.skip-link{position:absolute;top:-100%;left:6px;z-index:9999;padding:8px 16px;background:var(--red,#FB0149);color:#fff;font-family:Sora,sans-serif;font-weight:700;font-size:14px;border-radius:0 0 8px 8px;text-decoration:none;transition:top .15s}.skip-link:focus{top:0}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--ink: #05060E;--ink2: #080a18;--red: #FB0149;--cyan: #38D6FF;--green: #5EF0A0;--text: #eef2fb;--muted: rgba(238,242,251,.62);--dim: rgba(238,242,251,.38);--border: rgba(255,255,255,.09);--border-strong: rgba(255,255,255,.14);--surface: rgba(255,255,255,.035);--surface-hover: rgba(255,255,255,.055)}html{scroll-behavior:smooth}body{background:var(--ink);color:var(--text);font-family:Inter,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}a{color:var(--cyan);text-decoration:none;transition:opacity .15s}a:hover{opacity:.78}.nav{position:fixed;top:0;left:0;right:0;z-index:20;display:flex;align-items:center;padding:16px 6vw;background:#05060ee0;backdrop-filter:blur(20px);border-bottom:1px solid var(--border)}.nav-logo{height:22px}.nav-back{margin-left:auto;font-size:14px;font-weight:500;color:var(--muted);transition:color .2s}.nav-back:hover{color:var(--text)}.page{max-width:860px;margin:0 auto;padding:max(120px,12vh) 6vw 112px}.eyebrow{font-family:JetBrains Mono;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--red);margin-bottom:16px}h1{font-family:Sora;font-weight:800;font-size:clamp(34px,4.2vw,56px);letter-spacing:-.032em;line-height:1.04;margin-bottom:20px}.meta{font-family:JetBrains Mono;font-size:12px;color:var(--dim);letter-spacing:.06em;margin-bottom:48px;display:flex;flex-wrap:wrap;gap:6px 18px}.meta span:before{content:"// ";color:var(--red);opacity:.6}.intro{font-size:16px;color:var(--muted);max-width:660px;margin-bottom:32px;line-height:1.75}.lang-notice{background:#38d6ff0f;border:1px solid rgba(56,214,255,.15);border-radius:10px;padding:14px 18px;margin-bottom:48px;font-size:14px;color:var(--muted)}.lang-notice strong{color:var(--cyan)}.toc{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:28px 32px;margin-bottom:72px}.toc-label{font-family:JetBrains Mono;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--dim);margin-bottom:18px}.toc ol{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:6px 32px}.toc ol li a{font-size:14px;color:var(--muted);transition:color .15s;display:flex;gap:10px}.toc ol li a:hover{color:var(--text);opacity:1}.toc ol li a .num{font-family:JetBrains Mono;font-size:11px;color:var(--red);min-width:22px;padding-top:2px}@media(max-width:560px){.toc ol{grid-template-columns:1fr}}.section{margin-bottom:72px;scroll-margin-top:88px}.section-header{display:flex;align-items:baseline;gap:16px;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--border)}.section-num{font-family:JetBrains Mono;font-size:12px;color:var(--red);letter-spacing:.12em;flex-shrink:0}h2{font-family:Sora;font-weight:700;font-size:clamp(20px,2.4vw,28px);letter-spacing:-.02em;line-height:1.1}h3{font-family:Inter;font-weight:600;font-size:15px;color:var(--text);margin:28px 0 12px}p{font-size:15px;color:var(--muted);margin-bottom:16px}p:last-child{margin-bottom:0}ul,ol{padding-left:20px;margin-bottom:16px}ul li,ol li{font-size:15px;color:var(--muted);margin-bottom:6px}strong{color:var(--text);font-weight:600}.table-wrap{overflow-x:auto;margin:24px 0 8px;border-radius:12px;border:1px solid var(--border)}table{width:100%;border-collapse:collapse;font-size:13.5px}thead tr{background:#fb014912;border-bottom:1px solid var(--border-strong)}thead th{padding:12px 16px;text-align:left;font-family:JetBrains Mono;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);white-space:nowrap}tbody tr{border-bottom:1px solid var(--border);transition:background .15s}tbody tr:last-child{border-bottom:none}tbody tr:hover{background:var(--surface-hover)}tbody td{padding:12px 16px;color:var(--muted);vertical-align:top;line-height:1.55}tbody td:first-child{color:var(--text);font-weight:500;font-family:JetBrains Mono;font-size:12px}.badge{display:inline-block;font-family:JetBrains Mono;font-size:10.5px;letter-spacing:.06em;border-radius:4px;padding:2px 7px;white-space:nowrap}.badge-essential{background:#5ef0a01a;color:var(--green)}.badge-analytics{background:#38d6ff1a;color:var(--cyan)}.badge-marketing{background:#fb01491f;color:var(--red)}.note{background:#38d6ff0f;border:1px solid rgba(56,214,255,.15);border-radius:10px;padding:16px 20px;margin:20px 0;font-size:14px;color:var(--muted)}.note strong{color:var(--cyan)}.contact-card{background:var(--surface);border:1px solid var(--border-strong);border-radius:16px;padding:32px 36px;margin-top:32px}.contact-grid{display:grid;grid-template-columns:auto 1fr;gap:10px 24px}.contact-label{font-family:JetBrains Mono;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim);padding-top:2px}.contact-val{font-size:15px;color:var(--muted)}.contact-val a{color:var(--cyan)}