.page-contact {
  --contact-cut: 30px;
  background: var(--ink-900);
  color: var(--white);
  overflow-x: hidden;
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 30px;
}

.page-contact .breadcrumb__link {
  color: var(--neon-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-contact .breadcrumb__link:hover,
.page-contact .breadcrumb__link:focus-visible {
  border-bottom-color: var(--neon);
}

.page-contact .breadcrumb__sep {
  color: var(--grid);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: 26px 0 0;
  background-color: var(--ink-900);
  background-image:
    repeating-linear-gradient(0deg, rgba(42, 58, 53, 0.42) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(90deg, rgba(42, 58, 53, 0.42) 0 1px, transparent 1px 44px);
  border-bottom: var(--edge) solid var(--grid);
}

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

.page-contact .contact-hero .eyebrow {
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 0 0 12px;
}

.page-contact .contact-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.2vw, 60px);
  line-height: 1.08;
  letter-spacing: 0.035em;
  margin: 0 0 20px;
}

.page-contact .contact-hero__title em {
  font-style: normal;
  color: var(--neon);
  display: inline-block;
  border-bottom: 4px solid rgba(56, 240, 140, 0.35);
}

.page-contact .contact-hero__lede {
  max-width: 46ch;
  color: var(--text-mid);
  font-size: 16px;
  line-height: 1.85;
  margin: 0 0 18px;
}

.page-contact .contact-hero__trust {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--neon-soft);
  border-left: 3px solid var(--orange);
  padding: 4px 0 4px 12px;
  margin: 0 0 22px;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 38px;
}

/* 斜切信息板 */
.page-contact .contact-board {
  display: grid;
  gap: 1px;
  background: var(--grid);
  border: var(--edge) solid var(--grid);
  box-shadow: 10px 10px 0 0 rgba(56, 240, 140, 0.13);
  padding-bottom: var(--contact-cut);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - var(--contact-cut)));
}

.page-contact .contact-board__left,
.page-contact .contact-board__right {
  background: linear-gradient(158deg, var(--ink-800), var(--ink-900) 88%);
  padding: 26px 20px;
}

.page-contact .contact-board__left .eyebrow,
.page-contact .contact-board__right .eyebrow {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 18px;
}

.page-contact .direction-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 3px;
}

.page-contact .direction-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px 14px;
  border-left: 3px solid var(--grid);
  background: rgba(11, 58, 46, 0.32);
}

.page-contact .direction-item:nth-child(2) {
  border-left-color: var(--orange);
}

.page-contact .direction-item:nth-child(3) {
  border-left-color: var(--blue);
}

.page-contact .direction-item:nth-child(1) {
  border-left-color: var(--neon);
}

.page-contact .direction-item__num {
  font-size: 18px;
  color: var(--neon-soft);
  line-height: 1.4;
}

.page-contact .direction-item__title {
  margin: 0 0 6px;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.02em;
}

.page-contact .direction-item__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text-mid);
}

/* 渠道卡片 */
.page-contact .channel-stack {
  display: grid;
  gap: 14px;
}

.page-contact .channel-card {
  border: var(--edge) solid var(--grid);
  border-left: 5px solid var(--neon);
  background: rgba(7, 11, 10, 0.72);
  padding: 16px 16px 18px;
  box-shadow: 6px 6px 0 0 rgba(7, 11, 10, 0.9);
}

.page-contact .channel-card--phone {
  border-left-color: var(--orange);
}

.page-contact .channel-card--addr {
  border-left-color: var(--blue);
}

.page-contact .channel-card__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-contact .channel-card__value {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: var(--white);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .channel-card--mail .channel-card__value {
  color: var(--neon);
}

.page-contact .channel-card--phone .channel-card__value {
  color: var(--orange);
}

.page-contact .channel-card--addr .channel-card__value {
  color: var(--blue);
  font-size: 14px;
}

.page-contact .channel-card__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-mid);
}

.page-contact .contact-board__figure {
  margin: 24px 0 0;
}

.page-contact .contact-board__figure .figure__img {
  border: var(--edge) solid var(--grid);
  overflow: hidden;
}

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

.page-contact .figure__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

/* ---------- 通用区块间距 ---------- */
.page-contact .contact-rhythm,
.page-contact .contact-directions,
.page-contact .contact-mail,
.page-contact .contact-pace,
.page-contact .contact-facts,
.page-contact .contact-faq {
  padding: 52px 0;
  border-top: var(--edge) solid var(--grid);
}

.page-contact .section__head {
  max-width: 62ch;
  margin-bottom: 30px;
}

.page-contact .contact-rhythm .eyebrow,
.page-contact .contact-directions .eyebrow,
.page-contact .contact-mail .eyebrow,
.page-contact .contact-pace .eyebrow,
.page-contact .contact-facts .eyebrow,
.page-contact .contact-faq .eyebrow {
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 12px;
}

.page-contact .section__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 4.6vw, 34px);
  line-height: 1.22;
  letter-spacing: 0.03em;
  margin: 0 0 14px;
}

.page-contact .lede {
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-mid);
  margin: 0;
}

.page-contact .contact-link {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 169, 255, 0.5);
}

.page-contact .contact-link:hover,
.page-contact .contact-link:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

/* ---------- 响应节奏 ---------- */
.page-contact .contact-rhythm__figure {
  margin: 0 0 30px;
}

.page-contact .contact-rhythm__figure .figure__img {
  border: var(--edge) solid var(--grid);
  box-shadow: 10px 10px 0 0 rgba(122, 31, 61, 0.35);
  overflow: hidden;
}

.page-contact .rhythm-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--grid);
  border: var(--edge) solid var(--grid);
  box-shadow: 8px 8px 0 0 rgba(63, 169, 255, 0.14);
}

.page-contact .rhythm-step {
  background: var(--ink-800);
  padding: 20px 18px 22px;
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-contact .rhythm-step__index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--neon);
}

.page-contact .rhythm-step__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-contact .rhythm-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--text-mid);
}

/* ---------- 合作方向详情 ---------- */
.page-contact .direction-detail {
  display: grid;
  gap: 2px;
  background: var(--grid);
  border: var(--edge) solid var(--grid);
}

.page-contact .direction-detail__row {
  background: var(--ink-800);
  padding: 24px 20px 26px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
}

.page-contact .direction-detail__row:nth-child(2) {
  background: linear-gradient(120deg, var(--ink-800), #3B2A6B 160%);
}

.page-contact .direction-detail__row:nth-child(3) {
  background: linear-gradient(120deg, var(--ink-800), #7A1F3D 170%);
}

.page-contact .direction-detail__num {
  font-family: var(--font-mono);
  font-size: 28px;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--neon);
  opacity: 0.85;
}

.page-contact .direction-detail__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.page-contact .direction-detail__body p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--text-mid);
}

/* 折叠资料清单 */
.page-contact .contact-details {
  border: 1px solid var(--grid);
  border-left: 4px solid var(--blue);
  background: rgba(7, 11, 10, 0.6);
  margin-top: 14px;
}

.page-contact .contact-details > summary {
  cursor: pointer;
  list-style: none;
  padding: 13px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--neon-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 44px;
}

.page-contact .contact-details > summary::-webkit-details-marker {
  display: none;
}

.page-contact .contact-details > summary::after {
  content: "+";
  font-size: 16px;
  color: var(--blue);
  line-height: 1;
}

.page-contact .contact-details[open] > summary::after {
  content: "–";
}

.page-contact .contact-details > summary:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

.page-contact .contact-details__list {
  margin: 0;
  padding: 4px 18px 18px 34px;
  display: grid;
  gap: 8px;
}

.page-contact .contact-details__list li {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-mid);
}

.page-contact .contact-details__list li::marker {
  color: var(--orange);
}

/* ---------- 写信建议 ---------- */
.page-contact .contact-mail__grid {
  display: grid;
  gap: 30px;
}

.page-contact .contact-mail__hint {
  margin: 18px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-mid);
}

.page-contact .mail-tips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--grid);
  border: var(--edge) solid var(--grid);
}

.page-contact .mail-tip {
  background: var(--ink-800);
  padding: 18px 18px 20px;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "idx title"
    "idx text";
  gap: 4px 14px;
  align-items: start;
}

.page-contact .mail-tip__index {
  grid-area: idx;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
  padding-top: 3px;
}

.page-contact .mail-tip__title {
  grid-area: title;
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-contact .mail-tip__text {
  grid-area: text;
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--text-mid);
}

/* ---------- 处理先后 ---------- */
.page-contact .pace-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 2px;
  background: var(--grid);
  border: var(--edge) solid var(--grid);
}

.page-contact .pace-item {
  background: var(--ink-800);
  padding: 18px 18px 20px;
  display: grid;
  gap: 12px;
  border-left: 4px solid var(--amber);
}

.page-contact .pace-item__tag {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.page-contact .pace-item__title {
  margin: 0 0 6px;
  font-size: 16.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-contact .pace-item__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--text-mid);
}

.page-contact .pace-note {
  margin: 0;
  padding: 16px 18px;
  border: 1px dashed var(--grid);
  border-left: 4px solid var(--neon);
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-mid);
  background: rgba(5, 35, 28, 0.5);
}

/* ---------- 站点信息 ---------- */
.page-contact .fact-grid {
  margin: 0 0 24px;
  display: grid;
  gap: 1px;
  background: var(--grid);
  border: var(--edge) solid var(--grid);
}

.page-contact .fact-cell {
  background: var(--ink-800);
  padding: 16px 18px;
  display: grid;
  gap: 6px;
}

.page-contact .fact-cell__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-contact .fact-cell__value {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .fact-cell__value--mono {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 15px;
  color: var(--neon-soft);
  letter-spacing: 0.04em;
}

.page-contact .facts-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-mid);
}

/* ---------- 常见问答 ---------- */
.page-contact .faq-list {
  display: grid;
  gap: 12px;
}

.page-contact .contact-details--faq {
  margin: 0;
  border-left-width: 4px;
  border-left-color: var(--neon);
  background: var(--ink-800);
}

.page-contact .contact-details--faq > summary {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-contact .contact-details__panel {
  padding: 0 18px 20px;
}

.page-contact .contact-details__panel p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-mid);
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-contact .contact-hero {
    padding-top: 34px;
  }

  .page-contact .contact-board__left,
  .page-contact .contact-board__right {
    padding: 32px 28px;
  }

  .page-contact .contact-mail__grid {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 40px;
    align-items: start;
  }

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

  .page-contact .pace-item {
    grid-template-columns: 140px 1fr;
    align-items: start;
    gap: 20px;
  }

  .page-contact .contact-rhythm,
  .page-contact .contact-directions,
  .page-contact .contact-mail,
  .page-contact .contact-pace,
  .page-contact .contact-facts,
  .page-contact .contact-faq {
    padding: 64px 0;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-contact {
    --contact-cut: 44px;
  }

  .page-contact .contact-hero {
    padding-top: 44px;
  }

  .page-contact .contact-board {
    grid-template-columns: 1.02fr 0.98fr;
    margin-top: 4px;
  }

  .page-contact .contact-board__left {
    padding: 38px 34px;
  }

  .page-contact .contact-board__right {
    padding: 38px 34px calc(38px + var(--contact-cut));
  }

  .page-contact .rhythm-track {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-contact .rhythm-step {
    padding: 26px 22px 30px;
  }

  .page-contact .direction-detail__row {
    grid-template-columns: 96px 1fr;
    gap: 28px;
    padding: 32px 34px 34px;
  }

  .page-contact .direction-detail__num {
    font-size: 40px;
  }

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

  .page-contact .contact-rhythm__figure .figure__img {
    max-height: 420px;
  }

  .page-contact .contact-rhythm__figure .figure__img img {
    max-height: 420px;
  }
}

/* ---------- 降低动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}
<<<END>>>