/* === 全局基准设置 === */
:root {
  --primary-color: #4361ee;
  --secondary-color: #7209b7;
  --neutral-gray: rgb(128, 128, 128);
  --glass-dark: rgba(0, 0, 0, 0.3);
  --text-white: #fff;
  --text-dark: #212529;
  --text-light: #f8f9fa;
  --spacing-xs: 0.8rem;
  --spacing-sm: 1.6rem;
  --spacing-md: 2.4rem;
  --spacing-lg: 3.2rem;
  --border-radius: 0.8rem;
  --border-radius-sm: 0.4rem;
  --shadow: 0 4px 12px rgba(0,0,0,0.1);
  --transition: all 0.3s ease;
  --menu-chip-bg: rgba(240, 230, 210, 0.92);
  --menu-chip-border: rgba(240, 210, 180, 0.6);
  --top-bar-height: 60px;
  --nav-link-font-size: 1.2rem;
  --button-bg-color: rgba(240, 230, 210, 0.92);
  --button-text-color: #4361ee;
  --button-hover-bg: rgba(240, 230, 210, 1);
}

html {
  font-size: 16px;
  line-height: 1.6;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: var(--top-bar-height) 15px 0 15px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 1.2rem;
  color: var(--text-white);
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background: #000000 !important;
}

/* === AX品牌渐变背景 with 蒙版 === */
body.ax-gradient-bg {
  background: 
    linear-gradient(rgba(30, 30, 30, 0.6), rgba(30, 30, 30, 0.6)),
    linear-gradient(135deg, #4a67b3, #a57d7d, #7BC4C4) !important;
  background-attachment: fixed !important;
  min-height: 100vh;
  background-blend-mode: multiply;
}

/* === 标题样式 === */
h1, h2, h3, h4, h5, h6 {
  font-weight: bold;
  line-height: 1.3;
  margin-top: 1.2em;
  margin-bottom: 0.6em;
  color: #ffffff !important;
}

h1 { font-size: 1.6rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.3rem; }
h5 { font-size: 1.2rem; }
h6 { font-size: 1rem; }
h1 { text-wrap: balance; }

/* === 段落 === */
p {
  margin-bottom: 1em;
  color: rgba(255, 255, 255, 0.9) !important;
}

/* ===== 统一按钮样式 ===== */
/* 基础按钮样式 - 所有按钮统一 */
.base-button,
.series-card-cta,
.order-button,
.detail-button,
.nav-button {
  padding: 5px 15px;
  background-color: var(--button-bg-color);
  color: var(--button-text-color);
  text-decoration: none;
  border-radius: var(--border-radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: var(--transition);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow);
  min-width: 100px;
  text-align: center;
}

.base-button:hover,
.series-card-cta:hover,
.order-button:hover,
.detail-button:hover,
.nav-button:hover {
  background-color: var(--button-hover-bg);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* 特定按钮变体 */
.base-button.primary {
  background-color: var(--primary-color);
  color: white;
}

.base-button.outline {
  background-color: transparent;
  border: 2px solid var(--button-bg-color);
  color: var(--button-bg-color);
}

/* 按钮尺寸变体 */
.base-button.small {
  padding: 6px 12px;
  font-size: 0.8rem;
  min-width: 100px;
}

.base-button.large {
  padding: 12px 24px;
  font-size: 1rem;
  min-width: 140px;
}

/* === 汉堡菜单优化 === */
.menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 999;
  background: #000000 !important;
  text-align: center;
  padding: 8px 0;
  max-height: 60px; /* 限制最大高度 */
  overflow-x: auto; /* 允许水平滚动 */
  overflow-y: hidden; /* 禁止垂直滚动 */
}

.menu.show, 
.menu--show { 
  display: block; 
  animation: slideDown 0.25s ease; 
}

.menu__list {
  display: flex !important;
  flex-wrap: nowrap;
  justify-content: flex-start; /* 改为左对齐以便滚动 */
  gap: 8px;
  padding: 0 12px;
  margin: 0;
  list-style: none;
  width: max-content; /* 允许内容决定宽度 */
  min-width: 100%; /* 但至少占满容器 */
}

.menu__item { 
  border: 0 !important; 
  padding: 0 !important; 
  margin: 0;
  background: #000000 !important;
  flex-shrink: 0; /* 防止项目被压缩 */
}

.menu__link {
  display: inline-flex !important;
  align-items: center;
  height: 36px;
  padding: 0 14px;
  border-radius: var(--border-radius);
  background: var(--menu-chip-bg);
  border: 1px solid var(--menu-chip-border);
  color: var(--primary-color);
  font-weight: 600;
  font-size: 1rem; /* 稍微减小字体大小 */
  text-decoration: none;
  line-height: 1;
  transition: var(--transition);
  white-space: nowrap; /* 防止文字换行 */
}

.menu__link.active {
  border: 2px solid #ffffff !important;
  background: rgba(255, 255, 255, 0.15) !important;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(255, 255, 255, 0.2);
  color: #fff !important;
}

.menu__link:hover {
  background: rgba(240, 230, 210, 0.98);
  color: var(--primary-color);
  opacity: 0.8;
  transition: opacity 0.2s ease;
}

/* 按钮文字 */
.button-text {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: #333;
}

/* 导航容器样式 */
.prev-next-nav {
  display: flex;
  justify-content: space-between;
  padding: 15px 0 10px;
  margin: 10px 0 5px;
}

.bottom-series-nav {
  margin-bottom: 20px;
}

.back-nav {
  margin-top: 20px;
  text-align: center;
}

/* === 卡片样式 === */
.ax-card {
  background: rgba(255, 255, 255, 0.12) !important;
  border-radius: 12px;
  padding: 25px;
  margin-bottom: 25px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

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

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

/* ==================================================
   布局工具类
================================================== */
.layout-flex { display: flex; }
.layout-flex-center { display: flex; justify-content: center; align-items: center; }
.layout-flex-column { flex-direction: column; }
.layout-flex-wrap { flex-wrap: wrap; }
.layout-justify-between { justify-content: space-between; }
.layout-justify-around { justify-content: space-around; }
.layout-align-center { align-items: center; }
.layout-grid { display: grid; }
.layout-grid-col-2 { grid-template-columns: repeat(2, 1fr); }
.layout-grid-col-3 { grid-template-columns: repeat(3, 1fr); }
.layout-grid-responsive { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
.layout-gap-sm { gap: var(--spacing-xs); }
.layout-gap-md { gap: var(--spacing-sm); }

.container { 
  width: 100%; 
  max-width: 1200px; 
  padding: var(--spacing-sm); 
  margin: 0 auto; 
}

/* ==================================================
   顶部栏样式
================================================== */
.top-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1000;
  background: #000000 !important;
  box-shadow: 0 -2px 5px rgba(0,0,0,0.1);
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
}

.top-bar__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
}

.top-bar__share {
  font-size: 35px;
  cursor: pointer;
  min-width: 50px;
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

.top-bar__center { 
  text-align: center;
  flex: 1;
  margin: 0 10px;
}

.top-bar__logo { 
  height: 30px;
  display: block;
  margin: 0 auto;
}

.top-bar__slogan {
  font-size: 16px;
  margin: 2px 0 0;
  color: #ffffff;
  animation: breathing 2s infinite;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

@keyframes breathing {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* ==================================================
   汉堡菜单组件
================================================== */
.menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 999;
  background: #000000 !important;
  text-align: center;
  padding: 8px 0;
}

.menu.show, 
.menu--show { 
    display: block; 
    animation: slideDown 0.25s ease; 
}

.top-bar__hamburger,
.menu__button {
  color: #ffffff !important;
  font-size: 35px !important;
  min-width: 50px !important;
  min-height: 50px !important;
  line-height: 1 !important;
}

.menu__list {
  display: flex !important;
  flex-wrap: nowrap;
  justify-content: center;
  gap: 0;
  padding: 0 12px;
  margin: 0;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.menu__item { 
  border: 0 !important; 
  padding: 0 !important; 
  margin: 0 4px;
  background: #000000 !important;
  flex-shrink: 0;
}

@keyframes slideDown { 
  from { opacity: 0; transform: translateY(-10px); } 
  to { opacity: 1; transform: translateY(0); } 
}

/* ==================================================
   底部栏样式 - 优化版
================================================== */
.site-footer {
  width: 100%;
  max-width: 100%;
  margin: 30px 0 0 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  cursor: pointer;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 10px;
  box-sizing: border-box;
  border: 1px solid rgba(128, 128, 128, 0.2);
  height: auto;
  min-height: 45px;
}

.site-footer__label { 
  font-weight: 600; 
  font-size: 1.1rem;
  color: var(--text-white); 
}

.site-footer__logo { 
  height: 20px;
  width: auto; 
}

.site-footer:hover { 
  background: rgba(255, 255, 255, 0.25);
}

.site-footer:active { 
  background: rgba(0, 0, 0, 0.4); 
}

.site-footer:active .site-footer__label, 
.site-footer:active .site-footer__logo { 
  transform: scale(0.95); 
}

/* ==================================================
   响应式设计
================================================== */
@media (max-width: 767px) {
  body {
    padding: var(--top-bar-height) 10px 0 10px;
    font-size: 1rem;
  }
  
  .site-footer {
    margin: 20px 0 0 0;
    padding: 10px 12px;
    min-height: 45px;
  }
  
  .site-footer__label {
    font-size: 1rem;
  }
  
  .site-footer__logo {
    height: 18px;
  }