.page-contact {
  --pc-gap: 20px;
  --pc-ink-soft: rgba(247, 242, 231, 0.84);
  --pc-ink-faint: rgba(247, 242, 231, 0.6);
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
}

.page-contact .pc-wrap {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: 20px;
}

/* ---------- 面包屑 ---------- */
.page-contact .ds-breadcrumb {
  padding-block: 16px 0;
}
.page-contact .ds-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-contact .ds-breadcrumb li {
  display: flex;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}
.page-contact .ds-breadcrumb li + li::before {
  content: "/";
  color: var(--copper-soft);
}
.page-contact .ds-breadcrumb a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}
.page-contact .ds-breadcrumb a:hover {
  border-bottom-color: var(--copper);
  color: var(--copper);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding-block: 28px 52px;
  border-bottom: 1px solid var(--line-soft);
}
.page-contact .pc-hero__inner {
  display: grid;
  gap: 34px;
}
.page-contact .pc-hero__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2rem, 7.6vw, 3.6rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 14px 0 18px;
}
.page-contact .pc-hero__lead {
  font-size: 17px;
  line-height: 1.9;
  color: var(--text);
  max-width: 36em;
  margin: 0;
}
.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.page-contact .pc-hero__aside {
  border-left: 3px solid var(--copper);
  padding: 2px 0 2px 18px;
}
.page-contact .pc-hero__aside-k {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin: 0 0 14px;
}
.page-contact .pc-hero__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-contact .pc-hero__list li {
  display: grid;
  gap: 3px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
}
.page-contact .pc-hero__list .ds-mono {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--copper);
}

/* ---------- 区块通用 ---------- */
.page-contact .pc-sec {
  padding-block: 52px;
}
.page-contact .pc-sec__head {
  max-width: 48em;
  margin-bottom: 32px;
}
.page-contact .pc-sec__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.5rem, 5vw, 2.3rem);
  line-height: 1.26;
  letter-spacing: -0.005em;
  color: var(--ink);
  margin: 12px 0 12px;
}
.page-contact .pc-sec__intro {
  font-size: 16px;
  line-height: 1.9;
  color: var(--muted);
  margin: 0;
}
.page-contact .ds-eyebrow--block {
  margin: 0;
}

/* ---------- 01 直达通道 ---------- */
.page-contact .pc-channels__body {
  display: grid;
  gap: 30px;
}
.page-contact .pc-channels__cards {
  display: grid;
  gap: 16px;
}
.page-contact .pc-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 22px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 240ms var(--ease);
}
.page-contact .pc-card:hover {
  border-color: var(--copper-soft);
}
.page-contact .pc-card__icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--note);
  color: var(--ink);
}
.page-contact .pc-card__kicker {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin: 0;
}
.page-contact .pc-card__value {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.32;
  margin: 2px 0 0;
  overflow-wrap: anywhere;
}
.page-contact .pc-card__value--mail {
  font-size: clamp(15px, 4.4vw, 22px);
  letter-spacing: 0.01em;
}
.page-contact .pc-card__value--phone {
  font-size: clamp(24px, 7.4vw, 32px);
  letter-spacing: 0.04em;
}
.page-contact .pc-card__value--addr {
  font-size: clamp(15px, 4.5vw, 19px);
  line-height: 1.6;
}
.page-contact .pc-card__hint {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
  margin: 0;
}
.page-contact .pc-copy {
  align-self: flex-start;
  margin-top: 4px;
  padding: 7px 15px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: border-color 200ms var(--ease), color 200ms var(--ease), background 200ms var(--ease);
}
.page-contact .pc-copy:hover {
  border-color: var(--copper);
  color: var(--copper);
}
.page-contact .pc-copy[data-copied] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}
.page-contact .pc-channels__figure {
  margin: 0;
}
.page-contact .pc-channels__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-card);
  object-fit: cover;
}
.page-contact .ds-media__caption {
  display: block;
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 02 受理时间 ---------- */
.page-contact .pc-hours {
  background: var(--ink-deep);
  color: var(--paper);
}
.page-contact .pc-hours__inner {
  display: grid;
  gap: 30px;
}
.page-contact .pc-hours__eyebrow {
  color: var(--copper-soft);
}
.page-contact .pc-hours__title {
  color: var(--paper);
}
.page-contact .pc-hours__lead {
  font-size: 16px;
  line-height: 1.9;
  color: var(--pc-ink-soft);
  margin: 0;
}
.page-contact .pc-hours__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-contact .pc-hours__list li {
  display: grid;
  gap: 6px;
  padding: 15px 0;
  border-top: 1px solid rgba(247, 242, 231, 0.16);
}
.page-contact .pc-hours__list li:last-child {
  border-bottom: 1px solid rgba(247, 242, 231, 0.16);
}
.page-contact .pc-hours__k {
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--copper-soft);
}
.page-contact .pc-hours__v {
  font-size: 15px;
  line-height: 1.75;
  color: var(--pc-ink-soft);
}
.page-contact .pc-hours__figure {
  margin: 38px 0 0;
}
.page-contact .pc-hours__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-card);
}
.page-contact .pc-hours__caption {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--pc-ink-faint);
}

/* ---------- 03 来之前先备好 ---------- */
.page-contact .pc-prepare__grid {
  display: grid;
  gap: 18px;
}
.page-contact .pc-prep {
  background: var(--card);
  border-top: 3px solid var(--copper);
  border-radius: 0 0 var(--radius-card) var(--radius-card);
  padding: 20px 20px 22px;
}
.page-contact .pc-prep__no {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--copper);
  margin: 0;
}
.page-contact .pc-prep__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  color: var(--ink);
  margin: 8px 0 14px;
}
.page-contact .pc-prep ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-contact .pc-prep li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}
.page-contact .pc-prep li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 7px;
  height: 1.5px;
  background: var(--copper-soft);
}

/* ---------- 04 合作与共建 ---------- */
.page-contact .pc-coop__items {
  border-top: 1px solid var(--line);
}
.page-contact .pc-coop__item {
  display: grid;
  gap: 8px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .pc-coop__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  margin: 0;
}
.page-contact .pc-coop__text {
  font-size: 15px;
  line-height: 1.9;
  color: var(--text);
  margin: 0;
}
.page-contact .pc-coop__foot {
  margin: 26px 0 0;
  padding: 16px 18px;
  border-left: 3px solid var(--copper);
  background: var(--card);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text);
}
.page-contact .pc-coop__foot .ds-mono {
  color: var(--ink);
  font-weight: 700;
  overflow-wrap: anywhere;
}

/* ---------- 05 在线留言 ---------- */
.page-contact .pc-message__grid {
  display: grid;
  gap: 30px;
}
.page-contact .pc-message__lead {
  font-size: 16px;
  line-height: 1.9;
  color: var(--muted);
  margin: 0 0 20px;
}
.page-contact .pc-message__note {
  display: block;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
  margin: 0;
}
.page-contact .pc-message__form {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 24px 20px;
  display: grid;
  gap: 18px;
}
.page-contact .pc-field {
  display: grid;
  gap: 8px;
}
.page-contact .pc-field label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.page-contact .pc-field input,
.page-contact .pc-field select,
.page-contact .pc-field textarea {
  width: 100%;
  box-sizing: border-box;
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--text);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 11px 13px;
  transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease);
}
.page-contact .pc-field textarea {
  resize: vertical;
  min-height: 140px;
}
.page-contact .pc-field input:focus-visible,
.page-contact .pc-field select:focus-visible,
.page-contact .pc-field textarea:focus-visible {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(30, 58, 52, 0.14);
}
.page-contact .pc-field input:not(:placeholder-shown):invalid,
.page-contact .pc-field textarea:not(:placeholder-shown):invalid,
.page-contact .pc-field select:user-invalid {
  border-color: var(--cinnabar);
}
.page-contact .pc-message__submit {
  display: grid;
  gap: 10px;
}
.page-contact .pc-message__hint {
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
  margin: 0;
}

/* ---------- 快捷入口 ---------- */
.page-contact .pc-quick {
  padding-block: 0 64px;
}
.page-contact .pc-quick__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  margin: 0 0 20px;
}
.page-contact .pc-quick__row {
  display: grid;
  gap: 12px;
}
.page-contact .pc-quick__item {
  display: grid;
  gap: 6px;
  padding: 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  text-decoration: none;
  transition: border-color 200ms var(--ease), background 200ms var(--ease);
}
.page-contact .pc-quick__item:hover,
.page-contact .pc-quick__item:focus-visible {
  border-color: var(--copper);
  background: #fffefa;
}
.page-contact .pc-quick__k {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--copper);
}
.page-contact .pc-quick__t {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ink);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-contact .pc-wrap {
    padding-inline: 32px;
  }
  .page-contact .pc-hero {
    padding-block: 38px 64px;
  }
  .page-contact .pc-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 48px;
    align-items: start;
  }
  .page-contact .pc-channels__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .pc-card--mail {
    grid-column: 1 / -1;
  }
  .page-contact .pc-prepare__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .pc-quick__row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-contact .pc-sec {
    padding-block: 80px;
  }
  .page-contact .pc-coop__item {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 36px;
    align-items: baseline;
    padding: 26px 0;
  }
  .page-contact .pc-channels__body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
    align-items: stretch;
  }
  .page-contact .pc-channels__figure {
    height: 100%;
  }
  .page-contact .pc-channels__figure img {
    height: 100%;
    min-height: 340px;
    object-fit: cover;
  }
  .page-contact .pc-hours__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 64px;
    align-items: start;
  }
  .page-contact .pc-message__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: 56px;
    align-items: start;
  }
  .page-contact .pc-message__form {
    padding: 32px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .pc-field--full,
  .page-contact .pc-message__submit {
    grid-column: 1 / -1;
  }
  .page-contact .pc-hero__title {
    max-width: 16em;
  }
}

/* ---------- 减少动态偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-card,
  .page-contact .pc-copy,
  .page-contact .pc-field input,
  .page-contact .pc-field select,
  .page-contact .pc-field textarea,
  .page-contact .pc-quick__item {
    transition: none;
  }
}