.page-contact {
  --contact-ring: 20px;
  --contact-card-bg: linear-gradient(160deg, var(--panel) 0%, var(--panel-deep) 100%);
}

.page-contact .breadcrumb {
  padding-top: clamp(16px, 3vw, 26px);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding-block: clamp(20px, 4vw, 40px) clamp(32px, 6vw, 72px);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -12%;
  width: min(620px, 88vw);
  height: min(620px, 88vw);
  background: radial-gradient(circle at 50% 50%, rgba(52, 239, 198, 0.16), transparent 62%);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: end;
}

.page-contact .contact-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--moss);
}

.page-contact .contact-hero__text {
  max-width: 46ch;
  margin: 20px 0 0;
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--fog);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

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

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  border: 1px solid var(--hair-strong);
  border-radius: 24px 24px 24px 6px;
}

.page-contact .contact-hero__figure figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--moss);
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: clamp(32px, 5vw, 64px);
  }
}

/* ---------- 章节标题 ---------- */

.page-contact .section-desc {
  max-width: 62ch;
  line-height: 1.8;
}

/* ---------- 渠道卡 ---------- */

.page-contact .channels {
  display: grid;
  gap: 14px;
  margin-top: clamp(28px, 4vw, 44px);
}

.page-contact .channel {
  position: relative;
  padding: 28px 22px 24px;
  background: var(--contact-card-bg);
  border: 1px solid var(--line);
  border-radius: var(--contact-ring) var(--contact-ring) var(--contact-ring) 6px;
  overflow: hidden;
  transition: transform 320ms var(--ease), border-color 320ms var(--ease);
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--cyan);
}

.page-contact .channel--phone::before {
  background: var(--amber);
}

.page-contact .channel--address::before {
  background: var(--rose);
}

.page-contact .channel:hover {
  transform: translateY(-4px);
  border-color: var(--hair-strong);
}

.page-contact .channel__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-contact .channel__value {
  margin: 8px 0 16px;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--cyan);
  word-break: break-word;
}

.page-contact .channel--phone .channel__value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--amber);
}

.page-contact .channel--address .channel__value {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--fog);
}

.page-contact .channel__for {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(233, 243, 238, 0.86);
}

.page-contact .channel__foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--hair);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--moss);
}

@media (min-width: 860px) {
  .page-contact .channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    gap: 20px;
  }

  .page-contact .channel--phone {
    margin-top: 36px;
    border-radius: 6px var(--contact-ring) var(--contact-ring) var(--contact-ring);
  }

  .page-contact .channel--address {
    margin-top: 72px;
    border-radius: var(--contact-ring) 6px var(--contact-ring) var(--contact-ring);
  }
}

/* ---------- 轮值时段 ---------- */

.page-contact .duty__inner {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

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

.page-contact .duty__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  border: 1px solid var(--hair);
  border-radius: 6px var(--contact-ring) var(--contact-ring) var(--contact-ring);
}

@media (min-width: 900px) {
  .page-contact .duty__inner {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: clamp(32px, 5vw, 60px);
  }
}

.page-contact .duty-scale {
  margin: 30px 0 8px;
  padding: 20px 20px 16px;
  background: rgba(20, 24, 26, 0.7);
  border: 1px solid var(--hair);
  border-radius: var(--radius);
}

.page-contact .duty-scale__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  margin-bottom: 18px;
}

.page-contact .duty-scale__window {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-contact .duty-scale__note {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--moss);
}

.page-contact .duty-scale__rail {
  position: relative;
  height: 14px;
  border: 1px solid var(--hair);
  border-radius: var(--radius-pill);
  background: rgba(140, 167, 155, 0.12);
}

.page-contact .duty-scale__fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 50%;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, rgba(52, 239, 198, 0.28), var(--cyan));
  transform-origin: left center;
  animation: contact-fill 900ms var(--ease) both;
}

@keyframes contact-fill {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.page-contact .duty-scale__pin {
  position: absolute;
  top: -6px;
  bottom: -6px;
  width: 2px;
  background: rgba(52, 239, 198, 0.55);
}

.page-contact .duty-scale__pin--start {
  left: 37.5%;
}

.page-contact .duty-scale__pin--end {
  left: 87.5%;
}

.page-contact .duty-scale__foot {
  display: flex;
  justify-content: space-between;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--moss);
}

.page-contact .duty-order {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .duty-order li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--hair);
}

.page-contact .duty-order li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .duty-order__num {
  font-size: 0.8125rem;
  color: var(--cyan);
  padding-top: 4px;
}

.page-contact .duty-order h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--fog);
}

.page-contact .duty-order p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(233, 243, 238, 0.8);
}

/* ---------- 准备清单 ---------- */

.page-contact .checklist {
  list-style: none;
  margin: clamp(28px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .checklist__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 14px;
  padding: 18px 18px 18px 16px;
  background: rgba(20, 24, 26, 0.78);
  border: 1px solid var(--hair);
  border-left: 3px solid var(--line);
  border-radius: 0 var(--radius) var(--radius) 0;
  transition: border-left-color 240ms var(--ease), background 240ms var(--ease);
}

.page-contact .checklist__item:hover,
.page-contact .checklist__item:focus-within {
  border-left-color: var(--cyan);
  background: rgba(22, 48, 42, 0.55);
}

.page-contact .checklist__num {
  font-size: 0.8125rem;
  color: var(--moss);
  padding-top: 4px;
}

.page-contact .checklist__body h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--fog);
}

.page-contact .checklist__body p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(233, 243, 238, 0.8);
}

.page-contact .checklist__tick {
  grid-column: 2;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--moss);
  cursor: pointer;
}

.page-contact .checklist__tick input {
  appearance: none;
  flex: none;
  width: 20px;
  height: 20px;
  border: 1px solid var(--hair-strong);
  border-radius: 6px;
  background: transparent;
  position: relative;
  cursor: pointer;
  transition: border-color 200ms var(--ease), background 200ms var(--ease);
}

.page-contact .checklist__tick input:checked {
  border-color: var(--cyan);
  background: rgba(52, 239, 198, 0.16);
}

.page-contact .checklist__tick input:checked::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 9px;
  height: 5px;
  border-left: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(-45deg) translate(1px, -1px);
}

.page-contact .checklist__tick input:checked + span {
  color: var(--cyan);
}

.page-contact .checklist__note {
  margin: 20px 0 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--moss);
}

.page-contact .checklist__note a,
.page-contact .coop__mail a,
.page-contact .site-strip__links a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(52, 239, 198, 0.35);
}

.page-contact .checklist__note a:hover,
.page-contact .coop__mail a:hover,
.page-contact .site-strip__links a:hover {
  border-bottom-color: var(--cyan);
}

@media (min-width: 720px) {
  .page-contact .checklist__item {
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: start;
    gap: 14px;
  }

  .page-contact .checklist__tick {
    grid-column: auto;
    align-self: center;
  }
}

/* ---------- 合作 ---------- */

.page-contact .coop__inner {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

@media (min-width: 900px) {
  .page-contact .coop__inner {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: start;
  }
}

.page-contact .coop-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 28px 0 0;
  background: var(--hair);
  border: 1px solid var(--hair);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-contact .coop-stat {
  padding: 16px 14px;
  background: var(--panel);
}

.page-contact .coop-stat dt {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--moss);
  margin-bottom: 8px;
}

.page-contact .coop-stat dd {
  margin: 0;
  font-size: 0.875rem;
  color: rgba(233, 243, 238, 0.86);
}

.page-contact .coop-stat__num {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--amber);
  margin-right: 4px;
}

.page-contact .coop__mail {
  margin: 22px 0 0;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: rgba(233, 243, 238, 0.86);
}

.page-contact .coop__mail .mono {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--fog);
  word-break: break-all;
}

.page-contact .coop__lines {
  display: grid;
  gap: 0;
}

.page-contact .coop-line {
  padding: 22px 0;
  border-top: 1px solid var(--hair);
}

.page-contact .coop-line:first-child {
  border-top: 2px solid var(--panel-deep);
  padding-top: 20px;
}

.page-contact .coop-line h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-contact .coop-line p {
  margin: 0 0 10px;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: rgba(233, 243, 238, 0.8);
}

.page-contact .coop-line__fit {
  font-size: 0.8125rem !important;
  line-height: 1.7 !important;
  color: var(--moss) !important;
  padding-left: 12px;
  border-left: 2px solid var(--panel-deep);
}

/* ---------- 站点信息条 ---------- */

.page-contact .site-strip {
  border-top: 1px solid var(--hair);
}

.page-contact .site-strip__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 32px;
  align-items: baseline;
}

.page-contact .site-strip__item {
  margin: 0;
  font-size: 0.875rem;
  color: var(--fog);
}

.page-contact .site-strip__label {
  display: inline-block;
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--moss);
}

.page-contact .site-strip__item .mono {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--moss);
  word-break: break-all;
}

.page-contact .site-strip__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: 20px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--hair);
  font-size: 0.875rem;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .duty-scale__fill {
    animation: none;
  }

  .page-contact .channel {
    transition: none;
  }
}