.page-contact {
  --pc-hair: 1px solid rgba(16, 26, 51, 0.14);
  --pc-hair-gold: 1px solid rgba(201, 162, 39, 0.42);
  --pc-gap: clamp(18px, 3vw, 34px);
}

/* ---------- 首屏：通道面板与静物同框 ---------- */
.page-contact .contact-hero {
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(31, 122, 99, 0.34), transparent 62%),
    linear-gradient(180deg, #0B1220 0%, #101A33 100%);
  color: var(--paper);
  padding: calc(var(--header-h) + clamp(26px, 5vw, 56px)) 0 clamp(40px, 6vw, 74px);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 46px);
  align-items: end;
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  padding-left: clamp(14px, 2vw, 22px);
  border-left: 3px solid var(--jade);
  font-size: clamp(30px, 6.4vw, 50px);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
  max-width: 24ch;
}

.page-contact .contact-hero .kicker {
  color: var(--gold);
}

.page-contact .contact-hero .lede {
  margin-top: 18px;
  color: rgba(244, 237, 225, 0.78);
}

.page-contact .contact-hero .breadcrumb,
.page-contact .contact-hero .breadcrumb__link {
  color: rgba(244, 237, 225, 0.62);
}

.page-contact .contact-hero .breadcrumb__link:hover {
  color: var(--gold);
}

.page-contact .hero-facts {
  list-style: none;
  margin: clamp(26px, 4vw, 36px) 0 0;
  padding: 18px 0 0;
  border-top: var(--pc-hair-gold);
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .hero-facts__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-contact .hero-facts__label {
  display: block;
  margin-top: 4px;
  font-size: 14px;
  color: rgba(244, 237, 225, 0.68);
}

.page-contact .media__frame {
  border: var(--pc-hair-gold);
}

.page-contact .contact-hero__frame {
  aspect-ratio: 10 / 7;
  overflow: hidden;
}

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

.page-contact .contact-hero .media__cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: rgba(244, 237, 225, 0.6);
}

/* ---------- 三条通道 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: clamp(26px, 4vw, 40px);
  border-top: var(--pc-hair);
}

.page-contact .channel {
  position: relative;
  padding: 24px 0 26px;
  border-bottom: var(--pc-hair);
  transition: transform 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact .channel__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--vermillion);
}

.page-contact .channel__title {
  margin: 10px 0 0;
  font-size: 21px;
  font-weight: 800;
  color: var(--ink-brown);
}

.page-contact .channel__value {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--jade-deep);
  word-break: break-word;
}

.page-contact .channel__desc {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
}

.page-contact .channel__meta {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid rgba(201, 162, 39, 0.35);
  font-size: 13px;
  color: var(--mist);
}

/* ---------- 问题分类与材料 ---------- */
.page-contact .contact-prep__media {
  margin: clamp(24px, 4vw, 38px) 0 0;
}

.page-contact .contact-prep__frame {
  aspect-ratio: 11 / 6;
  overflow: hidden;
  border: var(--pc-hair);
}

.page-contact .contact-prep .media__cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mist);
}

.page-contact .prep-grid {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: clamp(26px, 4vw, 40px);
  border-top: var(--pc-hair);
}

.page-contact .prep-card {
  padding: 22px 0 24px;
  border-bottom: var(--pc-hair);
}

.page-contact .prep-card__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--vermillion);
}

.page-contact .prep-card h3 {
  margin: 10px 0 14px;
  font-size: 19px;
  font-weight: 800;
  color: var(--ink-brown);
}

.page-contact .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .checklist li {
  position: relative;
  margin-bottom: 9px;
  padding-left: 18px;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 9px;
  height: 1px;
  background: var(--gold);
}

/* ---------- 值守节奏（深色数据带） ---------- */
.page-contact .contact-hours {
  background: linear-gradient(180deg, #101A33 0%, #0B1220 100%);
  color: var(--paper);
}

.page-contact .contact-hours h2 {
  margin: 10px 0 0;
  padding-left: 18px;
  border-left: 3px solid var(--vermillion);
  font-size: clamp(24px, 3.8vw, 30px);
  line-height: 1.28;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .contact-hours__kicker {
  color: var(--gold);
}

.page-contact .contact-hours__text {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: rgba(244, 237, 225, 0.76);
}

.page-contact .contact-hours__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 46px);
}

.page-contact .timeline {
  list-style: none;
  margin: clamp(24px, 3.5vw, 34px) 0 0;
  padding: 18px 0 0;
  border-top: var(--pc-hair-gold);
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-contact .timeline__item {
  position: relative;
  padding: 0 0 18px 18px;
  border-left: 1px solid rgba(201, 162, 39, 0.42);
}

.page-contact .timeline__item:last-child {
  padding-bottom: 0;
}

.page-contact .timeline__item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 0.5em;
  width: 7px;
  height: 7px;
  background: var(--neon);
}

.page-contact .timeline__time {
  display: block;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-contact .timeline__label {
  display: block;
  margin-top: 4px;
  font-size: 15px;
  line-height: 1.65;
  color: rgba(244, 237, 225, 0.72);
}

.page-contact .quick-entry {
  border: var(--pc-hair-gold);
  background: rgba(244, 237, 225, 0.04);
  padding: clamp(20px, 2.6vw, 26px);
}

.page-contact .quick-entry .panel__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--gold);
}

.page-contact .entry-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.page-contact .entry-list li + li {
  border-top: 1px solid rgba(201, 162, 39, 0.24);
}

.page-contact .entry-list a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--paper);
  text-decoration: none;
  transition: color 160ms var(--ease);
}

.page-contact .entry-list a:hover {
  color: var(--gold);
}

.page-contact .entry-list a span {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mist);
  flex: none;
}

/* ---------- 内容协作 ---------- */
.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.5vw, 40px);
}

.page-contact .coop-main__text {
  margin: 16px 0 0;
  max-width: 66ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .coop-main .btn {
  margin-top: 22px;
}

.page-contact .coop-panel {
  border: var(--pc-hair);
  background: var(--paper-lift);
  padding: clamp(20px, 2.6vw, 26px);
}

.page-contact .coop-panel h3 {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink-brown);
}

.page-contact .coop-panel ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .coop-panel li {
  padding: 10px 0;
  border-top: 1px solid rgba(16, 26, 51, 0.12);
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .coop-panel li:first-child {
  border-top: none;
}

/* ---------- 寄送说明 ---------- */
.page-contact .mail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 34px);
  margin-top: clamp(24px, 3.5vw, 34px);
}

.page-contact .address-block {
  border: var(--pc-hair);
  border-left: 3px solid var(--jade);
  padding: clamp(20px, 2.6vw, 26px);
}

.page-contact .address-block__label {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--vermillion);
}

.page-contact .address-block__value {
  margin: 12px 0 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink-brown);
}

.page-contact .address-block__note {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .contact-card {
  background: var(--night);
  border: var(--pc-hair-gold);
  padding: clamp(20px, 2.6vw, 26px);
  color: var(--paper);
}

.page-contact .contact-card h3 {
  margin: 0 0 14px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-contact .contact-card dl {
  margin: 0;
}

.page-contact .contact-card dt {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .contact-card dd {
  margin: 6px 0 16px;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .contact-card dd:last-of-type {
  margin-bottom: 0;
}

.page-contact .contact-card__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(201, 162, 39, 0.3);
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 237, 225, 0.72);
}

.page-contact .contact-card__note a {
  color: var(--gold);
}

/* ---------- 收束 ---------- */
.page-contact .contact-cta__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: center;
  border-top: var(--pc-hair-gold);
  padding-top: clamp(22px, 3vw, 30px);
}

.page-contact .contact-cta__text {
  margin: 0;
  max-width: 56ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink-brown);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .hero-facts {
    grid-template-columns: repeat(3, minmax(0, auto));
    justify-content: start;
    gap: 16px 40px;
  }
}

@media (min-width: 720px) {
  .page-contact .timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .timeline__item {
    padding: 16px 16px 0 0;
    border-left: none;
    border-top: 1px solid rgba(201, 162, 39, 0.42);
  }

  .page-contact .timeline__item:last-child {
    padding-bottom: 0;
  }

  .page-contact .timeline__item::before {
    left: 0;
    top: -4px;
  }
}

@media (min-width: 900px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .channel {
    padding: 28px 28px 30px;
    border-bottom: none;
    border-right: var(--pc-hair);
  }

  .page-contact .channel:first-child {
    padding-left: 0;
  }

  .page-contact .channel:last-child {
    padding-right: 0;
    border-right: none;
  }

  .page-contact .channel:hover {
    transform: translateY(-4px);
    border-right-color: var(--vermillion);
  }

  .page-contact .prep-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .prep-card {
    padding: 26px 26px 28px;
    border-bottom: none;
    border-right: var(--pc-hair);
  }

  .page-contact .prep-card:first-child {
    padding-left: 0;
  }

  .page-contact .prep-card:last-child {
    padding-right: 0;
    border-right: none;
  }

  .page-contact .mail-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }

  .page-contact .contact-cta__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    justify-content: space-between;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-contact .contact-hours__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-contact .contact-hours__aside {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-contact .coop-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .entry-list a {
    transition: none;
  }

  .page-contact .channel:hover {
    transform: none;
  }
}