@font-face{font-family:PoxiaoPixel;src:url(/fonts/poxiao-pixel-latin.woff2)format("woff2");unicode-range:U+20-7E;font-weight:400;font-style:normal;font-display:block}@font-face{font-family:PoxiaoPixel;src:url(/fonts/poxiao-pixel-cjk.woff2)format("woff2");unicode-range:U+4E00-9FFF,U+3000-303F,U+FF00-FFEF;font-weight:400;font-style:normal;font-display:swap}:root{--color-bg:#fff;--color-surface:#fff;--color-surface-2:#f6f8fc;--color-surface-elevated:#fff;--admin-section-bg:#f7f8fa;--marketing-shell-bg:#f8f7f2;--icon-flat-filter:grayscale(1) brightness(.54) contrast(1.1);--landing-agent-icon-filter:grayscale(1) brightness(1.65) contrast(.62);--avatar-tone-0-bg:#dde7f7;--avatar-tone-0-fg:#1f73e0;--avatar-tone-1-bg:#f4d8c5;--avatar-tone-1-fg:#9b4f1b;--avatar-tone-2-bg:#dce3ed;--avatar-tone-2-fg:#40495a;--avatar-tone-3-bg:#e0e8d8;--avatar-tone-3-fg:#5a7536;--avatar-tone-4-bg:#f0dde4;--avatar-tone-4-fg:#9b3e5e;--avatar-tone-5-bg:#e6e1f0;--avatar-tone-5-fg:#5e4b8e;--color-paper-surface:#fff;--color-paper-surface-2:#f6f8fc;--color-paper-border:#1d243317;--color-paper-text:#1d2433;--color-paper-text-muted:#5f6878;--color-paper-button-disabled:#d9d6d2;--color-paper-focus-ring:#1f73e0;--color-paper-focus-ring-soft:#1f73e02e;--color-border:#1d243317;--color-border-accent:#1f73e029;--color-interactive-subtle:#1f73e00f;--color-interactive-subtle-hover:#1f73e01a;--color-accent-soft:#1f73e01f;--color-accent-soft-hover:#1f73e029;--color-accent-border:#1f73e0;--color-accent-text:#1f73e0;--color-accent-text-muted:#5f84e8;--color-accent:#1f73e0;--color-accent-dim:#1f73e00f;--color-accent-glow:#1f73e014;--specialist-consultant:#1f73e0;--specialist-consultant-dim:#1f73e01a;--specialist-market:#5f84e8;--specialist-strategy:#84a3ee;--specialist-content:#9bb3f4;--specialist-visual:#b7c8f8;--specialist-market-dim:#5f84e81a;--specialist-strategy-dim:#84a3ee1a;--specialist-content-dim:#9bb3f41a;--specialist-visual-dim:#b7c8f81a;--text-primary:#1d2433;--text-secondary:#40495a;--text-muted:#5f6878;--radius-xs:4px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--radius-full:100px;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.5rem;--space-6:2rem;--space-7:2.5rem;--space-8:3rem;--control-h-sm:36px;--control-h-md:44px;--control-h-lg:56px;--icon-btn-size-sm:24px;--icon-btn-size-md:28px;--dialog-width-sm:360px;--dialog-width-md:440px;--dialog-width-lg:520px;--transition-fast:.15s ease;--transition-normal:.25s ease;--transition-slow:.4s ease;--shadow-accent:#0f172a0d 0px 18px 50px;--shadow-card:#0f172a0d 0px 18px 50px;--shadow-hero-input:#0f172a0d 0px 18px 50px;--shadow-hero-input-focus:#1f73e01f 0px 0px 0px 3px, #0f172a08 0px 6px 18px;--shadow-specialist-pill-hover:#0f172a0d 0px 14px 30px;--shadow-specialist-avatar:#0f172a0d 0px 14px 30px;--shadow-feed-bubble:0 1px 6px #0000000a;--font-step-0:2.25rem;--font-step-1:1.75rem;--font-step-2:1.4rem;--font-step-3:1.3rem;--font-step-4:1.25rem;--font-step-5:1.05rem;--font-step-6:1rem;--font-step-7:.9375rem;--font-step-8:.875rem;--font-step-9:.8125rem;--font-step-10:.75rem;--font-step-11:.6875rem;--font-step-12:.625rem;--font-size-icon-xl:2.5rem;--font-size-icon-lg:1.375rem;--font-size-hero:var(--font-step-0);--font-size-title:var(--font-step-1);--font-size-heading:var(--font-step-2);--font-size-subheading:var(--font-step-3);--font-size-brand:var(--font-step-4);--font-size-prose-h3:var(--font-step-5);--font-size-body-lg:var(--font-step-6);--font-size-md:var(--font-step-7);--font-size-body:var(--font-step-8);--font-size-caption:var(--font-step-9);--font-size-sm:var(--font-step-10);--font-size-xs:var(--font-step-11);--font-size-2xs:var(--font-step-12);--font-size-doc-h1:var(--font-size-subheading);--web-hero-title-size:clamp(1.55rem, 3.3vw, 2.35rem);--web-hero-title-mobile-size:clamp(1.38rem, 7.4vw, 1.95rem);--web-hero-title-weight:var(--font-weight-normal);--web-hero-title-line-height:.98;--web-hero-title-letter-spacing:0;--web-hero-subtitle-size:var(--font-size-body-lg);--web-hero-subtitle-mobile-size:.95rem;--web-hero-subtitle-weight:var(--font-weight-normal);--web-hero-subtitle-line-height:1.6;--web-section-title-size:clamp(20px, 2.6vw, 32px);--web-section-title-mobile-size:clamp(18px, 6.8vw, 28px);--web-section-title-weight:var(--font-weight-normal);--web-section-title-line-height:1.08;--web-section-title-letter-spacing:0;--web-card-title-size:var(--font-size-brand);--web-card-title-weight:var(--font-weight-normal);--web-card-title-line-height:1.15;--web-card-meta-size:var(--font-size-caption);--web-card-meta-weight:var(--font-weight-medium);--web-card-meta-line-height:1.55;--web-body-size:var(--font-size-body);--web-body-line-height:1.7;--web-body-muted-size:var(--font-size-caption);--web-body-muted-line-height:1.6;--web-label-size:var(--font-size-xs);--web-label-weight:var(--font-weight-medium);--web-label-letter-spacing:.08em;--web-button-size:var(--font-size-body);--web-button-weight:var(--font-weight-medium);--web-button-line-height:1;--font-weight-light:300;--font-weight-normal:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:600;--color-error:#1f73e0;--color-error-bg-subtle:#1f73e00d;--color-error-border:#1f73e026;--color-error-bg-medium:#1f73e014;--color-error-soft:#1f73e01f;--color-control-disabled:#d2dceb;--color-on-inverse:#fff;--color-inverse-fill:#1f73e0;--color-inverse-fill-hover:#155bc0;--submit-btn-bg:#0a0a0a;--submit-btn-bg-hover:#262626;--submit-btn-bg-active:#000;--submit-btn-bg-disabled:#e4e4e7;--submit-btn-fg:#fff;--submit-btn-fg-disabled:#a1a1aa;--color-spinner-ring-on-inverse:#ffffff4d;--color-toast-bg:#1d2433f0;--color-toast-text:#fff;--color-toast-border:#ffffff14;--color-toast-border-error:#1f73e052;--color-toast-border-success:#ffffff29;--overlay-scrim:#1d24331f;--overlay-modal:#1d24335c;--overlay-dialog:#1d243347;--color-border-hover:#1f73e029;--color-link:#1f73e0;--color-link-hover:#155bc0;--color-focus-ring:#1f73e0;--color-focus-ring-soft:#1f73e026;--color-avatar-shell:#fff;--color-avatar-shell-border:#1d243314;--workspace-panel-bg:#fff;--workspace-panel-border:#1d243317;--workspace-panel-shadow:#0f172a0d 0px 18px 50px;--workspace-toolbar-bg:#ffffffeb;--workspace-toolbar-border:#1d243314;--workspace-avatar-bg:#f4f7fc;--workspace-avatar-border:#1d243317;--workspace-avatar-label:#1d2433;--workspace-avatar-subtext:#5f6878;--workspace-tooltip-bg:#1d2433;--workspace-tooltip-text:#fff;--workspace-warning-bg:#1f73e014;--workspace-warning-border:#1f73e02e;--workspace-warning-text:#1f73e0;--workspace-chip-bg:#fff;--workspace-chip-bg-hover:#f4f7fc;--workspace-chip-border:#1d243317;--workspace-chip-border-hover:#1f73e029;--workspace-chip-text:#5f6878;--workspace-chip-text-muted:#a0a7b5;--workspace-success-soft:#1f73e014;--workspace-success-text:#1f73e0;--workspace-neutral-soft:#f4f7fc;--workspace-neutral-text:#5f6878;--workspace-danger-soft:#1f73e014;--workspace-danger-text:#1f73e0;--color-landing-page-fallback:#fff;--gradient-landing-page:linear-gradient(180deg, #fff 0%, #fbfcff 100%);--color-user-message-bubble:#1f73e00f;--color-user-message-text:#1d2433;--hero-glow-neutral:none;--hero-glow-accent:none;--skeleton-shimmer-low:#0000000f;--skeleton-shimmer-mid:#0000001a;--color-btn-primary-start:#1f73e0;--color-btn-primary-end:#155bc0;--gradient-btn-primary:linear-gradient(135deg, #1f73e0, #155bc0);--nav-bg:#fff;--nav-link-hover-bg:#f6f8fc;--app-nav-padding-y:18px;--app-nav-padding-x:40px;--app-nav-z:100;--app-nav-min-height:72px;--app-nav-brand-row-min-height:40px;--brand-logo-font-size:1.5rem;--brand-logo-font-weight:600;--brand-logo-line-height:1.25;--workspace-split-row-height:calc(100vh - var(--app-nav-min-height));--workspace-chat-content-max-width:760px;--workspace-chat-bubble-max-width:800px;--workspace-user-bubble-max-width:560px;--workspace-bottom-sticky-padding-top:12px;--workspace-bottom-sticky-padding-bottom:24px;--workspace-bottom-bar-gutter-x:56px;--workspace-outline-dock-bottom-inset:100px;--font-sans:Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;--font-human:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;--font-serif:var(--font-human);--font-brand:"PoxiaoPixel", var(--font-sans);--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--workspace-chat-body-font-size:var(--font-size-body);--workspace-chat-body-line-height:1.72;--workspace-chat-meta-font-size:var(--font-size-caption);--workspace-chat-meta-line-height:1.58;--workspace-chat-title-font-size:var(--font-size-body);--workspace-chat-heading-font-size:var(--font-size-md);--workspace-sidebar-item-font-size:var(--font-size-body);--workspace-sidebar-item-line-height:1.5;--workspace-sidebar-section-font-size:var(--font-size-sm);--workspace-sidebar-section-line-height:1.35;--workspace-sidebar-meta-font-size:var(--font-size-caption);--workspace-sidebar-meta-line-height:1.45;--workspace-deliverable-body-font-size:var(--font-size-body-lg);--workspace-deliverable-body-line-height:1.75;--workspace-deliverable-title-font-size:var(--font-size-heading);--workspace-deliverable-subtitle-font-size:var(--font-size-md);--workspace-deliverable-meta-font-size:var(--font-size-caption);--workspace-deliverable-h1-font-size:20px;--workspace-deliverable-h2-font-size:18px;--workspace-deliverable-h3-font-size:16px;--workspace-deliverable-h4-font-size:14px;--workspace-body-font-size:var(--workspace-deliverable-body-font-size);--workspace-body-line-height:var(--workspace-deliverable-body-line-height);--prose-doc-body:#40495a;--prose-doc-heading:#1d2433;--prose-doc-muted:#5f6878;--prose-doc-accent:#1f73e0;--prose-body-size:var(--workspace-body-font-size);--prose-body-line-height:var(--workspace-body-line-height);--prose-body-color:var(--prose-doc-body);--prose-heading-color:var(--prose-doc-heading);--prose-h1-size:var(--workspace-deliverable-h1-font-size);--prose-h1-weight:var(--font-weight-semibold);--prose-h1-margin:0 0 var(--space-3);--prose-h1-letter-spacing:-.01em;--prose-h2-size:var(--workspace-deliverable-h2-font-size);--prose-h2-weight:var(--font-weight-semibold);--prose-h2-margin:var(--space-6) 0 var(--space-2);--prose-h2-border:none;--prose-h3-size:var(--workspace-deliverable-h3-font-size);--prose-h3-weight:var(--font-weight-semibold);--prose-h3-margin:var(--space-4) 0 var(--space-1);--prose-h4-size:var(--workspace-deliverable-h4-font-size);--prose-h4-weight:var(--font-weight-semibold);--prose-h4-margin:var(--space-3) 0 var(--space-1);--prose-h4-color:var(--prose-doc-muted);--prose-h4-letter-spacing:.06em;--prose-h5-size:13px;--prose-h5-weight:var(--font-weight-semibold);--prose-h5-margin:var(--space-3) 0 var(--space-1);--prose-h5-color:var(--prose-doc-muted);--prose-h6-size:var(--workspace-deliverable-h4-font-size);--prose-h6-weight:var(--font-weight-semibold);--prose-h6-margin:var(--space-3) 0 var(--space-1);--prose-h6-color:var(--prose-doc-muted);--prose-strong-weight:var(--font-weight-semibold);--prose-paragraph-gap:14px;--prose-list-indent:1.5rem;--prose-list-margin:var(--space-2) 0;--prose-li-gap:6px;--prose-blockquote-border:#1f73e02e;--prose-blockquote-color:#5f6878;--prose-hr-margin:40px 0;--prose-table-cell-padding-y:10px;--prose-table-cell-padding-x:14px;--prose-table-cell-size:var(--font-size-body);--prose-table-head-size:var(--workspace-deliverable-meta-font-size);--prose-code-size:.9em;--prose-pre-padding:var(--space-4);--prose-figure-margin:var(--space-4) 0;--prose-media-radius:var(--radius-sm);--prose-media-border:1px solid var(--color-border);--prose-media-shadow:var(--shadow-card);--prose-figcaption-size:var(--workspace-deliverable-meta-font-size);--prose-figcaption-color:var(--text-muted);--prose-chart-min-height:400px;--prose-chart-padding:var(--space-3);--prose-chart-margin:var(--space-5) 0;--prose-link-color:var(--color-link);--prose-link-hover:var(--color-link-hover);--color-landing-specialist-card-text:var(--color-paper-text-muted);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;accent-color:var(--color-focus-ring)}[data-theme=dark]{--color-bg:#09090b;--color-surface:#18181b;--color-surface-2:#18181b;--color-surface-elevated:#18181b;--admin-section-bg:#fafafa09;--marketing-shell-bg:#09090b;--icon-flat-filter:grayscale(1) brightness(.54) contrast(1.1) invert(1);--landing-agent-icon-filter:brightness(0) invert(1);--avatar-tone-0-bg:#1f2d44;--avatar-tone-0-fg:#84a3ee;--avatar-tone-1-bg:#3a2418;--avatar-tone-1-fg:#efb393;--avatar-tone-2-bg:#27272a;--avatar-tone-2-fg:#d4d4d8;--avatar-tone-3-bg:#23311e;--avatar-tone-3-fg:#a3c178;--avatar-tone-4-bg:#3a1f29;--avatar-tone-4-fg:#d99cb4;--avatar-tone-5-bg:#2a2236;--avatar-tone-5-fg:#b8a7d9;--color-paper-surface:#f7f3ec;--color-paper-surface-2:#efe8de;--color-paper-border:#16151524;--color-paper-text:#161515;--color-paper-text-muted:#7f756b;--color-paper-button-disabled:#d5cec4;--color-paper-focus-ring:#161515;--color-paper-focus-ring-soft:#16151514;--color-border:#27272a;--color-border-accent:#3f3f46;--color-interactive-subtle:#27272a;--color-interactive-subtle-hover:#3f3f46;--color-accent-soft:#ffffff14;--color-accent-soft-hover:#ffffff24;--color-accent-border:#fafafa;--color-accent-text:#e4e4e7;--color-accent-text-muted:#d4d4d8;--color-accent:#fafafa;--color-accent-dim:#ffffff0f;--color-accent-glow:#ffffff1a;--text-primary:#e4e4e7;--text-secondary:#a1a1aa;--text-muted:#71717a;--color-control-disabled:#3f3f46;--color-inverse-fill:#e4e4e7;--color-inverse-fill-hover:#f4f4f5;--color-on-inverse:#09090b;--submit-btn-bg:#0a0a0a;--submit-btn-bg-hover:#262626;--submit-btn-bg-active:#000;--submit-btn-bg-disabled:#e4e4e7;--submit-btn-fg:#fff;--submit-btn-fg-disabled:#a1a1aa;--shadow-card:#00000070 0px 10px 32px;--shadow-hero-input:#0006 0px 10px 32px;--shadow-hero-input-focus:0 10px 32px #0000007a, 0 0 0 3px #ffffff2e;--overlay-scrim:#0000007a;--overlay-modal:#0000009e;--overlay-dialog:#00000080;--color-link:#e4e4e7;--color-link-hover:#f4f4f5;--color-focus-ring:#e4e4e7;--color-focus-ring-soft:#ffffff38;--color-avatar-shell:#18181b;--color-avatar-shell-border:#27272a;--workspace-panel-bg:#18181b;--workspace-panel-border:#27272a;--workspace-panel-shadow:0 12px 32px #0000005c;--workspace-toolbar-bg:#09090bdb;--workspace-toolbar-border:#ffffff0f;--workspace-avatar-bg:#27272a;--workspace-avatar-border:#3f3f46;--workspace-avatar-label:#e4e4e7;--workspace-avatar-subtext:#71717a;--workspace-tooltip-bg:#27272a;--workspace-tooltip-text:#e4e4e7;--workspace-warning-bg:#d2992224;--workspace-warning-border:#e3b34147;--workspace-warning-text:#f0d68c;--workspace-chip-bg:#18181b;--workspace-chip-bg-hover:#27272a;--workspace-chip-border:#27272a;--workspace-chip-border-hover:#3f3f46;--workspace-chip-text:#a1a1aa;--workspace-chip-text-muted:#71717a;--workspace-success-soft:#3fb9502e;--workspace-success-text:#88d195;--workspace-neutral-soft:#18181b;--workspace-neutral-text:#a1a1aa;--workspace-danger-soft:#f851492e;--workspace-danger-text:#ff9a93;--color-landing-page-fallback:#09090b;--gradient-landing-page:#09090b;--color-user-message-bubble:#27272a;--color-user-message-text:#e4e4e7;--hero-glow-neutral:none;--hero-glow-accent:none;--color-toast-bg:#18181bf0;--color-toast-text:#e4e4e7;--color-btn-primary-start:#fafafa;--color-btn-primary-end:#fafafa;--gradient-btn-primary:#fafafa;--nav-bg:#09090b;--nav-link-hover-bg:#27272a;--prose-doc-body:#a1a1aa;--prose-doc-heading:#e4e4e7;--prose-doc-muted:#71717a;--prose-blockquote-border:#27272a;--prose-blockquote-color:#a1a1aa;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;accent-color:var(--color-focus-ring)}[data-theme=dark] .btn-ghost:hover{background:var(--color-interactive-subtle-hover)}@media (max-width:768px){:root{--app-nav-padding-y:16px;--app-nav-padding-x:20px;--app-nav-min-height:68px;--web-hero-title-line-height:1.08;--web-section-title-line-height:1.16}}@supports (height:100dvh){:root{--workspace-split-row-height:calc(100dvh - var(--app-nav-min-height))}}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-family:var(--font-sans);overflow-x:clip}body{letter-spacing:0;background-color:var(--color-bg);color:var(--text-primary);font-family:var(--font-sans);font-weight:var(--font-weight-normal);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;line-height:1.6;overflow-x:clip}a{color:inherit;text-decoration:none}button{cursor:pointer;background:0 0;border:none;font-family:inherit}input,textarea{font-family:inherit}input:focus-visible,textarea:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px}[data-paper-input] textarea:focus-visible{outline:none}button:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px}a:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:3px;border-radius:2px}html{scrollbar-width:thin;scrollbar-color:#00000038 transparent}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#00000038;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#00000059}[data-theme=dark] html{scrollbar-color:#ffffff47 transparent}[data-theme=dark] ::-webkit-scrollbar-thumb{background:#ffffff47}.hide-scrollbar::-webkit-scrollbar{display:none}.btn-primary{background:var(--color-btn-primary-start);color:var(--color-on-inverse);transition:all var(--transition-normal);box-shadow:none;border:none;border-radius:4px;justify-content:center;align-items:center;gap:8px;padding:8px 16px;font-size:15px;font-weight:600;display:inline-flex}.btn-primary:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px}.btn-primary:hover{background:var(--color-inverse-fill-hover)}.btn-primary:active{background:var(--color-inverse-fill-hover);box-shadow:inset 0 0 0 1px #0000001f}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{color:var(--text-secondary);border:1px solid var(--color-border);background:var(--color-surface);transition:all var(--transition-fast);box-shadow:none;border-radius:9999px;align-items:center;gap:8px;padding:8px 16px;font-size:15px;font-weight:600;display:inline-flex}.btn-ghost:hover{background:var(--color-surface-2);text-decoration:none}.btn-ghost:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px}.markdown-body{font-size:var(--prose-body-size);line-height:var(--prose-body-line-height);color:var(--prose-body-color);text-align:left}.markdown-body h1{font-size:var(--prose-h1-size);font-weight:var(--prose-h1-weight);margin:var(--prose-h1-margin);color:var(--prose-heading-color);letter-spacing:var(--prose-h1-letter-spacing);line-height:1.35}.markdown-body h2{font-size:var(--prose-h2-size);font-weight:var(--prose-h2-weight);margin:var(--prose-h2-margin);color:var(--prose-heading-color);border-bottom:var(--prose-h2-border);padding-bottom:0;line-height:1.4}.markdown-body h3{font-size:var(--prose-h3-size);font-weight:var(--prose-h3-weight);margin:var(--prose-h3-margin);color:var(--prose-heading-color);line-height:1.45}.markdown-body 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