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#00000040}.coord-tooltip.visible{opacity:1}.dropped-guides{pointer-events:none;position:absolute;inset:0;overflow:hidden}.dropped-guide{pointer-events:auto}.dg-v{top:var(--nav-height);pointer-events:none;z-index:66;background:#78b4ff73;width:1px;position:fixed;bottom:0}.dg-h{pointer-events:none;z-index:66;background:#78b4ff73;height:1px;position:fixed;left:0;right:0}.dg-remove{z-index:67;color:#fff;cursor:pointer;opacity:0;pointer-events:auto;background:#78b4ffcc;border:none;border-radius:50%;justify-content:center;align-items:center;width:20px;height:20px;padding:0;font-size:13px;line-height:1;transition:opacity .12s;display:flex;position:fixed}.dropped-guide:hover .dg-remove{opacity:1}body.ruler-dark .coord-tooltip{background:#0d1117;border-color:#78b4ff40}.scroll-content{margin-top:calc(var(--nav-height) + var(--ruler-height));margin-left:var(--ruler-width);min-height:calc(100vh - var(--nav-height) + 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#0000000a}.cal-card:hover{border-color:var(--link);transform:translateY(-2px);box-shadow:0 4px 8px #0000000f,0 8px 16px #00000014}.cal-card:active{transform:translateY(0)}.cal-card-step{background:var(--ink);width:32px;height:32px;color:var(--on-primary);border-radius:50%;justify-content:center;align-items:center;margin-bottom:16px;font-size:14px;font-weight:600;display:flex}.cal-card h3{margin-bottom:8px}.cal-card p{color:#8a8a92;margin:0 0 auto;font-size:14px;line-height:22px}.cal-card-footer{gap:8px;margin-top:16px;display:flex}.cal-card-tag{background:var(--canvas-soft-2);color:var(--body);border-radius:100px;padding:2px 10px;font-size:11px;font-weight:500;display:inline-flex}.info-card{background:var(--canvas);border:1px solid var(--hairline);border-radius:8px;padding:24px;box-shadow:0 1px 1px #00000005,0 2px 2px #0000000a}.info-card h3{margin-bottom:16px}.device-list{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.device-list 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12px;font-size:14px}.device-select:focus{border-color:var(--link);box-shadow:0 0 0 3px #0070f31a}.diagonal-input-group{align-items:center;gap:8px;display:flex}.diagonal-input-group input{border:1px solid var(--hairline);background:var(--canvas);color:var(--ink);border-radius:6px;outline:none;flex:1;padding:8px 12px;font-size:16px;font-weight:500}.diagonal-input-group input:focus{border-color:var(--link);box-shadow:0 0 0 3px #0070f31a}.diagonal-unit{color:var(--body);font-size:14px;font-weight:500}body.modal-open{overflow:hidden}body.ruler-fullscreen .scroll-content,body.ruler-fullscreen .site-footer,body.ruler-fullscreen .ruler-status{display:none}body.ruler-fullscreen .ruler-container.ruler-h{height:var(--ruler-height);border-radius:0;top:0}body.ruler-fullscreen .ruler-container.ruler-v,body.ruler-fullscreen .ruler-container.ruler-r{width:var(--ruler-width);border-radius:0;top:0}body.ruler-fullscreen .ruler-container.ruler-b{height:var(--ruler-height);border-radius:0;bottom:0}body.ruler-fullscreen .top-nav{opacity:0;pointer-events:none}body.ruler-dark{--ink:#ededed;--on-primary:#171717;--body:#e0e0e0;--mute:#999;--hairline:#ffffff1f;--hairline-strong:#ffffff4d;--canvas:#171717;--canvas-soft:#121212;--canvas-soft-2:#222;--link:#3291ff;--link-bg-soft:#3291ff26;--success:#3291ff;--error-soft:#ee000026;--ruler-bg:#171717eb;--guide-color:#34d399;--guide-glow:#34d39940}body.ruler-dark .ruler-status{color:#ffffff80;border-color:#ffffff1f}body.ruler-dark .ruler-status.success{color:var(--success);border-color:var(--success)}body.ruler-dark .ruler-status.warning{color:var(--warning);border-color:var(--warning)}body.ruler-dark .top-nav{background:#171717eb;border-color:#ffffff1a}body.ruler-dark .nav-logo{color:#fff}body.ruler-dark .nav-logo img{filter:brightness(10)}body.ruler-dark .control-btn{color:#fff9}body.ruler-dark .control-btn:hover{color:#fff;background:#ffffff14}body.ruler-dark .control-btn.active,body.ruler-dark .control-btn.active:hover{color:var(--link);background:var(--link-bg-soft)}body.ruler-dark .hero-title{color:#fff}body.ruler-dark .mobile-dropdown{background:#1e1e1e;border-color:#ffffff1f}body.ruler-dark .dropdown-item{color:#ccc}body.ruler-dark .dropdown-item:hover{color:#fff;background:#ffffff14}body.ruler-dark .hero-desc,body.ruler-dark .quick-cal-bar{color:#e0e0e0}body.ruler-dark .quick-diagonal-input{color:#fff;background:#2a2a2a;border-color:#fff3}body.ruler-dark .quick-diagonal-unit,body.ruler-dark .quick-cal-label{color:#e0e0e0}body.ruler-dark .unified-heading{color:#fff}body.ruler-dark .unified-subtext{color:#8a8a92}body.ruler-dark .edge-card{background:#1a1a20;border-color:#ffffff0f}body.ruler-dark .edge-card:hover{background:#24242c;border-color:#ffffff1f}body.ruler-dark .edge-card.active{background:#24242c;border-color:#64b4ff4d}body.ruler-dark .edge-card.active .edge-label{color:#64b4ff99}body.ruler-dark .edge-label{color:#ffffff59}body.ruler-dark .edge-dir{color:#fff}body.ruler-dark .unified-state .ruler-status{color:#fff9;background:#ffffff0f;border-color:#ffffff14}body.ruler-dark .unified-state .ruler-status.success{color:#ffffffb3;border-color:#34d3994d}body.ruler-dark .unified-links,body.ruler-dark .unified-link{color:#ffffff4d}body.ruler-dark .unified-link:hover{color:#fff9}body.ruler-dark .unified-link-sep{color:#ffffff26}body.ruler-dark .compact-device-link{color:#ffffff59}body.ruler-dark .compact-device-link:hover{color:#fff9}body.ruler-dark .compact-hide-btn{color:#ffffff80;background:#ffffff14;border-color:#ffffff1a}body.ruler-dark .compact-hide-btn:hover{color:#fffc;background:#ffffff24}body.ruler-dark .restore-info-btn{color:#e0e0e0;background:#2a2a2a;border-color:#ffffff26}body.ruler-dark .restore-info-btn:hover{background:#3a3a3a}@media (width<=900px){.card-grid{grid-template-columns:repeat(2,1fr)}.hero-title{letter-spacing:-1.4px;font-size:38px;line-height:42px}}@media (width<=768px){.ruler-app{overflow:visible}#lock-btn,#dark-btn,#fullscreen-btn,#menu-btn,.btn-label{display:none}.mobile-dropdown{top:calc(var(--nav-height) + 4px);background:var(--canvas);border:1px solid var(--hairline);z-index:300;border-radius:10px;flex-direction:column;gap:2px;min-width:200px;padding:6px;display:none;position:fixed;right:12px;box-shadow:0 8px 24px #0000001f}.mobile-dropdown.open{display:flex}.dropdown-item{color:var(--body);cursor:pointer;text-align:left;background:0 0;border:none;border-radius:6px;align-items:center;gap:10px;width:100%;padding:10px 14px;font-size:14px;font-weight:500;display:flex}.dropdown-item:hover{background:var(--canvas-soft-2);color:var(--ink)}#calibrate-btn.mobile-dropdown-open{color:var(--link);background:var(--link-bg-soft)}.nav-inner{gap:4px;padding:3px 0}.hero-section{padding-top:68px}.hero-content{text-align:left;width:auto;margin-left:75px;margin-right:16px}.hero-actions{flex-direction:column;align-items:center}.btn-primary,.btn-secondary{width:100%}.btn-primary{margin-bottom:12px}.hero-title{letter-spacing:-.6px;margin-bottom:14px;font-size:1.8rem;line-height:2.2rem}.hero-desc{font-size:.9rem;line-height:1.4rem}.hero-links{flex-wrap:wrap;margin-top:16px;font-size:12px}.top-nav{background:var(--ruler-bg);-webkit-backdrop-filter:none;width:100%;position:sticky;top:0}.ruler-container.ruler-h{top:var(--nav-height);width:100%;position:fixed}body{padding-bottom:calc(90px + env(safe-area-inset-bottom,0px))}.quick-cal-bar{width:100%;margin-top:20px;display:flex;position:relative}.faq-section{margin-left:var(--ruler-width);padding-bottom:calc(env(safe-area-inset-bottom,0px) + 16px)}.faq-question{padding-right:calc(22px + var(--ruler-width))}.site-footer{margin-left:var(--ruler-width)}}@media (width<=600px){:root{--ruler-height:44px;--ruler-width:44px}.top-nav{padding:0 10px}.nav-inner{gap:4px;padding:3px 0}.nav-controls{gap:4px}.control-btn{padding:6px;font-size:12px}.btn-label,.nav-logo span{display:none}.nav-logo img{width:20px;height:20px}.nav-logo{gap:0}.unit-btn,.edge-btn{padding:4px 6px;font-size:10px}.ruler-status{padding:1px 6px;font-size:10px}.control-group{gap:1px;padding:1px}.card-grid,.card-grid.cols-2{grid-template-columns:1fr}.hero-section{padding:40px 16px;padding-left:calc(16px + var(--ruler-width))}.hero-title{margin-bottom:14px}.hero-desc{margin-bottom:24px}.hero-actions{flex-direction:column;align-items:center}.btn-primary,.btn-secondary{justify-content:center;width:100%}.hero-badge{padding:3px 10px;font-size:10px}.quick-cal-bar{flex-wrap:wrap;justify-content:center;padding:6px 12px}.quick-diagonal-input{width:60px}.quick-cal-label{font-size:11px}.content-section{padding:48px 16px}.section-title{font-size:22px;line-height:28px}.scroll-content{margin-left:var(--ruler-width)}.unified-subtext,.cal-card p,.seo-text p{overflow-wrap:break-word;word-break:break-word}.site-footer{margin-left:var(--ruler-width)}.footer-inner{text-align:center;flex-direction:column;gap:6px}.footer-links{flex-direction:column;gap:2px}.footer-dot{display:none}.modal-card{border-radius:0;width:100%;height:100dvh;max-height:90vh}.modal-overlay{align-items:flex-end}.modal-header{padding:16px}.modal-body{padding:0 16px 24px}.cal-card{padding:20px}.guide-handle{width:28px;height:28px}.guide-tooltip{padding:2px 6px;font-size:9px}.feature-item{font-size:14px}.seo-text{font-size:14px;line-height:24px}.seo-text h3{font-size:16px;line-height:24px}.faq-question{padding:14px 18px}.faq-question h3{font-size:14px}.faq-answer-inner p{padding:0 18px 14px;font-size:13px;line-height:20px}.hero-bg{height:300px;top:-100px}}@media (width<=480px){.edge-cards-4{grid-template-columns:repeat(2,1fr);max-width:240px}}@media (width<=400px){.hero-section{padding:28px 12px;padding-left:calc(12px + var(--ruler-width))}.hero-title{font-size:1.5rem;line-height:1.9rem}.hero-desc{line-height:1.4rem}.top-nav{padding:0 6px}.nav-inner{gap:2px;padding:2px 0}.nav-controls{gap:2px}.control-btn{padding:5px 4px}.unit-btn,.edge-btn{padding:3px 4px;font-size:9px}.ruler-status{padding:1px 4px;font-size:9px}.content-section{padding:36px 12px}.section-title{font-size:20px;line-height:26px}.quick-cal-bar{gap:4px;padding:4px 8px}.quick-diagonal-input{width:50px;padding:3px 6px;font-size:11px}.quick-cal-apply{padding:3px 10px;font-size:11px}.card-grid{gap:14px}.cal-card{padding:16px}.seo-text{font-size:13px;line-height:22px}}