.page-contact {
  --rail-w: 348px;
  --split-gap: clamp(1.5rem, 3.4vw, 3rem);
  --card-pad: clamp(1.1rem, 2vw, 1.55rem);
  background:
    radial-gradient(90% 45% at 8% -5%, rgba(200, 244, 46, 0.07), transparent 62%),
    radial-gradient(70% 40% at 100% 6%, rgba(255, 90, 46, 0.06), transparent 60%),
    var(--ink);
  color: var(--text);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: clamp(1.5rem, 4vw, 2.6rem);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .contact-crumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-contact .contact-crumb a:hover,
.page-contact .contact-crumb a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-contact .contact-crumb [aria-current="page"] {
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(1.5rem, 4vw, 3rem);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: var(--split-gap);
}

.page-contact .contact-hero__lead .label {
  display: inline-block;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--rule);
  border-radius: var(--pill);
  color: var(--lime);
}

.page-contact .contact-hero h1 {
  margin: 0.9rem 0 1.1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 5.4vw, 4.25rem);
  line-height: 1;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.page-contact .contact-hero__intro {
  max-width: 62ch;
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--text);
}

.page-contact .contact-hero__figure {
  margin: 0;
  aspect-ratio: 3 / 2;
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--char);
}

.page-contact .contact-hero__figure img,
.page-contact .contact-records__figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- 左右分屏骨架 ---------- */
.page-contact .contact-main {
  padding-block: clamp(2rem, 5vw, 4rem);
}

.page-contact .contact-split {
  display: grid;
  gap: var(--split-gap);
}

.page-contact .contact-rail__title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 2.2vw, 1.7rem);
  letter-spacing: 0.02em;
}

/* ---------- 联系卡片 ---------- */
.page-contact .contact-card {
  padding: var(--card-pad);
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, var(--panel), var(--char));
}

.page-contact .contact-card + .contact-card {
  margin-top: 0.85rem;
}

.page-contact .contact-card--key {
  border-color: rgba(200, 244, 46, 0.42);
  box-shadow: inset 3px 0 0 var(--lime);
  padding-left: calc(var(--card-pad) + 0.25rem);
}

.page-contact .label--lime {
  color: var(--lime);
}

.page-contact .contact-value {
  margin: 0.4rem 0 0.55rem;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 1.4vw + 0.45rem, 1.3rem);
  line-height: 1.35;
  letter-spacing: -0.005em;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .contact-value--text {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.2vw + 0.55rem, 1.2rem);
  line-height: 1.5;
}

.page-contact .contact-note {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 右侧内容块 ---------- */
.page-contact .contact-body {
  display: grid;
  gap: clamp(2rem, 4vw, 3.25rem);
  min-width: 0;
}

.page-contact .contact-body .section-head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
  line-height: 1.12;
}

.page-contact .contact-body .section-head p {
  max-width: 58ch;
  color: var(--muted);
  line-height: 1.75;
}

/* ---------- 咨询模板 ---------- */
.page-contact .tpl-list {
  counter-reset: tpl;
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.page-contact .tpl-list li {
  position: relative;
  padding: 1rem 0 1rem 3.1rem;
  border-bottom: 1px solid var(--rule);
}

.page-contact .tpl-list li::before {
  counter-increment: tpl;
  content: counter(tpl, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1.05rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--lime);
}

.page-contact .tpl-list h3 {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.12rem;
  letter-spacing: 0.02em;
}

.page-contact .tpl-list p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .tpl-hint {
  margin: 1.5rem 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .tpl-sample {
  margin: 0;
  padding: 1.1rem 1.2rem;
  border: 1px dashed var(--rule);
  border-radius: var(--r-md);
  background: var(--ink);
  color: var(--lime-soft);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.85;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  max-width: 100%;
}

/* ---------- 问题分流 ---------- */
.page-contact .channel-list {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.page-contact .channel {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.35rem 0.9rem;
  padding: 1.1rem 0.85rem 1.1rem 0.2rem;
  border-bottom: 1px solid var(--rule);
  border-radius: var(--r-sm);
  transition: background-color 0.25s ease;
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  background-color: rgba(200, 244, 46, 0.05);
}

.page-contact .channel__idx {
  font-size: 0.82rem;
  color: var(--lime);
  letter-spacing: 0.06em;
}

.page-contact .channel__body h3 {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

.page-contact .channel__body p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .channel__go {
  grid-column: 2;
  justify-self: start;
  align-self: center;
  margin-top: 0.5rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--rule);
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--muted);
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-contact .channel:hover .channel__go,
.page-contact .channel:focus-within .channel__go {
  color: var(--ink-text);
  background-color: var(--lime);
  border-color: var(--lime);
}

.page-contact .channel-tail {
  margin: 1.4rem 0 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .channel-tail a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 244, 46, 0.45);
}

.page-contact .channel-tail a:hover {
  border-bottom-color: var(--lime);
}

/* ---------- 运营与备案 ---------- */
.page-contact .contact-records {
  padding-block: clamp(2rem, 5vw, 3.5rem);
  border-top: 1px solid var(--rule);
}

.page-contact .records-grid {
  display: grid;
  gap: var(--split-gap);
}

.page-contact .contact-records__figure {
  margin: 0;
  aspect-ratio: 3 / 2;
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--char);
}

.page-contact .records-body {
  min-width: 0;
}

.page-contact .record-list {
  margin: 1.5rem 0 0;
  border-top: 1px solid var(--rule);
}

.page-contact .record {
  display: grid;
  gap: 0.3rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--rule);
}

.page-contact .record dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .record dd {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--text);
  overflow-wrap: anywhere;
}

/* ---------- 响应说明 ---------- */
.page-contact .contact-response {
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .response-box {
  padding: clamp(1.4rem, 3vw, 2.2rem);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--lime);
  border-radius: var(--r-lg);
  background: var(--panel);
}

.page-contact .response-box .prose {
  margin-top: 0.9rem;
  max-width: 66ch;
}

.page-contact .response-box .prose p {
  margin: 0 0 0.9rem;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--text);
}

.page-contact .response-box .prose p:last-child {
  margin-bottom: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .channel {
    grid-template-columns: 3rem minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .channel__go {
    grid-column: 2;
  }
}

@media (min-width: 720px) {
  .page-contact .channel {
    grid-template-columns: 3rem minmax(0, 1fr) auto;
    align-items: baseline;
  }

  .page-contact .channel__go {
    grid-column: auto;
    margin-top: 0;
  }

  .page-contact .record {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 1.5rem;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: end;
  }

  .page-contact .contact-hero__figure {
    aspect-ratio: 4 / 3;
  }

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

@media (min-width: 1040px) {
  .page-contact .contact-split {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .contact-rail {
    position: sticky;
    top: clamp(4.5rem, 7vw, 6.5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .channel__go {
    transition: none;
  }
}
</main>