:root{--bg:#0a0b14;--purple:#7c3aed;--purple-light:#a78bfa;--purple-glow:rgba(124,58,237,0.4);--teal:#2dd4bf;--teal-glow:rgba(45,212,191,0.3);--text:#e2e8f0;--muted:#94a3b8;--panel:rgba(14,16,32,0.82);--panel-border:rgba(120,100,220,0.18);--card:rgba(16,18,36,0.92);--radius:14px}*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden;max-width:100%}body{font-family:'Sora',sans-serif;background:var(--bg);color:var(--text);overflow-x:hidden}.gradient-text{background:linear-gradient(135deg,var(--purple-light) 0,var(--teal) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}nav{position:fixed;top:0;left:0;right:0;z-index:200;padding:18px 48px;display:flex;align-items:center;justify-content:space-between;background:rgba(10,11,20,0.92);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);border-bottom:1px solid var(--panel-border)}.nav-logo{display:flex;align-items:center;gap:0;text-decoration:none}.logo-mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--purple),var(--teal));display:flex;align-items:center;justify-content:center;font-size:17px;box-shadow:0 0 18px var(--purple-glow)}.logo-text{font-size:19px;font-weight:800;letter-spacing:-0.3px;background:linear-gradient(135deg,#fff,var(--purple-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.btn-cta-sm{padding:10px 24px;background:linear-gradient(135deg,var(--purple),#5b21b6);border:0;border-radius:50px;color:#fff;font-family:'Sora',sans-serif;font-size:13px;font-weight:700;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:8px;transition:all .25s;box-shadow:0 0 18px var(--purple-glow)}.btn-cta-sm:hover{box-shadow:0 0 0 3px rgba(124,58,237,0.28),0 0 32px rgba(124,58,237,0.55)}.page-wrap{max-width:820px;margin:0 auto;padding:140px 32px 100px}.doc-header{margin-bottom:56px;padding-bottom:40px;border-bottom:1px solid var(--panel-border)}.doc-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(124,58,237,0.12);border:1px solid rgba(124,58,237,0.28);border-radius:50px;padding:6px 16px;font-size:11px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--purple-light);margin-bottom:24px}.doc-title{font-size:clamp(32px,5vw,52px);font-weight:800;letter-spacing:-1px;line-height:1.1;margin-bottom:16px}.doc-meta{font-size:14px;color:var(--muted);display:flex;gap:24px;flex-wrap:wrap}.doc-meta span{display:flex;align-items:center;gap:6px}.toc{background:rgba(14,16,32,0.7);border:1px solid var(--panel-border);border-radius:var(--radius);padding:24px 28px;margin-bottom:52px}.toc-title{font-size:11px;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:var(--purple-light);margin-bottom:16px}.toc ol{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:8px 32px}.toc ol li a{font-size:13px;color:var(--muted);text-decoration:none;transition:color .2s;display:flex;align-items:center;gap:8px}.toc ol li a:hover{color:var(--teal)}.toc-num{font-family:'Space Mono',monospace;font-size:11px;color:rgba(124,58,237,0.6);min-width:22px}.doc-section{margin-bottom:52px;scroll-margin-top:90px}.section-num{font-family:'Space Mono',monospace;font-size:11px;color:var(--teal);letter-spacing:1.5px;margin-bottom:8px;display:block}.section-title{font-size:22px;font-weight:700;letter-spacing:-0.3px;margin-bottom:18px;padding-bottom:12px;border-bottom:1px solid rgba(120,100,220,0.12)}.doc-section p{font-size:15px;line-height:1.8;color:#b8c5d8;margin-bottom:14px}.doc-section p:last-child{margin-bottom:0}.doc-section ul,.doc-section ol{margin:12px 0 18px 0;padding-left:0;list-style:none}.doc-section ul li,.doc-section ol li{font-size:15px;line-height:1.75;color:#b8c5d8;padding:6px 0 6px 22px;position:relative;border-bottom:1px solid rgba(120,100,220,0.06)}.doc-section ul li::before{content:'';position:absolute;left:0;top:15px;width:6px;height:6px;border-radius:50%;background:var(--teal);opacity:.7}.doc-section ol{counter-reset:ol-c}.doc-section ol li{counter-increment:ol-c}.doc-section ol li::before{content:counter(ol-c) '.';position:absolute;left:0;top:6px;font-family:'Space Mono',monospace;font-size:11px;color:var(--purple-light)}.info-block{background:rgba(45,212,191,0.05);border:1px solid rgba(45,212,191,0.18);border-left:3px solid var(--teal);border-radius:10px;padding:16px 20px;margin:20px 0;font-size:14px;color:#94a3b8;line-height:1.7}.warn-block{background:rgba(124,58,237,0.06);border:1px solid rgba(124,58,237,0.2);border-left:3px solid var(--purple);border-radius:10px;padding:16px 20px;margin:20px 0;font-size:14px;color:#94a3b8;line-height:1.7}strong{color:var(--text);font-weight:600}.contact-card{background:rgba(14,16,32,0.9);border:1px solid var(--panel-border);border-radius:var(--radius);padding:28px 32px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:52px}.contact-card-left h3{font-size:17px;font-weight:700;margin-bottom:6px}.contact-card-left p{font-size:14px;color:var(--muted)}.contact-card a{display:inline-flex;align-items:center;gap:8px;padding:11px 26px;border:1px solid rgba(45,212,191,0.3);border-radius:50px;color:var(--teal);font-size:14px;font-weight:600;text-decoration:none;transition:all .25s}.contact-card a:hover{background:rgba(45,212,191,0.08);border-color:var(--teal);box-shadow:0 0 20px var(--teal-glow)}footer{padding:34px 48px;border-top:1px solid var(--panel-border);background:rgba(7,8,16,0.9)}.foot-inner{max-width:1100px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}.foot-logo{font-size:18px;font-weight:800;background:linear-gradient(135deg,var(--purple-light),var(--teal));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.foot-links{display:flex;gap:26px;list-style:none}.foot-links a{font-size:13px;color:var(--muted);text-decoration:none;transition:color .2s}.foot-links a:hover{color:var(--text)}.foot-copy{font-size:12px;color:rgba(148,163,184,0.4)}.back-btn{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:13px;font-weight:500;text-decoration:none;margin-bottom:40px;transition:color .2s}.back-btn:hover{color:var(--text)}.back-btn svg{opacity:.6}#read-progress{position:fixed;top:0;left:0;height:2px;width:0;background:linear-gradient(90deg,var(--purple),var(--teal));z-index:9999;transition:width .1s linear}