.page-contact {
  --pc-gap: clamp(1.25rem, 3vw, 3rem);
  --pc-ink-soft: #4A585E;
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-sans);
  padding-block: clamp(1.5rem, 4vw, 3rem) clamp(3rem, 8vw, 6rem);
}

.page-contact .crumbs {
  margin-bottom: clamp(1.1rem, 3vw, 2.2rem);
}

.page-contact__hero {
  max-width: 62ch;
  margin-bottom: var(--pc-gap);
  padding-bottom: clamp(1.2rem, 3vw, 2.2rem);
  border-bottom: 1px solid var(--line);
}

.page-contact__kicker {
  font-size: .7rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--orange);
  margin: 0 0 .85rem;
}

.page-contact__title {
  font-size: clamp(1.85rem, 5.4vw, 3.5rem);
  font-weight: 900;
  font-stretch: 87.5%;
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--white);
  margin: 0 0 1rem;
}

.page-contact__lead {
  margin: 0;
  max-width: 48ch;
  font-size: clamp(.98rem, 1.6vw, 1.1rem);
  line-height: 1.8;
  color: var(--mist);
}

.page-contact__split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
}

/* ---------- 常驻联系卡片 ---------- */

.contact-card {
  position: relative;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid rgba(11, 20, 24, .16);
  padding: clamp(1.25rem, 2.6vw, 2rem);
}

.contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 36px;
  height: 36px;
  border-top: 2px solid var(--orange);
  border-right: 2px solid var(--orange);
  pointer-events: none;
}

.contact-card__coord {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--orange);
}

.contact-card__title {
  margin: 0 0 1.25rem;
  padding-bottom: .85rem;
  border-bottom: 1px solid rgba(11, 20, 24, .18);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ink);
}

.contact-card__list {
  margin: 0;
  display: grid;
  gap: 1.05rem;
}

.contact-card__item {
  display: grid;
  gap: .28rem;
}

.contact-card__label {
  font-size: .68rem;
  letter-spacing: .16em;
  color: #66737A;
}

.contact-card__value {
  margin: 0;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.contact-card__value.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.contact-card__value--strong {
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--teal-deep);
}

.contact-card__note {
  margin: 1.4rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(11, 20, 24, .18);
  font-size: .8rem;
  line-height: 1.75;
  color: var(--pc-ink-soft);
}

/* ---------- 章节通用 ---------- */

.page-contact__sec {
  margin-bottom: clamp(2.4rem, 6vw, 4.5rem);
}

.page-contact__sec:last-child {
  margin-bottom: 0;
}

.page-contact .sec-head {
  margin-bottom: clamp(1.2rem, 2.6vw, 1.9rem);
}

.page-contact .sec-head__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--orange);
}

.page-contact .sec-head__title {
  margin: .55rem 0 .7rem;
  font-size: clamp(1.3rem, 2.8vw, 2rem);
  font-weight: 900;
  font-stretch: 87.5%;
  line-height: 1.12;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-contact .sec-head__lead {
  margin: 0;
  max-width: 54ch;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--mist);
}

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

.page-contact a:hover {
  color: var(--lime);
}

/* ---------- 渠道切换 ---------- */

.ch {
  display: grid;
  gap: 1.1rem;
}

.ch__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.ch__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  padding-bottom: .9rem;
  border-bottom: 1px solid var(--line);
}

.ch__tab {
  cursor: pointer;
  padding: .55rem 1.05rem;
  font-size: .85rem;
  letter-spacing: .04em;
  color: var(--mist);
  border: 1px solid var(--line-strong);
  background: transparent;
  user-select: none;
  transition: background .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease);
}

.ch__tab:hover {
  border-color: var(--orange);
  color: var(--white);
}

.page-contact #ch-mail:checked ~ .ch__tabs .ch__tab--mail,
.page-contact #ch-tel:checked ~ .ch__tabs .ch__tab--tel,
.page-contact #ch-visit:checked ~ .ch__tabs .ch__tab--visit {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
  font-weight: 700;
}

.page-contact #ch-mail:focus-visible ~ .ch__tabs .ch__tab--mail,
.page-contact #ch-tel:focus-visible ~ .ch__tabs .ch__tab--tel,
.page-contact #ch-visit:focus-visible ~ .ch__tabs .ch__tab--visit {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.ch__panel {
  display: none;
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--orange);
  background: linear-gradient(180deg, rgba(18, 51, 47, .6) 0%, rgba(11, 20, 24, 0) 85%);
  padding: clamp(1.1rem, 2.6vw, 1.9rem);
}

.page-contact #ch-mail:checked ~ .ch__panels .ch__panel--mail,
.page-contact #ch-tel:checked ~ .ch__panels .ch__panel--tel,
.page-contact #ch-visit:checked ~ .ch__panels .ch__panel--visit {
  display: block;
}

.ch__panel-title {
  margin: 0 0 .85rem;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--white);
}

.ch__panel p {
  margin: 0 0 .9rem;
  max-width: 56ch;
  font-size: .9rem;
  line-height: 1.82;
  color: rgba(255, 255, 255, .8);
}

.ch__list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: .5rem;
}

.ch__list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: .86rem;
  line-height: 1.7;
  color: var(--mist);
}

.ch__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 6px;
  height: 6px;
  border: 1px solid var(--lime);
  transform: rotate(45deg);
}

.ch__foot {
  margin: 0;
  padding-top: .9rem;
  border-top: 1px dashed var(--line-strong);
  font-size: .86rem;
  color: var(--white);
}

.ch__foot .mono {
  font-family: var(--font-mono);
  color: var(--lime);
  letter-spacing: .02em;
}

.ch__more {
  margin: .7rem 0 0 !important;
  font-size: .82rem !important;
  line-height: 1.7;
  color: var(--mono-gray) !important;
}

/* ---------- 图像框 ---------- */

.page-contact .pc-figure {
  margin: clamp(1.4rem, 3vw, 2.2rem) 0 0;
  border-color: var(--line-strong);
}

.page-contact .pc-figure .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 650;
  object-fit: cover;
}

.page-contact .pc-figure--city .media-frame__img {
  aspect-ratio: 1200 / 700;
}

/* ---------- 邮件清单 ---------- */

.mail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.mail-list__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0 1.1rem;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--line);
}

.mail-list__num {
  padding-top: .2rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--orange);
}

.mail-list__title {
  margin: 0 0 .35rem;
  font-size: .96rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
}

.mail-list__item p {
  margin: 0;
  max-width: 54ch;
  font-size: .86rem;
  line-height: 1.78;
  color: var(--mist);
}

.mail-note {
  margin: 1.3rem 0 0;
  padding: .95rem 1.1rem;
  border-left: 3px solid var(--lime);
  background: rgba(200, 242, 38, .06);
  font-size: .87rem;
  line-height: 1.78;
  color: var(--white);
}

.mail-note .mono {
  font-family: var(--font-mono);
  color: var(--lime);
}

/* ---------- 热线 ---------- */

.hotline {
  display: grid;
  gap: .85rem;
  padding: clamp(1.2rem, 2.8vw, 2rem);
  border: 1px solid var(--line-strong);
  background: linear-gradient(120deg, rgba(46, 123, 255, .12) 0%, rgba(200, 242, 38, .06) 55%, rgba(11, 20, 24, 0) 100%);
}

.hotline__num {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.7rem, 5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1.1;
  color: var(--lime);
}

.hotline__hours {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .92rem;
  letter-spacing: .12em;
  color: var(--mist);
}

.hotline__facts {
  display: grid;
  gap: .95rem;
  margin: .8rem 0 0;
  padding-top: 1.15rem;
  border-top: 1px solid var(--line);
}

.hotline__fact dt {
  margin-bottom: .35rem;
  font-size: .7rem;
  letter-spacing: .15em;
  color: var(--orange);
}

.hotline__fact dd {
  margin: 0;
  font-size: .86rem;
  line-height: 1.72;
  color: rgba(255, 255, 255, .8);
}

/* ---------- 到访 ---------- */

.visit {
  display: grid;
  gap: 1.3rem;
  margin-top: 1.6rem;
}

.visit__label {
  margin: 0 0 .45rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .18em;
  color: var(--orange);
}

.visit__addr {
  margin: 0 0 1.1rem;
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 700;
  line-height: 1.6;
  color: var(--white);
}

.visit__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.visit__list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: .87rem;
  line-height: 1.78;
  color: var(--mist);
}

.visit__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 7px;
  height: 1px;
  background: var(--orange);
}

.loc-map {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  background: rgba(18, 51, 47, .35);
}

/* ---------- 准备清单 ---------- */

.prep__scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
}

.prep__table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
}

.prep__table th,
.prep__table td {
  padding: .85rem 1rem;
  text-align: left;
  vertical-align: top;
  font-size: .86rem;
  line-height: 1.68;
  border-bottom: 1px solid var(--line);
}

.prep__table thead th {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--orange);
  background: rgba(18, 51, 47, .6);
  white-space: nowrap;
}

.prep__table tbody th {
  font-weight: 600;
  color: var(--white);
  white-space: nowrap;
}

.prep__table tbody td {
  color: var(--mist);
}

.prep__table tbody tr:last-child th,
.prep__table tbody tr:last-child td {
  border-bottom: 0;
}

.prep__table tbody tr:hover {
  background: rgba(159, 196, 192, .06);
}

.prep__outro {
  margin: 1.2rem 0 0;
  max-width: 56ch;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .visit {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }

  .hotline__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.4rem;
  }
}

@media (min-width: 960px) {
  .page-contact__split {
    grid-template-columns: minmax(280px, 38%) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact__aside {
    position: sticky;
    top: calc(var(--head-h) + 1.5rem);
  }

  .mail-list__item {
    padding: 1.15rem 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ch__tab {
    transition: none;
  }
}
</最终>