:root {
  --canvas: #eee5d4;
  --paper: #faf5e9;
  --ink: #29261f;
  --ink-soft: #6e665b;
  --ink-faint: #92897a;
  --rule: #cec2ae;
  --rule-soft: #ded4c3;
  --signal: #e55d25;
  --signal-dark: #a13a18;
  --success: #287b52;
  --error: #a2382c;
  --wash: rgba(41, 38, 31, 0.055);
  --paper-shadow: 0 22px 55px rgba(62, 48, 29, 0.12), 0 2px 8px rgba(62, 48, 29, 0.08);
  --font-display: "Songti SC", STSong, "Noto Serif CJK SC", "Source Han Serif SC", serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --radius-micro: 2px;
  --radius-control: 8px;
  --radius-surface: 18px;
  --radius-pill: 999px;
}

@supports (color: oklch(0.5 0.1 40)) {
  :root {
    --canvas: oklch(0.945 0.018 79);
    --paper: oklch(0.975 0.011 78);
    --ink: oklch(0.19 0.015 62);
    --ink-soft: oklch(0.43 0.018 62);
    --ink-faint: oklch(0.58 0.016 69);
    --rule: oklch(0.82 0.018 74);
    --rule-soft: oklch(0.875 0.014 76);
    --signal: oklch(0.67 0.19 42);
    --signal-dark: oklch(0.49 0.16 38);
    --success: oklch(0.55 0.105 151);
    --error: oklch(0.52 0.17 27);
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
  background: var(--canvas);
  color: var(--ink);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  touch-action: manipulation;
}

button,
textarea,
select,
input {
  font: inherit;
}

button,
a,
select,
input[type="checkbox"] {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

a {
  color: inherit;
}

::selection {
  background: var(--signal);
  color: var(--paper);
}

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

.skip-link {
  position: absolute;
  z-index: 100;
  top: 12px;
  left: 12px;
  min-height: 40px;
  padding: 8px 14px;
  border-radius: var(--radius-control);
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-160%);
  transition: transform 160ms;
  text-decoration: none;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.page-shell {
  width: min(100%, 1500px);
  margin: 0 auto;
  padding: max(24px, env(safe-area-inset-top)) max(28px, env(safe-area-inset-right))
    max(24px, env(safe-area-inset-bottom)) max(28px, env(safe-area-inset-left));
}

.masthead {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 34px;
  min-height: 58px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--rule);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  min-height: 42px;
  text-decoration: none;
}

.wordmark span:first-child {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-micro);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: -0.04em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  color: var(--ink-soft);
}

.site-nav a,
.header-cta {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.header-cta {
  justify-content: center;
  min-width: 104px;
  padding: 8px 14px;
  border: 1px solid var(--ink);
  border-radius: var(--radius-control);
  letter-spacing: 0.06em;
}

.opening-spread {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(390px, 5fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
  padding: clamp(52px, 7.5vw, 108px) 0 clamp(70px, 8vw, 116px);
}

.identity-column,
.agent-desk {
  min-width: 0;
}

.eyebrow,
.desk-kicker,
.section-kicker,
.section-heading > p:first-child {
  margin: 0;
  color: var(--signal-dark);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.identity-mark {
  display: flex;
  align-items: baseline;
  margin: clamp(18px, 3vw, 34px) 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.07em;
  line-height: 0.82;
  white-space: nowrap;
}

.identity-mark__xin {
  font-size: clamp(92px, 13.3vw, 198px);
}

.identity-mark__slash {
  margin: 0 0.035em;
  color: var(--signal);
  font-size: clamp(62px, 8vw, 116px);
  font-weight: 400;
}

.identity-mark__now {
  color: transparent;
  font-size: clamp(48px, 6.6vw, 98px);
  font-family: var(--font-body);
  font-weight: 800;
  letter-spacing: -0.055em;
  -webkit-text-stroke: 1px var(--ink-soft);
}

.profile-headline {
  max-width: 790px;
  margin: 30px 0 0;
  font-family: var(--font-display);
  font-size: clamp(38px, 4.8vw, 70px);
  font-weight: 600;
  letter-spacing: -0.026em;
  line-height: 1.1;
  text-wrap: balance;
}

.profile-intro {
  max-width: 690px;
  margin: 28px 0 0;
  color: var(--ink-soft);
  font-size: clamp(16px, 1.35vw, 19px);
  line-height: 1.8;
  text-wrap: pretty;
}

.profile-byline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-top: 20px;
  color: var(--ink-soft);
  font-size: 12px;
}

.profile-byline strong {
  padding: 4px 8px;
  border: 1px solid var(--ink);
  border-radius: var(--radius-micro);
  color: var(--ink);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 32px;
}

.primary-action,
.lead-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 50px;
  padding: 11px 17px 11px 20px;
  border: 0;
  border-radius: var(--radius-control);
  background: var(--signal-dark);
  color: var(--paper);
  cursor: pointer;
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
  transition: transform 160ms cubic-bezier(0.16, 1, 0.3, 1), background-color 160ms;
}

.primary-action svg,
.lead-submit svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.text-action {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-bottom: 1px solid var(--ink-soft);
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
}

.text-action--dark {
  color: var(--paper);
  border-color: rgba(250, 245, 233, 0.45);
}

.response-note {
  margin: 12px 0 0;
  color: var(--ink-faint);
  font-size: 11px;
}

.live-register {
  max-width: 690px;
  margin-top: clamp(42px, 5vw, 64px);
}

.register-heading {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--ink);
}

.register-heading h2 {
  margin: 0;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.12em;
}

.state-dot,
.live-pulse {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
}

.register-count {
  color: var(--ink-soft);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

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

.register-list li {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 8px;
  padding: 13px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 14px;
}

.register-list li > span {
  color: var(--signal-dark);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.agent-desk {
  position: sticky;
  top: 26px;
  overflow: hidden;
  border-radius: var(--radius-surface);
  background: var(--paper);
  box-shadow: var(--paper-shadow);
}

.desk-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 24px 18px;
  border-bottom: 1px solid var(--rule-soft);
}

.desk-header h2 {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.3vw, 30px);
  font-weight: 600;
  letter-spacing: -0.012em;
  line-height: 1.25;
}

.mode-stamp {
  flex: 0 0 auto;
  padding: 5px 9px;
  border-radius: var(--radius-micro);
  background: var(--wash);
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.mode-stamp.is-live {
  background: var(--ink);
  color: var(--paper);
}

.desk-state {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-bottom: 1px solid var(--rule-soft);
  color: var(--ink-faint);
  font-size: 10px;
}

.desk-state.is-ready .state-dot {
  background: var(--success);
}

.desk-state.is-error .state-dot {
  background: var(--error);
}

.conversation {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 240px;
  max-height: min(38vh, 390px);
  padding: 22px 24px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-color: var(--rule) transparent;
}

.message {
  max-width: 92%;
  padding: 14px 16px;
  border-radius: var(--radius-control);
  text-wrap: pretty;
}

.message p {
  margin: 0;
  white-space: pre-line;
}

.message--agent {
  align-self: flex-start;
  background: var(--wash);
  border-top-left-radius: var(--radius-micro);
}

.message--user {
  align-self: flex-end;
  background: var(--ink);
  color: var(--paper);
  border-bottom-right-radius: var(--radius-micro);
}

.message--error {
  align-self: flex-start;
  color: var(--error);
  background: rgba(162, 56, 44, 0.08);
}

.message-label {
  margin-bottom: 6px !important;
  color: var(--signal-dark);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.13em;
}

.message--user .message-label {
  color: rgba(250, 245, 233, 0.65);
}

.message-mode-note {
  display: block;
  margin-top: 9px;
  color: var(--ink-soft);
  font-size: 11px;
}

.message-next-step {
  margin-top: 12px;
  padding-top: 11px;
  border-top: 1px solid var(--rule);
  font-size: 12px;
}

.message-next-step a {
  color: var(--signal-dark);
  font-weight: 750;
  text-decoration: none;
}

.typing-dots {
  display: inline-flex;
  gap: 4px;
  align-items: center;
  min-height: 24px;
}

.typing-dots span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ink-soft);
  animation: typing 900ms cubic-bezier(0.16, 1, 0.3, 1) infinite alternate;
}

.typing-dots span:nth-child(2) {
  animation-delay: 120ms;
}

.typing-dots span:nth-child(3) {
  animation-delay: 240ms;
}

.suggestion-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 24px 16px;
  overflow-x: visible;
  scrollbar-width: none;
}

.suggestion-rail::-webkit-scrollbar {
  display: none;
}

.suggestion {
  flex: 0 0 auto;
  min-height: 40px;
  padding: 8px 13px;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--wash);
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 12px;
  transition: transform 160ms, background-color 160ms, color 160ms;
}

.composer {
  padding: 16px 24px 22px;
  border-top: 1px solid var(--rule-soft);
  background: rgba(41, 38, 31, 0.025);
}

.composer textarea {
  display: block;
  width: 100%;
  min-height: 82px;
  max-height: 160px;
  resize: vertical;
  padding: 13px 14px;
  border: 1px solid var(--rule);
  border-radius: var(--radius-control);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  transition: border-color 150ms, box-shadow 150ms;
}

.composer textarea::placeholder,
.field textarea::placeholder,
.field input::placeholder {
  color: var(--ink-faint);
}

.composer textarea:focus,
.field textarea:focus,
.field input:focus,
.field select:focus {
  border-color: var(--ink-soft);
  box-shadow: 0 0 0 3px rgba(229, 93, 37, 0.13);
}

.composer-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 12px;
}

.privacy-note {
  color: var(--ink-soft);
  font-size: 11px;
}

.send-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-width: 124px;
  min-height: 42px;
  padding: 9px 12px 9px 16px;
  border: 0;
  border-radius: var(--radius-control);
  background: var(--signal-dark);
  color: var(--paper);
  cursor: pointer;
  font-size: 13px;
  font-weight: 750;
  transition: transform 160ms, background-color 160ms, opacity 160ms;
}

.send-button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.send-button:disabled,
.lead-submit:disabled {
  cursor: wait;
  opacity: 0.56;
}

.source-dossier {
  padding: 18px 24px 22px;
  border-top: 1px solid var(--rule);
  background: var(--canvas);
}

.source-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 8px;
}

.source-heading h3 {
  margin: 0;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.08em;
}

.source-heading span {
  color: var(--ink-soft);
  font-size: 10px;
}

.source-record {
  border-bottom: 1px solid var(--rule);
}

.source-record summary {
  display: grid;
  grid-template-columns: 9px 1fr auto;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 7px 0;
  cursor: pointer;
  list-style: none;
}

.source-record summary::-webkit-details-marker {
  display: none;
}

.source-record summary::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--rule);
}

.source-record[open] summary::before {
  background: var(--signal);
}

.source-title {
  font-size: 13px;
  font-weight: 650;
}

.source-date {
  color: var(--ink-soft);
  font-size: 9px;
  font-variant-numeric: tabular-nums;
}

.source-excerpt {
  margin: 0 0 13px 19px;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.65;
  text-wrap: pretty;
}

.evidence-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.evidence-strip > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-height: 98px;
  padding: 22px 24px;
  border-right: 1px solid var(--rule);
}

.evidence-strip > div:last-child {
  border-right: 0;
}

.evidence-strip strong {
  color: var(--signal-dark);
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: -0.02em;
}

.evidence-strip span {
  color: var(--ink-soft);
  font-size: 11px;
}

.services-section {
  display: grid;
  grid-template-columns: 94px minmax(230px, 0.72fr) minmax(0, 1.65fr);
  gap: 30px;
  padding: clamp(82px, 10vw, 142px) 0;
}

.section-number {
  color: var(--signal);
  font-family: var(--font-display);
  font-size: 54px;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.section-heading h2,
.case-copy h2,
.fit-heading h2,
.inquiry-intro h2,
.method-intro h2 {
  margin: 13px 0 0;
  font-family: var(--font-display);
  font-size: clamp(31px, 3.5vw, 52px);
  font-weight: 600;
  letter-spacing: -0.024em;
  line-height: 1.14;
  text-wrap: balance;
}

.section-summary {
  margin: 24px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.8;
  text-wrap: pretty;
}

.service-ledger {
  border-top: 1px solid var(--ink);
}

.service-row {
  display: grid;
  grid-template-columns: 38px minmax(150px, 0.85fr) minmax(190px, 1.2fr) minmax(120px, auto);
  gap: 18px;
  align-items: start;
  padding: 25px 0;
  border-bottom: 1px solid var(--rule);
}

.service-row--featured {
  position: relative;
  margin: 0 -18px;
  padding: 25px 18px;
  background: var(--paper);
}

.service-row--featured::before {
  content: "主力方案";
  position: absolute;
  top: -11px;
  right: 18px;
  padding: 3px 8px;
  background: var(--signal-dark);
  color: var(--paper);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.service-code {
  color: var(--ink-faint);
  font-family: var(--font-display);
  font-size: 18px;
}

.service-name p {
  margin: 0 0 5px;
  color: var(--ink-faint);
  font-size: 10px;
}

.service-name h3 {
  margin: 0;
  font-size: 16px;
  line-height: 1.45;
}

.service-row ul {
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--ink-soft);
  font-size: 12px;
}

.service-row li {
  position: relative;
  padding-left: 13px;
  line-height: 1.7;
}

.service-row li::before {
  content: "";
  position: absolute;
  top: 0.78em;
  left: 0;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--signal);
}

.service-price {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 3px;
  text-align: right;
}

.service-price strong {
  font-family: var(--font-display);
  font-size: 22px;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
  white-space: nowrap;
}

.service-price small {
  font-family: var(--font-body);
  font-size: 10px;
}

.service-price span {
  color: var(--ink-faint);
  font-size: 10px;
  white-space: nowrap;
}

.service-footnote {
  grid-column: 3;
  display: flex;
  justify-content: space-between;
  gap: 30px;
  margin-top: -16px;
  color: var(--ink-faint);
  font-size: 10px;
}

.service-footnote p {
  margin: 0;
}

.case-section {
  display: grid;
  grid-template-columns: minmax(250px, 0.72fr) minmax(0, 1.45fr);
  gap: clamp(46px, 8vw, 118px);
  margin: 0 calc(-1 * max(28px, env(safe-area-inset-right)));
  padding: clamp(78px, 9vw, 126px) max(28px, env(safe-area-inset-right));
  background: var(--ink);
  color: var(--paper);
}

.case-copy > p:not(.section-kicker) {
  margin: 26px 0 24px;
  color: rgba(250, 245, 233, 0.7);
  line-height: 1.85;
  text-wrap: pretty;
}

.case-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  border-top: 1px solid rgba(250, 245, 233, 0.36);
  border-bottom: 1px solid rgba(250, 245, 233, 0.36);
}

.flow-stage {
  min-height: 210px;
  padding: 28px 20px;
}

.flow-stage span {
  color: var(--signal);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.flow-stage strong {
  display: block;
  margin-top: 22px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
}

.flow-stage p {
  margin: 13px 0 0;
  color: rgba(250, 245, 233, 0.58);
  font-size: 12px;
  line-height: 1.7;
}

.flow-arrow {
  color: var(--signal);
  font-size: 26px;
}

.case-facts {
  grid-column: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: -42px 0 0;
  border-top: 1px solid rgba(250, 245, 233, 0.2);
}

.case-facts > div {
  padding: 18px 16px 0 0;
}

.case-facts dt {
  color: rgba(250, 245, 233, 0.4);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.case-facts dd {
  margin: 5px 0 0;
  color: rgba(250, 245, 233, 0.82);
  font-size: 11px;
}

.fit-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.5fr);
  gap: clamp(48px, 8vw, 120px);
  padding: clamp(82px, 10vw, 142px) 0;
  border-bottom: 1px solid var(--ink);
}

.fit-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--ink);
}

.fit-columns article {
  padding: 26px 30px 10px 0;
}

.fit-columns article + article {
  padding-right: 0;
  padding-left: 30px;
  border-left: 1px solid var(--rule);
}

.fit-columns h3 {
  margin: 0 0 22px;
  font-size: 14px;
}

.fit-columns h3 span {
  margin-right: 7px;
  color: var(--success);
  font-size: 20px;
}

.fit-columns .fit-no h3 span {
  color: var(--signal-dark);
}

.fit-columns ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.fit-columns li {
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
  color: var(--ink-soft);
  font-size: 13px;
}

.inquiry-section {
  display: grid;
  grid-template-columns: minmax(270px, 0.78fr) minmax(480px, 1.22fr);
  gap: clamp(50px, 9vw, 132px);
  padding: clamp(84px, 10vw, 148px) 0;
}

.inquiry-intro > p:not(.section-kicker) {
  max-width: 540px;
  margin: 25px 0 0;
  color: var(--ink-soft);
  line-height: 1.85;
}

.inquiry-steps {
  margin: 38px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink);
}

.inquiry-steps li {
  display: grid;
  grid-template-columns: 40px 1fr;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 13px;
}

.inquiry-steps span {
  color: var(--signal-dark);
  font-size: 10px;
}

.contact-card {
  scroll-margin-top: 24px;
  margin-top: 34px;
  padding: 24px;
  border: 1px solid var(--ink);
  border-radius: var(--radius-control);
  background: var(--paper);
  box-shadow: 9px 9px 0 var(--rule);
}

.contact-card__heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--ink);
}

.contact-card__heading p {
  margin: 0;
  color: var(--signal-dark);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.13em;
}

.contact-card__heading h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.2;
}

.contact-card__intro {
  margin: 18px 0;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.75;
}

.contact-list {
  margin: 0;
  border-top: 1px solid var(--rule);
}

.contact-list > div {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  min-height: 58px;
  border-bottom: 1px solid var(--rule);
}

.contact-list dt {
  color: var(--ink-faint);
  font-size: 10px;
  font-weight: 750;
}

.contact-list dd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-width: 0;
  margin: 0;
}

.contact-list code,
.contact-value {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  text-decoration: none;
}

.contact-action {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 7px 10px;
  border: 1px solid var(--ink);
  border-radius: var(--radius-control);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-size: 10px;
  font-weight: 750;
  text-decoration: none;
}

.contact-action.is-copied {
  border-color: var(--success);
  background: rgba(40, 123, 82, 0.08);
  color: var(--success);
}

.contact-card__note {
  margin: 14px 0 0;
  color: var(--ink-faint);
  font-size: 9px;
  line-height: 1.6;
}

.lead-form[hidden] {
  display: none;
}

.lead-form {
  padding: clamp(24px, 3.5vw, 42px);
  border-radius: var(--radius-surface);
  background: var(--paper);
  box-shadow: var(--paper-shadow);
}

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

.field {
  display: block;
  margin-bottom: 20px;
}

.field > span {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  font-weight: 750;
}

.field textarea,
.field input,
.field select {
  display: block;
  width: 100%;
  min-height: 48px;
  padding: 11px 13px;
  border: 1px solid var(--rule);
  border-radius: var(--radius-control);
  background: var(--paper);
  color: var(--ink);
  transition: border-color 150ms, box-shadow 150ms;
}

.field textarea {
  min-height: 145px;
  resize: vertical;
  line-height: 1.6;
}

.field small {
  display: block;
  margin-top: 7px;
  color: var(--ink-faint);
  font-size: 10px;
}

.website-field {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  white-space: nowrap !important;
}

.consent-field {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 10px;
  align-items: start;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 11px;
  line-height: 1.6;
}

.consent-field input {
  width: 18px;
  height: 18px;
  margin: 1px 0 0;
  accent-color: var(--signal-dark);
}

.lead-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--rule-soft);
}

.lead-actions p {
  margin: 0;
  color: var(--ink-faint);
  font-size: 10px;
}

.lead-submit {
  flex: 0 0 auto;
}

.form-status {
  display: none;
  margin-top: 18px;
  padding: 13px 14px;
  border-left: 3px solid var(--success);
  background: rgba(40, 123, 82, 0.08);
  color: var(--success);
  font-size: 12px;
  line-height: 1.7;
}

.form-status:not(:empty) {
  display: block;
}

.form-status.is-error {
  border-left-color: var(--error);
  background: rgba(162, 56, 44, 0.08);
  color: var(--error);
}

.method-sheet {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(310px, 1.1fr);
  column-gap: clamp(48px, 8vw, 128px);
  row-gap: 46px;
  margin: 0 calc(-1 * max(28px, env(safe-area-inset-right)));
  padding: clamp(72px, 9vw, 124px) max(28px, env(safe-area-inset-right));
  background: var(--ink);
  color: var(--paper);
}

.section-kicker {
  color: var(--signal) !important;
}

.method-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(250, 245, 233, 0.32);
}

.method-list li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 20px 0;
  border-bottom: 1px solid rgba(250, 245, 233, 0.22);
}

.method-list span {
  color: var(--signal);
  font-size: 10px;
  font-variant-numeric: tabular-nums;
}

.method-list p {
  margin: 0;
  color: rgba(250, 245, 233, 0.82);
}

.method-sheet blockquote {
  grid-column: 2;
  margin: 0;
  color: rgba(250, 245, 233, 0.55);
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.7;
}

.footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  padding: clamp(48px, 6vw, 84px) 0 18px;
}

.footer > div:first-child {
  display: flex;
  align-items: center;
  gap: 18px;
}

.footer-mark {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 700;
  letter-spacing: -0.06em;
}

.footer p {
  max-width: 390px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
}

.footer-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 3px 8px;
  margin-top: 6px !important;
  font-size: 10px !important;
}

.footer-contact a {
  text-decoration-color: var(--rule);
  text-underline-offset: 3px;
}

.footer-meta {
  display: flex;
  gap: 16px;
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  font-variant-numeric: tabular-nums;
}

.mobile-cta {
  display: none;
}

.noscript {
  position: fixed;
  z-index: 50;
  right: 16px;
  bottom: 16px;
  left: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-control);
  background: var(--ink);
  color: var(--paper);
  text-align: center;
}

.noscript a {
  color: var(--paper);
  text-underline-offset: 3px;
}

.enter {
  animation: enter 760ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.enter-1 {
  animation-delay: 40ms;
}

.enter-2 {
  animation-delay: 130ms;
}

.enter-3 {
  animation-delay: 210ms;
}

.enter-4 {
  animation-delay: 300ms;
}

.enter-5 {
  animation-delay: 390ms;
}

@keyframes enter {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes typing {
  from {
    opacity: 0.35;
    transform: translateY(2px);
  }
  to {
    opacity: 1;
    transform: translateY(-2px);
  }
}

@media (hover: hover) {
  .wordmark:hover,
  .site-nav a:hover,
  .text-action:hover,
  .source-record summary:hover {
    color: var(--signal-dark);
  }

  .contact-action:hover {
    background: var(--ink);
    color: var(--paper);
  }

  .header-cta:hover {
    background: var(--ink);
    color: var(--paper);
  }

  .suggestion:hover {
    background: var(--ink);
    color: var(--paper);
  }

  .send-button:hover:not(:disabled),
  .primary-action:hover,
  .lead-submit:hover:not(:disabled) {
    background: var(--ink);
  }
}

.suggestion:active,
.send-button:active,
.primary-action:active,
.lead-submit:active,
.header-cta:active,
.contact-action:active,
.source-record summary:active {
  transform: scale(0.97);
}

@media (max-width: 1180px) {
  .opening-spread {
    grid-template-columns: minmax(0, 1.05fr) minmax(365px, 0.95fr);
    gap: 42px;
  }

  .identity-mark__xin {
    font-size: clamp(84px, 12vw, 142px);
  }

  .identity-mark__now {
    font-size: clamp(42px, 6vw, 67px);
  }

  .services-section {
    grid-template-columns: 68px minmax(210px, 0.68fr) minmax(0, 1.5fr);
  }

  .service-row {
    grid-template-columns: 30px minmax(135px, 0.8fr) minmax(170px, 1.15fr) auto;
  }

  .case-facts {
    grid-template-columns: 1fr 1fr;
    row-gap: 10px;
  }
}

@media (max-width: 980px) {
  .site-nav {
    display: none;
  }

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

  .opening-spread {
    grid-template-columns: 1fr;
    gap: 64px;
  }

  .agent-desk {
    position: static;
    width: min(100%, 720px);
  }

  .services-section {
    grid-template-columns: 64px 1fr;
  }

  .service-ledger,
  .service-footnote {
    grid-column: 2;
  }

  .case-section,
  .fit-section,
  .inquiry-section {
    grid-template-columns: 1fr;
  }

  .case-flow,
  .case-facts {
    grid-column: 1;
  }

  .case-facts {
    margin-top: -18px;
  }

  .inquiry-section {
    gap: 48px;
  }
}

@media (max-width: 760px) {
  body {
    padding-bottom: calc(74px + env(safe-area-inset-bottom));
  }

  .page-shell {
    padding-right: max(18px, env(safe-area-inset-right));
    padding-left: max(18px, env(safe-area-inset-left));
  }

  .wordmark span:last-child {
    font-size: 10px;
  }

  .header-cta {
    display: none;
  }

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

  .opening-spread {
    padding-top: 48px;
    padding-bottom: 76px;
  }

  .identity-mark {
    margin-top: 24px;
  }

  .identity-mark__xin {
    font-size: clamp(78px, 28vw, 108px);
  }

  .identity-mark__slash {
    font-size: clamp(48px, 17vw, 66px);
  }

  .identity-mark__now {
    font-size: clamp(39px, 14vw, 54px);
  }

  .profile-headline {
    margin-top: 26px;
    font-size: clamp(35px, 10.2vw, 48px);
  }

  .profile-intro {
    margin-top: 22px;
    font-size: 16px;
  }

  .profile-byline {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .primary-action {
    width: 100%;
  }

  .response-note {
    line-height: 1.6;
  }

  .agent-desk {
    margin: 0;
    border-radius: 14px;
  }

  .desk-header,
  .desk-state,
  .conversation,
  .composer,
  .source-dossier {
    padding-right: 18px;
    padding-left: 18px;
  }

  .conversation {
    min-height: 220px;
    max-height: 420px;
  }

  .suggestion-rail {
    position: relative;
    flex-wrap: nowrap;
    margin-right: -18px;
    padding-right: 44px;
    padding-left: 18px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
  }

  .suggestion-rail::after {
    content: "滑动查看更多 →";
    position: sticky;
    right: 0;
    flex: 0 0 82px;
    display: grid;
    place-items: center;
    min-height: 40px;
    background: var(--paper);
    color: var(--ink-faint);
    font-size: 9px;
  }

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

  .evidence-strip > div {
    min-height: 88px;
    padding: 18px 14px;
    border-bottom: 1px solid var(--rule);
  }

  .evidence-strip > div:nth-child(2) {
    border-right: 0;
  }

  .evidence-strip > div:nth-child(n + 3) {
    border-bottom: 0;
  }

  .services-section {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .section-number {
    font-size: 36px;
  }

  .service-ledger,
  .service-footnote {
    grid-column: 1;
  }

  .service-ledger {
    margin-top: 28px;
  }

  .service-row,
  .service-row--featured {
    grid-template-columns: 28px 1fr auto;
    gap: 10px 12px;
    margin: 0;
    padding: 22px 0;
    background: transparent;
  }

  .service-row--featured::before {
    top: -10px;
    right: 0;
  }

  .service-row ul {
    grid-column: 2 / -1;
  }

  .service-price {
    grid-column: 2 / -1;
    align-items: flex-start;
    margin-top: 4px;
    text-align: left;
  }

  .service-footnote {
    flex-direction: column;
    gap: 7px;
    margin-top: 0;
    line-height: 1.6;
  }

  .case-section {
    margin-right: calc(-1 * max(18px, env(safe-area-inset-right)));
    margin-left: calc(-1 * max(18px, env(safe-area-inset-left)));
    padding-right: max(18px, env(safe-area-inset-right));
    padding-left: max(18px, env(safe-area-inset-left));
  }

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

  .flow-stage {
    min-height: 0;
    padding: 26px 0;
    border-bottom: 1px solid rgba(250, 245, 233, 0.2);
  }

  .flow-stage:last-child {
    border-bottom: 0;
  }

  .flow-stage strong {
    margin-top: 12px;
  }

  .flow-arrow {
    display: none;
  }

  .case-facts {
    grid-template-columns: 1fr 1fr;
    margin-top: -18px;
  }

  .fit-section {
    gap: 38px;
  }

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

  .fit-columns article,
  .fit-columns article + article {
    padding: 24px 0;
    border-left: 0;
  }

  .fit-columns article + article {
    border-top: 1px solid var(--ink);
  }

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

  .lead-form {
    margin: 0 -4px;
    padding: 24px 18px;
    border-radius: 14px;
  }

  .contact-card {
    padding: 20px 16px;
    box-shadow: 6px 6px 0 var(--rule);
  }

  .contact-card__heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }

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

  .lead-submit {
    width: 100%;
  }

  .method-sheet {
    grid-template-columns: 1fr;
    margin-right: calc(-1 * max(18px, env(safe-area-inset-right)));
    margin-left: calc(-1 * max(18px, env(safe-area-inset-left)));
    padding-right: max(18px, env(safe-area-inset-right));
    padding-left: max(18px, env(safe-area-inset-left));
  }

  .method-sheet blockquote {
    grid-column: 1;
  }

  .footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 26px;
  }

  .footer-meta {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .mobile-cta {
    position: fixed;
    z-index: 40;
    right: max(12px, env(safe-area-inset-right));
    bottom: max(10px, env(safe-area-inset-bottom));
    left: max(12px, env(safe-area-inset-left));
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 2px;
    min-height: 58px;
    padding: 3px;
    border: 1px solid rgba(250, 245, 233, 0.2);
    border-radius: 10px;
    background: var(--ink);
    box-shadow: 0 10px 30px rgba(41, 38, 31, 0.3);
    transition: opacity 180ms, transform 180ms;
  }

  .mobile-cta a {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    flex-direction: column;
    min-width: 0;
    min-height: 50px;
    padding: 7px 12px;
    border-radius: 7px;
    color: var(--paper);
    text-decoration: none;
  }

  .mobile-cta__primary {
    background: var(--signal-dark);
  }

  .mobile-cta.is-hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(120%);
    visibility: hidden;
  }

  .mobile-cta a span {
    font-size: 14px;
    font-weight: 800;
  }

  .mobile-cta a small {
    color: rgba(250, 245, 233, 0.7);
    font-size: 10px;
  }
}

@media (max-width: 390px) {
  .wordmark span:last-child {
    display: none;
  }

  .identity-mark__xin {
    font-size: 74px;
  }

  .identity-mark__slash {
    font-size: 46px;
  }

  .identity-mark__now {
    font-size: 37px;
  }

  .composer-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 10px;
  }

  .privacy-note {
    white-space: normal;
  }

  .send-button {
    align-self: flex-end;
  }

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

  .mobile-cta a small {
    display: none;
  }
}

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

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