.page-contact {
  background: var(--mist);
  color: var(--ink);
  overflow-x: hidden;
}

.page-contact .pc-crumb {
  padding-top: 20px;
  padding-bottom: 6px;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  width: min(100% - 32px, var(--wrap));
  margin: 14px auto 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  color: var(--on-dark);
  background:
    radial-gradient(115% 85% at 88% 4%, rgba(201, 154, 61, 0.26) 0%, rgba(201, 154, 61, 0) 58%),
    linear-gradient(154deg, var(--xue-deep) 0%, var(--xue) 60%, #4B8A9C 100%);
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  top: -45%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: rgba(255, 255, 255, 0.06);
  transform: rotate(17deg);
  pointer-events: none;
}

.page-contact .pc-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
  padding: clamp(34px, 5.5vw, 68px) clamp(22px, 4vw, 56px) clamp(38px, 6vw, 72px);
}

.page-contact .pc-hero__tag {
  display: inline-block;
  margin: 0;
}

.page-contact .pc-hero__title {
  margin: 18px 0 0;
  max-width: 13em;
  font-size: clamp(31px, 4.6vw, 56px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #FFFFFF;
}

.page-contact .pc-hero__lede {
  margin: 20px 0 0;
  max-width: 42em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--on-dark-soft);
}

.page-contact .pc-hero__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .pc-hero .pill--ghost {
  background: transparent;
  color: var(--on-dark);
  border: 1px solid var(--on-dark-line);
}

.page-contact .pc-hero .pill--ghost:hover {
  border-color: rgba(233, 241, 243, 0.5);
}

/* 渠道列表 */
.page-contact .pc-channels {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-channel {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "key label"
    "value value"
    "hint hint";
  align-items: center;
  gap: 6px 12px;
  padding: 20px 24px;
  border-radius: var(--radius-lg);
  background: rgba(246, 249, 250, 0.09);
  border: 1px solid var(--on-dark-line);
}

.page-contact .pc-channel__key {
  grid-area: key;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  padding: 4px 8px;
  border-radius: var(--pill);
  background: rgba(201, 154, 61, 0.22);
  color: var(--gold-pale);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.page-contact .pc-channel__label {
  grid-area: label;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--on-dark-soft);
}

.page-contact .pc-channel__value {
  grid-area: value;
  margin-top: 8px;
  font-size: clamp(16px, 2.1vw, 20px);
  font-weight: 500;
  color: #FFFFFF;
  word-break: break-word;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: color 0.2s var(--ease);
}

.page-contact .pc-channel__value:hover {
  color: var(--gold-pale);
}

.page-contact .pc-channel__value.is-copied {
  color: var(--gold);
}

.page-contact .pc-channel__value--addr {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  cursor: default;
}

.page-contact .pc-channel__hint {
  grid-area: hint;
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--on-dark-soft);
}

/* ---------- 通用章节头 ---------- */
.page-contact .section {
  padding: clamp(56px, 8vw, 104px) 0;
}

.page-contact .pc-head {
  max-width: 62ch;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-contact .pc-head .tag-mono {
  display: inline-block;
  margin-bottom: 16px;
}

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

.page-contact .pc-head .section__lede {
  margin-top: 16px;
}

/* ---------- 流程 ---------- */
.page-contact .pc-flow-section {
  background: var(--canvas);
}

.page-contact .pc-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-contact .pc-flow__step {
  position: relative;
  padding-left: 66px;
}

.page-contact .pc-flow__step::before {
  content: "";
  position: absolute;
  left: 25px;
  top: 54px;
  bottom: -32px;
  width: 1.5px;
  background: var(--line);
}

.page-contact .pc-flow__step:last-child::before {
  display: none;
}

.page-contact .pc-flow__num {
  position: absolute;
  left: 0;
  top: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--xue);
  color: #FFFFFF;
  font-size: 15px;
  font-family: var(--font-mono);
}

.page-contact .pc-flow__step:nth-child(2) .pc-flow__num {
  background: var(--xue-deep);
}

.page-contact .pc-flow__step:nth-child(3) .pc-flow__num {
  background: var(--gold);
  color: var(--ink);
}

.page-contact .pc-flow__step:nth-child(4) .pc-flow__num {
  background: var(--gold-dark);
  color: #FFFFFF;
}

.page-contact .pc-flow__title {
  margin: 12px 0 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-contact .pc-flow__text {
  margin: 10px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--graphite);
  max-width: 44em;
}

.page-contact .pc-figure {
  margin: clamp(34px, 5vw, 56px) 0 0;
}

.page-contact .pc-figure .figure__frame {
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--xue-pale);
}

.page-contact .pc-figure .figure__frame--tall {
  border-radius: var(--radius-lg);
}

.page-contact .pc-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .pc-figure .figure__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite);
}

/* ---------- 留言分类 ---------- */
.page-contact .pc-kinds {
  background: var(--xue-pale);
}

.page-contact .pc-kind-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .pc-kind {
  display: flex;
  flex-direction: column;
  padding: 26px 26px 28px;
  border-radius: var(--radius-lg);
  background: var(--canvas);
  border-top: 3px solid var(--xue);
}

.page-contact .pc-kind--fix {
  border-top-color: var(--gold);
}

.page-contact .pc-kind--idea {
  border-top-color: var(--xue-deep);
}

.page-contact .pc-kind--ux {
  border-top-color: var(--xue);
}

.page-contact .pc-kind--coop {
  border-top-color: var(--grape);
}

.page-contact .pc-kind__tag {
  align-self: flex-start;
  margin-bottom: 16px;
}

.page-contact .pc-kind__title {
  margin: 0;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .pc-kind__text {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--graphite);
}

.page-contact .pc-kinds__foot {
  margin: clamp(26px, 4vw, 40px) 0 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite);
}

.page-contact .pc-kinds__foot a {
  color: var(--xue-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 值守时段 ---------- */
.page-contact .pc-hours {
  background: var(--mist);
}

.page-contact .pc-hours__box {
  padding: clamp(30px, 5vw, 60px);
  border-radius: var(--radius-xl);
  background: var(--canvas);
  border: 1px solid var(--line);
}

.page-contact .pc-hours__title {
  margin: 16px 0 0;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.page-contact .pc-hours__clock {
  margin: 22px 0 0;
  font-size: clamp(22px, 4.2vw, 42px);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--xue-deep);
}

.page-contact .pc-hours__clock-zone {
  display: inline-block;
  margin-left: 10px;
  padding: 5px 12px;
  border-radius: var(--pill);
  background: var(--gold-pale);
  color: var(--gold-ink);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  vertical-align: middle;
}

.page-contact .pc-hours__notes {
  margin-top: 26px;
  max-width: 70ch;
}

.page-contact .pc-hours__notes p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--graphite);
}

.page-contact .pc-hours__notes p:last-child {
  margin-bottom: 0;
}

/* ---------- 合作共建 ---------- */
.page-contact .pc-coop {
  background: linear-gradient(160deg, var(--xue-deep) 0%, #1F4552 100%);
  color: var(--on-dark);
}

.page-contact .pc-head--dark {
  max-width: 62ch;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-contact .pc-head--dark .tag-mono {
  display: inline-block;
  margin-bottom: 16px;
}

.page-contact .pc-head--dark .section__title {
  margin: 0;
  color: #FFFFFF;
}

.page-contact .pc-head--dark .section__lede {
  margin-top: 16px;
  color: var(--on-dark-soft);
}

.page-contact .pc-coop__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-contact .pc-coop__item {
  padding: 28px 26px 30px;
  border-radius: var(--radius-lg);
  background: rgba(246, 249, 250, 0.07);
  border: 1px solid var(--on-dark-line);
}

.page-contact .pc-coop__idx {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--pill);
  background: var(--grape);
  color: #FFFFFF;
  font-size: 11px;
  letter-spacing: 0.1em;
}

.page-contact .pc-coop__title {
  margin: 18px 0 0;
  font-size: 22px;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.01em;
}

.page-contact .pc-coop__text {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--on-dark-soft);
}

.page-contact .pc-coop__list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-contact .pc-coop__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--on-dark);
}

.page-contact .pc-coop__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
}

.page-contact .pc-coop__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--on-dark-soft);
}

.page-contact .pc-coop__note a {
  color: var(--gold-pale);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 信函与寄送 ---------- */
.page-contact .pc-post {
  background: var(--canvas);
}

.page-contact .pc-post__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

.page-contact .pc-post__title {
  margin: 16px 0 20px;
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.page-contact .pc-post__body p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--graphite);
  max-width: 62ch;
}

.page-contact .pc-post__addr {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  margin: 26px 0 0;
  padding: 20px 24px;
  border-radius: var(--radius-md);
  background: var(--xue-pale);
  border: 1px solid var(--line);
}

.page-contact .pc-post__addr-label {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--grape);
}

.page-contact .pc-post__addr-value {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .pc-post__fine {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-contact .pc-post__fine a {
  color: var(--xue-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .pc-figure--side {
  margin: 0;
}

/* ---------- 收束 ---------- */
.page-contact .pc-closing {
  background: var(--xue-pale);
  padding: clamp(48px, 7vw, 84px) 0;
}

.page-contact .pc-closing__inner {
  display: grid;
  gap: 26px;
}

.page-contact .pc-closing__text {
  margin: 0;
  max-width: 40em;
  font-size: clamp(19px, 2.4vw, 26px);
  font-weight: 500;
  line-height: 1.7;
  letter-spacing: -0.01em;
  color: var(--xue-deep);
}

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

/* ---------- 移动端悬浮 ---------- */
.page-contact .dock {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  z-index: 40;
  pointer-events: none;
}

.page-contact .dock__btn {
  pointer-events: auto;
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--pill);
  background: var(--gold);
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 10px 24px rgba(28, 42, 48, 0.18);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-kind-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: 5fr 6fr;
    align-items: center;
  }

  .page-contact .pc-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }

  .page-contact .pc-flow__step {
    padding: 0 22px 0 0;
  }

  .page-contact .pc-flow__step::before {
    left: 52px;
    right: -6px;
    top: 26px;
    bottom: auto;
    width: auto;
    height: 1.5px;
    background: linear-gradient(90deg, var(--line), var(--line));
  }

  .page-contact .pc-flow__num {
    position: static;
  }

  .page-contact .pc-flow__title {
    margin-top: 20px;
  }

  .page-contact .pc-flow__text {
    max-width: 30ch;
  }

  .page-contact .pc-post__grid {
    grid-template-columns: 7fr 5fr;
  }

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

  .page-contact .pc-closing__inner {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 40px;
  }

  .page-contact .dock {
    display: none;
  }
}

@media (min-width: 1100px) {
  .page-contact .pc-kind-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .page-contact .pc-hero {
    width: min(100% - 20px, var(--wrap));
    border-radius: var(--radius-lg);
  }

  .page-contact .pc-channel {
    padding: 18px 18px 20px;
  }

  .page-contact .pc-hours__clock-zone {
    margin-left: 0;
    margin-top: 8px;
    display: block;
    width: fit-content;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    animation: none !important;
    transition: none !important;
  }
}