.controls-panel{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;margin-top:1.25rem;display:flex;flex-direction:column;gap:1rem}.control-row{display:flex;gap:1rem;align-items:flex-end;flex-wrap:wrap}.control-group{display:flex;flex-direction:column;gap:0.3rem}.control-group label{font-size:0.75rem;font-weight:700;text-transform:uppercase;letter-spacing:0.05em;color:var(--text-secondary)}.control-group input[type=number],.control-group select{padding:0.45rem 0.65rem;border:1px solid var(--border);border-radius:var(--radius);font-size:0.9rem;background:var(--bg-secondary);color:var(--text-primary);min-width:90px}.control-group select{min-width:140px}.control-group input[type=range]{width:180px;accent-color:var(--accent);margin-top:0.2rem}.control-group input[type=color]{width:56px;height:38px;padding:2px;border:1px solid var(--border);border-radius:var(--radius);cursor:pointer}.hidden{display:none !important}.btn-process{width:100%;padding:0.85rem 1.5rem;font-size:1rem;font-weight:600;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);cursor:pointer;margin-top:0.75rem;transition:background 0.15s,transform 0.1s}.btn-process:hover:not(:disabled){background:var(--accent-hover);transform:translateY(-1px)}.btn-process:active:not(:disabled){transform:translateY(0)}.btn-process:disabled{opacity:0.45;cursor:not-allowed;transform:none}@media (max-width:600px){.btn-process{padding:1rem 1.5rem;font-size:1.05rem;margin-top:1rem}}#convert-btn,#convert-all-btn{display:flex;align-items:center;justify-content:center;width:100%;padding:0.85rem 1.5rem;font-size:1rem;font-weight:600;margin-top:0.75rem;border-radius:var(--radius)}@media (max-width:600px){#convert-btn,#convert-all-btn{padding:1rem 1.5rem;font-size:1.05rem;margin-top:1rem}}.output-section{margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--border)}.before-after{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1rem}.ba-box{display:flex;flex-direction:column;gap:0.4rem}.ba-label{font-size:0.75rem;font-weight:700;text-transform:uppercase;letter-spacing:0.05em;color:var(--text-secondary)}.ba-img{width:100%;border-radius:var(--radius);border:1px solid var(--border);object-fit:contain;max-height:380px;background:var(--checker)}.stats-bar{display:flex;gap:1rem;flex-wrap:wrap;align-items:center;font-size:0.875rem;font-family:var(--font-mono);color:var(--text-secondary);margin-bottom:1rem}.btn-download{display:inline-flex;align-items:center;gap:0.5rem;padding:0.6rem 1.5rem;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);font-size:0.9rem;font-weight:600;cursor:pointer;text-decoration:none}.btn-download:hover{background:var(--accent-hover);text-decoration:none;color:#fff}.spinner-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:color-mix(in srgb,var(--bg-card) 80%,transparent);backdrop-filter:blur(2px);border-radius:var(--radius);z-index:10}.spinner{width:34px;height:34px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin 0.7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.processing{position:relative;pointer-events:none;opacity:0.7}#toast-container{position:fixed;bottom:1.5rem;right:1.5rem;z-index:2000;display:flex;flex-direction:column;gap:0.5rem;pointer-events:none}.toast{padding:0.7rem 1.1rem 0.7rem 0.9rem;border-left:4px solid transparent;border-radius:var(--radius);font-size:0.875rem;background:var(--bg-card);border:1px solid var(--border);color:var(--text-primary);box-shadow:var(--shadow-md);animation:toastIn 0.2s ease;max-width:320px}.toast-success{border-left-color:var(--success);color:var(--success)}.toast-error{border-left-color:var(--error);color:var(--error)}.toast-info{border-left-color:var(--accent);color:var(--accent)}.toast-hide{opacity:0;transform:translateX(20px);transition:opacity 0.3s,transform 0.3s}@keyframes toastIn{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:none}}.canvas-wrap{position:relative;display:block;margin-top:0.75rem;line-height:0}#crop-canvas{display:block;max-width:100%;border-radius:var(--radius);border:1px solid var(--border);cursor:crosshair}@media (max-width:600px){.before-after{grid-template-columns:1fr}.control-row{flex-direction:column;align-items:stretch}.control-group input[type=range]{width:100%}}.batch-results{display:flex;flex-direction:column;gap:0.6rem}.batch-item{display:flex;align-items:center;gap:0.85rem;padding:0.65rem 0.85rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-secondary)}.batch-thumb{width:48px;height:48px;object-fit:cover;border-radius:4px;flex-shrink:0}.batch-info{flex:1;min-width:0}.effect-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0.65rem}.effect-card{border:1px solid var(--border);border-radius:var(--radius);padding:0.75rem 0.5rem;text-align:center;cursor:pointer;font-size:0.82rem;line-height:1.6;background:var(--bg-main);transition:border-color 0.15s,background 0.15s,color 0.15s;user-select:none}.effect-card:hover{border-color:var(--accent);background:var(--accent-subtle)}.effect-card.active{border-color:var(--accent);background:var(--accent-subtle);color:var(--accent);font-weight:600}@media (max-width:600px){.effect-grid{grid-template-columns:repeat(2,1fr)}}.transform-btn-group{display:flex;gap:0.6rem;flex-wrap:wrap}.btn-transform{display:flex;flex-direction:column;align-items:center;gap:0.3rem;padding:0.75rem 1rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-main);cursor:pointer;font-size:1.3rem;line-height:1;transition:border-color 0.15s,background 0.15s;min-width:90px}.btn-transform span{font-size:0.75rem;color:var(--text-secondary);white-space:nowrap}.btn-transform:hover{border-color:var(--accent);background:var(--accent-subtle)}.btn-transform:hover span{color:var(--accent)}@media (max-width:600px){.btn-transform{min-width:70px;padding:0.6rem 0.7rem;font-size:1.1rem}}.frame-timeline{display:flex;gap:0.5rem;overflow-x:auto;padding:0.5rem 0 0.75rem;min-height:130px}.frame-card{flex-shrink:0;width:90px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-secondary);padding:0.4rem;display:flex;flex-direction:column;align-items:center;gap:0.25rem;cursor:grab;user-select:none;position:relative;transition:border-color 0.15s,box-shadow 0.15s}.frame-card.dragging{opacity:0.45}.frame-card.drag-over{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-ring)}.frame-thumb{width:72px;height:60px;object-fit:cover;border-radius:3px;border:1px solid var(--border)}.frame-num{font-size:0.7rem;font-family:var(--font-mono);color:var(--text-secondary)}.frame-delay-label{font-size:0.7rem;font-family:var(--font-mono);color:var(--text-secondary)}.frame-delay-input{width:68px;font-size:0.75rem;padding:0.15rem 0.3rem;border:1px solid var(--border);border-radius:4px;text-align:center;background:var(--bg-main);color:var(--text-primary)}.frame-actions{display:flex;gap:0.3rem}.frame-btn{background:none;border:1px solid var(--border);border-radius:4px;cursor:pointer;font-size:0.8rem;padding:0.1rem 0.35rem;line-height:1.4}.frame-btn:hover{border-color:var(--accent);color:var(--accent)}.frame-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0.75rem;margin-top:1rem}.split-frame-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-secondary);overflow:hidden;display:flex;flex-direction:column;align-items:center}.split-frame-img{width:100%;aspect-ratio:1;object-fit:cover;display:block;background:var(--checker)}.split-frame-meta{display:flex;justify-content:space-between;width:100%;padding:0.3rem 0.5rem;font-size:0.75rem;font-family:var(--font-mono)}.split-frame-num{font-weight:600;color:var(--text-primary)}.split-frame-delay{color:var(--text-secondary)}.split-dl-btn{width:100%;padding:0.35rem;background:none;border:none;border-top:1px solid var(--border);cursor:pointer;font-size:0.8rem;color:var(--accent);transition:background 0.15s}.split-dl-btn:hover{background:var(--accent-subtle)}.gif-info-card{background:var(--bg-main)}.info-kv-list{display:flex;flex-direction:column;gap:0.5rem}.info-kv{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;padding:0.35rem 0;border-bottom:1px solid var(--border)}.info-kv:last-child{border-bottom:none}.info-key{font-size:0.8rem;font-weight:700;text-transform:uppercase;letter-spacing:0.05em;color:var(--text-secondary);white-space:nowrap}.info-val{font-family:var(--font-mono);font-size:0.875rem;color:var(--text-primary);text-align:right}.frame-table{width:100%;border-collapse:collapse;font-size:0.85rem}.frame-table th{text-align:left;padding:0.4rem 0.5rem;font-size:0.72rem;font-weight:700;text-transform:uppercase;letter-spacing:0.05em;color:var(--text-secondary);border-bottom:2px solid var(--border)}.frame-table td{padding:0.35rem 0.5rem;border-bottom:1px solid var(--border)}.frame-row-active td{background:var(--accent-subtle)}.frame-row-active td:first-child{border-left:3px solid var(--accent)}@media (max-width:768px){.frame-grid{grid-template-columns:repeat(2,1fr)}#analysis-layout{grid-template-columns:1fr !important}}@media (max-width:480px){.frame-grid{grid-template-columns:repeat(2,1fr)}.frame-timeline{gap:0.35rem}.frame-card{width:75px}.frame-thumb{width:60px;height:50px}}.toolbar-label{font-size:0.72rem;font-weight:700;text-transform:uppercase;letter-spacing:0.05em;color:var(--text-secondary);white-space:nowrap}.toolbar-btn{padding:0.35rem 0.75rem;font-size:0.82rem;font-weight:500;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-main);cursor:pointer;white-space:nowrap;transition:border-color 0.15s,background 0.15s,color 0.15s}.toolbar-btn:hover{border-color:var(--accent);background:var(--accent-subtle);color:var(--accent)}.toolbar-btn.active{border-color:var(--accent);background:var(--accent);color:#fff}.toolbar-btn.danger:hover{border-color:#dc2626;background:#fef2f2;color:#dc2626}.editor-frame.selected{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-ring);background:var(--accent-subtle)}.ffmpeg-progress-bar{width:100%;height:8px;background:var(--border);border-radius:4px;overflow:hidden}.ffmpeg-progress-fill{height:100%;width:0%;background:var(--accent);border-radius:4px;transition:width 0.3s ease}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px}@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:0.01ms !important;transition-duration:0.01ms !important}.spinner{animation:none !important;border-top-color:var(--accent)}}.text-secondary-aa{color:#4b5563}.skip-link{position:absolute;top:-100%;left:0;padding:0.5rem 1rem;background:var(--accent);color:#fff;font-weight:600;z-index:9999;border-radius:0 0 var(--radius) 0}.skip-link:focus{top:0}.file-list{display:flex;flex-direction:column;gap:0.5rem;margin:1rem 0}.file-list-row{display:flex;align-items:center;gap:0.75rem;padding:0.5rem 0.75rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-card);font-size:0.85rem;overflow:hidden}.file-thumb{width:40px;height:40px;object-fit:cover;border-radius:4px;flex-shrink:0;background:var(--border)}.file-format-badge{padding:0.15rem 0.45rem;border-radius:4px;background:var(--accent);color:#fff;font-size:0.72rem;font-weight:600;flex-shrink:0}.file-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-dims{color:var(--text-muted);flex-shrink:0}.file-size{color:var(--text-muted);flex-shrink:0;font-weight:500}.file-remove-btn{flex-shrink:0;background:none;border:1px solid var(--border-strong);color:var(--text-secondary);font-size:1rem;line-height:1;cursor:pointer;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:color 0.12s,background 0.12s,border-color 0.12s}.file-remove-btn:hover{color:var(--error);border-color:var(--error);background:color-mix(in srgb,var(--error) 12%,transparent)}.select-input{width:100%;padding:0.45rem 0.6rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-main);font-family:inherit;font-size:0.9rem;cursor:pointer}.range-input{width:100%;accent-color:var(--accent)}.dimension-inputs{display:flex;align-items:center;gap:0.5rem;flex-wrap:wrap}.dimension-inputs .num-input{width:100px;padding:0.4rem 0.5rem;border:1px solid var(--border);border-radius:var(--radius);font-family:inherit;font-size:0.9rem}.dim-sep{color:var(--text-muted);font-weight:600}.checkbox-label{display:flex;align-items:center;gap:0.35rem;font-size:0.88rem;cursor:pointer;user-select:none}.ico-sizes{display:flex;flex-wrap:wrap;gap:0.5rem 1rem}.convert-progress{margin-top:1rem}.convert-progress-bar{width:100%;height:8px;background:var(--border);border-radius:4px;overflow:hidden;margin-bottom:0.35rem}.convert-progress-fill{height:100%;width:0%;background:var(--accent);border-radius:4px;transition:width 0.25s ease}.convert-progress-label{font-size:0.85rem;color:var(--text-muted)}.results-list{display:flex;flex-direction:column;gap:0.75rem;margin:1.25rem 0}.result-row{display:flex;align-items:center;gap:1rem;padding:0.75rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-card)}.result-thumb{width:56px;height:56px;object-fit:cover;border-radius:4px;flex-shrink:0;background:var(--border)}.result-meta{flex:1;display:flex;align-items:center;gap:0.5rem;flex-wrap:wrap;font-size:0.85rem}.format-badge{padding:0.15rem 0.45rem;border-radius:4px;background:var(--border);color:var(--text);font-size:0.72rem;font-weight:600}.format-badge.target-badge{background:var(--accent);color:#fff}.arrow{color:var(--text-muted)}.result-sizes{color:var(--text-muted);white-space:nowrap}.savings{font-weight:600;margin-left:0.2rem}.size-decrease{color:#16a34a}.size-increase{color:#dc2626}.batch-actions{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;margin-top:0.75rem}.batch-summary{font-size:0.85rem;color:var(--text-muted)}.nav-search{position:relative;display:flex;align-items:center;gap:0.5rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);padding:0.3rem 0.6rem;cursor:text;transition:border-color 0.15s;min-width:200px;max-width:280px}.nav-search:focus-within{border-color:var(--accent)}.nav-search-icon{width:14px;height:14px;color:var(--text-muted);flex-shrink:0;pointer-events:none}.nav-search-input{background:none;border:none;outline:none;color:var(--text-primary);font-size:0.82rem;width:100%;font-family:inherit}.nav-search-input::placeholder{color:var(--text-muted)}.nav-search-kbd{font-size:0.65rem;color:var(--text-secondary);border:1px solid var(--border);border-radius:3px;padding:0.1rem 0.3rem;font-family:var(--font-mono);flex-shrink:0;white-space:nowrap}.nav-search-dropdown{position:absolute;top:calc(100%+6px);left:0;right:0;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-md);z-index:200;overflow:hidden;max-height:320px;overflow-y:auto}.nav-search-dropdown:not([hidden]){display:block}.search-result-item{display:flex;align-items:center;gap:0.6rem;padding:0.55rem 0.75rem;text-decoration:none;color:var(--text-primary);font-size:0.85rem;border-bottom:1px solid var(--border);transition:background 0.1s}.search-result-item:last-child{border-bottom:none}.search-result-item:hover{background:var(--accent-subtle);color:var(--accent);text-decoration:none}.search-result-item i{width:14px;height:14px;flex-shrink:0;color:var(--accent)}.search-result-cat{font-size:0.7rem;color:var(--text-muted);margin-left:auto;white-space:nowrap}.search-no-results{padding:0.75rem;font-size:0.82rem;color:var(--text-muted);text-align:center}:root{--cat-convert:#60a5fa;--cat-convert-bg:rgba(96,165,250,.10);--cat-image:#34d399;--cat-image-bg:rgba(52,211,153,.10);--cat-gif:#a78bfa;--cat-gif-bg:rgba(167,139,250,.10)}.nav-group{margin-bottom:1.5rem}.nav-link{display:flex;align-items:center;gap:0.5rem}.nav-link i{width:13px;height:13px;flex-shrink:0;opacity:0.55;transition:opacity 0.15s}.nav-link:hover i,.nav-link.active i{opacity:1}.nav-group--convert .nav-group-title{color:var(--cat-convert)}.nav-group--convert .nav-group-title i{color:var(--cat-convert)}.nav-group--convert .nav-link:hover{color:var(--cat-convert)}.nav-group--convert .nav-link:hover i{color:var(--cat-convert)}.nav-group--convert .nav-link.active{color:var(--cat-convert);border-left-color:var(--cat-convert);background:var(--cat-convert-bg)}.nav-group--convert .nav-link.active i{color:var(--cat-convert)}.nav-group--image .nav-group-title{color:var(--cat-image)}.nav-group--image .nav-group-title i{color:var(--cat-image)}.nav-group--image .nav-link:hover{color:var(--cat-image)}.nav-group--image .nav-link:hover i{color:var(--cat-image)}.nav-group--image .nav-link.active{color:var(--cat-image);border-left-color:var(--cat-image);background:var(--cat-image-bg)}.nav-group--image .nav-link.active i{color:var(--cat-image)}.nav-group--gif .nav-group-title{color:var(--cat-gif)}.nav-group--gif .nav-group-title i{color:var(--cat-gif)}.nav-group--gif .nav-link:hover{color:var(--cat-gif)}.nav-group--gif .nav-link:hover i{color:var(--cat-gif)}.nav-group--gif .nav-link.active{color:var(--cat-gif);border-left-color:var(--cat-gif);background:var(--cat-gif-bg)}.nav-group--gif .nav-link.active i{color:var(--cat-gif)}.tool-category--convert .category-title{color:var(--cat-convert)}.tool-category--convert .category-title i{color:var(--cat-convert)}.tool-category--image .category-title{color:var(--cat-image)}.tool-category--image .category-title i{color:var(--cat-image)}.tool-category--gif .category-title{color:var(--cat-gif)}.tool-category--gif .category-title i{color:var(--cat-gif)}.tool-category--convert .tool-icon{color:var(--cat-convert)}.tool-category--image .tool-icon{color:var(--cat-image)}.tool-category--gif .tool-icon{color:var(--cat-gif)}.tool-category--convert .tool-card:hover{border-left-color:var(--cat-convert);border-color:var(--cat-convert)}.tool-category--image .tool-card:hover{border-left-color:var(--cat-image);border-color:var(--cat-image)}.tool-category--gif .tool-card:hover{border-left-color:var(--cat-gif);border-color:var(--cat-gif)}.tool-category--convert .tool-card:hover .tool-icon{color:var(--cat-convert)}.tool-category--image .tool-card:hover .tool-icon{color:var(--cat-image)}.tool-category--gif .tool-card:hover .tool-icon{color:var(--cat-gif)}.stats-group--convert td{color:var(--cat-convert)}.stats-group--image td{color:var(--cat-image)}.stats-group--gif td{color:var(--cat-gif)}.stats-tool-icon--convert{background:var(--cat-convert-bg);color:var(--cat-convert)}.stats-tool-icon--image{background:var(--cat-image-bg);color:var(--cat-image)}.stats-tool-icon--gif{background:var(--cat-gif-bg);color:var(--cat-gif)}.site-footer{background:var(--bg-secondary);border-top:1px solid var(--border);margin-top:3rem}.footer-inner{max-width:1400px;margin:0 auto;padding:3rem 1.5rem 2rem;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:2.5rem}.footer-logo{font-size:1.6rem;font-weight:700;color:var(--text-primary);letter-spacing:-0.03em;text-decoration:none;display:inline-block;margin-bottom:0.6rem}.footer-logo .logo-accent{color:var(--accent)}.footer-logo:hover{opacity:0.75;text-decoration:none}.footer-tagline{font-size:0.83rem;color:var(--text-secondary);line-height:1.6;margin-bottom:1rem}.footer-badges{display:flex;flex-wrap:wrap;gap:0.4rem}.footer-badge{display:inline-flex;align-items:center;gap:0.3rem;font-size:0.72rem;padding:0.2rem 0.55rem;border-radius:999px;border:1px solid var(--border);color:var(--text-secondary)}.footer-badge i{width:11px;height:11px}.footer-col-title{font-size:0.68rem;font-weight:700;text-transform:uppercase;letter-spacing:0.09em;color:var(--text-secondary);margin-bottom:0.8rem}.footer-links{display:flex;flex-direction:column;gap:0.35rem;margin-bottom:1.25rem}.footer-links a{font-size:0.83rem;color:var(--text-secondary);text-decoration:none;transition:color 0.12s}.footer-links a:hover{color:var(--accent);text-decoration:none}.footer-search{display:flex;align-items:center;gap:0.4rem;background:var(--bg-main);border:1px solid var(--border);border-radius:var(--radius);padding:0.35rem 0.6rem;transition:border-color 0.15s}.footer-search:focus-within{border-color:var(--accent)}.footer-search i{width:13px;height:13px;color:var(--text-muted);flex-shrink:0}.footer-search input{background:none;border:none;outline:none;font-size:0.8rem;color:var(--text-primary);width:100%;font-family:inherit}.footer-search input::placeholder{color:var(--text-muted)}.footer-search-results{margin-top:0.4rem}.footer-search-results a{display:block;font-size:0.8rem;color:var(--text-secondary);padding:0.25rem 0.1rem;text-decoration:none;border-bottom:1px solid var(--border);transition:color 0.12s}.footer-search-results a:last-child{border-bottom:none}.footer-search-results a:hover{color:var(--accent)}.footer-bottom{max-width:1400px;margin:0 auto;padding:1rem 1.5rem;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:0.78rem;color:var(--text-secondary)}.footer-bottom-nav{display:flex;gap:1.25rem}.footer-bottom-nav a{color:var(--text-secondary);font-size:0.78rem;text-decoration:none;transition:color 0.12s}.footer-bottom-nav a:hover{color:var(--accent)}.info-page{max-width:720px;margin:0 auto;padding:1.5rem 0 3rem}.info-header{margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:1px solid var(--border)}.info-header h1{font-size:2rem;font-weight:700;margin-bottom:0.4rem;letter-spacing:-0.02em}.info-lead{color:var(--text-secondary);font-size:1.05rem}.info-body h2{font-size:1.05rem;font-weight:600;margin:1.75rem 0 0.5rem;color:var(--text-primary)}.info-body p{color:var(--text-secondary);margin-bottom:0.75rem;line-height:1.7}.info-body ul{color:var(--text-secondary);padding-left:1.25rem;margin-bottom:0.75rem}.info-body ul li{margin-bottom:0.3rem;line-height:1.7}.info-body code{font-family:var(--font-mono);font-size:0.85em;background:var(--bg-secondary);padding:0.1em 0.35em;border-radius:var(--radius-sm);color:var(--accent)}.info-body a{color:var(--accent)}.faq-list{display:flex;flex-direction:column;gap:0}.faq-item{border-bottom:1px solid var(--border);padding:0.1rem 0}.faq-item summary{font-weight:600;font-size:0.95rem;padding:0.85rem 0;cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;color:var(--text-primary);user-select:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary::after{content:'+';color:var(--text-muted);font-size:1.1rem;font-weight:400;transition:transform 0.2s;flex-shrink:0}.faq-item[open] summary::after{content:'−'}.faq-item p{color:var(--text-secondary);padding-bottom:0.85rem;line-height:1.7}.info-table{width:100%;border-collapse:collapse;font-size:0.85rem;margin:0.75rem 0}.info-table th{text-align:left;padding:0.5rem 0.75rem;font-size:0.72rem;font-weight:700;text-transform:uppercase;letter-spacing:0.05em;color:var(--text-muted);border-bottom:2px solid var(--border)}.info-table td{padding:0.5rem 0.75rem;border-bottom:1px solid var(--border);color:var(--text-secondary);vertical-align:top}@media (max-width:900px){.footer-inner{grid-template-columns:1fr 1fr;gap:2rem}}@media (max-width:600px){.footer-inner{grid-template-columns:1fr;gap:1.5rem}.footer-bottom{flex-direction:column;text-align:center}.nav-search{display:none}}.breadcrumb{display:flex;align-items:center;gap:0.35rem;font-size:0.78rem;color:var(--text-muted);margin-bottom:1.25rem;flex-wrap:wrap}.breadcrumb a{color:var(--text-secondary);text-decoration:none}.breadcrumb a:hover{color:var(--accent);text-decoration:underline}.breadcrumb-sep{color:var(--text-muted);user-select:none}.tool-seo{margin-top:3rem;padding-top:2rem;border-top:1px solid var(--border);max-width:780px}.tool-seo h2{font-size:1.1rem;font-weight:700;margin:1.5rem 0 0.6rem;color:var(--text-primary)}.tool-seo h2:first-child{margin-top:0}.tool-seo p,.tool-seo li{font-size:0.9rem;line-height:1.75;color:var(--text-secondary)}.tool-seo ol,.tool-seo ul{padding-left:1.5rem;margin:0.4rem 0}.tool-seo li{margin-bottom:0.3rem}.tool-seo strong{color:var(--text-primary);font-weight:600}h1 svg,h2 svg{width:1em;height:1em;vertical-align:-0.15em;margin-right:0.25em;flex-shrink:0}.upload-icon{display:flex;align-items:center;justify-content:center;margin-bottom:0.5rem}.upload-icon svg{width:44px;height:44px;color:var(--accent);opacity:0.6}.effect-card{display:flex;flex-direction:column;align-items:center;gap:0.35rem}.effect-card svg{width:22px;height:22px}.btn-process,.btn-download{display:inline-flex;align-items:center;justify-content:center;gap:0.45rem}.btn-process svg,.btn-download svg{width:16px;height:16px;flex-shrink:0}#btn-reset{display:inline-flex;align-items:center;justify-content:center;gap:0.4rem;padding:0.85rem 1.25rem;font-size:1rem;font-weight:600}#btn-reset svg{width:16px;height:16px;flex-shrink:0}.btn-secondary{display:inline-flex;align-items:center;gap:0.4rem}.btn-secondary svg{width:15px;height:15px;flex-shrink:0}.toolbar-btn{display:inline-flex;align-items:center;gap:0.35rem}.toolbar-btn svg{width:14px;height:14px;flex-shrink:0}.btn-transform{display:inline-flex;align-items:center;justify-content:center;gap:0.35rem}.btn-transform svg{width:15px;height:15px;flex-shrink:0}p svg,div>svg{width:1em;height:1em;vertical-align:-0.15em;flex-shrink:0}.theme-icon{display:flex;align-items:center;justify-content:center}.theme-icon svg{width:17px;height:17px}.guide-article{max-width:780px;margin:0 auto;padding:2rem 1.5rem 4rem}.guide-breadcrumb{display:flex;align-items:center;gap:0.4rem;font-size:0.82rem;color:var(--text-secondary);margin-bottom:1.5rem;flex-wrap:wrap}.guide-breadcrumb a{color:var(--text-secondary);text-decoration:none}.guide-breadcrumb a:hover{color:var(--accent)}.guide-breadcrumb span{opacity:0.5}.guide-header{margin-bottom:2rem}.guide-header h1{font-size:2rem;font-weight:700;line-height:1.25;margin:0.5rem 0 0.75rem;color:var(--text-primary)}.guide-pillar-badge{display:inline-flex;align-items:center;gap:0.35rem;font-size:0.78rem;font-weight:600;text-transform:uppercase;letter-spacing:0.05em;color:var(--accent);background:var(--accent-subtle);border:1px solid var(--accent-ring);border-radius:20px;padding:0.2rem 0.65rem}.guide-meta{display:flex;gap:1rem;font-size:0.82rem;color:var(--text-secondary);margin-top:0.5rem}.guide-body{line-height:1.75;color:var(--text-primary);font-size:1rem}.guide-body h2{font-size:1.35rem;font-weight:700;margin:2.25rem 0 0.75rem;color:var(--text-primary);border-bottom:1px solid var(--border);padding-bottom:0.35rem}.guide-body h3{font-size:1.1rem;font-weight:600;margin:1.5rem 0 0.5rem;color:var(--text-primary)}.guide-body p{margin:0 0 1rem}.guide-body ul,.guide-body ol{margin:0 0 1rem 1.5rem;padding:0}.guide-body li{margin-bottom:0.4rem}.guide-body strong{color:var(--text-primary);font-weight:600}.guide-body a{color:var(--accent);text-decoration:none}.guide-body a:hover{text-decoration:underline}.guide-body table{width:100%;border-collapse:collapse;font-size:0.9rem;margin:1.25rem 0;border-radius:var(--radius);overflow:hidden}.guide-body th{background:var(--bg-secondary);text-align:left;padding:0.65rem 0.85rem;font-weight:600;border-bottom:2px solid var(--border-strong)}.guide-body td{padding:0.55rem 0.85rem;border-bottom:1px solid var(--border)}.guide-body tr:last-child td{border-bottom:none}.guide-body tr:hover td{background:var(--accent-subtle)}.tip-box,.info-box,.warning-box{padding:1rem 1.25rem;border-radius:var(--radius);margin:1.25rem 0;font-size:0.93rem;line-height:1.6;border-left:4px solid}.tip-box{background:rgba(63,185,80,0.08);border-color:var(--success);color:var(--text-primary)}.info-box{background:var(--accent-subtle);border-color:var(--accent);color:var(--text-primary)}.warning-box{background:rgba(248,81,73,0.08);border-color:var(--error);color:var(--text-primary)}.guide-cta{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;margin:2.5rem 0;text-align:center}.guide-cta h3{font-size:1.1rem;font-weight:700;margin:0 0 0.5rem}.guide-cta p{font-size:0.9rem;color:var(--text-secondary);margin:0 0 1rem}.guide-cta-links{display:flex;justify-content:center;gap:0.75rem;flex-wrap:wrap}.guide-cta-link{display:inline-block;background:var(--accent);color:#fff;padding:0.55rem 1.25rem;border-radius:var(--radius);font-size:0.9rem;font-weight:600;text-decoration:none;transition:background 0.15s}.guide-cta-link:hover{background:var(--accent-hover)}.guide-cta-link.secondary{background:transparent;color:var(--accent);border:1px solid var(--accent)}.guide-cta-link.secondary:hover{background:var(--accent-subtle)}.guide-related{margin-top:2.5rem}.guide-related h2{font-size:1.1rem;font-weight:700;margin:0 0 1rem;color:var(--text-primary)}.guide-related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:0.85rem}.guide-related-card{display:block;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;text-decoration:none;transition:border-color 0.15s,box-shadow 0.15s}.guide-related-card:hover{border-color:var(--accent);box-shadow:var(--shadow-sm)}.guide-related-card strong{display:block;font-size:0.88rem;font-weight:600;color:var(--text-primary);margin-bottom:0.35rem}.guide-related-card span{font-size:0.8rem;color:var(--text-secondary);line-height:1.45}.guides-index{max-width:900px;margin:0 auto;padding:2rem 1.5rem 4rem}.guides-index-header{text-align:center;margin-bottom:3rem}.guides-index-header h1{font-size:2.25rem;font-weight:800;margin-bottom:0.75rem}.guides-index-header p{font-size:1.05rem;color:var(--text-secondary);max-width:580px;margin:0 auto;line-height:1.6}.guides-pillar{margin-bottom:2.5rem}.guides-pillar-title{display:flex;align-items:center;gap:0.5rem;font-size:1.15rem;font-weight:700;color:var(--text-primary);margin-bottom:1rem;padding-bottom:0.5rem;border-bottom:2px solid var(--border)}.guides-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1rem}.guides-card{display:block;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.15rem 1.25rem;text-decoration:none;transition:border-color 0.15s,box-shadow 0.15s,transform 0.1s}.guides-card:hover{border-color:var(--accent);box-shadow:var(--shadow-md);transform:translateY(-1px)}.guides-card-title{font-size:0.92rem;font-weight:600;color:var(--text-primary);margin-bottom:0.3rem;line-height:1.35}.guides-card-desc{font-size:0.8rem;color:var(--text-secondary);line-height:1.45}.guides-card-pillar{display:inline-flex;align-items:center;gap:0.3rem;font-size:0.7rem;font-weight:600;color:var(--accent);background:var(--accent-subtle);border-radius:10px;padding:0.1rem 0.5rem 0.1rem 0.35rem;margin-bottom:0.4rem}.guides-card-pillar svg{width:11px;height:11px}.guides-pillar-title svg{width:18px;height:18px;color:var(--accent)}.guides-filter-bar{display:flex;flex-direction:column;gap:0.85rem;margin-bottom:2.5rem}.guides-search-wrap{position:relative;max-width:480px}.guides-search-icon{position:absolute;left:0.75rem;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--text-secondary);pointer-events:none}.guides-search-input{width:100%;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);padding:0.55rem 1rem 0.55rem 2.35rem;font-size:0.9rem;color:var(--text-primary);outline:none;transition:border-color 0.15s,box-shadow 0.15s;box-sizing:border-box}.guides-search-input::placeholder{color:var(--text-muted)}.guides-search-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-ring)}.guides-filter-pills{display:flex;flex-wrap:wrap;gap:0.5rem}.guides-pill{display:inline-flex;align-items:center;gap:0.35rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:20px;padding:0.35rem 0.85rem;font-size:0.82rem;font-weight:500;color:var(--text-secondary);cursor:pointer;transition:border-color 0.15s,color 0.15s,background 0.15s;white-space:nowrap}.guides-pill svg{width:13px;height:13px}.guides-pill:hover{border-color:var(--accent);color:var(--accent)}.guides-pill.active{background:var(--accent);border-color:var(--accent);color:#fff}.guides-no-results{display:flex;flex-direction:column;align-items:center;gap:0.75rem;padding:3rem 1rem;color:var(--text-secondary);text-align:center}.guides-no-results svg{width:36px;height:36px;opacity:0.4}.guides-no-results p{font-size:0.95rem;margin:0}.footer-lang{display:flex;align-items:center;gap:0.15rem}.footer-lang-icon{width:13px;height:13px;color:var(--text-muted,var(--text-secondary));margin-right:0.3rem;flex-shrink:0}.footer-lang-btn{background:none;border:1px solid transparent;border-radius:var(--radius-sm);padding:0.2rem 0.45rem;font-size:0.75rem;font-weight:500;color:var(--text-secondary);cursor:pointer;transition:border-color 0.15s,color 0.15s;line-height:1.4}.footer-lang-btn:hover{border-color:var(--border);color:var(--text-primary)}.footer-lang-btn.active{border-color:var(--accent);color:var(--accent);font-weight:700}@media (max-width:600px){.guide-article{padding:1.25rem 1rem 3rem}.guide-header h1{font-size:1.55rem}.guide-body h2{font-size:1.15rem}.guides-index{padding:1.25rem 1rem 3rem}.guides-index-header h1{font-size:1.65rem}.guide-related-grid{grid-template-columns:1fr}.guides-grid{grid-template-columns:1fr}}.tool-notice{display:flex;gap:1rem;align-items:flex-start;padding:1rem 1.25rem;border-radius:var(--radius);margin-bottom:1.25rem;font-size:0.9rem;line-height:1.5}.tool-notice--info{background:rgba(77,158,255,0.08);border:1px solid rgba(77,158,255,0.25);color:var(--text-primary)}.tool-notice i{flex-shrink:0;width:18px;height:18px;margin-top:2px;color:var(--accent)}.tool-notice strong{display:block;margin-bottom:0.25rem;font-weight:600}.tool-notice p{color:var(--text-secondary);margin:0}[data-theme=light] .tool-notice--info{background:rgba(0,112,243,0.06);border-color:rgba(0,112,243,0.2)}.stats-table td,.stats-table th{border-bottom:none}.stats-table tr{border-bottom:1px solid var(--border)}.stats-group-header{border-top:2px solid var(--border)}.stats-group-header td{display:table-cell;vertical-align:middle;padding:0.75rem 1rem}.stats-group-header td svg{display:inline-block;vertical-align:middle;margin-right:0.45rem}