/* 首页独有的权益、考试步骤和场景；基础图文布局复用 main.css。 */
.bfk-home-product-intro[id],
.bfk-home-devices[id],
.bfk-home-study-panel[id] {
    scroll-margin-top: 110px;
}

.bfk-home-product-image {
    display: block;
    width: 100%;
    max-width: 540px;
    height: auto;
}

.bfk-home-free-points {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 28px;
    margin: 30px 0;
}

.bfk-home-free-points h3 {
    margin-bottom: 8px;
    font-size: 17px;
    line-height: 1.5;
}

.bfk-home-free-points p {
    margin: 0;
    font-size: 15px;
    line-height: 1.8;
}

.bfk-home-resource-note {
    margin: 32px 0 0;
    padding-top: 22px;
    border-top: 1px solid var(--bfk-border);
    font-size: 14px;
    line-height: 1.85;
}

.bfk-home-resource-note a {
    display: inline-block;
    margin-left: 12px;
    color: var(--bfk-primary);
}

.bfk-home-resource-note a:hover {
    text-decoration: underline;
    text-underline-offset: 4px;
}

.bfk-home-resource-note a:focus-visible,
.bfk-home-exam-step a:focus-visible,
.bfk-home-scenario-grid a:focus-visible {
    outline: 2px solid var(--bfk-primary);
    outline-offset: 4px;
}

.bfk-home-exam-flow {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    margin: 28px 0 32px;
}

.bfk-home-exam-step {
    padding-left: 16px;
    border-left: 2px solid var(--bfk-border);
}

.bfk-home-exam-step h3 {
    margin-bottom: 10px;
    font-size: 17px;
    line-height: 1.5;
}

.bfk-home-exam-step a {
    color: var(--bfk-text-primary);
}

.bfk-home-exam-step a:hover {
    color: var(--bfk-primary);
}

.bfk-home-exam-step p {
    margin: 0;
    font-size: 15px;
    line-height: 1.8;
}

.bfk-home-devices {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px 24px;
    margin-top: 32px;
    padding-top: 20px;
    border-top: 1px solid var(--bfk-border);
}

.bfk-home-devices p {
    margin: 0;
    font-size: 15px;
}

.bfk-home-scenario-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.bfk-home-scenario {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 24px;
    padding: 28px;
    border: 1px solid var(--bfk-border);
    border-radius: var(--bfk-radius);
    background: var(--bfk-white);
}

.bfk-home-scenario-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--bfk-radius);
    background: var(--bfk-bg-alt);
    color: var(--bfk-primary);
    font-size: 28px;
}

.bfk-home-scenario h3 {
    margin-bottom: 8px;
    font-size: 22px;
    line-height: 1.5;
}

.bfk-home-scenario p {
    margin: 0;
    font-size: 16px;
    line-height: 1.8;
}

.bfk-home-scenario .bfk-home-scenario-tasks {
    margin-bottom: 12px;
    font-size: 14px;
}

.bfk-home-scenario .bfk-home-detail-link {
    margin-top: 8px;
    padding-bottom: 0;
}

.bfk-home-study-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
}

.bfk-home-study-panel {
    min-width: 0;
    padding: 36px;
    border: 1px solid var(--bfk-border);
    border-radius: var(--bfk-radius);
}

.bfk-home-study-panel > .bfk-section-content {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.bfk-home-study-panel h2 span {
    display: inline-block;
}

.bfk-home-study-panel .bfk-info-image {
    margin-top: auto;
    padding-top: 24px;
}

.bfk-home-study-panel .bfk-home-product-image {
    width: 82%;
    max-width: 400px;
}

@media (max-width: 991px) {
    .bfk-home-study-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .bfk-home-scenario {
        grid-template-columns: minmax(0, 1fr);
        gap: 20px;
    }
}

@media (max-width: 767px) {
    .bfk-home-free-points,
    .bfk-home-exam-flow {
        grid-template-columns: minmax(0, 1fr);
        gap: 20px;
        margin: 24px 0;
    }

    .bfk-home-resource-note,
    .bfk-home-devices {
        margin-top: 20px;
    }

    .bfk-home-resource-note a {
        margin: 8px 0 0;
    }

    .bfk-home-scenario-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 16px;
    }

    .bfk-home-scenario,
    .bfk-home-study-panel {
        padding: 24px;
    }

    .bfk-home-study-grid {
        gap: 24px;
    }
}