.page-contact {
  --pc-axis-inset: clamp(1rem, 2.5vw, 1.85rem);
  background: var(--paper);
  color: var(--ink);
  padding-bottom: clamp(3rem, 9vw, 7rem);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-masthead {
  position: relative;
  overflow: hidden;
  padding-block: calc(var(--header-h) + clamp(2.5rem, 7vw, 4.5rem)) clamp(1.5rem, 4vw, 2.75rem);
}

.page-contact .contact-masthead::before {
  content: "";
  position: absolute;
  inset: -25% -10% auto -10%;
  height: 160%;
  background: linear-gradient(108deg,
    transparent 30%,
    rgba(240, 194, 100, .20) 44%,
    rgba(217, 164, 65, .07) 54%,
    transparent 68%);
  pointer-events: none;
  z-index: 0;
  animation: pc-light-in 600ms var(--ease) both;
}

@keyframes pc-light-in {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: translateX(0); }
}

.page-contact .masthead-inner { position: relative; z-index: 1; }

.page-contact .masthead-kicker {
  display: flex;
  align-items: center;
  gap: .8rem;
  margin: 0 0 1.5rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .22em;
  color: var(--ink-soft);
}

.page-contact .masthead-kicker::before {
  content: "";
  width: clamp(1.75rem, 4vw, 3rem);
  height: 1px;
  background: var(--cinnabar);
}

.page-contact .masthead-title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(2rem, 6.4vw, 3.75rem);
  line-height: 1.18;
  letter-spacing: .005em;
  color: var(--ink);
  margin: 0 0 1.35rem;
  max-width: 22ch;
}

.page-contact .masthead-lede {
  margin: 0 0 1.85rem;
  max-width: 46rem;
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-contact .masthead-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ---------- 三条渠道 ---------- */
.page-contact .contact-channels {
  padding-block: clamp(2.25rem, 5.5vw, 4rem);
}

.page-contact .channels-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3.5rem);
}

.page-contact .plate-stack {
  position: relative;
  padding-left: var(--pc-axis-inset);
}

.page-contact .plate-stack::before {
  content: "";
  position: absolute;
  left: 0;
  top: .3rem;
  bottom: .3rem;
  width: 1px;
  background: linear-gradient(180deg, var(--cinnabar) 0%, var(--rule) 28%, var(--rule) 100%);
}

.page-contact .plate {
  position: relative;
  background: var(--paper-edge);
  border: 1px solid var(--rule);
  box-shadow: inset 0 0 0 1px rgba(246, 241, 231, .78);
  padding: clamp(1.35rem, 3.2vw, 2.1rem);
  margin-bottom: 1.15rem;
}

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

.page-contact .plate::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--pc-axis-inset));
  top: 2rem;
  width: var(--pc-axis-inset);
  height: 1px;
  background: var(--cinnabar);
}

.page-contact .plate-head {
  display: flex;
  align-items: center;
  gap: .7rem;
  margin-bottom: .95rem;
}

.page-contact .plate-glyph {
  flex: none;
  width: 22px;
  height: 22px;
  color: var(--cinnabar);
}

.page-contact .plate-kind {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .2em;
  color: var(--ink-soft);
}

.page-contact .plate-value {
  margin: 0 0 .9rem;
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 2.6vw, 1.55rem);
  line-height: 1.45;
  letter-spacing: .01em;
  color: var(--ink);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .plate-value--tel {
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  letter-spacing: .03em;
}

.page-contact .plate-value--addr {
  font-family: var(--font-sans);
  font-size: clamp(.98rem, 1.9vw, 1.12rem);
  line-height: 1.8;
  letter-spacing: .01em;
}

.page-contact .plate-value a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.page-contact .plate-value a:hover {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

.page-contact .plate-value a:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 3px;
}

.page-contact .plate-note {
  margin: 0 0 1.15rem;
  max-width: 44rem;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-contact .plate-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

.page-contact .copy-btn {
  padding: .5rem .95rem;
  background: transparent;
  border: 1px solid var(--cinnabar);
  color: var(--cinnabar);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .12em;
  cursor: pointer;
  transition: background var(--fast) var(--ease), color var(--fast) var(--ease);
}

.page-contact .copy-btn:hover {
  background: var(--cinnabar);
  color: var(--paper);
}

.page-contact .copy-btn:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 3px;
}

.page-contact .channel-aside { margin-top: .35rem; }

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

.page-contact .channel-figure img,
.page-contact .hours-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border: 1px solid var(--rule);
  object-fit: cover;
  background: var(--paper-edge);
}

.page-contact .channel-cap {
  margin: .8rem 0 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  line-height: 1.75;
  letter-spacing: .05em;
  color: var(--ink-soft);
}

/* ---------- 服务时段 ---------- */
.page-contact .contact-hours {
  padding-block: clamp(2.25rem, 5.5vw, 4rem);
  background: var(--paper-edge);
  border-block: 1px solid var(--rule);
}

.page-contact .hour-scale {
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  max-width: 52rem;
}

.page-contact .hour-days { margin: 0 0 .9rem; }

.page-contact .hour-track {
  position: relative;
  height: 14px;
  border: 1px solid var(--rule);
  background: rgba(246, 241, 231, .8);
  overflow: hidden;
}

.page-contact .hour-on {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--cinnabar) 0%, #c9704f 100%);
}

.page-contact .hour-labels {
  position: relative;
  height: 1.3rem;
  margin-top: .55rem;
}

.page-contact .hour-label {
  position: absolute;
  top: 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--ink-soft);
  transform: translateX(-50%);
}

.page-contact .hour-label:nth-child(1) { left: 0; transform: none; }
.page-contact .hour-label:nth-child(2) { left: 33.333%; }
.page-contact .hour-label:nth-child(3) { left: 66.666%; }
.page-contact .hour-label:nth-child(4) { left: 100%; transform: translateX(-100%); }

.page-contact .hour-caption {
  margin: 1.1rem 0 0;
  font-size: .93rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-contact .hours-figure { margin: clamp(2rem, 5vw, 3rem) 0 0; }

/* ---------- 提问前的准备 ---------- */
.page-contact .contact-prep {
  padding-block: clamp(2.5rem, 6vw, 4.25rem);
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: clamp(1rem, 3vw, 2.25rem);
  row-gap: .4rem;
  padding: clamp(1.3rem, 3vw, 2rem) 0;
  border-bottom: 1px solid var(--rule);
}

.page-contact .prep-num {
  grid-row: 1 / span 2;
  padding-top: .35rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--cinnabar);
}

.page-contact .prep-title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .prep-text {
  margin: 0;
  max-width: 44rem;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

/* ---------- 常见咨询类型 ---------- */
.page-contact .contact-topics {
  padding-block: clamp(1.5rem, 4vw, 2.75rem);
}

.page-contact .topic-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.page-contact .topic {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .7rem;
  padding: clamp(1.25rem, 3vw, 1.8rem);
  background: var(--paper);
  border: 1px solid var(--rule);
}

.page-contact .topic::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
}

.page-contact .topic:nth-child(1)::after { background: var(--cinnabar); }
.page-contact .topic:nth-child(2)::after { background: var(--celadon); }
.page-contact .topic:nth-child(3)::after { background: var(--amber); }

.page-contact .topic-title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.15rem;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .topic-text {
  flex: 1;
  margin: 0;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-contact .topic-link {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--cinnabar);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--fast) var(--ease);
}

.page-contact .topic-link:hover { border-bottom-color: var(--cinnabar); }

.page-contact .topic-link:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 3px;
}

/* ---------- 主体与备案 ---------- */
.page-contact .contact-legal {
  padding-block: clamp(2rem, 5vw, 3.5rem);
}

.page-contact .legal-panel {
  background: var(--indigo);
  color: var(--paper);
  padding: clamp(1.6rem, 4vw, 2.75rem);
  border: 1px solid #16212a;
}

.page-contact .legal-title {
  margin: 0 0 1.4rem;
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(1.35rem, 3.2vw, 1.9rem);
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .legal-rows {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-contact .legal-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .25rem;
  padding: .9rem 0;
  border-bottom: 1px solid rgba(246, 241, 231, .16);
}

.page-contact .legal-row:first-child {
  border-top: 1px solid rgba(246, 241, 231, .16);
}

.page-contact .legal-key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: rgba(246, 241, 231, .62);
}

.page-contact .legal-value {
  margin: 0;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .legal-value--mono {
  font-family: var(--font-mono);
  letter-spacing: .06em;
}

.page-contact .legal-note {
  margin: 1.4rem 0 0;
  font-size: .88rem;
  line-height: 1.8;
  color: rgba(246, 241, 231, .66);
}

/* ---------- 后续路径 ---------- */
.page-contact .contact-next {
  padding-block: clamp(2.5rem, 6vw, 4rem);
}

.page-contact .next-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .next-link {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  column-gap: 1rem;
  row-gap: .3rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--rule);
  color: inherit;
  text-decoration: none;
  transition: color var(--fast) var(--ease);
}

.page-contact .next-list li:first-child .next-link {
  border-top: 1px solid var(--rule);
}

.page-contact .next-link:hover { color: var(--cinnabar); }

.page-contact .next-link:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 3px;
}

.page-contact .next-num {
  padding-top: .3rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .12em;
  color: var(--cinnabar);
}

.page-contact .next-label {
  font-family: var(--font-serif);
  font-size: 1.08rem;
  line-height: 1.5;
}

.page-contact .next-desc {
  grid-column: 2;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-contact .next-foot {
  margin: 1.85rem 0 0;
  font-size: .9rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-contact .next-foot a {
  color: var(--cinnabar);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .legal-row {
    grid-template-columns: 9rem minmax(0, 1fr);
    gap: 1.5rem;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-contact .topic-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-contact .channels-grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-contact .channel-aside {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
  }

  .page-contact .contact-next .next-link {
    grid-template-columns: 3.5rem minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-masthead::before { animation: none; }
  .page-contact .copy-btn,
  .page-contact .plate-value a,
  .page-contact .topic-link,
  .page-contact .next-link { transition-duration: 1ms; }
}