.page-contact {
  --ct-panel: #0E1E3E;
  --ct-line: rgba(53, 214, 255, 0.28);
  --ct-text-soft: #C9D6EF;
  background: var(--ink);
  color: var(--ice);
  font-family: var(--sans);
  line-height: 1.8;
  overflow-x: hidden;
}

.page-contact h1,
.page-contact h2 {
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1.14;
}

.page-contact p {
  margin: 0;
}

.page-contact a {
  color: inherit;
}

/* 面包屑 */
.page-contact .ct-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: clamp(18px, 3vw, 34px);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .ct-crumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

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

/* 首屏 */
.page-contact .ct-hero {
  padding: clamp(20px, 4vw, 44px) 0 clamp(40px, 6vw, 76px);
  border-bottom: 2px solid var(--tactic);
}

.page-contact .ct-hero__split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .ct-hero__copy h1 {
  font-size: clamp(32px, 7.2vw, 66px);
  font-weight: 900;
  margin: 16px 0 18px;
}

.page-contact .ct-hero__lead {
  font-size: clamp(15.5px, 2.1vw, 18px);
  color: var(--ct-text-soft);
  max-width: 62ch;
}

.page-contact .ct-channels {
  list-style: none;
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-channel {
  display: grid;
  gap: 4px;
  padding: 14px 18px;
  background: rgba(11, 24, 52, 0.85);
  border-left: 3px solid var(--lime);
}

.page-contact .ct-channel__label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .ct-channel__value {
  font-family: var(--mono);
  font-size: clamp(15px, 2.3vw, 20px);
  font-weight: 600;
  color: var(--lime);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .ct-channel__note {
  font-size: 13.5px;
  color: var(--mist);
  line-height: 1.65;
}

.page-contact .ct-hero__media {
  margin: 0;
  position: relative;
  aspect-ratio: 16 / 11;
  overflow: hidden;
}

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

/* 章节通用 */
.page-contact .ct-sec {
  padding: clamp(46px, 7vw, 92px) 0;
}

.page-contact .ct-sec--alt {
  background: linear-gradient(180deg, rgba(11, 24, 52, 0.9) 0%, rgba(5, 11, 30, 0.6) 100%);
  border-top: 2px solid var(--tactic);
  border-bottom: 2px solid var(--tactic);
}

.page-contact .ct-head {
  display: grid;
  gap: 10px;
  max-width: 780px;
  margin-bottom: clamp(24px, 3.6vw, 46px);
}

.page-contact .ct-num {
  font-family: var(--mono);
  font-size: clamp(28px, 4.4vw, 50px);
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
  letter-spacing: 0.04em;
}

.page-contact .ct-sec__title {
  font-size: clamp(23px, 3.6vw, 40px);
  font-weight: 900;
}

.page-contact .ct-sec__desc {
  color: var(--mist);
  font-size: clamp(15px, 2vw, 17px);
  max-width: 66ch;
}

/* 咨询分类 */
.page-contact .ct-cats {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.page-contact .ct-cat {
  border: var(--edge) solid var(--tactic);
  background: linear-gradient(180deg, rgba(18, 48, 95, 0.55) 0%, rgba(11, 24, 52, 0.92) 100%);
  transition: border-color 0.24s ease, box-shadow 0.24s ease;
}

.page-contact .ct-cat[open] {
  border-color: var(--lime);
  box-shadow: var(--shadow-lime);
}

.page-contact .ct-cat summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .ct-cat summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -2px;
}

.page-contact .ct-cat__idx {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-contact .ct-cat__name {
  font-size: clamp(19px, 2.4vw, 23px);
  font-weight: 800;
}

.page-contact .ct-cat__toggle {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist);
  border: 1px solid var(--tactic);
  padding: 3px 9px;
  white-space: nowrap;
}

.page-contact .ct-cat[open] .ct-cat__toggle {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}

.page-contact .ct-cat__body {
  display: grid;
  gap: 12px;
  padding: 16px 20px 22px;
  border-top: 1px solid var(--ct-line);
  color: var(--ct-text-soft);
  font-size: 15.5px;
}

.page-contact .ct-cat__sub {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-contact .ct-cat__body ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  color: var(--mist);
  font-size: 15px;
}

.page-contact .ct-cat__body li::marker {
  color: var(--cyan);
}

/* 表单说明 */
.page-contact .ct-submit {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.6vw, 44px);
}

.page-contact .ct-submit__media {
  margin: 0;
  align-self: start;
}

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

.page-contact .ct-submit__panel {
  display: grid;
  gap: 14px;
}

.page-contact .ct-panel__title {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .ct-fields {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-field {
  display: grid;
  gap: 4px;
  padding: 12px 16px;
  background: rgba(5, 11, 30, 0.72);
  border: 2px solid var(--tactic);
  border-left-width: 4px;
  border-left-color: var(--cyan);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-contact .ct-field:hover,
.page-contact .ct-field:focus-within {
  border-color: var(--amber);
  box-shadow: 0 0 0 2px rgba(255, 122, 41, 0.22);
}

.page-contact .ct-field__name {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--ice);
}

.page-contact .ct-field__desc {
  font-size: 15px;
  color: var(--mist);
  line-height: 1.65;
}

/* 步骤条 */
.page-contact .ct-steps {
  list-style: none;
  margin: clamp(28px, 4vw, 48px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.page-contact .ct-step {
  display: grid;
  gap: 8px;
  padding-top: 16px;
  border-top: 2px solid var(--tactic);
  position: relative;
}

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 42px;
  height: 2px;
  background: var(--grad-line);
}

.page-contact .ct-step__no {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--lime);
}

.page-contact .ct-step__title {
  font-weight: 800;
  font-size: 17px;
}

.page-contact .ct-step__text {
  font-size: 15px;
  color: var(--mist);
  line-height: 1.7;
}

/* 回复时效 */
.page-contact .ct-metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.page-contact .ct-metric {
  padding: 22px;
  background: var(--stand);
  border: var(--edge) solid var(--tactic);
  box-shadow: var(--shadow-soft);
}

.page-contact .ct-metric__num {
  display: block;
  font-family: var(--mono);
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  color: var(--lime);
  letter-spacing: -0.01em;
}

.page-contact .ct-metric__label {
  display: block;
  margin-top: 8px;
  font-size: 15px;
  color: var(--mist);
  line-height: 1.7;
}

/* 到访与路线 */
.page-contact .ct-visit {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.6vw, 44px);
}

.page-contact .ct-visit__info {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-contact .ct-addr {
  font-family: var(--mono);
  font-size: clamp(15px, 2.2vw, 18px);
  color: var(--ice);
  border-left: 4px solid var(--cyan);
  padding-left: 16px;
  line-height: 1.7;
}

.page-contact .ct-fold {
  border: var(--edge) solid var(--tactic);
  background: rgba(11, 24, 52, 0.75);
}

.page-contact .ct-fold summary {
  cursor: pointer;
  padding: 14px 18px;
  font-size: 15.5px;
  font-weight: 700;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

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

.page-contact .ct-fold summary::before {
  content: "+";
  font-family: var(--mono);
  font-size: 16px;
  color: var(--lime);
}

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

.page-contact .ct-fold summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -2px;
}

.page-contact .ct-fold__body {
  display: grid;
  gap: 10px;
  padding: 0 18px 18px;
  border-top: 1px solid var(--ct-line);
  margin-top: 2px;
  padding-top: 14px;
  font-size: 15px;
  color: var(--mist);
}

.page-contact .ct-route {
  width: 100%;
  height: auto;
  display: block;
  background: rgba(11, 24, 52, 0.7);
  border: var(--edge) solid var(--tactic);
}

.page-contact .ct-route__river {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 16;
  opacity: 0.32;
}

.page-contact .ct-route__road {
  fill: none;
  stroke: var(--tactic);
  stroke-width: 10;
}

.page-contact .ct-route__dot {
  fill: var(--lime);
  stroke: var(--ink);
  stroke-width: 3;
}

.page-contact .ct-route__label {
  fill: var(--ice);
  font-family: var(--mono);
  font-size: 13px;
}

.page-contact .ct-route__note {
  fill: var(--mist);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

/* 常见入口 */
.page-contact .ct-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.page-contact .ct-link {
  display: grid;
  gap: 8px;
  padding: 20px;
  text-decoration: none;
  background: rgba(11, 24, 52, 0.78);
  border: var(--edge) solid var(--tactic);
  transition: border-color 0.24s ease, transform 0.24s ease, box-shadow 0.24s ease;
}

.page-contact .ct-link:hover,
.page-contact .ct-link:focus-visible {
  border-color: var(--lime);
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}

.page-contact .ct-link__name {
  font-size: 18px;
  font-weight: 800;
}

.page-contact .ct-link__desc {
  font-size: 15px;
  color: var(--mist);
  line-height: 1.7;
}

.page-contact .ct-link__more {
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lime);
}

/* 结尾渐变带 */
.page-contact .ct-cta {
  padding: clamp(40px, 6vw, 72px) 0;
  border-top: 2px solid var(--tactic);
}

.page-contact .ct-cta__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
  align-items: center;
}

.page-contact .ct-cta__text h2 {
  font-size: clamp(22px, 3.2vw, 34px);
  font-weight: 900;
}

.page-contact .ct-cta__text p {
  margin-top: 10px;
  color: var(--ct-text-soft);
  max-width: 56ch;
}

.page-contact .ct-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 平板与桌面 */
@media (min-width: 760px) {
  .page-contact .ct-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .ct-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .ct-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .ct-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-contact .ct-hero__split {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: end;
  }
  .page-contact .ct-submit {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
  }
  .page-contact .ct-visit {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }
  .page-contact .ct-cta__inner {
    grid-template-columns: minmax(0, 1.15fr) auto;
  }
  .page-contact .ct-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .page-contact .ct-hero__media {
    aspect-ratio: 14 / 10;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-link,
  .page-contact .ct-cat,
  .page-contact .ct-field {
    transition: none;
  }
  .page-contact .ct-link:hover,
  .page-contact .ct-link:focus-visible {
    transform: none;
  }
}