.mkaq-hero {
    background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
    color: white;
    padding: 80px 20px;
    border-radius: 0 0 20px 20px;
    text-align: center;
    margin: -20px -20px 40px -20px;
}
.hero-badge {
    background: rgba(255,255,255,0.15);
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    margin-bottom: 20px;
    border: 1px solid rgba(255,255,255,0.3);
}
.mkaq-hero h1 { font-weight: 800; font-size: 2.5rem; margin-bottom: 10px; color: white; }
.search-trigger {
    background: white;
    color: #333;
    max-width: 600px;
    margin: 30px auto;
    padding: 15px 25px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    cursor: text;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    transition: transform 0.2s;
}
.search-trigger:hover { transform: scale(1.02); }
.search-text { flex: 1; text-align: left; margin-left: 10px; color: #666; }
.search-key { border: 1px solid #ddd; padding: 2px 6px; border-radius: 4px; font-size: 0.7rem; color: #999;}
.hero-actions { margin-top: 30px; display: flex; gap: 15px; justify-content: center; }
.btn { padding: 10px 25px; border-radius: 6px; text-decoration: none; font-weight: bold; transition: opacity 0.2s;}
.btn-primary { background: #009688; color: white; }
.btn-secondary { background: rgba(255,255,255,0.1); color: white; border: 1px solid rgba(255,255,255,0.5); }
.btn:hover { opacity: 0.9; }

.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; margin-bottom: 40px; }
.feature-card { background: var(--md-default-bg-color); padding: 25px; border-radius: 12px; border: 1px solid var(--md-default-fg-color--lightest); text-align: center; }
.feature-card .icon { font-size: 2.5rem; margin-bottom: 15px; }

.nav-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 15px; }
.nav-item { display: block; padding: 20px; border: 1px solid var(--md-default-fg-color--lightest); border-radius: 8px; text-decoration: none; transition: all 0.2s; }
.nav-item:hover { border-color: #009688; background: rgba(0,150,136,0.05); }
.nav-item strong { display: block; font-size: 1.1rem; color: var(--md-default-fg-color); }
.nav-item span { font-size: 0.85rem; color: var(--md-default-fg-color--light); }
.mkaq-footer { text-align: center; margin-top: 60px; color: #999; border-top: 1px solid #eee; padding-top: 20px; }


/* ==========================================================================
   界面元素隐藏 (Clean UI)
   ========================================================================== */

/* 1. 隐藏顶部导航栏右侧的 GitHub/仓库 源代码图标 */
.md-header__source {
    display: none !important;
}

/* 2. 隐藏底部的 "Made with Material for MkDocs" 版权信息 */
.md-copyright {
    display: none !important;
}

/* 3. (可选) 如果您想把底部整个黑色的页脚条完全隐藏（包括上一页/下一页按钮下方的区域） */
/* .md-footer-meta { display: none !important; } */