/* C–G 统一互动体验布局：顶部分类切换、左侧演示、右侧联动说明。 */
:root{--wh:520px}

header.top .lede{max-width:760px;color:var(--ink-soft);font-size:15px;line-height:1.75}

.experience-section{position:relative;max-width:1240px;margin:0 auto 28px;padding:30px 32px 32px;
  border:0;border-radius:0;background:transparent;box-shadow:none}
.experience-section::before{display:none}
.experience-head{max-width:none;margin:0 0 22px;display:flex;align-items:flex-end;
  justify-content:space-between;gap:32px;padding:0 8px}
.experience-kicker{font:10.5px var(--mono);letter-spacing:.1em;text-transform:uppercase;
  color:var(--accent);margin-bottom:8px}
.experience-head h2{font-family:var(--serif);font-size:30px;line-height:1.2;letter-spacing:-.015em;margin-bottom:7px}
.experience-head p{font-size:13.5px;color:var(--ink-soft);max-width:680px}
.experience-status{flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);
  color:var(--ink-soft);background:var(--bg);border-radius:100px;padding:7px 12px;font:10px var(--mono)}
.experience-status::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 4px var(--accent-soft)}

.experience-section .layout{display:grid;width:100%;box-sizing:border-box;grid-template-columns:minmax(0,1fr) 320px;
  grid-template-areas:'side side' 'workspace info';gap:0;padding:0;max-width:none;margin:0;align-items:start;
  background:var(--paper);border:1px solid var(--line);border-radius:16px;
  box-shadow:none;overflow:hidden}
.experience-section .workspace{grid-area:workspace;height:var(--wh);border:0;border-radius:0;box-shadow:none}
.experience-section .ws-nav{background:var(--paper)}
.experience-section .side{grid-area:side;height:auto;align-self:stretch;border-bottom:1px solid var(--line)}
.experience-section .layout>.card.info{grid-area:info;align-self:stretch}
.experience-section .side>.card{height:auto;min-height:0;border:0;border-radius:0;box-shadow:none;overflow:hidden}
.experience-section .side .hd,.experience-section .side .hintbar{display:none}

.experience-section .list{padding:10px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;overflow:visible}
.experience-section .entry-group{padding:3px 10px 8px;min-width:0;display:grid;grid-template-columns:1fr;gap:4px;align-content:start}
.experience-section .entry-group.is-double{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:6px}
.experience-section .entry-group+.entry-group{border-left:1px dashed var(--line-soft)}
.experience-section .entry-group-head{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;
  padding:2px 6px 4px 0;font:9.5px var(--mono);letter-spacing:.08em;color:var(--ink-mute);text-transform:uppercase}
.experience-section .entry-group-head b{color:var(--ink-soft);font-weight:500}
.experience-section button.entry{width:100%;min-height:40px;padding:7px 8px;border:1px solid transparent;
  border-radius:8px;background:transparent;color:inherit;text-align:left;font-family:inherit;cursor:pointer;
  display:flex;align-items:center;justify-content:flex-start;gap:8px;font-size:13px}
.experience-section button.entry:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.experience-section button.entry:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;background:var(--accent-soft)}
.experience-section button.entry.on{border-color:var(--accent);color:var(--accent);background:var(--accent-soft);
  box-shadow:none}
.experience-section .entry.on .nm,.experience-section .entry.on .em-ico{color:var(--accent)}
.experience-section .entry .em-ico{width:24px;height:24px;flex:0 0 auto;border-radius:8px;background:var(--bg-2);
  display:grid;place-items:center;font-size:14px}
.experience-section .entry.on .em-ico{background:var(--paper)}
.experience-section .entry .nm{flex:1;font-weight:600;white-space:nowrap}
.experience-section .entry .cat,.experience-section .entry .play{display:none}

.experience-section .info{height:var(--wh);overflow-y:auto;border:0;border-left:1px solid var(--line);
  border-radius:0;box-shadow:none;padding:17px 20px}
.experience-section .info-head{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;
  padding-bottom:11px;border-bottom:1px dashed var(--line);margin-bottom:12px}
.experience-section .info-title-wrap{min-width:0}
.experience-section .replay-demo{border:1px solid var(--accent);background:var(--accent);color:#fff;border-radius:8px;
  padding:7px 10px;font:11px var(--mono);white-space:nowrap;cursor:pointer}
.experience-section .replay-demo:hover,.experience-section .replay-demo:focus-visible{background:#2923D9;outline:none}
.experience-section .info h4{font-family:var(--serif);font-weight:900;font-size:20px}
.experience-section .info-desc{font-size:13px;color:var(--ink-soft);line-height:1.65;margin-bottom:13px;
  max-width:960px;padding-bottom:12px;border-bottom:1px dashed var(--line)}
.experience-section .info-grid{display:grid;grid-template-columns:1fr;gap:0}
.experience-section .info-grid .cell{padding:12px 0;border:0;border-top:1px dashed var(--line-soft)}
.experience-section .info-grid .cell:first-child{padding-top:0;border-top:0}
.experience-section .info-grid .cell>div{font-size:12.5px;color:var(--ink-soft);line-height:1.55}
.experience-section .info ul{margin:0;padding-left:15px;font-size:12.5px;color:var(--ink-soft)}
.experience-section .info .cau{font-size:12.5px}
.experience-section .info-reference{display:block;margin-top:12px;padding-top:11px;border-top:1px dashed var(--line)}
.experience-section .info-reference dt{margin-bottom:8px}
.experience-section .md-info-extra{grid-template-columns:1fr}
.experience-section .md-extra{padding:12px 0;border-left:0;border-top:1px dashed var(--line-soft)}
.experience-section .md-extra:first-child{padding-top:0;border-top:0}
.experience-section .md-implementation{grid-template-columns:1fr}
.experience-section .md-implementation-cell{padding:12px 0;border-left:0;border-top:1px dashed var(--line-soft)}
.experience-section .md-implementation-cell:first-child{padding-top:0;border-top:0}

@media(max-width:900px){
  .experience-section{margin:0 0 28px;padding:24px 16px 28px}
  .experience-head{align-items:flex-start;flex-direction:column;gap:12px}
  .experience-section .layout{grid-template-columns:1fr;grid-template-areas:'side' 'workspace' 'info'}
  .experience-section .list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .experience-section .entry-group:nth-child(3){border-left:0}
  .experience-section .entry-group:nth-child(n+3){border-top:1px dashed var(--line-soft);padding-top:10px}
  .experience-section .info{height:auto;max-height:none;border-left:0;border-top:1px solid var(--line)}
}
@media(max-width:620px){
  .experience-section{margin:0 0 24px;padding:22px 16px 24px;border-radius:0}
  .experience-head h2{font-size:24px}
  .experience-status{display:none}
  .experience-section .list{grid-template-columns:1fr;padding:8px}
  .experience-section .entry-group+.entry-group{border-left:0;border-top:1px dashed var(--line-soft);padding-top:10px}
}