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input[type="radio"]{position:absolute;opacity:0;pointer-events:none}.snf-option-card span{display:block;width:100%;min-width:0;text-align:center}.snf-action-buttons{display:flex;justify-content:center;gap:16px;margin-top:24px;flex-wrap:wrap}.snf-action-buttons>p{display:contents;margin:0}.snf-action-buttons br{display:none}.snf-convert-btn{min-width:160px;padding:14px 26px;border:none;border-radius:10px;font-size:16px;font-weight:700;cursor:pointer;background:#0073aa;color:#fff;box-sizing:border-box}.snf-convert-btn:hover{background:#085d8c}.snf-clear-btn{min-width:160px;padding:14px 26px;border:none;border-radius:10px;font-size:16px;font-weight:700;cursor:pointer;background:#666;color:#fff;box-sizing:border-box}.snf-clear-btn:hover{background:#555}@media(max-width:768px){.snf-tool-wrapper{padding:24px}.snf-tool-title{font-size:30px}.snf-upload-box p{font-size:22px}.snf-action-buttons{flex-direction:column}.snf-convert-btn,.snf-clear-btn{width:100%}}@media(max-width:640px){.snf-options{--snf-option-columns:1}}@media(max-width:768px){.wp-block-post-title{margin-top:90px!important;position:relative;z-index:1}}.snf-tool-intro{max-width:900px;margin:0 auto 30px;font-size:17px;line-height:1.9;color:#333;text-align:justify}.snf-tool-intro p{margin-bottom:18px}.snf-tool-intro strong{color:#0d3b66}details{margin:20px 0;padding:15px 20px;background:#fff;border:1px solid #dbe4ee;border-radius:12px;box-shadow:0 2px 8px rgb(0 0 0 / .04)}details summary{cursor:pointer;font-size:clamp(17px,1.6vw,18px);font-weight:600;line-height:1.4;color:#163a63;list-style:none}details summary::-webkit-details-marker{display:none}details summary::before{content:"▶";display:inline-block;margin-right:10px;transition:transform .25s ease}details[open] summary::before{transform:rotate(90deg)}details p,details li{font-size:16px;line-height:1.8;color:#444}details 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20px;background:#f8fbff;cursor:pointer;transition:.3s}.snf-upload-area:hover{background:#eef7ff}.snf-options-section{margin-top:35px}.snf-option-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:18px;margin-top:20px}.snf-primary-btn{margin-top:35px;background:#0073aa;color:#fff;border:none;padding:16px 38px;border-radius:12px;font-size:18px;font-weight:700;cursor:pointer;transition:.3s}.snf-primary-btn:hover{background:#005177}#snf-result-area{margin-top:35px}.snf-info-section{margin-top:55px}.snf-feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}.snf-feature-card{background:#fff;border-radius:16px;padding:24px;text-align:center;box-shadow:0 8px 20px rgb(0 0 0 / .06)}@media(max-width:768px){.snf-tool-card{padding:25px}.snf-option-grid{grid-template-columns:1fr}.snf-primary-btn{width:100%}}