/* ===== Ollie 不插電玩中學：共用樣式 ===== */
@font-face {
  font-family: "ZihiKai";
  src: local("Bpmf Zihi KaiStd Regular"), local("BpmfZihiKaiStd-Regular"),
       url("../fonts/BpmfZihiKaiStd-Regular.woff2") format("woff2");
  font-display: block;
}

:root {
  --ink: #1f2a30;
  --ink-soft: #4a5560;
  --muted: #7b858c;
  --paper: #fbf6ec;
  --card: #fffdf8;
  --line: #d9d0c0;
  --star: #b7791f;
  --zh: #c2410c;  --zh-50: #fdebdd;  --zh-grid: #d9774a;
  --en: #1d4ed8;  --en-50: #e4ebfd;  --en-grid: #5b7fe0;
  --math: #15803d; --math-50: #e1f3e6; --math-grid: #4c9d68;
  --accent: var(--zh); --accent-50: var(--zh-50); --grid: var(--zh-grid);
  color-scheme: light;
}
.subj-zh   { --accent: var(--zh);   --accent-50: var(--zh-50);   --grid: var(--zh-grid); }
.subj-en   { --accent: var(--en);   --accent-50: var(--en-50);   --grid: var(--en-grid); }
.subj-math { --accent: var(--math); --accent-50: var(--math-50); --grid: var(--math-grid); }

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: "ZihiKai", "BiauKai", "DFKai-SB", "Kaiti TC", serif;
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}
a { color: inherit; }
button { font: inherit; color: inherit; }

/* 不顯示注音（田字格範字用） */
.no-bpmf { font-feature-settings: "ss10" 1; }

/* ===== 網站外框 ===== */
.site-wrap { max-width: 1080px; margin: 0 auto; padding: 28px 16px 64px; }
.crumb { font-size: 15px; color: var(--ink-soft); display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.crumb a { text-decoration: none; border-bottom: 1.5px solid var(--line); }
.crumb a:hover { border-color: var(--ink); }

.hero { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; padding: 12px 0 28px; border-bottom: 2.5px solid var(--ink); }
.hero .kicker { font-size: 15px; color: var(--ink-soft); letter-spacing: .05em; }
.hero h1 { font-size: clamp(34px, 6vw, 58px); line-height: 1.25; margin: 8px 0 10px; font-weight: normal; }
.hero p { font-size: 17px; line-height: 1.9; margin: 0; color: var(--ink-soft); max-width: 40em; }
.hero .mascot { width: 170px; }
@media (max-width: 640px) { .hero { grid-template-columns: 1fr; } .hero .mascot { width: 120px; justify-self: end; margin-top: -20px; } }

.subject-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; margin-top: 30px; }
.subject-card {
  display: block; text-decoration: none; background: var(--card);
  border: 2.5px solid var(--ink); border-top: 12px solid var(--accent);
  border-radius: 20px; padding: 22px 22px 18px; position: relative;
  transition: transform .15s ease, box-shadow .15s ease;
}
.subject-card:hover { transform: translateY(-3px); box-shadow: 0 6px 0 var(--ink); }
.subject-card .tag { color: var(--accent); font-size: 18px; }
.subject-card h2 { font-size: 34px; margin: 6px 0 4px; font-weight: normal; }
.subject-card p { font-size: 15px; line-height: 1.8; color: var(--ink-soft); margin: 0 0 12px; }
.subject-card .art-row { display: flex; gap: 6px; }
.subject-card .art-row svg { width: 54px; height: 54px; }
.subject-card .go { position: absolute; right: 18px; bottom: 16px; font-size: 15px; color: var(--accent); }

.tips { margin-top: 36px; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.tip { border: 2px solid var(--ink); border-radius: 16px; padding: 14px 16px; background: var(--card); font-size: 15px; line-height: 1.8; }
.tip b { font-weight: normal; color: var(--ink); font-size: 17px; display: block; margin-bottom: 2px; }

/* 科目頁 */
.act-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; margin-top: 26px; }
.act-card {
  display: flex; flex-direction: column; gap: 8px; text-decoration: none;
  background: var(--card); border: 2.5px solid var(--ink); border-radius: 18px; padding: 16px 18px 14px;
  transition: transform .15s ease, box-shadow .15s ease;
}
.act-card.is-new { border-color: var(--accent); }
.act-card:hover { transform: translateY(-3px); box-shadow: 0 5px 0 var(--accent); }
.act-card .row1 { display: flex; align-items: baseline; gap: 10px; }
.act-card .no { color: var(--accent); font-size: 30px; line-height: 1; }
.act-card h3 { font-size: 21px; margin: 0; font-weight: normal; flex: 1; }
.act-card .stars { color: var(--star); font-size: 14px; white-space: nowrap; }
.act-card .status { align-self: flex-start; font-size: 13px; border: 1.5px solid var(--ink); border-radius: 99px; padding: 1px 10px; }
.act-card.is-new .status { background: var(--accent); border-color: var(--accent); color: #fff; }
.act-card p { font-size: 15px; line-height: 1.8; margin: 0; color: var(--ink-soft); }
.act-card .focus { align-self: flex-start; font-size: 13px; color: var(--accent); background: var(--accent-50); border-radius: 99px; padding: 2px 10px; }
.act-card .quote { font-size: 14px; background: var(--paper); border-radius: 10px; padding: 6px 10px; color: var(--ink-soft); }
.act-card .thumb { display: flex; justify-content: space-between; align-items: end; margin-top: auto; }
.act-card .thumb svg { width: 46px; height: 46px; }
.act-card .open { font-size: 14px; color: var(--accent); }

.toolbar-inline { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.btn {
  display: inline-flex; align-items: center; gap: 6px; cursor: pointer; text-decoration: none;
  border: 2px solid var(--ink); background: var(--card); border-radius: 99px; padding: 6px 16px; font-size: 15px;
}
.btn:hover { background: var(--accent-50); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); }

.site-foot { margin-top: 48px; font-size: 13px; color: var(--muted); line-height: 1.8; border-top: 1.5px solid var(--line); padding-top: 14px; }
[hidden] { display: none !important; }