.page-contact {
  background: var(--paper);
  color: var(--graphite);
  font-family: var(--font-ui);
  -webkit-font-smoothing: antialiased;
}

.page-contact .ct-crumb {
  padding-top: 16px;
}

.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-contact .breadcrumb a {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-contact .breadcrumb__sep {
  color: var(--mist);
}

.page-contact .breadcrumb__here {
  color: var(--black);
}

/* ---------- 首屏 ---------- */

.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  margin-top: 16px;
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
  background: linear-gradient(180deg, var(--paper-mist) 0%, var(--paper) 94%);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(30, 90, 255, 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30, 90, 255, 0.08) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 84%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 84%);
  pointer-events: none;
}

.page-contact .ct-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
  padding-top: 36px;
  padding-bottom: 40px;
}

.page-contact .eyebrow {
  display: inline-block;
  margin: 0 0 14px;
  padding-bottom: 5px;
  border-bottom: 2px solid var(--cyan);
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--blue);
}

.page-contact .ct-hero h1 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 50px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--black);
}

.page-contact .ct-hero__lead {
  margin: 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--graphite);
}

.page-contact .ct-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-hero__chip {
  padding: 6px 12px;
  border: 1px solid var(--hair);
  background: rgba(255, 255, 255, 0.76);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-contact .ct-hero__figure {
  margin: 0;
  border: 1px solid var(--hair);
  background: var(--white);
  box-shadow: 0 1px 0 rgba(16, 27, 51, 0.05);
}

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

/* ---------- 双栏骨架 ---------- */

.page-contact .ct-split {
  padding-top: 44px;
  padding-bottom: 8px;
}

.page-contact .ct-split__inner {
  display: grid;
  gap: 32px;
}

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

.page-contact .ct-sec {
  margin-bottom: 44px;
}

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

.page-contact .ct-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 4px 12px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--hair);
}

.page-contact .ct-head__no {
  font-size: 13px;
  color: var(--blue);
}

.page-contact .ct-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 23px;
  font-weight: 900;
  line-height: 1.32;
  color: var(--black);
}

.page-contact .ct-head__note {
  grid-column: 2;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 问题类型切换 ---------- */

.page-contact .ct-question {
  display: grid;
  gap: 18px;
}

.page-contact .ct-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-contact .ct-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.page-contact .ct-tab {
  position: relative;
  flex: none;
  padding: 10px 16px 10px 18px;
  border: 1px solid var(--hair);
  background: var(--white);
  color: var(--graphite);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
  white-space: nowrap;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .ct-tab::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  bottom: 7px;
  width: 3px;
  background: transparent;
  transition: background var(--dur) var(--ease);
}

.page-contact .ct-tab:hover {
  border-color: var(--mist);
  color: var(--ink);
}

.page-contact .ct-radio:nth-of-type(1):checked ~ .ct-tabs > .ct-tab:nth-child(1),
.page-contact .ct-radio:nth-of-type(2):checked ~ .ct-tabs > .ct-tab:nth-child(2),
.page-contact .ct-radio:nth-of-type(3):checked ~ .ct-tabs > .ct-tab:nth-child(3),
.page-contact .ct-radio:nth-of-type(4):checked ~ .ct-tabs > .ct-tab:nth-child(4) {
  border-color: var(--blue);
  background: var(--paper);
  color: var(--black);
}

.page-contact .ct-radio:nth-of-type(1):checked ~ .ct-tabs > .ct-tab:nth-child(1)::before,
.page-contact .ct-radio:nth-of-type(2):checked ~ .ct-tabs > .ct-tab:nth-child(2)::before,
.page-contact .ct-radio:nth-of-type(3):checked ~ .ct-tabs > .ct-tab:nth-child(3)::before,
.page-contact .ct-radio:nth-of-type(4):checked ~ .ct-tabs > .ct-tab:nth-child(4)::before {
  background: var(--cyan);
}

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

.page-contact .ct-panel {
  display: none;
}

.page-contact .ct-radio:nth-of-type(1):checked ~ .ct-panels > .ct-panel:nth-child(1),
.page-contact .ct-radio:nth-of-type(2):checked ~ .ct-panels > .ct-panel:nth-child(2),
.page-contact .ct-radio:nth-of-type(3):checked ~ .ct-panels > .ct-panel:nth-child(3),
.page-contact .ct-radio:nth-of-type(4):checked ~ .ct-panels > .ct-panel:nth-child(4) {
  display: block;
  animation: ct-panel-in 200ms var(--ease) both;
}

@keyframes ct-panel-in {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-contact .ct-panel {
  padding: 20px;
  border: 1px solid var(--hair);
  background: var(--white);
}

.page-contact .ct-panel h3 {
  margin: 0 0 10px;
  font-family: var(--font-ui);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--black);
}

.page-contact .ct-panel p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--graphite);
}

.page-contact .ct-tag {
  display: inline-block;
  margin-top: 2px;
  padding: 4px 10px;
  border: 1px solid rgba(0, 229, 195, 0.55);
  background: rgba(0, 229, 195, 0.12);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink);
}

/* ---------- 准备清单 ---------- */

.page-contact .ct-need-grid {
  display: grid;
  gap: 24px;
}

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

.page-contact .ct-need__item {
  position: relative;
  border: 1px solid var(--hair);
  background: var(--white);
  transition: border-color var(--dur) var(--ease);
}

.page-contact .ct-need__item:hover {
  border-color: var(--mist);
}

.page-contact .ct-need__box {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-contact .ct-need__label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
}

.page-contact .ct-need__mark {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 3px;
  border: 1px solid var(--mist);
  background: var(--white);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .ct-need__mark::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 6px;
  height: 10px;
  border-right: 2px solid var(--white);
  border-bottom: 2px solid var(--white);
  transform: rotate(40deg) scale(0.6);
  opacity: 0;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .ct-need__box:checked + .ct-need__label .ct-need__mark {
  background: var(--blue);
  border-color: var(--blue);
}

.page-contact .ct-need__box:checked + .ct-need__label .ct-need__mark::after {
  opacity: 1;
  transform: rotate(40deg) scale(1);
}

.page-contact .ct-need__box:focus-visible + .ct-need__label .ct-need__mark {
  outline: 2px solid var(--blue-2);
  outline-offset: 2px;
}

.page-contact .ct-need__body {
  display: block;
  min-width: 0;
}

.page-contact .ct-need__no {
  display: block;
  margin-bottom: 3px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--blue);
}

.page-contact .ct-need__name {
  display: block;
  margin-bottom: 3px;
  font-size: 15px;
  font-weight: 700;
  color: var(--black);
}

.page-contact .ct-need__desc {
  display: block;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

.page-contact .ct-need__figure {
  margin: 0;
  border: 1px solid var(--hair);
  background: var(--paper-mist);
}

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

.page-contact .ct-need__cap {
  padding: 10px 12px;
  border-top: 1px solid var(--hair);
  background: var(--white);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--slate);
}

.page-contact .ct-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 24px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--hair);
  list-style: none;
}

.page-contact .ct-links a {
  font-size: 13px;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

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

/* ---------- 联系信息卡 ---------- */

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

.page-contact .ct-card {
  border: 1px solid var(--hair);
  background: var(--white);
  box-shadow: 0 8px 26px rgba(16, 27, 51, 0.07);
}

.page-contact .ct-card__head {
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--hair);
  background: linear-gradient(180deg, var(--paper-mist), var(--white));
}

.page-contact .ct-card__head .eyebrow {
  margin-bottom: 8px;
  font-size: 11px;
}

.page-contact .ct-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 900;
  color: var(--black);
}

.page-contact .ct-card__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 5px 10px;
  padding: 15px 20px;
  border-bottom: 1px solid var(--hair);
}

.page-contact .ct-card__row--plain {
  align-items: start;
}

.page-contact .ct-card__key {
  grid-column: 1 / -1;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--blue);
}

.page-contact .ct-card__val {
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.01em;
  color: var(--ink);
  word-break: break-all;
}

.page-contact .ct-card__val--tel {
  font-size: 20px;
  letter-spacing: 0.03em;
}

.page-contact .ct-card__addr {
  grid-column: 1 / -1;
  padding: 12px 14px;
  border: 1px solid var(--hair);
  background:
    linear-gradient(90deg, rgba(169, 192, 255, 0.14) 1px, transparent 1px) 0 0 / 14px 14px,
    linear-gradient(180deg, rgba(169, 192, 255, 0.14) 1px, transparent 1px) 0 0 / 14px 14px,
    var(--paper);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .ct-copy {
  flex: none;
  padding: 6px 11px;
  border: 1px solid var(--hair);
  background: var(--paper);
  color: var(--slate);
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .ct-copy:hover {
  color: var(--blue);
  border-color: var(--blue);
}

.page-contact .ct-copy[data-copied] {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
}

.page-contact .ct-card__hours {
  margin: 0;
  padding: 14px 20px;
  border-bottom: 1px solid var(--hair);
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

.page-contact .ct-card__tip {
  margin: 0;
  padding: 14px 20px 18px 18px;
  border-left: 3px solid var(--cyan);
  font-size: 13px;
  line-height: 1.75;
  color: var(--graphite);
}

/* ---------- 回复方式 ---------- */

.page-contact .ct-reply {
  margin-top: 40px;
  background:
    linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  color: var(--paper-mist);
}

.page-contact .ct-reply__inner {
  padding-top: 44px;
  padding-bottom: 44px;
}

.page-contact .ct-head--dark {
  border-bottom-color: var(--hair-invert);
}

.page-contact .ct-head--dark .ct-head__no {
  color: var(--cyan);
}

.page-contact .ct-head--dark .ct-head__title {
  color: var(--white);
}

.page-contact .ct-head--dark .ct-head__note {
  color: var(--mist);
}

.page-contact .ct-steps {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 2px 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--hair-invert);
}

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

.page-contact .ct-step__no {
  grid-row: span 2;
  font-size: 20px;
  line-height: 1.25;
  color: var(--cyan);
}

.page-contact .ct-step__title {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}

.page-contact .ct-step__desc {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 站点与备案 ---------- */

.page-contact .ct-meta {
  background: var(--paper-mist);
  border-bottom: 1px solid var(--hair);
}

.page-contact .ct-meta__inner {
  display: grid;
  gap: 22px;
  padding-top: 36px;
  padding-bottom: 38px;
}

.page-contact .ct-meta__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
  color: var(--black);
}

.page-contact .ct-meta__copy p {
  margin: 0 0 10px;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--graphite);
}

.page-contact .ct-meta__legal {
  font-size: 13px;
  color: var(--slate);
}

.page-contact .ct-meta__legal a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

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

.page-contact .ct-meta__icp {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  align-self: start;
  padding: 14px 16px;
  border: 1px solid var(--hair);
  background: var(--white);
}

.page-contact .ct-meta__key {
  flex: 1 0 100%;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--blue);
}

.page-contact .ct-meta__val {
  font-size: 15px;
  color: var(--ink);
}

/* ---------- 断点 ---------- */

@media (min-width: 640px) {
  .page-contact .ct-hero__inner {
    padding-top: 44px;
    padding-bottom: 48px;
  }

  .page-contact .ct-head__title {
    font-size: 26px;
  }

  .page-contact .ct-panel {
    padding: 24px 26px;
  }

  .page-contact .ct-need {
    gap: 12px;
  }

  .page-contact .ct-meta__icp {
    justify-self: start;
    min-width: 320px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: center;
    gap: 48px;
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .page-contact .ct-need-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 32px;
    align-items: start;
  }

  .page-contact .ct-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 48px;
  }

  .page-contact .ct-step:nth-last-child(2) {
    border-bottom: 0;
  }

  .page-contact .ct-meta__inner {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 40px;
    align-items: start;
    padding-top: 44px;
    padding-bottom: 46px;
  }

  .page-contact .ct-split {
    padding-top: 56px;
  }
}

@media (min-width: 1024px) {
  .page-contact .ct-split__inner {
    grid-template-columns: minmax(0, 1fr) 368px;
    gap: 52px;
    align-items: start;
  }

  .page-contact .ct-card {
    position: sticky;
    top: calc(var(--cmd-h) + 20px);
  }

  .page-contact .ct-question {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-contact .ct-tabs {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-contact .ct-tab {
    white-space: normal;
  }

  .page-contact .ct-head__title {
    font-size: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-panel {
    animation: none;
  }

  .page-contact .ct-tab,
  .page-contact .ct-tab::before,
  .page-contact .ct-copy,
  .page-contact .ct-need__mark,
  .page-contact .ct-need__mark::after {
    transition: none;
  }
}