.page-contact {
  --ct-gap: clamp(20px, 3vw, 40px);
  --ct-hair: 1px solid var(--line);
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact .ct-crumbs-row {
  padding-top: clamp(18px, 3vw, 28px);
}

.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-contact .crumbs a {
  color: var(--cyan-mist);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-contact .crumbs a:hover,
.page-contact .crumbs a:focus-visible {
  color: var(--cyan);
}

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

/* ---------- 首屏 ---------- */

.page-contact .ct-hero {
  position: relative;
  padding: clamp(24px, 4vw, 48px) 0 clamp(48px, 7vw, 92px);
  overflow: hidden;
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(118deg, rgba(49, 230, 255, 0.1) 0 30%, transparent 30.3%),
    linear-gradient(118deg, transparent 66%, rgba(246, 184, 75, 0.08) 66.3%),
    repeating-linear-gradient(0deg, rgba(169, 246, 255, 0.05) 0 1px, transparent 1px 64px);
}

.page-contact .ct-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
}

.page-contact .ct-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(32px, 6vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .ct-hero__lead {
  margin: 18px 0 0;
  max-width: 52ch;
  font-size: clamp(14px, 1.4vw, 16px);
  line-height: 1.8;
  color: var(--cyan-mist);
}

.page-contact .ct-lines {
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-line {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: var(--ct-hair);
}

.page-contact .ct-line:last-child {
  border-bottom: var(--ct-hair);
}

.page-contact .ct-line__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-contact .ct-line__v {
  font-family: var(--font-mono);
  font-size: clamp(16px, 4vw, 32px);
  line-height: 1.2;
  color: var(--paper);
  overflow-wrap: anywhere;
  word-break: break-word;
  -webkit-user-select: all;
  user-select: all;
}

.page-contact .ct-line:first-child .ct-line__v {
  color: var(--cyan);
}

.page-contact .ct-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-contact .ct-hero__right {
  display: grid;
  gap: clamp(16px, 2.4vw, 22px);
  align-content: start;
}

.page-contact .ct-hero__media,
.page-contact .ct-map {
  margin: 0;
  border: 1px solid var(--line-strong);
  overflow: hidden;
}

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

.page-contact .ct-checklist {
  padding: clamp(16px, 2.4vw, 24px);
}

.page-contact .ct-checklist .panel__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .ct-checklist__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
}

.page-contact .ct-checklist__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--paper);
}

.page-contact .ct-check {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin: 3px 0 0;
  padding: 0;
  border: 1px solid var(--line-strong);
  background: transparent;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .ct-check:hover {
  border-color: var(--gold);
}

.page-contact .ct-check:checked {
  border-color: var(--cyan);
  background: rgba(49, 230, 255, 0.14);
}

.page-contact .ct-check:checked::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--cyan);
}

.page-contact .ct-check:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .ct-checklist__hint {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 回复节奏 ---------- */

.page-contact .ct-hours__grid {
  margin-top: clamp(24px, 3.5vw, 40px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .ct-hour {
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--ink-850);
  border-top: 2px solid transparent;
}

.page-contact .ct-hour--data {
  border-top-color: var(--mint);
}

.page-contact .ct-hour--warm {
  border-top-color: var(--gold);
}

.page-contact .ct-hour__time {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2vw, 19px);
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-contact .ct-hour--data .ct-hour__time {
  color: var(--mint);
}

.page-contact .ct-hour--warm .ct-hour__time {
  color: var(--gold);
}

.page-contact .ct-hour__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .ct-hour__text {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 数据反馈 ---------- */

.page-contact .ct-steps {
  margin: clamp(24px, 3.5vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  counter-reset: none;
}

.page-contact .ct-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: clamp(16px, 2.2vw, 22px);
  background: var(--ink-850);
}

.page-contact .ct-step__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--gold);
  padding-top: 2px;
}

.page-contact .ct-step__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .ct-step__text {
  margin: 7px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--slate);
}

.page-contact .ct-report__note {
  margin-top: clamp(18px, 2.6vw, 26px);
  padding: clamp(16px, 2.4vw, 24px);
  border-left: 3px solid var(--mint);
}

.page-contact .ct-report__note-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--mint);
}

.page-contact .ct-report__note-text {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--cyan-mist);
}

/* ---------- 合作与纠错 ---------- */

.page-contact .ct-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(22px, 3vw, 32px) 0 clamp(16px, 2.2vw, 22px);
}

.page-contact .ct-filter__btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 9px 14px;
  color: var(--cyan-mist);
  background: transparent;
  border: 1px solid var(--line-strong);
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .ct-filter__btn:hover,
.page-contact .ct-filter__btn:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-contact .ct-filter__btn.is-active {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
}

.page-contact .ct-coop {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .ct-coop__card {
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--ink-850);
}

.page-contact .ct-coop__card[hidden] {
  display: none;
}

.page-contact .ct-coop__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .ct-coop__text {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--slate);
}

/* ---------- 到访与邮寄 ---------- */

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

.page-contact .ct-visit__lead {
  margin: 14px 0 0;
  max-width: 54ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--cyan-mist);
}

.page-contact .ct-facts {
  margin: clamp(20px, 2.8vw, 28px) 0 0;
  display: grid;
  gap: 0;
}

.page-contact .ct-facts > div {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-top: var(--ct-hair);
}

.page-contact .ct-facts > div:last-child {
  border-bottom: var(--ct-hair);
}

.page-contact .ct-facts dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--slate);
  padding-top: 3px;
}

.page-contact .ct-facts dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .ct-visit__note {
  margin: 16px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--gold);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--amber);
}

.page-contact .ct-map {
  position: relative;
  background: var(--ink-800);
}

.page-contact .ct-map::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(49, 230, 255, 0.16) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(0deg, rgba(246, 184, 75, 0.1) 1px, transparent 1px) 0 0 / 56px 56px;
  mix-blend-mode: screen;
}

/* ---------- 继续查 ---------- */

.page-contact .ct-next__grid {
  margin-top: clamp(20px, 3vw, 32px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .ct-next__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  background: var(--ink-850);
  border-left: 2px solid transparent;
  text-decoration: none;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .ct-next__item:hover,
.page-contact .ct-next__item:focus-visible {
  background: var(--ink-800);
  border-left-color: var(--cyan);
}

.page-contact .ct-next__item span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-contact .ct-next__item strong {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .ct-next__item em {
  font-style: normal;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--slate);
}

.page-contact .ct-next__back {
  margin: clamp(22px, 3vw, 30px) 0 0;
}

.page-contact .ct-next__back .btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  padding: 11px 20px;
  border-radius: 0;
  text-decoration: none;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .ct-coop {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-next__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-contact .ct-hours__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-step {
    grid-template-columns: 56px 1fr;
    gap: 20px;
    padding: 22px clamp(20px, 2.6vw, 30px);
  }
}

@media (min-width: 900px) {
  .page-contact .ct-visit__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
}

@media (min-width: 960px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
    gap: clamp(36px, 4.5vw, 64px);
  }

  .page-contact .ct-facts > div {
    grid-template-columns: 100px 1fr;
  }
}

@media (min-width: 1100px) {
  .page-contact .ct-next__grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .page-contact .ct-line__v {
    font-size: clamp(15px, 4.4vw, 22px);
  }

  .page-contact .ct-facts > div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .page-contact .ct-facts dt {
    padding-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition-duration: 0.01ms !important;
  }
}