.page-contact {
  --pc-rail-w: 320px;
  --pc-gap: clamp(22px, 3.2vw, 56px);
  --pc-shadow-hover: 0 2px 4px rgba(15, 31, 27, .06), 0 18px 34px -22px rgba(15, 31, 27, .55);
  padding-bottom: clamp(56px, 7vw, 104px);
}

/* ---------- 页头 ---------- */
.page-contact .pc-head {
  position: relative;
  padding: clamp(22px, 3.4vw, 40px) 0 clamp(30px, 4vw, 54px);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .pc-head::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: min(46%, 460px);
  height: 100%;
  background: linear-gradient(150deg, rgba(27, 79, 216, .08), rgba(18, 112, 79, .06) 55%, transparent 74%);
  clip-path: polygon(32% 0, 100% 0, 100% 100%, 0 64%);
  pointer-events: none;
}

.page-contact .pc-head::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  width: clamp(96px, 22%, 300px);
  height: 5px;
  background: linear-gradient(90deg, var(--pitch-600) 0 40%, var(--eblue-600) 40% 72%, var(--volt-500) 72% 100%);
  clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%);
}

.page-contact .pc-head > * {
  position: relative;
  z-index: 1;
}

.page-contact .pc-head__title {
  max-width: 24ch;
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 5.2vw, 3.4rem);
  line-height: 1.16;
  letter-spacing: -.012em;
  color: var(--ink-900);
}

.page-contact .pc-head__lead {
  max-width: 62ch;
  margin: 18px 0 0;
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  line-height: 1.78;
  color: var(--ink-600);
}

.page-contact .pc-head__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-top: 22px;
}

.page-contact .pc-head__city {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--ink-600);
}

/* ---------- 主体骨架 ---------- */
.page-contact .pc-body {
  padding-top: clamp(28px, 4vw, 52px);
}

.page-contact .pc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .pc-stream {
  min-width: 0;
}

/* ---------- 左栏：城市卡 ---------- */
.page-contact .pc-city {
  position: relative;
  z-index: 2;
  padding: clamp(24px, 2.6vw, 30px) clamp(18px, 2.2vw, 24px) clamp(18px, 2.2vw, 24px);
  background: var(--chalk);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-1);
}

.page-contact .pc-city::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  border-radius: var(--r-md) var(--r-md) 0 0;
  background: linear-gradient(90deg, var(--pitch-600), var(--eblue-600));
}

.page-contact .pc-city__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.24rem, 2.6vw, 1.52rem);
  line-height: 1.32;
  color: var(--ink-900);
}

.page-contact .pc-city__rows {
  margin: 14px 0 0;
}

.page-contact .pc-city__row {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 10px;
  padding: 11px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .pc-city__row dt {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .05em;
  line-height: 1.7;
  color: var(--pitch-600);
}

.page-contact .pc-city__row dd {
  margin: 0;
  font-size: .93rem;
  line-height: 1.68;
  color: var(--ink-900);
}

.page-contact .pc-city__actions {
  margin-top: 14px;
}

.page-contact .pc-city__geo {
  margin-top: 14px;
  border-top: 1px solid var(--line-soft);
  padding-top: 12px;
}

.page-contact .pc-city__geo .disclosure__trigger {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 6px 0;
  background: none;
  border: 0;
  font: inherit;
  color: var(--ink-900);
  text-align: left;
  cursor: pointer;
}

.page-contact .pc-city__geo-label {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .05em;
  color: var(--eblue-600);
}

.page-contact .pc-city__geo .disclosure__body {
  padding-top: 8px;
}

.page-contact .pc-city__geo .disclosure__body p {
  margin: 0 0 9px;
  font-size: .88rem;
  line-height: 1.72;
  color: var(--ink-600);
}

.page-contact .pc-city__geo .disclosure__body p:last-child {
  margin-bottom: 0;
}

.page-contact .pc-city__media {
  position: relative;
  z-index: 1;
  margin: -26px 0 0 24px;
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: var(--shadow-2);
}

.page-contact .pc-city__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  max-height: 380px;
  object-fit: cover;
}

/* ---------- 复制按钮 ---------- */
.page-contact .pc-copy {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--paper-000);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .05em;
  cursor: pointer;
  transition: background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}

.page-contact .pc-copy:hover {
  border-color: var(--eblue-600);
  color: var(--eblue-600);
}

.page-contact .pc-copy:focus-visible {
  outline: 2px solid var(--eblue-600);
  outline-offset: 2px;
}

.page-contact .pc-copy[data-copied] {
  background: var(--pitch-600);
  border-color: var(--pitch-600);
  color: var(--chalk);
}

/* ---------- 右侧章节 ---------- */
.page-contact .pc-section + .pc-section {
  margin-top: clamp(38px, 4.8vw, 70px);
  padding-top: clamp(34px, 4.2vw, 60px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .pc-section .section__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.1vw, 2.05rem);
  line-height: 1.3;
  color: var(--ink-900);
}

.page-contact .pc-section .section__lead {
  max-width: 66ch;
  color: var(--ink-600);
  font-size: .98rem;
  line-height: 1.78;
}

.page-contact .pc-flow-media {
  margin: clamp(18px, 2.4vw, 30px) 0 clamp(20px, 2.6vw, 32px);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-contact .pc-flow-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 三类来信 ---------- */
.page-contact .pc-inbox {
  display: grid;
  gap: 12px;
}

.page-contact .pc-inbox__card {
  position: relative;
  background: var(--chalk);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: box-shadow .24s var(--ease), transform .24s var(--ease);
}

.page-contact .pc-inbox__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--pitch-600);
  transition: width .24s var(--ease);
}

.page-contact .pc-inbox__card--ticket::before {
  background: var(--eblue-600);
}

.page-contact .pc-inbox__card--fix::before {
  background: var(--volt-500);
}

.page-contact .pc-inbox__card:hover {
  transform: translateY(-2px);
  box-shadow: var(--pc-shadow-hover);
}

.page-contact .pc-inbox__card:hover::before {
  width: 7px;
}

.page-contact .pc-inbox__card .disclosure__trigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 16px 18px 16px 24px;
  background: transparent;
  border: 0;
  font: inherit;
  color: var(--ink-900);
  text-align: left;
  cursor: pointer;
  transition: background-color .2s var(--ease);
}

.page-contact .pc-inbox__card .disclosure__trigger:hover {
  background: var(--paper-100);
}

.page-contact .pc-inbox__card .disclosure__trigger:focus-visible {
  outline: 2px solid var(--eblue-600);
  outline-offset: -2px;
}

.page-contact .pc-inbox__card .disclosure__num {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--ink-600);
}

.page-contact .pc-inbox__name {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.04rem, 2.2vw, 1.26rem);
  line-height: 1.34;
}

.page-contact .pc-inbox__for {
  display: block;
  margin-top: 3px;
  font-size: .8rem;
  line-height: 1.6;
  color: var(--ink-600);
}

.page-contact .disclosure__icon {
  position: relative;
  flex: none;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink-900);
}

.page-contact .disclosure__icon::before,
.page-contact .disclosure__icon::after {
  content: "";
  position: absolute;
  background: currentColor;
}

.page-contact .disclosure__icon::before {
  width: 11px;
  height: 1.5px;
}

.page-contact .disclosure__icon::after {
  width: 1.5px;
  height: 11px;
  transition: transform .22s var(--ease);
}

.page-contact .disclosure__trigger[aria-expanded="true"] .disclosure__icon::after {
  transform: scaleY(0);
}

.page-contact .pc-inbox__card .disclosure__body {
  padding: 14px 24px 20px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .pc-inbox__card .disclosure__body p {
  margin: 0 0 10px;
  font-size: .93rem;
  line-height: 1.76;
  color: var(--ink-600);
}

.page-contact .pc-mat__title {
  margin: 16px 0 8px !important;
  font-family: var(--font-mono);
  font-size: .72rem !important;
  letter-spacing: .08em;
  color: var(--volt-500) !important;
}

.page-contact .pc-mat {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .pc-mat li {
  position: relative;
  padding-left: 20px;
  font-size: .9rem;
  line-height: 1.66;
  color: var(--ink-900);
}

.page-contact .pc-mat li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 9px;
  height: 1.5px;
  background: var(--pitch-600);
}

/* ---------- 联系方式 ---------- */
.page-contact .pc-channels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .pc-channel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 20px 22px;
  background: var(--paper-100);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}

.page-contact .pc-channel--mail {
  background: linear-gradient(140deg, var(--eblue-100), var(--paper-100) 68%);
}

.page-contact .pc-channel--phone {
  background: linear-gradient(140deg, rgba(95, 169, 138, .2), var(--paper-100) 72%);
}

.page-contact .pc-channel--addr {
  background: linear-gradient(140deg, rgba(242, 106, 27, .1), var(--paper-100) 72%);
}

.page-contact .pc-channel__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--ink-600);
}

.page-contact .pc-channel__val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(.9rem, 2.1vw, 1.1rem);
  line-height: 1.42;
  color: var(--ink-900);
  font-variant-numeric: tabular-nums;
  word-break: break-word;
}

.page-contact .pc-channel__note {
  margin: 0;
  font-size: .86rem;
  line-height: 1.7;
  color: var(--ink-600);
}

.page-contact .pc-channel .pc-copy {
  margin-top: auto;
  align-self: flex-start;
}

/* ---------- 准备清单 ---------- */
.page-contact .pc-prep {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .pc-prep__item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .pc-prep__num {
  font-family: var(--font-mono);
  font-size: .92rem;
  line-height: 1.6;
  color: var(--volt-500);
}

.page-contact .pc-prep__title {
  margin: 0 0 6px;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-900);
}

.page-contact .pc-prep__text {
  margin: 0;
  font-size: .92rem;
  line-height: 1.74;
  color: var(--ink-600);
}

/* ---------- 回复流程 ---------- */
.page-contact .pc-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .pc-step {
  position: relative;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 26px;
}

.page-contact .pc-step::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 40px;
  bottom: 4px;
  width: 1px;
  background: repeating-linear-gradient(180deg, var(--line) 0 6px, transparent 6px 12px);
}

.page-contact .pc-step:last-child {
  padding-bottom: 0;
}

.page-contact .pc-step:last-child::before {
  display: none;
}

.page-contact .pc-step__dot {
  position: relative;
  z-index: 1;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--ink-900);
  color: var(--chalk);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .04em;
}

.page-contact .pc-step:nth-child(2) .pc-step__dot {
  background: var(--eblue-600);
}

.page-contact .pc-step:nth-child(3) .pc-step__dot {
  background: var(--pitch-600);
}

.page-contact .pc-step__title {
  margin: 4px 0 6px;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-900);
}

.page-contact .pc-step__text {
  margin: 0;
  font-size: .92rem;
  line-height: 1.76;
  color: var(--ink-600);
}

/* ---------- 场景速览 ---------- */
.page-contact .pc-scenes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-contact .pc-scene {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px;
  background: var(--chalk);
  border: 1px solid var(--line);
  border-left: 3px solid var(--pitch-300);
  border-radius: var(--r-md);
  transition: border-left-color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
}

.page-contact .pc-scene:hover {
  border-left-color: var(--pitch-600);
  transform: translateY(-2px);
  box-shadow: var(--shadow-1);
}

.page-contact .pc-scene__q {
  margin: 0;
  font-size: .94rem;
  font-weight: 600;
  line-height: 1.62;
  color: var(--ink-900);
}

.page-contact .pc-scene__link {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--eblue-600);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  align-self: flex-start;
  transition: border-color .2s var(--ease);
}

.page-contact .pc-scene__link:hover {
  border-bottom-color: var(--eblue-600);
}

.page-contact .pc-scene__link:focus-visible {
  outline: 2px solid var(--eblue-600);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .pc-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-channel--mail {
    grid-column: 1 / -1;
  }

  .page-contact .pc-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-prep__item {
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 20px;
    padding: 22px 0;
  }

  .page-contact .pc-city__row {
    grid-template-columns: 84px minmax(0, 1fr);
  }
}

@media (min-width: 980px) {
  .page-contact .pc-layout {
    grid-template-columns: minmax(240px, var(--pc-rail-w)) minmax(0, 1fr);
    gap: var(--pc-gap);
  }

  .page-contact .pc-rail {
    position: sticky;
    top: calc(var(--header-h, 70px) + 18px);
  }
}

@media (min-width: 1180px) {
  .page-contact .pc-city__media {
    margin-left: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-inbox__card,
  .page-contact .pc-scene,
  .page-contact .disclosure__icon::after,
  .page-contact .pc-copy {
    transition: none;
  }

  .page-contact .pc-inbox__card:hover,
  .page-contact .pc-scene:hover {
    transform: none;
  }
}