.guide-container { max-width: 1000px; margin: 0 auto; padding: 40px 20px; }
.guide-header { text-align: center; margin-top: 80px; margin-bottom: 50px; }
.guide-header h1 { font-size: 2.8rem; margin-bottom: 20px; background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--accent-color)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.guide-header p { font-size: 1.15rem; color: var(--text-secondary); max-width: 700px; margin: 0 auto; line-height: 1.8; }
.guide-content { display: grid; gap: 30px; }
.guide-card { background: var(--card-background); backdrop-filter: blur(20px); border: 1px solid var(--card-border); border-radius: 24px; padding: 40px; box-shadow: 0 20px 60px var(--shadow-color); }
.guide-card h2 { font-size: 1.8rem; margin-bottom: 20px; color: var(--primary-color); }
.guide-card h3 { font-size: 1.3rem; margin-top: 24px; margin-bottom: 12px; color: var(--text-color); }
.guide-card p { line-height: 1.9; color: var(--text-secondary); margin-bottom: 16px; font-size: 1.02rem; }
.guide-card ul, .guide-card ol { padding-left: 24px; margin-bottom: 16px; }
.guide-card li { line-height: 1.8; color: var(--text-secondary); margin-bottom: 8px; }
.guide-card strong { color: var(--text-color); }
.guide-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-top: 20px; }
.guide-item { background: var(--input-background); border-radius: 16px; padding: 24px; border: 1px solid var(--card-border); }
.guide-item h4 { font-size: 1.1rem; margin-bottom: 10px; color: var(--primary-color); }
.guide-item p { font-size: 0.95rem; margin: 0; }
.toc { background: var(--input-background); border: 1px solid var(--card-border); border-radius: 16px; padding: 24px; margin-bottom: 8px; }
.toc h3 { margin-top: 0; margin-bottom: 12px; color: var(--primary-color); }
.toc ol { padding-left: 24px; }
.toc a { color: var(--primary-color); text-decoration: none; }
.toc a:hover { text-decoration: underline; }
.back-link { display: inline-flex; align-items: center; gap: 8px; color: var(--primary-color); text-decoration: none; font-weight: 600; margin-top: 40px; padding: 12px 24px; background: var(--input-background); border-radius: 12px; transition: all 0.3s ease; }
.back-link:hover { background: rgba(99, 102, 241, 0.2); }
.ad-container { margin: 30px 0; text-align: center; min-height: 90px; }
@media (max-width: 768px) {
    .guide-header h1 { font-size: 2rem; }
    .guide-card { padding: 28px 20px; }
    .guide-grid { grid-template-columns: 1fr; }
}