.ar-wrapper{max-width:940px;margin:0 auto;padding:0 16px 48px}.ar-sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.ar-page-header{text-align:center;max-width:940px;margin:0 auto;padding:24px 16px 8px}.ar-layout{grid-template-columns:280px 1fr;align-items:start;gap:24px;display:grid}.ar-section{background:var(--swp-surface,#fff);border:1px solid var(--swp-border,#e5e7eb);border-radius:12px;flex-direction:column;gap:10px;margin-bottom:12px;padding:14px;display:flex}.ar-section:last-child{margin-bottom:0}.ar-section-title{color:var(--swp-ink);margin:0;font-size:13px;font-weight:800}.ar-ratio-inputs{align-items:center;gap:12px;display:flex}.ar-ratio-num{border:2px solid var(--swp-border,#e5e7eb);text-align:center;width:80px;min-height:44px;color:var(--swp-ink);background:var(--swp-bg,#f9fafb);border-radius:8px;padding:8px 12px;font-size:20px;font-weight:700;transition:border-color .15s,background .15s}.ar-ratio-num:focus{border-color:var(--color-primary,#0d9488);outline:none}.ar-ratio-colon{color:var(--swp-ink);font-size:28px;font-weight:700}.ar-ratio-decimal{color:var(--swp-ink-muted);margin:0;font-size:13px}.ar-presets{border:none;grid-template-columns:repeat(2,1fr);gap:8px;margin:0;padding:0;display:grid}.ar-preset-btn{border:2px solid var(--swp-border,#e5e7eb);background:var(--swp-surface,#fff);cursor:pointer;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:2px;min-height:52px;padding:8px 12px;transition:background .15s,border-color .15s;display:flex}.ar-preset-btn:hover{background:var(--swp-bg,#f9fafb);border-color:var(--color-primary,#0d9488)}.ar-preset-btn--active{border-color:var(--color-primary,#0d9488);background:color-mix(in srgb, var(--color-primary,#0d9488) 10%, transparent)}.ar-preset-label{color:var(--swp-ink);font-size:13px;font-weight:700}.ar-preset-icon{font-size:14px}.ar-usage-panel{flex-direction:row;align-items:flex-start;gap:10px}.ar-usage-icon{flex-shrink:0;font-size:20px}.ar-usage-text{color:var(--swp-ink);margin:0;font-size:13px;line-height:1.6}.ar-container-slider-row{align-items:center;gap:12px;display:flex}.ar-container-slider{cursor:pointer;height:36px;accent-color:var(--color-primary,#0d9488);flex:1}.ar-container-value{color:var(--swp-ink);white-space:nowrap;text-align:right;min-width:60px;font-size:13px;font-weight:700}.ar-preview-wrapper{border:2px dashed var(--swp-border,#9ca3af);background:var(--swp-bg,#f9fafb);border-radius:12px;min-height:120px;padding:16px;overflow:hidden}.ar-preview-box{background:linear-gradient(135deg, var(--color-primary,#0d9488) 0%, #0d9488 50%, #14b8a6 100%);border-radius:8px;justify-content:center;align-items:center;transition:width .15s,aspect-ratio .15s;display:flex}.ar-preview-label{color:#fff;text-shadow:0 1px 3px #0006;text-align:center;padding:4px;font-size:16px;font-weight:700}.ar-preview-dims{color:var(--swp-ink-muted);text-align:center;margin:0;font-size:12px}.ar-css-header{justify-content:space-between;align-items:center;gap:8px;display:flex}.ar-copy-btn{border:1px solid var(--swp-border,#e5e7eb);background:var(--swp-surface,#fff);cursor:pointer;min-height:44px;color:var(--swp-ink);white-space:nowrap;border-radius:8px;padding:8px 16px;font-size:13px;font-weight:700;transition:background .15s,border-color .15s}.ar-copy-btn:hover{background:var(--swp-bg,#f9fafb)}.ar-copy-btn--copied{color:#065f46;background:#d1fae5;border-color:#059669}.ar-css-code{color:#e2e8f0;white-space:pre;background:#1a202c;border-radius:10px;margin:0;padding:16px;font-family:Courier New,Courier,monospace;font-size:13px;line-height:1.6;overflow-x:auto}.ar-how-to{max-width:940px;margin:48px auto 0;padding:0 16px}.ar-section-heading{color:var(--swp-ink);margin:0 0 16px;font-size:20px;font-weight:800}.ar-steps{color:var(--swp-ink);flex-direction:column;gap:8px;padding-left:20px;font-size:15px;line-height:1.7;display:flex}.ar-related-section{max-width:940px;margin:32px auto 0;padding:0 16px}.ar-related-tools{flex-direction:column;gap:8px;display:flex}.ar-related-link{color:var(--color-primary,#0d9488);font-size:15px;text-decoration:none}.ar-related-link:hover{text-decoration:underline}@media (width<=639px){.ar-layout{flex-direction:column;gap:16px;display:flex}.ar-control-col{order:1}.ar-preview-col{order:2}.ar-presets{grid-template-columns:repeat(4,1fr)}.ar-preview-wrapper{padding:8px}.ar-preset-btn{min-height:48px}.ar-preset-label{font-size:11px}}