/* ============================================
   墨白小栈 — 全局样式
   治愈系 · 释放精神压力 · 感化人心
   设计原则：流动感、呼吸光、温暖包裹、心灵留白
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  /*
   * 治愈系色彩 — 暖沙 + 柔雾 + 微光
   * 让人看了就想深呼吸的颜色
   */
  --color-bg: #F7F4EF;
  --color-bg-card: #F0EBE3;
  --color-bg-card-hover: #E8E2D8;
  --color-bg-glass: rgba(255, 255, 255, 0.55);
  --color-bg-glass-dark: rgba(255, 255, 255, 0.35);
  --color-text: #3D3832;
  --color-text-secondary: #7A7369;
  --color-text-muted: #B5ADA3;
  --color-accent: #C9876A;
  --color-accent-hover: #B87352;
  --color-accent-light: #F0D9CE;
  --color-accent-soft: #FAF0EA;
  --color-cocoa: #8A7D6B;
  --color-pine: #7BA898;
  --color-mint: #9BC4B0;
  --color-lavender: #C4B4C8;
  --color-sunshine: #D4B06A;
  --color-border: #E0D8CE;
  --color-border-light: #EAE5DD;
  --color-quote-bg: #F5F0EA;
  --color-shadow: rgba(61, 56, 50, 0.04);
  --color-shadow-hover: rgba(61, 56, 50, 0.08);
  --color-shadow-accent: rgba(201, 135, 106, 0.12);
  --color-shadow-soft: rgba(61, 56, 50, 0.05);
  --color-gradient-hero: linear-gradient(170deg, #FDF9F3 0%, #F5EDE4 30%, #EDE6DB 60%, #E8E0D4 100%);
  --color-gradient-accent: linear-gradient(135deg, #C9876A 0%, #D4B06A 100%);
  --color-gradient-soft: linear-gradient(135deg, #F0D9CE 0%, #FAF0EA 100%);
  --color-gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.6) 0%, rgba(255,255,255,0.3) 100%);
  --color-glow-warm: radial-gradient(circle, rgba(201, 135, 106, 0.10) 0%, transparent 70%);
  --color-glow-cool: radial-gradient(circle, rgba(123, 168, 152, 0.08) 0%, transparent 70%);
  --color-glow-gold: radial-gradient(circle, rgba(212, 176, 106, 0.06) 0%, transparent 70%);

  /* 字体 */
  --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'STSong', serif;
  --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-hand: 'ZCOOL XiaoWei', 'KaiTi', cursive;

  /* 间距 — 更宽松的呼吸感 */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 28px;
  --space-lg: 48px;
  --space-xl: 72px;
  --space-2xl: 108px;

  /* 圆角 — 更柔和 */
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --radius-xl: 40px;

  /* 字体大小 */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;

  /* 其他 */
  --max-width-content: 680px;
  --max-width-wide: 1100px;
  --transition: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  --transition-slow: 0.8s cubic-bezier(0.22, 1, 0.36, 1);
  --transition-bounce: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ---------- 暗色模式 ---------- */
[data-theme="dark"] {
  --color-bg: #1A1916;
  --color-bg-card: #24221E;
  --color-bg-card-hover: #2E2B26;
  --color-bg-glass: rgba(36, 34, 30, 0.65);
  --color-bg-glass-dark: rgba(36, 34, 30, 0.45);
  --color-text: #ECE8E1;
  --color-text-secondary: #ABA49A;
  --color-text-muted: #6E695F;
  --color-accent: #E0895E;
  --color-accent-hover: #F0A07A;
  --color-accent-light: #3A2D24;
  --color-accent-soft: #2A2520;
  --color-cocoa: #A0937F;
  --color-pine: #7BAE9E;
  --color-mint: #8FC4B5;
  --color-lavender: #C4B8D0;
  --color-sunshine: #E0B558;
  --color-border: #33302B;
  --color-border-light: #2A2823;
  --color-quote-bg: #22201D;
  --color-shadow: rgba(0, 0, 0, 0.25);
  --color-shadow-hover: rgba(0, 0, 0, 0.4);
  --color-shadow-accent: rgba(224, 137, 94, 0.12);
  --color-shadow-soft: rgba(0, 0, 0, 0.2);
  --color-gradient-hero: linear-gradient(165deg, #24221E 0%, #1E1C19 40%, #1A1916 100%);
  --color-gradient-accent: linear-gradient(135deg, #E0895E 0%, #E0B558 100%);
  --color-gradient-soft: linear-gradient(135deg, #3A2D24 0%, #2A2520 100%);
  --color-gradient-glass: linear-gradient(135deg, rgba(36,34,30,0.7) 0%, rgba(36,34,30,0.4) 100%);
  --color-glow-warm: radial-gradient(circle, rgba(224, 137, 94, 0.06) 0%, transparent 70%);
  --color-glow-cool: radial-gradient(circle, rgba(123, 174, 158, 0.05) 0%, transparent 70%);
  --color-glow-gold: radial-gradient(circle, rgba(224, 181, 88, 0.04) 0%, transparent 70%);
}

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

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition), color var(--transition);
  position: relative;
  overflow-x: hidden;
}

/* 全局氛围光晕 — 治愈系柔光背景 */
body::before {
  content: '';
  position: fixed;
  top: -200px;
  left: -100px;
  width: 500px;
  height: 500px;
  background: var(--color-glow-warm);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  bottom: -200px;
  right: -100px;
  width: 600px;
  height: 600px;
  background: var(--color-glow-cool);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-accent-hover);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

p { margin-bottom: 1em; }

/* ---------- Utility Classes ---------- */
.container {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 var(--space-md);
  position: relative;
  z-index: 1;
}

.container-narrow {
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 0 var(--space-md);
  position: relative;
  z-index: 1;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Navigation ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg-glass);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--color-border-light);
  transition: all var(--transition);
}

[data-theme="dark"] .navbar {
  background-color: var(--color-bg-glass);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.navbar-logo {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar-logo::before {
  content: '';
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-gradient-accent);
  flex-shrink: 0;
  box-shadow: 0 0 12px var(--color-shadow-accent);
  transition: transform var(--transition-bounce);
}

.navbar-logo:hover::before {
  transform: scale(1.3);
}

.navbar-logo:hover {
  color: var(--color-accent);
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
}

.navbar-links a {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}

.navbar-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  border-radius: 1px;
  transition: width var(--transition);
}

.navbar-links a:hover::after,
.navbar-links a.active::after {
  width: 100%;
}

.navbar-links a:hover,
.navbar-links a.active {
  color: var(--color-accent);
}

/* Theme toggle */
.theme-toggle {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition);
  color: var(--color-text-secondary);
}

.theme-toggle:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
  transform: rotate(15deg);
}

/* Mobile menu button */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-text);
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  margin: 5px 0;
  transition: all var(--transition);
  border-radius: 1px;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-border-light);
  padding: var(--space-xl) 0;
  margin-top: var(--space-2xl);
  background-color: var(--color-bg-card);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 200px;
  background: var(--color-glow-warm);
  border-radius: 50%;
  pointer-events: none;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
  position: relative;
  z-index: 1;
}

.footer-bio {
  max-width: 400px;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.footer-nav {
  display: flex;
  gap: var(--space-md);
  list-style: none;
}

.footer-nav a {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.footer-nav a:hover {
  color: var(--color-accent);
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  background: var(--color-bg);
  transition: all var(--transition);
  font-size: 1rem;
}

.footer-social a:hover {
  border-color: transparent;
  color: #fff;
  background-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 6px 16px var(--color-shadow-accent);
}

.footer-copyright {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ---------- Hero Section ---------- */
.hero {
  padding: var(--space-2xl) 0 var(--space-xl);
  text-align: center;
  background: var(--color-gradient-hero);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  margin-bottom: var(--space-lg);
  position: relative;
  overflow: hidden;
}

/* 多层光晕 — 治愈系氛围 */
.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -80px;
  width: 320px;
  height: 320px;
  background: var(--color-glow-warm);
  border-radius: 50%;
  animation: breathe 8s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -60px;
  width: 280px;
  height: 280px;
  background: var(--color-glow-cool);
  border-radius: 50%;
  animation: breathe 10s ease-in-out infinite reverse;
}

/* 第三层光晕 — 金色点缀 */
.hero-glow-extra {
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 400px;
  background: var(--color-glow-gold);
  border-radius: 50%;
  pointer-events: none;
  animation: breathe 12s ease-in-out infinite;
}

@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.7; }
}

.hero > .container-narrow {
  position: relative;
  z-index: 1;
}

.hero-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto var(--space-md);
  object-fit: cover;
  border: 4px solid #fff;
  box-shadow: 0 4px 24px var(--color-shadow-accent), 0 0 0 1px var(--color-border-light);
  transition: transform var(--transition-bounce);
}

.hero-avatar:hover {
  transform: scale(1.05);
}

.hero-tagline {
  font-family: var(--font-serif);
  font-size: var(--text-4xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--color-text);
}

.hero-desc {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 520px;
  margin: 0 auto var(--space-md);
  line-height: 1.7;
}

.hero-social {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
}

.hero-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  background: var(--color-bg-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all var(--transition);
  font-size: 1.1rem;
}

.hero-social a:hover {
  border-color: transparent;
  color: #fff;
  background: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px var(--color-shadow-accent);
}

/* ---------- Section Headers ---------- */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border-light);
}

.section-title {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-more {
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-weight: 600;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.section-more:hover {
  color: var(--color-accent-hover);
  gap: 8px;
}

/* ---------- Article Cards ---------- */
.articles-section {
  padding: var(--space-xl) 0;
}

/* Featured large card */
.article-card-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-lg);
  transition: all var(--transition);
  box-shadow: 0 2px 12px var(--color-shadow);
  border: 1px solid var(--color-border-light);
}

.article-card-featured:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px var(--color-shadow-hover), 0 0 0 1px var(--color-border);
  background-color: var(--color-bg-card-hover);
}

.article-card-featured .card-image {
  height: 100%;
  min-height: 260px;
  background-color: var(--color-accent-light);
  background-size: cover;
  background-position: center;
}

.article-card-featured .card-body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Grid cards */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.article-card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
  box-shadow: 0 2px 10px var(--color-shadow);
  border: 1px solid var(--color-border-light);
}

.article-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px var(--color-shadow-hover), 0 0 0 1px var(--color-border);
  background-color: var(--color-bg-card-hover);
}

.article-card .card-image {
  height: 180px;
  background-color: var(--color-accent-light);
  background-size: cover;
  background-position: center;
}

.article-card .card-body {
  padding: var(--space-sm);
}

/* Card common styles */
.card-category {
  display: inline-block;
  font-size: var(--text-xs);
  color: var(--color-accent);
  background-color: var(--color-accent-light);
  padding: 4px 14px;
  border-radius: 20px;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  letter-spacing: 0.03em;
  transition: all var(--transition);
}

.article-card:hover .card-category,
.article-card-featured:hover .card-category {
  background-color: var(--color-accent);
  color: #fff;
}

.card-title {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-xs);
  line-height: 1.4;
}

.card-title a {
  color: var(--color-text);
}

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

.card-meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.card-excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-top: var(--space-xs);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- Article List Page ---------- */
.page-header {
  padding: var(--space-xl) 0 var(--space-lg);
  text-align: center;
}

.page-header h1 {
  font-family: var(--font-serif);
  font-size: var(--text-4xl);
  margin-bottom: var(--space-sm);
}

.page-header p {
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
}

/* Category filter */
.category-filter {
  display: flex;
  justify-content: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.category-filter button {
  padding: 7px 20px;
  border-radius: 20px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  font-family: var(--font-sans);
  font-weight: 500;
  transition: all var(--transition);
}

.category-filter button:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
  transform: translateY(-1px);
}

.category-filter button.active {
  background-color: var(--color-accent);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 12px var(--color-shadow-accent);
}

/* List cards */
.article-list-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border-light);
  transition: all var(--transition);
}

.article-list-item:hover {
  padding-left: var(--space-sm);
  border-bottom-color: var(--color-accent-light);
}

.article-list-item .list-thumb {
  width: 160px;
  height: 100px;
  border-radius: var(--radius-sm);
  background-color: var(--color-accent-light);
  background-size: cover;
  background-position: center;
  flex-shrink: 0;
}

.article-list-item .list-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* ---------- Article Detail Page ---------- */
.article-detail {
  padding: var(--space-xl) 0;
}

.article-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.article-header .article-category {
  margin-bottom: var(--space-sm);
}

.article-header h1 {
  font-family: var(--font-serif);
  font-size: var(--text-4xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.article-meta {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.article-cover {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-lg);
  box-shadow: 0 8px 32px var(--color-shadow-soft);
  position: relative;
}

.article-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  box-shadow: inset 0 0 0 1px var(--color-border-light);
  pointer-events: none;
}

.article-cover img {
  width: 100%;
}

.article-content {
  font-size: var(--text-lg);
  line-height: 1.85;
}

.article-content h2 {
  font-size: var(--text-2xl);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.article-content h3 {
  font-size: var(--text-xl);
  margin-top: var(--space-md);
  margin-bottom: var(--space-sm);
}

.article-content p {
  margin-bottom: 1.2em;
}

.article-content blockquote {
  border-left: 3px solid var(--color-accent);
  padding: var(--space-sm) var(--space-lg);
  margin: var(--space-lg) 0;
  background-color: var(--color-quote-bg);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--color-text-secondary);
  position: relative;
  box-shadow: 0 2px 8px var(--color-shadow);
}

.article-content blockquote::before {
  display: none;
}

.article-content blockquote p:first-child::before {
  content: '"';
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--color-accent-light);
  position: absolute;
  top: -8px;
  left: 8px;
  line-height: 1;
}

.article-content blockquote p {
  margin-bottom: 0;
}

.article-content ul,
.article-content ol {
  margin: var(--space-sm) 0;
  padding-left: 1.5em;
}

.article-content li {
  margin-bottom: 0.5em;
}

.article-content code {
  background-color: var(--color-bg-card);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.9em;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

.article-content pre {
  background-color: var(--color-bg-card);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: var(--space-md) 0;
}

.article-content pre code {
  background: none;
  padding: 0;
}

.article-content img {
  border-radius: var(--radius-md);
  margin: var(--space-md) auto;
}

.article-content hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-lg) 0;
}

/* Article footer */
.article-footer {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.article-tags {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}

.article-tags span {
  padding: 5px 14px;
  background: var(--color-bg-card);
  border-radius: 20px;
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  font-weight: 500;
  border: 1px solid var(--color-border-light);
  transition: all var(--transition);
}

.article-tags span:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-soft);
}

.article-share {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.article-share button {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 7px 14px;
  cursor: pointer;
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  font-family: var(--font-sans);
  font-weight: 500;
  transition: all var(--transition);
}

.article-share button:hover {
  background-color: var(--color-accent);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 12px var(--color-shadow-accent);
  transform: translateY(-1px);
}

/* Prev/Next nav */
.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.article-nav a {
  display: block;
  padding: var(--space-md);
  background-color: var(--color-bg-card);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  border: 1px solid var(--color-border-light);
}

.article-nav a:hover {
  background-color: var(--color-bg-card-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px var(--color-shadow);
  border-color: var(--color-border);
}

.article-nav .nav-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.article-nav .nav-title {
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 500;
}

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

/* ---------- About Page ---------- */
.about-section {
  padding: var(--space-xl) 0;
}

.about-hero {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.about-avatar {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  border: 5px solid #fff;
  box-shadow: 0 8px 32px var(--color-shadow-accent), 0 0 0 1px var(--color-border-light);
  flex-shrink: 0;
  transition: transform var(--transition-bounce);
}

.about-avatar:hover {
  transform: scale(1.04);
}

.about-intro h1 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-xs);
}

.about-intro .about-tagline {
  font-size: var(--text-lg);
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.about-intro p {
  color: var(--color-text-secondary);
  font-size: var(--text-base);
}

.about-content h2 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  display: inline-block;
  position: relative;
}

.about-content h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-accent);
  border-radius: 1px;
}

.about-content p {
  font-size: var(--text-lg);
  line-height: 1.85;
  margin-bottom: var(--space-md);
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: var(--space-lg);
  margin: var(--space-lg) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent-light), var(--color-border), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-lg);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-lg) - 5px);
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-accent);
  border: 3px solid var(--color-bg);
  box-shadow: 0 0 0 3px var(--color-accent-light), 0 0 12px var(--color-shadow-accent);
  transition: transform var(--transition-bounce);
}

.timeline-item:hover::before {
  transform: scale(1.25);
}

.timeline-date {
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 4px;
}

.timeline-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: 4px;
}

.timeline-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* Interest tags */
.interests {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin: var(--space-md) 0;
}

.interest-tag {
  padding: 7px 18px;
  background: var(--color-bg-card);
  border-radius: 20px;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition);
  font-weight: 500;
  cursor: default;
}

.interest-tag:hover {
  background-color: var(--color-accent);
  border-color: transparent;
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 6px 16px var(--color-shadow-accent);
}

/* ---------- Reading Progress Bar ---------- */
.reading-progress {
  position: fixed;
  top: 64px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  z-index: 99;
  transition: width 0.1s linear;
}

/* ---------- Scroll Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

/* 页面加载后自动显示，无需 JS */
.fade-in.visible,
.no-js .fade-in,
.fade-in.loaded {
  opacity: 1;
  transform: translateY(0);
}

/* 为不支持 JS 的情况提供后备 */
@media (prefers-reduced-motion: reduce) {
  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- Empty State ---------- */
.empty-state {
  text-align: center;
  padding: var(--space-2xl) 0;
  color: var(--color-text-muted);
}

.empty-state .empty-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.empty-state h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-sm);
}

.empty-state p {
  font-size: var(--text-base);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --space-xl: 48px;
    --space-2xl: 64px;
  }

  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }
  h3 { font-size: var(--text-xl); }

  .hero-tagline {
    font-size: var(--text-3xl);
  }

  .article-card-featured {
    grid-template-columns: 1fr;
  }

  .article-card-featured .card-image {
    height: 200px;
    min-height: auto;
  }

  .articles-grid {
    grid-template-columns: 1fr;
  }

  .about-hero {
    flex-direction: column;
    text-align: center;
  }

  .article-list-item {
    flex-direction: column;
  }

  .article-list-item .list-thumb {
    width: 100%;
    height: 180px;
  }

  .article-nav {
    grid-template-columns: 1fr;
  }

  /* Mobile nav */
  .mobile-menu-btn {
    display: block;
  }

  .navbar-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--color-bg);
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
  }

  .navbar-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .navbar-links a {
    padding: var(--space-sm) 0;
    font-size: var(--text-base);
  }
}

@media (max-width: 480px) {
  .hero-tagline {
    font-size: var(--text-2xl);
  }

  .hero-desc {
    font-size: var(--text-base);
  }

  .category-filter {
    gap: 6px;
  }

  .category-filter button {
    padding: 5px 14px;
    font-size: var(--text-xs);
  }
}

/* ============================================
   高级治愈系 · 新增板块样式
   ============================================ */

/* ---------- 热门话题推荐区 ---------- */
.topics-section {
  padding: var(--space-lg) 0;
}

.topics-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.topic-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--color-bg-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--color-border-light);
  border-radius: 24px;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
  transition: all var(--transition);
  cursor: pointer;
}

.topic-chip:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-soft);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px var(--color-shadow-accent);
}

.topic-chip .topic-fire {
  font-size: 0.85rem;
  opacity: 0.7;
}

.topic-chip .topic-count {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  background: var(--color-bg-card);
  padding: 2px 8px;
  border-radius: 10px;
  margin-left: 4px;
}

/* ---------- 创作数据展示区 ---------- */
.stats-section {
  padding: var(--space-xl) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.stat-card {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  background: var(--color-bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--color-shadow);
  border-color: var(--color-border);
}

.stat-number {
  font-family: var(--font-serif);
  font-size: var(--text-4xl);
  font-weight: 700;
  background: var(--color-gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
  margin-bottom: 4px;
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
}

.stat-icon {
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
  opacity: 0.8;
}

/* ---------- 订阅引导区 ---------- */
.subscribe-section {
  padding: var(--space-xl) 0;
}

.subscribe-card {
  background: var(--color-gradient-hero);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 20px var(--color-shadow);
}

.subscribe-card::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -40px;
  width: 200px;
  height: 200px;
  background: var(--color-glow-warm);
  border-radius: 50%;
}

.subscribe-card::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -40px;
  width: 180px;
  height: 180px;
  background: var(--color-glow-cool);
  border-radius: 50%;
}

.subscribe-card > * {
  position: relative;
  z-index: 1;
}

.subscribe-card h3 {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-sm);
}

.subscribe-card p {
  color: var(--color-text-secondary);
  font-size: var(--text-base);
  margin-bottom: var(--space-md);
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

.subscribe-form {
  display: flex;
  gap: var(--space-xs);
  max-width: 400px;
  margin: 0 auto;
}

.subscribe-form input {
  flex: 1;
  padding: 12px 18px;
  border: 1px solid var(--color-border);
  border-radius: 24px;
  font-size: var(--text-sm);
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  outline: none;
  transition: all var(--transition);
}

.subscribe-form input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

.subscribe-form input::placeholder {
  color: var(--color-text-muted);
}

.subscribe-form button {
  padding: 12px 24px;
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: 24px;
  font-size: var(--text-sm);
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.subscribe-form button:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px var(--color-shadow-accent);
}

/* ---------- 双栏分类入口区 ---------- */
.explore-section {
  padding: var(--space-lg) 0;
}

.explore-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.explore-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  text-decoration: none;
  color: var(--color-text);
}

.explore-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px var(--color-shadow);
  border-color: var(--color-border);
  background: var(--color-bg-card-hover);
}

.explore-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: var(--color-accent-soft);
  flex-shrink: 0;
  transition: all var(--transition);
}

.explore-card:hover .explore-icon {
  background: var(--color-accent);
  transform: scale(1.05);
}

.explore-info h4 {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  margin-bottom: 2px;
}

.explore-info p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin: 0;
}

/* ---------- 响应式补充 ---------- */
@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .explore-grid {
    grid-template-columns: 1fr;
  }

  .subscribe-form {
    flex-direction: column;
  }

  .subscribe-form button {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .topic-chip {
    padding: 8px 16px;
    font-size: var(--text-xs);
  }
}

/* ============================================
   治愈系 · 新增板块样式
   ============================================ */

/* ---------- 治愈引言区 ---------- */
.quote-section {
  padding: var(--space-xl) 0;
  text-align: center;
}

.healing-quote {
  border: none;
  background: none;
  padding: var(--space-lg) var(--space-xl);
  margin: 0;
  position: relative;
}

.healing-quote::before {
  content: '"';
  font-family: var(--font-serif);
  font-size: 5rem;
  color: var(--color-accent-light);
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  line-height: 1;
  opacity: 0.6;
}

.healing-quote p {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: var(--space-sm);
  position: relative;
  z-index: 1;
}

.healing-quote cite {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: normal;
  font-weight: 500;
}

/* ============================================
   共情板块样式
   ============================================ */

/* ---------- 共情信件区 ---------- */
.empathy-section {
  padding: var(--space-xl) 0;
}

.empathy-card {
  background: var(--color-gradient-hero);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 24px var(--color-shadow);
}

.empathy-card::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -60px;
  width: 240px;
  height: 240px;
  background: var(--color-glow-warm);
  border-radius: 50%;
}

.empathy-card::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -40px;
  width: 200px;
  height: 200px;
  background: var(--color-glow-cool);
  border-radius: 50%;
}

.empathy-card > * {
  position: relative;
  z-index: 1;
}

.empathy-card .letter-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.empathy-card .letter-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.empathy-card .letter-title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  color: var(--color-text);
  font-weight: 600;
}

.empathy-card .letter-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.empathy-card .letter-body {
  font-size: var(--text-lg);
  line-height: 2;
  color: var(--color-text-secondary);
}

.empathy-card .letter-body p {
  margin-bottom: 1.2em;
}

.empathy-card .letter-body strong {
  color: var(--color-accent);
  font-weight: 600;
}

.empathy-card .letter-signature {
  font-family: var(--font-hand);
  font-size: 1.3rem;
  color: var(--color-accent);
  margin-top: var(--space-md);
  text-align: right;
}

/* ---------- 读者留言墙 ---------- */
.voices-section {
  padding: var(--space-xl) 0;
}

.voices-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.voice-card {
  background: var(--color-bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: all var(--transition);
  position: relative;
}

.voice-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--color-shadow);
  border-color: var(--color-border);
}

.voice-card::before {
  content: '"';
  font-family: var(--font-serif);
  font-size: 3rem;
  color: var(--color-accent-light);
  position: absolute;
  top: 8px;
  right: 16px;
  line-height: 1;
  opacity: 0.5;
}

.voice-text {
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
  position: relative;
  z-index: 1;
}

.voice-author {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.voice-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-weight: 600;
  flex-shrink: 0;
}

.voice-name {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ---------- 情绪陪伴区 ---------- */
.mood-section {
  padding: var(--space-lg) 0;
}

.mood-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
}

.mood-card {
  text-align: center;
  padding: var(--space-md) var(--space-sm);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  cursor: pointer;
}

.mood-card:hover {
  transform: translateY(-3px);
  background: var(--color-accent-soft);
  border-color: var(--color-accent-light);
  box-shadow: 0 6px 16px var(--color-shadow-accent);
}

.mood-emoji {
  font-size: 2rem;
  margin-bottom: var(--space-xs);
  display: block;
}

.mood-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
  margin-bottom: 4px;
}

.mood-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ---------- 响应式补充 ---------- */
@media (max-width: 768px) {
  .voices-grid {
    grid-template-columns: 1fr;
  }

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

  .empathy-card {
    padding: var(--space-lg) var(--space-md);
  }
}

@media (max-width: 480px) {
  .mood-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   长期维护补充（2026-08 接管后新增）
   ============================================ */

/* 主题标签改为可点击链接后的样式 */
a.topic-chip {
  text-decoration: none;
  color: var(--color-text-secondary);
  cursor: pointer;
}
a.topic-chip:hover {
  color: var(--color-accent);
  border-color: var(--color-accent-light);
  background: var(--color-accent-soft);
  transform: translateY(-2px);
}

/* 订阅反馈文案 */
.subscribe-feedback {
  margin-top: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--color-accent);
  line-height: 1.6;
}
.subscribe-feedback[hidden] {
  display: none;
}

/* ---------- 支持页 ---------- */
.support-qr {
  max-width: 260px;
  margin: var(--space-md) auto 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 8px 24px var(--color-shadow-soft);
  border: 1px solid var(--color-border-light);
  background: #fff;
}
.support-qr img { width: 100%; height: auto; display: block; }
.support-tip { margin-top: var(--space-sm); font-size: var(--text-sm); color: var(--color-text-muted); }
.faq-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-sm);
}
.faq-card h4 { margin-bottom: var(--space-xs); color: var(--color-text); }
.faq-card p { margin: 0; color: var(--color-text-secondary); font-size: var(--text-sm); }

/* Ko-fi 按钮 */
.ko-fi-btn {
  display: inline-block;
  margin-top: var(--space-md);
  padding: 12px 28px;
  background: linear-gradient(135deg, #C9876A 0%, #D4B06A 100%);
  color: #fff;
  border-radius: 24px;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition);
  box-shadow: 0 6px 16px var(--color-shadow-accent);
}
.ko-fi-btn:hover {
  transform: translateY(-2px);
  color: #fff;
  box-shadow: 0 10px 24px var(--color-shadow-accent);
}