.column-page{background:var(--bg);min-height:100vh}.column-main{padding:2rem 0 4rem}.column-header-inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;display:flex}.column-logo-link{align-items:center;display:inline-flex}.column-logo{width:110px;height:auto}.column-header-nav{flex-wrap:wrap;align-items:center;gap:1rem;font-size:.9rem;display:flex}.column-header-nav a{color:var(--secondary);font-weight:700;text-decoration:none}.column-header-nav a:hover{text-decoration:underline}.column-header-nav .column-nav-cta{background:var(--primary);color:#fff;border-radius:999px;padding:.4rem 1rem}.column-header-nav .column-nav-cta:hover{opacity:.88;text-decoration:none}.column-breadcrumb{color:#666;word-break:break-word;margin-bottom:1.2rem;font-size:.85rem}.column-breadcrumb a{color:var(--secondary);text-decoration:none}.column-breadcrumb a:hover{text-decoration:underline}.column-list-lead{margin:0 auto 2.5rem;line-height:1.8}.column-card-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;margin:0;padding:0;list-style:none;display:grid}.column-card{border:2px solid var(--accent-blue);border-radius:var(--radius-card);background:#fff;transition:transform .2s,box-shadow .2s;overflow:hidden;box-shadow:0 4px 12px #0000000f}.column-card:hover{transform:translateY(-3px);box-shadow:0 6px 20px #0000001a}.column-card-link{color:inherit;height:100%;text-decoration:none;display:block}.column-card-thumb{aspect-ratio:16/9;background:#f0e5db;margin:0;overflow:hidden}.column-card-img{object-fit:cover;width:100%;height:100%;display:block}.column-card-body{padding:1.1rem 1.2rem 1.4rem}.column-card-meta{color:#777;flex-wrap:wrap;align-items:center;gap:.5rem;margin:0 0 .5rem;font-size:.8rem;display:flex}.column-card-title{color:var(--text);margin:0 0 .5rem;font-size:1.08rem;line-height:1.5}.column-card-desc{color:#555;margin:0;font-size:.9rem;line-height:1.7}.column-article{max-width:46rem;margin:0 auto}.column-article-title{margin:0 0 .8rem;font-size:clamp(1.5rem,4vw,2.1rem);line-height:1.4}.column-article-meta{color:#777;flex-wrap:wrap;align-items:center;gap:.5rem;margin:0 0 1.5rem;font-size:.85rem;display:flex}.column-article-hero{aspect-ratio:16/9;object-fit:cover;border-radius:16px;width:100%;margin:0 0 2rem;display:block}.column-article-lead{border-left:4px solid var(--accent);background:#fff;border-radius:0 12px 12px 0;margin:0 0 2.5rem;padding:1.1rem 1.3rem;font-size:1.05rem;font-weight:500;line-height:1.9}.column-body h2{border-bottom:2px solid var(--primary);margin:2.8rem 0 1rem;padding-bottom:.4rem;font-size:clamp(1.2rem,3vw,1.5rem);line-height:1.5}.column-body h3{color:var(--ink);margin:2rem 0 .7rem;font-size:clamp(1.05rem,2.4vw,1.2rem);line-height:1.5}.column-body p{margin:0 0 1.3rem;line-height:1.95}.column-body ul{margin:0 0 1.5rem;padding-left:1.3rem}.column-body li{margin-bottom:.6rem;line-height:1.9}.column-table-wrap{-webkit-overflow-scrolling:touch;margin:0 0 1.8rem;overflow-x:auto}.column-table{border-collapse:collapse;background:#fff;border-radius:12px;width:100%;min-width:30rem;font-size:.92rem;overflow:hidden}.column-table th,.column-table td{text-align:left;border-bottom:1px solid #eee;padding:.7rem .9rem;line-height:1.65}.column-table thead th{background:var(--secondary);color:#fff;white-space:nowrap;font-weight:700}.column-table tbody th{color:var(--secondary);white-space:nowrap;font-weight:700}.column-table tbody tr:last-child th,.column-table tbody tr:last-child td{border-bottom:none}.column-note{color:#666;background:#f4ece4;border-radius:10px;margin:2rem 0 0;padding:.9rem 1.1rem;font-size:.85rem;line-height:1.75}.column-cta{text-align:center;background:#fff;border-radius:18px;margin:3rem 0 2rem;padding:1.8rem 1.5rem;box-shadow:0 2px 14px #0000000f}.column-cta-title{margin:0 0 .6rem;font-size:1.15rem}.column-cta-body{color:#555;margin:0 0 1.3rem;font-size:.94rem;line-height:1.8}.column-back-link{color:var(--secondary);margin-top:1.5rem;font-weight:700;text-decoration:none;display:inline-block}.column-back-link:hover{text-decoration:underline}.column-related{margin-top:3rem}.column-related-title{margin:0 0 1.1rem;font-size:1.1rem}@media (max-width:640px){.column-main{padding:1.5rem 0 3rem}.column-article-lead{padding:1rem 1.1rem;font-size:1rem}.column-cta{padding:1.4rem 1.1rem}}