@font-face{font-family:Geist;font-weight:400;font-style:normal;font-display:swap;src:url(/s/fonts/geist-400.b7e40f6547.woff2) format("woff2")}@font-face{font-family:Geist;font-weight:600;font-style:normal;font-display:swap;src:url(/s/fonts/geist-600.4d7b7e334c.woff2) format("woff2")}:root{color-scheme:light;--bg: #f6f8fb;--card: #ffffff;--raised: #eef2f7;--text: #101a28;--muted: #4a586b;--faint: #5f6c81;--border: #e3e8f0;--border-strong: #cbd3df;--accent: #0a66e0;--accent-press: #0852b8;--on-accent: #ffffff;--accent-ink: #0a66e0;--accent-50: #eef5ff;--accent-100: #dceaff;--sel: #0a66e0;--used: #bcc6d4;--stage: #dfe5ee;--c-yes: #0b7a53;--c-part: #5b45c9;--c-no: #c22d2d;--c-plan: #0a66e0;--c-review: #8a5200;--soft-yes: #e5f4ee;--soft-no: #fceaea;--soft-review: #fff4dc;--font: "Geist", system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;--font-cjk: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Apple 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#2c2210}}:root[data-theme=dark]{color-scheme:dark;--bg: #0b1119;--card: #111a26;--raised: #182334;--text: #e8eef7;--muted: #a3b0c3;--faint: #8f9cb1;--border: rgba(255, 255, 255, .08);--border-strong: rgba(255, 255, 255, .18);--accent-ink: #6aa7ff;--accent-50: #12233b;--accent-100: #1b3358;--sel: #6aa7ff;--used: #4a586b;--stage: #1b2635;--c-yes: #3fcb9a;--c-part: #a99bff;--c-no: #ff8d8d;--c-plan: #6aa7ff;--c-review: #f0b050;--soft-yes: #0f2a22;--soft-no: #301618;--soft-review: #2c2210}:lang(zh),:lang(ko),:lang(hi),:lang(ar){--font: var(--font-cjk);--track-h: 0;--lh-h1: 1.28;--lh-h2: 1.3;--lh-body: 1.75}:lang(vi){--lh-h1: 1.1;--lh-h2: 1.16;--lh-body: 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.theme-moon{display:none}}:root[data-theme=dark] .theme-sun{display:inline-flex}:root[data-theme=dark] .theme-moon{display:none}:root[data-theme=light] .theme-sun{display:none}:root[data-theme=light] .theme-moon{display:inline-flex}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:12px 26px;border-radius:14px;border:1px solid transparent;font-weight:600;font-size:1rem;line-height:1.25;text-decoration:none;text-align:center;transition:background-color .16s ease,transform .1s ease}.btn:active{transform:translateY(1px)}.btn-solid{background:var(--accent);color:var(--on-accent)}.btn-solid:hover{background:var(--accent-press)}.btn-quiet{border-color:var(--border-strong);background:transparent;color:var(--text)}.btn-quiet:hover{background:var(--raised)}.btn-sm{min-height:44px;padding:8px 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1.4vw,2rem);line-height:1.18;letter-spacing:-.02em;font-weight:600;text-wrap:balance}.h4{display:flex;align-items:center;gap:10px;font-size:1.125rem;line-height:1.3;font-weight:600;letter-spacing:-.01em}.h4 .ic{color:var(--muted)}.prose{font-size:1.125rem;line-height:var(--lh-body);color:var(--muted);max-width:56ch;text-wrap:pretty}.prose-sm{font-size:1rem;line-height:1.6;color:var(--muted);text-wrap:pretty}.lead{font-size:clamp(1.1875rem,1rem + .7vw,1.4375rem);line-height:1.5;color:var(--muted);max-width:40ch;text-wrap:pretty}.fine{font-size:.9375rem;color:var(--faint)}.sec{padding-block:clamp(64px,9.5vw,120px);border-top:1px dotted var(--border-strong)}.hero{padding-block:clamp(36px,7vw,96px) clamp(56px,8vw,120px)}.hero-in{display:grid;gap:48px}.eyebrow{margin-bottom:20px;color:var(--muted);font-size:.9375rem;font-weight:600}.hero h1{font-size:clamp(2.75rem,1.1rem + 6.4vw,4.5rem);line-height:var(--lh-h1);letter-spacing:-.04em;font-weight:600;text-wrap:balance}:lang(zh) .hero h1,:lang(ko) .hero h1,:lang(hi) .hero h1,:lang(ar) .hero h1{letter-spacing:0;font-size:clamp(2.5rem,1.2rem + 6vw,4.75rem)}.hero h1 em{font-style:normal;text-decoration:underline;text-decoration-color:var(--accent-ink);text-decoration-thickness:.09em;text-underline-offset:.14em;text-decoration-skip-ink:none}.hero .lead{margin-top:28px}.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}.hero .fine{margin-top:20px;max-width:46ch}.hero-art{display:flex;flex-direction:column;padding:14px;border:1px solid var(--border);border-radius:28px;background:var(--raised);overflow:hidden}.art-top{position:relative;aspect-ratio:420 / 262}.arch{position:absolute;inset:0;width:100%;height:100%}.arch-tooth{fill:var(--card);fill-opacity:.7;stroke:var(--border-strong);stroke-width:1}.arch-year{fill:none;stroke:var(--accent);stroke-width:1.8;stroke-linecap:round;opacity:.85}.arch-dot{fill:var(--accent)}[dir=rtl] .arch{transform:scaleX(-1)}.mascot-stage{position:absolute;inset-inline:0;top:4%;display:flex;justify-content:center;pointer-events:none}.mascot-stage picture{width:48%}.mascot-hero{width:100%;height:auto}.est{position:relative;margin-top:-8%;padding:16px 18px 14px;background:var(--card);border:1px solid var(--border-strong);border-radius:18px}.est-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}.est-title{font-weight:600;font-size:1rem}.est-rows{display:grid;gap:6px}.est-row{display:flex;justify-content:space-between;gap:12px;align-items:baseline;font-size:.9375rem}.est-row dt{color:var(--muted)}.est-row dd{font-weight:600;font-size:1.125rem}.est-gap{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:.875rem;font-weight:600;color:var(--c-no)}.est-note{margin-top:6px;font-size:.8125rem;color:var(--faint)}.bar{display:block;height:8px;border-radius:99px;background:var(--border);overflow:hidden}.bar-fill{display:block;height:100%;border-radius:99px}.bar-ink{background:var(--accent)}.bar-gray{background:var(--faint)}.problem-grid{display:grid;gap:28px;margin-top:48px}.plan-says{padding:28px;background:var(--card);border:1px solid var(--border);border-radius:var(--r-card)}.plan-says figcaption,.ask-label{margin-bottom:14px;color:var(--faint);font-size:.875rem;font-weight:600}.plan-says blockquote{font-size:1.1875rem;line-height:1.75;color:var(--muted)}.jargon{color:var(--text);background:var(--raised);padding:1px 6px;border-radius:6px;text-decoration:underline dotted var(--faint);text-underline-offset:.25em}.you-ask{position:relative;display:flex;flex-direction:column;justify-content:center}.bubble{align-self:flex-start;max-width:20ch;padding:22px 28px;background:var(--accent);color:var(--on-accent);font-weight:600;font-size:clamp(1.625rem,1rem + 2.4vw,2.5rem);line-height:1.15;letter-spacing:-.025em;border-radius:28px 28px 28px 8px;text-wrap:balance}:lang(zh) .bubble,:lang(ko) .bubble,:lang(hi) .bubble,:lang(ar) .bubble{letter-spacing:0;line-height:1.4;max-width:16em}[dir=rtl] .bubble{border-radius:28px 28px 8px}.ask-mascot{margin-top:20px}.mascot-sm{width:112px;height:auto}.mascot-md{width:168px;height:auto}.problem-body{margin-top:40px;max-width:60ch}.steps{display:grid;gap:clamp(64px,9vw,112px);margin-top:clamp(48px,7vw,80px)}.step{display:grid;gap:28px}.step-n{font-size:clamp(3.5rem,2.5rem + 4vw,5.5rem);line-height:1;font-weight:600;letter-spacing:-.05em;color:var(--faint);margin-bottom:8px;font-variant-numeric:lining-nums}.step-copy .tag,.step-copy .h3{margin-bottom:14px}.step-viz{min-width:0}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);padding:22px}.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.card-title{display:flex;align-items:center;gap:8px;min-width:0;font-weight:600;flex-wrap:wrap}.doc .card-title{flex-wrap:nowrap}.doc .card-title .mono{min-width:0;overflow-wrap:anywhere;font-size:.75rem}.card-foot{margin-top:14px;font-size:.8125rem;color:var(--faint)}.composer{background:var(--card);border:1px solid var(--border-strong);border-radius:24px;padding:20px 18px 16px}.composer-text{min-height:84px;font-size:1.1875rem;line-height:1.45;font-weight:600;letter-spacing:-.01em}.caret{display:inline-block;width:2px;height:1.1em;margin-inline-start:3px;background:var(--sel);vertical-align:-.18em}.composer-row{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:12px}.chip{display:inline-flex;align-items:center;gap:6px;min-height:36px;padding:4px 12px;border:1px solid var(--border-strong);border-radius:999px;font-size:.875rem;font-weight:600;background:transparent}.chip-plain{color:var(--muted)}.send{margin-inline-start:auto;display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:var(--accent);color:var(--on-accent)}.rows{display:block}.row{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:12px 0;border-top:1px solid var(--border)}.row dt{min-width:0;color:var(--muted);font-size:1rem;display:flex;align-items:center;gap:8px}.row dd{flex-shrink:0;font-weight:600;font-size:1.0625rem;white-space:nowrap}.row-pays dt{color:var(--text)}.row-owe{border-top:1px solid var(--border-strong);padding-top:16px}.row-owe dt{color:var(--text);font-weight:600}.fig{font-size:1.875rem;line-height:1.1;letter-spacing:-.02em}.timeline{padding:24px 22px}.tl{display:grid;gap:4px}.tl li{display:grid;grid-template-columns:3.4em 14px minmax(0,1fr);column-gap:12px;align-items:baseline;padding:8px 0}.tl-m{grid-row:1 / span 2;font-family:var(--mono);font-size:.8125rem;color:var(--faint);padding-top:3px}.tl-dot{grid-row:1 / span 2;align-self:start;margin-top:8px;width:12px;height:12px;border-radius:50%;border:2px solid var(--accent);background:var(--card)}.tl-t{font-weight:600}.tl-v{color:var(--muted);font-size:.9375rem;grid-column:3}.seg{display:flex;gap:3px;height:16px;margin-top:18px}.seg>span{display:block;height:100%;border-radius:4px}.seg-a,.seg-b{background:var(--accent)}.seg-open{flex:1;border:1px solid var(--accent-100);background:repeating-linear-gradient(135deg,var(--accent-100) 0 3px,var(--card) 3px 6px)}.seg-cap{margin-top:12px;font-size:.9375rem;font-weight:600}.seg-cap-warn{display:flex;align-items:center;gap:8px;margin-top:6px;color:var(--accent-ink)}.demo-head{display:grid;gap:20px;margin-bottom:40px;align-items:end}.demo-lead{max-width:52ch}.demo-frame{position:relative;min-height:380px;border:1px solid var(--border);border-radius:28px;overflow:hidden;background:#101a28}@media(min-width:700px){.demo-frame{min-height:0;aspect-ratio:16 / 9}}.demo-video,.demo-poster{width:100%;height:100%;object-fit:cover;object-position:50% 0}.demo-soon,.demo-poster{position:absolute;inset:0}.demo-soon-copy{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:8px;padding:24px 24px 7%;text-align:center;color:#e8eef7}.play-ring{display:inline-flex;align-items:center;justify-content:center;width:68px;height:68px;margin-bottom:10px;border:1.5px solid rgba(232,238,247,.5);border-radius:50%}.play-ring .ic{width:26px;height:26px;fill:#e8eef7;stroke:none}[dir=rtl] .play-ring .ic{transform:scaleX(-1)}.soon-t{font-size:clamp(1.25rem,1rem + 1.2vw,1.75rem);font-weight:600;letter-spacing:-.015em}.soon-b{max-width:40ch;color:#a3b0c3;font-size:1rem}.cta-inline{margin-top:32px}.panel{margin-top:48px;background:var(--card);border:1px solid var(--border);border-radius:28px;overflow:hidden}.trio{display:grid}.cell{padding:clamp(22px,3vw,32px);border-top:1px solid var(--border);display:flex;flex-direction:column;gap:12px}.cell:first-child{border-top:0}.cell-viz{display:flex;flex-direction:column;justify-content:center;gap:10px;min-height:132px;margin-bottom:14px;padding:18px;background:var(--raised);border-radius:14px}.meter{height:12px;border-radius:99px;background:var(--accent);overflow:hidden}.meter-fill{display:block;height:100%;background:var(--used);border-radius:99px}.meter-lab{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;font-size:.875rem;font-weight:600}.meter-lab span{display:inline-flex;align-items:center;gap:6px}.dot{display:inline-block;width:10px;height:10px;border-radius:3px}.dot-used{background:var(--used)}.dot-left{background:var(--accent)}.nb{display:grid;grid-template-columns:minmax(0,7.5em) 1fr auto;align-items:center;gap:10px;font-size:.875rem}.nb-l{color:var(--muted)}.nb-v{font-weight:600}.nb .bar{background:var(--border-strong)}.nb-d{margin-top:2px;font-size:.875rem;font-weight:600;color:var(--c-no)}.remind{display:flex;align-items:flex-start;gap:12px;padding:14px;background:var(--card);border:1px solid var(--border);border-radius:14px;font-size:.9375rem;font-weight:600;line-height:1.4}.remind-ic{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;flex:none;border-radius:50%;background:var(--accent-50);color:var(--accent-ink)}.split{display:grid;gap:48px;align-items:center}.split-copy .prose{margin-top:22px}.ticks{display:grid;gap:14px;margin-top:28px}.ticks li{display:flex;gap:12px;align-items:flex-start;color:var(--text);font-size:1.0625rem;line-height:1.5}.ticks 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