/* ===== 咨询通道页 ===== */
.page-contact {
  background-color: var(--ink);
  color: var(--paper);
  overflow-x: clip;
  position: relative;
}

.page-contact .triage__radio {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  border: 0;
  opacity: 0;
  pointer-events: none;
}

/* ---- 页头 ---- */
.page-contact .page-head {
  position: relative;
  padding: clamp(64px, 10vw, 118px) 0 clamp(24px, 4vw, 40px);
}

.page-contact .page-head::after {
  content: "";
  display: block;
  height: 2px;
  margin-top: clamp(26px, 4vw, 42px);
  background: linear-gradient(90deg, var(--cyan) 0 22%, var(--orange) 22% 33%, var(--line) 33% 100%);
}

.page-contact .page-head .breadcrumb {
  margin-bottom: 26px;
  font-size: 13px;
  letter-spacing: .04em;
}

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

.page-contact .pc-lede {
  max-width: 62ch;
  color: var(--mute);
}

.page-contact .pc-lede--tight {
  margin: 0 0 30px;
  font-size: 16px;
  line-height: 1.85;
}

/* ---- 章节标题组微调 ---- */
.page-contact .section__head h2 {
  margin-top: 10px;
}

/* ---- 斜纹底的分流区 ---- */
.page-contact .section--triage {
  background-image: repeating-linear-gradient(
    -4deg,
    rgba(23, 230, 200, .05) 0 1px,
    transparent 1px 34px
  );
}

/* ---- 通用图文框 ---- */
.page-contact .pc-figure {
  margin: 30px 0 40px;
  border: 2px solid var(--line);
  background-color: var(--ink-2);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

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

.page-contact .pc-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mute);
}

.page-contact .pc-figure--aside {
  margin: 0;
  box-shadow: 4px 4px 0 rgba(23, 230, 200, .22);
}

/* ---- 分栏骨架 ---- */
.page-contact .triage-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 42px;
}

@media (min-width: 980px) {
  .page-contact .triage-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }
}

/* ---- 三张分流卡 ---- */
.page-contact .triage-card {
  position: relative;
  display: block;
  margin-bottom: 22px;
  padding: 22px 24px 24px;
  background-color: var(--ink-2);
  border: 2px solid var(--line);
  border-left: 6px solid var(--line);
  box-shadow: var(--shadow-hard);
  cursor: pointer;
  transition:
    transform var(--dur-1) var(--ease),
    box-shadow var(--dur-1) var(--ease),
    background-color var(--dur-1) var(--ease),
    border-color var(--dur-1) var(--ease);
}

.page-contact .triage-card:last-child {
  margin-bottom: 0;
}

.page-contact .triage-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 rgba(11, 18, 16, .85);
}

.page-contact .triage-card--biz { border-left-color: var(--cyan); }
.page-contact .triage-card--media { border-left-color: var(--orange); }
.page-contact .triage-card--user { border-left-color: var(--red); }

.page-contact .triage-card__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan);
}
.page-contact .triage-card--media .triage-card__num { color: var(--orange); }
.page-contact .triage-card--user .triage-card__num { color: var(--red); }

.page-contact .triage-card__title {
  margin: 0 0 10px;
  color: var(--paper-2);
}

.page-contact .triage-card__text {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mute);
}

.page-contact .triage-card__meta {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-all;
}

.page-contact .triage-card__meta .mono {
  margin-right: 8px;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--mute);
}

.page-contact .triage-card__cue {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mute);
}

.page-contact .triage-card__cue::after {
  content: "→";
  transition: transform var(--dur-1) var(--ease);
}

.page-contact .triage-card:hover .triage-card__cue::after {
  transform: translateX(4px);
}

/* 桌面端错位排布 */
@media (min-width: 980px) {
  .page-contact .triage-col .triage-card:nth-child(1) { margin-right: 46px; }
  .page-contact .triage-col .triage-card:nth-child(2) { margin-left: 28px; margin-right: 22px; }
  .page-contact .triage-col .triage-card:nth-child(3) { margin-left: 58px; margin-right: 0; }
}

/* 选中态 */
.page-contact #ct-biz:checked ~ .section--triage .triage-card--biz {
  background-color: var(--ink-3);
  border-color: var(--cyan);
  box-shadow: 8px 8px 0 rgba(23, 230, 200, .30);
}
.page-contact #ct-media:checked ~ .section--triage .triage-card--media {
  background-color: var(--ink-3);
  border-color: var(--orange);
  box-shadow: 8px 8px 0 rgba(255, 122, 26, .30);
}
.page-contact #ct-user:checked ~ .section--triage .triage-card--user {
  background-color: var(--ink-3);
  border-color: var(--red);
  box-shadow: 8px 8px 0 rgba(226, 62, 87, .30);
}

.page-contact #ct-biz:checked ~ .section--triage .triage-card--biz .triage-card__cue,
.page-contact #ct-media:checked ~ .section--triage .triage-card--media .triage-card__cue,
.page-contact #ct-user:checked ~ .section--triage .triage-card--user .triage-card__cue {
  color: var(--paper-2);
}

/* ---- 右侧联系卡 ---- */
.page-contact .contact-aside {
  display: grid;
  gap: 22px;
  align-content: start;
}

@media (min-width: 980px) {
  .page-contact .contact-aside {
    position: sticky;
    top: 32px;
  }
}

.page-contact .contact-card {
  padding: 26px 24px 22px;
  background-color: var(--paper);
  color: var(--ink);
  border: 2px solid var(--ink-3);
  box-shadow: 6px 6px 0 rgba(23, 230, 200, .26);
}

.page-contact .contact-card .eyebrow {
  color: var(--cyan-on-paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
}

.page-contact .contact-card__title {
  margin: 10px 0 6px;
  color: var(--ink);
}

.page-contact .contact-list {
  margin: 6px 0 0;
}

.page-contact .contact-list dd {
  margin: 0;
}

.page-contact .contact-row {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(11, 18, 16, .14);
}

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

.page-contact .contact-row__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--ink-mute-on-paper);
}

.page-contact .contact-row__value {
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .contact-row__value--mono {
  font-family: var(--font-mono);
  font-size: 14.5px;
  letter-spacing: .01em;
}

/* ---- 流程步骤 ---- */
.page-contact .steps {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  max-width: 860px;
}

.page-contact .step {
  position: relative;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 20px;
  padding-bottom: 34px;
}

.page-contact .step:last-child {
  padding-bottom: 0;
}

.page-contact .step::before {
  content: "";
  position: absolute;
  left: 25px;
  top: 58px;
  bottom: 2px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--line) 90%);
}

.page-contact .step:last-child::before {
  display: none;
}

.page-contact .step__num {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border: 2px solid var(--cyan);
  background-color: var(--ink);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .06em;
}

.page-contact .step__title {
  margin: 12px 0 8px;
  color: var(--paper-2);
}

.page-contact .step__text {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mute);
}

/* ---- 材料清单 ---- */
.page-contact .prep-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 28px;
}

.page-contact .prep-tab {
  display: inline-block;
  padding: 9px 18px;
  background-color: var(--ink-2);
  border: 2px solid var(--line);
  color: var(--mute);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  cursor: pointer;
  transition:
    color var(--dur-1) var(--ease),
    border-color var(--dur-1) var(--ease),
    background-color var(--dur-1) var(--ease);
}

.page-contact .prep-tab:hover {
  color: var(--paper);
  border-color: var(--mute);
}

.page-contact #ct-biz:checked ~ .section--prep .prep-tab[for="ct-biz"],
.page-contact #ct-media:checked ~ .section--prep .prep-tab[for="ct-media"],
.page-contact #ct-user:checked ~ .section--prep .prep-tab[for="ct-user"] {
  background-color: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.page-contact .prep-panel {
  display: none;
  padding-left: 22px;
  border-left: 4px solid var(--red);
  animation: pc-panel-in var(--dur-2) var(--ease);
}

.page-contact #ct-biz:checked ~ .section--prep .prep-panel--biz,
.page-contact #ct-media:checked ~ .section--prep .prep-panel--media,
.page-contact #ct-user:checked ~ .section--prep .prep-panel--user {
  display: block;
}

@keyframes pc-panel-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.page-contact .prep-panel__title {
  margin: 0 0 18px;
  color: var(--paper-2);
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: prep;
  max-width: 68ch;
}

.page-contact .prep-list__item {
  position: relative;
  padding-left: 42px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--paper);
}

.page-contact .prep-list__item::before {
  counter-increment: prep;
  content: counter(prep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  padding: 2px 6px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}

/* ---- 站点信息 ---- */
.page-contact .site-facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  margin-top: 32px;
  background-color: var(--line);
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
}

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

@media (min-width: 1100px) {
  .page-contact .site-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .site-fact {
  display: grid;
  gap: 8px;
  padding: 22px 22px 24px;
  background-color: var(--ink-2);
}

.page-contact .site-fact__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-contact .site-fact__value {
  font-size: 16px;
  line-height: 1.7;
  color: var(--paper-2);
  word-break: break-word;
}

/* ---- 延伸阅读 ---- */
.page-contact .section--cross {
  border-top: 2px solid var(--line);
}

.page-contact .crosslinks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
}

.page-contact .crosslinks a {
  font-size: 14px;
  letter-spacing: .02em;
}

/* ---- 窄屏收敛 ---- */
@media (max-width: 979px) {
  .page-contact .triage-card {
    margin-bottom: 18px;
  }

  .page-contact .page-head__title {
    max-width: none;
  }

  .page-contact .contact-card {
    box-shadow: 4px 4px 0 rgba(23, 230, 200, .24);
  }

  .page-contact .pc-figure {
    box-shadow: 4px 4px 0 rgba(58, 74, 68, .7);
  }
}

@media (max-width: 520px) {
  .page-contact .triage-card {
    padding: 20px 18px 22px;
    border-left-width: 5px;
  }

  .page-contact .step {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 14px;
  }

  .page-contact .step__num {
    width: 44px;
    height: 44px;
    font-size: 13px;
  }

  .page-contact .step::before {
    left: 21px;
    top: 50px;
  }

  .page-contact .prep-panel {
    padding-left: 16px;
    border-left-width: 3px;
  }

  .page-contact .prep-list__item {
    padding-left: 36px;
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .triage-card,
  .page-contact .prep-tab,
  .page-contact .triage-card__cue::after {
    transition: none;
  }

  .page-contact .triage-card:hover {
    transform: none;
  }

  .page-contact .prep-panel {
    animation: none;
  }
}