:root{--paper:#f6f5ef;--ink:#222b25;--muted:#687169;--line:#d8ddd2;--accent:#e96038;--pale:#ecf0e6;--mono:"SFMono-Regular",Consolas,monospace;--sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:15px}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:4px}button:disabled{opacity:.6;cursor:wait}.topbar,main,footer{max-width:1200px;margin:auto}.topbar{height:108px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:13px;font:600 13px var(--mono);letter-spacing:1px}.brand-icon{display:grid;place-items:center;width:40px;height:40px;background:var(--ink);color:var(--paper);font:26px Georgia,"Songti SC",serif;border-radius:50%}.brand b{color:var(--accent);margin:0 3px}nav{display:flex;align-items:center;gap:34px;font-size:13px}nav a span{color:var(--accent);margin-left:7px}.health{font:11px var(--mono);color:var(--muted);border:1px solid var(--line);border-radius:30px;padding:9px 13px}.health[data-ok=true]:before{content:"";display:inline-block;width:6px;height:6px;background:#708a40;border-radius:50%;margin-right:7px}.hero{display:grid;grid-template-columns:1.25fr 1fr;gap:64px;padding:78px 0 70px;align-items:center}.eyebrow{font:10px var(--mono);letter-spacing:2px;display:flex;align-items:center;gap:10px}.eyebrow>span{width:7px;height:7px;background:var(--accent)}h1{font-size:clamp(38px,4.4vw,61px);line-height:1.25;font-weight:600;letter-spacing:-2px;margin:30px 0 23px}h1 em{font-style:normal;color:var(--accent)}.intro{font-size:15px;line-height:1.9;color:var(--muted)}.hero-link{display:inline-flex;gap:45px;font-size:13px;margin-top:24px;border-bottom:1px solid var(--ink);padding-bottom:9px}.hero-link span{color:var(--accent)}.route-art{height:330px;position:relative;border-radius:4px;background-color:var(--pale);background-image:radial-gradient(#bbc5b7 .7px,transparent .7px);background-size:17px 17px;overflow:hidden}.art-label{position:absolute;top:23px;left:24px;font:9px var(--mono);letter-spacing:1.5px}.orbit{position:absolute;width:270px;height:270px;border:1px solid #cbd3c5;border-radius:50%;top:30px;left:calc(50% - 135px)}.orbit-two{width:370px;height:370px;top:-20px;left:calc(50% - 185px)}.art-center{position:absolute;left:calc(50% - 53px);top:calc(50% - 53px);width:106px;height:106px;display:flex;align-items:center;justify-content:center;flex-direction:column;background:var(--accent);color:white;border-radius:24px;transform:rotate(-7deg);font:48px "Songti SC",Georgia,serif;box-shadow:7px 10px 0 #d9dfd0}.art-center span{font:9px var(--mono);letter-spacing:3px;margin-top:5px}.art-source,.art-destination{position:absolute;top:134px;font:31px var(--mono);background:var(--ink);color:var(--paper);width:52px;height:52px;text-align:center;padding-top:6px;border-radius:50%;left:34px}.art-destination{left:auto;right:34px;color:var(--ink);background:var(--paper);border:1px solid #b5c2af}.art-source small,.art-destination small{position:absolute;top:65px;left:0;width:100%;font:9px var(--mono);color:var(--ink);letter-spacing:1px}.route-line{position:absolute;top:160px;left:88px;right:86px;border-top:1px dashed #87967e}.art-foot{position:absolute;bottom:22px;left:24px;right:24px;display:flex;justify-content:space-between;font:9px var(--mono);letter-spacing:1px}.workspace{background:#fff;border:1px solid var(--line);box-shadow:0 8px 0 #e9ece2;border-radius:5px;overflow:hidden}.section-top{padding:27px 32px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}h2{font-size:21px;font-weight:500;margin:0}.mono{font:10px var(--mono);letter-spacing:1px;color:var(--muted)}.tabs{display:flex;border-bottom:1px solid var(--line);padding:0 32px;gap:38px}.tabs button{background:none;border:0;padding:23px 0 19px;position:relative;color:var(--muted);display:flex;align-items:center;gap:12px}.tabs button span{font:10px var(--mono);color:var(--muted)}.tabs button b{font-size:19px;margin-left:18px;font-weight:400}.tabs button[aria-selected=true]{color:var(--ink)}.tabs button[aria-selected=true]:after{content:"";position:absolute;height:3px;bottom:-1px;background:var(--accent);left:0;right:0}.tabs button[aria-selected=true] b{color:var(--accent)}#converter{padding:28px 32px}label{display:block;font-size:12px;margin-bottom:12px}.input-row{display:flex;gap:12px}input{min-width:0;flex:1;background:#fafbf7;border:1px solid #cdd4c6;border-radius:3px;padding:19px 17px;font:13px var(--mono);color:var(--ink)}input::placeholder{color:#8b9287}#submit{background:var(--accent);color:white;border:0;border-radius:3px;padding:0 24px;display:flex;align-items:center;gap:30px;font-size:14px}#submit:hover{background:#d64e29}.input-meta{display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:11px;color:var(--muted);margin-top:6px}.input-meta button{border:0;background:transparent;font-size:11px;color:var(--muted);white-space:nowrap}#form-message{font-size:12px;margin:10px 0 0;min-height:0}#form-message:empty{display:none}#form-message[data-error=true]{color:#b52f16}.result{border-top:1px solid var(--line);margin-top:22px;padding-top:22px}.result-heading{display:flex;justify-content:space-between;font-size:12px;margin-bottom:15px}.output-row{display:flex;align-items:center;gap:16px;background:var(--pale);padding:16px}.output-row code{font:12px var(--mono);overflow-wrap:anywhere;min-width:0;flex:1}.copy{border:1px solid #bec8b6;background:transparent;padding:7px 11px;border-radius:3px;white-space:nowrap;font-size:11px;color:var(--ink)}.command-header{display:flex;justify-content:space-between;align-items:center;margin-top:20px;font-size:11px;color:var(--muted)}pre{font:12px/1.8 var(--mono);background:var(--ink);color:#e5ecd7;border-radius:3px;white-space:pre-wrap;overflow-wrap:anywhere;padding:19px}.result-note{font-size:11px;color:var(--muted);line-height:1.8}#download{display:inline-block;color:var(--accent);font-size:12px;margin:8px 0}#download[hidden],[hidden]{display:none!important}.workspace-footer{display:flex;justify-content:space-between;padding:16px 32px;border-top:1px solid var(--line);background:#fafbf7;font-size:10px;color:var(--muted)}.workspace-footer>span:last-child{font:9px var(--mono);letter-spacing:1.1px}.workspace-footer i{display:inline-block;width:5px;height:5px;background:#7d905e;border-radius:50%;margin-right:7px}.guide{display:grid;grid-template-columns:1fr 1.5fr;gap:100px;padding:87px 0 66px}.guide-title h2{font-size:30px;line-height:1.5;margin-top:22px}.guide-title>p:last-child{font-size:13px;line-height:1.9;color:var(--muted)}.guide-items{display:grid;grid-template-columns:1fr 1fr;gap:37px;padding-top:12px}.step{font:10px var(--mono);color:var(--accent);letter-spacing:1px}.guide-items h3{font-size:15px;font-weight:500;margin:22px 0 14px}.guide-items p{font-size:12px;line-height:1.9;color:var(--muted)}.guide-items code{font-size:10px;overflow-wrap:anywhere}.guide-items .small{font-size:11px;padding-top:13px;border-top:1px solid var(--line);margin-top:20px}.closing{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;justify-content:space-between;padding:26px 0;font-size:16px}.closing>span:last-child{font:11px var(--mono);color:var(--accent);letter-spacing:1px}footer{display:flex;justify-content:space-between;align-items:center;padding:34px 0 40px}footer .brand-icon{width:30px;height:30px;font-size:20px}footer .brand{font-size:10px}footer p{font-size:10px;color:var(--muted);line-height:1.8}footer>a:last-child{font-size:11px;color:var(--muted)}.hero-copy{animation:rise .7s ease both}.route-art{animation:rise .7s .12s ease both}@keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@media(min-width:1500px){.hero{padding-top:90px;padding-bottom:82px}}@media(max-width:1270px){.topbar,main,footer{margin-left:40px;margin-right:40px}}@media(max-width:850px){.hero{gap:30px}.route-art{height:300px}.art-source{left:14px}.art-destination{right:14px}.route-line{left:68px;right:66px}.guide{gap:40px}.section-top .mono{display:none}nav{gap:20px}.health{display:none}#submit{padding:0 18px;gap:15px}.guide-items{gap:20px}}@media(max-width:600px){.topbar,main,footer{margin-left:20px;margin-right:20px}.topbar{height:80px}.brand{font-size:11px;gap:8px}.brand-icon{width:34px;height:34px;font-size:23px}nav{gap:18px;font-size:11px}nav a:first-child{display:none}.hero{grid-template-columns:1fr;padding:44px 0 34px;gap:30px}h1{font-size:42px;margin-top:22px}.intro{font-size:13px}.hero-link{margin-top:14px}.route-art{height:185px}.art-label{font-size:8px;top:16px;left:17px}.art-center{width:78px;height:78px;left:calc(50% - 39px);top:calc(50% - 39px);font-size:36px;border-radius:18px}.art-center span{font-size:7px}.art-source,.art-destination{top:66px;left:36px;width:44px;height:44px;font-size:27px}.art-destination{left:auto;right:36px}.art-source small,.art-destination small{top:51px;font-size:8px}.route-line{top:89px;left:80px;right:80px}.orbit-one{top:-44px}.orbit-two{top:-94px}.art-foot{display:none}.section-top{padding:22px 20px}h2{font-size:18px}.tabs{padding:0 20px;gap:26px}.tabs button{font-size:13px;gap:8px;padding:20px 0 17px}.tabs button b{margin-left:4px}#converter{padding:23px 20px}.input-row{flex-direction:column}input{padding:17px 12px;font-size:11px;width:100%}#submit{padding:15px 18px;justify-content:space-between}.input-meta{align-items:flex-start;gap:8px;font-size:10px}.input-meta p{line-height:1.7}.input-meta button{margin-top:10px;font-size:10px}.workspace-footer{padding:15px 20px;font-size:9px}.workspace-footer>span:last-child{display:none}.output-row{padding:12px;align-items:flex-start;flex-direction:column}.guide{grid-template-columns:1fr;gap:24px;padding:55px 0 35px}.guide-title h2{font-size:26px}.guide-items{gap:25px}.guide-items h3{line-height:1.7}.closing{font-size:13px;padding:24px 0;gap:16px}.closing>span:last-child{font-size:8px;max-width:110px;text-align:right}footer{flex-wrap:wrap;gap:15px;padding:25px 0}footer p{order:3;width:100%;margin:0;font-size:9px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.hero-copy,.route-art{animation:none}}

.release-panel{margin:20px 0;padding:24px;background:#f1f3eb;border:1px solid #d5dacb;border-radius:12px;overflow-wrap:anywhere}.release-panel h2{font-size:20px;margin:0 0 10px}.release-panel section{padding:18px 0;border-bottom:1px solid #d5dacb}.release-panel h3{margin:0;font-size:16px}.release-tag{font-size:12px;opacity:.7;margin:6px 0 12px}.release-asset{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;text-align:left;background:#fff;border:1px solid #d5dacb;border-radius:6px;padding:12px;margin:6px 0;color:inherit;cursor:pointer}.release-asset span{min-width:0;overflow-wrap:anywhere}.release-asset small{white-space:nowrap}.release-asset:hover,.release-asset:focus-visible{border-color:#294c3a;background:#e5eddf}.release-panel>a{display:inline-block;margin-top:18px}.release-panel[hidden]{display:none}@media(max-width:600px){.release-panel{padding:16px}.release-asset{flex-wrap:wrap;gap:6px}}
.release-page{padding:28px;margin:32px 0;overflow-wrap:anywhere}.release-page h1{font-size:clamp(24px,4vw,40px);line-height:1.25}.release-page a.release-asset{text-decoration:none}