.page-contact {
  --ct-pad: clamp(18px, 3.4vw, 30px);
  --ct-hair: rgba(31, 92, 74, 0.42);
  --ct-hair-soft: rgba(31, 92, 74, 0.24);
}

/* 首屏 */
.page-contact .ct-hero {
  position: relative;
  padding: clamp(26px, 5vw, 54px) 0 clamp(22px, 4vw, 40px);
  background:
    linear-gradient(180deg, rgba(19, 42, 51, 0.7), rgba(7, 27, 22, 0) 68%),
    repeating-linear-gradient(90deg, var(--ct-hair-soft) 0 1px, transparent 1px 84px),
    repeating-linear-gradient(0deg, var(--ct-hair-soft) 0 1px, transparent 1px 84px);
  border-bottom: 2px solid var(--ky-line);
}

.page-contact .ct-hero__inner {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-contact .ct-hero__copy {
  max-width: 62ch;
}

.page-contact .ct-hero__figure {
  margin: 0;
  border: 1px solid var(--ky-line);
  background: var(--ky-stand);
  padding: 6px;
  border-radius: var(--ky-radius);
}

.page-contact .ct-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--ky-radius);
}

.page-contact .ct-hero__facts {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-hero__fact {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid var(--ct-hair);
  font-size: 15px;
  color: var(--ky-chalk);
}

.page-contact .ct-fact__num {
  color: var(--ky-signal);
  font-size: 17px;
  letter-spacing: 0.02em;
  flex: none;
}

.page-contact .ct-fact__txt {
  color: var(--ky-mute);
  font-size: 14px;
}

/* 左右分置 */
.page-contact .ct-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 44px);
}

.page-contact .ct-split__main {
  min-width: 0;
}

.page-contact .ct-split__aside {
  min-width: 0;
  display: grid;
  gap: 18px;
  align-content: start;
}

/* 标签页 */
.page-contact .ct-tabs {
  margin-top: clamp(20px, 3vw, 28px);
}

.page-contact .ct-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-contact .ky-tabs__tab {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 15px;
  border: 1px solid var(--ky-line);
  border-radius: var(--ky-radius);
  background: transparent;
  color: var(--ky-chalk);
  font: inherit;
  font-size: 14px;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: border-color 260ms var(--ky-ease), color 260ms var(--ky-ease), background-color 260ms var(--ky-ease);
}

.page-contact .ky-tabs__tab:hover,
.page-contact .ky-tabs__tab:focus-visible {
  border-color: var(--ky-signal);
  color: var(--ky-signal);
}

.page-contact .ky-tabs__tab.is-active,
.page-contact .ky-tabs__tab[aria-selected="true"] {
  border-color: var(--ky-signal);
  background: var(--ky-signal-soft);
  color: var(--ky-signal);
}

.page-contact .ct-tab__no {
  font-size: 12px;
  color: var(--ky-amber);
  letter-spacing: 0.08em;
}

.page-contact .ky-tabs__tab.is-active .ct-tab__no,
.page-contact .ky-tabs__tab[aria-selected="true"] .ct-tab__no {
  color: var(--ky-amber);
}

.page-contact .ky-tabs__panel {
  position: relative;
  display: block;
  padding: var(--ct-pad);
  border: 1px solid var(--ky-line);
  border-left: 3px solid var(--ky-amber);
  border-radius: var(--ky-radius);
  background: var(--ky-stand);
}

.ky-js .page-contact .ky-tabs__panel:not(.is-active) {
  display: none;
}

.page-contact .ct-panel__title {
  margin: 0;
  font-family: var(--ky-font-display);
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ky-chalk);
}

.page-contact .ct-panel__lead {
  margin: 12px 0 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ky-mute);
}

.page-contact .ct-checklist {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-contact .ct-checklist li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ky-chalk);
}

.page-contact .ct-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 13px;
  height: 1px;
  background: var(--ky-amber);
}

.page-contact .ct-panel__foot {
  margin: 22px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--ct-hair);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ky-mute);
}

.page-contact .ct-panel__foot .ky-num {
  color: var(--ky-signal);
  word-break: break-all;
}

/* 联系方式卡 */
.page-contact .ct-contact-card {
  position: relative;
  padding: var(--ct-pad);
  border: 1px solid var(--ky-line);
  border-top: 3px solid var(--ky-amber);
  border-radius: var(--ky-radius);
  background: var(--ky-stand);
}

.page-contact .ct-contact-card .ky-tag {
  display: inline-block;
  margin-bottom: 10px;
}

.page-contact .ct-contact__list {
  margin: 16px 0 0;
  display: grid;
}

.page-contact .ct-contact__row {
  padding: 13px 0;
  border-bottom: 1px dashed var(--ct-hair-soft);
}

.page-contact .ct-contact__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .ct-contact__key {
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ky-mute);
}

.page-contact .ct-contact__val {
  margin: 5px 0 0;
  font-size: 15px;
  line-height: 1.5;
  color: var(--ky-chalk);
  word-break: break-word;
}

.page-contact .ct-contact__val.ky-num {
  font-family: var(--ky-font-mono);
  letter-spacing: 0.01em;
}

.page-contact .ct-contact__use {
  margin: 5px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ky-mute);
}

.page-contact .ct-note-card {
  padding: 18px 20px;
  border: 1px solid var(--ky-line);
  border-radius: var(--ky-radius);
  background: var(--ky-card, var(--ky-stand));
  background: linear-gradient(180deg, rgba(69, 240, 196, 0.08), rgba(69, 240, 196, 0));
  border-color: var(--ky-line-soft);
}

.page-contact .ct-note-card__title {
  margin: 0 0 8px;
  font-family: var(--ky-font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ky-signal);
}

.page-contact .ct-note-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ky-mute);
}

/* 回复节奏 */
.page-contact .ct-flow {
  position: relative;
  overflow: hidden;
  border-top: 2px solid var(--ky-line);
  border-bottom: 2px solid var(--ky-line);
  background: var(--ky-night);
}

.page-contact .ct-flow__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.2;
  pointer-events: none;
}

.page-contact .ct-flow__inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(32px, 5vw, 58px);
  padding-bottom: clamp(32px, 5vw, 58px);
}

.page-contact .ct-timeline {
  list-style: none;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0 0 0 22px;
  border-left: 2px solid var(--ky-line);
}

.page-contact .ct-timeline__item {
  position: relative;
}

.page-contact .ct-timeline__item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 22px;
  width: 12px;
  height: 12px;
  border: 2px solid var(--ky-signal);
  border-radius: 50%;
  background: var(--ky-field);
}

.page-contact .ct-node {
  border-bottom: 1px solid var(--ct-hair-soft);
}

.page-contact .ct-node__summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 4px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .ct-node__no {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ky-amber);
  flex: none;
}

.page-contact .ct-node__label {
  font-family: var(--ky-font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ky-chalk);
}

.page-contact .ct-node__time {
  margin-left: auto;
  font-size: 12px;
  color: var(--ky-mute);
  white-space: nowrap;
}

.page-contact .ct-node[open] .ct-node__label {
  color: var(--ky-signal);
}

.page-contact .ct-node__body {
  padding: 2px 4px 20px;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ky-mute);
}

.page-contact .ct-rush {
  margin-top: clamp(24px, 4vw, 34px);
  padding: 20px var(--ct-pad);
  border: 1px solid var(--ky-line);
  border-left: 3px solid var(--ky-alert);
  border-radius: var(--ky-radius);
  background: rgba(7, 27, 22, 0.62);
}

.page-contact .ct-rush__title {
  margin: 0 0 10px;
  font-family: var(--ky-font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ky-chalk);
}

.page-contact .ct-rush p {
  margin: 0;
  max-width: 70ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ky-mute);
}

/* 常见来信表 */
.page-contact .ct-table {
  width: 100%;
  min-width: 620px;
  font-size: 14px;
}

.page-contact .ct-table__cap {
  caption-side: top;
  text-align: left;
  padding-bottom: 12px;
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ky-mute);
}

.page-contact .ct-table th[scope="row"] {
  font-weight: 600;
  color: var(--ky-chalk);
  white-space: nowrap;
}

.page-contact .ct-table td {
  color: var(--ky-mute);
}

.page-contact .ct-table tbody tr[data-highlight] th[scope="row"] {
  color: var(--ky-signal);
}

/* 下一步 */
.page-contact .ct-next__grid {
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .ct-next__cell {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px var(--ct-pad);
  border: 1px solid var(--ky-line);
  border-radius: var(--ky-radius);
  background: linear-gradient(180deg, rgba(14, 51, 42, 0.86), rgba(7, 27, 22, 0.86));
}

.page-contact .ct-next__label {
  margin: 0;
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ky-amber);
}

.page-contact .ct-next__text {
  margin: 0;
  flex: 1;
  font-size: 15px;
  line-height: 1.76;
  color: var(--ky-mute);
}

.page-contact .ct-next__cell .ky-btn {
  align-self: flex-start;
}

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

  .page-contact .ct-hero__fact {
    flex-direction: column;
    gap: 6px;
    padding: 14px 18px 0 0;
    border-top: 1px solid var(--ct-hair);
  }

  .page-contact .ct-contact__row {
    display: grid;
    grid-template-columns: minmax(88px, 0.42fr) minmax(0, 1fr);
    grid-template-areas:
      "key val"
      "key use";
    column-gap: 14px;
    align-items: baseline;
  }

  .page-contact .ct-contact__key {
    grid-area: key;
    padding-top: 2px;
  }

  .page-contact .ct-contact__val {
    grid-area: val;
    margin-top: 0;
  }

  .page-contact .ct-contact__use {
    grid-area: use;
  }

  .page-contact .ct-contact__row:last-child {
    border-bottom: 1px dashed var(--ct-hair-soft);
    padding-bottom: 13px;
  }
}

@media (min-width: 960px) {
  .page-contact .ct-split {
    grid-template-columns: minmax(0, 1.6fr) minmax(290px, 1fr);
    align-items: start;
  }

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

  .page-contact .ct-next__grid {
    gap: 18px;
  }
}

.page-contact {
  --ky-card: transparent;
}