.page-contact {
  --ct-gap: clamp(18px, 3vw, 30px);
  --ct-line-soft: rgba(35, 59, 56, 0.14);
  color: var(--ink);
  font-family: var(--font-body);
}

.page-contact .eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
}

.page-contact .eyebrow--light {
  color: rgba(244, 239, 229, 0.62);
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  line-height: 1.18;
  margin: 0;
}

.page-contact h1 {
  font-size: clamp(1.9rem, 5.4vw, 3.4rem);
  font-weight: 800;
  max-width: 15em;
}

.page-contact h2 {
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 14px;
}

.page-contact h3 {
  font-size: 1.02rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.page-contact p {
  margin: 0;
  line-height: 1.75;
  font-size: var(--fs-base);
}

.page-contact a {
  color: var(--rust);
  text-decoration: none;
  border-bottom: 1px solid rgba(140, 63, 30, 0.35);
}

.page-contact a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-contact a:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-contact .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
}

.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  color: var(--mute);
  margin-bottom: 14px;
}

.page-contact .breadcrumbs a {
  color: var(--mute);
  border-bottom: none;
}

.page-contact .breadcrumbs a:hover {
  color: var(--rust);
}

.page-contact .breadcrumbs__sep {
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.ct-hero {
  padding-top: clamp(18px, 3vw, 34px);
  padding-bottom: clamp(26px, 4vw, 46px);
}

.ct-hero__frame {
  position: relative;
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow-soft);
  padding: clamp(20px, 3.4vw, 40px) clamp(18px, 3vw, 40px) 0;
  overflow: hidden;
}

.ct-hero__frame::before,
.ct-hero__frame::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  pointer-events: none;
}

.ct-hero__frame::before {
  top: 0;
  left: 0;
  border-top: 2px solid var(--orange);
  border-left: 2px solid var(--orange);
}

.ct-hero__frame::after {
  top: 0;
  right: 0;
  border-top: 2px solid var(--slate);
  border-right: 2px solid var(--slate);
}

.ct-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.5vw, 38px);
  align-items: start;
}

.ct-hero__lead {
  margin-top: 14px;
  max-width: 54ch;
  color: var(--mute);
  font-size: var(--fs-lg);
  line-height: 1.7;
}

.ct-hero__status {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 20px;
}

.ct-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-sm);
  color: var(--slate);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 12px;
  background: var(--paper);
}

.ct-status--quiet {
  color: var(--mute);
  background: transparent;
  border-style: dashed;
}

.ct-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(47, 191, 122, 0.18);
  flex: none;
}

.ct-legend {
  border: 1px solid var(--line);
  border-top: 3px solid var(--slate);
  background: var(--paper);
}

.ct-legend__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mute);
}

.ct-legend__state {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--slate);
  letter-spacing: 0.04em;
}

.ct-legend__row {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  align-items: start;
  padding: 14px;
  border-bottom: 1px dashed var(--line);
}

.ct-legend__row:last-child {
  border-bottom: none;
}

.ct-legend__k {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  color: var(--mute);
  padding-top: 3px;
}

.ct-legend__v {
  font-size: var(--fs-sm);
  line-height: 1.6;
  color: var(--ink);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.ct-legend__v--primary {
  color: var(--rust);
  font-weight: 600;
  font-size: 0.88rem;
}

.ct-ridge {
  display: block;
  width: calc(100% + 2 * clamp(18px, 3vw, 40px));
  margin: 26px calc(-1 * clamp(18px, 3vw, 40px)) 0;
  height: 56px;
}

/* ---------- 三种来信 ---------- */
.ct-pick {
  padding-top: clamp(20px, 3vw, 34px);
}

.ct-pick__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  align-items: start;
}

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

.ct-pick__item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.ct-pick__item p {
  color: var(--mute);
  font-size: 0.96rem;
}

.ct-pick__idx {
  font-size: var(--fs-sm);
  color: var(--amber);
  padding-top: 4px;
}

.ct-pick__link {
  margin-top: 20px;
}

.ct-pick__media .media-frame__cap {
  font-size: var(--fs-xs);
  color: var(--mute);
}

/* ---------- 服务时段 ---------- */
.ct-hours {
  background: var(--slate);
  color: var(--paper);
  padding: clamp(32px, 5vw, 62px) 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.ct-hours h2 {
  color: var(--paper);
  max-width: 22em;
}

.ct-hours__head {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.ct-hours__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(244, 239, 229, 0.16);
  border: 1px solid rgba(244, 239, 229, 0.16);
}

.ct-hours__cell {
  background: var(--slate);
  padding: 18px 16px 20px;
}

.ct-hours__val {
  font-size: clamp(1.3rem, 2.6vw, 1.75rem);
  font-weight: 600;
  color: var(--paper);
  letter-spacing: 0.01em;
}

.ct-hours__val--accent {
  color: var(--orange);
}

.ct-hours__k {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
}

.ct-hours__d {
  margin-top: 10px;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: rgba(244, 239, 229, 0.72);
}

.ct-hours__note {
  margin-top: 20px;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: rgba(244, 239, 229, 0.66);
  max-width: 62ch;
}

/* ---------- 资料纠错 ---------- */
.ct-fix {
  padding-top: clamp(34px, 5vw, 62px);
}

.ct-fix__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.ct-fix__lead {
  color: var(--mute);
  max-width: 58ch;
  margin-bottom: 22px;
}

.ct-flow {
  border-bottom: 1px solid var(--line);
}

.ct-flow__step {
  border-top: 1px solid var(--line);
}

.ct-flow__step summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  transition: color 0.2s var(--ease);
}

.ct-flow__step summary::-webkit-details-marker {
  display: none;
}

.ct-flow__step summary:hover {
  color: var(--rust);
}

.ct-flow__step summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.ct-flow__idx {
  font-size: var(--fs-sm);
  color: var(--amber);
}

.ct-flow__title {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
}

.ct-flow__sign {
  position: relative;
  width: 14px;
  height: 14px;
  flex: none;
}

.ct-flow__sign::before,
.ct-flow__sign::after {
  content: "";
  position: absolute;
  background: var(--mute);
  transition: transform 0.2s var(--ease), background 0.2s var(--ease);
}

.ct-flow__sign::before {
  top: 6px;
  left: 0;
  width: 14px;
  height: 1.5px;
}

.ct-flow__sign::after {
  top: 0;
  left: 6px;
  width: 1.5px;
  height: 14px;
}

.ct-flow__step[open] .ct-flow__sign::after {
  transform: scaleY(0);
}

.ct-flow__step[open] .ct-flow__sign::before {
  background: var(--orange);
}

.ct-flow__body {
  padding: 0 0 18px 48px;
}

.ct-flow__body p {
  font-size: 0.95rem;
  color: var(--mute);
  max-width: 60ch;
}

.ct-fix__media .media-frame__cap {
  font-size: var(--fs-xs);
  color: var(--mute);
}

/* ---------- 合作咨询 ---------- */
.ct-partner {
  padding-top: clamp(30px, 4vw, 50px);
}

.ct-partner__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  border: 1px solid var(--line);
  border-left: 4px solid var(--green);
  background: var(--card);
  padding: clamp(20px, 3.2vw, 38px);
}

.ct-partner__text p + p {
  margin-top: 12px;
}

.ct-partner__text p {
  color: var(--mute);
  max-width: 60ch;
}

.ct-partner__aside {
  background: var(--paper);
  border: 1px dashed var(--line);
  padding: 18px;
}

.ct-partner__label {
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 12px;
}

.ct-partner__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.ct-partner__list li {
  position: relative;
  padding-left: 16px;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--slate);
  border-bottom: 1px solid var(--line);
}

.ct-partner__list li:last-child {
  border-bottom: none;
}

.ct-partner__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  background: var(--orange);
}

/* ---------- 写信指南 ---------- */
.ct-fields-wrap {
  padding-top: clamp(32px, 4.5vw, 56px);
}

.ct-fields__lead {
  color: var(--mute);
  max-width: 62ch;
  margin-bottom: 22px;
}

.ct-fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.ct-field {
  border: 1px solid var(--line);
  background: var(--card);
  padding: 16px;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.ct-field:hover {
  border-color: var(--slate);
  transform: translateY(-2px);
}

.ct-field__idx {
  display: inline-block;
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  color: var(--amber);
  margin-bottom: 8px;
}

.ct-field h3 {
  font-size: 0.98rem;
}

.ct-field p {
  font-size: var(--fs-sm);
  color: var(--mute);
}

.ct-fields__note {
  margin-top: 16px;
  font-size: var(--fs-sm);
  color: var(--mute);
}

/* ---------- 常见问题 ---------- */
.ct-faq-section {
  padding-top: clamp(32px, 4.5vw, 58px);
  padding-bottom: clamp(40px, 6vw, 76px);
}

.ct-faq-section__head {
  margin-bottom: 20px;
}

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

.ct-faq__item {
  border-bottom: 1px solid var(--line);
}

.ct-faq__item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}

.ct-faq__item summary::-webkit-details-marker {
  display: none;
}

.ct-faq__item summary:hover {
  color: var(--rust);
}

.ct-faq__item summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.ct-faq__sign {
  position: relative;
  width: 12px;
  height: 12px;
  flex: none;
}

.ct-faq__sign::before,
.ct-faq__sign::after {
  content: "";
  position: absolute;
  background: var(--mute);
}

.ct-faq__sign::before {
  top: 5px;
  left: 0;
  width: 12px;
  height: 1.5px;
}

.ct-faq__sign::after {
  top: 0;
  left: 5px;
  width: 1.5px;
  height: 12px;
}

.ct-faq__item[open] .ct-faq__sign::after {
  transform: scaleY(0);
}

.ct-faq__body {
  padding: 0 0 18px;
}

.ct-faq__body p {
  font-size: 0.95rem;
  color: var(--mute);
  max-width: 64ch;
}

.ct-faq-section__more {
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
}

.ct-faq-section__more a {
  border-bottom: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .ct-hours__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .ct-legend__row {
    grid-template-columns: 56px 1fr;
  }

  .ct-legend__v--primary {
    font-size: 0.95rem;
  }
}

@media (min-width: 900px) {
  .ct-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  }

  .ct-pick__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(24px, 4vw, 52px);
  }

  .ct-fix__grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  }

  .ct-fix__media {
    position: sticky;
    top: 96px;
  }

  .ct-partner__inner {
    grid-template-columns: minmax(0, 1.3fr) minmax(260px, 0.7fr);
    gap: clamp(24px, 4vw, 48px);
  }

  .ct-hours__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .ct-fields {
    grid-template-columns: repeat(3, 1fr);
  }

  .ct-field:last-child {
    grid-column: span 1;
  }
}

@media (min-width: 1080px) {
  .ct-hero {
    padding-top: 28px;
  }

  .ct-flow__body {
    padding-left: 52px;
  }
}