.page-contact {
  --pc-pad: clamp(20px, 5vw, 28px);
  --pc-gap: clamp(20px, 4vw, 30px);
  background: var(--paper);
  color: var(--ink-800);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 18px;
  padding-bottom: 4px;
  font-size: 13px;
  color: var(--graphite);
}
.page-contact .breadcrumb a {
  color: var(--signal-text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 160ms var(--ease);
}
.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  border-bottom-color: currentColor;
}
.page-contact .breadcrumb__sep {
  color: var(--rule);
}

/* ---------- 首屏框景 ---------- */
.page-contact .contact-hero {
  background: linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 100%);
  padding: 22px 0 30px;
}
.page-contact .contact-hero__frame {
  position: relative;
  padding: clamp(24px, 5vw, 48px) clamp(20px, 5vw, 44px) clamp(26px, 5vw, 44px);
  border: 1px solid var(--rule-ink);
  border-radius: var(--r);
  background: linear-gradient(150deg, rgba(20, 48, 79, 0.92) 0%, rgba(6, 21, 48, 0.7) 100%);
  overflow: hidden;
}
.page-contact .contact-hero__frame::before,
.page-contact .contact-hero__frame::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid var(--celadon);
  opacity: 0.66;
}
.page-contact .contact-hero__frame::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}
.page-contact .contact-hero__frame::after {
  right: -1px;
  bottom: -1px;
  border-left: 0;
  border-top: 0;
}
.page-contact .contact-hero__frame .frame__scale {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 9px;
  background-image: repeating-linear-gradient(90deg, var(--celadon) 0 1px, transparent 1px 26px);
  opacity: 0.5;
  pointer-events: none;
}
.page-contact .contact-hero__eyebrow {
  margin: 6px 0 14px;
  color: var(--signal);
}
.page-contact .contact-hero__title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(29px, 8vw, 54px);
  line-height: 1.16;
  letter-spacing: 0.01em;
  color: var(--on-ink);
  max-width: 20ch;
}
.page-contact .contact-hero__lede {
  margin: 0 0 26px;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--on-ink-soft);
}
.page-contact .contact-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-contact .contact-hero__acts .btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.page-contact .contact-hero__facts {
  margin-top: 22px;
}

/* ---------- 通道区 ---------- */
.page-contact .contact-channels {
  padding-top: clamp(38px, 7vw, 68px);
}
.page-contact .channels-figure {
  margin: 0 0 var(--pc-gap);
  border: 1px solid var(--rule);
  border-radius: var(--r);
  background: var(--card);
  overflow: hidden;
}
.page-contact .channels-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.03);
}
.page-contact .channels-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite);
  border-top: 1px solid var(--rule);
}
.page-contact .contact-channels .sec-head {
  margin-bottom: 20px;
}

.page-contact .chan-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.page-contact .chan-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 20px 26px;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--r);
  overflow: hidden;
}
.page-contact .chan-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--signal);
}
.page-contact .chan-card__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(19px, 3.4vw, 24px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink-800);
}
.page-contact .chan-card__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}
.page-contact .chan-val {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
  padding: 12px 14px;
  border: 1px dashed var(--rule);
  border-radius: var(--r);
  background: var(--paper);
}
.page-contact .chan-val__text {
  flex: 1 1 150px;
  min-width: 0;
  font-size: 14px;
  color: var(--ink-800);
  overflow-wrap: anywhere;
}
.page-contact .chan-card__foot {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--rule);
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite);
}

/* ---------- 复制按钮 ---------- */
.page-contact .pc-copy {
  flex: none;
  appearance: none;
  -webkit-appearance: none;
  min-height: 38px;
  padding: 8px 14px;
  border: 1px solid var(--signal);
  border-radius: var(--r);
  background: transparent;
  color: var(--signal-text);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: background 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}
.page-contact .pc-copy:hover,
.page-contact .pc-copy:focus-visible {
  background: var(--signal);
  color: var(--ink-900);
}
.page-contact .pc-copy[data-state] {
  background: var(--celadon);
  border-color: var(--celadon);
  color: var(--ink-900);
}
.page-contact .pc-copy--celadon {
  border-color: var(--celadon);
  color: var(--celadon);
}
.page-contact .pc-copy--celadon:hover,
.page-contact .pc-copy--celadon:focus-visible {
  background: var(--celadon);
  color: var(--ink-900);
}
.page-contact .pc-copy--solid {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--ink-900);
}
.page-contact .pc-copy--solid:hover,
.page-contact .pc-copy--solid:focus-visible {
  background: var(--signal-soft);
  border-color: var(--signal-soft);
  color: var(--signal-text);
}
.page-contact .pc-copy--ghost {
  border-color: var(--rule-ink);
  color: var(--on-ink);
}
.page-contact .pc-copy--ghost:hover,
.page-contact .pc-copy--ghost:focus-visible {
  background: var(--on-ink);
  border-color: var(--on-ink);
  color: var(--ink-900);
}

/* ---------- 章节头微调 ---------- */
.page-contact .sec-head {
  align-items: flex-start;
}
.page-contact .sec-head__num {
  color: var(--signal-text);
  font-size: 13px;
  letter-spacing: 0.14em;
}
.page-contact .sec-head__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(23px, 5.4vw, 38px);
  line-height: 1.24;
  margin: 0 0 8px;
  color: var(--ink-800);
}
.page-contact .sec-head__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
  max-width: 62ch;
}
.page-contact .sec-head__note .text-link {
  color: var(--signal-text);
}

/* ---------- 咨询准备清单 ---------- */
.page-contact .contact-prep {
  padding-top: clamp(38px, 7vw, 68px);
}
.page-contact .contact-prep .sec-head {
  margin-bottom: 22px;
}
.page-contact .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.page-contact .checklist__item {
  border: 1px solid var(--rule);
  border-radius: var(--r);
  background: var(--card);
  transition: background 200ms var(--ease), border-color 200ms var(--ease);
}
.page-contact .checklist__item:has(.checklist__box:checked) {
  border-color: rgba(47, 169, 140, 0.55);
  background: rgba(47, 169, 140, 0.09);
}
.page-contact .checklist__label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-height: 44px;
  padding: 14px 16px;
  cursor: pointer;
}
.page-contact .checklist__box {
  flex: none;
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  width: 22px;
  height: 22px;
  margin: 2px 0 0;
  border: 1.5px solid var(--rule);
  border-radius: 3px;
  background: var(--paper);
  cursor: pointer;
  transition: background 160ms var(--ease), border-color 160ms var(--ease);
}
.page-contact .checklist__box:checked {
  background: var(--celadon);
  border-color: var(--celadon);
}
.page-contact .checklist__box:checked::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 3px;
  width: 5px;
  height: 10px;
  border: solid var(--on-ink);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.page-contact .checklist__box:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}
.page-contact .checklist__text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--graphite);
}
.page-contact .checklist__key {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink-800);
}
.page-contact .checklist__item:has(.checklist__box:checked) .checklist__key {
  color: var(--celadon-text);
}

/* ---------- 报告编号核对（深色） ---------- */
.page-contact .contact-report {
  margin-top: clamp(40px, 8vw, 76px);
}
.page-contact .contact-report .sec-head__num {
  color: var(--signal);
}
.page-contact .contact-report .sec-head__title {
  color: var(--on-ink);
}
.page-contact .contact-report .sec-head__note {
  color: var(--on-ink-soft);
}
.page-contact .contact-report .sec-head {
  margin-bottom: 24px;
}
.page-contact .report-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.page-contact .report-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--rule-ink);
  border-radius: var(--r);
  background: var(--rule-ink);
  overflow: hidden;
}
.page-contact .report-steps__item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 12px;
  align-items: start;
  padding: 18px 18px 18px 20px;
  background: var(--ink-800);
}
.page-contact .report-steps__idx {
  padding-top: 2px;
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--signal);
}
.page-contact .report-steps__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--on-ink);
}
.page-contact .report-steps__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--on-ink-soft);
}
.page-contact .report-side {
  display: grid;
  gap: 18px;
}
.page-contact .report-figure {
  margin: 0;
  border: 1px solid var(--rule-ink);
  border-radius: var(--r);
  background: var(--ink-700);
  overflow: hidden;
}
.page-contact .report-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}
.page-contact .report-figure .media-frame__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--rule-ink);
  font-size: 13px;
  line-height: 1.7;
  color: var(--on-ink-soft);
}
.page-contact .codec {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 18px;
  border: 1px solid rgba(47, 169, 140, 0.5);
  border-radius: var(--r);
  background: rgba(47, 169, 140, 0.1);
}
.page-contact .codec .label-mono {
  margin: 0;
  color: var(--celadon);
}
.page-contact .codec__sample {
  margin: 0;
  font-size: clamp(20px, 5vw, 24px);
  letter-spacing: 0.07em;
  color: var(--celadon);
  overflow-wrap: anywhere;
}
.page-contact .codec__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--on-ink-soft);
}

/* ---------- 处理节奏 ---------- */
.page-contact .contact-timeline {
  padding-top: clamp(40px, 7vw, 70px);
}
.page-contact .contact-timeline .sec-head {
  margin-bottom: 24px;
}
.page-contact .timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 22px;
  border-left: 2px solid var(--rule);
  display: grid;
  gap: 22px;
}
.page-contact .timeline__item {
  position: relative;
}
.page-contact .timeline__item::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 7px;
  width: 12px;
  height: 12px;
  box-sizing: border-box;
  border: 3px solid var(--signal);
  border-radius: 50%;
  background: var(--paper);
}
.page-contact .timeline__time {
  margin: 0 0 6px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--signal-text);
}
.page-contact .timeline__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: clamp(17px, 3.6vw, 20px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink-800);
}
.page-contact .timeline__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
  max-width: 62ch;
}

/* ---------- 到访与延伸 ---------- */
.page-contact .contact-visit {
  padding-top: clamp(40px, 7vw, 70px);
}
.page-contact .contact-visit .sec-head {
  margin-bottom: 22px;
}
.page-contact .visit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.page-contact .visit-card {
  padding: 20px;
  border: 1px solid var(--rule);
  border-radius: var(--r);
  background: var(--card);
}
.page-contact .visit-card--hours {
  border-left: 4px solid var(--signal);
}
.page-contact .visit-card .label-mono {
  margin: 0 0 10px;
  color: var(--graphite);
}
.page-contact .visit-card__main {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: clamp(17px, 4vw, 21px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-800);
}
.page-contact .visit-card__main--num {
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  color: var(--signal-text);
}
.page-contact .visit-card__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--graphite);
}
.page-contact .visit-more {
  margin-top: 22px;
  padding: 18px 20px;
  border-left: 3px solid var(--celadon);
  background: rgba(47, 169, 140, 0.07);
  border-radius: 0 var(--r) var(--r) 0;
}
.page-contact .visit-more p {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-800);
}
.page-contact .visit-more .text-link {
  color: var(--celadon-text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 收束横带 ---------- */
.page-contact .contact-close {
  margin-top: clamp(40px, 7vw, 70px);
  padding: clamp(30px, 6vw, 52px) 0;
  background: linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 100%);
}
.page-contact .contact-close__inner {
  display: grid;
  gap: 22px;
}
.page-contact .contact-close__promise {
  margin: 0;
  max-width: 54ch;
  font-family: var(--font-head);
  font-size: clamp(19px, 4.6vw, 28px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--on-ink);
}
.page-contact .contact-close__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-contact .contact-close__acts .pc-copy {
  min-height: 44px;
  padding: 10px 18px;
  font-size: 13px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 768px) {
  .page-contact .chan-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-contact .checklist {
    grid-template-columns: 1fr 1fr;
  }
  .page-contact .visit-grid {
    grid-template-columns: 1.35fr 1fr;
  }
  .page-contact .contact-close__inner {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 32px;
  }
  .page-contact .contact-close__acts {
    justify-content: flex-end;
  }
}

@media (min-width: 900px) {
  .page-contact .report-layout {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 32px;
    align-items: start;
  }
  .page-contact .timeline {
    padding-left: 30px;
  }
  .page-contact .timeline__item::before {
    left: -30px;
  }
  .page-contact .contact-hero__frame {
    padding-left: clamp(34px, 4vw, 56px);
  }
}

@media (min-width: 1100px) {
  .page-contact .checklist {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-copy,
  .page-contact .checklist__item,
  .page-contact .checklist__box {
    transition: none;
  }
}
</main>