:root{--bg-color: #faf5f0;--card-bg: #ffffff;--text-primary: #111827;--text-secondary: #4b5563;--border-color: #e5e7eb;--primary-color: #c4b3a6;--primary-hover: #bda89b;--danger-bg: #fef2f2;--danger-text: #dc2626;--danger-border: #fca5a5;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Pretendard,-apple-system,BlinkMacSystemFont,system-ui,Roboto,Helvetica Neue,Segoe UI,Apple SD Gothic Neo,Noto Sans KR,Malgun Gothic,sans-serif;background-color:var(--bg-color);color:var(--text-primary);line-height:1.6;padding-bottom:80px;-webkit-font-smoothing:antialiased}.top-controller{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background:#fffc;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);position:sticky;top:0;z-index:50;border-bottom:1px solid var(--border-color)}.lang-switcher{display:flex;background-color:#f3f4f6;border-radius:8px;padding:4px}.lang-btn{border:none;background:transparent;padding:6px 12px;font-size:14px;font-weight:600;color:var(--text-secondary);border-radius:6px;cursor:pointer;transition:all .2s ease}.lang-btn.active{background-color:var(--card-bg);color:var(--text-primary);box-shadow:var(--shadow-sm)}.barrier-free-actions{display:flex;gap:8px}.icon-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border:none;border-radius:50%;background-color:var(--card-bg);color:var(--text-secondary);cursor:pointer;transition:all .2s ease;box-shadow:var(--shadow-sm);border:1px solid var(--border-color)}.icon-btn:hover{background-color:#f3f4f6;color:var(--text-primary)}.icon-btn.playing{color:#ef4444;animation:pulse-ring 1.5s infinite}@keyframes pulse-ring{0%{transform:scale(1);box-shadow:0 0 #ef444466}70%{transform:scale(1.1);box-shadow:0 0 0 10px #ef444400}to{transform:scale(1);box-shadow:0 0 #ef444400}}.main-content{max-width:600px;margin:0 auto;padding:32px 20px}.product-name{font-size:clamp(14px,4.5vw,26px);font-weight:800;margin-bottom:24px;text-align:center;letter-spacing:-.02em;color:#111827;overflow-wrap:break-word;word-break:break-word;white-space:normal;animation:fadeInDown .6s ease-out}.table-container{background-color:var(--card-bg);border-radius:16px;box-shadow:var(--shadow-md);overflow:hidden;animation:fadeInUp .6s ease-out}.info-table{width:100%;border-collapse:collapse;text-align:left}.info-table th,.info-table td{padding:16px 20px;border-bottom:1px solid var(--border-color)}.info-table tr:last-child th,.info-table tr:last-child td{border-bottom:none}.info-table th{background-color:#fafafa;font-weight:600;width:30%;color:var(--text-secondary);font-size:14px;vertical-align:middle;text-align:center}.info-table td{font-size:15px;color:var(--text-primary);white-space:pre-line}.warning-box{margin-top:12px;padding:12px 16px;background-color:var(--danger-bg);border-left:4px solid var(--danger-text);border-radius:0 8px 8px 0;color:var(--danger-text);font-size:14px;font-weight:600;display:flex;align-items:flex-start;gap:8px}.warning-box .material-icons{font-size:18px;margin-top:2px}.bottom-fixed{position:fixed;bottom:0;left:0;width:100%;padding:16px 20px;background:#ffffffe6;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-top:1px solid var(--border-color);display:flex;justify-content:center;box-shadow:0 -4px 6px -1px #0000000d;z-index:50}.buy-btn{width:100%;max-width:400px;padding:16px;border:none;border-radius:12px;background-color:var(--primary-color);color:#fff;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s ease;box-shadow:var(--shadow-md)}.buy-btn:hover{background-color:var(--primary-hover);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.buy-btn:active{transform:translateY(0)}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-15px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}.modal{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#0009;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);display:flex;align-items:center;justify-content:center;z-index:100;opacity:1;visibility:visible;transition:opacity .3s ease,visibility .3s ease}.modal.hidden{opacity:0;visibility:hidden}.modal-content{background-color:var(--card-bg);width:90%;max-width:500px;border-radius:16px;padding:24px;position:relative;box-shadow:var(--shadow-lg);animation:fadeInUp .4s ease-out}.close-btn{position:absolute;top:16px;right:16px;background:transparent;border:none;color:var(--text-secondary);cursor:pointer;padding:4px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background-color .2s}.close-btn:hover{background-color:#f3f4f6;color:var(--text-primary)}.modal-title{font-size:20px;font-weight:700;margin-bottom:16px;color:var(--text-primary)}.video-wrapper{width:100%;border-radius:8px;overflow:hidden;background-color:#000;aspect-ratio:16 / 9}.video-wrapper video{width:100%;height:100%;object-fit:cover}.modal-desc{margin-top:12px;font-size:13px;color:var(--text-secondary);text-align:center}.product-selector-wrapper{margin:0 16px;flex-grow:1}.product-select{width:100%;padding:8px 12px;border-radius:8px;border:1px solid var(--border-color);background-color:var(--card-bg);color:var(--text-primary);font-size:14px;font-weight:600;cursor:pointer;outline:none;transition:border-color .2s}.product-select:focus{border-color:var(--primary-color)}.qr-display-container{margin-top:32px;background-color:var(--card-bg);border-radius:16px;box-shadow:var(--shadow-md);padding:24px;text-align:center;animation:fadeInUp .6s ease-out}.qr-display-container h3{font-size:18px;font-weight:700;color:var(--text-primary);margin-bottom:8px}.qr-display-container p{font-size:13px;color:var(--text-secondary);margin-bottom:16px}.qr-wrapper{background-color:#fff;padding:16px;border-radius:12px;display:inline-block;border:1px solid var(--border-color);margin-bottom:16px}#live-qr{width:250px;height:250px}.download-qr-btn{display:flex;align-items:center;justify-content:center;margin:0 auto;padding:10px 20px;background-color:#f3f4f6;color:var(--text-primary);border:1px solid var(--border-color);border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s}.download-qr-btn:hover{background-color:#e5e7eb}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;gap:16px;color:#6b7280;font-size:15px}.loading-spinner{width:44px;height:44px;border:4px solid #e5e7eb;border-top-color:#2563eb;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;gap:12px;text-align:center;padding:20px}.error-screen h2{font-size:20px;font-weight:700;color:#111827}.error-screen p{font-size:14px;color:#6b7280}.video-section{margin-top:32px;background-color:var(--card-bg);border-radius:16px;box-shadow:var(--shadow-md);overflow:hidden;padding:24px 20px;animation:fadeInUp .6s ease-out}.video-section-title{font-size:18px;font-weight:700;color:var(--text-primary);margin-bottom:20px;text-align:center}.video-item{margin-bottom:24px}.video-item:last-child{margin-bottom:0}.video-subtitle{font-size:15px;font-weight:600;color:var(--text-secondary);margin-bottom:12px}.video-wrapper{width:100%;border-radius:12px;overflow:hidden;background-color:#000;aspect-ratio:16 / 9;box-shadow:var(--shadow-sm)}.responsive-video{width:100%;height:100%;object-fit:contain;display:block}.video-wrapper iframe{width:100%;height:100%;object-fit:cover}@media (max-width: 600px){.info-table tr{display:flex;flex-direction:column;border-bottom:1px solid var(--border-color)}.info-table tr:last-child{border-bottom:none}.info-table th,.info-table td{display:block;width:100%;border-bottom:none}.info-table th{padding:16px 20px 4px;background-color:transparent;text-align:left}.info-table td{padding:4px 20px 16px}.info-table th .item-tts-btn{float:right;margin-top:-2px}}