.page-contact {
  --pc-gap: 22px;
  --pc-ink-soft: #23413a;
  position: relative;
  padding: 26px 0 88px;
  background:
    radial-gradient(760px 460px at 88% -8%, rgba(43, 245, 200, 0.12), transparent 68%),
    radial-gradient(620px 420px at -12% 34%, rgba(255, 90, 54, 0.07), transparent 70%),
    var(--ink-950);
  color: var(--ice);
  overflow-x: clip;
}

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

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--line-strong);
}

.page-contact .breadcrumb a {
  color: var(--ice-dim);
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

.page-contact .breadcrumb a:hover {
  color: var(--cyan);
}

/* ---------- 首屏标题区 ---------- */
.page-contact .contact-masthead {
  display: grid;
  gap: 14px;
  padding: 20px 0 40px;
  max-width: 46rem;
}

.page-contact .contact-masthead h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 6.6vw, 54px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.012em;
  color: var(--ice);
}

.page-contact .contact-masthead__lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.82;
  color: var(--ice-dim);
  max-width: 40rem;
}

.page-contact .contact-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.page-contact .contact-facts span {
  padding: 6px 10px;
  border: 1px solid rgba(43, 245, 200, 0.28);
  border-radius: 2px 2px 2px 10px;
  color: var(--cyan-soft);
  background: rgba(43, 245, 200, 0.06);
}

/* ---------- 左右分屏 ---------- */
.page-contact .contact-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  align-items: start;
}

/* ---------- 深色联系记分牌 ---------- */
.page-contact .contact-panel {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 24px 20px 28px;
  border: 2px solid rgba(43, 245, 200, 0.22);
  border-radius: 2px 2px 2px 30px;
  background: var(--ink-900);
}

.page-contact .contact-panel__media {
  position: absolute;
  inset: 0;
  z-index: -1;
  margin: 0;
}

.page-contact .contact-panel__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
  filter: saturate(0.7) contrast(1.05);
}

.page-contact .contact-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(170deg, rgba(6, 17, 14, 0.6) 0%, rgba(6, 17, 14, 0.88) 48%, rgba(6, 17, 14, 0.97) 100%);
}

.page-contact .contact-panel .section-marker {
  color: var(--cyan);
}

.page-contact .contact-panel__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 4.4vw, 27px);
  font-weight: 700;
  line-height: 1.24;
  color: var(--ice);
}

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

.page-contact .contact-lines li {
  display: grid;
  gap: 5px;
  padding: 13px 0;
  border-top: 1px solid rgba(43, 245, 200, 0.2);
}

.page-contact .contact-lines__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .contact-lines__value {
  font-family: var(--font-mono);
  font-size: clamp(14px, 3.4vw, 18px);
  line-height: 1.55;
  color: var(--cyan-soft);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color 0.18s var(--ease);
}

.page-contact .contact-lines a.contact-lines__value:hover {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-contact .contact-lines__value--text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ice);
}

.page-contact .contact-panel__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(43, 245, 200, 0.24);
  font-size: 14px;
  line-height: 1.78;
  color: var(--ice-dim);
}

/* ---------- 浅色纸感咨询清单 ---------- */
.page-contact .contact-brief {
  background: var(--paper);
  color: var(--paper-ink);
  border: 2px solid var(--paper-ink);
  border-radius: 30px 2px 2px 2px;
  padding: 24px 20px 28px;
  box-shadow: 10px 10px 0 rgba(43, 245, 200, 0.16);
}

.page-contact .contact-brief .section-marker {
  color: #0a6b58;
}

.page-contact .contact-brief__title {
  margin: 10px 0 4px;
  font-family: var(--font-display);
  font-size: clamp(21px, 4.4vw, 27px);
  font-weight: 700;
  line-height: 1.24;
  color: var(--paper-ink);
}

.page-contact .brief-item {
  display: grid;
  gap: 6px;
  padding: 16px 0 18px;
  border-top: 1px solid rgba(6, 17, 14, 0.18);
}

.page-contact .brief-item:first-of-type {
  margin-top: 10px;
}

.page-contact .brief-item__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #0a6b58;
}

.page-contact .brief-item h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper-ink);
}

.page-contact .brief-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--pc-ink-soft);
}

.page-contact .brief-item .brief-item__need {
  margin-top: 4px;
  padding-left: 10px;
  border-left: 2px solid rgba(6, 17, 14, 0.35);
  font-size: 13px;
  line-height: 1.7;
  color: #3a5650;
}

/* ---------- 章节标题 ---------- */
.page-contact .mail-section,
.page-contact .process,
.page-contact .coop {
  padding-top: 68px;
}

.page-contact .block-head {
  display: grid;
  gap: 10px;
  margin-bottom: 26px;
  max-width: 46rem;
}

.page-contact .block-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 4.6vw, 36px);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.008em;
  color: var(--ice);
}

.page-contact .block-head p:not(.section-marker) {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ice-dim);
}

/* ---------- 邮件模板 ---------- */
.page-contact .mail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .mail-card {
  padding: 20px 18px 22px;
  background: var(--ink-880);
  border: 2px solid var(--line);
  border-radius: 2px 2px 2px 24px;
}

.page-contact .mail-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.page-contact .mail-card__send {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 245, 200, 0.45);
  padding-bottom: 2px;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .mail-card__send:hover {
  color: var(--cyan-soft);
  border-color: var(--cyan-soft);
}

.page-contact .mail-template {
  margin: 0;
  padding: 18px 16px;
  background: var(--ink-950);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 2;
  color: var(--ice);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.page-contact .mail-card__foot {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 清单卡 ---------- */
.page-contact .check-card {
  padding: 20px 18px 22px;
  background: var(--ink-900);
  border: 2px solid rgba(255, 156, 122, 0.28);
  border-radius: 2px 2px 2px 24px;
}

.page-contact .check-card__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pulse-soft);
}

.page-contact .check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
}

.page-contact .check-list li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 10px;
  padding: 12px 0;
  border-top: 1px solid var(--hair);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ice-dim);
}

.page-contact .check-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .check-list strong {
  display: block;
  color: var(--ice);
  font-weight: 700;
  margin-bottom: 2px;
}

.page-contact .check-list__num {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  color: var(--cyan);
}

/* ---------- 处理流程 ---------- */
.page-contact .process__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: start;
}

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

.page-contact .steps li {
  position: relative;
  padding: 2px 0 26px 28px;
  margin-left: 6px;
  border-left: 2px solid rgba(43, 245, 200, 0.24);
}

.page-contact .steps li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .steps li::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(43, 245, 200, 0.16);
}

.page-contact .steps__meta {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pulse-soft);
}

.page-contact .steps h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ice);
}

.page-contact .steps p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ice-dim);
}

.page-contact .process__media {
  margin: 0;
  border: 2px solid var(--line);
  border-radius: 2px 2px 2px 26px;
  overflow: hidden;
}

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

.page-contact .process__media .media__caption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ice-dim);
}

/* ---------- 合作方向 ---------- */
.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .coop-card {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 20px 18px 22px;
  background: var(--ink-900);
  border: 2px solid var(--line);
  border-radius: 2px 2px 2px 22px;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-contact .coop-card:hover {
  border-color: rgba(43, 245, 200, 0.45);
  transform: translateY(-2px);
}

.page-contact .coop-card__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .coop-card h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ice);
}

.page-contact .coop-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ice-dim);
}

/* ---------- 快捷入口 ---------- */
.page-contact .quicklinks {
  margin-top: 66px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 14px;
}

.page-contact .quicklinks h2 {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .quicklinks__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .quicklinks__list a {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 2px 2px 2px 14px;
  font-size: 13.5px;
  line-height: 1.4;
  color: var(--ice);
  text-decoration: none;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-contact .quicklinks__list a:hover {
  background: rgba(43, 245, 200, 0.1);
  border-color: var(--cyan);
  color: var(--cyan-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact {
    --pc-gap: 26px;
    padding: 32px 0 104px;
  }

  .page-contact .contact-panel,
  .page-contact .contact-brief {
    padding: 30px 26px 32px;
  }

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

  .page-contact .mail-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 22px;
  }
}

@media (min-width: 920px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 32px;
  }

  .page-contact .process__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 34px;
    align-items: start;
  }

  .page-contact .contact-masthead {
    padding: 26px 0 48px;
  }

  .page-contact .mail-section,
  .page-contact .process,
  .page-contact .coop {
    padding-top: 84px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .coop-card,
  .page-contact .quicklinks__list a,
  .page-contact .contact-lines a.contact-lines__value {
    transition: none;
  }

  .page-contact .coop-card:hover {
    transform: none;
  }
}