.page-contact {
  --contact-muted: #566080;
  --contact-card: #FFFFFF;
  --contact-dash: rgba(42, 51, 80, 0.28);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-display);
}

.page-contact .contact-shell {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(20px, 3vw, 36px) var(--gutter) clamp(48px, 6vw, 88px);
}

/* 面包屑 */
.page-contact .contact-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(20px, 3vw, 34px);
  font-family: var(--font-mono);
  font-size: var(--t-12);
  letter-spacing: 0.05em;
  color: var(--contact-muted);
}

.page-contact .contact-crumb a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--turq);
  padding-bottom: 1px;
}

.page-contact .contact-crumb a:hover {
  color: var(--turq);
}

.page-contact .breadcrumb__sep {
  color: var(--line);
  opacity: 0.6;
}

/* 首屏 */
.page-contact .contact-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: end;
  padding-bottom: clamp(32px, 5vw, 56px);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero__copy h1 {
  margin: 12px 0 20px;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.06;
  font-size: clamp(34px, 6.2vw, 64px);
  color: var(--ink);
}

.page-contact .contact-hero .lede {
  margin: 0;
  max-width: 48ch;
  font-size: var(--t-18);
  line-height: 1.78;
  color: var(--contact-muted);
}

.page-contact .contact-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 32px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  font-size: var(--t-14);
  color: var(--contact-muted);
}

.page-contact .contact-hero__quick li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-contact .contact-hero__quick .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--t-22);
  font-weight: 700;
  color: var(--rust);
}

.page-contact .contact-hero__media {
  margin: 0;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  background: var(--ink-deep);
  overflow: hidden;
  box-shadow: 6px 6px 0 rgba(16, 27, 60, 0.09);
}

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

/* 双栏对照区 */
.page-contact .contact-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(36px, 5vw, 64px);
  padding-block: clamp(40px, 6vw, 76px);
}

.page-contact .rule {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.page-contact .rule .serif-index {
  font-family: var(--font-serif);
  font-size: var(--t-14);
  color: var(--gold);
  letter-spacing: 0.1em;
}

.page-contact .contact-h2 {
  margin: 0;
  font-size: var(--t-22);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .contact-sub {
  margin: 0 0 clamp(20px, 3vw, 28px);
  max-width: 44ch;
  font-size: var(--t-16);
  line-height: 1.78;
  color: var(--contact-muted);
}

/* 渠道卡片 */
.page-contact .channels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .channel {
  display: grid;
  grid-template-columns: 6px 1fr;
  background: var(--contact-card);
  border: 1px solid var(--line);
  box-shadow: 4px 4px 0 rgba(16, 27, 60, 0.07);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  border-color: var(--gold);
  box-shadow: 6px 8px 0 rgba(16, 27, 60, 0.1);
}

.page-contact .channel__bar {
  display: block;
}

.page-contact .channel__bar--turq {
  background: var(--turq);
}

.page-contact .channel__bar--gold {
  background: var(--gold);
}

.page-contact .channel__bar--rust {
  background: var(--rust);
}

.page-contact .channel__body {
  padding: 18px 20px 20px;
  min-width: 0;
}

.page-contact .channel__kind {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: var(--t-14);
  letter-spacing: 0.12em;
  color: var(--rust);
}

.page-contact .channel__value {
  display: inline-block;
  max-width: 100%;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(16px, 3vw, 22px);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 2px solid var(--turq);
  padding-bottom: 3px;
}

.page-contact .channel__value:hover {
  color: var(--turq);
}

.page-contact .channel__value--addr {
  font-family: var(--font-display);
  font-size: var(--t-18);
  font-weight: 700;
  line-height: 1.5;
  word-break: normal;
  border-bottom: none;
  padding-bottom: 0;
}

.page-contact .channel__note {
  margin: 12px 0 0;
  font-size: var(--t-14);
  line-height: 1.75;
  color: var(--contact-muted);
}

.page-contact .channel__fit {
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--contact-dash);
  font-family: var(--font-mono);
  font-size: var(--t-12);
  letter-spacing: 0.02em;
  color: var(--rust);
}

.page-contact .contact-aside {
  margin: 20px 0 0;
  font-size: var(--t-14);
  line-height: 1.75;
  color: var(--contact-muted);
}

.page-contact .contact-aside a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--turq);
}

.page-contact .contact-aside a:hover {
  color: var(--turq);
}

/* 反馈要点 */
.page-contact .tips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-contact .tips__item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--contact-dash);
}

.page-contact .tips__item:first-child {
  border-top: 1px dashed var(--contact-dash);
}

.page-contact .tips__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--t-14);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-contact .tips__title {
  margin: 0 0 4px;
  font-size: var(--t-16);
  font-weight: 700;
  color: var(--ink);
}

.page-contact .tips__text p {
  margin: 0;
  font-size: var(--t-14);
  line-height: 1.75;
  color: var(--contact-muted);
}

.page-contact .tips-shot {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 8px;
  background: var(--contact-card);
  border: 1px solid var(--line);
}

.page-contact .tips-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 600;
  object-fit: cover;
}

.page-contact .tips-shot figcaption {
  padding: 9px 4px 3px;
  font-size: var(--t-12);
  line-height: 1.6;
  color: var(--contact-muted);
}

/* 服务时段 */
.page-contact .hours {
  position: relative;
  margin-top: clamp(22px, 3vw, 30px);
  padding: clamp(20px, 3vw, 28px);
  background: var(--ink);
  border: 1px solid var(--line);
}

.page-contact .hours::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--flag-band);
}

.page-contact .hours__title {
  margin: 0 0 14px;
  font-size: var(--t-16);
  font-weight: 700;
  color: var(--paper);
}

.page-contact .hours__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 16px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(201, 207, 221, 0.16);
  font-size: var(--t-14);
}

.page-contact .hours__row:last-of-type {
  border-bottom: none;
}

.page-contact .hours__key {
  color: var(--mist);
}

.page-contact .hours__val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--gold);
  text-align: right;
}

.page-contact .hours__foot {
  margin: 14px 0 0;
  font-size: var(--t-12);
  line-height: 1.75;
  color: var(--mist);
}

/* 合作 */
.page-contact .partner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  padding-block: clamp(36px, 5vw, 64px);
  border-top: 1px solid var(--line);
}

.page-contact .partner__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .partner__stats li {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  background: var(--contact-card);
}

.page-contact .partner__stats .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--t-22);
  font-weight: 700;
  color: var(--turq);
}

.page-contact .partner__stat-label {
  font-size: var(--t-12);
  letter-spacing: 0.04em;
  color: var(--contact-muted);
}

.page-contact .partner__ask {
  padding: clamp(20px, 3vw, 30px);
  background: var(--contact-card);
  border: 1px solid var(--line);
  box-shadow: 5px 5px 0 rgba(16, 27, 60, 0.07);
}

.page-contact .partner__ask-title {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-size: var(--t-16);
  font-weight: 700;
  color: var(--ink);
}

.page-contact .partner__list {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 10px;
  font-size: var(--t-14);
  line-height: 1.75;
  color: var(--contact-muted);
}

.page-contact .partner__list::marker {
  color: var(--rust);
}

.page-contact .partner__list li::marker {
  font-family: var(--font-mono);
  color: var(--rust);
}

.page-contact .partner__note {
  margin: 18px 0 20px;
  padding-top: 14px;
  border-top: 1px dashed var(--contact-dash);
  font-size: var(--t-12);
  line-height: 1.75;
  color: var(--contact-muted);
}

/* 备案条带 */
.page-contact .contact-band {
  position: relative;
  background: var(--ink-deep);
  color: var(--paper);
  padding: clamp(30px, 4vw, 52px) 0;
  margin-top: clamp(24px, 4vw, 48px);
}

.page-contact .contact-band::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: var(--flag-band);
}

.page-contact .contact-band__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: var(--gutter);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 40px);
  align-items: center;
}

.page-contact .contact-band__title {
  margin: 0 0 10px;
  font-size: var(--t-22);
  font-weight: 700;
  color: var(--paper);
}

.page-contact .contact-band__text {
  margin: 0;
  max-width: 42ch;
  font-size: var(--t-14);
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .contact-band__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0;
}

.page-contact .contact-band__cell {
  padding-left: 12px;
  border-left: 2px solid var(--gold);
}

.page-contact .contact-band__list dt {
  margin-bottom: 5px;
  font-size: var(--t-12);
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-contact .contact-band__list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--t-14);
  line-height: 1.6;
  color: var(--gold);
  word-break: break-word;
}

/* 响应式 */
@media (min-width: 640px) {
  .page-contact .contact-band__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .partner__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }

  .page-contact .contact-hero__media {
    aspect-ratio: 4 / 3;
  }

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

  .page-contact .contact-band__inner {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-contact .contact-split__col--tips {
    padding-left: clamp(0px, 2vw, 24px);
    border-left: 1px solid rgba(42, 51, 80, 0.22);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel {
    transition: none;
  }
}