.page-contact {
  --pc-gap: clamp(1.5rem, 3vw, 2.75rem);
  --pc-pad: clamp(1.25rem, 2.6vw, 1.85rem);
  --pc-soft: rgba(244, 240, 230, 0.74);
  --pc-faint: rgba(244, 240, 230, 0.56);
  color: var(--c-cream);
  overflow-x: clip;
}

.page-contact .shell {
  width: 100%;
}

.page-contact .pc-crumb-sep {
  margin-inline: 0.5rem;
  color: var(--c-flare);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-block: clamp(1.5rem, 4vw, 3rem) clamp(2.5rem, 6vw, 5rem);
}

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

.page-contact .contact-hero-copy .h1 {
  margin-top: 0.75rem;
  color: var(--c-white);
}

.page-contact .contact-lede {
  max-width: 48ch;
  margin-top: 1.25rem;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--pc-soft);
}

.page-contact .hero-tags {
  margin-top: 1.75rem;
}

.page-contact .contact-hero-media {
  position: relative;
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--hair);
  background: var(--c-pitch);
}

.page-contact .contact-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(11, 46, 32, 0) 45%, rgba(11, 46, 32, 0.78) 100%);
  pointer-events: none;
}

.page-contact .contact-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 8;
  object-fit: cover;
}

.page-contact .contact-hero-media .media-caption {
  position: relative;
  z-index: 1;
  margin-top: -2.5rem;
  padding: 0 1.25rem 1.15rem;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--pc-faint);
}

/* ---------- 联系方式与流程 ---------- */
.page-contact .contact-channel {
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
  border-top: 1px solid var(--hair);
}

.page-contact .channel-head {
  max-width: 62ch;
}

.page-contact .channel-sub {
  margin-top: 0.9rem;
  font-size: 1rem;
  line-height: var(--lh-body);
  color: var(--pc-soft);
}

.page-contact .channel-layout {
  display: grid;
  gap: var(--pc-gap);
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
}

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

.page-contact .channel-card {
  position: relative;
  overflow: hidden;
  padding: var(--pc-pad);
  border-radius: var(--radius-md);
  background: var(--c-cream);
  color: var(--c-brown);
  box-shadow: 0 22px 46px -32px rgba(0, 0, 0, 0.78);
}

.page-contact .channel-card::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--c-flare), var(--c-teal));
  transform: scaleX(0.38);
  transform-origin: left center;
  transition: transform 0.45s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.page-contact .channel-card:hover::after,
.page-contact .channel-card:focus-within::after {
  transform: scaleX(1);
}

.page-contact .channel-label {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: rgba(26, 22, 19, 0.52);
}

.page-contact .channel-value {
  margin-top: 0.7rem;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1rem, 2.4vw, 1.42rem);
  line-height: 1.3;
  letter-spacing: var(--ls-data);
  color: var(--c-brown);
  overflow-wrap: anywhere;
  word-break: break-word;
  user-select: all;
  cursor: text;
}

.page-contact .channel-value--addr {
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-contact .channel-note {
  margin-top: 0.9rem;
  font-size: 0.86rem;
  line-height: 1.7;
  color: rgba(26, 22, 19, 0.66);
}

/* 时间轴 */
.page-contact .contact-flow {
  list-style: none;
  margin: 0;
  padding: 0 0 0 1.75rem;
  border-left: 2px solid rgba(45, 212, 191, 0.34);
  display: grid;
  gap: 1.9rem;
}

.page-contact .flow-step {
  position: relative;
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  left: -2.28rem;
  top: 0.42rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-flare);
  box-shadow: 0 0 0 4px rgba(255, 106, 26, 0.18);
  transition: box-shadow 0.35s ease, transform 0.35s ease;
}

.page-contact .flow-step:hover::before {
  box-shadow: 0 0 0 9px rgba(255, 106, 26, 0.22);
  transform: scale(1.15);
}

.page-contact .flow-index {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--c-teal);
}

.page-contact .flow-step .h3 {
  margin: 0.42rem 0 0.5rem;
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1.35;
  color: var(--c-white);
}

.page-contact .flow-step p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--pc-soft);
}

/* ---------- 反馈类型筛选 ---------- */
.page-contact .contact-types {
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
  background: rgba(18, 74, 51, 0.42);
  border-block: 1px solid var(--hair);
}

.page-contact .types-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem 2rem;
}

.page-contact .types-count {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--pc-faint);
}

.page-contact .types-count .mono {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--c-flare);
}

.page-contact .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.75rem;
  margin-bottom: 2rem;
}

.page-contact .filter-btn {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  padding: 0.58rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--hair-strong);
  background: transparent;
  color: var(--pc-soft);
  cursor: pointer;
  transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease, transform 0.25s ease;
}

.page-contact .filter-btn:hover {
  color: var(--c-white);
  border-color: var(--c-flare);
  transform: translateY(-1px);
}

.page-contact .filter-btn[aria-pressed="true"] {
  background: var(--c-flare);
  border-color: var(--c-flare);
  color: var(--c-brown);
  font-weight: 700;
}

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

.page-contact .type-card {
  padding: var(--pc-pad);
  border-radius: var(--radius-md);
  border: 1px solid var(--hair);
  background: rgba(244, 240, 230, 0.04);
  transition: border-color 0.3s ease, transform 0.3s ease, background-color 0.3s ease;
}

.page-contact .type-card:hover {
  border-color: var(--c-flare);
  background: rgba(244, 240, 230, 0.07);
  transform: translateY(-3px);
}

.page-contact .type-card[data-filtered-out] {
  display: none;
}

.page-contact .type-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-teal);
}

.page-contact .type-title {
  margin: 0.6rem 0 0.6rem;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--c-white);
}

.page-contact .type-text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--pc-soft);
}

/* ---------- 时效与边界 ---------- */
.page-contact .contact-rules {
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
}

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

.page-contact .rules-text {
  max-width: 46ch;
  margin-top: 1.1rem;
  font-size: 1rem;
  line-height: var(--lh-body);
  color: var(--pc-soft);
}

.page-contact .reply-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 2.25rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--hair);
}

.page-contact .reply-value {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.85rem, 5vw, 2.7rem);
  line-height: 1;
  letter-spacing: var(--ls-data);
  color: var(--c-flare);
}

.page-contact .reply-label {
  display: block;
  margin-top: 0.6rem;
  font-size: 0.74rem;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: var(--pc-faint);
}

.page-contact .rules-boundary {
  padding: clamp(1.5rem, 3vw, 2.1rem);
  border-radius: var(--radius-lg);
  background: var(--c-pitch);
  border: 1px solid rgba(45, 212, 191, 0.18);
  box-shadow: 0 26px 52px -40px rgba(0, 0, 0, 0.9);
}

.page-contact .rules-boundary .h3 {
  color: var(--c-white);
}

.page-contact .boundary-list {
  list-style: none;
  margin: 1.15rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-contact .boundary-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.92rem;
  line-height: 1.68;
  color: rgba(244, 240, 230, 0.84);
}

.page-contact .boundary-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 13px;
  height: 2px;
  border-radius: 2px;
  background: var(--c-warn);
}

/* ---------- 反馈路径图文 ---------- */
.page-contact .contact-feedback-media {
  padding-block: clamp(2rem, 4vw, 3.5rem);
}

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

.page-contact .feedback-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--hair);
  background: var(--c-pitch);
}

.page-contact .feedback-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-contact .feedback-figure .media-caption {
  padding: 0.9rem 1.15rem 1.1rem;
  font-size: 0.76rem;
  color: var(--pc-faint);
}

.page-contact .feedback-copy h2 {
  margin-top: 0;
}

.page-contact .feedback-copy p {
  max-width: 48ch;
  margin-top: 1rem;
  font-size: 0.98rem;
  line-height: var(--lh-body);
  color: var(--pc-soft);
}

.page-contact .feedback-note {
  padding-left: 1.15rem;
  border-left: 3px solid var(--c-teal);
  color: var(--pc-faint) !important;
  font-size: 0.9rem !important;
}

/* ---------- 常见问题 ---------- */
.page-contact .contact-faq {
  padding-block: clamp(2.5rem, 5vw, 4rem);
}

.page-contact .faq-list {
  margin: 1.75rem 0 0;
  border-top: 1px solid var(--hair);
}

.page-contact .faq-item {
  display: grid;
  gap: 0.45rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--hair);
}

.page-contact .faq-item dt {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-white);
}

.page-contact .faq-item dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--pc-soft);
}

/* ---------- 底部地图与内链 ---------- */
.page-contact .contact-map {
  padding-block: clamp(2.5rem, 5vw, 4rem) clamp(3rem, 6vw, 5rem);
  border-top: 1px solid var(--hair);
}

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

.page-contact .map-text {
  max-width: 46ch;
  margin-top: 1rem;
  font-size: 0.98rem;
  line-height: var(--lh-body);
  color: var(--pc-soft);
}

.page-contact .map-links {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-contact .map-links a {
  font-size: 0.95rem;
}

.page-contact .map-art {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--hair);
  background: linear-gradient(135deg, rgba(18, 74, 51, 0.9), rgba(11, 46, 32, 0.94));
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .channel-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .channel-card--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 800px) {
  .page-contact .type-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .faq-item {
    grid-template-columns: 5fr 7fr;
    gap: 2rem;
    align-items: baseline;
    padding: 1.4rem 0;
  }

  .page-contact .feedback-media-grid {
    grid-template-columns: 5fr 7fr;
  }

  .page-contact .map-layout {
    grid-template-columns: 5fr 7fr;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-contact .channel-layout {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-contact .rules-layout {
    grid-template-columns: 7fr 5fr;
  }
}

@media (min-width: 1080px) {
  .page-contact .type-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card::after,
  .page-contact .flow-step::before,
  .page-contact .type-card,
  .page-contact .filter-btn {
    transition: none;
  }
}