
  }

  .hero-overlay {
    background: linear-gradient(
      90deg,
      rgba(246, 248, 247, .94) 0%,
      rgba(246, 248, 247, .9) 52%,
      rgba(246, 248, 247, .82) 56%,
      rgba(246, 248, 247, .58) 60%,
      rgba(246, 248, 247, .22) 64%,
      rgba(246, 248, 247, .04) 68%,
      rgba(246, 248, 247, 0) 70%,
      rgba(246, 248, 247, 0) 100%
    );
  }
}

@media (min-width: 761px) and (max-height: 700px) {
  .site-header {
    padding-inline: 52px;
  }

  .hero {
    min-height: 100svh;
    padding: 96px 52px 84px;
  }

  .hero-overlay {
    background: linear-gradient(
      90deg,
      rgba(246, 248, 247, .94) 0%,
      rgba(246, 248, 247, .9) 54%,
      rgba(246, 248, 247, .82) 59%,
      rgba(246, 248, 247, .22) 68%,
      rgba(246, 248, 247, .04) 74%,
      rgba(246, 248, 247, 0) 78%,
      rgba(246, 248, 247, 0) 100%
    );
  }

  .hero h1 {
    font-size: clamp(42px, 6vw, 54px);
  }

  .hero-claims {
    margin-top: 20px;
  }

  .hero-claims p {
    font-size: 18px;
  }

  .hero-copy {
    margin-top: 18px;
    font-size: 15px;
    line-height: 1.6;
  }

  .hero-cta {
    bottom: 18px;
  }

  .hero-chevron {
    width: 54px;
    height: 34px;
  }
}

@media (max-width: 760px) {
  .technology-carousel {
    margin-top: 48px;
    padding: 10px 8px;
  }

  .technology-carousel-track {
    height: 640px;
  }

  .technology-card {
    top: 10px;
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(210px, 1fr);
    width: calc(100% - 16px);
    height: 620px;
    border-radius: 22px;
  }

  .technology-card-copy {
    padding: 28px 24px;
    border-right: 0;
    border-bottom: 1px solid rgba(47, 128, 255, 0.12);
  }

  .technology-card-copy h3 {
    margin: 14px 0;
    font-size: 28px;
  }

  .technology-card-copy p {
    font-size: 15px;
    line-height: 1.75;
  }

  .technology-card-progress {
    margin-top: 20px;
  }

  .technology-card[data-position="previous"],
  .technology-card[data-position="next"] {
    opacity: 0;
    transform: translateX(-50%) scale(.96);
  }

  .technology-carousel-button {
    width: 44px;
    height: 44px;
  }

  .technology-carousel-prev { left: 0; }
  .technology-carousel-next { right: 0; }

  html {
    scroll-padding-top: 20px;
  }

  .site-header {
    padding: 17px 20px;
  }

  .brand {
    gap: 7px;
  }

  .brand-name {
    font-size: 16px;
  }

  .brand-roman {
    font-size: 9px;
    letter-spacing: 0.12em;
  }

  .site-header nav {
    max-width: 68vw;
    gap: 16px;
    overflow-x: auto;
    white-space: nowrap;
  }

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

  .js .site-header nav {
    position: absolute;
    inset: 100% 16px auto;
    display: none;
    max-width: none;
    padding: 16px;
    overflow: visible;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--surface);
    flex-direction: column;
    align-items: stretch;
    white-space: normal;
    box-shadow: var(--shadow);
  }

  .js .site-header nav[data-open="true"] {
    display: flex;
  }

  .js .site-header nav a {
    display: flex;
    align-items: center;
    min-height: 44px;
  }

  .section {
    padding: 76px 20px;
  }

  .hero {
    min-height: max(720px, 100svh);
    padding: 112px 20px 120px;
  }

  .hero-media {
    object-position: 58% center;
  }

  .hero-overlay {
    background: linear-gradient(
      90deg,
      rgba(246, 248, 247, .94) 0%,
      rgba(246, 248, 247, .9) 68%,
      rgba(246, 248, 247, .78) 76%,
      rgba(246, 248, 247, .45) 88%,
      rgba(246, 248, 247, .18) 100%
    );
  }

  .hero h1 {
    font-size: clamp(38px, 10.6vw, 48px);
  }

  .hero-claims {
    display: grid;
    gap: 4px;
    margin-top: 24px;
  }

  .hero-claims p {
    font-size: 18px;
  }

  .hero-copy {
    max-width: 100%;
    margin-top: 22px;
    font-size: 16px;
    line-height: 1.65;
  }

  .hero-cta {
    bottom: 18px;
  }

  .hero-chevron {
    width: 58px;
    height: 38px;
  }

  .section-title { font-size: 34px; }
  .section-subtitle { font-size: 20px; }

  .about-layout {
    gap: 34px;
  }

  .company-carousel { width: 100%; }

  .about-copy p,
  .responsibility-copy p,
  .contact-copy > p {
    font-size: 16px;
  }

  .philosophy-grid,
  .responsibility {
    grid-template-columns: 1fr;
  }

  .services {
    width: calc(100% - 24px);
    margin-block: 36px;
    padding: 72px 20px;
    border-radius: 22px;
  }

  .service-system-intro {
    margin-top: 26px;
    font-size: 16px;
    line-height: 1.75;
    text-align: left;
  }

  .service-experience {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 36px;
  }

  .service-audience-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .service-audience-card {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 12px;
    min-height: 128px;
    padding: 8px 32px 8px 8px;
  }

  .service-audience-card > img:not(.service-audience-chevron) {
    width: 96px;
    height: 112px;
  }

  .service-audience-copy {
    padding: 2px 0;
  }

  .service-audience-title { font-size: 18px; }
  .service-audience-summary {
    margin-top: 6px;
    font-size: 12px;
  }
  .service-audience-statement {
    margin-top: 6px;
    font-size: 12px;
  }

  .service-panel-stack {
    min-width: 0;
    width: 100%;
    padding: 24px 20px;
    border-radius: 20px;
  }

  .service-panel {
    min-height: 0;
    padding: 0;
  }

  .service-panel h3 {
    margin-bottom: 18px;
    font-size: clamp(28px, 8vw, 34px);
  }

  .service-panel > p {
    font-size: 16px;
    line-height: 1.75;
  }

  .service-tags {
    margin-top: 22px;
  }

  .mini-showcase-panel {
    gap: 14px;
    padding: 14px;
    border-radius: 24px;
  }

  .mini-showcase-product {
    padding: 28px 18px;
    border-radius: 20px;
  }

  .mini-showcase-phone {
    width: min(100%, 210px);
  }

  .mini-feature-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .mini-feature-card {
    min-height: 280px;
    border-radius: 20px;
  }

  .mini-feature-copy {
    padding: 54px 20px 22px;
  }

  .culture-night {
    padding: 86px 0;
  }

  .culture-inner {
    padding-inline: 20px;
  }

  .culture-subheading {
    margin-top: 76px;
  }

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

  .values-grid article {
    min-height: 220px;
  }

  .philosophy-grid {
    gap: 48px;
    margin-top: 78px;
  }

  .responsibility {
    padding: 86px 0;
  }

  .responsibility-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-inline: 20px;
  }

  .responsibility-copy {
    padding-bottom: 0;
  }

  .contact-heading {
    margin-bottom: 42px;
  }

  .contact-body {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .contact dl div {
    grid-template-columns: 105px minmax(0, 1fr);
  }

  .contact-code-grid {
    grid-template-columns: minmax(0, 300px);
    justify-content: center;
    gap: 18px;
  }

  .contact-body .code-card {
    justify-self: center;
    width: 100%;
    margin: 0;
  }

  .partners-heading {
    margin-bottom: 36px;
  }

  .partner-grid {
    grid-template-columns: repeat(2, 104px);
  }

  .closing-line {
    font-size: clamp(28px, 8vw, 34px);
  }

  footer {
    padding: 76px 20px 0;
  }

  .footer-meta {
    grid-template-columns: repeat(2, auto);
    justify-content: center;
    justify-items: center;
    gap: 8px 18px;
    margin-top: 56px;
    padding-bottom: 42px;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .service-panel-stack { transition: none !important; }
  .service-panel { transform: none !important; transition: none !important; }
  .hero-chevron { animation: none !important; }
  .technology-card {
    transition: opacity 0.01ms linear !important;
  }
  .mini-feature-card {
    transform: none !important;
    transition: none !important;
  }
  .js .closing-line[data-closing-reveal],
  .js .closing-line[data-closing-reveal].is-visible {
    opacity: 1;
    transform: none;
    transition: none !important;
  }
}