.page-contact {
  --contact-line: rgba(217, 160, 60, 0.26);
  --contact-line-soft: rgba(143, 163, 155, 0.2);
  --contact-card-shadow: 0 1px 0 var(--se-paper-deep), 8px 8px 0 rgba(8, 13, 11, 0.45);
  background: var(--se-ink);
  color: var(--se-warm-white);
  font-family: var(--se-sans);
  padding: calc(var(--se-header-h) + 40px) 0 88px;
  overflow-x: hidden;
}

.page-contact *,
.page-contact *::before,
.page-contact *::after {
  box-sizing: border-box;
}

.page-contact .page-shell {
  max-width: var(--se-maxw);
  margin: 0 auto;
  padding-inline: clamp(18px, 4vw, 40px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-intro {
  max-width: 860px;
}

.page-contact .contact-crumb {
  margin: 0 0 18px;
  font-size: var(--se-fs-12);
  letter-spacing: 0.14em;
  color: var(--se-neutral);
}

.page-contact .contact-crumb span {
  margin: 0 8px;
  color: var(--se-cinnabar);
}

.page-contact h1 {
  margin: 0;
  font-family: var(--se-serif);
  font-weight: 800;
  font-size: clamp(30px, 5.4vw, 60px);
  line-height: 1.14;
  letter-spacing: 0.02em;
  color: var(--se-warm-white);
}

.page-contact .contact-lede {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: var(--se-fs-16);
  line-height: 1.85;
  color: rgba(247, 241, 228, 0.82);
}

/* ---------- 双栏舞台 ---------- */
.page-contact .contact-stage {
  display: grid;
  gap: 28px;
  margin-top: 48px;
}

.page-contact .contact-rail {
  position: relative;
  background: var(--se-ink-layer);
  border: 1px solid var(--contact-line-soft);
  border-left: 3px solid var(--se-cinnabar);
  border-radius: var(--se-radius);
  padding: 22px 20px 24px;
}

.page-contact .contact-rail__chapter {
  display: block;
  font-size: var(--se-fs-12);
  letter-spacing: 0.1em;
  color: var(--se-gold);
}

.page-contact .contact-navmap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 20px 0 14px;
}

.page-contact .contact-navmap__col {
  position: relative;
  height: 46px;
  border: 1px solid var(--contact-line-soft);
  border-radius: 2px;
  background: rgba(242, 233, 216, 0.05);
}

.page-contact .contact-navmap__col--active {
  border-color: rgba(200, 50, 43, 0.7);
  background: rgba(200, 50, 43, 0.14);
}

.page-contact .contact-navmap__col--active::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 3px;
  background: var(--se-cinnabar);
}

.page-contact .contact-navmap__col--active::after {
  content: "";
  position: absolute;
  right: 6px;
  bottom: 8px;
  width: 6px;
  height: 6px;
  background: var(--se-gold);
}

.page-contact .contact-rail__note {
  margin: 0;
  font-size: var(--se-fs-14);
  line-height: 1.7;
  color: rgba(247, 241, 228, 0.78);
}

.page-contact .contact-rail__meta {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--contact-line);
}

.page-contact .contact-rail__row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 0;
  font-size: var(--se-fs-14);
}

.page-contact .contact-rail__row dt {
  color: var(--se-neutral);
}

.page-contact .contact-rail__row dd {
  margin: 0;
  color: var(--se-warm-white);
  white-space: nowrap;
}

.page-contact .contact-rail__row dd.mono {
  color: var(--se-gold);
}

.page-contact .contact-rail__jump {
  display: inline-block;
  margin-top: 20px;
  padding-bottom: 3px;
  font-size: var(--se-fs-14);
  color: var(--se-warm-white);
  text-decoration: none;
  border-bottom: 1px solid var(--se-gold);
  transition: color 200ms var(--se-ease), border-color 200ms var(--se-ease);
}

.page-contact .contact-rail__jump:hover,
.page-contact .contact-rail__jump:focus-visible {
  color: var(--se-gold);
  border-color: var(--se-cinnabar);
}

/* ---------- 章节通用 ---------- */
.page-contact .contact-sec {
  margin-top: 64px;
  padding-top: 26px;
  border-top: 1px solid var(--contact-line);
}

.page-contact .contact-sec--first {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-contact .contact-sec__head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.page-contact .contact-sec__num {
  flex: 0 0 auto;
  padding-top: 2px;
  font-size: 26px;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--se-cinnabar);
}

.page-contact .contact-sec h2 {
  margin: 0;
  font-family: var(--se-serif);
  font-weight: 800;
  font-size: clamp(21px, 3vw, 32px);
  line-height: 1.3;
  letter-spacing: 0.015em;
  color: var(--se-warm-white);
}

.page-contact .contact-sec__lead {
  margin: 16px 0 0;
  max-width: 64ch;
  font-size: var(--se-fs-16);
  line-height: 1.85;
  color: rgba(247, 241, 228, 0.8);
}

.page-contact .contact-inline-note {
  margin: 22px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--se-blue);
  font-size: var(--se-fs-14);
  line-height: 1.75;
  color: rgba(247, 241, 228, 0.68);
}

.page-contact .contact-inline-note a {
  color: var(--se-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 160, 60, 0.5);
}

.page-contact .contact-inline-note a:hover,
.page-contact .contact-inline-note a:focus-visible {
  color: var(--se-warm-white);
  border-color: var(--se-warm-white);
}

/* ---------- 01 要点 ---------- */
.page-contact .contact-points {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .contact-points li {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  background: rgba(22, 40, 31, 0.7);
  border-left: 2px solid var(--se-gold);
  border-radius: var(--se-radius);
}

.page-contact .contact-points span {
  font-size: var(--se-fs-12);
  letter-spacing: 0.08em;
  color: var(--se-gold);
  padding-top: 2px;
}

.page-contact .contact-points p {
  margin: 0;
  font-size: var(--se-fs-16);
  line-height: 1.75;
  color: rgba(247, 241, 228, 0.85);
}

/* ---------- 02 模板 ---------- */
.page-contact .contact-template {
  margin-top: 28px;
  background: var(--se-ink-layer);
  border: 1px solid var(--contact-line);
  border-radius: var(--se-radius);
  padding: 20px 18px 8px;
}

.page-contact .contact-template__head {
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--contact-line);
  font-size: var(--se-fs-12);
  letter-spacing: 0.12em;
  color: var(--se-gold);
}

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

.page-contact .contact-template__list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(143, 163, 155, 0.14);
}

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

.page-contact .contact-template__no {
  font-size: var(--se-fs-14);
  color: var(--se-cinnabar);
  padding-top: 3px;
}

.page-contact .contact-template__list strong {
  display: block;
  font-size: var(--se-fs-16);
  font-weight: 700;
  color: var(--se-warm-white);
  letter-spacing: 0.02em;
}

.page-contact .contact-template__list p {
  margin: 6px 0 0;
  font-size: var(--se-fs-14);
  line-height: 1.75;
  color: rgba(247, 241, 228, 0.72);
}

.page-contact .contact-figure {
  margin: 28px 0 0;
}

.page-contact .contact-figure .img-frame,
.page-contact .contact-photo .img-frame {
  border: 1px solid var(--contact-line-soft);
  border-radius: var(--se-radius);
  overflow: hidden;
  background: var(--se-coal);
}

.page-contact .contact-figure img,
.page-contact .contact-photo img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.page-contact .contact-figure figcaption {
  margin-top: 10px;
  font-size: var(--se-fs-12);
  letter-spacing: 0.04em;
  color: var(--se-neutral);
}

/* ---------- 03 联系卡片 ---------- */
.page-contact .contact-cards {
  display: grid;
  gap: 18px;
  margin-top: 30px;
}

.page-contact .contact-card {
  position: relative;
  background: var(--se-paper);
  color: var(--se-ink);
  border: 1px solid var(--se-paper-deep);
  border-radius: var(--se-radius);
  padding: 20px 20px 22px;
  box-shadow: var(--contact-card-shadow);
}

.page-contact .contact-card .tag {
  display: inline-block;
  margin-bottom: 14px;
}

.page-contact .contact-card__value {
  margin: 0;
  font-size: clamp(17px, 2.4vw, 22px);
  line-height: 1.45;
  letter-spacing: 0.01em;
  color: var(--se-ink);
  word-break: break-word;
}

.page-contact .contact-card__value--addr {
  font-family: var(--se-sans);
  font-weight: 600;
  font-size: var(--se-fs-16);
  line-height: 1.7;
}

.page-contact .contact-card__use {
  margin: 12px 0 0;
  font-size: var(--se-fs-14);
  line-height: 1.75;
  color: #3d4a44;
}

.page-contact .contact-photo {
  margin: 26px 0 0;
}

/* ---------- 04 时段与流程 ---------- */
.page-contact .contact-clock {
  margin-top: 26px;
  padding: 16px 18px;
  background: rgba(22, 40, 31, 0.72);
  border: 1px solid var(--contact-line);
  border-radius: var(--se-radius);
}

.page-contact .contact-ruler {
  display: block;
  width: 100%;
  height: auto;
  color: var(--se-gold);
}

.page-contact .contact-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .contact-steps li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 18px;
  border: 1px solid var(--contact-line-soft);
  border-radius: var(--se-radius);
  background: rgba(8, 13, 11, 0.4);
}

.page-contact .contact-steps__no {
  font-size: var(--se-fs-16);
  color: var(--se-cinnabar);
  padding-top: 2px;
}

.page-contact .contact-steps strong {
  display: block;
  font-size: var(--se-fs-16);
  font-weight: 700;
  color: var(--se-warm-white);
}

.page-contact .contact-steps p {
  margin: 6px 0 0;
  font-size: var(--se-fs-14);
  line-height: 1.75;
  color: rgba(247, 241, 228, 0.72);
}

.page-contact .contact-steps a {
  color: var(--se-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 160, 60, 0.5);
}

/* ---------- 05 合作 ---------- */
.page-contact .contact-coop {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.page-contact .contact-coop__block {
  padding: 20px 20px 22px;
  background: var(--se-ink-layer);
  border: 1px solid var(--contact-line-soft);
  border-top: 3px solid var(--se-gold);
  border-radius: var(--se-radius);
}

.page-contact .contact-coop__block--alt {
  border-top-color: var(--se-blue);
  background: rgba(110, 140, 160, 0.1);
}

.page-contact .contact-coop__block h3 {
  margin: 0 0 14px;
  font-family: var(--se-serif);
  font-size: var(--se-fs-20);
  font-weight: 700;
  color: var(--se-warm-white);
}

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

.page-contact .contact-coop__block li {
  position: relative;
  padding-left: 16px;
  font-size: var(--se-fs-14);
  line-height: 1.75;
  color: rgba(247, 241, 228, 0.76);
}

.page-contact .contact-coop__block li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--se-gold);
}

.page-contact .contact-coop__block--alt li::before {
  background: var(--se-blue);
}

/* ---------- 06 错误示范 ---------- */
.page-contact .contact-mistakes {
  margin-top: 26px;
  display: grid;
  gap: 12px;
}

.page-contact .contact-mistake {
  background: rgba(22, 40, 31, 0.72);
  border: 1px solid var(--contact-line-soft);
  border-left: 3px solid var(--se-cinnabar);
  border-radius: var(--se-radius);
  padding: 4px 18px;
}

.page-contact .contact-mistake summary {
  list-style: none;
  cursor: pointer;
  position: relative;
  padding: 14px 34px 14px 0;
  font-size: var(--se-fs-16);
  font-weight: 700;
  color: var(--se-warm-white);
  letter-spacing: 0.01em;
}

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

.page-contact .contact-mistake summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--se-mono);
  font-size: var(--se-fs-20);
  color: var(--se-gold);
  transition: transform 200ms var(--se-ease);
}

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

.page-contact .contact-mistake summary:focus-visible {
  outline: 2px solid var(--se-gold);
  outline-offset: 2px;
}

.page-contact .contact-mistake p {
  margin: 0 0 16px;
  padding-top: 12px;
  border-top: 1px dashed var(--contact-line);
  font-size: var(--se-fs-14);
  line-height: 1.8;
  color: rgba(247, 241, 228, 0.76);
}

.page-contact .contact-mistake p strong {
  color: var(--se-gold);
  font-weight: 700;
}

/* ---------- 中等宽度 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-points {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-points li {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .page-contact .contact-cards {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .contact-card--mail {
    grid-column: span 4;
  }

  .page-contact .contact-card--phone {
    grid-column: span 2;
    margin-top: 28px;
  }

  .page-contact .contact-card--addr {
    grid-column: 2 / span 5;
  }

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

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

/* ---------- 桌面版 ---------- */
@media (min-width: 960px) {
  .page-contact {
    padding-top: calc(var(--se-header-h) + 56px);
    padding-bottom: 110px;
  }

  .page-contact .contact-stage {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 52px;
    margin-top: 56px;
  }

  .page-contact .contact-rail {
    position: sticky;
    top: calc(var(--se-header-h) + 24px);
  }

  .page-contact .contact-sec {
    margin-top: 84px;
    padding-top: 34px;
  }

  .page-contact .contact-sec--first {
    margin-top: 0;
    padding-top: 0;
  }

  .page-contact .contact-sec__num {
    font-size: 40px;
    min-width: 62px;
  }

  .page-contact .contact-sec__lead {
    font-size: var(--se-fs-20);
    line-height: 1.8;
  }

  .page-contact .contact-template {
    padding: 24px 26px 10px;
  }

  .page-contact .contact-points p,
  .page-contact .contact-card__use,
  .page-contact .contact-steps p,
  .page-contact .contact-coop__block li,
  .page-contact .contact-mistake p {
    font-size: var(--se-fs-16);
  }

  .page-contact .contact-photo {
    margin-top: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-rail__jump,
  .page-contact .contact-mistake summary::after {
    transition: none;
  }
}

<<<END>>>