/*
 * Gentium Book Plus（https://fonts.google.com/specimen/Gentium+Book+Plus）
 * 全站英文字體，字型檔自 Google Fonts 下載後放在本地，不連外。
 * 授權：SIL Open Font License 1.1（保留字型名稱 "Gentium" 與 "SIL"）
 *
 * 只保留 latin 與 latin-ext 兩個子集：
 *   latin     —— 一般英文、數字與常用標點
 *   latin-ext —— 含 IPA 音標區段（U+0250-02AF），詞彙音標需要
 * 中文字元不在 unicode-range 內，瀏覽器會自動改用後方的中文字體。
 *
 * 非可變字體，只有 400 與 700 兩個字重（各含正體與斜體），共 8 個檔案。
 * CSS 若寫 font-weight: 500／600，瀏覽器會自行對應到最接近的字重。
 */


/* latin（正體 400） */
@font-face {
  font-family: 'Gentium Book Plus';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/gentium-book-plus-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* latin-ext（正體 400） */
@font-face {
  font-family: 'Gentium Book Plus';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/gentium-book-plus-400-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin（正體 700（粗體）） */
@font-face {
  font-family: 'Gentium Book Plus';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('fonts/gentium-book-plus-700-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* latin-ext（正體 700（粗體）） */
@font-face {
  font-family: 'Gentium Book Plus';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('fonts/gentium-book-plus-700-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin（斜體 400） */
@font-face {
  font-family: 'Gentium Book Plus';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/gentium-book-plus-400-italic-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* latin-ext（斜體 400） */
@font-face {
  font-family: 'Gentium Book Plus';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/gentium-book-plus-400-italic-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin（斜體 700（粗斜體）） */
@font-face {
  font-family: 'Gentium Book Plus';
  font-style: italic;
  font-weight: 700;
  font-display: swap;
  src: url('fonts/gentium-book-plus-700-italic-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* latin-ext（斜體 700（粗斜體）） */
@font-face {
  font-family: 'Gentium Book Plus';
  font-style: italic;
  font-weight: 700;
  font-display: swap;
  src: url('fonts/gentium-book-plus-700-italic-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}