:root{--bg1:#ffffff;--bg2:#f5f5f7;--bg3:#ececee;--b1:rgba(0,0,0,.18);--b2:rgba(0,0,0,.12);--b3:rgba(0,0,0,.07);--t1:#1a1a1a;--t2:#555;--t3:#888;--blue:#185FA5;--blue-f:#378ADD;--blue-lt:#E6F1FB;--blue-dk:#0C447C;--amz:#FAEEDA;--amz-t:#633806;--green:#1a7a3c;--font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;--r-xl:16px;--r-lg:12px;--r-md:8px;--max:900px;--t:.15s ease}*,::after,::before{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{font-family:var(--font);font-size:16px;line-height:1.5;background:var(--bg3);color:var(--t1);min-height:100dvh;display:flex;flex-direction:column}img,svg{display:block;max-width:100%}a{color:var(--blue)}button{font-family:inherit;cursor:pointer}input,select{font-family:inherit}.page-wrap{flex:1;width:100%;max-width:var(--max);margin:0 auto;padding:.875rem .875rem 1.5rem}@media(min-width:768px){.page-wrap{padding:1.25rem 1.5rem 2rem}}.nav{position:sticky;top:0;z-index:100;background:var(--bg1);border-bottom:.5px solid var(--b3)}.nav-inner{display:flex;align-items:stretch;flex-wrap:wrap;max-width:var(--max);margin:0 auto;padding:0 .875rem;height:auto;gap:0}.nav-logo{order:1;flex-grow:1;font-size:15px;font-weight:500;letter-spacing:-.3px;color:var(--blue);text-decoration:none;white-space:nowrap;display:flex;align-items:center;height:46px}.nav-logo span{color:var(--t1)}.nav-hamburger{order:2;display:flex;align-items:center;justify-content:center;width:32px;height:46px;background:0 0;border:none;color:var(--t2);flex-shrink:0;padding:4px}.nav-hamburger svg{width:20px;height:20px}.nav-hamburger:hover{color:var(--t1)}.nav-links{order:3;flex-basis:100%;display:flex;align-items:stretch;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;height:38px;margin-left:0;border-top:.5px solid 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0;font-size:10px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;color:var(--t2);background:0 0;border:none;outline:0;cursor:pointer;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='7'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%238e8e93' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 4px center;background-size:10px 7px;margin-bottom:6px;font-family:var(--font)}.conv-select:focus{color:var(--t1)}.conv-select option{background:var(--bg2);color:var(--t1);text-transform:none;letter-spacing:0;font-weight:400;font-size:14px}.swap-row{display:flex;justify-content:center;margin:10px 0}.swap-btn{width:36px;height:36px;border-radius:50%;background:var(--bg2);border:.5px solid var(--b2);display:flex;align-items:center;justify-content:center;color:var(--t2);font-size:17px;flex-shrink:0;cursor:pointer;transition:background 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var(--t)}.amazon-card:hover{border-color:var(--blue-f)}.amazon-icon{width:42px;height:42px;background:var(--amz);border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;color:var(--amz-t)}.amazon-text{flex:1;min-width:0}.amazon-title{font-size:13px;font-weight:600;color:var(--t1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.amazon-sub{font-size:11px;color:var(--t2);margin-top:2px}.amazon-btn{font-size:11px;font-weight:600;background:var(--amz);color:var(--amz-t);border:none;border-radius:var(--r-md);padding:6px 12px;white-space:nowrap;flex-shrink:0;transition:background var(--t)}.amazon-btn:hover{background:#f0dfc8}.related-title{font-size:13px;font-weight:600;color:var(--t1);margin-bottom:8px}.related-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}.tag{display:inline-flex;align-items:center;font-size:12px;background:var(--bg1);border:.5px solid var(--b2);border-radius:20px;padding:5px 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1.5rem}}@media(prefers-color-scheme:dark){:root{--bg1:#1c1c1e;--bg2:#2c2c2e;--bg3:#111113;--b1:rgba(255,255,255,.2);--b2:rgba(255,255,255,.12);--b3:rgba(255,255,255,.08);--t1:#f2f2f7;--t2:#aeaeb2;--t3:#6d6d72;--blue:#5ea8f7;--blue-f:#378ADD;--blue-lt:#0d2a45;--blue-dk:#90c4ff;--amz:#3a2800;--amz-t:#f0bb6e;--green:#34d058}.conv-select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236d6d72' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E")}}