.page-contact {
  background: var(--bone);
  color: var(--night);
  overflow-x: hidden;
}

.page-contact [id] {
  scroll-margin-top: 110px;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--night);
  color: var(--bone);
  padding: clamp(40px, 6vw, 76px) 0 clamp(44px, 6vw, 84px);
}

.page-contact .diag {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.page-contact .diag::before {
  content: "";
  position: absolute;
  top: -42%;
  right: -22%;
  width: 72%;
  height: 184%;
  background: linear-gradient(180deg, rgba(38, 107, 68, 0.55), rgba(38, 107, 68, 0.03) 68%);
  transform: skewX(-16deg);
}

.page-contact .diag::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--line-dark);
}

.page-contact .hero-inner {
  position: relative;
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: rgba(245, 242, 233, 0.5);
}

.page-contact .breadcrumb a {
  color: rgba(245, 242, 233, 0.78);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--base) var(--ease), border-color var(--base) var(--ease);
}

.page-contact .breadcrumb a:hover {
  color: var(--data);
  border-bottom-color: var(--data);
}

.page-contact .contact-hero .eyebrow {
  color: var(--moss);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  margin: 0 0 16px;
}

.page-contact .contact-hero h1 {
  margin: 0 0 20px;
  max-width: 22ch;
  font-family: var(--font-head);
  font-size: clamp(30px, 6vw, 60px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-contact .contact-hero .lede {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: rgba(245, 242, 233, 0.82);
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.page-contact .hero-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  list-style: none;
  margin: 44px 0 0;
  padding: 26px 0 0;
  border-top: 1px solid var(--line-dark);
}

.page-contact .hero-facts li {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: rgba(245, 242, 233, 0.68);
}

.page-contact .hero-facts .num {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--data);
  letter-spacing: -0.02em;
}

/* ---------- 渠道条 ---------- */

.page-contact .contact-channels {
  background: var(--paper);
  padding: clamp(48px, 6vw, 88px) 0;
}

.page-contact .section-head .eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--clay);
}

.page-contact .section-title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: clamp(24px, 3.4vw, 40px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
}

.page-contact .section-head .lede,
.page-contact .section-head .prose {
  max-width: 64ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--stone);
}

.page-contact .contact-coop .section-head .lede {
  color: rgba(245, 242, 233, 0.75);
}

.page-contact .contact-coop .section-head .eyebrow {
  color: var(--moss);
}

.page-contact .contact-coop .section-title {
  color: var(--bone);
}

.page-contact .channel-bar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 36px;
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 30px 24px 26px;
  background: var(--bone);
  border: 1px solid var(--line-light);
  transition: border-color var(--base) var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  height: 3px;
  background: var(--turf);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--base) var(--ease);
}

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

.page-contact .channel-card:hover::before,
.page-contact .channel-card:focus-within::before {
  transform: scaleX(1);
}

.page-contact .channel-tag {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--stone);
}

.page-contact .channel-title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--night);
}

.page-contact .channel-value {
  margin: 0 0 18px;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.55;
  color: var(--night);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .channel-value.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-contact .channel-fit {
  margin: auto 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line-light);
  font-size: 14px;
  line-height: 1.75;
  color: var(--stone);
}

/* ---------- 路径配图 ---------- */

.page-contact .contact-figure {
  position: relative;
  margin: 0;
  background: var(--night);
  overflow: hidden;
}

.page-contact .contact-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  filter: saturate(0.5) contrast(1.06);
}

.page-contact .contact-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13, 27, 42, 0.62), rgba(22, 41, 61, 0.3));
  pointer-events: none;
}

.page-contact .contact-figure .media-caption {
  position: absolute;
  left: clamp(20px, 5vw, 72px);
  bottom: 20px;
  z-index: 2;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(245, 242, 233, 0.85);
}

/* ---------- 合作类型 ---------- */

.page-contact .contact-coop {
  background: var(--night);
  color: var(--bone);
  padding: clamp(48px, 6vw, 88px) 0;
}

.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 36px;
}

.page-contact .coop-grid .disclosure {
  background: var(--night-2);
  border: 1px solid var(--line-dark);
  transition: border-color var(--base) var(--ease);
}

.page-contact .coop-grid .disclosure:hover {
  border-color: rgba(242, 193, 78, 0.5);
}

.page-contact .disclosure-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  padding: 20px 22px;
  background: transparent;
  border: 0;
  color: var(--bone);
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  transition: color var(--base) var(--ease);
}

.page-contact .disclosure-trigger:hover {
  color: var(--data);
}

.page-contact .disclosure-icon {
  position: relative;
  flex: 0 0 14px;
  width: 14px;
  height: 14px;
}

.page-contact .disclosure-icon::before,
.page-contact .disclosure-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--data);
  transition: transform var(--base) var(--ease);
}

.page-contact .disclosure-icon::before {
  width: 14px;
  height: 1.5px;
  transform: translate(-50%, -50%);
}

.page-contact .disclosure-icon::after {
  width: 1.5px;
  height: 14px;
  transform: translate(-50%, -50%) scaleY(1);
}

.page-contact .disclosure-trigger[aria-expanded="true"] .disclosure-icon::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-contact .disclosure-body {
  padding: 4px 22px 22px;
  border-top: 1px solid var(--line-dark);
}

.page-contact .disclosure-body p {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(245, 242, 233, 0.78);
}

/* ---------- 留言区 ---------- */

.page-contact .contact-message {
  background: var(--bone);
  padding: clamp(48px, 6vw, 96px) 0;
}

.page-contact .message-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
}

.page-contact .contact-message .eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--clay);
}

.page-contact .contact-message .section-head .prose {
  max-width: 58ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .cform {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 36px;
}

.page-contact .cfield {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-contact .cfield-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--stone);
}

.page-contact .cfield input,
.page-contact .cfield textarea,
.page-contact .cfield select {
  box-sizing: border-box;
  width: 100%;
  padding: 12px 0;
  background-color: transparent;
  border: 0;
  border-bottom: 1px solid var(--line-light);
  border-radius: 0;
  font-family: var(--font-head);
  font-size: 16px;
  line-height: 1.6;
  color: var(--night);
  transition: border-color var(--base) var(--ease), box-shadow var(--base) var(--ease);
}

.page-contact .cfield textarea {
  resize: vertical;
  min-height: 120px;
}

.page-contact .cfield select {
  appearance: none;
  -webkit-appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--stone) 50%),
    linear-gradient(135deg, var(--stone) 50%, transparent 50%);
  background-position:
    calc(100% - 14px) calc(50% + 2px),
    calc(100% - 9px) calc(50% + 2px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

.page-contact .cfield input::placeholder,
.page-contact .cfield textarea::placeholder {
  color: rgba(92, 102, 109, 0.55);
}

.page-contact .cfield input:focus,
.page-contact .cfield textarea:focus,
.page-contact .cfield select:focus {
  outline: none;
  border-bottom-color: var(--data);
  box-shadow: 0 1px 0 0 var(--data);
}

.page-contact .contact-message .btn-block {
  margin-top: 34px;
}

.page-contact .cform-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}

.page-contact .cform-note a {
  color: var(--turf);
  text-decoration: none;
  border-bottom: 1px solid rgba(38, 107, 68, 0.4);
  transition: border-color var(--base) var(--ease);
}

.page-contact .cform-note a:hover {
  border-bottom-color: var(--turf);
}

.page-contact .message-figure {
  position: relative;
  margin: 0;
  background: var(--night);
  overflow: hidden;
}

.page-contact .message-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  filter: saturate(0.45) contrast(1.05);
}

.page-contact .message-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(13, 27, 42, 0.2), rgba(38, 107, 68, 0.5));
  pointer-events: none;
}

/* ---------- 纠错 ---------- */

.page-contact .contact-fix {
  background: var(--paper);
  padding: clamp(48px, 6vw, 88px) 0;
}

.page-contact .contact-fix .eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--ref);
}

.page-contact .fix-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 34px;
}

.page-contact .fix-card {
  padding: 28px 24px;
  background: var(--bone);
  border: 1px solid var(--line-light);
}

.page-contact .fix-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--night);
}

.page-contact .fix-card ul {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-contact .fix-card li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .fix-card li + li {
  margin-top: 10px;
}

.page-contact .fix-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 6px;
  border: 1px solid var(--turf);
  transform: rotate(45deg);
}

/* ---------- 站点信息 ---------- */

.page-contact .contact-meta {
  background: var(--bone);
  padding: clamp(44px, 5vw, 72px) 0 clamp(44px, 5vw, 72px);
}

.page-contact .meta-title {
  margin: 0 0 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--stone);
}

.page-contact .meta-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px 32px;
  margin: 0 0 40px;
}

.page-contact .meta-item dt {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--stone);
}

.page-contact .meta-item dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--night);
}

.page-contact .meta-rule {
  height: 1px;
  background: var(--line-light);
}

.page-contact .meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 28px;
  padding-top: 20px;
}

.page-contact .meta-site {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--stone);
}

.page-contact .meta-icp {
  margin: 0 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  color: var(--stone);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .hero-facts {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-contact .cform {
    grid-template-columns: 1fr 1fr;
    column-gap: 32px;
  }

  .page-contact .cfield--wide {
    grid-column: 1 / -1;
  }

  .page-contact .meta-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 820px) {
  .page-contact .fix-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-contact .channel-bar {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-contact .coop-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-contact .meta-list {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 960px) {
  .page-contact .message-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 64px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card::before,
  .page-contact .channel-card,
  .page-contact .disclosure,
  .page-contact .disclosure-icon::before,
  .page-contact .disclosure-icon::after,
  .page-contact .cfield input,
  .page-contact .cfield textarea,
  .page-contact .cfield select,
  .page-contact .breadcrumb a {
    transition-duration: 0.01ms;
  }
}