@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap");:root{--bg-primary:#fafafa;--bg-secondary:#ffffff;--bg-card:#ffffff;--border-subtle:rgba(0,0,0,0.08);--border-hover:rgba(0,0,0,0.15);--text-primary:#1a1a1a;--text-secondary:#555555;--text-muted:#999999;--accent:#e8590c;--accent-light:#fff4e6;--accent-glow:rgba(232,89,12,0.15);--max-width:1200px;--page-padding:2rem;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.page-container{max-width:var(--max-width);margin:0 auto;padding:0 var(--page-padding)}.hero{padding:5rem 0 3rem;text-align:center;position:relative}.hero:before{content:"";position:absolute;top:-60px;left:50%;transform:translateX(-50%);width:600px;height:400px;background:radial-gradient(ellipse,var(--accent-glow) 0,transparent 70%);pointer-events:none;z-index:-1}.hero-badge{display:inline-flex;align-items:center;gap:.5rem;padding:.4rem 1rem;background:var(--accent-light);border:1px solid rgba(232,89,12,.15);border-radius:100px;font-size:.8rem;font-weight:600;color:var(--accent);margin-bottom:1.5rem}.hero h1{font-size:clamp(2.5rem,5vw,4rem);font-weight:800;letter-spacing:-.03em;line-height:1.1;margin-bottom:1rem;color:var(--text-primary)}.hero p{font-size:1.15rem;color:var(--text-secondary);max-width:560px;margin:0 auto}.category-filter{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap;margin-bottom:2.5rem}.filter-btn{padding:.5rem 1.25rem;border-radius:100px;border:1px solid var(--border-subtle);background:var(--bg-secondary);color:var(--text-secondary);font-size:.875rem;font-weight:500;font-family:inherit;cursor:pointer;transition:all .2s ease}.filter-btn:hover{border-color:var(--accent);color:var(--accent)}.filter-btn--active{background:var(--accent);border-color:var(--accent);color:#fff}.content-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));grid-gap:1.5rem;gap:1.5rem;padding-bottom:4rem}.detail-page{max-width:800px;margin:0 auto;padding:3rem var(--page-padding) 5rem}.detail-back{display:inline-flex;align-items:center;gap:.5rem;color:var(--text-secondary);font-size:.9rem;margin-bottom:2rem;transition:color .2s ease}.detail-back:hover{color:var(--accent)}.detail-meta{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;margin-bottom:1rem}.detail-category{display:inline-block;padding:.3rem .75rem;background:var(--accent-light);color:var(--accent);border-radius:100px;font-size:.8rem;font-weight:600}.detail-author{font-size:.9rem;color:var(--text-secondary)}.detail-title{font-size:clamp(2rem,4vw,3rem);font-weight:800;letter-spacing:-.02em;line-height:1.15;margin-bottom:1rem;color:var(--text-primary)}.detail-description{font-size:1.15rem;color:var(--text-secondary);line-height:1.7;margin-bottom:2.5rem;padding-bottom:2.5rem;border-bottom:1px solid var(--border-subtle)}.detail-body{color:#333;line-height:1.8;font-size:1.05rem}.detail-body h2{font-size:1.5rem;font-weight:700;color:var(--text-primary);margin:2rem 0 1rem}.detail-body p,.detail-body ul{margin-bottom:1.25rem}.detail-body ul{padding-left:1.5rem}.detail-body li{margin-bottom:.5rem}.detail-tags{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:3rem;padding-top:2rem;border-top:1px solid var(--border-subtle)}.detail-tag{padding:.35rem .85rem;background:var(--accent-light);border:1px solid rgba(232,89,12,.12);border-radius:100px;font-size:.8rem;color:var(--accent);font-weight:500}.empty-state{text-align:center;padding:4rem 2rem;color:var(--text-muted)}.empty-state p{font-size:1.1rem}@media (max-width:768px){:root{--page-padding:1.25rem}.hero{padding:3rem 0 2rem}.content-grid{grid-template-columns:1fr}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeInUp .5s ease forwards}.notearc-header{position:-webkit-sticky;position:sticky;top:0;z-index:100;background:rgba(255,255,255,.9);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(0,0,0,.06);padding:0 2rem}.header-inner{max-width:1200px;margin:0 auto;justify-content:space-between;height:64px}.header-inner,.header-logo{display:flex;align-items:center}.header-logo{gap:.75rem;text-decoration:none;color:#1a1a1a}.logo-icon{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1rem;color:#fff}.logo-text{font-size:1.25rem;font-weight:700;letter-spacing:-.02em}.header-nav{display:flex;align-items:center;gap:.25rem}.nav-link{padding:.5rem 1rem;border-radius:8px;font-size:.9rem;font-weight:500;color:#555;text-decoration:none;transition:all .2s ease}.nav-link:hover{color:#e8590c;background:rgba(232,89,12,.06)}.nav-link--active{color:#e8590c;background:rgba(232,89,12,.08)}@media (max-width:640px){.notearc-header{padding:0 1rem}.header-nav{gap:0}.nav-link{padding:.5rem .75rem;font-size:.85rem}}.content-card{position:relative;display:flex;flex-direction:column;background:#ffffff;border:1px solid rgba(0,0,0,.08);border-radius:16px;overflow:hidden;text-decoration:none;color:inherit;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 1px 3px rgba(0,0,0,.04)}.content-card:hover{transform:translateY(-4px);border-color:rgba(0,0,0,.12);box-shadow:0 12px 32px rgba(0,0,0,.1)}.card-image{width:100%;aspect-ratio:16/10;overflow:hidden}.card-image img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}.content-card:hover .card-image img{transform:scale(1.05)}.card-image--placeholder{display:flex;align-items:center;justify-content:center}.placeholder-icon{font-size:3rem;font-weight:700;opacity:.7}.card-body{padding:1.25rem;flex:1 1;display:flex;flex-direction:column;gap:.5rem}.card-title{font-size:1.1rem;font-weight:600;color:#1a1a1a;line-height:1.4;-webkit-line-clamp:2}.card-description,.card-title{margin:0;display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}.card-description{font-size:.875rem;color:#666;line-height:1.6;-webkit-line-clamp:3}.card-author{font-size:.8rem;color:#999;margin-top:auto}.card-hover-line{position:absolute;bottom:0;left:0;right:0;height:3px;opacity:0;transition:opacity .3s ease}.content-card:hover .card-hover-line{opacity:1}.notearc-footer{border-top:1px solid rgba(0,0,0,.06);padding:2rem;margin-top:auto}.footer-inner{max-width:1200px;margin:0 auto;text-align:center}.footer-text{font-size:.85rem;color:#999;margin:0}