.page-contact {
  --contact-dash: rgba(174, 185, 180, 0.22);
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--cream);
}

.page-contact p {
  margin: 0 0 12px;
}

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

/* 首屏 */
.contact-hero {
  position: relative;
  padding: clamp(20px, 5vw, 40px) 0 clamp(40px, 7vw, 84px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 88% 4%, rgba(200, 255, 61, 0.10), transparent 52%),
    radial-gradient(circle at 10% 96%, rgba(255, 138, 61, 0.08), transparent 55%);
}

.contact-hero .crumbs {
  margin-bottom: clamp(18px, 4vw, 34px);
}

.contact-hero__grid {
  display: grid;
  gap: clamp(24px, 5vw, 40px);
}

.contact-hero h1 {
  font-size: clamp(1.95rem, 8.2vw, 3.5rem);
  margin: 10px 0 18px;
  max-width: 18em;
}

.contact-hero__intro {
  max-width: 36em;
  color: rgba(243, 235, 221, 0.82);
  font-size: clamp(0.96rem, 2.6vw, 1.05rem);
}

.contact-hero__mailbox {
  margin-top: clamp(22px, 4vw, 34px);
  border-left: 2px solid var(--orange);
  padding: 4px 0 4px 16px;
}

.contact-hero__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--moss);
  margin-bottom: 4px;
}

.contact-hero__mail {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 4vw, 1.45rem);
  color: var(--orange);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid rgba(255, 138, 61, 0.55);
  padding-bottom: 2px;
  transition: color var(--ease), border-color var(--ease);
}

.contact-hero__mail:hover,
.contact-hero__mail:focus-visible {
  color: var(--lime);
  border-color: var(--lime);
}

.contact-hero__mail:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

/* 联系信息牌 */
.contact-plate {
  position: relative;
  border: 1px solid var(--line-strong);
  background: linear-gradient(165deg, rgba(11, 36, 29, 0.98), rgba(26, 20, 16, 0.98));
  padding: clamp(18px, 4vw, 26px);
}

.contact-plate::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 72px;
  height: 2px;
  background: var(--lime);
}

.contact-plate__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-strong);
}

.contact-plate__title {
  font-size: clamp(1.05rem, 3.6vw, 1.3rem);
  letter-spacing: 0.02em;
}

.contact-list {
  margin: 0;
  padding: 0;
}

.contact-list__row {
  display: grid;
  gap: 2px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--contact-dash);
}

.contact-list__row:last-child {
  border-bottom: 0;
  padding-bottom: 4px;
}

.contact-list__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--moss);
}

.contact-list__val {
  margin: 0;
  color: var(--cream);
  font-size: 0.95rem;
  word-break: break-word;
}

.contact-list__val--num {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  letter-spacing: 0.03em;
}

.contact-list__link {
  color: var(--cream);
  text-decoration: underline;
  text-decoration-color: rgba(200, 255, 61, 0.5);
  text-underline-offset: 3px;
  word-break: break-all;
  transition: color var(--ease), text-decoration-color var(--ease);
}

.contact-list__link:hover,
.contact-list__link:focus-visible {
  color: var(--lime);
  text-decoration-color: var(--lime);
}

.contact-plate__figure {
  margin: 18px 0 0;
}

.contact-plate__figure .figure__media,
.contact-address__figure .figure__media {
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--panel);
}

.contact-address__figure .figure__media {
  aspect-ratio: 3 / 2;
}

.contact-plate__figure .figure__img,
.contact-address__figure .figure__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.contact-plate__figure .figure__caption,
.contact-address__figure .figure__caption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--moss);
}

/* 沟通方向 */
.contact-routes {
  padding: clamp(38px, 7vw, 72px) 0;
  border-bottom: 1px solid var(--line);
}

.contact-head {
  max-width: 44rem;
  margin-bottom: clamp(22px, 4vw, 36px);
}

.contact-head h2 {
  font-size: clamp(1.45rem, 5.2vw, 2.25rem);
  margin: 8px 0 12px;
}

.contact-head__intro {
  color: rgba(243, 235, 221, 0.74);
  margin: 0;
}

.route-band {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  border-top: 1px solid var(--line-strong);
}

.route-band__item {
  padding: 20px 0 22px;
  border-bottom: 1px solid var(--line);
}

.route-band__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.2em;
  color: var(--orange);
  margin-bottom: 8px;
}

.route-band__title {
  font-size: clamp(1.02rem, 3.4vw, 1.2rem);
  margin: 0 0 8px;
}

.route-band__text {
  color: rgba(243, 235, 221, 0.78);
  font-size: 0.93rem;
  margin: 0 0 10px;
}

.route-band__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
}

.route-band__meta a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, 0.42);
  padding-bottom: 1px;
  transition: border-color var(--ease), color var(--ease);
}

.route-band__meta a:hover,
.route-band__meta a:focus-visible {
  color: var(--cream);
  border-color: var(--cream);
}

/* 反馈准备 */
.contact-prep {
  padding: clamp(38px, 7vw, 76px) 0;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(11, 36, 29, 0.42), transparent 62%);
}

.contact-prep__grid {
  display: grid;
  gap: 26px;
}

.contact-prep h2 {
  font-size: clamp(1.45rem, 5vw, 2.15rem);
  margin: 8px 0 14px;
}

.contact-prep__text {
  color: rgba(243, 235, 221, 0.78);
  font-size: 0.95rem;
}

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

.contact-prep__text a:hover,
.contact-prep__text a:focus-visible {
  color: var(--cream);
}

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

.checklist__item {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  gap: 10px 12px;
  align-items: start;
  padding: 14px 16px;
  border: 1px solid var(--line-strong);
  background: rgba(13, 18, 16, 0.62);
  cursor: pointer;
  transition: border-color var(--ease), background var(--ease);
}

.checklist__item:hover {
  border-color: rgba(200, 255, 61, 0.55);
}

.checklist__item:has(.checklist__box:checked) {
  border-color: var(--lime);
  background: rgba(200, 255, 61, 0.07);
}

.checklist__box {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  border: 1px solid var(--silver);
  background: transparent;
  display: grid;
  place-content: center;
  cursor: pointer;
  transition: background var(--ease), border-color var(--ease);
}

.checklist__box::after {
  content: "";
  width: 9px;
  height: 4px;
  border-left: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(-45deg) scale(0);
  transition: transform 140ms ease;
}

.checklist__box:checked {
  background: var(--lime);
  border-color: var(--lime);
}

.checklist__box:checked::after {
  transform: rotate(-45deg) scale(1);
}

.checklist__box:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.checklist__idx {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--moss);
  padding-top: 4px;
}

.checklist__text {
  font-size: 0.92rem;
  color: rgba(243, 235, 221, 0.78);
}

.checklist__text strong {
  display: block;
  color: var(--cream);
  font-weight: 600;
  font-size: 0.97rem;
  margin-bottom: 2px;
}

/* 使用指南优先 */
.contact-guide {
  padding: clamp(38px, 7vw, 76px) 0;
  border-bottom: 1px solid var(--line);
}

.contact-guide__panel {
  position: relative;
  display: grid;
  gap: 24px;
  padding: clamp(20px, 4.5vw, 38px);
  border: 1px solid var(--line-strong);
  background: linear-gradient(150deg, rgba(11, 36, 29, 0.96), rgba(13, 18, 16, 0.96));
}

.contact-guide__panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 88px;
  height: 2px;
  background: var(--lime);
}

.contact-guide h2 {
  font-size: clamp(1.35rem, 4.6vw, 2rem);
  margin: 8px 0 14px;
}

.contact-guide__text {
  color: rgba(243, 235, 221, 0.78);
  font-size: 0.94rem;
  max-width: 34em;
}

.contact-guide__cards {
  display: grid;
  gap: 12px;
}

.guide-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "k t"
    "k d";
  gap: 2px 14px;
  padding: 16px;
  border: 1px solid var(--line);
  background: rgba(13, 18, 16, 0.6);
  color: var(--cream);
  text-decoration: none;
  transition: transform var(--ease), border-color var(--ease), background var(--ease);
}

.guide-link__kicker {
  grid-area: k;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--orange);
  padding-top: 3px;
}

.guide-link__title {
  grid-area: t;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.guide-link__desc {
  grid-area: d;
  font-size: 0.84rem;
  color: rgba(243, 235, 221, 0.72);
}

.guide-link:hover,
.guide-link:focus-visible {
  transform: translateY(-2px);
  border-color: var(--lime);
  background: rgba(200, 255, 61, 0.07);
}

.guide-link:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

/* 地址与邮件入口 */
.contact-address {
  padding: clamp(38px, 7vw, 80px) 0;
  border-bottom: 1px solid var(--line);
}

.contact-address__grid {
  display: grid;
  gap: 28px;
}

.contact-address h2 {
  font-size: clamp(1.45rem, 5vw, 2.15rem);
  margin: 8px 0 14px;
}

.contact-address__line {
  display: block;
  font-style: normal;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 3.2vw, 1.12rem);
  color: var(--paper);
  padding: 10px 14px;
  border-left: 2px solid var(--lime);
  background: rgba(232, 220, 198, 0.07);
  margin: 0 0 14px;
  word-break: break-word;
}

.contact-address__text {
  color: rgba(243, 235, 221, 0.76);
  font-size: 0.93rem;
}

.contact-address__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 14px;
}

.contact-address__meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.95;
  letter-spacing: 0.03em;
  color: var(--moss);
  margin: 0;
  word-break: break-word;
}

.contact-address__figure {
  margin: 0;
}

/* 相关说明条 */
.contact-links {
  padding: clamp(20px, 4vw, 30px) 0 clamp(30px, 5vw, 48px);
}

.contact-links__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  align-items: baseline;
  font-size: 0.85rem;
}

.contact-links__text {
  flex: 1 1 100%;
  margin: 0;
  color: rgba(243, 235, 221, 0.7);
}

.contact-links__inner a {
  color: var(--cream);
  text-decoration: none;
  border-bottom: 1px solid rgba(174, 185, 180, 0.45);
  padding-bottom: 1px;
  transition: color var(--ease), border-color var(--ease);
}

.contact-links__inner a:hover,
.contact-links__inner a:focus-visible {
  color: var(--lime);
  border-color: var(--lime);
}

@media (min-width: 520px) {
  .contact-list__row {
    grid-template-columns: 76px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }
}

@media (min-width: 720px) {
  .contact-links__text {
    flex: 0 1 auto;
  }

  .contact-guide__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-plate__figure .figure__media {
    aspect-ratio: 21 / 9;
  }
}

@media (min-width: 900px) {
  .route-band {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-bottom: 1px solid var(--line-strong);
  }

  .route-band__item {
    border-bottom: 0;
    border-right: 1px solid var(--line);
    padding: 24px 22px 26px;
  }

  .route-band__item:first-child {
    padding-left: 0;
  }

  .route-band__item:last-child {
    border-right: 0;
    padding-right: 0;
  }

  .contact-prep__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(30px, 5vw, 62px);
    align-items: start;
  }

  .contact-guide__panel {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: clamp(28px, 4vw, 52px);
    align-items: center;
  }

  .contact-address__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: clamp(28px, 5vw, 58px);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 4vw, 56px);
    align-items: start;
  }

  .contact-plate__figure .figure__media {
    aspect-ratio: 16 / 10;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .checklist__item,
  .page-contact .checklist__box,
  .page-contact .checklist__box::after,
  .page-contact .guide-link,
  .page-contact .contact-hero__mail {
    transition: none;
  }

  .page-contact .guide-link:hover,
  .page-contact .guide-link:focus-visible {
    transform: none;
  }
}
<<<END>>>