:root{--bg:#07101d;--surface:#0e1c2d;--surface-2:#14283e;--cyan:#65dfff;--violet:#b798ff;--text:#edf5fc;--muted:#abbcd0;--line:#29405a;--radius:14px;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{background:var(--bg);color:var(--text);margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Arial,sans-serif;font-size:16px;line-height:1.65}a{color:var(--cyan);text-underline-offset:4px;text-decoration-thickness:1px}a:hover{color:#c3f3ff}button,input{font:inherit}button{cursor:pointer}button,a,input,summary{-webkit-tap-highlight-color:transparent}button:disabled{cursor:default;opacity:.6}:focus-visible{outline:3px solid var(--cyan);outline-offset:4px}img{max-width:100%;display:block}svg{flex-shrink:0}h1,h2,h3,p,figure{margin-top:0}h1,h2,h3{letter-spacing:-.035em;line-height:1.15}h2{font-size:clamp(1.65rem,2.5vw,2.35rem)}h3{font-size:1.2rem}p{margin-bottom:1.15rem}p:last-child{margin-bottom:0}button,input,summary{min-height:44px}input{width:100%;min-width:0;color:var(--text);background:#071323;border:1px solid #405873;border-radius:8px;padding:10px 12px}input::placeholder{color:#94a9c0}label{align-items:center;gap:7px;margin-bottom:6px;font-size:.9rem;font-weight:650;display:flex}section[id]{scroll-margin-top:105px}[hidden]{display:none!important}.skip-link{background:var(--cyan);color:#07101d;z-index:100;padding:12px 20px;position:fixed;top:-100px;left:20px}.skip-link:focus{top:12px}.site-header{z-index:20;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#07101df7;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;gap:22px;width:100%;min-height:78px;padding:14px 28px;display:flex}.brand{color:var(--text);flex-shrink:0;align-items:center;gap:10px;text-decoration:none;display:flex}.brand img{border-radius:9px}.brand strong{letter-spacing:.01em;font-size:17px;line-height:1.2;display:block}.brand b{color:var(--cyan);font-weight:850}.brand small{color:var(--muted);letter-spacing:.09em;text-transform:uppercase;margin-top:5px;font-size:10.5px;display:block}.desktop-nav{align-items:center;gap:4px;display:flex}.desktop-nav a{color:#c3d1e1;white-space:nowrap;border-radius:6px;padding:10px 9px;font-size:13px;text-decoration:none}.desktop-nav a:hover,.desktop-nav a[aria-current=page]{color:var(--cyan);background:#13263a}.menu-toggle{border:1px solid var(--line);color:var(--text);background:0 0;border-radius:8px;justify-content:center;align-items:center;width:46px;display:none}.mobile-nav{border-top:1px solid var(--line);grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;padding:12px 20px 20px;display:grid}.mobile-nav a{min-height:48px;color:var(--text);border-radius:7px;align-items:center;gap:7px;padding:10px 12px;text-decoration:none;display:flex}.mobile-nav a:hover,.mobile-nav a[aria-current=page]{background:var(--surface-2);color:var(--cyan)}.eyebrow{text-transform:uppercase;letter-spacing:.13em;color:var(--violet);align-items:center;gap:9px;margin-bottom:18px;font-size:12px;font-weight:750;display:flex}.update-dot{background:var(--cyan);border-radius:50%;width:7px;height:7px;box-shadow:0 0 12px #65dfff55}.checked-date{letter-spacing:.025em;color:var(--muted);margin-top:22px;font-size:12px}.button{min-height:48px;color:var(--text);background:#14273c;border:1px solid #425b77;border-radius:8px;justify-content:center;align-items:center;gap:10px;padding:12px 19px;font-size:14px;font-weight:700;line-height:1.3;text-decoration:none;transition:background .15s;display:inline-flex}.button:hover{color:var(--text);background:#1d3853}.button.primary{background:var(--cyan);border-color:var(--cyan);color:#041522}.button.primary:hover{background:#b0efff}.text-link{align-items:center;gap:8px;min-height:44px;font-size:14px;font-weight:650;text-decoration:none;display:inline-flex}.hero-actions{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.home-page{width:100%;padding:0 28px 54px}.home-hero{padding:55px 0 25px}.home-hero h1{letter-spacing:-.055em;max-width:1140px;margin-bottom:22px;font-size:clamp(2.6rem,5.15vw,5.2rem);font-weight:850;line-height:1.04}.hero-intro{color:#c5d5e6;max-width:840px;margin-bottom:26px;font-size:clamp(1rem,1.45vw,1.22rem);line-height:1.65}.hero-art{border-radius:var(--radius);background:#091422;border:1px solid #32445c;margin:0;position:relative;overflow:hidden}.hero-art img{object-fit:cover;object-position:center 43%;width:100%;height:clamp(240px,30vw,400px)}.hero-art figcaption{letter-spacing:.02em;color:#e1e9f2;background:linear-gradient(#0000,#030b18ec);padding:18px 20px 12px;font-size:11px;position:absolute;bottom:0;left:0;right:0}.home-section{border-bottom:1px solid var(--line);padding:46px 0}.section-heading{align-items:center;gap:16px;margin-bottom:18px;display:flex}.section-heading h2{margin:0}.section-number{letter-spacing:.08em;color:var(--cyan);border:1px solid #2c617a;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;font-size:12px;font-weight:700;display:flex}.section-lead{color:#b9cadd;max-width:1040px;line-height:1.75}.section-identify-game{padding:34px 0}.section-identify-game .section-heading h2{font-size:1.65rem}.identity-links{flex-wrap:wrap;gap:25px;display:flex}.identity-links a{align-items:center;gap:7px;min-height:44px;font-size:14px;font-weight:650;text-decoration:none;display:flex}.upgrade-tool{margin-top:26px}.scenario-picker{grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;display:grid}.scenario-picker button{text-align:left;color:#c2d1e2;background:#0b1828;border:1px solid #32465f;border-radius:8px;padding:14px 12px;font-size:14px;font-weight:650;line-height:1.45}.scenario-picker button:hover{border-color:#66cde6}.scenario-picker button[aria-pressed=true]{border-color:var(--cyan);color:var(--cyan);box-shadow:inset 0 -3px var(--cyan);background:#113147}.upgrade-result{background:var(--surface);border-radius:var(--radius);border:1px solid #35536b;min-height:390px;margin-top:14px;padding:30px}.result-eyebrow{letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);align-items:center;gap:9px;margin-bottom:14px;font-size:12px;font-weight:750;display:flex}.upgrade-result h3{max-width:1020px;margin-bottom:24px;font-size:clamp(1.45rem,2.2vw,2rem)}.action-steps{margin:22px 0;padding-left:26px}.action-steps li{margin-bottom:14px;padding-left:7px;line-height:1.8}.action-steps li::marker{color:var(--cyan);font-weight:800}.avoid-note{border-left:3px solid var(--violet);color:#c9d7e7;background:#16243a;padding:14px 16px;font-size:14px}.success-note{color:#c3e5db;align-items:flex-start;gap:10px;font-size:14px;display:flex}.success-note svg{color:#8be9c7;margin-top:3px}.tradeoff-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:28px;display:grid}.tradeoff{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:24px}.tradeoff>span{color:var(--violet);margin-bottom:16px;font-size:12px;font-weight:700;display:block}.tradeoff p{color:#c6d6e8;font-size:15px}.guide-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:26px;display:grid}.guide-card{color:var(--text);border:1px solid var(--line);background:var(--surface);border-radius:10px;flex-direction:column;padding:24px;text-decoration:none;transition:background .15s,border-color .15s;display:flex}.guide-card:hover{color:var(--text);background:#122840;border-color:#4e869e}.guide-card>svg{color:var(--cyan);margin-bottom:22px}.guide-card h3{margin-bottom:12px;font-size:20px}.guide-card p{color:var(--muted);flex:1;font-size:13px;line-height:1.7}.guide-card>span{color:var(--cyan);align-items:center;gap:6px;margin-top:12px;font-size:12px;font-weight:700;display:flex}.faq details{border-bottom:1px solid var(--line);padding:10px 0}.faq summary{cursor:pointer;padding:13px 0;font-weight:650}.faq details p{color:#bfd0e1;max-width:1050px;margin:8px 0 16px}.source-note{border:1px solid var(--line);color:var(--muted);background:#0a1728;border-radius:10px;margin-top:35px;padding:22px;font-size:13px}.source-note>strong{letter-spacing:.025em;color:#dce9f7;margin-bottom:9px;font-size:12px;display:block}.source-note p{margin-bottom:10px;line-height:1.8}.source-note a{align-items:center;gap:8px;min-height:35px;font-size:12px;font-weight:650;text-decoration:none;display:inline-flex}.article-page{padding:0 28px 56px}.article-shell{grid-template-columns:minmax(0,1fr) minmax(0,52rem) minmax(0,1fr);gap:28px;display:grid}.empty-rail,.article-center{min-width:0}.article-intro{border-bottom:1px solid var(--line);padding:36px 0 26px}.breadcrumbs{color:var(--muted);flex-wrap:wrap;align-items:center;gap:9px;margin-bottom:28px;font-size:12px;display:flex}.breadcrumbs a{text-decoration:none}.article-intro h1{margin-bottom:22px;font-size:clamp(2.2rem,3.55vw,3.7rem);font-weight:850;line-height:1.07}.intro-copy{color:#c6d5e5;font-size:17px;line-height:1.8}.article-intro .checked-date{margin-top:18px}.contents{background:var(--surface);border:1px solid var(--line);border-radius:10px;margin-top:25px}.contents summary{cursor:pointer;padding:14px 18px;font-size:14px;font-weight:700}.contents nav{gap:3px;padding:0 18px 18px;display:grid}.contents a{padding:7px 0;font-size:13px;line-height:1.5;text-decoration:none}.guide-section{padding:36px 0 10px}.guide-section h2{margin-bottom:18px;font-size:clamp(1.65rem,2.5vw,2.1rem)}.guide-section>p{color:#c2d2e4;line-height:1.85}.plain-list{color:#c2d2e4;margin:22px 0;padding-left:24px}.plain-list li{margin-bottom:13px;padding-left:6px;line-height:1.8}.plain-list li::marker{color:var(--cyan)}.field-note{border-left:3px solid var(--violet);background:#17213a;padding:13px 16px;font-size:13px;line-height:1.8;color:#d3d5ed!important}.official-actions{flex-wrap:wrap;gap:12px;margin:22px 0;display:flex}.related-guides{border-top:1px solid var(--line);margin-top:36px;padding-top:30px}.related-guides h2{margin-bottom:20px;font-size:1.4rem}.related-guides>div{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.related-guides a{background:var(--surface);border:1px solid var(--line);border-radius:7px;justify-content:space-between;align-items:center;gap:12px;min-height:48px;padding:14px;font-size:13px;text-decoration:none;display:flex}.table-scroll{border:1px solid var(--line);background:#0a1726;border-radius:10px;max-width:100%;overflow:auto}.table-scroll table{border-collapse:collapse;width:100%;font-size:13px;line-height:1.7}.table-scroll th,.table-scroll td{border-bottom:1px solid var(--line);text-align:left;vertical-align:top;min-width:110px;max-width:320px;padding:14px 15px}.table-scroll thead th{color:#d0e6f8;letter-spacing:.04em;text-transform:uppercase;white-space:nowrap;background:#14283d;font-size:11px;font-weight:750}.table-scroll tbody th{color:#edf6ff;min-width:145px;font-weight:700}.table-scroll td{color:#bfd0e3}.table-scroll tr:last-child th,.table-scroll tr:last-child td{border-bottom:0}.table-scroll tbody tr:nth-child(2n){background:#0d1c2e}.table-hint{color:var(--muted);margin:8px 0;font-size:11px}.table-search{margin:20px 0 14px}.table-search input{max-width:480px}.table-search p{color:var(--muted);margin:6px 0;font-size:12px}.codes-desk{margin-top:24px}.code-filters{background:var(--surface);border:1px solid var(--line);border-radius:10px;grid-template-columns:minmax(0,1fr) 180px;gap:15px;padding:20px;display:grid}.checkbox-label{grid-column:1/-1;align-items:center;gap:10px;min-height:44px;margin:0;font-weight:500;display:flex}.checkbox-label input{width:18px;height:18px;min-height:18px;accent-color:var(--cyan)}.filter-result{color:var(--muted);margin:14px 0;font-size:12px}.code-list{gap:12px;display:grid}.code-card{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:20px}.code-card-head{justify-content:space-between;align-items:flex-start;gap:15px;display:flex}.code-card h3{letter-spacing:.01em;overflow-wrap:anywhere;margin:0 0 13px;font-size:17px;line-height:1.5}.code-card code{color:var(--cyan);font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.level-badge{color:#d0dcee;white-space:nowrap;background:#20364e;border:1px solid #3a526c;border-radius:5px;flex-shrink:0;margin-top:2px;padding:4px 7px;font-size:10px;font-weight:700}.code-card>p{color:#c5d4e5;font-size:14px;line-height:1.8}.code-card-bottom{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.code-card-bottom>small{color:var(--muted);padding-top:12px;font-size:10px}.copy-control{flex-direction:column;align-items:flex-end;gap:6px;max-width:58%;display:flex}.copy-button{color:var(--cyan);background:#153247;border:1px solid #41657c;border-radius:6px;align-items:center;gap:7px;min-height:44px;padding:8px 14px;font-size:12px;font-weight:700;display:flex}.copy-button:hover{background:#204b64}.copy-status{color:#9fe6c4;text-align:right;font-size:10px;line-height:1.5}.manual-copy{color:#ead6aa;max-width:100%;font-size:11px;line-height:1.6;display:block}.manual-copy input{margin-top:6px;font-size:13px}.empty-state{text-align:center;background:var(--surface);color:#c5d4e5;border:1px dashed #516782;border-radius:10px;padding:25px;font-size:14px}.empty-state button{color:var(--cyan);background:#153247;border:1px solid #41657c;border-radius:7px;padding:8px 17px}.site-footer{border-top:1px solid var(--line);background:#060e19;padding:36px 28px}.footer-inner{max-width:52rem;margin:0 auto}.footer-brand{color:#dce9f8;align-items:center;gap:10px;margin-bottom:14px;font-size:16px;font-weight:750;text-decoration:none;display:flex}.footer-brand img{border-radius:6px}.footer-inner p{color:var(--muted);max-width:680px;font-size:12px;line-height:1.8}.footer-inner nav{flex-wrap:wrap;gap:6px 24px;margin:13px 0;display:flex}.footer-inner nav a{color:#c2d5e8;align-items:center;min-height:44px;font-size:12px;text-decoration:none;display:flex}.footer-inner>small{color:#8fa6bf;font-size:10px;line-height:1.6}@media (min-width:1800px){.header-inner,.home-page,.article-page{padding-left:48px;padding-right:48px}}@media (max-width:1099px){.desktop-nav{display:none}.menu-toggle{display:flex}.article-shell{max-width:52rem;margin:0 auto;display:block}.empty-rail{display:none}.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.scenario-picker{grid-template-columns:repeat(3,minmax(0,1fr))}.home-hero h1{font-size:clamp(2.6rem,7vw,4.6rem)}}@media (max-width:640px){html{scroll-padding-top:90px}.header-inner{gap:8px;min-height:73px;padding:12px 18px}.brand img{width:38px;height:38px}.brand strong{font-size:15px}.brand small{font-size:9px}.home-page{padding:0 18px 36px}.home-hero{padding-top:35px;padding-bottom:22px}.home-hero h1{letter-spacing:-.05em;font-size:clamp(2.6rem,9.6vw,3.8rem)}.hero-intro{font-size:16px}.hero-actions{gap:9px}.hero-actions .button{padding:12px 14px;font-size:12px}.hero-actions .text-link{font-size:12px}.hero-art img{object-position:center;height:240px}.hero-art figcaption{padding-left:12px;font-size:9px}.home-section{padding:32px 0}.section-heading{gap:12px}.section-heading h2{font-size:1.75rem}.section-lead{font-size:15px}.section-identify-game .section-heading h2{font-size:1.45rem}.identity-links{gap:4px}.identity-links a{font-size:12px}.scenario-picker{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.scenario-picker button{padding:12px 10px;font-size:12px}.scenario-picker button:last-child{grid-column:1/-1}.upgrade-result{min-height:0;padding:22px 18px}.upgrade-result h3{font-size:1.6rem}.action-steps{padding-left:22px;font-size:15px}.action-steps li{margin-bottom:13px;padding-left:4px}.avoid-note{padding:12px;font-size:12px}.success-note{font-size:12px}.tradeoff-grid{grid-template-columns:1fr;gap:10px}.tradeoff{padding:20px}.tradeoff>span{margin-bottom:10px}.guide-grid{grid-template-columns:1fr}.guide-card{padding:22px}.guide-card>svg{margin-bottom:16px}.guide-card p,.faq summary,.faq details p{font-size:14px}.source-note{padding:18px;font-size:12px}.article-page{padding:0 18px 36px}.article-intro{padding-top:26px}.breadcrumbs{margin-bottom:22px;font-size:11px}.article-intro h1{font-size:2.55rem}.intro-copy{font-size:16px}.guide-section{padding-top:30px}.guide-section h2{font-size:1.7rem}.guide-section>p,.plain-list{font-size:15px;line-height:1.85}.table-scroll table{font-size:12px}.table-scroll th,.table-scroll td{min-width:130px;padding:12px 13px}.table-scroll tbody th{min-width:135px}.code-filters{grid-template-columns:1fr;gap:13px;padding:16px}.code-filters label{font-size:12px}.code-card{padding:16px}.code-card h3{font-size:14px}.code-card-head{gap:9px}.level-badge{padding:4px 5px;font-size:9px}.code-card>p{font-size:13px}.code-card-bottom>small{max-width:40%;font-size:9px}.copy-control{max-width:60%}.copy-status{font-size:10px}.related-guides>div{grid-template-columns:1fr}.site-footer{padding:30px 18px}.footer-inner nav{gap:3px 20px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important;animation:none!important}}