.qnvoice-page {
    --qnvoice-ink: #172621;
    --qnvoice-muted: #4d6057;
    --qnvoice-accent: #a73820;
    --qnvoice-line: #cad9d2;
    background: #fafcfb;
    color: var(--qnvoice-ink);
}

.qnvoice-page .container {
    max-width: 1120px;
}

.qnvoice-intro {
    padding: 96px 0 36px;
    text-align: center;
}

.qnvoice-icon {
    display: block;
    margin: 0 auto 18px;
    border-radius: 8px;
}

.qnvoice-availability {
    margin: 0 0 8px;
    color: var(--qnvoice-accent);
    font-size: 0.86rem;
    font-weight: 650;
}

.qnvoice-intro h1 {
    margin: 0;
    font-size: 3.6rem;
    line-height: 1.06;
    letter-spacing: 0;
}

.qnvoice-lead {
    max-width: 680px;
    margin: 14px auto 10px;
    font-size: 1.3rem;
    font-weight: 650;
    line-height: 1.4;
    text-wrap: balance;
}

.qnvoice-intro-detail {
    max-width: 615px;
    margin: 0 auto;
    color: var(--qnvoice-muted);
    line-height: 1.65;
}

.qnvoice-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 20px;
    margin-top: 22px;
}

.qnvoice-links a {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    gap: 8px;
    color: var(--qnvoice-ink);
    font-size: 0.88rem;
    font-weight: 650;
    text-decoration: none;
}

.qnvoice-links .qnvoice-guide-link {
    padding: 0 15px;
    border-radius: 6px;
    background: var(--qnvoice-ink);
    color: #fff;
}

.qnvoice-links a:hover {
    text-decoration: underline;
}

.qnvoice-links a:focus-visible {
    outline: 2px solid var(--qnvoice-accent);
    outline-offset: 4px;
}

.qnvoice-preview,
.qnvoice-details {
    padding: 40px 0 52px;
    border-block: 1px solid var(--qnvoice-line);
    background: #eaf2ee;
}

.qnvoice-page h2 {
    margin: 0 0 22px;
    font-size: 1.8rem;
    line-height: 1.2;
    letter-spacing: 0;
}

.qnvoice-screens {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.qnvoice-screens figure {
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
}

.qnvoice-screens img {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid var(--qnvoice-line);
    border-radius: 8px;
}

.qnvoice-screens figcaption {
    margin-top: 13px;
    color: var(--qnvoice-muted);
    font-size: 0.9rem;
    line-height: 1.55;
}

.qnvoice-screens figcaption strong {
    display: block;
    margin-bottom: 4px;
    color: var(--qnvoice-ink);
}

.qnvoice-features {
    padding: 48px 0;
}

.qnvoice-feature-list {
    margin: 0;
    border-bottom: 1px solid var(--qnvoice-line);
}

.qnvoice-feature-list > div {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.8fr);
    gap: 24px;
    padding: 17px 0;
    border-top: 1px solid var(--qnvoice-line);
}

.qnvoice-feature-list dt {
    font-weight: 680;
}

.qnvoice-feature-list dt i {
    margin-right: 8px;
    color: var(--qnvoice-accent);
}

.qnvoice-feature-list dd {
    margin: 0;
    color: var(--qnvoice-muted);
    line-height: 1.65;
}

.qnvoice-feature-list a {
    color: var(--qnvoice-accent);
    text-decoration: underline;
}

@media (max-width: 640px) {
    .qnvoice-intro {
        padding: 88px 0 28px;
    }

    .qnvoice-intro h1 {
        font-size: 2.75rem;
    }

    .qnvoice-page h2 {
        font-size: 1.55rem;
    }

    .qnvoice-screens,
    .qnvoice-feature-list > div {
        grid-template-columns: minmax(0, 1fr);
    }

    .qnvoice-feature-list > div {
        gap: 6px;
    }
}