.page-contact {
  background: var(--ink-800);
  color: var(--white);
  font-family: var(--font-body);
}

.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 4vw, 40px) 0 clamp(48px, 7vw, 88px);
  background:
    radial-gradient(120% 80% at 12% 0%, rgba(255, 90, 31, 0.16), transparent 62%),
    radial-gradient(90% 70% at 100% 10%, rgba(47, 198, 192, 0.12), transparent 60%),
    var(--ink-800);
}

.page-contact .contact-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

.page-contact .contact-kicker {
  margin: 0 0 14px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-contact h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.95rem, 6vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-contact .contact-lede {
  margin: 0 0 28px;
  max-width: 34em;
  font-size: clamp(0.95rem, 1.6vw, 1.05rem);
  line-height: 1.75;
  color: rgba(244, 241, 234, 0.78);
}

.page-contact .contact-channels {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  border-top: 1px solid rgba(244, 241, 234, 0.14);
}

.page-contact .channel {
  display: grid;
  gap: 4px;
  padding: 15px 0;
  border-bottom: 1px solid rgba(244, 241, 234, 0.14);
}

.page-contact .channel-label {
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .channel-value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1rem, 3.4vw, 1.55rem);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--amber);
  overflow-wrap: anywhere;
}

.page-contact .channel-value--text {
  font-family: var(--font-body);
  font-size: clamp(1rem, 3vw, 1.3rem);
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-contact .channel-note {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

.page-contact .contact-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 13;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(217, 205, 184, 0.24);
}

.page-contact .contact-figure .figure-cap {
  margin-top: 10px;
  font-size: 0.78rem;
  color: var(--mist);
}

/* ---------- 通用分段 ---------- */
.page-contact .contact-section {
  padding: clamp(48px, 7vw, 88px) 0;
  border-top: 1px solid rgba(244, 241, 234, 0.08);
}

.page-contact .contact-section--tint {
  background: var(--ink-700);
}

.page-contact .section-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.page-contact .section-index {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-contact .display {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.45rem, 3.8vw, 2.35rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-contact .section-lede {
  margin: 0 0 26px;
  max-width: 38em;
  font-size: 0.95rem;
  line-height: 1.75;
  color: rgba(244, 241, 234, 0.72);
}

/* ---------- 需求分类 ---------- */
.page-contact .need-list {
  display: grid;
  gap: 6px;
}

.page-contact .need-item {
  --tone: var(--cyan);
  padding: 2px 18px 2px 16px;
  border-left: 4px solid var(--tone);
  border-radius: var(--radius-sm);
  background: rgba(20, 48, 77, 0.62);
  transition: background 180ms var(--ease);
}

.page-contact .need-item.tone-yellow { --tone: var(--yellow); }
.page-contact .need-item.tone-red { --tone: var(--red); }
.page-contact .need-item.tone-green { --tone: var(--green); }
.page-contact .need-item.tone-cyan { --tone: var(--cyan); }

.page-contact .need-item[open] {
  background: rgba(20, 48, 77, 0.92);
}

.page-contact .need-item summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .need-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  line-height: 1;
  color: var(--tone);
}

.page-contact .need-item[open] summary::after {
  content: "−";
}

.page-contact .need-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--tone);
  font-variant-numeric: tabular-nums;
}

.page-contact .need-title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: clamp(0.98rem, 2.2vw, 1.1rem);
  font-weight: 700;
  color: var(--white);
}

.page-contact .need-body {
  padding: 0 0 18px;
}

.page-contact .need-body p {
  margin: 0 0 12px;
  font-size: 0.92rem;
  line-height: 1.75;
  color: rgba(244, 241, 234, 0.76);
}

.page-contact .need-points {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-contact .need-points li {
  position: relative;
  padding-left: 16px;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .need-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--tone);
}

.page-contact .need-link {
  display: inline-block;
  padding-bottom: 2px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--white);
  text-decoration: none;
  box-shadow: inset 0 -2px 0 var(--orange);
  transition: color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-contact .need-link:hover,
.page-contact .need-link:focus-visible {
  color: var(--amber);
  box-shadow: inset 0 -3px 0 var(--amber);
}

/* ---------- 投稿流程 ---------- */
.page-contact .flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-contact .flow-step {
  --tone: var(--cyan);
  position: relative;
  padding-top: 18px;
  border-top: 3px solid var(--tone);
}

.page-contact .flow-step.tone-yellow { --tone: var(--yellow); }
.page-contact .flow-step.tone-red { --tone: var(--red); }
.page-contact .flow-step.tone-green { --tone: var(--green); }
.page-contact .flow-step.tone-cyan { --tone: var(--cyan); }

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 0;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--tone);
}

.page-contact .flow-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.4vw, 1.15rem);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .flow-step p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(244, 241, 234, 0.74);
}

.page-contact .flow-figure {
  margin: clamp(30px, 5vw, 48px) 0 0;
}

.page-contact .flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 20 / 7;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.page-contact .flow-figure .figure-cap {
  margin-top: 10px;
  font-size: 0.78rem;
  color: var(--mist);
}

/* ---------- 纠错 ---------- */
.page-contact .contact-fix-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 40px);
  align-items: start;
}

.page-contact .fix-points {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .fix-points li {
  position: relative;
  padding-left: 18px;
  font-size: 0.92rem;
  line-height: 1.7;
  color: rgba(244, 241, 234, 0.76);
}

.page-contact .fix-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--orange);
}

.page-contact .fix-points strong {
  color: var(--white);
  font-weight: 700;
}

.page-contact .fix-sample {
  padding: 24px 22px;
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, var(--ink-700), var(--ink-900));
  border-left: 4px solid var(--amber);
}

.page-contact .fix-sample-title {
  margin: 0 0 12px;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-contact .fix-sample-text {
  margin: 0 0 14px;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--white);
}

.page-contact .fix-sample-note {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 更多入口 ---------- */
.page-contact .contact-more {
  padding: clamp(34px, 5vw, 56px) 0;
  background: var(--ink-800);
  border-top: 1px solid rgba(244, 241, 234, 0.08);
}

.page-contact .contact-more-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.4vw, 1.2rem);
  font-weight: 900;
  color: var(--white);
}

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

.page-contact .contact-more-links a {
  display: block;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(20, 48, 77, 0.6);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  transition: transform 180ms var(--ease), background 180ms var(--ease);
}

.page-contact .contact-more-links a span {
  display: block;
  margin-top: 4px;
  font-size: 0.8rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .contact-more-links a:hover,
.page-contact .contact-more-links a:focus-visible {
  transform: translateY(-2px);
  background: rgba(20, 48, 77, 0.95);
}

/* ---------- 站点信息 ---------- */
.page-contact .contact-site-band {
  border-top: 0;
  padding-top: 0;
  padding-bottom: clamp(44px, 6vw, 76px);
  background: var(--ink-900);
}

.page-contact .band-stripe {
  height: 10px;
  background: linear-gradient(
    90deg,
    var(--cyan) 0 20%,
    var(--yellow) 20% 40%,
    var(--red) 40% 60%,
    var(--green) 60% 80%,
    var(--white) 80% 100%
  );
}

.page-contact .band-inner {
  padding-top: clamp(34px, 5vw, 56px);
}

.page-contact .band-copy .display {
  font-size: clamp(1.35rem, 3.4vw, 2rem);
  margin-bottom: 12px;
}

.page-contact .band-copy p {
  margin: 0;
  max-width: 44em;
  font-size: 0.92rem;
  line-height: 1.75;
  color: rgba(244, 241, 234, 0.72);
}

.page-contact .band-facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px 28px;
  margin: 30px 0 0;
  padding: 0;
}

.page-contact .band-facts dt {
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .band-facts dd {
  margin: 5px 0 0;
  font-size: 0.98rem;
  line-height: 1.5;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .band-facts dd.num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .channel {
    grid-template-columns: 6.5rem minmax(0, 1fr);
    grid-template-areas:
      "label value"
      "label note";
    column-gap: 20px;
    align-items: baseline;
  }

  .page-contact .channel-label { grid-area: label; }
  .page-contact .channel-value { grid-area: value; }
  .page-contact .channel-note { grid-area: note; }

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

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

@media (min-width: 900px) {
  .page-contact .contact-hero-inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: end;
  }

  .page-contact .contact-fix-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.75fr);
  }

  .page-contact .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }

  .page-contact .flow-step {
    padding: 20px 22px 0 0;
  }
}

@media (min-width: 1100px) {
  .page-contact .band-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}