.page-contact {
  --pc-gap: clamp(16px, 2.2vw, 28px);
  --pc-hair: rgba(227, 182, 102, .26);
  --pc-edge: rgba(27, 51, 88, .72);
  --pc-panel: linear-gradient(160deg, rgba(16, 32, 63, .92), rgba(8, 18, 42, .97));
  overflow-x: clip;
  padding-bottom: clamp(56px, 8vw, 110px);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-top {
  position: relative;
  padding: clamp(24px, 4.5vw, 58px) 0 clamp(30px, 4.5vw, 56px);
  isolation: isolate;
}

.page-contact .contact-top::before {
  content: "";
  position: absolute;
  inset: -30px 0 32% 0;
  background:
    linear-gradient(112deg, rgba(27, 51, 88, .62) 0%, rgba(27, 51, 88, 0) 54%),
    linear-gradient(302deg, rgba(227, 182, 102, .13) 0%, rgba(227, 182, 102, 0) 44%);
  transform: skewY(-2.6deg);
  z-index: -1;
  pointer-events: none;
}

.page-contact .contact-head {
  max-width: 880px;
  margin-bottom: clamp(28px, 4vw, 50px);
}

.page-contact .contact-head .page-head__lead {
  max-width: 640px;
}

/* ---------- 三条通道面板 ---------- */

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.4vw, 28px) clamp(18px, 2.2vw, 26px) clamp(18px, 2.2vw, 24px);
  background: var(--pc-panel);
  border: 1px solid var(--pc-edge);
  border-top-width: 3px;
  border-radius: var(--radius);
  transition: border-color .28s var(--ease), transform .28s var(--ease);
}

.page-contact .channel--mail { border-top-color: var(--gold); }
.page-contact .channel--phone { border-top-color: var(--coral); }
.page-contact .channel--self { border-top-color: var(--jade); }

.page-contact .channel:hover {
  transform: translateY(-3px);
  border-right-color: var(--pc-hair);
  border-bottom-color: var(--pc-hair);
  border-left-color: var(--pc-hair);
}

.page-contact .channel__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-contact .channel__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(20px, 2.3vw, 24px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-contact .channel__scene {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--paper-dim);
  flex: 1 1 auto;
}

.page-contact .channel__value {
  margin: 2px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.4vw, 15px);
  line-height: 1.65;
  color: var(--gold-lite);
  word-break: break-all;
}

.page-contact .channel__hint {
  margin: 8px 0 0;
  padding-top: 10px;
  border-top: 1px dashed rgba(27, 51, 88, .85);
  font-size: 13px;
  line-height: 1.78;
  color: var(--paper-faint);
  transition: color .25s var(--ease);
}

.page-contact .channel:hover .channel__hint {
  color: var(--gold-lite);
}

.page-contact .channel__link {
  margin-top: 2px;
  align-self: flex-start;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--gold-lite);
  text-decoration: underline;
  text-decoration-color: rgba(246, 223, 168, .42);
  text-underline-offset: 5px;
  transition: color .2s var(--ease), text-decoration-color .2s var(--ease);
}

.page-contact .channel__link:hover,
.page-contact .channel__link:focus-visible {
  color: var(--coral);
  text-decoration-color: currentColor;
}

.page-contact .channel__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--paper-faint);
}

/* ---------- 章节通用 ---------- */

.page-contact .section {
  padding: clamp(40px, 6vw, 84px) 0 0;
}

.page-contact .section__head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(22px, 3vw, 38px);
  max-width: 760px;
}

.page-contact .section__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-contact .section__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--paper-dim);
  max-width: 58ch;
}

/* ---------- 值守 ---------- */

.page-contact .duty-figure {
  margin: 0 0 clamp(22px, 3vw, 34px);
}

.page-contact .duty-figure .figure__media {
  aspect-ratio: 7 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--pc-edge);
}

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

.page-contact .duty-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border: 1px solid var(--pc-edge);
  border-radius: 12px;
  overflow: hidden;
  background: rgba(27, 51, 88, .55);
}

.page-contact .duty-band__col {
  padding: 16px 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  color: var(--paper-dim);
  background: rgba(8, 18, 42, .74);
}

.page-contact .duty-band__col b {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-contact .duty-band__col--on {
  background: linear-gradient(140deg, rgba(227, 182, 102, .20), rgba(255, 106, 69, .13));
  box-shadow: inset 0 2px 0 var(--coral);
  color: var(--gold-lite);
}

.page-contact .duty-band__col--on b {
  color: var(--gold-lite);
}

.page-contact .duty-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-contact .duty-fact {
  display: grid;
  gap: 6px;
  padding-top: 14px;
  border-top: 1px solid var(--pc-edge);
}

.page-contact .duty-fact__num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--gold);
}

.page-contact .duty-fact__txt {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--paper-dim);
}

.page-contact .duty-crew {
  margin: clamp(20px, 2.8vw, 30px) 0 0;
  padding-left: 16px;
  border-left: 3px solid rgba(227, 182, 102, .5);
  font-size: 14px;
  line-height: 1.9;
  color: var(--paper-dim);
  max-width: 76ch;
}

.page-contact .duty-crew a {
  color: var(--gold-lite);
  text-decoration: underline;
  text-decoration-color: rgba(246, 223, 168, .42);
  text-underline-offset: 4px;
  transition: color .2s var(--ease);
}

.page-contact .duty-crew a:hover,
.page-contact .duty-crew a:focus-visible {
  color: var(--coral);
}

/* ---------- 分派规则 ---------- */

.page-contact .split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 46px);
}

.page-contact .split__aside {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--pc-panel);
  border: 1px solid var(--pc-edge);
  border-left: 3px solid var(--gold);
  border-radius: 12px;
}

.page-contact .aside-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-contact .subject-chip {
  margin: 0;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--gold-lite);
  background: rgba(8, 18, 42, .88);
  border: 1px dashed rgba(227, 182, 102, .5);
  border-radius: 8px;
  word-break: break-all;
  user-select: all;
}

.page-contact .aside-hint {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.88;
  color: var(--paper-dim);
}

.page-contact .mini-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
  counter-reset: mini;
}

.page-contact .mini-list li {
  position: relative;
  padding-left: 28px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--paper-dim);
  counter-increment: mini;
}

.page-contact .mini-list li::before {
  content: counter(mini, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-contact .split__main {
  display: grid;
  gap: clamp(18px, 2.4vw, 30px);
  align-content: start;
}

.page-contact .split__lede {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.95;
  color: var(--paper-dim);
  max-width: 62ch;
}

.page-contact .split__main .step__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--paper-dim);
}

.page-contact .split__main .step__body strong {
  color: var(--paper);
  font-weight: 700;
}

.page-contact .routing-figure {
  margin: 0;
}

.page-contact .routing-figure .figure__media {
  aspect-ratio: 3 / 2;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--pc-edge);
}

.page-contact .routing-figure .figure__cap {
  margin-top: 10px;
}

/* ---------- 寄送 ---------- */

.page-contact .post-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 40px);
}

.page-contact .post-note p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.95;
  color: var(--paper-dim);
  max-width: 46ch;
}

.page-contact .post-note p:last-child {
  margin-bottom: 0;
}

.page-contact .post-address {
  font-style: normal;
  display: grid;
  gap: 6px;
  align-content: start;
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--pc-panel);
  border: 1px solid var(--pc-edge);
  border-radius: 12px;
  box-shadow: inset 0 0 0 1px rgba(227, 182, 102, .07);
}

.page-contact .post-address__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-contact .post-address__line {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  line-height: 1.62;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-contact .post-address__sign {
  margin: 8px 0 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(27, 51, 88, .85);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.82;
  color: var(--paper-faint);
}

/* ---------- 自助入口 ---------- */

.page-contact .selfhelp-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .selfhelp__item {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.4vw, 28px);
  background: linear-gradient(158deg, rgba(16, 32, 63, .58), rgba(8, 18, 42, .88));
  border: 1px solid var(--pc-edge);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: border-color .26s var(--ease), transform .26s var(--ease);
}

.page-contact .selfhelp__item:hover,
.page-contact .selfhelp__item:focus-visible {
  border-color: var(--pc-hair);
  transform: translateY(-3px);
}

.page-contact .selfhelp__item .tag {
  align-self: flex-start;
}

.page-contact .selfhelp__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(18px, 2vw, 21px);
  font-weight: 700;
  line-height: 1.42;
  color: var(--paper);
}

.page-contact .selfhelp__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.88;
  color: var(--paper-dim);
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-contact .channel-grid,
  .page-contact .selfhelp-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .duty-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-contact .duty-band {
    grid-template-columns: 9fr 9fr 6fr;
  }
}

@media (min-width: 880px) {
  .page-contact .post-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .split {
    grid-template-columns: minmax(212px, 272px) minmax(0, 1fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .selfhelp__item,
  .page-contact .channel__hint {
    transition: none;
  }
  .page-contact .channel:hover,
  .page-contact .selfhelp__item:hover,
  .page-contact .selfhelp__item:focus-visible {
    transform: none;
  }
}