:root{--color-bg-primary: hsl(0, 0%, 98%);--color-bg-secondary: hsl(0, 0%, 95%);--color-bg-card: hsl(0, 0%, 100%);--color-text-primary: hsl(220, 20%, 20%);--color-text-secondary: hsl(220, 10%, 45%);--color-text-muted: hsl(220, 10%, 60%);--color-accent: hsl(220, 80%, 55%);--color-accent-hover: hsl(220, 80%, 45%);--color-accent-light: hsl(220, 80%, 95%);--color-border: hsl(0, 0%, 90%);--color-shadow: hsla(220, 20%, 20%, .08);--max-width: 1200px;--radius: 12px;--radius-sm: 8px;--font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Noto Sans SC", "Noto Sans TC", "Noto Sans JP", "Noto Sans KR", "PingFang SC", "Microsoft YaHei", "Apple Color Emoji", "Segoe UI Emoji"}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-stack);font-size:16px;line-height:1.6;color:var(--color-text-primary);background:var(--color-bg-primary);-webkit-text-size-adjust:100%}a{cursor:pointer;color:var(--color-accent);text-decoration:none}a:hover{color:var(--color-accent-hover)}.blog-header{max-width:900px;margin:0 auto;padding:20px 24px;display:flex;align-items:center;justify-content:space-between}.blog-header-logo{color:var(--color-text-primary);text-decoration:none;font-weight:600;font-size:15px;display:flex;align-items:center;gap:8px;transition:color .2s}.blog-header-logo:hover{color:var(--color-accent)}.blog-header-cta{display:inline-flex;align-items:center;gap:6px;background:var(--color-accent);color:#fff;padding:10px 20px;border-radius:var(--radius-sm);text-decoration:none;font-size:14px;font-weight:600;transition:background .2s,transform .2s}.blog-header-cta:hover{background:var(--color-accent-hover);transform:translateY(-1px);color:#fff}.blog-nav{max-width:900px;margin:0 auto;padding:0 24px 16px;display:flex;align-items:center;gap:8px;font-size:14px}.blog-nav a{color:var(--color-text-secondary);text-decoration:none;transition:color .2s}.blog-nav a:hover{color:var(--color-accent)}.blog-nav .sep{color:var(--color-border);font-size:12px}.blog-nav .current{color:var(--color-text-primary);font-weight:500}.blog-article{max-width:900px;margin:0 auto;padding:0 24px 60px}.blog-hero{text-align:center;padding:32px 0 40px}.blog-hero h1{font-size:clamp(1.6rem,4vw,2.4rem);font-weight:700;line-height:1.3;margin-bottom:16px;color:var(--color-text-primary);letter-spacing:-.5px}.blog-meta{display:flex;justify-content:center;gap:20px;font-size:13px;color:var(--color-text-muted);flex-wrap:wrap}.blog-meta span{display:inline-flex;align-items:center;gap:4px}.hero-image{width:100%;height:auto;display:block;border-radius:var(--radius);border:1px solid var(--color-border);margin-top:24px;box-shadow:0 4px 16px var(--color-shadow)}.blog-article section{font-size:16px;color:var(--color-text-secondary);line-height:1.9}.blog-article section h2{font-size:1.4rem;font-weight:700;color:var(--color-text-primary);margin:48px 0 20px;padding-bottom:12px;border-bottom:2px solid var(--color-accent-light);letter-spacing:-.3px}.blog-article section h3{font-size:1.15rem;font-weight:600;color:var(--color-text-primary);margin:32px 0 12px}.blog-article section p{margin-bottom:16px}.blog-article section strong{color:var(--color-text-primary)}.blog-article section a{color:var(--color-accent);text-decoration:none;border-bottom:1px solid hsla(220,80%,55%,.3);transition:border-color .2s}.blog-article section a:hover{border-color:var(--color-accent)}.blog-article section ul,.blog-article section ol{margin:12px 0 20px 24px}.blog-article section li{margin-bottom:8px}.blog-article section img{max-width:100%;border-radius:var(--radius);margin:20px 0;border:1px solid var(--color-border)}.key-takeaway{background:var(--color-accent-light);border-left:4px solid var(--color-accent);border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:16px 20px;margin:24px 0;font-weight:600;color:var(--color-text-primary);line-height:1.7}.faq-section{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius);padding:32px;margin-top:48px;box-shadow:0 2px 8px var(--color-shadow)}.faq-section h2{border:none;padding:0;margin-top:0;text-align:center;margin-bottom:24px}.faq-item{padding:20px 0;border-bottom:1px solid var(--color-border)}.faq-item:last-child{border-bottom:none;padding-bottom:0}.faq-item:first-of-type{padding-top:0}.faq-item h3{font-size:1rem;font-weight:600;color:var(--color-text-primary);margin:0 0 8px}.faq-item h3:before{content:var(--faq-q-prefix, "Q. ");color:var(--color-accent);font-weight:700}.faq-item p{margin:0;color:var(--color-text-secondary);line-height:1.8}.related-articles{margin-top:48px;padding-top:32px;border-top:1px solid var(--color-border)}.related-articles h2{border:none;padding:0;text-align:center;margin-bottom:24px}.related-articles ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}.related-articles li{margin:0}.related-articles li a{display:block;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:16px 20px;text-decoration:none;color:var(--color-text-primary);font-size:15px;font-weight:500;line-height:1.5;transition:all .2s}.related-articles li a:hover{border-color:var(--color-accent);transform:translate(4px);box-shadow:0 4px 12px var(--color-shadow);color:var(--color-accent)}.article-cta{text-align:center;padding:48px 24px;margin-top:48px;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:0 2px 8px var(--color-shadow)}.article-cta h3{font-size:1.3rem;font-weight:700;color:var(--color-text-primary);margin-bottom:12px}.article-cta p{color:var(--color-text-secondary);margin-bottom:24px;font-size:15px}.cta-btn{display:inline-block;background:var(--color-accent);color:#fff;padding:14px 36px;border-radius:var(--radius-sm);text-decoration:none;font-weight:600;font-size:15px;transition:background .2s,transform .2s;border:none}.cta-btn:hover{background:var(--color-accent-hover);transform:translateY(-2px);box-shadow:0 8px 24px #306ee84d;color:#fff}.blog-footer{max-width:900px;margin:0 auto;padding:32px 24px;text-align:center;border-top:1px solid var(--color-border)}.blog-footer p{font-size:13px;color:var(--color-text-muted);margin:4px 0}.blog-footer a{color:var(--color-text-secondary);text-decoration:none}.blog-footer a:hover{color:var(--color-accent)}.blog-list{max-width:var(--max-width);margin:0 auto;padding:0 24px 60px}.blog-list-hero{text-align:center;padding:48px 0 40px}.blog-list-hero h1{font-size:clamp(1.8rem,4vw,2.6rem);font-weight:700;letter-spacing:-.5px;margin-bottom:12px;color:var(--color-text-primary)}.blog-list-hero p{color:var(--color-text-muted);font-size:15px}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.article-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius);overflow:hidden;text-decoration:none;display:block;transition:transform .3s,box-shadow .3s,border-color .3s}.article-card:hover{transform:translateY(-6px);box-shadow:0 12px 32px var(--color-shadow);border-color:var(--color-accent)}.article-card img{width:100%;height:180px;object-fit:cover;display:block}.article-card-body{padding:20px}.article-card-body h2{font-size:16px;font-weight:600;color:var(--color-text-primary);margin-bottom:8px;line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.article-card-body p{font-size:14px;color:var(--color-text-secondary);line-height:1.7;margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.article-card-meta{font-size:12px;color:var(--color-text-muted)}.back-home{text-align:center;margin-top:48px}.back-home a{color:var(--color-accent);text-decoration:none;font-size:15px;font-weight:500}.back-home a:hover{text-decoration:underline}@media(max-width:900px){.article-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.article-grid{grid-template-columns:1fr}.blog-article{padding:0 16px 40px}.blog-hero{padding:24px 0 20px}.blog-article section h2{font-size:1.25rem}.faq-section{padding:20px}.blog-header{padding:16px}}