.page-contact {
  --ct-rule: rgba(201, 192, 178, 0.24);
  --ct-rule-strong: rgba(201, 192, 178, 0.42);
  --ct-ink-rule: rgba(18, 16, 15, 0.16);
  --ct-flow: clamp(56px, 8.5vw, 116px);
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  padding-bottom: clamp(56px, 8vw, 112px);
}

.page-contact .data {
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

/* ---------- 面包屑 ---------- */
.page-contact .ct-crumbs {
  padding-top: clamp(20px, 3vw, 34px);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding-block: clamp(30px, 4.5vw, 60px) clamp(44px, 6.5vw, 88px);
}

.page-contact .ct-hero__inner {
  display: grid;
  gap: clamp(30px, 5vw, 60px);
  align-items: center;
}

.page-contact .ct-hero__copy {
  min-width: 0;
}

.page-contact .ct-hero__title {
  margin: 0.42em 0 0;
  max-width: min(100%, 17ch);
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(2rem, 5.4vw, 3.9rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .ct-hero__lede {
  margin: 1.5em 0 0;
  max-width: 46ch;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: rgba(233, 226, 214, 0.86);
}

.page-contact .ct-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2.75rem;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding-top: clamp(18px, 2vw, 26px);
  border-top: 1px solid var(--ct-rule);
}

.page-contact .ct-hero__meta-item {
  min-width: 0;
}

.page-contact .ct-hero__meta dt {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: rgba(233, 226, 214, 0.55);
}

.page-contact .ct-hero__meta dd {
  margin: 0.5em 0 0;
  font-size: 0.875rem;
  color: var(--text);
}

.page-contact .ct-hero__meta dd .data {
  margin-right: 0.18em;
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--gold);
}

.page-contact .ct-hero__figure {
  margin: 0;
  border: 1px solid var(--ct-rule);
}

.page-contact .ct-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .ct-hero__figure::after {
  content: "";
  display: block;
  width: 38%;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--orange));
}

/* ---------- 章节标题 ---------- */
.page-contact .ct-section-head {
  max-width: 60ch;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-contact .ct-section-lede {
  margin: 0.9em 0 0;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(233, 226, 214, 0.78);
}

/* ---------- 三类请求 ---------- */
.page-contact .ct-requests {
  padding-block: var(--ct-flow);
  border-top: 1px solid var(--ct-rule);
}

.page-contact .ct-request-grid {
  display: grid;
  gap: 1px;
  background: var(--ct-rule-strong);
  border: 1px solid var(--ct-rule-strong);
}

.page-contact .ct-request {
  position: relative;
  min-width: 0;
  background: var(--panel);
  padding: clamp(30px, 3.4vw, 42px) clamp(22px, 2.6vw, 34px) clamp(22px, 2.6vw, 34px);
}

.page-contact .ct-request::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 2px;
  background: var(--gold);
}

.page-contact .ct-request:nth-child(1)::before { width: 100%; }
.page-contact .ct-request:nth-child(2)::before { width: 68%; }
.page-contact .ct-request:nth-child(3)::before { width: 40%; }

.page-contact .ct-request__summary {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.15rem, 1.5vw, 1.4rem);
  letter-spacing: -0.02em;
  color: var(--paper);
  -webkit-tap-highlight-color: transparent;
}

.page-contact .ct-request__summary::-webkit-details-marker {
  display: none;
}

.page-contact .ct-request__summary::after {
  content: "+";
  margin-left: auto;
  font-size: 1.2rem;
  font-weight: 300;
  line-height: 1;
  color: var(--blue);
}

.page-contact .ct-request[open] .ct-request__summary::after {
  content: "\2013";
  color: var(--gold);
}

.page-contact .ct-request__summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 4px;
}

.page-contact .ct-request__no {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-contact .ct-request__body {
  padding-top: 1.1rem;
  font-size: 0.9375rem;
  line-height: 1.82;
  color: rgba(233, 226, 214, 0.82);
}

.page-contact .ct-request__body p {
  margin: 0 0 0.85em;
}

.page-contact .ct-request__body p:last-child {
  margin-bottom: 0;
}

.page-contact .ct-request__field {
  display: block;
  padding-top: 0.85em;
  border-top: 1px solid var(--ct-rule);
}

.page-contact .ct-request__field .index-label {
  display: block;
  margin-bottom: 0.32em;
  color: var(--blue);
}

/* ---------- 准备清单 + 联系牌 ---------- */
.page-contact .ct-desk {
  padding-block: var(--ct-flow);
  border-top: 1px solid var(--ct-rule);
}

.page-contact .ct-desk__inner {
  display: grid;
  gap: clamp(34px, 4.5vw, 60px);
}

.page-contact .ct-desk__left {
  min-width: 0;
}

.page-contact .ct-desk__lede {
  margin: 0.9em 0 0;
  max-width: 58ch;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(233, 226, 214, 0.78);
}

.page-contact .ct-desk__lede a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 182, 200, 0.45);
}

.page-contact .ct-desk__lede a:hover,
.page-contact .ct-desk__lede a:focus-visible {
  color: var(--blue-glow);
  border-bottom-color: var(--blue-glow);
}

.page-contact .ct-checklist {
  list-style: none;
  margin: clamp(24px, 3.2vw, 40px) 0 0;
  padding: 0;
  border-top: 1px solid var(--ct-rule);
}

.page-contact .ct-check {
  border-bottom: 1px solid var(--ct-rule);
}

.page-contact .ct-check__label {
  display: grid;
  grid-template-columns: 17px 2rem minmax(0, 1fr);
  gap: 0.85rem;
  align-items: start;
  padding: 1.05rem 0;
  cursor: pointer;
}

.page-contact .ct-check__input {
  appearance: none;
  -webkit-appearance: none;
  display: block;
  width: 17px;
  height: 17px;
  margin: 4px 0 0;
  border: 1px solid var(--line);
  background: transparent;
  position: relative;
  cursor: pointer;
}

.page-contact .ct-check__input:checked {
  border-color: var(--gold);
  background: var(--gold);
}

.page-contact .ct-check__input:checked::after {
  content: "";
  position: absolute;
  top: 1px;
  left: 5px;
  width: 5px;
  height: 9px;
  border: solid var(--ink);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.page-contact .ct-check__input:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

.page-contact .ct-check__num {
  padding-top: 0.34em;
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--gold);
  transition: opacity 180ms linear;
}

.page-contact .ct-check__text {
  min-width: 0;
  transition: opacity 180ms linear;
}

.page-contact .ct-check__input:checked ~ .ct-check__num,
.page-contact .ct-check__input:checked ~ .ct-check__text {
  opacity: 0.5;
}

.page-contact .ct-check__name {
  display: block;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .ct-check__desc {
  display: block;
  margin-top: 0.32em;
  font-size: 0.9rem;
  line-height: 1.78;
  color: rgba(233, 226, 214, 0.72);
}

.page-contact .ct-contact-card {
  min-width: 0;
  background: var(--paper);
  color: var(--ink);
  border-top: 3px solid var(--gold);
}

.page-contact .ct-contact-card__figure {
  margin: 0;
  overflow: hidden;
}

.page-contact .ct-contact-card__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 7 / 3;
}

.page-contact .ct-contact-card__body {
  padding: clamp(22px, 2.8vw, 34px);
}

.page-contact .ct-contact-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  letter-spacing: -0.03em;
  color: var(--ink);
}

.page-contact .ct-contact-card__intro {
  margin: 0.72em 0 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(18, 16, 15, 0.72);
}

.page-contact .ct-contact-line {
  display: block;
  margin-top: 1.4rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--ct-ink-rule);
  text-decoration: none;
  color: inherit;
}

.page-contact .ct-contact-line:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 4px;
}

.page-contact .ct-contact-line__label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: rgba(18, 16, 15, 0.55);
}

.page-contact .ct-contact-line__value {
  display: block;
  margin-top: 0.36em;
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--ink);
  word-break: break-word;
  transition: color 180ms var(--ease-out);
}

.page-contact .ct-contact-line:hover .ct-contact-line__value,
.page-contact .ct-contact-line:focus-visible .ct-contact-line__value {
  color: var(--blue);
}

.page-contact .ct-contact-line__note {
  display: block;
  margin-top: 0.52em;
  font-size: 0.8125rem;
  line-height: 1.72;
  color: rgba(18, 16, 15, 0.62);
}

.page-contact .ct-contact-card__foot {
  margin: 1.5rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--ct-ink-rule);
  font-size: 0.8125rem;
  line-height: 1.72;
  color: rgba(18, 16, 15, 0.55);
}

/* ---------- 响应时效 ---------- */
.page-contact .ct-sla {
  padding-block: var(--ct-flow);
  border-top: 1px solid var(--ct-rule);
}

.page-contact .ct-sla__grid {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--ct-rule);
  border: 1px solid var(--ct-rule);
}

.page-contact .ct-sla__item {
  min-width: 0;
  padding: clamp(22px, 2.6vw, 34px);
  background: var(--teal-deep);
}

.page-contact .ct-sla__label {
  color: var(--blue);
}

.page-contact .ct-sla__figure {
  display: flex;
  align-items: baseline;
  gap: 0.28rem;
  margin: 0.6rem 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-sla__figure .data {
  font-size: clamp(2.4rem, 4.6vw, 3.4rem);
  font-weight: 500;
  line-height: 1;
  color: var(--gold);
}

.page-contact .ct-sla__unit {
  font-size: 0.9375rem;
  color: rgba(244, 237, 226, 0.82);
}

.page-contact .ct-sla__figure--text .ct-sla__unit-lg {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.35rem, 2.4vw, 1.9rem);
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--gold);
}

.page-contact .ct-sla__desc {
  margin: 1rem 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(233, 226, 214, 0.75);
}

/* ---------- 写法示例 ---------- */
.page-contact .ct-examples {
  padding-block: var(--ct-flow);
  border-top: 1px solid var(--ct-rule);
}

.page-contact .ct-examples__list {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
}

.page-contact .ct-example {
  min-width: 0;
  padding: clamp(22px, 2.8vw, 34px);
  background: var(--panel);
  border: 1px solid var(--ct-rule);
  border-left: 2px solid var(--blue);
}

.page-contact .ct-example__tag {
  color: var(--gold);
}

.page-contact .ct-example__quote {
  margin: 0.95rem 0 0;
  padding: 0;
  font-size: 0.9375rem;
  line-height: 1.88;
  color: var(--text);
}

.page-contact .ct-example__note {
  margin: 1.15rem 0 0;
  padding-top: 0.95rem;
  border-top: 1px solid var(--ct-rule);
  font-size: 0.85rem;
  line-height: 1.76;
  color: rgba(233, 226, 214, 0.68);
}

/* ---------- 收尾 ---------- */
.page-contact .ct-closing {
  padding-top: var(--ct-flow);
}

.page-contact .ct-closing__inner {
  display: grid;
  gap: clamp(24px, 3vw, 40px);
  padding: clamp(26px, 4vw, 48px);
  background: var(--panel);
  border-top: 2px solid var(--gold);
}

.page-contact .ct-closing__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .ct-closing__text {
  margin: 0.85em 0 0;
  max-width: 54ch;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: rgba(233, 226, 214, 0.78);
}

.page-contact .ct-closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-contact .ct-closing__actions .btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

/* ---------- 断点 ---------- */
@media (min-width: 520px) {
  .page-contact .ct-request__field {
    display: grid;
    grid-template-columns: 4.6rem minmax(0, 1fr);
    gap: 0.75rem;
  }
  .page-contact .ct-request__field .index-label {
    margin-bottom: 0;
    padding-top: 0.2em;
  }
}

@media (min-width: 760px) {
  .page-contact .ct-sla__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .ct-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: clamp(40px, 5vw, 78px);
  }
  .page-contact .ct-request-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .ct-examples__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .ct-closing__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: clamp(36px, 5vw, 72px);
  }
}

@media (min-width: 1000px) {
  .page-contact .ct-desk__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }
}

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