.page-contact {
  --pc-rail-w: 320px;
  --pc-line-soft: rgba(28, 39, 64, 0.72);
}

.page-contact .breadcrumbs {
  padding-top: 32px;
}

.page-contact .pc-sub {
  max-width: 46ch;
  margin: 14px 0 0;
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 首屏：非对称联系轨 + 主叙述 ---------- */
.page-contact .pc-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

.page-contact .pc-rail {
  position: relative;
  background: var(--grad-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
  padding: 24px 20px 20px 26px;
  transition: border-color 220ms ease-out, box-shadow 220ms ease-out;
}

.page-contact .pc-rail::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  width: 4px;
  height: 34px;
  border-radius: 0 4px 4px 0;
  background: var(--grad-rule);
}

.page-contact .pc-rail:hover,
.page-contact .pc-rail:focus-within {
  border-color: var(--c-cyan);
  box-shadow: 0 0 0 1px rgba(55, 230, 208, 0.2), 0 26px 52px -38px rgba(55, 230, 208, 0.8);
}

.page-contact .pc-rail__title {
  margin: 0 0 16px;
  font-family: var(--f-head);
  font-size: 14px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-contact .pc-rail__list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
}

.page-contact .pc-rail__row {
  padding: 12px 0;
  border-top: 1px dashed var(--pc-line-soft);
}

.page-contact .pc-rail__key {
  margin-bottom: 5px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-muted);
}

.page-contact .pc-rail__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-text);
  overflow-wrap: anywhere;
}

.page-contact .pc-mono {
  font-family: var(--f-num);
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-select {
  user-select: all;
  -webkit-user-select: all;
  cursor: text;
}

.page-contact .pc-rail__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--c-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-contact .pc-intro__main h1 {
  margin: 10px 0 18px;
  max-width: 16ch;
}

.page-contact .pc-intro__main .lede {
  max-width: 48ch;
}

.page-contact .pc-hero-media {
  margin: 32px 0 0;
}

.page-contact figure.media-frame[data-ratio="2:1"] {
  aspect-ratio: 2 / 1;
}

.page-contact figure.media-frame[data-ratio="5:3"] {
  aspect-ratio: 5 / 3;
}

/* ---------- 渠道对照 ---------- */
.page-contact .pc-routes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: 30px;
}

.page-contact .pc-route {
  --tone: var(--c-cyan);
  position: relative;
  padding: 24px 22px;
  border: 1px solid var(--c-line);
  border-left: 4px solid var(--tone);
  border-radius: var(--r-card);
  background: var(--c-panel);
  transition: border-color 220ms ease-out;
}

.page-contact .pc-route[data-tone="violet"] {
  --tone: var(--c-violet);
}

.page-contact .pc-route[data-tone="gold"] {
  --tone: var(--c-gold);
}

.page-contact .pc-route:hover,
.page-contact .pc-route:focus-within {
  border-color: var(--tone);
}

.page-contact .pc-route__no {
  margin: 0 0 10px;
  font-family: var(--f-num);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--tone);
}

.page-contact .pc-route h3 {
  margin: 0 0 10px;
}

.page-contact .pc-route p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-muted);
}

.page-contact .pc-route .btn {
  margin-top: auto;
}

/* ---------- 邮箱 ---------- */
.page-contact .pc-mail {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-contact .pc-mail__left h2 {
  margin: 10px 0 16px;
}

.page-contact .pc-mail__left p {
  margin: 0;
  max-width: 34ch;
  color: var(--c-muted);
  font-size: 16px;
  line-height: 1.75;
}

.page-contact .pc-mail__card {
  padding: 26px 24px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
  background: var(--c-panel-2);
  transition: border-color 220ms ease-out;
}

.page-contact .pc-mail__card:hover,
.page-contact .pc-mail__card:focus-within {
  border-color: var(--c-cyan);
}

.page-contact .pc-label {
  margin: 0 0 12px;
  font-family: var(--f-head);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-contact .pc-mail__addr {
  margin: 0;
  font-family: var(--f-num);
  font-variant-numeric: tabular-nums;
  font-size: 18px;
  line-height: 1.4;
  color: var(--c-cyan);
  overflow-wrap: anywhere;
}

.page-contact .pc-hours {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--pc-line-soft);
  font-size: 14px;
  color: var(--c-text);
}

.page-contact .pc-hours__dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: var(--r-pill);
  background: var(--grad-rise);
}

.page-contact .pc-mail__hint {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* ---------- 提交清单 ---------- */
.page-contact .pc-check {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

.page-contact .pc-check__main h2 {
  margin: 10px 0 16px;
}

.page-contact .pc-check__main .lede {
  max-width: 44ch;
}

.page-contact .pc-fieldset {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  border: 0;
}

.page-contact .pc-check-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 15px 16px;
  border: 1px solid var(--c-line);
  border-radius: 10px;
  background: var(--c-panel);
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-muted);
  cursor: pointer;
  transition: border-color 200ms ease-out, background 200ms ease-out;
}

.page-contact .pc-check-item:hover {
  border-color: var(--c-line);
  background: var(--c-panel-2);
}

.page-contact .pc-check-item:has(input:checked) {
  border-color: var(--c-cyan);
  background: rgba(55, 230, 208, 0.06);
}

.page-contact .pc-check-item input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  flex: none;
  width: 20px;
  height: 20px;
  margin: 3px 0 0;
  border: 1px solid var(--c-line);
  border-radius: 5px;
  background: var(--c-bg);
  position: relative;
  cursor: pointer;
  transition: border-color 200ms ease-out, background 200ms ease-out;
}

.page-contact .pc-check-item input[type="checkbox"]:checked {
  border-color: var(--c-cyan);
  background: linear-gradient(140deg, rgba(55, 230, 208, 0.3), rgba(55, 230, 208, 0.06));
}

.page-contact .pc-check-item input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid var(--c-cyan);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.page-contact .pc-check-item input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
}

.page-contact .pc-check-item__text strong {
  color: var(--c-text);
  font-weight: 700;
}

.page-contact .pc-note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

.page-contact .pc-template {
  padding: 24px 22px;
  border: 1px dashed var(--c-line);
  border-radius: var(--r-card);
  background: linear-gradient(155deg, rgba(139, 107, 255, 0.12), rgba(7, 11, 24, 0) 68%);
}

.page-contact .pc-template__label {
  margin: 0 0 14px;
  font-family: var(--f-head);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-violet);
}

.page-contact .pc-template__line {
  margin: 0;
  padding: 14px 16px;
  border-radius: var(--r-row);
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  font-family: var(--f-num);
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-text);
  overflow-wrap: anywhere;
}

.page-contact .pc-template__list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-contact .pc-template__list li {
  position: relative;
  padding-left: 18px;
}

.page-contact .pc-template__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  border: 1px solid var(--c-violet);
}

.page-contact .pc-template__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--pc-line-soft);
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-contact .pc-check__media {
  margin: 40px 0 0;
}

/* ---------- 电话与地址 ---------- */
.page-contact .pc-addr {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  align-items: center;
}

.page-contact .pc-addr__info h2 {
  margin: 10px 0 22px;
}

.page-contact .pc-addr__rows {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--c-line);
}

.page-contact .pc-addr__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .pc-addr__key {
  font-family: var(--f-head);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-contact .pc-addr__val {
  font-size: 17px;
  line-height: 1.6;
  color: var(--c-text);
  overflow-wrap: anywhere;
}

.page-contact .pc-addr__val.pc-mono {
  font-size: 22px;
  color: var(--c-gold);
}

.page-contact .pc-addr__note {
  margin: 22px 0 0;
  max-width: 44ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-contact .pc-compass {
  display: flex;
  justify-content: center;
}

.page-contact .pc-compass svg {
  width: min(240px, 68vw);
  height: auto;
  opacity: 0.9;
}

/* ---------- 回复节奏 ---------- */
.page-contact .pc-steps {
  position: relative;
  margin: 32px 0 0;
  padding: 0 0 0 30px;
  list-style: none;
  display: grid;
  gap: 24px;
}

.page-contact .pc-steps::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: var(--grad-rule);
  opacity: 0.5;
}

.page-contact .pc-steps li {
  position: relative;
}

.page-contact .pc-steps li::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 9px;
  width: 11px;
  height: 11px;
  border-radius: var(--r-pill);
  background: var(--c-bg);
  border: 2px solid var(--c-cyan);
}

.page-contact .pc-steps li:nth-child(2)::before {
  border-color: var(--c-violet);
}

.page-contact .pc-steps li:nth-child(3)::before {
  border-color: var(--c-gold);
}

.page-contact .pc-steps li:nth-child(4)::before {
  border-color: var(--c-red-soft);
}

.page-contact .pc-steps h3 {
  margin: 0 0 8px;
}

.page-contact .pc-steps p {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-contact .pc-boundary {
  margin: 34px 0 0;
  padding: 18px 20px;
  border: 1px solid var(--c-line);
  border-left: 4px solid var(--c-red-soft);
  border-radius: 10px;
  background: rgba(179, 50, 63, 0.08);
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-text);
}

.page-contact .pc-boundary a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 备案 ---------- */
.page-contact .pc-legal__list {
  display: grid;
  gap: 0;
  margin: 24px 0 0;
  padding: 0 18px;
  border: 1px dashed var(--c-line);
  border-radius: 12px;
  font-size: 13px;
}

.page-contact .pc-legal__list > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--pc-line-soft);
}

.page-contact .pc-legal__list > div:last-child {
  border-bottom: 0;
}

.page-contact .pc-legal__list dt {
  font-family: var(--f-head);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-contact .pc-legal__list dd {
  margin: 0;
  line-height: 1.75;
  color: var(--c-text);
  overflow-wrap: anywhere;
}

/* ---------- 收尾星点 ---------- */
.page-contact .pc-outro {
  position: relative;
  height: 200px;
  margin-top: 48px;
  overflow: hidden;
}

.page-contact .pc-outro svg {
  display: block;
  width: 100%;
  height: 100%;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .pc-routes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .pc-addr__row {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

  .page-contact .pc-legal__list > div {
    grid-template-columns: 110px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-intro {
    grid-template-columns: var(--pc-rail-w) minmax(0, 1fr);
    gap: 56px;
  }

  .page-contact .pc-rail {
    position: sticky;
    top: calc(var(--header-h) + 32px);
  }

  .page-contact .pc-hero-media {
    margin-top: 40px;
  }

  .page-contact .pc-mail {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    gap: 48px;
    align-items: center;
  }

  .page-contact .pc-check {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 48px;
  }

  .page-contact .pc-addr {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 56px;
  }

  .page-contact .pc-addr__info h2 {
    max-width: 20ch;
  }

  .page-contact .pc-check__media {
    margin-top: 48px;
  }
}

@media (min-width: 1100px) {
  .page-contact .pc-outro {
    height: 240px;
  }
}

@media (max-width: 480px) {
  .page-contact .pc-mail__addr {
    font-size: 15px;
  }

  .page-contact .pc-addr__val.pc-mono {
    font-size: 19px;
  }

  .page-contact .pc-rail {
    padding: 22px 16px 18px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-rail,
  .page-contact .pc-route,
  .page-contact .pc-mail__card,
  .page-contact .pc-check-item,
  .page-contact .pc-check-item input[type="checkbox"] {
    transition: none;
  }
}