/* ===================================================================
   無限煉製 —— 公開條款頁共用樣式(隱私權 / 退款政策)
   視覺沿用《煉金工坊》:爐火琥珀暖光、黃銅飾件、羊皮紙墨色。
   =================================================================== */
:root {
  --bg: #140f0a;
  --panel: #221a12;
  --border: #4a3925;
  --border-soft: #3a2c1c;
  --text: #f2e6cf;
  --muted: #b39c76;
  --faint: #806b4c;
  --gold: #e0b155;
  --gold-bright: #f7d183;
  --ember: #ff7f38;
  --arcane: #a883ff;
  --ok: #74cf82;

  --serif: "Songti TC", "Noto Serif TC", "STSong", "Source Han Serif TC", "Times New Roman", serif;
  --sans: -apple-system, "PingFang TC", "Noto Sans TC", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  background-color: var(--bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--sans);
  color: var(--text);
  line-height: 1.8;
  background:
    radial-gradient(900px 520px at 50% -8%, rgba(255, 138, 61, 0.14), transparent 62%),
    radial-gradient(760px 620px at 50% 118%, rgba(122, 92, 255, 0.1), transparent 60%),
    radial-gradient(1200px 900px at 50% 40%, #1d1610 0%, var(--bg) 70%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px calc(56px + env(safe-area-inset-bottom));
}

/* ── 頂列返回 ── */
.topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 0 14px;
  position: sticky;
  top: 0;
  z-index: 5;
  background: linear-gradient(180deg, var(--bg) 60%, rgba(20, 15, 10, 0));
}

.topnav a.home {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
  padding: 8px 14px;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  background: rgba(52, 40, 26, 0.5);
  transition: border-color 0.15s, color 0.15s;
}

.topnav a.home:hover {
  border-color: var(--gold);
  color: var(--text);
}

.topnav .brand {
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: 3px;
  color: var(--gold-bright);
}

/* ── 文件標頭 ── */
.doc-head {
  text-align: center;
  padding: 20px 0 8px;
}

.doc-head .crest {
  font-size: 40px;
  filter: drop-shadow(0 0 14px rgba(255, 127, 56, 0.5));
}

.doc-head h1 {
  font-family: var(--serif);
  font-size: clamp(26px, 8vw, 34px);
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--gold-bright);
  margin: 12px 0 6px;
  text-shadow: 0 0 20px rgba(255, 138, 61, 0.3);
}

.doc-head .updated {
  font-size: 13px;
  color: var(--faint);
  letter-spacing: 1px;
  margin: 0;
}

.rule {
  height: 1px;
  margin: 22px 0 8px;
  background: linear-gradient(90deg, transparent, rgba(224, 177, 85, 0.5) 20%, rgba(224, 177, 85, 0.5) 80%, transparent);
}

/* ── 文件本文 ── */
.doc {
  background: linear-gradient(180deg, rgba(52, 40, 26, 0.35), rgba(34, 26, 18, 0.5));
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  padding: clamp(20px, 5vw, 34px);
  margin-top: 18px;
}

.doc .intro {
  color: var(--muted);
  font-size: 15px;
  margin: 0 0 4px;
}

.doc section {
  margin: 30px 0;
}

.doc section:first-of-type {
  margin-top: 8px;
}

.doc h2 {
  font-family: var(--serif);
  font-size: 19px;
  letter-spacing: 1px;
  color: var(--gold);
  margin: 0 0 10px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.doc h2 .no {
  font-size: 14px;
  color: var(--ember);
  font-weight: 700;
  flex: 0 0 auto;
}

.doc h3 {
  font-size: 15.5px;
  color: var(--text);
  margin: 18px 0 6px;
}

.doc p {
  font-size: 15px;
  color: var(--text);
  margin: 0 0 12px;
}

.doc ul {
  margin: 6px 0 14px;
  padding-left: 20px;
}

.doc li {
  font-size: 15px;
  color: var(--text);
  margin: 6px 0;
}

.doc a {
  color: var(--gold-bright);
  text-decoration: none;
  border-bottom: 1px solid rgba(247, 209, 131, 0.35);
}

.doc a:hover {
  border-bottom-color: var(--gold-bright);
}

.doc strong {
  color: var(--gold-bright);
  font-weight: 600;
}

/* 提醒框 */
.callout {
  border: 1px solid var(--border);
  border-left: 3px solid var(--ember);
  background: rgba(255, 127, 56, 0.08);
  border-radius: 10px;
  padding: 14px 16px;
  margin: 14px 0;
}

.callout p {
  margin: 0;
  font-size: 14.5px;
  color: var(--text);
}

/* 表格 */
.tbl-wrap {
  overflow-x: auto;
  margin: 12px 0 16px;
  border-radius: 10px;
  border: 1px solid var(--border-soft);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 360px;
}

th,
td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-soft);
}

th {
  color: var(--gold);
  font-weight: 600;
  background: rgba(20, 15, 10, 0.5);
  white-space: nowrap;
}

td {
  color: var(--text);
}

tr:last-child td {
  border-bottom: none;
}

/* ── Footer ── */
footer {
  text-align: center;
  padding-top: 26px;
  margin-top: 36px;
  border-top: 1px solid var(--border-soft);
  color: var(--faint);
  font-size: 12.5px;
  letter-spacing: 1px;
}

footer a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

footer a:hover {
  color: var(--gold-bright);
  border-bottom-color: rgba(247, 209, 131, 0.4);
}

footer .links {
  margin-bottom: 10px;
}

footer .links a {
  margin: 0 8px;
}