/* TAD6S4N模块发布站 — 全站共用样式（设计参照 hdd.mi-d.cn） */
@font-face {
  font-family: 'InstrumentSans';
  src: url('./_shared/fonts/InstrumentSans-Regular.ttf') format('truetype');
  font-weight: 400;
}
@font-face {
  font-family: 'InstrumentSans';
  src: url('./_shared/fonts/InstrumentSans-Bold.ttf') format('truetype');
  font-weight: 700;
}
@font-face {
  font-family: 'JetBrainsMono';
  src: url('./_shared/fonts/JetBrainsMono-Regular.ttf') format('truetype');
  font-weight: 400;
}
:root {
  --bg: #ffffff;
  --bg2: #f5f7fa;
  --ink: #1a2332;
  --muted: #64748b;
  --rule: #e2e8f0;
  --accent: #2563eb;
  --accent2: #0d9488;
  --danger: #dc2626;
  --radius: 10px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'InstrumentSans', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.7;
}
code, .mono { font-family: 'JetBrainsMono', 'Cascadia Mono', Consolas, monospace; font-size: 0.88em; }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 24px; }

.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.brand { font-weight: 700; font-size: 1.05rem; color: var(--ink); text-decoration: none; }
.brand-logo { height: 22px; width: auto; vertical-align: -5px; margin-right: 6px; }
.brand span { color: var(--accent); }
.topbar nav a { color: var(--muted); text-decoration: none; margin-left: 20px; font-size: 0.92rem; }
.topbar nav a:hover, .topbar nav a.active { color: var(--accent); }

.hero { padding: 72px 0 48px; text-align: center; }
.hero .ver-tag {
  display: inline-block; font-size: 0.85rem; color: var(--accent2);
  border: 1px solid var(--accent2); border-radius: 999px;
  padding: 2px 14px; margin-bottom: 20px;
}
.hero h1 { font-size: 2.4rem; line-height: 1.25; font-weight: 700; }
.hero p.sub { color: var(--muted); max-width: 640px; margin: 18px auto 0; }
.hero .cta { margin-top: 28px; }
.btn {
  display: inline-block; padding: 11px 26px; border-radius: var(--radius);
  text-decoration: none; font-weight: 700; font-size: 0.95rem;
  transition: transform .12s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 4px 14px rgba(37,99,235,.28); }
.btn-ghost { border: 1px solid var(--rule); color: var(--ink); margin-left: 12px; background: #fff; }
.stats { display: flex; justify-content: center; gap: 48px; margin-top: 44px; flex-wrap: wrap; }
.stats .num { font-size: 1.9rem; font-weight: 700; color: var(--accent); }
.stats .lbl { font-size: 0.85rem; color: var(--muted); }

section { padding: 56px 0; }
section + section { border-top: 1px solid var(--rule); }
.kicker {
  font-size: 0.78rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent); font-weight: 700; margin-bottom: 8px;
}
h2 { font-size: 1.55rem; font-weight: 700; margin-bottom: 10px; }
.sec-desc { color: var(--muted); margin-bottom: 28px; max-width: 680px; }

.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feat { background: var(--bg2); border-radius: var(--radius); padding: 20px; }
.feat h3 { font-size: 1rem; margin-bottom: 6px; display: inline; }
.feat p { font-size: 0.88rem; color: var(--muted); }
.feat .ico { font-size: 1.3rem; }
.feat .fico { width: 18px; height: 18px; display: inline-block; vertical-align: -4px; margin-right: 8px; }

/* 截图画廊 */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.shot { margin: 0; }
.shot img {
  width: 100%; height: auto; display: block;
  border: 1px solid var(--rule); border-radius: var(--radius);
  box-shadow: 0 6px 20px rgba(15,23,42,.06);
  cursor: zoom-in;
}

/* 图片放大查看 */
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(15,23,42,.82);
  display: none; align-items: center; justify-content: center;
  padding: 24px; cursor: zoom-out;
}
.lightbox.open { display: flex; }
.lightbox img {
  max-width: 96vw; max-height: 92vh; width: auto; height: auto;
  border-radius: 8px; box-shadow: 0 12px 48px rgba(0,0,0,.4);
}
.lightbox .lb-cap {
  position: absolute; bottom: 18px; left: 0; right: 0;
  text-align: center; color: rgba(255,255,255,.85); font-size: 0.85rem;
}
.shot figcaption { font-size: 0.85rem; color: var(--muted); margin-top: 8px; text-align: center; }

/* 下载卡片 */
.dl-card {
  border: 1px solid var(--rule); border-radius: var(--radius);
  padding: 24px; margin-bottom: 18px; background: #fff;
}
.dl-card.recommend { border-color: var(--accent); box-shadow: 0 4px 18px rgba(37,99,235,.10); }
.dl-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.dl-head h3 { font-size: 1.15rem; }
.tag { font-size: 0.72rem; font-weight: 700; padding: 2px 10px; border-radius: 999px; background: var(--accent); color: #fff; }
.tag.model { background: var(--accent2); }
.dl-meta { color: var(--muted); font-size: 0.88rem; margin: 8px 0 14px; }
.dl-meta code { background: var(--bg2); padding: 1px 7px; border-radius: 5px; }
.dl-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.btn-dl {
  background: var(--accent); color: #fff; padding: 9px 22px;
  border-radius: 8px; text-decoration: none; font-weight: 700; font-size: 0.92rem;
}
.btn-dl.small { padding: 7px 16px; font-size: 0.85rem; }
.btn-dl.disabled { background: var(--rule); color: var(--muted); pointer-events: none; }
.btn-plain { color: var(--accent); text-decoration: none; font-size: 0.88rem; font-weight: 700; }
.sha {
  margin-top: 12px; font-size: 0.78rem; color: var(--muted);
  word-break: break-all; background: var(--bg2); border-radius: 6px; padding: 8px 12px;
}
.sha b { color: var(--ink); font-weight: 700; }

.model-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.plat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.model-card { border: 1px solid var(--rule); border-radius: var(--radius); padding: 20px; display: flex; flex-direction: column; }
.model-card h3 { font-size: 1.1rem; display: flex; align-items: center; gap: 8px; }
.model-card .rows { margin: 12px 0 16px; font-size: 0.85rem; flex: 1; }
.model-card .rows div { display: flex; justify-content: space-between; padding: 3px 0; }
.model-card .rows .k { color: var(--muted); }

.warn {
  border-left: 4px solid var(--danger); background: #fef2f2;
  padding: 14px 18px; border-radius: 0 8px 8px 0; margin-bottom: 22px; font-size: 0.92rem;
}
.warn b { color: var(--danger); }

.note-box { background: var(--bg2); border-radius: var(--radius); padding: 20px 22px; margin-top: 18px; }
.note-box h4 { font-size: 0.95rem; margin-bottom: 8px; }
.note-box ul { padding-left: 20px; font-size: 0.9rem; color: var(--muted); }
.note-box li { margin-bottom: 4px; }

.steps { counter-reset: step; list-style: none; margin-top: 6px; }
.steps li { position: relative; padding: 10px 0 10px 44px; font-size: 0.94rem; }
.steps li::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: 0; top: 10px;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--accent); color: #fff; font-weight: 700; font-size: 0.85rem;
  display: flex; align-items: center; justify-content: center;
}
pre.cmd {
  background: #0f172a; color: #e2e8f0; border-radius: 8px;
  padding: 14px 18px; overflow-x: auto; font-size: 0.85rem; margin-top: 12px;
}

/* 更新日志 Tab */
.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 24px; }
.tab-btn {
  border: 1px solid var(--rule); background: #fff; color: var(--muted);
  padding: 8px 20px; border-radius: 999px; cursor: pointer;
  font-size: 0.9rem; font-weight: 700; font-family: inherit;
}
.tab-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.log-panel { display: none; }
.log-panel.active { display: block; }
.log-item { border-left: 3px solid var(--rule); padding: 4px 0 4px 20px; margin-bottom: 26px; position: relative; }
.log-item::before {
  content: ''; position: absolute; left: -7px; top: 10px;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--accent); border: 2px solid #fff; box-shadow: 0 0 0 1px var(--rule);
}
.log-item h3 { font-size: 1.05rem; }
.log-item .date { font-size: 0.8rem; color: var(--muted); margin-bottom: 8px; }
.log-item ul { padding-left: 20px; font-size: 0.92rem; }
.log-item li { margin-bottom: 4px; }
.log-item .kind {
  font-size: 0.7rem; font-weight: 700; color: var(--accent2);
  border: 1px solid var(--accent2); border-radius: 4px; padding: 0 6px; margin-right: 6px;
}
.log-empty { color: var(--muted); font-size: 0.92rem; }

footer { border-top: 1px solid var(--rule); padding: 36px 0 48px; color: var(--muted); font-size: 0.85rem; }
footer .sources ol { padding-left: 1.2rem; }
footer .sources li { margin-bottom: 0.5rem; overflow-wrap: break-word; word-break: break-all; }
footer .sources .src-title { color: var(--ink); word-break: normal; }
footer .sources .src-url { display: block; margin-top: 0.15rem; font-size: 0.82rem; color: var(--accent); word-break: break-all; }

@media (max-width: 768px) {
  .feat-grid, .model-grid, .gallery, .plat-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.8rem; }
  .stats { gap: 28px; }
  .btn-ghost { margin-left: 0; margin-top: 10px; }
}
@media print {
  .topbar, .cta, .tabs { display: none; }
  .log-panel { display: block !important; }
}