.page-contact {
  --ct-card: rgba(6, 35, 27, .78);
  --ct-hair: rgba(53, 240, 192, .16);
  --ct-hair-strong: rgba(53, 240, 192, .42);
  --ct-panel: rgba(11, 53, 41, .55);

  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: var(--body-size);
  line-height: 1.7;
  overflow-x: hidden;
}

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

.page-contact .contact-crumb-sep {
  margin: 0 .5em;
  color: var(--muted);
}

/* ---------- 首屏 7:5 分屏 ---------- */

.page-contact .contact-hero {
  padding: 12px 0 56px;
}

.page-contact .contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}

.page-contact .contact-main h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 7.4vw, 4.2rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 18px 0 0;
  color: var(--paper);
}

.page-contact .contact-lead {
  max-width: 34em;
  margin: 20px 0 0;
  font-size: clamp(1rem, 2.4vw, 1.15rem);
  line-height: 1.7;
  color: var(--cyan-soft);
}

/* ---------- 渠道卡片堆叠 ---------- */

.page-contact .contact-cards {
  position: relative;
  margin-top: 34px;
  display: grid;
  gap: 14px;
}

.page-contact .contact-cards__texture {
  position: absolute;
  inset: -18px;
  width: calc(100% + 36px);
  height: calc(100% + 36px);
  object-fit: cover;
  opacity: .13;
  border-radius: 6px;
}

.page-contact .channel {
  position: relative;
  background: var(--ct-card);
  border: 1px solid var(--ct-hair);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius);
  padding: 18px 20px 18px 22px;
  transition: transform .32s var(--ease), border-color .32s var(--ease), background .32s var(--ease);
}

.page-contact .channel--quiet {
  border-left-color: var(--ink-600);
}

.page-contact .channel:hover {
  transform: translateY(-4px);
  border-color: var(--ct-hair-strong);
  border-left-color: var(--cyan);
  background: rgba(11, 53, 41, .94);
}

.page-contact .channel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.page-contact .channel__tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .16em;
  padding: 4px 12px 4px 14px;
  background: rgba(53, 240, 192, .12);
  color: var(--cyan);
  clip-path: polygon(9px 0, 100% 0, 100% 100%, 0 100%);
}

.page-contact .channel__idx {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-contact .channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.05rem, 4.2vw, 1.5rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  word-break: break-word;
}

.page-contact .channel__value a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 192, .38);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .channel__value a:hover {
  color: var(--paper);
  border-color: var(--paper);
}

.page-contact .channel__value--addr {
  font-family: var(--font-body);
  font-size: clamp(1rem, 3.8vw, 1.3rem);
  letter-spacing: 0;
}

.page-contact .channel__use {
  margin: 9px 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 右侧窄栏 ---------- */

.page-contact .contact-aside {
  display: grid;
  gap: 18px;
}

.page-contact .aside-block {
  background: var(--ct-panel);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 20px 22px 22px;
}

.page-contact .aside-block--facts {
  border-left: 3px solid var(--cyan);
  background: rgba(11, 53, 41, .72);
}

.page-contact .aside-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.06rem;
  letter-spacing: .01em;
  margin: 0 0 10px;
  color: var(--paper);
}

.page-contact .aside-clock {
  margin: 0 0 12px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

.page-contact .aside-clock__key {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-contact .aside-clock strong {
  font-size: clamp(1.1rem, 4vw, 1.45rem);
  font-weight: 700;
  letter-spacing: 0;
}

.page-contact .aside-text {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .aside-text:last-child {
  margin-bottom: 0;
}

.page-contact .facts-plate {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-contact .facts-list {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-contact .facts-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .facts-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .facts-row dt {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-contact .facts-mono {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  color: var(--paper);
  word-break: break-all;
}

.page-contact .facts-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

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

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

/* ---------- 斜向分隔 ---------- */

.page-contact .contact-slash {
  height: 1px;
  width: min(calc(100% - 2 * var(--pad)), var(--wrap));
  margin: 0 auto;
  background: linear-gradient(90deg, rgba(53, 240, 192, 0) 0%, var(--cyan) 24%, rgba(53, 240, 192, .22) 100%);
  transform: rotate(-1.1deg);
  transform-origin: center;
}

/* ---------- 线索 / 合作 分区 ---------- */

.page-contact .contact-flow {
  margin-top: 56px;
  padding: 60px 0 64px;
  background: var(--ink-700);
}

.page-contact .flow-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

.page-contact .flow-col h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.45rem, 5vw, 2.05rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  margin: 14px 0 18px;
  color: var(--paper);
}

.page-contact .flow-text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .tips {
  list-style: none;
  counter-reset: tip;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .tips li {
  counter-increment: tip;
  position: relative;
  padding-left: 46px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .tips li::before {
  content: counter(tip, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-contact .tips li strong {
  display: block;
  margin-bottom: 2px;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .coop-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .coop-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .coop-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 11px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .flow-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .flow-note a,
.page-contact .scene-desc a,
.page-contact .contact-tail a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 192, .34);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-contact .flow-note a:hover,
.page-contact .scene-desc a:hover,
.page-contact .contact-tail a:hover {
  color: var(--paper);
  border-color: var(--paper);
}

/* ---------- 场景对照 ---------- */

.page-contact .contact-scenes {
  padding: 68px 0 24px;
}

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

.page-contact .scenes-head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 5.4vw, 2.35rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 12px 0 0;
  color: var(--paper);
}

.page-contact .scenes-intro {
  margin: 0;
  font-size: 15px;
  color: var(--muted);
}

.page-contact .scene-list {
  list-style: none;
  margin: 32px 0 0;
  padding: 1px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-contact .scene-item {
  background: var(--ink-900);
  padding: 20px 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 9px;
  transition: background .3s var(--ease);
}

.page-contact .scene-item:hover {
  background: var(--ink-700);
}

.page-contact .scene-tag {
  align-self: flex-start;
  font-size: 12px;
  letter-spacing: .16em;
  padding: 4px 12px 4px 14px;
  background: var(--wash);
  color: var(--cyan);
  clip-path: polygon(9px 0, 100% 0, 100% 100%, 0 100%);
}

.page-contact .scene-channel {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .01em;
  color: var(--cyan-soft);
}

.page-contact .scene-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 收尾 ---------- */

.page-contact .contact-tail {
  margin: 0 0 64px;
  padding-top: 24px;
  border-top: 1px solid var(--line-soft);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-top {
  position: fixed;
  right: clamp(16px, 3vw, 28px);
  bottom: clamp(16px, 3vw, 28px);
  z-index: 20;
  background: rgba(6, 35, 27, .86);
  backdrop-filter: blur(6px);
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-contact .contact-hero {
    padding-top: 24px;
  }

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

  .page-contact .scenes-head {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 28px;
  }

  .page-contact .scenes-intro {
    text-align: right;
    max-width: 22em;
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-layout {
    grid-template-columns: 7fr 5fr;
    gap: 52px;
  }

  .page-contact .contact-hero {
    padding-top: 34px;
    padding-bottom: 72px;
  }

  .page-contact .contact-flow {
    margin-top: 72px;
    padding: 78px 0 80px;
  }

  .page-contact .flow-grid {
    grid-template-columns: 5fr 7fr;
    gap: 0;
  }

  .page-contact .flow-col {
    padding-right: 46px;
  }

  .page-contact .flow-col + .flow-col {
    padding-right: 0;
    padding-left: 46px;
    border-left: 1px solid var(--line);
  }

  .page-contact .contact-scenes {
    padding: 84px 0 28px;
  }
}

@media (min-width: 1180px) {
  .page-contact .scene-list {
    grid-template-columns: repeat(4, 1fr);
  }
}
</ivory>