:root{--ink:oklch(18% .018 165);--paper:oklch(97.8% .006 165);--paper-rgb:248 250 249;--paper-elevated:#fff;--surface:oklch(95.8% .008 165);--line:#12261f29;--line-soft:#12261f14;--line-bright:rgb(var(--accent-rgb) / .28);--muted:oklch(43% .018 220);--accent:oklch(47% .13 154);--accent-dim:oklch(39% .12 154);--accent-rgb:20 124 75;--ember:oklch(56% .105 48);--ember-dim:oklch(46% .095 48);--ember-rgb:176 104 73;--ember-soft:rgb(var(--ember-rgb) / .1);--orange-rgb:201 110 74;--cyan-rgb:103 232 249;--accent-soft:rgb(var(--accent-rgb) / .1);--accent-ink:#fff;--chrome-bg:#0b1311;--chrome-fill:#ffffff0f;--chrome-fill-hover:#ffffff1c;--chrome-border:#ffffff24;--shadow-card:none;--shadow-elevated:none;--shadow-terminal:none;--shadow-product:none;--cap-surface:#fff;--cap-line:#11182714;--terminal-bg:#0a1110;--terminal-surface:#111a18;--terminal-line:#ffffff1a;--terminal-muted:#9ca3af;--terminal-ink:#f3f4f6;--terminal-green:#6ee7a7;--terminal-green-dim:#2fbf75;--terminal-green-glow:rgb(var(--accent-rgb) / .12);--terminal-orange:#f59e0b;--terminal-orange-dim:#d97706;--terminal-cyan:#67e8f9;--terminal-cyan-dim:#22d3ee;--radius:.25rem;--radius-card:.3rem;--radius-pill:.25rem;--font-sans:-apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", sans-serif;--font-mono:ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;--text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--text-md:1.0625rem;--text-lg:1.25rem;--text-xl:1.5rem;--leading-tight:1.22;--leading-snug:1.45;--leading-normal:1.6;--leading-relaxed:1.72;--tracking-caps:.06em;--measure:42rem;--section-gap:clamp(3.5rem, 7vw, 5.5rem);--h-cap-preview:clamp(17.5rem, 27vw, 21rem);--h-terminal:clamp(26rem, 52vh, 34rem);--h-terminal-stage:clamp(28rem, 56vh, 36rem);--h-hero-min:clamp(32rem, 70vh, 42rem);--h-demo-detail:17.5rem;--h-pain:6.25rem;--h-pain-pillar:19rem;--h-feature-cell:6.35rem;--h-lifecycle-cell:7.75rem;--h-principle-cell:5.85rem;--h-stack-end:13.5rem}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{color:var(--ink);background:linear-gradient(#12261f09 1px, transparent 1px), linear-gradient(90deg, #12261f08 1px, transparent 1px), var(--paper);font-family:var(--font-sans);font-size:var(--text-base);line-height:var(--leading-relaxed);font-kerning:normal;-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;background-size:48px 48px;margin:0;overflow-x:hidden}.terminal-site{background:0 0;min-height:100dvh;position:relative}.terminal-site:before,.terminal-site:after{content:none}a{color:inherit}button,a{-webkit-tap-highlight-color:transparent}code,.hero-label,.session-path-evidence,.session-path-line,.flow-terminal,.demo-command,.scenario-tabs button{font-family:var(--font-mono)}.skip-link{z-index:120;color:var(--accent-ink);font-family:var(--font-mono);background:var(--accent);border:1px solid var(--accent);padding:.75rem 1rem;position:absolute;top:-4rem;left:1rem}.skip-link:focus{top:1rem}.site-header{z-index:10;background:var(--chrome-bg);border-bottom:1px solid rgb(var(--accent-rgb) / .28);justify-content:space-between;align-items:center;gap:1.5rem;min-height:52px;padding:0 clamp(1.25rem,4vw,3rem);display:flex;position:sticky;top:0}.brand{color:var(--terminal-ink);align-items:center;gap:.65rem;font-weight:600;text-decoration:none;display:inline-flex}.brand-mark{object-fit:contain;object-position:center;width:2rem;height:2rem;display:block}.brand-logo{padding:0}.nav{align-items:center;gap:1.25rem;display:flex}.brand-name{font-size:var(--text-base);letter-spacing:.02em;text-transform:lowercase;font-weight:600}.nav a{color:#8a919c;font-family:var(--font-mono);letter-spacing:0;text-transform:none;font-size:.8125rem;font-weight:400;text-decoration:none;transition:color .14s}.nav a:hover{color:var(--terminal-green)}.terminal-panel{border:1px solid var(--line);background:var(--paper-elevated);box-shadow:var(--shadow-card);position:relative}.terminal-panel:before{content:none}.panel-header{border-bottom:1px solid var(--line);margin-bottom:clamp(1.5rem,3vw,2rem);padding-bottom:.65rem}.panel-tag{color:var(--accent);letter-spacing:.1em;text-transform:uppercase;background:var(--accent-soft);border:1px solid var(--line-bright);padding:.2rem .55rem;font-size:.68rem;font-weight:700;display:inline-block}.content-stack{max-width:76rem;margin:0 auto;padding:clamp(2.25rem,5vw,3.75rem) clamp(1.25rem,4vw,2.5rem)}.content-stack-problem{padding-bottom:clamp(1rem,2.5vw,1.75rem)}.stack-section{margin:0}.stack-heading{color:var(--accent);font-family:var(--font-mono);font-size:var(--text-sm);letter-spacing:0;text-transform:none;margin-bottom:.75rem;font-weight:500}.stack-lead{max-width:58ch;color:var(--muted);font-size:var(--text-base);line-height:var(--leading-normal);text-wrap:pretty;margin:0 0 .75rem}.section-title{max-width:min(100%,22ch);color:var(--ink);letter-spacing:0;text-transform:none;text-wrap:balance;margin-bottom:.75rem;font-size:clamp(1.85rem,1.55vw + 1.15rem,2.55rem);font-weight:600;line-height:1.14}.stack-lead-tight{max-width:42ch;font-size:var(--text-base);line-height:var(--leading-normal);margin-bottom:.75rem}.section-kicker{min-height:1.35rem;color:var(--accent);font-family:var(--font-mono);letter-spacing:0;text-transform:none;align-items:center;margin:0 0 .55rem;font-size:.75rem;font-weight:600;display:inline-flex}.section-kicker:before,.stack-heading:before{content:"$ ";color:var(--ember)}.section-kicker-pain,.section-kicker-cap{color:var(--accent)}.stack-divider{border:0;border-top:1px solid var(--line);margin:clamp(2rem,5vw,3.25rem) 0}.pain-pillars{background:0 0;border:0;grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch;gap:clamp(.85rem,2vw,1.2rem);display:grid}.pain-pillar{height:var(--h-pain-pillar);max-height:var(--h-pain-pillar);background:rgb(var(--paper-rgb) / .9);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);flex-direction:column;padding:clamp(1rem,2.2vw,1.25rem);display:flex;overflow:hidden}.pain-pillar-body{flex-direction:column;flex:auto;min-height:0;display:flex;overflow:hidden}.pain-pillar-title{color:var(--ink);font-size:var(--text-base);font-weight:600;line-height:var(--leading-snug);text-wrap:balance;flex-shrink:0;margin-bottom:.65rem}.pain-fragments{min-height:calc(var(--pain-fragment-rows,4) * 1.35rem + (var(--pain-fragment-rows,4) - 1) * .35rem);max-height:calc(var(--pain-fragment-rows,4) * 1.35rem + (var(--pain-fragment-rows,4) - 1) * .35rem);flex:auto;gap:.35rem;margin:0 0 .75rem;padding:0;list-style:none;display:grid;overflow:hidden}.pain-fragments li{min-height:1.35rem;color:var(--muted);font-size:var(--text-sm);line-height:var(--leading-snug);padding-left:.85rem;position:relative}.pain-fragments li.is-placeholder{visibility:hidden}.pain-fragments li.is-placeholder:before{opacity:0}.pain-fragments li:before{content:"";background:var(--accent);opacity:.58;border-radius:0;width:.24rem;height:.24rem;position:absolute;top:.55em;left:0}.pain-punchline{min-height:1.85rem;color:var(--ink);font-size:var(--text-base);font-weight:600;line-height:var(--leading-snug);flex-wrap:wrap;flex-shrink:0;align-items:baseline;gap:.35rem;margin:0 0 .55rem;display:flex}.pain-punchline.is-placeholder{visibility:hidden}.pain-fragments li.is-typing{color:var(--ink)}.pain-pillar-cursor{vertical-align:text-bottom;background:var(--accent);width:.45rem;height:.9em;margin-left:.1rem;animation:1.1s step-end infinite cursor-blink;display:inline-block}.pain-punchline.is-typing,.pain-note.is-typing{flex-wrap:wrap;align-items:baseline;gap:.35rem;display:flex}.pain-note{min-height:2.35rem;color:var(--muted);font-size:var(--text-sm);line-height:var(--leading-normal);text-wrap:wrap;flex-shrink:0;margin:0;font-style:normal;overflow:hidden}.pain-note.is-placeholder{visibility:hidden}.pain-punchline.show-reaction .pain-reaction{animation:.45s ease-out both pain-reaction-in}.pain-reaction{font-size:1.05em;line-height:1}html[lang=zh-CN] .pain-note{line-break:strict;word-break:keep-all}.capability-grid{background:0 0;border:0;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(.9rem,2vw,1.25rem);margin:clamp(1.25rem,2.6vw,1.8rem) 0 0;padding:0;list-style:none;display:grid}.capability-card{background:rgb(var(--paper-rgb) / .92);border:1px solid var(--line);border-radius:var(--radius-card);min-width:0;box-shadow:var(--shadow-card);flex-direction:column;gap:.85rem;padding:clamp(.95rem,2vw,1.2rem);transition:none;display:flex}.capability-card-head{align-items:center;gap:.55rem;display:flex}.capability-visual{--t-bg:var(--terminal-bg);--t-surface:var(--terminal-surface);--t-ink:var(--terminal-ink);--t-muted:var(--terminal-muted);--t-line:var(--terminal-line);--t-green:var(--terminal-green);--t-orange:var(--terminal-orange);--t-cyan:var(--terminal-cyan);height:var(--h-cap-preview);min-height:var(--h-cap-preview);max-height:var(--h-cap-preview);color:var(--t-ink);font-family:var(--font-mono);background:var(--t-bg);box-shadow:var(--shadow-terminal);border:1px solid #0000001f;border-radius:0;flex-direction:column;margin-bottom:.15rem;font-size:.75rem;line-height:1.4;transition:none;display:flex;overflow:hidden}.capability-visual-bar{color:var(--t-green);letter-spacing:.04em;text-transform:lowercase;background:var(--t-surface);border-bottom:1px solid var(--t-line);flex-shrink:0;padding:.48rem .75rem;font-size:.74rem}.capability-visual-body{flex-direction:column;flex:1;gap:.5rem;min-height:0;padding:.7rem .8rem .8rem;display:flex;overflow:hidden}.cap-flow-observer{gap:.35rem}.capability-visual .observer-status-line{color:#8a919c;text-overflow:ellipsis;white-space:nowrap;flex-shrink:0;font-size:.74rem;overflow:hidden}.capability-visual .exploration-timeline{gap:.6rem;padding:0}.capability-visual .exploration-card{border-bottom-color:#0000;padding:.72rem .75rem .78rem}.capability-visual .exploration-card.is-running{padding-left:.35rem}.capability-visual .exploration-card.is-compact{padding:.52rem .65rem}.capability-visual .exploration-intent{margin-bottom:.24rem;font-size:.84rem;line-height:1.35}.capability-visual .observer-tool-meta{margin-bottom:.42rem;font-size:.72rem}.capability-visual .summary-block{margin-top:.15rem}.capability-visual .summary-label{margin-bottom:.22rem;font-size:.68rem}.capability-visual .summary-block p{font-size:.76rem;line-height:1.48}.cap-map-node{align-items:center;gap:.35rem;min-width:0;display:flex}.cap-flow-badge{color:var(--accent);flex-shrink:0;font-size:.62rem}.cap-bracket{opacity:.55}.cap-map-label{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.cap-flow-dot{background:var(--t-green);width:.35rem;height:.35rem;box-shadow:0 0 .35rem rgb(var(--accent-rgb) / .35);border-radius:50%;flex-shrink:0;transition:transform .18s}.cap-map-node{padding-left:calc(var(--cap-depth,0) * .55rem);color:#8a919c;font-size:.7rem;line-height:1.45}.cap-map-node.is-done{opacity:.72}.cap-map-node.is-active{color:var(--t-ink)}.cap-map-prefix{color:#4a505a;flex-shrink:0}.capability-visual .cap-flow-badge{color:var(--t-cyan)}.visual-strategy-preview{height:var(--h-cap-preview);min-height:var(--h-cap-preview);max-height:var(--h-cap-preview);color:#18231f;border-radius:var(--radius-card);box-shadow:var(--shadow-card);background:#f8faf9;border:1px solid #12261f1a;flex-direction:column;margin-bottom:.15rem;display:flex;overflow:hidden}.visual-strategy-bar{color:#0f5132;font-family:var(--font-mono);background:#fff;border-bottom:1px solid #12261f14;flex-shrink:0;justify-content:space-between;align-items:center;gap:.75rem;padding:.58rem .78rem;font-size:.76rem;display:flex}.visual-strategy-bar small{color:#6b7a73;font-size:.68rem}.visual-strategy-body{background:#12261f14;flex:1;grid-template-rows:.95fr 1fr;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;min-height:0;display:grid}.visual-mode{background:#fff;min-width:0;min-height:0;padding:.7rem .78rem;overflow:hidden}.visual-mode-text{background:#fff;grid-column:1/-1}.visual-mode-tui{color:#f3f4f6;background:#0a1110}.visual-mode-title{color:#6b7a73;font-family:var(--font-mono);text-transform:uppercase;margin-bottom:.42rem;font-size:.68rem}.visual-mode-tui .visual-mode-title{color:#8a919c}.visual-text-card{background:#ffffffc2;border:1px solid #12261f14;border-radius:.55rem;padding:.62rem .68rem}.visual-text-card strong{color:#0f5132;margin-bottom:.2rem;font-size:.78rem;line-height:1.3;display:block}.visual-text-card p{color:#40524a;margin:0;font-size:.72rem;line-height:1.45}.visual-tui-lines span{color:#c8ccd4;font-family:var(--font-mono);text-overflow:ellipsis;white-space:nowrap;font-size:.78rem;line-height:1.65;display:block;overflow:hidden}.visual-tui-lines span:first-child{color:var(--terminal-green);font-weight:700}.visual-gui-window{background:#f8fafc;border:1px solid #0f172a14;border-radius:.5rem;gap:.42rem;height:calc(100% - .95rem);padding:.52rem;display:grid;position:relative}.visual-gui-window span{color:#475569;background:#fff;border:1px solid #0f172a14;border-radius:.4rem;align-items:center;min-width:0;min-height:1.35rem;padding:.2rem .45rem;font-size:.72rem;display:flex}.visual-gui-window span.is-active{color:#0f5132;background:rgb(var(--accent-rgb) / .1);border-color:rgb(var(--accent-rgb) / .24)}.visual-strategy-body{background:#eef4f1;grid-template-rows:1fr;grid-template-columns:1.08fr .92fr .92fr;gap:.65rem;padding:.7rem}.visual-mode{border-radius:var(--radius);box-shadow:none;border:1px solid #0000;flex-direction:column;gap:.55rem;padding:.72rem;display:flex}.visual-mode-head{justify-content:space-between;align-items:center;gap:.5rem;display:flex}.visual-mode-mark{color:#334155;height:1.2rem;font-family:var(--font-mono);letter-spacing:.04em;text-transform:uppercase;background:#0f172a0f;border-radius:999px;align-items:center;padding:0 .36rem;font-size:.58rem;font-weight:700;display:inline-flex}.visual-mode-title{text-align:right;margin-bottom:0}.visual-mode-text{background:#fffdfa;border-color:#c28a2638;grid-column:auto}.visual-mode-text .visual-mode-mark{color:#8a4b10;background:#f59e0b21}.visual-text-card{box-shadow:none;background:#fff;border-color:#c28a2629;flex:1}.visual-text-kind{color:#9a5b16;font-family:var(--font-mono);text-transform:lowercase;margin-bottom:.38rem;font-size:.6rem;display:inline-flex}.visual-text-tags{flex-wrap:wrap;gap:.35rem;margin-top:.55rem;display:flex}.visual-text-tags span{color:#7a4b13;font-family:var(--font-mono);background:#f59e0b1c;border-radius:999px;padding:.08rem .32rem;font-size:.58rem}.visual-mode-tui{background:#08110f;border-color:#6ee7a738}.visual-mode-tui .visual-mode-mark{color:#6ee7a7;background:#6ee7a71f}.visual-tui-panel{background:#030807;border:1px solid #6ee7a733;flex:1;min-height:0;padding:.62rem}.visual-tui-prompt{color:var(--terminal-green);font-family:var(--font-mono);margin-bottom:.45rem;font-size:.72rem}.visual-mode-gui{background:#f7fafc;border-color:#2563eb2e}.visual-mode-gui .visual-mode-mark{color:#1d4ed8;background:#2563eb1a}.visual-gui-window{background:#fff;border-color:#2563eb29;border-radius:.65rem;flex-direction:column;flex:1;gap:0;height:auto;padding:0;display:flex;overflow:hidden}.visual-gui-chrome{background:#eef4ff;border-bottom:1px solid #2563eb1f;align-items:center;gap:.28rem;min-height:1.45rem;padding:0 .45rem;display:flex}.visual-gui-chrome i{background:#60a5fa;border-radius:999px;width:.36rem;height:.36rem}.visual-gui-chrome span{color:#64748b;min-height:0;font-family:var(--font-mono);background:0 0;border:0;margin-left:auto;padding:0;font-size:.54rem}.visual-gui-canvas{gap:.42rem;padding:.52rem;display:grid}.visual-gui-canvas span{color:#475569;background:#fff;border:1px solid #0f172a14;border-radius:.4rem;align-items:center;min-width:0;min-height:1.35rem;padding:.2rem .45rem;font-size:.72rem;display:flex}.visual-gui-canvas span.is-active{color:#0f5132;background:rgb(var(--accent-rgb) / .1);border-color:rgb(var(--accent-rgb) / .24)}.wiki-file-preview{height:var(--h-cap-preview);min-height:var(--h-cap-preview);max-height:var(--h-cap-preview);color:#18231f;font-family:var(--font-sans);border-radius:var(--radius-card);box-shadow:var(--shadow-card);background:#fbfcfb;border:1px solid #12261f1a;flex-direction:column;margin-bottom:.15rem;display:flex;overflow:hidden}.wiki-file-bar{color:#1f332b;font-family:var(--font-mono);background:#f3f7f5;border-bottom:1px solid #12261f14;flex-shrink:0;justify-content:space-between;align-items:center;gap:.75rem;padding:.6rem .78rem;font-size:.76rem;display:flex}.wiki-file-bar small{color:#6b7a73;font-size:.68rem}.wiki-file-body{flex:1;grid-template-columns:.92fr 1.08fr;min-height:0;display:grid}.wiki-tree{background:#f8faf9;border-right:1px solid #12261f14;min-width:0;padding:.75rem .6rem;overflow:hidden}.wiki-tree-row{min-width:0;min-height:1.85rem;padding:.24rem .45rem .24rem calc(.45rem + var(--wiki-depth,0) * .85rem);color:#63726b;border-radius:.35rem;align-items:center;gap:.35rem;font-size:.78rem;line-height:1.25;display:flex}.wiki-tree-row.is-folder{color:#263a32;font-weight:600}.wiki-tree-row.is-active{color:#0f5132;background:rgb(var(--accent-rgb) / .1)}.wiki-tree-row span:last-child{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.wiki-tree-icon{color:#2f7d5d;width:1.1rem;font-family:var(--font-mono);flex:0 0 1.1rem;place-items:center;font-size:.64rem;font-weight:700;display:inline-grid}.wiki-md-card{background:#fff;min-width:0;padding:.92rem .9rem .8rem;overflow:hidden}.wiki-md-title{color:#0f5132;font-family:var(--font-mono);margin-bottom:.5rem;font-size:.82rem;font-weight:700;line-height:1.3}.wiki-md-card p{color:#40524a;margin:0 0 .55rem;font-size:.78rem;line-height:1.52}.wiki-md-card span{color:#7a8982;font-family:var(--font-mono);text-overflow:ellipsis;white-space:nowrap;font-size:.68rem;display:block;overflow:hidden}.capability-visual-wechat{color:#191919;box-shadow:var(--shadow-card);background:#ededed;border-color:#00000014;border-radius:.55rem;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Helvetica Neue,sans-serif}.wechat-status{color:#191919;letter-spacing:.01em;background:#f7f7f7;border-bottom:1px solid #d9d9d9;flex-shrink:0;justify-content:center;align-items:center;gap:.75rem;padding:.72rem 2.5rem;font-size:.84rem;font-weight:600;display:flex;position:relative}.wechat-status span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.wechat-status small{color:#888;font-size:.68rem;font-weight:400;position:absolute;right:.75rem}.wechat-chat{flex-direction:column;flex:1;gap:.85rem;min-height:0;padding:.85rem .7rem;display:flex;overflow:hidden}.wechat-message{align-items:flex-start;gap:.5rem;min-width:0;display:flex}.wechat-message.from-me{flex-direction:row-reverse}.wechat-avatar{color:#fff;width:2rem;height:2rem;font-family:var(--font-sans);background:#c8c8c8;border-radius:.28rem;flex:0 0 2rem;place-items:center;font-size:.68rem;font-weight:600;display:grid}.wechat-avatar-logo{background:#06110e;padding:0;overflow:hidden}.wechat-avatar-logo img{object-fit:contain;width:100%;height:100%;display:block}.wechat-message.from-me .wechat-avatar{color:#fff;background:#8b9bb0}.wechat-bubble{max-width:74%;position:relative}.wechat-bubble p{color:#191919;word-break:break-word;margin:0;padding:.5rem .62rem;font-size:.8rem;line-height:1.45}.wechat-message.from-ga .wechat-bubble p{background:#fff;border-radius:.2rem .55rem .55rem;box-shadow:0 1px #0000000a}.wechat-message.from-ga .wechat-bubble:before{content:"";border-top:.28rem solid #0000;border-bottom:.28rem solid #0000;border-right:.36rem solid #fff;width:0;height:0;position:absolute;top:.72rem;left:-.34rem}.wechat-message.from-me .wechat-bubble p{color:#191919;background:#95ec69;border-radius:.55rem .2rem .55rem .55rem;box-shadow:0 1px #00000008}.wechat-message.from-me .wechat-bubble:before{content:"";border-top:.28rem solid #0000;border-bottom:.28rem solid #0000;border-left:.36rem solid #95ec69;width:0;height:0;position:absolute;top:.72rem;right:-.34rem}.wechat-input{padding:.5rem .65rem calc(.5rem + env(safe-area-inset-bottom,0px));background:#f7f7f7;border-top:1px solid #d9d9d9;flex-shrink:0;align-items:center;gap:.45rem;display:flex}.wechat-input:before{content:"";background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888888' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 1a4 4 0 0 1 4 4v6a4 4 0 0 1-8 0V5a4 4 0 0 1 4-4z'/%3E%3Cpath d='M19 11v1a7 7 0 0 1-14 0v-1'/%3E%3Cpath d='M12 19v4'/%3E%3Cpath d='M8 23h8'/%3E%3C/svg%3E") 50%/contain no-repeat;flex:0 0 1.15rem;height:1.15rem}.wechat-input span{color:#b2b2b2;text-overflow:ellipsis;white-space:nowrap;background:#fff;border:1px solid #e0e0e0;border-radius:.28rem;flex:1;min-width:0;padding:.42rem .62rem;font-size:.74rem;line-height:1.35;overflow:hidden}.wechat-input:after{content:"";background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888888' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpath d='M8 14s1.5 2 4 2 4-2 4-2'/%3E%3Cline x1='9' y1='9' x2='9.01' y2='9'/%3E%3Cline x1='15' y1='9' x2='15.01' y2='9'/%3E%3C/svg%3E") 50%/contain no-repeat;flex:0 0 1.15rem;height:1.15rem}html[lang=zh-CN] .cap-map-label,html[lang=zh-CN] .capability-visual .intent-title,html[lang=zh-CN] .capability-visual .summary-block p,html[lang=zh-CN] .wechat-bubble p{line-break:strict;word-break:keep-all}.capability-card h3{color:var(--ink);font-size:var(--text-md);text-transform:none;margin:0;font-weight:600}.capability-card p{color:var(--muted);font-size:.9375rem;line-height:var(--leading-snug);margin:0}.capability-icon{width:2rem;height:2rem;color:var(--accent);border:1px solid rgb(var(--accent-rgb) / .22);border-radius:var(--radius);background:0 0;justify-content:center;align-items:center;display:inline-flex}.lifecycle-track{grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(.85rem,2.5vw,1.35rem);margin:0 0 clamp(1.25rem,3vw,1.75rem);padding:0;list-style:none;display:grid}.lifecycle-step h3{color:var(--accent);font-size:var(--text-sm);text-transform:none;margin-bottom:.3rem;font-weight:600}.lifecycle-step p{color:var(--muted);font-size:var(--text-sm);line-height:var(--leading-snug);max-width:24ch;margin:0}.principle-list{border-top:1px solid var(--line);grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(.85rem,2.5vw,1.35rem);margin:0;padding:clamp(1rem,2.5vw,1.35rem) 0 0;list-style:none;display:grid}.principle-item h3{color:var(--ink);font-size:var(--text-sm);text-transform:none;margin-bottom:.25rem;font-weight:600}.principle-item p{color:var(--muted);font-size:var(--text-sm);line-height:var(--leading-snug);text-wrap:pretty;max-width:30ch;margin:0}.session-beats{margin:0}.session-path-log{color:var(--terminal-ink);background:var(--terminal-bg);box-shadow:var(--shadow-terminal);border:1px solid #0000001a;border-radius:0;overflow:hidden}.session-path-log-bar{color:var(--terminal-green);letter-spacing:.04em;text-transform:lowercase;border-bottom:1px solid var(--terminal-line);background:var(--terminal-surface);padding:.28rem .65rem;font-size:.66rem;font-weight:600}.session-path-rows{margin:0;padding:0;list-style:none}.session-path-row{border-bottom:1px solid var(--terminal-line);grid-template-columns:minmax(0,1fr);gap:.35rem;padding:clamp(.75rem,2vw,.95rem) clamp(.75rem,2vw,1rem);display:grid}.session-path-row:last-child{border-bottom:0}.session-path-row-main{grid-template-columns:minmax(4.5rem,5.5rem) minmax(0,1fr);align-items:start;gap:clamp(.55rem,2vw,1rem);display:grid}.session-path-phase{color:var(--accent);font-size:var(--text-sm);text-transform:lowercase;font-weight:600;line-height:1.4}.session-path-evidence{min-width:0;font-family:var(--font-mono);gap:.15rem;font-size:.68rem;line-height:1.45;display:grid}.session-path-line{color:#8a919c;white-space:nowrap;text-overflow:ellipsis;display:block;overflow:hidden}.session-path-line:first-child{color:var(--ember)}.session-path-copy{color:var(--muted);font-size:var(--text-sm);line-height:var(--leading-snug);max-width:52ch;margin:0;padding-left:calc(min(5.5rem,22%) + clamp(.55rem,2vw,1rem))}.install-command{color:var(--accent-ink);background:var(--accent);border:1px solid var(--accent-dim);padding:.8rem .95rem}.install-command-label{letter-spacing:.04em;text-transform:uppercase;opacity:.82;margin-bottom:.3rem;font-size:.68rem;font-weight:600;display:block}.install-command code{color:inherit;overflow-wrap:anywhere;font-size:.82rem;display:block}.install-alt{color:var(--muted);flex-wrap:wrap;gap:.45rem 1rem;margin:.55rem 0 0;font-size:.72rem;line-height:1.45;display:flex}.install-alt-row{flex-wrap:wrap;align-items:baseline;gap:.3rem;display:inline-flex}.install-alt-label{color:var(--terminal-cyan);text-transform:lowercase;font-weight:600}.install-alt code{color:var(--ink);font-size:.72rem}.stack-col-contribute{justify-content:flex-start}.stack-col-contribute .link-row{margin-top:auto}.stack-split{gap:clamp(.85rem,2vw,1.25rem);display:grid}.stack-end-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:stretch;min-height:0}.stack-col{flex-direction:column;min-height:0;display:flex}.demo-layout-split{display:none}.demo-section{max-width:76rem;margin:clamp(2rem,4.5vw,3.5rem) auto clamp(.5rem,2vw,1rem);padding:0 clamp(1.25rem,4vw,2.5rem)}.content-stack-problem+.demo-section{margin-top:0}.demo-section-inner{gap:0;display:grid}.demo-stage-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.65rem 1rem;margin-bottom:.65rem;display:flex}.demo-stage-head .stack-heading{white-space:nowrap;flex:none;margin-bottom:0}.demo-hint{color:var(--muted);font-size:var(--text-sm);line-height:var(--leading-snug);align-items:center;gap:.45rem;margin:0;display:inline-flex}.demo-hint-pulse{background:var(--accent-dim);width:.42rem;height:.42rem;box-shadow:none;flex-shrink:0;animation:2.2s ease-in-out infinite hint-pulse}@keyframes hint-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.85)}}.demo-stage{border:1px solid var(--line);box-shadow:var(--shadow-terminal);border-top:0;border-radius:0;margin-top:0;overflow:hidden}.demo-stage .flow-terminal{height:var(--h-terminal-stage);box-shadow:none;border:0;border-radius:0}.demo-section .scenario-tabs-stage{border:1px solid var(--line);background:var(--terminal-surface);border-bottom:0;border-radius:0;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-bottom:0;display:grid;overflow:hidden}.demo-section .scenario-tabs-stage button{color:#5c636d;letter-spacing:.06em;text-transform:uppercase;border:0;border-right:1px solid var(--terminal-line);min-height:38px;box-shadow:none;background:0 0;border-radius:0;padding:.5rem .35rem;font-size:.72rem;font-weight:600}.demo-section .scenario-tabs-stage button:last-child{border-right:0}.demo-section .scenario-tabs-stage button:hover{color:#9aa3ae;background:#ffffff05}.demo-section .scenario-tabs-stage button.active{color:var(--terminal-green);background:rgb(var(--accent-rgb) / .12);border-color:var(--terminal-line);box-shadow:inset 0 2px 0 var(--terminal-green)}.stack-section-reveal{animation:none}#problem.stack-section-reveal{animation-delay:60ms}#capabilities.stack-section-reveal{animation-delay:.1s}.stack-section-capabilities .stack-lead-tight{max-width:min(54rem,100%)}.stack-section-capabilities .section-title{max-width:min(100%,30ch)}html[lang=zh-CN] .stack-section-capabilities .section-title{line-break:strict;word-break:keep-all;max-width:min(100%,18em)}#how.stack-section-reveal{animation-delay:.14s}.stack-section-contribute{text-align:center;padding-block:clamp(.5rem,2vw,1rem) clamp(.35rem,1.5vw,.85rem)}.stack-section-contribute .section-title{max-width:none;margin-inline:auto}.stack-section-contribute .stack-lead-tight{max-width:40ch;margin-inline:auto}html[lang=zh-CN] .stack-section-contribute .stack-lead-tight{line-break:strict;word-break:keep-all;max-width:26em}.stack-section-contribute .link-row{justify-content:center}.stack-section-contribute.stack-section-reveal{animation-delay:.18s}@keyframes section-reveal{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.feature-grid-visual .evidence-block{transition:background .16s,box-shadow .16s,transform .16s}.feature-grid-visual .evidence-block:hover{background:rgb(var(--accent-rgb) / .07);box-shadow:inset 0 0 0 1px rgb(var(--accent-rgb) / .28);transform:translateY(-1px)}.feature-icon{color:var(--accent);margin-bottom:.35rem;display:block}.lifecycle-grid-animated .lifecycle-card{animation:.48s cubic-bezier(.22,1,.36,1) both lifecycle-step-in;animation-delay:calc(var(--step,0) * 90ms)}@keyframes lifecycle-step-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.feature-grid{grid-template-columns:repeat(3,minmax(0,1fr));grid-auto-rows:var(--h-feature-cell);background:var(--line);border:1px solid var(--line);gap:1px;margin-top:.75rem;display:grid}.lifecycle-grid{grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:var(--h-lifecycle-cell);background:var(--line);border:1px solid var(--line);gap:1px;margin:0 0 .75rem;padding:0;list-style:none;display:grid}.lifecycle-card{background:var(--surface);flex-direction:column;height:100%;padding:.75rem .8rem;display:flex;overflow:hidden}.lifecycle-card h3{color:var(--ink);text-transform:none;margin-bottom:.3rem;font-size:.82rem}.lifecycle-card p{color:var(--muted);-webkit-line-clamp:4;-webkit-box-orient:vertical;margin:0;font-size:.74rem;line-height:1.5;display:-webkit-box;overflow:hidden}.lifecycle-card .lifecycle-index{color:var(--accent);letter-spacing:.06em;margin-bottom:.35rem;font-size:.68rem;display:block}.principles-grid-compact{margin-top:0}.artifact-list-compact .artifact-row{padding:.45rem 0}.artifact-list-compact .artifact-row dd{-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.install-steps-compact{gap:.45rem}.section{max-width:72rem;margin:clamp(1.25rem,3vw,2rem) auto;padding:clamp(1.75rem,4vw,2.75rem) clamp(1.25rem,4vw,2.5rem)}.section-intro{max-width:var(--measure);margin-bottom:clamp(2.5rem,5vw,3.5rem)}.section-intro p,.lede,.section-contribute p,.section-install p,.install-copy p{max-width:42rem;color:var(--muted);margin:0;font-size:1.0625rem;line-height:1.65}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3{font-family:var(--font-sans);letter-spacing:0;text-wrap:balance;font-weight:600}h1{max-width:16ch;color:var(--ink);font-size:clamp(1.5rem,2.6vw + .65rem,2rem);line-height:var(--leading-tight);margin-bottom:.75rem}.hero-copy h1{letter-spacing:0;text-wrap:balance;white-space:pre-line;overflow-wrap:anywhere;max-width:14.5ch;font-size:clamp(2.55rem,3.45vw + .65rem,4.45rem);font-weight:700;line-height:1.02}html[lang=zh-CN] h1{max-width:20ch}html[lang=zh-CN] .hero-copy h1{max-width:13.5em}html[lang=zh-CN] h2{max-width:24ch}h2{max-width:22ch;color:var(--ink);font-size:clamp(1.25rem,1.8vw + .85rem,1.625rem);line-height:var(--leading-tight);margin-bottom:1rem}h3{color:var(--ink);font-size:var(--text-base);line-height:var(--leading-snug);text-transform:none;margin-bottom:.5rem}.hero{isolation:isolate;min-height:var(--h-hero-min);border-bottom:1px solid var(--line-soft);background:0 0;max-width:none;margin:0;padding:0;display:block;position:relative;overflow:hidden}.hero-scrim{display:none}.hero-inner{z-index:2;max-width:76rem;min-height:var(--h-hero-min);align-items:center;margin:0 auto;padding:clamp(2.35rem,5vw,4.1rem) clamp(1.25rem,4vw,2.5rem) clamp(2.1rem,4.2vw,3.35rem);display:grid;position:relative}.hero-grid{grid-template-columns:minmax(18rem,.86fr) minmax(27rem,1.14fr);align-items:center;gap:clamp(2rem,5vw,4.25rem);display:grid}.hero-copy{max-width:36rem}.hero-label{width:fit-content;color:var(--terminal-green);font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:0;background:var(--terminal-bg);border:1px solid rgb(var(--accent-rgb) / .32);border-radius:var(--radius);align-items:center;gap:.35rem;margin:0 0 .85rem;padding:.28rem .5rem;font-weight:500;display:flex}.hero-label .prompt{color:var(--ember);font-weight:700}.lede{max-width:40ch;color:var(--muted);text-wrap:pretty;margin-bottom:1.35rem;font-size:clamp(.98rem,.3vw + .95rem,1.12rem);line-height:1.68}html[lang=zh-CN] .lede{max-width:25em;font-size:clamp(1rem,.35vw + .95rem,1.16rem);line-height:1.75}.hero-proof-list{flex-wrap:wrap;gap:.45rem;margin:1rem 0 0;padding:0;list-style:none;display:flex}.hero-proof-list li{min-height:1.9rem;color:var(--muted);font-family:var(--font-mono);border:1px solid var(--line);border-radius:var(--radius);background:#ffffffd1;align-items:center;padding:.3rem .65rem;font-size:.68rem;display:inline-flex}.hero-product{color:var(--terminal-ink);font-family:var(--font-mono);background:var(--terminal-bg);border-radius:var(--radius-card);box-shadow:var(--shadow-product);border:1px solid #12261f61;position:relative;overflow:hidden}.hero-product:before{content:none}.hero-product-bar,.hero-product-footer{z-index:1;color:#8a919c;border-bottom:1px solid var(--terminal-line);justify-content:space-between;gap:1rem;padding:.75rem .95rem;font-size:.74rem;display:flex;position:relative}.hero-product-bar span:first-child{color:var(--terminal-green)}.hero-product-grid{z-index:1;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);min-height:clamp(20rem,42vh,27rem);display:grid;position:relative}.hero-product-pane{min-width:0;padding:clamp(1rem,2vw,1.25rem)}.hero-product-pane-claude{border-right:1px solid var(--terminal-line)}.hero-pane-title{color:#7dd3fc;margin-bottom:1rem;font-size:.78rem}.hero-log-line{color:#8a919c;text-overflow:ellipsis;white-space:nowrap;margin-bottom:.7rem;font-size:clamp(.76rem,.35vw + .64rem,.9rem);line-height:1.45;overflow:hidden}.hero-observer-card{background:#ffffff0b;border:1px solid #ffffff14;border-radius:.35rem;gap:.28rem;margin-bottom:.75rem;padding:.8rem;display:grid}.hero-observer-card.is-active{background:rgb(var(--accent-rgb) / .12);border-color:rgb(var(--accent-rgb) / .35);box-shadow:none}.hero-observer-card span{color:var(--terminal-green);text-transform:uppercase;font-size:.68rem}.hero-observer-card strong{color:var(--terminal-ink);font-size:clamp(.86rem,.35vw + .72rem,1rem);font-weight:600;line-height:1.35}.hero-observer-card small{color:#8a919c;font-size:.72rem;line-height:1.35}.hero-product-footer{border-top:1px solid var(--terminal-line);border-bottom:0;grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.hero-product-footer span{gap:.2rem;min-width:0;display:grid}.hero-product-footer b{color:var(--terminal-orange);font-weight:600}.lang-switch{border:1px solid var(--chrome-border);border-radius:var(--radius-pill);background:var(--chrome-fill);flex-shrink:0;display:inline-flex;overflow:hidden}.lang-switch button{color:#8a919c;min-width:2.5rem;font-family:var(--font-mono);letter-spacing:0;cursor:pointer;background:0 0;border:0;padding:.4rem .65rem;font-size:.75rem;font-weight:500;transition:color .14s,background .14s}.lang-switch button:last-child{border-right:0}.lang-switch button.active{color:var(--terminal-green);background:rgb(var(--accent-rgb) / .14);box-shadow:none}.lang-switch button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.pain-closer{max-width:42rem;color:var(--ink);margin:0 0 clamp(1.75rem,3vw,2.25rem);font-size:.9rem;line-height:1.6}.hero-actions,.link-row{flex-wrap:wrap;align-items:center;gap:.55rem;display:flex}.button{min-height:44px;font-family:var(--font-mono);font-size:var(--text-sm);letter-spacing:0;text-transform:none;border-radius:var(--radius);cursor:pointer;border:1px solid #0000;align-items:center;gap:.5rem;padding:.7rem 1.25rem;font-weight:500;text-decoration:none;transition:background .18s cubic-bezier(.16,1,.3,1),border-color .18s cubic-bezier(.16,1,.3,1),box-shadow .18s cubic-bezier(.16,1,.3,1),transform .12s;display:inline-flex}.button:hover,.scenario-tabs button:hover,.flow-strip button:hover{transform:none}.button:active{transform:scale(.98)}.button:focus-visible,.nav a:focus-visible,.scenario-tabs button:focus-visible,.flow-strip button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.button-primary{color:var(--accent-ink);box-shadow:none;background:#057a43;border-color:#0000}.button-primary:hover{box-shadow:none;background:#086f40}.button-secondary{color:var(--ink);border-color:var(--line);background:#ffffffb8}.button-secondary:hover{background:var(--chrome-fill-hover);border-color:#00000024}.product-frame{background:var(--terminal-bg);border:1px solid var(--terminal-line);width:100%;box-shadow:0 0 0 1px rgb(var(--accent-rgb) / .08), 0 12px 40px #00000047, inset 0 1px 0 #ffffff08;padding:0;overflow:hidden}.product-frame-live{animation:5s ease-in-out infinite frame-glow}@keyframes frame-glow{0%,to{box-shadow:0 0 0 1px rgb(var(--accent-rgb) / .08), 0 12px 40px #00000047, inset 0 1px 0 #ffffff08}50%{box-shadow:0 0 0 1px rgb(var(--accent-rgb) / .14), 0 14px 44px #00000052, inset 0 1px 0 #ffffff0a}}.product-caption{max-width:36rem;color:var(--muted);font-size:var(--text-xs);line-height:var(--leading-snug);letter-spacing:.01em;margin:.5rem 0 0}.flow-terminal{--t-bg:var(--terminal-bg);--t-surface:var(--terminal-surface);--t-ink:var(--terminal-ink);--t-muted:var(--terminal-muted);--t-line:var(--terminal-line);--t-green:var(--terminal-green);--t-orange:var(--terminal-orange);--t-cyan:var(--terminal-cyan);--t-pane-bg:#111;--t-pane-line:#8e8e8e;--t-pane-blue:#8fb5ff;--t-pane-warning:#e6b800;height:var(--h-terminal);color:var(--t-ink);box-shadow:none;font-family:var(--font-mono);background:#0f0f0f;border:0;border-radius:0;flex-direction:column;font-size:.78rem;line-height:1.45;display:flex;position:relative;overflow:hidden}.flow-terminal:before{content:none}.flow-terminal>*{z-index:1;position:relative}.flow-terminal-grid{flex:auto;min-height:0;padding:.45rem;animation:.42s cubic-bezier(.22,1,.36,1) terminal-scene-in;display:flex;overflow:hidden}@keyframes terminal-scene-in{0%{opacity:.35;filter:blur(3px)}to{opacity:1;filter:blur()}}.flow-terminal-left,.flow-terminal-right,.flow-terminal-notes{outline:none;flex-direction:column;flex-shrink:0;min-width:0;height:100%;min-height:0;display:flex;overflow:hidden}.flow-terminal-left.is-focused,.flow-terminal-right.is-focused{box-shadow:none}.flow-terminal-notes.is-focused{box-shadow:inset 0 0 0 1px rgb(var(--cyan-rgb) / .28)}.flow-terminal-divider{cursor:default;touch-action:none;opacity:1;background:0 0;flex:0 0 .48rem}.flow-terminal-divider-notes{cursor:default;background:var(--t-line);opacity:1}.flow-terminal-divider.is-dragging,.flow-terminal-divider:hover{opacity:1;background:0 0}.term-pane{color:#8e94aa;background:var(--t-pane-bg);border:1px solid var(--t-pane-line);flex-direction:column;flex:auto;height:100%;min-height:0;display:flex;position:relative;overflow:hidden}.term-pane-claude{border-color:var(--t-green)}.term-pane-claude .term-pane-label{color:var(--t-green)}.term-pane-claude .term-prompt{color:#d7dbe4}.term-pane-observer .term-pane-label,.term-pane-timeline .term-pane-label{color:#cfd1d7}.term-pane-notes{border-left:1px solid rgb(var(--cyan-rgb) / .2);background:var(--t-bg);border-right:0}.term-pane-notes .term-pane-label{color:var(--t-cyan);border-bottom-color:rgb(var(--cyan-rgb) / .2)}.term-pane-observer,.term-pane-timeline{border-right:1px solid var(--t-pane-line)}.notes-header{color:var(--t-ink);border-bottom:1px solid var(--t-line);flex-shrink:0;padding:.45rem .65rem .35rem;font-size:.74rem;font-weight:500}.term-pane-label{z-index:2;color:#cfd1d7;background:var(--t-pane-bg);letter-spacing:.02em;text-transform:lowercase;border-bottom:0;flex-shrink:0;padding:0 .42rem;font-size:.76rem;font-weight:750;line-height:1;position:absolute;top:.16rem;left:.58rem}.term-pane-scroll{overscroll-behavior:contain;scrollbar-gutter:stable;-webkit-overflow-scrolling:touch;flex:auto;min-height:0;padding:1.35rem .75rem .75rem;position:relative;overflow:hidden auto}.term-pane-scroll::-webkit-scrollbar{width:5px}.term-pane-scroll::-webkit-scrollbar-track{background:0 0}.term-pane-scroll::-webkit-scrollbar-thumb{background:#3a3f48;border-radius:999px}.term-pane-scroll::-webkit-scrollbar-thumb:hover{background:#4a505a}.tx-stream{gap:.35rem;padding-bottom:.35rem;display:grid}.tx-block{font-size:.74rem;line-height:1.55}.tx-user{color:var(--t-orange)}.tx-assistant{color:var(--t-ink)}.tx-tool{color:#79b8ff}.tx-tool-name{font-weight:600}.tx-output{color:#6e7580;border-left:1px solid #2a2f36;padding-left:.55rem}.tx-system-meta{color:#7f849c}.tx-system-error{color:#f38ba8}.tx-running{align-items:center;gap:.35rem;display:flex}.tx-pulse{color:var(--t-green);animation:1.4s ease-in-out infinite pulse-dot}.tx-spinner{width:.85rem;color:var(--t-cyan);display:inline-block}@keyframes pulse-dot{50%{opacity:.35}}.claude-idle-hint{margin:0;font-size:.74rem}.observer-chrome{border-bottom:1px solid #243041;flex-shrink:0;padding:1.28rem .82rem .58rem}.observer-chrome .observer-status-line{margin-bottom:.08rem}.observer-current-intent{color:#c6cbea;white-space:nowrap;text-overflow:ellipsis;align-items:baseline;gap:.45rem;min-width:0;font-size:.78rem;line-height:1.45;display:flex;overflow:hidden}.observer-awaiting{color:#8087a8;font-size:.76rem;line-height:1.35}.term-pane-scroll-observer{padding:0}.observer-flow-surface{background:0 0;border-left:0;min-height:calc(100% - 1.75rem);margin:1.05rem .92rem .85rem;padding:0}.exploration-timeline{gap:.75rem;padding:0;display:grid}.exploration-card{color:#aab1cc;border:0;border-left:3px solid var(--t-pane-blue);background:0 0;border-radius:0;padding:.55rem .4rem .62rem 1.28rem}.exploration-card:last-child{border-bottom:0}.exploration-card.is-active{border-left-color:var(--t-pane-blue);background:0 0;padding:.55rem .4rem .62rem 1.28rem}.exploration-card.is-active .exploration-intent{flex-wrap:wrap;align-items:center;gap:.28rem;margin-bottom:.12rem;display:flex}.exploration-card.is-active .exploration-intent:before{content:none}.exploration-card.is-running .exploration-intent:after{content:"";background:var(--t-green);width:.42rem;height:.42rem;box-shadow:0 0 .4rem rgb(var(--accent-rgb) / .5);vertical-align:middle;border-radius:50%;margin-left:.12rem;display:inline-block}.exploration-card.is-running{border-left-color:var(--t-pane-blue);background:0 0;padding:.55rem .4rem .62rem 1.28rem}.exploration-card.is-compact{padding:.28rem .15rem}.exploration-card.is-compact .exploration-intent{margin-bottom:.15rem}.exploration-card.is-compact .intent-title{color:#6e7580}.exploration-card.is-compact .intent-badge{color:var(--t-cyan);opacity:.88}.exploration-card.is-compact .intent-bracket{color:var(--t-cyan);opacity:.92}.exploration-card.is-compact .observer-tool-meta{margin-bottom:0}.exploration-intent{flex-wrap:wrap;align-items:center;gap:.28rem;margin-bottom:.22rem;line-height:1.4;display:flex}.exploration-timeline .intent-bracket{color:var(--t-cyan);opacity:.92}.exploration-timeline .intent-badge{color:var(--t-cyan);font-weight:600}.exploration-timeline .intent-title{color:#6e7580}.exploration-card.is-active .intent-title,.exploration-card.is-running .intent-title{color:#cdd6f4;font-size:.76rem;font-weight:500}.summary-block.is-pending p{color:#7f849c}.claude-prompt-row{background:0 0;border-top:1px solid #747474;flex-shrink:0;align-items:center;gap:.35rem;min-height:2.05rem;padding:.55rem .75rem;display:flex}.term-dim{color:#8b8b8b}.term-sep{color:#4a505a}.term-prompt{color:var(--t-green)}.term-cursor{color:#f5f5f7;animation:1.1s step-end infinite cursor-blink}@keyframes cursor-blink{50%{opacity:0}}.claude-idle-header{align-items:flex-start;gap:1.1rem;margin:.35rem 0 1.75rem;display:flex}.claude-logo{object-fit:contain;filter:drop-shadow(0 0 .75rem #d9775742);flex:none;width:3.7rem;height:3.7rem;margin-top:.05rem}.claude-meta{color:#d7d8de;gap:.15rem;font-size:.8rem;line-height:1.35;display:grid}.claude-meta>div:first-child{font-weight:750}.claude-auth-warning{color:var(--t-pane-warning);gap:.2rem;margin:0 0 1.15rem;font-size:.76rem;line-height:1.45;display:grid}.claude-auth-warning .term-dim{padding-left:1rem}.claude-inline-prompt{color:#d7d8de;background:#383838;align-items:center;gap:.35rem;min-height:1.2rem;margin:0 0 1.15rem -.38rem;padding:.12rem .42rem;display:flex}.claude-thought,.claude-answer,.claude-worked{margin:0 0 1.1rem}.claude-thought{padding-left:.55rem}.claude-answer{color:#e4e4e7;font-weight:700}.claude-table{border-collapse:collapse;width:100%;margin-bottom:.75rem;font-size:.76rem}.claude-table th,.claude-table td{text-align:left;vertical-align:top;border:1px solid #313244;padding:.2rem .45rem}.claude-table th{color:#a6adc8;width:5.5rem;font-weight:600}.claude-section{margin-top:.35rem}.claude-rule{color:#585b70;margin:.35rem 0}.claude-section-title{color:#cdd6f4;margin-bottom:.25rem;font-weight:600}.claude-list{color:#a6adc8;margin:0;padding-left:1rem}.claude-list li{margin:.15rem 0}.claude-line{margin:.2rem 0}.claude-tool-result{color:#89b4fa;background:#89b4fa14;border:1px solid #89b4fa38;margin-top:.65rem;padding:.45rem .55rem;font-size:.74rem}.claude-footnote{margin-top:.45rem;font-size:.74rem}.claude-footnote-meta{color:#7f849c}.claude-footnote-error{color:#f38ba8}.claude-prompt-text{color:#cdd6f4}.claude-statusbar{color:#6e7580;border-top:1px solid #747474;flex-shrink:0;gap:.12rem;padding:.58rem .75rem .55rem;font-size:.7rem;display:grid}.observer-status-line{color:#8087a8;flex-wrap:wrap;gap:0 .45rem;font-size:.76rem;display:flex}.observer-empty p{color:#bac2de;margin:0 0 .65rem}.observer-onboarding{font-size:.74rem;line-height:1.55}.observer-replay-banner{margin:0 0 .65rem;font-size:.74rem}.observer-intent{margin-bottom:.45rem;line-height:1.4}.intent-badge{color:#9ca7c7;font-weight:600}.intent-bracket{color:#4a505a}.intent-title{color:#aab1cc}.exploration-card.is-active .intent-title{color:#aab1cc;font-size:.74rem;font-weight:500}.observer-tool-meta{color:#9aa1bb;margin-bottom:1rem;font-size:.76rem}.exploration-card.is-active .observer-tool-meta{color:#9ba2bc;margin-bottom:0;font-size:.76rem}.knowledge-frame{border:1px solid rgb(var(--accent-rgb) / .52);background:#0d111824;border-radius:0;margin:.9rem 0 .95rem;padding:.95rem 1.05rem}.knowledge-label{color:#c49bff;letter-spacing:.04em;margin-bottom:.55rem;font-size:.72rem;font-weight:600}.knowledge-excerpt{color:#bec4e2;margin:0 0 .65rem;font-size:.78rem;line-height:1.58}.knowledge-tags{flex-wrap:wrap;gap:.45rem;display:flex}.knowledge-tag{color:#cba6f7;font-size:.72rem}.knowledge-tag:nth-child(2){color:#63e6d8}.summary-block{margin-top:.38rem}.summary-block.is-compact p{-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.summary-label{color:#81889f;letter-spacing:.06em;margin-bottom:.2rem;font-size:.68rem;font-weight:700}.summary-block p{color:#aab1cc;margin:0;font-size:.76rem;line-height:1.52}.wiki-badge-line{color:var(--t-green);margin-top:.55rem;font-size:.72rem}.observer-commandbar{background:0 0;border-top:1px solid #222b3b;flex-shrink:0;gap:.15rem;padding:.5rem .65rem .55rem;display:grid}.cmd-static{font-size:.72rem}.cmd-chip{color:#828aac;text-align:left;cursor:pointer;background:0 0;border:0;padding:0;font-family:inherit;font-size:.72rem;transition:color .14s}.cmd-chip:hover,.cmd-chip[aria-pressed=true]{color:var(--t-ink)}.cmd-chip-help{justify-self:start}.commandbar-help{color:#bac2de;gap:.15rem;font-size:.68rem;display:grid}.flowchart-view{gap:.95rem;padding-bottom:.5rem;display:grid}.flowchart-focus-box{border:1px solid rgb(var(--accent-rgb) / .42);background:#0000002e;padding:.62rem .72rem .68rem}.flowchart-focus-label{color:var(--t-green);letter-spacing:.08em;margin-bottom:.35rem;font-size:.68rem;font-weight:600}.flowchart-focus-title{color:#e8eaed;margin:0 0 .28rem;font-size:.74rem;font-weight:500;line-height:1.55}.flowchart-focus-sep{color:#8a919c;font-weight:400}.flowchart-focus-meta{color:#6f7a72;margin:0;font-size:.72rem;line-height:1.5}.flowchart-tree{gap:.18rem;display:grid}.flowchart-node{flex-wrap:wrap;align-items:center;gap:.28rem;font-size:.74rem;line-height:1.55;display:flex}.flowchart-node.is-done .flowchart-title{color:#6e7580}.flowchart-node.is-done .intent-badge{color:var(--t-cyan);opacity:.88}.flowchart-node.is-active .flowchart-title,.flowchart-node.is-focus .flowchart-title{color:var(--t-green);font-weight:500}.flowchart-prefix{color:#4a505a;flex-shrink:0;font-weight:400}.flowchart-title{color:#8a919c}.flowchart-view .intent-bracket{color:var(--t-cyan);opacity:.92}.flowchart-view .intent-badge{color:var(--t-cyan);flex-shrink:0;font-weight:600}.flowchart-active-dot{background:var(--t-green);width:.42rem;height:.42rem;box-shadow:0 0 .4rem rgb(var(--accent-rgb) / .5);border-radius:50%;flex-shrink:0;margin-left:.12rem}.term-pane-timeline .flowchart-node.is-active,.term-pane-timeline .flowchart-node.is-focus{padding-left:0}.term-pane-workspace .observer-chrome{padding-bottom:.5rem}.workspace-view{color:#8b93b2;min-height:100%;font-family:var(--font-mono);font-variant-ligatures:none;grid-template-rows:auto minmax(0,1fr) auto;gap:.75rem;padding:1.45rem .82rem .85rem;display:grid}.workspace-title{color:#8f8fa7;letter-spacing:.04em;font-size:.72rem;font-weight:650}.workspace-tree{align-content:start;gap:.03rem;min-width:0;display:grid;overflow:hidden}.workspace-tree-row{color:#7f87a8;white-space:pre;align-items:baseline;min-width:0;font-size:.75rem;line-height:1.35;display:flex}.workspace-prefix{color:#34425f;flex:none}.workspace-marker{color:#6f7897;flex:none;width:1.1ch;margin-right:.28rem}.workspace-name{color:#7f87a8;text-overflow:ellipsis;min-width:0;overflow:hidden}.workspace-tree-row.is-root .workspace-marker,.workspace-tree-row.is-root .workspace-name,.workspace-tree-row.is-dir .workspace-marker,.workspace-tree-row.is-dir .workspace-name{color:#70d8ff}.workspace-tree-row.is-recent.is-file .workspace-name{color:#9da6c7}.workspace-tree-row.is-active .workspace-name{color:#c8cff1}.workspace-activity{color:var(--t-green);text-shadow:0 0 .35rem rgb(var(--accent-rgb) / .55);flex:none;margin-left:.35rem;font-size:.62rem}.workspace-trace{border-top:1px solid var(--t-line);gap:.25rem;min-width:0;padding-top:.7rem;display:grid}.workspace-trace-row{color:#9ba2c0;white-space:nowrap;align-items:baseline;min-width:0;font-size:.7rem;line-height:1.35;display:flex}.workspace-trace-glyph{color:var(--t-green);flex:0 0 1.1rem}.workspace-trace-action{color:#bac2de;flex:0 0 3rem}.workspace-trace-summary{color:#8f98b8;text-overflow:ellipsis;min-width:0;overflow:hidden}.notes-list{gap:.55rem;padding:.35rem 0 .5rem;display:grid}.notes-empty{margin:.25rem 0 0;font-size:.72rem}.note-entry{padding:.15rem .15rem .35rem}.note-entry-text{color:#8a919c;white-space:pre-wrap;word-break:break-word;font-size:.74rem;line-height:1.45}.note-entry-time{margin-top:.1rem;padding-left:.35rem;font-size:.68rem;line-height:1.4}.notes-write{background:#0a0a0a;border-top:1px solid #1a1e24;flex-shrink:0;padding:.45rem .65rem .55rem}.notes-write-label{margin-bottom:.35rem;font-size:.72rem}.notes-write.is-focused .notes-input-frame{border-color:var(--t-cyan)}.notes-input-frame{border:1px solid var(--t-line);background:var(--t-bg);padding:.35rem .45rem}.notes-input{color:#c8ccd4;resize:none;width:100%;min-height:2.8rem;box-shadow:none;appearance:none;background:0 0;border:0;border-radius:0;outline:none;margin:0;padding:0;font-family:inherit;font-size:.74rem;line-height:1.45;display:block}.notes-input::placeholder{color:#4a505a}.notes-input-hint{margin-top:.3rem;padding-left:.15rem;font-size:.66rem}.flow-terminal-strip{border-top:1px solid rgb(var(--accent-rgb) / .35);background:var(--t-surface);flex-shrink:0;grid-template-columns:repeat(4,1fr);display:grid}.flow-terminal-strip button{color:#5c636d;text-transform:uppercase;letter-spacing:.06em;border:0;border-right:1px solid var(--t-line);cursor:pointer;background:0 0;padding:.52rem .35rem;font-family:inherit;font-size:.72rem;font-weight:600;transition:color .14s,background .14s,box-shadow .14s}.flow-terminal-strip button:last-child{border-right:0}.flow-terminal-strip button:hover{color:#9aa3ae;background:#ffffff05}.flow-terminal-strip button.active{color:var(--t-green);background:rgb(var(--accent-rgb) / .12);box-shadow:inset 0 2px 0 var(--t-green)}.flow-terminal-resize-hint{color:#6e7580;letter-spacing:.02em;background:var(--t-surface);border-top:1px solid var(--t-line);flex-shrink:0;padding:.3rem .55rem;font-size:.68rem;font-weight:600}.demo-layout{gap:1.5rem;display:grid}.scenario-tabs{flex-wrap:wrap;gap:.45rem;display:flex}.scenario-tabs-inline{margin-top:.65rem}.scenario-tabs-stage{margin-bottom:0}.scenario-tabs button{min-height:36px;color:var(--muted);letter-spacing:.04em;text-transform:uppercase;background:var(--surface);border:1px solid var(--line);cursor:pointer;padding:.5rem .85rem;font-size:.72rem;font-weight:600;transition:color .14s,border-color .14s,background .14s,box-shadow .14s}.scenario-tabs button.active{color:var(--accent-ink);background:var(--accent);border-color:var(--accent-dim);box-shadow:none}.demo-detail{height:var(--h-demo-detail);max-height:var(--h-demo-detail);background:var(--surface);border:1px solid var(--line);padding:clamp(.85rem,2vw,1.15rem);overflow:hidden}.demo-command{color:var(--accent);background:var(--paper-elevated);border:1px solid var(--line-soft);overflow-wrap:anywhere;white-space:nowrap;text-overflow:ellipsis;margin-bottom:.65rem;padding:.45rem .6rem;font-size:.78rem;display:block;overflow:hidden}.demo-detail h3{color:var(--ink);text-transform:none;text-overflow:ellipsis;white-space:nowrap;margin-bottom:.45rem;font-size:.95rem;overflow:hidden}.demo-detail>p{max-width:none;color:var(--muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;font-size:.8rem;line-height:1.55;display:-webkit-box;overflow:hidden}.artifact-list{border-top:1px solid var(--line);gap:0;margin:.85rem 0 0;padding:0;display:grid}.artifact-row{border-bottom:1px solid var(--line-soft);grid-template-columns:minmax(0,.34fr) minmax(0,1fr);gap:.85rem;padding:.55rem 0;display:grid}.artifact-row dt{letter-spacing:.06em;text-transform:uppercase;color:var(--terminal-cyan);margin:0;font-size:.72rem;font-weight:700}.artifact-row dd{color:var(--muted);margin:0;font-size:.82rem;line-height:1.55}.evidence-grid{background:var(--line);border:1px solid var(--line-bright);grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;display:grid;overflow:hidden}.evidence-block{background:var(--surface);flex-direction:column;height:100%;padding:.75rem .85rem;display:flex;overflow:hidden}.evidence-block h3{color:var(--accent)}.evidence-block p{color:var(--muted);-webkit-line-clamp:4;-webkit-box-orient:vertical;margin:0;font-size:.78rem;line-height:1.5;display:-webkit-box;overflow:hidden}.lifecycle-list{border-top:1px solid var(--line);margin:0;padding:0;list-style:none}.lifecycle-item{border-bottom:1px solid var(--line-soft);grid-template-columns:2.5rem 1.75rem minmax(0,1fr);align-items:start;gap:1rem 1.25rem;padding:1.15rem 0;display:grid}.lifecycle-index{color:var(--accent);letter-spacing:.06em;font-size:.72rem}.lifecycle-icon{color:var(--ember);margin-top:.15rem}.lifecycle-body h3{color:var(--ink);text-transform:none;margin-bottom:.35rem}.lifecycle-body p{max-width:52ch;color:var(--muted);margin:0;font-size:.9375rem;line-height:1.55}.principles-grid{grid-template-columns:repeat(3,minmax(0,1fr));grid-auto-rows:var(--h-principle-cell);background:var(--line);border:1px solid var(--line);gap:1px;display:grid}.principle-card{background:var(--surface);flex-direction:column;height:100%;padding:.75rem .85rem;display:flex;overflow:hidden}.principle-card h3{color:var(--accent)}.principle-card p{color:var(--muted);-webkit-line-clamp:4;-webkit-box-orient:vertical;margin:0;font-size:.78rem;line-height:1.5;display:-webkit-box;overflow:hidden}.section-install{grid-template-columns:minmax(0,.55fr) minmax(0,1fr);align-items:start;gap:clamp(1.5rem,4vw,2.5rem);display:grid}.install-steps{gap:.65rem;display:grid}.install-step{background:var(--surface);border:1px solid var(--line);padding:1rem 1.1rem}.install-step h3{color:var(--terminal-cyan)}.install-step.highlight{color:var(--accent-ink);background:var(--accent);border-color:var(--accent-dim);box-shadow:none}.install-step.highlight h3{color:var(--accent-ink)}.install-step.highlight code{color:#050608d9}.install-step code{color:var(--muted);overflow-wrap:anywhere;margin-top:.35rem;font-size:.78rem;display:block}.install-hint{color:var(--muted);margin:1rem 0 0;font-size:.72rem}.install-hint code{color:var(--terminal-cyan)}.section-contribute{text-align:center}.section-contribute h2{margin-inline:auto;max-width:none;margin-bottom:.85rem}.section-contribute p{max-width:40rem;margin:0 auto 1.5rem}.section-contribute .link-row{justify-content:center}.site-footer{color:#8a919c;font-size:var(--text-sm);letter-spacing:0;background:var(--chrome-bg);border-top:1px solid rgb(var(--accent-rgb) / .28);justify-content:space-between;align-items:center;gap:1rem;margin-top:clamp(2rem,5vw,3.5rem);padding:1rem clamp(1.25rem,4vw,3rem);display:flex}.footer-prompt{color:var(--muted);font-family:var(--font-mono);font-weight:500}.site-footer a{color:var(--terminal-green);text-decoration:none}.site-footer a:hover{color:var(--accent-dim)}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.flow-terminal-grid,.product-frame-live,.demo-stage .flow-terminal,.demo-hint-pulse{animation:none}.stack-section-reveal,.lifecycle-grid-animated .lifecycle-card{opacity:1;animation:none;transform:none}.feature-grid-visual .evidence-block:hover{transform:none}.pain-pillar-cursor{opacity:1;animation:none}.cbti-track{animation:none;transform:none}.term-cursor,.tx-pulse{opacity:1;animation:none}.terminal-site:before{opacity:.15}*,:before,:after{transition-duration:.001ms!important;animation-duration:.001ms!important}}@media (width<=1180px){:root{--h-hero-min:auto;--h-terminal-stage:clamp(27rem, 52vh, 34rem);--h-cap-preview:clamp(16.5rem, 29vw, 19.5rem)}.content-stack,.demo-section,.hero-inner{max-width:68rem}.hero-grid{grid-template-columns:minmax(17rem,.86fr) minmax(23rem,1.14fr);gap:clamp(1.5rem,4vw,3rem)}.hero-copy h1{font-size:clamp(2.25rem,3vw + .55rem,3.65rem)}.section-title{font-size:clamp(1.55rem,1.3vw + 1.08rem,2.1rem)}}@media (width<=960px){:root{--h-demo-detail:16rem;--h-terminal-stage:clamp(26rem, 54vh, 34rem);--h-hero-min:auto}.hero{min-height:auto}.hero-inner{align-items:start;min-height:auto;padding-top:clamp(2.25rem,7vw,4rem);padding-bottom:clamp(2rem,6vw,3rem)}.hero-grid{grid-template-columns:1fr;gap:clamp(1.5rem,5vw,2.75rem)}.hero-copy{max-width:42rem}.hero-scrim{background:linear-gradient(180deg, rgb(var(--paper-rgb) / .8), transparent 72%)}.hero-product-grid{min-height:22rem}.problem-layout,.pain-pillars{grid-template-columns:1fr}.capability-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.stack-section-capabilities .section-title,html[lang=zh-CN] .stack-section-capabilities .section-title{max-width:min(100%,16em)}.lifecycle-track{grid-template-columns:repeat(2,minmax(0,1fr))}.session-path-row-main{grid-template-columns:1fr;gap:.35rem}.session-path-copy{max-width:none;padding-left:0}.principle-list{grid-template-columns:1fr;gap:.85rem}.stack-end-grid{grid-template-columns:1fr}.stack-col-contribute .link-row{margin-top:1rem}}@media (width<=760px){:root{--h-cap-preview:18rem;--h-terminal:clamp(29rem, 68vh, 36rem);--h-demo-detail:15rem;--h-terminal-stage:clamp(30rem, 74vh, 38rem)}.content-stack,.demo-section,.hero-inner{padding-inline:clamp(1rem,5vw,1.35rem)}.hero,.hero-inner,.hero-grid,.hero-copy,.hero-product,.content-stack,.demo-section,.demo-stage,.capability-card,.capability-visual,.visual-strategy-preview,.wiki-file-preview{min-width:0;max-width:100%}.content-stack{padding-block:clamp(1.75rem,7vw,2.4rem)}.content-stack-problem{padding-bottom:clamp(.75rem,3vw,1rem)}.hero-inner{padding-top:clamp(1.8rem,7vw,2.6rem);padding-bottom:clamp(1.75rem,7vw,2.45rem)}.hero-grid{gap:clamp(1.3rem,6vw,2rem)}.section-kicker{margin-bottom:.45rem}.section-title{font-size:clamp(1.55rem,7vw,2.1rem);line-height:1.16}.stack-lead,.stack-lead-tight{font-size:.96rem;line-height:1.66}.section-title,.stack-section-capabilities .section-title,html[lang=zh-CN] .stack-section-capabilities .section-title{max-width:100%}.pain-pillars{gap:.8rem}.pain-pillar{height:auto;min-height:0;max-height:none;padding:1rem}.pain-fragments{min-height:0;max-height:none}.pain-note{min-height:0}.lifecycle-track{grid-template-columns:1fr;gap:.75rem}.capability-grid{grid-template-columns:1fr;gap:1rem}.capability-card{gap:.78rem;padding:.9rem}.capability-card-head{align-items:flex-start}.capability-icon{width:1.85rem;height:1.85rem}.capability-card h3{font-size:1rem;line-height:1.35}.capability-card p{font-size:.9rem;line-height:1.55}.capability-visual,.visual-strategy-preview,.wiki-file-preview{height:var(--h-cap-preview);min-height:var(--h-cap-preview);max-height:var(--h-cap-preview)}.visual-strategy-preview{height:27rem;min-height:27rem;max-height:27rem}.wiki-file-preview{height:20rem;min-height:20rem;max-height:20rem}.visual-strategy-body{grid-template-rows:repeat(3,minmax(0,1fr));grid-template-columns:1fr;gap:.45rem;padding:.55rem}.visual-mode{padding:.52rem}.visual-mode-head{align-items:flex-start}.visual-mode-title{text-align:left;line-height:1.25}.visual-text-tags{display:none}.wiki-file-body{grid-template-columns:1fr}.wiki-tree{border-bottom:1px solid #12261f14;border-right:0;max-height:7.6rem}.pain-note,.capability-card p,.lifecycle-step p,.principle-item p{max-width:none}.nav{display:none}.site-header{gap:.75rem;min-height:56px;padding-inline:clamp(.9rem,4vw,1.2rem)}.brand{gap:.5rem;min-width:0}.brand-name{text-overflow:ellipsis;white-space:nowrap;max-width:9rem;overflow:hidden}.lang-switch button{min-width:2.2rem;min-height:42px;padding:.35rem .45rem}.demo-section{margin-top:clamp(1.2rem,5vw,1.8rem)}.demo-stage-head{align-items:flex-start;margin-bottom:.6rem}.demo-stage-head .stack-heading{white-space:normal}.demo-hint{max-width:100%;font-size:.82rem}.demo-section .scenario-tabs-stage{-webkit-overflow-scrolling:touch;grid-template-columns:repeat(4,minmax(4.5rem,1fr));overflow-x:auto}.demo-section .scenario-tabs-stage button{white-space:nowrap;min-height:44px}.flow-terminal-grid{flex-direction:column;min-height:0}.flow-terminal-left,.flow-terminal-right{flex:1 1 0;min-height:0}.flow-terminal-notes{flex:0 0 160px;min-height:0}.flow-terminal-divider{cursor:default;flex:0 0 1px;width:100%;height:1px}.flow-terminal{font-size:.7rem;line-height:1.5}.term-pane-label,.observer-chrome,.claude-prompt-row,.claude-statusbar,.observer-commandbar{padding-inline:.58rem}.observer-flow-surface{margin:.7rem .62rem}.exploration-card,.exploration-card.is-active,.exploration-card.is-running{padding:.62rem .68rem}.knowledge-frame{padding:.7rem .75rem}.commandbar-help,.cmd-chip,.cmd-static{font-size:.64rem}.term-pane{border-bottom:1px solid #5a9e6f;border-right:0}.term-pane-observer,.term-pane-notes{border-bottom:0}.flow-terminal-left,.flow-terminal-right,.flow-terminal-notes{width:100%!important}.flow-terminal-strip{grid-template-columns:repeat(2,1fr)}.hero-copy h1{text-wrap:pretty;word-break:normal;overflow-wrap:anywhere;max-width:100%;font-size:clamp(1.9rem,8.2vw,2.65rem);line-height:1.08}.hero-label{overflow-wrap:anywhere;max-width:100%;line-height:1.35}.lede{max-width:100%;margin-bottom:1.1rem;font-size:.98rem;line-height:1.68}html[lang=zh-CN] .hero-copy h1{word-break:break-all;overflow-wrap:anywhere;max-width:100%}html[lang=zh-CN] .lede{word-break:normal;overflow-wrap:anywhere;max-width:100%}.hero-product-grid{grid-template-columns:1fr;min-height:0}.hero-product-bar,.hero-product-footer{gap:.55rem;padding:.68rem .78rem;font-size:.68rem}.hero-product-bar span,.hero-product-footer span{text-overflow:ellipsis;overflow-wrap:anywhere;min-width:0;overflow:hidden}.hero-product-pane{padding:.9rem}.hero-product-pane-claude{border-right:0;border-bottom:1px solid var(--terminal-line)}.hero-observer-card{padding:.7rem}.hero-product-footer{grid-template-columns:1fr;gap:.55rem}.artifact-row{grid-template-columns:1fr;gap:.35rem}.lifecycle-item{grid-template-columns:2.5rem minmax(0,1fr)}.lifecycle-icon{display:none}.button{justify-content:center;width:100%;max-width:100%}.hero-actions{flex-direction:column;align-items:stretch}}@media (width<=480px){:root{--h-cap-preview:17.25rem;--h-terminal-stage:clamp(29rem, 76vh, 36rem)}.brand-name{max-width:7.5rem}.hero-copy h1{font-size:clamp(1.75rem,9vw,2.35rem)}.hero-proof-list{grid-template-columns:1fr;gap:.4rem;display:grid}.hero-proof-list li{justify-content:center;min-height:2.15rem}.visual-strategy-preview{height:28rem;min-height:28rem;max-height:28rem}.wiki-file-preview{height:21rem;min-height:21rem;max-height:21rem}.wechat-bubble{max-width:calc(100% - 2.6rem)}.wechat-bubble p{font-size:.76rem}.session-path-row{padding:.78rem .82rem}.session-path-evidence,.session-path-line{white-space:normal}.site-footer{flex-direction:column;align-items:flex-start;gap:.4rem}}.site-v3{--hero-ink:oklch(96% .012 160);--hero-muted:oklch(72% .02 165);--hero-bg:oklch(11% .018 160);--hero-surface:oklch(14% .022 158);--hero-glow:#6ee7b724;--h-hero-min:auto}body:has(.site-v3){background:var(--paper);background-image:none}.site-v3 .site-header-v3{-webkit-backdrop-filter:blur(14px)saturate(140%);backdrop-filter:blur(14px)saturate(140%);background:#070d0bb8;border-bottom-color:#6ee7b71f}.site-v3 .nav a{color:oklch(78% .02 165)}.site-v3 .nav a:hover{color:var(--hero-ink)}.hero-v3{min-height:auto;color:var(--hero-ink);background:radial-gradient(ellipse 90% 60% at 50% -10%, #147c4b38, transparent 58%), radial-gradient(ellipse 55% 45% at 88% 18%, #67e8f914, transparent 52%), linear-gradient(180deg, var(--hero-bg) 0%, oklch(9% .016 160) 100%);border-bottom:none;padding:0;position:relative}.hero-mesh{pointer-events:none;opacity:.55;background:radial-gradient(circle at 20% 80%,#6ee7b70f 0,#0000 42%),radial-gradient(circle at 80% 20%,#f59e0b0d 0,#0000 38%);position:absolute;inset:0}@media (prefers-reduced-motion:no-preference){.hero-mesh{animation:18s ease-in-out infinite alternate hero-mesh-drift}@keyframes hero-mesh-drift{0%{transform:translate(0,0)scale(1)}to{transform:translate(-1.5%,1%)scale(1.03)}}}.hero-inner-v3{z-index:1;gap:clamp(1.75rem,3.5vw,2.75rem);max-width:82rem;min-height:auto;padding:clamp(2.5rem,5vw,4rem) clamp(1.25rem,4vw,2.75rem) clamp(3rem,6vw,5rem);display:grid;position:relative}.hero-copy-v3{max-width:46rem}.hero-eyebrow{color:var(--terminal-green);font-family:var(--font-mono);letter-spacing:.14em;text-transform:uppercase;margin:0 0 1rem;font-size:.72rem;font-weight:500}.hero-v3 .hero-copy h1{max-width:13ch;color:var(--hero-ink);letter-spacing:-.035em;margin-bottom:1.1rem;font-size:clamp(2.75rem,5.2vw + .5rem,4.85rem);font-weight:650;line-height:.98}html[lang=zh-CN] .hero-v3 .hero-copy h1{letter-spacing:-.02em;max-width:11em;line-height:1.08}.lede-hero{max-width:46ch;color:var(--hero-muted);margin-bottom:1.5rem;font-size:clamp(1rem,.35vw + .95rem,1.18rem);line-height:1.65}.hero-install-line{color:var(--hero-muted);font-family:var(--font-mono);background:#ffffff0a;border:1px solid #6ee7b72e;border-radius:.35rem;align-items:center;gap:.55rem;margin:0 0 1.15rem;padding:.45rem .75rem;font-size:.78rem;display:inline-flex}.hero-install-line code{color:var(--terminal-green)}.button-hero{box-shadow:0 0 0 1px #6ee7b740,0 12px 32px #00000059}.button-hero-ghost{color:var(--hero-ink);background:#ffffff0f;border-color:#ffffff24}.button-hero-ghost:hover{background:#ffffff1a;border-color:#6ee7b747}.hero-proof-list-v3{gap:.5rem}.hero-proof-list-v3 li{color:var(--hero-muted);background:#ffffff0d;border-color:#ffffff1a}.arch-strip{width:100%}.arch-strip-svg{width:100%;max-width:44rem;height:auto;display:block}.arch-strip-list{display:none}.arch-node-bg{fill:#ffffff0a;stroke:#6ee7b738;stroke-width:1px}.arch-node-label{fill:var(--terminal-green);letter-spacing:.06em;text-transform:uppercase;font-family:ui-monospace,monospace;font-size:10px}.arch-node-detail{fill:oklch(72% .02 165);font-family:ui-monospace,monospace;font-size:11px}.arch-arrow{fill:#6ee7b78c}@media (prefers-reduced-motion:no-preference){.arch-strip-line{animation:12s linear infinite arch-dash}@keyframes arch-dash{to{stroke-dashoffset:-64px}}}.hero-stage{border:1px solid #6ee7b733;border-radius:.65rem;width:100%;position:relative;overflow:hidden;box-shadow:0 0 0 1px #0006,0 28px 64px #00000073,0 0 80px #147c4b14}.hero-stage-glow{pointer-events:none;z-index:0;background:radial-gradient(#6ee7b71f,#0000 70%);height:40%;position:absolute;inset:-20% 10% auto}.hero-stage-chrome{z-index:2;color:#8a919c;font-family:var(--font-mono);background:#00000059;border-bottom:1px solid #ffffff14;align-items:center;gap:.65rem;padding:.55rem .85rem;font-size:.72rem;display:flex;position:relative}.hero-stage-dot{background:var(--terminal-green);border-radius:50%;width:.45rem;height:.45rem;box-shadow:0 0 8px #6ee7b7a6}.hero-stage-title{color:var(--terminal-green);font-weight:600}.hero-stage-mode{color:#6b7280;margin-left:auto}.hero-stage .flow-terminal{z-index:1;border:0;border-radius:0;min-height:clamp(22rem,48vh,32rem);max-height:clamp(22rem,48vh,32rem);margin:0;position:relative}.hero-stage .flow-terminal-grid{min-height:clamp(22rem,48vh,32rem);max-height:clamp(22rem,48vh,32rem)}.demo-section-v3{background:linear-gradient(oklch(9% .016 160) 0%,oklch(11% .018 160) 100%);border-top:1px solid #6ee7b71a;border-bottom:1px solid #6ee7b71a}.demo-section-v3 .stack-heading,.demo-section-v3 .demo-hint{color:var(--hero-ink)}.demo-section-v3 .demo-hint{opacity:.75}.install-band{background:var(--terminal-bg);color:var(--terminal-ink);border:1px solid #12261f33;border-radius:.5rem;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);align-items:start;gap:clamp(1.5rem,4vw,3rem);padding:clamp(1.5rem,3vw,2.25rem);display:grid}.section-kicker-install{color:var(--terminal-green)}.install-band .section-title{color:var(--terminal-ink)}.install-band .stack-lead{color:#9ca3af}.install-doctor{color:#8a919c;font-family:var(--font-mono);margin:1rem 0 0;font-size:.78rem}.install-doctor code{color:var(--terminal-orange)}.install-steps{gap:.65rem;margin:0;padding:0;list-style:none;display:grid}.install-step{background:#ffffff0a;border:1px solid #ffffff14;border-radius:.35rem;gap:.35rem;padding:.85rem 1rem;display:grid}.install-step-label{color:var(--terminal-green);font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;font-size:.68rem}.install-step-cmd{color:var(--terminal-ink);font-family:var(--font-mono);word-break:break-all;font-size:clamp(.82rem,.3vw + .75rem,.95rem)}.principles-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin:0;padding:0;list-style:none;display:grid}.principle-card{min-height:var(--h-principle-cell);background:var(--paper-elevated);border:1px solid var(--line-soft);border-radius:.4rem;gap:.55rem;padding:1.15rem 1.2rem;display:grid}.principle-card h3{font-size:var(--text-md);line-height:var(--leading-snug);margin:0}.principle-card p{color:var(--muted);font-size:var(--text-sm);line-height:var(--leading-normal);margin:0}.site-footer-v3{background:var(--chrome-bg);color:#8a919c}@media (width<=960px){.install-band,.principles-grid{grid-template-columns:1fr}.arch-strip-svg{display:none}.arch-strip-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:.5rem;margin:0;padding:0;list-style:none;display:grid}.arch-strip-list li{text-align:center;background:#ffffff0a;border:1px solid #ffffff14;border-radius:.35rem;gap:.25rem;padding:.75rem .65rem;display:grid}.arch-strip-kicker{color:var(--terminal-green);font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;font-size:.65rem}.arch-strip-detail{color:var(--hero-muted);font-family:var(--font-mono);font-size:.72rem}}.section-title-pain{letter-spacing:-.02em;max-width:22ch;margin-bottom:clamp(1.5rem,3vw,2.25rem);font-size:clamp(1.65rem,2.4vw + .5rem,2.35rem)}html[lang=zh-CN] .section-title-pain{max-width:18em}@media (width<=640px){.arch-strip-list{grid-template-columns:1fr}.hero-v3 .hero-actions{flex-direction:column;align-items:stretch}.hero-v3 .button{justify-content:center}}:root{--v4-bg:oklch(13% .018 158);--v4-bg-2:oklch(17% .024 158);--v4-ink:oklch(96% .018 146);--v4-muted:oklch(76% .028 154);--v4-faint:oklch(59% .024 162);--v4-panel:oklch(18% .026 158);--v4-panel-2:oklch(22% .032 158);--v4-panel-3:oklch(27% .042 158);--v4-line:#e2efe621;--v4-line-strong:#4ce59a5c;--v4-accent:oklch(79% .17 153);--v4-accent-2:oklch(91% .09 148);--v4-accent-rgb:76 229 154;--v4-copper:oklch(74% .11 63);--v4-copper-rgb:227 173 117;--v4-blue:oklch(78% .095 248);--v4-blue-rgb:156 198 255;--v4-radius:8px;--v4-font-sans:"Aptos", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}body:has(.site-v4){color:var(--v4-ink);background:radial-gradient(circle at 82% 10%, rgb(var(--v4-blue-rgb) / .16), transparent 25rem), radial-gradient(circle at 12% 18%, rgb(var(--v4-accent-rgb) / .12), transparent 21rem), linear-gradient(180deg, #ffffff0a, transparent 22rem), linear-gradient(#ffffff06 1px, transparent 1px), linear-gradient(90deg, #ffffff05 1px, transparent 1px), var(--v4-bg);background-repeat:no-repeat,no-repeat,no-repeat,repeat,repeat,no-repeat;background-size:auto,auto,auto,52px 52px,52px 52px,auto;background-attachment:fixed}.site-v4{min-height:100dvh;color:var(--v4-ink);font-family:var(--v4-font-sans);isolation:isolate;background:0 0}.site-v4:before{content:"";z-index:-1;pointer-events:none;background:linear-gradient(110deg, transparent 0 54%, rgb(var(--v4-accent-rgb) / .055) 54% 54.25%, transparent 54.25%), linear-gradient(180deg, transparent 0 68%, #0000003d);position:fixed;inset:0}.site-v4 .site-header-v4{min-height:68px;color:var(--v4-ink);border-bottom:1px solid var(--v4-line);-webkit-backdrop-filter:blur(18px);background:#070d0adb;padding:0 2rem}.site-v4 .brand{color:var(--v4-ink);gap:.72rem}.site-v4 .brand-mark{width:2.15rem;height:2.15rem;filter:drop-shadow(0 0 20px rgb(var(--v4-accent-rgb) / .22))}.site-v4 .brand-name{color:var(--v4-ink);letter-spacing:0;text-transform:none;font-size:.98rem}.site-v4 .nav{gap:1.35rem}.site-v4 .nav a{color:var(--v4-muted);font-family:var(--font-mono);letter-spacing:0;text-transform:none;font-size:.78rem}.site-v4 .nav a:hover{color:var(--v4-accent)}.site-v4 .lang-switch{border:1px solid var(--v4-line);border-radius:var(--v4-radius);background:#ffffff0d;grid-auto-flow:column;gap:2px;padding:3px;display:inline-grid}.site-v4 .lang-switch button{min-width:44px;min-height:30px;color:var(--v4-muted);font-family:var(--font-mono);cursor:pointer;background:0 0;border:0;border-radius:6px;padding:0 .65rem;font-size:.72rem}.site-v4 .lang-switch button.active{color:#06110d;background:var(--v4-accent)}.site-v4 main{overflow:hidden}.hero-v4{grid-template-columns:minmax(20rem,.68fr) minmax(0,1.32fr);align-items:center;gap:clamp(2rem,4.5vw,5.5rem);max-width:1360px;min-height:clamp(560px,100dvh - 132px,780px);margin:0 auto;padding:clamp(3rem,7vh,5.5rem) 2rem clamp(2rem,5vh,3.5rem);display:grid}.hero-v4 .hero-copy{align-content:center;gap:1.15rem;min-width:0;display:grid}.hero-v4 h1{max-width:10.6ch;color:var(--v4-ink);letter-spacing:0;text-wrap:balance;white-space:pre-line;margin:0;font-size:clamp(3.7rem,7.5vw,6rem);font-weight:760;line-height:.98}html[lang=zh-CN] .hero-v4 h1{word-break:keep-all;max-width:9em;font-size:clamp(3.1rem,6vw,4.7rem);line-height:1.08}.hero-v4 .lede-hero{max-width:34rem;color:var(--v4-muted);text-wrap:pretty;margin:0;font-size:clamp(1.05rem,1.3vw,1.18rem);line-height:1.68}.site-v4 .hero-actions,.site-v4 .link-row{flex-wrap:wrap;align-items:center;gap:.75rem;display:flex}.site-v4 .button{white-space:nowrap;border-radius:var(--v4-radius);justify-content:center;align-items:center;gap:.5rem;min-height:46px;padding:0 1rem;font-size:.94rem;font-weight:720;line-height:1;text-decoration:none;transition:transform .16s,background .16s,border-color .16s,color .16s;display:inline-flex}.site-v4 .button:active{transform:translateY(1px)}.site-v4 .button-primary{color:#05100b;background:var(--v4-accent);border:1px solid var(--v4-accent)}.site-v4 .button-primary:hover{background:var(--v4-accent-2);border-color:var(--v4-accent-2)}.site-v4 .button-secondary{color:var(--v4-ink);border:1px solid var(--v4-line);background:#ffffff0e}.site-v4 .button-secondary:hover{color:var(--v4-accent-2);border-color:var(--v4-line-strong)}.site-v4 a:focus-visible,.site-v4 button:focus-visible{outline:2px solid var(--v4-accent);outline-offset:3px}.hero-atlas{perspective:1200px;min-width:0}.atlas-shell{min-height:clamp(470px,54vw,560px);color:var(--v4-ink);background:radial-gradient(circle at 72% 28%, rgb(var(--v4-blue-rgb) / .16), transparent 12rem), linear-gradient(140deg, rgb(var(--v4-accent-rgb) / .08), transparent 38%), linear-gradient(180deg, #fff1, #ffffff05), var(--v4-panel);border:1px solid var(--v4-line);border-radius:var(--v4-radius);transform-origin:50%;position:relative;overflow:hidden;transform:translateY(-.35rem)rotateX(1.2deg)rotateY(-2.4deg);box-shadow:inset 0 1px #ffffff1a}.atlas-shell:before{content:"";pointer-events:none;background:linear-gradient(125deg, #ffffff14, transparent 26%), linear-gradient(90deg, transparent, rgb(var(--v4-accent-rgb) / .08), transparent), linear-gradient(#ffffff09 1px, transparent 1px), linear-gradient(90deg, #ffffff06 1px, transparent 1px);background-size:100% 100%,34px 34px,34px 34px;position:absolute;inset:0}.atlas-toolbar{z-index:2;min-height:48px;color:var(--v4-muted);font-family:var(--font-mono);border-bottom:1px solid var(--v4-line);background:#00000038;justify-content:space-between;align-items:center;gap:1rem;padding:0 1rem;font-size:.74rem;display:flex;position:relative}.atlas-command{color:var(--v4-accent);align-items:center;gap:.45rem;display:inline-flex}.atlas-grid{z-index:1;grid-template-columns:minmax(8rem,.78fr) minmax(3.25rem,.22fr) minmax(13rem,1.08fr) minmax(10rem,.92fr);min-height:clamp(420px,50vw,512px);display:grid;position:relative}.atlas-pane{border-right:1px solid var(--v4-line);min-width:0;padding:clamp(.95rem,1.7vw,1.35rem);position:relative}.atlas-pane:last-child{border-right:0}.atlas-pane-title{z-index:2;color:var(--v4-muted);font-family:var(--font-mono);margin-bottom:1rem;font-size:.72rem;position:relative}.trace-stack{gap:clamp(.75rem,1.35vw,1.05rem);padding-top:1rem;display:grid}.trace-line{transform-origin:0;background:linear-gradient(90deg, rgb(var(--v4-accent-rgb) / .95), #eef4f094, transparent);opacity:.78;border-radius:999px;width:100%;height:3px;display:block;transform:scaleX(.64)}.trace-line-2,.trace-line-6,.trace-line-9{opacity:.45;transform:scaleX(.88)}.trace-line-4,.trace-line-8{transform:scaleX(.5)}.atlas-spine{border-right:1px solid var(--v4-line);align-content:center;gap:2.15rem;display:grid;position:relative}.atlas-spine span{background:linear-gradient(90deg, rgb(var(--v4-accent-rgb) / 0), rgb(var(--v4-accent-rgb) / .88), rgb(var(--v4-accent-rgb) / 0));height:1px;display:block}.atlas-card-stack{gap:.8rem;padding-top:.2rem;display:grid}.atlas-card{border:1px solid var(--v4-line);border-radius:var(--v4-radius);background:#ffffff0e;gap:.35rem;padding:.92rem .95rem;display:grid;box-shadow:inset 0 1px #ffffff12}.atlas-card-2{border-color:var(--v4-line-strong);background:rgb(var(--v4-accent-rgb) / .12)}.atlas-card span{color:var(--v4-accent);font-family:var(--font-mono);font-size:.66rem}.atlas-card strong{color:var(--v4-ink);font-size:.92rem;line-height:1.25}.atlas-card small{color:var(--v4-muted);font-size:.75rem}.atlas-graph{height:clamp(220px,28vw,290px);margin-top:.5rem;position:relative}.node,.edge{display:block;position:absolute}.node{background:#ffffff1a;border:1px solid #ffffff94;border-radius:50%;width:13px;height:13px}.node-main{background:var(--v4-accent);border-color:var(--v4-accent);width:19px;height:19px;box-shadow:0 0 22px rgb(var(--v4-accent-rgb) / .48);top:44%;left:48%}.node-a{top:16%;left:22%}.node-b{top:28%;right:14%}.node-c{bottom:22%;left:14%}.node-d{bottom:18%;right:22%}.edge{transform-origin:0;background:#ffffff40;width:54%;height:1px;top:50%;left:25%}.edge-a{transform:rotate(-31deg)}.edge-b{transform:rotate(22deg)}.edge-c{transform:rotate(64deg)}.edge-d{transform:rotate(121deg)}.wiki-stack{gap:.32rem;width:5.8rem;display:grid;position:absolute;bottom:1.05rem;right:1.05rem}.wiki-stack span{border:1px solid rgb(var(--v4-accent-rgb) / .34);background:linear-gradient(90deg, #ffffff12, rgb(var(--v4-accent-rgb) / .13));border-radius:4px;height:1.2rem;display:block}.signal-rail,.problem-section,.demo-section-v4,.capabilities-section,.system-section,.install-section,.contribute-section,.site-footer-v4{max-width:1180px;margin-left:auto;margin-right:auto;padding-left:clamp(1.25rem,3vw,2rem);padding-right:clamp(1.25rem,3vw,2rem)}.signal-rail{border:1px solid var(--v4-line);border-radius:var(--v4-radius);background:#e2efe61a;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;max-width:1060px;margin-top:.35rem;margin-bottom:clamp(4.5rem,8vw,7rem);padding-top:0;padding-bottom:0;display:grid;overflow:hidden}.signal-cell{background:linear-gradient(#ffffff0b,#ffffff05),#060d0a9e;gap:.45rem;padding:1.1rem 1.2rem;display:grid;position:relative}.signal-cell:after{content:"";background:rgb(var(--v4-accent-rgb) / .42);width:2.6rem;height:1px;position:absolute;bottom:.9rem;right:1rem}.signal-cell:nth-child(2):after{background:rgb(var(--v4-blue-rgb) / .42)}.signal-cell:nth-child(3):after{background:rgb(var(--v4-copper-rgb) / .46)}.signal-cell span{color:var(--v4-faint);font-family:var(--font-mono);font-size:.72rem}.signal-cell strong{color:var(--v4-ink);font-size:1rem;font-weight:720}.problem-section{grid-template-columns:minmax(18rem,.68fr) minmax(0,1.32fr);align-items:start;gap:clamp(2rem,5vw,4.5rem);margin-bottom:clamp(5rem,9vw,8rem);display:grid}.section-copy{gap:.8rem;display:grid}.section-title{max-width:14ch;color:var(--v4-ink);letter-spacing:0;text-wrap:balance;margin:0;font-size:clamp(2.45rem,4.4vw,3.35rem);font-weight:760;line-height:1.04}html[lang=zh-CN] .section-title{max-width:9em;line-height:1.12}.stack-lead{max-width:66ch;color:var(--v4-muted);text-wrap:pretty;margin:0;font-size:1.04rem;line-height:1.72}.problem-grid{grid-template-columns:.96fr 1.04fr;gap:1rem;display:grid;position:relative}.problem-grid:before{content:"";pointer-events:none;background:linear-gradient(90deg, rgb(var(--v4-blue-rgb) / .12), rgb(var(--v4-copper-rgb) / .36), rgb(var(--v4-accent-rgb) / .18));height:1px;position:absolute;top:47%;left:8%;right:8%;transform:rotate(-5deg)}.problem-card{z-index:1;background:radial-gradient(circle at 18% 0%, rgb(var(--v4-blue-rgb) / .1), transparent 11rem), #ffffff0a;border:1px solid var(--v4-line);border-radius:var(--v4-radius);align-content:start;gap:.8rem;min-height:21rem;padding:clamp(1.05rem,2vw,1.35rem);display:grid;position:relative}.problem-card:nth-child(2){background:radial-gradient(circle at 80% 0%, rgb(var(--v4-copper-rgb) / .14), transparent 12rem), #ffffff0a;margin-top:3rem}.problem-card:nth-child(2) .problem-marker{color:var(--v4-copper)}.problem-card:nth-child(3){grid-column:1/-1;min-height:10rem}.problem-marker{color:var(--v4-accent);font-family:var(--font-mono);font-size:.74rem}.problem-fragments{gap:.42rem;margin:0;padding:0;list-style:none;display:grid}.problem-fragments li{color:oklch(82% .026 154);min-width:0;font-family:var(--font-mono);text-overflow:ellipsis;white-space:nowrap;background:#00000038;border:1px solid #ffffff12;border-radius:6px;padding:.45rem .55rem;font-size:.76rem;line-height:1.45;overflow:hidden}.problem-punchline{color:var(--v4-ink);font-size:1.16rem;font-weight:780;line-height:1.28;display:block}.problem-card h3,.feature-card h3,.system-step h3{color:var(--v4-ink);margin:0;font-size:1.08rem;font-weight:760;line-height:1.25}.problem-card p,.feature-card p,.system-step p{color:var(--v4-muted);margin:0;font-size:.96rem;line-height:1.58}.demo-section-v4{max-width:1320px;margin-bottom:clamp(5rem,9vw,8rem)}.demo-copy{max-width:48rem;margin-bottom:1.35rem}.scenario-tabs-v4{border:1px solid var(--v4-line);border-radius:var(--v4-radius) var(--v4-radius) 0 0;background:var(--v4-line);border-bottom:0;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;display:grid;overflow:hidden}.scenario-tabs-v4 button{min-height:44px;color:var(--v4-muted);font-family:var(--font-mono);background:var(--v4-panel);cursor:pointer;border:0;padding:.55rem .5rem;font-size:.74rem}.scenario-tabs-v4 button:hover{color:var(--v4-ink)}.scenario-tabs-v4 button.active{color:#06110d;background:var(--v4-accent)}.site-v4 .demo-stage{border:1px solid var(--v4-line);border-radius:0 0 var(--v4-radius) var(--v4-radius);background:#0208068f;margin:0;overflow:hidden}.site-v4 .demo-stage .flow-terminal{border:0;border-radius:0;height:620px;max-height:none}.site-v4 .flow-terminal{--t-bg:#07100c;--t-surface:#0b1510;--t-ink:#eef5ee;--t-muted:#9aa79f;--t-line:#e2efe61c;--t-green:var(--v4-accent);--t-orange:var(--v4-copper);--t-cyan:var(--v4-blue);border-color:var(--v4-line)}.capabilities-section{margin-bottom:clamp(5rem,9vw,8rem)}.feature-grid{grid-template-columns:repeat(12,minmax(0,1fr));align-items:stretch;gap:1rem;margin-top:1.65rem;display:grid}.feature-card{background:linear-gradient(180deg, #ffffff0f, #ffffff06), var(--v4-panel);border:1px solid var(--v4-line);border-radius:var(--v4-radius);align-content:space-between;gap:1.1rem;min-height:15.8rem;padding:1.2rem;display:grid;position:relative;overflow:hidden}.feature-card:after{content:"";pointer-events:none;opacity:.45;border:1px solid #ffffff14;border-radius:50%;width:4.4rem;height:4.4rem;position:absolute;bottom:1rem;right:1rem}.feature-card-intent{background:radial-gradient(circle at 86% 16%, rgb(var(--v4-accent-rgb) / .16), transparent 13rem), linear-gradient(180deg, #ffffff0f, #ffffff06), var(--v4-panel);grid-column:span 6;min-height:20rem}.feature-card-timeline{background:radial-gradient(circle at 72% 22%, rgb(var(--v4-blue-rgb) / .15), transparent 12rem), linear-gradient(180deg, #ffffff0f, #ffffff06), var(--v4-panel);grid-column:span 6;min-height:20rem;margin-top:2.25rem}.feature-card-wiki{background:radial-gradient(circle at 12% 16%, rgb(var(--v4-copper-rgb) / .14), transparent 12rem), linear-gradient(180deg, #ffffff0e, #ffffff06), var(--v4-panel);grid-column:span 7}.feature-card-notify{grid-column:span 5;margin-top:-2.25rem}.feature-card-head{align-items:center;gap:.75rem;display:flex}.feature-icon,.system-icon{width:2.35rem;height:2.35rem;color:var(--v4-accent);background:rgb(var(--v4-accent-rgb) / .1);border:1px solid rgb(var(--v4-accent-rgb) / .28);border-radius:var(--v4-radius);flex:0 0 2.35rem;place-items:center;display:grid}.feature-artifact{flex-wrap:wrap;gap:.45rem;display:flex}.feature-artifact span{min-height:2rem;color:var(--v4-accent-2);font-family:var(--font-mono);background:rgb(var(--v4-accent-rgb) / .09);border:1px solid rgb(var(--v4-accent-rgb) / .2);border-radius:6px;align-items:center;padding:0 .58rem;font-size:.72rem;display:inline-flex}.system-section{margin-bottom:clamp(5rem,9vw,8rem)}.system-panel{background:0 0;border:0;border-radius:0;grid-template-columns:minmax(0,.74fr) minmax(0,1.26fr);gap:clamp(2rem,5vw,4rem);padding:0;display:grid}.system-track{border-top:1px solid var(--v4-line);border-bottom:1px solid var(--v4-line);background:0 0;border-radius:0;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;display:grid;position:relative;overflow:hidden}.system-step{background:0 0;align-content:start;gap:.8rem;min-height:14rem;padding:1.2rem 1rem;display:grid;position:relative}.system-step+.system-step{border-left:1px solid var(--v4-line)}.install-section{margin-bottom:clamp(5rem,9vw,7.5rem)}.install-band-v4{color:var(--v4-ink);background:radial-gradient(circle at 4% 0%, rgb(var(--v4-accent-rgb) / .15), transparent 16rem), linear-gradient(90deg, rgb(var(--v4-accent-rgb) / .08), transparent 48%), var(--v4-panel);border:1px solid var(--v4-line-strong);border-radius:var(--v4-radius);grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);align-items:start;gap:clamp(1.5rem,4vw,3rem);padding:clamp(1.2rem,2.5vw,1.75rem);display:grid;position:relative}.install-copy{gap:.75rem;display:grid}.install-band-v4 .install-steps{border:1px solid var(--v4-line);border-radius:var(--v4-radius);gap:0;margin:0;padding:0;list-style:none;display:grid}.install-band-v4 .install-step{background:#ffffff0a;gap:.42rem;padding:.9rem .95rem;display:grid}.install-band-v4 .install-step+.install-step{border-top:1px solid var(--v4-line)}.install-band-v4 .install-step-label{color:var(--v4-accent);font-family:var(--font-mono);letter-spacing:0;text-transform:none;font-size:.72rem}.install-band-v4 .install-step-cmd{color:var(--v4-ink);font-family:var(--font-mono);overflow-wrap:anywhere;font-size:.92rem}.doctor-link{color:var(--v4-accent-2);align-items:center;gap:.45rem;font-size:.88rem;font-weight:720;text-decoration:none;display:inline-flex;position:absolute;bottom:1.2rem;right:1.4rem}.contribute-section{border-top:1px solid var(--v4-line);border-bottom:1px solid var(--v4-line);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:2rem;margin-bottom:clamp(3.5rem,6vw,5rem);padding-top:2rem;padding-bottom:2rem;display:grid}.site-footer-v4{color:var(--v4-faint);justify-content:space-between;gap:1rem;padding-top:0;padding-bottom:2.5rem;font-size:.86rem;display:flex}.site-footer-v4 a{color:var(--v4-muted);text-decoration:none}.site-footer-v4 a:hover{color:var(--v4-accent)}@media (prefers-reduced-motion:no-preference){.trace-line{animation:4.8s ease-in-out infinite trace-flow}.trace-line:nth-child(2n){animation-delay:.6s}.trace-line:nth-child(3n){animation-delay:1.2s}.atlas-card-2,.node-main{animation:3.6s ease-in-out infinite atlas-pulse}}@keyframes trace-flow{0%,to{opacity:.5;transform:scaleX(.52)}50%{opacity:1;transform:scaleX(.95)}}@keyframes atlas-pulse{50%{box-shadow:0 0 24px rgb(var(--v4-accent-rgb) / .32)}}@media (prefers-reduced-motion:reduce){.atlas-shell{transform:none}.trace-line,.atlas-card-2,.node-main{animation:none}}@media (width<=1180px){.hero-v4{grid-template-columns:1fr;min-height:auto;padding-top:4.25rem}.hero-v4 h1{max-width:11ch;font-size:4.8rem}html[lang=zh-CN] .hero-v4 h1{font-size:4.4rem}.atlas-shell{transform:none}.problem-section,.system-panel{grid-template-columns:1fr}}@media (width<=900px){.site-v4 .site-header-v4{padding:0 1rem}.site-v4 .nav{display:none}.signal-rail,.problem-section,.demo-section-v4,.capabilities-section,.system-section,.install-section,.contribute-section,.site-footer-v4{padding-left:1rem;padding-right:1rem}.signal-rail,.problem-grid,.system-track,.install-band-v4,.contribute-section{grid-template-columns:1fr}.problem-card:nth-child(2){margin-top:0}.problem-card:nth-child(3),.feature-card-intent,.feature-card-timeline,.feature-card-wiki,.feature-card-notify{grid-column:1/-1}.feature-card-timeline,.feature-card-notify{margin-top:0}.feature-grid{grid-template-columns:1fr}.system-step+.system-step{border-top:1px solid var(--v4-line);border-left:0}.doctor-link{align-self:start;position:static}.site-v4 .demo-stage .flow-terminal{height:auto;min-height:640px}}@media (width<=760px){.hero-v4{gap:2rem;padding:3rem 1rem}.hero-v4 h1{font-size:3.25rem;line-height:1.02}html[lang=zh-CN] .hero-v4 h1{font-size:3.1rem}.hero-v4 .lede-hero,.stack-lead{font-size:.98rem}.section-title{font-size:2.25rem}.atlas-shell{min-height:0}.atlas-grid{grid-template-columns:1fr;min-height:0}.atlas-pane,.atlas-spine{border-right:0;border-bottom:1px solid var(--v4-line)}.atlas-spine{display:none}.atlas-pane-source{min-height:190px}.atlas-pane-observer,.atlas-pane-graph{min-height:240px}.scenario-tabs-v4{grid-template-columns:repeat(2,minmax(0,1fr))}.site-v4 .hero-actions,.site-v4 .link-row,.site-footer-v4{flex-direction:column;align-items:stretch}.site-v4 .button{width:100%}}@media (width<=480px){.site-v4 .brand-name{display:none}.site-v4 .lang-switch button{min-width:38px;padding:0 .45rem}.hero-v4 h1{font-size:2.75rem}html[lang=zh-CN] .hero-v4 h1{font-size:2.5rem}}body:has(.site-compact){background:var(--v4-bg);background-image:none}.site-compact:before{content:none}.site-compact .site-header-v4{-webkit-backdrop-filter:none;min-height:52px;padding:0 clamp(1rem,3vw,1.5rem)}.site-compact .brand-mark{filter:none;width:1.65rem;height:1.65rem}.site-compact .nav{gap:1rem}.site-compact .nav a{font-size:.72rem}.site-compact .hero-v4{grid-template-columns:minmax(0,1.05fr) minmax(16rem,.95fr);align-items:start;gap:clamp(1.25rem,3vw,2rem);max-width:1120px;min-height:auto;padding:clamp(1.5rem,3vw,2.25rem) clamp(1rem,3vw,1.5rem) 1rem}.site-compact .hero-copy{gap:.75rem}.site-compact .hero-v4 h1{letter-spacing:-.03em;white-space:normal;max-width:none;font-size:clamp(1.65rem,2.8vw + .4rem,2.35rem);font-weight:700;line-height:1.12}html[lang=zh-CN] .site-compact .hero-v4 h1{max-width:none;font-size:clamp(1.55rem,2.5vw + .35rem,2.1rem);line-height:1.2}.site-compact .lede-hero{max-width:52ch;font-size:.94rem;line-height:1.55}.site-compact .hero-cmd-block{width:fit-content;max-width:100%;font-family:var(--font-mono);border:1px solid var(--v4-line);border-radius:var(--v4-radius);background:#00000059;gap:.35rem;padding:.65rem .75rem;font-size:.78rem;line-height:1.45;display:grid}.site-compact .hero-cmd-block code{color:var(--v4-accent-2)}.site-compact .hero-actions{margin-top:.15rem}.site-compact .button{min-height:36px;padding:0 .75rem;font-size:.82rem;font-weight:650}.site-compact .hero-spec{min-width:0}.site-compact .spec-dl{border:1px solid var(--v4-line);border-radius:var(--v4-radius);background:#ffffff08;margin:0;padding:0;overflow:hidden}.site-compact .spec-row{border-top:1px solid var(--v4-line);grid-template-columns:6.5rem minmax(0,1fr);gap:.65rem;padding:.5rem .75rem;display:grid}.site-compact .spec-row:first-child{border-top:0}.site-compact .spec-row dt{color:var(--v4-faint);font-family:var(--font-mono);margin:0;font-size:.68rem;font-weight:500}.site-compact .spec-row dd{color:var(--v4-ink);font-family:var(--font-mono);overflow-wrap:anywhere;margin:0;font-size:.74rem;line-height:1.45}.site-compact .signal-rail{background:0 0;grid-template-columns:repeat(4,minmax(0,1fr));max-width:1120px;margin-top:0;margin-bottom:clamp(2rem,4vw,3rem)}.site-compact .signal-cell{gap:.25rem;padding:.65rem .75rem}.site-compact .signal-cell:after{display:none}.site-compact .signal-cell span{font-size:.66rem}.site-compact .signal-cell strong{font-size:.82rem;font-weight:650}.site-compact .problem-section,.site-compact .demo-section-v4,.site-compact .capabilities-section,.site-compact .system-section,.site-compact .install-section,.site-compact .contribute-section{max-width:1120px;margin-bottom:clamp(2rem,4vw,2.75rem)}.site-compact .problem-section{grid-template-columns:1fr;gap:1rem}.site-compact .section-copy-inline{grid-template-columns:minmax(0,.42fr) minmax(0,1fr);align-items:baseline;gap:1rem 1.5rem;display:grid}.site-compact .section-title{letter-spacing:-.02em;max-width:none;font-size:clamp(1.15rem,1.6vw + .35rem,1.45rem);font-weight:700;line-height:1.2}.site-compact .section-title-sm{font-size:1.05rem}.site-compact .stack-lead{font-size:.88rem;line-height:1.55}.site-compact .stack-lead-sm{font-size:.84rem}.site-compact .problem-list{border:1px solid var(--v4-line);border-radius:var(--v4-radius);gap:0;margin:0;padding:0;list-style:none;display:grid}.site-compact .problem-row{border-top:1px solid var(--v4-line);grid-template-columns:5.5rem minmax(0,1fr);gap:.75rem;padding:.75rem .85rem;display:grid}.site-compact .problem-row:first-child{border-top:0}.site-compact .problem-row h3{margin:0 0 .25rem;font-size:.92rem;font-weight:650;line-height:1.3}.site-compact .problem-row p{color:var(--v4-muted);margin:0;font-size:.84rem;line-height:1.5}.site-compact .problem-marker{font-size:.68rem}.site-compact .demo-copy{margin-bottom:.75rem}.site-compact .demo-section-v4{max-width:1120px}.site-compact .demo-stage .flow-terminal{height:clamp(340px,42vh,440px);max-height:none}.site-compact .spec-table-wrap{border:1px solid var(--v4-line);border-radius:var(--v4-radius);margin-top:.75rem;overflow-x:auto}.site-compact .spec-table{border-collapse:collapse;width:100%;font-size:.84rem}.site-compact .spec-table th,.site-compact .spec-table td{text-align:left;vertical-align:top;border-top:1px solid var(--v4-line);padding:.55rem .75rem}.site-compact .spec-table thead th{color:var(--v4-faint);font-family:var(--font-mono);letter-spacing:.04em;text-transform:uppercase;background:#0003;border-top:0;font-size:.66rem;font-weight:500}.site-compact .spec-table tbody th{width:6rem;color:var(--v4-accent-2);font-family:var(--font-mono);white-space:nowrap;font-size:.74rem;font-weight:600}.site-compact .spec-table td{color:var(--v4-muted);line-height:1.45}.site-compact .spec-inline{color:var(--v4-accent-2);font-family:var(--font-mono);white-space:normal;font-size:.72rem}.site-compact .system-strip{border:1px solid var(--v4-line);border-radius:var(--v4-radius);background:#ffffff05;gap:.65rem;padding:.85rem 1rem;display:grid}.site-compact .system-cells{border-top:1px solid var(--v4-line);grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin-top:.35rem;display:grid}.site-compact .system-cell{padding:.65rem .75rem 0}.site-compact .system-cell+.system-cell{border-left:1px solid var(--v4-line);padding-left:.85rem}.site-compact .system-cell h3{font-size:.78rem;font-weight:700;font-family:var(--font-mono);margin:0 0 .2rem}.site-compact .system-cell p{color:var(--v4-muted);margin:0;font-size:.8rem;line-height:1.45}.site-compact .install-band-v4{border:1px solid var(--v4-line);border-radius:var(--v4-radius);background:#ffffff05;grid-template-columns:minmax(0,.38fr) minmax(0,1fr);gap:1rem;padding:.85rem 1rem}.site-compact .install-steps-compact{gap:0;margin:0;padding:0;list-style:none;display:grid}.site-compact .install-step{border-top:1px solid var(--v4-line);grid-template-columns:3.5rem minmax(0,1fr);align-items:baseline;gap:.5rem;padding:.45rem 0;display:grid}.site-compact .install-step:first-child{border-top:0}.site-compact .install-step-label{font-size:.66rem}.site-compact .install-step-cmd{font-size:.78rem}.site-compact .doc-link{color:var(--v4-muted);font-family:var(--font-mono);align-items:center;gap:.35rem;margin-top:.5rem;font-size:.72rem;text-decoration:none;display:inline-flex}.site-compact .doc-link:hover{color:var(--v4-accent)}.site-compact .contribute-grid{grid-template-columns:minmax(0,.46fr) minmax(0,1fr);align-items:start;gap:clamp(1rem,3vw,1.75rem);display:grid}.site-compact .contribute-facts{gap:.75rem;display:grid}.site-compact .contribute-block{border:1px solid var(--v4-line);border-radius:var(--v4-radius);background:#ffffff05;padding:.75rem .85rem}.site-compact .contribute-block h3{color:var(--v4-faint);font-family:var(--font-mono);letter-spacing:.04em;text-transform:uppercase;margin:0 0 .5rem;font-size:.66rem;font-weight:500}.site-compact .cmd-list,.site-compact .path-list{margin:0;padding:0;list-style:none}.site-compact .cmd-list li+li{margin-top:.35rem}.site-compact .cmd-list code{color:var(--v4-accent-2);font-family:var(--font-mono);background:#00000047;border-radius:4px;padding:.35rem .5rem;font-size:.74rem;display:block}.site-compact .path-list li{border-top:1px solid var(--v4-line);gap:.15rem;padding:.45rem 0;display:grid}.site-compact .path-list li:first-child{border-top:0;padding-top:0}.site-compact .path-list code{color:var(--v4-accent-2);font-family:var(--font-mono);font-size:.72rem}.site-compact .path-list span{color:var(--v4-muted);font-size:.8rem;line-height:1.4}.site-compact .site-footer-v4{max-width:1120px;padding-top:1rem;padding-bottom:1.25rem;font-size:.78rem}@media (width<=900px){.site-compact .hero-v4{grid-template-columns:1fr}.site-compact .section-copy-inline{grid-template-columns:1fr;gap:.35rem}.site-compact .signal-rail{grid-template-columns:repeat(2,minmax(0,1fr))}.site-compact .system-cells{grid-template-columns:1fr}.site-compact .system-cell+.system-cell{border-left:0;border-top:1px solid var(--v4-line);padding-top:.65rem;padding-left:.75rem}.site-compact .install-band-v4,.site-compact .contribute-grid{grid-template-columns:1fr}.site-compact .spec-table thead{display:none}.site-compact .spec-table tr{border-top:1px solid var(--v4-line);gap:.25rem;padding:.65rem .75rem;display:grid}.site-compact .spec-table tbody th,.site-compact .spec-table td{border:0;padding:0}}@media (width<=560px){.site-compact .signal-rail{grid-template-columns:1fr}.site-compact .spec-row{grid-template-columns:1fr;gap:.2rem}.site-compact .problem-row{grid-template-columns:1fr}}.site-demo-first{--demo-h:clamp(420px, 58vh, 560px)}body:has(.site-demo-first){background:var(--v4-bg);background-image:none}.site-demo-first:before{content:none}.site-demo-first .site-header-v4{-webkit-backdrop-filter:none;min-height:52px;padding:0 clamp(1rem,3vw,1.5rem)}.site-demo-first .header-actions{align-items:center;gap:.65rem;display:flex}.site-demo-first .header-github{color:var(--v4-muted);font-family:var(--font-mono);border:1px solid var(--v4-line);border-radius:var(--v4-radius);align-items:center;gap:.4rem;padding:.35rem .65rem;font-size:.72rem;text-decoration:none;display:inline-flex}.site-demo-first .header-github:hover{color:var(--v4-accent);border-color:var(--v4-line-strong)}.site-demo-first .nav a{font-size:.72rem}.site-demo-first main{overflow:visible}.hero-demo{max-width:1180px;margin:0 auto;padding:clamp(1.25rem,3vw,2rem) clamp(1rem,3vw,1.5rem) clamp(1.5rem,3vw,2.5rem)}.hero-demo-head{max-width:40rem;margin-bottom:1rem}.hero-demo-head h1{color:var(--v4-ink);letter-spacing:-.03em;text-wrap:balance;margin:0 0 .5rem;font-size:clamp(1.55rem,2.8vw + .35rem,2.25rem);font-weight:700;line-height:1.15}html[lang=zh-CN] .hero-demo-head h1{max-width:16em;line-height:1.22}.hero-demo-head .lede-hero{max-width:48ch;color:var(--v4-muted);margin:0;font-size:.92rem;line-height:1.55}.demo-shell{width:100%}.demo-effect{color:var(--v4-ink);text-wrap:pretty;margin:.65rem 0 .45rem;font-size:.88rem;line-height:1.5}.demo-callouts{flex-wrap:wrap;gap:.4rem;margin:0 0 .65rem;padding:0;list-style:none;display:flex}.demo-callouts li{color:var(--v4-accent-2);font-family:var(--font-mono);background:rgb(var(--v4-accent-rgb) / .1);border:1px solid rgb(var(--v4-accent-rgb) / .22);border-radius:4px;padding:.25rem .55rem;font-size:.68rem}.demo-callouts li[data-target=knowledge]{color:oklch(82% .08 220);background:rgb(var(--v4-blue-rgb) / .12);border-color:rgb(var(--v4-blue-rgb) / .28)}.demo-stage-hero{border:1px solid var(--v4-line);border-radius:0 0 var(--v4-radius) var(--v4-radius);background:#0208068f;overflow:hidden}.site-demo-first .demo-stage-hero .flow-terminal{height:var(--demo-h);border:0;border-radius:0;max-height:none}.site-demo-first .scenario-tabs-v4{border-radius:var(--v4-radius) var(--v4-radius) 0 0}.demo-hint{color:var(--v4-faint);font-family:var(--font-mono);margin:.55rem 0 0;font-size:.68rem}.contrast-section,.moments-section,.site-demo-first .contribute-section{max-width:1180px;margin:0 auto clamp(2rem,4vw,3rem);padding:0 clamp(1rem,3vw,1.5rem)}.contrast-section{grid-template-columns:repeat(2,minmax(0,1fr));gap:.65rem;display:grid}.contrast-cell{border:1px solid var(--v4-line);border-radius:var(--v4-radius);background:#ffffff05;padding:.75rem .85rem}.contrast-with{border-color:rgb(var(--v4-accent-rgb) / .28);background:rgb(var(--v4-accent-rgb) / .06)}.contrast-label{color:var(--v4-faint);font-family:var(--font-mono);letter-spacing:.04em;text-transform:uppercase;margin-bottom:.35rem;font-size:.66rem;display:block}.contrast-with .contrast-label{color:var(--v4-accent)}.contrast-cell p{color:var(--v4-muted);margin:0;font-size:.86rem;line-height:1.5}.contrast-with p{color:var(--v4-ink)}.moments-head{gap:.35rem;margin-bottom:.85rem;display:grid}.site-demo-first .section-title{letter-spacing:-.02em;max-width:none;margin:0;font-size:clamp(1.1rem,1.5vw + .4rem,1.35rem);font-weight:700;line-height:1.2}.site-demo-first .stack-lead{margin:0;font-size:.86rem;line-height:1.5}.moments-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:.55rem;margin:0;padding:0;list-style:none;display:grid}.moment-card{width:100%;min-height:100%;color:inherit;text-align:left;border:1px solid var(--v4-line);border-radius:var(--v4-radius);cursor:pointer;background:#ffffff05;gap:.35rem;padding:.75rem .8rem;transition:border-color .14s,background .14s;display:grid}.moment-card:hover{border-color:var(--v4-line-strong);background:#ffffff0a}.moment-card.is-active{border-color:rgb(var(--v4-accent-rgb) / .45);background:rgb(var(--v4-accent-rgb) / .08)}.moment-card h3{color:var(--v4-ink);margin:0;font-size:.88rem;font-weight:650;line-height:1.25}.moment-card p{color:var(--v4-muted);margin:0;font-size:.78rem;line-height:1.45}.site-demo-first .contribute-grid{grid-template-columns:minmax(0,.46fr) minmax(0,1fr);gap:clamp(1rem,3vw,1.75rem);display:grid}.site-demo-first .contribute-block{border:1px solid var(--v4-line);border-radius:var(--v4-radius);background:#ffffff05;padding:.75rem .85rem}.site-demo-first .contribute-block h3{color:var(--v4-faint);font-family:var(--font-mono);letter-spacing:.04em;text-transform:uppercase;margin:0 0 .5rem;font-size:.66rem;font-weight:500}.site-demo-first .cmd-list,.site-demo-first .path-list{margin:0;padding:0;list-style:none}.site-demo-first .cmd-list li+li{margin-top:.35rem}.site-demo-first .cmd-list code{color:var(--v4-accent-2);font-family:var(--font-mono);background:#00000047;border-radius:4px;padding:.35rem .5rem;font-size:.74rem;display:block}.site-demo-first .path-list li{border-top:1px solid var(--v4-line);gap:.15rem;padding:.45rem 0;display:grid}.site-demo-first .path-list li:first-child{border-top:0;padding-top:0}.site-demo-first .path-list code{color:var(--v4-accent-2);font-family:var(--font-mono);font-size:.72rem}.site-demo-first .path-list span{color:var(--v4-muted);font-size:.8rem}.site-demo-first .link-row{flex-wrap:wrap;gap:.55rem;margin-top:.85rem;display:flex}.site-demo-first .button{border-radius:var(--v4-radius);align-items:center;gap:.4rem;min-height:36px;padding:0 .75rem;font-size:.82rem;font-weight:650;text-decoration:none;display:inline-flex}.site-demo-first .button-primary{color:#05100b;background:var(--v4-accent);border:1px solid var(--v4-accent)}.site-demo-first .button-secondary{color:var(--v4-ink);border:1px solid var(--v4-line);background:#ffffff0d}.site-demo-first .site-footer-v4{flex-wrap:wrap;gap:.75rem 1.25rem;max-width:1180px;padding:1rem clamp(1rem,3vw,1.5rem) 1.25rem;font-size:.78rem;display:flex}.site-demo-first .site-footer-v4 a{color:var(--v4-muted)}.site-demo-first .site-footer-v4 a:hover{color:var(--v4-accent)}@media (width<=900px){.moments-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.site-demo-first .contribute-grid,.contrast-section{grid-template-columns:1fr}}@media (width<=560px){.site-demo-first .header-github span,.site-demo-first .header-github{display:none}.moments-grid{grid-template-columns:1fr}.site-demo-first{--demo-h:clamp(360px, 52vh, 440px)}.demo-callouts{display:none}}.site-landing{--demo-h:clamp(400px, 54vh, 520px);--landing-measure:76rem}.site-landing .site-header-v4{min-height:56px;padding:0 clamp(1rem,3vw,1.75rem)}.site-landing .landing-hero{max-width:var(--landing-measure);margin:0 auto;padding:clamp(1.35rem,3vw,2rem) clamp(1.25rem,4vw,2.5rem) clamp(1.5rem,3vw,2.25rem)}.site-landing .landing-hero-intro{margin-bottom:1.35rem;padding:clamp(2.25rem,8vw,5.25rem) 0 clamp(1.2rem,3vw,2rem);position:relative;overflow:visible}.site-landing .landing-hero-head{max-width:62rem;margin:0}.site-landing .landing-hero-title-row{flex-wrap:wrap;align-items:center;gap:clamp(.7rem,1.8vw,1.35rem);display:flex}.site-landing .landing-hero-head h1{color:var(--v4-ink);letter-spacing:0;text-wrap:balance;flex:0 auto;margin:0;font-size:clamp(1.75rem,3.2vw + .4rem,2.65rem);font-weight:700;line-height:1.12}html[lang=zh-CN] .site-landing .landing-hero-head h1{word-break:keep-all;max-width:16em;line-height:1.2}.site-landing .lede-hero{max-width:50ch;color:var(--v4-muted);margin:.65rem 0 .85rem;font-size:clamp(.95rem,.25vw + .9rem,1.06rem);line-height:1.6}.site-landing .hero-proof-list-v4{flex-wrap:wrap;gap:.45rem;margin:0;padding:0;list-style:none;display:flex}.site-landing .hero-proof-list-v4 li{color:var(--v4-muted);font-family:var(--font-mono);border:1px solid var(--v4-line);background:#ffffff0a;border-radius:4px;padding:.28rem .6rem;font-size:.68rem}.site-landing .hero-clawd{pointer-events:none;flex:none;width:clamp(14rem,24vw,21rem);height:clamp(8.87rem,15.2vw,13.3rem);position:absolute;top:clamp(1.9rem,3.2vw,2.8rem);right:clamp(.25rem,4vw,3.5rem)}.site-landing .hero-clawd-canvas{width:100%;height:100%;image-rendering:pixelated;image-rendering:crisp-edges;display:block}.site-landing .demo-section-intro{margin-bottom:.85rem}.site-landing .demo-section-title{max-width:none;color:var(--v4-ink);letter-spacing:-.02em;margin:0 0 .35rem;font-size:clamp(1.15rem,1.8vw + .4rem,1.45rem);font-weight:650;line-height:1.22}.site-landing .demo-section-lead{max-width:58ch;color:var(--v4-muted);margin:0;font-size:.92rem;line-height:1.55}.site-landing .section-kicker{color:var(--v4-accent);font-size:.72rem}.site-landing .demo-narrative{border:1px solid var(--v4-line);border-radius:var(--v4-radius);background:#ffffff08;margin:.65rem 0 .75rem;padding:.75rem .85rem}.site-landing .demo-narrative-title{color:var(--v4-ink);margin:0 0 .3rem;font-size:.92rem;font-weight:650}.site-landing .demo-narrative-thesis{color:var(--v4-muted);margin:0 0 .55rem;font-size:.86rem;line-height:1.52}.site-landing .demo-callouts{flex-wrap:wrap;gap:.35rem;margin:0 0 .55rem;padding:0;list-style:none;display:flex}.site-landing .demo-callouts li{color:var(--v4-accent-2);font-family:var(--font-mono);background:rgb(var(--v4-accent-rgb) / .1);border:1px solid rgb(var(--v4-accent-rgb) / .2);border-radius:4px;padding:.22rem .5rem;font-size:.65rem}.site-landing .demo-artifacts{gap:.35rem;margin:0;display:grid}.site-landing .demo-artifact-row{grid-template-columns:5.5rem minmax(0,1fr);gap:.65rem;font-size:.78rem;display:grid}.site-landing .demo-artifact-row dt{color:var(--v4-faint);font-family:var(--font-mono);margin:0;font-size:.66rem}.site-landing .demo-artifact-row dd{color:var(--v4-muted);margin:0;line-height:1.4}.site-landing .demo-stage-hero{border:1px solid var(--v4-line);border-radius:0 0 var(--v4-radius) var(--v4-radius);background:#0208068f;overflow:hidden}.site-landing .demo-stage-hero .flow-terminal{height:var(--demo-h);border:0;max-height:none}.site-landing .scenario-tabs-v4{border-radius:var(--v4-radius) var(--v4-radius) 0 0;grid-template-columns:repeat(auto-fit,minmax(5.5rem,1fr));display:grid}.site-landing .moments-section{max-width:var(--landing-measure);margin:0 auto clamp(1.75rem,4vw,2.75rem);padding:0 clamp(1.25rem,4vw,2.5rem)}.site-landing .moments-head{gap:.35rem;margin-bottom:.85rem;display:grid}.site-landing .moments-grid{grid-template-columns:repeat(auto-fit,minmax(11rem,1fr));gap:.55rem;margin:0;padding:0;list-style:none;display:grid}.site-landing .moment-card{width:100%;min-height:100%;color:inherit;text-align:left;border:1px solid var(--v4-line);border-radius:var(--v4-radius);cursor:pointer;background:#ffffff05;gap:.35rem;padding:.75rem .8rem;transition:border-color .14s,background .14s;display:grid}.site-landing .moment-card:hover{border-color:var(--v4-line-strong);background:#ffffff0a}.site-landing .moment-card h3{color:var(--v4-ink);margin:0;font-size:.86rem;font-weight:650}.site-landing .moment-card p{color:var(--v4-muted);margin:0;font-size:.78rem;line-height:1.45}.site-landing .demo-callouts li[data-target=replay]{color:oklch(84% .09 63);background:rgb(var(--v4-copper-rgb) / .12);border-color:rgb(var(--v4-copper-rgb) / .28)}.site-landing .scenario-tabs-v4{border-radius:var(--v4-radius) var(--v4-radius) 0 0}.site-landing .demo-hint-line{color:var(--v4-faint);font-family:var(--font-mono);margin:.55rem 0 0;font-size:.68rem}.site-landing .content-stack{max-width:var(--landing-measure);padding:clamp(2rem,4vw,3rem) clamp(1.25rem,4vw,2.5rem)}.site-landing .content-stack-problem{max-width:var(--landing-measure);margin:0 auto;padding-top:0;padding-bottom:clamp(.5rem,2vw,1rem)}.site-landing .section-title{max-width:24ch;color:var(--v4-ink);letter-spacing:-.02em;font-size:clamp(1.35rem,2vw + .5rem,1.85rem);font-weight:650;line-height:1.18}html[lang=zh-CN] .site-landing .section-title{max-width:16em}.site-landing .stack-lead,.site-landing .stack-lead-tight{color:var(--v4-muted);font-size:.94rem;line-height:1.6}.site-landing .stack-divider{border-top-color:var(--v4-line)}.site-landing .pain-pillar{color:var(--v4-ink);border-color:var(--v4-line);box-shadow:none;background:#ffffff09}.site-landing .pain-pillar-title{color:var(--v4-ink)}.site-landing .pain-pillar-body,.site-landing .pain-fragments li{color:var(--v4-muted)}.site-landing .pain-punchline{color:var(--v4-ink)}.site-landing .capability-card{border-color:var(--v4-line);box-shadow:none;background:#ffffff09}.site-landing .capability-card h3{color:var(--v4-ink)}.site-landing .capability-card p{color:var(--v4-muted);font-size:.9rem;line-height:1.55}.site-landing .capability-icon{color:var(--v4-accent);background:rgb(var(--v4-accent-rgb) / .1);border-color:rgb(var(--v4-accent-rgb) / .25)}.site-landing .cbti-section{gap:1rem;display:grid}.site-landing .cbti-head{gap:.45rem;display:grid}.site-landing .cbti-marquee-set{border-radius:var(--v4-radius);background:linear-gradient(90deg,#ffffff09,#0000 38%,#ffffff05),#ffffff05;gap:.55rem;margin:.3rem 0 0;padding:.55rem 0;display:grid;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,#0000,#000 5% 95%,#0000);mask-image:linear-gradient(90deg,#0000,#000 5% 95%,#0000)}.site-landing .cbti-marquee{overflow:visible}.site-landing .cbti-track{will-change:transform;gap:.55rem;width:max-content;margin:0;padding:0 .55rem;list-style:none;animation:58s linear infinite cbti-scroll-left;display:flex}.site-landing .cbti-marquee-bottom .cbti-track{animation-name:cbti-scroll-right;animation-duration:68s}.site-landing .cbti-marquee-set:hover .cbti-track{animation-play-state:paused}.site-landing .cbti-card{--cbti-a:#7dcfff;--cbti-b:#9ece6a;--cbti-c:#111b18;border:1px solid var(--v4-line);border-radius:var(--v4-radius);background:#08140fc7;flex:0 0 16.6rem;grid-template-columns:5.2rem minmax(0,1fr);min-width:0;min-height:6.5rem;display:grid;overflow:hidden;box-shadow:inset 0 0 0 1px #ffffff06}.site-landing .cbti-card-arch{--cbti-a:#7dcfff;--cbti-b:#bb9af7;--cbti-c:#102030}.site-landing .cbti-card-ship{--cbti-a:#4fd88a;--cbti-b:#e0af68;--cbti-c:#10241a}.site-landing .cbti-card-refac{--cbti-a:#73daca;--cbti-b:#7dcfff;--cbti-c:#11221f}.site-landing .cbti-card-reuse{--cbti-a:#e0af68;--cbti-b:#9ece6a;--cbti-c:#271f12}.site-landing .cbti-card-pioneer{--cbti-a:#ff9e64;--cbti-b:#f7768e;--cbti-c:#2a1710}.site-landing .cbti-card-tinker{--cbti-a:#d1865b;--cbti-b:#e0af68;--cbti-c:#241812}.site-landing .cbti-card-diver{--cbti-a:#7dcfff;--cbti-b:#4fd8c8;--cbti-c:#0d1c2a}.site-landing .cbti-card-spark{--cbti-a:#f2c879;--cbti-b:#f7768e;--cbti-c:#2a2210}.site-landing .cbti-card-pivot{--cbti-a:#bb9af7;--cbti-b:#f7768e;--cbti-c:#211728}.site-landing .cbti-card-scout{--cbti-a:#9ece6a;--cbti-b:#7dcfff;--cbti-c:#112317}.site-landing .cbti-card-steady{--cbti-a:#8fa7d8;--cbti-b:#9ece6a;--cbti-c:#141a26}.site-landing .cbti-card-fire{--cbti-a:#f7768e;--cbti-b:#ff9e64;--cbti-c:#2b1413}.site-landing .cbti-card-marathon{--cbti-a:#4fd8c8;--cbti-b:#9ece6a;--cbti-c:#102220}.site-landing .cbti-card-night{--cbti-a:#bb9af7;--cbti-b:#7dcfff;--cbti-c:#18152a}.site-landing .cbti-card-chill{--cbti-a:#9ece6a;--cbti-b:#73daca;--cbti-c:#142218}.site-landing .cbti-card-star{--cbti-a:#e0af68;--cbti-b:#7dcfff;--cbti-c:#241f12}.site-landing .cbti-card-owl{--cbti-a:#8fa7d8;--cbti-b:#bb9af7;--cbti-c:#15182a}.site-landing .cbti-card-void{--cbti-a:#a9b1d6;--cbti-b:#7aa2f7;--cbti-c:#171923}.site-landing .cbti-card-ghost{--cbti-a:#b4f9f8;--cbti-b:#a9b1d6;--cbti-c:#132022}.site-landing .cbti-avatar{background:linear-gradient(135deg, #ffffff14, transparent 42%), var(--cbti-c);border-right:1px solid var(--v4-line);min-height:0;position:relative;overflow:hidden}.site-landing .cbti-avatar img{object-fit:cover;object-position:center;width:100%;height:100%;min-height:6.5rem;display:block}.site-landing .cbti-card-body{align-content:center;gap:.2rem;min-width:0;padding:.44rem .55rem;display:grid}.site-landing .cbti-meta{flex-wrap:wrap;align-items:center;gap:.35rem;display:flex}.site-landing .cbti-code{color:var(--cbti-a);font-family:var(--font-mono);font-size:.66rem;font-weight:700}.site-landing .cbti-rarity{color:var(--v4-muted);font-family:var(--font-mono);border:1px solid var(--v4-line);border-radius:4px;padding:.12rem .38rem;font-size:.56rem}.site-landing .cbti-rarity-epic{color:#d9b8ff;border-color:#bb9af757}.site-landing .cbti-rarity-legendary{color:#f2c879;border-color:#e0af6866}.site-landing .cbti-card h3{color:var(--v4-ink);margin:0;font-size:.84rem;line-height:1.25}.site-landing .cbti-alias,.site-landing .cbti-intro{margin:0}.site-landing .cbti-alias{color:var(--v4-faint);font-family:var(--font-mono);font-size:.6rem}.site-landing .cbti-intro{color:var(--v4-muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.72rem;line-height:1.35;display:-webkit-box;overflow:hidden}.site-landing .cbti-style{color:var(--cbti-b);font-size:.68rem;font-weight:650}@keyframes cbti-scroll-left{0%{transform:translate(0)}to{transform:translate(-50%)}}@keyframes cbti-scroll-right{0%{transform:translate(-50%)}to{transform:translate(0)}}.site-landing .session-beats .section-title{margin-bottom:1rem}.site-landing .session-path-phase{color:var(--v4-accent)}.site-landing .session-path-copy{color:var(--v4-muted)}.site-landing .principle-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem;margin:.75rem 0 0;padding:0;list-style:none;display:grid}.site-landing .principle-item{border:1px solid var(--v4-line);border-radius:var(--v4-radius);background:#ffffff08;padding:.85rem .95rem}.site-landing .principle-item h3{color:var(--v4-ink);margin:0 0 .35rem;font-size:.92rem;font-weight:650;line-height:1.3}.site-landing .principle-item p{color:var(--v4-muted);margin:0;font-size:.84rem;line-height:1.5}.site-landing .contribute-layout{text-align:center;justify-items:center;margin-top:.5rem;display:grid}.site-landing .contribute-intro{justify-items:center;max-width:32rem;display:grid}.site-landing .link-row{flex-wrap:wrap;justify-content:center;gap:.55rem;margin-top:.85rem;display:flex}.site-landing .button{border-radius:var(--v4-radius);align-items:center;gap:.4rem;min-height:38px;padding:0 .85rem;font-size:.84rem;font-weight:650;text-decoration:none;display:inline-flex}.site-landing .button-primary{color:#05100b;background:var(--v4-accent);border:1px solid var(--v4-accent)}.site-landing .button-secondary{color:var(--v4-ink);border:1px solid var(--v4-line);background:#ffffff0d}.site-landing .site-footer-v4{max-width:var(--landing-measure);color:var(--v4-faint);flex-wrap:wrap;gap:.75rem 1.25rem;margin:0 auto;padding:1.25rem clamp(1.25rem,4vw,2.5rem) 1.75rem;font-size:.78rem;display:flex}.site-landing .site-footer-v4 a{color:var(--v4-muted)}.site-landing .site-footer-v4 a:hover{color:var(--v4-accent)}.site-landing .header-actions{align-items:center;gap:.65rem;display:flex}.site-landing .hero-github-row{margin-top:.82rem;display:flex}.site-landing .hero-github{min-height:2.35rem;color:var(--v4-ink);font-family:var(--font-mono);border:1px solid var(--v4-line-strong);border-radius:var(--v4-radius);background:#ffffff0e;align-items:center;gap:.46rem;padding:0 .9rem;font-size:.76rem;font-weight:650;text-decoration:none;display:inline-flex;box-shadow:inset 0 0 0 1px #ffffff09}.site-landing .hero-github:hover{color:var(--v4-accent);border-color:rgb(var(--v4-accent-rgb) / .45);background:#4ed98214}@media (width<=960px){.site-landing .landing-hero-intro{padding:2.25rem 0 .5rem}.site-landing .pain-pillars,.site-landing .capability-grid,.site-landing .principle-list,.site-landing .contribute-layout{grid-template-columns:1fr}.site-landing .demo-artifact-row{grid-template-columns:1fr;gap:.15rem}}@media (width<=760px){.site-landing .hero-clawd{width:clamp(11rem,48vw,14rem);height:clamp(6.97rem,30.4vw,8.87rem);margin-top:.75rem;position:relative;top:auto;right:auto;transform:translateY(.25rem)}}@media (width<=640px){.site-landing{--demo-h:clamp(340px, 48vh, 420px)}.site-landing .nav{display:none}.site-landing .hero-clawd{flex-basis:10rem;width:10rem;height:6.33rem}}