:root {
    --primary:    #1a5fb4;
    --primary-dk: #0d3d7a;
    --primary-lt: #e8f0fb;
    --accent:     #e67e22;
    --bg:         #f4f7fc;
    --card-bg:    #ffffff;
    --text:       #1e2a3b;
    --text-muted: #6b7c93;
    --border:     #dce6f5;
    --radius:     10px;
    --shadow:     0 2px 12px rgba(26,95,180,.09);
}
body { font-family: 'Noto Sans SC', sans-serif; background: var(--bg); color: var(--text); }

/* Breadcrumb */
.page-breadcrumb {
    background: linear-gradient(135deg, var(--primary-dk) 0%, var(--primary) 100%);
    padding: 14px 0;
}
.page-breadcrumb .breadcrumb { margin: 0; }
.page-breadcrumb .breadcrumb-item,
.page-breadcrumb .breadcrumb-item a {
    color: rgba(255,255,255,.75); font-size: .85rem; text-decoration: none;
}
.page-breadcrumb .breadcrumb-item.active,
.page-breadcrumb .breadcrumb-item + .breadcrumb-item::before { color: #fff; }
.page-breadcrumb .breadcrumb-item a:hover { color: #fff; }

/* Search */
.search-wrap { position: relative; }
.search-wrap input {
    border: 2px solid var(--border); border-radius: 50px;
    padding: .55rem 3rem .55rem 1.25rem; font-size: .9rem; width: 100%; background: #fff;
    transition: border-color .2s;
}
.search-wrap input:focus { outline: none; border-color: var(--primary); }
.search-wrap .btn-search {
    position: absolute; right: 5px; top: 50%; transform: translateY(-50%);
    background: var(--primary); color: #fff; border: none;
    border-radius: 50px; padding: .4rem .85rem; font-size: .85rem; cursor: pointer;
}
.search-wrap .btn-search:hover { background: var(--primary-dk); }

/* Article Card */
.article-card {
    background: var(--card-bg); border-radius: var(--radius);
    box-shadow: var(--shadow); padding: 1.25rem 1.5rem;
    margin-bottom: .85rem; border-left: 4px solid transparent;
    transition: border-color .15s, box-shadow .15s;
}
.article-card:hover { border-left-color: var(--primary); box-shadow: 0 4px 20px rgba(26,95,180,.13); }
.article-card .article-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 1rem; font-weight: 600; color: var(--text); text-decoration: none;
    display: block; margin-bottom: .45rem; line-height: 1.5;
}
.article-card .article-title:hover { color: var(--primary); }
.article-card .article-excerpt {
    font-size: .85rem; color: var(--text-muted); line-height: 1.7;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    margin-bottom: .6rem;
}
.article-meta { display: flex; gap: 1rem; flex-wrap: wrap; }
.article-meta span { font-size: .78rem; color: var(--text-muted); }
.article-meta span i { margin-right: .25rem; color: var(--primary); }

/* Sidebar */
.sidebar-widget {
    background: var(--card-bg); border-radius: var(--radius);
    box-shadow: var(--shadow); padding: 1.1rem 1.25rem; margin-bottom: 1rem;
}
.widget-title {
    font-family: 'Noto Serif SC', serif; font-size: .92rem; font-weight: 700;
    color: var(--text); margin-bottom: .75rem; padding-bottom: .55rem;
    border-bottom: 2px solid var(--border);
    display: flex; justify-content: space-between; align-items: center;
}
.widget-title a { font-size: .75rem; font-weight: 400; color: var(--primary); text-decoration: none; }
.widget-title a:hover { text-decoration: underline; }
.widget-item {
    display: flex; align-items: center; justify-content: space-between;
    padding: .42rem .15rem; border-bottom: 1px dashed var(--border); gap: .5rem;
}
.widget-item:last-child { border-bottom: none; }
.widget-item .w-num {
    display: inline-flex; align-items: center; justify-content: center;
    width: 18px; height: 18px; border-radius: 4px; font-size: .68rem;
    font-weight: 700; flex-shrink: 0;
}
.w-num.top { background: var(--primary); color: #fff; }
.w-num.mid { background: var(--accent); color: #fff; }
.w-num.other { background: #e9ecef; color: var(--text-muted); }
.widget-item a {
    font-size: .82rem; color: var(--text); text-decoration: none; flex: 1; min-width: 0;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.widget-item a:hover { color: var(--primary); }
.nature-badge {
    font-size: .68rem; background: #e8f0fb; color: var(--primary);
    border-radius: 4px; padding: .1rem .4rem; flex-shrink: 0;
}

/* Tag Cloud */
#tagCloud { min-height: 80px; }

/* Pagination */
.pagination .page-link {
    color: var(--primary); border-color: var(--border); border-radius: 6px !important;
    margin: 0 2px; font-size: .85rem;
}
.pagination .page-item.active .page-link { background: var(--primary); border-color: var(--primary); color: #fff; }
.pagination .page-item.disabled .page-link { color: var(--text-muted); }
.pagination .page-link:hover:not(.active) { background: var(--primary-lt); border-color: var(--primary); }

.main-content { padding: 2rem 0 3rem; }
@media (max-width: 767px) { .sidebar-widget { margin-top: 1.5rem; } }