:root{--bg:#eef1f3;--panel:#fff;--graphite:#141a1e;--graphite-2:#4a555c;--muted:#7c868c;--line:#d3dade;--line-2:#e5eaed;--lens:#1466b3;--lens-soft:#e3eef8;--reticle:#d4483f;--disp:"Space Grotesk", "Inter", system-ui, sans-serif;--body:"Inter", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;--mono:"JetBrains Mono", ui-monospace, "SFMono-Regular", monospace}html{-webkit-font-smoothing:antialiased}body{background:var(--bg);color:var(--graphite);font-family:var(--body);margin:0}.rp{max-width:1120px;margin:0 auto;padding:0 clamp(16px,4vw,30px) 56px}.rp-topline{border-bottom:1px solid var(--line);height:22px;margin-top:16px;position:relative}.rp-topline:after{content:"";background-image:linear-gradient(90deg, var(--line) 1px, transparent 1px);background-size:40px 100%;height:6px;position:absolute;bottom:0;left:0;right:0}.rp-top{justify-content:space-between;align-items:center;padding:18px 0 22px;display:flex}.rp-brand{font-family:var(--disp);letter-spacing:-.01em;align-items:center;gap:12px;font-size:19px;font-weight:700;display:flex}.rp-lensmark{border:2px solid var(--graphite);border-radius:50%;flex:none;width:26px;height:26px;position:relative}.rp-lensmark:before{content:"";background:var(--lens);opacity:.16;border-radius:50%;position:absolute;inset:6px}.rp-lensmark:after{content:"";background:var(--graphite);transform-origin:0;border-radius:2px;width:10px;height:2.5px;position:absolute;bottom:-5px;right:-5px;transform:rotate(45deg)}.rp-top nav{font-family:var(--mono);color:var(--graphite-2);align-items:center;gap:16px;font-size:12px;display:flex}.rp-top nav .k{letter-spacing:.08em;text-transform:uppercase}.rp-top nav .k.b{color:var(--lens)}.rp-lang .ant-segmented{font-family:var(--mono)}.rp-hero{border:1px solid var(--line);background:var(--panel);border-radius:14px;grid-template-columns:1fr 1fr;display:grid;overflow:hidden}.rp-hcol{padding:clamp(28px,4vw,46px)}.rp-hcol.left{border-right:1px solid var(--line)}.rp-kicker{font-family:var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--lens);align-items:center;gap:10px;margin-bottom:22px;font-size:11.5px;display:flex}.rp-kicker .id{color:var(--muted)}.rp-kicker:before{content:"";background:var(--lens);width:22px;height:1px}.rp-h1{font-family:var(--disp);letter-spacing:-.02em;margin:0 0 18px;font-size:clamp(34px,5vw,48px);font-weight:600;line-height:1.04}.rp-h1 .hl{color:var(--lens)}.rp-lede{color:var(--graphite-2);max-width:42ch;margin:0 0 28px;font-size:16px;line-height:1.55}.rp-specs{border-top:1px solid var(--line-2);font-family:var(--mono);grid-template-columns:1fr 1fr;display:grid}.rp-spec{border-bottom:1px solid var(--line-2);padding:13px 0}.rp-spec:nth-child(odd){border-right:1px solid var(--line-2);padding-right:16px}.rp-spec:nth-child(2n){padding-left:16px}.rp-spec .k{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;font-size:10.5px}.rp-spec .v{color:var(--graphite);margin-top:2px;font-size:14px}.rp-bench{background:radial-gradient(120% 90% at 72% 18%, var(--lens-soft), transparent 60%), var(--panel);flex-direction:column;justify-content:center;min-height:340px;display:flex;position:relative}.rp-specimen{color:#aeb7bd;column-count:2;-webkit-user-select:none;user-select:none;letter-spacing:.2px;column-gap:14px;padding:0 2px;font-size:8.5px;line-height:1.5}.rp-loupe{border:2px solid var(--graphite);background:var(--panel);border-radius:50%;justify-content:center;align-items:center;width:132px;height:132px;display:flex;position:absolute;top:clamp(70px,14%,110px);left:clamp(80px,34%,170px);overflow:hidden;box-shadow:0 0 0 6px #141a1e0d,0 22px 40px -18px #141a1e80}.rp-loupe .z{font-family:var(--disp);text-align:center;color:var(--graphite);padding:0 12px;font-size:15px;font-weight:500;line-height:1.25}.rp-loupe .z b{color:var(--lens);font-weight:700}.rp-loupe:after{content:"";background:var(--graphite);border-radius:3px;width:34px;height:6px;position:absolute;bottom:-15px;right:-15px;transform:rotate(45deg)}.rp-formula{border-top:1px dashed var(--line);font-family:var(--mono);color:var(--graphite-2);flex-wrap:wrap;align-items:center;gap:10px;margin-top:26px;padding-top:16px;font-size:12.5px;display:flex}.rp-formula .eq{color:var(--graphite);font-weight:500}.rp-formula .r{color:var(--reticle)}.rp-panelwrap{margin-top:22px;position:relative}.rp-panelwrap:before{content:"CONVERT";z-index:1;background:var(--bg);font-family:var(--mono);letter-spacing:.18em;color:var(--muted);padding:0 10px;font-size:11px;position:absolute;top:-8px;left:24px}.rp-panelwrap{border:1px solid var(--line);background:var(--panel);border-radius:14px;padding:clamp(18px,3vw,30px) clamp(16px,3vw,32px) clamp(20px,3vw,32px)}.rp-converter.ant-card{background:0 0}.rp-converter .ant-card-body{padding:0}.rp-converter .ant-upload-wrapper .ant-upload-drag{border:1.5px solid var(--line);background:linear-gradient(var(--bg), var(--panel));border-radius:12px}.rp-converter .ant-upload-wrapper .ant-upload-drag:hover{border-color:var(--lens)}.rp-converter .ant-upload-drag-icon .anticon{color:var(--lens);font-size:34px}.rp-converter .ant-upload-text{font-weight:600;font-family:var(--disp)!important;color:var(--graphite)!important;font-size:18px!important}.rp-converter .ant-upload-hint{font-family:var(--mono);letter-spacing:.02em;color:var(--muted)!important;font-size:12px!important}.rp-converter .ant-typography strong{font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-size:11px;font-weight:500}.rp-converter .ant-segmented-item-label{font-family:var(--disp);padding:0 14px;font-weight:500}.rp-desc{line-height:1.55;color:var(--graphite-2)!important;font-size:13.5px!important}.rp-desc-b{color:var(--graphite);font-weight:600}.rp-note{border-left:2px solid var(--line);padding-left:10px;font-family:var(--mono)!important;color:var(--muted)!important;font-size:11.5px!important;font-style:normal!important}.rp-converter .ant-btn-primary{font-family:var(--disp);letter-spacing:.01em}.rp-priv{font-family:var(--mono);color:var(--muted);align-items:center;gap:8px;font-size:11.5px;display:inline-flex}.rp-priv .r{border:1.5px solid var(--reticle);border-radius:50%;flex:none;width:8px;height:8px}.rp-tools{margin-top:30px}.rp-tools-head{font-family:var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--muted);align-items:center;gap:10px;margin-bottom:12px;font-size:11px;display:flex}.rp-tools-head:before{content:"";background:var(--line);width:22px;height:1px}.rp-tools-grid{grid-template-columns:repeat(4,1fr);gap:10px;display:grid}.rp-tool{border:1px solid var(--line);background:var(--panel);border-radius:10px;flex-direction:column;gap:5px;padding:14px 16px;text-decoration:none;transition:border-color .15s,transform .15s,box-shadow .15s;display:flex}.rp-tool:hover{border-color:var(--lens);transform:translateY(-2px);box-shadow:0 14px 26px -18px #1466b380}.rp-tool-name{font-family:var(--disp);color:var(--graphite);justify-content:space-between;align-items:center;gap:8px;font-size:15px;font-weight:600;display:flex}.rp-tool-name i{color:var(--muted);font-size:13px;font-style:normal}.rp-tool:hover .rp-tool-name i{color:var(--lens)}.rp-tool-desc{font-family:var(--mono);color:var(--muted);font-size:11px;line-height:1.45}.rp-footer{border-top:1px solid var(--line);font-family:var(--mono);color:var(--muted);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-top:30px;padding-top:22px;font-size:11.5px;display:flex}.rp-footer a{color:var(--graphite-2);text-decoration:none}.rp-footer a:hover{color:var(--lens)}@media (width<=900px){.rp-hero{grid-template-columns:1fr}.rp-hcol.left{border-right:0;border-bottom:1px solid var(--line)}.rp-bench{min-height:300px}.rp-loupe{left:32%}.rp-tools-grid{grid-template-columns:1fr 1fr}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto}}