.page-contact .contact-hero {
  padding: clamp(26px, 5vw, 54px) 0 clamp(26px, 4vw, 40px);
  border-bottom: 1px solid var(--line-soft);
  position: relative;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: min(220px, 45%);
  height: 2px;
  background: linear-gradient(90deg, var(--lime), var(--ice));
  transform: skewX(-24deg);
  transform-origin: left center;
}

.page-contact .display-title {
  font-size: clamp(2.1rem, 6.6vw, 4.1rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 18ch;
  margin: 14px 0 18px;
}

.page-contact .lede {
  max-width: 62ch;
  color: var(--mist);
  font-size: clamp(15px, 2.1vw, 17px);
  line-height: 1.75;
}

.page-contact .hero-tags {
  margin-top: 22px;
}

.page-contact .section-head {
  margin-bottom: clamp(22px, 3.4vw, 34px);
}

.page-contact .section-head h2 {
  font-size: clamp(1.55rem, 4.2vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 10px 0 12px;
  max-width: 26ch;
}

.page-contact .section-head .lede {
  margin-top: 6px;
}

/* 通道卡片 */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 3.2vw, 30px);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(127, 216, 255, 0.1), transparent 62%),
    linear-gradient(158deg, var(--ink-2), #0a131f);
  border: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .channel-card--ember {
  background:
    radial-gradient(120% 90% at 0% 0%, rgba(255, 106, 71, 0.12), transparent 60%),
    linear-gradient(158deg, var(--ink-2), #0a131f);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  border-color: var(--ice);
  transform: translateY(-4px);
  box-shadow: var(--shadow-float);
}

.page-contact .channel-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
  margin: 0;
}

.page-contact .channel-value {
  font-family: var(--font-mono);
  font-size: clamp(1.02rem, 3.4vw, 1.38rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--snow);
  text-decoration: none;
  word-break: break-all;
  line-height: 1.35;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  align-self: flex-start;
}

.page-contact .channel-card--ember .channel-value {
  color: var(--ember);
}

.page-contact .channel-value:hover,
.page-contact .channel-value:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-contact .channel-desc {
  color: var(--mist);
  font-size: 15px;
  line-height: 1.72;
  margin: 0;
  max-width: 40ch;
}

.page-contact .channel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.page-contact .channel-actions .pill {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  font-family: inherit;
}

/* 时间窗口 */
.page-contact .time-window {
  margin-top: 16px;
  padding: clamp(18px, 3vw, 26px);
  border-radius: var(--radius-lg);
  background: rgba(14, 23, 36, 0.82);
  border: 1px solid var(--line-soft);
}

.page-contact .time-window-head {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.page-contact .time-window-head h3 {
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-contact .time-window-head p {
  margin: 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.7;
  max-width: 52ch;
}

.page-contact .time-track {
  height: 16px;
  border-radius: var(--pill);
  background:
    linear-gradient(90deg,
      var(--steel) 0 37.5%,
      var(--ice) 37.5%,
      var(--lime) 75%,
      var(--steel) 75% 100%);
  box-shadow: inset 0 0 0 1px rgba(6, 10, 16, 0.75);
}

.page-contact .time-scale {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mist);
}

.page-contact .time-scale span {
  text-align: center;
}

.page-contact .time-scale span:first-child {
  text-align: left;
}

.page-contact .time-scale span:last-child {
  text-align: right;
}

.page-contact .time-scale span:nth-child(2),
.page-contact .time-scale span:nth-child(3) {
  color: var(--ice);
}

/* 写信指南 */
.page-contact .mail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: start;
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: prep;
}

.page-contact .prep-list > li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-contact .prep-list > li:first-child {
  padding-top: 0;
}

.page-contact .prep-index {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--lime);
  letter-spacing: 0.06em;
  padding-top: 3px;
}

.page-contact .prep-body h3 {
  font-size: 1.04rem;
  font-weight: 800;
  margin: 0 0 6px;
  letter-spacing: -0.005em;
}

.page-contact .prep-body p {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.72;
}

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

.page-contact .contact-figure .media-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(150deg, #0b1622, #060a10);
}

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

.page-contact .contact-figure .media-caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .template-card {
  margin-top: 20px;
  padding: 20px;
  border-radius: var(--radius-lg);
  background: rgba(184, 255, 61, 0.06);
  border: 1px solid rgba(184, 255, 61, 0.32);
}

.page-contact .template-card h3 {
  margin: 0 0 12px;
  font-size: 1rem;
  font-weight: 800;
  color: var(--mint);
}

.page-contact .template-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .template-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.55;
  color: var(--snow);
  word-break: break-word;
}

.page-contact .template-tag {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink);
  background: var(--lime);
  border-radius: var(--pill);
  padding: 2px 9px;
  flex: none;
}

.page-contact .template-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

/* 合作 */
.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .partner-card {
  position: relative;
  padding: clamp(20px, 3vw, 26px);
  border-radius: var(--radius-lg);
  background: linear-gradient(162deg, rgba(29, 53, 80, 0.42), rgba(14, 23, 36, 0.9));
  border: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .partner-card:hover {
  border-color: var(--ice);
  transform: translateY(-3px);
}

.page-contact .partner-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ice);
  display: block;
  margin-bottom: 12px;
}

.page-contact .partner-card h3 {
  font-size: 1.06rem;
  font-weight: 800;
  margin: 0 0 8px;
}

.page-contact .partner-card p {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.72;
}

.page-contact .partner-card .partner-tag {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mint);
  letter-spacing: 0.02em;
}

.page-contact .partner-note {
  margin-top: 22px;
  padding: 18px 20px;
  border-left: 3px solid var(--lime);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: rgba(14, 23, 36, 0.7);
}

.page-contact .partner-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .partner-note a,
.page-contact .contact-cta a:not(.pill) {
  color: var(--ice);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .partner-note a:hover,
.page-contact .contact-cta a:not(.pill):hover {
  color: var(--lime);
}

/* 地址 */
.page-contact .address-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: start;
}

.page-contact .address-text h2 {
  font-size: clamp(1.55rem, 4.2vw, 2.3rem);
  line-height: 1.2;
  margin: 10px 0 20px;
  max-width: 20ch;
}

.page-contact .address-list {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-contact .address-row {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(14, 23, 36, 0.72);
  border: 1px solid var(--line-soft);
}

.page-contact .address-row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ice);
  margin-bottom: 6px;
}

.page-contact .address-row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--snow);
}

.page-contact .address-cta {
  margin-top: 20px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.page-contact .address-figure .media-frame {
  border-radius: var(--radius-xl);
}

/* 回复节奏 */
.page-contact .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .step-item {
  position: relative;
  padding: 20px;
  border-radius: var(--radius-md);
  background: rgba(14, 23, 36, 0.75);
  border: 1px solid var(--line);
  border-top: 2px solid var(--ice);
}

.page-contact .step-index {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--lime);
  display: block;
  line-height: 1;
  margin-bottom: 12px;
}

.page-contact .step-item h3 {
  font-size: 1.02rem;
  font-weight: 800;
  margin: 0 0 8px;
}

.page-contact .step-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

/* 结尾行动区 */
.page-contact .contact-cta {
  display: grid;
  gap: 22px;
  padding: clamp(24px, 4.4vw, 42px);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(184, 255, 61, 0.16), transparent 58%),
    linear-gradient(150deg, var(--ink-2), #08101a);
  border: 1px solid var(--line);
}

.page-contact .contact-cta h2 {
  font-size: clamp(1.4rem, 3.8vw, 2rem);
  line-height: 1.22;
  margin: 0 0 12px;
  max-width: 24ch;
}

.page-contact .contact-cta p {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.78;
  max-width: 56ch;
}

.page-contact .contact-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .contact-cta-actions .pill {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

@media (min-width: 700px) {
  .page-contact .channel-grid,
  .page-contact .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

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

  .page-contact .contact-cta {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-contact .contact-cta-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 960px) {
  .page-contact .partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .mail-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 40px;
  }

  .page-contact .address-block {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 44px;
    align-items: center;
  }

  .page-contact .step-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }

  .page-contact .step-item {
    padding: 22px 18px;
  }

  .page-contact .time-window {
    display: grid;
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    grid-template-areas:
      "head track"
      "head scale";
    align-items: center;
    column-gap: 32px;
    row-gap: 4px;
  }

  .page-contact .time-window-head {
    grid-area: head;
    margin-bottom: 0;
  }

  .page-contact .time-track {
    grid-area: track;
    align-self: end;
  }

  .page-contact .time-scale {
    grid-area: scale;
    margin-top: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .partner-card,
  .page-contact .channel-value {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .partner-card:hover {
    transform: none;
  }
}