/* =====================================================================
 * English Pet 本地字体定义（全量本地化，不引用 Google Fonts）
 * Quicksand：可变字体（400-700），latin / latin-ext / vietnamese 三个子集
 * Material Symbols Outlined：图标字体（可变字体，含全部图标 ligature）
 * @date 2026-09-12
 * ===================================================================== */

/* ---------- Quicksand 可变字体（拉丁核心子集，覆盖英文学习内容） ---------- */
@font-face {
  font-family: 'Quicksand';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('quicksand-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;
}

/* ---------- Quicksand 拉丁扩展子集 ---------- */
@font-face {
  font-family: 'Quicksand';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('quicksand-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;
}

/* ---------- Quicksand 越南文子集 ---------- */
@font-face {
  font-family: 'Quicksand';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('quicksand-vietnamese.woff2') format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}

/* ---------- Material Symbols Outlined 图标字体 ---------- */
@font-face {
  font-family: 'Material Symbols Outlined';
  font-style: normal;
  font-weight: 100 700;
  font-display: block;
  src: url('material-symbols-outlined.woff2') format('woff2');
}

.material-symbols-outlined {
  font-family: 'Material Symbols Outlined';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
  font-feature-settings: 'liga';
}