// VOC 报告 CSS 样式（海报级 · Linear/Stripe 风）
module.exports = `<style>
:root {
  --bg-0: #0A0A0A;
  --bg-1: #111111;
  --bg-2: #1A1A1A;
  --bg-3: #252525;
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.16);
  --text-1: #F5F5F5;
  --text-2: #A8A8A8;
  --text-3: #6B6B6B;
  --amber: #F5A623;
  --amber-glow: rgba(245,166,35,0.15);
  --green: #00DC82;
  --purple: #8B5CF6;
  --rose: #FF4D8D;
  --blue: #3B82F6;
  --red: #EF4444;
  --font-head: 'Inter','Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei','微软雅黑','Source Han Sans CN',system-ui,-apple-system,BlinkMacSystemFont,sans-serif;
  --font-body: 'Noto Sans SC','Inter','PingFang SC','Hiragino Sans GB','Microsoft YaHei','微软雅黑','Source Han Sans CN',system-ui,-apple-system,BlinkMacSystemFont,sans-serif;
  --font-mono: 'JetBrains Mono','SF Mono','Fira Code','Cascadia Code',Consolas,'Courier New',monospace;
  --max-w: 1280px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  font-size: 16px;
  /* 轻 snap：不打断流式浏览，但在接近 slide 时会贴合 */
  scroll-snap-type: y proximity;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-snap-type: none; scroll-behavior: auto; }
}
body {
  font-family: var(--font-body);
  background: var(--bg-0);
  color: var(--text-1);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}

/* 全局 ambient 光晕 —— 伴随 slide 切换缓慢漂移 */
body::before {
  content: '';
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(ellipse 900px 700px at var(--amb-x, 20%) var(--amb-y, 25%), rgba(245,166,35,0.10), transparent 60%),
    radial-gradient(ellipse 800px 600px at calc(100% - var(--amb-x, 20%)) calc(100% - var(--amb-y, 25%)), rgba(139,92,246,0.07), transparent 60%);
  transition: background 1.4s cubic-bezier(.2,.7,.2,1);
}
body::after {
  content: '';
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 90% 95% at 50% 50%, black 0%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 90% 95% at 50% 50%, black 0%, transparent 85%);
}
main.deck { position: relative; z-index: 1; }
::selection { background: var(--amber); color: #000; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.text-hero { font-family: var(--font-head); font-weight: 900; letter-spacing: -0.04em; line-height: 0.95; font-size: clamp(4rem, 12vw, 10rem); }
.text-poster { font-family: var(--font-head); font-weight: 800; letter-spacing: -0.03em; line-height: 1.05; font-size: clamp(2.5rem, 6vw, 5rem); }
.text-h1 { font-family: var(--font-head); font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; font-size: clamp(2rem, 4vw, 3.5rem); }
.text-h2 { font-family: var(--font-head); font-weight: 700; letter-spacing: -0.015em; line-height: 1.2; font-size: clamp(1.4rem, 2.5vw, 2rem); }
.text-h3 { font-weight: 600; font-size: clamp(1.05rem, 1.6vw, 1.3rem); letter-spacing: -0.01em; }
.text-body { font-size: clamp(0.92rem, 1.1vw, 1rem); line-height: 1.75; color: var(--text-2); }
.text-sm { font-size: 0.85rem; color: var(--text-2); }
.text-xs { font-size: 0.72rem; color: var(--text-3); letter-spacing: 0.02em; }
.text-mono { font-family: var(--font-mono); }
.text-amber { color: var(--amber); }
.text-green { color: var(--green); }
.text-purple { color: var(--purple); }
.text-rose { color: var(--rose); }
.text-blue { color: var(--blue); }
.text-red { color: var(--red); }

section.report-section {
  min-height: 100vh;
  padding: clamp(60px, 10vh, 120px) clamp(24px, 6vw, 80px);
  position: relative;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: center;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  overflow: hidden;
  isolation: isolate;
}
/* 每一张 slide 的角标：大号数字 */
section.report-section::before {
  content: attr(data-slide-num);
  position: absolute;
  top: clamp(20px, 3vh, 36px); right: clamp(24px, 4vw, 60px);
  font-family: var(--font-mono); font-weight: 600;
  font-size: clamp(0.68rem, 0.75vw, 0.78rem);
  letter-spacing: 0.25em; color: var(--text-3);
  z-index: 4; pointer-events: none;
}
/* slide 专属渐变层（通过 CSS 变量驱动色调） */
section.report-section::after {
  content: '';
  position: absolute; inset: 0; pointer-events: none; z-index: -1;
  background:
    radial-gradient(ellipse 70% 60% at 85% 15%, var(--slide-glow-1, rgba(245,166,35,0.06)), transparent 55%),
    radial-gradient(ellipse 60% 50% at 15% 85%, var(--slide-glow-2, rgba(139,92,246,0.04)), transparent 55%);
  opacity: 0; transition: opacity 1s cubic-bezier(.2,.7,.2,1);
}
section.report-section.in-view::after { opacity: 1; }
section.report-section[data-tone="amber"] { --slide-glow-1: rgba(245,166,35,0.10); --slide-glow-2: rgba(245,166,35,0.04); }
section.report-section[data-tone="rose"]  { --slide-glow-1: rgba(255,77,141,0.09);  --slide-glow-2: rgba(255,77,141,0.04); }
section.report-section[data-tone="green"] { --slide-glow-1: rgba(0,220,130,0.08);   --slide-glow-2: rgba(0,220,130,0.03); }
section.report-section[data-tone="purple"]{ --slide-glow-1: rgba(139,92,246,0.10);  --slide-glow-2: rgba(139,92,246,0.04); }
section.report-section[data-tone="blue"]  { --slide-glow-1: rgba(59,130,246,0.08);  --slide-glow-2: rgba(59,130,246,0.03); }
section.report-section[data-tone="orange"]{ --slide-glow-1: rgba(255,140,66,0.10);  --slide-glow-2: rgba(255,140,66,0.04); }
.section-inner { width: 100%; max-width: var(--max-w); margin: 0 auto; position: relative; }
.section-head { margin-bottom: clamp(32px, 5vh, 64px); }
.section-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--amber); font-weight: 500; margin-bottom: 18px;
}
.section-eyebrow::before { content: ''; display: inline-block; width: 24px; height: 1px; background: var(--amber); }
.section-sub { color: var(--text-2); font-size: 1.05rem; max-width: 720px; margin-top: 14px; line-height: 1.8; }

.grid { display: grid; gap: clamp(14px, 1.6vw, 22px); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.025) 0%, rgba(255,255,255,0.008) 100%), var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: clamp(20px, 2.2vw, 32px);
  position: relative;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform 0.4s cubic-bezier(.2,.7,.2,1), border-color 0.3s ease, box-shadow 0.4s ease;
}
.card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.35), 0 0 0 1px rgba(245,166,35,0.08);
}
.card.card-glow { box-shadow: 0 0 40px rgba(245,166,35,0.06); }
.card-accent {
  border-left: 3px solid var(--amber);
  border-top: 1px solid var(--border); border-right: 1px solid var(--border); border-bottom: 1px solid var(--border);
}

.metric {
  background: var(--bg-1); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: clamp(24px, 2.5vw, 36px); position: relative; overflow: hidden;
}
.metric::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--amber), transparent); opacity: 0.6;
}
.metric .metric-label { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--text-3); margin-bottom: 10px; }
.metric .metric-value { font-family: var(--font-head); font-weight: 800; font-size: clamp(2.2rem, 4vw, 3.5rem); letter-spacing: -0.03em; line-height: 1; color: var(--text-1); margin-bottom: 8px; }
.metric .metric-unit { font-family: var(--font-mono); font-size: 0.85rem; color: var(--amber); font-weight: 500; }
.metric .metric-sub { margin-top: 14px; font-size: 0.82rem; color: var(--text-2); line-height: 1.5; }

.tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 4px; font-size: 0.72rem; font-weight: 500;
  letter-spacing: 0.02em; font-family: var(--font-head);
  background: rgba(245,166,35,0.1); color: var(--amber); border: 1px solid rgba(245,166,35,0.22);
}
.tag.green { background: rgba(0,220,130,0.08); color: var(--green); border-color: rgba(0,220,130,0.2); }
.tag.purple { background: rgba(139,92,246,0.08); color: var(--purple); border-color: rgba(139,92,246,0.2); }
.tag.rose { background: rgba(255,77,141,0.08); color: var(--rose); border-color: rgba(255,77,141,0.2); }
.tag.gray { background: rgba(255,255,255,0.04); color: var(--text-2); border-color: var(--border); }

.cover-hero {
  position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center;
  padding: clamp(40px, 8vh, 100px) clamp(24px, 6vw, 80px);
  background:
    radial-gradient(ellipse 60% 80% at 30% 30%, rgba(245,166,35,0.08) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 80% 70%, rgba(139,92,246,0.05) 0%, transparent 70%),
    var(--bg-0);
}
.cover-grid-bg {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px; pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 90% at 50% 50%, black 0%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 90% at 50% 50%, black 0%, transparent 80%);
}
.cover-content { position: relative; z-index: 2; max-width: var(--max-w); }
.cover-meta {
  display: flex; align-items: center; gap: 16px;
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-3);
  letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: 32px;
}
.cover-meta::before { content: ''; width: 32px; height: 2px; background: var(--amber); }
.cover-title-stack { display: flex; flex-direction: column; gap: 4px; }
.cover-title {
  font-family: var(--font-head); font-weight: 900; letter-spacing: -0.04em;
  line-height: 0.92; font-size: clamp(3.5rem, 11vw, 9rem);
  color: #fff;                              /* 兜底纯色：若渐变裁剪失效，至少显示白色粗体 */
  background: linear-gradient(135deg, #fff 30%, rgba(245,166,35,0.9) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;     /* 代替 color: transparent，不支持时自动退回 color */
}
.cover-sub { font-size: clamp(1rem, 1.6vw, 1.4rem); color: var(--text-2); max-width: 780px; margin-top: 32px; line-height: 1.7; }
.cover-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(12px, 2vw, 28px);
  margin-top: clamp(48px, 8vh, 96px); padding-top: clamp(24px, 4vh, 48px);
  border-top: 1px solid var(--border); max-width: 900px;
}
.cover-stat .num { font-family: var(--font-head); font-weight: 800; font-size: clamp(1.6rem, 2.8vw, 2.4rem); letter-spacing: -0.02em; color: var(--amber); }
.cover-stat .lbl { font-size: 0.78rem; color: var(--text-3); margin-top: 4px; font-family: var(--font-mono); letter-spacing: 0.05em; text-transform: uppercase; }
@media (max-width: 720px) { .cover-stats { grid-template-columns: repeat(2, 1fr); } }

.nav-rail {
  position: fixed; left: clamp(16px, 2vw, 32px); top: 50%; transform: translateY(-50%);
  z-index: 100; display: flex; flex-direction: column; gap: 12px;
}
.nav-dot {
  width: 32px; height: 3px; border-radius: 2px;
  background: rgba(255,255,255,0.14); cursor: pointer;
  transition: all 0.5s cubic-bezier(.2,.7,.2,1); position: relative;
  display: flex; align-items: center;
}
.nav-dot.active { background: var(--amber); width: 48px; box-shadow: 0 0 12px rgba(245,166,35,0.4); }
.nav-dot:hover { background: rgba(255,255,255,0.3); }
.nav-dot::after {
  content: attr(data-tip); position: absolute; left: calc(100% + 16px); top: 50%;
  transform: translateY(-50%) translateX(-6px);
  background: rgba(20,20,20,0.92); backdrop-filter: blur(8px);
  border: 1px solid var(--border); padding: 6px 12px; border-radius: 6px;
  font-size: 0.72rem; color: var(--text-1);
  white-space: nowrap; opacity: 0; pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  font-family: var(--font-mono); letter-spacing: 0.04em;
}
.nav-dot:hover::after, .nav-dot.active::after { opacity: 1; transform: translateY(-50%) translateX(0); }

.top-bar {
  position: fixed; top: 0; left: 0; right: 0;
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px clamp(24px, 4vw, 48px); z-index: 99; pointer-events: none;
  background: linear-gradient(180deg, rgba(10,10,10,0.85) 0%, transparent 100%);
}
.brand-logo { font-family: var(--font-head); font-weight: 900; font-size: 0.88rem; letter-spacing: 0.2em; }
.brand-logo .dot { color: var(--amber); }

.progress-line {
  position: fixed; top: 0; left: 0; height: 2px;
  background: linear-gradient(90deg, var(--amber), var(--rose));
  z-index: 1000; width: 0%; transition: width 0.3s ease;
}

.chart-container {
  width: 100%; min-height: 340px;
  background: var(--bg-1); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 20px;
}

.voice-wall { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.voice-card {
  background: var(--bg-1); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 24px; position: relative; transition: all 0.3s ease;
}
.voice-card::before {
  content: '"'; position: absolute; top: 8px; left: 12px;
  font-family: Georgia, serif; font-size: 60px; color: var(--amber);
  opacity: 0.3; line-height: 1; pointer-events: none;
}
.voice-card .voice-content { font-size: 0.96rem; line-height: 1.7; color: var(--text-1); margin: 20px 0 16px 24px; font-weight: 400; }
.voice-card .voice-meta {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 12px; border-top: 1px solid var(--border);
  font-size: 0.75rem; color: var(--text-3);
}
.voice-card .voice-likes { color: var(--amber); font-weight: 600; font-family: var(--font-mono); }
.voice-card.hot { border-color: rgba(245,166,35,0.3); }
.voice-card.hot::before { opacity: 0.5; }
.voice-card:hover { border-color: var(--amber); transform: translateY(-3px); }

.note-card {
  background: var(--bg-1); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 20px; display: flex; flex-direction: column; gap: 12px;
  transition: all 0.3s ease;
}
.note-card:hover { border-color: var(--amber); transform: translateY(-3px); }
.note-rank { font-family: var(--font-mono); font-weight: 700; font-size: 0.75rem; color: var(--amber); letter-spacing: 0.15em; }
.note-title {
  font-size: 1rem; line-height: 1.45; font-weight: 600; color: var(--text-1);
  overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}
.note-stats {
  display: flex; gap: 16px; padding-top: 12px; border-top: 1px solid var(--border);
  font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-2);
}
.note-stats .st { display: flex; flex-direction: column; gap: 2px; }
.note-stats .st .n { color: var(--text-1); font-weight: 600; font-size: 1rem; }
.note-stats .st .l { font-size: 0.65rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.1em; }

.theme-poster {
  background: var(--bg-1); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 28px; position: relative; overflow: hidden;
}
.theme-poster.pain { border-top: 3px solid var(--rose); }
.theme-poster.bright { border-top: 3px solid var(--green); }
.theme-poster.scene { border-top: 3px solid var(--blue); }
.theme-poster h4 { font-family: var(--font-head); font-weight: 700; font-size: 1.3rem; margin-bottom: 8px; }
.theme-poster .count { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-3); margin-bottom: 16px; }
.theme-poster .count .num { font-size: 1.4rem; font-weight: 700; color: var(--text-1); margin-right: 4px; }
.theme-poster .examples { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.theme-poster .examples li {
  padding: 10px 14px; background: var(--bg-2); border-left: 2px solid var(--border-strong);
  border-radius: 4px; font-size: 0.85rem; line-height: 1.55; color: var(--text-2);
}
.theme-poster.pain .examples li { border-left-color: var(--rose); }
.theme-poster.bright .examples li { border-left-color: var(--green); }
.theme-poster.scene .examples li { border-left-color: var(--blue); }

.insight-banner {
  min-height: 260px; background: var(--bg-1); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: clamp(32px, 4vw, 56px); display: flex; flex-direction: column;
  justify-content: space-between; gap: 32px; position: relative; overflow: hidden;
}
.insight-banner::before {
  content: attr(data-num); position: absolute; top: 16px; right: 24px;
  font-family: var(--font-head); font-weight: 900; font-size: clamp(4rem, 9vw, 7rem);
  line-height: 1; color: var(--bg-3); letter-spacing: -0.05em; pointer-events: none;
}
.insight-banner h3 {
  font-family: var(--font-head); font-weight: 800;
  font-size: clamp(1.5rem, 2.8vw, 2.2rem); letter-spacing: -0.02em;
  line-height: 1.25; color: var(--text-1); max-width: 85%;
}
.insight-banner h3 strong { color: var(--amber); font-weight: 900; }
.insight-banner .insight-body { color: var(--text-2); font-size: 1rem; line-height: 1.75; max-width: 85%; }
.insight-banner .insight-data {
  display: flex; gap: 24px; margin-top: 16px; padding-top: 20px; border-top: 1px solid var(--border);
}
.insight-banner .insight-data .dp { display: flex; flex-direction: column; gap: 2px; }
.insight-banner .insight-data .dp .num { font-family: var(--font-mono); font-size: 1.3rem; font-weight: 700; color: var(--amber); }
.insight-banner .insight-data .dp .lbl { font-size: 0.72rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.1em; }

.kol-card { background: var(--bg-1); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 20px; display: flex; gap: 14px; align-items: flex-start; }
.kol-avatar { width: 56px; height: 56px; border-radius: 50%; background: var(--bg-3); flex-shrink: 0; object-fit: cover; border: 1px solid var(--border); }
.kol-info { flex: 1; overflow: hidden; }
.kol-name { font-weight: 700; font-size: 0.98rem; margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.kol-desc { font-size: 0.82rem; color: var(--text-3); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.kol-stats { display: flex; gap: 14px; margin-top: 10px; font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-2); }
.kol-stats .amber { color: var(--amber); font-weight: 600; }

.table-wrap { overflow-x: auto; border-radius: var(--radius-md); border: 1px solid var(--border); }
.data-tbl { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.data-tbl thead th {
  text-align: left; padding: 14px 16px; background: var(--bg-1); border-bottom: 1px solid var(--border);
  font-family: var(--font-mono); font-weight: 500; font-size: 0.72rem;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-3);
}
.data-tbl tbody td { padding: 14px 16px; border-bottom: 1px solid var(--border); color: var(--text-1); vertical-align: middle; }
.data-tbl tbody tr:last-child td { border-bottom: none; }
.data-tbl tbody tr:hover { background: rgba(255,255,255,0.02); }
.data-tbl .tb-num { font-family: var(--font-mono); font-weight: 600; color: var(--amber); }

.matrix-2x2 {
  display: grid; grid-template-columns: 60px 1fr 1fr; grid-template-rows: 1fr 1fr 60px;
  gap: 12px; min-height: 520px; font-family: var(--font-head);
}
.matrix-2x2 .axis-y {
  grid-column: 1; grid-row: 1 / 3;
  display: flex; align-items: center; justify-content: center;
  writing-mode: vertical-rl; transform: rotate(180deg);
  font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.15em; color: var(--text-3); text-transform: uppercase;
}
.matrix-2x2 .axis-x {
  grid-column: 2 / 4; grid-row: 3;
  display: flex; justify-content: center; align-items: center;
  font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.15em; color: var(--text-3); text-transform: uppercase;
}
.matrix-cell {
  background: var(--bg-1); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 20px; position: relative; display: flex; flex-direction: column;
}
.matrix-cell .cell-label { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.12em; color: var(--text-3); margin-bottom: 10px; text-transform: uppercase; }
.matrix-cell h5 { font-weight: 700; font-size: 1rem; margin-bottom: 6px; color: var(--text-1); }
.matrix-cell p { font-size: 0.85rem; color: var(--text-2); line-height: 1.55; }
.matrix-cell.q1 { border-top: 2px solid var(--amber); }
.matrix-cell.q2 { border-top: 2px solid var(--green); }
.matrix-cell.q3 { border-top: 2px solid var(--rose); }
.matrix-cell.q4 { border-top: 2px solid var(--purple); }

.tl { position: relative; padding-left: 32px; }
.tl::before {
  content: ''; position: absolute; left: 8px; top: 10px; bottom: 10px;
  width: 1px; background: linear-gradient(180deg, var(--amber), var(--purple), transparent);
}
.tl-item { position: relative; margin-bottom: 28px; padding-left: 20px; }
.tl-item::before {
  content: ''; position: absolute; left: -30px; top: 6px;
  width: 10px; height: 10px; border-radius: 50%; background: var(--amber);
  border: 2px solid var(--bg-0); box-shadow: 0 0 0 2px var(--amber);
}
.tl-item .tl-time { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; color: var(--amber); text-transform: uppercase; margin-bottom: 4px; }
.tl-item h5 { font-weight: 700; font-size: 1rem; margin-bottom: 6px; }
.tl-item p { font-size: 0.88rem; color: var(--text-2); line-height: 1.6; }

/* === 渐显：默认可见，只有 js 已就绪时才先隐藏 === */
.fade-up { opacity: 1; transform: none; transition: opacity 0.9s cubic-bezier(.16,.84,.33,1), transform 0.9s cubic-bezier(.16,.84,.33,1); }
html.js .fade-up { opacity: 0; transform: translateY(32px); will-change: opacity, transform; }
html.js .fade-up.is-visible { opacity: 1; transform: translateY(0); }

/* 深度入场：从下方滑入 + 微缩放（用于 section-head） */
.rise-in { opacity: 1; transform: none; transition: opacity 1.1s cubic-bezier(.16,.84,.33,1), transform 1.1s cubic-bezier(.16,.84,.33,1); }
html.js .rise-in { opacity: 0; transform: translateY(48px) scale(0.97); will-change: opacity, transform; }
html.js .rise-in.is-visible { opacity: 1; transform: translateY(0) scale(1); }

/* 逐字标题：每个 .char 独立控制 */
.headline-anim { display: inline-block; }
.headline-anim .char { display: inline-block; opacity: 1; transform: none; transition: opacity 0.7s cubic-bezier(.16,.84,.33,1), transform 0.7s cubic-bezier(.16,.84,.33,1); }
html.js .headline-anim .char { opacity: 0; transform: translateY(0.6em) rotate(6deg); will-change: opacity, transform; }
html.js .headline-anim.is-visible .char { opacity: 1; transform: translateY(0) rotate(0); }

/* 键盘提示 pill —— 右下角，首次滚动 5s 后自动淡出 */
.kbd-hint {
  position: fixed; right: clamp(16px, 2vw, 28px); bottom: clamp(16px, 2vh, 28px);
  z-index: 100; display: flex; align-items: center; gap: 10px;
  padding: 10px 16px; border-radius: 999px;
  background: rgba(20,20,20,0.85); backdrop-filter: blur(16px);
  border: 1px solid var(--border-strong);
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-2);
  letter-spacing: 0.04em;
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.kbd-hint.fade { opacity: 0; transform: translateY(12px); pointer-events: none; }
.kbd-hint kbd {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 22px; height: 22px; padding: 0 6px;
  background: var(--bg-3); border: 1px solid var(--border-strong);
  border-radius: 4px; font-size: 0.7rem; font-family: var(--font-mono);
  color: var(--text-1); box-shadow: 0 1px 0 rgba(0,0,0,0.4);
}

/* slide counter pill —— 左下角 */
.slide-counter {
  position: fixed; left: clamp(16px, 2vw, 28px); bottom: clamp(16px, 2vh, 28px);
  z-index: 100; display: flex; align-items: center; gap: 8px;
  padding: 8px 14px; border-radius: 999px;
  background: rgba(20,20,20,0.85); backdrop-filter: blur(16px);
  border: 1px solid var(--border-strong);
  font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.1em;
  color: var(--text-2);
}
.slide-counter .now { color: var(--amber); font-weight: 700; }
.slide-counter .bar { width: 60px; height: 2px; background: rgba(255,255,255,0.1); border-radius: 2px; overflow: hidden; }
.slide-counter .bar::after {
  content: ''; display: block; height: 100%; width: var(--pct, 0%);
  background: linear-gradient(90deg, var(--amber), var(--rose));
  transition: width 0.6s cubic-bezier(.2,.7,.2,1);
}

/* 海报式 hero 点缀：流动的光弧 */
.cover-hero .aurora {
  position: absolute; inset: 0; pointer-events: none; overflow: hidden; z-index: 1;
}
.cover-hero .aurora span {
  position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.5;
}
.cover-hero .aurora span:nth-child(1) { width: 500px; height: 500px; background: rgba(245,166,35,0.35); top: -10%; left: 10%; animation: aurora-drift-1 18s ease-in-out infinite alternate; }
.cover-hero .aurora span:nth-child(2) { width: 420px; height: 420px; background: rgba(139,92,246,0.30); bottom: -8%; right: 10%; animation: aurora-drift-2 22s ease-in-out infinite alternate; }
.cover-hero .aurora span:nth-child(3) { width: 300px; height: 300px; background: rgba(0,220,130,0.22); top: 40%; left: 55%; animation: aurora-drift-3 26s ease-in-out infinite alternate; }
@keyframes aurora-drift-1 { from { transform: translate(0,0) scale(1); } to { transform: translate(60px,80px) scale(1.2); } }
@keyframes aurora-drift-2 { from { transform: translate(0,0) scale(1); } to { transform: translate(-80px,-60px) scale(1.15); } }
@keyframes aurora-drift-3 { from { transform: translate(0,0) scale(1); } to { transform: translate(-100px,40px) scale(1.3); } }
@media (prefers-reduced-motion: reduce) { .cover-hero .aurora span { animation: none; } }

footer.report-footer {
  padding: 48px clamp(24px, 6vw, 80px); text-align: center;
  border-top: 1px solid var(--border); color: var(--text-3); font-size: 0.8rem;
  background: var(--bg-0);
}
footer.report-footer .meta { font-family: var(--font-mono); letter-spacing: 0.12em; text-transform: uppercase; margin-top: 8px; font-size: 0.7rem; }

@media (max-width: 900px) {
  .matrix-2x2 { grid-template-columns: 40px 1fr; grid-template-rows: auto; }
  .matrix-2x2 .axis-x, .matrix-2x2 .axis-y { display: none; }
  .matrix-cell { grid-column: 2; }
}
@media (max-width: 600px) {
  .nav-rail { display: none; }
  .top-bar { padding: 14px 18px; font-size: 0.72rem; }
}
</style>`;