/* ==========================================================================
   COMPLETE REDESIGN - Modern Navigation Site
   ========================================================================== */

/* ========== CSS Reset & Variables ========== */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f7fa;
    --text-primary: #1d1d1f;
    --text-secondary: #6e6e73;
    --border-color: #d2d2d7;
    --accent-color: #0071e3;
    --card-radius: 16px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ========== 全局样式 ========== */
body,
html {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-secondary);
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
}

/* ========== 完全移除侧边栏布局 ========== */
.sidebar-menu,
.sidebar-menu-inner,
.sidebar,
#sidebar-switch,
.header-mini-btn {
    display: none !important;
}

/* 重置页面容器为单列布局 */
.page-container {
    display: block !important;
    background: var(--bg-secondary) !important;
    min-height: 100vh;
}

/* 主内容占满全宽 */
.main-content {
    margin-left: 0 !important;
    margin-right: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    padding: 0 !important;
    flex: none !important;
}

/* ========== 顶部导航栏 - 全新布局 ========== */
.page-header {
    position: sticky !important;
    top: 0;
    z-index: 1000;
    background: #fff !important;
    border: none !important;
    border-bottom: 1px solid #eee !important;
    box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04) !important;
    padding: 0 !important;
}

.page-header .navbar {
    max-width: 1400px;
    margin: 0 auto;
    padding: 12px 40px;
}

.page-header .container-fluid {
    padding: 0 !important;
}

/* Logo */
.page-header .navbar-brand {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary) !important;
    margin-right: 40px;
}

.page-header .navbar-brand img {
    height: 36px;
    width: auto;
}

/* 导航菜单 */
.page-header .navbar-nav {
    display: flex !important;
    align-items: center;
    gap: 4px;
    margin: 0 !important;
}

.page-header .navbar-nav>li {
    list-style: none;
}

.page-header .navbar-nav>li>a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #444 !important;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 10px 16px !important;
    border-radius: 8px;
    transition: all 0.15s ease;
    text-decoration: none !important;
}

.page-header .navbar-nav>li>a:hover {
    background: #f5f5f5 !important;
    color: #1a1a1a !important;
}

.page-header .navbar-nav>li>a i {
    font-size: 1rem;
    opacity: 0.7;
}

/* 隐藏子菜单箭头 */
.page-header .menu-item-has-children::after {
    display: none !important;
}

/* 子菜单 */
.page-header .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
    padding: 8px;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.2s ease;
}

.page-header .menu-item-has-children:hover .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.page-header .sub-menu li a {
    display: block;
    padding: 10px 16px;
    color: #444;
    font-size: 0.9rem;
    border-radius: 8px;
    transition: all 0.15s;
}

.page-header .sub-menu li a:hover {
    background: #f5f5f5;
    color: #1a1a1a;
}

/* 隐藏天气和搜索等不需要的元素 */
.weather,
.go-search-btn {
    display: none !important;
}

/* 一言样式 - 右侧显示 */
#hitokoto {
    display: flex !important;
    align-items: center;
    margin-left: auto;
    padding: 8px 16px;
    font-size: 0.85rem;
    color: #666;
    font-style: italic;
    max-width: 400px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

#hitokoto::before {
    content: '"';
    margin-right: 4px;
    color: #999;
}

#hitokoto::after {
    content: '"';
    margin-left: 4px;
    color: #999;
}

/* ========== 主内容区域 ========== */
#content.content-site {
    max-width: 1400px;
    margin: 0 auto;
    padding: 60px 40px !important;
}

/* ========== 分类标题 - 全新设计 ========== */
.d-flex.flex-fill {
    margin-bottom: 32px !important;
    margin-top: 80px !important;
}

.d-flex.flex-fill:first-child {
    margin-top: 0 !important;
}

h4.text-gray,
.text-gray.text-lg {
    color: var(--text-primary) !important;
    font-size: 2rem !important;
    font-weight: 700 !important;
    letter-spacing: -0.02em;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    display: flex;
    align-items: center;
    gap: 16px;
}

.site-tag {
    font-size: 1.5rem !important;
    color: var(--accent-color) !important;
    opacity: 1 !important;
}

/* ========== 卡片网格 - CSS Grid ========== */
.content-site .row {
    display: grid !important;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* 移除 Bootstrap 的列样式 */
.content-site .row>[class*='col-'] {
    max-width: 100% !important;
    flex: none !important;
    padding: 0 !important;
    width: 100% !important;
}

/* ========== 卡片 - 全新设计 ========== */
.url-card {
    background: var(--bg-primary) !important;
    border: none !important;
    border-radius: var(--card-radius) !important;
    box-shadow: var(--shadow-sm) !important;
    transition: var(--transition) !important;
    overflow: hidden;
    height: auto !important;
}

.url-card:hover {
    transform: translateY(-4px) !important;
    box-shadow: var(--shadow-lg) !important;
}

/* 清除所有内部容器 */
.url-card .url-body,
.url-card .card,
.url-card .card-body,
.url-card a.card {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    margin: 0 !important;
    padding: 0 !important;
    display: block !important;
}

.url-card .url-body {
    padding: 24px !important;
}

/* 卡片内容布局 */
.url-card .url-content {
    display: flex !important;
    align-items: flex-start !important;
    gap: 16px;
}

.url-card .url-img {
    flex-shrink: 0;
    margin: 0 !important;
}

.url-card .url-img img {
    width: 56px !important;
    height: 56px !important;
    border-radius: 14px !important;
    object-fit: cover;
    box-shadow: var(--shadow-sm);
}

.url-card .url-info {
    flex: 1;
    min-width: 0;
}

.url-card .url-info strong,
.url-card .url-info .text-sm strong {
    display: block;
    color: var(--text-primary) !important;
    font-size: 1.1rem !important;
    font-weight: 600;
    margin-bottom: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.url-card .url-info p,
.url-card .text-muted,
.url-card p.text-muted {
    color: var(--text-secondary) !important;
    font-size: 0.9rem !important;
    line-height: 1.5;
    margin: 0 !important;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 隐藏直达按钮 */
.url-card .togo {
    display: none !important;
}

/* ========== 页脚 ========== */
.main-footer {
    background: var(--bg-primary) !important;
    border-top: 1px solid var(--border-color) !important;
    padding: 40px !important;
    text-align: center;
    color: var(--text-secondary);
    margin-top: 80px;
}

.main-footer a {
    color: var(--accent-color);
    transition: var(--transition);
}

.main-footer a:hover {
    opacity: 0.7;
}

/* ========== 友情链接 ========== */
.friendlink.card {
    background: var(--bg-primary) !important;
    border: none !important;
    border-radius: var(--card-radius) !important;
    box-shadow: var(--shadow-sm) !important;
    padding: 24px !important;
}

.friendlink .card-body {
    padding: 0 !important;
}

.friendlink a {
    display: inline-block;
    color: var(--text-secondary);
    padding: 6px 12px;
    margin: 4px;
    border-radius: 8px;
    background: var(--bg-secondary);
    transition: var(--transition);
}

.friendlink a:hover {
    color: var(--accent-color);
    background: rgba(0, 113, 227, 0.1);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    #content.content-site {
        padding: 40px 24px !important;
    }

    h4.text-gray {
        font-size: 1.5rem !important;
    }

    .content-site .row {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 16px !important;
    }
}

@media (max-width: 640px) {
    .page-header {
        padding: 0 16px !important;
    }

    #content.content-site {
        padding: 24px 16px !important;
    }

    h4.text-gray {
        font-size: 1.25rem !important;
    }

    .d-flex.flex-fill {
        margin-top: 48px !important;
    }

    .content-site .row {
        grid-template-columns: 1fr;
        gap: 12px !important;
    }

    .url-card .url-body {
        padding: 16px !important;
    }

    .url-card .url-img img {
        width: 48px !important;
        height: 48px !important;
    }
}

/* ========== 动画效果 ========== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.url-card {
    animation: fadeIn 0.4s ease-out;
}