.page-contact {
  --pc-card-gap: 18px;
  --pc-shadow: 8px 8px 0 rgba(70, 89, 107, 0.12);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero__grid {
  display: grid;
  gap: 30px;
}

.page-contact .contact-hero__kicker,
.page-contact .channel-card__tag,
.page-contact .contact-guide__kicker,
.page-contact .partnership__kicker {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-contact .contact-hero__intro h1 {
  margin: 12px 0 0;
  font-family: var(--f-cond);
  font-weight: 700;
  font-size: clamp(30px, 5.6vw, 46px);
  line-height: 1.16;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-contact .contact-hero__lede {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-contact .contact-hero__facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .contact-hero__facts li {
  border-top: 2px solid var(--amber);
  padding-top: 9px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-soft);
}

.page-contact .contact-hero__facts span {
  display: block;
  margin-bottom: 4px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.09em;
  color: var(--slate);
}

.page-contact .contact-hero__figure {
  margin: 0;
  background: var(--paper-lift);
}

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

/* ---------- 渠道区 ---------- */
.page-contact .contact-layout {
  display: grid;
  gap: 26px;
}

.page-contact .contact-cards {
  display: grid;
  gap: var(--pc-card-gap);
}

.page-contact .channel-card {
  position: relative;
  background: var(--paper-lift);
  border: 1px solid var(--line);
  border-left: 6px solid var(--turf-mid);
  box-shadow: var(--pc-shadow);
  padding: 20px 20px 22px;
}

.page-contact .channel-card--phone {
  border-left-color: var(--amber);
}

.page-contact .channel-card--post {
  border-left-color: var(--slate);
}

.page-contact .channel-card__value {
  margin: 10px 0 0;
  font-family: var(--f-mono);
  font-size: clamp(15px, 2.4vw, 19px);
  line-height: 1.5;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__title {
  margin: 14px 0 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--turf-deep);
}

.page-contact .channel-card__desc {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-contact .channel-card__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-contact .channel-card__list li {
  position: relative;
  padding-left: 17px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--slate);
}

.page-contact .channel-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 2px;
  background: var(--amber);
}

/* ---------- 提交指引 ---------- */
.page-contact .contact-guide {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 30px 22px 24px;
}

.page-contact .contact-guide::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: repeating-linear-gradient(
    90deg,
    var(--turf-deep) 0 12px,
    var(--turf-mid) 12px 14px
  );
}

.page-contact .contact-guide__title {
  margin: 10px 0 0;
  font-size: clamp(20px, 3vw, 26px);
  line-height: 1.35;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .contact-guide__lede {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .guide-list {
  counter-reset: pc-guide;
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .guide-list > li {
  counter-increment: pc-guide;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  border-top: 1px solid var(--line-soft);
  padding: 16px 0 14px;
}

.page-contact .guide-list > li::before {
  content: counter(pc-guide, decimal-leading-zero);
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--turf-mid);
  padding-top: 2px;
}

.page-contact .guide-list h4 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .guide-list p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--slate);
}

.page-contact .contact-guide__foot {
  margin: 18px 0 0;
  border-top: 1px solid var(--line-soft);
  padding-top: 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 回复节奏 ---------- */
.page-contact .reply-section {
  background: var(--paper-lift);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .reply-scale {
  margin-top: 30px;
}

.page-contact .reply-scale__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 26px;
}

.page-contact .reply-step {
  position: relative;
  border-left: 2px solid var(--line);
  padding: 0 0 4px 22px;
}

.page-contact .reply-step__tick {
  position: absolute;
  left: -9px;
  top: 2px;
  width: 14px;
  height: 14px;
  border: 2px solid var(--turf-mid);
  border-radius: 50%;
  background: var(--paper-lift);
}

.page-contact .reply-step__day {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--turf-mid);
}

.page-contact .reply-step__title {
  margin: 6px 0 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .reply-step__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--slate);
}

/* ---------- 合作共建 ---------- */
.page-contact .partnership {
  background: var(--turf-deep);
  color: var(--on-dark);
  padding: 34px 22px 30px;
  display: grid;
  gap: 28px;
}

.page-contact .partnership__kicker {
  color: var(--amber-soft);
}

.page-contact .partnership__title {
  margin: 10px 0 0;
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.3;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .partnership__lead p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--on-dark);
}

.page-contact .partnership__actions {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-contact .partnership__link {
  font-size: 14px;
  color: var(--amber-soft);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

.page-contact .partnership__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .partnership__list > li {
  border-left: 3px solid var(--amber);
  padding: 2px 0 2px 16px;
}

.page-contact .partnership__list h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .partnership__list p {
  margin: 7px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--on-dark);
}

/* ---------- 邮寄 ---------- */
.page-contact .postal {
  display: grid;
  gap: 24px;
}

.page-contact .postal__figure {
  margin: 0;
  background: var(--zebra);
}

.page-contact .postal__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-contact .postal__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--turf-deep);
}

.page-contact .postal__addr {
  margin: 12px 0 0;
  padding: 12px 16px;
  background: var(--amber-soft);
  color: var(--ink);
  font-family: var(--f-mono);
  font-size: 15px;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.page-contact .postal__body > p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
}

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

.page-contact .postal__list li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.68;
  color: var(--slate);
}

.page-contact .postal__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 12px;
  height: 2px;
  background: var(--turf-mid);
}

.page-contact .postal__foot {
  border-top: 1px solid var(--line-soft);
  padding-top: 14px;
  font-size: 13px;
  line-height: 1.72;
  color: var(--slate);
}

/* ---------- 响应式 ---------- */
@media (min-width: 680px) {
  .page-contact .contact-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .postal__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 20px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: center;
    gap: 46px;
  }

  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 34px;
    align-items: start;
  }

  .page-contact .contact-guide {
    padding: 34px 30px 28px;
  }

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

  .page-contact .reply-step {
    border-left: 0;
    border-top: 2px solid var(--line);
    padding: 26px 22px 0 0;
  }

  .page-contact .reply-step__tick {
    left: 0;
    top: -9px;
  }

  .page-contact .reply-step:last-child {
    padding-right: 0;
  }

  .page-contact .partnership {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
    padding: 44px 40px 40px;
  }

  .page-contact .postal {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 36px;
    align-items: start;
  }
}