.page-contact {
  --pc-gap: clamp(16px, 3vw, 28px);
  background: var(--paper);
  color: var(--ink);
  padding-bottom: clamp(36px, 6vw, 80px);
}

.page-contact .contact-wrap {
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- 面包屑与首屏 ---------- */

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

.page-contact .contact-intro {
  padding-block: clamp(22px, 4vw, 44px) clamp(20px, 3.4vw, 34px);
  border-bottom: var(--edge);
}

.page-contact .contact-intro__kicker {
  margin: 0 0 14px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green);
}

.page-contact .contact-intro h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(29px, 5.4vw, 44px);
  line-height: 1.16;
  max-width: 17em;
  letter-spacing: 0.01em;
}

.page-contact .contact-intro .lede {
  max-width: 40em;
  margin: 0;
  color: var(--ink);
}

.page-contact .contact-intro__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin-top: 26px;
  padding-top: 18px;
  border-top: var(--edge-hair);
}

.page-contact .contact-intro__meta span {
  font-size: 14px;
  color: var(--muted);
}

.page-contact .contact-intro__meta b {
  margin-right: 7px;
  font-size: 16px;
  font-weight: 700;
  color: var(--green);
}

/* ---------- 不等宽双卡 ---------- */

.page-contact .contact-duo {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-contact .contact-card {
  border: var(--edge);
  border-radius: var(--radius);
  box-shadow: var(--hard);
  padding: clamp(20px, 3vw, 30px);
  min-width: 0;
}

.page-contact .contact-card__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(21px, 2.6vw, 26px);
  line-height: 1.3;
}

/* 主卡：深色 */
.page-contact .contact-card--main {
  background: var(--green-deep);
  color: var(--paper);
}

.page-contact .contact-card--main .contact-card__title {
  color: var(--paper);
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(244, 239, 228, 0.28);
}

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

.page-contact .channel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px 18px;
  padding-block: 18px;
  border-bottom: 1px solid rgba(244, 239, 228, 0.2);
}

.page-contact .channel:last-child {
  border-bottom: 0;
  padding-bottom: 4px;
}

.page-contact .channel__label {
  grid-column: 1 / -1;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .channel__value {
  font-size: 16px;
  line-height: 1.55;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .channel__value.mono {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.01em;
}

.page-contact .copy-btn {
  justify-self: end;
  padding: 6px 12px;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.4;
  white-space: nowrap;
  color: var(--gold);
  background: transparent;
  border: 2px solid var(--gold);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color 120ms ease, color 120ms ease;
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn[data-copied="true"] {
  background: var(--gold);
  color: var(--green-deep);
}

.page-contact .copy-btn:focus-visible {
  outline: 2px solid var(--paper);
  outline-offset: 2px;
}

.page-contact .contact-card__note {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(244, 239, 228, 0.2);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(244, 239, 228, 0.74);
}

.page-contact .contact-card__visual {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1400 / 500;
  object-fit: cover;
  margin-top: 24px;
  border: 2px solid var(--gold);
  border-radius: var(--radius);
}

/* 副卡：纠错清单 */
.page-contact .contact-card--check {
  background: var(--paper-2);
  display: flex;
  flex-direction: column;
}

.page-contact .check-figure {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 650;
  object-fit: cover;
  margin: 0 0 22px;
  border: var(--edge);
  border-radius: var(--radius);
  background: var(--board);
}

.page-contact .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .check-item {
  border-left: 3px solid var(--red);
  padding-left: 14px;
}

.page-contact .check-item__toggle {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 0 0 6px;
  font: inherit;
  text-align: left;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

.page-contact .check-item__no {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  background: var(--paper);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  transition: background-color 120ms ease, color 120ms ease, border-color 120ms ease;
}

.page-contact .check-item__toggle[aria-pressed="true"] .check-item__no {
  background: var(--up);
  border-color: var(--up);
  color: var(--paper);
}

.page-contact .check-item__toggle:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

.page-contact .check-item__title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
}

.page-contact .check-item__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .check-hint {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: var(--edge-hair);
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 窄色带：回复时段 ---------- */

.page-contact .contact-band {
  margin-top: var(--pc-gap);
  padding: clamp(20px, 3vw, 30px);
  background: var(--green);
  color: var(--paper);
  border: var(--edge);
  border-radius: var(--radius);
  box-shadow: var(--hard);
  display: grid;
  gap: 16px;
}

.page-contact .contact-band__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .contact-band__row {
  display: grid;
  gap: 16px;
}

.page-contact .contact-band__clock {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-contact .contact-band__clock .mono {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.6vw, 30px);
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-contact .contact-band__unit {
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--up);
}

.page-contact .order-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .order-list__item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
}

.page-contact .order-list__item .mono {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--gold);
}

.page-contact .contact-band__foot {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid rgba(244, 239, 228, 0.26);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(244, 239, 228, 0.76);
}

/* ---------- 口径提问 ---------- */

.page-contact .contact-ask {
  margin-top: clamp(28px, 4vw, 46px);
  padding: clamp(20px, 3vw, 28px);
  background: var(--paper-2);
  border: var(--edge);
  border-radius: var(--radius);
  box-shadow: var(--hard-sm);
  display: grid;
  gap: 20px;
}

.page-contact .contact-ask h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  line-height: 1.35;
}

.page-contact .contact-ask p {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.7;
  max-width: 44em;
}

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

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

/* ---------- 备案收束 ---------- */

.page-contact .contact-filing {
  margin-top: clamp(30px, 4.5vw, 50px);
  padding-block: 20px;
  border-top: var(--edge-hair);
  border-bottom: var(--edge-hair);
}

.page-contact .contact-filing h2 {
  margin: 0 0 12px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .contact-filing__line {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.page-contact .contact-filing__details {
  margin-bottom: 14px;
  border-left: 2px solid var(--muted);
  padding-left: 14px;
}

.page-contact .contact-filing__details summary {
  font-size: 14px;
  line-height: 1.7;
  color: var(--green);
  cursor: pointer;
  font-weight: 600;
}

.page-contact .contact-filing__details summary:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

.page-contact .contact-filing__details p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 42em;
}

.page-contact .contact-filing__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 46em;
}

.page-contact .contact-filing__note a {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-filing__note a:hover {
  color: var(--red);
}

/* ---------- 桌面栅格 ---------- */

@media (min-width: 880px) {
  .page-contact .contact-duo {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .contact-band__row {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 40px;
  }

  .page-contact .order-list {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    gap: 24px;
    justify-content: start;
  }

  .page-contact .contact-ask {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 32px;
  }

  .page-contact .contact-ask__links {
    padding-bottom: 4px;
  }
}

@media (min-width: 1080px) {
  .page-contact .contact-card--main {
    padding: clamp(26px, 3vw, 36px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .copy-btn,
  .page-contact .check-item__no {
    transition: none;
  }
}