/* ==========================================================================
   明健 MING JIAN - 共用元件樣式表 (SHARED GLOBAL COMPONENTS)
   包含：全域頂部導航 (Header)、手機版側邊抽屜 (Drawer)、迷你購物車 (Mini-cart)、
         頁尾資訊 (Footer)、滑動置底膠囊按鈕 (Floating CTA)
   ========================================================================== */

/* ==========================================================================
   1. HEADER (全域導航列 & 手機版抽屜選單)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transform: translateZ(0);
  border-bottom: 1px solid var(--color-border-light);
  z-index: 1000;
  transition: box-shadow var(--transition-fast);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: 1360px;
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* 品牌 Logo (明健) */
.brand-logo {
  display: flex;
  align-items: baseline;
  gap: 8px;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-logo-text {
  font-size: 1.85rem;
  font-weight: 900;
  color: var(--color-primary);
  letter-spacing: 2px;
  line-height: 1;
}

.brand-logo-sub {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary-light);
  letter-spacing: 1.5px;
}

/* 電腦版主選單分頁 (左側核心分頁) */
.nav-desktop {
  display: flex;
  align-items: center;
  margin-left: 28px;
}

.nav-desktop .nav-list {
  display: flex;
  gap: 22px;
  align-items: center;
}

/* 電腦版置右分頁 (常見問題、企業大宗，緊鄰購物車) */
.nav-desktop-utility {
  display: flex;
  align-items: center;
  margin-right: 4px;
}

.nav-desktop-utility .nav-list {
  display: flex;
  gap: 18px;
  align-items: center;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-main);
  padding: 8px 0;
  position: relative;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

/* 依據當前分頁畫底線 (Active Underline) & 滑鼠懸停底線動畫 */
.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2.5px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  font-weight: 700;
}

/* 右側操作項 (置右分頁 + 購物車 + 漢堡) */
.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-left: auto;
}

.nav-secondary {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-sublink {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.nav-sublink .icon {
  width: 18px;
  height: 18px;
}

.nav-sublink:hover {
  color: var(--color-primary);
}

/* 購物車圖示與預覽 */
.cart-wrapper {
  position: relative;
}

.cart-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background-color: var(--color-neutral-bg);
  border-radius: var(--border-radius-full);
  color: var(--color-primary);
  font-size: 0.9rem;
  font-weight: 600;
  transition: background var(--transition-fast);
}

.cart-btn:hover {
  background-color: var(--color-mint-light);
}

.icon-cart {
  width: 20px;
  height: 20px;
}

.cart-badge {
  background-color: var(--color-accent-red);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  line-height: 18px;
  text-align: center;
  border-radius: var(--border-radius-full);
  padding: 0 4px;
}

/* 迷你購物車彈窗 */
.mini-cart {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  width: 320px;
  background-color: var(--color-white);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-normal);
  z-index: 1010;
}

.cart-wrapper:hover .mini-cart,
.mini-cart.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mini-cart-header {
  display: flex;
  justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border-light);
  font-size: 0.9rem;
  font-weight: 600;
}

.mini-cart-body {
  padding: 24px 0;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.mini-cart-footer {
  border-top: 1px solid var(--color-border-light);
  padding-top: 14px;
}

/* ==========================================================================
   購物車互動動畫、按鈕鎖定反饋與全站浮動提示 (ADD TO CART FEEDBACK & ANIMATIONS)
   ========================================================================== */
.btn-add-locked {
  cursor: not-allowed !important;
  pointer-events: none !important;
  opacity: 0.95;
}

.btn-add-success {
  background: #004727 !important;
  color: #FFFFFF !important;
  border-color: #004727 !important;
  box-shadow: 0 6px 20px rgba(0, 71, 39, 0.35) !important;
  animation: btnSuccessPop 0.4s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

@keyframes btnSuccessPop {
  0% { transform: scale(1); }
  40% { transform: scale(0.96); }
  75% { transform: scale(1.03); }
  100% { transform: scale(1); }
}

@keyframes checkPop {
  0% { transform: scale(0); opacity: 0; }
  60% { transform: scale(1.25); }
  100% { transform: scale(1); opacity: 1; }
}

/* 購物車角標與按鈕彈跳動畫 */
.badge-bounce {
  animation: badgeBounce 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes badgeBounce {
  0% { transform: scale(1); }
  35% { transform: scale(1.45); background-color: #FED141 !important; color: #1A1A1A !important; }
  70% { transform: scale(0.9); }
  100% { transform: scale(1); }
}

.cart-btn-shake {
  animation: cartBtnShake 0.5s ease;
}

@keyframes cartBtnShake {
  0%, 100% { transform: rotate(0); }
  20% { transform: rotate(-8deg) scale(1.05); }
  40% { transform: rotate(8deg) scale(1.05); }
  60% { transform: rotate(-5deg); }
  80% { transform: rotate(5deg); }
}

/* 全站浮動 Toast 通知 */
.cart-toast {
  position: fixed;
  top: 86px;
  left: 50%;
  transform: translateX(-50%) translateY(-24px);
  background: #004727;
  color: #FFFFFF;
  padding: 12px 26px;
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 700;
  box-shadow: 0 10px 32px rgba(0, 71, 39, 0.32);
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.cart-toast.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.cart-toast svg {
  color: #FED141;
  stroke: #FED141;
  flex-shrink: 0;
}

.mini-cart-total {
  display: flex;
  justify-content: space-between;
  margin-bottom: 14px;
  font-weight: 600;
}

.total-price {
  color: var(--color-primary);
  font-size: 1.15rem;
}

/* 手機版漢堡按鈕 (預設隱藏) */
.hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 20px;
  padding: 0;
  z-index: 1050;
}

.hamburger-btn .bar {
  display: block;
  width: 100%;
  height: 2.5px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.hamburger-btn.active .bar:nth-child(1) {
  transform: translateY(8.5px) rotate(45deg);
}
.hamburger-btn.active .bar:nth-child(2) {
  opacity: 0;
}
.hamburger-btn.active .bar:nth-child(3) {
  transform: translateY(-8.5px) rotate(-45deg);
}

/* 手機版側邊抽屜選單 (DRAWER) */
.mobile-drawer-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 1020;
}

.mobile-drawer-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100%;
  background-color: var(--color-white);
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
  z-index: 1030;
  display: flex;
  flex-direction: column;
  transition: right var(--transition-normal);
  overflow-y: auto;
}

.mobile-drawer.active {
  right: 0;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--color-border-light);
}

.drawer-title {
  font-family: var(--font-en);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 1px;
}

.drawer-close-btn {
  font-size: 2rem;
  line-height: 1;
  color: var(--color-text-muted);
}

.drawer-content {
  padding: 20px;
}

.drawer-main-links li {
  margin-bottom: 14px;
}

.drawer-link {
  font-size: 1rem;
  font-weight: 500;
  display: block;
  padding: 6px 0;
}

.drawer-link.active,
.drawer-link.highlight {
  color: var(--color-primary);
  font-weight: 700;
  position: relative;
  padding-left: 14px;
}

.drawer-link.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 18px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

/* 中型電腦螢幕 (769px ~ 1240px) 7 大分頁緊湊排版保護 */
@media (max-width: 1240px) and (min-width: 769px) {
  .nav-desktop {
    margin-left: 14px;
  }
  .nav-list {
    gap: 12px;
  }
  .nav-link {
    font-size: 0.86rem;
    padding: 6px 0;
  }
  .brand-logo-text {
    font-size: 1.55rem;
  }
}

.drawer-divider {
  height: 1px;
  background-color: var(--color-border-light);
  margin: 20px 0;
}

.social-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.social-desc {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.social-icons {
  display: flex;
  gap: 10px;
}

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-neutral-bg);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* ==========================================================================
   2. FOOTER (全域頁尾區塊)
   ========================================================================== */
.site-footer {
  background-color: #F5F7F5;
  border-top: 1px solid #E2E8E4;
  color: #334139;
  padding: 64px 0 110px; /* 底部保留 110px 防止與懸浮 CTA 欄重疊 */
}

.footer-main {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  padding-bottom: 44px;
  border-bottom: 1px solid #E2E8E4;
}

/* 左側：導航連結群 (雙層水平排列 + 細分隔線) */
.footer-nav-col {
  flex: 1.15;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-right: 48px;
}

.footer-nav-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

.primary-nav {
  gap: 32px;
}

.footer-nav-link.primary {
  font-size: 0.95rem;
  font-weight: 700;
  color: #17211C;
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color var(--transition-fast);
}

.footer-nav-link.primary:hover {
  color: var(--color-primary);
}

.footer-nav-divider {
  width: 100%;
  height: 1px;
  background-color: #E2E8E4;
  margin: 18px 0;
}

.secondary-nav {
  gap: 28px;
}

.footer-nav-link.secondary {
  font-size: 0.82rem;
  font-weight: 400;
  color: #617068;
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color var(--transition-fast);
}

.footer-nav-link.secondary:hover {
  color: #17211C;
}

/* 垂直分隔線 (PC 顯示) */
.footer-vertical-divider {
  width: 1px;
  background-color: #DFE5E0;
  margin: 0 40px;
  align-self: stretch;
}

/* 右側：關注社群動態 */
.footer-social-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.footer-social-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #17211C;
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.footer-social-desc {
  font-size: 0.82rem;
  color: #617068;
  line-height: 1.6;
  margin-bottom: 18px;
}

.footer-circle-socials {
  display: flex;
  align-items: center;
  gap: 14px;
}

.social-circle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: #FFFFFF;
  border: 1px solid #DFE5E0;
  color: #2D3A33;
  transition: all var(--transition-fast);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.social-circle-btn svg {
  transition: transform var(--transition-fast);
}

.social-circle-btn:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0, 71, 39, 0.18);
}

.social-circle-btn:hover svg {
  transform: scale(1.08);
}

/* 底部客服與企業合作連結 */
.footer-sub-bar {
  padding-top: 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

/* 公司法定資訊與客服諮詢區 (兩列排版) */
.footer-company-info,
.footer-service-info {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 8px 16px;
  font-size: 0.84rem;
  color: #55605A;
  line-height: 1.6;
}

.company-name {
  font-weight: 700;
  color: #17211C;
}

.company-name-en {
  font-family: var(--font-en);
  font-size: 0.76rem;
  font-weight: 500;
  color: #7E8D85;
  margin-left: 3px;
}

.company-divider {
  color: #CBD5CE;
  font-size: 0.75rem;
}

.footer-link {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.phone-slash {
  margin: 0 4px;
  color: #A3B2A9;
}

.footer-b2b-link {
  color: var(--color-primary);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

.footer-b2b-link:hover {
  color: var(--color-accent);
}

.copyright {
  font-size: 0.76rem;
  color: #7E8D85;
  letter-spacing: 0.03em;
  margin-top: 4px;
}

/* ==========================================================================
   3. FIXED FLOATING CTA BANNER (滑動觸發之底部膠囊按鈕)
   ========================================================================== */
.fixed-floating-banner {
  position: fixed;
  bottom: max(20px, env(safe-area-inset-bottom, 20px));
  left: 0;
  right: 0;
  z-index: 9999;
  display: flex;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-normal);
}

.fixed-floating-banner.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.btn-floating-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  height: 56px;
  padding: 0 42px;
  background-color: var(--color-cta-yellow);
  color: #1A1A1A;
  border: 2px solid var(--color-white);
  border-radius: var(--border-radius-full);
  font-size: 1.05rem;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  transition: all var(--transition-fast);
}

.btn-floating-cta:hover {
  background-color: var(--color-cta-yellow-hover);
  transform: scale(1.02);
}

.icon-arrow {
  width: 20px;
  height: 20px;
}

/* ==========================================================================
   4. RWD 手機版共用響應式優化 (MEDIA QUERIES <= 768px)
   ========================================================================== */
@media (max-width: 768px) {
  :root {
    --header-height: var(--header-height-sp);
  }

  .site-header {
    height: var(--header-height-sp);
  }

  .header-inner {
    padding: 0 16px;
  }

  .brand-logo-text {
    font-size: 1.5rem;
  }

  .brand-logo-sub {
    font-size: 0.65rem;
  }

  /* 隱藏電腦版導航列 */
  .nav-desktop,
  .nav-desktop-utility,
  .nav-secondary,
  .cart-label {
    display: none;
  }

  /* 顯示手機漢堡選單按鈕 */
  .hamburger-btn {
    display: flex;
  }

  /* 頁尾堆疊 (日系雙欄轉垂直堆疊) */
  .footer-main {
    flex-direction: column;
    gap: 36px;
    padding-bottom: 36px;
  }

  .footer-nav-col {
    padding-right: 0;
  }

  .primary-nav {
    gap: 16px 24px;
  }

  .secondary-nav {
    gap: 12px 20px;
  }

  .footer-vertical-divider {
    display: none;
  }

  .footer-social-col {
    padding-left: 0;
  }

  .footer-company-info,
  .footer-service-info {
    flex-direction: column;
    gap: 6px;
    font-size: 0.82rem;
    text-align: center;
  }

  .company-divider {
    display: none;
  }

  /* 浮動按鈕在手機上調整尺寸 */
  .btn-floating-cta {
    width: calc(100% - 32px);
    height: 52px;
    padding: 0 20px;
    font-size: 0.95rem;
    justify-content: center;
  }
}