*{box-sizing:border-box;margin:0;padding:0}
html,body{background:#fafbff;color:#1a2235;font-family:'PingFang SC','Microsoft YaHei',sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.nxa-wrap{max-width:1200px;margin:0 auto;padding:0 16px}
.nxa-header{position:sticky;top:0;z-index:50;background:#ffffff;border-bottom:1px solid #e6ebf5;padding:14px 0}
.nxa-header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.nxa-logo{font-size:20px;font-weight:800;color:#ff5577;letter-spacing:.5px}
.nxa-nav{display:flex;gap:6px;flex-wrap:wrap}
.nxa-nav a{padding:8px 14px;border-radius:10px;color:#5d6b86;font-size:14px;transition:all .18s}
.nxa-nav a:hover,.nxa-nav a.active{background:#ff5577;color:#fff}
.nxa-hero{padding:42px 0 28px}
.nxa-hero h1{font-size:30px;line-height:1.3;margin-bottom:10px}
.nxa-hero p{color:#5d6b86;font-size:15px;max-width:760px}
.nxa-section{padding:24px 0 40px}
.nxa-section-title{display:flex;align-items:center;gap:10px;margin-bottom:18px;font-size:18px}
.nxa-section-title::before{content:"";width:6px;height:18px;background:linear-gradient(180deg,#ff5577,#3361ff);border-radius:3px}
.nxa-grid{display:grid;grid-template-columns:2fr 1fr;gap:20px}.nxa-grid .nxa-card:first-child{grid-row:span 2}@media(max-width:780px){.nxa-grid{grid-template-columns:1fr}}
.nxa-card{background:#ffffff;border:1px solid #e6ebf5;border-radius:10px;overflow:hidden;transition:transform .25s,box-shadow .25s}
.nxa-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(0,0,0,.18)}
.nxa-thumb{aspect-ratio:16/10;overflow:hidden;background:#e6ebf5}
.nxa-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.nxa-card:hover .nxa-thumb img{transform:scale(1.06)}
.nxa-meta{padding:14px 16px}
.nxa-meta h3{font-size:15px;margin-bottom:8px;line-height:1.45}
.nxa-meta p{color:#5d6b86;font-size:13px;line-height:1.55}
.nxa-tag{display:inline-block;font-size:11px;padding:3px 8px;border-radius:999px;background:#3361ff22;color:#3361ff;margin-top:8px}
.nxa-comments{background:#ffffff;border:1px solid #e6ebf5;border-radius:10px;padding:20px;margin-top:18px}
.nxa-comments h2{font-size:16px;margin-bottom:12px}
.nxa-comment{padding:10px 0;border-bottom:1px dashed #e6ebf5}
.nxa-comment:last-child{border-bottom:0}
.nxa-comment .who{color:#ff5577;font-weight:600;font-size:13px;margin-right:8px}
.nxa-comment .what{color:#1a2235;font-size:13.5px}
.nxa-related{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.nxa-related a{padding:6px 12px;background:#e6ebf5;border-radius:999px;font-size:12px;color:#5d6b86}
.nxa-related a:hover{background:#ff5577;color:#fff}
.nxa-footer{margin-top:40px;padding:26px 0;border-top:1px solid #e6ebf5;color:#5d6b86;font-size:13px;text-align:center;background:#ffffff}
.nxa-footer a{color:#ff5577}