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

body {
    font-family: system-ui, -apple-system, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    padding: 20px;
}

.c {
    max-width: 600px;
    width: 100%;
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 24px;
    padding: 48px 40px;
    box-shadow: 0 25px 65px rgba(0, 0, 0, 0.35);
    text-align: center;
}

.logo {
    max-width: 180px;
    margin: 0 auto 25px;
    filter: drop-shadow(0 6px 18px rgba(0, 0, 0, 0.35));
}

.logo img {
    width: 100%;
    height: auto;
    display: block;
}

h1 {
    font-size: 30px;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.st {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.78);
    margin-bottom: 32px;
    line-height: 1.5;
}

.b {
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    padding: 24px 20px;
    margin-bottom: 32px;
    text-align: left;
}

.d {
    margin: 14px 0;
    padding: 14px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.l {
    font-size: 12px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 1.2px;
}

.v {
    font-size: 16px;
    color: #fff;
    font-weight: 500;
}

.f {
    margin-top: 30px;
    text-align: center;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.55);
    font-size: 12px;
    line-height: 1.5;
}

.f strong {
    color: #fff;
    font-weight: 600;
}

@media (max-width: 600px) {
    .c {
        padding: 36px 24px;
    }

    .b {
        padding: 20px;
    }

    .d {
        padding: 12px;
    }
}