/* ========================================
   妙笔屋 - 精美版样式表
   温暖文艺 · 精致动画 · 优雅交互
   ======================================== */

/* CSS 变量 */
:root {
  /* 主色调 - 米白+深棕+金色点缀 */
  --color-bg: #FAF8F5;
  --color-bg-alt: #F5F0E8;
  --color-paper: #FFFEFB;
  --color-ink: #2C2416;
  --color-ink-light: #5C4D3C;
  --color-ink-lighter: #8B7D6B;
  
  /* 强调色 */
  --color-accent: #8B4513;
  --color-accent-light: #A0522D;
  --color-gold: #C9A227;
  --color-gold-light: #D4B43A;
  
  /* 功能色 */
  --color-border: #E8E0D5;
  --color-shadow: rgba(44, 36, 22, 0.08);
  --color-shadow-lg: rgba(44, 36, 22, 0.15);
  
  /* 字体 */
  --font-serif: 'Noto Serif SC', 'Songti SC', serif;
  --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* 间距 */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  
  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  
  /* 过渡 */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* 容器 */
  --container-max: 1200px;
  --container-narrow: 800px;
}

/* ========================================
   重置与基础
   ======================================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-ink);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* 选中样式 */
::selection {
  background-color: var(--color-accent);
  color: white;
}

/* 滚动条 */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-alt);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--color-border), var(--color-ink-lighter));
  border-radius: 5px;
  border: 2px solid var(--color-bg-alt);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--color-ink-lighter), var(--color-accent));
}

/* ========================================
   页面加载动画
   ======================================== */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  animation: loaderPulse 1.5s ease infinite;
}

.loader-icon {
  font-size: 4rem;
  animation: loaderBounce 1s ease infinite;
}

.loader-text {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: 0.2em;
}

@keyframes loaderPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

@keyframes loaderBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ========================================
   导航栏
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(250, 248, 245, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(250, 248, 245, 0.95);
  border-bottom-color: var(--color-border);
  box-shadow: 0 4px 30px var(--color-shadow);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  text-decoration: none;
  color: var(--color-ink);
  transition: var(--transition-fast);
}

.logo:hover {
  transform: scale(1.02);
}

.logo-icon {
  font-size: 1.75rem;
  animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.1em;
}

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

.nav-link {
  text-decoration: none;
  color: var(--color-ink-light);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding: var(--space-xs) 0;
  transition: var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-gold));
  transition: var(--transition-normal);
  transform: translateX(-50%);
  border-radius: 1px;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-accent);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* 移动端菜单按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-ink);
  border-radius: 2px;
  transition: var(--transition-normal);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   Hero 首页
   ======================================== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  padding: calc(80px + var(--space-xl)) var(--space-md) var(--space-xl);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero-bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.85);
  animation: heroZoom 20s ease infinite alternate;
}

@keyframes heroZoom {
  from { transform: scale(1); }
  to { transform: scale(1.05); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(44, 36, 22, 0.4) 0%,
    rgba(44, 36, 22, 0.3) 50%,
    rgba(44, 36, 22, 0.5) 100%
  );
}

.hero-content {
  text-align: center;
  max-width: 800px;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 100px;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-lg);
  animation: fadeInDown 0.8s ease;
}

.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--color-gold);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.2); }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-title {
  margin-bottom: var(--space-lg);
}

.title-main {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(3.5rem, 12vw, 6rem);
  font-weight: 700;
  color: white;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-sm);
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 0.8s ease 0.1s both;
}

.title-divider {
  display: block;
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-accent));
  margin: var(--space-md) auto;
  border-radius: 2px;
  animation: expandWidth 0.8s ease 0.3s both;
}

@keyframes expandWidth {
  from { width: 0; }
  to { width: 80px; }
}

.title-sub {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 4vw, 1.75rem);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: 0.2em;
  animation: fadeInUp 0.8s ease 0.2s both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-desc {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-xl);
  line-height: 2;
  animation: fadeInUp 0.8s ease 0.3s both;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
  animation: fadeInUp 0.8s ease 0.4s both;
}

/* 按钮样式 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-normal);
  border: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transform: translateX(-100%);
  transition: var(--transition-slow);
}

.btn:hover::before {
  transform: translateX(100%);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  color: white;
  box-shadow: 0 4px 15px rgba(139, 69, 19, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(139, 69, 19, 0.4);
}

.btn-glow {
  animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
  0%, 100% { box-shadow: 0 4px 15px rgba(139, 69, 19, 0.3); }
  50% { box-shadow: 0 4px 30px rgba(139, 69, 19, 0.5), 0 0 20px rgba(201, 162, 39, 0.3); }
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-3px);
}

.btn-outline {
  background: transparent;
  color: var(--color-ink);
  border: 2px solid var(--color-border);
}

.btn-outline:hover {
  background: var(--color-ink);
  color: white;
  border-color: var(--color-ink);
  transform: translateY(-3px);
}

.btn-icon {
  width: 18px;
  height: 18px;
  transition: var(--transition-fast);
}

.btn:hover .btn-icon {
  transform: translateX(4px);
}

/* Hero 统计 */
.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-lg);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  animation: fadeInUp 0.8s ease 0.5s both;
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: inline;
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
}

.stat-suffix {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-gold);
}

.stat-label {
  display: block;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: var(--space-xs);
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
}

/* 滚动提示 */
.hero-scroll {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  animation: fadeInUp 0.8s ease 0.6s both;
}

.scroll-line {
  width: 1px;
  height: 50px;
  background: rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.scroll-dot {
  position: absolute;
  top: 0;
  left: 50%;
  width: 5px;
  height: 5px;
  background: var(--color-gold);
  border-radius: 50%;
  transform: translateX(-50%);
  animation: scrollDot 2s ease-in-out infinite;
}

@keyframes scrollDot {
  0% { top: 0; opacity: 1; }
  80% { top: 100%; opacity: 0; }
  100% { top: 0; opacity: 0; }
}

/* ========================================
   通用区块样式
   ======================================== */
.section {
  padding: var(--space-2xl) var(--space-md);
  position: relative;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-xl);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 0.875rem;
  color: var(--color-ink-lighter);
  margin-bottom: var(--space-md);
  box-shadow: 0 2px 10px var(--color-shadow);
}

.tag-icon {
  font-size: 1rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: var(--space-sm);
  position: relative;
}

.section-desc {
  font-size: 1.125rem;
  color: var(--color-ink-lighter);
}

/* ========================================
   笔墨坊 - 文章列表
   ======================================== */
.articles-filter {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 0.875rem;
  color: var(--color-ink-light);
  cursor: pointer;
  transition: var(--transition-normal);
  box-shadow: 0 2px 8px var(--color-shadow);
}

.filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px var(--color-shadow);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  border-color: transparent;
  color: white;
  box-shadow: 0 4px 15px rgba(139, 69, 19, 0.3);
}

.filter-icon {
  font-size: 0.875rem;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-lg);
  max-width: var(--container-max);
  margin: 0 auto;
}

.article-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 20px var(--color-shadow);
  transition: var(--transition-normal);
  cursor: pointer;
  position: relative;
}

.article-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  transition: var(--transition-normal);
  pointer-events: none;
}

.article-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px var(--color-shadow-lg);
}

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

.article-image {
  height: 200px;
  overflow: hidden;
  position: relative;
}

.article-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.article-card:hover .article-image img {
  transform: scale(1.08);
}

.article-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(44, 36, 22, 0.1));
  pointer-events: none;
}

.article-content {
  padding: var(--space-md);
}

.article-meta {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  font-size: 0.75rem;
  color: var(--color-ink-lighter);
  align-items: center;
}

.article-category {
  color: var(--color-accent);
  font-weight: 600;
  background: rgba(139, 69, 19, 0.08);
  padding: 2px 10px;
  border-radius: 100px;
}

.article-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: var(--space-xs);
  line-height: 1.5;
  transition: var(--transition-fast);
}

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

.article-excerpt {
  font-size: 0.9375rem;
  color: var(--color-ink-lighter);
  line-height: 1.8;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.articles-more {
  text-align: center;
  margin-top: var(--space-xl);
}

.btn-load {
  position: relative;
}

.btn-load.loading .btn-text {
  opacity: 0;
}

.btn-load.loading .btn-icon {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ========================================
   工具箱
   ======================================== */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
  max-width: var(--container-max);
  margin: 0 auto;
}

.tool-card {
  background: white;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: 0 4px 20px var(--color-shadow);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-gold));
  transform: scaleX(0);
  transition: var(--transition-normal);
}

.tool-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px var(--color-shadow-lg);
}

.tool-card:hover::before {
  transform: scaleX(1);
}

.tool-icon-wrapper {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--color-bg-alt), var(--color-bg));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  box-shadow: 0 4px 15px var(--color-shadow);
  transition: var(--transition-normal);
}

.tool-card:hover .tool-icon-wrapper {
  transform: scale(1.1) rotate(5deg);
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
}

.tool-icon {
  font-size: 2rem;
  transition: var(--transition-normal);
}

.tool-card:hover .tool-icon {
  filter: brightness(0) invert(1);
}

.tool-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: var(--space-xs);
}

.tool-desc {
  font-size: 0.9375rem;
  color: var(--color-ink-lighter);
  margin-bottom: var(--space-md);
}

.tool-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-fast);
}

.tool-link svg {
  width: 16px;
  height: 16px;
  transition: var(--transition-fast);
}

.tool-link:hover {
  color: var(--color-accent-light);
}

.tool-link:hover svg {
  transform: translateX(4px);
}

/* ========================================
   关于 / 屋主人
   ======================================== */
.about-container {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: var(--space-2xl);
  max-width: var(--container-max);
  margin: 0 auto;
  align-items: center;
}

.about-image {
  display: flex;
  justify-content: center;
  position: relative;
}

.image-frame {
  position: relative;
  width: 320px;
  padding: var(--space-sm);
  background: white;
  border: 1px solid var(--color-border);
  box-shadow: 0 20px 50px var(--color-shadow-lg);
  transform: rotate(-3deg);
  transition: var(--transition-slow);
}

.image-frame:hover {
  transform: rotate(0deg) scale(1.02);
}

.about-img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  filter: sepia(10%);
  transition: var(--transition-slow);
}

.image-frame:hover .about-img {
  filter: sepia(0%);
}

.image-decoration {
  position: absolute;
  bottom: -20px;
  right: -30px;
  display: flex;
  gap: var(--space-xs);
}

.deco-item {
  width: 45px;
  height: 45px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: 0 4px 15px var(--color-shadow);
  animation: float 3s ease-in-out infinite;
}

.deco-item:nth-child(2) {
  animation-delay: 0.5s;
}

.deco-item:nth-child(3) {
  animation-delay: 1s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.about-content .section-tag {
  margin-bottom: var(--space-sm);
}

.about-content .section-title {
  margin-bottom: var(--space-lg);
}

.about-text {
  margin-bottom: var(--space-lg);
}

.about-text p {
  margin-bottom: var(--space-md);
  color: var(--color-ink-light);
  font-size: 1.05rem;
}

.about-text strong {
  color: var(--color-accent);
  font-weight: 600;
}

.about-quote {
  position: relative;
  padding: var(--space-md) var(--space-lg);
  background: linear-gradient(135deg, var(--color-bg-alt), var(--color-bg));
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--color-ink);
  text-align: center;
}

.quote-mark {
  font-size: 3rem;
  color: var(--color-accent);
  line-height: 1;
  opacity: 0.3;
  position: absolute;
}

.quote-mark.left {
  top: -10px;
  left: 10px;
}

.quote-mark.right {
  bottom: -25px;
  right: 10px;
}

.about-quote p {
  position: relative;
  z-index: 1;
}

/* ========================================
   订阅
   ======================================== */
.subscribe-container {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-xl);
  max-width: 900px;
  margin: 0 auto;
  align-items: center;
}

.subscribe-title {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: var(--space-sm);
}

.subscribe-desc {
  color: var(--color-ink-lighter);
  margin-bottom: var(--space-lg);
  font-size: 1.05rem;
}

.subscribe-form {
  margin-bottom: var(--space-sm);
}

.form-group {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.input-wrapper {
  flex: 1;
  min-width: 250px;
  position: relative;
}

.input-icon {
  position: absolute;
  left: var(--space-sm);
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
  opacity: 0.6;
}

.form-input {
  width: 100%;
  padding: var(--space-sm) var(--space-sm) var(--space-sm) 2.5rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  background: white;
  transition: var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(139, 69, 19, 0.1);
}

.form-input::placeholder {
  color: var(--color-ink-lighter);
}

.btn-submit {
  position: relative;
  min-width: 100px;
}

.btn-loading {
  position: absolute;
  opacity: 0;
}

.btn-loading svg {
  width: 20px;
  height: 20px;
  animation: spin 1s linear infinite;
}

.btn-submit.loading .btn-text {
  opacity: 0;
}

.btn-submit.loading .btn-loading {
  opacity: 1;
}

.form-note {
  font-size: 0.875rem;
  color: var(--color-ink-lighter);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.subscribe-decoration {
  display: flex;
  justify-content: center;
  align-items: center;
}

.decoration-circle {
  width: 180px;
  height: 180px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-gold));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: 0 20px 50px rgba(139, 69, 19, 0.3);
  animation: decorationPulse 3s ease-in-out infinite;
}

@keyframes decorationPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.deco-main {
  font-size: 5rem;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.2));
}

.deco-float {
  position: absolute;
  font-size: 1.5rem;
  animation: floatAround 4s ease-in-out infinite;
}

.deco-1 {
  top: -10px;
  right: 20px;
  animation-delay: 0s;
}

.deco-2 {
  bottom: 20px;
  left: -10px;
  animation-delay: 1s;
}

.deco-3 {
  bottom: -10px;
  right: 10px;
  animation-delay: 2s;
}

@keyframes floatAround {
  0%, 100% { transform: translate(0, 0); }
  25% { transform: translate(5px, -5px); }
  50% { transform: translate(0, -10px); }
  75% { transform: translate(-5px, -5px); }
}

/* ========================================
   页脚
   ======================================== */
.footer {
  background: linear-gradient(180deg, var(--color-ink), #1a1510);
  color: var(--color-bg-alt);
  padding: var(--space-2xl) var(--space-md) var(--space-lg);
}

.footer-container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: var(--space-lg);
}

.footer-brand .logo {
  color: white;
  margin-bottom: var(--space-sm);
}

.footer-tagline {
  color: var(--color-ink-lighter);
  font-size: 0.9375rem;
  margin-bottom: var(--space-md);
}

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

.social-link {
  width: 42px;
  height: 42px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  text-decoration: none;
  transition: var(--transition-fast);
}

.social-link:hover {
  background: var(--color-accent);
  transform: translateY(-3px);
}

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

.footer-col h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: white;
  position: relative;
  padding-bottom: var(--space-xs);
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: var(--space-xs);
}

.footer-col a {
  color: var(--color-ink-lighter);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: var(--transition-fast);
  display: inline-block;
}

.footer-col a:hover {
  color: white;
  transform: translateX(4px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-ink-lighter);
  font-size: 0.875rem;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer-links-small {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.footer-links-small a {
  color: var(--color-ink-lighter);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-links-small a:hover {
  color: white;
}

.divider {
  opacity: 0.5;
}

/* ========================================
   弹窗
   ======================================== */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}

.modal.active {
  display: flex;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(44, 36, 22, 0.7);
  backdrop-filter: blur(8px);
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-content {
  position: relative;
  background: white;
  border-radius: var(--radius-lg);
  max-width: 800px;
  max-height: 85vh;
  overflow-y: auto;
  padding: var(--space-xl);
  animation: modalIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 44px;
  height: 44px;
  background: var(--color-bg-alt);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.modal-close svg {
  width: 20px;
  height: 20px;
  color: var(--color-ink);
}

.modal-close:hover {
  background: var(--color-accent);
}

.modal-close:hover svg {
  color: white;
}

.article-detail h2 {
  font-family: var(--font-serif);
  font-size: 2rem;
  margin-bottom: var(--space-md);
  color: var(--color-ink);
  padding-right: 50px;
}

.article-detail .article-meta {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.article-detail h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--color-accent);
  margin: var(--space-lg) 0 var(--space-sm);
}

.article-detail p {
  margin-bottom: var(--space-md);
  color: var(--color-ink-light);
  line-height: 2;
  font-size: 1.05rem;
}

/* ========================================
   Toast 提示
   ======================================== */
.toast {
  position: fixed;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--color-ink);
  color: white;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  opacity: 0;
  transition: var(--transition-normal);
  z-index: 3000;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.toast.active {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast-icon {
  font-size: 1.25rem;
}

/* ========================================
   返回顶部
   ======================================== */
.back-to-top {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition-normal);
  z-index: 999;
  box-shadow: 0 4px 15px rgba(139, 69, 19, 0.3);
}

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

.back-to-top svg {
  width: 24px;
  height: 24px;
  color: white;
  transition: var(--transition-fast);
}

.back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(139, 69, 19, 0.4);
}

.back-to-top:hover svg {
  transform: translateY(-2px);
}

/* ========================================
   滚动动画
   ======================================== */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
  opacity: 1;
  transform: translateY(0);
}

[data-aos="fade-right"] {
  transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
  transform: translateX(0);
}

[data-aos="fade-left"] {
  transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
  transform: translateX(0);
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 992px) {
  .about-container {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .about-image {
    order: -1;
  }
  
  .image-frame {
    width: 280px;
  }
  
  .subscribe-container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .subscribe-decoration {
    display: none;
  }
  
  .form-group {
    justify-content: center;
  }
  
  .footer-main {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: rgba(250, 248, 245, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--space-md);
    gap: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-normal);
    box-shadow: 0 10px 30px var(--color-shadow);
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .stat-divider {
    width: 40px;
    height: 1px;
  }
  
  .articles-grid {
    grid-template-columns: 1fr;
  }
  
  .articles-filter {
    gap: var(--space-xs);
  }
  
  .filter-btn {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.8125rem;
  }
  
  .tools-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .modal-content {
    padding: var(--space-md);
    max-height: 90vh;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .btn {
    width: 100%;
  }
  
  .form-group {
    flex-direction: column;
  }
  
  .btn-submit {
    width: 100%;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
  
  .back-to-top {
    right: var(--space-sm);
    bottom: var(--space-sm);
  }
}

/* 减少动画（用户偏好） */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}