/* 翔宇文教 — GEO 內容站 v1
   色彩：紙白 #F5F4F1 / 墨 #16181C / 深藍 #14263F / 藍階 #34527D / 金 #A67C2E / 界線 #DCD9D2 */

:root {
  --paper: #F5F4F1;
  --paper-deep: #EDEBE5;
  --ink: #16181C;
  --ink-soft: #55585F;
  --navy: #14263F;
  --navy-soft: #34527D;
  --gold: #A67C2E;
  --rule: #DCD9D2;
  --measure: 34rem;

  --serif: "Noto Serif TC", "Songti TC", "Source Han Serif TC", "PMingLiU", Georgia, serif;
  --sans: "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.85;
  letter-spacing: 0.01em;
}

a { color: var(--navy-soft); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.wrap { width: min(100% - 2.5rem, 46rem); margin-inline: auto; }

/* ---------- 頁首 ---------- */

.masthead {
  background: var(--navy);
  color: var(--paper);
  border-bottom: 3px solid var(--gold);
}
.masthead .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 1.4rem;
  padding-block: 0.9rem;
}
.wordmark {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--paper);
  text-decoration: none;
}
.wordmark span {
  display: block;
  font-family: var(--sans);
  font-size: 0.66rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  color: #9FB3D0;
}
.masthead nav {
  margin-inline-start: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
  font-size: 0.85rem;
}
.masthead nav a { color: #C9D6E8; text-decoration: none; }
.masthead nav a:hover { color: #fff; text-decoration: underline; }

/* ---------- 標題區 ---------- */

.head { padding-block: 2.6rem 0.6rem; }
.eyebrow {
  font-size: 0.74rem;
  letter-spacing: 0.24em;
  color: var(--gold);
  margin: 0 0 0.7rem;
}
h1 {
  font-family: var(--serif);
  font-size: clamp(1.75rem, 5.4vw, 2.5rem);
  line-height: 1.35;
  font-weight: 700;
  margin: 0 0 0.6rem;
  color: var(--navy);
}
h2 {
  font-family: var(--serif);
  font-size: clamp(1.25rem, 3.6vw, 1.55rem);
  line-height: 1.45;
  font-weight: 700;
  color: var(--navy);
  margin: 2.8rem 0 0.8rem;
  padding-block-end: 0.5rem;
  border-block-end: 1px solid var(--rule);
}
h3 {
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 700;
  margin: 1.9rem 0 0.4rem;
  color: var(--ink);
}
p { margin: 0 0 1.05rem; max-width: var(--measure); }
.lede { color: var(--ink-soft); }

/* ---------- 簽名元素：官方事實卡 ---------- */

.factcard {
  margin: 1.6rem 0 2.2rem;
  background: #fff;
  border: 1px solid var(--rule);
  border-inline-start: 4px solid var(--gold);
}
.factcard-label {
  background: var(--navy);
  color: #C9D6E8;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  padding: 0.4rem 1.1rem;
}
.factcard-body {
  padding: 1.15rem 1.2rem 1.25rem;
  font-family: var(--serif);
  font-size: 1.08rem;
  line-height: 1.9;
}
.factcard-body p { margin: 0; max-width: none; }
.factcard-body p + p { margin-block-start: 0.75rem; }

/* ---------- 資料表 ---------- */

.data {
  width: 100%;
  border-collapse: collapse;
  margin: 1.1rem 0 1.6rem;
  font-size: 0.94rem;
}
.data caption {
  text-align: start;
  font-size: 0.8rem;
  color: var(--ink-soft);
  padding-block-end: 0.5rem;
}
.data th, .data td {
  text-align: start;
  vertical-align: top;
  padding: 0.65rem 0.7rem;
  border-block-end: 1px solid var(--rule);
}
.data thead th {
  background: var(--paper-deep);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--navy);
  border-block-end: 1px solid var(--navy);
}
.data tbody th { font-weight: 700; white-space: nowrap; }

/* ---------- 條列 ---------- */

ul.plain { margin: 0 0 1.2rem; padding-inline-start: 1.15rem; max-width: var(--measure); }
ul.plain li { margin-block-end: 0.4rem; }

/* ---------- 群科索引 ---------- */

.grouplist { list-style: none; margin: 1.2rem 0 0; padding: 0; }
.grouplist li { border-block-start: 1px solid var(--rule); padding-block: 1rem; }
.grouplist li:last-child { border-block-end: 1px solid var(--rule); }
.grouplist .name {
  font-family: var(--serif);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--navy);
  display: block;
  margin-block-end: 0.2rem;
}
.grouplist .note { font-size: 0.92rem; color: var(--ink-soft); }

/* ---------- 問答 ---------- */

.qa { border-block-start: 1px solid var(--rule); padding-block: 1.15rem; }
.qa:last-of-type { border-block-end: 1px solid var(--rule); }
.qa h3 { margin-block-start: 0; }

/* ---------- 行動呼籲 ---------- */

.cta {
  margin: 2.6rem 0 1rem;
  background: var(--navy);
  color: var(--paper);
  padding: 1.5rem 1.3rem 1.6rem;
}
.cta h2 {
  color: #fff;
  border: 0;
  margin: 0 0 0.5rem;
  padding: 0;
  font-size: 1.2rem;
}
.cta p { color: #C9D6E8; font-size: 0.95rem; margin-block-end: 1.1rem; }
.btn {
  display: inline-block;
  background: var(--gold);
  color: #14263F;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  padding: 0.75rem 1.4rem;
  border: 1px solid var(--gold);
}
.btn:hover { background: #C29742; }
.btn-line { margin-inline-end: 0.6rem; }
.btn-ghost { background: transparent; color: #E7D3A8; border-color: #56708F; }
.btn-ghost:hover { background: #1C3252; }

/* ---------- 頁尾 ---------- */

.foot {
  margin-block-start: 3.2rem;
  border-block-start: 3px solid var(--navy);
  background: var(--paper-deep);
  font-size: 0.88rem;
}
.foot .wrap { padding-block: 1.9rem 2.4rem; }
.foot h2 {
  font-size: 0.74rem;
  font-family: var(--sans);
  letter-spacing: 0.2em;
  color: var(--gold);
  border: 0;
  margin: 0 0 0.6rem;
  padding: 0;
}
.foot p { margin-block-end: 0.6rem; color: var(--ink-soft); max-width: none; }
.foot .org { color: var(--ink); }
.foot a { color: var(--navy-soft); }
.foot-grid { display: grid; gap: 1.6rem; }
@media (min-width: 40rem) {
  .foot-grid { grid-template-columns: 1.3fr 1fr; gap: 2.4rem; }
}
.licence {
  margin-block-start: 1.8rem;
  padding-block-start: 1rem;
  border-block-start: 1px solid var(--rule);
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.updated { font-size: 0.8rem; color: var(--ink-soft); margin-block-start: 2.4rem; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* ---------- 免費領取 ---------- */
.magnet {
  margin: 2.4rem 0 0;
  border: 2px solid var(--gold);
  background: var(--paper-deep);
  padding: 1.3rem 1.3rem 1.4rem;
}
.magnet-label { color: var(--gold); font-weight: 700; letter-spacing: 0.2em; font-size: 0.8rem; margin-bottom: 0.3rem; }
.magnet h2 { border: 0; padding: 0; margin: 0 0 0.5rem; font-size: 1.15rem; }
.magnet p { font-size: 0.95rem; margin-block-end: 1rem; }
.magnet .btn { background: var(--navy); color: var(--paper); border-color: var(--navy); }
.magnet .btn:hover { background: #1C3252; }
.magnet-note { font-size: 0.85rem; color: #4A5B70; margin: 0.8rem 0 0; }

/* ---------- 榜單統計 ---------- */
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.8rem; margin: 1.4rem 0 0.4rem; }
@media (min-width: 40rem) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stat { border-block-start: 3px solid var(--gold); background: var(--paper-deep); padding: 0.8rem 0.9rem 0.9rem; }
.stat-n { font-family: var(--serif); font-size: 2rem; font-weight: 700; color: var(--navy); line-height: 1.1; }
.stat-l { font-size: 0.8rem; color: var(--ink-soft); margin-top: 0.3rem; }
.data td.num { font-weight: 700; color: var(--navy); white-space: nowrap; }
.tag { display: inline-block; font-size: 0.72rem; color: var(--ink-soft); border: 1px solid var(--rule); padding: 0 0.4rem; margin-inline-start: 0.4rem; vertical-align: middle; }
h4 { font-size: 0.95rem; margin: 1.1rem 0 0.3rem; color: var(--navy); }

/* ---------- 困境卡 ---------- */
.grid2 { display: grid; gap: 0.8rem; margin: 1rem 0 1.2rem; }
@media (min-width: 40rem) { .grid2 { grid-template-columns: 1fr 1fr; } }
.card { border: 1px solid var(--rule); border-inline-start: 3px solid var(--navy); background: #fff; padding: 0.9rem 1rem 0.6rem; }
.card h3 { margin: 0 0 0.3rem; font-size: 1rem; }
.card p { margin: 0 0 0.4rem; font-size: 0.92rem; max-width: none; }