body { font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; background: #f2f4f8; margin: 0; color: #222; }
.shell { max-width: 430px; margin: 0 auto; padding: 24px 16px; box-sizing: border-box; }
.logo { font-size: 26px; text-align: center; margin: 12px 0 4px; }
.tip { text-align: center; color: #777; font-size: 14px; margin: 0 0 20px; }
.card { background: #fff; border-radius: 14px; padding: 18px; box-shadow: 0 1px 6px rgba(0,0,0,.07); }
input[type=text] { width: 100%; box-sizing: border-box; padding: 12px; margin-bottom: 12px; border: 1px solid #d9dee6; border-radius: 10px; font-size: 16px; }
button { display: block; width: 100%; background: #2f6fed; color: #fff; border: none; padding: 12px; border-radius: 10px; font-size: 16px; cursor: pointer; }
.row { display: flex; gap: 10px; padding: 10px 0; border-bottom: 1px dashed #eee; font-size: 15px; word-break: break-all; }
.lab { color: #999; flex-shrink: 0; width: 42px; }
.acc { background: #f7f9fc; border-radius: 10px; padding: 4px 12px; margin: 12px 0; }
.hidden { display: none; }
.muted { color: #aaa; font-size: 13px; }
.again { display: block; text-align: center; margin-top: 12px; color: #2f6fed; text-decoration: none; font-size: 14px; }
.msg { padding: 10px 12px; border-radius: 10px; font-size: 14px; }
.msg.err { background: #fdecea; color: #b3261e; }