/* 看懂再買 — 共用樣式
 * 構想：每一頁都是一份放在酒紅桌面上的「產品說明書」，紙上是白話註解，品牌是一顆朱紅印章。
 * 元件：.breakdown（白話拆解卡）、.risk（風險燈號）、.callout、.qa（問理專）、.scenarios、
 *       .fees、.steps、.cards（改為整列條目）、.pill（純文字標籤）、dfn[data-term]（詞彙提示）
 * 字型：Noto Serif TC（大標題與印章）、Noto Sans TC（內文、標籤、數字，螢幕上較易讀）
 */
@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400;500;700;900&family=Noto+Serif+TC:wght@900&display=swap");

:root {
  /* 桌面（頁面底色）與印在桌面上的字 */
  --desk: #3d0012;
  --desk-2: #4d0519;
  --on-desk: #ff99d3;
  --on-desk-soft: #e3a9c6;
  /* 紙與墨 */
  --paper: #f3f2ef;
  --paper-2: #e7e5e0;
  --paper-3: #dbd8d1;
  --ink: #1b1416;
  --ink-soft: #54454a;
  --seal: #b8132f;
  --seal-ink: #ffffff;

  /* 相容舊元件與計算引擎的名稱（都以「紙」為背景） */
  --bg: var(--paper);
  --surface: var(--paper-2);
  --surface-2: var(--paper-3);
  --text: var(--ink);
  --muted: var(--ink-soft);
  --border: #cbc2b3;
  --accent: var(--seal);
  --accent-soft: #f3dde0;
  --warn: #9a4a00;
  --warn-soft: #ebe6dc;
  --danger: var(--seal);
  --danger-soft: #f5dadd;
  --info: #1f4f86;
  --info-soft: #dfe7f1;
  --good: #1f6b3a;
  --good-soft: #dcebdf;
  --chart-1: #b8132f;
  --chart-2: #1f4f86;
  --chart-3: #b26a00;
  --chart-4: #7d7276;
  --radius: 0px;

  --display: var(--sans);
  --sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  --cjk-heavy: "Noto Serif TC", "PingFang TC", serif;
  --maxw: 880px;
  --gutter: clamp(16px, 3vw, 32px);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --desk: #1f0009; --desk-2: #2c0410;
    --paper: #241a1d; --paper-2: #2e2226; --paper-3: #3a2c31; --ink: #f2e8eb; --ink-soft: #c9b7bd;
    --seal: #ff6b84; --seal-ink: #1f0009; --border: #4b3a40;
    --accent-soft: #3f2028; --warn: #f0a85a; --warn-soft: #3a2a18; --danger-soft: #3f2028;
    --info: #8db8ee; --info-soft: #1d2a3b; --good: #7fd09a; --good-soft: #1b3024;
    --chart-1: #ff6b84; --chart-2: #8db8ee; --chart-3: #f0a85a; --chart-4: #a3969a;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --desk: #1f0009; --desk-2: #2c0410;
  --paper: #241a1d; --paper-2: #2e2226; --paper-3: #3a2c31; --ink: #f2e8eb; --ink-soft: #c9b7bd;
  --seal: #ff6b84; --seal-ink: #1f0009; --border: #4b3a40;
  --accent-soft: #3f2028; --warn: #f0a85a; --warn-soft: #3a2a18; --danger-soft: #3f2028;
  --info: #8db8ee; --info-soft: #1d2a3b; --good: #7fd09a; --good-soft: #1b3024;
  --chart-1: #ff6b84; --chart-2: #8db8ee; --chart-3: #f0a85a; --chart-4: #a3969a;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--desk); color: var(--ink); font-family: var(--sans); letter-spacing: .02em;
  font-size: 18px; line-height: 1.8; font-kerning: normal;
}
a { color: var(--seal); text-underline-offset: 3px; text-decoration-thickness: 1.5px; }
a:hover { text-decoration-thickness: 3px; }
img, svg { max-width: 100%; }
:focus-visible { outline: 3px solid var(--on-desk); outline-offset: 3px; }
main :focus-visible { outline-color: var(--seal); }
::selection { background: var(--seal); color: var(--seal-ink); }

/* ---------- 頁首：桌面上的一條，品牌是一顆印章 ---------- */
.site-header { background: var(--desk); position: sticky; top: 0; z-index: 20; }
.site-header .inner { max-width: 1200px; margin: 0 auto; padding: 14px var(--gutter); display: flex; align-items: center; gap: 10px 28px; flex-wrap: wrap; }
.brand {
  font-family: var(--cjk-heavy); font-weight: 900; font-size: 1.05rem; letter-spacing: .12em; line-height: 1;
  background: var(--seal); color: var(--seal-ink); text-decoration: none; padding: 9px 10px 8px 12px; white-space: nowrap;
  transition: transform .2s ease;
}
.brand:hover { transform: rotate(-3deg); }
.brand span { color: inherit; }
.site-nav { display: flex; gap: 4px 22px; flex-wrap: wrap; font-size: 1rem; }
.site-nav a { color: var(--on-desk-soft); text-decoration: none; padding: 4px 0; transition: color .15s; }
.site-nav a:hover { color: var(--on-desk); }
.site-nav a[aria-current="page"] { color: var(--on-desk); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 8px; }
.theme-toggle { margin-left: auto; background: var(--desk-2); border: 0; color: var(--on-desk); padding: 6px 12px; cursor: pointer; font: inherit; font-size: .95rem; transition: background .15s; }
.theme-toggle:hover { background: var(--on-desk); color: var(--desk); }

/* ---------- 紙：每頁的主要內容 ---------- */
main {
  background: var(--paper); color: var(--ink);
  width: calc(100% - 2 * var(--gutter)); max-width: var(--maxw);
  margin: 24px auto 120px; padding: clamp(28px, 6vw, 72px) clamp(20px, 6vw, 80px) clamp(40px, 6vw, 80px);
  position: relative;
}
main.wide { max-width: 1160px; }
/* 每張紙右上角蓋一顆「白話版」章 */
main::before {
  content: "白話版"; position: absolute; top: clamp(16px, 3vw, 32px); right: clamp(16px, 3vw, 32px);
  font-family: var(--cjk-heavy); font-weight: 900; font-size: .95rem; letter-spacing: .1em;
  color: var(--seal); background: var(--accent-soft); padding: 4px 8px; transform: rotate(4deg);
}

.site-footer { color: var(--on-desk-soft); font-size: 1rem; }
.site-footer .inner { width: calc(100% - 2 * var(--gutter)); max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(20px, 6vw, 80px) 64px; }
@media (max-width: 700px) { .site-footer .inner { width: 100%; padding: 0 16px 48px; } }
.site-footer a { color: var(--on-desk); }
.site-footer strong { color: var(--on-desk); }

h1, h2, h3, h4 { font-family: var(--cjk-heavy); font-weight: 900; letter-spacing: -.01em; text-wrap: balance; }
h1 { font-size: clamp(2.2rem, 1.2rem + 3.4vw, 3.9rem); line-height: 1.12; margin: .3em 0 .35em; padding-right: 2.5em; word-break: keep-all; overflow-wrap: anywhere; }
h2 { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.1rem); line-height: 1.25; margin: 2.6em 0 .6em; }
h3 { font-size: 1.22rem; line-height: 1.4; margin: 1.8em 0 .4em; }
.lead { font-size: clamp(1.15rem, 1.05rem + .4vw, 1.35rem); line-height: 1.7; color: var(--ink); margin-top: 0; }
.muted { color: var(--ink-soft); }
.small { font-size: .9rem; }
.breadcrumb { font-size: .95rem; color: var(--ink-soft); margin: 4em 0 0; }
.breadcrumb a { color: var(--ink-soft); }
strong, b { font-weight: 700; }

/* 目錄：一塊淺一階的紙 */
.toc { background: var(--paper-2); padding: 16px 22px; font-size: 1rem; margin: 1.6em 0; }
.toc ol { margin: 6px 0 0; padding-left: 1.4em; columns: 2 240px; column-gap: 32px; }
.toc a { color: var(--ink); }

/* ---------- 白話拆解卡：一張蓋過章的條款卡 ---------- */
.breakdown { background: var(--paper-2); margin: 1.6em 0; }
.breakdown header { background: var(--ink); color: var(--paper); padding: 14px 22px; font-family: var(--sans); font-weight: 700; font-size: 1.2rem; }
.breakdown dl { margin: 0; display: grid; grid-template-columns: 8.5em 1fr; }
.breakdown dt, .breakdown dd { padding: 12px 22px; margin: 0; max-width: none; }
.breakdown dt { font-weight: 700; font-family: var(--sans); color: var(--seal); }
.breakdown dt:nth-of-type(even), .breakdown dt:nth-of-type(even) + dd { background: var(--paper-3); }
.breakdown footer { padding: 14px 22px; background: var(--paper-3); }
@media (max-width: 600px) {
  .breakdown dl { grid-template-columns: 1fr; }
  .breakdown dt { padding-bottom: 0; }
  .breakdown dd { padding-top: 2px; }
}

/* 風險燈號：<ul class="risk"><li data-level="4">本金</li>… level 1–5 */
.risk { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 6px 28px; }
.risk li { display: flex; justify-content: space-between; gap: 8px; }
.risk li::after { content: "○○○○○"; letter-spacing: 2px; color: var(--ink-soft); }
.risk li[data-level="1"]::after { content: "●○○○○"; color: var(--good); }
.risk li[data-level="2"]::after { content: "●●○○○"; color: var(--good); }
.risk li[data-level="3"]::after { content: "●●●○○"; color: var(--warn); }
.risk li[data-level="4"]::after { content: "●●●●○"; color: var(--seal); }
.risk li[data-level="5"]::after { content: "●●●●●"; color: var(--seal); }

/* ---------- 註記（callout）：紙上加一塊色 ---------- */
.callout { background: var(--info-soft); padding: 16px 22px; margin: 1.6em 0; }
.callout.warn { background: var(--warn-soft); }
.callout.danger { background: var(--danger-soft); }
.callout.good { background: var(--good-soft); }
.callout > :first-child { margin-top: 0; }
.callout > :last-child { margin-bottom: 0; }
.callout > strong:first-child { display: block; font-family: var(--sans); font-weight: 700; }

/* ---------- 表格（保留格線） ---------- */
.table-wrap { overflow-x: auto; margin: 1.2em 0; }
table { border-collapse: collapse; width: 100%; font-size: 1rem; }
th, td { border-bottom: 1px solid var(--border); padding: 10px 12px; text-align: left; vertical-align: top; }
th { background: var(--paper-2); font-family: var(--sans); font-weight: 700; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ---------- 最好／普通／最壞 ---------- */
.scenarios { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 8px; margin: 1.2em 0; }
.scenario { background: var(--paper-2); padding: 18px 20px; display: flex; flex-direction: column; }
.scenario .big { order: -1; margin: 0 0 6px; }
.scenario h4 { margin: 0 0 6px; font-size: 1.05rem; }
.scenario.best { background: var(--good-soft); }
.scenario.mid { background: var(--paper-2); }
.scenario.worst { background: var(--danger-soft); }
.scenario .big { font-family: var(--display); font-weight: 900; font-size: 2.6rem; line-height: 1; letter-spacing: .01em; font-variant-numeric: tabular-nums; }

/* ---------- 費用長條 ---------- */
.fees { display: grid; gap: 8px; margin: 1.2em 0; }
.fee { display: grid; grid-template-columns: 9em 1fr 5.5em; align-items: center; gap: 12px; font-size: 1rem; }
.fee .bar { height: 16px; background: var(--seal); width: var(--w, 10%); min-width: 4px; }
.fee .val { text-align: right; font-variant-numeric: tabular-nums; }

/* ---------- 問理專清單 ---------- */
.qa { list-style: none; padding: 0; counter-reset: q; }
.qa > li { counter-increment: q; background: var(--paper-2); padding: 18px 20px 16px 64px; margin: 8px 0; position: relative; break-inside: avoid; max-width: none; }
.qa > li:nth-child(even) { background: var(--paper-3); }
.qa > li::before { content: counter(q); position: absolute; left: 18px; top: 14px; font-family: var(--display); font-weight: 900; font-size: 1.6rem; line-height: 1.1; color: var(--seal); }
.qa .q { font-family: var(--sans); font-weight: 700; display: block; margin-bottom: 6px; }
.qa .ok, .qa .bad { display: block; font-size: 1rem; }
.qa .ok::before { content: "好的回答："; color: var(--good); font-weight: 700; }
.qa .bad::before { content: "警訊："; color: var(--seal); font-weight: 700; }
.qa .why { display: block; font-size: .95rem; color: var(--ink-soft); }

/* ---------- 條目清單（取代卡片格） ---------- */
.cards { display: grid; gap: 6px; margin: 1.2em 0; }
.card {
  display: grid; grid-template-columns: minmax(0, 15em) 1fr; gap: 4px 28px; align-items: baseline;
  background: var(--paper-2); padding: 18px 22px; text-decoration: none; color: var(--ink);
  transition: background .15s, transform .2s ease;
}
.card:nth-child(even) { background: var(--paper-3); }
a.card:hover { background: var(--ink); color: var(--paper); transform: translateX(6px); }
a.card:hover h3, a.card:hover p, a.card:hover .pill { color: var(--paper); }
.card h3 { margin: 0; font-size: 1.18rem; color: var(--ink); grid-row: span 2; }
.card p { margin: 0; color: var(--ink-soft); font-size: 1rem; max-width: none; }
@media (max-width: 640px) { .card { grid-template-columns: 1fr; } .card h3 { grid-row: auto; } }
/* 標籤：純文字，以「・」分隔 */
.pill { display: inline; font-size: .95rem; color: var(--seal); font-weight: 600; }
.pill + .pill::before { content: "・"; color: var(--ink-soft); }
.pill.danger, .pill.warn { color: var(--seal); }

/* ---------- 步驟 ---------- */
.steps { counter-reset: s; list-style: none; padding: 0; }
.steps > li { counter-increment: s; position: relative; padding: 4px 0 14px 52px; }
.steps > li::before { content: counter(s); position: absolute; left: 0; top: 0; font-family: var(--display); font-weight: 900; font-size: 1.6rem; line-height: 1.1; color: var(--seal); }

/* ---------- 詞彙提示 ---------- */
dfn[data-term] { font-style: normal; text-decoration: underline dotted var(--seal) 2px; text-underline-offset: 4px; cursor: help; }
.term-tip { position: absolute; z-index: 50; max-width: 320px; background: var(--ink); color: var(--paper); font-size: .95rem; line-height: 1.6; padding: 12px 14px; box-shadow: 0 10px 30px rgba(0,0,0,.3); } /* taste-skill-ignore: floating tooltip */
.term-tip b { display: block; margin-bottom: 2px; font-family: var(--sans); }
.term-tip a { color: inherit; }

/* ---------- 表單元件 ---------- */
.controls { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px 18px; background: var(--paper-2); padding: 16px 20px; margin: 1.2em 0; }
.controls label { display: grid; gap: 2px; font-size: .95rem; color: var(--ink-soft); }
.controls input, .controls select { font: inherit; font-size: 1rem; color: var(--ink); background: var(--paper); border: 1px solid var(--border); border-radius: 0; padding: 7px 9px; width: 100%; }
button.btn { font: inherit; font-weight: 600; background: var(--seal); color: var(--seal-ink); border: none; border-radius: 0; padding: 10px 20px; cursor: pointer; transition: transform .1s, background .15s; }
button.btn:hover { background: var(--ink); color: var(--paper); }
button.btn:active { transform: translateY(1px); }
button.btn.ghost { background: var(--paper-2); color: var(--seal); }

.sources { font-size: .95rem; color: var(--ink-soft); }
.sources li { margin: 6px 0; }
.disclaimer { font-size: .95rem; color: var(--ink); background: var(--paper-2); padding: 14px 18px; }


/* 手機：頁首不固定、導覽縮成一行可換行的小字，避免佔掉第一屏 */
@media (max-width: 700px) {
  main { width: 100%; margin: 0 0 64px; padding: 32px 16px 40px; }
  main::before { top: 12px; right: 16px; }
  .site-header { position: static; }
  .site-header .inner { gap: 8px 14px; padding-top: 12px; padding-bottom: 12px; }
  .site-nav { order: 3; width: 100%; gap: 2px 14px; font-size: .95rem; }
  .theme-toggle { padding: 4px 10px; }
}

/* 進場：區塊依序淡入上移（只有腳本執行時才先藏起來） */
.js-reveal .rv { opacity: 0; transform: translateY(20px); transition: opacity .55s ease, transform .55s ease; transition-delay: var(--d, 0ms); }
.js-reveal .rv.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
@media print {
  .site-header, .site-footer, .theme-toggle, .no-print { display: none !important; }
  body { background: #fff; color: #000; font-size: 12pt; }
  main { margin: 0; padding: 0; width: auto; max-width: none; }
  main::before { display: none; }
  .rv { opacity: 1 !important; transform: none !important; }
  .qa > li { background: none; border-bottom: 1px solid #999; } /* taste-skill-ignore: print-only separator */
  a { color: #000; }
}
@media (max-width: 560px) {
  .qa > li { padding: 16px 16px 14px 46px; }
  .qa > li::before { left: 14px; font-size: 1.7rem; }
  .steps > li { padding-left: 42px; }
}
[id] { scroll-margin-top: 84px; }