*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
    --bg: #0f1117; --card: #1a1d27; --border: #2a2d37;
    --text: #e4e6eb; --muted: #8b8fa3; --accent: #ff6b35;
    --link: #ff8c5a; --green: #4ade80; --radius: 10px;
}
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: var(--bg); color: var(--text); line-height: 1.7; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
a { color: var(--link); text-decoration: none; }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; }

/* Header */
.site-header { background: var(--card); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; padding: 14px 0; }
.site-header .container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.3rem; font-weight: 700; color: var(--text) !important; }
nav { display: flex; gap: 20px; flex-wrap: wrap; }
nav a { font-size: 0.95rem; color: var(--muted); }
nav a:hover { color: var(--accent); }

/* Hero */
.hero { text-align: center; padding: 60px 20px 40px; }
.hero h1 { font-size: 2.2rem; margin-bottom: 12px; }
.hero p { color: var(--muted); font-size: 1.1rem; max-width: 600px; margin: 0 auto 28px; }
.search-box input { width: 100%; max-width: 500px; padding: 12px 20px; border: 1px solid var(--border); border-radius: 25px; background: var(--card); color: var(--text); font-size: 1rem; }

/* Sections */
section { margin-bottom: 50px; }
h2 { font-size: 1.5rem; margin-bottom: 20px; display: flex; align-items: center; gap: 8px; }

/* Cards */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 18px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; transition: border-color .2s; }
.card:hover { border-color: var(--accent); }
.card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.card h3 a { color: var(--text); }
.card p { color: var(--muted); font-size: 0.9rem; margin-bottom: 12px; }
.tag { font-size: 0.75rem; padding: 3px 10px; border-radius: 12px; background: rgba(255,107,53,.15); color: var(--accent); }

/* Categories */
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; }
.cat-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; text-align: center; font-size: 1.05rem; color: var(--text); transition: .2s; }
.cat-card:hover { border-color: var(--accent); transform: translateY(-2px); }

/* Article list */
.article-list { display: flex; flex-direction: column; gap: 10px; }
.article-item { display: flex; align-items: center; gap: 14px; padding: 12px; background: var(--card); border-radius: 8px; border: 1px solid transparent; }
.article-item:hover { border-color: var(--border); }
.article-item .date { color: var(--muted); font-size: 0.85rem; white-space: nowrap; min-width: 85px; }
.article-item a { flex: 1; }

/* Article Page */
.article-page { max-width: 800px; margin: 40px auto; padding: 0 20px; }
.article-page h1 { font-size: 1.8rem; margin-bottom: 8px; }
.article-meta { color: var(--muted); font-size: 0.9rem; margin-bottom: 30px; }
.article-body h2 { font-size: 1.3rem; margin: 30px 0 14px; color: var(--accent); }
.article-body h3 { font-size: 1.1rem; margin: 22px 0 10px; }
.article-body p { margin-bottom: 16px; }
.article-body ul, .article-body ol { margin: 10px 0 16px 24px; }
.article-body li { margin-bottom: 6px; }
.article-body table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 0.9rem; }
.article-body th, .article-body td { padding: 10px 12px; border: 1px solid var(--border); text-align: left; }
.article-body th { background: var(--card); color: var(--accent); }
.article-body strong { color: var(--green); }
.ad-placeholder { background: var(--card); border: 1px dashed var(--border); padding: 20px; text-align: center; color: var(--muted); font-size: 0.85rem; border-radius: 8px; margin: 24px 0; }

/* Footer */
.site-footer { background: var(--card); border-top: 1px solid var(--border); text-align: center; padding: 24px 0; margin-top: 60px; color: var(--muted); font-size: 0.9rem; }

/* Breadcrumb */
.breadcrumb { font-size: 0.9rem; color: var(--muted); margin-bottom: 16px; }
.breadcrumb a { color: var(--muted); }

@media (max-width: 640px) {
    .hero h1 { font-size: 1.5rem; }
    .card-grid { grid-template-columns: 1fr; }
    .cat-grid { grid-template-columns: 1fr 1fr; }
}