.page-contact {
  --c-hair: rgba(42, 28, 18, 0.16);
  --c-hair-ink: rgba(247, 250, 246, 0.14);
  --c-paper-text: rgba(42, 28, 18, 0.78);
  background: var(--ink);
  color: var(--chalk);
  overflow-x: clip;
}

/* 面包屑 */
.page-contact .c-crumbs {
  padding-top: clamp(16px, 2.4vw, 26px);
}
.page-contact .breadcrumbs {
  font-size: 13px;
}
.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  color: var(--slate);
}
.page-contact .breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}
.page-contact .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: rgba(143, 163, 173, 0.6);
}
.page-contact .breadcrumb-link {
  color: var(--chalk);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.page-contact .breadcrumb-link:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-contact .breadcrumb-item [aria-current] {
  color: var(--orange-soft);
}

/* 通用小标题与标题 */
.page-contact .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange-soft);
}
.page-contact .c-h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 4.6vw, 42px);
  line-height: 1.14;
  letter-spacing: -0.025em;
  font-weight: 900;
  color: inherit;
  max-width: 18ch;
}
.page-contact .c-lead {
  margin: 16px 0 0;
  max-width: 44ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.75;
  color: var(--c-paper-text);
}

/* 首屏 */
.page-contact .c-hero {
  padding: clamp(22px, 4vw, 40px) 0 clamp(48px, 7vw, 88px);
}
.page-contact .c-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 3vw, 26px);
}
.page-contact .c-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(22px, 4vw, 48px);
  border-radius: var(--radius-lg);
  background: var(--ink-deep);
  border: 1px solid var(--c-hair-ink);
  box-shadow: 0 34px 70px -48px rgba(0, 0, 0, 0.95);
}
.page-contact .c-card__figure {
  position: absolute;
  inset: 0;
  z-index: -1;
  margin: 0;
}
.page-contact .c-card__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}
.page-contact .c-card__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(155deg, rgba(10, 31, 46, 0.52) 0%, rgba(7, 23, 34, 0.94) 60%, rgba(7, 23, 34, 0.99) 100%);
}
.page-contact .c-hero__title {
  margin: 14px 0 0;
  font-size: clamp(29px, 6.2vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 900;
  color: var(--chalk);
  max-width: 16ch;
}
.page-contact .c-hero__lede {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.78;
  color: rgba(247, 250, 246, 0.78);
}

.page-contact .c-lines {
  display: grid;
  gap: 18px;
  margin-top: clamp(26px, 4vw, 42px);
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px dashed var(--line-strong);
}
.page-contact .c-line {
  display: grid;
  gap: 6px;
  min-width: 0;
}
.page-contact .c-line__label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}
.page-contact .c-line__value {
  font-family: var(--font-mono);
  font-size: clamp(17px, 4.6vw, 32px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.01em;
  color: var(--chalk);
  overflow-wrap: anywhere;
  -webkit-user-select: all;
  user-select: all;
}
.page-contact .c-line__value--accent {
  color: var(--orange-soft);
}
.page-contact .c-line__hint {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--slate);
}

/* 右侧票据 */
.page-contact .c-tickets {
  display: grid;
  gap: clamp(14px, 2.4vw, 20px);
  min-width: 0;
}
.page-contact .c-ticket {
  position: relative;
  display: grid;
  align-content: start;
  gap: 10px;
  padding: clamp(18px, 3vw, 28px);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.page-contact .c-ticket::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  background: var(--orange);
}
.page-contact .c-ticket--paper {
  background: var(--cream);
  color: var(--brown);
  border: 2px solid var(--brown);
  border-left-width: 2px;
  padding-left: calc(clamp(18px, 3vw, 28px) + 6px);
}
.page-contact .c-ticket--paper::before {
  background: var(--orange);
}
.page-contact .c-ticket--ink {
  background: var(--green);
  color: var(--chalk);
  padding-left: calc(clamp(18px, 3vw, 28px) + 6px);
}
.page-contact .c-ticket--ink::before {
  background: var(--cyan);
}
.page-contact .c-ticket .tag {
  justify-self: start;
}
.page-contact .c-clock {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px;
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--brown);
}
.page-contact .c-clock__num {
  font-size: clamp(38px, 9vw, 56px);
  line-height: 1;
}
.page-contact .c-clock__sep {
  font-size: clamp(16px, 3vw, 20px);
  font-weight: 600;
  color: var(--orange);
}
.page-contact .c-ticket__title {
  margin: 2px 0 0;
  font-size: clamp(17px, 2.4vw, 20px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.35;
}
.page-contact .c-ticket__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
}
.page-contact .c-ticket--paper .c-ticket__text {
  color: var(--c-paper-text);
}
.page-contact .c-ticket--ink .c-ticket__text {
  color: rgba(247, 250, 246, 0.86);
}
.page-contact .c-ticket__link {
  justify-self: start;
  margin-top: 4px;
  font-size: 14px;
  font-weight: 700;
  color: var(--chalk);
  text-decoration: none;
  border-bottom: 2px solid var(--cyan);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-contact .c-ticket__link:hover {
  color: var(--cyan);
  border-bottom-color: var(--orange-soft);
}

/* 数据反馈（浅色纸面） */
.page-contact .c-feedback {
  padding: clamp(46px, 7vw, 92px) 0;
  background: var(--cream);
  color: var(--brown);
  background-image: repeating-linear-gradient(180deg, rgba(42, 28, 18, 0.05) 0 1px, transparent 1px 6px);
}
.page-contact .c-feedback .eyebrow {
  color: var(--green);
}
.page-contact .c-feedback__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
}
.page-contact .c-feedback__intro {
  min-width: 0;
}
.page-contact .c-arrow-link {
  display: inline-block;
  margin-top: 22px;
  padding-bottom: 3px;
  font-size: 15px;
  font-weight: 700;
  color: var(--green);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  transition: color 0.2s var(--ease);
}
.page-contact .c-arrow-link::after {
  content: " →";
}
.page-contact .c-arrow-link:hover {
  color: var(--orange);
}

.page-contact .c-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: 0;
}
.page-contact .c-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(12px, 2.4vw, 20px);
  padding: 18px 0;
  border-top: 1px solid var(--c-hair);
}
.page-contact .c-step:last-child {
  border-bottom: 1px solid var(--c-hair);
}
.page-contact .c-step__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--orange);
  padding-top: 4px;
}
.page-contact .c-step__title {
  margin: 0 0 5px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--brown);
}
.page-contact .c-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--c-paper-text);
}

/* 合作 */
.page-contact .c-collab {
  padding: clamp(46px, 7vw, 92px) 0;
  background: var(--ink-deep);
  color: var(--chalk);
}
.page-contact .c-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 3vw, 36px);
  align-items: end;
}
.page-contact .c-head__note {
  margin: 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}
.page-contact .c-collab__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: clamp(26px, 4vw, 42px);
}
.page-contact .c-collab__item {
  background: rgba(247, 250, 246, 0.04);
  border: 1px solid var(--c-hair-ink);
  border-radius: var(--radius-md);
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}
.page-contact .c-collab__item[open] {
  background: rgba(11, 110, 79, 0.18);
  border-color: rgba(31, 163, 122, 0.5);
}
.page-contact .c-collab__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  font-size: 16.5px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--chalk);
}
.page-contact .c-collab__summary::-webkit-details-marker {
  display: none;
}
.page-contact .c-collab__summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 400;
  line-height: 1;
  color: var(--cyan);
}
.page-contact .c-collab__item[open] .c-collab__summary::after {
  content: "−";
}
.page-contact .c-collab__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -4px;
  border-radius: var(--radius-md);
}
.page-contact .c-collab__body {
  padding: 0 20px 20px;
}
.page-contact .c-collab__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(247, 250, 246, 0.76);
}
.page-contact .c-collab__foot {
  margin: clamp(24px, 3.4vw, 34px) 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--slate);
}
.page-contact .c-collab__foot a {
  color: var(--orange-soft);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 176, 138, 0.5);
}
.page-contact .c-collab__foot a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* 到访与邮寄 */
.page-contact .c-visit {
  padding: clamp(46px, 7vw, 92px) 0;
  background: var(--ink);
}
.page-contact .c-visit__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  align-items: stretch;
}
.page-contact .c-visit__card {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: clamp(20px, 3.4vw, 36px);
  border-radius: var(--radius-lg);
  background: rgba(247, 250, 246, 0.04);
  border: 1px solid var(--c-hair-ink);
  min-width: 0;
}
.page-contact .c-visit__card .c-h2 {
  max-width: 14ch;
}
.page-contact .c-visit__addr {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}
.page-contact .c-visit__meta {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--chalk);
  overflow-wrap: anywhere;
}
.page-contact .c-visit__meta-key {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate);
}
.page-contact .c-showmore {
  margin-top: 10px;
  border-top: 1px dashed var(--line-strong);
  padding-top: 14px;
}
.page-contact .c-showmore__summary {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--orange-soft);
}
.page-contact .c-showmore__summary::-webkit-details-marker {
  display: none;
}
.page-contact .c-showmore__summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cyan);
}
.page-contact .c-showmore[open] .c-showmore__summary::before {
  content: "−";
}
.page-contact .c-showmore__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}
.page-contact .c-showmore__body p {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(247, 250, 246, 0.74);
}
.page-contact .c-visit__figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-deep);
  border: 1px solid var(--c-hair-ink);
}
.page-contact .c-visit__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}
.page-contact .c-visit__figure .caption {
  padding: 12px 16px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--slate);
  border-top: 1px solid var(--c-hair-ink);
}

/* 底部行动条 */
.page-contact .c-next {
  padding: clamp(34px, 5vw, 56px) 0;
  background: var(--green);
  color: var(--chalk);
}
.page-contact .c-next__inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
}
.page-contact .c-next__text {
  margin: 0;
  max-width: 52ch;
  font-size: clamp(15px, 1.9vw, 18px);
  line-height: 1.7;
  font-weight: 500;
}
.page-contact .c-next__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}
.page-contact .c-next__ghost {
  font-size: 15px;
  font-weight: 700;
  color: var(--chalk);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 2px solid rgba(247, 250, 246, 0.45);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-contact .c-next__ghost:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* 桌面栅格 */
@media (min-width: 760px) {
  .page-contact .c-feedback__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(28px, 5vw, 64px);
  }
  .page-contact .c-head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
  .page-contact .c-collab__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }
  .page-contact .c-next__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
  }
}

@media (min-width: 920px) {
  .page-contact .c-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
  .page-contact .c-visit__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
  .page-contact .c-tickets {
    gap: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
<<<END>>>