/* ===== 联系我们 · page-contact ===== */
.page-contact {
  --pc-gap: clamp(1rem, 2.5vw, 1.75rem);
  --pc-section: clamp(3rem, 7vw, 5.75rem);
  --pc-panel: clamp(1.35rem, 4vw, 2.6rem);
  display: block;
  background: var(--c-grass);
  color: var(--c-bone);
  overflow-wrap: break-word;
}

.page-contact .contact-crumb {
  padding-top: calc(var(--header-h) + 1.25rem);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-block: clamp(1.5rem, 4vw, 3rem) var(--pc-section);
}

.page-contact .contact-hero-grid {
  display: grid;
  gap: clamp(1.6rem, 4.5vw, 2.75rem);
  align-items: center;
}

.page-contact .contact-hero-copy h1 {
  font-family: var(--font-head);
  font-size: clamp(2.1rem, 6.4vw, 4.2rem);
  line-height: 0.98;
  letter-spacing: -0.015em;
  margin: 0.65rem 0 0;
  text-wrap: balance;
}

.page-contact .contact-lede {
  margin: clamp(1rem, 2.4vw, 1.4rem) 0 0;
  max-width: 40rem;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.85;
  color: var(--text-soft);
}

.page-contact .contact-facts {
  list-style: none;
  margin: clamp(1.5rem, 3.5vw, 2.25rem) 0 0;
  padding: clamp(1.15rem, 2.5vw, 1.5rem) 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 1rem;
}

.page-contact .contact-facts li {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.page-contact .fact-num {
  font-family: var(--font-mono);
  font-size: clamp(0.98rem, 1.7vw, 1.12rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--c-lime);
}

.page-contact .fact-label {
  font-size: 0.85rem;
  color: var(--c-slate);
}

.page-contact .contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: clamp(1.5rem, 3.5vw, 2.1rem);
}

.page-contact .contact-hero-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--c-ink);
  clip-path: polygon(0 3%, 100% 0, 100% 97%, 0 100%);
}

.page-contact .contact-hero-media img {
  display: block;
  width: 100%;
  height: clamp(13rem, 52vw, 22rem);
  object-fit: cover;
}

.page-contact .contact-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(200deg, rgba(11, 61, 46, 0.55) 0%, rgba(7, 30, 23, 0) 55%),
    repeating-linear-gradient(0deg, rgba(198, 255, 61, 0.06) 0 1px, transparent 1px 46px);
  mix-blend-mode: screen;
}

/* ---------- 联系方式 ---------- */
.page-contact .contact-channels {
  padding-block: var(--pc-section);
  background: var(--c-ink);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .channels-head {
  max-width: 48rem;
}

.page-contact .channels-head h2,
.page-contact .types-intro h2,
.page-contact .prep-panel h2 {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 4.2vw, 2.5rem);
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin: 0.6rem 0 0.85rem;
  text-wrap: balance;
}

.page-contact .channels-head p,
.page-contact .types-intro p {
  margin: 0;
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.85;
}

.page-contact .channel-grid {
  display: grid;
  gap: 1rem;
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: var(--pc-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(152deg, rgba(27, 94, 68, 0.5) 0%, rgba(7, 30, 23, 0.72) 78%);
}

.page-contact .channel-card-primary {
  border-color: var(--line-lime);
}

.page-contact .channel-card-primary::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--c-lime);
}

.page-contact .channel-tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--c-orange);
}

.page-contact .channel-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.2rem, 2.6vw, 1.42rem);
  line-height: 1.1;
}

.page-contact .channel-value {
  margin: 0.15rem 0 0;
  font-family: var(--font-mono);
  font-size: clamp(0.92rem, 2vw, 1.08rem);
  font-weight: 700;
  overflow-wrap: anywhere;
}

.page-contact .channel-value a {
  color: var(--c-lime-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line-lime);
  transition: color var(--d-fast) var(--ease), border-color var(--d-fast) var(--ease);
}

.page-contact .channel-value a:hover,
.page-contact .channel-value a:focus-visible {
  color: var(--c-lime);
  border-bottom-color: var(--c-lime);
}

.page-contact .channel-text {
  margin: 0.35rem 0 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-contact .channel-note {
  margin: 0.5rem 0 0;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--line);
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--c-slate);
}

.page-contact .address-band {
  margin-top: clamp(1.25rem, 3vw, 2rem);
  display: grid;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(140deg, rgba(185, 133, 107, 0.16) 0%, rgba(27, 94, 68, 0.42) 100%);
}

.page-contact .address-media {
  margin: 0;
  min-height: 12rem;
}

.page-contact .address-media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 12rem;
  object-fit: cover;
}

.page-contact .address-copy {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  justify-content: center;
  padding: var(--pc-panel);
}

.page-contact .address-copy h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.12rem, 2.6vw, 1.45rem);
  line-height: 1.32;
}

.page-contact .address-copy p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-contact .address-icp {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--c-slate);
}

/* ---------- 四类需求 ---------- */
.page-contact .contact-types {
  padding-block: var(--pc-section);
}

.page-contact .contact-types-grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-contact .type-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .type-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(0.9rem, 2.5vw, 2rem);
  padding-block: clamp(1.15rem, 3vw, 1.85rem);
  border-bottom: 1px solid var(--line);
}

.page-contact .type-index {
  padding-top: 0.18rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-orange);
  transition: color var(--d-fast) var(--ease);
}

.page-contact .type-item:hover .type-index {
  color: var(--c-lime);
}

.page-contact .type-body h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-head);
  font-size: clamp(1.08rem, 2.3vw, 1.24rem);
  line-height: 1.2;
}

.page-contact .type-body p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--text-soft);
}

/* ---------- 准备事项 + 快捷入口 ---------- */
.page-contact .contact-prep {
  padding-block: 0 var(--pc-section);
}

.page-contact .contact-prep-grid {
  display: grid;
  gap: clamp(1.1rem, 3vw, 1.75rem);
}

.page-contact .prep-panel {
  position: relative;
  padding: var(--pc-panel);
  border: 1px solid var(--line-lime);
  border-radius: var(--radius);
  background: var(--c-ink);
  overflow: hidden;
}

.page-contact .prep-panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-lime) 0%, var(--c-orange) 52%, rgba(255, 122, 26, 0) 100%);
}

.page-contact .prep-lede {
  margin: 0;
  max-width: 42rem;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-contact .prep-list {
  list-style: none;
  margin: clamp(1.25rem, 3vw, 1.85rem) 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-contact .prep-list li {
  display: grid;
  gap: 0.32rem;
  padding: 0.85rem clamp(0.85rem, 2vw, 1.2rem);
  background: rgba(11, 61, 46, 0.6);
  border-left: 2px solid var(--c-moss);
  transition: border-color var(--d-fast) var(--ease), background-color var(--d-fast) var(--ease);
}

.page-contact .prep-list li:hover {
  border-left-color: var(--c-lime);
  background: rgba(27, 94, 68, 0.62);
}

.page-contact .prep-key {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c-lime);
}

.page-contact .prep-val {
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-contact .prep-foot {
  margin: clamp(1.1rem, 2.6vw, 1.5rem) 0 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--c-slate);
}

.page-contact .prep-aside {
  padding: var(--pc-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(158deg, var(--c-moss) 0%, var(--c-grass) 68%);
}

.page-contact .prep-aside h3 {
  margin: 0 0 0.7rem;
  font-family: var(--font-head);
  font-size: clamp(1.12rem, 2.4vw, 1.36rem);
  line-height: 1.22;
}

.page-contact .prep-aside > p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-contact .prep-links {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: grid;
}

.page-contact .prep-links a {
  position: relative;
  display: block;
  padding: 0.72rem 1.7rem 0.72rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--c-bone);
  font-size: 0.94rem;
  text-decoration: none;
  transition: color var(--d-fast) var(--ease), padding-left var(--d-fast) var(--ease);
}

.page-contact .prep-links a::after {
  content: "→";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--c-lime);
  opacity: 0.7;
  transition: opacity var(--d-fast) var(--ease);
}

.page-contact .prep-links a:hover,
.page-contact .prep-links a:focus-visible {
  color: var(--c-lime);
  padding-left: 0.4rem;
}

.page-contact .prep-links a:hover::after,
.page-contact .prep-links a:focus-visible::after {
  opacity: 1;
}

/* ---------- 断点 ---------- */
@media (min-width: 40rem) {
  .page-contact .contact-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .page-contact .address-band {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-contact .prep-list li {
    grid-template-columns: 8.5rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1rem;
  }
}

@media (min-width: 56rem) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .address-band {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1fr);
  }
}

@media (min-width: 62rem) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    column-gap: clamp(2rem, 5vw, 4.5rem);
  }

  .page-contact .contact-hero-media img {
    height: clamp(22rem, 33vw, 32rem);
  }

  .page-contact .contact-types-grid {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    column-gap: clamp(2rem, 5vw, 4.5rem);
  }

  .page-contact .types-intro {
    position: sticky;
    top: calc(var(--header-h) + 1.75rem);
    align-self: start;
  }

  .page-contact .contact-prep-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .prep-links a,
  .page-contact .type-index,
  .page-contact .prep-list li,
  .page-contact .channel-value a {
    transition: none;
  }

  .page-contact .prep-links a:hover,
  .page-contact .prep-links a:focus-visible {
    padding-left: 0;
  }
}