.page-contact {
  --ct-border: 1px solid rgba(127, 231, 245, .16);
  --ct-border-soft: 1px solid rgba(127, 231, 245, .09);
  --ct-glass: linear-gradient(158deg, rgba(18, 56, 92, .74), rgba(6, 16, 31, .92));
  --ct-glass-light: linear-gradient(148deg, rgba(18, 56, 92, .5), rgba(6, 16, 31, .72));
  position: relative;
  display: block;
  color: var(--c-paper);
  background-color: var(--c-deep);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.75;
  overflow-x: clip;
}

.page-contact::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: min(760px, 92vh);
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(74% 96% at 86% -14%, rgba(34, 211, 238, .2), transparent 64%),
    radial-gradient(58% 76% at 2% 2%, rgba(255, 107, 74, .11), transparent 58%);
}

.page-contact > * {
  position: relative;
  z-index: 1;
}

.page-contact a:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--c-coral);
  outline-offset: 3px;
  border-radius: 3px;
}

.page-contact .crumbs {
  padding-top: clamp(16px, 2.6vw, 26px);
  font-family: var(--font-data);
  font-size: var(--fs-label);
}

/* ---------- section rhythm ---------- */
.page-contact .ct-hero {
  padding-block: clamp(22px, 3.6vw, 42px) clamp(28px, 4.6vw, 54px);
}

.page-contact .ct-dirs,
.page-contact .ct-flow,
.page-contact .ct-hours,
.page-contact .ct-channels,
.page-contact .ct-feedback {
  padding-block: clamp(32px, 5.4vw, 64px);
}

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

.page-contact .section__title {
  max-width: 24ch;
}

/* ---------- hero ---------- */
.page-contact .ct-hero__inner {
  max-width: 900px;
}

.page-contact h1 {
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.01em;
  margin: 14px 0 20px;
  color: var(--c-paper);
}

.page-contact .ct-hero__lede {
  margin: 0 0 30px;
  max-width: 68ch;
  font-size: clamp(16px, 1.6vw, 18px);
  color: var(--c-text-soft);
}

.page-contact .ct-hero__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px 24px;
  padding-top: 22px;
  border-top: var(--ct-border-soft);
}

.page-contact .ct-fact {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.page-contact .ct-fact__num {
  font-family: var(--font-data);
  font-size: clamp(21px, 2.6vw, 29px);
  font-weight: 600;
  letter-spacing: .01em;
  line-height: 1.2;
  color: var(--c-cyan);
}

.page-contact .ct-fact__label {
  font-size: var(--fs-label);
  letter-spacing: .05em;
  color: var(--c-text-dim);
}

/* ---------- 合作方向 ---------- */
.page-contact .ct-dirs__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 28px;
}

.page-contact .ct-dir {
  border: var(--ct-border);
  border-radius: var(--r-lg);
  background: var(--ct-glass);
  overflow: hidden;
  transition: border-color .35s ease;
}

.page-contact .ct-dir[open] {
  border-color: rgba(34, 211, 238, .42);
}

.page-contact .ct-dir__sum {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 20px 20px 22px;
  cursor: pointer;
  list-style: none;
  -webkit-user-select: none;
  user-select: none;
}

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

.page-contact .ct-dir__idx {
  flex: none;
  padding: 3px 9px;
  border: 1px solid rgba(255, 107, 74, .38);
  border-radius: 999px;
  font-family: var(--font-data);
  font-size: var(--fs-label);
  letter-spacing: .12em;
  color: var(--c-coral);
}

.page-contact .ct-dir__name {
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: .01em;
  color: var(--c-paper);
}

.page-contact .ct-dir__mark {
  position: relative;
  flex: none;
  margin-left: auto;
  width: 24px;
  height: 24px;
  border: 1px solid rgba(127, 231, 245, .34);
  border-radius: 50%;
  transition: border-color .3s ease;
}

.page-contact .ct-dir__mark::before,
.page-contact .ct-dir__mark::after {
  content: "";
  position: absolute;
  background: var(--c-cyan);
  border-radius: 2px;
  transition: opacity .25s ease;
}

.page-contact .ct-dir__mark::before {
  left: 6px;
  right: 6px;
  top: 50%;
  height: 1.5px;
  transform: translateY(-50%);
}

.page-contact .ct-dir__mark::after {
  top: 6px;
  bottom: 6px;
  left: 50%;
  width: 1.5px;
  transform: translateX(-50%);
}

.page-contact .ct-dir[open] .ct-dir__mark {
  border-color: rgba(34, 211, 238, .7);
}

.page-contact .ct-dir[open] .ct-dir__mark::after {
  opacity: 0;
}

.page-contact .ct-dir__body {
  padding: 16px 22px 22px;
  border-top: var(--ct-border-soft);
}

.page-contact .ct-dir__body p {
  margin: 0 0 12px;
  font-size: 15.5px;
  color: var(--c-text-soft);
}

.page-contact .ct-dir__body p:last-child {
  margin-bottom: 0;
}

.page-contact .ct-dir__body > p.ct-dir__fit {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--c-text-dim);
}

.page-contact .ct-dir__fit span {
  flex: none;
  padding: 2px 7px;
  border: 1px solid rgba(78, 124, 89, .5);
  border-radius: 4px;
  font-family: var(--font-data);
  font-size: var(--fs-label);
  line-height: 1.5;
  letter-spacing: .1em;
  color: var(--c-moss);
}

/* ---------- 发起流程 ---------- */
.page-contact .ct-flow__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-top: 26px;
}

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

.page-contact .ct-step {
  position: relative;
  padding-left: 60px;
  padding-bottom: 30px;
}

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

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 46px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, rgba(34, 211, 238, .45), rgba(34, 211, 238, .06));
}

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

.page-contact .ct-step__num {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(34, 211, 238, .42);
  border-radius: 50%;
  background: rgba(18, 56, 92, .68);
  font-family: var(--font-data);
  font-size: 13px;
  line-height: 1;
  letter-spacing: .06em;
  color: var(--c-cyan);
}

.page-contact .ct-step__title {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-size: clamp(17px, 1.9vw, 20px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-paper);
}

.page-contact .ct-step p {
  margin: 0;
  font-size: 15.5px;
  color: var(--c-text-soft);
}

.page-contact .ct-step p a,
.page-contact .ct-fb p a,
.page-contact .ct-feedback__outro a,
.page-contact .ct-hours__item dd a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(34, 211, 238, .4);
}

.page-contact .ct-flow__media {
  position: relative;
  margin: 0;
  border: var(--ct-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: rgba(6, 16, 31, .6);
}

.page-contact .ct-flow__media .media__img,
.page-contact .ct-chan__media .media__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .ct-flow__media .media__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 16px 18px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--c-paper);
  background: linear-gradient(180deg, transparent, rgba(6, 16, 31, .92) 66%);
}

/* ---------- 响应时段 ---------- */
.page-contact .ct-hours__panel {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 42px);
  border: var(--ct-border);
  border-radius: var(--r-lg);
  background: var(--ct-glass);
}

.page-contact .ct-hours__panel::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -46%;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, rgba(34, 211, 238, .16), transparent 68%);
}

.page-contact .ct-hours__head {
  position: relative;
  z-index: 1;
  max-width: 640px;
}

.page-contact .ct-band {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: clamp(22px, 3.4vw, 34px) 0 4px;
}

.page-contact .ct-band__track {
  position: relative;
  height: 44px;
  border: var(--ct-border-soft);
  border-radius: 10px;
  background: rgba(6, 16, 31, .72);
  overflow: hidden;
}

.page-contact .ct-band__live {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  background: linear-gradient(90deg, rgba(34, 211, 238, .42), rgba(255, 107, 74, .48));
  border-left: 1px solid rgba(34, 211, 238, .8);
  border-right: 1px solid rgba(255, 107, 74, .8);
}

.page-contact .ct-band__scale {
  position: relative;
  height: 20px;
  margin-top: 8px;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--c-text-dim);
}

.page-contact .ct-band__scale span {
  position: absolute;
  white-space: nowrap;
}

.page-contact .ct-band__scale span:nth-child(1) {
  left: 0;
}

.page-contact .ct-band__scale span:nth-child(2) {
  left: 37.5%;
  transform: translateX(-50%);
}

.page-contact .ct-band__scale span:nth-child(3) {
  left: 75%;
  transform: translateX(-50%);
}

.page-contact .ct-band__scale span:nth-child(4) {
  left: 100%;
  transform: translateX(-100%);
}

.page-contact .ct-hours__list {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  max-width: 760px;
  margin: clamp(22px, 3vw, 30px) 0 0;
}

.page-contact .ct-hours__item dt {
  position: relative;
  margin-bottom: 5px;
  padding-left: 13px;
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 700;
  color: var(--c-paper);
}

.page-contact .ct-hours__item dt::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--c-cyan);
}

.page-contact .ct-hours__item dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-text-soft);
}

/* ---------- 联系渠道 ---------- */
.page-contact .ct-chan-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 26px;
}

.page-contact .ct-chan {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 22px;
  border: var(--ct-border);
  border-radius: var(--r-md);
  background: var(--ct-glass-light);
}

.page-contact .ct-chan__key {
  margin: 0;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--c-cyan);
}

.page-contact .ct-chan__val {
  margin: 0;
  font-family: var(--font-data);
  font-size: clamp(16px, 2.1vw, 21px);
  font-weight: 600;
  line-height: 1.4;
  color: var(--c-paper);
  overflow-wrap: anywhere;
}

.page-contact .ct-chan__val--addr {
  font-family: var(--font-body);
  font-size: clamp(16px, 2vw, 19px);
}

.page-contact .ct-chan__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-text-dim);
}

.page-contact .ct-chan__media {
  position: relative;
  margin: 20px 0 0;
  border: var(--ct-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: rgba(6, 16, 31, .6);
}

.page-contact .ct-chan__media .media__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 18px 20px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--c-paper);
  background: linear-gradient(180deg, transparent, rgba(6, 16, 31, .94) 62%);
}

/* ---------- 内容反馈 ---------- */
.page-contact .ct-feedback__inner {
  max-width: 880px;
}

.page-contact .ct-fb-list {
  list-style: none;
  display: grid;
  gap: 14px;
  margin: 28px 0 0;
  padding: 0;
}

.page-contact .ct-fb {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 20px;
  border: var(--ct-border-soft);
  border-radius: var(--r-md);
  background: rgba(18, 56, 92, .3);
}

.page-contact .ct-fb__num {
  padding-top: 3px;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--c-coral);
}

.page-contact .ct-fb h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--c-paper);
}

.page-contact .ct-fb p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text-soft);
}

.page-contact .ct-feedback__outro {
  margin: 22px 0 0;
  font-size: 15px;
  color: var(--c-text-dim);
}

/* ---------- responsive ---------- */
@media (min-width: 620px) {
  .page-contact .ct-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .ct-chan-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-chan--wide {
    grid-column: 1 / -1;
  }

  .page-contact .ct-chan__media {
    aspect-ratio: 24 / 9;
  }

  .page-contact .ct-hours__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (min-width: 880px) {
  .page-contact .ct-dirs__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-contact .ct-dir--a {
    grid-column: span 7;
  }

  .page-contact .ct-dir--b {
    grid-column: span 5;
  }

  .page-contact .ct-dir--c {
    grid-column: span 5;
  }

  .page-contact .ct-dir--d {
    grid-column: span 7;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-flow__layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 44px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-dir,
  .page-contact .ct-dir__mark,
  .page-contact .ct-dir__mark::before,
  .page-contact .ct-dir__mark::after {
    transition: none;
  }
}