.page-contact {
  --ct-muted: #3a5560;
  --ct-deep: #2c4650;
  background: var(--paper-50);
  color: var(--ink-900);
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

.page-contact a:focus-visible,
.page-contact summary:focus-visible {
  outline: 3px solid var(--rape-500);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-contact .ct-crumb {
  padding-top: clamp(14px, 2.6vw, 26px);
  padding-bottom: clamp(10px, 2vw, 18px);
}

.page-contact .gz-section {
  padding: clamp(38px, 6.4vw, 84px) 0;
}

.page-contact .gz-section__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--brick-600);
}

.page-contact .gz-section__title {
  margin: 0;
  font-size: clamp(23px, 3.2vw, 34px);
  line-height: 1.24;
  letter-spacing: -0.015em;
  color: var(--sky-700);
}

.page-contact .ct-head {
  display: grid;
  gap: 10px;
  max-width: 60ch;
}

.page-contact .ct-head__lede {
  margin: 0;
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.78;
  color: var(--ct-muted);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  background: var(--sky-100);
  padding: clamp(26px, 4.6vw, 60px) 0 clamp(36px, 6vw, 74px);
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .ct-hero__eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sky-700);
}

.page-contact .ct-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(27px, 4.4vw, 52px);
  line-height: 1.14;
  letter-spacing: -0.022em;
  color: var(--sky-700);
  text-wrap: balance;
}

.page-contact .ct-hero__lede {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--ct-deep);
}

.page-contact .ct-channels {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-channel {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 16px 18px 16px 24px;
  border-radius: var(--radius-m);
  background: var(--paper-50);
}

.page-contact .ct-channel::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 16px;
  bottom: 16px;
  width: 3px;
  border-radius: 3px;
  background: var(--rape-500);
}

.page-contact .ct-channel__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--sky-700);
}

.page-contact .ct-channel__value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(16px, 2.6vw, 23px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink-900);
  overflow-wrap: anywhere;
}

.page-contact .ct-channel__use {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ct-muted);
}

.page-contact .ct-hero__figure {
  margin: 0;
}

.page-contact .ct-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-l);
  object-fit: cover;
}

.page-contact .ct-hero__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.07em;
  color: var(--sky-700);
}

@media (min-width: 900px) {
  .page-contact .ct-hero {
    background: linear-gradient(104deg, var(--sky-100) 0%, var(--sky-100) 54%, var(--paper-50) 54%, var(--paper-50) 100%);
  }

  .page-contact .ct-hero__grid {
    grid-template-columns: 1.12fr 0.88fr;
    align-items: center;
  }
}

/* ---------- 页内索引条 ---------- */
.page-contact .ct-index {
  background: var(--sky-700);
}

.page-contact .ct-index__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  padding-top: 12px;
  padding-bottom: 12px;
}

.page-contact .ct-index__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 13px;
  border-radius: var(--pill);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 13px;
  text-decoration: none;
  transition: background var(--dur) var(--ease);
}

.page-contact .ct-index__item span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--rape-500);
}

.page-contact .ct-index__item:hover,
.page-contact .ct-index__item:focus-visible {
  background: rgba(255, 255, 255, 0.24);
}

/* ---------- 01 通道总览 ---------- */
.page-contact .ct-routes {
  display: grid;
  gap: 16px;
  margin-top: clamp(24px, 3.5vw, 40px);
}

.page-contact .ct-route {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 30px);
  border-radius: var(--radius-l);
}

.page-contact .ct-route--mail {
  background: var(--sky-700);
  color: #fff;
}

.page-contact .ct-route--phone {
  background: var(--sky-100);
}

.page-contact .ct-route--post {
  background: var(--rape-200);
}

.page-contact .ct-route__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--sky-700);
}

.page-contact .ct-route--mail .ct-route__label {
  color: var(--rape-200);
}

.page-contact .ct-route__value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(16px, 2.3vw, 22px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--ink-900);
  overflow-wrap: anywhere;
}

.page-contact .ct-route--mail .ct-route__value {
  color: #fff;
}

.page-contact .ct-route__value--sm {
  font-size: clamp(15px, 1.9vw, 18px);
}

.page-contact .ct-route__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ct-muted);
}

.page-contact .ct-route--mail .ct-route__desc {
  color: rgba(255, 255, 255, 0.86);
}

@media (min-width: 740px) {
  .page-contact .ct-routes {
    grid-template-columns: 1.3fr 1fr;
  }

  .page-contact .ct-route--post {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1060px) {
  .page-contact .ct-routes {
    grid-template-columns: 1.32fr 1fr 1fr;
  }

  .page-contact .ct-route--post {
    grid-column: auto;
  }
}

/* ---------- 02 响应时段 ---------- */
.page-contact .ct-metrics {
  display: grid;
  gap: 16px;
  margin-top: clamp(24px, 3.5vw, 40px);
}

.page-contact .ct-metric {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: clamp(22px, 3vw, 36px);
  border-radius: var(--radius-xl);
}

.page-contact .ct-metric--blue {
  background: var(--sky-700);
  color: #fff;
}

.page-contact .ct-metric--gold {
  background: var(--rape-500);
  color: var(--ink-900);
}

.page-contact .ct-metric__num {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(28px, 4.4vw, 46px);
  line-height: 1;
  letter-spacing: -0.03em;
}

.page-contact .ct-metric__num small {
  margin-left: 6px;
  font-family: var(--font-head);
  font-size: 0.36em;
  font-weight: 700;
  letter-spacing: 0;
}

.page-contact .ct-metric__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  opacity: 0.92;
}

.page-contact .ct-metric__desc {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.78;
}

.page-contact .ct-metric--blue .ct-metric__desc {
  color: rgba(255, 255, 255, 0.88);
}

.page-contact .ct-metric--gold .ct-metric__desc {
  color: #4a3a05;
}

.page-contact .ct-response__note {
  margin-top: clamp(20px, 3vw, 32px);
  padding: 18px 22px;
  border-left: 4px solid var(--brick-600);
  border-radius: var(--radius-m);
  background: var(--paper-50);
  box-shadow: inset 0 0 0 1px var(--line-300);
}

.page-contact .ct-response__note-title {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--sky-700);
}

.page-contact .ct-response__note-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ct-muted);
}

@media (min-width: 760px) {
  .page-contact .ct-metrics {
    grid-template-columns: 1fr 1fr;
  }
}

/* ---------- 03 数据纠错 ---------- */
.page-contact .ct-fix__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .ct-steps {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
}

.page-contact .ct-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-300);
}

.page-contact .ct-step:last-child {
  border-bottom: 0;
}

.page-contact .ct-step__idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 26px;
  padding: 0 9px;
  border-radius: var(--pill);
  background: var(--sky-100);
  color: var(--sky-700);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.page-contact .ct-step__title {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--sky-700);
}

.page-contact .ct-step__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ct-muted);
}

.page-contact .ct-fix__tip {
  display: inline-block;
  margin-top: 20px;
  padding: 9px 15px;
  border-radius: var(--pill);
  background: var(--rape-200);
  color: var(--brick-600);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.5;
}

.page-contact .ct-fix__figure {
  margin: 0;
}

.page-contact .ct-fix__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-l);
  object-fit: cover;
}

.page-contact .ct-fix__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--sky-700);
}

@media (min-width: 900px) {
  .page-contact .ct-fix__grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
  }
}

/* ---------- 04 内容合作 ---------- */
.page-contact .ct-partner {
  background: var(--sky-100);
}

.page-contact .ct-partner__grid {
  display: grid;
  gap: clamp(20px, 3.4vw, 38px);
  margin-top: clamp(24px, 3.5vw, 40px);
}

.page-contact .ct-regions {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-contact .ct-region {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "dots name"
    "dots meta";
  gap: 2px 14px;
  padding: 14px 18px;
  border-radius: var(--radius-m);
  background: var(--paper-50);
}

.page-contact .ct-region__dots {
  grid-area: dots;
  display: flex;
  flex-direction: column;
  gap: 4px;
  justify-content: center;
}

.page-contact .ct-region__dots i {
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sky-700);
}

.page-contact .ct-region__dots i:nth-child(2) {
  background: var(--rape-500);
}

.page-contact .ct-region__dots i:nth-child(3) {
  background: var(--brick-600);
}

.page-contact .ct-region__name {
  grid-area: name;
  font-size: 16px;
  font-weight: 700;
  color: var(--sky-700);
}

.page-contact .ct-region__meta {
  grid-area: meta;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ct-muted);
}

.page-contact .ct-partner__ask {
  padding: clamp(20px, 2.8vw, 30px);
  border-radius: var(--radius-l);
  background: var(--paper-50);
}

.page-contact .ct-partner__ask-title {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--sky-700);
}

.page-contact .ct-partner__list {
  margin: 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ct-muted);
}

.page-contact .ct-details {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line-300);
}

.page-contact .ct-details__summary {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--sky-700);
}

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

.page-contact .ct-details__summary::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--sky-100);
  color: var(--sky-700);
  font-size: 14px;
  line-height: 1;
}

.page-contact .ct-details[open] .ct-details__summary::before {
  content: "−";
}

.page-contact .ct-details__list {
  margin: 12px 0 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ct-muted);
}

.page-contact .ct-details__list li + li {
  margin-top: 8px;
}

.page-contact .ct-details__list strong {
  color: var(--sky-700);
}

@media (min-width: 900px) {
  .page-contact .ct-partner__grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

/* ---------- 05 通信地址 ---------- */
.page-contact .ct-addr__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .ct-addr__line {
  margin: 16px 0 12px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(17px, 2.3vw, 25px);
  line-height: 1.42;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-contact .ct-addr__desc {
  margin: 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--ct-muted);
}

.page-contact .ct-coord {
  padding: clamp(16px, 2.4vw, 24px);
  border-radius: var(--radius-l);
  background: var(--sky-100);
}

.page-contact .ct-coord__canvas {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-m);
  background-color: var(--paper-50);
  background-image:
    linear-gradient(to right, rgba(159, 200, 212, 0.6) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(159, 200, 212, 0.6) 1px, transparent 1px);
  background-size: 34px 34px;
  overflow: hidden;
}

.page-contact .ct-coord__canvas::before {
  content: "";
  position: absolute;
  left: 62%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--brick-600);
  opacity: 0.45;
}

.page-contact .ct-coord__canvas::after {
  content: "";
  position: absolute;
  top: 40%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--brick-600);
  opacity: 0.45;
}

.page-contact .ct-coord__pin {
  position: absolute;
  left: 62%;
  top: 40%;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--rape-500);
  box-shadow: 0 0 0 7px rgba(243, 198, 63, 0.3);
  transform: translate(-50%, -50%);
}

.page-contact .ct-legend {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .ct-legend__item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--ct-deep);
}

.page-contact .ct-legend__dot {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--sky-700);
}

.page-contact .ct-legend__dot--gold {
  background: var(--rape-500);
}

.page-contact .ct-legend__dot--line {
  background: transparent;
  border: 1.5px solid var(--line-300);
}

.page-contact .ct-legend__dot--brick {
  background: var(--brick-600);
}

@media (min-width: 900px) {
  .page-contact .ct-addr__grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

/* ---------- 收束块 ---------- */
.page-contact .ct-signoff {
  background: var(--paper-50);
  padding: clamp(30px, 5vw, 70px) 0 clamp(26px, 4vw, 56px);
}

.page-contact .ct-signoff__inner {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  padding: clamp(26px, 4vw, 52px);
  border-radius: var(--radius-xl);
  background: var(--sky-700);
  color: #fff;
}

.page-contact .ct-signoff__title {
  margin: 0 0 10px;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.26;
  letter-spacing: -0.012em;
  color: #fff;
}

.page-contact .ct-signoff__desc {
  margin: 0;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.86);
}

.page-contact .ct-signoff__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
}

.page-contact .ct-signoff__link {
  color: rgba(255, 255, 255, 0.92);
  font-size: 14px;
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .ct-signoff__link:hover,
.page-contact .ct-signoff__link:focus-visible {
  color: var(--rape-200);
  border-color: var(--rape-200);
}

@media (min-width: 820px) {
  .page-contact .ct-signoff__inner {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }
}