@font-face{font-family:Sora;src:url('/assets/fonts/sora-latin-600-normal.woff2') format('woff2');font-weight:600;font-display:swap}@font-face{font-family:'DM Sans';src:url('/assets/fonts/dm-sans-latin-400-normal.woff2') format('woff2');font-weight:400;font-display:swap}@font-face{font-family:'DM Sans';src:url('/assets/fonts/dm-sans-latin-600-normal.woff2') format('woff2');font-weight:600;font-display:swap}
:root{--ink:#193a57;--muted:#60788c;--blue:#266bca;--blue-soft:#e9f1fc;--mist:#eef3f8;--line:#d9e3ec;--coral:#e37759;--white:#fff;--success:#32644d;--radius:14px;--display:Sora,system-ui,sans-serif;--body:'DM Sans',system-ui,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:#f9fbfd;color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.5}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}a{color:inherit;text-underline-offset:3px}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}button,input,select{color:var(--ink)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #82aeee;outline-offset:3px}button{touch-action:manipulation}input[type=checkbox],input[type=radio],input[type=range]{accent-color:var(--blue)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:absolute;top:-80px;left:12px;z-index:100;background:#fff;padding:12px}.skip-link:focus{top:10px}.site-header,.site-footer{max-width:1400px;margin:auto;padding:26px 48px;display:flex;align-items:center;justify-content:space-between;gap:24px}.site-header{border-bottom:1px solid var(--line)}.wordmark{font-family:var(--display);font-size:17px;text-decoration:none;display:flex;align-items:center;gap:11px;white-space:nowrap;font-weight:600}.wordmark strong{font-family:var(--body);font-weight:400}.wordmark svg{width:31px;height:31px;stroke:var(--ink);stroke-width:1.8;fill:none}.wordmark svg rect{fill:var(--coral);stroke:none}.site-header nav,.site-footer nav{display:flex;gap:28px;font-size:13px}.site-header nav a,.site-footer nav a{text-decoration:none}.site-header nav a:hover,.site-footer nav a:hover{color:var(--blue)}main{max-width:1400px;margin:0 auto;padding:0 48px}.intro{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;padding:48px 0 34px}.eyebrow{font-size:10px;font-weight:600;letter-spacing:.16em;margin:0 0 12px;color:var(--muted)}h1,h2,h3,p{margin-top:0}h1{font-family:var(--display);font-size:clamp(35px,3.3vw,48px);line-height:1.17;letter-spacing:-1.8px;margin-bottom:16px;font-weight:600}h1 span{color:var(--blue)}.intro-copy{max-width:580px;color:var(--muted);font-size:16px;margin-bottom:0}.intro-note{display:flex;gap:12px;align-items:flex-start;font-size:12px;flex-shrink:0;margin-bottom:5px;color:var(--muted)}.intro-note strong{color:var(--ink);font-weight:600}.intro-note p{margin:0}.intro-note svg{width:27px;height:27px;stroke:var(--blue);fill:none;stroke-width:2;margin-top:3px}.studio{display:grid;grid-template-columns:360px minmax(0,1fr);border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;box-shadow:0 12px 40px #193a5707}.control-panel{padding:25px 24px;border-right:1px solid var(--line);background:#fff}.panel-heading,.editor-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}.control-panel h2{font-family:var(--display);font-size:15px;margin:0 0 15px;display:flex;align-items:center;gap:9px}.panel-heading h2{margin:0}.panel-heading{margin-bottom:16px}.step{width:22px;height:22px;display:inline-flex;justify-content:center;align-items:center;border:1px solid #c3d4e4;border-radius:50%;font:11px var(--body);color:var(--muted)}.text-button{border:0;padding:3px 0;background:none;font-size:12px;color:var(--blue);text-underline-offset:3px}.text-button:hover{text-decoration:underline}.drop-zone{border:1.5px dashed #b5c9dc;border-radius:10px;background:#f5f8fc;padding:18px 10px 13px;text-align:center;transition:background .15s,border-color .15s}.drop-zone.dragging{background:#e2edfc;border-color:var(--blue)}.drop-zone p{font-size:11px;color:var(--muted);margin:9px 0 0}.drop-zone small{font-size:10px;color:var(--muted)}.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:11px 20px;border-radius:7px;border:1px solid transparent;font-size:13px;font-weight:600;line-height:1.4;text-decoration:none;min-height:42px;transition:background .15s,transform .15s}.button:hover:not(:disabled){transform:translateY(-1px)}.button-primary{background:var(--blue);color:#fff;box-shadow:0 3px 6px #266bca15}.button-primary:hover{background:#1b5cb8}.button-dark{background:var(--ink);color:white}.button-dark:hover{background:#285273}.button-secondary{border-color:var(--line);background:white}.sample-notice{font-size:10px;line-height:1.5;color:var(--muted);padding:10px 0 0;margin-bottom:9px}.photo-list{display:flex;gap:8px;overflow-x:auto;padding:4px 1px 10px;margin-top:10px;scrollbar-width:thin}.photo-tile{padding:0;border:2px solid transparent;border-radius:7px;background:#eff3f7;width:67px;min-width:67px;height:67px;position:relative;overflow:hidden}.photo-tile[aria-pressed=true]{border-color:var(--blue);box-shadow:0 0 0 2px #e2ecfa}.photo-tile img{width:100%;height:100%;object-fit:cover}.photo-tile .tile-count{position:absolute;bottom:3px;right:3px;border-radius:3px;background:#193a57dd;color:white;font:9px monospace;padding:1px 4px}.photo-editor{background:#f8fafd;border:1px solid #e4eaf1;border-radius:10px;padding:15px;margin-top:2px}.editor-heading h3{font-size:12px;max-width:230px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin:0;font-weight:600}.editor-heading{margin-bottom:13px}.icon-button{background:transparent;border:1px solid var(--line);border-radius:5px;min-width:28px;min-height:28px;display:inline-flex;align-items:center;justify-content:center;line-height:1}.icon-button:hover:not(:disabled){background:var(--blue-soft)}#remove-photo{border:0;font-size:20px;color:var(--muted)}.field{display:flex;flex-direction:column;gap:5px;font-size:11px;line-height:1.2;font-weight:600;min-width:0}.field input,.field select{width:100%;min-width:0;border:1px solid #cdd9e5;border-radius:5px;background:#fff;padding:9px 8px;min-height:36px;font-size:12px;font-weight:400}.field input:invalid{border-color:#c6513d}.field select{padding-right:18px}.field .unit-label{font-weight:400;color:var(--muted);display:contents}.dimension-row{display:grid;grid-template-columns:1fr 20px 1fr 55px;align-items:end;gap:6px;margin:12px 0}.swap-button{border:0;background:transparent;padding:0;height:36px;color:var(--muted);font-size:18px}.fit-options{border:0;padding:0;margin:0}.fit-options legend{font-size:11px;font-weight:600;margin:0 0 8px;padding:0}.fit-options label{display:flex;align-items:flex-start;gap:7px;margin:7px 0;cursor:pointer}.fit-options input{margin:3px 0 0}.fit-options strong{font-size:11px;font-weight:600;display:block}.fit-options small{font-size:10px;color:var(--muted);display:block}.range-field{font-size:10px;color:var(--muted);display:flex;align-items:center;gap:12px;margin:8px 0}.range-field input{min-width:0;flex:1}.resolution-note{font-size:10px;color:var(--success);margin:10px 0 6px;line-height:1.5}.resolution-note.warn{color:#a26023}.paper-controls{margin-top:25px;border-top:1px solid var(--line);padding-top:22px}.two-fields{display:grid;grid-template-columns:1.45fr 1fr;gap:10px}.three-fields{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:9px;margin:12px 0 15px}.check-field{font-size:11px;display:flex;align-items:center;gap:6px;margin:8px 0}.check-field input{margin:0}.preview-panel{background:var(--mist);min-width:0;display:flex;flex-direction:column}.preview-toolbar{padding:25px 30px 16px;display:flex;align-items:center;justify-content:space-between;gap:15px}.preview-toolbar .eyebrow{font-size:9px;margin-bottom:4px}.preview-toolbar h2{font-size:13px;margin:0;font-weight:600}.page-count{font-size:10px;border:1px solid #c9d7e3;border-radius:20px;padding:4px 11px;color:var(--muted)}.preview-scroll{padding:10px 40px 20px;min-height:480px;flex:1;display:flex;align-items:center;justify-content:center;background-image:radial-gradient(#91a9be33 .7px,transparent .7px);background-size:12px 12px}.page-wrap{width:100%;max-width:430px}.ruler-top{display:flex;justify-content:space-between;border-bottom:1px solid #aac0d1;position:relative;margin-bottom:12px;color:#7c96aa;font:8px ui-monospace,monospace;padding-bottom:7px;background:repeating-linear-gradient(90deg,#aac0d1 0 1px,transparent 1px 10%) bottom/100% 4px no-repeat}.paper-preview{width:100%;aspect-ratio:210/297;background:#fff;position:relative;box-shadow:0 3px 5px #193a570a,0 16px 30px #193a571c;overflow:hidden}.paper-preview .paper-margin{position:absolute;border:1px dashed #d6dfe6;pointer-events:none}.placed-photo{position:absolute;border:0;background:#fff;padding:0;overflow:hidden;box-shadow:0 0 0 .5px #d9e3ec;transition:outline-color .1s}.placed-photo.selected{outline:2px solid var(--blue);outline-offset:2px;z-index:2}.placed-photo:hover{outline:2px solid #7eabe7;outline-offset:1px}.placed-photo canvas{width:100%;height:100%;display:block}.size-badge{position:absolute;bottom:3px;left:3px;background:#fffffff0;color:var(--ink);padding:1px 4px;border-radius:2px;font:8px ui-monospace,monospace;pointer-events:none;opacity:0;transition:opacity .15s}.placed-photo:hover .size-badge,.placed-photo.selected .size-badge{opacity:1}.paper-ruler{position:absolute;border-top:1px solid #6a7e8e;font:7px ui-monospace,monospace;color:#6a7e8e;text-align:center;padding-top:3px}.paper-ruler:before,.paper-ruler:after{content:'';position:absolute;top:-4px;height:7px;border-left:1px solid #6a7e8e}.paper-ruler:before{left:0}.paper-ruler:after{right:0}.paper-footer-label{position:absolute;bottom:1.4%;right:4%;font:6px ui-monospace,monospace;color:#7f91a0}.preview-bottom{padding:0 30px 20px;text-align:center}.page-navigation{display:flex;align-items:center;justify-content:center;gap:18px;font-size:11px}.preview-bottom p{font-size:10px;color:var(--muted);margin:10px 0 0}.export-bar{background:#fff;border-top:1px solid var(--line);padding:22px 27px;display:flex;align-items:center;justify-content:space-between;gap:20px}.export-bar strong{font-family:var(--display);font-size:13px}.export-bar p{font-size:10px;color:var(--muted);max-width:285px;margin:5px 0 0}.export-bar .button{white-space:nowrap}.status{font-size:11px;min-height:0;margin:0;padding:0 27px;background:#fff;color:var(--muted)}.status:not(:empty){padding-bottom:14px}.notice{padding:12px 18px;font-size:12px;margin:0 24px 15px;border-radius:8px;overflow-wrap:anywhere}.notice-error{background:#fff0e9;color:#9e3f26;border:1px solid #edc5b9}.empty-preview{max-width:300px;text-align:center;padding:30px 10px;color:var(--muted)}.empty-preview>span{font-size:70px;color:#9cb3c7;line-height:1}.empty-preview h3{font-family:var(--display);font-size:16px;color:var(--ink);margin-top:15px}.empty-preview p{font-size:13px}.how-section{display:grid;grid-template-columns:260px 1fr;gap:40px;padding:64px 0;border-bottom:1px solid var(--line)}.section-intro h2,.section-heading h2{font:600 25px/1.35 var(--display);letter-spacing:-.7px;margin-bottom:0}.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.steps li>span{font:11px ui-monospace,monospace;color:var(--coral);display:block;margin-bottom:14px}.steps h3{font-size:14px;font-weight:600;margin-bottom:8px}.steps p{font-size:12px;color:var(--muted);line-height:1.7;margin:0}.guides-section{padding:56px 0}.section-heading{margin-bottom:24px}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.guide-card{text-decoration:none;border:1px solid var(--line);background:#fff;border-radius:12px;overflow:hidden;padding:0 22px 20px;display:flex;flex-direction:column;align-items:flex-start;transition:transform .2s,box-shadow .2s}.guide-card:hover{transform:translateY(-3px);box-shadow:0 8px 20px #193a570a}.guide-art{height:130px;position:relative;display:block;align-self:stretch;margin:0 -22px 20px;overflow:hidden;background:#e7eff7}.guide-label{font-size:9px;letter-spacing:.1em;color:var(--muted);font-weight:600}.guide-card h3{font:600 15px/1.5 var(--display);margin:8px 0}.guide-card p{font-size:12px;color:var(--muted);margin-bottom:22px}.guide-link{font-size:11px;font-weight:600;display:flex;justify-content:space-between;align-self:stretch;margin-top:auto;color:var(--blue)}.art-photos i{position:absolute;width:67px;height:86px;background:linear-gradient(160deg,#91b9cb 45%,#3a706e 45%);border:6px solid white;box-shadow:0 3px 5px #193a5717;transform:rotate(-12deg);left:22%;top:25px}.art-photos i:nth-child(2){left:44%;top:20px;background:linear-gradient(160deg,#efb58f 45%,#a76747 45%);transform:rotate(8deg)}.art-photos i:nth-child(3){left:64%;top:32px;width:56px;height:56px;background:linear-gradient(160deg,#d6d8b5 45%,#677851 45%);transform:rotate(18deg)}.art-ruler{background:#edf0e7}.art-ruler i{position:absolute;height:40px;width:210px;background:#d9d6a9;top:50px;left:calc(50% - 105px);border-radius:4px;transform:rotate(-8deg)}.art-ruler i:after{content:'';display:block;height:13px;background:repeating-linear-gradient(90deg,#87876a 0 1px,transparent 1px 10px);margin:0 10px}.art-ruler b{font:11px ui-monospace,monospace;position:absolute;left:calc(50% - 21px);top:68px;color:#676f52;transform:rotate(-8deg)}.art-pixels{background:#eeeafa}.art-pixels i{width:74px;height:74px;position:absolute;left:25%;top:25px;background:conic-gradient(#8091bd 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nav{gap:20px;font-size:11px}.noscript{position:fixed;bottom:10px;left:10px;right:10px;padding:15px;background:#fff2e5;color:#7b3f20;z-index:100}.article{max-width:800px;margin:0 auto;padding:56px 0 70px}.article h1{font-size:38px;line-height:1.25;letter-spacing:-1px;margin-bottom:24px}.article h2{font:600 21px/1.4 var(--display);margin-top:34px}.article h3{font:600 16px var(--display);margin-top:27px}.article p,.article li{color:#435f76;font-size:15px;line-height:1.85}.article a{color:var(--blue)}.article table{border-collapse:collapse;width:100%;font-size:13px;margin:20px 0;display:block;overflow:auto}.article th,.article td{border:1px solid var(--line);padding:10px 13px;text-align:left}.article th{background:var(--mist)}.article .article-cta{margin-top:36px;border-top:1px solid var(--line);padding-top:26px}.article .article-cta a{color:#fff}.article .back-link{font-size:12px;display:inline-block;margin-bottom:25px}.article .note,.article aside{padding:16px 20px;background:var(--blue-soft);border-radius:9px;margin:20px 0}
@media(min-width:1450px){.studio{grid-template-columns:380px minmax(0,1fr)}.preview-scroll{min-height:550px}.page-wrap{max-width:460px}}
@media(max-width:1100px){main{padding:0 30px}.site-header,.site-footer{padding-left:30px;padding-right:30px}.intro-note{max-width:220px;font-size:11px}.intro-copy{max-width:470px}.studio{grid-template-columns:330px minmax(0,1fr)}.control-panel{padding:22px 18px}.preview-scroll{padding:12px 26px 20px}.export-bar{align-items:flex-start;flex-direction:column;gap:14px}.export-bar .button{align-self:stretch}.how-section{grid-template-columns:200px 1fr;gap:25px}.steps{gap:18px}.site-footer p{display:none}}
@media(max-width:780px){main{padding:0 20px}.site-header{padding:20px}.site-header nav{gap:17px;font-size:11px}.site-header nav a:first-child{display:none}.wordmark{font-size:14px;gap:8px}.wordmark svg{width:25px;height:25px}.intro{padding:30px 0 25px;display:block}.intro h1{font-size:38px;letter-spacing:-1.4px}.intro-copy{font-size:14px}.intro-note{max-width:none;margin-top:19px;align-items:center}.intro-note br:last-child{display:none}.intro-note svg{width:21px;height:21px}.intro-note p{font-size:11px}.studio{grid-template-columns:1fr}.control-panel{border-right:0;border-bottom:1px solid var(--line);padding:22px}.photo-list{max-height:85px}.photo-editor{padding:16px}.paper-controls{margin-top:20px}.preview-toolbar{padding:22px}.preview-scroll{min-height:400px;padding:5px 28px 20px}.page-wrap{max-width:385px}.export-bar{flex-direction:row;align-items:center;padding:20px}.export-bar .button{align-self:auto;padding:11px 15px}.export-bar p{max-width:230px}.how-section{padding:40px 0;grid-template-columns:1fr;gap:25px}.section-intro h2 br{display:none}.steps{gap:20px}.guides-section{padding:40px 0}.guide-grid{gap:15px}.guide-card{padding-left:15px;padding-right:15px}.guide-art{margin-left:-15px;margin-right:-15px;height:100px}.guide-card h3{font-size:13px}.guide-card p{font-size:11px}.art-photos i{top:17px;width:50px;height:66px;left:13%}.art-photos i:nth-child(2){left:37%;top:15px}.art-photos i:nth-child(3){left:60%;width:40px;height:40px}.art-ruler i{width:130px;left:calc(50% - 65px);top:35px}.art-ruler b{top:51px}.art-pixels i{width:55px;height:55px;left:15%;top:25px}.art-pixels b{font-size:20px;left:55%;top:35px}.site-footer{padding:25px 20px;gap:20px}.article{padding-top:35px}.article h1{font-size:31px}}
@media(max-width:480px){main{padding:0 14px}.site-header{padding:17px 14px}.site-header nav{gap:15px}.site-header nav a:last-child{display:none}.intro h1{font-size:35px}.intro-note{display:none}.studio{border-radius:12px}.control-panel{padding:20px 16px}.preview-scroll{padding-left:24px;padding-right:24px;min-height:380px}.export-bar{flex-direction:column;gap:14px}.export-bar .button{width:100%}.export-bar div{width:100%}.export-bar p{max-width:none}.steps{grid-template-columns:1fr;gap:23px}.steps li{padding-left:35px;position:relative}.steps li>span{position:absolute;left:0;top:2px}.steps p{font-size:13px}.guide-grid{grid-template-columns:1fr}.guide-card{display:grid;grid-template-columns:100px 1fr;column-gap:18px;padding:17px}.guide-art{grid-row:1/5;margin:-17px 0 -17px -17px;height:auto;min-height:165px;align-self:stretch}.guide-label{grid-column:2}.guide-card h3,.guide-card p,.guide-link{grid-column:2}.guide-card p{margin-bottom:15px}.guide-art i{left:20%}.art-photos i:nth-child(2){left:36%;top:60px}.art-photos i:nth-child(3){left:30%;top:105px}.art-ruler i{transform:rotate(65deg);width:130px;top:65px;left:-10px}.art-ruler b{transform:rotate(65deg);top:79px;left:37px}.art-pixels i{top:30px;left:20px}.art-pixels b{top:105px;left:28px}.site-footer{align-items:flex-start}.site-footer nav{flex-wrap:wrap;gap:16px}.faq-section{padding-bottom:40px}.section-heading h2,.section-intro h2{font-size:23px}.article table{font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* Guide-only layouts: an actual PDF sheet, readable measurements, and task-specific next steps. */
.article .guide-figure{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1fr);gap:28px;align-items:center;margin:30px 0 38px;padding:26px;background:var(--mist);border:1px solid var(--line);border-radius:12px}
.article .guide-sheet-image{display:block;min-width:0;background:var(--white);box-shadow:0 3px 12px #193a5717}
.article .guide-sheet-image img{display:block;width:100%;height:auto}
.article .guide-figure figcaption{min-width:0}
.article .guide-caption-label{display:block;font-size:10px;letter-spacing:.13em;font-weight:600;color:var(--muted);margin-bottom:12px}
.article .guide-figure h2{font-size:20px;line-height:1.4;margin:0 0 12px;letter-spacing:-.4px}
.article .guide-figure p{font-size:13px;line-height:1.7;margin:0 0 16px}
.article .guide-figure dl{margin:18px 0;border-top:1px solid #c8d7e3;padding-top:14px}
.article .guide-figure dt{font-size:12px;font-weight:600;color:var(--ink)}
.article .guide-figure dd{font-size:12px;font-variant-numeric:tabular-nums;color:var(--muted);margin:2px 0 10px}
.article .guide-figure .button-primary,.article .guide-cta .button-dark{color:var(--white)}
.article .guide-figure-compact{grid-template-columns:minmax(0,.65fr) minmax(0,1.35fr)}
.article .guide-steps{padding-left:24px}
.article .guide-steps li{padding-left:6px}
.article .guide-steps li+li{margin-top:14px}
.article .guide-steps li::marker{font-weight:600;color:var(--blue)}
.article .guide-worked-example{margin:24px 0;padding:20px 24px;border-left:3px solid var(--coral);background:#f0f5fa}
.article .guide-worked-example h3{margin:0 0 10px;font-size:15px;line-height:1.5}
.article .guide-worked-example p{margin:0;font-size:14px;font-variant-numeric:tabular-nums}
.article .guide-formulas{margin:10px 0 16px;padding-left:20px}
.article .guide-formulas li{font-size:13px;overflow-wrap:anywhere}
.article .guide-comparison{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:22px 0}
.article .guide-comparison section{padding:20px;border:1px solid var(--line);border-radius:9px;background:var(--white)}
.article .guide-comparison h3{margin:0 0 10px;font-size:16px;line-height:1.4}
.article .guide-comparison p{font-size:14px;line-height:1.8;margin:0;font-variant-numeric:tabular-nums}
.article .guide-cta{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:24px;border-top:1px solid var(--line);margin-top:38px;padding-top:28px}
.article .guide-cta h2{font-size:19px;line-height:1.45;letter-spacing:-.3px;margin:0 0 8px}
.article .guide-cta p{font-size:13px;line-height:1.7;margin:0}
.article .guide-cta .button{white-space:nowrap}
.article table caption{text-align:left;font-size:12px;color:var(--muted);padding-bottom:10px;line-height:1.5}
@media(max-width:620px){.article .guide-figure,.article .guide-figure-compact{grid-template-columns:1fr;padding:20px;gap:22px}.article .guide-sheet-image{width:min(100%,260px);justify-self:center}.article .guide-figure h2{font-size:19px}.article .guide-comparison,.article .guide-cta{grid-template-columns:1fr}.article .guide-cta{gap:18px}.article .guide-cta .button{justify-self:start;white-space:normal}.article .guide-worked-example{padding:17px 18px}.article .guide-formulas{padding-left:16px}}