.site-footer{border-top:1px solid var(--line);min-height:90px;color:var(--muted);font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;justify-content:space-between;align-items:center;font-size:9px;display:flex}.footer-links{align-items:center;gap:18px;display:flex}.footer-links a{color:var(--ink-soft)}@media (max-width:620px){.site-footer{flex-direction:column;justify-content:center;align-items:flex-start;gap:10px;min-height:120px}.footer-links a{align-items:center;min-height:44px;display:inline-flex}}.site-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;width:min(1180px,100% - 48px);height:82px;margin:0 auto;display:flex}.brand{align-items:center;gap:12px;display:inline-flex}.brand-mark{border:1px solid var(--line-strong);width:34px;height:34px;color:var(--accent);font-family:var(--font-mono);border-radius:50%;place-items:center;font-size:20px;display:grid;transform:rotate(-16deg)}.brand strong,.brand small{display:block}.brand strong{letter-spacing:.09em;text-transform:uppercase;font-size:12px}.brand small{color:var(--muted);font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;margin-top:4px;font-size:9px}.header-meta{color:var(--muted);font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;align-items:center;gap:20px;font-size:10px;display:flex}.header-index-link{color:var(--ink-soft);transition:color .18s}.header-index-link:hover,.language-switch:hover{color:var(--accent)}.language-switch{min-width:32px;color:var(--ink-soft);text-align:center;font-weight:700;transition:color .18s}.theme-status{border:1px solid var(--line);width:32px;min-height:30px;color:var(--muted);cursor:pointer;background:0 0;border-radius:999px;justify-content:center;align-items:center;padding:0;transition:color .18s,border-color .18s,background .18s;display:inline-flex}.theme-status:hover{border-color:var(--line-strong);background:var(--surface-soft);color:var(--ink)}.theme-icon{width:18px;height:18px;color:var(--accent);font-family:var(--font-mono);place-items:center;font-size:15px;line-height:1;display:grid}@media (max-width:620px){.site-header{width:min(100% - 32px,1180px);height:70px}.brand,.header-index-link,.language-switch,.theme-status{min-height:44px}.header-index-link,.language-switch{justify-content:center;align-items:center;display:inline-flex}.language-switch,.theme-status{width:44px;min-width:44px}.header-meta{gap:12px}.header-context{display:none}}._hero_cuvbn_1{grid-template-columns:minmax(0,1.08fr) minmax(420px,.92fr);align-items:center;gap:54px;min-height:650px;padding-top:64px;padding-bottom:88px;display:grid}._hero_cuvbn_1>*{min-width:0}._heroCopy_cuvbn_19{z-index:1;position:relative}._heroTitle_cuvbn_29{letter-spacing:-.065em;max-width:720px;margin:25px 0 24px;font-size:max(3.2rem,min(6vw,5.75rem));font-weight:700;line-height:.98}._heroTitle_cuvbn_29 span{display:block}._heroLead_cuvbn_55{max-width:585px;color:var(--muted);margin-bottom:34px;font-size:15px;line-height:1.9}._questionMap_cuvbn_71{isolation:isolate;min-height:470px;position:relative}._questionMap_cuvbn_71:before{z-index:-2;border:1px solid var(--line);content:"";border-radius:48% 52% 57% 43%/45% 49% 51% 55%;position:absolute;top:8%;bottom:8%;left:6%;right:6%;transform:rotate(7deg)}._questionMap_cuvbn_71:after{z-index:-1;background:radial-gradient(circle, color-mix(in srgb, var(--accent) 18%, transparent), transparent 68%);content:"";border-radius:50%;position:absolute;top:21%;bottom:21%;left:21%;right:21%}._mapLines_cuvbn_121{width:100%;height:calc(100% - 20px);position:absolute;top:20px;bottom:0;left:0;right:0;overflow:visible}._mapLines_cuvbn_121 path,._mapLines_cuvbn_121 circle,._mapLines_cuvbn_121 ellipse{fill:none;stroke:var(--line-strong);stroke-width:1px}._mapLines_cuvbn_121 path{stroke-dasharray:3 8}._mapLines_cuvbn_121 ellipse{stroke:color-mix(in srgb, var(--accent) 42%, var(--line))}._mapCore_cuvbn_169,._mapNode_cuvbn_171{border:1px solid var(--line-strong);background:color-mix(in srgb, var(--surface) 87%, transparent);box-shadow:var(--shadow-soft);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);position:absolute}._mapCore_cuvbn_169{text-align:center;border-radius:50%;flex-direction:column;justify-content:center;width:190px;min-height:126px;padding:24px;display:flex;top:50%;left:50%;transform:translate(-50%,-50%)}._mapCore_cuvbn_169 small,._mapNode_cuvbn_171 small,._topicState_cuvbn_219{color:var(--accent);font-family:var(--font-mono);letter-spacing:.09em;text-transform:uppercase;font-size:8px}._mapCore_cuvbn_169 strong{letter-spacing:-.035em;margin-top:10px;font-size:17px;line-height:1.35}._mapNode_cuvbn_171{border-radius:13px;min-width:128px;padding:13px 15px}._mapNode_cuvbn_171 span{color:var(--ink-soft);margin-top:5px;font-size:11px;display:block}._measureNode_cuvbn_275{top:9%;left:1%}._observeNode_cuvbn_285{top:12%;right:-1%}._modelNode_cuvbn_295{bottom:9%;left:-2%}._limitNode_cuvbn_305{bottom:8%;right:1%}._audienceSection_cuvbn_310{border-top:1px solid var(--line);padding:94px 0 108px}._audienceGrid_cuvbn_315{border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);grid-template-columns:repeat(3,minmax(0,1fr));margin-top:54px;display:grid}._audienceItem_cuvbn_323{min-width:0;padding:34px 30px 38px;position:relative}._audienceItem_cuvbn_323+._audienceItem_cuvbn_323{border-left:1px solid var(--line)}._audienceIndex_cuvbn_333,._audienceLabel_cuvbn_334{font-family:var(--font-mono);letter-spacing:.08em;font-size:9px}._audienceIndex_cuvbn_333{color:var(--muted);position:absolute;top:35px;right:30px}._audienceLabel_cuvbn_334{color:var(--accent);text-transform:uppercase;font-weight:600}._audienceItem_cuvbn_323 h3{letter-spacing:-.035em;max-width:310px;margin:34px 0 14px;font-size:max(1.3rem,min(2vw,1.7rem));line-height:1.25}._audienceItem_cuvbn_323 p{color:var(--muted);margin-bottom:0;font-size:13px;line-height:1.8}._topicsSection_cuvbn_368{border-top:1px solid var(--line);padding:94px 0 122px}._sectionHeading_cuvbn_375{grid-template-columns:minmax(0,1fr) minmax(280px,.65fr);align-items:end;gap:50px;display:grid}._sectionHeading_cuvbn_375 h2{letter-spacing:-.055em;margin:18px 0 0;font-size:max(2rem,min(3.8vw,3.5rem));font-weight:700;line-height:1}._sectionHeading_cuvbn_375>p{max-width:390px;color:var(--muted);margin-bottom:4px;font-size:14px;line-height:1.8}._topicList_cuvbn_421{gap:14px;margin-top:54px;display:grid}._topicCard_cuvbn_433{border:1px solid var(--line);border-radius:var(--radius-md);background:color-mix(in srgb, var(--surface) 76%, transparent);min-height:190px;box-shadow:var(--shadow-soft);grid-template-columns:120px minmax(0,1fr) auto;align-items:center;gap:34px;padding:30px 34px 30px 24px;transition:border-color .18s,transform .18s,box-shadow .18s;display:grid}._topicCard_cuvbn_433:hover{border-color:color-mix(in srgb, var(--accent) 45%, var(--line));box-shadow:var(--shadow);transform:translateY(-3px)}._topicMarker_cuvbn_473{border:1px solid var(--line-strong);width:96px;height:96px;color:var(--accent);font-family:var(--font-mono);border-radius:50%;place-items:center;font-size:34px;display:grid;position:relative}._topicMarker_cuvbn_473:before,._topicMarker_cuvbn_473:after,._topicMarker_cuvbn_473 i{content:"";border-radius:50%;position:absolute}._topicMarker_cuvbn_473:before{border:1px dashed color-mix(in srgb, var(--accent) 48%, transparent);top:13px;bottom:13px;left:13px;right:13px}._topicMarker_cuvbn_473:after{background:var(--accent-warm);width:8px;height:8px;top:12px;right:10px}._topicMarker_cuvbn_473 i{background:var(--accent-2);width:5px;height:5px;bottom:10px;left:16px}._topicCopy_cuvbn_557 h3{letter-spacing:-.05em;margin:10px 0;font-size:max(1.7rem,min(3vw,2.45rem))}._topicCopy_cuvbn_557 p{max-width:680px;color:var(--muted);margin-bottom:0;font-size:14px;line-height:1.8}._topicLink_cuvbn_585{border:1px solid var(--line-strong);min-height:46px;color:var(--ink-soft);border-radius:999px;align-items:center;gap:28px;padding:0 18px;font-size:12px;font-weight:700;transition:background .18s,border-color .18s,color .18s;display:inline-flex}._topicLink_cuvbn_585:hover{border-color:var(--ink);background:var(--ink);color:var(--bg)}._emptyState_cuvbn_625{border:1px dashed var(--line-strong);border-radius:var(--radius-md);margin-top:54px;padding:34px}._emptyState_cuvbn_625 p{color:var(--muted);margin-bottom:0}._resourcesSection_cuvbn_649{border-top:1px solid var(--line);padding:94px 0 116px}._resourceList_cuvbn_659{border-top:1px solid var(--line-strong);margin-top:54px}._resourceItem_cuvbn_669{border-bottom:1px solid var(--line);grid-template-columns:142px minmax(0,1fr) auto;align-items:start;gap:32px;padding:30px 18px 31px 4px;transition:background .18s,border-color .18s;display:grid}._resourceItem_cuvbn_669:hover{border-bottom-color:color-mix(in srgb, var(--accent) 38%, var(--line));background:linear-gradient(90deg, transparent, color-mix(in srgb, var(--accent-soft) 42%, transparent) 28%, transparent 92%)}._resourceType_cuvbn_699{color:var(--accent);font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;padding-top:7px;font-size:9px;font-weight:600;line-height:1.5}._resourceTitleLine_cuvbn_721{flex-wrap:wrap;align-items:baseline;gap:8px 14px;display:flex}._resourceTitleLine_cuvbn_721 h3{letter-spacing:-.035em;margin-bottom:0;font-size:max(1.25rem,min(2.2vw,1.65rem));line-height:1.25}._resourceTitleLine_cuvbn_721>span{color:var(--muted);font-size:11px}._resourceCopy_cuvbn_759 p{max-width:720px;color:var(--ink-soft);margin:12px 0;font-size:13px;line-height:1.75}._resourceCopy_cuvbn_759 small{color:var(--muted);font-family:var(--font-mono);letter-spacing:.025em;font-size:9px}._resourceLink_cuvbn_789{min-height:44px;color:var(--muted);white-space:nowrap;border:1px solid #0000;border-radius:999px;align-items:center;gap:18px;margin-top:2px;padding:0 12px;font-size:11px;font-weight:700;transition:border-color .18s,color .18s,background .18s;display:inline-flex}._resourceLink_cuvbn_789:hover{border-color:var(--line-strong);background:var(--surface);color:var(--ink)}@media (max-width:900px){._hero_cuvbn_1{grid-template-columns:1fr;gap:8px;padding-top:76px}._questionMap_cuvbn_71{width:min(100%,590px);min-height:420px;margin:0 auto}._topicCard_cuvbn_433{grid-template-columns:100px minmax(0,1fr)}._audienceGrid_cuvbn_315{grid-template-columns:1fr}._audienceItem_cuvbn_323+._audienceItem_cuvbn_323{border-top:1px solid var(--line);border-left:0}._topicLink_cuvbn_585{grid-column:2;width:fit-content}._resourceItem_cuvbn_669{grid-template-columns:116px minmax(0,1fr)}._resourceLink_cuvbn_789{grid-column:2;width:fit-content}}@media (max-width:620px){._hero_cuvbn_1{min-height:auto;padding-top:60px;padding-bottom:58px}._heroTitle_cuvbn_29{max-width:100%;font-size:max(2.4rem,min(12.4vw,4.4rem))}._questionMap_cuvbn_71{min-height:340px;margin-top:18px}._mapLines_cuvbn_121{height:100%;top:0;bottom:0;left:0;right:0}._mapCore_cuvbn_169{width:155px;min-height:108px;padding:18px}._mapCore_cuvbn_169 strong{font-size:14px}._mapNode_cuvbn_171{min-width:106px;padding:10px}._mapNode_cuvbn_171 span{font-size:9px}._topicsSection_cuvbn_368,._audienceSection_cuvbn_310{padding-top:68px;padding-bottom:78px}._audienceGrid_cuvbn_315{margin-top:38px}._audienceItem_cuvbn_323{padding:27px 4px 30px}._audienceIndex_cuvbn_333{top:28px;right:4px}._audienceItem_cuvbn_323 h3{margin-top:24px}._sectionHeading_cuvbn_375{grid-template-columns:1fr;gap:22px}._sectionHeading_cuvbn_375 h2{font-size:2.25rem}._topicCard_cuvbn_433{grid-template-columns:1fr;gap:22px;padding:24px}._topicMarker_cuvbn_473{width:72px;height:72px;font-size:27px}._topicLink_cuvbn_585{grid-column:1;justify-content:space-between;width:100%}._resourcesSection_cuvbn_649{padding-top:68px;padding-bottom:78px}._resourceList_cuvbn_659{margin-top:38px}._resourceItem_cuvbn_669{grid-template-columns:1fr;gap:12px;padding:25px 4px 26px}._resourceType_cuvbn_699{padding-top:0}._resourceCopy_cuvbn_759 p{font-size:12px}._resourceLink_cuvbn_789{border-color:var(--line);grid-column:1;justify-content:space-between;width:100%;margin-top:6px;padding:0 12px}}._notFound_jypgt_1{flex-direction:column;justify-content:center;align-items:flex-start;min-height:calc(100vh - 172px);padding-top:80px;padding-bottom:100px;display:flex}._notFound_jypgt_1 h1{letter-spacing:-.065em;max-width:760px;margin:24px 0 18px;font-size:max(3rem,min(6vw,5.5rem));line-height:.98}._notFound_jypgt_1 p{max-width:590px;color:var(--muted);margin-bottom:30px;font-size:15px;line-height:1.85}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-synthesis:none;text-rendering:optimizelegibility;--font-mono:"SF Mono", "Roboto Mono", "PingFang SC", monospace;--bg:#f4f6fa;--surface:#fff;--surface-soft:#edf1f7;--surface-muted:#e7ecf3;--ink:#101827;--ink-soft:#39475c;--muted:#728096;--line:#d9e0eb;--line-strong:#c5cfde;--accent:#4263eb;--accent-2:#7c4dff;--accent-warm:#f16b4f;--accent-soft:#e7ebff;--canvas:#111a2a;--canvas-grid:#26354b;--canvas-line:#4e6382;--canvas-text:#dbe8ff;--shadow:0 20px 60px #2332501a;--shadow-soft:0 10px 30px #2332500f;--radius-lg:28px;--radius-md:18px;--radius-sm:12px;font-family:Avenir Next,SF Pro Display,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}:root[data-theme=dark]{--lightningcss-light: 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transparent);outline-offset:4px}h1,h2,h3,p{margin-top:0}.app-shell{min-height:100vh;min-height:100dvh;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}.page-width{width:min(1180px,100% - 48px);margin:0 auto}.eyebrow{color:var(--accent);font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;align-items:center;gap:9px;font-size:10px;font-weight:500;display:inline-flex}.eyebrow:before{content:"";background:currentColor;width:22px;height:1px;display:inline-block}.button{cursor:pointer;border-radius:999px;justify-content:center;align-items:center;gap:10px;min-height:44px;padding:0 17px;font-size:12px;font-weight:700;transition:transform .18s,box-shadow .18s,background .18s,border-color .18s;display:inline-flex}.button:hover{transform:translateY(-2px)}.button-primary{background:var(--ink);color:var(--bg);box-shadow:0 10px 22px color-mix(in srgb, var(--ink) 15%, transparent)}.button-primary:hover{box-shadow:0 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