.page-contact {
  display: block;
}

.page-contact .page-contact__crumb {
  padding-top: 22px;
  padding-bottom: 6px;
}

.page-contact .breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: 18px 0 58px;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 26px;
}

.page-contact .contact-hero__intro h1 {
  font-size: clamp(30px, 5.4vw, 52px);
  line-height: 1.13;
  letter-spacing: -0.02em;
  margin: 12px 0 18px;
}

.page-contact .contact-hero__intro .lede {
  font-size: 15.5px;
  line-height: 1.72;
  max-width: 62ch;
}

.page-contact .contact-hero__figure {
  margin: 0;
}

.page-contact .contact-channels {
  display: grid;
  gap: 14px;
  margin-top: 34px;
}

.page-contact .contact-channel {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 22px 22px 24px;
  background: var(--green-night);
  border: 1px solid rgba(200, 240, 74, 0.26);
  border-radius: var(--cut);
  text-decoration: none;
  color: var(--paper);
  transition: border-color 0.22s ease, background 0.22s ease, transform 0.22s ease;
}

.page-contact .contact-channel:hover,
.page-contact .contact-channel:focus-visible {
  border-color: var(--lime);
  background: #0a2b22;
  transform: translateY(-2px);
}

.page-contact .contact-channel__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-cool);
}

.page-contact .contact-channel__value {
  font-family: var(--font-mono);
  font-size: clamp(18px, 4.4vw, 26px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--lime);
  overflow-wrap: anywhere;
}

.page-contact .contact-channel__hint {
  font-size: 13px;
  line-height: 1.55;
  color: rgba(154, 166, 161, 0.92);
}

/* ---------- 时段刻度 ---------- */
.page-contact .time-ruler {
  margin-top: 34px;
  padding: 20px 22px 18px;
  background: rgba(16, 28, 43, 0.62);
  border-left: 2px solid var(--lime);
  border-radius: 0 14px 0 14px;
}

.page-contact .time-ruler__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.page-contact .time-ruler__head .metric {
  color: var(--lime);
}

.page-contact .time-ruler__track {
  display: grid;
  grid-template-columns: 30% 48% 22%;
  gap: 5px;
  height: 14px;
}

.page-contact .time-ruler__seg {
  display: block;
  height: 100%;
  border-radius: 0 6px 0 6px;
}

.page-contact .time-ruler__seg--before,
.page-contact .time-ruler__seg--after {
  background: rgba(154, 166, 161, 0.26);
}

.page-contact .time-ruler__seg--open {
  background: var(--lime);
  box-shadow: 0 0 20px rgba(200, 240, 74, 0.3);
}

.page-contact .time-ruler__legend {
  display: grid;
  grid-template-columns: 30% 48% 22%;
  gap: 5px;
  margin-top: 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--gray-cool);
}

.page-contact .time-ruler__legend span:nth-child(2) {
  color: var(--lime);
}

/* ---------- 问题归属 ---------- */
.page-contact .contact-issues {
  padding: 62px 0 66px;
}

.page-contact .contact-issues__head {
  max-width: 700px;
  margin-bottom: 34px;
}

.page-contact .contact-issues__head h2 {
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 10px 0 14px;
}

.page-contact .contact-issues__head .lede {
  font-size: 15.5px;
  line-height: 1.7;
}

.page-contact .issue-grid {
  display: grid;
  gap: 14px;
}

.page-contact .issue-block {
  --issue-accent: var(--stroke-green);
  position: relative;
  padding: 24px 20px 26px;
  background: rgba(9, 32, 25, 0.74);
  border: 1px solid rgba(95, 122, 110, 0.3);
  border-radius: var(--cut);
  transition: border-color 0.22s ease, transform 0.22s ease;
}

.page-contact .issue-block::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 46px;
  height: 3px;
  background: var(--issue-accent);
}

.page-contact .issue-block--lime {
  --issue-accent: var(--lime);
}

.page-contact .issue-block--cyan {
  --issue-accent: var(--cyan);
}

.page-contact .issue-block--amber {
  --issue-accent: var(--amber);
}

.page-contact .issue-block--mute {
  --issue-accent: var(--gray-cool);
}

.page-contact .issue-block:hover {
  border-color: var(--issue-accent);
  transform: translateY(-2px);
}

.page-contact .issue-block__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--issue-accent);
  margin-bottom: 12px;
}

.page-contact .issue-block h3 {
  font-size: 19px;
  line-height: 1.3;
  margin: 0 0 10px;
  color: var(--white);
}

.page-contact .issue-block p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.66;
  color: rgba(242, 239, 230, 0.76);
}

.page-contact .contact-issues__figure {
  margin: 30px 0 0;
}

/* ---------- 准备清单 ---------- */
.page-contact .contact-prep {
  padding: 62px 0 66px;
}

.page-contact .contact-prep__grid {
  display: grid;
  gap: 30px;
}

.page-contact .contact-prep__lead h2 {
  font-size: clamp(23px, 3.2vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 10px 0 16px;
}

.page-contact .contact-prep__lead p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: rgba(242, 239, 230, 0.82);
  max-width: 54ch;
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(95, 122, 110, 0.36);
}

.page-contact .prep-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 17px 4px;
  border-bottom: 1px solid rgba(95, 122, 110, 0.36);
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--paper);
}

.page-contact .prep-list__num {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--lime);
}

/* ---------- 回复节奏 ---------- */
.page-contact .contact-hours {
  padding: 0 0 62px;
}

.page-contact .hours-panel {
  display: grid;
  gap: 22px;
  padding: 30px 24px 32px;
  background: linear-gradient(135deg, rgba(16, 28, 43, 0.94), rgba(7, 33, 26, 0.94));
  border: 1px solid rgba(200, 240, 74, 0.22);
  border-radius: var(--cut);
}

.page-contact .hours-panel__clock {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.page-contact .hours-panel__time {
  font-family: var(--font-mono);
  font-size: clamp(34px, 6vw, 54px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--lime);
}

.page-contact .hours-panel__dash {
  font-size: clamp(18px, 3vw, 28px);
  color: var(--gray-cool);
}

.page-contact .hours-panel__weekday {
  display: block;
  width: 100%;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--gray-cool);
}

.page-contact .hours-panel__copy h2 {
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  color: var(--white);
}

.page-contact .hours-panel__copy p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(242, 239, 230, 0.78);
}

.page-contact .hours-panel__copy p:last-child {
  margin-bottom: 0;
}

/* ---------- 站点信息 ---------- */
.page-contact .contact-site {
  padding: 60px 0 70px;
}

.page-contact .site-info {
  display: grid;
  gap: 26px;
}

.page-contact .site-info__head h2 {
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.24;
  letter-spacing: -0.02em;
  margin: 10px 0 0;
}

.page-contact .site-info__list {
  margin: 0;
  border-top: 1px solid rgba(95, 122, 110, 0.42);
}

.page-contact .site-info__row {
  display: grid;
  gap: 4px;
  padding: 15px 0;
  border-bottom: 1px solid rgba(95, 122, 110, 0.42);
}

.page-contact .site-info__row dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--stroke-green);
}

.page-contact .site-info__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.page-contact .site-info__note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--stroke-green);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-contact .site-info__row {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 700px) {
  .page-contact .issue-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-contact .hours-panel {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 44px;
    align-items: center;
    padding: 40px 42px;
  }

  .page-contact .minutes-panel__clock,
  .page-contact .hours-panel__clock {
    align-self: start;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: 48px;
    align-items: end;
  }

  .page-contact .contact-channels {
    grid-template-columns: 1.25fr 1fr;
  }

  .page-contact .contact-prep__grid {
    grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .site-info {
    grid-template-columns: minmax(0, 0.68fr) minmax(0, 1.32fr);
    gap: 54px;
  }
}

@media (min-width: 1100px) {
  .page-contact .issue-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}