:root{--bg:#f6f8fc;--card:#fff;--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--blue:#2563eb;--purple:#7c3aed;--shadow:0 16px 42px rgba(15,23,42,.08)}
.blog-wrap{font-family:Inter,Segoe UI,Arial,sans-serif;background:linear-gradient(180deg,#fff 0%,var(--bg) 55%,#fff 100%);color:var(--ink);min-height:100vh}
.blog-container{max-width:1180px;margin:0 auto;padding:0 18px}
.blog-nav{display:flex;justify-content:space-between;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:14px 16px;box-shadow:var(--shadow);margin:18px 0}
.blog-brand{font-size:20px;font-weight:950;color:var(--ink);text-decoration:none}.blog-nav a{font-weight:850;text-decoration:none;color:#334155;margin-left:12px}.blog-nav a.primary{background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;padding:10px 14px;border-radius:14px}
.blog-hero{padding:48px 0 26px;text-align:center}.blog-hero h1{font-size:48px;letter-spacing:-1.6px;margin:0 0 12px}.blog-hero p{font-size:18px;color:var(--muted);line-height:1.7;max-width:760px;margin:0 auto}
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:20px 0 50px}.blog-card{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}.blog-img{height:170px;background:linear-gradient(135deg,#dbeafe,#ede9fe);display:flex;align-items:center;justify-content:center;color:#1d4ed8;font-size:34px;font-weight:950}.blog-img img{width:100%;height:100%;object-fit:cover}.blog-body{padding:20px;display:flex;flex-direction:column;flex:1}.blog-cat{display:inline-flex;background:#eff6ff;color:#1d4ed8;border-radius:999px;padding:7px 10px;font-size:12px;font-weight:900;width:max-content;margin-bottom:12px}.blog-card h2{font-size:22px;line-height:1.25;margin:0 0 10px}.blog-card h2 a{color:var(--ink);text-decoration:none}.blog-card p{color:var(--muted);line-height:1.65}.blog-read{margin-top:auto;color:var(--blue);font-weight:950;text-decoration:none}
.blog-layout{display:grid;grid-template-columns:1fr 320px;gap:24px;padding:24px 0 60px}.blog-article{background:#fff;border:1px solid var(--line);border-radius:26px;padding:30px;box-shadow:var(--shadow)}.blog-article h1{font-size:42px;letter-spacing:-1.2px;line-height:1.08;margin:0 0 14px}.blog-meta{color:var(--muted);font-weight:750;margin-bottom:22px}.blog-content{font-size:17px;line-height:1.85;color:#334155}.blog-content h2{color:var(--ink);font-size:28px;margin-top:32px}.blog-content a{color:var(--blue);font-weight:850}
.blog-sidebar{display:grid;gap:18px}.blog-side-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:20px;box-shadow:var(--shadow)}.blog-side-card h3{margin-top:0}.blog-tool-cta{background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;border-radius:24px;padding:24px;box-shadow:var(--shadow)}.blog-tool-cta h3{font-size:24px;margin:0 0 10px;color:#fff}.blog-tool-cta p{color:#e0e7ff;line-height:1.6}.blog-tool-cta a{background:#fff;color:#1d4ed8;border-radius:14px;padding:12px 14px;display:inline-flex;text-decoration:none;font-weight:950}.blog-list-link{display:block;padding:11px 0;border-bottom:1px solid var(--line);color:var(--ink);font-weight:850;text-decoration:none}
.blog-empty{background:#fff;border:1px dashed #cbd5e1;border-radius:20px;padding:25px;color:var(--muted)}
@media(max-width:980px){.blog-grid,.blog-layout{grid-template-columns:1fr}.blog-hero h1{font-size:36px}}@media(max-width:560px){.blog-nav{align-items:flex-start;flex-direction:column}.blog-nav a{margin-left:0;margin-right:8px}.blog-article{padding:20px}.blog-article h1{font-size:31px}}