/* ===== Style B - Organic Warm (CSS variables kept identical to original!) ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--bg-primary:#F7F3EC;--bg-card:rgba(253,250,245,0.95);--page-bg:#F7F3EC;--text-primary:#2C2416;--text-secondary:#7A6F60;--text-tertiary:#ADA290;--brand:#C4734F;--brand-light:#D88B6A;--brand-deep:#B56340;--green:#5B8C5A;--green-light:#7AAF79;--orange:#D4553F;--border:rgba(44,36,22,0.1);--glass-bg:rgba(44,36,22,0.03);--radius-sm:6px;--radius:8px;--radius-lg:14px;--shadow:0 2px 12px rgba(44,36,22,0.06);--file-item-bg:rgba(196,115,79,0.05);--input-bg:#FFFFFF;--input-border:rgba(44,36,22,0.12);--preview-overlay:rgba(44,36,22,0.55);--table-th-bg:rgba(196,115,79,0.06);color-scheme:light}
body[data-theme="dark"]{--bg-primary:#1A1612;--bg-card:rgba(36,31,26,0.95);--page-bg:#1A1612;--text-primary:#EDE8E0;--text-secondary:#A09888;--text-tertiary:#6B6358;--brand:#D88B6A;--brand-light:#E8A585;--brand-deep:#C4734F;--green:#6AAA68;--green-light:#8CC88A;--orange:#E06850;--border:rgba(255,255,255,0.07);--glass-bg:rgba(255,255,255,0.03);--shadow:0 2px 12px rgba(0,0,0,0.25);--file-item-bg:rgba(216,139,106,0.08);--input-bg:rgba(36,31,26,0.9);--input-border:rgba(255,255,255,0.08);--preview-overlay:rgba(0,0,0,0.65);--table-th-bg:rgba(216,139,106,0.08);color-scheme:dark}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:'Noto Sans SC','DM Sans',-apple-system,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;overflow-x:hidden;transition:background .4s,color .4s;-webkit-font-smoothing:antialiased}
.background-layer{position:fixed;inset:0;z-index:0;pointer-events:none;background:url("data:image/svg+xml,%3Csvg width='200' height='200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E"),radial-gradient(ellipse 80% 40% at 20% 5%,rgba(196,115,79,0.07),transparent 55%),radial-gradient(ellipse 50% 50% at 80% 90%,rgba(91,140,90,0.05),transparent 55%);opacity:1}
.background-overlay{display:none}
.page-shell{position:relative;z-index:1;min-height:100vh;display:flex;flex-direction:column}
.page-content{flex:1;max-width:680px;margin:0 auto;padding:36px 18px 56px;width:100%}
.glass-panel{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);transition:all .3s ease}
.hero{position:relative;text-align:center;padding:40px 24px 32px;margin-bottom:10px;background:transparent;border:none;box-shadow:none}
.hero-logo{width:80px;height:80px;margin:0 auto 14px;border-radius:50%;padding:5px;background:var(--glass-bg);border:1px solid var(--border);box-shadow:var(--shadow);overflow:hidden}
.hero-logo img{width:100%;height:100%;display:block;object-fit:cover;border-radius:50%}
.hero-badge{display:inline-block;font-size:.68rem;font-weight:600;letter-spacing:.08em;color:var(--brand);margin-bottom:12px;padding:4px 16px;border:1px solid var(--brand);border-radius:999px;opacity:.85}
.hero h1{font-family:'Noto Serif SC',serif;font-size:clamp(1.6rem,4.5vw,2.4rem);font-weight:700;letter-spacing:.02em;line-height:1.2;margin-bottom:6px}
.hero-subtitle{font-size:.85rem;color:var(--text-secondary);max-width:420px;margin:0 auto;line-height:1.7}
.ios-hint{font-size:.68rem;color:var(--text-tertiary);margin-top:4px;opacity:.7}
.theme-toggle{position:fixed;top:16px;right:16px;z-index:100;display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:999px;background:var(--bg-card);border:1px solid var(--border);color:var(--text-primary);cursor:pointer;font-size:.75rem;font-family:inherit;box-shadow:var(--shadow);transition:all .25s}
.theme-toggle:hover{border-color:var(--brand-light)}.theme-toggle-icon{font-size:1rem;line-height:1}.theme-toggle-text{font-weight:500}
.steps-bar{display:flex;align-items:center;justify-content:center;gap:0;padding:18px 16px;margin-bottom:10px;flex-wrap:nowrap;border-radius:999px}
.step{display:flex;flex-direction:column;align-items:center;gap:4px;opacity:.35;transition:opacity .3s;flex-shrink:0}.step.active,.step.done{opacity:1}
.step-num{width:28px;height:28px;border-radius:50%;background:var(--glass-bg);border:2px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;transition:all .3s}
.step.active .step-num{background:var(--brand);border-color:var(--brand);color:#fff}.step.done .step-num{background:var(--green);border-color:var(--green);color:#fff}
.step-label{font-size:.62rem;color:var(--text-secondary);white-space:nowrap;font-weight:600;letter-spacing:.03em}
.step-connector{flex:1;height:2px;background:var(--border);margin:0 8px;align-self:center;min-width:14px;border-radius:1px}
.section-card{padding:28px;margin-bottom:18px}.section-card:hover{box-shadow:0 4px 20px rgba(44,36,22,0.08)}
.section-heading{margin-bottom:22px}
.section-tag{display:inline-block;font-size:.62rem;font-weight:700;color:var(--brand);background:transparent;padding:0;border-radius:0;margin-bottom:8px;text-transform:uppercase;letter-spacing:.1em}
.section-heading h2{font-family:'Noto Serif SC',serif;font-size:1.25rem;font-weight:700}
.section-desc{font-size:.78rem;color:var(--text-secondary);margin-top:4px;line-height:1.6}
.section-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:22px;flex-wrap:wrap}
.upload-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:44px 20px;text-align:center;cursor:pointer;transition:all .3s;background:var(--glass-bg);position:relative;min-height:160px;display:flex;align-items:center;justify-content:center}
.file-cover-input{position:absolute;inset:0;opacity:0;cursor:pointer;z-index:1;font-size:0}
.upload-zone:hover,.upload-zone.drag-over{border-color:var(--brand-light);background:rgba(196,115,79,0.06)}
.upload-center{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;gap:14px}
.upload-glass-btn{background:none;border:none;cursor:pointer;font-family:inherit;display:flex;flex-direction:column;align-items:center;gap:8px;padding:0;color:var(--text-primary)}
.upload-btn-icon{font-size:1.8rem;line-height:1}.upload-btn-text{font-size:.88rem;font-weight:600}
.upload-hint{font-size:.66rem;color:var(--text-tertiary);max-width:300px;line-height:1.5}
.file-list{margin-top:16px;display:flex;flex-direction:column;gap:8px}
.file-item{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;background:var(--file-item-bg);border:1px solid var(--border);border-radius:var(--radius);gap:10px;flex-wrap:wrap}
.file-item:hover{border-color:var(--brand)}.file-item-icon{font-size:1.2rem;flex-shrink:0}
.file-item-name{font-size:.82rem;font-weight:500;word-break:break-word;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0}
.file-item-size{font-size:.68rem;color:var(--text-tertiary);white-space:nowrap}
.file-preview-btn{padding:5px 12px;border-radius:999px;border:1px solid var(--border);background:var(--bg-card);color:var(--text-secondary);font-size:.7rem;font-weight:500;cursor:pointer;font-family:inherit;transition:all .2s}
.file-preview-btn:hover{border-color:var(--brand);color:var(--brand)}
.file-item-remove{padding:5px 10px;border-radius:999px;border:1px solid var(--border);background:var(--bg-card);color:var(--text-tertiary);font-size:.85rem;cursor:pointer;font-family:inherit;transition:all .2s}
.file-item-remove:hover{border-color:#D4553F;color:#D4553F}
.page-range-bar{margin-top:14px;padding:14px;background:var(--glass-bg);border-radius:var(--radius);border:1px solid var(--border)}
.page-range-row{display:flex;align-items:center;gap:8px;margin-top:8px}
.page-range-input{width:72px;padding:8px 10px;border:1px solid var(--input-border);border-radius:var(--radius-sm);background:var(--input-bg);color:var(--text-primary);font-size:.82rem;font-family:inherit;outline:none;text-align:center}
.page-range-input:focus{border-color:var(--brand)}.page-range-sep{font-size:.78rem;color:var(--text-tertiary)}.page-range-unit{font-size:.72rem;color:var(--text-tertiary)}
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 20px;border-radius:999px;font-size:.76rem;font-weight:600;font-family:inherit;cursor:pointer;border:none;transition:all .25s;white-space:nowrap;text-decoration:none}
.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover:not(:disabled){background:var(--brand-light);transform:translateY(-1px);box-shadow:var(--shadow)}
.btn-primary:disabled{opacity:.45;cursor:not-allowed}
.btn-secondary{background:transparent;color:var(--text-secondary);border:1px solid var(--border)}.btn-secondary:hover{border-color:var(--brand);color:var(--brand)}
.btn-pay{background:var(--green);color:#fff;padding:11px 24px;font-size:.86rem}.btn-pay:hover{background:var(--green-light);transform:translateY(-1px);box-shadow:var(--shadow)}
.pay-icon{font-size:1.1rem;line-height:1}.pay-hint{font-size:.7rem;color:var(--text-tertiary);text-align:center;margin-top:10px}
.options-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:16px}
.option-group{display:flex;flex-direction:column;gap:5px}.option-label{font-size:.62rem;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.06em}
.option-btns{display:flex;gap:5px;flex-wrap:wrap}
.option-btn{padding:8px 16px;border-radius:999px;border:1px solid var(--border);background:var(--bg-card);color:var(--text-secondary);font-size:.74rem;font-weight:500;font-family:inherit;cursor:pointer;transition:all .2s}
.option-btn:hover{border-color:var(--brand);color:var(--brand)}.option-btn.active{background:var(--brand);color:#fff;border-color:var(--brand)}
.copies-wrap{display:flex;align-items:center;gap:4px}
.copies-btn2{width:32px;height:32px;border-radius:50%;border:1px solid var(--border);background:var(--bg-card);color:var(--text-secondary);font-size:1rem;cursor:pointer;display:flex;align-items:center;justify-content:center;font-family:inherit;transition:all .2s}
.copies-btn2:hover{border-color:var(--brand);color:var(--brand)}
.copies-input2{width:52px;padding:7px;text-align:center;border:1px solid var(--input-border);border-radius:var(--radius-sm);background:var(--input-bg);color:var(--text-primary);font-size:.84rem;font-family:inherit;outline:none}
.copies-input2:focus{border-color:var(--brand)}
.step2-files-section{margin:14px 0 8px;padding:12px 14px;background:var(--file-item-bg);border-radius:var(--radius);border:1px solid var(--border)}
.step2-files-label{font-size:.72rem;font-weight:600;color:var(--brand);margin-bottom:8px}
.step2-files-section .file-list{margin-top:0}.step2-files-section .file-item{margin-bottom:6px;padding:8px 10px}
.price-preview,.price-preview-card{margin-top:18px;padding:20px;background:var(--glass-bg);border-radius:var(--radius);border:1px solid var(--border)}
.price-preview h4,.price-preview-hero{font-size:.92rem;font-weight:700;margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--border)}
.price-preview-amount{text-align:right;padding-top:8px;font-size:1.5rem;font-weight:700;color:var(--brand)}
.price-preview-formula,.price-preview-detail{font-size:.74rem;color:var(--text-tertiary)}
.price-row,.summary-row{display:flex;justify-content:space-between;padding:4px 0;font-size:.78rem;color:var(--text-secondary)}.price-row-label,.summary-label{font-weight:500}.price-row-val,.summary-value{font-weight:400}
.price-note{font-size:.68rem;color:var(--text-tertiary);margin-top:6px;line-height:1.5}
.info-form{display:grid;gap:14px}.form-group{display:flex;flex-direction:column;gap:4px}
.form-group label{font-size:.66rem;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}
.form-group input,.form-group textarea{padding:11px 14px;border:1px solid var(--input-border);border-radius:var(--radius);background:var(--input-bg);color:var(--text-primary);font-size:.84rem;font-family:inherit;outline:none;transition:border .25s,box-shadow .25s;resize:vertical}
.form-group input:focus,.form-group textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(196,115,79,0.12)}
.form-group input::placeholder,.form-group textarea::placeholder{color:var(--text-tertiary)}
.order-summary{font-size:.82rem;color:var(--text-secondary);line-height:1.8}.pay-status{margin:12px 0;font-size:.78rem;min-height:20px}
.pay-success-msg{color:var(--green);font-weight:500;text-align:center;padding:12px}
.pay-error-msg{color:#D4553F;font-weight:500;text-align:center;padding:12px}
.summary-section{margin-bottom:14px}.summary-section-title{font-size:.76rem;font-weight:700;color:var(--brand);margin-bottom:6px}
.summary-total-bar{display:flex;justify-content:space-between;padding:12px 0 0;margin-top:8px;border-top:2px solid var(--brand);font-size:1.2rem;font-weight:700}
.summary-total-label{color:var(--text-primary)}.summary-total-value{color:var(--brand)}.summary-formula-note{font-size:.68rem;color:var(--text-tertiary);text-align:right;margin-top:4px}
.success-content{text-align:center;padding:32px 20px}.success-icon{font-size:3rem;margin-bottom:16px;color:var(--green)}
.success-content h2{font-family:'Noto Serif SC',serif;font-size:1.4rem;margin-bottom:8px}
.success-content p{font-size:.84rem;color:var(--text-secondary);max-width:360px;margin:0 auto 6px;line-height:1.7}
.success-sub{font-size:.74rem;color:var(--text-tertiary)}
.modal-overlay{position:fixed;inset:0;z-index:1000;background:var(--preview-overlay);display:flex;align-items:center;justify-content:center;padding:20px}
.modal-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:0 8px 40px rgba(0,0,0,0.15);max-width:520px;width:100%;max-height:85vh;overflow-y:auto}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}
.modal-header h3{font-family:'Noto Serif SC',serif;font-size:1.1rem;font-weight:700}
.modal-close-btn{width:32px;height:32px;border-radius:50%;border:1px solid var(--border);background:var(--bg-card);color:var(--text-secondary);font-size:1.2rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}
.modal-close-btn:hover{border-color:#D4553F;color:#D4553F}.modal-body{padding:18px 20px 22px}
.price-table{width:100%;border-collapse:collapse;font-size:.78rem}.price-table th,.price-table td{padding:8px 12px;text-align:left;border-bottom:1px solid var(--border)}
.price-table th{font-weight:700;color:var(--text-secondary);font-size:.68rem;text-transform:uppercase;letter-spacing:.04em;background:var(--table-th-bg)}.price-table td{color:var(--text-primary)}
.price-table-link{color:var(--brand);font-weight:600;cursor:pointer;transition:text-decoration-color .2s;font-size:inherit;margin-left:4px}
.price-table-link:hover{text-decoration-color:var(--brand)}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:2000;padding:12px 24px;background:var(--bg-card);border:1px solid var(--border);border-radius:999px;box-shadow:0 8px 32px rgba(0,0,0,0.12);font-size:.8rem;color:var(--text-primary);font-weight:500;opacity:0;pointer-events:none;transition:opacity .3s}.toast.show{opacity:1;pointer-events:auto}
.query-search-section{padding:20px}.query-search-label{font-size:.7rem;font-weight:600;color:var(--text-secondary);margin-bottom:10px}
.query-search-row{display:flex;align-items:center;gap:10px;background:var(--input-bg);border:1px solid var(--input-border);border-radius:999px;padding:4px 4px 4px 18px}
.query-search-input{flex:1;min-width:0;border:none;background:transparent;color:var(--text-primary);font-size:.84rem;font-family:inherit;outline:none;padding:9px 0}.query-search-input::placeholder{color:var(--text-tertiary)}
.query-search-submit{flex-shrink:0}
.preview-modal-overlay{position:fixed;inset:0;z-index:2000;background:var(--preview-overlay);display:flex;align-items:center;justify-content:center;padding:20px}
.preview-backdrop{position:absolute;inset:0}
.preview-dialog{position:relative;z-index:1;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:0 8px 40px rgba(0,0,0,0.15);max-width:800px;width:100%;max-height:90vh;display:flex;flex-direction:column;overflow:hidden}
.preview-header-bar{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--border);flex-shrink:0}
.preview-title-text{font-size:.84rem;font-weight:600}
.preview-close-btn{width:32px;height:32px;border-radius:50%;border:1px solid var(--border);background:var(--bg-card);color:var(--text-secondary);font-size:1.1rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}
.preview-close-btn:hover{border-color:#D4553F;color:#D4553F}
.preview-body-area{flex:1;overflow-y:auto;padding:16px;min-height:200px;max-height:calc(90vh - 60px)}
.preview-loading-text{display:flex;align-items:center;justify-content:center;height:200px;font-size:.88rem;color:var(--text-tertiary)}
.preview-loading-overlay{text-align:center;padding:40px;color:var(--text-secondary)}
.preview-loading-spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--brand);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 14px}
@keyframes spin{to{transform:rotate(360deg)}}.preview-loading-large-hint{font-size:.72rem;color:var(--text-tertiary);margin-top:8px}
.preview-err{color:#D4553F;text-align:center;padding:30px;font-size:.88rem}.preview-info-card{text-align:center;padding:30px;color:var(--text-secondary);font-size:.88rem}
.preview-img-wrap{text-align:center}.preview-img-wrap img{max-width:100%;max-height:70vh;border-radius:var(--radius-sm)}
.preview-text-block{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:14px;max-height:500px;overflow-y:auto;font-size:.84rem;line-height:1.7;white-space:pre-wrap;color:#333}
body[data-theme="dark"] .preview-text-block{background:#1a1a1a;color:#e0e0e0}
.preview-pdf-info-bar{font-size:.72rem;color:var(--text-tertiary);margin-bottom:8px;text-align:center}
.preview-pages-container{display:flex;flex-direction:column;gap:16px}
.preview-page-frame{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 1px 6px rgba(0,0,0,.06);overflow:hidden;position:relative}
.preview-page-num{display:block;padding:5px 12px;background:rgba(196,115,79,.08);color:var(--brand);font-size:.72rem;font-weight:600;border-bottom:1px solid var(--border);text-align:left}
.preview-pdf-canvas{display:block;margin:0 auto;max-width:100%}.preview-pdf-iframe{display:block;width:100%;min-height:600px;max-height:85vh;border:1px solid #e0e0e0;border-radius:4px;background:#fff}
.preview-pptx-content{padding:12px 16px}.preview-pptx-content pre{white-space:pre-wrap;font-size:.85rem;line-height:1.7;font-family:inherit;color:var(--text-primary);margin:0}
.preview-xlsx-table-wrap{overflow-x:auto;padding:8px 12px}.preview-xlsx-table,.preview-xlsx-table-wrap table{border-collapse:collapse;width:100%;font-size:.78rem}
.preview-xlsx-table td,.preview-xlsx-table-wrap td,.preview-xlsx-table-wrap th{border:1px solid #e5e7eb;padding:4px 8px;min-width:60px;color:#333}
.preview-xlsx-table tr:nth-child(even) td,.preview-xlsx-table-wrap tr:nth-child(even) td{background:#f9fafb}
.preview-xlsx-table tr:first-child td,.preview-xlsx-table-wrap tr:first-child td,.preview-xlsx-table-wrap tr:first-child th{font-weight:600;background:var(--table-th-bg);color:var(--brand)}
body[data-theme="dark"] .preview-xlsx-table-wrap td,body[data-theme="dark"] .preview-xlsx-table-wrap th{border-color:rgba(255,255,255,.1);color:var(--text-primary)}
body[data-theme="dark"] .preview-page-frame{background:var(--input-bg)}body[data-theme="dark"] .preview-pdf-iframe{border-color:#444;background:#1a1a1a}
body[data-theme="dark"] .docx-preview-wrapper,body[data-theme="dark"] .docx-preview-wrapper .docx-page{background:#fff}
.docx-preview-wrapper{background:#fff;padding:0}.docx-preview-wrapper .docx-page{background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.1);margin:0 auto 20px;position:relative}
.preview-pdf-progress{width:100%;height:6px;background:var(--border);border-radius:3px;margin:10px 0 4px;overflow:hidden}
.preview-pdf-progress-fill{height:100%;background:linear-gradient(90deg,var(--brand),var(--green));border-radius:3px;width:0;transition:width .3s}
.preview-pdf-progress-text{text-align:center;font-size:.72rem;color:var(--text-secondary);margin-bottom:6px}
.query-result-modal-card{max-width:580px}
.site-footer{text-align:center;padding:32px 20px 20px;margin-top:6px;border-top:1px solid var(--border);font-size:.66rem;color:var(--text-tertiary);letter-spacing:.03em}
@media(max-width:480px){.page-content{padding:22px 12px 34px}.hero{padding:28px 16px 24px}.hero h1{font-size:1.4rem}.section-card{padding:20px 14px;border-radius:var(--radius)}.steps-bar{padding:14px 8px;overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius-lg)}.step-connector{min-width:8px;margin:0 4px}.options-grid{grid-template-columns:1fr 1fr;gap:12px}.query-search-row{padding:4px 4px 4px 14px}.upload-zone{padding:32px 14px}.modal-card{max-width:95vw}.preview-dialog{max-width:95vw}.preview-pdf-iframe{min-height:350px;max-height:60vh}.file-item{padding:10px 12px}}
@media(min-width:768px){.page-content{padding:40px 24px 64px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}

  
/* ===== Missing Keyframes ===== */
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes preview-spin{to{transform:rotate(360deg)}}
@keyframes preview-progress-indeterminate{0%{left:-40%;width:40%}50%{left:30%;width:50%}100%{left:100%;width:40%}}
@keyframes preview-progress-pulse{0%,100%{opacity:.8}50%{opacity:.4}}
@keyframes previewFadeIn{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}
@keyframes previewSlideUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
/* ===== Missing CSS Classes (used by script.js) ===== */
.loading-spinner{display:inline-block;width:18px;height:18px;border:2px solid var(--border);border-top-color:var(--brand);border-radius:50%;animation:spin .6s linear infinite;vertical-align:middle;margin-right:6px}
.preview-progress-bar{width:100%;max-width:320px;height:6px;background:var(--border);border-radius:3px;overflow:hidden}
.preview-progress-fill{height:100%;background:linear-gradient(90deg,var(--brand),var(--brand-light));border-radius:3px}
.preview-progress-determinate{width:60%;animation:preview-progress-pulse 1.8s ease-in-out infinite}
.preview-progress-indeterminate{width:30%;animation:preview-progress-indeterminate 1.6s ease-in-out infinite}
.preview-loading-title{color:var(--text-primary);font-size:1rem;font-weight:600;margin:0}
.preview-loading-hint{color:var(--text-tertiary);font-size:.72rem;margin-top:6px}
.preview-img{max-width:100%;max-height:68vh;border-radius:8px;box-shadow:0 4px 16px rgba(0,0,0,.1)}
.preview-pdf-more-hint{text-align:center;font-size:.82rem;color:var(--text-tertiary);padding:10px 0}
.preview-pdf-pages{display:flex;flex-direction:column;gap:14px;align-items:center}
.preview-pdf-page-item{text-align:center}
.preview-close{background:none;border:none;color:var(--text-secondary);font-size:1.4rem;cursor:pointer}
.preview-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--border)}
.preview-modal{position:fixed;inset:0;z-index:1000;background:var(--preview-overlay);display:flex;align-items:center;justify-content:center;padding:20px}
.preview-body{background:#fff}
.preview-content{width:100%;max-width:700px;background:var(--bg-card);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border)}
.preview-docx-content{font-size:.88rem;line-height:1.7;color:var(--text-primary)}
.error{border-color:#ff6b6b!important;color:#ff6b6b}
.file-item-info{flex:1;min-width:0}
.file-item-meta{font-size:.7rem;color:var(--text-tertiary)}
.file-item-preview{flex-shrink:0;padding:4px 10px;border-radius:999px;border:1px solid var(--border);background:var(--glass-bg);color:var(--text-secondary);font-size:.7rem;cursor:pointer;font-family:inherit}
.query-card-body{padding:8px 12px 12px}
.query-card-date{font-size:.68rem;color:var(--text-tertiary);white-space:nowrap}
.query-card-header{padding:10px 12px}
.query-card-id{font-weight:700;font-size:.88rem;color:var(--brand);white-space:nowrap}
.query-card-id-row{display:flex;align-items:center;gap:10px}
.query-card-status{font-size:.68rem;font-weight:600;padding:3px 10px;border-radius:999px;white-space:nowrap}
.query-form{display:flex;flex-direction:column;gap:12px}
.query-input-group{display:flex;flex-direction:column;gap:4px}
.query-modal-card{max-width:520px}
.query-order-card{margin:0}
.query-result{margin-top:16px}
.query-result-empty{text-align:center;padding:20px;color:var(--text-tertiary);font-size:.85rem}
.query-result-list{display:flex;flex-direction:column;gap:12px}
.query-search-btn{width:100%;justify-content:center}
.result-title{font-size:.78rem;font-weight:600;color:var(--text-secondary);margin-bottom:10px}
.status-deleted{background:rgba(255,107,107,.1);color:#ff6b6b}
.status-delivered{background:rgba(91,140,90,.12);color:var(--green)}
.status-paid{background:rgba(196,115,79,.12);color:var(--brand-light)}
.qc-icon{flex-shrink:0;font-size:.85rem;width:20px;text-align:center}
.qc-label{color:var(--text-tertiary);flex-shrink:0;font-weight:500}
.qc-row{font-size:.74rem}
.qc-value{color:var(--text-secondary);word-break:break-all}
.price-preview-title{padding:10px 16px;background:rgba(196,115,79,.06);border-bottom:1px solid var(--border);font-size:.82rem;font-weight:700;color:var(--brand)}
.price-row-discount{background:rgba(91,140,90,.06);color:var(--green)}
.price-row-total{background:rgba(196,115,79,.04);font-size:.88rem;font-weight:700}
.summary-block{display:flex;flex-direction:column;gap:1px;background:var(--border);border-radius:var(--radius-sm);overflow:hidden}
.summary-block-new{border-radius:var(--radius);overflow:hidden;background:var(--file-item-bg);border:1px solid var(--border)}
.summary-row-formula{background:rgba(196,115,79,.03);font-size:.78rem;color:var(--brand-light)}
.summary-total{border-top:2px solid var(--brand);background:rgba(196,115,79,.06);font-weight:700;font-size:.9rem}
.upload-icon{font-size:2.5rem;margin-bottom:10px}
.upload-progress-wrap{margin-top:12px;display:none}
.upload-text{font-size:.9rem;color:var(--text-primary);margin-bottom:4px}
.preview-pdf-info-bar{display:flex;justify-content:center;align-items:center;gap:8px;padding:6px 12px;background:var(--glass-bg);border-radius:var(--radius-sm);font-size:.75rem;color:var(--text-secondary)}
.preview-pdf-progress{width:100%;height:6px;background:var(--border);border-radius:3px;margin:10px 0 4px;overflow:hidden}
.preview-pdf-progress-fill{height:100%;background:linear-gradient(90deg,var(--brand),var(--green));border-radius:3px;width:0%;transition:width .3s}
.preview-pdf-progress-text{text-align:center;font-size:0.72rem;color:var(--text2);margin-bottom:6px}


/* 圆角椭圆按钮 (查看收费标准) */
.pill-btn {
  border-radius: 50px !important;
  padding: 4px 16px !important;
  font-size: 0.8rem !important;
  border: 1px solid var(--accent, #c4a265) !important;
  background: transparent !important;
  color: var(--accent, #c4a265) !important;
  cursor: pointer;
  transition: all 0.2s ease;
}
.pill-btn:hover {
  background: var(--accent, #c4a265) !important;
  color: #fff !important;
}

/* 管理员后台 Toast */
.admin-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--text-primary, #1a1a1a);
  color: #fff;
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 0.9rem;
  z-index: 10000;
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
}
.admin-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.preview-progress-bar{width:200px;height:4px;background:var(--border);border-radius:2px;overflow:hidden;margin:8px auto 0}.preview-progress-fill{height:100%;background:var(--brand);border-radius:2px;transition:width .3s ease;width:0%}.preview-progress-text{font-size:.78rem;color:var(--text-tertiary);margin-top:4px;font-variant-numeric:tabular-nums}.preview-progress-overlay{position:fixed;inset:0;background:var(--bg-primary);z-index:9999;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px}