.container {
    width: 480px;
    min-height: 100vh;
    padding: 18px;
    box-sizing: border-box;
    background: #f6f7f8;
}

.intro-card,
.proof-list {
    background: #fff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}

.intro-kicker {
    color: #1296db;
    font-size: 14px;
    font-weight: 700;
}

h1 {
    margin: 10px 0 16px;
    font-size: 24px;
    line-height: 1.35;
    text-align: center;
    color: #222;
}

p {
    margin: 0 0 14px;
    font-size: 15px;
    line-height: 1.8;
    color: #444;
}

.proof-list {
    margin-top: 14px;
}

.proof-item {
    padding: 10px 0;
    font-size: 15px;
    line-height: 1.6;
    color: #333;
    border-bottom: 1px solid #f0f1f2;
}

.proof-item:last-child {
    border-bottom: 0;
}