:root{--c:#1f3a5f;--t:#1a1a1a;--m:#6b6b6b;--l:#dcdcdc;--bg:#f5f5f5;font-family:-apple-system,"PingFang SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;color:var(--t)}
*{box-sizing:border-box}html,body{margin:0;height:100%}body{background:var(--bg);font-size:15px}
main{max-width:440px;margin:12vh auto 40px;padding:0 20px}main.wide{max-width:1080px;margin-top:32px}
.card{background:#fff;border:1px solid var(--l);border-radius:4px;padding:28px}
h1{font-size:20px;font-weight:600;margin:0 0 20px}h2{font-size:16px;font-weight:600;margin:28px 0 12px}
label{display:block;font-size:14px;margin:14px 0 6px;color:var(--m)}
input,select{width:100%;height:40px;border:1px solid #c8c8c8;border-radius:4px;padding:0 10px;font-size:15px;background:#fff;font-family:inherit}
button{height:40px;padding:0 18px;border-radius:4px;border:1px solid var(--c);background:var(--c);color:#fff;font-size:15px;cursor:pointer;font-family:inherit}
button.ghost{background:#fff;color:var(--c)}button:disabled{opacity:.35;cursor:default}
.full{width:100%;margin-top:16px}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.err{color:#a11;font-size:13px;min-height:18px;margin-top:8px}.muted{color:var(--m);font-size:13px}
ol{padding-left:20px;line-height:1.9;margin:0}
/* 阅片页 */
#reader{display:flex;flex-direction:column;height:100vh;height:100dvh}
#top{height:44px;flex:none;display:flex;align-items:center;justify-content:space-between;padding:0 16px;background:#fff;border-bottom:1px solid var(--l);font-size:14px}
#top button{height:30px;padding:0 12px;font-size:13px}
#body{flex:1;display:flex;min-height:0}
#view{flex:1;position:relative;overflow:hidden;background:#111;cursor:grab;touch-action:none;min-width:0}
#stage{position:absolute;left:0;top:0;transform-origin:0 0}#stage img,#stage svg{position:absolute;left:0;top:0;user-select:none;-webkit-user-drag:none}
.zoom{position:absolute;right:10px;bottom:10px;display:flex;gap:6px}.zoom button{height:30px;width:34px;padding:0;background:#fff;color:var(--t);border-color:#bbb;font-size:15px}
#side{width:300px;flex:none;background:#fff;border-left:1px solid var(--l);padding:16px;overflow-y:auto}
.step{padding-bottom:14px}.step+.step,.ailine+.step{border-top:1px solid var(--l);padding-top:14px}
.step h3{font-size:14px;font-weight:600;margin:0 0 10px}
.seg{display:grid;grid-template-columns:1fr 1fr;gap:8px}.cf{grid-template-columns:repeat(5,minmax(0,1fr));gap:6px}
.seg button{padding:0;min-width:0;background:#fff;color:var(--t);border-color:#c8c8c8}.seg button.on{background:var(--c);color:#fff;border-color:var(--c)}
.lbl{font-size:13px;color:var(--m);margin:12px 0 6px}.ends{display:flex;justify-content:space-between;font-size:12px;color:var(--m);margin-top:4px}
.done{font-size:14px}.done b{font-weight:600}
.ailine{padding:0 0 14px;font-size:14px}.ailine .tg{display:flex;align-items:center;gap:6px;margin-top:8px;color:var(--m);font-size:13px}
.ailine input{width:16px;height:16px;margin:0}
@media (max-width:820px){#body{flex-direction:column}#view{flex:none;height:52vh;height:52dvh}#side{width:auto;border-left:0;border-top:1px solid var(--l);flex:1}}
/* 管理页 */
table{border-collapse:collapse;width:100%;font-size:13px;background:#fff}th,td{border-bottom:1px solid var(--l);padding:8px 10px;text-align:left;white-space:nowrap}th{color:var(--m);font-weight:500;background:#fafafa}
.tw{overflow-x:auto;border:1px solid var(--l)}