/* ============================================
   奇门遁甲运势网站 - 样式表
   道家美学 · 国风设计 · 响应式布局
   ============================================ */

/* CSS变量 */
:root {
  /* 主色调 - 道家玄青 */
  --color-primary: #1a3a4a;
  --color-primary-light: #2d5a6b;
  --color-primary-dark: #0f2833;
  
  /* 强调色 - 金色 */
  --color-accent: #c9a962;
  --color-accent-light: #dcc48a;
  --color-accent-dark: #a68b4b;
  
  /* 背景色 */
  --color-bg: #0a1015;
  --color-bg-light: #151c24;
  --color-bg-card: rgba(26, 58, 74, 0.3);
  
  /* 文字色 */
  --color-text: #e8e6e3;
  --color-text-muted: #8a9a9f;
  --color-text-light: #b8c4c8;
  
  /* 八卦色 */
  --color-bagua-1: #3498db;  /* 坎 - 水 - 蓝 */
  --color-bagua-2: #e74c3c;  /* 坤 - 火 - 红 */
  --color-bagua-3: #27ae60;  /* 震 - 木 - 绿 */
  --color-bagua-4: #2ecc71;  /* 巽 - 木 - 青绿 */
  --color-bagua-5: #f39c12;  /* 中 - 土 - 黄 */
  --color-bagua-6: #9b59b6;  /* 乾 - 金 - 紫 */
  --color-bagua-7: #e67e22;  /* 艮 - 土 - 橙 */
  --color-bagua-8: #e74c3c;  /* 离 - 火 - 红 */
  
  /* 字体 - 英文版优先英文字体 */
  --font-serif: 'Inter', 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  --font-sans: 'Inter', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  
  /* 间距 - 英文版微调 */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 0.85rem;
  --spacing-lg: 1.25rem;
  --spacing-xl: 1.75rem;
  --spacing-2xl: 2.5rem;
  
  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(201, 169, 98, 0.3);
  
  /* 动画 */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* 重置样式 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  letter-spacing: -0.01em;
}

/* 背景装饰 */
.bg-pattern {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  background: 
    radial-gradient(ellipse at 20% 20%, rgba(26, 58, 74, 0.4) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(201, 169, 98, 0.1) 0%, transparent 50%),
    linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-light) 100%);
}

.floating-symbols {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.floating-symbols .symbol {
  position: absolute;
  font-size: 2rem;
  opacity: 0.05;
  color: var(--color-accent);
  animation: float 20s infinite ease-in-out;
}

.floating-symbols .symbol:nth-child(1) { top: 10%; left: 5%; animation-delay: 0s; }
.floating-symbols .symbol:nth-child(2) { top: 20%; right: 10%; animation-delay: -3s; }
.floating-symbols .symbol:nth-child(3) { top: 60%; left: 8%; animation-delay: -6s; }
.floating-symbols .symbol:nth-child(4) { top: 70%; right: 5%; animation-delay: -9s; }
.floating-symbols .symbol:nth-child(5) { top: 40%; left: 3%; animation-delay: -12s; }
.floating-symbols .symbol:nth-child(6) { top: 80%; left: 15%; animation-delay: -15s; }
.floating-symbols .symbol:nth-child(7) { top: 30%; right: 3%; animation-delay: -18s; }
.floating-symbols .symbol:nth-child(8) { top: 90%; right: 15%; animation-delay: -21s; }

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(10deg); }
}

/* 通用容器 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* ============================================
   导航栏
   ============================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 16, 21, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(201, 169, 98, 0.2);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  color: var(--color-accent);
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
}

.logo-symbol {
  font-size: 1.5rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-link {
  color: var(--color-text-light);
  text-decoration: none;
  font-size: 0.95rem;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-accent);
  background: rgba(201, 169, 98, 0.1);
}

.nav-link.nav-active {
  color: var(--color-accent);
  background: rgba(201, 169, 98, 0.15);
}

.nav-link.nav-cta {
  background: linear-gradient(135deg, var(--color-accent-dark), var(--color-accent));
  color: var(--color-bg);
  font-weight: 500;
}

.nav-link.nav-cta:hover {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  color: var(--color-bg);
}

/* ============================================
   主内容区
   ============================================ */
.main-content {
  min-height: calc(100vh - 200px);
  padding: var(--spacing-2xl) 0;
}

/* ============================================
   Hero区域
   ============================================ */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  padding: var(--spacing-2xl) 0;
}

.hero-content {
  animation: fadeInUp 0.8s ease;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
  text-shadow: 0 0 30px rgba(201, 169, 98, 0.3);
}

.title-decoration {
  font-size: 2rem;
  vertical-align: middle;
  margin: 0 var(--spacing-sm);
  opacity: 0.7;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
}

.hero-description {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--spacing-xl);
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* Hero九宫格 */
.hero-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  animation: fadeIn 1s ease 0.3s both;
}

.grid-cell {
  aspect-ratio: 1;
  background: var(--color-bg-card);
  border: 1px solid rgba(201, 169, 98, 0.3);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-accent);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.grid-cell small {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-family: var(--font-sans);
}

.grid-cell:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-glow);
  background: rgba(201, 169, 98, 0.2);
}

/* 洛书九宫顺序: 4,9,2 / 3,5,7 / 8,1,6 */
.cell-4 { grid-area: 1 / 1; background: rgba(46, 204, 113, 0.2); border-color: rgba(46, 204, 113, 0.4); }
.cell-9 { grid-area: 1 / 2; background: rgba(231, 76, 60, 0.2); border-color: rgba(231, 76, 60, 0.4); }
.cell-2 { grid-area: 1 / 3; background: rgba(231, 76, 60, 0.2); border-color: rgba(231, 76, 60, 0.4); }
.cell-3 { grid-area: 2 / 1; background: rgba(39, 174, 96, 0.2); border-color: rgba(39, 174, 96, 0.4); }
.cell-5 { grid-area: 2 / 2; background: rgba(243, 156, 18, 0.2); border-color: rgba(243, 156, 18, 0.4); }
.cell-7 { grid-area: 2 / 3; background: rgba(230, 126, 34, 0.2); border-color: rgba(230, 126, 34, 0.4); }
.cell-8 { grid-area: 3 / 1; background: rgba(231, 76, 60, 0.2); border-color: rgba(231, 76, 60, 0.4); }
.cell-1 { grid-area: 3 / 2; background: rgba(52, 152, 219, 0.2); border-color: rgba(52, 152, 219, 0.4); }
.cell-6 { grid-area: 3 / 3; background: rgba(155, 89, 182, 0.2); border-color: rgba(155, 89, 182, 0.4); }

/* ============================================
   按钮
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent-dark), var(--color-accent));
  color: var(--color-bg);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

.btn-secondary:hover {
  background: rgba(201, 169, 98, 0.1);
}

.btn-large {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: 1.1rem;
}

.btn-icon {
  font-size: 1.2em;
}

.btn-link {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 0.9rem;
  padding: var(--spacing-xs) var(--spacing-sm);
  transition: color var(--transition-fast);
}

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

/* ============================================
   功能区
   ============================================ */
.features {
  padding: var(--spacing-2xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  color: var(--color-text-muted);
  font-size: 1.1rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid rgba(201, 169, 98, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  transition: all var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.feature-icon {
  font-size: 2.5rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

.feature-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.feature-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ============================================
   关于区
   ============================================ */
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  padding: var(--spacing-2xl) 0;
  align-items: center;
}

.about-content .section-title {
  text-align: left;
  margin-bottom: var(--spacing-xl);
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.about-block h3 {
  font-family: var(--font-serif);
  color: var(--color-accent);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-sm);
}

.about-block p {
  color: var(--color-text-light);
  line-height: 1.8;
}

.about-block strong {
  color: var(--color-accent);
}

/* 八卦图 */
.about-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.bagua-diagram {
  position: relative;
  width: 300px;
  height: 300px;
}

.bagua-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 3rem;
  color: var(--color-accent);
  z-index: 2;
}

.bagua-ring {
  position: absolute;
  border: 2px solid rgba(201, 169, 98, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ring-1 {
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}

.ring-1 .bz {
  position: absolute;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-accent);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 后天八卦方位 - 传统"上南下北"朝向（面朝南，东左西右） */
.ring-1 .bz[data-pos="离"] { top: 5px; left: 50%; transform: translateX(-50%); }          /* 南 = 顶 */
.ring-1 .bz[data-pos="巽"] { top: 18%; left: 10%; }                                        /* 东南 = 左上 */
.ring-1 .bz[data-pos="震"] { top: 50%; left: 5px; transform: translateY(-50%); }           /* 东 = 左 */
.ring-1 .bz[data-pos="艮"] { bottom: 18%; left: 10%; }                                     /* 东北 = 左下 */
.ring-1 .bz[data-pos="坎"] { bottom: 5px; left: 50%; transform: translateX(-50%); }        /* 北 = 底 */
.ring-1 .bz[data-pos="乾"] { bottom: 18%; right: 10%; }                                    /* 西北 = 右下 */
.ring-1 .bz[data-pos="兑"] { top: 50%; right: 5px; transform: translateY(-50%); }          /* 西 = 右 */
.ring-1 .bz[data-pos="坤"] { top: 18%; right: 10%; }                                       /* 西南 = 右上 */

/* ============================================
   九宫说明
   ============================================ */
.palace-info {
  padding: var(--spacing-2xl) 0;
}

.palace-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  max-width: 600px;
  margin: 0 auto;
}

.palace-card {
  background: var(--color-bg-card);
  border: 1px solid rgba(201, 169, 98, 0.2);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  text-align: center;
  transition: all var(--transition-normal);
}

.palace-card:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-glow);
}

.palace-number {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
}

.palace-bagua {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.palace-direction {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xs);
}

.palace-meaning {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ============================================
   Knowledge Sections (Eight Doors, Nine Stars, etc.)
   ============================================ */
.knowledge-section {
  padding: var(--spacing-2xl) 0;
}

.knowledge-intro {
  display: flex;
  gap: var(--spacing-xl);
  align-items: flex-start;
  margin-bottom: var(--spacing-2xl);
}

.knowledge-image {
  width: 320px;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 2px solid rgba(201, 169, 98, 0.3);
  flex-shrink: 0;
}

.knowledge-intro p {
  color: var(--color-text-light);
  line-height: 1.8;
  font-size: 0.95rem;
}

/* Eight Doors Grid */
.doors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}

.door-card {
  background: var(--color-bg-card);
  border: 1px solid rgba(201, 169, 98, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all 0.3s ease;
}

.door-card:hover {
  transform: translateY(-4px);
  border-color: rgba(201, 169, 98, 0.4);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.door-symbol {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.door-card h3 {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: 2px;
}

.door-pinyin {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.door-quality {
  display: inline-block;
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 10px;
  margin-bottom: 6px;
  font-weight: 500;
}

.door-auspicious .door-quality {
  background: rgba(46, 204, 113, 0.15);
  color: #2ecc71;
  border: 1px solid rgba(46, 204, 113, 0.3);
}

.door-neutral .door-quality {
  background: rgba(241, 196, 15, 0.15);
  color: #f1c40f;
  border: 1px solid rgba(241, 196, 15, 0.3);
}

.door-inauspicious .door-quality {
  background: rgba(231, 76, 60, 0.15);
  color: #e74c3c;
  border: 1px solid rgba(231, 76, 60, 0.3);
}

.door-desc {
  font-size: 0.82rem;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 6px;
}

.door-element {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* Nine Stars Grid */
.stars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.star-card {
  background: var(--color-bg-card);
  border: 1px solid rgba(201, 169, 98, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all 0.3s ease;
}

.star-card:hover {
  transform: translateY(-4px);
  border-color: rgba(201, 169, 98, 0.4);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.star-symbol {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.star-card h3 {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--color-text);
  margin-bottom: 2px;
}

.star-alias {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: 6px;
}

.star-desc {
  font-size: 0.82rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

.star-auspicious { border-left: 3px solid rgba(46, 204, 113, 0.6); }
.star-neutral { border-left: 3px solid rgba(241, 196, 15, 0.6); }
.star-special { border-left: 3px solid rgba(201, 169, 98, 0.6); }

/* Legends Grid */
.legends-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.legend-card {
  background: var(--color-bg-card);
  border: 1px solid rgba(201, 169, 98, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all 0.3s ease;
}

.legend-card:hover {
  border-color: rgba(201, 169, 98, 0.5);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.legend-name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-accent);
  margin-bottom: 4px;
}

.legend-era {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
}

.legend-desc {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* Modern Applications Grid */
.modern-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}

.modern-card {
  background: var(--color-bg-card);
  border: 1px solid rgba(201, 169, 98, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  transition: all 0.3s ease;
}

.modern-card:hover {
  transform: translateY(-4px);
  border-color: rgba(201, 169, 98, 0.4);
}

.modern-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.modern-card h3 {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.modern-card p {
  font-size: 0.82rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* Recommended Reading */
.reading-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.reading-card {
  background: var(--color-bg-card);
  border: 1px solid rgba(201, 169, 98, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all 0.3s ease;
}

.reading-card:hover {
  border-color: rgba(201, 169, 98, 0.4);
}

.reading-card h3 {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-accent);
  margin-bottom: 4px;
}

.reading-author {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
  font-style: italic;
}

.reading-desc {
  font-size: 0.82rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ============================================
   CTA区
   ============================================ */
.cta {
  padding: var(--spacing-2xl) 0;
  text-align: center;
}

.cta-content {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  border: 1px solid rgba(201, 169, 98, 0.3);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  max-width: 600px;
  margin: 0 auto;
}

.cta-title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

.cta-desc {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xl);
  line-height: 1.8;
}

/* ============================================
   页脚
   ============================================ */
.footer {
  padding: var(--spacing-xl) 0;
  border-top: 1px solid rgba(201, 169, 98, 0.1);
  text-align: center;
}

.footer-content {
  max-width: 600px;
  margin: 0 auto;
}

.copyright {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-sm);
}

.disclaimer {
  color: var(--color-text-muted);
  font-size: 0.8rem;
  opacity: 0.7;
}

/* ============================================
   起局页面
   ============================================ */
.qimen-page {
  padding-top: var(--spacing-xl);
}

.page-title {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--color-accent);
  text-align: center;
  margin-bottom: var(--spacing-sm);
}

.title-symbol {
  font-size: 1.5rem;
  vertical-align: middle;
  margin: 0 var(--spacing-sm);
  opacity: 0.7;
}

.page-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xl);
}

/* 表单 */
.qimen-form {
  max-width: 600px;
  margin: 0 auto var(--spacing-2xl);
  background: var(--color-bg-card);
  border: 1px solid rgba(201, 169, 98, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.form-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-label {
  font-size: 0.95rem;
  color: var(--color-text-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.input-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.form-input {
  flex: 1;
  padding: var(--spacing-md);
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(201, 169, 98, 0.3);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(201, 169, 98, 0.2);
}

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

.input-sep {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

#qimenForm .btn-large {
  width: 100%;
}

/* 加载状态 */
.loading-section {
  text-align: center;
  padding: var(--spacing-2xl);
}

.loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.spinner {
  width: 50px;
  height: 50px;
  border: 3px solid rgba(201, 169, 98, 0.2);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.loading-text {
  color: var(--color-text-muted);
}

/* 结果区 */
.result-section {
  max-width: 900px;
  margin: 0 auto;
}

/* 基本信息卡片 */
.base-info {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.info-card {
  background: var(--color-bg-card);
  border: 1px solid rgba(201, 169, 98, 0.2);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.info-card.highlight {
  border-color: var(--color-accent);
  background: rgba(201, 169, 98, 0.1);
}

.info-item {
  flex: 1;
  min-width: 80px;
}

.info-label {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
}

.info-value {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-accent);
}

/* 盘面展示 */
.qimen-board {
  background: var(--color-bg-card);
  border: 1px solid rgba(201, 169, 98, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.board-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-accent);
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.board-legend {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.legend-color {
  width: 12px;
  height: 12px;
  border-radius: 2px;
}

.legend-color.star { background: #3498db; }
.legend-color.door { background: #27ae60; }
.legend-color.spirit { background: #9b59b6; }
.legend-color.liuyi { background: #f39c12; }

/* 九宫格盘面 */
.palace-grid-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  max-width: 600px;
  margin: 0 auto;
}

.palace-cell {
  aspect-ratio: 1;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(201, 169, 98, 0.3);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm);
  display: flex;
  flex-direction: column;
  font-size: 0.75rem;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.palace-cell:hover {
  background: rgba(201, 169, 98, 0.1);
  transform: scale(1.02);
}

.palace-cell.active {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-glow);
}

.palace-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xs);
  padding-bottom: var(--spacing-xs);
  border-bottom: 1px solid rgba(201, 169, 98, 0.2);
}

.palace-num {
  font-family: var(--font-serif);
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

.palace-bagua-cell {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  color: var(--color-accent);
}

.palace-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.7rem;
  line-height: 1.3;
}

.palace-star {
  color: #3498db;
}

.palace-door {
  color: #27ae60;
}

.palace-spirit {
  color: #9b59b6;
}

.palace-liuyi {
  color: #f39c12;
}

/* 操作按钮 */
.result-actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* ============================================
   咨询页面
   ============================================ */
.chat-page {
  padding-top: var(--spacing-lg);
}

/* 盘面概览 */
.board-overview {
  background: var(--color-bg-card);
  border: 1px solid rgba(201, 169, 98, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.overview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.overview-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.overview-content {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.overview-info {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.overview-item {
  min-width: 100px;
}

.overview-label {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.overview-value {
  display: block;
  font-family: var(--font-serif);
  color: var(--color-text);
}

.overview-mini-board {
  width: 150px;
  height: 150px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-sm);
  padding: 2px;
}

.mini-cell {
  background: rgba(201, 169, 98, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  border-radius: 2px;
}

/* 分析类型选择 */
.analysis-type-selector {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  overflow-x: auto;
  padding-bottom: var(--spacing-sm);
}

.type-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-bg-card);
  border: 1px solid rgba(201, 169, 98, 0.2);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: 0.9rem;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

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

.type-btn.active {
  background: rgba(201, 169, 98, 0.2);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* 聊天容器 */
.chat-container {
  background: var(--color-bg-card);
  border: 1px solid rgba(201, 169, 98, 0.2);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.chat-messages {
  height: 400px;
  overflow-y: auto;
  padding: var(--spacing-lg);
}

.message {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  animation: fadeInUp 0.3s ease;
}

.message-ai {
  flex-direction: row;
}

.message-user {
  flex-direction: row-reverse;
}

.message-avatar {
  width: 40px;
  height: 40px;
  background: rgba(201, 169, 98, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--color-accent);
  flex-shrink: 0;
}

.message-content {
  max-width: 70%;
  padding: var(--spacing-md);
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-md);
}

.message-user .message-content {
  background: rgba(201, 169, 98, 0.2);
}

.message-content p {
  margin-bottom: var(--spacing-sm);
  line-height: 1.7;
}

.message-content p:last-child {
  margin-bottom: 0;
}

.message-time {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
}

/* 快速问题 */
.quick-questions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid rgba(201, 169, 98, 0.1);
}

.quick-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  background: transparent;
  border: 1px solid rgba(201, 169, 98, 0.3);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.quick-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(201, 169, 98, 0.1);
}

/* 输入区 */
.chat-input-container {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid rgba(201, 169, 98, 0.1);
}

.chat-input {
  flex: 1;
  padding: var(--spacing-md);
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(201, 169, 98, 0.3);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 1rem;
  resize: none;
  min-height: 44px;
  max-height: 120px;
  font-family: inherit;
}

.chat-input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.btn-send {
  padding: var(--spacing-md) var(--spacing-lg);
  align-self: flex-end;
}

/* API提示 */
.api-hint {
  margin-top: var(--spacing-lg);
}

.hint-content {
  background: rgba(243, 156, 18, 0.1);
  border: 1px solid rgba(243, 156, 18, 0.3);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.hint-icon {
  font-size: 1.5rem;
}

.hint-content p {
  flex: 1;
  color: var(--color-text-light);
}

/* 模态框 */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: var(--color-bg-light);
  border: 1px solid rgba(201, 169, 98, 0.3);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 400px;
  overflow: hidden;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  border-bottom: 1px solid rgba(201, 169, 98, 0.2);
}

.modal-header h3 {
  font-family: var(--font-serif);
  color: var(--color-accent);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text-muted);
  cursor: pointer;
}

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

.modal-body {
  padding: var(--spacing-lg);
}

.modal-body .form-group {
  margin-bottom: var(--spacing-md);
}

.form-hint {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-sm);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  border-top: 1px solid rgba(201, 169, 98, 0.2);
}

/* ============================================
   动画
   ============================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-content {
    order: 1;
  }
  
  .hero-grid {
    order: 0;
    max-width: 300px;
    margin: 0 auto;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .about {
    grid-template-columns: 1fr;
  }
  
  .about-visual {
    order: -1;
  }
  
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    font-size: 15px;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .nav-links {
    gap: var(--spacing-sm);
  }
  
  .nav-link {
    padding: var(--spacing-sm);
  }
  
  .nav-link:not(.nav-cta):not(.nav-active) {
    display: none;
  }
  
  .feature-grid {
    grid-template-columns: 1fr;
  }
  
  .base-info {
    grid-template-columns: 1fr;
  }
  
  .overview-content {
    flex-direction: column;
  }
  
  .overview-mini-board {
    width: 100%;
    height: auto;
    aspect-ratio: 1;
  }
  
  .message-content {
    max-width: 85%;
  }
  
  .chat-messages {
    height: 350px;
  }
  
  .qimen-form {
    padding: var(--spacing-lg);
  }
  
  .input-row {
    flex-wrap: wrap;
  }
  
  .form-input {
    min-width: calc(50% - var(--spacing-sm));
  }

  /* Knowledge sections responsive */
  .knowledge-intro {
    flex-direction: column;
  }
  
  .knowledge-image {
    width: 100%;
    height: 200px;
  }
  
  .doors-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .stars-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .legends-grid {
    grid-template-columns: 1fr;
  }
  
  .modern-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .reading-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .palace-grid {
    gap: var(--spacing-sm);
  }
  
  .palace-card {
    padding: var(--spacing-md);
  }
  
  .result-actions {
    flex-direction: column;
  }
  
  .result-actions .btn {
    width: 100%;
  }
  
  .doors-grid {
    grid-template-columns: 1fr;
  }
  
  .stars-grid {
    grid-template-columns: 1fr;
  }
  
  .modern-grid {
    grid-template-columns: 1fr;
  }
}

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb {
  background: rgba(201, 169, 98, 0.3);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(201, 169, 98, 0.5);
}

/* ========== 理念高亮 ========== */
.about-highlight {
  margin-top: 16px;
  padding: 16px 20px;
  border-left: 3px solid #c9a962;
  background: rgba(201, 169, 98, 0.08);
  border-radius: 0 8px 8px 0;
  font-size: 1.05em;
  line-height: 1.8;
  color: #c9a962;
  font-weight: 500;
  text-align: center;
}

/* ========== 支持我们 ========== */
.support {
  padding: 80px 0;
  text-align: center;
}

.support-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 60px;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

.support-text {
  text-align: left;
  max-width: 480px;
}

.support-text p {
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.9;
  margin-bottom: 12px;
  font-size: 0.95em;
}

.support-text strong {
  color: #c9a962;
}

.support-note {
  margin-top: 16px !important;
  font-size: 0.88em !important;
  color: rgba(255, 255, 255, 0.45) !important;
  font-style: italic;
}

.qr-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(201, 169, 98, 0.25);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  transition: all 0.3s ease;
}

.qr-card:hover {
  border-color: rgba(201, 169, 98, 0.5);
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
}

.qr-image {
  width: 180px;
  height: 180px;
  object-fit: contain;
  border-radius: 8px;
  background: #fff;
  padding: 8px;
}

.qr-label {
  margin-top: 12px;
  font-size: 0.9em;
  color: #c9a962;
}

/* PayPal Donate Card */
.paypal-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 220px;
}

.paypal-logo {
  font-size: 2.2em;
  font-weight: 700;
  color: #003087;
  letter-spacing: -1px;
  margin-bottom: 8px;
}

.paypal-logo span {
  color: #009cde;
}

.paypal-text {
  color: #b8c4c8;
  font-size: 0.95em;
  margin-bottom: 16px;
}

.paypal-btn {
  display: inline-block;
  background: linear-gradient(135deg, #0070ba, #009cde);
  color: #fff !important;
  font-size: 1.05em;
  font-weight: 600;
  padding: 12px 32px;
  border-radius: 25px;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 112, 186, 0.3);
}

.paypal-btn:hover {
  background: linear-gradient(135deg, #005ea6, #0088c7);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 112, 186, 0.45);
}

/* ========== 页脚标语 ========== */
.footer-slogan {
  font-size: 1em;
  color: #c9a962;
  margin-bottom: 8px;
  letter-spacing: 3px;
  font-weight: 500;
}

/* ========== 支持区响应式 ========== */
@media (max-width: 768px) {
  .support-content {
    flex-direction: column;
    gap: 30px;
  }

  .support-text {
    text-align: center;
  }

  .about-highlight {
    font-size: 0.95em;
    padding: 12px 16px;
  }
}

/* ========== 功能介绍说明文字 ========== */
.section-desc {
  max-width: 700px;
  margin: 16px auto 0;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
  font-size: 0.95em;
  text-align: center;
}

/* ========== 永久免费卡片高亮 ========== */
.feature-highlight {
  border-color: var(--color-accent) !important;
  box-shadow: 0 0 15px rgba(201, 169, 98, 0.25);
}

/* Scroll animation visibility */
.feature-card.visible,
.about-block.visible,
.palace-card.visible {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

/* Chat page PayPal donate button */
.paypal-donate-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #0070ba, #009cde);
  color: #fff !important;
  font-size: 1em;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 25px;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 112, 186, 0.3);
}
.paypal-donate-btn:hover {
  background: linear-gradient(135deg, #005ea6, #0088c7);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 112, 186, 0.45);
}
.paypal-icon {
  font-size: 1.1em;
  font-weight: 700;
  letter-spacing: -1px;
}
.paypal-icon span {
  color: #009cde;
}