.page-contact {
  --contact-pad: clamp(20px, 3vw, 28px);
  --contact-gap: clamp(16px, 2.6vw, 26px);
}

.page-contact .contact-hero {
  padding-top: clamp(24px, 4vw, 44px);
}

.page-contact .breadcrumbs {
  margin: 0 0 clamp(18px, 3vw, 30px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--dim);
}

.page-contact .breadcrumbs a {
  color: var(--dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

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

.page-contact .breadcrumbs span {
  color: var(--paper);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

.page-contact h1 {
  margin: 0.28em 0 0;
  color: var(--paper);
  text-wrap: balance;
}

.page-contact .contact-hero__intro {
  max-width: 34em;
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  color: var(--paper);
  font-size: 16px;
  line-height: 1.8;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-contact .contact-hero__note {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--dim);
}

.page-contact .contact-hero__media {
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact h2 {
  margin: 0.42em 0 0;
  font-size: clamp(23px, 3.6vw, 33px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--paper);
  text-wrap: balance;
}

.page-contact h3 {
  color: var(--paper);
}

.page-contact .section-head {
  max-width: 46em;
}

.page-contact .section-head p {
  margin: 12px 0 0;
  max-width: 40em;
  color: var(--dim);
  font-size: 15px;
  line-height: 1.8;
}

.page-contact p a:not(.btn) {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact p a:not(.btn):focus-visible {
  outline: 2px solid var(--accent-soft);
  outline-offset: 2px;
}

/* 三条通道卡片 */
.page-contact .channel-grid {
  display: grid;
  gap: var(--contact-gap);
  margin-top: clamp(24px, 3.6vw, 38px);
}

.page-contact .channel-card {
  position: relative;
  padding: calc(var(--contact-pad) + 8px) var(--contact-pad) var(--contact-pad);
  background: var(--ink-2);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
  scroll-margin-top: 96px;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--accent);
}

.page-contact .channel-card--phone::before {
  background: var(--accent-soft);
}

.page-contact .channel-card--addr::before {
  background: var(--dim);
}

.page-contact .channel-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 2px solid transparent;
  pointer-events: none;
  transition: border-color 0.2s var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-3px);
  background: var(--ink-2);
}

.page-contact .channel-card:hover::after,
.page-contact .channel-card:focus-within::after,
.page-contact .channel-card:target::after {
  border-color: var(--accent);
}

.page-contact .channel-card__flag {
  display: inline-block;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--accent);
  border: 1px solid var(--line);
}

.page-contact .channel-card h3 {
  margin: 14px 0 0;
  font-size: clamp(20px, 2.6vw, 24px);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-contact .channel-card__desc {
  margin: 10px 0 0;
  color: var(--dim);
  font-size: 15px;
  line-height: 1.75;
}

.page-contact .channel-card__value {
  display: block;
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 3.6vw, 17px);
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--accent);
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 1px solid var(--line);
  padding-bottom: 6px;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .channel-card__value:hover,
.page-contact .channel-card__value:focus-visible {
  color: var(--accent-soft);
  border-bottom-color: var(--accent);
}

.page-contact .channel-card__value--plain {
  color: var(--paper);
  border-bottom-style: dashed;
}

.page-contact .channel-card__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 9px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--dim);
}

.page-contact .channel-card__list li {
  display: flex;
  gap: 8px;
}

.page-contact .channel-card__list li::before {
  content: "—";
  flex: none;
  color: var(--accent);
}

.page-contact .addr-map {
  display: block;
  width: 100%;
  max-width: 260px;
  height: auto;
  margin: 18px 0 0;
  color: var(--line);
}

/* 写信要点 */
.page-contact .writing-grid {
  display: grid;
  gap: clamp(22px, 3vw, 44px);
}

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

.page-contact .writing-list__item {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .writing-list__mark {
  width: 14px;
  height: 14px;
  margin-top: 5px;
  color: var(--accent);
}

.page-contact .writing-list__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
  line-height: 1.5;
}

.page-contact .writing-list__text {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--dim);
}

/* 服务时间 */
.page-contact .hours-panel {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
  padding: clamp(22px, 3.4vw, 34px);
  background: var(--char-2);
  border-left: 3px solid var(--brick);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-contact .hours-panel__time {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(30px, 6vw, 46px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .hours-panel__sub {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--brick);
}

.page-contact .hours-panel__body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper);
}

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

/* 分类索引 */
.page-contact .route-index {
  list-style: none;
  margin: clamp(22px, 3.2vw, 32px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .route-index li {
  border-bottom: 1px solid var(--line);
}

.page-contact .route-index__link {
  display: grid;
  grid-template-columns: 2.4em minmax(0, 1fr) 1.4em;
  gap: 14px;
  align-items: start;
  padding: 16px 6px;
  color: var(--paper);
  text-decoration: none;
  transition: background 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-contact .route-index__link:hover,
.page-contact .route-index__link:focus-visible {
  background: var(--char-2);
  padding-left: 16px;
}

.page-contact .route-index__link:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: -1px;
}

.page-contact .route-index__num {
  font-size: 13px;
  color: var(--dim);
  padding-top: 3px;
}

.page-contact .route-index__body {
  display: grid;
  gap: 5px;
}

.page-contact .route-index__name {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
}

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

.page-contact .route-index__go {
  font-family: var(--font-mono);
  color: var(--accent);
  text-align: right;
}

/* 合作与媒体 */
.page-contact .coop-grid {
  display: grid;
  gap: clamp(24px, 4vw, 52px);
}

.page-contact .coop__media {
  margin: 0;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-contact .coop__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .coop__lead {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--dim);
  max-width: 40em;
}

.page-contact .coop-list {
  list-style: none;
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .coop-list__item {
  display: grid;
  grid-template-columns: 2.4em minmax(0, 1fr);
  gap: 12px;
  padding: 16px 18px;
  background: var(--ink-2);
  border-left: 2px solid var(--line);
  transition: border-color 0.18s var(--ease);
}

.page-contact .coop-list__item:hover {
  border-left-color: var(--accent);
}

.page-contact .coop-list__num {
  font-size: 13px;
  color: var(--accent);
  padding-top: 3px;
}

.page-contact .coop-list__text h3 {
  margin: 0;
  font-size: 17px;
  line-height: 1.4;
}

.page-contact .coop-list__text p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--dim);
}

.page-contact .coop__foot {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper);
}

/* 备案与主体信息 */
.page-contact .legal-panel {
  margin-top: 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .legal-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  justify-content: space-between;
  margin: 0;
  padding: 13px 0;
  font-size: 13px;
  border-bottom: 1px dashed var(--line);
}

.page-contact .legal-row:last-child {
  border-bottom: 0;
}

.page-contact .legal-row__k {
  color: var(--dim);
  letter-spacing: 0.04em;
}

.page-contact .legal-row__v {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .legal-note {
  margin: 16px 0 0;
  max-width: 46em;
  font-size: 13px;
  line-height: 1.8;
  color: var(--dim);
}

@media (min-width: 760px) {
  .page-contact .hours-panel {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: center;
  }
}

@media (min-width: 880px) {
  .page-contact .contact-hero__media {
    aspect-ratio: 3 / 2;
  }

  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .channel-card:nth-child(2) {
    margin-top: 26px;
  }

  .page-contact .channel-card:nth-child(3) {
    margin-top: 52px;
  }

  .page-contact .writing-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-contact .coop-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .channel-card::after,
  .page-contact .route-index__link,
  .page-contact .coop-list__item,
  .page-contact .channel-card__value {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within {
    transform: none;
  }
}
<<<END>>>