/* =========================================================
   个人博客模板 — 共享样式表
   设计语言：浅灰蓝底 + 白卡 + 蓝色强调
   ========================================================= */

:root {
  --bg-page: #f3f6fb;
  --bg-card: #ffffff;
  --bg-card-hover: #fafbff;
  --bg-sidebar-card: #ffffff;
  --bg-input: #f5f7fb;
  --bg-tag: #eef3ff;
  --bg-tag-hover: #dde7ff;
  --border-color: #e5eaf2;
  --border-color-strong: #d6deec;
  --text-primary: #1f2937;
  --text-secondary: #4b5563;
  --text-tertiary: #6b7280;
  --text-quaternary: #9ca3af;
  --accent: #3b6eff;
  --accent-hover: #2c5aea;
  --accent-light: #eaf0ff;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 8px 24px rgba(15, 23, 42, 0.08);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --gap-sm: 12px;
  --gap-md: 20px;
  --gap-lg: 32px;
  --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", Georgia, serif;
  --font-mono: "JetBrains Mono", "SF Mono", Consolas, monospace;
  --fs-xs: 12px;
  --fs-sm: 13px;
  --fs-base: 15px;
  --fs-md: 16px;
  --fs-lg: 18px;
  --fs-xl: 22px;
  --fs-2xl: 28px;
  --fs-3xl: 36px;
  --container-width: 1180px;
  --sidebar-width: 300px;
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --z-navbar: 100;
  --z-mobile-menu: 99;
  --z-progress: 101;
  --z-float-btn: 99;
  --z-toast: 200;
}

[data-theme="dark"] {
  --bg-page: #0f172a;
  --bg-card: #1e293b;
  --bg-card-hover: #273349;
  --bg-sidebar-card: #1e293b;
  --bg-input: #273349;
  --bg-tag: #2a3858;
  --bg-tag-hover: #354878;
  --border-color: #2c3a52;
  --border-color-strong: #3b4d6e;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --text-quaternary: #475569;
  --accent: #6085ff;
  --accent-hover: #7c9aff;
  --accent-light: #1e2d55;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.45);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { font-family: var(--font-sans); font-size: var(--fs-base); line-height: 1.7; color: var(--text-primary); background-color: var(--bg-page); min-height: 100vh; transition: background-color var(--transition-base), color var(--transition-base); }
a { color: var(--accent); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea { font-family: inherit; font-size: inherit; }

.container { max-width: var(--container-width); margin: 0 auto; padding: 0 24px; }
.layout { display: grid; grid-template-columns: 1fr var(--sidebar-width); gap: var(--gap-lg); align-items: start; }
@media (max-width: 900px) { .layout { grid-template-columns: 1fr; } }

.navbar { position: sticky; top: 0; z-index: 100; background-color: rgba(255,255,255,0.85); backdrop-filter: saturate(180%) blur(12px); -webkit-backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid var(--border-color); transition: background-color var(--transition-base), border-color var(--transition-base); }
[data-theme="dark"] .navbar { background-color: rgba(15,23,42,0.85); }
.navbar__inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.navbar__logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: var(--fs-lg); color: var(--text-primary); letter-spacing: -0.02em; }
.navbar__logo:hover { color: var(--text-primary); }
.navbar__logo-mark { width: 32px; height: 32px; border-radius: 8px; background: linear-gradient(135deg, var(--accent) 0%, #8aa6ff 100%); display: flex; align-items: center; justify-content: center; color: white; font-weight: 700; font-size: 15px; }
.navbar__logo-img { height: 36px; width: auto; display: block; }
.navbar__nav { display: flex; align-items: center; gap: 4px; }
.navbar__nav a { color: var(--text-secondary); padding: 8px 16px; border-radius: var(--radius-sm); font-size: var(--fs-md); font-weight: 500; transition: all var(--transition-fast); }
.navbar__nav a:hover { color: var(--accent); background-color: var(--accent-light); }
.navbar__nav a.is-active { color: var(--accent); background-color: var(--accent-light); }
.navbar__actions { display: flex; align-items: center; gap: 8px; }
.navbar__search { display: flex; align-items: center; gap: 8px; background-color: var(--bg-input); padding: 6px 12px; border-radius: 999px; width: 200px; transition: all var(--transition-fast); border: 1px solid transparent; }
.navbar__search:focus-within { border-color: var(--accent); background-color: var(--bg-card); box-shadow: 0 0 0 3px var(--accent-light); }
.navbar__search input { background: none; border: none; outline: none; flex: 1; font-size: var(--fs-sm); color: var(--text-primary); }
.navbar__search input::placeholder { color: var(--text-quaternary); }
.navbar__search svg { width: 16px; height: 16px; color: var(--text-tertiary); flex-shrink: 0; }
.navbar__menu-btn { display: none; width: 36px; height: 36px; border-radius: var(--radius-sm); align-items: center; justify-content: center; color: var(--text-secondary); }
.navbar__menu-btn:hover { background-color: var(--accent-light); color: var(--accent); }
.navbar__mobile-menu { display: none; position: absolute; top: 64px; left: 0; right: 0; background-color: var(--bg-card); border-bottom: 1px solid var(--border-color); box-shadow: var(--shadow-md); z-index: var(--z-mobile-menu); padding: 12px 0; animation: slideDown 0.2s ease; }
@keyframes slideDown { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
.navbar__mobile-menu a { display: block; padding: 12px 24px; color: var(--text-secondary); font-size: var(--fs-md); font-weight: 500; transition: all var(--transition-fast); }
.navbar__mobile-menu a:hover, .navbar__mobile-menu a.is-active { color: var(--accent); background-color: var(--accent-light); }
@media (max-width: 768px) {
  .navbar__nav { display: none; }
  .navbar__search { display: none; }
  .navbar__menu-btn { display: flex; }
  .navbar__mobile-menu.is-open { display: block; }
}

.float-buttons { position: fixed; right: 24px; bottom: 24px; z-index: var(--z-float-btn); display: flex; flex-direction: column; gap: 10px; }
.float-btn { width: 48px; height: 48px; border-radius: 50%; background-color: var(--bg-card); box-shadow: var(--shadow-lg); display: flex; align-items: center; justify-content: center; color: var(--text-secondary); transition: all var(--transition-fast); border: 1px solid var(--border-color); opacity: 0; visibility: hidden; transform: translateY(10px); }
.float-btn.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.float-btn:hover { color: var(--accent); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(15,23,42,0.12); }
.float-btn svg { width: 20px; height: 20px; }
[data-theme="dark"] .float-btn:hover { box-shadow: 0 12px 28px rgba(0,0,0,0.5); }

.reading-progress { position: fixed; top: 0; left: 0; width: 100%; height: 3px; z-index: var(--z-progress); background: transparent; pointer-events: none; }
.reading-progress__bar { height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent) 0%, #8aa6ff 100%); transition: width 0.1s linear; }

.filter-banner { display: none; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 18px; background-color: var(--accent-light); border: 1px solid var(--border-color); border-radius: var(--radius-md); margin-bottom: 20px; font-size: var(--fs-sm); color: var(--text-secondary); animation: fadeInUp 0.3s ease; }
.filter-banner.is-visible { display: flex; }
.filter-banner__text strong { color: var(--accent); font-weight: 600; }
.filter-banner__clear { color: var(--accent); font-weight: 500; cursor: pointer; white-space: nowrap; padding: 4px 12px; border-radius: var(--radius-sm); transition: all var(--transition-fast); }
.filter-banner__clear:hover { background-color: var(--bg-card); }
.post-empty { display: none; text-align: center; padding: 60px 20px; color: var(--text-tertiary); font-size: var(--fs-md); }
.post-empty.is-visible { display: block; }
.post-empty__icon { font-size: 48px; margin-bottom: 12px; opacity: 0.5; }

.share-btns { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.share-btn { display: inline-flex; align-items: center; gap: 4px; padding: 4px 10px; border-radius: var(--radius-sm); font-size: var(--fs-xs); color: var(--text-tertiary); font-weight: 500; transition: all var(--transition-fast); cursor: pointer; border: 1px solid var(--border-color); background: transparent; }
.share-btn:hover { color: var(--accent); border-color: var(--accent); background-color: var(--accent-light); }
.share-btn svg { width: 14px; height: 14px; }
.toast { position: fixed; top: 80px; left: 50%; transform: translateX(-50%) translateY(-20px); background-color: var(--text-primary); color: var(--bg-card); padding: 10px 20px; border-radius: var(--radius-md); font-size: var(--fs-sm); z-index: var(--z-toast); opacity: 0; pointer-events: none; transition: all 0.3s ease; box-shadow: var(--shadow-lg); }
.toast.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); }

.post-card { background-color: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 28px 32px; margin-bottom: var(--gap-md); transition: all var(--transition-base); position: relative; box-shadow: var(--shadow-sm); }
.post-card:hover { box-shadow: var(--shadow-md); border-color: var(--border-color-strong); transform: translateY(-1px); }
.post-card--pinned { border-left: 3px solid var(--accent); }
.post-card__pinned-badge { position: absolute; top: 20px; right: 24px; display: inline-flex; align-items: center; gap: 4px; font-size: var(--fs-xs); font-weight: 500; color: var(--accent); background-color: var(--accent-light); padding: 4px 10px; border-radius: 999px; }
.post-card__pinned-badge svg { width: 12px; height: 12px; }
@media (max-width: 640px) {
  .post-card__title { padding-right: 60px; }
  .post-card__pinned-badge { top: 16px; right: 16px; padding: 3px 8px; font-size: 11px; }
  .post-card__pinned-badge svg { width: 10px; height: 10px; }
}
.post-card__title { font-family: var(--font-serif); font-size: var(--fs-xl); font-weight: 600; line-height: 1.4; margin-bottom: 10px; letter-spacing: -0.01em; }
.post-card__title a { color: var(--text-primary); }
.post-card__title a:hover { color: var(--accent); }
.post-card__excerpt { color: var(--text-secondary); font-size: var(--fs-md); line-height: 1.75; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-card__meta { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; color: var(--text-tertiary); font-size: var(--fs-sm); }
.post-card__meta-item { display: inline-flex; align-items: center; gap: 5px; }
.post-card__meta-item svg { width: 14px; height: 14px; }
.post-card__tags { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 8px; }
.tag { display: inline-flex; align-items: center; padding: 4px 12px; font-size: var(--fs-xs); font-weight: 500; color: var(--accent); background-color: var(--bg-tag); border-radius: 999px; transition: all var(--transition-fast); }
.tag:hover { background-color: var(--bg-tag-hover); color: var(--accent-hover); }

.sidebar { position: sticky; top: 88px; display: flex; flex-direction: column; gap: var(--gap-md); }
@media (max-width: 900px) { .sidebar { position: static; } }
.sidebar-card { background-color: var(--bg-sidebar-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow-sm); }
.sidebar-card__title { font-family: var(--font-serif); font-size: var(--fs-md); font-weight: 600; color: var(--text-primary); margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--border-color); display: flex; align-items: center; gap: 8px; }
.sidebar-card__title svg { width: 16px; height: 16px; color: var(--accent); }
.author-card { text-align: center; }
.author-card__avatar-wrap { position: relative; width: 88px; height: 88px; margin: 0 auto 14px; }
.author-card__avatar-wrap::before { content: ""; position: absolute; inset: -3px; border-radius: 50%; background: linear-gradient(135deg, var(--accent) 0%, #9bb6ff 60%, #c9d7ff 100%); z-index: 0; }
.author-card__avatar { position: relative; width: 100%; height: 100%; border-radius: 50%; border: 3px solid var(--bg-card); z-index: 1; object-fit: cover; }
.author-card__name { font-family: var(--font-serif); font-size: var(--fs-lg); font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }
.author-card__bio { font-size: var(--fs-sm); color: var(--text-tertiary); line-height: 1.6; margin-bottom: 16px; }
.author-card__stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; padding-top: 14px; border-top: 1px solid var(--border-color); }
.author-card__stat-item { text-align: center; }
.author-card__stat-num { font-size: var(--fs-md); font-weight: 600; color: var(--text-primary); }
.author-card__stat-label { font-size: var(--fs-xs); color: var(--text-tertiary); }
.search-box { display: flex; gap: 8px; }
.search-box input { flex: 1; padding: 10px 14px; background-color: var(--bg-input); border: 1px solid transparent; border-radius: var(--radius-md); outline: none; font-size: var(--fs-sm); color: var(--text-primary); transition: all var(--transition-fast); }
.search-box input:focus { border-color: var(--accent); background-color: var(--bg-card); box-shadow: 0 0 0 3px var(--accent-light); }
.search-box button { padding: 10px 16px; background-color: var(--accent); color: white; border-radius: var(--radius-md); font-size: var(--fs-sm); font-weight: 500; transition: background-color var(--transition-fast); }
.search-box button:hover { background-color: var(--accent-hover); }
.category-list { display: flex; flex-direction: column; gap: 4px; }
.category-list li { display: flex; align-items: center; justify-content: space-between; padding: 8px 12px; border-radius: var(--radius-sm); transition: all var(--transition-fast); }
.category-list li:hover { background-color: var(--accent-light); }
.category-list a { color: var(--text-secondary); font-size: var(--fs-sm); font-weight: 500; flex: 1; }
.category-list li:hover a { color: var(--accent); }
.category-list__count { font-size: var(--fs-xs); color: var(--text-quaternary); background-color: var(--bg-input); padding: 2px 8px; border-radius: 999px; }
.category-list li:hover .category-list__count { background-color: var(--bg-card); color: var(--accent); }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud__tag { display: inline-flex; align-items: center; padding: 4px 12px; background-color: var(--accent-light); color: var(--accent); border-radius: 999px; font-weight: 500; transition: all var(--transition-fast); }
.tag-cloud__tag:hover { background-color: var(--accent); color: white; }
.link-list { display: flex; flex-direction: column; gap: 4px; }
.link-list li { padding: 8px 12px; border-radius: var(--radius-sm); transition: all var(--transition-fast); }
.link-list li:hover { background-color: var(--accent-light); }
.link-list a { color: var(--text-secondary); font-size: var(--fs-sm); font-weight: 500; }
.link-list li:hover a { color: var(--accent); }
.link-list__empty { color: var(--text-quaternary); font-size: var(--fs-sm); padding: 8px 12px; }

.main-content { padding: 32px 0 64px; }
.page-header { margin-bottom: 28px; }
.page-header__title { font-family: var(--font-serif); font-size: var(--fs-2xl); font-weight: 600; color: var(--text-primary); letter-spacing: -0.02em; margin-bottom: 8px; }
.page-header__desc { color: var(--text-tertiary); font-size: var(--fs-md); }

.pagination { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 32px; }
.pagination a, .pagination span { display: inline-flex; align-items: center; justify-content: center; min-width: 36px; height: 36px; padding: 0 12px; border-radius: var(--radius-sm); font-size: var(--fs-sm); font-weight: 500; color: var(--text-secondary); transition: all var(--transition-fast); }
.pagination a:hover { background-color: var(--accent-light); color: var(--accent); }
.pagination .is-current { background-color: var(--accent); color: white; }
.pagination .is-disabled { color: var(--text-quaternary); cursor: not-allowed; }

.article { background-color: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 40px 48px; box-shadow: var(--shadow-sm); }
@media (max-width: 640px) { .article { padding: 28px 24px; } }
.article__header { margin-bottom: 32px; padding-bottom: 28px; border-bottom: 1px solid var(--border-color); }
.article__title { font-family: var(--font-serif); font-size: var(--fs-3xl); font-weight: 600; line-height: 1.3; color: var(--text-primary); letter-spacing: -0.02em; margin-bottom: 18px; }
.article__meta { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; color: var(--text-tertiary); font-size: var(--fs-sm); }
.article__meta-item { display: inline-flex; align-items: center; gap: 6px; }
.article__meta-item svg { width: 14px; height: 14px; }
.article__tags { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px; }
.article__content { font-family: var(--font-serif); font-size: var(--fs-md); line-height: 1.9; color: var(--text-primary); }
.article__content p { margin-bottom: 1.2em; text-align: justify; }
.article__content h2 { font-family: var(--font-serif); font-size: var(--fs-xl); font-weight: 600; margin: 2em 0 0.8em; color: var(--text-primary); letter-spacing: -0.01em; }
.article__content h3 { font-family: var(--font-serif); font-size: var(--fs-lg); font-weight: 600; margin: 1.6em 0 0.6em; color: var(--text-primary); }
.article__content blockquote { margin: 1.6em 0; padding: 14px 20px; border-left: 3px solid var(--accent); background-color: var(--accent-light); color: var(--text-secondary); border-radius: 0 var(--radius-md) var(--radius-md) 0; }
.article__content blockquote p { margin-bottom: 0; }
.article__content ul, .article__content ol { margin: 1.2em 0; padding-left: 1.8em; }
.article__content ul li { list-style: disc; margin-bottom: 0.4em; }
.article__content ol li { list-style: decimal; margin-bottom: 0.4em; }
.article__content code { font-family: var(--font-mono); font-size: 0.9em; padding: 2px 6px; background-color: var(--bg-input); border-radius: 4px; color: #d6336c; }
[data-theme="dark"] .article__content code { color: #ff8ab0; }
.article__content pre { margin: 1.6em 0; padding: 18px 22px; background-color: #1e293b; border-radius: var(--radius-md); overflow-x: auto; }
.article__content pre code { background: none; padding: 0; color: #e2e8f0; font-size: 13px; line-height: 1.6; }
.article__content img { border-radius: var(--radius-md); margin: 1.6em auto; }
.article__footer { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.article__footer-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.article__nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
@media (max-width: 640px) { .article__nav { grid-template-columns: 1fr; } }
.article__nav-item { padding: 18px 22px; background-color: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); transition: all var(--transition-fast); }
.article__nav-item:hover { border-color: var(--accent); box-shadow: var(--shadow-md); }
.article__nav-item--next { text-align: right; }
.article__nav-label { font-size: var(--fs-xs); color: var(--text-tertiary); margin-bottom: 6px; display: block; }
.article__nav-title { font-size: var(--fs-sm); font-weight: 500; color: var(--text-primary); line-height: 1.5; }
.article__nav-item:hover .article__nav-title { color: var(--accent); }

.about-hero { background-color: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 48px; box-shadow: var(--shadow-sm); display: flex; align-items: center; gap: 36px; margin-bottom: var(--gap-md); }
@media (max-width: 640px) { .about-hero { flex-direction: column; text-align: center; padding: 32px 24px; } }
.about-hero__avatar-wrap { position: relative; flex-shrink: 0; width: 140px; height: 140px; }
.about-hero__avatar-wrap::before { content: ""; position: absolute; inset: -4px; border-radius: 50%; background: linear-gradient(135deg, var(--accent) 0%, #9bb6ff 50%, #c9d7ff 100%); z-index: 0; }
.about-hero__avatar { position: relative; width: 100%; height: 100%; border-radius: 50%; border: 4px solid var(--bg-card); z-index: 1; object-fit: cover; }
.about-hero__content { flex: 1; }
.about-hero__name { font-family: var(--font-serif); font-size: var(--fs-3xl); font-weight: 600; color: var(--text-primary); letter-spacing: -0.02em; margin-bottom: 8px; }
.about-hero__role { font-size: var(--fs-md); color: var(--accent); font-weight: 500; margin-bottom: 14px; }
.about-hero__bio { font-size: var(--fs-md); color: var(--text-secondary); line-height: 1.8; margin-bottom: 18px; }
.about-hero__social { display: flex; gap: 10px; flex-wrap: wrap; }
@media (max-width: 640px) { .about-hero__social { justify-content: center; } }
.social-btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border: 1px solid var(--border-color); border-radius: var(--radius-md); color: var(--text-secondary); font-size: var(--fs-sm); font-weight: 500; transition: all var(--transition-fast); }
.social-btn:hover { color: var(--accent); border-color: var(--accent); background-color: var(--accent-light); }
.social-btn svg { width: 16px; height: 16px; }
.about-section { background-color: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 36px 40px; box-shadow: var(--shadow-sm); margin-bottom: var(--gap-md); }
@media (max-width: 640px) { .about-section { padding: 28px 24px; } }
.about-section__title { font-family: var(--font-serif); font-size: var(--fs-xl); font-weight: 600; color: var(--text-primary); margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
.about-section__title::before { content: ""; display: inline-block; width: 4px; height: 22px; background-color: var(--accent); border-radius: 2px; }
.about-section p { font-size: var(--fs-md); color: var(--text-secondary); line-height: 1.9; margin-bottom: 1em; }
.about-section p:last-child { margin-bottom: 0; }
.skill-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 14px; }
.skill-item { padding: 16px; background-color: var(--bg-input); border-radius: var(--radius-md); text-align: center; transition: all var(--transition-fast); }
.skill-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.skill-item__icon { font-size: 24px; margin-bottom: 8px; }
.skill-item__name { font-size: var(--fs-sm); font-weight: 500; color: var(--text-primary); }
.timeline { position: relative; padding-left: 28px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 8px; bottom: 8px; width: 2px; background-color: var(--border-color); }
.timeline-item { position: relative; margin-bottom: 24px; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-item::before { content: ""; position: absolute; left: -25px; top: 8px; width: 12px; height: 12px; background-color: var(--accent); border-radius: 50%; border: 3px solid var(--bg-card); }
.timeline-item__date { font-size: var(--fs-xs); color: var(--accent); font-weight: 500; margin-bottom: 4px; }
.timeline-item__title { font-size: var(--fs-md); font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }
.timeline-item__desc { font-size: var(--fs-sm); color: var(--text-tertiary); line-height: 1.6; }

.error-page { min-height: calc(100vh - 64px - 80px); display: flex; align-items: center; justify-content: center; padding: 60px 24px; }
.error-card { text-align: center; }
.error-card--page { background-color: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 56px 48px; box-shadow: var(--shadow-sm); }
.error-card__code { font-family: var(--font-serif); font-size: 120px; font-weight: 700; line-height: 1; background: linear-gradient(135deg, var(--accent) 0%, #9bb6ff 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: 16px; letter-spacing: -0.04em; }
.error-card__title { font-family: var(--font-serif); font-size: var(--fs-2xl); font-weight: 600; color: var(--text-primary); margin-bottom: 12px; }
.error-card__desc { font-size: var(--fs-md); color: var(--text-tertiary); line-height: 1.7; margin-bottom: 28px; }
.error-card__actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 12px 24px; border-radius: var(--radius-md); font-size: var(--fs-sm); font-weight: 500; transition: all var(--transition-fast); cursor: pointer; border: 1px solid transparent; }
.btn--primary { background-color: var(--accent); color: white; }
.btn--primary:hover { background-color: var(--accent-hover); color: white; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn--outline { background-color: transparent; color: var(--text-secondary); border-color: var(--border-color-strong); }
.btn--outline:hover { color: var(--accent); border-color: var(--accent); background-color: var(--accent-light); }

.footer { background-color: var(--bg-card); border-top: 1px solid var(--border-color); padding: 32px 0; margin-top: 32px; }
.footer__inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer__copy { font-size: var(--fs-sm); color: var(--text-tertiary); }
.footer__links { display: flex; gap: 20px; }
.footer__links a { font-size: var(--fs-sm); color: var(--text-tertiary); }
.footer__links a:hover { color: var(--accent); }

@keyframes fadeInUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
.post-list .post-card, .sidebar .sidebar-card, .about-section, .about-hero { animation: fadeInUp 0.5s ease both; }
.post-list > .post-card:nth-of-type(1) { animation-delay: 0.05s; }
.post-list > .post-card:nth-of-type(2) { animation-delay: 0.1s; }
.post-list > .post-card:nth-of-type(3) { animation-delay: 0.15s; }
.post-list > .post-card:nth-of-type(4) { animation-delay: 0.2s; }
.post-list > .post-card:nth-of-type(5) { animation-delay: 0.25s; }
.post-list > .post-card:nth-of-type(6) { animation-delay: 0.3s; }
.sidebar .sidebar-card:nth-child(1) { animation-delay: 0.1s; }
.sidebar .sidebar-card:nth-child(2) { animation-delay: 0.15s; }
.sidebar .sidebar-card:nth-child(3) { animation-delay: 0.2s; }
.sidebar .sidebar-card:nth-child(4) { animation-delay: 0.25s; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-page); }
::-webkit-scrollbar-thumb { background: var(--border-color-strong); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-quaternary); }

/* ===== 评论区 ===== */
.comments { margin-top: 32px; }
.comments__title { display: flex; align-items: center; gap: 8px; font-family: var(--font-serif); font-size: var(--fs-xl); font-weight: 600; color: var(--text-primary); margin-bottom: 24px; }
.comments__title svg { width: 20px; height: 20px; color: var(--accent); }

/* 评论列表 */
.comment { background-color: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 20px 24px; margin-bottom: 16px; transition: all var(--transition-fast); display: flex; gap: 14px; }
.comment:hover { border-color: var(--border-color-strong); }
.comment .avatar { flex-shrink: 0; }
.comment .avatar img { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; }
.comment-info { flex: 1; min-width: 0; }
.comment-author { font-weight: 600; color: var(--text-primary); font-size: var(--fs-sm); margin-right: 10px; }
.comment-author a { color: var(--text-primary); }
.comment-author a:hover { color: var(--accent); }
.comment-time { font-size: var(--fs-xs); color: var(--text-quaternary); }
.comment-content { font-size: var(--fs-sm); color: var(--text-secondary); line-height: 1.8; margin: 8px 0; word-break: break-word; }
.comment-reply { margin-top: 8px; }
.comment-reply a { font-size: var(--fs-xs); color: var(--accent); font-weight: 500; }
.comment-reply a:hover { text-decoration: underline; }
.comment-children { margin-top: 16px; margin-left: 20px; padding-left: 16px; border-left: 2px solid var(--border-color); padding: 14px 18px; }
.comment-children .comment { border: none; padding: 0; margin-bottom: 14px; background: none; }
#pagenavi { display: flex; justify-content: center; gap: 8px; margin-top: 20px; }
#pagenavi a, #pagenavi span { display: inline-flex; align-items: center; justify-content: center; min-width: 32px; height: 32px; padding: 0 10px; border-radius: var(--radius-sm); font-size: var(--fs-sm); color: var(--text-secondary); }
#pagenavi a:hover { background-color: var(--accent-light); color: var(--accent); }
#pagenavi .current { background-color: var(--accent); color: white; }

/* 评论表单 */
#comment-place { margin-top: 24px; }
.comment-post { background-color: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 24px; }
.cancel-reply { margin-bottom: 12px; }
.cancel-reply a { font-size: var(--fs-xs); color: var(--accent); }
.comment-header { font-family: var(--font-serif); font-size: var(--fs-lg); font-weight: 600; color: var(--text-primary); margin-bottom: 18px; }
#commentform p { margin-bottom: 12px; }
.comment-form-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
@media (max-width: 640px) { .comment-form-row { grid-template-columns: 1fr; } }
.comment-form-row p { margin-bottom: 0; }
#commentform input[type="text"] {
  width: 100%; padding: 10px 14px; border: 1px solid var(--border-color); border-radius: var(--radius-sm); font-size: var(--fs-sm); background-color: var(--bg-input); color: var(--text-primary); transition: all var(--transition-fast); box-sizing: border-box;
}
#commentform input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-light); }
#commentform textarea {
  width: 100%; min-height: 100px; padding: 12px 14px; border: 1px solid var(--border-color); border-radius: var(--radius-sm); font-size: var(--fs-sm); background-color: var(--bg-input); color: var(--text-primary); resize: vertical; transition: all var(--transition-fast); box-sizing: border-box; font-family: inherit;
}
#commentform textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-light); }
.comment-form-submit { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
#comment_submit { padding: 10px 24px; background-color: var(--accent); color: white; border: none; border-radius: var(--radius-sm); font-size: var(--fs-sm); font-weight: 500; cursor: pointer; transition: all var(--transition-fast); }
#comment_submit:hover { background-color: var(--accent-hover); transform: translateY(-1px); }
.comment-close { font-size: var(--fs-sm); color: var(--text-tertiary); text-align: center; padding: 20px; background-color: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); margin-top: 24px; }

/* 上一篇/下一篇 */
.article__neighbor { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--border-color); }
@media (max-width: 640px) { .article__neighbor { grid-template-columns: 1fr; } }
.article__nav-item { padding: 18px 22px; background-color: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); transition: all var(--transition-fast); }
.article__nav-item:hover { border-color: var(--accent); box-shadow: var(--shadow-md); }
.article__nav-item--next { text-align: right; }
.article__nav-label { font-size: var(--fs-xs); color: var(--text-tertiary); margin-bottom: 6px; display: block; }
.article__nav-title { font-size: var(--fs-sm); font-weight: 500; color: var(--text-primary); line-height: 1.5; }
.article__nav-item:hover .article__nav-title { color: var(--accent); }

/* 分页 - 兼容Emlog $page_url输出 */
.pagination .page-num, .pagination .current { background-color: var(--accent); color: white; }
.page-nav { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 32px; }
.page-nav a, .page-nav span { display: inline-flex; align-items: center; justify-content: center; min-width: 36px; height: 36px; padding: 0 12px; border-radius: var(--radius-sm); font-size: var(--fs-sm); font-weight: 500; color: var(--text-secondary); transition: all var(--transition-fast); }
.page-nav a:hover { background-color: var(--accent-light); color: var(--accent); }
.page-nav .current { background-color: var(--accent); color: white; }

/* 标签 - 兼容Emlog blog_tag输出 */
.tag { display: inline-flex; align-items: center; padding: 4px 12px; background-color: var(--accent-light); color: var(--accent); border-radius: 999px; font-size: var(--fs-xs); font-weight: 500; transition: all var(--transition-fast); }
.tag:hover { background-color: var(--accent); color: white; }

/* 编辑链接 */
.edit-link, .admin-edit { font-size: var(--fs-xs); color: var(--text-quaternary); margin-left: 8px; }
.edit-link:hover, .admin-edit:hover { color: var(--accent); }

/* 首页标题区 */
.content-header { margin-bottom: 28px; }
.content-header__title { font-family: var(--font-serif); font-size: var(--fs-2xl); font-weight: 600; color: var(--text-primary); letter-spacing: -0.02em; margin-bottom: 8px; }
.content-header__subtitle { color: var(--text-tertiary); font-size: var(--fs-md); }

/* 空状态 */
.empty-state { text-align: center; padding: 80px 24px; background-color: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); }
.empty-state__icon { width: 64px; height: 64px; margin: 0 auto 20px; color: var(--text-quaternary); }
.empty-state__icon svg { width: 100%; height: 100%; }
.empty-state h3 { font-family: var(--font-serif); font-size: var(--fs-xl); font-weight: 600; color: var(--text-primary); margin-bottom: 8px; }
.empty-state p { font-size: var(--fs-md); color: var(--text-tertiary); }