/* ===================================================
   联系与咨询 /consult/
   页面作用域：.page-contact
   =================================================== */

.page-contact {
  --ct-rule: 1px solid var(--hair);
  --ct-panel: rgba(35, 46, 59, .6);
}

/* ---------------- 首屏 ---------------- */

.page-contact .ct-hero {
  padding: 1.75rem 0 2.75rem;
}

.page-contact .ct-hero .crumbs {
  margin-bottom: 1.75rem;
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: 1.75rem;
}

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

.page-contact .ct-kicker {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin: 0 0 1rem;
  font-size: .72rem;
  letter-spacing: .22em;
  color: var(--cyan);
}

.page-contact .ct-kicker::before {
  content: "";
  width: 1.75rem;
  height: 1px;
  background: var(--cyan);
}

.page-contact .ct-hero h1 {
  margin: 0 0 1.15rem;
  max-width: 20ch;
  font-family: var(--font-display);
  font-size: clamp(1.95rem, 7vw, 3.4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .ct-lede {
  margin: 0 0 .85rem;
  max-width: 58ch;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(243, 239, 230, .82);
}

.page-contact .ct-lede strong {
  font-weight: 600;
  color: var(--paper);
  border-bottom: 1px solid var(--ember);
  padding-bottom: 1px;
}

.page-contact .ct-hero__hint {
  margin: 0;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .ct-hero__panel {
  border: var(--ct-rule);
  border-left: 2px solid var(--ember);
  background: linear-gradient(180deg, rgba(35, 46, 59, .72), rgba(13, 27, 42, .3));
  padding: 1.25rem 1.25rem 1.35rem;
}

.page-contact .ct-hero__panel-label {
  margin: 0;
  font-size: .68rem;
  letter-spacing: .2em;
  color: var(--mist);
}

.page-contact .ct-hero__panel-val {
  margin: .55rem 0 .6rem;
  font-family: var(--font-mono);
  font-size: clamp(1.55rem, 5vw, 2.05rem);
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-contact .ct-hero__panel-note {
  margin: 0;
  font-size: .8rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------------- 章节小标题 ---------------- */

.page-contact .ct-sechead {
  display: grid;
  gap: .6rem;
  margin-bottom: 1.75rem;
}

.page-contact .ct-sechead h2 {
  margin: 0;
  max-width: 26ch;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 4.4vw, 1.95rem);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .ct-sechead__note {
  margin: 0;
  max-width: 58ch;
  font-size: .86rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .ct-sechead__note a,
.page-contact .ct-switch__tip a,
.page-contact .ct-place__text a,
.page-contact .ct-tail__line a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 198, .4);
}

.page-contact .ct-sechead__note a:hover,
.page-contact .ct-switch__tip a:hover,
.page-contact .ct-place__text a:hover,
.page-contact .ct-tail__line a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------------- 联系方式双栏 ---------------- */

.page-contact .ct-channels {
  position: relative;
  overflow: hidden;
  padding: 3rem 0;
  background: var(--ink);
  border-top: var(--ct-rule);
  border-bottom: var(--ct-rule);
}

.page-contact .ct-channels__wash {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .15;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(85% 75% at 82% 18%, #000 0%, transparent 74%);
  mask-image: radial-gradient(85% 75% at 82% 18%, #000 0%, transparent 74%);
}

.page-contact .ct-channels > .shell {
  position: relative;
  z-index: 1;
}

.page-contact .ct-duo {
  display: grid;
  gap: 1rem;
}

.page-contact .ct-card {
  display: flex;
  flex-direction: column;
  gap: .85rem;
  padding: 1.5rem 1.3rem 1.4rem;
  background: var(--ct-panel);
  border: var(--ct-rule);
  border-left-width: 3px;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.page-contact .ct-card--mail {
  border-left-color: var(--ember);
}

.page-contact .ct-card--phone {
  border-left-color: var(--cyan);
}

.page-contact .ct-card__badge {
  align-self: flex-start;
  padding: .18rem .6rem;
  border: 1px solid currentColor;
  border-radius: var(--cap);
  font-size: .7rem;
  letter-spacing: .16em;
}

.page-contact .ct-card--mail .ct-card__badge {
  color: var(--ember);
}

.page-contact .ct-card--phone .ct-card__badge {
  color: var(--cyan);
}

.page-contact .ct-card__title {
  margin: 0;
  font-size: 1.03rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .ct-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.02rem, 3.8vw, 1.35rem);
  line-height: 1.45;
  letter-spacing: .01em;
  color: var(--paper);
  word-break: break-all;
}

.page-contact .ct-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .6rem;
}

.page-contact .ct-card__list li {
  position: relative;
  padding-left: 1.05rem;
  font-size: .87rem;
  line-height: 1.78;
  color: rgba(243, 239, 230, .78);
}

.page-contact .ct-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: .5rem;
  height: 1px;
  background: var(--mist);
}

.page-contact .ct-card__foot {
  margin: auto 0 0;
  padding-top: .9rem;
  border-top: 1px dashed var(--hair);
  font-size: .78rem;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------------- 纠错步骤 ---------------- */

.page-contact .ct-fix {
  padding: 3.25rem 0;
}

.page-contact .ct-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--ct-rule);
}

.page-contact .ct-step {
  display: grid;
  gap: .4rem;
  padding: 1.35rem 0;
  border-bottom: var(--ct-rule);
}

.page-contact .ct-step__idx {
  font-family: var(--font-mono);
  font-size: .88rem;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-contact .ct-step h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .ct-step p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.82;
  color: rgba(243, 239, 230, .74);
}

/* ---------------- 合作方向 ---------------- */

.page-contact .ct-partner {
  padding: 3.25rem 0;
  border-top: var(--ct-rule);
}

.page-contact .ct-partner__grid {
  margin: 0;
}

.page-contact .ct-pcard {
  display: flex;
  flex-direction: column;
  gap: .7rem;
  padding: 1.4rem 1.25rem;
  background: linear-gradient(180deg, rgba(35, 46, 59, .62), rgba(13, 27, 42, .48));
  border: 1px solid var(--hair);
  transition: border-color .28s var(--ease), transform .28s var(--ease);
}

.page-contact .ct-pcard:hover,
.page-contact .ct-pcard:focus-within {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-contact .ct-pcard__no {
  font-family: var(--font-mono);
  font-size: .84rem;
  letter-spacing: .2em;
  color: var(--sand);
}

.page-contact .ct-pcard h3 {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .ct-pcard > p {
  margin: 0;
  font-size: .87rem;
  line-height: 1.8;
  color: rgba(243, 239, 230, .76);
}

.page-contact .ct-pcard__subject {
  margin: auto 0 0;
  padding-top: .85rem;
  border-top: 1px solid var(--hair);
  font-size: .77rem;
  line-height: 1.72;
  color: var(--mist);
  word-break: break-word;
}

/* ---------------- 来函类型切换 ---------------- */

.page-contact .ct-letter {
  padding: 3.25rem 0;
  border-top: var(--ct-rule);
}

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

.page-contact .ct-switch__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  white-space: nowrap;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
}

.page-contact .ct-switch__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.25rem;
}

.page-contact .ct-switch__tab {
  padding: .48rem 1.05rem;
  border: 1px solid var(--hair-2);
  border-radius: var(--cap);
  font-size: .85rem;
  color: var(--mist);
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
  transition: color .24s var(--ease), border-color .24s var(--ease), background-color .24s var(--ease);
}

.page-contact .ct-switch__tab:hover {
  color: var(--paper);
  border-color: var(--hair-2);
}

.page-contact #lt-a:checked ~ .ct-switch__tabs .ct-switch__tab:nth-child(1),
.page-contact #lt-b:checked ~ .ct-switch__tabs .ct-switch__tab:nth-child(2),
.page-contact #lt-c:checked ~ .ct-switch__tabs .ct-switch__tab:nth-child(3),
.page-contact #lt-d:checked ~ .ct-switch__tabs .ct-switch__tab:nth-child(4) {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-deep);
  font-weight: 600;
}

.page-contact #lt-a:focus-visible ~ .ct-switch__tabs .ct-switch__tab:nth-child(1),
.page-contact #lt-b:focus-visible ~ .ct-switch__tabs .ct-switch__tab:nth-child(2),
.page-contact #lt-c:focus-visible ~ .ct-switch__tabs .ct-switch__tab:nth-child(3),
.page-contact #lt-d:focus-visible ~ .ct-switch__tabs .ct-switch__tab:nth-child(4) {
  outline: 2px solid var(--ember);
  outline-offset: 2px;
}

.page-contact .ct-switch__panel {
  display: none;
  max-width: 68ch;
  padding: 1.4rem 1.25rem 1.3rem;
  background: var(--ct-panel);
  border: 1px solid var(--hair);
  border-left: 2px solid var(--cyan);
  animation: ct-panel-in .3s var(--ease) both;
}

.page-contact #lt-a:checked ~ .ct-switch__panels .ct-switch__panel:nth-child(1),
.page-contact #lt-b:checked ~ .ct-switch__panels .ct-switch__panel:nth-child(2),
.page-contact #lt-c:checked ~ .ct-switch__panels .ct-switch__panel:nth-child(3),
.page-contact #lt-d:checked ~ .ct-switch__panels .ct-switch__panel:nth-child(4) {
  display: block;
}

.page-contact .ct-switch__panel h3 {
  margin: 0 0 .9rem;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .ct-switch__panel ul {
  list-style: none;
  margin: 0 0 .9rem;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-contact .ct-switch__panel li {
  position: relative;
  padding-left: 1.05rem;
  font-size: .88rem;
  line-height: 1.78;
  color: rgba(243, 239, 230, .76);
}

.page-contact .ct-switch__panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: .5rem;
  height: 1px;
  background: var(--cyan);
}

.page-contact .ct-switch__tip {
  margin: 0;
  padding-top: .85rem;
  border-top: 1px solid var(--hair);
  font-size: .79rem;
  line-height: 1.75;
  color: var(--mist);
}

@keyframes ct-panel-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

/* ---------------- 地址与来信 ---------------- */

.page-contact .ct-place {
  padding: 3.25rem 0;
  border-top: var(--ct-rule);
}

.page-contact .ct-place__grid {
  display: grid;
  gap: 1.75rem;
}

.page-contact .ct-place__text h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 4.4vw, 1.95rem);
  font-weight: 800;
  line-height: 1.28;
  color: var(--paper);
}

.page-contact .ct-place__addr {
  margin: 0 0 1rem;
  padding: .9rem 0;
  border-top: 1px solid var(--sand);
  border-bottom: 1px solid var(--hair);
  font-family: var(--font-mono);
  font-size: clamp(.98rem, 3.4vw, 1.2rem);
  line-height: 1.7;
  letter-spacing: .05em;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .ct-place__text p {
  margin: 0 0 .85rem;
  font-size: .88rem;
  line-height: 1.82;
  color: rgba(243, 239, 230, .76);
}

.page-contact .ct-place__fig {
  margin: 0;
}

.page-contact .ct-place__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 620;
  object-fit: cover;
  border: 1px solid var(--hair);
}

/* ---------------- 回复节奏 ---------------- */

.page-contact .ct-reply {
  padding: 1rem 0 3.25rem;
}

.page-contact .ct-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--ct-rule);
}

.page-contact .ct-timeline__row {
  display: grid;
  gap: .35rem;
  padding: 1.1rem 0;
  border-bottom: var(--ct-rule);
}

.page-contact .ct-timeline__when {
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .07em;
  color: var(--ember);
}

.page-contact .ct-timeline__what {
  font-size: .88rem;
  line-height: 1.82;
  color: rgba(243, 239, 230, .76);
}

/* ---------------- 页尾收束 ---------------- */

.page-contact .ct-tail {
  padding: 1.5rem 0 3.5rem;
  border-top: 1px solid var(--sand);
}

.page-contact .ct-tail__line {
  margin: 0 0 .6rem;
  font-size: .84rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .ct-tail__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: rgba(142, 151, 163, .72);
}

/* ---------------- 断点 ---------------- */

@media (min-width: 760px) {
  .page-contact .ct-step {
    grid-template-columns: 4.5rem minmax(0, 1fr) minmax(0, 1.7fr);
    align-items: start;
    gap: 0 1.5rem;
  }

  .page-contact .ct-step__idx {
    padding-top: .15rem;
  }

  .page-contact .ct-timeline__row {
    grid-template-columns: 11rem minmax(0, 1fr);
    gap: 1.5rem;
    align-items: baseline;
  }
}

@media (min-width: 860px) {
  .page-contact .ct-duo {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero {
    padding: 2.5rem 0 3.25rem;
  }

  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: end;
    gap: 2.5rem;
  }

  .page-contact .ct-place__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    align-items: center;
    gap: 2.75rem;
  }

  .page-contact .ct-sechead {
    gap: .75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-switch__panel {
    animation: none;
  }

  .page-contact .ct-pcard {
    transition: none;
  }

  .page-contact .ct-pcard:hover,
  .page-contact .ct-pcard:focus-within {
    transform: none;
  }
}