/* alkonorm.ru — общий CSS для статей и хаб-страниц */
/* Подключение: <link rel="stylesheet" href="[относительный путь]/assets/article.css"> */
/* Шрифты подключить отдельно в <head>:
   <link href="https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700&family=Jost:wght@300;400;500;600&display=swap" rel="stylesheet"> */

/* ─── Reset & Root ─────────────────────────────────────────── */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --accent-cyan:   #4dd4ff;
    --accent-pink:   #ff6b9d;
    --accent-orange: #ff9f4d;
    --accent-green:  #4dffb0;
    --glass-border:  rgba(255,255,255,0.13);
    --text-primary:  #ffffff;
    --text-secondary: rgba(255,255,255,0.75);
}

body {
    font-family: 'Jost', sans-serif;
    background: #090a0f;
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.7;
}

/* ─── Starfield ────────────────────────────────────────────── */
.starfield {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    background: radial-gradient(ellipse at bottom, #1b2735 0%, #090a0f 100%);
    pointer-events: none;
}
.stars {
    position: absolute; width: 100%; height: 100%;
    background-image:
        radial-gradient(1px 1px at 10% 15%, rgba(255,255,255,0.6) 0%, transparent 100%),
        radial-gradient(1px 1px at 25% 40%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 40% 10%, rgba(255,255,255,0.7) 0%, transparent 100%),
        radial-gradient(1px 1px at 55% 60%, rgba(255,255,255,0.4) 0%, transparent 100%),
        radial-gradient(1px 1px at 70% 25%, rgba(255,255,255,0.6) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 82% 70%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(1px 1px at 90% 45%, rgba(255,255,255,0.7) 0%, transparent 100%),
        radial-gradient(1px 1px at 15% 75%, rgba(255,255,255,0.4) 0%, transparent 100%),
        radial-gradient(1px 1px at 35% 88%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 60% 80%, rgba(255,255,255,0.6) 0%, transparent 100%),
        radial-gradient(1px 1px at 75% 90%, rgba(255,255,255,0.3) 0%, transparent 100%),
        radial-gradient(1px 1px at 5% 50%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(1px 1px at 48% 35%, rgba(255,255,255,0.4) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 92% 20%, rgba(255,255,255,0.6) 0%, transparent 100%),
        radial-gradient(1px 1px at 20% 95%, rgba(255,255,255,0.5) 0%, transparent 100%);
    animation: twinkle 8s ease-in-out infinite alternate;
}
.stars2 {
    position: absolute; width: 100%; height: 100%;
    background-image:
        radial-gradient(1px 1px at 30% 20%, rgba(255,255,255,0.4) 0%, transparent 100%),
        radial-gradient(1px 1px at 65% 45%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 80% 15%, rgba(255,255,255,0.6) 0%, transparent 100%),
        radial-gradient(1px 1px at 45% 70%, rgba(255,255,255,0.3) 0%, transparent 100%),
        radial-gradient(1px 1px at 10% 85%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(1px 1px at 95% 60%, rgba(255,255,255,0.4) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 55% 5%, rgba(255,255,255,0.7) 0%, transparent 100%);
    animation: twinkle 12s ease-in-out infinite alternate-reverse;
}
@keyframes twinkle {
    0%   { opacity: 0.6; }
    50%  { opacity: 1;   }
    100% { opacity: 0.7; }
}

/* ─── Header ───────────────────────────────────────────────── */
.header {
    position: sticky; top: 0; z-index: 90;
    background: rgba(5,13,26,0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
}
.header-inner {
    max-width: 1200px; margin: 0 auto;
    padding: 16px 24px;
    display: flex; align-items: center; gap: 32px;
}
.logo {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700; font-size: 24px;
    color: var(--accent-cyan); text-decoration: none; flex-shrink: 0;
    display: inline-flex; align-items: center; gap: 10px;
}
.nav { display: flex; gap: 24px; flex: 1; flex-wrap: wrap; }
.nav a {
    color: var(--text-secondary); text-decoration: none;
    font-size: 14px; font-weight: 500; transition: color 0.2s;
}
.nav a:hover, .nav a.active { color: var(--accent-cyan); }

/* ─── Breadcrumbs ──────────────────────────────────────────── */
.breadcrumbs {
    padding: 20px 0 0;
    font-size: 13px;
    color: rgba(255,255,255,0.45);
}
.breadcrumbs a {
    color: rgba(255,255,255,0.45); text-decoration: none; transition: color 0.2s;
}
.breadcrumbs a:hover { color: var(--accent-cyan); }
.breadcrumbs span { margin: 0 6px; }

/* ─── Layout: статья (article + sidebar) ──────────────────── */
.page-wrap {
    position: relative; z-index: 10;
    max-width: 1200px; margin: 0 auto;
    padding: 0 24px 80px;
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 60px;
    align-items: start;
}
/* breadcrumbs внутри page-wrap тянутся на всю ширину */
.page-wrap > .breadcrumbs { grid-column: 1 / -1; }

/* ─── Layout: хаб-страница (без sidebar) ──────────────────── */
.page-content {
    position: relative; z-index: 10;
    max-width: 1200px; margin: 0 auto;
    padding: 0 24px 80px;
}

/* ─── Article ──────────────────────────────────────────────── */
article { min-width: 0; }

h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 40px; font-weight: 700;
    line-height: 1.15; margin-bottom: 20px;
    background: linear-gradient(135deg, #fff 40%, var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.article-lead {
    font-size: 16px;
    color: rgba(255,255,255,0.7);
    line-height: 1.85;
    margin-bottom: 28px;
    border-left: 3px solid rgba(77,212,255,0.4);
    padding-left: 18px;
}

/* ─── Quick answer ─────────────────────────────────────────── */
.quick-answer {
    background: rgba(77,212,255,0.06);
    border: 1px solid rgba(77,212,255,0.22);
    border-radius: 14px;
    padding: 22px 26px;
    margin-bottom: 44px;
}
.quick-answer-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 11px; font-weight: 700;
    letter-spacing: 1px; text-transform: uppercase;
    color: var(--accent-cyan);
    margin-bottom: 14px;
}
.quick-answer ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.quick-answer li {
    font-size: 14px; color: var(--text-secondary);
    display: flex; gap: 10px; align-items: baseline;
}
.quick-answer li::before { content: '—'; color: var(--accent-cyan); flex-shrink: 0; }
.quick-answer strong { color: var(--text-primary); }

/* ─── Article body ─────────────────────────────────────────── */
.article-body { font-size: 15px; color: rgba(255,255,255,0.72); line-height: 1.9; }

.article-body h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 21px; font-weight: 700;
    color: var(--text-primary);
    margin: 44px 0 14px;
    padding-top: 8px;
    scroll-margin-top: 80px;
}
.article-body h2:first-child { margin-top: 0; }

.article-body h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 15px; font-weight: 600;
    color: var(--text-secondary);
    margin: 24px 0 8px;
}

.article-body p { margin-bottom: 14px; }

.article-body ul, .article-body ol {
    margin: 0 0 16px 0; padding-left: 0; list-style: none;
}
.article-body ul li, .article-body ol li {
    padding: 5px 0 5px 22px; position: relative;
    color: rgba(255,255,255,0.7);
}
.article-body ul li::before {
    content: '·'; position: absolute; left: 6px;
    color: var(--accent-cyan); font-size: 18px; line-height: 1.4;
}
.article-body ol { counter-reset: li; }
.article-body ol li::before {
    counter-increment: li;
    content: counter(li) '.';
    position: absolute; left: 0;
    color: var(--accent-cyan); font-size: 13px; font-weight: 600;
}

.article-lead a, .article-body a, .quick-answer a, .faq-answer a {
    color: var(--accent-cyan); text-decoration: none;
}
.article-lead a:hover, .article-body a:hover,
.quick-answer a:hover, .faq-answer a:hover { text-decoration: underline; }

.divider { height: 1px; background: rgba(255,255,255,0.07); margin: 44px 0; }

/* ─── Tables ───────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 20px 0 28px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead th {
    font-family: 'Montserrat', sans-serif;
    font-size: 11px; font-weight: 600;
    letter-spacing: 0.8px; text-transform: uppercase;
    color: var(--accent-cyan);
    padding: 10px 14px;
    border-bottom: 1px solid rgba(77,212,255,0.25);
    text-align: left; white-space: nowrap;
}
tbody td {
    padding: 10px 14px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
    color: rgba(255,255,255,0.72);
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: rgba(77,212,255,0.04); }
td.hl  { color: var(--text-primary); font-weight: 500; }
td.dim { color: rgba(255,255,255,0.45); font-size: 13px; }
.table-note {
    font-size: 12px; color: rgba(255,255,255,0.35);
    margin-top: -20px; margin-bottom: 28px;
}
.table-name {
    font-family: 'Montserrat', sans-serif;
    font-size: 13px; font-weight: 600;
    color: rgba(255,255,255,0.55);
    margin: 0 0 8px;
}

/* ─── FAQ ──────────────────────────────────────────────────── */
.faq-section { margin-top: 44px; }
.faq-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 18px; font-weight: 700;
    margin-bottom: 16px;
}
.faq-list { display: flex; flex-direction: column; gap: 2px; }
details {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px; overflow: hidden;
    transition: border-color 0.2s;
}
details[open] { border-color: rgba(77,212,255,0.3); }
summary {
    padding: 17px 20px;
    font-family: 'Montserrat', sans-serif;
    font-size: 14px; font-weight: 600;
    cursor: pointer; list-style: none;
    display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
summary::-webkit-details-marker { display: none; }
summary::after {
    content: '+'; font-size: 20px;
    color: var(--accent-cyan); flex-shrink: 0; transition: transform 0.2s;
}
details[open] summary::after { transform: rotate(45deg); }
.faq-answer {
    padding: 0 20px 16px;
    font-size: 14px; color: rgba(255,255,255,0.65); line-height: 1.8;
}

/* ─── CTA forum block ───────────────────────────────────────── */
.cta-box {
    background: linear-gradient(135deg, rgba(77,212,255,0.15), rgba(255,107,157,0.15));
    border: 2px solid var(--accent-cyan);
    border-radius: 20px;
    padding: 40px;
    margin: 60px 0 40px;
    text-align: center;
}
.cta-box h2 {
    margin: 0 0 15px;
    padding: 0;
    font-size: 26px;
}
.cta-box h2::before { display: none; }
.cta-box p { font-size: 16px; margin-bottom: 25px; }
.btn-primary {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-cyan), #0fa8d8);
    color: #000;
    font-weight: 700;
    font-size: 16px;
    padding: 14px 36px;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    font-family: 'Montserrat', sans-serif;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(77,212,255,0.4);
}

/* ─── Related articles ─────────────────────────────────────── */
.related-section { margin-top: 44px; }
.related-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 11px; font-weight: 700;
    letter-spacing: 1px; text-transform: uppercase;
    color: rgba(255,255,255,0.4);
    margin-bottom: 14px;
}
.related-list { list-style: none; }
.related-list li {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 12px; align-items: baseline;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.related-list li:last-child { border-bottom: none; }
.related-list a {
    font-size: 14px; font-weight: 500;
    color: var(--accent-cyan); text-decoration: none; transition: opacity 0.2s;
}
.related-list a:hover { opacity: 0.75; text-decoration: underline; }
.related-list span { font-size: 12px; color: rgba(255,255,255,0.3); white-space: nowrap; }
.r-soon { font-size: 14px; font-weight: 500; color: rgba(255,255,255,0.28); }

/* ─── Sources ──────────────────────────────────────────────── */
.sources-section { margin-top: 44px; }
.sources-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 11px; font-weight: 700;
    letter-spacing: 1px; text-transform: uppercase;
    color: rgba(255,255,255,0.4);
    margin-bottom: 12px;
}
.sources-list {
    list-style: none;
    display: flex; flex-direction: column; gap: 6px;
}
.sources-list li {
    font-size: 12px; color: rgba(255,255,255,0.28);
    line-height: 1.5;
    padding-left: 12px;
    border-left: 2px solid rgba(255,255,255,0.08);
}
.sources-list em { font-style: italic; }

/* ─── Sidebar (только в статьях) ──────────────────────────── */
.sidebar { position: sticky; top: 80px; }
.sidebar-toc {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.09);
    border-radius: 14px;
    padding: 20px; margin-bottom: 20px;
}
.sidebar-toc-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 11px; font-weight: 700;
    letter-spacing: 1px; text-transform: uppercase;
    color: rgba(255,255,255,0.4); margin-bottom: 14px;
}
.toc-list { list-style: none; display: flex; flex-direction: column; gap: 2px; }
.toc-list a {
    font-size: 13px; color: rgba(255,255,255,0.5);
    text-decoration: none; display: block;
    padding: 5px 8px; border-radius: 8px;
    transition: background 0.2s, color 0.2s; line-height: 1.45;
}
.toc-list a:hover { background: rgba(77,212,255,0.08); color: var(--accent-cyan); }
.sidebar-hub {
    background: rgba(77,212,255,0.05);
    border: 1px solid rgba(77,212,255,0.18);
    border-radius: 14px; padding: 20px;
}
.sidebar-hub-label {
    font-family: 'Montserrat', sans-serif;
    font-size: 11px; font-weight: 700;
    letter-spacing: 1px; text-transform: uppercase;
    color: var(--accent-cyan); margin-bottom: 10px;
}
.sidebar-hub a {
    font-size: 14px; font-weight: 600;
    color: var(--text-primary); text-decoration: none;
    display: block; margin-bottom: 6px;
}
.sidebar-hub a:hover { color: var(--accent-cyan); }
.sidebar-hub p { font-size: 12px; color: rgba(255,255,255,0.4); line-height: 1.5; }

/* ─── Хаб: hero ────────────────────────────────────────────── */
.hero { padding: 40px 0 48px; max-width: 780px; }
.hero h1 {
    font-size: 48px;
    background: none;
    -webkit-text-fill-color: #ffffff;
    color: #ffffff;
    margin-bottom: 14px;
}
.hero-sub {
    font-size: 19px; color: var(--text-secondary);
    margin-bottom: 20px; font-weight: 500; line-height: 1.5;
}
.hero-intro {
    font-size: 15px; color: rgba(255,255,255,0.65);
    line-height: 1.85; margin-bottom: 28px;
}

/* ─── Хаб: anchor menu ─────────────────────────────────────── */
.anchor-menu { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 56px; }
.anchor-menu a {
    background: rgba(77,212,255,0.07);
    border: 1px solid rgba(77,212,255,0.22);
    color: var(--accent-cyan); border-radius: 20px;
    padding: 6px 16px; font-size: 13px;
    text-decoration: none; transition: background 0.2s, border-color 0.2s;
}
.anchor-menu a:hover { background: rgba(77,212,255,0.15); border-color: rgba(77,212,255,0.5); }

/* ─── Хаб: секции ──────────────────────────────────────────── */
.content-section { margin-bottom: 64px; scroll-margin-top: 80px; }
.section-header { display: flex; align-items: baseline; gap: 12px; margin-bottom: 8px; }
h2.section-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 20px; font-weight: 700; margin: 0;
    color: rgba(77,212,255,0.9);
}
.section-count { font-size: 12px; color: rgba(255,255,255,0.35); }
.section-line { height: 1px; background: rgba(77,212,255,0.2); margin-bottom: 12px; }
.cluster-desc {
    font-size: 14px; color: rgba(77,212,255,0.75);
    margin-bottom: 20px; max-width: 680px; line-height: 1.6;
}

/* ─── Хаб: список статей ───────────────────────────────────── */
.article-list { list-style: none; }
.article-list li {
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: baseline; gap: 16px;
    padding: 11px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.article-list li:last-child { border-bottom: none; }
.al-link {
    font-size: 14px; font-weight: 500;
    color: #ffffff; text-decoration: none; line-height: 1.5; transition: opacity 0.2s;
}
.al-link:hover { opacity: 0.75; text-decoration: underline; }
.al-soon { font-size: 14px; font-weight: 500; color: rgba(255,255,255,0.3); line-height: 1.5; }
.al-desc {
    font-size: 12px; color: rgba(255,255,255,0.35);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 280px;
}
.badge-ready {
    font-size: 10px; font-family: 'Montserrat', sans-serif;
    font-weight: 600; letter-spacing: 0.5px;
    color: var(--accent-cyan); background: rgba(77,212,255,0.1);
    border: 1px solid rgba(77,212,255,0.3);
    padding: 2px 8px; border-radius: 10px; white-space: nowrap;
}
.badge-soon {
    font-size: 10px; font-family: 'Montserrat', sans-serif;
    font-weight: 600; letter-spacing: 0.5px;
    color: rgba(255,255,255,0.2); background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 2px 8px; border-radius: 10px; white-space: nowrap;
}

/* ─── Хаб: другие разделы ──────────────────────────────────── */
.other-hubs-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700; margin-bottom: 16px;
    color: rgba(255,255,255,0.5); text-transform: uppercase;
    letter-spacing: 0.8px; font-size: 11px;
}
.hubs-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.hub-card {
    background: rgba(255,255,255,0.04); border-radius: 14px;
    padding: 22px; text-decoration: none; color: inherit;
    transition: transform 0.2s; display: block;
    border: 1px solid rgba(255,255,255,0.08);
}
.hub-card:hover { transform: translateY(-3px); }
.hub-card.orange { border-color: rgba(255,159,77,0.2); }
.hub-card.orange:hover { border-color: rgba(255,159,77,0.45); box-shadow: 0 6px 20px rgba(255,159,77,0.12); }
.hub-card.pink   { border-color: rgba(255,107,157,0.2); }
.hub-card.pink:hover { border-color: rgba(255,107,157,0.45); box-shadow: 0 6px 20px rgba(255,107,157,0.12); }
.hub-card.green  { border-color: rgba(77,255,176,0.2); }
.hub-card.green:hover { border-color: rgba(77,255,176,0.45); box-shadow: 0 6px 20px rgba(77,255,176,0.12); }
.hub-card-name { font-family: 'Montserrat', sans-serif; font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.hub-card.orange .hub-card-name { color: var(--accent-orange); }
.hub-card.pink   .hub-card-name { color: var(--accent-pink); }
.hub-card.green  .hub-card-name { color: var(--accent-green); }
.hub-card-desc { font-size: 12px; color: rgba(255,255,255,0.5); line-height: 1.5; }

/* ─── Footer ───────────────────────────────────────────────── */
.footer {
    position: relative; z-index: 10;
    border-top: 1px solid var(--glass-border);
    background: rgba(5,13,26,0.8);
}
.footer-inner {
    max-width: 1200px; margin: 0 auto;
    padding: 28px 24px;
    display: flex; flex-wrap: wrap; gap: 16px;
    justify-content: space-between; align-items: center;
}
.footer-copy { font-size: 12px; color: rgba(255,255,255,0.3); }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a {
    font-size: 12px; color: rgba(255,255,255,0.4);
    text-decoration: none; transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent-cyan); }

/* ─── Info & Warn blocks ───────────────────────────────────── */
.info-block {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 18px 22px;
    margin: 20px 0;
}
.info-block p { font-size: 14px; color: rgba(255,255,255,0.6); margin-bottom: 0; line-height: 1.7; }

.warn-block {
    background: rgba(255,159,77,0.07);
    border: 1px solid rgba(255,159,77,0.25);
    border-radius: 12px;
    padding: 18px 22px;
    margin: 20px 0;
}
.warn-block p { font-size: 14px; color: rgba(255,255,255,0.65); margin-bottom: 0; line-height: 1.7; }

/* ─── Sources block ────────────────────────────────────────── */
.sources-block {
    margin: 40px 0 0;
    padding: 20px 24px;
    background: rgba(255,255,255,0.04);
    border-left: 3px solid rgba(255,255,255,0.15);
    border-radius: 0 8px 8px 0;
}
.sources-title {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,0.45);
    margin: 0 0 12px;
}
.sources-list {
    margin: 0;
    padding-left: 20px;
}
.sources-list li {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    line-height: 1.6;
    margin-bottom: 8px;
}
.sources-list li:last-child { margin-bottom: 0; }
.sources-list em { font-style: italic; color: rgba(255,255,255,0.6); }

/* ─── Sources list (нумерованный, в article-body) ─────────── */
.article-body ol.sources-list {
    padding-left: 1.5em;
    font-size: 0.9em;
    color: var(--text-secondary, #666);
    line-height: 1.7;
    list-style: decimal;
}
.article-body ol.sources-list li {
    margin-bottom: 0.5em;
    padding-left: 0;
    border-left: none;
    font-size: inherit;
    color: inherit;
}
.article-body ol.sources-list li::before { display: none; }
.article-body ol.sources-list a {
    color: inherit;
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* ─── Mobile ───────────────────────────────────────────────── */
@media (max-width: 900px) {
    .page-wrap { grid-template-columns: 1fr; gap: 0; }
    .sidebar { display: none; }
}
@media (max-width: 768px) {
    h1 { font-size: 28px; }
    .hero h1 { font-size: 32px; }
    .hero-sub { font-size: 16px; }
    .nav { display: none; }
    .hubs-grid { grid-template-columns: 1fr; }
    .article-list li { grid-template-columns: 1fr auto; grid-template-rows: auto auto; }
    .al-desc { display: none; }
    .related-list li { grid-template-columns: 1fr; }
    .related-list span { display: none; }
}
