.page-contact {
  --pc-gap: clamp(30px, 5vw, 58px);
  --pc-scope-line: var(--line);
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  margin: 20px 0 24px;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--mute);
}
.page-contact .crumbs a {
  color: var(--mute);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.page-contact .crumbs a:hover {
  color: var(--glacier);
}
.page-contact .crumbs__sep {
  margin: 0 8px;
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-bottom: clamp(24px, 4vw, 40px);
}
.page-contact .contact-hero::before {
  content: "";
  display: block;
  width: 112px;
  height: 4px;
  margin-bottom: 22px;
  background: linear-gradient(
    90deg,
    var(--red) 0 33.33%,
    var(--fir) 33.33% 66.66%,
    var(--glacier) 66.66% 100%
  );
}
.page-contact .contact-hero__eyebrow {
  margin: 0 0 16px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--fir);
}
.page-contact .contact-hero__title {
  margin: 0 0 20px;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 18em;
}
.page-contact .contact-hero__lead {
  margin: 0 0 26px;
  max-width: 46em;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--mute);
}
.page-contact .contact-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-contact .jump-link {
  display: inline-block;
  padding: 8px 15px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--glacier);
  text-decoration: none;
  background: var(--sheet);
  border: 1px solid var(--glacier);
  box-shadow: 2px 2px 0 var(--glacier-tint);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.page-contact .jump-link:hover {
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 var(--glacier-tint);
}

/* ---------- 章节骨架 ---------- */
.page-contact .contact-block {
  padding-top: var(--pc-gap);
  margin-top: var(--pc-gap);
  border-top: 1px solid var(--pc-scope-line);
}
.page-contact .contact-block .sec-head {
  margin-bottom: clamp(22px, 3.4vw, 34px);
}
.page-contact .sec-head__lead {
  max-width: 46em;
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--mute);
}

/* ---------- 01 联系方式 ---------- */
.page-contact .contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pc-scope-line);
}
.page-contact .contact-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px 16px;
  align-items: center;
  padding: 22px 0;
  border-bottom: 1px solid var(--pc-scope-line);
}
.page-contact .contact-key {
  grid-column: 1 / -1;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--fir);
}
.page-contact .contact-value {
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  overflow-wrap: anywhere;
}
.page-contact .contact-value--lg {
  font-size: clamp(1.05rem, 2.6vw, 1.5rem);
  font-weight: 700;
  letter-spacing: -0.005em;
  font-variant-numeric: tabular-nums;
}

.page-contact .copy-btn {
  justify-self: end;
  flex: none;
  padding: 8px 13px;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--glacier);
  background: var(--glacier-tint);
  border: 1px solid var(--glacier);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}
.page-contact .copy-btn:hover {
  background: var(--glacier);
  color: var(--sheet);
}
.page-contact .copy-btn[data-copied] {
  background: var(--fir);
  border-color: var(--fir);
  color: var(--sheet);
}

/* ---------- 02 写信指引 ---------- */
.page-contact .guide-layout {
  display: grid;
  gap: 30px;
}
.page-contact .steps {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-contact .steps__item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid var(--pc-scope-line);
}
.page-contact .steps__item:last-child {
  border-bottom: 1px solid var(--pc-scope-line);
}
.page-contact .steps__box {
  position: relative;
  width: 20px;
  height: 20px;
  margin: 4px 0 0;
  padding: 0;
  background: var(--sheet);
  border: 1px solid var(--mute);
  border-radius: 2px;
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-contact .steps__box:hover {
  border-color: var(--fir);
}
.page-contact .steps__item.is-done .steps__box {
  background: var(--fir);
  border-color: var(--fir);
}
.page-contact .steps__item.is-done .steps__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--sheet);
  border-bottom: 2px solid var(--sheet);
  transform: rotate(42deg);
}
.page-contact .steps__title {
  margin: 0 0 7px;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}
.page-contact .steps__body p {
  margin: 0;
  max-width: 44em;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--mute);
}
.page-contact .steps__progress {
  margin: 14px 0 0;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--fir);
  font-variant-numeric: tabular-nums;
}

.page-contact .guide-figure {
  margin: 0;
}
.page-contact .guide-note {
  margin: 26px 0 0;
  max-width: 46em;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--mute);
}
.page-contact .guide-note a {
  color: var(--glacier);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 03 处理范围 ---------- */
.page-contact .scope-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-contact .scope-item {
  display: grid;
  gap: 9px;
  padding: 22px 0;
  border-top: 1px solid var(--pc-scope-line);
}
.page-contact .scope-item:last-child {
  border-bottom: 1px solid var(--pc-scope-line);
}
.page-contact .scope-item__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}
.page-contact .scope-item__text {
  margin: 0;
  max-width: 46em;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--mute);
}
.page-contact .scope-item__link {
  justify-self: start;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--glacier);
  text-decoration: none;
  border-bottom: 1px solid var(--glacier);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-contact .scope-item__link:hover {
  color: var(--red-deep);
  border-color: var(--red-deep);
}

/* ---------- 04 服务节奏 ---------- */
.page-contact .pace-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pc-scope-line);
}
.page-contact .pace-row {
  display: grid;
  gap: 5px;
  padding: 17px 0;
  border-bottom: 1px solid var(--pc-scope-line);
}
.page-contact .pace-key {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--fir);
}
.page-contact .pace-value {
  margin: 0;
  max-width: 44em;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

/* ---------- 收束 ---------- */
.page-contact .contact-map {
  margin: var(--pc-gap) 0 0;
}
.page-contact .end-band {
  height: 7px;
  margin-top: var(--pc-gap);
  background: linear-gradient(
    90deg,
    var(--glacier) 0%,
    var(--glacier-tint) 46%,
    var(--paper) 100%
  );
}
.page-contact .to-top {
  margin-top: 22px;
}

/* ---------- 桌面端栅格 ---------- */
@media (min-width: 760px) {
  .page-contact .pace-row {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 6px 30px;
    align-items: baseline;
    padding: 19px 0;
  }
  .page-contact .contact-item {
    grid-template-columns: minmax(0, 1fr) auto;
    padding: 26px 0;
  }
}

@media (min-width: 940px) {
  .page-contact .guide-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 48px;
    align-items: start;
  }
  .page-contact .steps__progress {
    grid-column: 1;
  }
  .page-contact .guide-figure {
    grid-column: 2;
    grid-row: 1 / span 2;
    position: sticky;
    top: 96px;
  }
  .page-contact .scope-item {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 10px 30px;
    padding: 26px 0;
  }
  .page-contact .scope-item__title {
    grid-column: 1;
    grid-row: 1;
  }
  .page-contact .scope-item__text {
    grid-column: 2;
    grid-row: 1;
  }
  .page-contact .scope-item__link {
    grid-column: 2;
    grid-row: 2;
  }
}