body.nav-open{overflow:hidden}body{font:400 14px/1.5 var(--font-sans)}h1, h2, h3, h4, h5, h6{font-family:var(--font-sans);color:var(--text);font-weight:600;line-height:1.3;overflow-wrap:anywhere}a{color:var(--text)}a:hover{color:var(--accent)}.site-header, [data-theme] .site-header, .site-header.scrolled, [data-theme] .site-header.scrolled{background:var(--surface);border-bottom:1px solid var(--border);box-shadow:none;backdrop-filter:none}.nav-container{height:56px;padding:0 24px;max-width:1440px}.nav-logo{font-size:18px;font-weight:600}.nav-right{gap:12px}.nav-links{gap:24px}.nav-links a{font-size:14px;font-weight:500;color:var(--text-muted)}.nav-links a.active, .nav-links a[aria-current]{color:var(--text)}.theme-toggle:hover{transform:none;background:var(--bg-elev-2)}.site-footer{background:var(--surface);border-top:1px solid var(--border);padding:40px 24px 24px}.footer-wave{display:none}.footer-content, .footer-bottom{max-width:1200px}.footer-tagline{font-style:normal;font-family:var(--font-sans)}#back-to-top{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:6px;box-shadow:var(--shadow-sm)}.btn-v2, .btn-primary, .btn-outline{min-height:36px;height:auto;padding:8px 16px;border-radius:6px;font:500 14px/20px var(--font-sans);border:1px solid var(--border-strong);box-shadow:none}.btn-v2{background:var(--surface);color:var(--text)}.btn-v2--primary, .btn-primary, .btn-v2--primary:hover, .btn-primary:hover{background:var(--accent);color:var(--accent-foreground)}.btn-v2:hover, .btn-outline:hover{border-color:var(--accent)}.btn-primary::before{display:none}:where(button, input, textarea, select){font-family:var(--font-sans)}:where(input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]), select, textarea){border-radius:6px;color:var(--text);background:var(--surface)}:where(input, select){min-height:36px}:where(input, textarea)::placeholder{color:var(--text-subtle);opacity:1}:where(button, input, select, textarea):disabled{opacity:.55;cursor:not-allowed}.tag-v2{display:inline-flex;align-items:center;min-height:22px;padding:2px 8px;border-radius:4px;background:var(--bg-elev-2);color:var(--text-muted);font-size:12px}.content-card{min-width:0;overflow:hidden;background:var(--surface);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow-sm);transition:border-color var(--transition)}.content-card:hover{border-color:var(--border-strong)}.content-card__cover{display:block;background:var(--bg-elev-2)}.content-card__cover--placeholder{display:grid;place-items:center;aspect-ratio:8/5;font-size:42px;color:var(--text-muted)}.content-card__cover img{display:block;width:100%;aspect-ratio:8/5;object-fit:cover}.content-card__body{min-width:0;padding:20px}.content-card__meta{font-size:12px;color:var(--text-muted);margin-bottom:8px}.content-card h3{font-size:20px;margin:0 0 12px}.content-card__description{color:var(--text-muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}.content-card__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.empty-state{padding:40px 24px;border:1px dashed var(--border-strong);border-radius:8px;text-align:center;color:var(--text-muted)}.empty-state h3{font-size:16px;margin-bottom:8px}.search-modal{background:rgb(0 0 0 / .5)}.search-modal-content{width:min(600px,calc(100% - 32px));max-height:80dvh;overflow-y:auto;background:var(--popover);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow-lg)}.search-box{padding:16px}.search-box input{color:var(--text);font-size:16px}.search-item{border-radius:6px}.search-item:hover{background:var(--bg-elev-2)}.prose{font-size:16px;line-height:1.8}.prose>p:first-of-type::first-letter{float:none;font:inherit;padding:0;margin:0;color:inherit}.prose h2::before{display:none}.prose :where(pre, table){max-width:100%;overflow-x:auto}.prose table{display:block}.prose a{text-decoration:underline;text-underline-offset:3px}.toast-success{background:var(--success-bg);color:var(--success)}.toast-error{background:var(--danger-bg);color:var(--danger)}.toast-warning{background:var(--warning-bg);color:var(--warning)}.toast-info{background:var(--info-bg);color:var(--info)}@media (max-width: 767.98px){.nav-container{padding:0 16px}.nav-right{gap:4px}:where(.theme-toggle,.search-toggle,.nav-toggle,.btn-v2,.btn-primary,.btn-outline){min-height:44px}#site-nav-links .nav-link__en{font-size:18px;font-weight:500;letter-spacing:0}#site-nav-links .nav-link__zh{color:var(--text-muted);font-size:12px}.site-footer{padding-inline:16px}}