@font-face{font-family:PortalKai;src:url("./fonts/portal-kai.v1.3.0.woff2") format("woff2");font-display:swap}
@font-face{font-family:PortalText;src:url("./fonts/portal-text.v1.3.0.woff2") format("woff2");font-display:swap}
.upload-button{width:100%;min-height:48px;margin-top:24px;padding:0 15px;display:flex;align-items:center;gap:10px;border:1px dashed var(--line);border-radius:14px;background:rgba(255,255,255,.025);color:var(--muted);text-align:left}.upload-button span{display:grid;width:25px;height:25px;place-items:center;border-radius:50%;background:var(--line)}.upload-button b{color:var(--ink);font-size:12px}.upload-button small{margin-left:auto;color:var(--muted)}.input-grid{margin-top:20px!important}.kd-rule{margin:10px 2px 0;color:var(--muted);font-size:10px;line-height:1.55}
.result strong.unbounded{font:650 20px PortalText,sans-serif;color:var(--muted)}.range-separator{margin:0 5px!important}
:root{color-scheme:dark;--ink:#f5f5f7;--muted:#a1a1a6;--accent:#65b4ff;--green:#34d399;--panel:rgba(27,29,36,.84);--card:#171b25;--line:rgba(255,255,255,.09);--page:#0f0f11;--header:rgba(15,15,17,.82)}:root[data-theme=light]{color-scheme:light;--ink:#1d1d1f;--muted:#6e6e73;--panel:rgba(255,255,255,.82);--card:#fff;--line:rgba(29,29,31,.09);--page:#f5f5f7;--header:rgba(245,245,247,.84);--green:#169b70}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--page)}body{min-width:320px;margin:0;overflow-x:hidden;color:var(--ink);background:linear-gradient(180deg,rgba(34,34,37,.62),transparent 35rem),var(--page);font-family:PortalText,"Segoe UI","Microsoft YaHei",sans-serif;transition:.2s}button,input{font:inherit}.ambient{position:absolute;z-index:0;border-radius:50%;filter:blur(90px);pointer-events:none;opacity:.2}.ambient-one{width:31rem;height:31rem;right:-12rem;top:-18rem;background:#0a84ff}.ambient-two{width:26rem;height:26rem;left:-16rem;top:48rem;background:#9f65ff}.topbar{height:70px;padding:0 max(5vw,18px);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:var(--header);backdrop-filter:saturate(180%) blur(22px);position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font:650 15px PortalKai,serif}.brand small{display:block;color:var(--muted);font:10px PortalText,sans-serif;letter-spacing:2px;margin-top:2px}.brand-mark{width:18px;height:18px;display:grid;grid-template-columns:repeat(2,8px);grid-template-rows:repeat(2,8px);gap:2px}.brand-mark i{display:block;background:currentColor;border-radius:50%}.brand-mark i:nth-child(2){border-radius:3px}.brand-mark i:nth-child(3){width:18px;height:6px;grid-column:1/3;border-radius:99px}.header-actions{display:flex;align-items:center;gap:14px}.version{font-size:10px;color:var(--muted)}.theme-toggle{display:grid;place-items:center;width:34px;height:34px;padding:0;border:1px solid var(--line);border-radius:50%;color:var(--ink);background:var(--panel);cursor:pointer}.page-shell{width:min(1280px,100%);margin:0 auto;padding:0 max(5vw,18px);position:relative}.hero{min-height:760px;display:grid;grid-template-columns:minmax(340px,.8fr) minmax(520px,1.2fr);gap:clamp(45px,7vw,100px);align-items:center;padding:70px 0}.eyebrow,.kicker{margin:0;color:var(--accent);font-size:11px;font-weight:750;letter-spacing:.08em}.hero h1{margin:18px 0 24px;font:720 clamp(50px,5.2vw,76px)/1.05 PortalKai,"KaiTi",serif}.hero h1 em{color:var(--accent);font-style:normal}.lead{max-width:560px;margin:0;color:var(--muted);font-size:17px;line-height:1.7}.principle{margin-top:36px;padding:18px 20px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.025)}.principle span{color:var(--green);font-size:11px}.principle p{margin:6px 0 0;color:var(--muted);font-size:13px;line-height:1.55}.tool-card{padding:30px;border:1px solid var(--line);border-radius:34px;background:var(--panel);box-shadow:0 24px 70px rgba(0,0,0,.25);backdrop-filter:blur(22px)}.card-top{display:flex;justify-content:space-between;align-items:start}.card-top h2{margin:7px 0 0;font:650 35px PortalKai,serif}.ready{display:flex;align-items:center;gap:7px;padding:7px 10px;border-radius:99px;background:rgba(255,255,255,.06);color:var(--muted);font-size:11px}.ready i{width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(52,211,153,.1)}label{position:relative;color:var(--muted);font-size:11px}.input-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}.input-grid input,.queue-grid input{display:block;width:100%;margin-top:8px;padding:13px 12px;border:1px solid var(--line);border-radius:12px;outline:none;background:var(--card);color:var(--ink);font-size:18px}.input-grid input:focus,.queue-grid input:focus{border-color:var(--accent)}.input-grid label>span{position:absolute;right:12px;bottom:14px}.queue-title{display:flex;justify-content:space-between;margin:26px 0 11px;color:var(--muted);font-size:11px}.queue-title small{font:10px Consolas,monospace}.queue-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.queue-grid label{padding:14px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.025)}.queue-grid b,.queue-grid span{display:block}.queue-grid b{color:var(--ink);font-size:13px}.queue-grid span{margin-top:3px}.queue-grid .hard{border-color:rgba(101,180,255,.42);background:rgba(101,180,255,.06)}.result{margin-top:24px;padding:22px;display:grid;grid-template-columns:1fr 1.2fr;gap:24px;border-radius:22px;background:linear-gradient(140deg,rgba(10,132,255,.2),rgba(52,211,153,.07));border:1px solid rgba(101,180,255,.28)}.result>div:first-child p{margin:0;color:var(--muted);font-size:12px}.result strong{font:650 64px/1 PortalKai,serif;color:var(--accent)}.result>div:first-child span{margin-left:6px;color:var(--muted)}.result-meta{display:flex;flex-direction:column;justify-content:center;gap:9px}.result-meta p{display:flex;justify-content:space-between;margin:0;padding-bottom:8px;border-bottom:1px solid var(--line);font-size:11px}.result-meta span{color:var(--muted)}.warning{margin:12px 0 0;color:#fb7185;font-size:12px}.fine-print{margin:16px 0 0;color:var(--muted);font-size:11px;line-height:1.6}.roadmap{padding:35px 0 100px}.section-heading{display:flex;align-items:end;justify-content:space-between;margin-bottom:24px}.section-heading h2{margin:7px 0 0;font:650 42px PortalKai,serif}.section-heading>span{color:var(--muted);font-size:11px}.placeholder-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.placeholder-grid article{min-height:190px;padding:24px;border:1px solid var(--line);border-radius:24px;background:var(--panel)}.placeholder-grid b{font-family:PortalKai,serif}.placeholder-grid p{color:var(--muted);font-size:12px}.placeholder-grid article>strong{display:block;margin-top:36px;color:var(--muted);font-size:42px}.ghost-bar{height:5px;margin-top:45px;background:var(--line)}.ghost-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--green));opacity:.35}footer{padding:24px 5vw;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:var(--muted);font-size:10px;letter-spacing:1px;position:relative}@media(max-width:950px){.hero{grid-template-columns:1fr;padding-top:60px}.hero-copy{max-width:720px}.tool-card{max-width:760px}.placeholder-grid{grid-template-columns:1fr}.roadmap{padding-top:0}}@media(max-width:580px){.topbar{height:62px}.version{display:none}.hero{padding:45px 0 70px}.hero h1{font-size:clamp(40px,12vw,58px)}.tool-card{padding:20px;border-radius:25px}.input-grid,.queue-grid{grid-template-columns:1fr}.result{grid-template-columns:1fr}.section-heading{align-items:start;gap:14px;flex-direction:column}.section-heading h2{font-size:34px}footer{flex-direction:column;gap:8px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}