:root {
  --ink: #081b35;
  --muted: #5d6f86;
  --blue: #1675ff;
  --blue-deep: #0f5fe8;
  --cyan: #31d6d3;
  --blue-soft: #edf7ff;
  --line: rgba(22, 117, 255, 0.11);
  --surface: #ffffff;
  --page: #f8fbff;
  --shadow: 0 22px 70px rgba(22, 92, 180, 0.11);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
  color: var(--ink);
  background: var(--page);
  font-synthesis: none;
  scroll-behavior: smooth;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--page);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

.page-en {
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.page-en .hero-content {
  max-width: 760px;
}

.page-en .hero h1 {
  font-size: clamp(38px, 3.7vw, 52px);
  letter-spacing: -0.04em;
}

.page-en .hero-copy {
  max-width: 650px;
}

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

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 9px;
  background: var(--ink);
  color: #fff;
  transform: translateY(-150%);
  transition: transform 0.2s ease;
}

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: min(100% - 64px, 1240px);
  height: 84px;
  margin: auto;
}

.brand {
  justify-self: start;
  display: block;
  line-height: 0;
}

.brand-logo {
  display: block;
  width: 216px;
  height: auto;
}

.desktop-nav {
  display: flex;
  gap: 40px;
  color: #4f5b72;
  font-size: 14px;
}

.desktop-nav a,
.header-action {
  transition: color 0.2s ease, transform 0.2s ease;
}

.header-tools {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 12px;
}

.language-switch {
  display: inline-grid;
  place-items: center;
  min-width: 38px;
  min-height: 38px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  transition: color 0.2s ease, background 0.2s ease;
}

.language-switch:hover,
.language-switch:focus-visible {
  background: var(--blue-soft);
  color: var(--blue-deep);
}

.desktop-nav a:hover,
.desktop-nav a:focus-visible {
  color: var(--blue);
}

.header-action {
  justify-self: end;
  padding: 11px 18px;
  border: 1px solid rgba(77, 107, 254, 0.25);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.66);
  color: var(--blue-deep);
  font-size: 14px;
  backdrop-filter: blur(12px);
}

.header-action:hover,
.header-action:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(77, 107, 254, 0.5);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
  align-items: center;
  min-height: 100svh;
  padding: 128px max(32px, calc((100vw - 1240px) / 2)) 72px;
  overflow: hidden;
  background:
    linear-gradient(116deg, rgba(251, 253, 255, 0.98) 15%, rgba(246, 251, 255, 0.84) 58%, rgba(236, 247, 255, 0.94)),
    #f8fbff;
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.42;
  background-image:
    linear-gradient(rgba(92, 117, 179, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(92, 117, 179, 0.055) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to right, black, transparent 72%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(4px);
  pointer-events: none;
}

.hero-glow-one {
  width: 520px;
  height: 520px;
  right: 1vw;
  top: 18%;
  background: radial-gradient(circle, rgba(22, 117, 255, 0.17), rgba(22, 117, 255, 0) 70%);
}

.hero-glow-two {
  width: 300px;
  height: 300px;
  left: 24%;
  bottom: -16%;
  background: radial-gradient(circle, rgba(49, 214, 211, 0.13), rgba(49, 214, 211, 0) 70%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 25px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.19em;
}

.eyebrow span {
  width: 24px;
  height: 2px;
  background: var(--blue);
}

.hero h1 {
  margin: 0;
  font-size: clamp(38px, 4vw, 52px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.045em;
}

.hero h1 span {
  color: var(--blue);
}

.hero-copy {
  max-width: 590px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(16px, 1.35vw, 18px);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 42px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 13px;
  font-size: 15px;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  gap: 22px;
  background: var(--blue);
  box-shadow: 0 14px 30px rgba(77, 107, 254, 0.24);
  color: #fff;
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--blue-deep);
  box-shadow: 0 18px 36px rgba(77, 107, 254, 0.3);
}

.button-quiet {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.62);
  color: #364157;
}

.hero-orbit {
  position: relative;
  z-index: 1;
  justify-self: center;
  width: min(40vw, 500px);
  aspect-ratio: 1;
}

.orbit-ring {
  position: absolute;
  inset: 8%;
  border: 1px solid rgba(78, 106, 224, 0.18);
  border-radius: 50%;
}

.orbit-ring::before,
.orbit-ring::after {
  content: "";
  position: absolute;
  inset: 14%;
  border: 1px solid rgba(78, 106, 224, 0.12);
  border-radius: 50%;
}

.orbit-ring::after {
  inset: 34%;
  border-color: rgba(78, 106, 224, 0.15);
}

.orbit-ring-one {
  transform: rotateX(66deg) rotateZ(-12deg);
}

.orbit-ring-two {
  transform: rotateY(70deg) rotateZ(27deg);
}

.orbit-core {
  position: absolute;
  inset: 34%;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 36% 48% 42% 54%;
  background: linear-gradient(145deg, #fbfeff 8%, #d9f8f7 46%, #90c5ff 100%);
  box-shadow:
    inset -12px -14px 30px rgba(22, 117, 255, 0.14),
    0 30px 80px rgba(22, 117, 255, 0.2);
  transform: rotate(-8deg);
}

.orbit-core::after {
  content: "";
  position: absolute;
  inset: 16%;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 50%;
}

.orbit-core img {
  z-index: 1;
  width: 72%;
  height: 72%;
  object-fit: contain;
  filter: drop-shadow(0 8px 18px rgba(22, 117, 255, 0.18));
  transform: rotate(8deg);
}

.orbit-dot {
  position: absolute;
  width: 12px;
  height: 12px;
  border: 3px solid #fff;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 4px 16px rgba(77, 107, 254, 0.35);
}

.orbit-dot-one { top: 14%; left: 28%; }
.orbit-dot-two { right: 12%; top: 48%; width: 9px; height: 9px; }
.orbit-dot-three { left: 17%; bottom: 21%; width: 8px; height: 8px; }

.scroll-cue {
  position: absolute;
  z-index: 2;
  right: max(32px, calc((100vw - 1240px) / 2));
  bottom: 34px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: #8992a6;
  font-size: 10px;
  letter-spacing: 0.18em;
  writing-mode: vertical-rl;
}

.scroll-cue i {
  display: block;
  width: 1px;
  height: 42px;
  background: linear-gradient(var(--blue), transparent);
}

.section-shell {
  padding: 120px max(32px, calc((100vw - 1240px) / 2));
}

.capabilities {
  background: #fff;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(320px, 1.3fr) minmax(260px, 0.9fr);
  align-items: end;
  gap: 48px;
  margin-bottom: 56px;
}

.section-label {
  margin: 0;
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(32px, 3.6vw, 50px);
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -0.035em;
}

.section-heading > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

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

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

.business-grid .capability-card {
  min-height: 370px;
}

.capability-card {
  position: relative;
  min-height: 350px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #fbfcff;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.capability-card:hover {
  transform: translateY(-5px);
  border-color: rgba(77, 107, 254, 0.26);
  box-shadow: var(--shadow);
}

.capability-card.featured {
  background: linear-gradient(145deg, var(--blue), #215bff);
  box-shadow: 0 22px 56px rgba(22, 117, 255, 0.2);
  color: #fff;
}

.card-number {
  color: #a0a9ba;
  font-size: 12px;
  letter-spacing: 0.15em;
}

.featured .card-number {
  color: rgba(255, 255, 255, 0.62);
}

.card-symbol {
  position: relative;
  display: grid;
  place-items: center;
  width: 92px;
  height: 92px;
  margin: 46px 0 36px;
}

.card-symbol i {
  position: absolute;
  width: 56px;
  height: 56px;
  border: 1px solid rgba(77, 107, 254, 0.3);
  border-radius: 17px;
}

.card-symbol i:nth-child(1) { transform: rotate(0deg); }
.card-symbol i:nth-child(2) { transform: rotate(30deg); }
.card-symbol i:nth-child(3) { transform: rotate(60deg); }

.symbol-loop i {
  width: 60px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 50%;
}

.symbol-loop i:first-child { transform: rotate(45deg); }
.symbol-loop i:last-child { transform: rotate(-45deg); }

.symbol-path i {
  width: 14px;
  height: 14px;
  border: 0;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 8px rgba(77, 107, 254, 0.08);
}

.symbol-path i:first-child { left: 6px; top: 22px; }
.symbol-path i:nth-child(2) { left: 38px; top: 49px; }
.symbol-path i:last-child { right: 3px; top: 12px; }

.symbol-path::before,
.symbol-path::after {
  content: "";
  position: absolute;
  width: 42px;
  height: 1px;
  background: rgba(77, 107, 254, 0.35);
  transform: rotate(39deg);
}

.symbol-path::after {
  right: 7px;
  transform: rotate(-48deg);
}

.capability-card h3 {
  margin: 0 0 13px;
  font-size: 23px;
  font-weight: 600;
}

.capability-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.featured p {
  color: rgba(255, 255, 255, 0.76);
}

.products {
  background: var(--page);
}

.section-heading-compact {
  margin-bottom: 68px;
}

.product-stack {
  border-top: 1px solid var(--line);
}

.product-row {
  display: grid;
  grid-template-columns: 84px minmax(280px, 0.9fr) minmax(340px, 1.1fr);
  align-items: center;
  min-height: 390px;
  border-bottom: 1px solid var(--line);
}

.product-index {
  align-self: start;
  padding-top: 64px;
  color: #a6afc0;
  font-size: 12px;
  letter-spacing: 0.15em;
}

.product-copy {
  padding: 64px 64px 64px 0;
}

.product-kicker {
  margin: 0 0 20px;
  color: var(--blue);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.product-copy h3 {
  margin: 0 0 18px;
  font-size: clamp(28px, 2.8vw, 40px);
  font-weight: 600;
  letter-spacing: -0.025em;
}

.product-copy > p:not(.product-kicker) {
  max-width: 480px;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.tag-list li {
  padding: 7px 11px;
  border: 1px solid rgba(77, 107, 254, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: #67738c;
  font-size: 12px;
}

.product-visual {
  position: relative;
  justify-self: end;
  width: min(100%, 480px);
  height: 270px;
  border: 1px solid rgba(77, 107, 254, 0.1);
  border-radius: 26px;
  background:
    radial-gradient(circle at 72% 26%, rgba(100, 129, 255, 0.17), transparent 34%),
    linear-gradient(145deg, #fff, #f0f4ff);
  overflow: hidden;
}

.product-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.55;
  background-image:
    linear-gradient(rgba(77, 107, 254, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(77, 107, 254, 0.055) 1px, transparent 1px);
  background-size: 34px 34px;
}

.message {
  position: absolute;
  z-index: 1;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 9px 12px;
  width: 245px;
  padding: 18px;
  border: 1px solid rgba(77, 107, 254, 0.1);
  border-radius: 18px 18px 18px 6px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 16px 44px rgba(64, 86, 154, 0.12);
}

.message span {
  grid-row: span 2;
  width: 34px;
  height: 34px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
}

.message i {
  display: block;
  width: 92%;
  height: 7px;
  margin-top: 3px;
  border-radius: 99px;
  background: #dfe5f5;
}

.message i:last-child {
  width: 62%;
}

.message-one { top: 48px; left: 38px; }
.message-two { right: 34px; bottom: 44px; border-radius: 18px 18px 6px 18px; }
.message-two span { background: linear-gradient(135deg, #c6d0f2, #9facd4); }

.signal {
  position: absolute;
  z-index: 0;
  left: 50%;
  top: 50%;
  width: 170px;
  height: 170px;
  border: 1px solid rgba(77, 107, 254, 0.22);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.signal::after {
  content: "";
  position: absolute;
  inset: 26px;
  border: 1px solid rgba(77, 107, 254, 0.16);
  border-radius: 50%;
}

.visual-knowledge .node {
  position: absolute;
  z-index: 2;
  width: 22px;
  height: 22px;
  border: 5px solid #fff;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 8px 18px rgba(77, 107, 254, 0.26);
}

.node-one { left: 15%; top: 27%; }
.node-two { left: 47%; top: 47%; width: 34px !important; height: 34px !important; }
.node-three { right: 15%; top: 20%; }
.node-four { right: 20%; bottom: 17%; background: #92a2d4 !important; }

.node-line {
  position: absolute;
  z-index: 1;
  display: block;
  height: 1px;
  background: linear-gradient(90deg, rgba(77, 107, 254, 0.1), rgba(77, 107, 254, 0.48), rgba(77, 107, 254, 0.1));
  transform-origin: left center;
}

.line-one { left: 18%; top: 31%; width: 160px; transform: rotate(25deg); }
.line-two { left: 52%; top: 52%; width: 150px; transform: rotate(-29deg); }
.line-three { left: 52%; top: 53%; width: 145px; transform: rotate(29deg); }

.visual-workflow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
}

.visual-workflow::before {
  z-index: 0;
}

.visual-workflow > i {
  position: relative;
  z-index: 2;
  width: 34px;
  height: 1px;
  background: rgba(77, 107, 254, 0.4);
}

.visual-workflow > i::after {
  content: "";
  position: absolute;
  right: 0;
  top: -3px;
  width: 7px;
  height: 7px;
  border-top: 1px solid var(--blue);
  border-right: 1px solid var(--blue);
  transform: rotate(45deg);
}

.flow-card {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 66px;
  height: 66px;
  border: 1px solid rgba(77, 107, 254, 0.14);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 14px 34px rgba(64, 86, 154, 0.12);
  color: #8490aa;
  font-size: 15px;
  font-weight: 700;
}

.flow-two {
  width: 82px;
  height: 82px;
  background: linear-gradient(145deg, var(--cyan), var(--blue));
  box-shadow: 0 18px 42px rgba(22, 117, 255, 0.26);
  color: #fff;
  font-size: 21px;
}

.flow-three {
  color: var(--blue);
  font-size: 22px;
}

.principles {
  padding: 0 max(32px, calc((100vw - 1320px) / 2));
  background: var(--page);
}

.principles-inner {
  padding: 82px;
  border-radius: 32px;
  background: #10172b;
  box-shadow: 0 30px 80px rgba(20, 28, 54, 0.18);
  color: #fff;
}

.principles-intro {
  margin: 0 0 54px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 13px;
  letter-spacing: 0.13em;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 70px;
}

.principle {
  position: relative;
}

.principle:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 0;
  right: -35px;
  width: 1px;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
}

.principle span {
  color: #7188ff;
  font-size: 11px;
  letter-spacing: 0.15em;
}

.principle h3 {
  margin: 23px 0 15px;
  font-size: 32px;
  font-weight: 500;
}

.principle p {
  margin: 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 15px;
  line-height: 1.8;
}

.about {
  background: #fff;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 110px;
}

.about-title h2 {
  margin: 26px 0 0;
  font-size: clamp(36px, 4.3vw, 58px);
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -0.04em;
}

.about-title h2 span {
  color: var(--blue);
}

.about-copy {
  align-self: end;
  padding-bottom: 6px;
}

.about-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 2;
}

.about-copy p + p {
  margin-top: 20px;
}

.method {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 26px;
  margin-top: 100px;
  padding-top: 46px;
  border-top: 1px solid var(--line);
}

.method > i {
  width: 52px;
  height: 1px;
  background: linear-gradient(90deg, rgba(77, 107, 254, 0.3), rgba(77, 107, 254, 0));
}

.method-step span {
  color: var(--blue);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.method-step h3 {
  margin: 14px 0 8px;
  font-size: 20px;
  font-weight: 600;
}

.method-step p {
  margin: 0;
  color: #8c96aa;
  font-size: 13px;
}

.closing {
  padding-top: 24px;
  background: #fff;
}

.closing-card {
  position: relative;
  min-height: 540px;
  padding: 88px;
  border-radius: 36px;
  background:
    radial-gradient(circle at 78% 48%, rgba(146, 167, 255, 0.34), transparent 26%),
    linear-gradient(135deg, #f1f5ff, #e7edff);
  overflow: hidden;
}

.contact-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  align-items: center;
  gap: 72px;
}

.contact-copy {
  position: relative;
  z-index: 2;
}

.contact-card h2 {
  max-width: 760px;
  margin-bottom: 28px;
  font-size: clamp(44px, 5.4vw, 70px);
}

.contact-intro {
  max-width: 620px;
  margin: 0 0 38px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.wechat-qr-card {
  position: relative;
  z-index: 2;
  width: 100%;
  margin: 0;
  padding: 18px 18px 22px;
  border: 1px solid rgba(77, 107, 254, 0.14);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 28px 70px rgba(57, 77, 166, 0.18);
  backdrop-filter: blur(18px);
}

.wechat-qr-image {
  padding: 10px;
  border-radius: 20px;
  background: #fff;
}

.wechat-qr-image img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}

.wechat-qr-card figcaption {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 17px 7px 0;
}

.wechat-qr-card strong {
  color: var(--ink);
  font-size: 18px;
  font-weight: 600;
}

.wechat-qr-card span {
  color: var(--muted);
  font-size: 13px;
}

.closing-card .section-label {
  position: relative;
  z-index: 2;
}

.closing-card h2 {
  position: relative;
  z-index: 2;
  max-width: 710px;
  margin: 42px 0 58px;
  font-size: clamp(38px, 4.8vw, 62px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.04em;
}

.closing-card.contact-card h2 {
  max-width: 700px;
  margin: 34px 0 26px;
  font-size: clamp(36px, 4.2vw, 56px);
}

.closing-button {
  position: relative;
  z-index: 2;
  gap: 50px;
  border: 1px solid rgba(77, 107, 254, 0.2);
  background: rgba(255, 255, 255, 0.72);
  color: var(--blue-deep);
}

.closing-orb {
  position: absolute;
  right: 7%;
  top: 50%;
  width: 290px;
  height: 290px;
  border: 1px solid rgba(255, 255, 255, 0.76);
  border-radius: 42% 58% 52% 48%;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(122, 149, 255, 0.62));
  box-shadow:
    inset -35px -30px 70px rgba(65, 89, 216, 0.18),
    0 48px 90px rgba(70, 94, 213, 0.22);
  transform: translateY(-50%) rotate(-12deg);
}

.closing-orb::before,
.closing-orb::after {
  content: "";
  position: absolute;
  inset: -52px;
  border: 1px solid rgba(85, 111, 224, 0.18);
  border-radius: 50%;
  transform: rotateX(64deg) rotateZ(18deg);
}

.closing-orb::after {
  inset: -94px;
  opacity: 0.58;
  transform: rotateY(68deg) rotateZ(-12deg);
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: min(100% - 64px, 1240px);
  min-height: 132px;
  margin: auto;
  color: #7d879c;
  font-size: 13px;
}

.site-footer .brand {
  color: var(--ink);
}

.site-footer .brand-logo {
  width: 204px;
}

.site-footer p {
  margin: 0;
}

.site-footer p:last-child {
  justify-self: end;
}

.customer-service {
  position: fixed;
  z-index: 60;
  right: 28px;
  bottom: 26px;
  pointer-events: none;
}

.service-launcher {
  display: flex;
  align-items: center;
  gap: 11px;
  min-width: 158px;
  min-height: 60px;
  padding: 8px 17px 8px 9px;
  border: 1px solid rgba(77, 107, 254, 0.18);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 18px 48px rgba(43, 61, 119, 0.2);
  color: var(--ink);
  cursor: pointer;
  pointer-events: auto;
  backdrop-filter: blur(18px);
  transition: transform 0.22s ease, box-shadow 0.22s ease, opacity 0.2s ease;
}

.service-launcher:hover,
.service-launcher:focus-visible {
  outline: none;
  transform: translateY(-3px);
  box-shadow: 0 22px 56px rgba(43, 61, 119, 0.25);
}

.launcher-icon {
  position: relative;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border-radius: 15px;
  background: linear-gradient(145deg, var(--cyan), var(--blue-deep));
  box-shadow: 0 10px 24px rgba(77, 107, 254, 0.3);
  color: #fff;
}

.launcher-icon svg {
  width: 23px;
  height: 23px;
  fill: currentColor;
}

.launcher-icon i {
  position: absolute;
  right: -1px;
  top: -1px;
  width: 11px;
  height: 11px;
  border: 2px solid #fff;
  border-radius: 50%;
  background: #2ac769;
  box-shadow: 0 0 0 3px rgba(42, 199, 105, 0.13);
}

.launcher-copy {
  display: grid;
  gap: 2px;
  text-align: left;
}

.launcher-copy strong {
  font-size: 14px;
  font-weight: 650;
}

.launcher-copy small {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.02em;
}

.service-panel {
  position: absolute;
  right: 0;
  bottom: 76px;
  width: min(420px, calc(100vw - 40px));
  height: min(700px, calc(100vh - 128px));
  height: min(700px, calc(100dvh - 128px));
  border: 1px solid rgba(43, 61, 119, 0.13);
  border-radius: 28px;
  background: var(--page);
  box-shadow: 0 32px 100px rgba(26, 39, 86, 0.28);
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
  transform: translateY(16px) scale(0.97);
  transform-origin: bottom right;
  visibility: hidden;
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
}

.service-panel[aria-hidden="false"] {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
  visibility: visible;
}

.service-frame {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: var(--page);
}

.service-close {
  position: absolute;
  z-index: 3;
  top: 20px;
  right: 17px;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid rgba(38, 56, 103, 0.1);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 7px 20px rgba(45, 61, 108, 0.1);
  color: #70809b;
  cursor: pointer;
  backdrop-filter: blur(12px);
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.service-close::before,
.service-close::after,
.service-close span::before,
.service-close span::after {
  position: absolute;
  width: 14px;
  height: 1.5px;
  border-radius: 99px;
  background: currentColor;
  content: "";
}

.service-close::before { transform: rotate(45deg); }
.service-close::after { transform: rotate(-45deg); }
.service-close span::before,
.service-close span::after { display: none; }

.service-close:hover,
.service-close:focus-visible {
  outline: none;
  background: #fff;
  color: var(--blue-deep);
  transform: rotate(3deg);
}

.customer-service.is-open .service-launcher {
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px) scale(0.92);
}

.service-scrim {
  display: none;
  border: 0;
  background: transparent;
  pointer-events: none;
}

.service-noscript {
  display: block;
  margin-top: 8px;
  color: var(--blue-deep);
  font-size: 13px;
  pointer-events: auto;
}

.site-header.is-scrolled {
  width: min(100% - 32px, 1220px);
  height: 66px;
  top: 10px;
  padding: 0 18px;
  border: 1px solid rgba(39, 58, 101, 0.08);
  border-radius: 18px;
  background: rgba(249, 251, 255, 0.82);
  box-shadow: 0 10px 34px rgba(44, 61, 104, 0.08);
  backdrop-filter: blur(18px);
}

.js-enabled .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.js-enabled .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .site-header {
    width: min(100% - 36px, 1240px);
  }

  .desktop-nav {
    display: none;
  }

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

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 150px;
  }

  .hero-content {
    max-width: 650px;
  }

  .hero-orbit {
    position: absolute;
    right: -160px;
    top: 130px;
    width: 430px;
    opacity: 0.38;
  }

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

  .section-heading > p:last-child {
    max-width: 600px;
  }

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

  .capability-card {
    min-height: 310px;
  }

  .product-row {
    grid-template-columns: 56px 1fr;
    padding: 20px 0 52px;
  }

  .product-index {
    padding-top: 48px;
  }

  .product-copy {
    padding: 48px 0 36px;
  }

  .product-visual {
    grid-column: 2;
    justify-self: stretch;
    width: 100%;
  }

  .principles-inner {
    padding: 58px 44px;
  }

  .principle-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .principle:not(:last-child)::after {
    top: auto;
    right: auto;
    left: 0;
    bottom: -24px;
    width: 100%;
    height: 1px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .method {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .method > i {
    display: none;
  }

  .closing-card {
    min-height: 500px;
    padding: 64px 52px;
  }

  .contact-card {
    grid-template-columns: 1fr 280px;
    gap: 42px;
  }

  .closing-orb {
    right: -130px;
    opacity: 0.45;
  }
}

@media (max-width: 560px) {
  .site-header {
    height: 72px;
  }

  .brand-logo {
    width: 142px;
  }

  .header-tools {
    gap: 5px;
  }

  .language-switch {
    min-width: 34px;
    min-height: 34px;
    font-size: 11px;
  }

  .header-action {
    padding: 9px 13px;
    font-size: 13px;
  }

  .hero {
    padding: 128px 20px 74px;
  }

  .hero h1 {
    font-size: clamp(32px, 8.8vw, 38px);
  }

  .page-en .hero h1 {
    font-size: clamp(30px, 8.5vw, 36px);
  }

  .hero-copy {
    font-size: 16px;
    line-height: 1.75;
  }

  .hero-copy br {
    display: none;
  }

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

  .button {
    width: 100%;
  }

  .hero-orbit {
    right: -230px;
    top: 116px;
  }

  .scroll-cue {
    display: none;
  }

  .section-shell {
    padding: 76px 20px;
  }

  .section-heading {
    margin-bottom: 38px;
  }

  .section-heading h2 {
    font-size: 30px;
  }

  .capability-card {
    min-height: 270px;
    padding: 26px;
  }

  .product-row {
    grid-template-columns: 32px 1fr;
  }

  .product-index {
    padding-top: 43px;
  }

  .product-copy {
    padding-top: 42px;
  }

  .product-copy h3 {
    font-size: 27px;
  }

  .product-visual {
    height: 200px;
  }

  .message {
    width: 205px;
    padding: 14px;
  }

  .message-one { top: 32px; left: 22px; }
  .message-two { right: 20px; bottom: 30px; }

  .visual-workflow {
    gap: 8px;
  }

  .visual-workflow > i {
    width: 20px;
  }

  .flow-card {
    width: 54px;
    height: 54px;
  }

  .flow-two {
    width: 68px;
    height: 68px;
  }

  .principles {
    padding: 0 12px;
  }

  .principles-inner {
    padding: 48px 28px;
    border-radius: 26px;
  }

  .principle h3 {
    font-size: 30px;
  }

  .about-title h2 {
    font-size: 34px;
  }

  .about-title h2 br {
    display: none;
  }

  .about-copy p {
    font-size: 16px;
  }

  .method {
    margin-top: 66px;
  }

  .closing {
    padding-top: 8px;
  }

  .closing-card {
    min-height: auto;
    padding: 42px 24px;
    border-radius: 26px;
  }

  .closing-card h2 {
    margin-top: 28px;
    font-size: 34px;
  }

  .closing-card.contact-card h2 {
    margin: 28px 0 22px;
    font-size: 34px;
  }

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

  .contact-intro {
    font-size: 16px;
  }

  .wechat-qr-card {
    width: min(100%, 280px);
  }

  .closing-orb {
    right: -195px;
    bottom: -80px;
    top: auto;
    transform: rotate(-12deg);
  }

  .site-footer {
    grid-template-columns: 1fr;
    gap: 16px;
    width: calc(100% - 40px);
    padding: 38px 0;
  }

  .site-footer p:last-child {
    justify-self: start;
  }

  .site-footer .brand-logo {
    width: 184px;
  }

  body.chat-open {
    overflow: hidden;
  }

  .customer-service {
    right: 16px;
    bottom: calc(16px + env(safe-area-inset-bottom));
  }

  .service-launcher {
    min-width: 0;
    min-height: 56px;
    padding: 6px;
    border-radius: 19px;
  }

  .launcher-icon {
    width: 44px;
    height: 44px;
  }

  .launcher-copy {
    display: none;
  }

  .service-scrim {
    position: fixed;
    z-index: -1;
    inset: 0;
    display: block;
    background: rgba(16, 24, 50, 0.28);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s;
    backdrop-filter: blur(3px);
  }

  .customer-service.is-open .service-scrim {
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
  }

  .service-panel {
    position: fixed;
    z-index: 1;
    inset: 8px;
    width: auto;
    height: auto;
    border-radius: 24px;
    transform: translateY(24px) scale(0.98);
    transform-origin: center bottom;
  }

  .service-close {
    top: 16px;
    right: 13px;
  }
}

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

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