:root {
  --font-heading: "Playfair Display", serif;
  --font-body: "Noto Sans", system-ui, -apple-system, sans-serif;

  --fs-h1: 3rem; /* 48px */
  --fs-h2: 2.25rem; /* 36px */
  --fs-h3: 1.5rem; /* 24px */
  --fs-p: 1rem; /* 16px */
  --fs-des: 0.875rem; /* 14px */
  --fs-hint: 0.75rem; /* 12px */
  --btn-xs: 1rem;

  --color-bg: #fff;
  --color-text: #322826;
  --color-primary: #f5f5f0;
  --color-secondary: #d9d9d9;
  --color-semantic: #afcbdf;
  --color-semantic-blue: #1e2a38;
  --color-semantic-brown: #2c2c2c;

  /* --color-primary-light: #e2dede !important;
  --color-secondary-dark: #322826;
  --color-secondary-medium: #85645d;
  --color-secondary-light: #c7a9a3;
  --color-accent-dark: #8c948c;
  --color-accent-medium: #712200;
  --color-text-dark: #322826;
  --color-text-medium: #5b5b5b;
  --color-text-light: #fffdfd;
  --color-danger: #bd3900; */
}

.top-lang-bar {
  position: sticky;
  top: 0;
  z-index: 200;
}

html,
body {
  /* height: 100%;  */
  /* 滿螢幕 */
  margin: 0;
  /* display: block; */
}

body {
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--fs-p);
  line-height: 1.6;

  background-color: var(--color-bg);
  min-height: 100vh;

  h1,
  h2,
  h3 {
    font-family: var(--font-heading);
    line-height: 1.25;
  }

  h1 {
    font-size: var(--fs-h1);
    font-weight: 600;
  }

  h2 {
    font-size: var(--fs-h2);
    font-weight: 700;
  }

  h3 {
    font-size: var(--fs-h3);
    font-weight: 500;
  }

  p {
    font-size: var(--fs-p);
  }

  .description {
    font-size: var(--fs-des);
  }

  .hint {
    font-size: var(--fs-hint);
  }
}

.page-wrapper {
  display: flex;
  align-items: flex-start;
  flex: 0 0 auto;
  /* 整個畫面高度 */
  position: relative;
  /* new */
}

.left-sidebar {
  width: 80px;
  background-color: #ffffff;
  border-right: 1px solid #000000;

  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 15;
  /* position: sticky; */
}

.right-sidebar {
  width: 80px;
  background-color: #ffffff;
  border-left: 1px solid #000000;
  position: fixed;
  top: 0;
  right: 0;
  width: 80px;
  bottom: 0;
  /* height: 100%; */

  z-index: 1; /* 很低 */
  pointer-events: none; /* 純裝飾 */
}

.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  /* margin-left: 80px; */
  position: relative;
  z-index: 10;
}

main {
  flex: 1;
}

.site-footer {
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin-left: 0;
  position: relative;
  /* new */
  z-index: 40;
  gap: 16px;

  height: 120px;
  padding: 16px 16px 16px 32px;

  background-color: var(--color-semantic-brown);
  color: #fff;
}

.site-footer h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
}

.footer-contact {
  display: flex;
  gap: 24px;
}

.footer-contact a {
  color: inherit;
  text-decoration: none;
  opacity: 0.8;
}

.footer-contact a:hover {
  opacity: 1;
  text-decoration: underline;
}

.btn-custom {
  border-radius: 0;
  border: 1px solid var(--color-semantic-blue);
  color: var(--color-text);
  background: var(--color-bg);
  text-decoration: none;
  text-align: center;
}

.btn-custom-xs {
  font-size: var(--btn-xs);
  font-weight: 400;
  display: inline-flex;
  width: 10rem;
  height: 3.5rem;
  padding: 1rem 1.5rem;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

.btn-custom:hover {
  background-color: var(--color-secondary);
}

.diamond {
  position: relative; /* 方便絕對定位裡面的小三角 */
  width: 100px; /* 棱形寬度 */
  height: 100px; /* 棱形高度 */
}

.triangle {
  width: 0;
  height: 0;
  position: absolute;
  left: 0;
  right: 0;
  margin: auto;
}

.triangle.top {
  border-left: 50px solid transparent;
  border-right: 50px solid transparent;
  /* border-bottom: 50px solid var(--color-secondary); */
  top: 0;
}

.triangle.bottom {
  border-left: 50px solid transparent;
  border-right: 50px solid transparent;
  /* border-top: 50px solid var(--color-text); */
  bottom: 0;
}

/* body.dark-mode {
  --color-bg: #1c1c1c;
  --color-text: #f5f5f5;
  --color-primary: #bca8a8;
}

.header,
.navbar,
.navbar-nav .nav-link {
  background-color: var(--color-bg);
  color: var(--color-text); */

/* padding-top: 80px; */

/* @media (max-width: 768px) {
    padding-top: 48px;
  } */

/* main {
  flex-grow: 1;
  max-width: 100%;

  @media (max-width: 768px) {
    padding-inline: 20px;
  }
}

* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

ul {
  padding: 0;
  margin: 0;
}

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

hr {
  margin-block: 20px;
}

button {
  border: none;
  background: none;
  padding: 0;
  margin: 0;
}

.obj-fit {
  width: 100%;
  height: 100%;
  object-fit: cover;
} */

/* html,
body {
  height: 100%;
}

.page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
} */

/* main {
  flex: 1; /* 撐開中間內容 */