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var(--border-color);padding:40px 16px 24px;background:#fff;width:100%}.footer-content{max-width:1200px;margin:0 auto 32px;display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:24px}.footer-info{max-width:320px}.footer-logo{font-size:18px;font-weight:700;color:var(--text-primary);display:block;margin-bottom:8px}.footer-info p{font-size:13px;color:var(--text-secondary);line-height:1.5}.footer-links{display:flex;gap:24px;flex-wrap:wrap}.footer-links a{font-size:14px;color:var(--text-secondary);text-decoration:none;font-weight:500;transition:var(--transition-fast)}.footer-links a:hover{color:var(--primary-color)}.footer-bottom{max-width:1200px;margin:0 auto;padding-top:16px;border-top:1px solid var(--border-color);text-align:center}.footer-bottom p{font-size:12px;color:var(--text-muted)}@media(max-width:768px){.footer-content{flex-direction:column;align-items:center;text-align:center}.footer-links{justify-content:center}}.ad-marquee-ticker{background-color:var(--primary-light);border:1px solid var(--border-hover);border-radius:var(--radius-md);padding:10px 16px;margin-bottom:30px;font-size:14px;color:var(--primary-color);font-weight:500;box-shadow:var(--shadow-sm);overflow:hidden;position:relative;white-space:nowrap}.marquee-track{display:inline-flex;animation:scroll-marquee 40s linear infinite;width:max-content}.marquee-content{flex-shrink:0;display:inline-block}@keyframes scroll-marquee{0%{transform:translateZ(0)}to{transform:translate3d(-50%,0,0)}}.theme-toggle-btn{background:var(--bg-color);border:1px solid var(--border-color);color:var(--text-primary);width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-normal);padding:0;outline:none}.theme-toggle-btn:hover{background:var(--primary-light);border-color:var(--primary-color);color:var(--primary-color);transform:scale(1.05)}.theme-toggle-btn svg{display:block;transition:transform .5s cubic-bezier(.34,1.56,.64,1)}.theme-toggle-btn:active svg{transform:rotate(90deg) scale(.8)}body.dark-theme{--bg-color: hsl(222, 47%, 11%);--card-bg: hsl(223, 47%, 16%);--border-color: hsl(223, 30%, 22%);--border-hover: hsl(250, 72%, 65%);--text-primary: hsl(210, 40%, 98%);--text-secondary: hsl(215, 20%, 75%);--text-muted: hsl(215, 16%, 57%);--primary-light: hsl(250, 40%, 20%);--primary-hover: hsl(250, 80%, 72%)}body.dark-theme .tool-card,body.dark-theme .highlight-item,body.dark-theme .faq-accordion-item,body.dark-theme .back-btn,body.dark-theme .premium-card,body.dark-theme .file-summary-bar,body.dark-theme .page-preview-card,body.dark-theme .sidebar-thumbnail-item,body.dark-theme .thumb-img-wrapper,body.dark-theme 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fade-in-btn{0%{opacity:0;transform:translateY(10px)}to{opacity:.9;transform:translateY(0)}}body.dark-theme .scroll-top-btn{background-color:var(--primary-hover);color:var(--bg-color);box-shadow:0 8px 30px #00000080}body.dark-theme .scroll-top-btn:hover{background-color:var(--text-primary);color:var(--bg-color)}.header-nav{display:flex;align-items:center;gap:24px}.header-nav a{text-decoration:none;font-weight:500;font-size:14px;color:var(--text-secondary);transition:color var(--transition-fast);position:relative;padding:6px 0}.header-nav a:hover{color:var(--primary-color)}.header-nav a:after{content:"";position:absolute;bottom:0;left:0;width:100%;height:2px;background-color:var(--primary-color);transform:scaleX(0);transform-origin:right;transition:transform .3s cubic-bezier(.4,0,.2,1)}.header-nav a:hover:after,.header-nav a.active:after{transform:scaleX(1);transform-origin:left}.header-nav a.active{color:var(--primary-color);font-weight:600}@media(max-width:600px){.header-nav{display:none}}body.dark-theme .header-nav a.active,body.dark-theme .header-nav a:hover{color:var(--primary-hover)}body.dark-theme .header-nav a:after{background-color:var(--primary-hover)}.shimmer-placeholder{background:linear-gradient(90deg,var(--border-color) 25%,var(--bg-color) 37%,var(--border-color) 63%)!important;background-size:400% 100%!important;animation:shimmer-animation 1.4s ease infinite!important;-webkit-backdrop-filter:none!important;backdrop-filter:none!important}@keyframes shimmer-animation{0%{background-position:100% 50%}to{background-position:0% 50%}}body.dark-theme .shimmer-placeholder{background:linear-gradient(90deg,var(--border-color) 25%,var(--primary-light) 37%,var(--border-color) 63%)!important;background-size:400% 100%!important}body.dark-theme .app-header{background:#0f172ad1!important;border-color:var(--border-color)!important}.bg-mesh-glow{position:fixed;inset:0;pointer-events:none;z-index:-2;overflow:hidden}.mesh-bubble-1{position:absolute;top:-10%;left:-10%;width:45vw;height:45vw;background:radial-gradient(circle,#644ded0d,#fff0 70%);border-radius:50%;animation:drift-bubble-1 25s ease-in-out infinite alternate}.mesh-bubble-2{position:absolute;bottom:-10%;right:-10%;width:50vw;height:50vw;background:radial-gradient(circle,#e024240a,#fff0 70%);border-radius:50%;animation:drift-bubble-2 30s ease-in-out infinite alternate}.mesh-bubble-3{position:absolute;top:-5%;right:-5%;width:35vw;height:35vw;background:radial-gradient(circle,#a855f70a,#fff0 70%);border-radius:50%;animation:drift-bubble-3 28s ease-in-out infinite alternate}.mesh-bubble-4{position:absolute;bottom:15%;left:-5%;width:40vw;height:40vw;background:radial-gradient(circle,#14b8a608,#fff0 70%);border-radius:50%;animation:drift-bubble-4 32s ease-in-out infinite alternate}@keyframes drift-bubble-1{0%{transform:translateZ(0) scale(1)}to{transform:translate3d(6vw,6vh,0) scale(1.15)}}@keyframes drift-bubble-2{0%{transform:translateZ(0) scale(1)}to{transform:translate3d(-6vw,-6vh,0) scale(1.2)}}@keyframes drift-bubble-3{0%{transform:translateZ(0) scale(1)}to{transform:translate3d(-5vw,7vh,0) scale(1.1)}}@keyframes drift-bubble-4{0%{transform:translateZ(0) scale(1)}to{transform:translate3d(8vw,-5vh,0) scale(1.15)}}body.dark-theme .mesh-bubble-1{background:radial-gradient(circle,#644ded17,#0000 75%)}body.dark-theme .mesh-bubble-2{background:radial-gradient(circle,#e0242412,#0000 75%)}body.dark-theme .mesh-bubble-3{background:radial-gradient(circle,#a855f714,#0000 75%)}body.dark-theme .mesh-bubble-4{background:radial-gradient(circle,#14b8a60f,#0000 75%)}input[type=range].premium-slider{-webkit-appearance:none;width:100%;height:6px;background:var(--border-color);border-radius:3px;outline:none;transition:background .3s 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#00000026}.premium-switch input:checked+.switch-slider{background-color:var(--primary-color)}.premium-switch input:checked+.switch-slider:before{transform:translate(20px)}.has-tooltip{position:relative;cursor:help}.has-tooltip:before{content:attr(data-tooltip);position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%) scale(.9);padding:8px 12px;background-color:#181d25;color:#fff;font-size:12px;font-weight:500;line-height:1.4;border-radius:var(--radius-sm);white-space:normal;width:max-content;max-width:200px;z-index:1000;box-shadow:var(--shadow-md);opacity:0;pointer-events:none;transition:opacity .2s cubic-bezier(.2,.8,.2,1),transform .2s cubic-bezier(.2,.8,.2,1);text-align:center}.has-tooltip:after{content:"";position:absolute;bottom:calc(100% + 2px);left:50%;transform:translate(-50%) scale(.9);border-width:6px 6px 0;border-style:solid;border-color:hsl(220,20%,12%) transparent transparent;z-index:1000;opacity:0;pointer-events:none;transition:opacity .2s cubic-bezier(.2,.8,.2,1),transform .2s cubic-bezier(.2,.8,.2,1)}.has-tooltip:hover:before,.has-tooltip:hover:after{opacity:1;transform:translate(-50%) scale(1);pointer-events:auto}body.dark-theme .has-tooltip:before{background-color:var(--primary-light);color:var(--text-primary);border:1px solid var(--border-color)}body.dark-theme .has-tooltip:after{border-color:var(--border-color) transparent transparent}