/* ===== Writer B 页面公共样式（features / format / usecases 共用，各页一份拷贝） ===== */
.doc-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:48px;padding-top:48px;padding-bottom:96px;align-items:start}
.doc-main{min-width:0}
.doc-toc{position:sticky;top:84px;max-height:calc(100vh - 104px);overflow:auto;font-size:14px}
.doc-toc-h{font-size:12.5px;font-weight:600;letter-spacing:1px;color:var(--muted);margin:0 0 10px 12px}
.doc-toc ol{list-style:none;margin:0;padding:0;border-left:1px solid var(--border)}
.doc-toc li a{display:block;padding:6px 12px;margin-left:-1px;border-left:2px solid transparent;color:var(--muted);line-height:1.45}
.doc-toc li a:hover{color:var(--strong);text-decoration:none}
.doc-toc li a.on{color:var(--accent);border-left-color:var(--accent);font-weight:600}
.tg{display:inline-flex;align-items:center;font-size:12px;font-weight:600;padding:1px 9px;border-radius:5px;border:1px solid;white-space:nowrap;line-height:1.6}
.tg.t-free{color:#3B6E39;border-color:#BFD9BD;background:#F5FAF4}
.tg.t-std{color:#005FB8;border-color:#B6D2EE;background:#F2F7FC}
.tg.t-pro{color:#fff;border-color:transparent;background:linear-gradient(90deg,var(--g1),var(--g2))}
.badge{white-space:nowrap}
.doc-main code,.uc code{font-family:var(--mono);font-size:.88em;background:#F0F0F0;padding:0 5px;border-radius:4px;word-break:break-word}
kbd{font-family:var(--mono);font-size:.82em;border:1px solid var(--border-strong);border-bottom-width:2px;border-radius:4px;padding:0 5px;background:#FAFAFA;color:var(--strong)}
.cb{margin:18px 0}
.cb .bar{justify-content:flex-start}
.cb-note{margin-left:auto;font-family:var(--font);font-size:12px;color:var(--muted)}
.cb pre{font-size:13px;line-height:1.7;max-height:none}
.cb pre code{background:none;padding:0;font-size:inherit;word-break:normal}
.cb .c-f{color:#795E26}
.src{font-size:12.5px;color:#8A8A8A;margin-top:-8px}
.doc-main .callout{margin:0 0 24px}
.doc-main .table-wrap{margin:18px 0}
@media (max-width:1024px){
  .doc-layout{grid-template-columns:1fr;gap:0;padding-top:24px}
  .doc-toc{position:static;max-height:none;margin-bottom:28px;border:1px solid var(--border);border-radius:var(--radius);padding:14px 10px 10px;background:var(--bg)}
  .doc-toc ol{border-left:0;display:flex;flex-wrap:wrap;gap:6px}
  .doc-toc li a{border:1px solid var(--border);border-radius:999px;padding:3px 12px;margin:0;background:#fff;font-size:13.5px}
  .doc-toc li a.on{border-color:var(--accent)}
}
@media (max-width:760px){
  .doc-layout{padding-bottom:64px}
  .cb pre{font-size:12px;padding:14px}
}
.page-hero h1 .hl{display:inline-block}
/* ===== features.html ===== */
.fx-stats{display:flex;justify-content:center;gap:12px;margin-top:30px;flex-wrap:wrap}
.fx-stats div{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:12px 22px;min-width:110px}
.fx-stats b{display:block;font-size:28px;color:var(--strong);line-height:1.2}
.fx-stats span{font-size:13px;color:var(--muted)}
.legend{display:flex;flex-direction:column;gap:10px;border:1px solid var(--border);border-radius:var(--radius);padding:14px 18px;background:var(--bg);margin-bottom:8px}
.legend-g{display:flex;align-items:center;flex-wrap:wrap;gap:8px 8px}
.legend-t{font-weight:600;color:var(--strong);font-size:14px;margin-right:6px}
.legend-d{font-size:13px;color:var(--muted);margin-right:12px}
.fx-sec{padding:56px 0 0;scroll-margin-top:72px}
.fx-head{margin-bottom:20px}
.fx-head h2{font-size:28px;margin:6px 0 10px}
.fx-head p{color:var(--muted);max-width:760px}
.fx-list{list-style:none;margin:0;padding:0;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;background:var(--surface)}
.fx{display:flex;gap:20px;align-items:flex-start;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}
.fx:last-child{border-bottom:0}
.fx:hover{background:#FAFBFC}
.fx h4{margin:0;font-size:16px;color:var(--strong);font-weight:600}
.fx p{color:var(--muted);font-size:14.5px;margin-top:4px;line-height:1.7}
.fx-tags{display:flex;gap:6px;flex:none;align-items:center;padding-top:2px}
.fx-plan h4{color:var(--text)}
.fx-plan{background:#FCFCFC}
.fx-more{margin-top:14px;font-size:14px;color:var(--muted)}
.fx-cta{margin-top:64px}
@media (max-width:760px){
  .fx{flex-direction:column;gap:8px;padding:14px 16px}
  .fx-head h2{font-size:23px}
  .fx-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
  .fx-stats div{min-width:0;padding:10px 4px}
  .fx-stats b{font-size:22px}
}
.fx-shots{margin-top:18px}
.fx-shots-h{font-size:13px;font-weight:600;color:var(--muted);margin-bottom:10px;letter-spacing:.3px}
.fx-shots .shotg .cap{font-size:13px}