/*
Theme Name: YYY Technology Theme
Theme URI: https://www.7yit.com
Author: 优易云
Author URI: https://www.7yit.com
Description: 7YIT优易云官方主题 - AI/IoT/嵌入式/数字化解决方案
Version: 3.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: yyy-theme
*/

/* ─── 基础样式 ──────────────────────────────── */
* { box-sizing: border-box; }

/* ─── 卡片悬停效果 ──────────────────────────── */
.card-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

/* ─── 导航下拉菜单 ──────────────────────────── */
.nav-dropdown {
    display: none;
}
/* PC端导航项横排 */
@media (min-width: 1024px) {
    nav > li {
        display: inline-block;
        position: relative;
    }
    /* hover显示子菜单 */
    nav li.menu-item-has-children:hover > .nav-dropdown {
        display: block;
    }
}
/* 移动端默认展开所有子菜单 */
@media (max-width: 1023px) {
    .mobile-menu .nav-dropdown,
    .mobile-menu .sub-menu {
        display: block !important;
        position: static !important;
        box-shadow: none !important;
        border: none !important;
        margin: 0 !important;
        width: 100% !important;
        background: transparent !important;
    }
    .mobile-menu .nav-dropdown a,
    .mobile-menu .sub-menu a {
        padding-left: 2rem;
    }
    .mobile-menu .menu-item-has-children > a[href="#"] {
        pointer-events: none;
    }
}

/* ─── 移动端菜单 ────────────────────────────── */
.mobile-menu {
    display: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}
.mobile-menu.open {
    display: block;
    max-height: 500px;
}

/* ─── 面包屑 ────────────────────────────────── */
.breadcrumb a:hover {
    color: #2563eb;
}

/* ─── 代码块 ────────────────────────────────── */
pre, code {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

/* ─── 文本截断 ──────────────────────────────── */
.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ─── 平滑滚动 ──────────────────────────────── */
html {
    scroll-behavior: smooth;
}

/* ─── 选中文字颜色 ──────────────────────────── */
::selection {
    background-color: #2563eb;
    color: white;
}