/* 博客栏目 (blog.html 与 /blog/*.html) 专用样式。
   单独成文件, 避免改动全站共享的 styles.css 及其缓存版本号。 */

.blog-lead { max-width: 840px; padding: 84px 0 4px; }
.blog-lead h1 { margin: 14px 0 0; color: #f7f9fd; font-size: clamp(32px, 5vw, 46px); line-height: 1.12; }
.blog-lead p { margin: 16px 0 0; color: var(--muted); font-size: 15px; line-height: 1.9; }
.blog-lead .page-updated { margin-top: 12px; }

/* 文章列表 */
.blog-list { display: grid; gap: 18px; max-width: 860px; padding: 34px 0 8px; }
.blog-card { display: block; padding: 24px 26px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); text-decoration: none; transition: border-color .18s ease, transform .18s ease; }
.blog-card:hover { border-color: rgba(255, 159, 67, .34); transform: translateY(-2px); }
.blog-card h2 { margin: 10px 0 8px; color: #f2f6fc; font-size: 20px; line-height: 1.45; }
.blog-card p { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.85; }
.blog-card-meta { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; color: #7c8ca4; font-size: 11.5px; letter-spacing: .04em; }
.blog-tag { padding: 3px 9px; border: 1px solid rgba(255, 159, 67, .3); border-radius: 999px; color: var(--accent); font-size: 10.5px; font-weight: 700; letter-spacing: .1em; }
.blog-card-more { display: inline-block; margin-top: 14px; color: var(--accent); font-size: 12.5px; font-weight: 700; }

/* 文章正文 */
.post-wrap { max-width: 840px; padding: 40px 0 70px; }
.post-back { display: inline-block; margin-bottom: 16px; color: var(--muted); font-size: 12.5px; text-decoration: none; }
.post-back:hover { color: var(--accent); }
.post-meta { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; color: #7c8ca4; font-size: 12px; }
.post-body { padding-top: 8px; }
.post-body h2 { margin: 48px 0 14px; color: #f4f7fc; font-size: 24px; line-height: 1.35; scroll-margin-top: 92px; }
.post-body h3 { margin: 30px 0 10px; color: #e6edf8; font-size: 17px; }
.post-body p { margin: 0 0 16px; color: #93a4bc; font-size: 14.5px; line-height: 1.95; }
.post-body ul, .post-body ol { margin: 0 0 18px; padding-left: 22px; color: #93a4bc; font-size: 14.5px; line-height: 1.9; }
.post-body li { margin-bottom: 8px; }
.post-body strong { color: #dce7f7; }
.post-body code { padding: 1px 6px; border-radius: 6px; background: rgba(148, 174, 211, .12); color: #ffd7a8; font-size: 12.8px; }
.post-body a { color: var(--accent); }
.post-body table a { color: inherit; }

/* 代码块 */
.code-block { margin: 0 0 18px; padding: 16px 18px; border: 1px solid var(--line); border-radius: 14px; background: #0b1220; overflow-x: auto; }
.code-block pre { margin: 0; color: #b9c8dd; font-size: 12.6px; line-height: 1.75; font-family: "JetBrains Mono", Consolas, "SF Mono", Menlo, monospace; white-space: pre; }
.code-label { display: block; margin-bottom: 10px; color: #6f8098; font-size: 11px; font-weight: 700; letter-spacing: .12em; }

/* 加固前 / 加固后 并排对比 */
.ba-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 0 0 20px; }
.ba-pane { border: 1px solid var(--line); border-radius: 14px; background: var(--surface); overflow: hidden; }
.ba-pane.before { border-color: rgba(255, 106, 106, .28); }
.ba-pane.after { border-color: rgba(77, 217, 197, .3); }
.ba-head { padding: 10px 16px; border-bottom: 1px solid var(--line); font-size: 11.5px; font-weight: 800; letter-spacing: .1em; }
.ba-pane.before .ba-head { color: #ff8f8f; background: rgba(255, 106, 106, .07); }
.ba-pane.after .ba-head { color: var(--cyan); background: rgba(77, 217, 197, .07); }
.ba-pane .code-block { margin: 0; border: 0; border-radius: 0; background: transparent; }

/* 对比表 */
.compare-wrap { margin: 0 0 20px; border: 1px solid var(--line); border-radius: 16px; overflow-x: auto; }
.compare-table { width: 100%; border-collapse: collapse; min-width: 680px; }
.compare-table th, .compare-table td { padding: 12px 16px; border-bottom: 1px solid var(--line); text-align: left; font-size: 13px; line-height: 1.7; vertical-align: top; }
.compare-table thead th { color: #cfdcf0; font-size: 12px; letter-spacing: .06em; background: rgba(148, 174, 211, .06); }
.compare-table tbody tr:last-child td { border-bottom: 0; }
.compare-table td { color: #93a4bc; }
.compare-table td:first-child { color: #dbe6f6; font-weight: 600; white-space: nowrap; }
.tag-bad { color: #ff8f8f; font-weight: 700; }
.tag-good { color: var(--cyan); font-weight: 700; }
.tag-mid { color: #ffc07c; font-weight: 700; }

/* 提示块 */
.post-note { margin: 0 0 22px; padding: 18px 22px; border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 12px; background: var(--surface); color: #93a4bc; font-size: 13.5px; line-height: 1.9; }
.post-note b { color: #f0f5fc; }

/* 文末 CTA */
.post-cta { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between; margin-top: 54px; padding: 28px; border: 1px solid rgba(255, 159, 67, .26); border-radius: 18px; background: linear-gradient(145deg, rgba(255, 159, 67, .08), rgba(17, 26, 42, .6)); }
.post-cta h2 { margin: 8px 0 6px; color: #f7f9fd; font-size: 20px; }
.post-cta p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.post-cta .primary-cta { display: inline-flex; align-items: center; text-decoration: none; }

@media (max-width: 760px) {
  .blog-lead { padding-top: 52px; }
  .ba-grid { grid-template-columns: 1fr; }
}