.page-contact {
  --contact-gap: clamp(18px, 2.2vw, 30px);
  --contact-rail: 320px;
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-intro {
  padding: clamp(26px, 4vw, 48px) 0 0;
}

.page-contact .contact-intro__grid {
  display: grid;
  gap: clamp(24px, 3vw, 40px);
}

.page-contact .breadcrumb {
  margin-bottom: 18px;
}

.page-contact .contact-intro__title {
  margin: 0 0 16px;
}

.page-contact .contact-intro__lede {
  margin: 0;
  max-width: 64ch;
}

.page-contact .contact-window {
  background: var(--deep);
  color: var(--paper);
  padding: 24px 24px 20px;
  border-left: 4px solid var(--signal);
}

.page-contact .contact-window__label {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--winter);
}

.page-contact .contact-window__time {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: clamp(26px, 3.4vw, 34px);
  font-weight: 600;
  line-height: 1.2;
  color: #FFFFFF;
}

.page-contact .contact-window__note {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.75;
  color: #C9D6D2;
}

.page-contact .contact-window__scale {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-window__tick {
  padding: 6px 0;
  font-family: var(--mono);
  font-size: 11px;
  text-align: center;
  color: var(--deep);
}

.page-contact .contact-window__tick--spring { background: var(--spring); }
.page-contact .contact-window__tick--summer { background: var(--summer); color: #FFFFFF; }
.page-contact .contact-window__tick--autumn { background: var(--autumn); color: #FFFFFF; }
.page-contact .contact-window__tick--winter { background: var(--winter); }

@media (min-width: 940px) {
  .page-contact .contact-intro__grid {
    grid-template-columns: minmax(0, 1fr) 340px;
    align-items: end;
  }
}

/* ---------- 三条渠道 ---------- */
.page-contact .contact-channels {
  position: relative;
  margin-top: clamp(36px, 5vw, 64px);
  padding: clamp(48px, 6vw, 84px) 0;
  border-top: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .contact-channels__belt {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .contact-channels__belt img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: .38;
}

.page-contact .contact-channels__belt::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(246, 243, 236, .94) 0%, rgba(246, 243, 236, .84) 45%, rgba(246, 243, 236, .97) 100%);
}

.page-contact .contact-channels__inner {
  position: relative;
  z-index: 1;
}

.page-contact .contact-channels__hint {
  margin: 12px 0 30px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .channel-grid {
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .channel-card {
  --card-accent: var(--spring);
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 5px solid var(--card-accent);
  transition: transform .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .channel-card--summer { --card-accent: var(--summer); }
.page-contact .channel-card--autumn { --card-accent: var(--autumn); }

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--card-accent);
}

.page-contact .channel-card__title {
  margin: 0;
  font-family: var(--serif);
  font-size: 20px;
  letter-spacing: .02em;
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.5;
  color: var(--ink);
  word-break: break-all;
}

.page-contact .channel-card__value--xl {
  font-size: clamp(24px, 2.6vw, 30px);
  font-weight: 600;
  letter-spacing: .04em;
  word-break: normal;
}

.page-contact .channel-card__value--addr {
  font-family: var(--serif);
  font-size: clamp(18px, 1.9vw, 21px);
  font-weight: 600;
  line-height: 1.6;
  word-break: normal;
}

.page-contact .channel-card__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .channel-card__foot {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink);
}

@media (min-width: 780px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .channel-card {
    min-height: 300px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within {
    transform: none;
  }
}

/* ---------- 双栏主体 ---------- */
.page-contact .contact-body {
  padding: clamp(56px, 7vw, 96px) 0;
}

.page-contact .contact-body__grid {
  display: grid;
  gap: clamp(32px, 4vw, 56px);
}

.page-contact .contact-rail__title {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: clamp(22px, 2.4vw, 28px);
  letter-spacing: .01em;
}

.page-contact .contact-rail__hint {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .prep-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .prep-list .check-item {
  padding: 12px 14px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--spring);
}

.page-contact .prep-list .check-item.is-done {
  border-left-color: var(--signal);
}

.page-contact .contact-main__lede {
  margin: 12px 0 24px;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .range-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}

.page-contact .range-filter .season-filter__btn.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

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

.page-contact .range-card {
  --card-accent: var(--spring);
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 22px 20px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--card-accent);
}

.page-contact .range-card[data-seasons="summer"] { --card-accent: var(--summer); }
.page-contact .range-card[data-seasons="autumn"] { --card-accent: var(--autumn); }
.page-contact .range-card[data-seasons="winter"] { --card-accent: var(--winter); }

.page-contact .range-card.is-filtered-out {
  display: none;
}

.page-contact .range-card__title {
  margin: 0;
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.45;
}

.page-contact .range-card__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .range-card__link {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 14px;
}

.page-contact .range-card__link a {
  color: var(--summer-ink);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-contact .range-card__link a:hover,
.page-contact .range-card__link a:focus-visible {
  color: var(--signal);
}

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

@media (min-width: 1000px) {
  .page-contact .contact-body__grid {
    grid-template-columns: var(--contact-rail) minmax(0, 1fr);
  }

  .page-contact .contact-rail {
    position: sticky;
    top: 104px;
    align-self: start;
  }
}

/* ---------- 回复时段与处理顺序 ---------- */
.page-contact .contact-flow {
  padding: clamp(56px, 7vw, 92px) 0;
  background: var(--paper-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-flow__lede {
  margin: 12px 0 34px;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .flow-strip {
  display: grid;
  gap: 16px;
  margin: 0 0 40px;
  padding: 0;
  list-style: none;
}

.page-contact .flow-strip__item {
  padding: 20px 20px 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--ink);
}

.page-contact .flow-strip__no {
  display: block;
  margin-bottom: 10px;
  font-size: 20px;
  font-weight: 600;
  color: var(--signal);
}

.page-contact .flow-strip__title {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.45;
}

.page-contact .flow-strip__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

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

.page-contact .contact-flow__media .media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

@media (min-width: 800px) {
  .page-contact .flow-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 站点地址与到访 ---------- */
.page-contact .contact-visit {
  padding: clamp(56px, 7vw, 96px) 0 clamp(40px, 5vw, 64px);
}

.page-contact .contact-visit__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-contact .contact-visit__addr-line {
  margin: 16px 0 12px;
  padding-left: 16px;
  border-left: 4px solid var(--autumn);
  font-family: var(--serif);
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 600;
  line-height: 1.5;
}

.page-contact .contact-visit__meta {
  margin: 0;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
}

.page-contact .contact-visit__tips h3 {
  margin: 0 0 14px;
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.45;
}

.page-contact .contact-visit__list {
  display: grid;
  gap: 10px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-contact .contact-visit__list li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .contact-visit__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 12px;
  height: 2px;
  background: var(--autumn);
}

.page-contact .contact-visit__note {
  margin: 0;
  padding: 16px 18px;
  background: var(--paper-2);
  border-left: 3px solid var(--ink);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

@media (min-width: 880px) {
  .page-contact .contact-visit__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 64px;
  }
}

/* ---------- 收束色带 ---------- */
.page-contact .contact-seasons {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  height: 10px;
}

.page-contact .contact-seasons__band--spring { background: var(--spring); }
.page-contact .contact-seasons__band--summer { background: var(--summer); }
.page-contact .contact-seasons__band--autumn { background: var(--autumn); }
.page-contact .contact-seasons__band--winter { background: var(--winter); }
<<<END>>>