/* ===== 联系我们 · 页面专属 ===== */
.page-contact {
  --pc-ink: #1B1917;
  --pc-cream: #F5F3EC;
  --pc-red: #D84A2E;
  --pc-orange: #F26D21;
  --pc-line: #D0C7B5;
  --pc-steel: #355C7D;
  --pc-dark: #2C2925;
  --pc-bone: #E7DFD3;
  --pc-muted: #7A7066;
  --pc-highlight: #F7C548;
  background: var(--pc-cream);
  color: var(--pc-ink);
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  background:
    linear-gradient(rgba(245, 243, 236, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 243, 236, 0.045) 1px, transparent 1px),
    linear-gradient(150deg, #211E1A 0%, var(--pc-ink) 76%);
  background-size: 26px 26px, 26px 26px, auto;
  color: var(--pc-cream);
  padding: 34px 0 84px;
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 38%;
  height: 100%;
  background: var(--pc-red);
  clip-path: polygon(32% 0, 100% 0, 100% 100%, 0 100%);
  z-index: 0;
}

.page-contact .contact-hero__band {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 22px;
  background: var(--pc-highlight);
  clip-path: polygon(0 0, 24% 0, 12% 100%, 0 100%);
  z-index: 0;
}

.page-contact .contact-hero__shell {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero .breadcrumbs {
  font-size: 13px;
  font-family: var(--font-mono);
  color: rgba(245, 243, 236, 0.6);
  margin: 0 0 20px;
  padding: 0;
}

.page-contact .contact-hero .breadcrumbs a {
  color: rgba(245, 243, 236, 0.9);
  text-underline-offset: 3px;
}

.page-contact .contact-hero .breadcrumbs [aria-current="page"] {
  color: var(--pc-highlight);
}

.page-contact .contact-hero__layout {
  display: grid;
  gap: 18px;
  padding-top: 14px;
}

.page-contact .contact-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--pc-highlight);
}

.page-contact .contact-hero__kicker::before {
  content: "";
  width: 30px;
  height: 4px;
  background: var(--pc-orange);
  display: block;
}

.page-contact .contact-hero h1 {
  margin: 0 0 14px;
  font-size: 34px;
  line-height: 1.14;
  font-weight: 900;
  letter-spacing: -0.02em;
  max-width: 820px;
}

.page-contact .contact-hero .lead {
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(245, 243, 236, 0.78);
  max-width: 640px;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

.page-contact .contact-hero__trail {
  position: absolute;
  left: 0;
  bottom: 34px;
  width: 78%;
  max-width: 620px;
  height: auto;
  z-index: 0;
  pointer-events: none;
  opacity: 0.9;
}

/* ---------- 联系方式 ---------- */
.page-contact .contact-channels {
  padding: 56px 0 28px;
}

.page-contact .contact-channels__grid {
  display: grid;
  gap: 40px;
}

.page-contact .contact-channels__left .section-title,
.page-contact .contact-channels__left h2 {
  margin: 0 0 22px;
}

.page-contact .contact-card-list {
  display: grid;
  gap: 16px;
}

.page-contact .contact-card {
  position: relative;
  padding: 22px 20px;
  background: var(--pc-cream);
  border: 1px solid var(--pc-line);
  box-shadow: 6px 6px 0 rgba(27, 25, 23, 0.08);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  top: 18px;
  right: 18px;
  width: 8px;
  height: 8px;
  background: var(--pc-red);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.page-contact .contact-card__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 14px;
  padding-right: 12px;
}

.page-contact .contact-card__label {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-contact .contact-card__badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 4px 8px;
  background: var(--pc-ink);
  color: var(--pc-cream);
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

.page-contact .contact-card--mail {
  background: var(--pc-ink);
  border-color: var(--pc-ink);
  color: var(--pc-cream);
  box-shadow: 6px 6px 0 rgba(216, 74, 46, 0.22);
}

.page-contact .contact-card--mail .contact-card__label {
  color: var(--pc-cream);
}

.page-contact .contact-card__mail {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 16px;
  align-items: center;
}

.page-contact .contact-card__mail-icon {
  width: 92px;
  height: auto;
  object-fit: contain;
  border: 1px solid rgba(245, 243, 236, 0.18);
  background: var(--pc-bone);
  padding: 8px;
}

.page-contact .contact-card__mailbody {
  min-width: 0;
}

.page-contact .contact-card__mono {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  word-break: break-all;
  overflow-wrap: anywhere;
  display: block;
}

.page-contact .contact-card--mail .contact-card__mono {
  color: var(--pc-highlight);
}

.page-contact .contact-card--phone .contact-card__mono,
.page-contact .contact-card--addr .contact-card__mono {
  color: var(--pc-red);
}

.page-contact .contact-card__mono--xl {
  font-size: 22px;
  letter-spacing: 0.02em;
  margin-bottom: 10px;
}

.page-contact .contact-card__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--pc-muted);
}

.page-contact .contact-card--mail .contact-card__note {
  color: rgba(245, 243, 236, 0.7);
}

.page-contact .contact-card__addr {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  margin: 0;
}

.page-contact .contact-channels__right {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-contact .contact-support__media {
  margin: 0;
  border: 1px solid var(--pc-line);
  background: var(--pc-bone);
  padding: 10px 10px 8px;
}

.page-contact .contact-support__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .contact-support__media figcaption {
  padding: 8px 4px 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--pc-muted);
}

.page-contact .contact-service {
  background: var(--pc-dark);
  color: var(--pc-cream);
  padding: 24px 20px 22px;
  position: relative;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-contact .contact-service::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 16px;
  width: 6px;
  height: 48px;
  background: var(--pc-orange);
}

.page-contact .contact-service .section-title {
  color: var(--pc-cream);
  margin: 0 0 12px;
}

.page-contact .contact-service__hours {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--pc-highlight);
}

.page-contact .contact-service__list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .contact-service__list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
  padding: 10px 0 10px 14px;
  border-top: 1px solid rgba(245, 243, 236, 0.14);
  font-size: 13px;
}

.page-contact .contact-service__list li b {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--pc-highlight);
  white-space: nowrap;
}

.page-contact .contact-service__note {
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
  color: rgba(245, 243, 236, 0.62);
}

/* ---------- 商务合作 ---------- */
.page-contact .contact-cooperation {
  position: relative;
  margin-top: 48px;
  padding: 52px 0 60px;
  background:
    linear-gradient(rgba(53, 92, 125, 0.22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53, 92, 125, 0.22) 1px, transparent 1px),
    var(--pc-ink);
  background-size: 32px 32px, 32px 32px, auto;
  color: var(--pc-cream);
  overflow: hidden;
}

.page-contact .contact-cooperation > .shell {
  position: relative;
  z-index: 1;
}

.page-contact .contact-cooperation .section-title {
  color: var(--pc-cream);
  margin: 0 0 16px;
}

.page-contact .contact-cooperation__lead {
  margin: 0 0 28px;
  max-width: 720px;
  color: rgba(245, 243, 236, 0.78);
}

.page-contact .contact-cooperation__grid {
  display: grid;
  gap: 32px;
}

.page-contact .contact-coop-list {
  display: grid;
  gap: 12px;
}

.page-contact .contact-coop-item {
  position: relative;
  border: 1px solid rgba(245, 243, 236, 0.16);
  border-left: 4px solid var(--pc-orange);
  background: rgba(245, 243, 236, 0.04);
  padding: 18px 18px 16px 20px;
}

.page-contact .contact-coop-item__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--pc-red);
  background: var(--pc-cream);
  padding: 3px 6px;
  margin-bottom: 10px;
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

.page-contact .contact-coop-item h3 {
  margin: 0 0 6px;
  font-size: 19px;
  letter-spacing: 0.02em;
}

.page-contact .contact-coop-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 243, 236, 0.72);
}

.page-contact .contact-cooperation__aside {
  padding: 26px 22px 22px;
  background: var(--pc-dark);
  border-top: 6px solid var(--pc-red);
  position: relative;
}

.page-contact .contact-cooperation__asidetitle {
  margin: 0 0 16px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-contact .contact-coop-flow {
  list-style: none;
  counter-reset: flow;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .contact-coop-flow li {
  counter-increment: flow;
  position: relative;
  padding: 12px 0 12px 42px;
  border-bottom: 1px solid rgba(245, 243, 236, 0.16);
  font-size: 14px;
  line-height: 1.55;
}

.page-contact .contact-coop-flow li::before {
  content: counter(flow, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--pc-highlight);
  background: rgba(247, 197, 72, 0.12);
  padding: 4px 6px;
}

.page-contact .contact-cooperation__note {
  border: 1px dashed rgba(245, 243, 236, 0.28);
  padding: 12px 14px;
}

.page-contact .contact-cooperation__note p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(245, 243, 236, 0.68);
}

.page-contact .contact-cooperation__trail {
  position: absolute;
  right: -40px;
  bottom: 20px;
  width: 64%;
  max-width: 640px;
  height: auto;
  pointer-events: none;
  opacity: 0.8;
}

/* ---------- 快速反馈 ---------- */
.page-contact .contact-fastpanel {
  padding: 56px 0 64px;
}

.page-contact .contact-fastpanel .section-title {
  margin: 0 0 24px;
}

.page-contact .contact-fastpanel__grid {
  display: grid;
  gap: 32px;
}

.page-contact .contact-feedback-list {
  display: grid;
  gap: 0;
}

.page-contact .contact-feedback-item {
  padding: 18px 0;
  border-top: 1px solid var(--pc-line);
  border-bottom: 1px solid var(--pc-line);
  margin-top: -1px;
}

.page-contact .contact-feedback-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.page-contact .contact-feedback-item h3 {
  margin: 0;
  font-size: 20px;
}

.page-contact .contact-feedback-item__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 4px 8px;
  background: var(--pc-orange);
  color: #fff;
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

.page-contact .contact-feedback-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--pc-muted);
}

.page-contact .contact-feedback-item .contact-feedback-item__hint {
  margin-top: 8px;
  font-size: 13px;
  color: var(--pc-steel);
}

.page-contact .contact-fastpanel__aside {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-contact .contact-fastpanel__doc,
.page-contact .contact-fastpanel__nav {
  background: var(--pc-bone);
  border: 1px solid var(--pc-line);
  padding: 20px;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.page-contact .contact-fastpanel__doc {
  background: var(--pc-ink);
  border-color: var(--pc-ink);
  color: var(--pc-cream);
}

.page-contact .contact-fastpanel__doctitle {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--pc-highlight);
}

.page-contact .contact-fastpanel__doclist {
  margin: 0;
  padding: 0 0 0 18px;
  display: grid;
  gap: 6px;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(245, 243, 236, 0.78);
}

.page-contact .contact-fastpanel__doclist li::marker {
  color: var(--pc-orange);
}

.page-contact .contact-fastpanel__nav {
  display: grid;
  gap: 8px;
}

.page-contact .contact-fastpanel__nav .contact-fastpanel__doctitle {
  color: var(--pc-ink);
  margin-bottom: 6px;
}

.page-contact .contact-fastpanel__nav a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--pc-ink);
  text-decoration: none;
  padding: 8px 0;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .contact-fastpanel__nav a::before {
  content: "→";
  font-family: var(--font-mono);
  color: var(--pc-red);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .contact-card-list {
    grid-template-columns: 1fr 1fr;
  }

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

  .page-contact .contact-card__mail {
    grid-template-columns: 120px 1fr;
  }

  .page-contact .contact-card__mail-icon {
    width: 120px;
  }

  .page-contact .contact-hero h1 {
    font-size: 46px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero {
    padding: 44px 0 96px;
  }

  .page-contact .contact-hero h1 {
    font-size: 52px;
  }

  .page-contact .contact-hero__layout {
    grid-template-columns: 1fr auto;
    align-items: end;
  }

  .page-contact .contact-hero__meta {
    display: grid;
    gap: 12px;
    justify-items: end;
    font-family: var(--font-mono);
    font-size: 12px;
    color: rgba(245, 243, 236, 0.72);
  }

  .page-contact .contact-hero__stamp {
    display: inline-block;
    background: var(--pc-highlight);
    color: var(--pc-ink);
    padding: 6px 10px;
    font-weight: 700;
    text-align: center;
  }

  .page-contact .contact-channels__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    gap: 44px;
  }

  .page-contact .contact-cooperation {
    margin-top: 64px;
    padding: 64px 0 72px;
  }

  .page-contact .contact-cooperation__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 48px;
  }

  .page-contact .contact-coop-list {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .page-contact .contact-fastpanel__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 48px;
  }
}