* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
    background: linear-gradient(180deg, #e8f3fb 0%, #f7f9fb 40%, #ffffff 100%);
    color: #222;
    min-height: 100vh;
}
.wrap {
    max-width: 480px;
    margin: 0 auto;
    padding: 28px 20px 40px;
}
.brand {
    font-size: 26px;
    font-weight: 700;
    color: #0b5ea8;
    letter-spacing: 1px;
    margin-bottom: 8px;
}
.sub {
    font-size: 16px;
    color: #555;
    line-height: 1.5;
    margin-bottom: 24px;
}
.msg {
    font-size: 18px;
    color: #b42318;
    margin: 12px 0 18px;
}
.pow-box {
    padding: 28px 16px;
    background: #fff;
    border-radius: 12px;
    border: 1px solid #d7e3ee;
    text-align: center;
}
.pow-box .t { font-size: 20px; margin-bottom: 12px; }
.bar {
    height: 12px;
    background: #e6eef5;
    border-radius: 8px;
    overflow: hidden;
}
.bar > span {
    display: block;
    height: 100%;
    width: 10%;
    background: #0b5ea8;
    transition: width .2s;
}
.pow-msg {
    color: #555;
    font-size: 15px;
    margin-top: 16px;
}