.page-contact {
  --contact-cut: 18px;
  --contact-hair: rgba(154, 174, 184, .22);
  --contact-glow: rgba(255, 90, 31, .26);
  background-color: var(--ink);
  color: var(--bone);
  overflow-x: hidden;
}

.page-contact .crumbs-sep {
  color: var(--rock);
}

.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: clamp(16px, 3vw, 26px) 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-contact .breadcrumbs a {
  color: var(--steel);
  text-decoration: none;
  transition: color .2s var(--ease);
}

.page-contact .breadcrumbs a:hover,
.page-contact .breadcrumbs a:focus-visible {
  color: var(--lava);
}

.page-contact .breadcrumbs [aria-current="page"] {
  color: var(--signal);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding: clamp(22px, 4vw, 42px) 0 clamp(48px, 7vw, 84px);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -12%;
  width: min(680px, 92vw);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at center, var(--contact-glow), transparent 64%);
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
}

.page-contact .contact-hero__lead .h-display {
  margin: 12px 0 0;
  line-height: 1.02;
}

.page-contact .contact-hero__lead .hl {
  color: var(--lava);
}

.page-contact .contact-hero__lead .lede {
  margin-top: 18px;
  max-width: 46ch;
}

.page-contact .mail-panel {
  margin-top: clamp(24px, 4vw, 38px);
  padding: clamp(20px, 3.4vw, 32px);
  background: var(--ink-2);
  border: 1px solid var(--contact-hair);
  border-left: 3px solid var(--lava);
  clip-path: polygon(0 0, calc(100% - var(--contact-cut)) 0, 100% var(--contact-cut), 100% 100%, 0 100%);
}

.page-contact .mail-panel__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--signal);
}

.page-contact .mail-panel__addr {
  display: inline-block;
  margin: 12px 0 4px;
  padding-bottom: 5px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(17px, 4.4vw, 34px);
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--white);
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 3px solid var(--lava);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .mail-panel__addr:hover,
.page-contact .mail-panel__addr:focus-visible {
  color: var(--signal);
  border-color: var(--signal);
}

.page-contact .mail-panel__hint {
  margin: 14px 0 20px;
  max-width: 44ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-contact .mail-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

.page-contact .contact-card {
  position: relative;
  padding: clamp(20px, 3vw, 28px);
  background: var(--ink-2);
  border: 1px solid var(--contact-hair);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--contact-cut)), calc(100% - var(--contact-cut)) 100%, 0 100%);
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 3px;
  height: 56px;
  background: var(--lava);
}

.page-contact .contact-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--contact-hair);
}

.page-contact .contact-card__hours {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--steel);
}

.page-contact .contact-card__list {
  margin: 0;
  padding: 18px 0 0;
  display: grid;
  gap: 18px;
}

.page-contact .contact-card__row {
  display: grid;
  gap: 6px;
}

.page-contact .contact-card__row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .contact-card__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--bone);
}

.page-contact .contact-card__tel {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(20px, 3vw, 26px);
  letter-spacing: .04em;
  color: var(--signal);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color .2s var(--ease);
}

.page-contact .contact-card__tel:hover,
.page-contact .contact-card__tel:focus-visible {
  border-color: var(--signal);
}

.page-contact .contact-card__icp {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--steel);
}

.page-contact .contact-hero__media {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--contact-hair);
  background: var(--rock);
  clip-path: polygon(var(--contact-cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--contact-cut));
}

.page-contact .contact-hero__media img,
.page-contact .contact-feedback__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.88) contrast(1.06);
}

/* ---------- 章节标题 ---------- */

.page-contact .contact-head {
  max-width: 62ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-contact .contact-head .lede {
  margin-top: 14px;
}

/* ---------- 反馈分流 ---------- */

.page-contact .contact-feedback {
  padding: clamp(44px, 7vw, 88px) 0;
  border-top: 1px solid var(--contact-hair);
}

.page-contact .contact-feedback__media {
  position: relative;
  margin: 0 0 clamp(20px, 3.4vw, 34px);
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid var(--contact-hair);
  background: var(--rock);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--contact-cut)), calc(100% - var(--contact-cut)) 100%, 0 100%);
}

.page-contact .contact-feedback__media .media__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  right: 0;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--bone);
  background: linear-gradient(to top, rgba(11, 13, 15, .86), rgba(11, 13, 15, 0));
}

.page-contact .feedback-tiles {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .tile {
  --tile-color: var(--clay);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.6vw, 24px);
  background: var(--ink-2);
  border-top: 4px solid var(--tile-color);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  transition: transform .25s var(--ease), background-color .25s var(--ease);
}

.page-contact .tile:hover,
.page-contact .tile:focus-within {
  transform: translateY(-3px);
  background: var(--rock);
}

.page-contact .tile--clay { --tile-color: var(--clay); }
.page-contact .tile--moss { --tile-color: var(--moss); }
.page-contact .tile--steel { --tile-color: var(--steel); }
.page-contact .tile--signal { --tile-color: var(--signal); }

.page-contact .tile .index-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--tile-color);
}

.page-contact .tile .h-sub {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: .02em;
  color: var(--white);
}

.page-contact .tile p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-soft);
}

.page-contact .tile .tile__subject {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--contact-hair);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--steel);
}

/* ---------- 回复节奏 ---------- */

.page-contact .contact-response {
  padding: clamp(44px, 7vw, 88px) 0;
  background: var(--ink-2);
  border-top: 1px solid var(--contact-hair);
  border-bottom: 1px solid var(--contact-hair);
}

.page-contact .contact-response__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .contact-response__body .prose {
  margin-top: 16px;
}

.page-contact .status-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--bone);
}

.page-contact .status-line__dot {
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--moss);
  box-shadow: 0 0 0 4px rgba(95, 122, 97, .24);
}

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

.page-contact .steps {
  padding: clamp(16px, 2.4vw, 22px);
  background: var(--ink);
  border: 1px solid var(--contact-hair);
  border-left: 3px solid var(--signal);
  clip-path: polygon(0 0, calc(100% - var(--contact-cut)) 0, 100% var(--contact-cut), 100% 100%, 0 100%);
}

.page-contact .steps summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 44px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--signal);
}

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

.page-contact .steps summary::after {
  content: "+";
  font-size: 22px;
  line-height: 1;
  color: var(--lava);
  transition: transform .2s var(--ease);
}

.page-contact .steps[open] summary::after {
  transform: rotate(45deg);
}

.page-contact .steps ol {
  margin: 14px 0 0;
  padding-left: 20px;
  display: grid;
  gap: 10px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text-soft);
}

.page-contact .steps ol li::marker {
  font-family: var(--font-mono);
  color: var(--lava);
}

.page-contact .response-note {
  margin: 0;
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-soft);
  border-left: 2px solid var(--clay);
  background: rgba(184, 92, 56, .1);
}

/* ---------- 寄送与来访 ---------- */

.page-contact .contact-visit {
  padding: clamp(44px, 7vw, 88px) 0;
}

.page-contact .visit-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  padding: clamp(24px, 4vw, 48px);
  background: var(--bone);
  color: var(--ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 32px), calc(100% - 32px) 100%, 0 100%);
}

.page-contact .visit-panel .eyebrow {
  color: var(--clay);
}

.page-contact .visit-panel h2 {
  margin: 12px 0 0;
  color: var(--ink);
}

.page-contact .visit-panel p {
  margin: 16px 0 22px;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(11, 13, 15, .76);
}

.page-contact .visit-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--clay);
  text-decoration: none;
  border-bottom: 2px solid var(--clay);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .visit-link:hover,
.page-contact .visit-link:focus-visible {
  color: var(--ink);
  border-color: var(--ink);
}

.page-contact .visit-coord {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  min-height: 150px;
  padding: 14px;
  border: 1px solid rgba(11, 13, 15, .18);
  background-image:
    repeating-linear-gradient(0deg, rgba(11, 13, 15, .08) 0 1px, transparent 1px 22px),
    repeating-linear-gradient(90deg, rgba(11, 13, 15, .08) 0 1px, transparent 1px 22px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: rgba(11, 13, 15, .55);
}

.page-contact .visit-coord__pin {
  position: absolute;
  top: 38%;
  left: 46%;
  width: 12px;
  height: 12px;
  background: var(--lava);
  transform: rotate(45deg);
  box-shadow: 0 0 0 6px rgba(255, 90, 31, .16);
}

/* ---------- 快捷入口 ---------- */

.page-contact .contact-shortcuts {
  padding: 0 0 clamp(48px, 7vw, 88px);
}

.page-contact .shortcut-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  border-top: 1px solid var(--contact-hair);
}

.page-contact .shortcut-list li {
  border-bottom: 1px solid var(--contact-hair);
}

.page-contact .shortcut-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
  padding: 16px 4px;
  color: var(--bone);
  text-decoration: none;
  transition: color .2s var(--ease), padding-left .2s var(--ease);
}

.page-contact .shortcut-list a:hover,
.page-contact .shortcut-list a:focus-visible {
  color: var(--lava);
  padding-left: 12px;
}

.page-contact .shortcut__text {
  display: grid;
  gap: 4px;
}

.page-contact .shortcut__text strong {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .01em;
}

.page-contact .shortcut__text small {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-dim);
}

.page-contact .shortcut__arrow {
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--lava);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .feedback-tiles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .shortcut-list a {
    padding: 18px 8px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }

  .page-contact .contact-response__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }

  .page-contact .contact-feedback__media {
    aspect-ratio: 21 / 8;
  }

  .page-contact .visit-panel {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    align-items: end;
  }
}

@media (min-width: 1080px) {
  .page-contact .feedback-tiles {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .contact-hero__aside {
    margin-top: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .tile,
  .page-contact .shortcut-list a,
  .page-contact .mail-panel__addr,
  .page-contact .contact-card__tel,
  .page-contact .visit-link,
  .page-contact .steps summary::after {
    transition: none;
  }

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

  .page-contact .shortcut-list a:hover,
  .page-contact .shortcut-list a:focus-visible {
    padding-left: 8px;
  }

  .page-contact .steps[open] summary::after {
    transform: none;
  }
}
<<<END>>>