@property --ang{syntax:"<angle>";initial-value:0deg;inherits:false}:root,[data-theme=dark]{color-scheme:dark;--bg:#0d1016;--bg-2:#121722;--panel:#151b25;--panel-solid:#151b25;--panel-2:#1a2230;--panel-accent:#1a2230;--elevated:#202938;--text:#f0f2f6;--text-2:#b0b7c3;--text-3:#788292;--border:rgba(255,255,255,0.085);--border-strong:rgba(255,255,255,0.14);--shadow:0 1px 2px rgba(0,0,0,0.25),0 10px 30px rgba(0,0,0,0.28);--mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,monospace;--accent:#8a7cf6;--accent-2:#a99cff;--accent-deep:#655bd4;--accent-bg:rgba(138,124,246,0.13);--accent-text:#b6acfa;--accent-glow:rgba(138,124,246,0.26);--ok:#53c6a5;--warn:#e3ad58;--risk:#e47777;--info:#6fa5df;--teal:#53c6a5;--teal-bg:rgba(83,198,165,0.12);--teal-border:rgba(83,198,165,0.3);--teal-text:#7fd8bf;--amber:#e3ad58;--amber-bg:rgba(227,173,88,0.13);--green:#53c6a5;--green-bg:rgba(83,198,165,0.13);--err:#e47777;--err-bg:rgba(228,119,119,0.1);--line:var(--border);--card-bg:var(--panel-2);--mono-font:var(--mono);--fg:var(--text);--fg-dim:var(--text-2);--muted:var(--text-3);--blob-a:rgba(138,124,246,0.05);--blob-b:rgba(83,198,165,0.035);--code-bg:#0f131b;--code-text:#dfe3ee;--code-ln:rgba(220,224,238,0.2);--code-dim:0.4;--code-hl:rgba(138,124,246,0.14);--code-hl-bar:#8a7cf6}[data-theme=light]{color-scheme:light;--bg:#eceef2;--bg-2:#f4f5f8;--panel:#ffffff;--panel-solid:#ffffff;--panel-2:#f4f5f8;--panel-accent:#f7f8fb;--elevated:#ffffff;--text:#1a1f2b;--text-2:#565f6e;--text-3:#8a93a2;--border:rgba(20,25,35,0.1);--border-strong:rgba(20,25,35,0.16);--shadow:0 1px 2px rgba(20,25,40,0.05),0 10px 30px rgba(20,25,40,0.08);--accent:#655bd4;--accent-2:#8a7cf6;--accent-deep:#514ac0;--accent-bg:rgba(101,91,212,0.1);--accent-text:#514097;--accent-glow:rgba(101,91,212,0.22);--ok:#1f9d78;--warn:#b47818;--risk:#c95a5a;--info:#3f7cbf;--teal:#1f9d78;--teal-bg:rgba(31,157,120,0.1);--teal-border:rgba(31,157,120,0.3);--teal-text:#16745a;--amber:#b47818;--amber-bg:rgba(180,120,24,0.12);--green:#1f9d78;--green-bg:rgba(31,157,120,0.12);--err:#c95a5a;--err-bg:rgba(201,90,90,0.1);--blob-a:rgba(101,91,212,0.05);--blob-b:rgba(31,157,120,0.04);--code-bg:#14151f;--code-text:#dcdcea;--code-ln:rgba(220,220,234,0.22);--code-dim:0.36;--code-hl:rgba(101,91,212,0.13);--code-hl-bar:#655bd4}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}body:after,body:before{content:"";position:fixed;z-index:-1;border-radius:50%;pointer-events:none}body:before{width:780px;height:580px;top:-240px;left:-180px;background:radial-gradient(closest-side,var(--blob-a),transparent);animation:drift1 26s ease-in-out infinite alternate}body:after{width:700px;height:560px;top:22%;right:-240px;background:radial-gradient(closest-side,var(--blob-b),transparent);animation:drift2 34s ease-in-out infinite alternate}@keyframes drift1{to{transform:translate(150px,100px) scale(1.18)}}@keyframes drift2{to{transform:translate(-170px,140px) scale(.9)}}.grain{position:fixed;inset:0;z-index:90;pointer-events:none;opacity:.04;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/></filter><rect width='140' height='140' filter='url(%23n)'/></svg>")}::selection{background:var(--accent);color:#fff}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.page{width:100%;min-width:0;max-width:1120px;margin:0 auto;padding:28px 24px 48px}.mono{font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,monospace;font-size:12px}.header{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:14px;margin-bottom:22px}.header h1{font-size:21px;font-weight:650;margin:0;letter-spacing:.01em}.brand{background:linear-gradient(120deg,var(--accent-2),var(--teal));-webkit-background-clip:text;background-clip:text;color:transparent;margin-right:2px}.subtitle{margin:2px 0 0;font-size:13px;color:var(--text-3)}.progress{position:relative;display:flex;align-items:center;gap:10px;padding:8px 6px}.progress:before{content:"";position:absolute;left:8px;right:8px;top:50%;height:2px;transform:translateY(-50%);background:var(--border);border-radius:2px}.pdot{position:relative;width:9px;height:9px;padding:0;border-radius:50%;border:none;background:var(--text-3);box-shadow:0 0 0 3px var(--bg);cursor:pointer;transition:transform .25s cubic-bezier(.34,1.56,.64,1),background .25s ease,box-shadow .25s ease}.pdot:hover{transform:scale(1.4);background:var(--accent-2)}.pdot.cur,.pdot.done{background:var(--accent)}.pdot.cur{transform:scale(1.45);box-shadow:0 0 0 5px var(--accent-bg)}.narration{position:relative;background:var(--panel);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--border);border-radius:18px;padding:18px 22px 16px;margin-bottom:18px;box-shadow:var(--shadow);overflow:hidden}.narration:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--accent-2),var(--teal))}.n-head{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}.n-step{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;font-weight:700;letter-spacing:.08em;color:var(--accent);background:var(--accent-bg);padding:2px 10px;border-radius:999px;white-space:nowrap}.n-step i{font-style:normal;opacity:.55}.n-head h2{margin:0;font-size:16.5px;font-weight:650}.n-body{margin:8px 0 0;font-size:14px;color:var(--text-2)}.faq{margin-top:12px;border-top:1px dashed var(--border);padding-top:10px;font-size:13.5px}.faq summary{cursor:pointer;list-style:none;color:var(--accent-text);font-weight:550;-webkit-user-select:none;-moz-user-select:none;user-select:none;display:flex;align-items:center;gap:6px;transition:opacity .15s ease}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"▸";font-size:11px;color:var(--text-3);transition:transform .25s ease}.faq[open] summary:after{transform:rotate(90deg)}.faq summary:hover{opacity:.8}.faq-chick{font-size:14px}.faq p{margin:8px 0 2px;color:var(--text-2);animation:rise .35s cubic-bezier(.22,1,.36,1)}.grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,1fr);grid-gap:16px;gap:16px}@media (max-width:780px){.grid{grid-template-columns:1fr}}.panel{background:var(--panel);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--border);border-radius:18px;padding:16px 18px;display:flex;flex-direction:column;min-height:420px;box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease}.panel:hover,.stage-panel:hover{transform:translateY(-2px);box-shadow:0 2px 4px rgba(0,0,0,.06),0 18px 48px rgba(0,0,0,.14)}.panel-title{display:flex;align-items:center;flex-wrap:wrap;gap:8px;min-width:0;font-size:12.5px;font-weight:600;color:var(--text-3);letter-spacing:.02em;padding-bottom:12px;border-bottom:1px solid var(--border);margin-bottom:12px}.tdot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.tdot-chat{background:var(--accent-2);box-shadow:0 0 8px var(--accent-glow)}.tdot-xray{background:var(--teal);box-shadow:0 0 8px var(--teal-border)}.tdot-code{background:var(--amber);box-shadow:0 0 8px var(--amber-bg)}.len{margin-left:auto;flex-shrink:0;white-space:nowrap;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;font-weight:500;color:var(--text-3);background:var(--panel-2);padding:1px 9px;border-radius:999px}.panel-body{flex-direction:column;gap:10px}.empty,.panel-body{display:flex;flex:1 1}.empty{align-items:center;justify-content:center;font-size:13px;color:var(--text-3);min-height:120px}.bubble-user{align-self:flex-end;max-width:88%;background:linear-gradient(135deg,var(--accent-2),var(--accent));color:#fff;border-radius:16px 16px 4px 16px;box-shadow:0 4px 14px var(--accent-glow)}.bubble-assistant,.bubble-user{padding:9px 15px;font-size:14px}.bubble-assistant{align-self:flex-start;max-width:92%;background:var(--panel-2);border-radius:16px 16px 16px 4px}.tool-chip{border:1px solid var(--teal-border);background:var(--teal-bg);border-radius:12px;padding:9px 13px}.tool-chip-head{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:12px;font-weight:650;color:var(--teal-text)}.tool-chip-head:before{content:"⚙";font-size:13px}.tool-chip-code{margin-top:4px;color:var(--teal)}.tool-pending{margin-left:auto;display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:600;background:var(--amber-bg);color:var(--amber);padding:2px 9px;border-radius:999px}.tool-pending:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber);animation:pulse 1.3s ease-in-out infinite}.tool-output{border-radius:12px;padding:9px 13px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;color:var(--text-2);white-space:pre-wrap;word-break:break-all}.card,.tool-output{background:var(--panel-2)}.card{border:1px solid var(--border);border-radius:12px;padding:8px 13px}.card-sys{background:transparent;border-style:dashed}.card-purple{border-color:var(--accent-glow);background:var(--accent-bg)}.card-purple .card-body,.card-purple .card-tag{color:var(--accent-text)}.card-teal{border-color:var(--teal-border);background:var(--teal-bg)}.card-teal .card-body,.card-teal .card-tag{color:var(--teal-text)}.card-head{display:flex;align-items:baseline;gap:8px}.card-idx{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;color:var(--text-3);opacity:.85}.card-tag{font-size:11px;font-weight:600;color:var(--text-3)}.card-body{font-size:13px;color:var(--text-2);word-break:break-all;margin-top:1px}.status{display:flex;gap:8px;flex-wrap:wrap;border-top:1px solid var(--border);padding-top:12px;margin-top:14px}.chip{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;color:var(--text-2);background:var(--panel-2);border:1px solid var(--border);padding:2px 10px;border-radius:999px;transition:all .3s ease}.chip-tool{color:var(--amber);background:var(--amber-bg)}.chip-end,.chip-tool{border-color:transparent}.chip-end{color:var(--green);background:var(--green-bg);font-weight:700;animation:endPulse 1.4s ease 1}@keyframes endPulse{0%{box-shadow:0 0 0 0 rgba(120,190,60,.55)}to{box-shadow:0 0 0 12px rgba(120,190,60,0)}}.code-panel{margin-top:16px;background:var(--panel);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--border);border-radius:18px;padding:16px 18px;box-shadow:var(--shadow)}.code-window{background:var(--code-bg);border-radius:14px;overflow:hidden;border:1px solid rgba(255,255,255,.07)}.code-bar{display:flex;align-items:center;gap:7px;padding:11px 16px;background:rgba(255,255,255,.035);border-bottom:1px solid rgba(255,255,255,.05)}.wdot{width:11px;height:11px;border-radius:50%}.wdot-r{background:#ff5f57}.wdot-y{background:#febc2e}.wdot-g{background:#28c840}.code-file{margin-left:8px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;letter-spacing:.04em;color:rgba(220,220,234,.45)}.code{background:var(--code-bg);padding:14px 0;overflow-x:auto;font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,monospace;font-size:12.5px;line-height:1.85;color:var(--code-text)}.code::-webkit-scrollbar,.run-term::-webkit-scrollbar{height:8px}.code::-webkit-scrollbar-thumb,.run-term::-webkit-scrollbar-thumb{background:rgba(220,220,234,.14);border-radius:8px}.code::-webkit-scrollbar-track,.run-term::-webkit-scrollbar-track{background:transparent}.cl{display:flex;padding:0 16px;opacity:var(--code-dim);transition:opacity .4s ease,background .4s ease,box-shadow .4s ease;white-space:pre}.cl.on{opacity:1;background:var(--code-hl);box-shadow:inset 3px 0 0 var(--code-hl-bar)}.ln{width:2.2em;flex-shrink:0;text-align:right;margin-right:16px;color:var(--code-ln);-webkit-user-select:none;-moz-user-select:none;user-select:none}.ct{white-space:pre}.tk-kw{color:#c0b3ff}.tk-str{color:#f5cf7a}.tk-cmt{color:#7d8590;font-style:italic}.code-note{margin:12px 2px 2px;font-size:12.5px;color:var(--text-3)}.controls{position:-webkit-sticky;position:sticky;bottom:16px;z-index:10;display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:20px;padding:10px 14px;background:var(--panel);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid var(--border);box-shadow:var(--shadow)}.btn,.controls{border-radius:999px}.btn{font:inherit;font-size:14px;padding:8px 18px;border:1px solid var(--border);background:transparent;color:var(--text);cursor:pointer;transition:transform .15s ease,background .15s ease,box-shadow .2s ease}.btn:hover:not(:disabled){background:var(--panel-2)}.btn:active:not(:disabled){transform:scale(.96)}.btn:disabled{opacity:.38;cursor:default}.btn-primary{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--accent-2),var(--accent));border-color:transparent;color:#fff;font-weight:600;box-shadow:0 6px 18px var(--accent-glow)}.btn-primary:before{content:"";position:absolute;top:0;bottom:0;left:-80%;width:55%;background:linear-gradient(105deg,transparent,rgba(255,255,255,.35),transparent);transform:skewX(-18deg);transition:left .55s ease}.btn-primary:hover:before{left:130%}.btn-primary:hover:not(:disabled){background:linear-gradient(135deg,var(--accent-2),var(--accent));transform:translateY(-1px);box-shadow:0 9px 24px var(--accent-glow)}.hint{margin-left:auto;font-size:12px;color:var(--text-3);white-space:nowrap}.hint kbd{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;background:var(--panel-2);border:1px solid var(--border);border-radius:5px;padding:1px 6px}@media (max-width:640px){.hint{display:none}}.appear{animation:rise .45s cubic-bezier(.22,1,.36,1)}@keyframes rise{0%{opacity:0;transform:translateY(10px) scale(.985);filter:blur(5px)}to{filter:blur(0)}}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.72)}}.page-title{font-size:19px;font-weight:650;margin:0}.page-title:before{content:"";display:inline-block;width:9px;height:9px;border-radius:2.5px;background:linear-gradient(135deg,var(--accent-2),var(--teal));margin-right:10px;transform:rotate(45deg)}.lang-switch{display:flex;gap:2px;padding:3px;border:1px solid var(--border);border-radius:999px;background:var(--panel)}.lang-switch button{font:inherit;font-size:12px;font-weight:600;padding:3px 12px;border:none;border-radius:999px;background:transparent;color:var(--text-2);cursor:pointer;transition:background .2s ease,color .2s ease,box-shadow .2s ease}.lang-switch button.on{background:linear-gradient(135deg,var(--accent-2),var(--accent));color:#fff;box-shadow:0 2px 8px var(--accent-glow)}a.btn{text-decoration:none;display:inline-flex;align-items:center}.stage-panel{background:var(--panel);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--border);border-radius:18px;padding:20px;box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease}.stage{min-height:320px;flex-direction:column;gap:26px}.sc-row,.stage{display:flex;align-items:center;justify-content:center}.sc-row{gap:22px;flex-wrap:wrap}.sc-caption{font-size:13px;color:var(--text-3);text-align:center;animation:rise .5s 2s backwards}.sc-bubble{max-width:250px;padding:10px 16px;border-radius:16px;font-size:14px}.sc-in{background:linear-gradient(135deg,var(--accent-2),var(--accent));color:#fff;border-bottom-right-radius:4px;box-shadow:0 4px 14px var(--accent-glow);animation:flyRight .6s .15s backwards}.sc-out{background:var(--panel-2);border-bottom-left-radius:4px;animation:flyLeft .6s 1.4s backwards}.sc-sad{border:1px solid var(--amber-bg)}@keyframes flyRight{0%{opacity:0;transform:translateX(-26px)}}@keyframes flyLeft{0%{opacity:0;transform:translateX(26px)}}.sc-brain{display:flex;flex-direction:column;align-items:center;gap:2px;padding:16px 24px;border-radius:20px;border:1px solid var(--border);background:var(--panel-2);animation:brainGlow 2.6s ease-in-out .7s infinite}.sc-brain-emoji{font-size:34px}.sc-brain-label{font-size:12px;color:var(--text-3)}@keyframes brainGlow{0%,to{box-shadow:0 0 0 0 transparent}50%{box-shadow:0 0 26px var(--accent-glow)}}.sc-shake{animation:headShake .55s 1.3s 2}@keyframes headShake{0%,to{transform:translateX(0)}25%{transform:translateX(-6px) rotate(-2deg)}75%{transform:translateX(6px) rotate(2deg)}}.sc-locks{display:flex;gap:30px}.sc-locks span{position:relative;font-size:28px;animation:rise .4s backwards}.sc-locks span:first-child{animation-delay:1.6s}.sc-locks span:nth-child(2){animation-delay:1.8s}.sc-locks span:nth-child(3){animation-delay:2s}.sc-locks i{position:absolute;right:-9px;bottom:-6px;font-size:15px;font-style:normal}.sc-duo{width:100%}.sc-actor{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:14px;font-weight:600;padding:14px 20px;border-radius:16px;background:var(--panel-2);border:1px solid var(--border)}.sc-actor>span{font-size:30px}.sc-actor small{font-size:11px;color:var(--text-3);font-weight:400}.sc-lane{position:relative;flex:1 1;max-width:330px;min-width:230px;height:116px}.sc-fly{position:absolute;left:0;right:0;margin:auto;width:max-content;max-width:100%;padding:6px 12px;border-radius:10px;opacity:0}.sc-req{top:12px;background:var(--accent-bg);color:var(--accent-text);border:1px solid var(--accent-glow);animation:laneGo 4.4s ease-in-out .3s infinite}.sc-res{bottom:12px;background:var(--teal-bg);color:var(--teal-text);border:1px solid var(--teal-border);animation:laneBack 4.4s ease-in-out 2.5s infinite}@keyframes laneGo{0%{opacity:0;transform:translateX(-72px)}12%{opacity:1}38%{opacity:1}50%,to{opacity:0;transform:translateX(72px)}}@keyframes laneBack{0%{opacity:0;transform:translateX(72px)}12%{opacity:1}38%{opacity:1}50%,to{opacity:0;transform:translateX(-72px)}}.loop-wrap{position:relative;width:min(600px,100%);height:320px}.loop-wrap:before{content:"";position:absolute;inset:15% 13% 24% 13%;border:2px dashed var(--border);border-radius:32px}.loop-node{position:absolute;width:168px;text-align:center;padding:12px 10px;font-size:13px;font-weight:550;line-height:1.45;border-radius:14px;background:var(--panel);border:1px solid var(--border);box-shadow:var(--shadow);animation:popIn .45s backwards}.ln1{top:2%;left:2%;border-color:var(--accent-glow);animation-delay:.1s}.ln2{top:2%;right:2%;animation-delay:.35s}.ln3{right:2%;border-color:var(--teal-border);animation-delay:.6s}.ln3,.ln4{bottom:12%}.ln4{left:2%;animation-delay:.85s}.loop-dot{position:absolute;width:13px;height:13px;border-radius:50%;background:linear-gradient(135deg,var(--accent-2),var(--accent));box-shadow:0 0 14px var(--accent-glow);animation:loopTravel 6.5s linear 1.2s infinite}@keyframes loopTravel{0%{top:calc(15% - 6px);left:calc(13% - 6px)}25%{top:calc(15% - 6px);left:calc(87% - 7px)}50%{top:calc(76% - 7px);left:calc(87% - 7px)}75%{top:calc(76% - 7px);left:calc(13% - 6px)}to{top:calc(15% - 6px);left:calc(13% - 6px)}}.loop-exit{position:absolute;left:50%;transform:translateX(-50%);bottom:0;font-size:12.5px;color:var(--text-3);background:var(--green-bg);padding:5px 14px;border-radius:999px;white-space:nowrap;animation:rise .5s 1.4s backwards}.loop-exit b{color:var(--green)}@keyframes 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