.page-contact {
  --ct-gap: clamp(18px, 2.6vw, 34px);
  --ct-pad: clamp(20px, 3vw, 38px);
}

.page-contact a:focus-visible,
.page-contact button:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

.page-contact .contact-hero {
  padding-top: 0;
}

.page-contact .contact-hero__frame {
  padding: clamp(46px, 5vw, 62px) clamp(20px, 3.2vw, 42px) clamp(24px, 3vw, 38px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: var(--ct-gap);
  align-items: end;
}

.page-contact .contact-hero__copy h1 {
  margin: 10px 0 16px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(36px, 8vw, 74px);
  line-height: 0.96;
  letter-spacing: -0.02em;
  color: var(--bone);
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .contact-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 26px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--silver);
}

.page-contact .contact-hero__stats b {
  color: var(--lime);
  font-weight: 700;
  margin-right: 4px;
}

.page-contact .contact-hero__media {
  margin: 0;
  border: 1px solid var(--line);
  aspect-ratio: 5 / 4;
  overflow: hidden;
  background: var(--ink-2);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.06);
}

/* 渠道轨道 + 纠错说明 */
.page-contact .contact-split {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .contact-rail h2,
.page-contact .contact-brief__frame h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--bone);
}

.page-contact .contact-rail h2 {
  font-size: clamp(24px, 3.4vw, 34px);
}

.page-contact .contact-rail__note {
  margin: 8px 0 20px;
  font-size: 14px;
  color: var(--silver);
}

.page-contact .channel-card {
  position: relative;
  margin-bottom: 14px;
  padding: 20px 18px 18px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(28, 68, 56, 0.42), rgba(11, 31, 26, 0) 68%);
  transition: border-color 0.24s var(--ease), background-color 0.24s var(--ease);
}

.page-contact .channel-card::before,
.page-contact .channel-card::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  border-top: 1px solid var(--lime);
  border-left: 1px solid var(--lime);
  opacity: 0;
  transition: opacity 0.24s var(--ease);
}

.page-contact .channel-card::before {
  top: 6px;
  left: 6px;
}

.page-contact .channel-card::after {
  right: 6px;
  bottom: 6px;
  transform: rotate(180deg);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  border-color: var(--lime);
}

.page-contact .channel-card:hover::before,
.page-contact .channel-card:hover::after,
.page-contact .channel-card:focus-within::before,
.page-contact .channel-card:focus-within::after {
  opacity: 1;
}

.page-contact .channel-card__index {
  display: block;
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--moss);
}

.page-contact .channel-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.02em;
  color: var(--bone);
}

.page-contact .channel-card__value {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.1vw, 17px);
  font-variant-numeric: tabular-nums;
  line-height: 1.5;
  color: var(--lime);
  word-break: break-all;
}

.page-contact .channel-card__value--text {
  font-family: var(--font-body);
  font-size: 16px;
  letter-spacing: 0.01em;
  color: var(--bone);
  word-break: normal;
}

.page-contact .channel-card__use {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--silver);
}

.page-contact .channel-card .meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--stone);
}

.page-contact .contact-brief {
  display: grid;
  gap: var(--ct-gap);
  align-content: start;
}

.page-contact .contact-brief__media {
  margin: 0;
  border: 1px solid var(--line);
  aspect-ratio: 1 / 1;
  max-height: 280px;
  overflow: hidden;
  background: radial-gradient(circle at 30% 20%, rgba(28, 68, 56, 0.9), var(--ink) 70%);
}

.page-contact .contact-brief__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.92;
}

.page-contact .contact-brief__frame {
  padding: clamp(42px, 4.6vw, 56px) var(--ct-pad) clamp(22px, 3vw, 32px);
}

.page-contact .contact-brief__frame h3 {
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.3;
  margin-bottom: 16px;
}

.page-contact .contact-steps {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-contact .contact-steps li {
  display: flex;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.65;
  color: var(--silver);
}

.page-contact .contact-steps li:last-child {
  border-bottom: 0;
}

.page-contact .contact-steps .num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--moss);
  padding-top: 2px;
}

.page-contact .contact-steps b {
  display: block;
  font-family: var(--font-head);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--bone);
}

.page-contact .contact-brief__frame .meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
}

/* 分流切换 */
.page-contact .section-head {
  margin-bottom: var(--ct-gap);
}

.page-contact .section-head h2 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 36px);
  letter-spacing: -0.02em;
  color: var(--bone);
}

.page-contact .section-head p {
  margin: 0;
  max-width: 46em;
  font-size: 15px;
  color: var(--silver);
}

.page-contact .contact-tabs__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-panel {
  padding: 0;
}

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

.page-contact .contact-panel__grid h3 {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(19px, 2.4vw, 24px);
  letter-spacing: 0.01em;
  color: var(--bone);
}

.page-contact .contact-panel__grid p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver);
  max-width: 38em;
}

.page-contact .contact-panel__grid a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-panel__meta {
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-panel__meta .tag {
  display: inline-block;
  margin: 0 0 14px;
}

.page-contact .contact-panel__facts {
  margin: 0 0 16px;
}

.page-contact .contact-panel__facts div {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
}

.page-contact .contact-panel__facts div:last-child {
  border-bottom: 0;
}

.page-contact .contact-panel__facts dt {
  flex: 0 0 5.2em;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--stone);
}

.page-contact .contact-panel__facts dd {
  margin: 0;
  flex: 1 1 10em;
  font-size: 14px;
  color: var(--bone);
}

.page-contact .contact-panel__facts dd.num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--lime);
  word-break: break-all;
}

.page-contact .contact-speed {
  --w: 60%;
  display: block;
  height: 6px;
  background: var(--line);
  overflow: hidden;
}

.page-contact .contact-speed::after {
  content: "";
  display: block;
  height: 100%;
  width: var(--w);
  background: var(--lime);
  transition: width 0.4s var(--ease);
}

.page-contact .contact-speed--fast {
  --w: 100%;
}

.page-contact .contact-speed--mid {
  --w: 68%;
  background: linear-gradient(90deg, var(--line), rgba(255, 106, 43, 0.18));
}

.page-contact .contact-speed--mid::after {
  background: var(--moss);
}

.page-contact .contact-speed--slow {
  --w: 44%;
}

.page-contact .contact-speed--slow::after {
  background: var(--orange);
}

/* 合作与媒体 */
.page-contact .contact-partner__grid {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .contact-partner__intro h2 {
  margin: 8px 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--bone);
}

.page-contact .contact-partner__intro p {
  margin: 0 0 14px;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .contact-partner__intro .meta {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--stone);
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}

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

.page-contact .partner-card {
  padding: 20px 20px 18px;
  border: 1px solid var(--line);
  border-left-width: 3px;
  background: rgba(16, 48, 42, 0.6);
}

.page-contact .partner-card--lime {
  border-left-color: var(--lime);
}

.page-contact .partner-card--clay {
  border-left-color: var(--clay);
}

.page-contact .partner-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--bone);
}

.page-contact .partner-card p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--silver);
}

.page-contact .partner-card a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .partner-card__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--bone);
  padding-bottom: 3px;
  border-bottom: 1px solid var(--line);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .partner-card__link::after {
  content: "→";
  color: var(--silver);
}

.page-contact .partner-card__link:hover {
  color: var(--lime);
  border-color: var(--lime);
}

/* 收尾 */
.page-contact .contact-next__grid {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .contact-next__intro h2 {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 30px);
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-contact .contact-next__intro p {
  margin: 0;
  max-width: 30em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver);
  word-break: break-all;
}

.page-contact .contact-next__links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-next__links a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 18px;
  padding: 15px 2px 15px 0;
  border-bottom: 1px solid var(--line);
  color: var(--bone);
  font-family: var(--font-head);
  font-size: 16px;
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-contact .contact-next__links a span {
  flex: 1 1 14em;
  order: 2;
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0;
  color: var(--stone);
  text-align: right;
}

.page-contact .contact-next__links a::after {
  content: "→";
  order: 3;
  font-family: var(--font-mono);
  color: var(--silver);
}

.page-contact .contact-next__links a:hover {
  color: var(--lime);
  padding-left: 8px;
}

.page-contact .contact-next__links a:hover span {
  color: var(--silver);
}

@media (min-width: 760px) {
  .page-contact .contact-panel__grid {
    grid-template-columns: 1.55fr 1fr;
    gap: clamp(20px, 3vw, 40px);
  }

  .page-contact .contact-panel__meta {
    padding-top: 0;
    padding-left: 22px;
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .page-contact .contact-next__links a span {
    text-align: left;
    order: 1;
    flex: 0 1 auto;
    margin-right: auto;
  }

  .page-contact .contact-next__links {
    border-top: 1px solid var(--line);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding-top: 0;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: clamp(24px, 3.4vw, 48px);
  }

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

  .page-contact .contact-brief {
    grid-template-columns: 1fr;
  }

  .page-contact .contact-brief__media {
    max-height: 220px;
    aspect-ratio: 16 / 7;
  }

  .page-contact .contact-partner__grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-contact .contact-partner__cards {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .contact-next__grid {
    grid-template-columns: 4fr 8fr;
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-brief {
    grid-template-columns: 1fr;
  }

  .page-contact .contact-brief__media {
    aspect-ratio: 16 / 9;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .channel-card::before,
  .page-contact .channel-card::after,
  .page-contact .contact-next__links a,
  .page-contact .partner-card__link {
    transition: none;
  }
}