:root {
  --page: #f4f7fb;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --ink: #17191c;
  --body: #40464f;
  --muted: #68717d;
  --line: #dce3ea;
  --line-strong: #bdc8d5;
  --accent: #0066cc;
  --accent-strong: #004f9e;
  --accent-soft: #eaf3ff;
  --blue: #0066cc;
  --blue-soft: #eaf3ff;
  --success: #18805f;
  --success-soft: #eaf7f2;
  --amber: #9a5c00;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro SC", "PingFang SC",
    "Helvetica Neue", Arial, sans-serif;
  --max: 1160px;
  --radius: 8px;
}

* {
  box-sizing: border-box;
  letter-spacing: 0 !important;
}

html {
  background: var(--page);
}

body {
  overflow-x: clip;
  background: var(--page);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button,
input,
textarea {
  font: inherit;
}

.site-shell {
  width: min(var(--max), calc(100vw - 48px));
}

#top,
#training,
#agents,
#miniapp,
#essays,
#about,
#contact {
  scroll-margin-top: 64px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  border-radius: 6px;
  background: var(--ink);
  color: var(--surface);
  transform: translateY(-150%);
}

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

.topbar {
  min-height: 56px;
  border-bottom: 1px solid rgba(220, 227, 234, 0.8);
  background: rgba(255, 255, 255, 0.88);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
}

.nav {
  position: relative;
  min-height: 56px;
  gap: 28px;
}

.brand {
  gap: 9px;
  min-width: auto;
}

.brand-mark {
  width: 28px;
  height: 28px;
  flex-basis: 28px;
  border-radius: 6px;
}

.brand .brand-copy {
  gap: 1px;
}

.brand strong {
  font-size: 15px;
  font-weight: 680;
  line-height: 1.1;
}

.brand .brand-copy > span {
  color: var(--muted);
  font-family: var(--sans);
  font-size: 9px;
  line-height: 1.2;
  text-transform: none;
}

.nav-links {
  gap: 22px;
  color: var(--ink);
  font-size: 12px;
}

.nav-links a {
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 0;
  border-radius: 0;
  transition: color 180ms ease-out;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  background: transparent;
  color: var(--blue);
  outline: none;
}

.nav-toggle {
  display: none;
}

.hero {
  min-height: auto;
  padding: 0;
  border: 0;
  background: var(--surface);
}

.hero-content {
  min-height: auto;
  display: block;
  padding: 72px 0 56px;
}

.hero-overline,
.section-eyebrow {
  color: var(--blue);
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 680;
  line-height: 1.35;
  text-transform: none;
}

.hero h1 {
  max-width: 860px;
  margin: 18px 0 0;
  color: var(--ink);
  font-family: var(--sans);
  font-size: clamp(40px, 5vw, 56px);
  font-weight: 720;
  line-height: 1.08;
  text-wrap: balance;
}

.hero .lede {
  max-width: 790px;
  margin: 20px 0 0;
  color: var(--body);
  font-size: 18px;
  line-height: 1.7;
  text-wrap: pretty;
}

.hero-belief {
  max-width: 820px;
  margin: 14px 0 0;
  color: var(--blue);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.55;
  text-wrap: pretty;
}

.service-scope {
  margin: 28px 0 0;
  color: var(--ink);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.5;
}

.service-scope span {
  margin: 0 8px;
  color: var(--line-strong);
}

.hero-actions {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 22px;
}

.button {
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 650;
  transition: background 180ms ease-out, border-color 180ms ease-out,
    color 180ms ease-out, transform 120ms ease-out;
}

.button.primary {
  border-color: var(--blue);
  background: var(--blue);
  color: var(--surface);
}

.button.primary:hover,
.button.primary:focus-visible {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
  outline: none;
}

.appointment-prompt {
  min-height: 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
}

.appointment-prompt strong {
  color: var(--ink);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.4;
}

.appointment-prompt small {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.4;
}

.wechat-copy-button.is-copied,
.contact-copy-button.is-copied {
  border-color: var(--success);
  background: var(--success);
  color: var(--surface);
}

.button:active,
.agent-enter:active,
.service-item a:active {
  transform: scale(0.98);
}

.hero-author {
  max-width: 790px;
  margin: 34px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.hero-author strong {
  color: var(--ink);
  font-weight: 650;
}

.section {
  padding: 68px 0;
  border: 0;
}

#agents,
#essays {
  background: var(--page);
}

#about {
  background: var(--surface);
}

.content-section-head,
.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 40px;
  align-items: end;
  margin-bottom: 24px;
}

.content-section-head h2,
.section-head h2,
.about-heading h2,
.contact-layout h2 {
  max-width: 680px;
  margin: 9px 0 0;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 38px;
  font-weight: 710;
  line-height: 1.12;
  text-wrap: balance;
}

.content-section-head p,
.section-copy {
  color: var(--body);
  font-size: 16px;
  line-height: 1.7;
}

.agent-catalog-toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 320px) minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  margin-bottom: 20px;
}

.agent-catalog-toolbar[hidden] {
  display: none;
}

.agent-search input {
  width: 100%;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font-size: 13px;
  outline: none;
  transition: border-color 180ms ease-out, box-shadow 180ms ease-out;
}

.agent-search input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.12);
}

.article-filters,
.agent-filters {
  gap: 8px;
}

.filter-button,
.agent-filter {
  min-height: 44px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
}

.filter-button:hover,
.filter-button:focus-visible,
.filter-button.is-active,
.agent-filter:hover,
.agent-filter:focus-visible,
.agent-filter.is-active {
  border-color: var(--blue);
  background: var(--blue);
  color: var(--surface);
  outline: none;
}

.agent-result-count {
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.agent-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.agent-card {
  min-width: 0;
  min-height: 260px;
  display: flex;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 180ms ease-out, box-shadow 180ms ease-out;
}

.agent-card:hover {
  border-color: var(--line-strong);
  box-shadow: 0 16px 42px rgba(33, 48, 68, 0.07);
  transform: none;
}

.agent-card-main {
  min-width: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
}

.agent-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.agent-category,
.agent-status {
  font-family: var(--sans);
  font-size: 12px;
}

.agent-category {
  color: var(--blue);
  font-weight: 680;
  text-transform: none;
}

.agent-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 9px;
  border: 1px solid #b7dece;
  border-radius: 14px;
  background: var(--success-soft);
  color: var(--success);
}

.agent-status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.agent-card.is-upcoming .agent-status {
  border-color: var(--line);
  background: var(--surface-soft);
  color: var(--muted);
}

.agent-card-copy {
  margin-top: 24px;
}

.agent-card h3 {
  font-family: var(--sans);
  font-size: 20px;
  font-weight: 690;
  line-height: 1.22;
}

.agent-card p {
  margin-top: 12px;
  color: var(--body);
  font-size: 13px;
  line-height: 1.65;
}

.agent-card p.agent-problem {
  margin-top: 14px;
}

.agent-card p.agent-result {
  color: var(--ink);
  margin-top: 8px;
}

.agent-card p span {
  display: inline-block;
  margin-right: 6px;
  color: var(--blue);
  font-size: 11px;
  font-weight: 680;
}

.agent-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.agent-card-foot > span {
  color: var(--muted);
  font-size: 11px;
}

.agent-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.agent-details {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--body);
  font-size: 13px;
  font-weight: 650;
}

.agent-enter,
.service-item > a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--blue);
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
}

.agent-enter:hover,
.agent-enter:focus-visible,
.agent-details:hover,
.agent-details:focus-visible,
.service-item > a:hover,
.service-item > a:focus-visible {
  color: var(--accent-strong);
  outline: none;
}

.training-section {
  padding: 56px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface-soft);
}

.training-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
  gap: 64px;
  align-items: start;
}

.training-intro h2 {
  max-width: 560px;
  margin: 10px 0 0;
  color: var(--ink);
  font-size: 36px;
  font-weight: 710;
  line-height: 1.18;
  text-wrap: balance;
}

.training-intro > p {
  max-width: 600px;
  margin: 16px 0 0;
  color: var(--body);
  font-size: 16px;
  line-height: 1.72;
  text-wrap: pretty;
}

.training-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 18px;
  align-items: center;
  margin-top: 22px;
}

.training-actions > span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.training-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
}

.training-point {
  min-width: 0;
  padding: 18px 22px 20px 0;
  border-bottom: 1px solid var(--line);
}

.training-point:nth-child(even) {
  padding-right: 0;
  padding-left: 22px;
  border-left: 1px solid var(--line);
}

.training-point strong {
  display: block;
  color: var(--ink);
  font-size: 14px;
  font-weight: 690;
  line-height: 1.45;
}

.training-point p {
  margin: 8px 0 0;
  color: var(--body);
  font-size: 14px;
  line-height: 1.68;
  text-wrap: pretty;
}

.miniapp-section {
  overflow: hidden;
  padding: 64px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--blue-soft);
}

.miniapp-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 48px;
  align-items: center;
}

.miniapp-heading {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.miniapp-status {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 0 10px;
  border: 1px solid #b7dece;
  border-radius: 14px;
  background: var(--success-soft);
  color: var(--success);
  font-size: 11px;
}

.miniapp-copy h2 {
  margin: 14px 0 0;
  font-family: var(--sans);
  font-size: 36px;
  font-weight: 710;
  line-height: 1.12;
}

.miniapp-lede {
  max-width: 620px;
  margin: 12px 0 0;
  color: var(--body);
  font-size: 17px;
  line-height: 1.65;
}

.miniapp-capabilities {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.miniapp-capabilities li {
  position: relative;
  padding-left: 20px;
  color: var(--body);
  font-size: 14px;
  line-height: 1.6;
}

.miniapp-capabilities li::before {
  content: "";
  position: absolute;
  top: 0.68em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue);
}

.miniapp-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.miniapp-disabled {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.58);
  color: var(--muted);
  cursor: not-allowed;
}

.miniapp-visuals {
  display: grid;
  place-items: center;
}

.miniapp-phone-slot,
.miniapp-qr-slot {
  width: 100%;
  margin: 0;
}

.miniapp-qr-slot {
  padding: 14px;
  border: 1px solid rgba(189, 200, 213, 0.78);
  border-radius: var(--radius);
  background: var(--surface);
}

.miniapp-screen-placeholder {
  width: min(100%, 220px);
  aspect-ratio: 9 / 16;
  margin: 0 auto;
  border: 1px dashed #9aaabc;
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.35)),
    repeating-linear-gradient(180deg, transparent 0 50px, rgba(0, 102, 204, 0.08) 50px 51px);
}

.miniapp-qr-placeholder {
  width: 140px;
  aspect-ratio: 1;
  border: 1px dashed #9aaabc;
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.82) 49%, transparent 49% 51%, rgba(255, 255, 255, 0.82) 51%),
    linear-gradient(rgba(255, 255, 255, 0.82) 49%, transparent 49% 51%, rgba(255, 255, 255, 0.82) 51%);
  background-size: 18px 18px;
}

.miniapp-qr-image {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 1;
  border-radius: 6px;
  background: #fff;
  object-fit: contain;
}

.miniapp-visuals figcaption {
  display: grid;
  gap: 3px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 11px;
  text-align: center;
}

.miniapp-visuals figcaption strong {
  color: var(--ink);
  font-size: 12px;
  font-weight: 650;
}

.miniapp-workflow {
  margin-top: 38px;
  padding-top: 26px;
  border-top: 1px solid rgba(189, 200, 213, 0.82);
}

.miniapp-workflow-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 18px;
}

.miniapp-workflow-head h3 {
  margin: 6px 0 0;
  font-size: 20px;
  font-weight: 690;
}

.miniapp-workflow-head p {
  max-width: 520px;
  margin: 0;
  color: var(--body);
  font-size: 13px;
  line-height: 1.6;
}

.agent-upcoming-toggle {
  display: none;
}

.agent-upcoming-toggle[hidden] {
  display: none;
}

.agent-coming-soon {
  color: var(--muted) !important;
  font-weight: 650;
}

.agent-catalog-note {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr);
  gap: 18px;
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.agent-catalog-note span {
  color: var(--blue);
  font-size: 11px;
  font-weight: 680;
}

.agent-catalog-note p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.agent-empty {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  text-align: center;
}

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

.service-item {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.service-index {
  align-self: start;
  padding-top: 4px;
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.service-mode {
  color: var(--blue);
  font-size: 11px;
  font-weight: 680;
}

.service-copy h3 {
  margin-top: 8px;
  color: var(--ink);
  font-size: 22px;
  font-weight: 690;
  line-height: 1.25;
}

.service-copy p {
  max-width: 760px;
  margin-top: 10px;
  color: var(--body);
  font-size: 15px;
  line-height: 1.7;
}

.focus-strip {
  display: grid;
  grid-template-columns: 100px repeat(3, 1fr);
  gap: 18px;
  align-items: center;
  margin-top: 24px;
  padding: 18px 22px;
  border-radius: var(--radius);
  background: #0b5ba8;
  color: var(--surface);
}

.focus-strip span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 11px;
}

.focus-strip strong {
  font-size: 15px;
  font-weight: 650;
}

.article-board {
  max-width: none;
}

.article-filters {
  margin-bottom: 26px;
}

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

.essay-row {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.article-index {
  padding-top: 5px;
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.essay-row h3 {
  max-width: 880px;
  margin: 8px 0 10px;
  font-family: var(--sans);
  font-size: 24px;
  font-weight: 670;
  line-height: 1.3;
}

.essay-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--muted);
  font-size: 11px;
}

.article-title-link:hover,
.article-title-link:focus-visible {
  color: var(--blue);
  text-decoration: none;
  outline: none;
}

.essay-row p {
  max-width: 840px;
  color: var(--body);
  font-size: 15px;
  line-height: 1.7;
}

.article-pagination,
.agent-pagination {
  display: flex;
  gap: 8px;
  margin-top: 28px;
}

.page-button {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--body);
  font-size: 13px;
}

.page-button:hover,
.page-button:focus-visible,
.page-button.is-active {
  border-color: var(--blue);
  background: var(--blue);
  color: var(--surface);
  outline: none;
}

.about-editorial {
  display: grid;
  grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1.3fr);
  gap: 56px;
  align-items: start;
}

.about-services {
  margin-top: 46px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.about-services-intro {
  display: grid;
  grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1.3fr);
  gap: 56px;
  align-items: end;
  margin-bottom: 26px;
}

.about-services-intro h3 {
  max-width: 560px;
  margin: 9px 0 0;
  color: var(--ink);
  font-size: 32px;
  font-weight: 690;
  line-height: 1.2;
  text-wrap: balance;
}

.about-services-intro > p {
  max-width: 720px;
  margin: 0;
  color: var(--body);
  font-size: 16px;
  line-height: 1.7;
}

.about-summary > p {
  max-width: 720px;
  margin: 0;
  color: var(--body);
  font-size: 18px;
  line-height: 1.68;
  text-wrap: pretty;
}

.about-facts {
  display: grid;
  margin-top: 24px;
  border-top: 1px solid var(--line);
}

.about-facts > div {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 18px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  color: var(--body);
  font-size: 14px;
  line-height: 1.55;
}

.about-facts strong {
  color: var(--ink);
  font-weight: 650;
}

.faq {
  display: grid;
  grid-template-columns: minmax(230px, 0.7fr) minmax(0, 1.3fr);
  gap: 56px;
  margin-top: 52px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.faq-heading h3 {
  margin: 9px 0 0;
  font-size: 30px;
  font-weight: 690;
}

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

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

.faq-list summary {
  position: relative;
  padding: 20px 36px 20px 0;
  color: var(--ink);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.5;
  cursor: pointer;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  position: absolute;
  top: 18px;
  right: 0;
  color: var(--blue);
  font-size: 20px;
  font-weight: 400;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  max-width: 720px;
  margin: 0;
  padding: 0 36px 20px 0;
  color: var(--body);
  font-size: 14px;
  line-height: 1.7;
}

.contact-section {
  padding: 56px 0;
  background: #0b5ba8;
  color: var(--surface);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 64px;
  align-items: center;
}

.contact-layout .section-eyebrow {
  color: rgba(255, 255, 255, 0.72);
}

.contact-layout h2 {
  color: var(--surface);
}

.contact-layout p {
  max-width: 720px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
  line-height: 1.7;
}

.contact-copy-button,
.contact-copy-button:hover,
.contact-copy-button:focus-visible {
  border-color: var(--surface);
  background: var(--surface);
  color: #0b5ba8;
}

.footer {
  padding: 52px 0 24px;
  background: #eef2f7;
}

.footer-grid {
  grid-template-columns: minmax(220px, 0.85fr) minmax(140px, 0.4fr)
    minmax(340px, 1fr);
  gap: 48px;
}

.footer-logo-mark {
  background: var(--blue);
  color: var(--surface);
}

.footer-links a:hover,
.footer-links a:focus-visible,
.footer-copy:hover,
.footer-copy:focus-visible {
  color: var(--blue);
  outline: none;
}

.personal-qr-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 6px;
  background: #ffffff;
}

.social-qr-grid {
  grid-template-columns: repeat(2, minmax(0, 150px));
}

.official-qr-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 6px;
  background: #ffffff;
}

.social-qr-card .personal-qr-frame .personal-qr-image {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 118%;
  height: auto;
  max-height: none;
  transform: translate(-50%, -50%);
  object-fit: contain;
}

.social-qr-card .official-qr-frame .official-qr-image {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 126%;
  height: auto;
  max-height: none;
  transform: translate(-50%, -50%);
  object-fit: contain;
}

.footer-miniapp-placeholder {
  width: 100%;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 6px;
  border: 1px dashed var(--line-strong);
  border-radius: 6px;
  background: var(--surface-soft);
  color: var(--muted);
  text-align: center;
}

.footer-miniapp-placeholder span {
  color: var(--body);
  font-size: 12px;
  font-weight: 650;
}

.footer-miniapp-placeholder small {
  font-size: 10px;
}

.miniapp-pending-label {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 900px) {
  .site-shell {
    width: min(var(--max), calc(100vw - 36px));
  }

  .hero-content {
    padding: 56px 0 48px;
  }

  .hero h1 {
    max-width: 760px;
    font-size: 44px;
  }

  .content-section-head,
  .section-head,
  .training-layout,
  .about-editorial,
  .about-services-intro,
  .faq {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .training-layout {
    gap: 32px;
  }

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

  .agent-card {
    min-height: 300px;
  }

  .miniapp-layout {
    grid-template-columns: minmax(0, 1fr) 200px;
    gap: 32px;
  }

  .miniapp-visuals {
    min-height: 0;
    grid-template-columns: 1fr;
    justify-content: stretch;
  }

  .service-item {
    grid-template-columns: 42px minmax(0, 1fr);
  }

  .service-item > a {
    grid-column: 2;
    justify-self: start;
  }

  .faq {
    margin-top: 64px;
    gap: 28px;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .contact-copy-button {
    justify-self: start;
  }

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

  .social-qr-section {
    grid-column: 1 / -1;
  }
}

@media (max-width: 680px) {
  .site-shell {
    width: min(100% - 32px, var(--max));
  }

  .topbar,
  .nav {
    min-height: 54px;
  }

  .nav-toggle {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    margin-left: auto;
    border: 0;
    background: transparent;
    color: var(--ink);
    font-size: 21px;
  }

  .nav-links {
    position: absolute;
    top: 54px;
    left: -16px;
    right: -16px;
    display: none;
    padding: 10px 16px 16px;
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 14px 32px rgba(33, 48, 68, 0.08);
  }

  .nav-links.is-open {
    display: grid;
  }

  .nav-links a {
    min-height: 44px;
    border-bottom: 1px solid var(--line);
    font-size: 14px;
  }

  .nav-links a:last-child {
    border-bottom: 0;
  }

  .hero-content {
    padding: 36px 0 32px;
  }

  .hero-overline {
    font-size: 11px;
  }

  .hero h1 {
    margin-top: 12px;
    font-size: 34px;
    line-height: 1.12;
  }

  .hero .lede {
    margin-top: 16px;
    font-size: 15.5px;
    line-height: 1.72;
  }

  .hero-belief {
    margin-top: 12px;
    font-size: 14px;
    line-height: 1.62;
  }

  .service-scope {
    margin-top: 24px;
    font-size: 14px;
  }

  .service-scope span {
    display: block;
    height: 4px;
    margin: 0;
    color: transparent;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 16px;
  }

  .appointment-prompt,
  .hero-actions .button {
    width: 100%;
  }

  .hero-actions .button {
    justify-content: center;
    text-align: center;
  }

  .appointment-prompt {
    min-height: auto;
  }

  .hero-author {
    margin-top: 28px;
    padding-top: 20px;
    font-size: 13px;
  }

  .section {
    padding: 44px 0;
  }

  .training-section {
    padding: 40px 0;
  }

  .training-intro h2 {
    font-size: 30px;
    line-height: 1.18;
  }

  .training-intro > p {
    font-size: 15px;
  }

  .training-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .training-actions .button {
    width: 100%;
  }

  .training-points {
    grid-template-columns: 1fr;
  }

  .training-point,
  .training-point:nth-child(even) {
    padding: 16px 0 18px;
    border-left: 0;
  }

  .content-section-head,
  .section-head {
    margin-bottom: 20px;
  }

  .content-section-head h2,
  .section-head h2,
  .about-heading h2,
  .contact-layout h2 {
    font-size: 30px;
    line-height: 1.16;
  }

  .content-section-head p,
  .section-copy {
    font-size: 15px;
  }

  #agents.section {
    padding-top: 44px;
    padding-bottom: 44px;
  }

  #agents .section-head {
    margin-bottom: 22px;
  }

  .agent-catalog-toolbar {
    grid-template-columns: 1fr;
    gap: 12px;
    min-width: 0;
  }

  .agent-search,
  .agent-search input {
    width: 100%;
    min-width: 0;
    max-width: 100%;
  }

  .agent-search input {
    min-height: 44px;
    font-size: 16px;
  }

  .agent-filters {
    width: 100%;
    max-width: 100%;
    margin-right: 0;
    flex-wrap: wrap;
    overflow-x: visible;
    padding: 4px 0;
  }

  .filter-button,
  .agent-filter {
    min-height: 44px;
    border-radius: 22px;
  }

  .agent-filter {
    flex: 0 0 auto;
  }

  .agent-result-count {
    justify-self: start;
  }

  .agent-grid {
    grid-template-columns: 1fr;
    gap: 0;
    border-top: 1px solid var(--line);
  }

  .agent-grid.hide-upcoming .agent-card.is-upcoming {
    display: none;
  }

  .agent-card {
    min-height: auto;
    padding: 18px 0;
    border: 0;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    background: transparent;
  }

  .agent-card:hover {
    border-color: var(--line);
    box-shadow: none;
  }

  .agent-card-copy {
    margin-top: 12px;
  }

  .agent-card h3 {
    font-size: 21px;
  }

  .agent-card p {
    margin-top: 7px;
    font-size: 13px;
    line-height: 1.55;
  }

  .agent-tags {
    gap: 6px;
    margin-top: 15px;
  }

  .agent-tags span {
    padding: 5px 7px;
    font-size: 10px;
  }

  .agent-tags span:nth-child(n + 3) {
    display: none;
  }

  .agent-card-foot {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    margin-top: 12px;
    padding-top: 12px;
  }

  .agent-card-foot > span {
    display: none;
  }

  .agent-card.is-upcoming .agent-card-foot {
    display: flex;
  }

  .agent-enter {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    background: var(--blue);
    color: var(--surface);
  }

  .agent-actions {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 8px;
  }

  .agent-details {
    min-height: 44px;
    justify-content: center;
    border: 1px solid var(--line);
    border-radius: var(--radius);
  }

  .agent-enter:hover,
  .agent-enter:focus-visible {
    background: var(--accent-strong);
    color: var(--surface);
  }

  .agent-upcoming-toggle:not([hidden]) {
    width: 100%;
    min-height: 46px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 12px;
    padding: 0 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--body);
    font-size: 13px;
    font-weight: 650;
    text-align: left;
  }

  .agent-catalog-note {
    grid-template-columns: 1fr;
    gap: 8px;
    margin-top: 20px;
  }

  .miniapp-section {
    padding: 40px 0;
  }

  .miniapp-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .miniapp-copy h2 {
    font-size: 30px;
  }

  .miniapp-lede {
    margin-top: 10px;
    font-size: 16px;
  }

  .miniapp-capabilities {
    gap: 7px;
    margin-top: 16px;
  }

  .miniapp-actions {
    margin-top: 18px;
  }

  .miniapp-visuals {
    min-height: 0;
    display: block;
  }

  .miniapp-screen-placeholder {
    width: min(100%, 180px);
    border-radius: 22px;
  }

  .miniapp-qr-placeholder {
    width: min(100%, 120px);
  }

  .miniapp-qr-image {
    width: 112px;
    height: auto;
  }

  .miniapp-qr-slot {
    width: 100%;
    display: grid;
    grid-template-columns: 112px minmax(0, 1fr);
    gap: 16px;
    align-items: center;
    padding: 12px;
  }

  .miniapp-visuals figcaption {
    margin-top: 0;
    text-align: left;
  }

  .miniapp-workflow {
    margin-top: 28px;
    padding-top: 22px;
  }

  .miniapp-workflow-head {
    display: grid;
    gap: 8px;
    margin-bottom: 14px;
  }

  .miniapp-workflow-head h3 {
    font-size: 18px;
  }

  .miniapp-workflow-head p {
    font-size: 12px;
  }

  .service-item {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 16px;
    padding: 18px 0;
  }

  .service-copy h3 {
    font-size: 23px;
  }

  .service-copy p {
    font-size: 14px;
  }

  .service-item > a {
    min-height: 44px;
    align-items: center;
  }

  .focus-strip {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .focus-strip strong {
    padding-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
  }

  .article-filters {
    width: 100%;
    max-width: 100%;
    margin-right: 0;
    flex-wrap: wrap;
    overflow-x: visible;
    padding: 4px 0;
  }

  .filter-button {
    flex: 0 0 auto;
  }

  .essay-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 20px 0;
    border-radius: 0;
  }

  .article-index {
    padding-top: 0;
  }

  .essay-row h3 {
    font-size: 22px;
    line-height: 1.32;
  }

  .essay-row p {
    font-size: 14px;
  }

  .about-summary > p {
    font-size: 17px;
  }

  .about-services {
    margin-top: 36px;
    padding-top: 28px;
  }

  .about-services-intro {
    margin-bottom: 26px;
  }

  .about-services-intro h3 {
    font-size: 27px;
  }

  .about-services-intro > p {
    font-size: 15px;
  }

  .about-facts > div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .faq {
    margin-top: 34px;
    padding-top: 28px;
  }

  .faq-heading h3 {
    font-size: 26px;
  }

  .contact-section {
    padding: 44px 0;
  }

  .contact-copy-button {
    width: 100%;
  }

  .page-button {
    width: 44px;
    height: 44px;
  }

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

  .footer-grid {
    gap: 28px;
  }

  .footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0 18px;
  }

  .social-qr-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .social-qr-section {
    grid-column: auto;
  }

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

  .footer-legal {
    align-items: center;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0 16px;
  }

  .footer-legal > span {
    flex-basis: 100%;
  }

  .footer-legal a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }

  .social-qr-card {
    display: block;
    padding: 10px;
  }

  .social-qr-card .qr-image {
    width: 100%;
    height: auto;
    max-height: none;
    object-fit: contain;
    border-radius: 6px;
  }

  .social-qr-card .personal-qr-frame,
  .social-qr-card .official-qr-frame {
    grid-row: auto;
    width: 100%;
  }

  .social-qr-card .personal-qr-frame .personal-qr-image {
    width: 118%;
    height: auto;
    max-height: none;
  }

  .social-qr-card .official-qr-frame .official-qr-image {
    width: 126%;
    height: auto;
    max-height: none;
  }

  .social-qr-card h4 {
    margin-top: 9px;
    font-size: 12px;
  }

  .social-qr-card p {
    min-height: 33px;
    font-size: 10px;
  }

  .social-qr-card .footer-copy {
    width: 100%;
    margin-top: 8px;
  }
}

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

.hero-audience {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.sales-loop {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  padding: 0;
  border: 1px solid rgba(189, 200, 213, 0.82);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.58);
  overflow: hidden;
  list-style: none;
}

.sales-loop li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 14px 16px;
  border-right: 1px solid rgba(189, 200, 213, 0.72);
}

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

.sales-loop li span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
}

.sales-loop li strong {
  font-size: 14px;
}

.sales-loop li p {
  margin: 0;
  color: var(--body);
  font-size: 12px;
  line-height: 1.5;
}

@media (max-width: 680px) {
  .sales-loop {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sales-loop li {
    padding: 12px;
    border-right: 1px solid rgba(189, 200, 213, 0.72);
    border-bottom: 1px solid rgba(189, 200, 213, 0.72);
  }

  .sales-loop li:nth-child(even) {
    border-right: 0;
  }

  .sales-loop li:last-child {
    grid-column: 1 / -1;
    border-right: 0;
    border-bottom: 0;
  }
}

.footer-links a,
.footer-copy,
.filter-button,
.agent-filter,
.page-button,
.agent-details,
.agent-enter,
.service-item > a,
.faq-list summary {
  min-height: 44px;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
}

@media (max-width: 760px) {
  .agent-filters,
  .article-filters {
    flex-wrap: wrap;
    overflow-x: visible;
  }

  .essay-row p {
    display: block;
    overflow: visible;
    -webkit-box-orient: unset;
    -webkit-line-clamp: unset;
  }
}

/* 2026-08 homepage information architecture */
#path {
  scroll-margin-top: 64px;
}

.hero-content {
  padding-top: 64px;
  padding-bottom: 48px;
}

.hero-belief {
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 560;
}

.agent-section {
  background: var(--page);
}

.agent-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}

.agent-card {
  grid-column: span 2;
  min-height: 300px;
  padding: 17px;
}

.agent-card:nth-child(4),
.agent-card:nth-child(5) {
  grid-column: span 3;
}

.agent-card-copy {
  margin-top: 18px;
}

.agent-card p {
  margin-top: 8px;
  line-height: 1.58;
}

.agent-card p.agent-review {
  margin-top: 8px;
  color: var(--body);
}

.agent-catalog-note {
  margin-top: 20px;
}

.path-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.delivery-path {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  list-style: none;
}

.delivery-path li {
  min-width: 0;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  padding: 20px 16px;
  border-right: 1px solid var(--line);
}

.delivery-path li:last-child {
  border-right: 0;
}

.delivery-path li > span {
  color: var(--blue);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.delivery-path strong {
  display: block;
  font-size: 15px;
  line-height: 1.4;
}

.delivery-path p {
  margin: 8px 0 0;
  color: var(--body);
  font-size: 13px;
  line-height: 1.58;
}

.delivery-path em {
  display: block;
  margin-top: 12px;
  color: var(--blue);
  font-size: 11px;
  font-style: normal;
  font-weight: 650;
  line-height: 1.5;
}

.path-note {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.path-note strong {
  color: var(--ink);
}

.path-note a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  margin-left: 10px;
  color: var(--blue);
  font-weight: 650;
}

.evidence-facts {
  max-width: 720px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 22px 0 0;
  border-top: 1px solid rgba(189, 200, 213, 0.8);
  border-bottom: 1px solid rgba(189, 200, 213, 0.8);
}

.evidence-facts > div {
  min-width: 0;
  padding: 14px 16px 15px 0;
}

.evidence-facts > div + div {
  padding-left: 16px;
  border-left: 1px solid rgba(189, 200, 213, 0.72);
}

.evidence-facts dt {
  color: var(--blue);
  font-size: 11px;
  font-weight: 680;
}

.evidence-facts dd {
  margin: 7px 0 0;
  color: var(--body);
  font-size: 13px;
  line-height: 1.55;
}

.evidence-disclaimer {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
}

.training-scope {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
}

.training-scope > div {
  min-width: 0;
  padding: 17px 20px 18px 0;
  border-bottom: 1px solid var(--line);
}

.training-scope > div:nth-child(even) {
  padding-right: 0;
  padding-left: 20px;
  border-left: 1px solid var(--line);
}

.training-scope strong {
  color: var(--blue);
  font-size: 12px;
  font-weight: 680;
}

.training-scope p {
  margin: 7px 0 0;
  color: var(--body);
  font-size: 13.5px;
  line-height: 1.62;
}

#about.section {
  padding-top: 54px;
  padding-bottom: 54px;
}

.faq {
  margin-top: 38px;
  padding-top: 28px;
}

.contact-layout p {
  margin-top: 12px;
}

@media (max-width: 900px) {
  .agent-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .agent-card,
  .agent-card:nth-child(4),
  .agent-card:nth-child(5) {
    grid-column: span 1;
  }

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

  .delivery-path li {
    border-bottom: 1px solid var(--line);
  }

  .delivery-path li:nth-child(even) {
    border-right: 0;
  }

  .delivery-path li:last-child {
    grid-column: 1 / -1;
    border-bottom: 0;
  }
}

@media (max-width: 680px) {
  .hero-content {
    padding-top: 22px;
    padding-bottom: 24px;
  }

  .hero h1 {
    max-width: 350px;
    font-size: 33px;
  }

  .hero-audience {
    line-height: 1.6;
  }

  .hero-belief {
    margin-top: 14px;
    font-size: 12px;
  }

  .hero .lede {
    margin-top: 14px;
    line-height: 1.64;
  }

  .service-scope {
    margin-top: 16px;
  }

  .service-scope span {
    display: inline;
    height: auto;
    margin: 0 8px;
    color: var(--line-strong);
  }

  .hero-offer {
    margin-top: 12px;
    padding: 10px 12px;
  }

  .hero-actions {
    margin-top: 12px;
  }

  .section,
  #agents.section,
  #about.section {
    padding-top: 38px;
    padding-bottom: 38px;
  }

  .section-head {
    gap: 12px;
  }

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

  .agent-card,
  .agent-card:nth-child(4),
  .agent-card:nth-child(5) {
    grid-column: span 1;
    min-height: auto;
  }

  .agent-card p.agent-review {
    display: block;
  }

  .delivery-path {
    grid-template-columns: 1fr;
  }

  .delivery-path li,
  .delivery-path li:nth-child(even),
  .delivery-path li:last-child {
    grid-column: auto;
    padding: 16px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .delivery-path li:last-child {
    border-bottom: 0;
  }

  .evidence-facts {
    grid-template-columns: 1fr;
  }

  .evidence-facts > div,
  .evidence-facts > div + div {
    padding: 12px 0;
    border-left: 0;
    border-bottom: 1px solid rgba(189, 200, 213, 0.72);
  }

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

  .training-section {
    padding: 38px 0;
  }

  .training-scope {
    grid-template-columns: 1fr;
  }

  .training-scope > div,
  .training-scope > div:nth-child(even) {
    padding: 14px 0 16px;
    border-left: 0;
  }

  .article-filters {
    display: none;
  }

  .faq {
    margin-top: 28px;
    padding-top: 24px;
  }
}