:root{--bg:#0B0F17;--sf:#121826;--sf2:#18203A;--line:#263042;--ink:#E8EDF5;--mut:#9AA6BA;--amb:#E0B84C;--amb2:#F0CC6A;--red:#F0566B;--grn:#2DD4BF;--r:12px;--w:1140px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 "Be Vietnam Pro",system-ui,sans-serif;overflow-x:hidden}
img,svg{max-width:100%;height:auto}
a{color:var(--amb2)}
a:hover{color:#fff}
h1,h2,h3{font-family:"Be Vietnam Pro",system-ui,sans-serif;line-height:1.2;margin:0 0 .6em}
h1{overflow-wrap:break-word;font-size:clamp(28px,5vw,48px);font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(23px,3vw,30px);margin-top:1.8em;padding-top:.2em;scroll-margin-top:90px}
h3{font-size:19px;margin-top:1.4em}
p,ul,ol{margin:0 0 1em}
code,.fr-mono{font-family:"JetBrains Mono",ui-monospace,monospace}
.fr-wrap{max-width:var(--w);margin:0 auto;padding:0 16px}
.fr-skip{position:absolute;left:-999px}.fr-skip:focus{left:16px;top:8px;z-index:99;background:var(--amb);color:#000;padding:8px 12px}

/* header */
.fr-head{position:sticky;top:0;z-index:40;background:rgba(11,15,23,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.fr-head-in{display:flex;align-items:center;gap:20px;min-height:64px}
.fr-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex:0 1 auto;min-width:0}
.fr-logo span{display:flex;flex-direction:column;line-height:1.15}
.fr-logo b{font-family:"Be Vietnam Pro",sans-serif;font-size:16px}
.fr-logo small{font-size:12px;color:var(--mut)}
.fr-nav{display:flex;gap:2px;margin-left:auto;align-items:center}
.fr-nav a{color:var(--mut);text-decoration:none;font-size:14.5px;font-weight:600;padding:8px 10px;border-radius:8px}
.fr-nav a:hover{color:var(--ink);background:var(--sf)}
.fr-nav a[aria-current]{color:var(--amb);box-shadow:inset 0 -2px 0 var(--amb)}
.fr-burger{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);background:var(--sf);border-radius:10px;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.fr-burger span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px}
.fr-drawer{position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.55)}
.fr-drawer-in{position:absolute;top:0;right:0;bottom:0;width:min(86vw,340px);background:var(--sf);border-left:1px solid var(--line);padding:64px 20px 24px;overflow-y:auto;transform:translateX(100%);transition:transform .22s}
.fr-drawer.open .fr-drawer-in{transform:none}
.fr-drawer nav{display:flex;flex-direction:column;margin-bottom:20px}
.fr-drawer nav a{color:var(--ink);text-decoration:none;padding:13px 4px;border-bottom:1px solid var(--line);font-weight:600}
.fr-drawer nav a[aria-current]{color:var(--amb)}
.fr-close{position:absolute;top:12px;right:14px;width:40px;height:40px;font-size:28px;line-height:1;background:none;border:0;color:var(--ink);cursor:pointer}
body.fr-lock{overflow:hidden}
.fr-dd{position:relative}
.fr-dd-b{background:none;border:0;color:var(--mut);font:600 14.5px "Be Vietnam Pro",sans-serif;padding:8px 22px 8px 10px;border-radius:8px;cursor:pointer;position:relative}
.fr-dd-b::after{content:"";position:absolute;right:8px;top:50%;width:6px;height:6px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:translateY(-70%) rotate(45deg)}
.fr-dd-b:hover,.fr-dd.open .fr-dd-b{color:var(--ink);background:var(--sf)}
.fr-dd-cur .fr-dd-b{color:var(--amb);box-shadow:inset 0 -2px 0 var(--amb)}
.fr-dd-p{display:none;position:absolute;top:100%;left:0;min-width:210px;background:var(--sf);border:1px solid var(--line);border-radius:12px;padding:6px;box-shadow:0 12px 30px rgba(0,0,0,.45);z-index:50}
.fr-dd.open .fr-dd-p,.fr-dd:focus-within .fr-dd-p{display:block}
@media (hover:hover){.fr-dd:hover .fr-dd-p{display:block}}
.fr-dd-p a{display:block;white-space:nowrap}
.fr-dr-h{margin:16px 0 2px;font:700 12px "Be Vietnam Pro",sans-serif;letter-spacing:.1em;text-transform:uppercase;color:var(--amb)}
.fr-foot-nav{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 28px}
@media (min-width:760px){.fr-foot-nav{grid-template-columns:repeat(4,minmax(0,1fr))}}
.fr-foot-nav div{display:flex;flex-direction:column;gap:6px}
.fr-foot-h{margin:0 0 4px;font:700 12px "Be Vietnam Pro",sans-serif;letter-spacing:.1em;text-transform:uppercase;color:var(--amb)}
.fr-tool textarea{width:100%;background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:9px;padding:10px 11px;font:500 14px "JetBrains Mono",monospace;resize:vertical}
@media (max-width:1079px){.fr-head .fr-nav,.fr-head .fr-head-cta{display:none}.fr-head .fr-burger{display:flex}}

/* buttons */
.fr-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 20px;border-radius:10px;background:var(--amb);color:#111;font-weight:700;text-decoration:none;border:0;cursor:pointer;font:700 15.5px/1.2 "Be Vietnam Pro",sans-serif;text-align:center}
.fr-btn:hover{background:var(--amb2);color:#000}
.fr-btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.fr-btn-ghost:hover{background:var(--sf2);color:#fff}
.fr-btn-sm{min-height:38px;padding:7px 14px;font-size:14px}
.fr-acts{display:flex;flex-wrap:wrap;gap:12px;margin:1.2em 0}

/* hero */
.fr-hero{border-bottom:1px solid var(--line);background:radial-gradient(900px 400px at 85% 0,rgba(45,212,191,.10),transparent 70%),var(--bg);padding:34px 0 40px}
.fr-hero-in{display:grid;grid-template-columns:minmax(0,1fr);gap:28px;align-items:center}
.fr-hero-art{width:100%;max-width:440px;justify-self:center}
.fr-hero-art .h-m{font:800 22px "Be Vietnam Pro",sans-serif;fill:#E0B84C}
.fr-hero-art .h-q{font:600 17px "Be Vietnam Pro",sans-serif;fill:#9AA8BF}
@media (min-width:900px){.fr-hero-in{grid-template-columns:minmax(0,1.25fr) minmax(0,.9fr)}}
.fr-lede{font-size:18.5px;color:#C9D3E3;max-width:62ch}
.fr-meta{font-size:13.5px;color:var(--mut)}
.fr-crumbs{font-size:13.5px;color:var(--mut);margin-bottom:14px;display:flex;gap:8px;flex-wrap:wrap}
.fr-crumbs a{color:var(--mut)}

/* body */
.fr-body{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;padding-top:12px;padding-bottom:56px}
@media (min-width:1080px){.fr-body{grid-template-columns:240px minmax(0,1fr)}.fr-toc{position:sticky;top:84px;align-self:start}}
.fr-toc{background:var(--sf);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;font-size:14px;margin-top:28px}
.fr-toc p{margin:0 0 6px;font-weight:700;color:var(--mut);text-transform:uppercase;font-size:12px;letter-spacing:.08em}
.fr-toc ol{margin:0;padding-left:18px}
.fr-toc li{margin:4px 0}
.fr-toc a{color:var(--ink);text-decoration:none}
.fr-toc a:hover{color:var(--amb)}
.fr-art{min-width:0;max-width:820px}
.fr-art ul,.fr-art ol{padding-left:22px}
.fr-art li{margin:.35em 0}

/* verdict / callouts */
.fr-verdict{border:1px solid var(--line);border-left:4px solid var(--amb);background:var(--sf);border-radius:var(--r);padding:18px 20px;margin:24px 0}
.fr-verdict p:last-child{margin:0}
.fr-verdict .k{font:700 12px "Be Vietnam Pro",sans-serif;letter-spacing:.1em;text-transform:uppercase;color:var(--amb);margin-bottom:6px}
.fr-warn{border-left-color:var(--red)}.fr-warn .k{color:var(--red)}
.fr-ok{border-left-color:var(--grn)}.fr-ok .k{color:var(--grn)}

/* tables */
.fr-table{width:100%;overflow-x:auto;margin:1.2em 0;border:1px solid var(--line);border-radius:var(--r)}
.fr-table table{width:100%;border-collapse:collapse;min-width:520px;font-size:15px}
.fr-table th,.fr-table td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.fr-table th{background:var(--sf2);font-family:"Be Vietnam Pro",sans-serif;font-size:14px}
.fr-table tr:last-child td{border-bottom:0}
.fr-table td.n{font-family:"JetBrains Mono",monospace;white-space:nowrap}
.bad{color:var(--red)}.good{color:var(--grn)}

/* steps */
.fr-steps{list-style:none;counter-reset:s;padding:0!important}
.fr-steps li{counter-increment:s;position:relative;padding:12px 14px 12px 58px;background:var(--sf);border:1px solid var(--line);border-radius:var(--r);margin:10px 0}
.fr-steps li::before{content:counter(s);position:absolute;left:14px;top:12px;width:30px;height:30px;border-radius:50%;background:var(--amb);color:#111;font:700 15px "JetBrains Mono",monospace;display:grid;place-items:center}
.fr-steps b{display:block;font-family:"Be Vietnam Pro",sans-serif}

/* cards */
.fr-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:1.2em 0}
.fr-card{display:block;background:var(--sf);border:1px solid var(--line);border-radius:var(--r);padding:16px;text-decoration:none;color:var(--ink)}
.fr-card:hover{border-color:var(--amb);color:var(--ink)}
.fr-card b{display:block;font-family:"Be Vietnam Pro",sans-serif;margin-bottom:4px}
.fr-card span{color:var(--mut);font-size:14.5px}

/* promo */
.fr-promo{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;background:linear-gradient(135deg,#1B2440,#111A2C);border:1px dashed var(--amb);border-radius:var(--r);padding:18px 20px;margin:24px 0}
.fr-promo>div{flex:1 1 300px}
.fr-promo p{margin:0 0 6px}
.fr-promo-k{font-weight:700;color:var(--amb);font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.fr-promo-c{display:flex;gap:10px;align-items:center}
.fr-promo-c code{font-size:26px;font-weight:700;color:#fff;letter-spacing:.06em}
.fr-copy{border:1px solid var(--line);background:var(--sf2);color:var(--ink);border-radius:8px;padding:6px 12px;cursor:pointer;font:600 13px "Be Vietnam Pro",sans-serif}
.fr-promo-t{font-size:14px;color:var(--mut)}

/* tools */
.fr-tool{background:var(--sf);border:1px solid var(--line);border-radius:16px;padding:20px;margin:24px 0}
.fr-tool-h{font:700 18px "Be Vietnam Pro",sans-serif;margin-bottom:14px}
.fr-grid3,.fr-grid2{display:grid;gap:12px;grid-template-columns:1fr}
@media (min-width:640px){.fr-grid3{grid-template-columns:repeat(3,1fr)}.fr-grid2{grid-template-columns:repeat(2,1fr)}}
.fr-tool label{display:flex;flex-direction:column;gap:6px;font-size:13.5px;color:var(--mut);font-weight:600}
.fr-tool input,.fr-tool select{width:100%;min-height:44px;background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:9px;padding:9px 11px;font:500 15px "JetBrains Mono",monospace}
.fr-tool input:focus,.fr-tool select:focus{outline:2px solid var(--amb);outline-offset:1px}
.fr-run{justify-content:flex-end}
.fr-out{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin:16px 0 8px}
.fr-out div{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:10px 12px;min-width:0}
.fr-out dt{font-size:12.5px;color:var(--mut)}
.fr-out dd{margin:2px 0 0;font:700 20px "JetBrains Mono",monospace;color:var(--amb);overflow-wrap:anywhere}
.fr-out-wide{grid-template-columns:1fr}
.fr-out-wide dd{font-size:15px}
.fr-note{font-size:13px;color:var(--mut);margin:6px 0 0}

/* figure */
.fr-fig{margin:24px 0;background:var(--sf);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.fr-fig figcaption{font-size:13.5px;color:var(--mut);margin-top:8px}
.fr-fig .c-l{font:600 14px "JetBrains Mono",monospace;fill:#9AA8BF}
.fr-fig .c-b{fill:#FFB020}
.fr-fig .c-v{font:700 14px "JetBrains Mono",monospace;fill:#E6ECF5}

/* faq */
.fr-faq{border:1px solid var(--line);border-radius:var(--r);background:var(--sf);margin:10px 0}
.fr-faq summary{cursor:pointer;padding:14px 44px 14px 16px;font-weight:600;position:relative;list-style:none}
.fr-faq summary::-webkit-details-marker{display:none}
.fr-faq summary::after{content:"+";position:absolute;right:16px;top:10px;font:700 22px "Be Vietnam Pro",sans-serif;color:var(--amb)}
.fr-faq[open] summary::after{content:"−"}
.fr-faq div{padding:0 16px 14px;color:#C9D3E3}
.fr-faq div p:last-child{margin:0}

/* footer */
.fr-foot{border-top:1px solid var(--line);background:#070B14;padding:36px 0 28px;font-size:14px;color:var(--mut)}
.fr-foot-top{display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;margin-bottom:18px}
.fr-foot nav{display:flex;flex-wrap:wrap;gap:6px 18px}
.fr-foot nav a{color:var(--ink);text-decoration:none}
.fr-foot nav a:hover{color:var(--amb)}
.fr-rg b{display:inline-block;border:1px solid var(--red);color:var(--red);border-radius:6px;padding:0 6px;margin-right:6px}
.fr-copy{font-size:13px}

/* esports additions */
.fr-art td.w{color:var(--grn);font-weight:700}
.fr-art td.l{color:var(--mut)}
.fr-tag{display:inline-block;font:700 12px "Be Vietnam Pro",sans-serif;letter-spacing:.04em;padding:2px 8px;border-radius:6px;background:var(--sf2);border:1px solid var(--line);color:var(--amb);margin-right:6px}
.fr-team{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--sf2);border:1px solid var(--line);font:800 11px "Be Vietnam Pro",sans-serif;color:var(--ink);margin-right:8px;vertical-align:middle}