* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: #F5F5F7;
  color: #1A1A1A;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

::selection { background: rgba(0,87,255,0.12); color: #0057FF; }

/* ===== HEADER ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245,245,247,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.header-inner {
  max-width: 1200px; margin: 0 auto;
  padding: 0 24px; height: 80px;
  display: flex; align-items: center; justify-content: space-between;
}
.site-logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: #1A1A1A;
}
.logo-dot {
  width: 10px; height: 10px; background: #0057FF; border-radius: 50%;
  display: inline-block; transition: transform 0.3s;
}
.site-logo:hover .logo-dot { transform: scale(1.25); }
.logo-text {
  font-size: 1.25rem; font-weight: 800; letter-spacing: -0.03em;
  text-transform: uppercase;
}
.lang-switch {
  display: flex; gap: 4px; align-items: center;
  font-size: 0.7rem; font-weight: 600; color: #6E6E73;
}
.lang-switch button {
  background: none; border: 1px solid rgba(26,26,26,0.08);
  border-radius: 4px; padding: 2px 6px; cursor: pointer;
  font-size: 0.65rem; color: #6E6E73; transition: all 0.2s;
}
.lang-switch button:hover { border-color: #0057FF; color: #0057FF; }

.header-line {
  height: 2px; background: #0057FF; width: 100%;
  position: relative; z-index: 40;
}

/* ===== HERO ===== */
.hero {
  max-width: 1200px; margin: 0 auto; padding: 48px 24px 64px;
}
.hero h1 {
  font-size: 3.5rem; font-weight: 900; color: #1A1A1A;
  letter-spacing: -0.04em; line-height: 1.1; margin-bottom: 20px;
}
.hero p {
  font-size: 1.2rem; color: #6E6E73; font-weight: 300;
  max-width: 600px; line-height: 1.6;
}

/* ===== CATEGORY NAV ===== */
.cat-bar {
  max-width: 1200px; margin: -16px auto 0; padding: 0 24px 32px;
  display: flex; gap: 8px; flex-wrap: wrap;
}
.cat-bar a {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px; border-radius: 20px;
  font-size: 0.8rem; font-weight: 600; text-decoration: none;
  color: #6E6E73; border: 1px solid rgba(26,26,26,0.08);
  background: rgba(255,255,255,0.5);
  transition: all 0.25s;
}
.cat-bar a:hover, .cat-bar a.active { border-color: #0057FF; color: #0057FF; background: rgba(0,87,255,0.06); }
.cat-bar .cat-dot { width: 6px; height: 6px; border-radius: 50%; display: inline-block; }

/* ===== MAIN LAYOUT ===== */
.page {
  max-width: 1200px; margin: 0 auto; padding: 0 24px 40px;
  display: grid; grid-template-columns: 1fr 320px; gap: 48px;
}

/* ===== ARTICLES SECTION ===== */
.articles-header {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 16px; border-bottom: 1px solid rgba(26,26,26,0.06); margin-bottom: 32px;
}
.articles-header h2 { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; }
.articles-header span { font-size: 0.8rem; color: #6E6E73; font-weight: 300; }
.articles-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }

/* ===== ARTICLE CARD ===== */
.card {
  background: #fff; border-radius: 16px; overflow: hidden;
  border: 1px solid rgba(26,26,26,0.06);
  position: relative;
  transition: all 0.4s cubic-bezier(.16,1,.3,1);
  box-shadow: 0 4px 20px rgba(0,0,0,0.02), 0 2px 6px rgba(0,0,0,0.02);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.04);
}
.card::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 4px; background: #0057FF; z-index: 2;
  transform: scaleY(0); transition: transform 0.35s ease;
  transform-origin: center;
}
.card:hover::before { transform: scaleY(1); }
.card a { text-decoration: none; color: inherit; display: flex; flex-direction: column; height: 100%; }
.card-img {
  height: 200px; overflow: hidden; background: #e8ecf2; position: relative;
}
.card-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.7s ease-out;
  filter: grayscale(0.6) saturate(0.7);
}
.card:hover .card-img img { transform: scale(1.05); filter: grayscale(0) saturate(1); }
.card-img::after {
  content: ''; position: absolute; inset: 0;
  background: rgba(0,87,255,0.08); mix-blend-mode: multiply;
  transition: opacity 0.3s; pointer-events: none;
}
.card:hover .card-img::after { opacity: 0; }
.card-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.card-meta {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.75rem; color: #6E6E73; font-weight: 300; margin-bottom: 12px;
}
.card-meta .dot { width: 4px; height: 4px; background: rgba(26,26,26,0.15); border-radius: 50%; }
.card-cat {
  font-size: 0.65rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.04em; padding: 2px 8px; border-radius: 4px;
  display: inline-block; margin-bottom: 8px; background: rgba(0,87,255,0.06); color: #0057FF; opacity: 0.8;
}
.card h3 {
  font-size: 1.05rem; font-weight: 700; line-height: 1.3; margin-bottom: 8px;
  transition: color 0.25s;
}
.card:hover h3 { color: #0057FF; }
.card-excerpt {
  font-size: 0.8rem; color: #6E6E73; font-weight: 300;
  line-height: 1.6; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.card-read {
  display: flex; align-items: center; gap: 4px;
  font-size: 0.75rem; font-weight: 600; color: #0057FF; margin-top: 16px;
  padding-top: 12px; border-top: 1px solid rgba(26,26,26,0.06);
}
.card-read svg { width: 14px; height: 14px; transition: transform 0.25s; }
.card:hover .card-read svg { transform: translateX(4px); }

/* ===== AD BANNER ===== */
.ad-banner {
  background: #F0F2F5; border-radius: 12px;
  display: flex; align-items: center; justify-content: center; flex-direction: column;
  text-align: center; color: #8E8E93; font-size: 0.7rem; font-weight: 300;
  overflow: hidden; width: 100%;
}
.ad-label { text-transform: uppercase; letter-spacing: 0.05em; opacity: 0.4; font-size: 0.55rem; margin-bottom: 4px; }
.ad-sidebar { min-height: 250px; }
.ad-grid { min-height: 90px; margin-bottom: 24px; }
.ad-content { min-height: 90px; margin: 32px 0; }
.ad-sticky {
  display: none;
}

/* ===== SIDEBAR ===== */
.sidebar { display: flex; flex-direction: column; gap: 24px; position: sticky; top: 100px; align-self: start; }

.widget {
  background: #fff; border-radius: 16px; padding: 24px;
  border: 1px solid rgba(26,26,26,0.06);
}
.widget-title {
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; margin-bottom: 16px; color: #1A1A1A;
}

/* ===== AUTHOR ===== */
.author-card { text-align: center; }
.author-avatar {
  width: 80px; height: 80px; border-radius: 50%; overflow: hidden;
  margin: 0 auto 16px; border: 2px solid #fff;
  box-shadow: 0 0 0 4px rgba(0,87,255,0.1);
}
.author-avatar img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1); }
.author-label {
  font-size: 0.65rem; font-weight: 600; color: #0057FF;
  text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 4px;
}
.author-name { font-size: 1.05rem; font-weight: 800; margin-bottom: 8px; }
.author-bio { font-size: 0.75rem; color: #6E6E73; font-weight: 300; line-height: 1.6; margin-bottom: 16px; }
.author-socials { display: flex; justify-content: center; gap: 10px; }
.author-socials a {
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid rgba(0,87,255,0.15); display: flex;
  align-items: center; justify-content: center;
  color: #0057FF; text-decoration: none; transition: all 0.2s;
}
.author-socials a:hover { background: rgba(0,87,255,0.06); border-color: #0057FF; }
.author-socials svg { width: 16px; height: 16px; }

/* ===== POPULAR POSTS ===== */
.popular-item {
  display: flex; gap: 12px; padding: 12px 0;
  border-bottom: 1px solid rgba(26,26,26,0.04);
  text-decoration: none; color: inherit; transition: opacity 0.2s;
}
.popular-item:last-child { border-bottom: none; padding-bottom: 0; }
.popular-item:hover { opacity: 0.7; }
.popular-img { width: 56px; height: 56px; border-radius: 8px; overflow: hidden; flex-shrink: 0; background: #e8ecf2; }
.popular-img img { width: 100%; height: 100%; object-fit: cover; }
.popular-info { flex: 1; min-width: 0; }
.popular-title { font-size: 0.8rem; font-weight: 600; line-height: 1.3; margin-bottom: 4px; display: -webkit-box; -webkit-line-clamp: 2; overflow: hidden; }
.popular-date { font-size: 0.65rem; color: #6E6E73; font-weight: 300; }

/* ===== CATEGORIES WIDGET ===== */
.cat-widget-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 0; border-bottom: 1px solid rgba(26,26,26,0.04);
  text-decoration: none; color: inherit; transition: color 0.2s;
}
.cat-widget-item:last-child { border-bottom: none; padding-bottom: 0; }
.cat-widget-item:hover { color: #0057FF; }
.cat-widget-name { font-size: 0.85rem; font-weight: 500; display: flex; align-items: center; gap: 8px; }
.cat-widget-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; flex-shrink: 0; }
.cat-widget-count { font-size: 0.7rem; color: #6E6E73; font-weight: 300; background: rgba(26,26,26,0.04); padding: 2px 8px; border-radius: 10px; }

/* ===== WEATHER & CURRENCY ===== */
.widget-data { text-align: center; padding: 8px 0; }
.weather-row, .currency-row { display: flex; align-items: center; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid rgba(26,26,26,0.04); }
.weather-row:last-child, .currency-row:last-child { border-bottom: none; }
.weather-temp { font-size: 1.8rem; font-weight: 700; color: #0057FF; }
.weather-city { font-size: 0.8rem; color: #6E6E73; margin-bottom: 4px; }
.weather-desc { font-size: 0.7rem; color: #8E8E93; }
.weather-icon { font-size: 2rem; }
.currency-pair { font-size: 0.85rem; font-weight: 600; }
.currency-rate { font-size: 0.85rem; color: #6E6E73; font-weight: 300; }
.currency-change { font-size: 0.7rem; }
.currency-change.up { color: #059669; }
.currency-change.down { color: #dc2626; }
.widget-loading { font-size: 0.75rem; color: #8E8E93; padding: 16px 0; }

/* ===== SUBSCRIBE ===== */
.subscribe-card h4 { font-size: 0.8rem; font-weight: 700; margin-bottom: 8px; }
.subscribe-card p { font-size: 0.75rem; color: #6E6E73; font-weight: 300; line-height: 1.5; margin-bottom: 16px; }
.subscribe-card input {
  width: 100%; padding: 10px 14px; border-radius: 10px;
  border: 1px solid rgba(26,26,26,0.1); font-size: 0.8rem;
  background: #F5F5F7; margin-bottom: 8px; outline: none; transition: border 0.2s;
}
.subscribe-card input:focus { border-color: #0057FF; }
.subscribe-card button {
  width: 100%; padding: 10px; border-radius: 10px;
  border: none; background: #0057FF; color: #fff;
  font-size: 0.8rem; font-weight: 600; cursor: pointer; transition: all 0.2s;
}
.subscribe-card button:hover { opacity: 0.9; }
.subscribe-card button:active { transform: scale(0.98); }
.subscribe-card button:disabled { opacity: 0.5; cursor: default; }
.subscribe-ok { font-size: 0.75rem; color: #059669; font-weight: 500; display: none; padding: 8px 0; }

/* ===== ARTICLE PAGE ===== */
.article-main {
  background: #fff; border-radius: 16px; padding: 40px;
  border: 1px solid rgba(26,26,26,0.06);
}
.article-back {
  display: inline-block; color: #6E6E73; text-decoration: none;
  font-size: 0.8rem; margin-bottom: 24px; transition: color 0.2s;
}
.article-back:hover { color: #0057FF; }
.article-back svg { width: 14px; height: 14px; display: inline; vertical-align: middle; margin-right: 4px; }
.article-header { margin-bottom: 32px; }
.article-header h1 {
  font-size: 2.4rem; font-weight: 800; letter-spacing: -0.03em;
  line-height: 1.2; margin-bottom: 16px;
}
.article-meta {
  display: flex; align-items: center; gap: 12px;
  color: #6E6E73; font-size: 0.8rem; font-weight: 300; flex-wrap: wrap;
}
.article-meta .dot { width: 4px; height: 4px; background: rgba(26,26,26,0.15); border-radius: 50%; }
.article-cover {
  border-radius: 12px; overflow: hidden; margin-bottom: 40px;
  background: #e8ecf2; position: relative;
}
.article-cover img { width: 100%; max-height: 420px; object-fit: cover; display: block; }
.article-cover::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.1), transparent);
  pointer-events: none;
}
.article-content { font-size: 1.05rem; line-height: 1.8; color: #333; font-weight: 300; }
.article-content h2 {
  font-size: 1.4rem; font-weight: 700; margin-top: 48px; margin-bottom: 16px;
  letter-spacing: -0.02em; color: #1A1A1A;
}
.article-content h3 { font-size: 1.15rem; font-weight: 600; margin-top: 32px; margin-bottom: 12px; color: #1A1A1A; }
.article-content p { margin-bottom: 24px; }
.article-content a { color: #0057FF; text-decoration: underline; text-underline-offset: 2px; }
.article-content blockquote {
  border-left: 4px solid #0057FF; padding: 20px 24px; margin: 32px 0;
  background: rgba(0,87,255,0.04); border-radius: 0 12px 12px 0;
  color: #555; font-style: italic;
}
.article-content ul, .article-content ol { margin: 24px 0; padding-left: 24px; }
.article-content li { margin-bottom: 8px; }
.article-content hr { margin: 48px 0; border: none; border-top: 1px solid rgba(26,26,26,0.06); }
.article-footer {
  margin-top: 48px; padding-top: 24px;
  border-top: 1px solid rgba(26,26,26,0.06);
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.share-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: 20px;
  border: 1px solid rgba(0,87,255,0.15); background: transparent;
  font-size: 0.8rem; color: #0057FF; cursor: pointer;
  transition: all 0.2s;
}
.share-btn:hover { background: rgba(0,87,255,0.06); }
.share-btn svg { width: 14px; height: 14px; }
.reading-progress {
  position: fixed; top: 0; left: 0; height: 3px;
  background: #0057FF; z-index: 200;
  width: 0; transition: width 0.1s linear;
}

/* ===== FOOTER ===== */
.site-footer {
  border-top: 1px solid rgba(26,26,26,0.08);
  background: #fff; padding: 60px 24px 40px; margin-top: 80px;
}
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px;
}
.footer-brand .logo-text { font-size: 1rem; }
.footer-brand p { font-size: 0.8rem; color: #6E6E73; font-weight: 300; line-height: 1.6; margin-top: 12px; }
.footer-col h4 { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }
.footer-col a, .footer-col span {
  display: block; font-size: 0.8rem; color: #6E6E73; font-weight: 300;
  text-decoration: none; margin-bottom: 8px; transition: color 0.2s;
}
.footer-col a:hover { color: #0057FF; }
.footer-bottom {
  max-width: 1200px; margin: 0 auto; padding-top: 24px;
  border-top: 1px solid rgba(26,26,26,0.06);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.7rem; color: #6E6E73; font-weight: 300;
}
.footer-bottom a { color: #6E6E73; text-decoration: none; margin-left: 20px; }
.footer-bottom a:hover { color: #0057FF; }

/* ===== BACK TO TOP ===== */
.back-top {
  position: fixed; bottom: 32px; right: 32px;
  width: 44px; height: 44px; border-radius: 50%;
  background: #fff; border: 1px solid rgba(26,26,26,0.1);
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
  display: flex; align-items: center; justify-content: center;
  text-decoration: none; color: #1A1A1A; font-size: 1.1rem;
  opacity: 0; pointer-events: none; transition: all 0.3s; z-index: 100;
}
.back-top.visible { opacity: 1; pointer-events: auto; }
.back-top:hover { background: #0057FF; color: #fff; border-color: #0057FF; }

/* ===== GOOGLE TRANSLATE FIX ===== */
.goog-te-banner-frame { display: none !important; }
body { top: 0 !important; }
.goog-te-gadget-simple { font-size: 0 !important; }
.goog-te-gadget-simple .goog-te-menu-value span:first-child { display: none; }
.goog-te-gadget-simple .goog-te-menu-value span:nth-child(3) { display: none; }
.goog-te-gadget-simple .goog-te-menu-value span:nth-child(5) { display: none; }
.goog-te-gadget-simple .goog-te-menu-value span:nth-child(4) { display: none; }
.skiptranslate { display: none; }

/* ===== AUTH ===== */
.header-actions { display: flex; align-items: center; gap: 8px; }
.auth-btn {
  display: inline-flex; align-items: center;
  padding: 6px 14px; border-radius: 8px;
  background: #0057FF; color: #fff;
  font-size: 0.75rem; font-weight: 600; text-decoration: none;
  transition: all 0.2s;
}
.auth-btn:hover { opacity: 0.9; }
.auth-btn:active { transform: scale(0.98); }

.auth-page { max-width: 480px; margin: 40px auto 60px; }
.auth-card {
  background: #fff; border-radius: 16px; padding: 40px;
  border: 1px solid rgba(26,26,26,0.06);
  box-shadow: 0 4px 20px rgba(0,0,0,0.02);
}
.auth-tabs {
  display: flex; gap: 4px; margin-bottom: 32px;
  background: #F5F5F7; border-radius: 10px; padding: 4px;
}
.auth-tab {
  flex: 1; padding: 10px; border: none; background: transparent;
  border-radius: 8px; font-size: 0.85rem; font-weight: 600;
  color: #6E6E73; cursor: pointer; transition: all 0.2s;
}
.auth-tab.active { background: #fff; color: #1A1A1A; box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
.auth-form { display: none; }
.auth-form.active { display: block; }
.auth-form h2 { font-size: 1.4rem; font-weight: 800; margin-bottom: 8px; letter-spacing: -0.02em; }
.auth-desc { font-size: 0.85rem; color: #6E6E73; font-weight: 300; margin-bottom: 24px; }
.auth-form label { display: block; font-size: 0.75rem; font-weight: 600; margin-bottom: 6px; color: #1A1A1A; }
.auth-form input {
  width: 100%; padding: 12px 16px; border-radius: 10px;
  border: 1px solid rgba(26,26,26,0.1); font-size: 0.9rem;
  background: #F5F5F7; margin-bottom: 16px; outline: none; transition: all 0.2s;
}
.auth-form input:focus { border-color: #0057FF; background: #fff; }
.auth-submit {
  width: 100%; padding: 12px; border-radius: 10px; border: none;
  background: #0057FF; color: #fff; font-size: 0.9rem; font-weight: 600;
  cursor: pointer; transition: all 0.2s; margin-top: 8px;
}
.auth-submit:hover { opacity: 0.9; }
.auth-submit:active { transform: scale(0.98); }
.auth-submit:disabled { opacity: 0.5; cursor: default; }
.auth-error {
  font-size: 0.8rem; color: #dc2626; margin-bottom: 8px; display: none;
  padding: 8px 12px; background: rgba(220,38,38,0.06); border-radius: 8px;
}
.auth-success {
  font-size: 0.85rem; color: #059669; display: none;
  padding: 12px; background: rgba(5,150,105,0.06); border-radius: 8px; text-align: center;
}

.account-page { max-width: 600px; margin: 40px auto 60px; }
.account-card {
  background: #fff; border-radius: 16px; padding: 40px;
  border: 1px solid rgba(26,26,26,0.06);
}
.account-header {
  display: flex; align-items: center; gap: 16px; margin-bottom: 32px;
  padding-bottom: 24px; border-bottom: 1px solid rgba(26,26,26,0.06);
}
.account-avatar {
  width: 64px; height: 64px; border-radius: 50%; background: #0057FF;
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; font-weight: 700; flex-shrink: 0;
}
.account-info h3 { font-size: 1.1rem; font-weight: 700; }
.account-info p { font-size: 0.8rem; color: #6E6E73; font-weight: 300; }
.account-section { margin-bottom: 24px; }
.account-section h4 {
  font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; margin-bottom: 16px; color: #1A1A1A;
}
.account-section label { display: block; font-size: 0.75rem; font-weight: 600; margin-bottom: 6px; color: #1A1A1A; }
.account-section input {
  width: 100%; padding: 12px 16px; border-radius: 10px;
  border: 1px solid rgba(26,26,26,0.1); font-size: 0.9rem;
  background: #F5F5F7; margin-bottom: 16px; outline: none;
}
.account-section input:focus { border-color: #0057FF; background: #fff; }
.account-btn {
  padding: 10px 20px; border-radius: 10px; border: none;
  background: #0057FF; color: #fff; font-size: 0.85rem; font-weight: 600;
  cursor: pointer; transition: all 0.2s;
}
.account-btn:hover { opacity: 0.9; }
.account-btn:active { transform: scale(0.98); }
.account-btn:disabled { opacity: 0.5; cursor: default; }
.account-btn.danger { background: #dc2626; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .page { gap: 32px; }
  .sidebar { width: 280px; }
  .page { grid-template-columns: 1fr 280px; }
}
@media (max-width: 900px) {
  .page { grid-template-columns: 1fr; }
  .sidebar { position: static; width: auto; }
  .articles-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 2.2rem; }
  .article-header h1 { font-size: 1.6rem; }
  .article-main { padding: 24px; }
}
@media (max-width: 640px) {
  .header-inner { height: 60px; padding: 0 16px; }
  .page { padding: 0 16px; }
  .hero { padding: 24px 16px 32px; }
  .hero h1 { font-size: 1.6rem; }
  .hero p { font-size: 1rem; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .article-header h1 { font-size: 1.3rem; }
  .cat-bar { gap: 4px; }
  .cat-bar a { font-size: 0.7rem; padding: 4px 10px; }
  .ad-sticky {
    display: flex; position: fixed; bottom: 0; left: 0; right: 0;
    height: 50px; background: rgba(255,255,255,0.95);
    border-top: 1px solid rgba(26,26,26,0.08);
    z-index: 150; padding: 4px 16px;
    align-items: center; justify-content: center;
    backdrop-filter: blur(8px);
  }
  .ad-sticky .ad-label { font-size: 0.5rem; }
  body { padding-bottom: 50px; }
  .back-top { bottom: 60px; width: 36px; height: 36px; font-size: 0.9rem; right: 16px; }
}