/* 对外端子接线指引 · 网页版（源自打印版排版，自适应手机） */

.wg-print-btn {
  margin-left: auto;
  flex-shrink: 0;
  padding: 6px 14px;
  font-size: 13px;
  font-family: var(--font);
  font-weight: 600;
  color: var(--c-ink-800);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  cursor: pointer;
}
.wg-print-btn:hover { border-color: var(--accent); color: var(--accent); }

@media (max-width: 767px) {
  .site-header-inner { flex-wrap: wrap; gap: 8px; }
  .wg-print-btn { margin-left: 0; order: 3; }
}

.wg-main {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 var(--content-pad-x) 24px;
}

.wg-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 0 16px;
  position: sticky;
  top: calc(var(--nav-h) - 1px);
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}
.wg-toc a {
  font-size: 13px;
  padding: 5px 12px;
  border-radius: var(--r-pill);
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-soft);
  text-decoration: none;
}
.wg-toc a:hover { border-color: #1a4f8b; color: #1a4f8b; }

/* —— 文档正文（打印版样式 scoped） —— */
.wg-doc {
  font-size: 15px;
  line-height: 1.55;
  color: #111;
}

.wg-doc h1 { font-size: clamp(1.35rem, 4vw, 1.65rem); margin: 0 0 6px; color: #0f1a2b; }
.wg-doc h2 {
  font-size: clamp(1.1rem, 3.2vw, 1.25rem);
  margin: 28px 0 10px;
  padding-bottom: 6px;
  border-bottom: 2px solid #1a4f8b;
  color: #1a4f8b;
  scroll-margin-top: calc(var(--nav-h) + 52px);
}
.wg-doc h3 {
  font-size: 1.05rem;
  margin: 18px 0 8px;
  color: #0a2a4a;
}
.wg-doc p { margin: 6px 0; }
.wg-doc .muted { color: #555; font-size: 0.92em; }
.wg-doc .small { font-size: 0.88em; }
.wg-doc .mono,
.wg-doc code {
  font-family: var(--mono);
  font-size: 0.92em;
}

.wg-doc header.cover {
  text-align: center;
  margin: 8px 0 20px;
  padding-bottom: 16px;
  border-bottom: 2px solid #1a4f8b;
}
.wg-doc header.cover .sub { color: #555; font-size: 0.95rem; margin-top: 4px; }

.wg-doc .meta-table {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0;
  font-size: 0.94rem;
}
.wg-doc .meta-table td {
  border: 1px solid #888;
  padding: 8px 10px;
}
.wg-doc .meta-table td:first-child {
  width: 26%;
  min-width: 88px;
  background: #f0f4fa;
  font-weight: 600;
}

.wg-doc .callout {
  border-left: 4px solid #d97706;
  background: #fff7ed;
  padding: 10px 14px;
  margin: 12px 0;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  font-size: 0.94rem;
}
.wg-doc .callout.warn { border-left-color: #b91c1c; background: #fef2f2; }
.wg-doc .callout.tip  { border-left-color: #047857; background: #ecfdf5; }

.wg-doc table.t {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0 16px;
  font-size: 0.9rem;
}
.wg-doc table.t th,
.wg-doc table.t td {
  border: 1px solid #666;
  padding: 7px 8px;
  vertical-align: top;
  text-align: left;
}
.wg-doc table.t th {
  background: #1a4f8b;
  color: #fff;
  font-weight: 600;
  text-align: center;
}
.wg-doc table.t tbody tr:nth-child(even) { background: #f7f9fc; }
.wg-doc .pin {
  font-weight: 700;
  color: #1a4f8b;
  font-family: var(--mono);
  white-space: nowrap;
}

/* 宽表横向滚动 */
.wg-doc .table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 8px 0 16px;
  border-radius: var(--r-sm);
  box-shadow: inset -8px 0 12px -8px rgba(0,0,0,0.06);
}
.wg-doc .table-scroll table.t { margin: 0; min-width: 640px; }

.wg-doc .rail-wrap {
  border: 1px solid #333;
  background: #fafafa;
  padding: 12px 10px 10px;
  margin: 12px 0 16px;
  border-radius: var(--r-sm);
}
.wg-doc .rail-title {
  font-weight: 700;
  margin-bottom: 8px;
  color: #0a2a4a;
  font-size: 0.92rem;
  line-height: 1.4;
}
.wg-doc .rail {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.wg-doc .pin-box {
  width: 72px;
  min-height: 58px;
  border: 1px solid #333;
  background: #fff;
  padding: 4px;
  display: flex;
  flex-direction: column;
  text-align: center;
  border-radius: 4px;
  flex: 0 0 auto;
}
.wg-doc .pin-box .label {
  font-weight: 700;
  font-size: 0.78rem;
  background: #1a4f8b;
  color: #fff;
  padding: 2px 3px;
  border-radius: 3px;
  font-family: var(--mono);
}
.wg-doc .pin-box .desc {
  font-size: 0.68rem;
  color: #222;
  margin-top: 3px;
  line-height: 1.2;
}
.wg-doc .pin-box.input  .label { background: #047857; }
.wg-doc .pin-box.valve  .label { background: #b45309; }
.wg-doc .pin-box.lamp   .label { background: #c0392b; }
.wg-doc .pin-box.inter  .label { background: #6d28d9; }
.wg-doc .pin-box.ana    .label { background: #0e7490; }
.wg-doc .pin-box.power  .label { background: #444; }
.wg-doc .pin-box.empty  { background: #f0f0f0; opacity: 0.65; }
.wg-doc .pin-box.empty .label { background: #999; }

@media (max-width: 480px) {
  .wg-doc .pin-box {
    width: calc(33.333% - 4px);
    min-width: 64px;
  }
}

.wg-doc .diagram {
  width: 100%;
  border: 1px solid #888;
  border-radius: var(--r-sm);
  padding: 12px;
  background: #fcfcfc;
  margin: 12px 0;
  font-size: 0.9rem;
  overflow-x: auto;
}
.wg-doc .diagram pre {
  font-family: var(--mono);
  font-size: clamp(0.62rem, 2.4vw, 0.78rem);
  line-height: 1.35;
  margin: 0;
  white-space: pre;
  color: #111;
}
.wg-doc .diagram .cap {
  font-weight: 600;
  margin-bottom: 8px;
  color: #0a2a4a;
}

.wg-doc .legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 8px 0 12px;
  font-size: 0.88rem;
}
.wg-doc .legend span { display: inline-flex; align-items: center; gap: 6px; }
.wg-doc .legend i {
  display: inline-block;
  width: 14px;
  height: 10px;
  border: 1px solid #333;
  border-radius: 2px;
}
.wg-doc .lg-input  { background: #047857; }
.wg-doc .lg-valve  { background: #b45309; }
.wg-doc .lg-lamp   { background: #c0392b; }
.wg-doc .lg-inter  { background: #6d28d9; }
.wg-doc .lg-ana    { background: #0e7490; }
.wg-doc .lg-power  { background: #444; }

.wg-doc .footer-note {
  margin-top: 32px;
  padding-top: 16px;
  text-align: center;
  color: #666;
  font-size: 0.88rem;
  border-top: 1px solid var(--border);
}

.wg-pagebreak { display: none; }

/* 附图 */
.wg-figures {
  display: grid;
  gap: 16px;
  margin: 16px 0 20px;
}
@media (min-width: 640px) {
  .wg-figures { grid-template-columns: 1fr 1fr; }
}
.wg-figures figure { margin: 0; }
.wg-photo {
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: #fff;
  display: block;
}
.wg-figures figcaption {
  margin-top: 8px;
  font-size: 0.88rem;
  color: var(--text-soft);
  line-height: 1.45;
}

.wg-doc ol { padding-left: 1.25em; margin: 8px 0; }
.wg-doc ol li { margin-bottom: 6px; }

/* 打印：接近 A4 打印版 */
@media print {
  .site-header, .site-footer, .bottom-nav, .wg-toc, .wg-print-btn { display: none !important; }
  body { padding: 0 !important; background: #fff !important; }
  .wg-main { max-width: none; padding: 0; }
  .wg-doc h2 { scroll-margin-top: 0; }
  .wg-pagebreak { display: block; page-break-after: always; break-after: page; height: 0; }
  .wg-photo { max-height: 280px; object-fit: contain; }
}