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

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(26px, 6vw, 62px));
  padding-bottom: clamp(30px, 5vw, 56px);
  background:
    radial-gradient(120% 90% at 82% 0%, rgba(201, 255, 61, 0.085), transparent 58%),
    radial-gradient(90% 70% at 8% 18%, rgba(94, 216, 255, 0.06), transparent 62%),
    linear-gradient(180deg, var(--ink), var(--turf) 78%);
  border-bottom: 1px solid var(--edge);
}

.page-contact .contact-hero > .container {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero .breadcrumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .contact-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-cond);
  font-size: clamp(34px, 5.4vw, 74px);
  line-height: 1.02;
  font-weight: 600;
  letter-spacing: 0.05em;
  max-width: 18ch;
}

.page-contact .contact-lead {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  max-width: 44ch;
  font-family: var(--font-sans);
  font-size: clamp(16px, 1.25vw, 19px);
  line-height: 1.78;
  color: var(--text-soft);
}

.page-contact .hero-meta {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--acid);
  text-transform: uppercase;
}

.page-contact .hero-media {
  margin: clamp(26px, 4vw, 44px) 0 0;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--edge);
  border-radius: 3px 30px 3px 3px;
  overflow: hidden;
  background: var(--ink);
}

.page-contact .hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.06);
}

/* ---------- 联络渠道 ---------- */
.page-contact .channels {
  background: var(--turf);
}

.page-contact .channel-list {
  list-style: none;
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(12px, 1.6vw, 18px);
}

.page-contact .channel-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 28px) clamp(18px, 2.4vw, 30px);
  background: linear-gradient(180deg, rgba(20, 48, 37, 0.9), rgba(11, 18, 14, 0.72));
  border-left: 3px solid var(--acid);
  border-radius: 0 16px 0 0;
  transition: transform 0.22s ease, border-color 0.22s ease;
}

.page-contact .channel-item:hover {
  transform: translateY(-4px);
  border-left-color: var(--blue);
}

.page-contact .channel-key {
  font-family: var(--font-cond);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-contact .channel-value {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.5vw, 19px);
  line-height: 1.45;
  color: var(--acid);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .channel-value--addr {
  color: var(--white);
  font-size: clamp(15px, 1.4vw, 18px);
}

.page-contact .channel-scope {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-soft);
  max-width: 40ch;
}

.page-contact .channel-note {
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  padding-left: 16px;
  border-left: 1px solid var(--edge);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.75;
  color: var(--moss);
  max-width: 62ch;
}

/* ---------- 事项分流 ---------- */
.page-contact .dispatch {
  background: linear-gradient(180deg, var(--turf), var(--ink));
  border-top: 1px solid var(--edge);
}

.page-contact .dispatch-grid {
  display: grid;
  gap: clamp(20px, 2.6vw, 32px);
  margin-top: clamp(24px, 3.4vw, 40px);
}

.page-contact .dispatch-col {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .dispatch-item {
  background: var(--panel);
  border: 1px solid var(--edge);
  border-radius: 2px 22px 2px 2px;
  overflow: hidden;
  transition: border-color 0.22s ease, transform 0.22s ease;
}

.page-contact .dispatch-item:hover {
  border-color: rgba(201, 255, 61, 0.45);
}

.page-contact .dispatch-item[open] {
  border-color: rgba(201, 255, 61, 0.6);
}

.page-contact .dispatch-item .fold-summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px 14px;
  padding: clamp(16px, 2vw, 22px) clamp(16px, 2vw, 24px);
  cursor: pointer;
  list-style: none;
}

.page-contact .dispatch-item .fold-summary::-webkit-details-marker {
  display: none;
}

.page-contact .dispatch-item .fold-summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--acid);
  transition: transform 0.22s ease;
}

.page-contact .dispatch-item[open] .fold-summary::after {
  content: "−";
  transform: rotate(180deg);
}

.page-contact .dispatch-num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1;
  color: var(--acid);
}

.page-contact .dispatch-title {
  font-family: var(--font-cond);
  font-size: clamp(18px, 2vw, 23px);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--white);
}

.page-contact .dispatch-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--moss);
  white-space: nowrap;
}

.page-contact .dispatch-item .fold-body {
  padding: 0 clamp(16px, 2vw, 24px) clamp(18px, 2.2vw, 26px);
}

.page-contact .dispatch-item .fold-body > p {
  margin: 0 0 14px;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-soft);
  max-width: 52ch;
}

.page-contact .point-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .point-list li {
  position: relative;
  padding-left: 22px;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.72;
  color: var(--white);
  max-width: 54ch;
}

.page-contact .point-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 10px;
  height: 2px;
  background: var(--acid);
}

.page-contact .fold-foot {
  margin: 14px 0 0;
  font-family: var(--font-sans);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--moss);
  max-width: 52ch;
}

/* ---------- 值班面板 ---------- */
.page-contact .duty-panel {
  position: relative;
  padding: clamp(22px, 2.8vw, 32px);
  background: var(--ink);
  border: 1px solid var(--edge);
  border-top: 3px solid var(--blue);
  border-radius: 0 0 0 30px;
}

.page-contact .duty-label {
  margin: 0;
  font-family: var(--font-cond);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue);
}

.page-contact .duty-title {
  margin: 10px 0 0;
  font-family: var(--font-cond);
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--white);
}

.page-contact .duty-steps {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: duty;
}

.page-contact .duty-steps li {
  position: relative;
  padding-left: 34px;
  font-family: var(--font-sans);
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-soft);
}

.page-contact .duty-step-num {
  position: absolute;
  left: 0;
  top: 1px;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink);
  background: var(--acid);
  border-radius: 50%;
}

.page-contact .duty-foot {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px dashed var(--edge);
}

.page-contact .duty-foot p {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--moss);
}

/* ---------- 响应与归档 ---------- */
.page-contact .response {
  background: var(--turf);
  border-top: 1px solid var(--edge);
}

.page-contact .response-grid {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
}

.page-contact .response-main h2 {
  margin: 12px 0 0;
}

.page-contact .response-main p {
  margin: 16px 0 0;
  font-family: var(--font-sans);
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--text-soft);
  max-width: 54ch;
}

.page-contact .response-side {
  padding: clamp(18px, 2.4vw, 26px);
  background: linear-gradient(140deg, rgba(20, 48, 37, 0.92), rgba(6, 10, 8, 0.9));
  border: 1px solid var(--edge);
  border-radius: 2px 2px 22px 2px;
}

.page-contact .response-side-label {
  margin: 0 0 14px;
  font-family: var(--font-cond);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--acid);
}

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

.page-contact .side-links .link {
  font-family: var(--font-sans);
  font-size: 14.5px;
  line-height: 1.6;
}

.page-contact .approach-media {
  margin: clamp(28px, 4vw, 46px) 0 0;
  border: 1px solid var(--edge);
  border-radius: 24px 2px 2px 2px;
  overflow: hidden;
  background: var(--ink);
}

.page-contact .approach-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.8) contrast(1.05);
}

.page-contact .approach-media .media-caption {
  margin: 0;
  padding: 14px clamp(16px, 2vw, 22px);
  background: var(--ink);
  border-top: 1px solid var(--edge);
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.65;
  color: var(--moss);
}

/* ---------- 备案窄条 ---------- */
.page-contact .filing {
  background: var(--ink);
  border-top: 1px solid var(--edge);
}

.page-contact .filing-inner {
  display: grid;
  gap: 14px;
  padding: clamp(22px, 3vw, 32px) 0;
}

.page-contact .filing-block {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 18px;
}

.page-contact .filing-label {
  margin: 0;
  font-family: var(--font-cond);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-contact .filing-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.5vw, 18px);
  letter-spacing: 0.06em;
  color: var(--acid);
}

.page-contact .filing-note {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.72;
  color: var(--moss);
  max-width: 64ch;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .channel-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .response-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-contact .filing-inner {
    grid-template-columns: minmax(0, auto) minmax(0, 1fr);
    align-items: center;
    gap: 12px 40px;
  }
}

@media (min-width: 960px) {
  .page-contact .dispatch-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-contact .duty-panel {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

@media (max-width: 719px) {
  .page-contact .dispatch-item .fold-summary {
    grid-template-columns: auto minmax(0, 1fr) auto;
  }

  .page-contact .dispatch-tag {
    grid-column: 2 / -1;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-item,
  .page-contact .dispatch-item,
  .page-contact .dispatch-item .fold-summary::after {
    transition: none;
  }

  .page-contact .channel-item:hover {
    transform: none;
  }
}