.page-contact {
  --contact-line: rgba(255, 122, 41, .5);
  --contact-panel: rgba(20, 50, 74, .55);
}

.page-contact img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: 30px 0 46px;
  background:
    radial-gradient(120% 90% at 88% 10%, rgba(30, 107, 79, .5), transparent 62%),
    var(--c-navy);
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: -12% -8% -12% 32%;
  background: linear-gradient(152deg, var(--c-grass), var(--c-navy-2));
  clip-path: polygon(28% 0, 100% 0, 100% 100%, 8% 100%);
  opacity: .92;
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  display: grid;
  gap: 30px;
}

.page-contact .contact-hero__text {
  display: grid;
  gap: 14px;
  max-width: 60ch;
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--c-muted);
}

.page-contact .breadcrumb a {
  color: var(--c-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-hero__lead {
  margin: 0;
  font-size: 16px;
  color: var(--c-ink);
  opacity: .94;
}

.page-contact .contact-hero__meta {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--c-cyan);
}

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

.page-contact .contact-hero__meta li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--c-orange);
  border-radius: 1px;
  flex: none;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.page-contact .contact-hero__media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-contact .contact-hero__media img {
  width: 100%;
  object-fit: cover;
  aspect-ratio: 2 / 1;
}

/* 三栏并置 */
.page-contact .contact-triad {
  display: grid;
  gap: 20px;
  margin-top: 28px;
}

.page-contact .triad-col {
  display: grid;
  gap: 14px;
  align-content: start;
  min-width: 0;
}

.page-contact .channel-card {
  display: grid;
  gap: 8px;
  padding: 16px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: var(--c-board);
}

.page-contact .channel-card--accent {
  border-color: var(--contact-line);
  background:
    linear-gradient(180deg, rgba(255, 122, 41, .12), rgba(20, 50, 74, 0) 44%),
    var(--c-board);
}

.page-contact .channel-card__label {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-muted);
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-num);
  font-size: 15px;
  line-height: 1.5;
  color: var(--c-ink);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__value--text {
  font-family: var(--font-body);
  font-size: 16px;
}

.page-contact .channel-card__use {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-contact .addr-grid {
  position: relative;
  height: 72px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background-image:
    linear-gradient(rgba(59, 224, 200, .14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 224, 200, .14) 1px, transparent 1px);
  background-size: 18px 18px;
}

.page-contact .addr-grid::after {
  content: "";
  position: absolute;
  left: 32%;
  top: 50%;
  width: 10px;
  height: 10px;
  background: var(--c-orange);
  border-radius: 2px;
  outline: 4px solid rgba(255, 122, 41, .18);
}

.page-contact .correction-steps {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .correction-steps li {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-contact .correction-steps li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .correction-steps__idx {
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--c-orange);
  padding-top: 2px;
}

.page-contact .correction-steps__t {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-ink);
}

.page-contact .correction-steps__d {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-contact .rhythm-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .rhythm-list li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-contact .rhythm-list__k {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-cyan);
}

.page-contact .hourband {
  display: grid;
  gap: 10px;
  margin: 4px 0 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(8, 24, 43, .6);
}

.page-contact .hourband__track {
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(59, 224, 200, .85), rgba(255, 122, 41, .92));
  opacity: .85;
}

.page-contact .hourband__ticks {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  font-family: var(--font-num);
  font-size: 11px;
  color: var(--c-muted);
}

.page-contact .hourband__ticks span {
  position: relative;
  padding-left: 1px;
}

.page-contact .hourband__ticks span::before {
  content: "";
  position: absolute;
  left: 0;
  top: -10px;
  width: 1px;
  height: 6px;
  background: var(--line-soft);
}

.page-contact .hourband__cap {
  margin: 0;
  font-family: var(--font-note);
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-muted);
}

.page-contact .rhythm-figure {
  margin: 4px 0 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-contact .rhythm-figure img {
  width: 100%;
  object-fit: cover;
  aspect-ratio: 5 / 3;
}

/* 引用与协作 */
.page-contact .citation {
  display: grid;
  gap: 24px;
}

.page-contact .cite-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .cite-list li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 16px;
  border-left: 2px solid var(--line);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--contact-panel);
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-ink);
}

.page-contact .cite-list .num {
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--c-cyan);
  flex: none;
}

.page-contact .citation__aside {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--c-board);
}

/* 归档与材料 */
.page-contact .data-card {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-contact .data-card .btn {
  justify-self: start;
}

.page-contact .archive-tail {
  margin: 24px 0 0;
  color: var(--c-muted);
}

.page-contact .archive-tail a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 224, 200, .4);
}

/* 收尾条 */
.page-contact .contact-cta {
  display: grid;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(118deg, rgba(15, 58, 44, .92), rgba(8, 24, 43, .6));
}

.page-contact .contact-cta__t {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-ink);
}

.page-contact .contact-cta__btns {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 平板及以上 */
@media (min-width: 760px) {
  .page-contact .contact-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-contact .contact-hero {
    padding: 42px 0 56px;
  }
}

/* 桌面三栏 */
@media (min-width: 960px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
    gap: 44px;
  }

  .page-contact .contact-hero__bg {
    inset: -14% -6% -14% 40%;
    clip-path: polygon(22% 0, 100% 0, 100% 100%, 0 100%);
  }

  .page-contact .contact-triad {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1.24fr) minmax(0, 1fr);
    gap: 24px;
  }

  .page-contact .citation {
    grid-template-columns: minmax(0, 3fr) minmax(0, 1.2fr);
    gap: 36px;
    align-items: start;
  }
}