:root{--ink:#1b263a;--muted:#677185;--accent:#315edb;--mint:#edf3ff;--paper:#fff;--line:#e7ebf1;--radius:14px;--secondary-color:#1b263a;--primary-color:#315edb;--background-color:#fff;--link-hover-color:#315edb;--font-family:Inter,system-ui,sans-serif}
body{background:#fff}header.site-header{max-width:none;border-bottom:1px solid var(--line);padding:20px max(24px,calc((100vw - 1152px)/2));gap:25px;background:#fff;min-height:78px}.site-header .brand{font-size:19px;letter-spacing:-.6px;white-space:nowrap}.site-header .brand svg{width:33px;height:33px}.site-header nav{gap:30px;font-size:14px}.site-header .language{border:1px solid var(--line);border-radius:8px;padding:8px 13px;font-size:13px}main{max-width:1200px;padding:0 24px}.portal-hero{text-align:center;padding:66px 0 41px}.portal-kicker{font-size:11px;letter-spacing:1.5px;font-weight:700;color:var(--accent);margin:0 0 17px}.portal-hero .portal-kicker{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:30px;background:#f1f5ff;letter-spacing:.5px}.portal-kicker>span{width:6px;height:6px;background:var(--accent);border-radius:50%}.portal-hero h1{font-size:46px;letter-spacing:-1.8px;line-height:1.18;margin:0 0 17px;color:var(--ink)}.portal-hero>p:not(.portal-kicker){font-size:16px;color:var(--muted);margin:0;line-height:1.7}.portal-trust{display:flex;justify-content:center;gap:20px;margin-top:24px;color:var(--muted);font-size:12px}.portal-trust span+span:before{content:'·';margin-right:20px;color:#bac1ce}.portal-directory{scroll-margin-top:25px}.directory-bar{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:20px}.tool-filters{display:flex;gap:7px;flex-wrap:wrap}.tool-filter{border:0;background:transparent;color:var(--muted);padding:9px 14px;border-radius:8px;font-size:13px;font-weight:600}.tool-filter:hover{background:#f5f7fb}.tool-filter.active{background:#eaf0ff;color:#2c56c7}.tool-search input{width:210px;padding:10px 13px;border:1px solid var(--line);border-radius:8px;font-size:13px;background:#fcfdff;color:var(--ink)}.portal-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.portal-card{position:relative;display:block;padding:25px 25px 26px;border:1px solid var(--line);border-radius:14px;text-decoration:none;background:#fff;min-height:190px;transition:background .15s,border-color .15s,transform .15s}.portal-card:hover{background:#fbfcff;border-color:#afc2f2;transform:translateY(-2px)}.portal-card h2{font-size:18px;letter-spacing:-.4px;margin:18px 0 8px}.portal-card p{font-size:13px;line-height:1.65;color:var(--muted);margin:0;max-width:270px}.tool-symbol{display:flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:12px;background:#eaf0ff}.tool-symbol img{object-fit:contain;width:30px;height:30px}.tool-symbol.cyan{background:#e6f5f7}.tool-symbol.amber{background:#fff3dd}.tool-symbol.violet{background:#f0eaff}.tool-symbol.rose{background:#fceaf1}.tool-symbol.green{background:#e6f6ef}.card-arrow{position:absolute;top:28px;right:25px;font-size:17px;color:#aab5c7}.portal-card:hover .card-arrow{color:var(--accent)}#no-tools{text-align:center;padding:35px;color:var(--muted)}.extra-tools{margin:38px 0 0;padding:26px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:1.1fr 1fr 1fr;align-items:center;gap:30px}.extra-label{font-size:10px;letter-spacing:1.1px;color:var(--muted);font-weight:700}.extra-tools h2{font-size:18px;margin:8px 0 0;letter-spacing:-.4px}.extra-tools a{text-decoration:none;display:flex;flex-direction:column;gap:9px;font-size:13px}.extra-tools a span{color:var(--muted);font-size:12px}.extra-tools a:hover strong{color:var(--accent)}.portal-guides{padding:50px 0 24px}.portal-guides .section-heading h2{font-size:28px}.portal-guides .section-heading>a{font-size:13px;text-decoration:none;color:var(--accent)}.portal-guides .guides{gap:28px}.guide{border-top:1px solid var(--line)}.guide h3{font-size:19px}.guide p{font-size:13px}footer{max-width:1152px;padding:30px 0;margin-top:25px;font-size:12px}.page-heading{max-width:none;padding-top:35px;text-align:center}.page-heading .breadcrumbs{text-align:left}.page-heading h1{font-size:36px;margin:24px 0 13px}.page-heading .lead{margin-left:auto;margin-right:auto}.workflow-intro{max-width:880px;margin:0 auto 20px;font-size:13px;line-height:1.6;color:var(--muted);display:flex;align-items:center;gap:10px}.workflow-intro>span{font-size:11px;font-weight:700;display:flex;width:26px;height:26px;border-radius:50%;background:#edf2ff;align-items:center;justify-content:center;color:var(--accent)}.upstream-tool{max-width:880px!important;margin:0 auto!important;border:1px solid var(--line);border-radius:16px;background:#fbfcff;padding:32px 26px;color:var(--ink);overflow-x:auto}.upstream-tool h1{display:none!important}.upstream-tool p{font-size:14px;line-height:1.7;color:var(--muted)}.upstream-tool .container{max-width:100%!important;width:100%;margin:0!important}.upstream-tool>form,.upstream-tool>.container>form{max-width:760px;margin:0 auto!important}.upstream-tool button,.upstream-tool .upload-button{background:#315edb!important;color:#fff!important;border:0!important;border-radius:9px!important;padding:12px 20px!important;font-family:inherit!important;font-size:14px!important;box-shadow:none!important;cursor:pointer}.upstream-tool button:hover{background:#254cba!important}.upstream-tool input,.upstream-tool select{font-family:inherit;color:var(--ink);font-size:14px;max-width:100%}.upstream-tool input[type=number],.upstream-tool input[type=text],.upstream-tool select{border:1px solid #d9e0ed!important;border-radius:8px!important;padding:9px 11px!important;background:#fff!important}.upstream-tool input[type=range]{accent-color:#315edb;max-width:100%}.upstream-tool label{color:var(--ink);font-size:14px}.upstream-tool img{max-width:100%;height:auto}.upstream-tool canvas{max-width:100%}.upstream-tool a{color:var(--accent)}.upstream-tool .controls,.upstream-tool .rotate-controls{flex-wrap:wrap;gap:12px}.tool-footnote{max-width:880px;margin:20px auto 50px;font-size:12px;color:var(--muted);display:flex;justify-content:space-between;gap:18px}.tool-footnote a{color:var(--accent);text-decoration:none}.article{padding-top:32px}.article h1{font-size:36px}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #8faeff;outline-offset:3px}
@media(max-width:850px){header.site-header{padding:17px 24px}.site-header nav{gap:20px}.portal-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.extra-tools{gap:20px}.portal-hero h1{font-size:39px}.portal-card{min-height:185px}.directory-bar{gap:12px}.tool-search input{width:180px}footer{margin-left:24px;margin-right:24px}.extra-tools{grid-template-columns:1fr 1fr}.extra-tools>div{grid-column:1/-1}}
@media(max-width:560px){header.site-header{padding:16px 18px;gap:10px;min-height:68px}.site-header .brand{font-size:16px}.site-header .brand svg{width:28px;height:28px}.site-header nav{gap:12px;font-size:13px}.site-header .language{padding:6px 9px;font-size:12px}main{padding:0 18px}.portal-hero{padding:42px 0 30px}.portal-hero h1{font-size:32px;letter-spacing:-1px}.portal-hero>p:not(.portal-kicker){font-size:14px;max-width:300px;margin:0 auto}.portal-trust{gap:10px;font-size:11px;margin-top:20px}.portal-trust span+span:before{margin-right:10px}.directory-bar{align-items:stretch;flex-direction:column}.tool-search input{width:100%}.tool-filter{font-size:12px;padding:8px 10px}.portal-grid{gap:11px}.portal-card{padding:18px 15px;min-height:185px}.portal-card h2{font-size:15px;margin:15px 0 7px}.portal-card p{font-size:12px;line-height:1.6}.tool-symbol{width:39px;height:39px;border-radius:10px}.tool-symbol img{width:26px;height:26px}.card-arrow{top:22px;right:14px;font-size:14px}.extra-tools{gap:23px 16px;padding:23px 0;margin-top:27px}.extra-tools h2{font-size:17px}.extra-tools a{font-size:12px}.extra-tools a span{font-size:11px}.portal-guides{padding-top:36px}.portal-guides .section-heading{flex-direction:row;align-items:end}.portal-guides .section-heading h2{font-size:23px}.portal-guides .section-heading>a{font-size:12px;white-space:nowrap}.portal-guides .guides{gap:8px}.portal-guides .portal-kicker{font-size:10px;margin-bottom:12px}.page-heading{padding:25px 0 20px}.page-heading h1{font-size:29px}.page-heading .lead{font-size:14px}.upstream-tool{padding:24px 14px}.workflow-intro{font-size:12px}.tool-footnote{font-size:11px;flex-direction:column;gap:10px;margin-bottom:35px}footer{margin-left:18px;margin-right:18px;padding-top:24px}.article h1{font-size:29px}}