/* 第 34 章 · 失败迭代（专属场景） */
.c34-stage{position:relative;height:300px;border-radius:18px;border:1px solid rgba(248,113,113,.22);background:linear-gradient(180deg,#160808,#080304);overflow:hidden}
.c34-rig{position:absolute;left:6%;right:6%;bottom:24px;height:150px;border-radius:10px;background:repeating-linear-gradient(0deg,rgba(248,113,113,.05) 0 34px,rgba(248,113,113,.09) 34px 35px);border:1px solid rgba(248,113,113,.25)}
.c34-car{position:absolute;left:50%;bottom:96px;transform:translateX(-50%);width:170px;height:74px;z-index:5;transition:.3s}
.c34-car svg{width:100%;height:100%;filter:drop-shadow(0 10px 14px rgba(0,0,0,.4))}
.c34-test .c34-car.run{animation:c34run 1.4s ease-in-out}
.c34-test.fail .c34-car{animation:c34fail .8s ease 2}
.c34-arrow{position:absolute;left:50%;bottom:170px;transform:translateX(-50%);font-size:20px;color:#FCA5A5;opacity:0;transition:.3s;z-index:6}
.c34-arrow.on{opacity:1;animation:c34bounce .5s ease infinite alternate}
.c34-label{position:absolute;left:14px;top:12px;font-size:8px;letter-spacing:.16em;color:rgba(252,165,165,.75);z-index:9}
.c34-tip{position:absolute;right:14px;top:12px;font-size:8px;color:var(--faint);border:1px solid var(--line);border-radius:6px;padding:4px 7px;background:rgba(8,3,4,.6);z-index:9}
.c34-context-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin-top:8px}
.c34-context{padding:8px 10px;border-radius:9px;border:1px solid var(--line);background:rgba(255,255,255,.025);color:var(--dim);text-align:left;font-size:9.5px;line-height:1.5}
.c34-context b{display:block;color:var(--ink);font-size:10px;margin-bottom:2px}
.c34-context:hover,.c34-context.on{border-color:rgba(248,113,113,.55);background:rgba(248,113,113,.08)}
.c34-fails{display:grid;grid-template-columns:1fr 1fr;gap:5px}
.c34-fail{padding:6px 8px;border-radius:7px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--dim);font-size:8.5px;text-align:left}
.c34-fail:hover,.c34-fail.on{border-color:rgba(248,113,113,.55);background:rgba(248,113,113,.08);color:#FCA5A5}
.c34-actions{display:flex;gap:5px;flex-wrap:wrap;margin-top:6px}
.c34-act{padding:4px 8px;border-radius:6px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--dim);font-size:8.5px}
.c34-act:hover,.c34-act.on{border-color:rgba(248,113,113,.55);background:rgba(248,113,113,.08);color:#FCA5A5}
.c34-log{display:flex;flex-direction:column;gap:4px;margin-top:5px;max-height:92px;overflow:auto}
.c34-entry{padding:4px 7px;border-radius:5px;border-left:2px solid #F87171;background:rgba(248,113,113,.06);font-size:7.5px;color:var(--dim);line-height:1.45}
.c34-entry b{color:#FCA5A5}
.c34-meters{display:flex;flex-direction:column;gap:5px;margin-top:6px}
.c34-meter{display:flex;align-items:center;gap:6px;font-size:8.5px;color:var(--faint)}
.c34-meter .bar{flex:1;height:6px;border-radius:99px;background:rgba(255,255,255,.1);overflow:hidden}
.c34-meter .bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,#F87171,#4FE0D0);transition:.5s}
.c34-test{position:relative;height:280px;border-radius:15px;border:1px solid rgba(248,113,113,.2);background:linear-gradient(180deg,#160808,#080304);overflow:hidden}
.c34-test .c34-stage{position:absolute;inset:8px;height:auto;border:0}
.c34-fixes{display:grid;grid-template-columns:1fr 1fr;gap:5px;margin-top:5px}
.c34-fix{padding:6px 8px;border-radius:7px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--dim);font-size:8.5px;text-align:left}
.c34-fix:hover,.c34-fix.on{border-color:rgba(79,224,208,.55);background:rgba(79,224,208,.08);color:var(--teal)}
.c34-bp-icon{width:150px;height:100px;margin:0 auto}
.c34-bp-icon svg{width:100%;height:100%}
@keyframes c34run{0%{left:40%}100%{left:62%}}
@keyframes c34fail{0%,100%{transform:translateX(-50%) rotate(0)}25%{transform:translateX(-50%) rotate(-3deg)}75%{transform:translateX(-50%) rotate(3deg)}}
@keyframes c34bounce{to{transform:translateX(-50%) translateY(-4px)}}
@media(max-width:900px){.c34-stage,.c34-test{height:250px}.c34-context-grid,.c34-fails{grid-template-columns:1fr}}
@media(max-height:800px){.c34-stage{height:286px}}