/* Architecture + Knowledge Graph — visual polish · 作者：李季 LI JI */

.arch-wrap,.kg-wrap{max-width:1100px;margin:0 auto;padding:22px 18px 56px}
.arch-intro h1,.kg-intro h1{
  margin:8px 0 10px;color:var(--b);font-size:clamp(22px,3vw,28px);
  font-weight:800;letter-spacing:.01em;line-height:1.25;
}
.lead{color:var(--m);font-size:15px;line-height:1.7;max-width:920px;font-weight:500}
.arch-callouts{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:18px 0 10px}
.arch-callouts div{
  background:linear-gradient(180deg,#fff,#fbfcfe);border:1px solid var(--l);
  border-radius:14px;padding:14px 16px;box-shadow:var(--shadow-sm);
  border-top:3px solid var(--b);
}
.arch-callouts b{display:block;color:var(--b);margin-bottom:4px;font-size:14px;font-weight:800}
.arch-callouts span{font-size:13px;color:var(--m);line-height:1.45}
.stack-caption{
  font-size:13px;color:var(--m);margin:10px 0 14px;font-weight:600;
  padding:8px 12px;background:var(--b-soft);border-radius:10px;border-left:3px solid var(--b);
}
.arch-stack{display:flex;flex-direction:column;gap:11px}
.arch-block{
  display:grid;grid-template-columns:76px 1fr auto;gap:14px;align-items:center;
  background:linear-gradient(180deg,#fff,#fbfcfe);border:1px solid var(--l);border-radius:16px;
  padding:15px 18px;color:inherit;box-shadow:var(--shadow-sm);
  transition:border-color .18s,transform .18s var(--ease),box-shadow .18s;
}
.arch-block:hover{
  border-color:rgba(10,58,134,.4);transform:translateY(-2px);color:inherit;
  box-shadow:var(--shadow);
}
.ab-layer{
  font-weight:800;color:#fff;background:var(--b);border-radius:12px;text-align:center;
  padding:12px 6px;font-size:12px;line-height:1.2;letter-spacing:.02em;
  box-shadow:0 4px 12px rgba(10,58,134,.22);
}
.ab-main h2{margin:0 0 2px;font-size:18px;color:var(--b);font-weight:800}
.ab-en{font-size:12px;color:var(--m);margin-bottom:4px;font-weight:600;letter-spacing:.01em}
.ab-main p{margin:0;font-size:13px;color:var(--t);line-height:1.5}
.ab-role{
  font-size:12px;font-weight:700;color:var(--a);white-space:nowrap;
  padding:6px 12px;background:var(--a-soft);border-radius:999px;border:1px solid rgba(217,72,15,.15);
}
.ab-role.inline{display:inline-block;margin-top:8px}
.tone-boundary .ab-layer{background:#5b6475;box-shadow:0 4px 12px rgba(91,100,117,.25)}
.tone-core .ab-layer{background:#d9480f;box-shadow:0 4px 12px rgba(217,72,15,.25)}
.tone-data .ab-layer{background:#1c7ed6;box-shadow:0 4px 12px rgba(28,126,214,.25)}
.tone-sim .ab-layer{background:#7048e8;box-shadow:0 4px 12px rgba(112,72,232,.25)}
.tone-know .ab-layer{background:#ae3ec9;box-shadow:0 4px 12px rgba(174,62,201,.25)}
.tone-model .ab-layer{background:#0b7285;box-shadow:0 4px 12px rgba(11,114,133,.25)}
.tone-plant .ab-layer{background:#2f9e44;box-shadow:0 4px 12px rgba(47,158,68,.25)}
.tone-base .ab-layer{background:#343a40;box-shadow:0 4px 12px rgba(52,58,64,.25)}
.arch-note{margin-top:20px;font-size:13px;color:var(--m);line-height:1.55}

.tech-article{
  background:#fff;border:1px solid var(--l);border-radius:18px;padding:24px 24px 32px;
  box-shadow:var(--shadow-sm);
}
.tech-h{margin-bottom:14px}
.tech-h h1{margin:8px 0;font-size:24px;color:var(--b);font-weight:800}
.tech-h h1 small{display:block;font-size:14px;color:var(--m);font-weight:500;margin-top:4px}
.tech-article h2{
  margin:20px 0 8px;font-size:17px;color:var(--b);font-weight:800;
  border-left:3px solid var(--b);padding-left:12px;
}
.tech-article .md p{margin:0 0 10px;line-height:1.65}
.formula-grid{display:grid;gap:12px}
.formula-card{
  background:linear-gradient(180deg,#f8fafc,#f3f6fb);border:1px solid var(--l);
  border-radius:14px;padding:14px 16px;box-shadow:inset 0 1px 0 rgba(255,255,255,.8);
}
.fname{font-weight:800;color:var(--t);margin-bottom:6px;font-size:14px}
.ftex{overflow-x:auto;padding:6px 0}
.fnote{font-size:13px;color:var(--m);margin-top:6px;line-height:1.5}
.bedi{background:#fff9db;border-radius:12px;padding:4px 14px 12px;border:1px solid #f0e0a0}
.pending{
  background:#fff8f3;border-left:4px solid var(--a);padding:10px 14px;margin:14px 0;
  font-size:13px;color:#5c3d1e;border-radius:0 10px 10px 0;
}
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-block;background:var(--b-soft);color:var(--b);border-radius:999px;
  padding:6px 12px;font-size:13px;font-weight:700;border:1px solid rgba(10,58,134,.12);
}
.refs{font-size:13px;color:var(--m);line-height:1.55}
.pager{
  display:flex;justify-content:space-between;gap:12px;margin-top:24px;padding-top:16px;
  border-top:1px solid var(--l);
}

.kg-layout{display:grid;grid-template-columns:1.4fr 1fr;gap:16px;margin:14px 0 24px}
@media(max-width:900px){
  .kg-layout{grid-template-columns:1fr}
  .arch-block{grid-template-columns:56px 1fr}
  .ab-role{display:none}
}
.kg-canvas-panel{
  background:#fff;border:1px solid var(--l);border-radius:16px;padding:12px;
  box-shadow:var(--shadow-sm);
}
#kg-canvas{
  width:100%;height:auto;display:block;
  background:
    radial-gradient(circle at 20% 20%, rgba(10,58,134,.04), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(217,72,15,.03), transparent 40%),
    linear-gradient(180deg,#fbfcfe,#f4f6fa);
  border-radius:12px; cursor:pointer;
}
.kg-legend{display:flex;flex-wrap:wrap;gap:14px;font-size:12px;color:var(--m);padding:10px 4px 2px;font-weight:600}
.kg-legend i{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:5px;background:#0a3a86;vertical-align:middle}
.kg-legend i.c-tech{background:#0a3a86}
.kg-side{
  background:#fff;border:1px solid var(--l);border-radius:16px;padding:16px;
  min-height:280px;box-shadow:var(--shadow-sm);
}
.kg-side-empty{color:var(--m);font-size:14px;padding:28px 10px;text-align:center;line-height:1.55}
.kg-card h2{margin:0 0 8px;color:var(--b);font-size:20px;font-weight:800}
.kg-card h2 small{color:var(--m);font-weight:500;font-size:13px}
.kg-card .sum{font-weight:700;color:var(--t);line-height:1.5}
.kg-card h3{margin:16px 0 6px;font-size:13px;color:var(--b);font-weight:800;letter-spacing:.04em;text-transform:uppercase}
.kg-rel,.kg-news{list-style:none;padding:0;margin:0;font-size:13px}
.kg-rel li,.kg-news li{padding:8px 0;border-bottom:1px solid var(--l2);line-height:1.45}
.kg-rel button{
  border:0;background:var(--b-soft);color:var(--b);border-radius:8px;padding:4px 9px;
  font-weight:700;cursor:pointer;transition:background .15s,color .15s;
}
.kg-rel button:hover{background:var(--b);color:#fff}
.kg-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}
.kg-list a{
  display:block;background:linear-gradient(180deg,#fff,#fbfcfe);border:1px solid var(--l);
  border-radius:14px;padding:14px 16px;color:inherit;box-shadow:var(--shadow-sm);
  transition:border-color .15s,transform .15s var(--ease),box-shadow .15s;
}
.kg-list a:hover{border-color:var(--b);transform:translateY(-2px);box-shadow:var(--shadow)}
.kg-list b{display:block;color:var(--b);margin-bottom:4px;font-weight:800}
.kg-list span{font-size:12px;color:var(--m);line-height:1.45}
.muted{color:var(--m)}
code{font-size:12px;background:#f1f3f7;padding:1px 6px;border-radius:4px;color:#364152}
.kg-intro + .kg-layout, .kg-wrap > section > h2{
  font-size:18px;color:var(--b);font-weight:800;margin:8px 0 12px;
}