.blog-hero{padding:7rem 0 3rem;background:linear-gradient(135deg,#f8fafc 0%,#e2e8f0 100%)}
.blog-hero .w{max-width:50rem}
.blog-hero .cat{display:inline-block;background:var(--p);color:#fff;padding:.25rem .75rem;border-radius:999px;font-size:.75rem;font-weight:500;margin-bottom:1rem}
.blog-hero h1{font-size:2.5rem;line-height:1.3;margin-bottom:1.5rem}
.blog-hero .meta{display:flex;align-items:center;gap:1rem}
.blog-hero .meta img{width:3rem;height:3rem;border-radius:50%;object-fit:cover}
.blog-hero .meta .info div{font-size:1rem;margin:0 0 .25rem}
.blog-hero .meta .info span{font-size:.875rem;color:var(--tx2)}
.article{padding:3rem 0 5rem}
.article .w{max-width:50rem}
.article .featured{margin:0 0 2rem}
.article .featured img{width:100%;border-radius:var(--r);aspect-ratio:16/9;object-fit:cover;display:block}
.article .featured figcaption{font-size:.875rem;color:var(--tx2);text-align:center;margin-top:.75rem;font-style:italic}
.article .content{font-size:1.0625rem;line-height:1.8;color:var(--tx)}
.article .content p{margin-bottom:1.5rem}
.article .content h2{font-size:1.75rem;margin:2.5rem 0 1rem;color:var(--tx)}
.article .content h3{font-size:1.25rem;margin:2rem 0 .75rem;color:var(--tx)}
.article .content ul,.article .content ol{margin:1.5rem 0;padding-left:1.5rem}
.article .content li{margin-bottom:.75rem}
.article .content blockquote{border-left:4px solid var(--p);padding:1rem 1.5rem;background:var(--sf);margin:2rem 0;border-radius:0 var(--r) var(--r) 0}
.article .content blockquote p{margin:0;font-style:italic;color:var(--tx2)}
.article .content a{color:var(--p);text-decoration:underline}
.article .content strong{color:var(--tx)}
.info-card{background:#fff;border:1px solid var(--bd);border-radius:var(--r);padding:1.5rem;margin:1.5rem 0}
.info-card h3{margin:0 0 1rem;font-size:1.125rem;color:var(--p)}
.info-card ul{margin:0;padding-left:1.25rem}
.info-card li{margin-bottom:.5rem;color:var(--tx2)}
.pros-cons{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin:2rem 0}
.pros-cons .box{padding:1.5rem;border-radius:var(--r)}
.pros-cons .pros{background:#dcfce7;border:1px solid #86efac}
.pros-cons .cons{background:#fee2e2;border:1px solid #fca5a5}
.pros-cons h3{margin:0 0 1rem;font-size:1rem}
.pros-cons .pros h4{color:#166534}
.pros-cons .cons h4{color:#991b1b}
.pros-cons ul{margin:0;padding-left:1.25rem}
.pros-cons li{margin-bottom:.5rem;font-size:.9375rem}
.study-box{background:var(--sf);border-left:4px solid var(--p);padding:1.25rem 1.5rem;margin:1.5rem 0;border-radius:0 var(--r) var(--r) 0}
.study-box .source{font-size:.875rem;color:var(--p);font-weight:500;margin-bottom:.5rem}
.study-box p{margin:0;font-size:.9375rem;color:var(--tx2)}
.author-box{background:var(--sf);border-radius:var(--r);padding:2rem;margin:3rem 0;display:flex;gap:1.5rem;align-items:center}
.author-box img{width:5rem;height:5rem;border-radius:50%;object-fit:cover;flex-shrink:0}
.author-box .info div{font-size:1.125rem;margin:0 0 .25rem}
.author-box .info .role{font-size:.875rem;color:var(--p);margin-bottom:.5rem}
.author-box .info p{margin:0;font-size:.9375rem;color:var(--tx2);line-height:1.6}
.share-box{display:flex;align-items:center;gap:1rem;padding:1.5rem 0;border-top:1px solid var(--bd);border-bottom:1px solid var(--bd);margin:2rem 0}
.share-box span{font-weight:500;color:var(--tx2)}
.share-box a{width:2.5rem;height:2.5rem;border-radius:50%;background:var(--sf);display:flex;align-items:center;justify-content:center;color:var(--tx2);transition:all .2s}
.share-box a:hover{background:var(--p);color:#fff}
.toc{background:#fff;border:1px solid var(--bd);border-radius:var(--r);padding:1.5rem;margin-bottom:2rem}
.toc div{margin:0 0 1rem;font-size:1rem}
.toc ol{margin:0;padding-left:1.25rem}
.toc li{margin-bottom:.5rem;font-size:.9375rem}
.toc a{color:var(--tx2);text-decoration:none}
.toc a:hover{color:var(--p)}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin:2rem 0}
.stat-grid .stat{background:var(--sf);padding:1.5rem;border-radius:var(--r);text-align:center}
.stat-grid .stat .num{font-size:2.5rem;font-weight:700;color:var(--p);line-height:1}
.stat-grid .stat .label{font-size:.875rem;color:var(--tx2);margin-top:.5rem}
.factor-card{background:#fff;border:1px solid var(--bd);border-radius:var(--r);padding:1.5rem;margin:1.5rem 0;display:flex;gap:1.5rem;align-items:flex-start}
.factor-card .icon{width:3rem;height:3rem;border-radius:var(--r);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.factor-card .icon.nature{background:#dbeafe;color:#3b82f6}
.factor-card .icon.nurture{background:#dcfce7;color:#22c55e}
.factor-card .info h3{margin:0 0 .5rem;font-size:1.125rem}
.factor-card .info p{margin:0;color:var(--tx2);font-size:.9375rem;line-height:1.6}
.comparison-table{width:100%;border-collapse:collapse;margin:2rem 0}
.comparison-table th,.comparison-table td{padding:1rem;text-align:left;border-bottom:1px solid var(--bd)}
.comparison-table th{background:var(--sf);font-weight:500}
.comparison-table td{color:var(--tx2)}
.comparison-table tr:last-child td{border-bottom:none}
.stat-box{background:linear-gradient(135deg,#f0f9ff 0%,#e0f2fe 100%);border:1px solid #bae6fd;border-radius:var(--r);padding:1.5rem;margin:2rem 0;text-align:center}
.stat-box .number{font-size:3rem;font-weight:700;color:var(--p);display:block}
.stat-box .label{font-size:1rem;color:#0c4a6e}
.key-point{background:#fff;border:1px solid var(--bd);border-radius:var(--r);padding:1.5rem;margin:1.5rem 0;display:flex;gap:1rem;align-items:flex-start}
.key-point .icon{width:2.5rem;height:2.5rem;background:var(--sf);border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--p)}
.key-point .text h3{margin:0 0 .5rem;font-size:1rem}
.key-point .text p{margin:0;color:var(--tx2);font-size:.9375rem}
.sleep-stages{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin:2rem 0}
.sleep-stages .stage{padding:1.25rem;border-radius:var(--r);text-align:center}
.sleep-stages .stage:nth-child(1){background:#dbeafe}
.sleep-stages .stage:nth-child(2){background:#e0e7ff}
.sleep-stages .stage:nth-child(3){background:#c7d2fe}
.sleep-stages .stage:nth-child(4){background:#a5b4fc}
.sleep-stages .stage h3{font-size:.9rem;margin:0 0 .5rem;color:var(--tx)}
.sleep-stages .stage p{font-size:.8rem;color:var(--tx2);margin:0}
.impact-card{background:#fff;border:1px solid var(--bd);border-radius:var(--r);padding:1.5rem;margin:1.5rem 0;display:flex;gap:1.5rem;align-items:flex-start}
.impact-card .icon{width:3rem;height:3rem;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.impact-card .icon.negative{background:#fee2e2;color:#ef4444}
.impact-card .icon.positive{background:#dcfce7;color:#22c55e}
.impact-card .info h3{margin:0 0 .5rem;font-size:1.125rem}
.impact-card .info p{margin:0;color:var(--tx2);font-size:.9375rem;line-height:1.6}
.tips-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem;margin:2rem 0}
.tips-grid .tip{background:var(--sf);padding:1.5rem;border-radius:var(--r)}
.tips-grid .tip h3{margin:0 0 .75rem;font-size:1rem;color:var(--p)}
.tips-grid .tip p{margin:0;font-size:.9375rem;color:var(--tx2)}
.sleep-hours{background:#fff;border:1px solid var(--bd);border-radius:var(--r);padding:1.5rem;margin:2rem 0}
.sleep-hours h3{margin:0 0 1rem;font-size:1rem}
.sleep-hours .bar-chart{display:flex;flex-direction:column;gap:.75rem}
.sleep-hours .bar-item{display:flex;align-items:center;gap:1rem}
.sleep-hours .bar-item .label{width:6rem;font-size:.875rem;flex-shrink:0}
.sleep-hours .bar-item .bar{height:1.5rem;background:var(--p);border-radius:999px;position:relative}
.sleep-hours .bar-item .bar span{position:absolute;right:.5rem;top:50%;transform:translateY(-50%);font-size:.75rem;color:#fff;font-weight:500}
.animal-card{background:#fff;border:1px solid var(--bd);border-radius:var(--r);padding:1.5rem;margin:1.5rem 0;display:flex;gap:1.5rem;align-items:flex-start}
.animal-card .num{width:3rem;height:3rem;line-height:3rem;text-align:center;background:var(--p);color:#fff;border-radius:50%;font-weight:700;font-size:1.25rem;flex-shrink:0}
.animal-card .num.gold{background:linear-gradient(135deg,#fbbf24,#f59e0b)}
.animal-card .num.silver{background:linear-gradient(135deg,#9ca3af,#6b7280)}
.animal-card .num.bronze{background:linear-gradient(135deg,#f97316,#ea580c)}
.animal-card .info h3{margin:0 0 .5rem;font-size:1.25rem}
.animal-card .info .tag{display:inline-block;background:var(--sf);color:var(--tx2);padding:.25rem .5rem;border-radius:999px;font-size:.75rem;margin-bottom:.75rem}
.animal-card .info p{margin:0;color:var(--tx2);font-size:.9375rem;line-height:1.6}
.key-traits{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:.75rem}
.key-traits span{background:#dbeafe;color:#1e40af;padding:.25rem .5rem;border-radius:999px;font-size:.6875rem;font-weight:500}
.warning-box{background:linear-gradient(135deg,#fef2f2 0%,#fee2e2 100%);border:1px solid #fecaca;border-radius:var(--r);padding:1.5rem;margin:2rem 0;display:flex;gap:1rem;align-items:flex-start}
.warning-box svg{flex-shrink:0;color:#dc2626}
.warning-box p{margin:0;color:#991b1b;font-size:.9375rem;line-height:1.6}
.info-box{background:linear-gradient(135deg,#f0f9ff 0%,#e0f2fe 100%);border:1px solid #bae6fd;border-radius:var(--r);padding:1.5rem;margin:2rem 0;display:flex;gap:1rem;align-items:flex-start}
.info-box svg{flex-shrink:0;color:#0284c7}
.info-box p{margin:0;color:#0c4a6e;font-size:.9375rem;line-height:1.6}
.effect-card{background:#fff;border:1px solid var(--bd);border-radius:var(--r);padding:1.5rem;margin:1.5rem 0}
.effect-card .header{display:flex;align-items:center;gap:1rem;margin-bottom:1rem}
.effect-card .icon{width:3rem;height:3rem;border-radius:var(--r);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.effect-card .icon.negative{background:#fee2e2;color:#dc2626}
.effect-card .icon.positive{background:#dcfce7;color:#16a34a}
.effect-card .icon.neutral{background:#fef9c3;color:#ca8a04}
.effect-card h3{margin:0;font-size:1.125rem}
.effect-card p{margin:0;color:var(--tx2);font-size:.9375rem;line-height:1.6}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin:2rem 0}
.stat-grid .stat{background:var(--sf);border-radius:var(--r);padding:1.5rem;text-align:center}
.stat-grid .stat b{font-size:2rem;color:var(--p);display:block;margin-bottom:.5rem}
.stat-grid .stat span{font-size:.875rem;color:var(--tx2)}
@media(max-width:768px){
.blog-hero h1{font-size:1.75rem}
.pros-cons{grid-template-columns:1fr}
.author-box{flex-direction:column;text-align:center}
.stat-grid{grid-template-columns:1fr}
.factor-card{flex-direction:column;text-align:center}
.factor-card .icon{margin:0 auto}
.key-point{flex-direction:column;text-align:center}
.sleep-stages{grid-template-columns:repeat(2,1fr)}
.tips-grid{grid-template-columns:1fr}
.impact-card{flex-direction:column;text-align:center}
.impact-card .icon{margin:0 auto}
.animal-card{flex-direction:column;text-align:center}
.animal-card .rank{margin:0 auto}
.key-traits{justify-content:center}
.effect-card .header{flex-direction:column;text-align:center}
}