.page-contact {
  min-height: 60vh;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: clip;
}

.page-contact *,
.page-contact *::before,
.page-contact *::after {
  box-sizing: border-box;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-top {
  padding: 22px 0 46px;
}

.page-contact .contact-top__split {
  display: grid;
  gap: 30px;
  margin-top: 26px;
}

.page-contact h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.95rem, 6vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 15em;
}

.page-contact .lede {
  margin: 18px 0 0;
  max-width: 36em;
  color: var(--moss);
}

.page-contact .contact-slip {
  background: var(--char);
  color: var(--cream);
  border: 3px solid var(--char);
  box-shadow: 6px 6px 0 var(--coral);
  padding: 20px 18px 22px;
}

.page-contact .contact-slip__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.06rem;
  letter-spacing: 0.02em;
  color: var(--lime);
}

.page-contact .contact-slip__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .contact-slip__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  align-items: baseline;
  font-size: 0.92rem;
  line-height: 1.65;
  color: #E6E0CF;
  border-top: 1px solid var(--moss);
  padding-top: 12px;
}

.page-contact .contact-slip__list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .contact-slip .tag {
  flex: 0 0 auto;
}

/* ---------- 章节通用 ---------- */

.page-contact .contact-flow {
  padding: 46px 0 54px;
  border-top: 3px solid var(--char);
}

.page-contact .contact-channels,
.page-contact .contact-siteinfo {
  padding: 48px 0 56px;
}

.page-contact .contact-channels {
  background: var(--ink);
  color: var(--cream);
  border-top: 3px solid var(--char);
  border-bottom: 3px solid var(--char);
}

.page-contact .contact-cadence {
  padding: 48px 0 52px;
  background: var(--cream);
}

.page-contact .contact-siteinfo {
  background: var(--char);
  color: var(--cream);
  border-top: 3px solid var(--moss);
}

.page-contact .contact-channels .section-index,
.page-contact .contact-siteinfo .section-index {
  color: var(--lime);
}

.page-contact .contact-channels .section-title,
.page-contact .contact-siteinfo .section-title {
  color: var(--cream);
}

.page-contact .contact-channels .section-note,
.page-contact .contact-siteinfo .section-note {
  color: var(--mute);
}

.page-contact .figure {
  margin: 28px 0 0;
}

.page-contact .figure--inline {
  margin: 0;
}

/* ---------- 步骤序列 ---------- */

.page-contact .contact-flow__split {
  display: grid;
  gap: 30px;
  margin-top: 32px;
}

.page-contact .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--char);
}

.page-contact .step-list__item {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-bottom: 2px solid var(--char);
}

.page-contact .step-list__no {
  display: grid;
  place-items: center;
  width: 52px;
  height: 40px;
  background: var(--char);
  color: var(--cream);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.06em;
}

.page-contact .step-list__body h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.16rem;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-contact .step-list__body p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--moss);
  max-width: 36em;
}

/* ---------- 字段清单面板 ---------- */

.page-contact .contact-flow__side {
  background: var(--panel);
  color: var(--cream);
  border: 3px solid var(--char);
  box-shadow: var(--hard-shadow);
  padding: 22px 20px 24px;
}

.page-contact .checklist__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--lime);
  letter-spacing: 0.02em;
}

.page-contact .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 15px;
}

.page-contact .checklist__item {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-contact .checklist__box {
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 6px;
  border: 2px solid var(--lime);
}

.page-contact .checklist__box::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--lime);
}

.page-contact .checklist__key {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--cream);
}

.page-contact .checklist__val {
  margin: 3px 0 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--mute);
}

.page-contact .side-note {
  margin: 20px 0 0;
  padding: 12px 0 0 14px;
  border-top: 1px solid var(--moss);
  border-left: 3px solid var(--coral);
  font-size: 0.87rem;
  line-height: 1.72;
  color: #C8D6CB;
}

/* ---------- 渠道卡片 ---------- */

.page-contact .channel-cards {
  display: grid;
  gap: 22px;
  margin-top: 32px;
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 20px 24px;
  background: var(--panel);
  border: 2px solid var(--moss);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--lime);
}

.page-contact .channel-card--line::before {
  background: var(--gold);
}

.page-contact .channel-card__label {
  margin: 6px 0 0;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--mute);
}

.page-contact .channel-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: 0.01em;
  color: var(--cream);
}

.page-contact .channel-card__text {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: #C6D4CA;
  max-width: 34em;
}

.page-contact .copyline {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  align-items: baseline;
  margin: auto 0 0;
  padding: 12px 14px;
  border: 2px dashed var(--moss);
  background: rgba(200, 255, 77, 0.07);
}

.page-contact .copyline__key {
  flex: 0 0 auto;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--lime);
}

.page-contact .copyline__val {
  font-family: var(--font-mono);
  font-size: 0.94rem;
  color: var(--cream);
  user-select: all;
  word-break: break-all;
}

.page-contact .contact-facts {
  display: grid;
  gap: 10px;
  margin: auto 0 0;
}

.page-contact .contact-facts__row {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-top: 10px;
  border-top: 1px solid var(--moss);
}

.page-contact .contact-facts__row:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .contact-facts dt {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  line-height: 1.9;
  color: var(--gold);
}

.page-contact .contact-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--cream);
  user-select: all;
  word-break: break-word;
}

/* ---------- 处理节奏 ---------- */

.page-contact .contact-cadence__grid {
  display: grid;
  gap: 32px;
  margin-top: 30px;
}

.page-contact .contact-cadence__text p {
  margin: 0 0 16px;
  max-width: 34em;
  font-size: 0.98rem;
  line-height: 1.86;
  color: var(--moss);
}

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

.page-contact .contact-cadence__text strong {
  font-weight: 700;
  color: var(--ink);
  border-bottom: 2px solid var(--coral);
}

.page-contact .contact-cadence__text a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-contact .contact-cadence__text a:hover,
.page-contact .contact-cadence__text a:focus-visible {
  background: var(--coral);
  color: var(--cream);
  text-decoration: none;
}

/* ---------- 站点与备案 ---------- */

.page-contact .siteinfo-grid {
  display: grid;
  gap: 0;
  margin: 30px 0 0;
}

.page-contact .siteinfo-row {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid var(--moss);
}

.page-contact .siteinfo-row dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  line-height: 1.9;
  color: var(--gold);
}

.page-contact .siteinfo-row dd {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.7;
  color: var(--cream);
  word-break: break-word;
}

.page-contact .siteinfo-row dd.is-mono {
  font-family: var(--font-mono);
  user-select: all;
}

.page-contact .siteinfo-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}

.page-contact .siteinfo-links a {
  display: inline-block;
  padding: 9px 14px;
  border: 2px solid var(--moss);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: background var(--dur) linear, color var(--dur) linear,
    border-color var(--dur) linear, transform var(--dur) linear;
}

.page-contact .siteinfo-links a:hover,
.page-contact .siteinfo-links a:focus-visible {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--char);
  transform: translate(-1px, -1px);
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-contact .siteinfo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 36px;
  }
}

@media (min-width: 860px) {
  .page-contact .channel-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }

  .page-contact .channel-card {
    padding: 28px 24px 26px;
  }
}

@media (min-width: 940px) {
  .page-contact .contact-top {
    padding: 28px 0 60px;
  }

  .page-contact .contact-top__split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
    align-items: start;
    margin-top: 34px;
  }

  .page-contact .contact-flow__split {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 46px;
    align-items: start;
  }

  .page-contact .contact-cadence__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 52px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .siteinfo-links a {
    transition: none;
  }

  .page-contact .siteinfo-links a:hover,
  .page-contact .siteinfo-links a:focus-visible {
    transform: none;
  }
}