.page-contact {
  --pc-gap: clamp(1.25rem, 3vw, 2.5rem);
  --pc-pad: clamp(1.15rem, 3vw, 2rem);
  --pc-section-pad: clamp(2.5rem, 6vw, 4.5rem);
  padding-bottom: clamp(3rem, 8vw, 6rem);
  color: var(--c-paper);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--c-line);
  padding: clamp(1.25rem, 3.5vw, 2.25rem) 0 clamp(2.5rem, 6vw, 4.25rem);
}

.page-contact .pc-hero__shot {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: -2;
}

.page-contact .pc-hero__shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
  filter: saturate(0.85);
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(15, 59, 53, 0.8), transparent 62%),
    linear-gradient(102deg, rgba(7, 17, 31, 0.96) 34%, rgba(7, 17, 31, 0.55) 74%, rgba(7, 17, 31, 0.93));
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(1.5rem, 4vw, 2.75rem);
  align-items: end;
}

.page-contact .pc-hero__copy .yb-title-xl {
  max-width: 18ch;
}

.page-contact .pc-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: clamp(1.25rem, 3vw, 1.75rem);
}

.page-contact .pc-stamp {
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-mint);
  border-radius: var(--radius);
  background: rgba(13, 27, 46, 0.78);
  padding: var(--pc-pad);
  display: grid;
  gap: 0.45rem;
  align-content: start;
}

.page-contact .pc-stamp__label {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--c-mist);
}

.page-contact .pc-stamp__time {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(1.5rem, 4.5vw, 2.1rem);
  line-height: 1.1;
  color: var(--c-mint);
  letter-spacing: -0.01em;
}

.page-contact .pc-stamp__meta {
  margin: 0;
  font-size: 0.85rem;
  color: var(--c-text-soft);
}

.page-contact .pc-stamp__tip {
  margin: 0.5rem 0 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--c-line);
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--c-mist);
}

/* ---------- 通用区块 ---------- */
.page-contact .pc-section {
  padding-top: var(--pc-section-pad);
}

.page-contact .pc-head {
  max-width: 62ch;
  display: grid;
  gap: 0.55rem;
}

.page-contact .pc-head .yb-title {
  margin: 0;
}

.page-contact .pc-head .yb-text {
  margin: 0;
}

/* ---------- 客服通道 ---------- */
.page-contact .pc-channels {
  display: grid;
  gap: 1px;
  margin-top: var(--pc-gap);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background: var(--c-line);
  overflow: hidden;
}

.page-contact .pc-channel {
  background: var(--c-ink-2);
  padding: var(--pc-pad);
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.page-contact .pc-channel--mail {
  background: linear-gradient(158deg, rgba(15, 59, 53, 0.9), rgba(13, 27, 46, 1) 64%);
  gap: 0.6rem;
}

.page-contact .pc-channel__label {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--c-mist);
}

.page-contact .pc-channel__label--spaced {
  margin-top: clamp(1rem, 3vw, 1.5rem);
  padding-top: clamp(1rem, 3vw, 1.5rem);
  border-top: 1px dashed rgba(27, 43, 68, 0.9);
}

.page-contact .pc-channel__value {
  margin: 0;
  max-width: 100%;
  font-family: var(--font-num);
  font-size: clamp(1rem, 3.6vw, 1.55rem);
  line-height: 1.35;
  color: var(--c-paper);
  word-break: break-all;
  border-bottom: 1px solid rgba(53, 242, 192, 0.5);
  padding-bottom: 0.4rem;
}

.page-contact .pc-channel__phone {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(1.85rem, 7.5vw, 3rem);
  line-height: 1;
  letter-spacing: -0.015em;
  color: var(--c-amber);
}

.page-contact .pc-channel__hours {
  margin: 0;
  font-size: clamp(1.05rem, 3.4vw, 1.35rem);
  color: var(--c-paper);
}

.page-contact .pc-channel__hours .yb-num {
  color: var(--c-mint);
  margin-right: 0.4rem;
}

.page-contact .pc-channel__hint {
  margin: 0.2rem 0 0;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--c-mist);
  max-width: 46ch;
}

.page-contact .pc-address {
  font-style: normal;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  background: rgba(15, 59, 53, 0.22);
}

/* ---------- 数据反馈 ---------- */
.page-contact .pc-feedback {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  margin-top: var(--pc-gap);
  align-items: start;
}

.page-contact .pc-feedback__media {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--c-line);
}

.page-contact .pc-feedback__media img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.02);
}

.page-contact .pc-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-contact .pc-check {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  gap: 0.7rem;
  align-items: start;
  padding: 0.85rem 1rem;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  background: var(--c-ink-2);
  cursor: pointer;
  transition: border-color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-contact .pc-check:hover,
.page-contact .pc-check:focus-within {
  border-color: rgba(53, 242, 192, 0.55);
  background: rgba(15, 59, 53, 0.32);
}

.page-contact .pc-check__box {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  margin: 0.22rem 0 0;
  border: 1px solid var(--c-mist);
  border-radius: 4px;
  background: transparent;
  position: relative;
  flex: none;
  transition: background var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-contact .pc-check__box:checked {
  background: var(--c-mint);
  border-color: var(--c-mint);
}

.page-contact .pc-check__box:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 2px;
  width: 5px;
  height: 9px;
  border-right: 2px solid var(--c-ink);
  border-bottom: 2px solid var(--c-ink);
  transform: rotate(40deg);
}

.page-contact .pc-check__box:focus-visible {
  outline: 2px solid var(--c-electric);
  outline-offset: 2px;
}

.page-contact .pc-check__num {
  font-family: var(--font-num);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--c-mint);
  padding-top: 0.32rem;
}

.page-contact .pc-check__text {
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--c-text-soft);
}

.page-contact .pc-check__text strong {
  display: block;
  margin-bottom: 0.15rem;
  color: var(--c-paper);
  font-weight: 700;
}

.page-contact .pc-feedback__acts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

/* ---------- 合作 ---------- */
.page-contact .pc-coop {
  list-style: none;
  margin: var(--pc-gap) 0 0;
  padding: 0;
  border-top: 1px solid var(--c-line);
}

.page-contact .pc-coop__item {
  display: grid;
  gap: 0.55rem;
  padding: clamp(1.1rem, 3vw, 1.7rem) 0.25rem;
  border-bottom: 1px solid var(--c-line);
  transition: background var(--t) var(--ease);
}

.page-contact .pc-coop__item:hover {
  background: rgba(27, 43, 68, 0.35);
}

.page-contact .pc-coop__idx {
  font-family: var(--font-num);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  color: var(--c-amber);
}

.page-contact .pc-coop__main .yb-title-sm {
  margin: 0 0 0.4rem;
}

.page-contact .pc-coop__main .yb-text {
  margin: 0;
  max-width: 54ch;
}

.page-contact .pc-coop__fit {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--c-mist);
  border-left: 2px solid var(--c-line);
  padding-left: 0.7rem;
}

.page-contact .pc-coop__note {
  margin: clamp(1rem, 3vw, 1.5rem) 0 0;
  font-size: 0.88rem;
  color: var(--c-mist);
}

.page-contact .pc-coop__note .yb-num {
  color: var(--c-mint);
  font-size: 1rem;
}

/* ---------- 回复节奏 ---------- */
.page-contact .pc-pace {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.page-contact .pc-pace__left {
  display: grid;
  gap: 0.6rem;
  max-width: 48ch;
}

.page-contact .pc-pace__left .yb-title {
  margin: 0;
}

.page-contact .pc-pace__left .yb-text {
  margin: 0;
}

.page-contact .pc-pace__crew {
  margin: 0.4rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px solid var(--c-line);
  font-size: 0.88rem;
  color: var(--c-mist);
}

.page-contact .pc-pace__crew .yb-num {
  color: var(--c-amber);
  font-size: 1rem;
}

.page-contact .pc-steps {
  list-style: none;
  margin: 0;
  padding: 0 0 0 1.5rem;
  border-left: 1px solid var(--c-line);
  display: grid;
  gap: 1.35rem;
}

.page-contact .pc-steps li {
  position: relative;
}

.page-contact .pc-steps li::before {
  content: "";
  position: absolute;
  left: -1.95rem;
  top: 0.42rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-mint);
  box-shadow: 0 0 0 4px rgba(53, 242, 192, 0.14);
}

.page-contact .pc-steps li:last-child::before {
  background: var(--c-amber);
  box-shadow: 0 0 0 4px rgba(255, 181, 71, 0.14);
}

.page-contact .pc-steps__title {
  margin: 0 0 0.3rem;
  font-family: var(--font-head);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--c-paper);
}

.page-contact .pc-steps__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--c-mist);
}

/* ---------- 更多入口 ---------- */
.page-contact .pc-more__list {
  list-style: none;
  margin: var(--pc-gap) 0 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-contact .pc-more__link {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  background: var(--c-ink-2);
  color: var(--c-paper);
  text-decoration: none;
  transition: border-color var(--t) var(--ease), background var(--t) var(--ease), transform var(--t) var(--ease);
}

.page-contact .pc-more__link:hover,
.page-contact .pc-more__link:focus-visible {
  border-color: rgba(53, 242, 192, 0.6);
  background: rgba(15, 59, 53, 0.34);
}

.page-contact .pc-more__link > span:first-child {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.page-contact .pc-more__sub {
  font-size: 0.83rem;
  line-height: 1.65;
  color: var(--c-mist);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-contact .pc-more__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-feedback__media {
    max-width: 100%;
  }
}

@media (min-width: 860px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
  }

  .page-contact .pc-channels {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, 0.72fr);
  }

  .page-contact .pc-channel--mail {
    grid-row: span 2;
  }

  .page-contact .pc-coop__item {
    grid-template-columns: 3rem minmax(0, 1fr) minmax(0, 0.55fr);
    align-items: start;
    column-gap: 1.5rem;
  }

  .page-contact .pc-feedback {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }

  .page-contact .pc-pace {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }
}

@media (min-width: 1080px) {
  .page-contact .pc-hero__inner {
    padding-top: 0.5rem;
  }

  .page-contact .pc-checklist {
    gap: 0.7rem;
  }

  .page-contact .pc-more__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-check,
  .page-contact .pc-check__box,
  .page-contact .pc-coop__item,
  .page-contact .pc-more__link {
    transition: none;
  }
}