/* 功能区下方三行统一布局：功能介绍 / FAQ / 相关工具（与主内容区同宽，不额外收窄） */
.page-seo-blocks {
    width: 100%;
    max-width: none;
    margin: var(--spacing-lg) 0 var(--spacing-xl);
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.page-seo-block {
    background: var(--bg-card, #fff);
    border-radius: var(--radius-lg, 12px);
    padding: var(--spacing-lg, 20px) var(--spacing-xl, 24px);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 0, 0, 0.06);
}

/* 折叠行（功能介绍） */
.page-seo-block__details {
    margin: 0;
}

.page-seo-block__summary {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary, #1e293b);
    list-style: none;
    user-select: none;
    padding: 0;
}

.page-seo-block__summary::-webkit-details-marker {
    display: none;
}

.page-seo-block__summary i:first-child {
    color: var(--primary-color, #6366f1);
    font-size: 1.1rem;
}

.page-seo-block__chev {
    margin-left: auto;
    font-size: 1.1rem;
    color: var(--text-muted, #94a3b8);
    transition: transform 0.2s ease;
}

.page-seo-block__details[open] .page-seo-block__chev {
    transform: rotate(180deg);
}

.page-seo-block__body {
    margin-top: var(--spacing-md, 16px);
    padding-top: var(--spacing-md, 16px);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

/* 常开展示行（FAQ / 相关工具） */
.page-seo-block__head {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary, #1e293b);
    margin: 0 0 var(--spacing-md, 16px);
}

.page-seo-block__head i {
    color: var(--primary-color, #6366f1);
    font-size: 1.1rem;
}

.page-seo-block__head + .page-seo-block__body,
.page-seo-block__head + .page-seo-block__links {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

/* 功能介绍列表 */
.page-seo-intro__list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.page-seo-intro__item {
    display: flex;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid #f1f5f9;
}

.page-seo-intro__item:last-child {
    border-bottom: none;
}

.page-seo-intro__icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: #f0f5ff;
    color: #2563eb;
    font-size: 18px;
}

.page-seo-intro__text strong {
    display: block;
    font-size: 14px;
    color: #1e293b;
    margin-bottom: 4px;
}

.page-seo-intro__text p {
    font-size: 13px;
    line-height: 1.6;
    color: #64748b;
    margin: 0;
}

.page-seo-intro__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.page-seo-intro__tag {
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 999px;
    background: #f8fafc;
    color: #475569;
    border: 1px solid #e2e8f0;
}

/* FAQ 列表 */
.page-seo-faq__list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.page-seo-faq__item {
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    min-width: 0;
}

.page-seo-faq__item:last-child {
    border-bottom: none;
}

.page-seo-faq__q {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 4px;
    margin: 0 -4px;
    border-radius: var(--radius-md, 8px);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    list-style: none;
    user-select: none;
    line-height: 1.5;
    transition: background 0.15s ease, color 0.15s ease;
}

.page-seo-faq__q::-webkit-details-marker {
    display: none;
}

.page-seo-faq__q:hover {
    background: rgba(99, 102, 241, 0.06);
    color: var(--primary-color, #6366f1);
}

.page-seo-faq__chev {
    margin-left: auto;
    flex-shrink: 0;
    font-size: 1.1rem;
    color: var(--text-muted, #94a3b8);
    transition: transform 0.2s ease;
}

.page-seo-faq__item[open] .page-seo-faq__chev {
    transform: rotate(180deg);
}

.page-seo-faq__a {
    padding: 0 4px 12px;
    font-size: 0.85rem;
    line-height: 1.65;
    color: var(--text-secondary, #64748b);
    margin: 0;
}

.page-seo-faq__a a {
    color: var(--primary-color);
}

/* 相关工具 */
.page-seo-links__layout--with-terms {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 24px;
    align-items: stretch;
}

.page-seo-links__layout--with-terms .page-seo-links__col,
.page-seo-links__layout--with-terms .page-seo-terms {
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.page-seo-links__layout--with-terms .page-seo-links__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-seo-links__layout--with-terms .page-seo-links__card {
    background: var(--bg-card, #fff);
    border-color: rgba(0, 0, 0, 0.1);
}

.page-seo-links__layout--with-terms .page-seo-links__card:hover {
    border-color: var(--primary-color, #6366f1);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.12);
}

.page-seo-links__layout--with-terms .page-seo-terms {
    padding: 12px 14px;
    border-radius: var(--radius-md, 8px);
    background: rgba(99, 102, 241, 0.04);
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.page-seo-links__layout--with-terms .page-seo-terms__head i {
    color: #0d9488;
}

.page-seo-links__head {
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0 0 10px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.page-seo-links__head i {
    color: var(--primary-color);
}

.page-seo-links__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
}

.page-seo-links__card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-radius: var(--radius-md, 8px);
    border: 1px solid rgba(0, 0, 0, 0.08);
    background: var(--bg-secondary, #f8fafc);
    text-decoration: none;
    color: var(--text-primary);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.page-seo-links__card:hover {
    border-color: var(--primary-color, #6366f1);
    box-shadow: var(--shadow-sm);
}

.page-seo-links__icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    flex-shrink: 0;
}

.page-seo-links__name {
    flex: 1;
    font-size: 0.9rem;
    font-weight: 500;
}

.page-seo-links__arrow {
    color: var(--text-muted);
    font-size: 1rem;
}

.page-seo-terms__head {
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0 0 10px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.page-seo-terms__head i {
    color: var(--primary-color);
}

.page-seo-terms__chips {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.page-seo-terms__chip-item {
    margin: 0;
}

.page-seo-terms__chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 999px;
    border: 1px solid #e2e8f0;
    background: var(--bg-secondary, #f8fafc);
    text-decoration: none;
    color: var(--text-primary);
    transition: border-color 0.15s, color 0.15s, box-shadow 0.15s;
}

.page-seo-terms__chip:hover {
    border-color: var(--primary-color, #6366f1);
    color: var(--primary-color, #6366f1);
    box-shadow: var(--shadow-sm);
}

.page-seo-links__layout--with-terms .page-seo-terms__chips--rows {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    flex: 1;
}

.page-seo-links__layout--with-terms .page-seo-terms__chip-item {
    display: flex;
    min-width: 0;
}

.page-seo-links__layout--with-terms .page-seo-terms__row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    width: 100%;
    height: 100%;
    padding: 10px 12px;
    border-radius: var(--radius-md, 8px);
    border: 1px dashed rgba(99, 102, 241, 0.22);
    background: rgba(255, 255, 255, 0.55);
    text-decoration: none;
    color: var(--text-primary);
    transition: border-color 0.15s, background 0.15s, color 0.15s;
    box-sizing: border-box;
}

.page-seo-links__layout--with-terms .page-seo-terms__row:hover {
    border-style: solid;
    border-color: rgba(13, 148, 136, 0.45);
    background: rgba(13, 148, 136, 0.06);
    color: var(--text-primary);
    box-shadow: none;
}

.page-seo-links__layout--with-terms .page-seo-terms__name {
    font-size: 0.875rem;
    color: var(--text-secondary, #64748b);
}

.page-seo-links__layout--with-terms .page-seo-terms__row:hover .page-seo-terms__name {
    color: var(--text-primary);
}

.page-seo-links__layout--with-terms .page-seo-terms__badge {
    background: transparent;
    border: 1px solid rgba(13, 148, 136, 0.28);
    color: #0d9488;
}

.page-seo-terms__name {
    font-size: 0.8rem;
    font-weight: 500;
    line-height: 1.4;
}

.page-seo-terms__badge {
    flex-shrink: 0;
    padding: 1px 6px;
    border-radius: 999px;
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
    white-space: nowrap;
}

@media (min-width: 992px) {
    .page-seo-faq__list {
        display: grid;
        grid-template-columns: 1fr 1fr;
        column-gap: var(--spacing-xl, 24px);
    }
}

@media (max-width: 768px) {
    .page-seo-blocks {
        gap: 10px;
    }

    .page-seo-block {
        padding: 16px;
    }

    .page-seo-links__layout--with-terms {
        grid-template-columns: 1fr;
    }

    .page-seo-links__layout--with-terms .page-seo-terms__chips--rows {
        grid-template-columns: 1fr;
    }

    .page-seo-links__grid {
        grid-template-columns: 1fr;
    }
}

/* Excel / WPS 制作步骤 */
.page-seo-howto__lead,
.page-seo-howto__hint,
.page-seo-howto__note,
.page-seo-howto__limit {
    margin: 0 0 12px;
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-secondary, #64748b);
}

.page-seo-howto__lead {
    color: var(--text-primary, #1e293b);
}

.page-seo-howto__steps {
    margin: 0 0 14px;
    padding: 0 0 0 1.2rem;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.page-seo-howto__steps li strong {
    display: block;
    font-size: 0.9rem;
    color: var(--text-primary, #1e293b);
    margin-bottom: 4px;
}

.page-seo-howto__steps li p {
    margin: 0;
    font-size: 0.875rem;
    line-height: 1.65;
    color: var(--text-secondary, #64748b);
}

.page-seo-howto__variant {
    margin: 0 0 12px;
    padding: 10px 12px 10px 14px;
    border-radius: 8px;
    background: var(--bg-secondary, #f8fafc);
    border-left: 3px solid #22c55e;
}

.page-seo-howto__variant strong {
    display: block;
    font-size: 0.85rem;
    color: var(--text-primary, #1e293b);
    margin-bottom: 4px;
}

.page-seo-howto__variant p {
    margin: 0;
    font-size: 0.85rem;
    line-height: 1.65;
    color: var(--text-secondary, #64748b);
}

.page-seo-howto__limit {
    color: #b45309;
}