* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    text-align: center;
}

section {
    margin: 0;
    padding: 0;
    line-height: 0;
}

.exit-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: #243447;
    border: none;
    color: #f00;
    font-weight: bold;
    font-size: 45px;
    line-height: 1;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, color 0.2s;
}

.exit-btn:hover {
    background: #ff4d4d;
    color: #fff;
}

.page {
    position: relative;
    max-width: 720px;
    left: 50%;
    transform: translateX(-50%);
}

.hero {
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    position: absolute;
    width: 95%;
    text-align: center;
    top: 51%;
    font-size: 27px;
    background: url(../image/kuang.png);
    height: 364px;
    padding: 36px 30px 23px 20px;
    border: none;
    line-height: 40px;
    background-size: 100% 100%;
}

.form {
    position: absolute;
    width: 720px;
    text-align: center;
    top: 63%;
}

.form img {
    padding: 20px;
}

.stock-input {
    width: 90%;
    height: 8%;
    border-radius: 1rem;
    border: 2px solid #3ba2bc;
    margin-top: 1rem;
    padding: 1.5rem 2rem;
    text-align: center;
    font-size: 30px;
    background: rgb(238 238 238);
    color: black;
}

.alert-wrap {
    position: fixed;
    inset: 0;
    display: flex;
    z-index: 99999;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.7);
}

.alert-box {
    padding: 30px;
    line-height: 1.5;
    word-break: break-word;
    overflow: auto;
    font-size: 35px;
    color: #fff;
    background: rgba(0, 0, 0, 0.8);
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
    max-width: 750px;
    text-align: center;
    width: 100%;
    box-sizing: border-box;
}

.pulse-btn {
    animation: pulse2 1s linear infinite;
}

@keyframes pulse2 {
    0% {
        transform: scale(0.9);
    }
    50% {
        transform: scale(1);
    }
    100% {
        transform: scale(0.9);
    }
}

.overlay {
    position: fixed;
    display: none;
    inset: 0;
    justify-content: center;
    width: 100vw;
    height: 100vh;
    z-index: 9999;
    align-items: center;
    background: rgba(0, 0, 0, 0.7);
    color: white;
}

.progress-card {
    background: rgb(9, 76, 137);
    border-radius: 12px;
    padding: 32px 18px;
    max-width: 680px;
    margin: 60px auto;
}

.progress-card .card-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
}

.progress-card .label {
    font-size: 30px;
    font-weight: bold;
}

.steps .step {
    margin-bottom: 16px;
}

.step-title {
    font-size: 25px;
}

.line {
    background: #eee;
    border-radius: 8px;
    height: 16px;
}

.bar {
    width: 0%;
    background: #00dcf4;
    height: 100%;
    border-radius: 8px;
}

.result-card {
    position: relative;
    background: rgb(9, 76, 137);
    border-radius: 12px;
    padding: 32px 18px;
    height: inherit;
    margin: 26px auto;
    max-width: 680px;
}

.result-card .card-title {
    margin-bottom: 18px;
}

.result-card .label {
    font-size: 30px;
    font-weight: bold;
}

.result-body .desc {
    font-size: 25px;
    margin-bottom: 18px;
}

.result-body .btn {
    background: #15a223;
    color: #fff;
    padding: 12px 0;
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin: 0 auto;
    font-size: 30px;
}