:root{--bg: #fbfcfd;--bg-soft: #f3f5f8;--surface: #ffffff;--ink: #10151f;--ink-2: #3b4453;--muted: #6b7382;--line: #e6e9ee;--line-strong: #d4d9e0;--accent: #0f9d6b;--accent-strong: #0b855a;--accent-ink: #ffffff;--accent-soft: #e8f7f0;--accent-line: #b9e6d3;--danger: #d64550;--danger-soft: #fdecec;--dirty-bg: #fbeff0;--dirty-ink: #a3454c;--clean-bg: #e8f7f0;--clean-ink: #0b7a53;--r-xs: 8px;--r-sm: 10px;--r: 14px;--r-lg: 20px;--r-pill: 999px;--shadow-sm: 0 1px 2px rgba(16,21,31,.05), 0 1px 3px rgba(16,21,31,.04);--shadow: 0 4px 16px rgba(16,21,31,.06), 0 1px 3px rgba(16,21,31,.05);--shadow-lg: 0 18px 48px rgba(16,21,31,.12);--sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Inter, sans-serif;--mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;color-scheme:light}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3,h4{margin:0;line-height:1.15;letter-spacing:-.02em;font-weight:700}p{margin:0}a{color:var(--accent-strong);text-decoration:none}a:hover{text-decoration:underline}code,pre,.mono{font-family:var(--mono)}:where(a,button,input,textarea,[tabindex]):focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:var(--r-xs)}.container{width:min(1080px,100% - 40px);margin-inline:auto}.muted{color:var(--muted)}.center{text-align:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:600;font-size:.94rem;cursor:pointer;padding:11px 18px;border-radius:var(--r-sm);background:var(--surface);color:var(--ink);border:1px solid var(--line-strong);transition:background .15s,border-color .15s,transform .05s,box-shadow .15s}.btn:hover{border-color:var(--muted)}.btn:active{transform:translateY(1px)}.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:transparent;box-shadow:var(--shadow-sm)}.btn.primary:hover{background:var(--accent-strong)}.btn.ghost{background:transparent;border-color:transparent;color:var(--ink-2)}.btn.ghost:hover{background:var(--bg-soft)}.btn.big{padding:14px 24px;font-size:1rem;border-radius:var(--r)}.btn.tiny{padding:6px 12px;font-size:.82rem;border-radius:var(--r-xs)}.btn[disabled]{opacity:.5;cursor:not-allowed}.btn.block{width:100%}.chip{display:inline-flex;align-items:center;gap:7px;font-size:.82rem;font-weight:600;padding:6px 12px;border-radius:var(--r-pill);background:var(--accent-soft);color:var(--accent-strong);border:1px solid var(--accent-line)}.chip.neutral{background:var(--bg-soft);color:var(--ink-2);border-color:var(--line)}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow-sm)}.field,.data{width:100%;font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--r-sm);padding:11px 13px;transition:border-color .15s,box-shadow .15s}.field::placeholder,.data::placeholder{color:#9aa2af}.field:focus,.data:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.data{resize:vertical;line-height:1.5;font-family:var(--mono);font-size:.9rem}label.lbl{display:flex;flex-direction:column;gap:7px;font-size:.86rem;font-weight:600;color:var(--ink-2)}.error{color:var(--danger);font-size:.88rem}.success{color:var(--accent-strong);font-weight:600}.topbar{position:sticky;top:0;z-index:20;background:#fbfcfdd1;-webkit-backdrop-filter:saturate(180%) blur(10px);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}.topbar .inner{display:flex;align-items:center;gap:18px;padding:12px 0}.brand{display:inline-flex;align-items:center;gap:9px;font-weight:800;letter-spacing:-.03em;font-size:1.15rem;color:var(--ink)}.brand .logo{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;background:var(--accent);color:#fff;font-size:.95rem;font-weight:800}.topbar nav{display:flex;gap:4px}.topbar .spacer{margin-left:auto}.topbar .right{display:flex;align-items:center;gap:10px}.tab{background:none;border:none;font:inherit;font-weight:600;color:var(--muted);padding:8px 12px;border-radius:var(--r-sm);cursor:pointer}.tab:hover{color:var(--ink);background:var(--bg-soft)}.tab.active{color:var(--accent-strong);background:var(--accent-soft)}.usage{font-size:.82rem;color:var(--muted);background:var(--bg-soft);border:1px solid var(--line);padding:5px 11px;border-radius:var(--r-pill)}main.wrap{padding:26px 0 64px}.explain{text-align:center;max-width:720px;margin:8px auto 26px}.explain h1{font-size:clamp(1.6rem,4.4vw,2.15rem)}.explain .sub{color:var(--ink-2);font-size:1.05rem;margin-top:12px}.explain .scope{color:var(--muted);font-size:.92rem;margin-top:10px}.how3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:0 auto 26px;max-width:900px}.how3 .step{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px;display:flex;gap:12px;align-items:flex-start}.how3 .ic{flex:none;width:34px;height:34px;border-radius:10px;background:var(--accent-soft);color:var(--accent-strong);display:grid;place-items:center;font-size:1.05rem}.how3 .step b{display:block;font-size:.92rem}.how3 .step span{color:var(--muted);font-size:.85rem}.grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}.stack{max-width:760px;margin-inline:auto;display:flex;flex-direction:column;gap:14px}.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:6px}.section-head h2{font-size:1.02rem}.step-tag{font-size:.78rem;font-weight:700;color:var(--accent-strong);background:var(--accent-soft);border-radius:var(--r-pill);padding:3px 9px}.hint{color:var(--muted);font-size:.85rem;margin:4px 0 14px}.demos{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.demo-chip{font:inherit;font-size:.84rem;font-weight:600;cursor:pointer;color:var(--accent-strong);background:var(--accent-soft);border:1px solid var(--accent-line);padding:7px 13px;border-radius:var(--r-pill)}.demo-chip:hover{background:#dcf1e7}.examples{display:flex;flex-direction:column;gap:9px}.ex-row{display:grid;grid-template-columns:1fr 22px 1fr 30px;align-items:center;gap:8px}.ex-row .arrow{color:var(--muted);text-align:center;font-weight:700}.icon-btn{background:none;border:1px solid transparent;color:var(--muted);border-radius:var(--r-xs);width:30px;height:30px;cursor:pointer}.icon-btn:hover{background:var(--danger-soft);color:var(--danger)}.actions{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}.result-empty{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px;color:var(--muted);padding:20px 8px}.result-empty .big-ic{width:52px;height:52px;border-radius:14px;background:var(--bg-soft);display:grid;place-items:center;font-size:1.5rem}.verified-badge{display:inline-flex;align-items:center;gap:6px;font-size:.8rem;font-weight:700;color:var(--accent-strong);background:var(--accent-soft);border:1px solid var(--accent-line);padding:4px 10px;border-radius:var(--r-pill)}.human{font-size:1.05rem;font-weight:600;margin:12px 0 4px}.recipe-line{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:8px}.recipe-line .lbl-mini{font-size:.78rem;color:var(--muted)}.recipe{font-family:var(--mono);font-size:.85rem;color:var(--ink);background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r-xs);padding:6px 10px;overflow-x:auto;white-space:pre-wrap;word-break:break-word}.result-actions{display:flex;gap:10px;margin:16px 0 6px;flex-wrap:wrap}.diff-head{font-size:.82rem;color:var(--muted);margin:18px 0 8px;font-weight:600}.diff{display:flex;flex-direction:column;gap:6px;max-height:440px;overflow-y:auto;padding-right:4px}.diff-row{display:grid;grid-template-columns:1fr 20px 1fr;align-items:center;gap:8px}.diff-row code{font-family:var(--mono);font-size:.82rem;padding:7px 10px;border-radius:var(--r-xs);overflow-x:auto;white-space:nowrap}.diff-row .arrow{color:var(--muted);text-align:center}.dirty{background:var(--dirty-bg);color:var(--dirty-ink)}.clean{background:var(--clean-bg);color:var(--clean-ink)}.hist{display:flex;flex-direction:column;gap:6px}.hist .recipe{margin:0}.hist-meta{color:var(--muted);font-size:.78rem}.empty-hist{text-align:center;color:var(--muted);padding:40px 0}.flash{position:fixed;bottom:26px;left:50%;transform:translate(-50%,16px);background:var(--ink);color:#fff;padding:11px 18px;border-radius:var(--r-sm);font-size:.9rem;font-weight:600;box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:50}.flash.show{opacity:1;transform:translate(-50%)}.lp-nav{display:flex;align-items:center;padding:16px 0}.lp-nav .spacer{margin-left:auto}.hero{text-align:center;padding:40px 0 8px}.hero .chip{margin-bottom:20px}.hero h1{font-size:clamp(2.1rem,6vw,3.3rem);max-width:15ch;margin-inline:auto}.hero h1 .g{color:var(--accent-strong)}.hero .lead{font-size:clamp(1.05rem,2.4vw,1.28rem);color:var(--ink-2);max-width:44ch;margin:18px auto 0}.hero .cta-row{display:flex;gap:12px;justify-content:center;align-items:center;margin-top:28px;flex-wrap:wrap}.hero .counter{font-size:.9rem;color:var(--muted)}.hero .counter b{color:var(--accent-strong)}section.band{padding:46px 0}section.band.soft{background:var(--bg-soft);border-block:1px solid var(--line)}.band h2.t{font-size:clamp(1.4rem,3.4vw,1.9rem);text-align:center}.band .lead-c{text-align:center;color:var(--ink-2);max-width:52ch;margin:12px auto 0}.ba{display:grid;grid-template-columns:1fr auto 1fr;gap:14px;align-items:center;max-width:640px;margin:26px auto 0}.ba .cell{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;box-shadow:var(--shadow-sm)}.ba .cell .k{font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;font-weight:700;color:var(--muted)}.ba .cell .v{font-family:var(--mono);font-size:1.05rem;margin-top:8px;word-break:break-all}.ba .cell.after{border-color:var(--accent-line);background:var(--accent-soft)}.ba .cell.after .v{color:var(--accent-strong)}.ba .to{font-size:1.6rem;color:var(--accent)}.ba-more{text-align:center;color:var(--muted);font-size:.88rem;margin-top:16px}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}.feat{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow-sm)}.feat .ic{width:40px;height:40px;border-radius:11px;background:var(--accent-soft);color:var(--accent-strong);display:grid;place-items:center;font-size:1.2rem;margin-bottom:12px}.feat h3{font-size:1.02rem}.feat p{color:var(--muted);font-size:.92rem;margin-top:7px}.access-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:28px;counter-reset:a}.astep{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;box-shadow:var(--shadow-sm)}.astep .n{counter-increment:a;width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;font-weight:800;display:grid;place-items:center;margin-bottom:12px}.astep .n:before{content:counter(a)}.astep b{font-size:.95rem}.astep p{color:var(--muted);font-size:.86rem;margin-top:5px}.access-note{text-align:center;color:var(--muted);font-size:.9rem;margin-top:18px}.apply-wrap{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start;max-width:900px;margin:30px auto 0}.trust h3{font-size:1.05rem;margin-bottom:6px}.trust p{color:var(--ink-2);font-size:.94rem;margin-top:10px}.trust .yesno{list-style:none;padding:0;margin:12px 0;display:flex;flex-direction:column;gap:8px}.trust .yesno li{position:relative;padding-left:26px;font-size:.92rem;color:var(--ink-2)}.trust .yesno .y:before{content:"✓";position:absolute;left:0;color:var(--accent-strong);font-weight:800}.trust .yesno .n:before{content:"✕";position:absolute;left:0;color:var(--danger);font-weight:800}.form-card{display:flex;flex-direction:column;gap:14px}.form-card h3{font-size:1.1rem}.consent{display:flex;gap:10px;align-items:flex-start;font-size:.86rem;color:var(--ink-2)}.consent input{margin-top:3px;width:17px;height:17px;accent-color:var(--accent);flex:none}.received{text-align:center;padding:12px 4px}.received .big-ic{width:54px;height:54px;border-radius:16px;background:var(--accent-soft);color:var(--accent-strong);display:grid;place-items:center;font-size:1.6rem;margin:0 auto 12px}.full-note{text-align:center;padding:10px}.lp-foot{border-top:1px solid var(--line);background:var(--bg-soft);padding:34px 0}.lp-foot .cols{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}.lp-foot nav{display:flex;gap:20px;flex-wrap:wrap}.lp-foot .contact{color:var(--muted);font-size:.86rem}.auth{min-height:70vh;display:grid;place-items:center;padding:40px 20px}.auth-inner{width:min(420px,100%);text-align:center}.auth-inner .brand{justify-content:center;font-size:1.6rem;margin-bottom:18px}.auth-card{text-align:left}.policy-top{border-bottom:1px solid var(--line);background:var(--surface)}.policy-top .inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}.policy-top nav{display:flex;gap:18px}.policy-body{padding:34px 0 70px}.policy-body .prose{max-width:720px;margin-inline:auto}.policy-body h1{font-size:clamp(1.7rem,4vw,2.1rem)}.policy-body h2{font-size:1.12rem;margin-top:30px}.policy-body p,.policy-body li{color:var(--ink-2)}.policy-body .updated{color:var(--muted);font-size:.86rem;margin-top:8px}.policy-body ul{padding-left:22px}.policy-body li{margin:5px 0}.policy-body .back{margin-top:34px}@media(max-width:880px){.grid,.how3,.features{grid-template-columns:1fr}.access-steps{grid-template-columns:1fr 1fr}.apply-wrap{grid-template-columns:1fr}}@media(max-width:560px){.access-steps,.ba{grid-template-columns:1fr}.ba .to{transform:rotate(90deg);justify-self:center}.topbar nav{display:none}.hero{padding-top:26px}}.col-picker{margin-top:12px;padding:14px;border:1px solid var(--accent-line);background:var(--accent-soft);border-radius:var(--r-sm)}.col-picker-title{font-size:.88rem;font-weight:600;color:var(--accent-strong);margin-bottom:10px}.col-picker .lbl{color:var(--ink-2)}.row-ops{margin-top:14px;padding:14px;border:1px dashed var(--line-strong);border-radius:var(--r-sm);background:var(--bg-soft)}.row-ops-title{font-size:.82rem;font-weight:600;color:var(--ink-2);margin-bottom:10px}.row-ops-btns{display:flex;flex-wrap:wrap;gap:8px}.table-preview{margin-top:14px;overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-sm)}.table-preview table{border-collapse:collapse;width:100%;font-size:.82rem;font-family:var(--mono)}.table-preview th{text-align:left;background:var(--bg-soft);color:var(--ink-2);font-weight:700;padding:8px 10px;border-bottom:1px solid var(--line);position:sticky;top:0}.table-preview td{padding:7px 10px;border-bottom:1px solid var(--line);white-space:nowrap;color:var(--ink-2)}.table-preview tr:last-child td{border-bottom:none}.hist-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:8px}.code-label{font-size:.76rem;color:var(--muted);font-weight:600;margin:12px 0 6px}.code-full{font-family:var(--mono);font-size:.8rem;line-height:1.5;color:var(--ink);background:#0f141b;color:#d7e0ec;padding:14px;border-radius:var(--r-sm);overflow-x:auto;white-space:pre;margin:0;border:1px solid var(--line-strong)}