.bn-page{--bn-green:#a3d7e8;--bn-pink:#d7b9e9;--bn-yellow:#2c2942}.bn-hero{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:36px;align-items:center;padding:34px 0 32px}.bn-hero h1{font-size:clamp(32px,4.8vw,56px);margin:8px 0 16px}.bn-hero p{max-width:750px;color:var(--muted)}.bn-hero-art{background:radial-gradient(circle at 35% 25%,#30495c99,transparent 72%),#1b1b2bcc;border-radius:48% 52% 35% 65%;padding:32px;text-align:center;transform:rotate(4deg);border:2px solid #535476}.bn-hero-art img{height:130px;width:130px;display:block;margin:auto}.bn-hero-art strong{display:block;color:var(--bn-green);font-size:23px;letter-spacing:.06em}.bn-kicker{display:inline-block;background:var(--bn-yellow);border:1px solid #55516d;padding:4px 12px;border-radius:100px;font-size:12px;color:#d3c9e9}.bn-nav{display:flex;flex-wrap:wrap;gap:9px;margin:4px 0 24px}.bn-nav a{display:inline-flex;align-items:center;min-height:44px;color:#c7dce7;border:1px solid var(--line);border-radius:100px;padding:5px 13px;font-size:13px;background:#10131e}.bn-panel{padding:28px;border:1px solid var(--crystal-border);border-radius:22px;background:#141521db;margin:0 0 25px;box-shadow:inset 0 1px 0 #ffffff08,0 20px 50px #00000024}.bn-panel h2{margin:0 0 12px}.bn-panel p+p{margin-top:10px}.bn-note{border-left:4px solid #b39868;padding:12px 16px;background:#2a2630;border-radius:0 12px 12px 0;font-size:14px;margin:18px 0}.bn-note strong{color:#f1d6a4}.bn-notice{background:#191c2c;padding:13px 18px;border-radius:12px;font-size:13px;color:var(--muted)}.bn-form-grid{display:grid;grid-template-columns:minmax(0,1fr) 200px minmax(0,1fr);gap:18px;align-items:end;margin-top:22px}.bn-label{display:flex;justify-content:space-between;gap:10px;margin-bottom:8px;font-size:14px;font-weight:650}.bn-label small{font-weight:400;color:var(--muted)}.bn-form-grid input,.bn-form-grid select{color:#f3f1fa;background:#10131e;border-color:#55566b;color-scheme:dark}.bn-form-grid input{font-family:ui-monospace,monospace;font-size:16px;height:49px}.bn-form-grid select{font-size:16px;height:49px}.bn-actions{display:flex;gap:10px;flex-wrap:wrap;margin:17px 0}.bn-actions .button-blue{background:linear-gradient(108deg,#205364,#344364);color:#f3f1fa;border-color:#647589;box-shadow:inset 0 1px 0 #ffffff12}.bn-examples{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 20px}.bn-example{min-height:44px;cursor:pointer;background:#1b2232;border:1px solid #3c495b;border-radius:7px;color:#c7dce7;padding:5px 10px;font-size:12px}.bn-example:hover,.bn-nav a:hover,.bn-trace-controls button:hover:not(:disabled){background:#29344a;border-color:#71869d}.bn-example:focus-visible,.bn-nav a:focus-visible,.bn-trace-controls button:focus-visible,.bn-form-grid input:focus-visible,.bn-form-grid select:focus-visible{outline:2px solid #a3d7e8;outline-offset:3px}.bn-trace-controls button:disabled{color:#a4a4b7;opacity:.55;cursor:not-allowed}.bn-error{padding:13px 16px;border:1px solid #765062;border-radius:9px;background:#2e1e2a;color:#ffabbc;margin-top:14px;overflow-wrap:anywhere}.bn-result{margin-top:24px;border-top:1px solid var(--line);padding-top:24px}.bn-result-label{font-size:12px;letter-spacing:.08em;color:var(--bn-green)}.bn-output{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;display:block;font-size:clamp(22px,3vw,34px);line-height:1.5;overflow-wrap:anywhere;word-break:break-all;margin:8px 0 10px;color:#b6e7df;font-weight:700}.bn-unit{font-size:13px;color:var(--muted);overflow-wrap:anywhere}.bn-remainder{background:#282136;padding:12px 16px;border-radius:10px;margin:14px 0}.bn-remainder output{font-family:ui-monospace,monospace;overflow-wrap:anywhere}.bn-output-note{font-size:13px;color:var(--muted);margin-top:10px!important}.bn-trace{border:1px solid #42475c;border-radius:16px;background:#1a1d2d;margin-top:21px;padding:19px}.bn-trace-top{display:flex;justify-content:space-between;gap:10px;align-items:center}.bn-trace-top h3{font-size:16px}.bn-trace-top span{font-size:12px;color:var(--muted)}.bn-trace h4{margin-top:15px;color:#badbe7}.bn-trace p{font-size:14px;overflow-wrap:anywhere}.bn-trace pre{font-size:14px;white-space:pre-wrap;word-break:break-all;background:#10131e;border:1px solid #3c4053;padding:12px;border-radius:8px;margin:12px 0}.bn-trace-controls{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:14px}.bn-trace-controls button{color:#dce7f3;min-height:44px;cursor:pointer;background:#10131e;border:1px solid #434b63;border-radius:8px;padding:6px 12px;font-size:13px}.bn-trace input[type=range]{accent-color:#a3d7e8;border:0;padding:6px 0;margin:6px 0 0;outline-offset:1px}.bn-section{padding:20px 0 14px;scroll-margin-top:100px}.bn-section>h2{font-size:28px;margin:0 0 15px}.bn-section>p{color:var(--muted);margin-bottom:20px}.bn-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:18px}.bn-card{min-width:0;padding:24px;border:1px solid var(--line);border-radius:17px;background:#10131e}.bn-card h3{margin-bottom:12px}.bn-card p,.bn-card li{font-size:14px}.bn-card a,.bn-section p a,.bn-panel a,.bn-section li a{color:#a3d7e8;text-decoration:underline;text-underline-offset:3px}.bn-card ol,.bn-card ul{margin-bottom:0}.bn-card code,.bn-section code{font-family:ui-monospace,monospace;background:#292b3f;padding:2px 5px;border-radius:4px;font-size:.92em;overflow-wrap:anywhere}.bn-wide{grid-column:1/-1}.bn-code{white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px;line-height:1.9;background:#10131e;padding:18px;border:1px solid #373a50;border-radius:12px;margin:16px 0}.bn-table-wrap{overflow:auto;max-width:100%;border:1px solid var(--line);border-radius:12px;margin:15px 0}.bn-table{border-collapse:collapse;width:100%;font-size:13px}.bn-table th,.bn-table td{border-bottom:1px solid #353747;text-align:left;padding:12px 14px;vertical-align:top}.bn-table th{background:#202436;white-space:nowrap}.bn-table td{min-width:100px}.bn-table tr:last-child td{border-bottom:0}.bn-table code{white-space:normal}.bn-ref-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 25px;padding-left:21px;font-size:14px}.bn-checklist{list-style:none;padding:0!important}.bn-checklist li{border-bottom:1px dashed var(--line);padding-bottom:10px}.bn-checklist li::before{content:'□';margin-right:10px;color:#a3d7e8}.bn-foot{margin-top:40px}.bn-trace-legend{font-size:12px;color:var(--muted);margin-top:7px}.bn-form-hint{font-size:13px;color:var(--muted)}@media(max-width:800px){.bn-hero{grid-template-columns:1fr 150px;gap:15px}.bn-hero-art{padding:20px}.bn-hero-art img{height:90px}.bn-hero-art strong{font-size:17px}.bn-form-grid{grid-template-columns:1fr 1fr}.bn-form-operation{grid-column:1/-1;grid-row:2}.bn-grid{grid-template-columns:1fr}.bn-ref-list{grid-template-columns:1fr}.bn-panel{padding:21px}.bn-wide{grid-column:auto}}@media(max-width:520px){.bn-hero{grid-template-columns:1fr;padding-top:16px}.bn-hero-art{display:none}.bn-form-grid{grid-template-columns:1fr}.bn-form-operation{grid-column:auto;grid-row:auto}.bn-hero h1{font-size:35px}.bn-panel{padding:17px;border-radius:16px}.bn-card{padding:19px}.bn-section>h2{font-size:25px}.bn-trace{padding:14px}.bn-trace-top{align-items:flex-start;flex-direction:column}.bn-trace-controls button{padding:6px 10px}.bn-output{font-size:24px}.bn-table th,.bn-table td{padding:10px;min-width:110px}}
.bn-diagram{margin-top:20px}.bn-diagram summary{font-weight:650;color:#a3d7e8;padding:9px 0}.bn-page .diagram-viewport{max-height:680px;overflow:auto}.bn-page .bn-table td{overflow-wrap:anywhere;max-width:330px}.bn-page .bn-notice a{color:#a3d7e8;text-decoration:underline}