:root{--bg: #fafafb;--card: #ffffff;--panel: #f5f5f6;--panel-strong: #ececee;--fg: #14151c;--muted: #727377;--faint: #a3a4aa;--border: #e9e9ed;--border-strong: #d6d7dc;--ink: #14151c;--ink-fg: #ffffff;--blue: #2564f8;--blue-text: #2564f8;--blue-soft: #f0f7ff;--success: #0f7a52;--success-soft: #e7f6ef;--warning: #b45309;--warning-soft: #fff5e5;--danger: #c0343e;--danger-soft: #fdeeee;--ai-teal: #5dd8c8;--ai-blue: #7baaf7;--ai-violet: #a78bfa;--ai-ink-blue: #2564f8;--ai-ink-teal: #36cfc9;--logo-a: #67b4ff;--logo-b: #4387f4;--logo-c: #615ced;--shadow-stage: 0 2px 20px -4px rgb(0 0 0 / 10%);--shadow-float: 0 24px 60px -24px rgb(20 21 28 / 22%), 0 2px 6px rgb(20 21 28 / 5%);--band: #14151c;--band-fg: #e6e7ec;--band-muted: #9a9ba3;--font-display: "Geist", "Noto Sans SC", -apple-system, "PingFang SC", "Hiragino Sans GB", sans-serif;--font-body: "Geist", "Noto Sans SC", -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--ease-out: cubic-bezier(.22, .8, .24, 1);--r-sm: 8px;--r-md: 12px;--r-lg: 16px;--r-xl: 20px}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--bg: #0f1014;--card: #17181d;--panel: #1f2026;--panel-strong: #282930;--fg: #e6e7ec;--muted: #9a9ba3;--faint: #6c6d75;--border: #26272d;--border-strong: #34353d;--ink: #e6e7ec;--ink-fg: #14151c;--blue: #3d76ff;--blue-text: #7da4ff;--blue-soft: #18213a;--success: #4fd39b;--success-soft: #12261d;--warning: #f5b454;--warning-soft: #2a2010;--danger: #ff7a83;--danger-soft: #2c1517;--shadow-stage: 0 0 0 1px rgb(255 255 255 / 5%), 0 2px 20px -4px rgb(0 0 0 / 50%);--shadow-float: 0 0 0 1px rgb(255 255 255 / 6%), 0 24px 60px -24px rgb(0 0 0 / 70%);--band: #1a1b20;--band-fg: #e6e7ec;--band-muted: #9a9ba3}}:root[data-theme=dark]{color-scheme:dark;--bg: #0f1014;--card: #17181d;--panel: #1f2026;--panel-strong: #282930;--fg: #e6e7ec;--muted: #9a9ba3;--faint: #6c6d75;--border: #26272d;--border-strong: #34353d;--ink: #e6e7ec;--ink-fg: #14151c;--blue: #3d76ff;--blue-text: #7da4ff;--blue-soft: #18213a;--success: #4fd39b;--success-soft: #12261d;--warning: #f5b454;--warning-soft: #2a2010;--danger: #ff7a83;--danger-soft: #2c1517;--shadow-stage: 0 0 0 1px rgb(255 255 255 / 5%), 0 2px 20px -4px rgb(0 0 0 / 50%);--shadow-float: 0 0 0 1px rgb(255 255 255 / 6%), 0 24px 60px -24px rgb(0 0 0 / 70%);--band: #1a1b20;--band-fg: #e6e7ec;--band-muted: #9a9ba3}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.6 var(--font-body);-webkit-font-smoothing:antialiased;font-feature-settings:"ss01","cv11"}body:before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--bg)}a{color:inherit;text-decoration:none}h1,h2,h3,h4,p{margin:0}h1,h2,h3{font-family:var(--font-display);text-wrap:balance;letter-spacing:-.025em}.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:6px}.wrap{width:100%;max-width:1200px;margin-inline:auto;padding-left:max(24px,env(safe-area-inset-left,0px));padding-right:max(24px,env(safe-area-inset-right,0px))}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:10px;font-weight:600;font-size:14px;border:1px solid transparent;transition:background-color .15s var(--ease-out),border-color .15s var(--ease-out),color .15s var(--ease-out),transform .08s;white-space:nowrap;cursor:pointer}.btn:active{transform:scale(.97)}.btn-primary{background:var(--ink);color:var(--ink-fg)}.btn-primary:hover{background:var(--blue);color:#fff}.btn-outline{background:var(--card);color:var(--fg);border-color:var(--border-strong)}.btn-outline:hover{border-color:var(--muted)}.btn-sm{height:36px;padding:0 14px;font-size:13px;border-radius:9px}.link{color:var(--blue-text);font-weight:600;font-size:14px;display:inline-flex;gap:6px;align-items:center}.link:hover{text-decoration:underline;text-underline-offset:3px}.eyebrow{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.tag{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 9px;border-radius:999px;font-size:12px;font-weight:500;background:var(--panel);color:var(--muted);white-space:nowrap}.tag.ok{background:var(--success-soft);color:var(--success)}.tag.warn{background:var(--warning-soft);color:var(--warning)}.tag.bad{background:var(--danger-soft);color:var(--danger)}.tag.info{background:var(--blue-soft);color:var(--blue-text)}.dot{width:6px;height:6px;border-radius:50%;background:currentColor;flex:none}.header{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid color-mix(in srgb,var(--border) 70%,transparent)}.nav{height:64px;display:flex;align-items:center;gap:40px}.logo{display:inline-flex;align-items:center;color:var(--fg)}.logo svg{height:26px;width:auto;display:block}.nav-links{display:flex;gap:28px;flex:1;font-size:14px;color:var(--muted)}.nav-links a:hover{color:var(--fg)}.nav-actions{display:flex;align-items:center;gap:16px;font-size:14px}.nav-actions .lang{color:var(--muted);display:inline-flex;gap:6px;align-items:center}.nav-actions .signin{color:var(--muted)}.nav-actions .signin:hover{color:var(--fg)}.hero{padding-block:72px 88px;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background-image:radial-gradient(color-mix(in srgb,var(--fg) 9%,transparent) 1px,transparent 1px);background-size:22px 22px;mask-image:radial-gradient(ellipse 70% 60% at 75% 30%,#000 10%,transparent 70%);-webkit-mask-image:radial-gradient(ellipse 70% 60% at 75% 30%,#000 10%,transparent 70%);pointer-events:none}.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);gap:56px;align-items:center}.hero-copy{min-width:0}.hero h1{font-size:clamp(40px,5.6vw,68px);line-height:1.08;font-weight:700;letter-spacing:-.035em;margin-top:18px}.hero h1 .kw{background:linear-gradient(100deg,var(--ai-ink-teal),var(--ai-ink-blue) 55%,var(--ai-violet));-webkit-background-clip:text;background-clip:text;color:transparent}.hero .lead{margin-top:22px;font-size:18px;line-height:1.7;color:var(--muted);max-width:34em}.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}.hero-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:24px;font-size:13px;color:var(--muted)}.hero-meta span{display:inline-flex;align-items:center;gap:7px}.hero-meta svg{width:15px;height:15px;color:var(--faint)}.pill-new{display:inline-flex;align-items:center;gap:10px;padding:4px 12px 4px 4px;border-radius:999px;border:1px solid var(--border);background:var(--card);font-size:13px;color:var(--muted)}.pill-new b{font-weight:600;font-size:11px;letter-spacing:.04em;padding:2px 8px;border-radius:999px;background:var(--ink);color:var(--ink-fg)}.pill-new:hover{border-color:var(--border-strong);color:var(--fg)}.room{position:relative;border-radius:var(--r-xl);background:var(--card);box-shadow:var(--shadow-float);min-width:0}.room:before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;background:conic-gradient(from var(--spin, 0deg),var(--ai-teal),var(--ai-blue),var(--ai-violet),transparent 40%,transparent 60%,var(--ai-teal));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:.9;animation:spin 6s linear infinite;pointer-events:none}@property --spin{syntax: "<angle>"; inherits: false; initial-value: 0deg;}@keyframes spin{to{--spin: 360deg}}.room-top{display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--border);font-size:13px}.room-top .title{font-weight:600;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.room-top .title span{color:var(--muted);font-weight:400}.live{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:var(--success);font-weight:600}.live .dot{animation:pulse 1.6s ease-in-out infinite}@keyframes pulse{50%{opacity:.3}}.room-body{padding:22px 22px 18px;display:grid;gap:16px}.persona{display:flex;gap:12px;align-items:center}.avatar-ai{width:40px;height:40px;border-radius:12px;background:linear-gradient(145deg,var(--logo-a),var(--logo-b) 50%,var(--logo-c));display:grid;place-items:center;color:#fff;font-weight:700;font-size:15px;flex:none}.persona b{display:block;font-size:14px}.persona small{color:var(--muted);font-size:12px}.goal{margin-left:auto;text-align:right;font-size:12px;color:var(--muted);line-height:1.5}.goal b{color:var(--fg);font-weight:500}.caption{border-radius:14px;padding:14px 16px;font-size:15px;line-height:1.65}.caption.ai{background:var(--panel)}.caption.me{background:var(--card);border:1px solid var(--border);margin-left:32px}.caption .who{display:flex;justify-content:space-between;font-size:11px;font-weight:600;letter-spacing:.06em;color:var(--faint);margin-bottom:4px;text-transform:uppercase}.wave{display:flex;align-items:center;gap:3px;height:40px;padding-inline:4px}.wave i{flex:1;max-width:5px;border-radius:3px;height:calc(8px + var(--h) * 1px);background:linear-gradient(var(--ai-ink-teal),var(--ai-ink-blue));opacity:.85;animation:bar 1.4s ease-in-out infinite;animation-delay:calc(var(--d) * -.09s);transform-origin:center}@keyframes bar{50%{transform:scaleY(.45);opacity:.5}}.wave-row{display:flex;align-items:center;gap:14px}.wave-row .state{font-size:12px;color:var(--muted);white-space:nowrap}.controls{display:flex;align-items:center;gap:10px;padding:14px 18px;border-top:1px solid var(--border)}.ctl{height:36px;padding:0 12px;border-radius:10px;display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--muted);background:var(--panel)}.ctl svg{width:16px;height:16px}.ctl.end{margin-left:auto;background:var(--danger-soft);color:var(--danger);font-weight:600}.room-float{position:absolute;right:-18px;bottom:-26px;width:240px;background:var(--card);border-radius:14px;box-shadow:var(--shadow-float);padding:14px 16px;font-size:12px}.room-float .row{display:flex;justify-content:space-between;align-items:center;gap:8px}.room-float .row+.row{margin-top:8px}.room-float h4{font-size:12px;color:var(--muted);font-weight:500;margin-bottom:10px}section.block{padding-block:96px}.sec-head{max-width:760px}.sec-head h2{font-size:clamp(30px,3.6vw,44px);line-height:1.15;font-weight:700;margin-top:12px}.sec-head p{margin-top:16px;font-size:17px;color:var(--muted);max-width:40em}.rule{border-top:1px solid var(--border)}.packs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:48px}.pack{background:var(--card);border:1px solid var(--border);border-radius:var(--r-xl);padding:32px;display:flex;flex-direction:column;gap:20px;transition:box-shadow .2s var(--ease-out),transform .2s var(--ease-out);min-width:0}.pack:hover{transform:translateY(-2px);box-shadow:var(--shadow-stage)}.pack-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.pack h3{font-size:26px;font-weight:700}.pack>p{color:var(--muted)}.pack ul{list-style:none;margin:0;padding:0;display:grid;gap:12px}.pack li{display:grid;grid-template-columns:20px minmax(0,1fr);gap:10px;font-size:14px}.pack li svg{width:18px;height:18px;margin-top:2px;color:var(--fg)}.pack .who{font-size:13px;color:var(--muted);padding-top:16px;border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-top:auto}.loop{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:48px;border-top:1px solid var(--border)}.loop article{padding:28px 28px 8px 0;min-width:0}.loop article+article{padding-left:28px;border-left:1px solid var(--border)}.loop .n{font-family:var(--font-mono);font-size:12px;color:var(--faint)}.loop h3{font-size:22px;margin-top:14px}.loop p{color:var(--muted);margin-top:10px;font-size:14px}.loop .spec{margin-top:18px;display:flex;flex-wrap:wrap;gap:6px}.training{background:var(--card);border-block:1px solid var(--border)}.steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:48px}.step{border:1px solid var(--border);border-radius:var(--r-xl);background:var(--bg);padding:24px;display:flex;flex-direction:column;gap:18px;min-width:0}.step-head{display:flex;gap:14px;align-items:baseline}.step-head .n{font-family:var(--font-mono);font-size:12px;color:var(--faint);flex:none}.step-head h3{font-size:19px}.step-head p{color:var(--muted);font-size:14px;margin-top:4px}.mock{background:var(--card);border-radius:14px;box-shadow:var(--shadow-stage);padding:6px;font-size:13px;margin-top:auto}.mrow{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:9px;min-width:0}.mrow+.mrow{border-top:1px solid var(--border);border-radius:0}.mrow .grow{flex:1;min-width:0}.mrow .grow b{font-weight:500;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mrow .grow small{color:var(--muted);font-size:12px;display:block}.ficon{width:30px;height:34px;border-radius:6px;background:var(--panel);display:grid;place-items:center;font:600 9px var(--font-mono);color:var(--muted);flex:none;letter-spacing:.02em}.cite{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-family:var(--font-mono);color:var(--muted);background:var(--panel);border-radius:6px;padding:2px 7px;margin-top:4px}.cite.miss{color:var(--warning);background:var(--warning-soft)}.claim{font-size:13px;line-height:1.55}.claim+.claim{margin-top:10px}.ex-title{display:flex;justify-content:space-between;align-items:center;padding:10px 12px 6px;font-weight:600}.ex-body{padding:4px 12px 12px}.assign{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;padding:6px}.assign div{background:var(--panel);border-radius:9px;padding:10px 12px;min-width:0}.assign small{display:block;color:var(--muted);font-size:11px}.assign b{font-weight:600;font-size:14px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:13px;font-variant-numeric:tabular-nums}th{text-align:left;font-weight:500;color:var(--muted);font-size:12px;padding:8px 12px}td{padding:9px 12px;border-top:1px solid var(--border);white-space:nowrap}td.num,th.num{text-align:right;font-family:var(--font-mono)}.sum{display:flex;justify-content:space-between;align-items:baseline;padding:10px 12px 4px;gap:12px;flex-wrap:wrap}.sum b{font:600 22px var(--font-mono)}.sum small{color:var(--muted);font-size:12px}.note{font-size:12px;color:var(--muted);padding:4px 12px 8px}.score-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:64px;align-items:start;margin-top:8px}.facts{margin-top:36px;display:grid;gap:22px}.fact{display:grid;grid-template-columns:36px minmax(0,1fr);gap:14px}.fact .ic{width:36px;height:36px;border-radius:10px;background:var(--panel);display:grid;place-items:center}.fact .ic svg{width:18px;height:18px}.fact h4{font-size:15px;font-weight:600}.fact p{color:var(--muted);font-size:14px;margin-top:3px}.report{background:var(--card);border-radius:var(--r-xl);box-shadow:var(--shadow-float);overflow:hidden;min-width:0}.report-head{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;border-bottom:1px solid var(--border)}.report-head small{color:var(--muted);font-size:12px;display:block}.report-head b{font-size:16px}.big{font:600 40px/1 var(--font-mono);letter-spacing:-.03em}.big small{font-size:15px;color:var(--muted);letter-spacing:0}.dim{padding:18px 24px;border-bottom:1px solid var(--border)}.dim-top{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center}.dim-top b{font-weight:600;font-size:14px}.dim-top b span{color:var(--faint);font-weight:400;font-family:var(--font-mono);font-size:12px;margin-left:6px}.pips{display:flex;gap:4px;align-items:center}.pips i{width:22px;height:6px;border-radius:3px;background:var(--panel-strong)}.pips i.on{background:var(--ink)}.pips em{font:500 12px var(--font-mono);font-style:normal;color:var(--muted);margin-left:8px;min-width:24px;text-align:right}.quote{margin-top:10px;padding:10px 12px;border-radius:10px;background:var(--panel);font-size:13px;line-height:1.6;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px}.quote time{font:12px var(--font-mono);color:var(--faint)}.quote.none{background:transparent;border:1px dashed var(--border-strong);color:var(--muted)}.report-foot{padding:16px 24px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;background:var(--panel);font-size:13px}.report-foot .next{min-width:0}.report-foot .next small{color:var(--muted);display:block;font-size:12px}.inds{display:flex;flex-wrap:wrap;gap:8px;margin-top:36px}.inds span{height:36px;display:inline-flex;align-items:center;padding:0 14px;border-radius:999px;border:1px solid var(--border);background:var(--card);font-size:14px}.inds span.more{color:var(--muted);border-style:dashed}.tpl{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;align-items:end}.tpl-parts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden}.tpl-parts div{background:var(--card);padding:18px;min-width:0}.tpl-parts small{color:var(--muted);font-size:12px}.tpl-parts b{display:block;font-weight:600;margin-top:2px}.tpl-parts .src{grid-column:1 / -1;background:var(--panel)}.privacy-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:48px;border-top:1px solid var(--border)}.privacy-grid article{padding:24px 24px 0 0;min-width:0}.privacy-grid article+article{padding-left:24px;border-left:1px solid var(--border)}.privacy-grid h3{font-size:17px;margin-top:14px;letter-spacing:-.01em}.privacy-grid p{color:var(--muted);font-size:14px;margin-top:8px}.privacy-grid svg{width:22px;height:22px}.retention{margin-top:40px;display:flex;flex-wrap:wrap;gap:10px 28px;font-size:13px;color:var(--muted);padding:16px 20px;border-radius:var(--r-md);background:var(--panel)}.retention b{color:var(--fg);font-family:var(--font-mono);font-weight:500}.closing{background:var(--band);color:var(--band-fg)}.closing 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