/* Theme: Deep Navy + Amber — Corporate Tech */
:root {
    --color-primary: #0f2744;
    --color-primary-light: #1a3a5c;
    --color-accent: #d97706;
    --color-accent-hover: #b45309;
    --color-accent-soft: rgba(217, 119, 6, 0.12);
    --color-bg: #f8f6f3;
    --color-bg-alt: #eef2f7;
    --color-white: #ffffff;
    --color-text: #334155;
    --color-text-light: #64748b;
    --color-border: #e2e8f0;
    --color-border-dark: rgba(255, 255, 255, 0.12);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --shadow-sm: 0 1px 3px rgba(15, 39, 68, 0.06);
    --shadow-md: 0 4px 16px rgba(15, 39, 68, 0.08);
    --shadow-lg: 0 8px 30px rgba(15, 39, 68, 0.1);
    --header-h: 64px;
    --container-max: 1140px;
    --gap: 1.25rem;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: "Microsoft YaHei", "PingFang SC", -apple-system, sans-serif;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--color-accent); transition: color 0.25s ease; }

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* Header */
.site-header {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: var(--header-h);
    background: var(--color-primary);
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-h);
    position: relative;
}

.site-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-white);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
    flex-shrink: 0;
}

.site-logo a { color: var(--color-white); text-decoration: none; }
.site-logo a:hover { color: var(--color-accent); }

.site-nav ul {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 0.25rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.site-nav ul li a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.45rem 0.75rem;
    border-radius: var(--radius-sm);
    display: block;
    white-space: nowrap;
    transition: background 0.25s, color 0.25s;
}

.site-nav ul li a:hover,
.site-nav ul li.z14587this a {
    color: var(--color-white);
    background: rgba(217, 119, 6, 0.25);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 36px;
    height: 36px;
    padding: 6px;
    flex-shrink: 0;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-white);
    margin: 5px 0;
    transition: transform 0.3s, opacity 0.3s;
}

.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Banner */
.banner {
    margin-top: var(--header-h);
    padding: 3.5rem 0 3rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
}

.banner-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: center;
}

.banner-tag {
    display: inline-block;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    padding: 0.35rem 0.85rem;
    background: var(--color-accent-soft);
    color: #fbbf24;
    border-radius: 20px;
    margin-bottom: 1rem;
    border: 1px solid rgba(251, 191, 36, 0.3);
}

.banner-text h2 { font-size: 2rem; line-height: 1.35; margin-bottom: 1rem; font-weight: 700; }
.banner-text p { font-size: 0.95rem; opacity: 0.9; margin-bottom: 0.75rem; }
.banner-lead { font-size: 0.9rem !important; line-height: 1.75 !important; opacity: 0.85 !important; }
.banner-lead strong { color: #fbbf24; font-weight: 600; }

.banner-actions { display: flex; gap: 0.75rem; margin-top: 1.5rem; flex-wrap: wrap; }

.btn {
    display: inline-block;
    padding: 0.65rem 1.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.25s;
    border: 2px solid transparent;
}

.btn-primary { background: var(--color-accent); color: var(--color-white); border-color: var(--color-accent); }
.btn-primary:hover { background: var(--color-accent-hover); border-color: var(--color-accent-hover); color: var(--color-white); }
.btn-outline { background: transparent; color: var(--color-white); border-color: rgba(255, 255, 255, 0.4); }
.btn-outline:hover { border-color: var(--color-white); color: var(--color-white); }

.banner-visual { display: flex; justify-content: center; align-items: center; }
.banner-img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); max-height: 340px; width: auto; object-fit: contain; }

/* Sections */
.section { padding: 3.5rem 0; }
.section-light { background: var(--color-white); }
.section-alt { background: var(--color-bg-alt); }
.section-dark { background: var(--color-primary); color: var(--color-white); }
.section-cta { background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary)); color: var(--color-white); padding: 3rem 0; }

.section-head { text-align: center; max-width: 720px; margin: 0 auto 2.5rem; }
.section-head-light .section-label { color: #fbbf24; }
.section-head-light p { color: rgba(255, 255, 255, 0.8); }

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.section-head h2 { font-size: 1.75rem; color: inherit; margin-bottom: 0.75rem; font-weight: 700; }
.section-head p { font-size: 0.95rem; color: var(--color-text-light); line-height: 1.75; }
.section-dark .section-head h2 { color: var(--color-white); }

/* Cards */
.card-grid { display: grid; gap: var(--gap); }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }

.info-card, .feature-panel, .guide-item, .knowledge-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.25s, transform 0.25s;
    min-width: 0;
    overflow: hidden;
}

.info-card:hover, .feature-panel:hover, .knowledge-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.info-card-icon {
    width: 36px; height: 36px; line-height: 36px; text-align: center;
    background: var(--color-accent-soft); color: var(--color-accent);
    font-weight: 700; font-size: 0.85rem; border-radius: var(--radius-sm); margin-bottom: 1rem;
}

.info-card h3, .feature-panel h3, .guide-item h3, .knowledge-card h3 {
    font-size: 1.05rem; color: var(--color-primary); margin-bottom: 0.65rem; font-weight: 600;
}

.info-card p, .feature-panel p, .guide-item p, .knowledge-card p {
    font-size: 0.88rem; color: var(--color-text-light); line-height: 1.7;
}

.section-dark .guide-item { background: rgba(255, 255, 255, 0.06); border-color: var(--color-border-dark); }
.section-dark .guide-item h3 { color: #fbbf24; }
.section-dark .guide-item p { color: rgba(255, 255, 255, 0.78); }

.guide-grid, .knowledge-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gap); }

/* Split layout */
.split-layout { display: grid; grid-template-columns: 1.2fr 1fr; gap: 2.5rem; align-items: center; }
.split-content h2 { font-size: 1.75rem; color: var(--color-primary); margin-bottom: 1rem; }
.split-content p { font-size: 0.95rem; color: var(--color-text-light); margin-bottom: 1.25rem; line-height: 1.75; }

.check-list { list-style: none; }
.check-list li { position: relative; padding-left: 1.5rem; margin-bottom: 0.65rem; font-size: 0.9rem; color: var(--color-text); }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--color-accent); font-weight: 700; }

.split-panel { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }

.stat-box {
    background: var(--color-white); border: 1px solid var(--color-border);
    border-radius: var(--radius-md); padding: 1.25rem 0.75rem; text-align: center; box-shadow: var(--shadow-sm);
}

.stat-box strong { display: block; font-size: 1.5rem; color: var(--color-accent); margin-bottom: 0.25rem; }
.stat-box span { font-size: 0.8rem; color: var(--color-text-light); }

/* CTA */
.cta-inner { display: grid; grid-template-columns: 1.2fr 1fr; gap: 2rem; align-items: center; }
.cta-text h2 { font-size: 1.6rem; margin-bottom: 0.75rem; }
.cta-text p { font-size: 0.92rem; opacity: 0.88; line-height: 1.75; }
.cta-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; }

.cta-card {
    background: rgba(255, 255, 255, 0.08); border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-md); padding: 1rem 0.75rem; text-align: center;
}

.cta-card strong { display: block; font-size: 0.85rem; color: #fbbf24; margin-bottom: 0.3rem; }
.cta-card span { font-size: 0.8rem; opacity: 0.85; }

/* Homepage Articles */
.articles-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--gap); }

.article-card {
    background: var(--color-white); border: 1px solid var(--color-border);
    border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm);
    transition: box-shadow 0.25s, transform 0.25s; min-width: 0;
}

.article-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.article-card-thumb { display: block; height: 130px; overflow: hidden; background: var(--color-bg-alt); }
.article-card-thumb img { width: 100%; height: 130px; object-fit: cover; transition: transform 0.3s; }
.article-card:hover .article-card-thumb img { transform: scale(1.04); }

.article-card-body { padding: 0.85rem; }
.article-card-body h3 { font-size: 0.85rem; line-height: 1.45; margin-bottom: 0.4rem; font-weight: 600; }
.article-card-body h3 a {
    color: var(--color-primary); text-decoration: none;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.article-card-body h3 a:hover { color: var(--color-accent); }
.article-card-date { font-size: 0.75rem; color: var(--color-text-light); }

/* Footer */
.site-footer { background: var(--color-primary); color: rgba(255, 255, 255, 0.8); padding: 2rem 0; }
.site-footer .footer-links { text-align: center; margin-bottom: 1.5rem; }
.site-footer .footer-links h3 { color: #fbbf24; font-size: 1rem; margin-bottom: 0.75rem; }
.site-footer .footer-links ul { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem; }
.site-footer .footer-links ul li a {
    color: rgba(255, 255, 255, 0.85); text-decoration: none; font-size: 0.85rem;
    padding: 0.35rem 0.85rem; border: 1px solid var(--color-border-dark); border-radius: 20px; transition: background 0.25s;
}
.site-footer .footer-links ul li a:hover { background: rgba(217, 119, 6, 0.25); color: var(--color-white); }
.site-footer .footer-info { text-align: center; padding-top: 1rem; border-top: 1px solid var(--color-border-dark); }
.site-footer .footer-info p { font-size: 0.82rem; margin: 0.35rem 0; opacity: 0.75; }
.site-footer .footer-info a { color: #fbbf24; text-decoration: none; }
.site-footer .footer-info a:hover { color: var(--color-white); }

/* Inner Pages */
.page-main {
    margin-top: var(--header-h); padding: 1.75rem 0 3rem;
    background: var(--color-bg); min-height: calc(100vh - 180px);
}

.breadcrumb { padding: 0.5rem 0 1.25rem; font-size: 0.85rem; color: var(--color-text-light); }
.breadcrumb a { color: var(--color-text); text-decoration: none; }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb .sep { margin: 0 0.4rem; color: #cbd5e1; }
.breadcrumb .current { color: var(--color-accent); }

.page-layout { display: grid; grid-template-columns: 1fr 280px; gap: 1.5rem; align-items: start; }

.page-content {
    background: var(--color-white); border: 1px solid var(--color-border);
    border-radius: var(--radius-md); padding: 1.75rem; box-shadow: var(--shadow-sm);
    min-width: 0; overflow: hidden;
}

.sidebar { position: sticky; top: calc(var(--header-h) + 16px); }

.sidebar-widget {
    background: var(--color-white); border: 1px solid var(--color-border);
    border-radius: var(--radius-md); padding: 1.25rem; box-shadow: var(--shadow-sm);
}

.sidebar-title {
    font-size: 1rem; color: var(--color-primary); margin-bottom: 0.85rem;
    padding-bottom: 0.65rem; border-bottom: 2px solid var(--color-accent); font-weight: 600;
}

.sidebar-list { list-style: none; }
.sidebar-list li { border-bottom: 1px solid var(--color-border); }
.sidebar-list li:last-child { border-bottom: none; }
.sidebar-list li a {
    display: flex; align-items: center; gap: 0.65rem; padding: 0.6rem 0;
    text-decoration: none; color: var(--color-text); font-size: 0.85rem; transition: color 0.25s;
}
.sidebar-list li a:hover { color: var(--color-accent); }

.sidebar-thumb { flex-shrink: 0; width: 52px; height: 40px; overflow: hidden; border-radius: var(--radius-sm); background: var(--color-bg-alt); }
.sidebar-thumb img { width: 52px; height: 40px; object-fit: cover; }
.sidebar-text {
    flex: 1; min-width: 0; line-height: 1.4;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* List page */
.list-header { margin-bottom: 1.25rem; padding-bottom: 0.85rem; border-bottom: 2px solid var(--color-accent); }
.list-title { font-size: 1.5rem; color: var(--color-primary); }
.list-items { list-style: none; }

.list-item {
    display: flex; gap: 1.25rem; padding: 1.25rem 0; border-bottom: 1px solid var(--color-border);
}
.list-item:last-child { border-bottom: none; }

.list-thumb {
    flex-shrink: 0; width: 180px; height: 130px; overflow: hidden;
    border-radius: var(--radius-sm); background: var(--color-bg-alt); display: block;
}
.list-thumb img { width: 180px; height: 130px; object-fit: cover; transition: transform 0.3s; }
.list-thumb:hover img { transform: scale(1.04); }

.list-info { flex: 1; min-width: 0; }
.list-item-title { font-size: 1.05rem; margin-bottom: 0.5rem; line-height: 1.4; }
.list-item-title a { color: var(--color-primary); text-decoration: none; }
.list-item-title a:hover { color: var(--color-accent); }

.list-meta { font-size: 0.8rem; color: var(--color-text-light); margin-bottom: 0.5rem; display: flex; flex-wrap: wrap; gap: 0.75rem; }
.list-meta a { color: var(--color-accent); text-decoration: none; }
.list-intro { font-size: 0.88rem; color: var(--color-text-light); line-height: 1.65; }

/* Pagination */
.pagebar { margin-top: 1.5rem; padding-top: 1.25rem; border-top: 1px solid var(--color-border); }
.z14587pages { display: flex; justify-content: center; }
.z14587pages .pagelist, .z14587pages ul {
    display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
    list-style: none; gap: 0.4rem; padding: 0; margin: 0;
}
.z14587pages li a, .z14587pages li span {
    display: inline-block; padding: 0.4rem 0.85rem; border-radius: var(--radius-sm);
    text-decoration: none; color: var(--color-text); background: var(--color-bg);
    border: 1px solid var(--color-border); font-size: 0.85rem; transition: all 0.25s;
}
.z14587pages li a:hover { background: var(--color-accent); color: var(--color-white); border-color: var(--color-accent); }
.z14587pages li.thisclass a, .z14587pages li.thisclass span {
    background: var(--color-primary); color: var(--color-white); border-color: var(--color-primary);
}

/* Article detail */
.article-header { margin-bottom: 1.25rem; padding-bottom: 0.85rem; border-bottom: 2px solid var(--color-accent); }
.article-title { font-size: 1.5rem; color: var(--color-primary); line-height: 1.4; margin-bottom: 0.75rem; }
.article-meta { display: flex; flex-wrap: wrap; gap: 1rem; font-size: 0.85rem; color: var(--color-text-light); }
.article-meta a { color: var(--color-accent); text-decoration: none; }
.article-meta small { color: #94a3b8; }
.article-thumb { margin-bottom: 1.25rem; text-align: center; border-radius: var(--radius-sm); overflow: hidden; }

.article-body {
    font-size: 0.95rem; line-height: 1.85; color: var(--color-text);
    margin-bottom: 1.5rem; word-break: break-word; overflow-wrap: break-word;
}
.article-body img { max-width: 100%; height: auto; border-radius: var(--radius-sm); margin: 0.75rem auto; }
.article-body p { margin-bottom: 0.85rem; }

.z14587diyfield {
    margin-bottom: 1.25rem; padding: 1rem; background: var(--color-bg-alt);
    border-radius: var(--radius-sm); border-left: 3px solid var(--color-accent); font-size: 0.9rem;
}

.article-images { margin-bottom: 1.5rem; }
.article-figure { margin-bottom: 1rem; text-align: center; }
.article-figure img { border-radius: var(--radius-sm); margin: 0 auto; }
.article-figure figcaption { margin-top: 0.4rem; font-size: 0.85rem; color: var(--color-text-light); }

.article-tags {
    display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem;
    margin-bottom: 1.5rem; padding: 0.85rem 0;
    border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border);
}
.tags-label { font-size: 0.85rem; color: var(--color-text-light); }
.z14587meta-tags { list-style: none; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.z14587tagitem a {
    display: inline-block; padding: 0.25rem 0.7rem; background: var(--color-accent-soft);
    border: 1px solid rgba(217, 119, 6, 0.25); border-radius: 20px;
    color: var(--color-accent); text-decoration: none; font-size: 0.8rem;
}
.z14587tagitem a:hover { background: var(--color-accent); color: var(--color-white); }

.article-nav { display: flex; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; padding: 0.85rem 0; }
.article-nav-item { flex: 1; max-width: 48%; min-width: 0; font-size: 0.88rem; }
.article-nav-item a { color: var(--color-text); text-decoration: none; display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.article-nav-item a:hover { color: var(--color-accent); }
.article-nav-item.next { text-align: right; }

.related-articles { margin-top: 1.5rem; padding-top: 1.25rem; border-top: 1px solid var(--color-border); }
.section-subtitle {
    font-size: 1.15rem; color: var(--color-primary); margin-bottom: 1rem;
    padding-bottom: 0.5rem; border-bottom: 2px solid var(--color-accent); display: inline-block;
}

.related-list { list-style: none; }
.related-item { display: flex; gap: 0.85rem; padding: 0.85rem 0; border-bottom: 1px solid var(--color-border); }
.related-item:last-child { border-bottom: none; }

.related-thumb {
    flex-shrink: 0; width: 110px; height: 80px; overflow: hidden;
    border-radius: var(--radius-sm); background: var(--color-bg-alt); display: block;
}
.related-thumb img { width: 110px; height: 80px; object-fit: cover; }
.related-info { flex: 1; min-width: 0; }
.related-title { color: var(--color-primary); text-decoration: none; font-weight: 600; font-size: 0.92rem; display: block; margin-bottom: 0.35rem; }
.related-title:hover { color: var(--color-accent); }
.related-info p { font-size: 0.82rem; color: var(--color-text-light); line-height: 1.55; }

/* Responsive */
@media (max-width: 1100px) {
    .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .articles-grid { grid-template-columns: repeat(4, 1fr); }
    .site-nav ul li a { font-size: 0.82rem; padding: 0.4rem 0.55rem; }
}

@media (max-width: 992px) {
    .banner-grid, .split-layout, .cta-inner { grid-template-columns: 1fr; gap: 1.75rem; }
    .banner-visual { order: -1; }
    .banner-img { max-height: 260px; }
    .card-grid-3 { grid-template-columns: 1fr; }
    .split-panel { grid-template-columns: repeat(3, 1fr); }
    .cta-cards { grid-template-columns: repeat(3, 1fr); }
    .page-layout { grid-template-columns: 1fr; }
    .sidebar { position: static; }
    .articles-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    :root { --header-h: 56px; }
    .header-inner { height: var(--header-h); }
    .site-logo { font-size: 1.05rem; max-width: calc(100% - 50px); }

    .menu-toggle {
        display: block; position: absolute; right: 0; top: 50%; transform: translateY(-50%);
    }

    .site-nav {
        display: none; position: absolute; top: 100%; left: 0; width: 100%;
        background: var(--color-primary); border-top: 1px solid var(--color-border-dark);
        box-shadow: var(--shadow-lg); max-height: calc(100vh - var(--header-h)); overflow-y: auto;
    }
    .site-nav.active { display: block; }
    .site-nav ul { flex-direction: column; align-items: stretch; padding: 0.5rem 0; gap: 0; }
    .site-nav ul li a { padding: 0.75rem 1.25rem; border-radius: 0; border-bottom: 1px solid var(--color-border-dark); }

    .banner { padding: 2rem 0 2.5rem; }
    .banner-text h2 { font-size: 1.5rem; }
    .section { padding: 2.5rem 0; }
    .section-head h2 { font-size: 1.4rem; }
    .card-grid-4, .guide-grid, .knowledge-grid { grid-template-columns: 1fr; }
    .split-panel { grid-template-columns: 1fr; }
    .cta-cards { grid-template-columns: 1fr; }
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
    .page-content { padding: 1.25rem; }

    .list-item { flex-direction: column; gap: 0.85rem; }
    .list-thumb, .list-thumb img { width: 100%; height: 180px; }
    .article-title { font-size: 1.25rem; }
    .article-nav { flex-direction: column; }
    .article-nav-item { max-width: 100%; }
    .article-nav-item.next { text-align: left; }
    .related-item { flex-direction: column; }
    .related-thumb, .related-thumb img { width: 100%; height: 160px; }
    .site-footer .footer-links ul { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
    .container { padding: 0 14px; }
    .banner-text h2 { font-size: 1.3rem; }
    .banner-actions { flex-direction: column; }
    .btn { text-align: center; width: 100%; }
    .articles-grid { grid-template-columns: 1fr; }
    .article-card-thumb, .article-card-thumb img { height: 160px; }
    .page-content { padding: 1rem; }
    .list-title, .article-title { font-size: 1.15rem; }
    .list-meta { flex-direction: column; gap: 0.25rem; }
    .z14587pages li a, .z14587pages li span { padding: 0.35rem 0.65rem; font-size: 0.8rem; }
}

@media (max-width: 360px) {
    .site-logo { font-size: 0.95rem; }
    .info-card, .feature-panel, .guide-item, .knowledge-card { padding: 1.15rem; }
}