:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#122033;background:#f8fafc;font-synthesis:none}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}img{max-width:100%}.container{max-width:1140px;margin:auto;padding:0 24px}.muted{color:#64748b}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:absolute;top:-100px;left:1em;z-index:30;background:#fff;padding:12px}.skip:focus{top:12px}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #93c5fd;outline-offset:3px}.site-header{background:white;border-bottom:1px solid #e5eaf1;position:relative;z-index:2}.header-row{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:25px}.brand{display:flex;align-items:center;gap:10px;font-size:19px;letter-spacing:-.6px;font-weight:800;white-space:nowrap}.brand-icon{display:inline-grid;place-items:center;background:#2563eb;color:#fff;border-radius:12px;width:38px;height:38px}.top-nav{display:flex;align-items:center;gap:30px;color:#53647b;font-size:14px}.top-nav a:hover,.footer a:hover{color:#2563eb}.menu-toggle{display:none;border:0;background:transparent;font-size:23px}.mobile-nav{background:#fff;border-top:1px solid #e5eaf1;padding:12px 24px}.mobile-nav:not([hidden]){display:grid;gap:16px}.hero{background:radial-gradient(ellipse at 50% 0,#dbeafe 0,#eff6ff 45%,#f8fafc 85%);padding:85px 0 70px;text-align:center}.eyebrow{color:#2563eb;letter-spacing:1px;font-size:12px;font-weight:750}.hero h1{font-size:clamp(32px,5vw,54px);letter-spacing:-2px;line-height:1.22;margin:17px 0}.hero h1 span{color:#2563eb}.hero p{font-size:16px;color:#627289;line-height:1.8;margin:0 auto 28px}.search-shell{max-width:620px;margin:0 auto;background:white;display:flex;align-items:center;gap:13px;padding:8px 16px;border:1px solid #d5e4fc;border-radius:15px;box-shadow:0 15px 35px #2563eb14}.search-shell>span:first-child{font-size:29px;color:#64748b}.search-shell input{flex:1;min-width:0;border:0;outline:0;height:45px;background:transparent}.search-hint{background:#2563eb;color:#fff;font-size:13px;border-radius:9px;padding:10px 16px}.quick-tags{display:flex;justify-content:center;align-items:center;gap:9px;flex-wrap:wrap;margin-top:22px;font-size:12px;color:#6d7d92}.quick-tags a{border:1px solid #dae5f5;background:#fff;padding:8px 13px;border-radius:99px;color:#325b9d}.search-result{max-width:620px;margin:12px auto;background:white;border:1px solid #dbe5f3;border-radius:13px;text-align:left;box-shadow:0 10px 30px #102a4b12}.search-result a{display:block;padding:12px 17px;border-bottom:1px solid #edf1f6}.search-result a:hover{background:#eff6ff}.search-result small{display:block;margin-top:4px;color:#64748b}.search-result p{margin:12px;color:#64748b;font-size:14px}.section{margin:55px auto}.section-top{display:flex;align-items:end;justify-content:space-between;margin-bottom:24px;gap:12px}.section h2,.content-note h2{font-size:25px;letter-spacing:-.6px;margin:6px 0}.section-top .muted{font-size:13px}.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.tool-card{display:flex;flex-direction:column;gap:9px;background:#fff;border:1px solid #e4eaf1;border-radius:16px;min-height:178px;padding:22px;transition:transform .15s,box-shadow .15s}.tool-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px #1220330f;border-color:#bbd4ff}.tool-ico{width:44px;height:44px;background:#eff6ff;color:#2563eb;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:20px}.card-name{font-size:16px;font-weight:750}.tool-card .muted{font-size:12px;line-height:1.5}.tool-go{margin-top:auto;color:#2563eb;font-size:12px;font-weight:650}.category-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.category-card{display:flex;flex-direction:column;gap:13px;border:1px solid #e4eaf1;border-radius:16px;background:white;padding:22px;min-height:205px}.category-symbol{font-weight:800;font-size:21px;color:#2563eb}.category-card .muted{line-height:1.7;font-size:12px}.category-arrow{margin-top:auto;color:#2563eb;font-size:12px}.why{padding-bottom:40px}.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.why-grid>div{background:white;border:1px solid #e4eaf1;padding:22px;border-radius:14px}.why p{font-size:14px;line-height:1.8;color:#64748b}.ad-wrap{margin:46px 0}.ad-label{font-size:11px;color:#6c7b91;text-align:right;margin-bottom:8px}.ad-banner{background:linear-gradient(115deg,#0f2858,#2153aa);color:#fff;border-radius:13px;padding:22px 27px;display:flex;align-items:center;gap:22px;min-height:105px}.ad-flash{font-size:32px;background:#ffffff20;border-radius:13px;width:60px;height:60px;display:grid;place-items:center}.ad-banner strong{display:block;font-size:20px}.ad-banner small{display:block;color:#c4dcff;margin-top:8px}.ad-cta{margin-left:auto;border:1px solid #ffffff78;border-radius:9px;padding:11px 15px;white-space:nowrap;font-size:13px}.footer{border-top:1px solid #e2e8f0;background:#fff;margin-top:80px;color:#66768e}.foot-top{display:flex;justify-content:space-between;gap:24px;padding-top:38px}.foot-top strong{color:#172337}.foot-top p{font-size:13px}.foot-top nav{display:flex;gap:20px;flex-wrap:wrap;font-size:13px}.foot-copy{font-size:12px;border-top:1px solid #eef2f7;margin-top:30px;padding:20px 0}.page,.tool-page{padding-top:38px}.page-intro{margin-bottom:30px}.crumbs{font-size:12px;color:#718095;display:flex;gap:9px;flex-wrap:wrap;margin-bottom:32px}.crumbs a:hover{color:#2563eb}.page-intro h1,.legal h1{font-size:clamp(28px,3vw,38px);margin:12px 0}.page-intro>p{max-width:780px;color:#617188;line-height:1.85;margin:0}.content-note{background:white;border:1px solid #e4eaf1;border-radius:16px;padding:27px 32px;margin:30px 0;line-height:1.85}.content-note p{color:#596b80;font-size:14px;max-width:850px}.content-note h3{font-size:16px;margin:23px 0 6px}.content-note h2{margin-bottom:13px}.privacy-chip{font-size:12px;color:#16724b;background:#eafaf1;padding:9px 13px;display:inline-block;border-radius:99px;margin-top:18px}.tool-panel{border:1px solid #dee7f0;border-radius:17px;background:white;padding:28px;min-height:220px;box-shadow:0 10px 30px #0f172a05}.loading{color:#64748b}.field{display:flex;flex-direction:column;gap:7px;font-size:14px;font-weight:650}.field input,.field textarea,.field select,.editor{border:1px solid #cdd8e6;border-radius:10px;padding:12px 13px;background:white;color:#18263b;width:100%}.field textarea,.editor{resize:vertical;min-height:160px;line-height:1.6}.editor{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.controls{display:flex;gap:12px;align-items:end;flex-wrap:wrap;margin:14px 0}.controls .field{min-width:150px;flex:1}.primary-button,.secondary-button{display:inline-flex;align-items:center;justify-content:center;gap:7px;border-radius:10px;padding:12px 18px;font-weight:650;font-size:14px;min-height:44px;border:1px solid #2563eb;background:#2563eb;color:#fff}.secondary-button{border-color:#cfdaea;background:#fff;color:#30445f}.primary-button:hover{background:#1d4ed8}.secondary-button:hover{background:#eff6ff}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:17px 0}.stat{background:#f6f9fd;padding:17px;border-radius:12px}.stat strong{display:block;font-size:25px;overflow-wrap:anywhere}.stat span{color:#65758c;font-size:12px}.result-box{margin-top:18px;border:1px solid #dae4ef;background:#f8fafc;border-radius:12px;padding:18px;min-height:45px}.result-box p{margin:6px 0}.error{color:#b42318!important}.success{color:#15803d!important}.hint{font-size:12px;color:#64748b;line-height:1.6}.file-zone{padding:30px 16px;text-align:center;border:2px dashed #b7ccec;border-radius:12px;background:#f8fbff}.file-zone input{max-width:100%;margin:12px auto}.preview-img{display:block;max-width:100%;max-height:370px;object-fit:contain;margin:16px auto;border-radius:8px}.qr-preview{display:grid;place-items:center;margin:18px auto;min-height:100px}.qr-preview svg{max-width:100%;height:auto}.related .tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.legal{min-height:55vh}.legal p{line-height:2;color:#5f7086;max-width:750px}.notfound{text-align:center;padding:120px 24px}.notfound p{color:#64748b}.notfound a{margin-top:18px}.switch-label{font-size:14px;display:flex;gap:8px;align-items:center}.switch-label input{width:17px;height:17px}.inline-amount{font-size:28px;font-weight:800;color:#19365d}.result-meta{font-size:13px;color:#64748b;margin-top:10px}code{background:#eef2f7;padding:2px 4px;border-radius:4px}@media(max-width:820px){.top-nav{gap:15px}.tool-grid{grid-template-columns:repeat(2,1fr)}.category-grid{grid-template-columns:repeat(2,1fr)}.hero{padding:60px 0}.foot-top{flex-direction:column}.why-grid{grid-template-columns:1fr}}@media(max-width:600px){.container{padding:0 16px}.header-row{min-height:64px}.top-nav{display:none}.menu-toggle{display:block}.hero{padding:52px 0}.hero h1{letter-spacing:-1px}.tool-grid,.category-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.tool-card{padding:14px;min-height:170px}.tool-card .card-name{font-size:14px}.tool-card .muted{font-size:11px}.category-card{padding:15px}.section{margin:40px auto}.section-top .muted{display:none}.ad-banner{padding:17px;gap:12px}.ad-flash{width:43px;height:43px;font-size:23px}.ad-banner strong{font-size:15px}.ad-banner small{font-size:10px}.ad-cta{font-size:11px;padding:9px}.tool-panel{padding:16px}.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.stat{padding:13px}.stat strong{font-size:22px}.content-note{padding:19px}.controls>*{width:100%}.controls .field{min-width:0}.page-intro{margin-bottom:22px}}@media(max-width:350px){.tool-grid,.category-grid{grid-template-columns:1fr}.ad-flash{display:none}.ad-cta{margin-left:0}}

.ad-banner-image{display:block;overflow:hidden;border-radius:13px;line-height:0;border:1px solid #d8e4f5}.ad-banner-image img{display:block;width:100%;height:auto}.ad-banner-image:hover{box-shadow:0 10px 24px #12203323}

/* V1.2: mobile usability and accessibility */
[hidden]{display:none!important}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}
@media(max-width:600px){.search-shell{padding:7px 10px}.search-hint{padding:9px}.file-zone{padding:22px 12px}.controls button{width:100%}.tool-page .page-intro h1{overflow-wrap:anywhere}}
@media(hover:none){.tool-card:hover{transform:none}}

.file-zone.drag-active{border-color:#2563eb;background:#dbeafe;box-shadow:0 0 0 3px #93c5fd55}.result-preview{margin-top:18px;padding:12px;border:1px solid #dbe5f3;border-radius:12px;background:#f8fafc}.result-preview[hidden]{display:none}

/* Keep numeric controls usable at narrow widths. */
.field input[type="number"]{max-width:100%;min-width:0}

/* V2.0: visible keyboard focus and safe mobile sizing */
:where(a,button,input,select,textarea):focus-visible{outline:3px solid #2563eb;outline-offset:3px}
.search-result a:focus-visible{background:#eff6ff;outline:2px solid #2563eb;outline-offset:-2px}
:where(.tool-panel,.content-note,.tool-card){min-width:0}
.field textarea,.editor{overflow-wrap:normal;max-width:100%}
@media(max-width:600px){.hero .search-shell{min-width:0}.search-result{width:100%}.tool-panel{overflow-wrap:anywhere}}

/* V3.5: readable JSON editor metadata and responsive visual image comparison. */
.editor-meta{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:8px 0 4px;color:#52657e;font-size:12px;font-variant-numeric:tabular-nums}
.editor-meta span{overflow-wrap:anywhere}
.image-compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:start}
.image-compare>div{min-width:0;text-align:center;background:#fff;border:1px solid #e3eaf3;border-radius:10px;padding:12px}
.image-compare .preview-img{width:100%;height:230px;object-fit:contain;margin:8px auto}
@media(max-width:600px){.image-compare{grid-template-columns:1fr}.image-compare .preview-img{height:auto;max-height:270px}.editor{font-size:16px}}

/* Brand assets and advertisement */
.brand-logo{display:block;width:188px;height:auto;max-height:63px;object-fit:contain}.ad-banner-image{background:#f3f4f6}.ad-banner-image img{aspect-ratio:8/1;object-fit:contain}@media(max-width:600px){.brand-logo{width:154px;max-height:52px}}

/* V3.9 visual system: calm editorial surfaces, distinctive navigation and generous working space. */
:root{--ink:#171b34;--sub:#5e647c;--violet:#6153da;--indigo:#4338ca;--line:#e6e7f1;--paper:#f7f8fd;--shadow:0 18px 45px rgba(29,32,75,.055);color:var(--ink);background:var(--paper);color-scheme:light}
html{scroll-behavior:smooth}body{background:var(--paper);line-height:1.55}a,button,input,select,textarea{-webkit-tap-highlight-color:transparent}::selection{background:#cfc7ff;color:#29205d}.container{max-width:1160px;padding-inline:30px}.muted{color:var(--sub)}
.site-header{background:rgba(255,255,255,.95);border-bottom:1px solid #ececf4;box-shadow:0 3px 20px #171b3408;position:sticky;top:0;z-index:20;backdrop-filter:blur(16px)}.header-row{min-height:82px;gap:32px}.brand-logo{width:194px;max-height:66px}.top-nav{gap:5px;color:#444962;font-size:13px;font-weight:660}.top-nav a{padding:11px 14px;border-radius:12px;transition:background .18s,color .18s}.top-nav a:hover{color:var(--indigo);background:#f2f0ff}.menu-toggle{border:1px solid var(--line);border-radius:12px;width:44px;height:44px;background:#fff;color:var(--ink);font-size:23px}.mobile-nav{box-shadow:0 14px 25px #181a3412;padding:18px 24px}.mobile-nav a{padding:9px 10px;border-radius:8px}.mobile-nav a:hover{background:#f2f0ff}
.hero{position:relative;overflow:hidden;isolation:isolate;text-align:left;background:radial-gradient(circle at 92% 18%,#ddd6ff 0,transparent 31%),radial-gradient(circle at 8% 85%,#d8f3f0 0,transparent 30%),linear-gradient(135deg,#fafaff 0,#eff0ff 54%,#f7f9ff 100%);padding:90px 0 84px;border-bottom:1px solid #e8eafa}.hero:before{content:"";position:absolute;z-index:-1;right:max(-120px,calc((100vw - 1250px)/2));top:46px;width:330px;height:330px;border-radius:40%;border:62px solid rgba(111,91,225,.095);transform:rotate(-22deg)}.hero:after{content:"✦";position:absolute;top:17%;right:18%;font-size:60px;color:#8e7df3;opacity:.24;z-index:-1}.hero .container{position:relative}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--indigo);font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.hero .eyebrow{border:1px solid #dcd9ff;background:#ffffffaa;padding:7px 13px;border-radius:99px}.hero h1{font-size:clamp(38px,5.1vw,64px);line-height:1.19;letter-spacing:-.052em;margin:24px 0 17px;max-width:780px;font-weight:850}.hero h1 span{background:linear-gradient(110deg,#5147d7,#8c56d7);color:transparent;background-clip:text}.hero p{margin:0 0 30px;max-width:590px;font-size:16px;line-height:1.95;color:#515c76}.search-shell{margin:0;max-width:690px;background:#fff;padding:9px 11px 9px 19px;border:1px solid #dcdcf0;border-radius:17px;box-shadow:0 16px 36px #44417f17;gap:12px}.search-shell:focus-within{border-color:#8d81e9;box-shadow:0 0 0 4px #6657db19,0 16px 36px #44417f17}.search-shell>span:first-child{color:var(--violet);font-size:29px}.search-shell input{height:48px;font-size:14px}.search-hint{background:var(--ink);border-radius:11px;font-weight:750;padding:12px 20px}.quick-tags{justify-content:flex-start;margin-top:20px;gap:9px;color:#626e86;font-size:12px}.quick-tags a{border:1px solid #dedff0;background:#ffffffbd;color:#5448aa;padding:7px 13px;font-weight:650}.quick-tags a:hover{background:#eeeaff;border-color:#c3b9f5}.search-result{margin:10px 0;max-width:690px;box-shadow:0 18px 35px #1b204a18;border-radius:15px;border-color:#e1def5;overflow:hidden}.search-result a:hover,.search-result a:focus-visible{background:#f1efff}
.section{margin-block:66px}.section-top{margin-bottom:24px}.section h2,.content-note h2{font-size:clamp(23px,2.8vw,31px);font-weight:810;letter-spacing:-.035em;line-height:1.35}.section-top .muted{color:#8a8fa2;font-size:12px}.tool-grid{gap:18px}.tool-card{position:relative;overflow:hidden;border:1px solid #e7e8f1;background:#fff;border-radius:20px;padding:25px;min-height:207px;gap:10px;box-shadow:0 3px 5px #1a204005;transition:transform .2s,box-shadow .2s,border-color .2s}.tool-card:before{content:"";height:3px;background:linear-gradient(90deg,#6456dc,#aa94ff);position:absolute;inset:0 0 auto}.tool-card:nth-child(2n):before{background:linear-gradient(90deg,#2099b3,#8edadd)}.tool-card:nth-child(3n):before{background:linear-gradient(90deg,#e49a58,#f1cdb2)}.tool-card:hover{transform:translateY(-5px);border-color:#cfc9f7;box-shadow:0 17px 36px #24205b16}.tool-ico{width:50px;height:50px;color:#5142bd;background:#f0edff;font-size:22px;border-radius:15px}.tool-card:nth-child(2n) .tool-ico{background:#e5f7f7;color:#1a869c}.tool-card:nth-child(3n) .tool-ico{background:#fff1e6;color:#b56d34}.card-name{font-size:17px;font-weight:800;letter-spacing:-.02em}.tool-card .muted{font-size:13px;line-height:1.7}.tool-go{margin-top:auto;padding-top:9px;color:#5c4bcb;font-weight:780;font-size:12px}.category-grid{gap:15px}.category-card{min-height:185px;padding:23px;border-radius:19px;gap:10px;border-color:#e7e8f1;box-shadow:0 3px 5px #1a204005;transition:border-color .2s,transform .2s}.category-card:hover{border-color:#bcb3f0;transform:translateY(-3px)}.category-symbol{font-size:24px;color:#5f52d8}.category-card strong{font-size:16px}.category-card .muted{font-size:12px}.category-arrow{color:#5d51c7;font-weight:800}.why{padding-bottom:15px}.why-grid{gap:16px}.why-grid>div{position:relative;border-radius:18px;padding:25px;background:#fff;border-color:#e7e8f1}.why-grid>div:before{content:"✓";display:grid;place-items:center;width:29px;height:29px;background:#e9e6ff;color:#5949cc;border-radius:9px;margin-bottom:17px;font-weight:800}.why-grid strong{font-size:15px}.why p{font-size:13px;margin-bottom:0}
.ad-wrap{margin:46px 0 58px;padding:12px;border:1px solid #e9e7f0;background:#fff;border-radius:17px;box-shadow:var(--shadow)}.ad-label{margin:0 4px 9px;color:#83879d;letter-spacing:.02em}.ad-banner-image{border-radius:10px;box-shadow:none;border:0}.ad-banner-image:hover{box-shadow:0 8px 18px #181a3420}
.footer{margin-top:84px;background:#181a31;border:0;color:#bfc3d7}.foot-top{padding-top:48px}.foot-top strong{font-size:17px;color:#fff}.foot-top p{color:#a4a8bf;line-height:1.8}.foot-top nav{gap:24px}.footer a:hover{color:#fff}.foot-copy{border-top:1px solid #35364c;margin-top:35px;padding:22px 0;color:#969bb1}
.page,.tool-page{padding-top:39px}.crumbs{margin-bottom:29px;color:#9195a9;font-size:12px}.crumbs a{color:#616b82}.crumbs a:hover{color:var(--violet)}.page-intro{margin-bottom:27px}.page-intro h1,.legal h1{font-size:clamp(30px,3.6vw,46px);letter-spacing:-.045em;line-height:1.25;margin:15px 0}.page-intro>p{font-size:15px;color:#657088;line-height:1.9;max-width:760px}.privacy-chip{border:1px solid #ceebe2;border-radius:10px;background:#edfaf5;color:#28775d;margin-top:20px;font-weight:650}.tool-panel{border:1px solid #e2e3ef;border-radius:21px;background:#fff;box-shadow:var(--shadow);padding:34px;min-height:250px}.content-note{padding:30px 34px;border-color:#e5e5f0;border-radius:20px;box-shadow:0 5px 18px #191b3310;background:#fff}.content-note p{color:#606b80;line-height:1.95;font-size:14px}.content-note a{color:#5342c5;text-decoration:underline;text-underline-offset:3px}.content-note h2{font-size:23px}.field{gap:9px;font-size:13px;color:#373c56}.field input,.field select,.field textarea,.editor{border-color:#d9dce9;background:#fcfcff;border-radius:12px;padding:13px 15px;min-height:45px;transition:border-color .18s,box-shadow .18s}.field input:focus,.field textarea:focus,.field select:focus,.editor:focus{border-color:#8879e8;box-shadow:0 0 0 3px #6b59d414;outline:0}.controls{gap:13px;margin-block:18px}.primary-button,.secondary-button{border-radius:12px;padding:12px 21px;min-height:46px}.primary-button{background:#5a4acb;border-color:#5a4acb;box-shadow:0 7px 16px #5140b924}.primary-button:hover{background:#4335b0;border-color:#4335b0}.secondary-button{background:#fff;color:#4a456f;border-color:#dbd9ec}.secondary-button:hover{background:#f5f2ff;border-color:#bcb2ee}.stat-grid{gap:13px}.stat{padding:21px;border:1px solid #eeeef5;border-radius:14px;background:#f8f8fe}.stat strong{font-size:26px;color:#312a65}.stat span{color:#777f95}.result-box{background:#fafaff;border-color:#e4e2f3;border-radius:14px;padding:20px}.file-zone{border:2px dashed #bdb9e6;background:#faf9ff;border-radius:16px;padding:34px 18px}.file-zone.drag-active{border-color:#6254d8;background:#f0edff;box-shadow:0 0 0 3px #998cfb33}.result-preview{background:#fafaff;border-color:#e5e4f0;border-radius:15px}.image-compare>div{background:#fafaff;border-color:#e7e5f1;border-radius:13px}.editor-meta{color:#777c91}.json-example pre{overflow:auto;background:#191a32;color:#f4f0ff;border-radius:12px;padding:17px}.json-example pre code{background:none;color:inherit}.legal p{font-size:15px;color:#667188}.notfound{min-height:55vh}
@media(max-width:900px){.container{padding-inline:22px}.top-nav{gap:1px}.top-nav a{padding:9px}.hero{padding:72px 0 69px}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:650px){.container{padding-inline:17px}.header-row{min-height:68px}.brand-logo{width:158px;max-height:54px}.top-nav{display:none}.menu-toggle{display:block}.hero{padding:58px 0 55px}.hero:before{width:160px;height:160px;border-width:35px;right:-65px;top:28px}.hero:after{display:none}.hero h1{font-size:clamp(32px,8.1vw,45px);letter-spacing:-.045em}.hero p{font-size:14px;line-height:1.9}.search-shell{padding:7px 9px 7px 14px;border-radius:14px}.search-hint{padding:9px 12px}.search-shell input{font-size:13px}.quick-tags{gap:7px}.quick-tags a{padding:7px 10px}.section{margin:46px auto}.tool-grid{grid-template-columns:1fr;gap:12px}.tool-card{min-height:0;padding:19px 19px 17px;gap:7px;display:grid;grid-template-columns:48px minmax(0,1fr);align-items:start}.tool-ico{grid-row:span 3;width:45px;height:45px}.card-name{font-size:16px}.tool-card .muted{font-size:12px}.tool-go{padding:0;margin:2px 0 0}.category-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.category-card{min-height:179px;padding:17px}.category-card strong{font-size:14px}.category-card .muted{font-size:11px}.category-symbol{font-size:22px}.tool-panel{padding:18px;border-radius:17px}.content-note{padding:22px 20px;border-radius:17px}.page-intro h1,.legal h1{font-size:32px}.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.stat{padding:14px}.stat strong{font-size:22px}.image-compare{grid-template-columns:1fr}.controls>*{width:100%}.foot-top{padding-top:34px}.footer{margin-top:60px}}
@media(max-width:365px){.category-grid{grid-template-columns:1fr}.category-card{min-height:0}.search-hint{font-size:11px;padding:9px}.hero h1{font-size:31px}}
@media(hover:none){.tool-card:hover,.category-card:hover{transform:none}}