.page-contact {
  --contact-shadow-soft: 6px 6px 0 var(--yk-teal);
  --contact-shadow-hard: 8px 8px 0 var(--yk-ink);
  background-color: var(--yk-sand);
  color: var(--yk-ink);
}

.page-contact .yk-breadcrumb {
  padding-block: clamp(16px, 3vw, 28px) 0;
}

.page-contact .yk-section {
  padding-block: clamp(40px, 7vw, 80px);
}

/* ---------- 首屏 ---------- */
.contact-hero {
  padding-block: clamp(18px, 3vw, 32px) clamp(32px, 5vw, 64px);
}

.contact-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 52px);
  align-items: start;
}

.contact-hero__title {
  margin: 12px 0 0;
  font-family: var(--yk-font-head);
  font-size: clamp(38px, 8.4vw, 82px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--yk-ink);
}

.contact-hero__title em {
  font-style: normal;
  color: var(--yk-teal);
  box-shadow: inset 0 -0.14em 0 var(--yk-mint);
}

.contact-hero__lede {
  margin-top: clamp(16px, 2.6vw, 24px);
  max-width: 38em;
  color: var(--yk-ink);
}

.contact-anchors {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(24px, 4vw, 36px);
}

.contact-anchor {
  display: block;
  padding: clamp(16px, 3vw, 22px);
  background: var(--yk-paper);
  border: 3px solid var(--yk-ink);
  box-shadow: var(--contact-shadow-soft);
  text-decoration: none;
  color: var(--yk-ink);
  transition: transform 150ms var(--yk-ease), box-shadow 150ms var(--yk-ease), background-color 150ms var(--yk-ease);
}

.contact-anchor:hover,
.contact-anchor:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 9px 9px 0 var(--yk-teal);
  background: var(--yk-mint);
}

.contact-anchor__label {
  display: block;
  font-family: var(--yk-font-mono);
  font-size: 12px;
  letter-spacing: 0.09em;
  color: var(--yk-gray);
  text-transform: uppercase;
}

.contact-anchor__value {
  display: block;
  margin-top: 8px;
  font-family: var(--yk-font-mono);
  font-size: clamp(15px, 3.1vw, 22px);
  font-weight: 600;
  line-height: 1.3;
  word-break: break-word;
  color: var(--yk-ink);
}

.contact-anchor__value--tel {
  font-size: clamp(26px, 7vw, 44px);
  letter-spacing: 0.02em;
  color: var(--yk-orange);
}

.contact-anchor__hint {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  color: var(--yk-gray);
}

.contact-anchor--tel {
  background: var(--yk-deep);
  border-color: var(--yk-ink);
  box-shadow: 6px 6px 0 var(--yk-orange);
}

.contact-anchor--tel .contact-anchor__label,
.contact-anchor--tel .contact-anchor__hint {
  color: var(--yk-mint);
}

.contact-anchor--tel:hover,
.contact-anchor--tel:focus-visible {
  background: var(--yk-teal);
  box-shadow: 9px 9px 0 var(--yk-orange);
}

.contact-hero__figure {
  margin: 0;
}

.contact-hero__img {
  position: relative;
  padding: 0 0 14px 14px;
}

.contact-hero__img::before {
  content: "";
  position: absolute;
  inset: 14px 14px -8px -8px;
  background: var(--yk-teal);
  clip-path: polygon(10% 0, 100% 0, 100% 100%, 0 100%);
}

.contact-hero__img img {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 3px solid var(--yk-ink);
  clip-path: polygon(10% 0, 100% 0, 100% 100%, 0 100%);
}

.contact-hero__cap {
  margin-top: 14px;
  font-family: var(--yk-font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--yk-gray);
}

/* ---------- 事由跳转带 ---------- */
.contact-jump {
  background: var(--yk-mint);
  border-block: 2px solid var(--yk-ink);
}

.contact-jump__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
  padding-block: 14px;
}

.contact-jump__label {
  margin: 0;
  font-family: var(--yk-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--yk-deep);
  text-transform: uppercase;
}

.contact-jump__link {
  position: relative;
  font-size: 15px;
  font-weight: 600;
  color: var(--yk-ink);
  text-decoration: none;
  padding-bottom: 2px;
}

.contact-jump__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--yk-orange);
  transition: right 160ms var(--yk-ease);
}

.contact-jump__link:hover::after,
.contact-jump__link:focus-visible::after {
  right: 0;
}

/* ---------- 章节头 ---------- */
.contact-head {
  margin-bottom: clamp(24px, 4vw, 40px);
  max-width: 46em;
}

.contact-head .yk-meta {
  color: var(--yk-teal);
  font-family: var(--yk-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.contact-head__num {
  display: inline-block;
  margin-right: 10px;
  padding: 1px 7px;
  background: var(--yk-teal);
  color: var(--yk-paper);
}

.contact-head .yk-h2 {
  margin-top: 12px;
  font-family: var(--yk-font-head);
  font-weight: 900;
  font-size: clamp(26px, 4.6vw, 44px);
  line-height: 1.14;
  letter-spacing: -0.01em;
}

.contact-head__text {
  margin-top: 14px;
  color: var(--yk-gray);
}

/* ---------- 三条通道 ---------- */
.contact-routes__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 3px solid var(--yk-ink);
}

.contact-route {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding-block: clamp(18px, 3vw, 26px);
  border-bottom: 2px solid var(--yk-line);
  transition: background-color 150ms var(--yk-ease);
}

.contact-route:hover {
  background: var(--yk-paper);
}

.contact-route__idx {
  font-family: var(--yk-font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--yk-orange);
}

.contact-route__title {
  margin: 0;
  font-family: var(--yk-font-head);
  font-size: clamp(19px, 3.2vw, 24px);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.contact-route__desc {
  margin: 8px 0 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--yk-gray);
}

.contact-route__value,
.contact-route__address {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--yk-font-mono);
  font-size: clamp(14px, 2.6vw, 18px);
  font-weight: 600;
  color: var(--yk-teal);
  text-decoration: none;
  border-bottom: 2px solid var(--yk-mint);
  word-break: break-word;
  transition: border-color 150ms var(--yk-ease), color 150ms var(--yk-ease);
}

.contact-route__address {
  color: var(--yk-ink);
  border-bottom-color: var(--yk-line);
}

.contact-route__value:hover,
.contact-route__value:focus-visible {
  color: var(--yk-ink);
  border-bottom-color: var(--yk-orange);
}

.contact-route__meta {
  margin: 4px 0 0;
  font-family: var(--yk-font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--yk-green);
}

/* ---------- 面板反馈 ---------- */
.contact-feedback {
  background: var(--yk-paper);
  border-block: 2px solid var(--yk-ink);
}

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

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

.contact-check li {
  position: relative;
  padding-left: 26px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--yk-ink);
}

.contact-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 16px;
  height: 3px;
  background: var(--yk-orange);
}

.contact-feedback__copy .yk-note {
  margin-top: clamp(20px, 3vw, 28px);
  padding-left: 14px;
  border-left: 3px solid var(--yk-orange);
  font-size: 15px;
  line-height: 1.8;
  color: var(--yk-gray);
}

.contact-feedback__actions {
  margin-top: clamp(20px, 3vw, 28px);
}

.contact-shot {
  margin: 0;
}

.contact-shot__img {
  border: 3px solid var(--yk-ink);
  box-shadow: var(--contact-shadow-hard);
  background: var(--yk-mint);
}

.contact-shot__img img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.contact-shot__cap {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--yk-gray);
  padding-left: 12px;
  border-left: 2px solid var(--yk-line);
}

/* ---------- 资料与合作卡 ---------- */
.contact-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 34px);
}

.contact-card {
  position: relative;
  padding: clamp(22px, 4vw, 34px);
  background: var(--yk-paper);
  border: 3px solid var(--yk-ink);
  box-shadow: var(--contact-shadow-hard);
  overflow: hidden;
}

.contact-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 46px;
  height: 46px;
  background: var(--yk-orange);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  pointer-events: none;
}

.contact-card__title {
  margin: 16px 0 0;
  font-family: var(--yk-font-head);
  font-size: clamp(20px, 3.4vw, 27px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.contact-card__text {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--yk-gray);
}

.contact-card__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 16px 0 0;
  border-top: 2px solid var(--yk-mint);
  display: grid;
  gap: 9px;
}

.contact-card__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--yk-ink);
}

.contact-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 7px;
  height: 7px;
  background: var(--yk-teal);
}

.contact-card__link {
  display: inline-block;
  margin-top: 20px;
  font-family: var(--yk-font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--yk-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--yk-orange);
  padding-bottom: 3px;
}

.contact-card__link:hover,
.contact-card__link:focus-visible {
  color: var(--yk-orange);
}

/* ---------- 支持范围 ---------- */
.contact-scope-section {
  background: var(--yk-sand);
}

.contact-scope {
  border-top: 3px solid var(--yk-ink);
}

.contact-scope__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding-block: clamp(16px, 2.6vw, 22px);
  border-bottom: 2px solid var(--yk-line);
}

.contact-scope__title {
  margin: 0;
  font-family: var(--yk-font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--yk-teal);
}

.contact-scope__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--yk-ink);
  max-width: 44em;
}

.contact-scope__foot {
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-size: 15px;
  color: var(--yk-gray);
}

/* ---------- 联系地址 ---------- */
.contact-address__card {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 5vw, 48px);
  background: var(--yk-deep);
  color: var(--yk-paper);
  border: 3px solid var(--yk-ink);
  box-shadow: 10px 10px 0 var(--yk-teal);
}

.contact-address__grid {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.contact-address__body {
  position: relative;
  max-width: 40em;
}

.contact-address__eyebrow {
  color: var(--yk-orange);
  font-family: var(--yk-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.contact-address__line {
  margin: 14px 0 0;
  font-family: var(--yk-font-head);
  font-size: clamp(22px, 4.6vw, 38px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--yk-paper);
}

.contact-address__text {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--yk-mint);
}

.contact-address__meta {
  margin: 20px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--yk-font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--yk-mint);
}

.contact-address__pin {
  position: absolute;
  right: clamp(18px, 4vw, 42px);
  bottom: clamp(18px, 4vw, 36px);
  opacity: 0.9;
}

/* ---------- 尾部行动 ---------- */
.contact-tail {
  padding-block: clamp(30px, 5vw, 56px);
  border-top: 2px solid var(--yk-ink);
  background: var(--yk-paper);
}

.contact-tail__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.contact-tail__label {
  margin: 0 0 12px;
  font-family: var(--yk-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--yk-gray);
  text-transform: uppercase;
}

.contact-tail__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  align-items: center;
}

/* ---------- 中等屏 ---------- */
@media (min-width: 720px) {
  .contact-anchors {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
  }

  .contact-route {
    grid-template-columns: 44px minmax(0, 1fr);
    column-gap: 20px;
  }

  .contact-route__meta {
    grid-column: 2;
    margin-top: 10px;
  }

  .contact-scope__item {
    grid-template-columns: 176px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  .contact-tail__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: end;
  }

  .contact-tail__group--legal {
    text-align: right;
  }

  .contact-tail__group--legal .contact-tail__links {
    justify-content: flex-end;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .contact-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(36px, 5vw, 64px);
  }

  .contact-hero__figure {
    margin-top: 18px;
  }

  .contact-routes__list {
    border-top-width: 3px;
  }

  .contact-route {
    grid-template-columns: 56px minmax(0, 1fr) 210px;
    column-gap: 28px;
    align-items: start;
    padding-inline: 8px;
  }

  .contact-route__meta {
    grid-column: auto;
    margin-top: 6px;
    text-align: right;
  }

  .contact-feedback__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.86fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .contact-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding-bottom: 30px;
  }

  .contact-card--offset {
    transform: translateY(30px);
  }

  .contact-address__pin {
    right: clamp(40px, 6vw, 72px);
    bottom: clamp(34px, 5vw, 56px);
  }
}

@media (min-width: 1180px) {
  .contact-hero__title {
    letter-spacing: -0.025em;
  }

  .contact-card--offset {
    transform: translateY(38px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-anchor,
  .page-contact .contact-jump__link::after,
  .page-contact .contact-route,
  .page-contact .contact-route__value {
    transition: none;
  }

  .page-contact .contact-anchor:hover,
  .page-contact .contact-anchor:focus-visible {
    transform: none;
  }

  .page-contact .contact-card--offset {
    transform: none;
  }
}
<<<END>>>