.page-contact {
  --contact-line: 1px dashed var(--grey);
  padding-bottom: 40px;
}

.page-contact .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* 首屏 */
.page-contact .contact-hero {
  display: grid;
  gap: 20px;
  padding: 22px 0 24px;
  border-bottom: var(--edge);
}

.page-contact .contact-hero__index {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-contact .contact-hero__title {
  margin: 0;
  font-size: clamp(30px, 8vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 300;
  color: var(--ink);
  max-width: 20ch;
}

.page-contact .contact-hero__lede {
  margin: 14px 0 0;
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-contact .contact-hero__meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-contact .contact-hero__meta li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  padding: 8px 0 8px 14px;
  border-left: 3px solid var(--orange);
  background: var(--white);
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-soft);
}

.page-contact .contact-hero__meta .mono {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--navy);
  text-transform: uppercase;
}

/* 章节节奏 */
.page-contact .section {
  padding: 34px 0;
  border-bottom: 1px solid var(--grey);
}

.page-contact .contact-head {
  display: grid;
  gap: 8px;
  margin-bottom: 22px;
}

.page-contact .contact-head .section__index {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-contact .contact-head .section__title {
  margin: 0;
  font-size: clamp(23px, 4.6vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .contact-head .section__lede {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-soft);
}

/* 图片 */
.page-contact .figure {
  margin: 0;
}

.page-contact .contact-figure {
  margin-bottom: 24px;
}

.page-contact .figure__frame {
  border: var(--edge);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  background: var(--white);
  overflow: hidden;
}

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

.page-contact .figure__caption {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.page-contact .figure__index {
  font-size: 11.5px;
  color: var(--orange);
}

/* 渠道布局 */
.page-contact .contact-layout {
  display: grid;
  gap: 22px;
}

.page-contact .contact-layout__rail {
  display: grid;
  gap: 18px;
}

.page-contact .channel {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 18px 16px;
  background: var(--navy);
  color: var(--paper);
  border: var(--edge);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
}

.page-contact .channel__label {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--orange-soft);
}

.page-contact .channel__title {
  margin: 0;
  font-size: 19px;
  line-height: 1.35;
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--white);
}

.page-contact .channel__text {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(246, 241, 230, 0.86);
}

.page-contact .channel__value {
  margin: 14px 0 0;
  padding-top: 10px;
  border-top: 1px dashed rgba(246, 241, 230, 0.3);
  font-size: clamp(14px, 4vw, 18px);
  letter-spacing: 0.02em;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .channel__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
}

.page-contact .channel .copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--navy);
  background: var(--orange);
  border: 2px solid var(--paper);
  border-radius: var(--radius);
  box-shadow: 3px 3px 0 0 var(--paper);
  cursor: pointer;
  transition: box-shadow 140ms ease, transform 140ms ease, background-color 140ms ease;
}

.page-contact .channel .copy-btn:hover {
  background: var(--orange-soft);
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 0 var(--paper);
}

.page-contact .channel .copy-btn:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

.page-contact .copy-hint {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--orange-soft);
}

.page-contact .channel__note {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(246, 241, 230, 0.72);
}

/* 服务时段 */
.page-contact .hours {
  padding: 18px 16px;
  background: var(--white);
  border: var(--edge);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
}

.page-contact .hours__title {
  margin: 0 0 14px;
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
}

.page-contact .hours__track-wrap {
  position: relative;
}

.page-contact .hours__scale {
  display: flex;
  height: 46px;
  border: var(--edge);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: default;
}

.page-contact .hours__scale:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

.page-contact .hours__band--off {
  flex: 9 1 0;
  background: repeating-linear-gradient(
    135deg,
    var(--grey) 0 5px,
    var(--paper) 5px 11px
  );
}

.page-contact .hours__band--late {
  flex: 6 1 0;
}

.page-contact .hours__band--on {
  flex: 9 1 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--orange);
}

.page-contact .hours__band-label {
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--white);
  white-space: nowrap;
}

.page-contact .hours__pop {
  position: absolute;
  left: 0;
  top: calc(100% + 10px);
  z-index: 4;
  margin: 0;
  max-width: 300px;
  padding: 10px 12px;
  background: var(--navy);
  color: var(--paper);
  font-size: 12.5px;
  line-height: 1.65;
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 140ms ease, transform 140ms ease, visibility 140ms ease;
}

.page-contact .hours__scale:hover + .hours__pop,
.page-contact .hours__scale:focus + .hours__pop,
.page-contact .hours__scale:focus-visible + .hours__pop {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.page-contact .hours__legend {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .hours__legend li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-soft);
}

.page-contact .hours__swatch {
  width: 18px;
  height: 12px;
  flex: none;
  border: 1.5px solid var(--ink);
  border-radius: 2px;
}

.page-contact .hours__swatch--on {
  background: var(--orange);
}

.page-contact .hours__swatch--off {
  background: repeating-linear-gradient(
    135deg,
    var(--grey) 0 4px,
    var(--paper) 4px 8px
  );
}

.page-contact .hours__text {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: var(--contact-line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* 写信要点 */
.page-contact .letter-layout {
  display: grid;
  gap: 22px;
}

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

.page-contact .letter-list__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 16px;
  background: var(--white);
  border: var(--edge);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  transition: box-shadow 140ms ease, transform 140ms ease, border-color 140ms ease;
}

.page-contact .letter-list__item:hover {
  border-color: var(--orange);
  box-shadow: var(--shadow-2);
  transform: translate(-2px, -2px);
}

.page-contact .letter-list__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--orange);
  color: var(--white);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-contact .letter-list__title {
  margin: 2px 0 0;
  font-size: 16.5px;
  line-height: 1.4;
  font-weight: 600;
  color: var(--ink);
}

.page-contact .letter-list__text {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--ink-soft);
}

.page-contact .letter-list__more {
  margin-top: 12px;
  padding-top: 10px;
  border-top: var(--contact-line);
}

.page-contact .letter-list__more summary {
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  transition: color 140ms ease;
}

.page-contact .letter-list__more summary::-webkit-details-marker {
  display: none;
}

.page-contact .letter-list__more summary::before {
  content: "▸ ";
  color: var(--orange);
}

.page-contact .letter-list__more[open] summary {
  color: var(--orange);
}

.page-contact .letter-list__more summary:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
  border-radius: 2px;
}

.page-contact .letter-list__sample {
  margin: 10px 0 0;
  padding: 9px 11px;
  background: var(--orange-soft);
  border-left: 3px solid var(--orange);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: 0.01em;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .letter-figure .figure__frame {
  background: var(--mint);
}

/* 场景清单 */
.page-contact .scene-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .scene {
  padding: 16px 16px 16px 18px;
  background: var(--white);
  border-left: 4px solid var(--orange);
  border-radius: 0 var(--radius) var(--radius) 0;
  box-shadow: 3px 3px 0 0 var(--grey);
}

.page-contact .scene:nth-child(even) {
  background: var(--mint);
  border-left-color: var(--navy);
}

.page-contact .scene__index {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--navy);
}

.page-contact .scene__title {
  margin: 6px 0 0;
  font-size: 17px;
  line-height: 1.35;
  font-weight: 600;
  color: var(--ink);
}

.page-contact .scene__text {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--ink-soft);
}

.page-contact .scene__give {
  margin: 10px 0 0;
  padding-top: 9px;
  border-top: 1px solid rgba(34, 31, 27, 0.16);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  line-height: 1.6;
  color: var(--navy);
}

/* 纠错通道 */
.page-contact .contact-fix__panel {
  display: grid;
  gap: 12px;
  padding: 22px 18px;
  background: var(--navy);
  color: var(--paper);
  border: var(--edge);
  border-radius: var(--radius);
  box-shadow: var(--shadow-2);
}

.page-contact .contact-fix__tag {
  justify-self: start;
  margin: 0;
  padding: 5px 10px;
  background: var(--orange-soft);
  color: var(--navy);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  border-radius: var(--radius);
}

.page-contact .contact-fix__panel .section__title {
  margin: 0;
  font-size: clamp(21px, 4.4vw, 30px);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .contact-fix__text {
  margin: 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(246, 241, 230, 0.86);
}

.page-contact .contact-fix__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.page-contact .contact-fix__links .btn {
  display: inline-block;
  padding: 9px 16px;
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  border: 2px solid var(--paper);
  background: transparent;
  color: var(--paper);
  transition: transform 140ms ease, box-shadow 140ms ease, background-color 140ms ease;
}

.page-contact .contact-fix__links .btn--solid {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--white);
  box-shadow: 3px 3px 0 0 var(--paper);
}

.page-contact .contact-fix__links .btn:hover {
  background: var(--orange-soft);
  color: var(--navy);
  border-color: var(--orange-soft);
}

.page-contact .contact-fix__links .btn:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

/* 底部信息带 */
.page-contact .contact-band {
  display: grid;
  gap: 16px;
  margin-top: 32px;
  padding: 20px 16px;
  background: var(--paper);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-2);
}

.page-contact .contact-band__title {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .contact-band__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-contact .contact-band__list {
  margin: 0;
  border-top: 1px solid var(--grey);
}

.page-contact .contact-band__row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 10px;
  padding: 10px 0;
  border-bottom: var(--contact-line);
}

.page-contact .contact-band__row dt {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.page-contact .contact-band__row dd {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .contact-band__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.page-contact .contact-band__links a {
  font-size: 13px;
  color: var(--navy);
  text-decoration: none;
  border-bottom: 1px solid var(--grey);
  padding-bottom: 1px;
  transition: color 140ms ease, border-color 140ms ease;
}

.page-contact .contact-band__links a:hover {
  color: var(--orange);
  border-bottom: 2px solid var(--orange);
}

.page-contact .contact-band__links a:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

/* 桌面增强 */
@media (min-width: 900px) {
  .page-contact {
    padding-bottom: 56px;
  }

  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1fr) 268px;
    align-items: end;
    gap: 40px;
    padding: 36px 0 32px;
  }

  .page-contact .contact-hero__title {
    font-size: clamp(44px, 5.4vw, 68px);
  }

  .page-contact .contact-hero__lede {
    font-size: 17px;
  }

  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 24px;
    align-items: start;
  }

  .page-contact .channel {
    grid-template-columns: 30px minmax(0, 1fr);
    align-items: stretch;
    padding: 20px 20px 20px 12px;
  }

  .page-contact .channel__label {
    writing-mode: vertical-rl;
    text-orientation: upright;
    letter-spacing: 0.28em;
    padding-top: 4px;
    color: var(--orange-soft);
  }

  .page-contact .hours {
    padding: 22px 22px 24px;
  }

  .page-contact .letter-layout {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 0.68fr);
    gap: 24px;
    align-items: start;
  }

  .page-contact .scene-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .contact-fix__panel {
    padding: 28px 30px;
  }

  .page-contact .contact-band {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 14px 32px;
    padding: 24px 26px;
    margin-top: 40px;
  }

  .page-contact .contact-band__head {
    grid-column: 1;
  }

  .page-contact .contact-band__list {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .page-contact .contact-band__links {
    grid-column: 1;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-head .section__title {
    font-size: 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .letter-list__item,
  .page-contact .channel .copy-btn,
  .page-contact .hours__pop,
  .page-contact .contact-fix__links .btn,
  .page-contact .contact-band__links a {
    transition: none;
  }

  .page-contact .letter-list__item:hover,
  .page-contact .channel .copy-btn:hover,
  .page-contact .hours__scale:hover + .hours__pop,
  .page-contact .hours__scale:focus-visible + .hours__pop {
    transform: none;
  }
}