@font-face{font-family:DM Sans;src:url(/fonts/DMSans-Regular.woff2) format("woff2");font-weight:400;font-display:swap}@font-face{font-family:DM Sans;src:url(/fonts/DMSans-Medium.woff2) format("woff2");font-weight:500;font-display:swap}@font-face{font-family:DM Sans;src:url(/fonts/DMSans-Bold.woff2) format("woff2");font-weight:700;font-display:swap}:root{--brand-primary: #141414;--brand-hover: #000000;--brand-subtle: #f3f3f3;--brand-muted: #a3a3a3;--background: #fafafa;--surface: #ffffff;--surface-raised: #f0f0f0;--border-subtle: #e5e5e5;--border-mid: #d4d4d4;--border-strong: #a3a3a3;--text-primary: #0a0a0a;--text-secondary: #525252;--text-tertiary: #a3a3a3;--success: #22c55e;--success-subtle: rgba(34, 197, 94, .08);--rpe-3: #84cc16;--rpe-5: #eab308;--rpe-6: #f59e0b;--rpe-7: #f97316;--rpe-8: #fb923c;--rpe-9: #ef4444;--font-display: "Satoshi", "DM Sans", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;--font-body: "DM Sans", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;--font-data: "Geist", "DM Sans", -apple-system, monospace, sans-serif;--shadow-subtle: 0 1px 2px rgba(0, 0, 0, .05);--shadow-medium: 0 4px 6px rgba(0, 0, 0, .07);--shadow-heavy: 0 10px 15px rgba(0, 0, 0, .1)}*{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);font-size:14px;line-height:1.6;color:var(--text-primary);background:var(--background)}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;background:none}.page{min-height:100vh;display:flex;flex-direction:column}.nav{max-width:1200px;width:100%;margin:0 auto;padding:24px 32px;display:flex;align-items:center;justify-content:space-between}.nav-logo{font-family:var(--font-display);font-weight:900;font-size:20px;letter-spacing:-.02em;color:var(--text-primary)}.nav-actions{display:flex;align-items:center;gap:16px}.nav-lang{font-family:var(--font-data);font-size:12px;font-weight:500;letter-spacing:.04em;padding:4px 10px;border:1px solid var(--border-mid);border-radius:9999px;color:var(--text-secondary);background:var(--surface);transition:background-color .1s ease-out,color .1s ease-out}.nav-lang:hover{background:var(--brand-subtle);color:var(--text-primary)}.nav-link{font-size:14px;font-weight:500;color:var(--text-secondary);transition:color .1s ease-out}.nav-link:hover{color:var(--text-primary)}.hero{max-width:720px;margin:0 auto;padding:64px 32px 48px;text-align:center}.hero-title{font-family:var(--font-display);font-weight:900;font-size:clamp(32px,6vw,52px);line-height:1.1;letter-spacing:-.02em;color:var(--text-primary)}.hero-subtitle{margin-top:24px;font-size:16px;line-height:1.7;color:var(--text-secondary)}.hero-ctas{margin-top:32px;display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.cta{display:inline-flex;align-items:center;height:44px;padding:0 24px;border-radius:8px;font-size:15px;font-weight:500;transition:background-color .15s ease-out,color .15s ease-out}.cta-primary{background:var(--brand-primary);color:#fff}.cta-primary:hover{background:var(--brand-hover)}.cta-secondary{border:1px solid var(--border-mid);color:var(--text-primary);background:var(--surface)}.cta-secondary:hover{background:var(--brand-subtle)}.cta-disabled{color:var(--text-tertiary);cursor:default}.cta-disabled:hover{background:var(--surface)}.hero-caption{margin-top:16px;font-family:var(--font-data);font-size:12px;font-weight:500;letter-spacing:.04em;color:var(--text-tertiary)}.demo-section{max-width:960px;width:100%;margin:0 auto;padding:0 32px 64px}.demo-window{background:var(--surface);border:1px solid var(--border-subtle);border-radius:12px;box-shadow:var(--shadow-heavy);overflow:hidden}.demo-chrome{display:flex;align-items:center;gap:6px;height:36px;padding:0 16px;border-bottom:1px solid var(--border-subtle);background:var(--surface-raised)}.demo-dot{width:10px;height:10px;border-radius:9999px;background:var(--border-mid)}.demo-chrome-title{margin-left:8px;font-size:12px;font-weight:500;color:var(--text-tertiary)}.demo-body{display:grid;grid-template-columns:1.2fr 1fr;min-height:380px}.plan-panel{padding:16px;border-right:1px solid var(--border-subtle);display:flex;flex-direction:column;gap:12px}.plan-header{display:flex;align-items:center;justify-content:space-between}.plan-title{font-family:var(--font-display);font-weight:700;font-size:15px;color:var(--text-primary)}.plan-badge{font-family:var(--font-data);font-size:10px;font-weight:500;letter-spacing:.04em;padding:2px 8px;border-radius:4px;background:var(--brand-subtle);color:var(--text-secondary)}.plan-weekstrip{display:flex;gap:4px}.weekday{flex:1;text-align:center;font-size:11px;font-weight:500;padding:4px 0;border-radius:4px;color:var(--text-tertiary)}.weekday-active{background:var(--brand-primary);color:#fff}.plan-cards{display:flex;flex-direction:column;gap:8px}.plan-card{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border:1px solid var(--border-subtle);border-radius:8px}.plan-card-main{display:flex;flex-direction:column;gap:2px;min-width:0}.plan-card-name{font-size:14px;font-weight:600;color:var(--text-primary);white-space:nowrap}.plan-card-detail{font-family:var(--font-data);font-size:13px;font-weight:500;color:var(--text-secondary);white-space:nowrap}.plan-card-rpe{display:flex;align-items:center;gap:6px;flex-shrink:0}.rpe-dot{width:8px;height:8px;border-radius:9999px;display:inline-block}.rpe-label{font-family:var(--font-data);font-size:11px;font-weight:500;color:var(--text-secondary)}.plan-updated-note{margin-top:auto;font-size:12px;font-weight:500;color:var(--success)}.chat-panel{display:flex;flex-direction:column;background:var(--background)}.chat-header{display:flex;align-items:baseline;gap:8px;padding:12px 16px;border-bottom:1px solid var(--border-subtle)}.chat-title{font-family:var(--font-display);font-weight:700;font-size:14px;color:var(--text-primary)}.chat-scope{font-size:11px;color:var(--text-tertiary)}.chat-messages{flex:1;display:flex;flex-direction:column;gap:8px;padding:16px;overflow:hidden}.chat-bubble{max-width:90%;padding:8px 12px;border-radius:12px;font-size:13px;line-height:1.6}.chat-bubble-user{align-self:flex-end;background:var(--brand-primary);color:#fff}.chat-bubble-assistant{align-self:flex-start;background:var(--surface);border:1px solid var(--border-subtle);color:var(--text-primary)}.chat-toolcard{align-self:flex-start;display:flex;align-items:center;gap:6px;padding:6px 10px;border-radius:8px;border:1px solid var(--border-subtle);background:var(--success-subtle);font-family:var(--font-data);font-size:12px;font-weight:500;color:var(--text-secondary)}.chat-toolcard-check{color:var(--success);font-weight:700}.chat-caret{display:inline-block;width:2px;height:1em;margin-left:1px;vertical-align:text-bottom;background:currentColor;animation:caret-blink .9s steps(1) infinite}@keyframes caret-blink{50%{opacity:0}}.chat-composer{display:flex;align-items:center;gap:8px;padding:12px 16px;border-top:1px solid var(--border-subtle)}.chat-input{flex:1;min-height:32px;display:flex;align-items:center;padding:4px 12px;border:1px solid var(--border-mid);border-radius:8px;background:var(--surface);font-size:13px;color:var(--text-primary);overflow:hidden}.chat-input-placeholder{color:var(--text-tertiary)}.chat-send{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;background:var(--surface-raised);color:var(--text-tertiary);font-size:14px;flex-shrink:0;transition:background-color .15s ease-out,color .15s ease-out}.chat-send-ready{background:var(--brand-primary);color:#fff}.features{max-width:960px;width:100%;margin:0 auto;padding:0 32px 64px;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.feature{padding:24px;border:1px solid var(--border-subtle);border-radius:12px;background:var(--surface)}.feature-title{font-family:var(--font-display);font-weight:700;font-size:18px;line-height:1.3;color:var(--text-primary)}.feature-body{margin-top:8px;font-size:14px;line-height:1.6;color:var(--text-secondary)}.footer{margin-top:auto;max-width:1200px;width:100%;margin-left:auto;margin-right:auto;padding:24px 32px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border-subtle);font-size:12px;color:var(--text-tertiary)}.footer-link{color:var(--text-secondary)}.footer-link:hover{color:var(--text-primary)}@media(max-width:800px){.demo-body{grid-template-columns:1fr}.plan-panel{border-right:none;border-bottom:1px solid var(--border-subtle)}.chat-messages{min-height:180px}.features{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){.chat-caret{animation:none}}