.page-contact {
  --c-cut-page: 18px;
  --c-cut-sm: 10px;
  padding-bottom: 0;
  overflow-wrap: break-word;
}

.page-contact .crumb {
  padding-top: clamp(20px, 4vw, 36px);
}

.page-contact .crumb a {
  color: var(--frost);
  text-decoration: none;
  transition: color .18s var(--ease);
}

.page-contact .crumb a:hover,
.page-contact .crumb a:focus-visible {
  color: var(--cyan);
}

.page-contact .crumb span[aria-current] {
  color: var(--ice);
}

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

/* ---------- 首屏 ---------- */

.page-contact .c-lead {
  display: grid;
  gap: 28px;
}

.page-contact .c-lead__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

@media (min-width: 900px) {
  .page-contact .c-lead {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, .7fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }

  .page-contact .c-lead__media {
    margin-top: clamp(24px, 6vw, 84px);
  }
}

/* ---------- 渠道台 ---------- */

.page-contact .c-desk {
  padding: clamp(22px, 4vw, 44px);
}

.page-contact .c-desk__lede {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
}

.page-contact .c-desk__grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(22px, 4vw, 36px);
}

.page-contact .c-desk__item {
  position: relative;
  padding: 18px 20px 20px 24px;
  border: 1px solid var(--line);
  border-radius: 0 var(--c-cut-sm) 0 var(--c-cut-sm);
  background: linear-gradient(160deg, var(--cyan-wash), transparent 62%);
}

.page-contact .c-desk__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 2px;
  background: var(--cyan);
  opacity: .6;
}

.page-contact .c-desk__k {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--frost);
}

.page-contact .c-desk__v {
  margin: 0;
  font-family: var(--f-mono);
  font-size: clamp(16px, 3.4vw, 21px);
  line-height: 1.35;
  color: var(--ice);
  overflow-wrap: anywhere;
}

.page-contact .c-desk__v--mail {
  color: var(--cyan);
}

.page-contact .c-desk__v--tel {
  letter-spacing: .08em;
}

.page-contact .c-desk__v--addr {
  font-size: clamp(15px, 3vw, 18px);
}

.page-contact .c-desk__note {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--frost);
}

.page-contact .c-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 9px;
  border-radius: 50%;
  background: var(--pulse);
  box-shadow: 0 0 0 4px rgba(192, 48, 62, .16);
  vertical-align: middle;
  animation: c-dot-pulse 2s var(--ease) infinite;
}

@keyframes c-dot-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .c-dot {
    animation: none;
  }
}

@media (min-width: 760px) {
  .page-contact .c-desk__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 事项分流 ---------- */

.page-contact .c-head {
  max-width: 62ch;
}

.page-contact .c-cases {
  display: grid;
  gap: 18px;
  margin-top: clamp(24px, 4vw, 40px);
}

.page-contact .c-case {
  padding: 22px 22px 26px;
}

.page-contact .c-case__no {
  margin: 0 0 12px;
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-contact .c-case h3 {
  margin: 0 0 10px;
  font-family: var(--f-head);
  font-size: 22px;
  letter-spacing: -.01em;
  color: var(--ice);
}

.page-contact .c-case p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

@media (min-width: 860px) {
  .page-contact .c-cases {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .c-case--a { margin-top: 0; }
  .page-contact .c-case--b { margin-top: 36px; }
  .page-contact .c-case--c { margin-top: 72px; }
}

/* ---------- 订阅 ---------- */

.page-contact .c-sub {
  display: grid;
  gap: 22px;
}

.page-contact .c-sub__side {
  padding: 22px;
}

.page-contact .c-list {
  list-style: none;
  margin: 14px 0 20px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .c-list li {
  position: relative;
  padding-left: 16px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .c-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-contact .c-list strong {
  font-weight: 600;
  color: var(--ice);
}

@media (min-width: 900px) {
  .page-contact .c-sub {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 52px);
    align-items: start;
  }
}

/* ---------- 投稿两栏 ---------- */

.page-contact .c-cols {
  display: grid;
  gap: 22px;
  margin-top: clamp(22px, 4vw, 36px);
}

@media (min-width: 820px) {
  .page-contact .c-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(28px, 4vw, 56px);
  }

  .page-contact .c-cols > *:last-child {
    margin-top: 46px;
  }
}

/* ---------- 回复节奏 ---------- */

.page-contact .c-resp {
  display: grid;
  gap: 28px;
}

.page-contact .c-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  border-left: 1px solid var(--line-2);
}

.page-contact .c-step {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0 18px 22px;
}

.page-contact .c-step::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 26px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--deep);
  border: 2px solid var(--cyan);
}

.page-contact .c-step__no {
  padding-top: 3px;
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--frost);
}

.page-contact .c-step h3 {
  margin: 0 0 6px;
  font-family: var(--f-head);
  font-size: 19px;
  color: var(--ice);
}

.page-contact .c-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

@media (min-width: 900px) {
  .page-contact .c-resp {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.25fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }
}

/* ---------- 备案带 ---------- */

.page-contact .c-filing {
  display: grid;
  gap: 22px;
  padding: clamp(18px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: 0 var(--c-cut-page) 0 var(--c-cut-page);
  background: linear-gradient(120deg, rgba(12, 27, 42, .92), rgba(4, 8, 13, .92));
}

.page-contact .c-kv {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
}

.page-contact .c-kv__row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line);
}

.page-contact .c-kv__row .kv__k {
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--frost);
}

.page-contact .c-kv__row .kv__v {
  font-family: var(--f-mono);
  font-size: 15px;
  color: var(--ice);
  overflow-wrap: anywhere;
}

.page-contact .c-filing__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--frost);
}

.page-contact .c-filing__note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .c-filing__note a:hover,
.page-contact .c-filing__note a:focus-visible {
  color: var(--gold);
}

@media (min-width: 880px) {
  .page-contact .c-filing {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 48px);
    align-items: center;
  }
}

/* ---------- 窄屏兜底 ---------- */

@media (max-width: 460px) {
  .page-contact .c-desk__item {
    padding: 16px 16px 18px 20px;
  }

  .page-contact .c-desk__v {
    font-size: 15px;
  }

  .page-contact .c-desk__v--tel {
    letter-spacing: .04em;
  }

  .page-contact .c-step {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }
}