.page-contact {
  --contact-rot: -1.5deg;
  background:
    linear-gradient(180deg, rgba(214, 43, 43, 0.06) 0%, transparent 30rem),
    var(--bg-deep);
  font-family: var(--font-body);
  color: var(--cream);
  line-height: 1.7;
}

.page-contact .breadcrumb {
  margin-bottom: 1rem;
}

/* ---------- Hero 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: 2.4rem 0 3.6rem;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: -32%;
  right: -12%;
  width: 64%;
  height: 170%;
  background:
    linear-gradient(115deg, transparent 0 42%, rgba(214, 43, 43, 0.14) 44% 45%, transparent 47%),
    linear-gradient(115deg, transparent 0 54%, rgba(232, 163, 61, 0.14) 56% 57%, transparent 59%);
  transform: rotate(-8deg);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.2rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__copy {
  max-width: 620px;
}

.page-contact .contact-hero__eyebrow {
  display: inline-block;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--gold);
  border-left: 4px solid var(--red);
  padding-left: 0.85rem;
  margin-bottom: 1.1rem;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: 0.02em;
  margin: 0 0 1.1rem;
  color: var(--cream);
}

.page-contact .contact-hero__lead {
  margin: 0;
  font-size: 1rem;
  color: var(--gray);
  max-width: 560px;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.6rem;
}

.page-contact .contact-hero__visual {
  position: relative;
  max-width: 420px;
  width: 100%;
  margin: 0 auto;
  justify-self: center;
}

.page-contact .contact-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  border: 2px solid var(--gold-line);
  outline: 1px solid rgba(232, 163, 61, 0.18);
  outline-offset: 8px;
  transform: rotate(var(--contact-rot));
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.45);
}

.page-contact .contact-hero__vertical {
  display: none;
}

/* ---------- 信件区 ---------- */
.page-contact .contact-letter {
  padding-top: 0.6rem;
}

.page-contact .contact-letter__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
  margin-top: 2rem;
}

.page-contact .contact-recipient {
  position: relative;
  background: var(--bg-panel);
  border: 2px solid var(--red);
  padding: 1.7rem 1.6rem;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}

.page-contact .contact-recipient::before {
  content: "";
  position: absolute;
  top: -2px;
  right: 18px;
  width: 30px;
  height: 30px;
  border-top: 4px solid var(--gold);
  border-right: 4px solid var(--gold);
  pointer-events: none;
}

.page-contact .recipient-label {
  margin: 0 0 0.35rem;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--gold);
}

.page-contact .contact-recipient h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--cream);
}

.page-contact .recipient-list {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.15rem;
}

.page-contact .recipient-item {
  display: grid;
  gap: 0.3rem;
}

.page-contact .recipient-item dt {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--gray);
  font-size: 0.88rem;
}

.page-contact .recipient-icon {
  color: var(--gold);
  flex: none;
}

.page-contact .recipient-item dd {
  margin: 0;
  font-size: 1rem;
  word-break: break-word;
}

.page-contact .recipient-item dd a {
  color: var(--cream);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px dashed var(--gold-line);
  padding-bottom: 0.12rem;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .recipient-item dd a:hover {
  color: var(--gold);
  border-color: var(--gold);
}

.page-contact .recipient-note {
  margin: 1.4rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(196, 139, 47, 0.25);
  font-size: 0.82rem;
  color: var(--gray);
}

.page-contact .contact-write {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--gold-line);
  padding: 1.5rem 1.3rem 1.2rem;
  display: flex;
  flex-direction: column;
}

.page-contact .contact-write__clip {
  position: absolute;
  top: -1px;
  right: 22px;
  z-index: 2;
  background: var(--red);
  color: var(--cream);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  padding: 0.4rem 1rem 0.4rem 1.2rem;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.page-contact .contact-write__paper {
  flex: 1;
  min-height: 260px;
  background-color: var(--cream);
  background-image: linear-gradient(rgba(16, 20, 31, 0.07) 1px, transparent 1px);
  background-size: 100% 30px;
  border: 1px solid rgba(196, 139, 47, 0.3);
  color: #10141F;
  font-size: 0.95rem;
  line-height: 30px;
  padding: 1.6rem 1.4rem 1.2rem;
  outline: none;
}

.page-contact .contact-write__paper p {
  margin: 0 0 0.8rem;
}

.page-contact .contact-write__note {
  margin: 0.85rem 0 0;
  font-size: 0.78rem;
  color: var(--gray);
  text-align: right;
}

.page-contact .contact-letter__footnote {
  margin-top: 1.1rem;
  padding-left: 1rem;
  border-left: 3px solid var(--gold-line);
  font-size: 0.78rem;
  color: var(--gray);
}

/* ---------- 地图 ---------- */
.page-contact .contact-map__frame {
  position: relative;
  margin-top: 1.7rem;
  border: 2px solid var(--gold-line);
  background: var(--bg-panel);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.32);
}

.page-contact .contact-map__frame img {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .contact-map__hotspots {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.page-contact .map-route {
  stroke: rgba(232, 163, 61, 0.5);
  stroke-width: 2;
  stroke-dasharray: 4 6;
  fill: none;
}

.page-contact .map-spot {
  cursor: pointer;
  outline: none;
}

.page-contact .map-spot circle {
  fill: rgba(214, 43, 43, 0.28);
  stroke: var(--gold);
  stroke-width: 2;
  transition: fill 0.25s var(--ease);
}

.page-contact .map-spot text {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  fill: var(--cream);
  text-anchor: middle;
  opacity: 0;
  transition: opacity 0.25s var(--ease);
  stroke: rgba(16, 20, 31, 0.75);
  stroke-width: 4px;
  paint-order: stroke;
  pointer-events: none;
}

.page-contact .map-spot:hover circle,
.page-contact .map-spot:focus circle {
  fill: rgba(214, 43, 43, 0.6);
}

.page-contact .map-spot:hover text,
.page-contact .map-spot:focus text {
  opacity: 1;
}

.page-contact .contact-map__hint {
  margin-top: 0.8rem;
  font-size: 0.8rem;
  color: var(--gray);
}

/* ---------- 信息用途 ---------- */
.page-contact .purpose-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
  margin-top: 2rem;
}

.page-contact .purpose-card {
  background: var(--bg-panel);
  border-top: 4px solid var(--gold-line);
  padding: 1.5rem 1.4rem;
}

.page-contact .purpose-card--fit {
  border-top-color: var(--red);
}

.page-contact .purpose-card--limit {
  border-top-color: var(--terra);
  background: rgba(181, 99, 59, 0.1);
}

.page-contact .purpose-card__index {
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--gold);
  border: 1px solid var(--gold-line);
  padding: 0.2rem 0.7rem;
  margin-bottom: 1rem;
}

.page-contact .purpose-card--fit .purpose-card__index {
  color: var(--red);
  border-color: var(--red);
}

.page-contact .purpose-card--limit .purpose-card__index {
  color: var(--terra);
  border-color: var(--terra);
}

.page-contact .purpose-card h3 {
  margin: 0 0 0.6rem;
  font-size: 1.16rem;
  font-weight: 700;
  color: var(--cream);
}

.page-contact .purpose-card ul {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.45rem;
}

.page-contact .purpose-card li {
  font-size: 0.9rem;
  color: var(--gray);
}

.page-contact .purpose-card li::marker {
  color: var(--gold-line);
}

.page-contact .purpose-card--fit li::marker {
  color: var(--red);
}

.page-contact .purpose-card--limit li::marker {
  color: var(--terra);
}

/* ---------- 常见反馈类型 ---------- */
.page-contact .contact-feedback__filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.page-contact .feedback-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1.7rem;
}

.page-contact .feedback-card {
  background: var(--bg-panel);
  border: 1px solid rgba(196, 139, 47, 0.22);
  border-left: 3px solid var(--gold-line);
  padding: 1.2rem 1.3rem;
  transition: transform 0.28s var(--ease), border-color 0.28s var(--ease);
}

.page-contact .feedback-card:hover {
  transform: translateX(4px);
  border-left-color: var(--red);
}

.page-contact .feedback-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--cream);
}

.page-contact .feedback-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--gray);
}

/* ---------- 响应节奏 ---------- */
.page-contact .response-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
  margin-top: 2rem;
}

.page-contact .response-step {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid rgba(196, 139, 47, 0.24);
  padding: 1.5rem 1.4rem;
}

.page-contact .response-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--gold);
  margin-bottom: 0.9rem;
}

.page-contact .response-step h3 {
  margin: 0 0 0.4rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--cream);
}

.page-contact .response-step p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--gray);
}

/* ---------- 备案与信任 ---------- */
.page-contact .contact-trust {
  padding-bottom: 4rem;
}

.page-contact .trust-panel {
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--gold-line);
  margin-top: 1.7rem;
}

.page-contact .trust-panel__item {
  display: flex;
  gap: 1rem;
  padding: 1.4rem;
  border-bottom: 1px solid rgba(196, 139, 47, 0.22);
}

.page-contact .trust-panel__item:last-child {
  border-bottom: 0;
}

.page-contact .trust-panel__item .section-index {
  flex: none;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: var(--red);
  color: var(--cream);
  font-size: 0.95rem;
  font-weight: 700;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.page-contact .trust-panel__item h3 {
  margin: 0 0 0.3rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--cream);
}

.page-contact .trust-panel__item p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--gray);
}

.page-contact .inline-link {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 0.22em;
  transition: color 0.25s var(--ease);
}

.page-contact .inline-link:hover {
  color: var(--cream);
}

/* ---------- 桌面端布局 ---------- */
@media (min-width: 840px) {
  .page-contact .contact-hero {
    padding: 4rem 0 5rem;
  }

  .page-contact .contact-hero__inner {
    grid-template-columns: 1.2fr 1fr;
    gap: 3.6rem;
  }

  .page-contact .contact-hero__visual {
    justify-self: end;
    margin: 0;
  }

  .page-contact .contact-hero__vertical {
    display: flex;
    position: absolute;
    right: -2.6rem;
    top: 0;
    bottom: 0;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    font-size: 12px;
    letter-spacing: 0.42em;
    color: var(--gray);
    align-items: center;
  }

  .page-contact .contact-letter__layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
    gap: 2rem;
    align-items: stretch;
  }

  .page-contact .contact-write {
    min-height: 100%;
  }

  .page-contact .contact-write__paper {
    min-height: 300px;
  }

  .page-contact .purpose-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .feedback-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .response-steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .trust-panel {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .trust-panel__item {
    border-bottom: 0;
    border-right: 1px solid rgba(196, 139, 47, 0.22);
    flex-direction: column;
    gap: 1.1rem;
  }

  .page-contact .trust-panel__item:last-child {
    border-right: 0;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-map__frame {
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
  }

  .page-contact .feedback-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-contact .feedback-card {
    padding: 1.1rem 1.05rem;
  }
}