:root{color-scheme:light dark;--bg-color: #0f172a;--card-bg: #020617;--code-bg: #1e293b;--code-text: #e2e8f0;--accent: #38bdf8;--accent-soft: rgba(56, 189, 248, .1);--text-main: #e5e7eb;--text-sub: #9ca3af;--border-subtle: rgba(148, 163, 184, .35)}:root[data-theme=light]{color-scheme:light;--bg-color: #fafaf9;--card-bg: #f5f5f4;--code-bg: #e7e5e4;--code-text: #1c1917;--text-main: #292524;--text-sub: #57534e;--border-subtle: rgba(120, 113, 108, .25);--accent: #0ea5e9;--accent-soft: rgba(14, 165, 233, .1)}:root[data-theme=dark]{color-scheme:dark}.code-block{background:var(--code-bg);color:var(--code-text)}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif;background:radial-gradient(circle at top left,#1d283a,#020617 55%);color:var(--text-main);min-height:100vh;display:flex;align-items:stretch;justify-content:center}:root[data-theme=light] body{background:#fafaf9;color:var(--text-main)}.page{width:100%;max-width:1200px;padding:32px 20px 40px;display:flex;flex-direction:column;gap:24px}header{display:flex;align-items:center;justify-content:space-between;gap:16px}.title-group{display:flex;flex-direction:column;gap:6px}.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;font-size:11px;border-radius:999px;background:var(--accent-soft);color:var(--accent);border:1px solid rgba(56,189,248,.25);text-transform:uppercase;letter-spacing:.08em}:root[data-theme=light] .badge{border-color:#0ea5e933}h1{margin:0;font-size:clamp(24px,4vw,30px);letter-spacing:.02em;color:var(--text-main)}.subtitle{margin:0;font-size:14px;color:var(--text-sub);max-width:640px}.author{margin:8px 0 0;font-size:12px;color:var(--text-sub);opacity:.9}.hero-intro{margin-top:20px;padding:18px 20px;border-radius:14px;border:1px solid var(--border-subtle);background:radial-gradient(circle at top left,#38bdf814,#0f172a99);max-width:640px}.hero-intro-title{margin:0 0 10px;font-size:15px;font-weight:600;letter-spacing:.04em;color:var(--accent)}.hero-intro-text{margin:0;font-size:13px;line-height:1.65;color:var(--text-sub)}.hero-intro .author{margin-top:12px}.pillar-section{margin-bottom:8px}.pillar-heading{margin:0 0 14px;font-size:16px;font-weight:700;letter-spacing:.06em;color:var(--text-main);padding-bottom:8px;border-bottom:1px solid var(--border-subtle)}.pillar-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}@media(max-width:780px){.pillar-cards{grid-template-columns:1fr}}.pillar-card{border-radius:14px;border:1px solid var(--border-subtle);background:radial-gradient(circle at top left,#94a3b81f,#0f172ad9);padding:16px 18px;display:flex;flex-direction:column;gap:8px;transition:border-color .18s ease-out,box-shadow .18s ease-out}.pillar-card:hover{border-color:#38bdf880;box-shadow:0 8px 24px #00000059}.pillar-num{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:999px;background:linear-gradient(135deg,#38bdf8,#4f46e5);color:#0b1120;font-size:12px;font-weight:700}.pillar-title{margin:0;font-size:15px;font-weight:600;color:var(--text-main)}.pillar-desc{margin:0;font-size:12px;line-height:1.55;color:var(--text-sub);flex:1}.pillar-link{font-size:12px;font-weight:500;color:var(--accent);text-decoration:none;display:inline-flex;align-items:center;gap:4px}.pillar-link:hover{text-decoration:underline}.pillar-arrow{font-size:14px}.pillar-badge{display:inline-block;padding:4px 10px;border-radius:999px;font-size:11px;color:var(--text-sub);border:1px solid var(--border-subtle);width:fit-content}.pillar-card-link .pillar-card-inner{display:flex;flex-direction:column;gap:8px;text-decoration:none;color:inherit;cursor:pointer}.pillar-card-link .pillar-card-inner .pillar-link{color:var(--accent);font-weight:500}.home-main{max-width:900px}.back-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--accent);text-decoration:none;margin-bottom:8px}.back-link:hover{text-decoration:underline}.section-title{margin:0 0 12px;font-size:15px;font-weight:600;color:var(--text-main);letter-spacing:.03em}.theme-toggle{display:inline-flex;align-items:center;gap:6px;padding:4px;border-radius:999px;background:#0f172ab3;border:1px solid rgba(148,163,184,.5)}:root[data-theme=light] .theme-toggle{background:#f5f5f4f2;border-color:#78716c33}.theme-button{position:relative;padding:4px 10px;border-radius:999px;border:none;background:transparent;color:var(--text-sub);font-size:11px;font-weight:500;cursor:pointer;transition:background .18s ease-out,color .18s ease-out,box-shadow .18s ease-out}.theme-button.active{background:linear-gradient(135deg,#38bdf8,#4f46e5);color:#0b1120;box-shadow:0 0 0 1px #0f172ae6}:root[data-theme=light] .theme-button.active{color:#fff;box-shadow:0 0 0 1px #78716c33}.theme-button:focus-visible{outline:none;box-shadow:0 0 0 2px #38bdf8e6}:root[data-theme=light] .theme-button:focus-visible{box-shadow:0 0 0 2px #0ea5e980}.meta{display:flex;flex-direction:column;align-items:flex-end;gap:8px;font-size:12px;color:var(--text-sub)}.meta-row{display:flex;gap:10px;align-items:center}.dot{width:4px;height:4px;border-radius:50%;background-color:var(--accent);box-shadow:0 0 0 4px #38bdf833}main{display:grid;grid-template-columns:minmax(0,2.1fr) minmax(0,1.1fr);gap:20px}.page.placeholder-page main{display:block}.main-content{display:flex;flex-direction:column;gap:20px;min-width:0}.algorithms-grid{display:flex;flex-direction:column;gap:20px}@media(max-width:880px){main{grid-template-columns:minmax(0,1fr)}.meta{align-items:flex-start}}.card{border-radius:18px;border:1px solid var(--border-subtle);background:radial-gradient(circle at top left,#94a3b847,#0f172af5);padding:18px 18px 16px;display:flex;flex-direction:column;gap:12px;box-shadow:0 18px 45px #000000a6,0 0 0 .5px #0f172ae6;cursor:pointer;transition:transform .16s ease-out,box-shadow .16s ease-out,border-color .16s ease-out,background .16s ease-out}.card:hover{transform:translateY(-3px);box-shadow:0 22px 55px #0f172ae6,0 0 0 .5px #38bdf8e6;border-color:#38bdf8b3}.card:focus-visible{outline:none;transform:translateY(-2px);box-shadow:0 0 0 2px #38bdf8e6,0 18px 45px #0f172ae6;border-color:#38bdf8d9}.card-header{display:flex;justify-content:space-between;align-items:center;gap:12px}.card-title{font-size:15px;font-weight:600}.chip-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}.chip{padding:3px 8px;border-radius:999px;border:1px solid rgba(148,163,184,.4);font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-sub)}.preview{position:relative;overflow:hidden;border-radius:14px;border:1px solid rgba(15,23,42,.9);background:radial-gradient(circle at top,#1f2937,#020617);box-shadow:inset 0 0 0 1px #0f172ae6;aspect-ratio:16 / 9}.preview img,.preview canvas{display:block;width:100%;height:100%;object-fit:cover;transform-origin:center;transition:transform .22s ease-out}.preview:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at top left,rgba(56,189,248,.16),transparent 55%);mix-blend-mode:screen;pointer-events:none}.card:hover .preview img,.card:hover .preview canvas{transform:scale(1.025)}.card-footer{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:4px}.description{font-size:12px;line-height:1.6;color:var(--text-sub)}.primary-action{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:999px;border:none;background:linear-gradient(135deg,#38bdf8,#4f46e5);color:#0b1120;font-size:12px;font-weight:600;cursor:pointer;text-decoration:none;box-shadow:0 0 0 1px #0f172ae6,0 10px 22px #2563eb99}.primary-action span.icon{font-size:13px}.primary-action:active{transform:translateY(1px);box-shadow:0 0 0 1px #0f172ae6,0 6px 16px #2563ebb3}.secondary-links{display:flex;flex-wrap:wrap;gap:8px;font-size:11px}.secondary-links a{color:var(--text-sub);text-decoration:none;border-bottom:1px dashed rgba(148,163,184,.7)}.secondary-links a:hover{color:var(--accent);border-bottom-style:solid}.side-panel{border-radius:18px;border:1px solid rgba(148,163,184,.45);background:radial-gradient(circle at top right,#3b82f647,#0f172afa);padding:16px 16px 14px;display:flex;flex-direction:column;gap:10px;box-shadow:0 16px 40px #0f172af2,0 0 0 .5px #0f172ae6;align-self:flex-start}.side-title{font-size:14px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);display:flex;align-items:center;justify-content:space-between;gap:8px;padding-bottom:6px;border-bottom:1px solid rgba(148,163,184,.5)}.side-title:after{content:"ALGOS";font-size:10px;padding:2px 8px;border-radius:999px;border:1px solid rgba(148,163,184,.7);color:var(--text-sub)}.side-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:6px;font-size:12px;color:var(--text-sub)}.side-list li{display:flex;align-items:flex-start;gap:8px;padding:8px 10px;border-radius:10px;transition:background .18s ease-out,transform .18s ease-out}.side-list li:hover{background:#0f172ab3;transform:translate(2px)}.side-list a{color:var(--accent);font-weight:500;text-decoration:none}.side-list a:hover{text-decoration:underline}.side-bullet{width:6px;height:6px;border-radius:50%;margin-top:4px;background:linear-gradient(135deg,#38bdf8,#22c55e);box-shadow:0 0 0 4px #22c55e2e}.side-footer{margin-top:4px;font-size:11px;color:var(--text-sub);opacity:.9}:root[data-theme=light] .card{background:linear-gradient(145deg,#fafaf9,#f5f5f4);border-color:var(--border-subtle);box-shadow:0 4px 20px #0000000f,0 0 0 1px #78716c14}:root[data-theme=light] .card:hover{box-shadow:0 12px 32px #00000014,0 0 0 1px #0ea5e940;border-color:#0ea5e959}:root[data-theme=light] .card:focus-visible{box-shadow:0 0 0 2px #0ea5e973,0 4px 20px #0000000f;border-color:#0ea5e980}:root[data-theme=light] .chip{border-color:#78716c33;color:var(--text-sub)}:root[data-theme=light] .preview{border-color:#78716c33;background:#e7e5e4;box-shadow:inset 0 0 0 1px #78716c1f}:root[data-theme=light] .preview:after{background:radial-gradient(circle at top left,rgba(14,165,233,.06),transparent 50%)}:root[data-theme=light] .primary-action{color:#fff;box-shadow:0 0 0 1px #78716c26,0 6px 18px #0ea5e940}:root[data-theme=light] .primary-action:active{box-shadow:0 0 0 1px #78716c26,0 4px 12px #0ea5e94d}:root[data-theme=light] .secondary-links a{border-bottom-color:#78716c59}:root[data-theme=light] .side-panel{border-color:var(--border-subtle);background:linear-gradient(145deg,#fafaf9,#f5f5f4);box-shadow:0 4px 20px #0000000d,0 0 0 1px #78716c14}:root[data-theme=light] .side-title{border-bottom-color:var(--border-subtle)}:root[data-theme=light] .side-title:after{border-color:#78716c40;color:var(--text-sub)}:root[data-theme=light] .side-list li:hover{background:#0ea5e914}:root[data-theme=light] .side-bullet{box-shadow:0 0 0 4px #0ea5e91f}.home-page{max-width:1000px;margin:0 auto;padding:24px 20px 56px;display:flex;flex-direction:column;gap:0}.home-header{display:flex;justify-content:flex-end;align-items:center;margin-bottom:8px}.home-hero{text-align:center;padding:48px 24px 40px;margin:0 -20px 40px;border-radius:20px;background:radial-gradient(ellipse 80% 70% at 50% 0%,rgba(56,189,248,.18),transparent 55%),radial-gradient(ellipse 60% 50% at 80% 20%,rgba(79,70,229,.12),transparent 45%);border:1px solid var(--border-subtle);position:relative}:root[data-theme=light] .home-hero{background:radial-gradient(ellipse 80% 70% at 50% 0%,rgba(14,165,233,.06),transparent 50%),radial-gradient(ellipse 60% 50% at 80% 20%,rgba(79,70,229,.04),transparent 45%);border-color:var(--border-subtle)}.home-hero-badge{display:inline-block;padding:6px 14px;font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);background:var(--accent-soft);border:1px solid rgba(56,189,248,.3);border-radius:999px;margin-bottom:20px}.home-hero-title{margin:0 0 12px;font-size:clamp(32px,6vw,48px);font-weight:700;letter-spacing:-.02em;color:var(--text-main);line-height:1.15}.home-hero-subtitle{margin:0 auto 28px;font-size:clamp(14px,2vw,16px);color:var(--text-sub);max-width:520px;line-height:1.6}.home-hero-about{max-width:480px;margin:0 auto;padding:20px 24px;border-radius:14px;background:#0f172a80;border:1px solid var(--border-subtle)}:root[data-theme=light] .home-hero-about{background:#f5f5f4e6;border-color:var(--border-subtle)}.home-hero-about-text{margin:0 0 10px;font-size:13px;line-height:1.65;color:var(--text-sub)}.home-hero-meta{font-size:12px;color:var(--text-sub);opacity:.85}.home-page .home-main{display:block;max-width:none}.home-main{padding:0 4px}.home-section-heading{margin:0 0 20px;font-size:15px;font-weight:700;letter-spacing:.06em;color:var(--text-main);padding-bottom:10px;border-bottom:1px solid var(--border-subtle)}.home-pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}@media(max-width:780px){.home-pillars{grid-template-columns:1fr}.home-hero{padding:36px 16px 32px;margin:0 0 32px}}.home-pillar{border-radius:18px;border:1px solid var(--border-subtle);background:radial-gradient(circle at top left,#94a3b81a,#0f172ad9);padding:24px 22px;display:flex;flex-direction:column;gap:12px;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}:root[data-theme=light] .home-pillar{background:linear-gradient(145deg,#fafaf9,#f5f5f4);border-color:var(--border-subtle)}.home-pillar:hover{border-color:#38bdf880;box-shadow:0 12px 32px #00000040;transform:translateY(-2px)}:root[data-theme=light] .home-pillar:hover{border-color:#0ea5e966;box-shadow:0 8px 24px #0000000f}.home-pillar-link .home-pillar-inner{display:flex;flex-direction:column;gap:12px;text-decoration:none;color:inherit;cursor:pointer;margin:-24px -22px;padding:24px 22px;border-radius:18px}.home-pillar-num{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:12px;background:linear-gradient(135deg,#38bdf8,#4f46e5);color:#0b1120;font-size:14px;font-weight:700}.home-pillar-title{margin:0;font-size:17px;font-weight:600;color:var(--text-main);letter-spacing:.02em}.home-pillar-desc{margin:0;font-size:13px;line-height:1.6;color:var(--text-sub);flex:1}.home-pillar-cta{font-size:13px;font-weight:600;color:var(--accent);display:inline-flex;align-items:center;gap:6px}.home-pillar-link:hover .home-pillar-cta{text-decoration:underline}.home-pillar-arrow{font-size:16px;transition:transform .2s ease}.home-pillar-link:hover .home-pillar-arrow{transform:translate(4px)}.home-pillar-badge{display:inline-block;padding:6px 12px;border-radius:999px;font-size:11px;font-weight:500;color:var(--text-sub);border:1px solid var(--border-subtle);width:fit-content}.rate-limiting-section{margin-top:32px;padding:20px 18px;border-radius:18px;border:1px solid var(--border-subtle);background:radial-gradient(circle at top left,#38bdf824,#0f172af2)}:root[data-theme=light] .rate-limiting-section{background:linear-gradient(145deg,#fafaf9,#f5f5f4)}.rate-limiting-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.rate-limiting-title{margin:0;font-size:15px;font-weight:600;letter-spacing:.04em;color:var(--text-main)}.rate-limiting-tagline{margin:0;font-size:12px;color:var(--text-sub)}.rate-limiting-body{display:flex;flex-direction:column;gap:14px}.rate-limiting-controls{margin-top:4px;padding:10px 12px;border-radius:12px;border:1px solid rgba(148,163,184,.55);background:radial-gradient(circle at top left,#94a3b82e,#0f172ae6)}:root[data-theme=light] .rate-limiting-controls{background:linear-gradient(145deg,#f5f5f4,#e7e5e4);border-color:#78716c59}.rate-limiting-controls-header{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 12px;margin-bottom:8px}.rate-limiting-controls-title{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}.rate-limiting-controls-subtitle{font-size:11px;color:var(--text-sub)}.rate-limiting-controls-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 16px}.rate-limiting-control-field{display:flex;flex-direction:column;gap:4px;font-size:11px}.rate-limiting-control-label{font-weight:500;color:var(--text-main)}.rate-limiting-control-range{margin-left:6px;font-size:10px;color:var(--text-sub)}.rate-limiting-control-inputs{display:flex;align-items:center;gap:8px}.rate-limiting-control-inputs input[type=range]{flex:1}.rate-limiting-control-number{width:70px;padding:3px 6px;border-radius:8px;border:1px solid var(--border-subtle);background:#0f172ad9;color:var(--text-main);font-size:11px}:root[data-theme=light] .rate-limiting-control-number{background:#fafaf9}.rate-limiting-control-help{font-size:10px;color:var(--text-sub)}.rate-limiting-control-error{margin-top:6px;font-size:11px;color:#fecaca}.rate-limiting-timeline{position:relative;border-radius:12px;border:1px solid rgba(148,163,184,.55);background:radial-gradient(circle at top,#020617,#020617 60%,#0b1120);padding:12px 12px 10px;overflow:hidden}:root[data-theme=light] .rate-limiting-timeline{background:linear-gradient(145deg,#f5f5f4,#e7e5e4);border-color:#78716c59}.rate-limiting-timeline-track{position:relative;height:32px;border-radius:999px;background:radial-gradient(circle at top,#0f172ae6,#0f172ae6);box-shadow:inset 0 0 0 1px #0f172ae6,0 0 0 1px #0f172ad9}:root[data-theme=light] .rate-limiting-timeline-track{background:#020617;box-shadow:inset 0 0 0 1px #0f172a,0 0 0 1px #0f172ab3}.rate-limiting-event{position:absolute;top:50%;transform:translate(-50%,-50%);width:10px;height:10px;border-radius:999px;box-shadow:0 0 0 3px #0f172ad9;cursor:pointer;transition:transform .14s ease-out,box-shadow .14s ease-out,background .14s ease-out}.rate-limiting-event--allowed{background:linear-gradient(135deg,#22c55e,#4ade80)}.rate-limiting-event--rejected{background:linear-gradient(135deg,#f97316,#ef4444)}.rate-limiting-event--active{transform:translate(-50%,-50%) scale(1.15);box-shadow:0 0 0 4px #38bdf8cc,0 0 18px #38bdf8e6}.rate-limiting-window-band{position:absolute;top:0;bottom:0;background:linear-gradient(to right,#38bdf81a,#38bdf82e,#38bdf81a);pointer-events:none}.rate-limiting-footer{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px;font-size:11px;color:var(--text-sub);justify-content:space-between}.rate-limiting-stats{display:flex;flex-wrap:wrap;gap:8px}.rate-limiting-stat-chip{padding:3px 8px;border-radius:999px;border:1px solid var(--border-subtle);background:#0f172a99}:root[data-theme=light] .rate-limiting-stat-chip{background:#f5f5f4f2}.rate-limiting-legend{display:inline-flex;align-items:center;gap:6px}.rate-limiting-legend-dot{width:8px;height:8px;border-radius:999px;box-shadow:0 0 0 3px #0f172ab3}.rate-limiting-legend-dot--allowed{background:linear-gradient(135deg,#22c55e,#4ade80)}.rate-limiting-legend-dot--rejected{background:linear-gradient(135deg,#f97316,#ef4444)}@media(max-width:780px){.rate-limiting-section{margin-top:24px;padding:16px 14px}.rate-limiting-footer{flex-direction:column;align-items:flex-start}}