* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Microsoft YaHei', Arial, sans-serif;
}

body {
    background-color: #000;
    color: #fff;
    padding: 10px;
    line-height: 1.2;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: #ff0;
    border: 5px solid #000;
    padding: 15px;
}

.header {
    background-color: #ff0;
    padding: 10px;
    text-align: center;
    margin-bottom: 15px;
    border: 3px solid #000;
}

.title {
    font-size: 36px;
    font-weight: 900;
    color: #000;
    text-shadow: 3px 3px 0 #f00;
    letter-spacing: 2px;
    margin-bottom: 5px;
}

.subtitle {
    font-size: 24px;
    font-weight: 900;
    color: #000;
    background-color: #f00;
    padding: 5px;
    display: inline-block;
    margin-bottom: 5px;
}

.section {
    background-color: #fff;
    border: 3px solid #000;
    margin-bottom: 15px;
    padding: 15px;
}

.section-title {
    font-size: 24px;
    font-weight: 900;
    color: #fff;
    background-color: #00f;
    padding: 5px 10px;
    margin-bottom: 10px;
    display: inline-block;
}

.button-group {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 20px;
    border: 3px solid #000;
    font-size: 20px;
    font-weight: 900;
    cursor: pointer;
    text-align: center;
    flex: 1;
    min-width: 150px;
}

.btn-primary {
    background-color: #00f;
    color: #fff;
}

.btn-secondary {
    background-color: #f00;
    color: #fff;
}

.btn-outline {
    background-color: #fff;
    color: #000;
}

.input-group {
    margin-bottom: 15px;
}

.input-label {
    font-size: 20px;
    font-weight: 900;
    color: #000;
    margin-bottom: 5px;
    display: block;
}

input {
    width: 100%;
    padding: 12px;
    border: 3px solid #000;
    font-size: 20px;
    font-weight: 900;
    background-color: #fff;
    color: #000;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: 15px;
}

.stat-card {
    background-color: #fff;
    border: 3px solid #000;
    padding: 10px;
    text-align: center;
}

.stat-value {
    font-size: 24px;
    font-weight: 900;
    color: #f00;
    margin: 5px 0;
}

.stat-label {
    font-size: 16px;
    font-weight: 900;
    color: #000;
    background-color: #ff0;
    padding: 3px;
}

.info-box {
    background-color: #fff;
    border: 3px solid #000;
    padding: 10px;
    margin-top: 15px;
}

.info-text {
    font-size: 16px;
    font-weight: 900;
    color: #000;
    line-height: 1.3;
}

.footer {
    text-align: center;
    margin-top: 15px;
    padding: 10px;
    background-color: #f00;
    color: #fff;
    font-weight: 900;
    font-size: 18px;
    border: 3px solid #000;
}

.wallet-info {
    background-color: #00f;
    color: #fff;
    padding: 10px;
    margin-top: 10px;
    border: 3px solid #000;
    font-weight: 900;
}

@media (max-width: 600px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .btn {
        min-width: 100%;
    }
}