/* 馬大別忙網站共用樣式：首頁、支持、教學文章、privacy、terms。顏色跟 App 的 tokens.dart 一致。 */
:root {
  color-scheme: light dark;
  --bg: #FFFFFF;
  --bg2: #F2F2F7;
  --surface: #FFFFFF;
  --text: #000000;
  --text2: #5C5C62;
  --app-bg: #F2F2F7;
  --line: #D1D1D6;
  --fill: #E9E9EE;
  --accent: #1F5FD1;
  --on-accent: #FFFFFF;
  --accent-soft: #E3ECFB;
  --tag-bg: #DDF3E2;
  --tag-text: #1C6B32;
  --warn-bg: #FFF6DB;
  --warn-text: #5A4100;
  --shadow: 0 1px 2px rgb(0 0 0 / 6%), 0 12px 32px rgb(0 0 0 / 10%);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --bg2: #1C1C1E;
    --surface: #1C1C1E;
    --text: #FFFFFF;
    --text2: #AEAEB2;
    --app-bg: #000000;
    --line: #38383A;
    --fill: #2C2C2E;
    --accent: #6EA2FF;
    --on-accent: #00194A;
    --accent-soft: #1B2B4A;
    --tag-bg: #173D22;
    --tag-text: #93E0A6;
    --warn-bg: #33270A;
    --warn-text: #FFE2A0;
    --shadow: 0 0 0 1px #38383A, 0 12px 32px rgb(0 0 0 / 60%);
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  font-size: 1.0625rem; /* 17px */
  line-height: 1.6;
  overflow-wrap: anywhere;
}
a { color: var(--accent); text-underline-offset: 3px; }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
h1, h2, h3 { line-height: 1.25; margin: 0; }
p { margin: 0 0 16px; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 640px) { .wrap { padding: 0 24px; } }

/* 頂部 */
.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: saturate(180%) blur(16px); -webkit-backdrop-filter: saturate(180%) blur(16px); border-bottom: 1px solid transparent; }
.top.ruled { border-bottom-color: var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 56px; }
.brand { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; color: var(--text); font-weight: 700; text-decoration: none; }
.brand img { width: 28px; height: 28px; border-radius: 7px; }
.top-link { display: inline-flex; align-items: center; min-height: 44px; font-weight: 600; text-decoration: none; }
.top-nav { display: flex; align-items: center; gap: 4px 16px; }
.top-nav a:not(.top-link) { display: inline-flex; align-items: center; min-height: 44px; color: var(--text2); text-decoration: none; font-size: 0.9375rem; }
.top-nav a:not(.top-link):hover, .top-nav a[aria-current] { color: var(--text); }

/* 按鈕 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 52px; padding: 0 24px; border-radius: 14px;
  font-weight: 600; text-decoration: none;
}
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { filter: brightness(1.08); }

/* 首頁：主視覺 */
.hero { background: radial-gradient(120% 80% at 80% 0%, var(--bg2), transparent 70%); }
.hero .wrap { display: grid; gap: 48px; padding-top: 40px; padding-bottom: 56px; align-items: center; }
@media (min-width: 860px) { .hero .wrap { grid-template-columns: 1fr auto; gap: 64px; padding-top: 72px; padding-bottom: 88px; } }
.eyebrow { display: inline-block; margin-bottom: 16px; padding: 4px 12px; border-radius: 999px; background: var(--fill); color: var(--text2); font-size: 0.875rem; font-weight: 600; }
.hero h1 { font-size: clamp(2.25rem, 7vw, 3.5rem); font-weight: 800; letter-spacing: -0.01em; margin-bottom: 16px; }
.hero .lead, .page .lead { font-size: 1.1875rem; color: var(--text2); margin-bottom: 32px; }
.hero .lead { max-width: 30em; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.cta .btn-primary { flex: 1 1 100%; }
@media (min-width: 480px) { .cta .btn-primary { flex: none; } }
.note { margin: 16px 0 0; font-size: 0.9375rem; color: var(--text2); }

/* 首頁：App 畫面示意（純 HTML/CSS）。不畫手機外框：Apple 不准自己畫 iPhone 的樣子 */
.shot { justify-self: center; width: 264px; height: 500px; border-radius: 28px; box-shadow: var(--shadow); }
.screen {
  position: relative; height: 100%; overflow: hidden; border-radius: 28px;
  background: var(--app-bg); color: var(--text); font-size: 11px; line-height: 1.4;
  display: flex; flex-direction: column;
}
.screen .title { text-align: center; font-weight: 700; font-size: 13px; padding: 16px 0 12px; }
.screen .list { flex: 1; padding: 0 8px; display: grid; gap: 8px; align-content: start; }
.card { background: var(--surface); border-radius: 12px; padding: 8px 12px; }
.card h4 { margin: 0 0 4px; font-size: 12px; font-weight: 700; }
.card dl { margin: 0; display: grid; grid-template-columns: 44px 1fr; row-gap: 2px; }
.card dt { color: var(--text2); }
.card dd { margin: 0; color: var(--text2); }
.card dd.me { color: var(--accent); font-weight: 600; }
.card dd.set { color: var(--text); }
.tag { display: inline-block; margin-left: 4px; padding: 0 4px; border-radius: 4px; font-size: 11px; font-weight: 600; background: var(--tag-bg); color: var(--tag-text); }
.tabs { display: grid; grid-template-columns: repeat(4, 1fr); padding: 8px 4px 12px; background: var(--surface); border-top: 1px solid var(--line); }
.tabs span { display: grid; justify-items: center; gap: 4px; font-size: 11px; color: var(--text2); }
.tabs span.on { color: var(--accent); }
.tabs svg { width: 18px; height: 18px; }

/* 首頁：區塊 */
.section { padding: 64px 0; }
.section.alt { background: var(--bg2); }
.section h2 { font-size: clamp(1.625rem, 4vw, 2rem); font-weight: 800; margin-bottom: 12px; }
.section .sub { color: var(--text2); margin-bottom: 32px; max-width: 34em; }
.grid3 { display: grid; gap: 16px; }
@media (min-width: 720px) { .grid3 { grid-template-columns: repeat(3, 1fr); } }
.feature { background: var(--surface); border-radius: 18px; padding: 24px; }
.section:not(.alt) .feature { background: var(--bg2); }
.feature .icon { display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 16px; border-radius: 12px; background: var(--accent-soft); color: var(--accent); }
.feature .icon svg { width: 24px; height: 24px; }
.feature h3 { font-size: 1.1875rem; font-weight: 700; margin-bottom: 8px; }
.feature p { margin: 0; color: var(--text2); }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; counter-reset: step; }
@media (min-width: 720px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.steps li { counter-increment: step; display: grid; grid-template-columns: 36px 1fr; gap: 12px; align-items: start; }
.steps li::before {
  content: counter(step); display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%;
  background: var(--accent); color: var(--on-accent); font-weight: 700;
}
.steps strong { display: block; margin-top: 4px; }
.steps span { color: var(--text2); }
.free { display: grid; gap: 24px; align-items: center; }
@media (min-width: 720px) { .free { grid-template-columns: 1fr 1fr; gap: 48px; } }
.free p:last-child { margin-bottom: 0; }
.verse { margin: 0; padding: 0 0 0 24px; border-left: 4px solid var(--line); font-size: 1.125rem; }
.verse p { margin-bottom: 8px; }
.verse cite { font-style: normal; font-size: 0.9375rem; color: var(--text2); }

/* 一般頁面：支持、教學文章 */
.page .wrap { padding-top: 40px; padding-bottom: 64px; }
.narrow { max-width: 720px; }
.page h1 { font-size: clamp(1.875rem, 5vw, 2.5rem); font-weight: 800; margin-bottom: 12px; }
.panel { background: var(--bg2); border-radius: 18px; padding: 24px; margin-bottom: 16px; }
.panel h2 { font-size: 1.1875rem; font-weight: 700; margin-bottom: 12px; }
.panel ul { margin: 0 0 16px; padding-left: 24px; }
.panel li { margin-bottom: 4px; }
.panel > :last-child { margin-bottom: 0; }
.panel .amount { font-size: 1.75rem; font-weight: 700; margin-bottom: 12px; font-variant-numeric: tabular-nums; }
.bar { height: 8px; border-radius: 999px; background: var(--fill); overflow: hidden; margin-bottom: 12px; }
.bar span { display: block; height: 100%; width: 0; border-radius: inherit; background: var(--accent); }
.panel .status { font-weight: 600; margin-bottom: 4px; }
.fine { color: var(--text2); font-size: 0.9375rem; }
.btn.wide { width: 100%; margin: 8px 0 12px; }
@media (min-width: 480px) { .btn.wide { width: auto; min-width: 240px; } }
button.btn { border: 0; font: inherit; font-weight: 600; cursor: pointer; }
button.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button.btn:disabled { opacity: 0.6; cursor: default; filter: none; }
.notice { margin-bottom: 16px; padding: 12px 16px; border-radius: 14px; background: var(--tag-bg); color: var(--tag-text); font-weight: 600; }

/* 支持頁：選金額 */
.amounts { border: 0; margin: 0 0 12px; padding: 0; min-width: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(72px, 1fr)); gap: 8px; }
.amounts legend { padding: 0; margin-bottom: 8px; font-size: 0.9375rem; color: var(--text2); }
.amounts label {
  position: relative; display: grid; place-items: center; min-height: 44px; padding: 0 8px; border-radius: 12px;
  background: var(--surface); border: 1px solid var(--line); font-weight: 600; font-variant-numeric: tabular-nums; cursor: pointer;
}
.amounts input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.amounts label:has(input:checked) { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.amounts label:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: 2px; }
.custom { display: grid; gap: 4px; margin-bottom: 4px; }
.custom[hidden] { display: none; }
.custom label { font-size: 0.9375rem; color: var(--text2); }
.custom input {
  width: 100%; min-height: 44px; padding: 0 12px; border-radius: 12px; border: 1px solid var(--line);
  background: var(--surface); color: var(--text); font: inherit; font-variant-numeric: tabular-nums;
}
.custom input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.posts { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.posts a { display: block; padding: 24px; border-radius: 18px; background: var(--bg2); color: var(--text); text-decoration: none; }
.posts a:hover { background: var(--fill); }
.posts h2 { font-size: 1.1875rem; font-weight: 700; margin-bottom: 8px; }
.posts p { color: var(--text2); margin-bottom: 8px; }
.posts time, .prose .meta { color: var(--text2); font-size: 0.875rem; }
.prose { line-height: 1.8; }
.prose .meta { margin-bottom: 8px; }
.prose .meta a { color: var(--text2); }
.prose h2 { font-size: 1.375rem; font-weight: 700; margin: 40px 0 12px; }
.prose h3 { font-size: 1.125rem; font-weight: 700; margin: 32px 0 8px; }
.prose ul, .prose ol { padding-left: 24px; margin: 0 0 16px; }
.prose li { margin-bottom: 8px; }
.prose img { max-width: 100%; height: auto; border-radius: 14px; }
.prose code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.875em; padding: 1px 6px; border-radius: 6px; background: var(--fill); }
.prose blockquote { margin: 0 0 16px; padding-left: 16px; border-left: 4px solid var(--line); color: var(--text2); }

/* 頁尾 */
.foot { padding: 32px 0 48px; border-top: 1px solid var(--line); color: var(--text2); font-size: 0.9375rem; }
.foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; align-items: center; }
.foot nav { display: flex; flex-wrap: wrap; column-gap: 24px; }
.foot nav a { display: inline-flex; align-items: center; min-height: 44px; color: var(--text2); text-decoration: none; }
.foot nav a:hover { color: var(--text); }
.foot p { margin: 0; }

/* 法律文件 */
.doc .wrap { display: grid; gap: 32px; padding-top: 32px; padding-bottom: 64px; }
@media (min-width: 900px) { .doc .wrap { grid-template-columns: 220px minmax(0, 1fr); gap: 56px; padding-top: 48px; } }
.doc aside { min-width: 0; }
@media (min-width: 900px) { .doc aside { position: sticky; top: 80px; align-self: start; max-height: calc(100vh - 96px); overflow: auto; } }
.toc { background: var(--bg2); border-radius: 14px; }
.toc summary { display: flex; align-items: center; justify-content: space-between; min-height: 48px; padding: 0 16px; font-weight: 600; cursor: pointer; list-style: none; }
.toc summary::-webkit-details-marker { display: none; }
.toc summary::after { content: ""; width: 8px; height: 8px; border-right: 2px solid var(--text2); border-bottom: 2px solid var(--text2); transform: rotate(45deg) translateY(-2px); transition: transform .15s; }
@media (prefers-reduced-motion: reduce) { .toc summary::after { transition: none; } }
.toc[open] summary::after { transform: rotate(-135deg) translateY(-2px); }
.toc ol { list-style: none; margin: 0; padding: 0 8px 8px; }
.toc a { display: flex; align-items: center; min-height: 44px; padding: 0 8px; border-radius: 8px; color: var(--text2); text-decoration: none; font-size: 0.9375rem; }
.toc a:hover { background: var(--fill); color: var(--text); }
@media (min-width: 900px) {
  .toc { background: none; }
  .toc summary { pointer-events: none; padding: 0 8px; min-height: 32px; font-size: 0.8125rem; color: var(--text2); }
  .toc summary::after { display: none; }
  .toc ol { padding: 0; }
}
.legal { min-width: 0; max-width: 680px; line-height: 1.75; }
.legal h1 { font-size: clamp(1.875rem, 5vw, 2.5rem); font-weight: 800; margin-bottom: 8px; }
.legal h2 { font-size: 1.375rem; font-weight: 700; margin: 48px 0 16px; padding-top: 24px; border-top: 1px solid var(--line); scroll-margin-top: 72px; }
.legal h3 { font-size: 1.0625rem; font-weight: 700; margin: 32px 0 12px; }
.legal ul, .legal ol { padding-left: 24px; margin: 0 0 16px; }
.legal li { margin-bottom: 8px; }
.legal li::marker { color: var(--text2); }
.legal dl { margin: 0 0 16px; padding: 4px 16px; border-radius: 14px; background: var(--bg2); }
.legal dl > div { padding: 12px 0; }
.legal dl > div + div { border-top: 1px solid var(--line); }
@media (min-width: 640px) { .legal dl > div { display: grid; grid-template-columns: 88px 1fr; gap: 16px; } }
.legal dt { font-weight: 600; color: var(--text2); font-size: 0.9375rem; }
.legal dd { margin: 0; }
.legal code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.875em; padding: 1px 6px; border-radius: 6px; background: var(--fill); }
.updated { color: var(--text2); margin-bottom: 32px; }
.draft { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 24px; padding: 12px 16px; border-radius: 14px; background: var(--warn-bg); color: var(--warn-text); font-size: 0.9375rem; line-height: 1.6; }
.draft svg { flex: none; width: 20px; height: 20px; margin-top: 2px; }
.draft p { margin: 0; }
.todo { background: var(--warn-bg); color: var(--warn-text); padding: 1px 4px; border-radius: 4px; }