/* ============================================================
   KPOP.WANG 全站统一导航组件样式
   命名空间：#kpnav / .kpnav-*
   规范：纯白底 #FFFFFF + 品牌蓝 #1677FF + 深炭灰 #1D2129
   覆盖：PbootCMS 模板页、物理静态页、design-editor 操作台页
   ============================================================ */

#kpnav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #FFFFFF;
  border-bottom: 1px solid #E5E6EB;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}
#kpnav * { box-sizing: border-box; }

#kpnav .kpnav-in {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

#kpnav a { text-decoration: none; color: inherit; }

/* Logo */
#kpnav .kpnav-logo {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: #1D2129;
  white-space: nowrap;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
}
#kpnav .kpnav-logo span { color: #1677FF; }
#kpnav .kpnav-badge {
  font-size: .62rem;
  font-weight: 400;
  background: rgba(22,119,255,.1);
  border: 1px solid rgba(22,119,255,.25);
  color: #1677FF;
  padding: 2px 10px;
  border-radius: 60px;
  margin-left: 8px;
  letter-spacing: .5px;
  white-space: nowrap;
}

/* 菜单 */
#kpnav .kpnav-menu {
  display: flex;
  gap: 26px;
  align-items: center;
  margin: 0 auto;
}
#kpnav .kpnav-menu a {
  position: relative;
  color: #1D2129;
  font-weight: 500;
  font-size: .9rem;
  transition: color .2s ease;
  white-space: nowrap;
  padding: 6px 0;
}
#kpnav .kpnav-menu a:hover { color: #1677FF; }
#kpnav .kpnav-menu a.is-active {
  color: #1677FF;
  font-weight: 600;
}
#kpnav .kpnav-menu a.is-active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 2px;
  background: #1677FF;
  border-radius: 2px;
}

/* 右侧操作区 */
#kpnav .kpnav-act {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}
#kpnav .kpnav-tbtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 7px 18px;
  border-radius: 60px;
  border: 1px solid #E5E6EB;
  color: #1D2129;
  font-weight: 500;
  font-size: .85rem;
  background: #FFFFFF;
  transition: all .2s ease;
  white-space: nowrap;
  cursor: pointer;
  font-family: inherit;
}
#kpnav .kpnav-tbtn:hover {
  background: #E8F3FF;
  border-color: #1677FF;
  color: #1677FF;
}
#kpnav .kpnav-tbtn--solid {
  background: #1677FF;
  color: #FFFFFF;
  border-color: transparent;
  font-weight: 600;
}
#kpnav .kpnav-tbtn--solid:hover {
  background: #0958D9;
  color: #FFFFFF;
}

/* 汉堡 */
#kpnav .kpnav-burger {
  display: none;
  background: none;
  border: none;
  color: #1D2129;
  font-size: 1.6rem;
  cursor: pointer;
  line-height: 1;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

/* 语言切换器 */
#kpnav .kpnav-lang { position: relative; display: inline-flex; }
#kpnav .kpnav-lang__btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 34px;
  padding: 0 10px;
  border: 1px solid #E5E6EB;
  border-radius: 60px;
  background: #FFFFFF;
  color: #1D2129;
  font-size: .85rem;
  cursor: pointer;
  transition: all .2s ease;
}
#kpnav .kpnav-lang__btn:hover { border-color: #1677FF; background: #E8F3FF; color: #1677FF; }
#kpnav .kpnav-lang__drop {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 120px;
  background: #FFFFFF;
  border: 1px solid #E5E6EB;
  border-radius: 12px;
  padding: 8px;
  box-shadow: 0 12px 36px rgba(0,0,0,.12);
  z-index: 1001;
}
#kpnav .kpnav-lang.is-open .kpnav-lang__drop { display: block; }
#kpnav .kpnav-lang__drop a {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  color: #1D2129;
  font-size: .85rem;
  text-decoration: none;
}
#kpnav .kpnav-lang__drop a:hover { background: #E8F3FF; color: #1677FF; }

@media (max-width: 600px) {
  #kpnav .kpnav-lang__btn { height: 30px; padding: 0 8px; font-size: .78rem; }
}

/* 移动端 */
@media (max-width: 992px) {
  #kpnav .kpnav-menu {
    display: none;
    position: absolute;
    top: 62px;
    right: 16px;
    width: 260px;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    background: #FFFFFF;
    border: 1px solid #E5E6EB;
    border-radius: 14px;
    padding: 16px;
    box-shadow: 0 20px 48px rgba(0,0,0,.12);
  }
  #kpnav .kpnav-menu.open { display: flex; }
  #kpnav .kpnav-menu a {
    width: 100%;
    padding: 10px 12px;
    border-radius: 8px;
    color: #1D2129;
  }
  #kpnav .kpnav-menu a:hover { background: #F2F3F5; color: #1677FF; }
  #kpnav .kpnav-menu a.is-active {
    background: #E8F3FF;
    color: #1677FF;
  }
  #kpnav .kpnav-menu a.is-active::after { display: none; }
  #kpnav .kpnav-burger { display: inline-flex; }
}

@media (max-width: 600px) {
  #kpnav .kpnav-in { padding: 0 14px; height: 56px; }
  #kpnav .kpnav-logo { font-size: 1.15rem; letter-spacing: .5px; }
  #kpnav .kpnav-badge { display: none; }
  #kpnav .kpnav-act { gap: 8px; }
  #kpnav .kpnav-act .kpnav-reg { display: none; }
  #kpnav .kpnav-tbtn { padding: 6px 12px; font-size: .8rem; }
  #kpnav .kpnav-menu { top: 56px; right: 10px; width: calc(100vw - 20px); }
}