.page-contact {
  --pc-gap-lg: clamp(48px, 7vw, 88px);
  color: var(--ht-ink);
  padding-bottom: clamp(56px, 8vw, 112px);
}

.page-contact .pc-breadcrumb {
  margin-bottom: clamp(20px, 3vw, 32px);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  max-width: 880px;
}

.page-contact .pc-hero__title {
  margin: 14px 0 20px;
  max-width: 20ch;
  color: var(--ht-ink);
}

.page-contact .pc-hero__lead {
  max-width: 64ch;
  color: var(--ht-graphite);
}

.page-contact .pc-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-hero-figure {
  margin: clamp(32px, 5vw, 56px) 0 0;
}

.page-contact .pc-hero-figure__frame {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--ht-ink);
  background: var(--ht-mist);
  box-shadow: 6px 6px 0 rgba(26, 26, 46, 0.12);
}

.page-contact .pc-hero-figure__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 分屏骨架 ---------- */
.page-contact .pc-split {
  display: grid;
  gap: clamp(32px, 5vw, 56px);
  margin-top: var(--pc-gap-lg);
}

@media (min-width: 1024px) {
  .page-contact .pc-split {
    grid-template-columns: minmax(260px, 300px) minmax(0, 1fr);
    gap: clamp(28px, 3vw, 48px);
    align-items: start;
  }
}

/* ---------- 左栏：联系渠道票根卡 ---------- */
.page-contact .pc-channels {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .pc-channels__title {
  margin: 0;
}

.page-contact .pc-channels__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ht-graphite);
}

@media (min-width: 640px) and (max-width: 1023px) {
  .page-contact .pc-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .pc-channels__title,
  .page-contact .pc-channels__note {
    grid-column: 1 / -1;
  }
}

.page-contact .pc-channel {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 18px 34px 18px 18px;
  background: var(--ht-mist);
  border: 1px solid var(--ht-ink);
  transition: transform 180ms var(--ht-ease), border-color 180ms var(--ht-ease);
}

.page-contact .pc-channel::after {
  content: "";
  position: absolute;
  inset-block: 10px;
  inset-inline-end: 12px;
  width: 8px;
  background-image: radial-gradient(circle at 50% 50%, rgba(26, 26, 46, 0.34) 2px, transparent 2.2px);
  background-size: 8px 13px;
  background-repeat: repeat-y;
}

.page-contact .pc-channel:hover {
  transform: translateY(-4px);
  border-color: var(--ht-blue);
}

.page-contact .pc-icon {
  display: block;
  width: 32px;
  height: 32px;
  margin-bottom: 4px;
}

.page-contact .pc-channel__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ht-graphite);
}

.page-contact .pc-channel__value {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ht-blue-deep);
  overflow-wrap: anywhere;
}

.page-contact .pc-channel__value--addr {
  font-size: 14.5px;
  font-weight: 500;
  line-height: 1.7;
}

.page-contact .pc-channel__hint {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--ht-graphite);
}

/* ---------- 右栏：主体内容 ---------- */
.page-contact .pc-main {
  display: grid;
  gap: clamp(44px, 6vw, 76px);
  min-width: 0;
}

.page-contact .pc-block {
  min-width: 0;
}

.page-contact .pc-block__lead {
  margin: 12px 0 0;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ht-graphite);
}

/* 咨询准备清单 */
.page-contact .pc-prep {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ht-blue-line);
}

.page-contact .pc-prep__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--ht-blue-line);
}

.page-contact .pc-prep__box {
  appearance: none;
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  margin: 3px 0 0;
  display: grid;
  place-content: center;
  border: 1px solid var(--ht-ink);
  background: var(--ht-mist);
  cursor: pointer;
  transition: background-color 140ms var(--ht-ease), border-color 140ms var(--ht-ease);
}

.page-contact .pc-prep__box::after {
  content: "";
  width: 10px;
  height: 5px;
  border-left: 2px solid #FFFFFF;
  border-bottom: 2px solid #FFFFFF;
  transform: rotate(-45deg) translate(1px, -1px) scale(0);
  transition: transform 140ms var(--ht-ease);
}

.page-contact .pc-prep__box:checked {
  background: var(--ht-blue);
  border-color: var(--ht-blue-deep);
}

.page-contact .pc-prep__box:checked::after {
  transform: rotate(-45deg) translate(1px, -1px) scale(1);
}

.page-contact .pc-prep__box:focus-visible {
  outline: 3px solid var(--ht-orange);
  outline-offset: 2px;
}

.page-contact .pc-prep__body {
  display: grid;
  gap: 6px;
  cursor: pointer;
}

.page-contact .pc-prep__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .pc-prep__num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ht-orange);
}

.page-contact .pc-prep__title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
}

.page-contact .pc-prep__desc {
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ht-graphite);
}

.page-contact .pc-prep__box:checked ~ .pc-prep__body {
  opacity: 0.6;
}

/* 机构合作 */
.page-contact .pc-partner {
  display: grid;
  gap: clamp(24px, 4vw, 36px);
  margin-top: 24px;
}

@media (min-width: 800px) {
  .page-contact .pc-partner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

.page-contact .pc-partner__intro {
  margin: 0;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--ht-graphite);
}

.page-contact .pc-partner__list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-contact .pc-partner__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ht-graphite);
}

.page-contact .pc-partner__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 8px;
  height: 8px;
  background: linear-gradient(135deg, var(--ht-blue), var(--ht-blue-soft));
  transform: translateY(-50%) rotate(45deg);
}

.page-contact .pc-partner__list strong {
  font-weight: 700;
  color: var(--ht-ink);
}

.page-contact .pc-partner__cta {
  margin: 22px 0 0;
  padding: 14px 16px;
  background: var(--ht-mist);
  border-left: 3px solid var(--ht-orange);
  font-size: 15px;
  line-height: 1.85;
  color: var(--ht-ink);
}

.page-contact .pc-partner__figure {
  margin: 0;
}

.page-contact .pc-partner__frame {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid var(--ht-ink);
  background: var(--ht-mist);
}

.page-contact .pc-partner__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* 回复节奏 */
.page-contact .pc-reply {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

@media (min-width: 700px) {
  .page-contact .pc-reply {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .pc-reply__card {
  padding: 22px 22px 24px;
  background: var(--ht-mist);
  border: 1px solid var(--ht-ink);
  box-shadow: 3px 3px 0 rgba(26, 26, 46, 0.1);
}

.page-contact .pc-reply__card--on {
  box-shadow: 3px 3px 0 var(--ht-blue);
}

.page-contact .pc-reply__tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ht-graphite);
}

.page-contact .pc-reply__big {
  margin: 10px 0 12px;
  font-size: clamp(1.4rem, 2.6vw, 1.85rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--ht-blue-deep);
}

.page-contact .pc-reply__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ht-graphite);
}

/* 高频问题 */
.page-contact .pc-links {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .pc-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  background: var(--ht-mist);
  border: 1px solid var(--ht-blue-line);
  color: var(--ht-ink);
  font-size: 15px;
  line-height: 1.65;
  text-decoration: none;
  transition: transform 180ms var(--ht-ease), border-color 180ms var(--ht-ease), background-color 180ms var(--ht-ease);
}

.page-contact .pc-link::after {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-top: 1.5px solid var(--ht-blue);
  border-right: 1.5px solid var(--ht-blue);
  transform: rotate(45deg);
}

.page-contact .pc-link:hover {
  transform: translateX(4px);
  border-color: var(--ht-orange);
  background: var(--ht-cream);
}

.page-contact .pc-link:focus-visible {
  outline: 3px solid var(--ht-orange);
  outline-offset: 2px;
}

/* ---------- 结尾索引条 ---------- */
.page-contact .pc-strip {
  display: grid;
  gap: 18px;
  margin-top: var(--pc-gap-lg);
  padding: 26px 24px;
  background: var(--ht-ink);
  color: var(--ht-cream);
}

@media (min-width: 760px) {
  .page-contact .pc-strip {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 36px;
  }
}

.page-contact .pc-strip__lead {
  margin: 0;
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--ht-cream);
}

.page-contact .pc-strip__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
}

.page-contact .pc-strip__link {
  padding-bottom: 2px;
  color: var(--ht-cream);
  font-size: 15px;
  text-decoration: none;
  border-bottom: 1px solid rgba(246, 241, 231, 0.36);
  transition: color 180ms var(--ht-ease), border-color 180ms var(--ht-ease);
}

.page-contact .pc-strip__link:hover {
  color: var(--ht-orange-soft);
  border-color: var(--ht-orange-soft);
}

.page-contact .pc-strip__link:focus-visible {
  outline: 3px solid var(--ht-orange);
  outline-offset: 3px;
}

/* ---------- 滚动渐显 ---------- */
.page-contact [data-reveal] {
  opacity: 1;
}

@media (prefers-reduced-motion: no-preference) {
  .page-contact [data-reveal] {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 420ms var(--ht-ease), transform 420ms var(--ht-ease);
  }
  .page-contact [data-reveal].is-visible {
    opacity: 1;
    transform: none;
  }
}
</main>