.bsc-tech-app {
    max-width: 680px;
    margin: 20px auto;
    padding: 16px;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: #1d2622;
}
.bsc-tech-header {
    background: #123f32;
    color: #fff;
    padding: 18px;
    border-radius: 16px;
    text-align: center;
    margin-bottom: 16px;
}
.bsc-tech-header h1 {
    margin: 0;
    font-size: 26px;
    letter-spacing: .03em;
    text-transform: uppercase;
}
.bsc-tech-header p {
    margin: 5px 0 0;
    color: #efe2bd;
}
.bsc-tech-card,
.bsc-tech-selector {
    background: #fffdf5;
    border: 1px solid #d7c9a0;
    border-radius: 16px;
    padding: 18px;
    margin-bottom: 16px;
    box-shadow: 0 2px 10px rgba(0,0,0,.06);
}
.bsc-tech-card h2 {
    margin-top: 0;
    color: #123f32;
}
.bsc-tech-form label,
.bsc-tech-selector label {
    display: block;
    font-weight: 700;
    margin: 14px 0 6px;
}
.bsc-tech-form input,
.bsc-tech-form select,
.bsc-tech-form textarea,
.bsc-tech-selector select {
    width: 100%;
    box-sizing: border-box;
    padding: 14px;
    border: 1px solid #b8b0a0;
    border-radius: 10px;
    background: #fff;
    font-size: 17px;
}
.bsc-tech-form textarea {
    min-height: 150px;
}
.bsc-tech-form button {
    width: 100%;
    margin-top: 18px;
    background: #123f32;
    color: #fff;
    border: 0;
    border-radius: 12px;
    padding: 16px;
    font-weight: 800;
    font-size: 18px;
    cursor: pointer;
}
.bsc-tech-help {
    margin: 6px 0 0;
    color: #6b6454;
    font-size: 14px;
}
.bsc-tech-notice {
    background: #e7f4ec;
    color: #123f32;
    border: 1px solid #79a987;
    border-radius: 12px;
    padding: 13px;
    margin-bottom: 16px;
    font-weight: 700;
}
@media (max-width: 640px) {
    .bsc-tech-app {
        margin: 0;
        padding: 10px;
    }
    .bsc-tech-header,
    .bsc-tech-card,
    .bsc-tech-selector {
        border-radius: 12px;
    }
}