/* ============================================
   Ora Theme - Header & Navigation
   ============================================ */

/* ----------------------------------------
   顶部公告栏
   ---------------------------------------- */
.ora-topbar {
  background: var(--ora-dark);
  color: rgba(255, 255, 255, 0.8);
  font-size: 13px;
  padding: 8px 0;
  text-align: center;
  letter-spacing: -0.01em;
}

.ora-topbar span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.ora-topbar svg {
  opacity: 0.6;
  flex-shrink: 0;
}

/* ----------------------------------------
   主导航头
   ---------------------------------------- */
.ora-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.ora-header.is-scrolled {
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

.ora-header.is-hidden {
  transform: translateY(-100%);
}

.ora-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  gap: 24px;
}

/* ----------------------------------------
   Logo（修复尺寸过大问题）
   ---------------------------------------- */
.ora-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
  /* 关键：限制 logo 最大尺寸 */
  max-width: 180px;
}

.ora-logo__img {
  height: auto;
  max-height: 42px;
  width: auto;
  /* 防止 logo 超出容器 */
  max-width: 100%;
  object-fit: contain;
  display: block;
}

.ora-logo__text {
  font-size: 22px;
  font-weight: 700;
  color: var(--ora-dark);
  letter-spacing: -0.03em;
}

/* ----------------------------------------
   主导航菜单
   ---------------------------------------- */
.ora-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.ora-nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.ora-nav__item {
  position: relative;
}

.ora-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ora-text);
  text-decoration: none;
  border-radius: 8px;
  transition: color var(--ora-transition), background var(--ora-transition);
  white-space: nowrap;
}

.ora-nav__link:hover {
  color: var(--ora-blue);
  background: var(--ora-blue-light);
}

.ora-nav__item--active > .ora-nav__link {
  color: var(--ora-blue);
}

/* 下拉箭头 */
.ora-nav__arrow {
  display: inline-flex;
  align-items: center;
  opacity: 0.5;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.ora-nav__link--has-sub.is-open .ora-nav__arrow,
.ora-nav__item--has-sub:hover .ora-nav__link--has-sub .ora-nav__arrow {
  transform: rotate(180deg);
  opacity: 0.8;
}

/* ----------------------------------------
   下拉子菜单（核心修复）
   ---------------------------------------- */
.ora-nav__submenu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 220px;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--ora-radius);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.06);
  list-style: none;
  margin: 0;
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 1001;
  /* 隐藏时不占据空间 */
  display: block;
  /* 滑动动画 */
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease, max-height 0.25s ease, transform 0.2s ease;
  transform: translateX(-50%) translateY(-8px);
}

/* 显示状态 */
.ora-nav__submenu.is-open,
.ora-nav__item--has-sub:hover > .ora-nav__submenu {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
  max-height: 600px;
  transform: translateX(-50%) translateY(0);
}

/* 子菜单项 */
.ora-nav__submenu li {
  margin: 0;
}

.ora-nav__submenu a {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 400;
  color: var(--ora-text);
  text-decoration: none;
  transition: background var(--ora-transition), color var(--ora-transition);
}

.ora-nav__submenu a:hover {
  background: var(--ora-blue-light);
  color: var(--ora-blue);
}

/* 三角指示器 */
.ora-nav__submenu::before {
  content: '';
  position: absolute;
  top: -7px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 14px;
  height: 14px;
  background: #fff;
  border-left: 1px solid rgba(0, 0, 0, 0.08);
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

/* ----------------------------------------
   头部工具栏（搜索、购物车）
   ---------------------------------------- */
.ora-header__tools {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.ora-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  color: var(--ora-text);
  cursor: pointer;
  border-radius: 50%;
  transition: background var(--ora-transition), color var(--ora-transition);
  text-decoration: none;
  position: relative;
}

.ora-icon-btn:hover {
  background: var(--ora-blue-light);
  color: var(--ora-blue);
}

/* 购物车数量角标 */
.ora-cart-count {
  position: absolute;
  top: 2px;
  right: 2px;
  min-width: 18px;
  height: 18px;
  background: var(--ora-blue);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  border-radius: 980px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  line-height: 1;
  opacity: 0;
  transform: scale(0.5);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.ora-cart-count.has-items,
.ora-cart-count:not(:empty) {
  opacity: 1;
  transform: scale(1);
}

/* 汉堡菜单（移动端显示） */
.ora-menu-btn {
  display: none;
}

/* ----------------------------------------
   搜索浮层
   ---------------------------------------- */
.ora-search-overlay {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  padding: 24px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
  z-index: 999;
}

.ora-search-overlay.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.ora-search-form {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--ora-light-gray);
  border-radius: 12px;
  padding: 4px 4px 4px 20px;
  max-width: 640px;
  margin: 0 auto;
}

.ora-search-form input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 16px;
  font-family: var(--ora-font);
  color: var(--ora-text);
  outline: none;
  padding: 12px 0;
}

.ora-search-form input::placeholder {
  color: var(--ora-gray);
}

.ora-search-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--ora-blue);
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--ora-transition);
}

.ora-search-form button:hover {
  background: var(--ora-blue-hover);
}

/* ----------------------------------------
   移动端菜单
   ---------------------------------------- */
.ora-mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(360px, 90vw);
  background: #fff;
  z-index: 2000;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.ora-mobile-nav.is-open {
  transform: translateX(0);
}

.ora-mobile-nav__inner {
  padding: 24px;
  position: relative;
}

.ora-mobile-nav__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border: none;
  background: var(--ora-light-gray);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ora-text);
}

.ora-mobile-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  padding-top: 16px;
}

.ora-mobile-nav__list li {
  border-bottom: 1px solid var(--ora-light-gray);
}

.ora-mobile-nav__list a {
  display: block;
  padding: 16px 0;
  font-size: 18px;
  font-weight: 500;
  color: var(--ora-text);
  text-decoration: none;
  transition: color var(--ora-transition);
}

.ora-mobile-nav__list a:hover {
  color: var(--ora-blue);
}

.ora-mobile-nav__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.ora-mobile-nav__overlay.is-open {
  opacity: 1;
  visibility: visible;
}

body.menu-open {
  overflow: hidden;
}

/* ----------------------------------------
   响应式
   ---------------------------------------- */
@media (max-width: 1023px) {
  .ora-nav {
    display: none; /* 移动端用 Ora 移动菜单 */
  }

  .ora-menu-btn {
    display: inline-flex;
  }
}

@media (max-width: 640px) {
  .ora-header__inner {
    height: 56px;
    gap: 12px;
  }

  .ora-logo {
    max-width: 140px;
  }

  .ora-logo__img {
    max-height: 36px;
  }
}

/* ----------------------------------------
   添加到购物车按钮状态
   ---------------------------------------- */
.ora-add-to-cart.is-loading {
  opacity: 0.7;
  pointer-events: none;
}

.ora-add-to-cart.is-added {
  background: var(--ora-success) !important;
  color: #fff !important;
}

/* ============================================
   MEGA MENU 样式
   ============================================ */

/* Mega Menu 触发器 */
.ora-nav__item--mega {
  position: static;
}

/* Mega 面板容器 */
.ora-mega-panel {
  position: absolute;
  top: calc(100% + 0px);
  left: 0;
  right: 0;
  background: #fff;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1), 0 4px 16px rgba(0, 0, 0, 0.06);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-8px);
  transition:
    opacity 0.25s ease,
    visibility 0.25s ease,
    transform 0.25s ease;
}

.ora-nav__item--mega:hover > .ora-mega-panel,
.ora-nav__item--mega:focus-within > .ora-mega-panel,
.ora-nav__item--mega.is-open > .ora-mega-panel {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
  transform: translateY(0);
}

.ora-mega-panel__inner {
  max-width: var(--ora-container);
  margin: 0 auto;
  padding: 28px 24px 24px;
}

/* 多列布局 */
.ora-mega-panel__cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0 32px;
}

/* 列 */
.ora-mega-panel__col {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0 0 8px;
  border-right: 1px solid rgba(0, 0, 0, 0.06);
  padding-right: 32px;
}

.ora-mega-panel__col:last-child {
  border-right: none;
}

/* 栏目标题 */
.ora-mega-panel__heading {
  margin-bottom: 6px;
  padding-bottom: 10px;
}

.ora-mega-panel__heading-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--ora-dark);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0;
  transition: color var(--ora-transition);
}

.ora-mega-panel__heading-link:hover {
  color: var(--ora-blue);
}

.ora-mega-panel__heading-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--ora-blue-light);
  border-radius: 8px;
  color: var(--ora-blue);
  flex-shrink: 0;
}

.ora-mega-panel__heading-icon svg {
  width: 14px;
  height: 14px;
}

/* 链接列表 */
.ora-mega-panel__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ora-mega-panel__link-item {
  margin: 0;
}

.ora-mega-panel__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 0;
  font-size: 14px;
  font-weight: 400;
  color: var(--ora-text);
  text-decoration: none;
  border-radius: 6px;
  transition: color var(--ora-transition), padding var(--ora-transition);
  white-space: nowrap;
}

.ora-mega-panel__link:hover {
  color: var(--ora-blue);
  padding-left: 6px;
}

.ora-mega-panel__link-icon {
  display: inline-flex;
  align-items: center;
  color: var(--ora-gray);
  flex-shrink: 0;
  transition: color var(--ora-transition);
}

.ora-mega-panel__link-icon svg {
  width: 15px;
  height: 15px;
}

.ora-mega-panel__link:hover .ora-mega-panel__link-icon {
  color: var(--ora-blue);
}

/* 特色卡片 */
.ora-mega-panel__featured {
  margin: 0;
}

.ora-mega-panel__featured-link {
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-decoration: none;
  padding: 12px;
  border-radius: var(--ora-radius);
  border: 1px solid rgba(0, 0, 0, 0.07);
  background: var(--ora-light-gray);
  transition:
    border-color var(--ora-transition),
    box-shadow var(--ora-transition),
    transform 0.2s ease;
}

.ora-mega-panel__featured-link:hover {
  border-color: var(--ora-blue);
  box-shadow: 0 4px 20px rgba(0, 113, 227, 0.15);
  transform: translateY(-2px);
}

.ora-mega-panel__featured-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: calc(var(--ora-radius) - 2px);
  background: #f0f0f0;
}

.ora-mega-panel__featured-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.ora-mega-panel__featured-link:hover .ora-mega-panel__featured-img img {
  transform: scale(1.05);
}

.ora-mega-panel__featured-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ora-mega-panel__featured-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ora-dark);
  line-height: 1.3;
}

.ora-mega-panel__featured-desc {
  font-size: 12px;
  color: var(--ora-gray);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 分隔线 */
.ora-mega-panel__divider {
  display: flex;
  align-items: center;
  padding: 12px 0 8px;
  margin-top: 4px;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.ora-mega-panel__divider-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--ora-gray);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Mega 面板底部 CTA */
.ora-mega-panel__footer {
  display: flex;
  justify-content: flex-end;
  padding-top: 16px;
  margin-top: 8px;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.ora-mega-panel__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ora-blue);
  text-decoration: none;
  border-radius: 8px;
  background: var(--ora-blue-light);
  transition: background var(--ora-transition), color var(--ora-transition);
}

.ora-mega-panel__cta:hover {
  background: var(--ora-blue);
  color: #fff;
}

.ora-mega-panel__cta svg {
  width: 14px;
  height: 14px;
  transition: transform 0.2s ease;
}

.ora-mega-panel__cta:hover svg {
  transform: translateX(3px);
}

/* ============================================
   响应式：Mega Menu
   ============================================ */
@media (max-width: 1023px) {
  .ora-mega-panel {
    display: none;
  }

  /* 移动端：普通下拉回退 */
  .ora-nav__item--mega > .ora-nav__link--has-sub {
    pointer-events: none;
  }
}

@media (max-width: 1199px) {
  .ora-mega-panel__inner {
    padding: 20px 16px 16px;
  }

  .ora-mega-panel__cols {
    gap: 0 20px;
  }

  .ora-mega-panel__col {
    padding-right: 20px;
  }
}