.navbar-brand {
  height: 25px;
}

@media (min-width: 576px) {
  .navbar-brand {
    height: 30px;
  }
}

.nav-item a {
  color: #ffffff;
  font-weight: 500;
  height: 60px;
  text-decoration: none;
  align-items: center;
  display: flex;
  flex-direction: column!important;
  padding: var(--bs-nav-link-padding-y) var(--bs-nav-link-padding-x);
  padding-right: var(--bs-navbar-nav-link-padding-x);
  padding-left: var(--bs-navbar-nav-link-padding-x);
}

@keyframes nav-anim {
  100% {
    width: 100%;
  }
}

.nav-item a:hover {
  font-weight: 500;
  color: #ffffff;
  text-decoration: none;
  text-shadow: 0px 0px 4px #88eaff;
}

.nav-anim:hover::before {
  content: '';
  position: absolute;
  bottom: 5px;
  width: 0;
  z-index: 1;
  border-bottom: 2px solid #ffffff;
  animation: nav-anim 0.5s ease-in-out forwards;
}

.nav-anim {
  display: flex;
  position: relative;
}

nav li {
  padding: 5px;
}

:root {
  --bs-heading-color: #2c3e50;
  --bs-icon-color: #b2b8c3;
}

.en-text {
  display: block;
  font-size: 0.85rem;
  opacity: 0.8;
  font-family: 'Lato', sans-serif;
  margin-top: 4px;
  font-weight: 300;
  color: #b0b0b0;
}

.en-text-white {
  display: block;
  font-size: 1rem;
  opacity: 0.8;
  font-family: 'Lato', sans-serif;
  margin-top: 4px;
  font-weight: 300;
  color: #ffffff;
}

.bg-brand-g {
  background-color: #d9d9d9;
}

.h1, h2, h3, h4, h5, h6 {
  letter-spacing: 0.1em;
  color: var(--bs-heading-color);
}

.feature-card {
  background: #fff;
  border: 1px solid #f0f0f0;
  padding: 3rem 2rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%;
  position: relative;
  z-index: 5;
  border-radius: 5px;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0px 0px 13px 1px rgb(222,222,222);
  border: 1px solid #e6e6e6 ;
  border-radius: 5px;
}

.feature-icon {
  font-size: 3rem;
  color: #e1e1e1;
  margin-bottom: 1rem;
}

.step-number {
  font-family: 'Playfair Display', serif;
  font-size: 4rem;
  color: #bfcce0;
  line-height: 1;
}

.accordion {
  --bs-accordion-color: var(--bs-body-color);
  --bs-accordion-bg: var(--bs-body-bg);
  --bs-accordion-transition: color 0.15s ease-in-out,background-color 0.15s ease-in-out,border-color 0.15s ease-in-out,box-shadow 0.15s ease-in-out,border-radius 0.15s ease;
  --bs-accordion-border-color: var(--bs-border-color);
  --bs-accordion-border-width: var(--bs-border-width);
  --bs-accordion-border-radius: var(--bs-border-radius);
  --bs-accordion-inner-border-radius: calc(var(--bs-border-radius) - (var(--bs-border-width)));
  --bs-accordion-btn-padding-x: 1.25rem;
  --bs-accordion-btn-padding-y: 1rem;
  --bs-accordion-btn-color: var(--bs-body-color);
  --bs-accordion-btn-bg: var(--bs-accordion-bg);
  --bs-accordion-btn-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23212529'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
  --bs-accordion-btn-icon-width: 1.25rem;
  --bs-accordion-btn-icon-transform: rotate(-180deg);
  --bs-accordion-btn-icon-transition: transform 0.2s ease-in-out;
  --bs-accordion-btn-active-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23052c65'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
  --bs-accordion-btn-focus-border-color: #86b7fe;
  --bs-accordion-btn-focus-box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
  --bs-accordion-body-padding-x: 1.25rem;
  --bs-accordion-body-padding-y: 1rem;
  --bs-accordion-active-color: var(--bs-primary-text-emphasis);
  --bs-accordion-active-bg: var(--bs-primary-bg-subtle);
}

.accordion-button:not(.collapsed) {
  color: var(--primary-color);
  background-color: rgba(222,222,224,0.46);
  box-shadow: none;
}

.sales-btn {
  background-color: #b2b8c3;
  color: #fff;
  border: none;
  padding: 15px 40px;
  letter-spacing: 2px;
  border-radius: 0;
  transition: all 0.3s;
}

.sales-btn:hover {
  background-color: #9aa1ad;
  color: #fff;
  transform: scale(1.05);
}

.hero-section {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
}

.-nt {
  height: 72px;
}

@media (min-width: 576px) {
  .-nt {
    height: 118px;
  }
}

[data-bs-theme=dark] .navbar-toggler-icon {
  --bs-navbar-toggler-icon-bg: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Navbar 預設狀態 (透明背景與轉場動畫) */

#mainNav {
  background-color: transparent;
  transition: background-color 0.4s ease-in-out;
  z-index: 1060 !important;
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}

/* 滾動後 Navbar 要加上的 Class (變成藍色) */

#mainNav.scrolled-nav {
  background-color: rgba(105,119,135,0.7) !important;
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}

/* Logo 預設狀態 (透明且隱藏) */

#navLogo {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease-in-out, visibility 0.4s ease-in-out;
}

/* 滾動後 Logo 要加上的 Class (完全顯示) */

#navLogo.show-logo {
  opacity: 1;
  visibility: visible;
}

/* 1. 強制隱藏 Bootstrap 預設的漢堡圖示 */

.navbar-toggler-icon {
  display: none !important;
}

/* 2. 設定按鈕本身，讓三條線完美排列 */

.navbar-toggler {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 7px;
  width: 44px;
  height: 44px;
  border: none !important;
  padding: 0;
  background: transparent;
}

/* 3. 畫出三條線 */

.navbar-toggler .line {
  display: block;
  width: 26px;
  height: 2px;
  background-color: #ffffff;
  border-radius: 3px;
  transition: all 0.3s ease-in-out;
  transform-origin: center;
}

/* 4. 點開選單變成 X 的動畫 (利用 Bootstrap 內建的 aria-expanded 屬性) */

/* 第一條線：往下移 8px 並順時針轉 45 度 */

.navbar-toggler.is-active .line-1 {
  transform: translateY(9px) rotate(45deg);
}

/* 第二條線：透明度歸零 (隱藏) */

.navbar-toggler.is-active .line-2 {
  opacity: 0;
}

/* 第三條線：往上移 8px 並逆時針轉 45 度 */

.navbar-toggler.is-active .line-3 {
  transform: translateY(-9px) rotate(-45deg);
}

/* --- 當側邊欄打開時，Navbar 強制變透明 --- */

.offcanvas-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1040;
  width: 100vw;
  height: 100vh;
  background-color: #00162a;
}

#mainNav.offcanvas-open {
  background-color: transparent !important;
  box-shadow: none !important;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

/* --- 當側邊欄打開時，強制隱藏 Logo --- */

#mainNav.offcanvas-open #navLogo {
  opacity: 0 !important;
  visibility: hidden !important;
}

/* --- 防止側邊欄選單在點擊或聚焦時變成藍色 --- */

.offcanvas .nav-link:focus, .offcanvas .nav-link:active {
  color: #ffffff !important;
  outline: none !important;
  box-shadow: none !important;
  background-color: transparent !important;
}

.navbar-toggler:focus {
  box-shadow: none;
}

.nav-footer {
  padding-right: 10px;
  padding-left: 10px;
}

.nav-footer a {
  height: 45px;
  font-family: 'Noto Sans';
  font-size: 14px;
}