.page-contact {
  background: var(--ink);
  color: var(--white);
}

.page-contact .page-contact__crumbs {
  padding-top: 28px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-block: 36px 56px;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(138, 154, 149, .12) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(138, 154, 149, .12) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse at 72% 18%, #000 0%, transparent 72%);
  mask-image: radial-gradient(ellipse at 72% 18%, #000 0%, transparent 72%);
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  position: relative;
  display: grid;
  gap: 32px;
}

.page-contact .contact-hero__intro h1 {
  font-size: clamp(32px, 7.4vw, 64px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 800;
  margin: 14px 0 20px;
}

.page-contact .contact-hero__intro .lead {
  max-width: 60ch;
  color: var(--muted);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .contact-hero__meta {
  list-style: none;
  margin: 32px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--muted);
}

.page-contact .contact-hero__meta .num {
  display: block;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

.page-contact .contact-hero__media {
  border: 1px solid var(--line);
}

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

/* ---------- 主栏 + 侧边目录 ---------- */
.page-contact .contact-layout {
  display: grid;
  gap: 40px;
  padding-block: 48px 80px;
}

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

.page-contact .rail-nav {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
  padding: 16px;
}

.page-contact .rail-nav__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-contact .rail-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .rail-nav__link {
  display: block;
  padding: 5px 10px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .rail-nav__link:hover,
.page-contact .rail-nav__link:focus-visible {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

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

/* ---------- 区块通用 ---------- */
.page-contact .contact-block {
  scroll-margin-top: 96px;
  padding-bottom: 64px;
}

.page-contact .contact-block + .contact-block {
  border-top: 1px solid var(--line);
  padding-top: 64px;
}

.page-contact .contact-block h2 {
  font-size: clamp(24px, 4.2vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.015em;
  font-weight: 800;
  margin: 12px 0 16px;
}

.page-contact .contact-block__lead {
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0;
}

/* ---------- 三条联系路径 ---------- */
.page-contact .path-grid {
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

.page-contact .path-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 20px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .path-card:hover,
.page-contact .path-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--cyan);
  background: var(--ink-3);
}

.page-contact .path-card--signal {
  border-left: 2px solid var(--signal);
}

.page-contact .path-card__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--muted);
}

.page-contact .path-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.6vw, 20px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--cyan);
  overflow-wrap: anywhere;
  font-variant-numeric: tabular-nums;
}

.page-contact .path-card__value--text {
  font-family: var(--font-sans);
  font-weight: 700;
  color: var(--white);
}

.page-contact .path-card__for {
  flex: 1;
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .copy-btn {
  position: relative;
  overflow: hidden;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-contact .copy-btn[data-copied]::after {
  content: "已复制";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cyan);
  color: var(--ink);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  letter-spacing: .08em;
}

/* ---------- 响应节奏 ---------- */
.page-contact .clock-bar {
  display: grid;
  gap: 1px;
  margin-top: 30px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .clock-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 20px;
  background: var(--ink-2);
}

.page-contact .clock-item__value {
  font-family: var(--font-mono);
  font-size: clamp(21px, 3.4vw, 30px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-contact .clock-item__label {
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 甘肃本地服务 ---------- */
.page-contact .gansu {
  display: grid;
  gap: 24px;
  margin-top: 30px;
}

.page-contact .gansu__media {
  border: 1px solid var(--line);
}

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

.page-contact .gansu__panel {
  padding: 24px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--ink-2);
  background-image:
    linear-gradient(to right, rgba(138, 154, 149, .1) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(138, 154, 149, .1) 1px, transparent 1px);
  background-size: 40px 40px;
}

.page-contact .gansu__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px 8px;
}

.page-contact .gansu__node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 6px 2px;
  border-radius: var(--radius);
  outline: none;
  cursor: default;
}

.page-contact .gansu__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ink-3);
  border: 1px solid var(--line-strong);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .gansu__name {
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--muted);
  transition: color var(--dur) var(--ease);
}

.page-contact .gansu__node:hover .gansu__dot,
.page-contact .gansu__node:focus-visible .gansu__dot {
  background: var(--cyan);
  box-shadow: 0 0 0 4px var(--cyan-soft);
  transform: scale(1.3);
}

.page-contact .gansu__node:hover .gansu__name,
.page-contact .gansu__node:focus-visible .gansu__name {
  color: var(--white);
}

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

.page-contact .gansu__note {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 提问清单 ---------- */
.page-contact .brief-grid {
  display: grid;
  gap: 1px;
  margin-top: 30px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .brief-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 20px;
  background: var(--ink-2);
  transition: background var(--dur) var(--ease);
}

.page-contact .brief-card:hover {
  background: var(--ink-3);
}

.page-contact .brief-card__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-contact .brief-card__title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-contact .brief-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 社群共建 ---------- */
.page-contact .cobuild__list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .cobuild__list li {
  display: flex;
  gap: 14px;
  padding: 18px 20px;
  background: var(--ink-2);
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .cobuild__list li::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  margin-top: 11px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-contact .cobuild__list li strong {
  color: var(--white);
  font-weight: 700;
  margin-right: 4px;
}

.page-contact .cobuild__contact {
  margin: 24px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .cobuild__contact .num,
.page-contact .visit__note .num {
  font-family: var(--font-mono);
  color: var(--cyan);
  overflow-wrap: anywhere;
}

/* ---------- 站点地址 ---------- */
.page-contact .visit {
  margin-top: 30px;
  padding: 28px 22px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-left: 2px solid var(--signal);
  border-radius: var(--radius);
}

.page-contact .visit__addr {
  margin: 0 0 14px;
  font-size: clamp(16px, 2.6vw, 21px);
  line-height: 1.55;
  letter-spacing: .01em;
  color: var(--white);
  font-weight: 700;
}

.page-contact .visit__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 62ch;
}

.page-contact .visit__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

/* ---------- 窄屏到宽屏的栅格 ---------- */
@media (min-width: 640px) {
  .page-contact .gansu__grid {
    grid-template-columns: repeat(7, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-contact .contact-hero {
    padding-block: 48px 72px;
  }

  .page-contact .clock-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .brief-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .path-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .clock-bar {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .gansu {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 28px;
    align-items: stretch;
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 1fr) 224px;
    gap: 72px;
    align-items: start;
    padding-block: 72px 120px;
  }

  .page-contact .contact-rail {
    position: sticky;
    top: 32px;
  }

  .page-contact .rail-nav__list {
    display: block;
  }

  .page-contact .rail-nav__list li + li {
    margin-top: 6px;
  }

  .page-contact .rail-nav__link {
    border-color: transparent;
    padding: 6px 8px;
  }

  .page-contact .brief-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .contact-block {
    padding-bottom: 88px;
  }

  .page-contact .contact-block + .contact-block {
    padding-top: 88px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .path-card,
  .page-contact .brief-card,
  .page-contact .gansu__dot,
  .page-contact .gansu__name,
  .page-contact .rail-nav__link {
    transition: none;
  }

  .page-contact .path-card:hover {
    transform: none;
  }

  .page-contact .gansu__node:hover .gansu__dot {
    transform: none;
  }
}