.page-contact {
  --contact-hair: rgba(23, 20, 18, .14);
  --contact-deep-line: rgba(247, 240, 228, .22);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(18px, 3vw, 32px) 0 clamp(34px, 5vw, 62px);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 46px);
  align-items: start;
}

.page-contact .contact-hero__intro {
  position: relative;
  padding-left: clamp(14px, 2vw, 26px);
}

.page-contact .contact-hero__intro::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--apricot), var(--coral));
}

.page-contact .contact-hero__title {
  margin: .24em 0 .3em;
  color: var(--ink);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 2.6vw, 30px);
}

.page-contact .contact-hero__media {
  margin: 0;
  border-radius: var(--radius-card);
}

.page-contact .contact-hero__log {
  margin-top: clamp(26px, 4vw, 48px);
}

/* ---------- 联系渠道 ---------- */
.page-contact .contact-desk {
  padding-top: clamp(30px, 5vw, 56px);
}

.page-contact .contact-desk__intro {
  max-width: 62ch;
}

.page-contact .contact-desk__intro .section__title {
  margin: .3em 0 .6em;
}

.page-contact .contact-desk__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 40px);
  margin-top: clamp(24px, 3.6vw, 44px);
}

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

.page-contact .contact-legend .rail-legend__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-contact .contact-legend .rail-legend__tick {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--apricot);
}

.page-contact .contact-legend .rail-legend__label {
  font-size: .92rem;
  font-weight: 600;
  color: var(--ink);
}

.page-contact .contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-contact .contact-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 3vw, 30px);
  border-radius: var(--radius-card);
}

.page-contact .contact-card__title {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: .02em;
  color: var(--ink-soft);
}

.page-contact .contact-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.02rem, 2.6vw, 1.55rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--indigo);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__value--text {
  font-size: clamp(.98rem, 2vw, 1.2rem);
}

.page-contact .contact-card__hint {
  margin: 0;
  font-size: .95rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-contact .contact-card .copy-btn {
  align-self: flex-start;
  margin-top: auto;
}

/* ---------- 故障上报 ---------- */
.page-contact .report-desk {
  padding-top: clamp(36px, 5.5vw, 68px);
}

.page-contact .report-desk__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 44px);
  margin-top: clamp(22px, 3.4vw, 40px);
}

.page-contact .report-desk__media {
  margin: 0;
  border-radius: var(--radius-card);
}

.page-contact .report-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: report;
}

.page-contact .report-steps__item {
  position: relative;
  padding: 0 0 22px 20px;
  border-left: 2px dashed var(--contact-hair);
}

.page-contact .report-steps__item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .report-steps__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .1em;
  color: var(--card);
  background: var(--indigo);
  border-radius: 6px;
  padding: 2px 8px;
  margin-bottom: 8px;
}

.page-contact .report-steps__item:first-child .report-steps__num {
  background: var(--apricot);
  color: var(--ink);
}

.page-contact .report-steps__title {
  margin: 0 0 6px;
  font-size: 1.12rem;
  color: var(--ink);
}

.page-contact .report-steps__item p {
  margin: 0;
  font-size: .96rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-contact .report-desk .alert-banner {
  margin-top: clamp(24px, 3.4vw, 40px);
}

/* ---------- 准备清单 ---------- */
.page-contact .prep-desk {
  padding-top: clamp(36px, 5.5vw, 68px);
}

.page-contact .prep-desk__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
  margin-top: clamp(22px, 3.2vw, 38px);
}

.page-contact .checklist {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .checklist__label {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--contact-hair);
  border-radius: 14px;
  background: var(--card);
  cursor: pointer;
  transition: border-color .2s ease, background-color .2s ease;
}

.page-contact .checklist__label:hover {
  border-color: var(--apricot);
}

.page-contact .checklist__box {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin: 1px 0 0;
  border: 2px solid var(--ink);
  border-radius: 6px;
  background: var(--paper);
  cursor: pointer;
}

.page-contact .checklist__box:checked {
  background: var(--lime);
  border-color: var(--indigo);
}

.page-contact .checklist__box:checked::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 6px;
  height: 11px;
  border-right: 2.5px solid var(--indigo);
  border-bottom: 2.5px solid var(--indigo);
  transform: rotate(40deg);
}

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

.page-contact .checklist__num {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--apricot);
  padding-top: 3px;
}

.page-contact .checklist__text {
  font-size: .97rem;
  line-height: 1.7;
  color: var(--ink);
  transition: color .2s ease;
}

.page-contact .checklist__box:checked ~ .checklist__text {
  color: var(--ink-soft);
}

.page-contact .prep-desk__note {
  border-radius: var(--radius-card);
}

.page-contact .prep-desk__note-title {
  margin: 0 0 10px;
  font-size: 1.05rem;
}

.page-contact .prep-desk__note p {
  margin: 0 0 12px;
  font-size: .95rem;
  line-height: 1.75;
}

.page-contact .prep-desk__note p:last-child {
  margin-bottom: 0;
}

.page-contact .prep-desk__link {
  color: var(--indigo);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .prep-desk__link:hover {
  color: var(--coral);
}

/* ---------- 折叠组通用 ---------- */
.page-contact .desk-acc {
  display: grid;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 34px);
}

.page-contact .desk-acc__item {
  border: 1px solid var(--contact-hair);
  border-radius: 16px;
  background: var(--card);
  overflow: hidden;
}

.page-contact .desk-acc__item:has(.accordion__trigger[aria-expanded="true"]) {
  border-color: var(--apricot);
}

.page-contact .desk-acc__heading {
  margin: 0;
}

.page-contact .desk-acc .accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  font: inherit;
  font-weight: 700;
  text-align: left;
  color: var(--ink);
  background: transparent;
  border: 0;
  cursor: pointer;
}

.page-contact .desk-acc .accordion__trigger::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.2rem;
  line-height: 1;
  color: var(--apricot);
}

.page-contact .desk-acc .accordion__trigger[aria-expanded="true"]::after {
  content: "−";
  color: var(--indigo);
}

.page-contact .desk-acc .accordion__trigger:hover {
  color: var(--indigo);
}

.page-contact .desk-acc .accordion__trigger:focus-visible {
  outline: 3px solid var(--apricot);
  outline-offset: -3px;
}

.page-contact .desk-acc .accordion__panel {
  padding: 0 20px 20px;
}

.page-contact .desk-acc .accordion__panel p {
  margin: 0;
  font-size: .96rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ---------- 服务时间 ---------- */
.page-contact .hours-desk {
  padding-top: clamp(36px, 5.5vw, 68px);
}

.page-contact .hours-desk__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
}

.page-contact .hours-desk__board {
  align-self: start;
  border-radius: var(--radius-card);
}

.page-contact .hours-desk__acc {
  margin-top: 0;
}

/* ---------- 运营主体与备案 ---------- */
.page-contact .operator {
  margin-top: clamp(40px, 6vw, 76px);
  padding: clamp(30px, 5vw, 62px) 0;
  background: var(--indigo);
  color: var(--paper);
  border-radius: var(--radius-card) var(--radius-card) 0 0;
}

.page-contact .operator__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 46px);
}

.page-contact .operator .kicker--light {
  color: var(--lime);
}

.page-contact .operator__title {
  margin: .3em 0 .6em;
  font-size: clamp(1.5rem, 3.6vw, 2.3rem);
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .operator__text {
  margin: 0 0 14px;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(247, 240, 228, .84);
}

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

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

.page-contact .operator__facts {
  display: grid;
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--contact-deep-line);
}

.page-contact .operator__fact {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--contact-deep-line);
}

.page-contact .operator__fact dt {
  flex: 0 0 84px;
  font-size: .86rem;
  color: rgba(247, 240, 228, .66);
}

.page-contact .operator__fact dd {
  margin: 0;
  flex: 1 1 auto;
}

.page-contact .operator__mono {
  font-family: var(--font-mono);
  font-size: .92rem;
  letter-spacing: .02em;
  color: var(--lime);
  overflow-wrap: anywhere;
}

.page-contact .operator__cta {
  justify-self: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-card--wide {
    grid-column: 1 / -1;
  }

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

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }

  .page-contact .contact-desk__body {
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .contact-legend {
    flex-direction: column;
    gap: 14px;
    position: sticky;
    top: 104px;
    padding-right: 12px;
    border-right: 2px dashed var(--contact-hair);
  }

  .page-contact .report-desk__grid {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .page-contact .prep-desk__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
    align-items: start;
  }

  .page-contact .checklist {
    grid-template-columns: 1fr;
  }

  .page-contact .hours-desk__grid {
    grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr);
    align-items: start;
  }

  .page-contact .operator__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-contact .report-desk__grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: clamp(36px, 4vw, 64px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .checklist__label,
  .page-contact .checklist__text {
    transition: none;
  }
}