.page-contact {
  --accent: var(--cyan);
  --contact-line: rgba(232, 237, 246, 0.13);
  --contact-glow: rgba(43, 227, 210, 0.35);
  --contact-shadow: 0 8px 0 rgba(4, 7, 12, 0.72), 0 20px 38px rgba(2, 4, 8, 0.45);
  color: var(--text);
}

.page-contact h2 {
  font-size: clamp(22px, 3.6vw, 38px);
  line-height: 1.18;
  font-weight: 900;
  letter-spacing: -0.01em;
  margin: 10px 0 0;
}

.page-contact h3 {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.01em;
  margin: 0 0 8px;
}

.page-contact a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 227, 210, 0.4);
}

.page-contact a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: 32px;
  padding-bottom: 48px;
}

.page-contact .contact-hero h1 {
  font-size: clamp(29px, 6.4vw, 62px);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin: 14px 0 18px;
  max-width: 12em;
}

.page-contact .contact-hero__lede {
  max-width: 60ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
  margin: 0;
}

.page-contact .contact-hero__figure {
  margin-top: 36px;
}

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

/* ---------- 值班窗口 ---------- */
.page-contact .contact-window,
.page-contact .contact-channels,
.page-contact .contact-records,
.page-contact .contact-coop,
.page-contact .contact-prepare {
  padding-top: 52px;
  padding-bottom: 52px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-window__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px 24px;
}

.page-contact .contact-window__meta {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin: 0;
  white-space: nowrap;
}

.page-contact .clock {
  margin-top: 34px;
  padding-bottom: 30px;
}

.page-contact .clock__rail {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(24, minmax(0, 1fr));
  gap: 2px;
  height: 88px;
  border-bottom: 1px solid var(--line-strong);
}

.page-contact .clock__slot {
  position: relative;
  height: 100%;
}

.page-contact .clock__slot::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 22%;
  background: rgba(123, 138, 163, 0.2);
  transition: height 260ms var(--ease), background 260ms var(--ease);
}

.page-contact .clock__slot.is-on::before {
  height: 100%;
  background: linear-gradient(180deg, rgba(43, 227, 210, 0.85), rgba(43, 227, 210, 0.24));
  box-shadow: 0 0 14px var(--contact-glow);
}

.page-contact .clock__slot.is-off:hover::before {
  background: rgba(123, 138, 163, 0.42);
}

.page-contact .clock__slot span {
  position: absolute;
  left: 50%;
  bottom: -24px;
  transform: translateX(-50%);
  display: none;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}

.page-contact .clock__slot:nth-child(1) span,
.page-contact .clock__slot:nth-child(7) span,
.page-contact .clock__slot:nth-child(13) span,
.page-contact .clock__slot:nth-child(19) span {
  display: block;
}

.page-contact .contact-window__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-bottom: 26px;
}

.page-contact .legend {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}

.page-contact .legend i {
  width: 22px;
  height: 8px;
  display: inline-block;
}

.page-contact .legend--on i {
  background: var(--cyan);
  box-shadow: 0 0 10px var(--contact-glow);
}

.page-contact .legend--off i {
  background: rgba(123, 138, 163, 0.3);
}

.page-contact .contact-window__note {
  margin: 0;
  max-width: 68ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

/* ---------- 联系通道 ---------- */
.page-contact .contact-channels__head h2 {
  max-width: 16em;
}

.page-contact .filter-bar {
  margin-top: 26px;
  margin-bottom: 4px;
}

.page-contact .channel-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .channel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  min-height: 96px;
  padding: 20px 20px 20px 18px;
  border: 1px solid var(--contact-line);
  border-left: 3px solid var(--accent);
  background: var(--panel-2);
  box-shadow: var(--contact-shadow);
  transition: border-color 200ms var(--ease), transform 200ms var(--ease);
}

.page-contact .channel:hover {
  border-color: rgba(43, 227, 210, 0.45);
  border-left-color: var(--accent);
  transform: translateY(-2px);
}

.page-contact .channel__idx {
  font-size: 20px;
  letter-spacing: 0.1em;
  color: var(--gold);
  line-height: 1;
}

.page-contact .channel__body h3 {
  margin-bottom: 6px;
}

.page-contact .channel__body p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.page-contact .channel__value {
  display: inline-block;
  margin-top: 10px;
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  word-break: break-all;
}

.page-contact .channel__act {
  display: flex;
  align-items: flex-end;
}

.page-contact .copy-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 9px 15px;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-contact .copy-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

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

/* ---------- 记录 ---------- */
.page-contact .contact-records__grid {
  align-items: start;
}

.page-contact .contact-records h2 {
  max-width: 14em;
  margin-bottom: 12px;
}

.page-contact .contact-records .prose {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
  max-width: 60ch;
}

.page-contact .contact-records .prose + .prose {
  margin-top: 16px;
}

.page-contact .contact-records__panel {
  margin-top: 28px;
}

.page-contact .contact-records__num {
  font-family: var(--font-mono);
  font-size: 72px;
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

.page-contact .contact-records__num span {
  font-size: 18px;
  margin-left: 8px;
  color: var(--muted);
  letter-spacing: 0.1em;
}

.page-contact .contact-records__cap {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

/* ---------- 合作与到访 ---------- */
.page-contact .contact-coop h2 {
  max-width: 16em;
}

.page-contact .contact-coop__grid {
  margin-top: 30px;
  align-items: start;
}

.page-contact .coop-item {
  padding: 20px 22px;
  border: 1px solid var(--contact-line);
  background: var(--panel-2);
  box-shadow: var(--contact-shadow);
  border-top: 3px solid var(--accent);
}

.page-contact .coop-item--teal {
  --accent: var(--teal);
  border-top-color: var(--teal);
}

.page-contact .coop-item--indigo {
  --accent: var(--indigo);
  border-top-color: var(--indigo);
  margin-top: 12px;
}

.page-contact .coop-item p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.page-contact .coop-address {
  margin-top: 24px;
  padding: 18px 0 18px 18px;
  border-left: 3px solid var(--gold);
  font-style: normal;
}

.page-contact .coop-address__line {
  margin: 10px 0 6px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .coop-address__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .coop-more {
  margin: 22px 0 0;
  font-size: 14px;
  color: var(--muted);
}

.page-contact .contact-coop__figure {
  margin-top: 24px;
}

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

/* ---------- 联系准备 ---------- */
.page-contact .contact-prepare h2 {
  max-width: 18em;
}

.page-contact .prep-list {
  list-style: none;
  counter-reset: prep;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .prep-list li {
  position: relative;
  padding: 22px 22px 22px 68px;
  border: 1px solid var(--contact-line);
  background: var(--panel-2);
  box-shadow: var(--contact-shadow);
}

.page-contact .prep-list li::before {
  counter-increment: prep;
  content: "0" counter(prep);
  position: absolute;
  left: 22px;
  top: 22px;
  font-family: var(--font-mono);
  font-size: 19px;
  letter-spacing: 0.06em;
  color: var(--gold);
  line-height: 1.1;
}

.page-contact .prep-list h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

.page-contact .prep-list p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.page-contact .contact-prepare__more {
  margin: 26px 0 0;
  font-size: 14px;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-hero {
    padding-top: 44px;
    padding-bottom: 60px;
  }

  .page-contact .clock {
    margin-top: 42px;
  }

  .page-contact .clock__rail {
    gap: 3px;
    height: 104px;
  }

  .page-contact .channel {
    padding: 22px 26px 22px 22px;
    gap: 16px;
  }

  .page-contact .channel__body p {
    font-size: 15px;
  }

  .page-contact .prep-list p {
    font-size: 15px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-window,
  .page-contact .contact-channels,
  .page-contact .contact-records,
  .page-contact .contact-coop,
  .page-contact .contact-prepare {
    padding-top: 68px;
    padding-bottom: 68px;
  }

  .page-contact .channel {
    grid-template-columns: 64px minmax(0, 1fr) auto;
    align-items: center;
    min-height: 96px;
    padding: 20px 28px;
  }

  .page-contact .channel__idx {
    font-size: 22px;
  }

  .page-contact .channel__act {
    align-items: center;
  }

  .page-contact .contact-records__panel {
    margin-top: 6px;
  }

  .page-contact .contact-coop__figure {
    margin-top: 0;
    padding-left: 12px;
  }

  .page-contact .coop-item--indigo {
    margin-top: 16px;
  }
}

@media (min-width: 1080px) {
  .page-contact .clock__rail {
    gap: 4px;
    height: 118px;
  }

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

  .page-contact .prep-list li {
    padding: 26px 24px 26px 24px;
  }

  .page-contact .prep-list li::before {
    position: static;
    display: block;
    margin-bottom: 14px;
    font-size: 24px;
  }
}

@media (max-width: 420px) {
  .page-contact .clock__rail {
    gap: 1px;
    height: 72px;
  }

  .page-contact .clock__slot span {
    font-size: 10px;
  }

  .page-contact .contact-records__num {
    font-size: 58px;
  }
}
<<<END>>>