*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{color-scheme:dark}
body{min-height:100vh;background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block}
.app{display:grid;grid-template-columns:272px minmax(0,1fr);min-height:100vh}
.side{position:sticky;top:0;height:100vh;overflow-y:auto;display:flex;flex-direction:column;background:var(--side)}
.me{padding:28px 22px 20px;display:grid;gap:4px}
.me img{width:56px;height:56px;border-radius:50%;object-fit:cover;margin-bottom:12px}
.me b{font-size:16px;font-weight:600;color:#fff}
.me span{font-size:13px;line-height:1.5;color:var(--nav)}
nav{flex:1;padding:8px 0 16px}
nav small{display:none;padding:18px 24px 6px;font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--nav);opacity:.6}
nav a{display:flex;align-items:center;gap:14px;margin:2px 10px;padding:10px 14px;border-radius:10px;font-size:14px;font-weight:500;color:var(--nav);transition:background .2s,color .2s}
nav a svg{width:20px;height:20px;flex-shrink:0}
nav a:hover{background:rgba(255,255,255,.05);color:#fff}
nav a.on{background:var(--on-bg);color:var(--on)}
.side-foot{padding:16px 24px;font-size:12px;color:var(--nav)}
.main{min-width:0;position:relative}
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:14px;height:64px;padding:0 32px;background:var(--top);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:var(--top-border,0)}
.motto{font-size:20px;font-weight:500;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.motto em{font-style:normal;color:var(--accent)}
.menu{display:none;place-items:center;width:40px;height:40px;margin-left:-8px;border:0;border-radius:10px;background:transparent;color:var(--text);cursor:pointer}
.menu svg{width:22px;height:22px}
.content{position:relative;z-index:1;max-width:1080px;padding:28px 32px 64px}
.card{background:var(--card);border-radius:var(--r,16px);overflow:hidden;border:var(--card-border,0)}
.card-title{padding:22px 28px;background:var(--title-bg);color:var(--title)}
.card-title h1{font-size:24px;font-weight:var(--h1-w,500);letter-spacing:-.01em}
.card-body{padding:26px 28px 30px;color:var(--body);font-size:15.5px;line-height:1.75;overflow-wrap:anywhere}
.card-body>:first-child{margin-top:0}
.card-body p{margin:12px 0;max-width:820px}
.card-body p:empty{display:none}
.card-body strong{color:var(--accent);font-weight:600}
.card-body i{color:var(--muted)}
.card-body h2{margin:30px 0 8px;font-size:19px;font-weight:600;line-height:1.35;color:var(--accent);letter-spacing:-.01em}
.card-body h2 small{font-size:14px;font-weight:400;color:var(--body)}
.card-body h3{margin:0 0 10px;font-size:14px;font-weight:500;color:var(--muted)}
.card-body .note,.card-body .ref h3{margin:18px 0;padding:4px 0 4px 16px;border-left:2px solid var(--accent);font-size:15px;font-weight:400;line-height:1.7;color:var(--muted)}
.card-body ul{margin:10px 0;padding-left:22px;list-style:square}
.card-body ul ul{margin:6px 0 4px}
.card-body li{margin:5px 0}
.card-body li::marker{color:var(--accent)}
.card-body a{color:var(--link,var(--accent));text-decoration:underline;text-decoration-color:color-mix(in srgb,currentColor 40%,transparent);text-underline-offset:3px;transition:text-decoration-color .2s}
.card-body a:hover{text-decoration-color:currentColor}
.card-body p.line,.card>p.line{height:0;margin:30px 0;border-top:1px solid var(--line)}
.card>p.line{margin:0 28px}
.card-body img{max-width:100%;height:auto;border-radius:12px}
.card-body iframe{display:block;width:100%;max-width:640px;height:auto;aspect-ratio:16/9;border:0;border-radius:12px}
.card-body .ref{margin:18px 0 24px}
.card-body .ref h3{margin:0 0 8px}
.card-body .ref h3 a{font-weight:600}
.card-body .ref p{margin:0}
.scrim{display:none}
@media (max-width:900px){
.app{grid-template-columns:minmax(0,1fr)}
.side{position:fixed;left:0;top:0;z-index:20;width:280px;transform:translateX(-102%);transition:transform .3s ease}
body.open .side{transform:none}
body.open .scrim{display:block;position:fixed;inset:0;z-index:15;background:rgba(0,0,0,.55)}
.menu{display:grid}
.top{padding:0 16px;height:58px}
.motto{font-size:17px}
.content{padding:18px 16px 48px}
.card-title{padding:18px 20px}.card-body{padding:20px 20px 24px;font-size:15px}
.card>p.line{margin:0 20px}
.card-body br{display:none}
.card-body .note br{display:initial}
}
@media (prefers-reduced-motion: reduce){*,*::before,*::after{animation:none!important;transition:none!important}}
:root{--font:'Inter',system-ui,sans-serif;--bg:#0f1212;--text:#e5e9e8;--side:#151a1a;--nav:#8a9594;--on-bg:#4db6ac;--on:#082220;--top:rgba(15,18,18,.85);--top-border:1px solid #1d2323;--muted:#c5cccb;--accent:#4db6ac;--link:#7fd8cf;--card:#151a1a;--card-border:1px solid #1f2626;--title-bg:transparent;--title:#fff;--body:#a0aaa9;--line:#1f2626;--r:16px;--h1-w:600}
nav small{display:block}
nav a.on{font-weight:600}
.btn{display:inline-flex;align-items:center;line-height:1.4;padding:10px 18px;border-radius:10px;border:1px solid #2a3333;font-size:14px;font-weight:600;color:#e5e9e8;text-decoration:none;transition:background .2s,border-color .2s}
.btn:hover{border-color:#4db6ac}
.btn.primary,.card-body a.btn.primary{background:#4db6ac;border-color:#4db6ac;color:#082220;text-decoration:none}
.btn.primary:hover{background:#7fd8cf;border-color:#7fd8cf}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:14px}
.stats>*{display:block;padding:18px 20px;border-radius:16px;background:#151a1a;border:1px solid #1f2626;transition:border-color .2s,transform .2s}
.stats a:hover{border-color:#4db6ac;transform:translateY(-2px)}
.stats b{display:block;font-size:28px;font-weight:700;letter-spacing:-.03em;color:#fff}
.stats span{display:block;font-size:14px;font-weight:500;color:#c5cccb}
.stats small{display:block;margin-top:4px;font-size:12.5px;line-height:1.45;color:#7d8988}
.card-title{border-bottom:1px solid #1f2626;display:flex;align-items:center;gap:10px}
.card-title::before{content:"";width:4px;height:22px;border-radius:2px;background:#4db6ac;flex-shrink:0}
@media (max-width:900px){.stats{grid-template-columns:repeat(2,1fr);gap:10px}.stats>*{padding:14px}.stats b{font-size:22px}.stats span{font-size:13px}.stats small{font-size:12px}}