.page-contact {
  --c-rule: rgba(232, 241, 236, 0.16);
  --c-rule-soft: rgba(232, 241, 236, 0.08);
  --c-card: rgba(244, 239, 227, 0.055);
  --c-deep: rgba(7, 19, 16, 0.55);
}

.page-contact [id] {
  scroll-margin-top: 120px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  gap: 26px;
  padding: 6px 0 0;
}

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

.page-contact .contact-hero .breadcrumb {
  margin-bottom: 18px;
}

.page-contact .contact-hero__lede {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--data-white);
}

.page-contact .contact-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-contact .contact-hero__pulse {
  display: grid;
  gap: 14px 24px;
  grid-template-columns: 1fr;
  margin: 30px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--c-rule-soft);
}

.page-contact .pulse-item {
  min-width: 0;
}

.page-contact .contact-hero__pulse dt {
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .contact-hero__pulse dd {
  margin: 5px 0 0;
  font-size: 15px;
  color: var(--cream);
}

.page-contact .contact-hero__figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--c-rule);
  background: var(--shadow-green);
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.04);
}

.page-contact .contact-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(12, 31, 26, 0.08) 32%, rgba(12, 31, 26, 0.76) 100%);
}

.page-contact .contact-hero__figure figcaption {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 14px;
  z-index: 1;
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cream);
}

/* ---------- 展签网格 ---------- */
.page-contact .contact-grid {
  display: grid;
  gap: 20px;
  margin-top: 56px;
}

.page-contact .contact-grid__main {
  display: grid;
  gap: 20px;
  min-width: 0;
}

.page-contact .board {
  position: relative;
  min-width: 0;
  padding: 26px 20px 28px;
  border: 1px solid var(--c-rule);
  background: var(--c-card);
}

.page-contact .board::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 58px;
  height: 2px;
  background: var(--accent);
}

.page-contact .board__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--cream);
}

.page-contact .board__lede {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--data-white);
}

.page-contact .board__foot {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--c-rule-soft);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 纠错要素拼装 ---------- */
.page-contact .draft {
  margin-top: 22px;
  padding: 16px 14px 18px;
  border: 1px solid var(--c-rule-soft);
  background: var(--c-deep);
}

.page-contact .draft__label {
  margin: 0 0 14px;
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

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

.page-contact .draft__opts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .draft__opt {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--data-white);
  cursor: pointer;
}

.page-contact .draft__opt input {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  position: relative;
  width: 16px;
  height: 16px;
  margin: 3px 0 0;
  border: 1px solid var(--c-rule);
  background: transparent;
  cursor: pointer;
}

.page-contact .draft__opt input:checked {
  border-color: var(--accent);
  background: var(--accent);
}

.page-contact .draft__opt input:checked::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--pitch);
}

.page-contact .draft__opt input:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .draft__out {
  min-width: 0;
  font-family: var(--font-data);
  font-size: 12.5px;
  line-height: 1.95;
  color: var(--data-white);
  padding-top: 12px;
  border-top: 1px solid var(--c-rule-soft);
}

.page-contact .draft__hint {
  margin: 0;
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.7;
}

.page-contact .draft__line {
  display: block;
  margin: 0;
  overflow-wrap: anywhere;
}

@supports selector(:has(*)) {
  .page-contact .draft__line {
    display: none;
  }
  .page-contact .draft:has(#dc-team:checked) .draft__line--team,
  .page-contact .draft:has(#dc-round:checked) .draft__line--round,
  .page-contact .draft:has(#dc-field:checked) .draft__line--field,
  .page-contact .draft:has(#dc-source:checked) .draft__line--source,
  .page-contact .draft:has(#dc-value:checked) .draft__line--value {
    display: block;
  }
  .page-contact .draft:has(input:checked) .draft__hint {
    display: none;
  }
}

/* ---------- 协作 ---------- */
.page-contact .collab-split {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.page-contact .collab-split__fig {
  margin: 0;
  border: 1px solid var(--c-rule);
  overflow: hidden;
}

.page-contact .collab-split__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  filter: saturate(0.8) contrast(1.05) brightness(0.92);
}

.page-contact .collab-split__body {
  min-width: 0;
}

.page-contact .collab-split__body > p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--data-white);
}

.page-contact .collab-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  border-top: 1px solid var(--c-rule-soft);
}

.page-contact .collab-list li {
  position: relative;
  padding: 10px 0 10px 18px;
  border-bottom: 1px solid var(--c-rule-soft);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--data-white);
}

.page-contact .collab-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 19px;
  width: 8px;
  height: 2px;
  background: var(--accent);
}

.page-contact .collab-split__note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 右侧竖栏 ---------- */
.page-contact .contact-grid__side {
  min-width: 0;
}

.page-contact .rail {
  position: relative;
  padding: 24px 20px 26px;
  border: 1px solid var(--c-rule);
  background: var(--glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.page-contact .rail::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 2px;
  height: 72px;
  background: var(--accent);
}

.page-contact .rail__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--cream);
}

.page-contact .rail__note {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--data-white);
}

.page-contact .rail__sched {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  border-top: 1px solid var(--c-rule-soft);
}

.page-contact .rail__sched li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--c-rule-soft);
}

.page-contact .rail__k {
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .rail__v {
  font-size: 14px;
  color: var(--cream);
  text-align: right;
}

.page-contact .rail__hint {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 通信地址等宽带 ---------- */
.page-contact .address-band {
  margin-top: 60px;
  padding: 26px 0 28px;
  border-top: 1px solid var(--c-rule);
  border-bottom: 1px solid var(--c-rule);
  background-image: repeating-linear-gradient(
    90deg,
    rgba(232, 241, 236, 0.06) 0 1px,
    transparent 1px 56px
  );
}

.page-contact .address-band__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.8vw, 26px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--cream);
}

.page-contact .address-band__line {
  margin: 16px 0 0;
  font-family: var(--font-data);
  font-size: clamp(19px, 3.6vw, 30px);
  letter-spacing: 0.04em;
  line-height: 1.35;
  color: var(--accent);
  overflow-wrap: anywhere;
}

.page-contact .address-band__note {
  margin: 16px 0 0;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--data-white);
}

/* ---------- 联系方式汇总 ---------- */
.page-contact .directory {
  margin-top: 56px;
}

.page-contact .directory__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 36px);
  font-weight: 700;
  line-height: 1.12;
  color: var(--cream);
}

.page-contact .directory__grid {
  display: grid;
  gap: 22px;
  margin-top: 22px;
}

.page-contact .directory__item {
  display: grid;
  gap: 8px;
  align-content: start;
  padding-top: 14px;
  border-top: 2px solid var(--accent);
}

.page-contact .directory__key {
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .directory__val {
  font-family: var(--font-data);
  font-size: clamp(16px, 2.4vw, 22px);
  line-height: 1.4;
  color: var(--cream);
  overflow-wrap: anywhere;
}

.page-contact .directory__meta {
  font-size: 14px;
  line-height: 1.72;
  color: var(--data-white);
}

.page-contact .contact-links {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  border-top: 1px solid var(--c-rule-soft);
}

.page-contact .contact-links li {
  border-bottom: 1px solid var(--c-rule-soft);
}

.page-contact .contact-links a {
  position: relative;
  display: block;
  padding: 14px 0 14px 16px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--data-white);
  text-decoration: none;
  transition: color 0.22s var(--ease);
}

.page-contact .contact-links a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 0;
  height: 2px;
  transform: translateY(-50%);
  background: var(--accent);
  transition: width 0.22s var(--ease);
}

.page-contact .contact-links a:hover,
.page-contact .contact-links a:focus-visible {
  color: var(--cream);
}

.page-contact .contact-links a:hover::before,
.page-contact .contact-links a:focus-visible::before {
  width: 9px;
}

.page-contact .contact-links a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-contact .contact-hero__pulse {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .draft__cols {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 20px;
  }

  .page-contact .draft__out {
    padding-top: 0;
    padding-left: 18px;
    border-top: 0;
    border-left: 1px solid var(--c-rule-soft);
  }

  .page-contact .collab-split {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 22px;
  }

  .page-contact .directory__grid {
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
    gap: 28px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
    align-items: end;
  }

  .page-contact .contact-hero__figure img {
    aspect-ratio: 3 / 4;
  }

  .page-contact .contact-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 32px;
    align-items: start;
  }

  .page-contact .contact-grid__side {
    position: sticky;
    top: 104px;
  }

  .page-contact .board {
    padding: 32px 30px 34px;
  }

  .page-contact .board--fix {
    clip-path: polygon(
      0 0,
      100% 0,
      100% calc(100% - 30px),
      calc(100% - 30px) 100%,
      0 100%
    );
  }

  .page-contact .collab-split {
    grid-template-columns: 220px minmax(0, 1fr);
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-links a,
  .page-contact .contact-links a::before {
    transition: none;
  }
}