body{font-family:system-ui,-apple-system,"PingFang SC",sans-serif;margin:0;background:#fff8e7;color:#222;font-size:19px;line-height:1.55}
header{background:#ff9f1c;color:#fff;padding:10px 16px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
header nav{margin-left:auto}header a{color:#fff;margin-left:12px}
main{max-width:820px;margin:auto;padding:16px}
.card{background:#fff;border-radius:18px;padding:18px 22px;margin:14px 0;box-shadow:0 2px 8px #0001}
.zh{color:#666;font-size:.9em}.step{color:#ff9f1c;font-weight:700}
button,.btn{background:#2ec4b6;color:#fff;border:0;border-radius:14px;padding:14px 22px;font-size:1.05em;cursor:pointer;margin:6px 4px}
button.big{font-size:1.4em;padding:20px 34px;background:#ff6b6b}
.opt{display:block;width:100%;text-align:left;background:#e8f7f6;color:#222}
.opt.ok{background:#b8f2c0}.opt.bad{background:#ffc9c9}
.vid{position:relative;padding-top:56.25%}.vid iframe{position:absolute;inset:0;width:100%;height:100%;border:0;border-radius:12px}
.bar{height:14px;background:#eee;border-radius:7px;overflow:hidden}.bar i{display:block;height:100%;background:#2ec4b6}
table{border-collapse:collapse;width:100%}td,th{border-bottom:1px solid #eee;padding:6px;text-align:left;font-size:.9em}
input[type=number],input[type=text]{font-size:1.1em;padding:8px;border-radius:10px;border:2px solid #ccc;width:200px}
.sheet{display:none}
@media print{.noprint,header,button{display:none!important}body{background:#fff;font-size:14pt}
 #app>*:not(.sheet){display:none}.sheet{display:block}@page{size:A4;margin:16mm}
 .lines div{border-bottom:1px solid #999;height:11mm}}
.lines div{border-bottom:1px solid #bbb;height:36px}

.w{cursor:pointer;border-radius:4px}.w:active{background:#ffe08a}.sen.hl{background:#fff3b0}
.w.bad{color:#d00;font-weight:700;text-decoration:underline}.w.ok{color:#198754}
.pop{display:none;position:fixed;left:50%;bottom:20px;transform:translateX(-50%);background:#fff;border:3px solid #ff9f1c;border-radius:16px;padding:14px 22px;box-shadow:0 4px 16px #0003;z-index:9;min-width:240px;text-align:center}