/* KH SSL/CSR 解码器样式（沿用 kh-ssl-* 设计语言） */
.kh-dec-wrap{max-width:880px;margin:0 auto;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:#1f2937}
.kh-dec-form{display:block;margin-bottom:18px}
.kh-dec-field{margin-bottom:12px}
.kh-dec-field label{display:block;font-weight:600;margin-bottom:6px;font-size:14px}
.kh-dec-input{width:100%;box-sizing:border-box;padding:10px 12px;border:1px solid #cbd5e1;border-radius:8px;font-size:14px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;line-height:1.5;resize:vertical}
.kh-dec-input:focus{outline:none;border-color:#2684e1;box-shadow:0 0 0 3px rgba(38,132,225,.15)}
.kh-dec-btn,.kh-dec-input{font-family:inherit}
.kh-dec-btn{display:inline-block;background:#2684e1;color:#fff;border:none;border-radius:8px;padding:11px 26px;font-size:15px;font-weight:600;cursor:pointer;transition:background .15s}
.kh-dec-btn:hover{background:#1c6fd0}
.kh-dec-btn:disabled{opacity:.6;cursor:not-allowed}
.kh-dec-hint{font-size:13px;color:#64748b;margin:10px 0 0}
.kh-dec-loading{display:none;align-items:center;gap:10px;padding:14px;background:#eff6ff;border:1px solid #bfdbfe;border-radius:8px;color:#1e40af;font-size:14px;margin-bottom:14px}
.kh-dec-loading.is-active{display:flex}
.kh-dec-spinner{width:18px;height:18px;border:3px solid #bfdbfe;border-top-color:#2684e1;border-radius:50%;animation:khDecSpin .8s linear infinite}
@keyframes khDecSpin{to{transform:rotate(360deg)}}
.kh-dec-error{display:none;padding:12px 14px;background:#fef2f2;border:1px solid #fecaca;color:#b91c1c;border-radius:8px;font-size:14px;margin-bottom:14px}
.kh-dec-error.is-active{display:block}
.kh-dec-result{margin-top:6px}
.kh-dec-badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;margin-left:8px;vertical-align:middle}
.kh-dec-badge--valid{background:#dcfce7;color:#166534}
.kh-dec-badge--expired{background:#fee2e2;color:#b91c1c}
.kh-dec-badge--self{background:#fef3c7;color:#92400e}
.kh-dec-badge--invalid{background:#fee2e2;color:#b91c1c}
.kh-dec-card{background:#fff;border:1px solid #e2e8f0;border-radius:10px;padding:16px 18px;margin-bottom:14px;box-shadow:0 1px 2px rgba(15,23,42,.04)}
.kh-dec-card h3{margin:0 0 12px;font-size:16px;color:#0f172a;border-bottom:1px solid #f1f5f9;padding-bottom:8px}
.kh-dec-row{display:flex;gap:10px;padding:6px 0;border-bottom:1px dashed #f1f5f9;font-size:14px}
.kh-dec-row:last-child{border-bottom:none}
.kh-dec-row .k{width:170px;flex:none;color:#64748b;font-weight:500}
.kh-dec-row .v{flex:1;word-break:break-all;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px}
.kh-dec-warn{background:#fffbeb;border:1px solid #fde68a;border-radius:8px;padding:10px 14px;margin-bottom:14px;font-size:13px;color:#92400e}
.kh-dec-warn ul{margin:6px 0 0;padding-left:18px}
.kh-dec-sans{display:flex;flex-wrap:wrap;gap:6px}
.kh-dec-sans span{background:#f1f5f9;border-radius:6px;padding:2px 8px;font-size:12px;font-family:inherit}
.kh-dec-seo{margin-top:24px}
.kh-dec-seo h2{font-size:20px;color:#0f172a;margin:18px 0 8px}
.kh-dec-seo p{font-size:14px;line-height:1.7;color:#475569}
.kh-dec-features{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:14px 0}
.kh-dec-feature{background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;padding:12px 14px}
.kh-dec-feature h3{margin:0 0 6px;font-size:14px;color:#1e293b}
.kh-dec-feature p{margin:0;font-size:13px;color:#64748b}
@media(max-width:640px){.kh-dec-features{grid-template-columns:1fr}.kh-dec-row{flex-direction:column;gap:2px}.kh-dec-row .k{width:auto}}