/* ============================================
   牛妈陪读笔记 — 个人网站 V2
   温暖精致 · 活人感 · 响应式
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* 主色 — 暖陶土棕 */
  --color-primary: #B85C4A;
  --color-primary-dark: #9A4A3A;
  --color-primary-light: #F0D6CE;
  --color-primary-lighter: #F7E8E3;

  /* 强调色 */
  --color-accent-ink: #4A5B6A;       /* 墨蓝灰 — 增加层次 */
  --color-accent-sage: #7D9B8A;      /* 鼠尾草绿 — 自然感 */
  --color-accent-gold: #D4A76A;      /* 暖金 — 保留 */

  /* 背景色 — 暖纸感 */
  --color-bg: #FAF5F0;
  --color-bg-alt: #F2EBE4;
  --color-bg-card: #FFFFFF;
  --color-bg-warm: #F7F0E8;

  /* 文字 */
  --color-text: #2C2C2C;
  --color-text-rich: #1A1A1A;
  --color-text-light: #6B6B6B;
  --color-text-lighter: #999999;

  /* 边框 & 分割 */
  --color-border: #E5DBD3;
  --color-border-light: #EFE8E2;

  /* 阴影 */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 28px rgba(0,0,0,0.08);
  --shadow-card: 0 2px 8px rgba(0,0,0,0.05);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.1);

  /* 字族 */
  --font-sans: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "STSong", "LXGW WenKai", serif;
  --font-hand: "ZCOOL KuaiLe", "Comic Sans MS", cursive;  /* 手写感 */

  /* 尺寸 */
  --max-width: 1080px;
  --content-width: 720px;
  --nav-height: 64px;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- 活人感细节：暖纸纹理背景 --- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100' height='100' filter='url(%23n)' opacity='0.015'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  line-height: 1.35;
  font-weight: 700;
  color: var(--color-text-rich);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.15rem; }
h4 { font-size: 1rem; }

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s, box-shadow 0.2s;
}
a:hover {
  color: var(--color-primary-dark);
}

img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

/* --- Layout --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.content-narrow {
  max-width: var(--content-width);
  margin: 0 auto;
}

/* ============================================
   HEADER / NAV — 更精致
   ============================================ */
.site-header {
  background: rgba(250, 245, 240, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-rich);
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: 0.5px;
}
.logo:hover {
  color: var(--color-primary);
}
.logo-img {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text);
  cursor: pointer;
  padding: 4px;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  transition: background 0.2s;
}
.nav-toggle:hover {
  background: var(--color-primary-lighter);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
  align-items: center;
}

.nav-links a {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--color-text);
  font-weight: 500;
  position: relative;
  transition: all 0.2s;
}
.nav-links a:hover {
  color: var(--color-primary);
  background: var(--color-primary-lighter);
}
.nav-links a.active {
  color: var(--color-primary);
  background: var(--color-primary-lighter);
  font-weight: 600;
}

/* ============================================
   HERO — 更温暖，更多人味
   ============================================ */
.hero {
  padding: 80px 0 60px;
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-warm) 100%);
  position: relative;
  overflow: hidden;
}

/* 装饰性的暖色光晕 */
.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(196, 106, 86, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero h1 {
  font-size: 2.2rem;
  max-width: 640px;
  margin: 0 auto 20px;
  font-weight: 800;
  line-height: 1.4;
  position: relative;
}

.hero h1 .highlight {
  color: var(--color-primary);
}

.hero .tagline {
  font-size: 1.1rem;
  color: var(--color-text-light);
  max-width: 520px;
  margin: 0 auto 10px;
  line-height: 1.7;
}

.hero .sub-tagline {
  font-size: 0.92rem;
  color: var(--color-text-lighter);
  max-width: 500px;
  margin: 0 auto;
}

/* --- Hero 个人简介小条 --- */
.hero-byline {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
  padding: 12px 24px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: 50px;
  font-size: 0.9rem;
  color: var(--color-text-light);
  box-shadow: var(--shadow-sm);
}
.hero-byline img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
}
.hero-byline strong {
  color: var(--color-text);
}

/* ============================================
   ENTRY CARDS — 更温暖的入口
   ============================================ */
.entry-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: -30px;
  padding-bottom: 60px;
  position: relative;
  z-index: 2;
}

.entry-card {
  position: relative;
  border-radius: 16px;
  padding: 0;
  text-align: center;
  overflow: hidden;
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s, box-shadow 0.3s;
  text-decoration: none;
  border: none;
  box-shadow: var(--shadow-md);
}
.entry-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.entry-card .card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s;
}
.entry-card:hover .card-bg {
  transform: scale(1.08);
}
.entry-card .card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.2) 100%);
}
.entry-card .card-content {
  position: relative;
  z-index: 2;
  padding: 36px 28px;
  color: white;
}
.entry-card .card-content .icon {
  font-size: 2.4rem;
  margin-bottom: 14px;
  display: block;
}
.entry-card .card-content h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
  color: white;
  font-weight: 700;
}
.entry-card .card-content p {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.88);
  line-height: 1.6;
  max-width: 280px;
  margin: 0 auto;
}

/* ============================================
   SECTION
   ============================================ */
.section {
  padding: 60px 0;
}
.section-alt {
  background: var(--color-bg-alt);
}
.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
  text-align: center;
  color: var(--color-text-rich);
}
.section-subtitle {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: 40px;
  font-size: 0.95rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* --- 手工感分隔线 --- */
.section-divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-gold));
  border-radius: 2px;
  margin: 16px auto 32px;
}

/* ============================================
   ARTICLE CARDS — 带缩略图支持
   ============================================ */
.article-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: 14px;
  padding: 0;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: var(--shadow-card);
}
.article-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

/* 文章卡片缩略图 */
.article-card .card-thumb {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  border-radius: 14px 14px 0 0;
}
.article-card .card-thumb-placeholder {
  width: 100%;
  height: 180px;
  background: linear-gradient(135deg, var(--color-primary-lighter), var(--color-bg-warm));
  border-radius: 14px 14px 0 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--color-primary);
}

.article-card .card-body {
  padding: 20px 24px 24px;
}

.article-card .tag {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--color-primary);
  background: var(--color-primary-lighter);
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 10px;
  font-weight: 500;
  letter-spacing: 0.3px;
}
.article-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
}
.article-card h3 a {
  color: var(--color-text-rich);
}
.article-card h3 a:hover {
  color: var(--color-primary);
}
.article-card p {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ============================================
   ABOUT MINI — 首页个人介绍
   ============================================ */
.about-mini {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-mini .about-photo {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  margin-bottom: 16px;
  border: 3px solid var(--color-bg-card);
}

.about-mini .about-photo-wrap {
  position: relative;
  display: inline-block;
}
/* 照片后面的装饰性暖色块 */
.about-mini .about-photo-wrap::after {
  content: '';
  position: absolute;
  bottom: -6px;
  right: -6px;
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: var(--color-primary-lighter);
  z-index: -1;
}

.about-mini h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text-rich);
}
.about-mini p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 16px;
}
.about-mini .about-desc {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--color-text);
  line-height: 1.85;
}

/* 数字列表 — 带项目符号装饰 */
.about-mini .stats-list {
  list-style: none;
  padding: 0;
}
.about-mini .stats-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border-light);
  font-size: 0.92rem;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  gap: 8px;
}
.about-mini .stats-list li:last-child {
  border-bottom: none;
}
.about-mini .stats-list li .stat-icon {
  font-size: 1.1rem;
  width: 28px;
  flex-shrink: 0;
  text-align: center;
}
.about-mini .stats-list strong {
  color: var(--color-text);
}

/* ============================================
   订阅引导 / QR
   ============================================ */
.subscribe-box {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: 16px;
  padding: 40px;
  text-align: center;
  max-width: 500px;
  margin: 0 auto;
  box-shadow: var(--shadow-sm);
}
.subscribe-box h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}
.subscribe-box p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 20px;
}
.subscribe-box img {
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  transition: transform 0.2s, box-shadow 0.2s;
}
.subscribe-box img:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 24px rgba(0,0,0,0.12);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-block;
  padding: 10px 28px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
  letter-spacing: 0.3px;
}
.btn-primary {
  background: var(--color-primary);
  color: white;
  box-shadow: 0 2px 8px rgba(184, 92, 74, 0.25);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(184, 92, 74, 0.3);
}
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary-lighter);
  transform: translateY(-1px);
}

/* ============================================
   FOOTER — 加入手写签名
   ============================================ */
.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border-light);
  padding: 48px 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-light);
}
.site-footer .signature {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--color-text);
  margin-bottom: 8px;
  font-style: italic;
  letter-spacing: 0.5px;
  line-height: 1.6;
}
/* 手写签名区域 — 等你发了签名照后替换 */
.site-footer .signature-hand {
  font-family: var(--font-hand);
  font-size: 1.4rem;
  color: var(--color-primary);
  margin-bottom: 12px;
  opacity: 0.8;
}
.site-footer .signature-hand img {
  height: 40px;
  width: auto;
  display: inline;
  vertical-align: middle;
}
.site-footer .footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.site-footer .footer-links a {
  font-size: 0.85rem;
  color: var(--color-text-light);
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: all 0.2s;
}
.site-footer .footer-links a:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary-light);
}

/* ============================================
   PAGE HEADER (subpages)
   ============================================ */
.page-header {
  padding: 60px 0 36px;
  text-align: center;
  background: var(--color-bg-warm);
  border-bottom: 1px solid var(--color-border-light);
}
.page-header h1 {
  font-size: 1.8rem;
  margin-bottom: 10px;
}
.page-header p {
  color: var(--color-text-light);
  font-size: 1rem;
  max-width: 500px;
  margin: 0 auto;
}

/* ============================================
   CATEGORY GRID (文章库首页)
   ============================================ */
.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.category-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: 14px;
  padding: 0;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: var(--shadow-card);
}
.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.category-card .cat-top {
  height: 6px;
  border-radius: 14px 14px 0 0;
}
.category-card .cat-body {
  padding: 28px 28px 32px;
}
.category-card .cat-icon {
  font-size: 1.8rem;
  margin-bottom: 10px;
  display: block;
}
.category-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}
.category-card h3 a {
  color: var(--color-text-rich);
}
.category-card h3 a:hover {
  color: var(--color-primary);
}
.category-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.65;
}

/* ============================================
   ARTICLE LIST
   ============================================ */
.article-list {
  list-style: none;
}
.article-list li {
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border-light);
}
.article-list li:first-child {
  padding-top: 0;
}
.article-list .article-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.article-list .article-title a {
  color: var(--color-text-rich);
}
.article-list .article-title a:hover {
  color: var(--color-primary);
}
.article-list .article-meta {
  font-size: 0.82rem;
  color: var(--color-text-lighter);
  margin-bottom: 8px;
}
.article-list .article-summary {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* --- Category nav (filter chips) --- */
.category-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 40px;
}
.category-nav a {
  padding: 6px 18px;
  border-radius: 20px;
  font-size: 0.88rem;
  background: var(--color-bg-card);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  transition: all 0.2s;
}
.category-nav a:hover,
.category-nav a.active {
  background: var(--color-primary-lighter);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* ============================================
   COMING SOON (知识专栏占位)
   ============================================ */
.coming-soon {
  text-align: center;
  padding: 80px 20px;
}
.coming-soon .big-icon {
  font-size: 4rem;
  margin-bottom: 24px;
}
.coming-soon h2 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}
.coming-soon p {
  color: var(--color-text-light);
  max-width: 450px;
  margin: 0 auto 24px;
  font-size: 1rem;
}

/* ============================================
   CONTACT PAGE — 增强
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  max-width: var(--content-width);
  margin: 0 auto;
}
.contact-info-section h2 {
  font-size: 1.2rem;
  margin-bottom: 24px;
  color: var(--color-text-rich);
}
.contact-item {
  display: flex;
  gap: 14px;
  margin-bottom: 24px;
  align-items: flex-start;
  padding: 16px;
  border-radius: 12px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  transition: box-shadow 0.2s;
}
.contact-item:hover {
  box-shadow: var(--shadow-sm);
}
.contact-item .ci-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  width: 28px;
  text-align: center;
}
.contact-item .ci-label {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--color-text);
}
.contact-item .ci-value {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* --- 视频号/直播专区 --- */
.live-section {
  margin-top: 32px;
  padding: 28px;
  background: linear-gradient(135deg, var(--color-primary-lighter), var(--color-bg-card));
  border: 1px solid var(--color-border-light);
  border-radius: 16px;
  text-align: center;
}
.live-section h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}
.live-section p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 12px;
}
.live-section .live-badge {
  display: inline-block;
  padding: 4px 14px;
  background: var(--color-primary);
  color: white;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* ============================================
   SEARCH
   ============================================ */
.search-box {
  max-width: 600px;
  margin: 0 auto 40px;
}
.search-input-wrap {
  display: flex;
  gap: 8px;
}
.search-input-wrap input {
  flex: 1;
  padding: 14px 18px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  font-size: 1rem;
  font-family: var(--font-sans);
  background: var(--color-bg-card);
  color: var(--color-text);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.search-input-wrap input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(196, 106, 86, 0.1);
}
.search-input-wrap button {
  padding: 12px 24px;
}

/* ============================================
   RECOMMENDATIONS
   ============================================ */
.rec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.rec-category {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: 14px;
  padding: 28px 28px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s;
}
.rec-category:hover {
  box-shadow: var(--shadow-md);
}
.rec-category h3 {
  font-size: 1.1rem;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-primary-lighter);
  color: var(--color-primary-dark);
}
.rec-item {
  margin-bottom: 14px;
}
.rec-item:last-child {
  margin-bottom: 0;
}
.rec-item .rec-name {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 4px;
  color: var(--color-text);
}
.rec-item .rec-desc {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.55;
}

/* ============================================
   BREADCRUMB
   ============================================ */
.breadcrumb {
  font-size: 0.82rem;
  color: var(--color-text-lighter);
  margin-bottom: 20px;
  padding: 0 24px;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}
.breadcrumb a {
  color: var(--color-text-lighter);
}
.breadcrumb a:hover {
  color: var(--color-primary);
}

/* ============================================
   PAGE CONTENT (关于页 等长文)
   ============================================ */
.page-content {
  padding: 48px 0 64px;
}
.page-content h2 {
  font-size: 1.35rem;
  margin: 48px 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-primary-lighter);
  position: relative;
}
/* 标题前小装饰 */
.page-content h2::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 1.35rem;
  background: var(--color-primary);
  border-radius: 2px;
  margin-right: 10px;
  vertical-align: middle;
}
.page-content h3 {
  font-size: 1.1rem;
  margin: 32px 0 12px;
  color: var(--color-text-rich);
}
.page-content p {
  margin-bottom: 16px;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--color-text);
}
.page-content .bold {
  font-weight: 600;
}

/* 引区块 — 手写批注风格 */
.page-content blockquote {
  margin: 24px 0;
  padding: 20px 24px;
  border-left: 4px solid var(--color-primary);
  background: var(--color-bg-warm);
  border-radius: 0 12px 12px 0;
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-text-rich);
  line-height: 1.8;
  position: relative;
}
.page-content blockquote::before {
  content: '"';
  font-size: 2.5rem;
  color: var(--color-primary);
  opacity: 0.3;
  position: absolute;
  top: 8px;
  left: 12px;
  font-family: var(--font-serif);
  line-height: 1;
}

.page-content ul, .page-content ol {
  margin: 12px 0 24px;
  padding-left: 24px;
}
.page-content li {
  margin-bottom: 8px;
  font-size: 0.95rem;
  line-height: 1.7;
}
.page-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.9rem;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.page-content th, .page-content td {
  padding: 12px 16px;
  border: 1px solid var(--color-border-light);
  text-align: left;
}
.page-content th {
  background: var(--color-bg-warm);
  font-weight: 600;
  color: var(--color-text-rich);
}
.page-content td {
  background: var(--color-bg-card);
}

/* 重点提示框 */
.page-content .highlight-box {
  background: linear-gradient(135deg, var(--color-primary-lighter), var(--color-bg-warm));
  padding: 28px 32px;
  border-radius: 14px;
  margin: 24px 0;
  border: 1px solid var(--color-border-light);
}
.page-content .highlight-box p {
  margin-bottom: 0;
  color: var(--color-text);
}

/* 长文中的图片 */
.page-content img {
  border-radius: 12px;
  margin: 24px 0;
  box-shadow: var(--shadow-md);
}

/* --- 手工感分隔线（替代 <hr>）--- */
.page-content hr {
  border: none;
  height: 4px;
  background: repeating-linear-gradient(
    90deg,
    var(--color-border) 0px,
    var(--color-border) 6px,
    transparent 6px,
    transparent 12px
  );
  margin: 40px 0;
  border-radius: 2px;
}

/* ============================================
   响应式 — 移动端 ( ≤ 768px )
   ============================================ */
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  .hero {
    padding: 50px 0 36px;
  }
  .hero h1 {
    font-size: 1.45rem;
    max-width: 100%;
  }
  .hero .tagline {
    font-size: 0.95rem;
  }
  .hero .sub-tagline {
    font-size: 0.85rem;
  }
  .hero-byline {
    font-size: 0.82rem;
    padding: 8px 16px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .entry-cards {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: -16px;
    padding-bottom: 40px;
  }
  .entry-card {
    min-height: 180px;
  }
  .entry-card .card-content {
    padding: 24px 20px;
  }

  .section {
    padding: 40px 0;
  }
  .section-title {
    font-size: 1.3rem;
  }

  .article-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .article-card .card-thumb,
  .article-card .card-thumb-placeholder {
    height: 140px;
  }
  .article-card .card-body {
    padding: 16px 18px 20px;
  }

  .category-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .about-mini {
    grid-template-columns: 1fr;
    gap: 24px;
    text-align: center;
  }
  .about-mini .about-photo-wrap {
    margin: 0 auto;
  }
  .about-mini .stats-list li {
    justify-content: center;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .contact-item {
    padding: 14px;
  }

  .rec-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .page-header {
    padding: 40px 0 24px;
  }
  .page-header h1 {
    font-size: 1.4rem;
  }

  .page-content {
    padding: 32px 0 48px;
  }
  .page-content h2 {
    font-size: 1.2rem;
  }
  .page-content blockquote {
    padding: 16px 18px;
    margin: 16px 0;
  }
  .page-content .highlight-box {
    padding: 20px;
  }

  .subscribe-box {
    padding: 28px 20px;
  }
  .subscribe-box img {
    width: 120px;
    height: 120px;
  }

  .live-section {
    padding: 20px;
  }

  /* 移动端导航 */
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(250, 245, 240, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border-light);
    flex-direction: column;
    padding: 8px 16px 16px;
    gap: 2px;
    box-shadow: var(--shadow-md);
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links a {
    display: block;
    padding: 12px 14px;
    font-size: 1rem;
  }
  .nav-toggle {
    display: block;
  }
}

/* ============================================
   桌面端增强 ( ≥ 769px )
   ============================================ */
@media (min-width: 769px) {
  .hero h1 {
    font-size: 2.4rem;
  }

  .article-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .article-card .card-thumb {
    height: 200px;
  }
}

/* ============================================
   中等屏幕 ( 769-1024px )
   ============================================ */
@media (min-width: 769px) and (max-width: 1024px) {
  .container {
    padding: 0 28px;
  }
  .entry-cards {
    gap: 18px;
  }
}

/* ============================================
   超宽屏优化 ( ≥ 1400px )
   ============================================ */
@media (min-width: 1400px) {
  .hero h1 {
    font-size: 2.6rem;
    max-width: 720px;
  }
  .article-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============================================
   工具类
   ============================================ */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }