.page-contact {
  --pc-ink: #0B1F18;
  --pc-text-dark: #10241C;
  --pc-line-dark: rgba(11, 31, 24, 0.14);
  --pc-panel: rgba(18, 54, 42, 0.42);
  background: var(--ink-green);
  color: var(--paper);
  font-family: var(--font-sans);
  padding-bottom: clamp(40px, 7vw, 88px);
  overflow-x: hidden;
}

.page-contact .pc-crumbs {
  padding-top: clamp(16px, 3.6vw, 30px);
  padding-bottom: clamp(6px, 1.6vw, 12px);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding: clamp(10px, 2vw, 20px) 0 clamp(34px, 6vw, 72px);
}

.page-contact .pc-hero__frame {
  position: relative;
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  padding: clamp(20px, 4vw, 46px);
  border: 1px solid var(--line-gold);
  background:
    radial-gradient(110% 80% at 4% 0%, rgba(201, 162, 39, 0.13), transparent 62%),
    radial-gradient(90% 70% at 100% 100%, rgba(63, 169, 201, 0.10), transparent 60%),
    linear-gradient(158deg, #0B1F18 0%, #07100D 100%);
  box-shadow: var(--shadow-panel);
}

.page-contact .pc-hero__frame::before,
.page-contact .pc-hero__frame::after {
  content: "";
  position: absolute;
  width: 26px;
  height: 26px;
  border: 1px solid var(--gold);
  pointer-events: none;
}
.page-contact .pc-hero__frame::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}
.page-contact .pc-hero__frame::after {
  right: -1px;
  bottom: -1px;
  border-left: 0;
  border-top: 0;
}

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

.page-contact .pc-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(12px, 2vw, 18px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-light);
}

.page-contact .pc-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(227, 139, 44, 0.18);
}

.page-contact .pc-hero h1 {
  margin: 0 0 clamp(14px, 2.4vw, 22px);
  font-size: clamp(30px, 7.2vw, 60px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.035em;
  color: var(--paper);
}

.page-contact .pc-lead {
  margin: 0 0 clamp(22px, 3.4vw, 34px);
  max-width: 34em;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .pc-channels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .pc-channel {
  display: grid;
  gap: 5px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .pc-channel__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--slate);
}

.page-contact .pc-channel__value {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.6vw, 22px);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--gold-light);
  text-decoration: none;
  word-break: break-word;
  transition: color 0.2s var(--ease-out);
}

.page-contact .pc-channel__value:hover,
.page-contact .pc-channel__value:focus-visible {
  color: var(--paper);
  text-decoration: underline;
  text-underline-offset: 5px;
}

.page-contact .pc-channel__value--plain {
  color: var(--paper);
  font-size: clamp(14px, 2.2vw, 18px);
}

.page-contact .pc-channel__note {
  max-width: 40em;
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .pc-hero__figure {
  margin: 0;
  aspect-ratio: 3 / 2;
  border: 1px solid var(--line-gold);
  background: linear-gradient(160deg, var(--green-layer), var(--ink-deep));
  overflow: hidden;
}

.page-contact .pc-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.05);
}

.page-contact .pc-hero__figure .figure-caption {
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--slate);
  background: rgba(7, 16, 13, 0.86);
  border-top: 1px solid var(--line-soft);
}

/* ---------- 通用区块 ---------- */
.page-contact .pc-section {
  padding: clamp(38px, 7vw, 84px) 0;
}

.page-contact .pc-head {
  max-width: 46em;
  margin-bottom: clamp(22px, 3.6vw, 40px);
}

.page-contact .pc-head h2 {
  margin: 0 0 12px;
  font-size: clamp(24px, 4.4vw, 40px);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .pc-head--dark h2 {
  color: var(--pc-text-dark);
}

.page-contact .pc-head__sub {
  margin: 0;
  font-size: clamp(14px, 1.6vw, 16px);
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .pc-head--dark .pc-head__sub {
  color: rgba(16, 36, 28, 0.76);
}

.page-contact .pc-head--dark .pc-eyebrow {
  color: #8A6E12;
}

/* ---------- 三条联络线 ---------- */
.page-contact .pc-routes__grid {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-gold);
}

.page-contact .pc-route {
  position: relative;
  padding: clamp(20px, 3vw, 30px) 0 clamp(20px, 3vw, 30px) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .pc-route__no {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-contact .pc-route h3 {
  margin: 0 0 10px;
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .pc-route p {
  margin: 0 0 12px;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .pc-route__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--cyan);
}

/* ---------- 反馈准备 ---------- */
.page-contact .pc-prep {
  background: var(--paper);
  color: var(--pc-text-dark);
  padding: clamp(38px, 7vw, 84px) 0;
}

.page-contact .pc-prep__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

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

.page-contact .pc-check {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pc-line-dark);
}

.page-contact .pc-check__item {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 2px;
  border-bottom: 1px solid var(--pc-line-dark);
}

.page-contact .pc-check__item input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  margin: 3px 0 0;
  border: 1.5px solid rgba(11, 31, 24, 0.38);
  border-radius: 2px;
  background: transparent;
  cursor: pointer;
  position: relative;
  flex: 0 0 auto;
  transition: background 0.18s var(--ease-out), border-color 0.18s var(--ease-out);
}

.page-contact .pc-check__item input[type="checkbox"]:checked {
  background: var(--gold);
  border-color: var(--gold);
}

.page-contact .pc-check__item input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 1px;
  width: 6px;
  height: 11px;
  border: solid var(--ink-deep);
  border-width: 0 2px 2px 0;
  transform: rotate(42deg);
}

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

.page-contact .pc-check__item label {
  display: grid;
  gap: 4px;
  cursor: pointer;
  min-width: 0;
}

.page-contact .pc-check__title {
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--pc-text-dark);
}

.page-contact .pc-check__desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(16, 36, 28, 0.74);
}

.page-contact .pc-check__item input:checked + label .pc-check__title {
  color: #7A6110;
}

.page-contact .pc-prep__tip {
  margin: 0;
  padding: 14px 16px;
  border-left: 3px solid var(--gold);
  background: rgba(201, 162, 39, 0.09);
  font-size: 14px;
  line-height: 1.85;
  color: var(--pc-text-dark);
}

.page-contact .pc-link {
  color: #7A6110;
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 600;
}

.page-contact .pc-link:hover,
.page-contact .pc-link:focus-visible {
  color: var(--pc-text-dark);
}

.page-contact .pc-prep__figure {
  margin: 0;
  border: 1px solid rgba(11, 31, 24, 0.16);
  aspect-ratio: 4 / 3;
  background: var(--green-layer);
  overflow: hidden;
}

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

.page-contact .pc-prep__figure .figure-caption {
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--mist);
  background: var(--ink-green);
}

/* ---------- 来件分类 ---------- */
.page-contact .pc-segmented {
  border-top: 1px solid var(--line-gold);
  padding-top: clamp(16px, 2.4vw, 24px);
}

.page-contact .pc-segmented .segmented-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(18px, 3vw, 26px);
}

.page-contact .pc-segmented .segmented-btn {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 10px 16px;
  border: 1px solid var(--line-soft);
  background: transparent;
  color: var(--mist);
  border-radius: var(--radius);
  cursor: pointer;
  transition: color 0.2s var(--ease-out), border-color 0.2s var(--ease-out), background 0.2s var(--ease-out);
}

.page-contact .pc-segmented .segmented-btn:hover {
  border-color: var(--line-gold);
  color: var(--paper);
}

.page-contact .pc-segmented .segmented-btn.is-active {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink-deep);
}

.page-contact .pc-segmented .segmented-btn:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 3px;
}

.page-contact .pc-panel {
  padding: clamp(18px, 3vw, 30px);
  background: var(--pc-panel);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--gold);
  min-width: 0;
}

.page-contact .pc-panel h3 {
  margin: 0 0 12px;
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--gold-light);
  letter-spacing: -0.01em;
}

.page-contact .pc-panel p {
  margin: 0 0 14px;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .pc-bullets {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .pc-bullets li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .pc-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--gold);
}

/* ---------- 值班刻度 ---------- */
.page-contact .pc-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-left: 1px solid var(--line-gold);
}

.page-contact .pc-timeline__item {
  position: relative;
  padding: 0 0 clamp(20px, 3vw, 28px) clamp(20px, 3vw, 30px);
}

.page-contact .pc-timeline__item::before {
  content: "";
  position: absolute;
  left: -4.5px;
  top: 6px;
  width: 8px;
  height: 8px;
  background: var(--ink-green);
  border: 1px solid var(--gold);
  border-radius: 50%;
}

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

.page-contact .pc-timeline__time {
  display: inline-block;
  margin-bottom: 8px;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-deep);
  background: var(--gold);
  border-radius: var(--radius);
}

.page-contact .pc-timeline__item h3 {
  margin: 0 0 8px;
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-contact .pc-timeline__item p {
  margin: 0;
  max-width: 42em;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 邮件模板 ---------- */
.page-contact .pc-mail {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: start;
}

.page-contact .pc-mail__panel {
  min-width: 0;
  border: 1px solid var(--line-gold);
  background: linear-gradient(180deg, rgba(18, 54, 42, 0.6), rgba(7, 16, 13, 0.9));
  padding: clamp(16px, 3vw, 28px);
}

.page-contact .pc-mail__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .pc-mail__bar-label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--slate);
}

.page-contact .pc-mail__panel h2 {
  margin: 0 0 14px;
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .pc-mail__code {
  margin: 0 0 14px;
  padding: clamp(14px, 2.4vw, 20px);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 2;
  letter-spacing: 0.01em;
  color: var(--mist);
  background: var(--ink-deep);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--gold);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
  tab-size: 2;
}

.page-contact .pc-mail__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--slate);
}

.page-contact .pc-mail__side {
  min-width: 0;
  border-top: 1px solid var(--line-gold);
  padding-top: clamp(16px, 2.6vw, 24px);
}

.page-contact .pc-mail__side h2 {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-light);
}

.page-contact .pc-next-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .pc-next-list li {
  display: grid;
  gap: 5px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .pc-next-list a {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--paper);
  text-decoration: none;
  letter-spacing: -0.01em;
  transition: color 0.2s var(--ease-out);
}

.page-contact .pc-next-list a:hover,
.page-contact .pc-next-list a:focus-visible {
  color: var(--gold-light);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-contact .pc-next-list span {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .pc-mail__side-foot {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 桌面 ---------- */
@media (min-width: 820px) {
  .page-contact .pc-hero__frame {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }

  .page-contact .pc-routes__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 clamp(20px, 3vw, 40px);
  }

  .page-contact .pc-route {
    border-bottom: 0;
    padding-bottom: clamp(10px, 2vw, 16px);
    border-top: 0;
  }

  .page-contact .pc-route + .pc-route {
    border-left: 1px solid var(--line-soft);
    padding-left: clamp(20px, 3vw, 40px);
  }

  .page-contact .pc-prep__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
  }

  .page-contact .pc-prep__figure {
    position: sticky;
    top: 96px;
  }

  .page-contact .pc-timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 52px);
    border-left: 0;
    border-top: 1px solid var(--line-gold);
    padding-top: clamp(18px, 2.6vw, 26px);
  }

  .page-contact .pc-timeline__item {
    border-left: 1px solid var(--line-gold);
    padding-left: clamp(18px, 2.4vw, 26px);
  }

  .page-contact .pc-timeline__item::before {
    top: 8px;
  }

  .page-contact .pc-mail {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
  }
}

@media (min-width: 1100px) {
  .page-contact .pc-timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .pc-hero__frame {
    padding: clamp(34px, 3.4vw, 52px);
  }
}