:root {
    --brand: #f5a623;
    --brand-dark: #d8871a;
    --ink: #24292f;
    --muted: #6b7280;
    --line: #eaecef;
}

html { font-size: 15px; }
@media (min-width: 768px) { html { font-size: 16px; } }

body {
    color: var(--ink);
    background: #f7f8fa;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
                 "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

a { color: var(--brand-dark); text-decoration: none; }
a:hover { color: var(--brand); }

.text-brand { color: var(--brand) !important; }
.brand { letter-spacing: .5px; }

.btn-brand { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn-brand:hover { background: var(--brand-dark); border-color: var(--brand-dark); color: #fff; }
.btn-outline-brand { color: var(--brand-dark); border-color: var(--brand); }
.btn-outline-brand:hover { background: var(--brand); color: #fff; }

/* 卡片 */
.card-article {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    transition: box-shadow .18s ease, transform .18s ease;
}
.card-article:hover {
    box-shadow: 0 6px 22px rgba(15, 23, 42, .08);
    transform: translateY(-2px);
}
.card-article .card-title a { color: var(--ink); }
.card-article .card-title a:hover { color: var(--brand-dark); }

.card-panel {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
}
.card-panel .panel-title {
    font-size: 1rem;
    font-weight: 600;
    border-bottom: 1px solid var(--line);
    padding: .75rem 1rem;
    margin: 0;
}

.tag-chip {
    display: inline-block;
    font-size: .78rem;
    padding: .15rem .55rem;
    border-radius: 999px;
    background: #fff7e6;
    color: var(--brand-dark);
    border: 1px solid #ffe4b3;
}

.meta { color: var(--muted); font-size: .875rem; }

/* 文章正文 */
.markdown-body {
    line-height: 1.85;
    font-size: 1.02rem;
    word-wrap: break-word;
}
.markdown-body h1, .markdown-body h2, .markdown-body h3, .markdown-body h4 {
    margin: 1.8rem 0 1rem;
    font-weight: 700;
    line-height: 1.4;
}
.markdown-body h1 { font-size: 1.7rem; }
.markdown-body h2 { font-size: 1.4rem; padding-bottom: .35rem; border-bottom: 1px solid var(--line); }
.markdown-body h3 { font-size: 1.18rem; }
.markdown-body p { margin: 0 0 1rem; }
.markdown-body ul, .markdown-body ol { margin: 0 0 1rem; padding-left: 1.5rem; }
.markdown-body li { margin-bottom: .35rem; }
.markdown-body blockquote {
    margin: 1rem 0;
    padding: .6rem 1rem;
    border-left: 4px solid var(--brand);
    background: #fffaf0;
    color: #555;
}
.markdown-body pre {
    background: #1f2430;
    color: #e6e6e6;
    padding: 1rem;
    border-radius: 10px;
    overflow-x: auto;
    font-size: .9rem;
    line-height: 1.6;
}
.markdown-body code {
    background: #f2f4f7;
    padding: .12rem .38rem;
    border-radius: 4px;
    font-size: .9em;
}
.markdown-body pre code { background: transparent; padding: 0; color: inherit; }
.markdown-body img { max-width: 100%; height: auto; border-radius: 8px; margin: .5rem 0; }
.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: .95rem;
}
.markdown-body th, .markdown-body td {
    border: 1px solid var(--line);
    padding: .5rem .7rem;
}
.markdown-body th { background: #fafbfc; }
.markdown-body hr { border: 0; border-top: 1px solid var(--line); margin: 2rem 0; }

/* 后台 */
.admin-shell { background: #f5f6f8; }
.admin-nav {
    background: #fff;
    border-bottom: 1px solid var(--line);
}
.admin-nav .navbar-brand { font-weight: 700; }
.stat-card {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    padding: 1rem 1.2rem;
}
.stat-card .stat-value { font-size: 1.8rem; font-weight: 700; line-height: 1.2; }
.stat-card .stat-label { color: var(--muted); font-size: .85rem; }

.editor-toolbar .btn { --bs-btn-padding-y: .2rem; --bs-btn-padding-x: .55rem; }
#Content { font-family: Consolas, "SFMono-Regular", Menlo, monospace; font-size: .93rem; }

/* 分页 */
.pagination .page-link { color: var(--brand-dark); }
.pagination .active .page-link { background: var(--brand); border-color: var(--brand); }