.page-contact {
  --contact-rule: 1px solid var(--line);
  position: relative;
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding: clamp(112px, 14vw, 176px) 0 var(--space-lg);
  background: var(--ink);
  overflow: hidden;
}

.page-contact .contact-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .contact-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  opacity: .34;
  filter: saturate(.8);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(120% 88% at 10% 6%, rgba(47, 224, 208, .16), transparent 58%),
    linear-gradient(180deg, rgba(10, 20, 36, .76) 0%, rgba(10, 20, 36, .9) 58%, var(--ink) 100%);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 2;
}

.page-contact .contact-hero__copy {
  margin-top: var(--space-sm);
  max-width: 68ch;
}

.page-contact .contact-hero__copy .display {
  margin: 14px 0 0;
  max-width: 18ch;
}

.page-contact .contact-hero__copy .lead {
  margin-top: 20px;
  max-width: 58ch;
  color: var(--cyan-soft);
}

.page-contact .contact-jump {
  list-style: none;
  margin: var(--space-sm) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .contact-jump a {
  display: inline-block;
  padding: 9px 15px;
  border: 1px solid var(--line);
  color: var(--cyan-soft);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-decoration: none;
  transition: border-color .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
}

.page-contact .contact-jump a:hover,
.page-contact .contact-jump a:focus-visible {
  border-color: var(--cyan);
  background: var(--cyan);
  color: var(--ink);
}

/* ---------- 框景联系面板 ---------- */

.page-contact .contact-frame {
  position: relative;
  padding: clamp(24px, 3.6vw, 52px);
  background: linear-gradient(180deg, var(--panel) 0%, rgba(18, 32, 58, .62) 100%);
}

.page-contact .contact-frame__head {
  max-width: 72ch;
  padding-bottom: clamp(20px, 2.6vw, 32px);
  border-bottom: var(--contact-rule);
  margin-bottom: clamp(24px, 3vw, 40px);
}

.page-contact .contact-frame__intro {
  margin: 14px 0 0;
  color: var(--muted);
  max-width: 62ch;
}

.page-contact .contact-frame__grid {
  display: grid;
  gap: var(--space-sm);
}

.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .channel-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 22px 0;
  border-top: var(--contact-rule);
  transition: background .2s var(--ease);
}

.page-contact .channel-item:last-child {
  border-bottom: var(--contact-rule);
}

.page-contact .channel-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  color: var(--cyan);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-contact .channel-icon svg {
  width: 20px;
  height: 20px;
  display: block;
}

.page-contact .channel-item:hover .channel-icon {
  border-color: var(--cyan);
  color: var(--cyan-soft);
}

.page-contact .channel-label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .channel-value {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(.95rem, 1.3vw, 1.14rem);
  letter-spacing: -.01em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .channel-note {
  margin: 0;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--muted);
  max-width: 52ch;
}

/* ---------- 准备清单 ---------- */

.page-contact .prep-intro {
  margin: 14px 0 22px;
  color: var(--muted);
  max-width: 48ch;
}

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

.page-contact .prep-item label {
  position: relative;
  display: grid;
  grid-template-columns: 20px 32px minmax(0, 1fr);
  align-items: start;
  gap: 12px;
  padding: 13px 15px;
  border: 1px solid var(--line);
  background: rgba(10, 20, 36, .5);
  cursor: pointer;
  transition: border-color .2s var(--ease), transform .2s var(--ease), background .2s var(--ease);
}

.page-contact .prep-item label:hover {
  border-color: var(--cyan);
  transform: translateX(3px);
  background: rgba(10, 20, 36, .78);
}

.page-contact .prep-item input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  margin: 0;
}

.page-contact .prep-box {
  display: block;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: 1px solid var(--line);
  background: var(--ink);
  position: relative;
  transition: background .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .prep-item input:focus-visible + .prep-box {
  outline: var(--ring);
  outline-offset: 3px;
}

.page-contact .prep-item input:checked + .prep-box {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .prep-item input:checked + .prep-box::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(40deg);
}

.page-contact .prep-item input:checked ~ .prep-text {
  color: var(--cyan-soft);
}

.page-contact .prep-num {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-contact .prep-text {
  font-size: .95rem;
  line-height: 1.62;
  color: var(--paper);
  transition: color .18s var(--ease);
}

.page-contact .prep-foot {
  margin: 22px 0 0;
  padding-left: 1px;
  font-size: .91rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .prep-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 224, 208, .45);
}

.page-contact .prep-foot a:hover {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* ---------- 可受理事项 ---------- */

.page-contact .matters-body {
  margin-top: var(--space-md);
  display: grid;
  gap: var(--space-sm);
}

.page-contact .matters-media {
  margin: 0;
}

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

.page-contact .matter-grid {
  display: grid;
  gap: clamp(16px, 2vw, 22px);
}

.page-contact .matter-card {
  position: relative;
  display: grid;
  align-content: start;
  gap: 13px;
  padding: 26px 22px 24px 26px;
  background: var(--panel);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform .22s var(--ease), border-color .22s var(--ease);
}

.page-contact .matter-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--cyan);
}

.page-contact .matter-card--cite::before {
  background: linear-gradient(180deg, var(--cyan), var(--cyan-soft));
}

.page-contact .matter-card--embed::before {
  background: linear-gradient(180deg, var(--orange), var(--warm));
}

.page-contact .matter-card--fix::before {
  background: linear-gradient(180deg, var(--cool), var(--cyan));
}

.page-contact .matter-card--press::before {
  background: linear-gradient(180deg, var(--warm), var(--orange));
}

.page-contact .matter-card:hover {
  transform: translateY(-4px);
  border-color: rgba(47, 224, 208, .5);
}

.page-contact .matter-index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .22em;
  color: var(--muted);
}

.page-contact .matter-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.25rem, 1.9vw, 1.55rem);
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .matter-desc {
  margin: 0;
  font-size: .94rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .matter-needs {
  list-style: none;
  margin: 4px 0 0;
  padding: 15px 0 0;
  border-top: 1px dashed var(--line);
  display: grid;
  gap: 9px;
}

.page-contact .matter-needs li {
  position: relative;
  padding-left: 18px;
  font-size: .89rem;
  line-height: 1.62;
  color: var(--paper);
}

.page-contact .matter-needs li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 回复节奏 ---------- */

.page-contact .timing-strip {
  margin-top: var(--space-md);
  border-top: var(--contact-rule);
}

.page-contact .timing-row {
  display: grid;
  gap: 10px;
  padding: 26px 0;
  border-bottom: var(--contact-rule);
}

.page-contact .timing-num {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.9rem, 3.4vw, 2.9rem);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--orange);
}

.page-contact .timing-num small {
  display: block;
  margin-top: 9px;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: .67rem;
  letter-spacing: .2em;
  color: var(--muted);
}

.page-contact .timing-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1.2rem;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .timing-desc {
  margin: 0;
  max-width: 64ch;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 通信与到访 ---------- */

.page-contact .visit-split {
  display: grid;
  gap: var(--space-sm);
}

.page-contact .visit-lead {
  margin: 16px 0 0;
  max-width: 58ch;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .visit-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .visit-list li {
  position: relative;
  padding-left: 20px;
  font-size: .93rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .visit-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 10px;
  height: 1px;
  background: var(--orange);
}

.page-contact .visit-card {
  padding: 28px 24px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  background: linear-gradient(160deg, rgba(30, 51, 87, .55), rgba(10, 20, 36, .9));
}

.page-contact .visit-card__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .visit-card__text {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--paper);
}

.page-contact .visit-card__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 224, 208, .45);
}

.page-contact .visit-card__text a:hover {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

.page-contact .visit-card__actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-contact .matter-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-contact .timing-row {
    grid-template-columns: minmax(0, 190px) minmax(0, 1fr);
    gap: clamp(24px, 5vw, 68px);
    align-items: baseline;
    padding: 34px 0;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-frame__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 1fr);
    gap: clamp(30px, 4vw, 64px);
  }

  .page-contact .prep-col {
    padding-left: clamp(24px, 3vw, 46px);
    border-left: var(--contact-rule);
  }

  .page-contact .visit-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, .88fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-contact .matters-body {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }

  .page-contact .matters-media {
    position: sticky;
    top: 132px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .matter-card,
  .page-contact .prep-item label,
  .page-contact .contact-jump a {
    transition: none;
  }

  .page-contact .matter-card:hover,
  .page-contact .prep-item label:hover {
    transform: none;
  }
}