:root{--red:#C0392B;--peach:#fdf3f0;--white:#fff;--text:#2a2016;--muted:#7a6e65;--border:#e8e0d8;--bg:#f8f7ff}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Plus Jakarta Sans",sans-serif;color:var(--text);background:#fff}
a{text-decoration:none;color:inherit}
/* nav handled by component */
/* nav styles handled by component */
.layout{display:grid;grid-template-columns:260px 1fr;gap:0;max-width:1100px;margin:0 auto;min-height:80vh}
.sidebar{border-right:1px solid var(--border);padding:32px 20px;position:sticky;top:66px;max-height:calc(100vh - 66px);overflow-y:auto}
.sidebar-title{font-size:0.7rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px;margin-top:20px}
.sidebar-title:first-child{margin-top:0}
.sidebar a{display:block;padding:7px 10px;border-radius:7px;font-size:0.82rem;color:var(--muted);font-weight:500;transition:all .15s;margin-bottom:2px}
.sidebar a:hover{background:var(--peach);color:var(--red)}
.sidebar a.active{background:var(--peach);color:var(--red);font-weight:700}
.sidebar-badge{font-size:0.6rem;font-weight:700;padding:1px 5px;border-radius:4px;margin-left:4px;vertical-align:middle}
.badge-pro{background:#ede9fe;color:#7c3aed}
.badge-premium{background:#fff8f7;color:var(--red)}
.content{padding:40px 48px;max-width:780px}
.breadcrumb{display:flex;align-items:center;gap:6px;font-size:0.78rem;color:var(--muted);margin-bottom:20px}
.breadcrumb a{color:var(--red)}
h1{font-family:"DM Serif Display",serif;font-size:2rem;color:var(--text);margin-bottom:8px;line-height:1.2}
.article-meta{font-size:0.78rem;color:var(--muted);margin-bottom:32px;padding-bottom:20px;border-bottom:1px solid var(--border)}
h2{font-family:"DM Serif Display",serif;font-size:1.35rem;color:var(--text);margin:36px 0 12px;padding-top:8px}
h3{font-size:1rem;font-weight:700;color:var(--text);margin:24px 0 8px}
p{font-size:0.92rem;color:#3a2a1a;line-height:1.8;margin-bottom:14px}
ul,ol{padding-left:20px;margin-bottom:14px}
li{font-size:0.92rem;color:#3a2a1a;line-height:1.8;margin-bottom:4px}
.tip{background:#f0fdf4;border:1.5px solid #bbf7d0;border-radius:10px;padding:14px 16px;margin:16px 0;font-size:0.85rem;color:#166534;line-height:1.7}
.tip strong{color:#15803d}
.warning{background:#fef3c7;border:1.5px solid #fcd34d;border-radius:10px;padding:14px 16px;margin:16px 0;font-size:0.85rem;color:#92400e;line-height:1.7}
.step-box{background:var(--bg);border:1.5px solid var(--border);border-radius:10px;padding:16px 18px;margin:12px 0}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;background:var(--red);color:#fff;border-radius:50%;font-size:0.75rem;font-weight:700;margin-right:8px;flex-shrink:0}
.step-row{display:flex;align-items:flex-start;gap:0;margin-bottom:10px}
.step-row:last-child{margin-bottom:0}
code{background:#f8f7ff;border:1px solid var(--border);border-radius:4px;padding:2px 6px;font-size:0.82rem;font-family:monospace;color:var(--red)}
.nav-links-article{display:flex;justify-content:space-between;margin-top:48px;padding-top:20px;border-top:1px solid var(--border)}
.nav-link-btn{display:inline-flex;align-items:center;gap:6px;font-size:0.82rem;font-weight:600;color:var(--red);padding:8px 14px;border:1px solid var(--border);border-radius:8px}
.mobile-menu-btn{display:none;background:none;border:1px solid var(--border);border-radius:7px;padding:6px 10px;cursor:pointer;font-size:0.82rem;color:var(--text)}
/* footer handled by component */
@media(max-width:768px){
  .layout{grid-template-columns:1fr}
  .sidebar{display:none;position:fixed;top:66px;left:0;width:280px;height:calc(100vh - 66px);background:#fff;z-index:99;box-shadow:4px 0 20px rgba(0,0,0,.1)}
  .sidebar.open{display:block}
  .content{padding:24px 20px}
  .mobile-menu-btn{display:block}
  h1{font-size:1.5rem}
}