.qfd-front{margin:20px 0}
.qfd-header-box{background:#f6f7f7;border:1px solid #dcdcde;border-radius:12px;padding:24px;margin-bottom:24px}
.qfd-header-box h1,.qfd-header-box h2,.qfd-header-box h3,.qfd-header-box h4,.qfd-header-box h5,.qfd-header-box h6{margin:0 0 16px}
.qfd-header-box p{margin:0 0 16px;line-height:1.6}
.qfd-header-box ul,.qfd-header-box ol{margin:0 0 16px 20px}
.qfd-header-box pre{white-space:pre-wrap}
.qfd-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.qfd-card{background:#fff;border:1px solid #dcdcde;border-radius:12px;padding:20px;box-shadow:0 1px 2px rgba(0,0,0,.03)}
.qfd-card-title{font-weight:700;margin-bottom:8px}
.qfd-card-file{font-size:.95rem;word-break:break-word;margin-bottom:6px}
.qfd-card-size{color:#666;margin-bottom:14px}
.qfd-button{display:inline-block;background:#2271b1;color:#fff !important;text-decoration:none;padding:10px 16px;border-radius:6px}
.qfd-button:hover{background:#135e96}