/* ============================================================
   哔哩哔哩风格 S&OP 演示 · Skill 全流程验证
   设计令牌：style-contract.json（verified：#00AEEC 蓝主 / #FF6699 粉次 /
   6px 控件圆角 / 发丝线 #E3E5E7 / 三层视频卡）
   尺度：presentation 变体（1920 基准：标题≥64px，正文≥28px）
   ============================================================ */

:root {
  /* verified tokens */
  --blue: #00aeec;
  --pink: #ff6699;
  --ink: #18191c;
  --ink2: #61666d;
  --sub: #9499a0;
  --canvas: #f1f2f3;
  --soft: #f6f7f8;
  --surface: #ffffff;
  --line: #e3e5e7;

  /* derived（演示尺度衍生，登记于契约 presentation 变体） */
  --blue-deep: #0087c3;
  --blue-tint: #e6f7fd;
  --pink-tint: #ffeef4;
  --shadow-card: 0 8px 24px rgba(24, 25, 28, 0.08);
  --shadow-pop: 0 16px 40px rgba(0, 135, 195, 0.22);

  --r-ctrl: 6px;
  --r-card: 12px;
  --r-media: 8px;

  /* 演示舞台字号 */
  --t-display: clamp(52px, 4.5vw, 86px);
  --t-title: clamp(40px, 3.35vw, 64px);
  --t-sub: clamp(26px, 1.8vw, 34px);
  --t-body-lg: clamp(24px, 1.6vw, 31px);
  --t-body: clamp(22px, 1.45vw, 28px);
  --t-note: clamp(18px, 1.15vw, 22px);
  --t-meta: clamp(15px, 0.95vw, 18px);

  --pad-x: clamp(48px, 4.6vw, 88px);
  --pad-y: clamp(36px, 4.2vh, 56px);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--canvas);
  color: var(--ink);
  font-family: -apple-system, system-ui, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

.deck { position: fixed; inset: 0; overflow: hidden; }

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 300ms ease;
  background: var(--canvas);
  overflow: hidden;
}

.slide.is-active { opacity: 1; visibility: visible; }

@media (prefers-reduced-motion: reduce) {
  .slide, .notes-panel { transition: none !important; }
}

.slide-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  padding: clamp(88px, 10vh, 112px) var(--pad-x) clamp(60px, 6.8vh, 76px);
}

.slide-cover .slide-content { padding-top: var(--pad-y); }
body[data-current="p1"] .brand-pill { display: none; }

/* ---------- 全局角标与控制 ---------- */

.brand-pill {
  position: fixed;
  top: clamp(20px, 2.6vh, 32px);
  left: clamp(24px, 2vw, 40px);
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  font-size: clamp(17px, 1.15vw, 22px);
  letter-spacing: 0.04em;
  padding: 0.45em 0.9em;
  border-radius: 8px;
  box-shadow: 0 4px 14px rgba(0, 174, 236, 0.3);
}

.brand-tail { font-size: var(--t-meta); color: var(--sub); font-weight: 600; }

.deck-controls {
  position: fixed;
  left: clamp(24px, 2vw, 40px);
  bottom: clamp(20px, 3vh, 32px);
  z-index: 40;
  display: flex;
  gap: 10px;
}

.deck-controls button {
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: var(--r-ctrl);
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink2);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.deck-controls button:hover { color: var(--blue); border-color: var(--blue); }
.deck-controls button:disabled { opacity: 0.35; cursor: default; }
.deck-controls svg { width: 20px; height: 20px; }

.slide-counter {
  position: fixed;
  right: clamp(24px, 2vw, 40px);
  bottom: clamp(24px, 3.2vh, 36px);
  z-index: 40;
  font-size: clamp(16px, 1.1vw, 20px);
  font-weight: 600;
  color: var(--sub);
  letter-spacing: 0.12em;
  font-variant-numeric: tabular-nums;
}

/* ---------- 讲稿面板 ---------- */

.notes-panel {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: min(520px, 44vw);
  background: #fff;
  border-left: 1px solid var(--line);
  box-shadow: -18px 0 48px rgba(24, 25, 28, 0.14);
  transform: translateX(105%);
  transition: transform 260ms ease;
  z-index: 60;
  display: flex;
  flex-direction: column;
  padding: 40px 44px;
}

.notes-panel.is-open { transform: translateX(0); }
.notes-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.notes-title { font-size: 20px; font-weight: 700; }
.notes-title em { font-style: normal; color: var(--blue); }
.notes-close {
  border: 1px solid var(--line);
  background: var(--blue-tint);
  color: var(--blue);
  width: 40px; height: 40px;
  border-radius: var(--r-ctrl);
  font-size: 18px;
  cursor: pointer;
}
.notes-copy { overflow: auto; font-size: 19px; line-height: 1.85; color: var(--ink2); white-space: pre-wrap; }

/* ---------- 页头（频道 tab 母题：图标 + 蓝色下划指示条） ---------- */

.slide-heading { margin-bottom: clamp(18px, 2.6vh, 30px); }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--blue);
  font-size: var(--t-meta);
  font-weight: 700;
  padding: 0.3em 0.2em 0.55em;
  border-bottom: 4px solid var(--blue);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.kicker svg { width: 1.2em; height: 1.2em; }

.slide-heading h2 {
  margin: 0;
  font-size: var(--t-title);
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: 0.01em;
}

/* ---------- 蓝色结论横幅 ---------- */

.verdict-band {
  margin-top: auto;
  background: var(--blue);
  color: #fff;
  border-radius: var(--r-card);
  padding: clamp(16px, 2.2vh, 24px) clamp(24px, 2vw, 40px);
  font-size: var(--t-body-lg);
  font-weight: 700;
  line-height: 1.5;
  box-shadow: var(--shadow-pop);
  display: flex;
  align-items: center;
  gap: 18px;
}

.verdict-band svg { flex: 0 0 auto; width: 1.35em; height: 1.35em; }

/* ---------- 徽章 chip（视频卡徽章母题，直角不旋转） ---------- */

.badge {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: clamp(17px, 1.2vw, 23px);
  padding: 0.45em 1em;
  border-radius: 8px;
  box-shadow: var(--shadow-card);
  letter-spacing: 0.06em;
  z-index: 5;
}

.badge svg { width: 1.05em; height: 1.05em; }
.badge-blue { background: var(--blue); color: #fff; }
.badge-pink { background: var(--pink); color: #fff; }

/* ============================================================
   P1 封面 · 视频卡片墙 + 深色幕布 + 中央主张 + 一键三连
   ============================================================ */

.slide-cover { background: #10161a; }

.cover-wall {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 10px;
  padding: 10px;
}

.cover-wall .vtile {
  position: relative;
  margin: 0;
  border-radius: var(--r-media);
  overflow: hidden;
  background: linear-gradient(160deg, #17323f, #0d1d26);
}

.cover-wall img { width: 100%; height: 100%; object-fit: cover; display: block; }

.cover-wall .dur {
  position: absolute;
  right: 10px;
  bottom: 10px;
  background: rgba(0, 0, 0, 0.62);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 2px 9px;
  border-radius: 4px;
  letter-spacing: 0.06em;
  font-variant-numeric: tabular-nums;
}

.cover-scrim {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 64% at 50% 46%, rgba(8, 14, 18, 0.66) 0%, rgba(8, 14, 18, 0.5) 55%, rgba(8, 14, 18, 0.32) 100%),
    linear-gradient(180deg, rgba(8, 14, 18, 0.55) 0%, rgba(8, 14, 18, 0.2) 34%, rgba(8, 14, 18, 0.24) 62%, rgba(8, 14, 18, 0.7) 100%);
}

.danmaku {
  position: absolute;
  color: rgba(255, 255, 255, 0.5);
  font-size: clamp(16px, 1.15vw, 22px);
  font-weight: 600;
  letter-spacing: 0.1em;
  z-index: 3;
  white-space: nowrap;
}

.cover-center {
  position: relative;
  z-index: 3;
  margin: auto;
  text-align: center;
  color: #fff;
  max-width: 84vw;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cover-kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: clamp(20px, 3.4vh, 36px);
}

.cover-kicker .brand-logo { font-size: clamp(20px, 1.5vw, 28px); }

.cover-kicker .tail {
  font-size: clamp(18px, 1.25vw, 24px);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.92);
  letter-spacing: 0.06em;
}

.slide-cover h1 {
  margin: 0;
  font-size: var(--t-display);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-wrap: balance;
}

.stroke-word { position: relative; white-space: nowrap; }

.stroke-word svg {
  position: absolute;
  left: 2%;
  bottom: -0.18em;
  width: 96%;
  height: 0.34em;
  overflow: visible;
}

.stroke-word svg path {
  fill: none;
  stroke: var(--pink);
  stroke-width: 10;
  stroke-linecap: round;
}

.cover-lead {
  margin: clamp(22px, 3.4vh, 38px) 0 0;
  font-size: var(--t-sub);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.94);
  letter-spacing: 0.04em;
}

.cover-pills {
  display: flex;
  gap: clamp(14px, 1.2vw, 22px);
  margin-top: clamp(24px, 3.8vh, 42px);
}

.cover-pills .pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  color: var(--ink);
  font-size: var(--t-body);
  font-weight: 700;
  padding: 0.6em 1.3em;
  border-radius: var(--r-ctrl);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.34);
}

.cover-pills .pill svg { width: 1.15em; height: 1.15em; color: var(--blue); }

.cover-foot {
  position: absolute;
  left: 0; right: 0;
  bottom: clamp(18px, 2.6vh, 28px);
  text-align: center;
  z-index: 3;
  font-size: var(--t-meta);
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.08em;
}

/* ============================================================
   P2 · 三张投稿卡（三层视频卡母题：封面→标题→UP行）
   ============================================================ */

.video-feed {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 1.8vw, 34px);
  align-items: stretch;
  flex: 1;
  min-height: 0;
  padding-top: 6px;
}

.video-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.video-cover {
  position: relative;
  aspect-ratio: 16 / 9.6;
  overflow: hidden;
  background: linear-gradient(150deg, var(--blue-tint), var(--soft));
}

.video-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }

.video-cover .dur {
  position: absolute;
  right: 12px;
  bottom: 12px;
  background: rgba(0, 0, 0, 0.62);
  color: #fff;
  font-size: clamp(14px, 0.95vw, 18px);
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 4px;
  font-variant-numeric: tabular-nums;
}

.video-cover .role-tag {
  position: absolute;
  left: 12px;
  top: 12px;
  background: var(--blue);
  color: #fff;
  font-size: clamp(16px, 1.1vw, 21px);
  font-weight: 800;
  padding: 0.32em 0.85em;
  border-radius: 6px;
  letter-spacing: 0.08em;
}

.video-body {
  padding: clamp(16px, 1.5vw, 24px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.video-title {
  margin: 0;
  font-size: var(--t-body-lg);
  line-height: 1.42;
  font-weight: 700;
}

.video-meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--sub);
  font-size: var(--t-meta);
  font-weight: 600;
}

.up-chip {
  flex: 0 0 auto;
  border: 2px solid var(--pink);
  color: var(--pink);
  font-weight: 800;
  font-size: 0.82em;
  padding: 0.06em 0.4em;
  border-radius: 5px;
  letter-spacing: 0.04em;
}

.video-meta .stats {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.video-meta .stats span { display: inline-flex; align-items: center; gap: 5px; }
.video-meta .stats svg { width: 1.15em; height: 1.15em; }

.conflict-strip {
  margin-top: clamp(18px, 2.4vh, 28px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 8px solid var(--pink);
  border-radius: 10px;
  padding: clamp(14px, 1.8vh, 20px) clamp(20px, 1.8vw, 32px);
  font-size: var(--t-body);
  line-height: 1.55;
  font-weight: 600;
}

.conflict-strip em { font-style: normal; color: var(--pink); font-weight: 800; }

/* ============================================================
   P3 · 干货 / 高能预警 边界对比
   ============================================================ */

.boundary-grid {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 2vw, 40px);
  align-items: stretch;
}

.boundary-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
  padding: clamp(24px, 2.4vh, 36px) clamp(24px, 2vw, 38px);
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 1.6vh, 20px);
}

.boundary-card.is-yes { border-top: 8px solid var(--blue); }
.boundary-card.is-no { border-top: 8px solid var(--pink); background: #fdfcfd; }

.boundary-head {
  font-size: var(--t-sub);
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 12px;
}

.boundary-head .mark {
  width: 1.5em;
  height: 1.5em;
  border-radius: var(--r-ctrl);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex: 0 0 auto;
}

.is-yes .boundary-head .mark { background: var(--blue); }
.is-no .boundary-head .mark { background: var(--pink); }
.boundary-head .mark svg { width: 0.85em; height: 0.85em; }

.boundary-intro {
  margin: 0;
  font-size: var(--t-body);
  line-height: 1.58;
  color: var(--ink2);
  font-weight: 500;
}

.boundary-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }

.boundary-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: clamp(10px, 1.4vh, 16px) 2px;
  font-size: var(--t-body);
  line-height: 1.5;
  font-weight: 600;
}

.boundary-list li + li { border-top: 1.5px solid var(--soft); }

.boundary-list .dot {
  flex: 0 0 auto;
  margin-top: 0.32em;
  width: 0.95em;
  height: 0.95em;
  border-radius: var(--r-ctrl);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.is-yes .boundary-list .dot { background: var(--blue-tint); color: var(--blue); }
.is-no .boundary-list .dot { background: var(--pink-tint); color: var(--pink); }
.boundary-list .dot svg { width: 0.62em; height: 0.62em; }

.boundary-sub { font-size: var(--t-note); font-weight: 700; color: var(--sub); letter-spacing: 0.05em; margin: 0; }

/* ============================================================
   P4 · 选集 P1–P4 + 自动连播回流
   ============================================================ */

.arch-stage { flex: 1; min-height: 0; display: flex; flex-direction: column; gap: clamp(16px, 2vh, 26px); }

.ep-head {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: var(--t-note);
  font-weight: 700;
  color: var(--ink2);
}

.ep-head svg { width: 1.1em; height: 1.1em; color: var(--blue); }

.arch-steps {
  display: grid;
  grid-template-columns: 1fr 36px 1fr 36px 1fr 36px 1fr;
  align-items: stretch;
  gap: 6px;
  flex: 1;
  min-height: 0;
}

.arch-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
  padding: clamp(20px, 2.6vh, 34px) clamp(20px, 1.6vw, 30px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(12px, 1.8vh, 22px);
  overflow: hidden;
}

.arch-card .ghost-num {
  position: absolute;
  right: 8px;
  bottom: -0.18em;
  font-size: clamp(96px, 7.6vw, 150px);
  font-weight: 800;
  line-height: 1;
  color: var(--blue-tint);
  z-index: 0;
  pointer-events: none;
  letter-spacing: -0.04em;
}

.arch-card > :not(.ghost-num) { position: relative; z-index: 1; }

.ep-chip {
  align-self: flex-start;
  background: var(--blue);
  color: #fff;
  font-weight: 800;
  font-size: clamp(17px, 1.2vw, 23px);
  padding: 0.3em 0.8em;
  border-radius: var(--r-ctrl);
  letter-spacing: 0.06em;
}

.arch-card h3 { margin: 2px 0 0; font-size: clamp(24px, 1.75vw, 34px); font-weight: 800; }

.arch-card p { margin: 0; font-size: var(--t-body); line-height: 1.58; color: var(--ink2); font-weight: 500; }

.arch-arrow { align-self: center; color: var(--blue); opacity: 0.55; display: flex; align-items: center; justify-content: center; }
.arch-arrow svg { width: 34px; height: 34px; }

.arch-loop {
  position: relative;
  height: clamp(48px, 6.2vh, 64px);
  margin: 0 clamp(30px, 3vw, 60px);
}

.arch-loop .loop-line {
  position: absolute;
  inset: 0;
  border: 3.5px dashed #8fd8f5;
  border-top: none;
  border-radius: 0 0 22px 22px;
}

.arch-loop .loop-line::before {
  content: "";
  position: absolute;
  left: -12px;
  top: -14px;
  border: 10px solid transparent;
  border-bottom: 16px solid var(--blue);
}

.arch-loop .loop-label {
  position: absolute;
  left: 50%;
  bottom: -0.72em;
  transform: translateX(-50%);
  background: var(--canvas);
  padding: 0 22px;
  color: var(--blue);
  font-size: var(--t-note);
  font-weight: 800;
  white-space: nowrap;
}

/* ============================================================
   P5 · 更新节奏循环（月度周期 + 周度异常）+ 播放器画面
   ============================================================ */

.slide-cycle .slide-content { flex-direction: row; gap: clamp(24px, 2.4vw, 48px); }

.cycle-left { flex: 0 0 30%; display: flex; flex-direction: column; min-width: 0; }
.cycle-left .slide-heading h2 { font-size: clamp(36px, 2.9vw, 56px); }

.player-frame {
  margin: auto 0;
  align-self: stretch;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.player-frame .pf-media { aspect-ratio: 4 / 3; overflow: hidden; background: var(--blue-tint); }
.player-frame .pf-media img { width: 100%; height: 100%; object-fit: cover; display: block; }

.player-frame .pf-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px 12px;
}

.player-frame .pf-bar svg { width: 20px; height: 20px; color: var(--ink2); flex: 0 0 auto; }

.player-frame .pf-track {
  flex: 1;
  height: 6px;
  border-radius: 999px;
  background: var(--line);
  position: relative;
}

.player-frame .pf-track::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 42%;
  border-radius: 999px;
  background: var(--pink);
}

.player-frame .pf-track::after {
  content: "";
  position: absolute;
  left: calc(42% - 7px);
  top: 50%;
  width: 14px; height: 14px;
  border-radius: 999px;
  background: var(--pink);
  transform: translateY(-50%);
  box-shadow: 0 2px 6px rgba(255, 102, 153, 0.5);
}

.cycle-rhythm {
  margin-top: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
  padding: clamp(18px, 2.2vh, 28px) clamp(20px, 1.6vw, 30px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cycle-rhythm .chip {
  align-self: flex-start;
  background: var(--blue);
  color: #fff;
  font-size: var(--t-meta);
  font-weight: 800;
  padding: 0.35em 0.95em;
  border-radius: var(--r-ctrl);
  letter-spacing: 0.1em;
}

.cycle-rhythm p { margin: 0; font-size: var(--t-body); line-height: 1.6; font-weight: 600; }
.cycle-rhythm p em.b { font-style: normal; color: var(--blue); font-weight: 800; }
.cycle-rhythm p em.p { font-style: normal; color: var(--pink); font-weight: 800; }

.cycle-stage { position: relative; flex: 1; min-width: 0; }

.cycle-ring {
  --ring-size: min(66vh, 34vw);
  --r: calc(var(--ring-size) / 2);
  position: absolute;
  top: 50%;
  left: 50%;
  width: var(--ring-size);
  height: var(--ring-size);
  transform: translate(-50%, -50%);
}

.cycle-ring .ring-svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }

.ring-svg circle {
  fill: none;
  stroke: #8fd8f5;
  stroke-width: 3.5;
  stroke-dasharray: 0.5 12;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
}

.cycle-chev {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0; height: 0;
  transform: rotate(var(--a, 0deg)) translate(var(--r));
}

.cycle-chev svg {
  position: absolute;
  width: clamp(26px, 2vw, 38px);
  height: clamp(26px, 2vw, 38px);
  color: var(--blue);
  transform: translate(-50%, -50%) rotate(90deg);
}

.cycle-node {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(var(--a, 0deg)) translate(var(--r)) rotate(calc(-1 * var(--a, 0deg)));
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow-card);
  padding: clamp(12px, 1.5vh, 18px) clamp(16px, 1.25vw, 24px);
  display: flex;
  align-items: center;
  gap: 12px;
  white-space: nowrap;
  z-index: 4;
}

.cycle-node .n {
  width: clamp(34px, 2.3vw, 44px);
  height: clamp(34px, 2.3vw, 44px);
  border-radius: var(--r-ctrl);
  background: var(--blue);
  color: #fff;
  font-weight: 800;
  font-size: clamp(18px, 1.2vw, 24px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.cycle-node .t { font-size: clamp(20px, 1.4vw, 27px); font-weight: 700; }

.cycle-node.is-exec { background: var(--ink); border-color: var(--ink); }
.cycle-node.is-exec .t { color: #fff; }
.cycle-node.is-exec .n { background: #fff; color: var(--ink); }

.cycle-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.cycle-center .big { font-size: clamp(30px, 2.3vw, 44px); font-weight: 800; color: var(--blue); }
.cycle-center .small { font-size: var(--t-note); font-weight: 600; color: var(--ink2); }

.cycle-weekly {
  position: absolute;
  right: max(1.5vw, 12px);
  top: 2vh;
  background: var(--pink-tint);
  border: 3px dashed var(--pink);
  border-radius: var(--r-card);
  padding: clamp(14px, 1.8vh, 20px) clamp(16px, 1.3vw, 26px);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 5;
  max-width: 22vw;
}

.cycle-weekly svg { width: clamp(26px, 1.9vw, 36px); height: clamp(26px, 1.9vw, 36px); color: var(--pink); flex: 0 0 auto; }
.cycle-weekly .w-title { font-size: clamp(19px, 1.3vw, 25px); font-weight: 800; color: var(--pink); }
.cycle-weekly .w-sub { font-size: var(--t-meta); font-weight: 600; color: var(--ink2); }

/* ============================================================
   P6 · 置顶评论 + 升级测评 + 效果标签
   ============================================================ */

.keep-card {
  background: var(--blue);
  color: #fff;
  border-radius: var(--r-card);
  box-shadow: var(--shadow-pop);
  padding: clamp(16px, 2vh, 24px) clamp(22px, 1.9vw, 36px);
  display: flex;
  align-items: center;
  gap: clamp(16px, 1.4vw, 26px);
}

.keep-card .pin {
  flex: 0 0 auto;
  background: #fff;
  color: var(--blue);
  font-weight: 800;
  font-size: var(--t-meta);
  padding: 0.4em 1em;
  border-radius: var(--r-ctrl);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  letter-spacing: 0.08em;
}

.keep-card .pin svg { width: 1.05em; height: 1.05em; }
.keep-card p { margin: 0; font-size: var(--t-body-lg); font-weight: 700; line-height: 1.5; }

.upgrade-grid {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 1fr 1fr 0.82fr;
  gap: clamp(18px, 1.6vw, 30px);
  margin-top: clamp(16px, 2vh, 24px);
}

.tech-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
  padding: clamp(18px, 2.2vh, 28px) clamp(20px, 1.6vw, 30px);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.tech-card h3 {
  margin: 0 0 4px;
  font-size: clamp(23px, 1.6vw, 31px);
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 10px;
}

.tech-card h3 .t-chip {
  font-size: 0.62em;
  background: var(--blue-tint);
  color: var(--blue);
  border-radius: var(--r-ctrl);
  padding: 0.28em 0.85em;
  letter-spacing: 0.08em;
}

.tech-card ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; flex: 1; justify-content: space-evenly; }

.tech-card li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--t-note);
  font-weight: 600;
  color: var(--ink2);
  line-height: 1.45;
}

.tech-card li::before {
  content: "";
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--blue);
}

.effect-card {
  background: var(--blue-tint);
  border-radius: var(--r-card);
  padding: clamp(18px, 2.2vh, 28px) clamp(18px, 1.5vw, 28px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.effect-card h3 {
  margin: 0;
  font-size: clamp(21px, 1.5vw, 29px);
  font-weight: 800;
  color: var(--blue-deep);
  display: flex;
  align-items: center;
  gap: 10px;
}

.effect-card h3 svg { width: 1em; height: 1em; }

.effect-tags { display: flex; flex-wrap: wrap; gap: 10px; align-content: flex-start; }

.effect-tags span {
  background: #fff;
  color: var(--blue-deep);
  font-size: var(--t-note);
  font-weight: 700;
  padding: 0.5em 1em;
  border-radius: var(--r-ctrl);
  border: 1px solid #c9ecfa;
}

/* ============================================================
   P7 · 自查清单 + 金句收束 + 一键三连
   ============================================================ */

.check-grid {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 1.16fr 0.84fr;
  gap: clamp(24px, 2vw, 40px);
}

.check-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
  padding: clamp(20px, 2.6vh, 34px) clamp(24px, 2vw, 38px);
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
}

.check-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: clamp(8px, 1.2vh, 14px) 0;
  font-size: var(--t-body);
  font-weight: 600;
  line-height: 1.5;
}

.check-row + .check-row { border-top: 1.5px solid var(--soft); }

.check-row .qicon {
  flex: 0 0 auto;
  margin-top: 0.02em;
  width: 1.7em;
  height: 1.7em;
  border-radius: var(--r-ctrl);
  background: var(--blue-tint);
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.check-row .qicon svg { width: 1.02em; height: 1.02em; }

.check-side { display: flex; flex-direction: column; gap: clamp(18px, 2.2vh, 28px); min-height: 0; }

.gap-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
  padding: clamp(16px, 2vh, 26px) clamp(20px, 1.6vw, 30px);
}

.gap-card h3 { margin: 0 0 12px; font-size: clamp(20px, 1.4vw, 27px); font-weight: 800; }

.gap-tags { display: flex; flex-wrap: wrap; gap: 10px; }

.gap-tags span {
  background: var(--blue-tint);
  color: var(--blue-deep);
  font-size: var(--t-note);
  font-weight: 700;
  padding: 0.45em 1em;
  border-radius: var(--r-ctrl);
}

.quote-card {
  position: relative;
  flex: 1;
  background: linear-gradient(160deg, var(--blue) 0%, var(--blue-deep) 100%);
  color: #fff;
  border-radius: var(--r-card);
  box-shadow: var(--shadow-pop);
  padding: clamp(22px, 3vh, 38px) clamp(24px, 2vw, 38px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  overflow: hidden;
}

.quote-card .qmark {
  position: absolute;
  top: -0.12em;
  right: 0.12em;
  font-size: clamp(120px, 9vw, 180px);
  font-weight: 800;
  color: rgba(255, 255, 255, 0.14);
  line-height: 1;
  font-family: Georgia, serif;
}

.quote-card p {
  margin: 0;
  font-size: clamp(24px, 1.75vw, 34px);
  font-weight: 700;
  line-height: 1.6;
  position: relative;
  z-index: 2;
  padding-right: clamp(96px, 7vw, 142px);
}

.quote-card p mark {
  background: rgba(255, 255, 255, 0.26);
  color: #fff;
  border-radius: 5px;
  padding: 0 0.18em;
}

.quote-card .quote-meta {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.88);
  font-size: var(--t-meta);
  font-weight: 600;
}

.quote-card .quote-meta svg { width: 1.3em; height: 1.3em; }

.quote-mascot {
  position: absolute;
  right: clamp(16px, 1.3vw, 26px);
  bottom: clamp(14px, 1.8vh, 24px);
  width: clamp(132px, 9.6vw, 186px);
  aspect-ratio: 1;
  margin: 0;
  border-radius: 999px;
  border: 6px solid rgba(255, 255, 255, 0.95);
  overflow: hidden;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.24);
  transform: rotate(6deg);
  z-index: 3;
  background: var(--blue-tint);
}

.quote-mascot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.3);
  transform-origin: 50% 44%;
}

/* ============================================================
   V2 · 品牌原生构图（构图来源：B 站真实页面结构）
   ============================================================ */

/* ---------- P1 播放页（构图来源：视频观看页） ---------- */

.slide-watch { background: var(--canvas); }

.slide-watch .slide-content {
  padding: clamp(30px, 3.6vh, 44px) clamp(120px, 11vw, 220px) clamp(18px, 2.2vh, 26px);
  gap: clamp(12px, 1.6vh, 20px);
}

.watch-head h1 {
  margin: 0;
  font-size: clamp(38px, 2.9vw, 56px);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.watch-meta {
  margin: 10px 0 0;
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--sub);
  font-size: var(--t-meta);
  font-weight: 600;
}

.watch-meta .brand-logo { font-size: clamp(15px, 1vw, 19px); }
.watch-meta svg { width: 1.15em; height: 1.15em; }
.watch-meta .m { display: inline-flex; align-items: center; gap: 5px; }

.watch-meta .follow {
  margin-left: auto;
  background: var(--pink);
  color: #fff;
  font-weight: 700;
  font-size: var(--t-meta);
  padding: 0.4em 1.2em;
  border-radius: var(--r-ctrl);
  box-shadow: 0 4px 14px rgba(255, 102, 153, 0.32);
}

.watch-player {
  position: relative;
  flex: 1;
  min-height: 0;
  border-radius: var(--r-media);
  overflow: hidden;
  background: #0d1d26;
}

.watch-player > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.88;
}

.watch-player .wp-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 14, 18, 0.46) 0%, rgba(8, 14, 18, 0.08) 38%, rgba(8, 14, 18, 0.55) 100%);
}

.watch-player .danmaku {
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
  color: rgba(255, 255, 255, 0.86);
  will-change: transform;
}

.danmaku.d1 { top: 9%; animation: dm-drift 34s linear infinite; }
.danmaku.d2 { top: 21%; animation: dm-drift 42s linear infinite; animation-delay: -14s; }
.danmaku.d3 { top: 33%; animation: dm-drift 38s linear infinite; animation-delay: -27s; }

@keyframes dm-drift {
  from { transform: translateX(78vw); }
  to { transform: translateX(-40vw); }
}

@media (prefers-reduced-motion: reduce) {
  .danmaku.d1, .danmaku.d2, .danmaku.d3 { animation: none; }
  .danmaku.d1 { left: 10%; }
  .danmaku.d2 { right: 14%; }
  .danmaku.d3 { left: 38%; }
}

.watch-player .wp-bar {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 18px 14px;
  color: #fff;
  z-index: 4;
}

.wp-bar svg { width: 22px; height: 22px; flex: 0 0 auto; }

.wp-bar .wp-track {
  flex: 1;
  height: 5px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.32);
  position: relative;
}

.wp-bar .wp-track::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 6.25%;
  border-radius: 999px;
  background: var(--pink);
}

.wp-bar .wp-track::after {
  content: "";
  position: absolute;
  left: calc(6.25% - 6px);
  top: 50%;
  width: 12px; height: 12px;
  border-radius: 999px;
  background: var(--pink);
  transform: translateY(-50%);
}

.wp-bar .wp-time {
  font-size: clamp(14px, 0.95vw, 18px);
  font-weight: 600;
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
  color: rgba(255, 255, 255, 0.92);
}

.watch-actions {
  display: flex;
  align-items: center;
  gap: clamp(26px, 2.6vw, 48px);
  padding: 2px 4px;
}

.watch-actions .wa {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: var(--t-body);
  font-weight: 700;
  color: var(--ink);
}

.watch-actions .wa svg { width: 1.5em; height: 1.5em; color: var(--blue); }

.watch-desc {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: var(--r-ctrl);
  padding: clamp(12px, 1.6vh, 18px) clamp(16px, 1.4vw, 26px);
  font-size: var(--t-body);
  font-weight: 600;
  color: var(--ink2);
}

.watch-desc .desc-chip {
  flex: 0 0 auto;
  background: var(--blue-tint);
  color: var(--blue-deep);
  font-size: var(--t-meta);
  font-weight: 800;
  padding: 0.3em 0.9em;
  border-radius: var(--r-ctrl);
  letter-spacing: 0.1em;
}

.slide-watch .cover-foot {
  position: static;
  color: var(--sub);
  text-align: center;
}

/* ---------- P4 选集队列（构图来源：播放页选集栏 + 自动连播） ---------- */

.ep-panel {
  position: relative;
  flex: 1;
  min-height: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
  padding: clamp(16px, 2vh, 24px) clamp(88px, 6.5vw, 120px) clamp(16px, 2vh, 24px) clamp(20px, 1.8vw, 32px);
  display: flex;
  flex-direction: column;
}

.ep-panel-head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: clamp(10px, 1.4vh, 16px);
  border-bottom: 1.5px solid var(--soft);
}

.ep-panel-head .ep-title {
  font-size: var(--t-note);
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.ep-panel-head .ep-title svg { width: 1.15em; height: 1.15em; color: var(--blue); }

.ep-panel-head .autoplay {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: var(--t-meta);
  font-weight: 700;
  color: var(--ink2);
}

.ep-panel-head .switch {
  width: 2.6em;
  height: 1.4em;
  border-radius: 999px;
  background: var(--pink);
  position: relative;
  display: inline-block;
}

.ep-panel-head .switch::after {
  content: "";
  position: absolute;
  right: 2px; top: 2px; bottom: 2px;
  aspect-ratio: 1;
  border-radius: 999px;
  background: #fff;
}

.ep-rows { flex: 1; min-height: 0; display: flex; flex-direction: column; justify-content: space-evenly; }

.ep-row {
  display: flex;
  align-items: center;
  gap: clamp(16px, 1.4vw, 24px);
  padding: clamp(10px, 1.5vh, 18px) clamp(14px, 1.2vw, 22px);
  border-radius: 10px;
  border: 1.5px solid transparent;
}

.ep-row.is-active {
  background: var(--blue-tint);
  border-color: #b7e7f9;
}

.ep-row .ep-chip { align-self: center; flex: 0 0 auto; }

.ep-row h3 {
  margin: 0;
  font-size: clamp(24px, 1.7vw, 33px);
  font-weight: 800;
  flex: 0 0 clamp(180px, 13vw, 250px);
}

.ep-row p {
  margin: 0;
  font-size: var(--t-body);
  line-height: 1.5;
  color: var(--ink2);
  font-weight: 500;
}

.ep-row .playing {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: flex-end;
  gap: 3px;
  height: 1.1em;
  margin-left: 6px;
}

.ep-row .playing i {
  width: 4px;
  border-radius: 2px;
  background: var(--blue);
  display: inline-block;
}

.ep-row .playing i:nth-child(1) { height: 55%; }
.ep-row .playing i:nth-child(2) { height: 100%; }
.ep-row .playing i:nth-child(3) { height: 72%; }

.ep-connector {
  align-self: flex-start;
  margin-left: clamp(30px, 2.4vw, 44px);
  color: var(--blue);
  opacity: 0.55;
  height: 0;
  position: relative;
}

.ep-connector svg {
  position: absolute;
  top: -14px;
  width: 26px;
  height: 26px;
}

.ep-return {
  position: absolute;
  right: clamp(28px, 2.2vw, 42px);
  top: clamp(86px, 11vh, 120px);
  bottom: clamp(74px, 9.5vh, 104px);
  width: clamp(30px, 2.4vw, 44px);
  border: 3.5px dashed #8fd8f5;
  border-left: none;
  border-radius: 0 14px 14px 0;
}

.ep-return::before {
  content: "";
  position: absolute;
  left: -14px;
  top: -13px;
  border: 9px solid transparent;
  border-right: 15px solid var(--blue);
}

.ep-return-label {
  position: absolute;
  right: clamp(80px, 6.5vw, 118px);
  bottom: clamp(20px, 2.6vh, 30px);
  color: var(--blue);
  font-size: var(--t-meta);
  font-weight: 800;
}

/* ---------- P6 评论区（构图来源：视频页评论区） ---------- */

.cmt-panel {
  flex: 1;
  min-height: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
  padding: clamp(14px, 1.8vh, 22px) clamp(22px, 2vw, 36px);
  display: flex;
  flex-direction: column;
}

.cmt-head {
  display: flex;
  align-items: center;
  gap: 18px;
  padding-bottom: clamp(8px, 1.2vh, 14px);
  border-bottom: 1.5px solid var(--soft);
  font-size: var(--t-note);
  font-weight: 800;
}

.cmt-head .cnt { color: var(--sub); font-weight: 600; }

.cmt-head .sort {
  margin-left: auto;
  display: inline-flex;
  gap: 18px;
  font-size: var(--t-meta);
  font-weight: 700;
  color: var(--sub);
}

.cmt-head .sort .on {
  color: var(--blue);
  padding-bottom: 4px;
  border-bottom: 3px solid var(--blue);
}

.cmt-list { flex: 1; min-height: 0; display: flex; flex-direction: column; justify-content: space-evenly; }

.cmt {
  display: flex;
  align-items: flex-start;
  gap: clamp(14px, 1.2vw, 20px);
  padding: clamp(10px, 1.5vh, 16px) clamp(12px, 1vw, 18px);
  border-radius: 10px;
}

.cmt + .cmt { border-top: 1.5px solid var(--soft); border-radius: 0 0 10px 10px; }

.cmt.is-pinned {
  background: var(--blue-tint);
  border: 1.5px solid #b7e7f9;
}

.cmt .ava {
  flex: 0 0 auto;
  width: clamp(44px, 3vw, 58px);
  height: clamp(44px, 3vw, 58px);
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: clamp(18px, 1.25vw, 24px);
}

.ava.a-up { background: var(--blue); }
.ava.a-pc { background: var(--ink); }
.ava.a-ai { background: var(--blue-deep); }
.ava.a-fx { background: var(--pink); }

.cmt .cmt-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 8px; }

.cmt .who {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--t-meta);
  font-weight: 700;
  color: var(--ink2);
}

.cmt .who .up-chip { font-size: 0.82em; }

.cmt .who .tag {
  background: var(--blue);
  color: #fff;
  font-size: 0.82em;
  font-weight: 800;
  padding: 0.16em 0.7em;
  border-radius: 4px;
  letter-spacing: 0.06em;
}

.cmt .who .tag.soft { background: var(--blue-tint); color: var(--blue-deep); }

.cmt .txt {
  margin: 0;
  font-size: var(--t-body);
  line-height: 1.5;
  font-weight: 600;
  color: var(--ink);
}

.cmt.is-pinned .txt { font-size: var(--t-body-lg); font-weight: 700; }

.cmt .fx-tags { display: flex; flex-wrap: wrap; gap: 8px; }

.cmt .fx-tags span {
  background: var(--pink-tint);
  color: var(--pink);
  font-size: var(--t-note);
  font-weight: 700;
  padding: 0.32em 0.85em;
  border-radius: var(--r-ctrl);
}

.cmt .likes {
  flex: 0 0 auto;
  align-self: center;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--sub);
  font-size: var(--t-meta);
  font-weight: 600;
}

.cmt .likes svg { width: 1.15em; height: 1.15em; }

/* ---------- 窄窗兜底 ---------- */

@media (max-width: 1024px) {
  .slide-content { overflow-y: auto; }
  .video-feed, .boundary-grid, .upgrade-grid, .check-grid { grid-template-columns: 1fr; }
  .arch-steps { grid-template-columns: 1fr; }
  .arch-arrow { transform: rotate(90deg); }
  .slide-cycle .slide-content { flex-direction: column; }
  .cycle-stage { min-height: 120vh; }
  .cover-wall { grid-template-columns: repeat(2, 1fr); grid-template-rows: repeat(4, 1fr); }
}