/* 莫兰迪色系 - 优雅深色 */
:root {
    --morandi-bg: #2a2e35;
    --morandi-surface: #353a44;
    --morandi-card: #40465300;
    --morandi-primary: #8b9d9e;
    --morandi-accent: #b8a78d;
    --morandi-text: #e8e6e1;
    --morandi-text-muted: #a8a39a;
    --morandi-border: #4a4f5a;
    --morandi-warm: #c4a484;
    --morandi-cool: #7d8b9a;
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--morandi-bg);
    color: var(--morandi-text);
    line-height: 1.6;
}

nav {
    background: var(--morandi-surface);
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--morandi-border);
    position: sticky; top: 0; z-index: 100;
}
.nav-container {
    max-width: 1200px; margin: 0 auto;
    display: flex; justify-content: space-between; align-items: center;
}
.brand {
    font-size: 1.5rem; font-weight: 700;
    color: var(--morandi-warm);
    letter-spacing: 1px;
}
.nav-links a {
    color: var(--morandi-text-muted);
    text-decoration: none; margin-left: 2rem;
    transition: color 0.3s;
}
.nav-links a:hover { color: var(--morandi-warm); }

.hero {
    text-align: center;
    padding: 5rem 2rem;
    background: linear-gradient(135deg, var(--morandi-surface) 0%, var(--morandi-bg) 100%);
}
.hero h1 {
    font-size: 3rem; margin-bottom: 1rem;
    color: var(--morandi-warm);
    font-weight: 300; letter-spacing: 2px;
}
.hero p {
    font-size: 1.2rem; color: var(--morandi-text-muted);
    max-width: 600px; margin: 0 auto;
}

.articles {
    max-width: 1200px; margin: 4rem auto;
    padding: 0 2rem;
}
.section-title {
    font-size: 1.8rem; color: var(--morandi-warm);
    margin-bottom: 2rem; padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--morandi-border);
    letter-spacing: 1px;
}
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}
.card {
    background: var(--morandi-surface);
    border: 1px solid var(--morandi-border);
    border-radius: 12px;
    padding: 2rem;
    transition: transform 0.3s, box-shadow 0.3s;
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
    border-color: var(--morandi-warm);
}
.card-tag {
    display: inline-block;
    background: var(--morandi-accent);
    color: var(--morandi-bg);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem; font-weight: 600;
    margin-bottom: 1rem;
}
.card-title {
    font-size: 1.4rem; color: var(--morandi-text);
    margin-bottom: 0.8rem; font-weight: 600;
}
.card-excerpt {
    color: var(--morandi-text-muted);
    font-size: 0.95rem; margin-bottom: 1rem;
}
.card-link {
    color: var(--morandi-warm);
    text-decoration: none; font-weight: 600;
    display: inline-flex; align-items: center;
}
.card-link:hover { color: var(--morandi-accent); }

footer {
    background: var(--morandi-surface);
    text-align: center;
    padding: 2rem;
    color: var(--morandi-text-muted);
    border-top: 1px solid var(--morandi-border);
    margin-top: 4rem;
}

.article-content {
    max-width: 800px; margin: 3rem auto;
    padding: 0 2rem;
}
.article-content h1 {
    font-size: 2.5rem; color: var(--morandi-warm);
    margin-bottom: 1rem; font-weight: 300;
}
.article-content .meta {
    color: var(--morandi-text-muted);
    font-size: 0.9rem; margin-bottom: 2rem;
    padding-bottom: 1rem; border-bottom: 1px solid var(--morandi-border);
}
.article-content h2 {
    color: var(--morandi-warm);
    margin: 2rem 0 1rem; font-size: 1.6rem;
}
.article-content p {
    margin-bottom: 1.2rem; color: var(--morandi-text);
}
.article-content ul, .article-content ol {
    margin: 1rem 0 1.5rem 2rem;
}
.article-content li {
    margin-bottom: 0.5rem;
}
.price-tag {
    background: var(--morandi-warm);
    color: var(--morandi-bg);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-weight: 600;
}