/* ===== page-contact ===== */
.page-contact {
  --ct-gap: 22px;
  --ct-shadow-soft: 0 22px 42px -30px rgba(27, 19, 48, .7);
  --ct-shadow-lift: 0 32px 56px -28px rgba(27, 19, 48, .68);
  --ct-cut: polygon(0 18px, 18px 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
  --ct-rule: rgba(58, 58, 69, .16);
}

.page-contact .tt-section {
  padding-block: 60px;
}

/* ---------- 面包屑 ---------- */
.page-contact .tt-crumbs {
  margin-top: 22px;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding-block: 26px 56px;
}

.page-contact .ct-hero__inner {
  display: grid;
  gap: 38px;
}

.page-contact .ct-hero h1 {
  font-family: var(--tt-font-display);
  font-weight: 900;
  font-size: clamp(32px, 7.4vw, 60px);
  line-height: 1.08;
  letter-spacing: -.012em;
  margin: 14px 0 18px;
  color: var(--tt-stone);
  text-wrap: balance;
}

.page-contact .ct-hero .tt-lead {
  max-width: 40ch;
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .ct-hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
  margin: 34px 0 0;
  padding-top: 22px;
  border-top: 1px dashed var(--ct-rule);
}

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

.page-contact .ct-hero__fact dt {
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--tt-clay);
  margin-bottom: 6px;
}

.page-contact .ct-hero__fact dd {
  margin: 0;
  font-family: var(--tt-font-display);
  font-size: 19px;
  font-weight: 900;
  color: var(--tt-purple);
  font-variant-numeric: tabular-nums;
}

/* 信号可视化 */
.page-contact .ct-signal {
  position: relative;
  aspect-ratio: 1 / .88;
  min-height: 300px;
  clip-path: var(--ct-cut);
  background:
    radial-gradient(circle at 74% 22%, rgba(242, 180, 65, .28), transparent 46%),
    radial-gradient(circle at 18% 82%, rgba(37, 224, 208, .24), transparent 52%),
    linear-gradient(150deg, var(--tt-night) 0%, var(--tt-purple) 100%);
  box-shadow: var(--ct-shadow-soft);
  overflow: hidden;
  isolation: isolate;
}

.page-contact .ct-signal__wave {
  position: absolute;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
  border-radius: 50%;
  border: 1.5px solid rgba(37, 224, 208, .5);
  animation: ct-pulse 5.5s var(--tt-ease) infinite;
}

.page-contact .ct-signal__wave--1 { width: 32%; aspect-ratio: 1; }
.page-contact .ct-signal__wave--2 { width: 58%; aspect-ratio: 1; animation-delay: .9s; border-color: rgba(201, 203, 218, .34); }
.page-contact .ct-signal__wave--3 { width: 84%; aspect-ratio: 1; animation-delay: 1.8s; border-color: rgba(242, 180, 65, .3); }

.page-contact .ct-signal__core {
  position: absolute;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
  display: grid;
  place-items: center;
  width: 92px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--tt-neon);
  color: #08211f;
  font-family: var(--tt-font-display);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: .06em;
  box-shadow: 0 0 0 8px rgba(37, 224, 208, .14), 0 0 42px rgba(37, 224, 208, .5);
}

.page-contact .ct-signal__pin {
  position: absolute;
  width: 10px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--tt-gold);
  box-shadow: 0 0 14px rgba(242, 180, 65, .8);
}

.page-contact .ct-signal__pin--a { top: 18%; left: 22%; }
.page-contact .ct-signal__pin--b { bottom: 24%; right: 18%; background: var(--tt-coral); box-shadow: 0 0 14px rgba(255, 107, 87, .8); }
.page-contact .ct-signal__pin--c { bottom: 16%; left: 30%; background: var(--tt-silver); box-shadow: 0 0 12px rgba(201, 203, 218, .7); }

.page-contact .ct-signal__foot {
  position: absolute;
  left: 22px;
  bottom: 20px;
  font-size: 12px;
  letter-spacing: .16em;
  color: rgba(246, 241, 231, .78);
}

@keyframes ct-pulse {
  0%, 100% { transform: scale(1); opacity: .85; }
  50% { transform: scale(1.07); opacity: .45; }
}

/* ---------- 联络通道 ---------- */
.page-contact .ct-channels__head {
  max-width: 62ch;
  margin-bottom: 34px;
}

.page-contact .ct-channels h2 {
  font-family: var(--tt-font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.6vw, 42px);
  line-height: 1.16;
  color: var(--tt-stone);
  margin: 12px 0 14px;
}

.page-contact .ct-channels__grid {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .ct-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform .34s var(--tt-ease), box-shadow .34s var(--tt-ease);
}

.page-contact .ct-card:hover,
.page-contact .ct-card:focus-within {
  transform: translateY(-5px) rotate(-.5deg);
  box-shadow: var(--ct-shadow-lift);
}

.page-contact .ct-card--b {
  background: linear-gradient(170deg, #fffdf7, #f6f1e7);
}

.page-contact .ct-card--c {
  background: linear-gradient(170deg, rgba(110, 139, 90, .12), rgba(246, 241, 231, .92));
}

.page-contact .ct-card__value {
  margin: 4px 0 6px;
  padding: 11px 13px;
  border-radius: 10px;
  border: 1px dashed rgba(75, 46, 131, .32);
  background: rgba(75, 46, 131, .07);
  font-family: var(--tt-font-mono);
  font-size: 15px;
  line-height: 1.5;
  color: var(--tt-purple);
  overflow-wrap: anywhere;
}

.page-contact .ct-card__value--plain {
  font-family: var(--tt-font-body);
  font-size: 15px;
  border-color: rgba(110, 139, 90, .4);
  background: rgba(110, 139, 90, .1);
  color: #3f5233;
}

.page-contact .ct-card .tt-btn {
  align-self: flex-start;
  margin-top: 4px;
}

.page-contact .ct-mapfigure {
  margin: 0;
  clip-path: var(--ct-cut);
  background: var(--tt-night);
  box-shadow: var(--ct-shadow-soft);
}

.page-contact .ct-mapfigure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-contact .ct-mapfigure__cap {
  padding: 13px 18px 15px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--tt-silver);
  border-top: 1px solid var(--tt-rule-dark);
}

/* ---------- 反馈处理节奏 ---------- */
.page-contact .ct-flow__head {
  max-width: 60ch;
  margin-bottom: 38px;
}

.page-contact .ct-flow h2 {
  font-family: var(--tt-font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.6vw, 42px);
  line-height: 1.16;
  color: var(--tt-cream);
  margin: 12px 0 14px;
}

.page-contact .ct-flow .tt-lead {
  color: var(--tt-silver);
}

.page-contact .ct-flow__body {
  display: grid;
  gap: 40px;
}

.page-contact .ct-steps {
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  position: relative;
}

.page-contact .ct-steps::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: repeating-linear-gradient(to bottom,
      rgba(37, 224, 208, .7) 0 10px,
      rgba(37, 224, 208, 0) 10px 20px);
}

.page-contact .ct-step {
  position: relative;
  padding-bottom: 30px;
}

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

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 6px;
  width: 12px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--tt-neon);
  box-shadow: 0 0 0 4px rgba(37, 224, 208, .18);
}

.page-contact .ct-step__no {
  display: inline-block;
  font-family: var(--tt-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--tt-gold);
  margin-bottom: 6px;
}

.page-contact .ct-step__title {
  font-family: var(--tt-font-display);
  font-weight: 900;
  font-size: 21px;
  color: var(--tt-cream);
  margin: 0 0 8px;
}

.page-contact .ct-step__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--tt-silver);
  max-width: 40ch;
}

.page-contact .ct-flowfigure {
  margin: 0;
  clip-path: var(--ct-cut);
  background: rgba(246, 241, 231, .05);
  border: 1px solid var(--tt-rule-dark);
}

.page-contact .ct-flowfigure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 10 / 6;
  object-fit: cover;
}

.page-contact .ct-flowfigure__cap {
  padding: 12px 18px 14px;
  font-size: 13px;
  color: var(--tt-silver);
  border-top: 1px solid var(--tt-rule-dark);
}

/* ---------- 合作与内容共建 ---------- */
.page-contact .ct-letter {
  position: relative;
  background: #fffdf7;
  border: 1px solid var(--ct-rule);
  border-radius: 18px;
  padding: 30px 22px 32px;
  box-shadow: var(--ct-shadow-soft);
}

.page-contact .ct-letter::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  border-radius: 18px 0 0 18px;
  background: linear-gradient(180deg, var(--tt-moss), var(--tt-clay));
}

.page-contact .ct-letter h2 {
  font-family: var(--tt-font-display);
  font-weight: 900;
  font-size: clamp(24px, 4.2vw, 36px);
  line-height: 1.2;
  color: var(--tt-stone);
  margin: 12px 0 16px;
}

.page-contact .ct-letter__p {
  font-size: 17px;
  line-height: 1.85;
  color: var(--tt-stone);
  margin: 0 0 18px;
  max-width: 38ch;
}

.page-contact .ct-letter__list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .ct-letter__list li {
  display: grid;
  gap: 5px;
  padding-left: 16px;
  border-left: 2px solid rgba(110, 139, 90, .5);
  font-size: 16px;
  line-height: 1.8;
  color: var(--tt-stone);
}

.page-contact .ct-letter__list strong {
  font-family: var(--tt-font-display);
  font-weight: 900;
  font-size: 17px;
  color: var(--tt-purple);
}

.page-contact .ct-letter__p--tip a {
  color: var(--tt-purple);
  text-decoration: underline;
  text-decoration-color: rgba(75, 46, 131, .4);
  text-underline-offset: 3px;
}

.page-contact .ct-letter .tt-btn {
  margin-top: 4px;
}

/* ---------- 值守时段 ---------- */
.page-contact .ct-hours__inner {
  display: grid;
  gap: 38px;
}

.page-contact .ct-ring {
  position: relative;
  width: min(260px, 72vw);
  aspect-ratio: 1;
  margin-inline: auto;
  display: grid;
  place-items: center;
  transition: transform .4s var(--tt-ease);
}

.page-contact .ct-ring:hover,
.page-contact .ct-ring:focus-within {
  transform: scale(1.03);
}

.page-contact .ct-ring__disc {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(from -90deg,
      var(--tt-gold) 0deg 180deg,
      rgba(201, 203, 218, .18) 180deg 360deg);
  mask: radial-gradient(circle, transparent 57%, #000 58%);
  -webkit-mask: radial-gradient(circle, transparent 57%, #000 58%);
}

.page-contact .ct-ring__hole {
  position: relative;
  display: grid;
  place-items: center;
  gap: 2px;
  text-align: center;
}

.page-contact .ct-ring__value {
  font-family: var(--tt-font-display);
  font-weight: 900;
  font-size: 46px;
  line-height: 1;
  color: var(--tt-gold);
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-ring__unit {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--tt-cream);
}

.page-contact .ct-ring__note {
  position: absolute;
  left: 50%;
  bottom: -14px;
  translate: -50% 0;
  width: max-content;
  max-width: 90%;
  margin: 0;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(27, 19, 48, .86);
  border: 1px solid rgba(242, 180, 65, .45);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--tt-cream);
  opacity: 0;
  transition: opacity .3s var(--tt-ease), translate .3s var(--tt-ease);
}

.page-contact .ct-ring:hover .ct-ring__note,
.page-contact .ct-ring:focus-within .ct-ring__note {
  opacity: 1;
  translate: -50% -6px;
}

.page-contact .ct-hours h2 {
  font-family: var(--tt-font-display);
  font-weight: 900;
  font-size: clamp(25px, 4.4vw, 38px);
  line-height: 1.18;
  color: var(--tt-cream);
  margin: 12px 0 16px;
}

.page-contact .ct-hours .tt-lead {
  color: var(--tt-silver);
  max-width: 42ch;
}

.page-contact .ct-hours__sub {
  font-family: var(--tt-font-display);
  font-weight: 900;
  font-size: 18px;
  color: var(--tt-gold);
  margin: 28px 0 12px;
}

.page-contact .ct-hours__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .ct-hours__list li {
  position: relative;
  padding-left: 20px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--tt-cream);
}

.page-contact .ct-hours__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 9px;
  height: 2px;
  background: var(--tt-neon);
}

.page-contact .ct-hours__hint {
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--tt-silver);
}

.page-contact .ct-hours__hint a {
  color: var(--tt-neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 站点信息与备案 ---------- */
.page-contact .ct-meta {
  position: relative;
  overflow: hidden;
}

.page-contact .ct-meta::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 12% 26%, rgba(246, 241, 231, .5) 0 1.4px, transparent 1.6px),
    radial-gradient(circle at 38% 68%, rgba(37, 224, 208, .45) 0 1.2px, transparent 1.4px),
    radial-gradient(circle at 66% 18%, rgba(242, 180, 65, .42) 0 1.4px, transparent 1.6px),
    radial-gradient(circle at 84% 74%, rgba(246, 241, 231, .38) 0 1.1px, transparent 1.3px),
    radial-gradient(circle at 92% 36%, rgba(201, 203, 218, .4) 0 1.2px, transparent 1.4px);
  opacity: .8;
}

.page-contact .ct-meta__inner {
  position: relative;
  max-width: 780px;
}

.page-contact .ct-meta h2 {
  font-family: var(--tt-font-display);
  font-weight: 900;
  font-size: clamp(23px, 4vw, 34px);
  color: var(--tt-cream);
  margin: 12px 0 24px;
}

.page-contact .ct-meta__list {
  margin: 0;
  border-top: 1px solid var(--tt-rule-dark);
}

.page-contact .ct-meta__row {
  display: grid;
  gap: 4px;
  padding: 15px 0;
  border-bottom: 1px solid var(--tt-rule-dark);
}

.page-contact .ct-meta__row dt {
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--tt-gold);
}

.page-contact .ct-meta__row dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--tt-cream);
  overflow-wrap: anywhere;
}

.page-contact .ct-meta__foot {
  margin: 26px 0 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .tt-section {
    padding-block: 78px;
  }

  .page-contact .ct-letter {
    padding: 40px 42px 44px;
  }

  .page-contact .ct-letter__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 26px;
  }

  .page-contact .ct-letter__list li:first-child {
    grid-column: 1 / -1;
  }

  .page-contact .ct-meta__row {
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-contact .ct-hours__inner {
    grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
    gap: 56px;
    align-items: center;
  }

  .page-contact .ct-ring {
    margin-inline: 0;
  }

  .page-contact .ct-flow__body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-contact .ct-hero {
    padding-block: 40px 76px;
  }

  .page-contact .ct-hero__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    gap: 64px;
    align-items: center;
  }

  .page-contact .ct-channels__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 26px;
    row-gap: 34px;
  }

  .page-contact .ct-card--a {
    grid-column: 1 / 6;
  }

  .page-contact .ct-mapfigure {
    grid-column: 7 / 13;
    margin-top: 26px;
  }

  .page-contact .ct-card--b {
    grid-column: 2 / 7;
    margin-top: -18px;
  }

  .page-contact .ct-card--c {
    grid-column: 8 / 13;
    margin-top: 34px;
  }

  .page-contact .ct-flowfigure {
    margin-top: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-signal__wave {
    animation: none;
    opacity: .5;
  }

  .page-contact .ct-card,
  .page-contact .ct-ring {
    transition: none;
  }

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