.page-contact {
  --contact-radius: 16px;
  background: var(--canvas);
  color: var(--ink);
  padding: 36px 0 80px;
  overflow-x: clip;
}

/* —— 面包屑 —— */
.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 40px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--rock);
}
.page-contact .breadcrumbs a {
  color: var(--rock);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.page-contact .breadcrumbs a:hover {
  color: var(--kiwi);
  border-bottom-color: var(--kiwi);
}

/* —— 通用小标签 —— */
.page-contact .eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--moss);
  margin: 0 0 14px;
}

/* —— 首屏 —— */
.page-contact .contact-intro {
  max-width: 880px;
  margin-bottom: clamp(40px, 6.5vw, 76px);
}
.page-contact .contact-intro__title {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(32px, 6vw, 64px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 22px;
  color: var(--ink);
}
.page-contact .contact-intro__lead {
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 40em;
  margin: 0;
}

/* —— 联系面板 —— */
.page-contact .contact-board__lead {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  min-width: 0;
}

/* 联系卡片 */
.page-contact .contact-card {
  position: relative;
  isolation: isolate;
  border-radius: var(--contact-radius);
  background: var(--seed);
  color: var(--paper);
  overflow: hidden;
  padding: clamp(26px, 5vw, 48px);
}
.page-contact .contact-card__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
  z-index: 0;
  pointer-events: none;
}
.page-contact .contact-card__inner {
  position: relative;
  z-index: 1;
}
.page-contact .contact-card__eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--pulse);
  margin: 0 0 14px;
}
.page-contact .contact-card__title {
  font-size: clamp(21px, 3vw, 28px);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.01em;
  margin: 0 0 28px;
  color: var(--paper);
}
.page-contact .contact-card__list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 16px;
}
.page-contact .contact-card__list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  min-width: 0;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(217, 214, 203, 0.16);
}
.page-contact .contact-card__list li:last-child {
  padding-bottom: 0;
  border-bottom: none;
}
.page-contact .contact-card__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: rgba(190, 198, 186, 0.78);
}
.page-contact .contact-card__value {
  font-size: 16px;
  line-height: 1.55;
  color: var(--paper);
  overflow-wrap: anywhere;
  min-width: 0;
}
.page-contact .contact-card__value.num {
  font-family: var(--font-mono);
  font-feature-settings: "tnum";
  letter-spacing: 0.01em;
}
.page-contact .contact-card__note {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid rgba(217, 214, 203, 0.16);
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(217, 214, 203, 0.7);
}

/* 通道栏 */
.page-contact .channel-board {
  min-width: 0;
}
.page-contact .channel-board__title {
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin: 0 0 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}
.page-contact .channel-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-contact .channel {
  position: relative;
  padding: 20px 20px 20px 46px;
  background: var(--paper);
  border: 1px solid rgba(217, 214, 203, 0.75);
  border-radius: 14px;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}
.page-contact .channel:hover {
  transform: translateY(-2px);
  border-color: rgba(93, 187, 63, 0.5);
  box-shadow: 0 10px 24px rgba(16, 22, 15, 0.07);
}
.page-contact .channel__dot {
  position: absolute;
  left: 20px;
  top: 25px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(16, 22, 15, 0.04);
}
.page-contact .channel--blue .channel__dot { background: var(--blue); }
.page-contact .channel--clay .channel__dot { background: var(--clay); }
.page-contact .channel--kiwi .channel__dot { background: var(--kiwi); }
.page-contact .channel__title {
  font-size: 16.5px;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--ink);
}
.page-contact .channel__body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}
.page-contact .channel-board__foot {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--rock);
}
.page-contact .channel-board__foot a {
  color: var(--moss);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* —— 回复时效 —— */
.page-contact .reply-strip {
  display: grid;
  gap: 10px;
  padding: clamp(22px, 3.6vw, 34px);
  border-radius: 14px;
  border-left: 3px solid var(--kiwi);
  background: linear-gradient(118deg, rgba(47, 163, 107, 0.11), rgba(93, 187, 63, 0.05) 60%, rgba(244, 241, 232, 0));
}
.page-contact .reply-strip .eyebrow {
  margin: 0;
}
.page-contact .reply-strip__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
}

/* —— 纠错提交 —— */
.page-contact .correction {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  min-width: 0;
}
.page-contact .section__title {
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ink);
}
.page-contact .correction__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  counter-reset: correction-step;
}
.page-contact .correction__list li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  align-items: baseline;
  padding: 15px 0;
  border-bottom: 1px solid rgba(217, 214, 203, 0.7);
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--ink-soft);
}
.page-contact .correction__list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.page-contact .correction__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--clay);
  padding-top: 3px;
}
.page-contact .correction__note {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--rock);
}
.page-contact .correction__figure {
  margin: 0;
  border-radius: var(--contact-radius);
  overflow: hidden;
  border: 1px solid rgba(217, 214, 203, 0.7);
  background: var(--paper);
}
.page-contact .correction__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* —— 合作 —— */
.page-contact .cooperation__head {
  margin-bottom: 26px;
}
.page-contact .cooperation__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-contact .coop-card {
  padding: 22px;
  border-radius: 14px;
  border: 1px solid rgba(217, 214, 203, 0.75);
  background: var(--paper);
}
.page-contact .coop-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 10px;
  color: var(--ink);
}
.page-contact .coop-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}
.page-contact .coop-flow {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-contact .coop-flow li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 16px;
  align-items: baseline;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-soft);
}
.page-contact .coop-flow .mono {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--kiwi);
}
.page-contact .cooperation__more {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--rock);
}
.page-contact .cooperation__more a {
  color: var(--moss);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* —— 站点信息 —— */
.page-contact .site-info {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding: clamp(26px, 4.5vw, 44px);
  border-radius: var(--contact-radius);
  background: linear-gradient(150deg, var(--seed), var(--grass-deep));
  color: var(--paper);
}
.page-contact .site-info__name {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.page-contact .site-info__line {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: rgba(217, 214, 203, 0.72);
}
.page-contact .site-info__meta {
  margin: 0;
  display: grid;
  grid-template-columns: 88px 1fr;
  row-gap: 12px;
  column-gap: 16px;
  font-size: 14.5px;
  line-height: 1.6;
}
.page-contact .site-info__meta dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: rgba(217, 214, 203, 0.66);
}
.page-contact .site-info__meta dd {
  margin: 0;
  color: var(--paper);
  overflow-wrap: anywhere;
  min-width: 0;
}
.page-contact .site-info__meta dd.num {
  font-family: var(--font-mono);
  font-feature-settings: "tnum";
}
.page-contact .site-info__links {
  margin: 0;
  padding-top: 20px;
  border-top: 1px solid rgba(217, 214, 203, 0.18);
  font-size: 14px;
  line-height: 1.78;
  color: rgba(217, 214, 203, 0.72);
}
.page-contact .site-info__links a {
  color: var(--pulse);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* —— 键盘焦点 —— */
.page-contact a:focus-visible {
  outline: 2px solid var(--pulse);
  outline-offset: 3px;
  border-radius: 3px;
}

/* —— 段落节奏 —— */
.page-contact .wrap > .section + .section {
  margin-top: clamp(46px, 6.6vw, 88px);
}

/* —— 响应式 —— */
@media (min-width: 560px) {
  .page-contact .contact-card__list li {
    grid-template-columns: 96px 1fr;
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 720px) {
  .page-contact .reply-strip {
    grid-template-columns: 150px 1fr;
    align-items: center;
    gap: 28px;
  }
  .page-contact .cooperation__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-board__lead {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }
  .page-contact .correction {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
    gap: 52px;
    align-items: center;
  }
}

@media (min-width: 780px) {
  .page-contact .site-info {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
    gap: 40px;
    align-items: start;
  }
  .page-contact .site-info__links {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .breadcrumbs a {
    transition: none;
  }
  .page-contact .channel:hover {
    transform: none;
  }
}