:root {
    --primary: #867356;
    --primary-light: #b5a58b;
    --primary-dark: #5e5039;
    --accent: #568686;
    --accent-light: #8bb5b4;
    --bg: #f4f2ee;
    --card-bg: #ffffff;
    --text: #3a3226;
    --text-light: #6a6152;
    --border: #ded6c9;
    --warn: #a1442f;
    --code-bg: #f7f5f1;
    --tip-bg: #f1ece2;
    --tip-border: var(--primary-light);
    --warn-bg: #f8ece9;
    --warn-border: var(--warn);
    --info-bg: #e6efee;
    --info-border: var(--accent);
}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--text);margin:0;font-family:'Open Sans',Verdana,Helvetica,sans-serif;font-size:16px;line-height:1.5}
a{color:var(--primary-light);text-decoration:underline;font-weight:bold}a:hover{color:var(--accent-light)}
h1{font:44px 'Cinzel Decorative',Verdana,Helvetica,sans-serif;margin:.3em 0}h2{font:34px 'Raleway',Verdana,Helvetica,sans-serif;margin:.3em 0}h3{font:32px 'Raleway',Verdana,Helvetica,sans-serif;margin:.3em 0;font-variant:small-caps;letter-spacing:-1px}
header{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 100%);box-shadow:0 2px 8px rgba(0,0,0,.2);position:sticky;top:0;z-index:1000}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.header-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;padding:12px 0}
.brand{font:22px 'Cinzel Decorative',Verdana,Helvetica,sans-serif;color:#fff;margin:0;text-decoration:none}
.header-tagline{font-size:.85rem;color:#d8cdbb;margin-top:2px}
.header-search{display:flex;gap:8px;align-items:center}
.header-search input{padding:8px 12px;border:none;border-radius:4px;width:220px}
.btn-accent,.btn-main{display:inline-block;border:none;border-radius:8px;padding:6px 10px;text-decoration:none;cursor:pointer;font-size:14px}
.btn-accent{background:var(--accent);color:#fff}
.btn-main{background:var(--primary);color:#fff}
.breadcrumb-wrap{padding:10px 0;font-size:.8rem}
.breadcrumbs ul{list-style:none;margin:0;padding:0}
.breadcrumbs li{display:inline-block;color:#777}
.breadcrumbs li a{color:var(--primary)}
.main-wrapper{display:grid;grid-template-columns:300px 1fr;gap:24px;padding:0 0 24px}
.sidebar{position:sticky;top:92px;align-self:start;background:var(--card-bg);border:1px solid var(--border);border-radius:8px;padding:16px;margin-top:16px}
.sidebar h3{font:700 .8rem 'Raleway',Verdana,Helvetica,sans-serif;text-transform:uppercase;letter-spacing:1px;color:var(--text-light);margin:0 0 12px;padding-bottom:8px;border-bottom:2px solid var(--accent)}
.sidebar ul{list-style:none;margin:0;padding:0}
.sidebar a{display:block;padding:8px 10px;color:var(--text);text-decoration:none;font-weight:normal;font-size:.85rem;border-radius:4px}
.sidebar a:hover{background:var(--bg);color:var(--primary);text-decoration:none}
.sidebar .sidebar-section{margin-top:16px}
.sidebar .sidebar-num{display:inline-block;width:22px;height:22px;line-height:22px;text-align:center;background:var(--primary);color:white;border-radius:50%;font-size:.75rem;font-weight:700;margin-right:6px}
.content{padding:16px 0 40px;min-width:0}
.content>h1{font-size:2.1rem;color:var(--primary-dark);line-height:1.25;margin-bottom:8px}
.subtitle{font-size:1rem;color:var(--text-light);margin-bottom:20px}
.toc-inline,.section,.issue-card,.faq{background:var(--card-bg);border:1px solid var(--border);border-radius:8px}
.toc-inline{padding:16px 20px;margin-bottom:24px;background:var(--code-bg)}
.toc-inline ol{margin-left:20px;columns:2;column-gap:24px}
.quick-nav{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px;margin-bottom:28px}
.quick-nav a{display:flex;align-items:center;gap:10px;padding:12px 14px;background:var(--card-bg);border:1px solid var(--border);border-radius:6px;text-decoration:none;color:var(--text);font-size:.85rem;font-weight:600}
.quick-nav .qn-num{display:flex;align-items:center;justify-content:center;width:28px;height:28px;background:var(--primary);color:#fff;border-radius:50%;font-size:.8rem;font-weight:700}
.issue-card{padding:24px;margin-bottom:24px;box-shadow:0 1px 3px rgba(0,0,0,.06)}
.issue-card h2{font-size:1.5rem;color:var(--primary-dark);margin:0 0 4px;display:flex;align-items:center;gap:10px}
.issue-badge{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;background:var(--primary);color:#fff;border-radius:50%;font-size:.9rem;font-weight:700}
.issue-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}
.issue-tag{display:inline-block;padding:3px 10px;border-radius:12px;font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px}
.tag-all{background:#efe4cf;color:#8a6a1f}
.tag-voip{background:#eae2f0;color:#6c3483}
.tag-bcm{background:#dcecea;color:#2f6058}
.tag-meridian{background:#f3ded9;color:#8a3c2b}
.callout{border-left:4px solid;padding:12px 16px;margin:14px 0;border-radius:0 6px 6px 0;font-size:.9rem}
.callout strong{display:block;margin-bottom:4px;font-size:.8rem;text-transform:uppercase;letter-spacing:.5px}
.callout-tip{background:var(--tip-bg);border-color:var(--tip-border)}
.callout-warn{background:var(--warn-bg);border-color:var(--warn-border)}
.callout-info{background:var(--info-bg);border-color:var(--info-border)}
.feature-code{display:inline-block;background:var(--code-bg);border:1px solid var(--border);padding:2px 8px;border-radius:4px;font-family:'Courier New',Courier,monospace;font-size:.88rem;font-weight:600;color:var(--primary-dark)}
.divider{height:1px;background:linear-gradient(to right,transparent,var(--border),transparent);margin:32px 0}
.faq{padding:18px;margin-top:18px}
.footer-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;font-size:.82rem;padding:0 0 20px}
.footer-disclaimer {
    font-size: 0.75rem;
    color: #b9ac97;
    margin-top: 8px;
    max-width: 600px;
}
.copyright{text-align:center;color:#fff;background:#000;padding:16px 0}
.colorbox2{width:94%;padding:10px 3%;margin:10px 0;background-color:#557990;color:#fff;box-shadow:inset 0 0 50px #426086,0 10px 20px -10px rgba(0,0,0,.5);border-radius:8px;text-align:center}
@media (max-width:900px){.main-wrapper{grid-template-columns:1fr}.sidebar{position:static}.toc-inline ol{columns:1}.header-search input{width:140px}}
@media (max-width:600px){.header-inner{flex-direction:column;gap:8px}.content>h1{font-size:1.5rem}.issue-card{padding:16px}.quick-nav{grid-template-columns:1fr}.header-search input{width:180px}}