/* ============================================================
   GRAILA Visual Engine | Header Stylesheet
   ----------------------------------------------------------------
   v0.3.0 - Full DeciDao aesthetic ported from v4 nav code.
   Class naming changed: .dd-nav__* → .gve-nav__*
   CSS variables changed: --dd-* → --gve-*
   ----------------------------------------------------------------
   Note: Font loading is optimized via <link rel="preconnect">
   tags injected by PHP renderer (better than @import).
   ============================================================ */

/* ---------- 全站 CSS 变量 ---------- */
:root {
  /* 主色系 */
  --gve-ink: #0E0E12;
  --gve-ink-soft: #1A1A20;
  --gve-ink-50: rgba(14, 14, 18, 0.5);
  --gve-ink-20: rgba(14, 14, 18, 0.2);
  --gve-ink-08: rgba(14, 14, 18, 0.08);

  /* 点睛色 - 朱砂 */
  --gve-cinnabar: #C8341F;
  --gve-cinnabar-soft: #A82B19;
  --gve-cinnabar-glow: rgba(200, 52, 31, 0.15);

  /* 辅助色 */
  --gve-paper: #F7F4ED;
  --gve-paper-warm: #F0EBE0;
  --gve-mist: #5A6770;
  --gve-mist-soft: #8A929A;
  --gve-mist-line: #D4D0C8;

  /* 字体 */
  --gve-font-display-en: 'Cormorant Garamond', 'Times New Roman', serif;
  --gve-font-body-en: 'Manrope', -apple-system, sans-serif;
  --gve-font-display-cn: 'Noto Serif SC', 'Source Han Serif SC', '思源宋体', 'Songti SC', '宋体', serif;
  --gve-font-body-cn: 'Noto Sans SC', 'Source Han Sans SC', '思源黑体', 'PingFang SC', sans-serif;

  /* 字号 */
  --gve-text-xs: 0.75rem;
  --gve-text-sm: 0.875rem;
  --gve-text-base: 1rem;
  --gve-text-md: 1.125rem;
  --gve-text-lg: 1.5rem;
  --gve-text-xl: 2rem;
  --gve-text-2xl: 2.75rem;
  --gve-text-3xl: 4rem;
  --gve-text-display: 6.5rem;

  /* 间距 */
  --gve-space-1: 0.5rem;
  --gve-space-2: 1rem;
  --gve-space-3: 1.5rem;
  --gve-space-4: 2rem;
  --gve-space-6: 3rem;
  --gve-space-8: 4rem;
  --gve-space-12: 6rem;
  --gve-space-16: 8rem;
  --gve-space-20: 10rem;
  --gve-space-24: 12rem;

  /* 缓动 */
  --gve-ease-flow: cubic-bezier(0.16, 1, 0.3, 1);
  --gve-ease-still: cubic-bezier(0.4, 0, 0.2, 1);
  --gve-ease-breath: cubic-bezier(0.45, 0, 0.55, 1);

  /* 时长 */
  --gve-duration-instant: 200ms;
  --gve-duration-quick: 400ms;
  --gve-duration-normal: 800ms;
  --gve-duration-slow: 1200ms;
  --gve-duration-slower: 1800ms;
  --gve-duration-breath: 6000ms;

  /* 导航栏专用 */
  --gve-nav-height: 80px;
  --gve-nav-bg: rgba(247, 244, 237, 0.85);
  --gve-nav-bg-scrolled: rgba(247, 244, 237, 0.95);
  --gve-nav-border: rgba(14, 14, 18, 0.06);

  /* Logo 尺寸变量 */
  --gve-logo-nav: 44px;
}

/* ============================================================
   全局基础重置(仅作用于自定义内容,避免破坏其他主题)
   ============================================================ */
.gve-page,
.gve-page * {
  box-sizing: border-box;
}

.gve-page {
  font-family: var(--gve-font-body-cn);
  color: var(--gve-text, var(--gve-ink));
  background: var(--gve-paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================================
   主题原生导航栏覆盖(让用户的主题让位给 GRAILA Header)
   ============================================================ */

/* 隐藏 Astra 默认导航栏 */
body.gve-custom-nav .ast-primary-header-bar,
body.gve-custom-nav .ast-above-header,
body.gve-custom-nav .ast-below-header {
  display: none !important;
}

/* 给 body 留出导航栏空间 */
body.gve-custom-nav {
  padding-top: var(--gve-nav-height);
}

/* ============================================================
   GRAILA 自定义导航栏
   ============================================================ */

.gve-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--gve-nav-height);
  z-index: 9999;
  background: var(--gve-nav-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid transparent;
  transition:
    background var(--gve-duration-quick) var(--gve-ease-still),
    border-color var(--gve-duration-quick) var(--gve-ease-still),
    box-shadow var(--gve-duration-quick) var(--gve-ease-still);
}

.gve-nav.is-scrolled {
  background: var(--gve-nav-bg-scrolled);
  border-bottom-color: var(--gve-nav-border);
  box-shadow: 0 1px 0 0 rgba(14, 14, 18, 0.03);
}

.gve-nav__inner {
  height: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--gve-space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gve-space-6);
}

/* ---------- 品牌 LOGO ---------- */
.gve-nav__brand {
  display: flex;
  align-items: center;
  gap: var(--gve-space-2);
  text-decoration: none;
  color: var(--gve-ink);
  flex-shrink: 0;
  white-space: nowrap;
  transition: opacity var(--gve-duration-quick) var(--gve-ease-still);
}

.gve-nav__brand:hover {
  opacity: 0.7;
}

/* 印章 - 导航栏版本 */
.gve-nav__seal {
  width: var(--gve-logo-nav);
  height: var(--gve-logo-nav);
  flex-shrink: 0;
  color: var(--gve-cinnabar);
  transform: rotate(-3deg);
  transition: transform var(--gve-duration-slow) var(--gve-ease-flow);
}

.gve-nav__brand:hover .gve-nav__seal {
  transform: rotate(3deg);
}

/* 兼容 <img> 标签 */
img.gve-nav__seal {
  display: block;
  object-fit: contain;
}

/* 品牌名英文 */
.gve-nav__brand-en {
  font-family: var(--gve-font-display-en);
  font-weight: 500;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
  line-height: 1;
  white-space: nowrap;
}

/* 品牌名中文 */
.gve-nav__brand-cn {
  font-family: var(--gve-font-display-cn);
  font-weight: 400;
  font-size: 0.875rem;
  letter-spacing: 0.18em;
  color: var(--gve-mist);
  line-height: 1;
  margin-top: 4px;
  white-space: nowrap;
}

.gve-nav__brand-stack {
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex-shrink: 0;
}

/* ---------- 主导航菜单 ---------- */
.gve-nav__menu {
  display: flex;
  align-items: center;
  gap: var(--gve-space-6);
  list-style: none;
  margin: 0;
  padding: 0;
  flex-shrink: 0;
}

.gve-nav__item {
  position: relative;
}

.gve-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-family: var(--gve-font-display-cn);
  font-size: 1rem;
  font-weight: 400;
  color: var(--gve-ink);
  text-decoration: none;
  padding: var(--gve-space-1) 0;
  letter-spacing: 0.1em;
  white-space: nowrap;
  transition: color var(--gve-duration-quick) var(--gve-ease-still);
  position: relative;
}

.gve-nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -4px;
  height: 1px;
  background: var(--gve-cinnabar);
  transition: right var(--gve-duration-normal) var(--gve-ease-flow);
}

.gve-nav__link:hover {
  color: var(--gve-cinnabar);
}

.gve-nav__link:hover::after {
  right: 0;
}

.gve-nav__link.is-active {
  color: var(--gve-cinnabar);
}

.gve-nav__link.is-active::after {
  right: 0;
}

/* ---------- 右侧操作区 ---------- */
.gve-nav__actions {
  display: flex;
  align-items: center;
  gap: var(--gve-space-3);
  flex-shrink: 0;
}

/* CTA 按钮 - 主操作(玄黑底,旧样式,保留为兼容) */
.gve-nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--gve-font-body-cn);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--gve-paper);
  background: var(--gve-ink);
  text-decoration: none;
  padding: 0.7em 1.4em;
  border-radius: 2px;
  letter-spacing: 0.05em;
  flex-shrink: 0;
  white-space: nowrap;
  transition:
    background var(--gve-duration-quick) var(--gve-ease-still),
    transform var(--gve-duration-quick) var(--gve-ease-still);
  position: relative;
  overflow: hidden;
}

.gve-nav__cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gve-cinnabar);
  transform: translateY(100%);
  transition: transform var(--gve-duration-normal) var(--gve-ease-flow);
}

.gve-nav__cta span {
  position: relative;
  z-index: 1;
  white-space: nowrap;
}

.gve-nav__cta:hover::before {
  transform: translateY(0);
}

.gve-nav__cta:hover {
  color: var(--gve-paper);
}

.gve-nav__cta-arrow {
  position: relative;
  z-index: 1;
  display: inline-block;
  transition: transform var(--gve-duration-normal) var(--gve-ease-flow);
}

.gve-nav__cta:hover .gve-nav__cta-arrow {
  transform: translateX(4px);
}

/* ---------- 移动端汉堡按钮 ---------- */
.gve-nav__toggle {
  display: none;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  position: relative;
}

.gve-nav__toggle-line {
  position: absolute;
  left: 8px;
  right: 8px;
  height: 1px;
  background: var(--gve-ink);
  transition:
    transform var(--gve-duration-normal) var(--gve-ease-flow),
    opacity var(--gve-duration-quick) var(--gve-ease-still),
    top var(--gve-duration-normal) var(--gve-ease-flow);
}

.gve-nav__toggle-line:nth-child(1) { top: 14px; }
.gve-nav__toggle-line:nth-child(2) { top: 20px; }
.gve-nav__toggle-line:nth-child(3) { top: 26px; }

.gve-nav__toggle.is-open .gve-nav__toggle-line:nth-child(1) {
  top: 20px;
  transform: rotate(45deg);
}
.gve-nav__toggle.is-open .gve-nav__toggle-line:nth-child(2) {
  opacity: 0;
}
.gve-nav__toggle.is-open .gve-nav__toggle-line:nth-child(3) {
  top: 20px;
  transform: rotate(-45deg);
}

/* ---------- 移动端抽屉菜单 ---------- */
.gve-nav__drawer {
  position: fixed;
  top: var(--gve-nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gve-paper);
  z-index: 9998;
  padding: var(--gve-space-6) var(--gve-space-4) var(--gve-space-8);
  transform: translateX(100%);
  transition: transform var(--gve-duration-slow) var(--gve-ease-flow);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.gve-nav__drawer.is-open {
  transform: translateX(0);
}

.gve-nav__drawer-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

/* 嵌套子菜单(默认折叠) */
.gve-nav__drawer-submenu {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--gve-duration-normal) var(--gve-ease-flow);
}

.gve-nav__drawer-item--has-children:not(.gve-nav__drawer-item--collapsed)
  > .gve-nav__drawer-submenu {
  max-height: 2000px;
}

/* 菜单项的"行"(链接 + 箭头按钮的 flex 容器) */
.gve-nav__drawer-row {
  display: flex;
  align-items: stretch;
  border-bottom: 1px solid var(--gve-mist-line);
}

/* 菜单链接(文字本身,可点击跳转) */
.gve-nav__drawer-link {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--gve-space-2) 0;
  text-decoration: none;
  color: var(--gve-ink);
  transition: color var(--gve-duration-quick) var(--gve-ease-still);
}

.gve-nav__drawer-link:hover,
.gve-nav__drawer-link:focus {
  color: var(--gve-cinnabar);
}

/* 主名(中文,宋体) */
.gve-nav__drawer-link-main {
  font-family: var(--gve-font-display-cn);
  font-weight: 400;
  letter-spacing: 0.1em;
}

/* 描述小字(宋体) */
.gve-nav__drawer-link-desc {
  display: block;
  font-family: var(--gve-font-display-cn);
  font-weight: 300;
  font-size: 0.8125rem;
  color: var(--gve-mist);
  letter-spacing: 0.04em;
  margin-top: 2px;
}

/* 不同层级的字号 */
.gve-nav__drawer-link--depth-0 .gve-nav__drawer-link-main {
  font-size: 1.375rem;
}
.gve-nav__drawer-link--depth-1 .gve-nav__drawer-link-main {
  font-size: 1.0625rem;
  color: var(--gve-mist);
}
.gve-nav__drawer-link--depth-2 .gve-nav__drawer-link-main {
  font-size: 0.9375rem;
  color: var(--gve-mist);
}

/* 二级三级缩进 */
.gve-nav__drawer-item--depth-1 > .gve-nav__drawer-row {
  padding-left: var(--gve-space-3);
}
.gve-nav__drawer-item--depth-2 > .gve-nav__drawer-row {
  padding-left: var(--gve-space-6);
}

/* 二级三级前面的小标识 */
.gve-nav__drawer-link--depth-1::before,
.gve-nav__drawer-link--depth-2::before {
  content: '·';
  display: inline-block;
  margin-right: 0.5em;
  color: var(--gve-cinnabar);
  font-weight: 700;
}

/* 展开/折叠箭头按钮 */
.gve-nav__drawer-toggle {
  flex-shrink: 0;
  width: 48px;
  height: auto;
  background: none;
  border: 0;
  border-left: 1px solid var(--gve-mist-line);
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--gve-duration-quick) var(--gve-ease-still);
}

.gve-nav__drawer-toggle:hover {
  background: rgba(200, 52, 31, 0.05);
}

.gve-nav__drawer-toggle:focus-visible {
  outline: 2px solid var(--gve-cinnabar);
  outline-offset: -2px;
}

/* 箭头(▶ 形状,用 CSS 三角) */
.gve-nav__drawer-toggle-arrow {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid var(--gve-mist);
  border-bottom: 1.5px solid var(--gve-mist);
  transform: rotate(-45deg);
  transition:
    transform var(--gve-duration-normal) var(--gve-ease-flow),
    border-color var(--gve-duration-quick) var(--gve-ease-still);
}

/* 展开时箭头转向下 */
.gve-nav__drawer-item--has-children:not(.gve-nav__drawer-item--collapsed)
  > .gve-nav__drawer-row .gve-nav__drawer-toggle-arrow {
  transform: rotate(45deg);
  border-color: var(--gve-cinnabar);
}

/* 抽屉底部区(CTA + 语言 + 社交) */
.gve-nav__drawer-footer {
  margin-top: auto;
  padding-top: var(--gve-space-6);
  display: flex;
  flex-direction: column;
  gap: var(--gve-space-3);
}

/* ============================================================
   响应式
   ============================================================ */

@media (max-width: 1024px) {
  .gve-nav__menu {
    gap: var(--gve-space-3);
  }
  .gve-nav__link {
    font-size: 0.9375rem;
    letter-spacing: 0.06em;
  }
}

@media (max-width: 880px) {
  :root {
    --gve-nav-height: 64px;
  }

  .gve-nav__inner {
    padding: 0 var(--gve-space-3);
  }

  .gve-nav__menu,
  .gve-nav__lang,
  .gve-nav__inner > .gve-nav__actions > .gve-nav__cta {
    display: none;
  }

  /* drawer 内的 CTA 显式可见 */
  .gve-nav__drawer-council .gve-nav__cta {
    display: inline-flex !important;
    width: auto;
    margin: 0;
  }

  .gve-nav__toggle {
    display: block;
  }

  .gve-nav__brand-en {
    font-size: 1.25rem;
  }

  .gve-nav__brand-cn {
    font-size: 0.75rem;
  }
}

/* ============================================================
   首次加载入场动画
   ============================================================ */

@keyframes gve-nav-fade-in {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.gve-nav {
  animation: gve-nav-fade-in var(--gve-duration-slower) var(--gve-ease-flow) both;
}

.gve-nav__brand     { animation: gve-nav-fade-in var(--gve-duration-slower) var(--gve-ease-flow) 100ms both; }
.gve-nav__item:nth-child(1) { animation: gve-nav-fade-in var(--gve-duration-slower) var(--gve-ease-flow) 200ms both; }
.gve-nav__item:nth-child(2) { animation: gve-nav-fade-in var(--gve-duration-slower) var(--gve-ease-flow) 250ms both; }
.gve-nav__item:nth-child(3) { animation: gve-nav-fade-in var(--gve-duration-slower) var(--gve-ease-flow) 300ms both; }
.gve-nav__item:nth-child(4) { animation: gve-nav-fade-in var(--gve-duration-slower) var(--gve-ease-flow) 350ms both; }
.gve-nav__item:nth-child(5) { animation: gve-nav-fade-in var(--gve-duration-slower) var(--gve-ease-flow) 400ms both; }
.gve-nav__item:nth-child(6) { animation: gve-nav-fade-in var(--gve-duration-slower) var(--gve-ease-flow) 450ms both; }
.gve-nav__item:nth-child(7) { animation: gve-nav-fade-in var(--gve-duration-slower) var(--gve-ease-flow) 500ms both; }
.gve-nav__lang      { animation: gve-nav-fade-in var(--gve-duration-slower) var(--gve-ease-flow) 500ms both; }
.gve-nav__cta       { animation: gve-nav-fade-in var(--gve-duration-slower) var(--gve-ease-flow) 600ms both; }

/* ============================================================
   降低动效偏好(辅助功能)
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .gve-nav,
  .gve-nav *,
  .gve-nav *::before,
  .gve-nav *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================================
   多级下拉菜单系统
   - 一级 → 二级:点击触发或悬停展开,垂直排列
   - 二级 → 三级:右侧弹出面板
   ============================================================ */

/* ---- 一级菜单项的 caret 箭头 ---- */
.gve-nav__caret {
  display: inline-block;
  font-size: 0.65em;
  margin-left: 0.35em;
  color: var(--gve-mist);
  transition:
    transform var(--gve-duration-quick) var(--gve-ease-still),
    color var(--gve-duration-quick) var(--gve-ease-still);
  vertical-align: 1px;
}

.gve-nav__item--has-children:hover .gve-nav__caret,
.gve-nav__item--has-children.is-open .gve-nav__caret {
  color: var(--gve-cinnabar);
  transform: rotate(180deg);
}

/* ---- 二级下拉容器 ---- */
.gve-nav__dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 280px;
  background: var(--gve-paper);
  border: 1px solid var(--gve-mist-line);
  box-shadow: 0 10px 40px rgba(14, 14, 18, 0.08);
  padding: var(--gve-space-2) 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity var(--gve-duration-normal) var(--gve-ease-flow),
    transform var(--gve-duration-normal) var(--gve-ease-flow),
    visibility var(--gve-duration-normal) var(--gve-ease-flow);
  z-index: 100;
}

.gve-nav__item--has-children.is-open > .gve-nav__dropdown,
.gve-nav__item--has-children:hover > .gve-nav__dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

/* 下拉菜单顶部的小三角(指向触发的菜单项) */
.gve-nav__dropdown::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 12px;
  height: 12px;
  background: var(--gve-paper);
  border-top: 1px solid var(--gve-mist-line);
  border-left: 1px solid var(--gve-mist-line);
}

/* ---- 二级菜单项 ---- */
.gve-nav__dropdown-item {
  position: relative;
}

.gve-nav__dropdown-link {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--gve-space-2) var(--gve-space-3);
  text-decoration: none;
  color: var(--gve-ink);
  font-family: var(--gve-font-display-cn);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  transition:
    background var(--gve-duration-quick) var(--gve-ease-still),
    color var(--gve-duration-quick) var(--gve-ease-still);
}

.gve-nav__dropdown-link:hover {
  background: var(--gve-paper-warm);
  color: var(--gve-cinnabar);
}

.gve-nav__dropdown-cn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5em;
  font-weight: 400;
}

.gve-nav__dropdown-en {
  font-family: var(--gve-font-display-en);
  font-style: italic;
  font-size: 0.75rem;
  color: var(--gve-mist);
  letter-spacing: 0.02em;
  transition: color var(--gve-duration-quick) var(--gve-ease-still);
}

.gve-nav__dropdown-link:hover .gve-nav__dropdown-en {
  color: var(--gve-cinnabar);
}

/* ---- 三级菜单触发箭头 ---- */
.gve-nav__sub-arrow {
  font-size: 1em;
  color: var(--gve-mist);
  transition:
    transform var(--gve-duration-quick) var(--gve-ease-still),
    color var(--gve-duration-quick) var(--gve-ease-still);
}

.gve-nav__dropdown-item--has-children:hover .gve-nav__sub-arrow,
.gve-nav__dropdown-item--has-children.is-open-sub .gve-nav__sub-arrow {
  color: var(--gve-cinnabar);
  transform: translateX(2px);
}

/* ---- 三级子菜单(右侧弹出面板) ---- */
.gve-nav__submenu {
  position: absolute;
  top: -1px;                    /* 与父项顶部对齐 */
  left: calc(100% + 6px);       /* 右侧错开 6px 缝隙 */
  min-width: 260px;
  background: var(--gve-paper);
  border: 1px solid var(--gve-mist-line);
  box-shadow: 0 10px 40px rgba(14, 14, 18, 0.08);
  padding: var(--gve-space-2) 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(-6px);
  transition:
    opacity var(--gve-duration-normal) var(--gve-ease-flow),
    transform var(--gve-duration-normal) var(--gve-ease-flow),
    visibility var(--gve-duration-normal) var(--gve-ease-flow);
  z-index: 101;
}

.gve-nav__dropdown-item--has-children.is-open-sub > .gve-nav__submenu,
.gve-nav__dropdown-item--has-children:hover > .gve-nav__submenu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(0);
}

/* 三级子菜单的左侧小三角 */
.gve-nav__submenu::before {
  content: '';
  position: absolute;
  top: 14px;
  left: -6px;
  transform: rotate(45deg);
  width: 12px;
  height: 12px;
  background: var(--gve-paper);
  border-bottom: 1px solid var(--gve-mist-line);
  border-left: 1px solid var(--gve-mist-line);
}

/* ---- 移动端:下拉菜单整体禁用,所有菜单项平铺到抽屉里 ---- */
@media (max-width: 880px) {
  .gve-nav__dropdown,
  .gve-nav__submenu,
  .gve-nav__caret {
    display: none !important;
  }
}

/* ============================================================
   多级菜单的激活态样式
   - 一级菜单项激活:下方朱砂红下划线 + 文字变红
   - 二级菜单项激活:左侧朱砂红竖线 + 文字变红
   - 子菜单项激活时,父级一级菜单也会同步显示激活态
   ============================================================ */

/* 二级下拉菜单项的激活态 */
.gve-nav__dropdown-link.is-active {
  background: var(--gve-paper-warm);
  color: var(--gve-cinnabar);
  position: relative;
}

.gve-nav__dropdown-link.is-active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gve-cinnabar);
}

.gve-nav__dropdown-link.is-active .gve-nav__dropdown-en {
  color: var(--gve-cinnabar);
}

/* 移动端抽屉的激活态 */
.gve-nav__drawer-link.is-active {
  color: var(--gve-cinnabar) !important;
  border-left: 2px solid var(--gve-cinnabar);
  padding-left: calc(var(--gve-space-3, 1.5rem) - 2px) !important;
}

.gve-nav__drawer-link.is-active .gve-nav__drawer-en {
  color: var(--gve-cinnabar);
}

/* ============================================================
   语言切换下拉菜单
   ----------------------------------------------------------------
   交互模式:点击触发,下拉显示所有语言;再次点击或选择后关闭
   设计:从中点向下展开,与一级菜单的下拉风格保持一致
   ============================================================ */

/* 容器 - 包裹 button + dropdown,作为定位上下文 */
.gve-nav__lang-wrapper {
  position: relative;
}

/* 触发按钮 - 显示当前语言 */
.gve-nav__lang-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-family: var(--gve-font-body-en);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--gve-mist);
  letter-spacing: 0.1em;
  cursor: pointer;
  background: none;
  border: none;
  padding: var(--gve-space-1) var(--gve-space-2);
  transition: color var(--gve-duration-quick) var(--gve-ease-still);
}

.gve-nav__lang-trigger:hover {
  color: var(--gve-ink);
}

.gve-nav__lang-trigger.is-open {
  color: var(--gve-ink);
}

/* 当前语言代码(显示在按钮上,如 "中" 或 "EN") */
.gve-nav__lang-current {
  text-transform: uppercase;
}

/* 三角箭头 */
.gve-nav__lang-caret {
  font-size: 0.65em;
  transition: transform var(--gve-duration-quick) var(--gve-ease-still);
  display: inline-block;
}

.gve-nav__lang-trigger.is-open .gve-nav__lang-caret {
  transform: rotate(180deg);
}

/* 下拉容器 */
.gve-nav__lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  transform: translateY(8px);
  min-width: 200px;
  background: var(--gve-paper);
  border: 1px solid var(--gve-mist-line);
  box-shadow: 0 10px 40px rgba(14, 14, 18, 0.08);
  padding: var(--gve-space-1) 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity var(--gve-duration-normal) var(--gve-ease-flow),
    transform var(--gve-duration-normal) var(--gve-ease-flow),
    visibility var(--gve-duration-normal) var(--gve-ease-flow);
  z-index: 100;
}

.gve-nav__lang-wrapper.is-open .gve-nav__lang-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

/* 下拉指向箭头 */
.gve-nav__lang-dropdown::before {
  content: '';
  position: absolute;
  top: -6px;
  right: 18px;
  transform: rotate(45deg);
  width: 12px;
  height: 12px;
  background: var(--gve-paper);
  border-top: 1px solid var(--gve-mist-line);
  border-left: 1px solid var(--gve-mist-line);
}

/* 单个语言选项 */
.gve-nav__lang-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gve-space-3);
  padding: var(--gve-space-2) var(--gve-space-4);
  font-family: var(--gve-font-body-cn);
  font-size: 0.875rem;
  color: var(--gve-ink);
  background: none;
  border: none;
  cursor: pointer;
  width: 100%;
  text-align: left;
  letter-spacing: 0.04em;
  white-space: nowrap;
  transition:
    background var(--gve-duration-quick) var(--gve-ease-still),
    color var(--gve-duration-quick) var(--gve-ease-still);
}

.gve-nav__lang-option > span:first-child {
  flex: 1 1 auto;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.gve-nav__lang-option:hover {
  background: var(--gve-paper-warm);
  color: var(--gve-cinnabar);
}

.gve-nav__lang-option.is-active {
  color: var(--gve-cinnabar);
  font-weight: 500;
}

/* 语言代码小字(右侧) */
.gve-nav__lang-code {
  font-family: var(--gve-font-body-en);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--gve-mist);
  text-transform: uppercase;
}

.gve-nav__lang-option.is-active .gve-nav__lang-code,
.gve-nav__lang-option:hover .gve-nav__lang-code {
  color: var(--gve-cinnabar);
}

/* 移动端:语言下拉藏起来,在抽屉里展示 */
@media (max-width: 880px) {
  .gve-nav__lang-wrapper {
    display: none;
  }

  /* 抽屉里的语言切换组 */
  .gve-nav__drawer-lang {
    margin-top: var(--gve-space-4);
    padding-top: var(--gve-space-4);
    border-top: 1px solid var(--gve-mist-line);
    display: flex;
    flex-wrap: wrap;
    gap: var(--gve-space-2);
  }

  .gve-nav__drawer-lang-option {
    font-family: var(--gve-font-body-en);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--gve-mist);
    letter-spacing: 0.1em;
    background: transparent;
    border: 1px solid var(--gve-mist-line);
    padding: var(--gve-space-1) var(--gve-space-3);
    cursor: pointer;
    transition: all var(--gve-duration-quick) var(--gve-ease-still);
  }

  .gve-nav__drawer-lang-option:hover {
    color: var(--gve-cinnabar);
    border-color: var(--gve-cinnabar);
  }

  .gve-nav__drawer-lang-option.is-active {
    color: var(--gve-paper);
    background: var(--gve-cinnabar);
    border-color: var(--gve-cinnabar);
  }
}

/* ============================================================
   "进入明决会" CTA 按钮
   ----------------------------------------------------------------
   视觉策略:与 .gve-nav__cta 颜色反转
   - 默认: 朱砂红底 + 白字
   - 悬停: 玄黑从下方升起覆盖,白字保留
   注意:"进入"二字小一点,作为"明决会"的注释
   ============================================================ */

.gve-nav__council {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--gve-font-display-cn);
  font-size: 1rem;
  font-weight: 400;
  color: var(--gve-paper);
  background: var(--gve-cinnabar);   /* 朱砂红底 */
  text-decoration: none;
  padding: 0.7em 1.4em;
  border-radius: 2px;
  letter-spacing: 0.08em;
  flex-shrink: 0;
  white-space: nowrap;
  transition:
    background var(--gve-duration-quick) var(--gve-ease-still),
    transform var(--gve-duration-quick) var(--gve-ease-still);
  position: relative;
  overflow: hidden;
}

.gve-nav__council::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gve-ink);        /* 玄黑覆盖层 */
  transform: translateY(100%);
  transition: transform var(--gve-duration-normal) var(--gve-ease-flow);
}

.gve-nav__council span {
  position: relative;
  z-index: 1;
  white-space: nowrap;
}

.gve-nav__council:hover::before {
  transform: translateY(0);
}

.gve-nav__council:hover {
  color: var(--gve-paper);
}

/* "进入"二字 - 小一点、淡一点,作为注释 */
.gve-nav__council-prefix {
  font-size: 0.78em;                /* 比"明决会"小约 22% */
  font-weight: 400;
  opacity: 0.78;
  letter-spacing: 0.08em;
}

/* 箭头 */
.gve-nav__council-arrow {
  position: relative;
  z-index: 1;
  display: inline-block;
  transition: transform var(--gve-duration-normal) var(--gve-ease-flow);
}

.gve-nav__council:hover .gve-nav__council-arrow {
  transform: translateX(4px);
}

/* ============================================================
   社交媒体图标
   ----------------------------------------------------------------
   线条风格(stroke),与品牌"克制、留白"的调性一致
   默认 mist 灰,悬停 cinnabar 朱砂红
   ============================================================ */

.gve-nav__social {
  display: inline-flex;
  align-items: center;
  gap: var(--gve-space-2);
  margin-left: var(--gve-space-2);
}

.gve-nav__social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  color: var(--gve-mist);
  transition:
    color var(--gve-duration-quick) var(--gve-ease-still),
    transform var(--gve-duration-quick) var(--gve-ease-still);
  text-decoration: none;
}

.gve-nav__social-link:hover {
  color: var(--gve-cinnabar);
  transform: translateY(-1px);
}

.gve-nav__social-link svg {
  width: 18px;
  height: 18px;
  display: block;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* X (Twitter) 图标体积小一点 */
.gve-nav__social-link--x svg {
  width: 16px;
  height: 16px;
}

/* ============================================================
   下拉菜单项的"高度概括说明"小字
   ----------------------------------------------------------------
   适用于二级和三级菜单,中文名后跟一句简短功能说明
   例:"白泽 · 通万象信息" 中"通万象信息"是说明文字
   ============================================================ */

.gve-nav__dropdown-desc {
  display: block;
  font-family: var(--gve-font-display-cn);
  font-style: normal;
  font-size: 0.8125rem;
  color: var(--gve-mist);
  letter-spacing: 0.05em;
  margin-top: 2px;
  font-weight: 300;
  transition: color var(--gve-duration-quick) var(--gve-ease-still);
}

.gve-nav__dropdown-link:hover .gve-nav__dropdown-desc {
  color: var(--gve-cinnabar);
  opacity: 0.7;
}

.gve-nav__dropdown-link.is-active .gve-nav__dropdown-desc {
  color: var(--gve-cinnabar);
  opacity: 0.7;
}

/* ============================================================
   抽屉里的社交图标(移动端)
   ----------------------------------------------------------------
   桌面顶栏的社交图标在移动端隐藏,
   抽屉底部增加同样的一组(在语言按钮组下面)
   ============================================================ */

.gve-nav__drawer-social {
  display: flex;
  align-items: center;
  gap: var(--gve-space-3);
  margin-top: var(--gve-space-4);
  padding-top: var(--gve-space-4);
  border-top: 1px solid var(--gve-mist-line);
}

.gve-nav__drawer-social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--gve-mist);
  transition: color var(--gve-duration-quick) var(--gve-ease-still);
  text-decoration: none;
}

.gve-nav__drawer-social-link:hover {
  color: var(--gve-cinnabar);
}

.gve-nav__drawer-social-link svg {
  width: 22px;
  height: 22px;
  display: block;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ============================================================
   响应式 - 桌面社交图标在窄屏隐藏
   ============================================================ */

/* 中等宽度屏幕(平板横屏 / 小桌面):隐藏顶栏 social,
   它们仍然在汉堡抽屉的 social 区,以及 footer 中可访问 */
@media (max-width: 1280px) {
  .gve-nav__social {
    display: none;
  }
}

@media (max-width: 880px) {
  .gve-nav__council {
    display: none;
  }
}

/* 抽屉里的"进入明决会"按钮(移动端等价物) */
.gve-nav__drawer-council {
  margin-top: var(--gve-space-3);
  padding-top: var(--gve-space-4);
  border-top: 1px solid var(--gve-mist-line);
  display: flex;
  justify-content: center;
}

/* 独立 class - 永不被任何 mobile 隐藏规则误伤 */
.gve-nav__drawer-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--gve-font-display-cn);
  font-size: 1rem;
  font-weight: 400;
  color: var(--gve-paper);
  background: var(--gve-cinnabar);
  text-decoration: none;
  padding: 0.85em 1.6em;
  border-radius: 2px;
  letter-spacing: 0.08em;
  white-space: nowrap;
  transition:
    background var(--gve-duration-quick) var(--gve-ease-still),
    transform var(--gve-duration-quick) var(--gve-ease-still);
}

.gve-nav__drawer-cta:hover {
  background: var(--gve-ink);
}

.gve-nav__drawer-cta-prefix {
  font-size: 0.75em;
  opacity: 0.85;
  letter-spacing: 0.15em;
  white-space: nowrap;
}

.gve-nav__drawer-cta-label {
  white-space: nowrap;
}

.gve-nav__drawer-cta-arrow {
  margin-left: 0.4em;
  transition: transform var(--gve-duration-quick) var(--gve-ease-still);
}

.gve-nav__drawer-cta:hover .gve-nav__drawer-cta-arrow {
  transform: translateX(4px);
}

/* 在 drawer 内,即使 mobile media query 全局隐藏了 .gve-nav__cta,也强制显示 */
.gve-nav__drawer-council .gve-nav__cta {
  display: inline-flex !important;
  width: auto;
  margin: 0;
}