.page-contact {
  --pc-line: rgba(11, 46, 63, .16);
  --pc-sand-line: rgba(200, 165, 91, .42);
  --pc-ink-soft: rgba(244, 241, 234, .78);
  --pc-ink-line: rgba(244, 241, 234, .16);
}

.page-contact .breadcrumb {
  padding-top: clamp(20px, 4vw, 36px);
}

.page-contact .breadcrumb__current {
  color: var(--gray);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-open {
  padding-top: clamp(28px, 5vw, 52px);
}

.page-contact .contact-open__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}

.page-contact .contact-open__title {
  margin: 14px 0 18px;
  font-size: clamp(34px, 8vw, 58px);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--tide-900);
  max-width: 16ch;
}

.page-contact .contact-open__figure {
  margin: 0;
  border-radius: var(--r-l);
  overflow: hidden;
}

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

.page-contact .contact-open__panel {
  margin-top: clamp(36px, 6vw, 60px);
}

.page-contact .contact-card {
  padding: 4px clamp(20px, 4vw, 34px) 4px;
  background: var(--paper);
  border: 1px solid var(--pc-sand-line);
  border-radius: var(--r-l);
  box-shadow: var(--shadow-card);
}

.page-contact .contact-card__head {
  margin: 0;
  padding: 22px 0 16px;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gray);
  border-bottom: 1px solid var(--pc-sand-line);
}

.page-contact .contact-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-card__row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  grid-template-areas:
    "idx label"
    "idx value"
    "idx note";
  column-gap: 16px;
  row-gap: 8px;
  padding: 26px 0;
}

.page-contact .contact-card__row + .contact-card__row {
  border-top: 1px solid var(--pc-line);
}

.page-contact .contact-card__idx {
  grid-area: idx;
  padding-top: 4px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--sand);
}

.page-contact .contact-card__label {
  grid-area: label;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--gray);
}

.page-contact .contact-card__value {
  grid-area: value;
  font-size: clamp(17px, 4.4vw, 24px);
  line-height: 1.4;
  color: var(--tide-900);
  word-break: break-all;
}

.page-contact .contact-card__note {
  grid-area: note;
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray);
}

/* ---------- 邮件写法 ---------- */
.page-contact .contact-mail__grid {
  gap: 40px;
}

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

.page-contact .mail-sample {
  display: grid;
  gap: 12px;
  padding: 20px 22px;
  background: var(--tide-900);
  border-radius: var(--r-m);
}

.page-contact .mail-sample__tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--coral);
}

.page-contact .mail-sample__line {
  margin: 0;
  padding: 11px 14px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
  background: rgba(244, 241, 234, .06);
  border-left: 2px solid var(--sand);
  border-radius: 4px;
  word-break: break-word;
}

.page-contact .mail-sample__copy {
  justify-self: start;
  padding: 7px 16px;
  font: inherit;
  font-size: 13px;
  color: var(--paper);
  background: transparent;
  border: 1px solid rgba(244, 241, 234, .32);
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}

.page-contact .mail-sample__copy:hover,
.page-contact .mail-sample__copy:focus-visible {
  background: var(--coral);
  border-color: var(--coral);
  color: var(--tide-900);
}

.page-contact .contact-mail__list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .contact-mail__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .contact-mail__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 9px;
  height: 1px;
  background: var(--coral);
}

.page-contact .contact-mail__more {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
}

.page-contact .contact-mail__more a {
  color: var(--coral-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-mail__figure {
  margin: clamp(34px, 5vw, 56px) 0 0;
  border-radius: var(--r-l);
  overflow: hidden;
}

/* ---------- 事项分流 ---------- */
.page-contact .section--ink .lead {
  color: var(--pc-ink-soft);
}

.page-contact .contact-routes__list {
  display: grid;
  gap: 12px;
  margin-top: clamp(26px, 4vw, 40px);
}

.page-contact .route-row {
  background: rgba(244, 241, 234, .035);
  border: 1px solid var(--pc-ink-line);
  border-radius: var(--r-m);
  overflow: hidden;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .route-row[open] {
  background: rgba(244, 241, 234, .08);
  border-color: var(--pc-sand-line);
}

.page-contact .route-row__summary {
  display: grid;
  grid-template-columns: 4px minmax(0, 1fr) auto;
  grid-template-areas:
    "bar name ch"
    "bar eta eta";
  column-gap: 16px;
  row-gap: 4px;
  align-items: center;
  padding: 20px 20px 20px 0;
  cursor: pointer;
  list-style: none;
}

.page-contact .route-row__summary::-webkit-details-marker {
  display: none;
}

.page-contact .route-row__bar {
  grid-area: bar;
  align-self: stretch;
  min-height: 40px;
  border-radius: 0 2px 2px 0;
}

.page-contact .route-row__bar--a { background: var(--coral); }
.page-contact .route-row__bar--b { background: var(--sand); }
.page-contact .route-row__bar--c { background: var(--coral-deep); }
.page-contact .route-row__bar--d { background: var(--tide-600); }

.page-contact .route-row__name {
  grid-area: name;
  font-size: 17px;
  font-weight: 600;
  color: var(--paper);
  letter-spacing: .01em;
}

.page-contact .route-row__ch {
  grid-area: ch;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--coral);
  white-space: nowrap;
}

.page-contact .route-row__eta {
  grid-area: eta;
  font-size: 12px;
  letter-spacing: .04em;
  color: rgba(244, 241, 234, .55);
}

.page-contact .route-row__body {
  padding: 18px 22px 24px;
  border-top: 1px dashed var(--pc-ink-line);
}

.page-contact .route-row__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pc-ink-soft);
}

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

.page-contact .route-row__need li {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(244, 241, 234, .68);
}

.page-contact .route-row__need li::before {
  content: "—";
  margin-right: 8px;
  color: var(--sand);
}

.page-contact .contact-hours {
  margin-top: 28px;
  padding: 22px 24px;
  display: grid;
  gap: 12px;
  background: rgba(255, 107, 74, .1);
  border: 1px solid rgba(255, 107, 74, .3);
  border-radius: var(--r-m);
}

.page-contact .contact-hours__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--coral);
}

.page-contact .contact-hours__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper);
}

.page-contact .contact-hours__text a {
  color: var(--sand);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 到访与位置 ---------- */
.page-contact .contact-visit__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-contact .contact-visit__addr {
  margin: 16px 0 18px;
  padding: 14px 18px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--tide-900);
  background: rgba(200, 165, 91, .12);
  border-left: 2px solid var(--sand);
  border-radius: 0 var(--r-s) var(--r-s) 0;
  word-break: break-word;
}

.page-contact .contact-visit__copy p {
  font-size: 16px;
  line-height: 1.85;
  color: var(--tide-900);
}

.page-contact .visit-fold {
  margin-top: 24px;
  background: rgba(200, 165, 91, .08);
  border: 1px solid var(--pc-sand-line);
  border-radius: var(--r-m);
  overflow: hidden;
}

.page-contact .visit-fold__summary {
  position: relative;
  padding: 16px 46px 16px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--tide-900);
  cursor: pointer;
  list-style: none;
}

.page-contact .visit-fold__summary::-webkit-details-marker {
  display: none;
}

.page-contact .visit-fold__summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  color: var(--coral);
}

.page-contact .visit-fold[open] .visit-fold__summary::after {
  content: "−";
}

.page-contact .visit-fold__list {
  margin: 0;
  padding: 0 20px 20px;
  list-style: none;
  display: grid;
  gap: 10px;
  border-top: 1px dashed var(--pc-sand-line);
  padding-top: 16px;
}

.page-contact .visit-fold__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--tide-900);
}

.page-contact .visit-fold__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 9px;
  height: 1px;
  background: var(--sand);
}

.page-contact .contact-visit__note p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
}

/* ---------- 合作洽谈 ---------- */
.page-contact .contact-partner__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

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

.page-contact .contact-partner__list li {
  padding-left: 18px;
  border-left: 2px solid var(--pc-sand-line);
}

.page-contact .contact-partner__name {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .contact-partner__idx {
  margin-right: 10px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--coral);
}

.page-contact .contact-partner__list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pc-ink-soft);
}

.page-contact .contact-partner__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  padding-top: 26px;
  border-top: 1px solid var(--pc-ink-line);
}

.page-contact .contact-partner__hint {
  margin: 0;
  flex: 1 1 240px;
  font-size: 12px;
  line-height: 1.7;
  color: rgba(244, 241, 234, .55);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .contact-card__row {
    grid-template-columns: 44px minmax(0, 190px) minmax(0, 1fr);
    grid-template-areas:
      "idx label value"
      "idx label note";
    column-gap: 22px;
    row-gap: 6px;
    padding: 30px 0;
  }

  .page-contact .route-row__summary {
    grid-template-columns: 4px minmax(0, 1fr) 170px 130px;
    grid-template-areas: "bar name ch eta";
    column-gap: 20px;
    padding-right: 24px;
  }

  .page-contact .route-row__name {
    font-size: 19px;
  }

  .page-contact .contact-hours {
    grid-template-columns: 150px minmax(0, 1fr);
    align-items: start;
    gap: 20px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-open__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 56px;
  }

  .page-contact .contact-mail__grid {
    gap: 56px;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-visit__grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }

  .page-contact .contact-partner__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    column-gap: 64px;
    row-gap: 40px;
  }

  .page-contact .contact-partner__cta {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .mail-sample__copy,
  .page-contact .route-row {
    transition: none;
  }
}
<<<END>>>