.page-contact {
  --pc-card-bg: rgba(15, 42, 34, .62);
  --pc-line-soft: rgba(58, 74, 67, .5);
  --pc-panel-pad: clamp(20px, 3vw, 34px);
  display: block;
  padding-top: var(--header-h);
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact .container {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding-left: clamp(16px, 3vw, 40px);
  padding-right: clamp(16px, 3vw, 40px);
  box-sizing: border-box;
}

.page-contact .breadcrumb {
  padding-top: clamp(18px, 2.6vw, 30px);
}

.page-contact .section-index {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--lime);
}

.page-contact .section-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 0;
}

.page-contact .prose {
  max-width: var(--read);
  font-size: 17px;
  line-height: 1.75;
  color: var(--text);
  margin: 16px 0 0;
}

.page-contact .prose a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, .4);
}

.page-contact .annotation {
  font-size: 12.5px;
  font-style: italic;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
}

.page-contact .section__head {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-contact .section__note {
  max-width: 42em;
  font-size: 14px;
  font-style: italic;
  color: var(--muted);
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(18px, 3vw, 34px) 0 clamp(26px, 4vw, 48px);
  background:
    linear-gradient(180deg, rgba(15, 42, 34, .85) 0%, rgba(11, 14, 13, .2) 70%),
    var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4.4vw, 50px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 10px 0 0;
  max-width: 18em;
}

.page-contact .contact-hero .lede {
  max-width: var(--read);
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.75;
  color: var(--text);
  margin: 16px 0 0;
}

.page-contact .contact-hero__side {
  align-self: end;
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cobalt);
  background: rgba(20, 58, 47, .28);
}

.page-contact .contact-hero__side-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-contact .contact-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

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

/* ---------- 渠道卡 ---------- */
.page-contact .contact-channels {
  padding: clamp(34px, 5vw, 62px) 0 clamp(30px, 4.4vw, 56px);
}

.page-contact .contact-channels__head {
  grid-template-columns: 1fr;
}

.page-contact .channel-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 32px 20px 28px;
  background: var(--pc-card-bg);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--line);
}

.page-contact .channel-card--mail::before { background: var(--lime); }
.page-contact .channel-card--phone::before { background: var(--gold); }
.page-contact .channel-card--addr::before { background: var(--cobalt); }

.page-contact .channel-card__coord {
  position: absolute;
  top: 12px;
  right: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-contact .channel-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: .08em;
  color: var(--muted);
  font-weight: 600;
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.5vw, 19px);
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .channel-card--phone .channel-card__value {
  color: var(--gold);
}

.page-contact .channel-card__value--addr {
  font-family: var(--font-body);
  font-size: 15.5px;
  letter-spacing: 0;
  color: var(--text);
}

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

.page-contact .contact-note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--lime);
  font-size: 13px;
  font-style: italic;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 索引优先 ---------- */
.page-contact .contact-route {
  padding: clamp(34px, 5vw, 64px) 0;
  border-top: 1px solid var(--line);
}

.page-contact .route-grid {
  display: grid;
  gap: clamp(26px, 4vw, 56px);
}

.page-contact .route-chain {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .route-chain__item {
  position: relative;
  padding: 18px 0 18px 46px;
  border-bottom: 1px solid var(--line);
}

.page-contact .route-chain__num {
  position: absolute;
  left: 0;
  top: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--lime);
}

.page-contact .route-chain__name {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--paper);
}

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

/* ---------- 提交模板 ---------- */
.page-contact .contact-templates {
  padding: clamp(34px, 5vw, 64px) 0;
  border-top: 1px solid var(--line);
  background: rgba(15, 42, 34, .35);
}

.page-contact .template-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.2vw, 24px);
}

.page-contact .template-card {
  position: relative;
  padding: var(--pc-panel-pad);
  background: var(--ink);
  border: 1px solid var(--line);
  border-top-width: 2px;
}

.page-contact .template-card--cobalt { border-top-color: var(--cobalt); }
.page-contact .template-card--clay { border-top-color: var(--clay); }
.page-contact .template-card--gold { border-top-color: var(--gold); }
.page-contact .template-card--orange { border-top-color: var(--orange); }

.page-contact .template-card__title {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .template-card__note {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

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

.page-contact .field-list li {
  position: relative;
  padding: 9px 0 9px 18px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text);
  border-top: 1px dashed var(--pc-line-soft);
}

.page-contact .field-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 6px;
  height: 6px;
  background: var(--lime);
  opacity: .75;
}

/* ---------- 覆盖区域 ---------- */
.page-contact .contact-coverage {
  padding: clamp(34px, 5vw, 64px) 0;
  border-top: 1px solid var(--line);
}

.page-contact .coverage-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--pitch);
}

.page-contact .coverage-panel__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .16;
  filter: grayscale(1) contrast(1.15);
  display: block;
}

.page-contact .coverage-panel__body {
  position: relative;
  padding: clamp(24px, 4vw, 56px);
}

.page-contact .rhythm-list {
  margin: clamp(22px, 3vw, 34px) 0 0;
  border-top: 1px solid var(--line);
}

.page-contact .rhythm-list__row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .rhythm-list dt {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-contact .rhythm-list dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
  max-width: 48em;
}

/* ---------- 更正流程 ---------- */
.page-contact .contact-flow {
  padding: clamp(34px, 5vw, 64px) 0;
  border-top: 1px solid var(--line);
}

.page-contact .flow-grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

.page-contact .flow-list {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0 0 0 20px;
  border-left: 1px solid var(--line);
}

.page-contact .flow-list__item {
  position: relative;
}

.page-contact .flow-list__item .panel {
  border-bottom: 1px solid var(--line);
}

.page-contact .panel__summary {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 17px 8px 17px 4px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .panel__summary::-webkit-details-marker {
  display: none;
}

.page-contact .flow-list__marker {
  position: absolute;
  left: -24px;
  top: 22px;
  width: 8px;
  height: 8px;
  background: var(--lime);
}

.page-contact .flow-list__step {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
}

.page-contact .flow-list__title {
  flex: 1;
}

.page-contact .flow-list__hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted);
}

.page-contact .panel[open] .flow-list__hint {
  color: var(--lime);
}

.page-contact .panel__body {
  padding: 0 8px 20px 4px;
}

.page-contact .panel__body p {
  margin: 0;
  max-width: var(--read);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text);
}

.page-contact .panel__body a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, .4);
}

.page-contact .flow-figure {
  margin: 0;
}

.page-contact .flow-figure .image-frame {
  position: relative;
}

.page-contact .flow-figure img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 备案与声明 ---------- */
.page-contact .contact-record {
  padding: clamp(34px, 5vw, 64px) 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-record .section-index,
.page-contact .contact-record .section-title {
  color: var(--pitch);
}

.page-contact .contact-record .section-index {
  color: var(--orange);
}

.page-contact .record-grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

.page-contact .record-prose {
  max-width: var(--read);
  font-size: 16.5px;
  line-height: 1.8;
  color: #17241f;
  margin: 16px 0 0;
}

.page-contact .record-icp {
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2vw, 22px);
  letter-spacing: .04em;
  color: #17241f;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(23, 36, 31, .25);
  display: inline-block;
}

.page-contact .record-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-contact .contact-record .btn--ghost {
  color: #17241f;
  border-color: rgba(23, 36, 31, .35);
}

.page-contact .record-grid__side {
  padding: var(--pc-panel-pad);
  background: rgba(23, 36, 31, .06);
  border: 1px solid rgba(23, 36, 31, .18);
  border-left: 2px solid var(--gold);
}

.page-contact .record-side__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: .08em;
  color: #17241f;
}

.page-contact .record-side__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
}

.page-contact .record-side__list li {
  position: relative;
  padding: 9px 0 9px 16px;
  font-size: 14px;
  line-height: 1.65;
  color: #24352e;
  border-top: 1px dashed rgba(23, 36, 31, .2);
}

.page-contact .record-side__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 5px;
  height: 5px;
  background: var(--gold);
}

.page-contact .contact-record .annotation {
  color: rgba(23, 36, 31, .62);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .rhythm-list__row {
    grid-template-columns: minmax(120px, 180px) minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

  .page-contact .channel-list {
    grid-template-columns: 1.05fr 1.2fr .9fr;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }

  .page-contact .contact-channels__head {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .page-contact .route-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 6fr);
    align-items: start;
  }

  .page-contact .template-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-contact .template-card:nth-child(1) { grid-column: 1 / 4; }
  .page-contact .template-card:nth-child(2) { grid-column: 4 / 7; }
  .page-contact .template-card:nth-child(3) { grid-column: 1 / 3; }
  .page-contact .template-card:nth-child(4) { grid-column: 3 / 7; }

  .page-contact .flow-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .record-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }
}

@media (min-width: 1120px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  }

  .page-contact .channel-card {
    padding: 36px 26px 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}