.miduo-sample-btn{display:inline-flex;align-items:center;gap:9px;border:none;border-radius:999px;padding:10px 16px;background:linear-gradient(135deg,#06b6d4 0%,#2563eb 46%,#8b5cf6 100%);color:#fff;font-size:13px;font-weight:900;cursor:pointer;box-shadow:0 12px 26px rgba(37,99,235,.24);transition:.18s;text-decoration:none;white-space:nowrap;letter-spacing:.2px}
.miduo-sample-btn i{width:25px;height:25px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:rgba(255,255,255,.24);box-shadow:inset 0 1px 0 rgba(255,255,255,.26),0 4px 10px rgba(15,23,42,.10);font-size:13px}
.miduo-sample-btn:hover{transform:translateY(-1px);box-shadow:0 16px 32px rgba(37,99,235,.31);color:#fff;background:linear-gradient(135deg,#0891b2 0%,#1d4ed8 48%,#7c3aed 100%)}
.miduo-sample-btn.ghost{background:linear-gradient(135deg,#06b6d4 0%,#2563eb 46%,#8b5cf6 100%);color:#fff;border:1px solid rgba(255,255,255,.34);box-shadow:0 10px 22px rgba(37,99,235,.22)}
.miduo-sample-btn.ghost:hover{background:linear-gradient(135deg,#0891b2,#1d4ed8,#7c3aed);color:#fff}
.miduo-sample-topline{display:flex;justify-content:flex-end;margin:0 0 14px}

.miduo-sample-modal{position:fixed;inset:0;z-index:20000;display:none;background:rgba(15,23,42,.58);backdrop-filter:blur(8px);padding:24px}
.miduo-sample-modal.open{display:flex;align-items:center;justify-content:center}
.miduo-sample-box{width:min(1080px,94vw);height:min(760px,90vh);background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid rgba(255,255,255,.82);border-radius:26px;box-shadow:0 30px 76px rgba(15,23,42,.34);overflow:hidden;display:flex;flex-direction:column}
.miduo-sample-head{padding:16px 20px;border-bottom:1px solid rgba(37,99,235,.12);display:flex;align-items:center;justify-content:space-between;gap:14px;background:linear-gradient(135deg,#ecfeff 0%,#eef2ff 55%,#f5f3ff 100%)}
.miduo-sample-title{display:flex;align-items:center;gap:12px;min-width:0}
.miduo-sample-mark{width:42px;height:42px;border-radius:16px;background:linear-gradient(135deg,#06b6d4,#2563eb,#8b5cf6);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 20px rgba(37,99,235,.24)}
.miduo-sample-title-text{font-size:18px;font-weight:900;color:#1f2937;line-height:1.25}
.miduo-sample-sub{font-size:12px;color:#475569;margin-top:3px}
.miduo-sample-tools{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.miduo-sample-tool{border:1px solid #fed7aa;background:#fff;color:#9a3412;border-radius:999px;padding:8px 12px;font-size:12px;font-weight:800;cursor:pointer;transition:.16s}
.miduo-sample-tool:hover{background:#fff7ed}
.miduo-sample-close{width:34px;height:34px;border-radius:50%;border:none;background:#1f2937;color:#fff;cursor:pointer;font-size:16px}
.miduo-sample-body{flex:1;display:grid;grid-template-columns:280px minmax(0,1fr);min-height:0;overflow:hidden}
.miduo-sample-list{height:100%;min-height:0;border-right:1px solid rgba(37,99,235,.10);background:rgba(248,250,252,.86);padding:14px;overflow-y:auto;overflow-x:hidden;scrollbar-color:#93c5fd #eef2ff;scrollbar-width:thin}
.miduo-sample-list::-webkit-scrollbar,.miduo-sample-view::-webkit-scrollbar{width:10px;height:10px}
.miduo-sample-list::-webkit-scrollbar-thumb,.miduo-sample-view::-webkit-scrollbar-thumb{background:#93c5fd;border-radius:999px}
.miduo-sample-list::-webkit-scrollbar-track,.miduo-sample-view::-webkit-scrollbar-track{background:#eef2ff;border-radius:999px}
.miduo-sample-search{width:100%;border:1px solid #bfdbfe;border-radius:16px;padding:11px 13px;font-size:13px;outline:none;background:#fff;margin-bottom:12px;color:#374151}
.miduo-sample-search:focus{border-color:#2563eb;box-shadow:0 0 0 4px rgba(37,99,235,.10)}
.miduo-sample-count{font-size:12px;color:#475569;font-weight:800;margin:0 0 10px}
.miduo-sample-file{display:flex;gap:10px;align-items:flex-start;width:100%;border:1px solid transparent;background:#fff;border-radius:18px;padding:12px;margin-bottom:10px;cursor:pointer;text-align:left;transition:.16s;box-shadow:0 6px 18px rgba(15,23,42,.04)}
.miduo-sample-file:hover{transform:translateY(-1px);border-color:#bfdbfe}
.miduo-sample-file.active{border-color:#2563eb;background:#eff6ff;box-shadow:0 10px 22px rgba(37,99,235,.10)}
.miduo-sample-file-icon{width:36px;height:36px;border-radius:13px;background:linear-gradient(135deg,#ecfeff,#eef2ff);color:#2563eb;display:flex;align-items:center;justify-content:center;flex:none}
.miduo-sample-file-name{font-size:13px;font-weight:850;color:#1f2937;line-height:1.35;word-break:break-word}
.miduo-sample-file-meta{font-size:11px;color:#9ca3af;margin-top:5px}
.miduo-sample-stage{min-width:0;min-height:0;display:flex;flex-direction:column;background:radial-gradient(circle at 20% 0%,rgba(37,99,235,.10),transparent 28%),#fff}
.miduo-sample-current{padding:12px 18px;border-bottom:1px solid #e0e7ff;display:flex;align-items:center;justify-content:space-between;gap:10px;background:rgba(255,255,255,.82)}
.miduo-sample-current-name{font-size:14px;font-weight:900;color:#1f2937;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.miduo-sample-current-actions{display:flex;gap:8px;flex-wrap:wrap}
.miduo-sample-open{display:inline-flex;align-items:center;gap:6px;text-decoration:none;border-radius:999px;padding:7px 11px;background:#eff6ff;color:#1d4ed8;border:1px solid #bfdbfe;font-size:12px;font-weight:800}
.miduo-sample-view{flex:1;min-height:0;overflow:auto;display:flex;align-items:center;justify-content:center;padding:18px;position:relative}
.miduo-sample-empty,.miduo-sample-loading,.miduo-sample-error{padding:34px;text-align:center;color:#6b7280;font-size:14px;line-height:1.8}
.miduo-sample-empty i,.miduo-sample-loading i,.miduo-sample-error i{display:block;font-size:42px;color:#2563eb;margin-bottom:12px}
.miduo-sample-view img{max-width:100%;max-height:100%;min-width:min(520px,90%);object-fit:contain;transform-origin:center center;transition:transform .12s ease;border-radius:16px;box-shadow:0 16px 40px rgba(15,23,42,.18);background:#fff}
.miduo-sample-view iframe,.miduo-sample-view object{width:100%;height:100%;border:none;border-radius:18px;background:#fff;box-shadow:0 12px 34px rgba(15,23,42,.10)}
.miduo-sample-view video{max-width:100%;max-height:100%;border-radius:18px;box-shadow:0 16px 40px rgba(15,23,42,.18);background:#000}
.miduo-sample-fallback{max-width:520px;background:#fff;border:1px solid #fed7aa;border-radius:22px;padding:28px;text-align:center;box-shadow:0 16px 36px rgba(15,23,42,.08)}
.miduo-sample-fallback i{font-size:46px;color:#ef4c13;margin-bottom:12px}
.miduo-sample-fallback-title{font-size:17px;font-weight:900;color:#1f2937;margin-bottom:8px}
.miduo-sample-fallback-text{font-size:13px;color:#6b7280;line-height:1.8;margin-bottom:16px}
@media(max-width:860px){.miduo-sample-modal{padding:10px}.miduo-sample-box{height:96vh;border-radius:22px}.miduo-sample-body{grid-template-columns:1fr}.miduo-sample-list{max-height:220px;border-right:none;border-bottom:1px solid rgba(239,76,19,.10)}.miduo-sample-head{align-items:flex-start}.miduo-sample-tools{justify-content:flex-end}}