/* ============================================================
   EASYPAY 圖文教程 — 結構與字體排版層
   主題色彩由 theme-aqua.css / theme-obsidian.css 覆寫
   ============================================================ */
:root {
  --paper: #f5f7f8; --surface: #fff; --ink: #172127; --muted: #5b6870;
  --rule: #cbd4d9; --signal: #16736f; --caution: #a44d19;
  --display: "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", "Heiti TC", system-ui, sans-serif;
  --body: "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", "Heiti TC", system-ui, sans-serif;
  --utility: ui-monospace, "SFMono-Regular", Consolas, monospace;

  /* 字級：中文不用負字距，行高放寬 */
  --fs-hero: clamp(38px, 4.6vw, 62px);
  --fs-chapter: clamp(26px, 3.1vw, 40px);
  --fs-station: clamp(21px, 2.1vw, 28px);
  --fs-lead: 18px;
  --fs-body: 16px;
  --fs-meta: 13px;
  --lh-display: 1.22;
  --lh-body: 1.85;

  /* 間距刻度 */
  --s1: 6px; --s2: 12px; --s3: 20px; --s4: 32px; --s5: 48px; --s6: 72px; --s7: 104px;
  --gutter: clamp(24px, 4.4vw, 68px);

  color: var(--ink); font-family: var(--body); background: var(--paper);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 32px; }
body { margin: 0; background: var(--paper); font-size: var(--fs-body); line-height: var(--lh-body); }
img { display: block; max-width: 100%; }
a { color: inherit; }
a:focus-visible { outline: 3px solid var(--signal); outline-offset: 4px; }
h1, h2, h3 { font-family: var(--display); line-height: var(--lh-display); letter-spacing: 0; }
p { margin: 0; }

.step[id], .chapter-intro[id] { scroll-margin-top: 32px; }
.responsive-media { display: block; }

/* ---------- 容器 ---------- */
.tutorial { width: min(100%, 1180px); min-height: 100vh; margin: 0 auto; padding-bottom: var(--s6); background: var(--surface); }
{ padding-bottom: var(--s6); }

/* ---------- 封面 ---------- */
.guide-cover { position: relative; padding: var(--s4) var(--gutter) var(--s5); border-bottom: 1px solid var(--rule); }
.guide-cover__kicker, .station-code, .journey-directory__code, .guide-footer, .chapter-intro__progress { font-family: var(--utility); letter-spacing: .12em; text-transform: uppercase; }
.guide-cover__kicker { margin: 0; color: var(--signal); font-size: 11px; }
.guide-cover__title { max-width: 24ch; margin: 14px 0 0; font: 800 var(--fs-hero)/var(--lh-display) var(--display); }
.guide-cover__title-line { display: flex; flex-wrap: wrap; align-items: baseline; column-gap: .2em; }
.guide-cover__title-token { display: inline-block; white-space: nowrap; }
.guide-cover__intro { max-width: 40em; margin: 14px 0 0; color: var(--muted); font-size: var(--fs-lead); line-height: 1.8; }
.guide-cover__visual { position: relative; width: min(100%, 760px); margin: var(--s3) 0 0; }
.guide-cover__visual .media-badge { position: absolute; top: 10px; left: 10px; z-index: 1; margin: 0; }
.guide-cover__image { width: 100%; max-height: 230px; object-fit: cover; border: 1px solid var(--rule); }
.guide-cover { display: block; min-height: 0; }
/* 兩個主題的視覺框與 kicker 內距不同，鎖定外框高度讓切換主題時封面不重排 */
.guide-cover__kicker { display: flex; align-items: center; width: max-content; height: 36px; }
.guide-cover__visual { height: 258px; }
.guide-cover .funds-route { margin-top: var(--s3); }

/* ---------- 資金路徑 ---------- */
.funds-route { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; margin: var(--s4) 0 0; padding: 0; list-style: none; }
.funds-stop { position: relative; padding: 16px 14px 0 0; border-top: 3px solid var(--signal); }
.funds-stop::before { content: ""; position: absolute; top: -7px; left: 0; width: 11px; height: 11px; border-radius: 50%; background: var(--surface); border: 3px solid var(--signal); }
.funds-stop__label { display: block; margin-bottom: 4px; color: var(--muted); font: 10px/1.3 var(--utility); letter-spacing: .1em; text-transform: uppercase; }
.funds-stop__value { display: block; font: 700 15px/1.45 var(--display); }
.funds-stop__note { display: block; margin-top: 5px; color: var(--caution); font-size: 10px; line-height: 1.45; }

/* ---------- 旅程目錄 ---------- */
.journey-directory { padding: var(--s5) var(--gutter); border-bottom: 1px solid var(--rule); }
.journey-directory__title { margin: 0 0 var(--s3); font: 800 var(--fs-chapter)/var(--lh-display) var(--display); }
.journey-directory__list { display: grid; gap: 0 var(--s5); margin: 0; padding: 0; list-style: none; }
.journey-directory__item { display: grid; grid-template-columns: 30px 1fr auto; align-items: baseline; gap: 10px; padding: 11px 0; border-bottom: 1px solid var(--rule); }
.journey-directory__code { color: var(--signal); font-size: 11px; }
.journey-directory__link { text-decoration: none; font-weight: 650; line-height: 1.5; }
.journey-directory__link:hover { text-decoration: underline; text-underline-offset: 4px; }
.journey-directory__badge { color: var(--muted); font: 10px/1 var(--utility); letter-spacing: .08em; white-space: nowrap; }

/* ---------- 章節分隔 ---------- */
.chapter-intro { margin: var(--s7) 0 var(--s5); padding: 0 var(--gutter); }
.chapter-intro__progress { margin: 0 0 var(--s2); color: var(--signal); font-size: 11px; font-weight: 700; }
.chapter-intro__title { max-width: 16ch; margin: 0; font: 800 var(--fs-chapter)/var(--lh-display) var(--display); }
.chapter-intro__summary { max-width: 46em; margin: var(--s2) 0 0; color: var(--muted); font-size: var(--fs-lead); line-height: 1.8; }

/* ---------- 站點 ---------- */
.guide-sections { position: relative; padding: 0; }
.journey-ticket { position: relative; margin: 0; padding: var(--s5) var(--gutter); border-top: 1px solid var(--rule); }
.step__header { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s2); margin-bottom: var(--s2); }
.station-code { color: var(--signal); font-size: 10px; }
.step__title { margin: 0; font: 800 var(--fs-station)/1.3 var(--display); }
.step__action { margin: var(--s3) 0 0; font-size: var(--fs-lead); font-weight: 650; line-height: 1.7; }
.step__detail { margin: var(--s2) 0 0; color: var(--muted); line-height: var(--lh-body); }
.step__media { position: relative; margin: var(--s3) 0 0; }
.step__image { width: 100%; height: auto; max-height: 460px; object-fit: contain; border: 1px solid var(--rule); background: var(--paper); }
.step__caption { margin-top: 8px; color: var(--muted); font: 10px/1.5 var(--utility); letter-spacing: .06em; }
.media-badge { position: relative; z-index: 1; display: table; margin: var(--s3) 0 calc(var(--s2) * -1); padding: 5px 9px; color: var(--surface); background: var(--ink); font: 700 10px/1.4 var(--utility); letter-spacing: .1em; }
.video-card { width: min(100%, 320px); margin: var(--s4) 0 0; padding: var(--s2); border: 1px solid var(--rule); background: var(--paper); }
.video-card__badge { display: table; margin-bottom: var(--s2); padding: 5px 9px; color: var(--surface); background: var(--signal); font: 700 10px/1.4 var(--utility); letter-spacing: .1em; }
.video-card__title { margin: 0 0 var(--s2); font: 750 16px/1.45 var(--display); }
.video-card__player { display: block; width: 100%; height: auto; aspect-ratio: 570 / 1280; border: 1px solid var(--rule); border-radius: 18px; background: #080b0d; object-fit: contain; }
.video-card__caption { margin-top: var(--s2); color: var(--muted); font-size: 12px; line-height: 1.65; }
.callout { display: grid; grid-template-columns: 52px 1fr; gap: var(--s2); margin: var(--s3) 0 0; padding: 14px 0; border-top: 1px solid var(--caution); border-bottom: 1px solid var(--caution); color: var(--caution); }
.callout__label { font: 700 11px/1.7 var(--utility); letter-spacing: .1em; }
.callout__text, .verification__text { margin: 0; line-height: var(--lh-body); }
.verification { display: grid; grid-template-columns: 22px 1fr; gap: 10px; align-items: start; margin-top: var(--s3); }
.verification__box { font: 18px/1.6 var(--utility); color: var(--signal); }

/* 寬螢幕：文字左、圖片右 */
@media (min-width: 1000px) {
  .journey-ticket { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, 420px); column-gap: var(--s5); align-items: start; }
  .journey-ticket > .step__header,
  .journey-ticket > .step__action,
  .journey-ticket > .step__detail,
  .journey-ticket > .video-card,
  .journey-ticket > .callout,
  .journey-ticket > .verification { grid-column: 1; }
  .journey-ticket > .media-badge { grid-column: 2; grid-row: 1; margin: 0; align-self: start; justify-self: start; }
  .journey-ticket > .step__media { grid-column: 2; grid-row: 2 / span 12; margin-top: var(--s2); position: sticky; top: 32px; }
  .journey-ticket > .step__media .step__image { max-height: 640px; }
  .journey-ticket > .step__action { margin-top: var(--s2); }
  .journey-ticket > .video-card { justify-self: start; }
  .journey-directory__list { grid-template-columns: 1fr 1fr; }
  .guide-cover__title { max-width: 20ch; }

  /* 橫幅示意圖用整寬，窄欄會把圖裡的字縮到看不清 */
  .journey-ticket:has(.step__image[data-media-type="illustration"]) { display: block; }
  .journey-ticket:has(.step__image[data-media-type="illustration"]) > .step__action,
  .journey-ticket:has(.step__image[data-media-type="illustration"]) > .step__detail,
  .journey-ticket:has(.step__image[data-media-type="illustration"]) > .video-card,
  .journey-ticket:has(.step__image[data-media-type="illustration"]) > .callout,
  .journey-ticket:has(.step__image[data-media-type="illustration"]) > .verification { max-width: 62ch; }
  .journey-ticket:has(.step__image[data-media-type="illustration"]) > .step__media { position: static; margin-top: var(--s2); }
  .journey-ticket:has(.step__image[data-media-type="illustration"]) .step__image { max-height: 620px; }
}
@media (min-width: 1360px) {
  .journey-directory__list { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- 結尾 ---------- */
.guide-disclaimer { margin: var(--s6) var(--gutter) 0; padding: var(--s3); border: 2px solid var(--ink); }
.guide-disclaimer__label { font: 700 11px/2 var(--utility); letter-spacing: .1em; }
.guide-disclaimer p { margin: 6px 0 0; line-height: var(--lh-body); }
.guide-footer { display: flex; justify-content: space-between; gap: var(--s3); margin-top: var(--s5); padding: var(--s3) var(--gutter); border-top: 1px solid var(--rule); color: var(--muted); font-size: 10px; }

/* ---------- 窄螢幕 ---------- */
@media (max-width: 680px) {
  .guide-cover, .journey-directory, .journey-ticket { padding-left: var(--gutter); padding-right: var(--gutter); }
  .funds-route { grid-template-columns: 1fr; margin-top: var(--s4); }
  .funds-stop { padding: 10px 0 20px 22px; border-top: 0; border-left: 3px solid var(--signal); }
  .funds-stop::before { top: 12px; left: -7px; }
  .callout { grid-template-columns: 1fr; gap: 4px; }
  .video-card { width: min(100%, 300px); margin-left: auto; margin-right: auto; }
  .guide-disclaimer { margin-left: var(--gutter); margin-right: var(--gutter); }
  .guide-footer { flex-direction: column; gap: 4px; }
}
@media print {
  @page { size: A4; margin: 12mm; }
  body { background: #fff; }
  .journey-ticket { break-inside: avoid; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }