:root {
  --ink: #101828;
  --muted: #667085;
  --line: #dde5f2;
  --brand: #5b35e6;
  --brand-dark: #211a55;
  --pink: #eb5bbd;
  --violet: #a346e8;
  --blue: #4d3be8;
  --soft-blue: #f0f4ff;
  --soft-purple: #f4f0ff;
  --soft-pink: #fff1fa;
  --sun: #ffe66d;
  --mint: #55efc4;
  --panel: #ffffff;
  --bg: #fbfbff;
  --shadow: 0 18px 50px rgba(80, 43, 160, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(91, 53, 230, 0.04) 0 25%, transparent 25% 50%, rgba(235, 91, 189, 0.04) 50% 75%, transparent 75%),
    var(--bg);
  background-size: 28px 28px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
  overflow-x: hidden;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 2px solid rgba(91, 53, 230, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--brand-dark);
}

.brand img {
  width: auto;
  height: 45px;
  object-fit: contain;
}

.nav {
  display: flex;
  margin-left: auto;
  gap: 24px;
  color: var(--muted);
  font-size: 15px;
}

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

.language-switch {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 34px;
  padding: 0 12px;
  color: var(--brand-dark);
  background: #fff;
  border: 1px solid rgba(91, 53, 230, 0.2);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 850;
  line-height: 1;
}

.language-switch:hover {
  color: #fff;
  background: var(--brand);
  border-color: var(--brand);
}

main {
  overflow: hidden;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(340px, 0.96fr);
  gap: 40px;
  align-items: center;
  min-height: min(760px, calc(100vh - 74px));
  padding: 64px clamp(20px, 6vw, 96px) 56px;
  background:
    linear-gradient(135deg, rgba(255, 230, 109, 0.16) 0 12%, transparent 12% 100%),
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(135deg, #10091f 0%, #191351 50%, #501b67 100%);
  background-size: auto, 34px 34px, 34px 34px, auto;
  overflow: hidden;
  isolation: isolate;
}

.hero::after {
  position: absolute;
  right: clamp(18px, 6vw, 96px);
  bottom: 34px;
  z-index: -1;
  width: min(46vw, 620px);
  height: 170px;
  border: 2px solid rgba(255, 230, 109, 0.34);
  border-radius: 8px;
  transform: rotate(-4deg);
  content: "";
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  color: var(--brand-dark);
  font-size: clamp(42px, 6.5vw, 76px);
  line-height: 1.08;
  letter-spacing: 0;
  font-weight: 950;
}

h1 span {
  display: inline;
}

h2 {
  margin-bottom: 18px;
  color: var(--brand-dark);
  font-size: clamp(28px, 4.5vw, 46px);
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  color: var(--brand-dark);
  font-size: 21px;
  line-height: 1.25;
}

.lead {
  max-width: 680px;
  margin-bottom: 30px;
  color: #475467;
  font-size: 19px;
}

.hero h1 {
  color: #fff;
}

.hero .lead {
  color: rgba(232, 240, 255, 0.82);
}

.hero .eyebrow {
  display: inline-flex;
  padding: 6px 10px;
  color: #211a55;
  background: var(--sun);
  border-radius: 8px;
  box-shadow: 7px 7px 0 rgba(235, 91, 189, 0.25);
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-copy,
.section-copy,
.hero-panel,
.list-panel {
  min-width: 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 2px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

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

.button.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--violet), var(--pink));
  box-shadow: 8px 8px 0 rgba(255, 230, 109, 0.24), 0 12px 26px rgba(163, 70, 232, 0.28);
}

.button.secondary {
  color: var(--brand-dark);
  background: #fff;
  border-color: rgba(91, 53, 230, 0.16);
}

.hero-panel {
  padding: clamp(22px, 4vw, 42px);
  background: rgba(9, 13, 33, 0.62);
  border: 2px solid rgba(235, 91, 189, 0.34);
  border-radius: 8px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  transform: rotate(1.5deg);
}

.hero-logo {
  display: block;
  width: min(360px, 78%);
  margin: 0 auto 24px;
  filter: drop-shadow(0 18px 28px rgba(0, 0, 0, 0.16));
}

.mobile-hero-logo {
  display: none;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.capability-grid div,
.opc-grid div {
  min-height: 108px;
  padding: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.hero-panel .capability-grid div {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.12);
}

.hero-panel .capability-grid strong {
  color: #fff;
}

.hero-panel .capability-grid span {
  color: rgba(232, 240, 255, 0.72);
}

.capability-grid strong,
.opc-grid strong {
  display: block;
  margin-bottom: 6px;
  color: var(--brand-dark);
  font-size: 19px;
}

.capability-grid span,
.opc-grid span {
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: 80px clamp(20px, 6vw, 96px);
}

.section-title {
  max-width: 760px;
  margin-bottom: 32px;
}

.intro-layout,
.credential-layout,
.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.86fr);
  gap: 28px;
  align-items: start;
}

.intro-text,
.facts,
.credential-card,
.contact-card,
.list-panel {
  background: var(--panel);
  border: 2px solid rgba(91, 53, 230, 0.08);
  border-radius: 8px;
  box-shadow: 10px 10px 0 rgba(91, 53, 230, 0.05), 0 12px 34px rgba(38, 44, 112, 0.06);
}

.intro-text {
  padding: 28px;
  font-size: 17px;
}

.facts {
  padding: 10px;
}

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

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

.facts span {
  display: block;
  margin-bottom: 3px;
  color: var(--muted);
  font-size: 13px;
}

.facts strong {
  color: var(--brand-dark);
}

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

.article-hub {
  background:
    linear-gradient(135deg, rgba(255, 230, 109, 0.16) 0 18%, transparent 18%),
    linear-gradient(180deg, #ffffff 0%, #fbf8ff 100%);
}

.article-grid {
  display: grid;
  grid-template-columns: 1.2fr repeat(2, minmax(0, 0.8fr));
  gap: 16px;
}

.article-card {
  display: block;
  min-height: 220px;
  padding: 0;
  overflow: hidden;
  background: #fff;
  border: 2px solid rgba(91, 53, 230, 0.1);
  border-radius: 8px;
  box-shadow: 10px 10px 0 rgba(235, 91, 189, 0.08), 0 12px 34px rgba(20, 33, 61, 0.07);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.article-card.feature {
  grid-row: span 2;
}

.article-card img {
  width: 100%;
  aspect-ratio: 2.35 / 1;
  object-fit: cover;
  display: block;
}

.article-card div {
  padding: 24px;
}

.article-card:hover {
  transform: translate(-3px, -3px) rotate(-0.4deg);
  box-shadow: 14px 14px 0 rgba(235, 91, 189, 0.11), 0 18px 42px rgba(20, 33, 61, 0.1);
}

.article-card span {
  display: inline-flex;
  padding: 4px 8px;
  margin-bottom: 10px;
  color: #fff;
  background: var(--brand-dark);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 800;
}

.article-card p {
  color: var(--muted);
}

.article-body {
  background: #fff;
}

.article-page {
  max-width: 860px;
  margin: 0 auto;
  padding: 52px 24px 96px;
}

.article-page h1 {
  max-width: 820px;
  font-size: clamp(34px, 6vw, 58px);
}

.article-summary {
  color: var(--muted);
  font-size: 18px;
}

.article-cover {
  width: 100%;
  margin: 18px 0 34px;
  border: 2px solid rgba(91, 53, 230, 0.1);
  border-radius: 8px;
  box-shadow: 10px 10px 0 rgba(235, 91, 189, 0.08);
}

.article-section {
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.article-section h2 {
  font-size: clamp(24px, 4vw, 34px);
}

.article-section p,
.article-section li {
  color: #3f4658;
  font-size: 17px;
}

.article-section li {
  margin-bottom: 10px;
}

.article-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 24px;
}

.back-link {
  display: inline-flex;
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 14px;
}

.service-card {
  overflow: hidden;
  background: #fff;
  border: 2px solid rgba(91, 53, 230, 0.1);
  border-radius: 8px;
  box-shadow: 8px 8px 0 rgba(91, 53, 230, 0.05), 0 12px 34px rgba(38, 44, 112, 0.06);
}

.service-card:nth-child(2) {
  transform: translateY(18px);
}

.service-card:nth-child(3) {
  transform: translateY(-10px);
}

.service-card img {
  width: 100%;
  aspect-ratio: 2.35 / 1;
  object-fit: cover;
}

.service-card div {
  padding: 22px;
}

.service-card p,
.section-copy p,
.credential-card p,
.contact p {
  color: var(--muted);
}

.platform {
  background:
    linear-gradient(135deg, rgba(85, 239, 196, 0.13), transparent 34%),
    linear-gradient(180deg, #ffffff 0%, #f8f6ff 100%);
}

.platform-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.88fr);
  gap: 26px;
  align-items: stretch;
}

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

.platform-card {
  min-height: 176px;
  padding: 22px;
  background: #fff;
  border: 2px solid rgba(91, 53, 230, 0.08);
  border-radius: 8px;
  box-shadow: 8px 8px 0 rgba(91, 53, 230, 0.05), 0 12px 34px rgba(38, 44, 112, 0.06);
}

.platform-card:nth-child(1) {
  background: var(--soft-blue);
}

.platform-card:nth-child(2) {
  background: var(--soft-purple);
}

.platform-card:nth-child(3) {
  background: var(--soft-pink);
}

.platform-card strong {
  display: block;
  margin-bottom: 8px;
  color: var(--brand-dark);
  font-size: 19px;
  line-height: 1.25;
}

.platform-card span {
  display: block;
  color: #3f4658;
  font-size: 15px;
}

.qr-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  overflow: hidden;
  background: #fff;
  border: 2px solid rgba(91, 53, 230, 0.1);
  border-radius: 8px;
  box-shadow: 10px 10px 0 rgba(235, 91, 189, 0.08), 0 12px 34px rgba(20, 33, 61, 0.07);
}

.qr-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 0;
  padding: 24px 20px;
  text-align: center;
}

.qr-item + .qr-item {
  border-left: 1px solid var(--line);
}

.qr-item img {
  width: min(210px, 100%);
  aspect-ratio: 1 / 1;
  object-fit: contain;
  margin-bottom: 18px;
}

.qr-item h3 {
  margin-bottom: 8px;
}

.qr-item p {
  max-width: 250px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(340px, 1fr);
  gap: 30px;
  align-items: center;
  background: #fff;
}

.split.reverse {
  background: linear-gradient(135deg, #fff 0%, #fff3fb 100%);
}

.section-copy {
  max-width: 640px;
}

.list-panel {
  padding: 28px;
  background:
    linear-gradient(135deg, rgba(255, 230, 109, 0.24), transparent 42%),
    var(--soft-blue);
}

.list-panel.pink {
  background:
    linear-gradient(135deg, rgba(85, 239, 196, 0.18), transparent 42%),
    var(--soft-purple);
}

.list-panel ul {
  margin: 0;
  padding-left: 20px;
}

.list-panel li {
  margin-bottom: 12px;
  color: #3f4658;
}

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

.credential-card {
  padding: 24px;
}

.opc {
  background:
    linear-gradient(135deg, rgba(91, 53, 230, 0.08) 0 24%, transparent 24%),
    linear-gradient(135deg, #fff7fd, #fff);
}

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

.contact {
  background:
    radial-gradient(circle at 82% 24%, rgba(235, 91, 189, 0.36), transparent 30%),
    radial-gradient(circle at 18% 78%, rgba(91, 53, 230, 0.36), transparent 34%),
    linear-gradient(135deg, #10091f, #211a55 58%, #42195d);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.contact::before {
  position: absolute;
  inset: auto 8% 12% auto;
  width: min(520px, 46vw);
  height: 150px;
  border: 2px solid rgba(255, 230, 109, 0.28);
  border-radius: 8px;
  transform: rotate(-5deg);
  content: "";
}

.contact::after {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.2), #000, rgba(0, 0, 0, 0.2));
  pointer-events: none;
  content: "";
}

.contact h2,
.contact .eyebrow {
  color: #fff;
}

.contact > * {
  position: relative;
  z-index: 1;
}

.contact p {
  color: rgba(255, 255, 255, 0.78);
}

.contact-card {
  padding: 26px;
  color: var(--ink);
}

.contact-card p {
  color: var(--ink);
}

.contact-card span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 13px;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 24px clamp(20px, 6vw, 96px);
  color: var(--muted);
  background: #fff;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.footer-records {
  display: flex;
  flex: 1 1 540px;
  min-width: 0;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.gongan-record {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.gongan-record img {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}

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

.mobile-service-strip,
.wechat-toggle {
  display: none;
}

.home-hero {
  min-height: min(700px, calc(100vh - 74px));
}

.outcome-panel {
  transform: none;
}

.outcome-kicker {
  margin-bottom: 12px;
  color: rgba(255, 255, 255, 0.64);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.outcome-link {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 2px 12px;
  align-items: center;
  padding: 17px 0;
  color: #fff;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.outcome-link span {
  grid-row: span 2;
  color: var(--sun);
  font-size: 13px;
  font-weight: 800;
}

.outcome-link strong {
  font-size: 19px;
}

.outcome-link small {
  color: rgba(232, 240, 255, 0.68);
}

.section-heading-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}

.section-heading-row .section-title {
  margin-bottom: 0;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--brand);
  font-size: 15px;
  font-weight: 800;
}

.work-grid {
  display: grid;
  grid-template-columns: 1.25fr repeat(2, minmax(0, 0.75fr));
  gap: 18px;
}

.work-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 330px;
  padding: 28px;
  background: #fff;
  border: 2px solid rgba(91, 53, 230, 0.1);
  border-radius: 8px;
  box-shadow: 10px 10px 0 rgba(91, 53, 230, 0.05), 0 12px 34px rgba(38, 44, 112, 0.06);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.work-card:hover {
  transform: translateY(-4px);
  box-shadow: 12px 12px 0 rgba(235, 91, 189, 0.1), 0 18px 42px rgba(20, 33, 61, 0.1);
}

.work-card-featured {
  flex-direction: row;
  gap: 24px;
  color: #fff;
  background:
    radial-gradient(circle at 90% 12%, rgba(235, 91, 189, 0.5), transparent 34%),
    linear-gradient(135deg, #10091f, #211a55 62%, #42195d);
  border-color: rgba(235, 91, 189, 0.34);
}

.work-card-copy {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  justify-content: space-between;
}

.work-card-featured h3,
.work-card-featured strong {
  color: #fff;
}

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

.work-card-featured img {
  align-self: center;
  width: min(170px, 36%);
  border-radius: 28%;
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.28);
}

.work-tag {
  display: inline-flex;
  align-self: flex-start;
  padding: 5px 9px;
  margin-bottom: 28px;
  color: var(--brand-dark);
  background: var(--sun);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 800;
}

.work-card h3 {
  font-size: clamp(24px, 3vw, 34px);
}

.work-card p {
  color: var(--muted);
}

.work-card > strong,
.work-card-copy > strong {
  margin-top: 32px;
  color: var(--brand);
  font-size: 15px;
}

.updates {
  background:
    linear-gradient(135deg, rgba(255, 230, 109, 0.16), transparent 32%),
    linear-gradient(180deg, #fff 0%, #f8f6ff 100%);
}

.patent-proof {
  padding-top: 44px;
  padding-bottom: 44px;
  background:
    radial-gradient(circle at 88% 12%, rgba(235, 91, 189, 0.12), transparent 28%),
    linear-gradient(135deg, #f6f3ff, #fff 58%);
}

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

.patent-proof-card {
  padding: 22px;
  background: #fff;
  border: 2px solid rgba(91, 53, 230, 0.1);
  border-radius: 8px;
  box-shadow: 12px 12px 0 rgba(91, 53, 230, 0.05), 0 18px 46px rgba(38, 44, 112, 0.08);
}

.patent-proof-copy h3 {
  margin: 18px 0 10px;
  font-size: clamp(21px, 2.1vw, 27px);
  line-height: 1.25;
}

.patent-proof-copy > p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
}

.patent-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 18px 0 0;
}

.patent-meta div {
  padding: 11px 12px;
  background: var(--soft-purple);
  border: 1px solid rgba(91, 53, 230, 0.1);
  border-radius: 8px;
}

.patent-meta dt {
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.patent-meta dd {
  margin: 0;
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.patent-note {
  font-size: 13px;
}

.patent-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-top: 22px;
}

.update-list {
  border-top: 2px solid var(--brand-dark);
}

.update-item {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 28px;
  align-items: start;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.update-item time {
  color: var(--brand-dark);
  font-size: 18px;
  font-weight: 900;
}

.update-item div > span {
  display: block;
  margin-bottom: 5px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 800;
}

.update-item h3 {
  margin-bottom: 6px;
}

.update-item p {
  margin-bottom: 0;
  color: var(--muted);
}

.update-item > a {
  color: var(--brand);
  font-weight: 800;
}

.about-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.72fr);
  gap: 48px;
  align-items: center;
  padding: 88px clamp(20px, 6vw, 96px);
  background:
    linear-gradient(135deg, rgba(255, 230, 109, 0.18) 0 15%, transparent 15%),
    linear-gradient(135deg, #f9f8ff, #fff);
}

.about-hero h1 {
  font-size: clamp(42px, 6vw, 70px);
}

.about-facts {
  transform: rotate(1deg);
}

.about-position,
.about-method {
  background:
    radial-gradient(circle at 88% 24%, rgba(235, 91, 189, 0.11), transparent 26%),
    #fff;
}

.position-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
  max-width: 1100px;
}

.position-grid p {
  margin-bottom: 0;
  color: #3f4658;
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.75;
}

.about-products {
  background:
    linear-gradient(135deg, rgba(85, 239, 196, 0.1), transparent 34%),
    linear-gradient(180deg, #fff, #f8f6ff);
}

.product-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.product-detail-card {
  padding: clamp(24px, 4vw, 38px);
  background: #fff;
  border: 2px solid rgba(91, 53, 230, 0.1);
  border-radius: 8px;
  box-shadow: 10px 10px 0 rgba(91, 53, 230, 0.05), 0 12px 34px rgba(38, 44, 112, 0.06);
}

.product-detail-card h3 {
  font-size: clamp(28px, 4vw, 40px);
}

.product-detail-card p,
.product-detail-card li {
  color: #3f4658;
}

.product-detail-card ul {
  margin: 20px 0 28px;
  padding-left: 20px;
}

.product-detail-card li {
  margin-bottom: 8px;
}

.shihe-product {
  display: grid;
  grid-template-columns: 1fr minmax(120px, 190px);
  gap: 24px;
  align-items: center;
  color: #fff;
  background:
    radial-gradient(circle at 85% 14%, rgba(235, 91, 189, 0.5), transparent 32%),
    linear-gradient(135deg, #10091f, #211a55 62%, #42195d);
  border-color: rgba(235, 91, 189, 0.34);
}

.shihe-product h3 {
  color: #fff;
}

.shihe-product p,
.shihe-product li {
  color: rgba(255, 255, 255, 0.76);
}

.shihe-product img {
  width: 100%;
  border-radius: 28%;
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.28);
}

.concise-services .service-card {
  display: flex;
  flex-direction: column;
}

.concise-services .service-card div {
  display: flex;
  flex: 1;
  flex-direction: column;
}

.concise-services .service-card p {
  flex: 1;
}

.concise-services .service-card:nth-child(2),
.concise-services .service-card:nth-child(3) {
  transform: none;
}

.credentials-more {
  margin-top: 24px;
}

.about-insights {
  background:
    linear-gradient(135deg, rgba(255, 230, 109, 0.14) 0 18%, transparent 18%),
    linear-gradient(180deg, #ffffff 0%, #fbf8ff 100%);
}

.insight-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.insight-links a {
  padding: 22px;
  background: #fff;
  border: 2px solid rgba(91, 53, 230, 0.08);
  border-radius: 8px;
  transition: border-color 160ms ease, transform 160ms ease;
}

.insight-links a:hover {
  border-color: rgba(91, 53, 230, 0.28);
  transform: translateY(-3px);
}

.insight-links span {
  display: block;
  margin-bottom: 6px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 800;
}

.insight-links strong {
  color: var(--brand-dark);
}

.wechat-dialog {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.wechat-toggle:checked ~ .wechat-dialog {
  display: flex;
}

.wechat-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(16, 9, 31, 0.62);
  backdrop-filter: blur(10px);
  cursor: pointer;
}

.wechat-card {
  position: relative;
  z-index: 1;
  width: min(360px, 100%);
  padding: 24px;
  background: #fff;
  border: 2px solid rgba(91, 53, 230, 0.14);
  border-radius: 8px;
  box-shadow: 12px 12px 0 rgba(235, 91, 189, 0.18), 0 20px 60px rgba(16, 9, 31, 0.26);
  text-align: center;
}

.wechat-card h3 {
  margin-bottom: 6px;
}

.wechat-card p {
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 15px;
}

.wechat-card img {
  display: block;
  width: 100%;
  border-radius: 8px;
}

.wechat-close {
  position: absolute;
  top: 10px;
  right: 14px;
  color: var(--muted);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
}

@media (max-width: 1080px) {
  .hero,
  .about-hero,
  .intro-layout,
  .split,
  .platform-layout,
  .contact {
    grid-template-columns: 1fr;
  }

  .service-grid,
  .article-grid,
  .credential-layout,
  .platform-copy,
  .opc-grid,
  .work-grid,
  .insight-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .article-card.feature {
    grid-row: auto;
  }

  .work-card-featured {
    grid-column: span 2;
  }
}

@media (max-width: 720px) {
  .site-header {
    align-items: center;
    flex-direction: row;
    gap: 12px;
    padding: 12px 18px;
  }

  .brand {
    font-size: 18px;
  }

  .brand img {
    width: auto;
    height: 32px;
  }

  .nav {
    display: none;
  }

  .hero {
    min-height: auto;
    display: block;
    padding: 30px 18px 24px;
  }

  .hero::after {
    right: -80px;
    bottom: 36px;
    width: 260px;
    height: 110px;
  }

  .hero-copy {
    max-width: none;
  }

  .mobile-hero-logo {
    display: block;
    width: min(232px, 70vw);
    margin: 2px auto 18px;
    filter: drop-shadow(0 16px 28px rgba(235, 91, 189, 0.16));
  }

  h1 {
    max-width: 100%;
    margin-bottom: 16px;
    font-size: 32px;
    line-height: 1.18;
  }

  h1 span {
    display: block;
  }

  .lead {
    margin-bottom: 18px;
    font-size: 16px;
    line-height: 1.65;
  }

  .button {
    min-height: 44px;
    padding: 0 16px;
  }

  .hero-actions .secondary {
    display: none;
  }

  .hero-panel {
    display: none;
  }

  .mobile-service-strip {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 22px;
  }

  .mobile-service-strip a {
    display: block;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid rgba(235, 91, 189, 0.22);
    border-radius: 8px;
    box-shadow: 6px 6px 0 rgba(255, 230, 109, 0.14), 0 10px 24px rgba(7, 17, 31, 0.18);
  }

  .mobile-service-strip strong {
    display: block;
    margin-bottom: 3px;
    color: #fff;
  }

  .mobile-service-strip span {
    display: block;
    color: rgba(232, 240, 255, 0.72);
    font-size: 13px;
  }

  .capability-grid,
  .service-grid,
  .article-grid,
  .credential-layout,
  .platform-copy,
  .qr-panel,
  .opc-grid,
  .work-grid,
  .product-detail-grid,
  .position-grid,
  .insight-links {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 44px 18px;
  }

  .section-title {
    margin-bottom: 20px;
  }

  .section-heading-row {
    align-items: start;
    flex-direction: column;
    margin-bottom: 20px;
  }

  .work-card,
  .work-card-featured {
    grid-column: auto;
    min-height: 280px;
  }

  .work-card-featured {
    flex-direction: column;
  }

  .work-card-featured img {
    align-self: flex-start;
    width: 104px;
  }

  .update-item {
    grid-template-columns: 1fr auto;
    gap: 8px 16px;
  }

  .update-item time {
    grid-column: 1 / -1;
    font-size: 15px;
  }

  .about-hero {
    padding: 52px 18px;
  }

  .about-hero h1 {
    font-size: 38px;
  }

  .about-facts {
    transform: none;
  }

  .position-grid {
    gap: 18px;
  }

  .shihe-product {
    grid-template-columns: 1fr;
  }

  .shihe-product img {
    grid-row: 1;
    width: 104px;
  }

  .intro {
    padding-top: 28px;
  }

  .intro-text,
  .facts,
  .credential-card,
  .platform-card,
  .qr-panel,
  .contact-card,
  .list-panel,
  .service-card,
  .article-card {
    box-shadow: 0 8px 22px rgba(38, 44, 112, 0.06);
  }

  .service-card div,
  .article-card div,
  .credential-card,
  .contact-card,
  .list-panel,
  .intro-text {
    padding: 18px;
  }

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

  .article-card.feature div {
    padding: 18px;
  }

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

  .qr-item {
    padding: 22px 18px;
  }

  .qr-item + .qr-item {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .qr-item img {
    width: min(245px, 82vw);
  }

  .service-card:nth-child(2),
  .service-card:nth-child(3) {
    transform: none;
  }

  .split {
    padding-top: 46px;
  }

  .footer-records {
    flex-basis: 100%;
  }

  .article-page {
    padding: 34px 20px 54px;
  }

  .article-page h1 {
    max-width: 100%;
    font-size: 26px;
    line-height: 1.24;
    word-break: break-word;
    overflow-wrap: anywhere;
  }

  .article-summary,
  .article-section p,
  .article-section li {
    font-size: 16px;
  }
}

/* 2026-07 compact layout refinement */
.site-header {
  padding: 12px max(24px, calc((100vw - 1240px) / 2));
}

.brand img {
  height: 38px;
}

.nav {
  gap: 18px;
  font-size: 14px;
}

.nav a[aria-current="page"] {
  color: var(--brand-dark);
  font-weight: 800;
}

.section {
  padding: 56px max(24px, calc((100vw - 1180px) / 2));
}

.section-title {
  max-width: 680px;
  margin-bottom: 24px;
}

h1 {
  font-size: clamp(40px, 5.2vw, 60px);
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(28px, 3.6vw, 38px);
}

h3 {
  font-size: 19px;
}

.lead {
  max-width: 620px;
  margin-bottom: 24px;
  font-size: 17px;
}

.home-hero,
.about-hero,
.business-hero {
  padding-right: max(24px, calc((100vw - 1180px) / 2));
  padding-left: max(24px, calc((100vw - 1180px) / 2));
}

.home-hero {
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.72fr);
  gap: 34px;
  min-height: 560px;
  padding-top: 48px;
  padding-bottom: 48px;
}

.home-hero h1 span {
  display: block;
}

.home-hero .hero-panel {
  padding: 24px;
}

.home-hero .hero-logo {
  width: min(210px, 60%);
  margin-bottom: 14px;
}

.hero-panel {
  padding: 28px;
}

.hero-logo {
  width: min(260px, 70%);
  margin-bottom: 18px;
}

.outcome-link {
  grid-template-columns: 80px 1fr;
  padding: 13px 0;
}

.outcome-link strong {
  font-size: 17px;
}

.button {
  min-height: 42px;
  padding: 0 17px;
  font-size: 14px;
}

.section-heading-row {
  margin-bottom: 24px;
}

.work-grid {
  grid-template-columns: 1.15fr repeat(2, minmax(0, 0.85fr));
  gap: 16px;
}

.work-card {
  min-height: 260px;
  padding: 24px;
}

.work-card h3 {
  font-size: clamp(22px, 2.6vw, 28px);
}

.work-card p {
  font-size: 15px;
}

.work-card > strong,
.work-card-copy > strong {
  margin-top: 22px;
  font-size: 14px;
}

.work-tag {
  margin-bottom: 18px;
}

.work-card-featured img,
.yunyutrace-card-icon {
  align-self: center;
  width: min(120px, 28%);
}

.update-item {
  grid-template-columns: 100px 1fr auto;
  gap: 22px;
  padding: 20px 0;
}

.update-item time {
  font-size: 16px;
}

.update-item p {
  font-size: 15px;
}

.contact {
  gap: 40px;
}

.contact-card {
  padding: 22px;
}

.footer {
  padding: 20px max(24px, calc((100vw - 1180px) / 2));
}

.about-hero,
.business-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: 42px;
  align-items: center;
  padding-top: 64px;
  padding-bottom: 64px;
  background:
    linear-gradient(135deg, rgba(255, 230, 109, 0.16) 0 14%, transparent 14%),
    linear-gradient(135deg, #f9f8ff, #fff);
}

.compact-hero h1 {
  margin-bottom: 18px;
  font-size: clamp(40px, 5vw, 56px);
}

.about-facts {
  transform: none;
}

.position-grid {
  gap: 32px;
}

.position-grid p {
  font-size: clamp(16px, 1.5vw, 19px);
}

.opc-grid {
  gap: 14px;
}

.opc-grid div {
  min-height: 94px;
  padding: 16px;
}

.credential-layout {
  gap: 16px;
}

.credential-card {
  padding: 20px;
}

.business-hero {
  background:
    radial-gradient(circle at 82% 18%, rgba(235, 91, 189, 0.13), transparent 28%),
    linear-gradient(135deg, #f9f8ff, #fff);
}

.business-index {
  padding: 8px 22px;
  background: #fff;
  border: 2px solid rgba(91, 53, 230, 0.08);
  border-radius: 8px;
  box-shadow: 10px 10px 0 rgba(91, 53, 230, 0.05), 0 12px 34px rgba(38, 44, 112, 0.06);
}

.business-index a {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  align-items: center;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.business-index a:last-child {
  border-bottom: 0;
}

.business-index span {
  color: var(--brand);
  font-size: 12px;
  font-weight: 800;
}

.business-index strong {
  color: var(--brand-dark);
  font-size: 16px;
}

.product-detail-grid {
  gap: 16px;
}

.product-detail-card {
  padding: 26px;
}

.product-detail-card h3 {
  font-size: clamp(24px, 3vw, 32px);
}

.compact-products .shihe-product {
  grid-template-columns: 1fr 120px;
}

.compact-products .shihe-product img {
  width: 120px;
}

.service-grid {
  gap: 14px;
}

.service-card img {
  aspect-ratio: 2.8 / 1;
}

.service-card div {
  padding: 18px;
}

.service-card p {
  font-size: 15px;
}

.detail-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(360px, 1fr);
  gap: 46px;
  align-items: center;
  background: #fff;
}

.detail-section.alternate {
  background: linear-gradient(135deg, #f8f6ff, #fff);
}

.detail-points {
  display: grid;
  gap: 10px;
}

.detail-points div {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 16px;
  padding: 16px 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.detail-points strong {
  color: var(--brand-dark);
}

.detail-points span {
  color: var(--muted);
  font-size: 14px;
}

.insight-links {
  gap: 12px;
}

.insight-links a {
  padding: 18px;
}

@media (max-width: 1080px) {
  .home-hero,
  .about-hero,
  .business-hero,
  .detail-section {
    grid-template-columns: 1fr;
  }

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

  .patent-proof-list {
    grid-template-columns: 1fr;
  }

  .home-hero {
    min-height: auto;
  }

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

@media (max-width: 900px) {
  .nav {
    gap: 11px;
    font-size: 13px;
  }
}

@media (max-width: 720px) {
  .site-header {
    padding: 12px 18px;
  }

  .brand img {
    height: 32px;
  }

  .section {
    padding: 38px 18px;
  }

  h1 {
    font-size: 32px;
  }

  h2 {
    font-size: 27px;
  }

  h3 {
    font-size: 18px;
  }

  .home-hero,
  .about-hero,
  .business-hero {
    padding: 34px 18px;
  }

  .home-hero {
    padding-top: 24px;
    padding-bottom: 24px;
  }

  .home-hero .mobile-hero-logo {
    width: min(160px, 52vw);
    margin: 0 auto 12px;
  }

  .home-hero .lead {
    font-size: 15px;
  }

  .home-hero .mobile-service-strip {
    gap: 8px;
    margin-top: 16px;
  }

  .home-hero .mobile-service-strip a {
    padding: 11px 14px;
  }

  .compact-hero h1 {
    font-size: 34px;
  }

  .section-title,
  .section-heading-row {
    margin-bottom: 18px;
  }

  .patent-proof {
    padding-top: 30px;
    padding-bottom: 30px;
  }

  .patent-proof-list {
    gap: 14px;
  }

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

  .patent-proof-card {
    padding: 16px;
  }

  .patent-proof-copy h3 {
    margin-top: 14px;
    font-size: 20px;
  }

  .patent-proof-copy > p {
    font-size: 14px;
  }

  .patent-meta {
    gap: 6px;
    margin-top: 14px;
  }

  .patent-meta div {
    padding: 9px 10px;
  }

  .work-card {
    min-height: auto;
    padding: 20px;
  }

  .work-card-featured img,
  .yunyutrace-card-icon,
  .compact-products .shihe-product img {
    width: 88px;
  }

  .update-item {
    grid-template-columns: 1fr auto;
    gap: 6px 14px;
    padding: 18px 0;
  }

  .business-index {
    grid-template-columns: 1fr;
    padding: 6px 18px;
  }

  .product-detail-card {
    padding: 20px;
  }

  .compact-products .shihe-product {
    grid-template-columns: 1fr;
  }

  .detail-section {
    gap: 24px;
  }

  .detail-points div {
    grid-template-columns: 1fr;
    gap: 3px;
    padding: 14px 16px;
  }

  .contact {
    gap: 24px;
  }
}

/* 2026-08-23: company design language v2.0 visual migration */
:root {
  --ink: #1d1d1f;
  --muted: #626268;
  --line: #d2d2d7;
  --brand: #0071e3;
  --brand-dark: #1d1d1f;
  --pink: #5856d6;
  --violet: #5856d6;
  --blue: #0071e3;
  --soft-blue: #f2f7ff;
  --soft-purple: #f5f4ff;
  --soft-pink: #f7f5ff;
  --sun: #eaf3ff;
  --mint: #00a67e;
  --panel: #fff;
  --bg: #fbfbfd;
  --shadow: 0 18px 55px rgba(29, 29, 31, 0.08);
}

body {
  color: var(--ink);
  background: linear-gradient(180deg, #fff 0%, #f8faff 48%, var(--bg) 100%);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Segoe UI", sans-serif;
  isolation: isolate;
}

body::before,
body::after {
  position: fixed;
  z-index: -1;
  width: 62vmax;
  height: 62vmax;
  border-radius: 50%;
  pointer-events: none;
  content: "";
  will-change: transform, opacity;
}

body::before {
  top: -28vmax;
  left: -24vmax;
  background: radial-gradient(circle at 42% 44%, rgba(0, 113, 227, 0.24), rgba(0, 113, 227, 0.1) 36%, transparent 70%);
}

body::after {
  right: -26vmax;
  bottom: -28vmax;
  background:
    radial-gradient(circle at 58% 38%, rgba(88, 86, 214, 0.2), transparent 62%),
    radial-gradient(circle at 34% 68%, rgba(0, 166, 126, 0.12), transparent 58%);
}

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

a:focus-visible,
.button:focus-visible,
label:focus-visible {
  outline: 3px solid rgba(0, 113, 227, 0.34);
  outline-offset: 3px;
}

.site-header {
  gap: 12px;
  padding: 13px clamp(20px, 5vw, 72px);
  background: rgba(251, 251, 253, 0.84);
  border-bottom: 1px solid rgba(29, 29, 31, 0.08);
  backdrop-filter: saturate(160%) blur(20px);
}

.brand img {
  height: 42px;
}

.nav {
  gap: 22px;
  color: #515154;
  font-weight: 650;
}

.nav a[aria-current="page"] {
  color: var(--ink);
}

.language-switch {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 14px;
  font-size: 13px;
  font-weight: 750;
  line-height: 1;
}

.language-switch {
  min-width: 44px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(29, 29, 31, 0.12);
}

.language-switch:hover {
  color: var(--brand);
  background: #fff;
  border-color: rgba(0, 113, 227, 0.28);
}

.hero,
.about-hero,
.business-hero,
.trace-hero {
  color: var(--ink);
  background:
    radial-gradient(circle at 86% 18%, rgba(88, 86, 214, 0.13), transparent 27rem),
    radial-gradient(circle at 18% 76%, rgba(0, 113, 227, 0.12), transparent 30rem),
    linear-gradient(180deg, #fff 0%, #fbfbfd 100%);
  background-position: 100% 10%, 0% 90%, center;
  background-size: 135% 135%, 145% 145%, auto;
}

@keyframes yunyulai-light-flow-a {
  0% {
    opacity: 0.52;
    transform: translate3d(0, 0, 0) scale(0.9);
  }

  36% {
    opacity: 0.82;
    transform: translate3d(32vw, 18vh, 0) scale(1.12);
  }

  72% {
    opacity: 0.62;
    transform: translate3d(12vw, 58vh, 0) scale(0.96);
  }

  100% {
    opacity: 0.76;
    transform: translate3d(50vw, 34vh, 0) scale(1.18);
  }
}

@keyframes yunyulai-light-flow-b {
  0% {
    opacity: 0.5;
    transform: translate3d(0, 0, 0) scale(1.08);
  }

  40% {
    opacity: 0.74;
    transform: translate3d(-38vw, -28vh, 0) scale(0.92);
  }

  76% {
    opacity: 0.6;
    transform: translate3d(-14vw, -62vh, 0) scale(1.16);
  }

  100% {
    opacity: 0.78;
    transform: translate3d(-52vw, -40vh, 0) scale(0.98);
  }
}

@media (prefers-reduced-motion: no-preference) {
  body::before {
    animation: yunyulai-light-flow-a 24s ease-in-out infinite alternate;
  }

  body::after {
    animation: yunyulai-light-flow-b 31s ease-in-out infinite alternate;
  }
}

.hero {
  min-height: min(720px, calc(100vh - 69px));
  padding: 76px clamp(20px, 6vw, 96px) 68px;
}

.hero::after,
.contact::before,
.contact::after {
  content: none;
}

h1,
h2,
h3,
.hero h1,
.contact-card h3 {
  color: var(--ink);
}

h1 {
  font-size: clamp(48px, 6.2vw, 72px);
  font-weight: 780;
  letter-spacing: -0.045em;
}

h2 {
  font-size: clamp(34px, 4.2vw, 52px);
  font-weight: 750;
  letter-spacing: -0.035em;
}

h3 {
  letter-spacing: -0.018em;
}

.lead,
.hero .lead,
.section-title > p:last-child,
.section-copy p,
.credential-card p,
.contact p {
  color: var(--muted);
}

.eyebrow,
.hero .eyebrow {
  display: block;
  width: fit-content;
  padding: 0;
  color: var(--brand);
  background: transparent;
  border-radius: 0;
  box-shadow: none;
  letter-spacing: 0.02em;
}

.button {
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-weight: 720;
  transition: background-color 160ms ease, border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: #fff;
  background: var(--brand);
  box-shadow: 0 10px 24px rgba(0, 113, 227, 0.2);
}

.button.primary:hover {
  background: #0064c8;
}

.button.secondary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.88);
  border-color: rgba(29, 29, 31, 0.12);
}

.hero-panel,
.intro-text,
.facts,
.credential-card,
.contact-card,
.list-panel,
.article-card,
.service-card,
.platform-card,
.qr-panel,
.work-card,
.patent-proof-card,
.product-detail-card,
.insight-links a,
.wechat-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(29, 29, 31, 0.09);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: clamp(28px, 4vw, 46px);
  backdrop-filter: blur(18px);
  transform: none;
}

.hero-logo {
  width: min(240px, 62%);
  margin-bottom: 20px;
  filter: none;
}

.outcome-kicker {
  color: var(--muted);
}

.outcome-link {
  color: var(--ink);
  border-top-color: rgba(29, 29, 31, 0.1);
}

.outcome-link span,
.outcome-link strong {
  color: var(--brand);
}

.outcome-link small {
  color: var(--muted);
}

.section {
  padding: 96px clamp(20px, 6vw, 96px);
}

.home-work,
.about-story,
.detail-section,
.split {
  background: transparent;
}

.updates,
.patent-proof,
.article-hub,
.about-products,
.about-position,
.about-method,
.opc,
.platform,
.split.reverse {
  background:
    radial-gradient(circle at 88% 18%, rgba(88, 86, 214, 0.07), transparent 24rem),
    #f5f5f7;
}

body:not(.article-body) main > section:not(.contact):not(.shihe-contact) {
  background: transparent;
}

.update-list {
  border-top-color: rgba(29, 29, 31, 0.1);
}

.update-item {
  border-bottom-color: rgba(29, 29, 31, 0.09);
}

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

.work-card {
  min-height: 300px;
  padding: 30px;
}

.work-card-featured,
.shihe-product {
  color: var(--ink);
  background:
    radial-gradient(circle at 88% 12%, rgba(88, 86, 214, 0.15), transparent 18rem),
    #fff;
  border-color: rgba(88, 86, 214, 0.16);
}

.work-card-featured h3,
.work-card-featured strong,
.shihe-product h3 {
  color: var(--ink);
}

.work-card-featured p,
.shihe-product p,
.shihe-product li {
  color: var(--muted);
}

.work-card:hover,
.article-card:hover,
.insight-links a:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 113, 227, 0.22);
  box-shadow: 0 22px 60px rgba(29, 29, 31, 0.11);
}

.work-tag,
.article-card span {
  color: var(--brand);
  background: var(--soft-blue);
  border-radius: 999px;
}

.yunyutrace-card,
.yunyutrace-product {
  background:
    radial-gradient(circle at 90% 10%, rgba(0, 166, 126, 0.12), transparent 19rem),
    radial-gradient(circle at 10% 100%, rgba(0, 113, 227, 0.1), transparent 22rem),
    #fff;
  border-color: rgba(0, 166, 126, 0.18);
}

.yunyutrace-card {
  flex-direction: row;
  gap: 24px;
}

.yunyutrace-card-icon {
  border-radius: 28px;
  box-shadow: 0 20px 44px rgba(45, 79, 166, 0.16);
}

.yunyutrace-product {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: 1fr minmax(150px, 210px);
  gap: 32px;
  align-items: center;
}

.yunyutrace-product-icon {
  width: 100%;
  border-radius: 32px;
  box-shadow: 0 22px 48px rgba(45, 79, 166, 0.16);
}

.service-card:nth-child(2),
.service-card:nth-child(3),
.about-facts {
  transform: none;
}

.service-card,
.article-card {
  overflow: hidden;
}

.service-card img,
.article-card img {
  background: #f5f5f7;
}

.platform-card:nth-child(1),
.platform-card:nth-child(2),
.platform-card:nth-child(3),
.list-panel,
.list-panel.pink {
  background: #fff;
}

.business-index {
  overflow: hidden;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(29, 29, 31, 0.09);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.detail-points div,
.opc-grid div,
.patent-meta div {
  background: #fff;
  border-color: rgba(29, 29, 31, 0.09);
  border-radius: 18px;
}

.update-list {
  border-top: 1px solid rgba(29, 29, 31, 0.18);
}

.contact {
  color: #fff;
  background:
    radial-gradient(circle at 82% 20%, rgba(0, 113, 227, 0.28), transparent 28rem),
    radial-gradient(circle at 18% 82%, rgba(88, 86, 214, 0.22), transparent 30rem),
    #101114;
}

.contact h2,
.contact .eyebrow {
  color: #fff;
}

.contact > div:first-child > p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.78);
}

.contact-card p {
  color: var(--ink);
}

.article-body {
  background: #fbfbfd;
}

.article-page {
  max-width: 900px;
  padding-top: 72px;
}

.article-cover {
  border: 1px solid rgba(29, 29, 31, 0.08);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.article-section p,
.article-section li,
.position-grid p,
.product-detail-card p,
.product-detail-card li,
.platform-card span,
.list-panel li {
  color: #515154;
}

.footer {
  background: #fbfbfd;
  border-top-color: rgba(29, 29, 31, 0.09);
}

.wechat-backdrop {
  background: rgba(16, 17, 20, 0.62);
}

.trace-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.72fr);
  gap: 54px;
  align-items: center;
  min-height: min(700px, calc(100vh - 69px));
  padding: 88px clamp(20px, 7vw, 112px);
}

.trace-hero h1 {
  max-width: 820px;
}

.trace-product-panel {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
}

.trace-product-icon {
  width: min(210px, 56%);
  border-radius: 36px;
  box-shadow: 0 24px 56px rgba(45, 79, 166, 0.18);
}

.trace-summary {
  width: 100%;
  margin: 0;
  padding: 14px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(29, 29, 31, 0.09);
  border-radius: 32px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.trace-summary div {
  padding: 20px;
  border-bottom: 1px solid rgba(29, 29, 31, 0.09);
}

.trace-summary div:last-child {
  border-bottom: 0;
}

.trace-summary dt {
  color: var(--muted);
  font-size: 13px;
}

.trace-summary dd {
  margin: 4px 0 0;
  color: var(--ink);
  font-size: 20px;
  font-weight: 740;
}

.trace-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.trace-card-grid article {
  min-height: 280px;
  padding: 30px;
  background: #fff;
  border: 1px solid rgba(29, 29, 31, 0.09);
  border-radius: 26px;
  box-shadow: var(--shadow);
}

.trace-card-grid span {
  color: var(--brand);
  font-size: 14px;
  font-weight: 760;
}

.trace-card-grid h3 {
  margin-top: 46px;
  font-size: 27px;
}

.trace-card-grid p,
.trace-steps p {
  color: var(--muted);
}

.trace-privacy {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(400px, 1fr);
  gap: 64px;
  align-items: center;
  background:
    radial-gradient(circle at 16% 82%, rgba(0, 166, 126, 0.11), transparent 25rem),
    #f5f5f7;
}

.trace-note {
  margin-top: 24px;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(0, 166, 126, 0.16);
  border-radius: 18px;
}

.trace-steps {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.trace-steps li {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  align-items: start;
  padding: 22px;
  background: #fff;
  border: 1px solid rgba(29, 29, 31, 0.09);
  border-radius: 22px;
  box-shadow: 0 12px 34px rgba(29, 29, 31, 0.06);
}

.trace-steps li > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: #fff;
  background: var(--brand);
  border-radius: 14px;
  font-weight: 760;
}

.trace-steps strong {
  display: block;
  margin-bottom: 4px;
  font-size: 18px;
}

.trace-steps p {
  margin: 0;
}

@media (max-width: 1080px) {
  .trace-hero,
  .trace-privacy {
    grid-template-columns: 1fr;
  }

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

  .trace-summary div:nth-child(2) {
    border-bottom: 1px solid rgba(29, 29, 31, 0.09);
  }

  .trace-summary div:nth-child(odd) {
    border-right: 1px solid rgba(29, 29, 31, 0.09);
  }
}

@media (max-width: 720px) {
  .site-header {
    gap: 8px;
    padding: 10px 20px;
  }

  .brand {
    margin-right: auto;
  }

  .brand img {
    height: 31px;
  }

  .language-switch {
    min-height: 44px;
    padding: 0 12px;
    border-radius: 13px;
    font-size: 12px;
  }

  .hero,
  .about-hero,
  .business-hero,
  .trace-hero {
    padding: 52px 20px;
  }

  h1,
  .about-hero h1,
  .compact-hero h1 {
    font-size: clamp(38px, 11vw, 44px);
  }

  h2 {
    font-size: 34px;
  }

  .mobile-hero-logo {
    width: min(170px, 48vw);
    margin-bottom: 12px;
    filter: none;
  }

  .mobile-service-strip a {
    padding: 16px;
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(29, 29, 31, 0.09);
    border-radius: 18px;
    box-shadow: 0 12px 32px rgba(29, 29, 31, 0.07);
  }

  .mobile-service-strip strong {
    color: var(--ink);
  }

  .mobile-service-strip span {
    color: var(--muted);
  }

  .section {
    padding: 64px 20px;
  }

  .work-grid,
  .trace-card-grid,
  .product-detail-grid {
    grid-template-columns: 1fr;
  }

  .yunyutrace-product {
    grid-column: auto;
    grid-template-columns: 1fr;
  }

  .yunyutrace-card {
    flex-direction: column;
  }

  .yunyutrace-card-icon {
    align-self: flex-end;
  }

  .yunyutrace-product-icon {
    grid-row: 1;
    width: 132px;
    margin: 0 auto;
  }

  .work-card {
    min-height: 250px;
    padding: 24px;
  }

  .trace-card-grid article {
    min-height: auto;
    padding: 24px;
  }

  .trace-card-grid h3 {
    margin-top: 26px;
  }

  .trace-summary {
    grid-template-columns: 1fr;
    border-radius: 24px;
  }

  .trace-summary div,
  .trace-summary div:nth-child(2),
  .trace-summary div:nth-child(odd) {
    border-right: 0;
    border-bottom: 1px solid rgba(29, 29, 31, 0.09);
  }

  .trace-summary div:last-child {
    border-bottom: 0;
  }

  .trace-privacy {
    gap: 32px;
  }

  .footer {
    padding-right: 20px;
    padding-left: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .button,
  .work-card,
  .article-card,
  .insight-links a {
    transition: none;
  }
}

/* 2026-08-23: unified global and product navigation */
.brand {
  min-height: 44px;
}

.nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  white-space: nowrap;
}

.nav a[aria-current="page"] {
  box-shadow: inset 0 -2px var(--brand);
}

.product-subnav {
  position: sticky;
  top: 69px;
  z-index: 19;
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 58px;
  padding: 7px clamp(20px, 5vw, 72px);
  background: rgba(251, 251, 253, 0.92);
  border-bottom: 1px solid rgba(29, 29, 31, 0.08);
  backdrop-filter: saturate(160%) blur(20px);
}

.product-subnav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  white-space: nowrap;
}

.product-subnav-name {
  gap: 8px;
  margin-right: auto;
  color: var(--ink);
  font-size: 15px;
  font-weight: 760;
}

.product-subnav-name img {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  box-shadow: 0 6px 14px rgba(45, 79, 166, 0.12);
}

.product-subnav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.product-subnav-links a {
  color: #515154;
  font-size: 14px;
  font-weight: 650;
}

.product-subnav-links a:hover,
.product-subnav-name:hover {
  color: var(--brand);
}

.product-subnav-action {
  justify-content: center;
  min-width: 92px;
  padding: 0 16px;
  color: #fff;
  background: var(--brand);
  border-radius: 14px;
  font-size: 13px;
  font-weight: 750;
}

.product-subnav-action:hover {
  background: #0064c8;
}

.product-subnav-action-secondary {
  color: var(--ink);
  background: #fff;
  border: 1px solid rgba(29, 29, 31, 0.12);
}

.product-subnav-action-secondary:hover {
  color: var(--brand);
  background: #fff;
  border-color: rgba(0, 113, 227, 0.28);
}

.trace-page main [id],
.shihe-page main [id] {
  scroll-margin-top: 146px;
}

.contact-card p {
  font-weight: 600;
}

.contact-card span {
  color: #515154;
  font-size: 14px;
  font-weight: 600;
}

@media (max-width: 720px) {
  .site-header {
    position: relative;
    flex-wrap: wrap;
  }

  .site-header .nav {
    order: 3;
    display: flex;
    width: 100%;
    margin: 0;
    padding-top: 2px;
    gap: 14px;
    overflow-x: auto;
    font-size: 15px;
    scrollbar-width: none;
  }

  .site-header .nav::-webkit-scrollbar,
  .product-subnav::-webkit-scrollbar {
    display: none;
  }

  .site-header .nav a {
    flex: 0 0 auto;
  }

  .product-subnav {
    top: 0;
    gap: 16px;
    min-height: 56px;
    padding: 6px 20px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .product-subnav .product-subnav-name {
    display: none;
  }

  .product-subnav-links {
    flex: 0 0 auto;
    gap: 12px;
  }

  .product-subnav-action {
    flex: 0 0 auto;
    min-width: auto;
    padding-right: 12px;
    padding-left: 12px;
  }

  .product-subnav-language {
    display: none;
  }

  .trace-page main [id],
  .shihe-page main [id] {
    scroll-margin-top: 72px;
  }
}

@media (max-width: 380px) {
  .site-header {
    padding-right: 16px;
    padding-left: 16px;
  }

  .site-header .brand img {
    height: 28px;
  }

  .site-header .language-switch {
    padding-right: 10px;
    padding-left: 10px;
  }
}

/* 2026-08-30: simplified product architecture and restrained liquid-glass motion */
html {
  scroll-behavior: smooth;
}

.site-header {
  position: sticky;
  top: 12px;
  z-index: 40;
  width: calc(100% - 40px);
  max-width: 1320px;
  min-height: 64px;
  margin: 12px auto 0;
  padding: 9px 16px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.84), rgba(246, 249, 255, 0.7)),
    rgba(251, 251, 253, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 22px;
  box-shadow:
    0 18px 50px rgba(15, 23, 42, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.92),
    inset 0 -1px 0 rgba(91, 113, 145, 0.08);
  backdrop-filter: blur(24px) saturate(165%);
  -webkit-backdrop-filter: blur(24px) saturate(165%);
}

.nav {
  gap: 4px;
}

.nav a {
  padding: 0 14px;
  border-radius: 14px;
  transition: color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.nav a:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.62);
}

.nav a[aria-current="page"] {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.78);
  box-shadow:
    0 7px 20px rgba(15, 23, 42, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.96);
}

.language-switch {
  background: rgba(255, 255, 255, 0.64);
  border-color: rgba(255, 255, 255, 0.84);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
}

.product-subnav {
  top: 92px;
  width: calc(100% - 40px);
  max-width: 1240px;
  margin: 10px auto 0;
  background: rgba(251, 251, 253, 0.76);
  border: 1px solid rgba(255, 255, 255, 0.84);
  border-radius: 18px;
  box-shadow: 0 14px 40px rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(22px) saturate(155%);
  -webkit-backdrop-filter: blur(22px) saturate(155%);
}

.hero-logo,
.mobile-hero-logo {
  border: 0;
  outline: 0;
  clip-path: inset(2px);
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  color: #fff;
  background: var(--ink);
  border-radius: 12px;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

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

.glass-card,
.work-card,
.product-detail-card,
.button {
  --glass-x: 50%;
  --glass-y: 18%;
  position: relative;
  isolation: isolate;
}

.glass-card {
  overflow: hidden;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.86), rgba(249, 251, 255, 0.66)),
    rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.86);
  box-shadow:
    0 22px 56px rgba(15, 23, 42, 0.09),
    inset 0 1px 0 rgba(255, 255, 255, 0.98),
    inset 0 -1px 0 rgba(91, 113, 145, 0.08);
  backdrop-filter: blur(22px) saturate(155%);
  -webkit-backdrop-filter: blur(22px) saturate(155%);
}

.glass-card::before,
.work-card::before,
.product-detail-card::before,
.button::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  content: "";
  background: radial-gradient(circle at var(--glass-x) var(--glass-y), rgba(255, 255, 255, 0.78), rgba(121, 157, 255, 0.08) 28%, transparent 58%);
  opacity: 0;
  transition: opacity 240ms ease;
}

.glass-card:hover::before,
.work-card:hover::before,
.product-detail-card:hover::before,
.button:hover::before {
  opacity: 0.72;
}

.glass-card > *,
.work-card > *,
.product-detail-card > *,
.button > * {
  position: relative;
  z-index: 1;
}

.button {
  overflow: hidden;
  justify-content: center;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.64);
  border-color: rgba(255, 255, 255, 0.86);
  box-shadow:
    0 10px 26px rgba(15, 23, 42, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.98),
    inset 0 -1px 0 rgba(91, 113, 145, 0.08);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
}

.outcome-panel {
  background: rgba(255, 255, 255, 0.7);
  border-color: rgba(255, 255, 255, 0.84);
  box-shadow:
    0 24px 60px rgba(15, 23, 42, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(24px) saturate(155%);
  -webkit-backdrop-filter: blur(24px) saturate(155%);
}

.product-card-grid {
  align-items: stretch;
}

.mini-program-grid .product-card {
  container: mini-program-card / inline-size;
}

.home-work .product-category + .product-category {
  margin-top: clamp(48px, 6vw, 80px);
}

.home-work .product-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: auto;
}

.home-work .product-card-actions .product-card-action {
  width: auto;
  min-width: 0;
  margin-top: 0;
}

.product-card-grid .product-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 300px;
  padding: 26px;
  color: var(--ink);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.88), rgba(248, 251, 255, 0.7)),
    rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 28px;
  box-shadow:
    0 22px 56px rgba(15, 23, 42, 0.09),
    inset 0 1px 0 rgba(255, 255, 255, 0.98),
    inset 0 -1px 0 rgba(91, 113, 145, 0.08);
  backdrop-filter: blur(22px) saturate(150%);
  -webkit-backdrop-filter: blur(22px) saturate(150%);
}

.product-card-grid .product-card:hover {
  color: var(--ink);
  transform: translateY(-5px) scale(1.004);
  border-color: rgba(255, 255, 255, 0.98);
  box-shadow:
    0 30px 72px rgba(15, 23, 42, 0.13),
    inset 0 1px 0 rgba(255, 255, 255, 1),
    inset 0 -1px 0 rgba(91, 113, 145, 0.08);
}

.product-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.product-card-head h3 {
  max-width: calc(100% - 104px);
  margin: 0;
  color: var(--ink);
  font-size: clamp(24px, 2.4vw, 32px);
  line-height: 1.18;
}

.product-card-icon {
  flex: 0 0 auto;
  width: 84px;
  height: 84px;
  object-fit: cover;
  border: 0;
  border-radius: 23px;
  box-shadow: 0 16px 34px rgba(15, 23, 42, 0.14);
}

.product-card-icon[src*="/ai-detection-logo-black.png"] {
  object-fit: contain;
  border-radius: 0;
  box-shadow: none;
}

.product-card-icon[src*="/shengke-icon.png"] {
  object-fit: contain;
  background: #fff;
  border-radius: 27%;
}

.product-card-heading {
  flex: 1;
  min-width: 0;
}

.product-card[id] {
  scroll-margin-top: 150px;
}

.product-card-heading h3 {
  max-width: 100%;
}

.share-trigger,
.analytics-settings {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px;
  padding: 8px 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  line-height: 1.4;
  cursor: pointer;
}

.share-trigger:hover,
.analytics-settings:hover {
  color: var(--blue, #0071e3);
}

.share-trigger:focus-visible,
.analytics-settings:focus-visible,
.dialog-close:focus-visible,
.discovery-links a:focus-visible {
  outline: 2px solid #0071e3;
  outline-offset: 4px;
  border-radius: 8px;
}

.share-trigger[hidden],
.analytics-settings[hidden],
.utility-dialog [hidden] {
  display: none;
}

.hero-actions > .share-trigger {
  padding: 10px 16px;
}

.footer-actions {
  display: flex;
  flex: 0 1 auto;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 24px;
  max-width: 100%;
}

.footer-actions > a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  white-space: nowrap;
}

.footer-utilities {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 20px;
}

.utility-dialog {
  position: fixed;
  width: min(480px, calc(100vw - 32px));
  max-height: calc(100dvh - 32px);
  margin: auto;
  padding: 0;
  overflow: auto;
  color: var(--ink);
  background: #fbfbfd;
  border: 1px solid rgba(29, 29, 31, 0.08);
  border-radius: 28px;
  box-shadow: 0 30px 90px rgba(15, 23, 42, 0.22);
}

.utility-dialog::backdrop {
  background: rgba(29, 29, 31, 0.25);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.utility-dialog-content {
  position: relative;
  padding: 36px 28px 24px;
}

.utility-dialog h2 {
  margin: 14px 28px 14px 0;
  font-size: clamp(24px, 4vw, 30px);
  line-height: 1.3;
}

.utility-dialog p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.utility-dialog .eyebrow {
  max-width: calc(100% - 32px);
  font-size: 11px;
}

.dialog-close {
  position: absolute;
  top: 10px;
  right: 10px;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 28px;
  cursor: pointer;
}

.share-link-label {
  display: block;
  margin: 24px 0 8px;
  color: var(--muted);
  font-size: 12px;
}

.utility-dialog input[type="url"] {
  width: 100%;
  min-width: 0;
  min-height: 48px;
  padding: 12px;
  border: 1px solid rgba(29, 29, 31, 0.12);
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 14px;
}

.share-dialog-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.share-dialog-actions .button {
  flex: 1 1 150px;
  min-width: 0;
  white-space: normal;
}

.utility-dialog .share-status {
  min-height: 24px;
  margin: 12px 0 0;
  color: var(--ink);
  font-size: 13px;
}

.utility-dialog .share-help {
  margin: 8px 0 0;
  font-size: 12px;
}

.analytics-choice {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  margin-top: 20px;
  font-size: 14px;
}

.analytics-choice input {
  width: 18px;
  height: 18px;
  accent-color: #0071e3;
}

.product-discovery {
  border-top: 1px solid rgba(29, 29, 31, 0.1);
}

.discovery-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 28px;
}

.discovery-heading h2 {
  margin: 10px 0 0;
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.3;
}

.discovery-heading > a {
  padding: 12px 0;
  font-size: 14px;
}

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

.discovery-links a {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 88px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(29, 29, 31, 0.06);
  border-radius: 20px;
  color: var(--ink);
  font-size: 14px;
  text-decoration: none;
}

.discovery-links a:hover {
  background: #fff;
  border-color: rgba(29, 29, 31, 0.16);
}

.discovery-links img {
  flex: 0 0 40px;
  border-radius: 11px;
  object-fit: contain;
}

.discovery-links a > span:last-child {
  margin-left: auto;
  color: var(--muted);
}

@media (max-width: 1040px) {
  .discovery-links { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .discovery-links { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .discovery-links a { min-height: 72px; }
  .utility-dialog-content { padding: 32px 22px 20px; }
}

.product-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
}

.product-card-body h3 {
  margin: 0 0 12px;
  color: var(--ink);
  font-size: clamp(24px, 2.4vw, 32px);
}

.product-card-body p {
  margin: 0;
  color: var(--muted);
}

.product-card-body ul {
  display: grid;
  gap: 9px;
  margin: 18px 0 0;
  padding-left: 1.15em;
  color: #515154;
}

.product-card-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 128px;
  gap: 22px;
  align-items: start;
}

.product-mini-program-code {
  align-self: start;
  margin: 0;
  padding: 8px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(29, 29, 31, 0.08);
  border-radius: 18px;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

.product-mini-program-code img {
  display: block;
  width: 110px;
  height: 110px;
  object-fit: contain;
  background: #fff;
  border-radius: 11px;
}

.product-mini-program-code figcaption {
  margin-top: 7px;
  color: #515154;
  font-size: 12px;
  font-weight: 650;
  text-align: center;
}

.product-card-action {
  align-self: flex-start;
  min-width: 180px;
  margin-top: auto;
  color: var(--ink);
  text-decoration: none;
}

.mini-program-popover {
  position: fixed;
  z-index: 100;
  width: min(260px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  max-height: calc(100dvh - 32px);
  padding: 20px;
  overflow: auto;
  color: var(--ink);
  background: rgba(251, 251, 253, 0.98);
  border: 1px solid rgba(29, 29, 31, 0.08);
  border-radius: 24px;
  box-shadow: 0 16px 48px rgba(15, 23, 42, 0.16);
  text-align: center;
}

.mini-program-popover[hidden] {
  display: none;
}

.mini-program-popover-title {
  margin: 0 0 14px;
  font-size: 17px;
  font-weight: 650;
  line-height: 1.4;
}

.mini-program-popover img {
  display: block;
  width: min(200px, 100%);
  height: auto;
  margin: 0 auto;
  border-radius: 12px;
}

.mini-program-popover-hint {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13px;
}

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

.product-catalog {
  min-height: calc(100vh - 92px);
  padding-top: clamp(68px, 8vw, 104px);
}

.product-catalog .section-title {
  margin-bottom: clamp(28px, 4vw, 44px);
}

.product-catalog .catalog-title {
  margin-bottom: 56px;
}

.product-faq details {
  padding: 22px 0;
  border-top: 1px solid rgba(29, 29, 31, 0.12);
}

.product-faq details:last-child {
  border-bottom: 1px solid rgba(29, 29, 31, 0.12);
}

.product-faq summary {
  font-size: 18px;
  font-weight: 650;
  cursor: pointer;
}

.product-faq details p {
  max-width: 860px;
  margin: 16px 0 0;
  color: var(--muted);
}

.product-faq summary:focus-visible {
  outline: 3px solid rgba(0, 113, 227, 0.34);
  outline-offset: 6px;
}

.product-catalog .section-title h1 {
  max-width: none;
  margin: 8px 0 0;
  font-size: clamp(44px, 6vw, 72px);
  line-height: 1.03;
}

.product-status-index {
  padding: 12px;
}

.product-status-index a {
  border-radius: 16px;
  transition: background-color 180ms ease, transform 180ms ease;
}

.product-status-index a:hover {
  background: rgba(255, 255, 255, 0.62);
  transform: translateX(3px);
}

.contact-card-with-qr {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 30px;
  align-items: center;
  min-width: min(100%, 680px);
  padding: 26px;
}

@media (min-width: 1081px) {
  .about-hero {
    padding-right: clamp(20px, 6vw, 96px);
    padding-left: clamp(20px, 6vw, 96px);
  }

  .contact {
    grid-template-columns: minmax(0, 0.72fr) minmax(680px, 1.28fr);
  }
}

.contact-details {
  min-width: 0;
}

.contact-details p {
  overflow-wrap: anywhere;
}

.contact-qr-grid {
  display: grid;
  grid-template-columns: repeat(2, 128px);
  gap: 14px;
}

.contact-qr-grid figure {
  margin: 0;
  padding: 9px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(29, 29, 31, 0.08);
  border-radius: 18px;
}

.contact-qr-grid img {
  display: block;
  width: 110px;
  height: 110px;
  object-fit: contain;
  background: #fff;
  border-radius: 10px;
}

.contact-qr-grid figcaption {
  margin-top: 7px;
  color: #515154;
  font-size: 13px;
  font-weight: 650;
  text-align: center;
}

.credential-layout-full {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.credential-layout-full .credential-card {
  min-width: 0;
  padding: 28px;
  border-radius: 28px;
}

.credential-layout-full .credential-card h3 {
  margin-bottom: 22px;
  font-size: clamp(24px, 2.5vw, 30px);
}

.credential-facts {
  display: grid;
  gap: 0;
  margin: 0;
}

.credential-facts div {
  display: grid;
  grid-template-columns: minmax(108px, 0.34fr) 1fr;
  gap: 18px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(29, 29, 31, 0.08);
}

.credential-facts div:last-child {
  border-bottom: 0;
}

.credential-facts dt {
  color: var(--muted);
  font-weight: 650;
}

.credential-facts dd {
  margin: 0;
  color: var(--ink);
  font-weight: 650;
  overflow-wrap: anywhere;
}

.credential-list {
  display: grid;
  gap: 0;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.credential-list li {
  display: grid;
  grid-template-columns: minmax(86px, 0.28fr) 1fr;
  gap: 16px;
  padding: 15px 0;
  border-bottom: 1px solid rgba(29, 29, 31, 0.08);
}

.credential-list li:last-child {
  border-bottom: 0;
}

.credential-list strong {
  color: var(--ink);
}

.credential-list span {
  color: var(--muted);
}

.credential-list-registrations li {
  grid-template-columns: minmax(0, 1fr) auto;
}

.credential-records {
  display: grid;
  gap: 16px;
}

.credential-records > div {
  padding: 20px;
  background: rgba(247, 248, 252, 0.76);
  border: 1px solid rgba(29, 29, 31, 0.07);
  border-radius: 20px;
}

.credential-records strong {
  display: block;
  margin-bottom: 10px;
  color: var(--ink);
  line-height: 1.5;
}

.credential-records p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
}

.motion-ready .reveal-item {
  opacity: 0;
  transform: translate3d(0, 18px, 0) scale(0.99);
  transition:
    opacity 520ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 520ms cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: calc(var(--reveal-order, 0) * 55ms);
}

.motion-ready .reveal-item.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
}

.fluffyask-page {
  background:
    radial-gradient(circle at 82% 12%, rgba(255, 177, 99, 0.14), transparent 28rem),
    radial-gradient(circle at 10% 58%, rgba(108, 177, 151, 0.08), transparent 32rem),
    linear-gradient(180deg, #fffaf2 0%, #f7faf7 58%, #fbfbfd 100%);
}

main [id] {
  scroll-margin-top: 108px;
}

.fluffyask-page .section {
  scroll-margin-top: 180px;
}

.fluffyask-page .product-subnav-name img {
  object-fit: cover;
}

.fluffyask-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.72fr);
  gap: clamp(42px, 7vw, 96px);
  align-items: center;
  min-height: min(720px, calc(100vh - 96px));
  padding: 84px clamp(20px, 7vw, 112px) 92px;
}

.fluffyask-hero-copy {
  max-width: 780px;
}

.status-line {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.fluffyask-hero h1 {
  margin: 14px 0 22px;
  font-size: clamp(40px, 4.8vw, 64px);
  line-height: 1.2;
  letter-spacing: 0;
}

.fluffyask-hero h1 span {
  display: block;
}

.fluffyask-hero .lead {
  max-width: 720px;
  color: var(--muted);
  font-size: clamp(18px, 1.8vw, 21px);
  line-height: 1.78;
}

.fluffyask-icon-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 0;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  overflow: visible;
}

.fluffyask-icon-stage img {
  position: relative;
  z-index: 1;
  width: min(360px, 82%);
  height: auto;
  border-radius: 30%;
  box-shadow: none;
}

.fluffyask-icon-stage > div:last-child {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
  margin-top: 24px;
}

.fluffyask-icon-stage strong {
  font-size: 26px;
}

.fluffyask-icon-stage span {
  color: var(--muted);
}

.fluffyask-position,
.fluffyask-experience,
.fluffyask-boundary {
  background: transparent;
}

.fluffyask-position .section-title,
.fluffyask-experience .section-title {
  max-width: 900px;
}

.fluffyask-principles,
.fluffyask-surfaces {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 42px;
}

.fluffyask-principles article,
.fluffyask-surfaces article {
  min-height: 270px;
  padding: 28px;
  border-radius: 28px;
}

.fluffyask-principles article > span {
  color: #168a89;
  font-size: 14px;
  font-weight: 760;
}

.fluffyask-principles h3,
.fluffyask-surfaces h3 {
  margin: 56px 0 12px;
  font-size: 27px;
}

.fluffyask-principles p,
.fluffyask-surfaces p,
.fluffyask-flow p,
.fluffyask-boundary p {
  color: var(--muted);
}

.fluffyask-flow {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 42px 0 0;
  padding: 0;
  list-style: none;
}

.fluffyask-flow li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 18px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 24px;
  box-shadow: 0 16px 42px rgba(15, 23, 42, 0.07);
  backdrop-filter: blur(18px) saturate(145%);
  -webkit-backdrop-filter: blur(18px) saturate(145%);
}

.fluffyask-flow li > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  color: #fff;
  background: #168a89;
  border-radius: 16px;
  font-weight: 760;
}

.fluffyask-flow strong {
  display: block;
  margin-bottom: 5px;
  font-size: 19px;
}

.fluffyask-flow p {
  margin: 0;
}

.fluffyask-surfaces .card-kicker {
  color: #168a89;
  font-size: 13px;
  font-weight: 760;
  letter-spacing: 0.08em;
}

.fluffyask-page .status-line {
  flex-wrap: wrap;
}

.fluffyask-page .section-title h2,
.fluffyask-page .fluffyask-boundary h2,
.fluffyask-start h2 {
  line-height: 1.35;
  letter-spacing: 0;
}

.fluffyask-surfaces h3 {
  margin-top: 24px;
  font-size: 24px;
  line-height: 1.4;
}

.fluffyask-icon-stage span {
  text-align: center;
}

.fluffyask-faq-list {
  max-width: 960px;
  margin-top: 32px;
}

.fluffyask-faq-list details {
  padding: 24px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.fluffyask-faq-list summary {
  padding: 8px 0;
  cursor: pointer;
  font-size: 20px;
  font-weight: 650;
  line-height: 1.5;
}

.fluffyask-faq-list summary:focus-visible {
  outline: 2px solid #0071e3;
  outline-offset: 6px;
}

.fluffyask-faq-list p,
.fluffyask-start p,
.fluffyask-qr figcaption {
  color: var(--muted);
  line-height: 1.8;
}

.fluffyask-faq-list p {
  max-width: 850px;
  margin: 12px 0 0;
}

.fluffyask-start {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 320px);
  gap: 64px;
  align-items: center;
}

.fluffyask-start h2 {
  margin: 12px 0 24px;
  font-size: clamp(30px, 4vw, 48px);
}

.fluffyask-start .button {
  margin-top: 16px;
}

.fluffyask-qr {
  margin: 0;
  text-align: center;
}

.fluffyask-qr img {
  display: block;
  width: min(100%, 280px);
  height: auto;
  margin: 0 auto 16px;
  background: #fff;
  border-radius: 20px;
}

.fluffyask-qr figcaption {
  font-size: 14px;
}

@media (max-width: 720px) {
  .fluffyask-start {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }
}

.fluffyask-boundary {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(440px, 1fr);
  gap: 64px;
  align-items: center;
}

.boundary-list {
  padding: 14px 28px;
  border-radius: 30px;
}

.boundary-list p {
  display: grid;
  grid-template-columns: minmax(140px, 0.42fr) 1fr;
  gap: 24px;
  margin: 0;
  padding: 22px 0;
  border-bottom: 1px solid rgba(29, 29, 31, 0.08);
}

.boundary-list p:last-child {
  border-bottom: 0;
}

.boundary-list strong {
  color: var(--ink);
}

.ai-detection-page {
  background:
    radial-gradient(circle at 84% 12%, rgba(204, 65, 223, 0.15), transparent 29rem),
    radial-gradient(circle at 10% 58%, rgba(85, 64, 239, 0.1), transparent 34rem),
    linear-gradient(180deg, #fdfcff 0%, #f5f5ff 56%, #fbfbfd 100%);
}

.ai-detection-page .section {
  scroll-margin-top: 180px;
}

.ai-detection-page .product-subnav-name img {
  object-fit: contain;
  border-radius: 0;
  mix-blend-mode: multiply;
}

.ai-detection-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(380px, 0.72fr);
  gap: clamp(42px, 7vw, 96px);
  align-items: center;
  min-height: min(720px, calc(100vh - 96px));
  padding: 84px clamp(20px, 7vw, 112px) 92px;
}

.ai-detection-hero-copy {
  max-width: 790px;
}

.ai-detection-hero h1 {
  margin: 14px 0 22px;
  font-size: clamp(50px, 6.4vw, 80px);
  line-height: 0.99;
  letter-spacing: -0.055em;
}

.ai-detection-hero h1 span {
  display: block;
}

.ai-detection-hero .lead {
  max-width: 730px;
  color: var(--muted);
  font-size: clamp(18px, 1.8vw, 21px);
  line-height: 1.78;
}

.ai-detection-stage {
  display: grid;
  grid-template-columns: 1fr 136px;
  grid-template-rows: 1fr auto;
  gap: 24px;
  align-items: end;
  min-height: 0;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  overflow: visible;
}

.ai-detection-stage-icon {
  position: relative;
  z-index: 1;
  grid-column: 1 / -1;
  align-self: center;
  justify-self: center;
  width: min(360px, 82%);
  border-radius: 0;
  box-shadow: none;
}

.ai-detection-stage-name {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 5px;
  align-self: center;
}

.ai-detection-stage-name strong {
  font-size: 24px;
}

.ai-detection-stage-name span {
  color: var(--muted);
  font-size: 14px;
}

.ai-detection-stage-code {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: 8px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(29, 29, 31, 0.08);
  border-radius: 18px;
  box-shadow: 0 14px 36px rgba(15, 23, 42, 0.1);
}

.ai-detection-stage-code img {
  display: block;
  width: 118px;
  height: 118px;
  object-fit: contain;
  border-radius: 10px;
}

.ai-detection-stage-code figcaption {
  margin-top: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
  text-align: center;
}

.ai-detection-position,
.ai-detection-process,
.ai-detection-boundary {
  background: transparent;
}

.ai-detection-position .section-title,
.ai-detection-process .section-title {
  max-width: 920px;
}

.ai-detection-principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 42px;
}

.ai-detection-principles article {
  min-height: 270px;
  padding: 28px;
  border-radius: 28px;
}

.ai-detection-principles article > span {
  color: #7952d9;
  font-size: 14px;
  font-weight: 760;
}

.ai-detection-principles h3 {
  margin: 56px 0 12px;
  font-size: 27px;
}

.ai-detection-principles p,
.ai-detection-flow p,
.ai-detection-boundary p {
  color: var(--muted);
}

.ai-detection-flow {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 42px 0 0;
  padding: 0;
  list-style: none;
}

.ai-detection-flow li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 18px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 24px;
  box-shadow: 0 16px 42px rgba(15, 23, 42, 0.07);
  backdrop-filter: blur(18px) saturate(145%);
  -webkit-backdrop-filter: blur(18px) saturate(145%);
}

.ai-detection-flow li > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  color: #fff;
  background: linear-gradient(135deg, #5742e7, #c841df);
  border-radius: 16px;
  font-weight: 760;
}

.ai-detection-flow strong {
  display: block;
  margin-bottom: 5px;
  font-size: 19px;
}

.ai-detection-flow p {
  margin: 0;
}

.ai-detection-boundary {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(440px, 1fr);
  gap: 64px;
  align-items: center;
}

@media (max-width: 960px) {
  .fluffyask-hero,
  .fluffyask-boundary,
  .ai-detection-hero,
  .ai-detection-boundary {
    grid-template-columns: 1fr;
  }

  .fluffyask-icon-stage {
    min-height: 440px;
  }

  .fluffyask-boundary {
    gap: 36px;
  }

  .ai-detection-boundary {
    gap: 36px;
  }
}

@media (max-width: 720px) {
  main [id] {
    scroll-margin-top: 140px;
  }

  .site-header {
    top: 8px;
    width: calc(100% - 20px);
    margin-top: 8px;
    padding: 9px 12px 10px;
    border-radius: 18px;
  }

  .site-header .nav {
    justify-content: space-between;
    gap: 2px;
    padding-top: 3px;
    overflow: visible;
  }

  .site-header .nav a {
    flex: 1 1 auto;
    justify-content: center;
    padding: 0 8px;
    font-size: 14px;
  }

  .product-subnav {
    position: relative;
    top: auto;
    width: calc(100% - 20px);
    margin-top: 8px;
    border-radius: 16px;
  }

  .product-matrix,
  .fluffyask-principles,
  .fluffyask-flow,
  .fluffyask-surfaces,
  .ai-detection-principles,
  .ai-detection-flow {
    grid-template-columns: 1fr;
  }

  .product-card-grid .product-card {
    min-height: 0;
    padding: 24px;
    border-radius: 24px;
  }

  .product-card-intro {
    grid-template-columns: minmax(0, 1fr) 116px;
    gap: 16px;
  }

  .product-mini-program-code img {
    width: 98px;
    height: 98px;
  }

  .product-card-icon {
    width: 72px;
    height: 72px;
    border-radius: 20px;
  }

  .product-card-head h3 {
    max-width: calc(100% - 92px);
  }

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

  .product-mini-program-code {
    display: grid;
    grid-template-columns: 96px 1fr;
    gap: 12px;
    align-items: center;
    justify-self: stretch;
  }

  .product-mini-program-code img {
    width: 96px;
    height: 96px;
  }

  .product-mini-program-code figcaption {
    margin: 0;
    text-align: left;
  }

  .product-card-action {
    width: 100%;
  }

  .contact-card-with-qr {
    grid-template-columns: 1fr;
    min-width: 0;
    padding: 22px;
  }

  .credential-layout-full {
    grid-template-columns: 1fr;
  }

  .credential-layout-full .credential-card {
    padding: 24px;
  }

  .credential-facts div,
  .credential-list li,
  .credential-list-registrations li {
    grid-template-columns: 1fr;
    gap: 5px;
  }

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

  .contact-qr-grid figure {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .contact-qr-grid img {
    width: min(112px, 100%);
    height: auto;
    aspect-ratio: 1;
  }

  .fluffyask-hero {
    min-height: 0;
    padding: 58px 20px 72px;
  }

  .fluffyask-hero h1 {
    font-size: clamp(30px, 8.8vw, 44px);
  }

  .fluffyask-icon-stage {
    min-height: 0;
    padding: 0;
    border-radius: 0;
  }

  .fluffyask-principles article,
  .fluffyask-surfaces article {
    min-height: 0;
    padding: 24px;
  }

  .fluffyask-principles h3,
  .fluffyask-surfaces h3 {
    margin-top: 28px;
  }

  .boundary-list {
    padding: 8px 22px;
  }

  .boundary-list p {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .ai-detection-hero {
    min-height: 0;
    padding: 58px 20px 72px;
  }

  .ai-detection-hero h1 {
    font-size: clamp(42px, 13vw, 54px);
  }

  .ai-detection-stage {
    grid-template-columns: 1fr;
    min-height: 0;
    padding: 0;
    border-radius: 0;
  }

  .ai-detection-stage-icon {
    width: min(290px, 82%);
  }

  .ai-detection-stage-name {
    align-items: center;
    text-align: center;
  }

  .ai-detection-stage-code {
    display: grid;
    grid-template-columns: 108px 1fr;
    gap: 12px;
    align-items: center;
    justify-self: stretch;
  }

  .ai-detection-stage-code img {
    width: 108px;
    height: 108px;
  }

  .ai-detection-stage-code figcaption {
    margin: 0;
    text-align: left;
  }

  .ai-detection-principles article {
    min-height: 0;
    padding: 24px;
  }

  .ai-detection-principles h3 {
    margin-top: 28px;
  }

}

@media (max-width: 880px) {
  .home-work .mini-program-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@container mini-program-card (max-width: 440px) {
  .product-card-action {
    min-width: 0;
    max-width: 100%;
    white-space: normal;
    text-align: center;
  }
}

@container mini-program-card (max-width: 260px) {
  .product-card-head {
    flex-direction: column-reverse;
    align-items: flex-start;
    gap: 16px;
  }

  .product-card-head h3 {
    max-width: 100%;
  }
}

@media (prefers-contrast: more) {
  .site-header,
  .product-subnav,
  .glass-card,
  .product-card-grid .product-card,
  .button.secondary {
    background: #fff;
    border-color: rgba(29, 29, 31, 0.28);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

@media (forced-colors: active) {
  .site-header,
  .product-subnav,
  .glass-card,
  .product-card-grid .product-card,
  .button {
    background: Canvas;
    border: 1px solid CanvasText;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

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

  body::before,
  body::after {
    animation: none;
  }

  .motion-ready .reveal-item,
  .reveal-item,
  .glass-card,
  .work-card,
  .product-detail-card,
  .button,
  .nav a,
  .product-status-index a {
    opacity: 1;
    transform: none;
    transition: none;
  }
}


/* Shared header: independent brand and navigation surfaces. */
.site-header.site-header {
  position: sticky;
  top: 12px;
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  width: calc(100% - 32px);
  max-width: none;
  min-height: 64px;
  margin: 12px auto 0;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  pointer-events: none;
}

.site-header > .brand,
.site-header > .header-actions {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  min-height: 64px;
  background: rgba(251, 251, 253, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.84);
  border-radius: 22px;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  pointer-events: auto;
}

.site-header > .brand {
  margin: 0;
  padding: 10px 18px;
}

.site-header > .brand img {
  width: auto;
  height: 38px;
  max-width: none;
}

.site-header > .header-actions {
  margin-left: auto;
  padding: 8px;
  gap: 4px;
}

.site-header .header-actions .nav {
  display: flex;
  flex: 0 0 auto;
  order: initial;
  width: auto;
  margin: 0;
  padding: 0;
  gap: 4px;
  overflow: visible;
}

.site-header .header-actions .nav a,
.site-header .header-actions .language-switch {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  margin: 0;
  padding: 0 14px;
  white-space: nowrap;
  font-size: 15px;
  line-height: 1.4;
}

.site-header .header-actions .language-switch {
  border: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.site-header .header-actions .language-switch:hover {
  background: rgba(255, 255, 255, 0.7);
}

body main [id],
.fluffyask-page .section,
.ai-detection-page .section,
.trace-page main [id],
.shihe-page main [id] {
  scroll-margin-top: 100px;
}

@media (max-width: 720px) {
  .site-header.site-header {
    top: 8px;
    width: calc(100% - 16px);
    min-height: 54px;
    margin-top: 8px;
    gap: 8px;
  }

  .site-header > .brand,
  .site-header > .header-actions {
    min-height: 54px;
    border-radius: 18px;
  }

  .site-header > .brand {
    padding: 8px 12px;
  }

  .site-header > .brand img {
    height: 28px;
  }

  .site-header > .header-actions {
    padding: 4px;
    gap: 0;
  }

  .site-header .header-actions .nav {
    gap: 0;
  }

  .site-header .header-actions .nav a,
  .site-header .header-actions .language-switch {
    padding: 0 8px;
    font-size: 13px;
  }

  body main [id],
  .fluffyask-page .section,
  .ai-detection-page .section,
  .trace-page main [id],
  .shihe-page main [id] {
    scroll-margin-top: 80px;
  }
}

@media (prefers-contrast: more) {
  .site-header > .brand,
  .site-header > .header-actions {
    background: #fff;
    border-color: rgba(29, 29, 31, 0.28);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

@media (forced-colors: active) {
  .site-header > .brand,
  .site-header > .header-actions {
    background: Canvas;
    border: 1px solid CanvasText;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}


.resource-card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.resource-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  min-height: 200px;
  padding: 20px;
  border-radius: 20px;
}

.resource-card h3 {
  margin: 0;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.5;
  letter-spacing: 0;
}

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

.resource-card-link {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 8px;
  min-height: 44px;
  margin-top: auto;
  color: var(--brand);
  font-size: 14px;
  font-weight: 650;
}

.resource-card-link:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

@media (max-width: 960px) {
  .resource-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .resource-card-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .resource-card {
    min-height: 0;
  }
}