@charset "UTF-8";:root{--color-primary:#2563eb;--color-primary-dark:#1d4ed8;--color-primary-light:#dbeafe;--color-accent:#7c3aed;--color-accent-light:#ede9fe;--color-text:#1e293b;--color-text-light:#64748b;--color-bg:#ffffff;--color-bg-soft:#f8fafc;--color-border:#e2e8f0;--color-success:#16a34a;--color-warning:#d97706;--color-danger:#dc2626;--radius:10px;--radius-sm:6px;--radius-lg:16px;--radius-xl:22px;--gradient-primary:linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);--gradient-primary-soft:linear-gradient(135deg, #dbeafe 0%, #ede9fe 100%);--gradient-text:linear-gradient(135deg, #2563eb 0%, #7c3aed 50%, #db2777 100%);--shadow-sm:0 1px 2px rgba(0, 0, 0, 0.05);--shadow:0 4px 12px rgba(0, 0, 0, 0.08);--shadow-lg:0 8px 24px rgba(0, 0, 0, 0.1);--shadow-glow:0 8px 32px rgba(37, 99, 235, 0.18);--shadow-card-hover:0 12px 28px rgba(37, 99, 235, 0.15);--container:1140px;--space:1rem;--ease-out:cubic-bezier(0.16, 1, 0.3, 1)}*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,segoe ui,pingfang sc,microsoft yahei,helvetica neue,Arial,sans-serif;font-size:16px;line-height:1.7;color:var(--color-text);background:var(--color-bg)}h1,h2,h3,h4{line-height:1.3;margin:1.5em 0 .6em;font-weight:700}h1{font-size:clamp(1.5rem,4vw,2.2rem)}h2{font-size:clamp(1.25rem,3vw,1.6rem)}h3{font-size:1.2rem}p{margin:0 0 1em}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}code{background:var(--color-bg-soft);padding:.1em .4em;border-radius:4px;font-size:.9em}pre{background:#1e293b;color:#e2e8f0;padding:1em;border-radius:var(--radius-sm);overflow-x:auto}pre code{background:0 0;padding:0}.container{max-width:var(--container);margin:0 auto;padding:0 1rem}.site-main{min-height:60vh;padding:1.5rem 0 3rem}.skip-link{position:absolute;left:-9999px;top:0;z-index:100;background:var(--color-primary);color:#fff;padding:.5rem 1rem}.skip-link:focus{left:0}.site-header{position:sticky;top:0;z-index:50;background:var(--color-bg);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-sm)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:60px;gap:1rem}.logo{display:flex;align-items:center;gap:.5rem;font-weight:700;font-size:1.2rem;color:var(--color-text);white-space:nowrap;flex-shrink:0}.logo-icon{color:var(--color-primary);font-size:1.4rem}.primary-nav{flex-shrink:1;min-width:0;overflow:hidden}.primary-nav ul{display:flex;gap:.15rem;list-style:none;margin:0;padding:0;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}.primary-nav ul::-webkit-scrollbar{display:none}.primary-nav a{display:flex;align-items:center;gap:.3rem;padding:.5rem .6rem;border-radius:var(--radius-sm);color:var(--color-text);font-size:.9rem;white-space:nowrap;flex-shrink:0}.primary-nav a:hover{background:var(--color-bg-soft);text-decoration:none}.primary-nav a.active{color:var(--color-primary);background:var(--color-primary-light)}.nav-toggle{display:none;background:0 0;border:none;font-size:1.4rem;cursor:pointer;color:var(--color-text)}.hero{position:relative;background:var(--gradient-primary-soft);padding:4rem 0 3.5rem;text-align:center;border-bottom:1px solid var(--color-border);overflow:hidden}.hero::before,.hero::after{content:'';position:absolute;border-radius:50%;filter:blur(60px);opacity:.5;z-index:0;pointer-events:none}.hero::before{width:320px;height:320px;top:-120px;left:-80px;background:radial-gradient(circle,#93c5fd,transparent 70%)}.hero::after{width:380px;height:380px;bottom:-160px;right:-100px;background:radial-gradient(circle,#c4b5fd,transparent 70%)}.hero .container{position:relative;z-index:1}.hero h1{margin-top:0;background:var(--gradient-text);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.hero-sub{display:block;font-size:.95rem;color:var(--color-text-light);font-weight:400;margin-top:.5rem}.hero-desc{color:var(--color-text-light);max-width:700px;margin:1rem auto 0}.search-box{position:relative;max-width:600px;margin:1.75rem auto 0;display:flex;align-items:center}.search-box i{position:absolute;left:1.2rem;color:var(--color-primary);z-index:1}.search-box input{width:100%;padding:.95rem 1rem .95rem 2.9rem;border:1px solid rgba(255,255,255,.7);border-radius:50px;font-size:1rem;box-shadow:var(--shadow);background:rgba(255,255,255,.85);backdrop-filter:blur(8px);transition:all .25s var(--ease-out)}.search-box input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 4px rgba(37,99,235,.15),var(--shadow);background:#fff}.search-results{position:absolute;top:110%;left:0;right:0;background:#fff;border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow-lg);max-height:320px;overflow-y:auto;z-index:20;text-align:left}.search-results a{display:block;padding:.7rem 1rem;color:var(--color-text);border-bottom:1px solid var(--color-border)}.search-results a:hover{background:var(--color-bg-soft);text-decoration:none}.search-results .empty{padding:1rem;color:var(--color-text-light)}.section-title{font-size:1.4rem;margin:2.5rem 0 1rem;padding-bottom:.5rem;border-bottom:2px solid var(--color-primary-light)}.breadcrumb{font-size:.85rem;color:var(--color-text-light);display:flex;align-items:center;gap:.4rem;flex-wrap:wrap;margin-bottom:1rem}.breadcrumb .sep{font-size:.7rem}.page-header{margin-bottom:1.5rem}.page-header h1{margin-top:0}.page-desc{color:var(--color-text-light);font-size:1.05rem}.grid{display:grid;gap:1rem}.grid-cards{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}.card{display:flex;flex-direction:column;gap:.5rem;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius);padding:1.2rem;text-decoration:none;color:var(--color-text);transition:all .25s var(--ease-out)}.card:hover{border-color:var(--color-primary);box-shadow:var(--shadow-card-hover);transform:translateY(-4px);text-decoration:none}.card-category{align-items:center;text-align:center}.card-icon{font-size:1.8rem;color:var(--color-primary)}.card-name{font-weight:600}.card-desc{font-size:.85rem;color:var(--color-text-light)}.card-tool{flex-direction:row;align-items:center;position:relative}.card-tool .card-icon{font-size:1.4rem}.card-tool .card-body{display:flex;flex-direction:column;gap:.15rem;flex:1}.card-tag{font-size:.7rem;color:var(--color-primary);background:var(--color-primary-light);padding:.15rem .5rem;border-radius:20px;text-transform:uppercase}.card-tool .card-icon,.card-category .card-icon{width:48px;height:48px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;background:var(--gradient-primary-soft);color:var(--color-primary);flex-shrink:0}.card-category .card-icon{width:56px;height:56px;font-size:1.5rem;border-radius:14px}.card-badge{position:absolute;top:.6rem;right:.6rem;font-size:.68rem;font-weight:700;padding:.12rem .5rem;border-radius:10px;line-height:1.4}.card-badge.hot{background:#fee2e2;color:#b91c1c}.card-badge.new{background:#dcfce7;color:#15803d}.stats-band{display:flex;justify-content:center;gap:.5rem;flex-wrap:wrap;max-width:var(--container);margin:-2.5rem auto 0;padding:0 1rem;position:relative;z-index:5}.stat-item{flex:1;min-width:140px;max-width:240px;background:#fff;border:1px solid var(--color-border);border-radius:var(--radius);padding:1.1rem .8rem;text-align:center;box-shadow:var(--shadow);transition:transform .25s var(--ease-out)}.stat-item:hover{transform:translateY(-3px)}.stat-num{font-size:1.7rem;font-weight:800;line-height:1.1;background:var(--gradient-text);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.stat-label{font-size:.82rem;color:var(--color-text-light);margin-top:.2rem}.trust-banner{display:flex;justify-content:center;gap:1.5rem;flex-wrap:wrap;background:linear-gradient(135deg,#ecfdf5,#f0fdf4);border:1px solid #a7f3d0;border-radius:var(--radius-lg);padding:1.2rem 1.5rem;margin:2rem 0}.trust-item{display:flex;align-items:center;gap:.5rem;font-size:.95rem;color:#065f46;font-weight:500}.trust-item i{font-size:1.15rem;color:var(--color-success)}.cat-big-grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}.cat-big-card{display:flex;flex-direction:column;align-items:center;gap:.6rem;background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.6rem 1rem;text-decoration:none;color:var(--color-text);transition:all .3s var(--ease-out);position:relative;overflow:hidden}.cat-big-card::before{content:'';position:absolute;inset:0;background:var(--gradient-primary-soft);opacity:0;transition:opacity .3s}.cat-big-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-card-hover);border-color:var(--color-primary);text-decoration:none}.cat-big-card:hover::before{opacity:1}.cat-big-card>*{position:relative;z-index:1}.cat-big-icon{width:64px;height:64px;border-radius:18px;display:inline-flex;align-items:center;justify-content:center;font-size:1.8rem;color:#fff;background:var(--gradient-primary);box-shadow:0 6px 16px rgba(37,99,235,.25)}.cat-big-name{font-size:1.05rem;font-weight:700}.cat-big-count{font-size:.78rem;color:var(--color-text-light);background:var(--color-bg-soft);padding:.15rem .7rem;border-radius:20px}.privacy-banner{display:flex;align-items:center;gap:.6rem;background:#ecfdf5;border:1px solid #a7f3d0;border-radius:var(--radius);padding:.8rem 1rem;margin-bottom:1.5rem;font-size:.9rem;color:#065f46}.privacy-banner i{color:var(--color-success);font-size:1.1rem}.tool-container{max-width:880px}.tool-content{margin-top:1rem}.tool-loading{padding:2rem;text-align:center;color:var(--color-text-light)}.tool-noscript{padding:1rem;background:#fef3c7;border-radius:var(--radius);color:#92400e}.tool-root{background:var(--color-bg-soft);border:1px solid var(--color-border);border-radius:var(--radius);padding:1.5rem;margin-bottom:2rem}.tool-form{display:grid;gap:1rem}@media(min-width:640px){.tool-form.two-col{grid-template-columns:1fr 1fr}}.tool-field{display:flex;flex-direction:column;gap:.35rem}.tool-field label{font-size:.9rem;font-weight:500}.tool-field input,.tool-field select{padding:.65rem .8rem;border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:1rem;background:#fff}.tool-field input:focus,.tool-field select:focus{outline:2px solid var(--color-primary);border-color:transparent}.tool-field .hint{font-size:.78rem;color:var(--color-text-light)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.75rem 1.5rem;border:none;border-radius:var(--radius-sm);font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s}.btn-primary{background:var(--gradient-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark);box-shadow:0 6px 18px rgba(37,99,235,.35);transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--color-bg-soft);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-border)}.tool-actions{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:.5rem;align-items:center}.json-tool{display:flex;flex-direction:column;gap:1rem}.md-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}@media(max-width:768px){.md-grid{grid-template-columns:1fr}}.md-pane{display:flex;flex-direction:column;gap:.5rem}.md-pane-title{font-size:.9rem;font-weight:600;color:var(--color-text-light);display:flex;align-items:center;gap:.4rem}.md-editor{min-height:420px}.md-preview{min-height:420px;background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:1rem;overflow-y:auto;max-height:600px}.md-preview:empty::before{content:'预览区域';color:var(--color-text-light)}.md-preview pre{font-size:.85rem}.md-preview table{font-size:.9rem}.code-input,.code-output{display:block;width:100%;box-sizing:border-box;padding:.85rem 1rem;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:#fff;color:var(--color-text);font-family:sfmono-regular,cascadia code,Consolas,liberation mono,Menlo,monospace;font-size:.92rem;line-height:1.6;resize:vertical;min-height:8rem}.code-input:focus,.code-output:focus{outline:2px solid var(--color-primary);border-color:transparent}.code-output{background:var(--color-bg-soft)}.json-status{font-size:.9rem;min-height:1.4em}.tool-result{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius);padding:1.2rem;margin-top:1.5rem}.tool-result.hidden{display:none}.result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1rem;margin-bottom:1rem}.result-card{background:var(--color-primary-light);border-radius:var(--radius-sm);padding:1rem;text-align:center}.result-card .label{font-size:.8rem;color:var(--color-text-light)}.result-card .value{font-size:1.4rem;font-weight:700;color:var(--color-primary);margin-top:.25rem}.result-card.highlight .value{color:var(--color-danger)}.detail-list{margin-top:1rem;background:#fff;border-radius:var(--radius-sm);padding:.3rem 1rem}.detail-row{display:flex;justify-content:space-between;gap:1rem;padding:.55rem 0;border-bottom:1px solid var(--color-border);font-size:.92rem}.detail-row:last-child{border-bottom:none}.detail-label{color:var(--color-text-light);flex-shrink:0}.detail-value{font-weight:600;text-align:right;word-break:break-all}.table-wrap{overflow-x:auto;margin-top:1rem}.result-table{width:100%;border-collapse:collapse;font-size:.88rem}.result-table th,.result-table td{padding:.55rem .7rem;border-bottom:1px solid var(--color-border);text-align:right}.result-table th{background:var(--color-bg-soft);font-weight:600;text-align:right;position:sticky;top:0}.result-table td:nth-child(1),.result-table th:nth-child(1){text-align:center}.result-table tr:hover td{background:var(--color-primary-light)}.table-foot{margin-top:.8rem;font-size:.85rem;color:var(--color-text-light)}.prose{font-size:1rem;line-height:1.8}.prose h2{margin-top:2rem}.prose ul,.prose ol{padding-left:1.5em}.prose table{width:100%;border-collapse:collapse;margin:1rem 0}.prose table th,.prose table td{border:1px solid var(--color-border);padding:.5rem .75rem}.field-label{font-size:.9rem;font-weight:600;display:block;margin-bottom:.35rem;margin-top:.5rem}.result-label{font-size:.9rem;font-weight:600;color:var(--color-text-light);margin-bottom:.6rem}.summary-output{background:#fff;border-left:3px solid var(--color-primary);padding:.8rem 1rem;line-height:1.8;font-size:.98rem;border-radius:var(--radius-sm);white-space:pre-wrap}.metric-desc{font-size:.75rem;color:var(--color-text-light);margin-top:.4rem;line-height:1.4}.kw-box{margin-top:1rem;display:flex;flex-wrap:wrap;gap:.4rem;align-items:center}.kw-label{font-size:.85rem;color:var(--color-text-light)}.kw-cloud{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;margin-bottom:1.2rem}.kw-tag{display:inline-block;padding:.25rem .7rem;border-radius:20px;background:var(--color-primary-light);color:var(--color-primary-dark);font-size:.9rem;cursor:default;transition:all .15s}.kw-rank-hi{background:var(--color-primary);color:#fff;font-weight:600}.kw-rank-lo{background:var(--color-bg-soft);color:var(--color-text);border:1px solid var(--color-border)}.freq-bar{height:8px;background:var(--color-primary);border-radius:4px;min-width:4px;max-width:100px}.sentiment-gauge{display:flex;align-items:center;gap:1rem;margin-bottom:1rem;flex-wrap:wrap}.sentiment-tag{color:#fff;padding:.3rem 1rem;border-radius:20px;font-weight:700;font-size:1rem}.sentiment-bar{flex:1;min-width:200px;height:10px;background:var(--color-border);border-radius:5px;overflow:hidden}.sentiment-fill{height:100%;transition:width .4s}.sentiment-score{font-size:.85rem;color:var(--color-text-light);white-space:nowrap}.sim-hero{text-align:center;border:2px solid;border-radius:var(--radius);padding:1.5rem;margin-bottom:1.2rem}.sim-big{font-size:2.5rem;font-weight:800}.sim-verdict{font-size:1rem;color:var(--color-text-light);margin-top:.3rem}.wc-detail{margin-top:1.2rem}.wc-detail-list{background:#fff;border-radius:var(--radius-sm);padding:.5rem 1rem}.wc-row{display:flex;justify-content:space-between;padding:.45rem 0;border-bottom:1px solid var(--color-border)}.wc-row:last-child{border-bottom:none}.wc-row-label{color:var(--color-text-light);font-size:.9rem}.wc-row-val{font-weight:600;font-size:.9rem}.palette-tool{display:flex;flex-direction:column;gap:1.2rem}.palette-ctrl{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}.palette-ctrl label{font-size:.9rem;font-weight:500;white-space:nowrap}.palette-ctrl select{padding:.5rem;border:1px solid var(--color-border);border-radius:var(--radius-sm)}.palette-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:.8rem}.palette-card{border-radius:var(--radius);padding:1rem;min-height:100px;display:flex;flex-direction:column;justify-content:space-between;cursor:pointer;transition:transform .15s}.palette-card:hover{transform:translateY(-3px)}.palette-hex{font-family:monospace;font-size:.95rem;font-weight:700}.palette-copy{align-self:flex-start;background:0 0;border:1px solid;border-radius:4px;padding:.15rem .6rem;font-size:.78rem;cursor:pointer}.contrast-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:.6rem}.contrast-row{display:flex;align-items:center;gap:.7rem;padding:.5rem;border:1px solid var(--color-border);border-radius:var(--radius-sm)}.contrast-sw{width:44px;height:44px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}.contrast-hex{font-family:monospace;font-size:.85rem;font-weight:600}.contrast-val{font-size:.78rem;color:var(--color-text-light)}.gen-item{padding:.8rem 1rem;border:1px solid var(--color-border);border-radius:var(--radius-sm);margin-bottom:.5rem;cursor:pointer;transition:all .15s;line-height:1.7}.gen-item:hover{border-color:var(--color-primary);background:var(--color-primary-light)}.gen-item.copied{border-color:var(--color-success);background:#ecfdf5}.prompt-tool{display:flex;flex-direction:column;gap:1rem}.prompt-bar{margin-bottom:.8rem}.prompt-out{margin:0;max-height:400px;overflow-y:auto}.prompt-out code{font-size:.88rem;line-height:1.7}.ai-dir-tool{display:flex;flex-direction:column;gap:1rem}.ai-dir-search{display:flex;align-items:center;gap:.8rem;flex-wrap:wrap}.ai-dir-input{flex:1;min-width:200px;padding:.7rem 1rem;border:1px solid var(--color-border);border-radius:50px;font-size:1rem}.ai-dir-input:focus{outline:2px solid var(--color-primary);border-color:transparent}.ai-dir-count{font-size:.85rem;color:var(--color-text-light);white-space:nowrap}.ai-dir-cats{display:flex;gap:.5rem;flex-wrap:wrap}.ai-dir-cat{padding:.4rem .9rem;border:1px solid var(--color-border);border-radius:20px;background:#fff;color:var(--color-text);font-size:.88rem;cursor:pointer;transition:all .15s}.ai-dir-cat:hover{border-color:var(--color-primary);color:var(--color-primary)}.ai-dir-cat.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.ai-dir-grid{display:grid;gap:.9rem;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}.ai-dir-card{display:flex;flex-direction:column;gap:.5rem;background:#fff;border:1px solid var(--color-border);border-radius:var(--radius);padding:1.1rem;text-decoration:none;color:var(--color-text);transition:all .18s;position:relative}.ai-dir-card:hover{border-color:var(--color-primary);box-shadow:var(--shadow);transform:translateY(-2px);text-decoration:none}.ai-dir-card.hot{border-color:var(--color-warning)}.ai-dir-card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:.5rem}.ai-dir-card-name{font-size:1.05rem;font-weight:700}.ai-dir-badges{display:flex;gap:.3rem;flex-shrink:0}.badge-hot{background:#fee2e2;color:#b91c1c;font-size:.7rem;padding:.1rem .45rem;border-radius:10px;font-weight:600}.badge-free{background:#dcfce7;color:#15803d;font-size:.7rem;padding:.1rem .45rem;border-radius:10px;font-weight:600}.ai-dir-card-desc{font-size:.86rem;color:var(--color-text-light);line-height:1.55;margin:0;flex:1}.ai-dir-card-tags{display:flex;gap:.3rem;flex-wrap:wrap}.ai-dir-mini-tag{font-size:.72rem;color:var(--color-text-light);background:var(--color-bg-soft);padding:.1rem .45rem;border-radius:4px}.ai-dir-visit{font-size:.82rem;color:var(--color-primary);margin-top:.3rem}.ai-dir-empty{grid-column:1/-1;text-align:center;padding:2rem;color:var(--color-text-light)}.ai-dir-note{font-size:.82rem;color:var(--color-text-light);margin:.5rem 0 0;display:flex;gap:.5rem;align-items:flex-start;line-height:1.6}.ai-dir-note i{color:var(--color-primary);margin-top:.2em}.pdf2img-tool{display:flex;flex-direction:column;gap:1rem}.drop-zone{border:2px dashed var(--color-border);border-radius:var(--radius);padding:2.5rem 1rem;text-align:center;cursor:pointer;transition:all .18s;background:#fff;color:var(--color-text-light)}.drop-zone:hover{border-color:var(--color-primary);background:var(--color-primary-light)}.drop-zone.drag{border-color:var(--color-primary);background:var(--color-primary-light)}.drop-zone i{font-size:2.4rem;color:var(--color-primary);display:block;margin-bottom:.6rem}.drop-zone p{margin:0 0 .3rem;font-size:1rem;color:var(--color-text)}.drop-hint{font-size:.82rem;color:var(--color-text-light)}.p2i-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem}.p2i-progress{font-size:.9rem;padding:.6rem 0}.p2i-result{display:grid;gap:.9rem;grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}.p2i-card{border:1px solid var(--color-border);border-radius:var(--radius);overflow:hidden;background:#fff}.p2i-card img{width:100%;height:200px;object-fit:contain;background:#f1f5f9;display:block}.p2i-card-info{display:flex;justify-content:space-between;align-items:center;padding:.5rem .8rem}.p2i-card-info span{font-size:.85rem;color:var(--color-text-light)}.p2i-dl{padding:.3rem .8rem;font-size:.82rem}.callout{display:flex;gap:.75rem;padding:1rem 1.2rem;border-radius:var(--radius);margin:1.5rem 0;border-left:4px solid}.callout i{margin-top:.2em}.callout-summary{background:#fef9c3;border-color:var(--color-warning);color:#713f12}.callout-tip{background:#ecfdf5;border-color:var(--color-success);color:#065f46}.callout-info{background:var(--color-primary-light);border-color:var(--color-primary);color:#1e3a8a}.callout-warning{background:#fee2e2;border-color:var(--color-danger);color:#7f1d1d}.faq-item{border:1px solid var(--color-border);border-radius:var(--radius-sm);margin-bottom:.6rem;padding:0 1rem;background:#fff}.faq-item summary{cursor:pointer;padding:.9rem 0;font-weight:600;list-style:none;display:flex;justify-content:space-between;align-items:center}.faq-item summary::after{content:"+";font-size:1.3rem;color:var(--color-text-light)}.faq-item[open] summary::after{content:"−"}.faq-answer{padding:0 0 1rem;color:var(--color-text)}.related-section{margin-top:2.5rem}.related-guides-list{list-style:none;padding:0}.related-guides-list li{padding:.5rem 0;border-bottom:1px dashed var(--color-border)}.ad-placeholder{display:flex;align-items:center;justify-content:center;min-height:90px;border:1px dashed var(--color-border);border-radius:var(--radius);color:var(--color-text-light);font-size:.85rem;background:var(--color-bg-soft)}.article-item{padding:1.2rem 0;border-bottom:1px solid var(--color-border)}.article-item h2{margin:0 0 .3rem;font-size:1.2rem}.article-meta{color:var(--color-text-light);font-size:.85rem;margin:0 0 .4rem}.pagination{display:flex;justify-content:center;gap:.5rem;margin:2rem 0;flex-wrap:wrap}.page-link{padding:.5rem .9rem;border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text)}.page-link:hover{background:var(--color-bg-soft);text-decoration:none}.page-link.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.site-footer{background:#1e293b;color:#cbd5e1;margin-top:3rem}.footer-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:2rem;padding:2.5rem 1rem;max-width:var(--container);margin:0 auto}.footer-brand a{color:#fff;font-size:1.2rem;font-weight:700}.footer-brand p{font-size:.85rem;color:#94a3b8;max-width:360px}.footer-nav ul{list-style:none;padding:0;margin:0}.footer-nav li{margin-bottom:.5rem}.footer-nav a{color:#cbd5e1;font-size:.9rem}.footer-nav a:hover{color:#fff}.footer-bottom{border-top:1px solid #334155;padding:1rem;text-align:center;font-size:.82rem;color:#94a3b8}@media(max-width:1024px){.nav-toggle{display:block}.primary-nav{position:fixed;top:60px;left:0;right:0;background:#fff;border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-lg);padding:1rem;transform:translateY(-150%);transition:transform .3s;z-index:40;overflow:visible}.primary-nav.open{transform:translateY(0)}.primary-nav ul{flex-direction:column;gap:0;overflow:visible}.primary-nav a{padding:.8rem;border-radius:0;font-size:1rem}}@media(max-width:768px){.footer-inner{flex-direction:column}.grid-cards{grid-template-columns:1fr 1fr}}@media(max-width:480px){.grid-cards{grid-template-columns:1fr}.card-tool{flex-direction:row}}