@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@300;400;600;700;900&family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

:root {
  --ink: #1a1208;
  --ink-light: #3d2f1a;
  --paper: #f5f0e8;
  --paper-warm: #ede5d4;
  --accent: #c8410a;
  --accent-gold: #b8922a;
  --accent-teal: #1a6b6b;
  --muted: #8a7a65;
  --border: #d4c9b5;
  --card-bg: #faf7f2;
}

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

html { scroll-behavior: smooth; }

img {
max-width: 100%;
height: auto;
border: 0;
vertical-align: middle;
transform: rotateZ(0);
-moz-transform: rotateZ(0);
-webkit-transform: rotateZ(0);
-o-transform: rotateZ(0);
-webkit-transition: -webkit-transform .2s ease 0s;
transition: transform .2s ease 0s;
}
body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.7;
  font-size: 15px;
}

/* 纸质纹理背景 */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: 
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

/* ===== 顶部导航 ===== */
.top-bar {
  background: var(--ink);
  color: var(--paper-warm);
  font-size: 12px;
  padding: 6px 0;
  text-align: center;
  letter-spacing: 0.05em;
}
.top-bar a { color: var(--accent-gold); text-decoration: none; }

nav {
  background: var(--card-bg);
  border-bottom: 2px solid var(--ink);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(26,18,8,0.08);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 60px;
}

.logo {
  font-family: 'Noto Serif SC', serif;
  font-weight: 900;
  font-size: 22px;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-badge {
  background: var(--accent);
  color: white;
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 3px;
  font-family: 'Noto Sans SC', sans-serif;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.nav-links {
  display: flex;
  gap: 0;
  list-style: none;
}

.nav-links a {
  display: block;
  padding: 0 18px;
  height: 60px;
  line-height: 60px;
  color: var(--ink-light);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  border-bottom: 3px solid transparent;
  transition: all 0.2s;
}

.nav-links a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: rgba(200,65,10,0.04);
}

/* ===== 汉堡按钮 ===== */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  cursor: pointer;
  background: none;
  border: none;
  border-radius: 4px;
  transition: background 0.2s;
  flex-shrink: 0;
}

.nav-toggle:hover { background: rgba(26,18,8,0.06); }

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
}

/* 汉堡 → X 动画 */
.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== 移动端下拉菜单 ===== */
.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--card-bg);
  border-top: 1px solid var(--border);
  border-bottom: 2px solid var(--ink);
  box-shadow: 0 8px 24px rgba(26,18,8,0.12);
  z-index: 99;
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu.open {
  max-height: 400px;
}

.mobile-menu ul {
  list-style: none;
  padding: 8px 0 16px;
}

.mobile-menu ul li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 24px;
  color: var(--ink-light);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: all 0.2s;
}

.mobile-menu ul li a:hover {
  color: var(--accent);
  border-left-color: var(--accent);
  background: rgba(200,65,10,0.04);
  padding-left: 28px;
}

.mobile-menu ul li a .m-icon {
  font-size: 16px;
  width: 22px;
  text-align: center;
}

.mobile-menu-footer {
  padding: 12px 24px 4px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 10px;
}

.mobile-menu-footer a {
  flex: 1;
  text-align: center;
  padding: 10px;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s;
}

.m-btn-primary {
  background: var(--accent);
  color: white !important;
}

.m-btn-outline {
  border: 1px solid var(--border);
  color: var(--ink) !important;
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .mobile-menu { display: block; }
}

/* ===== 英雄区域 ===== */
.hero {
  position: relative;
  background: var(--ink);
  color: var(--paper-warm);
  overflow: hidden;
  padding: 72px 24px 56px;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 60% 80% at 80% 50%, rgba(184,146,42,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 20% 80%, rgba(26,107,107,0.15) 0%, transparent 60%);
}

/* 装饰汉字 */
.hero-deco {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  font-family: 'Noto Serif SC', serif;
  font-size: 180px;
  font-weight: 900;
  color: rgba(255,255,255,0.04);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-tag {
  display: inline-block;
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
  font-size: 11px;
  letter-spacing: 0.15em;
  padding: 4px 14px;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.hero h1 {
  font-family: 'Noto Serif SC', serif;
  font-size: clamp(32px, 5vw, 58px);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 18px;
  max-width: 700px;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent-gold);
}

.hero-desc {
  font-size: 16px;
  color: rgba(237,229,212,0.75);
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--accent);
  color: white;
  padding: 13px 32px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background 0.2s;
}

.btn-primary:hover::after { background: rgba(255,255,255,0.1); }

.btn-outline {
  border: 1px solid rgba(237,229,212,0.35);
  color: var(--paper-warm);
  padding: 13px 32px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: all 0.2s;
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

/* 统计数字 */
.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 52px;
  padding-top: 32px;
  border-top: 1px solid rgba(237,229,212,0.15);
  flex-wrap: wrap;
}

.stat-item {}
.stat-num {
  font-family: 'Noto Serif SC', serif;
  font-size: 28px;
  font-weight: 900;
  color: var(--accent-gold);
  line-height: 1;
}
.stat-label {
  font-size: 12px;
  color: rgba(237,229,212,0.6);
  margin-top: 4px;
  letter-spacing: 0.05em;
}

/* ===== 主内容区 ===== */
.main-grid {
  max-width: 1100px;
  margin: 0 auto;
  padding: 52px 24px;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}

/* ===== 版块标题 ===== */
.section-heading {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}

.section-heading h2 {
  font-family: 'Noto Serif SC', serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
}

.section-tag {
  font-size: 11px;
  letter-spacing: 0.12em;
  background: var(--ink);
  color: var(--paper-warm);
  padding: 3px 10px;
}

.section-line {
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ===== 文章卡片 ===== */
.article-list { display: flex; flex-direction: column; gap: 0; }

.article-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  transition: all 0.2s;
  position: relative;
}
.article-card .article-thumb img {
width: 100%;
height: 100%;
object-fit: cover;
}
.article-card:first-child { border-top: 1px solid var(--border); }

.article-card::before {
  content: '';
  position: absolute;
  left: -20px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent);
  transform: scaleY(0);
  transition: transform 0.2s;
}

.article-card:hover::before { transform: scaleY(1); }
.article-card:hover { padding-left: 8px; }

.article-cat {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 6px;
}

.article-title {
  font-family: 'Noto Serif SC', serif;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
  margin-bottom: 8px;
  transition: color 0.2s;
}

.article-card:hover .article-title { color: var(--accent); }

.article-excerpt {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-meta {
  font-size: 12px;
  color: var(--muted);
  margin-top: 10px;
  display: flex;
  gap: 14px;
}

.article-thumb {
  width: 100px;
  height: 80px;
  background: var(--paper-warm);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
}

.thumb-placeholder {
  font-size: 32px;
  opacity: 0.4;
}

/* ===== 置顶精选 ===== */
.featured-card {
  background: var(--ink);
  color: var(--paper-warm);
  padding: 32px;
  margin-bottom: 40px;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  display: block;
}

.featured-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(184,146,42,0.15) 0%, transparent 70%);
}

.featured-badge {
  display: inline-block;
  background: var(--accent);
  color: white;
  font-size: 10px;
  letter-spacing: 0.15em;
  padding: 3px 10px;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}

.featured-title {
  font-family: 'Noto Serif SC', serif;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
  color: var(--paper-warm);
}

.featured-desc {
  font-size: 13px;
  color: rgba(237,229,212,0.7);
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

/* ===== 侧边栏 ===== */
.sidebar { display: flex; flex-direction: column; gap: 28px; }

.sidebar-widget {
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 22px;
}

.widget-title {
  font-family: 'Noto Serif SC', serif;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
}

.widget-title .icon { font-size: 16px; }

/* 热门话题 */
.hot-list { list-style: none; }
.hot-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border);
  cursor: pointer;
  transition: color 0.2s;
}
.hot-list li:last-child { border-bottom: none; }
.hot-list li:hover { color: var(--accent); }

.hot-rank {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.hot-rank.top1 { background: var(--accent); color: white; }
.hot-rank.top2 { background: var(--accent-gold); color: white; }
.hot-rank.top3 { background: var(--ink-light); color: white; }
.hot-rank.other { color: var(--muted); }

.hot-text { font-size: 13px; line-height: 1.4; }

/* 模型版本卡 */
.model-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.model-card {
  border: 1px solid var(--border);
  padding: 14px 12px;
  text-align: center;
  transition: all 0.2s;
  cursor: pointer;
  position: relative;
}

.model-card:hover {
  border-color: var(--accent);
  background: rgba(200,65,10,0.04);
}

.model-card.featured-model {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper-warm);
  grid-column: 1 / -1;
}

.model-name {
  font-family: 'Noto Serif SC', serif;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 4px;
}

.model-desc { font-size: 11px; color: var(--muted); }
.model-card.featured-model .model-desc { color: rgba(237,229,212,0.65); }

.model-badge {
  position: absolute;
  top: -8px;
  right: 8px;
  background: var(--accent);
  color: white;
  font-size: 9px;
  padding: 2px 7px;
  letter-spacing: 0.1em;
}

/* 快速入口 */
.quick-links { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

.quick-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 14px 8px;
  background: var(--paper-warm);
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--ink);
  font-size: 12px;
  font-weight: 500;
  transition: all 0.2s;
  text-align: center;
}

.quick-link:hover {
  background: var(--ink);
  color: var(--paper-warm);
  border-color: var(--ink);
}

.quick-link .ql-icon { font-size: 22px; }

/* ===== 分类标签导航 ===== */
.cat-nav {
  background: var(--card-bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.cat-nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  gap: 0;
  overflow-x: auto;
}

.cat-btn {
  padding: 14px 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: all 0.2s;
  border-radius: 0;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}

.cat-btn:hover, .cat-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ===== SEO文本区 ===== */
.seo-section {
  background: var(--paper-warm);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 40px 0;
}

.seo-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.seo-block h3 {
  font-family: 'Noto Serif SC', serif;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--ink);
}

.seo-block p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.75;
}

/* ===== 页脚 ===== */
footer {
  background: var(--ink);
  color: rgba(237,229,212,0.6);
  padding: 40px 0 24px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}

.footer-brand {
  font-family: 'Noto Serif SC', serif;
  font-size: 20px;
  font-weight: 900;
  color: var(--paper-warm);
  margin-bottom: 12px;
}

.footer-desc { font-size: 13px; line-height: 1.7; }

.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--paper-warm);
  margin-bottom: 14px;
  letter-spacing: 0.08em;
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a {
  color: rgba(237,229,212,0.55);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--accent-gold); }

.footer-bottom {
  border-top: 1px solid rgba(237,229,212,0.1);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  flex-wrap: wrap;
  gap: 10px;
}

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .main-grid {
    grid-template-columns: 1fr;
  }
  .sidebar { }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .seo-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 600px) {
  .hero h1 { font-size: 28px; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 28px; }
  .hero-deco { display: none; }
}

/* 滚动动画 */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.article-card, .sidebar-widget, .featured-card {
  animation: fadeUp 0.5s ease both;
}

.article-card:nth-child(1) { animation-delay: 0.05s; }
.article-card:nth-child(2) { animation-delay: 0.1s; }
.article-card:nth-child(3) { animation-delay: 0.15s; }
.article-card:nth-child(4) { animation-delay: 0.2s; }
.article-card:nth-child(5) { animation-delay: 0.25s; }

/* 标签 */
.tag-chip {
  display: inline-block;
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 11px;
  padding: 2px 10px;
  margin-right: 6px;
  margin-bottom: 6px;
  transition: all 0.2s;
  cursor: pointer;
}
.tag-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* 面包屑 */
.breadcrumb {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 24px;
  font-size: 12px;
  color: var(--muted);
}
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { margin: 0 8px; }



/* ===== 面包屑 ===== */
    .breadcrumb {
      max-width: 1100px;
      margin: 0 auto;
      padding: 12px 24px;
      font-size: 12px;
      color: var(--muted);
    }
    .breadcrumb a { color: var(--muted); text-decoration: none; }
    .breadcrumb a:hover { color: var(--accent); }
    .breadcrumb span { margin: 0 8px; }

    /* ===== 文章头部 Hero ===== */
    .article-hero {
      background: var(--ink);
      color: var(--paper-warm);
      padding: 52px 24px 48px;
      position: relative;
      overflow: hidden;
    }

    .article-hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background:
        radial-gradient(ellipse 50% 80% at 90% 30%, rgba(184,146,42,0.1) 0%, transparent 60%),
        radial-gradient(ellipse 40% 60% at 10% 80%, rgba(200,65,10,0.08) 0%, transparent 60%);
    }

    .article-hero-inner {
      max-width: 820px;
      margin: 0 auto;
      position: relative;
      z-index: 1;
    }

    .article-hero-cat {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--accent);
      color: white;
      font-size: 11px;
      letter-spacing: 0.12em;
      padding: 4px 12px;
      margin-bottom: 20px;
      font-weight: 700;
    }

    .article-hero h1 {
      font-family: 'Noto Serif SC', serif;
      font-size: clamp(22px, 4vw, 36px);
      font-weight: 900;
      line-height: 1.3;
      margin-bottom: 20px;
      color: var(--paper-warm);
    }

    .article-hero-meta {
      display: flex;
      align-items: center;
      gap: 20px;
      font-size: 13px;
      color: rgba(237,229,212,0.65);
      flex-wrap: wrap;
    }

    .article-hero-meta span { display: flex; align-items: center; gap: 5px; }

    .author-avatar {
      width: 32px;
      height: 32px;
      background: var(--accent);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      font-weight: 700;
      color: white;
      flex-shrink: 0;
    }

    /* ===== 主布局 ===== */
    .article-layout {
      max-width: 1100px;
      margin: 0 auto;
      padding: 40px 24px;
      display: grid;
      grid-template-columns: 1fr 300px;
      gap: 48px;
      align-items: start;
    }

    /* ===== 目录浮窗 ===== */
    .toc-sidebar {
      position: sticky;
      top: 80px;
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .toc-widget {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-left: 3px solid var(--ink);
      padding: 20px;
    }

    .toc-title {
      font-family: 'Noto Serif SC', serif;
      font-size: 14px;
      font-weight: 700;
      margin-bottom: 14px;
      padding-bottom: 10px;
      border-bottom: 1px solid var(--border);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .toc-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    .toc-list li a {
      display: block;
      padding: 5px 8px 5px 0;
      font-size: 13px;
      color: var(--muted);
      text-decoration: none;
      border-left: 2px solid transparent;
      padding-left: 10px;
      transition: all 0.2s;
      line-height: 1.4;
    }

    .toc-list li a:hover,
    .toc-list li a.toc-active {
      color: var(--accent);
      border-left-color: var(--accent);
    }

    .toc-list li.toc-h3 a {
      padding-left: 22px;
      font-size: 12px;
    }

    /* ===== 文章正文 ===== */
    .article-body {
      min-width: 0;
    }

    

    /* 封面图 */
    .article-cover {
      width: 100%;
      aspect-ratio: 16/7;
      background: var(--ink);
      margin-bottom: 36px;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
      overflow: hidden;
    }

    .article-cover::before {
      content: '';
      position: absolute;
      inset: 0;
      background:
        radial-gradient(ellipse 60% 100% at 70% 50%, rgba(184,146,42,0.2) 0%, transparent 60%),
        radial-gradient(ellipse 40% 80% at 20% 60%, rgba(26,107,107,0.2) 0%, transparent 60%);
    }

    .cover-label {
      font-family: 'Noto Serif SC', serif;
      font-size: clamp(24px, 5vw, 56px);
      font-weight: 900;
      color: rgba(255,255,255,0.12);
      position: relative;
      z-index: 1;
      letter-spacing: 0.05em;
    }

    .cover-badge {
      position: absolute;
      bottom: 20px;
      right: 24px;
      background: var(--accent);
      color: white;
      font-size: 12px;
      font-weight: 700;
      padding: 6px 16px;
      letter-spacing: 0.08em;
    }

    /* 正文排版 */
    .prose { font-size: 16px; line-height: 1.9; color: var(--ink-light); }

    .prose h2 {
      font-family: 'Noto Serif SC', serif;
      font-size: 22px;
      font-weight: 700;
      color: var(--ink);
      margin: 44px 0 18px;
      padding-bottom: 10px;
      border-bottom: 2px solid var(--ink);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .prose h2::before {
      content: '';
      display: inline-block;
      width: 4px;
      height: 22px;
      background: var(--accent);
      flex-shrink: 0;
    }

    .prose h3 {
      font-family: 'Noto Serif SC', serif;
      font-size: 18px;
      font-weight: 700;
      color: var(--ink);
      margin: 30px 0 12px;
    }

    .prose p { margin-bottom: 18px; }

    .prose strong { color: var(--ink); font-weight: 700; }

    .prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
    .prose a:hover { color: var(--accent-gold); }

    /* 引用块 */
    .prose blockquote {
      border-left: 4px solid var(--accent-gold);
      background: var(--paper-warm);
      padding: 16px 20px;
      margin: 24px 0;
      font-style: italic;
      color: var(--ink-light);
      position: relative;
    }

    .prose blockquote::before {
      content: '"';
      font-family: 'Noto Serif SC', serif;
      font-size: 48px;
      color: var(--accent-gold);
      opacity: 0.3;
      position: absolute;
      top: -4px;
      left: 12px;
      line-height: 1;
    }

    .prose blockquote p { padding-left: 20px; margin-bottom: 0; }

    /* 代码 */
    .prose code {
      background: var(--paper-warm);
      border: 1px solid var(--border);
      padding: 2px 6px;
      font-size: 13px;
      font-family: 'Courier New', monospace;
      color: var(--accent);
      border-radius: 2px;
    }

    .prose pre {
      background: var(--ink);
      color: #e8dcc8;
      padding: 20px 24px;
      margin: 24px 0;
      overflow-x: auto;
      font-size: 13px;
      line-height: 1.7;
      border-left: 4px solid var(--accent);
    }

    .prose pre code {
      background: none;
      border: none;
      padding: 0;
      color: inherit;
      font-size: inherit;
    }

    /* 数据对比表格 */
    .prose table {
      width: 100%;
      border-collapse: collapse;
      margin: 24px 0;
      font-size: 14px;
    }

    .prose table th {
      background: var(--ink);
      color: var(--paper-warm);
      padding: 12px 16px;
      text-align: left;
      font-weight: 600;
      font-size: 13px;
      letter-spacing: 0.05em;
    }

    .prose table td {
      padding: 11px 16px;
      border-bottom: 1px solid var(--border);
      vertical-align: middle;
    }

    .prose table tr:nth-child(even) td { background: var(--paper-warm); }
    .prose table tr:hover td { background: rgba(200,65,10,0.04); }

    .td-best {
      color: var(--accent);
      font-weight: 700;
    }

    /* 信息卡片 */
    .info-card {
      background: var(--card-bg);
      border: 1px solid var(--border);
      padding: 20px 24px;
      margin: 24px 0;
    }

    .info-card-title {
      font-family: 'Noto Serif SC', serif;
      font-size: 14px;
      font-weight: 700;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .info-card ul {
      padding-left: 0;
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .info-card ul li {
      font-size: 14px;
      color: var(--ink-light);
      display: flex;
      align-items: flex-start;
      gap: 10px;
      line-height: 1.6;
    }

    .info-card ul li::before {
      content: '▸';
      color: var(--accent);
      flex-shrink: 0;
      margin-top: 1px;
    }

    

    .mc-score {
      font-size: 28px;
      font-weight: 900;
      color: var(--accent-gold);
      font-family: 'Noto Serif SC', serif;
      line-height: 1;
      margin-bottom: 6px;
    }



    .mc-tags {
      margin-top: 10px;
      display: flex;
      flex-wrap: wrap;
      gap: 4px;
      justify-content: center;
    }

    .mc-tag {
      font-size: 10px;
      background: var(--paper-warm);
      border: 1px solid var(--border);
      padding: 2px 7px;
      color: var(--muted);
    }


    /* ===== 文章底部 ===== */
    .article-footer {
      margin-top: 48px;
      padding-top: 32px;
      border-top: 2px solid var(--ink);
    }

    /* 标签 */
    .article-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 28px;
      align-items: center;
    }

    .tag-label {
      font-size: 12px;
      color: var(--muted);
      letter-spacing: 0.05em;
      margin-right: 4px;
    }

    .tag-chip {
      display: inline-block;
      border: 1px solid var(--border);
      color: var(--muted);
      font-size: 12px;
      padding: 4px 12px;
      cursor: pointer;
      transition: all 0.2s;
      text-decoration: none;
    }

    .tag-chip:hover {
      border-color: var(--accent);
      color: var(--accent);
    }


    /* 作者信息 */
    .author-card {
      display: flex;
      gap: 20px;
      padding: 24px;
      background: var(--card-bg);
      border: 1px solid var(--border);
      margin-bottom: 36px;
      align-items: flex-start;
    }

    .author-avatar-lg {
      width: 56px;
      height: 56px;
      background: var(--ink);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      font-weight: 900;
      color: var(--accent-gold);
      font-family: 'Noto Serif SC', serif;
      flex-shrink: 0;
    }

    .author-info {}
    .author-name {
      font-family: 'Noto Serif SC', serif;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 4px;
    }

    .author-role {
      font-size: 12px;
      color: var(--accent);
      font-weight: 600;
      letter-spacing: 0.08em;
      margin-bottom: 8px;
    }

    .author-bio { font-size: 13px; color: var(--muted); line-height: 1.65; }

    /* 上下篇 */
    .article-nav {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      margin-bottom: 40px;
    }

    .article-nav-item {
      padding: 16px 18px;
      border: 1px solid var(--border);
      background: var(--card-bg);
      text-decoration: none;
      color: var(--ink);
      transition: all 0.2s;
      display: block;
    }

    .article-nav-item:hover {
      border-color: var(--ink);
      background: var(--ink);
      color: var(--paper-warm);
    }

    .nav-dir {
      font-size: 11px;
      color: var(--muted);
      letter-spacing: 0.1em;
      margin-bottom: 6px;
      font-weight: 600;
    }

    .article-nav-item:hover .nav-dir { color: rgba(237,229,212,0.55); }

    .nav-title {
      font-size: 14px;
      font-weight: 600;
      line-height: 1.4;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .article-nav-item.next { text-align: right; }



    /* ===== 侧边栏组件 ===== */
    .sidebar-widget {
      background: var(--card-bg);
      border: 1px solid var(--border);
      padding: 20px;
      margin-bottom: 0;
    }

    .widget-title {
      font-family: 'Noto Serif SC', serif;
      font-size: 14px;
      font-weight: 700;
      margin-bottom: 14px;
      padding-bottom: 10px;
      border-bottom: 2px solid var(--ink);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* 阅读进度 */
    .progress-bar-wrap {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: rgba(26,18,8,0.1);
      z-index: 200;
    }

    .progress-bar {
      height: 100%;
      background: var(--accent);
      width: 0%;
      transition: width 0.1s linear;
    }

    /* 相关文章 */
    .related-list { display: flex; flex-direction: column; gap: 0; }

    .related-item {
      display: flex;
      gap: 12px;
      padding: 12px 0;
      border-bottom: 1px dashed var(--border);
      text-decoration: none;
      color: var(--ink);
      transition: color 0.2s;
    }

    .related-item:last-child { border-bottom: none; }
    .related-item:hover { color: var(--accent); }

    .related-thumb {
      width: 60px;
      height: 48px;
      background: var(--paper-warm);
      border: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      flex-shrink: 0;
    }

    .related-title {
      font-size: 13px;
      line-height: 1.45;
      font-weight: 500;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .related-date { font-size: 11px; color: var(--muted); margin-top: 4px; }

    /* 热门标签云 */
    .tag-cloud { display: flex; flex-wrap: wrap; gap: 6px; }

    /* 返回顶部 */
    .back-top {
      position: fixed;
      bottom: 32px;
      right: 28px;
      width: 44px;
      height: 44px;
      background: var(--ink);
      color: var(--paper-warm);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      border: none;
      font-size: 18px;
      opacity: 0;
      transform: translateY(10px);
      transition: all 0.3s;
      z-index: 50;
    }

    .back-top.visible {
      opacity: 1;
      transform: translateY(0);
    }

    .back-top:hover { background: var(--accent); }

    /* ===== 页脚 ===== */
    footer {
      background: var(--ink);
      color: rgba(237,229,212,0.6);
      padding: 40px 0 24px;
    }

    .footer-inner {
      max-width: 1100px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 32px;
    }

    .footer-brand {
      font-family: 'Noto Serif SC', serif;
      font-size: 20px;
      font-weight: 900;
      color: var(--paper-warm);
      margin-bottom: 12px;
    }

    .footer-desc { font-size: 13px; line-height: 1.7; }

    .footer-col h4 {
      font-size: 13px;
      font-weight: 700;
      color: var(--paper-warm);
      margin-bottom: 14px;
      letter-spacing: 0.08em;
    }

    .footer-col ul { list-style: none; }
    .footer-col ul li { margin-bottom: 8px; }
    .footer-col ul li a {
      color: rgba(237,229,212,0.55);
      text-decoration: none;
      font-size: 13px;
      transition: color 0.2s;
    }
    .footer-col ul li a:hover { color: var(--accent-gold); }

    .footer-bottom {
      border-top: 1px solid rgba(237,229,212,0.1);
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      flex-wrap: wrap;
      gap: 10px;
    }

    /* ===== 响应式 ===== */
    @media (max-width: 900px) {
      .article-layout {
        grid-template-columns: 1fr;
      }
      .toc-sidebar {
        position: static;
      }
      .toc-widget { display: none; }
      .model-compare { grid-template-columns: 1fr 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 600px) {
      .article-nav { grid-template-columns: 1fr; }
      .model-compare { grid-template-columns: 1fr; }
      .share-bar { gap: 8px; }
      .like-btn { margin-left: 0; }
      .footer-grid { grid-template-columns: 1fr; }
      .author-card { flex-direction: column; }
    }

    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(16px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .prose h2, .prose h3, .info-card, .alert-box, .model-compare {
      animation: fadeUp 0.4s ease both;
    }


    /* ===== 栏目 Hero ===== */
    .cat-hero {
      background: var(--ink);
      color: var(--paper-warm);
      padding: 44px 24px 0;
      position: relative;
      overflow: hidden;
    }

    .cat-hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background:
        radial-gradient(ellipse 50% 100% at 85% 40%, rgba(184,146,42,0.12) 0%, transparent 60%),
        radial-gradient(ellipse 30% 60% at 5% 80%, rgba(26,107,107,0.12) 0%, transparent 60%);
    }

    .cat-hero-deco {
      position: absolute;
      right: 4%;
      bottom: 0;
      font-family: 'Noto Serif SC', serif;
      font-size: 140px;
      font-weight: 900;
      color: rgba(255,255,255,0.04);
      line-height: 1;
      pointer-events: none;
      user-select: none;
    }

    .cat-hero-inner {
      max-width: 1100px;
      margin: 0 auto;
      position: relative;
      z-index: 1;
    }

    .cat-hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border: 1px solid rgba(184,146,42,0.5);
      color: var(--accent-gold);
      font-size: 11px;
      letter-spacing: 0.15em;
      padding: 4px 14px;
      margin-bottom: 16px;
    }

    .cat-hero h1 {
      font-family: 'Noto Serif SC', serif;
      font-size: clamp(28px, 4vw, 44px);
      font-weight: 900;
      line-height: 1.2;
      margin-bottom: 12px;
    }

    .cat-hero-desc {
      font-size: 14px;
      color: rgba(237,229,212,0.7);
      max-width: 580px;
      line-height: 1.75;
      margin-bottom: 28px;
    }

    /* ===== 主内容区 ===== */
    .page-body {
      max-width: 1100px;
      margin: 0 auto;
      padding: 36px 24px 48px;
      display: grid;
      grid-template-columns: 1fr 288px;
      gap: 44px;
      align-items: start;
    }

    /* ===== 工具栏（排序/筛选） ===== */
    .list-toolbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 24px;
      flex-wrap: wrap;
      gap: 12px;
    }

    .list-count {
      font-size: 13px;
      color: var(--muted);
    }

    .list-count strong { color: var(--ink); font-weight: 700; }



    /* ===== 置顶文章（大卡片） ===== */
    .pinned-card {
      display: grid;
      gap: 0;
      border: 1px solid var(--border);
      background: var(--card-bg);
      margin-bottom: 28px;
      text-decoration: none;
      color: inherit;
      transition: all 0.25s;
      position: relative;
      overflow: hidden;
    }

    .pinned-card::before {
      content: '';
      position: absolute;
      left: 0; top: 0; bottom: 0;
      width: 4px;
      background: var(--accent);
    }

    .pinned-card:hover {
      box-shadow: 0 6px 28px rgba(26,18,8,0.1);
      transform: translateY(-2px);
    }

    .pinned-body { padding: 24px 24px 24px 28px; }

    .pinned-flag {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      background: var(--accent);
      color: white;
      font-size: 10px;
      letter-spacing: 0.1em;
      padding: 3px 10px;
      margin-bottom: 12px;
      font-weight: 700;
    }

    .pinned-title {
      font-family: 'Noto Serif SC', serif;
      font-size: 20px;
      font-weight: 700;
      line-height: 1.35;
      margin-bottom: 10px;
      color: var(--ink);
      transition: color 0.2s;
    }

    .pinned-card:hover .pinned-title { color: var(--accent); }

    .pinned-excerpt {
      font-size: 13px;
      color: var(--muted);
      line-height: 1.7;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 14px;
    }

    .pinned-meta {
      display: flex;
      gap: 16px;
      font-size: 12px;
      color: var(--muted);
      align-items: center;
    }

    .pinned-img {
      background: var(--ink);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 52px;
      position: relative;
      overflow: hidden;
      min-height: 160px;
    }

    .pinned-img::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse at 70% 30%, rgba(184,146,42,0.2) 0%, transparent 60%);
    }

    /* ===== 标准列表卡片 ===== */
    .article-list { display: flex; flex-direction: column; }

    .article-card {
      display: grid;
      grid-template-columns: 1fr 104px;
      gap: 16px;
      padding: 20px 0;
      border-bottom: 1px solid var(--border);
      text-decoration: none;
      color: inherit;
      transition: all 0.2s;
      position: relative;
    }

    .article-card:first-child { border-top: 1px solid var(--border); }

    .article-card::before {
      content: '';
      position: absolute;
      left: -20px; top: 0; bottom: 0;
      width: 3px;
      background: var(--accent);
      transform: scaleY(0);
      transform-origin: bottom;
      transition: transform 0.25s;
    }

    .article-card:hover { padding-left: 8px; }
    .article-card:hover::before { transform: scaleY(1); }

    .card-cat {
      font-size: 11px;
      letter-spacing: 0.1em;
      color: var(--accent);
      font-weight: 700;
      margin-bottom: 5px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .card-title {
      font-family: 'Noto Serif SC', serif;
      font-size: 16px;
      font-weight: 600;
      line-height: 1.4;
      color: var(--ink);
      margin-bottom: 7px;
      transition: color 0.2s;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .article-card:hover .card-title { color: var(--accent); }

    .card-excerpt {
      font-size: 13px;
      color: var(--muted);
      line-height: 1.65;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 10px;
    }

    .card-meta {
      display: flex;
      gap: 14px;
      font-size: 11px;
      color: var(--muted);
      flex-wrap: wrap;
    }

    .card-thumb {
      background: var(--paper-warm);
      border: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 28px;
      flex-shrink: 0;
      aspect-ratio: 4/3;
      align-self: start;
      margin-top: 2px;
      transition: background 0.2s;
    }

    .article-card:hover .card-thumb {
      background: var(--paper-warm);
      border-color: var(--border);
    }

    /* 难度标签 */
    .diff-tag {
      display: inline-block;
      font-size: 10px;
      padding: 1px 7px;
      font-weight: 700;
      letter-spacing: 0.08em;
    }
    .diff-tag.easy { background: rgba(26,107,107,0.12); color: var(--accent-teal); }
    .diff-tag.mid  { background: rgba(184,146,42,0.12); color: var(--accent-gold); }
    .diff-tag.hard { background: rgba(200,65,10,0.12); color: var(--accent); }

    /* 热门标记 */
    .hot-mark {
      display: inline-flex;
      align-items: center;
      gap: 3px;
      font-size: 10px;
      color: var(--accent);
      font-weight: 700;
    }

    /* ===== 分页 ===== */
    .pagination {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      margin-top: 36px;
      flex-wrap: wrap;
    }

    .page-btn {
      min-width: 38px;
      height: 38px;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--border);
      background: var(--card-bg);
      color: var(--ink-light);
      font-size: 13px;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.18s;
      text-decoration: none;
      padding: 0 10px;
      font-family: inherit;
    }

    .page-btn:hover {
      border-color: var(--ink);
      background: var(--ink);
      color: var(--paper-warm);
    }

    .page-btn.active {
      background: var(--accent);
      border-color: var(--accent);
      color: white;
      font-weight: 700;
    }

    .page-btn.disabled {
      opacity: 0.35;
      pointer-events: none;
    }

    .page-ellipsis {
      color: var(--muted);
      padding: 0 4px;
      font-size: 14px;
    }

    /* ===== 侧边栏 ===== */
    .sidebar {
      position: sticky;
      top: 80px;
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .sidebar-widget {
      background: var(--card-bg);
      border: 1px solid var(--border);
      padding: 20px;
    }

    .widget-title {
      font-family: 'Noto Serif SC', serif;
      font-size: 14px;
      font-weight: 700;
      margin-bottom: 14px;
      padding-bottom: 10px;
      border-bottom: 2px solid var(--ink);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* 栏目导航 */
    .cat-nav-list { list-style: none; }

    .cat-nav-list li a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 9px 10px 9px 0;
      border-bottom: 1px dashed var(--border);
      text-decoration: none;
      color: var(--ink-light);
      font-size: 13px;
      transition: all 0.2s;
    }

    .cat-nav-list li:last-child a { border-bottom: none; }

    .cat-nav-list li a:hover { color: var(--accent); padding-left: 6px; }

    .cat-nav-list li a.current {
      color: var(--accent);
      font-weight: 700;
      border-left: 3px solid var(--accent);
      padding-left: 10px;
    }

    .cat-count {
      font-size: 11px;
      background: var(--paper-warm);
      border: 1px solid var(--border);
      color: var(--muted);
      padding: 1px 8px;
      flex-shrink: 0;
    }

    /* 热门文章 */
    .hot-list { list-style: none; }

    .hot-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      padding: 9px 0;
      border-bottom: 1px dashed var(--border);
    }

    .hot-list li:last-child { border-bottom: none; }

    .hot-rank {
      width: 22px;
      height: 22px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 11px;
      font-weight: 700;
      flex-shrink: 0;
      margin-top: 1px;
    }

    .hot-rank.r1 { background: var(--accent); color: white; }
    .hot-rank.r2 { background: var(--accent-gold); color: white; }
    .hot-rank.r3 { background: var(--ink-light); color: white; }
    .hot-rank.rn { color: var(--muted); border: 1px solid var(--border); font-size: 10px; }

    .hot-list li a {
      text-decoration: none;
      color: var(--ink-light);
      font-size: 13px;
      line-height: 1.4;
      transition: color 0.2s;
    }

    .hot-list li a:hover { color: var(--accent); }

    /* 标签云 */
    .tag-cloud { display: flex; flex-wrap: wrap; gap: 6px; }

    .tag-chip {
      display: inline-block;
      border: 1px solid var(--border);
      color: var(--muted);
      font-size: 11px;
      padding: 3px 10px;
      cursor: pointer;
      transition: all 0.18s;
      text-decoration: none;
    }

    .tag-chip:hover, .tag-chip.active {
      border-color: var(--accent);
      color: var(--accent);
      background: rgba(200,65,10,0.04);
    }

    /* 订阅 */
    .sub-widget {
      background: var(--ink);
      border-color: var(--ink);
      color: var(--paper-warm);
    }

    .sub-widget .widget-title {
      color: var(--paper-warm);
      border-color: rgba(237,229,212,0.2);
    }

    .sub-desc {
      font-size: 13px;
      color: rgba(237,229,212,0.65);
      margin-bottom: 14px;
      line-height: 1.65;
    }

    .sub-input {
      width: 100%;
      padding: 9px 12px;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(237,229,212,0.2);
      color: var(--paper-warm);
      font-size: 13px;
      margin-bottom: 8px;
      outline: none;
      font-family: inherit;
      transition: border-color 0.2s;
    }

    .sub-input:focus { border-color: var(--accent-gold); }
    .sub-input::placeholder { color: rgba(237,229,212,0.35); }

    .sub-btn {
      width: 100%;
      padding: 10px;
      background: var(--accent);
      color: white;
      border: none;
      font-size: 13px;
      font-weight: 700;
      cursor: pointer;
      font-family: inherit;
      letter-spacing: 0.05em;
      transition: opacity 0.2s;
    }

    .sub-btn:hover { opacity: 0.88; }

    /* ===== 空状态 ===== */
    .empty-state {
      text-align: center;
      padding: 60px 24px;
      color: var(--muted);
    }

    .empty-state .empty-icon { font-size: 48px; margin-bottom: 16px; }
    .empty-state p { font-size: 14px; line-height: 1.7; }

    /* ===== Section heading ===== */
    .section-heading {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 20px;
    }

    .section-heading h2 {
      font-family: 'Noto Serif SC', serif;
      font-size: 17px;
      font-weight: 700;
      white-space: nowrap;
    }

    .section-tag {
      font-size: 10px;
      letter-spacing: 0.12em;
      background: var(--ink);
      color: var(--paper-warm);
      padding: 3px 9px;
      white-space: nowrap;
    }

    .section-line { flex: 1; height: 1px; background: var(--border); }

    /* ===== 页脚 ===== */
    footer {
      background: var(--ink);
      color: rgba(237,229,212,0.6);
      padding: 40px 0 24px;
    }

    .footer-inner { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 32px;
    }

    .footer-brand {
      font-family: 'Noto Serif SC', serif;
      font-size: 20px;
      font-weight: 900;
      color: var(--paper-warm);
      margin-bottom: 12px;
    }

    .footer-desc { font-size: 13px; line-height: 1.7; }

    .footer-col h4 {
      font-size: 13px;
      font-weight: 700;
      color: var(--paper-warm);
      margin-bottom: 14px;
      letter-spacing: 0.08em;
    }

    .footer-col ul { list-style: none; }
    .footer-col ul li { margin-bottom: 8px; }
    .footer-col ul li a {
      color: rgba(237,229,212,0.55);
      text-decoration: none;
      font-size: 13px;
      transition: color 0.2s;
    }
    .footer-col ul li a:hover { color: var(--accent-gold); }

    .footer-bottom {
      border-top: 1px solid rgba(237,229,212,0.1);
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      flex-wrap: wrap;
      gap: 10px;
    }

    /* ===== 响应式 ===== */
    @media (max-width: 900px) {
      .page-body { grid-template-columns: 1fr; }
      .sidebar { position: static; }
      .pinned-card { grid-template-columns: 1fr; }
      .pinned-img { min-height: 120px; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 600px) {
      .article-card { grid-template-columns: 1fr; }
      .card-thumb { display: none; }
      .list-toolbar { flex-direction: column; align-items: flex-start; }
      .footer-grid { grid-template-columns: 1fr; }
      .cat-hero h1 { font-size: 26px; }
    }

    /* 动画 */
    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(14px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    .article-card { animation: fadeUp 0.4s ease both; }
    .article-card:nth-child(1)  { animation-delay: 0.04s; }
    .article-card:nth-child(2)  { animation-delay: 0.08s; }
    .article-card:nth-child(3)  { animation-delay: 0.12s; }
    .article-card:nth-child(4)  { animation-delay: 0.16s; }
    .article-card:nth-child(5)  { animation-delay: 0.20s; }
    .article-card:nth-child(6)  { animation-delay: 0.24s; }
    .article-card:nth-child(7)  { animation-delay: 0.28s; }
    .article-card:nth-child(8)  { animation-delay: 0.32s; }
    .pinned-card { animation: fadeUp 0.4s ease both; }
    .vis-container{
  max-width: 1100px;
    margin: 0 auto;
    padding: 52px 24px 0px 24px;
    display: grid;
    align-items: start;
}

    .grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 12px;
      padding: 1rem 0 1.5rem;
  }
  .card {
    background: #e3dacc;
    border: .5px solid #d4c9b5;
    border-radius: var(--border-radius-lg);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0;
    transition: border-color .15s;
}
.plan-name {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 4px;
}
.plan-sub {
  font-size: 12px;
  color: var(--color-text-tertiary);
  margin-bottom: 14px;
  line-height: 1.5;
}
.price-row {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 4px;
}
.price-num {
  font-size: 26px;
  font-weight: 500;
}
.price-cny {
  font-size: 12px;
  color: var(--color-text-tertiary);
  margin-bottom: 16px;
}
.divider {
  border: none;
  border-top: .5px solid #d4c9b5;
  margin: 0 0 14px;
}
.feat-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.feat-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  line-height: 1.5;
}
.check-svg {
  color: #265b19;
}
.feat-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  margin-top: 1px;
}
.cta {
  margin-top: 18px;
  border-radius: var(--border-radius-md);
  padding: 9px 0;
  font-size: 14px;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  border: .5px solid #d4c9b5;
  background: #ede5d4;
  color: var(--color-text-primary);
  transition: background .12s;
}
.cta:hover {
  background: var(--ink);
  color: var(--paper-warm);
  border-color: var(--ink);
}
.card.featured {
  border: 2px solid #4682d5;
}

.badge {
  display: inline-block;
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
  background: #d6e4f6;
  color: #3266ad;
  font-weight: 500;
}

.badge.hot {
  background: #f6eedf;
  color: #5a4815;
}