:root{
  --bg:#f7f8fb;--paper:#fff;--ink:#141821;--muted:#667085;--line:#e4e7ec;--line2:#d0d5dd;
  --blue:#3157e2;--blue2:#2448c9;--soft:#f1f4ff;--max:1180px;--shadow:0 12px 34px rgba(16,24,40,.08)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{color:inherit}.container{max-width:var(--max);margin:0 auto;padding:0 24px}
.site-header{height:72px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:80}.header-inner{height:100%;max-width:var(--max);margin:auto;padding:0 24px;display:flex;align-items:center;gap:34px}.brand{display:flex;align-items:center;flex:0 0 auto}.brand img{width:188px;height:auto;display:block}.desktop-nav{display:flex;align-items:center;gap:6px;margin-left:auto}.nav-item{position:relative}.nav-link{border:0;background:transparent;padding:24px 12px;font-size:14px;font-weight:700;color:#344054;cursor:pointer;display:flex;gap:6px;align-items:center}.nav-link:hover{color:#111827}.nav-drop-button span{font-size:12px;color:#98a2b3}.nav-panel{display:none;position:absolute;top:61px;left:50%;transform:translateX(-50%);width:360px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:8px;border-radius:10px}.nav-drop:hover .nav-panel,.nav-drop:focus-within .nav-panel{display:block}.nav-panel>a{display:grid;grid-template-columns:34px 1fr;gap:10px;padding:11px 10px;border-radius:7px}.nav-panel>a:hover{background:#f8f9fb}.nav-panel-icon{width:32px;height:32px;border:1px solid var(--line);border-radius:7px;display:grid;place-items:center;color:#344054}.nav-panel-icon svg{width:17px}.nav-panel strong{display:block;font-size:13px;margin-top:1px}.nav-panel small{display:block;color:#7a8699;font-size:11px;margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.menu-toggle{display:none;margin-left:auto;width:40px;height:40px;border:0;background:transparent;align-items:center;justify-content:center;flex-direction:column;gap:5px}.menu-toggle span{width:22px;height:2px;background:#1f2937}.mobile-menu{position:absolute;left:0;right:0;top:72px;background:#fff;border-bottom:1px solid var(--line);padding:16px 24px 24px;box-shadow:0 16px 28px rgba(16,24,40,.08)}.mobile-menu>a{display:block;padding:11px 0;font-weight:700}.mobile-group{padding-top:14px;margin-top:8px;border-top:1px solid var(--line)}.mobile-group strong{font-size:12px;color:#98a2b3;text-transform:uppercase;letter-spacing:.05em}.mobile-group a{display:block;padding:9px 0;font-size:14px}
.home-hero{background:#fff;border-bottom:1px solid var(--line);padding:86px 0 78px}.hero-center{text-align:center;max-width:880px}.home-hero h1{font-size:clamp(42px,6vw,66px);line-height:1.03;letter-spacing:-.045em;margin:0 auto 20px;max-width:780px}.home-hero p{font-size:19px;line-height:1.6;color:var(--muted);margin:0 auto;max-width:710px}.hero-actions{display:flex;justify-content:center;gap:10px;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:8px;padding:11px 16px;font-size:14px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:.15s ease}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary,.btn-brand{background:var(--blue);color:#fff;border-color:var(--blue)}.btn-primary:hover,.btn-brand:hover{background:var(--blue2);border-color:var(--blue2)}.btn-secondary{background:#fff;color:#273044;border-color:var(--line2)}.btn-secondary:hover,.btn-ghost:hover{background:#f8f9fb}.btn-ghost{background:#fff;border-color:var(--line);color:#344054}
.home-tools,.directory-body{padding:46px 0 74px}.section-heading,.category-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}.section-heading h2,.category-head h2{font-size:23px;letter-spacing:-.02em;margin:0}.section-heading a,.category-head a{font-size:13px;color:var(--blue);font-weight:700}.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.tool-card{min-height:112px;background:#fff;border:1px solid var(--line);display:grid;grid-template-columns:44px 1fr 20px;gap:14px;align-items:center;padding:18px;border-radius:10px;transition:.15s ease}.tool-card:hover{border-color:#bbc5d5;box-shadow:0 7px 20px rgba(16,24,40,.055);transform:translateY(-1px)}.tool-card-icon{width:44px;height:44px;border:1px solid var(--line);border-radius:9px;background:#fbfcfe;display:grid;place-items:center;color:#344054}.tool-card-icon svg{width:21px}.tool-card h3{font-size:16px;margin:0 0 5px;letter-spacing:-.01em}.tool-card p{margin:0;color:#7b8493;font-size:13px;line-height:1.45}.tool-arrow{justify-self:end;color:#98a2b3;font-size:18px}.category-section{padding:0 0 80px}.category-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.category-block{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px}.category-head{margin-bottom:8px}.category-list a{display:grid;grid-template-columns:26px 1fr 18px;align-items:center;gap:10px;padding:11px 0;border-top:1px solid #eef0f3}.category-list a:first-child{border-top:0}.category-list svg{width:18px;color:#667085}.category-list strong{font-size:13px}.category-list em{font-style:normal;color:#98a2b3}
.directory-head{background:#fff;border-bottom:1px solid var(--line);padding:55px 0 28px}.directory-head h1{font-size:42px;letter-spacing:-.035em;margin:0 0 8px}.directory-head>div>p{margin:0;color:var(--muted)}.directory-controls{display:flex;gap:16px;justify-content:space-between;align-items:center;margin-top:28px}.search-box{width:min(430px,100%);display:flex;align-items:center;gap:10px;border:1px solid var(--line2);background:#fff;border-radius:8px;padding:0 12px}.search-box span{color:#98a2b3}.search-box input{border:0;outline:0;width:100%;padding:11px 0;background:transparent}.filter-tabs{display:flex;gap:6px}.filter-tab{border:1px solid var(--line);background:#fff;padding:9px 12px;border-radius:7px;font-size:13px;font-weight:700;cursor:pointer}.filter-tab.active{background:#111827;color:#fff;border-color:#111827}
.tool-page-head{background:#fff;border-bottom:1px solid var(--line);padding:38px 0 30px}.tool-page-head-inner{max-width:980px}.breadcrumbs{display:flex;align-items:center;gap:8px;color:#98a2b3;font-size:12px;margin-bottom:16px}.breadcrumbs a:hover{color:#344054}.tool-page-head h1{font-size:clamp(34px,5vw,50px);letter-spacing:-.04em;margin:0 0 11px;line-height:1.08}.tool-page-head p{font-size:16px;line-height:1.6;color:var(--muted);margin:0;max-width:750px}.tool-area{padding:32px 0 26px}.tool-area .container{max-width:980px}.tool-panel{background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 7px 20px rgba(16,24,40,.04);overflow:hidden}.tool-panel-head{padding:17px 20px;border-bottom:1px solid var(--line);background:#fbfcfd}.tool-panel-head strong{display:block;font-size:14px}.tool-panel-head span{display:block;color:#8a94a3;font-size:12px;margin-top:3px}.tool-workspace{padding:22px}.dropzone{display:grid;place-items:center;text-align:center;min-height:240px;border:1.5px dashed #bcc6d4;border-radius:8px;background:#fafbfc;padding:28px;cursor:pointer}.dropzone.drag{border-color:var(--blue);background:#f7f9ff}.drop-icon{width:48px;height:48px;display:grid;place-items:center;border:1px solid var(--line);border-radius:9px;background:#fff;margin:0 auto 14px;color:#475467}.drop-icon svg{width:23px}.dropzone h3{font-size:17px;margin:0 0 6px}.dropzone p{font-size:13px;color:#8a94a3;margin:0}.preview-stage{background:#101828;border-radius:8px;min-height:300px;display:grid;place-items:center;overflow:hidden;margin-bottom:15px}.preview-stage img,.preview-stage video,.preview-stage canvas{display:block;max-width:100%;max-height:560px}.file-meta{padding:11px 13px;border:1px solid var(--line);background:#fafbfc;border-radius:8px;margin:13px 0}.file-meta strong{display:block;font-size:13px}.file-meta small{display:block;color:#98a2b3;font-size:12px;margin-top:3px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field{display:flex;flex-direction:column;gap:7px}.field label{font-size:12px;font-weight:700;color:#475467}.field input,.field select,.field textarea{width:100%;border:1px solid var(--line2);background:#fff;border-radius:7px;padding:10px 11px;outline:0;color:#101828}.field input:focus,.field select:focus,.field textarea:focus{border-color:#8097ef;box-shadow:0 0 0 3px rgba(49,87,226,.08)}.range-line{display:flex;align-items:center;gap:10px}.range-line input[type=range]{flex:1}.action-row{display:flex;gap:9px;flex-wrap:wrap;margin-top:17px}.extract-progress{margin:16px 0 4px;padding:14px 15px;border:1px solid var(--line);border-radius:8px;background:#fafbfc}.extract-progress-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:9px}.extract-progress-head strong{font-size:13px;color:#344054}.extract-progress-head span{font-size:15px;font-weight:800;color:#101828;font-variant-numeric:tabular-nums}.extract-progress-detail{margin-top:8px;color:#7d8797;font-size:12px;font-variant-numeric:tabular-nums}.progress{height:8px;background:#e9edf3;border-radius:999px;overflow:hidden;margin:0}.progress span{display:block;height:100%;background:var(--blue);width:0;transition:width .16s ease}.notice{border:1px solid var(--line);border-radius:8px;padding:11px 12px;font-size:13px;margin:14px 0;line-height:1.5}.notice-success{background:#f0faf5;border-color:#ccebdc;color:#1f6b4b}.notice-error{background:#fff4f2;border-color:#ffd6d0;color:#9a341f}.notice-info{background:#f6f8ff;border-color:#dce3ff;color:#40588f}.result-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px;margin-top:17px}.result-card{background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden}.result-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#f1f3f6;display:block}.result-card-footer{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:8px 9px}.result-card-footer small{font-size:11px;color:#7d8797}.segmented{display:flex;border:1px solid var(--line);background:#f7f8fa;padding:3px;border-radius:7px}.segmented button{flex:1;border:0;background:transparent;border-radius:5px;padding:8px 9px;font-size:12px;font-weight:700;color:#667085;cursor:pointer}.segmented button.active{background:#fff;color:#111827;box-shadow:0 1px 2px rgba(16,24,40,.08)}.crop-wrap{position:relative;display:inline-block;max-width:100%;line-height:0}.crop-overlay{position:absolute;border:2px solid #fff;box-shadow:0 0 0 9999px rgba(0,0,0,.55);cursor:move;touch-action:none}.crop-handle{position:absolute;width:14px;height:14px;background:#fff;border:2px solid var(--blue);border-radius:50%}.crop-handle.nw{left:-8px;top:-8px}.crop-handle.se{right:-8px;bottom:-8px}.tool-help{padding:28px 0 74px}.tool-help .container{max-width:980px}.help-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px}.help-grid h2{font-size:20px;margin:0 0 16px}.how-list{list-style:none;padding:0;margin:0;counter-reset:steps}.how-list li{counter-increment:steps;display:grid;grid-template-columns:30px 1fr;gap:11px;align-items:start;color:#5d6675;font-size:14px;line-height:1.55;padding:10px 0;border-top:1px solid var(--line)}.how-list li:first-child{border-top:0;padding-top:0}.how-list li:before{content:counter(steps);width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:#eef1f6;color:#344054;font-size:12px;font-weight:700}.faq-list details{border-top:1px solid var(--line);padding:12px 0}.faq-list details:first-child{border-top:0;padding-top:0}.faq-list summary{font-size:14px;font-weight:700;cursor:pointer}.faq-list p{font-size:13px;line-height:1.6;color:#667085;margin:9px 0 0}.ad-slot{max-width:var(--max);margin:16px auto;padding:0 24px;text-align:center}
.site-footer{background:#fff;border-top:1px solid var(--line)}.footer-inner{max-width:var(--max);margin:auto;padding:34px 24px;display:flex;justify-content:space-between;gap:32px;align-items:flex-start}.footer-logo img{width:158px}.footer-main p{color:#98a2b3;font-size:13px;margin:9px 0 0}.footer-links{display:flex;gap:22px;flex-wrap:wrap}.footer-links a{font-size:13px;color:#667085;font-weight:700}.footer-links a:hover{color:#111827}.footer-bottom{max-width:var(--max);margin:auto;border-top:1px solid var(--line);padding:16px 24px 24px;color:#98a2b3;font-size:12px}
@media(max-width:960px){.desktop-nav{display:none}.menu-toggle{display:flex}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.category-grid{grid-template-columns:1fr}.directory-controls{align-items:flex-start;flex-direction:column}.help-grid{grid-template-columns:1fr}.footer-inner{flex-direction:column}}
@media(max-width:640px){.container,.header-inner{padding-left:16px;padding-right:16px}.site-header{height:66px}.header-inner{height:66px}.brand img{width:162px}.mobile-menu{top:66px}.home-hero{padding:58px 0 52px}.home-hero h1{font-size:42px}.home-hero p{font-size:16px}.hero-actions{flex-direction:column}.hero-actions .btn{width:100%}.tool-grid{grid-template-columns:1fr}.tool-card{min-height:96px;padding:15px}.home-tools{padding-top:34px}.directory-head{padding:40px 0 22px}.directory-head h1{font-size:36px}.filter-tabs{overflow:auto;max-width:100%;padding-bottom:3px}.tool-page-head{padding:28px 0 24px}.tool-page-head h1{font-size:36px}.tool-workspace{padding:14px}.form-grid{grid-template-columns:1fr}.result-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.preview-stage{min-height:220px}.footer-links{gap:14px 18px}}
.legal-head{background:#fff;border-bottom:1px solid var(--line);padding:54px 0 34px}.legal-wrap{max-width:820px}.legal-head h1{font-size:42px;letter-spacing:-.035em;margin:0 0 10px}.legal-head p{color:var(--muted);margin:0;line-height:1.6}.legal-body{padding:42px 0 76px}.legal-body h2{font-size:20px;margin:30px 0 8px}.legal-body h2:first-child{margin-top:0}.legal-body p{font-size:15px;line-height:1.75;color:#5f6978;margin:0}