.page-contact {
  --ct-rule: rgba(217, 255, 242, .14);
  --ct-rule-strong: rgba(47, 240, 200, .46);
  --ct-surface: rgba(11, 52, 40, .68);
  --ct-surface-2: rgba(6, 23, 38, .74);
  color: var(--ink);
  background:
    radial-gradient(120% 55% at 100% 0%, rgba(6, 23, 38, .92), transparent 62%),
    linear-gradient(180deg, var(--dark, var(--night)) 0%, var(--night) 40%, var(--night) 100%);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  isolation: isolate;
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(58% 46% at 90% 2%, rgba(47, 240, 200, .16), transparent 70%),
    radial-gradient(48% 42% at 2% 98%, rgba(255, 106, 43, .12), transparent 72%);
}

.page-contact .ct-hero__inner {
  display: grid;
  gap: clamp(1.75rem, 6vw, 3.5rem);
  align-items: center;
  padding-top: clamp(2.25rem, 7vw, 4.5rem);
  padding-bottom: clamp(2rem, 6vw, 3.5rem);
}

.page-contact .ct-hero__copy {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-contact .ct-hero__copy h1 {
  font-size: clamp(1.9rem, 5.6vw, 3.4rem);
  line-height: 1.14;
  letter-spacing: -.02em;
  font-weight: 200;
  max-width: 20ch;
}

.page-contact .ct-hero__copy .lede {
  max-width: 48ch;
}

.page-contact .ct-facts {
  display: grid;
  gap: .85rem;
  margin: 1.5rem 0 0;
  padding: 1.15rem 0 0;
  border-top: 1px solid var(--ct-rule);
  list-style: none;
}

.page-contact .ct-facts > li {
  display: flex;
  flex-direction: column;
  gap: .2rem;
}

.page-contact .ct-facts__k {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cyan);
  opacity: .85;
}

.page-contact .ct-facts__v {
  font-size: .9rem;
  line-height: 1.65;
  color: var(--mist);
}

.page-contact .ct-radar {
  width: min(74%, 320px);
  height: auto;
  justify-self: center;
  filter: drop-shadow(0 0 28px rgba(47, 240, 200, .16));
}

/* ---------- 联系方式卡片 ---------- */
.page-contact .ct-channels .section-head {
  margin-bottom: clamp(1.25rem, 4vw, 2rem);
}

.page-contact .ct-cards {
  display: grid;
  gap: clamp(.9rem, 2vw, 1.25rem);
}

.page-contact .ct-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .7rem;
  padding: clamp(1.25rem, 3vw, 1.9rem);
  border: 1px solid var(--ct-rule);
  background: linear-gradient(155deg, rgba(11, 52, 40, .92), rgba(4, 18, 14, .84));
  clip-path: polygon(
    0 0,
    calc(100% - var(--cut)) 0,
    100% var(--cut),
    100% 100%,
    var(--cut) 100%,
    0 calc(100% - var(--cut))
  );
  transition:
    transform var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    background var(--dur) var(--ease);
}

.page-contact .ct-card:hover {
  transform: translateY(-6px);
  border-color: var(--ct-rule-strong);
  background: linear-gradient(155deg, rgba(12, 62, 48, .95), rgba(4, 18, 14, .86));
}

.page-contact .ct-card__icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid rgba(47, 240, 200, .3);
  background: rgba(47, 240, 200, .09);
  color: var(--cyan);
}

.page-contact .ct-card__icon svg {
  width: 20px;
  height: 20px;
}

.page-contact .ct-card__label {
  margin: 0;
  font-size: .8rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  color: var(--mist);
}

.page-contact .ct-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(.95rem, 2.4vw, 1.05rem);
  line-height: 1.55;
  letter-spacing: -.01em;
  color: var(--cyan);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .ct-card--place .ct-card__value {
  font-size: clamp(.92rem, 2.2vw, 1rem);
  color: var(--amber);
}

.page-contact .ct-card__note {
  margin: 0;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 地域图 ---------- */
.page-contact .ct-city {
  margin: clamp(1.5rem, 5vw, 2.5rem) 0 0;
  position: relative;
  border: 1px solid var(--ct-rule);
  background: var(--deep);
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
  overflow: hidden;
}

.page-contact .ct-city img,
.page-contact .ct-local__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .ct-city__cap {
  margin: 0;
  padding: .8rem clamp(1rem, 3vw, 1.4rem) 1rem;
  font-size: .8rem;
  line-height: 1.6;
  color: var(--mist);
  border-top: 1px solid var(--ct-rule);
  background: rgba(4, 18, 14, .6);
}

/* ---------- 响应流程 ---------- */
.page-contact .ct-flow .section-head {
  margin-bottom: clamp(1.25rem, 4vw, 2rem);
}

.page-contact .ct-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(.9rem, 3vw, 1.4rem);
}

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

.page-contact .ct-step__box {
  height: 100%;
  border: 1px solid var(--ct-rule);
  background: var(--ct-surface-2);
  clip-path: polygon(0 var(--cut), var(--cut) 0, 100% 0, 100% 100%, 0 100%);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .ct-step__box:hover,
.page-contact .ct-step__box[open] {
  border-color: var(--ct-rule-strong);
  background: rgba(6, 30, 42, .86);
}

.page-contact .ct-step__head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: .75rem;
  padding: 1.1rem 1.2rem;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .ct-step__no {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-contact .ct-step__title {
  font-size: 1.02rem;
  font-weight: 400;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-contact .ct-step__toggle {
  position: relative;
  width: 16px;
  height: 16px;
  flex: none;
}

.page-contact .ct-step__toggle::before,
.page-contact .ct-step__toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 16px;
  height: 1.5px;
  background: var(--cyan);
  transform: translateY(-50%);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-contact .ct-step__toggle::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-contact .ct-step__box[open] .ct-step__toggle::after {
  opacity: 0;
  transform: translateY(-50%) rotate(90deg) scaleX(.2);
}

.page-contact .ct-step__body {
  padding: 0 1.2rem 1.25rem;
}

.page-contact .ct-step__body p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 合作方向 ---------- */
.page-contact .ct-coop-section .section-head {
  margin-bottom: clamp(1rem, 3vw, 1.5rem);
}

.page-contact .ct-coop-section .filter-bar {
  margin-bottom: clamp(1rem, 3vw, 1.5rem);
}

.page-contact .ct-coop {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(.9rem, 2.5vw, 1.25rem);
}

.page-contact .ct-coop__item {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  padding: 1.3rem;
  border: 1px solid var(--ct-rule);
  border-top: 2px solid rgba(47, 240, 200, .45);
  background: linear-gradient(180deg, rgba(11, 52, 40, .62), rgba(4, 18, 14, .55));
  transition:
    transform var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    background var(--dur) var(--ease);
}

.page-contact .ct-coop__item:hover {
  transform: translateY(-5px) translateX(3px);
  border-color: var(--ct-rule-strong);
  background: linear-gradient(180deg, rgba(14, 68, 52, .72), rgba(4, 18, 14, .6));
}

.page-contact .ct-coop__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 400;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-contact .ct-coop__desc {
  margin: 0;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .ct-coop__need {
  margin: auto 0 0;
  padding-top: .7rem;
  border-top: 1px dashed rgba(217, 255, 242, .16);
  font-size: .82rem;
  line-height: 1.7;
  color: var(--amber);
}

.page-contact .ct-coop__need .tag {
  margin-right: .4rem;
}

/* ---------- 本地观赛 ---------- */
.page-contact .ct-local__grid {
  display: grid;
  gap: clamp(1.5rem, 5vw, 2.5rem);
}

.page-contact .ct-local__text h2 {
  margin: .5rem 0 1rem;
}

.page-contact .ct-local__text > p {
  margin: 0 0 1rem;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--mist);
  max-width: 52ch;
}

.page-contact .ct-local__list {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.page-contact .ct-local__list li {
  position: relative;
  padding-left: 1.2rem;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .ct-local__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 8px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-contact .ct-local__list strong {
  color: var(--ink);
  font-weight: 500;
}

.page-contact .ct-local__media {
  margin: 0;
  border: 1px solid var(--ct-rule);
  background: var(--deep);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  overflow: hidden;
}

/* ---------- 常见问题索引 ---------- */
.page-contact .ct-ask .section-head {
  margin-bottom: clamp(1.25rem, 4vw, 2rem);
}

.page-contact .ct-ask .ledger {
  margin-bottom: clamp(1.5rem, 4vw, 2rem);
}

.page-contact .ct-ask__link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 240, 200, .42);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .ct-ask__link:hover,
.page-contact .ct-ask__link:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .ct-ask__foot {
  margin: 0;
  padding: 1.1rem clamp(1rem, 3vw, 1.5rem);
  border: 1px solid var(--ct-rule);
  border-left: 3px solid var(--orange);
  background: rgba(6, 23, 38, .7);
  font-size: .92rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .ct-ask__foot .num {
  color: var(--cyan);
  font-family: var(--font-mono);
  word-break: break-word;
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-contact .ct-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .page-contact .ct-facts > li {
    padding-right: .75rem;
  }
}

@media (min-width: 800px) {
  .page-contact .ct-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-coop {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  }

  .page-contact .ct-radar {
    width: min(100%, 340px);
    justify-self: end;
  }

  .page-contact .ct-local__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
  }
}

@media (min-width: 880px) {
  .page-contact .ct-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 2.6rem;
    right: -1.15rem;
    width: 2.3rem;
    height: 1px;
    background: linear-gradient(90deg, rgba(47, 240, 200, .7), rgba(255, 106, 43, .35));
    transform: rotate(-16deg);
    transform-origin: left center;
    pointer-events: none;
  }
}

@media (min-width: 1160px) {
  .page-contact .ct-coop {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-card,
  .page-contact .ct-coop__item,
  .page-contact .ct-step__box,
  .page-contact .ct-step__toggle::before,
  .page-contact .ct-step__toggle::after {
    transition: none;
  }

  .page-contact .ct-card:hover,
  .page-contact .ct-coop__item:hover {
    transform: none;
  }
}

.page-contact {
  --dark: transparent;
}