:root{--bg:#0A0A0A;--bg-card:#161616;--accent:#39FF14;--accent-rgb:57,255,20;--accent-dim:rgba(57,255,20,.15);--text:#FFFFFF;--text-secondary:#A1A1AA;--text-muted:#8E8E97;--border:rgba(255,255,255,.08);--radius:16px;--max-width:1000px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Noto Sans SC,Inter,sans-serif;background:var(--bg);color:var(--text);line-height:1.75;overflow-x:hidden;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}::-moz-selection{background:var(--accent);color:#000}::selection{background:var(--accent);color:#000}a{text-decoration:none;color:inherit}ul,ol{list-style:none}.nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:var(--space-16) var(--gutter);display:flex;align-items:center;justify-content:space-between;background:#0a0a0ad9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.nav-inner{max-width:var(--container-w);margin:0 auto;width:100%;display:flex;align-items:center;justify-content:space-between;gap:var(--space-24)}.nav-logo{font-weight:800;font-size:20px;letter-spacing:-.5px}.nav-logo span{color:var(--accent)}.nav-links{display:flex;gap:36px}.nav-links a{font-size:var(--fs-14);font-weight:500;color:var(--text-secondary);position:relative;transition:color .3s ease;letter-spacing:.08em}.nav-links a:after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--accent);transition:width .3s ease;border-radius:2px}.nav-links a:hover,.nav-links a.active{color:var(--accent)}.nav-links a.active:after,.nav-links a:hover:after{width:100%}.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:4px}.nav-toggle span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.3s}.wrap{max-width:calc(var(--container-w) + var(--gutter) * 2);margin:0 auto;padding:0 var(--gutter)}.page-hero{padding:calc(72px + var(--space-40)) 0 var(--space-40);background:linear-gradient(115deg,#080808,#0a0a0a 45%,#151515);border-bottom:1px solid var(--border)}.crumb{display:flex;align-items:center;gap:var(--space-8);font-size:var(--fs-12);color:var(--text-muted);letter-spacing:.04em;margin-bottom:var(--space-24)}.crumb a:hover{color:var(--accent)}.badge{display:flex;align-items:center;gap:var(--space-12);margin-bottom:var(--space-16)}.badge .line{width:40px;height:2px;background:var(--accent);border-radius:2px}.badge .label{font-family:Inter,sans-serif;font-size:var(--fs-12);font-weight:700;letter-spacing:.16em;color:var(--accent)}.page-hero h1{font-size:var(--fs-48);font-weight:800;line-height:1.2;letter-spacing:.02em;margin-bottom:var(--space-12)}.page-hero .definition{font-size:var(--fs-20);color:var(--text-secondary);line-height:var(--lh-tight);max-width:720px}.page-hero .intro{font-size:var(--fs-16);color:var(--text-secondary);line-height:var(--lh-body);max-width:720px;margin-top:var(--space-24)}.page-hero 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ease;visibility:hidden;border-left:1px solid var(--border)}.nav-links.open{right:0;visibility:visible}.nav-links a{font-size:20px}.nav-toggle{display:flex;z-index:1001}.nav-toggle.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.nav-toggle.open span:nth-child(2){opacity:0}.nav-toggle.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}.wrap{padding:0 24px}.page-hero{padding:calc(64px + var(--space-32)) 0 var(--space-32)}.page-hero h1{font-size:var(--fs-32)}.page-hero .definition{font-size:var(--fs-16)}.page-hero .intro{font-size:var(--fs-14)}.article-grid,.siblings{grid-template-columns:1fr}}@media(max-width:480px){.page-hero h1{font-size:24px}.section-head h2{font-size:var(--fs-20)}}