.page-contact {
  --pc-border: 2px solid var(--ink);
  --pc-border-strong: 3px solid var(--ink);
  background: var(--mist);
  color: var(--ink);
  overflow-x: clip;
}

.page-contact a {
  color: inherit;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  padding-block: 30px 0;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-intro {
  padding-bottom: clamp(44px, 6vw, 80px);
}

.page-contact .contact-intro h1 {
  font-family: var(--font-sans);
  font-weight: 250;
  font-size: clamp(36px, 7.6vw, 72px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 20px 0 0;
  max-width: 15em;
}

.page-contact .contact-intro .lede {
  margin: 24px 0 0;
  max-width: 33em;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.72;
}

.page-contact .contact-intro__media {
  margin: clamp(32px, 5vw, 56px) 0 0;
}

.page-contact .media__frame {
  position: relative;
  display: block;
  overflow: hidden;
  border: var(--pc-border-strong);
  background: var(--turf-deep);
}

.page-contact .media__frame--wide {
  aspect-ratio: 16 / 9;
}

.page-contact .media__frame--tight {
  aspect-ratio: 3 / 2;
}

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

.page-contact .media__frame--wide .media__img,
.page-contact .media__frame--tight .media__img {
  height: 100%;
  aspect-ratio: inherit;
}

.page-contact .media__cap {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: rgba(11, 26, 22, 0.6);
}

/* ---------- 01 渠道总览 ---------- */
.page-contact .contact-channels {
  padding-block: clamp(8px, 2vw, 20px) clamp(48px, 6vw, 80px);
}

.page-contact .contact-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 34px;
}

.page-contact .channel-card {
  position: relative;
  background: var(--paper);
  border: var(--pc-border);
  box-shadow: var(--shadow-soft);
  padding: 0 22px 24px;
  transition: border-color 140ms var(--ease), box-shadow 140ms var(--ease),
    transform 140ms var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  border-color: var(--score);
  box-shadow: var(--shadow-score);
  transform: translate(-2px, -2px);
}

.page-contact .channel-card__band {
  display: block;
  height: 6px;
  margin: 0 -22px 22px;
  background: var(--turf);
}

.page-contact .channel-card--phone .channel-card__band {
  background: var(--score);
}

.page-contact .channel-card--addr .channel-card__band {
  background: var(--amber);
}

.page-contact .channel-card__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--turf-deep);
  margin: 0 0 8px;
}

.page-contact .channel-card__title {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin: 0 0 16px;
  color: var(--ink);
}

.page-contact .channel-card__value {
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.45;
  margin: 0 0 14px;
  color: var(--score);
  overflow-wrap: anywhere;
}

.page-contact .channel-card--phone .channel-card__value,
.page-contact .channel-card--addr .channel-card__value {
  font-size: 21px;
}

.page-contact .channel-card--addr .channel-card__value {
  line-height: 1.5;
}

.page-contact .channel-card__desc {
  font-size: 15px;
  line-height: 1.72;
  margin: 0;
  color: rgba(11, 26, 22, 0.78);
}

.page-contact .channel-card__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--turf-deep);
}

/* ---------- 02 数据纠错 ---------- */
.page-contact .contact-fix {
  padding-block: clamp(48px, 6vw, 80px);
  border-top: 4px solid var(--ink);
}

.page-contact .contact-fix__wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 38px;
}

.page-contact .fix-steps {
  margin-top: 32px;
}

.page-contact .fix-step {
  border-top: 2px solid var(--line);
  margin-top: -2px;
}

.page-contact .fix-step:last-of-type {
  border-bottom: 2px solid var(--line);
}

.page-contact .fix-step__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 18px 6px;
  cursor: pointer;
  list-style: none;
}

.page-contact .fix-step__summary::-webkit-details-marker {
  display: none;
}

.page-contact .fix-step__summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--turf);
  transition: color 120ms var(--ease);
}

.page-contact .fix-step[open] .fix-step__summary::after {
  content: "−";
  color: var(--score);
}

.page-contact .fix-step__summary:hover::after,
.page-contact .fix-step__summary:focus-visible::after {
  color: var(--score);
}

.page-contact .fix-step__summary:focus-visible {
  outline: 2px solid var(--score);
  outline-offset: 3px;
}

.page-contact .fix-step__num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  line-height: 1;
  color: var(--score);
}

.page-contact .fix-step__title {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}

.page-contact .fix-step__body {
  padding: 0 6px 20px 46px;
}

.page-contact .fix-step__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(11, 26, 22, 0.78);
}

.page-contact .fix-outcome {
  margin: 28px 0 0;
  padding: 20px 22px;
  background: var(--paper);
  border-left: 5px solid var(--turf);
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(11, 26, 22, 0.84);
}

.page-contact .contact-fix__aside {
  display: grid;
  gap: 22px;
  align-content: start;
}

.page-contact .fix-aside-note {
  background: var(--turf-deep);
  color: var(--mist);
  padding: 24px 22px;
  border: var(--pc-border);
}

.page-contact .fix-aside-note__title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--turf-light);
  margin: 0 0 12px;
}

.page-contact .fix-aside-note p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(237, 242, 238, 0.9);
}

/* ---------- 03 合作与共建 ---------- */
.page-contact .contact-coop {
  padding-block: clamp(48px, 6vw, 84px);
  background: var(--paper);
  border-top: 4px solid var(--ink);
}

.page-contact .coop-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 34px;
}

.page-contact .coop-item {
  position: relative;
  background: var(--mist);
  border: var(--pc-border);
  padding: 30px 22px 24px;
  transition: border-color 140ms var(--ease), box-shadow 140ms var(--ease),
    transform 140ms var(--ease);
}

.page-contact .coop-item::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: var(--turf);
}

.page-contact .coop-item--cup::before {
  background: var(--cup);
}

.page-contact .coop-item--review::before {
  background: var(--review);
}

.page-contact .coop-item:hover {
  border-color: var(--score);
  box-shadow: var(--shadow-score);
  transform: translate(-2px, -2px);
}

.page-contact .coop-item__title {
  font-size: 21px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
}

.page-contact .coop-item__text {
  font-size: 15px;
  line-height: 1.78;
  margin: 0 0 20px;
  color: rgba(11, 26, 22, 0.8);
}

.page-contact .coop-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-contact .coop-item__tags li {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 5px 10px;
  border: 1px solid var(--line-strong);
  color: var(--turf-deep);
}

.page-contact .coop-cta {
  margin: 32px 0 0;
  max-width: 58em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(11, 26, 22, 0.8);
}

.page-contact .coop-cta__link {
  color: var(--turf);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  transition: color 120ms var(--ease);
}

.page-contact .coop-cta__link:hover {
  color: var(--score);
}

/* ---------- 04 回复节奏 ---------- */
.page-contact .contact-timing {
  background: var(--turf-deep);
  color: var(--mist);
  padding-block: clamp(48px, 6vw, 84px);
  border-top: 4px solid var(--ink);
}

.page-contact .contact-timing .section-head__title {
  color: var(--mist);
}

.page-contact .contact-timing .section-head__text {
  color: rgba(237, 242, 238, 0.82);
}

.page-contact .contact-timing .eyebrow {
  color: var(--turf-light);
}

.page-contact .contact-timing .eyebrow::before {
  background: var(--turf-light);
}

.page-contact .timing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 34px;
}

.page-contact .timing-card {
  border: 2px solid rgba(237, 242, 238, 0.34);
  background: rgba(237, 242, 238, 0.06);
  padding: 24px 20px;
  transition: border-color 140ms var(--ease), background-color 140ms var(--ease);
}

.page-contact .timing-card:hover {
  border-color: var(--amber);
  background: rgba(237, 242, 238, 0.13);
}

.page-contact .timing-card__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--turf-light);
  margin: 0 0 16px;
}

.page-contact .timing-card__value {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 14px;
  font-size: 15px;
  color: var(--mist);
}

.page-contact .timing-card__value .num {
  font-family: var(--font-mono);
  font-size: 44px;
  font-weight: 600;
  line-height: 1;
  color: var(--score);
  letter-spacing: -0.02em;
}

.page-contact .timing-card__unit {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: rgba(237, 242, 238, 0.86);
}

.page-contact .timing-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(237, 242, 238, 0.8);
}

.page-contact .timing-advice {
  margin-top: 36px;
  background: var(--mist);
  color: var(--ink);
  border: var(--pc-border-strong);
  box-shadow: 6px 6px 0 var(--amber);
  padding: 26px 24px 28px;
}

.page-contact .timing-advice__title {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 18px;
}

.page-contact .timing-advice__list {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 11px;
}

.page-contact .timing-advice__list li {
  list-style: square;
  font-size: 15px;
  line-height: 1.76;
  color: rgba(11, 26, 22, 0.84);
}

/* ---------- 05 邮件订阅 ---------- */
.page-contact .contact-subscribe {
  padding-block: clamp(48px, 6vw, 88px);
  border-top: 4px solid var(--ink);
}

.page-contact .contact-subscribe__wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}

.page-contact .contact-subscribe__title {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.14;
  margin: 18px 0 20px;
}

.page-contact .contact-subscribe__body > p {
  margin: 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(11, 26, 22, 0.82);
}

.page-contact .contact-subscribe code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: var(--turf-deep);
  background: rgba(30, 122, 76, 0.12);
  padding: 1px 6px;
  overflow-wrap: anywhere;
}

.page-contact .sub-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 30px;
}

.page-contact .sub-action {
  background: var(--paper);
  border: 2px solid var(--line-strong);
  padding: 20px 18px 22px;
  transition: border-color 140ms var(--ease), box-shadow 140ms var(--ease);
}

.page-contact .sub-action:hover {
  border-color: var(--score);
  box-shadow: var(--shadow-soft);
}

.page-contact .sub-action__title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--score);
  margin: 0 0 12px;
}

.page-contact .sub-action__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(11, 26, 22, 0.8);
}

.page-contact .contact-subscribe__aside {
  background: var(--paper);
  border: 3px solid var(--turf);
  box-shadow: var(--shadow-soft);
  padding: 26px 24px;
}

.page-contact .contact-subscribe__aside-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--turf-deep);
  margin: 0 0 14px;
}

.page-contact .contact-subscribe__aside p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(11, 26, 22, 0.82);
}

.page-contact .contact-subscribe__aside a {
  color: var(--turf);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  transition: color 120ms var(--ease);
}

.page-contact .contact-subscribe__aside a:hover {
  color: var(--score);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-channels__grid {
    gap: 20px;
  }

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

@media (min-width: 760px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-contact .coop-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .contact-fix__wrap {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 52px;
    align-items: start;
  }

  .page-contact .contact-subscribe__wrap {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 52px;
    align-items: start;
  }

  .page-contact .fix-step__body {
    padding-left: 52px;
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-intro h1 {
    max-width: 14em;
  }

  .page-contact .channel-card__value {
    font-size: 18px;
  }

  .page-contact .channel-card--phone .channel-card__value {
    font-size: 24px;
  }

  .page-contact .channel-card--addr .channel-card__value {
    font-size: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .coop-item,
  .page-contact .sub-action,
  .page-contact .timing-card,
  .page-contact .fix-step__summary::after {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .coop-item:hover {
    transform: none;
  }
}