/* ============================================================
   9:16 画面（逻辑画布 1080 × 1920，整体等比缩放到播放器内）
   两套主题：纸面浅色 paper / 墨蓝深色 ink
   每张画面只允许一处强调色
   ============================================================ */

.scene-canvas {
  font-family: var(--font-sans);
  --sc-pad: 108px;      /* 画面安全边距：左右各 10% */
  --sc-top: 180px;
  --sc-bottom: 260px;   /* 给字幕层留出位置 */
}

.sc-root {
  position: absolute;
  inset: var(--sc-top) var(--sc-pad) var(--sc-bottom);
  display: grid;
  align-content: center;
  gap: 56px;
}

/* 底纹：纸面主题带细微纸纹与手绘边线，墨蓝主题带极淡网格 */
.scene-canvas[data-theme="paper"]::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(0deg, rgba(36, 31, 24, .035) 0 1px, transparent 1px 7px);
  pointer-events: none;
}
.scene-canvas[data-theme="ink"]::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(255, 255, 255, .028) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .028) 0 1px, transparent 1px 72px);
  pointer-events: none;
}

/* 角落的栏目标识，两套主题都用中性色，不占强调位 */
.sc-brandmark {
  position: absolute;
  top: 72px;
  left: var(--sc-pad);
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--sc-ink-2);
}
.sc-brandmark__bar { width: 44px; height: 5px; border-radius: 3px; background: var(--sc-ink-2); }

/* 水印挪到右上时，页码自动换到左边，两件东西不叠在一起 */
.sc-brandmark--right { left: auto; right: var(--sc-pad); flex-direction: row-reverse; }

.sc-pageno {
  position: absolute;
  top: 72px;
  right: var(--sc-pad);
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--sc-ink-2);
}
.sc-pageno--left { right: auto; left: var(--sc-pad); }

/* ---------- 片尾关注卡 ---------- */

.sc-endcard {
  position: absolute;
  inset: var(--sc-top) var(--sc-pad) var(--sc-bottom);
  display: grid;
  gap: 40px;
  align-content: center;
  justify-items: center;
  text-align: center;
}
.sc-endcard__avatar {
  display: grid;
  place-items: center;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: var(--sc-accent);
  color: var(--sc-on-accent);
  font-size: 108px;
  font-weight: 800;
}
.sc-endcard__name { font-size: 76px; font-weight: 800; letter-spacing: -.01em; color: var(--sc-ink); }
.sc-endcard__cta {
  max-width: 14em;
  font-size: 48px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--sc-ink-2);
}
.sc-endcard__ai {
  position: absolute;
  bottom: 96px;
  left: var(--sc-pad);
  right: var(--sc-pad);
  text-align: center;
  font-size: 26px;
  letter-spacing: .08em;
  color: var(--sc-ink-2);
  opacity: .75;
}

/* ---------- 通用排版件 ---------- */

.sc-tag {
  justify-self: start;
  padding: 12px 28px;
  font-size: 34px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--sc-on-accent);
  background: var(--sc-accent);
  border-radius: 10px;
}
.scene-canvas[data-theme="paper"] .sc-tag { border-radius: 120px 14px 110px 14px / 14px 110px 14px 120px; }

.sc-h1 { font-size: 104px; font-weight: 800; line-height: 1.18; letter-spacing: -.02em; }
.sc-h2 { font-size: 62px; font-weight: 750; line-height: 1.3; letter-spacing: -.01em; }
.sc-sub { font-size: 44px; font-weight: 500; line-height: 1.55; color: var(--sc-ink-2); }
.sc-rule { width: 160px; height: 8px; border-radius: 4px; background: var(--sc-ink); opacity: .22; }

.sc-source {
  position: absolute;
  left: var(--sc-pad);
  right: var(--sc-pad);
  bottom: 148px;
  font-size: 24px;
  line-height: 1.4;
  color: var(--sc-ink-2);
  opacity: .9;
}

.sc-empty { font-size: 40px; color: var(--sc-ink-2); opacity: .6; }

/* ---------- 标题卡 ---------- */

.sc-title { align-content: center; gap: 40px; }
.sc-title .sc-h1 { font-size: 112px; }

/* ---------- 要点列表 ---------- */

.sc-bullets { gap: 44px; align-content: center; }
.sc-bullets__head { display: grid; gap: 20px; }
.sc-bullets__kicker { font-size: 50px; font-weight: 780; color: var(--sc-accent); letter-spacing: -.01em; }
.sc-bullets__list { display: grid; gap: 34px; }

.sc-bullet {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr);
  align-items: start;
  gap: 26px;
  transition: opacity 260ms var(--ease-out), transform 260ms var(--ease-out);
}
.sc-bullet[data-hidden="true"] { opacity: 0; transform: translateY(18px); }
.sc-bullet__no {
  display: grid;
  place-items: center;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  border: 5px solid var(--sc-line);
  font-size: 34px;
  font-weight: 800;
  color: var(--sc-ink-2);
  font-family: var(--font-mono);
}
.scene-canvas[data-theme="paper"] .sc-bullet__no { border-radius: 60% 40% 55% 45% / 45% 55% 45% 55%; }
.sc-bullet__text { font-size: 52px; font-weight: 600; line-height: 1.42; }

/* ---------- 数据图 ---------- */

.sc-chart { gap: 36px; align-content: center; }
.sc-chart__head { display: grid; gap: 14px; }
.sc-chart__unit { font-size: 28px; color: var(--sc-ink-2); font-family: var(--font-mono); }
.sc-chart__canvas { width: 100%; height: auto; display: block; }

/* ---------- 对比 ---------- */

.sc-compare { gap: 44px; align-content: center; }
.sc-compare__cols { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.sc-compare__col { display: grid; gap: 26px; align-content: start; padding: 36px 30px; border: 5px solid var(--sc-line); border-radius: 22px; }
.scene-canvas[data-theme="paper"] .sc-compare__col { border-radius: 220px 18px 200px 18px / 18px 200px 18px 220px; }
.sc-compare__label { font-size: 44px; font-weight: 800; letter-spacing: -.01em; }
.sc-compare__items { display: grid; gap: 20px; }
.sc-compare__item { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 18px; align-items: start; font-size: 38px; line-height: 1.4; color: var(--sc-ink); }
.sc-compare__bullet { width: 22px; height: 22px; margin-top: 16px; border-radius: 50%; background: var(--sc-ink-2); }
.sc-compare__verdict {
  justify-self: stretch;
  padding: 26px 34px;
  border-radius: 16px;
  background: var(--sc-accent);
  color: var(--sc-on-accent);
  font-size: 46px;
  font-weight: 780;
  text-align: center;
}
.scene-canvas[data-theme="paper"] .sc-compare__verdict { border-radius: 200px 16px 180px 16px / 16px 180px 16px 200px; }

/* ---------- 金句 ---------- */

.sc-quote { gap: 48px; align-content: center; }
.sc-quote__mark { font-size: 180px; font-weight: 800; line-height: .7; color: var(--sc-ink); opacity: .16; font-family: Georgia, serif; }
.sc-quote__body { font-size: 76px; font-weight: 750; line-height: 1.42; letter-spacing: -.015em; }
.sc-quote__hl { color: var(--sc-accent); }
.scene-canvas[data-theme="paper"] .sc-quote__hl {
  background-image: linear-gradient(transparent 62%, var(--sc-accent-soft) 62%);
}
.sc-quote__from { font-size: 32px; color: var(--sc-ink-2); }
.sc-quote__from::before { content: "—— "; }

/* ---------- 缩略图里的迷你画面（用主题色画极简封面） ---------- */

.thumb[data-theme="paper"] .thumb__fill { background: #f3efe4; }
.thumb[data-theme="paper"] .thumb__line { background: #241f18; opacity: .78; }
.thumb[data-theme="paper"] .thumb__line--accent { background: #c2452d; opacity: 1; }
.thumb[data-theme="ink"] .thumb__fill { background: #0f1b2d; }
.thumb[data-theme="ink"] .thumb__line { background: #f3f6fb; opacity: .72; }
.thumb[data-theme="ink"] .thumb__line--accent { background: #f2b134; opacity: 1; }