.qimen-intro {
    background: #f8fafc; /* light soft background */
    padding: 10px 10px;
    font-family: "Segoe UI", Roboto, Arial, sans-serif;
}

.qimen-container {
    margin: auto;
    background: #ffffff;
    padding: 10px;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.06);
}

/* ===== Title ===== */

.qimen-title {
    font-size: 20px;
    font-weight: 3500;
    color: #1f2937;
    text-align: center;
    margin-bottom: 15px;
}

/* ===== Lead Text ===== */

.qimen-lead {
    font-size: 20px;
    color: #374151;
    text-align: center;
    line-height: 1.7;
    margin-bottom: 10px;
}

/* ===== Paragraph ===== */

.qimen-container p {
    font-size: 17px;
    color: #4b5563;
    line-height: 1.8;
    margin-bottom: 20px;
}

/* ===== Benefits List ===== */

.qimen-benefits {
    margin: 10px 0;
    padding-left: 0;
    list-style: none;
}

    .qimen-benefits li {
        font-size: 15px;
        padding: 2px 0;
        color: #111827;
        border-bottom: 1px solid #f1f5f9;
    }

/* ===== Highlight ===== */

.qimen-highlight {
    font-size: 18px;
    font-weight: 600;
    color: #2563eb;
    text-align: center;
    margin-top: 30px;
}

/* ===== Button ===== */

.qimen-btn {
    display: block;
    width: 260px;
    margin: 40px auto 0;
    padding: 14px 25px;
    text-align: center;
    background: #2563eb;
    color: #ffffff;
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.25s ease;
}

    .qimen-btn:hover {
        background: #1d4ed8;
        transform: translateY(-2px);
        box-shadow: 0 6px 16px rgba(37,99,235,0.25);
    }

/* ===== Mobile ===== */

@media (max-width: 768px) {

    .qimen-container {
        padding: 30px 20px;
    }

    .qimen-title {
        font-size: 20px;
        font-weight: 300;
    }

    .qimen-lead {
        font-size: 15px;
    }
}