:root{--primary-color:#107c41;--primary-hover:#0b5c30;--primary-light:#169b52;--primary-glow:rgba(16,124,65,.25);--accent-color:#217346;--excel-green-light:#eef8f2;--excel-green-border:rgba(16,124,65,.18);--excel-green-surface:#f3f9f5;--bg-color:#f4f6f8;--card-bg:#fff;--card-border:rgba(16,124,65,.15);--text-color:#1e293b;--text-muted:#64748b;--text-link:#107c41;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--max-width:min(100% - 32px, 1720px);--transition:all .2s cubic-bezier(.4, 0, .2, 1);--shadow-card:0 1px 3px rgba(0,0,0,.04), 0 6px 20px -2px rgba(16,124,65,.08);--shadow-elevated:0 12px 32px -4px rgba(0,0,0,.12), 0 4px 12px rgba(16,124,65,.1)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-color);font-family:var(--font-sans);flex-direction:column;min-height:100vh;line-height:1.6;display:flex;overflow-x:hidden}.lang-nav-container{max-width:var(--max-width);-webkit-backdrop-filter:blur(12px);width:100%;transition:var(--transition);background:rgba(255,255,255,.85);border-bottom:1px solid rgba(0,0,0,.06);margin:0 auto;position:static}.lang-nav{white-space:nowrap;box-sizing:border-box;width:100%;transition:var(--transition);flex-wrap:nowrap;align-items:center;gap:4px 12px;padding:6px 12px;display:flex;overflow:hidden}.lang-nav-container:hover .lang-nav{white-space:normal;flex-wrap:wrap;padding:6px 12px 8px}.lang-nav a{color:var(--text-muted);white-space:nowrap;transition:var(--transition);font-size:12px;font-weight:500;line-height:1.4;text-decoration:none}.lang-nav a:hover{color:var(--primary-color);text-decoration:underline;transform:translateY(-1px)}@media (max-width:1240px){.lang-nav-container,.app-container{padding-left:16px;padding-right:16px}}.footer-lang-nav a{color:var(--text-muted);transition:var(--transition);background:rgba(16,124,65,.06);border:1px solid rgba(16,124,65,.12);border-radius:6px;padding:4px 10px;font-size:12px;font-weight:500;text-decoration:none;display:inline-block}.footer-lang-nav a:hover{color:var(--primary-color);background:rgba(16,124,65,.12);border-color:rgba(16,124,65,.28);text-decoration:none;transform:translateY(-1px)}.app-container{max-width:var(--max-width);flex-direction:column;flex:1;width:100%;margin:0 auto;padding:14px 0 24px;display:flex}.app-body{width:100%}.brand-section{justify-content:space-between;align-items:center;gap:24px;width:100%;margin-bottom:10px;display:flex}.brand-info{flex-direction:column;flex:1;align-items:flex-start;min-width:0;display:flex}.toolbox-badge-wrapper{justify-content:flex-start;margin-bottom:4px;display:flex}.toolbox-badge{color:#107c41;letter-spacing:.01em;transition:var(--transition);background:linear-gradient(135deg,rgba(16,124,65,.08) 0%,rgba(33,115,70,.15) 100%);border:1px solid rgba(16,124,65,.25);border-radius:30px;align-items:center;gap:5px;padding:3px 11px;font-size:11px;font-weight:700;text-decoration:none;display:inline-flex;box-shadow:0 2px 8px rgba(16,124,65,.08)}.toolbox-badge:hover{background:linear-gradient(135deg,rgba(16,124,65,.15) 0%,rgba(33,115,70,.22) 100%);border-color:#169b52;transform:translateY(-1px);box-shadow:0 4px 14px rgba(16,124,65,.18)}.toolbox-badge svg{fill:currentColor;width:11px;height:11px;transition:var(--transition)}.toolbox-badge:hover svg{transform:translate(2px)}.app-header{text-align:left}.app-title{letter-spacing:-.015em;background:linear-gradient(135deg,#0b4f28 0%,#107c41 50%,#1b8a4b 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-top:0;margin-bottom:3px;font-size:1.6rem;font-weight:800;line-height:1.25}.app-description{color:var(--text-muted);max-width:100%;font-size:.9rem;line-height:1.4}.header-ad{background:rgba(0,0,0,.02);border:1px solid rgba(0,0,0,.04);border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:728px;height:90px;display:flex;overflow:hidden}#vueApp{background:var(--card-bg);border:1px solid var(--card-border);box-shadow:var(--shadow-card);transition:var(--transition);border-radius:12px;flex-direction:column;margin:6px 0 16px;padding:0;display:flex;overflow:hidden}.excel-toolbar{background:#fdfefe;border-bottom:1px solid #e5e7eb;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:10px 16px;display:flex}.toolbar-group{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.toolbar-file-info{background:var(--excel-green-light);border:1px solid var(--excel-green-border);color:#0b5c30;border-radius:6px;align-items:center;gap:8px;max-width:320px;padding:4px 10px;font-size:12px;display:inline-flex}.toolbar-file-name{text-overflow:ellipsis;white-space:nowrap;font-weight:600;overflow:hidden}.toolbar-file-size{color:var(--text-muted);font-size:11px}.file-input{display:none}button,.btn{color:#fff;cursor:pointer;transition:var(--transition);background:linear-gradient(135deg,#0d6e38 0%,#107c41 50%,#169b52 100%);border:none;border-radius:6px;justify-content:center;align-items:center;gap:6px;padding:8px 16px;font-size:13px;font-weight:600;display:inline-flex;box-shadow:0 2px 8px rgba(16,124,65,.25)}button:hover,.btn:hover{background:linear-gradient(135deg,#094d26 0%,#0b5c30 50%,#128244 100%);transform:translateY(-1px);box-shadow:0 4px 14px rgba(16,124,65,.35)}button:active,.btn:active{transform:translateY(0)}.btn-secondary{color:#374151;background:#fff;border:1px solid #d1d5db;box-shadow:0 1px 2px rgba(0,0,0,.05)}.btn-secondary:hover{color:#111827;background:#f9fafb;border-color:#9ca3af;box-shadow:0 2px 6px rgba(0,0,0,.08)}.btn-icon{fill:currentColor;width:14px;height:14px}.excel-dropzone{text-align:center;cursor:pointer;transition:var(--transition);background:linear-gradient(#f7fdf9 0%,#edf9f1 100%);border:2px dashed #bbf7d0;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;margin:16px;padding:56px 24px;display:flex;position:relative}.excel-dropzone:hover,.excel-dropzone.drag-active{background:#e8f7ee;border-color:#107c41;transform:scale(1.002);box-shadow:0 8px 24px rgba(16,124,65,.12)}.dropzone-icon{color:#107c41;width:64px;height:64px;margin-bottom:16px}.dropzone-title{color:#1e293b;margin-bottom:6px;font-size:18px;font-weight:700}.dropzone-desc{color:var(--text-muted);margin-bottom:18px;font-size:13px}.dropzone-badges{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;margin-top:14px;display:flex}.format-badge{color:#107c41;background:#fff;border:1px solid rgba(16,124,65,.25);border-radius:4px;padding:2px 8px;font-size:11px;font-weight:600}.excel-viewer-container{background:#fff;width:100%;height:calc(100vh - 210px);min-height:72vh;display:none;position:relative;overflow:hidden}.excel-viewer-container.active{display:block}flyfish-file-viewer{width:100%;height:100%;display:block}#vueApp.fullscreen-mode{z-index:9999;border:none;border-radius:0;width:100vw;height:100vh;margin:0;position:fixed;top:0;bottom:0;left:0;right:0}#vueApp.fullscreen-mode .excel-viewer-container{height:calc(100vh - 56px)}.app-footer{max-width:var(--max-width);-webkit-backdrop-filter:blur(10px);background:rgba(255,255,255,.5);border-top:1px solid rgba(0,0,0,.05);width:100%;margin:auto auto 0}.footer-content{max-width:var(--max-width);text-align:center;flex-direction:column;align-items:center;gap:12px;margin:0 auto;padding:16px 20px;display:flex}.footer-lang-nav{flex-wrap:wrap;justify-content:center;gap:8px 12px;width:100%;padding:4px 0 8px;display:flex}.footer-links{align-items:center;gap:24px;display:flex}.footer-link{color:var(--primary-color);transition:var(--transition);background:rgba(16,124,65,.06);border:1px solid rgba(16,124,65,.25);border-radius:20px;padding:5px 12px;font-size:13px;font-weight:600;text-decoration:none;display:inline-block}.footer-link:hover{color:var(--primary-hover);background:rgba(16,124,65,.12);border-color:rgba(16,124,65,.5);transform:translateY(-1px)}@media (max-width:1024px){.brand-section{text-align:left;flex-direction:column;align-items:flex-start;gap:16px}.brand-info{align-items:flex-start}.app-header{text-align:left}.toolbox-badge-wrapper{justify-content:flex-start}}@media (max-width:768px){.app-title{font-size:1.35rem}.header-ad{display:none}.lang-nav,.app-container{padding-left:8px;padding-right:8px}.excel-dropzone{margin:10px;padding:36px 16px}.excel-viewer-container{height:65vh;min-height:60vh}.footer-lang-nav{justify-content:flex-start}}.custom-toast-container{z-index:999999;pointer-events:none;flex-direction:column;align-items:center;gap:10px;display:flex;position:fixed;top:24px;left:50%;transform:translate(-50%)}.custom-toast{color:#fff;-webkit-backdrop-filter:blur(8px);opacity:0;pointer-events:auto;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;background:rgba(15,23,42,.9);border-radius:30px;align-items:center;gap:8px;padding:9px 18px;font-size:13px;font-weight:600;transition:opacity .25s cubic-bezier(.4,0,.2,1),transform .25s cubic-bezier(.4,0,.2,1);display:inline-flex;transform:translateY(-16px)scale(.95);box-shadow:0 8px 24px rgba(0,0,0,.18),0 2px 6px rgba(0,0,0,.08)}.custom-toast.toast-show{opacity:1;transform:translateY(0)scale(1)}.custom-toast.toast-hide{opacity:0;transform:translateY(-16px)scale(.95)}.custom-toast.toast-success{background:linear-gradient(135deg,#0b5c30 0%,#107c41 100%);box-shadow:0 8px 24px rgba(16,124,65,.35)}.custom-toast.toast-error,.custom-toast.toast-warning{background:linear-gradient(135deg,#e11d48 0%,#f43f5e 100%);box-shadow:0 8px 24px rgba(225,29,72,.35)}.custom-toast.toast-info{background:linear-gradient(135deg,#0b5c30 0%,#107c41 100%);box-shadow:0 8px 24px rgba(16,124,65,.35)}.toast-icon{background:rgba(255,255,255,.25);border-radius:50%;justify-content:center;align-items:center;width:18px;height:18px;font-size:11px;font-weight:800;display:inline-flex}.adblock-modal-overlay{-webkit-backdrop-filter:blur(8px);z-index:99999;background:rgba(15,23,42,.7);justify-content:center;align-items:center;padding:20px;animation:.2s ease-out adblockFadeIn;display:flex;position:fixed;top:0;bottom:0;left:0;right:0}@keyframes adblockFadeIn{0%{opacity:0}to{opacity:1}}.adblock-modal-card{background:var(--card-bg,#fff);border:1px solid var(--card-border,#e2e8f0);text-align:center;border-radius:16px;flex-direction:column;gap:16px;width:100%;max-width:480px;padding:28px 24px;animation:.25s ease-out adblockSlideUp;display:flex;position:relative;transform:translateY(0);box-shadow:0 20px 48px rgba(0,0,0,.25)}@keyframes adblockSlideUp{0%{opacity:0;transform:translateY(16px)scale(.97)}to{opacity:1;transform:translateY(0)scale(1)}}.adblock-close-btn{width:32px;height:32px;color:var(--text-muted,#64748b);cursor:pointer;transition:var(--transition);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:18px;display:flex;position:absolute;top:14px;right:14px}.adblock-close-btn:hover{background:var(--bg-color,#f1f5f9);color:var(--text-color,#0f172a)}.adblock-modal-header{flex-direction:column;align-items:center;gap:8px;display:flex}.adblock-warning-badge{font-size:36px;line-height:1}.adblock-title{color:var(--text-color,#0f172a);margin:0;font-size:19px;font-weight:800}.adblock-body{text-align:left;flex-direction:column;gap:10px;display:flex}.adblock-desc{color:var(--text-color,#334155);margin:0;font-size:14px;line-height:1.5}.adblock-steps-box{background:var(--bg-color,#f8fafc);border:1px solid var(--card-border,#e2e8f0);border-radius:10px;margin-top:4px;padding:14px 16px}.steps-title{color:var(--primary-color,#107c41);margin-bottom:8px;font-size:13px;font-weight:700}.steps-list{color:var(--text-muted,#475569);margin:0;padding-left:18px;font-size:12px;line-height:1.7}.adblock-footer{margin-top:6px;display:flex}.btn-retry-ad{color:#fff;cursor:pointer;width:100%;transition:var(--transition);background:linear-gradient(135deg,#107c41 0%,#0b5c30 100%);border:none;border-radius:8px;padding:12px 20px;font-size:14px;font-weight:700;box-shadow:0 4px 14px rgba(16,124,65,.35)}.btn-retry-ad:hover{background:linear-gradient(135deg,#0b5c30 0%,#084323 100%);transform:translateY(-1px);box-shadow:0 6px 18px rgba(16,124,65,.45)}.info-guide-wrap{flex-direction:column;gap:16px;margin:16px 0 24px;display:flex}.guide-article-card{background:var(--card-bg);border:1px solid var(--card-border);box-shadow:var(--shadow-card);border-radius:12px;padding:24px 28px}.guide-article-h2{color:#1e293b;border-bottom:1px solid #f1f5f9;align-items:center;gap:8px;margin-bottom:16px;padding-bottom:12px;font-size:1.25rem;font-weight:700;display:flex}.guide-h2-icon{font-size:1.2rem;line-height:1}.guide-article-h3{color:#0f172a;margin:18px 0 10px;font-size:1rem;font-weight:700}.guide-body-text{color:#334155;font-size:.92rem;line-height:1.7}.guide-body-text p{margin-bottom:12px}.guide-body-text code{background:var(--excel-green-light);color:#0b5c30;border:1px solid var(--excel-green-border);border-radius:4px;padding:2px 6px;font-family:inherit;font-size:.88em}.guide-steps-container{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px;margin:14px 0 18px;display:grid}.step-card-item{background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;align-items:flex-start;gap:12px;padding:16px;display:flex}.step-num-circle{color:#fff;background:linear-gradient(135deg,#107c41 0%,#169b52 100%);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:13px;font-weight:700;display:flex}.step-card-content{flex:1}.step-card-title{color:#0f172a;margin-bottom:4px;font-size:.95rem;font-weight:700}.step-card-desc{color:var(--text-muted);font-size:.85rem;line-height:1.5}.platform-badge-group{flex-wrap:wrap;gap:8px;margin:12px 0 16px;display:flex}.platform-badge{background:var(--excel-green-surface);border:1px solid var(--excel-green-border);color:#0b5c30;border-radius:8px;align-items:center;gap:6px;padding:6px 12px;font-size:12px;font-weight:600;display:inline-flex}.trouble-grid{flex-direction:column;gap:12px;margin-top:12px;display:flex}.trouble-item{background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;padding:14px 16px}.trouble-title{color:#0f172a;margin-bottom:6px;font-size:.92rem;font-weight:700}.trouble-desc{color:#475569;font-size:.86rem;line-height:1.6}.features-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;margin-top:14px;display:grid}.feature-item-card{transition:var(--transition);background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;flex-direction:column;gap:6px;padding:16px;display:flex}.feature-item-card:hover{border-color:var(--excel-green-border);background:#f4fbf6;transform:translateY(-1px)}.feature-item-header{align-items:center;gap:8px;display:flex}.feature-item-icon{font-size:1.25rem;line-height:1}.feature-item-title{color:#0f172a;font-size:.95rem;font-weight:700}.feature-item-desc{color:#475569;font-size:.86rem;line-height:1.55}@media (max-width:768px){.guide-article-card{padding:18px 16px}.guide-article-h2{font-size:1.12rem}.guide-steps-container,.features-grid{grid-template-columns:1fr}}