*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;background:#f6f7f9;color:#1f2328;font-size:14px;line-height:1.5}
a{color:#0969da;text-decoration:none}
a:hover{text-decoration:underline}
nav{background:#1f2328;color:#fff;padding:.6rem 1rem;display:flex;gap:1rem;align-items:center;flex-wrap:wrap}
nav a{color:#fff}
nav .brand{font-weight:600;margin-right:auto}
nav .user{color:#9da5b3;font-size:13px}
#nav-links{display:flex;gap:1rem;align-items:center;flex-wrap:wrap}
main{max-width:1000px;margin:1.5rem auto;padding:0 1rem}
h1{font-size:1.3rem;margin:0 0 1rem}
h2{font-size:1.05rem;margin:1.5rem 0 .6rem}
.card{background:#fff;border:1px solid #d0d7de;border-radius:6px;padding:1rem;margin-bottom:1rem}
table{width:100%;border-collapse:collapse;margin-bottom:1rem}
th,td{padding:.45rem .5rem;text-align:left;border-bottom:1px solid #eaeef2;vertical-align:top}
th{font-weight:600;color:#57606a;font-size:13px}
td code{background:#f0f2f4;padding:.1rem .3rem;border-radius:3px;font-size:12px}
input,select,textarea{font:inherit;padding:.4rem .5rem;border:1px solid #d0d7de;border-radius:4px;background:#fff;width:100%}
button{font:inherit;padding:.4rem .8rem;border:1px solid #d0d7de;border-radius:4px;background:#fff;cursor:pointer;width:auto}
button.primary{background:#1f6feb;color:#fff;border-color:#1f6feb}
button.danger{color:#cf222e}
button:hover{background:#f3f4f6}
button.primary:hover{background:#1a5dc8}
.row{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap}
.muted{color:#57606a}
.tag{display:inline-block;padding:.1rem .4rem;border-radius:10px;background:#eaeef2;font-size:11px;color:#57606a}
.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem}
.form-grid .form-title{grid-column:1/-1;font-weight:600;margin-bottom:.15rem}
.form-grid .form-hint{grid-column:1/-1;background:#fff8e6;border:1px solid #efd8a7;border-radius:4px;padding:.5rem .7rem;font-size:12px;line-height:1.6;margin-bottom:.4rem}
.form-grid .row{grid-column:1/-1;margin-bottom:.4rem}
.form-grid .row button{margin-right:.4rem}
@media(max-width:640px){.form-grid{grid-template-columns:1fr}}
.error{color:#cf222e;background:#ffebe9;border:1px solid #ffcece;padding:.5rem .7rem;border-radius:4px;margin-bottom:1rem}
/* 成功提示条 */
.ok{color:#1a7f37;background:#e6f4ea;border:1px solid #a8dab5;padding:.55rem .8rem;border-radius:4px;margin-bottom:1rem;gap:.6rem;align-items:center;flex-wrap:wrap}
.ok .x{margin-left:auto;border:none;background:none;cursor:pointer;color:#57606a;font-size:16px;line-height:1;padding:0 .2rem}
.ok .x:hover{background:#d8ebe0;border-radius:3px}
/* 复制按钮（操作列 / 提示条里共用），按钮文字切换为反馈 */
.copy{padding:.2rem .5rem;font-size:12px;line-height:1.4}
.copy.copied{background:#e6f4ea;color:#1a7f37;border-color:#a8dab5}
/* 凭证值可能很长，允许换行 */
code.tok{overflow-wrap:anywhere}
form input,form select{margin-bottom:.4rem}
/* 带说明的表单项：说明文字在上，控件在下 */
.field{display:flex;flex-direction:column;gap:.2rem;margin-bottom:.4rem}
.field .lbl{font-size:12px;color:#57606a;font-weight:600;line-height:1.35}
.field input,.field select{margin-bottom:0}
/* 复选框项：横排 */
.chk{flex-direction:row!important;align-items:flex-start;gap:.4rem}
.chk input{width:auto;margin:0;flex:none;margin-top:.2rem}
/* 字段说明块 */
.help{background:#fff;border:1px solid #d0d7de;border-left:3px solid #1f6feb;border-radius:6px;padding:.7rem .9rem;margin-bottom:1rem;font-size:13px;line-height:1.7}
.help b{color:#1f2328}
/* 备注列：限制宽度，全文放 title 属性 */
.rm{display:inline-block;max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:bottom}
.nowrap{white-space:nowrap}
.nowrap button{margin-right:.3rem}