.page-contact {
  --contact-rule: 1px solid var(--line);
}

.page-contact .contact-hero {
  padding-block: clamp(16px, 3vw, 32px) clamp(20px, 4vw, 40px);
}

.page-contact .cmd-breadcrumb {
  margin-bottom: clamp(20px, 4vw, 38px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(16px, 3.4vw, 40px);
  align-items: end;
  padding-bottom: clamp(24px, 4.4vw, 48px);
}

.page-contact .contact-hero__title {
  margin: 0.16em 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 7.6vw, 76px);
  line-height: 0.98;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .contact-hero__lede {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.65;
  color: var(--paper);
}

.page-contact .contact-hero__hint {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--muted);
}

.page-contact .contact-hero__media {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: clamp(170px, 30vw, 300px);
  object-fit: cover;
  max-width: 100%;
}

.page-contact .cmd-section {
  padding-block: clamp(44px, 7vw, 88px);
}

.page-contact .contact-head {
  max-width: 54ch;
  margin-bottom: clamp(24px, 4vw, 42px);
}

.page-contact .contact-head .cmd-section__lede {
  max-width: 50ch;
}

/* ---------- 01 通道 ---------- */

.page-contact .contact-channel {
  display: grid;
  gap: 6px;
  padding-block: clamp(20px, 3.2vw, 32px);
  border-top: var(--contact-rule);
}

.page-contact .contact-channel--addr {
  border-bottom: var(--contact-rule);
}

.page-contact .contact-channel__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .contact-channel__label span {
  color: var(--line);
  letter-spacing: 0.06em;
}

.page-contact .contact-channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(19px, 4.6vw, 34px);
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .contact-channel__value--addr {
  font-size: clamp(18px, 3.8vw, 28px);
  line-height: 1.45;
  word-break: keep-all;
}

.page-contact .contact-channel__note {
  margin: 10px 0 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 02 回复时段 ---------- */

.page-contact .contact-reply__grid {
  display: grid;
  gap: clamp(24px, 4vw, 52px);
}

.page-contact .contact-reply__p {
  margin: 0 0 14px;
  max-width: 46ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .contact-timebar {
  display: block;
  width: 100%;
  height: auto;
  margin-top: clamp(18px, 3vw, 28px);
  max-width: 620px;
}

.page-contact .contact-timebar .tb-track {
  stroke: var(--line);
  stroke-width: 2;
}

.page-contact .contact-timebar .tb-fill {
  fill: var(--yellow);
  opacity: 0.18;
}

.page-contact .contact-timebar .tb-stroke {
  fill: none;
  stroke: var(--yellow);
  stroke-width: 2;
}

.page-contact .contact-timebar .tb-tick {
  stroke: var(--line);
  stroke-width: 2;
}

.page-contact .contact-timebar .tb-cap {
  fill: var(--yellow);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
}

.page-contact .contact-timebar .tb-label {
  fill: var(--muted);
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-contact .contact-reply__cap {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--muted);
  max-width: 52ch;
}

.page-contact .contact-reply__media {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-contact .contact-reply__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 200px;
  max-height: 400px;
  object-fit: cover;
  max-width: 100%;
}

/* ---------- 03 提问清单 ---------- */

.page-contact .contact-checks-wrap {
  max-width: 780px;
}

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

.page-contact .contact-check {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  align-items: start;
  gap: 12px;
  padding: clamp(14px, 2.4vw, 20px) clamp(14px, 2.4vw, 22px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-2);
  cursor: pointer;
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-contact .contact-check:hover {
  border-color: var(--muted);
}

.page-contact .contact-check__box {
  appearance: none;
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  margin: 1px 0 0;
  border: 2px solid var(--line);
  border-radius: 6px;
  background: transparent;
  position: relative;
  cursor: pointer;
  flex: none;
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

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

.page-contact .contact-check__box:checked::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 1px;
  width: 6px;
  height: 12px;
  border: 2px solid var(--ink);
  border-top: 0;
  border-left: 0;
  transform: rotate(42deg);
}

.page-contact .contact-check__box:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .contact-check:has(.contact-check__box:checked) {
  border-color: var(--yellow);
  background: rgba(255, 212, 0, 0.07);
}

.page-contact .contact-check__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--yellow);
  padding-top: 3px;
}

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

.page-contact .contact-check__body strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  letter-spacing: 0;
  color: var(--paper);
  margin-bottom: 4px;
}

.page-contact .contact-check__body em {
  display: block;
  font-style: normal;
  font-size: 15px;
  line-height: 1.65;
  color: var(--muted);
}

.page-contact .contact-checks__hint {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--muted);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .contact-checks-wrap:has(.contact-check__box:checked):not(:has(.contact-check__box:not(:checked))) .contact-checks__hint {
  color: var(--yellow);
  border-left-color: var(--yellow);
}

/* ---------- 04 合作 ---------- */

.page-contact .contact-coop__grid {
  display: grid;
  gap: 14px;
}

.page-contact .contact-coop__item {
  padding: clamp(18px, 3vw, 26px);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(7, 18, 14, 0.55);
}

.page-contact .contact-coop__tag {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-contact .contact-coop__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--paper);
}

.page-contact .contact-coop__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .contact-coop__foot {
  margin: clamp(20px, 3.4vw, 32px) 0 0;
  max-width: 62ch;
  padding-left: 14px;
  border-left: 2px solid var(--yellow);
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 05 自查 ---------- */

.page-contact .contact-prior__list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 780px;
}

.page-contact .contact-prior__item {
  border-top: var(--contact-rule);
}

.page-contact .contact-prior__item:last-child {
  border-bottom: var(--contact-rule);
}

.page-contact .contact-prior__link {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  align-items: baseline;
  justify-content: space-between;
  padding-block: clamp(14px, 2.4vw, 20px);
  text-decoration: none;
  color: var(--paper);
  transition: color 0.18s var(--ease);
}

.page-contact .contact-prior__q {
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.5;
}

.page-contact .contact-prior__go {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
  white-space: nowrap;
  transition: color 0.18s var(--ease);
}

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

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

@media (min-width: 720px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(28px, 4vw, 56px);
  }

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

@media (min-width: 880px) {
  .page-contact .contact-channel {
    grid-template-columns: 170px minmax(0, 1fr);
    align-items: start;
    column-gap: clamp(20px, 3vw, 48px);
  }

  .page-contact .contact-channel__label {
    padding-top: 0.6em;
  }

  .page-contact .contact-reply__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }
}

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