*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;color:#1f2d26;background:#f4f7f5}
.top{background:#fff;border-bottom:1px solid #e3ebe6;padding:.8rem 1rem}
.brand{display:inline-flex;align-items:center;gap:.4rem;font-weight:700;font-size:1.25rem;color:#2f6f4f;text-decoration:none}
.logo{font-size:1.1rem}
.wrap{max-width:560px;margin:0 auto;padding:1.5rem 1rem 2.5rem}
.card{background:#fff;border:1px solid #e3ebe6;border-radius:14px;padding:1.5rem 1.25rem;box-shadow:0 1px 3px rgba(20,60,40,.05)}
h1{margin:0 0 .3rem;font-size:1.45rem;color:#17402b}
h2{margin:0 0 .5rem;font-size:1.1rem;color:#17402b}
.lead{margin:0 0 1.2rem;color:#4b5e54}
label{display:block;font-weight:600;margin-bottom:.35rem}
input{width:100%;font:inherit;font-size:1.05rem;letter-spacing:.04em;padding:.7rem .8rem;border:1.5px solid #c9d8cf;border-radius:10px;background:#fbfdfc;color:#17402b}
input:focus{outline:none;border-color:#2f6f4f;box-shadow:0 0 0 3px rgba(47,111,79,.15)}
.cf-turnstile{margin:1rem 0;min-height:65px;max-width:100%;overflow:hidden}
button{width:100%;font:inherit;font-weight:600;padding:.75rem;border:0;border-radius:10px;background:#2f6f4f;color:#fff;cursor:pointer}
button:disabled{opacity:.6;cursor:wait}
.msg{min-height:1.4em;margin:.8rem 0 0;color:#a3341f;word-break:break-word}
.msg.ok{color:#2f6f4f}
.result{margin-top:1.2rem;padding:1rem;border:2px solid #2f6f4f;border-radius:12px;background:#eaf5ee}
h3{margin:1rem 0 .3rem;font-size:.95rem;color:#17402b}
.code-row{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem}
.icode{font:700 1.6rem/1.2 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:.06em;color:#17402b;background:#fff;border:1.5px dashed #2f6f4f;border-radius:10px;padding:.35rem .7rem;word-break:break-all}
.link{margin:0 0 .6rem;word-break:break-all;font-size:.92rem;color:#17402b;background:#fff;border-radius:8px;padding:.5rem .6rem}
.btns{display:flex;flex-wrap:wrap;gap:.5rem}
.btn2{width:auto;display:inline-block;font:inherit;font-size:.92rem;font-weight:600;padding:.5rem .9rem;border:1.5px solid #2f6f4f;border-radius:9px;background:#fff;color:#2f6f4f;cursor:pointer;text-decoration:none;line-height:1.4}
.btn2.done{background:#2f6f4f;color:#fff}
.btn-open{background:#2f6f4f;color:#fff}
.keep{margin:.9rem 0 .6rem;padding:.5rem .7rem;background:#fff6e0;border-left:3px solid #c47f00;border-radius:6px;font-size:.92rem;color:#3a2a00}
ol{margin:0;padding-left:1.3rem}
ol li{margin:.25rem 0}
.usage{margin:.5rem 0 0;font-weight:600;color:#2f6f4f}
.usage.used{color:#a3341f}
.once{margin:.6rem 0 0;font-weight:600;color:#a3341f}
.note{margin:.8rem 0 0;font-size:.85rem;color:#4b5e54}
.foot{margin:1rem .25rem 0;font-size:.85rem;color:#6a7d72}