.page-contact {
  --channel: var(--amber);
  --contact-gap: clamp(20px, 3vw, 40px);
  display: block;
  padding-bottom: clamp(64px, 8vw, 112px);
  color: var(--mist);
  font-family: var(--font-body);
}

.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  font-size: 13px;
  letter-spacing: .02em;
}

.page-contact .crumbs__item {
  color: var(--stone);
  text-decoration: none;
  transition: color .18s var(--ease);
}

.page-contact .crumbs__item:hover {
  color: var(--amber-soft);
}

.page-contact .crumbs__item--current {
  color: var(--mist);
}

.page-contact .crumbs__sep {
  color: var(--metal);
}

/* ---------- 首屏框景 ---------- */

.page-contact .contact-hero {
  position: relative;
  margin-top: 20px;
  padding: clamp(28px, 4vw, 56px) clamp(20px, 4vw, 48px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 100% at 88% 4%, rgba(224, 162, 60, .18), transparent 56%),
    radial-gradient(100% 90% at 2% 100%, rgba(61, 180, 155, .14), transparent 58%),
    linear-gradient(158deg, var(--ink-800) 0%, var(--ink-900) 74%);
  overflow: hidden;
}

.page-contact .contact-hero::before,
.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  width: 56px;
  height: 56px;
  border: 1px solid var(--line);
  pointer-events: none;
}

.page-contact .contact-hero::before {
  top: 16px;
  left: 16px;
  border-right: none;
  border-bottom: none;
  border-top-left-radius: var(--radius-md);
}

.page-contact .contact-hero::after {
  right: 16px;
  bottom: 16px;
  border-top: none;
  border-left: none;
  border-bottom-right-radius: var(--radius-md);
}

.page-contact .contact-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-contact .contact-hero__lead {
  min-width: 0;
}

.page-contact .contact-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: clamp(30px, 5.4vw, 58px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-contact .lede {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--stone);
}

.page-contact .hero-panel {
  margin: 0;
  padding: 18px 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: rgba(18, 41, 63, .72);
  backdrop-filter: blur(2px);
}

.page-contact .hero-panel__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-contact .hero-panel__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .hero-panel__row:first-child {
  padding-top: 0;
}

.page-contact .hero-panel__key {
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--stone);
}

.page-contact .hero-panel__val {
  margin: 0;
  flex: 1 1 200px;
  font-size: 14px;
  line-height: 1.6;
  text-align: right;
  color: var(--mist);
}

/* ---------- 章节通用 ---------- */

.page-contact .section {
  padding-top: clamp(56px, 7vw, 96px);
}

.page-contact .section__head {
  max-width: 74ch;
}

.page-contact .section-title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-contact .section-note {
  margin: 22px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--jade);
  font-size: 15px;
  line-height: 1.78;
  color: var(--stone);
}

/* ---------- 渠道卡片 ---------- */

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: 30px;
}

.page-contact .channel-card {
  --channel: var(--amber);
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  padding: 24px 22px 22px;
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--channel);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(42, 66, 88, .48), rgba(10, 26, 43, .78));
  transition: border-color .18s var(--ease), transform .18s var(--ease), box-shadow .18s var(--ease);
}

.page-contact .channel-card--jade {
  --channel: var(--jade);
}

.page-contact .channel-card--stone {
  --channel: var(--metal);
}

.page-contact .channel-card:hover {
  border-color: var(--channel);
  transform: translateY(-2px);
  box-shadow: var(--shadow-panel);
}

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

.page-contact .channel-card__title {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--mist);
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.7;
  color: var(--amber-soft);
  overflow-wrap: anywhere;
}

.page-contact .channel-card--jade .channel-card__value,
.page-contact .channel-card--stone .channel-card__value {
  color: var(--mist);
}

.page-contact .channel-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--stone);
}

.page-contact .channel-card__foot {
  margin-top: auto;
  padding-top: 12px;
}

.page-contact .copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 8px 16px;
  font: inherit;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--mist);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: border-color .18s var(--ease), color .18s var(--ease), background .18s var(--ease);
}

.page-contact .copy-btn:hover {
  border-color: var(--amber);
  color: var(--amber-soft);
  background: rgba(224, 162, 60, .08);
}

.page-contact .copy-btn:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

/* ---------- 图片容器 ---------- */

.page-contact .channel-map,
.page-contact .revision-figure {
  margin-top: 32px;
}

.page-contact .media__frame {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
}

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

.page-contact .media__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 时段刻度 ---------- */

.page-contact .hour-scale {
  display: flex;
  gap: 0;
  margin: 30px 0 0;
  padding: 26px 16px 14px;
  list-style: none;
  overflow-x: auto;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(18, 41, 63, .85), rgba(10, 26, 43, .85));
  scrollbar-width: thin;
}

.page-contact .hour-scale__tick {
  position: relative;
  flex: 1 0 56px;
  min-width: 56px;
  padding-top: 18px;
  border-top: 2px solid var(--line-soft);
  text-align: center;
}

.page-contact .hour-scale__tick::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 50%;
  width: 9px;
  height: 9px;
  margin-left: -4.5px;
  border: 1px solid var(--metal);
  border-radius: 50%;
  background: var(--ink-800);
}

.page-contact .hour-scale__tick:first-child {
  border-top-color: var(--amber);
}

.page-contact .hour-scale__tick:last-child {
  border-top-color: var(--cinnabar);
}

.page-contact .hour-scale__tick:first-child::before {
  border-color: var(--amber);
  background: var(--amber);
}

.page-contact .hour-scale__tick:last-child::before {
  border-color: var(--cinnabar);
  background: var(--cinnabar);
}

.page-contact .hour-scale__num {
  font-size: 11px;
  letter-spacing: .02em;
  color: var(--stone);
  white-space: nowrap;
}

.page-contact .hour-scale__tick:first-child .hour-scale__num,
.page-contact .hour-scale__tick:last-child .hour-scale__num {
  color: var(--mist);
}

.page-contact .hour-scale__tip {
  position: absolute;
  bottom: calc(100% + 12px);
  left: 50%;
  z-index: 3;
  width: 176px;
  padding: 8px 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
  text-align: left;
  background: var(--ink-900);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(4px);
  transition: opacity .18s var(--ease), transform .18s var(--ease), visibility .18s var(--ease);
}

.page-contact .hour-scale__tick:hover .hour-scale__tip,
.page-contact .hour-scale__tick:focus-visible .hour-scale__tip {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.page-contact .hour-scale__tick:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 4px;
}

/* ---------- 回复顺序 ---------- */

.page-contact .reply-flow {
  display: grid;
  gap: 1px;
  margin-top: 28px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: var(--line-soft);
  overflow: hidden;
}

.page-contact .reply-flow__row {
  display: flex;
  gap: 16px;
  padding: 20px 20px;
  background: var(--ink-900);
}

.page-contact .reply-flow__idx {
  flex: 0 0 auto;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--jade);
}

.page-contact .reply-flow__body {
  min-width: 0;
}

.page-contact .reply-flow__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--mist);
}

.page-contact .reply-flow__body p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--stone);
}

/* ---------- 校订流程条 ---------- */

.page-contact .flow-strip {
  counter-reset: flow;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .flow-strip__step {
  position: relative;
  padding: 22px 20px 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(61, 180, 155, .09), rgba(18, 41, 63, .7));
  counter-increment: flow;
}

.page-contact .flow-strip__step::before {
  content: counter(flow, decimal-leading-zero);
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--jade);
}

.page-contact .flow-strip__step::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -16px;
  width: 16px;
  height: 1px;
  background: var(--line);
  display: none;
}

.page-contact .flow-strip__step-title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--mist);
}

.page-contact .flow-strip__step p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--stone);
}

/* ---------- 来信清单 ---------- */

.page-contact .info-list {
  display: grid;
  gap: 1px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: var(--line-soft);
  overflow: hidden;
}

.page-contact .info-list__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 20px;
  background: var(--ink-900);
}

.page-contact .info-list__key {
  font-size: 14px;
  font-weight: 700;
  color: var(--amber-soft);
}

.page-contact .info-list__val {
  font-size: 15px;
  line-height: 1.78;
  color: var(--stone);
}

.page-contact .draft-box {
  margin-top: 26px;
  padding: 22px 20px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(61, 180, 155, .14), transparent 60%),
    linear-gradient(180deg, rgba(18, 41, 63, .9), rgba(10, 26, 43, .9));
}

.page-contact .draft-box__label {
  margin: 0;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--jade);
}

.page-contact .draft-box__text {
  margin: 14px 0 18px;
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.95;
  color: var(--mist);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  background: rgba(10, 26, 43, .72);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
}

/* ---------- 请求类型表 ---------- */

.page-contact .table-scroll {
  margin-top: 30px;
  overflow-x: auto;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
}

.page-contact .request-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-contact .request-table caption {
  caption-side: top;
  text-align: left;
}

.page-contact .request-table th,
.page-contact .request-table td {
  padding: 15px 18px;
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
}

.page-contact .request-table thead th {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--amber-soft);
  background: rgba(42, 66, 88, .6);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-contact .request-table tbody th {
  font-size: 15px;
  font-weight: 700;
  color: var(--mist);
  white-space: nowrap;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .request-table tbody td {
  color: var(--stone);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .request-table tbody tr:nth-child(even) th,
.page-contact .request-table tbody tr:nth-child(even) td {
  background: rgba(42, 66, 88, .3);
}

.page-contact .request-table tbody tr:last-child th,
.page-contact .request-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-contact .request-table tbody tr:nth-child(-n+2) td:last-child {
  color: var(--jade);
  white-space: nowrap;
}

/* ---------- 到访 ---------- */

.page-contact .visit-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: 30px;
}

.page-contact .visit-card {
  padding: 24px 22px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(42, 66, 88, .38), rgba(10, 26, 43, .7));
}

.page-contact .visit-card__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--amber);
}

.page-contact .visit-card__addr {
  margin: 14px 0 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.65;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-contact .visit-card__hint {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--stone);
}

/* ---------- 延伸入口 ---------- */

.page-contact .next-links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(56px, 7vw, 88px);
  padding-top: 28px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .next-links__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  text-decoration: none;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: rgba(18, 41, 63, .5);
  transition: border-color .18s var(--ease), background .18s var(--ease), transform .18s var(--ease);
}

.page-contact .next-links__item:hover {
  border-color: var(--amber);
  background: rgba(224, 162, 60, .08);
  transform: translateY(-2px);
}

.page-contact .next-links__item:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.page-contact .next-links__label {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--stone);
}

.page-contact .next-links__go {
  font-size: 17px;
  font-weight: 700;
  color: var(--mist);
}

/* ---------- 断点 ---------- */

@media (min-width: 640px) {
  .page-contact .info-list__item {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
    padding: 20px 22px;
  }

  .page-contact .next-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .flow-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }

  .page-contact .flow-strip__step::after {
    display: block;
  }

  .page-contact .flow-strip__step:last-child::after {
    display: none;
  }

  .page-contact .reply-flow__row {
    padding: 22px 26px;
  }

  .page-contact .visit-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: end;
    gap: 48px;
  }

  .page-contact .hero-panel__val {
    flex: 0 1 auto;
  }

  .page-contact .hour-scale {
    padding: 28px 22px 16px;
  }

  .page-contact .hour-scale__num {
    font-size: 12px;
  }
}

@media (max-width: 719px) {
  .page-contact .hour-scale__tip {
    width: 150px;
    font-size: 11px;
  }

  .page-contact .hour-scale__tick:hover .hour-scale__tip,
  .page-contact .hour-scale__tick:focus-visible .hour-scale__tip {
    opacity: 0;
    visibility: hidden;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .next-links__item,
  .page-contact .copy-btn,
  .page-contact .hour-scale__tip {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .next-links__item:hover {
    transform: none;
  }
}