.page-contact {
  background: var(--night-900);
  color: var(--text-on-dark);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact .section {
  padding-block: 56px;
}

.page-contact h2 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.15;
  font-size: clamp(1.6rem, 4.6vw, 2.5rem);
  margin: 10px 0 0;
}

.page-contact .eyebrow {
  color: var(--lime-400);
  font-size: var(--fs-12);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin: 0;
}

.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: var(--fs-14);
  color: var(--mist-400);
  margin-bottom: 28px;
}

.page-contact .breadcrumbs a {
  color: var(--mist-400);
  text-decoration: none;
}

.page-contact .breadcrumbs a:hover,
.page-contact .breadcrumbs a:focus-visible {
  color: var(--lime-400);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding-block: 36px 56px;
  border-bottom: var(--hairline);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(110% 80% at 88% -16%, rgba(199, 249, 75, 0.14), transparent 62%),
    radial-gradient(70% 60% at 4% 108%, rgba(46, 125, 255, 0.10), transparent 65%);
  pointer-events: none;
}

.page-contact .contact-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 8vw, 4rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
  margin: 14px 0 20px;
  color: #fff;
}

.page-contact .contact-hero h1 .hl {
  font-style: normal;
  color: var(--lime-200);
}

.page-contact .contact-hero .lead {
  max-width: 58ch;
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--mist-400);
}

.page-contact .contact-hero-aside {
  position: relative;
  padding: 22px 22px 20px;
  border: var(--hairline);
  border-radius: var(--r-lg);
  background: rgba(23, 64, 52, 0.42);
}

.page-contact .contact-hero-aside .vlabel {
  position: static;
  display: block;
  margin: 0 0 14px;
  color: var(--lime-400);
  font-size: var(--fs-12);
  letter-spacing: 0.2em;
  writing-mode: horizontal-tb;
}

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

.page-contact .hero-lines li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: var(--hairline-soft);
}

.page-contact .hero-lines li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .hero-lines-key {
  font-size: var(--fs-14);
  color: var(--mist-400);
}

.page-contact .hero-lines-val {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  color: var(--lime-400);
  letter-spacing: -0.01em;
}

/* ---------- 三个入口 ---------- */

.page-contact .contact-ways {
  background: var(--night-800);
  border-bottom: var(--hairline-soft);
}

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

.page-contact .ways-sub {
  margin: 14px 0 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--mist-400);
}

.page-contact .way-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 32px;
}

.page-contact .way-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 24px 28px;
  border-radius: var(--r-lg);
  background: var(--paper-100);
  color: var(--ink-900);
}

.page-contact .way-tag {
  align-self: flex-start;
  padding: 5px 13px;
  border-radius: var(--r-pill);
  background: var(--night-900);
  color: var(--lime-400);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
}

.page-contact .way-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-contact .way-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-16);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: -0.015em;
  color: var(--night-900);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--lime-400);
  word-break: break-word;
}

.page-contact .way-value--mail {
  font-size: var(--fs-14);
  word-break: break-all;
}

.page-contact .way-value--addr {
  font-family: var(--font-body);
  font-size: var(--fs-16);
  font-weight: 700;
}

.page-contact .way-note {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: #46564f;
}

/* ---------- 类别指引 ---------- */

.page-contact .contact-issues {
  border-bottom: var(--hairline-soft);
}

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

.page-contact .issues-sub {
  margin: 14px 0 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--mist-400);
}

.page-contact .issue-chips {
  margin-top: 26px;
}

.page-contact .issue-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .issue-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 26px 24px 28px;
  border-radius: var(--r-lg);
  background: var(--stand-600);
  border: var(--hairline-soft);
}

.page-contact .issue-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--lime-200);
}

.page-contact .issue-when {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--text-on-dark);
}

.page-contact .issue-block {
  padding-top: 14px;
  border-top: var(--dashline);
}

.page-contact .issue-label {
  display: block;
  margin-bottom: 8px;
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--mist-400);
}

.page-contact .issue-tips {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-contact .issue-tips li {
  position: relative;
  padding-left: 16px;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--text-on-dark);
}

.page-contact .issue-tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime-400);
}

.page-contact .issue-block p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--text-on-dark);
}

/* ---------- 纸面通用 ---------- */

.page-contact .sheet {
  background: var(--paper-100);
  color: var(--ink-900);
}

.page-contact .sheet h2,
.page-contact .sheet h3 {
  color: var(--ink-900);
}

.page-contact .sheet .eyebrow {
  color: var(--night-900);
  opacity: 0.62;
}

.page-contact .sheet .media-frame {
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-contact .sheet .media-cap {
  color: #46564f;
}

/* ---------- 邮件格式 ---------- */

.page-contact .mail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-contact .mail-lead {
  margin: 14px 0 0;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: #3a4842;
}

.page-contact .mail-formula {
  margin: 24px 0 16px;
  display: inline-block;
  padding: 10px 18px;
  border-radius: var(--r-pill);
  background: var(--night-900);
  color: var(--lime-400);
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.04em;
}

.page-contact .subject-samples {
  display: grid;
  gap: 10px;
}

.page-contact .subject-sample {
  margin: 0;
  padding: 13px 16px;
  border-radius: var(--r-md);
  background: rgba(16, 22, 19, 0.055);
  border-left: 3px solid var(--night-900);
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  line-height: 1.6;
  color: var(--ink-900);
  word-break: break-word;
}

.page-contact .mail-body-tips {
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px dashed rgba(16, 22, 19, 0.22);
}

.page-contact .mail-body-tips h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 800;
}

.page-contact .mail-steps {
  margin: 0;
  padding-left: 1.2em;
  display: grid;
  gap: 9px;
}

.page-contact .mail-steps li {
  font-size: var(--fs-16);
  line-height: 1.75;
  color: #3a4842;
}

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

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

/* ---------- 值守节奏 ---------- */

.page-contact .contact-tape {
  border-bottom: var(--hairline-soft);
}

.page-contact .tape-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-contact .tape-lead {
  margin: 14px 0 0;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--mist-400);
}

.page-contact .tape-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .tape-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 18px 0;
  border-top: var(--hairline-soft);
}

.page-contact .tape-key {
  font-size: var(--fs-12);
  letter-spacing: 0.2em;
  color: var(--mist-400);
}

.page-contact .tape-val {
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 4.6vw, 1.6rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--lime-400);
}

.page-contact .tape-desc {
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--text-on-dark);
}

.page-contact .tape-figure {
  margin: 0;
  align-self: start;
}

.page-contact .tape-figure .media-frame {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: var(--hairline-soft);
}

.page-contact .media-cap {
  margin: 12px 0 0;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--mist-400);
}

/* ---------- 留言说明 ---------- */

.page-contact .ask-head {
  max-width: 60ch;
}

.page-contact .ask-sub {
  margin: 14px 0 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: #3a4842;
}

.page-contact .ask-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 32px;
}

.page-contact .field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-contact .field label {
  font-size: var(--fs-14);
  font-weight: 700;
  color: var(--ink-900);
}

.page-contact .field input,
.page-contact .field select,
.page-contact .field textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 14px 16px;
  border-radius: var(--r-md);
  border: 1px solid rgba(16, 22, 19, 0.2);
  background: #fffdf8;
  color: var(--ink-900);
  font-family: inherit;
  font-size: var(--fs-16);
  line-height: 1.5;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.page-contact .field textarea {
  resize: vertical;
  min-height: 140px;
}

.page-contact .field input::placeholder,
.page-contact .field textarea::placeholder {
  color: #7d8a83;
}

.page-contact .field input:focus-visible,
.page-contact .field select:focus-visible,
.page-contact .field textarea:focus-visible {
  outline: none;
  border-color: var(--night-900);
  box-shadow: 0 0 0 3px rgba(12, 36, 28, 0.9);
}

.page-contact .field-hint {
  margin: 0;
  font-size: var(--fs-12);
  line-height: 1.6;
  color: #5c6b64;
}

.page-contact .ask-foot {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px dashed rgba(16, 22, 19, 0.22);
}

.page-contact .ask-note {
  margin: 0;
  max-width: 52ch;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: #46564f;
}

/* ---------- 收尾 ---------- */

.page-contact .contact-tail {
  border-top: var(--hairline-soft);
}

.page-contact .tail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-contact .tail-addr {
  margin: 16px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 4.4vw, var(--fs-28));
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.35;
  color: var(--lime-200);
}

.page-contact .tail-note {
  margin: 0;
  max-width: 54ch;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist-400);
}

.page-contact .tail-links {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-contact .tail-links-title {
  margin: 0 0 4px;
  font-size: var(--fs-12);
  letter-spacing: 0.2em;
  color: var(--mist-400);
}

.page-contact .tail-link {
  display: block;
  padding: 14px 18px;
  border-radius: var(--r-pill);
  border: var(--hairline);
  color: var(--text-on-dark);
  text-decoration: none;
  font-size: var(--fs-14);
  line-height: 1.5;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

.page-contact .tail-link:hover,
.page-contact .tail-link:focus-visible {
  background: var(--lime-400);
  border-color: var(--lime-400);
  color: var(--night-900);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .section {
    padding-block: 72px;
  }

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

  .page-contact .way-cards .way-card:last-child {
    grid-column: 1 / -1;
  }

  .page-contact .tape-row {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: baseline;
    gap: 8px 20px;
  }

  .page-contact .tape-key {
    grid-row: span 2;
  }

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

  .page-contact .ask-grid .field-wide {
    grid-column: 1 / -1;
  }

  .page-contact .ask-foot {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
  }
}

@media (min-width: 900px) {
  .page-contact .section {
    padding-block: 88px;
  }

  .page-contact .contact-hero {
    padding-block: 48px 88px;
  }

  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 340px);
    gap: 56px;
    align-items: end;
  }

  .page-contact .contact-ways .way-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .way-cards .way-card:last-child {
    grid-column: auto;
  }

  .page-contact .issue-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .mail-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .tape-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .tail-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 64px;
    align-items: start;
  }
}

@media (min-width: 1120px) {
  .page-contact .contact-hero h1 {
    max-width: 16ch;
  }

  .page-contact .tape-row {
    grid-template-columns: 132px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .tail-link,
  .page-contact .field input,
  .page-contact .field select,
  .page-contact .field textarea {
    transition: none;
  }
}
<<<END>>>
</main>