.page-contact {
  --ct-rhythm: clamp(26px, 4vw, 46px);
  display: block;
}

.page-contact .ct-slash {
  color: var(--tbs-mist);
  padding: 0 6px;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-head {
  position: relative;
  padding: clamp(104px, 16vh, 168px) 0 clamp(38px, 6vw, 70px);
  background:
    radial-gradient(1080px 540px at 16% -12%, rgba(53, 242, 224, .12), transparent 62%),
    radial-gradient(820px 460px at 96% 4%, rgba(255, 106, 43, .10), transparent 64%);
}

.page-contact .ct-head__inner {
  max-width: 1000px;
}

.page-contact .ct-head__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 6.2vw, 4.1rem);
  line-height: 1.03;
  letter-spacing: -.02em;
  color: var(--tbs-ice);
}

.page-contact .ct-head__accent {
  display: block;
  color: var(--tbs-cyan);
}

.page-contact .ct-head__lede {
  margin: 22px 0 0;
  max-width: 62ch;
  font-family: var(--font-serif);
  font-size: clamp(1.02rem, 2.3vw, 1.2rem);
  line-height: 1.82;
  color: var(--tbs-ice);
  opacity: .86;
}

.page-contact .ct-head__jump {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 26px;
  padding-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--tbs-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 224, .35);
  transition: color .24s var(--tbs-ease), border-color .24s var(--tbs-ease);
}

.page-contact .ct-head__jump:hover {
  color: var(--tbs-ice);
  border-color: var(--tbs-flame);
}

/* ---------- 双栏：渠道 + 准备清单 ---------- */
.page-contact .ct-route__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-rhythm);
}

.page-contact .ct-lanes {
  display: block;
}

.page-contact .ct-lane {
  position: relative;
  padding: 26px 0 26px 22px;
  border-top: 1px solid var(--tbs-line-soft);
}

.page-contact .ct-lane:last-of-type {
  border-bottom: 1px solid var(--tbs-line-soft);
}

.page-contact .ct-lane::before {
  content: "";
  position: absolute;
  left: 0;
  top: 30px;
  bottom: 30px;
  width: 2px;
  background: linear-gradient(180deg, var(--tbs-cyan), rgba(53, 242, 224, 0));
  opacity: .45;
  transition: opacity .24s var(--tbs-ease), transform .24s var(--tbs-ease);
}

.page-contact .ct-lane::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 1px;
  width: 0;
  background: linear-gradient(90deg, var(--tbs-cyan), var(--tbs-flame));
  transition: width .26s var(--tbs-ease);
}

.page-contact .ct-lane:hover::before,
.page-contact .ct-lane:focus-within::before {
  opacity: 1;
  transform: translateX(3px);
}

.page-contact .ct-lane:hover::after,
.page-contact .ct-lane:focus-within::after {
  width: 100%;
}

.page-contact .ct-lane__tag {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--tbs-cyan);
}

.page-contact .ct-lane__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.16rem, 2.6vw, 1.4rem);
  letter-spacing: .01em;
  color: var(--tbs-ice);
}

.page-contact .ct-lane__body {
  margin: 0;
  max-width: 60ch;
  color: var(--tbs-mist);
  font-size: .97rem;
  line-height: 1.78;
}

/* ---------- 联系方式 ---------- */
.page-contact .ct-ways {
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: clamp(20px, 3vw, 30px);
  background: linear-gradient(180deg, rgba(22, 32, 58, .82), rgba(11, 17, 32, .7));
  border-left: 2px solid var(--tbs-cyan);
  border-radius: 0 var(--tbs-radius) var(--tbs-radius) 0;
}

.page-contact .ct-ways__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--tbs-mist);
}

.page-contact .ct-ways dl {
  margin: 0;
}

.page-contact .ct-way {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3px;
  padding: 12px 0;
  border-top: 1px solid var(--tbs-line-soft);
}

.page-contact .ct-way:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-contact .ct-way dt {
  font-size: 13px;
  color: var(--tbs-mist);
}

.page-contact .ct-way dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(.9rem, 2vw, 1rem);
  line-height: 1.6;
  color: var(--tbs-ice);
  word-break: break-word;
}

/* ---------- 准备清单 ---------- */
.page-contact .ct-prep {
  padding: clamp(24px, 3.4vw, 38px);
  background: rgba(11, 17, 32, .76);
  border-top: 2px solid var(--tbs-flame);
  border-radius: 0 0 var(--tbs-radius) var(--tbs-radius);
}

.page-contact .ct-prep__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.1rem, 2.5vw, 1.3rem);
  color: var(--tbs-ice);
}

.page-contact .ct-prep__hint {
  margin: 0 0 22px;
  color: var(--tbs-mist);
  font-size: .93rem;
  line-height: 1.7;
}

.page-contact .ct-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .ct-checklist li {
  position: relative;
  padding-left: 30px;
  font-size: .95rem;
  line-height: 1.68;
  color: rgba(234, 242, 255, .84);
}

.page-contact .ct-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .36em;
  width: 15px;
  height: 15px;
  border: 1px solid rgba(138, 155, 184, .5);
  border-radius: 3px;
  background: rgba(53, 242, 224, .06);
}

.page-contact .ct-tpl {
  margin-top: 26px;
  padding-top: 16px;
  border-top: 1px solid var(--tbs-line-soft);
}

.page-contact .ct-tpl summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--tbs-cyan);
}

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

.page-contact .ct-tpl summary::before {
  content: "▸ ";
  color: var(--tbs-flame);
}

.page-contact .ct-tpl[open] summary::before {
  content: "▾ ";
}

.page-contact .ct-tpl pre {
  margin: 14px 0 0;
  padding: 18px;
  background: rgba(5, 7, 14, .82);
  border: 1px solid var(--tbs-line-soft);
  border-radius: var(--tbs-radius);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.9;
  color: rgba(234, 242, 255, .8);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}

/* ---------- 客服场景图 ---------- */
.page-contact .ct-support {
  position: relative;
  margin-top: clamp(36px, 5vw, 64px);
  padding-top: 14px;
}

.page-contact .ct-support::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 96px;
  height: 2px;
  background: linear-gradient(90deg, var(--tbs-cyan), var(--tbs-flame));
}

.page-contact .ct-support .tbs-figure__img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--tbs-radius);
}

/* ---------- 地址 ---------- */
.page-contact .ct-place__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-rhythm);
}

.page-contact .ct-place__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--tbs-mist);
}

.page-contact .ct-place__addr {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.4vw, 1.22rem);
  line-height: 1.9;
  letter-spacing: .02em;
  color: var(--tbs-ice);
}

.page-contact .ct-place__notes {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .ct-place__notes li {
  position: relative;
  padding-left: 18px;
  color: var(--tbs-mist);
  font-size: .94rem;
  line-height: 1.72;
}

.page-contact .ct-place__notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 8px;
  height: 1px;
  background: var(--tbs-flame);
}

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

.page-contact .ct-place__figure .tbs-figure__img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--tbs-radius);
}

/* ---------- 合作 ---------- */
.page-contact .ct-partner__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .ct-pcard {
  padding: clamp(22px, 3vw, 32px);
  background: rgba(22, 32, 58, .45);
  border-top: 1px solid var(--tbs-line-soft);
  border-radius: var(--tbs-radius);
  transition: background .24s var(--tbs-ease);
}

.page-contact .ct-pcard:hover {
  background: rgba(22, 32, 58, .84);
}

.page-contact .ct-pcard__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--tbs-flame);
}

.page-contact .ct-pcard__title {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.08rem, 2.4vw, 1.2rem);
  color: var(--tbs-ice);
}

.page-contact .ct-pcard__body {
  margin: 0 0 18px;
  color: var(--tbs-mist);
  font-size: .94rem;
  line-height: 1.74;
}

.page-contact .ct-pcard__link {
  display: inline-block;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--tbs-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 224, .3);
  transition: color .24s var(--tbs-ease), border-color .24s var(--tbs-ease);
}

.page-contact .ct-pcard__link:hover {
  color: var(--tbs-ice);
  border-color: var(--tbs-flame);
}

.page-contact .ct-partner__foot {
  margin: clamp(26px, 3.6vw, 40px) 0 0;
  max-width: 76ch;
  padding-left: 18px;
  border-left: 2px solid var(--tbs-violet);
  color: var(--tbs-mist);
  font-size: .94rem;
  line-height: 1.8;
}

/* ---------- 延伸阅读 ---------- */
.page-contact .ct-next__inner {
  max-width: 74ch;
  padding-top: 22px;
  border-top: 1px solid var(--tbs-line-soft);
  color: var(--tbs-mist);
  font-size: .95rem;
  line-height: 1.85;
}

.page-contact .ct-next__inner a {
  color: var(--tbs-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 224, .28);
  transition: color .24s var(--tbs-ease), border-color .24s var(--tbs-ease);
}

.page-contact .ct-next__inner a:hover {
  color: var(--tbs-ice);
  border-color: var(--tbs-flame);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-contact .ct-way {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 0 16px;
  }
}

@media (min-width: 860px) {
  .page-contact .ct-partner__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    border-radius: var(--tbs-radius);
    overflow: hidden;
  }

  .page-contact .ct-pcard {
    border-radius: 0;
  }

  .page-contact .ct-pcard + .ct-pcard {
    border-left: 1px solid var(--tbs-line-soft);
  }
}

@media (min-width: 900px) {
  .page-contact .ct-place__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-contact .ct-route__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: clamp(36px, 5vw, 72px);
    align-items: start;
  }

  .page-contact .ct-prep {
    position: sticky;
    top: calc(var(--tbs-header-h) + 24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-lane::after,
  .page-contact .ct-lane::before,
  .page-contact .ct-pcard,
  .page-contact .ct-pcard__link,
  .page-contact .ct-next__inner a {
    transition: none;
  }
}