.page-contact {
  --pc-panel: rgba(19, 28, 68, 0.72);
  --pc-panel-strong: rgba(19, 28, 68, 0.92);
  --pc-sunken: rgba(10, 18, 48, 0.6);
  display: block;
}

.page-contact .yy-section__head {
  max-width: 760px;
}

/* ---------- 首屏：通道坐标 ---------- */

.page-contact .pc-hero {
  display: grid;
  gap: clamp(18px, 3vw, 34px);
  align-items: center;
}

.page-contact .pc-hero__intro {
  position: relative;
}

.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-contact .pc-hero__figure {
  position: relative;
  margin: 0;
  border-radius: var(--yy-radius);
  overflow: hidden;
  border: 1px solid var(--yy-line);
  background:
    radial-gradient(130% 120% at 8% 0%, rgba(34, 211, 238, 0.18), transparent 58%),
    linear-gradient(150deg, rgba(167, 139, 250, 0.16), rgba(10, 18, 48, 0.4) 72%);
}

.page-contact .pc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-contact .pc-hero__cap {
  display: block;
  padding: 12px 16px;
  font-family: var(--yy-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--yy-muted);
  border-top: 1px solid var(--yy-line);
  background: var(--pc-sunken);
}

@media (min-width: 900px) {
  .page-contact .pc-hero {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  }

  .page-contact .pc-hero__intro {
    padding-left: 22px;
  }

  .page-contact .pc-hero__intro::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(180deg, var(--yy-cyan), rgba(167, 139, 250, 0.55) 52%, transparent);
  }
}

/* ---------- 联系通道 ---------- */

.page-contact .pc-channels {
  display: grid;
  gap: var(--yy-gap);
}

.page-contact .pc-channel {
  position: relative;
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--yy-line);
  border-radius: var(--yy-radius);
  background: linear-gradient(172deg, var(--pc-panel-strong), rgba(10, 18, 48, 0.8));
  overflow: hidden;
}

.page-contact .pc-channel::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--yy-cyan), rgba(34, 211, 238, 0) 68%);
}

.page-contact .pc-channel--support::after {
  background: linear-gradient(90deg, var(--yy-orange), rgba(251, 146, 60, 0) 68%);
}

.page-contact .pc-channel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.page-contact .pc-channel__desc {
  margin: 0 0 16px;
  color: var(--yy-muted);
  line-height: 1.8;
  font-size: 0.9375rem;
}

.page-contact .pc-channel__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .pc-channel__list li {
  position: relative;
  padding-left: 20px;
  color: var(--yy-text);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.page-contact .pc-channel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1px solid var(--yy-cyan);
  background: rgba(34, 211, 238, 0.22);
}

.page-contact .pc-channel--support .pc-channel__list li::before {
  border-color: var(--yy-orange);
  background: rgba(251, 146, 60, 0.22);
}

.page-contact .pc-facts {
  display: grid;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--yy-line);
}

.page-contact .pc-fact {
  display: grid;
  gap: 4px;
  padding: 11px 13px;
  border-radius: var(--yy-radius-sm);
  border: 1px solid rgba(30, 42, 90, 0.95);
  background: var(--pc-sunken);
}

.page-contact .pc-fact__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-contact .pc-fact__key {
  font-family: var(--yy-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--yy-muted);
}

.page-contact .pc-fact__val {
  font-family: var(--yy-font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.02em;
  color: var(--yy-text);
  overflow-wrap: anywhere;
}

.page-contact .yy-copy {
  flex: none;
  padding: 4px 11px;
  font-family: var(--yy-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--yy-cyan);
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.34);
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--yy-fast) var(--yy-ease), color var(--yy-fast) var(--yy-ease),
    transform var(--yy-fast) var(--yy-ease);
}

.page-contact .yy-copy:hover,
.page-contact .yy-copy:focus-visible {
  background: rgba(34, 211, 238, 0.22);
  color: var(--yy-text);
  transform: translateY(-1px);
  outline: none;
}

@media (min-width: 880px) {
  .page-contact .pc-channels {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(20px, 3vw, 34px);
  }
}

/* ---------- 推进节奏（折叠步骤） ---------- */

.page-contact .yy-accordion {
  border: 1px solid var(--yy-line);
  border-radius: var(--yy-radius);
  background: linear-gradient(180deg, rgba(19, 28, 68, 0.66), rgba(10, 18, 48, 0.62));
  overflow: hidden;
}

.page-contact .pc-process__heading {
  margin: 0;
  font-size: 1rem;
}

.page-contact .yy-accordion__item + .yy-accordion__item {
  border-top: 1px solid var(--yy-line);
}

.page-contact .yy-accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 17px 20px;
  background: transparent;
  border: 0;
  text-align: left;
  color: var(--yy-text);
  font-family: var(--yy-font-head);
  font-size: 1rem;
  cursor: pointer;
  transition: background var(--yy-fast) var(--yy-ease);
}

.page-contact .yy-accordion__trigger:hover,
.page-contact .yy-accordion__trigger:focus-visible {
  background: rgba(34, 211, 238, 0.07);
  outline: none;
}

.page-contact .yy-accordion__label {
  flex: 1 1 auto;
  font-weight: 600;
  font-size: 1.0625rem;
}

.page-contact .yy-accordion__meta {
  flex: none;
  font-family: var(--yy-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--yy-cyan);
}

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

.page-contact .yy-accordion__icon::before,
.page-contact .yy-accordion__icon::after {
  content: "";
  position: absolute;
  background: var(--yy-cyan);
  transition: transform var(--yy-mid) var(--yy-ease), opacity var(--yy-mid) var(--yy-ease);
}

.page-contact .yy-accordion__icon::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.page-contact .yy-accordion__icon::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}

.page-contact .yy-accordion__item[data-open] .yy-accordion__icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-contact .yy-accordion__body {
  padding: 0 20px 20px;
  color: var(--yy-muted);
  font-size: 0.9375rem;
  line-height: 1.85;
}

.page-contact .yy-accordion__body p {
  margin: 0;
}

/* ---------- 合作方向 ---------- */

.page-contact .pc-types {
  display: grid;
  gap: var(--yy-gap);
}

.page-contact .pc-type {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px 20px;
  border: 1px solid var(--yy-line);
  border-radius: var(--yy-radius);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(167, 139, 250, 0.14), transparent 60%),
    linear-gradient(180deg, rgba(19, 28, 68, 0.86), rgba(10, 18, 48, 0.7));
  transition: border-color var(--yy-mid) var(--yy-ease), transform var(--yy-mid) var(--yy-ease);
}

.page-contact .pc-type:hover {
  border-color: rgba(34, 211, 238, 0.4);
  transform: translateY(-4px);
}

.page-contact .pc-type__idx {
  font-family: var(--yy-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--yy-cyan);
}

.page-contact .pc-type p {
  margin: 0;
  color: var(--yy-muted);
  font-size: 0.9375rem;
  line-height: 1.85;
}

.page-contact .pc-type__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 4px;
}

@media (min-width: 760px) {
  .page-contact .pc-types {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 联络坐标 ---------- */

.page-contact .pc-locate {
  display: grid;
  gap: clamp(18px, 3vw, 34px);
  align-items: center;
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--yy-line);
  border-radius: var(--yy-radius);
  background:
    radial-gradient(120% 140% at 92% 0%, rgba(167, 139, 250, 0.16), transparent 60%),
    linear-gradient(180deg, rgba(19, 28, 68, 0.86), rgba(10, 18, 48, 0.78));
}

.page-contact .pc-locate__figure {
  margin: 0;
  border: 1px solid var(--yy-line);
  border-radius: var(--yy-radius-sm);
  overflow: hidden;
  background: var(--pc-sunken);
}

.page-contact .pc-locate__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .pc-locate__cap {
  display: block;
  padding: 10px 14px;
  font-family: var(--yy-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--yy-muted);
  border-top: 1px solid var(--yy-line);
}

.page-contact .pc-locate__addr {
  margin: 12px 0 16px;
  font-family: var(--yy-font-mono);
  font-size: 0.9375rem;
  line-height: 1.9;
  color: var(--yy-text);
  overflow-wrap: anywhere;
}

.page-contact .pc-locate__legal {
  margin: 14px 0 0;
  font-family: var(--yy-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--yy-muted);
}

@media (min-width: 880px) {
  .page-contact .pc-locate {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }
}

/* ---------- 响应说明 ---------- */

.page-contact .pc-response {
  display: grid;
  gap: var(--yy-gap);
}

.page-contact .pc-response__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-response__item {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid var(--yy-line);
  border-left: 3px solid var(--yy-cyan);
  border-radius: var(--yy-radius-sm);
  background: var(--pc-panel);
}

.page-contact .pc-response__val {
  font-family: var(--yy-font-mono);
  font-size: 1rem;
  letter-spacing: 0.06em;
  color: var(--yy-cyan);
}

.page-contact .pc-response__txt {
  color: var(--yy-muted);
  font-size: 0.9375rem;
  line-height: 1.8;
}

@media (min-width: 900px) {
  .page-contact .pc-response {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
    gap: clamp(24px, 4vw, 48px);
  }
}

@media (min-width: 560px) {
  .page-contact .pc-response__item {
    grid-template-columns: 118px minmax(0, 1fr);
    align-items: start;
    gap: 16px;
  }
}

/* ---------- 延伸入口 ---------- */

.page-contact .pc-next {
  display: grid;
  gap: 16px;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--yy-line);
  border-radius: var(--yy-radius);
  background: linear-gradient(120deg, rgba(34, 211, 238, 0.1), rgba(167, 139, 250, 0.12));
}

.page-contact .pc-next__text {
  margin: 0;
  color: var(--yy-text);
  line-height: 1.8;
}

.page-contact .pc-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 780px) {
  .page-contact .pc-next {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 24px;
  }
}

/* ---------- 窄屏兜底 ---------- */

@media (max-width: 420px) {
  .page-contact .yy-accordion__trigger {
    flex-wrap: wrap;
    row-gap: 6px;
  }

  .page-contact .yy-accordion__meta {
    order: -1;
    width: 100%;
  }

  .page-contact .pc-fact__head {
    flex-wrap: wrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-type,
  .page-contact .yy-copy,
  .page-contact .yy-accordion__icon::before,
  .page-contact .yy-accordion__icon::after {
    transition: none;
  }

  .page-contact .pc-type:hover,
  .page-contact .yy-copy:hover {
    transform: none;
  }
}