.page-contact {
  --c-fold: 16px;
  padding-bottom: 88px;
}

.page-contact .crumb-wrap {
  padding: 26px 0 0;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  gap: 26px;
  padding: 32px 0 34px;
  border-bottom: var(--line);
}

.page-contact .hero-lead .lede {
  margin: 20px 0 0;
  max-width: 34em;
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.6fr) minmax(280px, 1fr);
    gap: 64px;
    padding: 54px 0 48px;
    align-items: start;
  }
}

.page-contact .hero-direct {
  border: 1px solid var(--slate-100);
  border-top: 3px solid var(--cinnabar);
  background: var(--paper-warm);
  padding: 22px 22px 24px;
  box-shadow: var(--shade);
}

.page-contact .direct-label {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-contact .direct-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 13px 0;
  border-top: 1px solid var(--slate-100);
}

.page-contact .direct-item:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-contact .direct-key {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-contact .direct-val {
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
  word-break: break-all;
}

/* ---------- 图版 ---------- */
.page-contact .contact-plate,
.page-contact .address-plate {
  margin: 30px 0 0;
}

.page-contact .contact-plate .plate-frame,
.page-contact .address-plate .plate-frame {
  border: 1px solid var(--slate-100);
  background: var(--index-yellow);
  overflow: hidden;
}

.page-contact .contact-plate img,
.page-contact .address-plate img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 通道卡 ---------- */
.page-contact .channel-list {
  display: grid;
  gap: 22px;
  margin-top: 30px;
}

.page-contact .channel-card {
  position: relative;
  padding: 26px 22px 28px;
  background: var(--paper);
  border: 1px solid var(--slate-100);
  border-left: 3px solid var(--slate);
  box-shadow: var(--shade);
  transition: transform 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-contact .channel-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shade-lift);
}

.page-contact .channel-card--support { border-left-color: var(--bamboo); }
.page-contact .channel-card--partner { border-left-color: var(--cinnabar); }
.page-contact .channel-card--rights  { border-left-color: var(--slate); }

.page-contact .channel-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: var(--c-fold);
  height: var(--c-fold);
  background: var(--index-yellow);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
  pointer-events: none;
}

.page-contact .channel-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 14px;
}

.page-contact .channel-no {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--slate);
  background: var(--paper-warm);
  border: 1px solid var(--slate-100);
  padding: 3px 9px;
}

.page-contact .channel-sla {
  margin-left: auto;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-contact .channel-title {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .channel-body {
  margin: 0;
  max-width: 42em;
  color: var(--slate);
  line-height: 1.85;
}

.page-contact .spec-list {
  margin: 18px 0 0;
}

.page-contact .spec-list dt {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-contact .spec-list dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .channel-more {
  margin: 18px 0 0;
  font-size: 15px;
}

.page-contact .channel-more a,
.page-contact .rhythm-note a {
  color: var(--cinnabar);
  text-decoration: none;
  border-bottom: 1px solid var(--cinnabar-soft);
  padding-bottom: 2px;
}

.page-contact .channel-more a:hover,
.page-contact .rhythm-note a:hover {
  border-bottom-color: var(--cinnabar);
}

/* ---------- 节奏数字 ---------- */
.page-contact .rhythm-grid {
  display: grid;
  gap: 1px;
  margin-top: 30px;
  background: var(--slate-100);
  border: 1px solid var(--slate-100);
}

@media (min-width: 640px) {
  .page-contact .rhythm-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 980px) {
  .page-contact .rhythm-grid { grid-template-columns: repeat(3, 1fr); }
}

.page-contact .rhythm-item {
  background: var(--paper);
  padding: 26px 20px 24px;
}

.page-contact .rhythm-num {
  display: block;
  font-size: 40px;
  line-height: 1;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-contact .rhythm-item--cinnabar .rhythm-num { color: var(--cinnabar); }
.page-contact .rhythm-item--bamboo .rhythm-num { color: var(--bamboo); }

.page-contact .rhythm-unit {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-contact .rhythm-label {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.page-contact .rhythm-note {
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate);
}

/* ---------- 地址卡 ---------- */
.page-contact .address-card {
  display: grid;
  gap: 30px;
  margin-top: 30px;
}

@media (min-width: 900px) {
  .page-contact .address-card {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }
  .page-contact .address-plate {
    margin-top: 6px;
  }
}

.page-contact .address-main {
  position: relative;
  padding: 28px 24px 30px;
  background: var(--paper);
  border: 1px solid var(--slate-100);
  border-top: 3px solid var(--deep);
  box-shadow:
    8px 8px 0 -1px var(--paper-warm),
    8px 8px 0 0 var(--slate-100),
    var(--shade);
}

.page-contact .address-label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-contact .address-line {
  margin: 0 0 16px;
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
}

.page-contact .address-body {
  margin: 0;
  max-width: 34em;
  color: var(--slate);
  line-height: 1.85;
}

.page-contact .address-main .panel {
  margin-top: 20px;
}

/* ---------- 焦点与动效 ---------- */
.page-contact a:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card {
    transition: none;
  }
  .page-contact .channel-card:hover {
    transform: none;
    box-shadow: var(--shade);
  }
}