/* tn-binance.com — Knowledge Hub / Docs Portal style */

:root {
  --bg: #F7F7F8;
  --bg-white: #FFFFFF;
  --bg-soft: #EDEDF0;
  --text: #1B1B1F;
  --text-sub: #5A5A6E;
  --text-muted: #9494A8;
  --accent: #3B5BDB;
  --accent-light: #EDF2FF;
  --accent-hover: #2B4BC6;
  --border: #E4E4E9;
  --shadow-s: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-m: 0 2px 8px rgba(0,0,0,0.06);
  --r-s: 5px;
  --r-m: 8px;
  --r-l: 12px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --mw: 1100px;
  --tr: 0.15s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.65; font-size: 14.5px; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; transition: color var(--tr); }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; height: auto; display: block; }
.wrap { max-width: var(--mw); margin: 0 auto; padding: 0 28px; }

/* ===== HEADER ===== */
.site-header { background: var(--bg-white); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; }
.hd-inner { max-width: var(--mw); margin: 0 auto; padding: 0 28px; display: flex; align-items: center; height: 52px; }
.hd-logo { display: flex; align-items: center; gap: 7px; font-weight: 700; font-size: 16px; color: var(--text); margin-right: 32px; flex-shrink: 0; }
.hd-logo img { height: 24px; width: auto; }
.hd-nav { display: flex; gap: 2px; }
.hd-nav a { font-size: 13px; color: var(--text-sub); padding: 6px 10px; border-radius: var(--r-s); font-weight: 500; transition: all var(--tr); }
.hd-nav a:hover { color: var(--text); background: var(--bg); }
.hd-right { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.hd-lang { display: flex; gap: 2px; }
.hd-lang a { font-size: 11px; color: var(--text-muted); padding: 3px 6px; border-radius: var(--r-s); transition: all var(--tr); }
.hd-lang a:hover, .hd-lang a.active { color: var(--accent); background: var(--accent-light); }
.hd-btn { padding: 5px 14px; background: var(--text); color: #fff; border-radius: var(--r-s); font-size: 12px; font-weight: 600; transition: all var(--tr); }
.hd-btn:hover { background: #333; color: #fff; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle svg { width: 20px; height: 20px; color: var(--text); }

/* ===== BANNER ===== */
.banner { background: linear-gradient(135deg, #2B3A8E 0%, #3B5BDB 100%); color: #fff; padding: 32px 0; }
.banner-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.banner-text h1 { font-size: 24px; font-weight: 700; line-height: 1.25; margin-bottom: 6px; }
.banner-text p { font-size: 13.5px; opacity: 0.82; max-width: 480px; line-height: 1.55; }
.banner-actions { display: flex; gap: 8px; flex-shrink: 0; }
.ba-btn { display: inline-flex; align-items: center; gap: 5px; padding: 9px 18px; border-radius: var(--r-s); font-size: 13px; font-weight: 600; transition: all var(--tr); }
.ba-primary { background: #fff; color: var(--text); }
.ba-primary:hover { background: #f0f0f0; color: var(--text); }
.ba-outline { background: rgba(255,255,255,0.15); color: #fff; border: 1px solid rgba(255,255,255,0.3); }
.ba-outline:hover { background: rgba(255,255,255,0.25); color: #fff; }

/* ===== QUICK BAR ===== */
.quick-bar { background: var(--bg-white); border-bottom: 1px solid var(--border); padding: 10px 0; }
.quick-items { display: flex; gap: 6px; }
.qi { display: inline-flex; align-items: center; gap: 5px; padding: 6px 14px; background: var(--bg); border-radius: 50px; font-size: 12.5px; font-weight: 550; color: var(--text-sub); transition: all var(--tr); }
.qi:hover { background: var(--accent-light); color: var(--accent); }
.qi svg { width: 14px; height: 14px; }

/* ===== HUB LAYOUT ===== */
.hub { display: grid; grid-template-columns: 240px 1fr; gap: 28px; padding-top: 28px; padding-bottom: 56px; }

/* Sidebar */
.hub-side { position: sticky; top: 68px; align-self: start; }
.side-block { background: var(--bg-white); border-radius: var(--r-l); border: 1px solid var(--border); padding: 16px; margin-bottom: 14px; }
.side-title { font-size: 11.5px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 10px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.side-nav a { display: flex; align-items: center; gap: 8px; padding: 7px 8px; font-size: 13px; color: var(--text-sub); border-radius: var(--r-s); transition: all var(--tr); font-weight: 500; }
.side-nav a:hover { background: var(--accent-light); color: var(--accent); }
.side-nav a svg { width: 14px; height: 14px; flex-shrink: 0; }
.side-steps { margin-bottom: 12px; }
.ss { display: flex; align-items: center; gap: 8px; padding: 5px 0; font-size: 12.5px; color: var(--text-sub); }
.ss-n { width: 20px; height: 20px; display: inline-flex; align-items: center; justify-content: center; background: var(--text); color: #fff; font-size: 10px; font-weight: 700; border-radius: 50%; flex-shrink: 0; }
.side-cta { display: block; text-align: center; padding: 7px; background: var(--text); color: #fff; border-radius: var(--r-s); font-size: 12px; font-weight: 600; transition: all var(--tr); }
.side-cta:hover { background: #333; color: #fff; }
.side-dl .side-platforms { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; margin-bottom: 12px; }
.side-platforms span { display: flex; align-items: center; gap: 5px; font-size: 12px; color: var(--text-sub); padding: 4px 0; }
.side-platforms svg { width: 14px; height: 14px; color: var(--text-muted); }

/* Main content */
.hub-main {}
.hm-hd { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.hm-hd h2 { font-size: 17px; font-weight: 700; }
.hm-all { font-size: 12.5px; font-weight: 600; color: var(--accent); }
.post-list {}
.pl-item { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 14px 16px; background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--r-m); margin-bottom: 8px; transition: all var(--tr); }
.pl-item:hover { border-color: var(--accent); box-shadow: var(--shadow-s); color: var(--text); }
.pl-left { flex: 1; min-width: 0; }
.pl-left h3 { font-size: 14px; font-weight: 600; line-height: 1.4; color: var(--text); margin-bottom: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pl-left p { font-size: 12.5px; color: var(--text-muted); line-height: 1.5; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; }
.pl-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; flex-shrink: 0; }
.pl-tag { font-size: 10px; font-weight: 600; padding: 2px 7px; background: var(--accent-light); color: var(--accent); border-radius: 50px; white-space: nowrap; }
.pl-date { font-size: 11px; color: var(--text-muted); }

/* ===== FAQ SECTION ===== */
.faq-sec { padding: 48px 0; background: var(--bg-white); border-top: 1px solid var(--border); }
.faq-heading { font-size: 18px; font-weight: 700; margin-bottom: 20px; }
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.faq-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--r-m); padding: 18px; transition: border-color var(--tr); }
.faq-card:hover { border-color: var(--accent); }
.faq-card-q { font-size: 13.5px; font-weight: 650; margin-bottom: 8px; color: var(--text); }
.faq-card-a { font-size: 12.5px; color: var(--text-sub); line-height: 1.6; }

/* ===== BOTTOM BAR ===== */
.bottom-bar { background: var(--text); padding: 20px 0; }
.bottom-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; color: #fff; }
.bottom-inner strong { font-size: 15px; margin-right: 8px; }
.bottom-inner span { font-size: 13px; opacity: 0.7; }
.bottom-bar .ba-primary { background: #fff; color: var(--text); }
.bottom-bar .ba-primary:hover { background: #eee; color: var(--text); }

/* ===== FOOTER ===== */
.site-footer { padding: 40px 0 24px; border-top: 1px solid var(--border); }
.ft-inner { max-width: var(--mw); margin: 0 auto; padding: 0 28px; }
.ft-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 40px; margin-bottom: 24px; }
.ft-brand { max-width: 280px; }
.ft-brand-name { font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 6px; display: flex; align-items: center; gap: 7px; }
.ft-brand-name img { height: 22px; }
.ft-brand p { font-size: 12px; color: var(--text-muted); line-height: 1.55; }
.ft-cols { display: flex; gap: 40px; }
.ft-col h4 { font-size: 11px; font-weight: 700; color: var(--text-muted); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.05em; }
.ft-col a { display: block; font-size: 12.5px; color: var(--text-sub); padding: 2px 0; transition: color var(--tr); }
.ft-col a:hover { color: var(--accent); }
.ft-risk { background: var(--bg-soft); border-radius: var(--r-m); padding: 12px 16px; font-size: 11px; line-height: 1.5; color: var(--text-muted); margin-bottom: 16px; }
.ft-bottom { font-size: 11px; color: var(--text-muted); padding-top: 12px; border-top: 1px solid var(--border); }

/* ===== SECTION (for other pages) ===== */
.sec { padding: 56px 0; }
.sec-alt { background: var(--bg-white); }
.sec-badge { display: inline-flex; padding: 3px 10px; background: var(--bg-soft); color: var(--text-muted); font-size: 11px; font-weight: 600; border-radius: 50px; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 10px; }
.sec-title { font-size: 24px; font-weight: 700; line-height: 1.2; color: var(--text); margin-bottom: 8px; }
.sec-sub { font-size: 14px; color: var(--text-sub); max-width: 500px; line-height: 1.6; }
.sec-hd { text-align: center; margin-bottom: 36px; }
.sec-hd .sec-sub { margin: 0 auto; }

/* ===== CATEGORIES (tags page) ===== */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.cat-card { display: flex; align-items: center; gap: 10px; background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--r-m); padding: 14px; transition: all var(--tr); }
.cat-card:hover { border-color: var(--accent); color: var(--text); }
.cat-icon { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; background: var(--accent-light); color: var(--accent); border-radius: var(--r-s); flex-shrink: 0; }
.cat-icon svg { width: 16px; height: 16px; }
.cat-name { font-size: 13px; font-weight: 600; color: var(--text); }

/* ===== ARTICLES (posts listing) ===== */
.art-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.art-card { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--r-m); padding: 18px; transition: all var(--tr); display: flex; flex-direction: column; }
.art-card:hover { border-color: var(--accent); color: var(--text); }
.art-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.art-tag { font-size: 10px; font-weight: 600; padding: 2px 7px; background: var(--accent-light); color: var(--accent); border-radius: 50px; }
.art-date { font-size: 11px; color: var(--text-muted); }
.art-card h3 { font-size: 14px; font-weight: 600; line-height: 1.4; color: var(--text); margin-bottom: 4px; }
.art-excerpt { font-size: 12.5px; color: var(--text-sub); line-height: 1.5; flex: 1; }
.art-more { display: inline-flex; align-items: center; gap: 3px; font-size: 12px; font-weight: 600; color: var(--accent); margin-top: 8px; }
.art-more svg { width: 12px; height: 12px; }
.view-all { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; font-weight: 600; color: var(--accent); margin-top: 20px; }

/* ===== POST ===== */
.post-wrap { display: grid; grid-template-columns: 1fr 240px; gap: 28px; padding: 28px 0 56px; }
.post-title { font-size: 24px; font-weight: 700; line-height: 1.3; margin-bottom: 12px; }
.post-info { display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--text-muted); margin-bottom: 24px; }
.post-info span { display: flex; align-items: center; gap: 3px; }
.post-body { font-size: 15px; line-height: 1.8; }
.post-body h2 { font-size: 18px; font-weight: 700; margin: 28px 0 10px; padding-bottom: 6px; border-bottom: 2px solid var(--accent-light); }
.post-body h3 { font-size: 16px; font-weight: 600; margin: 20px 0 8px; }
.post-body p { margin-bottom: 12px; }
.post-body img { border-radius: var(--r-m); margin: 14px 0; }
.post-body ul, .post-body ol { margin: 8px 0 12px 20px; }
.post-body li { margin-bottom: 4px; }
.post-body strong { color: var(--text); }
.post-body a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.post-body blockquote { border-left: 3px solid var(--accent); background: var(--accent-light); padding: 12px 16px; margin: 14px 0; border-radius: 0 var(--r-s) var(--r-s) 0; font-size: 13.5px; color: var(--text-sub); }
.post-body code { background: var(--bg-soft); padding: 1px 5px; border-radius: 3px; font-size: 13px; }
.post-body pre { background: var(--text); color: #ddd; padding: 16px; border-radius: var(--r-m); overflow-x: auto; margin: 14px 0; }
.post-body pre code { background: none; padding: 0; color: inherit; }

/* Sidebar */
.post-side { position: sticky; top: 68px; }
.sb { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--r-m); padding: 16px; margin-bottom: 12px; }
.sb-title { font-size: 12px; font-weight: 700; margin-bottom: 10px; padding-bottom: 6px; border-bottom: 1px solid var(--border); color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.03em; }
.toc-list { list-style: none; }
.toc-list li { padding: 3px 0; }
.toc-list a { font-size: 12px; color: var(--text-sub); display: block; padding: 1px 0 1px 10px; border-left: 2px solid transparent; transition: all var(--tr); }
.toc-list a:hover { color: var(--accent); border-left-color: var(--accent); }
.toc-list .toc-h3 { padding-left: 20px; }
.sb-cat-list { list-style: none; }
.sb-cat-list li a { display: flex; justify-content: space-between; padding: 5px 0; font-size: 12px; color: var(--text-sub); border-bottom: 1px solid var(--border); }
.sb-cat-list li:last-child a { border-bottom: none; }
.sb-cat-list li a:hover { color: var(--accent); }
.sb-post-list { list-style: none; }
.sb-post-list li { padding: 5px 0; border-bottom: 1px solid var(--border); }
.sb-post-list li:last-child { border-bottom: none; }
.sb-post-list a { font-size: 12px; color: var(--text-sub); line-height: 1.4; }
.sb-post-list a:hover { color: var(--accent); }

/* Breadcrumb */
.bc { padding: 12px 0; font-size: 12px; }
.bc a { color: var(--text-muted); }
.bc a:hover { color: var(--accent); }
.bc span { color: var(--text-muted); margin: 0 4px; }

/* ===== PAGINATION ===== */
.pg { display: flex; align-items: center; justify-content: center; gap: 4px; margin-top: 28px; flex-wrap: wrap; }
.pg a, .pg span { display: inline-flex; align-items: center; justify-content: center; min-width: 32px; height: 32px; padding: 0 8px; border-radius: var(--r-s); font-size: 12.5px; font-weight: 500; border: 1px solid var(--border); color: var(--text-sub); transition: all var(--tr); }
.pg a:hover { border-color: var(--accent); color: var(--accent); }
.pg .active { background: var(--text); color: #fff; border-color: var(--text); }
.pg .disabled { opacity: 0.3; pointer-events: none; }

/* ===== TAG/CATEGORY ===== */
.tag-hd { text-align: center; padding: 32px 0 24px; }
.tag-hd h1 { font-size: 22px; font-weight: 700; margin-bottom: 4px; }
.tag-count { font-size: 12.5px; color: var(--text-muted); }
.tags-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 40px; }
.tags-card { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--r-m); padding: 16px; display: flex; align-items: center; gap: 12px; transition: all var(--tr); }
.tags-card:hover { border-color: var(--accent); color: var(--text); }
.tags-icon { width: 40px; height: 40px; background: var(--accent-light); color: var(--accent); border-radius: var(--r-m); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.tags-icon svg { width: 20px; height: 20px; }
.tags-name { font-size: 13.5px; font-weight: 600; }
.tags-cnt { font-size: 11px; color: var(--text-muted); margin-top: 1px; }

/* ===== PAGE (about, disclaimer, download) ===== */
.pg-content { max-width: var(--mw); margin: 0 auto; padding: 32px 28px 56px; }
.pg-content h1 { font-size: 24px; font-weight: 700; margin-bottom: 6px; }
.pg-content .pg-sub { font-size: 13.5px; color: var(--text-sub); margin-bottom: 28px; }
.pg-content h2 { font-size: 18px; font-weight: 650; margin: 28px 0 10px; }
.pg-content h3 { font-size: 16px; font-weight: 600; margin: 20px 0 8px; }
.pg-content p { margin-bottom: 12px; line-height: 1.7; color: var(--text-sub); font-size: 14px; }
.pg-content ul, .pg-content ol { margin: 8px 0 12px 20px; color: var(--text-sub); font-size: 14px; }
.pg-content li { margin-bottom: 4px; line-height: 1.6; }

/* Download landing page */
.dl-hero { text-align: center; padding: 16px 0 32px; }
.dl-hero h1 { font-size: 26px; font-weight: 700; margin-bottom: 8px; }
.dl-hero-sub { font-size: 14px; color: var(--text-sub); margin-bottom: 20px; }
.dl-hero-btns { display: flex; gap: 8px; justify-content: center; }
.dl-platforms { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 0 0 20px; }
.dl-plat-card { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--r-l); padding: 24px; display: flex; flex-direction: column; transition: border-color var(--tr); }
.dl-plat-card:hover { border-color: var(--accent); }
.dl-plat-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.dl-plat-icon { font-size: 32px; flex-shrink: 0; }
.dl-plat-head h2 { font-size: 17px; font-weight: 650; margin: 0; }
.dl-plat-tag { display: inline-block; font-size: 10px; font-weight: 600; padding: 2px 7px; background: var(--accent-light); color: var(--accent); border-radius: 50px; margin-top: 2px; }
.dl-plat-card p { font-size: 13px; color: var(--text-sub); line-height: 1.55; margin-bottom: 14px; }
.dl-plat-steps { margin-bottom: 12px; }
.dl-plat-step { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--text-sub); padding: 5px 0; }
.dl-plat-step span { display: inline-flex; align-items: center; justify-content: center; width: 18px; height: 18px; background: var(--bg-soft); color: var(--text-muted); font-size: 10px; font-weight: 700; border-radius: 50%; flex-shrink: 0; }
.dl-plat-info { font-size: 11px; color: var(--text-muted); margin-bottom: 14px; padding-top: 8px; border-top: 1px solid var(--border); }
.dl-plat-card .dl-btn { margin-top: auto; align-self: flex-start; }
.dl-web-bar { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--r-l); padding: 20px 24px; margin-bottom: 20px; }
.dl-web-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.dl-web-bar h3 { font-size: 15px; font-weight: 650; margin: 0 0 3px; }
.dl-web-bar p { font-size: 13px; color: var(--text-sub); margin: 0; }
.dl-section-title { margin: 32px 0 16px; }
.dl-section-title h2 { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.dl-section-title p { font-size: 13.5px; color: var(--text-sub); line-height: 1.55; margin: 0; }
.dl-geo-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 20px; }
.dl-geo-card { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--r-m); padding: 18px; }
.dl-geo-card h3 { font-size: 14px; font-weight: 650; margin: 0 0 6px; }
.dl-geo-card p { font-size: 12.5px; color: var(--text-sub); line-height: 1.6; margin: 0; }
.dl-safety-list { margin-bottom: 24px; }
.dl-safety-item { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.dl-safety-item:first-child { border-top: 1px solid var(--border); }
.dl-safety-icon { font-size: 22px; flex-shrink: 0; padding-top: 1px; }
.dl-safety-item h4 { font-size: 13.5px; font-weight: 650; margin: 0 0 3px; }
.dl-safety-item p { font-size: 12.5px; color: var(--text-sub); line-height: 1.55; margin: 0; }
.dl-legal { background: var(--bg-soft); border-radius: var(--r-l); padding: 20px 24px; margin: 24px 0 12px; }
.dl-legal h3 { font-size: 14px; font-weight: 650; margin: 0 0 12px; }
.dl-legal-content p { font-size: 12px; color: var(--text-muted); line-height: 1.6; margin-bottom: 8px; }
.dl-legal-content p:last-child { margin-bottom: 0; }
.dl-btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 18px; background: var(--text); color: #fff; border-radius: var(--r-s); font-weight: 600; font-size: 13px; transition: all var(--tr); }
.dl-btn:hover { background: #333; color: #fff; }
.dl-warn { background: #FFFBEB; border-radius: var(--r-m); padding: 12px 16px; margin: 12px 0; font-size: 12.5px; color: #92660C; line-height: 1.5; }

/* ===== 404 ===== */
.err-page { text-align: center; padding: 80px 28px; }
.err-page h1 { font-size: 56px; font-weight: 700; color: var(--text-muted); margin-bottom: 10px; }
.err-page h2 { font-size: 20px; font-weight: 600; margin-bottom: 8px; }
.err-page p { color: var(--text-sub); margin-bottom: 24px; }

/* ===== MOBILE NAV ===== */
.mob-nav { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(26,26,46,0.4); z-index: 200; }
.mob-nav.open { display: block; }
.mob-panel { position: absolute; top: 0; right: 0; width: 260px; height: 100%; background: var(--bg-white); padding: 16px; overflow-y: auto; }
.mob-close { background: none; border: none; cursor: pointer; padding: 4px; margin-bottom: 10px; display: flex; }
.mob-panel a { display: block; padding: 9px 0; font-size: 13.5px; color: var(--text); border-bottom: 1px solid var(--border); font-weight: 500; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hub { grid-template-columns: 1fr; }
  .hub-side { position: static; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .side-block { margin-bottom: 0; }
  .banner-inner { flex-direction: column; text-align: center; }
  .banner-actions { justify-content: center; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .art-grid { grid-template-columns: 1fr; }
  .post-wrap { grid-template-columns: 1fr; }
  .post-side { position: static; }
  .tags-grid { grid-template-columns: repeat(2, 1fr); }
  .faq-grid { grid-template-columns: 1fr; }
  .ft-top { flex-direction: column; gap: 20px; }
  .bottom-inner { flex-direction: column; text-align: center; gap: 12px; }
  .dl-platforms { grid-template-columns: 1fr; }
  .dl-geo-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .hd-nav { display: none; }
  .hd-lang { display: none; }
  .nav-toggle { display: block; }
  .banner { padding: 24px 0; }
  .banner-text h1 { font-size: 20px; }
  .banner-actions { flex-direction: column; align-items: center; }
  .quick-items { overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; }
  .hub-side { grid-template-columns: 1fr; }
  .sec { padding: 36px 0; }
  .sec-title { font-size: 20px; }
  .cat-grid { grid-template-columns: 1fr; }
  .tags-grid { grid-template-columns: 1fr; }
  .ft-cols { flex-direction: column; gap: 16px; }
  .ft-bottom { text-align: center; }
  .post-title { font-size: 20px; }
  .pg a, .pg span { min-width: 28px; height: 28px; font-size: 11.5px; }
  .wrap, .hd-inner, .ft-inner, .pg-content { padding-left: 16px; padding-right: 16px; }
  .dl-hero-btns { flex-direction: column; align-items: center; }
  .dl-web-inner { flex-direction: column; text-align: center; }
  .dl-legal { padding: 16px; }
}

.text-center { text-align: center; }
