.ad-container{display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden;position:relative;border-radius:8px;background:transparent;}.ad-label{font-size:10px;text-transform:uppercase;letter-spacing:0.08em;color:var(--text-secondary);text-align:center;margin-bottom:6px;font-weight:600;}.ad-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;border:1.5px dashed rgba(168,85,247,0.3);border-radius:6px;background:rgba(168,85,247,0.04);color:var(--text-secondary);font-size:12px;font-weight:600;letter-spacing:0.05em;text-align:center;padding:12px;user-select:none;pointer-events:none;}[data-theme="light"] .ad-placeholder{border-color:rgba(124,58,237,0.2);background:rgba(124,58,237,0.03);}.ad-leaderboard{width:100%;max-width:728px;min-height:90px;margin:20px auto;}.ad-leaderboard .ad-placeholder{min-height:90px;max-width:728px;}.ad-banner-wrap{width:100%;background:rgba(168,85,247,0.03);border-top:1px solid rgba(168,85,247,0.1);border-bottom:1px solid rgba(168,85,247,0.1);padding:12px 0;display:flex;justify-content:center;margin:0;}[data-theme="light"] .ad-banner-wrap{background:rgba(124,58,237,0.03);border-color:rgba(124,58,237,0.1);}.ad-sidebar{width:300px;min-height:600px;margin:0 auto;}.ad-sidebar .ad-placeholder{min-height:600px;width:300px;}.ad-in-article{width:100%;max-width:336px;min-height:280px;margin:28px auto;}.ad-in-article .ad-placeholder{min-height:280px;max-width:336px;}.ad-responsive{width:100%;min-height:100px;margin:20px 0;}.ad-responsive .ad-placeholder{min-height:100px;}.ad-sticky-bottom-wrap{position:fixed;bottom:0;left:0;right:0;z-index:800;background:var(--bg-card);border-top:1px solid var(--border-color);display:flex;justify-content:center;align-items:center;padding:4px;min-height:60px;display:none;}@media (max-width:768px){.ad-sticky-bottom-wrap{display:flex;}body.has-sticky-ad{padding-bottom:68px;}}.page-with-sidebar{display:grid;grid-template-columns:1fr 320px;gap:32px;align-items:start;max-width:1200px;margin:0 auto;}@media (max-width:1024px){.page-with-sidebar{grid-template-columns:1fr;}.ad-sidebar{display:none;}}.ad-section{padding:8px 0;display:flex;flex-direction:column;align-items:center;}.breadcrumb{margin:0 0 20px;padding:0;}.breadcrumb ol{list-style:none;display:flex;align-items:center;flex-wrap:wrap;gap:4px;padding:0;margin:0;}.breadcrumb li{display:flex;align-items:center;gap:4px;font-size:13px;color:var(--text-muted);}.breadcrumb a{color:var(--accent-primary);text-decoration:none;transition:opacity 0.2s;}.breadcrumb a:hover{opacity:0.8;text-decoration:underline;}.breadcrumb-sep{color:var(--text-muted);font-size:14px;opacity:0.5;}.breadcrumb [aria-current="page"]{color:var(--text-secondary);font-weight:600;}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;max-width:1100px;margin:0 auto;padding:40px 24px 24px;}@media (max-width:768px){.footer-grid{grid-template-columns:1fr;gap:28px;padding:32px 20px 20px;}}.footer-col h4{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;color:var(--text-muted);margin-bottom:14px;}.footer-col a{display:block;font-size:14px;color:var(--text-secondary);text-decoration:none;margin-bottom:8px;transition:color 0.2s;}.footer-col a:hover{color:var(--accent-primary);}.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}.footer-brand span{font-size:16px;font-weight:800;color:var(--text-main);}.footer-logo{height:28px;width:auto;}.footer-tagline{font-size:13px;color:var(--text-muted);line-height:1.6;margin-bottom:12px;}.footer-contact{font-size:13px;color:var(--text-secondary);}.footer-contact a{display:inline;color:var(--accent-primary);text-decoration:underline;text-underline-offset:3px;margin-bottom:0;}.footer-bottom{border-top:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:18px 24px;max-width:1100px;margin:0 auto;font-size:13px;color:var(--text-muted);}.footer-legal-note a{color:var(--accent-primary);text-decoration:underline;}.footer-legal-note a:hover{text-decoration:underline;}