.page-hero {
    padding: 56px 0 44px;
    background: linear-gradient(165deg, #FFFFFF 0%, var(--primary-bg) 100%);
    border-bottom: 1px solid var(--gray-200);
    text-align: center;
}
.page-hero h1 {
    font-size: 2.6rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--gray-900);
    line-height: 1.25;
    margin-bottom: 12px;
}
.page-hero p {
    color: var(--gray-600);
    font-size: 1.1rem;
    max-width: 620px;
    margin: 0 auto;
}

.filter-bar {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 28px;
}
.filter-chip {
    padding: 8px 20px;
    border-radius: 60px;
    border: 1px solid var(--gray-200);
    background: #fff;
    color: var(--gray-600);
    font-family: var(--font);
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}
.filter-chip:hover {
    border-color: var(--primary-light);
    color: var(--primary);
    background: var(--primary-bg);
}
.filter-chip.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.article-meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.8rem;
    color: var(--gray-400);
    align-items: center;
}

.list-foot {
    text-align: center;
    color: var(--gray-400);
    font-size: 0.9rem;
    margin-top: 32px;
}
.empty-tip {
    text-align: center;
    padding: 60px 0;
    color: var(--gray-600);
    display: none;
}
.empty-tip.show { display: block; }

.articles-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 344px;
    gap: 40px;
    padding: 32px 0 56px;
    align-items: start;
}

.article-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.article-row {
    padding: 24px 28px;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: var(--transition);
}
.article-row:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-light);
}
.row-body {
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.row-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.5;
    letter-spacing: -0.01em;
    color: var(--gray-900);
    margin-bottom: 8px;
    transition: var(--transition);
}
.article-row:hover .row-body h3 {
    color: var(--primary);
}
.row-body .excerpt {
    font-size: 0.92rem;
    color: var(--gray-600);
    margin-bottom: 14px;
}

.article-sidebar {
    position: sticky;
    top: 96px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.side-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 14px;
    padding: 22px 22px 6px;
    box-shadow: var(--shadow);
}
.side-card .side-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    font-weight: 700;
    color: var(--gray-900);
}
.side-card .side-sub {
    font-size: 0.82rem;
    color: var(--gray-600);
    margin: 4px 0 6px;
}
.rec-product {
    display: block;
    padding: 16px 0;
    border-top: 1px dashed var(--gray-200);
    cursor: pointer;
    transition: var(--transition);
}
.rec-product:first-of-type {
    border-top: none;
    padding-top: 10px;
}
.rec-product:hover { transform: translateX(3px); }
.rec-name {
    font-weight: 600;
    font-size: 0.94rem;
    color: var(--gray-900);
    line-height: 1.4;
    margin-bottom: 4px;
    transition: var(--transition);
}
.rec-product:hover .rec-name { color: var(--primary); }
.rec-desc {
    font-size: 0.8rem;
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 8px;
}
.rec-price {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary);
}

.side-card.side-note {
    padding: 20px;
    background: linear-gradient(160deg, var(--primary-bg), #fff);
    border-color: var(--primary-light);
}
.side-note h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 6px;
}
.side-note p {
    font-size: 0.83rem;
    color: var(--gray-600);
    margin-bottom: 14px;
    line-height: 1.6;
}
.side-note .btn-outline {
    padding: 8px 20px;
    font-size: 0.84rem;
}

.detail-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 344px;
    gap: 40px;
    align-items: start;
    padding: 32px 0 56px;
}
.detail-main {
    min-width: 0;
}

.breadcrumb {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
    font-size: 0.85rem;
    color: var(--gray-600);
    padding: 28px 0 0;
}
.breadcrumb a { transition: var(--transition); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--gray-300); }
.breadcrumb .cur {
    color: var(--gray-900);
    max-width: 320px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.article-header {
    padding: 22px 0 30px;
    border-bottom: 1px solid var(--gray-200);
}
.article-header h1 {
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1.32;
    letter-spacing: -0.025em;
    color: var(--gray-900);
    margin-bottom: 18px;
}
.article-info {
    display: flex;
    flex-wrap: wrap;
    gap: 22px;
    font-size: 0.88rem;
    color: var(--gray-600);
}

.article-hero-cover {
    height: 240px;
    border-radius: 16px;
    margin: 32px 0 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    background: linear-gradient(135deg, var(--primary-bg), var(--primary-light));
}

.article-content {
    font-size: 1.05rem;
    line-height: 1.95;
    color: var(--gray-700);
    padding-top: 24px;
}
.article-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--gray-900);
    margin: 40px 0 14px;
}
.article-content h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 28px 0 10px;
}
.article-content p { margin-bottom: 16px; }
.article-content strong { color: var(--gray-900); font-weight: 600; }
.article-content ul { margin: 0 0 18px; }
.article-content ul li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 8px;
}
.article-content ul li::before {
    content: "";
    position: absolute;
    left: 7px;
    top: 13px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
}

.tip-box {
    background: var(--primary-bg);
    border-left: 4px solid var(--primary);
    padding: 16px 20px;
    border-radius: 0 10px 10px 0;
    margin: 24px 0;
    font-size: 0.98rem;
    color: var(--gray-700);
}
.tip-box.warn-box {
    background: #FFFBEB;
    border-left-color: #F59E0B;
}

.article-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 36px;
}
.art-tag {
    font-size: 0.82rem;
    color: var(--gray-600);
    background: var(--gray-100);
    padding: 6px 14px;
    border-radius: 40px;
}


.post-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid var(--gray-200);
}
.post-nav a {
    display: block;
    padding: 18px 22px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    transition: var(--transition);
    background: #fff;
}
.post-nav a:hover {
    border-color: var(--primary);
    background: var(--primary-bg);
}
.post-nav .label {
    font-size: 0.78rem;
    color: var(--gray-600);
    margin-bottom: 4px;
}
.post-nav .title {
    font-weight: 600;
    color: var(--gray-900);
    font-size: 0.95rem;
    line-height: 1.5;
}
.post-nav .next { text-align: right; }
.post-nav .next .label { text-align: right; }
.post-nav .disabled {
    opacity: 0.45;
    pointer-events: none;
    cursor: default;
}

.back-bar {
    margin-top: 40px;
}


@media (max-width: 992px) {
    .articles-layout { grid-template-columns: 1fr; gap: 32px; }
    .detail-layout { grid-template-columns: 1fr; gap: 32px; padding-bottom: 64px; }
    .article-sidebar { position: static; }

    .article-header h1 { font-size: 1.9rem; }
}

@media (max-width: 640px) {
    .page-hero { padding: 32px 0 24px; }
    .page-hero h1 { font-size: 1.65rem; }
    .page-hero p { font-size: 0.93rem; line-height: 1.6; }
    .badge-safe { font-size: 0.75rem; padding: 3px 12px; }

    .filter-bar {
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        gap: 8px;
        margin: 22px -16px 0;
        padding: 0 16px 4px;
    }
    .filter-bar::-webkit-scrollbar { display: none; }
    .filter-chip {
        flex-shrink: 0;
        padding: 7px 16px;
        font-size: 0.84rem;
    }

    .articles-layout,
    .detail-layout {
        gap: 24px;
    }

    .article-list { gap: 12px; }
    .article-row {
        padding: 18px 18px 16px;
        border-radius: 12px;
    }
    .article-row:hover {
        transform: none;
        box-shadow: var(--shadow);
        border-color: var(--gray-200);
    }
    .article-row:active {
        background: var(--gray-50);
        border-color: var(--primary-light);
    }
    .row-body h3 {
        font-size: 0.98rem;
        line-height: 1.5;
        margin-bottom: 6px;
    }
    .row-body .excerpt {
        font-size: 0.86rem;
        line-height: 1.6;
        margin-bottom: 10px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .article-meta {
        gap: 12px;
        font-size: 0.74rem;
    }

    .side-card {
        padding: 18px 18px 4px;
        border-radius: 12px;
    }
    .side-card .side-title { font-size: 0.95rem; }
    .rec-product { padding: 14px 0; }
    .rec-product:hover { transform: none; }
    .rec-name { font-size: 0.92rem; }
    .rec-desc { font-size: 0.78rem; }
    .rec-price { font-size: 0.88rem; }
    .side-note { padding: 18px !important; }
    .side-note .btn-outline { width: 100%; }

    .breadcrumb {
        font-size: 0.78rem;
        padding: 18px 0 0;
        gap: 6px;
    }
    .breadcrumb .cur { max-width: 160px; }
    .article-header { padding: 16px 0 22px; }
    .article-header h1 {
        font-size: 1.4rem;
        line-height: 1.4;
        margin-bottom: 14px;
    }
    .article-info {
        gap: 14px;
        font-size: 0.78rem;
    }
    .article-hero-cover {
        height: 140px;
        font-size: 2.6rem;
        margin: 20px 0 0;
        border-radius: 12px;
    }
    .article-content {
        font-size: 0.98rem;
        line-height: 1.85;
        padding-top: 20px;
    }
    .article-content h2 {
        font-size: 1.18rem;
        margin: 28px 0 12px;
    }
    .article-content h3 {
        font-size: 1.02rem;
        margin: 22px 0 8px;
    }
    .article-content p { margin-bottom: 14px; }
    .article-content ul li {
        padding-left: 20px;
        margin-bottom: 6px;
    }
    .article-content ul li::before { top: 11px; }
    .tip-box {
        padding: 14px 16px;
        font-size: 0.88rem;
        line-height: 1.7;
        margin: 18px 0;
        border-radius: 0 8px 8px 0;
    }
    .article-tags { margin-top: 28px; gap: 8px; }
    .art-tag { font-size: 0.76rem; padding: 5px 12px; }

    .back-bar { margin-top: 24px; }
    .back-bar .btn-outline { width: 100%; }

    .detail-layout { padding-bottom: 48px; }
}