/* 2026 青少年藥物濫用預防與犯罪防治國際研討會 — 共用樣式 */
/* 報刊政策派 / NYT × 報導者 × 兒少人權監督平台 */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+TC:wght@400;500;600;700;900&family=Noto+Sans+TC:wght@300;400;500;600;700;900&family=Bodoni+Moda:ital,wght@0,400;0,700;0,900;1,400&family=Source+Serif+4:ital,wght@0,400;0,600;0,700;1,400&display=swap');

:root {
  --ink: #1a1a1a;
  --ink-soft: #4a4a4a;
  --ink-mute: #7a7a7a;
  --paper: #faf7f2;
  --paper-warm: #f3eee5;
  --line: #d4cfc4;
  --line-soft: #e8e4dc;
  --accent: #8a2c2c;       /* 深酒紅 */
  --accent-soft: #c9a87c;  /* 暖金 */
  --highlight: #fff4d6;
  --positive: #2d6a4f;
  --warning: #b8860b;

  --serif: "Source Serif 4","Noto Serif TC",Georgia,serif;
  --sans: "Noto Sans TC","Helvetica Neue",-apple-system,sans-serif;
  --display: "Bodoni Moda","Noto Serif TC",serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.75;
  font-feature-settings: "kern", "liga";
}

/* === 報頭 === */
.masthead {
  border-bottom: 1px solid var(--line);
  padding: 28px 0 16px;
  margin-bottom: 48px;
  background: var(--paper);
}
.masthead-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 14px;
}
.masthead-title {
  font-family: var(--display);
  font-weight: 900;
  font-size: 34px;
  letter-spacing: -0.01em;
  line-height: 1.05;
  margin: 0;
  color: var(--ink);
}
.masthead-title small {
  display: block;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
  margin-top: 8px;
  text-transform: uppercase;
}
.masthead-meta {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
  text-align: right;
}
.masthead-meta a {
  color: var(--accent);
  text-decoration: none;
}
.masthead-meta a:hover { text-decoration: underline; }

/* === 主容器 === */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px 80px;
}

/* === 場次題頭 === */
.session-header {
  border-top: 4px double var(--ink);
  border-bottom: 1px solid var(--line);
  padding: 28px 0 32px;
  margin-bottom: 40px;
}
.session-kicker {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--accent);
  margin-bottom: 14px;
  text-transform: uppercase;
}
.session-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: 56px;
  line-height: 1.08;
  margin: 0 0 14px;
  letter-spacing: -0.015em;
  color: var(--ink);
  font-feature-settings: "ss01";
}
.session-title-zh {
  font-family: "Noto Serif TC", serif;
  font-weight: 700;
  font-size: 44px;
  line-height: 1.2;
  margin: 0 0 16px;
  color: var(--ink);
  letter-spacing: -0.005em;
}
.session-subtitle {
  font-family: var(--serif);
  font-style: italic;
  font-size: 20px;
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 0 0 22px;
  max-width: 760px;
}
.session-byline {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 36px;
  font-family: var(--sans);
  font-size: 13.5px;
  color: var(--ink-soft);
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}
.session-byline > div { line-height: 1.5; }
.session-byline strong {
  display: block;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-mute);
  text-transform: uppercase;
  margin-bottom: 4px;
}

/* === 摘要區 (報紙導言) === */
.lede {
  border-left: 3px solid var(--accent);
  padding: 8px 0 8px 28px;
  margin: 0 0 56px;
  font-size: 21px;
  line-height: 1.7;
  font-style: italic;
  color: var(--ink-soft);
  font-family: var(--serif);
  max-width: 820px;
}
.lede strong {
  font-style: normal;
  color: var(--ink);
}

/* === 章節標題 === */
.section-title {
  font-family: var(--display);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 64px 0 6px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--ink);
  display: flex;
  align-items: baseline;
  gap: 18px;
  color: var(--ink);
}
.section-title-zh {
  font-family: "Noto Serif TC", serif;
  font-size: 28px;
  font-weight: 700;
  margin: 64px 0 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--ink);
  color: var(--ink);
}
.section-title small {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--ink-mute);
  text-transform: uppercase;
}

/* === 投影片卡片 === */
.slide-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin: 32px 0;
}
.slide {
  background: white;
  border: 1px solid var(--line);
  border-radius: 0;
  overflow: hidden;
  display: grid;
  grid-template-columns: 5fr 4fr;
  gap: 0;
  align-items: stretch;
  page-break-inside: avoid;
}
.slide-img {
  background: var(--paper-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 1px solid var(--line-soft);
  position: relative;
}
.slide-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.slide-img a {
  display: block;
  width: 100%;
  height: 100%;
}
.slide-num {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(26,26,26,0.8);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 0;
  z-index: 1;
}
.slide-body {
  padding: 28px 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.slide-kicker {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
}
.slide-title {
  font-family: "Noto Serif TC", serif;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
  margin: 0;
}
.slide-title-en {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
  margin: 0;
}
.slide-content {
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink-soft);
}
.slide-content ul, .slide-content ol {
  margin: 8px 0;
  padding-left: 22px;
}
.slide-content li { margin: 5px 0; }
.slide-content strong { color: var(--ink); }
.slide-content em {
  font-style: normal;
  background: var(--highlight);
  padding: 0 4px;
  color: var(--ink);
}
.slide-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0;
  font-size: 14px;
}
.slide-content th, .slide-content td {
  padding: 6px 8px;
  border-bottom: 1px solid var(--line-soft);
  text-align: left;
}
.slide-content th {
  font-weight: 700;
  color: var(--ink);
  background: var(--paper-warm);
}

@media (max-width: 820px) {
  .slide { grid-template-columns: 1fr; }
  .slide-img { border-right: none; border-bottom: 1px solid var(--line-soft); }
  .session-title { font-size: 42px; }
  .session-title-zh { font-size: 32px; }
  .masthead-title { font-size: 24px; }
}

/* === 講者引文 === */
.quote {
  background: var(--paper-warm);
  border-left: 4px solid var(--accent);
  padding: 22px 26px;
  margin: 24px 0;
  font-family: var(--serif);
  font-size: 19px;
  font-style: italic;
  line-height: 1.65;
  color: var(--ink);
  position: relative;
}
.quote::before {
  content: "\201C";
  font-family: var(--display);
  font-size: 80px;
  position: absolute;
  top: -10px;
  left: 12px;
  color: var(--accent-soft);
  line-height: 1;
}
.quote-attr {
  display: block;
  margin-top: 10px;
  font-style: normal;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
}
.quote-attr::before { content: "— "; }

/* === 重點框 === */
.callout {
  background: var(--paper-warm);
  border: 1px solid var(--line);
  border-left: 6px solid var(--accent);
  padding: 22px 26px;
  margin: 32px 0;
}
.callout h4 {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--accent);
  margin: 0 0 12px;
  text-transform: uppercase;
}
.callout-body {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-soft);
}
.callout-body strong { color: var(--ink); }

/* === 數據表 === */
.data-box {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 0;
  border: 1px solid var(--line);
  margin: 28px 0;
  background: white;
}
.data-cell {
  padding: 22px 20px;
  border-right: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.data-cell:last-child { border-right: none; }
.data-num {
  font-family: var(--display);
  font-size: 38px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 6px;
}
.data-num small { font-size: 16px; font-weight: 600; color: var(--ink-soft); }
.data-label {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
  line-height: 1.4;
}

/* === 演講核心論述 === */
.thesis {
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  padding: 36px 0;
  margin: 48px 0 32px;
}
.thesis-label {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--accent);
  margin-bottom: 18px;
  text-transform: uppercase;
}
.thesis-body {
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.7;
  color: var(--ink);
}
.thesis-body ol {
  margin: 0;
  padding-left: 0;
  list-style: none;
  counter-reset: thesis;
}
.thesis-body ol li {
  counter-increment: thesis;
  padding: 14px 0 14px 56px;
  position: relative;
  border-bottom: 1px solid var(--line-soft);
}
.thesis-body ol li:last-child { border-bottom: none; }
.thesis-body ol li::before {
  content: counter(thesis, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 14px;
  font-family: var(--display);
  font-size: 28px;
  font-weight: 700;
  color: var(--accent-soft);
  letter-spacing: -0.02em;
}

/* === 頁尾導覽 === */
.session-nav {
  border-top: 1px solid var(--line);
  margin-top: 80px;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-family: var(--sans);
  font-size: 13px;
}
.session-nav a {
  color: var(--accent);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-width: 320px;
}
.session-nav a small {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-mute);
  text-transform: uppercase;
}
.session-nav a:hover { text-decoration: underline; }

footer {
  border-top: 1px solid var(--line);
  padding: 24px 28px;
  margin-top: 40px;
  text-align: center;
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-mute);
  letter-spacing: 0.06em;
}

/* === 索引頁專用 === */
.index-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
  gap: 0;
  margin: 40px 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.index-card {
  padding: 32px 26px;
  border-right: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  text-decoration: none;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: background 0.2s;
  position: relative;
}
.index-card:hover { background: var(--paper-warm); }
.index-card-num {
  font-family: var(--display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--accent);
  text-transform: uppercase;
}
.index-card-time {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-mute);
  letter-spacing: 0.08em;
}
.index-card-title {
  font-family: "Noto Serif TC", serif;
  font-size: 21px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
  margin: 8px 0 4px;
}
.index-card-speaker {
  font-family: var(--serif);
  font-style: italic;
  font-size: 15px;
  color: var(--ink-soft);
  margin: 0;
}
.index-card-summary {
  font-family: var(--serif);
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--ink-soft);
  margin-top: 10px;
}
.index-card .arrow {
  margin-top: auto;
  padding-top: 16px;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

/* 第六場沒參加標記 */
.index-card.unattended {
  opacity: 0.5;
  pointer-events: none;
}
.index-card.unattended .arrow { color: var(--ink-mute); }

@media (max-width: 600px) {
  body { font-size: 16px; }
  .session-title { font-size: 32px; }
  .session-title-zh { font-size: 26px; }
  .section-title-zh { font-size: 22px; }
  .container { padding: 0 18px 60px; }
}