:root {
    --primary-color: #2563eb;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-main: #1e293b;
    --text-sub: #64748b;
    --border-color: #e2e8f0;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
}

.btn-primary,
.btn-secondary,
.text-link {
    text-decoration: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background-color: #1e293b;
    color: white;
    padding: 2rem 0;
    margin-bottom: 2rem;
}

header h1 a {
    color: white;
    text-decoration: none;
    font-size: 2.5rem;
    font-weight: 800;
}

header p {
    opacity: 0.8;
    margin-top: 0.5rem;
}

.home-main {
    display: block;
}

.home-hero {
    padding: 0 0 2.5rem;
}

.home-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.9fr);
    gap: 1.5rem;
    align-items: stretch;
}

.home-hero-copy,
.home-stats-panel,
.route-card,
.action-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 18px;
}

.home-hero-copy {
    padding: 2rem;
    background:
        radial-gradient(circle at top right, rgba(37, 99, 235, 0.12), transparent 32%),
        linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.home-eyebrow,
.section-kicker,
.route-tag,
.action-tag,
.featured-label {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.24rem 0.6rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.08);
}

.home-hero-copy h2 {
    margin-top: 1rem;
    font-size: clamp(2rem, 3vw, 3.3rem);
    line-height: 1.05;
    letter-spacing: -0.03em;
    color: #0f172a;
}

.home-lead {
    margin-top: 1rem;
    max-width: 42rem;
    font-size: 1.02rem;
    color: #475569;
}

.home-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-top: 1.5rem;
}

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0.7rem 1.2rem;
    border-radius: 999px;
    font-weight: 800;
    transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-1px);
}

.btn-secondary {
    background: white;
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-1px);
}

.text-link {
    color: var(--primary-color);
    font-weight: 700;
}

.text-link:hover {
    text-decoration: underline;
}

.home-stats-panel {
    padding: 1.4rem;
    background: #0f172a;
    color: white;
}

.home-stats-panel h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
}

.home-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.9rem;
}

.stat-card {
    padding: 0.95rem;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.stat-label {
    display: block;
    font-size: 0.76rem;
    color: rgba(255, 255, 255, 0.75);
}

.stat-card strong {
    display: block;
    margin-top: 0.25rem;
    font-size: 1.4rem;
}

.home-routes,
.home-featured,
.home-actions,
.home-guides {
    padding: 1rem 0 2.8rem;
}

.section-heading {
    margin-bottom: 1.35rem;
}

.section-heading h2 {
    font-size: 1.8rem;
    line-height: 1.15;
    margin-top: 0.65rem;
}

.section-heading p {
    margin-top: 0.45rem;
    color: var(--text-sub);
    max-width: 48rem;
}

.section-heading-inline {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: flex-end;
}

.section-heading.compact h2 {
    font-size: 1.4rem;
}

.route-grid,
.featured-product-grid,
.action-strip,
.home-guides-grid {
    display: grid;
    gap: 1rem;
}

.route-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.route-card {
    padding: 1.25rem;
    color: inherit;
    transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.route-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-color);
    box-shadow: 0 14px 24px rgba(15, 23, 42, 0.08);
}

.route-card h3 {
    margin-top: 0.9rem;
    font-size: 1.15rem;
}

.route-card p {
    margin-top: 0.55rem;
    color: var(--text-sub);
    font-size: 0.92rem;
}

.route-llm { background: linear-gradient(180deg, #ffffff 0%, #f4f9ff 100%); }
.route-work { background: linear-gradient(180deg, #ffffff 0%, #f8fbf6 100%); }
.route-budget { background: linear-gradient(180deg, #ffffff 0%, #fffbf4 100%); }
.route-expand { background: linear-gradient(180deg, #ffffff 0%, #f8f6ff 100%); }

.featured-product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.featured-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 18px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.featured-card-image {
    aspect-ratio: 16 / 10;
    background: linear-gradient(180deg, #f8fafc 0%, #eef5ff 100%);
    display: grid;
    place-items: center;
    padding: 1rem;
}

.featured-card-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.featured-card-body {
    padding: 1.2rem;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    height: 100%;
}

.featured-card-header {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    align-items: flex-start;
}

.featured-brand {
    font-size: 0.82rem;
    color: var(--primary-color);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.featured-price {
    color: #e11d48;
    font-weight: 900;
    white-space: nowrap;
}

.featured-model {
    font-size: 1.02rem;
    line-height: 1.35;
}

.featured-reason {
    font-size: 0.9rem;
    color: var(--text-sub);
}

.featured-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.featured-meta span {
    font-size: 0.78rem;
    border-radius: 999px;
    background: #f8fafc;
    border: 1px solid var(--border-color);
    padding: 0.2rem 0.55rem;
}

.action-strip {
    grid-template-columns: 1fr 1fr;
}

.action-card {
    padding: 1.4rem;
}

.action-card h3 {
    margin-top: 0.85rem;
    font-size: 1.25rem;
}

.action-card p {
    margin: 0.6rem 0 1rem;
    color: var(--text-sub);
}

.home-guides-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
}

.guide-list {
    display: grid;
    gap: 0.8rem;
}

.guide-item {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 1rem 1.05rem;
}

.guide-item a {
    color: #0f172a;
    text-decoration: none;
    font-weight: 700;
}

.guide-item a:hover {
    color: var(--primary-color);
}

.guide-summary {
    margin-top: 0.4rem;
    font-size: 0.9rem;
    color: var(--text-sub);
}

.guide-meta {
    margin-top: 0.55rem;
    font-size: 0.75rem;
    color: var(--text-sub);
}

.admin-view-toggle {
    margin-top: 0.9rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    align-items: center;
}

.admin-view-status {
    font-size: 0.9rem;
    font-weight: 700;
    color: #dbeafe;
}

.admin-view-button {
    appearance: none;
    border: 1px solid rgba(255, 255, 255, 0.28);
    background: rgba(255, 255, 255, 0.08);
    color: white;
    border-radius: 9999px;
    padding: 0.45rem 0.85rem;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
}

.admin-view-button:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.16);
    border-color: rgba(255, 255, 255, 0.45);
}

.admin-view-button:disabled {
    opacity: 0.45;
    cursor: default;
}

/* Featured Brands */
#featured-brands {
    margin-top: 4rem;
    padding-top: 2rem;
    margin-bottom: 4rem;
}

#featured-brands hr {
    border: 0;
    border-top: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

#featured-brands h2 {
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    color: var(--text-sub);
    text-align: center;
}

.brand-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
}

.brand-card {
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1rem;
    transition: all 0.2s;
}

.brand-card:hover {
    background: #fff;
    border-color: var(--primary-color);
}

.brand-name {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-status {
    font-size: 0.65rem;
    padding: 0.1rem 0.4rem;
    border-radius: 3px;
}

.status-active {
    background: #dcfce7;
    color: #166534;
}

.status-none {
    background: #fee2e2;
    color: #991b1b;
}

.status-unknown {
    background: #e2e8f0;
    color: #475569;
}

.brand-country {
    font-size: 0.7rem;
}

.brand-ai-strength {
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
}

.brand-desc {
    font-size: 0.8rem;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.brand-models {
    font-size: 0.7rem;
    border-top: 1px dashed var(--border-color);
    padding-top: 0.5rem;
}

/* Layout */
main.container {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 2rem;
    align-items: start;
}

/* Sidebar */
#sidebar {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    position: sticky;
    top: 20px;
}

.filter-group {
    margin-bottom: 1.5rem;
}

.filter-group h3 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    border-bottom: 2px solid var(--bg-color);
    padding-bottom: 0.5rem;
}

.filter-group label {
    display: block;
    margin-bottom: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
}

.filter-options {
    display: grid;
    gap: 0.45rem;
    max-height: 240px;
    overflow-y: auto;
    padding-right: 0.2rem;
}

.filter-option-meta {
    color: var(--text-sub);
    font-size: 0.75rem;
    margin-left: 0.35rem;
}

.article-item {
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--bg-color);
}

.article-item a {
    text-decoration: none;
    color: var(--text-main);
    font-size: 0.85rem;
    font-weight: 500;
    line-height: 1.4;
    display: block;
}

.article-item a:hover {
    color: var(--primary-color);
}

.loading,
.error {
    color: var(--text-sub);
    font-size: 0.92rem;
}

/* Product List */
#product-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
}

.pc-card {
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.pc-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border-color: var(--primary-color);
}

.brand-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.brand {
    font-size: 0.85rem;
    color: var(--primary-color);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.model {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    line-height: 1.2;
    color: #0f172a;
}

/* Badges */
.ai-badge {
    font-size: 0.75rem;
    padding: 0.3rem 0.75rem;
    border-radius: 9999px;
    margin-bottom: 1.25rem;
    display: inline-block;
    font-weight: 700;
}

.badge-s { background: #fef3c7; color: #92400e; border: 1px solid #f59e0b; }
.badge-a { background: #dcfce7; color: #166534; border: 1px solid #22c55e; }
.badge-entry { background: #f1f5f9; color: #475569; border: 1px solid #cbd5e1; }
.badge-standard { background: #eff6ff; color: #1e40af; border: 1px solid #3b82f6; }

.stock-badge {
    font-size: 0.7rem;
    font-weight: 600;
}
.in_stock { color: #059669; }
.out_of_stock { color: #dc2626; }

/* Specs Grid */
.specs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem 0.75rem;
    margin-bottom: 1.25rem;
    background: #f8fafc;
    padding: 0.85rem;
    border-radius: 8px;
    border: 1px solid #f1f5f9;
}

.spec-node {
    display: flex;
    flex-direction: column;
    padding: 0.25rem 0;
}

.spec-node.full-width {
    grid-column: 1 / -1;
    border-bottom: 1px solid #e2e8f0;
    margin-bottom: 0.25rem;
    padding-bottom: 0.5rem;
}

.spec-node .label {
    font-size: 0.6rem;
    color: var(--text-sub);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.spec-node .value {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.3;
}

.pc-notes {
    font-size: 0.75rem;
    color: var(--text-sub);
    background: #fffbeb;
    padding: 0.6rem 0.85rem;
    border-radius: 6px;
    border-left: 3px solid #f59e0b;
    margin-bottom: 1.25rem;
    line-height: 1.4;
}

.pc-notes .label {
    font-weight: 800;
    color: #92400e;
    margin-right: 0.25rem;
}

/* Price Box */
.price-box {
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.original-price {
    font-size: 0.85rem;
    color: var(--text-sub);
    text-decoration: line-through;
}

.effective-price {
    font-size: 1.8rem;
    font-weight: 900;
    color: #e11d48;
    display: flex;
    align-items: baseline;
    gap: 0.2rem;
}

.effective-price .currency {
    font-size: 1rem;
}

.price-note {
    font-size: 0.7rem;
    color: var(--text-sub);
    font-weight: normal;
}

.btn-amazon {
    display: block;
    background-color: #fbbf24;
    color: #000;
    text-align: center;
    padding: 0.85rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 800;
    margin-top: 1rem;
    transition: background-color 0.2s;
}

.btn-amazon:hover {
    background-color: #f59e0b;
}

/* Footer */
footer {
    margin-top: 4rem;
    padding: 3rem 0;
    background: #f1f5f9;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-sub);
}

.disclaimer {
    margin-top: 1rem;
    font-size: 0.7rem;
}

/* Responsive */
@media (max-width: 768px) {
    main.container {
        grid-template-columns: 1fr;
    }
    #sidebar {
        position: static;
    }
    .admin-view-toggle {
        flex-direction: column;
        align-items: flex-start;
    }
    .home-hero-copy {
        padding: 1.45rem;
    }
    .home-hero-copy h2 {
        font-size: 2rem;
    }
    .home-hero-actions {
        flex-direction: column;
    }
    .btn-primary,
    .btn-secondary {
        width: 100%;
    }
    .home-stats-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Comparison Feature */
.compare-checkbox-label {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 10;
    background: rgba(255, 255, 255, 0.9);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    cursor: pointer;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.2s;
}

.compare-checkbox-label:hover {
    border-color: var(--primary-color);
    background: #fff;
}

.compare-checkbox-label input {
    cursor: pointer;
}

#compare-bar {
    position: fixed;
    bottom: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 800px;
    background: #1e293b;
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    z-index: 1000;
    transition: bottom 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

#compare-bar.active {
    bottom: 20px;
}

.compare-info {
    font-weight: 700;
}

.btn-compare-start {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: 25px;
    font-weight: 800;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-compare-start:hover {
    background: #1d4ed8;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background: white;
    width: 100%;
    max-width: 1100px;
    max-height: 90vh;
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.25rem;
}

.btn-close-modal {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-sub);
}

.modal-body {
    padding: 1.5rem;
    overflow: auto;
}

.compare-table-wrapper {
    width: 100%;
    overflow-x: auto;
}

.compare-modal-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

.compare-modal-table th, .compare-modal-table td {
    padding: 12px;
    border: 1px solid var(--border-color);
    text-align: left;
    font-size: 0.85rem;
}

.compare-modal-table th {
    background: #f8fafc;
    font-weight: 800;
    width: 150px;
    position: sticky;
    left: 0;
    z-index: 2;
}

.compare-modal-table td {
    min-width: 200px;
    vertical-align: top;
}

.compare-modal-table .pc-name {
    font-weight: 800;
    color: var(--primary-color);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.compare-modal-table .pc-price {
    color: #e11d48;
    font-weight: 900;
    font-size: 1.2rem;
}

/* Article Specific Styles (Rich UI) */
.article-header-container {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
    padding: 5rem 0;
    margin-bottom: 3rem;
    border-radius: 0 0 24px 24px;
    text-align: center;
}

.article-header-container h1 {
    font-size: 2.8rem;
    font-weight: 900;
    line-height: 1.2;
    max-width: 900px;
    margin: 0 auto 1.5rem;
    letter-spacing: -0.02em;
}

.article-header-container .article-meta {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    font-size: 0.95rem;
    opacity: 0.8;
}

.article-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 3rem;
    align-items: start;
    margin-bottom: 5rem;
}

.article-toc {
    position: sticky;
    top: 20px;
    background: #fff;
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.article-toc h3 {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--text-sub);
    margin-bottom: 1.25rem;
    letter-spacing: 0.1em;
    border-bottom: 1px solid var(--bg-color);
    padding-bottom: 0.5rem;
}

.article-toc ul {
    list-style: none;
}

.article-toc li {
    margin-bottom: 0.85rem;
}

.article-toc a {
    text-decoration: none;
    color: var(--text-main);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
    display: block;
}

.article-toc a:hover {
    color: var(--primary-color);
    transform: translateX(4px);
}

.article-main {
    background: white;
    padding: 4rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
}

.article-body h2 {
    font-size: 2rem;
    font-weight: 800;
    margin: 4rem 0 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 3px solid #f1f5f9;
    color: #0f172a;
}

.article-body h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    margin-top: 0.75rem;
}

.article-body p {
    font-size: 1.15rem;
    line-height: 2;
    margin-bottom: 2.5rem;
    color: #334155;
}

.article-body strong {
    color: #0f172a;
    background: linear-gradient(transparent 70%, #dbeafe 70%);
}

.info-card {
    background: #f8fafc;
    border-radius: 16px;
    padding: 2rem;
    margin: 3rem 0;
    border: 1px solid #e2e8f0;
}

.info-card h4 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 800;
}

.recommend-pc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 3rem 0;
}

.back-to-home {
    margin-top: 4rem;
    text-align: center;
}

.btn-outline {
    display: inline-block;
    padding: 0.75rem 2rem;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 9999px;
    font-weight: 700;
    transition: all 0.2s;
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

@media (max-width: 1024px) {
    .home-hero-grid,
    .home-guides-grid,
    .route-grid,
    .featured-product-grid,
    .action-strip {
        grid-template-columns: 1fr;
    }
    .section-heading-inline {
        flex-direction: column;
        align-items: flex-start;
    }
    .article-layout {
        grid-template-columns: 1fr;
    }
    .article-toc {
        display: none;
    }
    .article-main {
        padding: 2rem;
    }
    .article-header-container h1 {
        font-size: 2rem;
        padding: 0 1rem;
    }
    .recommend-pc-grid {
        grid-template-columns: 1fr;
    }
}