.page-contact {
  --pc-on-dark: rgba(244, 241, 232, 0.74);
  --pc-on-dark-soft: rgba(244, 241, 232, 0.58);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(26px, 5vw, 46px) clamp(38px, 7vw, 72px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(58% 82% at 10% 0%, rgba(232, 178, 58, 0.17), transparent 62%),
    radial-gradient(52% 74% at 92% 104%, rgba(240, 122, 42, 0.13), transparent 66%);
}

.page-contact .contact-hero .container {
  position: relative;
}

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 0;
  margin: 0 0 clamp(20px, 4vw, 32px);
  padding: 0;
  list-style: none;
  font-family: var(--font-ui);
  font-size: 13px;
  color: var(--pc-on-dark-soft);
}

.page-contact .breadcrumb li {
  display: inline-flex;
  align-items: center;
}

.page-contact .breadcrumb li + li::before {
  content: "／";
  margin: 0 8px;
  color: rgba(244, 241, 232, 0.32);
}

.page-contact .breadcrumb a {
  color: rgba(244, 241, 232, 0.86);
  text-decoration: none;
  border-bottom: 1px solid rgba(244, 241, 232, 0.26);
  transition: color 140ms var(--ease), border-color 140ms var(--ease);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--c-gold);
  border-bottom-color: var(--c-gold);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
}

.page-contact .contact-hero__main .eyebrow {
  color: var(--c-gold);
}

.page-contact .contact-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 6vw, 52px);
  line-height: 1.22;
  letter-spacing: 0.01em;
  color: var(--c-paper);
  max-width: 18em;
}

.page-contact .contact-hero__title::after {
  content: "";
  display: block;
  width: 64px;
  height: 2px;
  margin-top: 20px;
  background: var(--c-gold);
}

.page-contact .contact-hero__lead {
  margin: 22px 0 0;
  max-width: 58ch;
  font-size: clamp(15.5px, 2vw, 17.5px);
  line-height: 1.8;
  color: var(--pc-on-dark);
}

.page-contact .contact-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  align-content: start;
}

.page-contact .contact-hero__quick a {
  display: inline-block;
  padding: 8px 15px;
  border: 1px solid var(--c-line-dark);
  border-radius: 99px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--pc-on-dark);
  text-decoration: none;
  transition: transform 140ms var(--ease), border-color 140ms var(--ease), color 140ms var(--ease);
}

.page-contact .contact-hero__quick a:hover,
.page-contact .contact-hero__quick a:focus-visible {
  transform: translateY(-2px);
  border-color: var(--c-gold);
  color: var(--c-gold-soft);
}

/* ---------- 通道一览 ---------- */

.page-contact .channel-grid {
  display: grid;
  gap: clamp(20px, 3.4vw, 34px);
}

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

.page-contact .channel-card {
  position: relative;
  padding: 20px 22px 22px;
  background: var(--c-ink);
  border: 1px solid var(--c-line-dark);
  border-left: 3px solid var(--c-gold);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  transition: transform 140ms var(--ease), border-color 140ms var(--ease), box-shadow 140ms var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-2px);
  border-color: rgba(232, 178, 58, 0.55);
  border-left-color: var(--c-gold);
}

.page-contact .channel-card__label {
  display: inline-block;
  padding: 3px 11px;
  border: 1px solid rgba(232, 178, 58, 0.34);
  border-radius: 99px;
  background: rgba(232, 178, 58, 0.13);
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-gold);
}

.page-contact .channel-card__value {
  display: block;
  margin-top: 13px;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.7vw, 22px);
  line-height: 1.5;
  color: var(--c-paper);
  overflow-wrap: anywhere;
}

.page-contact .channel-card--addr .channel-card__value {
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: clamp(16px, 2.4vw, 19px);
  line-height: 1.7;
}

.page-contact .channel-card__note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--pc-on-dark-soft);
}

.page-contact .channel-aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .channel-aside__figure {
  margin: 0;
  aspect-ratio: 16 / 7;
  overflow: hidden;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-night);
}

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

.page-contact .contact-hours {
  margin: 0;
  padding: 16px 18px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-orange);
  border-radius: var(--radius);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-text);
}

.page-contact .contact-hours strong {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--c-orange-deep);
}

.page-contact .channel-aside__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--c-muted);
  padding-left: 12px;
  border-left: 2px solid var(--c-gold);
}

/* ---------- 四类来件 ---------- */

.page-contact .inquiry-list {
  display: grid;
  gap: 12px;
}

.page-contact .inquiry {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-contact .inquiry[open] {
  border-color: rgba(232, 178, 58, 0.72);
  box-shadow: var(--shadow-1);
}

.page-contact .inquiry > summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 16.5px;
  color: var(--c-text);
}

.page-contact .inquiry > summary::-webkit-details-marker {
  display: none;
}

.page-contact .inquiry > summary:focus-visible {
  outline: 2px solid var(--c-orange-deep);
  outline-offset: -2px;
}

.page-contact .inquiry__icon {
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--c-line-strong);
  border-radius: 50%;
  transition: transform 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact .inquiry__icon svg {
  width: 19px;
  height: 19px;
}

.page-contact .inquiry[open] .inquiry__icon {
  transform: rotate(0deg);
  border-color: currentColor;
}

.page-contact .inquiry__icon--fix { color: var(--c-grass); }
.page-contact .inquiry__icon--biz { color: var(--c-orange-deep); }
.page-contact .inquiry__icon--media { color: var(--c-brick); }
.page-contact .inquiry__icon--join { color: var(--c-moss); }

.page-contact .inquiry__name {
  flex: 0 0 auto;
}

.page-contact .inquiry__hint {
  flex: 1 1 180px;
  min-width: 0;
  font-weight: 400;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--c-muted);
}

.page-contact .inquiry__mark {
  margin-left: auto;
  flex: 0 0 auto;
  width: 22px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--c-muted);
  transition: color 160ms var(--ease), transform 180ms var(--ease);
}

.page-contact .inquiry__mark::after {
  content: "+";
}

.page-contact .inquiry[open] .inquiry__mark {
  color: var(--c-orange-deep);
  transform: rotate(180deg);
}

.page-contact .inquiry[open] .inquiry__mark::after {
  content: "−";
}

.page-contact .inquiry__body {
  padding: 2px 18px 22px;
  border-top: 1px solid var(--c-line);
}

.page-contact .inquiry__text {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--c-text);
  max-width: 66ch;
}

.page-contact .inquiry__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .inquiry__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

.page-contact .inquiry__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1.5px;
  background: var(--c-gold);
}

.page-contact .topic-line {
  display: block;
  margin: 18px 0 0;
  padding: 12px 14px;
  background: var(--c-ink);
  border-left: 3px solid var(--c-gold);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-gold-soft);
  overflow-wrap: anywhere;
}

/* ---------- 回复节奏 ---------- */

.page-contact .flow-layout {
  display: grid;
  gap: clamp(22px, 4vw, 38px);
  align-items: start;
}

.page-contact .flow-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--c-line-dark);
  border-radius: var(--radius);
  background: var(--c-ink);
}

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

.page-contact .flow-figure .media-frame__caption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--pc-on-dark-soft);
  border-top: 1px solid var(--c-line-dark-soft);
}

.page-contact .flow-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
  counter-reset: pc-step;
}

.page-contact .flow-step {
  position: relative;
  padding: 16px 18px 18px 64px;
  background: rgba(244, 241, 232, 0.035);
  border: 1px solid var(--c-line-dark);
  border-radius: var(--radius);
  transition: transform 140ms var(--ease), border-color 140ms var(--ease);
}

.page-contact .flow-step:hover {
  transform: translateY(-2px);
  border-color: rgba(232, 178, 58, 0.5);
}

.page-contact .flow-step::before {
  counter-increment: pc-step;
  content: counter(pc-step, decimal-leading-zero);
  position: absolute;
  left: 18px;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 17px;
  letter-spacing: 0.06em;
  color: var(--c-gold);
}

.page-contact .flow-step__title {
  margin: 0 0 6px;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 16px;
  color: var(--c-paper);
}

.page-contact .flow-step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--pc-on-dark);
}

/* ---------- 来件之前 ---------- */

.page-contact .precheck-grid {
  display: grid;
  gap: 16px;
}

.page-contact .precheck-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: clamp(20px, 3.4vw, 30px);
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  transition: transform 140ms var(--ease), border-color 140ms var(--ease), box-shadow 140ms var(--ease);
}

.page-contact .precheck-card:hover {
  transform: translateY(-2px);
  border-color: rgba(232, 178, 58, 0.7);
  box-shadow: var(--shadow-1);
}

.page-contact .precheck-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.6vw, 22px);
  color: var(--c-text);
}

.page-contact .precheck-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-muted);
}

.page-contact .precheck-card .btn {
  margin-top: auto;
}

.page-contact .precheck-foot {
  margin: clamp(20px, 3.6vw, 30px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--c-line);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--c-muted);
}

.page-contact .precheck-foot a {
  color: var(--c-orange-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(168, 70, 26, 0.4);
  transition: border-color 140ms var(--ease), color 140ms var(--ease);
}

.page-contact .precheck-foot a:hover,
.page-contact .precheck-foot a:focus-visible {
  color: var(--c-text);
  border-bottom-color: var(--c-gold);
}

/* ---------- 寄送地址 ---------- */

.page-contact .address-block {
  display: grid;
  gap: 22px;
  padding: clamp(22px, 4vw, 36px);
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-top: 2px solid var(--c-gold);
  border-radius: var(--radius);
}

.page-contact .address-facts {
  display: grid;
  gap: 18px;
  margin: 0;
}

.page-contact .address-fact {
  display: grid;
  gap: 6px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .address-fact:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .address-fact dt {
  font-family: var(--font-ui);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--c-muted);
}

.page-contact .address-fact dd {
  margin: 0;
  font-size: clamp(16px, 2.3vw, 19px);
  line-height: 1.7;
  color: var(--c-text);
  overflow-wrap: anywhere;
}

.page-contact .address-fact__mono {
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
}

.page-contact .address-tip {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--c-orange);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--c-muted);
}

.page-contact .closing-line {
  margin: clamp(34px, 6vw, 60px) 0 0;
  padding-top: 22px;
  border-top: 2px solid var(--c-gold);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2.4vw, 23px);
  line-height: 1.6;
  color: var(--c-text);
  max-width: 34em;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-contact .precheck-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: end;
  }

  .page-contact .contact-hero__quick {
    justify-content: flex-end;
  }

  .page-contact .channel-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .flow-layout {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: center;
  }

  .page-contact .channel-aside__figure {
    aspect-ratio: 14 / 5;
  }
}

@media (min-width: 1100px) {
  .page-contact .channel-stack {
    gap: 16px;
  }

  .page-contact .inquiry__hint {
    flex: 1 1 auto;
  }
}

@media (max-width: 520px) {
  .page-contact .inquiry > summary {
    gap: 10px;
  }

  .page-contact .inquiry__hint {
    flex-basis: 100%;
    padding-left: 48px;
  }

  .page-contact .flow-step {
    padding-left: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .precheck-card,
  .page-contact .flow-step,
  .page-contact .contact-hero__quick a {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .precheck-card:hover,
  .page-contact .flow-step:hover,
  .page-contact .contact-hero__quick a:hover {
    transform: none;
  }
}